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 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
103 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
105 2000-07-16 Neil Booth <NeilB@earthling.net>
107 * cpplex.c: Update comments.
108 * README.Portability: Small update.
110 2000-07-16 Neil Booth <NeilB@earthling.net>
112 * README.Portability: Small update.
114 2000-07-15 Richard Henderson <rth@cygnus.com>
116 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
117 * config/ia64/ia64.c (ia64_move_ok): New function.
118 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
119 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
121 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
123 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
124 immediately following a paste operator.
125 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
126 (cpp_reader_init): Call it, if HOST_EBCDIC.
127 (cpp_handle_options): Do not sort option list here.
128 (handle_option): Rename to cpp_handle_option and export.
129 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
130 _cpp_get_token directly.
131 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
132 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
133 * cpplib.h: Prototype cpp_handle_option. Update prototype of
136 2000-07-15 Richard Henderson <rth@cygnus.com>
138 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
139 cast around an expression. Tidy other unsigned tests.
141 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
143 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
144 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
145 (v_message_with_decl): Rename to ...
146 (format_with_decl): ... this. Tweak
147 (diagnostic_for_decl): New function.
148 (fatal_io_error): Use verbatim in lieu of notice.
149 (announce_function): Use verbatim.
150 (default_print_error_function): Likewise.
151 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
154 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * mips.c (function_arg_pass_by_reference): Don't do automatic
157 aggregate initialization.
158 (machine_dependent_reorg): Initialize variable `mode'.
160 * mips.md (absdi2): Change variable `regno1' to unsigned int.
161 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
162 conflicts with sys/param.h macro of the same name.
163 (reload_outdi): Likewise.
165 2000-07-15 Michael Meissner <meissner@redhat.com>
167 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
168 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
169 create a new node instead.
171 2000-07-15 Neil Booth <NeilB@earthling.net>
173 * README.Portability: Correct example about calling a function
174 through a pointer to function. Format wide paragraphs.
176 2000-07-15 Michael Meissner <meissner@redhat.com>
178 * README.Portability: Update integer suffixes and function
181 2000-07-15 Neil Booth <NeilB@earthling.net>
183 * README.Portability: Small update.
185 2000-07-15 Neil Booth <NeilB@earthling.net>
187 * README.Portability: New file.
189 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
191 * INSTALL: Give special instructions for building GCC on Irix 6.
192 * config/mips/x-iris6 (CC): Don't set it.
195 2000-07-14 Jason Merrill <jason@redhat.com>
197 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
198 register in the stack and later in another register, use the new
201 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
203 * config/mips/mips.md: (absdi2): Handle sign_extend for
206 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
208 * cpplib.c (do_pragma_dependency): Tidy warning messages.
210 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
212 * .cvsignore: Correct typo.
214 2000-07-13 Mark Mitchell <mark@codesourcery.com>
216 * .cvsignore: Add generated YACC files.
217 * objc/.cvsignore: New file.
219 2000-07-14 Neil Booth <NeilB@earthling.net>
221 * cpplex.c (adjust_column): New funcion.
222 (skip_whitespace): Use it.
223 (skip_block_comment): Use it, and warn about /*/* with
226 2000-07-14 Neil Booth <NeilB@earthling.net>
228 * cpphash.c (struct macro_info): Add new members.
229 (_cpp_free_definition): Delete the macro directly.
230 (count_params): Return void, with first token of
231 expansion in struct macro_info on success.
232 (parse_define): Return int. Hoist syntax checking from
233 save_macro_expansion. Leave call to save_expansion to
234 _cpp_create_definition.
235 (alloc_macro): Needs just 2 arguments.
236 (free_macro): Delete.
237 (save_expansion): Don't perform syntax check.
238 (_cpp_create_definition): Call save_expansion.
240 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
242 * genrecog.c (write_header): Split long string.
244 * cpphash.c (macro_info): Don't use the `signed' keyword.
246 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
248 2000-07-13 Jakub Jelinek <jakub@redhat.com>
250 * calls.c (stored_args_map): New variable.
251 (check_sibcall_argument_overlap_1): New.
252 (check_sibcall_argument_overlap): New.
253 (expand_call): Initialize stored_args_map.
254 Call check_sibcall_argument_overlap.
256 2000-07-13 Bruce Korb <bkorb@gnu.org>
258 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
259 (emit_gnu_type): utility procedure for gnu_type_fix
260 (gnu_type_fix): implement various pre-processor guards around
261 standard types so these types can be defined over and over
262 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
263 types alluded to above will have GNU-compliant base types
264 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
265 * fixinc/inclhack.def: add test_text entries and utilize the new
266 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
267 * fixinc/fixincl.x: regenerate
269 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
271 * diagnostic.c (vline_wrapper_message_with_location,
272 v_message_with_file_and_line, v_error_with_file_and_file,
273 v_error_for_asm, v_warning_for_asm, vfatal,
274 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
275 vsorry, verror, vwarning, vpedwarn): Remove.
276 (diagnostic_for_asm): New function.
277 (pedwarn, error, warning, pedwarn_with_file_and_line,
278 error_with_file_and_line, warning_with_file_and_line, sorry,
279 error_for_asm, warning_for_asm, fatal): Reimplement.
280 (finish_diagnostic): Clear diagnostic info as well.
282 2000-07-13 Neil Booth <NeilB@earthling.net>
284 * c-common.h (flag_digraphs): New.
285 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
286 * c-lex.c (yylex): Use flag_digraphs to decide whether to
289 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
291 * gcc.c (do_spec_1): Add new %B operator.
292 (set_input): Prepare for %B.
294 (link_command_spec): Move up with the other tm.h-
295 overrideable specs. Factor out the portion conditional on
296 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
297 (struct compiler): Just have a single spec string. All users
299 (default_compilers): Remove unnecessary braces.
300 (static_specs): Update.
302 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
304 (C and assembly specs): Use the new named specs, as appropriate.
306 * objc/lang-specs.h: Use the new named specs.
307 Remove unnecessary braces.
309 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
311 * gcc.c (execute): If a subprocess gets a fatal signal, report
312 strsignal() of the signal number, and ask for a bug report.
313 Do not do this for SIGPIPE if there's already been an error.
315 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
320 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
322 * final.c (profile_function): Do not emit profile counters in
323 the data section, if NO_PROFILE_COUNTERS is defined.
324 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
327 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
328 (FUNCTION_PROFILER): Just emit a call to mcount.
330 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
332 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
334 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
335 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
336 traditional, lang_chill, or lang_fortran.
338 * cppfiles.c: #undef strcmp to suppress warning about macros
339 used without arguments.
340 (_cpp_execute_include): Use f, not fname, in "No include path"
342 (_cpp_pop_file_buffer): New function.
343 * cpplib.c: Don't include <sys/mman.h>.
344 (cpp_push_buffer): Set line_base and lineno in new buffer.
345 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
347 * cpplex.c: Move all prototypes and structure declarations to the
348 top of the file. Properly parenthesise some macro arguments.
349 (cpp_scan_line): New function.
350 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
351 don't need to walk up the stack counting.
353 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
355 * c-common.c (combine_strings): Emit a pedantic warning when a
356 string length is greater than the minimum ANSI C is required
359 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
361 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
362 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
364 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
366 * c-decl.c (define_label): Warn about identifier conflicts with
367 labels in traditional C.
369 * c-parse.in (unop +): Warn about the unary plus operator for
372 * c-typeck.c (store_init_value): Warn about automatic aggregate
373 initialization for traditional C.
375 * invoke.texi (-Wtraditional): Document new warnings.
377 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
379 * Makefile.in (c-errors.o): Fix thinko in dependency.
381 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
383 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
384 -traditional, -ftraditional, or -traditional-cpp was given.
385 Do not pass -traditional to the preprocessor.
386 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
387 preprocessor does it automatically.
388 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
390 * ch/lang-specs.h: Always use tradcpp. Do not pass
391 -traditional, -trigraphs, or -pedantic to the preprocessor.
392 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
395 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
397 * cppexp.c (LOGICAL): Delete macro.
398 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
401 * cpphash.c (HASHSIZE): Increase to 4096.
402 (struct hashdummy): Add hash field.
403 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
404 the string values using memcmp.
405 (cpp_lookup): Set dummy.hash.
407 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
409 * configure.in (m88k-openbsd): Express configuration using new fragment
411 * configure: Rebuilt.
412 * m88k/aout-dbx.h: New.
413 * m88k/openbsd.h: New.
414 * m88k/xm-openbsd.h: New.
416 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
418 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
420 2000-07-12 Richard Henderson <rth@cygnus.com>
422 * reload.c (push_secondary_reload): Make sure to add the new
423 reload at the end, after acquiring secondary memory.
425 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
427 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
429 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
430 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
432 * c-parse.in (stmt): Delete unused variables.
434 * convert.c (convert_to_vector): Likewise.
436 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
438 * tree.c (finish_vector_type): Prototype.
440 2000-07-12 Bruce Korb <bkorb@gnu.org>
442 * fixinc/fixfixes.c: use xmalloc
443 * fixinc/fixincl.c(initialize): set program name for xmalloc
444 * fixinc/fixlib.c(must_malloc): obsolete
445 (is_cxx_header): no longer used - disabled
446 (skip_quote): inserted and disabled for future use
447 * fixinc/fixlib.h: reflects above
448 * fixinc/fixtests.c: removed dinkleberries
450 2000-07-12 Neil Booth <NeilB@earthling.net>
452 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
453 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
455 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
456 struct toklist_dummy): New.
457 (cpp_free_definition): Free macros with free_macro.
458 (count_params): Don't save paramter spellings. Save macro
459 information in a struct macro_info.
460 (parse_define): Don't allocate a token list.
461 (save_expansion): Allocate the macro's token list, and
462 save parameter spellings if necessary. Use TOKEN_SPELL.
463 (cpp_create_definition): Make list const.
465 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
467 * c-typeck.c (pedwarn_c99): Move to
468 * c-errors.c: ... Here.
469 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
470 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
471 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
472 (c-errors.o): List dependency.
474 2000-07-12 Mark Mitchell <mark@codesourcery.com>
477 * c-parse.h: Likewise.
478 * c-parse.y: Likewise.
479 * objc/objc-parse.c: Likewise.
480 * objc/objc-pasre.y: Likewise.
482 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
484 * gcc.texi: Fix minor typos
485 * extend.texi: Fix minor typos
487 2000-07-11 Marc Espie <espie@openbsd.org>
489 * collect2.c (main): Recognize .lo as object files.
491 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
493 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
496 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
497 with MAP_ANONYMOUS and MAP_ANON.
498 * configure, config.in: Rebuilt.
500 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
502 * diagnostic.c (save_output_state): Remove.
503 (restore_output_state): Likewise.
504 (clear_text_info): New function.
505 (clear_diagnostic_info): Likewise.
506 (output_text_length, is_starting_newline, output_prefix,
507 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
508 prefixing_policy, output_buffer_ptr_to_format_args): New macros
509 (set_real_maximum_length, output_set_maximum_length,
510 output_set_prefix, output_get_prefix, output_set_maximum_length,
511 output_destroy_prefix, init_output_buffer,
512 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
513 output_add_newline, output_add_character, output_add_space,
514 output_append_r, output_append, wrap_text, output_format,
515 output_do_printf, output_printf, output_do_verbatim,
516 output_verbatim, verbatim): Use them.
517 (output_clear): Split into cleat_text_info and
518 clear_diagnostic_info.
519 (struct output_state): Move to...
521 * diagnostic.h: ...Here
522 (struct output_buffer): Adjust.
524 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
526 * cpplex.c (parse_name): No longer inline (premature optimization).
527 (do_pop_context): Fold into pop_context.
528 (pop_context): Returns int.
529 (lex_next): Hoist test for end of directive into pop_context.
530 (push_macro_context): Returns int; takes just reader and token.
531 Hoist test for excessive nesting to caller.
532 (push_arg_context): Returns void; takes just reader and token.
533 Do not call stringify_arg or get_raw_token.
534 (get_raw_token): Convert tail recursion through push_arg_context
535 to a loop at this level. Call stringify_arg here if appropriate.
536 (maybe_paste_with_next): Convert tail recursion to a while loop.
537 Hoist test of paste_level to caller.
539 (stringify_arg): Push arg context at beginning.
540 (cpp_get_token): Split out core into _cpp_get_token. Call
541 process_directive here. Throw away CPP_PLACEMARKER tokens.
542 (_cpp_get_token): Convert tail recursion through
543 push_macro_context to a loop at this level.
544 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
545 _cpp_get_raw_token): Use _cpp_get_token.
546 (_cpp_skip_rest_of_line): Drop the context stack directly; do
547 not call pop_context.
548 (_cpp_run_directive): Call lex_next directly.
550 * cpphash.h: Prototype _cpp_get_token.
551 * cppexp.c (lex): Use it.
552 * cpphash.c (parse_define): Use it.
553 * cpplib.c (get_define_node, do_undef, parse_include,
554 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
555 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
556 parse_ifdef, validate_else): Use it.
557 (cpp_push_buffer): Tweak error message; abort if anyone tries
558 to push a buffer while macro expansions are stacked.
560 2000-07-11 Donn Terry <donnte@microsoft.com>
562 * cpplex.c (free_macro_args, save_token): Cast arg of free
563 and/or xrealloc to PTR.
564 (_cpp_init_input_buffer): Clear all fields of the base context.
566 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
568 * gensupport.c (process_rtx): Make rtl checking stop
569 complaining about the define_insn while it is being
570 converted from a define_insn_and_split.
572 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
574 * config/mips/mips.c (simple_memory_operand): Access the
575 INTVAL of the address, not it's containing MEM.
577 2000-07-11 Bruce Korb <bkorb@gnu.org>
579 * fixinc/fixtests.c(double_slash): obsolete
580 (else_endif_label): likewise
581 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
582 (libc1_ifdefd_memx): correct initial comment
583 and omit the #if/#endif pair from the memxxx declarations
584 * fixinc/fixincl.x: regen
586 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
588 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
590 2000-07-11 Neil Booth <NeilB@earthling.net>
594 2000-07-11 Neil Booth <NeilB@earthling.net>
596 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
597 (handle_option): Set digraphs according to standard.
598 Merge OPT_lang_c89 handler with OPT_std_c89.
600 * cpplex.c: (lex_line, can_paste): Honour digraphs in
601 accordance with the digraphs flag.
603 * cpplib.h: (struct cpp_options): New option digraphs.
605 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
606 Bruce Korb <bkorb@gnu.org>
608 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
609 * fixinc/fixincl.x: Regenerate.
610 * fixinc/tests/base/testing.h: Add testcase.
612 2000-07-10 Richard Henderson <rth@cygnus.com>
614 * config/ia64/ia64.c (got_symbolic_operand): New.
615 (symbolic_operand, move_operand): Revert 0701 change.
616 * config/ia64/ia64.h (PREDICATE_CODES): Update.
617 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
618 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
619 split the offset into a 14-bit low part instead of a 13-bit low part.
620 (load_fptr): Mark the mem as unchanging.
621 (load_symptr): Use got_symbolic_operand.
623 2000-07-10 Nick Clifton <nickc@cygnus.com>
625 * libgcc2.c (next_stack_level): Cast result of computation to
626 (void **) so that the assignment does not generate a warning.
628 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
630 * flags.h : Add new variable flag_single_precision_constant.
631 * toplev.c (display_help) : Add -fsingle-precision-constant option.
632 (flag_single_precision_constant): New.
633 * c-lex.c (yylex): Convert floating point constant to single
635 * invoke.texi : Add documentation for this new option.
637 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
639 * diagnostic.c (output_octal): Second parameter is unsigned.
640 (output_long_octal): Likewise.
641 (output_hexadecimal): Likewise.
642 (output_long_hexadecimal): Likewise.
643 (output_format): Adjust arguments extraction. Tweak.
644 (output_verbatim, verbatim): End variable argument list.
645 (report_diagnostic): Improve documentation.
647 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
649 * c-common.h (build_stmt): Declare.
650 (build_continue_stmt): Likewise.
651 (build_break_stmt): Likewise.
652 (build_return_stmt): Likewise.
654 * c-decl.c (do_case): Rewrite to do what previously done in
657 * c-semantics.c (build_stmt): Define.
658 (build_return_stmt): Likewise.
659 (build_break_stmt): Likewise.
660 (build_continue_stmt): Likewise.
661 (build_case_label): Likewise.
663 * c-parse.in (BREAK): Change to build tree, then generate RTL.
664 (CONTINUE): Likewise.
669 * c-parse.y: Regenerate.
670 * c-pasre.c: Likewise.
672 2000-07-09 Jason Merrill <jason@redhat.com>
674 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
676 * tree.h (STRIP_NOPS): Check for error_mark_node.
677 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
678 (dwarf2out_*): Remove duplicate declarations.
680 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
681 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
683 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
685 * diagnostic.c (wrap_text): New function.
686 (maybe_wrap_text): Likewise.
687 (output_add_string): Use it.
688 (output_format): Likewise.
689 (count_error): Use verbatim instead of notice.
690 (report_error_function): Likewise. Don't use plain fprintf.
691 (finish_diagnostic): New function.
692 (output_do_verbatim): Tweak. Commonalize functionalities in
693 output_verbatim and verbatim.
694 (output_verbatim): Adjust.
695 (verbatim): Likewise.
696 (report_diagnostic): Define.
698 * diagnostic.h (report_diagnostic): Prototype.
700 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
702 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
704 2000-07-09 Neil Booth <NeilB@earthling.net>
706 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
707 IShspace, ISspace: Update.
709 * cppinit.c: ISTABLE: Update.
712 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
713 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
714 (skip_block_comment, skip_line_comment, parse_string,
715 lex_line): Use is_vspace rather than IS_NEWLINE.
716 (skip_whitespace, lex_line): Clean up to use is_nvspace.
717 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
719 (lex_next): Unconditionally stop if within a directive.
720 Treat directives within macro invocations as directives
721 (after parse_args emits error), not as the argument.
723 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
725 * diagnostic.c (diagnostic_args): New macro.
726 (diagnostic_msg): Likewise.
727 (output_formatted_integer): Likewise.
728 (output_state): New data type.
729 (digit_buffer): Make global.
730 (output_add_integer): Rename to output_decimal. Squeeze
732 (output_long_decimal, output_unsigned_decimal,
733 output_long_unsigned_decimal, output_octal, output_long_octal,
734 output_hexadecimal, output_long_hexadecimal): New functions.
735 (output_append_r): New function.
736 (output_append): Tweak.
737 (output_flush_on): Rename to output_to_stream.
738 (output_format): Change prototype. Improve documentation. Handle
739 more format specifiers.
740 (build_location_prefix): Rename to context_as_prefix.
741 (output_notice): Rename to output_do_printf.
742 (output_printf): Tweak.
743 (line_wrapper_printf): Likewise.
744 (vline_wrapper_message_with_location): Adjust call to renamed
746 (v_message_with_decl): Likewise.
747 (default_print_error_function): Likewise.
748 (save_output_state): New function.
749 (restore_output_state): Likewise.
750 (output_do_verbatim): Likewise.
751 (output_verbatim): Define.
752 (verbatim): Likewise.
754 * diagnostic.h (printer_fn): Change return type from void to int.
755 Improve documentation.
756 (output_add_integer): Rename to output_decimal.
757 (output_flush_on, output_format): Don't export.
758 (output_verbatim, verbatim): Declare.
760 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
762 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
763 Check whether c divides op1 exactly if operation is not
766 2000-07-08 Richard Henderson <rth@cygnus.com>
768 * final.c (final): Do not abort when reg-stack introduces
771 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
773 * cpplib.h (struct cpp_name): Now struct cpp_string.
774 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
775 CPP_HEADER_NAME): Change to type S.
776 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
777 field, a cpp_hashnode *. All references to val.name updated
778 to use val.str or val.node as appropriate.
779 (struct cpp_reader): Add spec_nodes field.
780 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
782 * cpphash.h (struct spec_nodes): New.
783 (enum spell_type): Reorder. Only SPELL_STRING tokens use
784 val.str. All references to 'spelling > SPELL_NONE' updated to
787 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
788 pfile->buffer->inc are not NULL before dereferencing them.
790 * cpplex.c (parse_name): Take a pointer to the current token,
791 plus current position and limit as args; return the new
792 position; don't copy the text of a name into the string
793 buffer, instead call cpp_lookup and store the node pointer.
794 If extending a token, copy out the text of the old into a
795 scratch buffer, append the new, look that up and store the new
796 node pointer. Inline.
797 (maybe_paste_with_next): If the result of paste is a NAME,
798 then look up the pasted text and store its node pointer.
799 (lex_line): Adjust for new parse_name interface.
800 Check for L"str", L'str' using spec_nodes->n_L.
801 (spell_token): SPELL_IDENT tokens have their spelling in
802 val.node->name. Handle SPELL_STRING tokens that don't have
804 (_cpp_expand_name_space,
805 (can_paste): Check for L ## "str" using spec_nodes->n_L.
806 (cpp_get_token, special_symbol): No need to call cpp_lookup.
807 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
808 return 1=equal 0=not, not a tristate.
810 * cpphash.c (var_args_str): Delete.
811 (find_param): Compare node fields directly.
812 (is__va_args__): Use CPP_PEDANTIC. Just compare
813 token->val.node with spec_nodes->n__VA_ARGS__.
814 (dump_funlike_macro): Don't use var_args_str.
816 * cpplib.c (_cpp_check_directive): Just walk through
817 spec_nodes->dirs comparing pointers.
818 (get_define_node, do_pragma_poison, detect_if_not_defined,
819 parse_ifdef): The identifier has already been looked up.
820 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
822 (do_if): Only call detect_if_not_defined at beginning of file.
823 (_cpp_parse_assertion): Only copy string pointers for
825 (pragma_dispatch): Take a node pointer and examine its name
827 (_cpp_init_stacks): Also initialize the spec_nodes structure.
