1 2000-07-17 Jason Merrill <jason@redhat.com>
3 * Makefile.in (clean): Remove libgcc directory.
5 * configure.in (-Wno-long-long check): Use higher-level macros.
7 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
9 * simplify-rtx.c (simplify_binary_operation): Recognize
10 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
11 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
12 a CONST_INT, it will always be zero.
14 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
16 * loop.c (check_dbra_loop) : Return if more than one condition is
17 present to control the loop.
19 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
21 * mips.c (mips_expand_prologue): Don't calculate the last argument
22 register unless we need it. When we are calculating this, make
23 sure FUNCTION_ARG is giving us a REG.
25 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
27 * flow.c (libcall_dead_p): Use single_set to verify the insn
28 has only one set and get for analysis.
29 (propagate_one_insn): Don't pass the PATTERN of the insn.
31 2000-07-17 Mark Klein <mklein@dis.com>
33 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
35 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
37 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
38 * configure.in (TARGET_GETGROUPS_T): Evaluate.
39 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
40 of second argument of getgroups.
41 * configure, config.in: Rebuilt.
43 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
45 * simplify-rtx.c (simplify_relational_operation): Two signed
46 values with equal high words are less/greater than each other if
47 their low words are less/greater when considered as unsigned.
49 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
51 * configure.in (vax-*-openbsd): Change to new style configuration,
52 add collect2/float_format information.
54 * config/vax/openbsd1.h: New.
55 * config/vax/openbsd.h: New.
56 * config/vax/t-openbsd: New.
58 2000-07-17 Chip Salzenberg <chip@valinux.com>
60 * c-common.c (shorten_compare): Quiet warnings about unsigned
61 comparisons with zero when they occur in a system header.
63 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
65 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
66 update to describe current practice.
68 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
70 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
71 references to C9X. Change references to -fstd and -flang-isoc9x
74 * c-common.c (scan_char_table): Allow "z" length modifiers on
76 (check_format_info): Use TYPE_DOMAIN on the type matched against
77 for "z" formats, to retrieve the language size_t rather than the
80 * c-common.c (check_format_info): Do not make a pedantic objection
81 to the 'L' length modifier if used with a floating point type
84 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
85 constants in C99 mode.
87 2000-07-17 Kazu Hirata <kazu@hxi.com>
89 * h8300.md: Fix the format of mac.
90 (movsi_h8300hs): Output a tab after stmac instead of a space.
92 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
93 profitable adds/subs sequences.
95 * fold-const.c: Fix comment typos.
97 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
99 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
101 2000-07-16 Mark Mitchell <mark@codesourcery.com>
103 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Fix typo.
105 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
107 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
109 2000-07-16 Neil Booth <NeilB@earthling.net>
111 * cpplex.c: Update comments.
112 * README.Portability: Small update.
114 2000-07-16 Neil Booth <NeilB@earthling.net>
116 * README.Portability: Small update.
118 2000-07-15 Richard Henderson <rth@cygnus.com>
120 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
121 * config/ia64/ia64.c (ia64_move_ok): New function.
122 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
123 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
125 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
127 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
128 immediately following a paste operator.
129 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
130 (cpp_reader_init): Call it, if HOST_EBCDIC.
131 (cpp_handle_options): Do not sort option list here.
132 (handle_option): Rename to cpp_handle_option and export.
133 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
134 _cpp_get_token directly.
135 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
136 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
137 * cpplib.h: Prototype cpp_handle_option. Update prototype of
140 2000-07-15 Richard Henderson <rth@cygnus.com>
142 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
143 cast around an expression. Tidy other unsigned tests.
145 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
147 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
148 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
149 (v_message_with_decl): Rename to ...
150 (format_with_decl): ... this. Tweak
151 (diagnostic_for_decl): New function.
152 (fatal_io_error): Use verbatim in lieu of notice.
153 (announce_function): Use verbatim.
154 (default_print_error_function): Likewise.
155 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
158 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * mips.c (function_arg_pass_by_reference): Don't do automatic
161 aggregate initialization.
162 (machine_dependent_reorg): Initialize variable `mode'.
164 * mips.md (absdi2): Change variable `regno1' to unsigned int.
165 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
166 conflicts with sys/param.h macro of the same name.
167 (reload_outdi): Likewise.
169 2000-07-15 Michael Meissner <meissner@redhat.com>
171 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
172 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
173 create a new node instead.
175 2000-07-15 Neil Booth <NeilB@earthling.net>
177 * README.Portability: Correct example about calling a function
178 through a pointer to function. Format wide paragraphs.
180 2000-07-15 Michael Meissner <meissner@redhat.com>
182 * README.Portability: Update integer suffixes and function
185 2000-07-15 Neil Booth <NeilB@earthling.net>
187 * README.Portability: Small update.
189 2000-07-15 Neil Booth <NeilB@earthling.net>
191 * README.Portability: New file.
193 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
195 * INSTALL: Give special instructions for building GCC on Irix 6.
196 * config/mips/x-iris6 (CC): Don't set it.
199 2000-07-14 Jason Merrill <jason@redhat.com>
201 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
202 register in the stack and later in another register, use the new
205 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
207 * config/mips/mips.md: (absdi2): Handle sign_extend for
210 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
212 * cpplib.c (do_pragma_dependency): Tidy warning messages.
214 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
216 * .cvsignore: Correct typo.
218 2000-07-13 Mark Mitchell <mark@codesourcery.com>
220 * .cvsignore: Add generated YACC files.
221 * objc/.cvsignore: New file.
223 2000-07-14 Neil Booth <NeilB@earthling.net>
225 * cpplex.c (adjust_column): New funcion.
226 (skip_whitespace): Use it.
227 (skip_block_comment): Use it, and warn about /*/* with
230 2000-07-14 Neil Booth <NeilB@earthling.net>
232 * cpphash.c (struct macro_info): Add new members.
233 (_cpp_free_definition): Delete the macro directly.
234 (count_params): Return void, with first token of
235 expansion in struct macro_info on success.
236 (parse_define): Return int. Hoist syntax checking from
237 save_macro_expansion. Leave call to save_expansion to
238 _cpp_create_definition.
239 (alloc_macro): Needs just 2 arguments.
240 (free_macro): Delete.
241 (save_expansion): Don't perform syntax check.
242 (_cpp_create_definition): Call save_expansion.
244 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
246 * genrecog.c (write_header): Split long string.
248 * cpphash.c (macro_info): Don't use the `signed' keyword.
250 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
252 2000-07-13 Jakub Jelinek <jakub@redhat.com>
254 * calls.c (stored_args_map): New variable.
255 (check_sibcall_argument_overlap_1): New.
256 (check_sibcall_argument_overlap): New.
257 (expand_call): Initialize stored_args_map.
258 Call check_sibcall_argument_overlap.
260 2000-07-13 Bruce Korb <bkorb@gnu.org>
262 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
263 (emit_gnu_type): utility procedure for gnu_type_fix
264 (gnu_type_fix): implement various pre-processor guards around
265 standard types so these types can be defined over and over
266 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
267 types alluded to above will have GNU-compliant base types
268 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
269 * fixinc/inclhack.def: add test_text entries and utilize the new
270 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
271 * fixinc/fixincl.x: regenerate
273 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
275 * diagnostic.c (vline_wrapper_message_with_location,
276 v_message_with_file_and_line, v_error_with_file_and_file,
277 v_error_for_asm, v_warning_for_asm, vfatal,
278 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
279 vsorry, verror, vwarning, vpedwarn): Remove.
280 (diagnostic_for_asm): New function.
281 (pedwarn, error, warning, pedwarn_with_file_and_line,
282 error_with_file_and_line, warning_with_file_and_line, sorry,
283 error_for_asm, warning_for_asm, fatal): Reimplement.
284 (finish_diagnostic): Clear diagnostic info as well.
286 2000-07-13 Neil Booth <NeilB@earthling.net>
288 * c-common.h (flag_digraphs): New.
289 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
290 * c-lex.c (yylex): Use flag_digraphs to decide whether to
293 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
295 * gcc.c (do_spec_1): Add new %B operator.
296 (set_input): Prepare for %B.
298 (link_command_spec): Move up with the other tm.h-
299 overrideable specs. Factor out the portion conditional on
300 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
301 (struct compiler): Just have a single spec string. All users
303 (default_compilers): Remove unnecessary braces.
304 (static_specs): Update.
306 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
308 (C and assembly specs): Use the new named specs, as appropriate.
310 * objc/lang-specs.h: Use the new named specs.
311 Remove unnecessary braces.
313 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
315 * gcc.c (execute): If a subprocess gets a fatal signal, report
316 strsignal() of the signal number, and ask for a bug report.
317 Do not do this for SIGPIPE if there's already been an error.
319 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
324 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
326 * final.c (profile_function): Do not emit profile counters in
327 the data section, if NO_PROFILE_COUNTERS is defined.
328 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
331 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
332 (FUNCTION_PROFILER): Just emit a call to mcount.
334 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
336 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
338 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
339 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
340 traditional, lang_chill, or lang_fortran.
342 * cppfiles.c: #undef strcmp to suppress warning about macros
343 used without arguments.
344 (_cpp_execute_include): Use f, not fname, in "No include path"
346 (_cpp_pop_file_buffer): New function.
347 * cpplib.c: Don't include <sys/mman.h>.
348 (cpp_push_buffer): Set line_base and lineno in new buffer.
349 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
351 * cpplex.c: Move all prototypes and structure declarations to the
352 top of the file. Properly parenthesise some macro arguments.
353 (cpp_scan_line): New function.
354 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
355 don't need to walk up the stack counting.
357 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
359 * c-common.c (combine_strings): Emit a pedantic warning when a
360 string length is greater than the minimum ANSI C is required
363 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
365 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
366 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
368 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * c-decl.c (define_label): Warn about identifier conflicts with
371 labels in traditional C.
373 * c-parse.in (unop +): Warn about the unary plus operator for
376 * c-typeck.c (store_init_value): Warn about automatic aggregate
377 initialization for traditional C.
379 * invoke.texi (-Wtraditional): Document new warnings.
381 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
383 * Makefile.in (c-errors.o): Fix thinko in dependency.
385 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
387 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
388 -traditional, -ftraditional, or -traditional-cpp was given.
389 Do not pass -traditional to the preprocessor.
390 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
391 preprocessor does it automatically.
392 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
394 * ch/lang-specs.h: Always use tradcpp. Do not pass
395 -traditional, -trigraphs, or -pedantic to the preprocessor.
396 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
399 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
401 * cppexp.c (LOGICAL): Delete macro.
402 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
405 * cpphash.c (HASHSIZE): Increase to 4096.
406 (struct hashdummy): Add hash field.
407 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
408 the string values using memcmp.
409 (cpp_lookup): Set dummy.hash.
411 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
413 * configure.in (m88k-openbsd): Express configuration using new fragment
415 * configure: Rebuilt.
416 * m88k/aout-dbx.h: New.
417 * m88k/openbsd.h: New.
418 * m88k/xm-openbsd.h: New.
420 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
422 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
424 2000-07-12 Richard Henderson <rth@cygnus.com>
426 * reload.c (push_secondary_reload): Make sure to add the new
427 reload at the end, after acquiring secondary memory.
429 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
431 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
433 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
434 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
436 * c-parse.in (stmt): Delete unused variables.
438 * convert.c (convert_to_vector): Likewise.
440 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
442 * tree.c (finish_vector_type): Prototype.
444 2000-07-12 Bruce Korb <bkorb@gnu.org>
446 * fixinc/fixfixes.c: use xmalloc
447 * fixinc/fixincl.c(initialize): set program name for xmalloc
448 * fixinc/fixlib.c(must_malloc): obsolete
449 (is_cxx_header): no longer used - disabled
450 (skip_quote): inserted and disabled for future use
451 * fixinc/fixlib.h: reflects above
452 * fixinc/fixtests.c: removed dinkleberries
454 2000-07-12 Neil Booth <NeilB@earthling.net>
456 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
457 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
459 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
460 struct toklist_dummy): New.
461 (cpp_free_definition): Free macros with free_macro.
462 (count_params): Don't save paramter spellings. Save macro
463 information in a struct macro_info.
464 (parse_define): Don't allocate a token list.
465 (save_expansion): Allocate the macro's token list, and
466 save parameter spellings if necessary. Use TOKEN_SPELL.
467 (cpp_create_definition): Make list const.
469 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
471 * c-typeck.c (pedwarn_c99): Move to
472 * c-errors.c: ... Here.
473 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
474 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
475 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
476 (c-errors.o): List dependency.
478 2000-07-12 Mark Mitchell <mark@codesourcery.com>
481 * c-parse.h: Likewise.
482 * c-parse.y: Likewise.
483 * objc/objc-parse.c: Likewise.
484 * objc/objc-pasre.y: Likewise.
486 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
488 * gcc.texi: Fix minor typos
489 * extend.texi: Fix minor typos
491 2000-07-11 Marc Espie <espie@openbsd.org>
493 * collect2.c (main): Recognize .lo as object files.
495 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
497 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
500 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
501 with MAP_ANONYMOUS and MAP_ANON.
502 * configure, config.in: Rebuilt.
504 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
506 * diagnostic.c (save_output_state): Remove.
507 (restore_output_state): Likewise.
508 (clear_text_info): New function.
509 (clear_diagnostic_info): Likewise.
510 (output_text_length, is_starting_newline, output_prefix,
511 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
512 prefixing_policy, output_buffer_ptr_to_format_args): New macros
513 (set_real_maximum_length, output_set_maximum_length,
514 output_set_prefix, output_get_prefix, output_set_maximum_length,
515 output_destroy_prefix, init_output_buffer,
516 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
517 output_add_newline, output_add_character, output_add_space,
518 output_append_r, output_append, wrap_text, output_format,
519 output_do_printf, output_printf, output_do_verbatim,
520 output_verbatim, verbatim): Use them.
521 (output_clear): Split into cleat_text_info and
522 clear_diagnostic_info.
523 (struct output_state): Move to...
525 * diagnostic.h: ...Here
526 (struct output_buffer): Adjust.
528 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
530 * cpplex.c (parse_name): No longer inline (premature optimization).
531 (do_pop_context): Fold into pop_context.
532 (pop_context): Returns int.
533 (lex_next): Hoist test for end of directive into pop_context.
534 (push_macro_context): Returns int; takes just reader and token.
535 Hoist test for excessive nesting to caller.
536 (push_arg_context): Returns void; takes just reader and token.
537 Do not call stringify_arg or get_raw_token.
538 (get_raw_token): Convert tail recursion through push_arg_context
539 to a loop at this level. Call stringify_arg here if appropriate.
540 (maybe_paste_with_next): Convert tail recursion to a while loop.
541 Hoist test of paste_level to caller.
543 (stringify_arg): Push arg context at beginning.
544 (cpp_get_token): Split out core into _cpp_get_token. Call
545 process_directive here. Throw away CPP_PLACEMARKER tokens.
546 (_cpp_get_token): Convert tail recursion through
547 push_macro_context to a loop at this level.
548 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
549 _cpp_get_raw_token): Use _cpp_get_token.
550 (_cpp_skip_rest_of_line): Drop the context stack directly; do
551 not call pop_context.
552 (_cpp_run_directive): Call lex_next directly.
554 * cpphash.h: Prototype _cpp_get_token.
555 * cppexp.c (lex): Use it.
556 * cpphash.c (parse_define): Use it.
557 * cpplib.c (get_define_node, do_undef, parse_include,
558 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
559 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
560 parse_ifdef, validate_else): Use it.
561 (cpp_push_buffer): Tweak error message; abort if anyone tries
562 to push a buffer while macro expansions are stacked.
564 2000-07-11 Donn Terry <donnte@microsoft.com>
566 * cpplex.c (free_macro_args, save_token): Cast arg of free
567 and/or xrealloc to PTR.
568 (_cpp_init_input_buffer): Clear all fields of the base context.
570 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
572 * gensupport.c (process_rtx): Make rtl checking stop
573 complaining about the define_insn while it is being
574 converted from a define_insn_and_split.
576 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
578 * config/mips/mips.c (simple_memory_operand): Access the
579 INTVAL of the address, not it's containing MEM.
581 2000-07-11 Bruce Korb <bkorb@gnu.org>
583 * fixinc/fixtests.c(double_slash): obsolete
584 (else_endif_label): likewise
585 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
586 (libc1_ifdefd_memx): correct initial comment
587 and omit the #if/#endif pair from the memxxx declarations
588 * fixinc/fixincl.x: regen
590 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
592 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
594 2000-07-11 Neil Booth <NeilB@earthling.net>
598 2000-07-11 Neil Booth <NeilB@earthling.net>
600 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
601 (handle_option): Set digraphs according to standard.
602 Merge OPT_lang_c89 handler with OPT_std_c89.
604 * cpplex.c: (lex_line, can_paste): Honour digraphs in
605 accordance with the digraphs flag.
607 * cpplib.h: (struct cpp_options): New option digraphs.
609 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
610 Bruce Korb <bkorb@gnu.org>
612 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
613 * fixinc/fixincl.x: Regenerate.
614 * fixinc/tests/base/testing.h: Add testcase.
616 2000-07-10 Richard Henderson <rth@cygnus.com>
618 * config/ia64/ia64.c (got_symbolic_operand): New.
619 (symbolic_operand, move_operand): Revert 0701 change.
620 * config/ia64/ia64.h (PREDICATE_CODES): Update.
621 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
622 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
623 split the offset into a 14-bit low part instead of a 13-bit low part.
624 (load_fptr): Mark the mem as unchanging.
625 (load_symptr): Use got_symbolic_operand.
627 2000-07-10 Nick Clifton <nickc@cygnus.com>
629 * libgcc2.c (next_stack_level): Cast result of computation to
630 (void **) so that the assignment does not generate a warning.
632 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
634 * flags.h : Add new variable flag_single_precision_constant.
635 * toplev.c (display_help) : Add -fsingle-precision-constant option.
636 (flag_single_precision_constant): New.
637 * c-lex.c (yylex): Convert floating point constant to single
639 * invoke.texi : Add documentation for this new option.
641 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
643 * diagnostic.c (output_octal): Second parameter is unsigned.
644 (output_long_octal): Likewise.
645 (output_hexadecimal): Likewise.
646 (output_long_hexadecimal): Likewise.
647 (output_format): Adjust arguments extraction. Tweak.
648 (output_verbatim, verbatim): End variable argument list.
649 (report_diagnostic): Improve documentation.
651 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
653 * c-common.h (build_stmt): Declare.
654 (build_continue_stmt): Likewise.
655 (build_break_stmt): Likewise.
656 (build_return_stmt): Likewise.
658 * c-decl.c (do_case): Rewrite to do what previously done in
661 * c-semantics.c (build_stmt): Define.
662 (build_return_stmt): Likewise.
663 (build_break_stmt): Likewise.
664 (build_continue_stmt): Likewise.
665 (build_case_label): Likewise.
667 * c-parse.in (BREAK): Change to build tree, then generate RTL.
668 (CONTINUE): Likewise.
673 * c-parse.y: Regenerate.
674 * c-pasre.c: Likewise.
676 2000-07-09 Jason Merrill <jason@redhat.com>
678 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
680 * tree.h (STRIP_NOPS): Check for error_mark_node.
681 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
682 (dwarf2out_*): Remove duplicate declarations.
684 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
685 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
687 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
689 * diagnostic.c (wrap_text): New function.
690 (maybe_wrap_text): Likewise.
691 (output_add_string): Use it.
692 (output_format): Likewise.
693 (count_error): Use verbatim instead of notice.
694 (report_error_function): Likewise. Don't use plain fprintf.
695 (finish_diagnostic): New function.
696 (output_do_verbatim): Tweak. Commonalize functionalities in
697 output_verbatim and verbatim.
698 (output_verbatim): Adjust.
699 (verbatim): Likewise.
700 (report_diagnostic): Define.
702 * diagnostic.h (report_diagnostic): Prototype.
704 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
706 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
708 2000-07-09 Neil Booth <NeilB@earthling.net>
710 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
711 IShspace, ISspace: Update.
713 * cppinit.c: ISTABLE: Update.
716 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
717 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
718 (skip_block_comment, skip_line_comment, parse_string,
719 lex_line): Use is_vspace rather than IS_NEWLINE.
720 (skip_whitespace, lex_line): Clean up to use is_nvspace.
721 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
723 (lex_next): Unconditionally stop if within a directive.
724 Treat directives within macro invocations as directives
725 (after parse_args emits error), not as the argument.
727 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
729 * diagnostic.c (diagnostic_args): New macro.
730 (diagnostic_msg): Likewise.
731 (output_formatted_integer): Likewise.
732 (output_state): New data type.
733 (digit_buffer): Make global.
734 (output_add_integer): Rename to output_decimal. Squeeze
736 (output_long_decimal, output_unsigned_decimal,
737 output_long_unsigned_decimal, output_octal, output_long_octal,
738 output_hexadecimal, output_long_hexadecimal): New functions.
739 (output_append_r): New function.
740 (output_append): Tweak.
741 (output_flush_on): Rename to output_to_stream.
742 (output_format): Change prototype. Improve documentation. Handle
743 more format specifiers.
744 (build_location_prefix): Rename to context_as_prefix.
745 (output_notice): Rename to output_do_printf.
746 (output_printf): Tweak.
747 (line_wrapper_printf): Likewise.
748 (vline_wrapper_message_with_location): Adjust call to renamed
750 (v_message_with_decl): Likewise.
751 (default_print_error_function): Likewise.
752 (save_output_state): New function.
753 (restore_output_state): Likewise.
754 (output_do_verbatim): Likewise.
755 (output_verbatim): Define.
756 (verbatim): Likewise.
758 * diagnostic.h (printer_fn): Change return type from void to int.
759 Improve documentation.
760 (output_add_integer): Rename to output_decimal.
761 (output_flush_on, output_format): Don't export.
762 (output_verbatim, verbatim): Declare.
764 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
766 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
767 Check whether c divides op1 exactly if operation is not
770 2000-07-08 Richard Henderson <rth@cygnus.com>
772 * final.c (final): Do not abort when reg-stack introduces
775 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
777 * cpplib.h (struct cpp_name): Now struct cpp_string.
778 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
779 CPP_HEADER_NAME): Change to type S.
780 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
781 field, a cpp_hashnode *. All references to val.name updated
782 to use val.str or val.node as appropriate.
783 (struct cpp_reader): Add spec_nodes field.
784 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
786 * cpphash.h (struct spec_nodes): New.
787 (enum spell_type): Reorder. Only SPELL_STRING tokens use
788 val.str. All references to 'spelling > SPELL_NONE' updated to
791 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
792 pfile->buffer->inc are not NULL before dereferencing them.
794 * cpplex.c (parse_name): Take a pointer to the current token,
795 plus current position and limit as args; return the new
796 position; don't copy the text of a name into the string
797 buffer, instead call cpp_lookup and store the node pointer.
798 If extending a token, copy out the text of the old into a
799 scratch buffer, append the new, look that up and store the new
800 node pointer. Inline.
801 (maybe_paste_with_next): If the result of paste is a NAME,
802 then look up the pasted text and store its node pointer.
803 (lex_line): Adjust for new parse_name interface.
804 Check for L"str", L'str' using spec_nodes->n_L.
805 (spell_token): SPELL_IDENT tokens have their spelling in
806 val.node->name. Handle SPELL_STRING tokens that don't have
808 (_cpp_expand_name_space,
809 (can_paste): Check for L ## "str" using spec_nodes->n_L.
810 (cpp_get_token, special_symbol): No need to call cpp_lookup.
811 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
812 return 1=equal 0=not, not a tristate.
814 * cpphash.c (var_args_str): Delete.
815 (find_param): Compare node fields directly.
816 (is__va_args__): Use CPP_PEDANTIC. Just compare
817 token->val.node with spec_nodes->n__VA_ARGS__.
818 (dump_funlike_macro): Don't use var_args_str.
820 * cpplib.c (_cpp_check_directive): Just walk through
821 spec_nodes->dirs comparing pointers.
822 (get_define_node, do_pragma_poison, detect_if_not_defined,
823 parse_ifdef): The identifier has already been looked up.
824 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
826 (do_if): Only call detect_if_not_defined at beginning of file.
827 (_cpp_parse_assertion): Only copy string pointers for
829 (pragma_dispatch): Take a node pointer and examine its name
831 (_cpp_init_stacks): Also initialize the spec_nodes structure.
833 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
835 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
836 reverse order from the corresponding _cpp_init_* routines.
838 * cppexp.c (parse_number, parse_charconst, parse_defined,
839 lex): Check val.node->type instead of calling cpp_defined.
840 Use spec_nodes entries where appropriate.
842 * fix-header.c, scan-decls.c: Update for interface changes.
844 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
846 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
847 emitting aux_truncdfsf2.
849 2000-07-03 Donn Terry (donnte@microsoft.com)
851 * cppinit.c (print_help): split overlong line into ISO C89
854 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
856 * cppexp.c: Update all code for new lexer interface.
857 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
858 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
859 * cpplex.c (token_names): Trim leading CPP_ from names; make
860 the strings unsigned.
861 (_cpp_spell_operator): New.
862 (is_macro_disabled): Disable all macros if rescanning
864 (_cpp_get_directive_token): Remove.
866 * cppinit.c: Don't set no_macro_expand.
867 * cpplib.c (read_line_number, do_line): Check only for EOF,
869 * cpphash.h: Update prototypes.
870 * cpplib.h (CPP_VSPACE): Remove.
871 (struct cpp_reader): Remove no_macro_expand.
873 2000-07-08 Neil Booth <NeilB@earthling.net>
875 * cpphash.c (is__va_args__): New function.
876 (count_params): Fix line reported in error messages. Use
877 is__va_args__. Don't return ')' on error. Flag GNU style
878 rest args macro definitions.
879 (parse_define): Check macro name is not __VA_ARGS__.
880 (save_expansion): Check identifier in non-varargs-macro is
881 not __VA_ARGS__. Don't flag GNU_VARARGS.
882 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
883 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
884 than per-token GNU_VARARGS.
885 * cpplib.h (GNU_VARARGS): Remove.
886 (GNU_REST_ARGS): New.
888 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
890 * i386.md (call_pop, call, call_value_pop): Do not set
891 current_function_uses_pic_offset_table for calls to static
892 functions or indirect calls.
894 2000-07-07 Jim Wilson <wilson@cygnus.com>
896 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
897 is_predicate_reg, then take max write_count of register pair.
899 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
901 * tradcpp.c (main): Rename label `include' to `add_include' to
902 avoid conflicts with variable `include' in traditional C.
904 2000-07-07 Jakub Jelinek <jakub@redhat.com>
906 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
908 2000-07-07 Jakub Jelinek <jakub@redhat.com>
910 * sibcall.c (uses_addressof): Add INMEM argument, check for
911 current_function_internal_arg_pointer outside of MEM rtxs in addition
913 (sequence_uses_addressof): Update caller.
915 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
917 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
920 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
922 * system.h (UNION_INIT_ZERO): New macro for initializing union
925 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
927 2000-07-07 Neil Booth <NeilB@earthling.net>
931 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
933 * final.c (final): Detect out of bounds array access to
934 the insn_lengths array.
936 2000-07-07 Kazu Hirata <kazu@hxi.com>
938 * fold-const.c (fold): Fix a comment typo.
940 2000-07-07 Neil Booth <NeilB@earthling.net>
942 * cpp.texi: Update to new lexer.
944 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
946 * tradcpp.c: New file.
947 * tradcif.y: New file.
948 * tradcif.c: New generated file.
950 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
951 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
952 dependencies of C. Install tradcpp from install-common, in
955 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
957 * cppinit.c: Include cppdefault.h. Refer to
958 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
959 to GCC_INCLUDE_DIR and its length.
960 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
961 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
962 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
964 (include_defaults_array): Move to cppdefault.c.
966 * cppdefault.h: New file.
967 * cppdefault.c: New file.
969 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
970 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
971 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
974 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
976 * reload.c (push_reload): When seeing if can reuse a register,
977 check extra registers against widest of INMODE and OUTMODE.
979 2000-07-06 Neil Booth <NeilB@earthling.net>
981 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
982 based on full length of predicate.
984 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
986 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
987 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
989 2000-07-05 Kazu Hirata <kazu@hxi.com>
991 * h8300-proto.h: Fix formatting.
995 2000-07-05 Jim Wilson <wilson@cygnus.com>
997 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1000 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1002 * invoke.texi: Fix minor typos
1003 * md.texi: Fix minor typos
1005 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1007 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1009 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1011 * cpplex.c: Don't include sys/mman.h.
1012 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1014 * cpplib.c: Include sys/mman.h and obstack.h.
1015 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1017 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1018 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1019 bother freeing if stack entries (they will be freed with their buffer).
1020 (do_endif): Free if stack entries from the buffer obstack.
1021 (push_conditional): Allocate if stack entries from the buffer obstack.
1023 (find_answer): Rename to _cpp_find_answer.
1024 (do_assert, do_unassert): Update.
1026 * cpphash.h: Update prototypes.
1027 (xobnew): New convenience macro.
1028 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1030 (struct cpp_hashnode): Remove disabled field.
1032 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1033 (report_missing_guard): Moved to cppfiles.c.
1034 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1036 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1037 cpp_cleanup_includes. Don't destroy hashtab or
1038 all_include_files here.
1039 (cpp_finish): Use _cpp_report_missing_guards.
1041 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1042 (_cpp_init_include_table): Rename _cpp_init_includes.
1043 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1045 * cppexp.c (parse_assertion): Update for new name of
1048 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1050 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1052 * cpplib.c (do_ident): s/VSPACE/EOF/
1054 2000-07-05 Neil Booth <NeilB@earthling.net>
1056 * cpplex.c: Fix trigraph replacement within strings.
1058 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1062 * xcoffout.c (assign_type_number): Constify.
1063 (xcoffout_source_file): Add static prototype. Don't needlessly
1064 cast away const-ness.
1066 2000-07-04 Jason Merrill <jason@redhat.com>
1068 * frame.h (frame_state): Move base_offset to end.
1070 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1072 * calls.c (emit_library_call_value_1): Revert previous change.
1074 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1076 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1077 (recognized_extern, recognized_function, read_scan_file):
1078 Update for new scheme.
1079 (check_protection): It's still a multiple include guard even
1080 if it doesn't always trigger.
1081 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1083 * scan.h: Declare struct cpp_token. Update prototypes.
1085 2000-07-03 Neil Booth <neilb@earthling.net>
1086 Zack Weinberg <zack@wolery.cumb.org>
1088 Complete overhaul of the lexer and macro expander.
1090 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1091 arg, arglist, argdata, reflist, collect_objlike_expansion,
1092 collect_funlike_expansion, collect_params,
1093 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1094 unsafe_chars, macarg, compare_defs, special_symbol,
1095 scan_arguments, stringify, funlike_macroexpand,
1096 _cpp_quote_string, monthnames): Delete.
1097 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1098 _cpp_create_definition, _cpp_dump_definition,
1099 dump_hash_helper): Adjust.
1100 (find_param, count_params, parse_define, var_args_str,
1101 check_macro_redefinition, save_expansion): New.
1103 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1104 parse_string, output_line_command, trigraph_replace,
1105 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1106 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1107 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1108 _cpp_skip_rest_of_line): Modify.
1110 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1111 find_position, null_warning, bump_column, expand_name_space,
1112 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1113 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1114 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1115 _cpp_prescan): Delete.
1117 (dump_param_spelling, process_directive, lex_next,
1118 is_macro_disabled, stringify_arg, expand_context_stack,
1119 output_token, make_string_token, alloc_number_token,
1120 special_symbol, duplicate_token, maybe_paste_with_next,
1121 can_paste, prevent_macro_expansion, restore_macro_expansion,
1122 get_temp_token, release_temp_tokens, quote_string,
1123 token_names, token_spellings, _cpp_expand_name_space,
1124 _cpp_glue_header_name, _cpp_reserve_name_space,
1125 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1126 placemarker_token, eof_token, cpp_context, macro_args,
1127 get_raw_token, parse_arg, parse_args, save_token,
1128 push_arg_context, push_macro_context, pop_context,
1129 do_pop_context, free_macro_args, _cpp_get_line,
1130 _cpp_run_directive): New.
1132 * cpplib.c (validate_else, parse_include, push_conditional,
1133 pass_thru_directive, read_line_number, parse_ifdef,
1134 detect_if_not_defined, _cpp_check_directive, do_define,
1135 do_undef, do_include, do_import, do_include_next, do_error,
1136 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1137 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1138 do_pragma_poison, do_pragma_system_header,
1139 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1140 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1141 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1142 cpp_defined): Update for new scheme.
1143 (strtoul_for_line, get_define_node, dump_macro_name,
1144 _cpp_check_linemarker, _cpp_parse_assertion): New.
1145 (_cpp_handle_directive, do_pragma_default): Delete.
1147 * cpphash.h (struct predicate): Now struct answer.
1148 (enum spell_type, struct token_spelling, struct directive,
1149 directive_handler): New.
1150 Update prototypes. Remove unused macros.
1151 * cpplib.h: Update prototypes. Remove unused macros,
1152 structure definitions, and fields.
1154 * cpperror.c (print_containing_files, v_message): Adjust.
1155 * cppexp.c (parse_assertion, lex, parse_escape,
1156 _cpp_parse_expr): Adjust.
1157 * cppfiles.c (open_include_file, _cpp_execute_include,
1158 _cpp_compare_file_date, cpp_read_file, read_include_file):
1160 * cppinit.c (dump_special_to_buffer): Delete.
1161 (append_include_chain, merge_include_chains, cpp_reader_init,
1162 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1163 cpp_finish, handle_option, print_help): Adjust.
1164 * cppmain.c (main): Adjust.
1166 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1168 * cppspec.c (lang_specific_driver): Use double quotes in error
1171 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1173 * calls.c (emit_library_call_value_1): Use valreg instead
1174 of hard_libcall_value.
1176 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1178 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1179 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1180 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1188 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1189 mode instead of wider_mode is being used.
1191 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1193 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1194 of 'r'. Use q_regs_operand.
1195 (andsi_1+2): Use q_regs_operand.
1197 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1199 * builtins.c (get_memory_rtx): Always put into alias set 0.
1201 2000-07-03 Nick Clifton <nickc@cygnus.com>
1203 * config/arm/arm.md: Fix post increment and pre increment
1204 peepholes so that they do not generate UNPREDICATBLE opcodes.
1205 (ie ones where the increment clobbers the source/destination).
1207 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1209 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1210 change too big for -mtiny-stack" a warning, if larger than 63.
1211 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1212 always safe to use on possible future devices.
1213 (function_prologue): Write SPH before SPL, for consistency.
1214 If interrupt_func_p true, we know we have enabled interrupts.
1215 (avr_num_arg_regs): New function. Round up to even number of
1216 bytes if no -mpack-args or if calling a libgcc function.
1217 (function_arg, function_arg_advance): Use it.
1218 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1219 Output "movw" if available.
1220 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1221 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1222 (asm_output_section_name): Add blanks for consistent output.
1223 (encode_section_info): Set TREE_READONLY for progmem data to
1224 avoid gas warnings about changed section attributes.
1225 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1226 even numbered registers on devices with "movw".
1227 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1228 (TARGET_SWITCHES): Mark help strings for translation.
1229 Add new -mpack-args and -menhanced switches.
1230 (TARGET_OPTIONS): Mark help strings for translation.
1231 (progmem_section): Add section attributes.
1232 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1233 Output "movw" if available.
1234 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1236 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1237 call convention (arguments aligned on even registers).
1238 (_cleanup, _exit): Make weak symbols libc can override.
1240 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1242 * fp-bit.h: New file.
1244 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1245 Comment #endif statements.
1246 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1248 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1250 * gcse.c (compute_pre_data): Compute ae_kill using other local
1251 properties instead of calling compute_ae_kill.
1253 * alias.c (init_alias_analysis): Do not call
1254 prologue_epilogue_contains until after reload has completed.
1256 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1258 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1259 (genrtl_finish_compound_stmt): Likewise.
1260 (genrtl_compound_stmt): Change to return void.
1262 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1263 move code from here to ...
1264 (genrtl_compound_stmt): ... here.
1265 (genrtl_finish_compound_stmt): Remove.
1266 (expand_stmt): Add comment.
1268 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1270 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1273 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1275 * cpplib.h (struct cpp_reader): New field include_depth.
1276 (struct cpp_printer): Rename last_bsd to last_id.
1277 * cppfiles.c (read_include_file): Bump include_depth.
1278 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1279 (output_line_command): Output correct #line if a header
1280 is including itself and is not protected against multiple inclusion.
1281 Use include_depth instead of buffer_stack_depth, last_id instead of
1283 * cppinit.c (cpp_start_read): Initialize last_id instead of
1286 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1288 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1289 (c-semantics.o): New target.
1291 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1292 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1293 (genrtl_clear_out_block): Likewise.
1294 (genrtl_goto_stmt): Likewise.
1295 (genrtl_expr_stmt): Likewise.
1296 (genrtl_decl_stmt): Likewise.
1297 (genrtl_if_stmt): Likewise.
1298 (genrtl_while_stmt): Likewise.
1299 (genrtl_do_stmt): Likewise.
1300 (genrtl_return_stmt): Likewise.
1301 (genrtl_for_stmt): Likewise.
1302 (genrtl_break_stmt): Likewise.
1303 (genrtl_continue_stmt): Likewise.
1304 (genrtl_scope_stmt): Likewise.
1305 (genrtl_switch_stmt): Likewise.
1306 (genrtl_case_label): Likewise.
1307 (genrtl_begin_compound_stmt): Likewise.
1308 (gerntl_finish_compound_stmt): Likewise.
1309 (genrtl_compound_stmt): Likewise.
1310 (genrtl_asm_stmt): Likewise.
1311 (genrtl_decl_cleanup): Likewise.
1312 (DECL_ANON_UNION_ELEMS): Likewise.
1313 (emit_local_var): Likewise.
1314 (make_rtl_for_local_static): Likewise.
1315 (expand_cond): Likewise.
1316 (expand_stmt): Likewise.
1317 (c_expand_return): Likewise.
1318 (c_expand_start_case): Likewise.
1319 (do_case): Likewise.
1320 (COMPOUND_STMT_NO_SCOPE): Likewise.
1321 (c_expand_asm_operands): Likewise.
1322 (NEW_FOR_SCOPE_P): New macro.
1323 (expand_expr_stmt_fn): New type.
1325 (set_current_function_name_declared): Likewise.
1326 (current_function_name_declared): Likewise.
1327 (lang_expand_stmt): Likewise.
1328 (stmts_are_full_exprs_p): Likewise.
1329 (anon_aggr_type_p): Likewise.
1330 (lang_expand_expr_stmt): Likewise.
1331 (build_case_label): Likewise.
1333 * c-decl.c (lang_expand_expr_stmt): Initialize.
1334 (stmts_are_full_exprs_p): Define.
1335 (current_function_name_declared): Likewise.
1336 (do_case): Likewise.
1337 (lang_expand_stmt): Likewise.
1338 (set_current_function_name_declared): Likewise.
1339 (anon_aggr_type_p): Likewise.
1341 * c-semantics.c: New file.
1342 (expand_cond): Moved from cp/semantics.c.
1343 (genrtl_do_pushlevel): Likewise.
1344 (genrtl_clear_out_block): Likewise.
1345 (genrtl_goto_stmt): Likewise.
1346 (genrtl_expr_stmt): Likewise.
1347 (genrtl_decl_stmt): Likewise.
1348 (genrtl_if_stmt): Likewise.
1349 (genrtl_while_stmt): Likewise.
1350 (genrtl_do_stmt): Likewise.
1351 (genrtl_return_stmt): Likewise.
1352 (genrtl_for_stmt): Likewise.
1353 (genrtl_break_stmt): Likewise.
1354 (genrtl_continue_stmt): Likewise.
1355 (genrtl_scope_stmt): Likewise.
1356 (genrtl_switch_stmt): Likewise.
1357 (genrtl_case_label): Likewise.
1358 (genrtl_begin_compound_stmt): Likewise.
1359 (genrtl_finish_compound_stmt): Likewise.
1360 (genrtl_compound_stmt): Likewise.
1361 (genrtl_asm_stmt): Likewise.
1362 (genrtl_decl_cleanup): Likewise.
1363 (make_rtl_for_local_static): Moved from cp/decl.c.
1364 (emit_local_var): Likewise.
1365 (expand_stmt): Define.
1367 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1368 (c_expand_return): Likewise.
1369 (c_expand_start_case): Likewise.
1371 2000-07-01 Richard Henderson <rth@cygnus.com>
1373 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1374 with the low 13 bits set.
1375 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1376 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1377 of the low 13 bits into a CONST plus an adddi3.
1378 (load_symptr): Set RTX_UNCHANGING_P.
1380 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1382 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1383 * c-common.c (ridpointers): Declare.
1384 * c-common.h (enum rid): Declare.
1386 (ridpointers): Likewise.
1387 * c-lex.c (ridpointers): Don't declare.
1388 (init_lex): Initialize ridpointers.
1389 * c-lex.h (enum rid): Don't declare.
1391 (RID_FIRST_MODIFIER): Likewise.
1392 (ridpointers): Likewise.
1394 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1396 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1399 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1401 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1404 2000-06-30 Catherine Moore <clm@cygnus.com>
1406 * c-common.c (decl_attributes): Differentiate between
1407 types and type decls for alignment.
1409 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1411 * cpp.texi: Document #pragma GCC dependency
1412 * cppfiles.c (open_include_file): Set date to unknown.
1413 (_cpp_compare_file_date): New function.
1414 (read_include_file): Set file date.
1415 * cpphash.h (struct include_file): Add date member.
1416 (_cpp_compare_file_date): Prototype.
1417 * cpplib.c (parse_include): Add trail parameter. Adjust.
1418 (do_include): Adjust parse_include call.
1419 (do_import): Likewise.
1420 (do_include_next): Likewise.
1421 (gcc_pragmas): Add dependency pragma.
1422 (do_pragma_dependancy): New pragma.
1424 2000-06-29 Jason Merrill <jason@redhat.com>
1426 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1429 2000-06-29 Jim Wilson <wilson@cygnus.com>
1431 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1432 a volatile mem and FR_REGS.
1434 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1436 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1437 * c-common.h (flag_const_strings): Declare.
1438 (warn_format): Likewise.
1439 (flag_traditional): Likewise.
1440 (flag_isoc99): Likewise.
1441 (warn_parentheses): Likewise.
1442 (warn_conversion): Likewise.
1443 (C_TYPE_OBJECT_P): Likewise.
1444 (C_TYPE_INCOMPLETE_P): Likewise.
1445 (C_TYPE_FUNCTION_P): Likewise.
1446 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1447 (C_EXP_ORIGINAL_CODE): Likewise.
1448 (build_unary_op): Likewise.
1449 (build_binary_op): Likewise.
1450 (lvalue_p): Likewise.
1451 (default_conversion): Likewise.
1452 (common_type): Likewise.
1453 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1454 (C_TYPE_INCOMPLETE_P): Likewise.
1455 (C_TYPE_FUNCTION_P): Likewise.
1456 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1457 (C_EXP_ORIGINAL_CODE): Likewise.
1458 (common_type): Likewise.
1459 (default_conversion): Likewise.
1460 (build_binary_op): Likewise.
1461 (build_unary_op): Likewise.
1462 (lvalue_p): Likewise.
1463 (flag_const_strings): Likewise.
1464 (warn_format): Likewise.
1465 (warn_conversion): Likewise.
1466 (flag_traditional): Likewise.
1467 (flag_isoc99): Likewise.
1468 (warn_parentheses): Likewise.
1470 2000-06-29 James E. Wilson <wilson@cygnus.com>
1472 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1474 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1475 same. Only tie XFmode with XFmode.
1477 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1479 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1480 * Makefile.in: Update deps.
1482 2000-06-29 Andrew Haley <aph@cygnus.com>
1484 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1487 2000-06-29 Andrew Haley <aph@cygnus.com>
1489 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1490 bytes: remove the multiply by 8.
1492 2000-06-29 Philipp Thomas <pthomas@suse.de>
1494 * rtl.c : Revert NLS changes.
1495 * gcc.c : Fix bug in display_help introced by my last changes.
1497 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1499 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1500 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1502 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1504 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1506 2000-06-28 Philipp Thomas <pthomas@suse.de>
1508 * c-decl.c : Mark strings for translation.
1509 (parmlist_tags_warning): Use distinct messages instead
1510 of conditional expressions.
1511 * diagnostic.c (v_message_with_decl): Mark string for translation.
1512 * gcc.c: Mark messages for translation.
1513 (display_help): Combine messages into one string where necessary.
1514 * mips-tfile: Add intl.h. Mark messages for translation.
1515 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1516 messages for translation.
1517 * timevar.c: Mark messages for translation.
1518 * tlink.c: Likewise.
1519 * toplev.c: Likewise.
1521 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1523 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1525 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1526 use -isystem instead of -idirafter.
1527 * i386/i386-interix.h: Likewise.
1529 2000-06-28 Jason Merrill <jason@redhat.com>
1531 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1532 unless DWARF2_DEBUGGING_INFO is defined.
1533 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1535 2000-06-28 Richard Henderson <rth@cygnus.com>
1537 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1539 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1541 * cpplex.c (output_line_command): Output correct #line if a header
1542 is including itself and is not protected against multiple inclusion.
1544 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1546 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1547 ENFILE, close all cached file descriptors and try again.
1548 (_cpp_execute_include): Keep a count of the number of times
1549 each header is included.
1550 (close_cached_fd): New function.
1551 * cpphash.h (struct include_file): Rename before to
1552 include_count; all users updated. Make include_count and sysp
1554 * cppinit.c (cpp_finish): If -H, report headers that could use
1556 (report_missing_guard): New function.
1558 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1560 * i386.md (prologue_set_got): Set length_immediate field.
1561 (testqi_ccno_1): Add missing '@' character.
1563 2000-06-27 Jason Merrill <jason@redhat.com>
1565 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1568 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1570 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1571 unsigned macros available.
1573 2000-06-27 Richard Henderson <rth@cygnus.com>
1575 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1576 epilogue_deallocate_stack.
1578 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1579 completers for UNORDERED and ORDERED as well.
1580 * config/ia64/ia64.md (bunordered, bordered): New.
1581 (sunordered, sordered): New.
1583 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1585 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1586 * i386.c (ix86_attr_length_default): Kill.
1587 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1589 * i386-protos.h (ix86_attr_length_default): Kill
1590 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1592 * i386.md (attribute type): Add "test".
1593 (attribute length_prefix): Kill.
1594 (attribute length_opcode): Kill.
1595 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1596 prefix_rep, prefix_0f, modrm): New.
1597 (attribute length): Compute using the new attributes.
1598 (attribute pent_prefix): New.
1599 (attribute pent_pair): Compute using pent_prefix.
1600 (all insn patterns): Set mode,modrm and immediate_length attributes where
1602 (cmpsi patterns): Compute sizes propertly for test instruction.
1603 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1604 (movstricthi_xor, movstrictqi_xor): New patterns.
1605 (andsi/andhi): Use splitters to generate xor instructions.
1606 (xorqi_ext_1): New pattern.
1607 (movstricthi->movstricthi_xor peep2): New.
1609 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1611 * i386.md (addqi_low_1): Remove.
1613 2000-06-27 Philipp Thomas <pthomas@suse.de>
1615 * 1750a.h: Mark help strings for options/switches for translation.
1617 * alpha.h: Likewise.
1620 * riscix.h: Likewise.
1622 * clipper.h: Likewise.
1623 * convex.h: Likewise.
1624 * elxsi.h: Likewise.
1627 * h8300.h: Likewise.
1629 * cygwin.h: Likewise.
1631 * djgpp.h: Likewise.
1633 * osf1elf.h: Likewise.
1634 * osfrose.h: Likewise.
1636 * win32.h: Likewise.
1638 * paragon.h: Likewise.
1642 * mcore.h: Likewise.
1644 * mn10300.h: Likewise.
1645 * ns32k.h: Likewise.
1646 * pdp11.h: Likewise.
1649 * aix41.h: Likewise.
1650 * aix43.h: Likewise.
1652 * rs6000.h: Likewise.
1653 * sysv4.h: Likewise.
1654 * linux.h: Likewise.
1655 * linux64.h: Likewise.
1656 * sp64-elf.h: Likewise.
1657 * sparc.h: Likewise.
1658 * splet.h: Likewise.
1660 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1662 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1663 Properly document option and mark for translation.
1664 * sp86x-elf.h: Likewise.
1666 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1668 Add MMX and SSE registers to i386 machine description.
1669 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1670 ix86_local_alignment): Declare.
1672 * i386.h (TARGET_MMX, TARGET_SSE): New.
1673 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1674 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1675 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1676 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1677 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1678 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1679 (RETURN_IN_MEMORY): Handle MMX/SSE.
1680 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1681 also get stack space.
1682 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1683 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1684 (MMX_REGISTER_NAMES): New.
1685 (ALIGN_MODE_128): New macro.
1686 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1687 (DATA_ALIGNMENT): Likewise.
1688 (LOCAL_ALIGNMENT): Likewise.
1689 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1690 TARGET_MMX/TARGET_SSE.
1691 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1692 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1693 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1694 SSE/MMX regs and something else.
1695 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1696 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1697 3 if moving between MMX regs and something else.
1699 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1700 (regclass_map): Add MMX/SSE registers.
1701 (print_operand): Add code to print XMMWORD as appropriate.
1702 (ix86_split_movdi): Abort for MMX regs.
1703 (init_cumulative_args): Also allow SSE_REGS
1704 (function_arg_advance, function_arg): Likewise
1705 (print_reg): Support 'm'. Add case for TImode.
1706 (override_options): TARGET_SSE implies TARGET_MMX.
1707 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1710 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1712 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1714 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1715 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1717 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1719 * ssa.c (struct rename_set_data): Change the name of field
1720 'set_dest' to 'old_reg'. Add comments.
1721 (struct rename_context): Change the name of 'set_data' to
1722 'new_renames'. Add new field 'done_renames'.
1723 (create_delayed_rename): New function.
1724 (apply_delayed_renames): New function.
1725 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1726 SUBREGs and similar by emitting a move.
1727 (new_registers_for_updates): Delete, functionality moved to
1728 apply_delayed_renames.
1729 (rename_block): Handle moves emitted by rename_insn_1 by putting
1730 them into a SEQUENCE with the original insn. Add sanity checks
1732 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1733 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1735 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1736 Jason Merrill <jason@redhat.com>
1738 * dwarf2.h (enum dwarf_call_frame_info): Add
1739 DW_CFA_def_cfa_expression.
1740 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1741 dw_loc_descr_struct entry.
1742 (struct cfa_loc): New structure to track a CFA location.
1743 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1744 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1745 offset, plus handle DW_CFA_def_cfa_expression.
1746 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1748 (dwarf2out_def_cfa): Entry point maintained for compatability.
1749 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1750 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1751 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1752 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1754 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1755 sequences for the new DW_CFA_def_cfa_expression record.
1756 (dwarf2out_frame_debug): Use new variables/fields.A
1757 (output_cfi): Handle DW_CFA_def_cfa_expression.
1758 (output_cfa_loc): New function to generate a CFI record for
1759 DW_CFA_def_cfa_expression.
1760 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1761 a dw_loc_descr sequeunce.
1762 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1763 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1764 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1765 unwind info section.
1766 * frame.h (frame_state): Add base_offset and indirect fields.
1767 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1768 dw_loc_descr operation.
1769 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1770 (struct frame_state): Add base offset and indirect fields.
1771 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1773 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1775 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1776 Make warnings about implicit int be pedwarns in C99. Don't warn
1777 about duplicate type qualifiers in C99.
1778 (start_function): Make warning about implict int return type be a
1780 * c-lex.c (yylex): Don't warn about `long long' in C99.
1781 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1782 `return' with no value in function returning non-void.
1784 2000-06-26 Richard Henderson <rth@cygnus.com>
1786 * c-typeck.c (pedwarn_c99): New.
1787 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1788 * toplev.h: Prototype them.
1790 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1792 * c-typeck.c (digest_init): Return error_mark_node node when
1793 TREE_TYPE (init) == error_mark_node.
1795 2000-06-26 Philipp Thomas <pthomas@suse.de>
1797 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1798 test for msgfmt without path instead.
1799 * configure: Rebuilt.
1801 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1803 * gengenrtl.c (special_rtx): Fix typo in comment.
1805 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1807 * mklibgcc.in (LIB2FUNCS): Add missing space.
1809 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1811 * tree.h (enum tree_index): Add vector type nodes.
1812 Add accessor macros for them.
1813 (TYPE_REPRESENATION_TYPE): New macro.
1814 * tree.c (build_common_tree_nodes_2): Build these nodes.
1815 (finish_vector_type): New function.
1816 * c-common.c (type_for_mode): Handle vector modes.
1817 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1819 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1820 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1821 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1822 (gen_type_die): Likewise.
1823 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1824 (fundamental_type_code): Likewise.
1825 (type_is_fundamental): VECTOR_TYPEs aren't.
1826 (output_type): Handle VECTOR_TYPEs.
1828 2000-06-25 Kazu Hirata <kazu@hxi.com>
1830 * config/arm.c: Fix a comment typo.
1831 * config/arm.h: Likewise.
1833 2000-06-25 Philipp Thomas <pthomas@suse.de>
1835 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1837 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1838 * configure: Rebuilt.
1840 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1842 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1844 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1846 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1849 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1851 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1853 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1855 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1857 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1859 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1860 last_unconditional_cleanup.
1862 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1864 * tree.def (VECTOR_TYPE): New node type.
1865 * tree.h: Adjust some comments to reflect addition of vector types.
1866 (TYPE_VECTOR_SUBPARTS): New macro.
1867 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1868 * c-convert.c (convert): Likewise.
1869 * convert.c (convert_to_integer): Handle vector modes.
1870 (convert_to_vector): New function.
1871 * convert.h (convert_to_vector): Declare.
1872 * expr.c (convert_move): Handle vector modes.
1873 * expmed.c (extract_bit_field): Don't abort for vector modes.
1875 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1877 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1878 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1879 New functions, common code moved from function_{prologue,epilogue}
1880 and extended to support the -mtiny-stack option.
1881 (function_prologue, function_epilogue): Use them.
1882 Use lo8/hi8 consistently for asm output readability.
1883 (avr_hard_regno_mode_ok): New function.
1884 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1885 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1886 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1887 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1888 Write SPH before SPL.
1889 (*movqi): No need to disable interrupts for just one "out"
1890 in alternative 5. Change length attribute from 4 to 1.
1891 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1892 Write SPH before SPL.
1894 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1896 * rtl.texi (Vector Operations): New node.
1897 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1898 (Conversions): Add ss_truncate, us_truncate.
1899 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1900 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1901 US_TRUNCATE): New rtx codes.
1902 * machmode.def: Add vector modes.
1903 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1905 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1906 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1907 (VECTOR_MODE_P): New.
1909 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1911 * cpp.texi: Clarify #pragma GCC namespace.
1913 2000-06-24 Philipp Thomas <pthomas@suse.de>
1915 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1916 all catalogs specified in ALL_LINGUAS.
1917 * configure: Rebuilt.
1919 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1921 * config/sparc/sparc.md (reload_outdi+1): Handle
1922 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1923 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1925 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1927 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1928 struct vs. scalar-ness when -fno-strict-aliasing.
1930 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1932 * cpplib.c (struct pragma_entry): New structure.
1933 (pragma_dispatch): Pragma dispatcher.
1934 (top_pragmas, gcc_pragmas): New static variables.
1935 (do_pragma): Use pragma_dispatch.
1936 (do_pragma_gcc): New pragma handler.
1939 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1941 * calls.c (compute_argument_addresses): Force stack slots into
1943 * expr.c (emit_push_insn): Force pushes into alias set 0.
1945 2000-06-23 Richard Henderson <rth@cygnus.com>
1947 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1948 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1950 2000-06-22 Jason Merrill <jason@redhat.com>
1952 * toplev.c (compile_file): Always call timevar_print.
1953 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1955 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1957 * varasm.c (constant_descriptor): Make contents unsigned char.
1958 (mark_const_hash_entry): Adjust.
1959 (const_hash): Just hash the code of unknown nodes.
1960 (compare_constant_1): Adjust for unsigned char.
1961 Use language specific expander on unknown nodes.
1962 (record_constant_1): Likewise.
1964 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1966 * cppfiles.c (cpp_make_system_header): New function.
1967 * cpplib.h: Prototype it.
1968 * cpplib.c (do_line, do_pragma_system_header): Use it.
1969 * fix-header.c (read_scan_file): Use it.
1971 * fix-header.c (check_macro_names): Cast second arg of
1972 cpp_defined to const unsigned char *.
1973 (read_scan_file): Make getchar_call const unsigned char.
1975 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1977 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1978 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1979 (destroy_include_file_node): New.
1980 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1981 Create a splay tree, not a hash table.
1982 (open_include_file): Look up the path in the include table,
1983 do the multiple include optimization here, etc.
1984 (cpp_included): Walk the path.
1985 (find_include_file): Just walk the path calling
1986 open_include_file, or call it directly for an absolute path.
1987 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1989 (read_include_file): Update for new scheme. Don't close the
1990 file unless reading fails.
1991 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1993 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1994 (struct include_file): New.
1995 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1997 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2000 * cppinit.c: Include splay-tree.h.
2001 (cpp_reader_init, cpp_cleanup): Update.
2003 * cpplib.h (struct cpp_buffer): Change ihash field to
2004 'struct include_file *inc'. Remove system_header_p.
2005 (struct cpp_reader): Change all_include_files to a
2006 struct splay_tree_s *.
2008 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2009 cpp_buffer->system_header_p.
2010 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2012 * Makefile.in (SPLAY_TREE_H): New macro.
2013 (cppfiles.o, cppinit.o): Update dependencies.
2015 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2017 * invoke.texi (g++): "g++" is not a script anymore.
2019 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2021 * function.c (round_down): Delete obsolete prototype.
2023 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2025 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2027 * configure.in: Use 'test a = b' not 'test a == b'.
2030 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2032 * Makefile.in: Remove all references to HOST_INTLLIBS.
2034 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2037 2000-06-20 Philipp Thomas <pthomas@suse.de>
2039 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2042 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2044 * Take REG_INC notes into account.
2046 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2048 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2049 (primary: IDENTIFIER): Just call build_external_ref.
2050 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2052 * c-lex.c (lastiddecl): Remove.
2053 (yylex): Replace all instances of lastiddecl with local
2056 * c-typeck.c (build_external_ref): New function. Treat decls
2057 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2058 Look up the decl from the id here. Call lookup_objc_ivar.
2059 * c-lang.c (lookup_objc_ivar): Stub.
2060 * objc/objc-act.c (lookup_objc_ivar): New function.
2062 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2063 * c-lex.h: Don't declare lastiddecl.
2065 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2067 * c-common.h (IF_COND): Added documentation.
2068 (THEN_CLAUSE): Likewise.
2069 (ELSE_CLAUSE): Likewise.
2070 (WHILE_COND): Likewise.
2071 (WHILE_BODY): Likewise.
2072 (DO_COND): Likewise.
2073 (DO_BODY): Likewise.
2074 (RETURN_EXPR): Likewise.
2075 (EXPR_STMT_EXPR): Likewise.
2076 (FOR_INIT_STMT): Likewise.
2077 (FOR_COND): Likewise.
2078 (FOR_EXPR): Likewise.
2079 (FOR_BODY): Likewise.
2080 (SWITCH_COND): Likewise.
2081 (SWITCH_BODY): Likewise.
2082 (CASE_LOW): Likewise.
2083 (CASE_HIGH): Likewise.
2084 (GOTO_DESTINATION): Likewise.
2085 (COMPOUND_BODY): Likewise.
2086 (ASM_CV_QUAL): Likewise.
2087 (ASM_STRING): Likewise.
2088 (ASM_OUTPUTS): Likewise.
2089 (ASM_INPUTS): Likewise.
2090 (ASM_CLOBBERS): Likewise.
2091 (DECL_STMT_DECL): Likewise.
2092 (STMT_EXPR_STMT): Likewise.
2093 (LABEL_STMT_LABEL): Likewise.
2095 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2096 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2097 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2098 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2100 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2102 * configure.in (--enable-checking): Update --help doc to reflect
2103 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2105 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2107 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2109 * function.c (put_var_into_stack): Don't reference DECL_ fields
2110 if input is a SAVE_EXPR.
2111 Use set_mem_attributes in COMPLEX case.
2113 2000-06-18 Richard Henderson <rth@cygnus.com>
2115 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2116 (ia64_file_start): Declare.
2117 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2118 (GR_REGNO_P): Likewise.
2119 * config/ia64/ia64.c: Many prototypes.
2120 (ia64_reg_numbers): Constify.
2121 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2122 (ia64_section_threshold): Make unsigned.
2123 (ia64_print_operand): Constify.
2124 (fix_range): Constify.
2125 (ia64_init_builtins): Don't compare signed vs unsigned.
2126 (ia64_expand_builtin): Likewise.
2128 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2129 (CONSTRAINT_OK_FOR_Q): New.
2130 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2131 (movsf_internal, movdf_internal): Likewise.
2132 (cmovdi_internal): Rewrite so that constraints and predicates match;
2134 (cmovsi_internal): Likewise.
2136 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2137 (ASM_FILE_START): New.
2138 * config/ia64/ia64.c (ia64_file_start): New.
2139 (rtx_needs_barrier): Handle pred.rel.mutex.
2140 (emit_predicate_relation_info): New.
2141 * config/ia64/ia64.md (pred_rel_mutex): New.
2142 * config/ia64/linux.h (ASM_SPEC): Define.
2143 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2145 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2146 filtering global register variables.
2148 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2150 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2152 2000-06-17 Michael Meissner <meissner@redhat.com>
2154 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2155 not present and there is a field after a '-'.
2157 2000-06-17 Bruce Korb <bkorb@gnu.org>
2159 * fixinc/check.tpl: finish the implementation of multiple tests
2161 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2162 (io_quotes_def): add a second test
2163 (various): reorder `files' so that "limits.h" is never first
2164 * fixinc/tests/base/*: update the testing output
2166 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2168 * gcc.texi: Remove reference to stupid.c.
2170 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2172 * c-common.c (c_tree_code_type): New array.
2173 (c_tree_code_length): Likewise.
2174 (c_tree_code_name): Likewise.
2175 (add_c_tree_codes): New function.
2177 * c-common.h (add_c_tree_codes): Declare.
2178 (enum c_tree_code): New enum.
2180 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2182 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2184 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2185 select pattern to also match macro defs with only one argument.
2187 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2189 * i386.md: Create new [right,left] rotate and right shift
2190 patterns to optimize shift by 1 bit for certain ia32 processors.
