1 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
5 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
6 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
7 traditional, lang_chill, or lang_fortran.
9 * cppfiles.c: #undef strcmp to suppress warning about macros
10 used without arguments.
11 (_cpp_execute_include): Use f, not fname, in "No include path"
13 (_cpp_pop_file_buffer): New function.
14 * cpplib.c: Don't include <sys/mman.h>.
15 (cpp_push_buffer): Set line_base and lineno in new buffer.
16 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
18 * cpplex.c: Move all prototypes and structure declarations to the
19 top of the file. Properly parenthesise some macro arguments.
20 (cpp_scan_line): New function.
21 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
22 don't need to walk up the stack counting.
24 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
26 * c-common.c (combine_strings): Emit a pedantic warning when a
27 string length is greater than the minimum ANSI C is required
30 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
32 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
33 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
35 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
37 * c-decl.c (define_label): Warn about identifier conflicts with
38 labels in traditional C.
40 * c-parse.in (unop +): Warn about the unary plus operator for
43 * c-typeck.c (store_init_value): Warn about automatic aggregate
44 initialization for traditional C.
46 * invoke.texi (-Wtraditional): Document new warnings.
48 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
50 * Makefile.in (c-errors.o): Fix thinko in dependency.
52 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
54 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
55 -traditional, -ftraditional, or -traditional-cpp was given.
56 Do not pass -traditional to the preprocessor.
57 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
58 preprocessor does it automatically.
59 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
61 * ch/lang-specs.h: Always use tradcpp. Do not pass
62 -traditional, -trigraphs, or -pedantic to the preprocessor.
63 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
66 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
68 * cppexp.c (LOGICAL): Delete macro.
69 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
72 * cpphash.c (HASHSIZE): Increase to 4096.
73 (struct hashdummy): Add hash field.
74 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
75 the string values using memcmp.
76 (cpp_lookup): Set dummy.hash.
78 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
80 * configure.in (m88k-openbsd): Express configuration using new fragment
83 * m88k/aout-dbx.h: New.
84 * m88k/openbsd.h: New.
85 * m88k/xm-openbsd.h: New.
87 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
89 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
91 2000-07-12 Richard Henderson <rth@cygnus.com>
93 * reload.c (push_secondary_reload): Make sure to add the new
94 reload at the end, after acquiring secondary memory.
96 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
98 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
100 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
101 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
103 * c-parse.in (stmt): Delete unused variables.
105 * convert.c (convert_to_vector): Likewise.
107 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
109 * tree.c (finish_vector_type): Prototype.
111 2000-07-12 Bruce Korb <bkorb@gnu.org>
113 * fixinc/fixfixes.c: use xmalloc
114 * fixinc/fixincl.c(initialize): set program name for xmalloc
115 * fixinc/fixlib.c(must_malloc): obsolete
116 (is_cxx_header): no longer used - disabled
117 (skip_quote): inserted and disabled for future use
118 * fixinc/fixlib.h: reflects above
119 * fixinc/fixtests.c: removed dinkleberries
121 2000-07-12 Neil Booth <NeilB@earthling.net>
123 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
124 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
126 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
127 struct toklist_dummy): New.
128 (cpp_free_definition): Free macros with free_macro.
129 (count_params): Don't save paramter spellings. Save macro
130 information in a struct macro_info.
131 (parse_define): Don't allocate a token list.
132 (save_expansion): Allocate the macro's token list, and
133 save parameter spellings if necessary. Use TOKEN_SPELL.
134 (cpp_create_definition): Make list const.
136 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
138 * c-typeck.c (pedwarn_c99): Move to
139 * c-errors.c: ... Here.
140 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
141 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
142 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
143 (c-errors.o): List dependency.
145 2000-07-12 Mark Mitchell <mark@codesourcery.com>
148 * c-parse.h: Likewise.
149 * c-parse.y: Likewise.
150 * objc/objc-parse.c: Likewise.
151 * objc/objc-pasre.y: Likewise.
153 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
155 * gcc.texi: Fix minor typos
156 * extend.texi: Fix minor typos
158 2000-07-11 Marc Espie <espie@openbsd.org>
160 * collect2.c (main): Recognize .lo as object files.
162 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
164 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
167 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
168 with MAP_ANONYMOUS and MAP_ANON.
169 * configure, config.in: Rebuilt.
171 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
173 * diagnostic.c (save_output_state): Remove.
174 (restore_output_state): Likewise.
175 (clear_text_info): New function.
176 (clear_diagnostic_info): Likewise.
177 (output_text_length, is_starting_newline, output_prefix,
178 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
179 prefixing_policy, output_buffer_ptr_to_format_args): New macros
180 (set_real_maximum_length, output_set_maximum_length,
181 output_set_prefix, output_get_prefix, output_set_maximum_length,
182 output_destroy_prefix, init_output_buffer,
183 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
184 output_add_newline, output_add_character, output_add_space,
185 output_append_r, output_append, wrap_text, output_format,
186 output_do_printf, output_printf, output_do_verbatim,
187 output_verbatim, verbatim): Use them.
188 (output_clear): Split into cleat_text_info and
189 clear_diagnostic_info.
190 (struct output_state): Move to...
192 * diagnostic.h: ...Here
193 (struct output_buffer): Adjust.
195 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
197 * cpplex.c (parse_name): No longer inline (premature optimization).
198 (do_pop_context): Fold into pop_context.
199 (pop_context): Returns int.
200 (lex_next): Hoist test for end of directive into pop_context.
201 (push_macro_context): Returns int; takes just reader and token.
202 Hoist test for excessive nesting to caller.
203 (push_arg_context): Returns void; takes just reader and token.
204 Do not call stringify_arg or get_raw_token.
205 (get_raw_token): Convert tail recursion through push_arg_context
206 to a loop at this level. Call stringify_arg here if appropriate.
207 (maybe_paste_with_next): Convert tail recursion to a while loop.
208 Hoist test of paste_level to caller.
210 (stringify_arg): Push arg context at beginning.
211 (cpp_get_token): Split out core into _cpp_get_token. Call
212 process_directive here. Throw away CPP_PLACEMARKER tokens.
213 (_cpp_get_token): Convert tail recursion through
214 push_macro_context to a loop at this level.
215 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
216 _cpp_get_raw_token): Use _cpp_get_token.
217 (_cpp_skip_rest_of_line): Drop the context stack directly; do
218 not call pop_context.
219 (_cpp_run_directive): Call lex_next directly.
221 * cpphash.h: Prototype _cpp_get_token.
222 * cppexp.c (lex): Use it.
223 * cpphash.c (parse_define): Use it.
224 * cpplib.c (get_define_node, do_undef, parse_include,
225 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
226 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
227 parse_ifdef, validate_else): Use it.
228 (cpp_push_buffer): Tweak error message; abort if anyone tries
229 to push a buffer while macro expansions are stacked.
231 2000-07-11 Donn Terry <donnte@microsoft.com>
233 * cpplex.c (free_macro_args, save_token): Cast arg of free
234 and/or xrealloc to PTR.
235 (_cpp_init_input_buffer): Clear all fields of the base context.
237 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
239 * gensupport.c (process_rtx): Make rtl checking stop
240 complaining about the define_insn while it is being
241 converted from a define_insn_and_split.
243 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
245 * config/mips/mips.c (simple_memory_operand): Access the
246 INTVAL of the address, not it's containing MEM.
248 2000-07-11 Bruce Korb <bkorb@gnu.org>
250 * fixinc/fixtests.c(double_slash): obsolete
251 (else_endif_label): likewise
252 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
253 (libc1_ifdefd_memx): correct initial comment
254 and omit the #if/#endif pair from the memxxx declarations
255 * fixinc/fixincl.x: regen
257 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
261 2000-07-11 Neil Booth <NeilB@earthling.net>
265 2000-07-11 Neil Booth <NeilB@earthling.net>
267 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
268 (handle_option): Set digraphs according to standard.
269 Merge OPT_lang_c89 handler with OPT_std_c89.
271 * cpplex.c: (lex_line, can_paste): Honour digraphs in
272 accordance with the digraphs flag.
274 * cpplib.h: (struct cpp_options): New option digraphs.
276 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
277 Bruce Korb <bkorb@gnu.org>
279 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
280 * fixinc/fixincl.x: Regenerate.
281 * fixinc/tests/base/testing.h: Add testcase.
283 2000-07-10 Richard Henderson <rth@cygnus.com>
285 * config/ia64/ia64.c (got_symbolic_operand): New.
286 (symbolic_operand, move_operand): Revert 0701 change.
287 * config/ia64/ia64.h (PREDICATE_CODES): Update.
288 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
289 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
290 split the offset into a 14-bit low part instead of a 13-bit low part.
291 (load_fptr): Mark the mem as unchanging.
292 (load_symptr): Use got_symbolic_operand.
294 2000-07-10 Nick Clifton <nickc@cygnus.com>
296 * libgcc2.c (next_stack_level): Cast result of computation to
297 (void **) so that the assignment does not generate a warning.
299 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
301 * flags.h : Add new variable flag_single_precision_constant.
302 * toplev.c (display_help) : Add -fsingle-precision-constant option.
303 (flag_single_precision_constant): New.
304 * c-lex.c (yylex): Convert floating point constant to single
306 * invoke.texi : Add documentation for this new option.
308 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
310 * diagnostic.c (output_octal): Second parameter is unsigned.
311 (output_long_octal): Likewise.
312 (output_hexadecimal): Likewise.
313 (output_long_hexadecimal): Likewise.
314 (output_format): Adjust arguments extraction. Tweak.
315 (output_verbatim, verbatim): End variable argument list.
316 (report_diagnostic): Improve documentation.
318 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
320 * c-common.h (build_stmt): Declare.
321 (build_continue_stmt): Likewise.
322 (build_break_stmt): Likewise.
323 (build_return_stmt): Likewise.
325 * c-decl.c (do_case): Rewrite to do what previously done in
328 * c-semantics.c (build_stmt): Define.
329 (build_return_stmt): Likewise.
330 (build_break_stmt): Likewise.
331 (build_continue_stmt): Likewise.
332 (build_case_label): Likewise.
334 * c-parse.in (BREAK): Change to build tree, then generate RTL.
335 (CONTINUE): Likewise.
340 * c-parse.y: Regenerate.
341 * c-pasre.c: Likewise.
343 2000-07-09 Jason Merrill <jason@redhat.com>
345 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
347 * tree.h (STRIP_NOPS): Check for error_mark_node.
348 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
349 (dwarf2out_*): Remove duplicate declarations.
351 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
352 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
354 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
356 * diagnostic.c (wrap_text): New function.
357 (maybe_wrap_text): Likewise.
358 (output_add_string): Use it.
359 (output_format): Likewise.
360 (count_error): Use verbatim instead of notice.
361 (report_error_function): Likewise. Don't use plain fprintf.
362 (finish_diagnostic): New function.
363 (output_do_verbatim): Tweak. Commonalize functionalities in
364 output_verbatim and verbatim.
365 (output_verbatim): Adjust.
366 (verbatim): Likewise.
367 (report_diagnostic): Define.
369 * diagnostic.h (report_diagnostic): Prototype.
371 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
373 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
375 2000-07-09 Neil Booth <NeilB@earthling.net>
377 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
378 IShspace, ISspace: Update.
380 * cppinit.c: ISTABLE: Update.
383 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
384 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
385 (skip_block_comment, skip_line_comment, parse_string,
386 lex_line): Use is_vspace rather than IS_NEWLINE.
387 (skip_whitespace, lex_line): Clean up to use is_nvspace.
388 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
390 (lex_next): Unconditionally stop if within a directive.
391 Treat directives within macro invocations as directives
392 (after parse_args emits error), not as the argument.
394 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
396 * diagnostic.c (diagnostic_args): New macro.
397 (diagnostic_msg): Likewise.
398 (output_formatted_integer): Likewise.
399 (output_state): New data type.
400 (digit_buffer): Make global.
401 (output_add_integer): Rename to output_decimal. Squeeze
403 (output_long_decimal, output_unsigned_decimal,
404 output_long_unsigned_decimal, output_octal, output_long_octal,
405 output_hexadecimal, output_long_hexadecimal): New functions.
406 (output_append_r): New function.
407 (output_append): Tweak.
408 (output_flush_on): Rename to output_to_stream.
409 (output_format): Change prototype. Improve documentation. Handle
410 more format specifiers.
411 (build_location_prefix): Rename to context_as_prefix.
412 (output_notice): Rename to output_do_printf.
413 (output_printf): Tweak.
414 (line_wrapper_printf): Likewise.
415 (vline_wrapper_message_with_location): Adjust call to renamed
417 (v_message_with_decl): Likewise.
418 (default_print_error_function): Likewise.
419 (save_output_state): New function.
420 (restore_output_state): Likewise.
421 (output_do_verbatim): Likewise.
422 (output_verbatim): Define.
423 (verbatim): Likewise.
425 * diagnostic.h (printer_fn): Change return type from void to int.
426 Improve documentation.
427 (output_add_integer): Rename to output_decimal.
428 (output_flush_on, output_format): Don't export.
429 (output_verbatim, verbatim): Declare.
431 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
433 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
434 Check whether c divides op1 exactly if operation is not
437 2000-07-08 Richard Henderson <rth@cygnus.com>
439 * final.c (final): Do not abort when reg-stack introduces
442 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
444 * cpplib.h (struct cpp_name): Now struct cpp_string.
445 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
446 CPP_HEADER_NAME): Change to type S.
447 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
448 field, a cpp_hashnode *. All references to val.name updated
449 to use val.str or val.node as appropriate.
450 (struct cpp_reader): Add spec_nodes field.
451 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
453 * cpphash.h (struct spec_nodes): New.
454 (enum spell_type): Reorder. Only SPELL_STRING tokens use
455 val.str. All references to 'spelling > SPELL_NONE' updated to
458 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
459 pfile->buffer->inc are not NULL before dereferencing them.
461 * cpplex.c (parse_name): Take a pointer to the current token,
462 plus current position and limit as args; return the new
463 position; don't copy the text of a name into the string
464 buffer, instead call cpp_lookup and store the node pointer.
465 If extending a token, copy out the text of the old into a
466 scratch buffer, append the new, look that up and store the new
467 node pointer. Inline.
468 (maybe_paste_with_next): If the result of paste is a NAME,
469 then look up the pasted text and store its node pointer.
470 (lex_line): Adjust for new parse_name interface.
471 Check for L"str", L'str' using spec_nodes->n_L.
472 (spell_token): SPELL_IDENT tokens have their spelling in
473 val.node->name. Handle SPELL_STRING tokens that don't have
475 (_cpp_expand_name_space,
476 (can_paste): Check for L ## "str" using spec_nodes->n_L.
477 (cpp_get_token, special_symbol): No need to call cpp_lookup.
478 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
479 return 1=equal 0=not, not a tristate.
481 * cpphash.c (var_args_str): Delete.
482 (find_param): Compare node fields directly.
483 (is__va_args__): Use CPP_PEDANTIC. Just compare
484 token->val.node with spec_nodes->n__VA_ARGS__.
485 (dump_funlike_macro): Don't use var_args_str.
487 * cpplib.c (_cpp_check_directive): Just walk through
488 spec_nodes->dirs comparing pointers.
489 (get_define_node, do_pragma_poison, detect_if_not_defined,
490 parse_ifdef): The identifier has already been looked up.
491 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
493 (do_if): Only call detect_if_not_defined at beginning of file.
494 (_cpp_parse_assertion): Only copy string pointers for
496 (pragma_dispatch): Take a node pointer and examine its name
498 (_cpp_init_stacks): Also initialize the spec_nodes structure.
500 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
502 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
503 reverse order from the corresponding _cpp_init_* routines.
505 * cppexp.c (parse_number, parse_charconst, parse_defined,
506 lex): Check val.node->type instead of calling cpp_defined.
507 Use spec_nodes entries where appropriate.
509 * fix-header.c, scan-decls.c: Update for interface changes.
511 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
513 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
514 emitting aux_truncdfsf2.
516 2000-07-03 Donn Terry (donnte@microsoft.com)
518 * cppinit.c (print_help): split overlong line into ISO C89
521 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
523 * cppexp.c: Update all code for new lexer interface.
524 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
525 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
526 * cpplex.c (token_names): Trim leading CPP_ from names; make
527 the strings unsigned.
528 (_cpp_spell_operator): New.
529 (is_macro_disabled): Disable all macros if rescanning
531 (_cpp_get_directive_token): Remove.
533 * cppinit.c: Don't set no_macro_expand.
534 * cpplib.c (read_line_number, do_line): Check only for EOF,
536 * cpphash.h: Update prototypes.
537 * cpplib.h (CPP_VSPACE): Remove.
538 (struct cpp_reader): Remove no_macro_expand.
540 2000-07-08 Neil Booth <NeilB@earthling.net>
542 * cpphash.c (is__va_args__): New function.
543 (count_params): Fix line reported in error messages. Use
544 is__va_args__. Don't return ')' on error. Flag GNU style
545 rest args macro definitions.
546 (parse_define): Check macro name is not __VA_ARGS__.
547 (save_expansion): Check identifier in non-varargs-macro is
548 not __VA_ARGS__. Don't flag GNU_VARARGS.
549 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
550 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
551 than per-token GNU_VARARGS.
552 * cpplib.h (GNU_VARARGS): Remove.
553 (GNU_REST_ARGS): New.
555 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
557 * i386.md (call_pop, call, call_value_pop): Do not set
558 current_function_uses_pic_offset_table for calls to static
559 functions or indirect calls.
561 2000-07-07 Jim Wilson <wilson@cygnus.com>
563 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
564 is_predicate_reg, then take max write_count of register pair.
566 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
568 * tradcpp.c (main): Rename label `include' to `add_include' to
569 avoid conflicts with variable `include' in traditional C.
571 2000-07-07 Jakub Jelinek <jakub@redhat.com>
573 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
575 2000-07-07 Jakub Jelinek <jakub@redhat.com>
577 * sibcall.c (uses_addressof): Add INMEM argument, check for
578 current_function_internal_arg_pointer outside of MEM rtxs in addition
580 (sequence_uses_addressof): Update caller.
582 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
584 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
587 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
589 * system.h (UNION_INIT_ZERO): New macro for initializing union
592 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
594 2000-07-07 Neil Booth <NeilB@earthling.net>
598 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
600 * final.c (final): Detect out of bounds array access to
601 the insn_lengths array.
603 2000-07-07 Kazu Hirata <kazu@hxi.com>
605 * fold-const.c (fold): Fix a comment typo.
607 2000-07-07 Neil Booth <NeilB@earthling.net>
609 * cpp.texi: Update to new lexer.
611 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
613 * tradcpp.c: New file.
614 * tradcif.y: New file.
615 * tradcif.c: New generated file.
617 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
618 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
619 dependencies of C. Install tradcpp from install-common, in
622 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
624 * cppinit.c: Include cppdefault.h. Refer to
625 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
626 to GCC_INCLUDE_DIR and its length.
627 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
628 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
629 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
631 (include_defaults_array): Move to cppdefault.c.
633 * cppdefault.h: New file.
634 * cppdefault.c: New file.
636 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
637 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
638 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
641 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
643 * reload.c (push_reload): When seeing if can reuse a register,
644 check extra registers against widest of INMODE and OUTMODE.
646 2000-07-06 Neil Booth <NeilB@earthling.net>
648 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
649 based on full length of predicate.
651 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
653 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
654 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
656 2000-07-05 Kazu Hirata <kazu@hxi.com>
658 * h8300-proto.h: Fix formatting.
662 2000-07-05 Jim Wilson <wilson@cygnus.com>
664 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
667 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
669 * invoke.texi: Fix minor typos
670 * md.texi: Fix minor typos
672 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
674 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
676 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
678 * cpplex.c: Don't include sys/mman.h.
679 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
681 * cpplib.c: Include sys/mman.h and obstack.h.
682 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
684 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
685 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
686 bother freeing if stack entries (they will be freed with their buffer).
687 (do_endif): Free if stack entries from the buffer obstack.
688 (push_conditional): Allocate if stack entries from the buffer obstack.
690 (find_answer): Rename to _cpp_find_answer.
691 (do_assert, do_unassert): Update.
693 * cpphash.h: Update prototypes.
694 (xobnew): New convenience macro.
695 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
697 (struct cpp_hashnode): Remove disabled field.
699 * cppinit.c: Don't include hashtab.h or splay-tree.h.
700 (report_missing_guard): Moved to cppfiles.c.
701 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
703 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
704 cpp_cleanup_includes. Don't destroy hashtab or
705 all_include_files here.
706 (cpp_finish): Use _cpp_report_missing_guards.
708 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
709 (_cpp_init_include_table): Rename _cpp_init_includes.
710 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
712 * cppexp.c (parse_assertion): Update for new name of
715 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
717 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
719 * cpplib.c (do_ident): s/VSPACE/EOF/
721 2000-07-05 Neil Booth <NeilB@earthling.net>
723 * cpplex.c: Fix trigraph replacement within strings.
725 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
727 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
729 * xcoffout.c (assign_type_number): Constify.
730 (xcoffout_source_file): Add static prototype. Don't needlessly
731 cast away const-ness.
733 2000-07-04 Jason Merrill <jason@redhat.com>
735 * frame.h (frame_state): Move base_offset to end.
737 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
739 * calls.c (emit_library_call_value_1): Revert previous change.
741 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
743 * fix-header.c (struct partial_proto): Remove unnecessary fields.
744 (recognized_extern, recognized_function, read_scan_file):
745 Update for new scheme.
746 (check_protection): It's still a multiple include guard even
747 if it doesn't always trigger.
748 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
750 * scan.h: Declare struct cpp_token. Update prototypes.
752 2000-07-03 Neil Booth <neilb@earthling.net>
753 Zack Weinberg <zack@wolery.cumb.org>
755 Complete overhaul of the lexer and macro expander.
757 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
758 arg, arglist, argdata, reflist, collect_objlike_expansion,
759 collect_funlike_expansion, collect_params,
760 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
761 unsafe_chars, macarg, compare_defs, special_symbol,
762 scan_arguments, stringify, funlike_macroexpand,
763 _cpp_quote_string, monthnames): Delete.
764 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
765 _cpp_create_definition, _cpp_dump_definition,
766 dump_hash_helper): Adjust.
767 (find_param, count_params, parse_define, var_args_str,
768 check_macro_redefinition, save_expansion): New.
770 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
771 parse_string, output_line_command, trigraph_replace,
772 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
773 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
774 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
775 _cpp_skip_rest_of_line): Modify.
777 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
778 find_position, null_warning, bump_column, expand_name_space,
779 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
780 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
781 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
782 _cpp_prescan): Delete.
784 (dump_param_spelling, process_directive, lex_next,
785 is_macro_disabled, stringify_arg, expand_context_stack,
786 output_token, make_string_token, alloc_number_token,
787 special_symbol, duplicate_token, maybe_paste_with_next,
788 can_paste, prevent_macro_expansion, restore_macro_expansion,
789 get_temp_token, release_temp_tokens, quote_string,
790 token_names, token_spellings, _cpp_expand_name_space,
791 _cpp_glue_header_name, _cpp_reserve_name_space,
792 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
793 placemarker_token, eof_token, cpp_context, macro_args,
794 get_raw_token, parse_arg, parse_args, save_token,
795 push_arg_context, push_macro_context, pop_context,
796 do_pop_context, free_macro_args, _cpp_get_line,
797 _cpp_run_directive): New.
799 * cpplib.c (validate_else, parse_include, push_conditional,
800 pass_thru_directive, read_line_number, parse_ifdef,
801 detect_if_not_defined, _cpp_check_directive, do_define,
802 do_undef, do_include, do_import, do_include_next, do_error,
803 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
804 top_pragmas, do_pragma_gcc, do_pragma_implementation,
805 do_pragma_poison, do_pragma_system_header,
806 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
807 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
808 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
809 cpp_defined): Update for new scheme.
810 (strtoul_for_line, get_define_node, dump_macro_name,
811 _cpp_check_linemarker, _cpp_parse_assertion): New.
812 (_cpp_handle_directive, do_pragma_default): Delete.
814 * cpphash.h (struct predicate): Now struct answer.
815 (enum spell_type, struct token_spelling, struct directive,
816 directive_handler): New.
817 Update prototypes. Remove unused macros.
818 * cpplib.h: Update prototypes. Remove unused macros,
819 structure definitions, and fields.
821 * cpperror.c (print_containing_files, v_message): Adjust.
822 * cppexp.c (parse_assertion, lex, parse_escape,
823 _cpp_parse_expr): Adjust.
824 * cppfiles.c (open_include_file, _cpp_execute_include,
825 _cpp_compare_file_date, cpp_read_file, read_include_file):
827 * cppinit.c (dump_special_to_buffer): Delete.
828 (append_include_chain, merge_include_chains, cpp_reader_init,
829 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
830 cpp_finish, handle_option, print_help): Adjust.
831 * cppmain.c (main): Adjust.
833 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
835 * cppspec.c (lang_specific_driver): Use double quotes in error
838 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
840 * calls.c (emit_library_call_value_1): Use valreg instead
841 of hard_libcall_value.
843 2000-07-03 Geoff Keating <geoffk@cygnus.com>
845 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
846 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
847 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
855 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
856 mode instead of wider_mode is being used.
858 2000-07-03 Jakub Jelinek <jakub@redhat.com>
860 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
861 of 'r'. Use q_regs_operand.
862 (andsi_1+2): Use q_regs_operand.
864 2000-07-03 Jakub Jelinek <jakub@redhat.com>
866 * builtins.c (get_memory_rtx): Always put into alias set 0.
868 2000-07-03 Nick Clifton <nickc@cygnus.com>
870 * config/arm/arm.md: Fix post increment and pre increment
871 peepholes so that they do not generate UNPREDICATBLE opcodes.
872 (ie ones where the increment clobbers the source/destination).
874 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
876 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
877 change too big for -mtiny-stack" a warning, if larger than 63.
878 (out_set_stack_ptr): Change the logic so -mno-interrupts is
879 always safe to use on possible future devices.
880 (function_prologue): Write SPH before SPL, for consistency.
881 If interrupt_func_p true, we know we have enabled interrupts.
882 (avr_num_arg_regs): New function. Round up to even number of
883 bytes if no -mpack-args or if calling a libgcc function.
884 (function_arg, function_arg_advance): Use it.
885 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
886 Output "movw" if available.
887 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
888 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
889 (asm_output_section_name): Add blanks for consistent output.
890 (encode_section_info): Set TREE_READONLY for progmem data to
891 avoid gas warnings about changed section attributes.
892 (avr_hard_regno_mode_ok): Force non-QImode data to start in
893 even numbered registers on devices with "movw".
894 * config/avr/avr.h (MASK_*): Define bits for target_flags.
895 (TARGET_SWITCHES): Mark help strings for translation.
896 Add new -mpack-args and -menhanced switches.
897 (TARGET_OPTIONS): Mark help strings for translation.
898 (progmem_section): Add section attributes.
899 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
900 Output "movw" if available.
901 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
903 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
904 call convention (arguments aligned on even registers).
905 (_cleanup, _exit): Make weak symbols libc can override.
907 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * fp-bit.h: New file.
911 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
912 Comment #endif statements.
913 (__thenan_sf, __thenan_df): Add missing braces around initializer.
915 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
917 * gcse.c (compute_pre_data): Compute ae_kill using other local
918 properties instead of calling compute_ae_kill.
920 * alias.c (init_alias_analysis): Do not call
921 prologue_epilogue_contains until after reload has completed.
923 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
925 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
926 (genrtl_finish_compound_stmt): Likewise.
927 (genrtl_compound_stmt): Change to return void.
929 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
930 move code from here to ...
931 (genrtl_compound_stmt): ... here.
932 (genrtl_finish_compound_stmt): Remove.
933 (expand_stmt): Add comment.
935 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
937 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
940 2000-07-02 Jakub Jelinek <jakub@redhat.com>
942 * cpplib.h (struct cpp_reader): New field include_depth.
943 (struct cpp_printer): Rename last_bsd to last_id.
944 * cppfiles.c (read_include_file): Bump include_depth.
945 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
946 (output_line_command): Output correct #line if a header
947 is including itself and is not protected against multiple inclusion.
948 Use include_depth instead of buffer_stack_depth, last_id instead of
950 * cppinit.c (cpp_start_read): Initialize last_id instead of
953 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
955 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
956 (c-semantics.o): New target.
958 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
959 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
960 (genrtl_clear_out_block): Likewise.
961 (genrtl_goto_stmt): Likewise.
962 (genrtl_expr_stmt): Likewise.
963 (genrtl_decl_stmt): Likewise.
964 (genrtl_if_stmt): Likewise.
965 (genrtl_while_stmt): Likewise.
966 (genrtl_do_stmt): Likewise.
967 (genrtl_return_stmt): Likewise.
968 (genrtl_for_stmt): Likewise.
969 (genrtl_break_stmt): Likewise.
970 (genrtl_continue_stmt): Likewise.
971 (genrtl_scope_stmt): Likewise.
972 (genrtl_switch_stmt): Likewise.
973 (genrtl_case_label): Likewise.
974 (genrtl_begin_compound_stmt): Likewise.
975 (gerntl_finish_compound_stmt): Likewise.
976 (genrtl_compound_stmt): Likewise.
977 (genrtl_asm_stmt): Likewise.
978 (genrtl_decl_cleanup): Likewise.
979 (DECL_ANON_UNION_ELEMS): Likewise.
980 (emit_local_var): Likewise.
981 (make_rtl_for_local_static): Likewise.
982 (expand_cond): Likewise.
983 (expand_stmt): Likewise.
984 (c_expand_return): Likewise.
985 (c_expand_start_case): Likewise.
987 (COMPOUND_STMT_NO_SCOPE): Likewise.
988 (c_expand_asm_operands): Likewise.
989 (NEW_FOR_SCOPE_P): New macro.
990 (expand_expr_stmt_fn): New type.
992 (set_current_function_name_declared): Likewise.
993 (current_function_name_declared): Likewise.
994 (lang_expand_stmt): Likewise.
995 (stmts_are_full_exprs_p): Likewise.
996 (anon_aggr_type_p): Likewise.
997 (lang_expand_expr_stmt): Likewise.
998 (build_case_label): Likewise.
1000 * c-decl.c (lang_expand_expr_stmt): Initialize.
1001 (stmts_are_full_exprs_p): Define.
1002 (current_function_name_declared): Likewise.
1003 (do_case): Likewise.
1004 (lang_expand_stmt): Likewise.
1005 (set_current_function_name_declared): Likewise.
1006 (anon_aggr_type_p): Likewise.
1008 * c-semantics.c: New file.
1009 (expand_cond): Moved from cp/semantics.c.
1010 (genrtl_do_pushlevel): Likewise.
1011 (genrtl_clear_out_block): Likewise.
1012 (genrtl_goto_stmt): Likewise.
1013 (genrtl_expr_stmt): Likewise.
1014 (genrtl_decl_stmt): Likewise.
1015 (genrtl_if_stmt): Likewise.
1016 (genrtl_while_stmt): Likewise.
1017 (genrtl_do_stmt): Likewise.
1018 (genrtl_return_stmt): Likewise.
1019 (genrtl_for_stmt): Likewise.
1020 (genrtl_break_stmt): Likewise.
1021 (genrtl_continue_stmt): Likewise.
1022 (genrtl_scope_stmt): Likewise.
1023 (genrtl_switch_stmt): Likewise.
1024 (genrtl_case_label): Likewise.
1025 (genrtl_begin_compound_stmt): Likewise.
1026 (genrtl_finish_compound_stmt): Likewise.
1027 (genrtl_compound_stmt): Likewise.
1028 (genrtl_asm_stmt): Likewise.
1029 (genrtl_decl_cleanup): Likewise.
1030 (make_rtl_for_local_static): Moved from cp/decl.c.
1031 (emit_local_var): Likewise.
1032 (expand_stmt): Define.
1034 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1035 (c_expand_return): Likewise.
1036 (c_expand_start_case): Likewise.
1038 2000-07-01 Richard Henderson <rth@cygnus.com>
1040 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1041 with the low 13 bits set.
1042 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1043 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1044 of the low 13 bits into a CONST plus an adddi3.
1045 (load_symptr): Set RTX_UNCHANGING_P.
1047 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1049 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1050 * c-common.c (ridpointers): Declare.
1051 * c-common.h (enum rid): Declare.
1053 (ridpointers): Likewise.
1054 * c-lex.c (ridpointers): Don't declare.
1055 (init_lex): Initialize ridpointers.
1056 * c-lex.h (enum rid): Don't declare.
1058 (RID_FIRST_MODIFIER): Likewise.
1059 (ridpointers): Likewise.
1061 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1063 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1066 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1068 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1071 2000-06-30 Catherine Moore <clm@cygnus.com>
1073 * c-common.c (decl_attributes): Differentiate between
1074 types and type decls for alignment.
1076 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1078 * cpp.texi: Document #pragma GCC dependency
1079 * cppfiles.c (open_include_file): Set date to unknown.
1080 (_cpp_compare_file_date): New function.
1081 (read_include_file): Set file date.
1082 * cpphash.h (struct include_file): Add date member.
1083 (_cpp_compare_file_date): Prototype.
1084 * cpplib.c (parse_include): Add trail parameter. Adjust.
1085 (do_include): Adjust parse_include call.
1086 (do_import): Likewise.
1087 (do_include_next): Likewise.
1088 (gcc_pragmas): Add dependency pragma.
1089 (do_pragma_dependancy): New pragma.
1091 2000-06-29 Jason Merrill <jason@redhat.com>
1093 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1096 2000-06-29 Jim Wilson <wilson@cygnus.com>
1098 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1099 a volatile mem and FR_REGS.
1101 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1103 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1104 * c-common.h (flag_const_strings): Declare.
1105 (warn_format): Likewise.
1106 (flag_traditional): Likewise.
1107 (flag_isoc99): Likewise.
1108 (warn_parentheses): Likewise.
1109 (warn_conversion): Likewise.
1110 (C_TYPE_OBJECT_P): Likewise.
1111 (C_TYPE_INCOMPLETE_P): Likewise.
1112 (C_TYPE_FUNCTION_P): Likewise.
1113 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1114 (C_EXP_ORIGINAL_CODE): Likewise.
1115 (build_unary_op): Likewise.
1116 (build_binary_op): Likewise.
1117 (lvalue_p): Likewise.
1118 (default_conversion): Likewise.
1119 (common_type): Likewise.
1120 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1121 (C_TYPE_INCOMPLETE_P): Likewise.
1122 (C_TYPE_FUNCTION_P): Likewise.
1123 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1124 (C_EXP_ORIGINAL_CODE): Likewise.
1125 (common_type): Likewise.
1126 (default_conversion): Likewise.
1127 (build_binary_op): Likewise.
1128 (build_unary_op): Likewise.
1129 (lvalue_p): Likewise.
1130 (flag_const_strings): Likewise.
1131 (warn_format): Likewise.
1132 (warn_conversion): Likewise.
1133 (flag_traditional): Likewise.
1134 (flag_isoc99): Likewise.
1135 (warn_parentheses): Likewise.
1137 2000-06-29 James E. Wilson <wilson@cygnus.com>
1139 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1141 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1142 same. Only tie XFmode with XFmode.
1144 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1146 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1147 * Makefile.in: Update deps.
1149 2000-06-29 Andrew Haley <aph@cygnus.com>
1151 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1154 2000-06-29 Andrew Haley <aph@cygnus.com>
1156 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1157 bytes: remove the multiply by 8.
1159 2000-06-29 Philipp Thomas <pthomas@suse.de>
1161 * rtl.c : Revert NLS changes.
1162 * gcc.c : Fix bug in display_help introced by my last changes.
1164 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1166 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1167 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1169 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1171 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1173 2000-06-28 Philipp Thomas <pthomas@suse.de>
1175 * c-decl.c : Mark strings for translation.
1176 (parmlist_tags_warning): Use distinct messages instead
1177 of conditional expressions.
1178 * diagnostic.c (v_message_with_decl): Mark string for translation.
1179 * gcc.c: Mark messages for translation.
1180 (display_help): Combine messages into one string where necessary.
1181 * mips-tfile: Add intl.h. Mark messages for translation.
1182 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1183 messages for translation.
1184 * timevar.c: Mark messages for translation.
1185 * tlink.c: Likewise.
1186 * toplev.c: Likewise.
1188 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1190 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1192 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1193 use -isystem instead of -idirafter.
1194 * i386/i386-interix.h: Likewise.
1196 2000-06-28 Jason Merrill <jason@redhat.com>
1198 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1199 unless DWARF2_DEBUGGING_INFO is defined.
1200 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1202 2000-06-28 Richard Henderson <rth@cygnus.com>
1204 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1206 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1208 * cpplex.c (output_line_command): Output correct #line if a header
1209 is including itself and is not protected against multiple inclusion.
1211 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1213 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1214 ENFILE, close all cached file descriptors and try again.
1215 (_cpp_execute_include): Keep a count of the number of times
1216 each header is included.
1217 (close_cached_fd): New function.
1218 * cpphash.h (struct include_file): Rename before to
1219 include_count; all users updated. Make include_count and sysp
1221 * cppinit.c (cpp_finish): If -H, report headers that could use
1223 (report_missing_guard): New function.
1225 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1227 * i386.md (prologue_set_got): Set length_immediate field.
1228 (testqi_ccno_1): Add missing '@' character.
1230 2000-06-27 Jason Merrill <jason@redhat.com>
1232 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1235 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1237 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1238 unsigned macros available.
1240 2000-06-27 Richard Henderson <rth@cygnus.com>
1242 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1243 epilogue_deallocate_stack.
1245 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1246 completers for UNORDERED and ORDERED as well.
1247 * config/ia64/ia64.md (bunordered, bordered): New.
1248 (sunordered, sordered): New.
1250 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1252 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1253 * i386.c (ix86_attr_length_default): Kill.
1254 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1256 * i386-protos.h (ix86_attr_length_default): Kill
1257 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1259 * i386.md (attribute type): Add "test".
1260 (attribute length_prefix): Kill.
1261 (attribute length_opcode): Kill.
1262 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1263 prefix_rep, prefix_0f, modrm): New.
1264 (attribute length): Compute using the new attributes.
1265 (attribute pent_prefix): New.
1266 (attribute pent_pair): Compute using pent_prefix.
1267 (all insn patterns): Set mode,modrm and immediate_length attributes where
1269 (cmpsi patterns): Compute sizes propertly for test instruction.
1270 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1271 (movstricthi_xor, movstrictqi_xor): New patterns.
1272 (andsi/andhi): Use splitters to generate xor instructions.
1273 (xorqi_ext_1): New pattern.
1274 (movstricthi->movstricthi_xor peep2): New.
1276 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1278 * i386.md (addqi_low_1): Remove.
1280 2000-06-27 Philipp Thomas <pthomas@suse.de>
1282 * 1750a.h: Mark help strings for options/switches for translation.
1284 * alpha.h: Likewise.
1287 * riscix.h: Likewise.
1289 * clipper.h: Likewise.
1290 * convex.h: Likewise.
1291 * elxsi.h: Likewise.
1294 * h8300.h: Likewise.
1296 * cygwin.h: Likewise.
1298 * djgpp.h: Likewise.
1300 * osf1elf.h: Likewise.
1301 * osfrose.h: Likewise.
1303 * win32.h: Likewise.
1305 * paragon.h: Likewise.
1309 * mcore.h: Likewise.
1311 * mn10300.h: Likewise.
1312 * ns32k.h: Likewise.
1313 * pdp11.h: Likewise.
1316 * aix41.h: Likewise.
1317 * aix43.h: Likewise.
1319 * rs6000.h: Likewise.
1320 * sysv4.h: Likewise.
1321 * linux.h: Likewise.
1322 * linux64.h: Likewise.
1323 * sp64-elf.h: Likewise.
1324 * sparc.h: Likewise.
1325 * splet.h: Likewise.
1327 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1329 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1330 Properly document option and mark for translation.
1331 * sp86x-elf.h: Likewise.
1333 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1335 Add MMX and SSE registers to i386 machine description.
1336 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1337 ix86_local_alignment): Declare.
1339 * i386.h (TARGET_MMX, TARGET_SSE): New.
1340 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1341 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1342 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1343 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1344 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1345 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1346 (RETURN_IN_MEMORY): Handle MMX/SSE.
1347 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1348 also get stack space.
1349 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1350 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1351 (MMX_REGISTER_NAMES): New.
1352 (ALIGN_MODE_128): New macro.
1353 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1354 (DATA_ALIGNMENT): Likewise.
1355 (LOCAL_ALIGNMENT): Likewise.
1356 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1357 TARGET_MMX/TARGET_SSE.
1358 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1359 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1360 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1361 SSE/MMX regs and something else.
1362 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1363 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1364 3 if moving between MMX regs and something else.
1366 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1367 (regclass_map): Add MMX/SSE registers.
1368 (print_operand): Add code to print XMMWORD as appropriate.
1369 (ix86_split_movdi): Abort for MMX regs.
1370 (init_cumulative_args): Also allow SSE_REGS
1371 (function_arg_advance, function_arg): Likewise
1372 (print_reg): Support 'm'. Add case for TImode.
1373 (override_options): TARGET_SSE implies TARGET_MMX.
1374 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1377 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1379 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1381 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1382 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1384 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1386 * ssa.c (struct rename_set_data): Change the name of field
1387 'set_dest' to 'old_reg'. Add comments.
1388 (struct rename_context): Change the name of 'set_data' to
1389 'new_renames'. Add new field 'done_renames'.
1390 (create_delayed_rename): New function.
1391 (apply_delayed_renames): New function.
1392 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1393 SUBREGs and similar by emitting a move.
1394 (new_registers_for_updates): Delete, functionality moved to
1395 apply_delayed_renames.
1396 (rename_block): Handle moves emitted by rename_insn_1 by putting
1397 them into a SEQUENCE with the original insn. Add sanity checks
1399 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1400 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1402 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1403 Jason Merrill <jason@redhat.com>
1405 * dwarf2.h (enum dwarf_call_frame_info): Add
1406 DW_CFA_def_cfa_expression.
1407 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1408 dw_loc_descr_struct entry.
1409 (struct cfa_loc): New structure to track a CFA location.
1410 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1411 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1412 offset, plus handle DW_CFA_def_cfa_expression.
1413 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1415 (dwarf2out_def_cfa): Entry point maintained for compatability.
1416 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1417 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1418 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1419 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1421 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1422 sequences for the new DW_CFA_def_cfa_expression record.
1423 (dwarf2out_frame_debug): Use new variables/fields.A
1424 (output_cfi): Handle DW_CFA_def_cfa_expression.
1425 (output_cfa_loc): New function to generate a CFI record for
1426 DW_CFA_def_cfa_expression.
1427 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1428 a dw_loc_descr sequeunce.
1429 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1430 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1431 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1432 unwind info section.
1433 * frame.h (frame_state): Add base_offset and indirect fields.
1434 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1435 dw_loc_descr operation.
1436 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1437 (struct frame_state): Add base offset and indirect fields.
1438 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1440 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1442 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1443 Make warnings about implicit int be pedwarns in C99. Don't warn
1444 about duplicate type qualifiers in C99.
1445 (start_function): Make warning about implict int return type be a
1447 * c-lex.c (yylex): Don't warn about `long long' in C99.
1448 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1449 `return' with no value in function returning non-void.
1451 2000-06-26 Richard Henderson <rth@cygnus.com>
1453 * c-typeck.c (pedwarn_c99): New.
1454 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1455 * toplev.h: Prototype them.
1457 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1459 * c-typeck.c (digest_init): Return error_mark_node node when
1460 TREE_TYPE (init) == error_mark_node.
1462 2000-06-26 Philipp Thomas <pthomas@suse.de>
1464 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1465 test for msgfmt without path instead.
1466 * configure: Rebuilt.
1468 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1470 * gengenrtl.c (special_rtx): Fix typo in comment.
1472 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1474 * mklibgcc.in (LIB2FUNCS): Add missing space.
1476 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1478 * tree.h (enum tree_index): Add vector type nodes.
1479 Add accessor macros for them.
1480 (TYPE_REPRESENATION_TYPE): New macro.
1481 * tree.c (build_common_tree_nodes_2): Build these nodes.
1482 (finish_vector_type): New function.
1483 * c-common.c (type_for_mode): Handle vector modes.
1484 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1486 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1487 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1488 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1489 (gen_type_die): Likewise.
1490 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1491 (fundamental_type_code): Likewise.
1492 (type_is_fundamental): VECTOR_TYPEs aren't.
1493 (output_type): Handle VECTOR_TYPEs.
1495 2000-06-25 Kazu Hirata <kazu@hxi.com>
1497 * config/arm.c: Fix a comment typo.
1498 * config/arm.h: Likewise.
1500 2000-06-25 Philipp Thomas <pthomas@suse.de>
1502 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1504 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1505 * configure: Rebuilt.
1507 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1509 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1511 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1513 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1516 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1518 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1520 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1522 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1524 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1526 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1527 last_unconditional_cleanup.
1529 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1531 * tree.def (VECTOR_TYPE): New node type.
1532 * tree.h: Adjust some comments to reflect addition of vector types.
1533 (TYPE_VECTOR_SUBPARTS): New macro.
1534 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1535 * c-convert.c (convert): Likewise.
1536 * convert.c (convert_to_integer): Handle vector modes.
1537 (convert_to_vector): New function.
1538 * convert.h (convert_to_vector): Declare.
1539 * expr.c (convert_move): Handle vector modes.
1540 * expmed.c (extract_bit_field): Don't abort for vector modes.
1542 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1544 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1545 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1546 New functions, common code moved from function_{prologue,epilogue}
1547 and extended to support the -mtiny-stack option.
1548 (function_prologue, function_epilogue): Use them.
1549 Use lo8/hi8 consistently for asm output readability.
1550 (avr_hard_regno_mode_ok): New function.
1551 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1552 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1553 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1554 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1555 Write SPH before SPL.
1556 (*movqi): No need to disable interrupts for just one "out"
1557 in alternative 5. Change length attribute from 4 to 1.
1558 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1559 Write SPH before SPL.
1561 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1563 * rtl.texi (Vector Operations): New node.
1564 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1565 (Conversions): Add ss_truncate, us_truncate.
1566 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1567 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1568 US_TRUNCATE): New rtx codes.
1569 * machmode.def: Add vector modes.
1570 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1572 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1573 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1574 (VECTOR_MODE_P): New.
1576 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1578 * cpp.texi: Clarify #pragma GCC namespace.
1580 2000-06-24 Philipp Thomas <pthomas@suse.de>
1582 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1583 all catalogs specified in ALL_LINGUAS.
1584 * configure: Rebuilt.
1586 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1588 * config/sparc/sparc.md (reload_outdi+1): Handle
1589 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1590 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1592 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1594 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1595 struct vs. scalar-ness when -fno-strict-aliasing.
1597 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1599 * cpplib.c (struct pragma_entry): New structure.
1600 (pragma_dispatch): Pragma dispatcher.
1601 (top_pragmas, gcc_pragmas): New static variables.
1602 (do_pragma): Use pragma_dispatch.
1603 (do_pragma_gcc): New pragma handler.
1606 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1608 * calls.c (compute_argument_addresses): Force stack slots into
1610 * expr.c (emit_push_insn): Force pushes into alias set 0.
1612 2000-06-23 Richard Henderson <rth@cygnus.com>
1614 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1615 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1617 2000-06-22 Jason Merrill <jason@redhat.com>
1619 * toplev.c (compile_file): Always call timevar_print.
1620 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1622 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1624 * varasm.c (constant_descriptor): Make contents unsigned char.
1625 (mark_const_hash_entry): Adjust.
1626 (const_hash): Just hash the code of unknown nodes.
1627 (compare_constant_1): Adjust for unsigned char.
1628 Use language specific expander on unknown nodes.
1629 (record_constant_1): Likewise.
1631 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1633 * cppfiles.c (cpp_make_system_header): New function.
1634 * cpplib.h: Prototype it.
1635 * cpplib.c (do_line, do_pragma_system_header): Use it.
1636 * fix-header.c (read_scan_file): Use it.
1638 * fix-header.c (check_macro_names): Cast second arg of
1639 cpp_defined to const unsigned char *.
1640 (read_scan_file): Make getchar_call const unsigned char.
1642 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1644 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1645 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1646 (destroy_include_file_node): New.
1647 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1648 Create a splay tree, not a hash table.
1649 (open_include_file): Look up the path in the include table,
1650 do the multiple include optimization here, etc.
1651 (cpp_included): Walk the path.
1652 (find_include_file): Just walk the path calling
1653 open_include_file, or call it directly for an absolute path.
1654 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1656 (read_include_file): Update for new scheme. Don't close the
1657 file unless reading fails.
1658 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1660 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1661 (struct include_file): New.
1662 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1664 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1667 * cppinit.c: Include splay-tree.h.
1668 (cpp_reader_init, cpp_cleanup): Update.
1670 * cpplib.h (struct cpp_buffer): Change ihash field to
1671 'struct include_file *inc'. Remove system_header_p.
1672 (struct cpp_reader): Change all_include_files to a
1673 struct splay_tree_s *.
1675 * cpplex.c: Update all references to cpp_buffer->ihash and/or
1676 cpp_buffer->system_header_p.
1677 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
1679 * Makefile.in (SPLAY_TREE_H): New macro.
1680 (cppfiles.o, cppinit.o): Update dependencies.
1682 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
1684 * invoke.texi (g++): "g++" is not a script anymore.
1686 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1688 * function.c (round_down): Delete obsolete prototype.
1690 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
1692 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
1694 * configure.in: Use 'test a = b' not 'test a == b'.
1697 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
1699 * Makefile.in: Remove all references to HOST_INTLLIBS.
1701 * cpplex.c (parse_name): Don't warn about $ in identifiers if
1704 2000-06-20 Philipp Thomas <pthomas@suse.de>
1706 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
1709 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1711 * Take REG_INC notes into account.
1713 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
1715 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
1716 (primary: IDENTIFIER): Just call build_external_ref.
1717 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
1719 * c-lex.c (lastiddecl): Remove.
1720 (yylex): Replace all instances of lastiddecl with local
1723 * c-typeck.c (build_external_ref): New function. Treat decls
1724 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
1725 Look up the decl from the id here. Call lookup_objc_ivar.
1726 * c-lang.c (lookup_objc_ivar): Stub.
1727 * objc/objc-act.c (lookup_objc_ivar): New function.
1729 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
1730 * c-lex.h: Don't declare lastiddecl.
1732 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
1734 * c-common.h (IF_COND): Added documentation.
1735 (THEN_CLAUSE): Likewise.
1736 (ELSE_CLAUSE): Likewise.
1737 (WHILE_COND): Likewise.
1738 (WHILE_BODY): Likewise.
1739 (DO_COND): Likewise.
1740 (DO_BODY): Likewise.
1741 (RETURN_EXPR): Likewise.
1742 (EXPR_STMT_EXPR): Likewise.
1743 (FOR_INIT_STMT): Likewise.
1744 (FOR_COND): Likewise.
1745 (FOR_EXPR): Likewise.
1746 (FOR_BODY): Likewise.
1747 (SWITCH_COND): Likewise.
1748 (SWITCH_BODY): Likewise.
1749 (CASE_LOW): Likewise.
1750 (CASE_HIGH): Likewise.
1751 (GOTO_DESTINATION): Likewise.
1752 (COMPOUND_BODY): Likewise.
1753 (ASM_CV_QUAL): Likewise.
1754 (ASM_STRING): Likewise.
1755 (ASM_OUTPUTS): Likewise.
1756 (ASM_INPUTS): Likewise.
1757 (ASM_CLOBBERS): Likewise.
1758 (DECL_STMT_DECL): Likewise.
1759 (STMT_EXPR_STMT): Likewise.
1760 (LABEL_STMT_LABEL): Likewise.
1762 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
1763 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
1764 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
1765 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1767 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1769 * configure.in (--enable-checking): Update --help doc to reflect
1770 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
1772 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1774 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
1776 * function.c (put_var_into_stack): Don't reference DECL_ fields
1777 if input is a SAVE_EXPR.
1778 Use set_mem_attributes in COMPLEX case.
1780 2000-06-18 Richard Henderson <rth@cygnus.com>
1782 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
1783 (ia64_file_start): Declare.
1784 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
1785 (GR_REGNO_P): Likewise.
1786 * config/ia64/ia64.c: Many prototypes.
1787 (ia64_reg_numbers): Constify.
1788 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
1789 (ia64_section_threshold): Make unsigned.
1790 (ia64_print_operand): Constify.
1791 (fix_range): Constify.
1792 (ia64_init_builtins): Don't compare signed vs unsigned.
1793 (ia64_expand_builtin): Likewise.
1795 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
1796 (CONSTRAINT_OK_FOR_Q): New.
1797 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
1798 (movsf_internal, movdf_internal): Likewise.
1799 (cmovdi_internal): Rewrite so that constraints and predicates match;
1801 (cmovsi_internal): Likewise.
1803 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
1804 (ASM_FILE_START): New.
1805 * config/ia64/ia64.c (ia64_file_start): New.
1806 (rtx_needs_barrier): Handle pred.rel.mutex.
1807 (emit_predicate_relation_info): New.
1808 * config/ia64/ia64.md (pred_rel_mutex): New.
1809 * config/ia64/linux.h (ASM_SPEC): Define.
1810 * config/ia64/sysv4.h (ASM_FILE_START): Define.
1812 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
1813 filtering global register variables.
1815 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1817 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
1819 2000-06-17 Michael Meissner <meissner@redhat.com>
1821 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
1822 not present and there is a field after a '-'.
1824 2000-06-17 Bruce Korb <bkorb@gnu.org>
1826 * fixinc/check.tpl: finish the implementation of multiple tests
1828 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
1829 (io_quotes_def): add a second test
1830 (various): reorder `files' so that "limits.h" is never first
1831 * fixinc/tests/base/*: update the testing output
1833 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1835 * gcc.texi: Remove reference to stupid.c.
1837 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
1839 * c-common.c (c_tree_code_type): New array.
1840 (c_tree_code_length): Likewise.
1841 (c_tree_code_name): Likewise.
1842 (add_c_tree_codes): New function.
1844 * c-common.h (add_c_tree_codes): Declare.
1845 (enum c_tree_code): New enum.
1847 * c-lex.c (init_parse): Added call to add_c_tree_codes.
1849 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1851 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
1852 select pattern to also match macro defs with only one argument.
1854 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
1856 * i386.md: Create new [right,left] rotate and right shift
1857 patterns to optimize shift by 1 bit for certain ia32 processors.
1858 Update patterns which perform left shifts to optimize shift by
1859 1 bit for certain ia32 processors.
1860 * i386.c (const_int_1_operand): New predicate.
1861 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
1862 * i386-protos.h (const_int_1_operand): Prototype.
1864 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1866 * mips.c (machine_dependent_reorg): Fix braces for nested if.
1868 2000-06-14 Geoff Keating <geoffk@cygnus.com>
1870 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
1873 2000-06-14 Richard Henderson <rth@cygnus.com>
1875 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
1877 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
1880 * print-rtl.c (print_rtx): Emit space before mem alias set.
1882 2000-06-14 David Edelsohn <edelsohn@gnu.org>
1884 * rs6000.c (expand_block_move): Fix typo in earlier change.
1885 (print_operand): Remove unused variables neg and op.
1886 (toc_hash_mark_entry): Fix prototype.
1888 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
1890 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
1891 (THEN_CLAUSE): Likewise.
1892 (ELSE_CLAUSE): Likewise.
1893 (WHILE_COND): Likewise.
1894 (WHILE_BODY): Likewise.
1895 (DO_COND): Likewise.
1896 (DO_BODY): Likewise.
1897 (RETURN_EXPR): Likewise.
1898 (EXPR_STMT_EXPR): Likewise.
1899 (FOR_INIT_STMT): Likewise.
1900 (FOR_COND): Likewise.
1901 (FOR_EXPR): Likewise.
1902 (FOR_BODY): Likewise.
1903 (SWITCH_COND): Likewise.
1904 (SWITCH_BODY): Likewise.
1905 (CASE_LOW): Likewise.
1906 (CASE_HIGH): Likewise.
1907 (GOTO_DESTINATION): Likewise.
1908 (COMPOUND_BODY): Likewise.
1909 (ASM_CV_QUAL): Likewise.
1910 (ASM_STRING): Likewise.
1911 (ASM_OUTPUTS): Likewise.
1912 (ASM_INPUTS): Likewise.
1913 (ASM_CLOBBERS): Likewise.
1914 (DECL_STMT_DECL): Likewise.
1915 (STMT_EXPR_STMT): Likewise.
1916 (LABEL_STMT_LABEL): Likewise.
1917 (SCOPE_BEGIN_P): Likewise.
1918 (SCOPE_END_P): Likewise.
1919 (SCOPE_STMT_BLOCK): Likewise.
1920 (SCOPE_NULLIFIED_P): Likewise.
1921 (SCOPE_NO_CLEANUPS_P): Likewise.
1922 (SCOPE_PARTIAL_P): Likewise.
1923 (ASM_VOLATILE_P): Likewise.
1924 (STMT_LINENO): Likewise.
1925 (STMT_LINENO_FOR_FN_P): Likewise.
1927 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1928 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1929 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1930 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1931 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1933 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1935 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1937 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1938 writable in parts of the GCC code.
1940 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1941 specification match cast.
1943 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1945 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1946 * configure, config.in: Rebuilt.
1947 * sys-protos.h: Similarly.
1949 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1951 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1952 * basic-block.h (EDGE_COMPLEX): ... here.
1954 * loop.c (check_dbra_loop): Specify the register when
1955 generating REG_NONNEG notes and don't generate duplicates.
1957 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1959 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1960 (struct tree_type, struct tree_decl): Add user_align member.
1961 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1962 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1963 and DECL_USER_ALIGN 0, cap alignment to this value.
1964 (place_field): Likewise.
1965 (finalize_type_size): Set TYPE_USER_ALIGN.
1966 (layout_type): Likewise.
1967 (initialize_sizetypes): Likewise.
1968 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1969 DECL_USER_ALIGN to 1.
1970 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1971 (xfer_tag): Set TYPE_USER_ALIGN.
1972 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1973 (finish_enum): Likewise.
1974 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1975 (expand_anon_union_decl): Likewise.
1976 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1977 (build_index_type): Set TYPE_USER_ALIGN.
1978 (build_range_type): Likewise.
1979 (build_common_tree_nodes_2): Likewise.
1980 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1982 2000-06-13 Andreas Jaeger <aj@suse.de>
1984 * configure.in: Use --enable-checking=misc,tree,gc by default if
1985 no --enable-checking option is given and for
1986 --enable-checking=yes.
1987 * configure: Rebuilt.
1989 2000-06-13 Richard Henderson <rth@cygnus.com>
1991 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1992 (__throw): Don't pass the address of a label.
1994 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1995 current_function_is_leaf.
1996 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1997 instead of reg_names[RETURN_ADDRESS_REGNUM].
1998 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1999 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2000 from RETURN_ADDRESS_REGNUM. Update all uses.
2001 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2002 zero instead of null on failure.
2003 (ELIMINABLE_REGS): Add ra->b0 elimination.
2004 (CAN_ELIMINATE): Update accordingly.
2005 (INITIAL_ELIMINATION_OFFSET): Likewise.
2006 (REGISTER_NAMES): Use an illegal assembler name for
2007 RETURN_ADDRESS_POINTER_REGNUM.
2009 2000-06-13 Richard Henderson <rth@cygnus.com>
2011 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2012 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2013 (REG_CLASS_NAMES): Likewise.
2014 (REG_CLASS_CONTENTS): Likewise.
2015 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2016 (HARD_REGNO_MODE_OK): Remove references to them.
2017 (REGNO_REG_CLASS): Likewise.
2018 (REG_CLASS_FROM_LETTER): Likewise.
2019 (CLASS_MAX_NREGS): Likewise.
2020 (REGISTER_MOVE_COST): Likewise.
2021 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2022 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2023 (movqi_internal): Special case moves from zero.
2024 (movhi_internal, movsi_internal): Likewise.
2025 (movdi_internal): Likewise. Fill out "f" constraints.
2026 (movsf_internal): Fill out "r" constraints.
2027 (movdf_internal): Likewise.
2029 2000-06-13 Richard Henderson <rth@cygnus.com>
2031 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2032 alive before reload.
2034 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2035 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2036 (remove_dependence): Always define.
2037 (set_sched_group_p): New.
2038 (sched_analyze_2): Use it.
2039 (sched_analyze_insn): Don't special-case naked uses. Look for
2040 and extend in_post_call_group_p.
2041 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2042 (init_deps): Clear in_post_call_group_p.
2044 2000-06-13 Richard Henderson <rth@cygnus.com>
2046 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2047 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2048 and hard-coded tests.
2049 (simplify_set): Likewise.
2050 (gen_lowpart_for_combine): Likewise.
2051 * emit-rtl.c (gen_lowpart_common): Likewise.
2052 * global.c (find_reg): Likewise.
2053 * local-alloc.c (find_free_reg): Likewise.
2054 * recog.c (register_operand): Likewise.
2055 * regclass.c (init_reg_sets_1): Likewise.
2056 (record_operand_costs, regclass): Likewise.
2057 * reload.c (push_reload): Likewise.
2058 * reload1.c (choose_reload_regs): Likewise.
2059 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2060 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2061 Update all references.
2062 * regs.h (struct reg_info_def): Likewise.
2063 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2064 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2065 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2067 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2068 (CLASS_CANNOT_CHANGE_MODE_P): New.
2069 * config/mips/mips.h: Likewise.
2070 * config/pa/pa32-regs.h: Likewise.
2071 * config/pa/pa64-regs.h: Likewise.
2072 * config/rs6000/rs6000.h: Likewise.
2073 * config/sh/sh.h: Likewise.
2074 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2075 (CLASS_CANNOT_CHANGE_MODE_P): New.
2076 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2077 * config/d30v/d30v.h: Likewise.
2079 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2081 * configure.in: Add AC_TYPE_GETGROUPS test.
2082 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2083 * configure: Rebuilt.
2084 * config.in: Rebuilt.
2086 2000-06-13 Richard Henderson <rth@cygnus.com>
2088 * explow.c (set_mem_attributes): Do nothing for NULL type.
2090 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2092 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2095 2000-06-13 James E. Wilson <wilson@cygnus.com>
2097 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2099 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2101 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2103 2000-06-13 Philipp Thomas <pthomas@suse.de>
2105 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2106 * configure: Rebuilt.
2108 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2110 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2111 We now default to ELF for the i386, and a.out is the special case.
2112 * configure: Rebuilt.
2114 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2116 * final.c (final_scan_insn): Delete notes between cc0 setter and
2117 user when restarting from setter.
2119 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2121 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2122 cast to squelch signed/unsigned warnings.
2124 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2126 * cpplib.c (handle_directive): Print non-NUL-terminated string
2129 2000-06-12 Michael Meissner <meissner@redhat.com>
2131 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2132 path if the machine needs extra support to do conditional
2135 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2137 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2138 to print the alias set.