829 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
831 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
832 reverse order from the corresponding _cpp_init_* routines.
834 * cppexp.c (parse_number, parse_charconst, parse_defined,
835 lex): Check val.node->type instead of calling cpp_defined.
836 Use spec_nodes entries where appropriate.
838 * fix-header.c, scan-decls.c: Update for interface changes.
840 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
842 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
843 emitting aux_truncdfsf2.
845 2000-07-03 Donn Terry (donnte@microsoft.com)
847 * cppinit.c (print_help): split overlong line into ISO C89
850 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
852 * cppexp.c: Update all code for new lexer interface.
853 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
854 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
855 * cpplex.c (token_names): Trim leading CPP_ from names; make
856 the strings unsigned.
857 (_cpp_spell_operator): New.
858 (is_macro_disabled): Disable all macros if rescanning
860 (_cpp_get_directive_token): Remove.
862 * cppinit.c: Don't set no_macro_expand.
863 * cpplib.c (read_line_number, do_line): Check only for EOF,
865 * cpphash.h: Update prototypes.
866 * cpplib.h (CPP_VSPACE): Remove.
867 (struct cpp_reader): Remove no_macro_expand.
869 2000-07-08 Neil Booth <NeilB@earthling.net>
871 * cpphash.c (is__va_args__): New function.
872 (count_params): Fix line reported in error messages. Use
873 is__va_args__. Don't return ')' on error. Flag GNU style
874 rest args macro definitions.
875 (parse_define): Check macro name is not __VA_ARGS__.
876 (save_expansion): Check identifier in non-varargs-macro is
877 not __VA_ARGS__. Don't flag GNU_VARARGS.
878 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
879 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
880 than per-token GNU_VARARGS.
881 * cpplib.h (GNU_VARARGS): Remove.
882 (GNU_REST_ARGS): New.
884 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
886 * i386.md (call_pop, call, call_value_pop): Do not set
887 current_function_uses_pic_offset_table for calls to static
888 functions or indirect calls.
890 2000-07-07 Jim Wilson <wilson@cygnus.com>
892 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
893 is_predicate_reg, then take max write_count of register pair.
895 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
897 * tradcpp.c (main): Rename label `include' to `add_include' to
898 avoid conflicts with variable `include' in traditional C.
900 2000-07-07 Jakub Jelinek <jakub@redhat.com>
902 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
904 2000-07-07 Jakub Jelinek <jakub@redhat.com>
906 * sibcall.c (uses_addressof): Add INMEM argument, check for
907 current_function_internal_arg_pointer outside of MEM rtxs in addition
909 (sequence_uses_addressof): Update caller.
911 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
913 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
916 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
918 * system.h (UNION_INIT_ZERO): New macro for initializing union
921 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
923 2000-07-07 Neil Booth <NeilB@earthling.net>
927 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
929 * final.c (final): Detect out of bounds array access to
930 the insn_lengths array.
932 2000-07-07 Kazu Hirata <kazu@hxi.com>
934 * fold-const.c (fold): Fix a comment typo.
936 2000-07-07 Neil Booth <NeilB@earthling.net>
938 * cpp.texi: Update to new lexer.
940 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
942 * tradcpp.c: New file.
943 * tradcif.y: New file.
944 * tradcif.c: New generated file.
946 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
947 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
948 dependencies of C. Install tradcpp from install-common, in
951 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
953 * cppinit.c: Include cppdefault.h. Refer to
954 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
955 to GCC_INCLUDE_DIR and its length.
956 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
957 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
958 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
960 (include_defaults_array): Move to cppdefault.c.
962 * cppdefault.h: New file.
963 * cppdefault.c: New file.
965 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
966 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
967 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
970 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
972 * reload.c (push_reload): When seeing if can reuse a register,
973 check extra registers against widest of INMODE and OUTMODE.
975 2000-07-06 Neil Booth <NeilB@earthling.net>
977 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
978 based on full length of predicate.
980 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
982 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
983 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
985 2000-07-05 Kazu Hirata <kazu@hxi.com>
987 * h8300-proto.h: Fix formatting.
991 2000-07-05 Jim Wilson <wilson@cygnus.com>
993 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
996 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
998 * invoke.texi: Fix minor typos
999 * md.texi: Fix minor typos
1001 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1003 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1005 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1007 * cpplex.c: Don't include sys/mman.h.
1008 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1010 * cpplib.c: Include sys/mman.h and obstack.h.
1011 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1013 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1014 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1015 bother freeing if stack entries (they will be freed with their buffer).
1016 (do_endif): Free if stack entries from the buffer obstack.
1017 (push_conditional): Allocate if stack entries from the buffer obstack.
1019 (find_answer): Rename to _cpp_find_answer.
1020 (do_assert, do_unassert): Update.
1022 * cpphash.h: Update prototypes.
1023 (xobnew): New convenience macro.
1024 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1026 (struct cpp_hashnode): Remove disabled field.
1028 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1029 (report_missing_guard): Moved to cppfiles.c.
1030 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1032 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1033 cpp_cleanup_includes. Don't destroy hashtab or
1034 all_include_files here.
1035 (cpp_finish): Use _cpp_report_missing_guards.
1037 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1038 (_cpp_init_include_table): Rename _cpp_init_includes.
1039 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1041 * cppexp.c (parse_assertion): Update for new name of
1044 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1046 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1048 * cpplib.c (do_ident): s/VSPACE/EOF/
1050 2000-07-05 Neil Booth <NeilB@earthling.net>
1052 * cpplex.c: Fix trigraph replacement within strings.
1054 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1056 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1058 * xcoffout.c (assign_type_number): Constify.
1059 (xcoffout_source_file): Add static prototype. Don't needlessly
1060 cast away const-ness.
1062 2000-07-04 Jason Merrill <jason@redhat.com>
1064 * frame.h (frame_state): Move base_offset to end.
1066 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1068 * calls.c (emit_library_call_value_1): Revert previous change.
1070 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1072 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1073 (recognized_extern, recognized_function, read_scan_file):
1074 Update for new scheme.
1075 (check_protection): It's still a multiple include guard even
1076 if it doesn't always trigger.
1077 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1079 * scan.h: Declare struct cpp_token. Update prototypes.
1081 2000-07-03 Neil Booth <neilb@earthling.net>
1082 Zack Weinberg <zack@wolery.cumb.org>
1084 Complete overhaul of the lexer and macro expander.
1086 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1087 arg, arglist, argdata, reflist, collect_objlike_expansion,
1088 collect_funlike_expansion, collect_params,
1089 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1090 unsafe_chars, macarg, compare_defs, special_symbol,
1091 scan_arguments, stringify, funlike_macroexpand,
1092 _cpp_quote_string, monthnames): Delete.
1093 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1094 _cpp_create_definition, _cpp_dump_definition,
1095 dump_hash_helper): Adjust.
1096 (find_param, count_params, parse_define, var_args_str,
1097 check_macro_redefinition, save_expansion): New.
1099 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1100 parse_string, output_line_command, trigraph_replace,
1101 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1102 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1103 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1104 _cpp_skip_rest_of_line): Modify.
1106 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1107 find_position, null_warning, bump_column, expand_name_space,
1108 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1109 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1110 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1111 _cpp_prescan): Delete.
1113 (dump_param_spelling, process_directive, lex_next,
1114 is_macro_disabled, stringify_arg, expand_context_stack,
1115 output_token, make_string_token, alloc_number_token,
1116 special_symbol, duplicate_token, maybe_paste_with_next,
1117 can_paste, prevent_macro_expansion, restore_macro_expansion,
1118 get_temp_token, release_temp_tokens, quote_string,
1119 token_names, token_spellings, _cpp_expand_name_space,
1120 _cpp_glue_header_name, _cpp_reserve_name_space,
1121 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1122 placemarker_token, eof_token, cpp_context, macro_args,
1123 get_raw_token, parse_arg, parse_args, save_token,
1124 push_arg_context, push_macro_context, pop_context,
1125 do_pop_context, free_macro_args, _cpp_get_line,
1126 _cpp_run_directive): New.
1128 * cpplib.c (validate_else, parse_include, push_conditional,
1129 pass_thru_directive, read_line_number, parse_ifdef,
1130 detect_if_not_defined, _cpp_check_directive, do_define,
1131 do_undef, do_include, do_import, do_include_next, do_error,
1132 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1133 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1134 do_pragma_poison, do_pragma_system_header,
1135 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1136 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1137 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1138 cpp_defined): Update for new scheme.
1139 (strtoul_for_line, get_define_node, dump_macro_name,
1140 _cpp_check_linemarker, _cpp_parse_assertion): New.
1141 (_cpp_handle_directive, do_pragma_default): Delete.
1143 * cpphash.h (struct predicate): Now struct answer.
1144 (enum spell_type, struct token_spelling, struct directive,
1145 directive_handler): New.
1146 Update prototypes. Remove unused macros.
1147 * cpplib.h: Update prototypes. Remove unused macros,
1148 structure definitions, and fields.
1150 * cpperror.c (print_containing_files, v_message): Adjust.
1151 * cppexp.c (parse_assertion, lex, parse_escape,
1152 _cpp_parse_expr): Adjust.
1153 * cppfiles.c (open_include_file, _cpp_execute_include,
1154 _cpp_compare_file_date, cpp_read_file, read_include_file):
1156 * cppinit.c (dump_special_to_buffer): Delete.
1157 (append_include_chain, merge_include_chains, cpp_reader_init,
1158 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1159 cpp_finish, handle_option, print_help): Adjust.
1160 * cppmain.c (main): Adjust.
1162 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1164 * cppspec.c (lang_specific_driver): Use double quotes in error
1167 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1169 * calls.c (emit_library_call_value_1): Use valreg instead
1170 of hard_libcall_value.
1172 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1174 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1175 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1176 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1184 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1185 mode instead of wider_mode is being used.
1187 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1189 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1190 of 'r'. Use q_regs_operand.
1191 (andsi_1+2): Use q_regs_operand.
1193 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1195 * builtins.c (get_memory_rtx): Always put into alias set 0.
1197 2000-07-03 Nick Clifton <nickc@cygnus.com>
1199 * config/arm/arm.md: Fix post increment and pre increment
1200 peepholes so that they do not generate UNPREDICATBLE opcodes.
1201 (ie ones where the increment clobbers the source/destination).
1203 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1205 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1206 change too big for -mtiny-stack" a warning, if larger than 63.
1207 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1208 always safe to use on possible future devices.
1209 (function_prologue): Write SPH before SPL, for consistency.
1210 If interrupt_func_p true, we know we have enabled interrupts.
1211 (avr_num_arg_regs): New function. Round up to even number of
1212 bytes if no -mpack-args or if calling a libgcc function.
1213 (function_arg, function_arg_advance): Use it.
1214 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1215 Output "movw" if available.
1216 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1217 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1218 (asm_output_section_name): Add blanks for consistent output.
1219 (encode_section_info): Set TREE_READONLY for progmem data to
1220 avoid gas warnings about changed section attributes.
1221 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1222 even numbered registers on devices with "movw".
1223 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1224 (TARGET_SWITCHES): Mark help strings for translation.
1225 Add new -mpack-args and -menhanced switches.
1226 (TARGET_OPTIONS): Mark help strings for translation.
1227 (progmem_section): Add section attributes.
1228 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1229 Output "movw" if available.
1230 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1232 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1233 call convention (arguments aligned on even registers).
1234 (_cleanup, _exit): Make weak symbols libc can override.
1236 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1238 * fp-bit.h: New file.
1240 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1241 Comment #endif statements.
1242 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1244 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1246 * gcse.c (compute_pre_data): Compute ae_kill using other local
1247 properties instead of calling compute_ae_kill.
1249 * alias.c (init_alias_analysis): Do not call
1250 prologue_epilogue_contains until after reload has completed.
1252 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1254 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1255 (genrtl_finish_compound_stmt): Likewise.
1256 (genrtl_compound_stmt): Change to return void.
1258 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1259 move code from here to ...
1260 (genrtl_compound_stmt): ... here.
1261 (genrtl_finish_compound_stmt): Remove.
1262 (expand_stmt): Add comment.
1264 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1266 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1269 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1271 * cpplib.h (struct cpp_reader): New field include_depth.
1272 (struct cpp_printer): Rename last_bsd to last_id.
1273 * cppfiles.c (read_include_file): Bump include_depth.
1274 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1275 (output_line_command): Output correct #line if a header
1276 is including itself and is not protected against multiple inclusion.
1277 Use include_depth instead of buffer_stack_depth, last_id instead of
1279 * cppinit.c (cpp_start_read): Initialize last_id instead of
1282 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1284 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1285 (c-semantics.o): New target.
1287 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1288 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1289 (genrtl_clear_out_block): Likewise.
1290 (genrtl_goto_stmt): Likewise.
1291 (genrtl_expr_stmt): Likewise.
1292 (genrtl_decl_stmt): Likewise.
1293 (genrtl_if_stmt): Likewise.
1294 (genrtl_while_stmt): Likewise.
1295 (genrtl_do_stmt): Likewise.
1296 (genrtl_return_stmt): Likewise.
1297 (genrtl_for_stmt): Likewise.
1298 (genrtl_break_stmt): Likewise.
1299 (genrtl_continue_stmt): Likewise.
1300 (genrtl_scope_stmt): Likewise.
1301 (genrtl_switch_stmt): Likewise.
1302 (genrtl_case_label): Likewise.
1303 (genrtl_begin_compound_stmt): Likewise.
1304 (gerntl_finish_compound_stmt): Likewise.
1305 (genrtl_compound_stmt): Likewise.
1306 (genrtl_asm_stmt): Likewise.
1307 (genrtl_decl_cleanup): Likewise.
1308 (DECL_ANON_UNION_ELEMS): Likewise.
1309 (emit_local_var): Likewise.
1310 (make_rtl_for_local_static): Likewise.
1311 (expand_cond): Likewise.
1312 (expand_stmt): Likewise.
1313 (c_expand_return): Likewise.
1314 (c_expand_start_case): Likewise.
1315 (do_case): Likewise.
1316 (COMPOUND_STMT_NO_SCOPE): Likewise.
1317 (c_expand_asm_operands): Likewise.
1318 (NEW_FOR_SCOPE_P): New macro.
1319 (expand_expr_stmt_fn): New type.
1321 (set_current_function_name_declared): Likewise.
1322 (current_function_name_declared): Likewise.
1323 (lang_expand_stmt): Likewise.
1324 (stmts_are_full_exprs_p): Likewise.
1325 (anon_aggr_type_p): Likewise.
1326 (lang_expand_expr_stmt): Likewise.
1327 (build_case_label): Likewise.
1329 * c-decl.c (lang_expand_expr_stmt): Initialize.
1330 (stmts_are_full_exprs_p): Define.
1331 (current_function_name_declared): Likewise.
1332 (do_case): Likewise.
1333 (lang_expand_stmt): Likewise.
1334 (set_current_function_name_declared): Likewise.
1335 (anon_aggr_type_p): Likewise.
1337 * c-semantics.c: New file.
1338 (expand_cond): Moved from cp/semantics.c.
1339 (genrtl_do_pushlevel): Likewise.
1340 (genrtl_clear_out_block): Likewise.
1341 (genrtl_goto_stmt): Likewise.
1342 (genrtl_expr_stmt): Likewise.
1343 (genrtl_decl_stmt): Likewise.
1344 (genrtl_if_stmt): Likewise.
1345 (genrtl_while_stmt): Likewise.
1346 (genrtl_do_stmt): Likewise.
1347 (genrtl_return_stmt): Likewise.
1348 (genrtl_for_stmt): Likewise.
1349 (genrtl_break_stmt): Likewise.
1350 (genrtl_continue_stmt): Likewise.
1351 (genrtl_scope_stmt): Likewise.
1352 (genrtl_switch_stmt): Likewise.
1353 (genrtl_case_label): Likewise.
1354 (genrtl_begin_compound_stmt): Likewise.
1355 (genrtl_finish_compound_stmt): Likewise.
1356 (genrtl_compound_stmt): Likewise.
1357 (genrtl_asm_stmt): Likewise.
1358 (genrtl_decl_cleanup): Likewise.
1359 (make_rtl_for_local_static): Moved from cp/decl.c.
1360 (emit_local_var): Likewise.
1361 (expand_stmt): Define.
1363 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1364 (c_expand_return): Likewise.
1365 (c_expand_start_case): Likewise.
1367 2000-07-01 Richard Henderson <rth@cygnus.com>
1369 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1370 with the low 13 bits set.
1371 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1372 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1373 of the low 13 bits into a CONST plus an adddi3.
1374 (load_symptr): Set RTX_UNCHANGING_P.
1376 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1378 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1379 * c-common.c (ridpointers): Declare.
1380 * c-common.h (enum rid): Declare.
1382 (ridpointers): Likewise.
1383 * c-lex.c (ridpointers): Don't declare.
1384 (init_lex): Initialize ridpointers.
1385 * c-lex.h (enum rid): Don't declare.
1387 (RID_FIRST_MODIFIER): Likewise.
1388 (ridpointers): Likewise.
1390 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1392 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1395 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1397 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1400 2000-06-30 Catherine Moore <clm@cygnus.com>
1402 * c-common.c (decl_attributes): Differentiate between
1403 types and type decls for alignment.
1405 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1407 * cpp.texi: Document #pragma GCC dependency
1408 * cppfiles.c (open_include_file): Set date to unknown.
1409 (_cpp_compare_file_date): New function.
1410 (read_include_file): Set file date.
1411 * cpphash.h (struct include_file): Add date member.
1412 (_cpp_compare_file_date): Prototype.
1413 * cpplib.c (parse_include): Add trail parameter. Adjust.
1414 (do_include): Adjust parse_include call.
1415 (do_import): Likewise.
1416 (do_include_next): Likewise.
1417 (gcc_pragmas): Add dependency pragma.
1418 (do_pragma_dependancy): New pragma.
1420 2000-06-29 Jason Merrill <jason@redhat.com>
1422 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1425 2000-06-29 Jim Wilson <wilson@cygnus.com>
1427 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1428 a volatile mem and FR_REGS.
1430 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1432 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1433 * c-common.h (flag_const_strings): Declare.
1434 (warn_format): Likewise.
1435 (flag_traditional): Likewise.
1436 (flag_isoc99): Likewise.
1437 (warn_parentheses): Likewise.
1438 (warn_conversion): Likewise.
1439 (C_TYPE_OBJECT_P): Likewise.
1440 (C_TYPE_INCOMPLETE_P): Likewise.
1441 (C_TYPE_FUNCTION_P): Likewise.
1442 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1443 (C_EXP_ORIGINAL_CODE): Likewise.
1444 (build_unary_op): Likewise.
1445 (build_binary_op): Likewise.
1446 (lvalue_p): Likewise.
1447 (default_conversion): Likewise.
1448 (common_type): Likewise.
1449 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1450 (C_TYPE_INCOMPLETE_P): Likewise.
1451 (C_TYPE_FUNCTION_P): Likewise.
1452 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1453 (C_EXP_ORIGINAL_CODE): Likewise.
1454 (common_type): Likewise.
1455 (default_conversion): Likewise.
1456 (build_binary_op): Likewise.
1457 (build_unary_op): Likewise.
1458 (lvalue_p): Likewise.
1459 (flag_const_strings): Likewise.
1460 (warn_format): Likewise.
1461 (warn_conversion): Likewise.
1462 (flag_traditional): Likewise.
1463 (flag_isoc99): Likewise.
1464 (warn_parentheses): Likewise.
1466 2000-06-29 James E. Wilson <wilson@cygnus.com>
1468 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1470 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1471 same. Only tie XFmode with XFmode.
1473 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1475 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1476 * Makefile.in: Update deps.
1478 2000-06-29 Andrew Haley <aph@cygnus.com>
1480 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1483 2000-06-29 Andrew Haley <aph@cygnus.com>
1485 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1486 bytes: remove the multiply by 8.
1488 2000-06-29 Philipp Thomas <pthomas@suse.de>
1490 * rtl.c : Revert NLS changes.
1491 * gcc.c : Fix bug in display_help introced by my last changes.
1493 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1495 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1496 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1498 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1500 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1502 2000-06-28 Philipp Thomas <pthomas@suse.de>
1504 * c-decl.c : Mark strings for translation.
1505 (parmlist_tags_warning): Use distinct messages instead
1506 of conditional expressions.
1507 * diagnostic.c (v_message_with_decl): Mark string for translation.
1508 * gcc.c: Mark messages for translation.
1509 (display_help): Combine messages into one string where necessary.
1510 * mips-tfile: Add intl.h. Mark messages for translation.
1511 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1512 messages for translation.
1513 * timevar.c: Mark messages for translation.
1514 * tlink.c: Likewise.
1515 * toplev.c: Likewise.
1517 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1519 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1521 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1522 use -isystem instead of -idirafter.
1523 * i386/i386-interix.h: Likewise.
1525 2000-06-28 Jason Merrill <jason@redhat.com>
1527 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1528 unless DWARF2_DEBUGGING_INFO is defined.
1529 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1531 2000-06-28 Richard Henderson <rth@cygnus.com>
1533 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1535 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1537 * cpplex.c (output_line_command): Output correct #line if a header
1538 is including itself and is not protected against multiple inclusion.
1540 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1542 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1543 ENFILE, close all cached file descriptors and try again.
1544 (_cpp_execute_include): Keep a count of the number of times
1545 each header is included.
1546 (close_cached_fd): New function.
1547 * cpphash.h (struct include_file): Rename before to
1548 include_count; all users updated. Make include_count and sysp
1550 * cppinit.c (cpp_finish): If -H, report headers that could use
1552 (report_missing_guard): New function.
1554 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1556 * i386.md (prologue_set_got): Set length_immediate field.
1557 (testqi_ccno_1): Add missing '@' character.