2191 Update patterns which perform left shifts to optimize shift by
2192 1 bit for certain ia32 processors.
2193 * i386.c (const_int_1_operand): New predicate.
2194 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2195 * i386-protos.h (const_int_1_operand): Prototype.
2197 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2199 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2201 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2203 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2206 2000-06-14 Richard Henderson <rth@cygnus.com>
2208 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2210 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2213 * print-rtl.c (print_rtx): Emit space before mem alias set.
2215 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2217 * rs6000.c (expand_block_move): Fix typo in earlier change.
2218 (print_operand): Remove unused variables neg and op.
2219 (toc_hash_mark_entry): Fix prototype.
2221 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2223 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2224 (THEN_CLAUSE): Likewise.
2225 (ELSE_CLAUSE): Likewise.
2226 (WHILE_COND): Likewise.
2227 (WHILE_BODY): Likewise.
2228 (DO_COND): Likewise.
2229 (DO_BODY): Likewise.
2230 (RETURN_EXPR): Likewise.
2231 (EXPR_STMT_EXPR): Likewise.
2232 (FOR_INIT_STMT): Likewise.
2233 (FOR_COND): Likewise.
2234 (FOR_EXPR): Likewise.
2235 (FOR_BODY): Likewise.
2236 (SWITCH_COND): Likewise.
2237 (SWITCH_BODY): Likewise.
2238 (CASE_LOW): Likewise.
2239 (CASE_HIGH): Likewise.
2240 (GOTO_DESTINATION): Likewise.
2241 (COMPOUND_BODY): Likewise.
2242 (ASM_CV_QUAL): Likewise.
2243 (ASM_STRING): Likewise.
2244 (ASM_OUTPUTS): Likewise.
2245 (ASM_INPUTS): Likewise.
2246 (ASM_CLOBBERS): Likewise.
2247 (DECL_STMT_DECL): Likewise.
2248 (STMT_EXPR_STMT): Likewise.
2249 (LABEL_STMT_LABEL): Likewise.
2250 (SCOPE_BEGIN_P): Likewise.
2251 (SCOPE_END_P): Likewise.
2252 (SCOPE_STMT_BLOCK): Likewise.
2253 (SCOPE_NULLIFIED_P): Likewise.
2254 (SCOPE_NO_CLEANUPS_P): Likewise.
2255 (SCOPE_PARTIAL_P): Likewise.
2256 (ASM_VOLATILE_P): Likewise.
2257 (STMT_LINENO): Likewise.
2258 (STMT_LINENO_FOR_FN_P): Likewise.
2260 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2261 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2262 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2263 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2264 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2266 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2268 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2270 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2271 writable in parts of the GCC code.
2273 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2274 specification match cast.
2276 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2278 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2279 * configure, config.in: Rebuilt.
2280 * sys-protos.h: Similarly.
2282 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2284 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2285 * basic-block.h (EDGE_COMPLEX): ... here.
2287 * loop.c (check_dbra_loop): Specify the register when
2288 generating REG_NONNEG notes and don't generate duplicates.
2290 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2292 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2293 (struct tree_type, struct tree_decl): Add user_align member.
2294 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2295 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2296 and DECL_USER_ALIGN 0, cap alignment to this value.
2297 (place_field): Likewise.
2298 (finalize_type_size): Set TYPE_USER_ALIGN.
2299 (layout_type): Likewise.
2300 (initialize_sizetypes): Likewise.
2301 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2302 DECL_USER_ALIGN to 1.
2303 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2304 (xfer_tag): Set TYPE_USER_ALIGN.
2305 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2306 (finish_enum): Likewise.
2307 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2308 (expand_anon_union_decl): Likewise.
2309 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2310 (build_index_type): Set TYPE_USER_ALIGN.
2311 (build_range_type): Likewise.
2312 (build_common_tree_nodes_2): Likewise.
2313 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2315 2000-06-13 Andreas Jaeger <aj@suse.de>
2317 * configure.in: Use --enable-checking=misc,tree,gc by default if
2318 no --enable-checking option is given and for
2319 --enable-checking=yes.
2320 * configure: Rebuilt.
2322 2000-06-13 Richard Henderson <rth@cygnus.com>
2324 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2325 (__throw): Don't pass the address of a label.
2327 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2328 current_function_is_leaf.
2329 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2330 instead of reg_names[RETURN_ADDRESS_REGNUM].
2331 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2332 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2333 from RETURN_ADDRESS_REGNUM. Update all uses.
2334 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2335 zero instead of null on failure.
2336 (ELIMINABLE_REGS): Add ra->b0 elimination.
2337 (CAN_ELIMINATE): Update accordingly.
2338 (INITIAL_ELIMINATION_OFFSET): Likewise.
2339 (REGISTER_NAMES): Use an illegal assembler name for
2340 RETURN_ADDRESS_POINTER_REGNUM.
2342 2000-06-13 Richard Henderson <rth@cygnus.com>
2344 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2345 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2346 (REG_CLASS_NAMES): Likewise.
2347 (REG_CLASS_CONTENTS): Likewise.
2348 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2349 (HARD_REGNO_MODE_OK): Remove references to them.
2350 (REGNO_REG_CLASS): Likewise.
2351 (REG_CLASS_FROM_LETTER): Likewise.
2352 (CLASS_MAX_NREGS): Likewise.
2353 (REGISTER_MOVE_COST): Likewise.
2354 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2355 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2356 (movqi_internal): Special case moves from zero.
2357 (movhi_internal, movsi_internal): Likewise.
2358 (movdi_internal): Likewise. Fill out "f" constraints.
2359 (movsf_internal): Fill out "r" constraints.
2360 (movdf_internal): Likewise.
2362 2000-06-13 Richard Henderson <rth@cygnus.com>
2364 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2365 alive before reload.
2367 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2368 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2369 (remove_dependence): Always define.
2370 (set_sched_group_p): New.
2371 (sched_analyze_2): Use it.
2372 (sched_analyze_insn): Don't special-case naked uses. Look for
2373 and extend in_post_call_group_p.
2374 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2375 (init_deps): Clear in_post_call_group_p.
2377 2000-06-13 Richard Henderson <rth@cygnus.com>
2379 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2380 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2381 and hard-coded tests.
2382 (simplify_set): Likewise.
2383 (gen_lowpart_for_combine): Likewise.
2384 * emit-rtl.c (gen_lowpart_common): Likewise.
2385 * global.c (find_reg): Likewise.
2386 * local-alloc.c (find_free_reg): Likewise.
2387 * recog.c (register_operand): Likewise.
2388 * regclass.c (init_reg_sets_1): Likewise.
2389 (record_operand_costs, regclass): Likewise.
2390 * reload.c (push_reload): Likewise.
2391 * reload1.c (choose_reload_regs): Likewise.
2392 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2393 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2394 Update all references.
2395 * regs.h (struct reg_info_def): Likewise.
2396 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2397 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2398 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2400 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2401 (CLASS_CANNOT_CHANGE_MODE_P): New.
2402 * config/mips/mips.h: Likewise.
2403 * config/pa/pa32-regs.h: Likewise.
2404 * config/pa/pa64-regs.h: Likewise.
2405 * config/rs6000/rs6000.h: Likewise.
2406 * config/sh/sh.h: Likewise.
2407 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2408 (CLASS_CANNOT_CHANGE_MODE_P): New.
2409 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2410 * config/d30v/d30v.h: Likewise.
2412 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2414 * configure.in: Add AC_TYPE_GETGROUPS test.
2415 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2416 * configure: Rebuilt.
2417 * config.in: Rebuilt.
2419 2000-06-13 Richard Henderson <rth@cygnus.com>
2421 * explow.c (set_mem_attributes): Do nothing for NULL type.
2423 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2425 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2428 2000-06-13 James E. Wilson <wilson@cygnus.com>
2430 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2432 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2434 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2436 2000-06-13 Philipp Thomas <pthomas@suse.de>
2438 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2439 * configure: Rebuilt.
2441 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2443 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2444 We now default to ELF for the i386, and a.out is the special case.
2445 * configure: Rebuilt.
2447 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2449 * final.c (final_scan_insn): Delete notes between cc0 setter and
2450 user when restarting from setter.
2452 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2454 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2455 cast to squelch signed/unsigned warnings.
2457 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2459 * cpplib.c (handle_directive): Print non-NUL-terminated string
2462 2000-06-12 Michael Meissner <meissner@redhat.com>
2464 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2465 path if the machine needs extra support to do conditional
2468 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2470 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2471 to print the alias set.
2472 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2474 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2476 * config/float-vax.h: Add GFLOAT defines.
2478 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2480 * configure.in: Update tm dependencies for MPE.
2481 * configure: Rebuilt.
2483 2000-06-12 H.J. Lu <hjl@gnu.org>
2485 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2487 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2489 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2490 (CPP_SPEC): Change mthreads to pthread.
2491 (LIB_SPEC): Likewise.
2492 (STARTFILE_SPEC): Likewise.
2493 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2494 (CPP_SPEC): Change mthreads to pthread.
2495 (LIB_SPEC): Likewise.
2496 (STARTFILE_SPEC): Likewise.
2497 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2498 * rs6000.c (reg_or_arith_cint_operand): New.
2499 (num_insns_constant_wide): Decorate unsigned constant.
2500 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2501 * rs6000.md (addsi3): Use new predicate.
2502 (subsi3, adddi3, subdi3): Likewise.
2504 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2506 * c-common.c (lang_get_alias_set): Fix typo.
2508 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2510 * flow.c (mark_used_regs): Revert last change.
2511 (life_analysis): Remove PROP_AUTOINC if running after reload.
2512 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2514 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2516 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2519 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2521 * bb-reorder.c (build_scope_forest): Initialize variable
2524 * calls.c (expand_call): Likewise for variables
2525 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2527 * i386.c (function_arg_advance, function_arg): Cast to avoid
2528 signed/unsigned warnings.
2530 * i386.h (MEMORY_MOVE_COST): Likewise.
2532 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2533 `else_start' and `else_end'.
2535 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2537 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2539 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2541 * Makefile.in (libintl.a): Depend on intl.all.
2543 2000-06-09 H.J. Lu (hjl@gnu.org)
2545 * Makefile.in (c-parse.o): Also depend on output.h.
2547 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2549 * mcore-protos.h: discards const warning removal.
2550 * mcore.c: discards const warning removal.
2552 2000-06-09 Kazu Hirata <kazu@hxi.com>
2554 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2555 the beginning of the file.
2557 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2559 * real.h: Add prototype for ldexp.
2561 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2563 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2564 it ggc_alloc, drop second argument, never clear returned memory.
2565 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2566 (ggc_alloc_cleared): New.
2567 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2568 ggc_alloc_obj. Remove ggc_alloc macro.
2569 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2571 * rtl.c (rtvec_alloc): Clear the vector always.
2572 (rtx_alloc): Clear the first word always. Remove dirty
2573 obstack tricks (this routine is no longer a bottleneck).
2574 * tree.c (make_node): Clear the new node always.
2575 (make_tree_vec): Likewise.
2576 (tree_cons): Clear the common structure always.
2577 (build1): Likewise; also, clear TREE_COMPLEXITY.
2578 * gengenrtl.c: Use puts wherever possible. Remove extra
2580 (gendef): Clear the first word of an RTX in the generator
2581 function, irrespective of ggc_p. Initialize '0' slots to
2583 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2584 thin wrapper macro around obstack_alloc.
2586 * stmt.c (expand_fixup): Use ggc_alloc.
2587 * c-typeck.c (add_pending_init): Use ggc_alloc.
2588 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2589 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2590 const0_rtx when it is created.
2591 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2592 we are not in a function.
2594 * tree.c (tree_class_check_failed): Make second arg an int.
2595 * tree.h: Update prototype.
2597 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2599 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2600 of an error_mark_node.
2602 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2604 * config/avr/avr.c (asm_output_section_name): bugfix.
2606 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2608 * timevar.def: Add TV_EXPAND.
2609 * timevar.c (timevar_print): Update timing information.
2610 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2612 * stmt.c (expand_return): Check for error_mark_node.
2614 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2616 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2618 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2619 variable against filename expansion when it contains "char *".
2621 * system.h (SSIZE_MAX): Delete backup definition.
2623 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2624 instead of SSIZE_MAX.
2626 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2628 * configure.in: Check whether gas supports -relax.
2629 * configure, config.in: Rebuilt.
2630 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2631 (EXTRA_SPECS): Add asm_relax.
2632 (ASM_SPEC): Add %(asm_relax).
2633 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2634 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2635 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2636 (ASM_SPEC): Add %(asm_relax).
2637 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2638 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2639 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2640 instead of mov, so that gas can further optimize it.
2642 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2644 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2646 (value_format, case dw_val_class_const): Use sdata format.
2647 (output_die): Call output_sleb128.
2649 2000-06-08 James E. Wilson <wilson@cygnus.com>
2651 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2652 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2653 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2654 (output_die, case dw_val_class_unsigned_const): Correct call to
2655 ASM_OUTPUT_DWARF_DATA8.
2656 (output_die, case dw_val_class_long_long): Use
2657 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2658 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2661 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2662 (output_function_prologue): Fix mispelling.
2663 (output_function_prologue, output_function_epilogue): Reorder to
2664 match ia64.c definition order.
2665 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2666 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2667 Use r3 instead of r2 for large stack restores.
2668 (ia64_output_end_prologue): New function.
2669 (process_set): Emit ".restore sp" for epilogue stack restores.
2670 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2672 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2674 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2677 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2679 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2681 2000-06-08 Denis Perchine <dyp@perchine.com>
2683 * frame.c (start_fde_sort): Don't malloc (0).
2685 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2687 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2689 * print-tree.c (print_node): The transparent_union_flag means
2690 different things for unions and arrays. Do not inspect it
2691 with TYPE_TRANSPARENT_UNION.
2693 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2695 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2698 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2700 * config/avr/avr.c (asm_output_section_name): output section
2702 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2704 2000-06-06 James E. Wilson <wilson@cygnus.com>
2706 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2707 fields into header field.
2708 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2709 macros to access length, flags, and version info from header field.
2710 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2711 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2712 (__do_global_ctors_aux): Fix caller.
2713 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2714 prologue_flag to header. Pass to read_P_record.
2715 (read_P_record): New argument header. Implement P4 format.
2716 Multiply P7_T_SIZE by 16.
2717 (execute_one_ia64_descriptor): New static local region_header. Pass to
2718 get_unwind_record. Copy r to region_header if r is a header record.
2719 (print_all_records): Likewise.
2720 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2721 (__get_personality, __get_except_table): Likewise.
2722 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2724 2000-06-06 Philipp Thomas <pthomas@suse.de>
2726 * configure.in (AC_C_INLINE): Added.
2727 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2728 * configure: Regenerate.
2730 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2732 * c-common.h (c_language_kind): New type.
2733 (c_language): New variab.e
2734 * c-common.c (lang_get_alias_set): Don't put structures in
2735 non-zero alias sets in C++.
2736 * c-decl.c (c_language): Define it.
2737 * c-lex.c (doing_objc_thang): Remove.
2738 * c-tree.h (doing_objc_thang): Make it a macro.
2739 * objc/objc-act.c (lang_decode_option): Set c_language, not
2742 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2744 * diagnostic.c (output_maximum_width): Remove.
2745 (doing_line_wrapping): Tweak.
2746 (diagnostic_buffer): New object.
2747 (global_output_buffer): New object.
2748 (output_destroy_prefix): New function.
2749 (default_initialize_buffer): Likewise.
2750 (reshape_diagnostic_buffer): Likewise.
2751 (initialize_diagnostics): Likewise.
2752 (output_clear): Tweak.
2753 (line_wrapper_printf): Adjust call to init_output_buffer.
2754 (vline_wrapper_message_with_location): Likewise. Use
2755 output_destroy_prefix.
2756 (v_message_with_decl): Likewise.
2758 * diagnostic.h (struct output_buffer): Constify prefix.
2759 (init_output_buffer, output_get_prefix): Constify.
2760 (diagnostic_message_length_per_line): Likewise.
2761 (reshape_diagnostic_buffer): Declare.
2762 (default_initialize_buffer): Declare.
2763 (initialize_diagnostics): Declare.
2764 (diagnostic_buffer): Declare new obbject.
2766 * toplev.c: #include diagnostic.h
2767 (display_help): Document diagnostic formatting options.
2768 (decode_f_option): Handle diagnostic formatting options.
2769 (main): Setup initialization for diagnostic messages outputter.
2771 * toplev.h (set_message_length): Remove.
2773 * Makefile.in (toplev.o): Depends upon diagnostic.h
2775 * invoke.texi : Document diagnostics formatting options.
2777 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2779 * configure.in (Make the links): Typo fix : the file that must be
2780 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2781 * configure: File rebuilt.
2783 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2785 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2786 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2788 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2789 emergency eh_context buffer, if malloc fails.
2790 (__eh_free): Moved from cp/exception.cc. Release to emergency
2791 eh_context buffer, if appropriate.
2793 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2795 * expr.c (store_expr): Fix typo.
2797 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2799 * m68k.c (legitimize_pic_address): Move prototype ...
2801 * m68k-protos.h (legitimize_pic_address): ... here.
2803 * m68k.md (legitimize_pic_address): Delete prototypes.
2804 (untyped_call): Invoke GEN_CALL(), not gen_call().
2806 * nextstep.c: Include system.h and toplev.h.
2807 (get_directive_line): Don't prototype.
2808 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2810 * nextstep.h (handle_pragma): Prototype.
2811 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2812 objc_section_init ...
2813 (EXTRA_SECTION_FUNCTIONS): ... here.
2815 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2817 * sdbout.c (struct sdb_file): NAME now const.
2818 (sdbout_init): input_file_name now const.
2819 (sdbout_start_new_source_file): FILENAME now const.
2820 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2822 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2824 * c-typeck.c (build_conditional_expr): Handle complex data types.
2826 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2828 * explow.c (maybe_set_unchanging): New function, broken out from...
2829 (set_mem_attributes): Here.
2830 * expr.h: Declare it.
2831 * stmt.c (expand_decl): Call it.
2833 2000-06-05 Richard Henderson <rth@cygnus.com>
2835 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2836 while looking for a register to inherit from.
2838 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2840 * Makefile.in (libgcc.ready): Lose.
2841 (libgcc.mk): Just use mv, not move-if-change.
2842 (LIBGCC_DEPS): New macro.
2844 (stmp-multilib): Likewise.
2845 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2846 it rather than the directories themselves.
2847 (LIB2ADD): Depend on the list file rather than 'force'.
2849 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2850 cv-qualified versions of types.
2852 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2854 * config/sparc/sparc.c (short_branch): Correct error in range
2857 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2859 * fixinc/inclhack.def: New include hacks for ultrix.
2860 * (nested_ultrix): Replaced by ultrix_nested_svc.
2861 * (ultrix_atof_param): test_text string added.
2862 * (ultrix_ifdef): Modified select string.
2864 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2866 * objc/objc-act.c (generate_method_descriptors): Register
2867 objc_method_prototype_template as a GC root.
2868 (comp_method_with_proto): Register function_type as a GC root.
2869 (comp_proto_with_proto): Replace function_type1 and
2870 function_type2 with a two-element array; register it as a GC root.
2872 (generate_protocols, build_protocol_initializer,
2873 generate_protocol_list, build_category_initializer,
2874 build_shared_structure_initializer): Do not cache cast_type
2877 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2879 * function.c (assign_parms): Add missing argument to set_mem_attributes
2882 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2884 * tree.h (VOID_TYPE_P): New macro.
2885 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2886 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2887 (get_parm_info): Likewise.
2888 (store_parm_decls): Likewise.
2889 (combine_parm_decls): Likewise.
2890 (finish_function): Likewise.
2891 * c-typeck.c (build_function_call): Likewise.
2892 (build_binary_op): Likewise.
2893 (build_conditional_expr): Likewise.
2894 (internal_build_compound_expr): Likewise.
2895 (convert_for_assignment): Likewise.
2896 * stmt.c (expend_expr_stmt): Likewise.
2897 (warn_if_unused_value): Likewise.
2898 (expand_return): Likewise.
2899 * c-parse.in (primary): Likewise.
2900 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2901 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2903 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2905 * alias.c (get_alias_set): If compnent is addressable, use alias
2907 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2908 (grokdeclarator): Likewise.
2909 * c-typeck.c (common_type): Likewise.
2911 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2913 * Makefile.in (OBJS): Remove dyn_string.o
2914 (dyn-string.o): Delete rule.
2915 * dyn-string.c: Delete file
2916 * dyn-string.h: Likewise.
2918 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2920 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2923 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2925 * alias.c (record_component_aliases): Don't inspect
2926 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2928 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2930 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2931 it with the pattern to do machine dependent work.
2932 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2933 use it to modify the true/false tests used in conditional
2934 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2935 defined, invoke them if the conversion to conditional execution
2936 was successful or not.
2938 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2939 (IFCVT_MODIFY_INSN): Ditto.
2940 (IFCVT_MODIFY_FINAL): Ditto.
2941 (IFCVT_MODIFY_CANCEL): Ditto.
2943 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2945 * toplev.c (main): Fix misspellings of possibility and language.
2947 2000-06-03 Richard Henderson <rth@cygnus.com>
2949 * alias.c (record_alias_subset): Initialize has_zero_child in the
2952 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2954 * arm.md (untyped_call): Use GEN_CALL macro.
2956 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2958 * Makefile.in: Use $(MAKE) not "make"
2960 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2962 * alias.c (struct alias_set_entry): New field has_zero_child.
2963 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2964 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2966 Call record_component_aliases for aggregate types.
2967 (record_alias_subset): Set has_zero_child.
2968 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2969 TYPE_NONALIASES_COMPONENT.
2970 (record_component_aliases, case RECORD_TYPE): Test
2971 DECL_NONADDRESSABLE_P.
2972 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2973 of TREE_ADDRESSABLE.
2974 * calls.c (initialize_argument_information): Only test
2975 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2976 * function.c (assign_parms): Likewise.
2977 * integrate.c (function_cannot_inline_p): Likewise.
2978 * stor-layout.c (finish_record_layout): Don't call
2979 record_component_aliases.
2980 * tree.h (struct tree_int_cst): Use struct tree_common.
2981 (struct tree_real_cst, struct tree_string): Likewise.
2982 (struct tree_complex, struct tree_identifier): Likewise.
2983 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2984 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2985 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2986 (TYPE_NONALIASES_COMPONENT): New macro.
2987 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2988 (DECL_NONADDRESSABLE_P): New macro.
2989 (struct tree_decl): Reorder bits for clarity of how many left;
2992 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2994 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2995 * mklibgcc.in (force): New target.
2996 Make LIB2ADD stuff depend on it.
2998 2000-06-02 Richard Henderson <rth@cygnus.com>
3000 * alias.c (lang_get_alias_set): Remove.
3001 (get_alias_set): Call it directly, not indirectly.
3002 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3003 * c-common.h (c_get_alias_set): Don't declare.
3004 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3005 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3007 2000-06-02 Bruce Korb <bkorb@gnu.org>
3009 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3010 (server_setup): define the server's master pid
3011 (close_server): actually do the deed IFF we are the server's master
3013 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3015 * c-common.c (c_get_alias_set): Check whether signed_type did not
3016 return its argument before calling get_alias_set on the result.
3018 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3020 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3022 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3024 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3025 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3026 for TARGET_NOMACSAVE.
3027 (NOMACSAVE_BIT): Define.
3028 (TARGET_NOMACSAVE): Define.
3029 (TARGET_SWITCHES): Add "nomacsave".
3031 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3033 * sh.md (untyped_call): Remove excess parameters
3035 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3037 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3038 match that used before the conversion to c_fix style.
3039 * fixinc/fixincl.x: regenerate
3041 2000-06-01 Stan Cox <scox@cygnus.com>
3043 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3044 macro argument typo.
3046 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3048 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3050 * cpplib.c (parse_include): Remove support for VAX-C
3051 "#include starlet" misfeature.
3053 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3055 * cppfiles.c: conditionally define O_BINARY.
3056 (open_include_file): pass O_BINARY to open().
3058 2000-06-01 Richard Henderson <rth@cygnus.com>
3060 * i960.c (i960_br_predict_opcode): Remove.
3061 (i960_print_operand) [+]: Emit branch prediction hints.
3062 (i960_function_arg): Return early for VOIDmode.
3063 (i960_round_align): Return early for incomplete types.
3064 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3065 * i960.md (all conditional branches): Add "%+".
3067 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3069 * alias.c (get_alias_set): Don't call language-specific routine more
3070 than is needed and clean up code a bit.
3071 * c-common.c (c_get_alias_set): All references whose type
3072 is char get alias set 0, but character types need not.
3073 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3074 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3076 2000-06-01 Bruce Korb <bkorb@gnu.org>
3078 * fixinc/tests/base/...: new base result files
3080 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3082 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3083 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3084 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3087 2000-06-01 Richard Henderson <rth@cygnus.com>
3089 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3091 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3093 2000-05-31 Richard Henderson <rth@cygnus.com>
3095 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3096 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3097 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3099 2000-05-31 Richard Henderson <rth@cygnus.com>
3101 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3102 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3103 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3104 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3105 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3107 2000-05-31 Richard Henderson <rth@cygnus.com>
3109 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3111 2000-05-31 Richard Henderson <rth@cygnus.com>
3113 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3115 (find_if_block): Allow THEN with no outgoing edges.
3116 * flow.c (merge_blocks_nomove): Remove a barrier not following
3119 2000-05-31 Richard Henderson <rth@cygnus.com>
3121 * flow.c (propagate_block): Move initialization of mem_set_list ...
3122 (init_propagate_block_info): ... here. Also track blocks with
3123 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3125 2000-05-31 Richard Henderson <rth@cygnus.com>
3127 * jump.c (jump_optimize_1): Revert 05-18 change.
3129 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3131 * invoke.texi: Remove documentation for -fguiding-decls.
3133 2000-05-31 Richard Henderson <rth@cygnus.com>
3135 * configure.in: Fix typo last change.
3137 2000-05-31 Philipp Thomas <pthomas@suse.de>
3139 * configure.in (enable-nls): Enable if build == host, i.e. when
3140 not building a canadian cross compiler.
3141 (enable-maintainer-mode): Added for use with i18n.
3142 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3143 cross section of ALL_LINGUAS and LINGUAS.
3144 * configure: Rebuild.
3146 2000-05-31 Bruce Korb <bkorb@gnu.org>
3148 * fixinc/check.tpl: rework to use test result tree
3149 * fixinc/Makefile.in: change invocation of check script
3150 * fixinc/check.diff: No longer needed
3151 * fixinc/fixincl.x: regenerate
3152 * fixinc/inclhack.def: add new tests
3153 * fixinc/tests/base/arch/i960/archI960.h: New test result
3154 * fixinc/tests/base/curses.h: modified test result
3155 * fixinc/tests/base/stdio.h: ditto
3156 * fixinc/tests/base/time.h: ditto
3157 * fixinc/tests/base/sys/asm.h: ditto
3158 * fixinc/tests/base/sys/stat.h: ditto
3159 * fixinc/tests/base/sys/wait.h: ditto
3161 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3163 * except.c (clear_function_eh_region): Do not free NULL.
3165 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3167 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3168 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3169 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3170 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3171 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3172 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3173 (get_alias_set): Likewise.
3174 Major rework to do more things and allow language-specific code
3175 to just handle special-cases.
3176 (record_alias_subset): Args are HOST_WIDE_INT.
3177 (record_component_alias): Local vars are HOST_WIDE_INT.
3178 Don't handle COMPLEX_EXPR.
3179 (get_varargs_alias_set): Moved from builtins.c.
3180 (get_frame_alias_set): New function.
3181 * builtins.c (expand_builtin_return_address): Use frame alias set.
3182 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3184 (get_memory_rtx): Rework to use set_mem_attributes.
3185 (get_varargs_alias_set): Deleted from here.
3186 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3187 (c_find_base_decl): Deleted from here.
3188 (c_get_alias_set): Remove many cases and rework to just handle
3190 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3191 * c-decl.c (rtl.h, expr.h): Now included.
3192 (init_decl_processing): Call record_component_aliases on array types.
3193 (grokdeclarator): Likewise.
3194 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3195 * c-typeck.c (common_type): Call record_component_aliases for array.
3196 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3197 Set all save areas to the frame alias set.
3198 * calls.c (initialie_argument_information): Call set_mem_attributes.
3199 (compute_argument_addresses, expand_call): Likewise.
3200 * explow.c (set_mem_attributes): New function.
3201 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3202 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3203 LEN and OFFSET now HOST_WIDE_INT.
3204 (clear_by_pieces): Similar changes.
3205 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3206 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3207 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3208 (clear_by_pieces_1): Likewise.
3209 (emit_push_insn): Call set_mem_attributes.
3210 (expand_expr, case INDIRECT_REF): Likewise.
3211 (expand_expr, case VAR_DECL): Call change_address.
3212 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3214 (get_varargs_alias_set, get_frame_alias_set): New decls.
3215 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3216 (new_alias_set, set_mem_attributes): Likewse.
3217 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3218 (assign_stack_temp_for_type): Likewise.
3219 Can split slot even if alias set since can copy.
3220 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3221 (assign_temp): Use host_integerp and tree_low_cst.
3222 (put_var_into_stack): Properly handle SAVE_EXPR.
3223 (put_addressof_into_stack): Likewise.
3224 (assign_parms): Call set_mem_attributes.
3226 (fix_lexical_address): Put reference to chain into frame alias set.
3227 (expand_function_start): Call set_mem_attributes.
3228 * integrate.c (expand_inline_function): Likewise.
3229 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3230 * regmove.c (try_apply_stack_adjustment): Likewise.
3231 * reload.c (push_reload, make_memloc): Likewise.
3232 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3233 * rtl.def (MEM): Update comment.
3234 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3235 (move_by_pieces): Change length to HOST_WIDE_INT.
3236 (record_base_value, record_alias_subset): Delete from here.
3237 * stmt.c (expand_decl): Call set_mem_attributes.
3238 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3239 * toplev.c (compile_file): Call init_alias_once earlier.
3240 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3241 from here: now in alias.c.
3242 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3243 (struct tree_decl): Likewise.
3244 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3245 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3246 (output_constant_def, force_const_mem): Likewise.
3248 * flow.c (propagate_block): If block has no successors, stores to
3249 frame are dead if not used.
3251 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3253 * stmt (expand_end_case): Reorder conversion sequence for jump
3254 table to avoid extra truncations.
3256 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3258 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3259 in the block is more than just a simple conditional branch.
3260 (noce_process_if_block): Similarly.
3262 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3264 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3267 2000-05-30 Michael Meissner <meissner@redhat.com>
3269 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3270 instructions. Treat LO_SUM operations as loading the full integer
3273 2000-05-30 Richard Henderson <rth@cygnus.com>
3275 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3277 2000-05-30 Richard Henderson <rth@cygnus.com>
3279 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3281 2000-05-30 Bruce Korb <bkorb@gnu.org>
3283 * fixinc/tests/*: Added expected result files for fixinc's make check
3284 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3286 2000-05-30 Richard Henderson <rth@cygnus.com>
3288 * config/alpha/alpha.md (*setne_internal): Use match_operator
3289 instead of working down from insn.
3291 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * invoke.texi (-Wtraditional): Update WRT function macros.
3295 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3297 * except.c (free_exception_table): Do not free NULL.
3299 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3301 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3302 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3305 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3307 * flow.c (mark_used_reg): If a register is unconditionally live,
3308 remove any conditional death information.
3310 2000-05-29 Richard Henderson <rth@cygnus.com>
3312 * final.c (current_output_insn): New.
3313 (final_scan_insn): Set it.
3314 * output.h: Declare it.
3316 2000-05-29 Richard Henderson <rth@cygnus.com>
3318 * stor-layout.c (finalize_record_size): Fix typo.
3320 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3323 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3325 * cpplib.h (cpp_reader): Remove if_stack. Change
3326 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3327 * cpphash.h (struct ihash): Change control_macro to a
3328 cpp_hashnode * and shorten name to cmacro.
3329 Add NEVER_REINCLUDE constant.
3331 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3332 Examine the cmacro node directly, no need to call cpp_defined.
3333 (_cpp_execute_include, read_include_file): Set cmacro to
3334 NEVER_REINCLUDE, not U"".
3335 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3336 (cpp_get_token): If pfile->skipping is true, discard text and
3337 keep scanning until we hit a directive; don't expand macros.
3339 * cpplib.c (struct if_stack): Remove if_succeeded, add
3340 was_skipping. Change control_macro to a cpp_hashnode * and
3341 shorten name to cmacro. Remove typedef IF_STACK.
3342 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3343 (conditional_skip, skip_if_group,
3344 consider_directive_while_skipping): Delete.
3345 (push_conditional): New.
3346 (_cpp_handle_directive): Don't process directives other than
3347 conditionals if we are skipping.
3349 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3350 Update to new scheme.
3351 (validate_else): Skip rest of line here, unconditionally.
3352 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3353 pfile->skipping off.
3355 (all): Remove `scare quotes' from error messages.
3357 2000-05-29 Richard Henderson <rth@cygnus.com>
3359 * function.c (emit_return_into_block): New line_note arg; emit it.
3360 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3361 for the close brace to accompany HAVE_return. Move all line notes
3362 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3364 2000-05-29 Richard Henderson <rth@cygnus.com>
3366 * longlong.h [__alpha] (count_leading_zeros): New.
3367 (count_trailing_zeros): New.
3368 (COUNT_LEADING_ZEROS_0): New.
3370 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3371 (alpha_split_conditional_move): New.
3372 * config/alpha/alpha-protos.h: Prototype them.
3373 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3374 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3375 * config/alpha/alpha.md: Update ffs cix commentary.
3377 (*nabssf2, *nabsdf2): New.
3378 (*mov[qhsd]icc_internal): Use add_operand.
3379 (if_then_else constant splitters): New.
3380 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3381 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3383 2000-05-29 Richard Henderson <rth@cygnus.com>
3385 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3386 a constant to NEG or NOT when conditions allow.
3388 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3389 unless both args are general_operand. Don't canonicalize plus
3390 to ior unless it helps.
3392 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3393 instead track register_life_up_to_date. Toggle no_new_pseudos
3396 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3398 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3399 so output_operand doesn't see them.
3401 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3403 * lcm.c (make_preds_opaque): Fix comment.
3404 (optimize_mode_switching): Use NORMAL_MODE instead of
3405 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3406 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3407 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3408 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3409 (MODE_USES_IN_EXIT_BLOCK): Delete.
3410 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3411 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3412 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3413 (MODE_NEEDED): Don't look for USE.
3414 (EPILOGUE_USES): Define.
3416 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3418 * mklibgcc.in (all): Variable initialised to `libgcc'.
3420 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3422 * toplev.h (skip_leading_substring): New macro.
3423 * toplev.c (decode_f_option): Use skip_leading_substring instead
3425 (decode_W_option): Likewise.
3427 2000-05-28 Nick Clifton <nickc@cygnus.com>
3429 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3432 2000-05-28 Richard Henderson <rth@cygnus.com>
3434 * regclass.c (record_operand_costs): Protect reg_changes_size
3435 with CLASS_CANNOT_CHANGE_SIZE.
3437 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3439 2000-05-28 Richard Henderson <rth@cygnus.com>
3441 * function.c (diddle_return_value): A pcc-style struct return
3444 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3446 * cppfiles.c: Read files in, using mmap if possible, then
3447 prescan them separately.
3448 (read_file, read_with_read): New functions.
3449 * cpplex.c: Don't define UCHAR_MAX.
3450 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3453 * cppinit.c (handle_option): Automatically define __cplusplus,
3454 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3455 the respective -lang switch.
3457 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3458 prototype): Move to...
3459 * cpplib.h: ... here. Rename struct hashnode to struct
3460 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3461 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3463 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3465 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3467 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3468 (class_can_change_size): New variable.
3469 (reg_changes_size): New variable.
3470 (init_reg_sets_1): Initialise class_can_change_size.
3471 (record_operand_costs): Remove subreg_changes_size.
3472 Don't pass it around. Instead update reg_changes_size.
3473 (regclass): Initialise and free reg_changes_size. If a register
3474 changes size, don't preference it to a class that contains
3475 registers that can't change size.
3476 (record_reg_classes): Don't look at subreg_changes_size.
3478 2000-05-27 Richard Henderson <rth@cygnus.com>
3480 * print-rtl.c (reg_names): Remove const.
3481 * regclass.c (reg_names): Likewise.
3482 * regs.h (reg_names): Likewise.
3483 * hard-reg-set.h (reg_names): Likewise.
3485 2000-05-27 Richard Henderson <rth@cygnus.com>
3487 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3489 2000-05-27 Richard Henderson <rth@cygnus.com>
3491 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3492 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3493 (alpha_expand_prologue): Emit prologue_mcount if needed.
3494 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3495 * config/alpha/alpha.md (prologue_mcount): New.
3496 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3497 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3498 * config/alpha/netbsd.h: Likewise.
3500 2000-05-27 Richard Henderson <rth@cygnus.com>
3502 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3503 change to config/elfos.h.
3505 2000-05-27 Richard Henderson <rth@cygnus.com>
3507 * Makefile.in (resource.o): Depend on except.h.
3508 * except.h (output_exception_table_data): Prototype.
3509 * genconfig.c (gen_peephole2): Prototype.
3510 * genemit.c (main): Include ggc.h.
3511 * genoutput.c: Revert parts of last change: include errors.h
3512 (main): Set progname.
3513 * recog.c: Include hard-reg-set.h before recog.h.
3514 * resource.c: Include except.h.
3516 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3518 (alpha_write_linkage): Protect with BUFSIZ.
3519 (alpha_need_linkage): Update prototype.
3520 * config/alpha/alpha.c (function_arg): Move VMS code here.
3521 (alpha_links_base): Remove.
3523 (mark_alpha_links_node, mark_alpha_links): New.
3524 (alpha_write_one_linkage): New.
3525 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3526 (alpha_write_linkage): Use splay_tree_foreach.
3527 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3528 to get the linkage symbol.
3529 (call_value_vms): Likewise.
3530 * config/alpha/elf.h (output_file_directive): Remove decl.
3531 (ctors_section, dtors_section): Prototype.
3532 (sbss_section, sdata_section): Prototype.
3533 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3534 (readonly_section, link_section, literals_section): Prototype.
3535 (ctors_section, dtors_section): Prototype.
3536 (vms_valid_decl_attribute_p): Remove decl.
3537 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3539 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3541 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3543 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3544 substituting the REG in a (subreg:X (reg:Y ...)).
3546 2000-05-28 Neil Booth <NeilB@earthling.net>
3548 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3549 first token of a line BOL. Update EOF code for this.
3550 Remove illegal directive check - it appears in the (not
3551 yet committed) caller.
3552 * cpplib.h (BOL): New flag.
3554 2000-05-28 Neil Booth <NeilB@earthling.net>
3556 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3557 (_cpp_free_toklist): No comment space to free.
3558 (expand_comment_space): Remove.
3559 (save_comment_space): Place the comment in the current token and
3560 not in a separate comment space.
3561 (_cpp_lex_line): Save comments during plain code and #define
3563 * cpplib.h (struct _cpp_toklist): Remove comment space.
3565 2000-05-28 Neil Booth <NeilB@earthling.net>
3567 * cppexp.c (parse_assertion): Supply extra argument to
3569 * cpplib.c (do_assert, do_unassert): Similarly.
3570 * cpphash.h (_cpp_init_toklist) Update.
3571 (_cpp_expand_token_space): New.
3572 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3573 * cpplex.c (_cpp_init_toklist): New argument.
3574 (parse_string2): New argument multiline_ok.
3575 (spell_token): Take a const cpp_token *.
3576 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3577 (SPELL_ macros): Replace with enum.
3578 (expand_token_space): Replace with _cpp_expand_token_space.
3579 Take COUNT argument.
3580 (IS_DIRECTIVE): Update.
3581 (_cpp_lex_line): Update token structure before parsing number.
3582 Don't assume start at beginning of token list.
3583 (save_comment): Use INIT_TOKEN_NAME.
3585 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3587 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3588 -Wmissing-prototypes.
3589 * configure: Regenerate.
3590 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3592 * builtins.c, calls.c: Change all instances of gen_call_* or
3593 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3594 * calls.c (struct_value_size_rtx): Separate definition from
3595 initialization to avoid unused variable warning.
3597 * genflags.c (gen_macro): New function.
3598 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3599 (gen_nonproto): Delete.
3600 (gen_insn): Put all insns on the same obstack.
3601 (main): Generate prototypes for everything unconditionally.
3603 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3604 out check for wchar_t.
3605 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3606 * system.h: Add infrastructure for defining missing
3607 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3608 definitions of UCHAR_MAX and SSIZE_MAX.
3609 * configure: Regenerate.
3610 * config.in: Regenerate.
3612 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3613 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3615 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3616 libgcc2.a, or libgcc1.null.
3618 2000-05-27 Richard Henderson <rth@cygnus.com>
3620 * Makefile.in (recog.o): Don't depend on resource.h.
3621 * recog.c: Don't include resource.h.
3622 (recog_last_allowed_insn): Remove.
3623 (recog_next_insn): Remove.
3624 (struct peep2_insn_data): New.
3625 (peep2_insn_data, peep2_current): New.
3626 (peep2_next_insn): New.
3627 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3628 (peep2_find_free_register): New.
3629 (peephole2_optimize): Track life information by insn as we go.
3630 * recog.h: Update declarations.
3631 * resource.c (find_free_register, reg_dead_p): Remove.
3632 * resource.h: Remove their declarations.
3633 * toplev.c: Include hard-reg-set.h before recog.h.
3635 * genconfig.c (max_insns_per_peep2): New.
3636 (gen_peephole2): New.
3638 * genemit.c (output_peephole2_scratches): Generate calls to
3639 peep2_find_free_register; adjust surrounding code.
3640 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3641 * genrecog.c (change_state): Don't track last_insn.
3642 (write_action): Write into *_pmatch_len before accepting.
3643 (write_tree): Adjust peephole2_insns and subroutines to match.
3645 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3647 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3648 (hard_int_register_operand): New.
3649 * config/alpha/alpha-protos.h: Declare it.
3650 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3651 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3652 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3654 2000-05-27 Richard Henderson <rth@cygnus.com>
3656 * function.c (thread_prologue_epilogue_insns): Don't move the
3657 line note at the head of the chain. Only force a lineno note
3658 before the end of block 0.
3660 2000-05-27 Richard Henderson <rth@cygnus.com>
3662 * gensupport.c (collect_insn_data): Record the maximum number
3663 of alternatives, not the last seen.
3665 * genoutput.c: Don't include errors.h.
3666 (struct data): Add lineno member.
3668 (scan_operands): Use message_with_line instead of error.
3669 (validate_insn_alternatives): Likewise.
3670 (gen_insn): Accept and store the pattern's line number.
3671 (gen_peephole, gen_expand, gen_split): Likewise.
3672 (main): Don't set progname. Pass line_no to gen_foo.
3674 2000-05-27 Richard Henderson <rth@cygnus.com>
3676 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3677 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3678 * config/d30v/d30v.md (attr predicable): New.
3679 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3680 (andsi3*): Unify into one pattern.
3681 (iorsi3*, xorsi3*): Likewise.
3682 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3684 (old cond_exec patterns): Remove.
3685 (define_cond_exec): New.
3687 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3689 * tree.h (TREE_CODE_LENGTH): New macro.
3690 * c-common.c (c_find_base_decl): Use it.
3691 * expr.c (safe_from_p): Likewise.
3692 * print-tree.c (print_node): Likewise.
3693 * tree.c (make_node, copy_node, get_identifier): Likewie.
3694 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3695 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3696 * fold-const.c (make_range): Likewise.
3697 (fold): Likewise; also use first_rtl_op.
3698 * c-iterate.c (collect_iterators): Use first_rtl_op.
3699 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3700 Use IS_EXPR_CODE_CLASS.
3701 (preexpand_calls): Likewise.
3702 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3703 and TREE_CODE_LENGTH.
3704 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3706 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3708 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3710 (movdi_internal64): Likewise.
3712 * config/rs6000/rs6000.md: Correct order of operands for DImode
3715 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3716 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3717 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3718 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3719 boolean_operator for the boolean patterns without NOTs.
3721 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3722 from reg_or_u_cint_operand. Change comment and behaviour.
3723 (logical_operand): Clean up, add assertion.
3724 (non_logical_cint_operand): Also check for
3725 reg_or_logical_cint_operand.
3726 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3727 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3733 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3735 * tree.h (struct record_layout_info): Rename to (struct
3736 record_layout_info_s).
3737 * stor-layout.c (start_record_layout): Replace
3738 `record_layout_info' with `record_layout_info_s'.
3740 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3742 * flow.c (find_label_refs): New function.
3743 (find_basic_blocks_1): Call it for each alternative of a call
3746 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3748 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3751 2000-05-25 Richard Henderson <rth@cygnus.com>
3753 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3754 so strict about DImode.
3755 (alpha_swapped_comparison_operator): Likewise.
3756 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3757 any integer output mode.
3758 (*setcc_internal): Likewise.
3759 (*setcc_swapped_internal): Likewise.
3760 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3761 (*mov[qhs]icc_internal): New.
3762 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3764 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3766 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3768 2000-05-25 Richard Henderson <rth@cygnus.com>
3770 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3771 Remove add_jump; add next; replace flags with visited.
3773 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3774 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3775 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3776 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3778 (reorder_index, reorder_last_visited): Remove.
3779 (skip_insns_after_block): Rewrite to use a switch.
3780 (get_common_dest): Remove.
3781 (chain_reorder_blocks): Remove.
3782 (record_effective_endpoints): Split out from reorder_basic_blocks.
3783 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3784 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3785 Only construct the reorder chain, do not move insns. Try harder
3787 (label_for_bb, emit_jump_to_block_after): New.
3788 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3789 and adjust the jump insns appropriately. Fixup basic_block_info.
3790 (verify_insn_chain): Always define.
3791 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3793 (make_new_scope): Don't write zeros to calloc'd space.
3794 (build_scope_forest): Rely on xrealloc to DTRT.
3795 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3796 profile_arc_flag. Streamline EH test.
3798 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3799 * basic-block.h: Declare them.
3801 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3803 * emit-rtl.c (reset_used_decls): New function.
3804 (unshare_all_rtl_again): Call it.
3806 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3808 * cpplex.c (maybe_macroexpand): Warn about function-like
3809 macros used in non-function context, if -Wtraditional.
3811 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3813 * recog.c (peephole2_optimize): Use INSN_P.
3815 2000-05-25 Richard Henderson <rth@cygnus.com>
3817 * ifcvt.c (seq_contains_jump): New.
3818 (noce_try_store_flag_constants): Use it to fail conversion.
3819 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3821 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3823 * except.h (can_throw): Declare it.
3824 * except.c (can_throw): Give it external linkage.
3825 * resource.c (find_dead_or_set_registers): Use can_throw.
3827 2000-05-25 Richard Henderson <rth@cygnus.com>
3829 * flow.c (mark_set_1): Don't record conditionally dead memory.
3831 2000-05-25 Jan Hubicka <jh@suse.cz>
3833 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3834 and pc_set at the place of simplejump_p and condjump_p.
3835 * cse.c (record_jump_equiv): Likewise.
3836 * emit-rtl.c (emit): Likewise.
3837 * explow.c (find_next_ref): Likewise.
3838 * flow.c (tidy_fallthru_edge): Likewise.
3839 (init_propagate_block_info): Likewise.
3840 * gcse.c (delete_null_pointer_checks): Likewise.
3841 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3842 dead_or_predicable): Likewise.
3843 * integrate.c (copy_insn_list): Likewise.
3844 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3845 for_each_insn_in_loop, check_dbra_loop, get_condition,
3846 insert_bct, load_mems): Likewise.
3847 * resource.c (find_dead_or_set_registers): Likewise.
3848 * sibcalls.c (simplejump_p): Likewise.
3849 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3851 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3853 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3854 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3856 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3857 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3858 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3859 * rs6000.md: Name various internal patterns.
3861 2000-05-25 Jan Hubicka <jh@suse.cz>
3863 * jump.c (invert_exp_1): Remove first argument, use pc_set
3864 to get the expression.
3865 (redirect_exp): Make static; redirect only the pc_set expression,
3866 remove first argument.
3867 (invert_exp): Remove first argument, make static.
3868 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3869 any_onlyjump at most places where we originaly did condjump_p
3871 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3872 (delete_barrier_succesors): Use pc_set.
3873 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3874 calls of invert_exp and redirect_exp.
3875 * rtl.h (redirect_exp, invert_exp): Remove.
3876 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3878 2000-05-25 Richard Henderson <rth@cygnus.com>
3880 * stmt.c (expand_end_bindings): Fix thinko last change.
3882 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3883 Andrew Haley <aph@cygnus.com>
3885 * except.c (func_eh_entry): Add emitted field.
3886 (new_eh_region_entry): Set emitted field to 0;
3887 (output_exception_table_entry): Only emit previously un-emitted data,
3888 and send it to the eh_data section.
3889 (output_exception_table): Break out common parts. Output
3890 exception table for entire compilation unit to eh_data section.
3891 (output_exception_table_data): Common parts of output_exception_table.
3892 Send output to eh_data section.
3893 (output_function_exception_table): Output exception table data for
3894 a single function to eh_data section.
3895 (free_exception_table): New external to free the table.
3896 * except.h (free_exception_table): Add prototype.
3897 (output_function_exception_table): Add prototype.
3898 * final.c (final_end_function): Output function exception table
3899 for IA64_UNWIND_INFO.
3900 (final_scan_insn): Emit any unwind directives for an insn.
3902 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3904 * frame.c: Remove all DWARF 2 specific code.
3905 * config/ia64/frame-ia64.c: New file.
3906 (gthread_stuff): Make all gthread available with
3908 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3909 (__register_frame_info, __register_frame): Move to common area of file.
3910 (__register_frame_info_table, __register_frame_table): Move to common i
3912 (__deregister_frame_info, __deregister_frame): Move to common area.
3913 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3914 (read_uleb128): New version for ia64.
3915 (get_unwind_record): Read the next IA-64 unwind record.
3916 (read_R_record): Read a region header record.
3917 (process_a_b_reg_code): X record helper.
3918 (read_X_record): Read an X format record.
3919 (read_B_record): Read a B format record.
3920 (P3_record_types): List of record types matching the P3 format.
3921 (P7_record_types): List of record types matching the P7 format.
3922 (P8_record_types): List of record types matching the P8 format.
3923 (read_P_record): Read a P format record.
3924 (init_ia64_reg_loc): Set default fields for a register.
3925 (init_ia64_unwind_frame): Set defaults for all register records.
3926 (execute_one_ia64_descriptor): Execute one descriptor record.
3927 (rse_address_add): Calculate the position of a local reg in memory.
3928 (normalize_reg_loc): Turn a location descriptor into a memory address.
3929 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3930 within a specified PC offset range.
3931 (get_real_reg_value): Given a register location, retrieve its value.
3932 (set_real_reg_value): Change the value of a register location.
3933 (copy_reg_value): Copy reg values, if needed.
3934 (copy_saved_reg_state): Copy all registers that need to be copied.
3935 (process_state_between): Normalize all frame register records that
3936 fall within the specified PC range.
3937 (frame_translate): Take a processed frame description, and turn
3938 everything into addresses.
3939 (build_ia64_frame_state ): Find and create frame state record for a PC.
3940 (get_personality): Get the personality routine for a given frame.
3941 (get_except_table): Get the exception table for a given frame.
3942 (record_name): Unwind record names for debugging.
3943 (print_record): Print and unwind record.
3944 (print_all_records): Print an entire unwind image.
3945 (__ia64_backtrace): Print a backtrace.
3946 (ia64_backtrace_helper): New function.
3947 (__register_frame_info_aux): New function.
3948 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3950 * frame.h (enum unw_record_type): New unwind record types.
3951 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3952 (struct unw_r_record, unwind_record): New unwind record structs.
3953 (struct unwind_info_ptr): Unwind information layout.
3954 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3956 (struct ia64_reg_loc): Register location description.
3957 (struct ia64_frame_state): Location of all registers in a frame.
3958 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3959 * libgcc2.c (__ia64_personality_v1): Personality routine.
3960 (__calc_caller_bsp): Calculate the bsp register for the caller's
3962 (ia64_throw_helper): Figure out who to return to and set up the
3964 (__throw): Throw routine.
3966 * output.h (assemble_eh_align, assemble_eh_label): New functions
3967 to generate EH info where we want it.
3968 (assemble_eh_integer): New function.
3969 * toplev.c (compile_file): Output module level exception table for
3971 (main): Set exceptions_via_longjump and flag_new_exceptions based
3972 on IA64_UNWIND_INFO too.
3974 * varasm.c (assemble_eh_label): Generate a label via
3975 ASM_OUTPUT_EH_LABEL if it has been specified.
3976 (assemble_eh_align): Generate an alignment directive via
3977 ASM_OUTPUT_EH_ALIGN if it has been specified.
3978 (assemble_eh_label): Generate an integer value via
3979 ASM_OUTPUT_EH_type if they have been specified.
3980 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3981 (ia64_init_builtins): Add __builtin_ia64_bsp
3982 and __builtin_ia64_flushrs.
3983 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3984 IA64_BUILTIN_FLUSHRS.
3985 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3986 IA64_BUILTIN_FLUSHRS.
3988 * config/ia64/ia64.md (flushrs): New insn to flush the register
3989 stack. Add to unspec list.
3991 * config/ia64/crtbegin.asm (frame_object): Change size.
3992 (__do_frame_setup_aux): New function.
3993 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3994 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3995 * Makefile.in (LIB2ADDEH): Add.
3996 (LIB2ADD): Use LIB2ADDEH.
3998 2000-05-24 Richard Henderson <rth@cygnus.com>
4000 * recog.c (offsettable_address_p): If mode size is zero, assume
4003 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4005 * configure.in: Check for -Wno-long-long option support and improve
4006 handling of warning CFLAGS for stages 1 and 2.
4007 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4008 * configure: Regenerate.
4010 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4012 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4013 * contrib.texi: New file.
4015 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4017 * loop.c (basic_induction_var): Avoid double recording of an increment.
4019 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4021 * Back out this patch:
4022 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4023 * loop.h (struct induction): Add multi_insn_incr.
4024 * loop.c (basic_induction_var): New multi_insn_incr argument.
4025 Set it if we search back through previous insns for the biv.
4026 (record_biv): New multi_insn_incr argument; fill in struct induction.
4027 (strength_reduce): Discard an iv with multiple bivs, any of
4028 which require multiple insns to increment.
4030 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4032 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4034 * rtl.h (loc_mentioned_in_p): Declare.
4035 * reload.c (loc_mentioned_in_p): Moved from here...
4036 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4037 Fix loop increment for 'E' handling.
4038 * loop.c (strength_reduce): When doing biv->giv conversion,
4039 take multi-insn biv increments into account.
4041 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4043 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4046 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4048 * calls.c (expand_call): Handle cleanups in tail-recursion
4049 arguments analagously to cleanups in sibling calls.
4051 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4054 All callers changed.
4056 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4058 * expr.c (expand_assignment, store_expr, expand_expr,
4059 expand_expr_unaligned): Set in_check_memory_usage while emitting
4060 chkr_check_addr libcall.
4062 2000-05-24 Nick Clifton <nickc@cygnus.com>
4064 * fold-const.c (extract_muldiv): When constructing a
4065 multiplier/divisor, do not expect const_binop to correctly
4066 determine if overflow has occured, so check explicitly.
4068 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4070 * c-decl.c (build_enumerator): Don't modify the value's type,
4073 2000-05-24 Andreas Jaeger <aj@suse.de>
4075 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4077 2000-05-24 Eric Christopher <echristo@cygnus.com>
4079 * configure.in: Redefine inhibit_libc conditions.
4080 * libgcc2.c: Remove inhibit_libc conditional define.
4081 * configure: Regenerate.
4083 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4085 * configure.in: For --enable-languages=LIST, check for empty LIST.
4086 * configure: Regenerate.
4088 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4090 * pdp11.h (STACK_BOUNDARY): Define.
4092 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4094 * ifcvt.c (if_convert): Update life info globally.
4096 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4098 * emit-rtl.c (unshare_all_decls): New function.
4099 (unshare_all_rtl): Call it.
4101 2000-05-23 Nick Clifton <nickc@cygnus.com>
4103 * configure.in: Treat 'strongarm' as if it were 'arm' when
4104 determining cpu type.
4106 * configure: Regenerate.
4108 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4109 where constant strings are involved.
4111 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4114 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4115 cases where constant strings are involved.
4117 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4119 * config/sh/sh.c (gen_far_branch, split_branches): Update
4120 to reflect new prototypes for redirect_jump and invert_jump.
4121 (sh_insn_length_adjustment): Get rid of const warnings.
4123 2000-05-23 Kazu Hirata <kazu@hxi.com>
4125 * invoke.texi (Options for Debugging Your Program or GCC): Update
4126 the names of dump files.
4128 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4130 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4131 * configure: Regenerated.
4133 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4135 * simplify-rtx.c (SIGN_EXTEND): New macro.
4136 (simplify_unary_operation, simplify_binary_operation,
4137 simplify_relational_operation): Use SIGN_EXTEND. Make low
4138 halves of (low, high) pairs unsigned if they weren't already.
4139 (simplify_ternary_operation): Cast INTVAL to unsigned before
4140 comparing to a MODE_BITSIZE.
4142 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4144 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4145 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4147 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4148 gcc_AC_NEED_DECLARATIONS.
4150 * dwarfout.c: Don't prototype time().
4152 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4154 * system.h: Likewise.
4156 * toplev.c: Likewise.
4158 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4160 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4162 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4164 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4166 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4168 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4170 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4172 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4173 (alpha_start_function): Never write ..ng label if VMS or NT.
4174 (alpha_align_insns): Remove GP_IN_USE arg.
4175 Alignment now unsigned.
4176 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4177 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4178 and two define_insn's.
4180 2000-05-22 Richard Henderson <rth@cygnus.com>
4182 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4184 2000-05-22 Richard Henderson <rth@cygnus.com>
4186 * stor-layout.c (place_field): Change rli->size to rli->offset.
4188 2000-05-22 Richard Henderson <rth@cygnus.com>
4190 * function.c (thread_prologue_and_epilogue_insns): Make sure
4191 existing line number notes appear after the prologue.
4193 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4195 * config/alpha/alpha.c (alpha_fnname): New static variable.
4196 (print_operand, case '~'): New case.
4197 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4198 (alpha_start_function): Set alpha_fnname.
4199 Write "ng" label if no ldgp; don't write ldgp insn.
4200 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4201 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4203 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4205 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4208 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4210 * varasm.c (eh_frame_section): Revert change to argument list.
4212 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4214 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4215 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4217 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4218 dangling "else" that causes "break" to be conditional.
4219 Also remove unneeded code at start.
4221 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4223 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4224 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4225 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4227 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4229 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4232 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4234 * alias.c (record_component_aliases): New function.
4235 * tree.h: Clean up some declarations and comments.
4236 (record_component_aliases): New declaration.
4237 * tree.c (get_alias_set): If type and has alias set, use it.
4239 2000-05-22 Richard Henderson <rth@cygnus.com>
4241 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4242 IF_THEN_ELSE to a setcc form.
4243 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4245 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4247 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4248 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4250 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4252 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4255 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4257 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4258 * config/mn10300/mn10300.c (print_operand): Likewise.
4260 * final.c (split_double): Right shift of negative values is not
4263 * ifcvt.c (if_convert): Scan and kill dead code.
4265 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4267 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4269 * diagnostic.c: Eliminate implicit int.
4270 * except.c, gcc.c: Add static prototypes.
4271 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4272 * gensupport.c (process_rtx): Use XVEC to initialize vector
4275 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4276 debug_reg_names instead of static reg_names. If not, define
4278 * regclass.c: Don't define global reg_names unless
4279 DEBUG_REGISTER_NAMES is defined.
4281 * reload1.c (order_regs_for_reload): Remove unused variable.
4282 * varasm.c: Include output.h after defaults.h. Define
4283 eh_frame_section as function of no args, not of unspecified args.
4285 * gcc.c: Constify argbuf; arguments to store_arg,
4286 process_command, main; elements of struct command and struct
4287 switchstr; local variables in execute, process_command, main.
4289 2000-05-20 Bruce Korb <bkorb@gnu.org>
4291 * fixinc/inclhack.def: many applications of c_fix=format + tests
4292 * fixinc/check.diff: regenerated
4293 * fixinc/fixincl.x: regenerated
4295 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4297 * alias.c: Clarify some comments.
4298 (record_base_value): REGNO is unsigned.
4299 * rtl.h (record_base_value): Likewise.
4301 * alias.c (aliases_everything_p): Don't special-case QImode here.
4302 * c-common.c (c_get_alias_set): Do it here.
4303 Handle BIT_FIELD_REF by getting alias info for arg.
4306 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4308 * mklibgcc.in: Restore rule to create ${dir}.
4310 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4312 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4313 GCC_FOR_TARGET used by MULTILIBS.
4314 * mklibgcc.in: Make sure each .o file depends on the
4315 directory it will be in.
4316 Make the multilib directory depends libgcc.
4318 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4320 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4322 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4324 * fold-const.c (make_range): Handle degenerated intervals.
4325 Fixes c-torture/execute/991221-1.c
4327 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4329 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4330 * reload.c (find_equiv_reg): Likewise.
4331 * alias.c (init_alias_analysis): Likewise.
4332 Only call prologue_epilogue_contains on insns.
4333 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4334 * bb-reorder.c (hard-reg-set.h): Include earlier.
4335 * haifa-sched.c (hard-reg-set.h): Likewise.
4336 * ifcvt.c (hard-reg-set.h): Likewise.
4337 * local-alloc.c (hard-reg-set.h): Likewise.
4338 * loop.c (hard-reg-set.h): Likewise.
4339 * predict.c (hard-reg-set.h): Likewise.
4340 * regrename.c (hard-reg-set.h): Likewise.
4341 * flow.c (hard-reg-set.h): Likewise.
4342 (reg_set_to_hard_reg_set): New function.
4343 * bitmap.c (regs.h, basic-block.h): No longer include.
4344 (bitmap.h): Now include.
4345 * conflict.c (hard-reg-set.h): Include.
4346 * profile.c (hard-reg-set.h): Likewise.
4347 * print-rtl.c (hard-reg-set.h): Likewise.
4348 * sbitmap.c (hard-reg-set.h): Likewise.
4349 * toplev.c (hard-reg-set.h): Likewise.
4350 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4351 * hard-reg-set.h (reg_names): Now constant.
4352 * regs.h (reg_names): Likewise.
4353 * regclass.c (reg_names): Likewise.
4354 * loop.h (basic-block.h): No longer include.
4355 (bitmap.h): Now include.