2139 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2141 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2143 * config/float-vax.h: Add GFLOAT defines.
2145 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2147 * configure.in: Update tm dependencies for MPE.
2148 * configure: Rebuilt.
2150 2000-06-12 H.J. Lu <hjl@gnu.org>
2152 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2154 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2156 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2157 (CPP_SPEC): Change mthreads to pthread.
2158 (LIB_SPEC): Likewise.
2159 (STARTFILE_SPEC): Likewise.
2160 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2161 (CPP_SPEC): Change mthreads to pthread.
2162 (LIB_SPEC): Likewise.
2163 (STARTFILE_SPEC): Likewise.
2164 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2165 * rs6000.c (reg_or_arith_cint_operand): New.
2166 (num_insns_constant_wide): Decorate unsigned constant.
2167 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2168 * rs6000.md (addsi3): Use new predicate.
2169 (subsi3, adddi3, subdi3): Likewise.
2171 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2173 * c-common.c (lang_get_alias_set): Fix typo.
2175 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2177 * flow.c (mark_used_regs): Revert last change.
2178 (life_analysis): Remove PROP_AUTOINC if running after reload.
2179 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2181 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2183 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2186 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2188 * bb-reorder.c (build_scope_forest): Initialize variable
2191 * calls.c (expand_call): Likewise for variables
2192 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2194 * i386.c (function_arg_advance, function_arg): Cast to avoid
2195 signed/unsigned warnings.
2197 * i386.h (MEMORY_MOVE_COST): Likewise.
2199 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2200 `else_start' and `else_end'.
2202 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2204 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2206 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2208 * Makefile.in (libintl.a): Depend on intl.all.
2210 2000-06-09 H.J. Lu (hjl@gnu.org)
2212 * Makefile.in (c-parse.o): Also depend on output.h.
2214 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2216 * mcore-protos.h: discards const warning removal.
2217 * mcore.c: discards const warning removal.
2219 2000-06-09 Kazu Hirata <kazu@hxi.com>
2221 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2222 the beginning of the file.
2224 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2226 * real.h: Add prototype for ldexp.
2228 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2230 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2231 it ggc_alloc, drop second argument, never clear returned memory.
2232 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2233 (ggc_alloc_cleared): New.
2234 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2235 ggc_alloc_obj. Remove ggc_alloc macro.
2236 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2238 * rtl.c (rtvec_alloc): Clear the vector always.
2239 (rtx_alloc): Clear the first word always. Remove dirty
2240 obstack tricks (this routine is no longer a bottleneck).
2241 * tree.c (make_node): Clear the new node always.
2242 (make_tree_vec): Likewise.
2243 (tree_cons): Clear the common structure always.
2244 (build1): Likewise; also, clear TREE_COMPLEXITY.
2245 * gengenrtl.c: Use puts wherever possible. Remove extra
2247 (gendef): Clear the first word of an RTX in the generator
2248 function, irrespective of ggc_p. Initialize '0' slots to
2250 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2251 thin wrapper macro around obstack_alloc.
2253 * stmt.c (expand_fixup): Use ggc_alloc.
2254 * c-typeck.c (add_pending_init): Use ggc_alloc.
2255 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2256 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2257 const0_rtx when it is created.
2258 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2259 we are not in a function.
2261 * tree.c (tree_class_check_failed): Make second arg an int.
2262 * tree.h: Update prototype.
2264 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2266 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2267 of an error_mark_node.
2269 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2271 * config/avr/avr.c (asm_output_section_name): bugfix.
2273 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2275 * timevar.def: Add TV_EXPAND.
2276 * timevar.c (timevar_print): Update timing information.
2277 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2279 * stmt.c (expand_return): Check for error_mark_node.
2281 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2283 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2285 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2286 variable against filename expansion when it contains "char *".
2288 * system.h (SSIZE_MAX): Delete backup definition.
2290 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2291 instead of SSIZE_MAX.
2293 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2295 * configure.in: Check whether gas supports -relax.
2296 * configure, config.in: Rebuilt.
2297 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2298 (EXTRA_SPECS): Add asm_relax.
2299 (ASM_SPEC): Add %(asm_relax).
2300 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2301 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2302 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2303 (ASM_SPEC): Add %(asm_relax).
2304 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2305 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2306 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2307 instead of mov, so that gas can further optimize it.
2309 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2311 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2313 (value_format, case dw_val_class_const): Use sdata format.
2314 (output_die): Call output_sleb128.
2316 2000-06-08 James E. Wilson <wilson@cygnus.com>
2318 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2319 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2320 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2321 (output_die, case dw_val_class_unsigned_const): Correct call to
2322 ASM_OUTPUT_DWARF_DATA8.
2323 (output_die, case dw_val_class_long_long): Use
2324 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2325 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2328 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2329 (output_function_prologue): Fix mispelling.
2330 (output_function_prologue, output_function_epilogue): Reorder to
2331 match ia64.c definition order.
2332 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2333 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2334 Use r3 instead of r2 for large stack restores.
2335 (ia64_output_end_prologue): New function.
2336 (process_set): Emit ".restore sp" for epilogue stack restores.
2337 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2339 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2341 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2344 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2346 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2348 2000-06-08 Denis Perchine <dyp@perchine.com>
2350 * frame.c (start_fde_sort): Don't malloc (0).
2352 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2354 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2356 * print-tree.c (print_node): The transparent_union_flag means
2357 different things for unions and arrays. Do not inspect it
2358 with TYPE_TRANSPARENT_UNION.
2360 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2362 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2365 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2367 * config/avr/avr.c (asm_output_section_name): output section
2369 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2371 2000-06-06 James E. Wilson <wilson@cygnus.com>
2373 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2374 fields into header field.
2375 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2376 macros to access length, flags, and version info from header field.
2377 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2378 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2379 (__do_global_ctors_aux): Fix caller.
2380 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2381 prologue_flag to header. Pass to read_P_record.
2382 (read_P_record): New argument header. Implement P4 format.
2383 Multiply P7_T_SIZE by 16.
2384 (execute_one_ia64_descriptor): New static local region_header. Pass to
2385 get_unwind_record. Copy r to region_header if r is a header record.
2386 (print_all_records): Likewise.
2387 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2388 (__get_personality, __get_except_table): Likewise.
2389 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2391 2000-06-06 Philipp Thomas <pthomas@suse.de>
2393 * configure.in (AC_C_INLINE): Added.
2394 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2395 * configure: Regenerate.
2397 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2399 * c-common.h (c_language_kind): New type.
2400 (c_language): New variab.e
2401 * c-common.c (lang_get_alias_set): Don't put structures in
2402 non-zero alias sets in C++.
2403 * c-decl.c (c_language): Define it.
2404 * c-lex.c (doing_objc_thang): Remove.
2405 * c-tree.h (doing_objc_thang): Make it a macro.
2406 * objc/objc-act.c (lang_decode_option): Set c_language, not
2409 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2411 * diagnostic.c (output_maximum_width): Remove.
2412 (doing_line_wrapping): Tweak.
2413 (diagnostic_buffer): New object.
2414 (global_output_buffer): New object.
2415 (output_destroy_prefix): New function.
2416 (default_initialize_buffer): Likewise.
2417 (reshape_diagnostic_buffer): Likewise.
2418 (initialize_diagnostics): Likewise.
2419 (output_clear): Tweak.
2420 (line_wrapper_printf): Adjust call to init_output_buffer.
2421 (vline_wrapper_message_with_location): Likewise. Use
2422 output_destroy_prefix.
2423 (v_message_with_decl): Likewise.
2425 * diagnostic.h (struct output_buffer): Constify prefix.
2426 (init_output_buffer, output_get_prefix): Constify.
2427 (diagnostic_message_length_per_line): Likewise.
2428 (reshape_diagnostic_buffer): Declare.
2429 (default_initialize_buffer): Declare.
2430 (initialize_diagnostics): Declare.
2431 (diagnostic_buffer): Declare new obbject.
2433 * toplev.c: #include diagnostic.h
2434 (display_help): Document diagnostic formatting options.
2435 (decode_f_option): Handle diagnostic formatting options.
2436 (main): Setup initialization for diagnostic messages outputter.
2438 * toplev.h (set_message_length): Remove.
2440 * Makefile.in (toplev.o): Depends upon diagnostic.h
2442 * invoke.texi : Document diagnostics formatting options.
2444 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2446 * configure.in (Make the links): Typo fix : the file that must be
2447 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2448 * configure: File rebuilt.
2450 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2452 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2453 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2455 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2456 emergency eh_context buffer, if malloc fails.
2457 (__eh_free): Moved from cp/exception.cc. Release to emergency
2458 eh_context buffer, if appropriate.
2460 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2462 * expr.c (store_expr): Fix typo.
2464 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2466 * m68k.c (legitimize_pic_address): Move prototype ...
2468 * m68k-protos.h (legitimize_pic_address): ... here.
2470 * m68k.md (legitimize_pic_address): Delete prototypes.
2471 (untyped_call): Invoke GEN_CALL(), not gen_call().
2473 * nextstep.c: Include system.h and toplev.h.
2474 (get_directive_line): Don't prototype.
2475 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2477 * nextstep.h (handle_pragma): Prototype.
2478 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2479 objc_section_init ...
2480 (EXTRA_SECTION_FUNCTIONS): ... here.
2482 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2484 * sdbout.c (struct sdb_file): NAME now const.
2485 (sdbout_init): input_file_name now const.
2486 (sdbout_start_new_source_file): FILENAME now const.
2487 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2489 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2491 * c-typeck.c (build_conditional_expr): Handle complex data types.
2493 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2495 * explow.c (maybe_set_unchanging): New function, broken out from...
2496 (set_mem_attributes): Here.
2497 * expr.h: Declare it.
2498 * stmt.c (expand_decl): Call it.
2500 2000-06-05 Richard Henderson <rth@cygnus.com>
2502 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2503 while looking for a register to inherit from.
2505 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2507 * Makefile.in (libgcc.ready): Lose.
2508 (libgcc.mk): Just use mv, not move-if-change.
2509 (LIBGCC_DEPS): New macro.
2511 (stmp-multilib): Likewise.
2512 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2513 it rather than the directories themselves.
2514 (LIB2ADD): Depend on the list file rather than 'force'.
2516 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2517 cv-qualified versions of types.
2519 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2521 * config/sparc/sparc.c (short_branch): Correct error in range
2524 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2526 * fixinc/inclhack.def: New include hacks for ultrix.
2527 * (nested_ultrix): Replaced by ultrix_nested_svc.
2528 * (ultrix_atof_param): test_text string added.
2529 * (ultrix_ifdef): Modified select string.
2531 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2533 * objc/objc-act.c (generate_method_descriptors): Register
2534 objc_method_prototype_template as a GC root.
2535 (comp_method_with_proto): Register function_type as a GC root.
2536 (comp_proto_with_proto): Replace function_type1 and
2537 function_type2 with a two-element array; register it as a GC root.
2539 (generate_protocols, build_protocol_initializer,
2540 generate_protocol_list, build_category_initializer,
2541 build_shared_structure_initializer): Do not cache cast_type
2544 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2546 * function.c (assign_parms): Add missing argument to set_mem_attributes
2549 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2551 * tree.h (VOID_TYPE_P): New macro.
2552 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2553 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2554 (get_parm_info): Likewise.
2555 (store_parm_decls): Likewise.
2556 (combine_parm_decls): Likewise.
2557 (finish_function): Likewise.
2558 * c-typeck.c (build_function_call): Likewise.
2559 (build_binary_op): Likewise.
2560 (build_conditional_expr): Likewise.
2561 (internal_build_compound_expr): Likewise.
2562 (convert_for_assignment): Likewise.
2563 * stmt.c (expend_expr_stmt): Likewise.
2564 (warn_if_unused_value): Likewise.
2565 (expand_return): Likewise.
2566 * c-parse.in (primary): Likewise.
2567 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2568 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2570 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2572 * alias.c (get_alias_set): If compnent is addressable, use alias
2574 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2575 (grokdeclarator): Likewise.
2576 * c-typeck.c (common_type): Likewise.
2578 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2580 * Makefile.in (OBJS): Remove dyn_string.o
2581 (dyn-string.o): Delete rule.
2582 * dyn-string.c: Delete file
2583 * dyn-string.h: Likewise.
2585 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2590 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2592 * alias.c (record_component_aliases): Don't inspect
2593 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2595 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2597 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2598 it with the pattern to do machine dependent work.
2599 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2600 use it to modify the true/false tests used in conditional
2601 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2602 defined, invoke them if the conversion to conditional execution
2603 was successful or not.
2605 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2606 (IFCVT_MODIFY_INSN): Ditto.
2607 (IFCVT_MODIFY_FINAL): Ditto.
2608 (IFCVT_MODIFY_CANCEL): Ditto.
2610 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2612 * toplev.c (main): Fix misspellings of possibility and language.
2614 2000-06-03 Richard Henderson <rth@cygnus.com>
2616 * alias.c (record_alias_subset): Initialize has_zero_child in the
2619 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2621 * arm.md (untyped_call): Use GEN_CALL macro.
2623 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2625 * Makefile.in: Use $(MAKE) not "make"
2627 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2629 * alias.c (struct alias_set_entry): New field has_zero_child.
2630 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2631 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2633 Call record_component_aliases for aggregate types.
2634 (record_alias_subset): Set has_zero_child.
2635 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2636 TYPE_NONALIASES_COMPONENT.
2637 (record_component_aliases, case RECORD_TYPE): Test
2638 DECL_NONADDRESSABLE_P.
2639 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2640 of TREE_ADDRESSABLE.
2641 * calls.c (initialize_argument_information): Only test
2642 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2643 * function.c (assign_parms): Likewise.
2644 * integrate.c (function_cannot_inline_p): Likewise.
2645 * stor-layout.c (finish_record_layout): Don't call
2646 record_component_aliases.
2647 * tree.h (struct tree_int_cst): Use struct tree_common.
2648 (struct tree_real_cst, struct tree_string): Likewise.
2649 (struct tree_complex, struct tree_identifier): Likewise.
2650 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2651 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2652 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2653 (TYPE_NONALIASES_COMPONENT): New macro.
2654 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2655 (DECL_NONADDRESSABLE_P): New macro.
2656 (struct tree_decl): Reorder bits for clarity of how many left;
2659 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2661 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2662 * mklibgcc.in (force): New target.
2663 Make LIB2ADD stuff depend on it.
2665 2000-06-02 Richard Henderson <rth@cygnus.com>
2667 * alias.c (lang_get_alias_set): Remove.
2668 (get_alias_set): Call it directly, not indirectly.
2669 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2670 * c-common.h (c_get_alias_set): Don't declare.
2671 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
2672 * expr.h (lang_get_alias_set): Declare as function, not pointer.
2674 2000-06-02 Bruce Korb <bkorb@gnu.org>
2676 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
2677 (server_setup): define the server's master pid
2678 (close_server): actually do the deed IFF we are the server's master
2680 2000-06-02 Jakub Jelinek <jakub@redhat.com>
2682 * c-common.c (c_get_alias_set): Check whether signed_type did not
2683 return its argument before calling get_alias_set on the result.
2685 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
2687 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
2689 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2691 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
2692 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
2693 for TARGET_NOMACSAVE.
2694 (NOMACSAVE_BIT): Define.
2695 (TARGET_NOMACSAVE): Define.
2696 (TARGET_SWITCHES): Add "nomacsave".
2698 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
2700 * sh.md (untyped_call): Remove excess parameters
2702 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
2704 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
2705 match that used before the conversion to c_fix style.
2706 * fixinc/fixincl.x: regenerate
2708 2000-06-01 Stan Cox <scox@cygnus.com>
2710 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
2711 macro argument typo.
2713 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
2715 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
2717 * cpplib.c (parse_include): Remove support for VAX-C
2718 "#include starlet" misfeature.
2720 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
2722 * cppfiles.c: conditionally define O_BINARY.
2723 (open_include_file): pass O_BINARY to open().
2725 2000-06-01 Richard Henderson <rth@cygnus.com>
2727 * i960.c (i960_br_predict_opcode): Remove.
2728 (i960_print_operand) [+]: Emit branch prediction hints.
2729 (i960_function_arg): Return early for VOIDmode.
2730 (i960_round_align): Return early for incomplete types.
2731 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2732 * i960.md (all conditional branches): Add "%+".
2734 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2736 * alias.c (get_alias_set): Don't call language-specific routine more
2737 than is needed and clean up code a bit.
2738 * c-common.c (c_get_alias_set): All references whose type
2739 is char get alias set 0, but character types need not.
2740 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
2741 (make_decl_rtl): Don't call it for FUNCTION_DECL.
2743 2000-06-01 Bruce Korb <bkorb@gnu.org>
2745 * fixinc/tests/base/...: new base result files
2747 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2749 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
2750 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
2751 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
2754 2000-06-01 Richard Henderson <rth@cygnus.com>
2756 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
2758 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
2760 2000-05-31 Richard Henderson <rth@cygnus.com>
2762 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
2763 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
2764 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
2766 2000-05-31 Richard Henderson <rth@cygnus.com>
2768 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
2769 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
2770 (ia64_print_operand) [+]: ... here. Use current_output_insn.
2771 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
2772 * config/ia64/ia64.md (all branch/call patterns): Use %+.
2774 2000-05-31 Richard Henderson <rth@cygnus.com>
2776 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
2778 2000-05-31 Richard Henderson <rth@cygnus.com>
2780 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
2782 (find_if_block): Allow THEN with no outgoing edges.
2783 * flow.c (merge_blocks_nomove): Remove a barrier not following
2786 2000-05-31 Richard Henderson <rth@cygnus.com>
2788 * flow.c (propagate_block): Move initialization of mem_set_list ...
2789 (init_propagate_block_info): ... here. Also track blocks with
2790 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
2792 2000-05-31 Richard Henderson <rth@cygnus.com>
2794 * jump.c (jump_optimize_1): Revert 05-18 change.
2796 2000-05-31 Mark Mitchell <mark@codesourcery.com>
2798 * invoke.texi: Remove documentation for -fguiding-decls.
2800 2000-05-31 Richard Henderson <rth@cygnus.com>
2802 * configure.in: Fix typo last change.
2804 2000-05-31 Philipp Thomas <pthomas@suse.de>
2806 * configure.in (enable-nls): Enable if build == host, i.e. when
2807 not building a canadian cross compiler.
2808 (enable-maintainer-mode): Added for use with i18n.
2809 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
2810 cross section of ALL_LINGUAS and LINGUAS.
2811 * configure: Rebuild.
2813 2000-05-31 Bruce Korb <bkorb@gnu.org>
2815 * fixinc/check.tpl: rework to use test result tree
2816 * fixinc/Makefile.in: change invocation of check script
2817 * fixinc/check.diff: No longer needed
2818 * fixinc/fixincl.x: regenerate
2819 * fixinc/inclhack.def: add new tests
2820 * fixinc/tests/base/arch/i960/archI960.h: New test result
2821 * fixinc/tests/base/curses.h: modified test result
2822 * fixinc/tests/base/stdio.h: ditto
2823 * fixinc/tests/base/time.h: ditto
2824 * fixinc/tests/base/sys/asm.h: ditto
2825 * fixinc/tests/base/sys/stat.h: ditto
2826 * fixinc/tests/base/sys/wait.h: ditto
2828 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
2830 * except.c (clear_function_eh_region): Do not free NULL.
2832 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2834 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
2835 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
2836 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
2837 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
2838 (find_base_decl): New function, from c_find_base_decl in c-common.c.
2839 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
2840 (get_alias_set): Likewise.
2841 Major rework to do more things and allow language-specific code
2842 to just handle special-cases.
2843 (record_alias_subset): Args are HOST_WIDE_INT.
2844 (record_component_alias): Local vars are HOST_WIDE_INT.
2845 Don't handle COMPLEX_EXPR.
2846 (get_varargs_alias_set): Moved from builtins.c.
2847 (get_frame_alias_set): New function.
2848 * builtins.c (expand_builtin_return_address): Use frame alias set.
2849 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
2851 (get_memory_rtx): Rework to use set_mem_attributes.
2852 (get_varargs_alias_set): Deleted from here.
2853 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
2854 (c_find_base_decl): Deleted from here.
2855 (c_get_alias_set): Remove many cases and rework to just handle
2857 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
2858 * c-decl.c (rtl.h, expr.h): Now included.
2859 (init_decl_processing): Call record_component_aliases on array types.
2860 (grokdeclarator): Likewise.
2861 Set TREE_ADDRESSABLE for all fields that are not bitfields.
2862 * c-typeck.c (common_type): Call record_component_aliases for array.
2863 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
2864 Set all save areas to the frame alias set.
2865 * calls.c (initialie_argument_information): Call set_mem_attributes.
2866 (compute_argument_addresses, expand_call): Likewise.
2867 * explow.c (set_mem_attributes): New function.
2868 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
2869 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
2870 LEN and OFFSET now HOST_WIDE_INT.
2871 (clear_by_pieces): Similar changes.
2872 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
2873 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
2874 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
2875 (clear_by_pieces_1): Likewise.
2876 (emit_push_insn): Call set_mem_attributes.
2877 (expand_expr, case INDIRECT_REF): Likewise.
2878 (expand_expr, case VAR_DECL): Call change_address.
2879 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
2881 (get_varargs_alias_set, get_frame_alias_set): New decls.
2882 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
2883 (new_alias_set, set_mem_attributes): Likewse.
2884 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
2885 (assign_stack_temp_for_type): Likewise.
2886 Can split slot even if alias set since can copy.
2887 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
2888 (assign_temp): Use host_integerp and tree_low_cst.
2889 (put_var_into_stack): Properly handle SAVE_EXPR.
2890 (put_addressof_into_stack): Likewise.
2891 (assign_parms): Call set_mem_attributes.
2893 (fix_lexical_address): Put reference to chain into frame alias set.
2894 (expand_function_start): Call set_mem_attributes.
2895 * integrate.c (expand_inline_function): Likewise.
2896 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
2897 * regmove.c (try_apply_stack_adjustment): Likewise.
2898 * reload.c (push_reload, make_memloc): Likewise.
2899 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
2900 * rtl.def (MEM): Update comment.
2901 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
2902 (move_by_pieces): Change length to HOST_WIDE_INT.
2903 (record_base_value, record_alias_subset): Delete from here.
2904 * stmt.c (expand_decl): Call set_mem_attributes.
2905 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2906 * toplev.c (compile_file): Call init_alias_once earlier.
2907 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2908 from here: now in alias.c.
2909 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2910 (struct tree_decl): Likewise.
2911 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2912 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2913 (output_constant_def, force_const_mem): Likewise.
2915 * flow.c (propagate_block): If block has no successors, stores to
2916 frame are dead if not used.
2918 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2920 * stmt (expand_end_case): Reorder conversion sequence for jump
2921 table to avoid extra truncations.
2923 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2925 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2926 in the block is more than just a simple conditional branch.
2927 (noce_process_if_block): Similarly.
2929 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2931 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2934 2000-05-30 Michael Meissner <meissner@redhat.com>
2936 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2937 instructions. Treat LO_SUM operations as loading the full integer
2940 2000-05-30 Richard Henderson <rth@cygnus.com>
2942 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2944 2000-05-30 Richard Henderson <rth@cygnus.com>
2946 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2948 2000-05-30 Bruce Korb <bkorb@gnu.org>
2950 * fixinc/tests/*: Added expected result files for fixinc's make check
2951 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2953 2000-05-30 Richard Henderson <rth@cygnus.com>
2955 * config/alpha/alpha.md (*setne_internal): Use match_operator
2956 instead of working down from insn.
2958 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2960 * invoke.texi (-Wtraditional): Update WRT function macros.
2962 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2964 * except.c (free_exception_table): Do not free NULL.
2966 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2968 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2969 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2972 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2974 * flow.c (mark_used_reg): If a register is unconditionally live,
2975 remove any conditional death information.
2977 2000-05-29 Richard Henderson <rth@cygnus.com>
2979 * final.c (current_output_insn): New.
2980 (final_scan_insn): Set it.
2981 * output.h: Declare it.
2983 2000-05-29 Richard Henderson <rth@cygnus.com>
2985 * stor-layout.c (finalize_record_size): Fix typo.
2987 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2990 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2992 * cpplib.h (cpp_reader): Remove if_stack. Change
2993 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2994 * cpphash.h (struct ihash): Change control_macro to a
2995 cpp_hashnode * and shorten name to cmacro.
2996 Add NEVER_REINCLUDE constant.
2998 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2999 Examine the cmacro node directly, no need to call cpp_defined.
3000 (_cpp_execute_include, read_include_file): Set cmacro to
3001 NEVER_REINCLUDE, not U"".
3002 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3003 (cpp_get_token): If pfile->skipping is true, discard text and
3004 keep scanning until we hit a directive; don't expand macros.
3006 * cpplib.c (struct if_stack): Remove if_succeeded, add
3007 was_skipping. Change control_macro to a cpp_hashnode * and
3008 shorten name to cmacro. Remove typedef IF_STACK.
3009 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3010 (conditional_skip, skip_if_group,
3011 consider_directive_while_skipping): Delete.
3012 (push_conditional): New.
3013 (_cpp_handle_directive): Don't process directives other than
3014 conditionals if we are skipping.
3016 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3017 Update to new scheme.
3018 (validate_else): Skip rest of line here, unconditionally.
3019 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3020 pfile->skipping off.
3022 (all): Remove `scare quotes' from error messages.
3024 2000-05-29 Richard Henderson <rth@cygnus.com>
3026 * function.c (emit_return_into_block): New line_note arg; emit it.
3027 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3028 for the close brace to accompany HAVE_return. Move all line notes
3029 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3031 2000-05-29 Richard Henderson <rth@cygnus.com>
3033 * longlong.h [__alpha] (count_leading_zeros): New.
3034 (count_trailing_zeros): New.
3035 (COUNT_LEADING_ZEROS_0): New.
3037 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3038 (alpha_split_conditional_move): New.
3039 * config/alpha/alpha-protos.h: Prototype them.
3040 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3041 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3042 * config/alpha/alpha.md: Update ffs cix commentary.
3044 (*nabssf2, *nabsdf2): New.
3045 (*mov[qhsd]icc_internal): Use add_operand.
3046 (if_then_else constant splitters): New.
3047 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3048 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3050 2000-05-29 Richard Henderson <rth@cygnus.com>
3052 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3053 a constant to NEG or NOT when conditions allow.
3055 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3056 unless both args are general_operand. Don't canonicalize plus
3057 to ior unless it helps.
3059 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3060 instead track register_life_up_to_date. Toggle no_new_pseudos
3063 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3065 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3066 so output_operand doesn't see them.
3068 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3070 * lcm.c (make_preds_opaque): Fix comment.
3071 (optimize_mode_switching): Use NORMAL_MODE instead of
3072 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3073 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3074 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3075 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3076 (MODE_USES_IN_EXIT_BLOCK): Delete.
3077 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3078 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3079 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3080 (MODE_NEEDED): Don't look for USE.
3081 (EPILOGUE_USES): Define.
3083 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3085 * mklibgcc.in (all): Variable initialised to `libgcc'.
3087 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3089 * toplev.h (skip_leading_substring): New macro.
3090 * toplev.c (decode_f_option): Use skip_leading_substring instead
3092 (decode_W_option): Likewise.
3094 2000-05-28 Nick Clifton <nickc@cygnus.com>
3096 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3099 2000-05-28 Richard Henderson <rth@cygnus.com>
3101 * regclass.c (record_operand_costs): Protect reg_changes_size
3102 with CLASS_CANNOT_CHANGE_SIZE.
3104 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3106 2000-05-28 Richard Henderson <rth@cygnus.com>
3108 * function.c (diddle_return_value): A pcc-style struct return
3111 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3113 * cppfiles.c: Read files in, using mmap if possible, then
3114 prescan them separately.
3115 (read_file, read_with_read): New functions.
3116 * cpplex.c: Don't define UCHAR_MAX.
3117 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3120 * cppinit.c (handle_option): Automatically define __cplusplus,
3121 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3122 the respective -lang switch.
3124 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3125 prototype): Move to...
3126 * cpplib.h: ... here. Rename struct hashnode to struct
3127 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3128 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3130 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3132 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3134 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3135 (class_can_change_size): New variable.
3136 (reg_changes_size): New variable.
3137 (init_reg_sets_1): Initialise class_can_change_size.
3138 (record_operand_costs): Remove subreg_changes_size.
3139 Don't pass it around. Instead update reg_changes_size.
3140 (regclass): Initialise and free reg_changes_size. If a register
3141 changes size, don't preference it to a class that contains
3142 registers that can't change size.
3143 (record_reg_classes): Don't look at subreg_changes_size.
3145 2000-05-27 Richard Henderson <rth@cygnus.com>
3147 * print-rtl.c (reg_names): Remove const.
3148 * regclass.c (reg_names): Likewise.
3149 * regs.h (reg_names): Likewise.
3150 * hard-reg-set.h (reg_names): Likewise.
3152 2000-05-27 Richard Henderson <rth@cygnus.com>
3154 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3156 2000-05-27 Richard Henderson <rth@cygnus.com>
3158 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3159 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3160 (alpha_expand_prologue): Emit prologue_mcount if needed.
3161 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3162 * config/alpha/alpha.md (prologue_mcount): New.
3163 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3164 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3165 * config/alpha/netbsd.h: Likewise.
3167 2000-05-27 Richard Henderson <rth@cygnus.com>
3169 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3170 change to config/elfos.h.
3172 2000-05-27 Richard Henderson <rth@cygnus.com>
3174 * Makefile.in (resource.o): Depend on except.h.
3175 * except.h (output_exception_table_data): Prototype.
3176 * genconfig.c (gen_peephole2): Prototype.
3177 * genemit.c (main): Include ggc.h.
3178 * genoutput.c: Revert parts of last change: include errors.h
3179 (main): Set progname.
3180 * recog.c: Include hard-reg-set.h before recog.h.
3181 * resource.c: Include except.h.
3183 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3185 (alpha_write_linkage): Protect with BUFSIZ.
3186 (alpha_need_linkage): Update prototype.
3187 * config/alpha/alpha.c (function_arg): Move VMS code here.
3188 (alpha_links_base): Remove.
3190 (mark_alpha_links_node, mark_alpha_links): New.
3191 (alpha_write_one_linkage): New.
3192 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3193 (alpha_write_linkage): Use splay_tree_foreach.
3194 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3195 to get the linkage symbol.
3196 (call_value_vms): Likewise.
3197 * config/alpha/elf.h (output_file_directive): Remove decl.
3198 (ctors_section, dtors_section): Prototype.
3199 (sbss_section, sdata_section): Prototype.
3200 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3201 (readonly_section, link_section, literals_section): Prototype.
3202 (ctors_section, dtors_section): Prototype.
3203 (vms_valid_decl_attribute_p): Remove decl.
3204 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3206 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3208 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3210 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3211 substituting the REG in a (subreg:X (reg:Y ...)).
3213 2000-05-28 Neil Booth <NeilB@earthling.net>
3215 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3216 first token of a line BOL. Update EOF code for this.
3217 Remove illegal directive check - it appears in the (not
3218 yet committed) caller.
3219 * cpplib.h (BOL): New flag.
3221 2000-05-28 Neil Booth <NeilB@earthling.net>
3223 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3224 (_cpp_free_toklist): No comment space to free.
3225 (expand_comment_space): Remove.
3226 (save_comment_space): Place the comment in the current token and
3227 not in a separate comment space.
3228 (_cpp_lex_line): Save comments during plain code and #define
3230 * cpplib.h (struct _cpp_toklist): Remove comment space.
3232 2000-05-28 Neil Booth <NeilB@earthling.net>
3234 * cppexp.c (parse_assertion): Supply extra argument to
3236 * cpplib.c (do_assert, do_unassert): Similarly.
3237 * cpphash.h (_cpp_init_toklist) Update.
3238 (_cpp_expand_token_space): New.
3239 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3240 * cpplex.c (_cpp_init_toklist): New argument.
3241 (parse_string2): New argument multiline_ok.
3242 (spell_token): Take a const cpp_token *.
3243 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3244 (SPELL_ macros): Replace with enum.
3245 (expand_token_space): Replace with _cpp_expand_token_space.
3246 Take COUNT argument.
3247 (IS_DIRECTIVE): Update.
3248 (_cpp_lex_line): Update token structure before parsing number.
3249 Don't assume start at beginning of token list.
3250 (save_comment): Use INIT_TOKEN_NAME.
3252 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3254 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3255 -Wmissing-prototypes.
3256 * configure: Regenerate.
3257 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3259 * builtins.c, calls.c: Change all instances of gen_call_* or
3260 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3261 * calls.c (struct_value_size_rtx): Separate definition from
3262 initialization to avoid unused variable warning.
3264 * genflags.c (gen_macro): New function.
3265 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3266 (gen_nonproto): Delete.
3267 (gen_insn): Put all insns on the same obstack.
3268 (main): Generate prototypes for everything unconditionally.
3270 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3271 out check for wchar_t.
3272 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3273 * system.h: Add infrastructure for defining missing
3274 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3275 definitions of UCHAR_MAX and SSIZE_MAX.
3276 * configure: Regenerate.
3277 * config.in: Regenerate.
3279 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3280 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3282 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3283 libgcc2.a, or libgcc1.null.
3285 2000-05-27 Richard Henderson <rth@cygnus.com>
3287 * Makefile.in (recog.o): Don't depend on resource.h.
3288 * recog.c: Don't include resource.h.
3289 (recog_last_allowed_insn): Remove.
3290 (recog_next_insn): Remove.
3291 (struct peep2_insn_data): New.
3292 (peep2_insn_data, peep2_current): New.
3293 (peep2_next_insn): New.
3294 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3295 (peep2_find_free_register): New.
3296 (peephole2_optimize): Track life information by insn as we go.
3297 * recog.h: Update declarations.
3298 * resource.c (find_free_register, reg_dead_p): Remove.
3299 * resource.h: Remove their declarations.
3300 * toplev.c: Include hard-reg-set.h before recog.h.
3302 * genconfig.c (max_insns_per_peep2): New.
3303 (gen_peephole2): New.
3305 * genemit.c (output_peephole2_scratches): Generate calls to
3306 peep2_find_free_register; adjust surrounding code.
3307 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3308 * genrecog.c (change_state): Don't track last_insn.
3309 (write_action): Write into *_pmatch_len before accepting.
3310 (write_tree): Adjust peephole2_insns and subroutines to match.
3312 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3314 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3315 (hard_int_register_operand): New.
3316 * config/alpha/alpha-protos.h: Declare it.
3317 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3318 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3319 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3321 2000-05-27 Richard Henderson <rth@cygnus.com>
3323 * function.c (thread_prologue_epilogue_insns): Don't move the
3324 line note at the head of the chain. Only force a lineno note
3325 before the end of block 0.
3327 2000-05-27 Richard Henderson <rth@cygnus.com>
3329 * gensupport.c (collect_insn_data): Record the maximum number
3330 of alternatives, not the last seen.
3332 * genoutput.c: Don't include errors.h.
3333 (struct data): Add lineno member.
3335 (scan_operands): Use message_with_line instead of error.
3336 (validate_insn_alternatives): Likewise.
3337 (gen_insn): Accept and store the pattern's line number.
3338 (gen_peephole, gen_expand, gen_split): Likewise.
3339 (main): Don't set progname. Pass line_no to gen_foo.
3341 2000-05-27 Richard Henderson <rth@cygnus.com>
3343 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3344 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3345 * config/d30v/d30v.md (attr predicable): New.
3346 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3347 (andsi3*): Unify into one pattern.
3348 (iorsi3*, xorsi3*): Likewise.
3349 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3351 (old cond_exec patterns): Remove.
3352 (define_cond_exec): New.
3354 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3356 * tree.h (TREE_CODE_LENGTH): New macro.
3357 * c-common.c (c_find_base_decl): Use it.
3358 * expr.c (safe_from_p): Likewise.
3359 * print-tree.c (print_node): Likewise.
3360 * tree.c (make_node, copy_node, get_identifier): Likewie.
3361 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3362 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3363 * fold-const.c (make_range): Likewise.
3364 (fold): Likewise; also use first_rtl_op.
3365 * c-iterate.c (collect_iterators): Use first_rtl_op.
3366 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3367 Use IS_EXPR_CODE_CLASS.
3368 (preexpand_calls): Likewise.
3369 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3370 and TREE_CODE_LENGTH.
3371 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3373 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3375 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3377 (movdi_internal64): Likewise.
3379 * config/rs6000/rs6000.md: Correct order of operands for DImode
3382 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3383 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3384 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3385 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3386 boolean_operator for the boolean patterns without NOTs.
3388 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3389 from reg_or_u_cint_operand. Change comment and behaviour.
3390 (logical_operand): Clean up, add assertion.
3391 (non_logical_cint_operand): Also check for
3392 reg_or_logical_cint_operand.
3393 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3394 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3400 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3402 * tree.h (struct record_layout_info): Rename to (struct
3403 record_layout_info_s).
3404 * stor-layout.c (start_record_layout): Replace
3405 `record_layout_info' with `record_layout_info_s'.
3407 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3409 * flow.c (find_label_refs): New function.
3410 (find_basic_blocks_1): Call it for each alternative of a call
3413 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3415 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3418 2000-05-25 Richard Henderson <rth@cygnus.com>
3420 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3421 so strict about DImode.
3422 (alpha_swapped_comparison_operator): Likewise.
3423 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3424 any integer output mode.
3425 (*setcc_internal): Likewise.
3426 (*setcc_swapped_internal): Likewise.
3427 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3428 (*mov[qhs]icc_internal): New.
3429 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3431 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3433 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3435 2000-05-25 Richard Henderson <rth@cygnus.com>
3437 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3438 Remove add_jump; add next; replace flags with visited.
3440 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3441 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3442 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3443 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3445 (reorder_index, reorder_last_visited): Remove.
3446 (skip_insns_after_block): Rewrite to use a switch.
3447 (get_common_dest): Remove.
3448 (chain_reorder_blocks): Remove.
3449 (record_effective_endpoints): Split out from reorder_basic_blocks.
3450 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3451 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3452 Only construct the reorder chain, do not move insns. Try harder
3454 (label_for_bb, emit_jump_to_block_after): New.
3455 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3456 and adjust the jump insns appropriately. Fixup basic_block_info.
3457 (verify_insn_chain): Always define.
3458 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3460 (make_new_scope): Don't write zeros to calloc'd space.
3461 (build_scope_forest): Rely on xrealloc to DTRT.
3462 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3463 profile_arc_flag. Streamline EH test.
3465 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3466 * basic-block.h: Declare them.
3468 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3470 * emit-rtl.c (reset_used_decls): New function.
3471 (unshare_all_rtl_again): Call it.
3473 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3475 * cpplex.c (maybe_macroexpand): Warn about function-like
3476 macros used in non-function context, if -Wtraditional.
3478 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3480 * recog.c (peephole2_optimize): Use INSN_P.
3482 2000-05-25 Richard Henderson <rth@cygnus.com>
3484 * ifcvt.c (seq_contains_jump): New.
3485 (noce_try_store_flag_constants): Use it to fail conversion.
3486 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3488 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3490 * except.h (can_throw): Declare it.
3491 * except.c (can_throw): Give it external linkage.
3492 * resource.c (find_dead_or_set_registers): Use can_throw.
3494 2000-05-25 Richard Henderson <rth@cygnus.com>
3496 * flow.c (mark_set_1): Don't record conditionally dead memory.
3498 2000-05-25 Jan Hubicka <jh@suse.cz>
3500 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3501 and pc_set at the place of simplejump_p and condjump_p.
3502 * cse.c (record_jump_equiv): Likewise.
3503 * emit-rtl.c (emit): Likewise.
3504 * explow.c (find_next_ref): Likewise.
3505 * flow.c (tidy_fallthru_edge): Likewise.
3506 (init_propagate_block_info): Likewise.
3507 * gcse.c (delete_null_pointer_checks): Likewise.
3508 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3509 dead_or_predicable): Likewise.
3510 * integrate.c (copy_insn_list): Likewise.
3511 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3512 for_each_insn_in_loop, check_dbra_loop, get_condition,
3513 insert_bct, load_mems): Likewise.
3514 * resource.c (find_dead_or_set_registers): Likewise.
3515 * sibcalls.c (simplejump_p): Likewise.
3516 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3518 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3520 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3521 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3523 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3524 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3525 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3526 * rs6000.md: Name various internal patterns.
3528 2000-05-25 Jan Hubicka <jh@suse.cz>
3530 * jump.c (invert_exp_1): Remove first argument, use pc_set
3531 to get the expression.
3532 (redirect_exp): Make static; redirect only the pc_set expression,
3533 remove first argument.
3534 (invert_exp): Remove first argument, make static.
3535 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3536 any_onlyjump at most places where we originaly did condjump_p
3538 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3539 (delete_barrier_succesors): Use pc_set.
3540 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3541 calls of invert_exp and redirect_exp.
3542 * rtl.h (redirect_exp, invert_exp): Remove.
3543 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3545 2000-05-25 Richard Henderson <rth@cygnus.com>
3547 * stmt.c (expand_end_bindings): Fix thinko last change.
3549 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3550 Andrew Haley <aph@cygnus.com>
3552 * except.c (func_eh_entry): Add emitted field.
3553 (new_eh_region_entry): Set emitted field to 0;
3554 (output_exception_table_entry): Only emit previously un-emitted data,
3555 and send it to the eh_data section.
3556 (output_exception_table): Break out common parts. Output
3557 exception table for entire compilation unit to eh_data section.
3558 (output_exception_table_data): Common parts of output_exception_table.
3559 Send output to eh_data section.
3560 (output_function_exception_table): Output exception table data for
3561 a single function to eh_data section.
3562 (free_exception_table): New external to free the table.
3563 * except.h (free_exception_table): Add prototype.
3564 (output_function_exception_table): Add prototype.
3565 * final.c (final_end_function): Output function exception table
3566 for IA64_UNWIND_INFO.
3567 (final_scan_insn): Emit any unwind directives for an insn.
3569 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3571 * frame.c: Remove all DWARF 2 specific code.
3572 * config/ia64/frame-ia64.c: New file.
3573 (gthread_stuff): Make all gthread available with
3575 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3576 (__register_frame_info, __register_frame): Move to common area of file.
3577 (__register_frame_info_table, __register_frame_table): Move to common i
3579 (__deregister_frame_info, __deregister_frame): Move to common area.
3580 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3581 (read_uleb128): New version for ia64.
3582 (get_unwind_record): Read the next IA-64 unwind record.
3583 (read_R_record): Read a region header record.
3584 (process_a_b_reg_code): X record helper.
3585 (read_X_record): Read an X format record.
3586 (read_B_record): Read a B format record.
3587 (P3_record_types): List of record types matching the P3 format.
3588 (P7_record_types): List of record types matching the P7 format.
3589 (P8_record_types): List of record types matching the P8 format.
3590 (read_P_record): Read a P format record.
3591 (init_ia64_reg_loc): Set default fields for a register.
3592 (init_ia64_unwind_frame): Set defaults for all register records.
3593 (execute_one_ia64_descriptor): Execute one descriptor record.
3594 (rse_address_add): Calculate the position of a local reg in memory.
3595 (normalize_reg_loc): Turn a location descriptor into a memory address.
3596 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3597 within a specified PC offset range.
3598 (get_real_reg_value): Given a register location, retrieve its value.
3599 (set_real_reg_value): Change the value of a register location.
3600 (copy_reg_value): Copy reg values, if needed.
3601 (copy_saved_reg_state): Copy all registers that need to be copied.
3602 (process_state_between): Normalize all frame register records that
3603 fall within the specified PC range.
3604 (frame_translate): Take a processed frame description, and turn
3605 everything into addresses.
3606 (build_ia64_frame_state ): Find and create frame state record for a PC.
3607 (get_personality): Get the personality routine for a given frame.
3608 (get_except_table): Get the exception table for a given frame.
3609 (record_name): Unwind record names for debugging.
3610 (print_record): Print and unwind record.
3611 (print_all_records): Print an entire unwind image.
3612 (__ia64_backtrace): Print a backtrace.
3613 (ia64_backtrace_helper): New function.
3614 (__register_frame_info_aux): New function.
3615 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3617 * frame.h (enum unw_record_type): New unwind record types.
3618 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3619 (struct unw_r_record, unwind_record): New unwind record structs.
3620 (struct unwind_info_ptr): Unwind information layout.
3621 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3623 (struct ia64_reg_loc): Register location description.
3624 (struct ia64_frame_state): Location of all registers in a frame.
3625 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3626 * libgcc2.c (__ia64_personality_v1): Personality routine.
3627 (__calc_caller_bsp): Calculate the bsp register for the caller's
3629 (ia64_throw_helper): Figure out who to return to and set up the
3631 (__throw): Throw routine.
3633 * output.h (assemble_eh_align, assemble_eh_label): New functions
3634 to generate EH info where we want it.
3635 (assemble_eh_integer): New function.
3636 * toplev.c (compile_file): Output module level exception table for
3638 (main): Set exceptions_via_longjump and flag_new_exceptions based
3639 on IA64_UNWIND_INFO too.
3641 * varasm.c (assemble_eh_label): Generate a label via
3642 ASM_OUTPUT_EH_LABEL if it has been specified.
3643 (assemble_eh_align): Generate an alignment directive via
3644 ASM_OUTPUT_EH_ALIGN if it has been specified.
3645 (assemble_eh_label): Generate an integer value via
3646 ASM_OUTPUT_EH_type if they have been specified.
3647 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3648 (ia64_init_builtins): Add __builtin_ia64_bsp
3649 and __builtin_ia64_flushrs.
3650 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3651 IA64_BUILTIN_FLUSHRS.
3652 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3653 IA64_BUILTIN_FLUSHRS.
3655 * config/ia64/ia64.md (flushrs): New insn to flush the register
3656 stack. Add to unspec list.
3658 * config/ia64/crtbegin.asm (frame_object): Change size.
3659 (__do_frame_setup_aux): New function.
3660 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3661 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3662 * Makefile.in (LIB2ADDEH): Add.
3663 (LIB2ADD): Use LIB2ADDEH.
3665 2000-05-24 Richard Henderson <rth@cygnus.com>
3667 * recog.c (offsettable_address_p): If mode size is zero, assume
3670 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
3672 * configure.in: Check for -Wno-long-long option support and improve
3673 handling of warning CFLAGS for stages 1 and 2.
3674 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
3675 * configure: Regenerate.
3677 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
3679 * gcc.texi: Remove contributor list. Instead include contrib.texi.
3680 * contrib.texi: New file.
3682 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3684 * loop.c (basic_induction_var): Avoid double recording of an increment.
3686 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3688 * Back out this patch:
3689 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
3690 * loop.h (struct induction): Add multi_insn_incr.
3691 * loop.c (basic_induction_var): New multi_insn_incr argument.
3692 Set it if we search back through previous insns for the biv.
3693 (record_biv): New multi_insn_incr argument; fill in struct induction.
3694 (strength_reduce): Discard an iv with multiple bivs, any of
3695 which require multiple insns to increment.
3697 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
3699 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3701 * rtl.h (loc_mentioned_in_p): Declare.
3702 * reload.c (loc_mentioned_in_p): Moved from here...
3703 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
3704 Fix loop increment for 'E' handling.
3705 * loop.c (strength_reduce): When doing biv->giv conversion,
3706 take multi-insn biv increments into account.
3708 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
3710 * stmt.c (expand_end_bindings): Look through NOTEs to find a
3713 2000-05-24 Mark Mitchell <mark@codesourcery.com>
3715 * calls.c (expand_call): Handle cleanups in tail-recursion
3716 arguments analagously to cleanups in sibling calls.
3718 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3720 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
3721 All callers changed.
3723 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3725 * expr.c (expand_assignment, store_expr, expand_expr,
3726 expand_expr_unaligned): Set in_check_memory_usage while emitting
3727 chkr_check_addr libcall.
3729 2000-05-24 Nick Clifton <nickc@cygnus.com>
3731 * fold-const.c (extract_muldiv): When constructing a
3732 multiplier/divisor, do not expect const_binop to correctly
3733 determine if overflow has occured, so check explicitly.
3735 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
3737 * c-decl.c (build_enumerator): Don't modify the value's type,
3740 2000-05-24 Andreas Jaeger <aj@suse.de>
3742 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
3744 2000-05-24 Eric Christopher <echristo@cygnus.com>
3746 * configure.in: Redefine inhibit_libc conditions.
3747 * libgcc2.c: Remove inhibit_libc conditional define.
3748 * configure: Regenerate.
3750 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
3752 * configure.in: For --enable-languages=LIST, check for empty LIST.
3753 * configure: Regenerate.
3755 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
3757 * pdp11.h (STACK_BOUNDARY): Define.
3759 2000-05-24 Jakub Jelinek <jakub@redhat.com>
3761 * ifcvt.c (if_convert): Update life info globally.
3763 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3765 * emit-rtl.c (unshare_all_decls): New function.
3766 (unshare_all_rtl): Call it.
3768 2000-05-23 Nick Clifton <nickc@cygnus.com>
3770 * configure.in: Treat 'strongarm' as if it were 'arm' when
3771 determining cpu type.
3773 * configure: Regenerate.
3775 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
3776 where constant strings are involved.
3778 * config/arm/arm.h (arm_condition_codes): Change type to 'const
3781 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
3782 cases where constant strings are involved.
3784 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
3786 * config/sh/sh.c (gen_far_branch, split_branches): Update
3787 to reflect new prototypes for redirect_jump and invert_jump.
3788 (sh_insn_length_adjustment): Get rid of const warnings.
3790 2000-05-23 Kazu Hirata <kazu@hxi.com>
3792 * invoke.texi (Options for Debugging Your Program or GCC): Update
3793 the names of dump files.
3795 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
3797 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
3798 * configure: Regenerated.
3800 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3802 * simplify-rtx.c (SIGN_EXTEND): New macro.
3803 (simplify_unary_operation, simplify_binary_operation,
3804 simplify_relational_operation): Use SIGN_EXTEND. Make low
3805 halves of (low, high) pairs unsigned if they weren't already.
3806 (simplify_ternary_operation): Cast INTVAL to unsigned before
3807 comparing to a MODE_BITSIZE.
3809 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
3812 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
3814 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
3815 gcc_AC_NEED_DECLARATIONS.
3817 * dwarfout.c: Don't prototype time().
3819 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
3821 * system.h: Likewise.
3823 * toplev.c: Likewise.
3825 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
3827 * c-decl.c (pushdecl): Invert sense of test for non-global types.
3829 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3831 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
3833 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
3835 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
3837 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3839 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
3840 (alpha_start_function): Never write ..ng label if VMS or NT.
3841 (alpha_align_insns): Remove GP_IN_USE arg.
3842 Alignment now unsigned.
3843 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
3844 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
3845 and two define_insn's.
3847 2000-05-22 Richard Henderson <rth@cygnus.com>
3849 * combine.c (simplify_comparison): Use trunc_int_for_mode.
3851 2000-05-22 Richard Henderson <rth@cygnus.com>
3853 * stor-layout.c (place_field): Change rli->size to rli->offset.
3855 2000-05-22 Richard Henderson <rth@cygnus.com>
3857 * function.c (thread_prologue_and_epilogue_insns): Make sure
3858 existing line number notes appear after the prologue.
3860 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3862 * config/alpha/alpha.c (alpha_fnname): New static variable.
3863 (print_operand, case '~'): New case.
3864 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
3865 (alpha_start_function): Set alpha_fnname.
3866 Write "ng" label if no ldgp; don't write ldgp insn.
3867 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
3868 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
3870 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
3872 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
3875 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
3877 * varasm.c (eh_frame_section): Revert change to argument list.
3879 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3881 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
3882 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
3884 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
3885 dangling "else" that causes "break" to be conditional.
3886 Also remove unneeded code at start.
3888 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
3890 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
3891 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
3892 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
3894 2000-05-22 Jakub Jelinek <jakub@redhat.com>
3896 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
3899 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3901 * alias.c (record_component_aliases): New function.
3902 * tree.h: Clean up some declarations and comments.
3903 (record_component_aliases): New declaration.
3904 * tree.c (get_alias_set): If type and has alias set, use it.
3906 2000-05-22 Richard Henderson <rth@cygnus.com>
3908 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3909 IF_THEN_ELSE to a setcc form.
3910 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3912 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3914 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3915 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3917 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3919 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3922 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3924 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3925 * config/mn10300/mn10300.c (print_operand): Likewise.
3927 * final.c (split_double): Right shift of negative values is not
3930 * ifcvt.c (if_convert): Scan and kill dead code.
3932 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3934 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3936 * diagnostic.c: Eliminate implicit int.
3937 * except.c, gcc.c: Add static prototypes.
3938 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3939 * gensupport.c (process_rtx): Use XVEC to initialize vector
3942 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3943 debug_reg_names instead of static reg_names. If not, define
3945 * regclass.c: Don't define global reg_names unless
3946 DEBUG_REGISTER_NAMES is defined.
3948 * reload1.c (order_regs_for_reload): Remove unused variable.
3949 * varasm.c: Include output.h after defaults.h. Define
3950 eh_frame_section as function of no args, not of unspecified args.
3952 * gcc.c: Constify argbuf; arguments to store_arg,
3953 process_command, main; elements of struct command and struct
3954 switchstr; local variables in execute, process_command, main.
3956 2000-05-20 Bruce Korb <bkorb@gnu.org>
3958 * fixinc/inclhack.def: many applications of c_fix=format + tests
3959 * fixinc/check.diff: regenerated
3960 * fixinc/fixincl.x: regenerated
3962 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3964 * alias.c: Clarify some comments.
3965 (record_base_value): REGNO is unsigned.
3966 * rtl.h (record_base_value): Likewise.
3968 * alias.c (aliases_everything_p): Don't special-case QImode here.
3969 * c-common.c (c_get_alias_set): Do it here.
3970 Handle BIT_FIELD_REF by getting alias info for arg.
3973 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3975 * mklibgcc.in: Restore rule to create ${dir}.
3977 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3979 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3980 GCC_FOR_TARGET used by MULTILIBS.
3981 * mklibgcc.in: Make sure each .o file depends on the
3982 directory it will be in.
3983 Make the multilib directory depends libgcc.
3985 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3987 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3989 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3991 * fold-const.c (make_range): Handle degenerated intervals.
3992 Fixes c-torture/execute/991221-1.c
3994 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3996 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3997 * reload.c (find_equiv_reg): Likewise.
3998 * alias.c (init_alias_analysis): Likewise.
3999 Only call prologue_epilogue_contains on insns.
4000 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4001 * bb-reorder.c (hard-reg-set.h): Include earlier.
4002 * haifa-sched.c (hard-reg-set.h): Likewise.
4003 * ifcvt.c (hard-reg-set.h): Likewise.
4004 * local-alloc.c (hard-reg-set.h): Likewise.
4005 * loop.c (hard-reg-set.h): Likewise.
4006 * predict.c (hard-reg-set.h): Likewise.
4007 * regrename.c (hard-reg-set.h): Likewise.
4008 * flow.c (hard-reg-set.h): Likewise.
4009 (reg_set_to_hard_reg_set): New function.
4010 * bitmap.c (regs.h, basic-block.h): No longer include.
4011 (bitmap.h): Now include.
4012 * conflict.c (hard-reg-set.h): Include.
4013 * profile.c (hard-reg-set.h): Likewise.
4014 * print-rtl.c (hard-reg-set.h): Likewise.
4015 * sbitmap.c (hard-reg-set.h): Likewise.
4016 * toplev.c (hard-reg-set.h): Likewise.
4017 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4018 * hard-reg-set.h (reg_names): Now constant.
4019 * regs.h (reg_names): Likewise.
4020 * regclass.c (reg_names): Likewise.
4021 * loop.h (basic-block.h): No longer include.
4022 (bitmap.h): Now include.
4023 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4024 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4025 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4027 2000-05-19 Jan Hubicka <jh@suse.cz>
4028 Richard Henderson <rth@cygnus.com>
4030 * basic-block.h (struct edge_def): New field "count".
4031 (struct basic_block_def): Likewise.
4032 * flow.c (entry_exit_blocks): Add count fileds.
4033 (split_edge): Keep count information up-to-date.
4034 (dump_edge_info, dump_flow_info): Dump count fields.
4036 * final.c (count_instrumented_edges): Rename to edge from arc.
4037 (end_final): Update users.
4038 * profile.c: Include expr.h, basic-block.h.
4039 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4040 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4041 (ignore_next_note, return_label_execution_count): Kill.
4042 (bbg_file_name, da_file_name): Kill.
4043 (edge_info, bb_info): New structures.
4044 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4045 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4046 (total_num_edges_instrumented): Likewise.
4047 (init_arc, expand_spanning_tree): Kill.
4048 (fill_spanning_tree, tablejump_entry_p): Kill.
4049 (instrument_edges): Rewrite from instrument_arcs to use
4050 commit_edge_insertions infrastructure.
4051 (compute_branch_probabilities): Remove arguments; rewrite for
4052 CFG infrastructure; use rtl_dump_file directly.
4053 (branch_prob, find_spanning_tree): Likewise.
4054 (union_groups, find_group): New.
4055 (init_branch_prob): Make bbg_file_name and da_file_name local.
4056 (end_branch_prob): Use rtl_dump_file directly.
4057 (init_edge_profiler): Rename to edge from arc.
4058 (output_arc_profiler): Kill.
4059 (gen_edge_profiler): New.
4060 (output_func_start_profiler): Turn off profiling. Make the
4061 constructor static when we can.
4062 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4064 * toplev.c (DFI_flow): Remove.
4065 (DFI_cfg, DFI_life): New.
4066 (dump_file): Update accordingly.
4067 (compile_file): Call end_branch_prob if profile_arc_flag too.
4068 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4069 profiling after the CFG is built. Move flow1 life analysis to
4070 DFI_life. Always estimate remaining probabilities.
4072 2000-05-19 Richard Henderson <rth@cygnus.com>
4074 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4076 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4078 2000-05-19 Richard Henderson <rth@cygnus.com>
4080 * jump.c (redirect_jump): Add delete_unused argument. Don't
4081 remove labels and code following when LABEL_NUSES goes to zero.
4082 (invert_jump): Likewise.
4083 (jump_optimize_1): Fix redirect/invert arguments.
4084 (do_cross_jump, thread_jumps): Likewise.
4085 * flow.c (split_edge): Likewise.
4086 * reorg.c (optimize_skip): Likewise.
4087 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4088 * profile.c (instrument_arcs): Likewise.
4089 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4090 * rtl.h: Update prototypes.
4092 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4094 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4096 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4099 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4101 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4102 past l1 when deleting whitespace and markers.
4104 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4105 * cpplib.c (do_unassert): Put the list to compare against on
4108 2000-05-19 Bruce Korb <bkorb@gnu.org>
4110 * fixinc/README: cleaned up old documentation
4111 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4112 * fixinc/check.tpl: compute the list of needed directories
4113 emit "#if defined(name)" because of conflict
4114 omit machine name differences from output differences
4115 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4116 (machine_name): change test text to use `sed' markers
4117 * fixinc/fixincl.x: regen
4119 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4121 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4124 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4126 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4127 it to match the current practice.
4129 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4131 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4133 2000-05-18 Richard Henderson <rth@cygnus.com>
4135 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4136 * rtl.h (insn_dependant_p): Declare it.
4137 * loop.c (strength_reduce): Use it.
4139 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4141 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4142 16-bit and 64-bit clean-up.
4144 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4146 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4147 * configure: Rebuilt.
4149 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4151 * genopinit.c: Use $ for escape sequences in optab patterns.
4152 Remove backslashes from optab patterns. Change $A, $B, $C to
4153 expand to (int) whatever instead of just whatever; remove
4154 explicit (int) from all optab patterns.
4156 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4157 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4158 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4159 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4162 2000-05-18 Richard Henderson <rth@cygnus.com>
4164 * jump.c (jump_optimize_1): Base minimum insn count during
4165 find_cross_jump on BRANCH_COST.
4167 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4169 * print-rtl.c (print_rtx): Only print note line number as string
4170 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4171 * final.c (final_scan_insn): Do nothing for note line number 0.
4173 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4175 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4176 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4177 NOTE_INSN_DELETED_LABEL.
4179 2000-05-18 Nick Clifton <nickc@cygnus.com>
4181 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4182 uninitialised data in .rodata not .bss, and do not interpret an
4183 error in the initialisation value as meaning that the variable
4184 should be placed in the .bss section.
4186 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4188 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4189 not `$ac_cv_prog_cc_cc_c_o'.
4190 * configure: Regenerated.
4192 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4193 Richard Henderson <rth@cygnus.com>
4195 * c-common.h (enum c_tree_index): Add g77 type entries.
4196 (g77_integer_type_node, g77_uinteger_type_node): New.
4197 (g77_longint_type_node, g77_ulongint_type_node): New.
4198 * c-decl.c (init_decl_processing): Initialize them.
4200 2000-05-18 Richard Henderson <rth@cygnus.com>
4202 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4204 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4205 (small_power_of_two): Likewise; use exact_log2.
4206 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4207 (output_adds_subs): Remove.
4208 (two_insn_adds_subs_operand): New.
4209 (split_adds_subs): New.
4210 * config/h8300/h8300-protos.h: Update.
4211 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4212 (CONST_OK_FOR_L): Match strict adds operands.
4213 (CONST_OK_FOR_N): Match struct subs operands.
4214 * config/h8300/h8300.md (adds_subs insns): Remove.
4215 (addhi patterns): Output adds/subs directly.
4216 (addsi_h8300h): Likewise.
4217 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4219 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4221 * cppexp.c (parse_assertion): New.
4222 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4223 (_cpp_parse_expr): Remove case '#'. Don't set
4224 parsing_if_directive.
4225 * cpphash.c (collect_objlike_expansion,
4226 collect_funlike_expansion, collect_params,
4227 _cpp_create_definition): The list no longer has a trailing
4229 * cpphash.h (enum node_type): Add T_ASSERTION.
4230 (struct hashnode): Remove aschain, add pred.
4231 (struct predicate): New.
4234 * cpplex.c (expand_token_space): Handle both offset and
4236 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4237 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4238 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4239 _cpp_equiv_toklists): New.
4240 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4241 stop at any single-character token, not just newline.
4242 (_cpp_lex_token): Remove special cases for #define and #if.
4243 (cpp_get_token): Expect # as a separate token type. Remove
4245 (_cpp_get_directive_token): Remove DIRECTIVE case.
4246 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4248 * cpplib.c (_cpp_check_directive): Set dirno and
4249 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4250 (_cpp_handle_directive): Run # <number> through the same logic
4251 as normal directives.
4252 (do_define): Don't set parsing_define_directive. Use
4253 _cpp_scan_until. The list does not have a VSPACE at the end.
4254 (do_if): Save, clear, and restore only_seen_white around
4256 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4257 (do_assert, do_unassert): Rewrite.
4259 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4260 (LIST_OFFSET): New flag.
4261 (struct cpp_toklist): Replace dir_handler and dir_flags with
4263 (struct cpp_reader): Remove parsing_if_directive and
4264 parsing_define_directive.