1559 2000-06-27 Jason Merrill <jason@redhat.com>
1561 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1564 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1566 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1567 unsigned macros available.
1569 2000-06-27 Richard Henderson <rth@cygnus.com>
1571 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1572 epilogue_deallocate_stack.
1574 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1575 completers for UNORDERED and ORDERED as well.
1576 * config/ia64/ia64.md (bunordered, bordered): New.
1577 (sunordered, sordered): New.
1579 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1581 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1582 * i386.c (ix86_attr_length_default): Kill.
1583 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1585 * i386-protos.h (ix86_attr_length_default): Kill
1586 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1588 * i386.md (attribute type): Add "test".
1589 (attribute length_prefix): Kill.
1590 (attribute length_opcode): Kill.
1591 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1592 prefix_rep, prefix_0f, modrm): New.
1593 (attribute length): Compute using the new attributes.
1594 (attribute pent_prefix): New.
1595 (attribute pent_pair): Compute using pent_prefix.
1596 (all insn patterns): Set mode,modrm and immediate_length attributes where
1598 (cmpsi patterns): Compute sizes propertly for test instruction.
1599 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1600 (movstricthi_xor, movstrictqi_xor): New patterns.
1601 (andsi/andhi): Use splitters to generate xor instructions.
1602 (xorqi_ext_1): New pattern.
1603 (movstricthi->movstricthi_xor peep2): New.
1605 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1607 * i386.md (addqi_low_1): Remove.
1609 2000-06-27 Philipp Thomas <pthomas@suse.de>
1611 * 1750a.h: Mark help strings for options/switches for translation.
1613 * alpha.h: Likewise.
1616 * riscix.h: Likewise.
1618 * clipper.h: Likewise.
1619 * convex.h: Likewise.
1620 * elxsi.h: Likewise.
1623 * h8300.h: Likewise.
1625 * cygwin.h: Likewise.
1627 * djgpp.h: Likewise.
1629 * osf1elf.h: Likewise.
1630 * osfrose.h: Likewise.
1632 * win32.h: Likewise.
1634 * paragon.h: Likewise.
1638 * mcore.h: Likewise.
1640 * mn10300.h: Likewise.
1641 * ns32k.h: Likewise.
1642 * pdp11.h: Likewise.
1645 * aix41.h: Likewise.
1646 * aix43.h: Likewise.
1648 * rs6000.h: Likewise.
1649 * sysv4.h: Likewise.
1650 * linux.h: Likewise.
1651 * linux64.h: Likewise.
1652 * sp64-elf.h: Likewise.
1653 * sparc.h: Likewise.
1654 * splet.h: Likewise.
1656 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1658 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1659 Properly document option and mark for translation.
1660 * sp86x-elf.h: Likewise.
1662 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1664 Add MMX and SSE registers to i386 machine description.
1665 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1666 ix86_local_alignment): Declare.
1668 * i386.h (TARGET_MMX, TARGET_SSE): New.
1669 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1670 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1671 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1672 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1673 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1674 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1675 (RETURN_IN_MEMORY): Handle MMX/SSE.
1676 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1677 also get stack space.
1678 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1679 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1680 (MMX_REGISTER_NAMES): New.
1681 (ALIGN_MODE_128): New macro.
1682 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1683 (DATA_ALIGNMENT): Likewise.
1684 (LOCAL_ALIGNMENT): Likewise.
1685 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1686 TARGET_MMX/TARGET_SSE.
1687 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1688 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1689 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1690 SSE/MMX regs and something else.
1691 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1692 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1693 3 if moving between MMX regs and something else.
1695 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1696 (regclass_map): Add MMX/SSE registers.
1697 (print_operand): Add code to print XMMWORD as appropriate.
1698 (ix86_split_movdi): Abort for MMX regs.
1699 (init_cumulative_args): Also allow SSE_REGS
1700 (function_arg_advance, function_arg): Likewise
1701 (print_reg): Support 'm'. Add case for TImode.
1702 (override_options): TARGET_SSE implies TARGET_MMX.
1703 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1706 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1708 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1710 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1711 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1713 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1715 * ssa.c (struct rename_set_data): Change the name of field
1716 'set_dest' to 'old_reg'. Add comments.
1717 (struct rename_context): Change the name of 'set_data' to
1718 'new_renames'. Add new field 'done_renames'.
1719 (create_delayed_rename): New function.
1720 (apply_delayed_renames): New function.
1721 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1722 SUBREGs and similar by emitting a move.
1723 (new_registers_for_updates): Delete, functionality moved to
1724 apply_delayed_renames.
1725 (rename_block): Handle moves emitted by rename_insn_1 by putting
1726 them into a SEQUENCE with the original insn. Add sanity checks
1728 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1729 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1731 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1732 Jason Merrill <jason@redhat.com>
1734 * dwarf2.h (enum dwarf_call_frame_info): Add
1735 DW_CFA_def_cfa_expression.
1736 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1737 dw_loc_descr_struct entry.
1738 (struct cfa_loc): New structure to track a CFA location.
1739 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1740 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1741 offset, plus handle DW_CFA_def_cfa_expression.
1742 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1744 (dwarf2out_def_cfa): Entry point maintained for compatability.
1745 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1746 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1747 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1748 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1750 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1751 sequences for the new DW_CFA_def_cfa_expression record.
1752 (dwarf2out_frame_debug): Use new variables/fields.A
1753 (output_cfi): Handle DW_CFA_def_cfa_expression.
1754 (output_cfa_loc): New function to generate a CFI record for
1755 DW_CFA_def_cfa_expression.
1756 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1757 a dw_loc_descr sequeunce.
1758 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1759 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1760 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1761 unwind info section.
1762 * frame.h (frame_state): Add base_offset and indirect fields.
1763 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1764 dw_loc_descr operation.
1765 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1766 (struct frame_state): Add base offset and indirect fields.
1767 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1769 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1771 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1772 Make warnings about implicit int be pedwarns in C99. Don't warn
1773 about duplicate type qualifiers in C99.
1774 (start_function): Make warning about implict int return type be a
1776 * c-lex.c (yylex): Don't warn about `long long' in C99.
1777 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1778 `return' with no value in function returning non-void.
1780 2000-06-26 Richard Henderson <rth@cygnus.com>
1782 * c-typeck.c (pedwarn_c99): New.
1783 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1784 * toplev.h: Prototype them.
1786 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1788 * c-typeck.c (digest_init): Return error_mark_node node when
1789 TREE_TYPE (init) == error_mark_node.
1791 2000-06-26 Philipp Thomas <pthomas@suse.de>
1793 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1794 test for msgfmt without path instead.
1795 * configure: Rebuilt.
1797 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1799 * gengenrtl.c (special_rtx): Fix typo in comment.
1801 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1803 * mklibgcc.in (LIB2FUNCS): Add missing space.
1805 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1807 * tree.h (enum tree_index): Add vector type nodes.
1808 Add accessor macros for them.
1809 (TYPE_REPRESENATION_TYPE): New macro.
1810 * tree.c (build_common_tree_nodes_2): Build these nodes.
1811 (finish_vector_type): New function.
1812 * c-common.c (type_for_mode): Handle vector modes.
1813 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1815 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1816 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1817 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1818 (gen_type_die): Likewise.
1819 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1820 (fundamental_type_code): Likewise.
1821 (type_is_fundamental): VECTOR_TYPEs aren't.
1822 (output_type): Handle VECTOR_TYPEs.
1824 2000-06-25 Kazu Hirata <kazu@hxi.com>
1826 * config/arm.c: Fix a comment typo.
1827 * config/arm.h: Likewise.
1829 2000-06-25 Philipp Thomas <pthomas@suse.de>
1831 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1833 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1834 * configure: Rebuilt.
1836 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1838 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1840 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1842 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1845 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1847 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1849 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1851 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1853 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1855 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1856 last_unconditional_cleanup.
1858 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1860 * tree.def (VECTOR_TYPE): New node type.
1861 * tree.h: Adjust some comments to reflect addition of vector types.
1862 (TYPE_VECTOR_SUBPARTS): New macro.
1863 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1864 * c-convert.c (convert): Likewise.
1865 * convert.c (convert_to_integer): Handle vector modes.
1866 (convert_to_vector): New function.
1867 * convert.h (convert_to_vector): Declare.
1868 * expr.c (convert_move): Handle vector modes.
1869 * expmed.c (extract_bit_field): Don't abort for vector modes.
1871 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1873 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1874 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1875 New functions, common code moved from function_{prologue,epilogue}
1876 and extended to support the -mtiny-stack option.
1877 (function_prologue, function_epilogue): Use them.
1878 Use lo8/hi8 consistently for asm output readability.
1879 (avr_hard_regno_mode_ok): New function.
1880 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1881 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1882 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1883 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1884 Write SPH before SPL.
1885 (*movqi): No need to disable interrupts for just one "out"
1886 in alternative 5. Change length attribute from 4 to 1.
1887 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1888 Write SPH before SPL.
1890 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1892 * rtl.texi (Vector Operations): New node.
1893 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1894 (Conversions): Add ss_truncate, us_truncate.
1895 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1896 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1897 US_TRUNCATE): New rtx codes.
1898 * machmode.def: Add vector modes.
1899 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1901 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1902 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1903 (VECTOR_MODE_P): New.
1905 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
1907 * cpp.texi: Clarify #pragma GCC namespace.
1909 2000-06-24 Philipp Thomas <pthomas@suse.de>
1911 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
1912 all catalogs specified in ALL_LINGUAS.
1913 * configure: Rebuilt.
1915 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1917 * config/sparc/sparc.md (reload_outdi+1): Handle
1918 HOST_BITS_PER_WIDE_INT == 64 case correctly.
1919 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
1921 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
1923 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
1924 struct vs. scalar-ness when -fno-strict-aliasing.
1926 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
1928 * cpplib.c (struct pragma_entry): New structure.
1929 (pragma_dispatch): Pragma dispatcher.
1930 (top_pragmas, gcc_pragmas): New static variables.
1931 (do_pragma): Use pragma_dispatch.
1932 (do_pragma_gcc): New pragma handler.
1935 2000-06-23 Jakub Jelinek <jakub@redhat.com>
1937 * calls.c (compute_argument_addresses): Force stack slots into
1939 * expr.c (emit_push_insn): Force pushes into alias set 0.
1941 2000-06-23 Richard Henderson <rth@cygnus.com>
1943 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
1944 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
1946 2000-06-22 Jason Merrill <jason@redhat.com>
1948 * toplev.c (compile_file): Always call timevar_print.
1949 * Makefile.in (calls.o): Depend on TIMEVAR_H.
1951 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
1953 * varasm.c (constant_descriptor): Make contents unsigned char.
1954 (mark_const_hash_entry): Adjust.
1955 (const_hash): Just hash the code of unknown nodes.
1956 (compare_constant_1): Adjust for unsigned char.
1957 Use language specific expander on unknown nodes.
1958 (record_constant_1): Likewise.
1960 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1962 * cppfiles.c (cpp_make_system_header): New function.
1963 * cpplib.h: Prototype it.
1964 * cpplib.c (do_line, do_pragma_system_header): Use it.
1965 * fix-header.c (read_scan_file): Use it.
1967 * fix-header.c (check_macro_names): Cast second arg of
1968 cpp_defined to const unsigned char *.
1969 (read_scan_file): Make getchar_call const unsigned char.
1971 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
1973 * cppfiles.c: Include splay-tree.h, not hashtab.h.
1974 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
1975 (destroy_include_file_node): New.
1976 (_cpp_init_include_hash): Rename _cpp_init_include_table.
1977 Create a splay tree, not a hash table.
1978 (open_include_file): Look up the path in the include table,
1979 do the multiple include optimization here, etc.
1980 (cpp_included): Walk the path.
1981 (find_include_file): Just walk the path calling
1982 open_include_file, or call it directly for an absolute path.
1983 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
1985 (read_include_file): Update for new scheme. Don't close the
1986 file unless reading fails.
1987 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
1989 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
1990 (struct include_file): New.
1991 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
1993 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
1996 * cppinit.c: Include splay-tree.h.
1997 (cpp_reader_init, cpp_cleanup): Update.
1999 * cpplib.h (struct cpp_buffer): Change ihash field to
2000 'struct include_file *inc'. Remove system_header_p.
2001 (struct cpp_reader): Change all_include_files to a
2002 struct splay_tree_s *.
2004 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2005 cpp_buffer->system_header_p.
2006 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2008 * Makefile.in (SPLAY_TREE_H): New macro.
2009 (cppfiles.o, cppinit.o): Update dependencies.
2011 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2013 * invoke.texi (g++): "g++" is not a script anymore.
2015 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2017 * function.c (round_down): Delete obsolete prototype.
2019 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2021 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2023 * configure.in: Use 'test a = b' not 'test a == b'.
2026 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2028 * Makefile.in: Remove all references to HOST_INTLLIBS.
2030 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2033 2000-06-20 Philipp Thomas <pthomas@suse.de>
2035 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2038 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2040 * Take REG_INC notes into account.
2042 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2044 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2045 (primary: IDENTIFIER): Just call build_external_ref.
2046 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2048 * c-lex.c (lastiddecl): Remove.
2049 (yylex): Replace all instances of lastiddecl with local
2052 * c-typeck.c (build_external_ref): New function. Treat decls
2053 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2054 Look up the decl from the id here. Call lookup_objc_ivar.
2055 * c-lang.c (lookup_objc_ivar): Stub.
2056 * objc/objc-act.c (lookup_objc_ivar): New function.
2058 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2059 * c-lex.h: Don't declare lastiddecl.
2061 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2063 * c-common.h (IF_COND): Added documentation.
2064 (THEN_CLAUSE): Likewise.
2065 (ELSE_CLAUSE): Likewise.
2066 (WHILE_COND): Likewise.
2067 (WHILE_BODY): Likewise.
2068 (DO_COND): Likewise.
2069 (DO_BODY): Likewise.
2070 (RETURN_EXPR): Likewise.
2071 (EXPR_STMT_EXPR): Likewise.
2072 (FOR_INIT_STMT): Likewise.
2073 (FOR_COND): Likewise.
2074 (FOR_EXPR): Likewise.
2075 (FOR_BODY): Likewise.
2076 (SWITCH_COND): Likewise.
2077 (SWITCH_BODY): Likewise.
2078 (CASE_LOW): Likewise.
2079 (CASE_HIGH): Likewise.
2080 (GOTO_DESTINATION): Likewise.
2081 (COMPOUND_BODY): Likewise.
2082 (ASM_CV_QUAL): Likewise.
2083 (ASM_STRING): Likewise.
2084 (ASM_OUTPUTS): Likewise.
2085 (ASM_INPUTS): Likewise.
2086 (ASM_CLOBBERS): Likewise.
2087 (DECL_STMT_DECL): Likewise.
2088 (STMT_EXPR_STMT): Likewise.
2089 (LABEL_STMT_LABEL): Likewise.
2091 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2092 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2093 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2094 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2096 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2098 * configure.in (--enable-checking): Update --help doc to reflect
2099 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2101 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2103 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2105 * function.c (put_var_into_stack): Don't reference DECL_ fields
2106 if input is a SAVE_EXPR.
2107 Use set_mem_attributes in COMPLEX case.
2109 2000-06-18 Richard Henderson <rth@cygnus.com>
2111 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2112 (ia64_file_start): Declare.
2113 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2114 (GR_REGNO_P): Likewise.
2115 * config/ia64/ia64.c: Many prototypes.
2116 (ia64_reg_numbers): Constify.
2117 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2118 (ia64_section_threshold): Make unsigned.
2119 (ia64_print_operand): Constify.
2120 (fix_range): Constify.
2121 (ia64_init_builtins): Don't compare signed vs unsigned.
2122 (ia64_expand_builtin): Likewise.
2124 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2125 (CONSTRAINT_OK_FOR_Q): New.
2126 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2127 (movsf_internal, movdf_internal): Likewise.
2128 (cmovdi_internal): Rewrite so that constraints and predicates match;
2130 (cmovsi_internal): Likewise.
2132 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2133 (ASM_FILE_START): New.
2134 * config/ia64/ia64.c (ia64_file_start): New.
2135 (rtx_needs_barrier): Handle pred.rel.mutex.
2136 (emit_predicate_relation_info): New.
2137 * config/ia64/ia64.md (pred_rel_mutex): New.
2138 * config/ia64/linux.h (ASM_SPEC): Define.
2139 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2141 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2142 filtering global register variables.
2144 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2146 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2148 2000-06-17 Michael Meissner <meissner@redhat.com>
2150 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2151 not present and there is a field after a '-'.
2153 2000-06-17 Bruce Korb <bkorb@gnu.org>
2155 * fixinc/check.tpl: finish the implementation of multiple tests
2157 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2158 (io_quotes_def): add a second test
2159 (various): reorder `files' so that "limits.h" is never first
2160 * fixinc/tests/base/*: update the testing output
2162 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2164 * gcc.texi: Remove reference to stupid.c.
2166 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2168 * c-common.c (c_tree_code_type): New array.
2169 (c_tree_code_length): Likewise.
2170 (c_tree_code_name): Likewise.
2171 (add_c_tree_codes): New function.
2173 * c-common.h (add_c_tree_codes): Declare.
2174 (enum c_tree_code): New enum.
2176 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2178 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2180 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2181 select pattern to also match macro defs with only one argument.
2183 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2185 * i386.md: Create new [right,left] rotate and right shift
2186 patterns to optimize shift by 1 bit for certain ia32 processors.
2187 Update patterns which perform left shifts to optimize shift by
2188 1 bit for certain ia32 processors.
2189 * i386.c (const_int_1_operand): New predicate.
2190 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2191 * i386-protos.h (const_int_1_operand): Prototype.
2193 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2195 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2197 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2199 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2202 2000-06-14 Richard Henderson <rth@cygnus.com>
2204 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2206 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2209 * print-rtl.c (print_rtx): Emit space before mem alias set.
2211 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2213 * rs6000.c (expand_block_move): Fix typo in earlier change.
2214 (print_operand): Remove unused variables neg and op.
2215 (toc_hash_mark_entry): Fix prototype.
2217 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2219 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2220 (THEN_CLAUSE): Likewise.
2221 (ELSE_CLAUSE): Likewise.
2222 (WHILE_COND): Likewise.
2223 (WHILE_BODY): Likewise.
2224 (DO_COND): Likewise.
2225 (DO_BODY): Likewise.
2226 (RETURN_EXPR): Likewise.
2227 (EXPR_STMT_EXPR): Likewise.
2228 (FOR_INIT_STMT): Likewise.
2229 (FOR_COND): Likewise.
2230 (FOR_EXPR): Likewise.
2231 (FOR_BODY): Likewise.
2232 (SWITCH_COND): Likewise.
2233 (SWITCH_BODY): Likewise.
2234 (CASE_LOW): Likewise.
2235 (CASE_HIGH): Likewise.
2236 (GOTO_DESTINATION): Likewise.
2237 (COMPOUND_BODY): Likewise.
2238 (ASM_CV_QUAL): Likewise.
2239 (ASM_STRING): Likewise.
2240 (ASM_OUTPUTS): Likewise.
2241 (ASM_INPUTS): Likewise.
2242 (ASM_CLOBBERS): Likewise.
2243 (DECL_STMT_DECL): Likewise.
2244 (STMT_EXPR_STMT): Likewise.
2245 (LABEL_STMT_LABEL): Likewise.
2246 (SCOPE_BEGIN_P): Likewise.
2247 (SCOPE_END_P): Likewise.
2248 (SCOPE_STMT_BLOCK): Likewise.
2249 (SCOPE_NULLIFIED_P): Likewise.
2250 (SCOPE_NO_CLEANUPS_P): Likewise.
2251 (SCOPE_PARTIAL_P): Likewise.
2252 (ASM_VOLATILE_P): Likewise.
2253 (STMT_LINENO): Likewise.
2254 (STMT_LINENO_FOR_FN_P): Likewise.
2256 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2257 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2258 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2259 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2260 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2262 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2264 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2266 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2267 writable in parts of the GCC code.
2269 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2270 specification match cast.
2272 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2274 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2275 * configure, config.in: Rebuilt.
2276 * sys-protos.h: Similarly.
2278 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2280 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2281 * basic-block.h (EDGE_COMPLEX): ... here.
2283 * loop.c (check_dbra_loop): Specify the register when
2284 generating REG_NONNEG notes and don't generate duplicates.
2286 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2288 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2289 (struct tree_type, struct tree_decl): Add user_align member.
2290 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2291 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2292 and DECL_USER_ALIGN 0, cap alignment to this value.
2293 (place_field): Likewise.
2294 (finalize_type_size): Set TYPE_USER_ALIGN.
2295 (layout_type): Likewise.
2296 (initialize_sizetypes): Likewise.
2297 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2298 DECL_USER_ALIGN to 1.
2299 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2300 (xfer_tag): Set TYPE_USER_ALIGN.
2301 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2302 (finish_enum): Likewise.
2303 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2304 (expand_anon_union_decl): Likewise.
2305 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2306 (build_index_type): Set TYPE_USER_ALIGN.
2307 (build_range_type): Likewise.
2308 (build_common_tree_nodes_2): Likewise.
2309 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2311 2000-06-13 Andreas Jaeger <aj@suse.de>
2313 * configure.in: Use --enable-checking=misc,tree,gc by default if
2314 no --enable-checking option is given and for
2315 --enable-checking=yes.
2316 * configure: Rebuilt.
2318 2000-06-13 Richard Henderson <rth@cygnus.com>
2320 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2321 (__throw): Don't pass the address of a label.
2323 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2324 current_function_is_leaf.
2325 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2326 instead of reg_names[RETURN_ADDRESS_REGNUM].
2327 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2328 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2329 from RETURN_ADDRESS_REGNUM. Update all uses.
2330 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2331 zero instead of null on failure.
2332 (ELIMINABLE_REGS): Add ra->b0 elimination.
