1 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3 * simplify-rtx.c (simplify_binary_operation): Recognize
4 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
5 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
6 a CONST_INT, it will always be zero.
8 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
10 * loop.c (check_dbra_loop) : Return if more than one condition is
11 present to control the loop.
13 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
15 * mips.c (mips_expand_prologue): Don't calculate the last
16 argument register unless we need it. When we are calculating
17 this, make sure FUNCTION_ARG is giving us a REG.
19 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
21 * flow.c (libcall_dead_p): Use single_set to verify the insn
22 has only one set and get for analysis.
23 (propagate_one_insn): Don't pass the PATTERN of the insn.
25 2000-07-17 Mark Klein <mklein@dis.com>
28 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
30 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
32 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
33 * configure.in (TARGET_GETGROUPS_T): Evaluate.
34 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
35 of second argument of getgroups.
36 * configure, config.in: Rebuilt.
38 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
40 * simplify-rtx.c (simplify_relational_operation): Two signed
41 values with equal high words are less/greater than each other if
42 their low words are less/greater when considered as unsigned.
44 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
46 * configure.in (vax-*-openbsd): Change to new style configuration,
47 add collect2/float_format information.
49 * config/vax/openbsd1.h: New.
50 * config/vax/openbsd.h: New.
51 * config/vax/t-openbsd: New.
53 2000-07-17 Chip Salzenberg <chip@valinux.com>
55 * c-common.c (shorten_compare): Quiet warnings about unsigned
56 comparisons with zero when they occur in a system header.
58 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
60 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
61 update to describe current practice.
63 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
65 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
66 references to C9X. Change references to -fstd and -flang-isoc9x
69 * c-common.c (scan_char_table): Allow "z" length modifiers on
71 (check_format_info): Use TYPE_DOMAIN on the type matched against
72 for "z" formats, to retrieve the language size_t rather than the
75 * c-common.c (check_format_info): Do not make a pedantic objection
76 to the 'L' length modifier if used with a floating point type
79 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
80 constants in C99 mode.
82 2000-07-17 Kazu Hirata <kazu@hxi.com>
84 * h8300.md: Fix the format of mac.
85 (movsi_h8300hs): Output a tab after stmac instead of a space.
87 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
88 profitable adds/subs sequences.
90 * fold-const.c: Fix comment typos.
92 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
94 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
96 2000-07-16 Mark Mitchell <mark@codesourcery.com>
98 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Fix typo.
100 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
102 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
104 2000-07-16 Neil Booth <NeilB@earthling.net>
106 * cpplex.c: Update comments.
107 * README.Portability: Small update.
109 2000-07-16 Neil Booth <NeilB@earthling.net>
111 * README.Portability: Small update.
113 2000-07-15 Richard Henderson <rth@cygnus.com>
115 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
116 * config/ia64/ia64.c (ia64_move_ok): New function.
117 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
118 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
120 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
122 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
123 immediately following a paste operator.
124 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
125 (cpp_reader_init): Call it, if HOST_EBCDIC.
126 (cpp_handle_options): Do not sort option list here.
127 (handle_option): Rename to cpp_handle_option and export.
128 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
129 _cpp_get_token directly.
130 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
131 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
132 * cpplib.h: Prototype cpp_handle_option. Update prototype of
135 2000-07-15 Richard Henderson <rth@cygnus.com>
137 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
138 cast around an expression. Tidy other unsigned tests.
140 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
142 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
143 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
144 (v_message_with_decl): Rename to ...
145 (format_with_decl): ... this. Tweak
146 (diagnostic_for_decl): New function.
147 (fatal_io_error): Use verbatim in lieu of notice.
148 (announce_function): Use verbatim.
149 (default_print_error_function): Likewise.
150 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
153 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
155 * mips.c (function_arg_pass_by_reference): Don't do automatic
156 aggregate initialization.
157 (machine_dependent_reorg): Initialize variable `mode'.
159 * mips.md (absdi2): Change variable `regno1' to unsigned int.
160 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
161 conflicts with sys/param.h macro of the same name.
162 (reload_outdi): Likewise.
164 2000-07-15 Michael Meissner <meissner@redhat.com>
166 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
167 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
168 create a new node instead.
170 2000-07-15 Neil Booth <NeilB@earthling.net>
172 * README.Portability: Correct example about calling a function
173 through a pointer to function. Format wide paragraphs.
175 2000-07-15 Michael Meissner <meissner@redhat.com>
177 * README.Portability: Update integer suffixes and function
180 2000-07-15 Neil Booth <NeilB@earthling.net>
182 * README.Portability: Small update.
184 2000-07-15 Neil Booth <NeilB@earthling.net>
186 * README.Portability: New file.
188 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
190 * INSTALL: Give special instructions for building GCC on Irix 6.
191 * config/mips/x-iris6 (CC): Don't set it.
194 2000-07-14 Jason Merrill <jason@redhat.com>
196 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
197 register in the stack and later in another register, use the new
200 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
202 * config/mips/mips.md: (absdi2): Handle sign_extend for
205 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
207 * cpplib.c (do_pragma_dependency): Tidy warning messages.
209 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
211 * .cvsignore: Correct typo.
213 2000-07-13 Mark Mitchell <mark@codesourcery.com>
215 * .cvsignore: Add generated YACC files.
216 * objc/.cvsignore: New file.
218 2000-07-14 Neil Booth <NeilB@earthling.net>
220 * cpplex.c (adjust_column): New funcion.
221 (skip_whitespace): Use it.
222 (skip_block_comment): Use it, and warn about /*/* with
225 2000-07-14 Neil Booth <NeilB@earthling.net>
227 * cpphash.c (struct macro_info): Add new members.
228 (_cpp_free_definition): Delete the macro directly.
229 (count_params): Return void, with first token of
230 expansion in struct macro_info on success.
231 (parse_define): Return int. Hoist syntax checking from
232 save_macro_expansion. Leave call to save_expansion to
233 _cpp_create_definition.
234 (alloc_macro): Needs just 2 arguments.
235 (free_macro): Delete.
236 (save_expansion): Don't perform syntax check.
237 (_cpp_create_definition): Call save_expansion.
239 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
241 * genrecog.c (write_header): Split long string.
243 * cpphash.c (macro_info): Don't use the `signed' keyword.
245 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
247 2000-07-13 Jakub Jelinek <jakub@redhat.com>
249 * calls.c (stored_args_map): New variable.
250 (check_sibcall_argument_overlap_1): New.
251 (check_sibcall_argument_overlap): New.
252 (expand_call): Initialize stored_args_map.
253 Call check_sibcall_argument_overlap.
255 2000-07-13 Bruce Korb <bkorb@gnu.org>
257 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
258 (emit_gnu_type): utility procedure for gnu_type_fix
259 (gnu_type_fix): implement various pre-processor guards around
260 standard types so these types can be defined over and over
261 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
262 types alluded to above will have GNU-compliant base types
263 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
264 * fixinc/inclhack.def: add test_text entries and utilize the new
265 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
266 * fixinc/fixincl.x: regenerate
268 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
270 * diagnostic.c (vline_wrapper_message_with_location,
271 v_message_with_file_and_line, v_error_with_file_and_file,
272 v_error_for_asm, v_warning_for_asm, vfatal,
273 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
274 vsorry, verror, vwarning, vpedwarn): Remove.
275 (diagnostic_for_asm): New function.
276 (pedwarn, error, warning, pedwarn_with_file_and_line,
277 error_with_file_and_line, warning_with_file_and_line, sorry,
278 error_for_asm, warning_for_asm, fatal): Reimplement.
279 (finish_diagnostic): Clear diagnostic info as well.
281 2000-07-13 Neil Booth <NeilB@earthling.net>
283 * c-common.h (flag_digraphs): New.
284 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
285 * c-lex.c (yylex): Use flag_digraphs to decide whether to
288 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
290 * gcc.c (do_spec_1): Add new %B operator.
291 (set_input): Prepare for %B.
293 (link_command_spec): Move up with the other tm.h-
294 overrideable specs. Factor out the portion conditional on
295 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
296 (struct compiler): Just have a single spec string. All users
298 (default_compilers): Remove unnecessary braces.
299 (static_specs): Update.
301 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
303 (C and assembly specs): Use the new named specs, as appropriate.
305 * objc/lang-specs.h: Use the new named specs.
306 Remove unnecessary braces.
308 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
310 * gcc.c (execute): If a subprocess gets a fatal signal, report
311 strsignal() of the signal number, and ask for a bug report.
312 Do not do this for SIGPIPE if there's already been an error.
314 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
319 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
321 * final.c (profile_function): Do not emit profile counters in
322 the data section, if NO_PROFILE_COUNTERS is defined.
323 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
326 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
327 (FUNCTION_PROFILER): Just emit a call to mcount.
329 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
331 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
333 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
334 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
335 traditional, lang_chill, or lang_fortran.
337 * cppfiles.c: #undef strcmp to suppress warning about macros
338 used without arguments.
339 (_cpp_execute_include): Use f, not fname, in "No include path"
341 (_cpp_pop_file_buffer): New function.
342 * cpplib.c: Don't include <sys/mman.h>.
343 (cpp_push_buffer): Set line_base and lineno in new buffer.
344 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
346 * cpplex.c: Move all prototypes and structure declarations to the
347 top of the file. Properly parenthesise some macro arguments.
348 (cpp_scan_line): New function.
349 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
350 don't need to walk up the stack counting.
352 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
354 * c-common.c (combine_strings): Emit a pedantic warning when a
355 string length is greater than the minimum ANSI C is required
358 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
360 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
361 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
363 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
365 * c-decl.c (define_label): Warn about identifier conflicts with
366 labels in traditional C.
368 * c-parse.in (unop +): Warn about the unary plus operator for
371 * c-typeck.c (store_init_value): Warn about automatic aggregate
372 initialization for traditional C.
374 * invoke.texi (-Wtraditional): Document new warnings.
376 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
378 * Makefile.in (c-errors.o): Fix thinko in dependency.
380 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
382 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
383 -traditional, -ftraditional, or -traditional-cpp was given.
384 Do not pass -traditional to the preprocessor.
385 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
386 preprocessor does it automatically.
387 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
389 * ch/lang-specs.h: Always use tradcpp. Do not pass
390 -traditional, -trigraphs, or -pedantic to the preprocessor.
391 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
394 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
396 * cppexp.c (LOGICAL): Delete macro.
397 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
400 * cpphash.c (HASHSIZE): Increase to 4096.
401 (struct hashdummy): Add hash field.
402 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
403 the string values using memcmp.
404 (cpp_lookup): Set dummy.hash.
406 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
408 * configure.in (m88k-openbsd): Express configuration using new fragment
410 * configure: Rebuilt.
411 * m88k/aout-dbx.h: New.
412 * m88k/openbsd.h: New.
413 * m88k/xm-openbsd.h: New.
415 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
417 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
419 2000-07-12 Richard Henderson <rth@cygnus.com>
421 * reload.c (push_secondary_reload): Make sure to add the new
422 reload at the end, after acquiring secondary memory.
424 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
426 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
428 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
429 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
431 * c-parse.in (stmt): Delete unused variables.
433 * convert.c (convert_to_vector): Likewise.
435 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
437 * tree.c (finish_vector_type): Prototype.
439 2000-07-12 Bruce Korb <bkorb@gnu.org>
441 * fixinc/fixfixes.c: use xmalloc
442 * fixinc/fixincl.c(initialize): set program name for xmalloc
443 * fixinc/fixlib.c(must_malloc): obsolete
444 (is_cxx_header): no longer used - disabled
445 (skip_quote): inserted and disabled for future use
446 * fixinc/fixlib.h: reflects above
447 * fixinc/fixtests.c: removed dinkleberries
449 2000-07-12 Neil Booth <NeilB@earthling.net>
451 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
452 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
454 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
455 struct toklist_dummy): New.
456 (cpp_free_definition): Free macros with free_macro.
457 (count_params): Don't save paramter spellings. Save macro
458 information in a struct macro_info.
459 (parse_define): Don't allocate a token list.
460 (save_expansion): Allocate the macro's token list, and
461 save parameter spellings if necessary. Use TOKEN_SPELL.
462 (cpp_create_definition): Make list const.
464 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
466 * c-typeck.c (pedwarn_c99): Move to
467 * c-errors.c: ... Here.
468 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
469 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
470 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
471 (c-errors.o): List dependency.
473 2000-07-12 Mark Mitchell <mark@codesourcery.com>
476 * c-parse.h: Likewise.
477 * c-parse.y: Likewise.
478 * objc/objc-parse.c: Likewise.
479 * objc/objc-pasre.y: Likewise.
481 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
483 * gcc.texi: Fix minor typos
484 * extend.texi: Fix minor typos
486 2000-07-11 Marc Espie <espie@openbsd.org>
488 * collect2.c (main): Recognize .lo as object files.
490 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
492 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
495 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
496 with MAP_ANONYMOUS and MAP_ANON.
497 * configure, config.in: Rebuilt.
499 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
501 * diagnostic.c (save_output_state): Remove.
502 (restore_output_state): Likewise.
503 (clear_text_info): New function.
504 (clear_diagnostic_info): Likewise.
505 (output_text_length, is_starting_newline, output_prefix,
506 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
507 prefixing_policy, output_buffer_ptr_to_format_args): New macros
508 (set_real_maximum_length, output_set_maximum_length,
509 output_set_prefix, output_get_prefix, output_set_maximum_length,
510 output_destroy_prefix, init_output_buffer,
511 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
512 output_add_newline, output_add_character, output_add_space,
513 output_append_r, output_append, wrap_text, output_format,
514 output_do_printf, output_printf, output_do_verbatim,
515 output_verbatim, verbatim): Use them.
516 (output_clear): Split into cleat_text_info and
517 clear_diagnostic_info.
518 (struct output_state): Move to...
520 * diagnostic.h: ...Here
521 (struct output_buffer): Adjust.
523 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
525 * cpplex.c (parse_name): No longer inline (premature optimization).
526 (do_pop_context): Fold into pop_context.
527 (pop_context): Returns int.
528 (lex_next): Hoist test for end of directive into pop_context.
529 (push_macro_context): Returns int; takes just reader and token.
530 Hoist test for excessive nesting to caller.
531 (push_arg_context): Returns void; takes just reader and token.
532 Do not call stringify_arg or get_raw_token.
533 (get_raw_token): Convert tail recursion through push_arg_context
534 to a loop at this level. Call stringify_arg here if appropriate.
535 (maybe_paste_with_next): Convert tail recursion to a while loop.
536 Hoist test of paste_level to caller.
538 (stringify_arg): Push arg context at beginning.
539 (cpp_get_token): Split out core into _cpp_get_token. Call
540 process_directive here. Throw away CPP_PLACEMARKER tokens.
541 (_cpp_get_token): Convert tail recursion through
542 push_macro_context to a loop at this level.
543 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
544 _cpp_get_raw_token): Use _cpp_get_token.
545 (_cpp_skip_rest_of_line): Drop the context stack directly; do
546 not call pop_context.
547 (_cpp_run_directive): Call lex_next directly.
549 * cpphash.h: Prototype _cpp_get_token.
550 * cppexp.c (lex): Use it.
551 * cpphash.c (parse_define): Use it.
552 * cpplib.c (get_define_node, do_undef, parse_include,
553 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
554 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
555 parse_ifdef, validate_else): Use it.
556 (cpp_push_buffer): Tweak error message; abort if anyone tries
557 to push a buffer while macro expansions are stacked.
559 2000-07-11 Donn Terry <donnte@microsoft.com>
561 * cpplex.c (free_macro_args, save_token): Cast arg of free
562 and/or xrealloc to PTR.
563 (_cpp_init_input_buffer): Clear all fields of the base context.
565 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
567 * gensupport.c (process_rtx): Make rtl checking stop
568 complaining about the define_insn while it is being
569 converted from a define_insn_and_split.
571 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
573 * config/mips/mips.c (simple_memory_operand): Access the
574 INTVAL of the address, not it's containing MEM.
576 2000-07-11 Bruce Korb <bkorb@gnu.org>
578 * fixinc/fixtests.c(double_slash): obsolete
579 (else_endif_label): likewise
580 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
581 (libc1_ifdefd_memx): correct initial comment
582 and omit the #if/#endif pair from the memxxx declarations
583 * fixinc/fixincl.x: regen
585 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
589 2000-07-11 Neil Booth <NeilB@earthling.net>
593 2000-07-11 Neil Booth <NeilB@earthling.net>
595 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
596 (handle_option): Set digraphs according to standard.
597 Merge OPT_lang_c89 handler with OPT_std_c89.
599 * cpplex.c: (lex_line, can_paste): Honour digraphs in
600 accordance with the digraphs flag.
602 * cpplib.h: (struct cpp_options): New option digraphs.
604 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
605 Bruce Korb <bkorb@gnu.org>
607 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
608 * fixinc/fixincl.x: Regenerate.
609 * fixinc/tests/base/testing.h: Add testcase.
611 2000-07-10 Richard Henderson <rth@cygnus.com>
613 * config/ia64/ia64.c (got_symbolic_operand): New.
614 (symbolic_operand, move_operand): Revert 0701 change.
615 * config/ia64/ia64.h (PREDICATE_CODES): Update.
616 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
617 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
618 split the offset into a 14-bit low part instead of a 13-bit low part.
619 (load_fptr): Mark the mem as unchanging.
620 (load_symptr): Use got_symbolic_operand.
622 2000-07-10 Nick Clifton <nickc@cygnus.com>
624 * libgcc2.c (next_stack_level): Cast result of computation to
625 (void **) so that the assignment does not generate a warning.
627 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
629 * flags.h : Add new variable flag_single_precision_constant.
630 * toplev.c (display_help) : Add -fsingle-precision-constant option.
631 (flag_single_precision_constant): New.
632 * c-lex.c (yylex): Convert floating point constant to single
634 * invoke.texi : Add documentation for this new option.
636 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
638 * diagnostic.c (output_octal): Second parameter is unsigned.
639 (output_long_octal): Likewise.
640 (output_hexadecimal): Likewise.
641 (output_long_hexadecimal): Likewise.
642 (output_format): Adjust arguments extraction. Tweak.
643 (output_verbatim, verbatim): End variable argument list.
644 (report_diagnostic): Improve documentation.
646 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
648 * c-common.h (build_stmt): Declare.
649 (build_continue_stmt): Likewise.
650 (build_break_stmt): Likewise.
651 (build_return_stmt): Likewise.
653 * c-decl.c (do_case): Rewrite to do what previously done in
656 * c-semantics.c (build_stmt): Define.
657 (build_return_stmt): Likewise.
658 (build_break_stmt): Likewise.
659 (build_continue_stmt): Likewise.
660 (build_case_label): Likewise.
662 * c-parse.in (BREAK): Change to build tree, then generate RTL.
663 (CONTINUE): Likewise.
668 * c-parse.y: Regenerate.
669 * c-pasre.c: Likewise.
671 2000-07-09 Jason Merrill <jason@redhat.com>
673 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
675 * tree.h (STRIP_NOPS): Check for error_mark_node.
676 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
677 (dwarf2out_*): Remove duplicate declarations.
679 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
680 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
682 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
684 * diagnostic.c (wrap_text): New function.
685 (maybe_wrap_text): Likewise.
686 (output_add_string): Use it.
687 (output_format): Likewise.
688 (count_error): Use verbatim instead of notice.
689 (report_error_function): Likewise. Don't use plain fprintf.
690 (finish_diagnostic): New function.
691 (output_do_verbatim): Tweak. Commonalize functionalities in
692 output_verbatim and verbatim.
693 (output_verbatim): Adjust.
694 (verbatim): Likewise.
695 (report_diagnostic): Define.
697 * diagnostic.h (report_diagnostic): Prototype.
699 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
701 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
703 2000-07-09 Neil Booth <NeilB@earthling.net>
705 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
706 IShspace, ISspace: Update.
708 * cppinit.c: ISTABLE: Update.
711 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
712 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
713 (skip_block_comment, skip_line_comment, parse_string,
714 lex_line): Use is_vspace rather than IS_NEWLINE.
715 (skip_whitespace, lex_line): Clean up to use is_nvspace.
716 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
718 (lex_next): Unconditionally stop if within a directive.
719 Treat directives within macro invocations as directives
720 (after parse_args emits error), not as the argument.
722 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
724 * diagnostic.c (diagnostic_args): New macro.
725 (diagnostic_msg): Likewise.
726 (output_formatted_integer): Likewise.
727 (output_state): New data type.
728 (digit_buffer): Make global.
729 (output_add_integer): Rename to output_decimal. Squeeze
731 (output_long_decimal, output_unsigned_decimal,
732 output_long_unsigned_decimal, output_octal, output_long_octal,
733 output_hexadecimal, output_long_hexadecimal): New functions.
734 (output_append_r): New function.
735 (output_append): Tweak.
736 (output_flush_on): Rename to output_to_stream.
737 (output_format): Change prototype. Improve documentation. Handle
738 more format specifiers.
739 (build_location_prefix): Rename to context_as_prefix.
740 (output_notice): Rename to output_do_printf.
741 (output_printf): Tweak.
742 (line_wrapper_printf): Likewise.
743 (vline_wrapper_message_with_location): Adjust call to renamed
745 (v_message_with_decl): Likewise.
746 (default_print_error_function): Likewise.
747 (save_output_state): New function.
748 (restore_output_state): Likewise.
749 (output_do_verbatim): Likewise.
750 (output_verbatim): Define.
751 (verbatim): Likewise.
753 * diagnostic.h (printer_fn): Change return type from void to int.
754 Improve documentation.
755 (output_add_integer): Rename to output_decimal.
756 (output_flush_on, output_format): Don't export.
757 (output_verbatim, verbatim): Declare.
759 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
761 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
762 Check whether c divides op1 exactly if operation is not
765 2000-07-08 Richard Henderson <rth@cygnus.com>
767 * final.c (final): Do not abort when reg-stack introduces
770 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
772 * cpplib.h (struct cpp_name): Now struct cpp_string.
773 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
774 CPP_HEADER_NAME): Change to type S.
775 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
776 field, a cpp_hashnode *. All references to val.name updated
777 to use val.str or val.node as appropriate.
778 (struct cpp_reader): Add spec_nodes field.
779 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
781 * cpphash.h (struct spec_nodes): New.
782 (enum spell_type): Reorder. Only SPELL_STRING tokens use
783 val.str. All references to 'spelling > SPELL_NONE' updated to
786 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
787 pfile->buffer->inc are not NULL before dereferencing them.
789 * cpplex.c (parse_name): Take a pointer to the current token,
790 plus current position and limit as args; return the new
791 position; don't copy the text of a name into the string
792 buffer, instead call cpp_lookup and store the node pointer.
793 If extending a token, copy out the text of the old into a
794 scratch buffer, append the new, look that up and store the new
795 node pointer. Inline.
796 (maybe_paste_with_next): If the result of paste is a NAME,
797 then look up the pasted text and store its node pointer.
798 (lex_line): Adjust for new parse_name interface.
799 Check for L"str", L'str' using spec_nodes->n_L.
800 (spell_token): SPELL_IDENT tokens have their spelling in
801 val.node->name. Handle SPELL_STRING tokens that don't have
803 (_cpp_expand_name_space,
804 (can_paste): Check for L ## "str" using spec_nodes->n_L.
805 (cpp_get_token, special_symbol): No need to call cpp_lookup.
806 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
807 return 1=equal 0=not, not a tristate.
809 * cpphash.c (var_args_str): Delete.
810 (find_param): Compare node fields directly.
811 (is__va_args__): Use CPP_PEDANTIC. Just compare
812 token->val.node with spec_nodes->n__VA_ARGS__.
813 (dump_funlike_macro): Don't use var_args_str.
815 * cpplib.c (_cpp_check_directive): Just walk through
816 spec_nodes->dirs comparing pointers.
817 (get_define_node, do_pragma_poison, detect_if_not_defined,
818 parse_ifdef): The identifier has already been looked up.
819 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
821 (do_if): Only call detect_if_not_defined at beginning of file.
822 (_cpp_parse_assertion): Only copy string pointers for
824 (pragma_dispatch): Take a node pointer and examine its name
826 (_cpp_init_stacks): Also initialize the spec_nodes structure.
828 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
830 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
831 reverse order from the corresponding _cpp_init_* routines.
833 * cppexp.c (parse_number, parse_charconst, parse_defined,
834 lex): Check val.node->type instead of calling cpp_defined.
835 Use spec_nodes entries where appropriate.
837 * fix-header.c, scan-decls.c: Update for interface changes.
839 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
841 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
842 emitting aux_truncdfsf2.
844 2000-07-03 Donn Terry (donnte@microsoft.com)
846 * cppinit.c (print_help): split overlong line into ISO C89
849 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
851 * cppexp.c: Update all code for new lexer interface.
852 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
853 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
854 * cpplex.c (token_names): Trim leading CPP_ from names; make
855 the strings unsigned.
856 (_cpp_spell_operator): New.
857 (is_macro_disabled): Disable all macros if rescanning
859 (_cpp_get_directive_token): Remove.
861 * cppinit.c: Don't set no_macro_expand.
862 * cpplib.c (read_line_number, do_line): Check only for EOF,
864 * cpphash.h: Update prototypes.
865 * cpplib.h (CPP_VSPACE): Remove.
866 (struct cpp_reader): Remove no_macro_expand.
868 2000-07-08 Neil Booth <NeilB@earthling.net>
870 * cpphash.c (is__va_args__): New function.
871 (count_params): Fix line reported in error messages. Use
872 is__va_args__. Don't return ')' on error. Flag GNU style
873 rest args macro definitions.
874 (parse_define): Check macro name is not __VA_ARGS__.
875 (save_expansion): Check identifier in non-varargs-macro is
876 not __VA_ARGS__. Don't flag GNU_VARARGS.
877 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
878 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
879 than per-token GNU_VARARGS.
880 * cpplib.h (GNU_VARARGS): Remove.
881 (GNU_REST_ARGS): New.
883 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
885 * i386.md (call_pop, call, call_value_pop): Do not set
886 current_function_uses_pic_offset_table for calls to static
887 functions or indirect calls.
889 2000-07-07 Jim Wilson <wilson@cygnus.com>
891 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
892 is_predicate_reg, then take max write_count of register pair.
894 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
896 * tradcpp.c (main): Rename label `include' to `add_include' to
897 avoid conflicts with variable `include' in traditional C.
899 2000-07-07 Jakub Jelinek <jakub@redhat.com>
901 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
903 2000-07-07 Jakub Jelinek <jakub@redhat.com>
905 * sibcall.c (uses_addressof): Add INMEM argument, check for
906 current_function_internal_arg_pointer outside of MEM rtxs in addition
908 (sequence_uses_addressof): Update caller.
910 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
912 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
915 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
917 * system.h (UNION_INIT_ZERO): New macro for initializing union
920 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
922 2000-07-07 Neil Booth <NeilB@earthling.net>
926 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
928 * final.c (final): Detect out of bounds array access to
929 the insn_lengths array.
931 2000-07-07 Kazu Hirata <kazu@hxi.com>
933 * fold-const.c (fold): Fix a comment typo.
935 2000-07-07 Neil Booth <NeilB@earthling.net>
937 * cpp.texi: Update to new lexer.
939 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
941 * tradcpp.c: New file.
942 * tradcif.y: New file.
943 * tradcif.c: New generated file.
945 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
946 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
947 dependencies of C. Install tradcpp from install-common, in
950 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
952 * cppinit.c: Include cppdefault.h. Refer to
953 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
954 to GCC_INCLUDE_DIR and its length.
955 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
956 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
957 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
959 (include_defaults_array): Move to cppdefault.c.
961 * cppdefault.h: New file.
962 * cppdefault.c: New file.
964 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
965 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
966 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
969 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
971 * reload.c (push_reload): When seeing if can reuse a register,
972 check extra registers against widest of INMODE and OUTMODE.
974 2000-07-06 Neil Booth <NeilB@earthling.net>
976 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
977 based on full length of predicate.
979 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
981 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
982 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
984 2000-07-05 Kazu Hirata <kazu@hxi.com>
986 * h8300-proto.h: Fix formatting.
990 2000-07-05 Jim Wilson <wilson@cygnus.com>
992 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
995 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
997 * invoke.texi: Fix minor typos
998 * md.texi: Fix minor typos
1000 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1002 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1004 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1006 * cpplex.c: Don't include sys/mman.h.
1007 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1009 * cpplib.c: Include sys/mman.h and obstack.h.
1010 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1012 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1013 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1014 bother freeing if stack entries (they will be freed with their buffer).
1015 (do_endif): Free if stack entries from the buffer obstack.
1016 (push_conditional): Allocate if stack entries from the buffer obstack.
1018 (find_answer): Rename to _cpp_find_answer.
1019 (do_assert, do_unassert): Update.
1021 * cpphash.h: Update prototypes.
1022 (xobnew): New convenience macro.
1023 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1025 (struct cpp_hashnode): Remove disabled field.
1027 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1028 (report_missing_guard): Moved to cppfiles.c.
1029 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1031 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1032 cpp_cleanup_includes. Don't destroy hashtab or
1033 all_include_files here.
1034 (cpp_finish): Use _cpp_report_missing_guards.
1036 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1037 (_cpp_init_include_table): Rename _cpp_init_includes.
1038 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1040 * cppexp.c (parse_assertion): Update for new name of
1043 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1045 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1047 * cpplib.c (do_ident): s/VSPACE/EOF/
1049 2000-07-05 Neil Booth <NeilB@earthling.net>
1051 * cpplex.c: Fix trigraph replacement within strings.
1053 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1055 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1057 * xcoffout.c (assign_type_number): Constify.
1058 (xcoffout_source_file): Add static prototype. Don't needlessly
1059 cast away const-ness.
1061 2000-07-04 Jason Merrill <jason@redhat.com>
1063 * frame.h (frame_state): Move base_offset to end.
1065 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1067 * calls.c (emit_library_call_value_1): Revert previous change.
1069 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1071 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1072 (recognized_extern, recognized_function, read_scan_file):
1073 Update for new scheme.
1074 (check_protection): It's still a multiple include guard even
1075 if it doesn't always trigger.
1076 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1078 * scan.h: Declare struct cpp_token. Update prototypes.
1080 2000-07-03 Neil Booth <neilb@earthling.net>
1081 Zack Weinberg <zack@wolery.cumb.org>
1083 Complete overhaul of the lexer and macro expander.
1085 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1086 arg, arglist, argdata, reflist, collect_objlike_expansion,
1087 collect_funlike_expansion, collect_params,
1088 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1089 unsafe_chars, macarg, compare_defs, special_symbol,
1090 scan_arguments, stringify, funlike_macroexpand,
1091 _cpp_quote_string, monthnames): Delete.
1092 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1093 _cpp_create_definition, _cpp_dump_definition,
1094 dump_hash_helper): Adjust.
1095 (find_param, count_params, parse_define, var_args_str,
1096 check_macro_redefinition, save_expansion): New.
1098 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1099 parse_string, output_line_command, trigraph_replace,
1100 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1101 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1102 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1103 _cpp_skip_rest_of_line): Modify.
1105 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1106 find_position, null_warning, bump_column, expand_name_space,
1107 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1108 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1109 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1110 _cpp_prescan): Delete.
1112 (dump_param_spelling, process_directive, lex_next,
1113 is_macro_disabled, stringify_arg, expand_context_stack,
1114 output_token, make_string_token, alloc_number_token,
1115 special_symbol, duplicate_token, maybe_paste_with_next,
1116 can_paste, prevent_macro_expansion, restore_macro_expansion,
1117 get_temp_token, release_temp_tokens, quote_string,
1118 token_names, token_spellings, _cpp_expand_name_space,
1119 _cpp_glue_header_name, _cpp_reserve_name_space,
1120 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1121 placemarker_token, eof_token, cpp_context, macro_args,
1122 get_raw_token, parse_arg, parse_args, save_token,
1123 push_arg_context, push_macro_context, pop_context,
1124 do_pop_context, free_macro_args, _cpp_get_line,
1125 _cpp_run_directive): New.
1127 * cpplib.c (validate_else, parse_include, push_conditional,
1128 pass_thru_directive, read_line_number, parse_ifdef,
1129 detect_if_not_defined, _cpp_check_directive, do_define,
1130 do_undef, do_include, do_import, do_include_next, do_error,
1131 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1132 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1133 do_pragma_poison, do_pragma_system_header,
1134 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1135 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1136 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1137 cpp_defined): Update for new scheme.
1138 (strtoul_for_line, get_define_node, dump_macro_name,
1139 _cpp_check_linemarker, _cpp_parse_assertion): New.
1140 (_cpp_handle_directive, do_pragma_default): Delete.
1142 * cpphash.h (struct predicate): Now struct answer.
1143 (enum spell_type, struct token_spelling, struct directive,
1144 directive_handler): New.
1145 Update prototypes. Remove unused macros.
1146 * cpplib.h: Update prototypes. Remove unused macros,
1147 structure definitions, and fields.
1149 * cpperror.c (print_containing_files, v_message): Adjust.
1150 * cppexp.c (parse_assertion, lex, parse_escape,
1151 _cpp_parse_expr): Adjust.
1152 * cppfiles.c (open_include_file, _cpp_execute_include,
1153 _cpp_compare_file_date, cpp_read_file, read_include_file):
1155 * cppinit.c (dump_special_to_buffer): Delete.
1156 (append_include_chain, merge_include_chains, cpp_reader_init,
1157 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1158 cpp_finish, handle_option, print_help): Adjust.
1159 * cppmain.c (main): Adjust.
1161 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1163 * cppspec.c (lang_specific_driver): Use double quotes in error
1166 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1168 * calls.c (emit_library_call_value_1): Use valreg instead
1169 of hard_libcall_value.
1171 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1173 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1174 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1175 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1183 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1184 mode instead of wider_mode is being used.
1186 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1188 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1189 of 'r'. Use q_regs_operand.
1190 (andsi_1+2): Use q_regs_operand.
1192 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1194 * builtins.c (get_memory_rtx): Always put into alias set 0.
1196 2000-07-03 Nick Clifton <nickc@cygnus.com>
1198 * config/arm/arm.md: Fix post increment and pre increment
1199 peepholes so that they do not generate UNPREDICATBLE opcodes.
1200 (ie ones where the increment clobbers the source/destination).
1202 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1204 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1205 change too big for -mtiny-stack" a warning, if larger than 63.
1206 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1207 always safe to use on possible future devices.
1208 (function_prologue): Write SPH before SPL, for consistency.
1209 If interrupt_func_p true, we know we have enabled interrupts.
1210 (avr_num_arg_regs): New function. Round up to even number of
1211 bytes if no -mpack-args or if calling a libgcc function.
1212 (function_arg, function_arg_advance): Use it.
1213 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1214 Output "movw" if available.
1215 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1216 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1217 (asm_output_section_name): Add blanks for consistent output.
1218 (encode_section_info): Set TREE_READONLY for progmem data to
1219 avoid gas warnings about changed section attributes.
1220 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1221 even numbered registers on devices with "movw".
1222 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1223 (TARGET_SWITCHES): Mark help strings for translation.
1224 Add new -mpack-args and -menhanced switches.
1225 (TARGET_OPTIONS): Mark help strings for translation.
1226 (progmem_section): Add section attributes.
1227 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1228 Output "movw" if available.
1229 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1231 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1232 call convention (arguments aligned on even registers).
1233 (_cleanup, _exit): Make weak symbols libc can override.
1235 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1237 * fp-bit.h: New file.
1239 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1240 Comment #endif statements.
1241 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1243 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1245 * gcse.c (compute_pre_data): Compute ae_kill using other local
1246 properties instead of calling compute_ae_kill.
1248 * alias.c (init_alias_analysis): Do not call
1249 prologue_epilogue_contains until after reload has completed.
1251 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1253 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1254 (genrtl_finish_compound_stmt): Likewise.
1255 (genrtl_compound_stmt): Change to return void.
1257 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1258 move code from here to ...
1259 (genrtl_compound_stmt): ... here.
1260 (genrtl_finish_compound_stmt): Remove.
1261 (expand_stmt): Add comment.
1263 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1265 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1268 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1270 * cpplib.h (struct cpp_reader): New field include_depth.
1271 (struct cpp_printer): Rename last_bsd to last_id.
1272 * cppfiles.c (read_include_file): Bump include_depth.
1273 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1274 (output_line_command): Output correct #line if a header
1275 is including itself and is not protected against multiple inclusion.
1276 Use include_depth instead of buffer_stack_depth, last_id instead of
1278 * cppinit.c (cpp_start_read): Initialize last_id instead of
1281 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1283 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1284 (c-semantics.o): New target.
1286 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1287 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1288 (genrtl_clear_out_block): Likewise.
1289 (genrtl_goto_stmt): Likewise.
1290 (genrtl_expr_stmt): Likewise.
1291 (genrtl_decl_stmt): Likewise.
1292 (genrtl_if_stmt): Likewise.
1293 (genrtl_while_stmt): Likewise.
1294 (genrtl_do_stmt): Likewise.
1295 (genrtl_return_stmt): Likewise.
1296 (genrtl_for_stmt): Likewise.
1297 (genrtl_break_stmt): Likewise.
1298 (genrtl_continue_stmt): Likewise.
1299 (genrtl_scope_stmt): Likewise.
1300 (genrtl_switch_stmt): Likewise.
1301 (genrtl_case_label): Likewise.
1302 (genrtl_begin_compound_stmt): Likewise.
1303 (gerntl_finish_compound_stmt): Likewise.
1304 (genrtl_compound_stmt): Likewise.
1305 (genrtl_asm_stmt): Likewise.
1306 (genrtl_decl_cleanup): Likewise.
1307 (DECL_ANON_UNION_ELEMS): Likewise.
1308 (emit_local_var): Likewise.
1309 (make_rtl_for_local_static): Likewise.
1310 (expand_cond): Likewise.
1311 (expand_stmt): Likewise.
1312 (c_expand_return): Likewise.
1313 (c_expand_start_case): Likewise.
1314 (do_case): Likewise.
1315 (COMPOUND_STMT_NO_SCOPE): Likewise.
1316 (c_expand_asm_operands): Likewise.
1317 (NEW_FOR_SCOPE_P): New macro.
1318 (expand_expr_stmt_fn): New type.
1320 (set_current_function_name_declared): Likewise.
1321 (current_function_name_declared): Likewise.
1322 (lang_expand_stmt): Likewise.
1323 (stmts_are_full_exprs_p): Likewise.
1324 (anon_aggr_type_p): Likewise.
1325 (lang_expand_expr_stmt): Likewise.
1326 (build_case_label): Likewise.
1328 * c-decl.c (lang_expand_expr_stmt): Initialize.
1329 (stmts_are_full_exprs_p): Define.
1330 (current_function_name_declared): Likewise.
1331 (do_case): Likewise.
1332 (lang_expand_stmt): Likewise.
1333 (set_current_function_name_declared): Likewise.
1334 (anon_aggr_type_p): Likewise.
1336 * c-semantics.c: New file.
1337 (expand_cond): Moved from cp/semantics.c.
1338 (genrtl_do_pushlevel): Likewise.
1339 (genrtl_clear_out_block): Likewise.
1340 (genrtl_goto_stmt): Likewise.
1341 (genrtl_expr_stmt): Likewise.
1342 (genrtl_decl_stmt): Likewise.
1343 (genrtl_if_stmt): Likewise.
1344 (genrtl_while_stmt): Likewise.
1345 (genrtl_do_stmt): Likewise.
1346 (genrtl_return_stmt): Likewise.
1347 (genrtl_for_stmt): Likewise.
1348 (genrtl_break_stmt): Likewise.
1349 (genrtl_continue_stmt): Likewise.
1350 (genrtl_scope_stmt): Likewise.
1351 (genrtl_switch_stmt): Likewise.
1352 (genrtl_case_label): Likewise.
1353 (genrtl_begin_compound_stmt): Likewise.
1354 (genrtl_finish_compound_stmt): Likewise.
1355 (genrtl_compound_stmt): Likewise.
1356 (genrtl_asm_stmt): Likewise.
1357 (genrtl_decl_cleanup): Likewise.
1358 (make_rtl_for_local_static): Moved from cp/decl.c.
1359 (emit_local_var): Likewise.
1360 (expand_stmt): Define.
1362 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1363 (c_expand_return): Likewise.
1364 (c_expand_start_case): Likewise.
1366 2000-07-01 Richard Henderson <rth@cygnus.com>
1368 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1369 with the low 13 bits set.
1370 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1371 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1372 of the low 13 bits into a CONST plus an adddi3.
1373 (load_symptr): Set RTX_UNCHANGING_P.
1375 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1377 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1378 * c-common.c (ridpointers): Declare.
1379 * c-common.h (enum rid): Declare.
1381 (ridpointers): Likewise.
1382 * c-lex.c (ridpointers): Don't declare.
1383 (init_lex): Initialize ridpointers.
1384 * c-lex.h (enum rid): Don't declare.
1386 (RID_FIRST_MODIFIER): Likewise.
1387 (ridpointers): Likewise.
1389 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1391 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1394 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1396 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1399 2000-06-30 Catherine Moore <clm@cygnus.com>
1401 * c-common.c (decl_attributes): Differentiate between
1402 types and type decls for alignment.
1404 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1406 * cpp.texi: Document #pragma GCC dependency
1407 * cppfiles.c (open_include_file): Set date to unknown.
1408 (_cpp_compare_file_date): New function.
1409 (read_include_file): Set file date.
1410 * cpphash.h (struct include_file): Add date member.
1411 (_cpp_compare_file_date): Prototype.
1412 * cpplib.c (parse_include): Add trail parameter. Adjust.
1413 (do_include): Adjust parse_include call.
1414 (do_import): Likewise.
1415 (do_include_next): Likewise.
1416 (gcc_pragmas): Add dependency pragma.
1417 (do_pragma_dependancy): New pragma.
1419 2000-06-29 Jason Merrill <jason@redhat.com>
1421 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1424 2000-06-29 Jim Wilson <wilson@cygnus.com>
1426 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1427 a volatile mem and FR_REGS.
1429 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1431 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1432 * c-common.h (flag_const_strings): Declare.
1433 (warn_format): Likewise.
1434 (flag_traditional): Likewise.
1435 (flag_isoc99): Likewise.
1436 (warn_parentheses): Likewise.
1437 (warn_conversion): Likewise.
1438 (C_TYPE_OBJECT_P): Likewise.
1439 (C_TYPE_INCOMPLETE_P): Likewise.
1440 (C_TYPE_FUNCTION_P): Likewise.
1441 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1442 (C_EXP_ORIGINAL_CODE): Likewise.
1443 (build_unary_op): Likewise.
1444 (build_binary_op): Likewise.
1445 (lvalue_p): Likewise.
1446 (default_conversion): Likewise.
1447 (common_type): Likewise.
1448 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1449 (C_TYPE_INCOMPLETE_P): Likewise.
1450 (C_TYPE_FUNCTION_P): Likewise.
1451 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1452 (C_EXP_ORIGINAL_CODE): Likewise.
1453 (common_type): Likewise.
1454 (default_conversion): Likewise.
1455 (build_binary_op): Likewise.
1456 (build_unary_op): Likewise.
1457 (lvalue_p): Likewise.
1458 (flag_const_strings): Likewise.
1459 (warn_format): Likewise.
1460 (warn_conversion): Likewise.
1461 (flag_traditional): Likewise.
1462 (flag_isoc99): Likewise.
1463 (warn_parentheses): Likewise.
1465 2000-06-29 James E. Wilson <wilson@cygnus.com>
1467 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1469 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1470 same. Only tie XFmode with XFmode.
1472 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1474 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1475 * Makefile.in: Update deps.
1477 2000-06-29 Andrew Haley <aph@cygnus.com>
1479 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1482 2000-06-29 Andrew Haley <aph@cygnus.com>
1484 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1485 bytes: remove the multiply by 8.
1487 2000-06-29 Philipp Thomas <pthomas@suse.de>
1489 * rtl.c : Revert NLS changes.
1490 * gcc.c : Fix bug in display_help introced by my last changes.
1492 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1494 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1495 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1497 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1499 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1501 2000-06-28 Philipp Thomas <pthomas@suse.de>
1503 * c-decl.c : Mark strings for translation.
1504 (parmlist_tags_warning): Use distinct messages instead
1505 of conditional expressions.
1506 * diagnostic.c (v_message_with_decl): Mark string for translation.
1507 * gcc.c: Mark messages for translation.
1508 (display_help): Combine messages into one string where necessary.
1509 * mips-tfile: Add intl.h. Mark messages for translation.
1510 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1511 messages for translation.
1512 * timevar.c: Mark messages for translation.
1513 * tlink.c: Likewise.
1514 * toplev.c: Likewise.
1516 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1518 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1520 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1521 use -isystem instead of -idirafter.
1522 * i386/i386-interix.h: Likewise.
1524 2000-06-28 Jason Merrill <jason@redhat.com>
1526 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1527 unless DWARF2_DEBUGGING_INFO is defined.
1528 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1530 2000-06-28 Richard Henderson <rth@cygnus.com>
1532 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1534 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1536 * cpplex.c (output_line_command): Output correct #line if a header
1537 is including itself and is not protected against multiple inclusion.
1539 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1541 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1542 ENFILE, close all cached file descriptors and try again.
1543 (_cpp_execute_include): Keep a count of the number of times
1544 each header is included.
1545 (close_cached_fd): New function.
1546 * cpphash.h (struct include_file): Rename before to
1547 include_count; all users updated. Make include_count and sysp
1549 * cppinit.c (cpp_finish): If -H, report headers that could use
1551 (report_missing_guard): New function.
1553 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1555 * i386.md (prologue_set_got): Set length_immediate field.
1556 (testqi_ccno_1): Add missing '@' character.
1558 2000-06-27 Jason Merrill <jason@redhat.com>
1560 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1563 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1565 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1566 unsigned macros available.
1568 2000-06-27 Richard Henderson <rth@cygnus.com>
1570 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1571 epilogue_deallocate_stack.
1573 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1574 completers for UNORDERED and ORDERED as well.
1575 * config/ia64/ia64.md (bunordered, bordered): New.
1576 (sunordered, sordered): New.
1578 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1580 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1581 * i386.c (ix86_attr_length_default): Kill.
1582 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1584 * i386-protos.h (ix86_attr_length_default): Kill
1585 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1587 * i386.md (attribute type): Add "test".
1588 (attribute length_prefix): Kill.
1589 (attribute length_opcode): Kill.
1590 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1591 prefix_rep, prefix_0f, modrm): New.
1592 (attribute length): Compute using the new attributes.
1593 (attribute pent_prefix): New.
1594 (attribute pent_pair): Compute using pent_prefix.
1595 (all insn patterns): Set mode,modrm and immediate_length attributes where
1597 (cmpsi patterns): Compute sizes propertly for test instruction.
1598 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1599 (movstricthi_xor, movstrictqi_xor): New patterns.
1600 (andsi/andhi): Use splitters to generate xor instructions.
1601 (xorqi_ext_1): New pattern.
1602 (movstricthi->movstricthi_xor peep2): New.
1604 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1606 * i386.md (addqi_low_1): Remove.
1608 2000-06-27 Philipp Thomas <pthomas@suse.de>
1610 * 1750a.h: Mark help strings for options/switches for translation.
1612 * alpha.h: Likewise.
1615 * riscix.h: Likewise.
1617 * clipper.h: Likewise.
1618 * convex.h: Likewise.
1619 * elxsi.h: Likewise.
1622 * h8300.h: Likewise.
1624 * cygwin.h: Likewise.
1626 * djgpp.h: Likewise.
1628 * osf1elf.h: Likewise.
1629 * osfrose.h: Likewise.
1631 * win32.h: Likewise.
1633 * paragon.h: Likewise.
1637 * mcore.h: Likewise.
1639 * mn10300.h: Likewise.
1640 * ns32k.h: Likewise.
1641 * pdp11.h: Likewise.
1644 * aix41.h: Likewise.
1645 * aix43.h: Likewise.
1647 * rs6000.h: Likewise.
1648 * sysv4.h: Likewise.
1649 * linux.h: Likewise.
1650 * linux64.h: Likewise.
1651 * sp64-elf.h: Likewise.
1652 * sparc.h: Likewise.
1653 * splet.h: Likewise.
1655 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1657 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1658 Properly document option and mark for translation.
1659 * sp86x-elf.h: Likewise.
1661 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1663 Add MMX and SSE registers to i386 machine description.
1664 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1665 ix86_local_alignment): Declare.
1667 * i386.h (TARGET_MMX, TARGET_SSE): New.
1668 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1669 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1670 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1671 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1672 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1673 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1674 (RETURN_IN_MEMORY): Handle MMX/SSE.
1675 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1676 also get stack space.
1677 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1678 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1679 (MMX_REGISTER_NAMES): New.
1680 (ALIGN_MODE_128): New macro.
1681 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1682 (DATA_ALIGNMENT): Likewise.
1683 (LOCAL_ALIGNMENT): Likewise.
1684 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1685 TARGET_MMX/TARGET_SSE.
1686 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1687 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1688 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1689 SSE/MMX regs and something else.
1690 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1691 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1692 3 if moving between MMX regs and something else.
1694 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1695 (regclass_map): Add MMX/SSE registers.
1696 (print_operand): Add code to print XMMWORD as appropriate.
1697 (ix86_split_movdi): Abort for MMX regs.
1698 (init_cumulative_args): Also allow SSE_REGS
1699 (function_arg_advance, function_arg): Likewise
1700 (print_reg): Support 'm'. Add case for TImode.
1701 (override_options): TARGET_SSE implies TARGET_MMX.
1702 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1705 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1707 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1709 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1710 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1712 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1714 * ssa.c (struct rename_set_data): Change the name of field
1715 'set_dest' to 'old_reg'. Add comments.
1716 (struct rename_context): Change the name of 'set_data' to
1717 'new_renames'. Add new field 'done_renames'.
1718 (create_delayed_rename): New function.
1719 (apply_delayed_renames): New function.
1720 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1721 SUBREGs and similar by emitting a move.
1722 (new_registers_for_updates): Delete, functionality moved to
1723 apply_delayed_renames.
1724 (rename_block): Handle moves emitted by rename_insn_1 by putting
1725 them into a SEQUENCE with the original insn. Add sanity checks
1727 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1728 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1730 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1731 Jason Merrill <jason@redhat.com>
1733 * dwarf2.h (enum dwarf_call_frame_info): Add
1734 DW_CFA_def_cfa_expression.
1735 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1736 dw_loc_descr_struct entry.
1737 (struct cfa_loc): New structure to track a CFA location.
1738 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1739 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1740 offset, plus handle DW_CFA_def_cfa_expression.
1741 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1743 (dwarf2out_def_cfa): Entry point maintained for compatability.
1744 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1745 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1746 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1747 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1749 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1750 sequences for the new DW_CFA_def_cfa_expression record.
1751 (dwarf2out_frame_debug): Use new variables/fields.A
1752 (output_cfi): Handle DW_CFA_def_cfa_expression.
1753 (output_cfa_loc): New function to generate a CFI record for
1754 DW_CFA_def_cfa_expression.
1755 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1756 a dw_loc_descr sequeunce.
1757 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1758 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1759 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1760 unwind info section.
1761 * frame.h (frame_state): Add base_offset and indirect fields.
1762 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1763 dw_loc_descr operation.
1764 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1765 (struct frame_state): Add base offset and indirect fields.
1766 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1768 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1770 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1771 Make warnings about implicit int be pedwarns in C99. Don't warn
1772 about duplicate type qualifiers in C99.
1773 (start_function): Make warning about implict int return type be a
1775 * c-lex.c (yylex): Don't warn about `long long' in C99.
1776 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1777 `return' with no value in function returning non-void.
1779 2000-06-26 Richard Henderson <rth@cygnus.com>
1781 * c-typeck.c (pedwarn_c99): New.
1782 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1783 * toplev.h: Prototype them.
1785 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1787 * c-typeck.c (digest_init): Return error_mark_node node when
1788 TREE_TYPE (init) == error_mark_node.
1790 2000-06-26 Philipp Thomas <pthomas@suse.de>
1792 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1793 test for msgfmt without path instead.
1794 * configure: Rebuilt.
1796 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1798 * gengenrtl.c (special_rtx): Fix typo in comment.
1800 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1802 * mklibgcc.in (LIB2FUNCS): Add missing space.
1804 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1806 * tree.h (enum tree_index): Add vector type nodes.
1807 Add accessor macros for them.
1808 (TYPE_REPRESENATION_TYPE): New macro.
1809 * tree.c (build_common_tree_nodes_2): Build these nodes.
1810 (finish_vector_type): New function.
1811 * c-common.c (type_for_mode): Handle vector modes.
1812 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1814 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1815 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1816 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1817 (gen_type_die): Likewise.
1818 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1819 (fundamental_type_code): Likewise.
1820 (type_is_fundamental): VECTOR_TYPEs aren't.
1821 (output_type): Handle VECTOR_TYPEs.
1823 2000-06-25 Kazu Hirata <kazu@hxi.com>
1825 * config/arm.c: Fix a comment typo.
1826 * config/arm.h: Likewise.
1828 2000-06-25 Philipp Thomas <pthomas@suse.de>
1830 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1832 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1833 * configure: Rebuilt.
1835 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1837 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1839 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1841 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1844 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1846 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1848 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1850 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1852 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1854 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1855 last_unconditional_cleanup.
1857 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1859 * tree.def (VECTOR_TYPE): New node type.
1860 * tree.h: Adjust some comments to reflect addition of vector types.
1861 (TYPE_VECTOR_SUBPARTS): New macro.
1862 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1863 * c-convert.c (convert): Likewise.
1864 * convert.c (convert_to_integer): Handle vector modes.
1865 (convert_to_vector): New function.
1866 * convert.h (convert_to_vector): Declare.
1867 * expr.c (convert_move): Handle vector modes.
1868 * expmed.c (extract_bit_field): Don't abort for vector modes.
1870 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1872 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1873 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1874 New functions, common code moved from function_{prologue,epilogue}
1875 and extended to support the -mtiny-stack option.
1876 (function_prologue, function_epilogue): Use them.
1877 Use lo8/hi8 consistently for asm output readability.
1878 (avr_hard_regno_mode_ok): New function.
1879 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1880 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1881 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1882 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1883 Write SPH before SPL.
1884 (*movqi): No need to disable interrupts for just one "out"
1885 in alternative 5. Change length attribute from 4 to 1.
1886 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1887 Write SPH before SPL.
1889 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1891 * rtl.texi (Vector Operations): New node.
1892 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1893 (Conversions): Add ss_truncate, us_truncate.
1894 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1895 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1896 US_TRUNCATE): New rtx codes.
1897 * machmode.def: Add vector modes.
1898 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1900 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1901 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1902 (VECTOR_MODE_P): New.
1904 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1906 * cpp.texi: Clarify #pragma GCC namespace.
1908 2000-06-24 Philipp Thomas <pthomas@suse.de>
1910 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1911 all catalogs specified in ALL_LINGUAS.
1912 * configure: Rebuilt.
1914 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1916 * config/sparc/sparc.md (reload_outdi+1): Handle
1917 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1918 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1920 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1922 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1923 struct vs. scalar-ness when -fno-strict-aliasing.
1925 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1927 * cpplib.c (struct pragma_entry): New structure.
1928 (pragma_dispatch): Pragma dispatcher.
1929 (top_pragmas, gcc_pragmas): New static variables.
1930 (do_pragma): Use pragma_dispatch.
1931 (do_pragma_gcc): New pragma handler.
1934 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1936 * calls.c (compute_argument_addresses): Force stack slots into
1938 * expr.c (emit_push_insn): Force pushes into alias set 0.
1940 2000-06-23 Richard Henderson <rth@cygnus.com>
1942 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1943 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1945 2000-06-22 Jason Merrill <jason@redhat.com>
1947 * toplev.c (compile_file): Always call timevar_print.
1948 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1950 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1952 * varasm.c (constant_descriptor): Make contents unsigned char.
1953 (mark_const_hash_entry): Adjust.
1954 (const_hash): Just hash the code of unknown nodes.
1955 (compare_constant_1): Adjust for unsigned char.
1956 Use language specific expander on unknown nodes.
1957 (record_constant_1): Likewise.
1959 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1961 * cppfiles.c (cpp_make_system_header): New function.
1962 * cpplib.h: Prototype it.
1963 * cpplib.c (do_line, do_pragma_system_header): Use it.
1964 * fix-header.c (read_scan_file): Use it.
1966 * fix-header.c (check_macro_names): Cast second arg of
1967 cpp_defined to const unsigned char *.
1968 (read_scan_file): Make getchar_call const unsigned char.
1970 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1972 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1973 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1974 (destroy_include_file_node): New.
1975 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1976 Create a splay tree, not a hash table.
1977 (open_include_file): Look up the path in the include table,
1978 do the multiple include optimization here, etc.
1979 (cpp_included): Walk the path.
1980 (find_include_file): Just walk the path calling
1981 open_include_file, or call it directly for an absolute path.
1982 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1984 (read_include_file): Update for new scheme. Don't close the
1985 file unless reading fails.
1986 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1988 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1989 (struct include_file): New.
1990 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1992 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1995 * cppinit.c: Include splay-tree.h.
1996 (cpp_reader_init, cpp_cleanup): Update.
1998 * cpplib.h (struct cpp_buffer): Change ihash field to
1999 'struct include_file *inc'. Remove system_header_p.
2000 (struct cpp_reader): Change all_include_files to a
2001 struct splay_tree_s *.
2003 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2004 cpp_buffer->system_header_p.
2005 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2007 * Makefile.in (SPLAY_TREE_H): New macro.
2008 (cppfiles.o, cppinit.o): Update dependencies.
2010 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2012 * invoke.texi (g++): "g++" is not a script anymore.
2014 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2016 * function.c (round_down): Delete obsolete prototype.
2018 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2020 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2022 * configure.in: Use 'test a = b' not 'test a == b'.
2025 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2027 * Makefile.in: Remove all references to HOST_INTLLIBS.
2029 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2032 2000-06-20 Philipp Thomas <pthomas@suse.de>
2034 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2037 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2039 * Take REG_INC notes into account.
2041 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2043 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2044 (primary: IDENTIFIER): Just call build_external_ref.
2045 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2047 * c-lex.c (lastiddecl): Remove.
2048 (yylex): Replace all instances of lastiddecl with local
2051 * c-typeck.c (build_external_ref): New function. Treat decls
2052 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2053 Look up the decl from the id here. Call lookup_objc_ivar.
2054 * c-lang.c (lookup_objc_ivar): Stub.
2055 * objc/objc-act.c (lookup_objc_ivar): New function.
2057 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2058 * c-lex.h: Don't declare lastiddecl.
2060 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2062 * c-common.h (IF_COND): Added documentation.
2063 (THEN_CLAUSE): Likewise.
2064 (ELSE_CLAUSE): Likewise.
2065 (WHILE_COND): Likewise.
2066 (WHILE_BODY): Likewise.
2067 (DO_COND): Likewise.
2068 (DO_BODY): Likewise.
2069 (RETURN_EXPR): Likewise.
2070 (EXPR_STMT_EXPR): Likewise.
2071 (FOR_INIT_STMT): Likewise.
2072 (FOR_COND): Likewise.
2073 (FOR_EXPR): Likewise.
2074 (FOR_BODY): Likewise.
2075 (SWITCH_COND): Likewise.
2076 (SWITCH_BODY): Likewise.
2077 (CASE_LOW): Likewise.
2078 (CASE_HIGH): Likewise.
2079 (GOTO_DESTINATION): Likewise.
2080 (COMPOUND_BODY): Likewise.
2081 (ASM_CV_QUAL): Likewise.
2082 (ASM_STRING): Likewise.
2083 (ASM_OUTPUTS): Likewise.
2084 (ASM_INPUTS): Likewise.
2085 (ASM_CLOBBERS): Likewise.
2086 (DECL_STMT_DECL): Likewise.
2087 (STMT_EXPR_STMT): Likewise.
2088 (LABEL_STMT_LABEL): Likewise.
2090 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2091 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2092 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2093 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2095 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2097 * configure.in (--enable-checking): Update --help doc to reflect
2098 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2100 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2102 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2104 * function.c (put_var_into_stack): Don't reference DECL_ fields
2105 if input is a SAVE_EXPR.
2106 Use set_mem_attributes in COMPLEX case.
2108 2000-06-18 Richard Henderson <rth@cygnus.com>
2110 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2111 (ia64_file_start): Declare.
2112 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2113 (GR_REGNO_P): Likewise.
2114 * config/ia64/ia64.c: Many prototypes.
2115 (ia64_reg_numbers): Constify.
2116 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2117 (ia64_section_threshold): Make unsigned.
2118 (ia64_print_operand): Constify.
2119 (fix_range): Constify.
2120 (ia64_init_builtins): Don't compare signed vs unsigned.
2121 (ia64_expand_builtin): Likewise.
2123 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2124 (CONSTRAINT_OK_FOR_Q): New.
2125 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2126 (movsf_internal, movdf_internal): Likewise.
2127 (cmovdi_internal): Rewrite so that constraints and predicates match;
2129 (cmovsi_internal): Likewise.
2131 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2132 (ASM_FILE_START): New.
2133 * config/ia64/ia64.c (ia64_file_start): New.
2134 (rtx_needs_barrier): Handle pred.rel.mutex.
2135 (emit_predicate_relation_info): New.
2136 * config/ia64/ia64.md (pred_rel_mutex): New.
2137 * config/ia64/linux.h (ASM_SPEC): Define.
2138 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2140 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2141 filtering global register variables.
2143 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2145 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2147 2000-06-17 Michael Meissner <meissner@redhat.com>
2149 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2150 not present and there is a field after a '-'.
2152 2000-06-17 Bruce Korb <bkorb@gnu.org>
2154 * fixinc/check.tpl: finish the implementation of multiple tests
2156 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2157 (io_quotes_def): add a second test
2158 (various): reorder `files' so that "limits.h" is never first
2159 * fixinc/tests/base/*: update the testing output
2161 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * gcc.texi: Remove reference to stupid.c.
2165 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2167 * c-common.c (c_tree_code_type): New array.
2168 (c_tree_code_length): Likewise.
2169 (c_tree_code_name): Likewise.
2170 (add_c_tree_codes): New function.
2172 * c-common.h (add_c_tree_codes): Declare.
2173 (enum c_tree_code): New enum.
2175 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2177 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2180 select pattern to also match macro defs with only one argument.
2182 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2184 * i386.md: Create new [right,left] rotate and right shift
2185 patterns to optimize shift by 1 bit for certain ia32 processors.
2186 Update patterns which perform left shifts to optimize shift by
2187 1 bit for certain ia32 processors.
2188 * i386.c (const_int_1_operand): New predicate.
2189 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2190 * i386-protos.h (const_int_1_operand): Prototype.