4356 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4357 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4358 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4360 2000-05-19 Jan Hubicka <jh@suse.cz>
4361 Richard Henderson <rth@cygnus.com>
4363 * basic-block.h (struct edge_def): New field "count".
4364 (struct basic_block_def): Likewise.
4365 * flow.c (entry_exit_blocks): Add count fileds.
4366 (split_edge): Keep count information up-to-date.
4367 (dump_edge_info, dump_flow_info): Dump count fields.
4369 * final.c (count_instrumented_edges): Rename to edge from arc.
4370 (end_final): Update users.
4371 * profile.c: Include expr.h, basic-block.h.
4372 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4373 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4374 (ignore_next_note, return_label_execution_count): Kill.
4375 (bbg_file_name, da_file_name): Kill.
4376 (edge_info, bb_info): New structures.
4377 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4378 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4379 (total_num_edges_instrumented): Likewise.
4380 (init_arc, expand_spanning_tree): Kill.
4381 (fill_spanning_tree, tablejump_entry_p): Kill.
4382 (instrument_edges): Rewrite from instrument_arcs to use
4383 commit_edge_insertions infrastructure.
4384 (compute_branch_probabilities): Remove arguments; rewrite for
4385 CFG infrastructure; use rtl_dump_file directly.
4386 (branch_prob, find_spanning_tree): Likewise.
4387 (union_groups, find_group): New.
4388 (init_branch_prob): Make bbg_file_name and da_file_name local.
4389 (end_branch_prob): Use rtl_dump_file directly.
4390 (init_edge_profiler): Rename to edge from arc.
4391 (output_arc_profiler): Kill.
4392 (gen_edge_profiler): New.
4393 (output_func_start_profiler): Turn off profiling. Make the
4394 constructor static when we can.
4395 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4397 * toplev.c (DFI_flow): Remove.
4398 (DFI_cfg, DFI_life): New.
4399 (dump_file): Update accordingly.
4400 (compile_file): Call end_branch_prob if profile_arc_flag too.
4401 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4402 profiling after the CFG is built. Move flow1 life analysis to
4403 DFI_life. Always estimate remaining probabilities.
4405 2000-05-19 Richard Henderson <rth@cygnus.com>
4407 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4409 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4411 2000-05-19 Richard Henderson <rth@cygnus.com>
4413 * jump.c (redirect_jump): Add delete_unused argument. Don't
4414 remove labels and code following when LABEL_NUSES goes to zero.
4415 (invert_jump): Likewise.
4416 (jump_optimize_1): Fix redirect/invert arguments.
4417 (do_cross_jump, thread_jumps): Likewise.
4418 * flow.c (split_edge): Likewise.
4419 * reorg.c (optimize_skip): Likewise.
4420 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4421 * profile.c (instrument_arcs): Likewise.
4422 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4423 * rtl.h: Update prototypes.
4425 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4427 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4429 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4432 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4434 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4435 past l1 when deleting whitespace and markers.
4437 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4438 * cpplib.c (do_unassert): Put the list to compare against on
4441 2000-05-19 Bruce Korb <bkorb@gnu.org>
4443 * fixinc/README: cleaned up old documentation
4444 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4445 * fixinc/check.tpl: compute the list of needed directories
4446 emit "#if defined(name)" because of conflict
4447 omit machine name differences from output differences
4448 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4449 (machine_name): change test text to use `sed' markers
4450 * fixinc/fixincl.x: regen
4452 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4454 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4457 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4459 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4460 it to match the current practice.
4462 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4464 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4466 2000-05-18 Richard Henderson <rth@cygnus.com>
4468 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4469 * rtl.h (insn_dependant_p): Declare it.
4470 * loop.c (strength_reduce): Use it.
4472 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4474 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4475 16-bit and 64-bit clean-up.
4477 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4479 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4480 * configure: Rebuilt.
4482 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4484 * genopinit.c: Use $ for escape sequences in optab patterns.
4485 Remove backslashes from optab patterns. Change $A, $B, $C to
4486 expand to (int) whatever instead of just whatever; remove
4487 explicit (int) from all optab patterns.
4489 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4490 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4491 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4492 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4495 2000-05-18 Richard Henderson <rth@cygnus.com>
4497 * jump.c (jump_optimize_1): Base minimum insn count during
4498 find_cross_jump on BRANCH_COST.
4500 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4502 * print-rtl.c (print_rtx): Only print note line number as string
4503 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4504 * final.c (final_scan_insn): Do nothing for note line number 0.
4506 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4508 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4509 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4510 NOTE_INSN_DELETED_LABEL.
4512 2000-05-18 Nick Clifton <nickc@cygnus.com>
4514 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4515 uninitialised data in .rodata not .bss, and do not interpret an
4516 error in the initialisation value as meaning that the variable
4517 should be placed in the .bss section.
4519 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4521 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4522 not `$ac_cv_prog_cc_cc_c_o'.
4523 * configure: Regenerated.
4525 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4526 Richard Henderson <rth@cygnus.com>
4528 * c-common.h (enum c_tree_index): Add g77 type entries.
4529 (g77_integer_type_node, g77_uinteger_type_node): New.
4530 (g77_longint_type_node, g77_ulongint_type_node): New.
4531 * c-decl.c (init_decl_processing): Initialize them.
4533 2000-05-18 Richard Henderson <rth@cygnus.com>
4535 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4537 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4538 (small_power_of_two): Likewise; use exact_log2.
4539 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4540 (output_adds_subs): Remove.
4541 (two_insn_adds_subs_operand): New.
4542 (split_adds_subs): New.
4543 * config/h8300/h8300-protos.h: Update.
4544 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4545 (CONST_OK_FOR_L): Match strict adds operands.
4546 (CONST_OK_FOR_N): Match struct subs operands.
4547 * config/h8300/h8300.md (adds_subs insns): Remove.
4548 (addhi patterns): Output adds/subs directly.
4549 (addsi_h8300h): Likewise.
4550 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4552 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4554 * cppexp.c (parse_assertion): New.
4555 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4556 (_cpp_parse_expr): Remove case '#'. Don't set
4557 parsing_if_directive.
4558 * cpphash.c (collect_objlike_expansion,
4559 collect_funlike_expansion, collect_params,
4560 _cpp_create_definition): The list no longer has a trailing
4562 * cpphash.h (enum node_type): Add T_ASSERTION.
4563 (struct hashnode): Remove aschain, add pred.
4564 (struct predicate): New.
4567 * cpplex.c (expand_token_space): Handle both offset and
4569 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4570 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4571 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4572 _cpp_equiv_toklists): New.
4573 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4574 stop at any single-character token, not just newline.
4575 (_cpp_lex_token): Remove special cases for #define and #if.
4576 (cpp_get_token): Expect # as a separate token type. Remove
4578 (_cpp_get_directive_token): Remove DIRECTIVE case.
4579 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4581 * cpplib.c (_cpp_check_directive): Set dirno and
4582 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4583 (_cpp_handle_directive): Run # <number> through the same logic
4584 as normal directives.
4585 (do_define): Don't set parsing_define_directive. Use
4586 _cpp_scan_until. The list does not have a VSPACE at the end.
4587 (do_if): Save, clear, and restore only_seen_white around
4589 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4590 (do_assert, do_unassert): Rewrite.
4592 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4593 (LIST_OFFSET): New flag.
4594 (struct cpp_toklist): Replace dir_handler and dir_flags with
4596 (struct cpp_reader): Remove parsing_if_directive and
4597 parsing_define_directive.
4599 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4601 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4602 following the cabs decl which terminate on the following line.
4603 Add the corresponding test_text case.
4605 2000-05-18 Neil Booth <NeilB@earthling.net>
4607 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4608 default tab stop size.
4609 (no_num, OPT_ftabstop): New.
4610 (handle_option): Handle "ftabstop=" command-line option.
4611 (print_help): Document it.
4612 * cpplex.c (COLUMN): Remove.
4613 (handle_newline): Reset col_adjust.
4614 (skip_whitespace): Update col_adjust as tabs encountered.
4615 (_cpp_lex_line): Update to use col_adjust. Call
4616 skip_whitespace for all whitespace.
4617 * cpplib.h (struct cpp_options): New member tabstop.
4618 (struct cpp_reader): New member col_adjust.
4619 (CPP_BUF_COL): Update.
4620 (CPP_BUF_COLUMN): New.
4621 * cpp.texi: Document "-ftabstop=" command line option.
4623 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4625 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4627 * configure: Rebuilt.
4629 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4631 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4633 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4634 HOST_BITS_PER_WIDE_INT is >= 64.
4636 2000-05-17 Richard Henderson <rth@cygnus.com>
4638 * jump.c (jump_optimize_1): Remove inactive but real insns
4639 in jump-to-next-insn optimization.
4641 2000-05-17 Richard Henderson <rth@cygnus.com>
4643 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4644 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4645 Don't call recompute_reg_usage if no_new_pseudos is true.
4646 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4647 Return true if we did work; update global life information.
4648 * basic-block.h (optimize_mode_switching): Update decl.
4650 2000-05-17 Neil Booth <neilb@earthling.net>
4652 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4654 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4656 * cpplib.c: New feature, #pragma system_header.
4657 * cpp.texi: Document special treatment of system headers, and
4658 the various mechanisms to get a header that special treatment.
4660 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4662 * system.h (offsetof): Define at the very end, to ensure we prefer
4663 the platform's definition if available.
4665 2000-05-16 Bruce Korb <bkorb@gnu.org>
4667 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4668 * fixinc/server.c: likewise
4669 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4670 + #ifdef debugging code + use #def constant for
4672 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4673 on C++ math namespace
4675 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4677 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4678 Don't check the return value of sprintf. Use asprintf to avoid
4681 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4683 * flags.h (warn_unused_function, warn_unused_label,
4684 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4685 Replace ``warn_unused''.
4686 (set_Wunused): Add declaration.
4687 * toplev.c (set_Wunused): New function.
4688 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4689 warn_unused_variable, warn_unused_value): New variables.
4690 (W_options): Add -Wunused-function, -Wunused-function,
4691 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4692 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4694 * toplev.c (decode_W_option): Update -Wunused flags by calling
4696 * c-decl.c (c_decode_option): Ditto for -Wall.
4698 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4699 warn_about_unused_variables): Replace warn_unused with more
4700 explicit warn_unused_value et.al.
4701 * function.c (expand_function_end): Ditto.
4702 * c-typeck.c (internal_build_compound_expr,
4703 internal_build_compound_expr): Ditto.
4704 * c-decl.c (poplevel, pop_label_level): Ditto.
4705 * toplev.c (check_global_declarations): Replace warn_unused with
4706 check for either warn_unused_function or warn_unused_variable.
4708 * gcc.1, invoke.texi (Warning Options): Document
4709 -Wunused-function, -Wunused-function, -Wunused-label,
4710 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4712 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4714 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4715 $(srcdir), not in the current directory.
4717 2000-05-16 Richard Henderson <rth@cygnus.com>
4719 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4720 assembler supports it.
4721 (.fini, .init): Use a gp-relative indirect call.
4722 (__do_global_dtors_aux): Preserve the gp; rebundle.
4723 (__do_frame_setup): Likewise.
4724 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4725 (.init): Use a gp-relative indirect call.
4726 (__do_global_ctors_aux): Preserve the gp.
4728 2000-05-16 Richard Henderson <rth@cygnus.com>
4730 * flow.c (commit_one_edge_insertion): Be prepared for a return
4731 insn to be inserted on the edge with a normal jump.
4732 * jump.c (jump_optimize_1): Don't look to create return isns.
4734 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4735 * jump.c (jump_optimize_1): Likewise.
4736 (returnjump_p): Verify the argument is a JUMP_INSN.
4737 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4739 2000-05-16 Nick Clifton <nickc@cygnus.com>
4741 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4742 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4743 (large_insn_p): Ditto.
4744 (m32r_is_insn): New function: Return true if the insn contains
4745 an executable instruction.
4746 (m32r_adjust_insn): Use m32r_is_insn.
4747 (m32r_sched_reorder): Use m32r_is_insn.
4748 (m32r_sched_variable_issue): Use m32r_is_insn.
4750 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4752 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4755 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4757 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4758 according to given options.
4760 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4762 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4763 if X has VOIDmode either.
4764 (LIMIT_RELOAD_CLASS): Similarly.
4766 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4767 not "general_operand" to match the processor's capabilities.
4769 2000-05-16 Bruce Korb <bkorb@gnu.org>
4771 * fixinc/README: corrected return address
4772 * fixinc/check.diff: regenerate, now that test works
4773 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4774 (char_macro_def_fix,char_macro_use_fix): corrected and
4775 rewrote to use regex to parse the text
4776 * fixinc/inclhack.def: more testing
4777 * fixinc/fixincl.x: regenerated
4779 * fixinc/inclhack.def: added several "test_text" attributes
4780 changed several fixes to use `c_fix = format'
4781 re-alphabetized the fixes
4783 * fixinc/check.diff: regenerate
4784 * fixinc/fixincl.x: regenerate
4785 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4789 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4791 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4793 2000-05-15 Richard Henderson <rth@cygnus.com>
4795 * toplev.c (rest_of_compilation): Run full jump pass before
4796 find_basic_blocks of flow2.
4798 2000-05-15 Richard Henderson <rth@cygnus.com>
4800 * jump.c: Fix typos and clarify commentary from last change.
4801 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4802 (safe_to_remove_jump_p): Remove.
4803 (condjump_label): Use pc_set.
4805 2000-05-15 Richard Henderson <rth@cygnus.com>
4807 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4808 that get in the way after reload.
4809 (cond_exec_process_if_block): Skip a label heading THEN block.
4811 2000-05-15 Richard Henderson <rth@cygnus.com>
4813 * varasm.c (output_constant_pool): Abort instead of converting
4814 (improperly) deleted labels to zero.
4816 2000-05-16 Neil Booth <NeilB@earthling.net>
4818 * cpplex.c (parse_string2): Update comment.
4819 (cpp_lex_line): No special assertion treatment for '('.
4820 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4821 * cpplib.h (SYNTAX_ASSERT): Remove.
4823 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4825 * jump.c (condjump_p): Mark as depreached.
4826 (any_condump_p): New.
4827 (any_uncondump_p): New.
4829 (safe_to_remove_jump_p): New.
4830 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4831 safe_to_remove_jump_p): Declare.
4833 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4835 * calls.c: Re-install both patches reverted by last patch.
4836 (struct arg_data): New field tail_call_reg.
4837 (initialize_argument_information): Initialize tail_call_reg
4838 (load_register_parameters): New argument flags, use
4839 tail_call_reg when emiting tail call sequence.
4840 (expand_call): Update call of load_register_parameters;
4841 copy unadjusted_args_size to adjusted_args_size.
4843 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4845 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4846 and bct_p parameters to flags.
4847 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4848 * rtl.h (loop_optimize): Update prototype.
4849 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4851 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4853 * calls.c (expand_call): Move expand_start_target_temps call after
4856 2000-05-15 Neil Booth <NeilB@earthling.net>
4858 * cpphash.c (trad_stringify, warn_trad_stringify,
4859 collect_params): Make some pointers pointers to const.
4860 * cpplex.c (auto_expand_name_space) Guaranteed to always
4861 expand by at least one character.
4862 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4863 (struct token_spelling): Use const U_CHAR * rather than PTR.
4864 (expand_name_space): Fix up token pointers if name space
4865 is moved when expanding.
4866 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4867 parse_string2, save_comment, spell_token, cpp_output_list):
4868 Update so the routines handle tokens with a direct pointer to
4869 their text, rather than an offset into the token's list's namebuf.
4870 (_cpp_lex_line): Rearrange for clarity.
4872 * cpplib.c (_cpp_check_directive): Similarly.
4873 (do_define): Make SYM a pointer to const.
4874 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4875 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4876 (TOK_OFFSET): Delete.
4879 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4881 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4884 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4886 (logical_u_operand): Delete.
4887 (non_logical_cint_operand): Rewrite to take MODE into account.
4888 (non_logical_u_cint_operand): Delete.
4889 (boolean_operator): New function.
4890 (print_operand): Add new %q operand.
4891 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4892 remove logical_u_operand and non_logical_u_cint_operand,
4893 update logical_operand and non_logical_cint_operand.
4894 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4895 logical operations to use %q.
4897 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4898 (movdi): Make similar to movsi.
4899 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4900 is no such thing as a DImode CONST_DOUBLE.
4901 * config/rs6000/rs6000.c (output_toc): Likewise.
4903 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4904 codes when old mnemonics are in use. Print register names
4905 for cc registers when requested.
4907 * optabs.c (expand_float): Don't allow mode widening that causes
4910 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4911 flags to their current names -maix64 and -maix32.
4913 2000-05-14 Bruce Korb <bkorb@gnu.org>
4915 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4916 and/or after current text of file
4917 * fixinc/fixlib.c(must_malloc):
4918 * fixinc/fixlib.h(must_malloc): + reformatting
4919 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4920 with usages of ``c_fix = wrap;''
4921 Add several tests and use the ``c_fix = format'' fixer more.
4922 * fixinc/fixincl.x: regen
4923 * fixinc/check.diff: regen
4924 * fixinc/check.tpl: emit the associated header with the missing
4927 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4929 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4930 variables $src and $dst.
4932 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4934 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4935 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4936 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4937 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4939 (set_message_prefixing_rule): Declare.
4941 * diagnostic.c: (current_prefixing_rule): New variable.
4942 (set_message_prefixing_rule): Define.
4943 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4944 (init_output_buffer): Adjust Initialization.
4945 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4947 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4949 * ifcvt.c (if_convert): Do not free NULL.
4951 2000-05-12 Nick Clifton <nickc@cygnus.com>
4953 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4954 to move a double word value.
4955 (di_operand): New function: Return true if the operand is suitbale
4956 for a double word move operation.
4957 (nonimmediate_di_operand): New function: Return true if the
4958 operand is a DImode register or MEM.
4960 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4961 nonimmediate_di_operand.
4963 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4964 nonimmediate_di_operand.
4966 * config/fr30/fr30.md (movdi): New pattern. Required because
4967 other patterns generate DImode results.
4968 (movdi_insn): New pattern.
4970 2000-05-12 Richard Henderson <rth@cygnus.com>
4972 * config/alpha/alpha.c (struct shadow_summary): Define
4973 bitfields as type unsigned int.
4975 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4977 * config/avr/t-avr: Added definition of FLOAT while generates
4980 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4981 peepholes for tst+jump = sbrs/sbrc optimization.
4983 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4985 * expr.c (emit_push_insn): Do not adjust stack pointer when
4988 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4990 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4991 * system.h (offsetof): ... to here.
4993 2000-05-12 Richard Henderson <rth@cygnus.com>
4995 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4996 * final.c (final_end_function): Use app_disable. Rearrange note
4997 handling into a switch. Emit deleted labels.
4998 (output_asm_label): Generate label strings for deleted labels.
4999 * flow.c (tail_recursion_label_list): New.
5000 (find_basic_blocks_1): Set label_value_list directly. Collect list
5001 of tail recursion labels from call_placeholders. Don't add deleted
5002 labels to the label value list.
5003 (cleanup_cfg): Use free_EXPR_LIST_list.
5004 (flow_delete_insn_chain): Turn non-removable labels into notes.
5005 (flow_delete_block): Don't disable deleting the block because of
5006 a non-removable label.
5007 (tail_recursion_label_p): New.
5008 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5010 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5012 (merge_blocks): Disable a merge because of tail recursion labels.
5013 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5014 Use a more accurate measure of not merging the join block.
5015 (find_if_block): Don't disable conversion because of a label.
5016 (find_if_case_1, find_if_case_2): Likewise.
5017 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5018 element when copying.
5019 (squeeze_notes): Also leave EH notes.
5020 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5022 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5024 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5025 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5026 referring to a deleted label. Convert tail handling to a switch.
5027 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5028 for NOTE_INSN_DELETED_LABEL.
5029 (NOTE): Fix commentary.
5030 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5031 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5032 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5033 (LABEL_NUSES, LABEL_REFS): Likewise.
5034 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5036 2000-05-12 Bruce Korb <bkorb@gnu.org>
5038 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5039 * fixinc/check.diff: updated
5040 * fixinc/inclhack.def: corrected & added some test_text-s
5041 * fixinc/genfixes: removed unneeded options to autogen invocation
5042 * fixinc/fixincl.tpl: Specified the output file
5043 * fixinc/fixfixes.c: visual appearance
5044 * fixinc/fixincl.x: regenerate
5046 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5048 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5049 CTRL_defn_fix): Delete.
5050 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5051 char_macro_def_fix and char_macro_use_fix, respectively. Put
5052 them into the FIXUP_TABLE. Get the string to search for from
5055 (format_write): New function.
5056 (format_fix): Use it.
5058 (FIX_PROC_HEAD): Constify text parameter.
5059 (machine_name_fix): Constify all char *s.
5060 * fixtests.c (skip_quote): Remove double static.
5062 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5063 ctrl_use_quotes): Update for new scheme.
5064 * fixincl.x: Regenerate.
5066 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5068 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5070 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5071 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5073 2000-05-11 Robert Lipe <robertlipe@usa.net>
5075 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5076 * fixincl.x: Regenerate.
5078 2000-05-11 Richard Henderson <rth@cygnus.com>
5080 * calls.c: Revert both 05-09 patches.
5082 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5084 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5086 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5089 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5090 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5092 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5094 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5096 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5098 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5100 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5102 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5103 * config/avr/avr.c (jump_over_one_insn_p): New function.
5104 * config/avr/avr.md: New peepholes added. Output test and
5105 conditional jump to "sbrc" or "sbrs" command.
5107 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5109 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5111 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5113 * except.c (find_exception_handler_labels_1): New function.
5114 (find_exception_handler_labels): Split into two functions, dive
5115 into CALL_PLACEHOLDERs when looking for exception handler labels.
5117 2000-05-11 Stan Cox <scox@cygnus.com>
5119 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5120 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5121 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5123 2000-05-11 Bruce Korb <bkorb@gnu.org>
5125 * fixinc/fixfixes.c (double_slash_fix): obsolete
5126 (else_endif_label_fix): obsolete
5127 (format_fix): new, unused as yet
5129 * fixinc/fixlib.h: added fix description struct for use by format_fix
5130 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5131 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5132 modules. Removed the vestiges of the script version.
5133 Added support for "make check".
5134 * fixinc/check.diff: base diff file (needs work!!)
5135 * fixinc/check.tpl: quiet the fixup output
5136 * fixinc/fixtests.c (main): obsolete
5137 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5138 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5140 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5142 * toplev.c (rest_of_compilation): Remove dead code after
5145 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5147 * cpphash.c (collect_funlike_expansion): Make "# is not
5148 followed by a macro argument name" a pedwarn, not an error.
5149 Preserve the # in the output. Suppress the warning if lang_asm.
5151 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5153 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5154 * configure: Rebuilt.
5156 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5158 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5160 2000-05-10 Kazu Hirata <kazu@hxi.com>
5162 * combine.c (try_combine): Fix a typo.
5164 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5166 * config/ia64/ia64.md (insv): Add comment.
5168 2000-05-10 Richard Henderson <rth@cygnus.com>
5170 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5171 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5172 dependancies on FPBIT and DPBIT.
5174 2000-05-10 Nick Clifton <nickc@redhat.com>
5176 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5177 when optimising for size.
5178 (mark_used_regs:) Ditto.
5179 (try_pre_increment_1): Ditto.
5181 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5183 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5184 Make error message friendlier.
5186 * cpphash.h (struct hashnode): Use struct hack for name
5188 * cpphash.c (struct hashdummy): New.
5189 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5190 (make_HASHNODE): No need to set ->name pointer. Correct
5192 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5194 2000-05-10 Richard Henderson <rth@cygnus.com>
5196 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5199 2000-05-10 Bruce Korb <bkorb@gnu.org>
5201 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5203 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5205 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5206 after we enter .debug.
5208 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5210 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5211 abstract instance of a nested inline function.
5213 * stor-layout.c (finish_record_layout): finalize_type_size
5214 before laying out the pending_statics.
5216 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5218 * cpplex.c (spell_token): New function.
5219 (spell_string, spell_comment, spell_name): fold into
5222 (E, H): Remove macros.
5223 (save_comment): Save comment opening characters too.
5224 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5226 * cpplib.h (I, S): Add macros.
5227 (E, H): Remove macros.
5228 (TTYPE_TABLE): Update entries for new speller.
5229 (SYNTAX_ASSERT): Remove.
5231 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5233 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5234 when removing escaped newlines. Reverse sense of test for
5237 2000-05-09 Richard Henderson <rth@cygnus.com>
5239 * flow.c (find_basic_blocks_1): Do not delete the first
5240 bb_note we run across.
5241 (create_basic_block): Use reorder_insns to move an existing
5242 bb_note to the correct place.
5244 2000-05-09 Richard Henderson <rth@cygnus.com>
5246 * calls.c (expand_call): Increment currently_expanding_call
5247 before calling optimize_tail_recursion.
5249 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5251 * reload1.c (reload_combine): Fix errors in last change.
5253 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5255 * gcc.c (used_arg): Skip over a semicolon at the end of the
5256 split-up loop; don't break out of it.
5258 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5259 (tree.o): Depend on output.h.
5261 * c-decl.c (pending_invalid_xref_file,
5262 current_function_prototype_file): Constify.
5263 (pushdecl): Constify a local char *.
5264 (define_label): Constify filename parameter.
5265 * c-lex.c (init_parse): Constify parameter and return value.
5266 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5267 * c-tree.h: Update prototypes.
5268 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5269 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5270 objc/objc-parse.c: Regenerate.
5272 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5273 * dwarfout.h: Update prototypes.
5274 * expr.c (expand_expr): Constify a local char *.
5275 * flags.h: Constify main_input_filename.
5276 * function.c (expand_function_end): Constify filename parameter.
5277 * genrecog.c (make_insn_sequence): Use a character array for
5279 (main): Remove unused variables.
5280 * input.h: Constify input_filename, main_input_filename, and
5281 file_stack.name. Update prototypes.
5282 * output.h: Declare first_global_object_name and
5283 weak_global_object_name here, as const char *.
5284 * stmt.c (expand_asm_operands): Constify filename parameter.
5285 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5286 Constify filename parameter.
5287 (input_filename, main_input_filename): Constify.
5288 * toplev.h: Update prototypes.
5289 * tree.c: Include output.h. Don't declare
5290 first_global_object_name or weak_global_object_name. Clean up string
5291 bashing in get_file_function_name_long.
5292 * tree.h (struct tree_decl): Constify filename member.
5293 (input_filename): Constify.
5295 * varasm.c (first_global_object_name, weak_global_object_name):
5297 (assemble_start_function, assemble_variable): Clean up string bashing.
5299 * gcc.c: Constify all spec-related strings initialized,
5300 transitively, from string constants. Constify all strings
5301 and string variables related to multilibs.
5302 (set_spec, read_specs): Cast argument to free to PTR.
5303 (used_arg): Do not modify multilib_matches. Use strncmp plus
5304 length comparison to compare multilib switches.
5305 * genmultilib: Constify everything declared in multilib.h.
5307 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5309 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5312 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5314 * config/avr/avr-protos.h (extra_constraint): change a type of
5315 second argument from char to int to avoid warnings.
5316 (asm_output_byte): Likewise.
5318 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5319 (initial_elimination_offset): Handle elimination from
5320 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5321 (legitimate_address_p): Use MAX_LD_OFFSET.
5322 (legitimize_address): Likewise.
5323 (out_movqi_r_mr): Likewise.
5324 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5325 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5326 (out_movsi_mr_r): Likewise.
5327 (out_movqi_mr_r): Likewise.
5328 (out_movhi_mr_r): Likewise.
5329 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5330 count as CONST_INT != 6.
5331 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5332 shift count is a CONSTANT_P, but not a CONST_INT.
5333 (ashlhi3_out): Coding style modifications.
5334 (ashlsi3_out): Likewise.
5335 (ashrhi3_out): Likewise.
5336 (ashrsi3_out): Likewise.
5337 (lshrhi3_out): Likewise.
5338 (lshrsi3_out): Likewise.
5339 (ashrqi3_out): Generate shift for any known constant count without
5340 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5341 but not a CONST_INT.
5342 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5343 shift count is a CONSTANT_P, but not a CONST_INT.
5344 (extra_constraint): change a type of
5345 second argument from char to int to avoid warnings.
5346 (asm_output_byte): Likewise.
5347 (asm_file_end): Output size generated commands count as a hex
5350 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5352 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5354 (ashlqi3): Values of "length" attribute changed. Shift count
5355 uses constraints 'n' instead of 'i'.
5356 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5357 shifts without clobber register.
5358 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5359 (call_insn): Correct test for which_alternative == 1 (was 0).
5360 (call_value_insn): Likewise.
5362 * config/avr/t-avr: Remove definition of FLOAT while generates
5365 2000-05-09 Bruce Korb <bkorb@gnu.org>
5367 * fixinc/check.tpl: Template for checking fixes
5368 * fixinc/inclhack.def: Added 'test_text' for many fixes
5369 disable hpux8_bogus_inlines on SCO
5370 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5372 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5374 * calls.c (expand_call): Reorganize somewhat in order
5375 to avoid unnecesary recalculation inside loop and make
5376 tail call failure code cleaner.
5378 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5380 * alias.c (nonlocal_reference_p): Minor reformatting.
5381 * reload.c (find_equiv_reg): Simplify logic for
5382 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5383 some some reformatting.
5384 * reload1.c (reload_combine): Don't assume everything in
5385 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5387 2000-05-08 Richard Henderson <rth@cygnus.com>
5389 * final.c (current_insn_predicate): New.
5390 (final_scan_insn): Set it.
5391 * output.h (current_insn_predicate): Declare.
5393 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5394 Attach it to call insns.
5395 (cond_exec_process_if_block): Track probability for true and
5397 (dead_or_predicable): Likewise.
5399 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5400 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5401 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5402 (estimate_probability, expected_value_to_br_prob): Use them.
5404 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5405 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5406 (ia64_expand_prediction): New.
5407 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5408 as needed after calls.
5409 (ia64_epilogue_uses): Mark b0 used.
5410 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5411 (bne_true, bne_false): Remove.
5412 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5413 (br_true, br_false): New. Use predicate_operator and
5414 ia64_expand_prediction.
5415 (return_true, return_false): Likewise.
5416 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5417 (call_internal1, call_value_internal): Likewise.
5418 (call_value_internal1, call_multiple_values_internal1): Likewise.
5420 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5422 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5424 2000-05-08 Richard Henderson <rth@cygnus.com>
5426 * rtlanal.c (may_trap_p): Consider old-style and volatile
5429 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5431 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5433 2000-05-08 Richard Henderson <rth@cygnus.com>
5435 * config/ia64/ia64.h (predicate_operator): Declare.
5437 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5440 * gensupport.c (process_rtx): Copy and post-process each member
5441 of the define_insn rtvec individually.
5443 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5445 * cpplex.c (spell_token): New function.
5446 (TOKEN_LEN): Add 1 for whitespace.
5447 (_cpp_lex_file): Update to use spell_token.
5448 * cpplib.h (E): Remove.
5449 (TTYPE_TABLE): Update CPP_VSPACE entry.
5451 2000-05-08 Richard Henderson <rth@cygnus.com>
5453 * flow.c (init_propagate_block_info): Watch out for conditional
5454 branch to next instruction, and thus one outgoing edge.
5456 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5457 for global register variables; don't special case __[CD]TOR_LIST__;
5458 mind ggc_p for string allocation.
5460 2000-05-08 Nick Clifton <nickc@cygnus.com>
5462 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5464 2000-05-08 Bruce Korb <bkorb@gnu.org>
5466 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5467 i?86-*-msdosdjgpp* no longer uses fixincludes
5468 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5469 * fixinc/inclhack.sh: deleted
5470 * fixinc/hackshell.tpl: deleted
5471 * fixinc/inclhack.tpl: deleted
5472 * fixinc/Makefile.in: Remove dependencies on above
5473 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5475 2000-05-08 Andreas Jaeger <aj@suse.de>
5477 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5480 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5482 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5485 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5487 * cpplex.c: Move new lexer definitions and prototypes
5488 to top. Conditional include these and the code if
5489 NEW_LEXER is defined. Rename functions whose names
5490 clash if this code included.
5492 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5494 * rtl.def (COND_EXEC): Clarify.
5496 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5497 same fashion as zero_extendsidi2.
5499 2000-05-06 Richard Henderson <rth@cygnus.com>
5501 * config/ia64/ia64.c (predicate_operator): New.
5502 (ia64_print_operand): Handle 'J'.
5503 (rtx_needs_barrier): Handle COND_EXEC.
5504 * config/ia64/ia64.h (BRANCH_COST): Define.
5505 (PREDICATE_CODES): Update.
5506 * config/ia64/ia64.md: Docuement used unspec values.
5507 (attr predicable): New.
5508 (movxf, movxf_internal): New.
5509 (extendsfdf2): Don't comment out nop.
5510 (floatdidf2): Remove.
5511 (truncxfsf2, truncxfdf2, floatdixf2): New.
5512 (abssi2, absdi2): Put the neg in the "true" slot.
5513 (conditional branch instructions): Mark not predicable.
5514 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5515 (abs*_internal): Likewise.
5516 (alloc, set_bsp): Mark not predicable.
5517 (barrier, insn_group_barrier, flush_cache): Likewise.
5518 (define_cond_exec): New.
5520 2000-05-06 Richard Henderson <rth@cygnus.com>
5522 * c-decl.c: Include "tm_p.h".
5524 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5525 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5526 (ia64_expand_op_and_fetch): Declare.
5527 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5528 (setjmp_operand): Constify variables for XSTR.
5529 (ia64_encode_section_info): Likewise.
5530 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5532 (ia64_asm_output_external): Constify name.
5533 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5534 (process_for_unwind_directive): Provide switch default.
5535 (ia64_expand_compare_and_swap): Remove unused variables.
5536 (ia64_expand_builtin): Likewise.
5537 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5540 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5541 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5542 (shift_count_operand, shift_32bit_count_operand): Likewise.
5543 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5544 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5545 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5546 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5547 (ia64_expand_builtin): Likewise.
5548 (call_multiple_values_operation): Make dest_regno unsigned.
5550 2000-05-06 Richard Henderson <rth@cygnus.com>
5552 * rtl.def (DEFINE_COND_EXEC): New.
5553 * md.texi: Document it.
5555 * gensupport.c (input_file): Remove.
5556 (struct queue_elem): Add lineno.
5557 (rtx_ready_queue): Remove.
5559 (predicable_default): New.
5560 (predicable_true, predicable_false): New.
5561 (define_attr_queue, define_attr_tail): New.
5562 (define_insn_queue, define_insn_tail): New.
5563 (define_cond_exec_queue, define_cond_exec_tail): New.
5564 (other_queue, other_tail): New.
5565 (queue_pattern): New.
5566 (process_rtx): Add patterns to the appropriate queues.
5567 (is_predicable, identify_predicable_attribute): New.
5568 (n_alternatives, collect_insn_data): New.
5569 (alter_predicate_for_insn, alter_test_for_insn): New.
5570 (shift_output_template, alter_output_for_insn): New.
5571 (process_one_cond_exec, process_define_cond_exec): New.
5572 (init_md_reader): Read the entire file. Process define_cond_exec.
5573 (read_md_rtx): Return elements from the queues.
5575 2000-05-06 Richard Henderson <rth@cygnus.com>
5577 * flow.c (mark_set_1): Don't update conditional life info
5578 if the register is not_dead.
5580 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5582 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5583 (mostlyclean): Also delete fixincl, fixinc.sh, and
5584 specs.ready, and make clean in the fixinc subdir.
5586 2000-05-06 Richard Henderson <rth@cygnus.com>
5588 * Makefile.in (gensupport.o): Compile for the host.
5589 (host-prefix gensuuprt.o): Remove.
5590 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5591 (genattrtab.o): Likewise.
5592 (gencodes.o): Depend on gensupport.h.
5593 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5594 (genpeep.o, genattr.o, genoutput.o): Likewise.
5596 * gensupport.c (obstack, rtl_obstack): New.
5597 (init_md_reader): Initialize rtl_obstack.
5598 * gensupport.h (rtl_obstack): Declare.
5599 (message_with_line): Declare.
5601 * genattr.c: Remove all traces of obstack manipulation.
5602 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5603 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5605 * genattrtab.c (obstack, rtl_obstack): Remove.
5606 (main): Don't init rtl_obstack.
5607 * genflags.c: Likewise.
5609 * genrecog.c (message_with_line): Move ...
5610 * gensupport.c: ... here.
5612 2000-05-06 Richard Henderson <rth@cygnus.com>
5614 * c-typeck.c (build_c_cast): Remove dead code.
5616 2000-05-06 Richard Henderson <rth@cygnus.com>
5618 * flow.c (split_edge): Don't allocate global_live_at_start for
5619 the new block unless the old blocks had them as well.
5621 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5623 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5624 test_bb if a or b uses x.
5626 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5628 * cpphash.h: Remove conditional #define of __extension__.
5629 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5630 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5631 (ENABLE_RTL_CHECKING only).
5632 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5633 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5634 (ENABLE_TREE_CHECKING only).
5635 * varray.h: Add __extension__ to VARRAY_CHECK macro
5636 (ENABLE_CHECKING only).
5638 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5640 Use new tail-calling mechanism on ARM.
5641 * arm.md (sibcall, sibcall_value): New expands.
5642 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5643 (tailcalling peepholes): Delete.
5644 (push_multi): Simplify.
5645 * arm.c (lr_save_eliminated): Delete definition.
5646 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5647 (output_return_instruction): Remove checks on lr_save_eliminated.
5648 (output_arm_prologue): Remove old tail-calling code.
5649 (arm_output_epilogue): New parameter, really_return. All callers
5650 changed. Handle tail-calling epilogues.
5651 * arm.h (lr_save_eliminated): Delete declaration.
5652 (frame_pointer_needed): Delete declaration.
5653 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5655 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5657 * arm.c (thumb_code): Define it.
5658 (arm_override_options): Set it.
5659 * arm.h (thumb_code): Declare it.
5661 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5663 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5665 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5667 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5668 bogus clobber to insns.
5669 (load_multiple_operation, store_mulitple_operation): Don't check
5671 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5673 * arm.md (and_scc, ior_scc): Add missing mode.
5675 * arm.md (call_value_symbol): Remove predicate from op2.
5677 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5679 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5681 * expr.c (get_subtarget): New function.
5682 (force_operand, expand_expr, do_store_flag): Use it.
5684 * toplev.c (compile_file): Don't take strlen of NAME if null.
5686 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5688 * xcoffout.c (xcoff_current_include_file,
5689 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5690 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5692 (xcoffout_declare_function): Make name 'const char *'.
5693 (xcoffout_end_epilogue): Make fname 'const char *'
5694 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5695 xcoffout_declare_function, xcoffout_source_line): Match above.
5697 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5699 * rs6000.c (print_operand): Fix lossage typo.
5700 (output_cbranch): Remove "cr" decoration for now.
5701 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5703 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5705 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5708 2000-05-05 Bruce Korb <bkorb@gnu.org>
5710 * fixinc/genfixes: Improve the matching for make target names
5712 2000-05-05 Catherine Moore <clm@cygnus.com>
5714 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5715 attribute to the decl.
5716 * c-decl.c (pushdecl): Propagate the USED attribute to the
5719 2000-05-05 Richard Henderson <rth@cygnus.com>
5721 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5722 same way emit_group_load does.
5724 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5726 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5728 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5731 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5733 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5735 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5737 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5738 to support -shared, on platforms with dynamic libraries.
5740 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5742 * system.h (S_ISBLK): Provide fallback definition.
5744 2000-05-05 Geoff Berry <geoffb@bops.com>
5746 * extend.texi (Extended Asm): Document inability to give asm
5747 statements access to condition codes.
5749 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5751 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5752 as arg 2 of UNIQUE_SECTION.
5754 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5756 * predict.c: Remove May 4 change.
5757 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5758 if we have predicted the branch at 50-50 probability.
5760 2000-05-05 Richard Henderson <rth@cygnus.com>
5762 * flow.c (init_propagate_block_info): Fix merge error
5763 in HAVE_conditional_execution code.
5765 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5767 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5768 shift cycle for unknown shift count. Also generates dec + brpl.
5769 (ashlqi3_out): Don't generate dec + brpl which now generates by
5770 `out_shift_with_cnt'.
5771 (ashlhi3_out): Likewise.
5772 (ashlsi3_out): Likewise.
5773 (ashrqi3_out): Likewise.
5774 (ashrhi3_out): Likewise.
5775 (ashrsi3_out): Likewise.
5776 (lshrqi3_out): Likewise.
5777 (lshrhi3_out): Likewise.
5778 (lshrsi3_out): Likewise.
5780 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5782 * gcc.c (free_split_directories): Correct typo in explanation
5783 of make_relative_prefix.
5785 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5787 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5788 comparison codes to branch_comparison_operator.
5790 2000-05-04 Richard Henderson <rth@cygnus.com>
5792 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5794 2000-05-04 Richard Henderson <rth@cygnus.com>
5796 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5797 (DPBIT_FUNCS): Remove _sf_to_usi.
5798 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5800 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5801 between condition and jump.
5803 * libgcc2.c (near eh_context_specific): Comment #endif string.
5804 * longlong.h: Don't use strings with embedded newlines.
5806 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5808 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5809 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5810 (print_operand): Delete %t and %T codes.
5811 (output_cbranch): New function. Support branch prediction.
5812 * config/rs6000/rs6000.md: Use output_cbranch for
5813 conditional branches and returns.
5815 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5817 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5818 * stor-layout.c (place_field): Likewise.
5819 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5820 * expr.c (store_expr): Make align unsigned.
5821 * explow.c (plus_constant_wide): Make low words unsigned.
5822 * expmed.c (choose_multiplier): Likewise.
5823 * fold-const.c (fold): Likewise.
5824 * tree.h (build_int_2): Likewise.
5825 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5826 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5827 (init_emit): Change cast to unsigned char*.
5828 * varasm.c (compare_constant_1): Add cast to char*.
5829 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5830 * reload1.c (reload): Likewise.
5832 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5834 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5836 * predict.c (estimate_probability): If no prediction was found, then
5837 predict the successor that is the next physical block (if such a
5840 2000-05-04 Richard Henderson <rth@cygnus.com>
5842 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5844 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5846 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5848 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5850 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5851 attribute macros from here ...
5852 (CPP_SPEC): to here.
5853 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5854 (CPP_SPEC): Likewise.
5855 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5857 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5858 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5860 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5862 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5864 * diagnostic (vbuild_message_string, build_message_string,
5865 build_location_prefix, output_get_prefix, init_output_buffer,
5866 output_notice, vline_wrapper_message_with_location,
5867 v_message_with_decl, default_print_error_function): De-constify.
5868 (set_real_maximum_length): Prototype.
5870 * diagnostic.h (struct output_buffer, init_output_buffer,
5871 output_get_prefix, output_set_prefix): De-constify.
5873 * function.c (init_function_start): Constify.
5875 * gensupport.c (remove_constraints, process_rtx): Prototype.
5877 * gthr-posix.h: Indent uses of #pragma.
5879 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5882 * predict.c (find_expected_value): Delete prototype.
5883 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5885 * sbitmap.h (debug_sbitmap): Prototype.
5887 * ssa.c (compute_coalesced_reg_partition): Prototype.
5889 * stor-layout.c (debug_rli): Prototype.
5891 * tree.h (round_down): Prototype.
5892 (init_function_start): Constify.
5894 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5896 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5897 (overly conservative). Change extern inline wrappers to
5898 static inline, define them always, use PARAMS properly.
5899 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5900 whitespace warnings for \f and \v at the beginning of a line.
5902 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5904 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5907 2000-05-04 Bruce Korb <bkorb@gnu.org>
5909 * fixincl/inclhack.def: added broken_cabs -
5910 Remove `extern double cabs' declarations from math.h
5911 * fixincl/inclhack.sh: regen
5912 * fixincl/fixincl.x: regen
5913 * fixincl/fixincl.c: Remove BOGOSITY code
5914 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5916 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5918 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5920 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5921 when calling MEM_COPY_ATTRIBUTES.
5922 * emit-rtl.c (operand_subword, change_address): Likewise.
5923 * explow.c (stabilize): Likewise.
5924 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5925 * integrate.c (copy_rtx_and_substitute): Likewise.
5926 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5927 when calling MEM_COPY_ATTRIBUTES.
5928 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5930 * cse.c (gen_lowpart_if_possible): Likewise.
5931 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5932 * optabs.c (gen_move_insn): Likewise.
5933 * recog.c (validate_replace_rtx_1): Likewise.
5934 * simplify-rtx.c (add_mem_for_addr): Likewise.
5935 * stmt.c (expand_anon_union_decl): Likewise.
5936 * config/arm/arm.md: Likewise.
5937 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5938 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5939 (block_move_no_loop, block_move_sequence): Likewise.
5940 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5941 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5942 Clear MEM_ALIAS_SET.
5943 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5944 MEM_COPY_ATTRIBUTES.
5946 2000-05-03 Robert Lipe <robertlipe@usa.net>
5948 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5949 to suppress libgcc1.
5950 (i[34567]86-*-sco3.2v5*) Likewise.
5951 (i[34567]86-*-sco3.2v4*) Likewise.
5952 (i[34567]86-*-sco) Likewise.
5953 (i[34567]86-*-solaris2) Likewise.
5954 (i[34567]86-*-sysv5*) Likewise.
5955 (i[34567]86-*-sysv4*) Likewise.
5956 (i[34567]86-*-udk*) Likewise.
5957 (i[34567]86-*-sysv*) Likewise.
5959 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5961 * cpphash.h (U): New define, to correct type of string constants.
5962 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5963 routines, to do casts when passing unsigned strings to libc.
5964 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5966 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5967 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5968 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5969 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5970 second argument an U_CHAR *.
5972 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5973 length field, clean up initializer.
5974 (ISTABLE): Add __extension__ to designated-
5975 initializers version.
5976 * cpplex.c (CHARTAB): Likewise.
5978 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5979 case so the file won't be empty.
5981 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5983 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5984 (REORDER_BLOCK_SUCC): Removed.
5985 (enum reorder_skip_type): Removed.
5986 (skip_insns_between_block): Renamed to skip_insns_after_block.
5987 Removed second argument. Removed dead code and cleaned up.
5988 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5989 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5990 second parameter to skip_insns_after_block.
5992 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5994 * tree.c (staticp, case LABEL_DECL): New case.
5996 2000-05-03 Richard Henderson <rth@cygnus.com>
5998 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6000 * mklibgcc1.in: Fix typo last change.
6002 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6004 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6005 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6006 (GCC_CFLAGS): Use it.
6007 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6008 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6009 objc/Make-lang.in: Use it.
6011 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6013 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6015 2000-05-03 Richard Henderson <rth@cygnus.com>
6017 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6018 LIBGCC1 empty with libgcc1.null.
6020 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6022 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6025 2000-05-03 Greg McGary <gkm@gnu.org>
6027 * tree.h (tree_common): Add bounded_flag member. Remove
6028 inaccurate comment about number of remaining bits.
6029 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6030 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6031 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6032 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6033 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6034 (TYPE_QUAL_BOUNDED): New constant.
6035 (TYPE_QUALS): Handle bounded qualifier.
6036 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6037 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6038 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6039 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6040 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6041 (tree_type): Add pointer_depth member. Remove
6042 inaccurate comment about number of remaining bits.
6043 (DECL_POINTER_DEPTH): Add macro.
6044 (tree_decl): Add pointer_depth member.
6046 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6048 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6049 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6050 (lshrhi3_out): Likewise.
6051 (ashrsi3_out): bugfix in shift by 8.
6052 (test_hard_reg_class): New function.
6053 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6054 (ashlhi3): removed define_expand of this pattern.
6055 (*ashlhi3_insn): renamed to ashlhi3.
6056 (ashlsi3): removed define_expand of this pattern.
6057 (*ashlsi3_insn): renamed to ashlsi3.
6058 (ashrqi3): removed define_expand of this pattern.
6059 (*ashrqi3_insn): renamed to ashrqi3.
6060 (ashrhi3): removed define_expand of this pattern.
6061 (*ashrhi3_insn): renamed to ashrhi3.
6062 (ashrsi3): removed define_expand of this pattern.
6063 (*ashrsi3_insn): renamed to ashrsi3.
6064 (lshrhi3): removed define_expand of this pattern.
6065 (*lshrhi3_insn): renamed to lshrhi3.
6066 (lshrsi3): removed define_expand of this pattern.
6067 (*lshrsi3_insn): renamed to lshrsi3.
6069 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6071 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6072 inclusion of "system.h".
6074 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6076 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6079 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6081 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6082 if -mauto-pic is on.
6083 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6084 -mconstant-gp is in effect and function-descriptors are being used
6085 to make indirect calls.
6086 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6087 (MASK_AUTO_PIC): Ditto.
6088 (TARGET_CONST_GP): Ditto.
6089 (TARGET_AUTO_PIC): Ditto.
6090 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6091 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6092 -mno-pic is in effect.
6093 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6094 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6095 -mauto-pic is in effect.
6096 (gprel64_offset): New pattern.
6097 (load_gprel64): Ditto.
6098 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6099 -mconstant-gp is in effect, no need to preserve gp around direct
6101 (call_value): Ditto.
6102 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6103 (FUNCTION_PROFILER): Define.
6104 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6105 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6106 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6108 2000-05-03 Richard Henderson <rth@cygnus.com>
6110 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6111 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6112 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6113 (mklibgcc, libgcc.mk): New targets.
6114 (libgcc.a): Use libgcc.mk.
6115 (stmp-multilib): Likewise.
6116 (stmp-multilib-sub): Remove.
6117 (mostlyclean): Don't delete libgcc2 temp files.
6118 * configure.in (AC_PROG_CC_C_O): Add.
6119 (NO_MINUS_C_MINUS_O): Substitute it.
6120 (all_outputs): Add mklibgcc.
6121 * mklibgcc.in: New file.
6123 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6125 * cppexp.c (op_t): Make an int.
6127 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6129 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6131 * gensupport.c (process_rtx): Fix macros used.
6133 2000-05-03 Richard Henderson <rth@cygnus.com>
6135 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6136 call-clobbered registers of a call.
6138 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6140 * gensupport.c: New file.
6141 * gensupport.h: New file.
6142 * Makefile.in (HOST_RTL): Depend on gensupport.
6143 (gensupport.o) New rule.
6144 * genattr.c: Use gensupport for reading .md files.
6145 * genattrtab.c: Ditto.
6146 * gencodes.c: Ditto.
6147 * genconfig.c: Ditto.
6149 * genextract.c: Ditto.
6150 * genflags.c: Ditto.
6151 * genopinit.c: Ditto.
6152 * genoutput.c: Ditto.
6154 * genrecog.c: Ditto.
6155 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6156 * md.texi (Insn Splitting): Document define_insn_and_split.
6158 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6160 * flow.c (verify_flow_info): Added two more sanity checks. The
6161 first checks that the blocks are numbered consecutively. The second
6162 checks that n_basic_blocks is actually equal to the number of
6163 basic blocks in the insn chain.
6165 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6167 * cpplib.h: Add accessor macros for token lists.
6168 * cpplib.c, cpphash.c, cpplex.c: Use them.
6170 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6172 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6173 memory usage if not in a function.
6174 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6175 return address if static.
6177 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6179 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6180 whether address may trap.
6182 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6184 * bb-reorder (chain_reorder_blocks): Changed code to test for
6185 EDGE_FALLTHRU rather than making erroneous assumption that the
6186 first outgoing edge is the fall-through edge.
6188 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6190 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6191 ABI for varargs, across all MIPS. This is incompatible because the
6192 va_list (__builtin_va_list) structure is different, so a compilation
6193 unit passing a va_list and a compilation unit being passed one, should
6194 both be compiled with the same ABI. (The old structure had two
6195 pointers, now it has three.)
6197 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6199 * bb-reorder.c (struct reorder_block_def): Remove members end,
6200 block_begin, and block_end.
6201 (REORDER_BLOCK_OLD_END): Delete.
6202 (REORDER_BLOCK_BEGIN): Delete.
6203 (REORDER_BLOCK_END): Delete.
6204 (chain_reorder_blocks): Remove dead code.
6206 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6208 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6209 notes as the end of a basic block before deleting.
6211 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6213 * final.c (final_start_function): Fix spelling of "necessary".
6215 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6217 * toplev.c (debug_ignore_block): Return int.
6218 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6219 * toplev.h, dwarf2out.h: Adjust.
6220 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6222 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6223 * toplev.c, final.c, rtl.h: Adjust.
6225 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6227 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6228 * configure.in: Look for makeinfo in the unified tree, then
6229 for a system makeinfo which is sufficiently new.
6230 * Makefile.in: If configure says makeinfo is too old, don't
6231 build or install Info documentation.
6233 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6235 * cpphash.c (collect_params): Fix off-by-one error.
6236 (dump_hash_helper): Dump all four macro nodetypes.
6238 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6240 * cpphash.c (trad_stringify): Adjust p after stringification as
6243 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6245 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6246 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6248 * cppfiles.c (file_cleanup): Delete.
6249 * cpphash.c (macro_cleanup): Delete.
6250 (collect_objlike_expansion, collect_funlike_expansion,
6251 macarg, scan_arguments): Remove CPP_POP case.
6253 * cpplex.c (null_cleanup): Delete.
6254 (cpp_pop_buffer): Do the work that was done in the cleanups
6255 here. Call _cpp_unwind_if_stack from here.
6256 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6257 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6258 stack is the buffer _below_ the one we stacked.
6259 (cpp_get_token): Always pop an exhausted buffer. Return
6260 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6261 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6262 increment the line number.
6263 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6265 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6266 we see CPP_EOF and the top of stack is the buffer _below_ the
6268 * scan-decls.c: Likewise.
6270 2000-05-02 Andrew Haley <aph@cygnus.com>
6272 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6273 where this function is called for the second time on a decl that
6274 has had its section info changed in such a way as to move it out
6276 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6278 2000-05-01 Richard Henderson <rth@cygnus.com>
6280 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6281 the sequence we're moving, not to merge_bb->head.
6283 2000-05-01 Richard Henderson <rth@cygnus.com>
6285 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6286 reference to alpha/t-linux.
6287 (alpha*-*-linux-gnu*): Likewise.
6288 * configure: Rebuild.
6290 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6292 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6295 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6297 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6299 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6302 2000-05-01 Richard Henderson <rth@cygnus.com>
6304 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6305 emit_conditional_move.
6307 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6309 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6310 as the dynamic linker.
6312 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6314 * cppfiles.c (open_include_file): Open file in blocking mode.
6315 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6316 Only exclude block devices and directories.
6318 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6319 static. Allocate the hashnode and its string in the same
6321 (del_HASHNODE): Don't free h->name.
6322 (_cpp_lookup): If there is no entry for this string, create
6323 one, of type T_VOID.
6324 (_cpp_lookup_slot): Delete.
6325 * cpphash.h: Update prototypes.
6327 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6329 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6330 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6331 node here, just fill in the value field properly. "Delete"
6332 entries by setting the value field to T_VOID. Check for
6333 hp->type == T_VOID, not hp == NULL.
6335 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6336 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6339 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6341 * config/mn10300/mn10300.c (print_operand_address): Do not add
6344 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6345 adjusted by less than 256 bytes, use ret regardless of having any
6346 callee-saved register to restore.
6348 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6350 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6352 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6354 * config/i386/djgpp.h (INT_ASM_OP): Define.
6355 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6356 (ASM_WEAKEN_LABEL): Define.
6357 (MASK_BNU210): Define.
6358 (SUBTARGET_SWITCHES): Define.
6359 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6360 (MAKE_DECL_ONE_ONLY): Define.
6361 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6363 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6365 * i386/cygwin.h (INT_ASM_OP): Define.
6367 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6369 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6370 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6372 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6374 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6375 __tmp_reg__ and __zero_reg__ initialization.
6377 2000-04-30 Richard Henderson <rth@cygnus.com>
6379 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6381 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6382 referenced bewteen the condition and the jump. Don't delete
6383 anything but the jump.
6385 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6387 * bb-reorder.c (scope_def): New struct.
6388 (scope_forest_info): New struct.
6389 (struct reorder_block_def): New member "scope".
6390 (REORDER_BLOCK_SCOPE): New macro.
6391 (relate_bbs_with_scopes): New function and prototype.
6392 (make_new_scope): Likewise.
6393 (build_scope_forest): Likewise.
6394 (remove_scope_notes): Likewise.
6395 (insert_intra_1): Likewise.
6396 (insert_intra_bb_scope_notes): Likewise.
6397 (insert_inter_bb_scope_notes): Likewise.
6398 (rebuild_scope_notes): Likewise.
6399 (free_scope_forest_1): Likewise.
6400 (free_scope_forest): Likewise.
6401 (dump_scope_forest): Likewise.
6402 (dump_scope_forest_1): Likewise.
6403 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6404 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6406 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6407 and remove_scope_notes before reordering is done. Added calls to
6408 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6409 after reordering is done.
6411 2000-40-30 Bruce Korb <bkorb@gnu.org>
6413 * fixinc/inclhack.def: Added definitions needed by OSR5,
6414 removed two stale entries (defined away with OLD_CPP).
6415 * fixinc/inclhack.sh: regen
6416 * fixinc/fixincl.x: regen
6418 2000-04-30 Richard Henderson <rth@cygnus.com>
6420 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6421 from the last insn in the sequence.
6423 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6425 * cpplex.c (cpp_idcmp): New function.
6426 * cpplib.h: Prototype it.
6427 * scan_decls.c (scan_decls): Use it to inspect token names.
6428 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6429 the file being run through the preprocessor.
6430 (check_macro_names): Provide length of token to cpp_defined.
6432 * Makefile.in: Remove stale warning message.
6434 * cppfiles.c (redundant_include_p): Provide length of token to
6436 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6437 values are unsigned int.
6438 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6439 (_cpp_lookup_slot): Do not calculate the hash, either.
6440 * cpphash.h: Update prototypes.
6441 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6442 Hashes are unsigned int. Calculate hash here, pass by value
6443 to _cpp_lookup_slot.
6445 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6447 * simplify-rtx.c (check_value_useless): Delete function.
6448 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6450 (cselib_invalidate_regno): Likewise.
6451 (cselib_invalidate_mem_1): Likewise.
6452 (references_value_p): Recognize useless values by the fact that they
6454 (discard_useless_values): Likewise.
6455 (cselib_record_set): This may turn a useless value
6458 2000-04-30 Richard Henderson <rth@cygnus.com>
6460 * config/d30v: New port.
6462 * configure.in (d30v-*): Set fp format.
6463 * configure: Rebuild.
6465 2000-04-30 Richard Henderson <rth@cygnus.com>
6467 * ifcvt.c: New file.
6468 * Makefile.in (OBJS): Add it.
6469 (ifcvt.o): New target.
6470 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6471 and conditional arithmetic.
6472 (find_insert_position): Remove.
6473 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6474 * toplev.c (DFI_ce, DFI_ce2): New.
6475 (dump_file): Add ce and ce2 dumps.
6476 (rest_of_compilation): Run if_convert a couple o times. Set
6477 cse_not_expected after cse2. Don't set no_new_pseudos until
6478 after sched1 or recompute_reg_usage.
6480 2000-04-30 Richard Henderson <rth@cygnus.com>
6482 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6483 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6485 2000-04-30 Richard Henderson <rth@cygnus.com>
6487 * flow.c (struct reg_cond_life_info): New.
6488 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6489 (init_propagate_block_info): Initialize them.
6490 (free_propagate_block_info): Destruct them.
6491 (mark_set_1): Consider conditional life before killing a register.
6492 (mark_regno_cond_dead): New.
6493 (free_reg_cond_life_info): New.
6494 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6495 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6496 (mark_used_reg): Record conditional life.
6498 * haifa-sched.c (schedule_insns): Disable death counting
6499 sanity check for HAVE_conditional_execution.
6501 2000-04-30 Richard Henderson <rth@cygnus.com>
6503 * Makefile.in (TIMEVAR_H): New.
6504 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6505 (timevar.h): Remove rule.
6507 2000-04-29 Richard Henderson <rth@cygnus.com>
6509 * config/alpha/crtend.asm: Use C comments instead of #.
6510 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6512 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6514 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6516 * cpphash.h (enum node_type: Take out T_MCONST.
6517 (union hashval): Move into struct hashnode.
6518 (struct hashnode): Pack tighter. Remove file, line, col
6520 * cpphash.c: Constify most of the macro-definition structures.
6521 (struct definition): Replace by struct object_defn
6522 and struct funct_defn. Put file, line, column information
6523 here. All users updated to match.
6524 (_cpp_create_definition, _cpp_macroexpand): Remove special
6525 case for #define WORD OTHERWORD.
6526 * cpplib.c (do_undef): Remove T_MCONST case.
6528 * cpphash.h: Move struct reflist, struct definition, and the
6529 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6530 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6531 * cpphash.c (_cpp_free_definition): Free data pointed to by
6532 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6533 (_cpp_create_definition, del_HASHNODE): Just call
6534 _cpp_free_definition to clear out a hashnode.
6535 * cpplib.c (do_pragma_poison): Likewise.
6537 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6539 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6540 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6541 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6542 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6543 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6544 REGNO_AM33_P): Redefine in terms of the new macros.
6545 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6546 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6547 STRUCT_VALUE): Likewise.
6548 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6549 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6551 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6553 * regmove.c (struct record_stack_memrefs_data): New.
6554 (record_stack_memrefs): New function.
6555 (combine_stack_adjustments_for_block): Use it.
6557 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6559 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6560 use special_function_p to detect alloca.
6562 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6564 * gcc.texi: Fixes for makeinfo 4.0 --html.
6566 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6568 * pcp.h: Delete file.
6570 2000-04-28 Kazu Hirata <kazu@hxi.com>
6572 * h8300.c (function_epilogue): Clean up flags when the last insn
6573 in a function is a barrier.
6575 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6577 * configure.in (sparc-hal-solaris2*): protect [] glob from
6579 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6580 rather than hard-coded constants in target_cpu_default2.
6581 * configure: Regenerate.
6583 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6585 * tree.c (get_callee_fndecl): Extract the initial value from
6588 2000-04-28 Richard Henderson <rth@cygnus.com>
6590 * varasm.c (record_constant_1): Record the CODE_LABEL when
6591 taking the address of a LABEL_REF.
6593 2000-04-28 Richard Henderson <rth@cygnus.com>
6594 Jan Hubicka <jh@suse.cz>
6596 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6597 adjustment; don't do the stack adjust.
6598 (expand_call): Call compute_argument_block_size right before
6599 allocating the block; update comment; don't do alignment sanity
6600 checking for sibling call; use args_size instead of
6601 unadjusted_args_size before args_size is adjusted. Use
6602 combine_pending_stack_adjustment_and_call to compute stack adjust
6603 for must_preallocate case.