2333 (CAN_ELIMINATE): Update accordingly.
2334 (INITIAL_ELIMINATION_OFFSET): Likewise.
2335 (REGISTER_NAMES): Use an illegal assembler name for
2336 RETURN_ADDRESS_POINTER_REGNUM.
2338 2000-06-13 Richard Henderson <rth@cygnus.com>
2340 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2341 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2342 (REG_CLASS_NAMES): Likewise.
2343 (REG_CLASS_CONTENTS): Likewise.
2344 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2345 (HARD_REGNO_MODE_OK): Remove references to them.
2346 (REGNO_REG_CLASS): Likewise.
2347 (REG_CLASS_FROM_LETTER): Likewise.
2348 (CLASS_MAX_NREGS): Likewise.
2349 (REGISTER_MOVE_COST): Likewise.
2350 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2351 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2352 (movqi_internal): Special case moves from zero.
2353 (movhi_internal, movsi_internal): Likewise.
2354 (movdi_internal): Likewise. Fill out "f" constraints.
2355 (movsf_internal): Fill out "r" constraints.
2356 (movdf_internal): Likewise.
2358 2000-06-13 Richard Henderson <rth@cygnus.com>
2360 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2361 alive before reload.
2363 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2364 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2365 (remove_dependence): Always define.
2366 (set_sched_group_p): New.
2367 (sched_analyze_2): Use it.
2368 (sched_analyze_insn): Don't special-case naked uses. Look for
2369 and extend in_post_call_group_p.
2370 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2371 (init_deps): Clear in_post_call_group_p.
2373 2000-06-13 Richard Henderson <rth@cygnus.com>
2375 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2376 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2377 and hard-coded tests.
2378 (simplify_set): Likewise.
2379 (gen_lowpart_for_combine): Likewise.
2380 * emit-rtl.c (gen_lowpart_common): Likewise.
2381 * global.c (find_reg): Likewise.
2382 * local-alloc.c (find_free_reg): Likewise.
2383 * recog.c (register_operand): Likewise.
2384 * regclass.c (init_reg_sets_1): Likewise.
2385 (record_operand_costs, regclass): Likewise.
2386 * reload.c (push_reload): Likewise.
2387 * reload1.c (choose_reload_regs): Likewise.
2388 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2389 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2390 Update all references.
2391 * regs.h (struct reg_info_def): Likewise.
2392 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2393 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2394 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2396 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2397 (CLASS_CANNOT_CHANGE_MODE_P): New.
2398 * config/mips/mips.h: Likewise.
2399 * config/pa/pa32-regs.h: Likewise.
2400 * config/pa/pa64-regs.h: Likewise.
2401 * config/rs6000/rs6000.h: Likewise.
2402 * config/sh/sh.h: Likewise.
2403 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2404 (CLASS_CANNOT_CHANGE_MODE_P): New.
2405 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2406 * config/d30v/d30v.h: Likewise.
2408 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2410 * configure.in: Add AC_TYPE_GETGROUPS test.
2411 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2412 * configure: Rebuilt.
2413 * config.in: Rebuilt.
2415 2000-06-13 Richard Henderson <rth@cygnus.com>
2417 * explow.c (set_mem_attributes): Do nothing for NULL type.
2419 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2421 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2424 2000-06-13 James E. Wilson <wilson@cygnus.com>
2426 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2428 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2430 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2432 2000-06-13 Philipp Thomas <pthomas@suse.de>
2434 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2435 * configure: Rebuilt.
2437 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2439 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2440 We now default to ELF for the i386, and a.out is the special case.
2441 * configure: Rebuilt.
2443 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2445 * final.c (final_scan_insn): Delete notes between cc0 setter and
2446 user when restarting from setter.
2448 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2450 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2451 cast to squelch signed/unsigned warnings.
2453 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2455 * cpplib.c (handle_directive): Print non-NUL-terminated string
2458 2000-06-12 Michael Meissner <meissner@redhat.com>
2460 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2461 path if the machine needs extra support to do conditional
2464 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2466 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2467 to print the alias set.
2468 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2470 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2472 * config/float-vax.h: Add GFLOAT defines.
2474 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2476 * configure.in: Update tm dependencies for MPE.
2477 * configure: Rebuilt.
2479 2000-06-12 H.J. Lu <hjl@gnu.org>
2481 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2483 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2485 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2486 (CPP_SPEC): Change mthreads to pthread.
2487 (LIB_SPEC): Likewise.
2488 (STARTFILE_SPEC): Likewise.
2489 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2490 (CPP_SPEC): Change mthreads to pthread.
2491 (LIB_SPEC): Likewise.
2492 (STARTFILE_SPEC): Likewise.
2493 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2494 * rs6000.c (reg_or_arith_cint_operand): New.
2495 (num_insns_constant_wide): Decorate unsigned constant.
2496 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2497 * rs6000.md (addsi3): Use new predicate.
2498 (subsi3, adddi3, subdi3): Likewise.
2500 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2502 * c-common.c (lang_get_alias_set): Fix typo.
2504 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2506 * flow.c (mark_used_regs): Revert last change.
2507 (life_analysis): Remove PROP_AUTOINC if running after reload.
2508 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2510 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2512 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2515 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2517 * bb-reorder.c (build_scope_forest): Initialize variable
2520 * calls.c (expand_call): Likewise for variables
2521 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2523 * i386.c (function_arg_advance, function_arg): Cast to avoid
2524 signed/unsigned warnings.
2526 * i386.h (MEMORY_MOVE_COST): Likewise.
2528 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2529 `else_start' and `else_end'.
2531 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2533 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2535 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2537 * Makefile.in (libintl.a): Depend on intl.all.
2539 2000-06-09 H.J. Lu (hjl@gnu.org)
2541 * Makefile.in (c-parse.o): Also depend on output.h.
2543 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2545 * mcore-protos.h: discards const warning removal.
2546 * mcore.c: discards const warning removal.
2548 2000-06-09 Kazu Hirata <kazu@hxi.com>
2550 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2551 the beginning of the file.
2553 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2555 * real.h: Add prototype for ldexp.
2557 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2559 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2560 it ggc_alloc, drop second argument, never clear returned memory.
2561 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2562 (ggc_alloc_cleared): New.
2563 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2564 ggc_alloc_obj. Remove ggc_alloc macro.
2565 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2567 * rtl.c (rtvec_alloc): Clear the vector always.
2568 (rtx_alloc): Clear the first word always. Remove dirty
2569 obstack tricks (this routine is no longer a bottleneck).
2570 * tree.c (make_node): Clear the new node always.
2571 (make_tree_vec): Likewise.
2572 (tree_cons): Clear the common structure always.
2573 (build1): Likewise; also, clear TREE_COMPLEXITY.
2574 * gengenrtl.c: Use puts wherever possible. Remove extra
2576 (gendef): Clear the first word of an RTX in the generator
2577 function, irrespective of ggc_p. Initialize '0' slots to
2579 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2580 thin wrapper macro around obstack_alloc.
2582 * stmt.c (expand_fixup): Use ggc_alloc.
2583 * c-typeck.c (add_pending_init): Use ggc_alloc.
2584 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2585 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2586 const0_rtx when it is created.
2587 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2588 we are not in a function.
2590 * tree.c (tree_class_check_failed): Make second arg an int.
2591 * tree.h: Update prototype.
2593 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2595 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2596 of an error_mark_node.
2598 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2600 * config/avr/avr.c (asm_output_section_name): bugfix.
2602 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2604 * timevar.def: Add TV_EXPAND.
2605 * timevar.c (timevar_print): Update timing information.
2606 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2608 * stmt.c (expand_return): Check for error_mark_node.
2610 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2614 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2615 variable against filename expansion when it contains "char *".
2617 * system.h (SSIZE_MAX): Delete backup definition.
2619 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2620 instead of SSIZE_MAX.
2622 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2624 * configure.in: Check whether gas supports -relax.
2625 * configure, config.in: Rebuilt.
2626 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2627 (EXTRA_SPECS): Add asm_relax.
2628 (ASM_SPEC): Add %(asm_relax).
2629 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2630 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2631 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2632 (ASM_SPEC): Add %(asm_relax).
2633 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2634 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2635 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2636 instead of mov, so that gas can further optimize it.
2638 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2640 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2642 (value_format, case dw_val_class_const): Use sdata format.
2643 (output_die): Call output_sleb128.
2645 2000-06-08 James E. Wilson <wilson@cygnus.com>
2647 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2648 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2649 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2650 (output_die, case dw_val_class_unsigned_const): Correct call to
2651 ASM_OUTPUT_DWARF_DATA8.
2652 (output_die, case dw_val_class_long_long): Use
2653 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2654 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2657 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2658 (output_function_prologue): Fix mispelling.
2659 (output_function_prologue, output_function_epilogue): Reorder to
2660 match ia64.c definition order.
2661 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2662 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2663 Use r3 instead of r2 for large stack restores.
2664 (ia64_output_end_prologue): New function.
2665 (process_set): Emit ".restore sp" for epilogue stack restores.
2666 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2668 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2670 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2673 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2675 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2677 2000-06-08 Denis Perchine <dyp@perchine.com>
2679 * frame.c (start_fde_sort): Don't malloc (0).
2681 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2683 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2685 * print-tree.c (print_node): The transparent_union_flag means
2686 different things for unions and arrays. Do not inspect it
2687 with TYPE_TRANSPARENT_UNION.
2689 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2691 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2694 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2696 * config/avr/avr.c (asm_output_section_name): output section
2698 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2700 2000-06-06 James E. Wilson <wilson@cygnus.com>
2702 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2703 fields into header field.
2704 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2705 macros to access length, flags, and version info from header field.
2706 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2707 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2708 (__do_global_ctors_aux): Fix caller.
2709 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2710 prologue_flag to header. Pass to read_P_record.
2711 (read_P_record): New argument header. Implement P4 format.
2712 Multiply P7_T_SIZE by 16.
2713 (execute_one_ia64_descriptor): New static local region_header. Pass to
2714 get_unwind_record. Copy r to region_header if r is a header record.
2715 (print_all_records): Likewise.
2716 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2717 (__get_personality, __get_except_table): Likewise.
2718 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2720 2000-06-06 Philipp Thomas <pthomas@suse.de>
2722 * configure.in (AC_C_INLINE): Added.
2723 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2724 * configure: Regenerate.
2726 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2728 * c-common.h (c_language_kind): New type.
2729 (c_language): New variab.e
2730 * c-common.c (lang_get_alias_set): Don't put structures in
2731 non-zero alias sets in C++.
2732 * c-decl.c (c_language): Define it.
2733 * c-lex.c (doing_objc_thang): Remove.
2734 * c-tree.h (doing_objc_thang): Make it a macro.
2735 * objc/objc-act.c (lang_decode_option): Set c_language, not
2738 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2740 * diagnostic.c (output_maximum_width): Remove.
2741 (doing_line_wrapping): Tweak.
2742 (diagnostic_buffer): New object.
2743 (global_output_buffer): New object.
2744 (output_destroy_prefix): New function.
2745 (default_initialize_buffer): Likewise.
2746 (reshape_diagnostic_buffer): Likewise.
2747 (initialize_diagnostics): Likewise.
2748 (output_clear): Tweak.
2749 (line_wrapper_printf): Adjust call to init_output_buffer.
2750 (vline_wrapper_message_with_location): Likewise. Use
2751 output_destroy_prefix.
2752 (v_message_with_decl): Likewise.
2754 * diagnostic.h (struct output_buffer): Constify prefix.
2755 (init_output_buffer, output_get_prefix): Constify.
2756 (diagnostic_message_length_per_line): Likewise.
2757 (reshape_diagnostic_buffer): Declare.
2758 (default_initialize_buffer): Declare.
2759 (initialize_diagnostics): Declare.
2760 (diagnostic_buffer): Declare new obbject.
2762 * toplev.c: #include diagnostic.h
2763 (display_help): Document diagnostic formatting options.
2764 (decode_f_option): Handle diagnostic formatting options.
2765 (main): Setup initialization for diagnostic messages outputter.
2767 * toplev.h (set_message_length): Remove.
2769 * Makefile.in (toplev.o): Depends upon diagnostic.h
2771 * invoke.texi : Document diagnostics formatting options.
2773 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2775 * configure.in (Make the links): Typo fix : the file that must be
2776 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2777 * configure: File rebuilt.
2779 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2781 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2782 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2784 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2785 emergency eh_context buffer, if malloc fails.
2786 (__eh_free): Moved from cp/exception.cc. Release to emergency
2787 eh_context buffer, if appropriate.
2789 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2791 * expr.c (store_expr): Fix typo.
2793 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2795 * m68k.c (legitimize_pic_address): Move prototype ...
2797 * m68k-protos.h (legitimize_pic_address): ... here.
2799 * m68k.md (legitimize_pic_address): Delete prototypes.
2800 (untyped_call): Invoke GEN_CALL(), not gen_call().
2802 * nextstep.c: Include system.h and toplev.h.
2803 (get_directive_line): Don't prototype.
2804 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2806 * nextstep.h (handle_pragma): Prototype.
2807 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2808 objc_section_init ...
2809 (EXTRA_SECTION_FUNCTIONS): ... here.
2811 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2813 * sdbout.c (struct sdb_file): NAME now const.
2814 (sdbout_init): input_file_name now const.
2815 (sdbout_start_new_source_file): FILENAME now const.
2816 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2818 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2820 * c-typeck.c (build_conditional_expr): Handle complex data types.
2822 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2824 * explow.c (maybe_set_unchanging): New function, broken out from...
2825 (set_mem_attributes): Here.
2826 * expr.h: Declare it.
2827 * stmt.c (expand_decl): Call it.
2829 2000-06-05 Richard Henderson <rth@cygnus.com>
2831 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2832 while looking for a register to inherit from.
2834 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2836 * Makefile.in (libgcc.ready): Lose.
2837 (libgcc.mk): Just use mv, not move-if-change.
2838 (LIBGCC_DEPS): New macro.
2840 (stmp-multilib): Likewise.
2841 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2842 it rather than the directories themselves.
2843 (LIB2ADD): Depend on the list file rather than 'force'.
2845 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2846 cv-qualified versions of types.
2848 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2850 * config/sparc/sparc.c (short_branch): Correct error in range
2853 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2855 * fixinc/inclhack.def: New include hacks for ultrix.
2856 * (nested_ultrix): Replaced by ultrix_nested_svc.
2857 * (ultrix_atof_param): test_text string added.
2858 * (ultrix_ifdef): Modified select string.
2860 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2862 * objc/objc-act.c (generate_method_descriptors): Register
2863 objc_method_prototype_template as a GC root.
2864 (comp_method_with_proto): Register function_type as a GC root.
2865 (comp_proto_with_proto): Replace function_type1 and
2866 function_type2 with a two-element array; register it as a GC root.
2868 (generate_protocols, build_protocol_initializer,
2869 generate_protocol_list, build_category_initializer,
2870 build_shared_structure_initializer): Do not cache cast_type
2873 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2875 * function.c (assign_parms): Add missing argument to set_mem_attributes
2878 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2880 * tree.h (VOID_TYPE_P): New macro.
2881 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2882 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2883 (get_parm_info): Likewise.
2884 (store_parm_decls): Likewise.
2885 (combine_parm_decls): Likewise.
2886 (finish_function): Likewise.
2887 * c-typeck.c (build_function_call): Likewise.
2888 (build_binary_op): Likewise.
2889 (build_conditional_expr): Likewise.
2890 (internal_build_compound_expr): Likewise.
2891 (convert_for_assignment): Likewise.
2892 * stmt.c (expend_expr_stmt): Likewise.
2893 (warn_if_unused_value): Likewise.
2894 (expand_return): Likewise.
2895 * c-parse.in (primary): Likewise.
2896 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2897 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2899 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2901 * alias.c (get_alias_set): If compnent is addressable, use alias
2903 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
2904 (grokdeclarator): Likewise.
2905 * c-typeck.c (common_type): Likewise.
2907 2000-06-04 Alex Samuel <samuel@codesourcery.com>
2909 * Makefile.in (OBJS): Remove dyn_string.o
2910 (dyn-string.o): Delete rule.
2911 * dyn-string.c: Delete file
2912 * dyn-string.h: Likewise.
2914 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2916 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
2919 2000-06-03 Geoff Keating <geoffk@cygnus.com>
2921 * alias.c (record_component_aliases): Don't inspect
2922 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
2924 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
2926 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
2927 it with the pattern to do machine dependent work.
2928 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
2929 use it to modify the true/false tests used in conditional
2930 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
2931 defined, invoke them if the conversion to conditional execution
2932 was successful or not.
2934 * tm.texi (IFCVT_MODIFY_TESTS): Document.
2935 (IFCVT_MODIFY_INSN): Ditto.
2936 (IFCVT_MODIFY_FINAL): Ditto.
2937 (IFCVT_MODIFY_CANCEL): Ditto.
2939 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
2941 * toplev.c (main): Fix misspellings of possibility and language.
2943 2000-06-03 Richard Henderson <rth@cygnus.com>
2945 * alias.c (record_alias_subset): Initialize has_zero_child in the
2948 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
2950 * arm.md (untyped_call): Use GEN_CALL macro.
2952 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
2954 * Makefile.in: Use $(MAKE) not "make"
2956 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2958 * alias.c (struct alias_set_entry): New field has_zero_child.
2959 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
2960 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
2962 Call record_component_aliases for aggregate types.
2963 (record_alias_subset): Set has_zero_child.
2964 (record_component_aliases, case ARRAY_TYPE): Do nothing if
2965 TYPE_NONALIASES_COMPONENT.
2966 (record_component_aliases, case RECORD_TYPE): Test
2967 DECL_NONADDRESSABLE_P.
2968 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
2969 of TREE_ADDRESSABLE.
2970 * calls.c (initialize_argument_information): Only test
2971 TYPE_TRANSPARENT_UNION for UNION_TYPE.
2972 * function.c (assign_parms): Likewise.
2973 * integrate.c (function_cannot_inline_p): Likewise.
2974 * stor-layout.c (finish_record_layout): Don't call
2975 record_component_aliases.
2976 * tree.h (struct tree_int_cst): Use struct tree_common.
2977 (struct tree_real_cst, struct tree_string): Likewise.
2978 (struct tree_complex, struct tree_identifier): Likewise.
2979 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
2980 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
2981 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
2982 (TYPE_NONALIASES_COMPONENT): New macro.
2983 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
2984 (DECL_NONADDRESSABLE_P): New macro.
2985 (struct tree_decl): Reorder bits for clarity of how many left;
2988 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
2990 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
2991 * mklibgcc.in (force): New target.
2992 Make LIB2ADD stuff depend on it.
2994 2000-06-02 Richard Henderson <rth@cygnus.com>
2996 * alias.c (lang_get_alias_set): Remove.
2997 (get_alias_set): Call it directly, not indirectly.
2998 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
2999 * c-common.h (c_get_alias_set): Don't declare.
3000 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3001 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3003 2000-06-02 Bruce Korb <bkorb@gnu.org>
3005 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3006 (server_setup): define the server's master pid
3007 (close_server): actually do the deed IFF we are the server's master
3009 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3011 * c-common.c (c_get_alias_set): Check whether signed_type did not
3012 return its argument before calling get_alias_set on the result.
3014 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3016 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3018 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3020 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3021 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3022 for TARGET_NOMACSAVE.
3023 (NOMACSAVE_BIT): Define.
3024 (TARGET_NOMACSAVE): Define.
3025 (TARGET_SWITCHES): Add "nomacsave".
3027 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3029 * sh.md (untyped_call): Remove excess parameters
3031 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3033 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3034 match that used before the conversion to c_fix style.
3035 * fixinc/fixincl.x: regenerate
3037 2000-06-01 Stan Cox <scox@cygnus.com>
3039 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3040 macro argument typo.
3042 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3044 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3046 * cpplib.c (parse_include): Remove support for VAX-C
3047 "#include starlet" misfeature.
3049 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3051 * cppfiles.c: conditionally define O_BINARY.
3052 (open_include_file): pass O_BINARY to open().
3054 2000-06-01 Richard Henderson <rth@cygnus.com>
3056 * i960.c (i960_br_predict_opcode): Remove.
3057 (i960_print_operand) [+]: Emit branch prediction hints.
3058 (i960_function_arg): Return early for VOIDmode.
3059 (i960_round_align): Return early for incomplete types.
3060 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3061 * i960.md (all conditional branches): Add "%+".
3063 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3065 * alias.c (get_alias_set): Don't call language-specific routine more
3066 than is needed and clean up code a bit.
3067 * c-common.c (c_get_alias_set): All references whose type
3068 is char get alias set 0, but character types need not.
3069 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3070 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3072 2000-06-01 Bruce Korb <bkorb@gnu.org>
3074 * fixinc/tests/base/...: new base result files
3076 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3078 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3079 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3080 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3083 2000-06-01 Richard Henderson <rth@cygnus.com>
3085 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3087 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3089 2000-05-31 Richard Henderson <rth@cygnus.com>
3091 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3092 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3093 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3095 2000-05-31 Richard Henderson <rth@cygnus.com>
3097 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3098 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3099 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3100 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3101 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3103 2000-05-31 Richard Henderson <rth@cygnus.com>
3105 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3107 2000-05-31 Richard Henderson <rth@cygnus.com>
3109 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3111 (find_if_block): Allow THEN with no outgoing edges.
3112 * flow.c (merge_blocks_nomove): Remove a barrier not following
3115 2000-05-31 Richard Henderson <rth@cygnus.com>
3117 * flow.c (propagate_block): Move initialization of mem_set_list ...
3118 (init_propagate_block_info): ... here. Also track blocks with
3119 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3121 2000-05-31 Richard Henderson <rth@cygnus.com>
3123 * jump.c (jump_optimize_1): Revert 05-18 change.
3125 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3127 * invoke.texi: Remove documentation for -fguiding-decls.