4266 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4269 following the cabs decl which terminate on the following line.
4270 Add the corresponding test_text case.
4272 2000-05-18 Neil Booth <NeilB@earthling.net>
4274 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4275 default tab stop size.
4276 (no_num, OPT_ftabstop): New.
4277 (handle_option): Handle "ftabstop=" command-line option.
4278 (print_help): Document it.
4279 * cpplex.c (COLUMN): Remove.
4280 (handle_newline): Reset col_adjust.
4281 (skip_whitespace): Update col_adjust as tabs encountered.
4282 (_cpp_lex_line): Update to use col_adjust. Call
4283 skip_whitespace for all whitespace.
4284 * cpplib.h (struct cpp_options): New member tabstop.
4285 (struct cpp_reader): New member col_adjust.
4286 (CPP_BUF_COL): Update.
4287 (CPP_BUF_COLUMN): New.
4288 * cpp.texi: Document "-ftabstop=" command line option.
4290 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4292 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4294 * configure: Rebuilt.
4296 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4298 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4300 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4301 HOST_BITS_PER_WIDE_INT is >= 64.
4303 2000-05-17 Richard Henderson <rth@cygnus.com>
4305 * jump.c (jump_optimize_1): Remove inactive but real insns
4306 in jump-to-next-insn optimization.
4308 2000-05-17 Richard Henderson <rth@cygnus.com>
4310 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4311 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4312 Don't call recompute_reg_usage if no_new_pseudos is true.
4313 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4314 Return true if we did work; update global life information.
4315 * basic-block.h (optimize_mode_switching): Update decl.
4317 2000-05-17 Neil Booth <neilb@earthling.net>
4319 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4321 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4323 * cpplib.c: New feature, #pragma system_header.
4324 * cpp.texi: Document special treatment of system headers, and
4325 the various mechanisms to get a header that special treatment.
4327 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4329 * system.h (offsetof): Define at the very end, to ensure we prefer
4330 the platform's definition if available.
4332 2000-05-16 Bruce Korb <bkorb@gnu.org>
4334 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4335 * fixinc/server.c: likewise
4336 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4337 + #ifdef debugging code + use #def constant for
4339 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4340 on C++ math namespace
4342 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4344 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4345 Don't check the return value of sprintf. Use asprintf to avoid
4348 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4350 * flags.h (warn_unused_function, warn_unused_label,
4351 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4352 Replace ``warn_unused''.
4353 (set_Wunused): Add declaration.
4354 * toplev.c (set_Wunused): New function.
4355 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4356 warn_unused_variable, warn_unused_value): New variables.
4357 (W_options): Add -Wunused-function, -Wunused-function,
4358 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4359 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4361 * toplev.c (decode_W_option): Update -Wunused flags by calling
4363 * c-decl.c (c_decode_option): Ditto for -Wall.
4365 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4366 warn_about_unused_variables): Replace warn_unused with more
4367 explicit warn_unused_value et.al.
4368 * function.c (expand_function_end): Ditto.
4369 * c-typeck.c (internal_build_compound_expr,
4370 internal_build_compound_expr): Ditto.
4371 * c-decl.c (poplevel, pop_label_level): Ditto.
4372 * toplev.c (check_global_declarations): Replace warn_unused with
4373 check for either warn_unused_function or warn_unused_variable.
4375 * gcc.1, invoke.texi (Warning Options): Document
4376 -Wunused-function, -Wunused-function, -Wunused-label,
4377 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4379 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4381 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4382 $(srcdir), not in the current directory.
4384 2000-05-16 Richard Henderson <rth@cygnus.com>
4386 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4387 assembler supports it.
4388 (.fini, .init): Use a gp-relative indirect call.
4389 (__do_global_dtors_aux): Preserve the gp; rebundle.
4390 (__do_frame_setup): Likewise.
4391 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4392 (.init): Use a gp-relative indirect call.
4393 (__do_global_ctors_aux): Preserve the gp.
4395 2000-05-16 Richard Henderson <rth@cygnus.com>
4397 * flow.c (commit_one_edge_insertion): Be prepared for a return
4398 insn to be inserted on the edge with a normal jump.
4399 * jump.c (jump_optimize_1): Don't look to create return isns.
4401 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4402 * jump.c (jump_optimize_1): Likewise.
4403 (returnjump_p): Verify the argument is a JUMP_INSN.
4404 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4406 2000-05-16 Nick Clifton <nickc@cygnus.com>
4408 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4409 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4410 (large_insn_p): Ditto.
4411 (m32r_is_insn): New function: Return true if the insn contains
4412 an executable instruction.
4413 (m32r_adjust_insn): Use m32r_is_insn.
4414 (m32r_sched_reorder): Use m32r_is_insn.
4415 (m32r_sched_variable_issue): Use m32r_is_insn.
4417 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4419 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4422 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4424 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4425 according to given options.
4427 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4429 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4430 if X has VOIDmode either.
4431 (LIMIT_RELOAD_CLASS): Similarly.
4433 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4434 not "general_operand" to match the processor's capabilities.
4436 2000-05-16 Bruce Korb <bkorb@gnu.org>
4438 * fixinc/README: corrected return address
4439 * fixinc/check.diff: regenerate, now that test works
4440 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4441 (char_macro_def_fix,char_macro_use_fix): corrected and
4442 rewrote to use regex to parse the text
4443 * fixinc/inclhack.def: more testing
4444 * fixinc/fixincl.x: regenerated
4446 * fixinc/inclhack.def: added several "test_text" attributes
4447 changed several fixes to use `c_fix = format'
4448 re-alphabetized the fixes
4450 * fixinc/check.diff: regenerate
4451 * fixinc/fixincl.x: regenerate
4452 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4456 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4458 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4460 2000-05-15 Richard Henderson <rth@cygnus.com>
4462 * toplev.c (rest_of_compilation): Run full jump pass before
4463 find_basic_blocks of flow2.
4465 2000-05-15 Richard Henderson <rth@cygnus.com>
4467 * jump.c: Fix typos and clarify commentary from last change.
4468 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4469 (safe_to_remove_jump_p): Remove.
4470 (condjump_label): Use pc_set.
4472 2000-05-15 Richard Henderson <rth@cygnus.com>
4474 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4475 that get in the way after reload.
4476 (cond_exec_process_if_block): Skip a label heading THEN block.
4478 2000-05-15 Richard Henderson <rth@cygnus.com>
4480 * varasm.c (output_constant_pool): Abort instead of converting
4481 (improperly) deleted labels to zero.
4483 2000-05-16 Neil Booth <NeilB@earthling.net>
4485 * cpplex.c (parse_string2): Update comment.
4486 (cpp_lex_line): No special assertion treatment for '('.
4487 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4488 * cpplib.h (SYNTAX_ASSERT): Remove.
4490 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4492 * jump.c (condjump_p): Mark as depreached.
4493 (any_condump_p): New.
4494 (any_uncondump_p): New.
4496 (safe_to_remove_jump_p): New.
4497 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4498 safe_to_remove_jump_p): Declare.
4500 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4502 * calls.c: Re-install both patches reverted by last patch.
4503 (struct arg_data): New field tail_call_reg.
4504 (initialize_argument_information): Initialize tail_call_reg
4505 (load_register_parameters): New argument flags, use
4506 tail_call_reg when emiting tail call sequence.
4507 (expand_call): Update call of load_register_parameters;
4508 copy unadjusted_args_size to adjusted_args_size.
4510 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4512 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4513 and bct_p parameters to flags.
4514 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4515 * rtl.h (loop_optimize): Update prototype.
4516 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4518 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4520 * calls.c (expand_call): Move expand_start_target_temps call after
4523 2000-05-15 Neil Booth <NeilB@earthling.net>
4525 * cpphash.c (trad_stringify, warn_trad_stringify,
4526 collect_params): Make some pointers pointers to const.
4527 * cpplex.c (auto_expand_name_space) Guaranteed to always
4528 expand by at least one character.
4529 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4530 (struct token_spelling): Use const U_CHAR * rather than PTR.
4531 (expand_name_space): Fix up token pointers if name space
4532 is moved when expanding.
4533 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4534 parse_string2, save_comment, spell_token, cpp_output_list):
4535 Update so the routines handle tokens with a direct pointer to
4536 their text, rather than an offset into the token's list's namebuf.
4537 (_cpp_lex_line): Rearrange for clarity.
4539 * cpplib.c (_cpp_check_directive): Similarly.
4540 (do_define): Make SYM a pointer to const.
4541 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4542 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4543 (TOK_OFFSET): Delete.
4546 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4548 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4551 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4553 (logical_u_operand): Delete.
4554 (non_logical_cint_operand): Rewrite to take MODE into account.
4555 (non_logical_u_cint_operand): Delete.
4556 (boolean_operator): New function.
4557 (print_operand): Add new %q operand.
4558 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4559 remove logical_u_operand and non_logical_u_cint_operand,
4560 update logical_operand and non_logical_cint_operand.
4561 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4562 logical operations to use %q.
4564 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4565 (movdi): Make similar to movsi.
4566 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4567 is no such thing as a DImode CONST_DOUBLE.
4568 * config/rs6000/rs6000.c (output_toc): Likewise.
4570 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4571 codes when old mnemonics are in use. Print register names
4572 for cc registers when requested.
4574 * optabs.c (expand_float): Don't allow mode widening that causes
4577 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4578 flags to their current names -maix64 and -maix32.
4580 2000-05-14 Bruce Korb <bkorb@gnu.org>
4582 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4583 and/or after current text of file
4584 * fixinc/fixlib.c(must_malloc):
4585 * fixinc/fixlib.h(must_malloc): + reformatting
4586 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4587 with usages of ``c_fix = wrap;''
4588 Add several tests and use the ``c_fix = format'' fixer more.
4589 * fixinc/fixincl.x: regen
4590 * fixinc/check.diff: regen
4591 * fixinc/check.tpl: emit the associated header with the missing
4594 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4596 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4597 variables $src and $dst.
4599 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4601 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4602 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4603 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4604 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4606 (set_message_prefixing_rule): Declare.
4608 * diagnostic.c: (current_prefixing_rule): New variable.
4609 (set_message_prefixing_rule): Define.
4610 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4611 (init_output_buffer): Adjust Initialization.
4612 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4614 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4616 * ifcvt.c (if_convert): Do not free NULL.
4618 2000-05-12 Nick Clifton <nickc@cygnus.com>
4620 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4621 to move a double word value.
4622 (di_operand): New function: Return true if the operand is suitbale
4623 for a double word move operation.
4624 (nonimmediate_di_operand): New function: Return true if the
4625 operand is a DImode register or MEM.
4627 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4628 nonimmediate_di_operand.
4630 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4631 nonimmediate_di_operand.
4633 * config/fr30/fr30.md (movdi): New pattern. Required because
4634 other patterns generate DImode results.
4635 (movdi_insn): New pattern.
4637 2000-05-12 Richard Henderson <rth@cygnus.com>
4639 * config/alpha/alpha.c (struct shadow_summary): Define
4640 bitfields as type unsigned int.
4642 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4644 * config/avr/t-avr: Added definition of FLOAT while generates
4647 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4648 peepholes for tst+jump = sbrs/sbrc optimization.
4650 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4652 * expr.c (emit_push_insn): Do not adjust stack pointer when
4655 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4657 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4658 * system.h (offsetof): ... to here.
4660 2000-05-12 Richard Henderson <rth@cygnus.com>
4662 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4663 * final.c (final_end_function): Use app_disable. Rearrange note
4664 handling into a switch. Emit deleted labels.
4665 (output_asm_label): Generate label strings for deleted labels.
4666 * flow.c (tail_recursion_label_list): New.
4667 (find_basic_blocks_1): Set label_value_list directly. Collect list
4668 of tail recursion labels from call_placeholders. Don't add deleted
4669 labels to the label value list.
4670 (cleanup_cfg): Use free_EXPR_LIST_list.
4671 (flow_delete_insn_chain): Turn non-removable labels into notes.
4672 (flow_delete_block): Don't disable deleting the block because of
4673 a non-removable label.
4674 (tail_recursion_label_p): New.
4675 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
4677 (merge_blocks_move_successor_nojumps): Likewise. Also move a
4679 (merge_blocks): Disable a merge because of tail recursion labels.
4680 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
4681 Use a more accurate measure of not merging the join block.
4682 (find_if_block): Don't disable conversion because of a label.
4683 (find_if_case_1, find_if_case_2): Likewise.
4684 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
4685 element when copying.
4686 (squeeze_notes): Also leave EH notes.
4687 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
4689 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
4691 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
4692 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
4693 referring to a deleted label. Convert tail handling to a switch.
4694 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
4695 for NOTE_INSN_DELETED_LABEL.
4696 (NOTE): Fix commentary.
4697 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
4698 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
4699 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
4700 (LABEL_NUSES, LABEL_REFS): Likewise.
4701 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
4703 2000-05-12 Bruce Korb <bkorb@gnu.org>
4705 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
4706 * fixinc/check.diff: updated
4707 * fixinc/inclhack.def: corrected & added some test_text-s
4708 * fixinc/genfixes: removed unneeded options to autogen invocation
4709 * fixinc/fixincl.tpl: Specified the output file
4710 * fixinc/fixfixes.c: visual appearance
4711 * fixinc/fixincl.x: regenerate
4713 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
4715 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
4716 CTRL_defn_fix): Delete.
4717 (fix_char_macro_defines, fix_char_macro_uses): Rename to
4718 char_macro_def_fix and char_macro_use_fix, respectively. Put
4719 them into the FIXUP_TABLE. Get the string to search for from
4722 (format_write): New function.
4723 (format_fix): Use it.
4725 (FIX_PROC_HEAD): Constify text parameter.
4726 (machine_name_fix): Constify all char *s.
4727 * fixtests.c (skip_quote): Remove double static.
4729 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
4730 ctrl_use_quotes): Update for new scheme.
4731 * fixincl.x: Regenerate.
4733 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
4735 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
4737 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
4738 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
4740 2000-05-11 Robert Lipe <robertlipe@usa.net>
4742 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
4743 * fixincl.x: Regenerate.
4745 2000-05-11 Richard Henderson <rth@cygnus.com>
4747 * calls.c: Revert both 05-09 patches.
4749 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
4751 * config/mn10300/mn10300.c (print_operand): Print FP constants in
4753 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
4756 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
4757 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
4759 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
4761 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
4763 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4765 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
4767 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
4769 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
4770 * config/avr/avr.c (jump_over_one_insn_p): New function.
4771 * config/avr/avr.md: New peepholes added. Output test and
4772 conditional jump to "sbrc" or "sbrs" command.
4774 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
4776 * cppmain.c (main): Use IS_DIR_SEPARATOR.
4778 2000-05-11 Jakub Jelinek <jakub@redhat.com>
4780 * except.c (find_exception_handler_labels_1): New function.
4781 (find_exception_handler_labels): Split into two functions, dive
4782 into CALL_PLACEHOLDERs when looking for exception handler labels.
4784 2000-05-11 Stan Cox <scox@cygnus.com>
4786 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
4787 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
4788 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
4790 2000-05-11 Bruce Korb <bkorb@gnu.org>
4792 * fixinc/fixfixes.c (double_slash_fix): obsolete
4793 (else_endif_label_fix): obsolete
4794 (format_fix): new, unused as yet
4796 * fixinc/fixlib.h: added fix description struct for use by format_fix
4797 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
4798 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
4799 modules. Removed the vestiges of the script version.
4800 Added support for "make check".
4801 * fixinc/check.diff: base diff file (needs work!!)
4802 * fixinc/check.tpl: quiet the fixup output
4803 * fixinc/fixtests.c (main): obsolete
4804 * fixinc/fixincl.sh: don't bother copying fixincl to ..
4805 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
4807 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
4809 * toplev.c (rest_of_compilation): Remove dead code after
4812 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
4814 * cpphash.c (collect_funlike_expansion): Make "# is not
4815 followed by a macro argument name" a pedwarn, not an error.
4816 Preserve the # in the output. Suppress the warning if lang_asm.
4818 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
4820 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
4821 * configure: Rebuilt.
4823 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
4825 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
4827 2000-05-10 Kazu Hirata <kazu@hxi.com>
4829 * combine.c (try_combine): Fix a typo.
4831 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
4833 * config/ia64/ia64.md (insv): Add comment.
4835 2000-05-10 Richard Henderson <rth@cygnus.com>
4837 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
4838 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
4839 dependancies on FPBIT and DPBIT.
4841 2000-05-10 Nick Clifton <nickc@redhat.com>
4843 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
4844 when optimising for size.
4845 (mark_used_regs:) Ditto.
4846 (try_pre_increment_1): Ditto.
4848 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
4850 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
4851 Make error message friendlier.
4853 * cpphash.h (struct hashnode): Use struct hack for name
4855 * cpphash.c (struct hashdummy): New.
4856 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
4857 (make_HASHNODE): No need to set ->name pointer. Correct
4859 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
4861 2000-05-10 Richard Henderson <rth@cygnus.com>
4863 * flow.c (find_basic_blocks_1): Remove any spare bb_note
4866 2000-05-10 Bruce Korb <bkorb@gnu.org>
4868 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
4870 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
4872 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
4873 after we enter .debug.
4875 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
4877 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
4878 abstract instance of a nested inline function.
4880 * stor-layout.c (finish_record_layout): finalize_type_size
4881 before laying out the pending_statics.
4883 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
4885 * cpplex.c (spell_token): New function.
4886 (spell_string, spell_comment, spell_name): fold into
4889 (E, H): Remove macros.
4890 (save_comment): Save comment opening characters too.
4891 (_cpp_lex_file): Update to use spell_token. Tidy up comment
4893 * cpplib.h (I, S): Add macros.
4894 (E, H): Remove macros.
4895 (TTYPE_TABLE): Update entries for new speller.
4896 (SYNTAX_ASSERT): Remove.
4898 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
4900 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
4901 when removing escaped newlines. Reverse sense of test for
4904 2000-05-09 Richard Henderson <rth@cygnus.com>
4906 * flow.c (find_basic_blocks_1): Do not delete the first
4907 bb_note we run across.
4908 (create_basic_block): Use reorder_insns to move an existing
4909 bb_note to the correct place.
4911 2000-05-09 Richard Henderson <rth@cygnus.com>
4913 * calls.c (expand_call): Increment currently_expanding_call
4914 before calling optimize_tail_recursion.
4916 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4918 * reload1.c (reload_combine): Fix errors in last change.
4920 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4922 * gcc.c (used_arg): Skip over a semicolon at the end of the
4923 split-up loop; don't break out of it.
4925 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4926 (tree.o): Depend on output.h.
4928 * c-decl.c (pending_invalid_xref_file,
4929 current_function_prototype_file): Constify.
4930 (pushdecl): Constify a local char *.
4931 (define_label): Constify filename parameter.
4932 * c-lex.c (init_parse): Constify parameter and return value.
4933 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4934 * c-tree.h: Update prototypes.
4935 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4936 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4937 objc/objc-parse.c: Regenerate.
4939 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4940 * dwarfout.h: Update prototypes.
4941 * expr.c (expand_expr): Constify a local char *.
4942 * flags.h: Constify main_input_filename.
4943 * function.c (expand_function_end): Constify filename parameter.
4944 * genrecog.c (make_insn_sequence): Use a character array for
4946 (main): Remove unused variables.
4947 * input.h: Constify input_filename, main_input_filename, and
4948 file_stack.name. Update prototypes.
4949 * output.h: Declare first_global_object_name and
4950 weak_global_object_name here, as const char *.
4951 * stmt.c (expand_asm_operands): Constify filename parameter.
4952 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4953 Constify filename parameter.
4954 (input_filename, main_input_filename): Constify.
4955 * toplev.h: Update prototypes.
4956 * tree.c: Include output.h. Don't declare
4957 first_global_object_name or weak_global_object_name. Clean up string
4958 bashing in get_file_function_name_long.
4959 * tree.h (struct tree_decl): Constify filename member.
4960 (input_filename): Constify.
4962 * varasm.c (first_global_object_name, weak_global_object_name):
4964 (assemble_start_function, assemble_variable): Clean up string bashing.
4966 * gcc.c: Constify all spec-related strings initialized,
4967 transitively, from string constants. Constify all strings
4968 and string variables related to multilibs.
4969 (set_spec, read_specs): Cast argument to free to PTR.
4970 (used_arg): Do not modify multilib_matches. Use strncmp plus
4971 length comparison to compare multilib switches.
4972 * genmultilib: Constify everything declared in multilib.h.
4974 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4976 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4979 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4981 * config/avr/avr-protos.h (extra_constraint): change a type of
4982 second argument from char to int to avoid warnings.
4983 (asm_output_byte): Likewise.
4985 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4986 (initial_elimination_offset): Handle elimination from
4987 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4988 (legitimate_address_p): Use MAX_LD_OFFSET.
4989 (legitimize_address): Likewise.
4990 (out_movqi_r_mr): Likewise.
4991 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4992 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4993 (out_movsi_mr_r): Likewise.
4994 (out_movqi_mr_r): Likewise.
4995 (out_movhi_mr_r): Likewise.
4996 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4997 count as CONST_INT != 6.
4998 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4999 shift count is a CONSTANT_P, but not a CONST_INT.
5000 (ashlhi3_out): Coding style modifications.
5001 (ashlsi3_out): Likewise.
5002 (ashrhi3_out): Likewise.
5003 (ashrsi3_out): Likewise.
5004 (lshrhi3_out): Likewise.
5005 (lshrsi3_out): Likewise.
5006 (ashrqi3_out): Generate shift for any known constant count without
5007 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5008 but not a CONST_INT.
5009 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5010 shift count is a CONSTANT_P, but not a CONST_INT.
5011 (extra_constraint): change a type of
5012 second argument from char to int to avoid warnings.
5013 (asm_output_byte): Likewise.
5014 (asm_file_end): Output size generated commands count as a hex
5017 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5019 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5021 (ashlqi3): Values of "length" attribute changed. Shift count
5022 uses constraints 'n' instead of 'i'.
5023 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5024 shifts without clobber register.
5025 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5026 (call_insn): Correct test for which_alternative == 1 (was 0).
5027 (call_value_insn): Likewise.
5029 * config/avr/t-avr: Remove definition of FLOAT while generates
5032 2000-05-09 Bruce Korb <bkorb@gnu.org>
5034 * fixinc/check.tpl: Template for checking fixes
5035 * fixinc/inclhack.def: Added 'test_text' for many fixes
5036 disable hpux8_bogus_inlines on SCO
5037 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5039 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5041 * calls.c (expand_call): Reorganize somewhat in order
5042 to avoid unnecesary recalculation inside loop and make
5043 tail call failure code cleaner.
5045 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5047 * alias.c (nonlocal_reference_p): Minor reformatting.
5048 * reload.c (find_equiv_reg): Simplify logic for
5049 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5050 some some reformatting.
5051 * reload1.c (reload_combine): Don't assume everything in
5052 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5054 2000-05-08 Richard Henderson <rth@cygnus.com>
5056 * final.c (current_insn_predicate): New.
5057 (final_scan_insn): Set it.
5058 * output.h (current_insn_predicate): Declare.
5060 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5061 Attach it to call insns.
5062 (cond_exec_process_if_block): Track probability for true and
5064 (dead_or_predicable): Likewise.
5066 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5067 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5068 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5069 (estimate_probability, expected_value_to_br_prob): Use them.
5071 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5072 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5073 (ia64_expand_prediction): New.
5074 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5075 as needed after calls.
5076 (ia64_epilogue_uses): Mark b0 used.
5077 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5078 (bne_true, bne_false): Remove.
5079 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5080 (br_true, br_false): New. Use predicate_operator and
5081 ia64_expand_prediction.
5082 (return_true, return_false): Likewise.
5083 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5084 (call_internal1, call_value_internal): Likewise.
5085 (call_value_internal1, call_multiple_values_internal1): Likewise.
5087 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5089 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5091 2000-05-08 Richard Henderson <rth@cygnus.com>
5093 * rtlanal.c (may_trap_p): Consider old-style and volatile
5096 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5098 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5100 2000-05-08 Richard Henderson <rth@cygnus.com>
5102 * config/ia64/ia64.h (predicate_operator): Declare.
5104 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5107 * gensupport.c (process_rtx): Copy and post-process each member
5108 of the define_insn rtvec individually.
5110 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5112 * cpplex.c (spell_token): New function.
5113 (TOKEN_LEN): Add 1 for whitespace.
5114 (_cpp_lex_file): Update to use spell_token.
5115 * cpplib.h (E): Remove.
5116 (TTYPE_TABLE): Update CPP_VSPACE entry.
5118 2000-05-08 Richard Henderson <rth@cygnus.com>
5120 * flow.c (init_propagate_block_info): Watch out for conditional
5121 branch to next instruction, and thus one outgoing edge.
5123 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5124 for global register variables; don't special case __[CD]TOR_LIST__;
5125 mind ggc_p for string allocation.
5127 2000-05-08 Nick Clifton <nickc@cygnus.com>
5129 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5131 2000-05-08 Bruce Korb <bkorb@gnu.org>
5133 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5134 i?86-*-msdosdjgpp* no longer uses fixincludes
5135 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5136 * fixinc/inclhack.sh: deleted
5137 * fixinc/hackshell.tpl: deleted
5138 * fixinc/inclhack.tpl: deleted
5139 * fixinc/Makefile.in: Remove dependencies on above
5140 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5142 2000-05-08 Andreas Jaeger <aj@suse.de>
5144 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5147 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5149 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5152 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5154 * cpplex.c: Move new lexer definitions and prototypes
5155 to top. Conditional include these and the code if
5156 NEW_LEXER is defined. Rename functions whose names
5157 clash if this code included.
5159 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5161 * rtl.def (COND_EXEC): Clarify.
5163 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5164 same fashion as zero_extendsidi2.
5166 2000-05-06 Richard Henderson <rth@cygnus.com>
5168 * config/ia64/ia64.c (predicate_operator): New.
5169 (ia64_print_operand): Handle 'J'.
5170 (rtx_needs_barrier): Handle COND_EXEC.
5171 * config/ia64/ia64.h (BRANCH_COST): Define.
5172 (PREDICATE_CODES): Update.
5173 * config/ia64/ia64.md: Docuement used unspec values.
5174 (attr predicable): New.
5175 (movxf, movxf_internal): New.
5176 (extendsfdf2): Don't comment out nop.
5177 (floatdidf2): Remove.
5178 (truncxfsf2, truncxfdf2, floatdixf2): New.
5179 (abssi2, absdi2): Put the neg in the "true" slot.
5180 (conditional branch instructions): Mark not predicable.
5181 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5182 (abs*_internal): Likewise.
5183 (alloc, set_bsp): Mark not predicable.
5184 (barrier, insn_group_barrier, flush_cache): Likewise.
5185 (define_cond_exec): New.
5187 2000-05-06 Richard Henderson <rth@cygnus.com>
5189 * c-decl.c: Include "tm_p.h".
5191 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5192 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5193 (ia64_expand_op_and_fetch): Declare.
5194 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5195 (setjmp_operand): Constify variables for XSTR.
5196 (ia64_encode_section_info): Likewise.
5197 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5199 (ia64_asm_output_external): Constify name.
5200 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5201 (process_for_unwind_directive): Provide switch default.
5202 (ia64_expand_compare_and_swap): Remove unused variables.
5203 (ia64_expand_builtin): Likewise.
5204 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5207 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5208 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5209 (shift_count_operand, shift_32bit_count_operand): Likewise.
5210 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5211 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5212 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5213 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5214 (ia64_expand_builtin): Likewise.
5215 (call_multiple_values_operation): Make dest_regno unsigned.
5217 2000-05-06 Richard Henderson <rth@cygnus.com>
5219 * rtl.def (DEFINE_COND_EXEC): New.
5220 * md.texi: Document it.
5222 * gensupport.c (input_file): Remove.
5223 (struct queue_elem): Add lineno.
5224 (rtx_ready_queue): Remove.
5226 (predicable_default): New.
5227 (predicable_true, predicable_false): New.
5228 (define_attr_queue, define_attr_tail): New.
5229 (define_insn_queue, define_insn_tail): New.
5230 (define_cond_exec_queue, define_cond_exec_tail): New.
5231 (other_queue, other_tail): New.
5232 (queue_pattern): New.
5233 (process_rtx): Add patterns to the appropriate queues.
5234 (is_predicable, identify_predicable_attribute): New.
5235 (n_alternatives, collect_insn_data): New.
5236 (alter_predicate_for_insn, alter_test_for_insn): New.
5237 (shift_output_template, alter_output_for_insn): New.
5238 (process_one_cond_exec, process_define_cond_exec): New.
5239 (init_md_reader): Read the entire file. Process define_cond_exec.
5240 (read_md_rtx): Return elements from the queues.
5242 2000-05-06 Richard Henderson <rth@cygnus.com>
5244 * flow.c (mark_set_1): Don't update conditional life info
5245 if the register is not_dead.
5247 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5249 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5250 (mostlyclean): Also delete fixincl, fixinc.sh, and
5251 specs.ready, and make clean in the fixinc subdir.
5253 2000-05-06 Richard Henderson <rth@cygnus.com>
5255 * Makefile.in (gensupport.o): Compile for the host.
5256 (host-prefix gensuuprt.o): Remove.
5257 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5258 (genattrtab.o): Likewise.
5259 (gencodes.o): Depend on gensupport.h.
5260 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5261 (genpeep.o, genattr.o, genoutput.o): Likewise.
5263 * gensupport.c (obstack, rtl_obstack): New.
5264 (init_md_reader): Initialize rtl_obstack.
5265 * gensupport.h (rtl_obstack): Declare.
5266 (message_with_line): Declare.
5268 * genattr.c: Remove all traces of obstack manipulation.
5269 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5270 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5272 * genattrtab.c (obstack, rtl_obstack): Remove.
5273 (main): Don't init rtl_obstack.
5274 * genflags.c: Likewise.
5276 * genrecog.c (message_with_line): Move ...
5277 * gensupport.c: ... here.
5279 2000-05-06 Richard Henderson <rth@cygnus.com>
5281 * c-typeck.c (build_c_cast): Remove dead code.
5283 2000-05-06 Richard Henderson <rth@cygnus.com>
5285 * flow.c (split_edge): Don't allocate global_live_at_start for
5286 the new block unless the old blocks had them as well.
5288 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5290 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5291 test_bb if a or b uses x.
5293 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5295 * cpphash.h: Remove conditional #define of __extension__.
5296 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5297 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5298 (ENABLE_RTL_CHECKING only).
5299 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5300 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5301 (ENABLE_TREE_CHECKING only).
5302 * varray.h: Add __extension__ to VARRAY_CHECK macro
5303 (ENABLE_CHECKING only).
5305 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5307 Use new tail-calling mechanism on ARM.
5308 * arm.md (sibcall, sibcall_value): New expands.
5309 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5310 (tailcalling peepholes): Delete.
5311 (push_multi): Simplify.
5312 * arm.c (lr_save_eliminated): Delete definition.
5313 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5314 (output_return_instruction): Remove checks on lr_save_eliminated.
5315 (output_arm_prologue): Remove old tail-calling code.
5316 (arm_output_epilogue): New parameter, really_return. All callers
5317 changed. Handle tail-calling epilogues.
5318 * arm.h (lr_save_eliminated): Delete declaration.
5319 (frame_pointer_needed): Delete declaration.
5320 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5322 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5324 * arm.c (thumb_code): Define it.
5325 (arm_override_options): Set it.
5326 * arm.h (thumb_code): Declare it.
5328 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5330 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5332 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5334 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5335 bogus clobber to insns.
5336 (load_multiple_operation, store_mulitple_operation): Don't check
5338 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5340 * arm.md (and_scc, ior_scc): Add missing mode.
5342 * arm.md (call_value_symbol): Remove predicate from op2.
5344 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5346 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5348 * expr.c (get_subtarget): New function.
5349 (force_operand, expand_expr, do_store_flag): Use it.
5351 * toplev.c (compile_file): Don't take strlen of NAME if null.
5353 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5355 * xcoffout.c (xcoff_current_include_file,
5356 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5357 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5359 (xcoffout_declare_function): Make name 'const char *'.
5360 (xcoffout_end_epilogue): Make fname 'const char *'
5361 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5362 xcoffout_declare_function, xcoffout_source_line): Match above.
5364 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5366 * rs6000.c (print_operand): Fix lossage typo.
5367 (output_cbranch): Remove "cr" decoration for now.
5368 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5370 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5372 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5375 2000-05-05 Bruce Korb <bkorb@gnu.org>
5377 * fixinc/genfixes: Improve the matching for make target names
5379 2000-05-05 Catherine Moore <clm@cygnus.com>
5381 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5382 attribute to the decl.
5383 * c-decl.c (pushdecl): Propagate the USED attribute to the
5386 2000-05-05 Richard Henderson <rth@cygnus.com>
5388 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5389 same way emit_group_load does.
5391 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5393 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5395 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5398 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5400 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5402 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5404 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5405 to support -shared, on platforms with dynamic libraries.
5407 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5409 * system.h (S_ISBLK): Provide fallback definition.
5411 2000-05-05 Geoff Berry <geoffb@bops.com>
5413 * extend.texi (Extended Asm): Document inability to give asm
5414 statements access to condition codes.
5416 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5418 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5419 as arg 2 of UNIQUE_SECTION.
5421 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5423 * predict.c: Remove May 4 change.
5424 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5425 if we have predicted the branch at 50-50 probability.
5427 2000-05-05 Richard Henderson <rth@cygnus.com>
5429 * flow.c (init_propagate_block_info): Fix merge error
5430 in HAVE_conditional_execution code.
5432 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5434 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5435 shift cycle for unknown shift count. Also generates dec + brpl.
5436 (ashlqi3_out): Don't generate dec + brpl which now generates by
5437 `out_shift_with_cnt'.
5438 (ashlhi3_out): Likewise.
5439 (ashlsi3_out): Likewise.
5440 (ashrqi3_out): Likewise.
5441 (ashrhi3_out): Likewise.
5442 (ashrsi3_out): Likewise.
5443 (lshrqi3_out): Likewise.
5444 (lshrhi3_out): Likewise.
5445 (lshrsi3_out): Likewise.
5447 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5449 * gcc.c (free_split_directories): Correct typo in explanation
5450 of make_relative_prefix.
5452 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5454 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5455 comparison codes to branch_comparison_operator.
5457 2000-05-04 Richard Henderson <rth@cygnus.com>
5459 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5461 2000-05-04 Richard Henderson <rth@cygnus.com>
5463 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5464 (DPBIT_FUNCS): Remove _sf_to_usi.
5465 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5467 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5468 between condition and jump.
5470 * libgcc2.c (near eh_context_specific): Comment #endif string.
5471 * longlong.h: Don't use strings with embedded newlines.
5473 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5475 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5476 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5477 (print_operand): Delete %t and %T codes.
5478 (output_cbranch): New function. Support branch prediction.
5479 * config/rs6000/rs6000.md: Use output_cbranch for
5480 conditional branches and returns.
5482 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5484 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5485 * stor-layout.c (place_field): Likewise.
5486 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5487 * expr.c (store_expr): Make align unsigned.
5488 * explow.c (plus_constant_wide): Make low words unsigned.
5489 * expmed.c (choose_multiplier): Likewise.
5490 * fold-const.c (fold): Likewise.
5491 * tree.h (build_int_2): Likewise.
5492 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5493 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5494 (init_emit): Change cast to unsigned char*.
5495 * varasm.c (compare_constant_1): Add cast to char*.
5496 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5497 * reload1.c (reload): Likewise.
5499 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5501 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5503 * predict.c (estimate_probability): If no prediction was found, then
5504 predict the successor that is the next physical block (if such a
5507 2000-05-04 Richard Henderson <rth@cygnus.com>
5509 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5511 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5513 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5515 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5517 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5518 attribute macros from here ...
5519 (CPP_SPEC): to here.
5520 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5521 (CPP_SPEC): Likewise.
5522 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5524 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5525 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5527 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5529 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5531 * diagnostic (vbuild_message_string, build_message_string,
5532 build_location_prefix, output_get_prefix, init_output_buffer,
5533 output_notice, vline_wrapper_message_with_location,
5534 v_message_with_decl, default_print_error_function): De-constify.
5535 (set_real_maximum_length): Prototype.
5537 * diagnostic.h (struct output_buffer, init_output_buffer,
5538 output_get_prefix, output_set_prefix): De-constify.
5540 * function.c (init_function_start): Constify.
5542 * gensupport.c (remove_constraints, process_rtx): Prototype.
5544 * gthr-posix.h: Indent uses of #pragma.
5546 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5549 * predict.c (find_expected_value): Delete prototype.
5550 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5552 * sbitmap.h (debug_sbitmap): Prototype.
5554 * ssa.c (compute_coalesced_reg_partition): Prototype.
5556 * stor-layout.c (debug_rli): Prototype.
5558 * tree.h (round_down): Prototype.
5559 (init_function_start): Constify.
5561 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5563 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5564 (overly conservative). Change extern inline wrappers to
5565 static inline, define them always, use PARAMS properly.
5566 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5567 whitespace warnings for \f and \v at the beginning of a line.
5569 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5571 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5574 2000-05-04 Bruce Korb <bkorb@gnu.org>
5576 * fixincl/inclhack.def: added broken_cabs -
5577 Remove `extern double cabs' declarations from math.h
5578 * fixincl/inclhack.sh: regen
5579 * fixincl/fixincl.x: regen
5580 * fixincl/fixincl.c: Remove BOGOSITY code
5581 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5583 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5585 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5587 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5588 when calling MEM_COPY_ATTRIBUTES.
5589 * emit-rtl.c (operand_subword, change_address): Likewise.
5590 * explow.c (stabilize): Likewise.
5591 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5592 * integrate.c (copy_rtx_and_substitute): Likewise.
5593 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5594 when calling MEM_COPY_ATTRIBUTES.
5595 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5597 * cse.c (gen_lowpart_if_possible): Likewise.
5598 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5599 * optabs.c (gen_move_insn): Likewise.
5600 * recog.c (validate_replace_rtx_1): Likewise.
5601 * simplify-rtx.c (add_mem_for_addr): Likewise.
5602 * stmt.c (expand_anon_union_decl): Likewise.
5603 * config/arm/arm.md: Likewise.
5604 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5605 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5606 (block_move_no_loop, block_move_sequence): Likewise.
5607 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5608 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5609 Clear MEM_ALIAS_SET.
5610 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5611 MEM_COPY_ATTRIBUTES.
5613 2000-05-03 Robert Lipe <robertlipe@usa.net>
5615 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5616 to suppress libgcc1.
5617 (i[34567]86-*-sco3.2v5*) Likewise.
5618 (i[34567]86-*-sco3.2v4*) Likewise.
5619 (i[34567]86-*-sco) Likewise.
5620 (i[34567]86-*-solaris2) Likewise.
5621 (i[34567]86-*-sysv5*) Likewise.
5622 (i[34567]86-*-sysv4*) Likewise.
5623 (i[34567]86-*-udk*) Likewise.
5624 (i[34567]86-*-sysv*) Likewise.
5626 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5628 * cpphash.h (U): New define, to correct type of string constants.
5629 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5630 routines, to do casts when passing unsigned strings to libc.
5631 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5633 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5634 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5635 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5636 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5637 second argument an U_CHAR *.
5639 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5640 length field, clean up initializer.
5641 (ISTABLE): Add __extension__ to designated-
5642 initializers version.
5643 * cpplex.c (CHARTAB): Likewise.
5645 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5646 case so the file won't be empty.
5648 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5650 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5651 (REORDER_BLOCK_SUCC): Removed.
5652 (enum reorder_skip_type): Removed.
5653 (skip_insns_between_block): Renamed to skip_insns_after_block.
5654 Removed second argument. Removed dead code and cleaned up.
5655 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5656 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5657 second parameter to skip_insns_after_block.
5659 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5661 * tree.c (staticp, case LABEL_DECL): New case.
5663 2000-05-03 Richard Henderson <rth@cygnus.com>
5665 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5667 * mklibgcc1.in: Fix typo last change.
5669 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5671 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
5672 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
5673 (GCC_CFLAGS): Use it.
5674 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
5675 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
5676 objc/Make-lang.in: Use it.
5678 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
5680 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
5682 2000-05-03 Richard Henderson <rth@cygnus.com>
5684 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
5685 LIBGCC1 empty with libgcc1.null.
5687 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
5689 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
5692 2000-05-03 Greg McGary <gkm@gnu.org>
5694 * tree.h (tree_common): Add bounded_flag member. Remove
5695 inaccurate comment about number of remaining bits.
5696 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
5697 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
5698 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
5699 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
5700 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
5701 (TYPE_QUAL_BOUNDED): New constant.
5702 (TYPE_QUALS): Handle bounded qualifier.
5703 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
5704 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
5705 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
5706 TYPE_AMBIENT_BOUNDEDNESS): New macros.
5707 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
5708 (tree_type): Add pointer_depth member. Remove
5709 inaccurate comment about number of remaining bits.
5710 (DECL_POINTER_DEPTH): Add macro.
5711 (tree_decl): Add pointer_depth member.
5713 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
5715 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
5716 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
5717 (lshrhi3_out): Likewise.
5718 (ashrsi3_out): bugfix in shift by 8.
5719 (test_hard_reg_class): New function.
5720 * config/avr/avr.md: Bugfix inside conditions in peepholes.
5721 (ashlhi3): removed define_expand of this pattern.
5722 (*ashlhi3_insn): renamed to ashlhi3.
5723 (ashlsi3): removed define_expand of this pattern.
5724 (*ashlsi3_insn): renamed to ashlsi3.
5725 (ashrqi3): removed define_expand of this pattern.
5726 (*ashrqi3_insn): renamed to ashrqi3.
5727 (ashrhi3): removed define_expand of this pattern.
5728 (*ashrhi3_insn): renamed to ashrhi3.
5729 (ashrsi3): removed define_expand of this pattern.
5730 (*ashrsi3_insn): renamed to ashrsi3.
5731 (lshrhi3): removed define_expand of this pattern.
5732 (*lshrhi3_insn): renamed to lshrhi3.
5733 (lshrsi3): removed define_expand of this pattern.
5734 (*lshrsi3_insn): renamed to lshrsi3.
5736 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
5738 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
5739 inclusion of "system.h".
5741 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
5743 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
5746 2000-05-03 David Mosberger <davidm@hpl.hp.com>
5748 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
5749 if -mauto-pic is on.
5750 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
5751 -mconstant-gp is in effect and function-descriptors are being used
5752 to make indirect calls.
5753 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
5754 (MASK_AUTO_PIC): Ditto.
5755 (TARGET_CONST_GP): Ditto.
5756 (TARGET_AUTO_PIC): Ditto.
5757 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
5758 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
5759 -mno-pic is in effect.
5760 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
5761 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
5762 -mauto-pic is in effect.
5763 (gprel64_offset): New pattern.
5764 (load_gprel64): Ditto.
5765 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
5766 -mconstant-gp is in effect, no need to preserve gp around direct
5768 (call_value): Ditto.
5769 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
5770 (FUNCTION_PROFILER): Define.
5771 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
5772 @fptr() directive when -mno-pic or -mauto-pic is in effect.
5773 (ASM_OUTPUT_DESTRUCTOR): Ditto.
5775 2000-05-03 Richard Henderson <rth@cygnus.com>
5777 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
5778 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
5779 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
5780 (mklibgcc, libgcc.mk): New targets.
5781 (libgcc.a): Use libgcc.mk.
5782 (stmp-multilib): Likewise.
5783 (stmp-multilib-sub): Remove.
5784 (mostlyclean): Don't delete libgcc2 temp files.
5785 * configure.in (AC_PROG_CC_C_O): Add.
5786 (NO_MINUS_C_MINUS_O): Substitute it.
5787 (all_outputs): Add mklibgcc.
5788 * mklibgcc.in: New file.
5790 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5792 * cppexp.c (op_t): Make an int.
5794 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
5796 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
5798 * gensupport.c (process_rtx): Fix macros used.
5800 2000-05-03 Richard Henderson <rth@cygnus.com>
5802 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
5803 call-clobbered registers of a call.
5805 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
5807 * gensupport.c: New file.
5808 * gensupport.h: New file.
5809 * Makefile.in (HOST_RTL): Depend on gensupport.
5810 (gensupport.o) New rule.
5811 * genattr.c: Use gensupport for reading .md files.
5812 * genattrtab.c: Ditto.
5813 * gencodes.c: Ditto.
5814 * genconfig.c: Ditto.
5816 * genextract.c: Ditto.
5817 * genflags.c: Ditto.
5818 * genopinit.c: Ditto.
5819 * genoutput.c: Ditto.
5821 * genrecog.c: Ditto.
5822 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
5823 * md.texi (Insn Splitting): Document define_insn_and_split.
5825 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
5827 * flow.c (verify_flow_info): Added two more sanity checks. The
5828 first checks that the blocks are numbered consecutively. The second
5829 checks that n_basic_blocks is actually equal to the number of
5830 basic blocks in the insn chain.
5832 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5834 * cpplib.h: Add accessor macros for token lists.
5835 * cpplib.c, cpphash.c, cpplex.c: Use them.
5837 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5839 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
5840 memory usage if not in a function.
5841 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
5842 return address if static.
5844 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
5846 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
5847 whether address may trap.
5849 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
5851 * bb-reorder (chain_reorder_blocks): Changed code to test for
5852 EDGE_FALLTHRU rather than making erroneous assumption that the
5853 first outgoing edge is the fall-through edge.
5855 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
5857 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
5858 ABI for varargs, across all MIPS. This is incompatible because the
5859 va_list (__builtin_va_list) structure is different, so a compilation
5860 unit passing a va_list and a compilation unit being passed one, should
5861 both be compiled with the same ABI. (The old structure had two
5862 pointers, now it has three.)
5864 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
5866 * bb-reorder.c (struct reorder_block_def): Remove members end,
5867 block_begin, and block_end.
5868 (REORDER_BLOCK_OLD_END): Delete.
5869 (REORDER_BLOCK_BEGIN): Delete.
5870 (REORDER_BLOCK_END): Delete.
5871 (chain_reorder_blocks): Remove dead code.
5873 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
5875 * bb-reorder.c (remove_scope_notes): Check for both types of scope
5876 notes as the end of a basic block before deleting.
5878 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
5880 * final.c (final_start_function): Fix spelling of "necessary".
5882 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
5884 * toplev.c (debug_ignore_block): Return int.
5885 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
5886 * toplev.h, dwarf2out.h: Adjust.
5887 * emit-rtl.c (remove_unnecessary_notes): Test return value.
5889 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
5890 * toplev.c, final.c, rtl.h: Adjust.
5892 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5894 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
5895 * configure.in: Look for makeinfo in the unified tree, then
5896 for a system makeinfo which is sufficiently new.
5897 * Makefile.in: If configure says makeinfo is too old, don't
5898 build or install Info documentation.
5900 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5902 * cpphash.c (collect_params): Fix off-by-one error.
5903 (dump_hash_helper): Dump all four macro nodetypes.
5905 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5907 * cpphash.c (trad_stringify): Adjust p after stringification as
5910 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5912 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5913 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5915 * cppfiles.c (file_cleanup): Delete.
5916 * cpphash.c (macro_cleanup): Delete.
5917 (collect_objlike_expansion, collect_funlike_expansion,
5918 macarg, scan_arguments): Remove CPP_POP case.
5920 * cpplex.c (null_cleanup): Delete.
5921 (cpp_pop_buffer): Do the work that was done in the cleanups
5922 here. Call _cpp_unwind_if_stack from here.
5923 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5924 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5925 stack is the buffer _below_ the one we stacked.
5926 (cpp_get_token): Always pop an exhausted buffer. Return
5927 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5928 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5929 increment the line number.
5930 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5932 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5933 we see CPP_EOF and the top of stack is the buffer _below_ the
5935 * scan-decls.c: Likewise.
5937 2000-05-02 Andrew Haley <aph@cygnus.com>
5939 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5940 where this function is called for the second time on a decl that
5941 has had its section info changed in such a way as to move it out
5943 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5945 2000-05-01 Richard Henderson <rth@cygnus.com>
5947 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5948 the sequence we're moving, not to merge_bb->head.
5950 2000-05-01 Richard Henderson <rth@cygnus.com>
5952 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5953 reference to alpha/t-linux.
5954 (alpha*-*-linux-gnu*): Likewise.
5955 * configure: Rebuild.
5957 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5959 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5962 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5964 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5966 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5969 2000-05-01 Richard Henderson <rth@cygnus.com>
5971 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5972 emit_conditional_move.
5974 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5976 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5977 as the dynamic linker.
5979 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5981 * cppfiles.c (open_include_file): Open file in blocking mode.
5982 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5983 Only exclude block devices and directories.
5985 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5986 static. Allocate the hashnode and its string in the same
5988 (del_HASHNODE): Don't free h->name.
5989 (_cpp_lookup): If there is no entry for this string, create
5990 one, of type T_VOID.
5991 (_cpp_lookup_slot): Delete.
5992 * cpphash.h: Update prototypes.
5994 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5996 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5997 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5998 node here, just fill in the value field properly. "Delete"
5999 entries by setting the value field to T_VOID. Check for
6000 hp->type == T_VOID, not hp == NULL.
6002 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6003 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6006 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6008 * config/mn10300/mn10300.c (print_operand_address): Do not add
6011 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6012 adjusted by less than 256 bytes, use ret regardless of having any
6013 callee-saved register to restore.
6015 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6017 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6019 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6021 * config/i386/djgpp.h (INT_ASM_OP): Define.
6022 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6023 (ASM_WEAKEN_LABEL): Define.
6024 (MASK_BNU210): Define.
6025 (SUBTARGET_SWITCHES): Define.
6026 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6027 (MAKE_DECL_ONE_ONLY): Define.
6028 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6030 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6032 * i386/cygwin.h (INT_ASM_OP): Define.
6034 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6036 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6037 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6039 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6041 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6042 __tmp_reg__ and __zero_reg__ initialization.
6044 2000-04-30 Richard Henderson <rth@cygnus.com>
6046 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6048 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6049 referenced bewteen the condition and the jump. Don't delete
6050 anything but the jump.
6052 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6054 * bb-reorder.c (scope_def): New struct.
6055 (scope_forest_info): New struct.
6056 (struct reorder_block_def): New member "scope".
6057 (REORDER_BLOCK_SCOPE): New macro.
6058 (relate_bbs_with_scopes): New function and prototype.
6059 (make_new_scope): Likewise.
6060 (build_scope_forest): Likewise.
6061 (remove_scope_notes): Likewise.
6062 (insert_intra_1): Likewise.
6063 (insert_intra_bb_scope_notes): Likewise.
6064 (insert_inter_bb_scope_notes): Likewise.
6065 (rebuild_scope_notes): Likewise.
6066 (free_scope_forest_1): Likewise.
6067 (free_scope_forest): Likewise.
6068 (dump_scope_forest): Likewise.
6069 (dump_scope_forest_1): Likewise.
6070 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6071 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6073 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6074 and remove_scope_notes before reordering is done. Added calls to
6075 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6076 after reordering is done.
6078 2000-40-30 Bruce Korb <bkorb@gnu.org>
6080 * fixinc/inclhack.def: Added definitions needed by OSR5,
6081 removed two stale entries (defined away with OLD_CPP).
6082 * fixinc/inclhack.sh: regen
6083 * fixinc/fixincl.x: regen
6085 2000-04-30 Richard Henderson <rth@cygnus.com>
6087 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6088 from the last insn in the sequence.
6090 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6092 * cpplex.c (cpp_idcmp): New function.
6093 * cpplib.h: Prototype it.
6094 * scan_decls.c (scan_decls): Use it to inspect token names.
6095 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6096 the file being run through the preprocessor.
6097 (check_macro_names): Provide length of token to cpp_defined.
6099 * Makefile.in: Remove stale warning message.
6101 * cppfiles.c (redundant_include_p): Provide length of token to
6103 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6104 values are unsigned int.
6105 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6106 (_cpp_lookup_slot): Do not calculate the hash, either.
6107 * cpphash.h: Update prototypes.
6108 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6109 Hashes are unsigned int. Calculate hash here, pass by value
6110 to _cpp_lookup_slot.
6112 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6114 * simplify-rtx.c (check_value_useless): Delete function.
6115 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6117 (cselib_invalidate_regno): Likewise.
6118 (cselib_invalidate_mem_1): Likewise.
6119 (references_value_p): Recognize useless values by the fact that they
6121 (discard_useless_values): Likewise.
6122 (cselib_record_set): This may turn a useless value
6125 2000-04-30 Richard Henderson <rth@cygnus.com>
6127 * config/d30v: New port.
6129 * configure.in (d30v-*): Set fp format.
6130 * configure: Rebuild.
6132 2000-04-30 Richard Henderson <rth@cygnus.com>
6134 * ifcvt.c: New file.
6135 * Makefile.in (OBJS): Add it.
6136 (ifcvt.o): New target.
6137 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6138 and conditional arithmetic.
6139 (find_insert_position): Remove.
6140 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6141 * toplev.c (DFI_ce, DFI_ce2): New.
6142 (dump_file): Add ce and ce2 dumps.
6143 (rest_of_compilation): Run if_convert a couple o times. Set
6144 cse_not_expected after cse2. Don't set no_new_pseudos until
6145 after sched1 or recompute_reg_usage.
6147 2000-04-30 Richard Henderson <rth@cygnus.com>
6149 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6150 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6152 2000-04-30 Richard Henderson <rth@cygnus.com>
6154 * flow.c (struct reg_cond_life_info): New.
6155 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6156 (init_propagate_block_info): Initialize them.
6157 (free_propagate_block_info): Destruct them.
6158 (mark_set_1): Consider conditional life before killing a register.
6159 (mark_regno_cond_dead): New.
6160 (free_reg_cond_life_info): New.
6161 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6162 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6163 (mark_used_reg): Record conditional life.
6165 * haifa-sched.c (schedule_insns): Disable death counting
6166 sanity check for HAVE_conditional_execution.
6168 2000-04-30 Richard Henderson <rth@cygnus.com>
6170 * Makefile.in (TIMEVAR_H): New.
6171 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6172 (timevar.h): Remove rule.
6174 2000-04-29 Richard Henderson <rth@cygnus.com>
6176 * config/alpha/crtend.asm: Use C comments instead of #.
6177 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6179 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6181 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6183 * cpphash.h (enum node_type: Take out T_MCONST.
6184 (union hashval): Move into struct hashnode.
6185 (struct hashnode): Pack tighter. Remove file, line, col
6187 * cpphash.c: Constify most of the macro-definition structures.
6188 (struct definition): Replace by struct object_defn
6189 and struct funct_defn. Put file, line, column information
6190 here. All users updated to match.
6191 (_cpp_create_definition, _cpp_macroexpand): Remove special
6192 case for #define WORD OTHERWORD.
6193 * cpplib.c (do_undef): Remove T_MCONST case.
6195 * cpphash.h: Move struct reflist, struct definition, and the
6196 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6197 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6198 * cpphash.c (_cpp_free_definition): Free data pointed to by
6199 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6200 (_cpp_create_definition, del_HASHNODE): Just call
6201 _cpp_free_definition to clear out a hashnode.
6202 * cpplib.c (do_pragma_poison): Likewise.
6204 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6206 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6207 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6208 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6209 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6210 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6211 REGNO_AM33_P): Redefine in terms of the new macros.
6212 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6213 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6214 STRUCT_VALUE): Likewise.
6215 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6216 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6218 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6220 * regmove.c (struct record_stack_memrefs_data): New.
6221 (record_stack_memrefs): New function.
6222 (combine_stack_adjustments_for_block): Use it.
6224 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6226 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6227 use special_function_p to detect alloca.
6229 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6231 * gcc.texi: Fixes for makeinfo 4.0 --html.
6233 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6235 * pcp.h: Delete file.
6237 2000-04-28 Kazu Hirata <kazu@hxi.com>
6239 * h8300.c (function_epilogue): Clean up flags when the last insn
6240 in a function is a barrier.
6242 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6244 * configure.in (sparc-hal-solaris2*): protect [] glob from
6246 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6247 rather than hard-coded constants in target_cpu_default2.
6248 * configure: Regenerate.
6250 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6252 * tree.c (get_callee_fndecl): Extract the initial value from
6255 2000-04-28 Richard Henderson <rth@cygnus.com>
6257 * varasm.c (record_constant_1): Record the CODE_LABEL when
6258 taking the address of a LABEL_REF.
6260 2000-04-28 Richard Henderson <rth@cygnus.com>
6261 Jan Hubicka <jh@suse.cz>
6263 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6264 adjustment; don't do the stack adjust.
6265 (expand_call): Call compute_argument_block_size right before
6266 allocating the block; update comment; don't do alignment sanity
6267 checking for sibling call; use args_size instead of
6268 unadjusted_args_size before args_size is adjusted. Use
6269 combine_pending_stack_adjustment_and_call to compute stack adjust
6270 for must_preallocate case.
6272 * expr.c (push_block): Remove shadow `temp' in inner scope.
6274 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6276 * toplev.c (rest_of_compilation): Call
6277 note_deferral_of_defined_inline_function even if the function
6280 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6282 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6284 2000-04-28 Richard Henderson <rth@cygnus.com>
6286 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6288 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6290 * timevar.c (init_timevar): DeANSIfy function definition.
6292 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6294 * Makefile.in (timevar.o): Depend on flags.h.
6295 * timevar.c (unused_stack_instances): New variable.
6296 (timevar_push): Take a timevar_stack_def from
6297 unused_stack_instances if available.
6298 (timevar_pop): Push the popped timevar_stack_def onto
6299 unused_stack_instances.
6300 (TIMEVAR_ENABLE): New macro.
6301 (timevar_def): Make standalone a 1-bit field. Add field used.
6302 (get_time): Rename parameter to now. Return after clearing it if
6304 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6305 (timevar_pop): Likewise.
6306 (timevar_stop): Likewise.
6307 (timevar_push): Likewise. Mark the timing variable as used.
6308 (timevar_start): Likewise.
6309 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6310 timevars that were never used.
6312 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6314 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6315 always TREE_READONLY.
6317 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6319 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6320 for call instruction with mode QImode.
6322 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6324 * Makefile.in (OBJS): Add timevar.o.
6325 (toplev.o): Depend on timevar.h.
6326 (ggc-simple.o): Likewise.
6327 (ggc-page.o): Likewise.
6328 (timevar.o): New rule.
6329 (timevar.h): New rule.
6331 * timevar.h: New file.
6332 * timevar.c: Likewise.
6333 * timevar.def: Likewise.
6335 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6336 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6338 (TIMEVAR): Remove macro.
6339 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6340 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6341 flow_time, combine_time, regmove_time, sched_time,
6342 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6343 sched2_time, dbr_sched_time, reorder_blocks_time,
6344 rename_registers_time, shorten_branch_time, stack_reg_time,
6345 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6347 (compile_file): Don't initialize time variables. Call
6348 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6349 of many calls to print_time.
6350 (rest_of_compilation): Add timing for reload_cse_regs.
6351 (get_run_time): Removed to timevar.c.
6352 (print_time): Likewise.
6353 (get_run_time): Implement using TV_TOTAL time variable.
6354 (print_time): Get total run time from get_run_time.
6355 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6356 computing elapsed time explicitly.
6357 * ggc-simple.c (ggc_collect): Likewise.
6358 (gc_time): Remove declaration.
6360 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6362 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6363 (expand_call): Use it.
6365 2000-04-27 Jan Hubicka <jh@suse.cz>
6367 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6370 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6372 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6375 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6377 * function.c (epilogue_done): Pass whole insn to record_insns.
6379 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6381 * cse.c (CSE_ADDRESS_COST): Remove.
6382 (find_best_addr): Add new parameter "MODE", use address_cost instead
6384 (address_cost): New.
6385 (fold_rtx): Update call of find_best_addr.
6386 * rtl.h (address_cost): Declare.
6387 * loop.c (general_induction_var): Add new parameter "MODE", use
6388 address_cost instead of ADDRESS_COST
6389 (init_loop): Use address_cost instead of ADDRESS_COST.
6390 (check_insn_for_givs): Update call of general_induction_var.
6391 (find_mem_givs): Likewise.
6392 (consec_sets_giv): Likewise.
6393 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6394 * i386.c (ix86_address_cost): New.
6395 * i386-protos.h (ix86_address_cost): Declare.
6397 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6399 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6402 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6404 * expr.c (store_expr): Use clear_storage instead of direct memset
6407 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6409 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6410 ASHIFT, AND and LABEL_REF.
6412 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6414 * invoke.texi (-foptimize-sibling-calls): Fix.
6416 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6418 * loop.c (load_mems) Don't use hard registers for the hoisting.
6420 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6421 calculation; rename const_equiv array in the preconditioning code
6422 from loop_unroll to loop_unroll_precondition
6424 2000-04-27 Richard Henderson <rth@cygnus.com>
6426 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6428 (propagate_one_insn): Clear it. Don't update reg_live here.
6429 (init_propagate_block_info): Update for pbi member changes.
6430 (free_propagate_block_info): Likewise.
6431 (mark_set_1): Know that zero_extract, sign_extract, and
6432 strict_low_part don't kill their argument. Alter hard subregs.
6433 Update new_set for non-CLOBBER sets. Update reg_live.
6434 (find_auto_inc): Update reg_live, not new_dead.
6435 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6436 to determine if the reg in question was set this insn. Only update
6437 reg info with PROP_REG_INFO.
6439 2000-04-26 Richard Henderson <rth@cygnus.com>
6441 * flow.c (allocate_reg_life_data): Set max_regno here ...
6442 (life_analysis): ... not here.
6444 * flow.c (calculate_global_regs_live): Force stack pointer
6447 2000-04-26 Richard Henderson <rth@cygnus.com>
6449 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6450 commit change group changes.
6451 (invert_exp_1): Similarly.
6452 (redirect_exp, invert_exp): Use them.
6453 (redirect_jump_1): New.
6454 (invert_jump_1): New.
6455 (jump_optimize_1): Remove code subsumed by condexec.c.
6456 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6458 2000-04-26 Richard Henderson <rth@cygnus.com>
6460 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6462 * genconfig.c (main): Set all HAVE_foo to 1.
6464 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6466 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6468 * invoke.texi: Document -fssa flag.
6470 2000-04-26 Richard Henderson <rth@cygnus.com>
6472 * flow.c (count_reg_sets_1): Remove.
6473 (count_reg_sets, count_reg_references): Remove.
6474 (recompute_reg_usage): Implement with update_life_info.
6475 Reallocate life data.
6477 2000-04-26 Richard Henderson <rth@cygnus.com>
6479 * flow.c (update_life_info): Consider blocks null to mean the
6481 (calculate_global_regs_live): Likewise.
6482 (life_analysis): Do that instead of collecting all_blocks.
6484 2000-04-26 Richard Henderson <rth@cygnus.com>
6486 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6487 a still-valid conditional jump.
6489 2000-04-26 Richard Henderson <rth@cygnus.com>
6491 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6493 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6494 * flow.c (calculate_loop_depth): Remove.
6495 * output.h (calculate_loop_depth): Don't declare.