6605 * expr.c (push_block): Remove shadow `temp' in inner scope.
6607 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6609 * toplev.c (rest_of_compilation): Call
6610 note_deferral_of_defined_inline_function even if the function
6613 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6615 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6617 2000-04-28 Richard Henderson <rth@cygnus.com>
6619 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6621 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6623 * timevar.c (init_timevar): DeANSIfy function definition.
6625 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6627 * Makefile.in (timevar.o): Depend on flags.h.
6628 * timevar.c (unused_stack_instances): New variable.
6629 (timevar_push): Take a timevar_stack_def from
6630 unused_stack_instances if available.
6631 (timevar_pop): Push the popped timevar_stack_def onto
6632 unused_stack_instances.
6633 (TIMEVAR_ENABLE): New macro.
6634 (timevar_def): Make standalone a 1-bit field. Add field used.
6635 (get_time): Rename parameter to now. Return after clearing it if
6637 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6638 (timevar_pop): Likewise.
6639 (timevar_stop): Likewise.
6640 (timevar_push): Likewise. Mark the timing variable as used.
6641 (timevar_start): Likewise.
6642 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6643 timevars that were never used.
6645 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6647 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6648 always TREE_READONLY.
6650 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6652 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6653 for call instruction with mode QImode.
6655 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6657 * Makefile.in (OBJS): Add timevar.o.
6658 (toplev.o): Depend on timevar.h.
6659 (ggc-simple.o): Likewise.
6660 (ggc-page.o): Likewise.
6661 (timevar.o): New rule.
6662 (timevar.h): New rule.
6664 * timevar.h: New file.
6665 * timevar.c: Likewise.
6666 * timevar.def: Likewise.
6668 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6669 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6671 (TIMEVAR): Remove macro.
6672 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6673 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6674 flow_time, combine_time, regmove_time, sched_time,
6675 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6676 sched2_time, dbr_sched_time, reorder_blocks_time,
6677 rename_registers_time, shorten_branch_time, stack_reg_time,
6678 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6680 (compile_file): Don't initialize time variables. Call
6681 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6682 of many calls to print_time.
6683 (rest_of_compilation): Add timing for reload_cse_regs.
6684 (get_run_time): Removed to timevar.c.
6685 (print_time): Likewise.
6686 (get_run_time): Implement using TV_TOTAL time variable.
6687 (print_time): Get total run time from get_run_time.
6688 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6689 computing elapsed time explicitly.
6690 * ggc-simple.c (ggc_collect): Likewise.
6691 (gc_time): Remove declaration.
6693 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6695 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6696 (expand_call): Use it.
6698 2000-04-27 Jan Hubicka <jh@suse.cz>
6700 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6703 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6705 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6708 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6710 * function.c (epilogue_done): Pass whole insn to record_insns.
6712 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6714 * cse.c (CSE_ADDRESS_COST): Remove.
6715 (find_best_addr): Add new parameter "MODE", use address_cost instead
6717 (address_cost): New.
6718 (fold_rtx): Update call of find_best_addr.
6719 * rtl.h (address_cost): Declare.
6720 * loop.c (general_induction_var): Add new parameter "MODE", use
6721 address_cost instead of ADDRESS_COST
6722 (init_loop): Use address_cost instead of ADDRESS_COST.
6723 (check_insn_for_givs): Update call of general_induction_var.
6724 (find_mem_givs): Likewise.
6725 (consec_sets_giv): Likewise.
6726 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6727 * i386.c (ix86_address_cost): New.
6728 * i386-protos.h (ix86_address_cost): Declare.
6730 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6732 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6735 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6737 * expr.c (store_expr): Use clear_storage instead of direct memset
6740 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6742 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6743 ASHIFT, AND and LABEL_REF.
6745 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6747 * invoke.texi (-foptimize-sibling-calls): Fix.
6749 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6751 * loop.c (load_mems) Don't use hard registers for the hoisting.
6753 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6754 calculation; rename const_equiv array in the preconditioning code
6755 from loop_unroll to loop_unroll_precondition
6757 2000-04-27 Richard Henderson <rth@cygnus.com>
6759 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6761 (propagate_one_insn): Clear it. Don't update reg_live here.
6762 (init_propagate_block_info): Update for pbi member changes.
6763 (free_propagate_block_info): Likewise.
6764 (mark_set_1): Know that zero_extract, sign_extract, and
6765 strict_low_part don't kill their argument. Alter hard subregs.
6766 Update new_set for non-CLOBBER sets. Update reg_live.
6767 (find_auto_inc): Update reg_live, not new_dead.
6768 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6769 to determine if the reg in question was set this insn. Only update
6770 reg info with PROP_REG_INFO.
6772 2000-04-26 Richard Henderson <rth@cygnus.com>
6774 * flow.c (allocate_reg_life_data): Set max_regno here ...
6775 (life_analysis): ... not here.
6777 * flow.c (calculate_global_regs_live): Force stack pointer
6780 2000-04-26 Richard Henderson <rth@cygnus.com>
6782 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6783 commit change group changes.
6784 (invert_exp_1): Similarly.
6785 (redirect_exp, invert_exp): Use them.
6786 (redirect_jump_1): New.
6787 (invert_jump_1): New.
6788 (jump_optimize_1): Remove code subsumed by condexec.c.
6789 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6791 2000-04-26 Richard Henderson <rth@cygnus.com>
6793 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6795 * genconfig.c (main): Set all HAVE_foo to 1.
6797 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6799 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6801 * invoke.texi: Document -fssa flag.
6803 2000-04-26 Richard Henderson <rth@cygnus.com>
6805 * flow.c (count_reg_sets_1): Remove.
6806 (count_reg_sets, count_reg_references): Remove.
6807 (recompute_reg_usage): Implement with update_life_info.
6808 Reallocate life data.
6810 2000-04-26 Richard Henderson <rth@cygnus.com>
6812 * flow.c (update_life_info): Consider blocks null to mean the
6814 (calculate_global_regs_live): Likewise.
6815 (life_analysis): Do that instead of collecting all_blocks.
6817 2000-04-26 Richard Henderson <rth@cygnus.com>
6819 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6820 a still-valid conditional jump.
6822 2000-04-26 Richard Henderson <rth@cygnus.com>
6824 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6826 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6827 * flow.c (calculate_loop_depth): Remove.
6828 * output.h (calculate_loop_depth): Don't declare.
6829 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6830 inline; run estimate_probability at the same time.
6832 2000-04-26 Neil Booth <NeilB@earthling.net>
6834 * cpplib.h: "~=" is not a single pp-token.
6835 * cpplex.c: Correct commentary.
6837 2000-04-26 Richard Henderson <rth@cygnus.com>
6839 * flow.c (mark_set_1): New arguments code and flags; update all
6840 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6841 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6842 loop_depth when optimizing for size. Do new_dead update after
6843 emitting REG_UNUSED notes. Merge mark_set_reg code.
6844 (mark_set_reg): Remove.
6845 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6846 arrange to not emit REG_UNUSED notes.
6848 2000-04-26 Richard Henderson <rth@cygnus.com>
6850 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6851 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6853 2000-04-26 Richard Henderson <rth@cygnus.com>
6855 * flow.c (propagate_one_insn): Break out from propagate_block.
6856 (init_propagate_block_info): Likewise.
6857 (free_propagate_block_info): Likewise.
6858 (propagate_block): Use them. Export.
6859 * basic-block.h: Declare them all.
6861 2000-04-26 Richard Henderson <rth@cygnus.com>
6863 * basic-block.h (life_analysis): Declare here ...
6864 * output.h: ... not here.
6865 * flow.c (life_analysis): Remove nregs parameter; replace
6866 remove_dead_code with flags. Remove ssa dead code check.
6867 Only init alias analysis if we'll use it.
6868 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6869 * ssa.c (convert_to_ssa): Likewise.
6870 (convert_from_ssa): Likewise.
6871 * toplev.c (rest_of_compilation): Likewise.
6873 2000-04-26 Richard Henderson <rth@cygnus.com>
6875 * flow.c (flow_delete_block): Rename from delete_block. Export.
6876 * basic-block.h (flow_delete_block): Declare.
6878 2000-04-26 David S. Miller <davem@redhat.com>
6880 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6881 taking a PATTERN of it.
6883 2000-04-26 <NeilB@earthling.net>
6885 * cpplex.c (spell_other, spell_char): Remove.
6887 (token_spelling, trigraph_map): Use unsigned chars.
6888 (_cpp_lex_line): Tidy up the switch statement.
6889 * cpplib.h: Implement spell_char with spell_string.
6892 2000-04-26 <RodneyBrown@pmsc.com>
6894 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6895 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6897 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6899 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6900 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6901 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6902 dwarf2out_return_save, dwarf2out_return_reg,
6903 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6904 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6905 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6907 * dwarf2out.h (dwarf2out_init): Likewise.
6909 * dwarfout.c (filename_entry, primary_filename, last_filename,
6910 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6912 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6913 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6914 dwarf2out_return_reg): Likewise.
6916 2000-04-26 Andreas Jaeger <aj@suse.de>
6918 * extend.texi (Function Attributes): Fix description of pure
6921 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6923 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6924 before calling rest_of_compilation.
6926 2000-04-26 Andreas Jaeger <aj@suse.de>
6928 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6931 2000-04-25 Richard Henderson <rth@cygnus.com>
6933 * cse.c (cse_insn): Emit barrier after unconditional jump.
6935 * calls.c (expand_call): Disable tail call generation once
6936 rtx_equal_function_value_matters is false.
6938 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6941 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6943 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6945 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6947 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6948 is the primary DIE for a member function.
6949 (gen_decl_die): Call set_decl_origin_self here.
6950 * dwarfout.c (output_decl): And here.
6951 * integrate.c (output_inline_function): Not here.
6952 Don't clear DECL_INLINE until after calling rest_of_compilation.
6953 (set_decl_origin_self): No longer static.
6954 * tree.h: Add prototype.
6955 * toplev.c (note_deferral_of_defined_inline_function): Only write
6956 out abstract instance for actual inlines.
6958 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6960 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6961 EXTENDED_REGS only if TARGET_AM33.
6962 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6963 SP_REGS to register allocation and reloading unless absolutely
6965 (movsi3): Remove special-case of adding non-constants to SP.
6967 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6969 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6970 INCLUDES to search and does not provide any of its own. Also it
6971 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6972 parameters. Also it does not call AC_DEFINE.
6973 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6974 AC_DEFINE and provides for automatic entries for autoheader.
6975 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6977 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6978 so we can pass -I flags and include gansidecl.h/system.h in this
6981 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6983 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6985 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6986 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6987 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6989 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6990 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6991 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6992 for these macros. Clean up spacing and linewraps.
6994 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6996 * calls.c (expand_call): Use get_callee_fndecl.
6998 * print-tree.c (print_node): Print the chain of an _EXPR.
7000 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7001 Jim Wilson <wilson@cygnus.com>
7002 Andrew Haley <aph@cygnus.com>
7004 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7005 and gp save/restore problems.
7006 * config/ia64/crtend.asm: Add IA-64 unwind support.
7007 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7008 in fr_pad_size calculation.
7009 (save_restore_insns): Move PR save area. Correct uses of
7010 RTX_FRAME_RELATED_P.
7011 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7012 (ia64_expand_epilogue): Add eh_epilogue support.
7013 (ia64_function_prologue): Emit .prologue directive.
7014 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7015 (ia64_override_options): Set init_machine_status and
7016 mark_machine_status.
7017 (rtx_needs_barrier): Handle bsp reads and writes.
7018 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7019 New static variables.
7020 (process_set, process_for_unwind_directive): New functions.
7021 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7022 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7023 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7025 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7026 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7027 (struct machine_function): Define.
7028 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7030 2000-04-25 Bruce Korb <bkorb@gnu.org>
7032 * fixinc/Makefile.in: make the removal of old programs more
7034 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7035 install-bin and install-sh
7037 2000-04-25 Nick Clifton <nickc@cygnus.com>
7039 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7040 defined, define to return zero.
7041 (function_cannot_inline_p): If a function has any target
7042 specific attributes, then use the macro
7043 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7044 whether it can be inlined. If it cannot, issue a suitable
7047 * tm.texi: Add a new node 'Inlining' to document the new macro
7048 FUNCTION_ATTRIBUTE_INLINABLE_P.
7050 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7052 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7055 2000-04-25 Neil Booth <NeilB@earthling.net>
7057 Restore previous patch, plus the following fixes:
7059 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7060 flags, not CPP_OPEN_PAREN.
7061 * cpplex.c (expand_token_space, init_token_list,
7062 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7063 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7065 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7067 * config/i386/freebsd.h (INT_ASM_OP): Define.
7069 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7071 * loop.c (strength_reduce): Fix typo in the last checkin.
7073 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7075 * stor-layout.c (finalize_record_size): Simplify to use existing
7077 (compute_record_mode): No longer static.
7078 * tree.h (compute_record_mode): New declaration.
7080 2000-04-25 Neil Booth <NeilB@earthling.net>
7082 * Revert my patch below until cause of build failures
7085 2000-04-25 Richard Henderson <rth@cygnus.com>
7087 * combine.c (combine_instructions): Add missing argument
7090 * toplev.c (rest_of_compilation): Delay sibcall optimization
7091 until after emit_eh_context.
7093 2000-04-24 Nick Clifton <nickc@redhat.com>
7095 * combine.c (combine_instructions): Do not try to combine a
7096 sequence of insns when the second insn has been replaced by a
7099 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7101 * gcc.c (load_specs): New static function.
7102 (read_specs): Use it.
7104 * gcc.c (lookup_compiler): Make multiple passes for case
7105 insensitive filesystems.
7107 2000-04-24 Neil Booth <NeilB@earthling.net>
7109 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7110 * cpphash.h (_cpp_check_directive): new.
7111 * cpplex.c (handle_newline, cpp_free_token_list,
7112 init_trigraph_map, trigraph_ok, trigraph_replace,
7113 backslash_start, skip_block_comment, skip_line_comment,
7114 skip_whitespace, parse_name, parse_number, parse_string,
7115 copy_comment, _cpp_lex_line, spell_char, spell_string,
7116 spell_comment, spell_name, spell_other, _cpp_lex_file,
7117 _cpp_output_list): new.
7118 (expand_name_space): take length argument.
7119 (init_token_list): add comment list initialisation.
7120 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7121 instead of HSPACE_BEFORE.
7123 * cpplib.c (_cpp_check_directive): new
7124 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7125 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7126 (HSPACE_BEFORE): delete.
7127 (TTYPE_TABLE): rearrange.
7128 (struct cpp_toklist): update.
7130 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7132 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7133 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7134 argument form of AC_DEFINE.
7136 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7137 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7138 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7139 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7140 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7142 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7144 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7146 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7147 deduced.h): Use -isystem, not -I, for including system headers.
7149 2000-04-24 Nick Clifton <nickc@cygnus.com>
7151 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7152 the source register is the frame pointer or arg pointer.
7153 (addsi3_small_int): Disallow if source register is the frame
7154 pointer or arg pointer.
7156 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7158 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7159 call to AC_MSG_RESULT.
7161 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7163 * invoke.texi: Correct grammatical errors, document
7164 -fno-gnu-keywords as identical to -fno-asm for C++.
7166 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7168 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7169 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7170 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7171 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7172 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7174 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7175 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7176 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7177 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7180 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7182 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7183 (pop_alignment): Likewise.
7184 (handle_pragma_token): Likewise.
7186 2000-04-24 Robert Lipe <robertlipe@usa.net>
7188 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7190 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7192 * combine.c (try_combine): Update reg_nonzero_bits of
7193 newi2pat before newpat.
7195 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7197 * loop.c (strength_reduce): Simplify test to INSN_P.
7198 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7199 expressions instead of CONST_INT.
7200 (express_from_1): Likewise.
7202 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7204 * regs.h (reg_n_max): Don't declare.
7205 * flow.c (reg_n_max): Don't define.
7206 * regclass.c (renumber): Don't initialize to zero.
7207 (regno_allocated): Likewise.
7208 (reg_n_max): Define.
7209 (allocate_reg_info): Don't initialize unnecessarily.
7211 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7213 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7214 and blockage_p in the newly allocated attribute.
7216 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7218 * config/mn10300/mn10300.md (addsi): `inc4' on address
7219 registers does not modify cc, but `inc' on an extended
7222 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7224 * reload.c (find_equiv_reg): Checks all valueno regs
7225 as a reload_reg_p regs.
7227 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7229 * cpphash.c (collect_objlike_expansion): Add sanity check.
7230 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7231 the buffer is the empty string, return. Mark __DATE__ and
7232 __TIME__ as XCONST nodes, not MCONST.
7233 (_cpp_macroexpand): Avoid pushing an empty buffer.
7234 (funlike_macroexpand): Don't pop token_buffer here.
7236 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7238 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7239 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7240 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7241 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7242 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7243 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7244 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7246 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7248 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7251 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7253 * cpphash.h (struct definition): Move file, line, col members...
7254 (struct hashnode): ... here. Also add 'disabled' flag.
7255 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7256 T_IDENTITY. Remove T_DISABLED.
7259 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7260 (collect_expansion): Split into collect_objlike_expansion and
7261 collect_funlike_expansion.
7262 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7263 funlike_macroexpand.
7264 (_cpp_compare_defs): Rename compare_defs, make static.
7265 (_cpp_make_hashnode): Initialize hp->disabled.
7266 (macro_cleanup): Adjust for new token types. Clear
7268 (_cpp_create_definition): Move code here to determine what
7269 sort of macro it is, and code to check for redefinitions, from
7270 do_define. Implement a few simple cases without creating a
7272 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7273 Handle the simple cases.
7274 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7277 * cppinit.c (builtin_array): Change MCONST to XCONST
7279 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7280 fix check for disabled and function-like macros.
7281 * cpplib.c (do_define): Move most logic to
7282 _cpp_create_definition.
7283 (do_undef): Handle new special token types.
7285 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7287 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7288 of CONSTANT_P for mult_val; always use validate_change to update insn.
7290 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7292 * cpphash.c (trad_stringify, add_pat): New functions.
7293 (collect_expansion): Restore support for -traditional syntax.
7294 Use trad_stringify and add_pat.
7295 (_cpp_macroexpand): Restore support for -traditional semantics.
7296 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7297 get a COMMENT token.
7298 (_cpp_lex_token): Provide COMMENT tokens to caller if
7299 traditional and parsing_define_directive.
7300 (skip_comment): Warn about // comments if -Wtraditional.
7301 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7303 (do_undef): Don't warn about undefining EMPTY nodes.
7305 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7307 * loop.c (strength_reduce): Fix biv removal code.
7309 2000-04-22 Richard Henderson <rth@cygnus.com>
7311 * predict.c (estimate_probability): Examine both sides of
7312 a branch for no exits. Use 90% not 50% for predict taken.
7313 Reorg for one copy of note generation code.
7315 2000-04-22 Richard Henderson <rth@cygnus.com>
7317 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7319 2000-04-22 Richard Henderson <rth@cygnus.com>
7321 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7322 (output_clear): Likewise.
7323 (output_printf): Use va_copy.
7324 (vline_wrapper_message_with_location): Likewise.
7325 (v_message_with_decl): Likewise.
7326 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7327 * system.h (va_copy): Provide default implementation.
7329 2000-04-22 Richard Henderson <rth@cygnus.com>
7331 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7332 the collected condition is not a constant.
7334 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7336 * diagnostic.h: New file.
7338 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7340 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7341 various function prototypes.
7342 (diagnostic.h): #include.
7343 (struct output_buffer): Move into diagnostic.h.
7344 (get_output_prefix): Rename to output_get_prefix. Export.
7345 (init_output_buffer): Export. Break out. Ajust intialization.
7346 (output_space_left, output_append): Export.
7347 (output_newline): Rename to output_add_newline. Export.
7348 (output_clear): Nullify additional output_buffer fields.
7349 (output_puts): Rename to output_add_string. Export.
7350 (dump_output): Rename to output_flush_on. Export.
7351 (build_location_prefix): Constify return-type.
7352 (emit_output_prefix): Rename to output_emit_prefix. Export.
7353 (set_real_maximum_length): New function.
7354 (output_set_maximum_length): Ditto
7355 (output_clear): Ditto.
7356 (output_add_character): Ditto.
7357 (output_add_integer): Ditto.
7358 (output_add_space): Ditto.
7359 (output_format): Ditto.
7360 (output_printf): Adjust buffer initialization.
7361 (vline_wrapper_message_with_location): Ditto.
7362 (v_message_with_decl): Ditto. Adjust call to output_puts
7363 and get_output_prefix.
7364 (default_print_error_function): Adjust buffer intialization.
7366 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7368 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7371 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7373 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7376 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7378 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7379 accurate data about SP moves.
7381 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7383 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7384 aliases to AM33 registers.
7386 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7388 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7389 to all EXTENDED bitmaps.
7391 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7393 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7394 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7395 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7397 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7399 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7400 the operand is not constant.
7402 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7404 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7405 as a call-clobbered regs.
7407 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7409 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7411 * rtl.def: Update comment.
7412 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7413 * integrate.c (expand_inline_function): Likewise.
7414 * profile.c (branch_prob): Likewise.
7415 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7416 * print-rtl.c (print_rtx): Likewise.
7417 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7418 (reemit_notes): Likewise; also use enum insn_note.
7420 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7421 (place_field): Properly compute know and actual alignment.
7423 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7426 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7429 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7431 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7432 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7433 (collect_expansion): Rewrite to scan over a token list.
7434 Remove -traditional support.
7435 (collect_formal_parameters): Rename to collect_params; rewrite
7436 to scan over a token list.
7437 (_cpp_create_definition): Adjust to scan a token list.
7438 (_cpp_macroexpand): Remove -traditional support.
7439 (_cpp_compare_defs): Whitespace is now canonicalized.
7440 (comp_def_part): Delete function.
7442 * cpphash.h: Update prototypes.
7443 * cpplex.c (init_token_list): Don't set lineno if there is no
7445 (pedantic_whitespace): New function.
7446 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7447 consume a newline. Use pedantic_whitespace.
7448 (_cpp_lex_token): Remove support for -traditional macros.
7449 (_cpp_get_define_token): Delete.
7450 (_cpp_get_directive_token): Do the real work here. Use
7451 pedantic_whitespace.
7452 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7454 * cpplib.c (get_macro_name): Delete.
7455 (do_define): Read the entire line into pfile->directbuf, then
7456 feed the token list to _cpp_create_definition.
7457 * cpplib.h (HSPACE_BEFORE): new define.
7458 (struct cpp_reader): Add a toklist member, "directbuf".
7460 * predict.c (estimate_probability): New heuristic: if a jump
7461 branches around a block with no successors, predict it taken.
7462 Disentangle control flow.
7464 2000-04-20 Richard Henderson <rth@cygnus.com>
7466 * loop.c (emit_iv_add_mult): Revert last change.
7468 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7470 * cpplib.h (enum cpp_ttype): Add token types for all
7471 punctuators. Distinguish pp-numbers from valid C numbers.
7472 Give some tokens better names. Initialize from macro.
7473 (struct cpp_name, cpp_token, cpp_toklist): New data
7476 * cpplex.c (bump_column, expand_name_space,
7477 expand_token_space, init_token_list, cpp_output_list,
7478 _cpp_scan_line): New functions.
7479 (output_line_command): Add third argument, new line number.
7480 * cpphash.h: Update prototypes.
7481 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7484 2000-04-20 Richard Henderson <rth@cygnus.com>
7486 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7488 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7490 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7493 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7495 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7496 REG_EQUAL note explaining the calculated value.
7498 * calls.c (expand_call): Avoid unnecesary precalculation
7499 and outgoing parameters space guarding for sibling calls.
7500 (store_one_arg): Likewise.
7502 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7504 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7505 (rest_of_compilation): Write sibling dump file and account
7506 for time as jump time.
7507 * invoke.texi: Update documentation on dump flags.
7509 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7511 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7513 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7515 * cpphash.c (special_symbol): Represent an empty macro with
7516 "\r \r " not just "\r ".
7517 (_cpp_macroexpand): Correct condition for the foo ( ) special
7519 (unsafe_chars): Handle EOF as second argument.
7520 (push_macro_expansion): Simplify test for removing escape at
7521 end. Do not trim both escapes if there is no text in between.
7523 2000-04-19 Jim Blandy <jimb@redhat.com>
7525 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7526 of PTR_SIZE, when appropriate.
7528 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7530 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7531 (USE_ENUM_BITFIELDS): Fix typo.
7533 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7535 * stor-layout.c (place_field): Set rli->offset_align properly.
7537 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7539 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7540 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7541 PARM_BOUNDARY): Remove unnecessary casts.
7543 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7545 * calls.c (precompute_arguments): Remove must_preallocate and
7547 (expand_call): Update call of precompute_arguments.
7549 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7550 check_insn_for_givs): Break out from ...
7551 (strength_reduce) ... here; use for_every_insn_in_loop to call
7552 check_insn_for_givs.
7553 * loop.h (for_every_insn_in_loop): Declare.
7554 (loop_insn_callback): New type.
7556 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7558 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7561 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7563 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7566 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7568 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7570 * configure.in: Delete --disable-cpplib option and all
7571 references to cpp_main.
7572 * configure: Regenerate.
7573 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7574 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7575 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7576 cpp$(exeext). Add --no-headers to makeinfo command line when
7577 generating INSTALL. Install and uninstall cpp.1 manpage, not
7579 * install.texi: Delete all references to cexp.y/cexp.c.
7580 Delete ancient instructions for compiling GCC on 3b1.
7581 * INSTALL: Regenerate.
7583 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7584 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7585 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7587 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7588 which is no longer tested anywhere.
7590 * cppinit.c (handle_option): Don't run error message through
7593 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7595 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7596 * cpperror.c (hashtab.h): Now include.
7597 * cppexp.c (hashtab.h): Likewise.
7598 * cpplex.c (hashtab.h): Likewise.
7599 * cppfiles.c (hashtab.h): Likewise.
7600 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7601 to htab_find_slot_with_hash.
7602 * cpphash.c (hashtab.h): Now include.
7603 (_cpp_lookup_slot): INSERT is now enum insert_option.
7604 * cpphash.h (_cpp_lookup_slot): Likewise.
7605 * cppinit.c (hashtab.h): Include earlier.
7606 (initialize_builtins): Pass enum to htab_find_slot.
7607 * cpplib.c (hashtab.h): Now include.
7608 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7609 (do_pragma_poison, do_assert): Likewise.
7610 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7611 htab_find_slot_with_hash.
7612 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7613 * tree.c (type_hash_add): Likewise.
7614 (build1): Minor cleanup.
7616 * ggc-common.c: Add missing blanks.
7617 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7618 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7620 * stmt.c (mark_case_node): New function.
7621 (mark_case_nesting): Call it.
7623 * expmed.c (emit_store_flag): If comparing two-word integer
7624 with zero, can optimize NE, EQ, GE, and LT.
7626 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7627 * conflict.c: Minor cleanups.
7628 * optabs.c: Add blank line
7629 * simplify-rtx.c: Minor cleanups.
7631 2000-04-18 Stan Cox <scox@cygnus.com>
7633 * gengenrtl.c (genlegend): Fix misspelling.
7635 2000-04-18 Robert Lipe <robertlipe@usa.net>
7637 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7638 bitfields of the host compiler are not signed quantities.
7639 * config.in: Regenerate.
7640 * configure: Regenerate.
7641 * system.h (USE_ENUM_BITFIELDS): Added.
7642 (ENUM_BITFIELDS): Added.
7643 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7644 (SHORT_ENUM_BUG): Deleted.
7645 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7647 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7648 (CODE_FIELD_BUG): Likewise.
7649 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7651 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7653 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7655 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7658 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7660 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7661 * cpplib.c (do_include, do_import, do_include_next,
7662 read_line_number, detect_if_not_defined): Likewise.
7663 * cpphash.c (collect_expansion): Likewise.
7664 (special_symbol, _cpp_macroexpand): Check return from
7666 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7667 macros. Delete all uses.
7669 * gcc.dg/cpp-mi.c: Add two more test cases.
7670 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7672 2000-04-17 Richard Henderson <rth@cygnus.com>
7674 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7675 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7677 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7679 * function.c (expand_function_start): Use hard_function_value to
7680 compute the RTL to use for DECL_RESULT.
7682 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7684 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7685 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7686 x86_memory_mismatch_stall): New global variables.
7687 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7688 alloved; fix load penalties for Athlon.
7689 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7690 x86_memory_mismatch_stall): Declare.
7691 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7692 TARGET_MEMORY_MISMATCH_STALL): New.
7693 * i386.md (athlon scheduling parameters): Fix latencies according to
7694 Athlon Optimization Manual.
7695 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7697 (fsqrt instruction patterns): Set athlon_decode to direct.
7698 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7699 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7700 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7701 and TARGET_PARTIAL_REGISTER_STALL machines.
7702 (pushdf_nointeger): New pattern.
7703 (pushdf_integer): Rename from pushdf.
7704 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7705 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7707 2000-04-17 Richard Henderson <rth@cygnus.com>
7709 * loop.c (canonicalize_condition): Add WANT_REG argument.
7710 Stop the search if we match it.
7711 * expr.h (canonicalize_condition): Update decl.
7712 * predict.c (expected_value_to_br_prob): Use it. Track last
7713 expected value note.
7714 (find_expected_value): Remove.
7716 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7718 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7720 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7721 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7723 * configure.in: Call AC_FUNC_MMAP_FILE.
7724 * configure: Regenerate.
7725 * config.in: Regenerate.
7727 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7728 * fixinc/fixincl.c: Likewise.
7730 2000-04-17 Richard Henderson <rth@cygnus.com>
7732 * builtins.c (expand_builtin_expect): New.
7733 (expand_builtin): Call it.
7734 * builtins.def (BUILT_IN_EXPECT): New.
7735 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7736 * extend.texi: Document it.
7738 * predict.c (expected_value_to_br_prob): New.
7739 (find_expected_value): New.
7740 * basic-block.h (expected_value_to_br_prob): Declare.
7741 * toplev.c (rest_of_compilation): Invoke it.
7743 * rtl.h (NOTE_EXPECTED_VALUE): New.
7744 (NOTE_INSN_EXPECTED_VALUE): New.
7745 * rtl.c (note_insn_name): Update.
7746 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7747 cases; handle NOTE_INSN_EXPECTED_VALUE.
7749 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7751 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7752 leaf sibcall delay slot if flag_pic.
7753 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7755 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7757 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7759 * fixproto: If fix-header fails, exit with an error.
7761 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7763 * cse.c (struct check_depdendence_data): New.
7764 (check_dependence): New function.
7765 (invalidate): Use check_depdenence.
7767 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7769 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7770 UNITS_PER_WORD is unsigned.
7772 * tree.h (struct tree_common): Remove misleading comment.
7774 2000-04-16 Dave Pitts <dpitts@cozx.com>
7776 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7777 message in quotes. Otherwise, IBM's make program treats the '#' as the
7778 start of a comment and ignores the remainder of the line.
7780 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7782 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7783 * cexp.y (initialize_random_junk): Likewise.
7784 * cppfiles.c (find_include_file): Cast alloca return value.
7785 * cppinit.c (initialize_standard_includes): Likewise.
7786 * cpplib.c (cpp_define, cpp_undef): Likewise.
7787 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7788 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7789 * fold-const.c (CHARMASK): New.
7790 (real_hex_to_f): Use it.
7791 * real.c (CHARMASK): New.
7792 (etoasc, asctoeg): Use it.
7793 (asctoeg): EBCDIC lower case characters preceed upper case.
7795 * i370.c (mvs_add_label): Change spacing for coding conventions.
7796 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7797 outputing case vectors.
7798 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7799 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7800 since vector in in the data CSECT.
7801 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7802 * i370.md (Many patterns): Put the length in the XL directives.
7803 (movdi): Put back STM and MVC in definition.
7804 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7805 pattern using the TCA.
7806 * oe.h (CPP_SPEC): Added to allow trigraphs.
7807 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7808 not support the "long long" type.
7810 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7812 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7814 (mips_reg_mode_ok_for_base_p): Likewise.
7815 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7816 (REG_OK_FOR_INDEX_P): Define unconditionally.
7817 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7818 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7819 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7820 that GET_MODE_SIZE is unsigned.
7821 (mips_reg_mode_ok_for_base_p): Define.
7822 (mips_legitimate_address_p): Likewise. Adjust now
7823 that GET_MODE_SIZE is unsigned.
7824 (block_move_loop): Make the number of bytes unsigned.
7825 (expand_block_move): Likewise.
7826 (function_arg): Make the loop counter unsigned to match the
7829 2000-04-16 Richard Henderson <rth@cygnus.com>
7831 * rtl.h (enum insn_note): New enumeration. Subsume
7832 NOTE_INSN_DELETED and friends.
7833 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7834 * rtl.c (note_insn_name): Tweak string order.
7836 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7838 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7841 * cpplex.c (output_line_command): Remove debugging prints.
7842 (cpp_output_tokens): Don't write out a zero-length buffer or
7843 try to see if it has a newline in it.
7844 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7845 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7846 the end of the loop. Use memmove. Don't read past the end of
7847 the buffer. Remove trailing newlines from error messages.
7849 2004-04-16 Neil Booth <NeilB@earthling.net>
7851 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7852 * cpplib.c: Add new syntax flags to directive table, and
7855 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7857 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7860 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7862 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7863 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7865 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7867 * Makefile.in (ggc-page.o): Now includes toplev.h.
7868 * ggc-page.c (toplev.h): Now included.
7869 (gc_time): Remove declaration.
7870 (ggc_collect): TIME now long.
7871 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7873 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7875 * toplev.c: Make *_time variable long to reduce chance of overflow.
7876 (TIMEVAR): Likewise for `otime'.
7877 (print_time): Arg is now long; compute percentage in FP and round.
7878 * toplev.h (print_time): Arg is long.
7880 * tree.c: Minor whitespace changes.
7882 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7883 * configure: Rebuilt.
7884 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7885 (__fixunsxfDI): Renamed from __fixunsxfdi.
7886 (__fixunsdfDI): Renamed from __fixunsdfdi.
7887 (__fixunssfDI): Renamed from __fixunssfdi.
7888 (__floatdisf): Use proper type in REP_BIT macro.
7889 (__fixunsxfSI): Renamed from __fixunsxfsi.
7890 (__fixunsdfSI): Renamed from __fixunsdfsi.
7891 (__fixunssfSI): Renamed from __fixunssfsi.
7892 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7893 Change location of macros and upper-case some names as above.
7894 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7895 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7897 * varasm.c (assemble_variable): Add cast to remove warning.
7898 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7900 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7901 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7902 region number to -1.
7904 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7906 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7907 call unshare_all_rtl.
7909 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7911 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7913 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7914 Use .s1 not .s0 for all FP instructions.
7916 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7918 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7920 (safe_fwrite, output_line_command): New static functions.
7921 (cpp_expand_to_buffer): Now private to cpplib.
7922 (cpp_scan_buffer): Take a printer.
7924 * cpphash.h: Update prototypes.
7925 * cpplib.h: Update prototypes.
7927 (cpp_buffer): Remove last_nominal_fname.
7928 (cpp_reader): Remove lineno.
7930 * cppmain.c: Use a cpp_printer.
7931 * fix-header.c: No need to inhibit line commands. Call
7932 cpp_start_read with no printer.
7934 * cpperror.c (cpp_notice_from_errno): Provide default name.
7935 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7936 (find_include_file, cpp_read_file): Use make_IHASH.
7937 (file_cleanup): Set control_macro and clear
7938 input_stack_listing_current here.
7939 (_cpp_execute_include): Don't output entering-file marker.
7940 * cpphash.c (special_symbol): Look for the line number in the
7941 buffer, not the reader.
7942 (_cpp_macroexpand): No need to disable line commands.
7943 (_cpp_dump_definition): No need to generate line commands.
7944 (dump_hash_helper): Remove excess newline from output.
7945 * cppinit.c (dump_special_to_buffer): No need to generate line
7947 (cpp_printer_init): New.
7948 (cpp_start_read): Take a printer, and start it up if it's not
7949 NULL. No need to generate line commands.
7950 (cpp_finish): Expect no buffers stacked at all. Take a
7951 printer argument, and flush the output buffer if it's not
7953 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7954 Don't put two hashes at the beginning of an assertion.
7955 (cpp_get_token): Don't increment pfile->lineno or emit line
7956 commands here. Return EOF if there's no buffer when we get
7958 * cpplib.c (do_define, skip_if_group):
7959 No need to disable line commands.
7960 (_cpp_output_line_command): Delete function.
7961 (do_line): Don't emit line commands here, but set things up so
7962 they will be emitted if necessary. Use _cpp_fake_ihash to
7963 make unique nominal_fnames if necessary.
7964 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7965 with 0 for column, not -1.
7966 (_cpp_handle_eof): Don't set the control macro here. Don't
7967 clear input_stack_listing_current here. Don't emit line
7970 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7972 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7973 always, use the default SVR4 start address.
7975 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7976 (LINK_SHLIB_SPEC): Define.
7977 (LINK_START_DEFAULT_SPEC): Define.
7978 (LINK_OS_DEFAULT_SPEC): Define.
7980 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7982 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7983 __do_global_ctors to handle constructors.
7984 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7985 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7986 (STARTFILE_MVME_SPEC): Likewise.
7987 (STARTFILE_SIM_SPEC): Likewise.
7988 (ENDFILE_ADS_SPEC): Use crtend.
7989 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7990 (ENDFILE_MVME_SPEC): Likewise.
7991 (ENDFILE_SIM_SPEC): Likewise.
7992 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7993 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7994 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7995 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7996 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7997 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7998 (CRTSTUFF_T_CFLAGS_S): Define.
7999 * config/rs6000/eabi-ctors.c: Delete.
8001 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8004 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8008 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8010 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8011 plus mask size is smaller or equal to the mode size.
8013 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8015 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8018 * expr.c (reload.h): Now included.
8019 (emit_block_move): Set volatile_ok when checking for movstr.
8020 (emit_move_1): Check for replacements in addresses in multi-word case.
8021 * Makefile.in (expr.o): Now includes reload.h.
8023 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8024 Never have a LIBCALL end a basic block.
8025 (find_basic_blocks_1): Likewise.
8026 Reorganize CALL_INSN cases.
8028 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8030 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8032 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8033 completers from mov.ret instruction.
8035 2000-04-14 Richard Henderson <rth@cygnus.com>
8037 * fold-const.c (extract_muldiv): Don't distribute and widen
8038 multiply across plus for non-sizetype unsigned types.
8040 2000-04-14 Richard Henderson <rth@cygnus.com>
8042 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8043 If the original source is dead in the incr insn, it's dead now.
8045 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8047 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8048 see if DECL_BIT_FIELD needs to still be set.
8050 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8052 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8053 print_int_cst_octal with something that's not an INTEGER_CST.
8055 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8056 and not a SUBREG to a FLOAT rtl.
8058 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8060 * emit-rtl.c (try_split): Avoid infinite loop if the split
8061 results in a sequence that contains the original insn.
8063 2000-04-13 Andreas Jaeger <aj@suse.de>
8065 * config/mips/mips.c (expand_block_move): Pass alignment
8066 argument to move_by_pieces in bits, not bytes.
8068 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8069 __pic__ for little endian.
8071 2000-04-13 Andreas Jaeger <aj@suse.de>
8073 * config/i386/i386-protos.h: Add prototype for
8074 uno_comparison_operator.
8076 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8078 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8079 * calls.c (ECF_PURE): New flag.
8080 (emit_call_1): Handle ECF_PURE calls.
8081 (initialize_argument_information): Unset ECF_PURE flag too.
8082 (precompute_arguments): Precompute for ECF_PURE too.
8083 (expand_call): Handle ECF_PURE calls too.
8084 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8085 accept value of 2 as pure function.
8086 (emit_library_call_value, emit_library_call): Rename no_queue argument
8088 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8090 * tree.h (DECL_IS_PURE): New macro.
8091 (struct tree_decl): Add pure_flag.
8092 * c-common.c (enum attrs): Add attribute "pure".
8093 (init_attributes): Initialize attribute "pure"
8094 (decl_attributes): Handle attribute "pure".
8095 * extend.texi (Attribute "pure"): Document.
8096 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8098 (flags_from_decl_or_type): Support attribute "pure".
8100 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8102 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8103 the token except for numbers and identifiers.
8105 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8107 * i386.c (ix86_expand_binary_operator,
8108 ix86_expand_unary_operator): Check no_new_pseudos
8109 instead of reload_in_progress and reload_completed.
8110 (ix86_split_ashldi, ix86_split_ashrdi,
8111 ix86_split_lshrdi): Check no_new_pseudos instead
8112 of reload_completed.
8114 2000-04-12 Jeffrey A Law (law@cygnus.com)
8116 * function.c (purge_addressof): Unshare any shared rtl created by
8117 purge_addressof and its children.
8119 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8121 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8124 2000-04-05 Andreas Jaeger <aj@suse.de>
8126 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8127 not compiling PIC code, add flags for mabi=64.
8128 (SUBTARGET_CPP_SIZE_SPEC): New.
8129 (SUBTARGET_CPP_SPEC): New.
8130 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8131 for MIPS/Linux and lots of code needs these defines.
8133 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8135 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8136 trying the "opposite arithmetic" approach.
8138 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8140 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8141 (struct sh_args): Add new field force_mem.
8142 (INIT_CUMULATIVE_ARGS): Initialize it.
8143 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8145 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8147 * calls.c (expand_call): Do not reverse args in "equal from" field.
8148 (emit_library_call_value_1): Emit_libcall_block for const and pure
8151 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8153 * reload1.c (reload_combine): Don't enable optimization for fixed
8154 registers when encountering a BARRIER.
8156 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8158 * builtins.c (expand_builtin_memcmp): Do expansion even with
8159 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8161 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8162 stack is propertly aligned; add sanity checking for aligned
8164 (expand_library_call_value_1): Add sanity checking for aligned
8167 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8169 * calls.c (emit_library_call_value_1): Change 3rd arg to
8170 locate_and_pad_parm to disregard the setting of partial.
8172 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8174 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8176 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8177 CALL_INSN from the normal case.
8179 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8181 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8182 New global variables.
8183 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8185 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8187 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8188 TARGET_ADD_ESP_8): New macros.
8189 * i386.md: Add peep2s to convert esp adjustments to push and pop
8191 (pushsi_prologue, popsi_epilogue): New patterns.
8193 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8195 * real.c (toe64): Remove stale #endif from the last change.
8197 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8199 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8200 * real.c (toe64): Revert previous change.
8202 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8204 * objc/objc-act.c: Include ggc.h.
8205 (objc_tree_index, objc_global_trees): Convert most of the
8206 static tree variables into a static array with previous names
8208 (objc_ellipsis_node): New variable.
8209 (lang_init): Call objc_act_parse_init and c_parse_init.
8210 Create objc_ellipsis_node.
8211 (build_selector_translation_table): Use objc_ellipsis_node instead
8213 (hack_method_prototype): Likewise.
8214 (get_arg_type_list): Likewise.
8215 (start_method_def): Likewise.
8216 (continue_method_def): Likewise.
8217 (gen_method_decl): Likewise.
8218 (ggc_mark_imp_list): New function.
8219 (ggc_mark_hash_table): New function.
8220 (objc_act_parse_init): New function.
8221 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8222 * c-parse.in (c_parse_init): For objc add roots of objc specific
8223 local tree variables.
8224 * objc/objc-parse.y: Rebuilt.
8225 * objc/objc-parse.c: Rebuilt.
8226 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8228 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8230 * cse.c (delete_trivially_dead_insns): Also delete insns
8231 that copy a register to itself where the destination is
8234 2000-04-11 Richard Henderson <rth@cygnus.com>
8236 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8237 (propagate_block): Initialize them. Use them in parallel instead
8238 of one tmp variable, ie revert much of the 0408 and 0407 functional
8239 changes, but keep the structural changes.
8240 (mark_set_regs): Take new_dead from propagate_block_info instead.
8241 (mark_set_1, mark_set_reg): Likewise.
8242 (mark_used_regs): Likewise with new_live.
8243 (mark_used_reg): Likewise. Revert 0408 change.
8245 2000-04-11 Nick Clifton <nickc@cygnus.com>
8247 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8249 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8251 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8253 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8254 const section to output a CONSTRUCTOR based on the same conditions
8257 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8259 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8260 * pa/pa-protos.h (output_call): Add additional argument indicating
8261 if the call is a sibling/tail call.
8262 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8263 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8264 (function_arg, function_arg_partial_nregs): Likewise
8265 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8266 (emit_move_sequence): Zero extend certain constants as needed
8268 (compute_zdepdi_operands, output_64bit_and): New functions.
8269 (output_64bit_ior, function_arg): Likewise.
8270 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8271 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8272 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8273 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8274 (output_bvb): Likewise.
8275 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8276 (output_call): New argument 'sibcall'. Generate sibcall sequences
8278 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8279 (ouput_arg_descriptor): Do not emit argument descriptors for
8281 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8283 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8284 (FUNCTION_OK_FOR_SIBALL): Define.
8285 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8286 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8287 (CPP_SPEC): Use new spec infrastructure.
8288 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8289 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8290 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8291 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8292 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8293 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8294 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8295 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8296 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8297 (FUNCTION_ARG); Call out to C code.
8298 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8299 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8300 (MIN_UNITS_PER_WORD): Likewise.
8301 * pa/pa.md (cmpdi): New expander.
8302 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8303 (64bit conditional arithmetic): New patterns.
8304 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8305 (movsicc): Not available if modes on all the operands to not match.
8306 (movdicc): New expander and associated patterns.
8307 (64bit branches): New patterns.
8308 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8309 (pre_ldd, post_std): New patterns.
8310 (64bit addil, load low part): New patterns.
8311 (special movsf constant): Not available for TARGET_64BIT.
8312 (movsf, movdf expanders): Force constants into memory.
8313 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8314 (64bit movdf/movdi patterns): New patterns.
8315 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8317 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8318 (adddi3 expander): Allow "arith_operand" for second input.
8319 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8320 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8321 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8322 (muldi3): New expander for TARGET_64BIT.
8323 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8325 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8326 patterns for TARGET_64BIT.
8327 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8328 patterns for TARGET_64BIT.
8329 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8330 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8331 (sibcall_epilogue): New expander.
8332 (casesi): Tweak for TARGET_64BIT.
8333 (call expanders): Set & use the outgoing argument pointer. Use the
8334 64bit call patterns as needed. Add additional arg to output_call.
8335 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8336 (sibcall, sibcall_internal_symref): New expanders.
8337 (sibcall_value, sibcall_value_internal_symref
8338 (interspace_jump): Turn into an expander + matching patterns.
8339 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8340 * pa/pa64-regs.h: Eliminate trigraph sequences.
8341 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8343 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8345 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8346 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8347 cpp_token with cpp_ttype everywhere.
8348 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8349 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8350 CPP_BUF_COL. Line and column numbers are unsigned int, not
8352 * cpplex.c (cpp_buf_line_and_col): Delete.
8353 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8354 'long lineno' to 'unsigned int lineno'.
8355 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8357 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8359 * extend.texi: ISO C99 is not a draft anymore.
8360 * invoke.texi: ISO C++ is not a draft anymore.
8361 * cpp.texi: __cplusplus is required by the ISO standard.
8363 * extend.texi (-fthis-is-variable): Undocument.
8364 * flags.h (warn_template_debugging): Remove declaration.
8365 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8366 -Wenum-clash, -Wtemplate-debugging): Undocument.
8368 2000-04-10 Nick Clifton <nickc@cygnus.com>
8370 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8372 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8374 (ARM_SIGN_EXTEND): Use HOST_UINT.
8375 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8376 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8377 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8378 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8380 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8381 (arm_gen_constant): Use HOST_UINT.
8382 (arm_canonicalize_constant): Use HOST_UINT.
8383 (arm_reload_in_hi): Use HOST_UINT.
8384 (arm_reload_out_hi): Use HOST_UINT.
8385 (output_multi_immediate): Use HOST_UINT.
8386 (int_log2): Use HOST_UINT.
8387 (arm_poke_function_name): Use HOST_UINT.
8388 (arm_output_epilogue): Use arm_volatile_func().
8389 (output_thumb_prologue): Use arm_strip_name_encoding().
8391 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8393 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8394 of sequence point problems.
8396 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8398 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8400 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8402 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8404 * sbitmap.h: Whitespace changes and use upper-case macro args.
8405 (struct simple_bitmap_def): All sizes now unsigned.
8406 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8407 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8408 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8409 (sbitmap_zero): Cast bzero arg to PTR.
8410 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8411 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8412 loop to make structure clearer.
8413 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8414 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8415 (sbitmap_a_and_b_or_c): Likewise.
8416 (sbitmap_intersection_of_succs): Minor cleanups.
8417 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8418 (sbitmap_union_of_preds): Likewise.
8419 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8420 (debug_sbitmap): New function.
8422 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8423 * c-typeck.c (convert_for_assignment): Likewise.
8425 * expmed.c (init_expmed): Don't free objects we make.
8426 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8428 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8429 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8431 * gcse.c (expr_hash_table_size): Now unsigned.
8432 (compute_ae_gen): Local variable `i' now unsigned.
8433 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8434 (compute_transout, hoist_code): Likewise.
8435 (compute_local_properties): Likewise, also hash_table_size.
8436 (alloc_expr_hash_table): N_INSNS now unsigned.
8437 (delete_null_pointer_checks): Mark arg F as unused.
8439 * regrename.c: Minor cleanups, including chang some variables
8442 2000-04-10 Neil Booth <NeilB@earthling.net>
8444 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8446 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8448 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8450 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8451 __classof__, and __headof__ from the list of gnu keywords.
8452 (-ansi): Remove -foperator-names from list of implied options.
8453 Do not call it ANSI C++.
8454 (-foperator-names): Document as -fno-operator-names.
8456 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8458 * cpphash.c (timestamp): Delete.
8459 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8460 (special_symbol): Remove unnecessary braces. Remove
8461 T_VERSION. Treat T_STDC like T_CONST unless
8462 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8463 when one is encountered, then convert them into T_MCONST
8465 * cppinit.c (builtin_array): version_string is T_MCONST.
8466 __STDC__ has a "1" in its cpval. Don't have a terminator
8467 entry. Clean up which entries are dumped.
8468 (initialize_builtins): Only __STDC__ gets the special
8469 -traditional treatment. Count the length of builtin_array.
8470 Render version_string here.
8471 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8472 * cpplib.h (struct cpp_reader): Remove timebuf.
8474 2000-04-09 Richard Henderson <rth@cygnus.com>
8476 * genrecog.c (pred): Update comparison_operator for the unordered
8479 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8481 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8482 (uno_comparison_operator): New.
8483 (put_condition_code): Handle UNORDERED/ORDERED.
8484 (unsigned_comparison): Likewise.
8485 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8486 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8487 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8488 update all callers. Handle all 8 unordered operators.
8489 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8490 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8491 * config/i386/i386.h (PREDICATE_CODES): Update.
8492 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8493 (ix86_expand_branch, ix86_expand_setcc): Update.
8494 * config/i386/i386.md (sunordered, sordered): New.
8495 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8496 (bunordered, bordered): New.
8497 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8498 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8499 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8501 2000-04-09 Philip Blundell <philb@gnu.org>
8503 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8505 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8507 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8508 fix_truncxfhi2): New patterns.
8509 * i386.c (output_fix_trunc): Handle converting to HImode.
8511 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8513 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8515 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8516 (for_each_successor_phi): Change parameter to basic_block.
8517 (coalesce_regs_in_successor_phi_nodes): Likewise.
8518 (coalesce_regs_in_copies): Likewise.
8519 (compute_coalesced_reg_partition): Use basic_block instead of index.
8520 * rtl.h (convert_to_ssa): Delete.
8521 (convert_from_ssa): Likewise.
8522 (successor_phi_fn): Likewise.
8523 (for_each_successor_phi): Likewise.
8524 (in_ssa_form): Likewise.
8525 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8526 (convert_from_ssa): Likewise.
8527 (successor_phi_fn): Likewise.
8528 (in_ssa_form): Likewise.
8529 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8530 * flow.c (calculate_global_regs_live): Pass a basic_block to
8531 for_each_successor_phi.
8533 2000-04-08 Richard Henderson <rth@cygnus.com>
8535 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8536 was modified in the current insn.
8538 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8540 * arm/thumb.md: Delete.
8541 * arm/thumb-protos.h: Delete.
8543 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8545 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8547 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8549 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8552 * arm.md (nop): Use the standard RTL expression. Don't code as a
8554 (*arm_nop, *thumb_nop): Delete.
8556 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8557 constants. Use casts instead.
8558 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8559 output_multi_immediate, arm_poke_function_name): Likewise.
8560 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8561 MASK_RETURN_ADDDR): Likewise.
8563 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8565 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8568 * arm.md (eh_epilogue): New function.
8569 * arm.h (struct machine_function): Move to here ...
8570 * arm.c: ... from here.
8571 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8572 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8573 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8575 2000-03-30 Nick Clifton <nickc@cygnus.com>
8577 * config/arm/semi.h (ASM_SPEC): Restore definition.
8578 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8580 * config/arm/elf.h (ASM_SPEC): Restore definition.
8581 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8583 * config/arm/arm.h (ASM_SPEC): Remove definition.
8584 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8586 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8588 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8590 2000-03-24 Nick Clifton <nickc@cygnus.com>
8592 Various formating tidyups, elimination of compile time
8593 warnings and synchronisation with internal sources:
8595 * config/arm/arm-protos.h (assemble_align): Add prototype.
8596 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8597 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8598 (arm_return_addr_rtx): Rename to arm_return_addr.
8600 * config/arm/arm.c: Include except.h.
8601 Define shorter typenames for strict minipool_node and struct
8603 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8605 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8606 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8608 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8610 (ASM_SPEC): Define if not already defined.
8611 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8613 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8614 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8615 arm_gen_compare_reg.
8616 (indirect_jump): Only accept register operands.
8617 (load_indirect_jump): Keep this pattern since combine can generate
8620 * config/arm/coff.h: Include aout.h.
8621 (MULTILIB_DEFAULTS): Only define if not already defined.
8623 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8624 into arm.h (so that COFF ports can support thumb based aliases).
8625 (ASM_SPEC): Move definition into arm.h
8627 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8628 redundant apcs spec.
8629 (ASM_SPEC): Move definition to arm.h
8631 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8633 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8634 for entries in the .bss section
8636 2000-03-23 Nick Clifton <nickc@cygnus.com>
8638 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8639 to thumb_far_jump_used_p.
8641 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8642 single integer parameter.
8644 * config/arm/arm.c (struct machine_function): Add two new
8645 fields, 'far_jump_used' and 'arg_pointer_live'.
8646 (thumb_far_jump_used_p): Once the decision has been made that
8647 far jumps might be used, always return true.
8648 If being called from the initial elimination offset macro then
8649 do not bother to perform the test if the arg pointer is not
8651 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8652 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8654 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8656 * arm.c (output_return_instruction): Handle more cases where we can
8657 return from a function with an ldr instruction.
8658 (arm_output_epilogue): Likewise.
8660 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8661 if we need to push a large stack frame and there are no callee-saved
8664 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8665 in ARM code if the frame pointer has been eliminated.
8667 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8668 unspec_volatile arguments to avoid duplicates.
8669 (consttable_1, consttable_2): Fixes for big-endian mode.
8671 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8674 Re-write constant pool code.
8675 * arm.c (minipool_node, minipool_fix): New types.
8676 (minifix): Delete type.
8677 (arm_add_minipool_constant): Delete.
8678 (arm_compute_minipool_offsets, arm_find_barrier,
8679 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8680 (get_jump_table_size): Now returns HOST_WIDE_INT.
8681 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8683 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8684 (assign_minipool_offsets, arm_print_value): Likewise.
8685 (dump_minipool): Rewrite.
8686 (arm_barrier_cost): New function.
8687 (create_fix_barrier): New function.
8688 (push_minipool_barrier): New function.
8689 (push_minipool_fix): Record additional information about the fixup
8691 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8692 check the mode of what needs fixing.
8693 (arm_reorg): Rewrite.
8695 2000-03-08 Nick Clifton <nickc@cygnus.com>
8697 * config/arm/arm.md (indirect_jump): Force constant addresses into
8700 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8702 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8704 2000-02-24 Nick Clifton <nickc@cygnus.com>
8706 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8707 adjust is word aligned.
8708 (thumb_expand_epilogue): Make sure that stack adjust is word
8711 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8713 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8715 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8716 pointer relative addresses.
8718 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8720 * arm.c (find_barrier): Find the last barrier within the allowed
8723 2000-02-09 Nick Clifton <nickc@cygnus.com>
8725 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8727 2000-02-09 Nick Clifton <nickc@cygnus.com>
8729 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8730 ARM_FUNCTION_PROFILER.
8732 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8733 ARM_FUNCTION_PROFILER.
8735 * config/arm/linux-oldld.h: Imported from mainline sources.
8737 2000-02-07 Nick Clifton <nickc@cygnus.com>
8739 * config/arm/lib1funcs.asm: Merge in thumb functions from
8742 * config/arm/lib1thumb.asm: Delete.
8744 2000-02-04 Nick Clifton <nickc@cygnus.com>
8746 * config/arm/arm.c: Sychronised with current Red hat local
8748 * config/arm/arm.h: Ditto.
8749 * config/arm/arm-protos.h: Ditto.
8751 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8753 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8755 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8758 2000-02-02 Nick Clifton <nickc@cygnus.com>
8760 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8762 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8763 (return) was emited using an emit_insn() call.
8765 2000-01-31 Nick Clifton <nickc@cygnus.com>
8767 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8769 (thumb_exit): Move frame pointer back into hard frame pointer
8770 register if backtracing is being used.
8772 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8774 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8777 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8779 * config/arm/arm.md (neg_pool_offset): Provide default for new
8781 (arm_movsi_insn): Add neg_pool_offset attribute.
8782 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8783 rtx for the insn that starts the scan and an unsigned long for its
8784 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8785 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8786 instructions in *PINSERTED.
8787 (struct minipool_fixup): Add MIN_ADDRESS elt.
8788 (sort_fixups): Compute it.
8789 (arm_reorg): Changes to support inserting pools before the insn to be
8792 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8794 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8795 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8796 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8798 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8800 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8802 (TARGET_DEFAULT): Do not define if already defined.
8804 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8806 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8807 (iordi3): Allow disjoint source operands.
8808 (xordi3): Allow disjoint source operands.
8809 (negdi2): Permit construction for ARM and Thumb.
8810 (arm_negdi2): Renamed version of old negdi2 pattern.
8811 (thumb_negdi2): New pattern: Only permit non-overlapping
8812 source and destination.
8814 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8816 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8817 scratch low register so that it will not be deleted.
8819 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8821 * config/arm/pe.h (ARM_PE): Define.
8823 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8824 interfacearm attribute if this is a PE toolchain.
8825 (output_return_instruction): Do not emit anything if the function
8826 has the naked attribute set.
8827 (is_called_in_ARM_mode): If the function has the interfacearm
8828 attribute then return true.
8829 (thumb_expand_prologue): Do not generate a prologue for naked
8831 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8833 (output_thumb_prologue): Do not bother if the function is naked.
8834 Strip PE encoding from function name before emitting.
8836 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8838 * arm.md (pic_load_addr): Fix constraints.
8840 * arm.md (casesi_insn): Fix mis-applied patch.
8842 * arm.md ("core" function unit): Add rules for single- and
8844 (All TARGET_THUMB patterns): Add "type" attribute information
8846 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8847 the following insn is a CALL.
8849 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8851 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8852 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8853 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8855 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8857 * config/arm/linux-gas.h: oops - this file was missed out when the
8858 branch was created...
8860 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8862 * thumb.c: Deleted. Move contents to ...
8864 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8866 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8869 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8870 declare a prototype for asm_output_align();
8872 * arm.c (thumb_condition_code): Delete.
8873 (arm_print_operand): Always use arm_condition_code array.
8875 * arm.c (thumb_return_addr_rtx): Delete.
8876 (arm_save_machine_status, arm_restore_machine_status): Delete.
8877 (arm_init_machine_status, arm_mark_machine_status): New functions.
8878 (arm_init_expanders): Update accordingly.
8879 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8880 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8881 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8883 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8885 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8887 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8890 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8892 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8893 stack backtrace structure.
8895 * config/arm/arm-protos.h: Add prototypes for functions defined in
8898 * config/arm/arm.c (arm_override_options): Fix selection of
8899 attributes of default processor.
8901 * config/arm/coff.h: Delete needless #include.
8903 * config/arm/pe.c: Delete unused code.
8905 * config/arm/pe.h (CPP_DEFINES): Delete
8906 (SUBTARGET_CPP_SPEC): Define.
8907 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8909 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8911 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8913 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8915 (CAN_DEBUG_WITHOUT_FP): Define.
8916 (FIXED_REGISTERS): Make r11 call-saved.
8917 (CALL_USED_REGISTERS): Likewise.
8918 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8919 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8920 frame-pointer is required.
8921 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8922 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8923 if the target normally needs a stack frame in non-leaf functions.
8924 (use_return_insn): Correct logic for determining when a return
8925 instruction can be used.
8926 (output_return_instruction): Handle the frame-pointer register as
8927 a normal register when not TARGET_APCS_FRAME.
8928 (arm_output_prologue): Likewise.
8929 (arm_output_epilogue): Likewise.
8930 (output_func_epilogue): Likewise.
8931 (arm_expand_prologue): Likewise.
8932 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8934 * arm.c (use_return_insn): No need to check floating point regs if
8936 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8937 the code of value stored in the minipool array.
8938 (arm_add_minipool_constant): Likewise.
8940 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8942 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8944 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8946 * tree.c (tree_expr_nonnegative_p): New function.
8948 * tree.h (tree_expr_nonnegative_p): Declare.
8950 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8951 elide some sign_compare warnings.
8952 (build_conditional_expr): Likewise.
8954 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8956 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8958 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8959 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8960 operand. Abort if a 387 operand has an unsupported size.
8962 2000-04-08 Neil Booth <NeilB@earthling.net>
8964 * cppexp.c (parse_charconst): Null does not end character
8966 * cppinit.c (ISTABLE): Null character handled as whitespace.
8967 * cpplex.c (null_warning): new function.
8968 (skip_string): Emit warning if nulls encountered.
8969 (_cpp_skip_hspace): Emit warning if nulls encountered.
8970 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8974 2000-04-07 Richard Henderson <rth@cygnus.com>
8976 * flow.c (loop_depth): Remove.
8977 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8978 (struct propagate_block_info): New.
8979 (life_analysis): Don't allocate reg_next_use.