3129 2000-05-31 Richard Henderson <rth@cygnus.com>
3131 * configure.in: Fix typo last change.
3133 2000-05-31 Philipp Thomas <pthomas@suse.de>
3135 * configure.in (enable-nls): Enable if build == host, i.e. when
3136 not building a canadian cross compiler.
3137 (enable-maintainer-mode): Added for use with i18n.
3138 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3139 cross section of ALL_LINGUAS and LINGUAS.
3140 * configure: Rebuild.
3142 2000-05-31 Bruce Korb <bkorb@gnu.org>
3144 * fixinc/check.tpl: rework to use test result tree
3145 * fixinc/Makefile.in: change invocation of check script
3146 * fixinc/check.diff: No longer needed
3147 * fixinc/fixincl.x: regenerate
3148 * fixinc/inclhack.def: add new tests
3149 * fixinc/tests/base/arch/i960/archI960.h: New test result
3150 * fixinc/tests/base/curses.h: modified test result
3151 * fixinc/tests/base/stdio.h: ditto
3152 * fixinc/tests/base/time.h: ditto
3153 * fixinc/tests/base/sys/asm.h: ditto
3154 * fixinc/tests/base/sys/stat.h: ditto
3155 * fixinc/tests/base/sys/wait.h: ditto
3157 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3159 * except.c (clear_function_eh_region): Do not free NULL.
3161 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3163 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3164 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3165 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3166 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3167 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3168 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3169 (get_alias_set): Likewise.
3170 Major rework to do more things and allow language-specific code
3171 to just handle special-cases.
3172 (record_alias_subset): Args are HOST_WIDE_INT.
3173 (record_component_alias): Local vars are HOST_WIDE_INT.
3174 Don't handle COMPLEX_EXPR.
3175 (get_varargs_alias_set): Moved from builtins.c.
3176 (get_frame_alias_set): New function.
3177 * builtins.c (expand_builtin_return_address): Use frame alias set.
3178 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3180 (get_memory_rtx): Rework to use set_mem_attributes.
3181 (get_varargs_alias_set): Deleted from here.
3182 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3183 (c_find_base_decl): Deleted from here.
3184 (c_get_alias_set): Remove many cases and rework to just handle
3186 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3187 * c-decl.c (rtl.h, expr.h): Now included.
3188 (init_decl_processing): Call record_component_aliases on array types.
3189 (grokdeclarator): Likewise.
3190 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3191 * c-typeck.c (common_type): Call record_component_aliases for array.
3192 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3193 Set all save areas to the frame alias set.
3194 * calls.c (initialie_argument_information): Call set_mem_attributes.
3195 (compute_argument_addresses, expand_call): Likewise.
3196 * explow.c (set_mem_attributes): New function.
3197 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3198 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3199 LEN and OFFSET now HOST_WIDE_INT.
3200 (clear_by_pieces): Similar changes.
3201 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3202 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3203 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3204 (clear_by_pieces_1): Likewise.
3205 (emit_push_insn): Call set_mem_attributes.
3206 (expand_expr, case INDIRECT_REF): Likewise.
3207 (expand_expr, case VAR_DECL): Call change_address.
3208 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3210 (get_varargs_alias_set, get_frame_alias_set): New decls.
3211 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3212 (new_alias_set, set_mem_attributes): Likewse.
3213 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3214 (assign_stack_temp_for_type): Likewise.
3215 Can split slot even if alias set since can copy.
3216 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3217 (assign_temp): Use host_integerp and tree_low_cst.
3218 (put_var_into_stack): Properly handle SAVE_EXPR.
3219 (put_addressof_into_stack): Likewise.
3220 (assign_parms): Call set_mem_attributes.
3222 (fix_lexical_address): Put reference to chain into frame alias set.
3223 (expand_function_start): Call set_mem_attributes.
3224 * integrate.c (expand_inline_function): Likewise.
3225 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3226 * regmove.c (try_apply_stack_adjustment): Likewise.
3227 * reload.c (push_reload, make_memloc): Likewise.
3228 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3229 * rtl.def (MEM): Update comment.
3230 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3231 (move_by_pieces): Change length to HOST_WIDE_INT.
3232 (record_base_value, record_alias_subset): Delete from here.
3233 * stmt.c (expand_decl): Call set_mem_attributes.
3234 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3235 * toplev.c (compile_file): Call init_alias_once earlier.
3236 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3237 from here: now in alias.c.
3238 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3239 (struct tree_decl): Likewise.
3240 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3241 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3242 (output_constant_def, force_const_mem): Likewise.
3244 * flow.c (propagate_block): If block has no successors, stores to
3245 frame are dead if not used.
3247 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3249 * stmt (expand_end_case): Reorder conversion sequence for jump
3250 table to avoid extra truncations.
3252 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3254 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3255 in the block is more than just a simple conditional branch.
3256 (noce_process_if_block): Similarly.
3258 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3260 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3263 2000-05-30 Michael Meissner <meissner@redhat.com>
3265 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3266 instructions. Treat LO_SUM operations as loading the full integer
3269 2000-05-30 Richard Henderson <rth@cygnus.com>
3271 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3273 2000-05-30 Richard Henderson <rth@cygnus.com>
3275 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3277 2000-05-30 Bruce Korb <bkorb@gnu.org>
3279 * fixinc/tests/*: Added expected result files for fixinc's make check
3280 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3282 2000-05-30 Richard Henderson <rth@cygnus.com>
3284 * config/alpha/alpha.md (*setne_internal): Use match_operator
3285 instead of working down from insn.
3287 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3289 * invoke.texi (-Wtraditional): Update WRT function macros.
3291 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3293 * except.c (free_exception_table): Do not free NULL.
3295 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3297 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3298 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3301 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3303 * flow.c (mark_used_reg): If a register is unconditionally live,
3304 remove any conditional death information.
3306 2000-05-29 Richard Henderson <rth@cygnus.com>
3308 * final.c (current_output_insn): New.
3309 (final_scan_insn): Set it.
3310 * output.h: Declare it.
3312 2000-05-29 Richard Henderson <rth@cygnus.com>
3314 * stor-layout.c (finalize_record_size): Fix typo.
3316 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3319 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3321 * cpplib.h (cpp_reader): Remove if_stack. Change
3322 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3323 * cpphash.h (struct ihash): Change control_macro to a
3324 cpp_hashnode * and shorten name to cmacro.
3325 Add NEVER_REINCLUDE constant.
3327 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3328 Examine the cmacro node directly, no need to call cpp_defined.
3329 (_cpp_execute_include, read_include_file): Set cmacro to
3330 NEVER_REINCLUDE, not U"".
3331 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3332 (cpp_get_token): If pfile->skipping is true, discard text and
3333 keep scanning until we hit a directive; don't expand macros.
3335 * cpplib.c (struct if_stack): Remove if_succeeded, add
3336 was_skipping. Change control_macro to a cpp_hashnode * and
3337 shorten name to cmacro. Remove typedef IF_STACK.
3338 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3339 (conditional_skip, skip_if_group,
3340 consider_directive_while_skipping): Delete.
3341 (push_conditional): New.
3342 (_cpp_handle_directive): Don't process directives other than
3343 conditionals if we are skipping.
3345 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3346 Update to new scheme.
3347 (validate_else): Skip rest of line here, unconditionally.
3348 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3349 pfile->skipping off.
3351 (all): Remove `scare quotes' from error messages.
3353 2000-05-29 Richard Henderson <rth@cygnus.com>
3355 * function.c (emit_return_into_block): New line_note arg; emit it.
3356 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3357 for the close brace to accompany HAVE_return. Move all line notes
3358 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3360 2000-05-29 Richard Henderson <rth@cygnus.com>
3362 * longlong.h [__alpha] (count_leading_zeros): New.
3363 (count_trailing_zeros): New.
3364 (COUNT_LEADING_ZEROS_0): New.
3366 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3367 (alpha_split_conditional_move): New.
3368 * config/alpha/alpha-protos.h: Prototype them.
3369 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3370 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3371 * config/alpha/alpha.md: Update ffs cix commentary.
3373 (*nabssf2, *nabsdf2): New.
3374 (*mov[qhsd]icc_internal): Use add_operand.
3375 (if_then_else constant splitters): New.
3376 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3377 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3379 2000-05-29 Richard Henderson <rth@cygnus.com>
3381 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3382 a constant to NEG or NOT when conditions allow.
3384 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3385 unless both args are general_operand. Don't canonicalize plus
3386 to ior unless it helps.
3388 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3389 instead track register_life_up_to_date. Toggle no_new_pseudos
3392 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3394 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3395 so output_operand doesn't see them.
3397 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3399 * lcm.c (make_preds_opaque): Fix comment.
3400 (optimize_mode_switching): Use NORMAL_MODE instead of
3401 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3402 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3403 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3404 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3405 (MODE_USES_IN_EXIT_BLOCK): Delete.
3406 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3407 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3408 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3409 (MODE_NEEDED): Don't look for USE.
3410 (EPILOGUE_USES): Define.
3412 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3414 * mklibgcc.in (all): Variable initialised to `libgcc'.
3416 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3418 * toplev.h (skip_leading_substring): New macro.
3419 * toplev.c (decode_f_option): Use skip_leading_substring instead
3421 (decode_W_option): Likewise.
3423 2000-05-28 Nick Clifton <nickc@cygnus.com>
3425 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3428 2000-05-28 Richard Henderson <rth@cygnus.com>
3430 * regclass.c (record_operand_costs): Protect reg_changes_size
3431 with CLASS_CANNOT_CHANGE_SIZE.
3433 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3435 2000-05-28 Richard Henderson <rth@cygnus.com>
3437 * function.c (diddle_return_value): A pcc-style struct return
3440 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3442 * cppfiles.c: Read files in, using mmap if possible, then
3443 prescan them separately.
3444 (read_file, read_with_read): New functions.
3445 * cpplex.c: Don't define UCHAR_MAX.
3446 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3449 * cppinit.c (handle_option): Automatically define __cplusplus,
3450 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3451 the respective -lang switch.
3453 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3454 prototype): Move to...
3455 * cpplib.h: ... here. Rename struct hashnode to struct
3456 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3457 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3459 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3461 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3463 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3464 (class_can_change_size): New variable.
3465 (reg_changes_size): New variable.
3466 (init_reg_sets_1): Initialise class_can_change_size.
3467 (record_operand_costs): Remove subreg_changes_size.
3468 Don't pass it around. Instead update reg_changes_size.
3469 (regclass): Initialise and free reg_changes_size. If a register
3470 changes size, don't preference it to a class that contains
3471 registers that can't change size.
3472 (record_reg_classes): Don't look at subreg_changes_size.
3474 2000-05-27 Richard Henderson <rth@cygnus.com>
3476 * print-rtl.c (reg_names): Remove const.
3477 * regclass.c (reg_names): Likewise.
3478 * regs.h (reg_names): Likewise.
3479 * hard-reg-set.h (reg_names): Likewise.
3481 2000-05-27 Richard Henderson <rth@cygnus.com>
3483 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3485 2000-05-27 Richard Henderson <rth@cygnus.com>
3487 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3488 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3489 (alpha_expand_prologue): Emit prologue_mcount if needed.
3490 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3491 * config/alpha/alpha.md (prologue_mcount): New.
3492 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3493 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3494 * config/alpha/netbsd.h: Likewise.
3496 2000-05-27 Richard Henderson <rth@cygnus.com>
3498 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3499 change to config/elfos.h.
3501 2000-05-27 Richard Henderson <rth@cygnus.com>
3503 * Makefile.in (resource.o): Depend on except.h.
3504 * except.h (output_exception_table_data): Prototype.
3505 * genconfig.c (gen_peephole2): Prototype.
3506 * genemit.c (main): Include ggc.h.
3507 * genoutput.c: Revert parts of last change: include errors.h
3508 (main): Set progname.
3509 * recog.c: Include hard-reg-set.h before recog.h.
3510 * resource.c: Include except.h.
3512 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3514 (alpha_write_linkage): Protect with BUFSIZ.
3515 (alpha_need_linkage): Update prototype.
3516 * config/alpha/alpha.c (function_arg): Move VMS code here.
3517 (alpha_links_base): Remove.
3519 (mark_alpha_links_node, mark_alpha_links): New.
3520 (alpha_write_one_linkage): New.
3521 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3522 (alpha_write_linkage): Use splay_tree_foreach.
3523 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3524 to get the linkage symbol.
3525 (call_value_vms): Likewise.
3526 * config/alpha/elf.h (output_file_directive): Remove decl.
3527 (ctors_section, dtors_section): Prototype.
3528 (sbss_section, sdata_section): Prototype.
3529 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3530 (readonly_section, link_section, literals_section): Prototype.
3531 (ctors_section, dtors_section): Prototype.
3532 (vms_valid_decl_attribute_p): Remove decl.
3533 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3535 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3537 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3539 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3540 substituting the REG in a (subreg:X (reg:Y ...)).
3542 2000-05-28 Neil Booth <NeilB@earthling.net>
3544 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3545 first token of a line BOL. Update EOF code for this.
3546 Remove illegal directive check - it appears in the (not
3547 yet committed) caller.
3548 * cpplib.h (BOL): New flag.
3550 2000-05-28 Neil Booth <NeilB@earthling.net>
3552 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3553 (_cpp_free_toklist): No comment space to free.
3554 (expand_comment_space): Remove.
3555 (save_comment_space): Place the comment in the current token and
3556 not in a separate comment space.
3557 (_cpp_lex_line): Save comments during plain code and #define
3559 * cpplib.h (struct _cpp_toklist): Remove comment space.
3561 2000-05-28 Neil Booth <NeilB@earthling.net>
3563 * cppexp.c (parse_assertion): Supply extra argument to
3565 * cpplib.c (do_assert, do_unassert): Similarly.
3566 * cpphash.h (_cpp_init_toklist) Update.
3567 (_cpp_expand_token_space): New.
3568 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3569 * cpplex.c (_cpp_init_toklist): New argument.
3570 (parse_string2): New argument multiline_ok.
3571 (spell_token): Take a const cpp_token *.
3572 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3573 (SPELL_ macros): Replace with enum.
3574 (expand_token_space): Replace with _cpp_expand_token_space.
3575 Take COUNT argument.
3576 (IS_DIRECTIVE): Update.
3577 (_cpp_lex_line): Update token structure before parsing number.
3578 Don't assume start at beginning of token list.
3579 (save_comment): Use INIT_TOKEN_NAME.
3581 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3583 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3584 -Wmissing-prototypes.
3585 * configure: Regenerate.
3586 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3588 * builtins.c, calls.c: Change all instances of gen_call_* or
3589 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3590 * calls.c (struct_value_size_rtx): Separate definition from
3591 initialization to avoid unused variable warning.
3593 * genflags.c (gen_macro): New function.
3594 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3595 (gen_nonproto): Delete.
3596 (gen_insn): Put all insns on the same obstack.
3597 (main): Generate prototypes for everything unconditionally.
3599 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3600 out check for wchar_t.
3601 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3602 * system.h: Add infrastructure for defining missing
3603 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3604 definitions of UCHAR_MAX and SSIZE_MAX.
3605 * configure: Regenerate.
3606 * config.in: Regenerate.
3608 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3609 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3611 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3612 libgcc2.a, or libgcc1.null.
3614 2000-05-27 Richard Henderson <rth@cygnus.com>
3616 * Makefile.in (recog.o): Don't depend on resource.h.
3617 * recog.c: Don't include resource.h.
3618 (recog_last_allowed_insn): Remove.
3619 (recog_next_insn): Remove.
3620 (struct peep2_insn_data): New.
3621 (peep2_insn_data, peep2_current): New.
3622 (peep2_next_insn): New.
3623 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3624 (peep2_find_free_register): New.
3625 (peephole2_optimize): Track life information by insn as we go.
3626 * recog.h: Update declarations.
3627 * resource.c (find_free_register, reg_dead_p): Remove.
3628 * resource.h: Remove their declarations.
3629 * toplev.c: Include hard-reg-set.h before recog.h.
3631 * genconfig.c (max_insns_per_peep2): New.
3632 (gen_peephole2): New.
3634 * genemit.c (output_peephole2_scratches): Generate calls to
3635 peep2_find_free_register; adjust surrounding code.
3636 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3637 * genrecog.c (change_state): Don't track last_insn.
3638 (write_action): Write into *_pmatch_len before accepting.
3639 (write_tree): Adjust peephole2_insns and subroutines to match.
3641 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3643 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3644 (hard_int_register_operand): New.
3645 * config/alpha/alpha-protos.h: Declare it.
3646 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3647 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3648 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3650 2000-05-27 Richard Henderson <rth@cygnus.com>
3652 * function.c (thread_prologue_epilogue_insns): Don't move the
3653 line note at the head of the chain. Only force a lineno note
3654 before the end of block 0.
3656 2000-05-27 Richard Henderson <rth@cygnus.com>
3658 * gensupport.c (collect_insn_data): Record the maximum number
3659 of alternatives, not the last seen.
3661 * genoutput.c: Don't include errors.h.
3662 (struct data): Add lineno member.
3664 (scan_operands): Use message_with_line instead of error.
3665 (validate_insn_alternatives): Likewise.
3666 (gen_insn): Accept and store the pattern's line number.
3667 (gen_peephole, gen_expand, gen_split): Likewise.
3668 (main): Don't set progname. Pass line_no to gen_foo.
3670 2000-05-27 Richard Henderson <rth@cygnus.com>
3672 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3673 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3674 * config/d30v/d30v.md (attr predicable): New.
3675 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3676 (andsi3*): Unify into one pattern.
3677 (iorsi3*, xorsi3*): Likewise.
3678 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3680 (old cond_exec patterns): Remove.
3681 (define_cond_exec): New.
3683 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3685 * tree.h (TREE_CODE_LENGTH): New macro.
3686 * c-common.c (c_find_base_decl): Use it.
3687 * expr.c (safe_from_p): Likewise.
3688 * print-tree.c (print_node): Likewise.
3689 * tree.c (make_node, copy_node, get_identifier): Likewie.
3690 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3691 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3692 * fold-const.c (make_range): Likewise.
3693 (fold): Likewise; also use first_rtl_op.
3694 * c-iterate.c (collect_iterators): Use first_rtl_op.
3695 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3696 Use IS_EXPR_CODE_CLASS.
3697 (preexpand_calls): Likewise.
3698 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3699 and TREE_CODE_LENGTH.
3700 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3702 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3704 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3706 (movdi_internal64): Likewise.
3708 * config/rs6000/rs6000.md: Correct order of operands for DImode
3711 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3712 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3713 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3714 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3715 boolean_operator for the boolean patterns without NOTs.
3717 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3718 from reg_or_u_cint_operand. Change comment and behaviour.
3719 (logical_operand): Clean up, add assertion.
3720 (non_logical_cint_operand): Also check for
3721 reg_or_logical_cint_operand.
3722 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3723 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3729 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3731 * tree.h (struct record_layout_info): Rename to (struct
3732 record_layout_info_s).
3733 * stor-layout.c (start_record_layout): Replace
3734 `record_layout_info' with `record_layout_info_s'.
3736 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3738 * flow.c (find_label_refs): New function.
3739 (find_basic_blocks_1): Call it for each alternative of a call
3742 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3744 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3747 2000-05-25 Richard Henderson <rth@cygnus.com>
3749 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3750 so strict about DImode.
3751 (alpha_swapped_comparison_operator): Likewise.
3752 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3753 any integer output mode.
3754 (*setcc_internal): Likewise.
3755 (*setcc_swapped_internal): Likewise.
3756 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3757 (*mov[qhs]icc_internal): New.
3758 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3760 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3762 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3764 2000-05-25 Richard Henderson <rth@cygnus.com>
3766 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3767 Remove add_jump; add next; replace flags with visited.
3769 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3770 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3771 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3772 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3774 (reorder_index, reorder_last_visited): Remove.
3775 (skip_insns_after_block): Rewrite to use a switch.
3776 (get_common_dest): Remove.
3777 (chain_reorder_blocks): Remove.
3778 (record_effective_endpoints): Split out from reorder_basic_blocks.
3779 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3780 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3781 Only construct the reorder chain, do not move insns. Try harder
3783 (label_for_bb, emit_jump_to_block_after): New.
3784 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3785 and adjust the jump insns appropriately. Fixup basic_block_info.
3786 (verify_insn_chain): Always define.
3787 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3789 (make_new_scope): Don't write zeros to calloc'd space.
3790 (build_scope_forest): Rely on xrealloc to DTRT.
3791 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3792 profile_arc_flag. Streamline EH test.
3794 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3795 * basic-block.h: Declare them.
3797 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3799 * emit-rtl.c (reset_used_decls): New function.
3800 (unshare_all_rtl_again): Call it.
3802 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3804 * cpplex.c (maybe_macroexpand): Warn about function-like
3805 macros used in non-function context, if -Wtraditional.
3807 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3809 * recog.c (peephole2_optimize): Use INSN_P.
3811 2000-05-25 Richard Henderson <rth@cygnus.com>
3813 * ifcvt.c (seq_contains_jump): New.
3814 (noce_try_store_flag_constants): Use it to fail conversion.
3815 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3817 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3819 * except.h (can_throw): Declare it.
3820 * except.c (can_throw): Give it external linkage.
3821 * resource.c (find_dead_or_set_registers): Use can_throw.
3823 2000-05-25 Richard Henderson <rth@cygnus.com>
3825 * flow.c (mark_set_1): Don't record conditionally dead memory.
3827 2000-05-25 Jan Hubicka <jh@suse.cz>
3829 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3830 and pc_set at the place of simplejump_p and condjump_p.
3831 * cse.c (record_jump_equiv): Likewise.
3832 * emit-rtl.c (emit): Likewise.
3833 * explow.c (find_next_ref): Likewise.
3834 * flow.c (tidy_fallthru_edge): Likewise.