2192 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2194 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2196 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2198 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2201 2000-06-14 Richard Henderson <rth@cygnus.com>
2203 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2205 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2208 * print-rtl.c (print_rtx): Emit space before mem alias set.
2210 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2212 * rs6000.c (expand_block_move): Fix typo in earlier change.
2213 (print_operand): Remove unused variables neg and op.
2214 (toc_hash_mark_entry): Fix prototype.
2216 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2218 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2219 (THEN_CLAUSE): Likewise.
2220 (ELSE_CLAUSE): Likewise.
2221 (WHILE_COND): Likewise.
2222 (WHILE_BODY): Likewise.
2223 (DO_COND): Likewise.
2224 (DO_BODY): Likewise.
2225 (RETURN_EXPR): Likewise.
2226 (EXPR_STMT_EXPR): Likewise.
2227 (FOR_INIT_STMT): Likewise.
2228 (FOR_COND): Likewise.
2229 (FOR_EXPR): Likewise.
2230 (FOR_BODY): Likewise.
2231 (SWITCH_COND): Likewise.
2232 (SWITCH_BODY): Likewise.
2233 (CASE_LOW): Likewise.
2234 (CASE_HIGH): Likewise.
2235 (GOTO_DESTINATION): Likewise.
2236 (COMPOUND_BODY): Likewise.
2237 (ASM_CV_QUAL): Likewise.
2238 (ASM_STRING): Likewise.
2239 (ASM_OUTPUTS): Likewise.
2240 (ASM_INPUTS): Likewise.
2241 (ASM_CLOBBERS): Likewise.
2242 (DECL_STMT_DECL): Likewise.
2243 (STMT_EXPR_STMT): Likewise.
2244 (LABEL_STMT_LABEL): Likewise.
2245 (SCOPE_BEGIN_P): Likewise.
2246 (SCOPE_END_P): Likewise.
2247 (SCOPE_STMT_BLOCK): Likewise.
2248 (SCOPE_NULLIFIED_P): Likewise.
2249 (SCOPE_NO_CLEANUPS_P): Likewise.
2250 (SCOPE_PARTIAL_P): Likewise.
2251 (ASM_VOLATILE_P): Likewise.
2252 (STMT_LINENO): Likewise.
2253 (STMT_LINENO_FOR_FN_P): Likewise.
2255 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2256 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2257 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2258 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2259 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2261 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2263 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2265 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2266 writable in parts of the GCC code.
2268 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2269 specification match cast.
2271 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2273 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2274 * configure, config.in: Rebuilt.
2275 * sys-protos.h: Similarly.
2277 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2279 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2280 * basic-block.h (EDGE_COMPLEX): ... here.
2282 * loop.c (check_dbra_loop): Specify the register when
2283 generating REG_NONNEG notes and don't generate duplicates.
2285 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2287 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2288 (struct tree_type, struct tree_decl): Add user_align member.
2289 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2290 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2291 and DECL_USER_ALIGN 0, cap alignment to this value.
2292 (place_field): Likewise.
2293 (finalize_type_size): Set TYPE_USER_ALIGN.
2294 (layout_type): Likewise.
2295 (initialize_sizetypes): Likewise.
2296 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2297 DECL_USER_ALIGN to 1.
2298 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2299 (xfer_tag): Set TYPE_USER_ALIGN.
2300 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2301 (finish_enum): Likewise.
2302 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2303 (expand_anon_union_decl): Likewise.
2304 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2305 (build_index_type): Set TYPE_USER_ALIGN.
2306 (build_range_type): Likewise.
2307 (build_common_tree_nodes_2): Likewise.
2308 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2310 2000-06-13 Andreas Jaeger <aj@suse.de>
2312 * configure.in: Use --enable-checking=misc,tree,gc by default if
2313 no --enable-checking option is given and for
2314 --enable-checking=yes.
2315 * configure: Rebuilt.
2317 2000-06-13 Richard Henderson <rth@cygnus.com>
2319 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2320 (__throw): Don't pass the address of a label.
2322 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2323 current_function_is_leaf.
2324 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2325 instead of reg_names[RETURN_ADDRESS_REGNUM].
2326 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2327 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2328 from RETURN_ADDRESS_REGNUM. Update all uses.
2329 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2330 zero instead of null on failure.
2331 (ELIMINABLE_REGS): Add ra->b0 elimination.
2332 (CAN_ELIMINATE): Update accordingly.
2333 (INITIAL_ELIMINATION_OFFSET): Likewise.
2334 (REGISTER_NAMES): Use an illegal assembler name for
2335 RETURN_ADDRESS_POINTER_REGNUM.
2337 2000-06-13 Richard Henderson <rth@cygnus.com>
2339 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2340 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2341 (REG_CLASS_NAMES): Likewise.
2342 (REG_CLASS_CONTENTS): Likewise.
2343 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2344 (HARD_REGNO_MODE_OK): Remove references to them.
2345 (REGNO_REG_CLASS): Likewise.
2346 (REG_CLASS_FROM_LETTER): Likewise.
2347 (CLASS_MAX_NREGS): Likewise.
2348 (REGISTER_MOVE_COST): Likewise.
2349 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2350 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2351 (movqi_internal): Special case moves from zero.
2352 (movhi_internal, movsi_internal): Likewise.
2353 (movdi_internal): Likewise. Fill out "f" constraints.
2354 (movsf_internal): Fill out "r" constraints.
2355 (movdf_internal): Likewise.
2357 2000-06-13 Richard Henderson <rth@cygnus.com>
2359 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2360 alive before reload.
2362 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2363 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2364 (remove_dependence): Always define.
2365 (set_sched_group_p): New.
2366 (sched_analyze_2): Use it.
2367 (sched_analyze_insn): Don't special-case naked uses. Look for
2368 and extend in_post_call_group_p.
2369 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2370 (init_deps): Clear in_post_call_group_p.
2372 2000-06-13 Richard Henderson <rth@cygnus.com>
2374 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2375 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2376 and hard-coded tests.
2377 (simplify_set): Likewise.
2378 (gen_lowpart_for_combine): Likewise.
2379 * emit-rtl.c (gen_lowpart_common): Likewise.
2380 * global.c (find_reg): Likewise.
2381 * local-alloc.c (find_free_reg): Likewise.
2382 * recog.c (register_operand): Likewise.
2383 * regclass.c (init_reg_sets_1): Likewise.
2384 (record_operand_costs, regclass): Likewise.
2385 * reload.c (push_reload): Likewise.
2386 * reload1.c (choose_reload_regs): Likewise.
2387 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2388 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2389 Update all references.
2390 * regs.h (struct reg_info_def): Likewise.
2391 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2392 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2393 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2395 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2396 (CLASS_CANNOT_CHANGE_MODE_P): New.
2397 * config/mips/mips.h: Likewise.
2398 * config/pa/pa32-regs.h: Likewise.
2399 * config/pa/pa64-regs.h: Likewise.
2400 * config/rs6000/rs6000.h: Likewise.
2401 * config/sh/sh.h: Likewise.
2402 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2403 (CLASS_CANNOT_CHANGE_MODE_P): New.
2404 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2405 * config/d30v/d30v.h: Likewise.
2407 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2409 * configure.in: Add AC_TYPE_GETGROUPS test.
2410 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2411 * configure: Rebuilt.
2412 * config.in: Rebuilt.
2414 2000-06-13 Richard Henderson <rth@cygnus.com>
2416 * explow.c (set_mem_attributes): Do nothing for NULL type.
2418 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2420 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2423 2000-06-13 James E. Wilson <wilson@cygnus.com>
2425 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2427 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2429 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2431 2000-06-13 Philipp Thomas <pthomas@suse.de>
2433 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2434 * configure: Rebuilt.
2436 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2438 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2439 We now default to ELF for the i386, and a.out is the special case.
2440 * configure: Rebuilt.
2442 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2444 * final.c (final_scan_insn): Delete notes between cc0 setter and
2445 user when restarting from setter.
2447 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2449 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2450 cast to squelch signed/unsigned warnings.
2452 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2454 * cpplib.c (handle_directive): Print non-NUL-terminated string
2457 2000-06-12 Michael Meissner <meissner@redhat.com>
2459 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2460 path if the machine needs extra support to do conditional
2463 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2465 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2466 to print the alias set.
2467 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2469 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2471 * config/float-vax.h: Add GFLOAT defines.
2473 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2475 * configure.in: Update tm dependencies for MPE.
2476 * configure: Rebuilt.
2478 2000-06-12 H.J. Lu <hjl@gnu.org>
2480 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2482 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2484 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2485 (CPP_SPEC): Change mthreads to pthread.
2486 (LIB_SPEC): Likewise.
2487 (STARTFILE_SPEC): Likewise.
2488 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2489 (CPP_SPEC): Change mthreads to pthread.
2490 (LIB_SPEC): Likewise.
2491 (STARTFILE_SPEC): Likewise.
2492 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2493 * rs6000.c (reg_or_arith_cint_operand): New.
2494 (num_insns_constant_wide): Decorate unsigned constant.
2495 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2496 * rs6000.md (addsi3): Use new predicate.
2497 (subsi3, adddi3, subdi3): Likewise.
2499 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2501 * c-common.c (lang_get_alias_set): Fix typo.
2503 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2505 * flow.c (mark_used_regs): Revert last change.
2506 (life_analysis): Remove PROP_AUTOINC if running after reload.
2507 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2509 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2511 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2514 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2516 * bb-reorder.c (build_scope_forest): Initialize variable
2519 * calls.c (expand_call): Likewise for variables
2520 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2522 * i386.c (function_arg_advance, function_arg): Cast to avoid
2523 signed/unsigned warnings.
2525 * i386.h (MEMORY_MOVE_COST): Likewise.
2527 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2528 `else_start' and `else_end'.
2530 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2532 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2534 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2536 * Makefile.in (libintl.a): Depend on intl.all.
2538 2000-06-09 H.J. Lu (hjl@gnu.org)
2540 * Makefile.in (c-parse.o): Also depend on output.h.
2542 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2544 * mcore-protos.h: discards const warning removal.
2545 * mcore.c: discards const warning removal.
2547 2000-06-09 Kazu Hirata <kazu@hxi.com>
2549 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2550 the beginning of the file.
2552 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2554 * real.h: Add prototype for ldexp.
2556 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2558 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2559 it ggc_alloc, drop second argument, never clear returned memory.
2560 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2561 (ggc_alloc_cleared): New.
2562 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2563 ggc_alloc_obj. Remove ggc_alloc macro.
2564 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2566 * rtl.c (rtvec_alloc): Clear the vector always.
2567 (rtx_alloc): Clear the first word always. Remove dirty
2568 obstack tricks (this routine is no longer a bottleneck).
2569 * tree.c (make_node): Clear the new node always.
2570 (make_tree_vec): Likewise.
2571 (tree_cons): Clear the common structure always.
2572 (build1): Likewise; also, clear TREE_COMPLEXITY.
2573 * gengenrtl.c: Use puts wherever possible. Remove extra
2575 (gendef): Clear the first word of an RTX in the generator
2576 function, irrespective of ggc_p. Initialize '0' slots to
2578 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2579 thin wrapper macro around obstack_alloc.
2581 * stmt.c (expand_fixup): Use ggc_alloc.
2582 * c-typeck.c (add_pending_init): Use ggc_alloc.
2583 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2584 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2585 const0_rtx when it is created.
2586 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2587 we are not in a function.
2589 * tree.c (tree_class_check_failed): Make second arg an int.
2590 * tree.h: Update prototype.
2592 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2594 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2595 of an error_mark_node.
2597 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2599 * config/avr/avr.c (asm_output_section_name): bugfix.
2601 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2603 * timevar.def: Add TV_EXPAND.
2604 * timevar.c (timevar_print): Update timing information.
2605 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2607 * stmt.c (expand_return): Check for error_mark_node.
2609 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2611 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2613 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2614 variable against filename expansion when it contains "char *".
2616 * system.h (SSIZE_MAX): Delete backup definition.
2618 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2619 instead of SSIZE_MAX.
2621 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2623 * configure.in: Check whether gas supports -relax.
2624 * configure, config.in: Rebuilt.
2625 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2626 (EXTRA_SPECS): Add asm_relax.
2627 (ASM_SPEC): Add %(asm_relax).
2628 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2629 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2630 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2631 (ASM_SPEC): Add %(asm_relax).
2632 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2633 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2634 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2635 instead of mov, so that gas can further optimize it.
2637 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2639 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2641 (value_format, case dw_val_class_const): Use sdata format.
2642 (output_die): Call output_sleb128.
2644 2000-06-08 James E. Wilson <wilson@cygnus.com>
2646 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2647 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2648 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2649 (output_die, case dw_val_class_unsigned_const): Correct call to
2650 ASM_OUTPUT_DWARF_DATA8.
2651 (output_die, case dw_val_class_long_long): Use
2652 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2653 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2656 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2657 (output_function_prologue): Fix mispelling.
2658 (output_function_prologue, output_function_epilogue): Reorder to
2659 match ia64.c definition order.
2660 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2661 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2662 Use r3 instead of r2 for large stack restores.
2663 (ia64_output_end_prologue): New function.
2664 (process_set): Emit ".restore sp" for epilogue stack restores.
2665 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2667 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2669 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2672 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2674 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2676 2000-06-08 Denis Perchine <dyp@perchine.com>
2678 * frame.c (start_fde_sort): Don't malloc (0).
2680 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2682 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2684 * print-tree.c (print_node): The transparent_union_flag means
2685 different things for unions and arrays. Do not inspect it
2686 with TYPE_TRANSPARENT_UNION.
2688 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2690 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2693 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2695 * config/avr/avr.c (asm_output_section_name): output section
2697 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2699 2000-06-06 James E. Wilson <wilson@cygnus.com>
2701 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2702 fields into header field.
2703 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2704 macros to access length, flags, and version info from header field.
2705 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2706 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2707 (__do_global_ctors_aux): Fix caller.
2708 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2709 prologue_flag to header. Pass to read_P_record.
2710 (read_P_record): New argument header. Implement P4 format.
2711 Multiply P7_T_SIZE by 16.
2712 (execute_one_ia64_descriptor): New static local region_header. Pass to
2713 get_unwind_record. Copy r to region_header if r is a header record.
2714 (print_all_records): Likewise.
2715 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2716 (__get_personality, __get_except_table): Likewise.
2717 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2719 2000-06-06 Philipp Thomas <pthomas@suse.de>
2721 * configure.in (AC_C_INLINE): Added.
2722 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2723 * configure: Regenerate.
2725 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2727 * c-common.h (c_language_kind): New type.
2728 (c_language): New variab.e
2729 * c-common.c (lang_get_alias_set): Don't put structures in
2730 non-zero alias sets in C++.
2731 * c-decl.c (c_language): Define it.
2732 * c-lex.c (doing_objc_thang): Remove.
2733 * c-tree.h (doing_objc_thang): Make it a macro.
2734 * objc/objc-act.c (lang_decode_option): Set c_language, not
2737 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2739 * diagnostic.c (output_maximum_width): Remove.
2740 (doing_line_wrapping): Tweak.
2741 (diagnostic_buffer): New object.
2742 (global_output_buffer): New object.
2743 (output_destroy_prefix): New function.
2744 (default_initialize_buffer): Likewise.
2745 (reshape_diagnostic_buffer): Likewise.
2746 (initialize_diagnostics): Likewise.
2747 (output_clear): Tweak.
2748 (line_wrapper_printf): Adjust call to init_output_buffer.
2749 (vline_wrapper_message_with_location): Likewise. Use
2750 output_destroy_prefix.
2751 (v_message_with_decl): Likewise.
2753 * diagnostic.h (struct output_buffer): Constify prefix.
2754 (init_output_buffer, output_get_prefix): Constify.
2755 (diagnostic_message_length_per_line): Likewise.
2756 (reshape_diagnostic_buffer): Declare.
2757 (default_initialize_buffer): Declare.
2758 (initialize_diagnostics): Declare.
2759 (diagnostic_buffer): Declare new obbject.
2761 * toplev.c: #include diagnostic.h
2762 (display_help): Document diagnostic formatting options.
2763 (decode_f_option): Handle diagnostic formatting options.
2764 (main): Setup initialization for diagnostic messages outputter.
2766 * toplev.h (set_message_length): Remove.
2768 * Makefile.in (toplev.o): Depends upon diagnostic.h
2770 * invoke.texi : Document diagnostics formatting options.
2772 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2774 * configure.in (Make the links): Typo fix : the file that must be
2775 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2776 * configure: File rebuilt.
2778 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2780 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2781 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2783 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2784 emergency eh_context buffer, if malloc fails.
2785 (__eh_free): Moved from cp/exception.cc. Release to emergency
2786 eh_context buffer, if appropriate.
2788 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2790 * expr.c (store_expr): Fix typo.
2792 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2794 * m68k.c (legitimize_pic_address): Move prototype ...
2796 * m68k-protos.h (legitimize_pic_address): ... here.
2798 * m68k.md (legitimize_pic_address): Delete prototypes.
2799 (untyped_call): Invoke GEN_CALL(), not gen_call().
2801 * nextstep.c: Include system.h and toplev.h.
2802 (get_directive_line): Don't prototype.
2803 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2805 * nextstep.h (handle_pragma): Prototype.
2806 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2807 objc_section_init ...
2808 (EXTRA_SECTION_FUNCTIONS): ... here.
2810 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2812 * sdbout.c (struct sdb_file): NAME now const.
2813 (sdbout_init): input_file_name now const.
2814 (sdbout_start_new_source_file): FILENAME now const.
2815 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2817 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2819 * c-typeck.c (build_conditional_expr): Handle complex data types.
2821 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2823 * explow.c (maybe_set_unchanging): New function, broken out from...
2824 (set_mem_attributes): Here.
2825 * expr.h: Declare it.
2826 * stmt.c (expand_decl): Call it.
2828 2000-06-05 Richard Henderson <rth@cygnus.com>
2830 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2831 while looking for a register to inherit from.
2833 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2835 * Makefile.in (libgcc.ready): Lose.
2836 (libgcc.mk): Just use mv, not move-if-change.
2837 (LIBGCC_DEPS): New macro.
2839 (stmp-multilib): Likewise.
2840 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2841 it rather than the directories themselves.
2842 (LIB2ADD): Depend on the list file rather than 'force'.
2844 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2845 cv-qualified versions of types.
2847 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2849 * config/sparc/sparc.c (short_branch): Correct error in range
2852 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2854 * fixinc/inclhack.def: New include hacks for ultrix.
2855 * (nested_ultrix): Replaced by ultrix_nested_svc.
2856 * (ultrix_atof_param): test_text string added.
2857 * (ultrix_ifdef): Modified select string.
2859 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2861 * objc/objc-act.c (generate_method_descriptors): Register
2862 objc_method_prototype_template as a GC root.
2863 (comp_method_with_proto): Register function_type as a GC root.
2864 (comp_proto_with_proto): Replace function_type1 and
2865 function_type2 with a two-element array; register it as a GC root.
2867 (generate_protocols, build_protocol_initializer,
2868 generate_protocol_list, build_category_initializer,
2869 build_shared_structure_initializer): Do not cache cast_type
2872 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2874 * function.c (assign_parms): Add missing argument to set_mem_attributes
2877 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2879 * tree.h (VOID_TYPE_P): New macro.
2880 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2881 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2882 (get_parm_info): Likewise.
2883 (store_parm_decls): Likewise.
2884 (combine_parm_decls): Likewise.
2885 (finish_function): Likewise.
2886 * c-typeck.c (build_function_call): Likewise.
2887 (build_binary_op): Likewise.
2888 (build_conditional_expr): Likewise.
2889 (internal_build_compound_expr): Likewise.
2890 (convert_for_assignment): Likewise.
2891 * stmt.c (expend_expr_stmt): Likewise.
2892 (warn_if_unused_value): Likewise.
2893 (expand_return): Likewise.
2894 * c-parse.in (primary): Likewise.
2895 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2896 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2898 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2900 * alias.c (get_alias_set): If compnent is addressable, use alias
2902 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2903 (grokdeclarator): Likewise.
2904 * c-typeck.c (common_type): Likewise.
2906 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2908 * Makefile.in (OBJS): Remove dyn_string.o
2909 (dyn-string.o): Delete rule.
2910 * dyn-string.c: Delete file
2911 * dyn-string.h: Likewise.
2913 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2915 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2918 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2920 * alias.c (record_component_aliases): Don't inspect
2921 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2923 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2925 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2926 it with the pattern to do machine dependent work.
2927 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2928 use it to modify the true/false tests used in conditional
2929 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2930 defined, invoke them if the conversion to conditional execution
2931 was successful or not.
2933 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2934 (IFCVT_MODIFY_INSN): Ditto.
2935 (IFCVT_MODIFY_FINAL): Ditto.
2936 (IFCVT_MODIFY_CANCEL): Ditto.
2938 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2940 * toplev.c (main): Fix misspellings of possibility and language.
2942 2000-06-03 Richard Henderson <rth@cygnus.com>
2944 * alias.c (record_alias_subset): Initialize has_zero_child in the
2947 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2949 * arm.md (untyped_call): Use GEN_CALL macro.
2951 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2953 * Makefile.in: Use $(MAKE) not "make"
2955 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2957 * alias.c (struct alias_set_entry): New field has_zero_child.
2958 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2959 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2961 Call record_component_aliases for aggregate types.
2962 (record_alias_subset): Set has_zero_child.
2963 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2964 TYPE_NONALIASES_COMPONENT.
2965 (record_component_aliases, case RECORD_TYPE): Test
2966 DECL_NONADDRESSABLE_P.
2967 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2968 of TREE_ADDRESSABLE.
2969 * calls.c (initialize_argument_information): Only test
2970 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2971 * function.c (assign_parms): Likewise.
2972 * integrate.c (function_cannot_inline_p): Likewise.
2973 * stor-layout.c (finish_record_layout): Don't call
2974 record_component_aliases.
2975 * tree.h (struct tree_int_cst): Use struct tree_common.
2976 (struct tree_real_cst, struct tree_string): Likewise.
2977 (struct tree_complex, struct tree_identifier): Likewise.
2978 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2979 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2980 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2981 (TYPE_NONALIASES_COMPONENT): New macro.
2982 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2983 (DECL_NONADDRESSABLE_P): New macro.
2984 (struct tree_decl): Reorder bits for clarity of how many left;
2987 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2989 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2990 * mklibgcc.in (force): New target.
2991 Make LIB2ADD stuff depend on it.
2993 2000-06-02 Richard Henderson <rth@cygnus.com>
2995 * alias.c (lang_get_alias_set): Remove.
2996 (get_alias_set): Call it directly, not indirectly.
2997 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2998 * c-common.h (c_get_alias_set): Don't declare.
2999 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3000 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3002 2000-06-02 Bruce Korb <bkorb@gnu.org>
3004 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3005 (server_setup): define the server's master pid
3006 (close_server): actually do the deed IFF we are the server's master
3008 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3010 * c-common.c (c_get_alias_set): Check whether signed_type did not
3011 return its argument before calling get_alias_set on the result.
3013 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3015 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3017 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3019 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3020 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3021 for TARGET_NOMACSAVE.
3022 (NOMACSAVE_BIT): Define.
3023 (TARGET_NOMACSAVE): Define.
3024 (TARGET_SWITCHES): Add "nomacsave".
3026 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3028 * sh.md (untyped_call): Remove excess parameters
3030 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3032 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3033 match that used before the conversion to c_fix style.
3034 * fixinc/fixincl.x: regenerate
3036 2000-06-01 Stan Cox <scox@cygnus.com>
3038 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3039 macro argument typo.
3041 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3043 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3045 * cpplib.c (parse_include): Remove support for VAX-C
3046 "#include starlet" misfeature.
3048 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3050 * cppfiles.c: conditionally define O_BINARY.
3051 (open_include_file): pass O_BINARY to open().
3053 2000-06-01 Richard Henderson <rth@cygnus.com>
3055 * i960.c (i960_br_predict_opcode): Remove.
3056 (i960_print_operand) [+]: Emit branch prediction hints.
3057 (i960_function_arg): Return early for VOIDmode.
3058 (i960_round_align): Return early for incomplete types.
3059 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3060 * i960.md (all conditional branches): Add "%+".
3062 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3064 * alias.c (get_alias_set): Don't call language-specific routine more
3065 than is needed and clean up code a bit.
3066 * c-common.c (c_get_alias_set): All references whose type
3067 is char get alias set 0, but character types need not.
3068 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3069 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3071 2000-06-01 Bruce Korb <bkorb@gnu.org>
3073 * fixinc/tests/base/...: new base result files
3075 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3077 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3078 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3079 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3082 2000-06-01 Richard Henderson <rth@cygnus.com>
3084 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3086 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3088 2000-05-31 Richard Henderson <rth@cygnus.com>
3090 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3091 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3092 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3094 2000-05-31 Richard Henderson <rth@cygnus.com>
3096 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3097 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3098 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3099 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3100 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3102 2000-05-31 Richard Henderson <rth@cygnus.com>
3104 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3106 2000-05-31 Richard Henderson <rth@cygnus.com>
3108 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3110 (find_if_block): Allow THEN with no outgoing edges.
3111 * flow.c (merge_blocks_nomove): Remove a barrier not following
3114 2000-05-31 Richard Henderson <rth@cygnus.com>
3116 * flow.c (propagate_block): Move initialization of mem_set_list ...
3117 (init_propagate_block_info): ... here. Also track blocks with
3118 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3120 2000-05-31 Richard Henderson <rth@cygnus.com>
3122 * jump.c (jump_optimize_1): Revert 05-18 change.
3124 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3126 * invoke.texi: Remove documentation for -fguiding-decls.
3128 2000-05-31 Richard Henderson <rth@cygnus.com>
3130 * configure.in: Fix typo last change.
3132 2000-05-31 Philipp Thomas <pthomas@suse.de>
3134 * configure.in (enable-nls): Enable if build == host, i.e. when
3135 not building a canadian cross compiler.
3136 (enable-maintainer-mode): Added for use with i18n.
3137 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3138 cross section of ALL_LINGUAS and LINGUAS.
3139 * configure: Rebuild.
3141 2000-05-31 Bruce Korb <bkorb@gnu.org>
3143 * fixinc/check.tpl: rework to use test result tree
3144 * fixinc/Makefile.in: change invocation of check script
3145 * fixinc/check.diff: No longer needed
3146 * fixinc/fixincl.x: regenerate
3147 * fixinc/inclhack.def: add new tests
3148 * fixinc/tests/base/arch/i960/archI960.h: New test result
3149 * fixinc/tests/base/curses.h: modified test result
3150 * fixinc/tests/base/stdio.h: ditto
3151 * fixinc/tests/base/time.h: ditto
3152 * fixinc/tests/base/sys/asm.h: ditto
3153 * fixinc/tests/base/sys/stat.h: ditto
3154 * fixinc/tests/base/sys/wait.h: ditto
3156 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3158 * except.c (clear_function_eh_region): Do not free NULL.
3160 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3162 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3163 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3164 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3165 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3166 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3167 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3168 (get_alias_set): Likewise.
3169 Major rework to do more things and allow language-specific code
3170 to just handle special-cases.
3171 (record_alias_subset): Args are HOST_WIDE_INT.
3172 (record_component_alias): Local vars are HOST_WIDE_INT.
3173 Don't handle COMPLEX_EXPR.
3174 (get_varargs_alias_set): Moved from builtins.c.
3175 (get_frame_alias_set): New function.
3176 * builtins.c (expand_builtin_return_address): Use frame alias set.
3177 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3179 (get_memory_rtx): Rework to use set_mem_attributes.
3180 (get_varargs_alias_set): Deleted from here.
3181 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3182 (c_find_base_decl): Deleted from here.
3183 (c_get_alias_set): Remove many cases and rework to just handle
3185 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3186 * c-decl.c (rtl.h, expr.h): Now included.
3187 (init_decl_processing): Call record_component_aliases on array types.
3188 (grokdeclarator): Likewise.
3189 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3190 * c-typeck.c (common_type): Call record_component_aliases for array.
3191 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3192 Set all save areas to the frame alias set.
3193 * calls.c (initialie_argument_information): Call set_mem_attributes.
3194 (compute_argument_addresses, expand_call): Likewise.
3195 * explow.c (set_mem_attributes): New function.
3196 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3197 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3198 LEN and OFFSET now HOST_WIDE_INT.
3199 (clear_by_pieces): Similar changes.
3200 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3201 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3202 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3203 (clear_by_pieces_1): Likewise.
3204 (emit_push_insn): Call set_mem_attributes.
3205 (expand_expr, case INDIRECT_REF): Likewise.
3206 (expand_expr, case VAR_DECL): Call change_address.
3207 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3209 (get_varargs_alias_set, get_frame_alias_set): New decls.
3210 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3211 (new_alias_set, set_mem_attributes): Likewse.
3212 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3213 (assign_stack_temp_for_type): Likewise.
3214 Can split slot even if alias set since can copy.
3215 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3216 (assign_temp): Use host_integerp and tree_low_cst.
3217 (put_var_into_stack): Properly handle SAVE_EXPR.
3218 (put_addressof_into_stack): Likewise.
3219 (assign_parms): Call set_mem_attributes.
3221 (fix_lexical_address): Put reference to chain into frame alias set.
3222 (expand_function_start): Call set_mem_attributes.
3223 * integrate.c (expand_inline_function): Likewise.
3224 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3225 * regmove.c (try_apply_stack_adjustment): Likewise.
3226 * reload.c (push_reload, make_memloc): Likewise.
3227 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3228 * rtl.def (MEM): Update comment.
3229 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3230 (move_by_pieces): Change length to HOST_WIDE_INT.
3231 (record_base_value, record_alias_subset): Delete from here.
3232 * stmt.c (expand_decl): Call set_mem_attributes.
3233 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3234 * toplev.c (compile_file): Call init_alias_once earlier.
3235 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3236 from here: now in alias.c.
3237 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3238 (struct tree_decl): Likewise.
3239 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3240 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3241 (output_constant_def, force_const_mem): Likewise.
3243 * flow.c (propagate_block): If block has no successors, stores to
3244 frame are dead if not used.
3246 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3248 * stmt (expand_end_case): Reorder conversion sequence for jump
3249 table to avoid extra truncations.
3251 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3253 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3254 in the block is more than just a simple conditional branch.
3255 (noce_process_if_block): Similarly.
3257 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3259 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3262 2000-05-30 Michael Meissner <meissner@redhat.com>
3264 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3265 instructions. Treat LO_SUM operations as loading the full integer
3268 2000-05-30 Richard Henderson <rth@cygnus.com>
3270 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3272 2000-05-30 Richard Henderson <rth@cygnus.com>
3274 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3276 2000-05-30 Bruce Korb <bkorb@gnu.org>
3278 * fixinc/tests/*: Added expected result files for fixinc's make check
3279 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3281 2000-05-30 Richard Henderson <rth@cygnus.com>
3283 * config/alpha/alpha.md (*setne_internal): Use match_operator
3284 instead of working down from insn.
3286 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3288 * invoke.texi (-Wtraditional): Update WRT function macros.
3290 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3292 * except.c (free_exception_table): Do not free NULL.
3294 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3296 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3297 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3300 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3302 * flow.c (mark_used_reg): If a register is unconditionally live,
3303 remove any conditional death information.
3305 2000-05-29 Richard Henderson <rth@cygnus.com>
3307 * final.c (current_output_insn): New.
3308 (final_scan_insn): Set it.
3309 * output.h: Declare it.
3311 2000-05-29 Richard Henderson <rth@cygnus.com>
3313 * stor-layout.c (finalize_record_size): Fix typo.
3315 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3318 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3320 * cpplib.h (cpp_reader): Remove if_stack. Change
3321 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3322 * cpphash.h (struct ihash): Change control_macro to a
3323 cpp_hashnode * and shorten name to cmacro.
3324 Add NEVER_REINCLUDE constant.
3326 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3327 Examine the cmacro node directly, no need to call cpp_defined.
3328 (_cpp_execute_include, read_include_file): Set cmacro to
3329 NEVER_REINCLUDE, not U"".
3330 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3331 (cpp_get_token): If pfile->skipping is true, discard text and
3332 keep scanning until we hit a directive; don't expand macros.
3334 * cpplib.c (struct if_stack): Remove if_succeeded, add
3335 was_skipping. Change control_macro to a cpp_hashnode * and
3336 shorten name to cmacro. Remove typedef IF_STACK.
3337 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3338 (conditional_skip, skip_if_group,
3339 consider_directive_while_skipping): Delete.
3340 (push_conditional): New.
3341 (_cpp_handle_directive): Don't process directives other than
3342 conditionals if we are skipping.
3344 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3345 Update to new scheme.
3346 (validate_else): Skip rest of line here, unconditionally.
3347 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3348 pfile->skipping off.
3350 (all): Remove `scare quotes' from error messages.
3352 2000-05-29 Richard Henderson <rth@cygnus.com>
3354 * function.c (emit_return_into_block): New line_note arg; emit it.
3355 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3356 for the close brace to accompany HAVE_return. Move all line notes
3357 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3359 2000-05-29 Richard Henderson <rth@cygnus.com>
3361 * longlong.h [__alpha] (count_leading_zeros): New.
3362 (count_trailing_zeros): New.
3363 (COUNT_LEADING_ZEROS_0): New.
3365 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3366 (alpha_split_conditional_move): New.
3367 * config/alpha/alpha-protos.h: Prototype them.
3368 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3369 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3370 * config/alpha/alpha.md: Update ffs cix commentary.
3372 (*nabssf2, *nabsdf2): New.
3373 (*mov[qhsd]icc_internal): Use add_operand.
3374 (if_then_else constant splitters): New.
3375 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3376 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3378 2000-05-29 Richard Henderson <rth@cygnus.com>
3380 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3381 a constant to NEG or NOT when conditions allow.
3383 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3384 unless both args are general_operand. Don't canonicalize plus
3385 to ior unless it helps.
3387 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3388 instead track register_life_up_to_date. Toggle no_new_pseudos
3391 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3393 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3394 so output_operand doesn't see them.
3396 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3398 * lcm.c (make_preds_opaque): Fix comment.
3399 (optimize_mode_switching): Use NORMAL_MODE instead of
3400 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3401 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3402 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3403 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3404 (MODE_USES_IN_EXIT_BLOCK): Delete.
3405 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3406 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3407 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3408 (MODE_NEEDED): Don't look for USE.
3409 (EPILOGUE_USES): Define.
3411 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3413 * mklibgcc.in (all): Variable initialised to `libgcc'.
3415 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3417 * toplev.h (skip_leading_substring): New macro.
3418 * toplev.c (decode_f_option): Use skip_leading_substring instead
3420 (decode_W_option): Likewise.
3422 2000-05-28 Nick Clifton <nickc@cygnus.com>
3424 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3427 2000-05-28 Richard Henderson <rth@cygnus.com>
3429 * regclass.c (record_operand_costs): Protect reg_changes_size
3430 with CLASS_CANNOT_CHANGE_SIZE.
3432 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3434 2000-05-28 Richard Henderson <rth@cygnus.com>
3436 * function.c (diddle_return_value): A pcc-style struct return
3439 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3441 * cppfiles.c: Read files in, using mmap if possible, then
3442 prescan them separately.
3443 (read_file, read_with_read): New functions.
3444 * cpplex.c: Don't define UCHAR_MAX.
3445 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3448 * cppinit.c (handle_option): Automatically define __cplusplus,
3449 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3450 the respective -lang switch.
3452 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3453 prototype): Move to...
3454 * cpplib.h: ... here. Rename struct hashnode to struct
3455 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3456 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3458 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3460 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3462 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3463 (class_can_change_size): New variable.
3464 (reg_changes_size): New variable.
3465 (init_reg_sets_1): Initialise class_can_change_size.
3466 (record_operand_costs): Remove subreg_changes_size.
3467 Don't pass it around. Instead update reg_changes_size.
3468 (regclass): Initialise and free reg_changes_size. If a register
3469 changes size, don't preference it to a class that contains
3470 registers that can't change size.
3471 (record_reg_classes): Don't look at subreg_changes_size.
3473 2000-05-27 Richard Henderson <rth@cygnus.com>
3475 * print-rtl.c (reg_names): Remove const.
3476 * regclass.c (reg_names): Likewise.
3477 * regs.h (reg_names): Likewise.
3478 * hard-reg-set.h (reg_names): Likewise.
3480 2000-05-27 Richard Henderson <rth@cygnus.com>
3482 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3484 2000-05-27 Richard Henderson <rth@cygnus.com>
3486 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3487 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3488 (alpha_expand_prologue): Emit prologue_mcount if needed.
3489 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3490 * config/alpha/alpha.md (prologue_mcount): New.
3491 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3492 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3493 * config/alpha/netbsd.h: Likewise.
3495 2000-05-27 Richard Henderson <rth@cygnus.com>
3497 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3498 change to config/elfos.h.
3500 2000-05-27 Richard Henderson <rth@cygnus.com>
3502 * Makefile.in (resource.o): Depend on except.h.
3503 * except.h (output_exception_table_data): Prototype.
3504 * genconfig.c (gen_peephole2): Prototype.
3505 * genemit.c (main): Include ggc.h.
3506 * genoutput.c: Revert parts of last change: include errors.h
3507 (main): Set progname.
3508 * recog.c: Include hard-reg-set.h before recog.h.
3509 * resource.c: Include except.h.
3511 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3513 (alpha_write_linkage): Protect with BUFSIZ.
3514 (alpha_need_linkage): Update prototype.
3515 * config/alpha/alpha.c (function_arg): Move VMS code here.
3516 (alpha_links_base): Remove.
3518 (mark_alpha_links_node, mark_alpha_links): New.
3519 (alpha_write_one_linkage): New.
3520 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3521 (alpha_write_linkage): Use splay_tree_foreach.
3522 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3523 to get the linkage symbol.
3524 (call_value_vms): Likewise.
3525 * config/alpha/elf.h (output_file_directive): Remove decl.
3526 (ctors_section, dtors_section): Prototype.
3527 (sbss_section, sdata_section): Prototype.
3528 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3529 (readonly_section, link_section, literals_section): Prototype.
3530 (ctors_section, dtors_section): Prototype.
3531 (vms_valid_decl_attribute_p): Remove decl.
3532 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3534 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3536 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3538 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3539 substituting the REG in a (subreg:X (reg:Y ...)).
3541 2000-05-28 Neil Booth <NeilB@earthling.net>
3543 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3544 first token of a line BOL. Update EOF code for this.
3545 Remove illegal directive check - it appears in the (not
3546 yet committed) caller.
3547 * cpplib.h (BOL): New flag.
3549 2000-05-28 Neil Booth <NeilB@earthling.net>
3551 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3552 (_cpp_free_toklist): No comment space to free.
3553 (expand_comment_space): Remove.
3554 (save_comment_space): Place the comment in the current token and
3555 not in a separate comment space.
3556 (_cpp_lex_line): Save comments during plain code and #define
3558 * cpplib.h (struct _cpp_toklist): Remove comment space.
3560 2000-05-28 Neil Booth <NeilB@earthling.net>
3562 * cppexp.c (parse_assertion): Supply extra argument to
3564 * cpplib.c (do_assert, do_unassert): Similarly.
3565 * cpphash.h (_cpp_init_toklist) Update.
3566 (_cpp_expand_token_space): New.
3567 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3568 * cpplex.c (_cpp_init_toklist): New argument.
3569 (parse_string2): New argument multiline_ok.
3570 (spell_token): Take a const cpp_token *.
3571 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3572 (SPELL_ macros): Replace with enum.
3573 (expand_token_space): Replace with _cpp_expand_token_space.
3574 Take COUNT argument.
3575 (IS_DIRECTIVE): Update.
3576 (_cpp_lex_line): Update token structure before parsing number.
3577 Don't assume start at beginning of token list.
3578 (save_comment): Use INIT_TOKEN_NAME.
3580 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3582 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3583 -Wmissing-prototypes.
3584 * configure: Regenerate.
3585 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3587 * builtins.c, calls.c: Change all instances of gen_call_* or
3588 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3589 * calls.c (struct_value_size_rtx): Separate definition from
3590 initialization to avoid unused variable warning.
3592 * genflags.c (gen_macro): New function.
3593 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3594 (gen_nonproto): Delete.
3595 (gen_insn): Put all insns on the same obstack.
3596 (main): Generate prototypes for everything unconditionally.
3598 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3599 out check for wchar_t.
3600 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3601 * system.h: Add infrastructure for defining missing
3602 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3603 definitions of UCHAR_MAX and SSIZE_MAX.
3604 * configure: Regenerate.
3605 * config.in: Regenerate.
3607 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3608 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3610 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3611 libgcc2.a, or libgcc1.null.
3613 2000-05-27 Richard Henderson <rth@cygnus.com>
3615 * Makefile.in (recog.o): Don't depend on resource.h.
3616 * recog.c: Don't include resource.h.
3617 (recog_last_allowed_insn): Remove.
3618 (recog_next_insn): Remove.
3619 (struct peep2_insn_data): New.
3620 (peep2_insn_data, peep2_current): New.
3621 (peep2_next_insn): New.
3622 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3623 (peep2_find_free_register): New.
3624 (peephole2_optimize): Track life information by insn as we go.
3625 * recog.h: Update declarations.
3626 * resource.c (find_free_register, reg_dead_p): Remove.
3627 * resource.h: Remove their declarations.
3628 * toplev.c: Include hard-reg-set.h before recog.h.
3630 * genconfig.c (max_insns_per_peep2): New.
3631 (gen_peephole2): New.
3633 * genemit.c (output_peephole2_scratches): Generate calls to
3634 peep2_find_free_register; adjust surrounding code.
3635 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3636 * genrecog.c (change_state): Don't track last_insn.
3637 (write_action): Write into *_pmatch_len before accepting.
3638 (write_tree): Adjust peephole2_insns and subroutines to match.
3640 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3642 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3643 (hard_int_register_operand): New.
3644 * config/alpha/alpha-protos.h: Declare it.
3645 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3646 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3647 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3649 2000-05-27 Richard Henderson <rth@cygnus.com>
3651 * function.c (thread_prologue_epilogue_insns): Don't move the
3652 line note at the head of the chain. Only force a lineno note
3653 before the end of block 0.
3655 2000-05-27 Richard Henderson <rth@cygnus.com>
3657 * gensupport.c (collect_insn_data): Record the maximum number
3658 of alternatives, not the last seen.
3660 * genoutput.c: Don't include errors.h.
3661 (struct data): Add lineno member.
3663 (scan_operands): Use message_with_line instead of error.
3664 (validate_insn_alternatives): Likewise.
3665 (gen_insn): Accept and store the pattern's line number.
3666 (gen_peephole, gen_expand, gen_split): Likewise.
3667 (main): Don't set progname. Pass line_no to gen_foo.
3669 2000-05-27 Richard Henderson <rth@cygnus.com>
3671 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3672 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3673 * config/d30v/d30v.md (attr predicable): New.
3674 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3675 (andsi3*): Unify into one pattern.
3676 (iorsi3*, xorsi3*): Likewise.
3677 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3679 (old cond_exec patterns): Remove.
3680 (define_cond_exec): New.
3682 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3684 * tree.h (TREE_CODE_LENGTH): New macro.
3685 * c-common.c (c_find_base_decl): Use it.
3686 * expr.c (safe_from_p): Likewise.
3687 * print-tree.c (print_node): Likewise.
3688 * tree.c (make_node, copy_node, get_identifier): Likewie.
3689 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3690 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3691 * fold-const.c (make_range): Likewise.
3692 (fold): Likewise; also use first_rtl_op.
3693 * c-iterate.c (collect_iterators): Use first_rtl_op.
3694 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3695 Use IS_EXPR_CODE_CLASS.
3696 (preexpand_calls): Likewise.
3697 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3698 and TREE_CODE_LENGTH.
3699 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3701 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3703 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3705 (movdi_internal64): Likewise.
3707 * config/rs6000/rs6000.md: Correct order of operands for DImode
3710 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3711 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3712 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3713 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3714 boolean_operator for the boolean patterns without NOTs.
3716 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3717 from reg_or_u_cint_operand. Change comment and behaviour.
3718 (logical_operand): Clean up, add assertion.
3719 (non_logical_cint_operand): Also check for
3720 reg_or_logical_cint_operand.
3721 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3722 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3728 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3730 * tree.h (struct record_layout_info): Rename to (struct
3731 record_layout_info_s).
3732 * stor-layout.c (start_record_layout): Replace
3733 `record_layout_info' with `record_layout_info_s'.
3735 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3737 * flow.c (find_label_refs): New function.
3738 (find_basic_blocks_1): Call it for each alternative of a call
3741 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3743 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3746 2000-05-25 Richard Henderson <rth@cygnus.com>
3748 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3749 so strict about DImode.
3750 (alpha_swapped_comparison_operator): Likewise.
3751 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3752 any integer output mode.
3753 (*setcc_internal): Likewise.
3754 (*setcc_swapped_internal): Likewise.
3755 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3756 (*mov[qhs]icc_internal): New.
3757 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3759 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3761 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3763 2000-05-25 Richard Henderson <rth@cygnus.com>
3765 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3766 Remove add_jump; add next; replace flags with visited.
3768 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3769 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3770 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3771 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3773 (reorder_index, reorder_last_visited): Remove.
3774 (skip_insns_after_block): Rewrite to use a switch.
3775 (get_common_dest): Remove.
3776 (chain_reorder_blocks): Remove.
3777 (record_effective_endpoints): Split out from reorder_basic_blocks.
3778 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3779 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3780 Only construct the reorder chain, do not move insns. Try harder
3782 (label_for_bb, emit_jump_to_block_after): New.
3783 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3784 and adjust the jump insns appropriately. Fixup basic_block_info.
3785 (verify_insn_chain): Always define.
3786 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3788 (make_new_scope): Don't write zeros to calloc'd space.
3789 (build_scope_forest): Rely on xrealloc to DTRT.
3790 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3791 profile_arc_flag. Streamline EH test.
3793 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3794 * basic-block.h: Declare them.
3796 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3798 * emit-rtl.c (reset_used_decls): New function.
3799 (unshare_all_rtl_again): Call it.
3801 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3803 * cpplex.c (maybe_macroexpand): Warn about function-like
3804 macros used in non-function context, if -Wtraditional.
3806 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3808 * recog.c (peephole2_optimize): Use INSN_P.
3810 2000-05-25 Richard Henderson <rth@cygnus.com>
3812 * ifcvt.c (seq_contains_jump): New.
3813 (noce_try_store_flag_constants): Use it to fail conversion.
3814 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3816 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3818 * except.h (can_throw): Declare it.
3819 * except.c (can_throw): Give it external linkage.
3820 * resource.c (find_dead_or_set_registers): Use can_throw.
3822 2000-05-25 Richard Henderson <rth@cygnus.com>
3824 * flow.c (mark_set_1): Don't record conditionally dead memory.
3826 2000-05-25 Jan Hubicka <jh@suse.cz>
3828 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3829 and pc_set at the place of simplejump_p and condjump_p.
3830 * cse.c (record_jump_equiv): Likewise.
3831 * emit-rtl.c (emit): Likewise.
3832 * explow.c (find_next_ref): Likewise.
3833 * flow.c (tidy_fallthru_edge): Likewise.
3834 (init_propagate_block_info): Likewise.
3835 * gcse.c (delete_null_pointer_checks): Likewise.
3836 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3837 dead_or_predicable): Likewise.
3838 * integrate.c (copy_insn_list): Likewise.
3839 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3840 for_each_insn_in_loop, check_dbra_loop, get_condition,
3841 insert_bct, load_mems): Likewise.
3842 * resource.c (find_dead_or_set_registers): Likewise.
3843 * sibcalls.c (simplejump_p): Likewise.
3844 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3846 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3848 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3849 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3851 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3852 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3853 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3854 * rs6000.md: Name various internal patterns.
3856 2000-05-25 Jan Hubicka <jh@suse.cz>
3858 * jump.c (invert_exp_1): Remove first argument, use pc_set
3859 to get the expression.
3860 (redirect_exp): Make static; redirect only the pc_set expression,
3861 remove first argument.
3862 (invert_exp): Remove first argument, make static.
3863 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3864 any_onlyjump at most places where we originaly did condjump_p
3866 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3867 (delete_barrier_succesors): Use pc_set.
3868 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3869 calls of invert_exp and redirect_exp.
3870 * rtl.h (redirect_exp, invert_exp): Remove.
3871 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3873 2000-05-25 Richard Henderson <rth@cygnus.com>
3875 * stmt.c (expand_end_bindings): Fix thinko last change.
3877 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3878 Andrew Haley <aph@cygnus.com>
3880 * except.c (func_eh_entry): Add emitted field.
3881 (new_eh_region_entry): Set emitted field to 0;
3882 (output_exception_table_entry): Only emit previously un-emitted data,
3883 and send it to the eh_data section.
3884 (output_exception_table): Break out common parts. Output
3885 exception table for entire compilation unit to eh_data section.
3886 (output_exception_table_data): Common parts of output_exception_table.
3887 Send output to eh_data section.
3888 (output_function_exception_table): Output exception table data for
3889 a single function to eh_data section.
3890 (free_exception_table): New external to free the table.
3891 * except.h (free_exception_table): Add prototype.
3892 (output_function_exception_table): Add prototype.
3893 * final.c (final_end_function): Output function exception table
3894 for IA64_UNWIND_INFO.
3895 (final_scan_insn): Emit any unwind directives for an insn.
3897 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3899 * frame.c: Remove all DWARF 2 specific code.
3900 * config/ia64/frame-ia64.c: New file.
3901 (gthread_stuff): Make all gthread available with
3903 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3904 (__register_frame_info, __register_frame): Move to common area of file.
3905 (__register_frame_info_table, __register_frame_table): Move to common i
3907 (__deregister_frame_info, __deregister_frame): Move to common area.
3908 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3909 (read_uleb128): New version for ia64.
3910 (get_unwind_record): Read the next IA-64 unwind record.
3911 (read_R_record): Read a region header record.
3912 (process_a_b_reg_code): X record helper.
3913 (read_X_record): Read an X format record.
3914 (read_B_record): Read a B format record.
3915 (P3_record_types): List of record types matching the P3 format.
3916 (P7_record_types): List of record types matching the P7 format.
3917 (P8_record_types): List of record types matching the P8 format.
3918 (read_P_record): Read a P format record.
3919 (init_ia64_reg_loc): Set default fields for a register.
3920 (init_ia64_unwind_frame): Set defaults for all register records.
3921 (execute_one_ia64_descriptor): Execute one descriptor record.
3922 (rse_address_add): Calculate the position of a local reg in memory.
3923 (normalize_reg_loc): Turn a location descriptor into a memory address.
3924 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3925 within a specified PC offset range.
3926 (get_real_reg_value): Given a register location, retrieve its value.
3927 (set_real_reg_value): Change the value of a register location.
3928 (copy_reg_value): Copy reg values, if needed.
3929 (copy_saved_reg_state): Copy all registers that need to be copied.
3930 (process_state_between): Normalize all frame register records that
3931 fall within the specified PC range.
3932 (frame_translate): Take a processed frame description, and turn
3933 everything into addresses.
3934 (build_ia64_frame_state ): Find and create frame state record for a PC.
3935 (get_personality): Get the personality routine for a given frame.
3936 (get_except_table): Get the exception table for a given frame.
3937 (record_name): Unwind record names for debugging.
3938 (print_record): Print and unwind record.
3939 (print_all_records): Print an entire unwind image.
3940 (__ia64_backtrace): Print a backtrace.
3941 (ia64_backtrace_helper): New function.
3942 (__register_frame_info_aux): New function.
3943 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3945 * frame.h (enum unw_record_type): New unwind record types.
3946 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3947 (struct unw_r_record, unwind_record): New unwind record structs.
3948 (struct unwind_info_ptr): Unwind information layout.
3949 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3951 (struct ia64_reg_loc): Register location description.
3952 (struct ia64_frame_state): Location of all registers in a frame.
3953 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3954 * libgcc2.c (__ia64_personality_v1): Personality routine.
3955 (__calc_caller_bsp): Calculate the bsp register for the caller's
3957 (ia64_throw_helper): Figure out who to return to and set up the
3959 (__throw): Throw routine.
3961 * output.h (assemble_eh_align, assemble_eh_label): New functions
3962 to generate EH info where we want it.
3963 (assemble_eh_integer): New function.
3964 * toplev.c (compile_file): Output module level exception table for
3966 (main): Set exceptions_via_longjump and flag_new_exceptions based
3967 on IA64_UNWIND_INFO too.
3969 * varasm.c (assemble_eh_label): Generate a label via
3970 ASM_OUTPUT_EH_LABEL if it has been specified.
3971 (assemble_eh_align): Generate an alignment directive via
3972 ASM_OUTPUT_EH_ALIGN if it has been specified.
3973 (assemble_eh_label): Generate an integer value via
3974 ASM_OUTPUT_EH_type if they have been specified.
3975 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3976 (ia64_init_builtins): Add __builtin_ia64_bsp
3977 and __builtin_ia64_flushrs.
3978 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3979 IA64_BUILTIN_FLUSHRS.
3980 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3981 IA64_BUILTIN_FLUSHRS.
3983 * config/ia64/ia64.md (flushrs): New insn to flush the register
3984 stack. Add to unspec list.
3986 * config/ia64/crtbegin.asm (frame_object): Change size.
3987 (__do_frame_setup_aux): New function.
3988 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3989 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3990 * Makefile.in (LIB2ADDEH): Add.
3991 (LIB2ADD): Use LIB2ADDEH.
3993 2000-05-24 Richard Henderson <rth@cygnus.com>
3995 * recog.c (offsettable_address_p): If mode size is zero, assume
3998 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4000 * configure.in: Check for -Wno-long-long option support and improve
4001 handling of warning CFLAGS for stages 1 and 2.
4002 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4003 * configure: Regenerate.
4005 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4007 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4008 * contrib.texi: New file.
4010 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4012 * loop.c (basic_induction_var): Avoid double recording of an increment.
4014 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4016 * Back out this patch:
4017 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4018 * loop.h (struct induction): Add multi_insn_incr.
4019 * loop.c (basic_induction_var): New multi_insn_incr argument.
4020 Set it if we search back through previous insns for the biv.
4021 (record_biv): New multi_insn_incr argument; fill in struct induction.
4022 (strength_reduce): Discard an iv with multiple bivs, any of
4023 which require multiple insns to increment.
4025 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4027 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4029 * rtl.h (loc_mentioned_in_p): Declare.
4030 * reload.c (loc_mentioned_in_p): Moved from here...
4031 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4032 Fix loop increment for 'E' handling.
4033 * loop.c (strength_reduce): When doing biv->giv conversion,
4034 take multi-insn biv increments into account.
4036 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4038 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4041 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4043 * calls.c (expand_call): Handle cleanups in tail-recursion
4044 arguments analagously to cleanups in sibling calls.
4046 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4048 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4049 All callers changed.
4051 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4053 * expr.c (expand_assignment, store_expr, expand_expr,
4054 expand_expr_unaligned): Set in_check_memory_usage while emitting
4055 chkr_check_addr libcall.
4057 2000-05-24 Nick Clifton <nickc@cygnus.com>
4059 * fold-const.c (extract_muldiv): When constructing a
4060 multiplier/divisor, do not expect const_binop to correctly
4061 determine if overflow has occured, so check explicitly.
4063 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4065 * c-decl.c (build_enumerator): Don't modify the value's type,
4068 2000-05-24 Andreas Jaeger <aj@suse.de>
4070 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4072 2000-05-24 Eric Christopher <echristo@cygnus.com>
4074 * configure.in: Redefine inhibit_libc conditions.
4075 * libgcc2.c: Remove inhibit_libc conditional define.
4076 * configure: Regenerate.
4078 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4080 * configure.in: For --enable-languages=LIST, check for empty LIST.
4081 * configure: Regenerate.
4083 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4085 * pdp11.h (STACK_BOUNDARY): Define.
4087 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4089 * ifcvt.c (if_convert): Update life info globally.
4091 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4093 * emit-rtl.c (unshare_all_decls): New function.
4094 (unshare_all_rtl): Call it.
4096 2000-05-23 Nick Clifton <nickc@cygnus.com>
4098 * configure.in: Treat 'strongarm' as if it were 'arm' when
4099 determining cpu type.
4101 * configure: Regenerate.
4103 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4104 where constant strings are involved.
4106 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4109 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4110 cases where constant strings are involved.
4112 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4114 * config/sh/sh.c (gen_far_branch, split_branches): Update
4115 to reflect new prototypes for redirect_jump and invert_jump.
4116 (sh_insn_length_adjustment): Get rid of const warnings.
4118 2000-05-23 Kazu Hirata <kazu@hxi.com>
4120 * invoke.texi (Options for Debugging Your Program or GCC): Update
4121 the names of dump files.
4123 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4125 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4126 * configure: Regenerated.
4128 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4130 * simplify-rtx.c (SIGN_EXTEND): New macro.
4131 (simplify_unary_operation, simplify_binary_operation,
4132 simplify_relational_operation): Use SIGN_EXTEND. Make low
4133 halves of (low, high) pairs unsigned if they weren't already.
4134 (simplify_ternary_operation): Cast INTVAL to unsigned before
4135 comparing to a MODE_BITSIZE.
4137 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4139 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4140 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4142 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4143 gcc_AC_NEED_DECLARATIONS.
4145 * dwarfout.c: Don't prototype time().
4147 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4149 * system.h: Likewise.
4151 * toplev.c: Likewise.
4153 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4155 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4157 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4159 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4161 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4163 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4165 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4167 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4168 (alpha_start_function): Never write ..ng label if VMS or NT.
4169 (alpha_align_insns): Remove GP_IN_USE arg.
4170 Alignment now unsigned.
4171 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4172 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4173 and two define_insn's.
4175 2000-05-22 Richard Henderson <rth@cygnus.com>
4177 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4179 2000-05-22 Richard Henderson <rth@cygnus.com>
4181 * stor-layout.c (place_field): Change rli->size to rli->offset.
4183 2000-05-22 Richard Henderson <rth@cygnus.com>
4185 * function.c (thread_prologue_and_epilogue_insns): Make sure
4186 existing line number notes appear after the prologue.
4188 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4190 * config/alpha/alpha.c (alpha_fnname): New static variable.
4191 (print_operand, case '~'): New case.
4192 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4193 (alpha_start_function): Set alpha_fnname.
4194 Write "ng" label if no ldgp; don't write ldgp insn.
4195 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4196 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4198 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4200 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4203 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4205 * varasm.c (eh_frame_section): Revert change to argument list.
4207 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4209 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4210 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4212 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4213 dangling "else" that causes "break" to be conditional.
4214 Also remove unneeded code at start.
4216 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4218 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4219 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4220 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4222 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4224 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4227 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4229 * alias.c (record_component_aliases): New function.
4230 * tree.h: Clean up some declarations and comments.
4231 (record_component_aliases): New declaration.
4232 * tree.c (get_alias_set): If type and has alias set, use it.
4234 2000-05-22 Richard Henderson <rth@cygnus.com>
4236 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4237 IF_THEN_ELSE to a setcc form.
4238 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4240 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4242 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4243 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4245 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4247 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4250 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4252 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4253 * config/mn10300/mn10300.c (print_operand): Likewise.
4255 * final.c (split_double): Right shift of negative values is not
4258 * ifcvt.c (if_convert): Scan and kill dead code.
4260 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4262 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4264 * diagnostic.c: Eliminate implicit int.
4265 * except.c, gcc.c: Add static prototypes.
4266 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4267 * gensupport.c (process_rtx): Use XVEC to initialize vector
4270 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4271 debug_reg_names instead of static reg_names. If not, define
4273 * regclass.c: Don't define global reg_names unless
4274 DEBUG_REGISTER_NAMES is defined.
4276 * reload1.c (order_regs_for_reload): Remove unused variable.
4277 * varasm.c: Include output.h after defaults.h. Define
4278 eh_frame_section as function of no args, not of unspecified args.
4280 * gcc.c: Constify argbuf; arguments to store_arg,
4281 process_command, main; elements of struct command and struct
4282 switchstr; local variables in execute, process_command, main.
4284 2000-05-20 Bruce Korb <bkorb@gnu.org>
4286 * fixinc/inclhack.def: many applications of c_fix=format + tests
4287 * fixinc/check.diff: regenerated
4288 * fixinc/fixincl.x: regenerated
4290 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4292 * alias.c: Clarify some comments.
4293 (record_base_value): REGNO is unsigned.
4294 * rtl.h (record_base_value): Likewise.
4296 * alias.c (aliases_everything_p): Don't special-case QImode here.
4297 * c-common.c (c_get_alias_set): Do it here.
4298 Handle BIT_FIELD_REF by getting alias info for arg.
4301 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4303 * mklibgcc.in: Restore rule to create ${dir}.
4305 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4307 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4308 GCC_FOR_TARGET used by MULTILIBS.
4309 * mklibgcc.in: Make sure each .o file depends on the
4310 directory it will be in.
4311 Make the multilib directory depends libgcc.
4313 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4315 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4317 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4319 * fold-const.c (make_range): Handle degenerated intervals.
4320 Fixes c-torture/execute/991221-1.c
4322 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4324 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4325 * reload.c (find_equiv_reg): Likewise.
4326 * alias.c (init_alias_analysis): Likewise.
4327 Only call prologue_epilogue_contains on insns.
4328 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4329 * bb-reorder.c (hard-reg-set.h): Include earlier.
4330 * haifa-sched.c (hard-reg-set.h): Likewise.
4331 * ifcvt.c (hard-reg-set.h): Likewise.
4332 * local-alloc.c (hard-reg-set.h): Likewise.
4333 * loop.c (hard-reg-set.h): Likewise.
4334 * predict.c (hard-reg-set.h): Likewise.
4335 * regrename.c (hard-reg-set.h): Likewise.
4336 * flow.c (hard-reg-set.h): Likewise.
4337 (reg_set_to_hard_reg_set): New function.
4338 * bitmap.c (regs.h, basic-block.h): No longer include.
4339 (bitmap.h): Now include.
4340 * conflict.c (hard-reg-set.h): Include.
4341 * profile.c (hard-reg-set.h): Likewise.
4342 * print-rtl.c (hard-reg-set.h): Likewise.
4343 * sbitmap.c (hard-reg-set.h): Likewise.
4344 * toplev.c (hard-reg-set.h): Likewise.
4345 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4346 * hard-reg-set.h (reg_names): Now constant.
4347 * regs.h (reg_names): Likewise.
4348 * regclass.c (reg_names): Likewise.
4349 * loop.h (basic-block.h): No longer include.
4350 (bitmap.h): Now include.
4351 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4352 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4353 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4355 2000-05-19 Jan Hubicka <jh@suse.cz>
4356 Richard Henderson <rth@cygnus.com>
4358 * basic-block.h (struct edge_def): New field "count".