8980 (propagate_block_delete_insn): Break out of propagate_block.
8981 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8982 (propagate_block_delete_libcall): Likewise.
8983 (propagate_block): Create a propagate_block_info struct to pass
8984 to subroutines. Allocate one not two temporary regsets. Don't
8985 clobber memory for const calls. Look for clobbers in
8986 CALL_INSN_FUNCTION_USAGE.
8987 (mark_set_regs): Recognize COND_EXEC.
8988 (mark_set_reg): Break out of mark_set_1.
8989 (mark_used_reg): Break out of mark_used_regs.
8990 (mark_used_regs): Recognize COND_EXEC.
8991 (insn_dead_p): Use propagate_block_info struct.
8992 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8993 (find_auto_inc, try_pre_increment_1): Likewise.
8994 (print_rtl_with_bb): Dump regs live at end too.
8995 (count_reg_sets_1): Pass in loop_depth.
8996 (count_reg_sets, count_reg_references): Likewise.
8997 (recompute_reg_usage): Provide it.
8999 2000-04-07 Richard Henderson <rth@cygnus.com>
9001 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9004 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9006 * cpplib.c (do_elif): Skip the rest of the line if we're
9007 not going to bother evaluating it.
9008 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9009 to avoid pointless calls to the lexer.
9011 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9013 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9015 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9017 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9019 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9021 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9023 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9025 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9026 crtend so they can be multilibbed.
9027 (STAGESTUFF): Remove s-crt and s-crtS.
9029 2000-04-07 Richard Henderson <rth@cygnus.com>
9031 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9032 if we discover we need a pseudo and no_new_pseudos is true.
9033 * config/alpha/alpha.md (ne:DI insn): New.
9034 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9036 2000-04-07 Richard Henderson <rth@cygnus.com>
9038 * rtl.def (COND_EXEC): New.
9039 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9040 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9042 * genconfig.c (have_cond_arith_flag): Remove.
9043 (have_cond_exec_flag): New.
9044 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9045 (main): Print HAVE_conditional_execution.
9047 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9048 (sched_analyze_insn, print_pattern): Likewise.
9049 * reload.c (find_equiv_reg): Likewise.
9050 * rtlanal.c (reg_referenced_p): Likewise.
9051 (note_stores, dead_or_set_regno_p): Likewise.
9052 (reg_overlap_mentioned_p): Rewrite to use a switch.
9054 * ggc.h (struct rtx_def): Forward declare.
9056 * print-rtl.c (debug_rtx_range): New.
9057 * rtl.h (debug_rtx_range): Declare.
9059 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9061 * gcse.c (gcse_main): Don't rebuild the CFG here.
9062 (delete_null_pointer_checks): Likewise.
9063 * ssa.c (convert_to_ssa): Likewise.
9064 * toplev.c (rest_of_compilation): Do it here instead. Combine
9065 sequential calls to TIMEVAR. Consistently use `insns' instead of
9066 `get_insns()'. Always split insns after reload when optimizing.
9068 * basic-block.h (merge_blocks_nomove): Declare.
9069 (tidy_fallthru_edge): Declare.
9070 * flow.c (merge_blocks_nomove): Document as merging into previous
9071 blocks. Remove cruft from between blocks; remove all edges out of A.
9072 (tidy_fallthru_edge): Export.
9074 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9076 * ssa.c (compute_conservative_reg_partition): Declare with
9078 * toplev.c (clean_dump_file): Remove previously-deleted function
9079 inadvertantly merged back in.
9080 * conflict.c (conflict_graph_add): Use a single call to
9081 htab_find_slot to look up and insert.
9083 2000-04-06 Richard Henderson <rth@cygnus.com>
9085 * genrecog.c (*): Rename _last_insn to last_insn.
9086 (make_insn_sequence): Set the position of the peephole2 C test
9087 to be at the last insn.
9089 2000-04-06 Richard Henderson <rth@cygnus.com>
9091 * flow.c (compute_flow_dominators): Free worklist.
9093 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9095 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9097 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9099 * rtl.h (INSN_P): New macro.
9100 (successor_phi_fn): New typedef.
9101 (for_each_successor_phi): New prototype.
9102 (in_ssa_form): New variable.
9103 (PHI_NODE_P): Likewise.
9104 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9105 phi nodes in successors.
9106 (mark_used_regs): Add PHI case.
9107 (set_phi_alternative_reg): New function.
9108 (life_analysis): Assert that dead code elimination is not selected
9110 * toplev.c (to_ssa_time): New variable.
9111 (from_ssa_time): Likewise.
9112 (compile_file): Zero to_ssa_time and from_ssa_time.
9113 Print time to convert to and from SSA.
9114 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9115 (print_time): Compute percent fraction as integer.
9116 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9117 (convert_to_ssa): Check if we're already in SSA.
9118 Don't eliminate dead code in life_analysis.
9119 Rerun flow and life analysis at bottom.
9120 (eliminate_phi): Use canonical regnos when adding nodes.
9121 (mark_reg_in_phi): New function.
9122 (mark_phi_and_copy_regs): Likewise.
9123 (convert_from_ssa): Rerun life analysis at top.
9124 Use coalesced partition.
9125 Check for removing a phi node at the end of the block.
9126 (compute_coalesced_reg_partition): New function.
9127 (coalesce_regs_in_copies): Likewise.
9128 (coalesce_reg_in_phi): Likewise.
9129 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9130 (for_each_successor_phi): Likewise.
9131 (rename_context): New struct.
9132 (rename_block): Use a rename_context with rename_insn_1. When
9133 renaming sets of a subreg, emit a copy of the entire reg first.
9134 (rename_insn_1): Treat data as a rename_context *. Save current
9136 (rename_set_data): Add field set_insn.
9137 * Makefile.in (HASHTAB_H): Move up in file.
9138 (OBSTACK_H): New macro.
9139 (collect2.o): Use OBSTACK_H in dependencies.
9140 (sdbout.o): Likewise.
9141 (emit-rtl.o): Likewise.
9142 (simplify-rtx.o): Likewise.
9143 (fix-header.o): Likewise.
9144 (OBJS): Add conflict.o.
9145 (conflict.o): New rule.
9146 * basic-block.h: Include partition.h.
9147 (conflict_graph): New typedef.
9148 (conflict_graph_enum_fn): Likewise.
9149 (conflict_graph_new): New prototype.
9150 (conflict_graph_delete): Likewise.
9151 (conflict_graph_add): Likewise.
9152 (conflict_graph_conflict_p): Likewise.
9153 (conflict_graph_enum): Likewise.
9154 (conflict_graph_merge_regs): Likewise.
9155 (conflict_graph_print): Likewise.
9156 (conflict_graph_compute): Likewise.
9157 * conflict.c: New file.
9159 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9161 * tlink.c (read_repo_files): Don't look for .rpo info for
9164 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9166 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9168 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9170 * config/sh/lib1funcs.asm (___udivsi3_i4):
9171 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9172 only depends on FMOVD_WORKS.
9174 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9176 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9177 make double constant 8-byte aligned.
9179 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9181 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9182 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9183 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9184 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9185 Accept storing GENERAL_REGS into offsetable memory.
9186 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9187 building a TFmode constant other than 0.0L into GENERAL_REGS.
9189 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9191 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9193 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9195 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9196 (macro_cleanup): No need to cast pbuf->macro.
9197 (collect_expansion): Use _cpp_get_define_token. Goto done if
9198 it returns VSPACE. Remove check for trailing space after
9200 (_cpp_create_definition): Don't diddle flags here. Return
9202 (unsafe_chars): Handle c1 being EOF.
9203 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9204 checks. Don't push the buffer till after we're done with
9206 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9207 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9208 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9210 (_cpp_parse_assertion): Don't NUL terminate.
9211 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9212 hspace before calling _cpp_parse_assertion. Remove all sets
9213 of only_seen_white. Treat '\f' as hspace. Don't do anything
9214 special with '\n' here.
9215 (maybe_macroexpand): Handle T_EMPTY hash entries without
9216 pushing a buffer at all.
9217 (cpp_get_token): Handle clearing only_seen_white here. Handle
9218 incrementing the line number here. Clear
9219 potential_control_macro as well as only_seen_white, if
9221 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9222 (_cpp_get_define_token): New function, basically like
9223 _cpp_get_directive_token was but doesn't eat horizontal space.
9224 Don't do anything with only_seen_white here.
9225 (_cpp_get_directive_token): Just call _cpp_get_define_token
9226 repeatedly till it returns non-hspace.
9228 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9229 (conditional_skip, skip_if_group): Return int.
9230 (DIRECTIVE_TABLE): Change origin of all conditional directives
9232 (TRAD_DIRECT_P): New macro.
9233 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9234 an error for a bogus directive, unless -lang-asm. Use
9235 TRAD_DIRECT_P. Loop calling handler functions till one returns
9237 (get_macro_name): Don't diddle flags here.
9238 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9239 Create T_EMPTY nodes for #define macro /* nothing */.
9240 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9241 Use hp->name when calling pass_thru_directive.
9242 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9243 Return the result of conditional_skip and/or skip_if_group.
9244 Don't call _cpp_output_line_command.
9245 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9246 Issue -Wtraditional warnings as appropriate. Don't complain
9247 about unrecognized directives. If we are to stop skipping,
9248 return the number of the directive that ended the skip.
9249 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9250 expansion and line commands while skipping. Return the result
9251 of consider_directive_while_skipping, if nonzero.
9252 (do_endif): Just set potential_control_macro here.
9253 (validate_else): Use _cpp_get_directive_token.
9254 (do_assert, do_unassert): Don't save pointers into the
9255 token_buffer across calls to the lexer. Use
9256 _cpp_get_directive_token.
9258 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9259 pointer, not an offset. Replace 'data', which was a generic
9260 pointer, with 'macro', which points to a struct hashnode.
9261 (cpp_reader): Add 'potential_control_macro' pointer.
9262 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9263 (CPP_BUF_GET, CPP_FORWARD): Delete.
9264 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9265 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9266 ACTIVE_MARK_P): Update.
9267 (_cpp_get_define_token): New internal function.
9268 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9270 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9272 * configure.in: And here.
9273 * configure: Regenerate.
9274 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9275 --enable-libstdcxx-v3 is passed at configure time.
9276 * config.h.in: Regenerate.
9278 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9280 * final.c (final): Use xcalloc to allocate line_note_exists.
9281 * function.c (free_after_compilation): Free the temp_slots.
9282 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9283 (combine_temp_slot): Free temp_slots when they get combined.
9284 (purge_addressof): Fix typo in comment.
9285 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9286 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9288 * ggc.h: Include varray.h.
9289 (ggc_pending_trees): Declare.
9290 (ggc_mark_tree_children): Remove declaration.
9291 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9292 * ggc-common.c (ggc_pending_trees): New variable.
9293 (ggc_mark_roots): Call ggc_mark_trees.
9294 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9295 the ggc_pending_trees.
9296 * Makefile.in (GGC_H): New variable. Use it throughout in place
9299 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9301 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9304 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9306 * sh.c (sh_insn_length_adjustment): New function.
9307 * sh-protos.h (sh_insn_length_adjustment): Declare.
9308 * sh.h (ADJUST_INSN_LENGTH): Use it.
9310 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9312 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9313 from the insn where REG_RETVAL is added.
9314 (emit_no_conflict_block): Ditto.
9316 * md.texi (Standard Names): Clarify when movX is needed.
9318 * combine.c (simplify_comparison) [MINUS]: Do not replace
9319 all (op (minus A B) 0) with (op A B).
9321 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9322 J"orn Rennecke <amylaar@cygnus.co.uk>
9324 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9325 (block_lump_real): Likewise.
9327 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9329 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9330 remaining non-zero debugging masks.
9332 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9334 * basic-block.h (verify_flow_info): Declare.
9335 (flow_loop_outside_edge_p): Declare.
9336 * flow.c (verify_flow_info): Remove declaration.
9337 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9339 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9341 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9344 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9346 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9347 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9348 seqdi_zero_trunc+1): Allow splits only if registers are
9351 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9353 * acconfig.h: Add HAVE_GAS_HIDDEN.
9354 * config.in: Regenerated.
9355 * configure.in: Add test for .hidden pseudo-op in gas.
9356 * configure: Regenerated.
9357 * crtstuff.c: Include auto-host.h.
9358 Emit additional .hidden pseudo-op for __dso_handle if the
9359 assembler knows about it.
9361 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9363 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9364 before freeing argnames.
9365 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9367 2000-04-05 Michael Meissner <meissner@redhat.com>
9369 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9370 Walton <jonboy@gordian.com> to make memory references with update
9371 work wtih -mregnames.
9373 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9375 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9376 (regrename_optimize): Rename variables `def_uses' and
9377 `ext_basic_blocks' to avoid conflicts with similarly named
9378 typedefs in traditional C.
9380 * calls.c (initialize_argument_information): Fix typo in previous
9383 2000-04-04 Richard Henderson <rth@cygnus.com>
9385 * regrename.c (consider_available): Test fixed_regs not
9386 PIC_OFFSET_TABLE_REGNUM.
9388 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9390 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9392 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9393 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9394 (ENDFILE_LINUX_SPEC): Always use crtend.
9395 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9396 (powerpc-*-linux-gnu): Likewise.
9397 * configure: Regenerate.
9399 * config/rs6000/eabi.h: Don't include sysv4.h.
9400 (MULTILIB_DEFAULTS): Don't define.
9401 * config/rs6000/eabiaix.h: Don't include eabi.h.
9402 * config/rs6000/eabile.h: Delete.
9403 * config/rs6000/eabilesim.h: Delete.
9404 * config/rs6000/eabisim.h: Don't include eabi.h.
9405 * config/rs6000/linux.h: Don't include sysv4.h.
9406 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9407 (MULTILIB_DEFAULTS): Don't redefine.
9408 * config/rs6000/rtems.h: Don't include eabi.h.
9409 * config/rs6000/sol2.h: Don't include sysv4le.h.
9410 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9411 * config/rs6000/t-ppc: Delete.
9412 * config/rs6000/t-ppcgas: Correct comment.
9413 * config/rs6000/t-ppcos: Correct comment. Don't build
9414 multilibs for -fPIC, rather use -fPIC -mstrict-align
9416 * config/rs6000/t-ppc: Delete.
9417 * config/rs6000/vxppc.h: Don't include sysv4.h.
9418 * config/rs6000/vxppcle.h: Delete.
9419 * configure.in: Use multiple header files for p2pc ELF targets
9420 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9421 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9422 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9423 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9424 always available for these platforms.
9426 2000-04-04 Richard Henderson <rth@cygnus.com>
9428 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9430 2000-04-04 Stan Cox <scox@cygnus.com>
9432 * Makefile.in: Add rules for regrename.o
9433 * regrename.c: New file.
9434 * rtl.h (regrename_optimize): Add prototype.
9435 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9436 (compile_file, decode_d_option): Add support for -frename-registers.
9437 (rest_of_compilation): Call regrename_optimize.
9438 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9441 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9443 * Makefile (gccbug): New target.
9444 (doc): Depend on it.
9445 * gcc.texi (Bugs): Link subnodes.
9447 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9448 Document severities, priorities, and classes in bug form.
9450 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9452 * cpplex.c (trigraph_map, speccase): Combine into single
9454 (NORMAL, NONTRI): New macros.
9455 (_cpp_read_and_prescan): Change to use unified table. Use
9456 is_hspace to test for whitespace.
9458 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9459 definition that doesn't provoke the "empty body in an
9460 if-statement" warning.
9462 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9464 * builtins.c (expand_builtin_strlen): Force the source to
9465 be a memory address.
9467 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9469 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9471 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9473 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9474 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9475 (ECF_IS_CONST): Rename to ECF_CONST.
9476 (special_function_p): Make static, change interface.
9477 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9478 (expand_call) ... here; convert number of variables to flags.
9479 (emit_library_call_vlue_1): Likewise.
9480 (setjmp_call_p): New function.
9481 (initialize_argument_information): Accepts flags as argument;
9483 (precompute_arguments): Likewise.
9484 * tree.h (special_function_p): Remove.
9485 (setjmp_call_p): Add prototype.
9487 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9489 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9490 so that addresses are offsetable by up to 16 bytes.
9491 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9492 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9495 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9496 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9497 (movsf): Don't force any constant to memory if target is integer
9499 Move fp_zero_operand check below the const0_rtx check.
9500 (movtf): Likewise. Also allow fp_zero_operand for stores into
9502 (movdf): Likewise. Also allow fp_zero_operand for stores into
9503 memory and into integer hard registers.
9504 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9505 movdf_const_intreg_sp64): Remove.
9506 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9508 (movdf_no_e_insn_v9_sp32): New pattern.
9509 (movdf_insn_v9only): Remove.
9510 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9511 (movdf_insn_sp64): Remove.
9512 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9513 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9514 (following splits): Rewrite conditions. Add two new splits
9515 for storing 0.0 into memory and registers.
9516 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9517 (movtf_insn_sp32): Redo constraints and conditions.
9518 (movtf_insn_vis_sp32): New pattern.
9519 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9520 (movtf_insn_hq_sp64): Likewise.
9521 (movtf_insn_hq_vis_sp64): New pattern.
9522 (movtf_insn_sp64): Redo constraints and conditions.
9523 (movtf_insn_vis_sp64): New pattern.
9524 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9525 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9527 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9528 -mvis or -m64 to take down the number of various reload patterns.
9530 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9532 * pa/pa-64.h: New file.
9533 * pa/pa64-regs.h: New file.
9534 * pa/pa64-start.h: New file.
9535 * pa/t-pa64: New file.
9536 * pa/xm-pa64hpux.h: New file.
9538 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9540 * sparc.c (output_restore_regs): Prototype.
9541 (sparc_emit_float_lib_cmp): Constification.
9543 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9545 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9548 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9549 (get_value_hash, hash_rtx): Likewise.
9551 * ssa.c (compute_conservative_reg_partition): Prototype.
9553 * tree.c (mark_hash_entry): Prototype.
9555 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9557 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9558 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9559 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9561 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9562 * objc/lang-specs.h: Likewise.
9564 2000-04-03 Neil Booth <NeilB@earthling.net>
9566 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9567 and SYNTAX_ERROR2. Replace `' in messages with ''.
9568 (op_to_str): Make re-entrant.
9569 (_cpp_parse_expr): Implement new error macros. Use | rather
9570 than || to logically or 2 boolean integers. Simply expression
9571 checking we have a left operand iff needed.
9573 2000-04-03 Nick Clifton <nickc@cygnus.com>
9575 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9577 2000-04-03 Philip Blundell <philb@gnu.org>
9579 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9581 2000-04-03 Felix Lee <flee@cygnus.com>
9583 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9584 (run_shell): Use it.
9586 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9588 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9589 (stmp-fixproto): ...rather than here.
9591 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9593 * pa.c (print_operand): Compute 'base' only inside the code paths
9596 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9598 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9601 2000-04-03 Philipp Thomas <pthomas@suse.de>
9603 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9605 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9607 * Makefile.in (alias.o): Depend on $(TREE_H).
9609 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9611 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9613 * cpplib.c (_cpp_handle_directive): Improve warnings for
9614 traditional C and indented directives.
9616 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9617 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9618 fixinc/inclhack.def: Indent the # of #include_next one space.
9619 * cp/rtti.c: Un-indent #if and #endif.
9621 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9622 syntax error, but an error has already been printed.
9623 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9624 message when called with nothing remaining on the line.
9625 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9626 OTHER token, not an ASSERTION.
9627 * cpplib.c (do_assert): When we create a 'base' node, clear
9628 its aschain pointer.
9630 2000-04-02 Neil Booth <NeilB@earthling.net>
9632 * cppexp.c: New typedef op_t. struct operation and struct
9633 token updated to use it.
9634 (op_to_str): New function.
9635 (_cpp_parse_expr): Error messages modified to use op_to_str.
9637 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9639 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9640 before checking MUST_PASS_IN_STACK.
9642 2000-04-02 Neil Booth <NeilB@earthling.net>
9644 * cppexp.c: New FINISHED dummy token. Combine operator initial
9645 flags and initial priority into a single constant. New
9646 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9647 (_parse_cpp_expr): Implement new constants. Take left operand
9648 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9649 parse indicated by reducing FINISHED token. Remove new lines
9650 from cpp_error messages.
9652 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9654 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9657 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9659 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9660 directive. Add origin values to DIRECTIVE_TABLE. Generate
9661 the strings and function names on the fly. Take the #sccs
9662 entry out of the table if SCCS_DIRECTIVE is not defined.
9663 (_cpp_handle_directive): Decide if the # was at the beginning
9664 of the line here. Issue -pedantic warnings for extended
9665 directives here. Warn about K+R directives with the #
9666 indented, and C89/extended directives with the # not indented,
9668 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9669 do_assert, do_unassert): Don't issue pedantic warning here.
9671 * cpphash.h: Add CPP_WTRADITIONAL macro.
9672 * cpplib.h (struct cpp_options): Rename warn_stringify to
9673 warn_traditional; update comments.
9674 * cppinit.c (handle_option): Set warn_traditional not
9676 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9677 CPP_WTRADITIONAL (pfile).
9678 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9679 be ignored in -traditional mode here.
9681 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9682 to initialize speccase[] and trigraph_map[]. Delete all
9683 references to pfile->input_speccase. Always treat '?' as a
9684 special character. Remove table-initialization code from
9685 _cpp_init_input_buffer.
9687 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9688 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9690 2000-04-01 Richard Henderson <rth@cygnus.com>
9692 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9693 (mostlyclean): Likewise.
9695 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9696 (struct dump_file_info, enum dump_file_index, dump_file): New.
9697 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9698 not a string. Clean out file if we havn't yet done so. Do nothing
9699 if the dump isn't enabled.
9700 (close_dump_file): Do nothing if the dump isn't open. Dump
9701 graph data if requested.
9702 (dump_rtl, clean_dump_file): Remove.
9703 (compile_file): Don't clean the dump files. Only finalize .bp dump
9704 if flag_test_coverage or flag_branch_probabilities. Only finalize
9705 .combine dump if optimizing. Iterate over dump_file to finalize the
9707 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9708 Convert all uses of dump_rtl.
9709 (decode_d_option): Iterate over dump_file to implement 'a' and to
9710 locate pass-specific dumps.
9712 2000-04-01 Neil Booth <NeilB@earthling.net>
9714 * cppexp.c: Redefine priority constants.
9715 (_cpp_parse_expr): Replace left and right priority scheme with
9716 single priority logic. Move LOGICAL to same place as COMPARE.
9717 Remove bogus check for multiple unary +/- operators.
9719 2000-04-01 Neil Booth <NeilB@earthling.net>
9721 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9722 within the switch statement. Binary operations break out of
9723 the switch naturally. '(' tokens handled by forcing
9724 immediate shift. ')' handled by forcing immediate reduce to
9725 the previous '('. New error messages.
9727 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9729 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9730 part', it's already in use. Use %K instead. Add a return at the
9731 end of what is now %K.
9732 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9734 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9736 * builtins.c (expand_builtin_apply): Pass proper parameters to
9737 allocate_dynamic_stack_space.
9738 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9739 update stack_pointer_delta; do not update arg_size_so_far.
9740 (compute_argument_block_size): Use stack_delta instead of
9741 stack_pointer_pending and arg_size_so_far.
9742 (expand_call): Add sanity checking for stack_pointer_delta;
9743 save and restore stack_pointer_delta for SIB, use
9744 stack_pointer_delta for alignment; do not update arg_space_so_far.
9745 (emit_library_call_value): Use stack_pointer_delta for alignment.
9746 (store_one_arg): Do not update arg_space_so_far.
9747 * explow.c (adjust_stack, anti_adjust_stack): Update
9748 stack_pointer_delta.
9749 (allocate_dynamic_stack_space): Add sanity checking for
9750 stack_pointer_delta.
9751 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9752 stack_pointer_delta.
9753 (emit_push_insn): Update stack_pointer_delta.
9754 * function.h (struct expr_status): Add x_stack_pointer_delta;
9755 remove x_arg_space_so_far.
9756 (arg_space_so_far): Remove.
9757 (stack_pointer_delta): New macro.
9759 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9761 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9762 Reorder struct cpp_options and struct cpp_reader for better
9763 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9764 takes two args. Change all 'char' flags to 'unsigned char'.
9765 Move show_column flag into struct cpp_options. Don't
9766 prototype cpp_options_init.
9767 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9768 cppinit.c, cpplex.c, cpplib.c:
9769 Replace CPP_OPTIONS (pfile)->whatever with
9770 CPP_OPTION (pfile, whatever), and likewise for
9771 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9773 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9774 Extract CPP_OPTION (pfile, pending) and work with that
9776 (cpp_options_init): Delete.
9777 (cpp_reader_init): Turn on on-by-default options here.
9778 Allocate the pending structure here.
9779 (cl_options, enum opt_code): Define these from the same table,
9780 kept in a large macro. Add -fshow-column and -fno-show-column
9783 * cpperror.c (v_message): If show_column is off, don't print
9786 * cppmain.c: Update for new interface.
9787 * fix-header.c: Likewise.
9789 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9791 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9793 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9794 are passed to any invocation of AR_FOR_TARGET.
9795 (AR_CREATE_FOR_TARGET): New macro.
9796 (AR_EXTRACT_FOR_TARGET): New macro.
9797 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9798 AR_EXTRACT_FOR_TARGET.
9799 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9800 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9801 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9802 AR_EXTRACT_FOR_TARGET to sub-makes.
9804 2000-03-31 Neil Booth <NeilB@earthling.net>
9806 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9808 (_cpp_parse_expr): Check for multiple unary +/- operators.
9809 Correct priorities of ':' and '?'. Treat ')' as having a
9810 value. Ensure conditional expression is not void.
9812 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9814 * alias.c (canon_rtx): Make it global.
9815 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9817 * cse.c (struct table_elt): Add canon_exp.
9819 (invalidate): Canonicalize expressions only once.
9820 * rtl.h (canon_rtx): Declare.
9822 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9824 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9825 * alias.c (reg_known_value): Add comments.
9826 (init_alias_analysis): Likewise.
9827 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9829 (cse_basic_block): Fix typo in comment.
9830 * emit-rtl.c: Include hashtab.h.
9831 (const_int_htab): New variable.
9832 (const_int_htab_hash): New function.
9833 (const_int_htab_eq): Likewise.
9834 (rtx_htab_mark_1): Likewise.
9835 (rtx_htab_mark): Likewise.
9836 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9837 (unshare_all_rtx): Fix formatting.
9838 (init_emit_once): Initialize const_int_htab.
9839 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9841 * rtl.texi: Document the fact that all CONST_INTs with the same
9844 2000-03-30 Richard Henderson <rth@cygnus.com>
9846 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9848 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9850 * configure.in: Comment out --enable-c-cpplib stanza.
9851 * configure: Regenerate.
9853 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9855 * expr.c (store_constructor): Properly compute displacement and
9856 alignment when offset is variable.
9858 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9859 cases of alignment in bytes.
9861 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9863 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9864 since it is used to generate c-parse.y.
9865 * objc-parse.c, objc-parse.y: Regenerated.
9867 * function.c (expand_function_end): Pass alignment argument to
9868 emit_block_move in bits, not bytes.
9870 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9872 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9875 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9877 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9878 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9879 * function.c (assign_parms): Likewise.
9880 * integrate.c (expand_inline_function): Likewise.
9881 * stmt.c (expand_decl): Likewise.
9882 (copy_rtx_and_substitute): Likewise.
9883 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9884 (clear_by_pieces): Fix error in last change.
9885 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9886 * function.h (regno_pointer_align): Now unsigned.
9887 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9889 * config/i386/i386.c (aligned_operand): Likewise.
9890 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9891 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9892 (unaligned_memory_operand): Likewise.
9893 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9894 Also make alignments and sizes unsigned and some whitespace cleanup.
9895 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9897 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9898 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9899 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9900 (expand_builtin_memset): Likewise, but to clear_storage.
9901 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9902 (restore_fixed_argument_area): Likewise.
9903 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9904 (load_register_parameters): Likewise, to emit_group_load.
9905 (expand_call): Likewise, to emit_group_store and emit_block_move.
9906 (emit_library_call_value_1): Likewise, to emit_block_move.
9907 (store_one_arg): Likewise, and to emit_push_insn.
9908 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9909 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9910 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9911 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9912 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9913 (expand_assigment, store_expr, store_constructor_field): Likewise.
9914 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9915 (store_constructor, store_field, get_inner_reference): Likewise.
9916 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9917 (expand_expr, case COMPONENT_REF): Likewise.
9918 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9919 and positions; reindent code.
9920 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9921 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9922 (assign_parms): Likewise to emit_group_store.
9923 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9924 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9925 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9926 (expand_return): Likewise to {extract,store}_bit_field.
9927 * stor-layout.c (get_mode_alignment): Minor cleanup.
9928 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9929 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9931 2000-03-29 Nick Clifton <nickc@cygnus.com>
9933 * config/arm/arm.h: Undo effects of previous delta:
9934 (ASM_SPEC): Do not define.
9935 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9937 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9940 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9942 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9943 only after reading in the primary source file.
9945 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9947 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9948 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9949 or a reference to a va_list.
9950 * builtins.c (stabilize_va_list): Simplify now we don't have to
9951 work around C array address decay.
9952 * c-typeck.c (convert_for_assignment): Handle assignment to
9953 a reference parameter by taking the address of the RHS.
9954 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9955 (va_copy): Likewise.
9956 (__va_copy): Likewise.
9957 * ginclude/varargs.h (va_start): Likewise.
9958 (__va_copy): Likewise.
9960 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9962 * i386/djgpp.h: Remove extraneous "+".
9964 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9966 * calls.c (expand_call): Fix typo in last change.
9968 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9970 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9973 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9975 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9976 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9977 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9978 * tree.c (bit_position, byte_position): Likewise.
9979 * tree.h: Declare new functions.
9981 2000-03-29 Nick Clifton <nickc@cygnus.com>
9983 * config/arm/arm.c: Minor formatting changes/
9984 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9986 (ASM_SPEC): Define if not already defined.
9988 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9990 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9993 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9995 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9996 value, don't output it as unsigned.
9998 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10000 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10002 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10004 * c-common.c (c_common_nodes_and_builtins): Don't special case
10005 cplus_mode when declaring builtin bzero/bcmp, always avoid
10006 prototype arguments.
10008 2000-03-29 Bruce Korb <bkorb@gnu.org>
10010 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10013 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10015 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10016 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10017 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10018 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10019 (save_fixed_argument_area, restore_fixed_argument_area):
10020 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10021 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10022 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10023 (precompute_register_parameters): Avoid #ifdefs on
10024 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10025 (stire_one_args): Likewise.
10026 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10027 (emit_library_call_value_1): Likewise.
10028 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10029 ACCUMULATE_OUTGOING_ARGS.
10030 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10032 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10033 (use_crosses_set_p): Likewise.
10034 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10035 #define ACCUMULATE_OUTGOING_ARGS 1.
10036 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10038 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10040 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10041 (TARGET_SWITCHES): Add push-args, no-push-args,
10042 accumulate-outgoing-args and no-accumulate-outgoing-args.
10043 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10044 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10045 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10047 (emit_push_insn): Likewise.
10048 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10049 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10050 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10051 (STACK_DYNAMIC_OFFSET): Define correctly for both
10052 ACCUMULATE_OUTGOING_ARGS and normal mode.
10053 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10054 * tm.texi (PUSH_ARGS): Document.
10055 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10057 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10059 * flags.h (flag_optimize_sibling_calls): Declare.
10060 * calls.c (expand_call): Fail sibcall when
10061 !flag_optimize_sibling_calls
10062 * invoke.texi (flag_optimize_sibling_calls): Document.
10063 * toplev.c (flag_optimize_sibling_calls): New global variable.
10064 (f_options): Add flag_optimize_sibling_calls.
10065 (rest_of_compilation): Conditionize
10066 optimize_sibling_and_tail_recursive_calls by
10067 flag_optimize_sibling_calls.
10068 (main): Set flag_optimize_sibling_calls for -O2.
10069 * stmt.c (expand_return): Conditionize tail recursion by
10070 flag_optimize_sibling_calls.
10072 2000-03-29 Richard Henderson <rth@cygnus.com>
10074 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10075 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10077 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10079 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10081 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10083 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10085 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10086 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10087 * config/rs6000/aix.h: then modified likewise.
10089 2000-03-28 Richard Henderson <rth@cygnus.com>
10091 * rtl.h: Redistribute enum reg_note documentation.
10092 Kill trailing whitespace.
10093 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10094 Kill trailing whitespace.
10096 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10098 * cppfiles.c (hash_IHASH): Just return i->hash.
10099 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10100 htab_find_with_hash.
10101 (cpp_read_file): Likewise.
10102 (find_include_file): Likewise. Properly initialize
10103 ih->nshort. Share ih->name and ih->nshort if possible.
10104 * cpphash.c (_cpp_calc_hash): New function.
10105 (hash_HASHNODE): Just return h->hash.
10106 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10107 htab_find_with_hash.
10108 * cpphash.h: Prototype _cpp_calc_hash.
10109 * cppinit.c (initialize_builtins): Provide a valid hash
10110 to _cpp_make_hashnode, using _cpp_calc_hash.
10112 * cpphash.c (collect_expansion): # is not a special character
10113 in object-like macros. In -traditional mode, /**/ is not
10114 token paste at the beginning or end of the line.
10115 * cpplib.c (do_include, do_import, do_include_next): If
10116 parse_include fails, return immediately.
10118 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10120 * config/arm/arm.md (return peepholes): Update to reflect the new
10121 call insn patterns.
10122 * config/arm/arm.c (arm_volatile_func): Also check
10123 current_function_nothrow.
10124 (output_return_instruction, output_func_prologue): Use it.
10125 (arm_output_epilogue, arm_expand_prologue): Likewise.
10127 2000-03-27 Tom Tromey <tromey@cygnus.com>
10129 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10132 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10134 * expr.c (store_constructor): SIZE now signed.
10135 For EXPR_SIZE, don't evaluate size; just needed if constant.
10136 * fold-const.c (fold): Fix a number of cases when folded tree is
10138 * function.c (flush_addressof): Reenable.
10139 * tree.h (flush_addressof): Likewise.
10140 * toplev.c (independent_decode_option): Look at strings_processed.
10141 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10143 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10145 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10146 Allow stack adjustment after function call.
10148 * regmove.c (struct csa_memlist): Make mem field rtx *.
10149 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10150 (try_apply_stack_adjustment): Replace whole MEM rtx.
10151 (combine_stack_adjustments_for_block): Update calls
10152 to record_one_stack_ref.
10154 2000-03-28 Neil Booth <NeilB@earthling.net>
10156 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10157 '\\' rather than a null character, so nulls are not special. Fix
10158 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10159 speed trigraph conversion.
10160 (_cpp_init_input_buffer): Initialize trigraph map.
10162 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10164 * config/i386/i386.c (output_387_binary_op): Correct intel
10165 mode assembly output, and add spaces after commas in AT&T
10166 output. Correct Unixware assembler comment. Document input
10167 constraints. Comment fp operations. Reduce profligate buffer
10168 size. Remove extraneous abort. Localize temp var.
10169 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10170 (output_fix_trunc): Add spaces after commas in assembly output.
10172 2000-03-27 Richard Henderson <rth@cygnus.com>
10174 * i386-protos.h (ix86_match_ccmode): Declare.
10175 * i386.c (ix86_match_ccmode): New.
10176 (ix86_expand_fp_compare): Update for pattern renames.
10177 (ix86_expand_strlensi_unroll_1): Likewise.
10178 * i386.h (EXTRA_CC_MODES): Add CCZ.
10179 (SELECT_CC_MODE): Use it for EQ/NE zero.
10180 * i386.md (cmpsi_ccz_1): New.
10181 (cmpqi_ccz_1): New.
10182 (*testsi_ccz_1): New.
10183 (testqi_ccz_1): New.
10184 (cmpsi_ccno_1): Rename from cmpsi_0.
10185 (testsi_ccno_1): Rename from testsi_1.
10186 (testqi_ccno_1): Rename from testqi_1.
10187 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10188 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10189 (*cmphi_0): Use ix86_match_ccmode.
10190 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10191 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10192 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10193 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10194 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10195 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10196 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10197 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10198 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10199 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10200 (appropriate peepholes): Likewise.
10201 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10202 (*subsi_3, *subhi_3, *subqi_3): Remove.
10203 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10204 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10205 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10206 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10207 (x86_shift_adj_1): Use CCZ.
10208 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10210 2000-03-27 Stan Cox <scox@cygnus.com>
10212 * resource.h (mark_resource_type): New.
10213 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10214 find_free_register): Use mark_resource_type.
10215 (mark_set_resources): Change include_delayed_effects
10216 to mark_resource_type.
10217 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10218 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10219 Use mark_resource_type.
10221 2000-03-27 Richard Henderson <rth@cygnus.com>
10223 * i386.md (call_pop_0, call_value_pop_0): New.
10224 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10225 (call_value_pop_1): Likewise.
10226 (call_0, call_value_0): New.
10227 (call_1, call_value_1): Remove constraint from unused arg.
10229 2000-03-27 Nick Clifton <nickc@cygnus.com>
10231 * invoke.texi (Spec Files): Document new spec % command created by
10232 Tom Tromey's recent patch.
10234 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10236 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10239 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10241 * expr.c (expand_assignment): Fix typo in last change.
10243 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10245 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10247 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10248 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10249 and DECL_INLINE if FUNCTION_DECL.
10250 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10251 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10252 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10253 (combine_parm_decls): Likewise.
10254 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10255 * print-tree.c (print_node): Likewise.
10256 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10257 DECL_TRANSPARENT_UNION on proper decl types.
10258 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10259 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10260 DECL_BIT_FIELD of FIELD_DECL.
10261 * tree.h (DECL_RESULT_FLD): New macro.
10263 * expr.c (expand_assignment): Add code to handle variable-sized
10266 2000-03-26 Richard Henderson <rth@cygnus.com>
10268 * calls.c (expand_call): Pass parms not original exp to
10269 optimize_tail_recursion. Mind return value instead of looking
10271 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10272 call_expr. Move checks for call_expr and current_function_decl ...
10273 (expand_return): ... here.
10275 2000-03-26 Tom Tromey <tromey@cygnus.com>
10277 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10278 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10280 (process_command): Use them.
10281 (check_live_switch): Likewise.
10282 (give_switch): Skip ignored switches.
10284 2000-03-26 Jan Hubicka <jh@suse.cz>
10286 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10287 for minimal jump pass test.
10289 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10291 * integrate.c (function_cannot_inline_p): Do inline functions that
10294 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10296 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10297 now a list of TREE_LIST entries, not types.
10298 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10300 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10301 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10303 * config/mips/mips.c (function_arg): Likewise; also remove cast
10304 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10305 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10306 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10307 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10308 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10309 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10310 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10311 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10312 num_adjusts now unsigned.
10313 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10314 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10315 NREGS now unsigned.
10316 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10317 as is BITPOS variable; use host_integerp and int_bit_position.
10318 (function_arg_record_value_2): Likewise.
10319 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10320 Variable REGNO now unsigned.
10321 (function_arg_record_value): NREGS now unsigned.
10323 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10325 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10327 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10329 * Rework fields used to describe positions of bitfields and
10330 modify sizes to be unsigned and use HOST_WIDE_INT.
10331 * alias.c (reg_known_value_size): Now unsigned.
10332 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10333 (really_start_incremental_init): Use bitsize_zero_node.
10334 (push_init_level, pop_init_level, output_init_element): Likewise.
10335 Use bitsize_unit_node and bitsize_one_node.
10336 (output_pending_init_elements, process_init_element): Likewise.
10337 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10338 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10339 HOST_WIDE_INT, respectively.
10340 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10341 (num_sign_bit_copies): Returns unsigned.
10342 BITWIDTH now unsigned; rework arithmetic.
10343 Remove recursive call from arg to MAX.
10344 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10345 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10346 REGNO now unsigned.
10347 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10348 (find_split_point, expand_compound_operation, make_extraction): LEN
10349 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10350 (make_field_assignment): Likewise.
10351 (combine_simplify_rtx): Add cast.
10352 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10353 (force_to_mode): WIDTH now unsigned; add cast.
10354 (if_then_else_cond): SIZE now unsigned.
10355 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10356 (extended_count): Now returns unsigned.
10357 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10358 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10359 (simplify_comparison): MODE_WIDTH now unsigned.
10360 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10361 (mark_used_regs_combine): Likewise; rework arithmetic.
10362 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10363 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10364 (record_promoted_value): REGNO now unsigned.
10365 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10366 (get_last_value): REGNO now unsigned.
10367 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10368 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10369 (remove_death): Arg REGNO now unsigned.
10370 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10371 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10373 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10374 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10375 (struct cse_reg_info): REGNO now unsigned.
10376 (cached_regno): Now unsigned.
10377 (REGNO_QTY_VALID_P): Add cast.
10378 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10379 (remove_invalid_regs): Likewise.
10380 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10381 as are variables END and I.
10382 (get_cse_reg_info, insert): Likewise.
10383 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10384 (canon_hash): Likewise.
10385 (insert_regs, lookup_for_remove): REGNO now unsigned.
10386 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10388 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10389 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10390 * emit-rtl.c (subreg_realpart_p): Add cast.
10391 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10392 (operand_subword_force): Arg I is now unsigned.
10393 * except.c (eh_regs): Variable I is now unsigned.
10394 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10395 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10396 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10397 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10398 (extract_split_bit_field, store_bit_field, extract_bit_field):
10400 * expr.c (store_constructor_fields, store_constructor, store_field):
10401 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10402 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10403 (do_jump): Likewise.
10404 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10405 MAX_SIZE is now unsigned.
10406 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10407 (emit_group_store): Likewise.
10408 (emit_move_insn): I now unsigned.
10409 (store_constructor): Use host_integerp, tree_low_cst, and
10411 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10412 Rework all calculations to use trees and new fields.
10413 * expr.h (promoted_input_arg): Regno now unsigned.
10414 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10415 (mark_seen_cases): Arg is HOST_WIDE_INT.
10416 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10417 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10418 precisions and alignments are unsigned.
10419 (optimize_bit_field_compare, fold_truthop): Likewise.
10420 (int_const_binop): Adjust threshold for size_int_type_wide call.
10421 (fold_convert): Likewise.
10422 (size_int_type_wide): Make table larger and fix thinko that only
10423 had half of table used.
10424 (all_ones_mask_p, fold): Precisions are unsigned.
10425 * function.c (put_reg_info_stack): REGNO is unsigned.
10426 (instantiate_decl): Size is HOST_WIDE_INT.
10427 (instantiate_virtual_regs): I is unsigned.
10428 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10429 (promoted_input_arg): REGNO is unsigned.
10430 * function.h (struct function): x_max_parm_reg is now unsigned.
10431 * gcse.c (max_gcse_regno): Now unsigned.
10432 (struct null_pointer_info): min_reg and max_reg now unsigned.
10433 (lookup_set, next_set): REGNO arg now unsigned.
10434 (compute_hash_table): REGNO and I now unsigned.
10435 (handle_avail_expr): regnum_for_replacing now unsigned.
10436 (cprop_insn): REGNO now unsigned.
10437 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10438 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10439 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10440 * hard-reg-set.h (reg_class_size): Now unsigned.
10441 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10442 * jump.c (mark_modified_reg): I now unsigned; add cast.
10443 (rtx_equal_for_thread_p): Add cast.
10444 * loop.c (max_reg_before_loop): Now unsigned.
10445 (struct_movable): REGNO now unsigned.
10446 (try_copy_prop): REGNO arg unsigned.
10447 (regs_match_p): XN and YN now unsigned.
10448 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10449 (strength_reduce): Likewise; NREGS also unsigned.
10450 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10451 * loop.h (struct iv_class): REGNO now unsigned.
10452 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10454 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10455 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10456 * optabs.c (expand_binop): I and NWORDS now unsigned.
10457 (expand_unop): I now unsigned.
10458 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10459 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10460 * real.c (significand_size): Now returns unsigned.
10461 * real.h (significand_size): Likewise.
10462 * regclass.c (reg_class_size): Now unsigned.
10463 (choose_hard_reg_mode): Both operands now unsigned.
10464 (record_reg_classes): REGNO and NR now unsigned.
10465 (reg_scan): NREGS now unsigned.
10466 (reg_scan_update): old_max_regno now unsigned.
10467 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10468 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10469 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10470 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10471 Likewise for variable R.
10472 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10473 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10474 (find_equiv_reg): Add casts.
10475 (regno_clobbered_p): Arg REGNO now unsigned.
10476 * reload.h (struct reload): NREGS now unsigned.
10477 (refers_to_regno_for_reload_p): Regno args are unsigned.
10478 (regno_clobbered_p): Likewise.
10479 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10480 (compute_use_by_pseudos): REGNO now unsigned.
10481 (find_reg): I and J now unsigned, new variable K, and change loop
10482 variables accordingly; THIS_NREGS now unsigned.
10483 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10484 (spill_hard_reg): REGNO arg now unsigned; add casts.
10485 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10486 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10487 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10488 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10489 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10490 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10491 (emit_reload_insns): REGNO now unsigned.
10492 (reload_cse_move2add): Add cast.
10493 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10495 * resource.c (mark_referenced_resources, mark_set_resources): New
10496 variable R; REGNO and LAST_REGNO now unsigned.
10497 (mark_target_live_regs): J and REGNO now unsigned.
10498 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10499 * rtl.h (union rtunion_def): New field rtuint.
10500 (XCUINT): New macro.
10501 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10502 (operand_subword, operand_subword_force): Word number is unsigned.
10503 (choose_hard_reg_mode): Operands are unsigned.
10504 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10505 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10506 (regno_use_in, combine_instructions, remove_death): Likewise.
10507 (reg_scan, reg_scan_update): Likewise.
10508 (extended_count): Return is unsigned.
10509 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10510 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10511 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10512 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10513 (reg_reg_last_1): FIRS and LAST now unsigned.
10514 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10515 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10517 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10518 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10519 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10520 (replace_regs): Arg NREGS now unsigned.
10521 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10522 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10523 (simplify_binary_operation): Likewise.
10524 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10525 THIS_LAST now unsigned.
10526 (cselib_record_set): Add cast.
10527 * ssa.c (ssa_max_reg_num): Now unsigned.
10528 (rename_block): REGNO now unsigned.
10529 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10530 sizes now unsigned.
10531 (all_cases_count): Just return -1 not -2.
10532 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10533 Rework tests to use trees whenever possible.
10534 Use host_integerp and tree_low_cst.
10535 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10536 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10537 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10538 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10539 (smallest_mode_for_size): Likewise.
10540 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10541 KNOWN_ALIGN is now an alignment, so simplify code.
10542 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10543 (start_record_layout): Renamed from new_record_layout_info.
10544 Update to new fields.
10545 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10547 (place_union_field): Renamed from layout_union_field.
10548 Update to use new fields in rli.
10549 (place_field): Renamed from layout_field.
10550 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10551 (finalize_record_size): Rework to use new fields in rli and handle
10553 (compute_record_mode): Rework to simplify and to use new DECL fields.
10554 (finalize_type_size): Make rounding more consistent.
10555 (finish_union_layout): Deleted.
10556 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10557 (layout_type, case RECORD_TYPE): Call new function names.
10558 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10559 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10560 (get_best_mode): UNIT is now unsigned; remove casts.
10561 * tree.c (bit_position): Compute from new fields.
10562 (byte_position, int_byte_position): New functions.
10563 (print_type_hash_statistics): Cast to remove warning.
10564 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10565 (build_index_type): Likewise; make subtype of sizetype.
10566 (build_index_2_type): Pass sizetype to build_range_type.
10567 (build_common_tree_nodes): Use size_int and bitsize_int to
10568 initialize nodes; add bitsize_{zero,one,unit}_node.
10569 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10570 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10571 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10572 (DECL_FIELD_BITPOS): Deleted.
10573 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10574 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10575 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10576 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10577 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10578 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10579 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10580 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10581 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10582 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10583 (DECL_ALIGN): Adjust to new field in union.
10584 (DECL_OFFSET_ALIGN): New field.
10585 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10586 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10587 (union tree_decl): Add struct for both aligns.
10588 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10589 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10590 (struct record_layout_info): Rework fields to have offset
10591 alignment and byte and bit position.
10592 (start_record_layout, place_field): Renamed from old names.
10593 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10594 (byte_position, int_byte_position): Likewise.
10595 (get_inner_reference): Change types of position and length.
10596 * unroll.c (unroll_loop): New variable R; use for some loops.
10597 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10598 (calculate_giv_inc): Arg REGNO now unsigned.
10599 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10600 * varasm.c (assemble_variable): Clean up handling of size using
10601 host_integerp and tree_low_cst.
10602 (decode_addr_const): Use byte, not bit, position.
10603 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10604 use tree_low_cst and int_bit_position.
10605 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10607 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10609 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10610 (reorder_block_def): New members eff_head and eff_end.
10611 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10612 (verify_insn_chain): New function.
10613 (skip_insns_between_block): Add code to skip deleted insns.
10614 Check for note before using.
10615 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10616 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10617 Check for note before using.
10618 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10619 (fixup_reorder_chain): Restructure, clean up, defect removal.
10620 (reorder_basic_blocks): Remove last_insn and references to it.
10621 Moved insn chain verification code into a new function (see above).
10622 Delete defective code that sets last insn.
10623 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10626 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10628 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10630 2000-03-24 Richard Henderson <rth@cygnus.com>
10632 * tree.c (lang_safe_for_unsave): Remove.
10633 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10634 allowing for two levels of unsafeness. Remove lang hook.
10635 * tree.h: Update declarations.
10636 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10637 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10638 Always fail sibcalls when there are pending cleanups.
10640 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10642 * flow.c (propagate_block): When we delete an ADDR_VEC,
10643 also delete the BARRIER following it if there is one.
10645 2000-03-24 Richard Henderson <rth@cygnus.com>
10647 * builtins.c (expand_builtin_bzero): Convert `length' argument
10650 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10652 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10653 comparison if regno's are equal.
10654 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10655 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10656 (expand_call): Update caller.
10657 Avoid making a sibling call if argument size of the callee is larger
10658 than argument size of the caller.
10659 Call hard_function_value with outgoing set if in sibcall pass.
10660 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10662 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10663 Change LEAF_REGISTERS from an array initializer to actual array
10664 identifier. Move static global variable into the function.
10665 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10666 sequences for leaf functions.
10667 * global.c (global_alloc): Likewise.
10668 * tm.texi (LEAF_REGISTERS): Update documentation.
10670 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10671 TARGET_FLAT leaf disabling hack.
10672 (LEAF_REGISTERS): Changed from an array initializer to actual array
10673 identifier to avoid duplication and remove the above hack.
10674 (FUNCTION_OK_FOR_SIBCALL): Define.
10675 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10676 always like call attribute.
10677 (eligible_for_sibcall_delay): New attribute.
10678 (sibcall): New delay type.
10679 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10680 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10681 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10682 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10683 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10685 (output_function_epilogue): Move part of the code into
10686 output_restore_regs.
10687 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10689 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10692 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10693 until infrastructure is finished.
10695 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10697 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10698 (save_parm_insns): Not here.
10700 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10702 * builtins.c (expand_builtin_bzero): New function.
10703 (expand_builtin): Handle bzero.
10705 * builtins.def: Add BUILT_IN_BZERO.
10707 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10708 prototype & function for bzero.
10710 2000-03-23 Michael Meissner <meissner@redhat.com>
10712 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10713 change adding TARGET_FP to the TF floating point insns, except for
10714 trunctfsf2, which generates direct calls to truncdfsf2.
10716 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10718 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10719 try to protect against middle-end changes that break binary
10721 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10723 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10725 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10727 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10729 * calls.c (expand_call): If TARGET is passed by reference and
10730 is readonly, write a CLOBBER.
10732 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10734 * builtins.c (expand_builtin): Handle bcmp.
10736 * builtins.def: Add BUILT_IN_BCMP.
10738 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10739 prototype & function for bcmp.
10741 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10743 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10744 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10745 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10747 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10749 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10750 alternative when using -fp64 -gp32.
10752 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10754 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10755 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10756 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10758 * frame.h (frame_state): Revert last change.
10759 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10760 * libgcc2.c (throw_helper): Revert last change.
10762 2000-03-22 Richard Henderson <rth@cygnus.com>
10764 * stmt.c (expand_asm_operands): Don't promote the temporary.
10766 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10768 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10769 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10770 c_get_alias_set): Likewise.
10771 * c-decl.c (duplicate_decls): Likewise.
10772 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10773 * calls.c (initialize_argument_information): Likewise.
10774 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10776 * dwarfout.c (decl_class_context,output_type): Likewise.
10777 * expr.c (get_inner_reference): Likewise.
10778 * fold-const.c (simple_operand_p,fold): Likewise.
10779 * function.c (aggregate_value_p): Likewise.
10780 * stmt.c (expand_asm_operands): Likewise.
10781 * varasm.c (named_section): Likewise.
10783 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10785 Implement dwarf2 exception handling for the ARM.
10786 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10787 (DWARF_FRAME_RETURN_COLUMN): Define.
10788 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10789 REG_FRAME_RELATED_EXPR note.
10790 (emit_sfm): Likewise.
10791 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10792 * dwarf2out.c (reg_save): Handle saving a register to itself.
10793 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10794 * except.c (eh_regs): Don't use the static chain reg if it's
10796 * frame.h (frame_state): Add cfa_saved field.
10797 * frame.c (execute_cfa_insn): Set it.
10798 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10800 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10802 (instantiate_virtual_regs): Adjust.
10804 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10805 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10806 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10808 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10809 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10811 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10813 * builtins.def: New file.
10815 * Makefile.in (TREE_H): Depend on builtins.def.
10817 * builtins.c (built_in_names): Use builtins.def.
10819 * tree.h (built_in_function): Likewise.
10821 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10823 * tree.c (size_in_bytes): Return size_zero_node, not
10826 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10828 * config/fp-bit.c (pack_d): Correct the case when a denormal
10829 is rounded up and stops being denormal.
10831 2000-03-21 Richard Henderson <rth@cygnus.com>
10833 * config/alpha/alpha.c (function_arg): Check for void_type_node
10834 before using MUST_PASS_IN_STACK.
10836 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10838 * regmove.c (combine_stack_adjustments_for_block): Check that
10839 the stack pointer is a valid memory address.
10841 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10843 * calls.c: re-install Mar 16 emit_library_call merge.
10845 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10847 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10848 we cannot be sure that if reload_completed base register will
10849 be properly aligned.
10851 2000-03-21 Richard Henderson <rth@cygnus.com>
10853 * flow.c (delete_block): Fix typo last change.
10855 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10857 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10858 not COMPLETE_TYPE_P, to check the type of the expression.
10860 2000-03-21 Michael Meissner <meissner@redhat.com>
10862 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10863 all floating point insns that just tested the macro
10864 TARGET_HAS_XFLOATING_LIBS.
10865 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10866 used to only use the gprs.
10868 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10870 * tree.h (COMPLETE_TYPE_P): New macro.
10871 (COMPLETE_OR_VOID_TYPE_P): New macro.
10872 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10873 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10874 * c-aux-info.c (gen_type): Use them.
10875 * c-common.c (c_expand_expr_stmt): Likewise.
10876 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10877 grokdeclarator, grokparms, finish_struct, start_function,
10878 store_parm_decls, combine_parm_decls): Likewise.
10879 * c-parse.y (cast_expr): Likewise.
10880 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10881 c_size_in_bytes, c_alignof, build_component_ref,
10882 build_indirect_ref, build_array_ref, convert_arguments,
10883 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10884 * calls.c (initialize_argument_information): Likewise.
10885 * convert.c (convert_to_integer): Likewise.
10886 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10887 * dwarfout.c (location_or_const_value_attribute,
10888 output_enumeration_type_die, output_structure_type_die,
10889 output_union_type_die, output_type): Likewise.
10890 * expr.c (safe_from_p, expand_expr): Likewise.
10891 * function.c (assign_parms): Likewise.
10892 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10893 * tree.c (build_array_type, build_function_type,
10894 build_method_type, build_offset_type, build_complex_type): Likewise.
10895 * c-parse.c, c-parse.h: Regenerated.
10897 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10899 * config/c4x/rtems.h: Include config/rtems.h.
10901 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10903 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10904 decl is a FUNCTION_DECL
10906 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10908 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10909 function uses output registers. Don't save RP for leaf functions.
10910 Do save RP even if no epilogue.
10911 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10912 (CALL_USED_REGISTERS): Unmark in registers.
10913 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10914 to near the middle.
10916 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10918 * config/rs6000/rs6000.md (bunordered): New expander.
10919 (bordered): New expander.
10920 (buneq): New expander.
10921 (bunge): New expander.
10922 (bungt): New expander.
10923 (bunle): New expander.
10924 (bunlt): New expander.
10925 (bltgt): New expander.
10927 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10928 (ccr_bit_negated_p): New function.
10929 (print_operand): For %C, generate appropriate cror for UNEQ,
10930 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10932 2000-03-20 Andreas Jaeger <aj@suse.de>
10934 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10937 * tree.h (safe_for_unsave): Prototype.
10939 2000-03-20 Richard Henderson <rth@cygnus.com>
10941 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10942 (combine_stack_adjustments_for_block): Don't allow sp references
10943 in the side of a set we're not fixing up.
10944 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10945 after life_analysis.
10947 2000-03-20 Richard Henderson <rth@cygnus.com>
10949 * calls.c (expand_call): Don't bother generating tail call
10950 sequences if there are pending cleanups. Use
10951 expand_start_target_temps/expand_end_target_temps to elide
10952 cleanups created during sibcall expansion.
10954 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10956 * configure.in: Set $IFS to a value if it doesn't already have one
10957 in the --enable-checking handling.
10958 * configure: Regenerate.
10960 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10962 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10963 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10966 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10968 * jump.c (delete_noop_moves): Remove code attempting to
10969 combine stack adjustments.
10971 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10973 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10974 * except.c (emit_cleanup_handler): Use them.
10975 (expand_end_all_catch): Likewise.
10976 * function.c (fixup_var_refs): Likewise.
10977 (expand_function_end): Clear catch_clauses_last.
10978 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10979 * except.h (struct eh_status): New field x_catch_clauses_last.
10980 (catch_clauses_last): New define.
10982 * Makefile.in (tree.o): Depend on HASHTAB_H.
10983 * tree.c: Include hashtab.h.
10984 (struct type_hash): Remove next field.
10985 (TYPE_HASH_SIZE): Remove.
10986 (TYPE_HASH_INITIAL_SIZE): New define.
10987 (type_hash_table): Change type to htab_t.
10988 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10989 mark_hash_entry): New functions.
10990 (init_obstacks): Allocate type hash.
10991 (type_hash_lookup): Use htab functions.
10992 (type_hash_add, mark_type_hash): Likewise.
10993 (dump_tree_statistics): Call print_type_hash_statistics.
10995 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10997 * rs6000/t-aix41: New file.
10999 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11001 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11003 * tm.texi (Driver): Fix typos and tweak entry for
11005 Move misplaced STRUCT_FORCE_BLK entry ...
11006 (Storage Layout): ... to here.
11007 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11009 2000-03-19 Richard Henderson <rth@cygnus.com>
11011 * flow.c (delete_block): Delete the addr_vec along with the block.
11012 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11015 * fold-const.c (extract_muldiv): Apply type check for defined
11016 overflow to multiply as well as divide.
11018 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11020 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11022 * emit-rtl.c (remove_unncessary_notes): Check that all
11023 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11024 associated NOTE_BLOCK.
11025 * function.h (identify_blocks): Update comments.
11026 (reorder_blocks): Declare.
11027 * function.c (identify_blocks): Don't take paramters.
11028 (reorder_blocks): Don't take parameters.
11029 * loop.h (find_loop_tree_blocks): Remove.
11030 (unroll_block_trees): Likewise.
11031 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11032 reorder_blocks instead of unroll_block_trees.h
11033 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11034 * stmt.c (find_loop_tree_blocks): Remove.
11035 (unroll_block_trees): Likewise.
11036 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11037 in whole-function mode.
11038 * tree.h (reorder_blocks): Remove declaration.
11040 * expr.c: Include intl.h.
11041 * Makefile.in (expr.o): Depend on intl.h.
11043 2000-03-18 Richard Henderson <rth@cygnus.com>
11045 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11047 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11049 * tree.h (tree_index): Remove enumerals for integer types.
11050 (integer_type_kind): New type.
11051 (integer_types): New variable.
11052 (char_type_node): Adjust.
11053 (signed_char_type_node): Likewise.
11054 (unsigned_char_type_node): Likewise.
11055 (short_integer_type_node): Likewise.
11056 (short_unsigned_type_node): Likewise.
11057 (integer_type_node): Likewise.
11058 (unsigned_type_node): Likewise.
11059 (long_integer_type_node): Likewise.
11060 (long_unsigned_type_node): Likewise.
11061 (long_long_integer_type_node): Likewise.
11062 (long_long_unsigned_type_node): Likewise.
11063 * tree.c (integer_types): New variable.
11064 (init_obstacks): Register it as a root.
11066 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11068 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11069 NEXT_INSN. Update last insn in chain.
11071 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11073 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11074 with TYPE_DECL_SUPPRESS_DEBUG set.
11076 2000-03-18 Richard Henderson <rth@cygnus.com>
11078 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11080 2000-03-18 Richard Henderson <rth@cygnus.com>
11082 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11083 care for HALF_PIC_P.
11084 (expander_call_insn_operand): Remove.
11085 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11086 * i386.h (PREDICATE_CODES): Update.
11087 * i386.md (all call expanders): Remove predicates, remove special
11088 handling for half-pic.
11089 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11090 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11091 (sibcall_epilogue): New.
11093 2000-03-17 Richard Henderson <rth@cygnus.com>
11095 * rtlanal.c (single_set): Reject if the parallel has anything
11096 except SET or USE or CLOBBER.
11098 2000-03-17 Jeff Law <law@cygnus.com>
11099 Richard Henderson <rth@cygnus.com>
11101 * Makefile.in (OBJS): Add sibcall.o.
11103 * sibcall.c: New file.
11104 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11105 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11106 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11107 Emit sibcall patterns when requested. Update all callers.
11108 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11109 elimination seems feasable.
11110 * final.c (leaf_function_p): Sibling calls don't discount being
11112 * flow.c (HAVE_sibcall_epilogue): Provide default.
11113 (find_basic_blocks_1): Sibling calls don't throw.
11114 (make_edges): Make edge from sibling call to EXIT.
11115 (propagate_block): Don't remove sibcall_epilogue insns.
11116 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11117 (sibcall_epilogue): New.
11118 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11119 (identify_blocks_1): Likewise. Break out from ...
11120 (identify_blocks): ... here.