6496 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6497 inline; run estimate_probability at the same time.
6499 2000-04-26 Neil Booth <NeilB@earthling.net>
6501 * cpplib.h: "~=" is not a single pp-token.
6502 * cpplex.c: Correct commentary.
6504 2000-04-26 Richard Henderson <rth@cygnus.com>
6506 * flow.c (mark_set_1): New arguments code and flags; update all
6507 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6508 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6509 loop_depth when optimizing for size. Do new_dead update after
6510 emitting REG_UNUSED notes. Merge mark_set_reg code.
6511 (mark_set_reg): Remove.
6512 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6513 arrange to not emit REG_UNUSED notes.
6515 2000-04-26 Richard Henderson <rth@cygnus.com>
6517 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6518 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6520 2000-04-26 Richard Henderson <rth@cygnus.com>
6522 * flow.c (propagate_one_insn): Break out from propagate_block.
6523 (init_propagate_block_info): Likewise.
6524 (free_propagate_block_info): Likewise.
6525 (propagate_block): Use them. Export.
6526 * basic-block.h: Declare them all.
6528 2000-04-26 Richard Henderson <rth@cygnus.com>
6530 * basic-block.h (life_analysis): Declare here ...
6531 * output.h: ... not here.
6532 * flow.c (life_analysis): Remove nregs parameter; replace
6533 remove_dead_code with flags. Remove ssa dead code check.
6534 Only init alias analysis if we'll use it.
6535 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6536 * ssa.c (convert_to_ssa): Likewise.
6537 (convert_from_ssa): Likewise.
6538 * toplev.c (rest_of_compilation): Likewise.
6540 2000-04-26 Richard Henderson <rth@cygnus.com>
6542 * flow.c (flow_delete_block): Rename from delete_block. Export.
6543 * basic-block.h (flow_delete_block): Declare.
6545 2000-04-26 David S. Miller <davem@redhat.com>
6547 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6548 taking a PATTERN of it.
6550 2000-04-26 <NeilB@earthling.net>
6552 * cpplex.c (spell_other, spell_char): Remove.
6554 (token_spelling, trigraph_map): Use unsigned chars.
6555 (_cpp_lex_line): Tidy up the switch statement.
6556 * cpplib.h: Implement spell_char with spell_string.
6559 2000-04-26 <RodneyBrown@pmsc.com>
6561 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6562 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6564 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6566 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6567 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6568 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6569 dwarf2out_return_save, dwarf2out_return_reg,
6570 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6571 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6572 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6574 * dwarf2out.h (dwarf2out_init): Likewise.
6576 * dwarfout.c (filename_entry, primary_filename, last_filename,
6577 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6579 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6580 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6581 dwarf2out_return_reg): Likewise.
6583 2000-04-26 Andreas Jaeger <aj@suse.de>
6585 * extend.texi (Function Attributes): Fix description of pure
6588 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6590 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6591 before calling rest_of_compilation.
6593 2000-04-26 Andreas Jaeger <aj@suse.de>
6595 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6598 2000-04-25 Richard Henderson <rth@cygnus.com>
6600 * cse.c (cse_insn): Emit barrier after unconditional jump.
6602 * calls.c (expand_call): Disable tail call generation once
6603 rtx_equal_function_value_matters is false.
6605 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6608 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6610 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6612 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6614 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6615 is the primary DIE for a member function.
6616 (gen_decl_die): Call set_decl_origin_self here.
6617 * dwarfout.c (output_decl): And here.
6618 * integrate.c (output_inline_function): Not here.
6619 Don't clear DECL_INLINE until after calling rest_of_compilation.
6620 (set_decl_origin_self): No longer static.
6621 * tree.h: Add prototype.
6622 * toplev.c (note_deferral_of_defined_inline_function): Only write
6623 out abstract instance for actual inlines.
6625 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6627 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6628 EXTENDED_REGS only if TARGET_AM33.
6629 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6630 SP_REGS to register allocation and reloading unless absolutely
6632 (movsi3): Remove special-case of adding non-constants to SP.
6634 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6636 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6637 INCLUDES to search and does not provide any of its own. Also it
6638 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6639 parameters. Also it does not call AC_DEFINE.
6640 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6641 AC_DEFINE and provides for automatic entries for autoheader.
6642 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6644 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6645 so we can pass -I flags and include gansidecl.h/system.h in this
6648 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6650 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6652 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6653 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6654 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6656 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6657 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6658 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6659 for these macros. Clean up spacing and linewraps.
6661 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6663 * calls.c (expand_call): Use get_callee_fndecl.
6665 * print-tree.c (print_node): Print the chain of an _EXPR.
6667 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6668 Jim Wilson <wilson@cygnus.com>
6669 Andrew Haley <aph@cygnus.com>
6671 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
6672 and gp save/restore problems.
6673 * config/ia64/crtend.asm: Add IA-64 unwind support.
6674 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
6675 in fr_pad_size calculation.
6676 (save_restore_insns): Move PR save area. Correct uses of
6677 RTX_FRAME_RELATED_P.
6678 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
6679 (ia64_expand_epilogue): Add eh_epilogue support.
6680 (ia64_function_prologue): Emit .prologue directive.
6681 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
6682 (ia64_override_options): Set init_machine_status and
6683 mark_machine_status.
6684 (rtx_needs_barrier): Handle bsp reads and writes.
6685 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
6686 New static variables.
6687 (process_set, process_for_unwind_directive): New functions.
6688 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
6689 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
6690 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
6692 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
6693 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
6694 (struct machine_function): Define.
6695 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
6697 2000-04-25 Bruce Korb <bkorb@gnu.org>
6699 * fixinc/Makefile.in: make the removal of old programs more
6701 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
6702 install-bin and install-sh
6704 2000-04-25 Nick Clifton <nickc@cygnus.com>
6706 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
6707 defined, define to return zero.
6708 (function_cannot_inline_p): If a function has any target
6709 specific attributes, then use the macro
6710 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
6711 whether it can be inlined. If it cannot, issue a suitable
6714 * tm.texi: Add a new node 'Inlining' to document the new macro
6715 FUNCTION_ATTRIBUTE_INLINABLE_P.
6717 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
6719 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
6722 2000-04-25 Neil Booth <NeilB@earthling.net>
6724 Restore previous patch, plus the following fixes:
6726 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
6727 flags, not CPP_OPEN_PAREN.
6728 * cpplex.c (expand_token_space, init_token_list,
6729 cpp_free_token_list): Put the dummy token at list->tokens[-1].
6730 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
6732 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6734 * config/i386/freebsd.h (INT_ASM_OP): Define.
6736 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
6738 * loop.c (strength_reduce): Fix typo in the last checkin.
6740 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6742 * stor-layout.c (finalize_record_size): Simplify to use existing
6744 (compute_record_mode): No longer static.
6745 * tree.h (compute_record_mode): New declaration.
6747 2000-04-25 Neil Booth <NeilB@earthling.net>
6749 * Revert my patch below until cause of build failures
6752 2000-04-25 Richard Henderson <rth@cygnus.com>
6754 * combine.c (combine_instructions): Add missing argument
6757 * toplev.c (rest_of_compilation): Delay sibcall optimization
6758 until after emit_eh_context.
6760 2000-04-24 Nick Clifton <nickc@redhat.com>
6762 * combine.c (combine_instructions): Do not try to combine a
6763 sequence of insns when the second insn has been replaced by a
6766 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
6768 * gcc.c (load_specs): New static function.
6769 (read_specs): Use it.
6771 * gcc.c (lookup_compiler): Make multiple passes for case
6772 insensitive filesystems.
6774 2000-04-24 Neil Booth <NeilB@earthling.net>
6776 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
6777 * cpphash.h (_cpp_check_directive): new.
6778 * cpplex.c (handle_newline, cpp_free_token_list,
6779 init_trigraph_map, trigraph_ok, trigraph_replace,
6780 backslash_start, skip_block_comment, skip_line_comment,
6781 skip_whitespace, parse_name, parse_number, parse_string,
6782 copy_comment, _cpp_lex_line, spell_char, spell_string,
6783 spell_comment, spell_name, spell_other, _cpp_lex_file,
6784 _cpp_output_list): new.
6785 (expand_name_space): take length argument.
6786 (init_token_list): add comment list initialisation.
6787 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
6788 instead of HSPACE_BEFORE.
6790 * cpplib.c (_cpp_check_directive): new
6791 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
6792 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
6793 (HSPACE_BEFORE): delete.
6794 (TTYPE_TABLE): rearrange.
6795 (struct cpp_toklist): update.
6797 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6799 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
6800 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
6801 argument form of AC_DEFINE.
6803 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
6804 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
6805 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
6806 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
6807 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
6809 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
6811 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6813 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
6814 deduced.h): Use -isystem, not -I, for including system headers.
6816 2000-04-24 Nick Clifton <nickc@cygnus.com>
6818 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
6819 the source register is the frame pointer or arg pointer.
6820 (addsi3_small_int): Disallow if source register is the frame
6821 pointer or arg pointer.
6823 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6825 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
6826 call to AC_MSG_RESULT.
6828 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6830 * invoke.texi: Correct grammatical errors, document
6831 -fno-gnu-keywords as identical to -fno-asm for C++.
6833 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6835 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
6836 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
6837 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
6838 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
6839 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
6841 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
6842 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
6843 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
6844 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
6847 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
6849 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
6850 (pop_alignment): Likewise.
6851 (handle_pragma_token): Likewise.
6853 2000-04-24 Robert Lipe <robertlipe@usa.net>
6855 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
6857 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
6859 * combine.c (try_combine): Update reg_nonzero_bits of
6860 newi2pat before newpat.
6862 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
6864 * loop.c (strength_reduce): Simplify test to INSN_P.
6865 (record_giv): Attempt to simplify the add value, use CONSTANT_P
6866 expressions instead of CONST_INT.
6867 (express_from_1): Likewise.
6869 2000-04-24 Mark Mitchell <mark@codesourcery.com>
6871 * regs.h (reg_n_max): Don't declare.
6872 * flow.c (reg_n_max): Don't define.
6873 * regclass.c (renumber): Don't initialize to zero.
6874 (regno_allocated): Likewise.
6875 (reg_n_max): Define.
6876 (allocate_reg_info): Don't initialize unnecessarily.
6878 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
6880 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
6881 and blockage_p in the newly allocated attribute.
6883 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
6885 * config/mn10300/mn10300.md (addsi): `inc4' on address
6886 registers does not modify cc, but `inc' on an extended
6889 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
6891 * reload.c (find_equiv_reg): Checks all valueno regs
6892 as a reload_reg_p regs.
6894 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6896 * cpphash.c (collect_objlike_expansion): Add sanity check.
6897 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
6898 the buffer is the empty string, return. Mark __DATE__ and
6899 __TIME__ as XCONST nodes, not MCONST.
6900 (_cpp_macroexpand): Avoid pushing an empty buffer.
6901 (funlike_macroexpand): Don't pop token_buffer here.
6903 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
6905 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6906 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6907 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6908 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6909 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6910 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6911 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6913 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6915 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6918 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6920 * cpphash.h (struct definition): Move file, line, col members...
6921 (struct hashnode): ... here. Also add 'disabled' flag.
6922 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6923 T_IDENTITY. Remove T_DISABLED.
6926 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6927 (collect_expansion): Split into collect_objlike_expansion and
6928 collect_funlike_expansion.
6929 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6930 funlike_macroexpand.
6931 (_cpp_compare_defs): Rename compare_defs, make static.
6932 (_cpp_make_hashnode): Initialize hp->disabled.
6933 (macro_cleanup): Adjust for new token types. Clear
6935 (_cpp_create_definition): Move code here to determine what
6936 sort of macro it is, and code to check for redefinitions, from
6937 do_define. Implement a few simple cases without creating a
6939 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6940 Handle the simple cases.
6941 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6944 * cppinit.c (builtin_array): Change MCONST to XCONST
6946 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6947 fix check for disabled and function-like macros.
6948 * cpplib.c (do_define): Move most logic to
6949 _cpp_create_definition.
6950 (do_undef): Handle new special token types.
6952 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6954 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6955 of CONSTANT_P for mult_val; always use validate_change to update insn.
6957 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6959 * cpphash.c (trad_stringify, add_pat): New functions.
6960 (collect_expansion): Restore support for -traditional syntax.
6961 Use trad_stringify and add_pat.
6962 (_cpp_macroexpand): Restore support for -traditional semantics.
6963 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6964 get a COMMENT token.
6965 (_cpp_lex_token): Provide COMMENT tokens to caller if
6966 traditional and parsing_define_directive.
6967 (skip_comment): Warn about // comments if -Wtraditional.
6968 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6970 (do_undef): Don't warn about undefining EMPTY nodes.
6972 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6974 * loop.c (strength_reduce): Fix biv removal code.
6976 2000-04-22 Richard Henderson <rth@cygnus.com>
6978 * predict.c (estimate_probability): Examine both sides of
6979 a branch for no exits. Use 90% not 50% for predict taken.
6980 Reorg for one copy of note generation code.
6982 2000-04-22 Richard Henderson <rth@cygnus.com>
6984 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6986 2000-04-22 Richard Henderson <rth@cygnus.com>
6988 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6989 (output_clear): Likewise.
6990 (output_printf): Use va_copy.
6991 (vline_wrapper_message_with_location): Likewise.
6992 (v_message_with_decl): Likewise.
6993 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6994 * system.h (va_copy): Provide default implementation.
6996 2000-04-22 Richard Henderson <rth@cygnus.com>
6998 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6999 the collected condition is not a constant.
7001 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7003 * diagnostic.h: New file.
7005 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7007 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7008 various function prototypes.
7009 (diagnostic.h): #include.
7010 (struct output_buffer): Move into diagnostic.h.
7011 (get_output_prefix): Rename to output_get_prefix. Export.
7012 (init_output_buffer): Export. Break out. Ajust intialization.
7013 (output_space_left, output_append): Export.
7014 (output_newline): Rename to output_add_newline. Export.
7015 (output_clear): Nullify additional output_buffer fields.
7016 (output_puts): Rename to output_add_string. Export.
7017 (dump_output): Rename to output_flush_on. Export.
7018 (build_location_prefix): Constify return-type.
7019 (emit_output_prefix): Rename to output_emit_prefix. Export.
7020 (set_real_maximum_length): New function.
7021 (output_set_maximum_length): Ditto
7022 (output_clear): Ditto.
7023 (output_add_character): Ditto.
7024 (output_add_integer): Ditto.
7025 (output_add_space): Ditto.
7026 (output_format): Ditto.
7027 (output_printf): Adjust buffer initialization.
7028 (vline_wrapper_message_with_location): Ditto.
7029 (v_message_with_decl): Ditto. Adjust call to output_puts
7030 and get_output_prefix.
7031 (default_print_error_function): Adjust buffer intialization.
7033 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7038 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7040 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7043 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7045 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7046 accurate data about SP moves.
7048 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7050 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7051 aliases to AM33 registers.
7053 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7055 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7056 to all EXTENDED bitmaps.
7058 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7060 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7061 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7062 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7064 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7066 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7067 the operand is not constant.
7069 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7071 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7072 as a call-clobbered regs.
7074 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7076 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7078 * rtl.def: Update comment.
7079 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7080 * integrate.c (expand_inline_function): Likewise.
7081 * profile.c (branch_prob): Likewise.
7082 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7083 * print-rtl.c (print_rtx): Likewise.
7084 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7085 (reemit_notes): Likewise; also use enum insn_note.
7087 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7088 (place_field): Properly compute know and actual alignment.
7090 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7093 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7096 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7098 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7099 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7100 (collect_expansion): Rewrite to scan over a token list.
7101 Remove -traditional support.
7102 (collect_formal_parameters): Rename to collect_params; rewrite
7103 to scan over a token list.
7104 (_cpp_create_definition): Adjust to scan a token list.
7105 (_cpp_macroexpand): Remove -traditional support.
7106 (_cpp_compare_defs): Whitespace is now canonicalized.
7107 (comp_def_part): Delete function.
7109 * cpphash.h: Update prototypes.
7110 * cpplex.c (init_token_list): Don't set lineno if there is no
7112 (pedantic_whitespace): New function.
7113 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7114 consume a newline. Use pedantic_whitespace.
7115 (_cpp_lex_token): Remove support for -traditional macros.
7116 (_cpp_get_define_token): Delete.
7117 (_cpp_get_directive_token): Do the real work here. Use
7118 pedantic_whitespace.
7119 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7121 * cpplib.c (get_macro_name): Delete.
7122 (do_define): Read the entire line into pfile->directbuf, then
7123 feed the token list to _cpp_create_definition.
7124 * cpplib.h (HSPACE_BEFORE): new define.
7125 (struct cpp_reader): Add a toklist member, "directbuf".
7127 * predict.c (estimate_probability): New heuristic: if a jump
7128 branches around a block with no successors, predict it taken.
7129 Disentangle control flow.
7131 2000-04-20 Richard Henderson <rth@cygnus.com>
7133 * loop.c (emit_iv_add_mult): Revert last change.
7135 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7137 * cpplib.h (enum cpp_ttype): Add token types for all
7138 punctuators. Distinguish pp-numbers from valid C numbers.
7139 Give some tokens better names. Initialize from macro.
7140 (struct cpp_name, cpp_token, cpp_toklist): New data
7143 * cpplex.c (bump_column, expand_name_space,
7144 expand_token_space, init_token_list, cpp_output_list,
7145 _cpp_scan_line): New functions.
7146 (output_line_command): Add third argument, new line number.
7147 * cpphash.h: Update prototypes.
7148 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7151 2000-04-20 Richard Henderson <rth@cygnus.com>
7153 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7155 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7157 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7160 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7162 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7163 REG_EQUAL note explaining the calculated value.
7165 * calls.c (expand_call): Avoid unnecesary precalculation
7166 and outgoing parameters space guarding for sibling calls.
7167 (store_one_arg): Likewise.
7169 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7171 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7172 (rest_of_compilation): Write sibling dump file and account
7173 for time as jump time.
7174 * invoke.texi: Update documentation on dump flags.
7176 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7178 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7180 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7182 * cpphash.c (special_symbol): Represent an empty macro with
7183 "\r \r " not just "\r ".
7184 (_cpp_macroexpand): Correct condition for the foo ( ) special
7186 (unsafe_chars): Handle EOF as second argument.
7187 (push_macro_expansion): Simplify test for removing escape at
7188 end. Do not trim both escapes if there is no text in between.
7190 2000-04-19 Jim Blandy <jimb@redhat.com>
7192 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7193 of PTR_SIZE, when appropriate.
7195 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7197 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7198 (USE_ENUM_BITFIELDS): Fix typo.
7200 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7202 * stor-layout.c (place_field): Set rli->offset_align properly.
7204 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7206 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7207 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7208 PARM_BOUNDARY): Remove unnecessary casts.
7210 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7212 * calls.c (precompute_arguments): Remove must_preallocate and
7214 (expand_call): Update call of precompute_arguments.
7216 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7217 check_insn_for_givs): Break out from ...
7218 (strength_reduce) ... here; use for_every_insn_in_loop to call
7219 check_insn_for_givs.
7220 * loop.h (for_every_insn_in_loop): Declare.
7221 (loop_insn_callback): New type.
7223 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7225 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7228 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7230 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7233 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7235 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7237 * configure.in: Delete --disable-cpplib option and all
7238 references to cpp_main.
7239 * configure: Regenerate.
7240 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7241 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7242 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7243 cpp$(exeext). Add --no-headers to makeinfo command line when
7244 generating INSTALL. Install and uninstall cpp.1 manpage, not
7246 * install.texi: Delete all references to cexp.y/cexp.c.
7247 Delete ancient instructions for compiling GCC on 3b1.
7248 * INSTALL: Regenerate.
7250 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7251 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7252 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7254 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7255 which is no longer tested anywhere.
7257 * cppinit.c (handle_option): Don't run error message through
7260 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7262 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7263 * cpperror.c (hashtab.h): Now include.
7264 * cppexp.c (hashtab.h): Likewise.
7265 * cpplex.c (hashtab.h): Likewise.
7266 * cppfiles.c (hashtab.h): Likewise.
7267 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7268 to htab_find_slot_with_hash.
7269 * cpphash.c (hashtab.h): Now include.
7270 (_cpp_lookup_slot): INSERT is now enum insert_option.
7271 * cpphash.h (_cpp_lookup_slot): Likewise.
7272 * cppinit.c (hashtab.h): Include earlier.
7273 (initialize_builtins): Pass enum to htab_find_slot.
7274 * cpplib.c (hashtab.h): Now include.
7275 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7276 (do_pragma_poison, do_assert): Likewise.
7277 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7278 htab_find_slot_with_hash.
7279 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7280 * tree.c (type_hash_add): Likewise.
7281 (build1): Minor cleanup.
7283 * ggc-common.c: Add missing blanks.
7284 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7285 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7287 * stmt.c (mark_case_node): New function.
7288 (mark_case_nesting): Call it.
7290 * expmed.c (emit_store_flag): If comparing two-word integer
7291 with zero, can optimize NE, EQ, GE, and LT.
7293 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7294 * conflict.c: Minor cleanups.
7295 * optabs.c: Add blank line
7296 * simplify-rtx.c: Minor cleanups.
7298 2000-04-18 Stan Cox <scox@cygnus.com>
7300 * gengenrtl.c (genlegend): Fix misspelling.
7302 2000-04-18 Robert Lipe <robertlipe@usa.net>
7304 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7305 bitfields of the host compiler are not signed quantities.
7306 * config.in: Regenerate.
7307 * configure: Regenerate.
7308 * system.h (USE_ENUM_BITFIELDS): Added.
7309 (ENUM_BITFIELDS): Added.
7310 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7311 (SHORT_ENUM_BUG): Deleted.
7312 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7314 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7315 (CODE_FIELD_BUG): Likewise.
7316 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7318 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7320 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7322 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7325 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7327 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7328 * cpplib.c (do_include, do_import, do_include_next,
7329 read_line_number, detect_if_not_defined): Likewise.
7330 * cpphash.c (collect_expansion): Likewise.
7331 (special_symbol, _cpp_macroexpand): Check return from
7333 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7334 macros. Delete all uses.
7336 * gcc.dg/cpp-mi.c: Add two more test cases.
7337 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7339 2000-04-17 Richard Henderson <rth@cygnus.com>
7341 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7342 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7344 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7346 * function.c (expand_function_start): Use hard_function_value to
7347 compute the RTL to use for DECL_RESULT.
7349 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7351 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7352 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7353 x86_memory_mismatch_stall): New global variables.
7354 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7355 alloved; fix load penalties for Athlon.
7356 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7357 x86_memory_mismatch_stall): Declare.
7358 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7359 TARGET_MEMORY_MISMATCH_STALL): New.
7360 * i386.md (athlon scheduling parameters): Fix latencies according to
7361 Athlon Optimization Manual.
7362 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7364 (fsqrt instruction patterns): Set athlon_decode to direct.
7365 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7366 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7367 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7368 and TARGET_PARTIAL_REGISTER_STALL machines.
7369 (pushdf_nointeger): New pattern.
7370 (pushdf_integer): Rename from pushdf.
7371 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7372 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7374 2000-04-17 Richard Henderson <rth@cygnus.com>
7376 * loop.c (canonicalize_condition): Add WANT_REG argument.
7377 Stop the search if we match it.
7378 * expr.h (canonicalize_condition): Update decl.
7379 * predict.c (expected_value_to_br_prob): Use it. Track last
7380 expected value note.
7381 (find_expected_value): Remove.
7383 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7385 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7387 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7388 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7390 * configure.in: Call AC_FUNC_MMAP_FILE.
7391 * configure: Regenerate.
7392 * config.in: Regenerate.
7394 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7395 * fixinc/fixincl.c: Likewise.
7397 2000-04-17 Richard Henderson <rth@cygnus.com>
7399 * builtins.c (expand_builtin_expect): New.
7400 (expand_builtin): Call it.
7401 * builtins.def (BUILT_IN_EXPECT): New.
7402 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7403 * extend.texi: Document it.
7405 * predict.c (expected_value_to_br_prob): New.
7406 (find_expected_value): New.
7407 * basic-block.h (expected_value_to_br_prob): Declare.
7408 * toplev.c (rest_of_compilation): Invoke it.
7410 * rtl.h (NOTE_EXPECTED_VALUE): New.
7411 (NOTE_INSN_EXPECTED_VALUE): New.
7412 * rtl.c (note_insn_name): Update.
7413 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7414 cases; handle NOTE_INSN_EXPECTED_VALUE.
7416 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7418 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7419 leaf sibcall delay slot if flag_pic.
7420 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7422 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7424 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7426 * fixproto: If fix-header fails, exit with an error.
7428 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7430 * cse.c (struct check_depdendence_data): New.
7431 (check_dependence): New function.
7432 (invalidate): Use check_depdenence.
7434 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7436 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7437 UNITS_PER_WORD is unsigned.
7439 * tree.h (struct tree_common): Remove misleading comment.
7441 2000-04-16 Dave Pitts <dpitts@cozx.com>
7443 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7444 message in quotes. Otherwise, IBM's make program treats the '#' as the
7445 start of a comment and ignores the remainder of the line.
7447 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7449 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7450 * cexp.y (initialize_random_junk): Likewise.
7451 * cppfiles.c (find_include_file): Cast alloca return value.
7452 * cppinit.c (initialize_standard_includes): Likewise.
7453 * cpplib.c (cpp_define, cpp_undef): Likewise.
7454 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7455 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7456 * fold-const.c (CHARMASK): New.
7457 (real_hex_to_f): Use it.
7458 * real.c (CHARMASK): New.
7459 (etoasc, asctoeg): Use it.
7460 (asctoeg): EBCDIC lower case characters preceed upper case.
7462 * i370.c (mvs_add_label): Change spacing for coding conventions.
7463 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7464 outputing case vectors.
7465 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7466 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7467 since vector in in the data CSECT.
7468 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7469 * i370.md (Many patterns): Put the length in the XL directives.
7470 (movdi): Put back STM and MVC in definition.
7471 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7472 pattern using the TCA.
7473 * oe.h (CPP_SPEC): Added to allow trigraphs.
7474 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7475 not support the "long long" type.
7477 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7479 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7481 (mips_reg_mode_ok_for_base_p): Likewise.
7482 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7483 (REG_OK_FOR_INDEX_P): Define unconditionally.
7484 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7485 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7486 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7487 that GET_MODE_SIZE is unsigned.
7488 (mips_reg_mode_ok_for_base_p): Define.
7489 (mips_legitimate_address_p): Likewise. Adjust now
7490 that GET_MODE_SIZE is unsigned.
7491 (block_move_loop): Make the number of bytes unsigned.
7492 (expand_block_move): Likewise.
7493 (function_arg): Make the loop counter unsigned to match the
7496 2000-04-16 Richard Henderson <rth@cygnus.com>
7498 * rtl.h (enum insn_note): New enumeration. Subsume
7499 NOTE_INSN_DELETED and friends.
7500 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7501 * rtl.c (note_insn_name): Tweak string order.
7503 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7505 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7508 * cpplex.c (output_line_command): Remove debugging prints.
7509 (cpp_output_tokens): Don't write out a zero-length buffer or
7510 try to see if it has a newline in it.
7511 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7512 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7513 the end of the loop. Use memmove. Don't read past the end of
7514 the buffer. Remove trailing newlines from error messages.
7516 2004-04-16 Neil Booth <NeilB@earthling.net>
7518 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7519 * cpplib.c: Add new syntax flags to directive table, and
7522 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7524 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7527 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7529 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7530 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7532 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7534 * Makefile.in (ggc-page.o): Now includes toplev.h.
7535 * ggc-page.c (toplev.h): Now included.
7536 (gc_time): Remove declaration.
7537 (ggc_collect): TIME now long.
7538 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7540 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7542 * toplev.c: Make *_time variable long to reduce chance of overflow.
7543 (TIMEVAR): Likewise for `otime'.
7544 (print_time): Arg is now long; compute percentage in FP and round.
7545 * toplev.h (print_time): Arg is long.
7547 * tree.c: Minor whitespace changes.
7549 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7550 * configure: Rebuilt.
7551 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7552 (__fixunsxfDI): Renamed from __fixunsxfdi.
7553 (__fixunsdfDI): Renamed from __fixunsdfdi.
7554 (__fixunssfDI): Renamed from __fixunssfdi.
7555 (__floatdisf): Use proper type in REP_BIT macro.
7556 (__fixunsxfSI): Renamed from __fixunsxfsi.
7557 (__fixunsdfSI): Renamed from __fixunsdfsi.
7558 (__fixunssfSI): Renamed from __fixunssfsi.
7559 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7560 Change location of macros and upper-case some names as above.
7561 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7562 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7564 * varasm.c (assemble_variable): Add cast to remove warning.
7565 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7567 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7568 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7569 region number to -1.
7571 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7573 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7574 call unshare_all_rtl.
7576 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7578 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7580 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7581 Use .s1 not .s0 for all FP instructions.
7583 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7585 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7587 (safe_fwrite, output_line_command): New static functions.
7588 (cpp_expand_to_buffer): Now private to cpplib.
7589 (cpp_scan_buffer): Take a printer.
7591 * cpphash.h: Update prototypes.
7592 * cpplib.h: Update prototypes.
7594 (cpp_buffer): Remove last_nominal_fname.
7595 (cpp_reader): Remove lineno.
7597 * cppmain.c: Use a cpp_printer.
7598 * fix-header.c: No need to inhibit line commands. Call
7599 cpp_start_read with no printer.
7601 * cpperror.c (cpp_notice_from_errno): Provide default name.
7602 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7603 (find_include_file, cpp_read_file): Use make_IHASH.
7604 (file_cleanup): Set control_macro and clear
7605 input_stack_listing_current here.
7606 (_cpp_execute_include): Don't output entering-file marker.
7607 * cpphash.c (special_symbol): Look for the line number in the
7608 buffer, not the reader.
7609 (_cpp_macroexpand): No need to disable line commands.
7610 (_cpp_dump_definition): No need to generate line commands.
7611 (dump_hash_helper): Remove excess newline from output.
7612 * cppinit.c (dump_special_to_buffer): No need to generate line
7614 (cpp_printer_init): New.
7615 (cpp_start_read): Take a printer, and start it up if it's not
7616 NULL. No need to generate line commands.
7617 (cpp_finish): Expect no buffers stacked at all. Take a
7618 printer argument, and flush the output buffer if it's not
7620 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7621 Don't put two hashes at the beginning of an assertion.
7622 (cpp_get_token): Don't increment pfile->lineno or emit line
7623 commands here. Return EOF if there's no buffer when we get
7625 * cpplib.c (do_define, skip_if_group):
7626 No need to disable line commands.
7627 (_cpp_output_line_command): Delete function.
7628 (do_line): Don't emit line commands here, but set things up so
7629 they will be emitted if necessary. Use _cpp_fake_ihash to
7630 make unique nominal_fnames if necessary.
7631 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7632 with 0 for column, not -1.
7633 (_cpp_handle_eof): Don't set the control macro here. Don't
7634 clear input_stack_listing_current here. Don't emit line
7637 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7639 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7640 always, use the default SVR4 start address.
7642 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7643 (LINK_SHLIB_SPEC): Define.
7644 (LINK_START_DEFAULT_SPEC): Define.
7645 (LINK_OS_DEFAULT_SPEC): Define.
7647 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7649 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7650 __do_global_ctors to handle constructors.
7651 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7652 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7653 (STARTFILE_MVME_SPEC): Likewise.
7654 (STARTFILE_SIM_SPEC): Likewise.
7655 (ENDFILE_ADS_SPEC): Use crtend.
7656 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7657 (ENDFILE_MVME_SPEC): Likewise.
7658 (ENDFILE_SIM_SPEC): Likewise.
7659 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7660 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7661 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7662 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7663 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7664 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7665 (CRTSTUFF_T_CFLAGS_S): Define.
7666 * config/rs6000/eabi-ctors.c: Delete.
7668 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7671 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
7675 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
7677 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
7678 plus mask size is smaller or equal to the mode size.
7680 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7682 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
7685 * expr.c (reload.h): Now included.
7686 (emit_block_move): Set volatile_ok when checking for movstr.
7687 (emit_move_1): Check for replacements in addresses in multi-word case.
7688 * Makefile.in (expr.o): Now includes reload.h.
7690 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
7691 Never have a LIBCALL end a basic block.
7692 (find_basic_blocks_1): Likewise.
7693 Reorganize CALL_INSN cases.
7695 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
7697 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
7699 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
7700 completers from mov.ret instruction.
7702 2000-04-14 Richard Henderson <rth@cygnus.com>
7704 * fold-const.c (extract_muldiv): Don't distribute and widen
7705 multiply across plus for non-sizetype unsigned types.
7707 2000-04-14 Richard Henderson <rth@cygnus.com>
7709 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
7710 If the original source is dead in the incr insn, it's dead now.
7712 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7714 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
7715 see if DECL_BIT_FIELD needs to still be set.
7717 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
7719 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
7720 print_int_cst_octal with something that's not an INTEGER_CST.
7722 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
7723 and not a SUBREG to a FLOAT rtl.
7725 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
7727 * emit-rtl.c (try_split): Avoid infinite loop if the split
7728 results in a sequence that contains the original insn.
7730 2000-04-13 Andreas Jaeger <aj@suse.de>
7732 * config/mips/mips.c (expand_block_move): Pass alignment
7733 argument to move_by_pieces in bits, not bytes.
7735 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
7736 __pic__ for little endian.
7738 2000-04-13 Andreas Jaeger <aj@suse.de>
7740 * config/i386/i386-protos.h: Add prototype for
7741 uno_comparison_operator.
7743 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7745 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
7746 * calls.c (ECF_PURE): New flag.
7747 (emit_call_1): Handle ECF_PURE calls.
7748 (initialize_argument_information): Unset ECF_PURE flag too.
7749 (precompute_arguments): Precompute for ECF_PURE too.
7750 (expand_call): Handle ECF_PURE calls too.
7751 (emit_library_call_value_1): Rename no_queue argument to fn_type,
7752 accept value of 2 as pure function.
7753 (emit_library_call_value, emit_library_call): Rename no_queue argument
7755 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
7757 * tree.h (DECL_IS_PURE): New macro.
7758 (struct tree_decl): Add pure_flag.
7759 * c-common.c (enum attrs): Add attribute "pure".
7760 (init_attributes): Initialize attribute "pure"
7761 (decl_attributes): Handle attribute "pure".
7762 * extend.texi (Attribute "pure"): Document.
7763 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
7765 (flags_from_decl_or_type): Support attribute "pure".
7767 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
7769 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
7770 the token except for numbers and identifiers.
7772 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
7774 * i386.c (ix86_expand_binary_operator,
7775 ix86_expand_unary_operator): Check no_new_pseudos
7776 instead of reload_in_progress and reload_completed.
7777 (ix86_split_ashldi, ix86_split_ashrdi,
7778 ix86_split_lshrdi): Check no_new_pseudos instead
7779 of reload_completed.
7781 2000-04-12 Jeffrey A Law (law@cygnus.com)
7783 * function.c (purge_addressof): Unshare any shared rtl created by
7784 purge_addressof and its children.
7786 2000-04-12 Mark Mitchell <mark@codesourcery.com>
7788 * function.c (aggregate_value_p): VOID_TYPE nodes are never
7791 2000-04-05 Andreas Jaeger <aj@suse.de>
7793 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
7794 not compiling PIC code, add flags for mabi=64.
7795 (SUBTARGET_CPP_SIZE_SPEC): New.
7796 (SUBTARGET_CPP_SPEC): New.
7797 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
7798 for MIPS/Linux and lots of code needs these defines.
7800 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
7802 * reorg.c (fill_slots_from_thread): Check side_effects_p when
7803 trying the "opposite arithmetic" approach.
7805 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7807 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
7808 (struct sh_args): Add new field force_mem.
7809 (INIT_CUMULATIVE_ARGS): Initialize it.
7810 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
7812 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
7814 * calls.c (expand_call): Do not reverse args in "equal from" field.
7815 (emit_library_call_value_1): Emit_libcall_block for const and pure
7818 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7820 * reload1.c (reload_combine): Don't enable optimization for fixed
7821 registers when encountering a BARRIER.
7823 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
7825 * builtins.c (expand_builtin_memcmp): Do expansion even with
7826 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
7828 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
7829 stack is propertly aligned; add sanity checking for aligned
7831 (expand_library_call_value_1): Add sanity checking for aligned
7834 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
7836 * calls.c (emit_library_call_value_1): Change 3rd arg to
7837 locate_and_pad_parm to disregard the setting of partial.
7839 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7841 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
7843 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
7844 CALL_INSN from the normal case.
7846 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
7848 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7849 New global variables.
7850 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
7852 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
7854 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
7855 TARGET_ADD_ESP_8): New macros.
7856 * i386.md: Add peep2s to convert esp adjustments to push and pop
7858 (pushsi_prologue, popsi_epilogue): New patterns.
7860 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7862 * real.c (toe64): Remove stale #endif from the last change.
7864 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
7866 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
7867 * real.c (toe64): Revert previous change.
7869 2000-04-12 Jakub Jelinek <jakub@redhat.com>
7871 * objc/objc-act.c: Include ggc.h.
7872 (objc_tree_index, objc_global_trees): Convert most of the
7873 static tree variables into a static array with previous names
7875 (objc_ellipsis_node): New variable.
7876 (lang_init): Call objc_act_parse_init and c_parse_init.
7877 Create objc_ellipsis_node.
7878 (build_selector_translation_table): Use objc_ellipsis_node instead
7880 (hack_method_prototype): Likewise.
7881 (get_arg_type_list): Likewise.
7882 (start_method_def): Likewise.
7883 (continue_method_def): Likewise.
7884 (gen_method_decl): Likewise.
7885 (ggc_mark_imp_list): New function.
7886 (ggc_mark_hash_table): New function.
7887 (objc_act_parse_init): New function.
7888 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
7889 * c-parse.in (c_parse_init): For objc add roots of objc specific
7890 local tree variables.
7891 * objc/objc-parse.y: Rebuilt.
7892 * objc/objc-parse.c: Rebuilt.
7893 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
7895 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
7897 * cse.c (delete_trivially_dead_insns): Also delete insns
7898 that copy a register to itself where the destination is
7901 2000-04-11 Richard Henderson <rth@cygnus.com>
7903 * flow.c (struct propagate_block_info): Add new_dead, new_live.
7904 (propagate_block): Initialize them. Use them in parallel instead
7905 of one tmp variable, ie revert much of the 0408 and 0407 functional
7906 changes, but keep the structural changes.
7907 (mark_set_regs): Take new_dead from propagate_block_info instead.
7908 (mark_set_1, mark_set_reg): Likewise.
7909 (mark_used_regs): Likewise with new_live.
7910 (mark_used_reg): Likewise. Revert 0408 change.
7912 2000-04-11 Nick Clifton <nickc@cygnus.com>
7914 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7916 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7918 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7920 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7921 const section to output a CONSTRUCTOR based on the same conditions
7924 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7926 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7927 * pa/pa-protos.h (output_call): Add additional argument indicating
7928 if the call is a sibling/tail call.
7929 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7930 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7931 (function_arg, function_arg_partial_nregs): Likewise
7932 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7933 (emit_move_sequence): Zero extend certain constants as needed
7935 (compute_zdepdi_operands, output_64bit_and): New functions.
7936 (output_64bit_ior, function_arg): Likewise.
7937 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7938 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7939 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7940 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7941 (output_bvb): Likewise.
7942 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7943 (output_call): New argument 'sibcall'. Generate sibcall sequences
7945 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7946 (ouput_arg_descriptor): Do not emit argument descriptors for
7948 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7950 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7951 (FUNCTION_OK_FOR_SIBALL): Define.
7952 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7953 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7954 (CPP_SPEC): Use new spec infrastructure.
7955 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7956 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7957 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7958 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7959 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7960 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7961 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7962 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7963 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7964 (FUNCTION_ARG); Call out to C code.
7965 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7966 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7967 (MIN_UNITS_PER_WORD): Likewise.
7968 * pa/pa.md (cmpdi): New expander.
7969 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7970 (64bit conditional arithmetic): New patterns.
7971 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7972 (movsicc): Not available if modes on all the operands to not match.
7973 (movdicc): New expander and associated patterns.
7974 (64bit branches): New patterns.
7975 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7976 (pre_ldd, post_std): New patterns.
7977 (64bit addil, load low part): New patterns.
7978 (special movsf constant): Not available for TARGET_64BIT.
7979 (movsf, movdf expanders): Force constants into memory.
7980 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7981 (64bit movdf/movdi patterns): New patterns.
7982 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7984 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7985 (adddi3 expander): Allow "arith_operand" for second input.
7986 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7987 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7988 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7989 (muldi3): New expander for TARGET_64BIT.
7990 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7992 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7993 patterns for TARGET_64BIT.
7994 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7995 patterns for TARGET_64BIT.
7996 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7997 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7998 (sibcall_epilogue): New expander.
7999 (casesi): Tweak for TARGET_64BIT.
8000 (call expanders): Set & use the outgoing argument pointer. Use the
8001 64bit call patterns as needed. Add additional arg to output_call.
8002 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8003 (sibcall, sibcall_internal_symref): New expanders.
8004 (sibcall_value, sibcall_value_internal_symref
8005 (interspace_jump): Turn into an expander + matching patterns.
8006 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8007 * pa/pa64-regs.h: Eliminate trigraph sequences.
8008 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8010 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8012 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8013 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8014 cpp_token with cpp_ttype everywhere.
8015 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8016 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8017 CPP_BUF_COL. Line and column numbers are unsigned int, not
8019 * cpplex.c (cpp_buf_line_and_col): Delete.
8020 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8021 'long lineno' to 'unsigned int lineno'.
8022 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8024 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8026 * extend.texi: ISO C99 is not a draft anymore.
8027 * invoke.texi: ISO C++ is not a draft anymore.
8028 * cpp.texi: __cplusplus is required by the ISO standard.
8030 * extend.texi (-fthis-is-variable): Undocument.
8031 * flags.h (warn_template_debugging): Remove declaration.
8032 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8033 -Wenum-clash, -Wtemplate-debugging): Undocument.
8035 2000-04-10 Nick Clifton <nickc@cygnus.com>
8037 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8039 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8041 (ARM_SIGN_EXTEND): Use HOST_UINT.
8042 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8043 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8044 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8045 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8047 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8048 (arm_gen_constant): Use HOST_UINT.
8049 (arm_canonicalize_constant): Use HOST_UINT.
8050 (arm_reload_in_hi): Use HOST_UINT.
8051 (arm_reload_out_hi): Use HOST_UINT.
8052 (output_multi_immediate): Use HOST_UINT.
8053 (int_log2): Use HOST_UINT.
8054 (arm_poke_function_name): Use HOST_UINT.
8055 (arm_output_epilogue): Use arm_volatile_func().
8056 (output_thumb_prologue): Use arm_strip_name_encoding().
8058 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8060 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8061 of sequence point problems.
8063 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8065 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8067 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8069 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8071 * sbitmap.h: Whitespace changes and use upper-case macro args.
8072 (struct simple_bitmap_def): All sizes now unsigned.
8073 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8074 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8075 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8076 (sbitmap_zero): Cast bzero arg to PTR.
8077 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8078 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8079 loop to make structure clearer.
8080 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8081 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8082 (sbitmap_a_and_b_or_c): Likewise.
8083 (sbitmap_intersection_of_succs): Minor cleanups.
8084 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8085 (sbitmap_union_of_preds): Likewise.
8086 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8087 (debug_sbitmap): New function.
8089 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8090 * c-typeck.c (convert_for_assignment): Likewise.
8092 * expmed.c (init_expmed): Don't free objects we make.
8093 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8095 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8096 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8098 * gcse.c (expr_hash_table_size): Now unsigned.
8099 (compute_ae_gen): Local variable `i' now unsigned.
8100 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8101 (compute_transout, hoist_code): Likewise.
8102 (compute_local_properties): Likewise, also hash_table_size.
8103 (alloc_expr_hash_table): N_INSNS now unsigned.
8104 (delete_null_pointer_checks): Mark arg F as unused.
8106 * regrename.c: Minor cleanups, including chang some variables
8109 2000-04-10 Neil Booth <NeilB@earthling.net>
8111 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8113 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8115 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8117 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8118 __classof__, and __headof__ from the list of gnu keywords.
8119 (-ansi): Remove -foperator-names from list of implied options.
8120 Do not call it ANSI C++.
8121 (-foperator-names): Document as -fno-operator-names.
8123 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8125 * cpphash.c (timestamp): Delete.
8126 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8127 (special_symbol): Remove unnecessary braces. Remove
8128 T_VERSION. Treat T_STDC like T_CONST unless
8129 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8130 when one is encountered, then convert them into T_MCONST
8132 * cppinit.c (builtin_array): version_string is T_MCONST.
8133 __STDC__ has a "1" in its cpval. Don't have a terminator
8134 entry. Clean up which entries are dumped.
8135 (initialize_builtins): Only __STDC__ gets the special
8136 -traditional treatment. Count the length of builtin_array.
8137 Render version_string here.
8138 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8139 * cpplib.h (struct cpp_reader): Remove timebuf.
8141 2000-04-09 Richard Henderson <rth@cygnus.com>
8143 * genrecog.c (pred): Update comparison_operator for the unordered
8146 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8148 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8149 (uno_comparison_operator): New.
8150 (put_condition_code): Handle UNORDERED/ORDERED.
8151 (unsigned_comparison): Likewise.
8152 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8153 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8154 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8155 update all callers. Handle all 8 unordered operators.
8156 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8157 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8158 * config/i386/i386.h (PREDICATE_CODES): Update.
8159 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8160 (ix86_expand_branch, ix86_expand_setcc): Update.
8161 * config/i386/i386.md (sunordered, sordered): New.
8162 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8163 (bunordered, bordered): New.
8164 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8165 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8166 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8168 2000-04-09 Philip Blundell <philb@gnu.org>
8170 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8172 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8174 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8175 fix_truncxfhi2): New patterns.
8176 * i386.c (output_fix_trunc): Handle converting to HImode.
8178 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8180 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8182 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8183 (for_each_successor_phi): Change parameter to basic_block.
8184 (coalesce_regs_in_successor_phi_nodes): Likewise.
8185 (coalesce_regs_in_copies): Likewise.
8186 (compute_coalesced_reg_partition): Use basic_block instead of index.
8187 * rtl.h (convert_to_ssa): Delete.
8188 (convert_from_ssa): Likewise.
8189 (successor_phi_fn): Likewise.
8190 (for_each_successor_phi): Likewise.
8191 (in_ssa_form): Likewise.
8192 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8193 (convert_from_ssa): Likewise.
8194 (successor_phi_fn): Likewise.
8195 (in_ssa_form): Likewise.
8196 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8197 * flow.c (calculate_global_regs_live): Pass a basic_block to
8198 for_each_successor_phi.
8200 2000-04-08 Richard Henderson <rth@cygnus.com>
8202 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8203 was modified in the current insn.
8205 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8207 * arm/thumb.md: Delete.
8208 * arm/thumb-protos.h: Delete.
8210 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8212 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8214 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8216 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8219 * arm.md (nop): Use the standard RTL expression. Don't code as a
8221 (*arm_nop, *thumb_nop): Delete.
8223 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8224 constants. Use casts instead.
8225 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8226 output_multi_immediate, arm_poke_function_name): Likewise.
8227 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8228 MASK_RETURN_ADDDR): Likewise.
8230 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8232 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8235 * arm.md (eh_epilogue): New function.
8236 * arm.h (struct machine_function): Move to here ...
8237 * arm.c: ... from here.
8238 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8239 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8240 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8242 2000-03-30 Nick Clifton <nickc@cygnus.com>
8244 * config/arm/semi.h (ASM_SPEC): Restore definition.
8245 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8247 * config/arm/elf.h (ASM_SPEC): Restore definition.
8248 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8250 * config/arm/arm.h (ASM_SPEC): Remove definition.
8251 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8253 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8255 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8257 2000-03-24 Nick Clifton <nickc@cygnus.com>
8259 Various formating tidyups, elimination of compile time
8260 warnings and synchronisation with internal sources:
8262 * config/arm/arm-protos.h (assemble_align): Add prototype.
8263 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8264 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8265 (arm_return_addr_rtx): Rename to arm_return_addr.
8267 * config/arm/arm.c: Include except.h.
8268 Define shorter typenames for strict minipool_node and struct
8270 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8272 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8273 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8275 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8277 (ASM_SPEC): Define if not already defined.
8278 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8280 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8281 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8282 arm_gen_compare_reg.
8283 (indirect_jump): Only accept register operands.
8284 (load_indirect_jump): Keep this pattern since combine can generate
8287 * config/arm/coff.h: Include aout.h.
8288 (MULTILIB_DEFAULTS): Only define if not already defined.
8290 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8291 into arm.h (so that COFF ports can support thumb based aliases).
8292 (ASM_SPEC): Move definition into arm.h
8294 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8295 redundant apcs spec.
8296 (ASM_SPEC): Move definition to arm.h
8298 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8300 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8301 for entries in the .bss section
8303 2000-03-23 Nick Clifton <nickc@cygnus.com>
8305 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8306 to thumb_far_jump_used_p.
8308 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8309 single integer parameter.
8311 * config/arm/arm.c (struct machine_function): Add two new
8312 fields, 'far_jump_used' and 'arg_pointer_live'.
8313 (thumb_far_jump_used_p): Once the decision has been made that
8314 far jumps might be used, always return true.
8315 If being called from the initial elimination offset macro then
8316 do not bother to perform the test if the arg pointer is not
8318 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8319 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8321 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8323 * arm.c (output_return_instruction): Handle more cases where we can
8324 return from a function with an ldr instruction.
8325 (arm_output_epilogue): Likewise.
8327 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8328 if we need to push a large stack frame and there are no callee-saved
8331 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8332 in ARM code if the frame pointer has been eliminated.
8334 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8335 unspec_volatile arguments to avoid duplicates.
8336 (consttable_1, consttable_2): Fixes for big-endian mode.
8338 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8341 Re-write constant pool code.
8342 * arm.c (minipool_node, minipool_fix): New types.
8343 (minifix): Delete type.
8344 (arm_add_minipool_constant): Delete.
8345 (arm_compute_minipool_offsets, arm_find_barrier,
8346 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8347 (get_jump_table_size): Now returns HOST_WIDE_INT.
8348 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8350 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8351 (assign_minipool_offsets, arm_print_value): Likewise.
8352 (dump_minipool): Rewrite.
8353 (arm_barrier_cost): New function.
8354 (create_fix_barrier): New function.
8355 (push_minipool_barrier): New function.
8356 (push_minipool_fix): Record additional information about the fixup
8358 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8359 check the mode of what needs fixing.
8360 (arm_reorg): Rewrite.
8362 2000-03-08 Nick Clifton <nickc@cygnus.com>
8364 * config/arm/arm.md (indirect_jump): Force constant addresses into
8367 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8369 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8371 2000-02-24 Nick Clifton <nickc@cygnus.com>
8373 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8374 adjust is word aligned.
8375 (thumb_expand_epilogue): Make sure that stack adjust is word
8378 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8380 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8382 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8383 pointer relative addresses.
8385 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8387 * arm.c (find_barrier): Find the last barrier within the allowed
8390 2000-02-09 Nick Clifton <nickc@cygnus.com>
8392 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8394 2000-02-09 Nick Clifton <nickc@cygnus.com>
8396 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8397 ARM_FUNCTION_PROFILER.
8399 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8400 ARM_FUNCTION_PROFILER.
8402 * config/arm/linux-oldld.h: Imported from mainline sources.
8404 2000-02-07 Nick Clifton <nickc@cygnus.com>
8406 * config/arm/lib1funcs.asm: Merge in thumb functions from
8409 * config/arm/lib1thumb.asm: Delete.
8411 2000-02-04 Nick Clifton <nickc@cygnus.com>
8413 * config/arm/arm.c: Sychronised with current Red hat local
8415 * config/arm/arm.h: Ditto.
8416 * config/arm/arm-protos.h: Ditto.
8418 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8420 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8422 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8425 2000-02-02 Nick Clifton <nickc@cygnus.com>
8427 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8429 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8430 (return) was emited using an emit_insn() call.
8432 2000-01-31 Nick Clifton <nickc@cygnus.com>
8434 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8436 (thumb_exit): Move frame pointer back into hard frame pointer
8437 register if backtracing is being used.
8439 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8441 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8444 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8446 * config/arm/arm.md (neg_pool_offset): Provide default for new
8448 (arm_movsi_insn): Add neg_pool_offset attribute.
8449 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8450 rtx for the insn that starts the scan and an unsigned long for its
8451 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8452 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8453 instructions in *PINSERTED.
8454 (struct minipool_fixup): Add MIN_ADDRESS elt.
8455 (sort_fixups): Compute it.
8456 (arm_reorg): Changes to support inserting pools before the insn to be
8459 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8461 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8462 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8463 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8465 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8467 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8469 (TARGET_DEFAULT): Do not define if already defined.
8471 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8473 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8474 (iordi3): Allow disjoint source operands.
8475 (xordi3): Allow disjoint source operands.
8476 (negdi2): Permit construction for ARM and Thumb.
8477 (arm_negdi2): Renamed version of old negdi2 pattern.
8478 (thumb_negdi2): New pattern: Only permit non-overlapping
8479 source and destination.
8481 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8483 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8484 scratch low register so that it will not be deleted.
8486 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8488 * config/arm/pe.h (ARM_PE): Define.
8490 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8491 interfacearm attribute if this is a PE toolchain.
8492 (output_return_instruction): Do not emit anything if the function
8493 has the naked attribute set.
8494 (is_called_in_ARM_mode): If the function has the interfacearm
8495 attribute then return true.
8496 (thumb_expand_prologue): Do not generate a prologue for naked
8498 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8500 (output_thumb_prologue): Do not bother if the function is naked.
8501 Strip PE encoding from function name before emitting.
8503 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8505 * arm.md (pic_load_addr): Fix constraints.
8507 * arm.md (casesi_insn): Fix mis-applied patch.
8509 * arm.md ("core" function unit): Add rules for single- and
8511 (All TARGET_THUMB patterns): Add "type" attribute information
8513 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8514 the following insn is a CALL.
8516 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8518 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8519 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8520 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8522 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8524 * config/arm/linux-gas.h: oops - this file was missed out when the
8525 branch was created...
8527 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8529 * thumb.c: Deleted. Move contents to ...
8531 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8533 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8536 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8537 declare a prototype for asm_output_align();
8539 * arm.c (thumb_condition_code): Delete.
8540 (arm_print_operand): Always use arm_condition_code array.
8542 * arm.c (thumb_return_addr_rtx): Delete.
8543 (arm_save_machine_status, arm_restore_machine_status): Delete.
8544 (arm_init_machine_status, arm_mark_machine_status): New functions.
8545 (arm_init_expanders): Update accordingly.
8546 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8547 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8548 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8550 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8552 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8554 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8557 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8559 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8560 stack backtrace structure.
8562 * config/arm/arm-protos.h: Add prototypes for functions defined in
8565 * config/arm/arm.c (arm_override_options): Fix selection of
8566 attributes of default processor.
8568 * config/arm/coff.h: Delete needless #include.
8570 * config/arm/pe.c: Delete unused code.
8572 * config/arm/pe.h (CPP_DEFINES): Delete
8573 (SUBTARGET_CPP_SPEC): Define.
8574 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8576 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8578 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8580 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8582 (CAN_DEBUG_WITHOUT_FP): Define.
8583 (FIXED_REGISTERS): Make r11 call-saved.
8584 (CALL_USED_REGISTERS): Likewise.
8585 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8586 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8587 frame-pointer is required.
8588 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8589 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8590 if the target normally needs a stack frame in non-leaf functions.
8591 (use_return_insn): Correct logic for determining when a return
8592 instruction can be used.
8593 (output_return_instruction): Handle the frame-pointer register as
8594 a normal register when not TARGET_APCS_FRAME.
8595 (arm_output_prologue): Likewise.
8596 (arm_output_epilogue): Likewise.
8597 (output_func_epilogue): Likewise.
8598 (arm_expand_prologue): Likewise.
8599 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8601 * arm.c (use_return_insn): No need to check floating point regs if
8603 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8604 the code of value stored in the minipool array.
8605 (arm_add_minipool_constant): Likewise.
8607 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8609 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8611 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8613 * tree.c (tree_expr_nonnegative_p): New function.
8615 * tree.h (tree_expr_nonnegative_p): Declare.
8617 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8618 elide some sign_compare warnings.
8619 (build_conditional_expr): Likewise.
8621 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8623 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8625 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8626 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8627 operand. Abort if a 387 operand has an unsupported size.
8629 2000-04-08 Neil Booth <NeilB@earthling.net>
8631 * cppexp.c (parse_charconst): Null does not end character
8633 * cppinit.c (ISTABLE): Null character handled as whitespace.
8634 * cpplex.c (null_warning): new function.
8635 (skip_string): Emit warning if nulls encountered.
8636 (_cpp_skip_hspace): Emit warning if nulls encountered.
8637 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8641 2000-04-07 Richard Henderson <rth@cygnus.com>
8643 * flow.c (loop_depth): Remove.
8644 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8645 (struct propagate_block_info): New.
8646 (life_analysis): Don't allocate reg_next_use.
8647 (propagate_block_delete_insn): Break out of propagate_block.
8648 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8649 (propagate_block_delete_libcall): Likewise.
8650 (propagate_block): Create a propagate_block_info struct to pass
8651 to subroutines. Allocate one not two temporary regsets. Don't
8652 clobber memory for const calls. Look for clobbers in
8653 CALL_INSN_FUNCTION_USAGE.
8654 (mark_set_regs): Recognize COND_EXEC.
8655 (mark_set_reg): Break out of mark_set_1.
8656 (mark_used_reg): Break out of mark_used_regs.
8657 (mark_used_regs): Recognize COND_EXEC.
8658 (insn_dead_p): Use propagate_block_info struct.
8659 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8660 (find_auto_inc, try_pre_increment_1): Likewise.
8661 (print_rtl_with_bb): Dump regs live at end too.
8662 (count_reg_sets_1): Pass in loop_depth.
8663 (count_reg_sets, count_reg_references): Likewise.
8664 (recompute_reg_usage): Provide it.
8666 2000-04-07 Richard Henderson <rth@cygnus.com>
8668 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8671 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
8673 * cpplib.c (do_elif): Skip the rest of the line if we're
8674 not going to bother evaluating it.
8675 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
8676 to avoid pointless calls to the lexer.
8678 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
8680 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
8682 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
8684 * calls.c (expand_call): emit_queue if we're trying a sibcall.
8686 2000-04-07 Jakub Jelinek <jakub@redhat.com>
8688 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
8690 2000-04-06 Geoff Keating <geoffk@cygnus.com>
8692 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
8693 crtend so they can be multilibbed.
8694 (STAGESTUFF): Remove s-crt and s-crtS.
8696 2000-04-07 Richard Henderson <rth@cygnus.com>
8698 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
8699 if we discover we need a pseudo and no_new_pseudos is true.
8700 * config/alpha/alpha.md (ne:DI insn): New.
8701 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
8703 2000-04-07 Richard Henderson <rth@cygnus.com>
8705 * rtl.def (COND_EXEC): New.
8706 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
8707 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
8709 * genconfig.c (have_cond_arith_flag): Remove.
8710 (have_cond_exec_flag): New.
8711 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
8712 (main): Print HAVE_conditional_execution.
8714 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
8715 (sched_analyze_insn, print_pattern): Likewise.
8716 * reload.c (find_equiv_reg): Likewise.
8717 * rtlanal.c (reg_referenced_p): Likewise.
8718 (note_stores, dead_or_set_regno_p): Likewise.
8719 (reg_overlap_mentioned_p): Rewrite to use a switch.
8721 * ggc.h (struct rtx_def): Forward declare.
8723 * print-rtl.c (debug_rtx_range): New.
8724 * rtl.h (debug_rtx_range): Declare.
8726 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
8728 * gcse.c (gcse_main): Don't rebuild the CFG here.
8729 (delete_null_pointer_checks): Likewise.
8730 * ssa.c (convert_to_ssa): Likewise.
8731 * toplev.c (rest_of_compilation): Do it here instead. Combine
8732 sequential calls to TIMEVAR. Consistently use `insns' instead of
8733 `get_insns()'. Always split insns after reload when optimizing.
8735 * basic-block.h (merge_blocks_nomove): Declare.
8736 (tidy_fallthru_edge): Declare.
8737 * flow.c (merge_blocks_nomove): Document as merging into previous
8738 blocks. Remove cruft from between blocks; remove all edges out of A.
8739 (tidy_fallthru_edge): Export.
8741 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8743 * ssa.c (compute_conservative_reg_partition): Declare with
8745 * toplev.c (clean_dump_file): Remove previously-deleted function
8746 inadvertantly merged back in.
8747 * conflict.c (conflict_graph_add): Use a single call to
8748 htab_find_slot to look up and insert.
8750 2000-04-06 Richard Henderson <rth@cygnus.com>
8752 * genrecog.c (*): Rename _last_insn to last_insn.
8753 (make_insn_sequence): Set the position of the peephole2 C test
8754 to be at the last insn.
8756 2000-04-06 Richard Henderson <rth@cygnus.com>
8758 * flow.c (compute_flow_dominators): Free worklist.
8760 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
8762 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
8764 2000-04-06 Alex Samuel <samuel@codesourcery.com>
8766 * rtl.h (INSN_P): New macro.
8767 (successor_phi_fn): New typedef.
8768 (for_each_successor_phi): New prototype.
8769 (in_ssa_form): New variable.
8770 (PHI_NODE_P): Likewise.
8771 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
8772 phi nodes in successors.
8773 (mark_used_regs): Add PHI case.
8774 (set_phi_alternative_reg): New function.
8775 (life_analysis): Assert that dead code elimination is not selected
8777 * toplev.c (to_ssa_time): New variable.
8778 (from_ssa_time): Likewise.
8779 (compile_file): Zero to_ssa_time and from_ssa_time.
8780 Print time to convert to and from SSA.
8781 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
8782 (print_time): Compute percent fraction as integer.
8783 * ssa.c (PHI_NODE_P): Moved to rtl.h.
8784 (convert_to_ssa): Check if we're already in SSA.
8785 Don't eliminate dead code in life_analysis.
8786 Rerun flow and life analysis at bottom.
8787 (eliminate_phi): Use canonical regnos when adding nodes.
8788 (mark_reg_in_phi): New function.
8789 (mark_phi_and_copy_regs): Likewise.
8790 (convert_from_ssa): Rerun life analysis at top.
8791 Use coalesced partition.
8792 Check for removing a phi node at the end of the block.
8793 (compute_coalesced_reg_partition): New function.
8794 (coalesce_regs_in_copies): Likewise.
8795 (coalesce_reg_in_phi): Likewise.
8796 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
8797 (for_each_successor_phi): Likewise.
8798 (rename_context): New struct.
8799 (rename_block): Use a rename_context with rename_insn_1. When
8800 renaming sets of a subreg, emit a copy of the entire reg first.