4359 (struct basic_block_def): Likewise.
4360 * flow.c (entry_exit_blocks): Add count fileds.
4361 (split_edge): Keep count information up-to-date.
4362 (dump_edge_info, dump_flow_info): Dump count fields.
4364 * final.c (count_instrumented_edges): Rename to edge from arc.
4365 (end_final): Update users.
4366 * profile.c: Include expr.h, basic-block.h.
4367 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4368 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4369 (ignore_next_note, return_label_execution_count): Kill.
4370 (bbg_file_name, da_file_name): Kill.
4371 (edge_info, bb_info): New structures.
4372 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4373 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4374 (total_num_edges_instrumented): Likewise.
4375 (init_arc, expand_spanning_tree): Kill.
4376 (fill_spanning_tree, tablejump_entry_p): Kill.
4377 (instrument_edges): Rewrite from instrument_arcs to use
4378 commit_edge_insertions infrastructure.
4379 (compute_branch_probabilities): Remove arguments; rewrite for
4380 CFG infrastructure; use rtl_dump_file directly.
4381 (branch_prob, find_spanning_tree): Likewise.
4382 (union_groups, find_group): New.
4383 (init_branch_prob): Make bbg_file_name and da_file_name local.
4384 (end_branch_prob): Use rtl_dump_file directly.
4385 (init_edge_profiler): Rename to edge from arc.
4386 (output_arc_profiler): Kill.
4387 (gen_edge_profiler): New.
4388 (output_func_start_profiler): Turn off profiling. Make the
4389 constructor static when we can.
4390 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4392 * toplev.c (DFI_flow): Remove.
4393 (DFI_cfg, DFI_life): New.
4394 (dump_file): Update accordingly.
4395 (compile_file): Call end_branch_prob if profile_arc_flag too.
4396 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4397 profiling after the CFG is built. Move flow1 life analysis to
4398 DFI_life. Always estimate remaining probabilities.
4400 2000-05-19 Richard Henderson <rth@cygnus.com>
4402 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4404 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4406 2000-05-19 Richard Henderson <rth@cygnus.com>
4408 * jump.c (redirect_jump): Add delete_unused argument. Don't
4409 remove labels and code following when LABEL_NUSES goes to zero.
4410 (invert_jump): Likewise.
4411 (jump_optimize_1): Fix redirect/invert arguments.
4412 (do_cross_jump, thread_jumps): Likewise.
4413 * flow.c (split_edge): Likewise.
4414 * reorg.c (optimize_skip): Likewise.
4415 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4416 * profile.c (instrument_arcs): Likewise.
4417 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4418 * rtl.h: Update prototypes.
4420 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4422 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4424 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4427 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4429 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4430 past l1 when deleting whitespace and markers.
4432 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4433 * cpplib.c (do_unassert): Put the list to compare against on
4436 2000-05-19 Bruce Korb <bkorb@gnu.org>
4438 * fixinc/README: cleaned up old documentation
4439 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4440 * fixinc/check.tpl: compute the list of needed directories
4441 emit "#if defined(name)" because of conflict
4442 omit machine name differences from output differences
4443 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4444 (machine_name): change test text to use `sed' markers
4445 * fixinc/fixincl.x: regen
4447 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4449 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4452 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4454 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4455 it to match the current practice.
4457 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4459 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4461 2000-05-18 Richard Henderson <rth@cygnus.com>
4463 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4464 * rtl.h (insn_dependant_p): Declare it.
4465 * loop.c (strength_reduce): Use it.
4467 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4469 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4470 16-bit and 64-bit clean-up.
4472 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4474 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4475 * configure: Rebuilt.
4477 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4479 * genopinit.c: Use $ for escape sequences in optab patterns.
4480 Remove backslashes from optab patterns. Change $A, $B, $C to
4481 expand to (int) whatever instead of just whatever; remove
4482 explicit (int) from all optab patterns.
4484 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4485 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4486 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4487 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4490 2000-05-18 Richard Henderson <rth@cygnus.com>
4492 * jump.c (jump_optimize_1): Base minimum insn count during
4493 find_cross_jump on BRANCH_COST.
4495 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4497 * print-rtl.c (print_rtx): Only print note line number as string
4498 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4499 * final.c (final_scan_insn): Do nothing for note line number 0.
4501 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4503 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4504 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4505 NOTE_INSN_DELETED_LABEL.
4507 2000-05-18 Nick Clifton <nickc@cygnus.com>
4509 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4510 uninitialised data in .rodata not .bss, and do not interpret an
4511 error in the initialisation value as meaning that the variable
4512 should be placed in the .bss section.
4514 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4516 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4517 not `$ac_cv_prog_cc_cc_c_o'.
4518 * configure: Regenerated.
4520 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4521 Richard Henderson <rth@cygnus.com>
4523 * c-common.h (enum c_tree_index): Add g77 type entries.
4524 (g77_integer_type_node, g77_uinteger_type_node): New.
4525 (g77_longint_type_node, g77_ulongint_type_node): New.
4526 * c-decl.c (init_decl_processing): Initialize them.
4528 2000-05-18 Richard Henderson <rth@cygnus.com>
4530 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4532 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4533 (small_power_of_two): Likewise; use exact_log2.
4534 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4535 (output_adds_subs): Remove.
4536 (two_insn_adds_subs_operand): New.
4537 (split_adds_subs): New.
4538 * config/h8300/h8300-protos.h: Update.
4539 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4540 (CONST_OK_FOR_L): Match strict adds operands.
4541 (CONST_OK_FOR_N): Match struct subs operands.
4542 * config/h8300/h8300.md (adds_subs insns): Remove.
4543 (addhi patterns): Output adds/subs directly.
4544 (addsi_h8300h): Likewise.
4545 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4547 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4549 * cppexp.c (parse_assertion): New.
4550 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4551 (_cpp_parse_expr): Remove case '#'. Don't set
4552 parsing_if_directive.
4553 * cpphash.c (collect_objlike_expansion,
4554 collect_funlike_expansion, collect_params,
4555 _cpp_create_definition): The list no longer has a trailing
4557 * cpphash.h (enum node_type): Add T_ASSERTION.
4558 (struct hashnode): Remove aschain, add pred.
4559 (struct predicate): New.
4562 * cpplex.c (expand_token_space): Handle both offset and
4564 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4565 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4566 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4567 _cpp_equiv_toklists): New.
4568 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4569 stop at any single-character token, not just newline.
4570 (_cpp_lex_token): Remove special cases for #define and #if.
4571 (cpp_get_token): Expect # as a separate token type. Remove
4573 (_cpp_get_directive_token): Remove DIRECTIVE case.
4574 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4576 * cpplib.c (_cpp_check_directive): Set dirno and
4577 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4578 (_cpp_handle_directive): Run # <number> through the same logic
4579 as normal directives.
4580 (do_define): Don't set parsing_define_directive. Use
4581 _cpp_scan_until. The list does not have a VSPACE at the end.
4582 (do_if): Save, clear, and restore only_seen_white around
4584 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4585 (do_assert, do_unassert): Rewrite.
4587 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4588 (LIST_OFFSET): New flag.
4589 (struct cpp_toklist): Replace dir_handler and dir_flags with
4591 (struct cpp_reader): Remove parsing_if_directive and
4592 parsing_define_directive.
4594 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4596 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4597 following the cabs decl which terminate on the following line.
4598 Add the corresponding test_text case.
4600 2000-05-18 Neil Booth <NeilB@earthling.net>
4602 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4603 default tab stop size.
4604 (no_num, OPT_ftabstop): New.
4605 (handle_option): Handle "ftabstop=" command-line option.
4606 (print_help): Document it.
4607 * cpplex.c (COLUMN): Remove.
4608 (handle_newline): Reset col_adjust.
4609 (skip_whitespace): Update col_adjust as tabs encountered.
4610 (_cpp_lex_line): Update to use col_adjust. Call
4611 skip_whitespace for all whitespace.
4612 * cpplib.h (struct cpp_options): New member tabstop.
4613 (struct cpp_reader): New member col_adjust.
4614 (CPP_BUF_COL): Update.
4615 (CPP_BUF_COLUMN): New.
4616 * cpp.texi: Document "-ftabstop=" command line option.
4618 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4620 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4622 * configure: Rebuilt.
4624 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4626 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4628 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4629 HOST_BITS_PER_WIDE_INT is >= 64.
4631 2000-05-17 Richard Henderson <rth@cygnus.com>
4633 * jump.c (jump_optimize_1): Remove inactive but real insns
4634 in jump-to-next-insn optimization.
4636 2000-05-17 Richard Henderson <rth@cygnus.com>
4638 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4639 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4640 Don't call recompute_reg_usage if no_new_pseudos is true.
4641 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4642 Return true if we did work; update global life information.
4643 * basic-block.h (optimize_mode_switching): Update decl.
4645 2000-05-17 Neil Booth <neilb@earthling.net>
4647 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4649 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4651 * cpplib.c: New feature, #pragma system_header.
4652 * cpp.texi: Document special treatment of system headers, and
4653 the various mechanisms to get a header that special treatment.
4655 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4657 * system.h (offsetof): Define at the very end, to ensure we prefer
4658 the platform's definition if available.
4660 2000-05-16 Bruce Korb <bkorb@gnu.org>
4662 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4663 * fixinc/server.c: likewise
4664 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4665 + #ifdef debugging code + use #def constant for
4667 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4668 on C++ math namespace
4670 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4672 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4673 Don't check the return value of sprintf. Use asprintf to avoid
4676 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4678 * flags.h (warn_unused_function, warn_unused_label,
4679 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4680 Replace ``warn_unused''.
4681 (set_Wunused): Add declaration.
4682 * toplev.c (set_Wunused): New function.
4683 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4684 warn_unused_variable, warn_unused_value): New variables.
4685 (W_options): Add -Wunused-function, -Wunused-function,
4686 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4687 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4689 * toplev.c (decode_W_option): Update -Wunused flags by calling
4691 * c-decl.c (c_decode_option): Ditto for -Wall.
4693 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4694 warn_about_unused_variables): Replace warn_unused with more
4695 explicit warn_unused_value et.al.
4696 * function.c (expand_function_end): Ditto.
4697 * c-typeck.c (internal_build_compound_expr,
4698 internal_build_compound_expr): Ditto.
4699 * c-decl.c (poplevel, pop_label_level): Ditto.
4700 * toplev.c (check_global_declarations): Replace warn_unused with
4701 check for either warn_unused_function or warn_unused_variable.
4703 * gcc.1, invoke.texi (Warning Options): Document
4704 -Wunused-function, -Wunused-function, -Wunused-label,
4705 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4707 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4709 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4710 $(srcdir), not in the current directory.
4712 2000-05-16 Richard Henderson <rth@cygnus.com>
4714 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4715 assembler supports it.
4716 (.fini, .init): Use a gp-relative indirect call.
4717 (__do_global_dtors_aux): Preserve the gp; rebundle.
4718 (__do_frame_setup): Likewise.
4719 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4720 (.init): Use a gp-relative indirect call.
4721 (__do_global_ctors_aux): Preserve the gp.
4723 2000-05-16 Richard Henderson <rth@cygnus.com>
4725 * flow.c (commit_one_edge_insertion): Be prepared for a return
4726 insn to be inserted on the edge with a normal jump.
4727 * jump.c (jump_optimize_1): Don't look to create return isns.
4729 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4730 * jump.c (jump_optimize_1): Likewise.
4731 (returnjump_p): Verify the argument is a JUMP_INSN.
4732 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4734 2000-05-16 Nick Clifton <nickc@cygnus.com>
4736 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4737 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4738 (large_insn_p): Ditto.
4739 (m32r_is_insn): New function: Return true if the insn contains
4740 an executable instruction.
4741 (m32r_adjust_insn): Use m32r_is_insn.
4742 (m32r_sched_reorder): Use m32r_is_insn.
4743 (m32r_sched_variable_issue): Use m32r_is_insn.
4745 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4747 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4750 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4752 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4753 according to given options.
4755 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4757 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4758 if X has VOIDmode either.
4759 (LIMIT_RELOAD_CLASS): Similarly.
4761 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4762 not "general_operand" to match the processor's capabilities.
4764 2000-05-16 Bruce Korb <bkorb@gnu.org>
4766 * fixinc/README: corrected return address
4767 * fixinc/check.diff: regenerate, now that test works
4768 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4769 (char_macro_def_fix,char_macro_use_fix): corrected and
4770 rewrote to use regex to parse the text
4771 * fixinc/inclhack.def: more testing
4772 * fixinc/fixincl.x: regenerated
4774 * fixinc/inclhack.def: added several "test_text" attributes
4775 changed several fixes to use `c_fix = format'
4776 re-alphabetized the fixes
4778 * fixinc/check.diff: regenerate
4779 * fixinc/fixincl.x: regenerate
4780 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4784 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4786 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4788 2000-05-15 Richard Henderson <rth@cygnus.com>
4790 * toplev.c (rest_of_compilation): Run full jump pass before
4791 find_basic_blocks of flow2.
4793 2000-05-15 Richard Henderson <rth@cygnus.com>
4795 * jump.c: Fix typos and clarify commentary from last change.
4796 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4797 (safe_to_remove_jump_p): Remove.
4798 (condjump_label): Use pc_set.
4800 2000-05-15 Richard Henderson <rth@cygnus.com>
4802 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4803 that get in the way after reload.
4804 (cond_exec_process_if_block): Skip a label heading THEN block.
4806 2000-05-15 Richard Henderson <rth@cygnus.com>
4808 * varasm.c (output_constant_pool): Abort instead of converting
4809 (improperly) deleted labels to zero.
4811 2000-05-16 Neil Booth <NeilB@earthling.net>
4813 * cpplex.c (parse_string2): Update comment.
4814 (cpp_lex_line): No special assertion treatment for '('.
4815 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4816 * cpplib.h (SYNTAX_ASSERT): Remove.
4818 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4820 * jump.c (condjump_p): Mark as depreached.
4821 (any_condump_p): New.
4822 (any_uncondump_p): New.
4824 (safe_to_remove_jump_p): New.
4825 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4826 safe_to_remove_jump_p): Declare.
4828 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4830 * calls.c: Re-install both patches reverted by last patch.
4831 (struct arg_data): New field tail_call_reg.
4832 (initialize_argument_information): Initialize tail_call_reg
4833 (load_register_parameters): New argument flags, use
4834 tail_call_reg when emiting tail call sequence.
4835 (expand_call): Update call of load_register_parameters;
4836 copy unadjusted_args_size to adjusted_args_size.
4838 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4840 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4841 and bct_p parameters to flags.
4842 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4843 * rtl.h (loop_optimize): Update prototype.
4844 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4846 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4848 * calls.c (expand_call): Move expand_start_target_temps call after
4851 2000-05-15 Neil Booth <NeilB@earthling.net>
4853 * cpphash.c (trad_stringify, warn_trad_stringify,
4854 collect_params): Make some pointers pointers to const.
4855 * cpplex.c (auto_expand_name_space) Guaranteed to always
4856 expand by at least one character.
4857 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4858 (struct token_spelling): Use const U_CHAR * rather than PTR.
4859 (expand_name_space): Fix up token pointers if name space
4860 is moved when expanding.
4861 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4862 parse_string2, save_comment, spell_token, cpp_output_list):
4863 Update so the routines handle tokens with a direct pointer to
4864 their text, rather than an offset into the token's list's namebuf.
4865 (_cpp_lex_line): Rearrange for clarity.
4867 * cpplib.c (_cpp_check_directive): Similarly.
4868 (do_define): Make SYM a pointer to const.
4869 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4870 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4871 (TOK_OFFSET): Delete.
4874 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4876 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4879 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4881 (logical_u_operand): Delete.
4882 (non_logical_cint_operand): Rewrite to take MODE into account.
4883 (non_logical_u_cint_operand): Delete.
4884 (boolean_operator): New function.
4885 (print_operand): Add new %q operand.
4886 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4887 remove logical_u_operand and non_logical_u_cint_operand,
4888 update logical_operand and non_logical_cint_operand.
4889 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4890 logical operations to use %q.
4892 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4893 (movdi): Make similar to movsi.
4894 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4895 is no such thing as a DImode CONST_DOUBLE.
4896 * config/rs6000/rs6000.c (output_toc): Likewise.
4898 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4899 codes when old mnemonics are in use. Print register names
4900 for cc registers when requested.
4902 * optabs.c (expand_float): Don't allow mode widening that causes
4905 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4906 flags to their current names -maix64 and -maix32.
4908 2000-05-14 Bruce Korb <bkorb@gnu.org>
4910 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4911 and/or after current text of file
4912 * fixinc/fixlib.c(must_malloc):
4913 * fixinc/fixlib.h(must_malloc): + reformatting
4914 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4915 with usages of ``c_fix = wrap;''
4916 Add several tests and use the ``c_fix = format'' fixer more.
4917 * fixinc/fixincl.x: regen
4918 * fixinc/check.diff: regen
4919 * fixinc/check.tpl: emit the associated header with the missing
4922 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4924 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4925 variables $src and $dst.
4927 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4929 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4930 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4931 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4932 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4934 (set_message_prefixing_rule): Declare.
4936 * diagnostic.c: (current_prefixing_rule): New variable.
4937 (set_message_prefixing_rule): Define.
4938 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4939 (init_output_buffer): Adjust Initialization.
4940 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4942 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4944 * ifcvt.c (if_convert): Do not free NULL.
4946 2000-05-12 Nick Clifton <nickc@cygnus.com>
4948 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4949 to move a double word value.
4950 (di_operand): New function: Return true if the operand is suitbale
4951 for a double word move operation.
4952 (nonimmediate_di_operand): New function: Return true if the
4953 operand is a DImode register or MEM.
4955 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4956 nonimmediate_di_operand.
4958 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4959 nonimmediate_di_operand.
4961 * config/fr30/fr30.md (movdi): New pattern. Required because
4962 other patterns generate DImode results.
4963 (movdi_insn): New pattern.
4965 2000-05-12 Richard Henderson <rth@cygnus.com>
4967 * config/alpha/alpha.c (struct shadow_summary): Define
4968 bitfields as type unsigned int.
4970 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4972 * config/avr/t-avr: Added definition of FLOAT while generates
4975 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4976 peepholes for tst+jump = sbrs/sbrc optimization.
4978 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4980 * expr.c (emit_push_insn): Do not adjust stack pointer when
4983 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4985 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4986 * system.h (offsetof): ... to here.
4988 2000-05-12 Richard Henderson <rth@cygnus.com>
4990 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4991 * final.c (final_end_function): Use app_disable. Rearrange note
4992 handling into a switch. Emit deleted labels.
4993 (output_asm_label): Generate label strings for deleted labels.
4994 * flow.c (tail_recursion_label_list): New.
4995 (find_basic_blocks_1): Set label_value_list directly. Collect list
4996 of tail recursion labels from call_placeholders. Don't add deleted
4997 labels to the label value list.
4998 (cleanup_cfg): Use free_EXPR_LIST_list.
4999 (flow_delete_insn_chain): Turn non-removable labels into notes.
5000 (flow_delete_block): Don't disable deleting the block because of
5001 a non-removable label.
5002 (tail_recursion_label_p): New.
5003 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5005 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5007 (merge_blocks): Disable a merge because of tail recursion labels.
5008 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5009 Use a more accurate measure of not merging the join block.
5010 (find_if_block): Don't disable conversion because of a label.
5011 (find_if_case_1, find_if_case_2): Likewise.
5012 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5013 element when copying.
5014 (squeeze_notes): Also leave EH notes.
5015 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5017 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5019 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5020 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5021 referring to a deleted label. Convert tail handling to a switch.
5022 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5023 for NOTE_INSN_DELETED_LABEL.
5024 (NOTE): Fix commentary.
5025 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5026 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5027 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5028 (LABEL_NUSES, LABEL_REFS): Likewise.
5029 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5031 2000-05-12 Bruce Korb <bkorb@gnu.org>
5033 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5034 * fixinc/check.diff: updated
5035 * fixinc/inclhack.def: corrected & added some test_text-s
5036 * fixinc/genfixes: removed unneeded options to autogen invocation
5037 * fixinc/fixincl.tpl: Specified the output file
5038 * fixinc/fixfixes.c: visual appearance
5039 * fixinc/fixincl.x: regenerate
5041 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5043 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5044 CTRL_defn_fix): Delete.
5045 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5046 char_macro_def_fix and char_macro_use_fix, respectively. Put
5047 them into the FIXUP_TABLE. Get the string to search for from
5050 (format_write): New function.
5051 (format_fix): Use it.
5053 (FIX_PROC_HEAD): Constify text parameter.
5054 (machine_name_fix): Constify all char *s.
5055 * fixtests.c (skip_quote): Remove double static.
5057 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5058 ctrl_use_quotes): Update for new scheme.
5059 * fixincl.x: Regenerate.
5061 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5063 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5065 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5066 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5068 2000-05-11 Robert Lipe <robertlipe@usa.net>
5070 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5071 * fixincl.x: Regenerate.
5073 2000-05-11 Richard Henderson <rth@cygnus.com>
5075 * calls.c: Revert both 05-09 patches.
5077 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5079 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5081 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5084 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5085 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5087 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5089 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5091 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5093 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5095 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5097 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5098 * config/avr/avr.c (jump_over_one_insn_p): New function.
5099 * config/avr/avr.md: New peepholes added. Output test and
5100 conditional jump to "sbrc" or "sbrs" command.
5102 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5104 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5106 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5108 * except.c (find_exception_handler_labels_1): New function.
5109 (find_exception_handler_labels): Split into two functions, dive
5110 into CALL_PLACEHOLDERs when looking for exception handler labels.
5112 2000-05-11 Stan Cox <scox@cygnus.com>
5114 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5115 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5116 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5118 2000-05-11 Bruce Korb <bkorb@gnu.org>
5120 * fixinc/fixfixes.c (double_slash_fix): obsolete
5121 (else_endif_label_fix): obsolete
5122 (format_fix): new, unused as yet
5124 * fixinc/fixlib.h: added fix description struct for use by format_fix
5125 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5126 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5127 modules. Removed the vestiges of the script version.
5128 Added support for "make check".
5129 * fixinc/check.diff: base diff file (needs work!!)
5130 * fixinc/check.tpl: quiet the fixup output
5131 * fixinc/fixtests.c (main): obsolete
5132 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5133 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5135 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5137 * toplev.c (rest_of_compilation): Remove dead code after
5140 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5142 * cpphash.c (collect_funlike_expansion): Make "# is not
5143 followed by a macro argument name" a pedwarn, not an error.
5144 Preserve the # in the output. Suppress the warning if lang_asm.
5146 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5148 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5149 * configure: Rebuilt.
5151 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5153 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5155 2000-05-10 Kazu Hirata <kazu@hxi.com>
5157 * combine.c (try_combine): Fix a typo.
5159 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5161 * config/ia64/ia64.md (insv): Add comment.
5163 2000-05-10 Richard Henderson <rth@cygnus.com>
5165 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5166 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5167 dependancies on FPBIT and DPBIT.
5169 2000-05-10 Nick Clifton <nickc@redhat.com>
5171 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5172 when optimising for size.
5173 (mark_used_regs:) Ditto.
5174 (try_pre_increment_1): Ditto.
5176 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5178 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5179 Make error message friendlier.
5181 * cpphash.h (struct hashnode): Use struct hack for name
5183 * cpphash.c (struct hashdummy): New.
5184 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5185 (make_HASHNODE): No need to set ->name pointer. Correct
5187 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5189 2000-05-10 Richard Henderson <rth@cygnus.com>
5191 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5194 2000-05-10 Bruce Korb <bkorb@gnu.org>
5196 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5198 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5200 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5201 after we enter .debug.
5203 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5205 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5206 abstract instance of a nested inline function.
5208 * stor-layout.c (finish_record_layout): finalize_type_size
5209 before laying out the pending_statics.
5211 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5213 * cpplex.c (spell_token): New function.
5214 (spell_string, spell_comment, spell_name): fold into
5217 (E, H): Remove macros.
5218 (save_comment): Save comment opening characters too.
5219 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5221 * cpplib.h (I, S): Add macros.
5222 (E, H): Remove macros.
5223 (TTYPE_TABLE): Update entries for new speller.
5224 (SYNTAX_ASSERT): Remove.
5226 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5228 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5229 when removing escaped newlines. Reverse sense of test for
5232 2000-05-09 Richard Henderson <rth@cygnus.com>
5234 * flow.c (find_basic_blocks_1): Do not delete the first
5235 bb_note we run across.
5236 (create_basic_block): Use reorder_insns to move an existing
5237 bb_note to the correct place.
5239 2000-05-09 Richard Henderson <rth@cygnus.com>
5241 * calls.c (expand_call): Increment currently_expanding_call
5242 before calling optimize_tail_recursion.
5244 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5246 * reload1.c (reload_combine): Fix errors in last change.
5248 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5250 * gcc.c (used_arg): Skip over a semicolon at the end of the
5251 split-up loop; don't break out of it.
5253 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5254 (tree.o): Depend on output.h.
5256 * c-decl.c (pending_invalid_xref_file,
5257 current_function_prototype_file): Constify.
5258 (pushdecl): Constify a local char *.
5259 (define_label): Constify filename parameter.
5260 * c-lex.c (init_parse): Constify parameter and return value.
5261 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5262 * c-tree.h: Update prototypes.
5263 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5264 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5265 objc/objc-parse.c: Regenerate.
5267 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5268 * dwarfout.h: Update prototypes.
5269 * expr.c (expand_expr): Constify a local char *.
5270 * flags.h: Constify main_input_filename.
5271 * function.c (expand_function_end): Constify filename parameter.
5272 * genrecog.c (make_insn_sequence): Use a character array for
5274 (main): Remove unused variables.
5275 * input.h: Constify input_filename, main_input_filename, and
5276 file_stack.name. Update prototypes.
5277 * output.h: Declare first_global_object_name and
5278 weak_global_object_name here, as const char *.
5279 * stmt.c (expand_asm_operands): Constify filename parameter.
5280 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5281 Constify filename parameter.
5282 (input_filename, main_input_filename): Constify.
5283 * toplev.h: Update prototypes.
5284 * tree.c: Include output.h. Don't declare
5285 first_global_object_name or weak_global_object_name. Clean up string
5286 bashing in get_file_function_name_long.
5287 * tree.h (struct tree_decl): Constify filename member.
5288 (input_filename): Constify.
5290 * varasm.c (first_global_object_name, weak_global_object_name):
5292 (assemble_start_function, assemble_variable): Clean up string bashing.
5294 * gcc.c: Constify all spec-related strings initialized,
5295 transitively, from string constants. Constify all strings
5296 and string variables related to multilibs.
5297 (set_spec, read_specs): Cast argument to free to PTR.
5298 (used_arg): Do not modify multilib_matches. Use strncmp plus
5299 length comparison to compare multilib switches.
5300 * genmultilib: Constify everything declared in multilib.h.
5302 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5304 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5307 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5309 * config/avr/avr-protos.h (extra_constraint): change a type of
5310 second argument from char to int to avoid warnings.
5311 (asm_output_byte): Likewise.
5313 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5314 (initial_elimination_offset): Handle elimination from
5315 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5316 (legitimate_address_p): Use MAX_LD_OFFSET.
5317 (legitimize_address): Likewise.
5318 (out_movqi_r_mr): Likewise.
5319 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5320 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5321 (out_movsi_mr_r): Likewise.
5322 (out_movqi_mr_r): Likewise.
5323 (out_movhi_mr_r): Likewise.
5324 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5325 count as CONST_INT != 6.
5326 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5327 shift count is a CONSTANT_P, but not a CONST_INT.
5328 (ashlhi3_out): Coding style modifications.
5329 (ashlsi3_out): Likewise.
5330 (ashrhi3_out): Likewise.
5331 (ashrsi3_out): Likewise.
5332 (lshrhi3_out): Likewise.
5333 (lshrsi3_out): Likewise.
5334 (ashrqi3_out): Generate shift for any known constant count without
5335 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5336 but not a CONST_INT.
5337 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5338 shift count is a CONSTANT_P, but not a CONST_INT.
5339 (extra_constraint): change a type of
5340 second argument from char to int to avoid warnings.
5341 (asm_output_byte): Likewise.
5342 (asm_file_end): Output size generated commands count as a hex
5345 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5347 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5349 (ashlqi3): Values of "length" attribute changed. Shift count
5350 uses constraints 'n' instead of 'i'.
5351 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5352 shifts without clobber register.
5353 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5354 (call_insn): Correct test for which_alternative == 1 (was 0).
5355 (call_value_insn): Likewise.
5357 * config/avr/t-avr: Remove definition of FLOAT while generates
5360 2000-05-09 Bruce Korb <bkorb@gnu.org>
5362 * fixinc/check.tpl: Template for checking fixes
5363 * fixinc/inclhack.def: Added 'test_text' for many fixes
5364 disable hpux8_bogus_inlines on SCO
5365 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5367 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5369 * calls.c (expand_call): Reorganize somewhat in order
5370 to avoid unnecesary recalculation inside loop and make
5371 tail call failure code cleaner.
5373 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5375 * alias.c (nonlocal_reference_p): Minor reformatting.
5376 * reload.c (find_equiv_reg): Simplify logic for
5377 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5378 some some reformatting.
5379 * reload1.c (reload_combine): Don't assume everything in
5380 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5382 2000-05-08 Richard Henderson <rth@cygnus.com>
5384 * final.c (current_insn_predicate): New.
5385 (final_scan_insn): Set it.
5386 * output.h (current_insn_predicate): Declare.
5388 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5389 Attach it to call insns.
5390 (cond_exec_process_if_block): Track probability for true and
5392 (dead_or_predicable): Likewise.
5394 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5395 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5396 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5397 (estimate_probability, expected_value_to_br_prob): Use them.
5399 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5400 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5401 (ia64_expand_prediction): New.
5402 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5403 as needed after calls.
5404 (ia64_epilogue_uses): Mark b0 used.
5405 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5406 (bne_true, bne_false): Remove.
5407 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5408 (br_true, br_false): New. Use predicate_operator and
5409 ia64_expand_prediction.
5410 (return_true, return_false): Likewise.
5411 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5412 (call_internal1, call_value_internal): Likewise.
5413 (call_value_internal1, call_multiple_values_internal1): Likewise.
5415 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5417 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5419 2000-05-08 Richard Henderson <rth@cygnus.com>
5421 * rtlanal.c (may_trap_p): Consider old-style and volatile
5424 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5426 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5428 2000-05-08 Richard Henderson <rth@cygnus.com>
5430 * config/ia64/ia64.h (predicate_operator): Declare.
5432 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5435 * gensupport.c (process_rtx): Copy and post-process each member
5436 of the define_insn rtvec individually.
5438 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5440 * cpplex.c (spell_token): New function.
5441 (TOKEN_LEN): Add 1 for whitespace.
5442 (_cpp_lex_file): Update to use spell_token.
5443 * cpplib.h (E): Remove.
5444 (TTYPE_TABLE): Update CPP_VSPACE entry.
5446 2000-05-08 Richard Henderson <rth@cygnus.com>
5448 * flow.c (init_propagate_block_info): Watch out for conditional
5449 branch to next instruction, and thus one outgoing edge.
5451 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5452 for global register variables; don't special case __[CD]TOR_LIST__;
5453 mind ggc_p for string allocation.
5455 2000-05-08 Nick Clifton <nickc@cygnus.com>
5457 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5459 2000-05-08 Bruce Korb <bkorb@gnu.org>
5461 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5462 i?86-*-msdosdjgpp* no longer uses fixincludes
5463 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5464 * fixinc/inclhack.sh: deleted
5465 * fixinc/hackshell.tpl: deleted
5466 * fixinc/inclhack.tpl: deleted
5467 * fixinc/Makefile.in: Remove dependencies on above
5468 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5470 2000-05-08 Andreas Jaeger <aj@suse.de>
5472 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5475 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5477 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5480 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5482 * cpplex.c: Move new lexer definitions and prototypes
5483 to top. Conditional include these and the code if
5484 NEW_LEXER is defined. Rename functions whose names
5485 clash if this code included.
5487 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5489 * rtl.def (COND_EXEC): Clarify.
5491 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5492 same fashion as zero_extendsidi2.
5494 2000-05-06 Richard Henderson <rth@cygnus.com>
5496 * config/ia64/ia64.c (predicate_operator): New.
5497 (ia64_print_operand): Handle 'J'.
5498 (rtx_needs_barrier): Handle COND_EXEC.
5499 * config/ia64/ia64.h (BRANCH_COST): Define.
5500 (PREDICATE_CODES): Update.
5501 * config/ia64/ia64.md: Docuement used unspec values.
5502 (attr predicable): New.
5503 (movxf, movxf_internal): New.
5504 (extendsfdf2): Don't comment out nop.
5505 (floatdidf2): Remove.
5506 (truncxfsf2, truncxfdf2, floatdixf2): New.
5507 (abssi2, absdi2): Put the neg in the "true" slot.
5508 (conditional branch instructions): Mark not predicable.
5509 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5510 (abs*_internal): Likewise.
5511 (alloc, set_bsp): Mark not predicable.
5512 (barrier, insn_group_barrier, flush_cache): Likewise.
5513 (define_cond_exec): New.
5515 2000-05-06 Richard Henderson <rth@cygnus.com>
5517 * c-decl.c: Include "tm_p.h".
5519 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5520 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5521 (ia64_expand_op_and_fetch): Declare.
5522 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5523 (setjmp_operand): Constify variables for XSTR.
5524 (ia64_encode_section_info): Likewise.
5525 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5527 (ia64_asm_output_external): Constify name.
5528 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5529 (process_for_unwind_directive): Provide switch default.
5530 (ia64_expand_compare_and_swap): Remove unused variables.
5531 (ia64_expand_builtin): Likewise.
5532 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5535 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5536 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5537 (shift_count_operand, shift_32bit_count_operand): Likewise.
5538 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5539 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5540 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5541 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5542 (ia64_expand_builtin): Likewise.
5543 (call_multiple_values_operation): Make dest_regno unsigned.
5545 2000-05-06 Richard Henderson <rth@cygnus.com>
5547 * rtl.def (DEFINE_COND_EXEC): New.
5548 * md.texi: Document it.
5550 * gensupport.c (input_file): Remove.
5551 (struct queue_elem): Add lineno.
5552 (rtx_ready_queue): Remove.
5554 (predicable_default): New.
5555 (predicable_true, predicable_false): New.
5556 (define_attr_queue, define_attr_tail): New.
5557 (define_insn_queue, define_insn_tail): New.
5558 (define_cond_exec_queue, define_cond_exec_tail): New.
5559 (other_queue, other_tail): New.
5560 (queue_pattern): New.
5561 (process_rtx): Add patterns to the appropriate queues.
5562 (is_predicable, identify_predicable_attribute): New.
5563 (n_alternatives, collect_insn_data): New.
5564 (alter_predicate_for_insn, alter_test_for_insn): New.
5565 (shift_output_template, alter_output_for_insn): New.
5566 (process_one_cond_exec, process_define_cond_exec): New.
5567 (init_md_reader): Read the entire file. Process define_cond_exec.
5568 (read_md_rtx): Return elements from the queues.
5570 2000-05-06 Richard Henderson <rth@cygnus.com>
5572 * flow.c (mark_set_1): Don't update conditional life info
5573 if the register is not_dead.
5575 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5577 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5578 (mostlyclean): Also delete fixincl, fixinc.sh, and
5579 specs.ready, and make clean in the fixinc subdir.
5581 2000-05-06 Richard Henderson <rth@cygnus.com>
5583 * Makefile.in (gensupport.o): Compile for the host.
5584 (host-prefix gensuuprt.o): Remove.
5585 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5586 (genattrtab.o): Likewise.
5587 (gencodes.o): Depend on gensupport.h.
5588 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5589 (genpeep.o, genattr.o, genoutput.o): Likewise.
5591 * gensupport.c (obstack, rtl_obstack): New.
5592 (init_md_reader): Initialize rtl_obstack.
5593 * gensupport.h (rtl_obstack): Declare.
5594 (message_with_line): Declare.
5596 * genattr.c: Remove all traces of obstack manipulation.
5597 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5598 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5600 * genattrtab.c (obstack, rtl_obstack): Remove.
5601 (main): Don't init rtl_obstack.
5602 * genflags.c: Likewise.
5604 * genrecog.c (message_with_line): Move ...
5605 * gensupport.c: ... here.
5607 2000-05-06 Richard Henderson <rth@cygnus.com>
5609 * c-typeck.c (build_c_cast): Remove dead code.
5611 2000-05-06 Richard Henderson <rth@cygnus.com>
5613 * flow.c (split_edge): Don't allocate global_live_at_start for
5614 the new block unless the old blocks had them as well.
5616 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5618 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5619 test_bb if a or b uses x.
5621 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5623 * cpphash.h: Remove conditional #define of __extension__.
5624 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5625 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5626 (ENABLE_RTL_CHECKING only).
5627 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5628 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5629 (ENABLE_TREE_CHECKING only).
5630 * varray.h: Add __extension__ to VARRAY_CHECK macro
5631 (ENABLE_CHECKING only).
5633 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5635 Use new tail-calling mechanism on ARM.
5636 * arm.md (sibcall, sibcall_value): New expands.
5637 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5638 (tailcalling peepholes): Delete.
5639 (push_multi): Simplify.
5640 * arm.c (lr_save_eliminated): Delete definition.
5641 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5642 (output_return_instruction): Remove checks on lr_save_eliminated.
5643 (output_arm_prologue): Remove old tail-calling code.
5644 (arm_output_epilogue): New parameter, really_return. All callers
5645 changed. Handle tail-calling epilogues.
5646 * arm.h (lr_save_eliminated): Delete declaration.
5647 (frame_pointer_needed): Delete declaration.
5648 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5650 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5652 * arm.c (thumb_code): Define it.
5653 (arm_override_options): Set it.
5654 * arm.h (thumb_code): Declare it.
5656 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5658 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5660 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5662 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5663 bogus clobber to insns.
5664 (load_multiple_operation, store_mulitple_operation): Don't check
5666 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5668 * arm.md (and_scc, ior_scc): Add missing mode.
5670 * arm.md (call_value_symbol): Remove predicate from op2.
5672 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5674 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5676 * expr.c (get_subtarget): New function.
5677 (force_operand, expand_expr, do_store_flag): Use it.
5679 * toplev.c (compile_file): Don't take strlen of NAME if null.
5681 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5683 * xcoffout.c (xcoff_current_include_file,
5684 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5685 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5687 (xcoffout_declare_function): Make name 'const char *'.
5688 (xcoffout_end_epilogue): Make fname 'const char *'
5689 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5690 xcoffout_declare_function, xcoffout_source_line): Match above.
5692 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5694 * rs6000.c (print_operand): Fix lossage typo.
5695 (output_cbranch): Remove "cr" decoration for now.
5696 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5698 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5700 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5703 2000-05-05 Bruce Korb <bkorb@gnu.org>
5705 * fixinc/genfixes: Improve the matching for make target names
5707 2000-05-05 Catherine Moore <clm@cygnus.com>
5709 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5710 attribute to the decl.
5711 * c-decl.c (pushdecl): Propagate the USED attribute to the
5714 2000-05-05 Richard Henderson <rth@cygnus.com>
5716 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5717 same way emit_group_load does.
5719 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5721 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5723 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5726 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5728 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5730 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5732 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5733 to support -shared, on platforms with dynamic libraries.
5735 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5737 * system.h (S_ISBLK): Provide fallback definition.
5739 2000-05-05 Geoff Berry <geoffb@bops.com>
5741 * extend.texi (Extended Asm): Document inability to give asm
5742 statements access to condition codes.
5744 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5746 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5747 as arg 2 of UNIQUE_SECTION.
5749 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5751 * predict.c: Remove May 4 change.
5752 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5753 if we have predicted the branch at 50-50 probability.
5755 2000-05-05 Richard Henderson <rth@cygnus.com>
5757 * flow.c (init_propagate_block_info): Fix merge error
5758 in HAVE_conditional_execution code.
5760 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5762 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5763 shift cycle for unknown shift count. Also generates dec + brpl.
5764 (ashlqi3_out): Don't generate dec + brpl which now generates by
5765 `out_shift_with_cnt'.
5766 (ashlhi3_out): Likewise.
5767 (ashlsi3_out): Likewise.
5768 (ashrqi3_out): Likewise.
5769 (ashrhi3_out): Likewise.
5770 (ashrsi3_out): Likewise.
5771 (lshrqi3_out): Likewise.
5772 (lshrhi3_out): Likewise.
5773 (lshrsi3_out): Likewise.
5775 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5777 * gcc.c (free_split_directories): Correct typo in explanation
5778 of make_relative_prefix.
5780 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5782 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5783 comparison codes to branch_comparison_operator.
5785 2000-05-04 Richard Henderson <rth@cygnus.com>
5787 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5789 2000-05-04 Richard Henderson <rth@cygnus.com>
5791 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5792 (DPBIT_FUNCS): Remove _sf_to_usi.
5793 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5795 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5796 between condition and jump.
5798 * libgcc2.c (near eh_context_specific): Comment #endif string.
5799 * longlong.h: Don't use strings with embedded newlines.
5801 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5803 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5804 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5805 (print_operand): Delete %t and %T codes.
5806 (output_cbranch): New function. Support branch prediction.
5807 * config/rs6000/rs6000.md: Use output_cbranch for
5808 conditional branches and returns.
5810 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5812 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5813 * stor-layout.c (place_field): Likewise.
5814 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5815 * expr.c (store_expr): Make align unsigned.
5816 * explow.c (plus_constant_wide): Make low words unsigned.
5817 * expmed.c (choose_multiplier): Likewise.
5818 * fold-const.c (fold): Likewise.
5819 * tree.h (build_int_2): Likewise.
5820 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5821 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5822 (init_emit): Change cast to unsigned char*.
5823 * varasm.c (compare_constant_1): Add cast to char*.
5824 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5825 * reload1.c (reload): Likewise.
5827 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5829 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5831 * predict.c (estimate_probability): If no prediction was found, then
5832 predict the successor that is the next physical block (if such a
5835 2000-05-04 Richard Henderson <rth@cygnus.com>
5837 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5839 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5841 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5843 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5845 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5846 attribute macros from here ...
5847 (CPP_SPEC): to here.
5848 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5849 (CPP_SPEC): Likewise.
5850 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5852 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5853 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5855 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5857 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5859 * diagnostic (vbuild_message_string, build_message_string,
5860 build_location_prefix, output_get_prefix, init_output_buffer,
5861 output_notice, vline_wrapper_message_with_location,
5862 v_message_with_decl, default_print_error_function): De-constify.
5863 (set_real_maximum_length): Prototype.
5865 * diagnostic.h (struct output_buffer, init_output_buffer,
5866 output_get_prefix, output_set_prefix): De-constify.
5868 * function.c (init_function_start): Constify.
5870 * gensupport.c (remove_constraints, process_rtx): Prototype.
5872 * gthr-posix.h: Indent uses of #pragma.
5874 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5877 * predict.c (find_expected_value): Delete prototype.
5878 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5880 * sbitmap.h (debug_sbitmap): Prototype.
5882 * ssa.c (compute_coalesced_reg_partition): Prototype.
5884 * stor-layout.c (debug_rli): Prototype.
5886 * tree.h (round_down): Prototype.
5887 (init_function_start): Constify.
5889 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5891 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5892 (overly conservative). Change extern inline wrappers to
5893 static inline, define them always, use PARAMS properly.
5894 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5895 whitespace warnings for \f and \v at the beginning of a line.
5897 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5899 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5902 2000-05-04 Bruce Korb <bkorb@gnu.org>
5904 * fixincl/inclhack.def: added broken_cabs -
5905 Remove `extern double cabs' declarations from math.h
5906 * fixincl/inclhack.sh: regen
5907 * fixincl/fixincl.x: regen
5908 * fixincl/fixincl.c: Remove BOGOSITY code
5909 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5911 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5913 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5915 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5916 when calling MEM_COPY_ATTRIBUTES.
5917 * emit-rtl.c (operand_subword, change_address): Likewise.
5918 * explow.c (stabilize): Likewise.
5919 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5920 * integrate.c (copy_rtx_and_substitute): Likewise.
5921 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5922 when calling MEM_COPY_ATTRIBUTES.
5923 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5925 * cse.c (gen_lowpart_if_possible): Likewise.
5926 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5927 * optabs.c (gen_move_insn): Likewise.
5928 * recog.c (validate_replace_rtx_1): Likewise.
5929 * simplify-rtx.c (add_mem_for_addr): Likewise.
5930 * stmt.c (expand_anon_union_decl): Likewise.
5931 * config/arm/arm.md: Likewise.
5932 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5933 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5934 (block_move_no_loop, block_move_sequence): Likewise.
5935 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5936 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5937 Clear MEM_ALIAS_SET.
5938 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5939 MEM_COPY_ATTRIBUTES.
5941 2000-05-03 Robert Lipe <robertlipe@usa.net>
5943 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5944 to suppress libgcc1.
5945 (i[34567]86-*-sco3.2v5*) Likewise.
5946 (i[34567]86-*-sco3.2v4*) Likewise.
5947 (i[34567]86-*-sco) Likewise.
5948 (i[34567]86-*-solaris2) Likewise.
5949 (i[34567]86-*-sysv5*) Likewise.
5950 (i[34567]86-*-sysv4*) Likewise.
5951 (i[34567]86-*-udk*) Likewise.
5952 (i[34567]86-*-sysv*) Likewise.
5954 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5956 * cpphash.h (U): New define, to correct type of string constants.
5957 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5958 routines, to do casts when passing unsigned strings to libc.
5959 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5961 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5962 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5963 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5964 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5965 second argument an U_CHAR *.
5967 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5968 length field, clean up initializer.
5969 (ISTABLE): Add __extension__ to designated-
5970 initializers version.
5971 * cpplex.c (CHARTAB): Likewise.
5973 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5974 case so the file won't be empty.
5976 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5978 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5979 (REORDER_BLOCK_SUCC): Removed.
5980 (enum reorder_skip_type): Removed.
5981 (skip_insns_between_block): Renamed to skip_insns_after_block.
5982 Removed second argument. Removed dead code and cleaned up.
5983 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5984 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5985 second parameter to skip_insns_after_block.
5987 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5989 * tree.c (staticp, case LABEL_DECL): New case.
5991 2000-05-03 Richard Henderson <rth@cygnus.com>
5993 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5995 * mklibgcc1.in: Fix typo last change.
5997 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
5999 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6000 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6001 (GCC_CFLAGS): Use it.
6002 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6003 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6004 objc/Make-lang.in: Use it.
6006 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6008 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6010 2000-05-03 Richard Henderson <rth@cygnus.com>
6012 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6013 LIBGCC1 empty with libgcc1.null.
6015 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6017 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6020 2000-05-03 Greg McGary <gkm@gnu.org>
6022 * tree.h (tree_common): Add bounded_flag member. Remove
6023 inaccurate comment about number of remaining bits.
6024 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6025 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6026 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6027 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6028 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6029 (TYPE_QUAL_BOUNDED): New constant.
6030 (TYPE_QUALS): Handle bounded qualifier.
6031 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6032 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6033 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6034 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6035 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6036 (tree_type): Add pointer_depth member. Remove
6037 inaccurate comment about number of remaining bits.
6038 (DECL_POINTER_DEPTH): Add macro.
6039 (tree_decl): Add pointer_depth member.
6041 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6043 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6044 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6045 (lshrhi3_out): Likewise.
6046 (ashrsi3_out): bugfix in shift by 8.
6047 (test_hard_reg_class): New function.
6048 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6049 (ashlhi3): removed define_expand of this pattern.
6050 (*ashlhi3_insn): renamed to ashlhi3.
6051 (ashlsi3): removed define_expand of this pattern.
6052 (*ashlsi3_insn): renamed to ashlsi3.
6053 (ashrqi3): removed define_expand of this pattern.
6054 (*ashrqi3_insn): renamed to ashrqi3.
6055 (ashrhi3): removed define_expand of this pattern.
6056 (*ashrhi3_insn): renamed to ashrhi3.
6057 (ashrsi3): removed define_expand of this pattern.
6058 (*ashrsi3_insn): renamed to ashrsi3.
6059 (lshrhi3): removed define_expand of this pattern.
6060 (*lshrhi3_insn): renamed to lshrhi3.
6061 (lshrsi3): removed define_expand of this pattern.
6062 (*lshrsi3_insn): renamed to lshrsi3.
6064 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6066 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6067 inclusion of "system.h".
6069 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6071 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6074 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6076 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6077 if -mauto-pic is on.
6078 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6079 -mconstant-gp is in effect and function-descriptors are being used
6080 to make indirect calls.
6081 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6082 (MASK_AUTO_PIC): Ditto.
6083 (TARGET_CONST_GP): Ditto.
6084 (TARGET_AUTO_PIC): Ditto.
6085 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6086 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6087 -mno-pic is in effect.
6088 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6089 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6090 -mauto-pic is in effect.
6091 (gprel64_offset): New pattern.
6092 (load_gprel64): Ditto.
6093 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6094 -mconstant-gp is in effect, no need to preserve gp around direct
6096 (call_value): Ditto.
6097 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6098 (FUNCTION_PROFILER): Define.
6099 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6100 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6101 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6103 2000-05-03 Richard Henderson <rth@cygnus.com>
6105 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6106 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6107 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6108 (mklibgcc, libgcc.mk): New targets.
6109 (libgcc.a): Use libgcc.mk.
6110 (stmp-multilib): Likewise.
6111 (stmp-multilib-sub): Remove.
6112 (mostlyclean): Don't delete libgcc2 temp files.
6113 * configure.in (AC_PROG_CC_C_O): Add.
6114 (NO_MINUS_C_MINUS_O): Substitute it.
6115 (all_outputs): Add mklibgcc.
6116 * mklibgcc.in: New file.
6118 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6120 * cppexp.c (op_t): Make an int.
6122 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6124 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6126 * gensupport.c (process_rtx): Fix macros used.
6128 2000-05-03 Richard Henderson <rth@cygnus.com>
6130 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6131 call-clobbered registers of a call.
6133 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6135 * gensupport.c: New file.
6136 * gensupport.h: New file.
6137 * Makefile.in (HOST_RTL): Depend on gensupport.
6138 (gensupport.o) New rule.
6139 * genattr.c: Use gensupport for reading .md files.
6140 * genattrtab.c: Ditto.
6141 * gencodes.c: Ditto.
6142 * genconfig.c: Ditto.
6144 * genextract.c: Ditto.
6145 * genflags.c: Ditto.
6146 * genopinit.c: Ditto.
6147 * genoutput.c: Ditto.
6149 * genrecog.c: Ditto.
6150 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6151 * md.texi (Insn Splitting): Document define_insn_and_split.
6153 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6155 * flow.c (verify_flow_info): Added two more sanity checks. The
6156 first checks that the blocks are numbered consecutively. The second
6157 checks that n_basic_blocks is actually equal to the number of
6158 basic blocks in the insn chain.
6160 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6162 * cpplib.h: Add accessor macros for token lists.
6163 * cpplib.c, cpphash.c, cpplex.c: Use them.
6165 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6167 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6168 memory usage if not in a function.
6169 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6170 return address if static.
6172 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6174 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6175 whether address may trap.
6177 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6179 * bb-reorder (chain_reorder_blocks): Changed code to test for
6180 EDGE_FALLTHRU rather than making erroneous assumption that the
6181 first outgoing edge is the fall-through edge.
6183 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6185 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6186 ABI for varargs, across all MIPS. This is incompatible because the
6187 va_list (__builtin_va_list) structure is different, so a compilation
6188 unit passing a va_list and a compilation unit being passed one, should
6189 both be compiled with the same ABI. (The old structure had two
6190 pointers, now it has three.)
6192 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6194 * bb-reorder.c (struct reorder_block_def): Remove members end,
6195 block_begin, and block_end.
6196 (REORDER_BLOCK_OLD_END): Delete.
6197 (REORDER_BLOCK_BEGIN): Delete.
6198 (REORDER_BLOCK_END): Delete.
6199 (chain_reorder_blocks): Remove dead code.
6201 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6203 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6204 notes as the end of a basic block before deleting.
6206 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6208 * final.c (final_start_function): Fix spelling of "necessary".
6210 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6212 * toplev.c (debug_ignore_block): Return int.
6213 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6214 * toplev.h, dwarf2out.h: Adjust.
6215 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6217 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6218 * toplev.c, final.c, rtl.h: Adjust.
6220 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6222 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6223 * configure.in: Look for makeinfo in the unified tree, then
6224 for a system makeinfo which is sufficiently new.
6225 * Makefile.in: If configure says makeinfo is too old, don't
6226 build or install Info documentation.
6228 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6230 * cpphash.c (collect_params): Fix off-by-one error.
6231 (dump_hash_helper): Dump all four macro nodetypes.
6233 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6235 * cpphash.c (trad_stringify): Adjust p after stringification as
6238 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6240 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6241 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6243 * cppfiles.c (file_cleanup): Delete.
6244 * cpphash.c (macro_cleanup): Delete.
6245 (collect_objlike_expansion, collect_funlike_expansion,
6246 macarg, scan_arguments): Remove CPP_POP case.
6248 * cpplex.c (null_cleanup): Delete.
6249 (cpp_pop_buffer): Do the work that was done in the cleanups
6250 here. Call _cpp_unwind_if_stack from here.
6251 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6252 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6253 stack is the buffer _below_ the one we stacked.
6254 (cpp_get_token): Always pop an exhausted buffer. Return
6255 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6256 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6257 increment the line number.
6258 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6260 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6261 we see CPP_EOF and the top of stack is the buffer _below_ the
6263 * scan-decls.c: Likewise.
6265 2000-05-02 Andrew Haley <aph@cygnus.com>
6267 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6268 where this function is called for the second time on a decl that
6269 has had its section info changed in such a way as to move it out
6271 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6273 2000-05-01 Richard Henderson <rth@cygnus.com>
6275 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6276 the sequence we're moving, not to merge_bb->head.
6278 2000-05-01 Richard Henderson <rth@cygnus.com>
6280 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6281 reference to alpha/t-linux.
6282 (alpha*-*-linux-gnu*): Likewise.
6283 * configure: Rebuild.
6285 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6287 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6290 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6292 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6294 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6297 2000-05-01 Richard Henderson <rth@cygnus.com>
6299 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6300 emit_conditional_move.
6302 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6304 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6305 as the dynamic linker.
6307 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6309 * cppfiles.c (open_include_file): Open file in blocking mode.
6310 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6311 Only exclude block devices and directories.
6313 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6314 static. Allocate the hashnode and its string in the same
6316 (del_HASHNODE): Don't free h->name.
6317 (_cpp_lookup): If there is no entry for this string, create
6318 one, of type T_VOID.
6319 (_cpp_lookup_slot): Delete.
6320 * cpphash.h: Update prototypes.
6322 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6324 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6325 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6326 node here, just fill in the value field properly. "Delete"
6327 entries by setting the value field to T_VOID. Check for
6328 hp->type == T_VOID, not hp == NULL.
6330 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6331 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6334 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6336 * config/mn10300/mn10300.c (print_operand_address): Do not add
6339 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6340 adjusted by less than 256 bytes, use ret regardless of having any
6341 callee-saved register to restore.
6343 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6345 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6347 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6349 * config/i386/djgpp.h (INT_ASM_OP): Define.
6350 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6351 (ASM_WEAKEN_LABEL): Define.
6352 (MASK_BNU210): Define.
6353 (SUBTARGET_SWITCHES): Define.
6354 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6355 (MAKE_DECL_ONE_ONLY): Define.
6356 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6358 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6360 * i386/cygwin.h (INT_ASM_OP): Define.
6362 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6364 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6365 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6367 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6369 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6370 __tmp_reg__ and __zero_reg__ initialization.
6372 2000-04-30 Richard Henderson <rth@cygnus.com>
6374 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6376 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6377 referenced bewteen the condition and the jump. Don't delete
6378 anything but the jump.
6380 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6382 * bb-reorder.c (scope_def): New struct.
6383 (scope_forest_info): New struct.
6384 (struct reorder_block_def): New member "scope".
6385 (REORDER_BLOCK_SCOPE): New macro.
6386 (relate_bbs_with_scopes): New function and prototype.
6387 (make_new_scope): Likewise.
6388 (build_scope_forest): Likewise.
6389 (remove_scope_notes): Likewise.
6390 (insert_intra_1): Likewise.
6391 (insert_intra_bb_scope_notes): Likewise.
6392 (insert_inter_bb_scope_notes): Likewise.
6393 (rebuild_scope_notes): Likewise.
6394 (free_scope_forest_1): Likewise.
6395 (free_scope_forest): Likewise.
6396 (dump_scope_forest): Likewise.
6397 (dump_scope_forest_1): Likewise.
6398 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6399 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6401 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6402 and remove_scope_notes before reordering is done. Added calls to
6403 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6404 after reordering is done.
6406 2000-40-30 Bruce Korb <bkorb@gnu.org>
6408 * fixinc/inclhack.def: Added definitions needed by OSR5,
6409 removed two stale entries (defined away with OLD_CPP).
6410 * fixinc/inclhack.sh: regen
6411 * fixinc/fixincl.x: regen
6413 2000-04-30 Richard Henderson <rth@cygnus.com>
6415 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6416 from the last insn in the sequence.
6418 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6420 * cpplex.c (cpp_idcmp): New function.
6421 * cpplib.h: Prototype it.
6422 * scan_decls.c (scan_decls): Use it to inspect token names.
6423 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6424 the file being run through the preprocessor.
6425 (check_macro_names): Provide length of token to cpp_defined.
6427 * Makefile.in: Remove stale warning message.
6429 * cppfiles.c (redundant_include_p): Provide length of token to
6431 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6432 values are unsigned int.
6433 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6434 (_cpp_lookup_slot): Do not calculate the hash, either.
6435 * cpphash.h: Update prototypes.
6436 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6437 Hashes are unsigned int. Calculate hash here, pass by value
6438 to _cpp_lookup_slot.
6440 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6442 * simplify-rtx.c (check_value_useless): Delete function.
6443 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6445 (cselib_invalidate_regno): Likewise.
6446 (cselib_invalidate_mem_1): Likewise.
6447 (references_value_p): Recognize useless values by the fact that they
6449 (discard_useless_values): Likewise.
6450 (cselib_record_set): This may turn a useless value
6453 2000-04-30 Richard Henderson <rth@cygnus.com>
6455 * config/d30v: New port.
6457 * configure.in (d30v-*): Set fp format.
6458 * configure: Rebuild.
6460 2000-04-30 Richard Henderson <rth@cygnus.com>
6462 * ifcvt.c: New file.
6463 * Makefile.in (OBJS): Add it.
6464 (ifcvt.o): New target.
6465 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6466 and conditional arithmetic.
6467 (find_insert_position): Remove.
6468 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6469 * toplev.c (DFI_ce, DFI_ce2): New.
6470 (dump_file): Add ce and ce2 dumps.
6471 (rest_of_compilation): Run if_convert a couple o times. Set
6472 cse_not_expected after cse2. Don't set no_new_pseudos until
6473 after sched1 or recompute_reg_usage.
6475 2000-04-30 Richard Henderson <rth@cygnus.com>
6477 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6478 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6480 2000-04-30 Richard Henderson <rth@cygnus.com>
6482 * flow.c (struct reg_cond_life_info): New.
6483 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6484 (init_propagate_block_info): Initialize them.
6485 (free_propagate_block_info): Destruct them.
6486 (mark_set_1): Consider conditional life before killing a register.
6487 (mark_regno_cond_dead): New.
6488 (free_reg_cond_life_info): New.
6489 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6490 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6491 (mark_used_reg): Record conditional life.
6493 * haifa-sched.c (schedule_insns): Disable death counting
6494 sanity check for HAVE_conditional_execution.
6496 2000-04-30 Richard Henderson <rth@cygnus.com>
6498 * Makefile.in (TIMEVAR_H): New.
6499 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6500 (timevar.h): Remove rule.
6502 2000-04-29 Richard Henderson <rth@cygnus.com>
6504 * config/alpha/crtend.asm: Use C comments instead of #.
6505 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6507 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6509 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6511 * cpphash.h (enum node_type: Take out T_MCONST.
6512 (union hashval): Move into struct hashnode.
6513 (struct hashnode): Pack tighter. Remove file, line, col
6515 * cpphash.c: Constify most of the macro-definition structures.
6516 (struct definition): Replace by struct object_defn
6517 and struct funct_defn. Put file, line, column information
6518 here. All users updated to match.
6519 (_cpp_create_definition, _cpp_macroexpand): Remove special
6520 case for #define WORD OTHERWORD.
6521 * cpplib.c (do_undef): Remove T_MCONST case.
6523 * cpphash.h: Move struct reflist, struct definition, and the
6524 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6525 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6526 * cpphash.c (_cpp_free_definition): Free data pointed to by
6527 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6528 (_cpp_create_definition, del_HASHNODE): Just call
6529 _cpp_free_definition to clear out a hashnode.
6530 * cpplib.c (do_pragma_poison): Likewise.
6532 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6534 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6535 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6536 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6537 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6538 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6539 REGNO_AM33_P): Redefine in terms of the new macros.
6540 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6541 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6542 STRUCT_VALUE): Likewise.
6543 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6544 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6546 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6548 * regmove.c (struct record_stack_memrefs_data): New.
6549 (record_stack_memrefs): New function.
6550 (combine_stack_adjustments_for_block): Use it.
6552 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6554 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6555 use special_function_p to detect alloca.
6557 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6559 * gcc.texi: Fixes for makeinfo 4.0 --html.
6561 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6563 * pcp.h: Delete file.
6565 2000-04-28 Kazu Hirata <kazu@hxi.com>
6567 * h8300.c (function_epilogue): Clean up flags when the last insn
6568 in a function is a barrier.
6570 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6572 * configure.in (sparc-hal-solaris2*): protect [] glob from
6574 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6575 rather than hard-coded constants in target_cpu_default2.
6576 * configure: Regenerate.
6578 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6580 * tree.c (get_callee_fndecl): Extract the initial value from
6583 2000-04-28 Richard Henderson <rth@cygnus.com>
6585 * varasm.c (record_constant_1): Record the CODE_LABEL when
6586 taking the address of a LABEL_REF.
6588 2000-04-28 Richard Henderson <rth@cygnus.com>
6589 Jan Hubicka <jh@suse.cz>
6591 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6592 adjustment; don't do the stack adjust.
6593 (expand_call): Call compute_argument_block_size right before
6594 allocating the block; update comment; don't do alignment sanity
6595 checking for sibling call; use args_size instead of
6596 unadjusted_args_size before args_size is adjusted. Use
6597 combine_pending_stack_adjustment_and_call to compute stack adjust
6598 for must_preallocate case.