11121 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11122 (reorder_blocks): ... here.
11123 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11124 (record_insns): Extend a varray instead of mallocing new memory.
11125 (contains): Read a varray not array of ints.
11126 (sibcall_epilogue_contains): New.
11127 (thread_prologue_and_epilogue_insns): Emit and record
11128 sibcall_epilogue patterns.
11129 (init_function_once): Allocate prologue/epilogue varrays.
11130 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11131 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11132 Broken out from ...
11133 (save_for_inline_nocopy): ... here.
11134 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11135 Broken out from ...
11136 (expand_inline_function): ... here.
11137 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11138 (subst_constants): Handle 'n' formats.
11139 * jump.c (jump_optimize_minimal): New.
11140 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11141 optimizations if it's set.
11142 * rtl.c (copy_rtx): Do copy jump & call for insns.
11143 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11144 (SIBLING_CALL_P): New.
11145 (sibcall_use_t): New.
11146 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11147 Invoke optimize_sibling_and_tail_recursive_calls.
11148 * tree.c (lang_safe_for_unsave): New.
11149 (safe_for_unsave): New.
11150 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11152 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11153 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11154 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11156 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11158 * objc/objc-act.c (encode_method_prototype): Pass types, not
11159 PARM_DECLs, to int_size_in_bytes.
11161 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11163 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11165 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11166 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11168 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11170 * Clean up usages of TREE_INT_CST_LOW.
11171 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11172 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11174 * c-tree.h (min_precision): Move declaration to here.
11175 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11176 (build_unary_op, add_pending_init): Use bit_position.
11177 (pending_init_member, process_init_element): Likewise.
11178 (really_start_incremental_init, push_init_level, pop_init_level):
11179 Don't make copies of nodes or modify them in place, use consistent
11180 types when tracking positions, and use tree routines computations.
11181 (set_init_index, output_init_element): Likewise.
11182 (output_pending_init_elements, process_init_element): Likewise.
11183 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11184 tree_low_cst and int_bit_position; also minor cleanup.
11185 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11186 (print_cst_octal): Precision is unsigned.
11187 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11188 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11189 (simple_type_align_in_bits): Result is unsigned int.
11190 Use tree_int_low_cst and host_integerp.
11191 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11192 (field_byte_offset): Result is HOST_WIDE_INT.
11193 Change types of internal variables so alignments are unsigned int,
11194 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11195 Use host_integerp, tree_low_cst, and int_bit_position.
11196 (add_bit_offset_attribute): Likewise.
11197 (add_data_member_location_attribute): Use tree_cst_low.
11198 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11199 (add_bit_size_attribute): Use tree_low_cst.
11200 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11201 * dwarfout.c: Similar changes to dwarf2out.c.
11202 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11203 * genoutput.c (n_occurences): Return -1 for null string.
11204 (strip_whitespace): Accept null string and make into function.
11205 (scan_operands): Reflect above changes.
11206 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11207 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11208 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11209 * tree.c (int_size_in_bytes): Check for too big to represent.
11210 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11211 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11213 (min_precision): Delete from here.
11214 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11215 and int_bit_position.
11216 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11217 (encode_method_def): Likewise.
11218 (build_ivar_list_initializer): Use int_bit_position.
11219 (generate_shared_structures): Convert size.
11220 (encode_type, encode_complete_bitfield): Use integer_zerop.
11221 (encode_bitfield): Use tree_low_cst and int_bit_position.
11223 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11225 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11227 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11229 * call.c (special_function_p): It is only malloc if it returns
11232 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11234 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11235 (C33_FLAG, TARGET_C3X): Add macros.
11236 (TARGET_SWITCHES): Add -m33 option.
11237 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11239 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11241 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11242 (PARALLEL_PACK_FLAG): Delete.
11243 (TARGET_SWITCHES): Update.
11244 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11246 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11248 * fold-const.c (fold): Fix a few cases when the returned result
11249 is not of the same type as the input.
11251 2000-03-16 Nick Clifton <nickc@cygnus.com>
11253 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11256 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11258 * libgcc2.h: Move prototypes above macros with the same name.
11259 Wrap some function prototypes in the conditional which indicates
11260 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11262 2000-03-16 Richard Henderson <rth@cygnus.com>
11264 * calls.c: Revert last two changes.
11266 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11268 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11269 has exponent 0 is a zero.
11271 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11272 HASH may already be nonzero. Add code/mode into hash value
11273 immediately after repeat label.
11274 (cselib_lookup): Don't leave the hash table in an inconsistent
11275 state before a hash lookup operation.
11277 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11279 * i386.md (all HI and QI mode non-move patterns): Conditionize
11280 by TARGET_[HQ]IMODE_MATH.
11281 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11282 x86_promote_qi_regs): Declare.
11283 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11284 TARGET_PROMOTE_QI_REGS): New macros.
11285 (PROMOTE_MODE): New macro.
11286 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11287 x86_promote_qi_regs): New global variables.
11289 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11291 * calls.c (emit_library_call_value_1): Break out from ...; handle
11292 VOIDmode function calls too.
11293 (emit_library_call_value): ... here.
11294 (emit_library_call): Implement by calling emit_library_call_value_1.
11296 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11298 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11299 Update arg_space_so_far on stack adjustments.
11300 (emit_library_call, emit_library_call_value): Likewise; take into
11301 account arg_space_so_far and pending_stack_adjust when calculcating
11304 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11306 * flow.c: Move all basic block reordering code into its own file.
11307 (create_basic_block): Externalize.
11308 * bb-reorder.c: New file. Copy all basic block reordering code from
11309 flow.c to this file.
11310 (reorder_basic_blocks): Fix fencepost error in for-loop.
11311 (reorder_basic_blocks): Remove braces from single statement for-loops.
11312 * basic-block.h: Add declaration for create_basic_block.
11313 * Makefile.in: Add rules for bb-reorder.o.
11315 2000-03-16 Neil Booth <NeilB@earthling.net>
11317 * cppinit.c (handle_option): Implement #unassert directive
11318 as -A- command line option.
11319 (print_help): Update.
11320 * cpptexi.c: Update.
11322 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11324 * md.texi (Standard Names): Document `jump'.
11326 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11328 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11331 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11333 Merge changes from newppc-branch onto trunk.
11335 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11337 * rs6000.c (toc_hash_table): Update for new hash table functions.
11338 (toc_hash_function): Likewise.
11339 (toc_hash_eq): Likewise.
11340 (toc_hash_mark_entry): Likewise.
11341 (toc_hash_mark_table): Likewise.
11342 (output_toc): Likewise.
11343 (rs6000_add_gc_roots): Likewise.
11345 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11347 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11348 (AR_FLAGS_FOR_TARGET): here. New macro.
11350 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11352 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11353 fpmem_operand) Delete.
11355 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11356 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11357 (rs6000_save_machine_status, rs6000_restore_machine_status,
11358 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11359 references to above variables.
11360 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11361 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11362 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11363 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11364 (XER_REGNO_P, XER_REGNO): New.
11365 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11366 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11367 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11369 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11370 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11371 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11373 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11375 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11376 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11377 * rs6000.h: from here.
11379 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11380 (rs6000_select_rtx_section): Likewise.
11381 (rs6000_encode_section_info): Likewise.
11382 (sdata_section): Likewise.
11383 (sdata2_section): Likewise.
11384 (sbss_section): Likewise.
11385 * sysv4.h (rs6000_select_section): Delete prototype.
11386 (rs6000_select_rtx_section): Likewise.
11387 (rs6000_encode_section_info): Likewise.
11388 (sdata_section): Likewise.
11389 (sdata2_section): Likewise.
11390 (sbss_section): Likewise.
11391 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11393 * sysv4.h: Delete various unnecessary #undef's and put a comment
11394 on the remaining ones.
11395 Change various comments according to coding standard.
11397 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11399 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11400 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11401 (CR0_REGNO_P) Remove.
11402 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11403 setup_incoming_varargs, mtcrf_operation, print_operand,
11404 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11405 Use the above macros.
11407 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11409 * config/rs6000/rs6000.md: Added a new alternative for each
11410 pattern that had a 'x' alternative but no 'y' alternative.
11411 Added a new split for each of the above patterns.
11413 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11415 * aix41.h (ASM_CPU_SPEC): Delete.
11416 (CPP_CPU_SPEC): Delete.
11418 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11419 (ASM_OUTPUT_LABEL): Define.
11420 (ASM_GLOBALIZE_LABEL): Define.
11421 (STRIP_NAME_ENCODING): Define.
11422 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11423 (STRIP_NAME_ENCODING): Don't define.
11424 (ASM_OUTPUT_LABEL): Don't define.
11425 (ASM_GLOBALIZE_LABEL): Don't define.
11426 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11427 names, and ASM_OUTPUT_LABEL to output labels, rather than
11429 (ASM_OUTPUT_LABEL): Define.
11430 (ASM_OUTPUT_INT): Use assemble_name.
11431 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11432 (STRIP_NAME_ENCODING): Don't undefine first.
11433 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11435 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11436 specified with 'asm' even with -fleading-underscore.
11437 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11438 (output_epilog): Likewise.
11439 (output_toc): Likewise.
11440 * tramp.asm: Handle -fleading-underscore correctly.
11442 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11444 (nonlocal_goto_receiver): Delete.
11445 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11447 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11448 (SET_ASM_OP): Define.
11449 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11451 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11452 (ASM_LONG): Define.
11454 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11455 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11457 * rs6000.h: Add 'u' to more constants.
11459 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11461 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11463 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11465 * rs6000.c (reg_or_u_cint_operand): New function.
11466 (logical_operand): Handle 64-bit hosts.
11467 (logical_u_operand): New function.
11468 (non_logical_cint_operand): Handle 64-bit hosts.
11469 (non_logical_u_cint_operand): New function.
11470 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11471 (PREDICATE_CODES): Define new functions.
11472 * rs6000-protos.h: Declare new functions.
11473 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11474 (movdi_64): Bracket code intended for 64-bit hosts. Create
11475 CONST_DOUBLE for 32-bit values.
11476 (scc insns): Generate DImode compares.
11477 (mfcr insns): Create DImode versions.
11478 (sge matchers): New patterns.
11480 2000-02-15 Gabriel Paubert <paubert@iram.es>
11482 * rs6000.md: Correct instructions length attributes and
11483 constraints on unsigned compare instructions.
11484 (*ne0): Disable for PowerPC64.
11486 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11488 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11489 quantity, fix profile1.C test failure under -fPIC.
11491 * rs6000.c: Add 'u' to many constants to suppress warnings.
11492 (constant_pool_expr_1): Make static.
11493 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11494 * rs6000.h: Add 'u' to many constants to suppress warnings.
11496 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11497 for the start of the TOC, instead of LCTOC..0.
11498 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11500 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11501 (load_toc_aix_di): Use LCTOC..1.
11503 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11504 * rs6000.c (rs6000_legitimize_address): New function from
11505 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11506 symbols in the constant pool that really are TOC references.
11507 (print_operand_address): For ELF, write TOC offsets under
11508 -fPIC as subtractions in the insn.
11509 (output_toc): For ELF, define symbols in TOC as normal labels,
11511 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11512 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11513 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11514 * rs6000.md (movsi): Only use create_TOC_reference on
11515 symbols in the constant pool that really are TOC references.
11517 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11518 * rs6000.c (rs6000_reorg): Delete.
11519 * rs6000-protos.h (rs6000_reorg): Delete.
11521 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11523 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11525 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11526 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11527 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11528 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11529 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11530 rs6000_aix_emit_builtin_unwind_init.
11531 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11532 rs6000_emit_eh_toc_restore on AIX.
11533 (return_eh_si): Use r2.
11534 (return_eh_di): Use r2.
11536 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11537 since we're breaking binary compatibility anyway.
11539 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11541 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11542 constant_pool_expr_p): Declare them.
11543 (constant_pool_expr_p): Declare it.
11544 * config/rs6000/rs6000.c (toc_label_name): Define.
11545 (rs6000_override_options): Set toc_label_name.
11546 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11547 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11548 uses_TOC): New functions.
11549 (print_operand): Delete old '*' case.
11550 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11551 and strip off rtl for TOC before calling output_addr_const.
11552 (rs6000_emit_load_toc_table): Use toc_label_name.
11553 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11555 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11556 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11557 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11558 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11559 into explicit TOC_REGISTER offsets.
11560 (TOC_REGISTER): New macro.
11561 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11562 TARGET_TOC to reference TOC_REGISTER.
11563 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11564 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11565 uses_TOC before emitting label references.
11567 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11569 * rs6000.md (stack_tie): Fix warning.
11571 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11572 to handle -fleading-underscore.
11573 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11574 (USER_LABEL_PREFIX): New macro.
11575 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11576 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11577 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11578 call-linux can use the same multilibs.
11579 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11580 and call-linux multilibs. Do multilib with -fleading-underscore.
11581 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11582 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11585 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11586 have MASK_SOFT_FLOAT set.
11587 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11588 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11589 CPP_FLOAT_DEFAULT_SPEC.
11591 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11592 * rs6000.md: Whitespace change.
11593 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11594 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11596 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11598 * rs6000.md (eh_epilogue): New expander.
11599 (eh_reg_restore): New expand/split/insn combination.
11600 (return_eh_si): New insn.
11601 (return_eh_di): New insn.
11603 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11604 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11605 * eabi-ctors.c (__do_global_ctors): Register this object's
11606 frame. Clean up. Call atexit() after the constructors.
11607 (__do_global_dtors): Deregister this object's frame. Clean up.
11608 Allow for recursive calls to exit().
11609 * rs6000.c (fixuplabelno): New variable.
11610 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11611 TARGET_RELOCATABLE, it slows down exec() under linux.
11612 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11614 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11615 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11616 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11617 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11618 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11619 (ASM_OUTPUT_DWARF_ADDR): New macro.
11620 (ASM_OUTPUT_DWARF_DATA4): New macro.
11621 (ASM_OUTPUT_DWARF_DATA2): New macro.
11622 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11623 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11624 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11626 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11628 * rs6000.c (rs6000_sr_alias_set): New variable.
11629 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11630 (rs6000_emit_stack_tie): New function.
11631 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11632 in a way that dwarf2out can understand.
11633 (rs6000_frame_related): New function.
11634 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11635 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11636 Use rs6000_emit_stack_tie when needed.
11637 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11638 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11639 * rs6000.md (stack_tie): New insn.
11640 (return_internal_si): Allow return value to be in the count
11642 (return_internal_di): Likewise.
11644 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11646 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11648 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11650 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11652 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11654 * rs6000.md (stmw): Use the right POWER opcode.
11657 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11659 * rs6000-protos.h: New file.
11661 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11663 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11666 * sysv4.h: Likewise.
11668 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11670 * ../../configure.in: Delete powerpcle-*-winnt*
11671 and powerpcle-*-pe|powerpcle-*-cygwin*.
11672 * ../../configure: Regenerated.
11673 * cygwin.h: Delete.
11674 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11675 (TARGET_WINDOWS_NT): Delete.
11677 (CALL_NT_DLLIMPORT): Delete.
11678 Delete NT-specific code.
11679 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11680 * win-nt.h: Delete.
11682 * nt-ci.asm: Delete.
11683 * nt-cn.asm: Delete.
11684 * ntstack.asm: Delete.
11686 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11688 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11689 (ASM_FILE_START): Likewise.
11690 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11691 (ASM_OUTPUT_LABELREF): Likewise.
11692 (ASM_OUTPUT_SKIP): Likewise.
11693 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11694 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11695 (ASM_OUTPUT_CASE_LABEL): Likewise.
11696 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11697 (ASM_OUTPUT_ASCII): Likewise.
11699 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11701 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11702 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11703 increment rs6000_pic_labelno here.
11704 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11705 and increment rs6000_pic_labelno here.
11707 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11709 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11710 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11711 allocation knows (reg) is dead before the insn.
11713 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11715 * rs6000.md (movsi_to_cr): Correct typo in output template.
11717 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11719 * rs6000.c (rs6000_pic_labelno): Always define.
11720 (rs6000_pic_func_labelno): Delete.
11721 (lmw_operation): Check for a zero base register,
11722 which doesn't mean what we want.
11723 (stmw_operation): New function.
11724 (print_operand): Define new 'l' modifier.
11725 (rs6000_stack_info): We must save all 64 bits of the registers
11726 if TARGET_POWERPC64.
11727 (rs6000_output_load_toc_table): Delete.
11728 (rs6000_emit_load_toc_table): New function.
11729 (rs6000_allocate_stack_space): Delete.
11730 (rs6000_emit_allocate_stack): New function.
11731 (rs6000_emit_prologue): New function.
11732 (output_prolog): Use rs6000_emit_prologue.
11733 (rs6000_emit_epilogue): Change a few variable names to be
11734 more accurate. Restore all 64 bits of the registers if
11735 TARGET_POWERPC64. Only restore the FP registers which were used
11736 if they are being saved/restored one-at-a-time.
11737 (output_mi_thunk): Delete inefficient code generation.
11738 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11739 * rs6000.h: Declare rs6000_emit_load_toc_table,
11740 rs6000_allocate_stack_space, stmw_operation. Don't declare
11741 rs6000_output_load_toc_table.
11742 * rs6000.md (elf_high): Allow register 0, but discourage it
11744 (elf_low): Support loading into register 0.
11745 (load_toc_aix_si): New pattern.
11746 (load_toc_aix_di): New pattern.
11747 (load_toc_v4_pic_si): New pattern.
11748 (load_toc_v4_pic_di): New pattern.
11749 (load_toc_v4_PIC_1): New pattern.
11750 (load_toc_v4_PIC_1b): New pattern.
11751 (load_toc_v4_PIC_2): New pattern.
11752 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11753 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11754 (prologue): New expander.
11755 (movesi_from_cr): New pattern.
11756 (stmw): New pattern.
11757 (save_fpregs_si): New pattern.
11758 (save_fpregs_di): New pattern.
11760 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11762 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11767 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11769 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11771 (movsi_got_internal): Likewise.
11772 (movsi_got_internal+1): Likewise.
11773 (set_sp): 'unspec 7' does a SImode clobber.
11775 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11777 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11778 allocate a stack temporary.
11779 (floatsidf2_internal): Likewise.
11780 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11782 (floatunssidf2): Don't use the fpmem "register", just
11783 allocate a stack temporary.
11784 (floatunssidf2_internal): Likewise.
11785 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11787 (floatsidf2_loadaddr): Delete.
11788 (floatsidf2_store1): Delete.
11789 (floatsidf2_store2): Delete.
11790 (floatsidf2_load): Delete.
11791 (fix_truncdfsi2): Don't use the fpmem "register", just
11792 allocate a stack temporary.
11793 (fix_truncdfsi2_internal_si): Delete.
11794 (fix_truncdfsi2_internal_di): Delete.
11795 (fix_truncdfsi2_internal): New insn.
11796 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11797 (fix_truncdfsi2_store): Delete.
11798 (fix_truncdfsi2_load): Delete.
11799 (fctiwz): Produce gen_fctiwz.
11801 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11803 * eabi.h (INVOKE__main): Define.
11804 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11806 (rs6000_emit_prologue): Likewise.
11807 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11808 this is the main program.
11810 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11812 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11814 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11816 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11817 goes after the argument.
11819 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11821 * rs6000.md: Document 'unspec' values used.
11822 (epilogue): New expander.
11823 (movesi_to_cr_one): New expander.
11824 (movesi_to_cr and following): New pattern.
11825 (lmw): New pattern.
11826 (return_internal_si): New pattern.
11827 (return_internal_di): New pattern.
11828 (return_and_restore_fpregs_si): New pattern.
11829 (return_and_restore_fpregs_di): New pattern.
11830 * rs6000.h: Declare new functions.
11831 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11832 rather than rs6000_calls_p.
11833 (rs6000_makes_calls): Delete.
11834 (lmw_operation): New function.
11835 (mtcrf_operation): New function.
11836 (rs6000_emit_epilogue): New function.
11837 (output_epilog): Call rs6000_emit_epilogue and final if
11838 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11840 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11842 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11843 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11844 * aix.h (SUBTARGET_SWITCHES): Document switches.
11845 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11846 sched-prolog and sched-epilog the same. Document all the
11848 (TARGET_OPTIONS): No longer allow -mdebug-.
11850 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11852 * rs6000.h (ASM_FILE_END): Move to aix.h.
11853 (EXTRA_SECTIONS): Move to aix.h.
11854 (READONLY_DATA_SECTION): Move to aix.h.
11855 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11856 (SELECT_SECTION): Move to aix.h.
11857 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11858 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11859 (LINK_REGISTER_REGNUM): New definition.
11860 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11861 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11863 * sysv4.h: Delete the code between the inclusion of rs6000.h
11865 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11866 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11867 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11868 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11869 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11870 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11871 (fix_truncdfsi2_internal_di): New pattern.
11872 (fix_truncdfsi2_store): The second arg here is Pmode too.
11873 (fix_truncdfsi2_load): The second arg here is Pmode too.
11874 (tablejumpdi): Now that switch tables hold only SImode values,
11875 gcc needs to know how to add them to the pc which is DImode.
11876 * rs6000.c (rs6000_stack_info): Use symbolic name for
11877 LINK_REGISTER_REGNUM.
11878 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11879 (output_toc): Delete unused variables s1 and s2.
11880 (output_ascii): Use fputs not fprintf on a variable string.
11882 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11884 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11885 * aix43.h: Revert Aug 2 change.
11886 (HAS_INIT_SECTION): Define, not visible yet.
11887 (LD_INIT_SWITCH): Define, not visible yet.
11888 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11890 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11892 * config/rs6000/rtems.h: Include config/rtems.h.
11894 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11896 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11897 (SLOW_UNALIGNED_ACCESS): Define.
11898 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11899 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11900 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11901 (toc_section): Likewise and .toc pseudo-op.
11902 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11904 (TEXT_SECTION_ASM_OP): Likewise.
11905 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11908 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11910 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11911 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11914 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11916 * rs6000.h: Move more stuff from here...
11918 * sysv4.h: Cleanup accordingly.
11919 * netware.h: Likewise
11921 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11923 * rs6000.h: Continue cleanup.
11925 * lynx.h: Likewise.
11926 * netware.h: Likewise.
11927 * sol2.h: Likewise.
11928 * sysv4.h: Likewise.
11929 * win-nt.h: Likewise.
11931 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11932 (TARGET_OPTIONS): Likewise.
11934 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11935 (SUBTARGET_OPTIONS): Likewise.
11937 * rs6000.md: Fix compile time warnings.
11939 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11941 vxworks patches from the Cygnus tree originally by
11942 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11943 <vmakarov@cygnus.com>.
11944 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11945 (ENDFILE_SPEC): Likewise.
11946 (LIB_VXWORKS_SPEC): New macro.
11947 (STARTFILE_VXWORKS_SPEC): New macro.
11948 (ENDFILE_VXWORKS_SPEC): New macro.
11949 (LINK_START_VXWORKS_SPEC): New macro.
11950 (LINK_OS_VXWORKS_SPEC): New macro.
11951 (CPP_OS_VXWORKS_SPEC): New macro.
11952 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11953 * vxppc.h: Rewrite to use proper configuration method.
11954 * vxppcle.h: New file.
11955 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11956 * ../../configure: Rebuilt.
11958 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11960 Lots of changes to rs6000.h, sysv4.h, aix.h,
11961 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11962 with the aim that rs6000.h is the first header
11963 included and the others override it.
11966 * x-aix41-gld: Remove.
11968 * x-aix41: Remove target-specific switches, and don't specify
11969 -Wl,-bbigtoc as we don't need it any more.
11970 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11971 Use t-aix43 for AIX 4.3 and above.
11972 * ../../configure: Regenerated.
11974 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11975 options, that don't do anything yet.
11976 (MASK_SCHED_PROLOG): New macro.
11977 (MASK_SCHED_EPILOG): New macro.
11978 (TARGET_SCHED_PROLOG): New macro.
11979 (TARGET_SCHED_EPILOG): New macro.
11981 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11983 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11984 one per translation unit, not one per function.
11985 (output_toc): Also do duplicate constant elimination
11986 for per-translation-unit TOCs.
11988 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11989 a comment explaining _exactly_ when this pattern gets used.
11990 (builtin_setjmp_receiver): New pattern for better clarity.
11991 (init_v4_pic): Move it into a section dealing with TOC registers.
11993 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11995 * rs6000.c (toc_hash_table): New variable.
11996 (rs6000_hash_constant): New function.
11997 (toc_hash_function): New function.
11998 (toc_hash_eq): New function.
11999 (toc_hash_mark_entry): New function.
12000 (toc_hash_mark_table): New function.
12001 (output_toc): Don't output duplicate TOC entries in
12003 (rs6000_add_gc_roots): Add the hash table as a GC root.
12004 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12005 where they clearly shouldn't be. This may need to be fixed
12006 later when there is a GNU ar for AIX.
12007 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12008 Don't define BOOT_LDFLAGS as it is now not necessary.
12010 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12012 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12013 for va_list on AIX. Use unsigned_char_type_node rather than
12014 constructing our own version on svr4.
12016 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12018 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12019 since patently it's not.
12021 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12023 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12024 define_expand/define_insn pair, and handle restore of the
12025 SVR4 -fpic register.
12027 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12029 * acconfig.h (HAVE_GAS_WEAK): New define.
12030 * configure.in (assembler weak support): Check for .weak support.
12031 * config.in, configure: Rebuilt.
12032 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12033 HAVE_GAS_WEAK is defined.
12035 2000-03-15 Nick Clifton <nickc@cygnus.com>
12037 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12040 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12042 * cppfiles.c (open_include_file): New function.
12043 (find_include_file, cpp_read_file): Use it.
12045 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12047 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12049 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12051 * flow.c (verify_flow_info): Check for unconditional return.
12053 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12055 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12056 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12057 (__ia64_restore_stack_nonlocal): New.
12058 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12060 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12062 * cpphash.c (collect_formal_parameters): Do not complain about
12063 parameter names that just start with `__VA_ARGS__'.
12065 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12067 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12068 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12069 * i386.c (pentiumpro_cost): Set mul cost to 4.
12070 (x86_use_movx): Set for PPro.
12072 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12074 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12075 STACK_BOUNDARY for empty frames now.
12077 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12079 * stor-layout.c (layout_union): Remove.
12080 (layout_union_field): New function, split out from layout_union.
12081 (finish_union_layout): Likewise.
12082 (layout_field): Handle unions by calling layout_union_field.
12083 (finish_record_layout): Handle unions.
12084 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12085 QUAL_UNION_TYPE handling.
12087 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12089 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12090 end of basic block is jump_insn, not barrier; use create_basic_block
12091 instead of creating basic block by hand.
12093 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12095 * flow.c (reorder_basic_blocks): Account for barriers when writing
12096 over NEXT_INSN (last_bb->end).
12097 (verify_flow_info): Add check for missing barriers.
12099 2000-03-14 Greg McGary <gkm@gnu.org>
12101 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12102 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12103 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12104 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12105 __unbounded, __unbounded__): New keywords.
12106 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12107 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12108 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12110 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12112 * cselib.h: New file.
12113 * alias.c: Include "cselib.h".
12114 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12115 MEMs as two new arguments.
12116 (get_addr): New static function.
12117 (find_base_term): Handle VALUEs.
12118 (memrefs_conflict_p): Likewise.
12119 (true_dependence): Call get_addr on the addresses.
12120 Call fixed_scalar_and_varying_struct_p with addresses that have been
12121 passed through get_addr and canon_rtx.
12122 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12123 with true_dependence.
12124 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12125 * loop.c: Include "cselib.h".
12126 (load_mems): Process extended basic block that enters the loop with
12127 cselib. Use that information to change initialization of the shadow
12128 register so that a constant equivalence is seen by later passes.
12129 * reload1.c: Include "cselib.h".
12130 (reload_cse_invalidate_regno): Delete function.
12131 (reload_cse_mem_conflict_p): Likewise.
12132 (reload_cse_invalidate_mem): Likewise.
12133 (reload_cse_invalidate_rtx): Likewise.
12134 (reload_cse_regno_equal_p): Likewise.
12135 (reload_cse_check_clobber): Likewise.
12136 (reload_cse_record_set): Likewise.
12137 (reg_values): Delete static variable.
12138 (invalidate_regno_rtx): Likewise.
12139 (reload_cse_delete_noop_set): New static function.
12140 (reload_cse_simplify): New static function, broken out of
12142 (reload_cse_noop_set_p): Delete unused argument INSN.
12143 Just call rtx_equal_for_cselib_p on set source and destination.
12144 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12145 reload_cse_delete_noop_set. Delete code to keep track of values; use
12146 cselib functions instead. Delete code to push/pop obstacks.
12147 (reload_cse_simplify_set): Use cselib to find equivalent values.
12148 Delete code to push/pop obstacks.
12149 (reload_cse_simplify_operands): Likewise.
12150 * rtl.def (VALUE): New rtx code.
12151 * rtl.h (union rtunion_def): New elt rt_cselib.
12152 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12153 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12154 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12155 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12156 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12157 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12158 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12159 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12160 cselib_record_set, cselib_record_sets): New static functions.
12161 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12162 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12163 references_value_p): New functions.
12164 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12165 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12166 n_useless_values, reg_values, callmem, cselib_obstack,
12167 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12168 New static variables.
12169 * varray.h (union varray_data_tag): New elt te.
12170 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12171 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12174 2000-03-14 Nick Clifton <nickc@cygnus.com>
12176 * gcc.c (do_spec_1): Catch the case where %* is used in a
12177 substitution pattern, but it has not been initialised.
12178 Issue a meaningful error message if an unrecognised operator
12179 is encountered in a spec string.
12181 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12183 * function.c (prepare_function_start): Correctly initialize
12184 cfun->stack_alignment_needed.
12186 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12188 * cppfiles.c (find_include_file): Don't assume nshort is a
12191 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12193 * configure.in (hppa configurations): Add pa32-regs.h to the
12194 list of tm files as appropriate.
12195 * configure: Rebuilt.
12196 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12197 register numbering.
12198 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12199 (fmpyaddoperands, fmpysuboperands): Likewise.
12200 * pa.h: Remove various definitions which depend on knowing
12201 how registers are numbered.
12202 * pa32-regs.h: New file with PA32 register numbering specific
12205 2000-03-14 Richard Henderson <rth@cygnus.com>
12207 * regmove.c (combine_stack_adjustments): New.
12208 (stack_memref_p, single_set_for_csa): New.
12209 (free_csa_memlist, record_one_stack_memref): New.
12210 (try_apply_stack_adjustment): New.
12211 (combine_stack_adjustments_for_block): New.
12212 * rtl.h (combine_stack_adjustments): Declare.
12213 * toplev.c (rest_of_compilation): Call it.
12215 * i386.md: Revert 2000-01-16 change.
12217 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12219 * gccbug.in: Add web category, gcc specific classes.
12221 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12223 * stor-layout.c (finalize_record_size): Fix typo.
12225 2000-03-14 Stan Shebs <shebs@apple.com>
12227 * c-typeck.c (c_alignof): Error on incomplete types.
12228 * extend.texi (Alignment): Document this.
12230 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12232 * cppfiles.c: Include mkdeps.h.
12233 (find_include_file, read_include_file): Remove _cpp_ prefix
12234 from name, make static.
12235 (_cpp_execute_include): New function, broken out of
12238 * cpplib.c: Don't include mkdeps.h.
12239 (struct directive): Remove type field. Reorder entries. The
12240 function takes only one argument.
12241 (struct if_stack): Make type field an int.
12242 (directive_table): Rename to dtable. Generate it, the
12243 prototypes of the directive handlers, and the enum for the
12244 directive numbers, from a template macro.
12245 (do_ifndef, do_include_next, do_import): New functions.
12246 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12247 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12248 do_ident, do_assert, do_unassert, do_sccs): Take only one
12250 (do_sccs): Define always, but alter behavior based on
12252 (_cpp_handle_directive, consider_directive_while_skipping):
12253 Restructure for new directive table layout.
12255 (pass_thru_directive): Take a directive number, not a pointer
12256 to a struct directive.
12257 (parse_include): New function, broken out of do_include.
12258 (do_include, do_import, do_include_next): Use parse_include
12259 and _cpp_execute_include.
12260 (do_elif, do_else): Test for T_ELSE specifically when checking
12261 for #elif/#else after #else.
12262 (parse_ifdef): New function, broken out of do_ifdef.
12263 (validate_else): Expect a name arg without a leading #.
12264 (if_directive_name): Delete.
12265 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12266 directive handlers with only one argument.
12268 * cpphash.h: Update prototypes.
12269 (enum node_type): Remove entries for directives.
12270 * Makefile.in: Update dependencies.
12272 * cpphash.c (dump_hash_helper): Only dump nodes of type
12273 T_MACRO. Emit a newline after each definition.
12275 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12277 * gccbug.in: New file.
12278 * configure.in (all_outputs): Add gccbug.
12279 * Makefile.in (install-common): Install gccbug.
12280 (GCCBUG_INSTALL_NAME): New variable.
12281 * configure: Rebuilt.
12283 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12285 * function.c (put_var_into_stack): Use type_for_mode to calculate
12286 part_type. Use MEM_SET_IN_STRUCT_P.
12287 * expr.c (store_field): Handle CONCAT.
12288 (store_constructor): Use fields_length.
12289 * tree.c (fields_length): New fn.
12290 * tree.h: Declare it.
12292 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12294 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12295 (cpplex.o): New target.
12296 * po/POTFILES.in: Add cpplex.c.
12298 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12299 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12300 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12301 skip_block_comment, skip_line_comment, skip_comment,
12302 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12303 _cpp_parse_name, skip_string, parse_string,
12304 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12305 _cpp_get_directive_token, find_position,
12306 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12307 (maybe_macroexpand, _cpp_lex_token): New functions.
12309 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12310 parse_goto_mark): Delete.
12311 (_cpp_handle_eof): New function.
12312 (_cpp_handle_directive): Rename from handle_directive.
12313 (_cpp_output_line_command): Rename from output_line_command.
12314 (do_if, do_elif): Call _cpp_parse_expr directly.
12315 * cppfiles.c (_cpp_read_include_file): Don't call
12316 init_input_buffer here.
12317 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12318 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12319 here; pop the token_buffer and skip the rest of the line here.
12320 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12323 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12325 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12326 CPP_GOTO_MARK): New macros.
12327 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12328 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12329 _cpp_read_and_prescan, _cpp_init_input_buffer,
12330 _cpp_grow_token_buffer, _cpp_get_directive_token,
12331 _cpp_handle_directive, _cpp_handle_eof,
12332 _cpp_output_line_command): Prototype them here.
12333 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12334 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12335 quote_string, output_line_command): Remove.
12337 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12339 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12340 whether it is too large we must also verify that it isn't negative.
12342 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12344 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12345 (movsi_zero_liveg0): Remove.
12346 (movsf_insn_novis_liveg0): Remove.
12348 (negsi2_not_liveg0): Rename to negsi2.
12349 (one_cmplsi2): Remove.
12350 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12351 (one_cmplsi2_liveg0): Remove.
12352 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12353 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12354 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12355 (PREDICATE_CODES): Remove zero_operand.
12356 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12357 TARGET_BROKEN_SAVERESTORE.
12358 (zero_operand): Remove.
12359 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12360 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12362 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12363 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12364 TARGET_BROKEN_SAVERESTORE): Remove.
12365 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12367 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12369 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12372 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12374 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12376 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12377 truncating a string. Don't assume tokens are nul terminated.
12378 Problem noted by Andreas Jaeger <aj@suse.de>
12380 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12382 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12383 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12384 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12386 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12388 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12389 STRUCTURE_SIZE_BOUNDARY.
12391 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12393 * tree.h (record_layout_info_s): New structure.
12394 (record_layout_info): New type.
12395 (new_record_layout_info): New function.
12396 (layout_field): Likewise.
12397 (finish_record_layout): Likewise.
12398 * stor-layout.c (layout_record): Remove.
12399 (new_record_layout_info): New function.
12400 (layout_field): New function, broken out from layout_record.
12401 (finalize_record_size): Likewise.
12402 (compute_record_mode): Likewise.
12403 (finalize_type_size): New function, broken out from layout_type.
12404 (finish_record_layout): Likewise.
12405 (layout_type): Use them.
12407 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12409 * cpphash.c: Don't include version.h.
12410 (special_symbol) [case T_VERSION]: Look for the string in
12411 hp->value.cpval; don't use version_string.
12412 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12413 __VERSION__ to version_string.
12414 * Makefile.in (cpphash.o): Update deps.
12416 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12418 Convert cpplib to use libiberty/hashtab.c.
12420 * cpplib.h (struct cpp_reader): Make hashtab and
12421 all_include_files of type 'struct htab *'. Delete HASHSIZE
12422 and ALL_INCLUDE_HASHSIZE macros.
12424 * cpphash.h: Update prototypes.
12425 (struct hashnode): Remove next, prev, and bucket_hdr members.
12426 Make length a size_t. Add hash member.
12427 (struct ihash): Remove next member. Add hash member. Make
12428 name a flexible array member.
12430 * cppfiles.c: Include hashtab.h.
12431 (include_hash): Delete.
12432 (IHASHSIZE): New macro.
12433 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12434 (cpp_included): Do the hash lookup here.
12435 (_cpp_find_include_file): Rewrite.
12436 (cpp_read_file): Put the "fake" hash entry into the hash
12437 table. Honor the control_macro, if it turns out we've seen
12438 the file before. Don't push the buffer here.
12439 (_cpp_read_include_file): Push the buffer here.
12440 (OMODES): New macro. Use it whenever we call open(2).
12442 * cpphash.c: Include hashtab.h.
12443 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12444 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12445 _cpp_lookup_slot): New functions.
12446 (HASHSIZE): new macro.
12447 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12448 (_cpp_lookup): Use hashtab.h routines.
12450 * cppinit.c: Include hashtab.h.
12451 (cpp_reader_init): Call _cpp_init_macro_hash and
12452 _cpp_init_include_hash. Don't allocate hashtab directly.
12453 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12454 pfile->all_include_files.
12455 (initialize_builtins): Use _cpp_make_hashnode and
12456 htab_find_slot to add hash entries.
12457 (cpp_finish): Just call _cpp_dump_macro_hash.
12458 * cpplib.c: Include hashtab.h.
12459 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12460 create hash entries.
12461 (do_pragma_poison, do_assert): Likewise.
12462 (do_include): Don't push the buffer here. Don't increment
12463 system_include_depth unless _cpp_read_include_file succeeds.
12464 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12465 or htab_remove_elt.
12466 (do_pragma_implementation): Use alloca to create copy.
12468 * Makefile.in: Update dependencies.
12470 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12472 * cppinit.c (cl_directive_handler): More K&R fixing.
12474 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12476 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12478 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12480 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12482 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12483 Change from char[] to macros.
12485 2000-03-12 Neil Booth <NeilB@earthling.net>
12487 * cppinit.c (cpp_start_read): Update indirect function
12490 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12492 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12495 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12496 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12498 2000-03-11 Neil Booth <NeilB@earthling.net>
12500 * cppinit.c (struct pending option): Replace undef with a
12501 pointer to a directive handling routine.
12502 (struct cpp_pending): Replace separate assert_ and define_
12503 lists with one directive_ list.
12504 (new_pending_define): Rename new_pending_directive. Extra
12505 argument is the directive's handling routine.
12506 (handle_option): Update to use new_pending_directive.
12508 2000-03-11 Neil Booth <NeilB@earthling.net>
12510 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12511 remap_filename, _cpp_read_include_file, actual_directory,
12512 hack_vms_include_specification): Replace bcopy(), index() etc
12513 calls. Add casts to some allocations. Make some variables
12514 pointers to const [unsigned] char.
12515 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12516 collect_formal_parameters): Similarly.
12517 * cppinit.c (struct pending_option, append_include_chain,
12518 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12519 cpp_start_read, new_pending_define, handle_option): Similarly.
12520 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12521 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12522 do_pragma_implementation, detect_if_not_defined,
12523 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12524 do_assert, do_unassert): Similarly.
12525 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12526 function prototypes.
12527 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12529 2000-03-10 Richard Henderson <rth@cygnus.com>
12531 * builtins.c (expand_builtin_strlen): Revert last change.
12532 Use emit_insn_before if we're at the beginning of a sequence.
12534 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12536 * builtins.c (expand_builtin_strlen): Make sure that we have something
12537 at the beginning of the sequence.
12539 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12542 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12544 2000-03-10 Richard Henderson <rth@cygnus.com>
12546 * except.c (can_throw): Use INTVAL on a CONST_INT.
12547 (reachable_handlers): Likewise.
12548 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12550 2000-03-10 Andreas Jaeger <aj@suse.de>
12552 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12553 MD_STARTFILE_PREFIX since those are not needed on linux.
12554 (ASM_FILE_START): New, from mips/gnu.h.
12556 2000-03-09 Richard Henderson <rth@cygnus.com>
12557 Alex Samuel <samuel@codesourcery.com> and others
12559 * Makefile.in (ssa.o): New rule.
12561 (STAGESTUFF): Add *.ssa and *.ussa.
12562 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12563 * rtl.def (PHI): New RTL expression.
12564 * rtl.h (clear_log_links): New declaration.
12565 (convert_to_ssa): Likewise.
12566 (convert_from_ssa): Likewise.
12567 * flow.c (split_edge): If the entry node falls through to the
12568 split edge's source block, split the entry edge.
12569 (clear_log_links): New function.
12570 * toplev.c (ssa_dump): New variable.
12571 (flag_ssa): Likewise.
12572 (f_options): Add "ssa".
12573 (compile_file): Create SSA dump files.
12574 (rest_of_compilation): Go to and from SSA if enabled.
12575 (decide_d_option): Handle -de for SSA dump files.
12578 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12580 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12583 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12585 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12587 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12589 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12590 (MD_STARTFILE_PREFIX_1): New macro.
12592 2000-03-09 Robert Lipe <robertl@sco.com>
12594 * config/ia64/ia64.c: Include system.h.
12596 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12598 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12599 (init_eh_nesting_info): Likewise.
12601 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12602 (TREE_NOTHROW): Rename from TREE_RAISES.
12603 * toplev.c (rest_of_compilation): Set it.
12604 * print-tree.c (print_node): Adjust.
12605 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12606 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12607 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12608 REG_EH_REGION note as appropriate.
12609 (libfunc_nothrow): New fn.
12610 (emit_library_call, emit_library_call_value): Use it.
12611 (expand_call): Check TREE_NOTHROW.
12613 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12614 DECL_ASSEMBLER_NAME.
12616 2000-03-09 Andreas Jaeger <aj@suse.de>
12618 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12619 (TARGET_MEM_FUNCTIONS): Define.
12621 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12623 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12625 * except.c (can_throw): See through a SEQUENCE.
12626 (nothrow_function_p): New fn.
12627 * except.h: Declare it.
12628 * function.c (current_function_nothrow): New var.
12629 (prepare_function_start): Initialize it.
12630 * output.h: Declare it.
12631 * toplev.c (rest_of_compilation): Set it.
12632 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12634 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12636 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12637 match. (cpp_compare_defs): Count the nul separator when
12638 advancing over argument names.
12640 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12642 * recog.c (preprocess_constraints): Matching constraints affect
12643 same alternative/different operand, not same operand/different
12646 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12647 register and a constant specially.
12649 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * libgcc2.h: New file.
12652 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12654 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12656 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12657 * configure: Regenerate.
12658 * config/ia64: New.
12660 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12662 * Makefile.in (LIBCPP_DEPS): New macro.
12663 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12664 it to declare deps.
12665 * cpperror.c: Include cpphash.h.
12666 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12668 (lex): Don't use CPP_WARN_UNDEF.
12669 (_cpp_parse_expr): Return an int, the truth value.
12670 * cppfiles.c: Include cpphash.h.
12671 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12672 * cppinit.c (include_defaults_array): Disentangle.
12673 (cpp_cleanup): Don't free the if stack here.
12674 (cpp_finish): Pop off all buffers, not just one.
12675 * cpplib.c (eval_if_expr): Return int.
12676 (do_xifdef): Rename do_ifdef.
12677 (handle_directive): Don't use CPP_PREPROCESSED.
12678 (cpp_get_token): Don't use CPP_C89.
12679 * fix-header.c: Don't use CPP_OPTIONS.
12681 * cpplib.h: Move U_CHAR, enum node_type, struct
12682 file_name_list, struct ihash, is_idchar, is_idstart,
12683 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12684 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12685 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12686 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12687 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12688 of _cpp_simplify_pathname, _cpp_find_include_file,
12689 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12690 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12692 Change all uses of U_CHAR to be unsigned char instead.
12693 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12695 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12697 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12698 (dwarf2out_begin_prologue): Set it.
12699 (output_call_frame_info): Don't emit EH unwind info for leaves.
12701 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12702 can occur outside of an EH region.
12703 * except.c: Correct comments about rethrow behavior.
12704 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12706 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12708 * flow.c (make_edges): Always call make_eh_edge for calls.
12710 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12712 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12713 (struct cpp_buffer): Remove fname and underflow fields.
12714 (struct cpp_reader): Remove get_token field.
12715 (struct include_hash): Rename to struct ihash. Add typedef to
12717 (struct if_stack): Remove fname field.
12718 (IF_STACK_FRAME): Rename to IF_STACK.
12720 * cpperror.c (print_containing_files): Trust that there are no
12721 macro buffers below the top file buffer.
12722 * cppfiles.c: Replace all references to 'struct include_hash'
12723 with 'IHASH'. Rename initialize_input_buffer to
12724 init_input_buffer. Don't set or reference cpp_buffer->fname,
12725 use buffer->ihash->name instead.
12726 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12727 not CPP_NULL_BUFFER.
12728 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12729 IF_STACK_FRAME, IHASH not struct include_hash.
12730 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12731 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12732 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12733 references to cpp_buffer->fname (delete entirely, or use
12734 ->ihash->name instead) and IF_STACK->fname.
12735 (cpp_push_buffer): Don't set new->underflow.
12736 (do_include): Use cpp_file_buffer.
12738 * cpphash.c (collect_formal_parameters): Remove duplicate
12739 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12740 used as a macro argument name. Don't append "..." to namebuf
12741 for varargs macros. After we're done scanning, go through
12742 namebuf and make it NUL separated, not comma separated.
12743 (_cpp_compare_defs): Remove register tag from variables.
12744 Expect defn->argnames to be NUL separated.
12745 (_cpp_dump_definition): Expect defn->argnames to be NUL
12746 separated and in forward order.
12747 * cpphash.h: Update documentation of argnames field.
12749 2000-03-08 Richard Henderson <rth@cygnus.com>
12751 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12752 to fail. Don't pre-expand the source operand.
12754 * i386.md (strlensi): Initialize eoschar and align before use.
12756 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12758 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12759 CONSTRUCTOR element.
12761 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12763 * mips.c (mips_expand_prologue): If the last
12764 named argument is the vararg marker "va_list", treat it as
12765 an unnamed argument.
12767 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12769 * dbxout.c (dbxout_parms): When correcting for promoted
12770 big-endian parameters, use the mode of the DECL_RTL rather
12771 than UNITS_PER_WORD.
12773 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12775 * c-common.h (make_fname_decl): Declare.
12776 * c-common.c (make_fname_decl): Define.
12777 (declare_hidden_char_array): Remove.
12778 (declare_function_name): Use make_fname_decl.
12779 * c-decl.c (c_make_fname_decl): New function.
12780 (init_decl_processing): Set make_fname_decl.
12782 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12784 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12786 2000-03-07 Philipp Thomas <pthomas@suse.de>
12788 * po/POTFILES.in: Remove cppalloc.c from file list.
12790 2000-03-07 Steve Chamberlain <sac@pobox.com>
12792 * pj.c (pj_expand_prologue): current_function->args_info is
12793 now current_function_args_info.
12795 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12796 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12797 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12799 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12801 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12802 output as hexadecimal rather than the default octal.
12804 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12806 * cpphash.c (special_symbol): Fix thinko in previous commit.
12808 2000-03-07 Neil Booth <NeilB@earthling.net>
12810 * cppexp.c (struct operation, left_shift, right_shift,
12811 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12812 "int"s to "unsigned int"s.
12813 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12815 * cpplib.h: Update for above.
12816 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12817 returned from allocations.
12819 * cppinit.c (opt_comp, parse_options): New functions.
12820 (handle_option): Use parse_option to parse a single command
12821 line option, that possibly takes an argument.
12822 (cpp_handle_options): Sort the array of command line options on
12823 first invocation (non-ASCII hosts only).
12824 (print_help): Update.
12826 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12828 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12829 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12831 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12833 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12835 * cpperror.c (cpp_print_containing_files,
12836 cpp_print_file_and_line, v_cpp_message): Rename to
12837 print_containing_files, print_file_and_line, and v_message.
12838 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12839 to _cpp_parse_expr, parse_escape, and lex.
12840 (parse_charconst): Remove broken multibyte support.
12841 * cppfiles.c (include_hash): Make static.
12842 (cpp_included): New function.
12843 (merge_include_chains, find_include_file, finclude,
12844 simplify_pathname): Rename to _cpp_merge_include_chains,
12845 _cpp_find_include_file, _cpp_read_include_file, and
12846 _cpp_simplify_pathname.
12847 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12848 cpp_install, create_definition, macroexpand, compare_defs,
12849 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12850 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12851 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12852 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12854 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12856 * cpphash.h: Update prototypes.
12857 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12859 2000-03-07 Andrew Haley <aph@cygnus.com>
12861 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12862 PTRDIFF_TYPE should be based solely on Pmode.
12863 (SIZE_TYPE): ditto.
12865 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12867 * rtl.h (rtunion_def): Constify member `rtstr'.
12868 (emit_line_note_after, emit_line_note, emit_line_note_force,
12869 emit_note, decode_asm_operands): Constify.
12871 * cse.c (canon_hash): Likewise.
12873 * dbxout.c (dbxout_block): Likewise.
12875 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12876 v_warning_for_asm): Likewise.
12878 * dwarfout.c (function_start_label): Likewise.
12880 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12881 emit_line_note_force): Likewise.
12883 * final.c (last_filename, asm_insn_count, final_scan_insn,
12884 output_source_line): Likewise.
12886 * function.h (struct emit_status): Likewise.
12888 * gcse.c (hash_expr_1): Likewise.
12890 * genattr.c (gen_attr, main): Likewise.
12892 * genattrtab.c (struct function_unit, current_alternative_string,
12893 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12894 attr_numeral, check_attr_test, check_attr_value,
12895 convert_set_attr_alternative, convert_set_attr,
12896 compute_alternative_mask, simplify_by_exploding, gen_attr,
12897 gen_unit): Likewise.
12899 * genflags.c (gen_insn): Likewise.
12901 * gengenrtl.c (type_from_format): Likewise.
12903 * genopinit.c (gen_insn): Likewise.
12905 * genoutput.c (n_occurrences, process_template, process_template):
12908 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12911 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12914 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12915 ggc_set_mark, ggc_get_size): Likewise.
12917 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12919 * optabs.c (init_one_libfunc): Likewise.
12921 * output.h (assemble_start_function): Likewise.
12923 * recog.c (decode_asm_operands): Likewise.
12925 * toplev.c (rest_of_compilation): Likewise.
12927 * tree.h (emit_line_note_after, emit_line_note,
12928 emit_line_note_force): Likewise.
12930 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12931 asm_emit_uninitialised, assemble_start_function,
12932 assemble_variable, const_hash, compare_constant_1,
12933 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12935 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12937 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12939 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12941 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12943 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12944 arm_dllimport_name_p): Likewise.
12946 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12949 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12951 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12953 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12954 arm_mark_dllexport, arm_mark_dllimport,
12955 arm_pe_encode_section_info): Likewise.
12957 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12958 ASM_FINISH_DECLARE_OBJECT): Likewise.
12960 * arm/thumb.c (thumb_function_prologue): Likewise.
12962 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12964 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12966 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12968 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12970 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12972 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12974 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12975 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12977 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12979 * i386/i386.c (asm_output_function_prefix): Likewise.
12981 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12983 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12985 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12987 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12988 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12989 ASM_OUTPUT_SECTION_NAME): Likewise.
12991 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12993 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12995 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12997 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12999 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13001 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13003 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13005 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13007 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13009 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13011 * mips/mips.md (movdi, movsi): Likewise.
13013 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13015 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13017 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13019 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13020 ASM_OUTPUT_ASCII): Likewise.
13022 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13023 output_mi_thunk, output_toc): Likewise.
13025 * rs6000/rs6000.md (movsi): Likewise.
13027 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13029 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13031 * v850/v850.c (print_operand, print_operand_address,
13032 v850_encode_data_area): Likewise.
13034 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13036 * config/mips/mips.md (zero_extendsidi2): Always force operand
13037 one to memory for mips16.
13039 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13041 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13042 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13043 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13044 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13045 (min_precision): Result is unsigned.
13046 (add_double, neg_double, mul_double): Low word is unsigned.
13047 (lshift_double, rshift_double, lrotate_double): Likewise.
13048 (rrotate_double, div_and_round_double): Likewise.
13049 (tree_floor_log2, compare_tree_int): New functions.
13050 (preserve_rtl_expr_temps): New declaration.
13051 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13052 (decl_attributes): Use tree_log2 to find alignment.
13053 Check for TREE_INT_CST_HIGH for format args.
13054 (min_precision): Now unsigned.
13055 Use tree_floor_log2.
13056 (truthvalue_conversion): Delete long-disabled code.
13057 * c-decl.c (finish_struct): Clean up tests on field width.
13058 (finish_function): Use compare_tree_int.
13059 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13060 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13061 (default_conversion, digest_init): Use compare_tree_int.
13062 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13063 Fix type errors in forming masks.
13064 * calls.c (initialize_argument_information): Use compare_tree_int.
13065 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13066 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13067 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13068 (store_field): Use compare_tree_int.
13069 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13070 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13071 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13072 (do_store_flag): Use compare_tree_int.
13073 * fold-const.c (encode, decode): Low part is always unsigned.
13074 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13075 (lshift_double, rshift_double, lrotate_double): Likewise.
13076 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13077 (fold_convert): Use compare_tree_int.
13078 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13079 (invert_truthvalue, case INTEGER_CST): Likewise.
13080 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13081 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13082 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13083 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13085 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13086 (expand_end_case): Use compare_tree_int.
13087 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13088 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13089 (layout_decl): Likewise.
13090 (layout_record, layout_union): Make sizes unsigned.
13091 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13092 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13093 * tree.c (struct type_hash): hashcode is unsigned.
13094 (build_type_attribute_variant, type_hash_list): Likewise.
13095 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13096 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13097 (build_complex_type): Likewise.
13098 (real_value_from_int_cst): Remove unneeded casts.
13099 (integer_all_onesp): Add casts.
13100 (tree_floor_log2, compare_tree_int): New functions.
13101 (build_index_type): Use tree_int_cst_sgn.
13102 * varasm.c (assemble_variable): Use compare_tree_int.
13104 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13106 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13108 * varasm.c (make_decl_rtl): Don't add a number to members of
13110 (make_function_rtl): Likewise.
13112 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13114 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13115 patch from 2000-01-28.
13117 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13119 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13120 filled with an insn from the jump target.
13122 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13124 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13125 (c4x_external_ref): Likewise.
13126 * config/c4x/c4x.c (struct name_list): Likewise.
13128 1999-12-16 Ben Collins <bcollins@debian.org>
13130 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13131 argument to genmultilib.
13132 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13133 the contents into the multilib.h header.
13134 * gcc.c: Declare multilib_exclusions for the specs file.
13135 (set_multilib_dir): Use it.
13136 (print_multilib_info): Likewise.
13137 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13138 to pass to genmultilib.
13140 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13142 * builtins.c (built_in_class_names, built_in_names): Constify a
13145 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13147 (_mcleanup): Ensure value matches format specifier in sprintf.
13149 * cpphash.c (special_symbol): Don't needlessly cast away
13152 * cppinit.c (base_name): Delete unused prototype.
13154 * mkdeps.c (deps_init): Make definition K&R safe.
13156 * tree.h (built_in_class_names, built_in_names): Constify a
13159 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13161 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13162 floating point instructions for epilogue delay.
13164 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13165 to gas if it supports .register pseudo.
13167 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13168 LONG_DOUBLE_TYPE_SIZE if not defined.
13169 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13170 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13171 * real.c: Likewise.
13172 * gengenrtl.c: Likewise.
13173 * print-rtl.c: Likewise.
13175 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13176 MASK_LONG_DOUBLE_128.
13177 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13178 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13179 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13180 (SUBTARGET_SWITCHES): Define.
13181 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13182 with -mlong-double-128.
13183 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13184 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13185 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13186 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13187 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13188 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13189 with -mlong-double-128.
13190 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13191 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13192 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13193 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13194 TARGET_LONG_DOUBLE_128): Define.
13195 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13196 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13197 long double on TARGET_ARCH64.
13199 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13201 * function.c (free_temps_for_rtl_expr): Don't free slots
13202 that have been pushed into a higher level.
13205 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13207 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13209 * basic-block.h (ALLOCA_REG_SET): Remove.
13210 (INITIALIZE_REG_SET): New macro.
13211 * flow.c (update_life_info): Use it.
13212 (calculate_global_regs_live): Likewise.
13213 (propagate_block): Likewise.
13214 * global.c (build_insn_chain): Likewise.
13215 * haifa-sched.c (schedule_region): Likewise.
13217 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13219 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13220 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13221 (DWARF_ARANGES_PAD_SIZE): New define.
13222 (output_aranges): Use it to pad the address range header.
13223 (DWARF_ROUND): Fix for non power of 2 rounding.
13225 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13227 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13229 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13231 * tree.def (RTL_EXPR): Update documentation.
13232 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13233 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13234 * function.c (preserve_rtl_expr_temp): New function.
13235 (preserve_rtl_expr_temps): Likewise.
13236 (preserve_rtl_expr_result): Use it.
13239 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13241 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13243 * regmove.c (copy_src_to_dest) Do not create src->dest move
13244 for unchanging destination.
13246 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13248 * function.h (struct sequence_stack): Remove rtl_expr.
13249 (struct emit_staus): Likewise.
13250 (seq_rtl_expr): Remove.
13251 * tree.h (free_temps_for_rtl_expr): Don't declare.
13252 (start_sequence_for_rtl_expr): Likewise.
13253 * rtl.h (preserve_rtl_expr_result): Likewise.
13254 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13255 (start_sequence_for_rtl_expr): Remove.
13256 (push_topmost_sequence): Don't save sequence_rtl_expr.
13257 (pop_topmost_sequence): Remove comment about not restoring it.
13258 (end_sequence): Don't set seq_rtl_expr.
13259 (init_emit): Don't initialize it.
13260 (mark_sequence_stack): Don't mark it.
13261 (mark_emit_status): Likewise.
13262 * except.c (protect_with_terminate): Use
13263 start_sequence_for_rtl_expr, not start_sequence.
13264 * expr.c (expand_expr, case RTL_EXPR): Don't call
13265 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13266 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13267 (preserve_rtl_expr_result): Remove.
13268 (free_temps_for_rtl_expr): Likewise.
13269 (pop_temp_slots): Likewise.
13270 (mark_temp_slot): Don't mark the rtl_expr.
13271 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13272 start_sequence_for_rtl_expr.
13274 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13276 * mkdeps.c, mkdeps.h: New files.
13277 * po/POTFILES.in: Add them.
13278 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13279 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13280 (mkdeps.o): New target.
13282 * cppfiles.c: Delete deps_output.
13283 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13284 OBJECT_SUFFIX, and base_name.
13285 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13287 (initialize_dependency_output): Use deps_init,
13288 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13289 all the unnecessary string bashing.
13290 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13292 * cpplib.c (do_include): Use deps_add_dep.
13293 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13294 deps_allocated_size, deps_size, deps_column members with
13295 single pointer to a struct deps. Delete prototype of
13298 * cppinit.c: Fix thinko in previous patch.
13300 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13302 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13303 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13304 (mode_for_size_tree): New function.
13305 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13306 * tree.h (mode_for_size_tree): New declaration.
13308 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13310 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13312 * stmt.c (is_body_block): Move...
13313 * dwarfout.c, dwarf2out.c: ...from here.
13314 * tree.h: Declare it.
13315 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13316 * final.c (final_start_function): Do call remove_unnecessary_notes
13319 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13321 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13323 * cpplib.h (_dollar_ok): New macro.
13324 (is_idchar, is_idstart): Use it.
13325 (IStable): Rename to _cpp_IStable. Declare it const if
13326 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13327 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13328 is_space): Update for renamed IStable.
13330 * cppinit.c: Delete all references to FAKE_CONST and CAT
13331 macros. Define init_IStable as empty macro if gcc >=2.7 or
13332 C99. Change TABLE() to ISTABLE and hardcode name of table.
13333 (cpp_start_read): Don't change the IStable based on
13336 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13337 changed. Handle '$' for char1 correctly.
13338 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13340 * cppexp.c (tokentab2): Make const.
13341 (cpp_lex): Make toktab const.
13342 * cppinit.c (include_defaults_array): Make const.
13343 (initialize_standard_includes): Make default_include const.
13345 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13347 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13348 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13349 (gen_decl_die): Likewise.
13350 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13351 (output_decl): Likewise.
13353 * varasm.c (make_function_rtl): If we change the name used in the
13354 rtl, update DECL_ASSEMBLER_NAME accordingly.
13355 (make_decl_rtl): Likewise.
13357 * toplev.c (rest_of_compilation): Tweak formatting.
13359 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13360 remove_unnecessary_notes.
13361 (debug_ignore_block): New fn.
13362 * toplev.h: Declare it.
13363 * emit-rtl.c (remove_unncessary_notes): Call it.
13364 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13365 * dwarf2out.h: Declare it.
13366 * final.c (final_start_function): Don't call remove_unnecessary_notes
13367 if we did insn scheduling.
13369 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13371 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13372 * cpplib.h: Delete SET_CPP_PEDANTIC.
13374 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13376 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13377 result is a RECORD_TYPE.
13379 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13381 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13383 2000-03-03 Richard Henderson <rth@cygnus.com>
13385 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13386 addition over compliments over shifts.
13388 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13390 * reload1.c (reload_combine_note_use): Handle return register USEs.
13391 REG case: Handle multi-hard-register hard regs.
13393 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13395 * md.texi: Document use of '*' in insn pattern name.
13397 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13399 * calls.c (special_function_p): operator new may not be malloc-like.
13401 * gcse.c (dump_hash_table): Really fix error in last change.
13403 2000-03-02 Denis Chertykov <denisc@overta.ru>
13405 * avr.c (print_operand): Use print_operand_address instead of
13407 * avr/libgcc.S: Cleanup code.
13409 2000-03-02 Richard Henderson <rth@cygnus.com>
13411 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13413 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13415 * tree.h (TYPE_ALIGN_UNIT): New macro.