3835 (init_propagate_block_info): Likewise.
3836 * gcse.c (delete_null_pointer_checks): Likewise.
3837 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3838 dead_or_predicable): Likewise.
3839 * integrate.c (copy_insn_list): Likewise.
3840 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3841 for_each_insn_in_loop, check_dbra_loop, get_condition,
3842 insert_bct, load_mems): Likewise.
3843 * resource.c (find_dead_or_set_registers): Likewise.
3844 * sibcalls.c (simplejump_p): Likewise.
3845 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3847 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3849 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3850 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3852 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3853 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3854 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3855 * rs6000.md: Name various internal patterns.
3857 2000-05-25 Jan Hubicka <jh@suse.cz>
3859 * jump.c (invert_exp_1): Remove first argument, use pc_set
3860 to get the expression.
3861 (redirect_exp): Make static; redirect only the pc_set expression,
3862 remove first argument.
3863 (invert_exp): Remove first argument, make static.
3864 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3865 any_onlyjump at most places where we originaly did condjump_p
3867 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3868 (delete_barrier_succesors): Use pc_set.
3869 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3870 calls of invert_exp and redirect_exp.
3871 * rtl.h (redirect_exp, invert_exp): Remove.
3872 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3874 2000-05-25 Richard Henderson <rth@cygnus.com>
3876 * stmt.c (expand_end_bindings): Fix thinko last change.
3878 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3879 Andrew Haley <aph@cygnus.com>
3881 * except.c (func_eh_entry): Add emitted field.
3882 (new_eh_region_entry): Set emitted field to 0;
3883 (output_exception_table_entry): Only emit previously un-emitted data,
3884 and send it to the eh_data section.
3885 (output_exception_table): Break out common parts. Output
3886 exception table for entire compilation unit to eh_data section.
3887 (output_exception_table_data): Common parts of output_exception_table.
3888 Send output to eh_data section.
3889 (output_function_exception_table): Output exception table data for
3890 a single function to eh_data section.
3891 (free_exception_table): New external to free the table.
3892 * except.h (free_exception_table): Add prototype.
3893 (output_function_exception_table): Add prototype.
3894 * final.c (final_end_function): Output function exception table
3895 for IA64_UNWIND_INFO.
3896 (final_scan_insn): Emit any unwind directives for an insn.
3898 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3900 * frame.c: Remove all DWARF 2 specific code.
3901 * config/ia64/frame-ia64.c: New file.
3902 (gthread_stuff): Make all gthread available with
3904 (dwarf_fde): Define an IA64 struct for dwarf_fde.
3905 (__register_frame_info, __register_frame): Move to common area of file.
3906 (__register_frame_info_table, __register_frame_table): Move to common i
3908 (__deregister_frame_info, __deregister_frame): Move to common area.
3909 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
3910 (read_uleb128): New version for ia64.
3911 (get_unwind_record): Read the next IA-64 unwind record.
3912 (read_R_record): Read a region header record.
3913 (process_a_b_reg_code): X record helper.
3914 (read_X_record): Read an X format record.
3915 (read_B_record): Read a B format record.
3916 (P3_record_types): List of record types matching the P3 format.
3917 (P7_record_types): List of record types matching the P7 format.
3918 (P8_record_types): List of record types matching the P8 format.
3919 (read_P_record): Read a P format record.
3920 (init_ia64_reg_loc): Set default fields for a register.
3921 (init_ia64_unwind_frame): Set defaults for all register records.
3922 (execute_one_ia64_descriptor): Execute one descriptor record.
3923 (rse_address_add): Calculate the position of a local reg in memory.
3924 (normalize_reg_loc): Turn a location descriptor into a memory address.
3925 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
3926 within a specified PC offset range.
3927 (get_real_reg_value): Given a register location, retrieve its value.
3928 (set_real_reg_value): Change the value of a register location.
3929 (copy_reg_value): Copy reg values, if needed.
3930 (copy_saved_reg_state): Copy all registers that need to be copied.
3931 (process_state_between): Normalize all frame register records that
3932 fall within the specified PC range.
3933 (frame_translate): Take a processed frame description, and turn
3934 everything into addresses.
3935 (build_ia64_frame_state ): Find and create frame state record for a PC.
3936 (get_personality): Get the personality routine for a given frame.
3937 (get_except_table): Get the exception table for a given frame.
3938 (record_name): Unwind record names for debugging.
3939 (print_record): Print and unwind record.
3940 (print_all_records): Print an entire unwind image.
3941 (__ia64_backtrace): Print a backtrace.
3942 (ia64_backtrace_helper): New function.
3943 (__register_frame_info_aux): New function.
3944 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
3946 * frame.h (enum unw_record_type): New unwind record types.
3947 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
3948 (struct unw_r_record, unwind_record): New unwind record structs.
3949 (struct unwind_info_ptr): Unwind information layout.
3950 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
3952 (struct ia64_reg_loc): Register location description.
3953 (struct ia64_frame_state): Location of all registers in a frame.
3954 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
3955 * libgcc2.c (__ia64_personality_v1): Personality routine.
3956 (__calc_caller_bsp): Calculate the bsp register for the caller's
3958 (ia64_throw_helper): Figure out who to return to and set up the
3960 (__throw): Throw routine.
3962 * output.h (assemble_eh_align, assemble_eh_label): New functions
3963 to generate EH info where we want it.
3964 (assemble_eh_integer): New function.
3965 * toplev.c (compile_file): Output module level exception table for
3967 (main): Set exceptions_via_longjump and flag_new_exceptions based
3968 on IA64_UNWIND_INFO too.
3970 * varasm.c (assemble_eh_label): Generate a label via
3971 ASM_OUTPUT_EH_LABEL if it has been specified.
3972 (assemble_eh_align): Generate an alignment directive via
3973 ASM_OUTPUT_EH_ALIGN if it has been specified.
3974 (assemble_eh_label): Generate an integer value via
3975 ASM_OUTPUT_EH_type if they have been specified.
3976 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
3977 (ia64_init_builtins): Add __builtin_ia64_bsp
3978 and __builtin_ia64_flushrs.
3979 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
3980 IA64_BUILTIN_FLUSHRS.
3981 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
3982 IA64_BUILTIN_FLUSHRS.
3984 * config/ia64/ia64.md (flushrs): New insn to flush the register
3985 stack. Add to unspec list.
3987 * config/ia64/crtbegin.asm (frame_object): Change size.
3988 (__do_frame_setup_aux): New function.
3989 * config/ia64/crtend.asm: call __do_frame_setup_aux.
3990 * config/ia64/t-ia64 (LIB2ADDEH): Add.
3991 * Makefile.in (LIB2ADDEH): Add.
3992 (LIB2ADD): Use LIB2ADDEH.
3994 2000-05-24 Richard Henderson <rth@cygnus.com>
3996 * recog.c (offsettable_address_p): If mode size is zero, assume
3999 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4001 * configure.in: Check for -Wno-long-long option support and improve
4002 handling of warning CFLAGS for stages 1 and 2.
4003 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4004 * configure: Regenerate.
4006 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4008 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4009 * contrib.texi: New file.
4011 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4013 * loop.c (basic_induction_var): Avoid double recording of an increment.
4015 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4017 * Back out this patch:
4018 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4019 * loop.h (struct induction): Add multi_insn_incr.
4020 * loop.c (basic_induction_var): New multi_insn_incr argument.
4021 Set it if we search back through previous insns for the biv.
4022 (record_biv): New multi_insn_incr argument; fill in struct induction.
4023 (strength_reduce): Discard an iv with multiple bivs, any of
4024 which require multiple insns to increment.
4026 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4028 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4030 * rtl.h (loc_mentioned_in_p): Declare.
4031 * reload.c (loc_mentioned_in_p): Moved from here...
4032 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4033 Fix loop increment for 'E' handling.
4034 * loop.c (strength_reduce): When doing biv->giv conversion,
4035 take multi-insn biv increments into account.
4037 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4039 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4042 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4044 * calls.c (expand_call): Handle cleanups in tail-recursion
4045 arguments analagously to cleanups in sibling calls.
4047 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4049 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4050 All callers changed.
4052 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4054 * expr.c (expand_assignment, store_expr, expand_expr,
4055 expand_expr_unaligned): Set in_check_memory_usage while emitting
4056 chkr_check_addr libcall.
4058 2000-05-24 Nick Clifton <nickc@cygnus.com>
4060 * fold-const.c (extract_muldiv): When constructing a
4061 multiplier/divisor, do not expect const_binop to correctly
4062 determine if overflow has occured, so check explicitly.
4064 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4066 * c-decl.c (build_enumerator): Don't modify the value's type,
4069 2000-05-24 Andreas Jaeger <aj@suse.de>
4071 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4073 2000-05-24 Eric Christopher <echristo@cygnus.com>
4075 * configure.in: Redefine inhibit_libc conditions.
4076 * libgcc2.c: Remove inhibit_libc conditional define.
4077 * configure: Regenerate.
4079 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4081 * configure.in: For --enable-languages=LIST, check for empty LIST.
4082 * configure: Regenerate.
4084 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4086 * pdp11.h (STACK_BOUNDARY): Define.
4088 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4090 * ifcvt.c (if_convert): Update life info globally.
4092 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4094 * emit-rtl.c (unshare_all_decls): New function.
4095 (unshare_all_rtl): Call it.
4097 2000-05-23 Nick Clifton <nickc@cygnus.com>
4099 * configure.in: Treat 'strongarm' as if it were 'arm' when
4100 determining cpu type.
4102 * configure: Regenerate.
4104 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4105 where constant strings are involved.
4107 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4110 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4111 cases where constant strings are involved.
4113 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4115 * config/sh/sh.c (gen_far_branch, split_branches): Update
4116 to reflect new prototypes for redirect_jump and invert_jump.
4117 (sh_insn_length_adjustment): Get rid of const warnings.
4119 2000-05-23 Kazu Hirata <kazu@hxi.com>
4121 * invoke.texi (Options for Debugging Your Program or GCC): Update
4122 the names of dump files.
4124 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4126 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4127 * configure: Regenerated.
4129 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4131 * simplify-rtx.c (SIGN_EXTEND): New macro.
4132 (simplify_unary_operation, simplify_binary_operation,
4133 simplify_relational_operation): Use SIGN_EXTEND. Make low
4134 halves of (low, high) pairs unsigned if they weren't already.
4135 (simplify_ternary_operation): Cast INTVAL to unsigned before
4136 comparing to a MODE_BITSIZE.
4138 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4140 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4141 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4143 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4144 gcc_AC_NEED_DECLARATIONS.
4146 * dwarfout.c: Don't prototype time().
4148 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4150 * system.h: Likewise.
4152 * toplev.c: Likewise.
4154 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4156 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4158 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4160 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4162 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4164 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4166 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4168 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4169 (alpha_start_function): Never write ..ng label if VMS or NT.
4170 (alpha_align_insns): Remove GP_IN_USE arg.
4171 Alignment now unsigned.
4172 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4173 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4174 and two define_insn's.
4176 2000-05-22 Richard Henderson <rth@cygnus.com>
4178 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4180 2000-05-22 Richard Henderson <rth@cygnus.com>
4182 * stor-layout.c (place_field): Change rli->size to rli->offset.
4184 2000-05-22 Richard Henderson <rth@cygnus.com>
4186 * function.c (thread_prologue_and_epilogue_insns): Make sure
4187 existing line number notes appear after the prologue.
4189 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4191 * config/alpha/alpha.c (alpha_fnname): New static variable.
4192 (print_operand, case '~'): New case.
4193 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4194 (alpha_start_function): Set alpha_fnname.
4195 Write "ng" label if no ldgp; don't write ldgp insn.
4196 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4197 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4199 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4201 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4204 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4206 * varasm.c (eh_frame_section): Revert change to argument list.
4208 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4210 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4211 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4213 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4214 dangling "else" that causes "break" to be conditional.
4215 Also remove unneeded code at start.
4217 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4219 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4220 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4221 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4223 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4225 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4228 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4230 * alias.c (record_component_aliases): New function.
4231 * tree.h: Clean up some declarations and comments.
4232 (record_component_aliases): New declaration.
4233 * tree.c (get_alias_set): If type and has alias set, use it.
4235 2000-05-22 Richard Henderson <rth@cygnus.com>
4237 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4238 IF_THEN_ELSE to a setcc form.
4239 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4241 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4243 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4244 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4246 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4248 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4251 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4253 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4254 * config/mn10300/mn10300.c (print_operand): Likewise.
4256 * final.c (split_double): Right shift of negative values is not
4259 * ifcvt.c (if_convert): Scan and kill dead code.
4261 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4263 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4265 * diagnostic.c: Eliminate implicit int.
4266 * except.c, gcc.c: Add static prototypes.
4267 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4268 * gensupport.c (process_rtx): Use XVEC to initialize vector
4271 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4272 debug_reg_names instead of static reg_names. If not, define
4274 * regclass.c: Don't define global reg_names unless
4275 DEBUG_REGISTER_NAMES is defined.
4277 * reload1.c (order_regs_for_reload): Remove unused variable.
4278 * varasm.c: Include output.h after defaults.h. Define
4279 eh_frame_section as function of no args, not of unspecified args.
4281 * gcc.c: Constify argbuf; arguments to store_arg,
4282 process_command, main; elements of struct command and struct
4283 switchstr; local variables in execute, process_command, main.
4285 2000-05-20 Bruce Korb <bkorb@gnu.org>
4287 * fixinc/inclhack.def: many applications of c_fix=format + tests
4288 * fixinc/check.diff: regenerated
4289 * fixinc/fixincl.x: regenerated
4291 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4293 * alias.c: Clarify some comments.
4294 (record_base_value): REGNO is unsigned.
4295 * rtl.h (record_base_value): Likewise.
4297 * alias.c (aliases_everything_p): Don't special-case QImode here.
4298 * c-common.c (c_get_alias_set): Do it here.
4299 Handle BIT_FIELD_REF by getting alias info for arg.
4302 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4304 * mklibgcc.in: Restore rule to create ${dir}.
4306 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4308 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4309 GCC_FOR_TARGET used by MULTILIBS.
4310 * mklibgcc.in: Make sure each .o file depends on the
4311 directory it will be in.
4312 Make the multilib directory depends libgcc.
4314 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4316 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4318 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4320 * fold-const.c (make_range): Handle degenerated intervals.
4321 Fixes c-torture/execute/991221-1.c
4323 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4325 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4326 * reload.c (find_equiv_reg): Likewise.
4327 * alias.c (init_alias_analysis): Likewise.
4328 Only call prologue_epilogue_contains on insns.
4329 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4330 * bb-reorder.c (hard-reg-set.h): Include earlier.
4331 * haifa-sched.c (hard-reg-set.h): Likewise.
4332 * ifcvt.c (hard-reg-set.h): Likewise.
4333 * local-alloc.c (hard-reg-set.h): Likewise.
4334 * loop.c (hard-reg-set.h): Likewise.
4335 * predict.c (hard-reg-set.h): Likewise.
4336 * regrename.c (hard-reg-set.h): Likewise.
4337 * flow.c (hard-reg-set.h): Likewise.
4338 (reg_set_to_hard_reg_set): New function.
4339 * bitmap.c (regs.h, basic-block.h): No longer include.
4340 (bitmap.h): Now include.
4341 * conflict.c (hard-reg-set.h): Include.
4342 * profile.c (hard-reg-set.h): Likewise.
4343 * print-rtl.c (hard-reg-set.h): Likewise.
4344 * sbitmap.c (hard-reg-set.h): Likewise.
4345 * toplev.c (hard-reg-set.h): Likewise.
4346 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4347 * hard-reg-set.h (reg_names): Now constant.
4348 * regs.h (reg_names): Likewise.
4349 * regclass.c (reg_names): Likewise.
4350 * loop.h (basic-block.h): No longer include.
4351 (bitmap.h): Now include.
4352 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4353 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4354 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4356 2000-05-19 Jan Hubicka <jh@suse.cz>
4357 Richard Henderson <rth@cygnus.com>
4359 * basic-block.h (struct edge_def): New field "count".
4360 (struct basic_block_def): Likewise.
4361 * flow.c (entry_exit_blocks): Add count fileds.
4362 (split_edge): Keep count information up-to-date.
4363 (dump_edge_info, dump_flow_info): Dump count fields.
4365 * final.c (count_instrumented_edges): Rename to edge from arc.
4366 (end_final): Update users.
4367 * profile.c: Include expr.h, basic-block.h.
4368 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4369 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4370 (ignore_next_note, return_label_execution_count): Kill.
4371 (bbg_file_name, da_file_name): Kill.
4372 (edge_info, bb_info): New structures.
4373 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4374 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4375 (total_num_edges_instrumented): Likewise.
4376 (init_arc, expand_spanning_tree): Kill.
4377 (fill_spanning_tree, tablejump_entry_p): Kill.
4378 (instrument_edges): Rewrite from instrument_arcs to use
4379 commit_edge_insertions infrastructure.
4380 (compute_branch_probabilities): Remove arguments; rewrite for
4381 CFG infrastructure; use rtl_dump_file directly.
4382 (branch_prob, find_spanning_tree): Likewise.
4383 (union_groups, find_group): New.
4384 (init_branch_prob): Make bbg_file_name and da_file_name local.
4385 (end_branch_prob): Use rtl_dump_file directly.
4386 (init_edge_profiler): Rename to edge from arc.
4387 (output_arc_profiler): Kill.
4388 (gen_edge_profiler): New.
4389 (output_func_start_profiler): Turn off profiling. Make the
4390 constructor static when we can.
4391 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4393 * toplev.c (DFI_flow): Remove.
4394 (DFI_cfg, DFI_life): New.
4395 (dump_file): Update accordingly.
4396 (compile_file): Call end_branch_prob if profile_arc_flag too.
4397 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4398 profiling after the CFG is built. Move flow1 life analysis to
4399 DFI_life. Always estimate remaining probabilities.
4401 2000-05-19 Richard Henderson <rth@cygnus.com>
4403 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4405 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4407 2000-05-19 Richard Henderson <rth@cygnus.com>
4409 * jump.c (redirect_jump): Add delete_unused argument. Don't
4410 remove labels and code following when LABEL_NUSES goes to zero.
4411 (invert_jump): Likewise.
4412 (jump_optimize_1): Fix redirect/invert arguments.
4413 (do_cross_jump, thread_jumps): Likewise.
4414 * flow.c (split_edge): Likewise.
4415 * reorg.c (optimize_skip): Likewise.
4416 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4417 * profile.c (instrument_arcs): Likewise.
4418 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4419 * rtl.h: Update prototypes.
4421 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4423 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4425 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4428 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4430 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4431 past l1 when deleting whitespace and markers.
4433 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4434 * cpplib.c (do_unassert): Put the list to compare against on
4437 2000-05-19 Bruce Korb <bkorb@gnu.org>
4439 * fixinc/README: cleaned up old documentation
4440 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4441 * fixinc/check.tpl: compute the list of needed directories
4442 emit "#if defined(name)" because of conflict
4443 omit machine name differences from output differences
4444 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4445 (machine_name): change test text to use `sed' markers
4446 * fixinc/fixincl.x: regen
4448 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4450 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4453 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4455 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4456 it to match the current practice.
4458 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4460 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4462 2000-05-18 Richard Henderson <rth@cygnus.com>
4464 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4465 * rtl.h (insn_dependant_p): Declare it.
4466 * loop.c (strength_reduce): Use it.
4468 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4470 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4471 16-bit and 64-bit clean-up.
4473 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4475 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4476 * configure: Rebuilt.
4478 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4480 * genopinit.c: Use $ for escape sequences in optab patterns.
4481 Remove backslashes from optab patterns. Change $A, $B, $C to
4482 expand to (int) whatever instead of just whatever; remove
4483 explicit (int) from all optab patterns.
4485 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4486 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4487 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4488 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4491 2000-05-18 Richard Henderson <rth@cygnus.com>
4493 * jump.c (jump_optimize_1): Base minimum insn count during
4494 find_cross_jump on BRANCH_COST.
4496 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4498 * print-rtl.c (print_rtx): Only print note line number as string
4499 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4500 * final.c (final_scan_insn): Do nothing for note line number 0.
4502 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4504 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4505 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4506 NOTE_INSN_DELETED_LABEL.
4508 2000-05-18 Nick Clifton <nickc@cygnus.com>
4510 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4511 uninitialised data in .rodata not .bss, and do not interpret an
4512 error in the initialisation value as meaning that the variable
4513 should be placed in the .bss section.
4515 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4517 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4518 not `$ac_cv_prog_cc_cc_c_o'.
4519 * configure: Regenerated.
4521 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4522 Richard Henderson <rth@cygnus.com>
4524 * c-common.h (enum c_tree_index): Add g77 type entries.
4525 (g77_integer_type_node, g77_uinteger_type_node): New.
4526 (g77_longint_type_node, g77_ulongint_type_node): New.
4527 * c-decl.c (init_decl_processing): Initialize them.
4529 2000-05-18 Richard Henderson <rth@cygnus.com>
4531 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4533 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4534 (small_power_of_two): Likewise; use exact_log2.
4535 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4536 (output_adds_subs): Remove.
4537 (two_insn_adds_subs_operand): New.
4538 (split_adds_subs): New.
4539 * config/h8300/h8300-protos.h: Update.
4540 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4541 (CONST_OK_FOR_L): Match strict adds operands.
4542 (CONST_OK_FOR_N): Match struct subs operands.
4543 * config/h8300/h8300.md (adds_subs insns): Remove.
4544 (addhi patterns): Output adds/subs directly.
4545 (addsi_h8300h): Likewise.
4546 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4548 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4550 * cppexp.c (parse_assertion): New.
4551 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4552 (_cpp_parse_expr): Remove case '#'. Don't set
4553 parsing_if_directive.