6600 * expr.c (push_block): Remove shadow `temp' in inner scope.
6602 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6604 * toplev.c (rest_of_compilation): Call
6605 note_deferral_of_defined_inline_function even if the function
6608 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6610 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6612 2000-04-28 Richard Henderson <rth@cygnus.com>
6614 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6616 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6618 * timevar.c (init_timevar): DeANSIfy function definition.
6620 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6622 * Makefile.in (timevar.o): Depend on flags.h.
6623 * timevar.c (unused_stack_instances): New variable.
6624 (timevar_push): Take a timevar_stack_def from
6625 unused_stack_instances if available.
6626 (timevar_pop): Push the popped timevar_stack_def onto
6627 unused_stack_instances.
6628 (TIMEVAR_ENABLE): New macro.
6629 (timevar_def): Make standalone a 1-bit field. Add field used.
6630 (get_time): Rename parameter to now. Return after clearing it if
6632 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6633 (timevar_pop): Likewise.
6634 (timevar_stop): Likewise.
6635 (timevar_push): Likewise. Mark the timing variable as used.
6636 (timevar_start): Likewise.
6637 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6638 timevars that were never used.
6640 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6642 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6643 always TREE_READONLY.
6645 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6647 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6648 for call instruction with mode QImode.
6650 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6652 * Makefile.in (OBJS): Add timevar.o.
6653 (toplev.o): Depend on timevar.h.
6654 (ggc-simple.o): Likewise.
6655 (ggc-page.o): Likewise.
6656 (timevar.o): New rule.
6657 (timevar.h): New rule.
6659 * timevar.h: New file.
6660 * timevar.c: Likewise.
6661 * timevar.def: Likewise.
6663 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6664 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6666 (TIMEVAR): Remove macro.
6667 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6668 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6669 flow_time, combine_time, regmove_time, sched_time,
6670 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6671 sched2_time, dbr_sched_time, reorder_blocks_time,
6672 rename_registers_time, shorten_branch_time, stack_reg_time,
6673 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6675 (compile_file): Don't initialize time variables. Call
6676 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6677 of many calls to print_time.
6678 (rest_of_compilation): Add timing for reload_cse_regs.
6679 (get_run_time): Removed to timevar.c.
6680 (print_time): Likewise.
6681 (get_run_time): Implement using TV_TOTAL time variable.
6682 (print_time): Get total run time from get_run_time.
6683 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6684 computing elapsed time explicitly.
6685 * ggc-simple.c (ggc_collect): Likewise.
6686 (gc_time): Remove declaration.
6688 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6690 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6691 (expand_call): Use it.
6693 2000-04-27 Jan Hubicka <jh@suse.cz>
6695 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6698 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6700 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6703 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6705 * function.c (epilogue_done): Pass whole insn to record_insns.
6707 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6709 * cse.c (CSE_ADDRESS_COST): Remove.
6710 (find_best_addr): Add new parameter "MODE", use address_cost instead
6712 (address_cost): New.
6713 (fold_rtx): Update call of find_best_addr.
6714 * rtl.h (address_cost): Declare.
6715 * loop.c (general_induction_var): Add new parameter "MODE", use
6716 address_cost instead of ADDRESS_COST
6717 (init_loop): Use address_cost instead of ADDRESS_COST.
6718 (check_insn_for_givs): Update call of general_induction_var.
6719 (find_mem_givs): Likewise.
6720 (consec_sets_giv): Likewise.
6721 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6722 * i386.c (ix86_address_cost): New.
6723 * i386-protos.h (ix86_address_cost): Declare.
6725 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6727 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6730 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6732 * expr.c (store_expr): Use clear_storage instead of direct memset
6735 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6737 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6738 ASHIFT, AND and LABEL_REF.
6740 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6742 * invoke.texi (-foptimize-sibling-calls): Fix.
6744 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6746 * loop.c (load_mems) Don't use hard registers for the hoisting.
6748 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6749 calculation; rename const_equiv array in the preconditioning code
6750 from loop_unroll to loop_unroll_precondition
6752 2000-04-27 Richard Henderson <rth@cygnus.com>
6754 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6756 (propagate_one_insn): Clear it. Don't update reg_live here.
6757 (init_propagate_block_info): Update for pbi member changes.
6758 (free_propagate_block_info): Likewise.
6759 (mark_set_1): Know that zero_extract, sign_extract, and
6760 strict_low_part don't kill their argument. Alter hard subregs.
6761 Update new_set for non-CLOBBER sets. Update reg_live.
6762 (find_auto_inc): Update reg_live, not new_dead.
6763 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6764 to determine if the reg in question was set this insn. Only update
6765 reg info with PROP_REG_INFO.
6767 2000-04-26 Richard Henderson <rth@cygnus.com>
6769 * flow.c (allocate_reg_life_data): Set max_regno here ...
6770 (life_analysis): ... not here.
6772 * flow.c (calculate_global_regs_live): Force stack pointer
6775 2000-04-26 Richard Henderson <rth@cygnus.com>
6777 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6778 commit change group changes.
6779 (invert_exp_1): Similarly.
6780 (redirect_exp, invert_exp): Use them.
6781 (redirect_jump_1): New.
6782 (invert_jump_1): New.
6783 (jump_optimize_1): Remove code subsumed by condexec.c.
6784 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6786 2000-04-26 Richard Henderson <rth@cygnus.com>
6788 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6790 * genconfig.c (main): Set all HAVE_foo to 1.
6792 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6794 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6796 * invoke.texi: Document -fssa flag.
6798 2000-04-26 Richard Henderson <rth@cygnus.com>
6800 * flow.c (count_reg_sets_1): Remove.
6801 (count_reg_sets, count_reg_references): Remove.
6802 (recompute_reg_usage): Implement with update_life_info.
6803 Reallocate life data.
6805 2000-04-26 Richard Henderson <rth@cygnus.com>
6807 * flow.c (update_life_info): Consider blocks null to mean the
6809 (calculate_global_regs_live): Likewise.
6810 (life_analysis): Do that instead of collecting all_blocks.
6812 2000-04-26 Richard Henderson <rth@cygnus.com>
6814 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6815 a still-valid conditional jump.
6817 2000-04-26 Richard Henderson <rth@cygnus.com>
6819 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6821 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6822 * flow.c (calculate_loop_depth): Remove.
6823 * output.h (calculate_loop_depth): Don't declare.
6824 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6825 inline; run estimate_probability at the same time.
6827 2000-04-26 Neil Booth <NeilB@earthling.net>
6829 * cpplib.h: "~=" is not a single pp-token.
6830 * cpplex.c: Correct commentary.
6832 2000-04-26 Richard Henderson <rth@cygnus.com>
6834 * flow.c (mark_set_1): New arguments code and flags; update all
6835 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6836 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6837 loop_depth when optimizing for size. Do new_dead update after
6838 emitting REG_UNUSED notes. Merge mark_set_reg code.
6839 (mark_set_reg): Remove.
6840 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6841 arrange to not emit REG_UNUSED notes.
6843 2000-04-26 Richard Henderson <rth@cygnus.com>
6845 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6846 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6848 2000-04-26 Richard Henderson <rth@cygnus.com>
6850 * flow.c (propagate_one_insn): Break out from propagate_block.
6851 (init_propagate_block_info): Likewise.
6852 (free_propagate_block_info): Likewise.
6853 (propagate_block): Use them. Export.
6854 * basic-block.h: Declare them all.
6856 2000-04-26 Richard Henderson <rth@cygnus.com>
6858 * basic-block.h (life_analysis): Declare here ...
6859 * output.h: ... not here.
6860 * flow.c (life_analysis): Remove nregs parameter; replace
6861 remove_dead_code with flags. Remove ssa dead code check.
6862 Only init alias analysis if we'll use it.
6863 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6864 * ssa.c (convert_to_ssa): Likewise.
6865 (convert_from_ssa): Likewise.
6866 * toplev.c (rest_of_compilation): Likewise.
6868 2000-04-26 Richard Henderson <rth@cygnus.com>
6870 * flow.c (flow_delete_block): Rename from delete_block. Export.
6871 * basic-block.h (flow_delete_block): Declare.
6873 2000-04-26 David S. Miller <davem@redhat.com>
6875 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6876 taking a PATTERN of it.
6878 2000-04-26 <NeilB@earthling.net>
6880 * cpplex.c (spell_other, spell_char): Remove.
6882 (token_spelling, trigraph_map): Use unsigned chars.
6883 (_cpp_lex_line): Tidy up the switch statement.
6884 * cpplib.h: Implement spell_char with spell_string.
6887 2000-04-26 <RodneyBrown@pmsc.com>
6889 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6890 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6892 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6894 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6895 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6896 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6897 dwarf2out_return_save, dwarf2out_return_reg,
6898 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6899 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6900 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6902 * dwarf2out.h (dwarf2out_init): Likewise.
6904 * dwarfout.c (filename_entry, primary_filename, last_filename,
6905 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6907 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6908 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6909 dwarf2out_return_reg): Likewise.
6911 2000-04-26 Andreas Jaeger <aj@suse.de>
6913 * extend.texi (Function Attributes): Fix description of pure
6916 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6918 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6919 before calling rest_of_compilation.
6921 2000-04-26 Andreas Jaeger <aj@suse.de>
6923 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6926 2000-04-25 Richard Henderson <rth@cygnus.com>
6928 * cse.c (cse_insn): Emit barrier after unconditional jump.
6930 * calls.c (expand_call): Disable tail call generation once
6931 rtx_equal_function_value_matters is false.
6933 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6936 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6938 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6940 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6942 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6943 is the primary DIE for a member function.
6944 (gen_decl_die): Call set_decl_origin_self here.
6945 * dwarfout.c (output_decl): And here.
6946 * integrate.c (output_inline_function): Not here.
6947 Don't clear DECL_INLINE until after calling rest_of_compilation.
6948 (set_decl_origin_self): No longer static.
6949 * tree.h: Add prototype.
6950 * toplev.c (note_deferral_of_defined_inline_function): Only write
6951 out abstract instance for actual inlines.
6953 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6955 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6956 EXTENDED_REGS only if TARGET_AM33.
6957 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6958 SP_REGS to register allocation and reloading unless absolutely
6960 (movsi3): Remove special-case of adding non-constants to SP.
6962 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6964 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6965 INCLUDES to search and does not provide any of its own. Also it
6966 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6967 parameters. Also it does not call AC_DEFINE.
6968 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6969 AC_DEFINE and provides for automatic entries for autoheader.
6970 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6972 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6973 so we can pass -I flags and include gansidecl.h/system.h in this
6976 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6978 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6980 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6981 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6982 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6984 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6985 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6986 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6987 for these macros. Clean up spacing and linewraps.
6989 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6991 * calls.c (expand_call): Use get_callee_fndecl.
6993 * print-tree.c (print_node): Print the chain of an _EXPR.
6995 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6996 Jim Wilson <wilson@cygnus.com>
6997 Andrew Haley <aph@cygnus.com>
6999 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7000 and gp save/restore problems.
7001 * config/ia64/crtend.asm: Add IA-64 unwind support.
7002 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7003 in fr_pad_size calculation.
7004 (save_restore_insns): Move PR save area. Correct uses of
7005 RTX_FRAME_RELATED_P.
7006 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7007 (ia64_expand_epilogue): Add eh_epilogue support.
7008 (ia64_function_prologue): Emit .prologue directive.
7009 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7010 (ia64_override_options): Set init_machine_status and
7011 mark_machine_status.
7012 (rtx_needs_barrier): Handle bsp reads and writes.
7013 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7014 New static variables.
7015 (process_set, process_for_unwind_directive): New functions.
7016 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7017 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7018 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7020 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7021 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7022 (struct machine_function): Define.
7023 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7025 2000-04-25 Bruce Korb <bkorb@gnu.org>
7027 * fixinc/Makefile.in: make the removal of old programs more
7029 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7030 install-bin and install-sh
7032 2000-04-25 Nick Clifton <nickc@cygnus.com>
7034 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7035 defined, define to return zero.
7036 (function_cannot_inline_p): If a function has any target
7037 specific attributes, then use the macro
7038 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7039 whether it can be inlined. If it cannot, issue a suitable
7042 * tm.texi: Add a new node 'Inlining' to document the new macro
7043 FUNCTION_ATTRIBUTE_INLINABLE_P.
7045 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7047 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7050 2000-04-25 Neil Booth <NeilB@earthling.net>
7052 Restore previous patch, plus the following fixes:
7054 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7055 flags, not CPP_OPEN_PAREN.
7056 * cpplex.c (expand_token_space, init_token_list,
7057 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7058 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7060 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7062 * config/i386/freebsd.h (INT_ASM_OP): Define.
7064 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7066 * loop.c (strength_reduce): Fix typo in the last checkin.
7068 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7070 * stor-layout.c (finalize_record_size): Simplify to use existing
7072 (compute_record_mode): No longer static.
7073 * tree.h (compute_record_mode): New declaration.
7075 2000-04-25 Neil Booth <NeilB@earthling.net>
7077 * Revert my patch below until cause of build failures
7080 2000-04-25 Richard Henderson <rth@cygnus.com>
7082 * combine.c (combine_instructions): Add missing argument
7085 * toplev.c (rest_of_compilation): Delay sibcall optimization
7086 until after emit_eh_context.
7088 2000-04-24 Nick Clifton <nickc@redhat.com>
7090 * combine.c (combine_instructions): Do not try to combine a
7091 sequence of insns when the second insn has been replaced by a
7094 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7096 * gcc.c (load_specs): New static function.
7097 (read_specs): Use it.
7099 * gcc.c (lookup_compiler): Make multiple passes for case
7100 insensitive filesystems.
7102 2000-04-24 Neil Booth <NeilB@earthling.net>
7104 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7105 * cpphash.h (_cpp_check_directive): new.
7106 * cpplex.c (handle_newline, cpp_free_token_list,
7107 init_trigraph_map, trigraph_ok, trigraph_replace,
7108 backslash_start, skip_block_comment, skip_line_comment,
7109 skip_whitespace, parse_name, parse_number, parse_string,
7110 copy_comment, _cpp_lex_line, spell_char, spell_string,
7111 spell_comment, spell_name, spell_other, _cpp_lex_file,
7112 _cpp_output_list): new.
7113 (expand_name_space): take length argument.
7114 (init_token_list): add comment list initialisation.
7115 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7116 instead of HSPACE_BEFORE.
7118 * cpplib.c (_cpp_check_directive): new
7119 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7120 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7121 (HSPACE_BEFORE): delete.
7122 (TTYPE_TABLE): rearrange.
7123 (struct cpp_toklist): update.
7125 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7127 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7128 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7129 argument form of AC_DEFINE.
7131 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7132 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7133 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7134 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7135 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7137 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7139 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7141 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7142 deduced.h): Use -isystem, not -I, for including system headers.
7144 2000-04-24 Nick Clifton <nickc@cygnus.com>
7146 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7147 the source register is the frame pointer or arg pointer.
7148 (addsi3_small_int): Disallow if source register is the frame
7149 pointer or arg pointer.
7151 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7153 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7154 call to AC_MSG_RESULT.
7156 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7158 * invoke.texi: Correct grammatical errors, document
7159 -fno-gnu-keywords as identical to -fno-asm for C++.
7161 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7163 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7164 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7165 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7166 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7167 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7169 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7170 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7171 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7172 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7175 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7177 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7178 (pop_alignment): Likewise.
7179 (handle_pragma_token): Likewise.
7181 2000-04-24 Robert Lipe <robertlipe@usa.net>
7183 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7185 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7187 * combine.c (try_combine): Update reg_nonzero_bits of
7188 newi2pat before newpat.
7190 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7192 * loop.c (strength_reduce): Simplify test to INSN_P.
7193 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7194 expressions instead of CONST_INT.
7195 (express_from_1): Likewise.
7197 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7199 * regs.h (reg_n_max): Don't declare.
7200 * flow.c (reg_n_max): Don't define.
7201 * regclass.c (renumber): Don't initialize to zero.
7202 (regno_allocated): Likewise.
7203 (reg_n_max): Define.
7204 (allocate_reg_info): Don't initialize unnecessarily.
7206 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7208 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7209 and blockage_p in the newly allocated attribute.
7211 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7213 * config/mn10300/mn10300.md (addsi): `inc4' on address
7214 registers does not modify cc, but `inc' on an extended
7217 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7219 * reload.c (find_equiv_reg): Checks all valueno regs
7220 as a reload_reg_p regs.
7222 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7224 * cpphash.c (collect_objlike_expansion): Add sanity check.
7225 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7226 the buffer is the empty string, return. Mark __DATE__ and
7227 __TIME__ as XCONST nodes, not MCONST.
7228 (_cpp_macroexpand): Avoid pushing an empty buffer.
7229 (funlike_macroexpand): Don't pop token_buffer here.
7231 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7233 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7234 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7235 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7236 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7237 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7238 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7239 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7241 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7243 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7246 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7248 * cpphash.h (struct definition): Move file, line, col members...
7249 (struct hashnode): ... here. Also add 'disabled' flag.
7250 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7251 T_IDENTITY. Remove T_DISABLED.
7254 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7255 (collect_expansion): Split into collect_objlike_expansion and
7256 collect_funlike_expansion.
7257 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7258 funlike_macroexpand.
7259 (_cpp_compare_defs): Rename compare_defs, make static.
7260 (_cpp_make_hashnode): Initialize hp->disabled.
7261 (macro_cleanup): Adjust for new token types. Clear
7263 (_cpp_create_definition): Move code here to determine what
7264 sort of macro it is, and code to check for redefinitions, from
7265 do_define. Implement a few simple cases without creating a
7267 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7268 Handle the simple cases.
7269 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7272 * cppinit.c (builtin_array): Change MCONST to XCONST
7274 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7275 fix check for disabled and function-like macros.
7276 * cpplib.c (do_define): Move most logic to
7277 _cpp_create_definition.
7278 (do_undef): Handle new special token types.
7280 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7282 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7283 of CONSTANT_P for mult_val; always use validate_change to update insn.
7285 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7287 * cpphash.c (trad_stringify, add_pat): New functions.
7288 (collect_expansion): Restore support for -traditional syntax.
7289 Use trad_stringify and add_pat.
7290 (_cpp_macroexpand): Restore support for -traditional semantics.
7291 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7292 get a COMMENT token.
7293 (_cpp_lex_token): Provide COMMENT tokens to caller if
7294 traditional and parsing_define_directive.
7295 (skip_comment): Warn about // comments if -Wtraditional.
7296 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7298 (do_undef): Don't warn about undefining EMPTY nodes.
7300 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7302 * loop.c (strength_reduce): Fix biv removal code.
7304 2000-04-22 Richard Henderson <rth@cygnus.com>
7306 * predict.c (estimate_probability): Examine both sides of
7307 a branch for no exits. Use 90% not 50% for predict taken.
7308 Reorg for one copy of note generation code.
7310 2000-04-22 Richard Henderson <rth@cygnus.com>
7312 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7314 2000-04-22 Richard Henderson <rth@cygnus.com>
7316 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7317 (output_clear): Likewise.
7318 (output_printf): Use va_copy.
7319 (vline_wrapper_message_with_location): Likewise.
7320 (v_message_with_decl): Likewise.
7321 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7322 * system.h (va_copy): Provide default implementation.
7324 2000-04-22 Richard Henderson <rth@cygnus.com>
7326 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7327 the collected condition is not a constant.
7329 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7331 * diagnostic.h: New file.
7333 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7335 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7336 various function prototypes.
7337 (diagnostic.h): #include.
7338 (struct output_buffer): Move into diagnostic.h.
7339 (get_output_prefix): Rename to output_get_prefix. Export.
7340 (init_output_buffer): Export. Break out. Ajust intialization.
7341 (output_space_left, output_append): Export.
7342 (output_newline): Rename to output_add_newline. Export.
7343 (output_clear): Nullify additional output_buffer fields.
7344 (output_puts): Rename to output_add_string. Export.
7345 (dump_output): Rename to output_flush_on. Export.
7346 (build_location_prefix): Constify return-type.
7347 (emit_output_prefix): Rename to output_emit_prefix. Export.
7348 (set_real_maximum_length): New function.
7349 (output_set_maximum_length): Ditto
7350 (output_clear): Ditto.
7351 (output_add_character): Ditto.
7352 (output_add_integer): Ditto.
7353 (output_add_space): Ditto.
7354 (output_format): Ditto.
7355 (output_printf): Adjust buffer initialization.
7356 (vline_wrapper_message_with_location): Ditto.
7357 (v_message_with_decl): Ditto. Adjust call to output_puts
7358 and get_output_prefix.
7359 (default_print_error_function): Adjust buffer intialization.
7361 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7363 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7366 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7368 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7371 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7373 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7374 accurate data about SP moves.
7376 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7378 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7379 aliases to AM33 registers.
7381 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7383 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7384 to all EXTENDED bitmaps.
7386 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7388 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7389 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7390 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7392 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7394 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7395 the operand is not constant.
7397 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7399 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7400 as a call-clobbered regs.
7402 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7404 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7406 * rtl.def: Update comment.
7407 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7408 * integrate.c (expand_inline_function): Likewise.
7409 * profile.c (branch_prob): Likewise.
7410 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7411 * print-rtl.c (print_rtx): Likewise.
7412 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7413 (reemit_notes): Likewise; also use enum insn_note.
7415 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7416 (place_field): Properly compute know and actual alignment.
7418 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7421 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7424 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7426 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7427 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7428 (collect_expansion): Rewrite to scan over a token list.
7429 Remove -traditional support.
7430 (collect_formal_parameters): Rename to collect_params; rewrite
7431 to scan over a token list.
7432 (_cpp_create_definition): Adjust to scan a token list.
7433 (_cpp_macroexpand): Remove -traditional support.
7434 (_cpp_compare_defs): Whitespace is now canonicalized.
7435 (comp_def_part): Delete function.
7437 * cpphash.h: Update prototypes.
7438 * cpplex.c (init_token_list): Don't set lineno if there is no
7440 (pedantic_whitespace): New function.
7441 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7442 consume a newline. Use pedantic_whitespace.
7443 (_cpp_lex_token): Remove support for -traditional macros.
7444 (_cpp_get_define_token): Delete.
7445 (_cpp_get_directive_token): Do the real work here. Use
7446 pedantic_whitespace.
7447 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7449 * cpplib.c (get_macro_name): Delete.
7450 (do_define): Read the entire line into pfile->directbuf, then
7451 feed the token list to _cpp_create_definition.
7452 * cpplib.h (HSPACE_BEFORE): new define.
7453 (struct cpp_reader): Add a toklist member, "directbuf".
7455 * predict.c (estimate_probability): New heuristic: if a jump
7456 branches around a block with no successors, predict it taken.
7457 Disentangle control flow.
7459 2000-04-20 Richard Henderson <rth@cygnus.com>
7461 * loop.c (emit_iv_add_mult): Revert last change.
7463 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7465 * cpplib.h (enum cpp_ttype): Add token types for all
7466 punctuators. Distinguish pp-numbers from valid C numbers.
7467 Give some tokens better names. Initialize from macro.
7468 (struct cpp_name, cpp_token, cpp_toklist): New data
7471 * cpplex.c (bump_column, expand_name_space,
7472 expand_token_space, init_token_list, cpp_output_list,
7473 _cpp_scan_line): New functions.
7474 (output_line_command): Add third argument, new line number.
7475 * cpphash.h: Update prototypes.
7476 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7479 2000-04-20 Richard Henderson <rth@cygnus.com>
7481 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7483 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7485 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7488 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7490 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7491 REG_EQUAL note explaining the calculated value.
7493 * calls.c (expand_call): Avoid unnecesary precalculation
7494 and outgoing parameters space guarding for sibling calls.
7495 (store_one_arg): Likewise.
7497 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7499 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7500 (rest_of_compilation): Write sibling dump file and account
7501 for time as jump time.
7502 * invoke.texi: Update documentation on dump flags.
7504 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7506 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7508 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7510 * cpphash.c (special_symbol): Represent an empty macro with
7511 "\r \r " not just "\r ".
7512 (_cpp_macroexpand): Correct condition for the foo ( ) special
7514 (unsafe_chars): Handle EOF as second argument.
7515 (push_macro_expansion): Simplify test for removing escape at
7516 end. Do not trim both escapes if there is no text in between.
7518 2000-04-19 Jim Blandy <jimb@redhat.com>
7520 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7521 of PTR_SIZE, when appropriate.
7523 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7525 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7526 (USE_ENUM_BITFIELDS): Fix typo.
7528 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7530 * stor-layout.c (place_field): Set rli->offset_align properly.
7532 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7534 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7535 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7536 PARM_BOUNDARY): Remove unnecessary casts.
7538 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7540 * calls.c (precompute_arguments): Remove must_preallocate and
7542 (expand_call): Update call of precompute_arguments.
7544 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7545 check_insn_for_givs): Break out from ...
7546 (strength_reduce) ... here; use for_every_insn_in_loop to call
7547 check_insn_for_givs.
7548 * loop.h (for_every_insn_in_loop): Declare.
7549 (loop_insn_callback): New type.
7551 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7553 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7556 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7558 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7561 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7563 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7565 * configure.in: Delete --disable-cpplib option and all
7566 references to cpp_main.
7567 * configure: Regenerate.
7568 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7569 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7570 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7571 cpp$(exeext). Add --no-headers to makeinfo command line when
7572 generating INSTALL. Install and uninstall cpp.1 manpage, not
7574 * install.texi: Delete all references to cexp.y/cexp.c.
7575 Delete ancient instructions for compiling GCC on 3b1.
7576 * INSTALL: Regenerate.
7578 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7579 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7580 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7582 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7583 which is no longer tested anywhere.
7585 * cppinit.c (handle_option): Don't run error message through
7588 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7590 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7591 * cpperror.c (hashtab.h): Now include.
7592 * cppexp.c (hashtab.h): Likewise.
7593 * cpplex.c (hashtab.h): Likewise.
7594 * cppfiles.c (hashtab.h): Likewise.
7595 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7596 to htab_find_slot_with_hash.
7597 * cpphash.c (hashtab.h): Now include.
7598 (_cpp_lookup_slot): INSERT is now enum insert_option.
7599 * cpphash.h (_cpp_lookup_slot): Likewise.
7600 * cppinit.c (hashtab.h): Include earlier.
7601 (initialize_builtins): Pass enum to htab_find_slot.
7602 * cpplib.c (hashtab.h): Now include.
7603 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7604 (do_pragma_poison, do_assert): Likewise.
7605 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7606 htab_find_slot_with_hash.
7607 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7608 * tree.c (type_hash_add): Likewise.
7609 (build1): Minor cleanup.
7611 * ggc-common.c: Add missing blanks.
7612 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7613 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7615 * stmt.c (mark_case_node): New function.
7616 (mark_case_nesting): Call it.
7618 * expmed.c (emit_store_flag): If comparing two-word integer
7619 with zero, can optimize NE, EQ, GE, and LT.
7621 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7622 * conflict.c: Minor cleanups.
7623 * optabs.c: Add blank line
7624 * simplify-rtx.c: Minor cleanups.
7626 2000-04-18 Stan Cox <scox@cygnus.com>
7628 * gengenrtl.c (genlegend): Fix misspelling.
7630 2000-04-18 Robert Lipe <robertlipe@usa.net>
7632 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7633 bitfields of the host compiler are not signed quantities.
7634 * config.in: Regenerate.
7635 * configure: Regenerate.
7636 * system.h (USE_ENUM_BITFIELDS): Added.
7637 (ENUM_BITFIELDS): Added.
7638 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7639 (SHORT_ENUM_BUG): Deleted.
7640 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7642 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7643 (CODE_FIELD_BUG): Likewise.
7644 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7646 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7648 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7650 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7653 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7655 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7656 * cpplib.c (do_include, do_import, do_include_next,
7657 read_line_number, detect_if_not_defined): Likewise.
7658 * cpphash.c (collect_expansion): Likewise.
7659 (special_symbol, _cpp_macroexpand): Check return from
7661 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7662 macros. Delete all uses.
7664 * gcc.dg/cpp-mi.c: Add two more test cases.
7665 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7667 2000-04-17 Richard Henderson <rth@cygnus.com>
7669 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7670 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7672 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7674 * function.c (expand_function_start): Use hard_function_value to
7675 compute the RTL to use for DECL_RESULT.
7677 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7679 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7680 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7681 x86_memory_mismatch_stall): New global variables.
7682 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7683 alloved; fix load penalties for Athlon.
7684 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7685 x86_memory_mismatch_stall): Declare.
7686 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7687 TARGET_MEMORY_MISMATCH_STALL): New.
7688 * i386.md (athlon scheduling parameters): Fix latencies according to
7689 Athlon Optimization Manual.
7690 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7692 (fsqrt instruction patterns): Set athlon_decode to direct.
7693 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7694 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7695 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7696 and TARGET_PARTIAL_REGISTER_STALL machines.
7697 (pushdf_nointeger): New pattern.
7698 (pushdf_integer): Rename from pushdf.
7699 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7700 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7702 2000-04-17 Richard Henderson <rth@cygnus.com>
7704 * loop.c (canonicalize_condition): Add WANT_REG argument.
7705 Stop the search if we match it.
7706 * expr.h (canonicalize_condition): Update decl.
7707 * predict.c (expected_value_to_br_prob): Use it. Track last
7708 expected value note.
7709 (find_expected_value): Remove.
7711 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7713 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7715 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7716 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7718 * configure.in: Call AC_FUNC_MMAP_FILE.
7719 * configure: Regenerate.
7720 * config.in: Regenerate.
7722 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7723 * fixinc/fixincl.c: Likewise.
7725 2000-04-17 Richard Henderson <rth@cygnus.com>
7727 * builtins.c (expand_builtin_expect): New.
7728 (expand_builtin): Call it.
7729 * builtins.def (BUILT_IN_EXPECT): New.
7730 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7731 * extend.texi: Document it.
7733 * predict.c (expected_value_to_br_prob): New.
7734 (find_expected_value): New.
7735 * basic-block.h (expected_value_to_br_prob): Declare.
7736 * toplev.c (rest_of_compilation): Invoke it.
7738 * rtl.h (NOTE_EXPECTED_VALUE): New.
7739 (NOTE_INSN_EXPECTED_VALUE): New.
7740 * rtl.c (note_insn_name): Update.
7741 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7742 cases; handle NOTE_INSN_EXPECTED_VALUE.
7744 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7746 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7747 leaf sibcall delay slot if flag_pic.
7748 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7750 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7752 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7754 * fixproto: If fix-header fails, exit with an error.
7756 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7758 * cse.c (struct check_depdendence_data): New.
7759 (check_dependence): New function.
7760 (invalidate): Use check_depdenence.
7762 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7764 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7765 UNITS_PER_WORD is unsigned.
7767 * tree.h (struct tree_common): Remove misleading comment.
7769 2000-04-16 Dave Pitts <dpitts@cozx.com>
7771 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7772 message in quotes. Otherwise, IBM's make program treats the '#' as the
7773 start of a comment and ignores the remainder of the line.
7775 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7777 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7778 * cexp.y (initialize_random_junk): Likewise.
7779 * cppfiles.c (find_include_file): Cast alloca return value.
7780 * cppinit.c (initialize_standard_includes): Likewise.
7781 * cpplib.c (cpp_define, cpp_undef): Likewise.
7782 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7783 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7784 * fold-const.c (CHARMASK): New.
7785 (real_hex_to_f): Use it.
7786 * real.c (CHARMASK): New.
7787 (etoasc, asctoeg): Use it.
7788 (asctoeg): EBCDIC lower case characters preceed upper case.
7790 * i370.c (mvs_add_label): Change spacing for coding conventions.
7791 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7792 outputing case vectors.
7793 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7794 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7795 since vector in in the data CSECT.
7796 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7797 * i370.md (Many patterns): Put the length in the XL directives.
7798 (movdi): Put back STM and MVC in definition.
7799 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7800 pattern using the TCA.
7801 * oe.h (CPP_SPEC): Added to allow trigraphs.
7802 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7803 not support the "long long" type.
7805 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7807 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7809 (mips_reg_mode_ok_for_base_p): Likewise.
7810 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7811 (REG_OK_FOR_INDEX_P): Define unconditionally.
7812 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7813 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7814 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7815 that GET_MODE_SIZE is unsigned.
7816 (mips_reg_mode_ok_for_base_p): Define.
7817 (mips_legitimate_address_p): Likewise. Adjust now
7818 that GET_MODE_SIZE is unsigned.
7819 (block_move_loop): Make the number of bytes unsigned.
7820 (expand_block_move): Likewise.
7821 (function_arg): Make the loop counter unsigned to match the
7824 2000-04-16 Richard Henderson <rth@cygnus.com>
7826 * rtl.h (enum insn_note): New enumeration. Subsume
7827 NOTE_INSN_DELETED and friends.
7828 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7829 * rtl.c (note_insn_name): Tweak string order.
7831 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7833 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7836 * cpplex.c (output_line_command): Remove debugging prints.
7837 (cpp_output_tokens): Don't write out a zero-length buffer or
7838 try to see if it has a newline in it.
7839 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7840 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7841 the end of the loop. Use memmove. Don't read past the end of
7842 the buffer. Remove trailing newlines from error messages.
7844 2004-04-16 Neil Booth <NeilB@earthling.net>
7846 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7847 * cpplib.c: Add new syntax flags to directive table, and
7850 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7852 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7855 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7857 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7858 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7860 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7862 * Makefile.in (ggc-page.o): Now includes toplev.h.
7863 * ggc-page.c (toplev.h): Now included.
7864 (gc_time): Remove declaration.
7865 (ggc_collect): TIME now long.
7866 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7868 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7870 * toplev.c: Make *_time variable long to reduce chance of overflow.
7871 (TIMEVAR): Likewise for `otime'.
7872 (print_time): Arg is now long; compute percentage in FP and round.
7873 * toplev.h (print_time): Arg is long.
7875 * tree.c: Minor whitespace changes.
7877 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7878 * configure: Rebuilt.
7879 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7880 (__fixunsxfDI): Renamed from __fixunsxfdi.
7881 (__fixunsdfDI): Renamed from __fixunsdfdi.
7882 (__fixunssfDI): Renamed from __fixunssfdi.
7883 (__floatdisf): Use proper type in REP_BIT macro.
7884 (__fixunsxfSI): Renamed from __fixunsxfsi.
7885 (__fixunsdfSI): Renamed from __fixunsdfsi.
7886 (__fixunssfSI): Renamed from __fixunssfsi.
7887 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7888 Change location of macros and upper-case some names as above.
7889 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7890 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7892 * varasm.c (assemble_variable): Add cast to remove warning.
7893 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7895 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7896 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7897 region number to -1.
7899 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7901 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7902 call unshare_all_rtl.
7904 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7906 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7908 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7909 Use .s1 not .s0 for all FP instructions.
7911 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7913 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7915 (safe_fwrite, output_line_command): New static functions.
7916 (cpp_expand_to_buffer): Now private to cpplib.
7917 (cpp_scan_buffer): Take a printer.
7919 * cpphash.h: Update prototypes.
7920 * cpplib.h: Update prototypes.
7922 (cpp_buffer): Remove last_nominal_fname.
7923 (cpp_reader): Remove lineno.
7925 * cppmain.c: Use a cpp_printer.
7926 * fix-header.c: No need to inhibit line commands. Call
7927 cpp_start_read with no printer.
7929 * cpperror.c (cpp_notice_from_errno): Provide default name.
7930 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7931 (find_include_file, cpp_read_file): Use make_IHASH.
7932 (file_cleanup): Set control_macro and clear
7933 input_stack_listing_current here.
7934 (_cpp_execute_include): Don't output entering-file marker.
7935 * cpphash.c (special_symbol): Look for the line number in the
7936 buffer, not the reader.
7937 (_cpp_macroexpand): No need to disable line commands.
7938 (_cpp_dump_definition): No need to generate line commands.
7939 (dump_hash_helper): Remove excess newline from output.
7940 * cppinit.c (dump_special_to_buffer): No need to generate line
7942 (cpp_printer_init): New.
7943 (cpp_start_read): Take a printer, and start it up if it's not
7944 NULL. No need to generate line commands.
7945 (cpp_finish): Expect no buffers stacked at all. Take a
7946 printer argument, and flush the output buffer if it's not
7948 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7949 Don't put two hashes at the beginning of an assertion.
7950 (cpp_get_token): Don't increment pfile->lineno or emit line
7951 commands here. Return EOF if there's no buffer when we get
7953 * cpplib.c (do_define, skip_if_group):
7954 No need to disable line commands.
7955 (_cpp_output_line_command): Delete function.
7956 (do_line): Don't emit line commands here, but set things up so
7957 they will be emitted if necessary. Use _cpp_fake_ihash to
7958 make unique nominal_fnames if necessary.
7959 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7960 with 0 for column, not -1.
7961 (_cpp_handle_eof): Don't set the control macro here. Don't
7962 clear input_stack_listing_current here. Don't emit line
7965 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7967 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7968 always, use the default SVR4 start address.
7970 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7971 (LINK_SHLIB_SPEC): Define.
7972 (LINK_START_DEFAULT_SPEC): Define.
7973 (LINK_OS_DEFAULT_SPEC): Define.
7975 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7977 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7978 __do_global_ctors to handle constructors.
7979 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7980 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7981 (STARTFILE_MVME_SPEC): Likewise.
7982 (STARTFILE_SIM_SPEC): Likewise.
7983 (ENDFILE_ADS_SPEC): Use crtend.
7984 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7985 (ENDFILE_MVME_SPEC): Likewise.
7986 (ENDFILE_SIM_SPEC): Likewise.
7987 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7988 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7989 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7990 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7991 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7992 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7993 (CRTSTUFF_T_CFLAGS_S): Define.
7994 * config/rs6000/eabi-ctors.c: Delete.
7996 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
7999 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8003 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8005 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8006 plus mask size is smaller or equal to the mode size.
8008 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8010 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8013 * expr.c (reload.h): Now included.
8014 (emit_block_move): Set volatile_ok when checking for movstr.
8015 (emit_move_1): Check for replacements in addresses in multi-word case.
8016 * Makefile.in (expr.o): Now includes reload.h.
8018 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8019 Never have a LIBCALL end a basic block.
8020 (find_basic_blocks_1): Likewise.
8021 Reorganize CALL_INSN cases.
8023 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8025 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8027 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8028 completers from mov.ret instruction.
8030 2000-04-14 Richard Henderson <rth@cygnus.com>
8032 * fold-const.c (extract_muldiv): Don't distribute and widen
8033 multiply across plus for non-sizetype unsigned types.
8035 2000-04-14 Richard Henderson <rth@cygnus.com>
8037 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8038 If the original source is dead in the incr insn, it's dead now.
8040 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8042 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8043 see if DECL_BIT_FIELD needs to still be set.
8045 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8047 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8048 print_int_cst_octal with something that's not an INTEGER_CST.
8050 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8051 and not a SUBREG to a FLOAT rtl.
8053 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8055 * emit-rtl.c (try_split): Avoid infinite loop if the split
8056 results in a sequence that contains the original insn.
8058 2000-04-13 Andreas Jaeger <aj@suse.de>
8060 * config/mips/mips.c (expand_block_move): Pass alignment
8061 argument to move_by_pieces in bits, not bytes.
8063 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8064 __pic__ for little endian.
8066 2000-04-13 Andreas Jaeger <aj@suse.de>
8068 * config/i386/i386-protos.h: Add prototype for
8069 uno_comparison_operator.
8071 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8073 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8074 * calls.c (ECF_PURE): New flag.
8075 (emit_call_1): Handle ECF_PURE calls.
8076 (initialize_argument_information): Unset ECF_PURE flag too.
8077 (precompute_arguments): Precompute for ECF_PURE too.
8078 (expand_call): Handle ECF_PURE calls too.
8079 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8080 accept value of 2 as pure function.
8081 (emit_library_call_value, emit_library_call): Rename no_queue argument
8083 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8085 * tree.h (DECL_IS_PURE): New macro.
8086 (struct tree_decl): Add pure_flag.
8087 * c-common.c (enum attrs): Add attribute "pure".
8088 (init_attributes): Initialize attribute "pure"
8089 (decl_attributes): Handle attribute "pure".
8090 * extend.texi (Attribute "pure"): Document.
8091 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8093 (flags_from_decl_or_type): Support attribute "pure".
8095 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8097 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8098 the token except for numbers and identifiers.
8100 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8102 * i386.c (ix86_expand_binary_operator,
8103 ix86_expand_unary_operator): Check no_new_pseudos
8104 instead of reload_in_progress and reload_completed.
8105 (ix86_split_ashldi, ix86_split_ashrdi,
8106 ix86_split_lshrdi): Check no_new_pseudos instead
8107 of reload_completed.
8109 2000-04-12 Jeffrey A Law (law@cygnus.com)
8111 * function.c (purge_addressof): Unshare any shared rtl created by
8112 purge_addressof and its children.
8114 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8116 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8119 2000-04-05 Andreas Jaeger <aj@suse.de>
8121 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8122 not compiling PIC code, add flags for mabi=64.
8123 (SUBTARGET_CPP_SIZE_SPEC): New.
8124 (SUBTARGET_CPP_SPEC): New.
8125 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8126 for MIPS/Linux and lots of code needs these defines.
8128 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8130 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8131 trying the "opposite arithmetic" approach.
8133 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8135 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8136 (struct sh_args): Add new field force_mem.
8137 (INIT_CUMULATIVE_ARGS): Initialize it.
8138 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8140 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8142 * calls.c (expand_call): Do not reverse args in "equal from" field.
8143 (emit_library_call_value_1): Emit_libcall_block for const and pure
8146 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8148 * reload1.c (reload_combine): Don't enable optimization for fixed
8149 registers when encountering a BARRIER.
8151 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8153 * builtins.c (expand_builtin_memcmp): Do expansion even with
8154 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8156 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8157 stack is propertly aligned; add sanity checking for aligned
8159 (expand_library_call_value_1): Add sanity checking for aligned
8162 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8164 * calls.c (emit_library_call_value_1): Change 3rd arg to
8165 locate_and_pad_parm to disregard the setting of partial.
8167 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8169 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8171 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8172 CALL_INSN from the normal case.
8174 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8176 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8177 New global variables.
8178 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8180 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8182 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8183 TARGET_ADD_ESP_8): New macros.
8184 * i386.md: Add peep2s to convert esp adjustments to push and pop
8186 (pushsi_prologue, popsi_epilogue): New patterns.
8188 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8190 * real.c (toe64): Remove stale #endif from the last change.
8192 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8194 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8195 * real.c (toe64): Revert previous change.
8197 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8199 * objc/objc-act.c: Include ggc.h.
8200 (objc_tree_index, objc_global_trees): Convert most of the
8201 static tree variables into a static array with previous names
8203 (objc_ellipsis_node): New variable.
8204 (lang_init): Call objc_act_parse_init and c_parse_init.
8205 Create objc_ellipsis_node.
8206 (build_selector_translation_table): Use objc_ellipsis_node instead
8208 (hack_method_prototype): Likewise.
8209 (get_arg_type_list): Likewise.
8210 (start_method_def): Likewise.
8211 (continue_method_def): Likewise.
8212 (gen_method_decl): Likewise.
8213 (ggc_mark_imp_list): New function.
8214 (ggc_mark_hash_table): New function.
8215 (objc_act_parse_init): New function.
8216 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8217 * c-parse.in (c_parse_init): For objc add roots of objc specific
8218 local tree variables.
8219 * objc/objc-parse.y: Rebuilt.
8220 * objc/objc-parse.c: Rebuilt.
8221 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8223 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8225 * cse.c (delete_trivially_dead_insns): Also delete insns
8226 that copy a register to itself where the destination is
8229 2000-04-11 Richard Henderson <rth@cygnus.com>
8231 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8232 (propagate_block): Initialize them. Use them in parallel instead
8233 of one tmp variable, ie revert much of the 0408 and 0407 functional
8234 changes, but keep the structural changes.
8235 (mark_set_regs): Take new_dead from propagate_block_info instead.
8236 (mark_set_1, mark_set_reg): Likewise.
8237 (mark_used_regs): Likewise with new_live.
8238 (mark_used_reg): Likewise. Revert 0408 change.
8240 2000-04-11 Nick Clifton <nickc@cygnus.com>
8242 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8244 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8246 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8248 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8249 const section to output a CONSTRUCTOR based on the same conditions
8252 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8254 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8255 * pa/pa-protos.h (output_call): Add additional argument indicating
8256 if the call is a sibling/tail call.
8257 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8258 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8259 (function_arg, function_arg_partial_nregs): Likewise
8260 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8261 (emit_move_sequence): Zero extend certain constants as needed
8263 (compute_zdepdi_operands, output_64bit_and): New functions.
8264 (output_64bit_ior, function_arg): Likewise.
8265 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8266 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8267 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8268 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8269 (output_bvb): Likewise.
8270 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8271 (output_call): New argument 'sibcall'. Generate sibcall sequences
8273 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8274 (ouput_arg_descriptor): Do not emit argument descriptors for
8276 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8278 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8279 (FUNCTION_OK_FOR_SIBALL): Define.
8280 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8281 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8282 (CPP_SPEC): Use new spec infrastructure.
8283 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8284 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8285 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8286 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8287 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8288 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8289 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8290 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8291 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8292 (FUNCTION_ARG); Call out to C code.
8293 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8294 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8295 (MIN_UNITS_PER_WORD): Likewise.
8296 * pa/pa.md (cmpdi): New expander.
8297 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8298 (64bit conditional arithmetic): New patterns.
8299 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8300 (movsicc): Not available if modes on all the operands to not match.
8301 (movdicc): New expander and associated patterns.
8302 (64bit branches): New patterns.
8303 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8304 (pre_ldd, post_std): New patterns.
8305 (64bit addil, load low part): New patterns.
8306 (special movsf constant): Not available for TARGET_64BIT.
8307 (movsf, movdf expanders): Force constants into memory.
8308 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8309 (64bit movdf/movdi patterns): New patterns.
8310 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8312 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8313 (adddi3 expander): Allow "arith_operand" for second input.
8314 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8315 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8316 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8317 (muldi3): New expander for TARGET_64BIT.
8318 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8320 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8321 patterns for TARGET_64BIT.
8322 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8323 patterns for TARGET_64BIT.
8324 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8325 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8326 (sibcall_epilogue): New expander.
8327 (casesi): Tweak for TARGET_64BIT.
8328 (call expanders): Set & use the outgoing argument pointer. Use the
8329 64bit call patterns as needed. Add additional arg to output_call.
8330 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8331 (sibcall, sibcall_internal_symref): New expanders.
8332 (sibcall_value, sibcall_value_internal_symref
8333 (interspace_jump): Turn into an expander + matching patterns.
8334 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8335 * pa/pa64-regs.h: Eliminate trigraph sequences.
8336 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8338 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8340 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8341 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8342 cpp_token with cpp_ttype everywhere.
8343 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8344 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8345 CPP_BUF_COL. Line and column numbers are unsigned int, not
8347 * cpplex.c (cpp_buf_line_and_col): Delete.
8348 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8349 'long lineno' to 'unsigned int lineno'.
8350 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8352 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8354 * extend.texi: ISO C99 is not a draft anymore.
8355 * invoke.texi: ISO C++ is not a draft anymore.
8356 * cpp.texi: __cplusplus is required by the ISO standard.
8358 * extend.texi (-fthis-is-variable): Undocument.
8359 * flags.h (warn_template_debugging): Remove declaration.
8360 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8361 -Wenum-clash, -Wtemplate-debugging): Undocument.
8363 2000-04-10 Nick Clifton <nickc@cygnus.com>
8365 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8367 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8369 (ARM_SIGN_EXTEND): Use HOST_UINT.
8370 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8371 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8372 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8373 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8375 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8376 (arm_gen_constant): Use HOST_UINT.
8377 (arm_canonicalize_constant): Use HOST_UINT.
8378 (arm_reload_in_hi): Use HOST_UINT.
8379 (arm_reload_out_hi): Use HOST_UINT.
8380 (output_multi_immediate): Use HOST_UINT.
8381 (int_log2): Use HOST_UINT.
8382 (arm_poke_function_name): Use HOST_UINT.
8383 (arm_output_epilogue): Use arm_volatile_func().
8384 (output_thumb_prologue): Use arm_strip_name_encoding().
8386 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8388 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8389 of sequence point problems.
8391 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8393 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8395 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8397 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8399 * sbitmap.h: Whitespace changes and use upper-case macro args.
8400 (struct simple_bitmap_def): All sizes now unsigned.
8401 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8402 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8403 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8404 (sbitmap_zero): Cast bzero arg to PTR.
8405 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8406 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8407 loop to make structure clearer.
8408 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8409 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8410 (sbitmap_a_and_b_or_c): Likewise.
8411 (sbitmap_intersection_of_succs): Minor cleanups.
8412 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8413 (sbitmap_union_of_preds): Likewise.
8414 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8415 (debug_sbitmap): New function.
8417 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8418 * c-typeck.c (convert_for_assignment): Likewise.
8420 * expmed.c (init_expmed): Don't free objects we make.
8421 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8423 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8424 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8426 * gcse.c (expr_hash_table_size): Now unsigned.
8427 (compute_ae_gen): Local variable `i' now unsigned.
8428 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8429 (compute_transout, hoist_code): Likewise.
8430 (compute_local_properties): Likewise, also hash_table_size.
8431 (alloc_expr_hash_table): N_INSNS now unsigned.
8432 (delete_null_pointer_checks): Mark arg F as unused.
8434 * regrename.c: Minor cleanups, including chang some variables
8437 2000-04-10 Neil Booth <NeilB@earthling.net>
8439 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8441 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8443 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8445 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8446 __classof__, and __headof__ from the list of gnu keywords.
8447 (-ansi): Remove -foperator-names from list of implied options.
8448 Do not call it ANSI C++.
8449 (-foperator-names): Document as -fno-operator-names.
8451 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8453 * cpphash.c (timestamp): Delete.
8454 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8455 (special_symbol): Remove unnecessary braces. Remove
8456 T_VERSION. Treat T_STDC like T_CONST unless
8457 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8458 when one is encountered, then convert them into T_MCONST
8460 * cppinit.c (builtin_array): version_string is T_MCONST.
8461 __STDC__ has a "1" in its cpval. Don't have a terminator
8462 entry. Clean up which entries are dumped.
8463 (initialize_builtins): Only __STDC__ gets the special
8464 -traditional treatment. Count the length of builtin_array.
8465 Render version_string here.
8466 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8467 * cpplib.h (struct cpp_reader): Remove timebuf.
8469 2000-04-09 Richard Henderson <rth@cygnus.com>
8471 * genrecog.c (pred): Update comparison_operator for the unordered
8474 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8476 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8477 (uno_comparison_operator): New.
8478 (put_condition_code): Handle UNORDERED/ORDERED.
8479 (unsigned_comparison): Likewise.
8480 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8481 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8482 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8483 update all callers. Handle all 8 unordered operators.
8484 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8485 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8486 * config/i386/i386.h (PREDICATE_CODES): Update.
8487 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8488 (ix86_expand_branch, ix86_expand_setcc): Update.
8489 * config/i386/i386.md (sunordered, sordered): New.
8490 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8491 (bunordered, bordered): New.
8492 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8493 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8494 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8496 2000-04-09 Philip Blundell <philb@gnu.org>
8498 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8500 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8502 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8503 fix_truncxfhi2): New patterns.
8504 * i386.c (output_fix_trunc): Handle converting to HImode.
8506 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8508 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8510 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8511 (for_each_successor_phi): Change parameter to basic_block.
8512 (coalesce_regs_in_successor_phi_nodes): Likewise.
8513 (coalesce_regs_in_copies): Likewise.
8514 (compute_coalesced_reg_partition): Use basic_block instead of index.
8515 * rtl.h (convert_to_ssa): Delete.
8516 (convert_from_ssa): Likewise.
8517 (successor_phi_fn): Likewise.
8518 (for_each_successor_phi): Likewise.
8519 (in_ssa_form): Likewise.
8520 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8521 (convert_from_ssa): Likewise.
8522 (successor_phi_fn): Likewise.
8523 (in_ssa_form): Likewise.
8524 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8525 * flow.c (calculate_global_regs_live): Pass a basic_block to
8526 for_each_successor_phi.
8528 2000-04-08 Richard Henderson <rth@cygnus.com>
8530 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8531 was modified in the current insn.
8533 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8535 * arm/thumb.md: Delete.
8536 * arm/thumb-protos.h: Delete.
8538 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8540 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8542 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8544 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8547 * arm.md (nop): Use the standard RTL expression. Don't code as a
8549 (*arm_nop, *thumb_nop): Delete.
8551 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8552 constants. Use casts instead.
8553 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8554 output_multi_immediate, arm_poke_function_name): Likewise.
8555 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8556 MASK_RETURN_ADDDR): Likewise.
8558 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8560 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8563 * arm.md (eh_epilogue): New function.
8564 * arm.h (struct machine_function): Move to here ...
8565 * arm.c: ... from here.
8566 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8567 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8568 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8570 2000-03-30 Nick Clifton <nickc@cygnus.com>
8572 * config/arm/semi.h (ASM_SPEC): Restore definition.
8573 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8575 * config/arm/elf.h (ASM_SPEC): Restore definition.
8576 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8578 * config/arm/arm.h (ASM_SPEC): Remove definition.
8579 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8581 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8583 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8585 2000-03-24 Nick Clifton <nickc@cygnus.com>
8587 Various formating tidyups, elimination of compile time
8588 warnings and synchronisation with internal sources:
8590 * config/arm/arm-protos.h (assemble_align): Add prototype.
8591 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8592 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8593 (arm_return_addr_rtx): Rename to arm_return_addr.
8595 * config/arm/arm.c: Include except.h.
8596 Define shorter typenames for strict minipool_node and struct
8598 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8600 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8601 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8603 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8605 (ASM_SPEC): Define if not already defined.
8606 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8608 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8609 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8610 arm_gen_compare_reg.
8611 (indirect_jump): Only accept register operands.
8612 (load_indirect_jump): Keep this pattern since combine can generate
8615 * config/arm/coff.h: Include aout.h.
8616 (MULTILIB_DEFAULTS): Only define if not already defined.
8618 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8619 into arm.h (so that COFF ports can support thumb based aliases).
8620 (ASM_SPEC): Move definition into arm.h
8622 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8623 redundant apcs spec.
8624 (ASM_SPEC): Move definition to arm.h
8626 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8628 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8629 for entries in the .bss section
8631 2000-03-23 Nick Clifton <nickc@cygnus.com>
8633 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8634 to thumb_far_jump_used_p.
8636 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8637 single integer parameter.
8639 * config/arm/arm.c (struct machine_function): Add two new
8640 fields, 'far_jump_used' and 'arg_pointer_live'.
8641 (thumb_far_jump_used_p): Once the decision has been made that
8642 far jumps might be used, always return true.
8643 If being called from the initial elimination offset macro then
8644 do not bother to perform the test if the arg pointer is not
8646 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8647 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8649 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8651 * arm.c (output_return_instruction): Handle more cases where we can
8652 return from a function with an ldr instruction.
8653 (arm_output_epilogue): Likewise.
8655 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8656 if we need to push a large stack frame and there are no callee-saved
8659 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8660 in ARM code if the frame pointer has been eliminated.
8662 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8663 unspec_volatile arguments to avoid duplicates.
8664 (consttable_1, consttable_2): Fixes for big-endian mode.
8666 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8669 Re-write constant pool code.
8670 * arm.c (minipool_node, minipool_fix): New types.
8671 (minifix): Delete type.
8672 (arm_add_minipool_constant): Delete.
8673 (arm_compute_minipool_offsets, arm_find_barrier,
8674 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8675 (get_jump_table_size): Now returns HOST_WIDE_INT.
8676 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8678 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8679 (assign_minipool_offsets, arm_print_value): Likewise.
8680 (dump_minipool): Rewrite.
8681 (arm_barrier_cost): New function.
8682 (create_fix_barrier): New function.
8683 (push_minipool_barrier): New function.
8684 (push_minipool_fix): Record additional information about the fixup
8686 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8687 check the mode of what needs fixing.
8688 (arm_reorg): Rewrite.
8690 2000-03-08 Nick Clifton <nickc@cygnus.com>
8692 * config/arm/arm.md (indirect_jump): Force constant addresses into
8695 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8697 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8699 2000-02-24 Nick Clifton <nickc@cygnus.com>
8701 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8702 adjust is word aligned.
8703 (thumb_expand_epilogue): Make sure that stack adjust is word
8706 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8708 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8710 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8711 pointer relative addresses.
8713 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8715 * arm.c (find_barrier): Find the last barrier within the allowed
8718 2000-02-09 Nick Clifton <nickc@cygnus.com>
8720 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8722 2000-02-09 Nick Clifton <nickc@cygnus.com>
8724 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8725 ARM_FUNCTION_PROFILER.
8727 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8728 ARM_FUNCTION_PROFILER.
8730 * config/arm/linux-oldld.h: Imported from mainline sources.
8732 2000-02-07 Nick Clifton <nickc@cygnus.com>
8734 * config/arm/lib1funcs.asm: Merge in thumb functions from
8737 * config/arm/lib1thumb.asm: Delete.
8739 2000-02-04 Nick Clifton <nickc@cygnus.com>
8741 * config/arm/arm.c: Sychronised with current Red hat local
8743 * config/arm/arm.h: Ditto.
8744 * config/arm/arm-protos.h: Ditto.
8746 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8748 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8750 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8753 2000-02-02 Nick Clifton <nickc@cygnus.com>
8755 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8757 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8758 (return) was emited using an emit_insn() call.
8760 2000-01-31 Nick Clifton <nickc@cygnus.com>
8762 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8764 (thumb_exit): Move frame pointer back into hard frame pointer
8765 register if backtracing is being used.
8767 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8769 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8772 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8774 * config/arm/arm.md (neg_pool_offset): Provide default for new
8776 (arm_movsi_insn): Add neg_pool_offset attribute.
8777 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8778 rtx for the insn that starts the scan and an unsigned long for its
8779 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8780 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8781 instructions in *PINSERTED.
8782 (struct minipool_fixup): Add MIN_ADDRESS elt.
8783 (sort_fixups): Compute it.
8784 (arm_reorg): Changes to support inserting pools before the insn to be
8787 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8789 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8790 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8791 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8793 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8795 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8797 (TARGET_DEFAULT): Do not define if already defined.
8799 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8801 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8802 (iordi3): Allow disjoint source operands.
8803 (xordi3): Allow disjoint source operands.
8804 (negdi2): Permit construction for ARM and Thumb.
8805 (arm_negdi2): Renamed version of old negdi2 pattern.
8806 (thumb_negdi2): New pattern: Only permit non-overlapping
8807 source and destination.
8809 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8811 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8812 scratch low register so that it will not be deleted.
8814 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8816 * config/arm/pe.h (ARM_PE): Define.
8818 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8819 interfacearm attribute if this is a PE toolchain.
8820 (output_return_instruction): Do not emit anything if the function
8821 has the naked attribute set.
8822 (is_called_in_ARM_mode): If the function has the interfacearm
8823 attribute then return true.
8824 (thumb_expand_prologue): Do not generate a prologue for naked
8826 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8828 (output_thumb_prologue): Do not bother if the function is naked.
8829 Strip PE encoding from function name before emitting.
8831 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8833 * arm.md (pic_load_addr): Fix constraints.
8835 * arm.md (casesi_insn): Fix mis-applied patch.
8837 * arm.md ("core" function unit): Add rules for single- and
8839 (All TARGET_THUMB patterns): Add "type" attribute information
8841 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8842 the following insn is a CALL.
8844 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8846 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8847 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8848 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8850 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8852 * config/arm/linux-gas.h: oops - this file was missed out when the
8853 branch was created...
8855 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8857 * thumb.c: Deleted. Move contents to ...
8859 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8861 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8864 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8865 declare a prototype for asm_output_align();
8867 * arm.c (thumb_condition_code): Delete.
8868 (arm_print_operand): Always use arm_condition_code array.
8870 * arm.c (thumb_return_addr_rtx): Delete.
8871 (arm_save_machine_status, arm_restore_machine_status): Delete.
8872 (arm_init_machine_status, arm_mark_machine_status): New functions.
8873 (arm_init_expanders): Update accordingly.
8874 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8875 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8876 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8878 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8880 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8882 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8885 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8887 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8888 stack backtrace structure.
8890 * config/arm/arm-protos.h: Add prototypes for functions defined in
8893 * config/arm/arm.c (arm_override_options): Fix selection of
8894 attributes of default processor.
8896 * config/arm/coff.h: Delete needless #include.
8898 * config/arm/pe.c: Delete unused code.
8900 * config/arm/pe.h (CPP_DEFINES): Delete
8901 (SUBTARGET_CPP_SPEC): Define.
8902 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8904 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8906 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8908 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8910 (CAN_DEBUG_WITHOUT_FP): Define.
8911 (FIXED_REGISTERS): Make r11 call-saved.
8912 (CALL_USED_REGISTERS): Likewise.
8913 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8914 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8915 frame-pointer is required.
8916 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8917 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8918 if the target normally needs a stack frame in non-leaf functions.
8919 (use_return_insn): Correct logic for determining when a return
8920 instruction can be used.
8921 (output_return_instruction): Handle the frame-pointer register as
8922 a normal register when not TARGET_APCS_FRAME.
8923 (arm_output_prologue): Likewise.
8924 (arm_output_epilogue): Likewise.
8925 (output_func_epilogue): Likewise.
8926 (arm_expand_prologue): Likewise.
8927 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8929 * arm.c (use_return_insn): No need to check floating point regs if
8931 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8932 the code of value stored in the minipool array.
8933 (arm_add_minipool_constant): Likewise.
8935 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8937 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8939 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8941 * tree.c (tree_expr_nonnegative_p): New function.
8943 * tree.h (tree_expr_nonnegative_p): Declare.
8945 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8946 elide some sign_compare warnings.
8947 (build_conditional_expr): Likewise.
8949 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8951 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8953 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8954 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8955 operand. Abort if a 387 operand has an unsupported size.
8957 2000-04-08 Neil Booth <NeilB@earthling.net>
8959 * cppexp.c (parse_charconst): Null does not end character
8961 * cppinit.c (ISTABLE): Null character handled as whitespace.
8962 * cpplex.c (null_warning): new function.
8963 (skip_string): Emit warning if nulls encountered.
8964 (_cpp_skip_hspace): Emit warning if nulls encountered.
8965 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8969 2000-04-07 Richard Henderson <rth@cygnus.com>
8971 * flow.c (loop_depth): Remove.
8972 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8973 (struct propagate_block_info): New.
8974 (life_analysis): Don't allocate reg_next_use.
8975 (propagate_block_delete_insn): Break out of propagate_block.