13417 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13419 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13421 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13423 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13425 (SET_CPP_PEDANTIC): New macro.
13426 * cpplib.c (do_include): Don't bother checking system_header_p.
13427 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13428 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13430 * function.h (struct expr_status): Add x_arg_space_so_far.
13431 (arg_space_so_far): New macro.
13432 * expr.c (init_expr): Initialize it.
13433 * calls.c (emit_call_1): Reset it.
13434 (compute_argument_block_size, expand_call): Use it.
13435 (expand_call, store_one_arg): Increment it.
13437 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13439 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13442 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13444 * cppfiles.c (cpp_read_file): New function.
13446 * cpphash.c (collect_expansion): Make sure to reset last_token
13447 to NORM when we hit a string. Handle trailing whitespace
13448 properly when the expansion is empty.
13449 (create_definition): Disable line commands while parsing the
13451 (dump_definition): If pfile->lineno == 0, output a line
13452 command ahead of the dump, and add a trailing newline.
13454 * cppinit.c (append_include_chain): Add fifth argument, which
13455 indicates whether or not system headers are C++ aware.
13456 (initialize_standard_includes): New function,
13457 broken out of read_and_prescan. Pass 'cxx_aware' value from
13458 the include_defaults_array on to append_include_chain.
13459 (dump_special_to_buffer): Const-ify char array.
13460 (builtin_array): Don't dump __BASE_FILE__.
13461 (cpp_start_read): Use cpp_read_file. Reorder code for
13462 clarity. Don't output line commands here for -D/-A/-U
13463 switches. Don't call deps_output for files included with
13464 -include or -imacros.
13466 * cpplib.c (do_define): Don't pay any attention to the second
13468 (cpp_expand_to_buffer): Disable line commands while scanning.
13469 (output_line_command): Work in the file buffer.
13470 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13471 Fix formatting of comments. Prototype cpp_read_file.
13473 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13475 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13476 reference the language-equivalent of sizetype.
13477 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13478 * fold-const.c (size_binop, size_diffop): Put back checks.
13479 * gcse.c (dump_hash_table): Fix minor error in last change.
13480 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13481 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13484 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13486 * calls.c (expand_call) Do not attempt to combine stack adjustments
13487 with inhibit_defer_pop set.
13489 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13491 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13492 the DECL_SIZE for a FIELD_DECL.
13494 2000-03-01 Bruce Korb <bkorb@gnu.org>
13496 * fixinc/inclhack.tpl: remove unused symlinks
13497 * fixinc/README: GCC Maintainer info
13498 * fixinc/inclhack.sh: regen
13499 * fixinc/fixincl.sh: regen
13501 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13503 * cpphash.c (collect_expansion): Trim trailing white space
13504 from macro definitions, but don't go past the last insertion
13507 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13509 * i386.md (mulqi3): New pattern.
13511 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13513 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13515 (struct cpp_reader): Add parsing_if_directive and
13516 parsing_define_directive flags.
13517 (struct cpp_options): Remove output_conditionals flag.
13518 (check_macro_name): Delete prototype.
13520 * cpphash.h (struct macrodef): Delete.
13521 (struct reflist): Separate from struct definition.
13522 (struct definition): Remove unused fields. Add column number.
13523 (create_definition): Returns a DEFINITION *. Takes a
13524 cpp_reader * and an int.
13526 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13527 (PEEKC): Copy defn from cpplib.c.
13528 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13530 (struct arglist): Simplify.
13531 (collect_expansion): Rewrite. Get tokens by calling
13532 cpp_get_token. Add more error checking.
13533 (collect_formal_parameters): New function, broken out of
13534 create_definition and reworked to use get_directive_token.
13535 (create_definition): All real work is now in collect_expansion
13536 and collect_formal_parameters. do_define handles finding the
13537 macro name. Return a DEFINITION, not a MACRODEF.
13538 (macroexpand): Replace bcopy with memcpy throughout. Replace
13539 character-at-a-time copy loop with memcpy and pointer increments.
13540 (compare-defs): d1->argnames / d2->argnames might be null.
13542 * cpplib.c (copy_rest_of_line): Delete function.
13543 (skip_rest_of_line): Do all the work ourselves.
13544 (skip_string): New function.
13545 (parse_string): Use skip_string.
13546 (get_macro_name): New function.
13547 (check_macro_name): Delete.
13548 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13549 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13550 (handle_directive): ICE if we're called on a macro buffer.
13551 (do_define): Determine macro name and type (funlike/objlike)
13552 here. Expunge all uses of MACRODEF.
13553 (cpp_push_buffer): Set line_base to NULL.
13554 (do_undef, read_line_number): Don't worry about getting a POP token.
13555 (eval_if_expression): Set/reset parsing_if_directive around
13556 cpp_parse_expr. Don't clear only_seen_white.
13557 (skip_if_group): Remove output_conditionals logic. Use
13559 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13560 tokens under appropriate conditions.
13561 (cpp_unassert): Call do_unassert not do_assert. Oops.
13563 * cppexp.c (parse_defined): New function, break out of
13565 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13566 ourselves, with cpp_defined.
13567 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13569 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13570 * gcc.dg/strpaste-2.c: New.
13572 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13574 * fold-const.c (size_binop): Don't asert inputs are the same and
13575 have TYPE_IS_SIZETYPE set.
13576 (size_diffop): Likewise.
13578 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13580 * dwarfout.c (output_block): Output abstract blocks even if they
13581 don't have TREE_ASM_WRITTEN set.
13583 * calls.c (emit_library_call): Check for null REG.
13585 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13587 * c-decl.c (current_function_decl): Move to toplev.c.
13588 (init_decl_processing): Don't add current_function_decl as a ggc
13590 * dbxout.c (dbxout_symbol): Change return type to int.
13591 (dbxout_symbol_location, dbxout_syms): Likewise.
13592 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13593 any locals. Use current_function_func_begin_label if set.
13594 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13595 * dwarf2out.c (dwarf2out_begin_prologue): Set
13596 current_function_func_begin_label.
13597 * final.c (final_start_function): Reset it.
13598 * toplev.c (current_function_decl): Define it here.
13599 (current_function_func_begin_label): New variable.
13600 (main): Add both as ggc roots.
13601 * tree.h (current_function_func_begin_label): Declare.
13603 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13605 * gcse.c: Cleanups throughout: mostly white-space, but also
13606 some minor rearrangement of code.
13608 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13610 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13611 returns a PARALLEL. Use emit_group_load and use_group_regs
13613 (emit_library_call_value): Similarly.
13615 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13616 * pa/quadlib.asm: Remove.
13617 * pa/quadlib.c: New file.
13619 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13620 * configure: Rebuilt.
13622 2000-02-29 Philip Blundell <pb@futuretv.com>
13624 * config/arm/conix-elf.h: New file.
13625 * configure.in (arm*-*-conix*): New configuration.
13626 * configure: Regenerate.
13628 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13630 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13631 don't have TREE_ASM_WRITTEN set.
13633 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13635 * Eliminate DECL_FIELD_SIZE.
13636 * builtins.c (built_in_class_names, built_in_names): New variables.
13637 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13638 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13639 DECL_SIZE, not DECL_FIELD_SIZE.
13640 * print-tree.c (print_node): Remove code that prints extra blank
13641 lines in some cases.
13642 Properly handle inline and builtin function cases.
13643 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13644 * tree.h (built_in_class_named, built_in_names): New declarations.
13645 (union tree_decl): Rename internal unions to u1 and u2 and change
13646 some of their components.
13647 Add new field built_in_class.
13648 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13649 Reflect above changes.
13650 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13651 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13652 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13653 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13655 2000-02-28 Dmitri Makarov <dim@windriver.com>
13657 * extend.texi: Document ARM's support for long/short calls.
13659 * invoke.texi: Document ARM's -mlong-calls command line switch.
13661 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13662 (arm_encode_call_attribute): Add prototype.
13663 (arm_set_default_type_attribute): Add prototype.
13664 (arm_strip_name_encoding): Add prototype.
13666 * config/arm/arm.c (arm_init_cumulative_args): replace
13667 initialisation og 'long_calls' field with initialisation of
13668 'call_cookie' field.
13669 (enum arm_pragma_enum): New enum.
13670 (arm_pragma_long_calls): New static variable.
13671 (arm_process_pragma): Also process "#pragma long_calls_off".
13672 (arm_valid_type_attribute_p): Accept short_call attribute.
13673 (arm_comp_type_attributes): Check long/short call attributes.
13674 (arm_encode_call_attribute): New function: Encode long_call
13675 or short_call attribute in function name.
13676 (arm_set_default_type_attributes): New function: Assign
13677 default attributes to newly defined type.
13678 (current_file_function_operand): New function: Return true if
13679 the symbol is a function which has already been compiled.
13680 (arm_is_longcall_p): New function: Return true if the
13681 indicated function should be called via a long call.
13682 (arm_get_strip_length): New function. Returns number of
13683 prefix characters to be stripped from a function's name.
13684 (arm_strip_name_encoding): New function. Strip prefix characters
13685 from a function's name.
13687 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13688 with 'call_cookie'.
13689 (SHORT_CALL_FAG_CHAR): Define.
13690 (LONG_CALL_FAG_CHAR): Define.
13691 (ENCODED_SHORT_CALL_ATTR_P): Define.
13692 (ENCODED_LONG_CALL_ATTR_P): Define.
13693 (ARM_NAME_ENCODING_LENGTHS): Define.
13694 (STRIP_NAME_ENCODING): Define.
13695 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13696 (ARM_ENCODE_CALL_TYPE): Define.
13697 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13698 (ARM_DECLARE_FUNCTION_SIZE): Define.
13699 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13701 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13702 if a long call is needed.
13703 (call_value): Ditto.
13704 (call_symbol): Ditto.
13706 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13707 ARM_DECLARE_FUNCTION_SIZE.
13709 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13710 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13711 (ARM_STRIP_NAME_ENCODING): Undefine.
13712 (STRIP_NAME_ENCODING): Undefine.
13713 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13714 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13715 (ASM_OUTPUT_COMMON): Ditto.
13716 (ASM_DECLARE_OBJECT_NAME): Ditto.
13718 * config/arm/pe.c (arm_dllexport_name_p): Check for
13720 (arm_dllimport_name_p): Ditto.
13721 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13722 (arm_mark_dllimport): Ditto.
13724 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13726 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13728 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13730 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13732 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13734 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13735 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13736 NO_BUILTIN_WCHAR_TYPE is not defined.
13737 (CPP_WCHAR_TYPE): Delete.
13738 * cccp.c (main): Don't change wchar_type if cplusplus.
13739 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13741 2000-02-28 Nick Clifton <nickc@cygnus.com>
13743 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13745 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13747 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13748 (ASM_WEAKEN_LABEL): Define.
13750 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13752 * expr.c (store_constructor): Do not emit USE.
13753 * rtl.h (stupid_life_analysis): Remove.
13755 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13757 * function.c (number_blocks): Reset next_block_index based on
13758 what debugging format is used, not what is defined.
13760 * lcm.c: Minor reformatting throughout.
13761 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13763 * toplev.c (rest_of_compilation): Account for time in
13764 optimize_mode_switching.
13766 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13767 if only marking labels.
13769 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13771 * calls.c (expand_call): Attempt to combine stack adjustments with
13772 pending stack adjustments.
13774 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13776 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13777 to the end of the function.
13779 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13781 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13783 * final.c (next_block_index): Remove.
13784 (max_block_depth): Likewise.
13785 (pending_blocks): Likewise.
13786 (init_final): Don't initialize them.
13787 (final_start_function): Don't set next_block_index. Set up
13789 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13790 * function.h (number_blocks): New function.
13791 * function.c (get_block_vector): New function.
13792 (identify_blocks): Use it.
13793 (reorder_blocks): Set NOTE_BLOCK.
13794 (number_blocks): New function.
13795 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13796 * tree.h (BLOCK_NUMBER): New macro.
13797 (tree_block): Add block_num field.
13798 * dbxout.c (next_block_number): Remove.
13799 (dbxout_init): Don't set it.
13800 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13801 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13803 * toplev.c (rest_of_compilation): Always call
13804 find_loop_tree_blocks. Fix indentation.
13805 * dwarf2out.c (next_block_number): Remove.
13806 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13807 to determine block numbers.
13808 (gen_inlined_subroutine_die): Likewise.
13809 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13810 (decls_for_scope): Don't increment next_block_number.
13811 * dwarfout.c (next_block_number): Remove.
13812 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13813 to determine block numbers.
13814 (output_inlined_subroutine_die): Likewise.
13815 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13816 (output_decls_for_scope): Don't increment next_block_number.
13817 * sdbout.c (next_block_number): Remove.
13818 (sdbout_block): Use BLOCK_NUMBER.
13819 (sdbout_begin_block): Simplify.
13820 * xcoffout.c (next_block_number): Remove.
13821 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13822 (xcoffout_begin_block): Don't set next_block_number.
13823 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13826 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13828 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13829 (expand_builtin_strcpy): Pass correct type to size_binop.
13830 (expand_builtin_strcmp): Likewise.
13831 Clean up conditional structure.
13832 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13833 (complete_array_type): Don't use size_binop for MAXINDEX.
13834 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13835 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13836 (c_alignof): Use size_one_node.
13837 (build_unary_op): Pass arg of proper type to size_binop.
13838 (really_start_incremental_init, push_init_level): Use sizetype for
13839 constructor{,_bit,_unfilled}_index.
13840 (pop_init_label, output_init_element): Likewise.
13841 (output_pending_init_elements, process_init_element): Likewise.
13842 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13843 * expr.c (store_expr): Use size_int.
13844 (store_constructor): Use proper types for size_binop args.
13845 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13846 (expand_expr_unaligned): Likewise.
13847 (string_contant): Return object of sizetype.
13848 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13849 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13850 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13851 * fold-const.c (int_const_binop): Refine when size_int is called.
13852 (fold_convert): Likewise.
13853 (size_int_wide): Rework to take KIND as arg, only take low order
13854 bits, handle new sizetype_tab datatype, and chain entries in
13856 (size_int_type_wide): New function.
13857 (size_binop): Validate types of arguments.
13858 (ssize_binop): Deleted.
13859 (size_diffop): New function.
13860 (extract_muldiv): Only fold division into multiplication for sizetypes.
13861 * function.c (assign_parms): Use size_diffop and make sure
13862 VAR field is of ssizetype; also pass proper type to size_binop.
13863 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13864 (round_down): Deleted from here.
13865 * store-layout.c (sizetype_tab): Now an array.
13866 (sizetype_set, early_root_list): New variables.
13867 (variable_size): Use size_one_node.
13868 (round_up): Pass proper type to size_binop.
13869 (round_down): Moved to here and corrected as above.
13870 (layout_record): Pass proper arg types to size_binop.
13871 (layout_type): Likewise.
13872 If sizetype_set is zero, record the type just laid out.
13873 (make_unsigned_type): Don't call set_sizetype;
13874 (make_signed_type): Likewise; also, call fixup_signed_type.
13875 (initialize_sizetypes): New function.
13876 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13877 set name of bitsizetype to "bit_size_type".
13878 Fix up type of sizes of all types made before call.
13879 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13880 * tree.c (fix_sizetype): Deleted.
13881 (build_common_tree_nodes): Call initialize_sizetypes.
13882 (build_common_tree_nodes_2): Don't call fix_sizetype.
13883 * tree.h (TYPE_IS_SIZETYPE): New macro.
13884 (initialize_sizetype): New declaration.
13885 (enum size_type_kind): New type.
13886 (struct sizetype_tab): Deleted.
13887 (sizetype_tab): Now array; adjust sizetype macros.
13888 (size_diffop, size_int_type_wide): New functions.
13889 (size_int_wide): Change number of args and type; access macros changed.
13890 (ssize_int, sbitsize_int): New macros.
13891 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13892 (ROUND_TYPE_SIZE_UNIT): New macro.
13894 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13896 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13898 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13900 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13901 Mark as possibly unused.
13903 * cse.c (cse_insn): Delete dead code involving tablejump.
13904 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13906 * Makefile.in (libcpp.a): Start by deleting it.
13908 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13910 * cpplib.h (enum file_change_code): Added rename_file.
13911 * cpplib.c (do_line): If a filename is given, set file_change to
13913 (output_line_command): If file_change is rename_file, always
13914 output a # directive with the file name.
13916 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13918 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13920 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13921 when copying a PARM_DECL or RESULT_DECL.
13923 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13925 * fix-header.c (recognized_function): Also fix prototypes for
13926 functions taking "void".
13928 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13930 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13931 looking at reg_reloaded_contents.
13933 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13935 * Makefile.in (STMP_FIXINC): New toggle.
13936 (LIBGCC2_DEPS): Delete all references.
13937 (stmp-headers): Delete target. All references either deleted
13938 or changed to stmp-int-headers.
13939 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13940 (LIBCPP_OBJS): Take out cppalloc.o.
13941 (cppalloc.o): Delete target.
13942 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13943 (gen-protos, fix-header): Link with libiberty.a.
13944 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13947 * configure.in: Remove refs to strerror.
13948 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13949 * system.h: Take out strerror stanza.
13951 * cpperror.c (my_strerror): Delete function.
13952 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13953 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13954 * cppalloc.c: Delete file.
13955 * gen-protos.c: Don't provide xrealloc.
13957 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13958 xstrerror throughout.
13960 2000-02-26 Bruce Korb <bkorb@gnu.org>
13962 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13963 match for DOS headers, too.
13964 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13966 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13968 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13969 is right for most ELF targets.
13970 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13971 Let the default file use %U properly.
13972 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13975 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13978 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13980 * toplev.c (documented_lang_options): Correct spelling error.
13981 (decode_d_option, decode_f_option, main): Likewise.
13983 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13985 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13986 to tell assembler it is permitted to expand large constants.
13988 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13990 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13991 (aux_info_suffix): Use.
13992 (SAVE_SUFFIX): New macro.
13993 (save_suffix): Use.
13994 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13995 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13996 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13998 * invoke.texi (Running Protoize): Update documentation.
14000 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14002 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14004 2000-02-25 John Wehle (john@feith.com)
14006 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14008 2000-02-25 Anthony Green <green@cygnus.com>
14010 * toplev.c (rest_of_compilation): Rebuild jump labels if
14011 combine_instructions has created a new direct jump.
14012 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14014 (combine_instructions): Call try_combine with new argument.
14015 Return non-null value when new direct jump instruction is created.
14016 * rtl.h: combine_instructions returns an int.
14018 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14020 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14021 jump when changing a computed jump into a jump to a known
14024 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14026 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14027 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14029 * i386.md (define_expand "clrstrsi"): Fix typo.
14031 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14033 * rtl.texi: Fix typo.
14035 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14037 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14038 UNITS_PER_WORD. Change caller initial_elimination_offset.
14039 (rounded_frame_size): Take into account that argument pushed has
14040 changed. Fix TARGET_ALIGN_DOUBLE problem.
14042 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14044 * haifa-sched.c (schedule_block): Explain the real reason
14045 we delete REG_SAVE_NOTEs on the first insn of a block.
14046 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14048 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14050 * input.h (push_srcloc): New function.
14051 (pop_srcloc): Likewise.
14052 * toplev.c (push_srcloc): Define it.
14053 (pop_srcloc): Likewise.
14055 2000-02-24 Richard Henderson <rth@cygnus.com>
14057 * flow.c (life_analysis): When collecting reg info, clear
14060 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14062 Fix bug exposed by reload.c no longer rounding the frame
14063 size to BIGGEST_ALIGNMENT:
14064 * sh.c (rounded_frame_size): New function.
14065 (sh_expand_prologue, sh_expand_epilogue): Use it.
14066 (initial_elimination_offset): Likewise.
14068 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14070 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14071 * sh-protos.h (sh_need_epilogue): Declare.
14072 * sh.c (sh_need_epilogue_known): New static variable.
14073 (sh_need_epilogue): New function.
14074 (function_epilogue): Clear need_epilogue_known.
14075 * sh.md (return): Split into expander / insn pattern.
14076 Make the expander conditional on ! sh_need_epilogue ().
14078 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14080 * machmode.h (get_mode_alignment): Declare.
14081 (GET_MODE_ALIGNMENT): Call it.
14082 * stor-layout.c (get_mode_alignment): New function. Make
14083 sure alignment is always power of 2.
14085 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14087 * i386.h: Remove useless definition of "I386" and misleading
14090 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14092 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14093 under which TREE_PERMANENT will be set.
14094 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14095 build1): Use TREE_SET_PERMANENT.
14096 * print-tree.c (print_node): Don't report value of
14097 TREE_PERMANENT if ggc_p is true.
14099 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14100 decide whether to give a type a new alias set.
14101 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14102 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14103 of value of 'obstack'.
14106 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14108 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14110 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14112 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14113 * cpplib.c (cpp_get_token): Produce them.
14114 * cppexp.c (cpp_lex): Handle them.
14116 2000-02-23 Nick Clifton <nickc@cygnus.com>
14118 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14119 comment tests on type attributes.
14121 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14123 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14124 conform to documentation.
14125 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14126 to check for special cases.
14127 * sh-protos.h (sh_loop_align): Declare.
14128 * sh.c (sh_loop_align): Define.
14130 2000-02-22 Andrew Haley <aph@cygnus.com>
14132 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14133 (SIZE_TYPE): Is 32 bits when using -mgp32.
14134 (PTRDIFF_TYPE): Ditto.
14136 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14138 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14140 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14142 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14143 BIGGEST_FIELD_ALIGNMENT a constant.
14145 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14147 * dwarf2out.c (output_line_info): Put the marker for the end of
14148 the line number info at the actual end.
14149 (gen_struct_or_union_type_die): Use decl_function_context
14150 to check for local classes.
14151 * dwarfout.c (output_type): Likewise.
14153 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14155 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14156 for arguments with a mode, but no type.
14157 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14158 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14159 * pa/long_double.h: New file.
14160 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14161 both have 128bit wide long doubles.
14162 * configure: Rebuilt.
14164 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14166 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14168 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14169 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14170 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14172 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14174 * integrate.c (compare_blocks, find_block): Likewise.
14176 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14178 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14180 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14181 expand_asm_operands): Likewise.
14183 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14185 * predict.c (estimate_probability): Added the pointer heuristic to
14186 the collection of static branch predictors.
14188 2000-02-21 Catherine Moore <clm@cygnus.com>
14190 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14191 * invoke.texi (-mfix7000): Document.
14193 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14195 * diagnostic.c (init_output_buffer): Make it possible to output at
14196 least 32 characters if we're given a too long prefix.
14198 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14200 * varasm.c (initializer_constant_valid_p): Call
14201 lang_expand_constant to simplify the constant.
14203 2000-02-20 Bruce Korb <bkorb@gnu.org>
14205 * fixinc/inclhack.def(stdio_va_list):
14206 typedef needs to be disabled.
14207 * fixinc/inclhack.sh: regen
14208 * fixinc/fixincl.x: regen
14210 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14212 * print-rtl.c (print_rtx): Don't print addresses when
14213 flag_dump_unnumbered.
14215 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14217 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14219 (sparc_va_arg, sparc_flat_output_function_prologue,
14220 sparc_flat_output_function_epilogue): Cast value to unsigned in
14222 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14224 * sparc.md: Add default case in switch.
14226 2000-02-19 Richard Henderson <rth@cygnus.com>
14228 * c-typeck.c (add_pending_init): Don't abort for multiple
14229 fields at the same offset.
14230 (pending_init_member): Test the correct member.
14232 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14234 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14236 (start_catch_handler) : Same.
14238 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14240 * Makefile.in: Have flow.o depend on $(EXPR_H)
14242 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14244 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14245 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14246 (finish_decl): Remove -Wlarger-than code from here.
14247 * flags.h (id_clash_len): Now int.
14248 (larger_than_size): Now HOST_WIDE_INT.
14249 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14250 Clean up checking to see if in table.
14251 (make_bit_field_ref): Remove extra parm to bitsize_int.
14252 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14253 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14254 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14255 and for computing size of decl.
14256 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14257 Move -Wlarger-than code to here.
14258 (layout_record): Remove extra arg to bitsize_int.
14259 Set TYPE_BINFO_SIZE_UNIT.
14260 (layout_union): Remove extra arg to bitsize_int.
14261 Use proper type for size of QUAL_UNION.
14262 (layout_type): Remove extra arg to bitsize_int.
14263 * toplev.c (id_clash_len): Now int.
14264 (larger_than_size): Now HOST_WIDE_INT.
14265 (decode_W_option): Clean up id-clash and larger-than- cases.
14266 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14267 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14268 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14269 (struct tree_decl): New field size_unit.
14270 (size_int_wide): No HIGH operand; NUMBER is now signed.
14271 (size_int_2): Deleted.
14272 (size_int, bitsize_int): Don't use it and rework args.
14273 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14275 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14277 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14279 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14281 * invoke.texi (Warning Options): Add an explanation of why
14282 you might want the -Wfloat-equal flag.
14284 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14286 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14287 * cppinit.c (new_pending_define): Add cast to avoid warning.
14288 * expmed.c (extract_bit_field): Likewise.
14289 * flow.c (enum reorder_skip_type): New type.
14290 (skip_insns_between_blcok): New it.
14291 Rework to avoid warning about possibly undefined variable.
14292 * function.c (assign_parms): Make thisparm_boundary unsigned.
14293 * genrecog.c (write_switch): Cast XWINT result to int.
14294 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14295 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14296 one for MIPS and one for Alpha.
14297 (get_tag, copy_object): Add casts to avoid warnings.
14298 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14299 * reload.c (find_reloads): Make TYPE enum reload_type.
14300 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14301 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14302 * varasm.c (compare_constant_1): Add cast to avoid warning.
14303 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14305 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14306 Cast switch operand of size to int.
14307 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14308 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14311 2000-02-18 Nick Clifton <nickc@cygnus.com>
14313 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14314 anything for an alignment of zero.
14316 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14317 anything for an alignment of zero.
14319 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14321 * gcc.texi (Bug Reporting): Refer to bugs.html.
14322 (Bug Lists): Likewise.
14323 * system.h (GCCBUGURL): New preprocessor define.
14324 * rtl.c (fancy_abort): Use it.
14325 * gcc.c (main): Likewise.
14327 2000-02-18 Richard Henderson <rth@cygnus.com>
14329 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14330 (life_analysis_1): Subsume into ...
14331 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14332 Use update_life_info for the relaxation.
14333 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14334 entry and regs_live_at_setjmp.
14335 (set_noop_p): Simplify.
14336 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14337 (record_volatile_insns): Split into ...
14338 (delete_noop_moves): ... here,
14339 (notice_stack_pointer_modification): ... here,
14340 (insn_dead_p): ... and here.
14341 (propagate_block): Don't query INSN_VOLATILE.
14342 (mark_used_regs): Mind !PROP_REG_INFO.
14343 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14344 not in life_analysis.
14346 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14348 * loop.c (canonicalize_condition): New function,
14349 broken out of get_condition.
14350 (get_condition): Use it.
14351 * expr.h (canonicalize_condition): Prototype it.
14353 * tree.h (tree_int_cst_msb): Declare.
14354 * tree.c (tree_int_cst_msb): New function.
14356 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14358 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14361 * invoke.texi (-fmessage-length=n): Document.
14363 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14365 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14367 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14369 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14370 after the prologue.
14372 2000-02-17 Nick Clifton <nickc@cygnus.com>
14374 * config/arm/thumb.c: Replace includes of system headers with
14375 #include "system.h".
14377 2000-02-16 Richard Henderson <rth@cygnus.com>
14379 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14380 Add crtbeginS.o and crtendS.o.
14381 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14382 (ENDFILE_SPEC): Use crtendS.o.
14383 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14385 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14386 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14387 shared and present.
14388 (__dso_handle): New variable.
14389 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14390 bias to __CTOR_END__.
14392 2000-02-16 Richard Henderson <rth@cygnus.com>
14394 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14396 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14398 * longlong.h (__clz_tab): Declare as static to match definition.
14400 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14402 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14403 (XREF_FILE_NAME): Define.
14405 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14406 (EH_FRAME_SECTION_ASM_OP): Define.
14407 (IDENT_ASM_OP): Define.
14408 (TEXT_SECTION_ASM_OP): Define.
14409 (CPP_SPEC): Define.
14410 (CTORS_SECTION_ASM_OP): Define.
14411 (CTOR_SECTION_FUNCTION): Use it.
14412 (DTORS_SECTION_ASM_OP): Define.
14413 (DTOR_SECTION_FUNCTION): Use it.
14415 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14417 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14420 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14421 debug_bb_n): New functions.
14422 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14423 * basic-block.h: Prototype new functions.
14425 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14427 * configure.in: Add support for avr target.
14428 * configure: Rebuilt.
14430 * invoke.texi: Add AVR invocation docs.
14431 * install.texi: Add information about AVR.
14432 * md.texi: Add AVR constraint letters description.
14433 * extend.texi: Add description for AVR specific attributes.
14435 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14437 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14439 2000-02-16 Nick Clifton <nickc@cygnus.com>
14441 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14442 (make_insn_raw): Move RTL check here.
14444 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14446 * version.c: Include gansidecl.h and version.h.
14448 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14450 * configure.in (gcc_version): When setting, narrow search to
14451 lines containing `version_string'.
14453 * Makefile.in (mainversion): Likewise.
14454 (GCC_H): New variable.
14455 (gcc.h): Delete target.
14456 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14457 (version.o): Depend on version.h.
14458 (dbxout.o): Don't depend on gcc.h.
14460 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14461 Michael Meissner <meissner@cygnus.com>
14463 * md.texi (Simple Constraints): Add item about whitespace.
14464 * genoutput.c (strip_whitespace): New.
14465 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14466 strip_whitespace for constraints.
14467 Test pointer using NULL, not 0.
14469 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14471 * cpplib.c (do_line): Pedwarn for #line > 32767.
14473 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14475 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14477 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14478 to default cpp spec.
14479 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14480 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14483 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14486 2000-02-15 Denis Chertykov <denisc@overta.ru>
14488 * configure.in: Add support for avr target.
14490 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14492 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14493 (sh_addr_diff_vec_mode): Don't declare.
14494 * sh.c (sh_addr_diff_vec_mode): Delete.
14496 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14498 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14500 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14502 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14503 (smulsi3_highpart_i): Name.
14504 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14505 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14506 (smulsi3_highpart, umulsi3_highpart): Likewise.
14508 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14509 correctly independent of endianness.
14510 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14511 confuse the optimizers.
14512 (mulsidi3+1, umulsidi3+1): New define_split.
14514 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14516 * config/sh/sh.md: Guard insn splits against illegal registers.
14517 * config/sh/sh.h: Correct comment about macros.
14519 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14520 Andrew MacLeod <amacleod@cygnus.com>
14522 * Makefile.in (lcm.o): Depend on insn-attr.h.
14523 * basic-block.h (optimize_mode_switching): Declare.
14524 * lcm.c (tm_p.h, insn-attr.h): #include.
14525 (seginfo, bb_info): New structs.
14526 (antic, transp, comp, delete, insert) : New file-scope static variables.
14527 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14528 (reg_becomes_live, optimize_mode_switching): Likewise.
14529 * tm.texi: Add description of mode switching macros.
14530 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14532 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14533 (fldi_ok, fpscr_set_from_mem): New prototypes.
14534 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14535 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14536 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14537 (sh_flag_remove_dead_before_cse): Remove declaration.
14538 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14539 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14540 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14541 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14542 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14543 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14544 (fldi_ok): New function.
14545 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14546 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14547 (emit_df_insn): Likewise.
14548 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14549 (sh_flag_remove_dead_before_cse): Delete.
14550 (get_free_reg, fpscr_set_from_mem): New functions.
14551 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14552 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14554 2000-02-15 Loren Rittle <ljrittle@acm.org>
14556 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14558 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14560 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14561 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14563 * cccp.c: Include version.h and/or don't declare `version_string'.
14564 * collect2.c: Likewise.
14565 * alpha.c: Likewise.
14566 * arm/aof.h: Likewise.
14567 * arm/coff.h: Likewise.
14568 * arm/elf.h: Likewise.
14569 * arm/pe.h: Likewise.
14570 * arm/tcoff.h: Likewise.
14571 * arm/telf.h: Likewise.
14572 * arm/tpe.h: Likewise.
14573 * arm/vxarm.h: Likewise.
14574 * convex/convex.c: Likewise.
14575 * i386/dgux.c: Likewise.
14576 * i386/sun386.h: Likewise.
14577 * m88k/m88k.c: Likewise.
14578 * mcore/mcore-pe.h: Likewise.
14579 * mips/mips.h: Likewise.
14580 * romp/romp.h: Likewise.
14581 * sh/sh.c: Likewise.
14582 * cpphash.c: Likewise.
14583 * cppinit.c: Likewise.
14584 * dwarf2out.c: Likewise.
14585 * dwarfout.c: Likewise.
14588 * mips-tfile.c: Likewise.
14589 * protoize.c: Likewise.
14590 * toplev.c: Likewise.
14591 * tree.h: Likewise.
14593 * version.c (version_string): Constify a char*.
14595 * version.h: New file.
14597 2000-02-14 Nick Clifton <nickc@cygnus.com>
14599 * configure.in: Add mcore-elf and mcore-pe targets.
14600 * configure: Regenerate.
14602 * NEWS: Add note that MCore port has been contributed.
14604 * invoke.texi: Document command line switches for MCore port.
14605 * install.texi: Add MCore to list of supported targets.
14607 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14609 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14610 then we will need to import the frame handling functions.
14611 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14612 to import the frames themselves.
14614 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14615 Jason Eckhardt <jle@cygnus.com>
14617 * basic_block.h: Added prototype for reorder_basic_blocks.
14618 * toplev.c: Changes to add -freorder-blocks and graph dump after
14619 block reordering is done.
14620 * flow.c (reorder_block_def): New structure for use during block
14622 (REORDER_BLOCK_*): New macros to access members of above structure.
14623 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14624 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14625 functions for block reordering.
14627 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14629 * gcc.texi (Passes): Fix typo.
14630 * md.texi (Standard Names): Ditto.
14631 * tm.texi (Storage Layout): Ditto.
14633 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14635 * cpplib.c (do_define): Only free the old definition if it
14638 2000-02-13 Neil Booth <NeilB@earthling.net>
14640 * cppfiles.c (read_and_prescan): When emitting deferred
14641 newlines, test speccase[] again instead of checking each
14642 possible whitespace character in turn. When we encounter \r,
14643 look behind for \n first, then ahead.
14645 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14647 * cse.c (cse_altered): New internal flag.
14648 (cse_insn): Set it if we changed an insn.
14649 (cse_main): Clear cse_altered before each basic block.
14650 Only garbage collect if cse_altered is true afterward.
14652 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14654 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14656 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14658 * combine.c (simplify_comparison): Fix typo.
14660 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14662 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14665 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14667 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14668 previously inserted node instead of root node. Caller changed.
14670 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14672 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14674 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14676 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14677 __dereg_frame_dtor): Add prototype argument.
14679 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14681 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14683 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14685 * gthr-vxworks.h (__gthread_once): Likewise.
14687 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14689 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14691 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14692 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14693 stack pointer in functions w/o saved registers, output LEAVE more often
14694 on TARGET_USE_LEAVE machines.
14696 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14698 * config/arm/arm.c (arm_init_cumulative_args); New function:
14699 Initlaise the CUMULATIE_ARGS strcuture for a function
14701 (arm_function_arg): New function: Determine where to place a
14702 function's argument. Also handles deciding the function's
14704 (current_file_function_operand): New function: Return true if
14705 the symbol is a function which has already been compiled.
14706 (arm_is_long_call_p): New function: Return true if the
14707 indicated function should be called via a long call.
14708 (arm_valid_type_attribute_p): New function: Return true if the
14709 attribute is a valid, arm specific, attribute.
14710 (arm_comp_type_attribute): New function: Return true if the
14711 two types have compatable, arm specific, attributes.
14713 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14715 (FUNCTION_ARG): Redefine to call arm_function_arg.
14716 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14718 (INIT_CUMULATIVE_ARGS): Redefine to call
14719 arm_init_cumulative_args.
14720 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14722 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14724 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14726 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14727 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14728 (COMP_TYPE_ATTRIBUTES): Define.
14730 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14731 if a long call is needed.
14732 (call_value): Call arm_is_long_call_p to decide if a long call
14734 (call_symbol): Call arm_is_long_call_p to decide if a long call
14737 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14739 2000-02-11 Denis Chertykov <denisc@overta.ru>
14741 * README.AVR: New file with information about the avr ports.
14742 * config/avr: New directory with avr port files.
14744 2000-02-11 Andreas Jaeger <aj@suse.de>
14746 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14748 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14750 * cpphash.c: Fix formatting, update commentary.
14751 (dump_definition): Take three separate arguments instead of a
14752 MACRODEF structure argument.
14753 * cpphash.h: Update prototype of dump_definition.
14754 * cppinit.c (cpp_finish): Update call of dump_definition.
14756 * cpplib.c (do_define): Always create new hash entry with
14757 T_MACRO type. Remove redundant check for redefinition of
14758 poisoned identifier. Update call of dump_definition.
14759 (do_undef): Don't call check_macro_name. Rename sym_length to
14761 (do_error, do_warning): Don't use copy_rest_of_line or
14763 (do_warning): Don't use pedwarn for the actual warning,
14764 only the notice about its not being in the standard. (Fixes
14765 bug with #warning in system headers.)
14766 (do_ident): Stricter argument checking - accept only a single
14767 string after #ident. Also, macro-expand the line.
14768 (do_xifdef): Use cpp_defined. De-obfuscate.
14770 (do_pragma): Split out specific pragma handling to separate
14771 functions. Use get_directive_token. Update commentary. Do
14772 not pass on #pragma once or #pragma poison to the front end.
14773 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14774 do_pragma_default): New.
14776 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14778 * jump.c (jump_optimize_1): The first operand in a relational
14779 can be a CONST_INT.
14780 * optabs.c (emit_conditional_move): Handle relationals which
14781 have a known true/false result.
14783 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14785 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14786 a RETURN insn into a block which already ends with a jump.
14788 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14790 * haifa-sched.c (BUF_LEN): Increase a lot.
14792 2000-02-11 Nick Clifton <nickc@cygnus.com>
14794 * configure.in: Add tm_p_file specification for thumb targets.
14795 * configure: Regenerate.
14797 * config/arm/thumb-protos.h: New file: Prototypes for exported
14798 functions defined in thumb.c.
14800 2000-02-11 Robert Lipe <robertl@sco.com>
14802 * Makefile.in (bootstrap-lean): Remove additional files.
14803 (bootstrap2-lean): Likewise.
14804 (VOL_FILES): List of files for above.
14806 2000-02-11 Nathan Sidwell <nathan@acm.org>
14808 * cpphash.c (special_symbol): Remove spurious argument to
14811 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14813 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14815 * configure: Rebuilt.
14817 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14819 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14821 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14823 * pa.c, pa.h: Remove trigraph sequences within comments.
14825 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14827 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14829 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14831 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14833 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14835 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14837 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14839 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14840 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14841 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14842 (ASM_FILE_END): Use c4x_file_end.
14843 * config/c4x/c4x.c (c4x_global_label): New function.
14844 (c4x_external_ref, c4x_file_end): Likewise.
14846 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14847 (c4x_external_ref, c4x_end_file): Likewise.
14849 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14851 * cppexp.c: Don't include cpphash.h.
14852 (parse_charconst, cpp_lex): Use cpp_defined.
14853 (cpp_lex): Use get_directive_token throughout. Remove
14854 unnecessary cases from switch. Move assertion-handling code
14855 down to OTHER case.
14856 (cpp_parse_expr): If we see '+' or '-', check the context to
14857 determine if they are unary or binary operators. Streamline
14858 the jumps a bit. Do not call skip_rest_of_line.
14860 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14861 static. Export get_directive_token. Update commentary.
14862 (cpp_defined): New function.
14863 (do_define): Remove reference to T_PCSTRING. Call
14864 free_definition to release memory for old definition, when
14865 redefining a macro.
14866 (eval_if_expression): Set only_seen_white to 0 before calling
14867 cpp_parse_expr. Call skip_rest_of_line after it returns.
14868 (cpp_read_check_assertion): Don't preserve a pointer into the
14869 token buffer across a call to cpp_get_token.
14871 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14872 * cppfiles.c (redundant_include_p): Use cpp_defined.
14873 * cpphash.c (free_definition): New function.
14874 (delete_macro): Use it. Update commentary.
14875 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14877 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14878 from enum node_type. Prototype cpp_defined and get_directive_token.
14879 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14881 * fix-header.c (check_macro_names): Use cpp_defined.
14882 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14883 the options structure.
14885 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14887 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14889 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14891 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14892 rather than die->die_tag.
14894 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14896 * combine.c (make_extraction, force_to_mode): Avoid warning on
14897 mixed-signedness conditionals.
14898 (make_field_assignment, nonzero_bits): Likewise.
14899 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14900 (store_split_bit_field, extract_split_bit_field): Likewise.
14901 (extract_fixed_bit_field, store_bit_field,
14902 * expr.c: Change alignment to be unsigned everywhere.
14903 (move_by_pieces, store_constructor_field, store_constructor):
14904 Alignment parm is unsigned.
14905 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14906 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14907 (do_compare_rtx_and_jump): Likewise.
14908 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14909 Compare align with GET_MODE_ALIGNMENT.
14910 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14911 (get_inner_reference): Likewise.
14912 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14913 (expand_assignment): Local vars for alignment now unsigned.
14914 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14915 (do_compare_and_jump): Likewise.
14916 (store_field): Call new function expr_align.
14917 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14918 Alignment arg now unsigned.
14919 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14920 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14921 (extract_bit_field): Likewise.
14922 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14923 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14924 (get_best_mode): Alignment arg is unsigned.
14925 * rtl.h (move_by_pieces): Likewise.
14926 * store-layout.c (maximum_field_alignment, set_alignment):
14928 (layout_decl): Alignment arg is now unsigned.
14929 Remove unneeded casts.
14930 (layout_record, layout_union, layout_type): Remove unneeded casts.
14931 Local alignment variables now unsigned.
14932 (get_best_mode): Alignment arg now unsigned.
14933 * tree.c (expr_align): New function.
14934 * tree.h (expr_align): Likewise.
14935 (maximum_field_alignment, set_alignment): Now unsigned.
14936 (get_inner_reference): Alignment argument is now pointer to unsigned.
14937 * varasm.c (assemble_variable): Add cast to eliminate warning.
14939 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14941 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14942 then store directly into op0.
14944 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14945 the CALL_INSN, and emit the note immediately after it.
14947 2000-02-10 Nick Clifton <nickc@cygnus.com>
14949 * config/arm/thumb.md (epilogue): Include a (return) in the
14950 generated insn, and emit it using emit_jump_insn not
14953 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14955 * function.c (assign_temp): Change zero-sized arrays to size 1.
14956 * integrate.c (expand_inline_function): Do not update
14957 stack_alignment_needed
14958 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14959 add some sanity checking, remove optimization for function with
14962 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14964 * flow.c (mark_regs_live_at_end): Delete unused variables.
14966 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14968 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14969 in macro FRAME_GROWS_DOWNWARD.
14971 * stmt.c (expand_end_bindings): Delete unused variable.
14973 * unroll.c (iteration_info): Mark parameter `loop' with
14976 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14978 * fixinc/server.c (load_data): Return NULL if the marker line is
14980 (run_shell): If load_data returns NULL, retry the command once, in
14983 * configure: Rebuilt.
14985 2000-02-09 Bruce Korb <bkorb@gnu.org>
14987 * gcc/fixincludes: ** DELETED **
14988 * gcc/fixcpp: ** DELETED **
14989 * gcc/fixinc-nt.sed: ** DELETED **
14990 * gcc/just-fixinc: ** DELETED **
14991 * gcc/Makefile.in: Removed out-dated commentary
14992 * gcc/configure.in: Removed fast-fixincludes disablement.
14993 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14995 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14996 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14999 2000-02-09 Richard Henderson <rth@cygnus.com>
15001 * jump.c (delete_insn): Don't delete user labels at -O0.
15003 2000-02-09 Robert Lipe <robertl@sco.com>
15005 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15006 Don't link with HOST_LIBS.
15008 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15010 * configure.in: Correct --help text for --with-dwarf2.
15011 Put tm-dwarf2.h after other tm files, if it's requested.
15012 * configure: Regenerate.
15013 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15016 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15018 * cpplib.h: Provide HASHNODE typedef and forward decl of
15019 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15020 DEFINITION, struct hashnode, struct macrodef, struct
15021 definition, scan_decls prototype, default defn of
15022 INCLUDE_LEN_FUDGE moved elsewhere.
15024 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15025 definition, and struct hashnode moved here. Remove the unused
15026 'predefined' field from struct definition. Replace the 'args'
15027 union with its sole member. All users updated (cpphash.c).
15028 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15029 multiple include guard.
15031 * cpphash.c (hashf): Make static; use better algorithm; drop
15032 HASHSIZE parameter; return an unsigned int.
15033 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15034 used. Calculate HASHSIZE modulus here.
15035 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15037 (create_definition): Drop PREDEFINITION parameter.
15038 * cpplib.c (do_define): Don't calculate a hash value here.
15039 Don't pass (keyword == NULL) to create_definition.
15041 * scan.h: Prototype scan_decls here.
15042 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15043 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15044 callers of cpp_lookup and cpp_install updated.
15046 * cpphash.c (macarg): Hoist all the flag diddling out of the
15048 (macroexpand): ... and out of the loop that calls macarg.
15049 Skip over the initial paren before macro arguments with
15050 cpp_get_non_space_token; point may be some distance before
15051 that paren. Abort if it's not there.
15053 * cpplib.c (parse_clear_mark): Delete function.
15054 (parse_set_mark, parse_goto_mark): Make static.
15055 (ACTIVE_MARK_P): New macro.
15056 (skip_block_comment, skip_line_comment): Do not bump the line
15057 if ACTIVE_MARK_P is true.
15058 (cpp_pop_buffer): The buffer to be popped may not have an
15060 (cpp_get_token): When looking for the initial paren before
15061 macro arguments, only set a mark in a file buffer, Always
15062 return to that mark before proceeding to call macroexpand or
15063 return a NAME token.
15065 * cpplib.h: Remove prototypes of parse_set_mark,
15066 parse_clear_mark, parse_goto_mark.
15067 (struct cpp_options): Rename 'put_out_comments' to
15068 'discard_comments' and invert its sense.
15069 * cppinit.c, cpphash.c, cpplib.c: All users of
15070 put_out_comments changed to use discard_comments, with
15073 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15075 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15076 the edge from a block that both jumps and falls through to the
15079 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15081 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15082 constant source address is legitimate.
15084 2000-02-09 Philip Blundell <pb@futuretv.com>
15086 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15089 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15091 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15093 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15095 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15096 ends with a newline and a NUL. Don't be so clever manipulating
15099 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15101 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15102 not to BIGGEST_ALIGNMENT.
15104 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15106 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15107 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15108 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15109 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15110 * frame.c (execute_cfa_insn): Handle
15111 DW_CFA_GNU_negative_offset_extended.
15113 2000-02-08 Richard Henderson <rth@cygnus.com>
15115 * flow.c (tidy_fallthru_edges): Split out from ...
15116 (delete_unreachable_blocks): ... here.
15117 (find_basic_blocks): Use it.
15119 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15121 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15123 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15125 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15126 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15127 (fix-header.o): Don't depend on cpphash.h.
15129 * scan.c (hashstr): New function.
15130 * scan.h: Prototype it.
15131 * fix-header.c: Don't include cpphash.h. Use hashstr.
15132 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15133 hashstr. Report hash table statistics. Add private
15134 definition of xrealloc.
15136 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15138 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15140 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15142 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15143 jumps with returns unless they are jumps to the fallthru block.
15145 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15147 * i386.md (addqi3_cc): Fix contraints.
15149 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15151 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15153 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15155 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15156 carriage return after a macro name.
15158 2000-02-07 Fred Fish <fnf@be.com>
15160 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15161 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15163 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15165 * cppfiles.c (deps_output): Count spacers in deps_column.
15167 2000-02-07 Neil Booth <NeilB@earthling.net>
15169 * cppinit.c (initialize_dependency_output): If there is no
15170 suffix, don't try to look for known suffixes. Use strrchr.
15171 (cpp_start_read): Remove duplicate initialization.
15173 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15175 * calls.c (compute_argument_block_size): New argument
15176 preferred_stack_boundary.
15177 (expand_call): update cfun->preferred_stack_boundary, update call of
15178 compute_argument_block_size
15179 (emit_library_call): Increate cfun->preferred_stack_boundary
15180 to PREFERRED_STACK_BOUNDARY
15181 (emit_library_call_value): Likewise.
15182 * explow.c (allocate_dynamic_stack_spave): Likewise.
15183 * function.c (prepare_function_start): Set
15184 cfun->preferred_stack_boundary
15185 * function.h (struct function): Add preferred_stack_boundary field.
15186 * integrate.c (expand_inline_function): Update
15187 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15188 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15189 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15191 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15193 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15194 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15195 cpp_pedwarn, cpp_pedwarn_with_line,
15196 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15197 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15198 v_cpp_error_with_line, v_cpp_warning_with_line,
15199 cpp_message_from_errno, cpp_perror_with_name): Delete.
15201 * cpperror.c (cpp_print_containing_files): Take starting
15202 buffer as argument.
15203 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15204 (v_cpp_message): Now called directly by all entry points.
15206 (cpp_pfatal_with_name, cpp_message): Delete.
15207 (cpp_notice_from_errno, cpp_ice): New functions.
15208 (cpp_notice): Is now for reporting error conditions, just
15209 without an associated file.
15210 (cpp_error, cpp_error_with_line): Don't do anything if
15211 opts->inhibit_errors is on.
15212 (cpp_pedwarn_with_file_and_line): Take column argument also.
15214 * cpplib.h: Update prototypes of exported functions.
15215 (struct cpp_options): Add inhibit_errors.
15217 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15218 non-error messages. Include intl.h.
15220 * cppinit.c, cppmain.c: Likewise. Also, use
15221 cpp_notice_from_errno instead of cpp_perror_with_name or
15222 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15224 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15225 report internal errors.
15227 * cpplib.c (do_define): Switch bcopy to memcpy.
15228 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15230 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15231 bail out early if we hit a line comment.
15233 2000-02-06 Richard Henderson <rth@cygnus.com>
15235 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15236 * basic-block.h: Declare them.
15237 * emit-rtl.h (active_insn_p): New.
15238 (next_active_insn, prev_active_insn): Use it.
15239 * rtl.h: Declare it.
15240 * function.c (emit_return_into_block): New.
15241 (thread_prologue_and_epilogue_insns): Insert return insns instead
15242 of epilogues when possible.
15243 * jump.c (jump_optimize_1): Remove code to insert a return insn
15244 on the fallthru to the exit block.
15246 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15247 and for non-empty stack frames.
15248 * i386.md (return): Expand to return-pop as needed.
15250 2000-02-06 Richard Henderson <rth@cygnus.com>
15252 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15253 constant to op1 for testing.
15255 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15257 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15258 (fixuns_truncqfqi2): Use it.
15260 2000-02-06 Richard Henderson <rth@cygnus.com>
15262 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15263 as a TYPE_LEA insn.
15265 * i386.md (widening and peepholes): Mask the constant instead of
15268 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15270 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15271 input pointer before possibly branching off to the backslash
15273 * cpphash.c (macroexpand): Correctly delete \r escapes when
15274 stringifying parameters.
15275 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15276 if we can; bail out early if we hit a line comment.
15277 (handle_directive): Treat '# 123' in an .S file just like
15278 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15279 Return 1 for '# not_a_directive'.
15280 (get_directive_token): Pop macro buffers here, so that
15281 cpp_get_token can't sneakily move past a newline.
15283 (cpp_get_token): goto randomchar if handle_directive returns 0.
15285 * cppalloc.c: Update copyright.
15286 * cpplib.c: Merge all the static function prototypes into one
15288 * cpplib.h: Remove #if 0 block.
15290 * cpperror.c: Remove #ifdef EMACS block.
15291 * cppmain.c: Likewise.
15292 * cpphash.c: Remove #if 0 blocks.
15293 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15294 * cpplib.c: Remove #if 0 blocks and code referencing
15295 pcp_inside_if or for_lint. Remove duplicate error message.
15296 Fix error messages for #else after #else or #elif. Reformat.
15297 Remove archaic TODO list.
15298 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15300 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15302 * i386/osf1elf.h: Add missing backslash to multiline string.
15304 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15306 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15308 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15310 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15312 * c-common.c: Include expr.h.
15314 * c-pragma.c (mark_align_stack): Add prototype.
15316 * caller-save.c (add_stored_regs): Likewise.
15318 * combine.c (record_promoted_value): Likewise.
15320 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15323 * cppinit.c (new_pending_define): Likewise.
15325 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15327 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15328 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15329 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15330 class_scope_p): Likewise.
15332 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15333 dwarf2out_add_library_unit_info): Likewise.
15335 * ggc.h (ggc_page_print_statistics): Likewise.
15337 * haifa-sched.c (propagate_deps): Likewise.
15339 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15341 * rtl.h (set_stack_check_libfunc): Likewise.
15343 * toplev.h (set_fatal_function): Likewise.
15345 * toplev.c (set_fatal_function): Delete prototype.
15347 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15349 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15351 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15352 (FUNC_END): Likewise.
15354 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15356 * caller-save.c: Include tm_p.h.
15358 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15360 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15362 2000-02-04 Neil Booth <NeilB@earthling.net>
15364 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15367 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15369 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15370 * genflags.c: Use the max_operand_1 logic from genemit.c to
15371 calculate how many arguments gen_insn prototypes have. Remove
15372 NO_MD_PROTOTYPES ifdefs from the generated file.
15373 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15374 file. Cast gen_insn initializers to insn_gen_fn.
15375 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15376 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15378 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15380 * fixinc/Makefile.in (HDR): Add machname.h.
15383 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15385 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15386 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15387 (c4x_cpu_version): Ditto.
15388 * config/c4x/c4x-protos.h: ... here.
15390 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15392 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15393 gen_abstract_function on our context if we're a nested function.
15395 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15397 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15398 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15400 2000-02-04 Bruce Korb <bkorb@gnu.org>
15402 * fixinc/genfixes(machname.h):
15403 Move the functionality from gen-machine.h into this file.
15404 UNdef MN_NAME_PAT if there are no names to change.
15405 Also, be a little kinder when AutoGen is not present.
15407 * fixinc/Makefile.in(machname.h):
15408 Change the generation rule to use genfixes.
15410 * fixinc/fixfixes.c(machine_name):
15411 machine_name_fix's functionality now dependent upon whether
15412 MN_NAME_PAT is defined.
15414 * fixinc/fixtests.c(machine_name):
15417 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15420 * fixinc/fixlib.h(mn_get_regexps):
15423 * fixinc/gen-machine.h: DELETED
15425 2000-02-04 Jan Hubicka <jh@suse.cz>
15426 Richard Henderson <rth@cygnus.com>
15428 * i386.c (SAVE_REGS_FIRST): Remove.
15429 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15430 (ix86_compute_frame_size): Likewise.
15431 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15432 (ix86_emit_restore_regs): Remove.
15433 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15434 when a frame pointer is in use.
15435 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15436 instead of pop to restore a register when profitable; emit leave
15438 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15439 as a TYPE_LEA insn.
15440 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15441 * i386.md (prologue_allocate_stack): Remove.
15442 (epilogue_deallocate_stack): Remove.
15443 (pro_epilogue_adjust_stack): New.
15445 2000-02-04 Richard Henderson <rth@cygnus.com>
15447 * function.c (diddle_return_value): Rework to use a callback function.
15448 Use current_function_return_rtx if it's been set up.
15449 (do_clobber_return_reg, clobber_return_register): New.
15450 (do_use_return_reg, use_return_register): New.
15451 (expand_function_end): Use them.
15452 * stmt.c (expand_null_return): Likewise.
15453 * function.h: Declare them.
15454 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15455 (mark_reg): Change arguments as appropriate for callback.
15456 * integrate.c (expand_inline_function): Revert 19 Jan change.
15458 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15460 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15461 (Misc): Say the scheduler, not the Haifa scheduler.
15463 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15465 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15466 when in_mem is set. Update all callers.
15468 2000-02-04 Richard Henderson <rth@cygnus.com>
15470 * i386/openbsd.h (INT_ASM_OP): Define.
15472 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15474 * tm.texi: Fix various typos.
15476 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15478 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15479 (MD_STARTFILE_PREFIX_1): New macro.
15481 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15483 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15484 destination when needed.
15485 (strmovsi, strsetsi): New expander.
15486 (strmovsi_1, strsetsi_1): New pattern.
15487 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15488 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15489 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15490 * invoke.texi (align-stringops, inline-all-stringops): Document.
15492 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15494 * i386/netbsd.h (INT_ASM_OP): Define.
15496 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15498 * cpplib.h (cpp_reader): Add new flag, no_directives.
15499 * cpphash.c (macarg): Set it.
15500 * cpplib.c (handle_directive): If no_directives is on and we
15501 find a directive, issue an error and discard the line.
15503 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15505 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15506 FP constants. Add ! TARGET_FPU check for FP constants.
15508 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15510 * flow.c (find_basic_blocks): Don't kill label_value_list
15512 (cleanup_cfg): Kill it here.
15514 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15516 * expr.c (store_field): Ensure ALIGN is no stricter than the
15519 2000-02-02 Richard Henderson <rth@cygnus.com>
15521 * jump.c (delete_insn): Partially revert 19 Jan change;
15522 don't convert unused code labels to notes at -O0.
15524 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15526 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15527 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15529 2000-02-01 Richard Henderson <rth@cygnus.com>
15531 * i386.c (general_no_elim_operand): New.
15532 (nonmemory_no_elim_operand): New.
15533 (ix86_expand_move): Copy eliminable operands before a push.
15534 * i386-protos.h: Declare new functions.
15535 * i386.h (CAN_ELIMINATE): Simplify.
15536 (PREDICATE_CODES): Update.
15537 * i386.md (push insns): Don't allow eliminable register operands.
15539 2000-02-01 Richard Henderson <rth@cygnus.com>
15541 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15542 replace BLKmode with DECL_RTL's mode.
15544 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15546 * frame.c (find_fde): Convert for loop to do-while so compiler
15547 sees it's always executed at least once.
15548 * libgcc2.c (BBINBUFSIZE): Kill.
15549 (__bb_init_prg): Use fgets.
15550 (__bb_exit_trace_func): Don't paste strings.
15551 * unroll.c (unroll_loop): Initialize unroll_type, not
15552 unroll_number, and tweak logic to match.
15554 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15556 (ix86_flags_dependant): Likewise. Disentangle control flow.
15557 (ix86_sched_reorder): Break guts out to
15558 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15559 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15562 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15563 use string concatenation. Don't save and restore esi.
15565 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15566 (machname.h): Remove script to separate file. Use two-step
15567 sequence so target is not created if script fails.
15568 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15569 identifiers are defined.
15570 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15571 an empty string, machine_name doesn't need to do anything at
15573 (is_cxx_header): Add more cases to regexp.
15574 * fixinc/fixlib.h: Update prototype.
15575 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15577 * fixinc/fixincl.c: Define NO_BOGOSITY.
15579 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15580 (hp_sysfile): Add missing comma.
15581 (math_exception): Put the wrapper ifdefs at the beginning and
15582 the end of the file.
15583 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15585 2000-02-01 Richard Henderson <rth@cygnus.com>
15587 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15588 Use CONST0_RTX. Update all callers.
15589 * sparc.h, sparc-protos.h: Update accordingly.
15590 * sparc.md (fp mov insns): Use fp_zero_operand directly
15593 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15595 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15598 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15600 * Makefile.in (specs.ready): New target.
15601 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15603 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15605 * fixinc.irix: Use unique filenames for writing into /tmp,
15606 * fixinc.ptx: Likewise.
15607 * fixinc.sco: Likewise.
15608 * fixinc.svr4: Likewise.
15609 * fixinc.winnt: Likewise.
15611 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15613 * tsystem.h: New file.
15615 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15616 s-crtS): Depend on tsystem.h.
15618 * crtstuff.c: Include tsystem.h.
15619 * frame.c: Likewise.
15620 * libgcc2.c: Likewise.
15622 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15624 * builtins.c (expand_builtin_memset): Expand for variable sized
15627 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15629 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15632 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15634 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15636 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15638 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15640 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15641 case 3->2 combining (combining with splitting) in which 2 is CC0
15642 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15643 checked at the begining of the function with the aid of calling
15644 function 'can_combine_p'.
15646 2000-01-31 Dave Brolley <brolley@redhat.com>
15648 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15650 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15652 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15655 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15657 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15659 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15662 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15664 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15665 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15666 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15667 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15668 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15669 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15670 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15671 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15672 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15673 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15675 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15676 Add %(cpp_cpu) to CPP_SPEC.
15678 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15679 Add %(cc1_cpu) to CC1_SPEC.
15681 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15683 * c-decl.c (c_decode_option): Accept optional numeric argument to
15684 -Wformat and set warn_format.
15685 * c-common.c: Don't emit warning about non-constant printf format
15686 string unless warn_format > 1.
15688 2000-01-30 Richard Henderson <rth@cygnus.com>
15690 * alpha.md (return_internal): Allow after reload only.
15692 2000-01-30 Richard Henderson <rth@cygnus.com>
15694 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15695 local frame size is zero.
15697 2000-01-30 Richard Henderson <rth@cygnus.com>
15699 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15700 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15701 * alpha.md (return): Turn into an expander.
15702 (return_internal): Don't use $26.
15703 (epilogue): Emit the return insn.
15705 2000-01-30 Richard Henderson <rth@cygnus.com>
15707 * alpha.md (negtf2, abstf2): Fix word order thinko.
15708 (extendsftf2): New.
15709 (trunctfsf2): Avoid intermediate rounding errors.
15711 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15713 * cppfiles.c (find_position): Drop 'colp' argument, return the
15715 (read_and_prescan): Adjust to match. Don't ever manipulate
15716 line or line_base except via find_position.
15718 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15720 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15721 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15724 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15726 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15727 just print "<command line>". If 'filename' is null or an
15728 empty string, print "<stdin>" for the filename.
15729 * cpplib.c (do_define): Don't print the 'location of the
15730 previous definition' message if we're still parsing the
15732 (cpp_pedwarn_with_file_and_line): Always call
15733 cpp_file_line_for_message.
15735 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15737 * flow.c (mark_regs_live_at_end): Fix typo.
15739 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15741 * c-common.c: Adjust variable names, comments, help strings to c99.
15742 * c-lex.c: Likewise.
15743 * c-parse.y: Likewise.
15744 * c-tree.h: Likewise.
15745 * cccp.c: Likewise.