8801 (rename_insn_1): Treat data as a rename_context *. Save current
8803 (rename_set_data): Add field set_insn.
8804 * Makefile.in (HASHTAB_H): Move up in file.
8805 (OBSTACK_H): New macro.
8806 (collect2.o): Use OBSTACK_H in dependencies.
8807 (sdbout.o): Likewise.
8808 (emit-rtl.o): Likewise.
8809 (simplify-rtx.o): Likewise.
8810 (fix-header.o): Likewise.
8811 (OBJS): Add conflict.o.
8812 (conflict.o): New rule.
8813 * basic-block.h: Include partition.h.
8814 (conflict_graph): New typedef.
8815 (conflict_graph_enum_fn): Likewise.
8816 (conflict_graph_new): New prototype.
8817 (conflict_graph_delete): Likewise.
8818 (conflict_graph_add): Likewise.
8819 (conflict_graph_conflict_p): Likewise.
8820 (conflict_graph_enum): Likewise.
8821 (conflict_graph_merge_regs): Likewise.
8822 (conflict_graph_print): Likewise.
8823 (conflict_graph_compute): Likewise.
8824 * conflict.c: New file.
8826 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
8828 * tlink.c (read_repo_files): Don't look for .rpo info for
8831 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8833 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
8835 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8837 * config/sh/lib1funcs.asm (___udivsi3_i4):
8838 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
8839 only depends on FMOVD_WORKS.
8841 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8843 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
8844 make double constant 8-byte aligned.
8846 2000-04-06 Jakub Jelinek <jakub@redhat.com>
8848 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
8849 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
8850 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
8851 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
8852 Accept storing GENERAL_REGS into offsetable memory.
8853 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
8854 building a TFmode constant other than 0.0L into GENERAL_REGS.
8856 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
8858 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
8860 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
8862 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
8863 (macro_cleanup): No need to cast pbuf->macro.
8864 (collect_expansion): Use _cpp_get_define_token. Goto done if
8865 it returns VSPACE. Remove check for trailing space after
8867 (_cpp_create_definition): Don't diddle flags here. Return
8869 (unsafe_chars): Handle c1 being EOF.
8870 (push_macro_expansion): Use unsafe_chars for both accidental-paste
8871 checks. Don't push the buffer till after we're done with
8873 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
8874 (PEEKN, FORWARD, GETC, PEEKC): Use them.
8875 (cpp_push_buffer): Don't set new->alimit. Set new->mark
8877 (_cpp_parse_assertion): Don't NUL terminate.
8878 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
8879 hspace before calling _cpp_parse_assertion. Remove all sets
8880 of only_seen_white. Treat '\f' as hspace. Don't do anything
8881 special with '\n' here.
8882 (maybe_macroexpand): Handle T_EMPTY hash entries without
8883 pushing a buffer at all.
8884 (cpp_get_token): Handle clearing only_seen_white here. Handle
8885 incrementing the line number here. Clear
8886 potential_control_macro as well as only_seen_white, if
8888 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
8889 (_cpp_get_define_token): New function, basically like
8890 _cpp_get_directive_token was but doesn't eat horizontal space.
8891 Don't do anything with only_seen_white here.
8892 (_cpp_get_directive_token): Just call _cpp_get_define_token
8893 repeatedly till it returns non-hspace.
8895 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
8896 (conditional_skip, skip_if_group): Return int.
8897 (DIRECTIVE_TABLE): Change origin of all conditional directives
8899 (TRAD_DIRECT_P): New macro.
8900 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
8901 an error for a bogus directive, unless -lang-asm. Use
8902 TRAD_DIRECT_P. Loop calling handler functions till one returns
8904 (get_macro_name): Don't diddle flags here.
8905 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8906 Create T_EMPTY nodes for #define macro /* nothing */.
8907 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8908 Use hp->name when calling pass_thru_directive.
8909 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8910 Return the result of conditional_skip and/or skip_if_group.
8911 Don't call _cpp_output_line_command.
8912 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8913 Issue -Wtraditional warnings as appropriate. Don't complain
8914 about unrecognized directives. If we are to stop skipping,
8915 return the number of the directive that ended the skip.
8916 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8917 expansion and line commands while skipping. Return the result
8918 of consider_directive_while_skipping, if nonzero.
8919 (do_endif): Just set potential_control_macro here.
8920 (validate_else): Use _cpp_get_directive_token.
8921 (do_assert, do_unassert): Don't save pointers into the
8922 token_buffer across calls to the lexer. Use
8923 _cpp_get_directive_token.
8925 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8926 pointer, not an offset. Replace 'data', which was a generic
8927 pointer, with 'macro', which points to a struct hashnode.
8928 (cpp_reader): Add 'potential_control_macro' pointer.
8929 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8930 (CPP_BUF_GET, CPP_FORWARD): Delete.
8931 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8932 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8933 ACTIVE_MARK_P): Update.
8934 (_cpp_get_define_token): New internal function.
8935 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8937 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8939 * configure.in: And here.
8940 * configure: Regenerate.
8941 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8942 --enable-libstdcxx-v3 is passed at configure time.
8943 * config.h.in: Regenerate.
8945 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8947 * final.c (final): Use xcalloc to allocate line_note_exists.
8948 * function.c (free_after_compilation): Free the temp_slots.
8949 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8950 (combine_temp_slot): Free temp_slots when they get combined.
8951 (purge_addressof): Fix typo in comment.
8952 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8953 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8955 * ggc.h: Include varray.h.
8956 (ggc_pending_trees): Declare.
8957 (ggc_mark_tree_children): Remove declaration.
8958 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8959 * ggc-common.c (ggc_pending_trees): New variable.
8960 (ggc_mark_roots): Call ggc_mark_trees.
8961 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8962 the ggc_pending_trees.
8963 * Makefile.in (GGC_H): New variable. Use it throughout in place
8966 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8968 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8971 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8973 * sh.c (sh_insn_length_adjustment): New function.
8974 * sh-protos.h (sh_insn_length_adjustment): Declare.
8975 * sh.h (ADJUST_INSN_LENGTH): Use it.
8977 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8979 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8980 from the insn where REG_RETVAL is added.
8981 (emit_no_conflict_block): Ditto.
8983 * md.texi (Standard Names): Clarify when movX is needed.
8985 * combine.c (simplify_comparison) [MINUS]: Do not replace
8986 all (op (minus A B) 0) with (op A B).
8988 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8989 J"orn Rennecke <amylaar@cygnus.co.uk>
8991 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8992 (block_lump_real): Likewise.
8994 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8996 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8997 remaining non-zero debugging masks.
8999 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9001 * basic-block.h (verify_flow_info): Declare.
9002 (flow_loop_outside_edge_p): Declare.
9003 * flow.c (verify_flow_info): Remove declaration.
9004 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9006 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9008 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9011 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9013 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9014 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9015 seqdi_zero_trunc+1): Allow splits only if registers are
9018 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9020 * acconfig.h: Add HAVE_GAS_HIDDEN.
9021 * config.in: Regenerated.
9022 * configure.in: Add test for .hidden pseudo-op in gas.
9023 * configure: Regenerated.
9024 * crtstuff.c: Include auto-host.h.
9025 Emit additional .hidden pseudo-op for __dso_handle if the
9026 assembler knows about it.
9028 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9030 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9031 before freeing argnames.
9032 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9034 2000-04-05 Michael Meissner <meissner@redhat.com>
9036 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9037 Walton <jonboy@gordian.com> to make memory references with update
9038 work wtih -mregnames.
9040 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9042 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9043 (regrename_optimize): Rename variables `def_uses' and
9044 `ext_basic_blocks' to avoid conflicts with similarly named
9045 typedefs in traditional C.
9047 * calls.c (initialize_argument_information): Fix typo in previous
9050 2000-04-04 Richard Henderson <rth@cygnus.com>
9052 * regrename.c (consider_available): Test fixed_regs not
9053 PIC_OFFSET_TABLE_REGNUM.
9055 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9057 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9059 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9060 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9061 (ENDFILE_LINUX_SPEC): Always use crtend.
9062 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9063 (powerpc-*-linux-gnu): Likewise.
9064 * configure: Regenerate.
9066 * config/rs6000/eabi.h: Don't include sysv4.h.
9067 (MULTILIB_DEFAULTS): Don't define.
9068 * config/rs6000/eabiaix.h: Don't include eabi.h.
9069 * config/rs6000/eabile.h: Delete.
9070 * config/rs6000/eabilesim.h: Delete.
9071 * config/rs6000/eabisim.h: Don't include eabi.h.
9072 * config/rs6000/linux.h: Don't include sysv4.h.
9073 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9074 (MULTILIB_DEFAULTS): Don't redefine.
9075 * config/rs6000/rtems.h: Don't include eabi.h.
9076 * config/rs6000/sol2.h: Don't include sysv4le.h.
9077 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9078 * config/rs6000/t-ppc: Delete.
9079 * config/rs6000/t-ppcgas: Correct comment.
9080 * config/rs6000/t-ppcos: Correct comment. Don't build
9081 multilibs for -fPIC, rather use -fPIC -mstrict-align
9083 * config/rs6000/t-ppc: Delete.
9084 * config/rs6000/vxppc.h: Don't include sysv4.h.
9085 * config/rs6000/vxppcle.h: Delete.
9086 * configure.in: Use multiple header files for p2pc ELF targets
9087 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9088 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9089 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9090 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9091 always available for these platforms.
9093 2000-04-04 Richard Henderson <rth@cygnus.com>
9095 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9097 2000-04-04 Stan Cox <scox@cygnus.com>
9099 * Makefile.in: Add rules for regrename.o
9100 * regrename.c: New file.
9101 * rtl.h (regrename_optimize): Add prototype.
9102 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9103 (compile_file, decode_d_option): Add support for -frename-registers.
9104 (rest_of_compilation): Call regrename_optimize.
9105 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9108 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9110 * Makefile (gccbug): New target.
9111 (doc): Depend on it.
9112 * gcc.texi (Bugs): Link subnodes.
9114 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9115 Document severities, priorities, and classes in bug form.
9117 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9119 * cpplex.c (trigraph_map, speccase): Combine into single
9121 (NORMAL, NONTRI): New macros.
9122 (_cpp_read_and_prescan): Change to use unified table. Use
9123 is_hspace to test for whitespace.
9125 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9126 definition that doesn't provoke the "empty body in an
9127 if-statement" warning.
9129 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9131 * builtins.c (expand_builtin_strlen): Force the source to
9132 be a memory address.
9134 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9136 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9138 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9140 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9141 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9142 (ECF_IS_CONST): Rename to ECF_CONST.
9143 (special_function_p): Make static, change interface.
9144 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9145 (expand_call) ... here; convert number of variables to flags.
9146 (emit_library_call_vlue_1): Likewise.
9147 (setjmp_call_p): New function.
9148 (initialize_argument_information): Accepts flags as argument;
9150 (precompute_arguments): Likewise.
9151 * tree.h (special_function_p): Remove.
9152 (setjmp_call_p): Add prototype.
9154 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9156 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9157 so that addresses are offsetable by up to 16 bytes.
9158 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9159 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9162 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9163 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9164 (movsf): Don't force any constant to memory if target is integer
9166 Move fp_zero_operand check below the const0_rtx check.
9167 (movtf): Likewise. Also allow fp_zero_operand for stores into
9169 (movdf): Likewise. Also allow fp_zero_operand for stores into
9170 memory and into integer hard registers.
9171 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9172 movdf_const_intreg_sp64): Remove.
9173 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9175 (movdf_no_e_insn_v9_sp32): New pattern.
9176 (movdf_insn_v9only): Remove.
9177 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9178 (movdf_insn_sp64): Remove.
9179 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9180 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9181 (following splits): Rewrite conditions. Add two new splits
9182 for storing 0.0 into memory and registers.
9183 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9184 (movtf_insn_sp32): Redo constraints and conditions.
9185 (movtf_insn_vis_sp32): New pattern.
9186 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9187 (movtf_insn_hq_sp64): Likewise.
9188 (movtf_insn_hq_vis_sp64): New pattern.
9189 (movtf_insn_sp64): Redo constraints and conditions.
9190 (movtf_insn_vis_sp64): New pattern.
9191 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9192 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9194 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9195 -mvis or -m64 to take down the number of various reload patterns.
9197 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9199 * pa/pa-64.h: New file.
9200 * pa/pa64-regs.h: New file.
9201 * pa/pa64-start.h: New file.
9202 * pa/t-pa64: New file.
9203 * pa/xm-pa64hpux.h: New file.
9205 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9207 * sparc.c (output_restore_regs): Prototype.
9208 (sparc_emit_float_lib_cmp): Constification.
9210 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9212 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9215 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9216 (get_value_hash, hash_rtx): Likewise.
9218 * ssa.c (compute_conservative_reg_partition): Prototype.
9220 * tree.c (mark_hash_entry): Prototype.
9222 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9224 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9225 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9226 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9228 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9229 * objc/lang-specs.h: Likewise.
9231 2000-04-03 Neil Booth <NeilB@earthling.net>
9233 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9234 and SYNTAX_ERROR2. Replace `' in messages with ''.
9235 (op_to_str): Make re-entrant.
9236 (_cpp_parse_expr): Implement new error macros. Use | rather
9237 than || to logically or 2 boolean integers. Simply expression
9238 checking we have a left operand iff needed.
9240 2000-04-03 Nick Clifton <nickc@cygnus.com>
9242 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9244 2000-04-03 Philip Blundell <philb@gnu.org>
9246 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9248 2000-04-03 Felix Lee <flee@cygnus.com>
9250 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9251 (run_shell): Use it.
9253 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9255 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9256 (stmp-fixproto): ...rather than here.
9258 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9260 * pa.c (print_operand): Compute 'base' only inside the code paths
9263 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9265 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9268 2000-04-03 Philipp Thomas <pthomas@suse.de>
9270 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9272 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9274 * Makefile.in (alias.o): Depend on $(TREE_H).
9276 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9278 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9280 * cpplib.c (_cpp_handle_directive): Improve warnings for
9281 traditional C and indented directives.
9283 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9284 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9285 fixinc/inclhack.def: Indent the # of #include_next one space.
9286 * cp/rtti.c: Un-indent #if and #endif.
9288 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9289 syntax error, but an error has already been printed.
9290 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9291 message when called with nothing remaining on the line.
9292 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9293 OTHER token, not an ASSERTION.
9294 * cpplib.c (do_assert): When we create a 'base' node, clear
9295 its aschain pointer.
9297 2000-04-02 Neil Booth <NeilB@earthling.net>
9299 * cppexp.c: New typedef op_t. struct operation and struct
9300 token updated to use it.
9301 (op_to_str): New function.
9302 (_cpp_parse_expr): Error messages modified to use op_to_str.
9304 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9306 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9307 before checking MUST_PASS_IN_STACK.
9309 2000-04-02 Neil Booth <NeilB@earthling.net>
9311 * cppexp.c: New FINISHED dummy token. Combine operator initial
9312 flags and initial priority into a single constant. New
9313 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9314 (_parse_cpp_expr): Implement new constants. Take left operand
9315 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9316 parse indicated by reducing FINISHED token. Remove new lines
9317 from cpp_error messages.
9319 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9321 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9324 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9326 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9327 directive. Add origin values to DIRECTIVE_TABLE. Generate
9328 the strings and function names on the fly. Take the #sccs
9329 entry out of the table if SCCS_DIRECTIVE is not defined.
9330 (_cpp_handle_directive): Decide if the # was at the beginning
9331 of the line here. Issue -pedantic warnings for extended
9332 directives here. Warn about K+R directives with the #
9333 indented, and C89/extended directives with the # not indented,
9335 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9336 do_assert, do_unassert): Don't issue pedantic warning here.
9338 * cpphash.h: Add CPP_WTRADITIONAL macro.
9339 * cpplib.h (struct cpp_options): Rename warn_stringify to
9340 warn_traditional; update comments.
9341 * cppinit.c (handle_option): Set warn_traditional not
9343 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9344 CPP_WTRADITIONAL (pfile).
9345 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9346 be ignored in -traditional mode here.
9348 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9349 to initialize speccase[] and trigraph_map[]. Delete all
9350 references to pfile->input_speccase. Always treat '?' as a
9351 special character. Remove table-initialization code from
9352 _cpp_init_input_buffer.
9354 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9355 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9357 2000-04-01 Richard Henderson <rth@cygnus.com>
9359 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9360 (mostlyclean): Likewise.
9362 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9363 (struct dump_file_info, enum dump_file_index, dump_file): New.
9364 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9365 not a string. Clean out file if we havn't yet done so. Do nothing
9366 if the dump isn't enabled.
9367 (close_dump_file): Do nothing if the dump isn't open. Dump
9368 graph data if requested.
9369 (dump_rtl, clean_dump_file): Remove.
9370 (compile_file): Don't clean the dump files. Only finalize .bp dump
9371 if flag_test_coverage or flag_branch_probabilities. Only finalize
9372 .combine dump if optimizing. Iterate over dump_file to finalize the
9374 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9375 Convert all uses of dump_rtl.
9376 (decode_d_option): Iterate over dump_file to implement 'a' and to
9377 locate pass-specific dumps.
9379 2000-04-01 Neil Booth <NeilB@earthling.net>
9381 * cppexp.c: Redefine priority constants.
9382 (_cpp_parse_expr): Replace left and right priority scheme with
9383 single priority logic. Move LOGICAL to same place as COMPARE.
9384 Remove bogus check for multiple unary +/- operators.
9386 2000-04-01 Neil Booth <NeilB@earthling.net>
9388 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9389 within the switch statement. Binary operations break out of
9390 the switch naturally. '(' tokens handled by forcing
9391 immediate shift. ')' handled by forcing immediate reduce to
9392 the previous '('. New error messages.
9394 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9396 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9397 part', it's already in use. Use %K instead. Add a return at the
9398 end of what is now %K.
9399 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9401 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9403 * builtins.c (expand_builtin_apply): Pass proper parameters to
9404 allocate_dynamic_stack_space.
9405 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9406 update stack_pointer_delta; do not update arg_size_so_far.
9407 (compute_argument_block_size): Use stack_delta instead of
9408 stack_pointer_pending and arg_size_so_far.
9409 (expand_call): Add sanity checking for stack_pointer_delta;
9410 save and restore stack_pointer_delta for SIB, use
9411 stack_pointer_delta for alignment; do not update arg_space_so_far.
9412 (emit_library_call_value): Use stack_pointer_delta for alignment.
9413 (store_one_arg): Do not update arg_space_so_far.
9414 * explow.c (adjust_stack, anti_adjust_stack): Update
9415 stack_pointer_delta.
9416 (allocate_dynamic_stack_space): Add sanity checking for
9417 stack_pointer_delta.
9418 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9419 stack_pointer_delta.
9420 (emit_push_insn): Update stack_pointer_delta.
9421 * function.h (struct expr_status): Add x_stack_pointer_delta;
9422 remove x_arg_space_so_far.
9423 (arg_space_so_far): Remove.
9424 (stack_pointer_delta): New macro.
9426 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9428 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9429 Reorder struct cpp_options and struct cpp_reader for better
9430 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9431 takes two args. Change all 'char' flags to 'unsigned char'.
9432 Move show_column flag into struct cpp_options. Don't
9433 prototype cpp_options_init.
9434 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9435 cppinit.c, cpplex.c, cpplib.c:
9436 Replace CPP_OPTIONS (pfile)->whatever with
9437 CPP_OPTION (pfile, whatever), and likewise for
9438 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9440 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9441 Extract CPP_OPTION (pfile, pending) and work with that
9443 (cpp_options_init): Delete.
9444 (cpp_reader_init): Turn on on-by-default options here.
9445 Allocate the pending structure here.
9446 (cl_options, enum opt_code): Define these from the same table,
9447 kept in a large macro. Add -fshow-column and -fno-show-column
9450 * cpperror.c (v_message): If show_column is off, don't print
9453 * cppmain.c: Update for new interface.
9454 * fix-header.c: Likewise.
9456 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9458 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9460 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9461 are passed to any invocation of AR_FOR_TARGET.
9462 (AR_CREATE_FOR_TARGET): New macro.
9463 (AR_EXTRACT_FOR_TARGET): New macro.
9464 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9465 AR_EXTRACT_FOR_TARGET.
9466 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9467 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9468 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9469 AR_EXTRACT_FOR_TARGET to sub-makes.
9471 2000-03-31 Neil Booth <NeilB@earthling.net>
9473 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9475 (_cpp_parse_expr): Check for multiple unary +/- operators.
9476 Correct priorities of ':' and '?'. Treat ')' as having a
9477 value. Ensure conditional expression is not void.
9479 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9481 * alias.c (canon_rtx): Make it global.
9482 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9484 * cse.c (struct table_elt): Add canon_exp.
9486 (invalidate): Canonicalize expressions only once.
9487 * rtl.h (canon_rtx): Declare.
9489 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9491 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9492 * alias.c (reg_known_value): Add comments.
9493 (init_alias_analysis): Likewise.
9494 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9496 (cse_basic_block): Fix typo in comment.
9497 * emit-rtl.c: Include hashtab.h.
9498 (const_int_htab): New variable.
9499 (const_int_htab_hash): New function.
9500 (const_int_htab_eq): Likewise.
9501 (rtx_htab_mark_1): Likewise.
9502 (rtx_htab_mark): Likewise.
9503 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9504 (unshare_all_rtx): Fix formatting.
9505 (init_emit_once): Initialize const_int_htab.
9506 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9508 * rtl.texi: Document the fact that all CONST_INTs with the same
9511 2000-03-30 Richard Henderson <rth@cygnus.com>
9513 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9515 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9517 * configure.in: Comment out --enable-c-cpplib stanza.
9518 * configure: Regenerate.
9520 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9522 * expr.c (store_constructor): Properly compute displacement and
9523 alignment when offset is variable.
9525 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9526 cases of alignment in bytes.
9528 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9530 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9531 since it is used to generate c-parse.y.
9532 * objc-parse.c, objc-parse.y: Regenerated.
9534 * function.c (expand_function_end): Pass alignment argument to
9535 emit_block_move in bits, not bytes.
9537 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9539 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9542 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9544 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9545 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9546 * function.c (assign_parms): Likewise.
9547 * integrate.c (expand_inline_function): Likewise.
9548 * stmt.c (expand_decl): Likewise.
9549 (copy_rtx_and_substitute): Likewise.
9550 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9551 (clear_by_pieces): Fix error in last change.
9552 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9553 * function.h (regno_pointer_align): Now unsigned.
9554 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9556 * config/i386/i386.c (aligned_operand): Likewise.
9557 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9558 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9559 (unaligned_memory_operand): Likewise.
9560 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9561 Also make alignments and sizes unsigned and some whitespace cleanup.
9562 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9564 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9565 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9566 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9567 (expand_builtin_memset): Likewise, but to clear_storage.
9568 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9569 (restore_fixed_argument_area): Likewise.
9570 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9571 (load_register_parameters): Likewise, to emit_group_load.
9572 (expand_call): Likewise, to emit_group_store and emit_block_move.
9573 (emit_library_call_value_1): Likewise, to emit_block_move.
9574 (store_one_arg): Likewise, and to emit_push_insn.
9575 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9576 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9577 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9578 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9579 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9580 (expand_assigment, store_expr, store_constructor_field): Likewise.
9581 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9582 (store_constructor, store_field, get_inner_reference): Likewise.
9583 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9584 (expand_expr, case COMPONENT_REF): Likewise.
9585 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9586 and positions; reindent code.
9587 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9588 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9589 (assign_parms): Likewise to emit_group_store.
9590 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9591 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9592 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9593 (expand_return): Likewise to {extract,store}_bit_field.
9594 * stor-layout.c (get_mode_alignment): Minor cleanup.
9595 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9596 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9598 2000-03-29 Nick Clifton <nickc@cygnus.com>
9600 * config/arm/arm.h: Undo effects of previous delta:
9601 (ASM_SPEC): Do not define.
9602 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9604 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9607 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9609 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9610 only after reading in the primary source file.
9612 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9614 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9615 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9616 or a reference to a va_list.
9617 * builtins.c (stabilize_va_list): Simplify now we don't have to
9618 work around C array address decay.
9619 * c-typeck.c (convert_for_assignment): Handle assignment to
9620 a reference parameter by taking the address of the RHS.
9621 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9622 (va_copy): Likewise.
9623 (__va_copy): Likewise.
9624 * ginclude/varargs.h (va_start): Likewise.
9625 (__va_copy): Likewise.
9627 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9629 * i386/djgpp.h: Remove extraneous "+".
9631 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9633 * calls.c (expand_call): Fix typo in last change.
9635 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9637 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9640 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9642 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9643 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9644 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9645 * tree.c (bit_position, byte_position): Likewise.
9646 * tree.h: Declare new functions.
9648 2000-03-29 Nick Clifton <nickc@cygnus.com>
9650 * config/arm/arm.c: Minor formatting changes/
9651 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9653 (ASM_SPEC): Define if not already defined.
9655 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9657 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9660 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9662 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9663 value, don't output it as unsigned.
9665 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9667 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9669 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9671 * c-common.c (c_common_nodes_and_builtins): Don't special case
9672 cplus_mode when declaring builtin bzero/bcmp, always avoid
9673 prototype arguments.
9675 2000-03-29 Bruce Korb <bkorb@gnu.org>
9677 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
9680 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
9682 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
9683 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
9684 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
9685 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
9686 (save_fixed_argument_area, restore_fixed_argument_area):
9687 conditionize by #ifdef REG_PARM_STACK_SPACE only.
9688 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
9689 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
9690 (precompute_register_parameters): Avoid #ifdefs on
9691 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
9692 (stire_one_args): Likewise.
9693 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
9694 (emit_library_call_value_1): Likewise.
9695 (compute_argument_block_size): Align to STACK_BOUNDARY only for
9696 ACCUMULATE_OUTGOING_ARGS.
9697 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
9699 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
9700 (use_crosses_set_p): Likewise.
9701 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
9702 #define ACCUMULATE_OUTGOING_ARGS 1.
9703 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
9705 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
9707 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
9708 (TARGET_SWITCHES): Add push-args, no-push-args,
9709 accumulate-outgoing-args and no-accumulate-outgoing-args.
9710 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
9711 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
9712 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
9714 (emit_push_insn): Likewise.
9715 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9716 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
9717 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
9718 (STACK_DYNAMIC_OFFSET): Define correctly for both
9719 ACCUMULATE_OUTGOING_ARGS and normal mode.
9720 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
9721 * tm.texi (PUSH_ARGS): Document.
9722 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
9724 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
9726 * flags.h (flag_optimize_sibling_calls): Declare.
9727 * calls.c (expand_call): Fail sibcall when
9728 !flag_optimize_sibling_calls
9729 * invoke.texi (flag_optimize_sibling_calls): Document.
9730 * toplev.c (flag_optimize_sibling_calls): New global variable.
9731 (f_options): Add flag_optimize_sibling_calls.
9732 (rest_of_compilation): Conditionize
9733 optimize_sibling_and_tail_recursive_calls by
9734 flag_optimize_sibling_calls.
9735 (main): Set flag_optimize_sibling_calls for -O2.
9736 * stmt.c (expand_return): Conditionize tail recursion by
9737 flag_optimize_sibling_calls.
9739 2000-03-29 Richard Henderson <rth@cygnus.com>
9741 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
9742 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
9744 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
9746 * except.c (add_eh_table_entry): Mark type_info's as referenced.
9748 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9750 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
9752 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
9753 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
9754 * config/rs6000/aix.h: then modified likewise.
9756 2000-03-28 Richard Henderson <rth@cygnus.com>
9758 * rtl.h: Redistribute enum reg_note documentation.
9759 Kill trailing whitespace.
9760 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
9761 Kill trailing whitespace.
9763 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
9765 * cppfiles.c (hash_IHASH): Just return i->hash.
9766 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
9767 htab_find_with_hash.
9768 (cpp_read_file): Likewise.
9769 (find_include_file): Likewise. Properly initialize
9770 ih->nshort. Share ih->name and ih->nshort if possible.
9771 * cpphash.c (_cpp_calc_hash): New function.
9772 (hash_HASHNODE): Just return h->hash.
9773 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
9774 htab_find_with_hash.
9775 * cpphash.h: Prototype _cpp_calc_hash.
9776 * cppinit.c (initialize_builtins): Provide a valid hash
9777 to _cpp_make_hashnode, using _cpp_calc_hash.
9779 * cpphash.c (collect_expansion): # is not a special character
9780 in object-like macros. In -traditional mode, /**/ is not
9781 token paste at the beginning or end of the line.
9782 * cpplib.c (do_include, do_import, do_include_next): If
9783 parse_include fails, return immediately.
9785 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
9787 * config/arm/arm.md (return peepholes): Update to reflect the new
9789 * config/arm/arm.c (arm_volatile_func): Also check
9790 current_function_nothrow.
9791 (output_return_instruction, output_func_prologue): Use it.
9792 (arm_output_epilogue, arm_expand_prologue): Likewise.
9794 2000-03-27 Tom Tromey <tromey@cygnus.com>
9796 * gcc.c (handle_braces): In {x*...} case, break out of loop if
9799 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9801 * expr.c (store_constructor): SIZE now signed.
9802 For EXPR_SIZE, don't evaluate size; just needed if constant.
9803 * fold-const.c (fold): Fix a number of cases when folded tree is
9805 * function.c (flush_addressof): Reenable.
9806 * tree.h (flush_addressof): Likewise.
9807 * toplev.c (independent_decode_option): Look at strings_processed.
9808 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
9810 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
9812 * sibcall.c (indentify_call_return_value): Find last call in the chain;
9813 Allow stack adjustment after function call.
9815 * regmove.c (struct csa_memlist): Make mem field rtx *.
9816 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
9817 (try_apply_stack_adjustment): Replace whole MEM rtx.
9818 (combine_stack_adjustments_for_block): Update calls
9819 to record_one_stack_ref.
9821 2000-03-28 Neil Booth <NeilB@earthling.net>
9823 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
9824 '\\' rather than a null character, so nulls are not special. Fix
9825 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
9826 speed trigraph conversion.
9827 (_cpp_init_input_buffer): Initialize trigraph map.
9829 2000-03-27 Alan Modra <alan@linuxcare.com.au>
9831 * config/i386/i386.c (output_387_binary_op): Correct intel
9832 mode assembly output, and add spaces after commas in AT&T
9833 output. Correct Unixware assembler comment. Document input
9834 constraints. Comment fp operations. Reduce profligate buffer
9835 size. Remove extraneous abort. Localize temp var.
9836 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
9837 (output_fix_trunc): Add spaces after commas in assembly output.
9839 2000-03-27 Richard Henderson <rth@cygnus.com>
9841 * i386-protos.h (ix86_match_ccmode): Declare.
9842 * i386.c (ix86_match_ccmode): New.
9843 (ix86_expand_fp_compare): Update for pattern renames.
9844 (ix86_expand_strlensi_unroll_1): Likewise.
9845 * i386.h (EXTRA_CC_MODES): Add CCZ.
9846 (SELECT_CC_MODE): Use it for EQ/NE zero.
9847 * i386.md (cmpsi_ccz_1): New.
9849 (*testsi_ccz_1): New.
9850 (testqi_ccz_1): New.
9851 (cmpsi_ccno_1): Rename from cmpsi_0.
9852 (testsi_ccno_1): Rename from testsi_1.
9853 (testqi_ccno_1): Rename from testqi_1.
9854 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
9855 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
9856 (*cmphi_0): Use ix86_match_ccmode.
9857 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
9858 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
9859 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
9860 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
9861 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
9862 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
9863 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
9864 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
9865 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
9866 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
9867 (appropriate peepholes): Likewise.
9868 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
9869 (*subsi_3, *subhi_3, *subqi_3): Remove.
9870 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
9871 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
9872 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
9873 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
9874 (x86_shift_adj_1): Use CCZ.
9875 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
9877 2000-03-27 Stan Cox <scox@cygnus.com>
9879 * resource.h (mark_resource_type): New.
9880 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
9881 find_free_register): Use mark_resource_type.
9882 (mark_set_resources): Change include_delayed_effects
9883 to mark_resource_type.
9884 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
9885 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
9886 Use mark_resource_type.
9888 2000-03-27 Richard Henderson <rth@cygnus.com>
9890 * i386.md (call_pop_0, call_value_pop_0): New.
9891 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
9892 (call_value_pop_1): Likewise.
9893 (call_0, call_value_0): New.
9894 (call_1, call_value_1): Remove constraint from unused arg.
9896 2000-03-27 Nick Clifton <nickc@cygnus.com>
9898 * invoke.texi (Spec Files): Document new spec % command created by
9899 Tom Tromey's recent patch.
9901 2000-03-27 Jakub Jelinek <jakub@redhat.com>
9903 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9906 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9908 * expr.c (expand_assignment): Fix typo in last change.
9910 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9912 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9914 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9915 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9916 and DECL_INLINE if FUNCTION_DECL.
9917 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9918 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9919 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9920 (combine_parm_decls): Likewise.
9921 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9922 * print-tree.c (print_node): Likewise.
9923 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9924 DECL_TRANSPARENT_UNION on proper decl types.
9925 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9926 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9927 DECL_BIT_FIELD of FIELD_DECL.
9928 * tree.h (DECL_RESULT_FLD): New macro.
9930 * expr.c (expand_assignment): Add code to handle variable-sized
9933 2000-03-26 Richard Henderson <rth@cygnus.com>
9935 * calls.c (expand_call): Pass parms not original exp to
9936 optimize_tail_recursion. Mind return value instead of looking
9938 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9939 call_expr. Move checks for call_expr and current_function_decl ...
9940 (expand_return): ... here.
9942 2000-03-26 Tom Tromey <tromey@cygnus.com>
9944 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9945 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9947 (process_command): Use them.
9948 (check_live_switch): Likewise.
9949 (give_switch): Skip ignored switches.
9951 2000-03-26 Jan Hubicka <jh@suse.cz>
9953 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9954 for minimal jump pass test.
9956 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9958 * integrate.c (function_cannot_inline_p): Do inline functions that
9961 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9963 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9964 now a list of TREE_LIST entries, not types.
9965 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9967 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9968 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9970 * config/mips/mips.c (function_arg): Likewise; also remove cast
9971 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9972 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9973 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9974 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9975 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9976 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9977 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9978 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9979 num_adjusts now unsigned.
9980 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9981 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9983 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9984 as is BITPOS variable; use host_integerp and int_bit_position.
9985 (function_arg_record_value_2): Likewise.
9986 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9987 Variable REGNO now unsigned.
9988 (function_arg_record_value): NREGS now unsigned.
9990 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9992 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9994 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9996 * Rework fields used to describe positions of bitfields and
9997 modify sizes to be unsigned and use HOST_WIDE_INT.
9998 * alias.c (reg_known_value_size): Now unsigned.
9999 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10000 (really_start_incremental_init): Use bitsize_zero_node.
10001 (push_init_level, pop_init_level, output_init_element): Likewise.
10002 Use bitsize_unit_node and bitsize_one_node.
10003 (output_pending_init_elements, process_init_element): Likewise.
10004 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10005 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10006 HOST_WIDE_INT, respectively.
10007 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10008 (num_sign_bit_copies): Returns unsigned.
10009 BITWIDTH now unsigned; rework arithmetic.
10010 Remove recursive call from arg to MAX.
10011 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10012 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10013 REGNO now unsigned.
10014 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10015 (find_split_point, expand_compound_operation, make_extraction): LEN
10016 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10017 (make_field_assignment): Likewise.
10018 (combine_simplify_rtx): Add cast.
10019 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10020 (force_to_mode): WIDTH now unsigned; add cast.
10021 (if_then_else_cond): SIZE now unsigned.
10022 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10023 (extended_count): Now returns unsigned.
10024 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10025 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10026 (simplify_comparison): MODE_WIDTH now unsigned.
10027 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10028 (mark_used_regs_combine): Likewise; rework arithmetic.
10029 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10030 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10031 (record_promoted_value): REGNO now unsigned.
10032 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10033 (get_last_value): REGNO now unsigned.
10034 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10035 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10036 (remove_death): Arg REGNO now unsigned.
10037 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10038 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10040 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10041 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10042 (struct cse_reg_info): REGNO now unsigned.
10043 (cached_regno): Now unsigned.
10044 (REGNO_QTY_VALID_P): Add cast.
10045 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10046 (remove_invalid_regs): Likewise.
10047 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10048 as are variables END and I.
10049 (get_cse_reg_info, insert): Likewise.
10050 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10051 (canon_hash): Likewise.
10052 (insert_regs, lookup_for_remove): REGNO now unsigned.
10053 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10055 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10056 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10057 * emit-rtl.c (subreg_realpart_p): Add cast.
10058 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10059 (operand_subword_force): Arg I is now unsigned.
10060 * except.c (eh_regs): Variable I is now unsigned.
10061 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10062 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10063 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10064 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10065 (extract_split_bit_field, store_bit_field, extract_bit_field):
10067 * expr.c (store_constructor_fields, store_constructor, store_field):
10068 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10069 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10070 (do_jump): Likewise.
10071 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10072 MAX_SIZE is now unsigned.
10073 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10074 (emit_group_store): Likewise.
10075 (emit_move_insn): I now unsigned.
10076 (store_constructor): Use host_integerp, tree_low_cst, and
10078 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10079 Rework all calculations to use trees and new fields.
10080 * expr.h (promoted_input_arg): Regno now unsigned.
10081 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10082 (mark_seen_cases): Arg is HOST_WIDE_INT.
10083 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10084 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10085 precisions and alignments are unsigned.
10086 (optimize_bit_field_compare, fold_truthop): Likewise.
10087 (int_const_binop): Adjust threshold for size_int_type_wide call.
10088 (fold_convert): Likewise.
10089 (size_int_type_wide): Make table larger and fix thinko that only
10090 had half of table used.
10091 (all_ones_mask_p, fold): Precisions are unsigned.
10092 * function.c (put_reg_info_stack): REGNO is unsigned.
10093 (instantiate_decl): Size is HOST_WIDE_INT.
10094 (instantiate_virtual_regs): I is unsigned.
10095 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10096 (promoted_input_arg): REGNO is unsigned.
10097 * function.h (struct function): x_max_parm_reg is now unsigned.
10098 * gcse.c (max_gcse_regno): Now unsigned.
10099 (struct null_pointer_info): min_reg and max_reg now unsigned.
10100 (lookup_set, next_set): REGNO arg now unsigned.
10101 (compute_hash_table): REGNO and I now unsigned.
10102 (handle_avail_expr): regnum_for_replacing now unsigned.
10103 (cprop_insn): REGNO now unsigned.
10104 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10105 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10106 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10107 * hard-reg-set.h (reg_class_size): Now unsigned.
10108 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10109 * jump.c (mark_modified_reg): I now unsigned; add cast.
10110 (rtx_equal_for_thread_p): Add cast.
10111 * loop.c (max_reg_before_loop): Now unsigned.
10112 (struct_movable): REGNO now unsigned.
10113 (try_copy_prop): REGNO arg unsigned.
10114 (regs_match_p): XN and YN now unsigned.
10115 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10116 (strength_reduce): Likewise; NREGS also unsigned.
10117 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10118 * loop.h (struct iv_class): REGNO now unsigned.
10119 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10121 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10122 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10123 * optabs.c (expand_binop): I and NWORDS now unsigned.
10124 (expand_unop): I now unsigned.
10125 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10126 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10127 * real.c (significand_size): Now returns unsigned.
10128 * real.h (significand_size): Likewise.
10129 * regclass.c (reg_class_size): Now unsigned.
10130 (choose_hard_reg_mode): Both operands now unsigned.
10131 (record_reg_classes): REGNO and NR now unsigned.
10132 (reg_scan): NREGS now unsigned.
10133 (reg_scan_update): old_max_regno now unsigned.
10134 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10135 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10136 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10137 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10138 Likewise for variable R.
10139 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10140 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10141 (find_equiv_reg): Add casts.
10142 (regno_clobbered_p): Arg REGNO now unsigned.
10143 * reload.h (struct reload): NREGS now unsigned.
10144 (refers_to_regno_for_reload_p): Regno args are unsigned.
10145 (regno_clobbered_p): Likewise.
10146 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10147 (compute_use_by_pseudos): REGNO now unsigned.
10148 (find_reg): I and J now unsigned, new variable K, and change loop
10149 variables accordingly; THIS_NREGS now unsigned.
10150 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10151 (spill_hard_reg): REGNO arg now unsigned; add casts.
10152 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10153 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10154 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10155 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10156 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10157 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10158 (emit_reload_insns): REGNO now unsigned.
10159 (reload_cse_move2add): Add cast.
10160 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10162 * resource.c (mark_referenced_resources, mark_set_resources): New
10163 variable R; REGNO and LAST_REGNO now unsigned.
10164 (mark_target_live_regs): J and REGNO now unsigned.
10165 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10166 * rtl.h (union rtunion_def): New field rtuint.
10167 (XCUINT): New macro.
10168 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10169 (operand_subword, operand_subword_force): Word number is unsigned.
10170 (choose_hard_reg_mode): Operands are unsigned.
10171 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10172 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10173 (regno_use_in, combine_instructions, remove_death): Likewise.
10174 (reg_scan, reg_scan_update): Likewise.
10175 (extended_count): Return is unsigned.
10176 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10177 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10178 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10179 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10180 (reg_reg_last_1): FIRS and LAST now unsigned.
10181 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10182 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10184 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10185 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10186 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10187 (replace_regs): Arg NREGS now unsigned.
10188 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10189 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10190 (simplify_binary_operation): Likewise.
10191 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10192 THIS_LAST now unsigned.
10193 (cselib_record_set): Add cast.
10194 * ssa.c (ssa_max_reg_num): Now unsigned.
10195 (rename_block): REGNO now unsigned.
10196 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10197 sizes now unsigned.
10198 (all_cases_count): Just return -1 not -2.
10199 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10200 Rework tests to use trees whenever possible.
10201 Use host_integerp and tree_low_cst.
10202 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10203 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10204 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10205 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10206 (smallest_mode_for_size): Likewise.
10207 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10208 KNOWN_ALIGN is now an alignment, so simplify code.
10209 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10210 (start_record_layout): Renamed from new_record_layout_info.
10211 Update to new fields.
10212 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10214 (place_union_field): Renamed from layout_union_field.
10215 Update to use new fields in rli.
10216 (place_field): Renamed from layout_field.
10217 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10218 (finalize_record_size): Rework to use new fields in rli and handle
10220 (compute_record_mode): Rework to simplify and to use new DECL fields.
10221 (finalize_type_size): Make rounding more consistent.
10222 (finish_union_layout): Deleted.
10223 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10224 (layout_type, case RECORD_TYPE): Call new function names.
10225 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10226 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10227 (get_best_mode): UNIT is now unsigned; remove casts.
10228 * tree.c (bit_position): Compute from new fields.
10229 (byte_position, int_byte_position): New functions.
10230 (print_type_hash_statistics): Cast to remove warning.
10231 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10232 (build_index_type): Likewise; make subtype of sizetype.
10233 (build_index_2_type): Pass sizetype to build_range_type.
10234 (build_common_tree_nodes): Use size_int and bitsize_int to
10235 initialize nodes; add bitsize_{zero,one,unit}_node.
10236 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10237 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10238 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10239 (DECL_FIELD_BITPOS): Deleted.
10240 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10241 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10242 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10243 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10244 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10245 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10246 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10247 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10248 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10249 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10250 (DECL_ALIGN): Adjust to new field in union.
10251 (DECL_OFFSET_ALIGN): New field.
10252 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10253 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10254 (union tree_decl): Add struct for both aligns.
10255 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10256 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10257 (struct record_layout_info): Rework fields to have offset
10258 alignment and byte and bit position.
10259 (start_record_layout, place_field): Renamed from old names.
10260 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10261 (byte_position, int_byte_position): Likewise.
10262 (get_inner_reference): Change types of position and length.
10263 * unroll.c (unroll_loop): New variable R; use for some loops.
10264 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10265 (calculate_giv_inc): Arg REGNO now unsigned.
10266 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10267 * varasm.c (assemble_variable): Clean up handling of size using
10268 host_integerp and tree_low_cst.
10269 (decode_addr_const): Use byte, not bit, position.
10270 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10271 use tree_low_cst and int_bit_position.
10272 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10274 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10276 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10277 (reorder_block_def): New members eff_head and eff_end.
10278 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10279 (verify_insn_chain): New function.
10280 (skip_insns_between_block): Add code to skip deleted insns.
10281 Check for note before using.
10282 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10283 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10284 Check for note before using.
10285 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10286 (fixup_reorder_chain): Restructure, clean up, defect removal.
10287 (reorder_basic_blocks): Remove last_insn and references to it.
10288 Moved insn chain verification code into a new function (see above).
10289 Delete defective code that sets last insn.
10290 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10293 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10295 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10297 2000-03-24 Richard Henderson <rth@cygnus.com>
10299 * tree.c (lang_safe_for_unsave): Remove.
10300 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10301 allowing for two levels of unsafeness. Remove lang hook.
10302 * tree.h: Update declarations.
10303 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10304 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10305 Always fail sibcalls when there are pending cleanups.
10307 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10309 * flow.c (propagate_block): When we delete an ADDR_VEC,
10310 also delete the BARRIER following it if there is one.
10312 2000-03-24 Richard Henderson <rth@cygnus.com>
10314 * builtins.c (expand_builtin_bzero): Convert `length' argument
10317 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10319 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10320 comparison if regno's are equal.
10321 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10322 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10323 (expand_call): Update caller.
10324 Avoid making a sibling call if argument size of the callee is larger
10325 than argument size of the caller.
10326 Call hard_function_value with outgoing set if in sibcall pass.
10327 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10329 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10330 Change LEAF_REGISTERS from an array initializer to actual array
10331 identifier. Move static global variable into the function.
10332 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10333 sequences for leaf functions.
10334 * global.c (global_alloc): Likewise.
10335 * tm.texi (LEAF_REGISTERS): Update documentation.
10337 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10338 TARGET_FLAT leaf disabling hack.
10339 (LEAF_REGISTERS): Changed from an array initializer to actual array
10340 identifier to avoid duplication and remove the above hack.
10341 (FUNCTION_OK_FOR_SIBCALL): Define.
10342 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10343 always like call attribute.
10344 (eligible_for_sibcall_delay): New attribute.
10345 (sibcall): New delay type.
10346 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10347 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10348 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10349 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10350 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10352 (output_function_epilogue): Move part of the code into
10353 output_restore_regs.
10354 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10356 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10359 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10360 until infrastructure is finished.
10362 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10364 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10365 (save_parm_insns): Not here.
10367 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10369 * builtins.c (expand_builtin_bzero): New function.
10370 (expand_builtin): Handle bzero.
10372 * builtins.def: Add BUILT_IN_BZERO.
10374 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10375 prototype & function for bzero.
10377 2000-03-23 Michael Meissner <meissner@redhat.com>
10379 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10380 change adding TARGET_FP to the TF floating point insns, except for
10381 trunctfsf2, which generates direct calls to truncdfsf2.
10383 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10385 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10386 try to protect against middle-end changes that break binary
10388 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10390 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10392 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10394 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10396 * calls.c (expand_call): If TARGET is passed by reference and
10397 is readonly, write a CLOBBER.
10399 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10401 * builtins.c (expand_builtin): Handle bcmp.
10403 * builtins.def: Add BUILT_IN_BCMP.
10405 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10406 prototype & function for bcmp.
10408 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10410 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10411 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10412 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10414 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10416 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10417 alternative when using -fp64 -gp32.
10419 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10421 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10422 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10423 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10425 * frame.h (frame_state): Revert last change.
10426 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10427 * libgcc2.c (throw_helper): Revert last change.
10429 2000-03-22 Richard Henderson <rth@cygnus.com>
10431 * stmt.c (expand_asm_operands): Don't promote the temporary.
10433 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10435 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10436 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10437 c_get_alias_set): Likewise.
10438 * c-decl.c (duplicate_decls): Likewise.
10439 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10440 * calls.c (initialize_argument_information): Likewise.
10441 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10443 * dwarfout.c (decl_class_context,output_type): Likewise.
10444 * expr.c (get_inner_reference): Likewise.
10445 * fold-const.c (simple_operand_p,fold): Likewise.
10446 * function.c (aggregate_value_p): Likewise.
10447 * stmt.c (expand_asm_operands): Likewise.
10448 * varasm.c (named_section): Likewise.
10450 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10452 Implement dwarf2 exception handling for the ARM.
10453 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10454 (DWARF_FRAME_RETURN_COLUMN): Define.
10455 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10456 REG_FRAME_RELATED_EXPR note.
10457 (emit_sfm): Likewise.
10458 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10459 * dwarf2out.c (reg_save): Handle saving a register to itself.
10460 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10461 * except.c (eh_regs): Don't use the static chain reg if it's
10463 * frame.h (frame_state): Add cfa_saved field.
10464 * frame.c (execute_cfa_insn): Set it.
10465 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10467 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10469 (instantiate_virtual_regs): Adjust.
10471 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10472 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10473 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10475 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10476 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10478 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10480 * builtins.def: New file.
10482 * Makefile.in (TREE_H): Depend on builtins.def.
10484 * builtins.c (built_in_names): Use builtins.def.
10486 * tree.h (built_in_function): Likewise.
10488 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10490 * tree.c (size_in_bytes): Return size_zero_node, not
10493 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10495 * config/fp-bit.c (pack_d): Correct the case when a denormal
10496 is rounded up and stops being denormal.
10498 2000-03-21 Richard Henderson <rth@cygnus.com>
10500 * config/alpha/alpha.c (function_arg): Check for void_type_node
10501 before using MUST_PASS_IN_STACK.
10503 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10505 * regmove.c (combine_stack_adjustments_for_block): Check that
10506 the stack pointer is a valid memory address.
10508 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10510 * calls.c: re-install Mar 16 emit_library_call merge.
10512 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10514 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10515 we cannot be sure that if reload_completed base register will
10516 be properly aligned.
10518 2000-03-21 Richard Henderson <rth@cygnus.com>
10520 * flow.c (delete_block): Fix typo last change.
10522 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10524 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10525 not COMPLETE_TYPE_P, to check the type of the expression.
10527 2000-03-21 Michael Meissner <meissner@redhat.com>
10529 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10530 all floating point insns that just tested the macro
10531 TARGET_HAS_XFLOATING_LIBS.
10532 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10533 used to only use the gprs.
10535 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10537 * tree.h (COMPLETE_TYPE_P): New macro.
10538 (COMPLETE_OR_VOID_TYPE_P): New macro.
10539 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10540 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10541 * c-aux-info.c (gen_type): Use them.
10542 * c-common.c (c_expand_expr_stmt): Likewise.
10543 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10544 grokdeclarator, grokparms, finish_struct, start_function,
10545 store_parm_decls, combine_parm_decls): Likewise.
10546 * c-parse.y (cast_expr): Likewise.
10547 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10548 c_size_in_bytes, c_alignof, build_component_ref,
10549 build_indirect_ref, build_array_ref, convert_arguments,
10550 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10551 * calls.c (initialize_argument_information): Likewise.
10552 * convert.c (convert_to_integer): Likewise.
10553 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10554 * dwarfout.c (location_or_const_value_attribute,
10555 output_enumeration_type_die, output_structure_type_die,
10556 output_union_type_die, output_type): Likewise.
10557 * expr.c (safe_from_p, expand_expr): Likewise.
10558 * function.c (assign_parms): Likewise.
10559 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10560 * tree.c (build_array_type, build_function_type,
10561 build_method_type, build_offset_type, build_complex_type): Likewise.
10562 * c-parse.c, c-parse.h: Regenerated.
10564 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10566 * config/c4x/rtems.h: Include config/rtems.h.
10568 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10570 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10571 decl is a FUNCTION_DECL
10573 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10575 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10576 function uses output registers. Don't save RP for leaf functions.
10577 Do save RP even if no epilogue.
10578 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10579 (CALL_USED_REGISTERS): Unmark in registers.
10580 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10581 to near the middle.
10583 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10585 * config/rs6000/rs6000.md (bunordered): New expander.
10586 (bordered): New expander.
10587 (buneq): New expander.
10588 (bunge): New expander.
10589 (bungt): New expander.
10590 (bunle): New expander.
10591 (bunlt): New expander.
10592 (bltgt): New expander.
10594 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10595 (ccr_bit_negated_p): New function.
10596 (print_operand): For %C, generate appropriate cror for UNEQ,
10597 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10599 2000-03-20 Andreas Jaeger <aj@suse.de>
10601 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10604 * tree.h (safe_for_unsave): Prototype.
10606 2000-03-20 Richard Henderson <rth@cygnus.com>
10608 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10609 (combine_stack_adjustments_for_block): Don't allow sp references
10610 in the side of a set we're not fixing up.
10611 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10612 after life_analysis.
10614 2000-03-20 Richard Henderson <rth@cygnus.com>
10616 * calls.c (expand_call): Don't bother generating tail call
10617 sequences if there are pending cleanups. Use
10618 expand_start_target_temps/expand_end_target_temps to elide
10619 cleanups created during sibcall expansion.
10621 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10623 * configure.in: Set $IFS to a value if it doesn't already have one
10624 in the --enable-checking handling.
10625 * configure: Regenerate.
10627 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10629 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10630 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10633 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10635 * jump.c (delete_noop_moves): Remove code attempting to
10636 combine stack adjustments.
10638 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10640 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10641 * except.c (emit_cleanup_handler): Use them.
10642 (expand_end_all_catch): Likewise.
10643 * function.c (fixup_var_refs): Likewise.
10644 (expand_function_end): Clear catch_clauses_last.
10645 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10646 * except.h (struct eh_status): New field x_catch_clauses_last.
10647 (catch_clauses_last): New define.
10649 * Makefile.in (tree.o): Depend on HASHTAB_H.
10650 * tree.c: Include hashtab.h.
10651 (struct type_hash): Remove next field.
10652 (TYPE_HASH_SIZE): Remove.
10653 (TYPE_HASH_INITIAL_SIZE): New define.
10654 (type_hash_table): Change type to htab_t.
10655 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10656 mark_hash_entry): New functions.
10657 (init_obstacks): Allocate type hash.
10658 (type_hash_lookup): Use htab functions.
10659 (type_hash_add, mark_type_hash): Likewise.
10660 (dump_tree_statistics): Call print_type_hash_statistics.
10662 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10664 * rs6000/t-aix41: New file.
10666 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10668 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10670 * tm.texi (Driver): Fix typos and tweak entry for
10672 Move misplaced STRUCT_FORCE_BLK entry ...
10673 (Storage Layout): ... to here.
10674 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
10676 2000-03-19 Richard Henderson <rth@cygnus.com>
10678 * flow.c (delete_block): Delete the addr_vec along with the block.
10679 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
10682 * fold-const.c (extract_muldiv): Apply type check for defined
10683 overflow to multiply as well as divide.
10685 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
10687 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10689 * emit-rtl.c (remove_unncessary_notes): Check that all
10690 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
10691 associated NOTE_BLOCK.
10692 * function.h (identify_blocks): Update comments.
10693 (reorder_blocks): Declare.
10694 * function.c (identify_blocks): Don't take paramters.
10695 (reorder_blocks): Don't take parameters.
10696 * loop.h (find_loop_tree_blocks): Remove.
10697 (unroll_block_trees): Likewise.
10698 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
10699 reorder_blocks instead of unroll_block_trees.h
10700 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
10701 * stmt.c (find_loop_tree_blocks): Remove.
10702 (unroll_block_trees): Likewise.
10703 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
10704 in whole-function mode.
10705 * tree.h (reorder_blocks): Remove declaration.
10707 * expr.c: Include intl.h.
10708 * Makefile.in (expr.o): Depend on intl.h.
10710 2000-03-18 Richard Henderson <rth@cygnus.com>
10712 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
10714 2000-03-18 Mark Mitchell <mark@codesourcery.com>
10716 * tree.h (tree_index): Remove enumerals for integer types.
10717 (integer_type_kind): New type.
10718 (integer_types): New variable.
10719 (char_type_node): Adjust.
10720 (signed_char_type_node): Likewise.
10721 (unsigned_char_type_node): Likewise.
10722 (short_integer_type_node): Likewise.
10723 (short_unsigned_type_node): Likewise.
10724 (integer_type_node): Likewise.
10725 (unsigned_type_node): Likewise.
10726 (long_integer_type_node): Likewise.
10727 (long_unsigned_type_node): Likewise.
10728 (long_long_integer_type_node): Likewise.
10729 (long_long_unsigned_type_node): Likewise.
10730 * tree.c (integer_types): New variable.
10731 (init_obstacks): Register it as a root.
10733 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
10735 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
10736 NEXT_INSN. Update last insn in chain.
10738 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
10740 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
10741 with TYPE_DECL_SUPPRESS_DEBUG set.
10743 2000-03-18 Richard Henderson <rth@cygnus.com>
10745 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
10747 2000-03-18 Richard Henderson <rth@cygnus.com>
10749 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
10750 care for HALF_PIC_P.
10751 (expander_call_insn_operand): Remove.
10752 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
10753 * i386.h (PREDICATE_CODES): Update.
10754 * i386.md (all call expanders): Remove predicates, remove special
10755 handling for half-pic.
10756 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
10757 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
10758 (sibcall_epilogue): New.
10760 2000-03-17 Richard Henderson <rth@cygnus.com>
10762 * rtlanal.c (single_set): Reject if the parallel has anything
10763 except SET or USE or CLOBBER.
10765 2000-03-17 Jeff Law <law@cygnus.com>
10766 Richard Henderson <rth@cygnus.com>
10768 * Makefile.in (OBJS): Add sibcall.o.
10770 * sibcall.c: New file.
10771 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
10772 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
10773 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
10774 Emit sibcall patterns when requested. Update all callers.
10775 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
10776 elimination seems feasable.
10777 * final.c (leaf_function_p): Sibling calls don't discount being
10779 * flow.c (HAVE_sibcall_epilogue): Provide default.
10780 (find_basic_blocks_1): Sibling calls don't throw.
10781 (make_edges): Make edge from sibling call to EXIT.
10782 (propagate_block): Don't remove sibcall_epilogue insns.
10783 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
10784 (sibcall_epilogue): New.
10785 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
10786 (identify_blocks_1): Likewise. Break out from ...
10787 (identify_blocks): ... here.
10788 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
10789 (reorder_blocks): ... here.
10790 (init_function_for_compilation): Zap prologue/epilogue as varrays.
10791 (record_insns): Extend a varray instead of mallocing new memory.
10792 (contains): Read a varray not array of ints.
10793 (sibcall_epilogue_contains): New.
10794 (thread_prologue_and_epilogue_insns): Emit and record
10795 sibcall_epilogue patterns.
10796 (init_function_once): Allocate prologue/epilogue varrays.
10797 * genflags.c (gen_insn): Treat sibcall patterns as calls.
10798 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
10799 Broken out from ...
10800 (save_for_inline_nocopy): ... here.
10801 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
10802 Broken out from ...
10803 (expand_inline_function): ... here.
10804 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
10805 (subst_constants): Handle 'n' formats.
10806 * jump.c (jump_optimize_minimal): New.
10807 (jump_optimize_1): New arg `minimal'; update callers. Elide most
10808 optimizations if it's set.
10809 * rtl.c (copy_rtx): Do copy jump & call for insns.
10810 * rtl.h (struct rtx_def): Document use of jump and call for insns.
10811 (SIBLING_CALL_P): New.
10812 (sibcall_use_t): New.
10813 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
10814 Invoke optimize_sibling_and_tail_recursive_calls.
10815 * tree.c (lang_safe_for_unsave): New.
10816 (safe_for_unsave): New.
10817 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
10819 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
10820 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
10821 (*sibcall_osf_1, *sibcall_value_osf_1): New.
10823 2000-03-17 Mark Mitchell <mark@codesourcery.com>
10825 * objc/objc-act.c (encode_method_prototype): Pass types, not
10826 PARM_DECLs, to int_size_in_bytes.
10828 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
10830 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
10832 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10833 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
10835 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10837 * Clean up usages of TREE_INT_CST_LOW.
10838 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
10839 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10841 * c-tree.h (min_precision): Move declaration to here.
10842 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
10843 (build_unary_op, add_pending_init): Use bit_position.
10844 (pending_init_member, process_init_element): Likewise.
10845 (really_start_incremental_init, push_init_level, pop_init_level):
10846 Don't make copies of nodes or modify them in place, use consistent
10847 types when tracking positions, and use tree routines computations.
10848 (set_init_index, output_init_element): Likewise.
10849 (output_pending_init_elements, process_init_element): Likewise.
10850 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
10851 tree_low_cst and int_bit_position; also minor cleanup.
10852 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
10853 (print_cst_octal): Precision is unsigned.
10854 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
10855 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
10856 (simple_type_align_in_bits): Result is unsigned int.
10857 Use tree_int_low_cst and host_integerp.
10858 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
10859 (field_byte_offset): Result is HOST_WIDE_INT.
10860 Change types of internal variables so alignments are unsigned int,
10861 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
10862 Use host_integerp, tree_low_cst, and int_bit_position.
10863 (add_bit_offset_attribute): Likewise.
10864 (add_data_member_location_attribute): Use tree_cst_low.
10865 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
10866 (add_bit_size_attribute): Use tree_low_cst.
10867 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
10868 * dwarfout.c: Similar changes to dwarf2out.c.
10869 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
10870 * genoutput.c (n_occurences): Return -1 for null string.
10871 (strip_whitespace): Accept null string and make into function.
10872 (scan_operands): Reflect above changes.
10873 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
10874 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
10875 * ssa.c (rename_registers): Add missing cast of arg to bzero.
10876 * tree.c (int_size_in_bytes): Check for too big to represent.
10877 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
10878 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
10880 (min_precision): Delete from here.
10881 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
10882 and int_bit_position.
10883 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
10884 (encode_method_def): Likewise.
10885 (build_ivar_list_initializer): Use int_bit_position.
10886 (generate_shared_structures): Convert size.
10887 (encode_type, encode_complete_bitfield): Use integer_zerop.
10888 (encode_bitfield): Use tree_low_cst and int_bit_position.
10890 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10892 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
10894 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10896 * call.c (special_function_p): It is only malloc if it returns
10899 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10901 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
10902 (C33_FLAG, TARGET_C3X): Add macros.
10903 (TARGET_SWITCHES): Add -m33 option.
10904 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10906 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10908 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10909 (PARALLEL_PACK_FLAG): Delete.
10910 (TARGET_SWITCHES): Update.
10911 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10913 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10915 * fold-const.c (fold): Fix a few cases when the returned result
10916 is not of the same type as the input.
10918 2000-03-16 Nick Clifton <nickc@cygnus.com>
10920 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10923 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10925 * libgcc2.h: Move prototypes above macros with the same name.
10926 Wrap some function prototypes in the conditional which indicates
10927 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10929 2000-03-16 Richard Henderson <rth@cygnus.com>
10931 * calls.c: Revert last two changes.
10933 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10935 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10936 has exponent 0 is a zero.