8976 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8977 (propagate_block_delete_libcall): Likewise.
8978 (propagate_block): Create a propagate_block_info struct to pass
8979 to subroutines. Allocate one not two temporary regsets. Don't
8980 clobber memory for const calls. Look for clobbers in
8981 CALL_INSN_FUNCTION_USAGE.
8982 (mark_set_regs): Recognize COND_EXEC.
8983 (mark_set_reg): Break out of mark_set_1.
8984 (mark_used_reg): Break out of mark_used_regs.
8985 (mark_used_regs): Recognize COND_EXEC.
8986 (insn_dead_p): Use propagate_block_info struct.
8987 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8988 (find_auto_inc, try_pre_increment_1): Likewise.
8989 (print_rtl_with_bb): Dump regs live at end too.
8990 (count_reg_sets_1): Pass in loop_depth.
8991 (count_reg_sets, count_reg_references): Likewise.
8992 (recompute_reg_usage): Provide it.
8994 2000-04-07 Richard Henderson <rth@cygnus.com>
8996 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
8999 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9001 * cpplib.c (do_elif): Skip the rest of the line if we're
9002 not going to bother evaluating it.
9003 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9004 to avoid pointless calls to the lexer.
9006 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9008 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9010 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9012 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9014 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9016 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9018 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9020 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9021 crtend so they can be multilibbed.
9022 (STAGESTUFF): Remove s-crt and s-crtS.
9024 2000-04-07 Richard Henderson <rth@cygnus.com>
9026 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9027 if we discover we need a pseudo and no_new_pseudos is true.
9028 * config/alpha/alpha.md (ne:DI insn): New.
9029 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9031 2000-04-07 Richard Henderson <rth@cygnus.com>
9033 * rtl.def (COND_EXEC): New.
9034 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9035 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9037 * genconfig.c (have_cond_arith_flag): Remove.
9038 (have_cond_exec_flag): New.
9039 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9040 (main): Print HAVE_conditional_execution.
9042 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9043 (sched_analyze_insn, print_pattern): Likewise.
9044 * reload.c (find_equiv_reg): Likewise.
9045 * rtlanal.c (reg_referenced_p): Likewise.
9046 (note_stores, dead_or_set_regno_p): Likewise.
9047 (reg_overlap_mentioned_p): Rewrite to use a switch.
9049 * ggc.h (struct rtx_def): Forward declare.
9051 * print-rtl.c (debug_rtx_range): New.
9052 * rtl.h (debug_rtx_range): Declare.
9054 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9056 * gcse.c (gcse_main): Don't rebuild the CFG here.
9057 (delete_null_pointer_checks): Likewise.
9058 * ssa.c (convert_to_ssa): Likewise.
9059 * toplev.c (rest_of_compilation): Do it here instead. Combine
9060 sequential calls to TIMEVAR. Consistently use `insns' instead of
9061 `get_insns()'. Always split insns after reload when optimizing.
9063 * basic-block.h (merge_blocks_nomove): Declare.
9064 (tidy_fallthru_edge): Declare.
9065 * flow.c (merge_blocks_nomove): Document as merging into previous
9066 blocks. Remove cruft from between blocks; remove all edges out of A.
9067 (tidy_fallthru_edge): Export.
9069 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9071 * ssa.c (compute_conservative_reg_partition): Declare with
9073 * toplev.c (clean_dump_file): Remove previously-deleted function
9074 inadvertantly merged back in.
9075 * conflict.c (conflict_graph_add): Use a single call to
9076 htab_find_slot to look up and insert.
9078 2000-04-06 Richard Henderson <rth@cygnus.com>
9080 * genrecog.c (*): Rename _last_insn to last_insn.
9081 (make_insn_sequence): Set the position of the peephole2 C test
9082 to be at the last insn.
9084 2000-04-06 Richard Henderson <rth@cygnus.com>
9086 * flow.c (compute_flow_dominators): Free worklist.
9088 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9090 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9092 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9094 * rtl.h (INSN_P): New macro.
9095 (successor_phi_fn): New typedef.
9096 (for_each_successor_phi): New prototype.
9097 (in_ssa_form): New variable.
9098 (PHI_NODE_P): Likewise.
9099 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9100 phi nodes in successors.
9101 (mark_used_regs): Add PHI case.
9102 (set_phi_alternative_reg): New function.
9103 (life_analysis): Assert that dead code elimination is not selected
9105 * toplev.c (to_ssa_time): New variable.
9106 (from_ssa_time): Likewise.
9107 (compile_file): Zero to_ssa_time and from_ssa_time.
9108 Print time to convert to and from SSA.
9109 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9110 (print_time): Compute percent fraction as integer.
9111 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9112 (convert_to_ssa): Check if we're already in SSA.
9113 Don't eliminate dead code in life_analysis.
9114 Rerun flow and life analysis at bottom.
9115 (eliminate_phi): Use canonical regnos when adding nodes.
9116 (mark_reg_in_phi): New function.
9117 (mark_phi_and_copy_regs): Likewise.
9118 (convert_from_ssa): Rerun life analysis at top.
9119 Use coalesced partition.
9120 Check for removing a phi node at the end of the block.
9121 (compute_coalesced_reg_partition): New function.
9122 (coalesce_regs_in_copies): Likewise.
9123 (coalesce_reg_in_phi): Likewise.
9124 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9125 (for_each_successor_phi): Likewise.
9126 (rename_context): New struct.
9127 (rename_block): Use a rename_context with rename_insn_1. When
9128 renaming sets of a subreg, emit a copy of the entire reg first.
9129 (rename_insn_1): Treat data as a rename_context *. Save current
9131 (rename_set_data): Add field set_insn.
9132 * Makefile.in (HASHTAB_H): Move up in file.
9133 (OBSTACK_H): New macro.
9134 (collect2.o): Use OBSTACK_H in dependencies.
9135 (sdbout.o): Likewise.
9136 (emit-rtl.o): Likewise.
9137 (simplify-rtx.o): Likewise.
9138 (fix-header.o): Likewise.
9139 (OBJS): Add conflict.o.
9140 (conflict.o): New rule.
9141 * basic-block.h: Include partition.h.
9142 (conflict_graph): New typedef.
9143 (conflict_graph_enum_fn): Likewise.
9144 (conflict_graph_new): New prototype.
9145 (conflict_graph_delete): Likewise.
9146 (conflict_graph_add): Likewise.
9147 (conflict_graph_conflict_p): Likewise.
9148 (conflict_graph_enum): Likewise.
9149 (conflict_graph_merge_regs): Likewise.
9150 (conflict_graph_print): Likewise.
9151 (conflict_graph_compute): Likewise.
9152 * conflict.c: New file.
9154 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9156 * tlink.c (read_repo_files): Don't look for .rpo info for
9159 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9161 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9163 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9165 * config/sh/lib1funcs.asm (___udivsi3_i4):
9166 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9167 only depends on FMOVD_WORKS.
9169 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9171 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9172 make double constant 8-byte aligned.
9174 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9176 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9177 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9178 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9179 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9180 Accept storing GENERAL_REGS into offsetable memory.
9181 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9182 building a TFmode constant other than 0.0L into GENERAL_REGS.
9184 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9186 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9188 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9190 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9191 (macro_cleanup): No need to cast pbuf->macro.
9192 (collect_expansion): Use _cpp_get_define_token. Goto done if
9193 it returns VSPACE. Remove check for trailing space after
9195 (_cpp_create_definition): Don't diddle flags here. Return
9197 (unsafe_chars): Handle c1 being EOF.
9198 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9199 checks. Don't push the buffer till after we're done with
9201 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9202 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9203 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9205 (_cpp_parse_assertion): Don't NUL terminate.
9206 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9207 hspace before calling _cpp_parse_assertion. Remove all sets
9208 of only_seen_white. Treat '\f' as hspace. Don't do anything
9209 special with '\n' here.
9210 (maybe_macroexpand): Handle T_EMPTY hash entries without
9211 pushing a buffer at all.
9212 (cpp_get_token): Handle clearing only_seen_white here. Handle
9213 incrementing the line number here. Clear
9214 potential_control_macro as well as only_seen_white, if
9216 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9217 (_cpp_get_define_token): New function, basically like
9218 _cpp_get_directive_token was but doesn't eat horizontal space.
9219 Don't do anything with only_seen_white here.
9220 (_cpp_get_directive_token): Just call _cpp_get_define_token
9221 repeatedly till it returns non-hspace.
9223 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9224 (conditional_skip, skip_if_group): Return int.
9225 (DIRECTIVE_TABLE): Change origin of all conditional directives
9227 (TRAD_DIRECT_P): New macro.
9228 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9229 an error for a bogus directive, unless -lang-asm. Use
9230 TRAD_DIRECT_P. Loop calling handler functions till one returns
9232 (get_macro_name): Don't diddle flags here.
9233 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9234 Create T_EMPTY nodes for #define macro /* nothing */.
9235 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9236 Use hp->name when calling pass_thru_directive.
9237 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9238 Return the result of conditional_skip and/or skip_if_group.
9239 Don't call _cpp_output_line_command.
9240 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9241 Issue -Wtraditional warnings as appropriate. Don't complain
9242 about unrecognized directives. If we are to stop skipping,
9243 return the number of the directive that ended the skip.
9244 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9245 expansion and line commands while skipping. Return the result
9246 of consider_directive_while_skipping, if nonzero.
9247 (do_endif): Just set potential_control_macro here.
9248 (validate_else): Use _cpp_get_directive_token.
9249 (do_assert, do_unassert): Don't save pointers into the
9250 token_buffer across calls to the lexer. Use
9251 _cpp_get_directive_token.
9253 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9254 pointer, not an offset. Replace 'data', which was a generic
9255 pointer, with 'macro', which points to a struct hashnode.
9256 (cpp_reader): Add 'potential_control_macro' pointer.
9257 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9258 (CPP_BUF_GET, CPP_FORWARD): Delete.
9259 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9260 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9261 ACTIVE_MARK_P): Update.
9262 (_cpp_get_define_token): New internal function.
9263 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9265 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9267 * configure.in: And here.
9268 * configure: Regenerate.
9269 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9270 --enable-libstdcxx-v3 is passed at configure time.
9271 * config.h.in: Regenerate.
9273 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9275 * final.c (final): Use xcalloc to allocate line_note_exists.
9276 * function.c (free_after_compilation): Free the temp_slots.
9277 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9278 (combine_temp_slot): Free temp_slots when they get combined.
9279 (purge_addressof): Fix typo in comment.
9280 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9281 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9283 * ggc.h: Include varray.h.
9284 (ggc_pending_trees): Declare.
9285 (ggc_mark_tree_children): Remove declaration.
9286 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9287 * ggc-common.c (ggc_pending_trees): New variable.
9288 (ggc_mark_roots): Call ggc_mark_trees.
9289 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9290 the ggc_pending_trees.
9291 * Makefile.in (GGC_H): New variable. Use it throughout in place
9294 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9296 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9299 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9301 * sh.c (sh_insn_length_adjustment): New function.
9302 * sh-protos.h (sh_insn_length_adjustment): Declare.
9303 * sh.h (ADJUST_INSN_LENGTH): Use it.
9305 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9307 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9308 from the insn where REG_RETVAL is added.
9309 (emit_no_conflict_block): Ditto.
9311 * md.texi (Standard Names): Clarify when movX is needed.
9313 * combine.c (simplify_comparison) [MINUS]: Do not replace
9314 all (op (minus A B) 0) with (op A B).
9316 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9317 J"orn Rennecke <amylaar@cygnus.co.uk>
9319 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9320 (block_lump_real): Likewise.
9322 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9324 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9325 remaining non-zero debugging masks.
9327 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9329 * basic-block.h (verify_flow_info): Declare.
9330 (flow_loop_outside_edge_p): Declare.
9331 * flow.c (verify_flow_info): Remove declaration.
9332 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9334 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9336 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9339 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9341 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9342 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9343 seqdi_zero_trunc+1): Allow splits only if registers are
9346 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9348 * acconfig.h: Add HAVE_GAS_HIDDEN.
9349 * config.in: Regenerated.
9350 * configure.in: Add test for .hidden pseudo-op in gas.
9351 * configure: Regenerated.
9352 * crtstuff.c: Include auto-host.h.
9353 Emit additional .hidden pseudo-op for __dso_handle if the
9354 assembler knows about it.
9356 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9358 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9359 before freeing argnames.
9360 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9362 2000-04-05 Michael Meissner <meissner@redhat.com>
9364 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9365 Walton <jonboy@gordian.com> to make memory references with update
9366 work wtih -mregnames.
9368 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9370 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9371 (regrename_optimize): Rename variables `def_uses' and
9372 `ext_basic_blocks' to avoid conflicts with similarly named
9373 typedefs in traditional C.
9375 * calls.c (initialize_argument_information): Fix typo in previous
9378 2000-04-04 Richard Henderson <rth@cygnus.com>
9380 * regrename.c (consider_available): Test fixed_regs not
9381 PIC_OFFSET_TABLE_REGNUM.
9383 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9385 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9387 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9388 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9389 (ENDFILE_LINUX_SPEC): Always use crtend.
9390 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9391 (powerpc-*-linux-gnu): Likewise.
9392 * configure: Regenerate.
9394 * config/rs6000/eabi.h: Don't include sysv4.h.
9395 (MULTILIB_DEFAULTS): Don't define.
9396 * config/rs6000/eabiaix.h: Don't include eabi.h.
9397 * config/rs6000/eabile.h: Delete.
9398 * config/rs6000/eabilesim.h: Delete.
9399 * config/rs6000/eabisim.h: Don't include eabi.h.
9400 * config/rs6000/linux.h: Don't include sysv4.h.
9401 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9402 (MULTILIB_DEFAULTS): Don't redefine.
9403 * config/rs6000/rtems.h: Don't include eabi.h.
9404 * config/rs6000/sol2.h: Don't include sysv4le.h.
9405 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9406 * config/rs6000/t-ppc: Delete.
9407 * config/rs6000/t-ppcgas: Correct comment.
9408 * config/rs6000/t-ppcos: Correct comment. Don't build
9409 multilibs for -fPIC, rather use -fPIC -mstrict-align
9411 * config/rs6000/t-ppc: Delete.
9412 * config/rs6000/vxppc.h: Don't include sysv4.h.
9413 * config/rs6000/vxppcle.h: Delete.
9414 * configure.in: Use multiple header files for p2pc ELF targets
9415 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9416 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9417 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9418 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9419 always available for these platforms.
9421 2000-04-04 Richard Henderson <rth@cygnus.com>
9423 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9425 2000-04-04 Stan Cox <scox@cygnus.com>
9427 * Makefile.in: Add rules for regrename.o
9428 * regrename.c: New file.
9429 * rtl.h (regrename_optimize): Add prototype.
9430 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9431 (compile_file, decode_d_option): Add support for -frename-registers.
9432 (rest_of_compilation): Call regrename_optimize.
9433 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9436 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9438 * Makefile (gccbug): New target.
9439 (doc): Depend on it.
9440 * gcc.texi (Bugs): Link subnodes.
9442 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9443 Document severities, priorities, and classes in bug form.
9445 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9447 * cpplex.c (trigraph_map, speccase): Combine into single
9449 (NORMAL, NONTRI): New macros.
9450 (_cpp_read_and_prescan): Change to use unified table. Use
9451 is_hspace to test for whitespace.
9453 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9454 definition that doesn't provoke the "empty body in an
9455 if-statement" warning.
9457 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9459 * builtins.c (expand_builtin_strlen): Force the source to
9460 be a memory address.
9462 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9464 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9466 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9468 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9469 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9470 (ECF_IS_CONST): Rename to ECF_CONST.
9471 (special_function_p): Make static, change interface.
9472 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9473 (expand_call) ... here; convert number of variables to flags.
9474 (emit_library_call_vlue_1): Likewise.
9475 (setjmp_call_p): New function.
9476 (initialize_argument_information): Accepts flags as argument;
9478 (precompute_arguments): Likewise.
9479 * tree.h (special_function_p): Remove.
9480 (setjmp_call_p): Add prototype.
9482 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9484 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9485 so that addresses are offsetable by up to 16 bytes.
9486 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9487 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9490 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9491 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9492 (movsf): Don't force any constant to memory if target is integer
9494 Move fp_zero_operand check below the const0_rtx check.
9495 (movtf): Likewise. Also allow fp_zero_operand for stores into
9497 (movdf): Likewise. Also allow fp_zero_operand for stores into
9498 memory and into integer hard registers.
9499 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9500 movdf_const_intreg_sp64): Remove.
9501 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9503 (movdf_no_e_insn_v9_sp32): New pattern.
9504 (movdf_insn_v9only): Remove.
9505 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9506 (movdf_insn_sp64): Remove.
9507 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9508 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9509 (following splits): Rewrite conditions. Add two new splits
9510 for storing 0.0 into memory and registers.
9511 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9512 (movtf_insn_sp32): Redo constraints and conditions.
9513 (movtf_insn_vis_sp32): New pattern.
9514 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9515 (movtf_insn_hq_sp64): Likewise.
9516 (movtf_insn_hq_vis_sp64): New pattern.
9517 (movtf_insn_sp64): Redo constraints and conditions.
9518 (movtf_insn_vis_sp64): New pattern.
9519 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9520 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9522 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9523 -mvis or -m64 to take down the number of various reload patterns.
9525 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9527 * pa/pa-64.h: New file.
9528 * pa/pa64-regs.h: New file.
9529 * pa/pa64-start.h: New file.
9530 * pa/t-pa64: New file.
9531 * pa/xm-pa64hpux.h: New file.
9533 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9535 * sparc.c (output_restore_regs): Prototype.
9536 (sparc_emit_float_lib_cmp): Constification.
9538 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9540 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9543 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9544 (get_value_hash, hash_rtx): Likewise.
9546 * ssa.c (compute_conservative_reg_partition): Prototype.
9548 * tree.c (mark_hash_entry): Prototype.
9550 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9552 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9553 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9554 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9556 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9557 * objc/lang-specs.h: Likewise.
9559 2000-04-03 Neil Booth <NeilB@earthling.net>
9561 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9562 and SYNTAX_ERROR2. Replace `' in messages with ''.
9563 (op_to_str): Make re-entrant.
9564 (_cpp_parse_expr): Implement new error macros. Use | rather
9565 than || to logically or 2 boolean integers. Simply expression
9566 checking we have a left operand iff needed.
9568 2000-04-03 Nick Clifton <nickc@cygnus.com>
9570 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9572 2000-04-03 Philip Blundell <philb@gnu.org>
9574 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9576 2000-04-03 Felix Lee <flee@cygnus.com>
9578 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9579 (run_shell): Use it.
9581 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9583 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9584 (stmp-fixproto): ...rather than here.
9586 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9588 * pa.c (print_operand): Compute 'base' only inside the code paths
9591 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9593 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9596 2000-04-03 Philipp Thomas <pthomas@suse.de>
9598 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9600 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9602 * Makefile.in (alias.o): Depend on $(TREE_H).
9604 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9606 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9608 * cpplib.c (_cpp_handle_directive): Improve warnings for
9609 traditional C and indented directives.
9611 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9612 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9613 fixinc/inclhack.def: Indent the # of #include_next one space.
9614 * cp/rtti.c: Un-indent #if and #endif.
9616 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9617 syntax error, but an error has already been printed.
9618 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9619 message when called with nothing remaining on the line.
9620 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9621 OTHER token, not an ASSERTION.
9622 * cpplib.c (do_assert): When we create a 'base' node, clear
9623 its aschain pointer.
9625 2000-04-02 Neil Booth <NeilB@earthling.net>
9627 * cppexp.c: New typedef op_t. struct operation and struct
9628 token updated to use it.
9629 (op_to_str): New function.
9630 (_cpp_parse_expr): Error messages modified to use op_to_str.
9632 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9634 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9635 before checking MUST_PASS_IN_STACK.
9637 2000-04-02 Neil Booth <NeilB@earthling.net>
9639 * cppexp.c: New FINISHED dummy token. Combine operator initial
9640 flags and initial priority into a single constant. New
9641 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9642 (_parse_cpp_expr): Implement new constants. Take left operand
9643 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9644 parse indicated by reducing FINISHED token. Remove new lines
9645 from cpp_error messages.
9647 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9649 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9652 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9654 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9655 directive. Add origin values to DIRECTIVE_TABLE. Generate
9656 the strings and function names on the fly. Take the #sccs
9657 entry out of the table if SCCS_DIRECTIVE is not defined.
9658 (_cpp_handle_directive): Decide if the # was at the beginning
9659 of the line here. Issue -pedantic warnings for extended
9660 directives here. Warn about K+R directives with the #
9661 indented, and C89/extended directives with the # not indented,
9663 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9664 do_assert, do_unassert): Don't issue pedantic warning here.
9666 * cpphash.h: Add CPP_WTRADITIONAL macro.
9667 * cpplib.h (struct cpp_options): Rename warn_stringify to
9668 warn_traditional; update comments.
9669 * cppinit.c (handle_option): Set warn_traditional not
9671 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9672 CPP_WTRADITIONAL (pfile).
9673 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9674 be ignored in -traditional mode here.
9676 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9677 to initialize speccase[] and trigraph_map[]. Delete all
9678 references to pfile->input_speccase. Always treat '?' as a
9679 special character. Remove table-initialization code from
9680 _cpp_init_input_buffer.
9682 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9683 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9685 2000-04-01 Richard Henderson <rth@cygnus.com>
9687 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9688 (mostlyclean): Likewise.
9690 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9691 (struct dump_file_info, enum dump_file_index, dump_file): New.
9692 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9693 not a string. Clean out file if we havn't yet done so. Do nothing
9694 if the dump isn't enabled.
9695 (close_dump_file): Do nothing if the dump isn't open. Dump
9696 graph data if requested.
9697 (dump_rtl, clean_dump_file): Remove.
9698 (compile_file): Don't clean the dump files. Only finalize .bp dump
9699 if flag_test_coverage or flag_branch_probabilities. Only finalize
9700 .combine dump if optimizing. Iterate over dump_file to finalize the
9702 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9703 Convert all uses of dump_rtl.
9704 (decode_d_option): Iterate over dump_file to implement 'a' and to
9705 locate pass-specific dumps.
9707 2000-04-01 Neil Booth <NeilB@earthling.net>
9709 * cppexp.c: Redefine priority constants.
9710 (_cpp_parse_expr): Replace left and right priority scheme with
9711 single priority logic. Move LOGICAL to same place as COMPARE.
9712 Remove bogus check for multiple unary +/- operators.
9714 2000-04-01 Neil Booth <NeilB@earthling.net>
9716 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9717 within the switch statement. Binary operations break out of
9718 the switch naturally. '(' tokens handled by forcing
9719 immediate shift. ')' handled by forcing immediate reduce to
9720 the previous '('. New error messages.
9722 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9724 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9725 part', it's already in use. Use %K instead. Add a return at the
9726 end of what is now %K.
9727 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9729 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9731 * builtins.c (expand_builtin_apply): Pass proper parameters to
9732 allocate_dynamic_stack_space.
9733 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9734 update stack_pointer_delta; do not update arg_size_so_far.
9735 (compute_argument_block_size): Use stack_delta instead of
9736 stack_pointer_pending and arg_size_so_far.
9737 (expand_call): Add sanity checking for stack_pointer_delta;
9738 save and restore stack_pointer_delta for SIB, use
9739 stack_pointer_delta for alignment; do not update arg_space_so_far.
9740 (emit_library_call_value): Use stack_pointer_delta for alignment.
9741 (store_one_arg): Do not update arg_space_so_far.
9742 * explow.c (adjust_stack, anti_adjust_stack): Update
9743 stack_pointer_delta.
9744 (allocate_dynamic_stack_space): Add sanity checking for
9745 stack_pointer_delta.
9746 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9747 stack_pointer_delta.
9748 (emit_push_insn): Update stack_pointer_delta.
9749 * function.h (struct expr_status): Add x_stack_pointer_delta;
9750 remove x_arg_space_so_far.
9751 (arg_space_so_far): Remove.
9752 (stack_pointer_delta): New macro.
9754 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9756 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9757 Reorder struct cpp_options and struct cpp_reader for better
9758 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9759 takes two args. Change all 'char' flags to 'unsigned char'.
9760 Move show_column flag into struct cpp_options. Don't
9761 prototype cpp_options_init.
9762 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9763 cppinit.c, cpplex.c, cpplib.c:
9764 Replace CPP_OPTIONS (pfile)->whatever with
9765 CPP_OPTION (pfile, whatever), and likewise for
9766 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9768 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9769 Extract CPP_OPTION (pfile, pending) and work with that
9771 (cpp_options_init): Delete.
9772 (cpp_reader_init): Turn on on-by-default options here.
9773 Allocate the pending structure here.
9774 (cl_options, enum opt_code): Define these from the same table,
9775 kept in a large macro. Add -fshow-column and -fno-show-column
9778 * cpperror.c (v_message): If show_column is off, don't print
9781 * cppmain.c: Update for new interface.
9782 * fix-header.c: Likewise.
9784 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9786 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9788 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9789 are passed to any invocation of AR_FOR_TARGET.
9790 (AR_CREATE_FOR_TARGET): New macro.
9791 (AR_EXTRACT_FOR_TARGET): New macro.
9792 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9793 AR_EXTRACT_FOR_TARGET.
9794 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9795 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9796 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9797 AR_EXTRACT_FOR_TARGET to sub-makes.
9799 2000-03-31 Neil Booth <NeilB@earthling.net>
9801 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9803 (_cpp_parse_expr): Check for multiple unary +/- operators.
9804 Correct priorities of ':' and '?'. Treat ')' as having a
9805 value. Ensure conditional expression is not void.
9807 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9809 * alias.c (canon_rtx): Make it global.
9810 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9812 * cse.c (struct table_elt): Add canon_exp.
9814 (invalidate): Canonicalize expressions only once.
9815 * rtl.h (canon_rtx): Declare.
9817 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9819 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9820 * alias.c (reg_known_value): Add comments.
9821 (init_alias_analysis): Likewise.
9822 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9824 (cse_basic_block): Fix typo in comment.
9825 * emit-rtl.c: Include hashtab.h.
9826 (const_int_htab): New variable.
9827 (const_int_htab_hash): New function.
9828 (const_int_htab_eq): Likewise.
9829 (rtx_htab_mark_1): Likewise.
9830 (rtx_htab_mark): Likewise.
9831 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9832 (unshare_all_rtx): Fix formatting.
9833 (init_emit_once): Initialize const_int_htab.
9834 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9836 * rtl.texi: Document the fact that all CONST_INTs with the same
9839 2000-03-30 Richard Henderson <rth@cygnus.com>
9841 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9843 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9845 * configure.in: Comment out --enable-c-cpplib stanza.
9846 * configure: Regenerate.
9848 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9850 * expr.c (store_constructor): Properly compute displacement and
9851 alignment when offset is variable.
9853 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9854 cases of alignment in bytes.
9856 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9858 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9859 since it is used to generate c-parse.y.
9860 * objc-parse.c, objc-parse.y: Regenerated.
9862 * function.c (expand_function_end): Pass alignment argument to
9863 emit_block_move in bits, not bytes.
9865 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9867 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9870 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9872 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9873 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9874 * function.c (assign_parms): Likewise.
9875 * integrate.c (expand_inline_function): Likewise.
9876 * stmt.c (expand_decl): Likewise.
9877 (copy_rtx_and_substitute): Likewise.
9878 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9879 (clear_by_pieces): Fix error in last change.
9880 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9881 * function.h (regno_pointer_align): Now unsigned.
9882 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9884 * config/i386/i386.c (aligned_operand): Likewise.
9885 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9886 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9887 (unaligned_memory_operand): Likewise.
9888 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9889 Also make alignments and sizes unsigned and some whitespace cleanup.
9890 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9892 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9893 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9894 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9895 (expand_builtin_memset): Likewise, but to clear_storage.
9896 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9897 (restore_fixed_argument_area): Likewise.
9898 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9899 (load_register_parameters): Likewise, to emit_group_load.
9900 (expand_call): Likewise, to emit_group_store and emit_block_move.
9901 (emit_library_call_value_1): Likewise, to emit_block_move.
9902 (store_one_arg): Likewise, and to emit_push_insn.
9903 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9904 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9905 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9906 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9907 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9908 (expand_assigment, store_expr, store_constructor_field): Likewise.
9909 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9910 (store_constructor, store_field, get_inner_reference): Likewise.
9911 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9912 (expand_expr, case COMPONENT_REF): Likewise.
9913 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9914 and positions; reindent code.
9915 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9916 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9917 (assign_parms): Likewise to emit_group_store.
9918 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9919 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9920 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9921 (expand_return): Likewise to {extract,store}_bit_field.
9922 * stor-layout.c (get_mode_alignment): Minor cleanup.
9923 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9924 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9926 2000-03-29 Nick Clifton <nickc@cygnus.com>
9928 * config/arm/arm.h: Undo effects of previous delta:
9929 (ASM_SPEC): Do not define.
9930 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9932 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9935 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9937 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9938 only after reading in the primary source file.
9940 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9942 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9943 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9944 or a reference to a va_list.
9945 * builtins.c (stabilize_va_list): Simplify now we don't have to
9946 work around C array address decay.
9947 * c-typeck.c (convert_for_assignment): Handle assignment to
9948 a reference parameter by taking the address of the RHS.
9949 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9950 (va_copy): Likewise.
9951 (__va_copy): Likewise.
9952 * ginclude/varargs.h (va_start): Likewise.
9953 (__va_copy): Likewise.
9955 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9957 * i386/djgpp.h: Remove extraneous "+".
9959 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9961 * calls.c (expand_call): Fix typo in last change.
9963 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9965 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9968 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9970 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9971 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9972 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9973 * tree.c (bit_position, byte_position): Likewise.
9974 * tree.h: Declare new functions.
9976 2000-03-29 Nick Clifton <nickc@cygnus.com>
9978 * config/arm/arm.c: Minor formatting changes/
9979 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9981 (ASM_SPEC): Define if not already defined.
9983 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9985 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9988 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9990 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9991 value, don't output it as unsigned.
9993 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9995 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9997 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9999 * c-common.c (c_common_nodes_and_builtins): Don't special case
10000 cplus_mode when declaring builtin bzero/bcmp, always avoid
10001 prototype arguments.
10003 2000-03-29 Bruce Korb <bkorb@gnu.org>
10005 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10008 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10010 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10011 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10012 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10013 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10014 (save_fixed_argument_area, restore_fixed_argument_area):
10015 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10016 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10017 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10018 (precompute_register_parameters): Avoid #ifdefs on
10019 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10020 (stire_one_args): Likewise.
10021 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10022 (emit_library_call_value_1): Likewise.
10023 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10024 ACCUMULATE_OUTGOING_ARGS.
10025 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10027 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10028 (use_crosses_set_p): Likewise.
10029 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10030 #define ACCUMULATE_OUTGOING_ARGS 1.
10031 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10033 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10035 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10036 (TARGET_SWITCHES): Add push-args, no-push-args,
10037 accumulate-outgoing-args and no-accumulate-outgoing-args.
10038 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10039 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10040 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10042 (emit_push_insn): Likewise.
10043 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10044 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10045 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10046 (STACK_DYNAMIC_OFFSET): Define correctly for both
10047 ACCUMULATE_OUTGOING_ARGS and normal mode.
10048 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10049 * tm.texi (PUSH_ARGS): Document.
10050 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10052 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10054 * flags.h (flag_optimize_sibling_calls): Declare.
10055 * calls.c (expand_call): Fail sibcall when
10056 !flag_optimize_sibling_calls
10057 * invoke.texi (flag_optimize_sibling_calls): Document.
10058 * toplev.c (flag_optimize_sibling_calls): New global variable.
10059 (f_options): Add flag_optimize_sibling_calls.
10060 (rest_of_compilation): Conditionize
10061 optimize_sibling_and_tail_recursive_calls by
10062 flag_optimize_sibling_calls.
10063 (main): Set flag_optimize_sibling_calls for -O2.
10064 * stmt.c (expand_return): Conditionize tail recursion by
10065 flag_optimize_sibling_calls.
10067 2000-03-29 Richard Henderson <rth@cygnus.com>
10069 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10070 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10072 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10074 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10076 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10078 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10080 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10081 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10082 * config/rs6000/aix.h: then modified likewise.
10084 2000-03-28 Richard Henderson <rth@cygnus.com>
10086 * rtl.h: Redistribute enum reg_note documentation.
10087 Kill trailing whitespace.
10088 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10089 Kill trailing whitespace.
10091 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10093 * cppfiles.c (hash_IHASH): Just return i->hash.
10094 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10095 htab_find_with_hash.
10096 (cpp_read_file): Likewise.
10097 (find_include_file): Likewise. Properly initialize
10098 ih->nshort. Share ih->name and ih->nshort if possible.
10099 * cpphash.c (_cpp_calc_hash): New function.
10100 (hash_HASHNODE): Just return h->hash.
10101 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10102 htab_find_with_hash.
10103 * cpphash.h: Prototype _cpp_calc_hash.
10104 * cppinit.c (initialize_builtins): Provide a valid hash
10105 to _cpp_make_hashnode, using _cpp_calc_hash.
10107 * cpphash.c (collect_expansion): # is not a special character
10108 in object-like macros. In -traditional mode, /**/ is not
10109 token paste at the beginning or end of the line.
10110 * cpplib.c (do_include, do_import, do_include_next): If
10111 parse_include fails, return immediately.
10113 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10115 * config/arm/arm.md (return peepholes): Update to reflect the new
10116 call insn patterns.
10117 * config/arm/arm.c (arm_volatile_func): Also check
10118 current_function_nothrow.
10119 (output_return_instruction, output_func_prologue): Use it.
10120 (arm_output_epilogue, arm_expand_prologue): Likewise.
10122 2000-03-27 Tom Tromey <tromey@cygnus.com>
10124 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10127 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10129 * expr.c (store_constructor): SIZE now signed.
10130 For EXPR_SIZE, don't evaluate size; just needed if constant.
10131 * fold-const.c (fold): Fix a number of cases when folded tree is
10133 * function.c (flush_addressof): Reenable.
10134 * tree.h (flush_addressof): Likewise.
10135 * toplev.c (independent_decode_option): Look at strings_processed.
10136 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10138 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10140 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10141 Allow stack adjustment after function call.
10143 * regmove.c (struct csa_memlist): Make mem field rtx *.
10144 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10145 (try_apply_stack_adjustment): Replace whole MEM rtx.
10146 (combine_stack_adjustments_for_block): Update calls
10147 to record_one_stack_ref.
10149 2000-03-28 Neil Booth <NeilB@earthling.net>
10151 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10152 '\\' rather than a null character, so nulls are not special. Fix
10153 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10154 speed trigraph conversion.
10155 (_cpp_init_input_buffer): Initialize trigraph map.
10157 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10159 * config/i386/i386.c (output_387_binary_op): Correct intel
10160 mode assembly output, and add spaces after commas in AT&T
10161 output. Correct Unixware assembler comment. Document input
10162 constraints. Comment fp operations. Reduce profligate buffer
10163 size. Remove extraneous abort. Localize temp var.
10164 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10165 (output_fix_trunc): Add spaces after commas in assembly output.
10167 2000-03-27 Richard Henderson <rth@cygnus.com>
10169 * i386-protos.h (ix86_match_ccmode): Declare.
10170 * i386.c (ix86_match_ccmode): New.
10171 (ix86_expand_fp_compare): Update for pattern renames.
10172 (ix86_expand_strlensi_unroll_1): Likewise.
10173 * i386.h (EXTRA_CC_MODES): Add CCZ.
10174 (SELECT_CC_MODE): Use it for EQ/NE zero.
10175 * i386.md (cmpsi_ccz_1): New.
10176 (cmpqi_ccz_1): New.
10177 (*testsi_ccz_1): New.
10178 (testqi_ccz_1): New.
10179 (cmpsi_ccno_1): Rename from cmpsi_0.
10180 (testsi_ccno_1): Rename from testsi_1.
10181 (testqi_ccno_1): Rename from testqi_1.
10182 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10183 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10184 (*cmphi_0): Use ix86_match_ccmode.
10185 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10186 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10187 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10188 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10189 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10190 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10191 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10192 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10193 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10194 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10195 (appropriate peepholes): Likewise.
10196 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10197 (*subsi_3, *subhi_3, *subqi_3): Remove.
10198 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10199 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10200 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10201 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10202 (x86_shift_adj_1): Use CCZ.
10203 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10205 2000-03-27 Stan Cox <scox@cygnus.com>
10207 * resource.h (mark_resource_type): New.
10208 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10209 find_free_register): Use mark_resource_type.
10210 (mark_set_resources): Change include_delayed_effects
10211 to mark_resource_type.
10212 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10213 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10214 Use mark_resource_type.
10216 2000-03-27 Richard Henderson <rth@cygnus.com>
10218 * i386.md (call_pop_0, call_value_pop_0): New.
10219 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10220 (call_value_pop_1): Likewise.
10221 (call_0, call_value_0): New.
10222 (call_1, call_value_1): Remove constraint from unused arg.
10224 2000-03-27 Nick Clifton <nickc@cygnus.com>
10226 * invoke.texi (Spec Files): Document new spec % command created by
10227 Tom Tromey's recent patch.
10229 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10231 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10234 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10236 * expr.c (expand_assignment): Fix typo in last change.
10238 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10240 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10242 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10243 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10244 and DECL_INLINE if FUNCTION_DECL.
10245 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10246 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10247 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10248 (combine_parm_decls): Likewise.
10249 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10250 * print-tree.c (print_node): Likewise.
10251 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10252 DECL_TRANSPARENT_UNION on proper decl types.
10253 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10254 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10255 DECL_BIT_FIELD of FIELD_DECL.
10256 * tree.h (DECL_RESULT_FLD): New macro.
10258 * expr.c (expand_assignment): Add code to handle variable-sized
10261 2000-03-26 Richard Henderson <rth@cygnus.com>
10263 * calls.c (expand_call): Pass parms not original exp to
10264 optimize_tail_recursion. Mind return value instead of looking
10266 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10267 call_expr. Move checks for call_expr and current_function_decl ...
10268 (expand_return): ... here.
10270 2000-03-26 Tom Tromey <tromey@cygnus.com>
10272 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10273 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10275 (process_command): Use them.
10276 (check_live_switch): Likewise.
10277 (give_switch): Skip ignored switches.
10279 2000-03-26 Jan Hubicka <jh@suse.cz>
10281 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10282 for minimal jump pass test.
10284 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10286 * integrate.c (function_cannot_inline_p): Do inline functions that
10289 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10291 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10292 now a list of TREE_LIST entries, not types.
10293 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10295 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10296 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10298 * config/mips/mips.c (function_arg): Likewise; also remove cast
10299 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10300 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10301 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10302 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10303 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10304 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10305 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10306 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10307 num_adjusts now unsigned.
10308 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10309 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10310 NREGS now unsigned.
10311 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10312 as is BITPOS variable; use host_integerp and int_bit_position.
10313 (function_arg_record_value_2): Likewise.
10314 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10315 Variable REGNO now unsigned.
10316 (function_arg_record_value): NREGS now unsigned.
10318 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10320 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10322 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10324 * Rework fields used to describe positions of bitfields and
10325 modify sizes to be unsigned and use HOST_WIDE_INT.
10326 * alias.c (reg_known_value_size): Now unsigned.
10327 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10328 (really_start_incremental_init): Use bitsize_zero_node.
10329 (push_init_level, pop_init_level, output_init_element): Likewise.
10330 Use bitsize_unit_node and bitsize_one_node.
10331 (output_pending_init_elements, process_init_element): Likewise.
10332 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10333 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10334 HOST_WIDE_INT, respectively.
10335 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10336 (num_sign_bit_copies): Returns unsigned.
10337 BITWIDTH now unsigned; rework arithmetic.
10338 Remove recursive call from arg to MAX.
10339 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10340 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10341 REGNO now unsigned.
10342 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10343 (find_split_point, expand_compound_operation, make_extraction): LEN
10344 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10345 (make_field_assignment): Likewise.
10346 (combine_simplify_rtx): Add cast.
10347 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10348 (force_to_mode): WIDTH now unsigned; add cast.
10349 (if_then_else_cond): SIZE now unsigned.
10350 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10351 (extended_count): Now returns unsigned.
10352 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10353 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10354 (simplify_comparison): MODE_WIDTH now unsigned.
10355 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10356 (mark_used_regs_combine): Likewise; rework arithmetic.
10357 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10358 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10359 (record_promoted_value): REGNO now unsigned.
10360 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10361 (get_last_value): REGNO now unsigned.
10362 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10363 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10364 (remove_death): Arg REGNO now unsigned.
10365 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10366 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10368 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10369 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10370 (struct cse_reg_info): REGNO now unsigned.
10371 (cached_regno): Now unsigned.
10372 (REGNO_QTY_VALID_P): Add cast.
10373 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10374 (remove_invalid_regs): Likewise.
10375 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10376 as are variables END and I.
10377 (get_cse_reg_info, insert): Likewise.
10378 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10379 (canon_hash): Likewise.
10380 (insert_regs, lookup_for_remove): REGNO now unsigned.
10381 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10383 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10384 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10385 * emit-rtl.c (subreg_realpart_p): Add cast.
10386 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10387 (operand_subword_force): Arg I is now unsigned.
10388 * except.c (eh_regs): Variable I is now unsigned.
10389 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10390 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10391 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10392 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10393 (extract_split_bit_field, store_bit_field, extract_bit_field):
10395 * expr.c (store_constructor_fields, store_constructor, store_field):
10396 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10397 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10398 (do_jump): Likewise.
10399 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10400 MAX_SIZE is now unsigned.
10401 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10402 (emit_group_store): Likewise.
10403 (emit_move_insn): I now unsigned.
10404 (store_constructor): Use host_integerp, tree_low_cst, and
10406 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10407 Rework all calculations to use trees and new fields.
10408 * expr.h (promoted_input_arg): Regno now unsigned.
10409 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10410 (mark_seen_cases): Arg is HOST_WIDE_INT.
10411 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10412 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10413 precisions and alignments are unsigned.
10414 (optimize_bit_field_compare, fold_truthop): Likewise.
10415 (int_const_binop): Adjust threshold for size_int_type_wide call.
10416 (fold_convert): Likewise.
10417 (size_int_type_wide): Make table larger and fix thinko that only
10418 had half of table used.
10419 (all_ones_mask_p, fold): Precisions are unsigned.
10420 * function.c (put_reg_info_stack): REGNO is unsigned.
10421 (instantiate_decl): Size is HOST_WIDE_INT.
10422 (instantiate_virtual_regs): I is unsigned.
10423 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10424 (promoted_input_arg): REGNO is unsigned.
10425 * function.h (struct function): x_max_parm_reg is now unsigned.
10426 * gcse.c (max_gcse_regno): Now unsigned.
10427 (struct null_pointer_info): min_reg and max_reg now unsigned.
10428 (lookup_set, next_set): REGNO arg now unsigned.
10429 (compute_hash_table): REGNO and I now unsigned.
10430 (handle_avail_expr): regnum_for_replacing now unsigned.
10431 (cprop_insn): REGNO now unsigned.
10432 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10433 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10434 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10435 * hard-reg-set.h (reg_class_size): Now unsigned.
10436 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10437 * jump.c (mark_modified_reg): I now unsigned; add cast.
10438 (rtx_equal_for_thread_p): Add cast.
10439 * loop.c (max_reg_before_loop): Now unsigned.
10440 (struct_movable): REGNO now unsigned.
10441 (try_copy_prop): REGNO arg unsigned.
10442 (regs_match_p): XN and YN now unsigned.
10443 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10444 (strength_reduce): Likewise; NREGS also unsigned.
10445 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10446 * loop.h (struct iv_class): REGNO now unsigned.
10447 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10449 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10450 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10451 * optabs.c (expand_binop): I and NWORDS now unsigned.
10452 (expand_unop): I now unsigned.
10453 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10454 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10455 * real.c (significand_size): Now returns unsigned.
10456 * real.h (significand_size): Likewise.
10457 * regclass.c (reg_class_size): Now unsigned.
10458 (choose_hard_reg_mode): Both operands now unsigned.
10459 (record_reg_classes): REGNO and NR now unsigned.
10460 (reg_scan): NREGS now unsigned.
10461 (reg_scan_update): old_max_regno now unsigned.
10462 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10463 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10464 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10465 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10466 Likewise for variable R.
10467 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10468 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10469 (find_equiv_reg): Add casts.
10470 (regno_clobbered_p): Arg REGNO now unsigned.
10471 * reload.h (struct reload): NREGS now unsigned.
10472 (refers_to_regno_for_reload_p): Regno args are unsigned.
10473 (regno_clobbered_p): Likewise.
10474 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10475 (compute_use_by_pseudos): REGNO now unsigned.
10476 (find_reg): I and J now unsigned, new variable K, and change loop
10477 variables accordingly; THIS_NREGS now unsigned.
10478 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10479 (spill_hard_reg): REGNO arg now unsigned; add casts.
10480 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10481 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10482 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10483 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10484 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10485 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10486 (emit_reload_insns): REGNO now unsigned.
10487 (reload_cse_move2add): Add cast.
10488 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10490 * resource.c (mark_referenced_resources, mark_set_resources): New
10491 variable R; REGNO and LAST_REGNO now unsigned.
10492 (mark_target_live_regs): J and REGNO now unsigned.
10493 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10494 * rtl.h (union rtunion_def): New field rtuint.
10495 (XCUINT): New macro.
10496 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10497 (operand_subword, operand_subword_force): Word number is unsigned.
10498 (choose_hard_reg_mode): Operands are unsigned.
10499 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10500 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10501 (regno_use_in, combine_instructions, remove_death): Likewise.
10502 (reg_scan, reg_scan_update): Likewise.
10503 (extended_count): Return is unsigned.
10504 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10505 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10506 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10507 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10508 (reg_reg_last_1): FIRS and LAST now unsigned.
10509 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10510 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10512 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10513 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10514 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10515 (replace_regs): Arg NREGS now unsigned.
10516 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10517 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10518 (simplify_binary_operation): Likewise.
10519 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10520 THIS_LAST now unsigned.
10521 (cselib_record_set): Add cast.
10522 * ssa.c (ssa_max_reg_num): Now unsigned.
10523 (rename_block): REGNO now unsigned.
10524 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10525 sizes now unsigned.
10526 (all_cases_count): Just return -1 not -2.
10527 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10528 Rework tests to use trees whenever possible.
10529 Use host_integerp and tree_low_cst.
10530 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10531 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10532 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10533 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10534 (smallest_mode_for_size): Likewise.
10535 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10536 KNOWN_ALIGN is now an alignment, so simplify code.
10537 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10538 (start_record_layout): Renamed from new_record_layout_info.
10539 Update to new fields.
10540 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10542 (place_union_field): Renamed from layout_union_field.
10543 Update to use new fields in rli.
10544 (place_field): Renamed from layout_field.
10545 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10546 (finalize_record_size): Rework to use new fields in rli and handle
10548 (compute_record_mode): Rework to simplify and to use new DECL fields.
10549 (finalize_type_size): Make rounding more consistent.
10550 (finish_union_layout): Deleted.
10551 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10552 (layout_type, case RECORD_TYPE): Call new function names.
10553 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10554 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10555 (get_best_mode): UNIT is now unsigned; remove casts.
10556 * tree.c (bit_position): Compute from new fields.
10557 (byte_position, int_byte_position): New functions.
10558 (print_type_hash_statistics): Cast to remove warning.
10559 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10560 (build_index_type): Likewise; make subtype of sizetype.
10561 (build_index_2_type): Pass sizetype to build_range_type.
10562 (build_common_tree_nodes): Use size_int and bitsize_int to
10563 initialize nodes; add bitsize_{zero,one,unit}_node.
10564 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10565 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10566 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10567 (DECL_FIELD_BITPOS): Deleted.
10568 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10569 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10570 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10571 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10572 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10573 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10574 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10575 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10576 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10577 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10578 (DECL_ALIGN): Adjust to new field in union.
10579 (DECL_OFFSET_ALIGN): New field.
10580 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10581 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10582 (union tree_decl): Add struct for both aligns.
10583 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10584 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10585 (struct record_layout_info): Rework fields to have offset
10586 alignment and byte and bit position.
10587 (start_record_layout, place_field): Renamed from old names.
10588 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10589 (byte_position, int_byte_position): Likewise.
10590 (get_inner_reference): Change types of position and length.
10591 * unroll.c (unroll_loop): New variable R; use for some loops.
10592 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10593 (calculate_giv_inc): Arg REGNO now unsigned.
10594 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10595 * varasm.c (assemble_variable): Clean up handling of size using
10596 host_integerp and tree_low_cst.
10597 (decode_addr_const): Use byte, not bit, position.
10598 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10599 use tree_low_cst and int_bit_position.
10600 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10602 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10604 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10605 (reorder_block_def): New members eff_head and eff_end.
10606 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10607 (verify_insn_chain): New function.
10608 (skip_insns_between_block): Add code to skip deleted insns.
10609 Check for note before using.
10610 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10611 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10612 Check for note before using.
10613 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10614 (fixup_reorder_chain): Restructure, clean up, defect removal.
10615 (reorder_basic_blocks): Remove last_insn and references to it.
10616 Moved insn chain verification code into a new function (see above).
10617 Delete defective code that sets last insn.
10618 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10621 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10623 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10625 2000-03-24 Richard Henderson <rth@cygnus.com>
10627 * tree.c (lang_safe_for_unsave): Remove.
10628 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10629 allowing for two levels of unsafeness. Remove lang hook.
10630 * tree.h: Update declarations.
10631 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10632 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10633 Always fail sibcalls when there are pending cleanups.
10635 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10637 * flow.c (propagate_block): When we delete an ADDR_VEC,
10638 also delete the BARRIER following it if there is one.
10640 2000-03-24 Richard Henderson <rth@cygnus.com>
10642 * builtins.c (expand_builtin_bzero): Convert `length' argument
10645 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10647 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10648 comparison if regno's are equal.
10649 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10650 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10651 (expand_call): Update caller.
10652 Avoid making a sibling call if argument size of the callee is larger
10653 than argument size of the caller.
10654 Call hard_function_value with outgoing set if in sibcall pass.
10655 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10657 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10658 Change LEAF_REGISTERS from an array initializer to actual array
10659 identifier. Move static global variable into the function.
10660 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10661 sequences for leaf functions.
10662 * global.c (global_alloc): Likewise.
10663 * tm.texi (LEAF_REGISTERS): Update documentation.
10665 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10666 TARGET_FLAT leaf disabling hack.
10667 (LEAF_REGISTERS): Changed from an array initializer to actual array
10668 identifier to avoid duplication and remove the above hack.
10669 (FUNCTION_OK_FOR_SIBCALL): Define.
10670 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10671 always like call attribute.
10672 (eligible_for_sibcall_delay): New attribute.
10673 (sibcall): New delay type.
10674 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10675 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10676 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10677 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10678 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10680 (output_function_epilogue): Move part of the code into
10681 output_restore_regs.
10682 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10684 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10687 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10688 until infrastructure is finished.
10690 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10692 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10693 (save_parm_insns): Not here.
10695 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10697 * builtins.c (expand_builtin_bzero): New function.
10698 (expand_builtin): Handle bzero.
10700 * builtins.def: Add BUILT_IN_BZERO.
10702 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10703 prototype & function for bzero.
10705 2000-03-23 Michael Meissner <meissner@redhat.com>
10707 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10708 change adding TARGET_FP to the TF floating point insns, except for
10709 trunctfsf2, which generates direct calls to truncdfsf2.
10711 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10713 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10714 try to protect against middle-end changes that break binary
10716 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10718 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10720 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10722 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10724 * calls.c (expand_call): If TARGET is passed by reference and
10725 is readonly, write a CLOBBER.
10727 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10729 * builtins.c (expand_builtin): Handle bcmp.
10731 * builtins.def: Add BUILT_IN_BCMP.
10733 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10734 prototype & function for bcmp.
10736 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10738 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10739 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10740 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10742 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10744 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10745 alternative when using -fp64 -gp32.
10747 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10749 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10750 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10751 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10753 * frame.h (frame_state): Revert last change.
10754 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10755 * libgcc2.c (throw_helper): Revert last change.
10757 2000-03-22 Richard Henderson <rth@cygnus.com>
10759 * stmt.c (expand_asm_operands): Don't promote the temporary.
10761 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10763 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10764 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10765 c_get_alias_set): Likewise.
10766 * c-decl.c (duplicate_decls): Likewise.
10767 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10768 * calls.c (initialize_argument_information): Likewise.
10769 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10771 * dwarfout.c (decl_class_context,output_type): Likewise.
10772 * expr.c (get_inner_reference): Likewise.
10773 * fold-const.c (simple_operand_p,fold): Likewise.
10774 * function.c (aggregate_value_p): Likewise.
10775 * stmt.c (expand_asm_operands): Likewise.
10776 * varasm.c (named_section): Likewise.
10778 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10780 Implement dwarf2 exception handling for the ARM.
10781 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10782 (DWARF_FRAME_RETURN_COLUMN): Define.
10783 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10784 REG_FRAME_RELATED_EXPR note.
10785 (emit_sfm): Likewise.
10786 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10787 * dwarf2out.c (reg_save): Handle saving a register to itself.
10788 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10789 * except.c (eh_regs): Don't use the static chain reg if it's
10791 * frame.h (frame_state): Add cfa_saved field.
10792 * frame.c (execute_cfa_insn): Set it.
10793 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10795 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10797 (instantiate_virtual_regs): Adjust.
10799 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10800 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10801 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10803 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10804 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10806 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10808 * builtins.def: New file.
10810 * Makefile.in (TREE_H): Depend on builtins.def.
10812 * builtins.c (built_in_names): Use builtins.def.
10814 * tree.h (built_in_function): Likewise.
10816 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10818 * tree.c (size_in_bytes): Return size_zero_node, not
10821 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10823 * config/fp-bit.c (pack_d): Correct the case when a denormal
10824 is rounded up and stops being denormal.
10826 2000-03-21 Richard Henderson <rth@cygnus.com>
10828 * config/alpha/alpha.c (function_arg): Check for void_type_node
10829 before using MUST_PASS_IN_STACK.
10831 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10833 * regmove.c (combine_stack_adjustments_for_block): Check that
10834 the stack pointer is a valid memory address.
10836 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10838 * calls.c: re-install Mar 16 emit_library_call merge.
10840 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10842 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10843 we cannot be sure that if reload_completed base register will
10844 be properly aligned.
10846 2000-03-21 Richard Henderson <rth@cygnus.com>
10848 * flow.c (delete_block): Fix typo last change.
10850 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10852 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10853 not COMPLETE_TYPE_P, to check the type of the expression.
10855 2000-03-21 Michael Meissner <meissner@redhat.com>
10857 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10858 all floating point insns that just tested the macro
10859 TARGET_HAS_XFLOATING_LIBS.
10860 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10861 used to only use the gprs.
10863 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10865 * tree.h (COMPLETE_TYPE_P): New macro.
10866 (COMPLETE_OR_VOID_TYPE_P): New macro.
10867 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10868 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10869 * c-aux-info.c (gen_type): Use them.
10870 * c-common.c (c_expand_expr_stmt): Likewise.
10871 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10872 grokdeclarator, grokparms, finish_struct, start_function,
10873 store_parm_decls, combine_parm_decls): Likewise.
10874 * c-parse.y (cast_expr): Likewise.
10875 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10876 c_size_in_bytes, c_alignof, build_component_ref,
10877 build_indirect_ref, build_array_ref, convert_arguments,
10878 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10879 * calls.c (initialize_argument_information): Likewise.
10880 * convert.c (convert_to_integer): Likewise.
10881 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10882 * dwarfout.c (location_or_const_value_attribute,
10883 output_enumeration_type_die, output_structure_type_die,
10884 output_union_type_die, output_type): Likewise.
10885 * expr.c (safe_from_p, expand_expr): Likewise.
10886 * function.c (assign_parms): Likewise.
10887 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10888 * tree.c (build_array_type, build_function_type,
10889 build_method_type, build_offset_type, build_complex_type): Likewise.
10890 * c-parse.c, c-parse.h: Regenerated.
10892 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10894 * config/c4x/rtems.h: Include config/rtems.h.
10896 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10898 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10899 decl is a FUNCTION_DECL
10901 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10903 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10904 function uses output registers. Don't save RP for leaf functions.
10905 Do save RP even if no epilogue.
10906 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10907 (CALL_USED_REGISTERS): Unmark in registers.
10908 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10909 to near the middle.
10911 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10913 * config/rs6000/rs6000.md (bunordered): New expander.
10914 (bordered): New expander.
10915 (buneq): New expander.
10916 (bunge): New expander.
10917 (bungt): New expander.
10918 (bunle): New expander.
10919 (bunlt): New expander.
10920 (bltgt): New expander.
10922 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10923 (ccr_bit_negated_p): New function.
10924 (print_operand): For %C, generate appropriate cror for UNEQ,
10925 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10927 2000-03-20 Andreas Jaeger <aj@suse.de>
10929 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10932 * tree.h (safe_for_unsave): Prototype.
10934 2000-03-20 Richard Henderson <rth@cygnus.com>
10936 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10937 (combine_stack_adjustments_for_block): Don't allow sp references
10938 in the side of a set we're not fixing up.
10939 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10940 after life_analysis.
10942 2000-03-20 Richard Henderson <rth@cygnus.com>
10944 * calls.c (expand_call): Don't bother generating tail call
10945 sequences if there are pending cleanups. Use
10946 expand_start_target_temps/expand_end_target_temps to elide
10947 cleanups created during sibcall expansion.
10949 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10951 * configure.in: Set $IFS to a value if it doesn't already have one
10952 in the --enable-checking handling.
10953 * configure: Regenerate.
10955 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10957 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10958 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10961 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10963 * jump.c (delete_noop_moves): Remove code attempting to
10964 combine stack adjustments.
10966 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10968 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10969 * except.c (emit_cleanup_handler): Use them.
10970 (expand_end_all_catch): Likewise.
10971 * function.c (fixup_var_refs): Likewise.
10972 (expand_function_end): Clear catch_clauses_last.
10973 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10974 * except.h (struct eh_status): New field x_catch_clauses_last.
10975 (catch_clauses_last): New define.
10977 * Makefile.in (tree.o): Depend on HASHTAB_H.
10978 * tree.c: Include hashtab.h.
10979 (struct type_hash): Remove next field.
10980 (TYPE_HASH_SIZE): Remove.
10981 (TYPE_HASH_INITIAL_SIZE): New define.
10982 (type_hash_table): Change type to htab_t.
10983 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10984 mark_hash_entry): New functions.
10985 (init_obstacks): Allocate type hash.
10986 (type_hash_lookup): Use htab functions.
10987 (type_hash_add, mark_type_hash): Likewise.
10988 (dump_tree_statistics): Call print_type_hash_statistics.
10990 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10992 * rs6000/t-aix41: New file.
10994 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10996 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10998 * tm.texi (Driver): Fix typos and tweak entry for
11000 Move misplaced STRUCT_FORCE_BLK entry ...
11001 (Storage Layout): ... to here.
11002 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11004 2000-03-19 Richard Henderson <rth@cygnus.com>
11006 * flow.c (delete_block): Delete the addr_vec along with the block.
11007 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11010 * fold-const.c (extract_muldiv): Apply type check for defined
11011 overflow to multiply as well as divide.
11013 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11015 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11017 * emit-rtl.c (remove_unncessary_notes): Check that all
11018 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11019 associated NOTE_BLOCK.
11020 * function.h (identify_blocks): Update comments.
11021 (reorder_blocks): Declare.
11022 * function.c (identify_blocks): Don't take paramters.
11023 (reorder_blocks): Don't take parameters.
11024 * loop.h (find_loop_tree_blocks): Remove.
11025 (unroll_block_trees): Likewise.
11026 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11027 reorder_blocks instead of unroll_block_trees.h
11028 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11029 * stmt.c (find_loop_tree_blocks): Remove.
11030 (unroll_block_trees): Likewise.
11031 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11032 in whole-function mode.
11033 * tree.h (reorder_blocks): Remove declaration.
11035 * expr.c: Include intl.h.
11036 * Makefile.in (expr.o): Depend on intl.h.
11038 2000-03-18 Richard Henderson <rth@cygnus.com>
11040 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11042 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11044 * tree.h (tree_index): Remove enumerals for integer types.
11045 (integer_type_kind): New type.
11046 (integer_types): New variable.
11047 (char_type_node): Adjust.
11048 (signed_char_type_node): Likewise.
11049 (unsigned_char_type_node): Likewise.
11050 (short_integer_type_node): Likewise.
11051 (short_unsigned_type_node): Likewise.
11052 (integer_type_node): Likewise.
11053 (unsigned_type_node): Likewise.
11054 (long_integer_type_node): Likewise.
11055 (long_unsigned_type_node): Likewise.
11056 (long_long_integer_type_node): Likewise.
11057 (long_long_unsigned_type_node): Likewise.
11058 * tree.c (integer_types): New variable.
11059 (init_obstacks): Register it as a root.
11061 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11063 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11064 NEXT_INSN. Update last insn in chain.
11066 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11068 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11069 with TYPE_DECL_SUPPRESS_DEBUG set.
11071 2000-03-18 Richard Henderson <rth@cygnus.com>
11073 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11075 2000-03-18 Richard Henderson <rth@cygnus.com>
11077 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11078 care for HALF_PIC_P.
11079 (expander_call_insn_operand): Remove.
11080 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11081 * i386.h (PREDICATE_CODES): Update.
11082 * i386.md (all call expanders): Remove predicates, remove special
11083 handling for half-pic.
11084 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11085 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11086 (sibcall_epilogue): New.
11088 2000-03-17 Richard Henderson <rth@cygnus.com>
11090 * rtlanal.c (single_set): Reject if the parallel has anything
11091 except SET or USE or CLOBBER.
11093 2000-03-17 Jeff Law <law@cygnus.com>
11094 Richard Henderson <rth@cygnus.com>
11096 * Makefile.in (OBJS): Add sibcall.o.
11098 * sibcall.c: New file.
11099 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11100 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11101 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11102 Emit sibcall patterns when requested. Update all callers.
11103 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11104 elimination seems feasable.
11105 * final.c (leaf_function_p): Sibling calls don't discount being
11107 * flow.c (HAVE_sibcall_epilogue): Provide default.
11108 (find_basic_blocks_1): Sibling calls don't throw.
11109 (make_edges): Make edge from sibling call to EXIT.
11110 (propagate_block): Don't remove sibcall_epilogue insns.
11111 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11112 (sibcall_epilogue): New.
11113 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11114 (identify_blocks_1): Likewise. Break out from ...
11115 (identify_blocks): ... here.
11116 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11117 (reorder_blocks): ... here.
11118 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11119 (record_insns): Extend a varray instead of mallocing new memory.