4554 * cpphash.c (collect_objlike_expansion,
4555 collect_funlike_expansion, collect_params,
4556 _cpp_create_definition): The list no longer has a trailing
4558 * cpphash.h (enum node_type): Add T_ASSERTION.
4559 (struct hashnode): Remove aschain, add pred.
4560 (struct predicate): New.
4563 * cpplex.c (expand_token_space): Handle both offset and
4565 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4566 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4567 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4568 _cpp_equiv_toklists): New.
4569 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4570 stop at any single-character token, not just newline.
4571 (_cpp_lex_token): Remove special cases for #define and #if.
4572 (cpp_get_token): Expect # as a separate token type. Remove
4574 (_cpp_get_directive_token): Remove DIRECTIVE case.
4575 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4577 * cpplib.c (_cpp_check_directive): Set dirno and
4578 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4579 (_cpp_handle_directive): Run # <number> through the same logic
4580 as normal directives.
4581 (do_define): Don't set parsing_define_directive. Use
4582 _cpp_scan_until. The list does not have a VSPACE at the end.
4583 (do_if): Save, clear, and restore only_seen_white around
4585 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4586 (do_assert, do_unassert): Rewrite.
4588 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4589 (LIST_OFFSET): New flag.
4590 (struct cpp_toklist): Replace dir_handler and dir_flags with
4592 (struct cpp_reader): Remove parsing_if_directive and
4593 parsing_define_directive.
4595 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4597 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4598 following the cabs decl which terminate on the following line.
4599 Add the corresponding test_text case.
4601 2000-05-18 Neil Booth <NeilB@earthling.net>
4603 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4604 default tab stop size.
4605 (no_num, OPT_ftabstop): New.
4606 (handle_option): Handle "ftabstop=" command-line option.
4607 (print_help): Document it.
4608 * cpplex.c (COLUMN): Remove.
4609 (handle_newline): Reset col_adjust.
4610 (skip_whitespace): Update col_adjust as tabs encountered.
4611 (_cpp_lex_line): Update to use col_adjust. Call
4612 skip_whitespace for all whitespace.
4613 * cpplib.h (struct cpp_options): New member tabstop.
4614 (struct cpp_reader): New member col_adjust.
4615 (CPP_BUF_COL): Update.
4616 (CPP_BUF_COLUMN): New.
4617 * cpp.texi: Document "-ftabstop=" command line option.
4619 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4621 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4623 * configure: Rebuilt.
4625 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4627 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4629 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4630 HOST_BITS_PER_WIDE_INT is >= 64.
4632 2000-05-17 Richard Henderson <rth@cygnus.com>
4634 * jump.c (jump_optimize_1): Remove inactive but real insns
4635 in jump-to-next-insn optimization.
4637 2000-05-17 Richard Henderson <rth@cygnus.com>
4639 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4640 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4641 Don't call recompute_reg_usage if no_new_pseudos is true.
4642 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4643 Return true if we did work; update global life information.
4644 * basic-block.h (optimize_mode_switching): Update decl.
4646 2000-05-17 Neil Booth <neilb@earthling.net>
4648 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4650 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4652 * cpplib.c: New feature, #pragma system_header.
4653 * cpp.texi: Document special treatment of system headers, and
4654 the various mechanisms to get a header that special treatment.
4656 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4658 * system.h (offsetof): Define at the very end, to ensure we prefer
4659 the platform's definition if available.
4661 2000-05-16 Bruce Korb <bkorb@gnu.org>
4663 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4664 * fixinc/server.c: likewise
4665 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4666 + #ifdef debugging code + use #def constant for
4668 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4669 on C++ math namespace
4671 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4674 Don't check the return value of sprintf. Use asprintf to avoid
4677 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4679 * flags.h (warn_unused_function, warn_unused_label,
4680 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4681 Replace ``warn_unused''.
4682 (set_Wunused): Add declaration.
4683 * toplev.c (set_Wunused): New function.
4684 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4685 warn_unused_variable, warn_unused_value): New variables.
4686 (W_options): Add -Wunused-function, -Wunused-function,
4687 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4688 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4690 * toplev.c (decode_W_option): Update -Wunused flags by calling
4692 * c-decl.c (c_decode_option): Ditto for -Wall.
4694 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4695 warn_about_unused_variables): Replace warn_unused with more
4696 explicit warn_unused_value et.al.
4697 * function.c (expand_function_end): Ditto.
4698 * c-typeck.c (internal_build_compound_expr,
4699 internal_build_compound_expr): Ditto.
4700 * c-decl.c (poplevel, pop_label_level): Ditto.
4701 * toplev.c (check_global_declarations): Replace warn_unused with
4702 check for either warn_unused_function or warn_unused_variable.
4704 * gcc.1, invoke.texi (Warning Options): Document
4705 -Wunused-function, -Wunused-function, -Wunused-label,
4706 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4708 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4710 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4711 $(srcdir), not in the current directory.
4713 2000-05-16 Richard Henderson <rth@cygnus.com>
4715 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4716 assembler supports it.
4717 (.fini, .init): Use a gp-relative indirect call.
4718 (__do_global_dtors_aux): Preserve the gp; rebundle.
4719 (__do_frame_setup): Likewise.
4720 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4721 (.init): Use a gp-relative indirect call.
4722 (__do_global_ctors_aux): Preserve the gp.
4724 2000-05-16 Richard Henderson <rth@cygnus.com>
4726 * flow.c (commit_one_edge_insertion): Be prepared for a return
4727 insn to be inserted on the edge with a normal jump.
4728 * jump.c (jump_optimize_1): Don't look to create return isns.
4730 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4731 * jump.c (jump_optimize_1): Likewise.
4732 (returnjump_p): Verify the argument is a JUMP_INSN.
4733 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4735 2000-05-16 Nick Clifton <nickc@cygnus.com>
4737 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4738 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4739 (large_insn_p): Ditto.
4740 (m32r_is_insn): New function: Return true if the insn contains
4741 an executable instruction.
4742 (m32r_adjust_insn): Use m32r_is_insn.
4743 (m32r_sched_reorder): Use m32r_is_insn.
4744 (m32r_sched_variable_issue): Use m32r_is_insn.
4746 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4748 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4751 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4753 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4754 according to given options.
4756 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4758 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4759 if X has VOIDmode either.
4760 (LIMIT_RELOAD_CLASS): Similarly.
4762 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4763 not "general_operand" to match the processor's capabilities.
4765 2000-05-16 Bruce Korb <bkorb@gnu.org>
4767 * fixinc/README: corrected return address
4768 * fixinc/check.diff: regenerate, now that test works
4769 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4770 (char_macro_def_fix,char_macro_use_fix): corrected and
4771 rewrote to use regex to parse the text
4772 * fixinc/inclhack.def: more testing
4773 * fixinc/fixincl.x: regenerated
4775 * fixinc/inclhack.def: added several "test_text" attributes
4776 changed several fixes to use `c_fix = format'
4777 re-alphabetized the fixes
4779 * fixinc/check.diff: regenerate
4780 * fixinc/fixincl.x: regenerate
4781 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4785 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4787 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4789 2000-05-15 Richard Henderson <rth@cygnus.com>
4791 * toplev.c (rest_of_compilation): Run full jump pass before
4792 find_basic_blocks of flow2.
4794 2000-05-15 Richard Henderson <rth@cygnus.com>
4796 * jump.c: Fix typos and clarify commentary from last change.
4797 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4798 (safe_to_remove_jump_p): Remove.
4799 (condjump_label): Use pc_set.
4801 2000-05-15 Richard Henderson <rth@cygnus.com>
4803 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4804 that get in the way after reload.
4805 (cond_exec_process_if_block): Skip a label heading THEN block.
4807 2000-05-15 Richard Henderson <rth@cygnus.com>
4809 * varasm.c (output_constant_pool): Abort instead of converting
4810 (improperly) deleted labels to zero.
4812 2000-05-16 Neil Booth <NeilB@earthling.net>
4814 * cpplex.c (parse_string2): Update comment.
4815 (cpp_lex_line): No special assertion treatment for '('.
4816 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4817 * cpplib.h (SYNTAX_ASSERT): Remove.
4819 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4821 * jump.c (condjump_p): Mark as depreached.
4822 (any_condump_p): New.
4823 (any_uncondump_p): New.
4825 (safe_to_remove_jump_p): New.
4826 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4827 safe_to_remove_jump_p): Declare.
4829 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4831 * calls.c: Re-install both patches reverted by last patch.
4832 (struct arg_data): New field tail_call_reg.
4833 (initialize_argument_information): Initialize tail_call_reg
4834 (load_register_parameters): New argument flags, use
4835 tail_call_reg when emiting tail call sequence.
4836 (expand_call): Update call of load_register_parameters;
4837 copy unadjusted_args_size to adjusted_args_size.
4839 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4841 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4842 and bct_p parameters to flags.
4843 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4844 * rtl.h (loop_optimize): Update prototype.
4845 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4847 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4849 * calls.c (expand_call): Move expand_start_target_temps call after
4852 2000-05-15 Neil Booth <NeilB@earthling.net>
4854 * cpphash.c (trad_stringify, warn_trad_stringify,
4855 collect_params): Make some pointers pointers to const.
4856 * cpplex.c (auto_expand_name_space) Guaranteed to always
4857 expand by at least one character.
4858 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4859 (struct token_spelling): Use const U_CHAR * rather than PTR.
4860 (expand_name_space): Fix up token pointers if name space
4861 is moved when expanding.
4862 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4863 parse_string2, save_comment, spell_token, cpp_output_list):
4864 Update so the routines handle tokens with a direct pointer to
4865 their text, rather than an offset into the token's list's namebuf.
4866 (_cpp_lex_line): Rearrange for clarity.
4868 * cpplib.c (_cpp_check_directive): Similarly.
4869 (do_define): Make SYM a pointer to const.
4870 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4871 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4872 (TOK_OFFSET): Delete.
4875 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4877 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4880 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4882 (logical_u_operand): Delete.
4883 (non_logical_cint_operand): Rewrite to take MODE into account.
4884 (non_logical_u_cint_operand): Delete.
4885 (boolean_operator): New function.
4886 (print_operand): Add new %q operand.
4887 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4888 remove logical_u_operand and non_logical_u_cint_operand,
4889 update logical_operand and non_logical_cint_operand.
4890 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4891 logical operations to use %q.
4893 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4894 (movdi): Make similar to movsi.
4895 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4896 is no such thing as a DImode CONST_DOUBLE.
4897 * config/rs6000/rs6000.c (output_toc): Likewise.
4899 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4900 codes when old mnemonics are in use. Print register names
4901 for cc registers when requested.
4903 * optabs.c (expand_float): Don't allow mode widening that causes
4906 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
4907 flags to their current names -maix64 and -maix32.
4909 2000-05-14 Bruce Korb <bkorb@gnu.org>
4911 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
4912 and/or after current text of file
4913 * fixinc/fixlib.c(must_malloc):
4914 * fixinc/fixlib.h(must_malloc): + reformatting
4915 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
4916 with usages of ``c_fix = wrap;''
4917 Add several tests and use the ``c_fix = format'' fixer more.
4918 * fixinc/fixincl.x: regen
4919 * fixinc/check.diff: regen
4920 * fixinc/check.tpl: emit the associated header with the missing
4923 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
4925 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
4926 variables $src and $dst.
4928 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
4930 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
4931 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
4932 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
4933 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
4935 (set_message_prefixing_rule): Declare.
4937 * diagnostic.c: (current_prefixing_rule): New variable.
4938 (set_message_prefixing_rule): Define.
4939 (output_set_prefix): Adjust buffer->emitted_prefix_p.
4940 (init_output_buffer): Adjust Initialization.
4941 (output_emit_prefix): Rewrite. Take prefixing rules into account.
4943 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
4945 * ifcvt.c (if_convert): Do not free NULL.
4947 2000-05-12 Nick Clifton <nickc@cygnus.com>
4949 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
4950 to move a double word value.
4951 (di_operand): New function: Return true if the operand is suitbale
4952 for a double word move operation.
4953 (nonimmediate_di_operand): New function: Return true if the
4954 operand is a DImode register or MEM.
4956 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
4957 nonimmediate_di_operand.
4959 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
4960 nonimmediate_di_operand.
4962 * config/fr30/fr30.md (movdi): New pattern. Required because
4963 other patterns generate DImode results.
4964 (movdi_insn): New pattern.
4966 2000-05-12 Richard Henderson <rth@cygnus.com>
4968 * config/alpha/alpha.c (struct shadow_summary): Define
4969 bitfields as type unsigned int.
4971 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
4973 * config/avr/t-avr: Added definition of FLOAT while generates
4976 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
4977 peepholes for tst+jump = sbrs/sbrc optimization.
4979 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
4981 * expr.c (emit_push_insn): Do not adjust stack pointer when
4984 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
4986 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
4987 * system.h (offsetof): ... to here.
4989 2000-05-12 Richard Henderson <rth@cygnus.com>
4991 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
4992 * final.c (final_end_function): Use app_disable. Rearrange note
4993 handling into a switch. Emit deleted labels.
4994 (output_asm_label): Generate label strings for deleted labels.
4995 * flow.c (tail_recursion_label_list): New.
4996 (find_basic_blocks_1): Set label_value_list directly. Collect list
4997 of tail recursion labels from call_placeholders. Don't add deleted
4998 labels to the label value list.
4999 (cleanup_cfg): Use free_EXPR_LIST_list.
5000 (flow_delete_insn_chain): Turn non-removable labels into notes.
5001 (flow_delete_block): Don't disable deleting the block because of
5002 a non-removable label.
5003 (tail_recursion_label_p): New.
5004 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5006 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5008 (merge_blocks): Disable a merge because of tail recursion labels.
5009 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5010 Use a more accurate measure of not merging the join block.
5011 (find_if_block): Don't disable conversion because of a label.
5012 (find_if_case_1, find_if_case_2): Likewise.
5013 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5014 element when copying.
5015 (squeeze_notes): Also leave EH notes.
5016 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5018 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5020 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5021 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5022 referring to a deleted label. Convert tail handling to a switch.
5023 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5024 for NOTE_INSN_DELETED_LABEL.
5025 (NOTE): Fix commentary.
5026 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5027 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5028 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5029 (LABEL_NUSES, LABEL_REFS): Likewise.
5030 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5032 2000-05-12 Bruce Korb <bkorb@gnu.org>
5034 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5035 * fixinc/check.diff: updated
5036 * fixinc/inclhack.def: corrected & added some test_text-s
5037 * fixinc/genfixes: removed unneeded options to autogen invocation
5038 * fixinc/fixincl.tpl: Specified the output file
5039 * fixinc/fixfixes.c: visual appearance
5040 * fixinc/fixincl.x: regenerate
5042 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5044 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5045 CTRL_defn_fix): Delete.
5046 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5047 char_macro_def_fix and char_macro_use_fix, respectively. Put
5048 them into the FIXUP_TABLE. Get the string to search for from
5051 (format_write): New function.
5052 (format_fix): Use it.
5054 (FIX_PROC_HEAD): Constify text parameter.
5055 (machine_name_fix): Constify all char *s.
5056 * fixtests.c (skip_quote): Remove double static.
5058 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5059 ctrl_use_quotes): Update for new scheme.
5060 * fixincl.x: Regenerate.
5062 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5064 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5066 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5067 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5069 2000-05-11 Robert Lipe <robertlipe@usa.net>
5071 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5072 * fixincl.x: Regenerate.
5074 2000-05-11 Richard Henderson <rth@cygnus.com>
5076 * calls.c: Revert both 05-09 patches.
5078 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5080 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5082 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5085 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5086 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5088 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5090 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5092 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5094 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5096 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5098 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5099 * config/avr/avr.c (jump_over_one_insn_p): New function.
5100 * config/avr/avr.md: New peepholes added. Output test and
5101 conditional jump to "sbrc" or "sbrs" command.
5103 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5105 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5107 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5109 * except.c (find_exception_handler_labels_1): New function.
5110 (find_exception_handler_labels): Split into two functions, dive
5111 into CALL_PLACEHOLDERs when looking for exception handler labels.
5113 2000-05-11 Stan Cox <scox@cygnus.com>
5115 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5116 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5117 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5119 2000-05-11 Bruce Korb <bkorb@gnu.org>
5121 * fixinc/fixfixes.c (double_slash_fix): obsolete
5122 (else_endif_label_fix): obsolete
5123 (format_fix): new, unused as yet
5125 * fixinc/fixlib.h: added fix description struct for use by format_fix
5126 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5127 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5128 modules. Removed the vestiges of the script version.
5129 Added support for "make check".
5130 * fixinc/check.diff: base diff file (needs work!!)
5131 * fixinc/check.tpl: quiet the fixup output
5132 * fixinc/fixtests.c (main): obsolete
5133 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5134 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5136 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5138 * toplev.c (rest_of_compilation): Remove dead code after
5141 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5143 * cpphash.c (collect_funlike_expansion): Make "# is not
5144 followed by a macro argument name" a pedwarn, not an error.
5145 Preserve the # in the output. Suppress the warning if lang_asm.
5147 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5149 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5150 * configure: Rebuilt.
5152 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5154 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5156 2000-05-10 Kazu Hirata <kazu@hxi.com>
5158 * combine.c (try_combine): Fix a typo.
5160 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5162 * config/ia64/ia64.md (insv): Add comment.
5164 2000-05-10 Richard Henderson <rth@cygnus.com>
5166 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5167 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5168 dependancies on FPBIT and DPBIT.
5170 2000-05-10 Nick Clifton <nickc@redhat.com>
5172 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5173 when optimising for size.
5174 (mark_used_regs:) Ditto.
5175 (try_pre_increment_1): Ditto.
5177 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5179 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5180 Make error message friendlier.
5182 * cpphash.h (struct hashnode): Use struct hack for name
5184 * cpphash.c (struct hashdummy): New.
5185 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5186 (make_HASHNODE): No need to set ->name pointer. Correct
5188 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5190 2000-05-10 Richard Henderson <rth@cygnus.com>
5192 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5195 2000-05-10 Bruce Korb <bkorb@gnu.org>
5197 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5199 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5201 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5202 after we enter .debug.
5204 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5206 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5207 abstract instance of a nested inline function.
5209 * stor-layout.c (finish_record_layout): finalize_type_size
5210 before laying out the pending_statics.
5212 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5214 * cpplex.c (spell_token): New function.
5215 (spell_string, spell_comment, spell_name): fold into
5218 (E, H): Remove macros.
5219 (save_comment): Save comment opening characters too.
5220 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5222 * cpplib.h (I, S): Add macros.
5223 (E, H): Remove macros.
5224 (TTYPE_TABLE): Update entries for new speller.
5225 (SYNTAX_ASSERT): Remove.
5227 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5229 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5230 when removing escaped newlines. Reverse sense of test for
5233 2000-05-09 Richard Henderson <rth@cygnus.com>
5235 * flow.c (find_basic_blocks_1): Do not delete the first
5236 bb_note we run across.
5237 (create_basic_block): Use reorder_insns to move an existing
5238 bb_note to the correct place.
5240 2000-05-09 Richard Henderson <rth@cygnus.com>
5242 * calls.c (expand_call): Increment currently_expanding_call
5243 before calling optimize_tail_recursion.
5245 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5247 * reload1.c (reload_combine): Fix errors in last change.
5249 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5251 * gcc.c (used_arg): Skip over a semicolon at the end of the
5252 split-up loop; don't break out of it.
5254 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5255 (tree.o): Depend on output.h.
5257 * c-decl.c (pending_invalid_xref_file,
5258 current_function_prototype_file): Constify.
5259 (pushdecl): Constify a local char *.
5260 (define_label): Constify filename parameter.
5261 * c-lex.c (init_parse): Constify parameter and return value.
5262 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5263 * c-tree.h: Update prototypes.
5264 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5265 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5266 objc/objc-parse.c: Regenerate.
5268 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5269 * dwarfout.h: Update prototypes.
5270 * expr.c (expand_expr): Constify a local char *.
5271 * flags.h: Constify main_input_filename.
5272 * function.c (expand_function_end): Constify filename parameter.
5273 * genrecog.c (make_insn_sequence): Use a character array for
5275 (main): Remove unused variables.
5276 * input.h: Constify input_filename, main_input_filename, and
5277 file_stack.name. Update prototypes.
5278 * output.h: Declare first_global_object_name and
5279 weak_global_object_name here, as const char *.
5280 * stmt.c (expand_asm_operands): Constify filename parameter.
5281 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5282 Constify filename parameter.
5283 (input_filename, main_input_filename): Constify.
5284 * toplev.h: Update prototypes.
5285 * tree.c: Include output.h. Don't declare
5286 first_global_object_name or weak_global_object_name. Clean up string
5287 bashing in get_file_function_name_long.
5288 * tree.h (struct tree_decl): Constify filename member.
5289 (input_filename): Constify.
5291 * varasm.c (first_global_object_name, weak_global_object_name):
5293 (assemble_start_function, assemble_variable): Clean up string bashing.
5295 * gcc.c: Constify all spec-related strings initialized,
5296 transitively, from string constants. Constify all strings
5297 and string variables related to multilibs.
5298 (set_spec, read_specs): Cast argument to free to PTR.
5299 (used_arg): Do not modify multilib_matches. Use strncmp plus
5300 length comparison to compare multilib switches.
5301 * genmultilib: Constify everything declared in multilib.h.
5303 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5305 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5308 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5310 * config/avr/avr-protos.h (extra_constraint): change a type of
5311 second argument from char to int to avoid warnings.
5312 (asm_output_byte): Likewise.
5314 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5315 (initial_elimination_offset): Handle elimination from
5316 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5317 (legitimate_address_p): Use MAX_LD_OFFSET.
5318 (legitimize_address): Likewise.
5319 (out_movqi_r_mr): Likewise.
5320 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5321 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5322 (out_movsi_mr_r): Likewise.
5323 (out_movqi_mr_r): Likewise.
5324 (out_movhi_mr_r): Likewise.