10938 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10939 HASH may already be nonzero. Add code/mode into hash value
10940 immediately after repeat label.
10941 (cselib_lookup): Don't leave the hash table in an inconsistent
10942 state before a hash lookup operation.
10944 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10946 * i386.md (all HI and QI mode non-move patterns): Conditionize
10947 by TARGET_[HQ]IMODE_MATH.
10948 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10949 x86_promote_qi_regs): Declare.
10950 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10951 TARGET_PROMOTE_QI_REGS): New macros.
10952 (PROMOTE_MODE): New macro.
10953 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10954 x86_promote_qi_regs): New global variables.
10956 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10958 * calls.c (emit_library_call_value_1): Break out from ...; handle
10959 VOIDmode function calls too.
10960 (emit_library_call_value): ... here.
10961 (emit_library_call): Implement by calling emit_library_call_value_1.
10963 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10965 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10966 Update arg_space_so_far on stack adjustments.
10967 (emit_library_call, emit_library_call_value): Likewise; take into
10968 account arg_space_so_far and pending_stack_adjust when calculcating
10971 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10973 * flow.c: Move all basic block reordering code into its own file.
10974 (create_basic_block): Externalize.
10975 * bb-reorder.c: New file. Copy all basic block reordering code from
10976 flow.c to this file.
10977 (reorder_basic_blocks): Fix fencepost error in for-loop.
10978 (reorder_basic_blocks): Remove braces from single statement for-loops.
10979 * basic-block.h: Add declaration for create_basic_block.
10980 * Makefile.in: Add rules for bb-reorder.o.
10982 2000-03-16 Neil Booth <NeilB@earthling.net>
10984 * cppinit.c (handle_option): Implement #unassert directive
10985 as -A- command line option.
10986 (print_help): Update.
10987 * cpptexi.c: Update.
10989 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10991 * md.texi (Standard Names): Document `jump'.
10993 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10995 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10998 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11000 Merge changes from newppc-branch onto trunk.
11002 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11004 * rs6000.c (toc_hash_table): Update for new hash table functions.
11005 (toc_hash_function): Likewise.
11006 (toc_hash_eq): Likewise.
11007 (toc_hash_mark_entry): Likewise.
11008 (toc_hash_mark_table): Likewise.
11009 (output_toc): Likewise.
11010 (rs6000_add_gc_roots): Likewise.
11012 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11014 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11015 (AR_FLAGS_FOR_TARGET): here. New macro.
11017 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11019 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11020 fpmem_operand) Delete.
11022 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11023 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11024 (rs6000_save_machine_status, rs6000_restore_machine_status,
11025 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11026 references to above variables.
11027 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11028 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11029 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11030 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11031 (XER_REGNO_P, XER_REGNO): New.
11032 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11033 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11034 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11036 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11037 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11038 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11040 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11042 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11043 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11044 * rs6000.h: from here.
11046 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11047 (rs6000_select_rtx_section): Likewise.
11048 (rs6000_encode_section_info): Likewise.
11049 (sdata_section): Likewise.
11050 (sdata2_section): Likewise.
11051 (sbss_section): Likewise.
11052 * sysv4.h (rs6000_select_section): Delete prototype.
11053 (rs6000_select_rtx_section): Likewise.
11054 (rs6000_encode_section_info): Likewise.
11055 (sdata_section): Likewise.
11056 (sdata2_section): Likewise.
11057 (sbss_section): Likewise.
11058 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11060 * sysv4.h: Delete various unnecessary #undef's and put a comment
11061 on the remaining ones.
11062 Change various comments according to coding standard.
11064 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11066 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11067 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11068 (CR0_REGNO_P) Remove.
11069 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11070 setup_incoming_varargs, mtcrf_operation, print_operand,
11071 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11072 Use the above macros.
11074 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11076 * config/rs6000/rs6000.md: Added a new alternative for each
11077 pattern that had a 'x' alternative but no 'y' alternative.
11078 Added a new split for each of the above patterns.
11080 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11082 * aix41.h (ASM_CPU_SPEC): Delete.
11083 (CPP_CPU_SPEC): Delete.
11085 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11086 (ASM_OUTPUT_LABEL): Define.
11087 (ASM_GLOBALIZE_LABEL): Define.
11088 (STRIP_NAME_ENCODING): Define.
11089 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11090 (STRIP_NAME_ENCODING): Don't define.
11091 (ASM_OUTPUT_LABEL): Don't define.
11092 (ASM_GLOBALIZE_LABEL): Don't define.
11093 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11094 names, and ASM_OUTPUT_LABEL to output labels, rather than
11096 (ASM_OUTPUT_LABEL): Define.
11097 (ASM_OUTPUT_INT): Use assemble_name.
11098 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11099 (STRIP_NAME_ENCODING): Don't undefine first.
11100 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11102 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11103 specified with 'asm' even with -fleading-underscore.
11104 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11105 (output_epilog): Likewise.
11106 (output_toc): Likewise.
11107 * tramp.asm: Handle -fleading-underscore correctly.
11109 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11111 (nonlocal_goto_receiver): Delete.
11112 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11114 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11115 (SET_ASM_OP): Define.
11116 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11118 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11119 (ASM_LONG): Define.
11121 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11122 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11124 * rs6000.h: Add 'u' to more constants.
11126 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11128 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11130 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11132 * rs6000.c (reg_or_u_cint_operand): New function.
11133 (logical_operand): Handle 64-bit hosts.
11134 (logical_u_operand): New function.
11135 (non_logical_cint_operand): Handle 64-bit hosts.
11136 (non_logical_u_cint_operand): New function.
11137 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11138 (PREDICATE_CODES): Define new functions.
11139 * rs6000-protos.h: Declare new functions.
11140 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11141 (movdi_64): Bracket code intended for 64-bit hosts. Create
11142 CONST_DOUBLE for 32-bit values.
11143 (scc insns): Generate DImode compares.
11144 (mfcr insns): Create DImode versions.
11145 (sge matchers): New patterns.
11147 2000-02-15 Gabriel Paubert <paubert@iram.es>
11149 * rs6000.md: Correct instructions length attributes and
11150 constraints on unsigned compare instructions.
11151 (*ne0): Disable for PowerPC64.
11153 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11155 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11156 quantity, fix profile1.C test failure under -fPIC.
11158 * rs6000.c: Add 'u' to many constants to suppress warnings.
11159 (constant_pool_expr_1): Make static.
11160 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11161 * rs6000.h: Add 'u' to many constants to suppress warnings.
11163 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11164 for the start of the TOC, instead of LCTOC..0.
11165 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11167 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11168 (load_toc_aix_di): Use LCTOC..1.
11170 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11171 * rs6000.c (rs6000_legitimize_address): New function from
11172 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11173 symbols in the constant pool that really are TOC references.
11174 (print_operand_address): For ELF, write TOC offsets under
11175 -fPIC as subtractions in the insn.
11176 (output_toc): For ELF, define symbols in TOC as normal labels,
11178 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11179 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11180 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11181 * rs6000.md (movsi): Only use create_TOC_reference on
11182 symbols in the constant pool that really are TOC references.
11184 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11185 * rs6000.c (rs6000_reorg): Delete.
11186 * rs6000-protos.h (rs6000_reorg): Delete.
11188 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11190 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11192 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11193 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11194 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11195 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11196 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11197 rs6000_aix_emit_builtin_unwind_init.
11198 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11199 rs6000_emit_eh_toc_restore on AIX.
11200 (return_eh_si): Use r2.
11201 (return_eh_di): Use r2.
11203 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11204 since we're breaking binary compatibility anyway.
11206 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11208 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11209 constant_pool_expr_p): Declare them.
11210 (constant_pool_expr_p): Declare it.
11211 * config/rs6000/rs6000.c (toc_label_name): Define.
11212 (rs6000_override_options): Set toc_label_name.
11213 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11214 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11215 uses_TOC): New functions.
11216 (print_operand): Delete old '*' case.
11217 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11218 and strip off rtl for TOC before calling output_addr_const.
11219 (rs6000_emit_load_toc_table): Use toc_label_name.
11220 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11222 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11223 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11224 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11225 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11226 into explicit TOC_REGISTER offsets.
11227 (TOC_REGISTER): New macro.
11228 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11229 TARGET_TOC to reference TOC_REGISTER.
11230 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11231 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11232 uses_TOC before emitting label references.
11234 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11236 * rs6000.md (stack_tie): Fix warning.
11238 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11239 to handle -fleading-underscore.
11240 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11241 (USER_LABEL_PREFIX): New macro.
11242 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11243 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11244 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11245 call-linux can use the same multilibs.
11246 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11247 and call-linux multilibs. Do multilib with -fleading-underscore.
11248 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11249 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11252 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11253 have MASK_SOFT_FLOAT set.
11254 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11255 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11256 CPP_FLOAT_DEFAULT_SPEC.
11258 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11259 * rs6000.md: Whitespace change.
11260 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11261 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11263 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11265 * rs6000.md (eh_epilogue): New expander.
11266 (eh_reg_restore): New expand/split/insn combination.
11267 (return_eh_si): New insn.
11268 (return_eh_di): New insn.
11270 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11271 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11272 * eabi-ctors.c (__do_global_ctors): Register this object's
11273 frame. Clean up. Call atexit() after the constructors.
11274 (__do_global_dtors): Deregister this object's frame. Clean up.
11275 Allow for recursive calls to exit().
11276 * rs6000.c (fixuplabelno): New variable.
11277 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11278 TARGET_RELOCATABLE, it slows down exec() under linux.
11279 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11281 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11282 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11283 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11284 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11285 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11286 (ASM_OUTPUT_DWARF_ADDR): New macro.
11287 (ASM_OUTPUT_DWARF_DATA4): New macro.
11288 (ASM_OUTPUT_DWARF_DATA2): New macro.
11289 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11290 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11291 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11293 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11295 * rs6000.c (rs6000_sr_alias_set): New variable.
11296 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11297 (rs6000_emit_stack_tie): New function.
11298 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11299 in a way that dwarf2out can understand.
11300 (rs6000_frame_related): New function.
11301 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11302 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11303 Use rs6000_emit_stack_tie when needed.
11304 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11305 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11306 * rs6000.md (stack_tie): New insn.
11307 (return_internal_si): Allow return value to be in the count
11309 (return_internal_di): Likewise.
11311 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11313 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11315 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11317 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11319 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11321 * rs6000.md (stmw): Use the right POWER opcode.
11324 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11326 * rs6000-protos.h: New file.
11328 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11330 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11333 * sysv4.h: Likewise.
11335 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11337 * ../../configure.in: Delete powerpcle-*-winnt*
11338 and powerpcle-*-pe|powerpcle-*-cygwin*.
11339 * ../../configure: Regenerated.
11340 * cygwin.h: Delete.
11341 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11342 (TARGET_WINDOWS_NT): Delete.
11344 (CALL_NT_DLLIMPORT): Delete.
11345 Delete NT-specific code.
11346 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11347 * win-nt.h: Delete.
11349 * nt-ci.asm: Delete.
11350 * nt-cn.asm: Delete.
11351 * ntstack.asm: Delete.
11353 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11355 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11356 (ASM_FILE_START): Likewise.
11357 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11358 (ASM_OUTPUT_LABELREF): Likewise.
11359 (ASM_OUTPUT_SKIP): Likewise.
11360 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11361 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11362 (ASM_OUTPUT_CASE_LABEL): Likewise.
11363 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11364 (ASM_OUTPUT_ASCII): Likewise.
11366 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11368 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11369 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11370 increment rs6000_pic_labelno here.
11371 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11372 and increment rs6000_pic_labelno here.
11374 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11376 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11377 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11378 allocation knows (reg) is dead before the insn.
11380 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11382 * rs6000.md (movsi_to_cr): Correct typo in output template.
11384 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11386 * rs6000.c (rs6000_pic_labelno): Always define.
11387 (rs6000_pic_func_labelno): Delete.
11388 (lmw_operation): Check for a zero base register,
11389 which doesn't mean what we want.
11390 (stmw_operation): New function.
11391 (print_operand): Define new 'l' modifier.
11392 (rs6000_stack_info): We must save all 64 bits of the registers
11393 if TARGET_POWERPC64.
11394 (rs6000_output_load_toc_table): Delete.
11395 (rs6000_emit_load_toc_table): New function.
11396 (rs6000_allocate_stack_space): Delete.
11397 (rs6000_emit_allocate_stack): New function.
11398 (rs6000_emit_prologue): New function.
11399 (output_prolog): Use rs6000_emit_prologue.
11400 (rs6000_emit_epilogue): Change a few variable names to be
11401 more accurate. Restore all 64 bits of the registers if
11402 TARGET_POWERPC64. Only restore the FP registers which were used
11403 if they are being saved/restored one-at-a-time.
11404 (output_mi_thunk): Delete inefficient code generation.
11405 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11406 * rs6000.h: Declare rs6000_emit_load_toc_table,
11407 rs6000_allocate_stack_space, stmw_operation. Don't declare
11408 rs6000_output_load_toc_table.
11409 * rs6000.md (elf_high): Allow register 0, but discourage it
11411 (elf_low): Support loading into register 0.
11412 (load_toc_aix_si): New pattern.
11413 (load_toc_aix_di): New pattern.
11414 (load_toc_v4_pic_si): New pattern.
11415 (load_toc_v4_pic_di): New pattern.
11416 (load_toc_v4_PIC_1): New pattern.
11417 (load_toc_v4_PIC_1b): New pattern.
11418 (load_toc_v4_PIC_2): New pattern.
11419 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11420 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11421 (prologue): New expander.
11422 (movesi_from_cr): New pattern.
11423 (stmw): New pattern.
11424 (save_fpregs_si): New pattern.
11425 (save_fpregs_di): New pattern.
11427 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11429 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11434 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11436 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11438 (movsi_got_internal): Likewise.
11439 (movsi_got_internal+1): Likewise.
11440 (set_sp): 'unspec 7' does a SImode clobber.
11442 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11444 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11445 allocate a stack temporary.
11446 (floatsidf2_internal): Likewise.
11447 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11449 (floatunssidf2): Don't use the fpmem "register", just
11450 allocate a stack temporary.
11451 (floatunssidf2_internal): Likewise.
11452 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11454 (floatsidf2_loadaddr): Delete.
11455 (floatsidf2_store1): Delete.
11456 (floatsidf2_store2): Delete.
11457 (floatsidf2_load): Delete.
11458 (fix_truncdfsi2): Don't use the fpmem "register", just
11459 allocate a stack temporary.
11460 (fix_truncdfsi2_internal_si): Delete.
11461 (fix_truncdfsi2_internal_di): Delete.
11462 (fix_truncdfsi2_internal): New insn.
11463 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11464 (fix_truncdfsi2_store): Delete.
11465 (fix_truncdfsi2_load): Delete.
11466 (fctiwz): Produce gen_fctiwz.
11468 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11470 * eabi.h (INVOKE__main): Define.
11471 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11473 (rs6000_emit_prologue): Likewise.
11474 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11475 this is the main program.
11477 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11479 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11481 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11483 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11484 goes after the argument.
11486 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11488 * rs6000.md: Document 'unspec' values used.
11489 (epilogue): New expander.
11490 (movesi_to_cr_one): New expander.
11491 (movesi_to_cr and following): New pattern.
11492 (lmw): New pattern.
11493 (return_internal_si): New pattern.
11494 (return_internal_di): New pattern.
11495 (return_and_restore_fpregs_si): New pattern.
11496 (return_and_restore_fpregs_di): New pattern.
11497 * rs6000.h: Declare new functions.
11498 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11499 rather than rs6000_calls_p.
11500 (rs6000_makes_calls): Delete.
11501 (lmw_operation): New function.
11502 (mtcrf_operation): New function.
11503 (rs6000_emit_epilogue): New function.
11504 (output_epilog): Call rs6000_emit_epilogue and final if
11505 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11507 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11509 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11510 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11511 * aix.h (SUBTARGET_SWITCHES): Document switches.
11512 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11513 sched-prolog and sched-epilog the same. Document all the
11515 (TARGET_OPTIONS): No longer allow -mdebug-.
11517 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11519 * rs6000.h (ASM_FILE_END): Move to aix.h.
11520 (EXTRA_SECTIONS): Move to aix.h.
11521 (READONLY_DATA_SECTION): Move to aix.h.
11522 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11523 (SELECT_SECTION): Move to aix.h.
11524 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11525 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11526 (LINK_REGISTER_REGNUM): New definition.
11527 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11528 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11530 * sysv4.h: Delete the code between the inclusion of rs6000.h
11532 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11533 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11534 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11535 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11536 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11537 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11538 (fix_truncdfsi2_internal_di): New pattern.
11539 (fix_truncdfsi2_store): The second arg here is Pmode too.
11540 (fix_truncdfsi2_load): The second arg here is Pmode too.
11541 (tablejumpdi): Now that switch tables hold only SImode values,
11542 gcc needs to know how to add them to the pc which is DImode.
11543 * rs6000.c (rs6000_stack_info): Use symbolic name for
11544 LINK_REGISTER_REGNUM.
11545 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11546 (output_toc): Delete unused variables s1 and s2.
11547 (output_ascii): Use fputs not fprintf on a variable string.
11549 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11551 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11552 * aix43.h: Revert Aug 2 change.
11553 (HAS_INIT_SECTION): Define, not visible yet.
11554 (LD_INIT_SWITCH): Define, not visible yet.
11555 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11557 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11559 * config/rs6000/rtems.h: Include config/rtems.h.
11561 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11563 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11564 (SLOW_UNALIGNED_ACCESS): Define.
11565 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11566 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11567 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11568 (toc_section): Likewise and .toc pseudo-op.
11569 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11571 (TEXT_SECTION_ASM_OP): Likewise.
11572 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11575 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11577 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11578 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11581 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11583 * rs6000.h: Move more stuff from here...
11585 * sysv4.h: Cleanup accordingly.
11586 * netware.h: Likewise
11588 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11590 * rs6000.h: Continue cleanup.
11592 * lynx.h: Likewise.
11593 * netware.h: Likewise.
11594 * sol2.h: Likewise.
11595 * sysv4.h: Likewise.
11596 * win-nt.h: Likewise.
11598 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11599 (TARGET_OPTIONS): Likewise.
11601 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11602 (SUBTARGET_OPTIONS): Likewise.
11604 * rs6000.md: Fix compile time warnings.
11606 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11608 vxworks patches from the Cygnus tree originally by
11609 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11610 <vmakarov@cygnus.com>.
11611 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11612 (ENDFILE_SPEC): Likewise.
11613 (LIB_VXWORKS_SPEC): New macro.
11614 (STARTFILE_VXWORKS_SPEC): New macro.
11615 (ENDFILE_VXWORKS_SPEC): New macro.
11616 (LINK_START_VXWORKS_SPEC): New macro.
11617 (LINK_OS_VXWORKS_SPEC): New macro.
11618 (CPP_OS_VXWORKS_SPEC): New macro.
11619 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11620 * vxppc.h: Rewrite to use proper configuration method.
11621 * vxppcle.h: New file.
11622 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11623 * ../../configure: Rebuilt.
11625 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11627 Lots of changes to rs6000.h, sysv4.h, aix.h,
11628 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11629 with the aim that rs6000.h is the first header
11630 included and the others override it.
11633 * x-aix41-gld: Remove.
11635 * x-aix41: Remove target-specific switches, and don't specify
11636 -Wl,-bbigtoc as we don't need it any more.
11637 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11638 Use t-aix43 for AIX 4.3 and above.
11639 * ../../configure: Regenerated.
11641 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11642 options, that don't do anything yet.
11643 (MASK_SCHED_PROLOG): New macro.
11644 (MASK_SCHED_EPILOG): New macro.
11645 (TARGET_SCHED_PROLOG): New macro.
11646 (TARGET_SCHED_EPILOG): New macro.
11648 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11650 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11651 one per translation unit, not one per function.
11652 (output_toc): Also do duplicate constant elimination
11653 for per-translation-unit TOCs.
11655 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11656 a comment explaining _exactly_ when this pattern gets used.
11657 (builtin_setjmp_receiver): New pattern for better clarity.
11658 (init_v4_pic): Move it into a section dealing with TOC registers.
11660 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11662 * rs6000.c (toc_hash_table): New variable.
11663 (rs6000_hash_constant): New function.
11664 (toc_hash_function): New function.
11665 (toc_hash_eq): New function.
11666 (toc_hash_mark_entry): New function.
11667 (toc_hash_mark_table): New function.
11668 (output_toc): Don't output duplicate TOC entries in
11670 (rs6000_add_gc_roots): Add the hash table as a GC root.
11671 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
11672 where they clearly shouldn't be. This may need to be fixed
11673 later when there is a GNU ar for AIX.
11674 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
11675 Don't define BOOT_LDFLAGS as it is now not necessary.
11677 1999-12-29 Geoff Keating <geoffk@cygnus.com>
11679 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
11680 for va_list on AIX. Use unsigned_char_type_node rather than
11681 constructing our own version on svr4.
11683 1999-12-17 Geoff Keating <geoffk@cygnus.com>
11685 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
11686 since patently it's not.
11688 1999-12-08 Geoff Keating <geoffk@cygnus.com>
11690 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
11691 define_expand/define_insn pair, and handle restore of the
11692 SVR4 -fpic register.
11694 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
11696 * acconfig.h (HAVE_GAS_WEAK): New define.
11697 * configure.in (assembler weak support): Check for .weak support.
11698 * config.in, configure: Rebuilt.
11699 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
11700 HAVE_GAS_WEAK is defined.
11702 2000-03-15 Nick Clifton <nickc@cygnus.com>
11704 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
11707 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
11709 * cppfiles.c (open_include_file): New function.
11710 (find_include_file, cpp_read_file): Use it.
11712 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11714 * cpphash.c (dump_hash_helper): Take the slot, not the element.
11716 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
11718 * flow.c (verify_flow_info): Check for unconditional return.
11720 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
11722 * config/ia64/ia64.md (restore_stack_nonlocal): New.
11723 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
11724 (__ia64_restore_stack_nonlocal): New.
11725 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
11727 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11729 * cpphash.c (collect_formal_parameters): Do not complain about
11730 parameter names that just start with `__VA_ARGS__'.
11732 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
11734 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
11735 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
11736 * i386.c (pentiumpro_cost): Set mul cost to 4.
11737 (x86_use_movx): Set for PPro.
11739 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
11741 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
11742 STACK_BOUNDARY for empty frames now.
11744 2000-03-14 Mark Mitchell <mark@codesourcery.com>
11746 * stor-layout.c (layout_union): Remove.
11747 (layout_union_field): New function, split out from layout_union.
11748 (finish_union_layout): Likewise.
11749 (layout_field): Handle unions by calling layout_union_field.
11750 (finish_record_layout): Handle unions.
11751 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
11752 QUAL_UNION_TYPE handling.
11754 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
11756 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
11757 end of basic block is jump_insn, not barrier; use create_basic_block
11758 instead of creating basic block by hand.
11760 2000-03-14 Jason Eckhardt <jle@cygnus.com>
11762 * flow.c (reorder_basic_blocks): Account for barriers when writing
11763 over NEXT_INSN (last_bb->end).
11764 (verify_flow_info): Add check for missing barriers.
11766 2000-03-14 Greg McGary <gkm@gnu.org>
11768 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
11769 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
11770 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
11771 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
11772 __unbounded, __unbounded__): New keywords.
11773 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
11774 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
11775 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
11777 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
11779 * cselib.h: New file.
11780 * alias.c: Include "cselib.h".
11781 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
11782 MEMs as two new arguments.
11783 (get_addr): New static function.
11784 (find_base_term): Handle VALUEs.
11785 (memrefs_conflict_p): Likewise.
11786 (true_dependence): Call get_addr on the addresses.
11787 Call fixed_scalar_and_varying_struct_p with addresses that have been
11788 passed through get_addr and canon_rtx.
11789 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
11790 with true_dependence.
11791 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
11792 * loop.c: Include "cselib.h".
11793 (load_mems): Process extended basic block that enters the loop with
11794 cselib. Use that information to change initialization of the shadow
11795 register so that a constant equivalence is seen by later passes.
11796 * reload1.c: Include "cselib.h".
11797 (reload_cse_invalidate_regno): Delete function.
11798 (reload_cse_mem_conflict_p): Likewise.
11799 (reload_cse_invalidate_mem): Likewise.
11800 (reload_cse_invalidate_rtx): Likewise.
11801 (reload_cse_regno_equal_p): Likewise.
11802 (reload_cse_check_clobber): Likewise.
11803 (reload_cse_record_set): Likewise.
11804 (reg_values): Delete static variable.
11805 (invalidate_regno_rtx): Likewise.
11806 (reload_cse_delete_noop_set): New static function.
11807 (reload_cse_simplify): New static function, broken out of
11809 (reload_cse_noop_set_p): Delete unused argument INSN.
11810 Just call rtx_equal_for_cselib_p on set source and destination.
11811 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
11812 reload_cse_delete_noop_set. Delete code to keep track of values; use
11813 cselib functions instead. Delete code to push/pop obstacks.
11814 (reload_cse_simplify_set): Use cselib to find equivalent values.
11815 Delete code to push/pop obstacks.
11816 (reload_cse_simplify_operands): Likewise.
11817 * rtl.def (VALUE): New rtx code.
11818 * rtl.h (union rtunion_def): New elt rt_cselib.
11819 (X0CSELIB, CSELIB_VAL_PTR): New macros.
11820 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
11821 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
11822 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
11823 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
11824 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
11825 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
11826 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
11827 cselib_record_set, cselib_record_sets): New static functions.
11828 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
11829 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
11830 references_value_p): New functions.
11831 (MAX_USELESS_VALUES, REG_VALUES): New macros.
11832 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
11833 n_useless_values, reg_values, callmem, cselib_obstack,
11834 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
11835 New static variables.
11836 * varray.h (union varray_data_tag): New elt te.
11837 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
11838 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
11841 2000-03-14 Nick Clifton <nickc@cygnus.com>
11843 * gcc.c (do_spec_1): Catch the case where %* is used in a
11844 substitution pattern, but it has not been initialised.
11845 Issue a meaningful error message if an unrecognised operator
11846 is encountered in a spec string.
11848 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
11850 * function.c (prepare_function_start): Correctly initialize
11851 cfun->stack_alignment_needed.
11853 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
11855 * cppfiles.c (find_include_file): Don't assume nshort is a
11858 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
11860 * configure.in (hppa configurations): Add pa32-regs.h to the
11861 list of tm files as appropriate.
11862 * configure: Rebuilt.
11863 * pa.c (compute_frame_size): Remove explicit knowledge about FP
11864 register numbering.
11865 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
11866 (fmpyaddoperands, fmpysuboperands): Likewise.
11867 * pa.h: Remove various definitions which depend on knowing
11868 how registers are numbered.
11869 * pa32-regs.h: New file with PA32 register numbering specific
11872 2000-03-14 Richard Henderson <rth@cygnus.com>
11874 * regmove.c (combine_stack_adjustments): New.
11875 (stack_memref_p, single_set_for_csa): New.
11876 (free_csa_memlist, record_one_stack_memref): New.
11877 (try_apply_stack_adjustment): New.
11878 (combine_stack_adjustments_for_block): New.
11879 * rtl.h (combine_stack_adjustments): Declare.
11880 * toplev.c (rest_of_compilation): Call it.
11882 * i386.md: Revert 2000-01-16 change.
11884 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11886 * gccbug.in: Add web category, gcc specific classes.
11888 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
11890 * stor-layout.c (finalize_record_size): Fix typo.
11892 2000-03-14 Stan Shebs <shebs@apple.com>
11894 * c-typeck.c (c_alignof): Error on incomplete types.
11895 * extend.texi (Alignment): Document this.
11897 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11899 * cppfiles.c: Include mkdeps.h.
11900 (find_include_file, read_include_file): Remove _cpp_ prefix
11901 from name, make static.
11902 (_cpp_execute_include): New function, broken out of
11905 * cpplib.c: Don't include mkdeps.h.
11906 (struct directive): Remove type field. Reorder entries. The
11907 function takes only one argument.
11908 (struct if_stack): Make type field an int.
11909 (directive_table): Rename to dtable. Generate it, the
11910 prototypes of the directive handlers, and the enum for the
11911 directive numbers, from a template macro.
11912 (do_ifndef, do_include_next, do_import): New functions.
11913 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11914 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11915 do_ident, do_assert, do_unassert, do_sccs): Take only one
11917 (do_sccs): Define always, but alter behavior based on
11919 (_cpp_handle_directive, consider_directive_while_skipping):
11920 Restructure for new directive table layout.
11922 (pass_thru_directive): Take a directive number, not a pointer
11923 to a struct directive.
11924 (parse_include): New function, broken out of do_include.
11925 (do_include, do_import, do_include_next): Use parse_include
11926 and _cpp_execute_include.
11927 (do_elif, do_else): Test for T_ELSE specifically when checking
11928 for #elif/#else after #else.
11929 (parse_ifdef): New function, broken out of do_ifdef.
11930 (validate_else): Expect a name arg without a leading #.
11931 (if_directive_name): Delete.
11932 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11933 directive handlers with only one argument.
11935 * cpphash.h: Update prototypes.
11936 (enum node_type): Remove entries for directives.
11937 * Makefile.in: Update dependencies.
11939 * cpphash.c (dump_hash_helper): Only dump nodes of type
11940 T_MACRO. Emit a newline after each definition.
11942 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11944 * gccbug.in: New file.
11945 * configure.in (all_outputs): Add gccbug.
11946 * Makefile.in (install-common): Install gccbug.
11947 (GCCBUG_INSTALL_NAME): New variable.
11948 * configure: Rebuilt.
11950 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11952 * function.c (put_var_into_stack): Use type_for_mode to calculate
11953 part_type. Use MEM_SET_IN_STRUCT_P.
11954 * expr.c (store_field): Handle CONCAT.
11955 (store_constructor): Use fields_length.
11956 * tree.c (fields_length): New fn.
11957 * tree.h: Declare it.
11959 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11961 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11962 (cpplex.o): New target.
11963 * po/POTFILES.in: Add cpplex.c.
11965 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11966 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11967 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11968 skip_block_comment, skip_line_comment, skip_comment,
11969 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11970 _cpp_parse_name, skip_string, parse_string,
11971 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11972 _cpp_get_directive_token, find_position,
11973 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11974 (maybe_macroexpand, _cpp_lex_token): New functions.
11976 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11977 parse_goto_mark): Delete.
11978 (_cpp_handle_eof): New function.
11979 (_cpp_handle_directive): Rename from handle_directive.
11980 (_cpp_output_line_command): Rename from output_line_command.
11981 (do_if, do_elif): Call _cpp_parse_expr directly.
11982 * cppfiles.c (_cpp_read_include_file): Don't call
11983 init_input_buffer here.
11984 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11985 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11986 here; pop the token_buffer and skip the rest of the line here.
11987 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11990 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11992 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11993 CPP_GOTO_MARK): New macros.
11994 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11995 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11996 _cpp_read_and_prescan, _cpp_init_input_buffer,
11997 _cpp_grow_token_buffer, _cpp_get_directive_token,
11998 _cpp_handle_directive, _cpp_handle_eof,
11999 _cpp_output_line_command): Prototype them here.
12000 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12001 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12002 quote_string, output_line_command): Remove.
12004 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12006 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12007 whether it is too large we must also verify that it isn't negative.
12009 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12011 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12012 (movsi_zero_liveg0): Remove.
12013 (movsf_insn_novis_liveg0): Remove.
12015 (negsi2_not_liveg0): Rename to negsi2.
12016 (one_cmplsi2): Remove.
12017 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12018 (one_cmplsi2_liveg0): Remove.
12019 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12020 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12021 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12022 (PREDICATE_CODES): Remove zero_operand.
12023 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12024 TARGET_BROKEN_SAVERESTORE.
12025 (zero_operand): Remove.
12026 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12027 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12029 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12030 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12031 TARGET_BROKEN_SAVERESTORE): Remove.
12032 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12034 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12036 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12039 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12041 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12043 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12044 truncating a string. Don't assume tokens are nul terminated.
12045 Problem noted by Andreas Jaeger <aj@suse.de>
12047 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12049 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12050 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12051 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12053 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12055 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12056 STRUCTURE_SIZE_BOUNDARY.
12058 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12060 * tree.h (record_layout_info_s): New structure.
12061 (record_layout_info): New type.
12062 (new_record_layout_info): New function.
12063 (layout_field): Likewise.
12064 (finish_record_layout): Likewise.
12065 * stor-layout.c (layout_record): Remove.
12066 (new_record_layout_info): New function.
12067 (layout_field): New function, broken out from layout_record.
12068 (finalize_record_size): Likewise.
12069 (compute_record_mode): Likewise.
12070 (finalize_type_size): New function, broken out from layout_type.
12071 (finish_record_layout): Likewise.
12072 (layout_type): Use them.
12074 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12076 * cpphash.c: Don't include version.h.
12077 (special_symbol) [case T_VERSION]: Look for the string in
12078 hp->value.cpval; don't use version_string.
12079 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12080 __VERSION__ to version_string.
12081 * Makefile.in (cpphash.o): Update deps.
12083 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12085 Convert cpplib to use libiberty/hashtab.c.
12087 * cpplib.h (struct cpp_reader): Make hashtab and
12088 all_include_files of type 'struct htab *'. Delete HASHSIZE
12089 and ALL_INCLUDE_HASHSIZE macros.
12091 * cpphash.h: Update prototypes.
12092 (struct hashnode): Remove next, prev, and bucket_hdr members.
12093 Make length a size_t. Add hash member.
12094 (struct ihash): Remove next member. Add hash member. Make
12095 name a flexible array member.
12097 * cppfiles.c: Include hashtab.h.
12098 (include_hash): Delete.
12099 (IHASHSIZE): New macro.
12100 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12101 (cpp_included): Do the hash lookup here.
12102 (_cpp_find_include_file): Rewrite.
12103 (cpp_read_file): Put the "fake" hash entry into the hash
12104 table. Honor the control_macro, if it turns out we've seen
12105 the file before. Don't push the buffer here.
12106 (_cpp_read_include_file): Push the buffer here.
12107 (OMODES): New macro. Use it whenever we call open(2).
12109 * cpphash.c: Include hashtab.h.
12110 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12111 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12112 _cpp_lookup_slot): New functions.
12113 (HASHSIZE): new macro.
12114 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12115 (_cpp_lookup): Use hashtab.h routines.
12117 * cppinit.c: Include hashtab.h.
12118 (cpp_reader_init): Call _cpp_init_macro_hash and
12119 _cpp_init_include_hash. Don't allocate hashtab directly.
12120 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12121 pfile->all_include_files.
12122 (initialize_builtins): Use _cpp_make_hashnode and
12123 htab_find_slot to add hash entries.
12124 (cpp_finish): Just call _cpp_dump_macro_hash.
12125 * cpplib.c: Include hashtab.h.
12126 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12127 create hash entries.
12128 (do_pragma_poison, do_assert): Likewise.
12129 (do_include): Don't push the buffer here. Don't increment
12130 system_include_depth unless _cpp_read_include_file succeeds.
12131 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12132 or htab_remove_elt.
12133 (do_pragma_implementation): Use alloca to create copy.
12135 * Makefile.in: Update dependencies.
12137 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12139 * cppinit.c (cl_directive_handler): More K&R fixing.
12141 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12143 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12145 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12147 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12149 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12150 Change from char[] to macros.
12152 2000-03-12 Neil Booth <NeilB@earthling.net>
12154 * cppinit.c (cpp_start_read): Update indirect function
12157 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12159 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12162 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12163 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12165 2000-03-11 Neil Booth <NeilB@earthling.net>
12167 * cppinit.c (struct pending option): Replace undef with a
12168 pointer to a directive handling routine.
12169 (struct cpp_pending): Replace separate assert_ and define_
12170 lists with one directive_ list.
12171 (new_pending_define): Rename new_pending_directive. Extra
12172 argument is the directive's handling routine.
12173 (handle_option): Update to use new_pending_directive.
12175 2000-03-11 Neil Booth <NeilB@earthling.net>
12177 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12178 remap_filename, _cpp_read_include_file, actual_directory,
12179 hack_vms_include_specification): Replace bcopy(), index() etc
12180 calls. Add casts to some allocations. Make some variables
12181 pointers to const [unsigned] char.
12182 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12183 collect_formal_parameters): Similarly.
12184 * cppinit.c (struct pending_option, append_include_chain,
12185 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12186 cpp_start_read, new_pending_define, handle_option): Similarly.
12187 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12188 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12189 do_pragma_implementation, detect_if_not_defined,
12190 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12191 do_assert, do_unassert): Similarly.
12192 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12193 function prototypes.
12194 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12196 2000-03-10 Richard Henderson <rth@cygnus.com>
12198 * builtins.c (expand_builtin_strlen): Revert last change.
12199 Use emit_insn_before if we're at the beginning of a sequence.
12201 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12203 * builtins.c (expand_builtin_strlen): Make sure that we have something
12204 at the beginning of the sequence.
12206 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12209 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12211 2000-03-10 Richard Henderson <rth@cygnus.com>
12213 * except.c (can_throw): Use INTVAL on a CONST_INT.
12214 (reachable_handlers): Likewise.
12215 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12217 2000-03-10 Andreas Jaeger <aj@suse.de>
12219 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12220 MD_STARTFILE_PREFIX since those are not needed on linux.
12221 (ASM_FILE_START): New, from mips/gnu.h.
12223 2000-03-09 Richard Henderson <rth@cygnus.com>
12224 Alex Samuel <samuel@codesourcery.com> and others
12226 * Makefile.in (ssa.o): New rule.
12228 (STAGESTUFF): Add *.ssa and *.ussa.
12229 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12230 * rtl.def (PHI): New RTL expression.
12231 * rtl.h (clear_log_links): New declaration.
12232 (convert_to_ssa): Likewise.
12233 (convert_from_ssa): Likewise.
12234 * flow.c (split_edge): If the entry node falls through to the
12235 split edge's source block, split the entry edge.
12236 (clear_log_links): New function.
12237 * toplev.c (ssa_dump): New variable.
12238 (flag_ssa): Likewise.
12239 (f_options): Add "ssa".
12240 (compile_file): Create SSA dump files.
12241 (rest_of_compilation): Go to and from SSA if enabled.
12242 (decide_d_option): Handle -de for SSA dump files.
12245 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12247 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12250 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12252 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12254 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12256 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12257 (MD_STARTFILE_PREFIX_1): New macro.
12259 2000-03-09 Robert Lipe <robertl@sco.com>
12261 * config/ia64/ia64.c: Include system.h.
12263 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12265 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12266 (init_eh_nesting_info): Likewise.
12268 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12269 (TREE_NOTHROW): Rename from TREE_RAISES.
12270 * toplev.c (rest_of_compilation): Set it.
12271 * print-tree.c (print_node): Adjust.
12272 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12273 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12274 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12275 REG_EH_REGION note as appropriate.
12276 (libfunc_nothrow): New fn.
12277 (emit_library_call, emit_library_call_value): Use it.
12278 (expand_call): Check TREE_NOTHROW.
12280 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12281 DECL_ASSEMBLER_NAME.
12283 2000-03-09 Andreas Jaeger <aj@suse.de>
12285 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12286 (TARGET_MEM_FUNCTIONS): Define.
12288 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12290 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12292 * except.c (can_throw): See through a SEQUENCE.
12293 (nothrow_function_p): New fn.
12294 * except.h: Declare it.
12295 * function.c (current_function_nothrow): New var.
12296 (prepare_function_start): Initialize it.
12297 * output.h: Declare it.
12298 * toplev.c (rest_of_compilation): Set it.
12299 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12301 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12303 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12304 match. (cpp_compare_defs): Count the nul separator when
12305 advancing over argument names.
12307 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12309 * recog.c (preprocess_constraints): Matching constraints affect
12310 same alternative/different operand, not same operand/different
12313 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12314 register and a constant specially.
12316 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12318 * libgcc2.h: New file.
12319 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12321 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12323 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12324 * configure: Regenerate.
12325 * config/ia64: New.
12327 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12329 * Makefile.in (LIBCPP_DEPS): New macro.
12330 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12331 it to declare deps.
12332 * cpperror.c: Include cpphash.h.
12333 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12335 (lex): Don't use CPP_WARN_UNDEF.
12336 (_cpp_parse_expr): Return an int, the truth value.
12337 * cppfiles.c: Include cpphash.h.
12338 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12339 * cppinit.c (include_defaults_array): Disentangle.
12340 (cpp_cleanup): Don't free the if stack here.
12341 (cpp_finish): Pop off all buffers, not just one.
12342 * cpplib.c (eval_if_expr): Return int.
12343 (do_xifdef): Rename do_ifdef.
12344 (handle_directive): Don't use CPP_PREPROCESSED.
12345 (cpp_get_token): Don't use CPP_C89.
12346 * fix-header.c: Don't use CPP_OPTIONS.
12348 * cpplib.h: Move U_CHAR, enum node_type, struct
12349 file_name_list, struct ihash, is_idchar, is_idstart,
12350 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12351 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12352 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12353 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12354 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12355 of _cpp_simplify_pathname, _cpp_find_include_file,
12356 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12357 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12359 Change all uses of U_CHAR to be unsigned char instead.
12360 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12362 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12364 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12365 (dwarf2out_begin_prologue): Set it.
12366 (output_call_frame_info): Don't emit EH unwind info for leaves.
12368 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12369 can occur outside of an EH region.
12370 * except.c: Correct comments about rethrow behavior.
12371 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12373 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12375 * flow.c (make_edges): Always call make_eh_edge for calls.
12377 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12379 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12380 (struct cpp_buffer): Remove fname and underflow fields.
12381 (struct cpp_reader): Remove get_token field.
12382 (struct include_hash): Rename to struct ihash. Add typedef to
12384 (struct if_stack): Remove fname field.
12385 (IF_STACK_FRAME): Rename to IF_STACK.
12387 * cpperror.c (print_containing_files): Trust that there are no
12388 macro buffers below the top file buffer.
12389 * cppfiles.c: Replace all references to 'struct include_hash'
12390 with 'IHASH'. Rename initialize_input_buffer to
12391 init_input_buffer. Don't set or reference cpp_buffer->fname,
12392 use buffer->ihash->name instead.
12393 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12394 not CPP_NULL_BUFFER.
12395 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12396 IF_STACK_FRAME, IHASH not struct include_hash.
12397 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12398 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12399 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12400 references to cpp_buffer->fname (delete entirely, or use
12401 ->ihash->name instead) and IF_STACK->fname.
12402 (cpp_push_buffer): Don't set new->underflow.
12403 (do_include): Use cpp_file_buffer.
12405 * cpphash.c (collect_formal_parameters): Remove duplicate
12406 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12407 used as a macro argument name. Don't append "..." to namebuf
12408 for varargs macros. After we're done scanning, go through
12409 namebuf and make it NUL separated, not comma separated.
12410 (_cpp_compare_defs): Remove register tag from variables.
12411 Expect defn->argnames to be NUL separated.
12412 (_cpp_dump_definition): Expect defn->argnames to be NUL
12413 separated and in forward order.
12414 * cpphash.h: Update documentation of argnames field.
12416 2000-03-08 Richard Henderson <rth@cygnus.com>
12418 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12419 to fail. Don't pre-expand the source operand.
12421 * i386.md (strlensi): Initialize eoschar and align before use.
12423 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12425 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12426 CONSTRUCTOR element.
12428 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12430 * mips.c (mips_expand_prologue): If the last
12431 named argument is the vararg marker "va_list", treat it as
12432 an unnamed argument.
12434 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12436 * dbxout.c (dbxout_parms): When correcting for promoted
12437 big-endian parameters, use the mode of the DECL_RTL rather
12438 than UNITS_PER_WORD.
12440 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12442 * c-common.h (make_fname_decl): Declare.
12443 * c-common.c (make_fname_decl): Define.
12444 (declare_hidden_char_array): Remove.
12445 (declare_function_name): Use make_fname_decl.
12446 * c-decl.c (c_make_fname_decl): New function.
12447 (init_decl_processing): Set make_fname_decl.
12449 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12451 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12453 2000-03-07 Philipp Thomas <pthomas@suse.de>
12455 * po/POTFILES.in: Remove cppalloc.c from file list.
12457 2000-03-07 Steve Chamberlain <sac@pobox.com>
12459 * pj.c (pj_expand_prologue): current_function->args_info is
12460 now current_function_args_info.
12462 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12463 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12464 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12466 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12468 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12469 output as hexadecimal rather than the default octal.
12471 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12473 * cpphash.c (special_symbol): Fix thinko in previous commit.
12475 2000-03-07 Neil Booth <NeilB@earthling.net>
12477 * cppexp.c (struct operation, left_shift, right_shift,
12478 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12479 "int"s to "unsigned int"s.
12480 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12482 * cpplib.h: Update for above.
12483 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12484 returned from allocations.
12486 * cppinit.c (opt_comp, parse_options): New functions.
12487 (handle_option): Use parse_option to parse a single command
12488 line option, that possibly takes an argument.
12489 (cpp_handle_options): Sort the array of command line options on
12490 first invocation (non-ASCII hosts only).
12491 (print_help): Update.
12493 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12495 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12496 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12498 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12500 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12502 * cpperror.c (cpp_print_containing_files,
12503 cpp_print_file_and_line, v_cpp_message): Rename to
12504 print_containing_files, print_file_and_line, and v_message.
12505 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12506 to _cpp_parse_expr, parse_escape, and lex.
12507 (parse_charconst): Remove broken multibyte support.
12508 * cppfiles.c (include_hash): Make static.
12509 (cpp_included): New function.
12510 (merge_include_chains, find_include_file, finclude,
12511 simplify_pathname): Rename to _cpp_merge_include_chains,
12512 _cpp_find_include_file, _cpp_read_include_file, and
12513 _cpp_simplify_pathname.
12514 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12515 cpp_install, create_definition, macroexpand, compare_defs,
12516 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12517 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12518 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12519 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12521 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12523 * cpphash.h: Update prototypes.
12524 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12526 2000-03-07 Andrew Haley <aph@cygnus.com>
12528 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12529 PTRDIFF_TYPE should be based solely on Pmode.
12530 (SIZE_TYPE): ditto.
12532 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12534 * rtl.h (rtunion_def): Constify member `rtstr'.
12535 (emit_line_note_after, emit_line_note, emit_line_note_force,
12536 emit_note, decode_asm_operands): Constify.
12538 * cse.c (canon_hash): Likewise.
12540 * dbxout.c (dbxout_block): Likewise.
12542 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12543 v_warning_for_asm): Likewise.
12545 * dwarfout.c (function_start_label): Likewise.
12547 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12548 emit_line_note_force): Likewise.
12550 * final.c (last_filename, asm_insn_count, final_scan_insn,
12551 output_source_line): Likewise.
12553 * function.h (struct emit_status): Likewise.
12555 * gcse.c (hash_expr_1): Likewise.
12557 * genattr.c (gen_attr, main): Likewise.
12559 * genattrtab.c (struct function_unit, current_alternative_string,
12560 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12561 attr_numeral, check_attr_test, check_attr_value,
12562 convert_set_attr_alternative, convert_set_attr,
12563 compute_alternative_mask, simplify_by_exploding, gen_attr,
12564 gen_unit): Likewise.
12566 * genflags.c (gen_insn): Likewise.
12568 * gengenrtl.c (type_from_format): Likewise.
12570 * genopinit.c (gen_insn): Likewise.
12572 * genoutput.c (n_occurrences, process_template, process_template):
12575 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12578 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12581 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12582 ggc_set_mark, ggc_get_size): Likewise.
12584 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12586 * optabs.c (init_one_libfunc): Likewise.
12588 * output.h (assemble_start_function): Likewise.
12590 * recog.c (decode_asm_operands): Likewise.
12592 * toplev.c (rest_of_compilation): Likewise.
12594 * tree.h (emit_line_note_after, emit_line_note,
12595 emit_line_note_force): Likewise.
12597 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12598 asm_emit_uninitialised, assemble_start_function,
12599 assemble_variable, const_hash, compare_constant_1,
12600 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12602 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12604 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12606 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12608 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12610 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12611 arm_dllimport_name_p): Likewise.
12613 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12616 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12618 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12620 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12621 arm_mark_dllexport, arm_mark_dllimport,
12622 arm_pe_encode_section_info): Likewise.
12624 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12625 ASM_FINISH_DECLARE_OBJECT): Likewise.
12627 * arm/thumb.c (thumb_function_prologue): Likewise.
12629 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12631 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12633 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12635 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12637 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12639 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12641 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12642 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12644 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12646 * i386/i386.c (asm_output_function_prefix): Likewise.
12648 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12650 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12652 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12654 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12655 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12656 ASM_OUTPUT_SECTION_NAME): Likewise.
12658 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12660 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12662 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12664 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12666 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12668 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12670 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12672 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12674 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12676 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
12678 * mips/mips.md (movdi, movsi): Likewise.
12680 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12682 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12684 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12686 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
12687 ASM_OUTPUT_ASCII): Likewise.
12689 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
12690 output_mi_thunk, output_toc): Likewise.
12692 * rs6000/rs6000.md (movsi): Likewise.
12694 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
12696 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
12698 * v850/v850.c (print_operand, print_operand_address,
12699 v850_encode_data_area): Likewise.
12701 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
12703 * config/mips/mips.md (zero_extendsidi2): Always force operand
12704 one to memory for mips16.
12706 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12708 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
12709 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
12710 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
12711 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
12712 (min_precision): Result is unsigned.
12713 (add_double, neg_double, mul_double): Low word is unsigned.
12714 (lshift_double, rshift_double, lrotate_double): Likewise.
12715 (rrotate_double, div_and_round_double): Likewise.
12716 (tree_floor_log2, compare_tree_int): New functions.
12717 (preserve_rtl_expr_temps): New declaration.
12718 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
12719 (decl_attributes): Use tree_log2 to find alignment.
12720 Check for TREE_INT_CST_HIGH for format args.
12721 (min_precision): Now unsigned.
12722 Use tree_floor_log2.
12723 (truthvalue_conversion): Delete long-disabled code.
12724 * c-decl.c (finish_struct): Clean up tests on field width.
12725 (finish_function): Use compare_tree_int.
12726 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
12727 * c-typeck.c (comptypes): Use tree_int_cst_equal.
12728 (default_conversion, digest_init): Use compare_tree_int.
12729 (build_binary_op): Use integer_all_onesp and compare_tree_int.
12730 Fix type errors in forming masks.
12731 * calls.c (initialize_argument_information): Use compare_tree_int.
12732 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12733 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
12734 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
12735 (store_field): Use compare_tree_int.
12736 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
12737 (expand_expr, case ARRAY_REF): Use compare_tree_int.
12738 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
12739 (do_store_flag): Use compare_tree_int.
12740 * fold-const.c (encode, decode): Low part is always unsigned.
12741 (force_fit_type, add_double, neg_double, mul_double): Likewise.
12742 (lshift_double, rshift_double, lrotate_double): Likewise.
12743 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
12744 (fold_convert): Use compare_tree_int.
12745 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
12746 (invert_truthvalue, case INTEGER_CST): Likewise.
12747 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
12748 * mkdeps.c (deps_dummy_targets): Make I unsigned.
12749 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
12750 (lshift_double, rshift_double, lrotate_double, rrotate_double):
12752 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
12753 (expand_end_case): Use compare_tree_int.
12754 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
12755 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
12756 (layout_decl): Likewise.
12757 (layout_record, layout_union): Make sizes unsigned.
12758 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
12759 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
12760 * tree.c (struct type_hash): hashcode is unsigned.
12761 (build_type_attribute_variant, type_hash_list): Likewise.
12762 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
12763 (attribute_hash_list, build_array_type, build_method_type): Likewise.
12764 (build_complex_type): Likewise.
12765 (real_value_from_int_cst): Remove unneeded casts.
12766 (integer_all_onesp): Add casts.
12767 (tree_floor_log2, compare_tree_int): New functions.
12768 (build_index_type): Use tree_int_cst_sgn.
12769 * varasm.c (assemble_variable): Use compare_tree_int.
12771 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
12773 * cpphash.c (collect_expansion): Also catch ## at start of macro.
12775 * varasm.c (make_decl_rtl): Don't add a number to members of
12777 (make_function_rtl): Likewise.
12779 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12781 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
12782 patch from 2000-01-28.
12784 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
12786 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
12787 filled with an insn from the jump target.
12789 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12791 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
12792 (c4x_external_ref): Likewise.
12793 * config/c4x/c4x.c (struct name_list): Likewise.
12795 1999-12-16 Ben Collins <bcollins@debian.org>
12797 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
12798 argument to genmultilib.
12799 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
12800 the contents into the multilib.h header.
12801 * gcc.c: Declare multilib_exclusions for the specs file.
12802 (set_multilib_dir): Use it.
12803 (print_multilib_info): Likewise.
12804 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
12805 to pass to genmultilib.
12807 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12809 * builtins.c (built_in_class_names, built_in_names): Constify a
12812 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
12814 (_mcleanup): Ensure value matches format specifier in sprintf.
12816 * cpphash.c (special_symbol): Don't needlessly cast away
12819 * cppinit.c (base_name): Delete unused prototype.
12821 * mkdeps.c (deps_init): Make definition K&R safe.
12823 * tree.h (built_in_class_names, built_in_names): Constify a
12826 2000-03-06 Jakub Jelinek <jakub@redhat.com>
12828 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
12829 floating point instructions for epilogue delay.
12831 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
12832 to gas if it supports .register pseudo.
12834 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
12835 LONG_DOUBLE_TYPE_SIZE if not defined.
12836 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
12837 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
12838 * real.c: Likewise.
12839 * gengenrtl.c: Likewise.
12840 * print-rtl.c: Likewise.
12842 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
12843 MASK_LONG_DOUBLE_128.
12844 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
12845 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
12846 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
12847 (SUBTARGET_SWITCHES): Define.
12848 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
12849 with -mlong-double-128.
12850 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12851 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12852 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12853 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
12854 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
12855 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
12856 with -mlong-double-128.
12857 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
12858 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
12859 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
12860 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
12861 TARGET_LONG_DOUBLE_128): Define.
12862 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
12863 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
12864 long double on TARGET_ARCH64.
12866 2000-03-06 Mark Mitchell <mark@codesourcery.com>
12868 * function.c (free_temps_for_rtl_expr): Don't free slots
12869 that have been pushed into a higher level.
12872 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12874 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12876 * basic-block.h (ALLOCA_REG_SET): Remove.
12877 (INITIALIZE_REG_SET): New macro.
12878 * flow.c (update_life_info): Use it.
12879 (calculate_global_regs_live): Likewise.
12880 (propagate_block): Likewise.
12881 * global.c (build_insn_chain): Likewise.
12882 * haifa-sched.c (schedule_region): Likewise.
12884 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
12886 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
12887 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
12888 (DWARF_ARANGES_PAD_SIZE): New define.
12889 (output_aranges): Use it to pad the address range header.
12890 (DWARF_ROUND): Fix for non power of 2 rounding.
12892 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
12894 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
12896 2000-03-05 Mark Mitchell <mark@codesourcery.com>
12898 * tree.def (RTL_EXPR): Update documentation.
12899 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
12900 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
12901 * function.c (preserve_rtl_expr_temp): New function.
12902 (preserve_rtl_expr_temps): Likewise.
12903 (preserve_rtl_expr_result): Use it.
12906 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12908 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12910 * regmove.c (copy_src_to_dest) Do not create src->dest move
12911 for unchanging destination.
12913 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12915 * function.h (struct sequence_stack): Remove rtl_expr.
12916 (struct emit_staus): Likewise.
12917 (seq_rtl_expr): Remove.
12918 * tree.h (free_temps_for_rtl_expr): Don't declare.
12919 (start_sequence_for_rtl_expr): Likewise.
12920 * rtl.h (preserve_rtl_expr_result): Likewise.
12921 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12922 (start_sequence_for_rtl_expr): Remove.
12923 (push_topmost_sequence): Don't save sequence_rtl_expr.
12924 (pop_topmost_sequence): Remove comment about not restoring it.
12925 (end_sequence): Don't set seq_rtl_expr.
12926 (init_emit): Don't initialize it.
12927 (mark_sequence_stack): Don't mark it.
12928 (mark_emit_status): Likewise.
12929 * except.c (protect_with_terminate): Use
12930 start_sequence_for_rtl_expr, not start_sequence.
12931 * expr.c (expand_expr, case RTL_EXPR): Don't call
12932 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12933 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12934 (preserve_rtl_expr_result): Remove.
12935 (free_temps_for_rtl_expr): Likewise.
12936 (pop_temp_slots): Likewise.
12937 (mark_temp_slot): Don't mark the rtl_expr.
12938 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12939 start_sequence_for_rtl_expr.
12941 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12943 * mkdeps.c, mkdeps.h: New files.
12944 * po/POTFILES.in: Add them.
12945 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12946 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12947 (mkdeps.o): New target.
12949 * cppfiles.c: Delete deps_output.
12950 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12951 OBJECT_SUFFIX, and base_name.
12952 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12954 (initialize_dependency_output): Use deps_init,
12955 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12956 all the unnecessary string bashing.
12957 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12959 * cpplib.c (do_include): Use deps_add_dep.
12960 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12961 deps_allocated_size, deps_size, deps_column members with
12962 single pointer to a struct deps. Delete prototype of
12965 * cppinit.c: Fix thinko in previous patch.
12967 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12969 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12970 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12971 (mode_for_size_tree): New function.
12972 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12973 * tree.h (mode_for_size_tree): New declaration.
12975 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12977 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12979 * stmt.c (is_body_block): Move...
12980 * dwarfout.c, dwarf2out.c: ...from here.
12981 * tree.h: Declare it.
12982 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12983 * final.c (final_start_function): Do call remove_unnecessary_notes
12986 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12988 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12990 * cpplib.h (_dollar_ok): New macro.
12991 (is_idchar, is_idstart): Use it.
12992 (IStable): Rename to _cpp_IStable. Declare it const if
12993 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12994 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12995 is_space): Update for renamed IStable.
12997 * cppinit.c: Delete all references to FAKE_CONST and CAT
12998 macros. Define init_IStable as empty macro if gcc >=2.7 or
12999 C99. Change TABLE() to ISTABLE and hardcode name of table.
13000 (cpp_start_read): Don't change the IStable based on
13003 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13004 changed. Handle '$' for char1 correctly.
13005 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13007 * cppexp.c (tokentab2): Make const.
13008 (cpp_lex): Make toktab const.
13009 * cppinit.c (include_defaults_array): Make const.
13010 (initialize_standard_includes): Make default_include const.
13012 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13014 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13015 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13016 (gen_decl_die): Likewise.
13017 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13018 (output_decl): Likewise.
13020 * varasm.c (make_function_rtl): If we change the name used in the
13021 rtl, update DECL_ASSEMBLER_NAME accordingly.
13022 (make_decl_rtl): Likewise.
13024 * toplev.c (rest_of_compilation): Tweak formatting.
13026 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13027 remove_unnecessary_notes.
13028 (debug_ignore_block): New fn.
13029 * toplev.h: Declare it.
13030 * emit-rtl.c (remove_unncessary_notes): Call it.
13031 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13032 * dwarf2out.h: Declare it.
13033 * final.c (final_start_function): Don't call remove_unnecessary_notes
13034 if we did insn scheduling.
13036 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13038 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13039 * cpplib.h: Delete SET_CPP_PEDANTIC.
13041 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13043 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13044 result is a RECORD_TYPE.
13046 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13048 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13050 2000-03-03 Richard Henderson <rth@cygnus.com>
13052 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13053 addition over compliments over shifts.
13055 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13057 * reload1.c (reload_combine_note_use): Handle return register USEs.
13058 REG case: Handle multi-hard-register hard regs.
13060 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13062 * md.texi: Document use of '*' in insn pattern name.
13064 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13066 * calls.c (special_function_p): operator new may not be malloc-like.
13068 * gcse.c (dump_hash_table): Really fix error in last change.
13070 2000-03-02 Denis Chertykov <denisc@overta.ru>
13072 * avr.c (print_operand): Use print_operand_address instead of
13074 * avr/libgcc.S: Cleanup code.
13076 2000-03-02 Richard Henderson <rth@cygnus.com>
13078 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13080 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13082 * tree.h (TYPE_ALIGN_UNIT): New macro.
13084 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13086 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13088 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13090 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13092 (SET_CPP_PEDANTIC): New macro.
13093 * cpplib.c (do_include): Don't bother checking system_header_p.
13094 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13095 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13097 * function.h (struct expr_status): Add x_arg_space_so_far.
13098 (arg_space_so_far): New macro.
13099 * expr.c (init_expr): Initialize it.
13100 * calls.c (emit_call_1): Reset it.
13101 (compute_argument_block_size, expand_call): Use it.
13102 (expand_call, store_one_arg): Increment it.
13104 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13106 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13109 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13111 * cppfiles.c (cpp_read_file): New function.
13113 * cpphash.c (collect_expansion): Make sure to reset last_token
13114 to NORM when we hit a string. Handle trailing whitespace
13115 properly when the expansion is empty.
13116 (create_definition): Disable line commands while parsing the
13118 (dump_definition): If pfile->lineno == 0, output a line
13119 command ahead of the dump, and add a trailing newline.
13121 * cppinit.c (append_include_chain): Add fifth argument, which
13122 indicates whether or not system headers are C++ aware.
13123 (initialize_standard_includes): New function,
13124 broken out of read_and_prescan. Pass 'cxx_aware' value from
13125 the include_defaults_array on to append_include_chain.
13126 (dump_special_to_buffer): Const-ify char array.
13127 (builtin_array): Don't dump __BASE_FILE__.
13128 (cpp_start_read): Use cpp_read_file. Reorder code for
13129 clarity. Don't output line commands here for -D/-A/-U
13130 switches. Don't call deps_output for files included with
13131 -include or -imacros.
13133 * cpplib.c (do_define): Don't pay any attention to the second
13135 (cpp_expand_to_buffer): Disable line commands while scanning.
13136 (output_line_command): Work in the file buffer.
13137 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13138 Fix formatting of comments. Prototype cpp_read_file.
13140 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13142 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13143 reference the language-equivalent of sizetype.
13144 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13145 * fold-const.c (size_binop, size_diffop): Put back checks.
13146 * gcse.c (dump_hash_table): Fix minor error in last change.
13147 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13148 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13151 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13153 * calls.c (expand_call) Do not attempt to combine stack adjustments
13154 with inhibit_defer_pop set.
13156 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13158 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13159 the DECL_SIZE for a FIELD_DECL.
13161 2000-03-01 Bruce Korb <bkorb@gnu.org>
13163 * fixinc/inclhack.tpl: remove unused symlinks
13164 * fixinc/README: GCC Maintainer info
13165 * fixinc/inclhack.sh: regen
13166 * fixinc/fixincl.sh: regen
13168 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13170 * cpphash.c (collect_expansion): Trim trailing white space
13171 from macro definitions, but don't go past the last insertion
13174 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13176 * i386.md (mulqi3): New pattern.
13178 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13180 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13182 (struct cpp_reader): Add parsing_if_directive and
13183 parsing_define_directive flags.