11120 (contains): Read a varray not array of ints.
11121 (sibcall_epilogue_contains): New.
11122 (thread_prologue_and_epilogue_insns): Emit and record
11123 sibcall_epilogue patterns.
11124 (init_function_once): Allocate prologue/epilogue varrays.
11125 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11126 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11127 Broken out from ...
11128 (save_for_inline_nocopy): ... here.
11129 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11130 Broken out from ...
11131 (expand_inline_function): ... here.
11132 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11133 (subst_constants): Handle 'n' formats.
11134 * jump.c (jump_optimize_minimal): New.
11135 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11136 optimizations if it's set.
11137 * rtl.c (copy_rtx): Do copy jump & call for insns.
11138 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11139 (SIBLING_CALL_P): New.
11140 (sibcall_use_t): New.
11141 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11142 Invoke optimize_sibling_and_tail_recursive_calls.
11143 * tree.c (lang_safe_for_unsave): New.
11144 (safe_for_unsave): New.
11145 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11147 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11148 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11149 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11151 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11153 * objc/objc-act.c (encode_method_prototype): Pass types, not
11154 PARM_DECLs, to int_size_in_bytes.
11156 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11158 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11160 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11161 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11163 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11165 * Clean up usages of TREE_INT_CST_LOW.
11166 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11167 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11169 * c-tree.h (min_precision): Move declaration to here.
11170 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11171 (build_unary_op, add_pending_init): Use bit_position.
11172 (pending_init_member, process_init_element): Likewise.
11173 (really_start_incremental_init, push_init_level, pop_init_level):
11174 Don't make copies of nodes or modify them in place, use consistent
11175 types when tracking positions, and use tree routines computations.
11176 (set_init_index, output_init_element): Likewise.
11177 (output_pending_init_elements, process_init_element): Likewise.
11178 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11179 tree_low_cst and int_bit_position; also minor cleanup.
11180 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11181 (print_cst_octal): Precision is unsigned.
11182 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11183 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11184 (simple_type_align_in_bits): Result is unsigned int.
11185 Use tree_int_low_cst and host_integerp.
11186 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11187 (field_byte_offset): Result is HOST_WIDE_INT.
11188 Change types of internal variables so alignments are unsigned int,
11189 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11190 Use host_integerp, tree_low_cst, and int_bit_position.
11191 (add_bit_offset_attribute): Likewise.
11192 (add_data_member_location_attribute): Use tree_cst_low.
11193 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11194 (add_bit_size_attribute): Use tree_low_cst.
11195 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11196 * dwarfout.c: Similar changes to dwarf2out.c.
11197 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11198 * genoutput.c (n_occurences): Return -1 for null string.
11199 (strip_whitespace): Accept null string and make into function.
11200 (scan_operands): Reflect above changes.
11201 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11202 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11203 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11204 * tree.c (int_size_in_bytes): Check for too big to represent.
11205 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11206 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11208 (min_precision): Delete from here.
11209 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11210 and int_bit_position.
11211 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11212 (encode_method_def): Likewise.
11213 (build_ivar_list_initializer): Use int_bit_position.
11214 (generate_shared_structures): Convert size.
11215 (encode_type, encode_complete_bitfield): Use integer_zerop.
11216 (encode_bitfield): Use tree_low_cst and int_bit_position.
11218 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11220 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11222 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11224 * call.c (special_function_p): It is only malloc if it returns
11227 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11229 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11230 (C33_FLAG, TARGET_C3X): Add macros.
11231 (TARGET_SWITCHES): Add -m33 option.
11232 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11234 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11236 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11237 (PARALLEL_PACK_FLAG): Delete.
11238 (TARGET_SWITCHES): Update.
11239 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11241 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11243 * fold-const.c (fold): Fix a few cases when the returned result
11244 is not of the same type as the input.
11246 2000-03-16 Nick Clifton <nickc@cygnus.com>
11248 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11251 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11253 * libgcc2.h: Move prototypes above macros with the same name.
11254 Wrap some function prototypes in the conditional which indicates
11255 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11257 2000-03-16 Richard Henderson <rth@cygnus.com>
11259 * calls.c: Revert last two changes.
11261 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11263 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11264 has exponent 0 is a zero.
11266 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11267 HASH may already be nonzero. Add code/mode into hash value
11268 immediately after repeat label.
11269 (cselib_lookup): Don't leave the hash table in an inconsistent
11270 state before a hash lookup operation.
11272 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11274 * i386.md (all HI and QI mode non-move patterns): Conditionize
11275 by TARGET_[HQ]IMODE_MATH.
11276 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11277 x86_promote_qi_regs): Declare.
11278 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11279 TARGET_PROMOTE_QI_REGS): New macros.
11280 (PROMOTE_MODE): New macro.
11281 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11282 x86_promote_qi_regs): New global variables.
11284 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11286 * calls.c (emit_library_call_value_1): Break out from ...; handle
11287 VOIDmode function calls too.
11288 (emit_library_call_value): ... here.
11289 (emit_library_call): Implement by calling emit_library_call_value_1.
11291 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11293 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11294 Update arg_space_so_far on stack adjustments.
11295 (emit_library_call, emit_library_call_value): Likewise; take into
11296 account arg_space_so_far and pending_stack_adjust when calculcating
11299 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11301 * flow.c: Move all basic block reordering code into its own file.
11302 (create_basic_block): Externalize.
11303 * bb-reorder.c: New file. Copy all basic block reordering code from
11304 flow.c to this file.
11305 (reorder_basic_blocks): Fix fencepost error in for-loop.
11306 (reorder_basic_blocks): Remove braces from single statement for-loops.
11307 * basic-block.h: Add declaration for create_basic_block.
11308 * Makefile.in: Add rules for bb-reorder.o.
11310 2000-03-16 Neil Booth <NeilB@earthling.net>
11312 * cppinit.c (handle_option): Implement #unassert directive
11313 as -A- command line option.
11314 (print_help): Update.
11315 * cpptexi.c: Update.
11317 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11319 * md.texi (Standard Names): Document `jump'.
11321 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11323 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11326 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11328 Merge changes from newppc-branch onto trunk.
11330 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11332 * rs6000.c (toc_hash_table): Update for new hash table functions.
11333 (toc_hash_function): Likewise.
11334 (toc_hash_eq): Likewise.
11335 (toc_hash_mark_entry): Likewise.
11336 (toc_hash_mark_table): Likewise.
11337 (output_toc): Likewise.
11338 (rs6000_add_gc_roots): Likewise.
11340 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11342 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11343 (AR_FLAGS_FOR_TARGET): here. New macro.
11345 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11347 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11348 fpmem_operand) Delete.
11350 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11351 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11352 (rs6000_save_machine_status, rs6000_restore_machine_status,
11353 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11354 references to above variables.
11355 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11356 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11357 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11358 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11359 (XER_REGNO_P, XER_REGNO): New.
11360 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11361 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11362 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11364 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11365 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11366 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11368 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11370 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11371 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11372 * rs6000.h: from here.
11374 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11375 (rs6000_select_rtx_section): Likewise.
11376 (rs6000_encode_section_info): Likewise.
11377 (sdata_section): Likewise.
11378 (sdata2_section): Likewise.
11379 (sbss_section): Likewise.
11380 * sysv4.h (rs6000_select_section): Delete prototype.
11381 (rs6000_select_rtx_section): Likewise.
11382 (rs6000_encode_section_info): Likewise.
11383 (sdata_section): Likewise.
11384 (sdata2_section): Likewise.
11385 (sbss_section): Likewise.
11386 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11388 * sysv4.h: Delete various unnecessary #undef's and put a comment
11389 on the remaining ones.
11390 Change various comments according to coding standard.
11392 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11394 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11395 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11396 (CR0_REGNO_P) Remove.
11397 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11398 setup_incoming_varargs, mtcrf_operation, print_operand,
11399 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11400 Use the above macros.
11402 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11404 * config/rs6000/rs6000.md: Added a new alternative for each
11405 pattern that had a 'x' alternative but no 'y' alternative.
11406 Added a new split for each of the above patterns.
11408 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11410 * aix41.h (ASM_CPU_SPEC): Delete.
11411 (CPP_CPU_SPEC): Delete.
11413 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11414 (ASM_OUTPUT_LABEL): Define.
11415 (ASM_GLOBALIZE_LABEL): Define.
11416 (STRIP_NAME_ENCODING): Define.
11417 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11418 (STRIP_NAME_ENCODING): Don't define.
11419 (ASM_OUTPUT_LABEL): Don't define.
11420 (ASM_GLOBALIZE_LABEL): Don't define.
11421 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11422 names, and ASM_OUTPUT_LABEL to output labels, rather than
11424 (ASM_OUTPUT_LABEL): Define.
11425 (ASM_OUTPUT_INT): Use assemble_name.
11426 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11427 (STRIP_NAME_ENCODING): Don't undefine first.
11428 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11430 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11431 specified with 'asm' even with -fleading-underscore.
11432 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11433 (output_epilog): Likewise.
11434 (output_toc): Likewise.
11435 * tramp.asm: Handle -fleading-underscore correctly.
11437 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11439 (nonlocal_goto_receiver): Delete.
11440 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11442 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11443 (SET_ASM_OP): Define.
11444 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11446 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11447 (ASM_LONG): Define.
11449 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11450 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11452 * rs6000.h: Add 'u' to more constants.
11454 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11456 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11458 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11460 * rs6000.c (reg_or_u_cint_operand): New function.
11461 (logical_operand): Handle 64-bit hosts.
11462 (logical_u_operand): New function.
11463 (non_logical_cint_operand): Handle 64-bit hosts.
11464 (non_logical_u_cint_operand): New function.
11465 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11466 (PREDICATE_CODES): Define new functions.
11467 * rs6000-protos.h: Declare new functions.
11468 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11469 (movdi_64): Bracket code intended for 64-bit hosts. Create
11470 CONST_DOUBLE for 32-bit values.
11471 (scc insns): Generate DImode compares.
11472 (mfcr insns): Create DImode versions.
11473 (sge matchers): New patterns.
11475 2000-02-15 Gabriel Paubert <paubert@iram.es>
11477 * rs6000.md: Correct instructions length attributes and
11478 constraints on unsigned compare instructions.
11479 (*ne0): Disable for PowerPC64.
11481 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11483 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11484 quantity, fix profile1.C test failure under -fPIC.
11486 * rs6000.c: Add 'u' to many constants to suppress warnings.
11487 (constant_pool_expr_1): Make static.
11488 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11489 * rs6000.h: Add 'u' to many constants to suppress warnings.
11491 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11492 for the start of the TOC, instead of LCTOC..0.
11493 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11495 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11496 (load_toc_aix_di): Use LCTOC..1.
11498 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11499 * rs6000.c (rs6000_legitimize_address): New function from
11500 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11501 symbols in the constant pool that really are TOC references.
11502 (print_operand_address): For ELF, write TOC offsets under
11503 -fPIC as subtractions in the insn.
11504 (output_toc): For ELF, define symbols in TOC as normal labels,
11506 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11507 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11508 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11509 * rs6000.md (movsi): Only use create_TOC_reference on
11510 symbols in the constant pool that really are TOC references.
11512 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11513 * rs6000.c (rs6000_reorg): Delete.
11514 * rs6000-protos.h (rs6000_reorg): Delete.
11516 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11518 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11520 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11521 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11522 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11523 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11524 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11525 rs6000_aix_emit_builtin_unwind_init.
11526 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11527 rs6000_emit_eh_toc_restore on AIX.
11528 (return_eh_si): Use r2.
11529 (return_eh_di): Use r2.
11531 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11532 since we're breaking binary compatibility anyway.
11534 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11536 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11537 constant_pool_expr_p): Declare them.
11538 (constant_pool_expr_p): Declare it.
11539 * config/rs6000/rs6000.c (toc_label_name): Define.
11540 (rs6000_override_options): Set toc_label_name.
11541 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11542 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11543 uses_TOC): New functions.
11544 (print_operand): Delete old '*' case.
11545 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11546 and strip off rtl for TOC before calling output_addr_const.
11547 (rs6000_emit_load_toc_table): Use toc_label_name.
11548 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11550 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11551 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11552 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11553 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11554 into explicit TOC_REGISTER offsets.
11555 (TOC_REGISTER): New macro.
11556 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11557 TARGET_TOC to reference TOC_REGISTER.
11558 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11559 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11560 uses_TOC before emitting label references.
11562 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11564 * rs6000.md (stack_tie): Fix warning.
11566 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11567 to handle -fleading-underscore.
11568 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11569 (USER_LABEL_PREFIX): New macro.
11570 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11571 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11572 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11573 call-linux can use the same multilibs.
11574 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11575 and call-linux multilibs. Do multilib with -fleading-underscore.
11576 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11577 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11580 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11581 have MASK_SOFT_FLOAT set.
11582 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11583 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11584 CPP_FLOAT_DEFAULT_SPEC.
11586 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11587 * rs6000.md: Whitespace change.
11588 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11589 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11591 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11593 * rs6000.md (eh_epilogue): New expander.
11594 (eh_reg_restore): New expand/split/insn combination.
11595 (return_eh_si): New insn.
11596 (return_eh_di): New insn.
11598 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11599 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11600 * eabi-ctors.c (__do_global_ctors): Register this object's
11601 frame. Clean up. Call atexit() after the constructors.
11602 (__do_global_dtors): Deregister this object's frame. Clean up.
11603 Allow for recursive calls to exit().
11604 * rs6000.c (fixuplabelno): New variable.
11605 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11606 TARGET_RELOCATABLE, it slows down exec() under linux.
11607 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11609 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11610 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11611 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11612 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11613 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11614 (ASM_OUTPUT_DWARF_ADDR): New macro.
11615 (ASM_OUTPUT_DWARF_DATA4): New macro.
11616 (ASM_OUTPUT_DWARF_DATA2): New macro.
11617 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11618 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11619 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11621 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11623 * rs6000.c (rs6000_sr_alias_set): New variable.
11624 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11625 (rs6000_emit_stack_tie): New function.
11626 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11627 in a way that dwarf2out can understand.
11628 (rs6000_frame_related): New function.
11629 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11630 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11631 Use rs6000_emit_stack_tie when needed.
11632 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11633 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11634 * rs6000.md (stack_tie): New insn.
11635 (return_internal_si): Allow return value to be in the count
11637 (return_internal_di): Likewise.
11639 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11641 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11643 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11645 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11647 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11649 * rs6000.md (stmw): Use the right POWER opcode.
11652 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11654 * rs6000-protos.h: New file.
11656 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11658 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11661 * sysv4.h: Likewise.
11663 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11665 * ../../configure.in: Delete powerpcle-*-winnt*
11666 and powerpcle-*-pe|powerpcle-*-cygwin*.
11667 * ../../configure: Regenerated.
11668 * cygwin.h: Delete.
11669 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11670 (TARGET_WINDOWS_NT): Delete.
11672 (CALL_NT_DLLIMPORT): Delete.
11673 Delete NT-specific code.
11674 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11675 * win-nt.h: Delete.
11677 * nt-ci.asm: Delete.
11678 * nt-cn.asm: Delete.
11679 * ntstack.asm: Delete.
11681 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11683 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11684 (ASM_FILE_START): Likewise.
11685 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11686 (ASM_OUTPUT_LABELREF): Likewise.
11687 (ASM_OUTPUT_SKIP): Likewise.
11688 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11689 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11690 (ASM_OUTPUT_CASE_LABEL): Likewise.
11691 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11692 (ASM_OUTPUT_ASCII): Likewise.
11694 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11696 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11697 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11698 increment rs6000_pic_labelno here.
11699 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11700 and increment rs6000_pic_labelno here.
11702 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11704 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11705 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11706 allocation knows (reg) is dead before the insn.
11708 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11710 * rs6000.md (movsi_to_cr): Correct typo in output template.
11712 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11714 * rs6000.c (rs6000_pic_labelno): Always define.
11715 (rs6000_pic_func_labelno): Delete.
11716 (lmw_operation): Check for a zero base register,
11717 which doesn't mean what we want.
11718 (stmw_operation): New function.
11719 (print_operand): Define new 'l' modifier.
11720 (rs6000_stack_info): We must save all 64 bits of the registers
11721 if TARGET_POWERPC64.
11722 (rs6000_output_load_toc_table): Delete.
11723 (rs6000_emit_load_toc_table): New function.
11724 (rs6000_allocate_stack_space): Delete.
11725 (rs6000_emit_allocate_stack): New function.
11726 (rs6000_emit_prologue): New function.
11727 (output_prolog): Use rs6000_emit_prologue.
11728 (rs6000_emit_epilogue): Change a few variable names to be
11729 more accurate. Restore all 64 bits of the registers if
11730 TARGET_POWERPC64. Only restore the FP registers which were used
11731 if they are being saved/restored one-at-a-time.
11732 (output_mi_thunk): Delete inefficient code generation.
11733 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11734 * rs6000.h: Declare rs6000_emit_load_toc_table,
11735 rs6000_allocate_stack_space, stmw_operation. Don't declare
11736 rs6000_output_load_toc_table.
11737 * rs6000.md (elf_high): Allow register 0, but discourage it
11739 (elf_low): Support loading into register 0.
11740 (load_toc_aix_si): New pattern.
11741 (load_toc_aix_di): New pattern.
11742 (load_toc_v4_pic_si): New pattern.
11743 (load_toc_v4_pic_di): New pattern.
11744 (load_toc_v4_PIC_1): New pattern.
11745 (load_toc_v4_PIC_1b): New pattern.
11746 (load_toc_v4_PIC_2): New pattern.
11747 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11748 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11749 (prologue): New expander.
11750 (movesi_from_cr): New pattern.
11751 (stmw): New pattern.
11752 (save_fpregs_si): New pattern.
11753 (save_fpregs_di): New pattern.
11755 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11757 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11762 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11764 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11766 (movsi_got_internal): Likewise.
11767 (movsi_got_internal+1): Likewise.
11768 (set_sp): 'unspec 7' does a SImode clobber.
11770 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11772 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11773 allocate a stack temporary.
11774 (floatsidf2_internal): Likewise.
11775 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11777 (floatunssidf2): Don't use the fpmem "register", just
11778 allocate a stack temporary.
11779 (floatunssidf2_internal): Likewise.
11780 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11782 (floatsidf2_loadaddr): Delete.
11783 (floatsidf2_store1): Delete.
11784 (floatsidf2_store2): Delete.
11785 (floatsidf2_load): Delete.
11786 (fix_truncdfsi2): Don't use the fpmem "register", just
11787 allocate a stack temporary.
11788 (fix_truncdfsi2_internal_si): Delete.
11789 (fix_truncdfsi2_internal_di): Delete.
11790 (fix_truncdfsi2_internal): New insn.
11791 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11792 (fix_truncdfsi2_store): Delete.
11793 (fix_truncdfsi2_load): Delete.
11794 (fctiwz): Produce gen_fctiwz.
11796 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11798 * eabi.h (INVOKE__main): Define.
11799 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11801 (rs6000_emit_prologue): Likewise.
11802 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11803 this is the main program.
11805 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11807 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11809 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11811 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11812 goes after the argument.
11814 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11816 * rs6000.md: Document 'unspec' values used.
11817 (epilogue): New expander.
11818 (movesi_to_cr_one): New expander.
11819 (movesi_to_cr and following): New pattern.
11820 (lmw): New pattern.
11821 (return_internal_si): New pattern.
11822 (return_internal_di): New pattern.
11823 (return_and_restore_fpregs_si): New pattern.
11824 (return_and_restore_fpregs_di): New pattern.
11825 * rs6000.h: Declare new functions.
11826 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11827 rather than rs6000_calls_p.
11828 (rs6000_makes_calls): Delete.
11829 (lmw_operation): New function.
11830 (mtcrf_operation): New function.
11831 (rs6000_emit_epilogue): New function.
11832 (output_epilog): Call rs6000_emit_epilogue and final if
11833 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11835 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11837 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11838 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11839 * aix.h (SUBTARGET_SWITCHES): Document switches.
11840 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11841 sched-prolog and sched-epilog the same. Document all the
11843 (TARGET_OPTIONS): No longer allow -mdebug-.
11845 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11847 * rs6000.h (ASM_FILE_END): Move to aix.h.
11848 (EXTRA_SECTIONS): Move to aix.h.
11849 (READONLY_DATA_SECTION): Move to aix.h.
11850 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11851 (SELECT_SECTION): Move to aix.h.
11852 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11853 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11854 (LINK_REGISTER_REGNUM): New definition.
11855 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11856 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11858 * sysv4.h: Delete the code between the inclusion of rs6000.h
11860 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11861 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11862 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11863 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11864 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11865 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11866 (fix_truncdfsi2_internal_di): New pattern.
11867 (fix_truncdfsi2_store): The second arg here is Pmode too.
11868 (fix_truncdfsi2_load): The second arg here is Pmode too.
11869 (tablejumpdi): Now that switch tables hold only SImode values,
11870 gcc needs to know how to add them to the pc which is DImode.
11871 * rs6000.c (rs6000_stack_info): Use symbolic name for
11872 LINK_REGISTER_REGNUM.
11873 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11874 (output_toc): Delete unused variables s1 and s2.
11875 (output_ascii): Use fputs not fprintf on a variable string.
11877 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11879 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11880 * aix43.h: Revert Aug 2 change.
11881 (HAS_INIT_SECTION): Define, not visible yet.
11882 (LD_INIT_SWITCH): Define, not visible yet.
11883 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11885 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11887 * config/rs6000/rtems.h: Include config/rtems.h.
11889 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11891 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11892 (SLOW_UNALIGNED_ACCESS): Define.
11893 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11894 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11895 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11896 (toc_section): Likewise and .toc pseudo-op.
11897 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11899 (TEXT_SECTION_ASM_OP): Likewise.
11900 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11903 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11905 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11906 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11909 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11911 * rs6000.h: Move more stuff from here...
11913 * sysv4.h: Cleanup accordingly.
11914 * netware.h: Likewise
11916 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11918 * rs6000.h: Continue cleanup.
11920 * lynx.h: Likewise.
11921 * netware.h: Likewise.
11922 * sol2.h: Likewise.
11923 * sysv4.h: Likewise.
11924 * win-nt.h: Likewise.
11926 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11927 (TARGET_OPTIONS): Likewise.
11929 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11930 (SUBTARGET_OPTIONS): Likewise.
11932 * rs6000.md: Fix compile time warnings.
11934 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11936 vxworks patches from the Cygnus tree originally by
11937 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11938 <vmakarov@cygnus.com>.
11939 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11940 (ENDFILE_SPEC): Likewise.
11941 (LIB_VXWORKS_SPEC): New macro.
11942 (STARTFILE_VXWORKS_SPEC): New macro.
11943 (ENDFILE_VXWORKS_SPEC): New macro.
11944 (LINK_START_VXWORKS_SPEC): New macro.
11945 (LINK_OS_VXWORKS_SPEC): New macro.
11946 (CPP_OS_VXWORKS_SPEC): New macro.
11947 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11948 * vxppc.h: Rewrite to use proper configuration method.
11949 * vxppcle.h: New file.
11950 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11951 * ../../configure: Rebuilt.
11953 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11955 Lots of changes to rs6000.h, sysv4.h, aix.h,
11956 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11957 with the aim that rs6000.h is the first header
11958 included and the others override it.
11961 * x-aix41-gld: Remove.
11963 * x-aix41: Remove target-specific switches, and don't specify
11964 -Wl,-bbigtoc as we don't need it any more.
11965 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11966 Use t-aix43 for AIX 4.3 and above.
11967 * ../../configure: Regenerated.
11969 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11970 options, that don't do anything yet.
11971 (MASK_SCHED_PROLOG): New macro.
11972 (MASK_SCHED_EPILOG): New macro.
11973 (TARGET_SCHED_PROLOG): New macro.
11974 (TARGET_SCHED_EPILOG): New macro.
11976 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11978 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11979 one per translation unit, not one per function.
11980 (output_toc): Also do duplicate constant elimination
11981 for per-translation-unit TOCs.
11983 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11984 a comment explaining _exactly_ when this pattern gets used.
11985 (builtin_setjmp_receiver): New pattern for better clarity.
11986 (init_v4_pic): Move it into a section dealing with TOC registers.
11988 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11990 * rs6000.c (toc_hash_table): New variable.
11991 (rs6000_hash_constant): New function.
11992 (toc_hash_function): New function.
11993 (toc_hash_eq): New function.
11994 (toc_hash_mark_entry): New function.
11995 (toc_hash_mark_table): New function.
11996 (output_toc): Don't output duplicate TOC entries in
11998 (rs6000_add_gc_roots): Add the hash table as a GC root.
11999 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12000 where they clearly shouldn't be. This may need to be fixed
12001 later when there is a GNU ar for AIX.
12002 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12003 Don't define BOOT_LDFLAGS as it is now not necessary.
12005 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12007 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12008 for va_list on AIX. Use unsigned_char_type_node rather than
12009 constructing our own version on svr4.
12011 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12013 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12014 since patently it's not.
12016 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12018 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12019 define_expand/define_insn pair, and handle restore of the
12020 SVR4 -fpic register.
12022 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12024 * acconfig.h (HAVE_GAS_WEAK): New define.
12025 * configure.in (assembler weak support): Check for .weak support.
12026 * config.in, configure: Rebuilt.
12027 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12028 HAVE_GAS_WEAK is defined.
12030 2000-03-15 Nick Clifton <nickc@cygnus.com>
12032 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12035 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12037 * cppfiles.c (open_include_file): New function.
12038 (find_include_file, cpp_read_file): Use it.
12040 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12042 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12044 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12046 * flow.c (verify_flow_info): Check for unconditional return.
12048 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12050 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12051 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12052 (__ia64_restore_stack_nonlocal): New.
12053 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12055 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12057 * cpphash.c (collect_formal_parameters): Do not complain about
12058 parameter names that just start with `__VA_ARGS__'.
12060 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12062 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12063 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12064 * i386.c (pentiumpro_cost): Set mul cost to 4.
12065 (x86_use_movx): Set for PPro.
12067 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12069 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12070 STACK_BOUNDARY for empty frames now.
12072 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12074 * stor-layout.c (layout_union): Remove.
12075 (layout_union_field): New function, split out from layout_union.
12076 (finish_union_layout): Likewise.
12077 (layout_field): Handle unions by calling layout_union_field.
12078 (finish_record_layout): Handle unions.
12079 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12080 QUAL_UNION_TYPE handling.
12082 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12084 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12085 end of basic block is jump_insn, not barrier; use create_basic_block
12086 instead of creating basic block by hand.
12088 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12090 * flow.c (reorder_basic_blocks): Account for barriers when writing
12091 over NEXT_INSN (last_bb->end).
12092 (verify_flow_info): Add check for missing barriers.
12094 2000-03-14 Greg McGary <gkm@gnu.org>
12096 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12097 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12098 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12099 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12100 __unbounded, __unbounded__): New keywords.
12101 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12102 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12103 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12105 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12107 * cselib.h: New file.
12108 * alias.c: Include "cselib.h".
12109 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12110 MEMs as two new arguments.
12111 (get_addr): New static function.
12112 (find_base_term): Handle VALUEs.
12113 (memrefs_conflict_p): Likewise.
12114 (true_dependence): Call get_addr on the addresses.
12115 Call fixed_scalar_and_varying_struct_p with addresses that have been
12116 passed through get_addr and canon_rtx.
12117 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12118 with true_dependence.
12119 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12120 * loop.c: Include "cselib.h".
12121 (load_mems): Process extended basic block that enters the loop with
12122 cselib. Use that information to change initialization of the shadow
12123 register so that a constant equivalence is seen by later passes.
12124 * reload1.c: Include "cselib.h".
12125 (reload_cse_invalidate_regno): Delete function.
12126 (reload_cse_mem_conflict_p): Likewise.
12127 (reload_cse_invalidate_mem): Likewise.
12128 (reload_cse_invalidate_rtx): Likewise.
12129 (reload_cse_regno_equal_p): Likewise.
12130 (reload_cse_check_clobber): Likewise.
12131 (reload_cse_record_set): Likewise.
12132 (reg_values): Delete static variable.
12133 (invalidate_regno_rtx): Likewise.
12134 (reload_cse_delete_noop_set): New static function.
12135 (reload_cse_simplify): New static function, broken out of
12137 (reload_cse_noop_set_p): Delete unused argument INSN.
12138 Just call rtx_equal_for_cselib_p on set source and destination.
12139 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12140 reload_cse_delete_noop_set. Delete code to keep track of values; use
12141 cselib functions instead. Delete code to push/pop obstacks.
12142 (reload_cse_simplify_set): Use cselib to find equivalent values.
12143 Delete code to push/pop obstacks.
12144 (reload_cse_simplify_operands): Likewise.
12145 * rtl.def (VALUE): New rtx code.
12146 * rtl.h (union rtunion_def): New elt rt_cselib.
12147 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12148 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12149 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12150 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12151 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12152 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12153 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12154 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12155 cselib_record_set, cselib_record_sets): New static functions.
12156 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12157 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12158 references_value_p): New functions.
12159 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12160 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12161 n_useless_values, reg_values, callmem, cselib_obstack,
12162 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12163 New static variables.
12164 * varray.h (union varray_data_tag): New elt te.
12165 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12166 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12169 2000-03-14 Nick Clifton <nickc@cygnus.com>
12171 * gcc.c (do_spec_1): Catch the case where %* is used in a
12172 substitution pattern, but it has not been initialised.
12173 Issue a meaningful error message if an unrecognised operator
12174 is encountered in a spec string.
12176 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12178 * function.c (prepare_function_start): Correctly initialize
12179 cfun->stack_alignment_needed.
12181 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12183 * cppfiles.c (find_include_file): Don't assume nshort is a
12186 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12188 * configure.in (hppa configurations): Add pa32-regs.h to the
12189 list of tm files as appropriate.
12190 * configure: Rebuilt.
12191 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12192 register numbering.
12193 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12194 (fmpyaddoperands, fmpysuboperands): Likewise.
12195 * pa.h: Remove various definitions which depend on knowing
12196 how registers are numbered.
12197 * pa32-regs.h: New file with PA32 register numbering specific
12200 2000-03-14 Richard Henderson <rth@cygnus.com>
12202 * regmove.c (combine_stack_adjustments): New.
12203 (stack_memref_p, single_set_for_csa): New.
12204 (free_csa_memlist, record_one_stack_memref): New.
12205 (try_apply_stack_adjustment): New.
12206 (combine_stack_adjustments_for_block): New.
12207 * rtl.h (combine_stack_adjustments): Declare.
12208 * toplev.c (rest_of_compilation): Call it.
12210 * i386.md: Revert 2000-01-16 change.
12212 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12214 * gccbug.in: Add web category, gcc specific classes.
12216 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12218 * stor-layout.c (finalize_record_size): Fix typo.
12220 2000-03-14 Stan Shebs <shebs@apple.com>
12222 * c-typeck.c (c_alignof): Error on incomplete types.
12223 * extend.texi (Alignment): Document this.
12225 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12227 * cppfiles.c: Include mkdeps.h.
12228 (find_include_file, read_include_file): Remove _cpp_ prefix
12229 from name, make static.
12230 (_cpp_execute_include): New function, broken out of
12233 * cpplib.c: Don't include mkdeps.h.
12234 (struct directive): Remove type field. Reorder entries. The
12235 function takes only one argument.
12236 (struct if_stack): Make type field an int.
12237 (directive_table): Rename to dtable. Generate it, the
12238 prototypes of the directive handlers, and the enum for the
12239 directive numbers, from a template macro.
12240 (do_ifndef, do_include_next, do_import): New functions.
12241 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12242 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12243 do_ident, do_assert, do_unassert, do_sccs): Take only one
12245 (do_sccs): Define always, but alter behavior based on
12247 (_cpp_handle_directive, consider_directive_while_skipping):
12248 Restructure for new directive table layout.
12250 (pass_thru_directive): Take a directive number, not a pointer
12251 to a struct directive.
12252 (parse_include): New function, broken out of do_include.
12253 (do_include, do_import, do_include_next): Use parse_include
12254 and _cpp_execute_include.
12255 (do_elif, do_else): Test for T_ELSE specifically when checking
12256 for #elif/#else after #else.
12257 (parse_ifdef): New function, broken out of do_ifdef.
12258 (validate_else): Expect a name arg without a leading #.
12259 (if_directive_name): Delete.
12260 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12261 directive handlers with only one argument.
12263 * cpphash.h: Update prototypes.
12264 (enum node_type): Remove entries for directives.
12265 * Makefile.in: Update dependencies.
12267 * cpphash.c (dump_hash_helper): Only dump nodes of type
12268 T_MACRO. Emit a newline after each definition.
12270 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12272 * gccbug.in: New file.
12273 * configure.in (all_outputs): Add gccbug.
12274 * Makefile.in (install-common): Install gccbug.
12275 (GCCBUG_INSTALL_NAME): New variable.
12276 * configure: Rebuilt.
12278 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12280 * function.c (put_var_into_stack): Use type_for_mode to calculate
12281 part_type. Use MEM_SET_IN_STRUCT_P.
12282 * expr.c (store_field): Handle CONCAT.
12283 (store_constructor): Use fields_length.
12284 * tree.c (fields_length): New fn.
12285 * tree.h: Declare it.
12287 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12289 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12290 (cpplex.o): New target.
12291 * po/POTFILES.in: Add cpplex.c.
12293 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12294 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12295 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12296 skip_block_comment, skip_line_comment, skip_comment,
12297 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12298 _cpp_parse_name, skip_string, parse_string,
12299 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12300 _cpp_get_directive_token, find_position,
12301 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12302 (maybe_macroexpand, _cpp_lex_token): New functions.
12304 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12305 parse_goto_mark): Delete.
12306 (_cpp_handle_eof): New function.
12307 (_cpp_handle_directive): Rename from handle_directive.
12308 (_cpp_output_line_command): Rename from output_line_command.
12309 (do_if, do_elif): Call _cpp_parse_expr directly.
12310 * cppfiles.c (_cpp_read_include_file): Don't call
12311 init_input_buffer here.
12312 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12313 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12314 here; pop the token_buffer and skip the rest of the line here.
12315 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12318 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12320 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12321 CPP_GOTO_MARK): New macros.
12322 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12323 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12324 _cpp_read_and_prescan, _cpp_init_input_buffer,
12325 _cpp_grow_token_buffer, _cpp_get_directive_token,
12326 _cpp_handle_directive, _cpp_handle_eof,
12327 _cpp_output_line_command): Prototype them here.
12328 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12329 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12330 quote_string, output_line_command): Remove.
12332 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12334 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12335 whether it is too large we must also verify that it isn't negative.
12337 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12339 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12340 (movsi_zero_liveg0): Remove.
12341 (movsf_insn_novis_liveg0): Remove.
12343 (negsi2_not_liveg0): Rename to negsi2.
12344 (one_cmplsi2): Remove.
12345 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12346 (one_cmplsi2_liveg0): Remove.
12347 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12348 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12349 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12350 (PREDICATE_CODES): Remove zero_operand.
12351 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12352 TARGET_BROKEN_SAVERESTORE.
12353 (zero_operand): Remove.
12354 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12355 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12357 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12358 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12359 TARGET_BROKEN_SAVERESTORE): Remove.
12360 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12362 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12364 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12367 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12369 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12371 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12372 truncating a string. Don't assume tokens are nul terminated.
12373 Problem noted by Andreas Jaeger <aj@suse.de>
12375 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12377 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12378 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12379 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12381 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12383 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12384 STRUCTURE_SIZE_BOUNDARY.
12386 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12388 * tree.h (record_layout_info_s): New structure.
12389 (record_layout_info): New type.
12390 (new_record_layout_info): New function.
12391 (layout_field): Likewise.
12392 (finish_record_layout): Likewise.
12393 * stor-layout.c (layout_record): Remove.
12394 (new_record_layout_info): New function.
12395 (layout_field): New function, broken out from layout_record.
12396 (finalize_record_size): Likewise.
12397 (compute_record_mode): Likewise.
12398 (finalize_type_size): New function, broken out from layout_type.
12399 (finish_record_layout): Likewise.
12400 (layout_type): Use them.
12402 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12404 * cpphash.c: Don't include version.h.
12405 (special_symbol) [case T_VERSION]: Look for the string in
12406 hp->value.cpval; don't use version_string.
12407 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12408 __VERSION__ to version_string.
12409 * Makefile.in (cpphash.o): Update deps.
12411 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12413 Convert cpplib to use libiberty/hashtab.c.
12415 * cpplib.h (struct cpp_reader): Make hashtab and
12416 all_include_files of type 'struct htab *'. Delete HASHSIZE
12417 and ALL_INCLUDE_HASHSIZE macros.
12419 * cpphash.h: Update prototypes.
12420 (struct hashnode): Remove next, prev, and bucket_hdr members.
12421 Make length a size_t. Add hash member.
12422 (struct ihash): Remove next member. Add hash member. Make
12423 name a flexible array member.
12425 * cppfiles.c: Include hashtab.h.
12426 (include_hash): Delete.
12427 (IHASHSIZE): New macro.
12428 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12429 (cpp_included): Do the hash lookup here.
12430 (_cpp_find_include_file): Rewrite.
12431 (cpp_read_file): Put the "fake" hash entry into the hash
12432 table. Honor the control_macro, if it turns out we've seen
12433 the file before. Don't push the buffer here.
12434 (_cpp_read_include_file): Push the buffer here.
12435 (OMODES): New macro. Use it whenever we call open(2).
12437 * cpphash.c: Include hashtab.h.
12438 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12439 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12440 _cpp_lookup_slot): New functions.
12441 (HASHSIZE): new macro.
12442 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12443 (_cpp_lookup): Use hashtab.h routines.
12445 * cppinit.c: Include hashtab.h.
12446 (cpp_reader_init): Call _cpp_init_macro_hash and
12447 _cpp_init_include_hash. Don't allocate hashtab directly.
12448 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12449 pfile->all_include_files.
12450 (initialize_builtins): Use _cpp_make_hashnode and
12451 htab_find_slot to add hash entries.
12452 (cpp_finish): Just call _cpp_dump_macro_hash.
12453 * cpplib.c: Include hashtab.h.
12454 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12455 create hash entries.
12456 (do_pragma_poison, do_assert): Likewise.
12457 (do_include): Don't push the buffer here. Don't increment
12458 system_include_depth unless _cpp_read_include_file succeeds.
12459 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12460 or htab_remove_elt.
12461 (do_pragma_implementation): Use alloca to create copy.
12463 * Makefile.in: Update dependencies.
12465 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12467 * cppinit.c (cl_directive_handler): More K&R fixing.
12469 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12471 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12473 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12475 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12477 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12478 Change from char[] to macros.
12480 2000-03-12 Neil Booth <NeilB@earthling.net>
12482 * cppinit.c (cpp_start_read): Update indirect function
12485 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12487 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12490 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12491 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12493 2000-03-11 Neil Booth <NeilB@earthling.net>
12495 * cppinit.c (struct pending option): Replace undef with a
12496 pointer to a directive handling routine.
12497 (struct cpp_pending): Replace separate assert_ and define_
12498 lists with one directive_ list.
12499 (new_pending_define): Rename new_pending_directive. Extra
12500 argument is the directive's handling routine.
12501 (handle_option): Update to use new_pending_directive.
12503 2000-03-11 Neil Booth <NeilB@earthling.net>
12505 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12506 remap_filename, _cpp_read_include_file, actual_directory,
12507 hack_vms_include_specification): Replace bcopy(), index() etc
12508 calls. Add casts to some allocations. Make some variables
12509 pointers to const [unsigned] char.
12510 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12511 collect_formal_parameters): Similarly.
12512 * cppinit.c (struct pending_option, append_include_chain,
12513 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12514 cpp_start_read, new_pending_define, handle_option): Similarly.
12515 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12516 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12517 do_pragma_implementation, detect_if_not_defined,
12518 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12519 do_assert, do_unassert): Similarly.
12520 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12521 function prototypes.
12522 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12524 2000-03-10 Richard Henderson <rth@cygnus.com>
12526 * builtins.c (expand_builtin_strlen): Revert last change.
12527 Use emit_insn_before if we're at the beginning of a sequence.
12529 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12531 * builtins.c (expand_builtin_strlen): Make sure that we have something
12532 at the beginning of the sequence.
12534 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12537 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12539 2000-03-10 Richard Henderson <rth@cygnus.com>
12541 * except.c (can_throw): Use INTVAL on a CONST_INT.
12542 (reachable_handlers): Likewise.
12543 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12545 2000-03-10 Andreas Jaeger <aj@suse.de>
12547 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12548 MD_STARTFILE_PREFIX since those are not needed on linux.
12549 (ASM_FILE_START): New, from mips/gnu.h.
12551 2000-03-09 Richard Henderson <rth@cygnus.com>
12552 Alex Samuel <samuel@codesourcery.com> and others
12554 * Makefile.in (ssa.o): New rule.
12556 (STAGESTUFF): Add *.ssa and *.ussa.
12557 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12558 * rtl.def (PHI): New RTL expression.
12559 * rtl.h (clear_log_links): New declaration.
12560 (convert_to_ssa): Likewise.
12561 (convert_from_ssa): Likewise.
12562 * flow.c (split_edge): If the entry node falls through to the
12563 split edge's source block, split the entry edge.
12564 (clear_log_links): New function.
12565 * toplev.c (ssa_dump): New variable.
12566 (flag_ssa): Likewise.
12567 (f_options): Add "ssa".
12568 (compile_file): Create SSA dump files.
12569 (rest_of_compilation): Go to and from SSA if enabled.
12570 (decide_d_option): Handle -de for SSA dump files.
12573 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12575 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12578 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12580 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12582 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12584 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12585 (MD_STARTFILE_PREFIX_1): New macro.
12587 2000-03-09 Robert Lipe <robertl@sco.com>
12589 * config/ia64/ia64.c: Include system.h.
12591 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12593 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12594 (init_eh_nesting_info): Likewise.
12596 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12597 (TREE_NOTHROW): Rename from TREE_RAISES.
12598 * toplev.c (rest_of_compilation): Set it.
12599 * print-tree.c (print_node): Adjust.
12600 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12601 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12602 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12603 REG_EH_REGION note as appropriate.
12604 (libfunc_nothrow): New fn.
12605 (emit_library_call, emit_library_call_value): Use it.
12606 (expand_call): Check TREE_NOTHROW.
12608 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12609 DECL_ASSEMBLER_NAME.
12611 2000-03-09 Andreas Jaeger <aj@suse.de>
12613 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12614 (TARGET_MEM_FUNCTIONS): Define.
12616 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12618 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12620 * except.c (can_throw): See through a SEQUENCE.
12621 (nothrow_function_p): New fn.
12622 * except.h: Declare it.
12623 * function.c (current_function_nothrow): New var.
12624 (prepare_function_start): Initialize it.
12625 * output.h: Declare it.
12626 * toplev.c (rest_of_compilation): Set it.
12627 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12629 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12631 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12632 match. (cpp_compare_defs): Count the nul separator when
12633 advancing over argument names.
12635 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12637 * recog.c (preprocess_constraints): Matching constraints affect
12638 same alternative/different operand, not same operand/different
12641 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12642 register and a constant specially.
12644 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12646 * libgcc2.h: New file.
12647 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12649 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12651 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12652 * configure: Regenerate.
12653 * config/ia64: New.
12655 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12657 * Makefile.in (LIBCPP_DEPS): New macro.
12658 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12659 it to declare deps.
12660 * cpperror.c: Include cpphash.h.
12661 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12663 (lex): Don't use CPP_WARN_UNDEF.
12664 (_cpp_parse_expr): Return an int, the truth value.
12665 * cppfiles.c: Include cpphash.h.
12666 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12667 * cppinit.c (include_defaults_array): Disentangle.
12668 (cpp_cleanup): Don't free the if stack here.
12669 (cpp_finish): Pop off all buffers, not just one.
12670 * cpplib.c (eval_if_expr): Return int.
12671 (do_xifdef): Rename do_ifdef.
12672 (handle_directive): Don't use CPP_PREPROCESSED.
12673 (cpp_get_token): Don't use CPP_C89.
12674 * fix-header.c: Don't use CPP_OPTIONS.
12676 * cpplib.h: Move U_CHAR, enum node_type, struct
12677 file_name_list, struct ihash, is_idchar, is_idstart,
12678 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12679 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12680 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12681 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12682 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12683 of _cpp_simplify_pathname, _cpp_find_include_file,
12684 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12685 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12687 Change all uses of U_CHAR to be unsigned char instead.
12688 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12690 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12692 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12693 (dwarf2out_begin_prologue): Set it.
12694 (output_call_frame_info): Don't emit EH unwind info for leaves.
12696 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12697 can occur outside of an EH region.
12698 * except.c: Correct comments about rethrow behavior.
12699 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12701 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12703 * flow.c (make_edges): Always call make_eh_edge for calls.
12705 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12707 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12708 (struct cpp_buffer): Remove fname and underflow fields.
12709 (struct cpp_reader): Remove get_token field.
12710 (struct include_hash): Rename to struct ihash. Add typedef to
12712 (struct if_stack): Remove fname field.
12713 (IF_STACK_FRAME): Rename to IF_STACK.
12715 * cpperror.c (print_containing_files): Trust that there are no
12716 macro buffers below the top file buffer.
12717 * cppfiles.c: Replace all references to 'struct include_hash'
12718 with 'IHASH'. Rename initialize_input_buffer to
12719 init_input_buffer. Don't set or reference cpp_buffer->fname,
12720 use buffer->ihash->name instead.
12721 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12722 not CPP_NULL_BUFFER.
12723 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12724 IF_STACK_FRAME, IHASH not struct include_hash.
12725 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12726 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12727 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12728 references to cpp_buffer->fname (delete entirely, or use
12729 ->ihash->name instead) and IF_STACK->fname.
12730 (cpp_push_buffer): Don't set new->underflow.
12731 (do_include): Use cpp_file_buffer.
12733 * cpphash.c (collect_formal_parameters): Remove duplicate
12734 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12735 used as a macro argument name. Don't append "..." to namebuf
12736 for varargs macros. After we're done scanning, go through
12737 namebuf and make it NUL separated, not comma separated.
12738 (_cpp_compare_defs): Remove register tag from variables.
12739 Expect defn->argnames to be NUL separated.
12740 (_cpp_dump_definition): Expect defn->argnames to be NUL
12741 separated and in forward order.
12742 * cpphash.h: Update documentation of argnames field.
12744 2000-03-08 Richard Henderson <rth@cygnus.com>
12746 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12747 to fail. Don't pre-expand the source operand.
12749 * i386.md (strlensi): Initialize eoschar and align before use.
12751 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12753 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12754 CONSTRUCTOR element.
12756 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12758 * mips.c (mips_expand_prologue): If the last
12759 named argument is the vararg marker "va_list", treat it as
12760 an unnamed argument.
12762 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12764 * dbxout.c (dbxout_parms): When correcting for promoted
12765 big-endian parameters, use the mode of the DECL_RTL rather
12766 than UNITS_PER_WORD.
12768 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12770 * c-common.h (make_fname_decl): Declare.
12771 * c-common.c (make_fname_decl): Define.
12772 (declare_hidden_char_array): Remove.
12773 (declare_function_name): Use make_fname_decl.
12774 * c-decl.c (c_make_fname_decl): New function.
12775 (init_decl_processing): Set make_fname_decl.
12777 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12779 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12781 2000-03-07 Philipp Thomas <pthomas@suse.de>
12783 * po/POTFILES.in: Remove cppalloc.c from file list.
12785 2000-03-07 Steve Chamberlain <sac@pobox.com>
12787 * pj.c (pj_expand_prologue): current_function->args_info is
12788 now current_function_args_info.
12790 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12791 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12792 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12794 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12796 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12797 output as hexadecimal rather than the default octal.
12799 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12801 * cpphash.c (special_symbol): Fix thinko in previous commit.
12803 2000-03-07 Neil Booth <NeilB@earthling.net>
12805 * cppexp.c (struct operation, left_shift, right_shift,
12806 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12807 "int"s to "unsigned int"s.
12808 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12810 * cpplib.h: Update for above.
12811 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12812 returned from allocations.
12814 * cppinit.c (opt_comp, parse_options): New functions.
12815 (handle_option): Use parse_option to parse a single command
12816 line option, that possibly takes an argument.
12817 (cpp_handle_options): Sort the array of command line options on
12818 first invocation (non-ASCII hosts only).
12819 (print_help): Update.
12821 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12823 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12824 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12826 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12828 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12830 * cpperror.c (cpp_print_containing_files,
12831 cpp_print_file_and_line, v_cpp_message): Rename to
12832 print_containing_files, print_file_and_line, and v_message.
12833 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12834 to _cpp_parse_expr, parse_escape, and lex.
12835 (parse_charconst): Remove broken multibyte support.
12836 * cppfiles.c (include_hash): Make static.
12837 (cpp_included): New function.
12838 (merge_include_chains, find_include_file, finclude,
12839 simplify_pathname): Rename to _cpp_merge_include_chains,
12840 _cpp_find_include_file, _cpp_read_include_file, and
12841 _cpp_simplify_pathname.
12842 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12843 cpp_install, create_definition, macroexpand, compare_defs,
12844 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12845 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12846 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12847 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12849 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12851 * cpphash.h: Update prototypes.
12852 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12854 2000-03-07 Andrew Haley <aph@cygnus.com>
12856 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12857 PTRDIFF_TYPE should be based solely on Pmode.
12858 (SIZE_TYPE): ditto.
12860 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12862 * rtl.h (rtunion_def): Constify member `rtstr'.
12863 (emit_line_note_after, emit_line_note, emit_line_note_force,
12864 emit_note, decode_asm_operands): Constify.
12866 * cse.c (canon_hash): Likewise.
12868 * dbxout.c (dbxout_block): Likewise.
12870 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12871 v_warning_for_asm): Likewise.
12873 * dwarfout.c (function_start_label): Likewise.
12875 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12876 emit_line_note_force): Likewise.
12878 * final.c (last_filename, asm_insn_count, final_scan_insn,
12879 output_source_line): Likewise.
12881 * function.h (struct emit_status): Likewise.
12883 * gcse.c (hash_expr_1): Likewise.
12885 * genattr.c (gen_attr, main): Likewise.
12887 * genattrtab.c (struct function_unit, current_alternative_string,
12888 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12889 attr_numeral, check_attr_test, check_attr_value,
12890 convert_set_attr_alternative, convert_set_attr,
12891 compute_alternative_mask, simplify_by_exploding, gen_attr,
12892 gen_unit): Likewise.
12894 * genflags.c (gen_insn): Likewise.
12896 * gengenrtl.c (type_from_format): Likewise.
12898 * genopinit.c (gen_insn): Likewise.
12900 * genoutput.c (n_occurrences, process_template, process_template):
12903 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12906 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12909 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12910 ggc_set_mark, ggc_get_size): Likewise.
12912 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12914 * optabs.c (init_one_libfunc): Likewise.
12916 * output.h (assemble_start_function): Likewise.
12918 * recog.c (decode_asm_operands): Likewise.
12920 * toplev.c (rest_of_compilation): Likewise.
12922 * tree.h (emit_line_note_after, emit_line_note,
12923 emit_line_note_force): Likewise.
12925 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12926 asm_emit_uninitialised, assemble_start_function,
12927 assemble_variable, const_hash, compare_constant_1,
12928 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12930 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12932 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12934 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12936 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12938 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12939 arm_dllimport_name_p): Likewise.
12941 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12944 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12946 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12948 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12949 arm_mark_dllexport, arm_mark_dllimport,
12950 arm_pe_encode_section_info): Likewise.
12952 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12953 ASM_FINISH_DECLARE_OBJECT): Likewise.
12955 * arm/thumb.c (thumb_function_prologue): Likewise.
12957 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12959 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12961 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12963 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12965 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12967 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12969 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12970 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12972 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12974 * i386/i386.c (asm_output_function_prefix): Likewise.
12976 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12978 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12980 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12982 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12983 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12984 ASM_OUTPUT_SECTION_NAME): Likewise.
12986 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12988 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12990 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12992 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12994 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12996 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12998 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13000 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13002 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13004 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13006 * mips/mips.md (movdi, movsi): Likewise.
13008 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13010 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13012 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13014 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13015 ASM_OUTPUT_ASCII): Likewise.
13017 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13018 output_mi_thunk, output_toc): Likewise.
13020 * rs6000/rs6000.md (movsi): Likewise.
13022 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13024 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13026 * v850/v850.c (print_operand, print_operand_address,
13027 v850_encode_data_area): Likewise.
13029 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13031 * config/mips/mips.md (zero_extendsidi2): Always force operand
13032 one to memory for mips16.
13034 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13036 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13037 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13038 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13039 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13040 (min_precision): Result is unsigned.
13041 (add_double, neg_double, mul_double): Low word is unsigned.
13042 (lshift_double, rshift_double, lrotate_double): Likewise.
13043 (rrotate_double, div_and_round_double): Likewise.
13044 (tree_floor_log2, compare_tree_int): New functions.
13045 (preserve_rtl_expr_temps): New declaration.
13046 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13047 (decl_attributes): Use tree_log2 to find alignment.
13048 Check for TREE_INT_CST_HIGH for format args.
13049 (min_precision): Now unsigned.
13050 Use tree_floor_log2.
13051 (truthvalue_conversion): Delete long-disabled code.
13052 * c-decl.c (finish_struct): Clean up tests on field width.
13053 (finish_function): Use compare_tree_int.
13054 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13055 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13056 (default_conversion, digest_init): Use compare_tree_int.
13057 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13058 Fix type errors in forming masks.
13059 * calls.c (initialize_argument_information): Use compare_tree_int.
13060 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13061 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13062 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13063 (store_field): Use compare_tree_int.
13064 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13065 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13066 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13067 (do_store_flag): Use compare_tree_int.
13068 * fold-const.c (encode, decode): Low part is always unsigned.
13069 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13070 (lshift_double, rshift_double, lrotate_double): Likewise.
13071 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13072 (fold_convert): Use compare_tree_int.
13073 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13074 (invert_truthvalue, case INTEGER_CST): Likewise.
13075 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13076 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13077 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13078 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13080 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13081 (expand_end_case): Use compare_tree_int.
13082 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13083 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13084 (layout_decl): Likewise.
13085 (layout_record, layout_union): Make sizes unsigned.
13086 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13087 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13088 * tree.c (struct type_hash): hashcode is unsigned.
13089 (build_type_attribute_variant, type_hash_list): Likewise.
13090 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13091 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13092 (build_complex_type): Likewise.
13093 (real_value_from_int_cst): Remove unneeded casts.
13094 (integer_all_onesp): Add casts.
13095 (tree_floor_log2, compare_tree_int): New functions.
13096 (build_index_type): Use tree_int_cst_sgn.
13097 * varasm.c (assemble_variable): Use compare_tree_int.
13099 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13101 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13103 * varasm.c (make_decl_rtl): Don't add a number to members of
13105 (make_function_rtl): Likewise.
13107 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13109 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13110 patch from 2000-01-28.
13112 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13114 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13115 filled with an insn from the jump target.
13117 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13119 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13120 (c4x_external_ref): Likewise.
13121 * config/c4x/c4x.c (struct name_list): Likewise.
13123 1999-12-16 Ben Collins <bcollins@debian.org>
13125 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13126 argument to genmultilib.
13127 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13128 the contents into the multilib.h header.
13129 * gcc.c: Declare multilib_exclusions for the specs file.
13130 (set_multilib_dir): Use it.
13131 (print_multilib_info): Likewise.
13132 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13133 to pass to genmultilib.
13135 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13137 * builtins.c (built_in_class_names, built_in_names): Constify a
13140 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13142 (_mcleanup): Ensure value matches format specifier in sprintf.
13144 * cpphash.c (special_symbol): Don't needlessly cast away
13147 * cppinit.c (base_name): Delete unused prototype.
13149 * mkdeps.c (deps_init): Make definition K&R safe.
13151 * tree.h (built_in_class_names, built_in_names): Constify a
13154 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13156 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13157 floating point instructions for epilogue delay.
13159 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13160 to gas if it supports .register pseudo.
13162 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13163 LONG_DOUBLE_TYPE_SIZE if not defined.
13164 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13165 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13166 * real.c: Likewise.
13167 * gengenrtl.c: Likewise.
13168 * print-rtl.c: Likewise.
13170 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13171 MASK_LONG_DOUBLE_128.
13172 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13173 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13174 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13175 (SUBTARGET_SWITCHES): Define.
13176 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13177 with -mlong-double-128.
13178 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13179 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13180 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13181 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13182 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13183 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13184 with -mlong-double-128.
13185 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13186 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13187 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13188 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13189 TARGET_LONG_DOUBLE_128): Define.
13190 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13191 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13192 long double on TARGET_ARCH64.
13194 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13196 * function.c (free_temps_for_rtl_expr): Don't free slots
13197 that have been pushed into a higher level.
13200 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13202 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13204 * basic-block.h (ALLOCA_REG_SET): Remove.
13205 (INITIALIZE_REG_SET): New macro.
13206 * flow.c (update_life_info): Use it.
13207 (calculate_global_regs_live): Likewise.
13208 (propagate_block): Likewise.
13209 * global.c (build_insn_chain): Likewise.
13210 * haifa-sched.c (schedule_region): Likewise.
13212 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13214 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13215 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13216 (DWARF_ARANGES_PAD_SIZE): New define.
13217 (output_aranges): Use it to pad the address range header.
13218 (DWARF_ROUND): Fix for non power of 2 rounding.
13220 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13222 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13224 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13226 * tree.def (RTL_EXPR): Update documentation.
13227 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13228 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13229 * function.c (preserve_rtl_expr_temp): New function.
13230 (preserve_rtl_expr_temps): Likewise.
13231 (preserve_rtl_expr_result): Use it.
13234 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13236 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13238 * regmove.c (copy_src_to_dest) Do not create src->dest move
13239 for unchanging destination.
13241 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13243 * function.h (struct sequence_stack): Remove rtl_expr.
13244 (struct emit_staus): Likewise.
13245 (seq_rtl_expr): Remove.
13246 * tree.h (free_temps_for_rtl_expr): Don't declare.
13247 (start_sequence_for_rtl_expr): Likewise.
13248 * rtl.h (preserve_rtl_expr_result): Likewise.
13249 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13250 (start_sequence_for_rtl_expr): Remove.
13251 (push_topmost_sequence): Don't save sequence_rtl_expr.
13252 (pop_topmost_sequence): Remove comment about not restoring it.
13253 (end_sequence): Don't set seq_rtl_expr.
13254 (init_emit): Don't initialize it.
13255 (mark_sequence_stack): Don't mark it.
13256 (mark_emit_status): Likewise.
13257 * except.c (protect_with_terminate): Use
13258 start_sequence_for_rtl_expr, not start_sequence.
13259 * expr.c (expand_expr, case RTL_EXPR): Don't call
13260 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13261 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13262 (preserve_rtl_expr_result): Remove.
13263 (free_temps_for_rtl_expr): Likewise.
13264 (pop_temp_slots): Likewise.
13265 (mark_temp_slot): Don't mark the rtl_expr.
13266 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13267 start_sequence_for_rtl_expr.
13269 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13271 * mkdeps.c, mkdeps.h: New files.
13272 * po/POTFILES.in: Add them.
13273 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13274 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13275 (mkdeps.o): New target.
13277 * cppfiles.c: Delete deps_output.
13278 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13279 OBJECT_SUFFIX, and base_name.
13280 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13282 (initialize_dependency_output): Use deps_init,
13283 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13284 all the unnecessary string bashing.
13285 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13287 * cpplib.c (do_include): Use deps_add_dep.
13288 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13289 deps_allocated_size, deps_size, deps_column members with
13290 single pointer to a struct deps. Delete prototype of
13293 * cppinit.c: Fix thinko in previous patch.
13295 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13297 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13298 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13299 (mode_for_size_tree): New function.
13300 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13301 * tree.h (mode_for_size_tree): New declaration.
13303 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13305 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13307 * stmt.c (is_body_block): Move...
13308 * dwarfout.c, dwarf2out.c: ...from here.
13309 * tree.h: Declare it.
13310 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13311 * final.c (final_start_function): Do call remove_unnecessary_notes
13314 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13316 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13318 * cpplib.h (_dollar_ok): New macro.
13319 (is_idchar, is_idstart): Use it.
13320 (IStable): Rename to _cpp_IStable. Declare it const if
13321 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13322 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13323 is_space): Update for renamed IStable.
13325 * cppinit.c: Delete all references to FAKE_CONST and CAT
13326 macros. Define init_IStable as empty macro if gcc >=2.7 or
13327 C99. Change TABLE() to ISTABLE and hardcode name of table.
13328 (cpp_start_read): Don't change the IStable based on
13331 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13332 changed. Handle '$' for char1 correctly.
13333 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13335 * cppexp.c (tokentab2): Make const.
13336 (cpp_lex): Make toktab const.
13337 * cppinit.c (include_defaults_array): Make const.
13338 (initialize_standard_includes): Make default_include const.
13340 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13342 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13343 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13344 (gen_decl_die): Likewise.
13345 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13346 (output_decl): Likewise.
13348 * varasm.c (make_function_rtl): If we change the name used in the
13349 rtl, update DECL_ASSEMBLER_NAME accordingly.
13350 (make_decl_rtl): Likewise.
13352 * toplev.c (rest_of_compilation): Tweak formatting.
13354 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13355 remove_unnecessary_notes.
13356 (debug_ignore_block): New fn.
13357 * toplev.h: Declare it.
13358 * emit-rtl.c (remove_unncessary_notes): Call it.
13359 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13360 * dwarf2out.h: Declare it.
13361 * final.c (final_start_function): Don't call remove_unnecessary_notes
13362 if we did insn scheduling.
13364 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13366 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13367 * cpplib.h: Delete SET_CPP_PEDANTIC.
13369 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13371 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13372 result is a RECORD_TYPE.
13374 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13376 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13378 2000-03-03 Richard Henderson <rth@cygnus.com>
13380 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13381 addition over compliments over shifts.
13383 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13385 * reload1.c (reload_combine_note_use): Handle return register USEs.
13386 REG case: Handle multi-hard-register hard regs.
13388 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13390 * md.texi: Document use of '*' in insn pattern name.
13392 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13394 * calls.c (special_function_p): operator new may not be malloc-like.
13396 * gcse.c (dump_hash_table): Really fix error in last change.
13398 2000-03-02 Denis Chertykov <denisc@overta.ru>
13400 * avr.c (print_operand): Use print_operand_address instead of
13402 * avr/libgcc.S: Cleanup code.
13404 2000-03-02 Richard Henderson <rth@cygnus.com>
13406 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13408 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13410 * tree.h (TYPE_ALIGN_UNIT): New macro.