15746 * cpplib.h: Likewise.
15747 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15748 * cppinit.c: Likewise.
15750 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15752 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15753 * c4x.c: Define the optab rtx values.
15754 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15755 (c4x_emit_libcall): Use new optab rtx values.
15756 (c4x_emit_libcall3): Likewise.
15757 (c4x_emit_libcall_mulhi): Likewise.
15758 * c4x-protos.h: Add prototypes for optab rtx values and change
15759 prototypes for above c4x_emit_libcall functions.
15761 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15763 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15765 (c4x_function_prologue): Use regnames intead of float_reg_names when
15767 (c4x_function_epilogue): Likewise.
15768 (c4x_print_operand): Likewise.
15769 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15770 * c4x.md (set_high): Disable for TARGET_TI.
15772 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15774 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15775 of framepointer + constant to ADDR_REGS class.
15776 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15777 * c4x.c (std_or_reg_operand): New function.
15778 * c4x-protos.h (std_or_reg_operand): Prototype it.
15780 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15782 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15783 object names as libgcc2.c.
15784 * libgcc.S: Use newly defined names.
15786 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15787 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15789 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15790 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15791 (FLOW_LOOP_LAST_BLOCK): Likewise.
15793 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15795 * basic-block.h (struct loop): New fields 'first' and 'last'.
15796 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15797 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15798 and loop->last to check for NOTE_INSN_LOOP_END.
15800 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15802 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15803 of the loop descriptor rather than HEADER and LATCH. Also added
15804 missing break statements as well making some coding style modifications
15805 as suggested by Michael Hayes.
15807 2000-01-28 Richard Henderson <rth@cygnus.com>
15809 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15810 Break out that code ...
15811 (cleanup_cfg): ... here.
15812 (commit_one_edge_insertion): Detect a return instruction being
15813 emitted to an edge. Emit a barrier following; clear fallthru.
15814 (commit_edge_insertions): Verify CFG consistency.
15815 * function.c (expand_function_start): Kill unused variable.
15816 (expand_function_end): Likewise.
15817 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15818 to insert the epilogue.
15820 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15821 (delete_null_pointer_checks): Likewise.
15822 * output.h: Likewise.
15823 * reg-stack.c (reg_to_stack): Likewise.
15824 * toplev.c (rest_of_compilation): Likewise. Run
15825 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15827 2000-01-28 Richard Henderson <rth@cygnus.com>
15829 * Makefile.in (flow.o): Revert 24 Jan change.
15830 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15831 FUNCTION_VALUE result to DECL_RESULT's mode.
15833 * haifa-sched.c (schedule_insns): Don't recompute reg info
15836 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15838 * configure.in: Make --enable-cpplib the default.
15839 * configure: Regenerate.
15840 * gcc.dg/990119-1.c: No longer expected to fail.
15842 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15844 * jump.c (jump_optimize_1): Delete an optimization that is also done
15845 by merge_blocks in flow.
15847 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15849 * diagnostic.c (build_message_string, output_printf,
15850 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15851 (build_location_prefix): Fix non-literal format string.
15853 2000-01-27 Richard Henderson <rth@cygnus.com>
15855 * alpha.md (trunctfsf2): New.
15857 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15859 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15861 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15863 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15865 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15867 (skip_comment) ... here. Permit C++ comments in system
15868 headers always. Warn about C++ comments in user code under
15869 -std=gnu89 -pedantic.
15870 (copy_comment): Use skip_comment.
15871 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15873 (consider_directive_while_skipping, do_else, do_endif): Call
15874 validate_else unconditionally.
15875 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15876 text after the conditional in a system header.
15877 * cpplib.h (struct cpp_buffer): Add flag
15878 warned_cplusplus_comments.
15880 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15882 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15883 Use unshare_all_rtl_1.
15884 (unshare_all_rtl_again): New function.
15885 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15887 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15888 rather than resetting the 'used' flags ourself.
15890 * toplev.c (rest_of_compilation): Add current_function_decl
15891 to the unshare_all_rtl call.
15892 * tree.h: Prototype unshare_all_rtl.
15893 * rtl.h: Prototype unshare_all_rtl_again here.
15895 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15897 * genoutput.c (output_prologue): Include ggc.h in generated
15899 * Makefile.in (insn-output.o): Depends on ggc.h.
15901 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15902 Hans-Peter Nilsson <hp@bitrange.com>
15904 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15905 Remove redundant include of xm-ns32k.h.
15906 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15907 Remove redundant include of xm-ns32k.h.
15908 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15909 Remove redundant include of xm-ns32k.h.
15910 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15912 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15913 (TARGET_SWITCHES): Add documentation strings.
15914 (DWARF_FRAME_REGNUM): Override default definition.
15915 (REG_CLASS_CONTENTS): Add comments.
15916 (SUBSET_P): Format to reduce line length.
15917 (SMALL_REGISTER_CLASSES): Make a run time option.
15918 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15919 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15920 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15921 (regclass_map): fix typo in comment.
15922 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15923 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15924 (trace, reg_or_mem_operand): Delete, unused function.
15925 (calc_address_cost): Small offsets are cheaper than large ones.
15926 (expand_block_move): Generate more efficient code when bytes is a
15927 known at compile time.
15928 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15929 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15930 instead of reg_or_mem_operand.
15932 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15933 not general_operand. Similarly use "=rm" or stricter, not "=g".
15934 For input operands, use stricter constraints than "g" if not
15935 general_operand. Similarly use stricter predicate than
15936 "general_operand" when stricter constraints than "g" are present,
15937 except for matching constraints.
15938 (movstrsi): Use "memory_operand" for operands 0 and 1.
15939 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15940 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15941 not reg_or_mem_operand.
15942 (udivmoddisi4): Ditto.
15943 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15944 Use nonimmediate_operand for operand 3, not register_operand.
15945 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15946 reg_or_mem_operand.
15948 2000-01-27 Fred Fish <fnf@be.com>
15950 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15951 * gthr-single.h: Likewise.
15952 * gthr-solaris.h: Likewise.
15953 * gthr-vxworks.h: Likewise.
15954 * gthr-win32.h: Likewise.
15955 * gthr.h: Likewise.
15957 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15959 * cppinit.c: Add " (cpplib)" to end of string printed by
15962 2000-01-27 Richard Henderson <rth@cygnus.com>
15964 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15965 testing for a signed comparison.
15966 (alpha_emit_floatuns): New.
15967 * alpha-protos.h: Declare it.
15968 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15969 (extendsfdf2): Tidy.
15971 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15973 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15974 no -g option specifying debugging format, default to -gstabs+.
15976 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15978 * calls.c (special_function_p): New argument fork_or_exec.
15979 (expand_call): When profile_arc_flag is set and the function
15980 is in the fork_or_exec group, call __bb_fork_func first.
15981 * libgcc2.c, _bb module (__bb_fork_func): New function.
15982 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15984 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15985 * tree.h (special_function_p): Update prototype.
15987 2000-01-26 Richard Henderson <rth@cygnus.com>
15989 * alpha.c (alpha_split_tfmode_pair): New.
15990 * alpha-protos.h: Declare it.
15991 * alpha.md (abstf2, negtf2): New.
15992 (movtf insn): Add input G constraint.
15993 (movtf splitter): Use alpha_split_tfmode_pair.
15995 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15997 * i386/cygwin.h: PROTO -> PARAMS.
15999 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16001 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16002 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16003 using _Qp_cmp/_Q_cmp and testing the return value.
16004 (print_operand): Call reverse_condition_maybe_unordered if
16005 we are handling CCFPmode or CCFPEmode.
16006 Handle ORDERED, UN* and LTGT comparisons.
16007 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16008 if not TARGET_HARD_QUAD.
16009 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16010 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16011 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16012 Adjust gen_b* calls so that they reflect return comparison of
16013 sparc_emit_float_lib_cmp.
16015 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16017 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16018 incoming operands array is large enough for one more operand.
16019 (alpha_emit_xfloating_arith): Likewise.
16021 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16023 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16024 file with one line and no trailing newline.
16025 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16026 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16027 checking if the match is on the line.
16028 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16030 2000-01-25 Richard Henderson <rth@cygnus.com>
16032 * sparc.c (output_cbranch): Fix accidental squashing of the
16033 fp branch pre-delay nop.
16035 2000-01-25 Richard Henderson <rth@cygnus.com>
16037 * tree.def (UNNE_EXPR): Remove.
16038 * c-typeck.c (build_binary_op): Don't handle it.
16039 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16041 * rtl.def (UNNE): Remove.
16043 * jump.c (reverse_condition): Update accordingly.
16044 (swap_condition): Likewise.
16045 (comparison_dominates_p): Handle unordered comparisons.
16046 (reverse_condition_maybe_unordered): New.
16047 * rtl.h (reverse_condition_maybe_unordered): Declare.
16049 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16050 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16051 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16052 * sparc.md (bltgt): New.
16054 2000-01-25 Nick Clifton <nickc@redhat.com>
16056 * emit-rtl.c (emit_insn): Only check machine class insns for
16057 improper emission of a RETURN.
16059 2000-01-25 Richard Henderson <rth@cygnus.com>
16061 * Makefile.in (flow.o): Depend on $(EXPR_H).
16062 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16063 duplicate the structure of diddle_return_value for keeping regs live.
16065 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16067 * loop.c (current_loop_info): Delete.
16068 (consec_sets_invariant_p): Add loop argument, update callers.
16069 (get_condition_for_loop): Likewise.
16070 (count_nonfixed_reads, update_giv_derive): Likewise.
16071 (simplify_giv_expr, general_induction_var): Likewise.
16072 (consec_sets_giv, recombine_givs): Likewise.
16073 (move_movables): Delete loop_start and loop_end arguments,
16074 add loop argument, and update callers.
16075 (find_mem_givs, check_final_value): Likewise.
16076 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16077 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16079 (basic_induction_var): Add loop argument, delete loop_level argument,
16080 and update callers.
16081 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16082 add loop argument, and update callers.
16083 (find_splittable_regs, find_splittable_givs): Likewise.
16084 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16085 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16086 (biv_total_increment): Delete loop_start and loop_end arguments;
16088 (precondition_loop_p): Delete loop_start and loop_info arguments;
16090 * loop.h (get_condition_for_loop): Add loop argument.
16091 (biv_total_increment): Delete loop_start and loop_end arguments.
16092 (precondition_loop_p): Delete loop_start and loop_info arguments;
16094 (final_biv_value): Delete loop_start and loop_end arguments;
16096 (final_giv_value, back_branch_in_range_p): Likewise.
16098 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16100 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16102 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16104 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16105 point to the new "generated_files" doc.
16107 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16109 * config/fp-bit.c (_unord_f2): Fix typo.
16111 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16113 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16114 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16115 functions obsoleted by GC, such as push_obstacks_nochange,
16116 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16117 and code which existed only to decide whether or not to call
16118 them. Remove now-unused NESTED argument from start_function;
16119 all callers changed. Do not change behavior based on ggc_p.
16120 The use of the ixp_obstack in c-iterate.c and the util_obstack
16121 in objc/objc-act.c remain; these are not obsoleted by garbage
16123 * c-tree.h: Update prototype for start_function.
16125 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16127 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16129 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16132 2000-01-25 Richard Henderson <rth@cygnus.com>
16134 * sparc-protos.h (select_cc_mode): Declare.
16135 * sparc.c (select_cc_mode): New. Handle unordered compares.
16136 (output_cbranch): Always reverse via code change. Handle
16137 unordered compares. Factor tests and string updates.
16138 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16139 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16140 * sparc.md (bunordered, bordered): New.
16141 (bungt, bunlt, buneq, bunge, bunle): New.
16143 2000-01-25 Richard Henderson <rth@cygnus.com>
16145 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16146 * ggc-common.c (ggc_add_rtx_varray_root): New.
16147 (ggc_mark_rtx_varray): New.
16148 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16149 functions down below ggc_mark_foo.
16150 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16152 2000-01-25 Richard Henderson <rth@cygnus.com>
16154 * alpha.c (secondary_reload_class): Don't allocate a secondary
16155 for integral mode memories into FLOAT_REGS. Rearrange the more
16156 complicated memory expression inward.
16158 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16160 * inclhack.def: Fixes to play nicer with FreeBSD, and
16161 corrections to comments.
16162 (cxx_unready): Add select expression.
16163 (irix_sockaddr): Add bypass expression.
16164 (machine_ansi_h_va_list): New fix.
16165 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16166 Split out addition of "#include <stdarg.h>" to...
16167 (stdio_stdarg_h): ... here.
16168 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16169 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16170 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16172 (ultrix_ifdef): Tighten up select expression.
16174 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16175 re_ct and max_mach to avoid use of shell. Make printed names
16176 match names in inclhack.def. Use static copyright date.
16177 Don't count c_test and test expressions as requiring regex_t
16178 slots. Add some commentary.
16179 * inclhack.tpl: Do not include the 'This script contains N
16180 fixup scripts' line if PROGRAM is defined. Use static
16183 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16185 * dwarf2out.c: include "varray.h", not dyn-string.h.
16186 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16187 (addr_const_to_string, addr_to_string): Lose.
16188 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16189 (struct dw_val_struct): val_addr is now an rtx.
16190 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16191 (used_rtx_varray): New varray.
16192 (dwarf2out_init): Initialize it.
16193 (save_rtx): New fn.
16194 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16196 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16197 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16198 * Makefile.in (dwarf2out.o): Update dependencies.
16200 2000-01-24 Richard Henderson <rth@cygnus.com>
16202 * i386.c (i386_dwarf_output_addr_const): New.
16203 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16205 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16207 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16208 * i386.c (i386_simplify_dwarf_addr): New.
16209 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16211 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16213 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16214 TYPE_STUB_DECL is NULL.
16216 2000-01-24 Richard Henderson <rth@cygnus.com>
16218 * builtins.c (expand_tree_builtin): Move ...
16219 * c-common.c (expand_tree_builtin): ... here.
16221 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16223 * loop.h (LOOP_INFO): New accessor macro.
16224 * basic-block.h (struct loop): Rename field `info' to `aux'.
16225 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16226 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16227 * unroll.c (loop_iterations, unroll_loop): Likewise.
16229 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16231 * config/i386/t-cygwin: Accomodate new winsup directory layout
16232 when searching for include files.
16234 2000-01-24 Richard Henderson <rth@cygnus.com>
16236 * rtl.def: Add unordered fp comparisions.
16237 * tree.def: Likewise.
16238 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16240 * builtins.c (expand_tree_builtin): New function.
16241 * c-typeck.c (build_function_call): Use it.
16242 (build_binary_op): Support unordered compares.
16243 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16245 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16246 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16247 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16248 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16249 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16251 (swap_condition): Handle unordered compares.
16252 (thread_jumps): Check can_reverse before reversing.
16253 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16256 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16257 setcc is present before acking for cmp_optab. Update all callers.
16258 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16259 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16260 * expr.c (expand_expr): Likewise. Support unordered compares.
16261 (do_jump, do_store_flag): Likewise.
16262 * expr.h (enum libfunc_index): Add unordered compares.
16264 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16265 (DPBIT_FUNCS): Add _unord_df.
16266 * config/fp-bit.c (_unord_f2): New.
16267 * fp-test.c (main): Try unordered compare builtins.
16269 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16270 * alpha.c (alpha_comparison_operator): Check mode properly.
16271 (alpha_swapped_comparison_operator): Likewise.
16272 (signed_comparison_operator): Likewise.
16273 (alpha_fp_comparison_operator): New.
16274 (alpha_emit_conditional_branch): Handle unordered compares.
16275 * alpha.h (PREDICATE_CODES): Update.
16276 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16277 (bunordered, bordered): New.
16279 2000-01-24 Richard Henderson <rth@cygnus.com>
16281 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16282 * alpha.md (movtf): New expander, insn, and splitter.
16284 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16286 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16289 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16291 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16292 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16293 REG_ALLOC_ORDER): Add frame pointer
16294 (FRAME_POINTER_REGNUM): Set to 20
16295 (HARD_FRAME_POINTER_REGNUM): New macro.
16296 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16297 to HARD_FRAME_POINTER.
16298 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16299 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16300 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16301 (HI_REGISTER_NAMES): Add "frame".
16302 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16303 (debug_reg): Handle FRAME_POINTER_REGNUM.
16304 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16305 GENERAL_REGS and INDEX_REGS.
16306 * i386.c (SAVED_REGS_FIRST): new macro.
16307 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16308 (ix86_decompose_address, memory_address_length): Likewise.
16309 (regclass_map): Add frame pointer.
16310 (call_insn_operand): Handle frame_pointer_rtx.
16311 (reg_no_sp_operand): Likewise.
16312 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16313 (print_operand, legitimize_pic_address): Fix formating.
16314 (ix86_compute_frame_size): Make static, update prototype, new
16315 parameters padding1, padding2, use ix86_nsaved_regs, use
16316 stack_alignment_needed.
16317 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16318 to HARD_FRAME_POINTER_REGNUM conversions.
16319 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16320 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16321 (print_reg): Abort on FRAME_POINTER_REGNUM
16323 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16325 * i386.h (PREDICATE_CODES): Add aligned_operand.
16326 * i386.c (aligned_operand): New function.
16327 (ix86_aligned_p): Kill.
16328 * i386.md (movhi_1): Emit mov for aligned operands.
16329 (promoting peep2s): Use aligned_operand.
16331 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16333 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16334 expression to allow underscores in macro names.
16335 (fix_char_macro_defines): Increment scanning pointer.
16337 2000-01-23 Richard Henderson <rth@cygnus.com>
16339 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16340 * alpha/osf5.h: New file.
16341 * configure.in (alpha-*-osf5): Add it to tm_file.
16343 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16345 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16346 (alpha_emit_xfloating_cvt, function_arg): Declare.
16347 * alpha.c (alpha_emit_conditional_branch): Call
16348 alpha_emit_xfloating_compare for TFmode compares.
16349 (alpha_lookup_xfloating_lib_func): New.
16350 (alpha_compute_xfloating_mode_arg): New.
16351 (alpha_emit_xfloating_libcall): New.
16352 (alpha_emit_xfloating_arith): New.
16353 (alpha_emit_xfloating_compare): New.
16354 (alpha_emit_xfloating_cvt): New.
16355 (print_operand): Add default abort case.
16356 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16357 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16358 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16359 (RETURN_IN_MEMORY): True for TF/TCmode.
16360 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16361 (FUNCTION_ARG): Move to function_arg.
16362 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16363 (ASM_OUTPUT_LONG_DOUBLE): New.
16364 (ASM_OUTPUT_DOUBLE): Always output bits.
16365 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16366 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16367 (extenddftf2, trunctfdf2): New.
16369 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16371 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16372 * config/sparc/sol2.h: ... here.
16374 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16376 * basic-block.h (struct loops): New field `levels'.
16377 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16378 (flow_loop_level_compute): Initialise level to 1.
16379 (flow_loops_find): Set loops->levels.
16380 (flow_loops_dump): Print loops->levels.
16382 2000-01-23 Richard Henderson <rth@cygnus.com>
16384 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16385 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16387 2000-01-23 Richard Henderson <rth@cygnus.com>
16389 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16390 * i386.h (DBX_REGISTER_NUMBER): Use them.
16391 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16392 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16393 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16394 * i386/sequent.h: Kill incorrect comment.
16396 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16398 * ggc-page.c (struct page_entry): Make `context_depth' an
16400 (struct globals): Likewise.
16402 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16404 * loop.c (check_dbra_loop): When checking a loop for
16405 reversability, check the source of any stores to ensure
16406 they don't depend on an initial value.
16408 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16410 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16412 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16414 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16415 'pz_scan' into scope of entire function. Only affects
16416 compiles with -DDEBUG.
16418 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16420 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16421 section naming to that prior to 2000-01-07 patch.
16422 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16423 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16424 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16425 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16426 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16428 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16430 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16433 2000-01-21 Jim Wilson <wilson@cygnus.com>
16435 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16436 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16438 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16440 * cpphash.c (change_newlines): Delete function.
16441 (struct argdata): Delete 'newlines' and 'use_count' fields.
16442 (macroexpand): Remove code referencing those fields.
16444 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16446 * loop.c (loops_info): New variable.
16447 (loop_optimize): Allocate loops->array and free it on exit.
16448 Allocate memory for loops_info and assign to each loop,
16450 (find_and_verify_loops): Do not allocate loops->array.
16452 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16454 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16456 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16458 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16459 pseudos if expanded after first flow.
16460 (movdi_pic_label_ref): Likewise.
16462 2000-01-20 Richard Henderson <rth@cygnus.com>
16464 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16466 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16468 * Makefile.in (fixinc.sh): Depend on specs.
16469 * fixinc/Makefile.in: Add rule to create machname.h.
16470 (fixlib.o): Depend on machname.h.
16471 * fixinc/fixtests.c (machine_name): New test.
16472 * fixinc/fixfixes.c (machine_name): New fix.
16473 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16474 the machine_name test and fix.
16475 * fixinc/fixlib.h: Prototype it.
16476 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16477 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16479 * gcc.c (do_spec_1) [case P]: Take care not to create
16480 identifiers with three leading or trailing underscores.
16482 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16483 (fixincl): Don't specify libraries twice on link line.
16484 (gnu-regex.o): Remove special rule.
16485 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16486 defined by config.h. Do not define _REGEX_RE_COMP.
16487 (regcomp): Allocate and initialize a fastmap.
16488 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16490 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16492 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16494 2000-01-19 Richard Henderson <rth@cygnus.com>
16496 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16497 arguments with BB. Update all callers. Tidy line wrapping.
16499 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16501 * emit-rtl.c (try_split): Return last_insn if we split the
16504 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16506 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16507 (ix86_initial_elimination_offset): Declare.
16508 * i386.c (ix86_nsaved_regs): Break out from ...
16509 (ix86_can_use_return_insn_p): ... here.
16510 (ix86_emit_save_regs): Break out from ...
16511 (ix86_expand_prologue): ... here.
16512 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16514 (ix86_expand_epilogue): ... here.
16515 (ix86_compute_frame_size): Make static, add prototype.
16516 (ix86_initial_elimination_offset): Break out from ...
16517 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16519 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16521 * recog.h (OUT_FCN): Delete.
16523 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16525 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16527 * cppalloc.c: PROTO -> PARAMS.
16528 * cpperror.c: Likewise.
16529 * cppfiles.c: Likewise.
16530 * cpplib.c: Likewise.
16531 * cpplib.h: Likewise.
16533 * config/arm/arm-protos.h: PROTO -> PARAMS.
16534 * config/arm/arm.c: Likewise.
16535 * config/c4x/c4x.c: Likewise.
16536 * config/fr30/fr30-protos.h: Likewise.
16537 * config/nextstep.c: Likewise.
16538 * config/pa/pa.c: Likewise.
16539 * config/pj/pj.c: Likewise.
16540 * config/rs6000/rs6000.c: Likewise.
16541 * config/v850/v850-protos.h: Likewise.
16542 * config/v850/v850.c: Likewise.
16544 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16546 * i370-protos.h: New file.
16548 * i370.c: Include tm_p.h. Fix compile time warnings.
16550 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16553 * i370.md: Likewise.
16555 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16557 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16558 (target_isinf, target_isnan, eisnan): Mark parameter with
16560 (eiisinf): Wrap in INFINITY.
16561 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16562 (ibmtoe): Remove unused variable `rndsav'.
16564 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16566 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16567 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16569 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16571 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16572 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16573 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16575 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16576 Recognize Emacs mode markers also.
16577 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16578 C++ comments in C++ headers. Call is_cxx_header only if
16581 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16582 bypass for ncurses.
16583 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16584 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16585 ... these, which use the new C fixes.
16586 (math_exception): Escape literal '+' in bypass expression.
16588 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16591 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16593 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16596 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16598 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16599 prior to calling scan_loop.
16601 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16603 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16604 (split_branches, calc_live_regs): Likewise.
16606 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16608 * sh.md (fpu_single, fp_mode): New attributes.
16610 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16612 * loop.c (current_loop_info): Renamed from loop_info_data
16613 and changed to a pointer.
16614 (loop_optimize): Allocate loop_info structure for each loop
16615 and initialise to zero.
16616 (scan_loop): Set current_loop_info.
16618 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16621 2000-01-19 Richard Henderson <rth@cygnus.com>
16623 * stupid.c: Die die die.
16624 * Makefile.in (OBJS): Remove stupid.o.
16625 (stupid.o): Likewise.
16627 * except.c (emit_eh_context): Don't emit USEs for stupid.
16628 * explow.c (probe_stack_range): Likewise.
16629 * flags.h (obey_regdecls): Remove.
16630 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16631 when not optimizing.
16632 (life_analysis): Limit data collection when not optimizing.
16633 (mark_regs_live_at_end): Always mark the return value registers.
16634 (mark_used_regs): Remove dummy RETURN case.
16635 (print_rtl_with_bb): Don't consult obey_regdecls.
16636 * function.c (use_variable, use_variable_after): Remove.
16637 (assign_parms): Consult optimize not obey_regdecls.
16638 (expand_function_start): Don't emit USEs for stupid.
16639 (expand_function_end): Likewise.
16640 * global.c (build_insn_chain): Export.
16641 * integrate.c (expand_inline_function): Kill return-value USE
16643 * jump.c (jump_optimize_1): Do simple jump optimizations and
16644 dead code elimination.
16645 (calculate_can_reach_end): Remove check_deleted argument.
16646 (delete_insn): Patch out insns even when not optimizing.
16647 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16648 * rtl.h (use_variable, use_variable_after): Remove declarations.
16649 (build_insn_chain): Declare.
16650 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16651 (expand_end_bindings): Likewise.
16652 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16653 * toplev.c (obey_regdecls): Remove.
16654 (rest_of_compilation): Don't set it. Kill stupid in favour of
16655 flow1, local-alloc, and reload.
16656 (main): Don't set obey_regdecls.
16658 * config/nextstep.c (handle_pragma): Likewise.
16660 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16662 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16664 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16666 * alpha-protos.h: PROTO -> PARAMS.
16667 * alpha.c: Likewise.
16669 * h8300.c: Likewise.
16670 * i386-protos.h: Likewise.
16671 * i386.c: Likewise.
16672 * m32r-protos.h: Likewise.
16673 * m32r.c: Likewise.
16674 * mips.c: Likewise.
16675 * mips.md: Likewise.
16676 * gmon-sol2.c: Likewise.
16677 * sparc.c: Likewise.
16679 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16681 * ns32k-protos.h: New file.
16683 * ns32k.c: Fix compile time warnings.
16685 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16688 * ns32k.md: Likewise.
16690 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16692 * vax-protos.h: New file.
16694 * vax.c: Fix compile time warnings.
16696 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16699 * vax.md: Likewise.
16701 * vaxv.md: Likewise.
16703 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16705 * romp-protos.h: New file.
16707 * romp.c: Fix compile time warnings.
16709 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16712 * romp.md: Likewise.
16714 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16716 * we32k-protos.h: New file.
16718 * we32k.c: Fix compile time warnings.
16720 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16723 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16725 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16727 * except.c (eh_regs): Likewise.
16729 * final.c (output_operand): Likewise.
16731 * fold-const.c (target_isinf, target_isnan): Likewise.
16733 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16735 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16736 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16738 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16739 when optimize_size.
16740 (clrstrsi): Rewrite.
16741 (strsethi, strsetqi): New expanders.
16742 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16743 (cmpstrsi): Emit compare insn before cmpstrsi_1
16744 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16745 (strlensi_1): Likewise.
16746 (cmpstrsi_1): Likewise; do not output compare.
16747 (strlen expander): Do not unroll when optimizing for size.
16748 (*subsi3_carry): Rename to subsi3_carry
16749 (addqi3_cc): New pattern.
16750 * i386.h (processor_costs): Add move_ratio field.
16751 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16752 * i386.c (*_cost): Set move_ratio.
16753 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16754 (x86_expand_strlensi_1): Rewrite the main loop.
16756 2000-01-17 Richard Henderson <rth@cygnus.com>
16758 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16759 * cse.c (find_comparison_args, fold_rtx): Likewise.
16760 * integrate.c (subst_constants): Likewise.
16761 * loop.c (get_condition): Likewise.
16763 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16765 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16767 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16769 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16770 (RESTORE_WARN_FLAGS): Unpack it.
16771 Change semantic type of extension to ttype.
16772 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16773 * c-parse.y, c-parse.c, objc/objc-parse.y,
16774 objc/objc-parse.c: Regenerate.
16776 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16778 * fixinc/fixlib.c: Add copyright notice.
16779 (compile_re): New function.
16780 * fixinc/fixlib.h: Prototype compile_re.
16782 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16783 Use compile_re to compile regular expressions.
16785 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16786 where the pattern matched.
16788 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16790 (ultrix_ansi_compat): Likewise.
16791 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16793 (interactv_add2, interactv_add3): Delete.
16794 (x11_sprintf): Don't use filename glob.
16795 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16798 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16800 * print-rtl.c: PROTO -> PARAMS.
16801 * real.c: Likewise.
16802 * reg-stack.c: Likewise.
16803 * resource.c: Likewise.
16804 * sdbout.h: Likewise.
16805 * simplify-rtx.c: Likewise.
16806 * stor-layout.c: Likewise.
16807 * stupid.c: Likewise.
16808 * xcoffout.c: Likewise.
16809 * xcoffout.h: Likewise.
16811 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16813 * toplev.c: PROTO -> PARAMS.
16814 * toplev.h: Likewise.
16815 * tree.c: Likewise.
16816 * tree.h: Likewise.
16817 * unroll.c: Likewise.
16818 * varasm.c: Likewise.
16819 * varray.c: Likewise.
16820 * varray.h: Likewise.
16822 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16824 * reload.c: PROTO -> PARAMS.
16825 * reload.h: Likewise.
16826 * reload1.c: Likewise.
16827 * reorg.c: Likewise.
16828 * resource.h: Likewise.
16831 * rtlanal.c: Likewise.
16832 * sbitmap.h: Likewise.
16833 * sdbout.c: Likewise.
16834 * stack.h: Likewise.
16835 * stmt.c: Likewise.
16836 * system.h: Likewise.
16838 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16840 * machmode.h: PROTO -> PARAMS.
16841 * mbchar.h: Likewise.
16842 * mips-tdump.c: Likewise.
16843 * mips-tfile.c: Likewise.
16844 * optabs.c: Likewise.
16845 * output.h: Likewise.
16846 * prefix.c: Likewise.
16847 * profile.c: Likewise.
16848 * protoize.c: Likewise.
16849 * real.h: Likewise.
16850 * recog.c: Likewise.
16851 * recog.h: Likewise.
16852 * regclass.c: Likewise.
16853 * regmove.c: Likewise.
16854 * regs.h: Likewise.
16856 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16858 * ggc-common.c: PROTO -> PARAMS.
16859 * ggc-page.c: Likewise.
16860 * ggc-simple.c: Likewise.
16862 * global.c: Likewise.
16863 * graph.c: Likewise.
16864 * gthr-win32.h: Likewise.
16865 * haifa-sched.c: Likewise.
16866 * halfpic.h: Likewise.
16867 * integrate.c: Likewise.
16868 * integrate.h: Likewise.
16869 * jump.c: Likewise.
16871 * local-alloc.c: Likewise.
16872 * loop.c: Likewise.
16873 * loop.h: Likewise.
16875 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16877 * genattr.c: PROTO -> PARAMS.
16878 * genattrtab.c: Likewise.
16879 * gencheck.c: Likewise.
16880 * gencodes.c: Likewise.
16881 * genconfig.c: Likewise.
16882 * genemit.c: Likewise.
16883 * genextract.c: Likewise.
16884 * genflags.c: Likewise.
16885 * gengenrtl.c: Likewise.
16886 * genopinit.c: Likewise.
16887 * genoutput.c: Likewise.
16888 * genpeep.c: Likewise.
16889 * genrecog.c: Likewise.
16891 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16893 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16895 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16897 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16898 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16899 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16900 * configure, config.in: Rebuilt.
16902 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16904 * config/i386/i386.md: Add peephole to merge successive stack
16907 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16909 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16910 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16911 when walking backwards to find all the parameter loads when
16912 the basic block ends in a call.
16914 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16916 * loop.c (this_loop_info): Delete.
16917 (uid_loop): Add in place of uid_loop_num. All uses updated.
16918 (loop_number_exit_count): Delete and replace with entry in loop
16919 structure. All uses updated.
16920 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16921 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16922 (loop_outer_loop): Likewise.
16923 (loop_invalid, loop_number_exit_labels): Likewise.
16924 (loop_used_count_register): Delete and replace with entry in
16925 loop_info structure.
16926 (find_and_verify_loops): Add loops argument.
16927 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16928 loop_end, etc. arguments with loop structure pointer. All callers
16930 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16931 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16932 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16933 (insert_bct): Likewise.
16934 (basic_induction_var): New argument level.
16935 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16936 vtop, and cont. Add used_count_register.
16937 (uid_loop): Delete declaration.
16938 (loop_number_exit_count): Likewise.
16939 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16940 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16941 (loop_outer_loop, loop_used_count_register): Likewise.
16942 (loop_invalid, loop_number_exit_labels): Likewise.
16943 (unroll_loop): Replace loop_start and loop_end arguments
16944 with loop structure pointer.
16945 (loop_precondition_p, loop_iterations): Likewise.
16946 Include basic-block.h.
16947 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16948 with loop structure pointer.
16949 (loop_precondition_p, loop_iterations): Likewise.
16950 * basic-block.h (struct loop): New entries vtop, cont,
16951 cont_dominator, start, end, top, scan_start, exit_labels,
16953 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16955 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16957 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16959 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16961 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16963 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16965 * pdp11-protos.h: New file.
16967 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16970 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16973 * pdp11.md: Likewise.
16975 * 2bsd.h: Likewise.
16977 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16979 * mn10300-protos.h: New file.
16981 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16984 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16987 * mn10300.md: Likewise.
16989 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16991 * mn10200-protos.h: New file.
16993 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16996 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16999 * mn10200.md: Likewise.
17001 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17003 * h8300-protos.h: New file.
17005 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17008 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17011 * h8300.md: Likewise.
17013 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17015 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17016 (asm_emit_uninitialised): Likewise.
17018 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17020 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17021 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17023 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17025 * config/mips/mips.c (override_options): Don't turn on extra
17026 alignment for mips16.
17028 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17030 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17031 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17034 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17036 * builtins.c (PAD_VARARGS_DOWN): Define.
17037 (std_expand_builtin_va_arg): Use the above macro.
17038 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17039 * tm.texi (Register Arguments): Document the above macro.
17041 2000-01-14 Nick Clifton <nickc@cygnus.com>
17043 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17044 that this function has not been used to emit a jump
17047 * jump.c (return_jump_1): Cope with being passed a null rtx.
17049 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17051 * eh-common.h: PROTO -> PARAMS.
17052 * emit-rtl.c: Likewise.
17053 * errors.c: Likewise.
17054 * errors.h: Likewise.
17055 * except.c: Likewise.
17056 * except.h: Likewise.
17057 * explow.c: Likewise.
17058 * expmed.c: Likewise.
17059 * expr.c: Likewise.
17060 * expr.h: Likewise.
17061 * final.c: Likewise.
17062 * fix-header.c: Likewise.
17063 * flow.c: Likewise.
17064 * fold-const.c: Likewise.
17065 * function.c: Likewise.
17066 * function.h: Likewise.
17068 * gcov-io.h: Likewise.
17069 * gcov.c: Likewise.
17070 * gcse.c: Likewise.
17072 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17074 * sh-protos.h: New file.
17076 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17077 Add static prototypes. Fix compile time warnings.
17079 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17083 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17085 * arc-protos.h: New file.
17087 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17090 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17093 * arc.md: Likewise.
17095 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17097 * dsp16xx-protos.h: New file.
17099 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17102 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17105 * dsp16xx.md: Likewise.
17107 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17109 * convex-protos.h: New file.
17111 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17114 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17117 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17119 * elxsi-protos.h: New file.
17121 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17124 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17127 * elxsi.md: Likewise.
17129 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17131 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17132 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17133 match the comment for MIPS16.
17135 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17137 * flow.c (split_edge): Do not call set_block_for_insn if we
17138 do not have a basic_block_for_insn structure.
17140 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17141 and destination functions are 32bit aligned within the trampoline.
17142 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17143 (TRAMPOLINE_ALIGNMENT): Define.
17145 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17146 (set (pc) (label_ref)), verify the change creates a valid insn.
17148 * fr30.c (call_operand): Tighten and rework to match rules for
17149 call RTL expressions.
17150 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17151 * fr30.md (call patterns): Improve constraints.
17153 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17155 * fr30.c (fr30_expand_epilogue): Revert last change.
17156 Use emit_jump_insn for the return insn.
17158 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17159 Stan Cox <scox@cygnus.com>
17161 * predict.c: New file. Preliminary infrastructure work for static
17162 branch prediction and basic block reordering.
17163 * basic-block.h: Add prototype for estimate_probability.
17164 * Makefile.in: Add rules for predict.o.
17166 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17168 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17169 * fixinc/*: Likewise.
17171 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17173 * cccp.c: PROTO -> PARAMS.
17174 * cexp.y: Likewise.
17175 * collect2.c: Likewise.
17176 * combine.c: Likewise.
17177 * convert.h: Likewise.
17179 * dbxout.c: Likewise.
17180 * dbxout.h: Likewise.
17181 * diagnostic.c: Likewise.
17182 * doprint.c: Likewise.
17183 * dwarf2out.c: Likewise.
17184 * dwarf2out.h: Likewise.
17185 * dwarfout.c: Likewise.
17186 * dwarfout.h: Likewise.
17187 * dyn-string.h: Likewise.
17189 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17191 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17192 macro conditionals guarding use.
17194 * dwarf2out.c: Include "tm_p.h".
17196 * function.c (locate_and_pad_parm): Mark parameter with
17198 (expand_function_end): Likewise for variable `context'.
17200 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17202 2000-01-13 Nick Clifton <nickc@cygnus.com>
17204 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17205 register to prevent compile time warnings.
17207 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17209 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17210 to avoid -Wtraditional warning.
17212 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17214 * 1750a-protos.h: New file.
17216 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17219 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17222 * 1750a.md: Likewise.
17224 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17226 * a29k-protos.h: New file.
17228 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17231 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17234 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17236 * clipper-protos.h: New file.
17238 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17241 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17244 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17246 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17248 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17250 * configure.in (--enable-new-gxx-abi): New option.
17251 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17252 * Makefile.in (GXX_ABI_FLAG): New variable.
17253 * configure: Regenerate.
17255 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17257 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17258 * tm.texi (FORCE_STRUCT_BLK): Document.
17259 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17261 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17263 * config/ns32k/ns32k.md: Revert Jan 9 change.
17265 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17266 to a mode-test, if the predicate is address_operand.
17268 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17270 * combine.c (if_then_else_cond): Be careful about what kinds
17271 of RTL expressions are passed to operand_subword.
17273 * flow.c (split_edge): If we have to insert a new jump, make
17274 sure to associate it with a basic block.
17276 * flow.c (commit_one_edge_insertion): A block with one successor
17277 can end in a JUMP_INSN that is not a simplejump.
17279 2000-01-12 Robert Lipe <robertl@sco.com>
17281 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17282 (BUILD_VA_LIST_TYPE): Define.
17283 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17286 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17288 * cccp.c (do_pragma): Add cast to (char *).
17290 2000-01-12 Richard Henderson <rth@cygnus.com>
17291 Fred Fish <fnf@be.com>
17292 Jason Merrill <jason@cygnus.com>
17294 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17295 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17296 * i386/beos-elf.h, i386/beos-pe.h: New files.
17298 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17299 * cross-make (SYSTEM_HEADER_DIR): Define using
17300 CROSS_SYSTEM_HEADER_DIR.
17302 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17303 (process_command): Use it.
17304 (main): Likewise. Kill trailing = from env vars.
17305 (build_search_list): Put it back.
17306 * collect2.c (main): Use LIBRARY_PATH_ENV.
17308 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17309 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17311 * tm.texi (Frame Layout): Document SMALL_STACK.
17312 * c-common.c (c_common_nodes_and_builtins): Check it.
17314 * system.h: Undef alloca after including glibc's <stdlib.h>,
17315 if USE_C_ALLOCA is defined.
17317 * gcc.c (set_input): New fn.
17318 (main): After all input files are compiled, reset the input file
17321 * aclocal.m4 (rindex, index): If already defined, don't attempt
17324 * ginclude/varargs.h: (__va_list__): Define ifndef.
17325 * ginclude/stdarg.h: Likewise.
17327 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17328 instead of unsigned char.
17330 * hash.h (true, false, boolean): Undef before enum.
17332 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17333 proper type of "HOST_WIDE_INT *", rather than their natural type of
17334 "unsigned HOST_WIDE_INT *".
17336 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17338 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17340 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17342 * regclass.c (choose_hard_reg_mode): Likewise.
17344 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17346 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17348 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17350 * c-common.c: PROTO -> PARAMS.
17351 * c-common.h: Likewise.
17352 * c-decl.c: Likewise.
17353 * c-iterate.c: Likewise.
17354 * c-lang.c: Likewise.
17355 * c-lex.c: Likewise.
17356 * c-lex.h: Likewise.
17357 * c-parse.in: Likewise.
17358 * c-pragma.c: Likewise.
17359 * c-pragma.h: Likewise.
17360 * c-tree.h: Likewise.
17361 * c-typeck.c: Likewise.
17362 * objc/objc-act.c: Likewise.
17363 * objc/objc-act.h: Likewise.
17365 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17367 * m88k-protos.h: New file.
17369 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17372 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17374 * m88k.md: Likewise.
17376 * tekXD88.h: Likewise.
17378 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17380 * m68k-protos.h: New file.
17382 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17385 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17387 * mot3300.h: Likewise.
17389 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17391 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17393 (extract_bitlist): Declare bitlen.
17395 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17397 * cccp.c: Accept and ignore -lang-fortran.
17399 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17400 qualifiers don't match at any level of pointerness.
17402 2000-01-12 Robert Lipe <robertl@sco.com>
17404 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17406 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17408 * reload1.c (reload_reg_unavailable): New static variable.
17409 (reload_reg_free_p): Test it.
17410 (reload_reg_free_for_value_p): Test it instead of
17412 (choose_reload_regs_init): Compute it.
17414 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17416 * reorg.c (fill_slots_from_thread): Check modified_in_p
17419 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17421 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17422 these nodes even if INTERNALS is not set.
17424 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17426 * gcse.c (delete_null_pointer_checks_1): Cope when
17427 get_condition cannot determine the condition.
17429 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17431 * toplev.h (set_message_length): Declare.
17433 * diagnostic.c (obstack_chunk_alloc): Define macro.
17434 (obstack_chunk_free): Likewise.
17435 (struct output_buffer): New data structure.
17436 (vmessage): Remove.
17437 (output_maximum_width): New variable.
17438 (doing_line_wrapping, set_message_length, init_output_buffer,
17439 get_output_prefix, output_space_left, emit_output_prefix,
17440 output_newline, output_append, output_puts, dump_output,
17441 vbuild_message_string, build_message_string, build_location_prefix,
17442 voutput_notice, output_printf, line_wrapper_printf,
17443 vline_wrapper_message_with_location): New functions. Implement
17444 automatic line wrapping.
17445 (v_message_with_decl): Make it handle automatic line wrapping.
17446 (v_error_with_file_and_line): Likewise.
17447 (v_warning_with_file_and_line): Likewise.
17448 (announce_function): Likewise.
17449 (default_print_error_function): Likewise.
17451 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17453 * cpplib.h (struct cpp_options): Change lang_asm to char.
17455 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17456 done in cpp_handle_option now.
17457 (initialize_builtins): Take out special case code used only by
17459 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17460 if -traditional. Recognize -lang-fortran and set
17461 lang_fortran, also turn off cplusplus_comments.
17462 (print_help): Document -lang-fortran.
17463 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17464 lang_asm. Ignore all directives other than `# 123 "file"' if
17466 (cpp_get_token): If -traditional, don't recognize directives
17467 unless the # is in column 1.
17468 (parse_string): If lang_fortran or lang_asm, silently
17469 terminate strings ('' or "") at end of line.
17470 Remove unnecessary braces.
17472 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17473 Richard Henderson <rth@cygnus.com>
17475 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17477 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17478 strict_low_part when possible.
17480 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17482 * alias.c: PROTO -> PARAMS.
17483 * basic-block.h: Likewise.
17484 * bitmap.c: Likewise.
17485 * bitmap.h: Likewise.
17486 * builtins.c: Likewise.
17487 * c-aux-info.c: Likewise.
17488 * caller-save.c: Likewise.
17489 * calls.c: Likewise.
17491 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17493 * Makefile.in (toplev.o): Depend on regs.h.
17495 * output.h (tdesc_section): Prototype.
17497 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17499 * sdbout.c: Include "tm_p.h".
17501 * toplev.c: Include "regs.h".
17503 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17505 * unroll.c (unroll_loop): Add EH support.
17507 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17509 * pa-protos.h: New file.
17511 * pa.c: Include recog.h and tm_p.h.
17512 (compute_zdepwi_operands, compute_movstrsi_length,
17513 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17514 find_addr_reg, import_milli): Add static prototypes.
17515 (pa_cpu_string, pa_arch_string): Constify a char*.
17516 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17517 (read_only_operand): Add argument `mode'.
17518 (singlemove_string, output_move_double, output_fp_move_double,
17519 output_block_move, output_and, output_ior, output_ascii,
17520 remove_useless_addtr_insns, milli_names, output_mul_insn,
17521 output_div_insn, output_mod_insn, output_arg_descriptor,
17522 output_cbranch, output_bb, output_bvb, output_dbra, ,
17523 output_millicode_call, output_call, hppa_encode_label,
17524 output_parallel_movb, output_parallel_addb): Constify a char*.
17525 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17526 (output_parallel_addb): Remove extra arg to `constrain_operands'
17528 * pa.h: Move all prototypes to pa-protos.h.
17529 (pa_cpu_string, pa_arch_string): Constify a char*.
17530 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17532 * pa.md: Call `function_label_operand' with mode argument.
17533 Likewise for `read_only_operand'.
17534 Fix nesting of parens in call to `symbolic_operand'.
17536 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17538 * i860-protos.h: New file.
17540 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17543 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17545 * i860.md: Likewise.
17547 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17549 * i386.md (movstrsi expander): Rewrite.
17550 (movstrsi_1 insn): Deleted.
17551 (strmovhi, strmovqi expander): New expanders.
17552 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17553 * i386.c (x86_single_stringop): New global variable.
17554 * i386.h (x86_single_stringop): Declare.
17555 (TARGET_SINGLE_STRINGOP): New macro.
17557 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17559 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17560 integer vararg POSTINCREMENT before the destination of the jump
17561 for the hard fp case.
17562 (function_arg_pass_by_reference): Pass a copy of CUM to
17565 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17566 for CONSTANT_ADDRESS_P above while loop for subreg.
17568 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17570 * flow.c (propagate_block): When a prologue/epilogue insn
17571 is marked dead, unconditionally clear libcall_is_dead and
17572 insn_is_dead, and only dump rtl if warnings aren't being
17575 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17577 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17578 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17579 (FIXED_REGISTERS): Set dirflag as fixed.
17580 (CALL_USED_REGISTERS): Set dirflag as used.
17581 (REG_ALLOC_ORDER): Set dirflag as last one.
17582 (DIRFLAG_REG): New macro.
17583 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17584 (HI_REGISTER_NAMES): Add dirflag.
17585 (DEBUF_PRINT_REG): Handle dirflag.
17586 * i386.md (type attribute): New cld and str types.
17587 (length_opcode attribute): Set cld and str to 1.
17588 (memory attribute): Set str to unknown - it is not clear from the
17590 (pent_np function unit): Prefixed string operations takes 12 cycles
17591 minimally; cld takes 2 cycles.
17592 (ppro_uops attribute): Str is "many" and cld is "few".
17593 (ppro_p0 unit): Handle cld here.
17594 (k6_alux unit): Handle cld and str types.
17595 (k6_load unit): It is ocupied by str opcodes.
17596 (k6_store unit): It is ocupied by str opcodes.
17597 (athlon_decode): Str is vector decoded.
17598 (athlon_ieu): Handle str and cld.
17599 (cld pattern): New.
17600 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17601 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17602 cmpstrsi_nz_1 insn): Do not output cld instruction
17604 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17606 * gcc.texi (G++ and GCC): Add Java and Chill.
17607 (Bug Critera): Don't list languages.
17609 * gcc.texi (Incompatibilities): No longer claim most C compilers
17612 * gcc.texi (G++ and GCC): Update other front-ends list.
17614 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17616 * i386.c (ix86_expand_setcc): Fix typo.
17617 (ix86_expand_movcc): Similarly.
17619 * Band-aid until haifa's bitset implementation is nuked.
17620 * haifa-sched.c (extract_bitlst): New parameter for size of the
17621 bitset in bits. All callers changed. Avoid looking at undefined
17622 bits in the bitset.
17623 (edgeset_bitsize): New variable.
17624 (schedule_region): Initialize edgeset_bitsize.
17626 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17628 * Makefile.in (optabs.o): Depend on real.h
17629 (resource.o): Depend on insn-attr.h
17631 * builtins.c (result_vector): Wrap prototype in macro conditions
17632 governing definition and use.
17634 * c-common.c: Include tm_p.h.
17636 * c-lex.c: Likewise.
17638 * elfos.h: Constify a char*.
17640 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17641 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17642 parameter with ATTRIBUTE_UNUSED.
17644 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17647 * haifa-sched.c (schedule_insns): Mark parameter with
17650 * optabs.c: Include real.h.
17652 * real.h (ereal_atof): Add prototype arguments.
17654 * resource.c: Include insn-attr.h.
17656 * sdbout.c (sdbout_queue_anonymous_type,
17657 sdbout_dequeue_anonymous_types): Wrap in macro
17658 SDB_ALLOW_FORWARD_REFERENCES.
17659 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17662 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17664 * stupid.c: Include tm_p.h.
17666 * tree.c (real_value_from_int_cst): Mark parameter with
17669 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17671 * i960-protos.h: New file.
17673 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17676 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17678 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17680 * combine.c (expand_field_assignment): Do not discard SUBREGs
17681 while computing nonzero_bits.
17683 2000-01-09 Nick Clifton <nickc@cygnus.com>
17685 * config/arm/arm.c: Fix compile time warnings about signed vs
17686 unsigned constants.
17687 * config/arm/arm.h: Fix compile time warnings about signed vs
17688 unsigned constants.
17690 2000-01-09 Philip Blundell <philb@gnu.org>
17692 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17693 than `ldm' with only one register.
17694 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17697 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17700 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17702 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17705 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17707 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17708 assignment used as truth value.
17710 * function.c (assign_temp): Mark parameter `dont_promote' with
17711 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17712 PROMOTE_FOR_CALL_ONLY.
17714 * genrecog.c (write_subroutine): Mark variable `operands' with
17717 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17720 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17721 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17723 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17726 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17728 * config/c4x.h: Tidy up comments.
17729 * config/c4x.c: Likewise.
17731 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17733 * fold-const.c (lshift_double, rshift_double): Handle
17734 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17736 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17738 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17739 in prepare_function_start().
17741 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17743 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17744 longer allocate extra stack for function calls.
17746 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17748 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17750 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17752 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17754 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17756 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17757 * aix43.h: Revert Aug 2 change.
17758 (HAS_INIT_SECTION): Define, not visible yet.
17759 (LD_INIT_SWITCH): Define, not visible yet.
17760 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17762 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17764 * collect2.c (main): Expand ld2 size further.
17765 (export_object_lst): Cast assignment to avoid warning.
17766 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17767 (scan_prog_file, COFF): Do not collect initialization or
17768 finalization functions generated for entire shared object if
17769 init/fini support present.
17771 2000-01-07 Nick Clifton <nickc@cygnus.com>
17773 * config/elfos.h: Tidy up formatting of marcos. Make sure
17774 that .section directives are always prefixed by a tab.
17776 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17779 2000-01-07 Matt Austern <austern@sgi.com>
17781 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17784 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17786 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17788 (crtbegin.o, s-crtS): Likewise.
17790 2000-01-06 Richard Henderson <rth@cygnus.com>
17792 * alpha.md (adddi_2+1): Limit offset such that it will be
17793 loadable with a single ldah+lda pair.
17794 (adddi_2+2): Explicitly fail split if we can't make it work.
17796 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17798 * protoize.c: Conditionally include unistd.h.
17799 (IS_SAME_PATH_CHAR): New macro.
17800 (IS_SAME_PATH): New macro.
17801 (CPLUS_FILE_SUFFIX): New macro.
17802 (cplus_suffix): New static variable.
17803 (is_abspath): New static function.
17804 (in_system_include_dir): Handle DOS style pathnames.
17805 (file_could_be_converted): Likewise.
17806 (file_normally_convertible): Likewise.
17807 (directory_specified_p): Likewise.
17808 (file_excluded_p): Likewise.
17809 (abspath): Likewise.
17810 (shortpath): Likewise.
17811 (referenced_file_is_newer): Likewise.
17812 (save_def_or_dec): Likewise.
17813 (do_processing): Likewise.
17815 (edit_file): Likewise. Use rename instead of link.
17816 (rename_c_file): Likewise. Don't rename syscalls file.
17817 (munge_compile_params): Define null device for DOS based systems.
17818 (process_aux_info_file): Use binary mode if appliable.
17819 (edit_file): Likewise.
17820 * invoke.texi (Running Protoize): Document C++ suffixes used.
17822 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17823 IS_DIR_SEPARATOR macros.
17824 * collect2.c: Likewise.
17825 * cppinit.c: Likewise.
17826 * dwarf2out.c: Likewise.
17828 * gcov.c: Likewise.
17829 * prefix.c: Likewise.
17831 * toplev.c: Likewise.
17832 * system.h: And move to here.
17834 * prefix.c (update_path): Fix typo in variable name.
17836 2000-01-06 Richard Henderson <rth@cygnus.com>
17838 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17839 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17840 (count_reg_sets_1, count_reg_references): Likewise.
17841 (flow_loops_level_compute): Start counting actual loop depth at 1.
17842 (flow_loops_find): Likewise.
17843 * local-alloc.c (update_equiv_regs): Likewise.
17844 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17846 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17848 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17849 FIRST_PSEUDO_REGISTER
17850 * dwarf2out.c: Don't include frame.h
17851 * dwarfout.c: Likewise
17852 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17855 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17857 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17860 * i386.c (movsf splitter): Fix typo in my last checkin.
17862 2000-01-05 Nick Clifton <nickc@cygnus.com>
17864 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17865 own definition of this macro.
17866 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17867 flag_data_sections or UNIQUE_SECTION_P are true.
17869 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17870 unitialised data decls.
17872 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17873 being called for uninitialised data.
17875 * config/i386/interix.c (i386_pe_unique_section): Cope with
17876 being called for uninitialised data.
17878 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17879 for uninitialised data.
17881 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17882 for uninitialised data.
17884 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17885 for uninitialised data.
17887 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17888 (UNIQUE_SECTION_P): Always generate a unique section if
17889 flag_data_sections is true.
17890 (UNIQUE_SECTION): Also generate unique sections for
17891 uninitialised data.
17892 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17893 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17896 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17898 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17901 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17903 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17904 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17905 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17906 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17907 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17909 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17911 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17913 * c-decl.c (finish_enum): Simplify code to determine minimum and
17914 maximum values of the enum, and calculate the type. Remove check
17915 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17916 the DECL_INITIAL of each enumeration constant with a copy converted
17917 to the enumeration type. When updating variant types, don't bother
17918 updating the type itself.
17920 * c-typeck.c (build_binary_op): Simplify conditional expressions
17921 when weeding out spurious signed-unsigned warnings. Add new
17922 spurious warning category: if the unsigned quantity is an enum
17923 and its maximum value fits in signed_type(result_type). Update
17925 (build_conditional_expr): Warn here if one alternative is signed
17926 and the other is unsigned.
17928 2000-01-05 Nick Clifton <nickc@cygnus.com>
17930 * config/fr30/fr30.h: Remove extraneous comments.
17932 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17934 * reload1.c (choose_reload_regs): When disabling a reload, also
17935 set reload_spill_index to -1.
17937 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17939 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17941 (m68*-*-rtemself*): New target.
17942 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17943 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17944 (sparc*-*-rtemself*): New target.
17945 (sparc*-*-rtems*): Now elf not a.out.
17946 * config/i386/rtems.h: Include config/rtems.h.
17947 * config/i386/rtemself.h: Include config/rtems.h.
17948 * config/i960/rtems.h: Include config/rtems.h.
17949 * config/m68k/rtems.h: Include config/rtems.h.
17950 * config/m68k/rtemself.h: Include config/rtems.h.
17951 * config/mips/rtems64.h: Include config/rtems.h.
17952 * config/pa/rtems.h: Include config/rtems.h.
17953 * config/rs6000/rtems.h: Include config/rtems.h.
17954 * config/sh/rtems.h: Include config/rtems.h.
17955 * config/sh/rtemself.h: Include config/rtems.h.
17956 * config/sparc/rtems.h: Include config/rtems.h.
17957 * config/sparc/rtemself.h: Include config/rtems.h
17959 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17961 * final.c (shorten_branches): Correctly compute length of
17962 asms without operands.
17964 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17966 * configure.in: Add pj target.
17967 * configure: Regenerate.
17968 * config/pj: New directory.
17969 * config/pj/lib1funcs.S: New file.
17970 * config/pj/linux.h: New file.
17971 * config/pj/pj.c: New file.
17972 * config/pj/pj.md: New file.
17973 * config/pj/pjl.h: New file.
17974 * config/pj/t-pj: New file.
17975 * config/pj/xm-pj.h: New file
17977 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17979 * toplev.c (rest_of_compilation): Run shorten-branches before
17982 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17984 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17985 macros so that they're consistent with their names.
17986 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17987 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17989 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17991 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17992 modified inadvertently.
17994 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17996 * configure.in (v850*-*-rtems*): New target.
17997 * configure: Regenerate.
17998 * config/v850/rtems.h: New file.
18000 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18002 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18003 (__gthread_key_create): Likewise.
18004 (__gthread_key_dtor): Likewise.
18005 (__gthread_once): Fix logic.
18006 (__gthread_key_delete): Cast away constness.
18008 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18009 * invoke.texi: Document.
18010 * i386/mingw32.h (CPP_SPEC): Use.
18011 (LIBGCC_SPEC): Likewise.
18012 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18014 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18016 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18017 (HANDLE_PRAGMA_PACK): Undefine.
18018 (SLOW_UNALIGNED_ACCESS): Define.
18020 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18022 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18023 to default definition.
18024 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18025 (store_fixed_bit_field): Call macro with word_mode and alignment.
18026 (extract_bit_field): Call macro with relevant mode and alignment.
18027 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18028 to default definition.
18029 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18031 (move_by_pieces_ninsns): Likewise.
18032 (clear_by_pieces): Likewise.
18033 (emit_push_insn): Likewise.
18034 (store_field): Call macro with relevant mode and alignment.
18035 (expand_expr): Likewise.
18036 (expand_expr_unaligned): Likewise.
18038 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18039 (SLOW_UNALIGNED_ACCESS): Define.
18040 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18041 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18042 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18043 (toc_section): Likewise and .toc pseudo-op.
18044 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18046 (TEXT_SECTION_ASM_OP): Likewise.
18047 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18050 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18051 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18052 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18053 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18054 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18056 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18058 * regclass.c: Revert my Jan 4 change to loop cost computation.
18060 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18062 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18065 2000-01-04 Stan Cox <scox@cygnus.com>
18067 * haifa-sched.c (build_control_flow): Change unreachable simple
18068 loop test to check if current block has only one predecessor.
18069 (find_rgns): Initialize degree. Use dest as degree index, not src.
18071 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18073 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18075 * calls.c (expand_call): Likewise for
18076 `old_stack_arg_under_construction'.
18078 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18080 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18083 * gcc.c (execute): Likewise for `ut' and `st'.
18085 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18087 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18089 * jump.c (jump_optimize_1): Likewise for `temp2'.
18091 * local-alloc.c (block_alloc): Likewise for `r1'.
18093 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18095 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18096 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18098 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18101 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18102 and `goal_earlyclobber'.
18104 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18106 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18108 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18110 * unroll.c (copy_loop_body): Likewise for `copy'.
18112 * varasm.c (output_constructor): Likewise for `byte'.
18114 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18116 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18117 all FP constants for constant->reg moves.
18118 (ix86_split_to_parts): Try to convert memory address into immediate
18119 when available in the constant pool.
18120 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18122 (LEGITIMATE_CONSTANT_P): Return 1.
18123 * i386.md (pushsf): New splitter to convert constant pool memory
18124 reference to immediate.
18125 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18128 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18130 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18131 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18132 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18133 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18134 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18136 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18138 * ginclude/stdbool.h: Support compilation as C++.
18140 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18142 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18144 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18146 * regclass.c (regclass): Properly compute loop_cost. Adjust
18149 * regclass.c: Fix minor whitespace problems.
18151 2000-01-03 Anthony Green <green@cygnus.com>
18153 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18154 Restore the pic register if required.
18156 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18158 * c-common.c (format_char_info): Update comment.
18159 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18160 was recognized. Emit warning for formats new in ISO C99 only
18161 if flag_isoc9x is not set.
18163 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18165 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18167 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18169 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18170 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18171 (make_compound_operation): Choose cheaper alternative between
18172 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18174 * regclass.c (op_costs): Remove global variable.
18175 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18176 (record_operand_costs): Break out from ...
18177 (scan_one_insn): ... here.
18178 (dump_regclass): Make dumps nicer.
18179 (regclass): Dump preferrences choosed and changes done during passes.
18181 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18183 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18185 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18187 * config/sparc/sparc.c (gen_df_reg): New function.
18188 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18189 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18190 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18191 movtf_cc_reg_sp64+1): Use it.
18193 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18195 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18196 copied LABEL_DECLs.
18198 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18200 * config/i386/i386.c (ix86_expand_unary_operator): Function
18201 definition made void.
18202 (ix86_expand_binary_operator): Update outdated preceding comment.
18203 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18206 * config/i386/i386.c (override_options): Fix option-name typo.
18208 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18210 * system.h (CEIL): Define.
18211 * builtins.c (CEIL): Remove.
18212 * expmed.c (CEIL): Likewise.
18213 * expr.c (CEIL): Likewise.
18214 * stor-layout.c (CEIL): Likewise.
18216 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18218 * expr.c (store_constructor_field): Fix typo introduced with last
18221 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18223 * tree.h (BINFO_N_BASETYPES): New macro.
18225 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18227 * expmed.c (emit_store_flag): Prevent losing a pending stack
18228 adjust the same way we prevent losing queued increments.
18230 See ChangeLog.2 for earlier changes.