13184 (struct cpp_options): Remove output_conditionals flag.
13185 (check_macro_name): Delete prototype.
13187 * cpphash.h (struct macrodef): Delete.
13188 (struct reflist): Separate from struct definition.
13189 (struct definition): Remove unused fields. Add column number.
13190 (create_definition): Returns a DEFINITION *. Takes a
13191 cpp_reader * and an int.
13193 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13194 (PEEKC): Copy defn from cpplib.c.
13195 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13197 (struct arglist): Simplify.
13198 (collect_expansion): Rewrite. Get tokens by calling
13199 cpp_get_token. Add more error checking.
13200 (collect_formal_parameters): New function, broken out of
13201 create_definition and reworked to use get_directive_token.
13202 (create_definition): All real work is now in collect_expansion
13203 and collect_formal_parameters. do_define handles finding the
13204 macro name. Return a DEFINITION, not a MACRODEF.
13205 (macroexpand): Replace bcopy with memcpy throughout. Replace
13206 character-at-a-time copy loop with memcpy and pointer increments.
13207 (compare-defs): d1->argnames / d2->argnames might be null.
13209 * cpplib.c (copy_rest_of_line): Delete function.
13210 (skip_rest_of_line): Do all the work ourselves.
13211 (skip_string): New function.
13212 (parse_string): Use skip_string.
13213 (get_macro_name): New function.
13214 (check_macro_name): Delete.
13215 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13216 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13217 (handle_directive): ICE if we're called on a macro buffer.
13218 (do_define): Determine macro name and type (funlike/objlike)
13219 here. Expunge all uses of MACRODEF.
13220 (cpp_push_buffer): Set line_base to NULL.
13221 (do_undef, read_line_number): Don't worry about getting a POP token.
13222 (eval_if_expression): Set/reset parsing_if_directive around
13223 cpp_parse_expr. Don't clear only_seen_white.
13224 (skip_if_group): Remove output_conditionals logic. Use
13226 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13227 tokens under appropriate conditions.
13228 (cpp_unassert): Call do_unassert not do_assert. Oops.
13230 * cppexp.c (parse_defined): New function, break out of
13232 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13233 ourselves, with cpp_defined.
13234 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13236 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13237 * gcc.dg/strpaste-2.c: New.
13239 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13241 * fold-const.c (size_binop): Don't asert inputs are the same and
13242 have TYPE_IS_SIZETYPE set.
13243 (size_diffop): Likewise.
13245 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13247 * dwarfout.c (output_block): Output abstract blocks even if they
13248 don't have TREE_ASM_WRITTEN set.
13250 * calls.c (emit_library_call): Check for null REG.
13252 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13254 * c-decl.c (current_function_decl): Move to toplev.c.
13255 (init_decl_processing): Don't add current_function_decl as a ggc
13257 * dbxout.c (dbxout_symbol): Change return type to int.
13258 (dbxout_symbol_location, dbxout_syms): Likewise.
13259 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13260 any locals. Use current_function_func_begin_label if set.
13261 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13262 * dwarf2out.c (dwarf2out_begin_prologue): Set
13263 current_function_func_begin_label.
13264 * final.c (final_start_function): Reset it.
13265 * toplev.c (current_function_decl): Define it here.
13266 (current_function_func_begin_label): New variable.
13267 (main): Add both as ggc roots.
13268 * tree.h (current_function_func_begin_label): Declare.
13270 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13272 * gcse.c: Cleanups throughout: mostly white-space, but also
13273 some minor rearrangement of code.
13275 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13277 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13278 returns a PARALLEL. Use emit_group_load and use_group_regs
13280 (emit_library_call_value): Similarly.
13282 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13283 * pa/quadlib.asm: Remove.
13284 * pa/quadlib.c: New file.
13286 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13287 * configure: Rebuilt.
13289 2000-02-29 Philip Blundell <pb@futuretv.com>
13291 * config/arm/conix-elf.h: New file.
13292 * configure.in (arm*-*-conix*): New configuration.
13293 * configure: Regenerate.
13295 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13297 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13298 don't have TREE_ASM_WRITTEN set.
13300 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13302 * Eliminate DECL_FIELD_SIZE.
13303 * builtins.c (built_in_class_names, built_in_names): New variables.
13304 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13305 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13306 DECL_SIZE, not DECL_FIELD_SIZE.
13307 * print-tree.c (print_node): Remove code that prints extra blank
13308 lines in some cases.
13309 Properly handle inline and builtin function cases.
13310 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13311 * tree.h (built_in_class_named, built_in_names): New declarations.
13312 (union tree_decl): Rename internal unions to u1 and u2 and change
13313 some of their components.
13314 Add new field built_in_class.
13315 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13316 Reflect above changes.
13317 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13318 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13319 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13320 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13322 2000-02-28 Dmitri Makarov <dim@windriver.com>
13324 * extend.texi: Document ARM's support for long/short calls.
13326 * invoke.texi: Document ARM's -mlong-calls command line switch.
13328 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13329 (arm_encode_call_attribute): Add prototype.
13330 (arm_set_default_type_attribute): Add prototype.
13331 (arm_strip_name_encoding): Add prototype.
13333 * config/arm/arm.c (arm_init_cumulative_args): replace
13334 initialisation og 'long_calls' field with initialisation of
13335 'call_cookie' field.
13336 (enum arm_pragma_enum): New enum.
13337 (arm_pragma_long_calls): New static variable.
13338 (arm_process_pragma): Also process "#pragma long_calls_off".
13339 (arm_valid_type_attribute_p): Accept short_call attribute.
13340 (arm_comp_type_attributes): Check long/short call attributes.
13341 (arm_encode_call_attribute): New function: Encode long_call
13342 or short_call attribute in function name.
13343 (arm_set_default_type_attributes): New function: Assign
13344 default attributes to newly defined type.
13345 (current_file_function_operand): New function: Return true if
13346 the symbol is a function which has already been compiled.
13347 (arm_is_longcall_p): New function: Return true if the
13348 indicated function should be called via a long call.
13349 (arm_get_strip_length): New function. Returns number of
13350 prefix characters to be stripped from a function's name.
13351 (arm_strip_name_encoding): New function. Strip prefix characters
13352 from a function's name.
13354 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13355 with 'call_cookie'.
13356 (SHORT_CALL_FAG_CHAR): Define.
13357 (LONG_CALL_FAG_CHAR): Define.
13358 (ENCODED_SHORT_CALL_ATTR_P): Define.
13359 (ENCODED_LONG_CALL_ATTR_P): Define.
13360 (ARM_NAME_ENCODING_LENGTHS): Define.
13361 (STRIP_NAME_ENCODING): Define.
13362 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13363 (ARM_ENCODE_CALL_TYPE): Define.
13364 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13365 (ARM_DECLARE_FUNCTION_SIZE): Define.
13366 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13368 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13369 if a long call is needed.
13370 (call_value): Ditto.
13371 (call_symbol): Ditto.
13373 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13374 ARM_DECLARE_FUNCTION_SIZE.
13376 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13377 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13378 (ARM_STRIP_NAME_ENCODING): Undefine.
13379 (STRIP_NAME_ENCODING): Undefine.
13380 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13381 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13382 (ASM_OUTPUT_COMMON): Ditto.
13383 (ASM_DECLARE_OBJECT_NAME): Ditto.
13385 * config/arm/pe.c (arm_dllexport_name_p): Check for
13387 (arm_dllimport_name_p): Ditto.
13388 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13389 (arm_mark_dllimport): Ditto.
13391 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13393 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13395 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13397 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13399 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13401 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13402 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13403 NO_BUILTIN_WCHAR_TYPE is not defined.
13404 (CPP_WCHAR_TYPE): Delete.
13405 * cccp.c (main): Don't change wchar_type if cplusplus.
13406 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13408 2000-02-28 Nick Clifton <nickc@cygnus.com>
13410 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13412 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13414 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13415 (ASM_WEAKEN_LABEL): Define.
13417 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13419 * expr.c (store_constructor): Do not emit USE.
13420 * rtl.h (stupid_life_analysis): Remove.
13422 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13424 * function.c (number_blocks): Reset next_block_index based on
13425 what debugging format is used, not what is defined.
13427 * lcm.c: Minor reformatting throughout.
13428 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13430 * toplev.c (rest_of_compilation): Account for time in
13431 optimize_mode_switching.
13433 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13434 if only marking labels.
13436 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13438 * calls.c (expand_call): Attempt to combine stack adjustments with
13439 pending stack adjustments.
13441 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13443 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13444 to the end of the function.
13446 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13448 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13450 * final.c (next_block_index): Remove.
13451 (max_block_depth): Likewise.
13452 (pending_blocks): Likewise.
13453 (init_final): Don't initialize them.
13454 (final_start_function): Don't set next_block_index. Set up
13456 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13457 * function.h (number_blocks): New function.
13458 * function.c (get_block_vector): New function.
13459 (identify_blocks): Use it.
13460 (reorder_blocks): Set NOTE_BLOCK.
13461 (number_blocks): New function.
13462 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13463 * tree.h (BLOCK_NUMBER): New macro.
13464 (tree_block): Add block_num field.
13465 * dbxout.c (next_block_number): Remove.
13466 (dbxout_init): Don't set it.
13467 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13468 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13470 * toplev.c (rest_of_compilation): Always call
13471 find_loop_tree_blocks. Fix indentation.
13472 * dwarf2out.c (next_block_number): Remove.
13473 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13474 to determine block numbers.
13475 (gen_inlined_subroutine_die): Likewise.
13476 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13477 (decls_for_scope): Don't increment next_block_number.
13478 * dwarfout.c (next_block_number): Remove.
13479 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13480 to determine block numbers.
13481 (output_inlined_subroutine_die): Likewise.
13482 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13483 (output_decls_for_scope): Don't increment next_block_number.
13484 * sdbout.c (next_block_number): Remove.
13485 (sdbout_block): Use BLOCK_NUMBER.
13486 (sdbout_begin_block): Simplify.
13487 * xcoffout.c (next_block_number): Remove.
13488 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13489 (xcoffout_begin_block): Don't set next_block_number.
13490 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13493 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13495 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13496 (expand_builtin_strcpy): Pass correct type to size_binop.
13497 (expand_builtin_strcmp): Likewise.
13498 Clean up conditional structure.
13499 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13500 (complete_array_type): Don't use size_binop for MAXINDEX.
13501 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13502 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13503 (c_alignof): Use size_one_node.
13504 (build_unary_op): Pass arg of proper type to size_binop.
13505 (really_start_incremental_init, push_init_level): Use sizetype for
13506 constructor{,_bit,_unfilled}_index.
13507 (pop_init_label, output_init_element): Likewise.
13508 (output_pending_init_elements, process_init_element): Likewise.
13509 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13510 * expr.c (store_expr): Use size_int.
13511 (store_constructor): Use proper types for size_binop args.
13512 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13513 (expand_expr_unaligned): Likewise.
13514 (string_contant): Return object of sizetype.
13515 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13516 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13517 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13518 * fold-const.c (int_const_binop): Refine when size_int is called.
13519 (fold_convert): Likewise.
13520 (size_int_wide): Rework to take KIND as arg, only take low order
13521 bits, handle new sizetype_tab datatype, and chain entries in
13523 (size_int_type_wide): New function.
13524 (size_binop): Validate types of arguments.
13525 (ssize_binop): Deleted.
13526 (size_diffop): New function.
13527 (extract_muldiv): Only fold division into multiplication for sizetypes.
13528 * function.c (assign_parms): Use size_diffop and make sure
13529 VAR field is of ssizetype; also pass proper type to size_binop.
13530 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13531 (round_down): Deleted from here.
13532 * store-layout.c (sizetype_tab): Now an array.
13533 (sizetype_set, early_root_list): New variables.
13534 (variable_size): Use size_one_node.
13535 (round_up): Pass proper type to size_binop.
13536 (round_down): Moved to here and corrected as above.
13537 (layout_record): Pass proper arg types to size_binop.
13538 (layout_type): Likewise.
13539 If sizetype_set is zero, record the type just laid out.
13540 (make_unsigned_type): Don't call set_sizetype;
13541 (make_signed_type): Likewise; also, call fixup_signed_type.
13542 (initialize_sizetypes): New function.
13543 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13544 set name of bitsizetype to "bit_size_type".
13545 Fix up type of sizes of all types made before call.
13546 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13547 * tree.c (fix_sizetype): Deleted.
13548 (build_common_tree_nodes): Call initialize_sizetypes.
13549 (build_common_tree_nodes_2): Don't call fix_sizetype.
13550 * tree.h (TYPE_IS_SIZETYPE): New macro.
13551 (initialize_sizetype): New declaration.
13552 (enum size_type_kind): New type.
13553 (struct sizetype_tab): Deleted.
13554 (sizetype_tab): Now array; adjust sizetype macros.
13555 (size_diffop, size_int_type_wide): New functions.
13556 (size_int_wide): Change number of args and type; access macros changed.
13557 (ssize_int, sbitsize_int): New macros.
13558 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13559 (ROUND_TYPE_SIZE_UNIT): New macro.
13561 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13563 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13565 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13567 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13568 Mark as possibly unused.
13570 * cse.c (cse_insn): Delete dead code involving tablejump.
13571 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13573 * Makefile.in (libcpp.a): Start by deleting it.
13575 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13577 * cpplib.h (enum file_change_code): Added rename_file.
13578 * cpplib.c (do_line): If a filename is given, set file_change to
13580 (output_line_command): If file_change is rename_file, always
13581 output a # directive with the file name.
13583 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13585 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13587 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13588 when copying a PARM_DECL or RESULT_DECL.
13590 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13592 * fix-header.c (recognized_function): Also fix prototypes for
13593 functions taking "void".
13595 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13597 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13598 looking at reg_reloaded_contents.
13600 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13602 * Makefile.in (STMP_FIXINC): New toggle.
13603 (LIBGCC2_DEPS): Delete all references.
13604 (stmp-headers): Delete target. All references either deleted
13605 or changed to stmp-int-headers.
13606 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13607 (LIBCPP_OBJS): Take out cppalloc.o.
13608 (cppalloc.o): Delete target.
13609 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13610 (gen-protos, fix-header): Link with libiberty.a.
13611 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13614 * configure.in: Remove refs to strerror.
13615 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13616 * system.h: Take out strerror stanza.
13618 * cpperror.c (my_strerror): Delete function.
13619 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13620 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13621 * cppalloc.c: Delete file.
13622 * gen-protos.c: Don't provide xrealloc.
13624 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13625 xstrerror throughout.
13627 2000-02-26 Bruce Korb <bkorb@gnu.org>
13629 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13630 match for DOS headers, too.
13631 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13633 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13635 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13636 is right for most ELF targets.
13637 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13638 Let the default file use %U properly.
13639 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13642 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13645 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13647 * toplev.c (documented_lang_options): Correct spelling error.
13648 (decode_d_option, decode_f_option, main): Likewise.
13650 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13652 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13653 to tell assembler it is permitted to expand large constants.
13655 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13657 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13658 (aux_info_suffix): Use.
13659 (SAVE_SUFFIX): New macro.
13660 (save_suffix): Use.
13661 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13662 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13663 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13665 * invoke.texi (Running Protoize): Update documentation.
13667 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13669 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13671 2000-02-25 John Wehle (john@feith.com)
13673 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
13675 2000-02-25 Anthony Green <green@cygnus.com>
13677 * toplev.c (rest_of_compilation): Rebuild jump labels if
13678 combine_instructions has created a new direct jump.
13679 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
13681 (combine_instructions): Call try_combine with new argument.
13682 Return non-null value when new direct jump instruction is created.
13683 * rtl.h: combine_instructions returns an int.
13685 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
13687 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
13688 jump when changing a computed jump into a jump to a known
13691 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
13693 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
13694 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
13696 * i386.md (define_expand "clrstrsi"): Fix typo.
13698 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
13700 * rtl.texi: Fix typo.
13702 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13704 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
13705 UNITS_PER_WORD. Change caller initial_elimination_offset.
13706 (rounded_frame_size): Take into account that argument pushed has
13707 changed. Fix TARGET_ALIGN_DOUBLE problem.
13709 2000-02-25 Geoff Keating <geoffk@cygnus.com>
13711 * haifa-sched.c (schedule_block): Explain the real reason
13712 we delete REG_SAVE_NOTEs on the first insn of a block.
13713 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
13715 2000-02-24 Mark Mitchell <mark@codesourcery.com>
13717 * input.h (push_srcloc): New function.
13718 (pop_srcloc): Likewise.
13719 * toplev.c (push_srcloc): Define it.
13720 (pop_srcloc): Likewise.
13722 2000-02-24 Richard Henderson <rth@cygnus.com>
13724 * flow.c (life_analysis): When collecting reg info, clear
13727 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13729 Fix bug exposed by reload.c no longer rounding the frame
13730 size to BIGGEST_ALIGNMENT:
13731 * sh.c (rounded_frame_size): New function.
13732 (sh_expand_prologue, sh_expand_epilogue): Use it.
13733 (initial_elimination_offset): Likewise.
13735 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13737 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
13738 * sh-protos.h (sh_need_epilogue): Declare.
13739 * sh.c (sh_need_epilogue_known): New static variable.
13740 (sh_need_epilogue): New function.
13741 (function_epilogue): Clear need_epilogue_known.
13742 * sh.md (return): Split into expander / insn pattern.
13743 Make the expander conditional on ! sh_need_epilogue ().
13745 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
13747 * machmode.h (get_mode_alignment): Declare.
13748 (GET_MODE_ALIGNMENT): Call it.
13749 * stor-layout.c (get_mode_alignment): New function. Make
13750 sure alignment is always power of 2.
13752 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13754 * i386.h: Remove useless definition of "I386" and misleading
13757 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13759 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
13760 under which TREE_PERMANENT will be set.
13761 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
13762 build1): Use TREE_SET_PERMANENT.
13763 * print-tree.c (print_node): Don't report value of
13764 TREE_PERMANENT if ggc_p is true.
13766 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
13767 decide whether to give a type a new alias set.
13768 * objc/objc-act.c (build_objc_string_object): Never copy the string.
13769 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
13770 of value of 'obstack'.
13773 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13775 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
13777 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13779 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
13780 * cpplib.c (cpp_get_token): Produce them.
13781 * cppexp.c (cpp_lex): Handle them.
13783 2000-02-23 Nick Clifton <nickc@cygnus.com>
13785 * config/arm/arm.c (arm_comp_type_attributes): Simply and
13786 comment tests on type attributes.
13788 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13790 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
13791 conform to documentation.
13792 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
13793 to check for special cases.
13794 * sh-protos.h (sh_loop_align): Declare.
13795 * sh.c (sh_loop_align): Define.
13797 2000-02-22 Andrew Haley <aph@cygnus.com>
13799 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
13800 (SIZE_TYPE): Is 32 bits when using -mgp32.
13801 (PTRDIFF_TYPE): Ditto.
13803 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13805 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
13807 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
13809 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
13810 BIGGEST_FIELD_ALIGNMENT a constant.
13812 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
13814 * dwarf2out.c (output_line_info): Put the marker for the end of
13815 the line number info at the actual end.
13816 (gen_struct_or_union_type_die): Use decl_function_context
13817 to check for local classes.
13818 * dwarfout.c (output_type): Likewise.
13820 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
13822 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
13823 for arguments with a mode, but no type.
13824 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
13825 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
13826 * pa/long_double.h: New file.
13827 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
13828 both have 128bit wide long doubles.
13829 * configure: Rebuilt.
13831 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13833 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
13835 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
13836 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
13837 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
13839 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
13841 * integrate.c (compare_blocks, find_block): Likewise.
13843 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
13845 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
13847 * stmt.c (stmt_status, set_file_and_line_for_stmt,
13848 expand_asm_operands): Likewise.
13850 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
13852 * predict.c (estimate_probability): Added the pointer heuristic to
13853 the collection of static branch predictors.
13855 2000-02-21 Catherine Moore <clm@cygnus.com>
13857 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
13858 * invoke.texi (-mfix7000): Document.
13860 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
13862 * diagnostic.c (init_output_buffer): Make it possible to output at
13863 least 32 characters if we're given a too long prefix.
13865 2000-02-20 Mark Mitchell <mark@codesourcery.com>
13867 * varasm.c (initializer_constant_valid_p): Call
13868 lang_expand_constant to simplify the constant.
13870 2000-02-20 Bruce Korb <bkorb@gnu.org>
13872 * fixinc/inclhack.def(stdio_va_list):
13873 typedef needs to be disabled.
13874 * fixinc/inclhack.sh: regen
13875 * fixinc/fixincl.x: regen
13877 2000-02-20 Geoff Keating <geoffk@cygnus.com>
13879 * print-rtl.c (print_rtx): Don't print addresses when
13880 flag_dump_unnumbered.
13882 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13884 * sparc.c (sparc_output_scratch_registers): Mark parameter with
13886 (sparc_va_arg, sparc_flat_output_function_prologue,
13887 sparc_flat_output_function_epilogue): Cast value to unsigned in
13889 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
13891 * sparc.md: Add default case in switch.
13893 2000-02-19 Richard Henderson <rth@cygnus.com>
13895 * c-typeck.c (add_pending_init): Don't abort for multiple
13896 fields at the same offset.
13897 (pending_init_member): Test the correct member.
13899 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13901 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
13903 (start_catch_handler) : Same.
13905 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13907 * Makefile.in: Have flow.o depend on $(EXPR_H)
13909 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13911 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13912 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13913 (finish_decl): Remove -Wlarger-than code from here.
13914 * flags.h (id_clash_len): Now int.
13915 (larger_than_size): Now HOST_WIDE_INT.
13916 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13917 Clean up checking to see if in table.
13918 (make_bit_field_ref): Remove extra parm to bitsize_int.
13919 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13920 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13921 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13922 and for computing size of decl.
13923 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13924 Move -Wlarger-than code to here.
13925 (layout_record): Remove extra arg to bitsize_int.
13926 Set TYPE_BINFO_SIZE_UNIT.
13927 (layout_union): Remove extra arg to bitsize_int.
13928 Use proper type for size of QUAL_UNION.
13929 (layout_type): Remove extra arg to bitsize_int.
13930 * toplev.c (id_clash_len): Now int.
13931 (larger_than_size): Now HOST_WIDE_INT.
13932 (decode_W_option): Clean up id-clash and larger-than- cases.
13933 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13934 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13935 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13936 (struct tree_decl): New field size_unit.
13937 (size_int_wide): No HIGH operand; NUMBER is now signed.
13938 (size_int_2): Deleted.
13939 (size_int, bitsize_int): Don't use it and rework args.
13940 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13942 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13944 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13946 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13948 * invoke.texi (Warning Options): Add an explanation of why
13949 you might want the -Wfloat-equal flag.
13951 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13953 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13954 * cppinit.c (new_pending_define): Add cast to avoid warning.
13955 * expmed.c (extract_bit_field): Likewise.
13956 * flow.c (enum reorder_skip_type): New type.
13957 (skip_insns_between_blcok): New it.
13958 Rework to avoid warning about possibly undefined variable.
13959 * function.c (assign_parms): Make thisparm_boundary unsigned.
13960 * genrecog.c (write_switch): Cast XWINT result to int.
13961 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13962 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13963 one for MIPS and one for Alpha.
13964 (get_tag, copy_object): Add casts to avoid warnings.
13965 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13966 * reload.c (find_reloads): Make TYPE enum reload_type.
13967 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13968 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13969 * varasm.c (compare_constant_1): Add cast to avoid warning.
13970 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13972 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13973 Cast switch operand of size to int.
13974 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13975 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13978 2000-02-18 Nick Clifton <nickc@cygnus.com>
13980 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13981 anything for an alignment of zero.
13983 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13984 anything for an alignment of zero.
13986 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13988 * gcc.texi (Bug Reporting): Refer to bugs.html.
13989 (Bug Lists): Likewise.
13990 * system.h (GCCBUGURL): New preprocessor define.
13991 * rtl.c (fancy_abort): Use it.
13992 * gcc.c (main): Likewise.
13994 2000-02-18 Richard Henderson <rth@cygnus.com>
13996 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13997 (life_analysis_1): Subsume into ...
13998 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13999 Use update_life_info for the relaxation.
14000 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14001 entry and regs_live_at_setjmp.
14002 (set_noop_p): Simplify.
14003 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14004 (record_volatile_insns): Split into ...
14005 (delete_noop_moves): ... here,
14006 (notice_stack_pointer_modification): ... here,
14007 (insn_dead_p): ... and here.
14008 (propagate_block): Don't query INSN_VOLATILE.
14009 (mark_used_regs): Mind !PROP_REG_INFO.
14010 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14011 not in life_analysis.
14013 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14015 * loop.c (canonicalize_condition): New function,
14016 broken out of get_condition.
14017 (get_condition): Use it.
14018 * expr.h (canonicalize_condition): Prototype it.
14020 * tree.h (tree_int_cst_msb): Declare.
14021 * tree.c (tree_int_cst_msb): New function.
14023 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14025 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14028 * invoke.texi (-fmessage-length=n): Document.
14030 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14032 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14034 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14036 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14037 after the prologue.
14039 2000-02-17 Nick Clifton <nickc@cygnus.com>
14041 * config/arm/thumb.c: Replace includes of system headers with
14042 #include "system.h".
14044 2000-02-16 Richard Henderson <rth@cygnus.com>
14046 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14047 Add crtbeginS.o and crtendS.o.
14048 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14049 (ENDFILE_SPEC): Use crtendS.o.
14050 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14052 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14053 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14054 shared and present.
14055 (__dso_handle): New variable.
14056 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14057 bias to __CTOR_END__.
14059 2000-02-16 Richard Henderson <rth@cygnus.com>
14061 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14063 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14065 * longlong.h (__clz_tab): Declare as static to match definition.
14067 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14069 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14070 (XREF_FILE_NAME): Define.
14072 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14073 (EH_FRAME_SECTION_ASM_OP): Define.
14074 (IDENT_ASM_OP): Define.
14075 (TEXT_SECTION_ASM_OP): Define.
14076 (CPP_SPEC): Define.
14077 (CTORS_SECTION_ASM_OP): Define.
14078 (CTOR_SECTION_FUNCTION): Use it.
14079 (DTORS_SECTION_ASM_OP): Define.
14080 (DTOR_SECTION_FUNCTION): Use it.
14082 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14084 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14087 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14088 debug_bb_n): New functions.
14089 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14090 * basic-block.h: Prototype new functions.
14092 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14094 * configure.in: Add support for avr target.
14095 * configure: Rebuilt.
14097 * invoke.texi: Add AVR invocation docs.
14098 * install.texi: Add information about AVR.
14099 * md.texi: Add AVR constraint letters description.
14100 * extend.texi: Add description for AVR specific attributes.
14102 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14104 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14106 2000-02-16 Nick Clifton <nickc@cygnus.com>
14108 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14109 (make_insn_raw): Move RTL check here.
14111 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14113 * version.c: Include gansidecl.h and version.h.
14115 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14117 * configure.in (gcc_version): When setting, narrow search to
14118 lines containing `version_string'.
14120 * Makefile.in (mainversion): Likewise.
14121 (GCC_H): New variable.
14122 (gcc.h): Delete target.
14123 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14124 (version.o): Depend on version.h.
14125 (dbxout.o): Don't depend on gcc.h.
14127 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14128 Michael Meissner <meissner@cygnus.com>
14130 * md.texi (Simple Constraints): Add item about whitespace.
14131 * genoutput.c (strip_whitespace): New.
14132 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14133 strip_whitespace for constraints.
14134 Test pointer using NULL, not 0.
14136 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14138 * cpplib.c (do_line): Pedwarn for #line > 32767.
14140 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14142 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14144 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14145 to default cpp spec.
14146 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14147 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14150 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14153 2000-02-15 Denis Chertykov <denisc@overta.ru>
14155 * configure.in: Add support for avr target.
14157 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14159 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14160 (sh_addr_diff_vec_mode): Don't declare.
14161 * sh.c (sh_addr_diff_vec_mode): Delete.
14163 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14165 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14167 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14169 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14170 (smulsi3_highpart_i): Name.
14171 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14172 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14173 (smulsi3_highpart, umulsi3_highpart): Likewise.
14175 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14176 correctly independent of endianness.
14177 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14178 confuse the optimizers.
14179 (mulsidi3+1, umulsidi3+1): New define_split.
14181 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14183 * config/sh/sh.md: Guard insn splits against illegal registers.
14184 * config/sh/sh.h: Correct comment about macros.
14186 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14187 Andrew MacLeod <amacleod@cygnus.com>
14189 * Makefile.in (lcm.o): Depend on insn-attr.h.
14190 * basic-block.h (optimize_mode_switching): Declare.
14191 * lcm.c (tm_p.h, insn-attr.h): #include.
14192 (seginfo, bb_info): New structs.
14193 (antic, transp, comp, delete, insert) : New file-scope static variables.
14194 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14195 (reg_becomes_live, optimize_mode_switching): Likewise.
14196 * tm.texi: Add description of mode switching macros.
14197 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14199 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14200 (fldi_ok, fpscr_set_from_mem): New prototypes.
14201 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14202 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14203 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14204 (sh_flag_remove_dead_before_cse): Remove declaration.
14205 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14206 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14207 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14208 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14209 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14210 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14211 (fldi_ok): New function.
14212 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14213 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14214 (emit_df_insn): Likewise.
14215 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14216 (sh_flag_remove_dead_before_cse): Delete.
14217 (get_free_reg, fpscr_set_from_mem): New functions.
14218 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14219 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14221 2000-02-15 Loren Rittle <ljrittle@acm.org>
14223 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14225 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14227 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14228 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14230 * cccp.c: Include version.h and/or don't declare `version_string'.
14231 * collect2.c: Likewise.
14232 * alpha.c: Likewise.
14233 * arm/aof.h: Likewise.
14234 * arm/coff.h: Likewise.
14235 * arm/elf.h: Likewise.
14236 * arm/pe.h: Likewise.
14237 * arm/tcoff.h: Likewise.
14238 * arm/telf.h: Likewise.
14239 * arm/tpe.h: Likewise.
14240 * arm/vxarm.h: Likewise.
14241 * convex/convex.c: Likewise.
14242 * i386/dgux.c: Likewise.
14243 * i386/sun386.h: Likewise.
14244 * m88k/m88k.c: Likewise.
14245 * mcore/mcore-pe.h: Likewise.
14246 * mips/mips.h: Likewise.
14247 * romp/romp.h: Likewise.
14248 * sh/sh.c: Likewise.
14249 * cpphash.c: Likewise.
14250 * cppinit.c: Likewise.
14251 * dwarf2out.c: Likewise.
14252 * dwarfout.c: Likewise.
14255 * mips-tfile.c: Likewise.
14256 * protoize.c: Likewise.
14257 * toplev.c: Likewise.
14258 * tree.h: Likewise.
14260 * version.c (version_string): Constify a char*.
14262 * version.h: New file.
14264 2000-02-14 Nick Clifton <nickc@cygnus.com>
14266 * configure.in: Add mcore-elf and mcore-pe targets.
14267 * configure: Regenerate.
14269 * NEWS: Add note that MCore port has been contributed.
14271 * invoke.texi: Document command line switches for MCore port.
14272 * install.texi: Add MCore to list of supported targets.
14274 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14276 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14277 then we will need to import the frame handling functions.
14278 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14279 to import the frames themselves.
14281 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14282 Jason Eckhardt <jle@cygnus.com>
14284 * basic_block.h: Added prototype for reorder_basic_blocks.
14285 * toplev.c: Changes to add -freorder-blocks and graph dump after
14286 block reordering is done.
14287 * flow.c (reorder_block_def): New structure for use during block
14289 (REORDER_BLOCK_*): New macros to access members of above structure.
14290 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14291 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14292 functions for block reordering.
14294 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14296 * gcc.texi (Passes): Fix typo.
14297 * md.texi (Standard Names): Ditto.
14298 * tm.texi (Storage Layout): Ditto.
14300 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14302 * cpplib.c (do_define): Only free the old definition if it
14305 2000-02-13 Neil Booth <NeilB@earthling.net>
14307 * cppfiles.c (read_and_prescan): When emitting deferred
14308 newlines, test speccase[] again instead of checking each
14309 possible whitespace character in turn. When we encounter \r,
14310 look behind for \n first, then ahead.
14312 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14314 * cse.c (cse_altered): New internal flag.
14315 (cse_insn): Set it if we changed an insn.
14316 (cse_main): Clear cse_altered before each basic block.
14317 Only garbage collect if cse_altered is true afterward.
14319 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14321 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14323 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14325 * combine.c (simplify_comparison): Fix typo.
14327 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14329 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14332 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14334 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14335 previously inserted node instead of root node. Caller changed.
14337 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14339 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14341 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14343 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14344 __dereg_frame_dtor): Add prototype argument.
14346 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14348 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14350 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14352 * gthr-vxworks.h (__gthread_once): Likewise.
14354 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14356 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14358 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14359 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14360 stack pointer in functions w/o saved registers, output LEAVE more often
14361 on TARGET_USE_LEAVE machines.
14363 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14365 * config/arm/arm.c (arm_init_cumulative_args); New function:
14366 Initlaise the CUMULATIE_ARGS strcuture for a function
14368 (arm_function_arg): New function: Determine where to place a
14369 function's argument. Also handles deciding the function's
14371 (current_file_function_operand): New function: Return true if
14372 the symbol is a function which has already been compiled.
14373 (arm_is_long_call_p): New function: Return true if the
14374 indicated function should be called via a long call.
14375 (arm_valid_type_attribute_p): New function: Return true if the
14376 attribute is a valid, arm specific, attribute.
14377 (arm_comp_type_attribute): New function: Return true if the
14378 two types have compatable, arm specific, attributes.
14380 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14382 (FUNCTION_ARG): Redefine to call arm_function_arg.
14383 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14385 (INIT_CUMULATIVE_ARGS): Redefine to call
14386 arm_init_cumulative_args.
14387 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14389 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14391 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14393 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14394 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14395 (COMP_TYPE_ATTRIBUTES): Define.
14397 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14398 if a long call is needed.
14399 (call_value): Call arm_is_long_call_p to decide if a long call
14401 (call_symbol): Call arm_is_long_call_p to decide if a long call
14404 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14406 2000-02-11 Denis Chertykov <denisc@overta.ru>
14408 * README.AVR: New file with information about the avr ports.
14409 * config/avr: New directory with avr port files.
14411 2000-02-11 Andreas Jaeger <aj@suse.de>
14413 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14415 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14417 * cpphash.c: Fix formatting, update commentary.
14418 (dump_definition): Take three separate arguments instead of a
14419 MACRODEF structure argument.
14420 * cpphash.h: Update prototype of dump_definition.
14421 * cppinit.c (cpp_finish): Update call of dump_definition.
14423 * cpplib.c (do_define): Always create new hash entry with
14424 T_MACRO type. Remove redundant check for redefinition of
14425 poisoned identifier. Update call of dump_definition.
14426 (do_undef): Don't call check_macro_name. Rename sym_length to
14428 (do_error, do_warning): Don't use copy_rest_of_line or
14430 (do_warning): Don't use pedwarn for the actual warning,
14431 only the notice about its not being in the standard. (Fixes
14432 bug with #warning in system headers.)
14433 (do_ident): Stricter argument checking - accept only a single
14434 string after #ident. Also, macro-expand the line.
14435 (do_xifdef): Use cpp_defined. De-obfuscate.
14437 (do_pragma): Split out specific pragma handling to separate
14438 functions. Use get_directive_token. Update commentary. Do
14439 not pass on #pragma once or #pragma poison to the front end.
14440 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14441 do_pragma_default): New.
14443 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14445 * jump.c (jump_optimize_1): The first operand in a relational
14446 can be a CONST_INT.
14447 * optabs.c (emit_conditional_move): Handle relationals which
14448 have a known true/false result.
14450 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14452 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14453 a RETURN insn into a block which already ends with a jump.
14455 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14457 * haifa-sched.c (BUF_LEN): Increase a lot.
14459 2000-02-11 Nick Clifton <nickc@cygnus.com>
14461 * configure.in: Add tm_p_file specification for thumb targets.
14462 * configure: Regenerate.
14464 * config/arm/thumb-protos.h: New file: Prototypes for exported
14465 functions defined in thumb.c.
14467 2000-02-11 Robert Lipe <robertl@sco.com>
14469 * Makefile.in (bootstrap-lean): Remove additional files.
14470 (bootstrap2-lean): Likewise.
14471 (VOL_FILES): List of files for above.
14473 2000-02-11 Nathan Sidwell <nathan@acm.org>
14475 * cpphash.c (special_symbol): Remove spurious argument to
14478 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14480 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14482 * configure: Rebuilt.
14484 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14486 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14488 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14490 * pa.c, pa.h: Remove trigraph sequences within comments.
14492 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14494 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14496 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14498 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14500 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14502 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14504 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14506 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14507 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14508 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14509 (ASM_FILE_END): Use c4x_file_end.
14510 * config/c4x/c4x.c (c4x_global_label): New function.
14511 (c4x_external_ref, c4x_file_end): Likewise.
14513 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14514 (c4x_external_ref, c4x_end_file): Likewise.
14516 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14518 * cppexp.c: Don't include cpphash.h.
14519 (parse_charconst, cpp_lex): Use cpp_defined.
14520 (cpp_lex): Use get_directive_token throughout. Remove
14521 unnecessary cases from switch. Move assertion-handling code
14522 down to OTHER case.
14523 (cpp_parse_expr): If we see '+' or '-', check the context to
14524 determine if they are unary or binary operators. Streamline
14525 the jumps a bit. Do not call skip_rest_of_line.
14527 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14528 static. Export get_directive_token. Update commentary.
14529 (cpp_defined): New function.
14530 (do_define): Remove reference to T_PCSTRING. Call
14531 free_definition to release memory for old definition, when
14532 redefining a macro.
14533 (eval_if_expression): Set only_seen_white to 0 before calling
14534 cpp_parse_expr. Call skip_rest_of_line after it returns.
14535 (cpp_read_check_assertion): Don't preserve a pointer into the
14536 token buffer across a call to cpp_get_token.
14538 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14539 * cppfiles.c (redundant_include_p): Use cpp_defined.
14540 * cpphash.c (free_definition): New function.
14541 (delete_macro): Use it. Update commentary.
14542 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14544 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14545 from enum node_type. Prototype cpp_defined and get_directive_token.
14546 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14548 * fix-header.c (check_macro_names): Use cpp_defined.
14549 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14550 the options structure.
14552 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14554 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14556 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14558 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14559 rather than die->die_tag.
14561 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14563 * combine.c (make_extraction, force_to_mode): Avoid warning on
14564 mixed-signedness conditionals.
14565 (make_field_assignment, nonzero_bits): Likewise.
14566 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14567 (store_split_bit_field, extract_split_bit_field): Likewise.
14568 (extract_fixed_bit_field, store_bit_field,
14569 * expr.c: Change alignment to be unsigned everywhere.
14570 (move_by_pieces, store_constructor_field, store_constructor):
14571 Alignment parm is unsigned.
14572 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14573 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14574 (do_compare_rtx_and_jump): Likewise.
14575 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14576 Compare align with GET_MODE_ALIGNMENT.
14577 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14578 (get_inner_reference): Likewise.
14579 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14580 (expand_assignment): Local vars for alignment now unsigned.
14581 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14582 (do_compare_and_jump): Likewise.
14583 (store_field): Call new function expr_align.
14584 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14585 Alignment arg now unsigned.
14586 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14587 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14588 (extract_bit_field): Likewise.
14589 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14590 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14591 (get_best_mode): Alignment arg is unsigned.
14592 * rtl.h (move_by_pieces): Likewise.
14593 * store-layout.c (maximum_field_alignment, set_alignment):
14595 (layout_decl): Alignment arg is now unsigned.
14596 Remove unneeded casts.
14597 (layout_record, layout_union, layout_type): Remove unneeded casts.
14598 Local alignment variables now unsigned.
14599 (get_best_mode): Alignment arg now unsigned.
14600 * tree.c (expr_align): New function.
14601 * tree.h (expr_align): Likewise.
14602 (maximum_field_alignment, set_alignment): Now unsigned.
14603 (get_inner_reference): Alignment argument is now pointer to unsigned.
14604 * varasm.c (assemble_variable): Add cast to eliminate warning.
14606 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14608 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14609 then store directly into op0.
14611 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14612 the CALL_INSN, and emit the note immediately after it.
14614 2000-02-10 Nick Clifton <nickc@cygnus.com>
14616 * config/arm/thumb.md (epilogue): Include a (return) in the
14617 generated insn, and emit it using emit_jump_insn not
14620 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14622 * function.c (assign_temp): Change zero-sized arrays to size 1.
14623 * integrate.c (expand_inline_function): Do not update
14624 stack_alignment_needed
14625 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14626 add some sanity checking, remove optimization for function with
14629 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14631 * flow.c (mark_regs_live_at_end): Delete unused variables.
14633 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14635 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14636 in macro FRAME_GROWS_DOWNWARD.
14638 * stmt.c (expand_end_bindings): Delete unused variable.
14640 * unroll.c (iteration_info): Mark parameter `loop' with
14643 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14645 * fixinc/server.c (load_data): Return NULL if the marker line is
14647 (run_shell): If load_data returns NULL, retry the command once, in
14650 * configure: Rebuilt.
14652 2000-02-09 Bruce Korb <bkorb@gnu.org>
14654 * gcc/fixincludes: ** DELETED **
14655 * gcc/fixcpp: ** DELETED **
14656 * gcc/fixinc-nt.sed: ** DELETED **
14657 * gcc/just-fixinc: ** DELETED **
14658 * gcc/Makefile.in: Removed out-dated commentary
14659 * gcc/configure.in: Removed fast-fixincludes disablement.
14660 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14662 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14663 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14666 2000-02-09 Richard Henderson <rth@cygnus.com>
14668 * jump.c (delete_insn): Don't delete user labels at -O0.
14670 2000-02-09 Robert Lipe <robertl@sco.com>
14672 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
14673 Don't link with HOST_LIBS.
14675 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14677 * configure.in: Correct --help text for --with-dwarf2.
14678 Put tm-dwarf2.h after other tm files, if it's requested.
14679 * configure: Regenerate.
14680 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
14683 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14685 * cpplib.h: Provide HASHNODE typedef and forward decl of
14686 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
14687 DEFINITION, struct hashnode, struct macrodef, struct
14688 definition, scan_decls prototype, default defn of
14689 INCLUDE_LEN_FUDGE moved elsewhere.
14691 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
14692 definition, and struct hashnode moved here. Remove the unused
14693 'predefined' field from struct definition. Replace the 'args'
14694 union with its sole member. All users updated (cpphash.c).
14695 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
14696 multiple include guard.
14698 * cpphash.c (hashf): Make static; use better algorithm; drop
14699 HASHSIZE parameter; return an unsigned int.
14700 (cpp_lookup): Drop HASH parameter. PFILE parameter is
14701 used. Calculate HASHSIZE modulus here.
14702 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
14704 (create_definition): Drop PREDEFINITION parameter.
14705 * cpplib.c (do_define): Don't calculate a hash value here.
14706 Don't pass (keyword == NULL) to create_definition.
14708 * scan.h: Prototype scan_decls here.
14709 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
14710 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
14711 callers of cpp_lookup and cpp_install updated.
14713 * cpphash.c (macarg): Hoist all the flag diddling out of the
14715 (macroexpand): ... and out of the loop that calls macarg.
14716 Skip over the initial paren before macro arguments with
14717 cpp_get_non_space_token; point may be some distance before
14718 that paren. Abort if it's not there.
14720 * cpplib.c (parse_clear_mark): Delete function.
14721 (parse_set_mark, parse_goto_mark): Make static.
14722 (ACTIVE_MARK_P): New macro.
14723 (skip_block_comment, skip_line_comment): Do not bump the line
14724 if ACTIVE_MARK_P is true.
14725 (cpp_pop_buffer): The buffer to be popped may not have an
14727 (cpp_get_token): When looking for the initial paren before
14728 macro arguments, only set a mark in a file buffer, Always
14729 return to that mark before proceeding to call macroexpand or
14730 return a NAME token.
14732 * cpplib.h: Remove prototypes of parse_set_mark,
14733 parse_clear_mark, parse_goto_mark.
14734 (struct cpp_options): Rename 'put_out_comments' to
14735 'discard_comments' and invert its sense.
14736 * cppinit.c, cpphash.c, cpplib.c: All users of
14737 put_out_comments changed to use discard_comments, with
14740 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14742 * function.c (thread_prologue_and_epilogue_insns): Don't delete
14743 the edge from a block that both jumps and falls through to the
14746 2000-02-09 Scott Bambrough <scottb@netwinder.org>
14748 * config/arm/arm.md (movsi): In PIC mode, make sure that a
14749 constant source address is legitimate.
14751 2000-02-09 Philip Blundell <pb@futuretv.com>
14753 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
14756 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
14758 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
14760 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
14762 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
14763 ends with a newline and a NUL. Don't be so clever manipulating
14766 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
14768 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
14769 not to BIGGEST_ALIGNMENT.
14771 2000-02-08 Geoff Keating <geoffk@cygnus.com>
14773 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
14774 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
14775 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
14776 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
14777 * frame.c (execute_cfa_insn): Handle
14778 DW_CFA_GNU_negative_offset_extended.
14780 2000-02-08 Richard Henderson <rth@cygnus.com>
14782 * flow.c (tidy_fallthru_edges): Split out from ...
14783 (delete_unreachable_blocks): ... here.
14784 (find_basic_blocks): Use it.
14786 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14788 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
14790 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
14792 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
14793 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
14794 (fix-header.o): Don't depend on cpphash.h.
14796 * scan.c (hashstr): New function.
14797 * scan.h: Prototype it.
14798 * fix-header.c: Don't include cpphash.h. Use hashstr.
14799 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
14800 hashstr. Report hash table statistics. Add private
14801 definition of xrealloc.
14803 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14805 * i386.h (TARGET_SWITCHES): Fix typo in option name.
14807 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
14809 * function.c (thread_prologue_and_epilogue_insns): Don't replace
14810 jumps with returns unless they are jumps to the fallthru block.
14812 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
14814 * i386.md (addqi3_cc): Fix contraints.
14816 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14818 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
14820 2000-02-07 Mark Mitchell <mark@codesourcery.com>
14822 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
14823 carriage return after a macro name.
14825 2000-02-07 Fred Fish <fnf@be.com>
14827 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
14828 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
14830 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
14832 * cppfiles.c (deps_output): Count spacers in deps_column.
14834 2000-02-07 Neil Booth <NeilB@earthling.net>
14836 * cppinit.c (initialize_dependency_output): If there is no
14837 suffix, don't try to look for known suffixes. Use strrchr.
14838 (cpp_start_read): Remove duplicate initialization.
14840 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
14842 * calls.c (compute_argument_block_size): New argument
14843 preferred_stack_boundary.
14844 (expand_call): update cfun->preferred_stack_boundary, update call of
14845 compute_argument_block_size
14846 (emit_library_call): Increate cfun->preferred_stack_boundary
14847 to PREFERRED_STACK_BOUNDARY
14848 (emit_library_call_value): Likewise.
14849 * explow.c (allocate_dynamic_stack_spave): Likewise.
14850 * function.c (prepare_function_start): Set
14851 cfun->preferred_stack_boundary
14852 * function.h (struct function): Add preferred_stack_boundary field.
14853 * integrate.c (expand_inline_function): Update
14854 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
14855 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
14856 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
14858 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
14860 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
14861 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
14862 cpp_pedwarn, cpp_pedwarn_with_line,
14863 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
14864 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
14865 v_cpp_error_with_line, v_cpp_warning_with_line,
14866 cpp_message_from_errno, cpp_perror_with_name): Delete.
14868 * cpperror.c (cpp_print_containing_files): Take starting
14869 buffer as argument.
14870 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
14871 (v_cpp_message): Now called directly by all entry points.
14873 (cpp_pfatal_with_name, cpp_message): Delete.
14874 (cpp_notice_from_errno, cpp_ice): New functions.
14875 (cpp_notice): Is now for reporting error conditions, just
14876 without an associated file.
14877 (cpp_error, cpp_error_with_line): Don't do anything if
14878 opts->inhibit_errors is on.
14879 (cpp_pedwarn_with_file_and_line): Take column argument also.
14881 * cpplib.h: Update prototypes of exported functions.
14882 (struct cpp_options): Add inhibit_errors.
14884 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
14885 non-error messages. Include intl.h.
14887 * cppinit.c, cppmain.c: Likewise. Also, use
14888 cpp_notice_from_errno instead of cpp_perror_with_name or
14889 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
14891 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
14892 report internal errors.
14894 * cpplib.c (do_define): Switch bcopy to memcpy.
14895 Give cpp_pedwarn_with_file_and_line a dummy column argument.
14897 * cpplib.c (copy_rest_of_line): Revert previous change: don't
14898 bail out early if we hit a line comment.
14900 2000-02-06 Richard Henderson <rth@cygnus.com>
14902 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
14903 * basic-block.h: Declare them.
14904 * emit-rtl.h (active_insn_p): New.
14905 (next_active_insn, prev_active_insn): Use it.
14906 * rtl.h: Declare it.
14907 * function.c (emit_return_into_block): New.
14908 (thread_prologue_and_epilogue_insns): Insert return insns instead
14909 of epilogues when possible.
14910 * jump.c (jump_optimize_1): Remove code to insert a return insn
14911 on the fallthru to the exit block.
14913 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14914 and for non-empty stack frames.
14915 * i386.md (return): Expand to return-pop as needed.
14917 2000-02-06 Richard Henderson <rth@cygnus.com>
14919 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14920 constant to op1 for testing.
14922 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14924 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14925 (fixuns_truncqfqi2): Use it.
14927 2000-02-06 Richard Henderson <rth@cygnus.com>
14929 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14930 as a TYPE_LEA insn.
14932 * i386.md (widening and peepholes): Mask the constant instead of
14935 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14937 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14938 input pointer before possibly branching off to the backslash
14940 * cpphash.c (macroexpand): Correctly delete \r escapes when
14941 stringifying parameters.
14942 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14943 if we can; bail out early if we hit a line comment.
14944 (handle_directive): Treat '# 123' in an .S file just like
14945 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14946 Return 1 for '# not_a_directive'.
14947 (get_directive_token): Pop macro buffers here, so that
14948 cpp_get_token can't sneakily move past a newline.
14950 (cpp_get_token): goto randomchar if handle_directive returns 0.
14952 * cppalloc.c: Update copyright.
14953 * cpplib.c: Merge all the static function prototypes into one
14955 * cpplib.h: Remove #if 0 block.
14957 * cpperror.c: Remove #ifdef EMACS block.
14958 * cppmain.c: Likewise.
14959 * cpphash.c: Remove #if 0 blocks.
14960 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14961 * cpplib.c: Remove #if 0 blocks and code referencing
14962 pcp_inside_if or for_lint. Remove duplicate error message.
14963 Fix error messages for #else after #else or #elif. Reformat.
14964 Remove archaic TODO list.
14965 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14967 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14969 * i386/osf1elf.h: Add missing backslash to multiline string.
14971 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14973 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14975 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14977 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14979 * c-common.c: Include expr.h.
14981 * c-pragma.c (mark_align_stack): Add prototype.
14983 * caller-save.c (add_stored_regs): Likewise.
14985 * combine.c (record_promoted_value): Likewise.
14987 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14990 * cppinit.c (new_pending_define): Likewise.
14992 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14994 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14995 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14996 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14997 class_scope_p): Likewise.
14999 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15000 dwarf2out_add_library_unit_info): Likewise.
15002 * ggc.h (ggc_page_print_statistics): Likewise.
15004 * haifa-sched.c (propagate_deps): Likewise.
15006 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15008 * rtl.h (set_stack_check_libfunc): Likewise.
15010 * toplev.h (set_fatal_function): Likewise.
15012 * toplev.c (set_fatal_function): Delete prototype.
15014 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15016 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15018 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15019 (FUNC_END): Likewise.
15021 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15023 * caller-save.c: Include tm_p.h.
15025 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15027 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15029 2000-02-04 Neil Booth <NeilB@earthling.net>
15031 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15034 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15036 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15037 * genflags.c: Use the max_operand_1 logic from genemit.c to
15038 calculate how many arguments gen_insn prototypes have. Remove
15039 NO_MD_PROTOTYPES ifdefs from the generated file.
15040 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15041 file. Cast gen_insn initializers to insn_gen_fn.
15042 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15043 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15045 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15047 * fixinc/Makefile.in (HDR): Add machname.h.
15050 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15052 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15053 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15054 (c4x_cpu_version): Ditto.
15055 * config/c4x/c4x-protos.h: ... here.
15057 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15059 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15060 gen_abstract_function on our context if we're a nested function.
15062 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15064 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15065 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15067 2000-02-04 Bruce Korb <bkorb@gnu.org>
15069 * fixinc/genfixes(machname.h):
15070 Move the functionality from gen-machine.h into this file.
15071 UNdef MN_NAME_PAT if there are no names to change.
15072 Also, be a little kinder when AutoGen is not present.
15074 * fixinc/Makefile.in(machname.h):
15075 Change the generation rule to use genfixes.
15077 * fixinc/fixfixes.c(machine_name):
15078 machine_name_fix's functionality now dependent upon whether
15079 MN_NAME_PAT is defined.
15081 * fixinc/fixtests.c(machine_name):
15084 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15087 * fixinc/fixlib.h(mn_get_regexps):
15090 * fixinc/gen-machine.h: DELETED
15092 2000-02-04 Jan Hubicka <jh@suse.cz>
15093 Richard Henderson <rth@cygnus.com>
15095 * i386.c (SAVE_REGS_FIRST): Remove.
15096 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15097 (ix86_compute_frame_size): Likewise.
15098 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15099 (ix86_emit_restore_regs): Remove.
15100 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15101 when a frame pointer is in use.
15102 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15103 instead of pop to restore a register when profitable; emit leave
15105 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15106 as a TYPE_LEA insn.
15107 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15108 * i386.md (prologue_allocate_stack): Remove.
15109 (epilogue_deallocate_stack): Remove.
15110 (pro_epilogue_adjust_stack): New.
15112 2000-02-04 Richard Henderson <rth@cygnus.com>
15114 * function.c (diddle_return_value): Rework to use a callback function.
15115 Use current_function_return_rtx if it's been set up.
15116 (do_clobber_return_reg, clobber_return_register): New.
15117 (do_use_return_reg, use_return_register): New.
15118 (expand_function_end): Use them.
15119 * stmt.c (expand_null_return): Likewise.
15120 * function.h: Declare them.
15121 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15122 (mark_reg): Change arguments as appropriate for callback.
15123 * integrate.c (expand_inline_function): Revert 19 Jan change.
15125 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15127 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15128 (Misc): Say the scheduler, not the Haifa scheduler.
15130 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15132 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15133 when in_mem is set. Update all callers.
15135 2000-02-04 Richard Henderson <rth@cygnus.com>
15137 * i386/openbsd.h (INT_ASM_OP): Define.
15139 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15141 * tm.texi: Fix various typos.
15143 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15145 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15146 (MD_STARTFILE_PREFIX_1): New macro.
15148 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15150 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15151 destination when needed.
15152 (strmovsi, strsetsi): New expander.
15153 (strmovsi_1, strsetsi_1): New pattern.
15154 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15155 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15156 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15157 * invoke.texi (align-stringops, inline-all-stringops): Document.
15159 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15161 * i386/netbsd.h (INT_ASM_OP): Define.
15163 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15165 * cpplib.h (cpp_reader): Add new flag, no_directives.
15166 * cpphash.c (macarg): Set it.
15167 * cpplib.c (handle_directive): If no_directives is on and we
15168 find a directive, issue an error and discard the line.
15170 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15172 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15173 FP constants. Add ! TARGET_FPU check for FP constants.
15175 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15177 * flow.c (find_basic_blocks): Don't kill label_value_list
15179 (cleanup_cfg): Kill it here.
15181 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15183 * expr.c (store_field): Ensure ALIGN is no stricter than the
15186 2000-02-02 Richard Henderson <rth@cygnus.com>
15188 * jump.c (delete_insn): Partially revert 19 Jan change;
15189 don't convert unused code labels to notes at -O0.
15191 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15193 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15194 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15196 2000-02-01 Richard Henderson <rth@cygnus.com>
15198 * i386.c (general_no_elim_operand): New.
15199 (nonmemory_no_elim_operand): New.
15200 (ix86_expand_move): Copy eliminable operands before a push.
15201 * i386-protos.h: Declare new functions.
15202 * i386.h (CAN_ELIMINATE): Simplify.
15203 (PREDICATE_CODES): Update.
15204 * i386.md (push insns): Don't allow eliminable register operands.
15206 2000-02-01 Richard Henderson <rth@cygnus.com>
15208 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15209 replace BLKmode with DECL_RTL's mode.
15211 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15213 * frame.c (find_fde): Convert for loop to do-while so compiler
15214 sees it's always executed at least once.
15215 * libgcc2.c (BBINBUFSIZE): Kill.
15216 (__bb_init_prg): Use fgets.
15217 (__bb_exit_trace_func): Don't paste strings.
15218 * unroll.c (unroll_loop): Initialize unroll_type, not
15219 unroll_number, and tweak logic to match.
15221 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15223 (ix86_flags_dependant): Likewise. Disentangle control flow.
15224 (ix86_sched_reorder): Break guts out to
15225 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15226 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15229 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15230 use string concatenation. Don't save and restore esi.
15232 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15233 (machname.h): Remove script to separate file. Use two-step
15234 sequence so target is not created if script fails.
15235 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15236 identifiers are defined.
15237 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15238 an empty string, machine_name doesn't need to do anything at
15240 (is_cxx_header): Add more cases to regexp.
15241 * fixinc/fixlib.h: Update prototype.
15242 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15244 * fixinc/fixincl.c: Define NO_BOGOSITY.
15246 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15247 (hp_sysfile): Add missing comma.
15248 (math_exception): Put the wrapper ifdefs at the beginning and
15249 the end of the file.
15250 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15252 2000-02-01 Richard Henderson <rth@cygnus.com>
15254 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15255 Use CONST0_RTX. Update all callers.
15256 * sparc.h, sparc-protos.h: Update accordingly.
15257 * sparc.md (fp mov insns): Use fp_zero_operand directly
15260 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15262 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15265 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15267 * Makefile.in (specs.ready): New target.
15268 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15270 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15272 * fixinc.irix: Use unique filenames for writing into /tmp,
15273 * fixinc.ptx: Likewise.
15274 * fixinc.sco: Likewise.
15275 * fixinc.svr4: Likewise.
15276 * fixinc.winnt: Likewise.
15278 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15280 * tsystem.h: New file.
15282 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15283 s-crtS): Depend on tsystem.h.
15285 * crtstuff.c: Include tsystem.h.
15286 * frame.c: Likewise.
15287 * libgcc2.c: Likewise.
15289 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15291 * builtins.c (expand_builtin_memset): Expand for variable sized
15294 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15296 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15299 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15301 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15303 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15305 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15307 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15308 case 3->2 combining (combining with splitting) in which 2 is CC0
15309 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15310 checked at the begining of the function with the aid of calling
15311 function 'can_combine_p'.
15313 2000-01-31 Dave Brolley <brolley@redhat.com>
15315 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15317 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15319 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15322 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15324 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15326 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15329 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15331 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15332 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15333 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15334 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15335 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15336 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15337 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15338 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15339 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15340 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15342 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15343 Add %(cpp_cpu) to CPP_SPEC.
15345 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15346 Add %(cc1_cpu) to CC1_SPEC.
15348 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15350 * c-decl.c (c_decode_option): Accept optional numeric argument to
15351 -Wformat and set warn_format.
15352 * c-common.c: Don't emit warning about non-constant printf format
15353 string unless warn_format > 1.
15355 2000-01-30 Richard Henderson <rth@cygnus.com>
15357 * alpha.md (return_internal): Allow after reload only.
15359 2000-01-30 Richard Henderson <rth@cygnus.com>
15361 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15362 local frame size is zero.
15364 2000-01-30 Richard Henderson <rth@cygnus.com>
15366 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15367 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15368 * alpha.md (return): Turn into an expander.
15369 (return_internal): Don't use $26.
15370 (epilogue): Emit the return insn.
15372 2000-01-30 Richard Henderson <rth@cygnus.com>
15374 * alpha.md (negtf2, abstf2): Fix word order thinko.
15375 (extendsftf2): New.
15376 (trunctfsf2): Avoid intermediate rounding errors.
15378 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15380 * cppfiles.c (find_position): Drop 'colp' argument, return the
15382 (read_and_prescan): Adjust to match. Don't ever manipulate
15383 line or line_base except via find_position.
15385 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15387 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15388 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15391 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15393 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15394 just print "<command line>". If 'filename' is null or an
15395 empty string, print "<stdin>" for the filename.
15396 * cpplib.c (do_define): Don't print the 'location of the
15397 previous definition' message if we're still parsing the
15399 (cpp_pedwarn_with_file_and_line): Always call
15400 cpp_file_line_for_message.
15402 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15404 * flow.c (mark_regs_live_at_end): Fix typo.
15406 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15408 * c-common.c: Adjust variable names, comments, help strings to c99.
15409 * c-lex.c: Likewise.
15410 * c-parse.y: Likewise.
15411 * c-tree.h: Likewise.
15412 * cccp.c: Likewise.
15413 * cpplib.h: Likewise.
15414 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15415 * cppinit.c: Likewise.
15417 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15419 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15420 * c4x.c: Define the optab rtx values.
15421 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15422 (c4x_emit_libcall): Use new optab rtx values.
15423 (c4x_emit_libcall3): Likewise.
15424 (c4x_emit_libcall_mulhi): Likewise.
15425 * c4x-protos.h: Add prototypes for optab rtx values and change
15426 prototypes for above c4x_emit_libcall functions.
15428 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15430 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15432 (c4x_function_prologue): Use regnames intead of float_reg_names when
15434 (c4x_function_epilogue): Likewise.
15435 (c4x_print_operand): Likewise.
15436 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15437 * c4x.md (set_high): Disable for TARGET_TI.
15439 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15441 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15442 of framepointer + constant to ADDR_REGS class.
15443 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15444 * c4x.c (std_or_reg_operand): New function.
15445 * c4x-protos.h (std_or_reg_operand): Prototype it.
15447 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15449 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15450 object names as libgcc2.c.
15451 * libgcc.S: Use newly defined names.
15453 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15454 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15456 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15457 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15458 (FLOW_LOOP_LAST_BLOCK): Likewise.
15460 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15462 * basic-block.h (struct loop): New fields 'first' and 'last'.
15463 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15464 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15465 and loop->last to check for NOTE_INSN_LOOP_END.
15467 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15469 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15470 of the loop descriptor rather than HEADER and LATCH. Also added
15471 missing break statements as well making some coding style modifications
15472 as suggested by Michael Hayes.
15474 2000-01-28 Richard Henderson <rth@cygnus.com>
15476 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15477 Break out that code ...
15478 (cleanup_cfg): ... here.