13412 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13414 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13416 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13418 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13420 (SET_CPP_PEDANTIC): New macro.
13421 * cpplib.c (do_include): Don't bother checking system_header_p.
13422 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13423 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13425 * function.h (struct expr_status): Add x_arg_space_so_far.
13426 (arg_space_so_far): New macro.
13427 * expr.c (init_expr): Initialize it.
13428 * calls.c (emit_call_1): Reset it.
13429 (compute_argument_block_size, expand_call): Use it.
13430 (expand_call, store_one_arg): Increment it.
13432 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13434 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13437 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13439 * cppfiles.c (cpp_read_file): New function.
13441 * cpphash.c (collect_expansion): Make sure to reset last_token
13442 to NORM when we hit a string. Handle trailing whitespace
13443 properly when the expansion is empty.
13444 (create_definition): Disable line commands while parsing the
13446 (dump_definition): If pfile->lineno == 0, output a line
13447 command ahead of the dump, and add a trailing newline.
13449 * cppinit.c (append_include_chain): Add fifth argument, which
13450 indicates whether or not system headers are C++ aware.
13451 (initialize_standard_includes): New function,
13452 broken out of read_and_prescan. Pass 'cxx_aware' value from
13453 the include_defaults_array on to append_include_chain.
13454 (dump_special_to_buffer): Const-ify char array.
13455 (builtin_array): Don't dump __BASE_FILE__.
13456 (cpp_start_read): Use cpp_read_file. Reorder code for
13457 clarity. Don't output line commands here for -D/-A/-U
13458 switches. Don't call deps_output for files included with
13459 -include or -imacros.
13461 * cpplib.c (do_define): Don't pay any attention to the second
13463 (cpp_expand_to_buffer): Disable line commands while scanning.
13464 (output_line_command): Work in the file buffer.
13465 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13466 Fix formatting of comments. Prototype cpp_read_file.
13468 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13470 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13471 reference the language-equivalent of sizetype.
13472 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13473 * fold-const.c (size_binop, size_diffop): Put back checks.
13474 * gcse.c (dump_hash_table): Fix minor error in last change.
13475 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13476 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13479 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13481 * calls.c (expand_call) Do not attempt to combine stack adjustments
13482 with inhibit_defer_pop set.
13484 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13486 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13487 the DECL_SIZE for a FIELD_DECL.
13489 2000-03-01 Bruce Korb <bkorb@gnu.org>
13491 * fixinc/inclhack.tpl: remove unused symlinks
13492 * fixinc/README: GCC Maintainer info
13493 * fixinc/inclhack.sh: regen
13494 * fixinc/fixincl.sh: regen
13496 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13498 * cpphash.c (collect_expansion): Trim trailing white space
13499 from macro definitions, but don't go past the last insertion
13502 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13504 * i386.md (mulqi3): New pattern.
13506 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13508 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13510 (struct cpp_reader): Add parsing_if_directive and
13511 parsing_define_directive flags.
13512 (struct cpp_options): Remove output_conditionals flag.
13513 (check_macro_name): Delete prototype.
13515 * cpphash.h (struct macrodef): Delete.
13516 (struct reflist): Separate from struct definition.
13517 (struct definition): Remove unused fields. Add column number.
13518 (create_definition): Returns a DEFINITION *. Takes a
13519 cpp_reader * and an int.
13521 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13522 (PEEKC): Copy defn from cpplib.c.
13523 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13525 (struct arglist): Simplify.
13526 (collect_expansion): Rewrite. Get tokens by calling
13527 cpp_get_token. Add more error checking.
13528 (collect_formal_parameters): New function, broken out of
13529 create_definition and reworked to use get_directive_token.
13530 (create_definition): All real work is now in collect_expansion
13531 and collect_formal_parameters. do_define handles finding the
13532 macro name. Return a DEFINITION, not a MACRODEF.
13533 (macroexpand): Replace bcopy with memcpy throughout. Replace
13534 character-at-a-time copy loop with memcpy and pointer increments.
13535 (compare-defs): d1->argnames / d2->argnames might be null.
13537 * cpplib.c (copy_rest_of_line): Delete function.
13538 (skip_rest_of_line): Do all the work ourselves.
13539 (skip_string): New function.
13540 (parse_string): Use skip_string.
13541 (get_macro_name): New function.
13542 (check_macro_name): Delete.
13543 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13544 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13545 (handle_directive): ICE if we're called on a macro buffer.
13546 (do_define): Determine macro name and type (funlike/objlike)
13547 here. Expunge all uses of MACRODEF.
13548 (cpp_push_buffer): Set line_base to NULL.
13549 (do_undef, read_line_number): Don't worry about getting a POP token.
13550 (eval_if_expression): Set/reset parsing_if_directive around
13551 cpp_parse_expr. Don't clear only_seen_white.
13552 (skip_if_group): Remove output_conditionals logic. Use
13554 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13555 tokens under appropriate conditions.
13556 (cpp_unassert): Call do_unassert not do_assert. Oops.
13558 * cppexp.c (parse_defined): New function, break out of
13560 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13561 ourselves, with cpp_defined.
13562 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13564 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13565 * gcc.dg/strpaste-2.c: New.
13567 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13569 * fold-const.c (size_binop): Don't asert inputs are the same and
13570 have TYPE_IS_SIZETYPE set.
13571 (size_diffop): Likewise.
13573 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13575 * dwarfout.c (output_block): Output abstract blocks even if they
13576 don't have TREE_ASM_WRITTEN set.
13578 * calls.c (emit_library_call): Check for null REG.
13580 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13582 * c-decl.c (current_function_decl): Move to toplev.c.
13583 (init_decl_processing): Don't add current_function_decl as a ggc
13585 * dbxout.c (dbxout_symbol): Change return type to int.
13586 (dbxout_symbol_location, dbxout_syms): Likewise.
13587 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13588 any locals. Use current_function_func_begin_label if set.
13589 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13590 * dwarf2out.c (dwarf2out_begin_prologue): Set
13591 current_function_func_begin_label.
13592 * final.c (final_start_function): Reset it.
13593 * toplev.c (current_function_decl): Define it here.
13594 (current_function_func_begin_label): New variable.
13595 (main): Add both as ggc roots.
13596 * tree.h (current_function_func_begin_label): Declare.
13598 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13600 * gcse.c: Cleanups throughout: mostly white-space, but also
13601 some minor rearrangement of code.
13603 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13605 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13606 returns a PARALLEL. Use emit_group_load and use_group_regs
13608 (emit_library_call_value): Similarly.
13610 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13611 * pa/quadlib.asm: Remove.
13612 * pa/quadlib.c: New file.
13614 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13615 * configure: Rebuilt.
13617 2000-02-29 Philip Blundell <pb@futuretv.com>
13619 * config/arm/conix-elf.h: New file.
13620 * configure.in (arm*-*-conix*): New configuration.
13621 * configure: Regenerate.
13623 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13625 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13626 don't have TREE_ASM_WRITTEN set.
13628 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13630 * Eliminate DECL_FIELD_SIZE.
13631 * builtins.c (built_in_class_names, built_in_names): New variables.
13632 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13633 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13634 DECL_SIZE, not DECL_FIELD_SIZE.
13635 * print-tree.c (print_node): Remove code that prints extra blank
13636 lines in some cases.
13637 Properly handle inline and builtin function cases.
13638 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13639 * tree.h (built_in_class_named, built_in_names): New declarations.
13640 (union tree_decl): Rename internal unions to u1 and u2 and change
13641 some of their components.
13642 Add new field built_in_class.
13643 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13644 Reflect above changes.
13645 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13646 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13647 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13648 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13650 2000-02-28 Dmitri Makarov <dim@windriver.com>
13652 * extend.texi: Document ARM's support for long/short calls.
13654 * invoke.texi: Document ARM's -mlong-calls command line switch.
13656 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13657 (arm_encode_call_attribute): Add prototype.
13658 (arm_set_default_type_attribute): Add prototype.
13659 (arm_strip_name_encoding): Add prototype.
13661 * config/arm/arm.c (arm_init_cumulative_args): replace
13662 initialisation og 'long_calls' field with initialisation of
13663 'call_cookie' field.
13664 (enum arm_pragma_enum): New enum.
13665 (arm_pragma_long_calls): New static variable.
13666 (arm_process_pragma): Also process "#pragma long_calls_off".
13667 (arm_valid_type_attribute_p): Accept short_call attribute.
13668 (arm_comp_type_attributes): Check long/short call attributes.
13669 (arm_encode_call_attribute): New function: Encode long_call
13670 or short_call attribute in function name.
13671 (arm_set_default_type_attributes): New function: Assign
13672 default attributes to newly defined type.
13673 (current_file_function_operand): New function: Return true if
13674 the symbol is a function which has already been compiled.
13675 (arm_is_longcall_p): New function: Return true if the
13676 indicated function should be called via a long call.
13677 (arm_get_strip_length): New function. Returns number of
13678 prefix characters to be stripped from a function's name.
13679 (arm_strip_name_encoding): New function. Strip prefix characters
13680 from a function's name.
13682 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13683 with 'call_cookie'.
13684 (SHORT_CALL_FAG_CHAR): Define.
13685 (LONG_CALL_FAG_CHAR): Define.
13686 (ENCODED_SHORT_CALL_ATTR_P): Define.
13687 (ENCODED_LONG_CALL_ATTR_P): Define.
13688 (ARM_NAME_ENCODING_LENGTHS): Define.
13689 (STRIP_NAME_ENCODING): Define.
13690 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13691 (ARM_ENCODE_CALL_TYPE): Define.
13692 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13693 (ARM_DECLARE_FUNCTION_SIZE): Define.
13694 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13696 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13697 if a long call is needed.
13698 (call_value): Ditto.
13699 (call_symbol): Ditto.
13701 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13702 ARM_DECLARE_FUNCTION_SIZE.
13704 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13705 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13706 (ARM_STRIP_NAME_ENCODING): Undefine.
13707 (STRIP_NAME_ENCODING): Undefine.
13708 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13709 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13710 (ASM_OUTPUT_COMMON): Ditto.
13711 (ASM_DECLARE_OBJECT_NAME): Ditto.
13713 * config/arm/pe.c (arm_dllexport_name_p): Check for
13715 (arm_dllimport_name_p): Ditto.
13716 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13717 (arm_mark_dllimport): Ditto.
13719 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13721 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13723 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13725 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13727 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13729 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13730 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13731 NO_BUILTIN_WCHAR_TYPE is not defined.
13732 (CPP_WCHAR_TYPE): Delete.
13733 * cccp.c (main): Don't change wchar_type if cplusplus.
13734 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13736 2000-02-28 Nick Clifton <nickc@cygnus.com>
13738 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13740 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13742 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13743 (ASM_WEAKEN_LABEL): Define.
13745 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13747 * expr.c (store_constructor): Do not emit USE.
13748 * rtl.h (stupid_life_analysis): Remove.
13750 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13752 * function.c (number_blocks): Reset next_block_index based on
13753 what debugging format is used, not what is defined.
13755 * lcm.c: Minor reformatting throughout.
13756 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13758 * toplev.c (rest_of_compilation): Account for time in
13759 optimize_mode_switching.
13761 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13762 if only marking labels.
13764 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13766 * calls.c (expand_call): Attempt to combine stack adjustments with
13767 pending stack adjustments.
13769 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13771 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13772 to the end of the function.
13774 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13776 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13778 * final.c (next_block_index): Remove.
13779 (max_block_depth): Likewise.
13780 (pending_blocks): Likewise.
13781 (init_final): Don't initialize them.
13782 (final_start_function): Don't set next_block_index. Set up
13784 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13785 * function.h (number_blocks): New function.
13786 * function.c (get_block_vector): New function.
13787 (identify_blocks): Use it.
13788 (reorder_blocks): Set NOTE_BLOCK.
13789 (number_blocks): New function.
13790 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13791 * tree.h (BLOCK_NUMBER): New macro.
13792 (tree_block): Add block_num field.
13793 * dbxout.c (next_block_number): Remove.
13794 (dbxout_init): Don't set it.
13795 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13796 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13798 * toplev.c (rest_of_compilation): Always call
13799 find_loop_tree_blocks. Fix indentation.
13800 * dwarf2out.c (next_block_number): Remove.
13801 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13802 to determine block numbers.
13803 (gen_inlined_subroutine_die): Likewise.
13804 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13805 (decls_for_scope): Don't increment next_block_number.
13806 * dwarfout.c (next_block_number): Remove.
13807 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13808 to determine block numbers.
13809 (output_inlined_subroutine_die): Likewise.
13810 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13811 (output_decls_for_scope): Don't increment next_block_number.
13812 * sdbout.c (next_block_number): Remove.
13813 (sdbout_block): Use BLOCK_NUMBER.
13814 (sdbout_begin_block): Simplify.
13815 * xcoffout.c (next_block_number): Remove.
13816 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13817 (xcoffout_begin_block): Don't set next_block_number.
13818 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13821 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13823 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13824 (expand_builtin_strcpy): Pass correct type to size_binop.
13825 (expand_builtin_strcmp): Likewise.
13826 Clean up conditional structure.
13827 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13828 (complete_array_type): Don't use size_binop for MAXINDEX.
13829 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13830 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13831 (c_alignof): Use size_one_node.
13832 (build_unary_op): Pass arg of proper type to size_binop.
13833 (really_start_incremental_init, push_init_level): Use sizetype for
13834 constructor{,_bit,_unfilled}_index.
13835 (pop_init_label, output_init_element): Likewise.
13836 (output_pending_init_elements, process_init_element): Likewise.
13837 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13838 * expr.c (store_expr): Use size_int.
13839 (store_constructor): Use proper types for size_binop args.
13840 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13841 (expand_expr_unaligned): Likewise.
13842 (string_contant): Return object of sizetype.
13843 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13844 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13845 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13846 * fold-const.c (int_const_binop): Refine when size_int is called.
13847 (fold_convert): Likewise.
13848 (size_int_wide): Rework to take KIND as arg, only take low order
13849 bits, handle new sizetype_tab datatype, and chain entries in
13851 (size_int_type_wide): New function.
13852 (size_binop): Validate types of arguments.
13853 (ssize_binop): Deleted.
13854 (size_diffop): New function.
13855 (extract_muldiv): Only fold division into multiplication for sizetypes.
13856 * function.c (assign_parms): Use size_diffop and make sure
13857 VAR field is of ssizetype; also pass proper type to size_binop.
13858 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13859 (round_down): Deleted from here.
13860 * store-layout.c (sizetype_tab): Now an array.
13861 (sizetype_set, early_root_list): New variables.
13862 (variable_size): Use size_one_node.
13863 (round_up): Pass proper type to size_binop.
13864 (round_down): Moved to here and corrected as above.
13865 (layout_record): Pass proper arg types to size_binop.
13866 (layout_type): Likewise.
13867 If sizetype_set is zero, record the type just laid out.
13868 (make_unsigned_type): Don't call set_sizetype;
13869 (make_signed_type): Likewise; also, call fixup_signed_type.
13870 (initialize_sizetypes): New function.
13871 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13872 set name of bitsizetype to "bit_size_type".
13873 Fix up type of sizes of all types made before call.
13874 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13875 * tree.c (fix_sizetype): Deleted.
13876 (build_common_tree_nodes): Call initialize_sizetypes.
13877 (build_common_tree_nodes_2): Don't call fix_sizetype.
13878 * tree.h (TYPE_IS_SIZETYPE): New macro.
13879 (initialize_sizetype): New declaration.
13880 (enum size_type_kind): New type.
13881 (struct sizetype_tab): Deleted.
13882 (sizetype_tab): Now array; adjust sizetype macros.
13883 (size_diffop, size_int_type_wide): New functions.
13884 (size_int_wide): Change number of args and type; access macros changed.
13885 (ssize_int, sbitsize_int): New macros.
13886 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13887 (ROUND_TYPE_SIZE_UNIT): New macro.
13889 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13891 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13893 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13895 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13896 Mark as possibly unused.
13898 * cse.c (cse_insn): Delete dead code involving tablejump.
13899 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13901 * Makefile.in (libcpp.a): Start by deleting it.
13903 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13905 * cpplib.h (enum file_change_code): Added rename_file.
13906 * cpplib.c (do_line): If a filename is given, set file_change to
13908 (output_line_command): If file_change is rename_file, always
13909 output a # directive with the file name.
13911 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13913 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13915 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13916 when copying a PARM_DECL or RESULT_DECL.
13918 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13920 * fix-header.c (recognized_function): Also fix prototypes for
13921 functions taking "void".
13923 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13925 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13926 looking at reg_reloaded_contents.
13928 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13930 * Makefile.in (STMP_FIXINC): New toggle.
13931 (LIBGCC2_DEPS): Delete all references.
13932 (stmp-headers): Delete target. All references either deleted
13933 or changed to stmp-int-headers.
13934 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13935 (LIBCPP_OBJS): Take out cppalloc.o.
13936 (cppalloc.o): Delete target.
13937 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13938 (gen-protos, fix-header): Link with libiberty.a.
13939 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13942 * configure.in: Remove refs to strerror.
13943 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13944 * system.h: Take out strerror stanza.
13946 * cpperror.c (my_strerror): Delete function.
13947 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13948 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13949 * cppalloc.c: Delete file.
13950 * gen-protos.c: Don't provide xrealloc.
13952 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13953 xstrerror throughout.
13955 2000-02-26 Bruce Korb <bkorb@gnu.org>
13957 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13958 match for DOS headers, too.
13959 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13961 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13963 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13964 is right for most ELF targets.
13965 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13966 Let the default file use %U properly.
13967 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13970 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13973 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13975 * toplev.c (documented_lang_options): Correct spelling error.
13976 (decode_d_option, decode_f_option, main): Likewise.
13978 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13980 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13981 to tell assembler it is permitted to expand large constants.
13983 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13985 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13986 (aux_info_suffix): Use.
13987 (SAVE_SUFFIX): New macro.
13988 (save_suffix): Use.
13989 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13990 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13991 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13993 * invoke.texi (Running Protoize): Update documentation.
13995 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13997 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
13999 2000-02-25 John Wehle (john@feith.com)
14001 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14003 2000-02-25 Anthony Green <green@cygnus.com>
14005 * toplev.c (rest_of_compilation): Rebuild jump labels if
14006 combine_instructions has created a new direct jump.
14007 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14009 (combine_instructions): Call try_combine with new argument.
14010 Return non-null value when new direct jump instruction is created.
14011 * rtl.h: combine_instructions returns an int.
14013 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14015 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14016 jump when changing a computed jump into a jump to a known
14019 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14021 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14022 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14024 * i386.md (define_expand "clrstrsi"): Fix typo.
14026 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14028 * rtl.texi: Fix typo.
14030 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14032 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14033 UNITS_PER_WORD. Change caller initial_elimination_offset.
14034 (rounded_frame_size): Take into account that argument pushed has
14035 changed. Fix TARGET_ALIGN_DOUBLE problem.
14037 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14039 * haifa-sched.c (schedule_block): Explain the real reason
14040 we delete REG_SAVE_NOTEs on the first insn of a block.
14041 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14043 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14045 * input.h (push_srcloc): New function.
14046 (pop_srcloc): Likewise.
14047 * toplev.c (push_srcloc): Define it.
14048 (pop_srcloc): Likewise.
14050 2000-02-24 Richard Henderson <rth@cygnus.com>
14052 * flow.c (life_analysis): When collecting reg info, clear
14055 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14057 Fix bug exposed by reload.c no longer rounding the frame
14058 size to BIGGEST_ALIGNMENT:
14059 * sh.c (rounded_frame_size): New function.
14060 (sh_expand_prologue, sh_expand_epilogue): Use it.
14061 (initial_elimination_offset): Likewise.
14063 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14065 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14066 * sh-protos.h (sh_need_epilogue): Declare.
14067 * sh.c (sh_need_epilogue_known): New static variable.
14068 (sh_need_epilogue): New function.
14069 (function_epilogue): Clear need_epilogue_known.
14070 * sh.md (return): Split into expander / insn pattern.
14071 Make the expander conditional on ! sh_need_epilogue ().
14073 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14075 * machmode.h (get_mode_alignment): Declare.
14076 (GET_MODE_ALIGNMENT): Call it.
14077 * stor-layout.c (get_mode_alignment): New function. Make
14078 sure alignment is always power of 2.
14080 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14082 * i386.h: Remove useless definition of "I386" and misleading
14085 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14087 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14088 under which TREE_PERMANENT will be set.
14089 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14090 build1): Use TREE_SET_PERMANENT.
14091 * print-tree.c (print_node): Don't report value of
14092 TREE_PERMANENT if ggc_p is true.
14094 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14095 decide whether to give a type a new alias set.
14096 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14097 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14098 of value of 'obstack'.
14101 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14103 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14105 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14107 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14108 * cpplib.c (cpp_get_token): Produce them.
14109 * cppexp.c (cpp_lex): Handle them.
14111 2000-02-23 Nick Clifton <nickc@cygnus.com>
14113 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14114 comment tests on type attributes.
14116 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14118 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14119 conform to documentation.
14120 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14121 to check for special cases.
14122 * sh-protos.h (sh_loop_align): Declare.
14123 * sh.c (sh_loop_align): Define.
14125 2000-02-22 Andrew Haley <aph@cygnus.com>
14127 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14128 (SIZE_TYPE): Is 32 bits when using -mgp32.
14129 (PTRDIFF_TYPE): Ditto.
14131 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14133 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14135 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14137 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14138 BIGGEST_FIELD_ALIGNMENT a constant.
14140 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14142 * dwarf2out.c (output_line_info): Put the marker for the end of
14143 the line number info at the actual end.
14144 (gen_struct_or_union_type_die): Use decl_function_context
14145 to check for local classes.
14146 * dwarfout.c (output_type): Likewise.
14148 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14150 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14151 for arguments with a mode, but no type.
14152 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14153 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14154 * pa/long_double.h: New file.
14155 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14156 both have 128bit wide long doubles.
14157 * configure: Rebuilt.
14159 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14161 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14163 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14164 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14165 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14167 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14169 * integrate.c (compare_blocks, find_block): Likewise.
14171 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14173 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14175 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14176 expand_asm_operands): Likewise.
14178 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14180 * predict.c (estimate_probability): Added the pointer heuristic to
14181 the collection of static branch predictors.
14183 2000-02-21 Catherine Moore <clm@cygnus.com>
14185 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14186 * invoke.texi (-mfix7000): Document.
14188 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14190 * diagnostic.c (init_output_buffer): Make it possible to output at
14191 least 32 characters if we're given a too long prefix.
14193 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14195 * varasm.c (initializer_constant_valid_p): Call
14196 lang_expand_constant to simplify the constant.
14198 2000-02-20 Bruce Korb <bkorb@gnu.org>
14200 * fixinc/inclhack.def(stdio_va_list):
14201 typedef needs to be disabled.
14202 * fixinc/inclhack.sh: regen
14203 * fixinc/fixincl.x: regen
14205 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14207 * print-rtl.c (print_rtx): Don't print addresses when
14208 flag_dump_unnumbered.
14210 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14212 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14214 (sparc_va_arg, sparc_flat_output_function_prologue,
14215 sparc_flat_output_function_epilogue): Cast value to unsigned in
14217 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14219 * sparc.md: Add default case in switch.
14221 2000-02-19 Richard Henderson <rth@cygnus.com>
14223 * c-typeck.c (add_pending_init): Don't abort for multiple
14224 fields at the same offset.
14225 (pending_init_member): Test the correct member.
14227 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14229 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14231 (start_catch_handler) : Same.
14233 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14235 * Makefile.in: Have flow.o depend on $(EXPR_H)
14237 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14239 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14240 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14241 (finish_decl): Remove -Wlarger-than code from here.
14242 * flags.h (id_clash_len): Now int.
14243 (larger_than_size): Now HOST_WIDE_INT.
14244 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14245 Clean up checking to see if in table.
14246 (make_bit_field_ref): Remove extra parm to bitsize_int.
14247 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14248 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14249 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14250 and for computing size of decl.
14251 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14252 Move -Wlarger-than code to here.
14253 (layout_record): Remove extra arg to bitsize_int.
14254 Set TYPE_BINFO_SIZE_UNIT.
14255 (layout_union): Remove extra arg to bitsize_int.
14256 Use proper type for size of QUAL_UNION.
14257 (layout_type): Remove extra arg to bitsize_int.
14258 * toplev.c (id_clash_len): Now int.
14259 (larger_than_size): Now HOST_WIDE_INT.
14260 (decode_W_option): Clean up id-clash and larger-than- cases.
14261 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14262 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14263 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14264 (struct tree_decl): New field size_unit.
14265 (size_int_wide): No HIGH operand; NUMBER is now signed.
14266 (size_int_2): Deleted.
14267 (size_int, bitsize_int): Don't use it and rework args.
14268 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14270 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14272 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14274 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14276 * invoke.texi (Warning Options): Add an explanation of why
14277 you might want the -Wfloat-equal flag.
14279 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14281 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14282 * cppinit.c (new_pending_define): Add cast to avoid warning.
14283 * expmed.c (extract_bit_field): Likewise.
14284 * flow.c (enum reorder_skip_type): New type.
14285 (skip_insns_between_blcok): New it.
14286 Rework to avoid warning about possibly undefined variable.
14287 * function.c (assign_parms): Make thisparm_boundary unsigned.
14288 * genrecog.c (write_switch): Cast XWINT result to int.
14289 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14290 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14291 one for MIPS and one for Alpha.
14292 (get_tag, copy_object): Add casts to avoid warnings.
14293 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14294 * reload.c (find_reloads): Make TYPE enum reload_type.
14295 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14296 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14297 * varasm.c (compare_constant_1): Add cast to avoid warning.
14298 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14300 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14301 Cast switch operand of size to int.
14302 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14303 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14306 2000-02-18 Nick Clifton <nickc@cygnus.com>
14308 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14309 anything for an alignment of zero.
14311 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14312 anything for an alignment of zero.
14314 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14316 * gcc.texi (Bug Reporting): Refer to bugs.html.
14317 (Bug Lists): Likewise.
14318 * system.h (GCCBUGURL): New preprocessor define.
14319 * rtl.c (fancy_abort): Use it.
14320 * gcc.c (main): Likewise.
14322 2000-02-18 Richard Henderson <rth@cygnus.com>
14324 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14325 (life_analysis_1): Subsume into ...
14326 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14327 Use update_life_info for the relaxation.
14328 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14329 entry and regs_live_at_setjmp.
14330 (set_noop_p): Simplify.
14331 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14332 (record_volatile_insns): Split into ...
14333 (delete_noop_moves): ... here,
14334 (notice_stack_pointer_modification): ... here,
14335 (insn_dead_p): ... and here.
14336 (propagate_block): Don't query INSN_VOLATILE.
14337 (mark_used_regs): Mind !PROP_REG_INFO.
14338 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14339 not in life_analysis.
14341 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14343 * loop.c (canonicalize_condition): New function,
14344 broken out of get_condition.
14345 (get_condition): Use it.
14346 * expr.h (canonicalize_condition): Prototype it.
14348 * tree.h (tree_int_cst_msb): Declare.
14349 * tree.c (tree_int_cst_msb): New function.
14351 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14353 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14356 * invoke.texi (-fmessage-length=n): Document.
14358 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14360 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14362 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14364 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14365 after the prologue.
14367 2000-02-17 Nick Clifton <nickc@cygnus.com>
14369 * config/arm/thumb.c: Replace includes of system headers with
14370 #include "system.h".
14372 2000-02-16 Richard Henderson <rth@cygnus.com>
14374 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14375 Add crtbeginS.o and crtendS.o.
14376 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14377 (ENDFILE_SPEC): Use crtendS.o.
14378 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14380 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14381 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14382 shared and present.
14383 (__dso_handle): New variable.
14384 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14385 bias to __CTOR_END__.
14387 2000-02-16 Richard Henderson <rth@cygnus.com>
14389 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14391 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14393 * longlong.h (__clz_tab): Declare as static to match definition.
14395 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14397 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14398 (XREF_FILE_NAME): Define.
14400 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14401 (EH_FRAME_SECTION_ASM_OP): Define.
14402 (IDENT_ASM_OP): Define.
14403 (TEXT_SECTION_ASM_OP): Define.
14404 (CPP_SPEC): Define.
14405 (CTORS_SECTION_ASM_OP): Define.
14406 (CTOR_SECTION_FUNCTION): Use it.
14407 (DTORS_SECTION_ASM_OP): Define.
14408 (DTOR_SECTION_FUNCTION): Use it.
14410 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14412 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14415 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14416 debug_bb_n): New functions.
14417 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14418 * basic-block.h: Prototype new functions.
14420 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14422 * configure.in: Add support for avr target.
14423 * configure: Rebuilt.
14425 * invoke.texi: Add AVR invocation docs.
14426 * install.texi: Add information about AVR.
14427 * md.texi: Add AVR constraint letters description.
14428 * extend.texi: Add description for AVR specific attributes.
14430 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14432 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14434 2000-02-16 Nick Clifton <nickc@cygnus.com>
14436 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14437 (make_insn_raw): Move RTL check here.
14439 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14441 * version.c: Include gansidecl.h and version.h.
14443 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14445 * configure.in (gcc_version): When setting, narrow search to
14446 lines containing `version_string'.
14448 * Makefile.in (mainversion): Likewise.
14449 (GCC_H): New variable.
14450 (gcc.h): Delete target.
14451 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14452 (version.o): Depend on version.h.
14453 (dbxout.o): Don't depend on gcc.h.
14455 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14456 Michael Meissner <meissner@cygnus.com>
14458 * md.texi (Simple Constraints): Add item about whitespace.
14459 * genoutput.c (strip_whitespace): New.
14460 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14461 strip_whitespace for constraints.
14462 Test pointer using NULL, not 0.
14464 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14466 * cpplib.c (do_line): Pedwarn for #line > 32767.
14468 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14470 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14472 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14473 to default cpp spec.
14474 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14475 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14478 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14481 2000-02-15 Denis Chertykov <denisc@overta.ru>
14483 * configure.in: Add support for avr target.
14485 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14487 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14488 (sh_addr_diff_vec_mode): Don't declare.
14489 * sh.c (sh_addr_diff_vec_mode): Delete.
14491 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14493 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14495 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14497 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14498 (smulsi3_highpart_i): Name.
14499 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14500 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14501 (smulsi3_highpart, umulsi3_highpart): Likewise.
14503 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14504 correctly independent of endianness.
14505 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14506 confuse the optimizers.
14507 (mulsidi3+1, umulsidi3+1): New define_split.
14509 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14511 * config/sh/sh.md: Guard insn splits against illegal registers.
14512 * config/sh/sh.h: Correct comment about macros.
14514 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14515 Andrew MacLeod <amacleod@cygnus.com>
14517 * Makefile.in (lcm.o): Depend on insn-attr.h.
14518 * basic-block.h (optimize_mode_switching): Declare.
14519 * lcm.c (tm_p.h, insn-attr.h): #include.
14520 (seginfo, bb_info): New structs.
14521 (antic, transp, comp, delete, insert) : New file-scope static variables.
14522 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14523 (reg_becomes_live, optimize_mode_switching): Likewise.
14524 * tm.texi: Add description of mode switching macros.
14525 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14527 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14528 (fldi_ok, fpscr_set_from_mem): New prototypes.
14529 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14530 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14531 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14532 (sh_flag_remove_dead_before_cse): Remove declaration.
14533 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14534 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14535 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14536 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14537 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14538 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14539 (fldi_ok): New function.
14540 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14541 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14542 (emit_df_insn): Likewise.
14543 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14544 (sh_flag_remove_dead_before_cse): Delete.
14545 (get_free_reg, fpscr_set_from_mem): New functions.
14546 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14547 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14549 2000-02-15 Loren Rittle <ljrittle@acm.org>
14551 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14553 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14555 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14556 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14558 * cccp.c: Include version.h and/or don't declare `version_string'.
14559 * collect2.c: Likewise.
14560 * alpha.c: Likewise.
14561 * arm/aof.h: Likewise.
14562 * arm/coff.h: Likewise.
14563 * arm/elf.h: Likewise.
14564 * arm/pe.h: Likewise.
14565 * arm/tcoff.h: Likewise.
14566 * arm/telf.h: Likewise.
14567 * arm/tpe.h: Likewise.
14568 * arm/vxarm.h: Likewise.
14569 * convex/convex.c: Likewise.
14570 * i386/dgux.c: Likewise.
14571 * i386/sun386.h: Likewise.
14572 * m88k/m88k.c: Likewise.
14573 * mcore/mcore-pe.h: Likewise.
14574 * mips/mips.h: Likewise.
14575 * romp/romp.h: Likewise.
14576 * sh/sh.c: Likewise.
14577 * cpphash.c: Likewise.
14578 * cppinit.c: Likewise.
14579 * dwarf2out.c: Likewise.
14580 * dwarfout.c: Likewise.
14583 * mips-tfile.c: Likewise.
14584 * protoize.c: Likewise.
14585 * toplev.c: Likewise.
14586 * tree.h: Likewise.
14588 * version.c (version_string): Constify a char*.
14590 * version.h: New file.
14592 2000-02-14 Nick Clifton <nickc@cygnus.com>
14594 * configure.in: Add mcore-elf and mcore-pe targets.
14595 * configure: Regenerate.
14597 * NEWS: Add note that MCore port has been contributed.
14599 * invoke.texi: Document command line switches for MCore port.
14600 * install.texi: Add MCore to list of supported targets.
14602 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14604 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14605 then we will need to import the frame handling functions.
14606 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14607 to import the frames themselves.
14609 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14610 Jason Eckhardt <jle@cygnus.com>
14612 * basic_block.h: Added prototype for reorder_basic_blocks.
14613 * toplev.c: Changes to add -freorder-blocks and graph dump after
14614 block reordering is done.
14615 * flow.c (reorder_block_def): New structure for use during block
14617 (REORDER_BLOCK_*): New macros to access members of above structure.
14618 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14619 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14620 functions for block reordering.
14622 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14624 * gcc.texi (Passes): Fix typo.
14625 * md.texi (Standard Names): Ditto.
14626 * tm.texi (Storage Layout): Ditto.
14628 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14630 * cpplib.c (do_define): Only free the old definition if it
14633 2000-02-13 Neil Booth <NeilB@earthling.net>
14635 * cppfiles.c (read_and_prescan): When emitting deferred
14636 newlines, test speccase[] again instead of checking each
14637 possible whitespace character in turn. When we encounter \r,
14638 look behind for \n first, then ahead.
14640 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14642 * cse.c (cse_altered): New internal flag.
14643 (cse_insn): Set it if we changed an insn.
14644 (cse_main): Clear cse_altered before each basic block.
14645 Only garbage collect if cse_altered is true afterward.
14647 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14649 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14651 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14653 * combine.c (simplify_comparison): Fix typo.
14655 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14657 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14660 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14662 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14663 previously inserted node instead of root node. Caller changed.
14665 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14667 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14669 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14671 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14672 __dereg_frame_dtor): Add prototype argument.
14674 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14676 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14678 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14680 * gthr-vxworks.h (__gthread_once): Likewise.
14682 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14684 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14686 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14687 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14688 stack pointer in functions w/o saved registers, output LEAVE more often
14689 on TARGET_USE_LEAVE machines.
14691 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14693 * config/arm/arm.c (arm_init_cumulative_args); New function:
14694 Initlaise the CUMULATIE_ARGS strcuture for a function
14696 (arm_function_arg): New function: Determine where to place a
14697 function's argument. Also handles deciding the function's
14699 (current_file_function_operand): New function: Return true if
14700 the symbol is a function which has already been compiled.
14701 (arm_is_long_call_p): New function: Return true if the
14702 indicated function should be called via a long call.
14703 (arm_valid_type_attribute_p): New function: Return true if the
14704 attribute is a valid, arm specific, attribute.
14705 (arm_comp_type_attribute): New function: Return true if the
14706 two types have compatable, arm specific, attributes.
14708 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14710 (FUNCTION_ARG): Redefine to call arm_function_arg.
14711 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14713 (INIT_CUMULATIVE_ARGS): Redefine to call
14714 arm_init_cumulative_args.
14715 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14717 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14719 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14721 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14722 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14723 (COMP_TYPE_ATTRIBUTES): Define.
14725 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14726 if a long call is needed.
14727 (call_value): Call arm_is_long_call_p to decide if a long call
14729 (call_symbol): Call arm_is_long_call_p to decide if a long call
14732 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14734 2000-02-11 Denis Chertykov <denisc@overta.ru>
14736 * README.AVR: New file with information about the avr ports.
14737 * config/avr: New directory with avr port files.
14739 2000-02-11 Andreas Jaeger <aj@suse.de>
14741 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14743 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14745 * cpphash.c: Fix formatting, update commentary.
14746 (dump_definition): Take three separate arguments instead of a
14747 MACRODEF structure argument.
14748 * cpphash.h: Update prototype of dump_definition.
14749 * cppinit.c (cpp_finish): Update call of dump_definition.
14751 * cpplib.c (do_define): Always create new hash entry with
14752 T_MACRO type. Remove redundant check for redefinition of
14753 poisoned identifier. Update call of dump_definition.
14754 (do_undef): Don't call check_macro_name. Rename sym_length to
14756 (do_error, do_warning): Don't use copy_rest_of_line or
14758 (do_warning): Don't use pedwarn for the actual warning,
14759 only the notice about its not being in the standard. (Fixes
14760 bug with #warning in system headers.)
14761 (do_ident): Stricter argument checking - accept only a single
14762 string after #ident. Also, macro-expand the line.
14763 (do_xifdef): Use cpp_defined. De-obfuscate.
14765 (do_pragma): Split out specific pragma handling to separate
14766 functions. Use get_directive_token. Update commentary. Do
14767 not pass on #pragma once or #pragma poison to the front end.
14768 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14769 do_pragma_default): New.
14771 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14773 * jump.c (jump_optimize_1): The first operand in a relational
14774 can be a CONST_INT.
14775 * optabs.c (emit_conditional_move): Handle relationals which
14776 have a known true/false result.
14778 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14780 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14781 a RETURN insn into a block which already ends with a jump.
14783 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14785 * haifa-sched.c (BUF_LEN): Increase a lot.
14787 2000-02-11 Nick Clifton <nickc@cygnus.com>
14789 * configure.in: Add tm_p_file specification for thumb targets.
14790 * configure: Regenerate.
14792 * config/arm/thumb-protos.h: New file: Prototypes for exported
14793 functions defined in thumb.c.
14795 2000-02-11 Robert Lipe <robertl@sco.com>
14797 * Makefile.in (bootstrap-lean): Remove additional files.
14798 (bootstrap2-lean): Likewise.
14799 (VOL_FILES): List of files for above.
14801 2000-02-11 Nathan Sidwell <nathan@acm.org>
14803 * cpphash.c (special_symbol): Remove spurious argument to
14806 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14808 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14810 * configure: Rebuilt.
14812 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14814 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14816 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14818 * pa.c, pa.h: Remove trigraph sequences within comments.
14820 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14822 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14824 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14826 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14828 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14830 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14832 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14834 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14835 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14836 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14837 (ASM_FILE_END): Use c4x_file_end.
14838 * config/c4x/c4x.c (c4x_global_label): New function.
14839 (c4x_external_ref, c4x_file_end): Likewise.
14841 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14842 (c4x_external_ref, c4x_end_file): Likewise.
14844 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14846 * cppexp.c: Don't include cpphash.h.
14847 (parse_charconst, cpp_lex): Use cpp_defined.
14848 (cpp_lex): Use get_directive_token throughout. Remove
14849 unnecessary cases from switch. Move assertion-handling code
14850 down to OTHER case.
14851 (cpp_parse_expr): If we see '+' or '-', check the context to
14852 determine if they are unary or binary operators. Streamline
14853 the jumps a bit. Do not call skip_rest_of_line.
14855 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14856 static. Export get_directive_token. Update commentary.
14857 (cpp_defined): New function.
14858 (do_define): Remove reference to T_PCSTRING. Call
14859 free_definition to release memory for old definition, when
14860 redefining a macro.
14861 (eval_if_expression): Set only_seen_white to 0 before calling
14862 cpp_parse_expr. Call skip_rest_of_line after it returns.
14863 (cpp_read_check_assertion): Don't preserve a pointer into the
14864 token buffer across a call to cpp_get_token.
14866 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14867 * cppfiles.c (redundant_include_p): Use cpp_defined.
14868 * cpphash.c (free_definition): New function.
14869 (delete_macro): Use it. Update commentary.
14870 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14872 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14873 from enum node_type. Prototype cpp_defined and get_directive_token.
14874 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14876 * fix-header.c (check_macro_names): Use cpp_defined.
14877 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14878 the options structure.
14880 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14882 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14884 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14886 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14887 rather than die->die_tag.
14889 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14891 * combine.c (make_extraction, force_to_mode): Avoid warning on
14892 mixed-signedness conditionals.
14893 (make_field_assignment, nonzero_bits): Likewise.
14894 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14895 (store_split_bit_field, extract_split_bit_field): Likewise.
14896 (extract_fixed_bit_field, store_bit_field,
14897 * expr.c: Change alignment to be unsigned everywhere.
14898 (move_by_pieces, store_constructor_field, store_constructor):
14899 Alignment parm is unsigned.
14900 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14901 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14902 (do_compare_rtx_and_jump): Likewise.
14903 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14904 Compare align with GET_MODE_ALIGNMENT.
14905 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14906 (get_inner_reference): Likewise.
14907 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14908 (expand_assignment): Local vars for alignment now unsigned.
14909 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14910 (do_compare_and_jump): Likewise.
14911 (store_field): Call new function expr_align.
14912 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14913 Alignment arg now unsigned.
14914 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14915 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14916 (extract_bit_field): Likewise.
14917 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14918 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14919 (get_best_mode): Alignment arg is unsigned.
14920 * rtl.h (move_by_pieces): Likewise.
14921 * store-layout.c (maximum_field_alignment, set_alignment):
14923 (layout_decl): Alignment arg is now unsigned.
14924 Remove unneeded casts.
14925 (layout_record, layout_union, layout_type): Remove unneeded casts.
14926 Local alignment variables now unsigned.
14927 (get_best_mode): Alignment arg now unsigned.
14928 * tree.c (expr_align): New function.
14929 * tree.h (expr_align): Likewise.
14930 (maximum_field_alignment, set_alignment): Now unsigned.
14931 (get_inner_reference): Alignment argument is now pointer to unsigned.
14932 * varasm.c (assemble_variable): Add cast to eliminate warning.
14934 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14936 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14937 then store directly into op0.
14939 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14940 the CALL_INSN, and emit the note immediately after it.
14942 2000-02-10 Nick Clifton <nickc@cygnus.com>
14944 * config/arm/thumb.md (epilogue): Include a (return) in the
14945 generated insn, and emit it using emit_jump_insn not
14948 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14950 * function.c (assign_temp): Change zero-sized arrays to size 1.
14951 * integrate.c (expand_inline_function): Do not update
14952 stack_alignment_needed
14953 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14954 add some sanity checking, remove optimization for function with
14957 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14959 * flow.c (mark_regs_live_at_end): Delete unused variables.
14961 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14963 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14964 in macro FRAME_GROWS_DOWNWARD.
14966 * stmt.c (expand_end_bindings): Delete unused variable.
14968 * unroll.c (iteration_info): Mark parameter `loop' with
14971 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14973 * fixinc/server.c (load_data): Return NULL if the marker line is
14975 (run_shell): If load_data returns NULL, retry the command once, in
14978 * configure: Rebuilt.
14980 2000-02-09 Bruce Korb <bkorb@gnu.org>
14982 * gcc/fixincludes: ** DELETED **
14983 * gcc/fixcpp: ** DELETED **
14984 * gcc/fixinc-nt.sed: ** DELETED **
14985 * gcc/just-fixinc: ** DELETED **
14986 * gcc/Makefile.in: Removed out-dated commentary
14987 * gcc/configure.in: Removed fast-fixincludes disablement.
14988 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14990 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14991 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14994 2000-02-09 Richard Henderson <rth@cygnus.com>
14996 * jump.c (delete_insn): Don't delete user labels at -O0.
14998 2000-02-09 Robert Lipe <robertl@sco.com>
15000 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15001 Don't link with HOST_LIBS.
15003 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15005 * configure.in: Correct --help text for --with-dwarf2.
15006 Put tm-dwarf2.h after other tm files, if it's requested.
15007 * configure: Regenerate.
15008 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15011 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15013 * cpplib.h: Provide HASHNODE typedef and forward decl of
15014 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15015 DEFINITION, struct hashnode, struct macrodef, struct
15016 definition, scan_decls prototype, default defn of
15017 INCLUDE_LEN_FUDGE moved elsewhere.
15019 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15020 definition, and struct hashnode moved here. Remove the unused
15021 'predefined' field from struct definition. Replace the 'args'
15022 union with its sole member. All users updated (cpphash.c).
15023 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15024 multiple include guard.
15026 * cpphash.c (hashf): Make static; use better algorithm; drop
15027 HASHSIZE parameter; return an unsigned int.
15028 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15029 used. Calculate HASHSIZE modulus here.
15030 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15032 (create_definition): Drop PREDEFINITION parameter.
15033 * cpplib.c (do_define): Don't calculate a hash value here.
15034 Don't pass (keyword == NULL) to create_definition.
15036 * scan.h: Prototype scan_decls here.
15037 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15038 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15039 callers of cpp_lookup and cpp_install updated.
15041 * cpphash.c (macarg): Hoist all the flag diddling out of the
15043 (macroexpand): ... and out of the loop that calls macarg.
15044 Skip over the initial paren before macro arguments with
15045 cpp_get_non_space_token; point may be some distance before
15046 that paren. Abort if it's not there.
15048 * cpplib.c (parse_clear_mark): Delete function.
15049 (parse_set_mark, parse_goto_mark): Make static.
15050 (ACTIVE_MARK_P): New macro.
15051 (skip_block_comment, skip_line_comment): Do not bump the line
15052 if ACTIVE_MARK_P is true.
15053 (cpp_pop_buffer): The buffer to be popped may not have an
15055 (cpp_get_token): When looking for the initial paren before
15056 macro arguments, only set a mark in a file buffer, Always
15057 return to that mark before proceeding to call macroexpand or
15058 return a NAME token.
15060 * cpplib.h: Remove prototypes of parse_set_mark,
15061 parse_clear_mark, parse_goto_mark.
15062 (struct cpp_options): Rename 'put_out_comments' to
15063 'discard_comments' and invert its sense.
15064 * cppinit.c, cpphash.c, cpplib.c: All users of
15065 put_out_comments changed to use discard_comments, with
15068 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15070 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15071 the edge from a block that both jumps and falls through to the
15074 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15076 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15077 constant source address is legitimate.
15079 2000-02-09 Philip Blundell <pb@futuretv.com>
15081 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15084 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15086 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15088 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15090 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15091 ends with a newline and a NUL. Don't be so clever manipulating
15094 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15096 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15097 not to BIGGEST_ALIGNMENT.
15099 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15101 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15102 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15103 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15104 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15105 * frame.c (execute_cfa_insn): Handle
15106 DW_CFA_GNU_negative_offset_extended.
15108 2000-02-08 Richard Henderson <rth@cygnus.com>
15110 * flow.c (tidy_fallthru_edges): Split out from ...
15111 (delete_unreachable_blocks): ... here.
15112 (find_basic_blocks): Use it.
15114 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15116 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15118 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15120 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15121 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15122 (fix-header.o): Don't depend on cpphash.h.
15124 * scan.c (hashstr): New function.
15125 * scan.h: Prototype it.
15126 * fix-header.c: Don't include cpphash.h. Use hashstr.
15127 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15128 hashstr. Report hash table statistics. Add private
15129 definition of xrealloc.
15131 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15133 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15135 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15137 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15138 jumps with returns unless they are jumps to the fallthru block.
15140 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15142 * i386.md (addqi3_cc): Fix contraints.
15144 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15146 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15148 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15150 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15151 carriage return after a macro name.
15153 2000-02-07 Fred Fish <fnf@be.com>
15155 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15156 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15158 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15160 * cppfiles.c (deps_output): Count spacers in deps_column.
15162 2000-02-07 Neil Booth <NeilB@earthling.net>
15164 * cppinit.c (initialize_dependency_output): If there is no
15165 suffix, don't try to look for known suffixes. Use strrchr.
15166 (cpp_start_read): Remove duplicate initialization.
15168 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15170 * calls.c (compute_argument_block_size): New argument
15171 preferred_stack_boundary.
15172 (expand_call): update cfun->preferred_stack_boundary, update call of
15173 compute_argument_block_size
15174 (emit_library_call): Increate cfun->preferred_stack_boundary
15175 to PREFERRED_STACK_BOUNDARY
15176 (emit_library_call_value): Likewise.
15177 * explow.c (allocate_dynamic_stack_spave): Likewise.
15178 * function.c (prepare_function_start): Set
15179 cfun->preferred_stack_boundary
15180 * function.h (struct function): Add preferred_stack_boundary field.
15181 * integrate.c (expand_inline_function): Update
15182 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15183 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15184 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15186 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15188 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15189 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15190 cpp_pedwarn, cpp_pedwarn_with_line,
15191 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15192 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15193 v_cpp_error_with_line, v_cpp_warning_with_line,
15194 cpp_message_from_errno, cpp_perror_with_name): Delete.
15196 * cpperror.c (cpp_print_containing_files): Take starting
15197 buffer as argument.
15198 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15199 (v_cpp_message): Now called directly by all entry points.
15201 (cpp_pfatal_with_name, cpp_message): Delete.
15202 (cpp_notice_from_errno, cpp_ice): New functions.
15203 (cpp_notice): Is now for reporting error conditions, just
15204 without an associated file.
15205 (cpp_error, cpp_error_with_line): Don't do anything if
15206 opts->inhibit_errors is on.
15207 (cpp_pedwarn_with_file_and_line): Take column argument also.
15209 * cpplib.h: Update prototypes of exported functions.
15210 (struct cpp_options): Add inhibit_errors.
15212 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15213 non-error messages. Include intl.h.
15215 * cppinit.c, cppmain.c: Likewise. Also, use
15216 cpp_notice_from_errno instead of cpp_perror_with_name or
15217 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15219 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15220 report internal errors.
15222 * cpplib.c (do_define): Switch bcopy to memcpy.
15223 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15225 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15226 bail out early if we hit a line comment.
15228 2000-02-06 Richard Henderson <rth@cygnus.com>
15230 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15231 * basic-block.h: Declare them.
15232 * emit-rtl.h (active_insn_p): New.
15233 (next_active_insn, prev_active_insn): Use it.
15234 * rtl.h: Declare it.
15235 * function.c (emit_return_into_block): New.
15236 (thread_prologue_and_epilogue_insns): Insert return insns instead
15237 of epilogues when possible.
15238 * jump.c (jump_optimize_1): Remove code to insert a return insn
15239 on the fallthru to the exit block.
15241 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15242 and for non-empty stack frames.
15243 * i386.md (return): Expand to return-pop as needed.
15245 2000-02-06 Richard Henderson <rth@cygnus.com>
15247 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15248 constant to op1 for testing.
15250 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15252 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15253 (fixuns_truncqfqi2): Use it.
15255 2000-02-06 Richard Henderson <rth@cygnus.com>
15257 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15258 as a TYPE_LEA insn.
15260 * i386.md (widening and peepholes): Mask the constant instead of
15263 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15265 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15266 input pointer before possibly branching off to the backslash
15268 * cpphash.c (macroexpand): Correctly delete \r escapes when
15269 stringifying parameters.
15270 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15271 if we can; bail out early if we hit a line comment.
15272 (handle_directive): Treat '# 123' in an .S file just like
15273 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15274 Return 1 for '# not_a_directive'.
15275 (get_directive_token): Pop macro buffers here, so that
15276 cpp_get_token can't sneakily move past a newline.
15278 (cpp_get_token): goto randomchar if handle_directive returns 0.
15280 * cppalloc.c: Update copyright.
15281 * cpplib.c: Merge all the static function prototypes into one
15283 * cpplib.h: Remove #if 0 block.
15285 * cpperror.c: Remove #ifdef EMACS block.
15286 * cppmain.c: Likewise.
15287 * cpphash.c: Remove #if 0 blocks.
15288 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15289 * cpplib.c: Remove #if 0 blocks and code referencing
15290 pcp_inside_if or for_lint. Remove duplicate error message.
15291 Fix error messages for #else after #else or #elif. Reformat.
15292 Remove archaic TODO list.
15293 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15295 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15297 * i386/osf1elf.h: Add missing backslash to multiline string.
15299 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15301 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15303 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15305 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15307 * c-common.c: Include expr.h.
15309 * c-pragma.c (mark_align_stack): Add prototype.
15311 * caller-save.c (add_stored_regs): Likewise.
15313 * combine.c (record_promoted_value): Likewise.
15315 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15318 * cppinit.c (new_pending_define): Likewise.
15320 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15322 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15323 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15324 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15325 class_scope_p): Likewise.
15327 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15328 dwarf2out_add_library_unit_info): Likewise.
15330 * ggc.h (ggc_page_print_statistics): Likewise.
15332 * haifa-sched.c (propagate_deps): Likewise.
15334 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15336 * rtl.h (set_stack_check_libfunc): Likewise.
15338 * toplev.h (set_fatal_function): Likewise.
15340 * toplev.c (set_fatal_function): Delete prototype.
15342 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15344 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15346 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15347 (FUNC_END): Likewise.
15349 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15351 * caller-save.c: Include tm_p.h.
15353 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15355 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15357 2000-02-04 Neil Booth <NeilB@earthling.net>
15359 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15362 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15364 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15365 * genflags.c: Use the max_operand_1 logic from genemit.c to
15366 calculate how many arguments gen_insn prototypes have. Remove
15367 NO_MD_PROTOTYPES ifdefs from the generated file.
15368 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15369 file. Cast gen_insn initializers to insn_gen_fn.
15370 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15371 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15373 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15375 * fixinc/Makefile.in (HDR): Add machname.h.
15378 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15380 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15381 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15382 (c4x_cpu_version): Ditto.
15383 * config/c4x/c4x-protos.h: ... here.
15385 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15387 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15388 gen_abstract_function on our context if we're a nested function.
15390 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15392 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15393 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15395 2000-02-04 Bruce Korb <bkorb@gnu.org>
15397 * fixinc/genfixes(machname.h):
15398 Move the functionality from gen-machine.h into this file.
15399 UNdef MN_NAME_PAT if there are no names to change.
15400 Also, be a little kinder when AutoGen is not present.
15402 * fixinc/Makefile.in(machname.h):
15403 Change the generation rule to use genfixes.
15405 * fixinc/fixfixes.c(machine_name):
15406 machine_name_fix's functionality now dependent upon whether
15407 MN_NAME_PAT is defined.
15409 * fixinc/fixtests.c(machine_name):
15412 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15415 * fixinc/fixlib.h(mn_get_regexps):
15418 * fixinc/gen-machine.h: DELETED
15420 2000-02-04 Jan Hubicka <jh@suse.cz>
15421 Richard Henderson <rth@cygnus.com>
15423 * i386.c (SAVE_REGS_FIRST): Remove.
15424 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15425 (ix86_compute_frame_size): Likewise.
15426 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15427 (ix86_emit_restore_regs): Remove.
15428 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15429 when a frame pointer is in use.
15430 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15431 instead of pop to restore a register when profitable; emit leave
15433 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15434 as a TYPE_LEA insn.
15435 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15436 * i386.md (prologue_allocate_stack): Remove.
15437 (epilogue_deallocate_stack): Remove.
15438 (pro_epilogue_adjust_stack): New.
15440 2000-02-04 Richard Henderson <rth@cygnus.com>
15442 * function.c (diddle_return_value): Rework to use a callback function.
15443 Use current_function_return_rtx if it's been set up.
15444 (do_clobber_return_reg, clobber_return_register): New.
15445 (do_use_return_reg, use_return_register): New.
15446 (expand_function_end): Use them.
15447 * stmt.c (expand_null_return): Likewise.
15448 * function.h: Declare them.
15449 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15450 (mark_reg): Change arguments as appropriate for callback.
15451 * integrate.c (expand_inline_function): Revert 19 Jan change.
15453 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15455 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15456 (Misc): Say the scheduler, not the Haifa scheduler.
15458 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15460 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15461 when in_mem is set. Update all callers.
15463 2000-02-04 Richard Henderson <rth@cygnus.com>
15465 * i386/openbsd.h (INT_ASM_OP): Define.
15467 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15469 * tm.texi: Fix various typos.
15471 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15473 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15474 (MD_STARTFILE_PREFIX_1): New macro.
15476 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15478 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15479 destination when needed.
15480 (strmovsi, strsetsi): New expander.
15481 (strmovsi_1, strsetsi_1): New pattern.
15482 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15483 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15484 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15485 * invoke.texi (align-stringops, inline-all-stringops): Document.
15487 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15489 * i386/netbsd.h (INT_ASM_OP): Define.
15491 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15493 * cpplib.h (cpp_reader): Add new flag, no_directives.
15494 * cpphash.c (macarg): Set it.
15495 * cpplib.c (handle_directive): If no_directives is on and we
15496 find a directive, issue an error and discard the line.
15498 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15500 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15501 FP constants. Add ! TARGET_FPU check for FP constants.
15503 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15505 * flow.c (find_basic_blocks): Don't kill label_value_list
15507 (cleanup_cfg): Kill it here.
15509 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15511 * expr.c (store_field): Ensure ALIGN is no stricter than the
15514 2000-02-02 Richard Henderson <rth@cygnus.com>
15516 * jump.c (delete_insn): Partially revert 19 Jan change;
15517 don't convert unused code labels to notes at -O0.
15519 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15521 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15522 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15524 2000-02-01 Richard Henderson <rth@cygnus.com>
15526 * i386.c (general_no_elim_operand): New.
15527 (nonmemory_no_elim_operand): New.
15528 (ix86_expand_move): Copy eliminable operands before a push.
15529 * i386-protos.h: Declare new functions.
15530 * i386.h (CAN_ELIMINATE): Simplify.
15531 (PREDICATE_CODES): Update.
15532 * i386.md (push insns): Don't allow eliminable register operands.
15534 2000-02-01 Richard Henderson <rth@cygnus.com>
15536 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15537 replace BLKmode with DECL_RTL's mode.
15539 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15541 * frame.c (find_fde): Convert for loop to do-while so compiler
15542 sees it's always executed at least once.
15543 * libgcc2.c (BBINBUFSIZE): Kill.
15544 (__bb_init_prg): Use fgets.
15545 (__bb_exit_trace_func): Don't paste strings.
15546 * unroll.c (unroll_loop): Initialize unroll_type, not
15547 unroll_number, and tweak logic to match.
15549 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15551 (ix86_flags_dependant): Likewise. Disentangle control flow.
15552 (ix86_sched_reorder): Break guts out to
15553 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15554 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15557 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15558 use string concatenation. Don't save and restore esi.
15560 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15561 (machname.h): Remove script to separate file. Use two-step
15562 sequence so target is not created if script fails.
15563 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15564 identifiers are defined.
15565 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15566 an empty string, machine_name doesn't need to do anything at
15568 (is_cxx_header): Add more cases to regexp.
15569 * fixinc/fixlib.h: Update prototype.
15570 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15572 * fixinc/fixincl.c: Define NO_BOGOSITY.
15574 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15575 (hp_sysfile): Add missing comma.
15576 (math_exception): Put the wrapper ifdefs at the beginning and
15577 the end of the file.
15578 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15580 2000-02-01 Richard Henderson <rth@cygnus.com>
15582 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15583 Use CONST0_RTX. Update all callers.
15584 * sparc.h, sparc-protos.h: Update accordingly.
15585 * sparc.md (fp mov insns): Use fp_zero_operand directly
15588 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15590 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15593 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15595 * Makefile.in (specs.ready): New target.
15596 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15598 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15600 * fixinc.irix: Use unique filenames for writing into /tmp,
15601 * fixinc.ptx: Likewise.
15602 * fixinc.sco: Likewise.
15603 * fixinc.svr4: Likewise.
15604 * fixinc.winnt: Likewise.
15606 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15608 * tsystem.h: New file.
15610 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15611 s-crtS): Depend on tsystem.h.
15613 * crtstuff.c: Include tsystem.h.
15614 * frame.c: Likewise.
15615 * libgcc2.c: Likewise.
15617 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15619 * builtins.c (expand_builtin_memset): Expand for variable sized
15622 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15624 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15627 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15629 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15631 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15633 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15635 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15636 case 3->2 combining (combining with splitting) in which 2 is CC0
15637 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15638 checked at the begining of the function with the aid of calling
15639 function 'can_combine_p'.
15641 2000-01-31 Dave Brolley <brolley@redhat.com>
15643 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15645 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15647 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15650 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15652 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15654 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15657 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15659 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15660 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15661 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15662 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15663 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15664 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15665 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15666 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15667 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15668 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15670 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15671 Add %(cpp_cpu) to CPP_SPEC.
15673 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15674 Add %(cc1_cpu) to CC1_SPEC.
15676 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15678 * c-decl.c (c_decode_option): Accept optional numeric argument to
15679 -Wformat and set warn_format.
15680 * c-common.c: Don't emit warning about non-constant printf format
15681 string unless warn_format > 1.
15683 2000-01-30 Richard Henderson <rth@cygnus.com>
15685 * alpha.md (return_internal): Allow after reload only.
15687 2000-01-30 Richard Henderson <rth@cygnus.com>
15689 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15690 local frame size is zero.
15692 2000-01-30 Richard Henderson <rth@cygnus.com>
15694 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15695 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15696 * alpha.md (return): Turn into an expander.
15697 (return_internal): Don't use $26.
15698 (epilogue): Emit the return insn.
15700 2000-01-30 Richard Henderson <rth@cygnus.com>
15702 * alpha.md (negtf2, abstf2): Fix word order thinko.
15703 (extendsftf2): New.
15704 (trunctfsf2): Avoid intermediate rounding errors.
15706 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15708 * cppfiles.c (find_position): Drop 'colp' argument, return the
15710 (read_and_prescan): Adjust to match. Don't ever manipulate
15711 line or line_base except via find_position.
15713 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15715 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15716 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15719 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15721 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15722 just print "<command line>". If 'filename' is null or an
15723 empty string, print "<stdin>" for the filename.
15724 * cpplib.c (do_define): Don't print the 'location of the
15725 previous definition' message if we're still parsing the
15727 (cpp_pedwarn_with_file_and_line): Always call
15728 cpp_file_line_for_message.
15730 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15732 * flow.c (mark_regs_live_at_end): Fix typo.
15734 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15736 * c-common.c: Adjust variable names, comments, help strings to c99.
15737 * c-lex.c: Likewise.
15738 * c-parse.y: Likewise.
15739 * c-tree.h: Likewise.
15740 * cccp.c: Likewise.
15741 * cpplib.h: Likewise.
15742 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15743 * cppinit.c: Likewise.
15745 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15747 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15748 * c4x.c: Define the optab rtx values.
15749 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15750 (c4x_emit_libcall): Use new optab rtx values.
15751 (c4x_emit_libcall3): Likewise.
15752 (c4x_emit_libcall_mulhi): Likewise.
15753 * c4x-protos.h: Add prototypes for optab rtx values and change
15754 prototypes for above c4x_emit_libcall functions.
15756 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15758 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15760 (c4x_function_prologue): Use regnames intead of float_reg_names when
15762 (c4x_function_epilogue): Likewise.
15763 (c4x_print_operand): Likewise.
15764 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15765 * c4x.md (set_high): Disable for TARGET_TI.
15767 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15769 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15770 of framepointer + constant to ADDR_REGS class.
15771 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15772 * c4x.c (std_or_reg_operand): New function.
15773 * c4x-protos.h (std_or_reg_operand): Prototype it.
15775 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15777 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15778 object names as libgcc2.c.
15779 * libgcc.S: Use newly defined names.
15781 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15782 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15784 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15785 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15786 (FLOW_LOOP_LAST_BLOCK): Likewise.
15788 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15790 * basic-block.h (struct loop): New fields 'first' and 'last'.
15791 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15792 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15793 and loop->last to check for NOTE_INSN_LOOP_END.
15795 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15797 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15798 of the loop descriptor rather than HEADER and LATCH. Also added
15799 missing break statements as well making some coding style modifications
15800 as suggested by Michael Hayes.
15802 2000-01-28 Richard Henderson <rth@cygnus.com>
15804 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15805 Break out that code ...
15806 (cleanup_cfg): ... here.
15807 (commit_one_edge_insertion): Detect a return instruction being
15808 emitted to an edge. Emit a barrier following; clear fallthru.
15809 (commit_edge_insertions): Verify CFG consistency.
15810 * function.c (expand_function_start): Kill unused variable.
15811 (expand_function_end): Likewise.
15812 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15813 to insert the epilogue.
15815 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15816 (delete_null_pointer_checks): Likewise.
15817 * output.h: Likewise.
15818 * reg-stack.c (reg_to_stack): Likewise.
15819 * toplev.c (rest_of_compilation): Likewise. Run
15820 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15822 2000-01-28 Richard Henderson <rth@cygnus.com>
15824 * Makefile.in (flow.o): Revert 24 Jan change.
15825 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15826 FUNCTION_VALUE result to DECL_RESULT's mode.
15828 * haifa-sched.c (schedule_insns): Don't recompute reg info
15831 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15833 * configure.in: Make --enable-cpplib the default.
15834 * configure: Regenerate.
15835 * gcc.dg/990119-1.c: No longer expected to fail.
15837 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15839 * jump.c (jump_optimize_1): Delete an optimization that is also done
15840 by merge_blocks in flow.
15842 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15844 * diagnostic.c (build_message_string, output_printf,
15845 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15846 (build_location_prefix): Fix non-literal format string.
15848 2000-01-27 Richard Henderson <rth@cygnus.com>
15850 * alpha.md (trunctfsf2): New.
15852 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15854 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15856 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15858 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15860 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15862 (skip_comment) ... here. Permit C++ comments in system
15863 headers always. Warn about C++ comments in user code under
15864 -std=gnu89 -pedantic.
15865 (copy_comment): Use skip_comment.
15866 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15868 (consider_directive_while_skipping, do_else, do_endif): Call
15869 validate_else unconditionally.
15870 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15871 text after the conditional in a system header.
15872 * cpplib.h (struct cpp_buffer): Add flag
15873 warned_cplusplus_comments.
15875 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15877 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15878 Use unshare_all_rtl_1.
15879 (unshare_all_rtl_again): New function.
15880 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15882 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15883 rather than resetting the 'used' flags ourself.
15885 * toplev.c (rest_of_compilation): Add current_function_decl
15886 to the unshare_all_rtl call.
15887 * tree.h: Prototype unshare_all_rtl.
15888 * rtl.h: Prototype unshare_all_rtl_again here.
15890 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15892 * genoutput.c (output_prologue): Include ggc.h in generated
15894 * Makefile.in (insn-output.o): Depends on ggc.h.
15896 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15897 Hans-Peter Nilsson <hp@bitrange.com>
15899 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15900 Remove redundant include of xm-ns32k.h.
15901 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15902 Remove redundant include of xm-ns32k.h.
15903 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15904 Remove redundant include of xm-ns32k.h.
15905 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15907 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15908 (TARGET_SWITCHES): Add documentation strings.
15909 (DWARF_FRAME_REGNUM): Override default definition.
15910 (REG_CLASS_CONTENTS): Add comments.
15911 (SUBSET_P): Format to reduce line length.
15912 (SMALL_REGISTER_CLASSES): Make a run time option.
15913 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15914 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15915 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15916 (regclass_map): fix typo in comment.
15917 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15918 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15919 (trace, reg_or_mem_operand): Delete, unused function.
15920 (calc_address_cost): Small offsets are cheaper than large ones.
15921 (expand_block_move): Generate more efficient code when bytes is a
15922 known at compile time.
15923 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15924 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15925 instead of reg_or_mem_operand.
15927 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15928 not general_operand. Similarly use "=rm" or stricter, not "=g".
15929 For input operands, use stricter constraints than "g" if not
15930 general_operand. Similarly use stricter predicate than
15931 "general_operand" when stricter constraints than "g" are present,
15932 except for matching constraints.
15933 (movstrsi): Use "memory_operand" for operands 0 and 1.
15934 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15935 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15936 not reg_or_mem_operand.
15937 (udivmoddisi4): Ditto.
15938 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15939 Use nonimmediate_operand for operand 3, not register_operand.
15940 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15941 reg_or_mem_operand.
15943 2000-01-27 Fred Fish <fnf@be.com>
15945 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15946 * gthr-single.h: Likewise.
15947 * gthr-solaris.h: Likewise.
15948 * gthr-vxworks.h: Likewise.
15949 * gthr-win32.h: Likewise.
15950 * gthr.h: Likewise.
15952 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15954 * cppinit.c: Add " (cpplib)" to end of string printed by
15957 2000-01-27 Richard Henderson <rth@cygnus.com>
15959 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15960 testing for a signed comparison.
15961 (alpha_emit_floatuns): New.
15962 * alpha-protos.h: Declare it.
15963 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15964 (extendsfdf2): Tidy.
15966 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15968 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15969 no -g option specifying debugging format, default to -gstabs+.
15971 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15973 * calls.c (special_function_p): New argument fork_or_exec.
15974 (expand_call): When profile_arc_flag is set and the function
15975 is in the fork_or_exec group, call __bb_fork_func first.
15976 * libgcc2.c, _bb module (__bb_fork_func): New function.
15977 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15979 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15980 * tree.h (special_function_p): Update prototype.
15982 2000-01-26 Richard Henderson <rth@cygnus.com>
15984 * alpha.c (alpha_split_tfmode_pair): New.
15985 * alpha-protos.h: Declare it.
15986 * alpha.md (abstf2, negtf2): New.
15987 (movtf insn): Add input G constraint.
15988 (movtf splitter): Use alpha_split_tfmode_pair.
15990 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15992 * i386/cygwin.h: PROTO -> PARAMS.
15994 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15996 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15997 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15998 using _Qp_cmp/_Q_cmp and testing the return value.
15999 (print_operand): Call reverse_condition_maybe_unordered if
16000 we are handling CCFPmode or CCFPEmode.
16001 Handle ORDERED, UN* and LTGT comparisons.
16002 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16003 if not TARGET_HARD_QUAD.
16004 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16005 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16006 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16007 Adjust gen_b* calls so that they reflect return comparison of
16008 sparc_emit_float_lib_cmp.
16010 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16012 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16013 incoming operands array is large enough for one more operand.
16014 (alpha_emit_xfloating_arith): Likewise.
16016 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16018 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16019 file with one line and no trailing newline.
16020 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16021 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16022 checking if the match is on the line.
16023 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16025 2000-01-25 Richard Henderson <rth@cygnus.com>
16027 * sparc.c (output_cbranch): Fix accidental squashing of the
16028 fp branch pre-delay nop.
16030 2000-01-25 Richard Henderson <rth@cygnus.com>
16032 * tree.def (UNNE_EXPR): Remove.
16033 * c-typeck.c (build_binary_op): Don't handle it.
16034 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16036 * rtl.def (UNNE): Remove.
16038 * jump.c (reverse_condition): Update accordingly.
16039 (swap_condition): Likewise.
16040 (comparison_dominates_p): Handle unordered comparisons.
16041 (reverse_condition_maybe_unordered): New.
16042 * rtl.h (reverse_condition_maybe_unordered): Declare.
16044 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16045 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16046 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16047 * sparc.md (bltgt): New.
16049 2000-01-25 Nick Clifton <nickc@redhat.com>
16051 * emit-rtl.c (emit_insn): Only check machine class insns for
16052 improper emission of a RETURN.
16054 2000-01-25 Richard Henderson <rth@cygnus.com>
16056 * Makefile.in (flow.o): Depend on $(EXPR_H).
16057 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16058 duplicate the structure of diddle_return_value for keeping regs live.
16060 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16062 * loop.c (current_loop_info): Delete.
16063 (consec_sets_invariant_p): Add loop argument, update callers.
16064 (get_condition_for_loop): Likewise.
16065 (count_nonfixed_reads, update_giv_derive): Likewise.
16066 (simplify_giv_expr, general_induction_var): Likewise.
16067 (consec_sets_giv, recombine_givs): Likewise.
16068 (move_movables): Delete loop_start and loop_end arguments,
16069 add loop argument, and update callers.
16070 (find_mem_givs, check_final_value): Likewise.
16071 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16072 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16074 (basic_induction_var): Add loop argument, delete loop_level argument,
16075 and update callers.
16076 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16077 add loop argument, and update callers.
16078 (find_splittable_regs, find_splittable_givs): Likewise.
16079 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16080 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16081 (biv_total_increment): Delete loop_start and loop_end arguments;
16083 (precondition_loop_p): Delete loop_start and loop_info arguments;
16085 * loop.h (get_condition_for_loop): Add loop argument.
16086 (biv_total_increment): Delete loop_start and loop_end arguments.
16087 (precondition_loop_p): Delete loop_start and loop_info arguments;
16089 (final_biv_value): Delete loop_start and loop_end arguments;
16091 (final_giv_value, back_branch_in_range_p): Likewise.
16093 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16095 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16097 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16099 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16100 point to the new "generated_files" doc.
16102 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16104 * config/fp-bit.c (_unord_f2): Fix typo.
16106 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16108 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16109 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16110 functions obsoleted by GC, such as push_obstacks_nochange,
16111 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16112 and code which existed only to decide whether or not to call
16113 them. Remove now-unused NESTED argument from start_function;
16114 all callers changed. Do not change behavior based on ggc_p.
16115 The use of the ixp_obstack in c-iterate.c and the util_obstack
16116 in objc/objc-act.c remain; these are not obsoleted by garbage
16118 * c-tree.h: Update prototype for start_function.
16120 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16122 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16124 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16127 2000-01-25 Richard Henderson <rth@cygnus.com>
16129 * sparc-protos.h (select_cc_mode): Declare.
16130 * sparc.c (select_cc_mode): New. Handle unordered compares.
16131 (output_cbranch): Always reverse via code change. Handle
16132 unordered compares. Factor tests and string updates.
16133 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16134 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16135 * sparc.md (bunordered, bordered): New.
16136 (bungt, bunlt, buneq, bunge, bunle): New.
16138 2000-01-25 Richard Henderson <rth@cygnus.com>
16140 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16141 * ggc-common.c (ggc_add_rtx_varray_root): New.
16142 (ggc_mark_rtx_varray): New.
16143 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16144 functions down below ggc_mark_foo.
16145 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16147 2000-01-25 Richard Henderson <rth@cygnus.com>
16149 * alpha.c (secondary_reload_class): Don't allocate a secondary
16150 for integral mode memories into FLOAT_REGS. Rearrange the more
16151 complicated memory expression inward.
16153 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16155 * inclhack.def: Fixes to play nicer with FreeBSD, and
16156 corrections to comments.
16157 (cxx_unready): Add select expression.
16158 (irix_sockaddr): Add bypass expression.
16159 (machine_ansi_h_va_list): New fix.
16160 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16161 Split out addition of "#include <stdarg.h>" to...
16162 (stdio_stdarg_h): ... here.
16163 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16164 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16165 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16167 (ultrix_ifdef): Tighten up select expression.
16169 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16170 re_ct and max_mach to avoid use of shell. Make printed names
16171 match names in inclhack.def. Use static copyright date.
16172 Don't count c_test and test expressions as requiring regex_t
16173 slots. Add some commentary.
16174 * inclhack.tpl: Do not include the 'This script contains N
16175 fixup scripts' line if PROGRAM is defined. Use static
16178 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16180 * dwarf2out.c: include "varray.h", not dyn-string.h.
16181 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16182 (addr_const_to_string, addr_to_string): Lose.
16183 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16184 (struct dw_val_struct): val_addr is now an rtx.
16185 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16186 (used_rtx_varray): New varray.
16187 (dwarf2out_init): Initialize it.
16188 (save_rtx): New fn.
16189 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16191 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16192 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16193 * Makefile.in (dwarf2out.o): Update dependencies.
16195 2000-01-24 Richard Henderson <rth@cygnus.com>
16197 * i386.c (i386_dwarf_output_addr_const): New.
16198 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16200 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16202 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16203 * i386.c (i386_simplify_dwarf_addr): New.
16204 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16206 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16208 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16209 TYPE_STUB_DECL is NULL.
16211 2000-01-24 Richard Henderson <rth@cygnus.com>
16213 * builtins.c (expand_tree_builtin): Move ...
16214 * c-common.c (expand_tree_builtin): ... here.
16216 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16218 * loop.h (LOOP_INFO): New accessor macro.
16219 * basic-block.h (struct loop): Rename field `info' to `aux'.
16220 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16221 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16222 * unroll.c (loop_iterations, unroll_loop): Likewise.
16224 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16226 * config/i386/t-cygwin: Accomodate new winsup directory layout
16227 when searching for include files.
16229 2000-01-24 Richard Henderson <rth@cygnus.com>
16231 * rtl.def: Add unordered fp comparisions.
16232 * tree.def: Likewise.
16233 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16235 * builtins.c (expand_tree_builtin): New function.
16236 * c-typeck.c (build_function_call): Use it.
16237 (build_binary_op): Support unordered compares.
16238 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16240 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16241 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16242 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16243 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16244 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16246 (swap_condition): Handle unordered compares.
16247 (thread_jumps): Check can_reverse before reversing.
16248 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16251 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16252 setcc is present before acking for cmp_optab. Update all callers.
16253 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16254 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16255 * expr.c (expand_expr): Likewise. Support unordered compares.
16256 (do_jump, do_store_flag): Likewise.
16257 * expr.h (enum libfunc_index): Add unordered compares.
16259 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16260 (DPBIT_FUNCS): Add _unord_df.
16261 * config/fp-bit.c (_unord_f2): New.
16262 * fp-test.c (main): Try unordered compare builtins.
16264 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16265 * alpha.c (alpha_comparison_operator): Check mode properly.
16266 (alpha_swapped_comparison_operator): Likewise.
16267 (signed_comparison_operator): Likewise.
16268 (alpha_fp_comparison_operator): New.
16269 (alpha_emit_conditional_branch): Handle unordered compares.
16270 * alpha.h (PREDICATE_CODES): Update.
16271 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16272 (bunordered, bordered): New.
16274 2000-01-24 Richard Henderson <rth@cygnus.com>
16276 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16277 * alpha.md (movtf): New expander, insn, and splitter.
16279 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16281 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16284 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16286 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16287 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16288 REG_ALLOC_ORDER): Add frame pointer
16289 (FRAME_POINTER_REGNUM): Set to 20
16290 (HARD_FRAME_POINTER_REGNUM): New macro.
16291 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16292 to HARD_FRAME_POINTER.
16293 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16294 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16295 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16296 (HI_REGISTER_NAMES): Add "frame".
16297 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16298 (debug_reg): Handle FRAME_POINTER_REGNUM.
16299 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16300 GENERAL_REGS and INDEX_REGS.
16301 * i386.c (SAVED_REGS_FIRST): new macro.
16302 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16303 (ix86_decompose_address, memory_address_length): Likewise.
16304 (regclass_map): Add frame pointer.
16305 (call_insn_operand): Handle frame_pointer_rtx.
16306 (reg_no_sp_operand): Likewise.
16307 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16308 (print_operand, legitimize_pic_address): Fix formating.
16309 (ix86_compute_frame_size): Make static, update prototype, new
16310 parameters padding1, padding2, use ix86_nsaved_regs, use
16311 stack_alignment_needed.
16312 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16313 to HARD_FRAME_POINTER_REGNUM conversions.
16314 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16315 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16316 (print_reg): Abort on FRAME_POINTER_REGNUM
16318 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16320 * i386.h (PREDICATE_CODES): Add aligned_operand.
16321 * i386.c (aligned_operand): New function.
16322 (ix86_aligned_p): Kill.
16323 * i386.md (movhi_1): Emit mov for aligned operands.
16324 (promoting peep2s): Use aligned_operand.
16326 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16328 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16329 expression to allow underscores in macro names.
16330 (fix_char_macro_defines): Increment scanning pointer.
16332 2000-01-23 Richard Henderson <rth@cygnus.com>
16334 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16335 * alpha/osf5.h: New file.
16336 * configure.in (alpha-*-osf5): Add it to tm_file.
16338 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16340 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16341 (alpha_emit_xfloating_cvt, function_arg): Declare.
16342 * alpha.c (alpha_emit_conditional_branch): Call
16343 alpha_emit_xfloating_compare for TFmode compares.
16344 (alpha_lookup_xfloating_lib_func): New.
16345 (alpha_compute_xfloating_mode_arg): New.
16346 (alpha_emit_xfloating_libcall): New.
16347 (alpha_emit_xfloating_arith): New.
16348 (alpha_emit_xfloating_compare): New.
16349 (alpha_emit_xfloating_cvt): New.
16350 (print_operand): Add default abort case.
16351 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16352 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16353 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16354 (RETURN_IN_MEMORY): True for TF/TCmode.
16355 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16356 (FUNCTION_ARG): Move to function_arg.
16357 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16358 (ASM_OUTPUT_LONG_DOUBLE): New.
16359 (ASM_OUTPUT_DOUBLE): Always output bits.
16360 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16361 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16362 (extenddftf2, trunctfdf2): New.
16364 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16366 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16367 * config/sparc/sol2.h: ... here.
16369 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16371 * basic-block.h (struct loops): New field `levels'.
16372 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16373 (flow_loop_level_compute): Initialise level to 1.
16374 (flow_loops_find): Set loops->levels.
16375 (flow_loops_dump): Print loops->levels.
16377 2000-01-23 Richard Henderson <rth@cygnus.com>
16379 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16380 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16382 2000-01-23 Richard Henderson <rth@cygnus.com>
16384 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16385 * i386.h (DBX_REGISTER_NUMBER): Use them.
16386 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16387 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16388 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16389 * i386/sequent.h: Kill incorrect comment.
16391 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16393 * ggc-page.c (struct page_entry): Make `context_depth' an
16395 (struct globals): Likewise.
16397 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16399 * loop.c (check_dbra_loop): When checking a loop for
16400 reversability, check the source of any stores to ensure
16401 they don't depend on an initial value.
16403 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16405 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16407 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16409 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16410 'pz_scan' into scope of entire function. Only affects
16411 compiles with -DDEBUG.
16413 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16415 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16416 section naming to that prior to 2000-01-07 patch.
16417 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16418 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16419 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16420 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16421 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16423 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16425 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16428 2000-01-21 Jim Wilson <wilson@cygnus.com>
16430 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16431 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16433 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16435 * cpphash.c (change_newlines): Delete function.
16436 (struct argdata): Delete 'newlines' and 'use_count' fields.
16437 (macroexpand): Remove code referencing those fields.
16439 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16441 * loop.c (loops_info): New variable.
16442 (loop_optimize): Allocate loops->array and free it on exit.
16443 Allocate memory for loops_info and assign to each loop,
16445 (find_and_verify_loops): Do not allocate loops->array.
16447 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16449 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16451 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16453 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16454 pseudos if expanded after first flow.
16455 (movdi_pic_label_ref): Likewise.
16457 2000-01-20 Richard Henderson <rth@cygnus.com>
16459 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16461 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16463 * Makefile.in (fixinc.sh): Depend on specs.
16464 * fixinc/Makefile.in: Add rule to create machname.h.
16465 (fixlib.o): Depend on machname.h.
16466 * fixinc/fixtests.c (machine_name): New test.
16467 * fixinc/fixfixes.c (machine_name): New fix.
16468 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16469 the machine_name test and fix.
16470 * fixinc/fixlib.h: Prototype it.
16471 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16472 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16474 * gcc.c (do_spec_1) [case P]: Take care not to create
16475 identifiers with three leading or trailing underscores.
16477 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16478 (fixincl): Don't specify libraries twice on link line.
16479 (gnu-regex.o): Remove special rule.
16480 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16481 defined by config.h. Do not define _REGEX_RE_COMP.
16482 (regcomp): Allocate and initialize a fastmap.
16483 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16485 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16487 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16489 2000-01-19 Richard Henderson <rth@cygnus.com>
16491 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16492 arguments with BB. Update all callers. Tidy line wrapping.
16494 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16496 * emit-rtl.c (try_split): Return last_insn if we split the
16499 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16501 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16502 (ix86_initial_elimination_offset): Declare.
16503 * i386.c (ix86_nsaved_regs): Break out from ...
16504 (ix86_can_use_return_insn_p): ... here.
16505 (ix86_emit_save_regs): Break out from ...
16506 (ix86_expand_prologue): ... here.
16507 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16509 (ix86_expand_epilogue): ... here.
16510 (ix86_compute_frame_size): Make static, add prototype.
16511 (ix86_initial_elimination_offset): Break out from ...
16512 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16514 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16516 * recog.h (OUT_FCN): Delete.
16518 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16520 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16522 * cppalloc.c: PROTO -> PARAMS.
16523 * cpperror.c: Likewise.
16524 * cppfiles.c: Likewise.
16525 * cpplib.c: Likewise.
16526 * cpplib.h: Likewise.
16528 * config/arm/arm-protos.h: PROTO -> PARAMS.
16529 * config/arm/arm.c: Likewise.
16530 * config/c4x/c4x.c: Likewise.
16531 * config/fr30/fr30-protos.h: Likewise.
16532 * config/nextstep.c: Likewise.
16533 * config/pa/pa.c: Likewise.
16534 * config/pj/pj.c: Likewise.
16535 * config/rs6000/rs6000.c: Likewise.
16536 * config/v850/v850-protos.h: Likewise.
16537 * config/v850/v850.c: Likewise.
16539 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16541 * i370-protos.h: New file.
16543 * i370.c: Include tm_p.h. Fix compile time warnings.
16545 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16548 * i370.md: Likewise.
16550 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16552 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16553 (target_isinf, target_isnan, eisnan): Mark parameter with
16555 (eiisinf): Wrap in INFINITY.
16556 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16557 (ibmtoe): Remove unused variable `rndsav'.
16559 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16561 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16562 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16564 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16566 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16567 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16568 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16570 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16571 Recognize Emacs mode markers also.
16572 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16573 C++ comments in C++ headers. Call is_cxx_header only if
16576 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16577 bypass for ncurses.
16578 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16579 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16580 ... these, which use the new C fixes.
16581 (math_exception): Escape literal '+' in bypass expression.
16583 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16586 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16588 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16591 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16593 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16594 prior to calling scan_loop.
16596 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16598 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16599 (split_branches, calc_live_regs): Likewise.
16601 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16603 * sh.md (fpu_single, fp_mode): New attributes.
16605 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16607 * loop.c (current_loop_info): Renamed from loop_info_data
16608 and changed to a pointer.
16609 (loop_optimize): Allocate loop_info structure for each loop
16610 and initialise to zero.
16611 (scan_loop): Set current_loop_info.
16613 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16616 2000-01-19 Richard Henderson <rth@cygnus.com>
16618 * stupid.c: Die die die.
16619 * Makefile.in (OBJS): Remove stupid.o.
16620 (stupid.o): Likewise.
16622 * except.c (emit_eh_context): Don't emit USEs for stupid.
16623 * explow.c (probe_stack_range): Likewise.
16624 * flags.h (obey_regdecls): Remove.
16625 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16626 when not optimizing.
16627 (life_analysis): Limit data collection when not optimizing.
16628 (mark_regs_live_at_end): Always mark the return value registers.
16629 (mark_used_regs): Remove dummy RETURN case.
16630 (print_rtl_with_bb): Don't consult obey_regdecls.
16631 * function.c (use_variable, use_variable_after): Remove.
16632 (assign_parms): Consult optimize not obey_regdecls.
16633 (expand_function_start): Don't emit USEs for stupid.
16634 (expand_function_end): Likewise.
16635 * global.c (build_insn_chain): Export.
16636 * integrate.c (expand_inline_function): Kill return-value USE
16638 * jump.c (jump_optimize_1): Do simple jump optimizations and
16639 dead code elimination.
16640 (calculate_can_reach_end): Remove check_deleted argument.
16641 (delete_insn): Patch out insns even when not optimizing.
16642 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16643 * rtl.h (use_variable, use_variable_after): Remove declarations.
16644 (build_insn_chain): Declare.
16645 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16646 (expand_end_bindings): Likewise.
16647 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16648 * toplev.c (obey_regdecls): Remove.
16649 (rest_of_compilation): Don't set it. Kill stupid in favour of
16650 flow1, local-alloc, and reload.
16651 (main): Don't set obey_regdecls.
16653 * config/nextstep.c (handle_pragma): Likewise.
16655 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16657 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16659 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16661 * alpha-protos.h: PROTO -> PARAMS.
16662 * alpha.c: Likewise.
16664 * h8300.c: Likewise.
16665 * i386-protos.h: Likewise.
16666 * i386.c: Likewise.
16667 * m32r-protos.h: Likewise.
16668 * m32r.c: Likewise.
16669 * mips.c: Likewise.
16670 * mips.md: Likewise.
16671 * gmon-sol2.c: Likewise.
16672 * sparc.c: Likewise.
16674 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16676 * ns32k-protos.h: New file.
16678 * ns32k.c: Fix compile time warnings.
16680 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16683 * ns32k.md: Likewise.
16685 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16687 * vax-protos.h: New file.
16689 * vax.c: Fix compile time warnings.
16691 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16694 * vax.md: Likewise.
16696 * vaxv.md: Likewise.
16698 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16700 * romp-protos.h: New file.
16702 * romp.c: Fix compile time warnings.
16704 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16707 * romp.md: Likewise.
16709 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16711 * we32k-protos.h: New file.
16713 * we32k.c: Fix compile time warnings.
16715 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16718 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16720 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16722 * except.c (eh_regs): Likewise.
16724 * final.c (output_operand): Likewise.
16726 * fold-const.c (target_isinf, target_isnan): Likewise.
16728 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16730 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16731 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16733 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16734 when optimize_size.
16735 (clrstrsi): Rewrite.
16736 (strsethi, strsetqi): New expanders.
16737 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16738 (cmpstrsi): Emit compare insn before cmpstrsi_1
16739 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16740 (strlensi_1): Likewise.
16741 (cmpstrsi_1): Likewise; do not output compare.
16742 (strlen expander): Do not unroll when optimizing for size.
16743 (*subsi3_carry): Rename to subsi3_carry
16744 (addqi3_cc): New pattern.
16745 * i386.h (processor_costs): Add move_ratio field.
16746 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16747 * i386.c (*_cost): Set move_ratio.
16748 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16749 (x86_expand_strlensi_1): Rewrite the main loop.
16751 2000-01-17 Richard Henderson <rth@cygnus.com>
16753 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16754 * cse.c (find_comparison_args, fold_rtx): Likewise.
16755 * integrate.c (subst_constants): Likewise.
16756 * loop.c (get_condition): Likewise.
16758 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16760 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16762 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16764 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16765 (RESTORE_WARN_FLAGS): Unpack it.
16766 Change semantic type of extension to ttype.
16767 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16768 * c-parse.y, c-parse.c, objc/objc-parse.y,
16769 objc/objc-parse.c: Regenerate.
16771 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16773 * fixinc/fixlib.c: Add copyright notice.
16774 (compile_re): New function.
16775 * fixinc/fixlib.h: Prototype compile_re.
16777 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16778 Use compile_re to compile regular expressions.
16780 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16781 where the pattern matched.
16783 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16785 (ultrix_ansi_compat): Likewise.
16786 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16788 (interactv_add2, interactv_add3): Delete.
16789 (x11_sprintf): Don't use filename glob.
16790 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16793 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16795 * print-rtl.c: PROTO -> PARAMS.
16796 * real.c: Likewise.
16797 * reg-stack.c: Likewise.
16798 * resource.c: Likewise.
16799 * sdbout.h: Likewise.
16800 * simplify-rtx.c: Likewise.
16801 * stor-layout.c: Likewise.
16802 * stupid.c: Likewise.
16803 * xcoffout.c: Likewise.
16804 * xcoffout.h: Likewise.
16806 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16808 * toplev.c: PROTO -> PARAMS.
16809 * toplev.h: Likewise.
16810 * tree.c: Likewise.
16811 * tree.h: Likewise.
16812 * unroll.c: Likewise.
16813 * varasm.c: Likewise.
16814 * varray.c: Likewise.
16815 * varray.h: Likewise.
16817 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16819 * reload.c: PROTO -> PARAMS.
16820 * reload.h: Likewise.
16821 * reload1.c: Likewise.
16822 * reorg.c: Likewise.
16823 * resource.h: Likewise.
16826 * rtlanal.c: Likewise.
16827 * sbitmap.h: Likewise.
16828 * sdbout.c: Likewise.
16829 * stack.h: Likewise.
16830 * stmt.c: Likewise.
16831 * system.h: Likewise.
16833 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16835 * machmode.h: PROTO -> PARAMS.
16836 * mbchar.h: Likewise.
16837 * mips-tdump.c: Likewise.
16838 * mips-tfile.c: Likewise.
16839 * optabs.c: Likewise.
16840 * output.h: Likewise.
16841 * prefix.c: Likewise.
16842 * profile.c: Likewise.
16843 * protoize.c: Likewise.
16844 * real.h: Likewise.
16845 * recog.c: Likewise.
16846 * recog.h: Likewise.
16847 * regclass.c: Likewise.
16848 * regmove.c: Likewise.
16849 * regs.h: Likewise.
16851 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16853 * ggc-common.c: PROTO -> PARAMS.
16854 * ggc-page.c: Likewise.
16855 * ggc-simple.c: Likewise.
16857 * global.c: Likewise.
16858 * graph.c: Likewise.
16859 * gthr-win32.h: Likewise.
16860 * haifa-sched.c: Likewise.
16861 * halfpic.h: Likewise.
16862 * integrate.c: Likewise.
16863 * integrate.h: Likewise.
16864 * jump.c: Likewise.
16866 * local-alloc.c: Likewise.
16867 * loop.c: Likewise.
16868 * loop.h: Likewise.
16870 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16872 * genattr.c: PROTO -> PARAMS.
16873 * genattrtab.c: Likewise.
16874 * gencheck.c: Likewise.
16875 * gencodes.c: Likewise.
16876 * genconfig.c: Likewise.
16877 * genemit.c: Likewise.
16878 * genextract.c: Likewise.
16879 * genflags.c: Likewise.
16880 * gengenrtl.c: Likewise.
16881 * genopinit.c: Likewise.
16882 * genoutput.c: Likewise.
16883 * genpeep.c: Likewise.
16884 * genrecog.c: Likewise.
16886 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16888 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16890 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16892 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16893 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16894 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16895 * configure, config.in: Rebuilt.
16897 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16899 * config/i386/i386.md: Add peephole to merge successive stack
16902 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16904 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16905 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16906 when walking backwards to find all the parameter loads when
16907 the basic block ends in a call.
16909 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16911 * loop.c (this_loop_info): Delete.
16912 (uid_loop): Add in place of uid_loop_num. All uses updated.
16913 (loop_number_exit_count): Delete and replace with entry in loop
16914 structure. All uses updated.
16915 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16916 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16917 (loop_outer_loop): Likewise.
16918 (loop_invalid, loop_number_exit_labels): Likewise.
16919 (loop_used_count_register): Delete and replace with entry in
16920 loop_info structure.
16921 (find_and_verify_loops): Add loops argument.
16922 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16923 loop_end, etc. arguments with loop structure pointer. All callers
16925 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16926 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16927 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16928 (insert_bct): Likewise.
16929 (basic_induction_var): New argument level.
16930 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16931 vtop, and cont. Add used_count_register.
16932 (uid_loop): Delete declaration.
16933 (loop_number_exit_count): Likewise.
16934 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16935 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16936 (loop_outer_loop, loop_used_count_register): Likewise.
16937 (loop_invalid, loop_number_exit_labels): Likewise.
16938 (unroll_loop): Replace loop_start and loop_end arguments
16939 with loop structure pointer.
16940 (loop_precondition_p, loop_iterations): Likewise.
16941 Include basic-block.h.
16942 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16943 with loop structure pointer.
16944 (loop_precondition_p, loop_iterations): Likewise.
16945 * basic-block.h (struct loop): New entries vtop, cont,
16946 cont_dominator, start, end, top, scan_start, exit_labels,
16948 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16950 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16952 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16954 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16956 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16958 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16960 * pdp11-protos.h: New file.
16962 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16965 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16968 * pdp11.md: Likewise.
16970 * 2bsd.h: Likewise.
16972 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16974 * mn10300-protos.h: New file.
16976 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16979 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16982 * mn10300.md: Likewise.
16984 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16986 * mn10200-protos.h: New file.
16988 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16991 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16994 * mn10200.md: Likewise.
16996 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16998 * h8300-protos.h: New file.
17000 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17003 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17006 * h8300.md: Likewise.
17008 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17010 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17011 (asm_emit_uninitialised): Likewise.
17013 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17015 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17016 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17018 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17020 * config/mips/mips.c (override_options): Don't turn on extra
17021 alignment for mips16.
17023 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17025 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17026 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17029 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17031 * builtins.c (PAD_VARARGS_DOWN): Define.
17032 (std_expand_builtin_va_arg): Use the above macro.
17033 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17034 * tm.texi (Register Arguments): Document the above macro.
17036 2000-01-14 Nick Clifton <nickc@cygnus.com>
17038 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17039 that this function has not been used to emit a jump
17042 * jump.c (return_jump_1): Cope with being passed a null rtx.
17044 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17046 * eh-common.h: PROTO -> PARAMS.
17047 * emit-rtl.c: Likewise.
17048 * errors.c: Likewise.
17049 * errors.h: Likewise.
17050 * except.c: Likewise.
17051 * except.h: Likewise.
17052 * explow.c: Likewise.
17053 * expmed.c: Likewise.
17054 * expr.c: Likewise.
17055 * expr.h: Likewise.
17056 * final.c: Likewise.
17057 * fix-header.c: Likewise.
17058 * flow.c: Likewise.
17059 * fold-const.c: Likewise.
17060 * function.c: Likewise.
17061 * function.h: Likewise.
17063 * gcov-io.h: Likewise.
17064 * gcov.c: Likewise.
17065 * gcse.c: Likewise.
17067 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17069 * sh-protos.h: New file.
17071 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17072 Add static prototypes. Fix compile time warnings.
17074 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17078 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17080 * arc-protos.h: New file.
17082 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17085 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17088 * arc.md: Likewise.
17090 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17092 * dsp16xx-protos.h: New file.
17094 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17097 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17100 * dsp16xx.md: Likewise.
17102 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17104 * convex-protos.h: New file.
17106 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17109 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17112 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17114 * elxsi-protos.h: New file.
17116 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17119 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17122 * elxsi.md: Likewise.
17124 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17126 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17127 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17128 match the comment for MIPS16.
17130 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17132 * flow.c (split_edge): Do not call set_block_for_insn if we
17133 do not have a basic_block_for_insn structure.
17135 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17136 and destination functions are 32bit aligned within the trampoline.
17137 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17138 (TRAMPOLINE_ALIGNMENT): Define.
17140 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17141 (set (pc) (label_ref)), verify the change creates a valid insn.
17143 * fr30.c (call_operand): Tighten and rework to match rules for
17144 call RTL expressions.
17145 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17146 * fr30.md (call patterns): Improve constraints.
17148 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17150 * fr30.c (fr30_expand_epilogue): Revert last change.
17151 Use emit_jump_insn for the return insn.
17153 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17154 Stan Cox <scox@cygnus.com>
17156 * predict.c: New file. Preliminary infrastructure work for static
17157 branch prediction and basic block reordering.
17158 * basic-block.h: Add prototype for estimate_probability.
17159 * Makefile.in: Add rules for predict.o.
17161 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17163 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17164 * fixinc/*: Likewise.
17166 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17168 * cccp.c: PROTO -> PARAMS.
17169 * cexp.y: Likewise.
17170 * collect2.c: Likewise.
17171 * combine.c: Likewise.
17172 * convert.h: Likewise.
17174 * dbxout.c: Likewise.
17175 * dbxout.h: Likewise.
17176 * diagnostic.c: Likewise.
17177 * doprint.c: Likewise.
17178 * dwarf2out.c: Likewise.
17179 * dwarf2out.h: Likewise.
17180 * dwarfout.c: Likewise.
17181 * dwarfout.h: Likewise.
17182 * dyn-string.h: Likewise.
17184 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17186 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17187 macro conditionals guarding use.
17189 * dwarf2out.c: Include "tm_p.h".
17191 * function.c (locate_and_pad_parm): Mark parameter with
17193 (expand_function_end): Likewise for variable `context'.
17195 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17197 2000-01-13 Nick Clifton <nickc@cygnus.com>
17199 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17200 register to prevent compile time warnings.
17202 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17204 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17205 to avoid -Wtraditional warning.
17207 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17209 * 1750a-protos.h: New file.
17211 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17214 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17217 * 1750a.md: Likewise.
17219 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17221 * a29k-protos.h: New file.
17223 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17226 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17229 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17231 * clipper-protos.h: New file.
17233 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17236 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17239 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17241 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17243 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17245 * configure.in (--enable-new-gxx-abi): New option.
17246 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17247 * Makefile.in (GXX_ABI_FLAG): New variable.
17248 * configure: Regenerate.
17250 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17252 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17253 * tm.texi (FORCE_STRUCT_BLK): Document.
17254 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17256 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17258 * config/ns32k/ns32k.md: Revert Jan 9 change.
17260 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17261 to a mode-test, if the predicate is address_operand.
17263 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17265 * combine.c (if_then_else_cond): Be careful about what kinds
17266 of RTL expressions are passed to operand_subword.
17268 * flow.c (split_edge): If we have to insert a new jump, make
17269 sure to associate it with a basic block.
17271 * flow.c (commit_one_edge_insertion): A block with one successor
17272 can end in a JUMP_INSN that is not a simplejump.
17274 2000-01-12 Robert Lipe <robertl@sco.com>
17276 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17277 (BUILD_VA_LIST_TYPE): Define.
17278 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17281 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17283 * cccp.c (do_pragma): Add cast to (char *).
17285 2000-01-12 Richard Henderson <rth@cygnus.com>
17286 Fred Fish <fnf@be.com>
17287 Jason Merrill <jason@cygnus.com>
17289 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17290 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17291 * i386/beos-elf.h, i386/beos-pe.h: New files.
17293 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17294 * cross-make (SYSTEM_HEADER_DIR): Define using
17295 CROSS_SYSTEM_HEADER_DIR.
17297 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17298 (process_command): Use it.
17299 (main): Likewise. Kill trailing = from env vars.
17300 (build_search_list): Put it back.
17301 * collect2.c (main): Use LIBRARY_PATH_ENV.
17303 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17304 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17306 * tm.texi (Frame Layout): Document SMALL_STACK.
17307 * c-common.c (c_common_nodes_and_builtins): Check it.
17309 * system.h: Undef alloca after including glibc's <stdlib.h>,
17310 if USE_C_ALLOCA is defined.
17312 * gcc.c (set_input): New fn.
17313 (main): After all input files are compiled, reset the input file
17316 * aclocal.m4 (rindex, index): If already defined, don't attempt
17319 * ginclude/varargs.h: (__va_list__): Define ifndef.
17320 * ginclude/stdarg.h: Likewise.
17322 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17323 instead of unsigned char.
17325 * hash.h (true, false, boolean): Undef before enum.
17327 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17328 proper type of "HOST_WIDE_INT *", rather than their natural type of
17329 "unsigned HOST_WIDE_INT *".
17331 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17333 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17335 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17337 * regclass.c (choose_hard_reg_mode): Likewise.
17339 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17341 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17343 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17345 * c-common.c: PROTO -> PARAMS.
17346 * c-common.h: Likewise.
17347 * c-decl.c: Likewise.
17348 * c-iterate.c: Likewise.
17349 * c-lang.c: Likewise.
17350 * c-lex.c: Likewise.
17351 * c-lex.h: Likewise.
17352 * c-parse.in: Likewise.
17353 * c-pragma.c: Likewise.
17354 * c-pragma.h: Likewise.
17355 * c-tree.h: Likewise.
17356 * c-typeck.c: Likewise.
17357 * objc/objc-act.c: Likewise.
17358 * objc/objc-act.h: Likewise.
17360 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17362 * m88k-protos.h: New file.
17364 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17367 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17369 * m88k.md: Likewise.
17371 * tekXD88.h: Likewise.
17373 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17375 * m68k-protos.h: New file.
17377 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17380 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17382 * mot3300.h: Likewise.
17384 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17386 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17388 (extract_bitlist): Declare bitlen.
17390 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17392 * cccp.c: Accept and ignore -lang-fortran.
17394 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17395 qualifiers don't match at any level of pointerness.
17397 2000-01-12 Robert Lipe <robertl@sco.com>
17399 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17401 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17403 * reload1.c (reload_reg_unavailable): New static variable.
17404 (reload_reg_free_p): Test it.
17405 (reload_reg_free_for_value_p): Test it instead of
17407 (choose_reload_regs_init): Compute it.
17409 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17411 * reorg.c (fill_slots_from_thread): Check modified_in_p
17414 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17416 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17417 these nodes even if INTERNALS is not set.
17419 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17421 * gcse.c (delete_null_pointer_checks_1): Cope when
17422 get_condition cannot determine the condition.
17424 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17426 * toplev.h (set_message_length): Declare.
17428 * diagnostic.c (obstack_chunk_alloc): Define macro.
17429 (obstack_chunk_free): Likewise.
17430 (struct output_buffer): New data structure.
17431 (vmessage): Remove.
17432 (output_maximum_width): New variable.
17433 (doing_line_wrapping, set_message_length, init_output_buffer,
17434 get_output_prefix, output_space_left, emit_output_prefix,
17435 output_newline, output_append, output_puts, dump_output,
17436 vbuild_message_string, build_message_string, build_location_prefix,
17437 voutput_notice, output_printf, line_wrapper_printf,
17438 vline_wrapper_message_with_location): New functions. Implement
17439 automatic line wrapping.
17440 (v_message_with_decl): Make it handle automatic line wrapping.
17441 (v_error_with_file_and_line): Likewise.
17442 (v_warning_with_file_and_line): Likewise.
17443 (announce_function): Likewise.
17444 (default_print_error_function): Likewise.
17446 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17448 * cpplib.h (struct cpp_options): Change lang_asm to char.
17450 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17451 done in cpp_handle_option now.
17452 (initialize_builtins): Take out special case code used only by
17454 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17455 if -traditional. Recognize -lang-fortran and set
17456 lang_fortran, also turn off cplusplus_comments.
17457 (print_help): Document -lang-fortran.
17458 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17459 lang_asm. Ignore all directives other than `# 123 "file"' if
17461 (cpp_get_token): If -traditional, don't recognize directives
17462 unless the # is in column 1.
17463 (parse_string): If lang_fortran or lang_asm, silently
17464 terminate strings ('' or "") at end of line.
17465 Remove unnecessary braces.
17467 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17468 Richard Henderson <rth@cygnus.com>
17470 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17472 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17473 strict_low_part when possible.
17475 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17477 * alias.c: PROTO -> PARAMS.
17478 * basic-block.h: Likewise.
17479 * bitmap.c: Likewise.
17480 * bitmap.h: Likewise.
17481 * builtins.c: Likewise.
17482 * c-aux-info.c: Likewise.
17483 * caller-save.c: Likewise.
17484 * calls.c: Likewise.
17486 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17488 * Makefile.in (toplev.o): Depend on regs.h.
17490 * output.h (tdesc_section): Prototype.
17492 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17494 * sdbout.c: Include "tm_p.h".
17496 * toplev.c: Include "regs.h".
17498 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17500 * unroll.c (unroll_loop): Add EH support.
17502 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17504 * pa-protos.h: New file.
17506 * pa.c: Include recog.h and tm_p.h.
17507 (compute_zdepwi_operands, compute_movstrsi_length,
17508 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17509 find_addr_reg, import_milli): Add static prototypes.
17510 (pa_cpu_string, pa_arch_string): Constify a char*.
17511 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17512 (read_only_operand): Add argument `mode'.
17513 (singlemove_string, output_move_double, output_fp_move_double,
17514 output_block_move, output_and, output_ior, output_ascii,
17515 remove_useless_addtr_insns, milli_names, output_mul_insn,
17516 output_div_insn, output_mod_insn, output_arg_descriptor,
17517 output_cbranch, output_bb, output_bvb, output_dbra, ,
17518 output_millicode_call, output_call, hppa_encode_label,
17519 output_parallel_movb, output_parallel_addb): Constify a char*.
17520 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17521 (output_parallel_addb): Remove extra arg to `constrain_operands'
17523 * pa.h: Move all prototypes to pa-protos.h.
17524 (pa_cpu_string, pa_arch_string): Constify a char*.
17525 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17527 * pa.md: Call `function_label_operand' with mode argument.
17528 Likewise for `read_only_operand'.
17529 Fix nesting of parens in call to `symbolic_operand'.
17531 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17533 * i860-protos.h: New file.
17535 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17538 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17540 * i860.md: Likewise.
17542 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17544 * i386.md (movstrsi expander): Rewrite.
17545 (movstrsi_1 insn): Deleted.
17546 (strmovhi, strmovqi expander): New expanders.
17547 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17548 * i386.c (x86_single_stringop): New global variable.
17549 * i386.h (x86_single_stringop): Declare.
17550 (TARGET_SINGLE_STRINGOP): New macro.
17552 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17554 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17555 integer vararg POSTINCREMENT before the destination of the jump
17556 for the hard fp case.
17557 (function_arg_pass_by_reference): Pass a copy of CUM to
17560 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17561 for CONSTANT_ADDRESS_P above while loop for subreg.
17563 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17565 * flow.c (propagate_block): When a prologue/epilogue insn
17566 is marked dead, unconditionally clear libcall_is_dead and
17567 insn_is_dead, and only dump rtl if warnings aren't being
17570 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17572 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17573 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17574 (FIXED_REGISTERS): Set dirflag as fixed.
17575 (CALL_USED_REGISTERS): Set dirflag as used.
17576 (REG_ALLOC_ORDER): Set dirflag as last one.
17577 (DIRFLAG_REG): New macro.
17578 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17579 (HI_REGISTER_NAMES): Add dirflag.
17580 (DEBUF_PRINT_REG): Handle dirflag.
17581 * i386.md (type attribute): New cld and str types.
17582 (length_opcode attribute): Set cld and str to 1.
17583 (memory attribute): Set str to unknown - it is not clear from the
17585 (pent_np function unit): Prefixed string operations takes 12 cycles
17586 minimally; cld takes 2 cycles.
17587 (ppro_uops attribute): Str is "many" and cld is "few".
17588 (ppro_p0 unit): Handle cld here.
17589 (k6_alux unit): Handle cld and str types.
17590 (k6_load unit): It is ocupied by str opcodes.
17591 (k6_store unit): It is ocupied by str opcodes.
17592 (athlon_decode): Str is vector decoded.
17593 (athlon_ieu): Handle str and cld.
17594 (cld pattern): New.
17595 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17596 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17597 cmpstrsi_nz_1 insn): Do not output cld instruction
17599 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17601 * gcc.texi (G++ and GCC): Add Java and Chill.
17602 (Bug Critera): Don't list languages.
17604 * gcc.texi (Incompatibilities): No longer claim most C compilers
17607 * gcc.texi (G++ and GCC): Update other front-ends list.
17609 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17611 * i386.c (ix86_expand_setcc): Fix typo.
17612 (ix86_expand_movcc): Similarly.
17614 * Band-aid until haifa's bitset implementation is nuked.
17615 * haifa-sched.c (extract_bitlst): New parameter for size of the
17616 bitset in bits. All callers changed. Avoid looking at undefined
17617 bits in the bitset.
17618 (edgeset_bitsize): New variable.
17619 (schedule_region): Initialize edgeset_bitsize.
17621 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17623 * Makefile.in (optabs.o): Depend on real.h
17624 (resource.o): Depend on insn-attr.h
17626 * builtins.c (result_vector): Wrap prototype in macro conditions
17627 governing definition and use.
17629 * c-common.c: Include tm_p.h.
17631 * c-lex.c: Likewise.
17633 * elfos.h: Constify a char*.
17635 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17636 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17637 parameter with ATTRIBUTE_UNUSED.
17639 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17642 * haifa-sched.c (schedule_insns): Mark parameter with
17645 * optabs.c: Include real.h.
17647 * real.h (ereal_atof): Add prototype arguments.
17649 * resource.c: Include insn-attr.h.
17651 * sdbout.c (sdbout_queue_anonymous_type,
17652 sdbout_dequeue_anonymous_types): Wrap in macro
17653 SDB_ALLOW_FORWARD_REFERENCES.
17654 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17657 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17659 * stupid.c: Include tm_p.h.
17661 * tree.c (real_value_from_int_cst): Mark parameter with
17664 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17666 * i960-protos.h: New file.
17668 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17671 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17673 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17675 * combine.c (expand_field_assignment): Do not discard SUBREGs
17676 while computing nonzero_bits.
17678 2000-01-09 Nick Clifton <nickc@cygnus.com>
17680 * config/arm/arm.c: Fix compile time warnings about signed vs
17681 unsigned constants.
17682 * config/arm/arm.h: Fix compile time warnings about signed vs
17683 unsigned constants.
17685 2000-01-09 Philip Blundell <philb@gnu.org>
17687 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17688 than `ldm' with only one register.
17689 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17692 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17695 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17697 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17700 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17702 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17703 assignment used as truth value.
17705 * function.c (assign_temp): Mark parameter `dont_promote' with
17706 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17707 PROMOTE_FOR_CALL_ONLY.
17709 * genrecog.c (write_subroutine): Mark variable `operands' with
17712 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17715 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17716 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17718 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17721 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17723 * config/c4x.h: Tidy up comments.
17724 * config/c4x.c: Likewise.
17726 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17728 * fold-const.c (lshift_double, rshift_double): Handle
17729 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17731 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17733 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17734 in prepare_function_start().
17736 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17738 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17739 longer allocate extra stack for function calls.
17741 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17743 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17745 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17747 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17749 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17751 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17752 * aix43.h: Revert Aug 2 change.
17753 (HAS_INIT_SECTION): Define, not visible yet.
17754 (LD_INIT_SWITCH): Define, not visible yet.
17755 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17757 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17759 * collect2.c (main): Expand ld2 size further.
17760 (export_object_lst): Cast assignment to avoid warning.
17761 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17762 (scan_prog_file, COFF): Do not collect initialization or
17763 finalization functions generated for entire shared object if
17764 init/fini support present.
17766 2000-01-07 Nick Clifton <nickc@cygnus.com>
17768 * config/elfos.h: Tidy up formatting of marcos. Make sure
17769 that .section directives are always prefixed by a tab.
17771 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17774 2000-01-07 Matt Austern <austern@sgi.com>
17776 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17779 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17781 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17783 (crtbegin.o, s-crtS): Likewise.
17785 2000-01-06 Richard Henderson <rth@cygnus.com>
17787 * alpha.md (adddi_2+1): Limit offset such that it will be
17788 loadable with a single ldah+lda pair.
17789 (adddi_2+2): Explicitly fail split if we can't make it work.
17791 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17793 * protoize.c: Conditionally include unistd.h.
17794 (IS_SAME_PATH_CHAR): New macro.
17795 (IS_SAME_PATH): New macro.
17796 (CPLUS_FILE_SUFFIX): New macro.
17797 (cplus_suffix): New static variable.
17798 (is_abspath): New static function.
17799 (in_system_include_dir): Handle DOS style pathnames.
17800 (file_could_be_converted): Likewise.
17801 (file_normally_convertible): Likewise.
17802 (directory_specified_p): Likewise.
17803 (file_excluded_p): Likewise.
17804 (abspath): Likewise.
17805 (shortpath): Likewise.
17806 (referenced_file_is_newer): Likewise.
17807 (save_def_or_dec): Likewise.
17808 (do_processing): Likewise.
17810 (edit_file): Likewise. Use rename instead of link.
17811 (rename_c_file): Likewise. Don't rename syscalls file.
17812 (munge_compile_params): Define null device for DOS based systems.
17813 (process_aux_info_file): Use binary mode if appliable.
17814 (edit_file): Likewise.
17815 * invoke.texi (Running Protoize): Document C++ suffixes used.
17817 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17818 IS_DIR_SEPARATOR macros.
17819 * collect2.c: Likewise.
17820 * cppinit.c: Likewise.
17821 * dwarf2out.c: Likewise.
17823 * gcov.c: Likewise.
17824 * prefix.c: Likewise.
17826 * toplev.c: Likewise.
17827 * system.h: And move to here.
17829 * prefix.c (update_path): Fix typo in variable name.
17831 2000-01-06 Richard Henderson <rth@cygnus.com>
17833 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17834 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17835 (count_reg_sets_1, count_reg_references): Likewise.
17836 (flow_loops_level_compute): Start counting actual loop depth at 1.
17837 (flow_loops_find): Likewise.
17838 * local-alloc.c (update_equiv_regs): Likewise.
17839 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17841 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17843 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17844 FIRST_PSEUDO_REGISTER
17845 * dwarf2out.c: Don't include frame.h
17846 * dwarfout.c: Likewise
17847 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17850 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17852 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17855 * i386.c (movsf splitter): Fix typo in my last checkin.
17857 2000-01-05 Nick Clifton <nickc@cygnus.com>
17859 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17860 own definition of this macro.
17861 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17862 flag_data_sections or UNIQUE_SECTION_P are true.
17864 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17865 unitialised data decls.
17867 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17868 being called for uninitialised data.
17870 * config/i386/interix.c (i386_pe_unique_section): Cope with
17871 being called for uninitialised data.
17873 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17874 for uninitialised data.
17876 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17877 for uninitialised data.
17879 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17880 for uninitialised data.
17882 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17883 (UNIQUE_SECTION_P): Always generate a unique section if
17884 flag_data_sections is true.
17885 (UNIQUE_SECTION): Also generate unique sections for
17886 uninitialised data.
17887 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17888 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17891 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17893 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17896 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17898 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17899 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17900 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17901 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17902 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17904 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17906 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17908 * c-decl.c (finish_enum): Simplify code to determine minimum and
17909 maximum values of the enum, and calculate the type. Remove check
17910 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17911 the DECL_INITIAL of each enumeration constant with a copy converted
17912 to the enumeration type. When updating variant types, don't bother
17913 updating the type itself.
17915 * c-typeck.c (build_binary_op): Simplify conditional expressions
17916 when weeding out spurious signed-unsigned warnings. Add new
17917 spurious warning category: if the unsigned quantity is an enum
17918 and its maximum value fits in signed_type(result_type). Update
17920 (build_conditional_expr): Warn here if one alternative is signed
17921 and the other is unsigned.
17923 2000-01-05 Nick Clifton <nickc@cygnus.com>
17925 * config/fr30/fr30.h: Remove extraneous comments.
17927 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17929 * reload1.c (choose_reload_regs): When disabling a reload, also
17930 set reload_spill_index to -1.
17932 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17934 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17936 (m68*-*-rtemself*): New target.
17937 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17938 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17939 (sparc*-*-rtemself*): New target.
17940 (sparc*-*-rtems*): Now elf not a.out.
17941 * config/i386/rtems.h: Include config/rtems.h.
17942 * config/i386/rtemself.h: Include config/rtems.h.
17943 * config/i960/rtems.h: Include config/rtems.h.
17944 * config/m68k/rtems.h: Include config/rtems.h.
17945 * config/m68k/rtemself.h: Include config/rtems.h.
17946 * config/mips/rtems64.h: Include config/rtems.h.
17947 * config/pa/rtems.h: Include config/rtems.h.
17948 * config/rs6000/rtems.h: Include config/rtems.h.
17949 * config/sh/rtems.h: Include config/rtems.h.
17950 * config/sh/rtemself.h: Include config/rtems.h.
17951 * config/sparc/rtems.h: Include config/rtems.h.
17952 * config/sparc/rtemself.h: Include config/rtems.h
17954 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17956 * final.c (shorten_branches): Correctly compute length of
17957 asms without operands.
17959 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17961 * configure.in: Add pj target.
17962 * configure: Regenerate.
17963 * config/pj: New directory.
17964 * config/pj/lib1funcs.S: New file.
17965 * config/pj/linux.h: New file.
17966 * config/pj/pj.c: New file.
17967 * config/pj/pj.md: New file.
17968 * config/pj/pjl.h: New file.
17969 * config/pj/t-pj: New file.
17970 * config/pj/xm-pj.h: New file
17972 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17974 * toplev.c (rest_of_compilation): Run shorten-branches before
17977 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17979 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17980 macros so that they're consistent with their names.
17981 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17982 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17984 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17986 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17987 modified inadvertently.
17989 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17991 * configure.in (v850*-*-rtems*): New target.
17992 * configure: Regenerate.
17993 * config/v850/rtems.h: New file.
17995 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17997 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17998 (__gthread_key_create): Likewise.
17999 (__gthread_key_dtor): Likewise.
18000 (__gthread_once): Fix logic.
18001 (__gthread_key_delete): Cast away constness.
18003 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18004 * invoke.texi: Document.
18005 * i386/mingw32.h (CPP_SPEC): Use.
18006 (LIBGCC_SPEC): Likewise.
18007 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18009 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18011 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18012 (HANDLE_PRAGMA_PACK): Undefine.
18013 (SLOW_UNALIGNED_ACCESS): Define.
18015 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18017 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18018 to default definition.
18019 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18020 (store_fixed_bit_field): Call macro with word_mode and alignment.
18021 (extract_bit_field): Call macro with relevant mode and alignment.
18022 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18023 to default definition.
18024 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18026 (move_by_pieces_ninsns): Likewise.
18027 (clear_by_pieces): Likewise.
18028 (emit_push_insn): Likewise.
18029 (store_field): Call macro with relevant mode and alignment.
18030 (expand_expr): Likewise.
18031 (expand_expr_unaligned): Likewise.
18033 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18034 (SLOW_UNALIGNED_ACCESS): Define.
18035 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18036 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18037 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18038 (toc_section): Likewise and .toc pseudo-op.
18039 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18041 (TEXT_SECTION_ASM_OP): Likewise.
18042 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18045 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18046 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18047 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18048 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18049 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18051 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18053 * regclass.c: Revert my Jan 4 change to loop cost computation.
18055 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18057 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18060 2000-01-04 Stan Cox <scox@cygnus.com>
18062 * haifa-sched.c (build_control_flow): Change unreachable simple
18063 loop test to check if current block has only one predecessor.
18064 (find_rgns): Initialize degree. Use dest as degree index, not src.
18066 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18068 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18070 * calls.c (expand_call): Likewise for
18071 `old_stack_arg_under_construction'.
18073 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18075 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18078 * gcc.c (execute): Likewise for `ut' and `st'.
18080 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18082 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18084 * jump.c (jump_optimize_1): Likewise for `temp2'.
18086 * local-alloc.c (block_alloc): Likewise for `r1'.
18088 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18090 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18091 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18093 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18096 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18097 and `goal_earlyclobber'.
18099 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18101 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18103 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18105 * unroll.c (copy_loop_body): Likewise for `copy'.
18107 * varasm.c (output_constructor): Likewise for `byte'.
18109 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18111 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18112 all FP constants for constant->reg moves.
18113 (ix86_split_to_parts): Try to convert memory address into immediate
18114 when available in the constant pool.
18115 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18117 (LEGITIMATE_CONSTANT_P): Return 1.
18118 * i386.md (pushsf): New splitter to convert constant pool memory
18119 reference to immediate.
18120 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18123 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18125 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18126 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18127 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18128 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18129 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18131 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18133 * ginclude/stdbool.h: Support compilation as C++.
18135 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18137 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18139 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18141 * regclass.c (regclass): Properly compute loop_cost. Adjust
18144 * regclass.c: Fix minor whitespace problems.
18146 2000-01-03 Anthony Green <green@cygnus.com>
18148 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18149 Restore the pic register if required.
18151 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18153 * c-common.c (format_char_info): Update comment.
18154 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18155 was recognized. Emit warning for formats new in ISO C99 only
18156 if flag_isoc9x is not set.
18158 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18160 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18162 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18164 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18165 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18166 (make_compound_operation): Choose cheaper alternative between
18167 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18169 * regclass.c (op_costs): Remove global variable.
18170 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18171 (record_operand_costs): Break out from ...
18172 (scan_one_insn): ... here.
18173 (dump_regclass): Make dumps nicer.
18174 (regclass): Dump preferrences choosed and changes done during passes.
18176 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18178 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18180 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18182 * config/sparc/sparc.c (gen_df_reg): New function.
18183 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18184 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18185 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18186 movtf_cc_reg_sp64+1): Use it.
18188 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18190 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18191 copied LABEL_DECLs.
18193 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18195 * config/i386/i386.c (ix86_expand_unary_operator): Function
18196 definition made void.
18197 (ix86_expand_binary_operator): Update outdated preceding comment.
18198 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18201 * config/i386/i386.c (override_options): Fix option-name typo.
18203 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18205 * system.h (CEIL): Define.
18206 * builtins.c (CEIL): Remove.
18207 * expmed.c (CEIL): Likewise.
18208 * expr.c (CEIL): Likewise.
18209 * stor-layout.c (CEIL): Likewise.
18211 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18213 * expr.c (store_constructor_field): Fix typo introduced with last
18216 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18218 * tree.h (BINFO_N_BASETYPES): New macro.
18220 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18222 * expmed.c (emit_store_flag): Prevent losing a pending stack
18223 adjust the same way we prevent losing queued increments.
18225 See ChangeLog.2 for earlier changes.