15479 (commit_one_edge_insertion): Detect a return instruction being
15480 emitted to an edge. Emit a barrier following; clear fallthru.
15481 (commit_edge_insertions): Verify CFG consistency.
15482 * function.c (expand_function_start): Kill unused variable.
15483 (expand_function_end): Likewise.
15484 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15485 to insert the epilogue.
15487 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15488 (delete_null_pointer_checks): Likewise.
15489 * output.h: Likewise.
15490 * reg-stack.c (reg_to_stack): Likewise.
15491 * toplev.c (rest_of_compilation): Likewise. Run
15492 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15494 2000-01-28 Richard Henderson <rth@cygnus.com>
15496 * Makefile.in (flow.o): Revert 24 Jan change.
15497 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15498 FUNCTION_VALUE result to DECL_RESULT's mode.
15500 * haifa-sched.c (schedule_insns): Don't recompute reg info
15503 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15505 * configure.in: Make --enable-cpplib the default.
15506 * configure: Regenerate.
15507 * gcc.dg/990119-1.c: No longer expected to fail.
15509 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15511 * jump.c (jump_optimize_1): Delete an optimization that is also done
15512 by merge_blocks in flow.
15514 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15516 * diagnostic.c (build_message_string, output_printf,
15517 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15518 (build_location_prefix): Fix non-literal format string.
15520 2000-01-27 Richard Henderson <rth@cygnus.com>
15522 * alpha.md (trunctfsf2): New.
15524 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15526 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15528 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15530 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15532 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15534 (skip_comment) ... here. Permit C++ comments in system
15535 headers always. Warn about C++ comments in user code under
15536 -std=gnu89 -pedantic.
15537 (copy_comment): Use skip_comment.
15538 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15540 (consider_directive_while_skipping, do_else, do_endif): Call
15541 validate_else unconditionally.
15542 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15543 text after the conditional in a system header.
15544 * cpplib.h (struct cpp_buffer): Add flag
15545 warned_cplusplus_comments.
15547 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15549 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15550 Use unshare_all_rtl_1.
15551 (unshare_all_rtl_again): New function.
15552 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15554 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15555 rather than resetting the 'used' flags ourself.
15557 * toplev.c (rest_of_compilation): Add current_function_decl
15558 to the unshare_all_rtl call.
15559 * tree.h: Prototype unshare_all_rtl.
15560 * rtl.h: Prototype unshare_all_rtl_again here.
15562 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15564 * genoutput.c (output_prologue): Include ggc.h in generated
15566 * Makefile.in (insn-output.o): Depends on ggc.h.
15568 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15569 Hans-Peter Nilsson <hp@bitrange.com>
15571 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15572 Remove redundant include of xm-ns32k.h.
15573 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15574 Remove redundant include of xm-ns32k.h.
15575 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15576 Remove redundant include of xm-ns32k.h.
15577 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15579 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15580 (TARGET_SWITCHES): Add documentation strings.
15581 (DWARF_FRAME_REGNUM): Override default definition.
15582 (REG_CLASS_CONTENTS): Add comments.
15583 (SUBSET_P): Format to reduce line length.
15584 (SMALL_REGISTER_CLASSES): Make a run time option.
15585 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15586 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15587 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15588 (regclass_map): fix typo in comment.
15589 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15590 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15591 (trace, reg_or_mem_operand): Delete, unused function.
15592 (calc_address_cost): Small offsets are cheaper than large ones.
15593 (expand_block_move): Generate more efficient code when bytes is a
15594 known at compile time.
15595 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15596 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15597 instead of reg_or_mem_operand.
15599 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15600 not general_operand. Similarly use "=rm" or stricter, not "=g".
15601 For input operands, use stricter constraints than "g" if not
15602 general_operand. Similarly use stricter predicate than
15603 "general_operand" when stricter constraints than "g" are present,
15604 except for matching constraints.
15605 (movstrsi): Use "memory_operand" for operands 0 and 1.
15606 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15607 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15608 not reg_or_mem_operand.
15609 (udivmoddisi4): Ditto.
15610 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15611 Use nonimmediate_operand for operand 3, not register_operand.
15612 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15613 reg_or_mem_operand.
15615 2000-01-27 Fred Fish <fnf@be.com>
15617 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15618 * gthr-single.h: Likewise.
15619 * gthr-solaris.h: Likewise.
15620 * gthr-vxworks.h: Likewise.
15621 * gthr-win32.h: Likewise.
15622 * gthr.h: Likewise.
15624 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15626 * cppinit.c: Add " (cpplib)" to end of string printed by
15629 2000-01-27 Richard Henderson <rth@cygnus.com>
15631 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15632 testing for a signed comparison.
15633 (alpha_emit_floatuns): New.
15634 * alpha-protos.h: Declare it.
15635 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15636 (extendsfdf2): Tidy.
15638 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15640 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15641 no -g option specifying debugging format, default to -gstabs+.
15643 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15645 * calls.c (special_function_p): New argument fork_or_exec.
15646 (expand_call): When profile_arc_flag is set and the function
15647 is in the fork_or_exec group, call __bb_fork_func first.
15648 * libgcc2.c, _bb module (__bb_fork_func): New function.
15649 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15651 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15652 * tree.h (special_function_p): Update prototype.
15654 2000-01-26 Richard Henderson <rth@cygnus.com>
15656 * alpha.c (alpha_split_tfmode_pair): New.
15657 * alpha-protos.h: Declare it.
15658 * alpha.md (abstf2, negtf2): New.
15659 (movtf insn): Add input G constraint.
15660 (movtf splitter): Use alpha_split_tfmode_pair.
15662 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15664 * i386/cygwin.h: PROTO -> PARAMS.
15666 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15668 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15669 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15670 using _Qp_cmp/_Q_cmp and testing the return value.
15671 (print_operand): Call reverse_condition_maybe_unordered if
15672 we are handling CCFPmode or CCFPEmode.
15673 Handle ORDERED, UN* and LTGT comparisons.
15674 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
15675 if not TARGET_HARD_QUAD.
15676 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
15677 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
15678 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
15679 Adjust gen_b* calls so that they reflect return comparison of
15680 sparc_emit_float_lib_cmp.
15682 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15684 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
15685 incoming operands array is large enough for one more operand.
15686 (alpha_emit_xfloating_arith): Likewise.
15688 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15690 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
15691 file with one line and no trailing newline.
15692 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
15693 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
15694 checking if the match is on the line.
15695 * fixinc/gnu-regex.c: Provide regerror not __regerror.
15697 2000-01-25 Richard Henderson <rth@cygnus.com>
15699 * sparc.c (output_cbranch): Fix accidental squashing of the
15700 fp branch pre-delay nop.
15702 2000-01-25 Richard Henderson <rth@cygnus.com>
15704 * tree.def (UNNE_EXPR): Remove.
15705 * c-typeck.c (build_binary_op): Don't handle it.
15706 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
15708 * rtl.def (UNNE): Remove.
15710 * jump.c (reverse_condition): Update accordingly.
15711 (swap_condition): Likewise.
15712 (comparison_dominates_p): Handle unordered comparisons.
15713 (reverse_condition_maybe_unordered): New.
15714 * rtl.h (reverse_condition_maybe_unordered): Declare.
15716 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
15717 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
15718 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
15719 * sparc.md (bltgt): New.
15721 2000-01-25 Nick Clifton <nickc@redhat.com>
15723 * emit-rtl.c (emit_insn): Only check machine class insns for
15724 improper emission of a RETURN.
15726 2000-01-25 Richard Henderson <rth@cygnus.com>
15728 * Makefile.in (flow.o): Depend on $(EXPR_H).
15729 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
15730 duplicate the structure of diddle_return_value for keeping regs live.
15732 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15734 * loop.c (current_loop_info): Delete.
15735 (consec_sets_invariant_p): Add loop argument, update callers.
15736 (get_condition_for_loop): Likewise.
15737 (count_nonfixed_reads, update_giv_derive): Likewise.
15738 (simplify_giv_expr, general_induction_var): Likewise.
15739 (consec_sets_giv, recombine_givs): Likewise.
15740 (move_movables): Delete loop_start and loop_end arguments,
15741 add loop argument, and update callers.
15742 (find_mem_givs, check_final_value): Likewise.
15743 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
15744 (loop_invariant_p): Rename from invariant_p, add loop argument, and
15746 (basic_induction_var): Add loop argument, delete loop_level argument,
15747 and update callers.
15748 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
15749 add loop argument, and update callers.
15750 (find_splittable_regs, find_splittable_givs): Likewise.
15751 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
15752 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
15753 (biv_total_increment): Delete loop_start and loop_end arguments;
15755 (precondition_loop_p): Delete loop_start and loop_info arguments;
15757 * loop.h (get_condition_for_loop): Add loop argument.
15758 (biv_total_increment): Delete loop_start and loop_end arguments.
15759 (precondition_loop_p): Delete loop_start and loop_info arguments;
15761 (final_biv_value): Delete loop_start and loop_end arguments;
15763 (final_giv_value, back_branch_in_range_p): Likewise.
15765 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15767 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
15769 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
15771 * Makefile.in (c-gperf.h) : Change the "See" pointer to
15772 point to the new "generated_files" doc.
15774 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15776 * config/fp-bit.c (_unord_f2): Fix typo.
15778 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15780 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
15781 c-typeck.c, objc/objc-act.c: Remove all references to obstack
15782 functions obsoleted by GC, such as push_obstacks_nochange,
15783 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
15784 and code which existed only to decide whether or not to call
15785 them. Remove now-unused NESTED argument from start_function;
15786 all callers changed. Do not change behavior based on ggc_p.
15787 The use of the ixp_obstack in c-iterate.c and the util_obstack
15788 in objc/objc-act.c remain; these are not obsoleted by garbage
15790 * c-tree.h: Update prototype for start_function.
15792 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
15794 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
15796 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
15799 2000-01-25 Richard Henderson <rth@cygnus.com>
15801 * sparc-protos.h (select_cc_mode): Declare.
15802 * sparc.c (select_cc_mode): New. Handle unordered compares.
15803 (output_cbranch): Always reverse via code change. Handle
15804 unordered compares. Factor tests and string updates.
15805 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
15806 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
15807 * sparc.md (bunordered, bordered): New.
15808 (bungt, bunlt, buneq, bunge, bunle): New.
15810 2000-01-25 Richard Henderson <rth@cygnus.com>
15812 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
15813 * ggc-common.c (ggc_add_rtx_varray_root): New.
15814 (ggc_mark_rtx_varray): New.
15815 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
15816 functions down below ggc_mark_foo.
15817 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
15819 2000-01-25 Richard Henderson <rth@cygnus.com>
15821 * alpha.c (secondary_reload_class): Don't allocate a secondary
15822 for integral mode memories into FLOAT_REGS. Rearrange the more
15823 complicated memory expression inward.
15825 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
15827 * inclhack.def: Fixes to play nicer with FreeBSD, and
15828 corrections to comments.
15829 (cxx_unready): Add select expression.
15830 (irix_sockaddr): Add bypass expression.
15831 (machine_ansi_h_va_list): New fix.
15832 (stdio_va_list): No need to edit _BSD_VA_LIST_.
15833 Split out addition of "#include <stdarg.h>" to...
15834 (stdio_stdarg_h): ... here.
15835 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
15836 to stdlib.h also. Do not munge _BSD_SIZE_T_.
15837 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
15839 (ultrix_ifdef): Tighten up select expression.
15841 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
15842 re_ct and max_mach to avoid use of shell. Make printed names
15843 match names in inclhack.def. Use static copyright date.
15844 Don't count c_test and test expressions as requiring regex_t
15845 slots. Add some commentary.
15846 * inclhack.tpl: Do not include the 'This script contains N
15847 fixup scripts' line if PROGRAM is defined. Use static
15850 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
15852 * dwarf2out.c: include "varray.h", not dyn-string.h.
15853 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
15854 (addr_const_to_string, addr_to_string): Lose.
15855 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
15856 (struct dw_val_struct): val_addr is now an rtx.
15857 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
15858 (used_rtx_varray): New varray.
15859 (dwarf2out_init): Initialize it.
15860 (save_rtx): New fn.
15861 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
15863 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
15864 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
15865 * Makefile.in (dwarf2out.o): Update dependencies.
15867 2000-01-24 Richard Henderson <rth@cygnus.com>
15869 * i386.c (i386_dwarf_output_addr_const): New.
15870 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
15872 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
15874 * dwarfout.c (output_mem_loc_descriptor): Likewise.
15875 * i386.c (i386_simplify_dwarf_addr): New.
15876 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
15878 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
15880 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
15881 TYPE_STUB_DECL is NULL.
15883 2000-01-24 Richard Henderson <rth@cygnus.com>
15885 * builtins.c (expand_tree_builtin): Move ...
15886 * c-common.c (expand_tree_builtin): ... here.
15888 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15890 * loop.h (LOOP_INFO): New accessor macro.
15891 * basic-block.h (struct loop): Rename field `info' to `aux'.
15892 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
15893 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
15894 * unroll.c (loop_iterations, unroll_loop): Likewise.
15896 2000-01-24 Christopher Faylor <cgf@cygnus.com>
15898 * config/i386/t-cygwin: Accomodate new winsup directory layout
15899 when searching for include files.
15901 2000-01-24 Richard Henderson <rth@cygnus.com>
15903 * rtl.def: Add unordered fp comparisions.
15904 * tree.def: Likewise.
15905 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15907 * builtins.c (expand_tree_builtin): New function.
15908 * c-typeck.c (build_function_call): Use it.
15909 (build_binary_op): Support unordered compares.
15910 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15912 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15913 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15914 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15915 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15916 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15918 (swap_condition): Handle unordered compares.
15919 (thread_jumps): Check can_reverse before reversing.
15920 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15923 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15924 setcc is present before acking for cmp_optab. Update all callers.
15925 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15926 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15927 * expr.c (expand_expr): Likewise. Support unordered compares.
15928 (do_jump, do_store_flag): Likewise.
15929 * expr.h (enum libfunc_index): Add unordered compares.
15931 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15932 (DPBIT_FUNCS): Add _unord_df.
15933 * config/fp-bit.c (_unord_f2): New.
15934 * fp-test.c (main): Try unordered compare builtins.
15936 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15937 * alpha.c (alpha_comparison_operator): Check mode properly.
15938 (alpha_swapped_comparison_operator): Likewise.
15939 (signed_comparison_operator): Likewise.
15940 (alpha_fp_comparison_operator): New.
15941 (alpha_emit_conditional_branch): Handle unordered compares.
15942 * alpha.h (PREDICATE_CODES): Update.
15943 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15944 (bunordered, bordered): New.
15946 2000-01-24 Richard Henderson <rth@cygnus.com>
15948 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15949 * alpha.md (movtf): New expander, insn, and splitter.
15951 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15953 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15956 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15958 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15959 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15960 REG_ALLOC_ORDER): Add frame pointer
15961 (FRAME_POINTER_REGNUM): Set to 20
15962 (HARD_FRAME_POINTER_REGNUM): New macro.
15963 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15964 to HARD_FRAME_POINTER.
15965 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15966 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15967 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15968 (HI_REGISTER_NAMES): Add "frame".
15969 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15970 (debug_reg): Handle FRAME_POINTER_REGNUM.
15971 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15972 GENERAL_REGS and INDEX_REGS.
15973 * i386.c (SAVED_REGS_FIRST): new macro.
15974 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15975 (ix86_decompose_address, memory_address_length): Likewise.
15976 (regclass_map): Add frame pointer.
15977 (call_insn_operand): Handle frame_pointer_rtx.
15978 (reg_no_sp_operand): Likewise.
15979 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15980 (print_operand, legitimize_pic_address): Fix formating.
15981 (ix86_compute_frame_size): Make static, update prototype, new
15982 parameters padding1, padding2, use ix86_nsaved_regs, use
15983 stack_alignment_needed.
15984 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15985 to HARD_FRAME_POINTER_REGNUM conversions.
15986 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15987 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15988 (print_reg): Abort on FRAME_POINTER_REGNUM
15990 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15992 * i386.h (PREDICATE_CODES): Add aligned_operand.
15993 * i386.c (aligned_operand): New function.
15994 (ix86_aligned_p): Kill.
15995 * i386.md (movhi_1): Emit mov for aligned operands.
15996 (promoting peep2s): Use aligned_operand.
15998 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16000 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16001 expression to allow underscores in macro names.
16002 (fix_char_macro_defines): Increment scanning pointer.
16004 2000-01-23 Richard Henderson <rth@cygnus.com>
16006 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16007 * alpha/osf5.h: New file.
16008 * configure.in (alpha-*-osf5): Add it to tm_file.
16010 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16012 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16013 (alpha_emit_xfloating_cvt, function_arg): Declare.
16014 * alpha.c (alpha_emit_conditional_branch): Call
16015 alpha_emit_xfloating_compare for TFmode compares.
16016 (alpha_lookup_xfloating_lib_func): New.
16017 (alpha_compute_xfloating_mode_arg): New.
16018 (alpha_emit_xfloating_libcall): New.
16019 (alpha_emit_xfloating_arith): New.
16020 (alpha_emit_xfloating_compare): New.
16021 (alpha_emit_xfloating_cvt): New.
16022 (print_operand): Add default abort case.
16023 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16024 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16025 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16026 (RETURN_IN_MEMORY): True for TF/TCmode.
16027 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16028 (FUNCTION_ARG): Move to function_arg.
16029 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16030 (ASM_OUTPUT_LONG_DOUBLE): New.
16031 (ASM_OUTPUT_DOUBLE): Always output bits.
16032 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16033 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16034 (extenddftf2, trunctfdf2): New.
16036 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16038 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16039 * config/sparc/sol2.h: ... here.
16041 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16043 * basic-block.h (struct loops): New field `levels'.
16044 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16045 (flow_loop_level_compute): Initialise level to 1.
16046 (flow_loops_find): Set loops->levels.
16047 (flow_loops_dump): Print loops->levels.
16049 2000-01-23 Richard Henderson <rth@cygnus.com>
16051 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16052 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16054 2000-01-23 Richard Henderson <rth@cygnus.com>
16056 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16057 * i386.h (DBX_REGISTER_NUMBER): Use them.
16058 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16059 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16060 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16061 * i386/sequent.h: Kill incorrect comment.
16063 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16065 * ggc-page.c (struct page_entry): Make `context_depth' an
16067 (struct globals): Likewise.
16069 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16071 * loop.c (check_dbra_loop): When checking a loop for
16072 reversability, check the source of any stores to ensure
16073 they don't depend on an initial value.
16075 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16077 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16079 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16081 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16082 'pz_scan' into scope of entire function. Only affects
16083 compiles with -DDEBUG.
16085 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16087 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16088 section naming to that prior to 2000-01-07 patch.
16089 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16090 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16091 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16092 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16093 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16095 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16097 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16100 2000-01-21 Jim Wilson <wilson@cygnus.com>
16102 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16103 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16105 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16107 * cpphash.c (change_newlines): Delete function.
16108 (struct argdata): Delete 'newlines' and 'use_count' fields.
16109 (macroexpand): Remove code referencing those fields.
16111 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16113 * loop.c (loops_info): New variable.
16114 (loop_optimize): Allocate loops->array and free it on exit.
16115 Allocate memory for loops_info and assign to each loop,
16117 (find_and_verify_loops): Do not allocate loops->array.
16119 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16121 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16123 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16125 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16126 pseudos if expanded after first flow.
16127 (movdi_pic_label_ref): Likewise.
16129 2000-01-20 Richard Henderson <rth@cygnus.com>
16131 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16133 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16135 * Makefile.in (fixinc.sh): Depend on specs.
16136 * fixinc/Makefile.in: Add rule to create machname.h.
16137 (fixlib.o): Depend on machname.h.
16138 * fixinc/fixtests.c (machine_name): New test.
16139 * fixinc/fixfixes.c (machine_name): New fix.
16140 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16141 the machine_name test and fix.
16142 * fixinc/fixlib.h: Prototype it.
16143 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16144 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16146 * gcc.c (do_spec_1) [case P]: Take care not to create
16147 identifiers with three leading or trailing underscores.
16149 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16150 (fixincl): Don't specify libraries twice on link line.
16151 (gnu-regex.o): Remove special rule.
16152 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16153 defined by config.h. Do not define _REGEX_RE_COMP.
16154 (regcomp): Allocate and initialize a fastmap.
16155 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16157 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16159 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16161 2000-01-19 Richard Henderson <rth@cygnus.com>
16163 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16164 arguments with BB. Update all callers. Tidy line wrapping.
16166 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16168 * emit-rtl.c (try_split): Return last_insn if we split the
16171 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16173 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16174 (ix86_initial_elimination_offset): Declare.
16175 * i386.c (ix86_nsaved_regs): Break out from ...
16176 (ix86_can_use_return_insn_p): ... here.
16177 (ix86_emit_save_regs): Break out from ...
16178 (ix86_expand_prologue): ... here.
16179 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16181 (ix86_expand_epilogue): ... here.
16182 (ix86_compute_frame_size): Make static, add prototype.
16183 (ix86_initial_elimination_offset): Break out from ...
16184 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16186 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16188 * recog.h (OUT_FCN): Delete.
16190 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16192 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16194 * cppalloc.c: PROTO -> PARAMS.
16195 * cpperror.c: Likewise.
16196 * cppfiles.c: Likewise.
16197 * cpplib.c: Likewise.
16198 * cpplib.h: Likewise.
16200 * config/arm/arm-protos.h: PROTO -> PARAMS.
16201 * config/arm/arm.c: Likewise.
16202 * config/c4x/c4x.c: Likewise.
16203 * config/fr30/fr30-protos.h: Likewise.
16204 * config/nextstep.c: Likewise.
16205 * config/pa/pa.c: Likewise.
16206 * config/pj/pj.c: Likewise.
16207 * config/rs6000/rs6000.c: Likewise.
16208 * config/v850/v850-protos.h: Likewise.
16209 * config/v850/v850.c: Likewise.
16211 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16213 * i370-protos.h: New file.
16215 * i370.c: Include tm_p.h. Fix compile time warnings.
16217 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16220 * i370.md: Likewise.
16222 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16224 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16225 (target_isinf, target_isnan, eisnan): Mark parameter with
16227 (eiisinf): Wrap in INFINITY.
16228 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16229 (ibmtoe): Remove unused variable `rndsav'.
16231 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16233 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16234 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16236 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16238 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16239 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16240 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16242 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16243 Recognize Emacs mode markers also.
16244 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16245 C++ comments in C++ headers. Call is_cxx_header only if
16248 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16249 bypass for ncurses.
16250 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16251 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16252 ... these, which use the new C fixes.
16253 (math_exception): Escape literal '+' in bypass expression.
16255 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16258 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16260 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16263 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16265 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16266 prior to calling scan_loop.
16268 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16270 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16271 (split_branches, calc_live_regs): Likewise.
16273 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16275 * sh.md (fpu_single, fp_mode): New attributes.
16277 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16279 * loop.c (current_loop_info): Renamed from loop_info_data
16280 and changed to a pointer.
16281 (loop_optimize): Allocate loop_info structure for each loop
16282 and initialise to zero.
16283 (scan_loop): Set current_loop_info.
16285 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16288 2000-01-19 Richard Henderson <rth@cygnus.com>
16290 * stupid.c: Die die die.
16291 * Makefile.in (OBJS): Remove stupid.o.
16292 (stupid.o): Likewise.
16294 * except.c (emit_eh_context): Don't emit USEs for stupid.
16295 * explow.c (probe_stack_range): Likewise.
16296 * flags.h (obey_regdecls): Remove.
16297 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16298 when not optimizing.
16299 (life_analysis): Limit data collection when not optimizing.
16300 (mark_regs_live_at_end): Always mark the return value registers.
16301 (mark_used_regs): Remove dummy RETURN case.
16302 (print_rtl_with_bb): Don't consult obey_regdecls.
16303 * function.c (use_variable, use_variable_after): Remove.
16304 (assign_parms): Consult optimize not obey_regdecls.
16305 (expand_function_start): Don't emit USEs for stupid.
16306 (expand_function_end): Likewise.
16307 * global.c (build_insn_chain): Export.
16308 * integrate.c (expand_inline_function): Kill return-value USE
16310 * jump.c (jump_optimize_1): Do simple jump optimizations and
16311 dead code elimination.
16312 (calculate_can_reach_end): Remove check_deleted argument.
16313 (delete_insn): Patch out insns even when not optimizing.
16314 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16315 * rtl.h (use_variable, use_variable_after): Remove declarations.
16316 (build_insn_chain): Declare.
16317 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16318 (expand_end_bindings): Likewise.
16319 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16320 * toplev.c (obey_regdecls): Remove.
16321 (rest_of_compilation): Don't set it. Kill stupid in favour of
16322 flow1, local-alloc, and reload.
16323 (main): Don't set obey_regdecls.
16325 * config/nextstep.c (handle_pragma): Likewise.
16327 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16329 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16331 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16333 * alpha-protos.h: PROTO -> PARAMS.
16334 * alpha.c: Likewise.
16336 * h8300.c: Likewise.
16337 * i386-protos.h: Likewise.
16338 * i386.c: Likewise.
16339 * m32r-protos.h: Likewise.
16340 * m32r.c: Likewise.
16341 * mips.c: Likewise.
16342 * mips.md: Likewise.
16343 * gmon-sol2.c: Likewise.
16344 * sparc.c: Likewise.
16346 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16348 * ns32k-protos.h: New file.
16350 * ns32k.c: Fix compile time warnings.
16352 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16355 * ns32k.md: Likewise.
16357 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16359 * vax-protos.h: New file.
16361 * vax.c: Fix compile time warnings.
16363 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16366 * vax.md: Likewise.
16368 * vaxv.md: Likewise.
16370 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16372 * romp-protos.h: New file.
16374 * romp.c: Fix compile time warnings.
16376 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16379 * romp.md: Likewise.
16381 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16383 * we32k-protos.h: New file.
16385 * we32k.c: Fix compile time warnings.
16387 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16390 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16392 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16394 * except.c (eh_regs): Likewise.
16396 * final.c (output_operand): Likewise.
16398 * fold-const.c (target_isinf, target_isnan): Likewise.
16400 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16402 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16403 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16405 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16406 when optimize_size.
16407 (clrstrsi): Rewrite.
16408 (strsethi, strsetqi): New expanders.
16409 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16410 (cmpstrsi): Emit compare insn before cmpstrsi_1
16411 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16412 (strlensi_1): Likewise.
16413 (cmpstrsi_1): Likewise; do not output compare.
16414 (strlen expander): Do not unroll when optimizing for size.
16415 (*subsi3_carry): Rename to subsi3_carry
16416 (addqi3_cc): New pattern.
16417 * i386.h (processor_costs): Add move_ratio field.
16418 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16419 * i386.c (*_cost): Set move_ratio.
16420 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16421 (x86_expand_strlensi_1): Rewrite the main loop.
16423 2000-01-17 Richard Henderson <rth@cygnus.com>
16425 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16426 * cse.c (find_comparison_args, fold_rtx): Likewise.
16427 * integrate.c (subst_constants): Likewise.
16428 * loop.c (get_condition): Likewise.
16430 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16432 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16434 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16436 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16437 (RESTORE_WARN_FLAGS): Unpack it.
16438 Change semantic type of extension to ttype.
16439 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16440 * c-parse.y, c-parse.c, objc/objc-parse.y,
16441 objc/objc-parse.c: Regenerate.
16443 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16445 * fixinc/fixlib.c: Add copyright notice.
16446 (compile_re): New function.
16447 * fixinc/fixlib.h: Prototype compile_re.
16449 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16450 Use compile_re to compile regular expressions.
16452 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16453 where the pattern matched.
16455 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16457 (ultrix_ansi_compat): Likewise.
16458 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16460 (interactv_add2, interactv_add3): Delete.
16461 (x11_sprintf): Don't use filename glob.
16462 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16465 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16467 * print-rtl.c: PROTO -> PARAMS.
16468 * real.c: Likewise.
16469 * reg-stack.c: Likewise.
16470 * resource.c: Likewise.
16471 * sdbout.h: Likewise.
16472 * simplify-rtx.c: Likewise.
16473 * stor-layout.c: Likewise.
16474 * stupid.c: Likewise.
16475 * xcoffout.c: Likewise.
16476 * xcoffout.h: Likewise.
16478 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16480 * toplev.c: PROTO -> PARAMS.
16481 * toplev.h: Likewise.
16482 * tree.c: Likewise.
16483 * tree.h: Likewise.
16484 * unroll.c: Likewise.
16485 * varasm.c: Likewise.
16486 * varray.c: Likewise.
16487 * varray.h: Likewise.
16489 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16491 * reload.c: PROTO -> PARAMS.
16492 * reload.h: Likewise.
16493 * reload1.c: Likewise.
16494 * reorg.c: Likewise.
16495 * resource.h: Likewise.
16498 * rtlanal.c: Likewise.
16499 * sbitmap.h: Likewise.
16500 * sdbout.c: Likewise.
16501 * stack.h: Likewise.
16502 * stmt.c: Likewise.
16503 * system.h: Likewise.
16505 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16507 * machmode.h: PROTO -> PARAMS.
16508 * mbchar.h: Likewise.
16509 * mips-tdump.c: Likewise.
16510 * mips-tfile.c: Likewise.
16511 * optabs.c: Likewise.
16512 * output.h: Likewise.
16513 * prefix.c: Likewise.
16514 * profile.c: Likewise.
16515 * protoize.c: Likewise.
16516 * real.h: Likewise.
16517 * recog.c: Likewise.
16518 * recog.h: Likewise.
16519 * regclass.c: Likewise.
16520 * regmove.c: Likewise.
16521 * regs.h: Likewise.
16523 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16525 * ggc-common.c: PROTO -> PARAMS.
16526 * ggc-page.c: Likewise.
16527 * ggc-simple.c: Likewise.
16529 * global.c: Likewise.
16530 * graph.c: Likewise.
16531 * gthr-win32.h: Likewise.
16532 * haifa-sched.c: Likewise.
16533 * halfpic.h: Likewise.
16534 * integrate.c: Likewise.
16535 * integrate.h: Likewise.
16536 * jump.c: Likewise.
16538 * local-alloc.c: Likewise.
16539 * loop.c: Likewise.
16540 * loop.h: Likewise.
16542 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16544 * genattr.c: PROTO -> PARAMS.
16545 * genattrtab.c: Likewise.
16546 * gencheck.c: Likewise.
16547 * gencodes.c: Likewise.
16548 * genconfig.c: Likewise.
16549 * genemit.c: Likewise.
16550 * genextract.c: Likewise.
16551 * genflags.c: Likewise.
16552 * gengenrtl.c: Likewise.
16553 * genopinit.c: Likewise.
16554 * genoutput.c: Likewise.
16555 * genpeep.c: Likewise.
16556 * genrecog.c: Likewise.
16558 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16560 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16562 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16564 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16565 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16566 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16567 * configure, config.in: Rebuilt.
16569 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16571 * config/i386/i386.md: Add peephole to merge successive stack
16574 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16576 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16577 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16578 when walking backwards to find all the parameter loads when
16579 the basic block ends in a call.
16581 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16583 * loop.c (this_loop_info): Delete.
16584 (uid_loop): Add in place of uid_loop_num. All uses updated.
16585 (loop_number_exit_count): Delete and replace with entry in loop
16586 structure. All uses updated.
16587 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16588 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16589 (loop_outer_loop): Likewise.
16590 (loop_invalid, loop_number_exit_labels): Likewise.
16591 (loop_used_count_register): Delete and replace with entry in
16592 loop_info structure.
16593 (find_and_verify_loops): Add loops argument.
16594 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16595 loop_end, etc. arguments with loop structure pointer. All callers
16597 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16598 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16599 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16600 (insert_bct): Likewise.
16601 (basic_induction_var): New argument level.
16602 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16603 vtop, and cont. Add used_count_register.
16604 (uid_loop): Delete declaration.
16605 (loop_number_exit_count): Likewise.
16606 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16607 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16608 (loop_outer_loop, loop_used_count_register): Likewise.
16609 (loop_invalid, loop_number_exit_labels): Likewise.
16610 (unroll_loop): Replace loop_start and loop_end arguments
16611 with loop structure pointer.
16612 (loop_precondition_p, loop_iterations): Likewise.
16613 Include basic-block.h.
16614 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16615 with loop structure pointer.
16616 (loop_precondition_p, loop_iterations): Likewise.
16617 * basic-block.h (struct loop): New entries vtop, cont,
16618 cont_dominator, start, end, top, scan_start, exit_labels,
16620 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16622 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16624 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16626 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16628 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16630 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16632 * pdp11-protos.h: New file.
16634 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16637 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16640 * pdp11.md: Likewise.
16642 * 2bsd.h: Likewise.
16644 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16646 * mn10300-protos.h: New file.
16648 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16651 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16654 * mn10300.md: Likewise.
16656 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16658 * mn10200-protos.h: New file.
16660 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16663 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16666 * mn10200.md: Likewise.
16668 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16670 * h8300-protos.h: New file.
16672 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
16675 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
16678 * h8300.md: Likewise.
16680 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16682 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
16683 (asm_emit_uninitialised): Likewise.
16685 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
16687 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
16688 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
16690 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16692 * config/mips/mips.c (override_options): Don't turn on extra
16693 alignment for mips16.
16695 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16697 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
16698 eabi, and make sure queued POSTINCREMENT rtl is emitted at
16701 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16703 * builtins.c (PAD_VARARGS_DOWN): Define.
16704 (std_expand_builtin_va_arg): Use the above macro.
16705 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
16706 * tm.texi (Register Arguments): Document the above macro.
16708 2000-01-14 Nick Clifton <nickc@cygnus.com>
16710 * emit-rtl.c (emit_insn): If checking is enabled, make sure
16711 that this function has not been used to emit a jump
16714 * jump.c (return_jump_1): Cope with being passed a null rtx.
16716 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16718 * eh-common.h: PROTO -> PARAMS.
16719 * emit-rtl.c: Likewise.
16720 * errors.c: Likewise.
16721 * errors.h: Likewise.
16722 * except.c: Likewise.
16723 * except.h: Likewise.
16724 * explow.c: Likewise.
16725 * expmed.c: Likewise.
16726 * expr.c: Likewise.
16727 * expr.h: Likewise.
16728 * final.c: Likewise.
16729 * fix-header.c: Likewise.
16730 * flow.c: Likewise.
16731 * fold-const.c: Likewise.
16732 * function.c: Likewise.
16733 * function.h: Likewise.
16735 * gcov-io.h: Likewise.
16736 * gcov.c: Likewise.
16737 * gcse.c: Likewise.
16739 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16741 * sh-protos.h: New file.
16743 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
16744 Add static prototypes. Fix compile time warnings.
16746 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
16750 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16752 * arc-protos.h: New file.
16754 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
16757 * arc.h: Move prototypes to arc-protos.h. Fix compile time
16760 * arc.md: Likewise.
16762 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16764 * dsp16xx-protos.h: New file.
16766 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
16769 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
16772 * dsp16xx.md: Likewise.
16774 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16776 * convex-protos.h: New file.
16778 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
16781 * convex.h: Move prototypes to convex-protos.h. Fix compile time
16784 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16786 * elxsi-protos.h: New file.
16788 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
16791 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
16794 * elxsi.md: Likewise.
16796 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
16798 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
16799 case for moving from HI/LO/HI_LO_REG. This makes the behavior
16800 match the comment for MIPS16.
16802 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
16804 * flow.c (split_edge): Do not call set_block_for_insn if we
16805 do not have a basic_block_for_insn structure.
16807 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
16808 and destination functions are 32bit aligned within the trampoline.
16809 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
16810 (TRAMPOLINE_ALIGNMENT): Define.
16812 * cse.c (cse_insn): When changing (set (pc) (reg)) to
16813 (set (pc) (label_ref)), verify the change creates a valid insn.
16815 * fr30.c (call_operand): Tighten and rework to match rules for
16816 call RTL expressions.
16817 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
16818 * fr30.md (call patterns): Improve constraints.
16820 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
16822 * fr30.c (fr30_expand_epilogue): Revert last change.
16823 Use emit_jump_insn for the return insn.
16825 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
16826 Stan Cox <scox@cygnus.com>
16828 * predict.c: New file. Preliminary infrastructure work for static
16829 branch prediction and basic block reordering.
16830 * basic-block.h: Add prototype for estimate_probability.
16831 * Makefile.in: Add rules for predict.o.
16833 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
16835 * fixincludes (va_list): Use __not_va_list__ for the dummy.
16836 * fixinc/*: Likewise.
16838 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16840 * cccp.c: PROTO -> PARAMS.
16841 * cexp.y: Likewise.
16842 * collect2.c: Likewise.
16843 * combine.c: Likewise.
16844 * convert.h: Likewise.
16846 * dbxout.c: Likewise.
16847 * dbxout.h: Likewise.
16848 * diagnostic.c: Likewise.
16849 * doprint.c: Likewise.
16850 * dwarf2out.c: Likewise.
16851 * dwarf2out.h: Likewise.
16852 * dwarfout.c: Likewise.
16853 * dwarfout.h: Likewise.
16854 * dyn-string.h: Likewise.
16856 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16858 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
16859 macro conditionals guarding use.
16861 * dwarf2out.c: Include "tm_p.h".
16863 * function.c (locate_and_pad_parm): Mark parameter with
16865 (expand_function_end): Likewise for variable `context'.
16867 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
16869 2000-01-13 Nick Clifton <nickc@cygnus.com>
16871 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
16872 register to prevent compile time warnings.
16874 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
16876 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
16877 to avoid -Wtraditional warning.
16879 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16881 * 1750a-protos.h: New file.
16883 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
16886 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
16889 * 1750a.md: Likewise.
16891 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16893 * a29k-protos.h: New file.
16895 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
16898 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
16901 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16903 * clipper-protos.h: New file.
16905 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16908 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16911 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16913 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16915 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16917 * configure.in (--enable-new-gxx-abi): New option.
16918 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16919 * Makefile.in (GXX_ABI_FLAG): New variable.
16920 * configure: Regenerate.
16922 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16924 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16925 * tm.texi (FORCE_STRUCT_BLK): Document.
16926 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16928 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16930 * config/ns32k/ns32k.md: Revert Jan 9 change.
16932 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16933 to a mode-test, if the predicate is address_operand.
16935 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16937 * combine.c (if_then_else_cond): Be careful about what kinds
16938 of RTL expressions are passed to operand_subword.
16940 * flow.c (split_edge): If we have to insert a new jump, make
16941 sure to associate it with a basic block.
16943 * flow.c (commit_one_edge_insertion): A block with one successor
16944 can end in a JUMP_INSN that is not a simplejump.
16946 2000-01-12 Robert Lipe <robertl@sco.com>
16948 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16949 (BUILD_VA_LIST_TYPE): Define.
16950 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16953 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16955 * cccp.c (do_pragma): Add cast to (char *).
16957 2000-01-12 Richard Henderson <rth@cygnus.com>
16958 Fred Fish <fnf@be.com>
16959 Jason Merrill <jason@cygnus.com>
16961 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16962 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16963 * i386/beos-elf.h, i386/beos-pe.h: New files.
16965 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16966 * cross-make (SYSTEM_HEADER_DIR): Define using
16967 CROSS_SYSTEM_HEADER_DIR.
16969 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16970 (process_command): Use it.
16971 (main): Likewise. Kill trailing = from env vars.
16972 (build_search_list): Put it back.
16973 * collect2.c (main): Use LIBRARY_PATH_ENV.
16975 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16976 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16978 * tm.texi (Frame Layout): Document SMALL_STACK.
16979 * c-common.c (c_common_nodes_and_builtins): Check it.
16981 * system.h: Undef alloca after including glibc's <stdlib.h>,
16982 if USE_C_ALLOCA is defined.
16984 * gcc.c (set_input): New fn.
16985 (main): After all input files are compiled, reset the input file
16988 * aclocal.m4 (rindex, index): If already defined, don't attempt
16991 * ginclude/varargs.h: (__va_list__): Define ifndef.
16992 * ginclude/stdarg.h: Likewise.
16994 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16995 instead of unsigned char.
16997 * hash.h (true, false, boolean): Undef before enum.
16999 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17000 proper type of "HOST_WIDE_INT *", rather than their natural type of
17001 "unsigned HOST_WIDE_INT *".
17003 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17005 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17007 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17009 * regclass.c (choose_hard_reg_mode): Likewise.
17011 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17013 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17015 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17017 * c-common.c: PROTO -> PARAMS.
17018 * c-common.h: Likewise.
17019 * c-decl.c: Likewise.
17020 * c-iterate.c: Likewise.
17021 * c-lang.c: Likewise.
17022 * c-lex.c: Likewise.
17023 * c-lex.h: Likewise.
17024 * c-parse.in: Likewise.
17025 * c-pragma.c: Likewise.
17026 * c-pragma.h: Likewise.
17027 * c-tree.h: Likewise.
17028 * c-typeck.c: Likewise.
17029 * objc/objc-act.c: Likewise.
17030 * objc/objc-act.h: Likewise.
17032 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17034 * m88k-protos.h: New file.
17036 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17039 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17041 * m88k.md: Likewise.
17043 * tekXD88.h: Likewise.
17045 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17047 * m68k-protos.h: New file.
17049 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17052 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17054 * mot3300.h: Likewise.
17056 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17058 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17060 (extract_bitlist): Declare bitlen.
17062 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17064 * cccp.c: Accept and ignore -lang-fortran.
17066 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17067 qualifiers don't match at any level of pointerness.
17069 2000-01-12 Robert Lipe <robertl@sco.com>
17071 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17073 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17075 * reload1.c (reload_reg_unavailable): New static variable.
17076 (reload_reg_free_p): Test it.
17077 (reload_reg_free_for_value_p): Test it instead of
17079 (choose_reload_regs_init): Compute it.
17081 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17083 * reorg.c (fill_slots_from_thread): Check modified_in_p
17086 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17088 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17089 these nodes even if INTERNALS is not set.
17091 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17093 * gcse.c (delete_null_pointer_checks_1): Cope when
17094 get_condition cannot determine the condition.
17096 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17098 * toplev.h (set_message_length): Declare.
17100 * diagnostic.c (obstack_chunk_alloc): Define macro.
17101 (obstack_chunk_free): Likewise.
17102 (struct output_buffer): New data structure.
17103 (vmessage): Remove.
17104 (output_maximum_width): New variable.
17105 (doing_line_wrapping, set_message_length, init_output_buffer,
17106 get_output_prefix, output_space_left, emit_output_prefix,
17107 output_newline, output_append, output_puts, dump_output,
17108 vbuild_message_string, build_message_string, build_location_prefix,
17109 voutput_notice, output_printf, line_wrapper_printf,
17110 vline_wrapper_message_with_location): New functions. Implement
17111 automatic line wrapping.
17112 (v_message_with_decl): Make it handle automatic line wrapping.
17113 (v_error_with_file_and_line): Likewise.
17114 (v_warning_with_file_and_line): Likewise.
17115 (announce_function): Likewise.
17116 (default_print_error_function): Likewise.
17118 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17120 * cpplib.h (struct cpp_options): Change lang_asm to char.
17122 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17123 done in cpp_handle_option now.
17124 (initialize_builtins): Take out special case code used only by
17126 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17127 if -traditional. Recognize -lang-fortran and set
17128 lang_fortran, also turn off cplusplus_comments.
17129 (print_help): Document -lang-fortran.
17130 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17131 lang_asm. Ignore all directives other than `# 123 "file"' if
17133 (cpp_get_token): If -traditional, don't recognize directives
17134 unless the # is in column 1.
17135 (parse_string): If lang_fortran or lang_asm, silently
17136 terminate strings ('' or "") at end of line.
17137 Remove unnecessary braces.
17139 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17140 Richard Henderson <rth@cygnus.com>
17142 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17144 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17145 strict_low_part when possible.
17147 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17149 * alias.c: PROTO -> PARAMS.
17150 * basic-block.h: Likewise.
17151 * bitmap.c: Likewise.
17152 * bitmap.h: Likewise.
17153 * builtins.c: Likewise.
17154 * c-aux-info.c: Likewise.
17155 * caller-save.c: Likewise.
17156 * calls.c: Likewise.
17158 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17160 * Makefile.in (toplev.o): Depend on regs.h.
17162 * output.h (tdesc_section): Prototype.
17164 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17166 * sdbout.c: Include "tm_p.h".
17168 * toplev.c: Include "regs.h".
17170 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17172 * unroll.c (unroll_loop): Add EH support.
17174 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17176 * pa-protos.h: New file.
17178 * pa.c: Include recog.h and tm_p.h.
17179 (compute_zdepwi_operands, compute_movstrsi_length,
17180 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17181 find_addr_reg, import_milli): Add static prototypes.
17182 (pa_cpu_string, pa_arch_string): Constify a char*.
17183 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17184 (read_only_operand): Add argument `mode'.
17185 (singlemove_string, output_move_double, output_fp_move_double,
17186 output_block_move, output_and, output_ior, output_ascii,
17187 remove_useless_addtr_insns, milli_names, output_mul_insn,
17188 output_div_insn, output_mod_insn, output_arg_descriptor,
17189 output_cbranch, output_bb, output_bvb, output_dbra, ,
17190 output_millicode_call, output_call, hppa_encode_label,
17191 output_parallel_movb, output_parallel_addb): Constify a char*.
17192 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17193 (output_parallel_addb): Remove extra arg to `constrain_operands'
17195 * pa.h: Move all prototypes to pa-protos.h.
17196 (pa_cpu_string, pa_arch_string): Constify a char*.
17197 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17199 * pa.md: Call `function_label_operand' with mode argument.
17200 Likewise for `read_only_operand'.
17201 Fix nesting of parens in call to `symbolic_operand'.
17203 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17205 * i860-protos.h: New file.
17207 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17210 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17212 * i860.md: Likewise.
17214 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17216 * i386.md (movstrsi expander): Rewrite.
17217 (movstrsi_1 insn): Deleted.
17218 (strmovhi, strmovqi expander): New expanders.
17219 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17220 * i386.c (x86_single_stringop): New global variable.
17221 * i386.h (x86_single_stringop): Declare.
17222 (TARGET_SINGLE_STRINGOP): New macro.
17224 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17226 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17227 integer vararg POSTINCREMENT before the destination of the jump
17228 for the hard fp case.
17229 (function_arg_pass_by_reference): Pass a copy of CUM to
17232 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17233 for CONSTANT_ADDRESS_P above while loop for subreg.
17235 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17237 * flow.c (propagate_block): When a prologue/epilogue insn
17238 is marked dead, unconditionally clear libcall_is_dead and
17239 insn_is_dead, and only dump rtl if warnings aren't being
17242 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17244 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17245 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17246 (FIXED_REGISTERS): Set dirflag as fixed.
17247 (CALL_USED_REGISTERS): Set dirflag as used.
17248 (REG_ALLOC_ORDER): Set dirflag as last one.
17249 (DIRFLAG_REG): New macro.
17250 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17251 (HI_REGISTER_NAMES): Add dirflag.
17252 (DEBUF_PRINT_REG): Handle dirflag.
17253 * i386.md (type attribute): New cld and str types.
17254 (length_opcode attribute): Set cld and str to 1.
17255 (memory attribute): Set str to unknown - it is not clear from the
17257 (pent_np function unit): Prefixed string operations takes 12 cycles
17258 minimally; cld takes 2 cycles.
17259 (ppro_uops attribute): Str is "many" and cld is "few".
17260 (ppro_p0 unit): Handle cld here.
17261 (k6_alux unit): Handle cld and str types.
17262 (k6_load unit): It is ocupied by str opcodes.
17263 (k6_store unit): It is ocupied by str opcodes.
17264 (athlon_decode): Str is vector decoded.
17265 (athlon_ieu): Handle str and cld.
17266 (cld pattern): New.
17267 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17268 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17269 cmpstrsi_nz_1 insn): Do not output cld instruction
17271 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17273 * gcc.texi (G++ and GCC): Add Java and Chill.
17274 (Bug Critera): Don't list languages.
17276 * gcc.texi (Incompatibilities): No longer claim most C compilers
17279 * gcc.texi (G++ and GCC): Update other front-ends list.
17281 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17283 * i386.c (ix86_expand_setcc): Fix typo.
17284 (ix86_expand_movcc): Similarly.
17286 * Band-aid until haifa's bitset implementation is nuked.
17287 * haifa-sched.c (extract_bitlst): New parameter for size of the
17288 bitset in bits. All callers changed. Avoid looking at undefined
17289 bits in the bitset.
17290 (edgeset_bitsize): New variable.
17291 (schedule_region): Initialize edgeset_bitsize.
17293 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17295 * Makefile.in (optabs.o): Depend on real.h
17296 (resource.o): Depend on insn-attr.h
17298 * builtins.c (result_vector): Wrap prototype in macro conditions
17299 governing definition and use.
17301 * c-common.c: Include tm_p.h.
17303 * c-lex.c: Likewise.
17305 * elfos.h: Constify a char*.
17307 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17308 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17309 parameter with ATTRIBUTE_UNUSED.
17311 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17314 * haifa-sched.c (schedule_insns): Mark parameter with
17317 * optabs.c: Include real.h.
17319 * real.h (ereal_atof): Add prototype arguments.
17321 * resource.c: Include insn-attr.h.
17323 * sdbout.c (sdbout_queue_anonymous_type,
17324 sdbout_dequeue_anonymous_types): Wrap in macro
17325 SDB_ALLOW_FORWARD_REFERENCES.
17326 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17329 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17331 * stupid.c: Include tm_p.h.
17333 * tree.c (real_value_from_int_cst): Mark parameter with
17336 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17338 * i960-protos.h: New file.
17340 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17343 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17345 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17347 * combine.c (expand_field_assignment): Do not discard SUBREGs
17348 while computing nonzero_bits.
17350 2000-01-09 Nick Clifton <nickc@cygnus.com>
17352 * config/arm/arm.c: Fix compile time warnings about signed vs
17353 unsigned constants.
17354 * config/arm/arm.h: Fix compile time warnings about signed vs
17355 unsigned constants.
17357 2000-01-09 Philip Blundell <philb@gnu.org>
17359 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17360 than `ldm' with only one register.
17361 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17364 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17367 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17369 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17372 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17374 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17375 assignment used as truth value.
17377 * function.c (assign_temp): Mark parameter `dont_promote' with
17378 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17379 PROMOTE_FOR_CALL_ONLY.
17381 * genrecog.c (write_subroutine): Mark variable `operands' with
17384 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17387 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17388 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17390 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17393 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17395 * config/c4x.h: Tidy up comments.
17396 * config/c4x.c: Likewise.
17398 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17400 * fold-const.c (lshift_double, rshift_double): Handle
17401 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17403 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17405 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17406 in prepare_function_start().
17408 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17410 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17411 longer allocate extra stack for function calls.
17413 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17415 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17417 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17419 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17421 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17423 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17424 * aix43.h: Revert Aug 2 change.
17425 (HAS_INIT_SECTION): Define, not visible yet.
17426 (LD_INIT_SWITCH): Define, not visible yet.
17427 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17429 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17431 * collect2.c (main): Expand ld2 size further.
17432 (export_object_lst): Cast assignment to avoid warning.
17433 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17434 (scan_prog_file, COFF): Do not collect initialization or
17435 finalization functions generated for entire shared object if
17436 init/fini support present.
17438 2000-01-07 Nick Clifton <nickc@cygnus.com>
17440 * config/elfos.h: Tidy up formatting of marcos. Make sure
17441 that .section directives are always prefixed by a tab.
17443 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17446 2000-01-07 Matt Austern <austern@sgi.com>
17448 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17451 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17453 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17455 (crtbegin.o, s-crtS): Likewise.
17457 2000-01-06 Richard Henderson <rth@cygnus.com>
17459 * alpha.md (adddi_2+1): Limit offset such that it will be
17460 loadable with a single ldah+lda pair.
17461 (adddi_2+2): Explicitly fail split if we can't make it work.
17463 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17465 * protoize.c: Conditionally include unistd.h.
17466 (IS_SAME_PATH_CHAR): New macro.
17467 (IS_SAME_PATH): New macro.
17468 (CPLUS_FILE_SUFFIX): New macro.
17469 (cplus_suffix): New static variable.
17470 (is_abspath): New static function.
17471 (in_system_include_dir): Handle DOS style pathnames.
17472 (file_could_be_converted): Likewise.
17473 (file_normally_convertible): Likewise.
17474 (directory_specified_p): Likewise.
17475 (file_excluded_p): Likewise.
17476 (abspath): Likewise.
17477 (shortpath): Likewise.
17478 (referenced_file_is_newer): Likewise.
17479 (save_def_or_dec): Likewise.
17480 (do_processing): Likewise.
17482 (edit_file): Likewise. Use rename instead of link.
17483 (rename_c_file): Likewise. Don't rename syscalls file.
17484 (munge_compile_params): Define null device for DOS based systems.
17485 (process_aux_info_file): Use binary mode if appliable.
17486 (edit_file): Likewise.
17487 * invoke.texi (Running Protoize): Document C++ suffixes used.
17489 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17490 IS_DIR_SEPARATOR macros.
17491 * collect2.c: Likewise.
17492 * cppinit.c: Likewise.
17493 * dwarf2out.c: Likewise.
17495 * gcov.c: Likewise.
17496 * prefix.c: Likewise.
17498 * toplev.c: Likewise.
17499 * system.h: And move to here.
17501 * prefix.c (update_path): Fix typo in variable name.
17503 2000-01-06 Richard Henderson <rth@cygnus.com>
17505 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17506 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17507 (count_reg_sets_1, count_reg_references): Likewise.
17508 (flow_loops_level_compute): Start counting actual loop depth at 1.
17509 (flow_loops_find): Likewise.
17510 * local-alloc.c (update_equiv_regs): Likewise.
17511 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17513 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17515 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17516 FIRST_PSEUDO_REGISTER
17517 * dwarf2out.c: Don't include frame.h
17518 * dwarfout.c: Likewise
17519 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17522 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17524 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17527 * i386.c (movsf splitter): Fix typo in my last checkin.
17529 2000-01-05 Nick Clifton <nickc@cygnus.com>
17531 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17532 own definition of this macro.
17533 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17534 flag_data_sections or UNIQUE_SECTION_P are true.
17536 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17537 unitialised data decls.
17539 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17540 being called for uninitialised data.
17542 * config/i386/interix.c (i386_pe_unique_section): Cope with
17543 being called for uninitialised data.
17545 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17546 for uninitialised data.
17548 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17549 for uninitialised data.
17551 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17552 for uninitialised data.
17554 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17555 (UNIQUE_SECTION_P): Always generate a unique section if
17556 flag_data_sections is true.
17557 (UNIQUE_SECTION): Also generate unique sections for
17558 uninitialised data.
17559 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17560 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17563 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17565 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17568 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17570 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17571 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17572 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17573 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17574 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17576 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17578 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17580 * c-decl.c (finish_enum): Simplify code to determine minimum and
17581 maximum values of the enum, and calculate the type. Remove check
17582 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17583 the DECL_INITIAL of each enumeration constant with a copy converted
17584 to the enumeration type. When updating variant types, don't bother
17585 updating the type itself.
17587 * c-typeck.c (build_binary_op): Simplify conditional expressions
17588 when weeding out spurious signed-unsigned warnings. Add new
17589 spurious warning category: if the unsigned quantity is an enum
17590 and its maximum value fits in signed_type(result_type). Update
17592 (build_conditional_expr): Warn here if one alternative is signed
17593 and the other is unsigned.
17595 2000-01-05 Nick Clifton <nickc@cygnus.com>
17597 * config/fr30/fr30.h: Remove extraneous comments.
17599 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17601 * reload1.c (choose_reload_regs): When disabling a reload, also
17602 set reload_spill_index to -1.
17604 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17606 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17608 (m68*-*-rtemself*): New target.
17609 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17610 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17611 (sparc*-*-rtemself*): New target.
17612 (sparc*-*-rtems*): Now elf not a.out.
17613 * config/i386/rtems.h: Include config/rtems.h.
17614 * config/i386/rtemself.h: Include config/rtems.h.
17615 * config/i960/rtems.h: Include config/rtems.h.
17616 * config/m68k/rtems.h: Include config/rtems.h.
17617 * config/m68k/rtemself.h: Include config/rtems.h.
17618 * config/mips/rtems64.h: Include config/rtems.h.
17619 * config/pa/rtems.h: Include config/rtems.h.
17620 * config/rs6000/rtems.h: Include config/rtems.h.
17621 * config/sh/rtems.h: Include config/rtems.h.
17622 * config/sh/rtemself.h: Include config/rtems.h.
17623 * config/sparc/rtems.h: Include config/rtems.h.
17624 * config/sparc/rtemself.h: Include config/rtems.h
17626 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17628 * final.c (shorten_branches): Correctly compute length of
17629 asms without operands.
17631 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17633 * configure.in: Add pj target.
17634 * configure: Regenerate.
17635 * config/pj: New directory.
17636 * config/pj/lib1funcs.S: New file.
17637 * config/pj/linux.h: New file.
17638 * config/pj/pj.c: New file.
17639 * config/pj/pj.md: New file.
17640 * config/pj/pjl.h: New file.
17641 * config/pj/t-pj: New file.
17642 * config/pj/xm-pj.h: New file
17644 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17646 * toplev.c (rest_of_compilation): Run shorten-branches before
17649 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17651 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17652 macros so that they're consistent with their names.
17653 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17654 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17656 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17658 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17659 modified inadvertently.
17661 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17663 * configure.in (v850*-*-rtems*): New target.
17664 * configure: Regenerate.
17665 * config/v850/rtems.h: New file.
17667 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17669 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17670 (__gthread_key_create): Likewise.
17671 (__gthread_key_dtor): Likewise.
17672 (__gthread_once): Fix logic.
17673 (__gthread_key_delete): Cast away constness.
17675 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
17676 * invoke.texi: Document.
17677 * i386/mingw32.h (CPP_SPEC): Use.
17678 (LIBGCC_SPEC): Likewise.
17679 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
17681 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17683 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
17684 (HANDLE_PRAGMA_PACK): Undefine.
17685 (SLOW_UNALIGNED_ACCESS): Define.
17687 2000-01-04 David Edelsohn <edelsohn@gnu.org>
17689 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17690 to default definition.
17691 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
17692 (store_fixed_bit_field): Call macro with word_mode and alignment.
17693 (extract_bit_field): Call macro with relevant mode and alignment.
17694 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
17695 to default definition.
17696 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
17698 (move_by_pieces_ninsns): Likewise.
17699 (clear_by_pieces): Likewise.
17700 (emit_push_insn): Likewise.
17701 (store_field): Call macro with relevant mode and alignment.
17702 (expand_expr): Likewise.
17703 (expand_expr_unaligned): Likewise.
17705 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
17706 (SLOW_UNALIGNED_ACCESS): Define.
17707 (CASE_VECTOR_MODE): Always use 32-bit offsets.
17708 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
17709 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
17710 (toc_section): Likewise and .toc pseudo-op.
17711 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
17713 (TEXT_SECTION_ASM_OP): Likewise.
17714 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
17717 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
17718 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
17719 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
17720 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
17721 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
17723 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
17725 * regclass.c: Revert my Jan 4 change to loop cost computation.
17727 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17729 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
17732 2000-01-04 Stan Cox <scox@cygnus.com>
17734 * haifa-sched.c (build_control_flow): Change unreachable simple
17735 loop test to check if current block has only one predecessor.
17736 (find_rgns): Initialize degree. Use dest as degree index, not src.
17738 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17740 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
17742 * calls.c (expand_call): Likewise for
17743 `old_stack_arg_under_construction'.
17745 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
17747 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
17750 * gcc.c (execute): Likewise for `ut' and `st'.
17752 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
17754 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
17756 * jump.c (jump_optimize_1): Likewise for `temp2'.
17758 * local-alloc.c (block_alloc): Likewise for `r1'.
17760 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
17762 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
17763 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
17765 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
17768 * reload.c (find_reloads): Likewise for `goal_alternative_number'
17769 and `goal_earlyclobber'.
17771 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
17773 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
17775 * stupid.c (stupid_life_analysis): Likewise for `chain'.
17777 * unroll.c (copy_loop_body): Likewise for `copy'.
17779 * varasm.c (output_constructor): Likewise for `byte'.
17781 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17783 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
17784 all FP constants for constant->reg moves.
17785 (ix86_split_to_parts): Try to convert memory address into immediate
17786 when available in the constant pool.
17787 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
17789 (LEGITIMATE_CONSTANT_P): Return 1.
17790 * i386.md (pushsf): New splitter to convert constant pool memory
17791 reference to immediate.
17792 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
17795 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
17797 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
17798 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
17799 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
17800 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
17801 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
17803 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
17805 * ginclude/stdbool.h: Support compilation as C++.
17807 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17809 * fold-const.c (make_range): Don't try to reverse an unbounded range.
17811 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
17813 * regclass.c (regclass): Properly compute loop_cost. Adjust
17816 * regclass.c: Fix minor whitespace problems.
17818 2000-01-03 Anthony Green <green@cygnus.com>
17820 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
17821 Restore the pic register if required.
17823 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
17825 * c-common.c (format_char_info): Update comment.
17826 (check_format_info): Recognize 'z' modifier in the same way 'Z'
17827 was recognized. Emit warning for formats new in ISO C99 only
17828 if flag_isoc9x is not set.
17830 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
17832 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
17834 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17836 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
17837 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
17838 (make_compound_operation): Choose cheaper alternative between
17839 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
17841 * regclass.c (op_costs): Remove global variable.
17842 (record_reg_classes): New parameter "op_costs" and "reg_pref".
17843 (record_operand_costs): Break out from ...
17844 (scan_one_insn): ... here.
17845 (dump_regclass): Make dumps nicer.
17846 (regclass): Dump preferrences choosed and changes done during passes.
17848 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17850 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
17852 2000-01-03 Jakub Jelinek <jakub@redhat.com>
17854 * config/sparc/sparc.c (gen_df_reg): New function.
17855 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
17856 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
17857 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
17858 movtf_cc_reg_sp64+1): Use it.
17860 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17862 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
17863 copied LABEL_DECLs.
17865 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
17867 * config/i386/i386.c (ix86_expand_unary_operator): Function
17868 definition made void.
17869 (ix86_expand_binary_operator): Update outdated preceding comment.
17870 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
17873 * config/i386/i386.c (override_options): Fix option-name typo.
17875 2000-01-02 Mark Mitchell <mark@codesourcery.com>
17877 * system.h (CEIL): Define.
17878 * builtins.c (CEIL): Remove.
17879 * expmed.c (CEIL): Likewise.
17880 * expr.c (CEIL): Likewise.
17881 * stor-layout.c (CEIL): Likewise.
17883 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17885 * expr.c (store_constructor_field): Fix typo introduced with last
17888 2000-01-01 Mark Mitchell <mark@codesourcery.com>
17890 * tree.h (BINFO_N_BASETYPES): New macro.
17892 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
17894 * expmed.c (emit_store_flag): Prevent losing a pending stack
17895 adjust the same way we prevent losing queued increments.
17897 See ChangeLog.2 for earlier changes.