5325 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5326 count as CONST_INT != 6.
5327 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5328 shift count is a CONSTANT_P, but not a CONST_INT.
5329 (ashlhi3_out): Coding style modifications.
5330 (ashlsi3_out): Likewise.
5331 (ashrhi3_out): Likewise.
5332 (ashrsi3_out): Likewise.
5333 (lshrhi3_out): Likewise.
5334 (lshrsi3_out): Likewise.
5335 (ashrqi3_out): Generate shift for any known constant count without
5336 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5337 but not a CONST_INT.
5338 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5339 shift count is a CONSTANT_P, but not a CONST_INT.
5340 (extra_constraint): change a type of
5341 second argument from char to int to avoid warnings.
5342 (asm_output_byte): Likewise.
5343 (asm_file_end): Output size generated commands count as a hex
5346 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5348 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5350 (ashlqi3): Values of "length" attribute changed. Shift count
5351 uses constraints 'n' instead of 'i'.
5352 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5353 shifts without clobber register.
5354 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5355 (call_insn): Correct test for which_alternative == 1 (was 0).
5356 (call_value_insn): Likewise.
5358 * config/avr/t-avr: Remove definition of FLOAT while generates
5361 2000-05-09 Bruce Korb <bkorb@gnu.org>
5363 * fixinc/check.tpl: Template for checking fixes
5364 * fixinc/inclhack.def: Added 'test_text' for many fixes
5365 disable hpux8_bogus_inlines on SCO
5366 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5368 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5370 * calls.c (expand_call): Reorganize somewhat in order
5371 to avoid unnecesary recalculation inside loop and make
5372 tail call failure code cleaner.
5374 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5376 * alias.c (nonlocal_reference_p): Minor reformatting.
5377 * reload.c (find_equiv_reg): Simplify logic for
5378 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5379 some some reformatting.
5380 * reload1.c (reload_combine): Don't assume everything in
5381 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5383 2000-05-08 Richard Henderson <rth@cygnus.com>
5385 * final.c (current_insn_predicate): New.
5386 (final_scan_insn): Set it.
5387 * output.h (current_insn_predicate): Declare.
5389 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5390 Attach it to call insns.
5391 (cond_exec_process_if_block): Track probability for true and
5393 (dead_or_predicable): Likewise.
5395 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5396 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5397 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5398 (estimate_probability, expected_value_to_br_prob): Use them.
5400 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5401 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5402 (ia64_expand_prediction): New.
5403 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5404 as needed after calls.
5405 (ia64_epilogue_uses): Mark b0 used.
5406 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5407 (bne_true, bne_false): Remove.
5408 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5409 (br_true, br_false): New. Use predicate_operator and
5410 ia64_expand_prediction.
5411 (return_true, return_false): Likewise.
5412 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5413 (call_internal1, call_value_internal): Likewise.
5414 (call_value_internal1, call_multiple_values_internal1): Likewise.
5416 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5418 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5420 2000-05-08 Richard Henderson <rth@cygnus.com>
5422 * rtlanal.c (may_trap_p): Consider old-style and volatile
5425 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5427 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5429 2000-05-08 Richard Henderson <rth@cygnus.com>
5431 * config/ia64/ia64.h (predicate_operator): Declare.
5433 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5436 * gensupport.c (process_rtx): Copy and post-process each member
5437 of the define_insn rtvec individually.
5439 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5441 * cpplex.c (spell_token): New function.
5442 (TOKEN_LEN): Add 1 for whitespace.
5443 (_cpp_lex_file): Update to use spell_token.
5444 * cpplib.h (E): Remove.
5445 (TTYPE_TABLE): Update CPP_VSPACE entry.
5447 2000-05-08 Richard Henderson <rth@cygnus.com>
5449 * flow.c (init_propagate_block_info): Watch out for conditional
5450 branch to next instruction, and thus one outgoing edge.
5452 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5453 for global register variables; don't special case __[CD]TOR_LIST__;
5454 mind ggc_p for string allocation.
5456 2000-05-08 Nick Clifton <nickc@cygnus.com>
5458 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5460 2000-05-08 Bruce Korb <bkorb@gnu.org>
5462 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5463 i?86-*-msdosdjgpp* no longer uses fixincludes
5464 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5465 * fixinc/inclhack.sh: deleted
5466 * fixinc/hackshell.tpl: deleted
5467 * fixinc/inclhack.tpl: deleted
5468 * fixinc/Makefile.in: Remove dependencies on above
5469 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5471 2000-05-08 Andreas Jaeger <aj@suse.de>
5473 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5476 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5478 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5481 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5483 * cpplex.c: Move new lexer definitions and prototypes
5484 to top. Conditional include these and the code if
5485 NEW_LEXER is defined. Rename functions whose names
5486 clash if this code included.
5488 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5490 * rtl.def (COND_EXEC): Clarify.
5492 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5493 same fashion as zero_extendsidi2.
5495 2000-05-06 Richard Henderson <rth@cygnus.com>
5497 * config/ia64/ia64.c (predicate_operator): New.
5498 (ia64_print_operand): Handle 'J'.
5499 (rtx_needs_barrier): Handle COND_EXEC.
5500 * config/ia64/ia64.h (BRANCH_COST): Define.
5501 (PREDICATE_CODES): Update.
5502 * config/ia64/ia64.md: Docuement used unspec values.
5503 (attr predicable): New.
5504 (movxf, movxf_internal): New.
5505 (extendsfdf2): Don't comment out nop.
5506 (floatdidf2): Remove.
5507 (truncxfsf2, truncxfdf2, floatdixf2): New.
5508 (abssi2, absdi2): Put the neg in the "true" slot.
5509 (conditional branch instructions): Mark not predicable.
5510 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5511 (abs*_internal): Likewise.
5512 (alloc, set_bsp): Mark not predicable.
5513 (barrier, insn_group_barrier, flush_cache): Likewise.
5514 (define_cond_exec): New.
5516 2000-05-06 Richard Henderson <rth@cygnus.com>
5518 * c-decl.c: Include "tm_p.h".
5520 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5521 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5522 (ia64_expand_op_and_fetch): Declare.
5523 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5524 (setjmp_operand): Constify variables for XSTR.
5525 (ia64_encode_section_info): Likewise.
5526 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5528 (ia64_asm_output_external): Constify name.
5529 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5530 (process_for_unwind_directive): Provide switch default.
5531 (ia64_expand_compare_and_swap): Remove unused variables.
5532 (ia64_expand_builtin): Likewise.
5533 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5536 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5537 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5538 (shift_count_operand, shift_32bit_count_operand): Likewise.
5539 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5540 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5541 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5542 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5543 (ia64_expand_builtin): Likewise.
5544 (call_multiple_values_operation): Make dest_regno unsigned.
5546 2000-05-06 Richard Henderson <rth@cygnus.com>
5548 * rtl.def (DEFINE_COND_EXEC): New.
5549 * md.texi: Document it.
5551 * gensupport.c (input_file): Remove.
5552 (struct queue_elem): Add lineno.
5553 (rtx_ready_queue): Remove.
5555 (predicable_default): New.
5556 (predicable_true, predicable_false): New.
5557 (define_attr_queue, define_attr_tail): New.
5558 (define_insn_queue, define_insn_tail): New.
5559 (define_cond_exec_queue, define_cond_exec_tail): New.
5560 (other_queue, other_tail): New.
5561 (queue_pattern): New.
5562 (process_rtx): Add patterns to the appropriate queues.
5563 (is_predicable, identify_predicable_attribute): New.
5564 (n_alternatives, collect_insn_data): New.
5565 (alter_predicate_for_insn, alter_test_for_insn): New.
5566 (shift_output_template, alter_output_for_insn): New.
5567 (process_one_cond_exec, process_define_cond_exec): New.
5568 (init_md_reader): Read the entire file. Process define_cond_exec.
5569 (read_md_rtx): Return elements from the queues.
5571 2000-05-06 Richard Henderson <rth@cygnus.com>
5573 * flow.c (mark_set_1): Don't update conditional life info
5574 if the register is not_dead.
5576 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5578 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5579 (mostlyclean): Also delete fixincl, fixinc.sh, and
5580 specs.ready, and make clean in the fixinc subdir.
5582 2000-05-06 Richard Henderson <rth@cygnus.com>
5584 * Makefile.in (gensupport.o): Compile for the host.
5585 (host-prefix gensuuprt.o): Remove.
5586 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5587 (genattrtab.o): Likewise.
5588 (gencodes.o): Depend on gensupport.h.
5589 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5590 (genpeep.o, genattr.o, genoutput.o): Likewise.
5592 * gensupport.c (obstack, rtl_obstack): New.
5593 (init_md_reader): Initialize rtl_obstack.
5594 * gensupport.h (rtl_obstack): Declare.
5595 (message_with_line): Declare.
5597 * genattr.c: Remove all traces of obstack manipulation.
5598 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5599 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5601 * genattrtab.c (obstack, rtl_obstack): Remove.
5602 (main): Don't init rtl_obstack.
5603 * genflags.c: Likewise.
5605 * genrecog.c (message_with_line): Move ...
5606 * gensupport.c: ... here.
5608 2000-05-06 Richard Henderson <rth@cygnus.com>
5610 * c-typeck.c (build_c_cast): Remove dead code.
5612 2000-05-06 Richard Henderson <rth@cygnus.com>
5614 * flow.c (split_edge): Don't allocate global_live_at_start for
5615 the new block unless the old blocks had them as well.
5617 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5619 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5620 test_bb if a or b uses x.
5622 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5624 * cpphash.h: Remove conditional #define of __extension__.
5625 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5626 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5627 (ENABLE_RTL_CHECKING only).
5628 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5629 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5630 (ENABLE_TREE_CHECKING only).
5631 * varray.h: Add __extension__ to VARRAY_CHECK macro
5632 (ENABLE_CHECKING only).
5634 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5636 Use new tail-calling mechanism on ARM.
5637 * arm.md (sibcall, sibcall_value): New expands.
5638 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5639 (tailcalling peepholes): Delete.
5640 (push_multi): Simplify.
5641 * arm.c (lr_save_eliminated): Delete definition.
5642 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5643 (output_return_instruction): Remove checks on lr_save_eliminated.
5644 (output_arm_prologue): Remove old tail-calling code.
5645 (arm_output_epilogue): New parameter, really_return. All callers
5646 changed. Handle tail-calling epilogues.
5647 * arm.h (lr_save_eliminated): Delete declaration.
5648 (frame_pointer_needed): Delete declaration.
5649 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5651 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5653 * arm.c (thumb_code): Define it.
5654 (arm_override_options): Set it.
5655 * arm.h (thumb_code): Declare it.
5657 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5659 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5661 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5663 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5664 bogus clobber to insns.
5665 (load_multiple_operation, store_mulitple_operation): Don't check
5667 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5669 * arm.md (and_scc, ior_scc): Add missing mode.
5671 * arm.md (call_value_symbol): Remove predicate from op2.
5673 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5675 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5677 * expr.c (get_subtarget): New function.
5678 (force_operand, expand_expr, do_store_flag): Use it.
5680 * toplev.c (compile_file): Don't take strlen of NAME if null.
5682 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5684 * xcoffout.c (xcoff_current_include_file,
5685 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5686 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5688 (xcoffout_declare_function): Make name 'const char *'.
5689 (xcoffout_end_epilogue): Make fname 'const char *'
5690 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5691 xcoffout_declare_function, xcoffout_source_line): Match above.
5693 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5695 * rs6000.c (print_operand): Fix lossage typo.
5696 (output_cbranch): Remove "cr" decoration for now.
5697 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5699 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5701 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5704 2000-05-05 Bruce Korb <bkorb@gnu.org>
5706 * fixinc/genfixes: Improve the matching for make target names
5708 2000-05-05 Catherine Moore <clm@cygnus.com>
5710 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5711 attribute to the decl.
5712 * c-decl.c (pushdecl): Propagate the USED attribute to the
5715 2000-05-05 Richard Henderson <rth@cygnus.com>
5717 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5718 same way emit_group_load does.
5720 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5722 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5724 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5727 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5729 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5731 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5733 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5734 to support -shared, on platforms with dynamic libraries.
5736 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5738 * system.h (S_ISBLK): Provide fallback definition.
5740 2000-05-05 Geoff Berry <geoffb@bops.com>
5742 * extend.texi (Extended Asm): Document inability to give asm
5743 statements access to condition codes.
5745 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5747 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5748 as arg 2 of UNIQUE_SECTION.
5750 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5752 * predict.c: Remove May 4 change.
5753 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5754 if we have predicted the branch at 50-50 probability.
5756 2000-05-05 Richard Henderson <rth@cygnus.com>
5758 * flow.c (init_propagate_block_info): Fix merge error
5759 in HAVE_conditional_execution code.
5761 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5763 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5764 shift cycle for unknown shift count. Also generates dec + brpl.
5765 (ashlqi3_out): Don't generate dec + brpl which now generates by
5766 `out_shift_with_cnt'.
5767 (ashlhi3_out): Likewise.
5768 (ashlsi3_out): Likewise.
5769 (ashrqi3_out): Likewise.
5770 (ashrhi3_out): Likewise.
5771 (ashrsi3_out): Likewise.
5772 (lshrqi3_out): Likewise.
5773 (lshrhi3_out): Likewise.
5774 (lshrsi3_out): Likewise.
5776 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5778 * gcc.c (free_split_directories): Correct typo in explanation
5779 of make_relative_prefix.
5781 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5783 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5784 comparison codes to branch_comparison_operator.
5786 2000-05-04 Richard Henderson <rth@cygnus.com>
5788 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5790 2000-05-04 Richard Henderson <rth@cygnus.com>
5792 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5793 (DPBIT_FUNCS): Remove _sf_to_usi.
5794 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5796 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5797 between condition and jump.
5799 * libgcc2.c (near eh_context_specific): Comment #endif string.
5800 * longlong.h: Don't use strings with embedded newlines.
5802 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5804 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5805 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5806 (print_operand): Delete %t and %T codes.
5807 (output_cbranch): New function. Support branch prediction.
5808 * config/rs6000/rs6000.md: Use output_cbranch for
5809 conditional branches and returns.
5811 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5813 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5814 * stor-layout.c (place_field): Likewise.
5815 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5816 * expr.c (store_expr): Make align unsigned.
5817 * explow.c (plus_constant_wide): Make low words unsigned.
5818 * expmed.c (choose_multiplier): Likewise.
5819 * fold-const.c (fold): Likewise.
5820 * tree.h (build_int_2): Likewise.
5821 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5822 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5823 (init_emit): Change cast to unsigned char*.
5824 * varasm.c (compare_constant_1): Add cast to char*.
5825 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5826 * reload1.c (reload): Likewise.
5828 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5830 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5832 * predict.c (estimate_probability): If no prediction was found, then
5833 predict the successor that is the next physical block (if such a
5836 2000-05-04 Richard Henderson <rth@cygnus.com>
5838 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5840 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5842 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5844 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5846 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5847 attribute macros from here ...
5848 (CPP_SPEC): to here.
5849 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5850 (CPP_SPEC): Likewise.
5851 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5853 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5854 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5856 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5858 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5860 * diagnostic (vbuild_message_string, build_message_string,
5861 build_location_prefix, output_get_prefix, init_output_buffer,
5862 output_notice, vline_wrapper_message_with_location,
5863 v_message_with_decl, default_print_error_function): De-constify.
5864 (set_real_maximum_length): Prototype.
5866 * diagnostic.h (struct output_buffer, init_output_buffer,
5867 output_get_prefix, output_set_prefix): De-constify.
5869 * function.c (init_function_start): Constify.
5871 * gensupport.c (remove_constraints, process_rtx): Prototype.
5873 * gthr-posix.h: Indent uses of #pragma.
5875 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5878 * predict.c (find_expected_value): Delete prototype.
5879 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5881 * sbitmap.h (debug_sbitmap): Prototype.
5883 * ssa.c (compute_coalesced_reg_partition): Prototype.
5885 * stor-layout.c (debug_rli): Prototype.
5887 * tree.h (round_down): Prototype.
5888 (init_function_start): Constify.
5890 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5892 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5893 (overly conservative). Change extern inline wrappers to
5894 static inline, define them always, use PARAMS properly.
5895 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5896 whitespace warnings for \f and \v at the beginning of a line.
5898 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5900 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5903 2000-05-04 Bruce Korb <bkorb@gnu.org>
5905 * fixincl/inclhack.def: added broken_cabs -
5906 Remove `extern double cabs' declarations from math.h
5907 * fixincl/inclhack.sh: regen
5908 * fixincl/fixincl.x: regen
5909 * fixincl/fixincl.c: Remove BOGOSITY code
5910 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
5912 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5914 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
5916 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
5917 when calling MEM_COPY_ATTRIBUTES.
5918 * emit-rtl.c (operand_subword, change_address): Likewise.
5919 * explow.c (stabilize): Likewise.
5920 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
5921 * integrate.c (copy_rtx_and_substitute): Likewise.
5922 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
5923 when calling MEM_COPY_ATTRIBUTES.
5924 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
5926 * cse.c (gen_lowpart_if_possible): Likewise.
5927 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
5928 * optabs.c (gen_move_insn): Likewise.
5929 * recog.c (validate_replace_rtx_1): Likewise.
5930 * simplify-rtx.c (add_mem_for_addr): Likewise.
5931 * stmt.c (expand_anon_union_decl): Likewise.
5932 * config/arm/arm.md: Likewise.
5933 * config/h8300/h7300.c (fix_bit_operand): Likewise.
5934 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
5935 (block_move_no_loop, block_move_sequence): Likewise.
5936 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
5937 * config/alpha/alpha.c (get_aligned_mem): Likewise.
5938 Clear MEM_ALIAS_SET.
5939 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
5940 MEM_COPY_ATTRIBUTES.
5942 2000-05-03 Robert Lipe <robertlipe@usa.net>
5944 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
5945 to suppress libgcc1.
5946 (i[34567]86-*-sco3.2v5*) Likewise.
5947 (i[34567]86-*-sco3.2v4*) Likewise.
5948 (i[34567]86-*-sco) Likewise.
5949 (i[34567]86-*-solaris2) Likewise.
5950 (i[34567]86-*-sysv5*) Likewise.
5951 (i[34567]86-*-sysv4*) Likewise.
5952 (i[34567]86-*-udk*) Likewise.
5953 (i[34567]86-*-sysv*) Likewise.
5955 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
5957 * cpphash.h (U): New define, to correct type of string constants.
5958 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
5959 routines, to do casts when passing unsigned strings to libc.
5960 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
5962 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
5963 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
5964 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
5965 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
5966 second argument an U_CHAR *.
5968 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
5969 length field, clean up initializer.
5970 (ISTABLE): Add __extension__ to designated-
5971 initializers version.
5972 * cpplex.c (CHARTAB): Likewise.
5974 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
5975 case so the file won't be empty.
5977 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
5979 * bb-reorder.c (struct reorder_block_def): Member succ removed.
5980 (REORDER_BLOCK_SUCC): Removed.
5981 (enum reorder_skip_type): Removed.
5982 (skip_insns_between_block): Renamed to skip_insns_after_block.
5983 Removed second argument. Removed dead code and cleaned up.
5984 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
5985 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
5986 second parameter to skip_insns_after_block.
5988 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5990 * tree.c (staticp, case LABEL_DECL): New case.
5992 2000-05-03 Richard Henderson <rth@cygnus.com>
5994 * Makefile.in (start.encap): Do not depend on LIBGCC1.
5996 * mklibgcc1.in: Fix typo last change.
5998 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6000 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6001 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6002 (GCC_CFLAGS): Use it.
6003 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6004 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6005 objc/Make-lang.in: Use it.
6007 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6009 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6011 2000-05-03 Richard Henderson <rth@cygnus.com>
6013 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6014 LIBGCC1 empty with libgcc1.null.
6016 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6018 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6021 2000-05-03 Greg McGary <gkm@gnu.org>
6023 * tree.h (tree_common): Add bounded_flag member. Remove
6024 inaccurate comment about number of remaining bits.
6025 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6026 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6027 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6028 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6029 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6030 (TYPE_QUAL_BOUNDED): New constant.
6031 (TYPE_QUALS): Handle bounded qualifier.
6032 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6033 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6034 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6035 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6036 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6037 (tree_type): Add pointer_depth member. Remove
6038 inaccurate comment about number of remaining bits.
6039 (DECL_POINTER_DEPTH): Add macro.
6040 (tree_decl): Add pointer_depth member.
6042 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6044 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6045 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6046 (lshrhi3_out): Likewise.
6047 (ashrsi3_out): bugfix in shift by 8.
6048 (test_hard_reg_class): New function.
6049 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6050 (ashlhi3): removed define_expand of this pattern.
6051 (*ashlhi3_insn): renamed to ashlhi3.
6052 (ashlsi3): removed define_expand of this pattern.
6053 (*ashlsi3_insn): renamed to ashlsi3.
6054 (ashrqi3): removed define_expand of this pattern.
6055 (*ashrqi3_insn): renamed to ashrqi3.
6056 (ashrhi3): removed define_expand of this pattern.
6057 (*ashrhi3_insn): renamed to ashrhi3.
6058 (ashrsi3): removed define_expand of this pattern.
6059 (*ashrsi3_insn): renamed to ashrsi3.
6060 (lshrhi3): removed define_expand of this pattern.
6061 (*lshrhi3_insn): renamed to lshrhi3.
6062 (lshrsi3): removed define_expand of this pattern.
6063 (*lshrsi3_insn): renamed to lshrsi3.
6065 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6067 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6068 inclusion of "system.h".
6070 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6072 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6075 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6077 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6078 if -mauto-pic is on.
6079 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6080 -mconstant-gp is in effect and function-descriptors are being used
6081 to make indirect calls.
6082 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6083 (MASK_AUTO_PIC): Ditto.
6084 (TARGET_CONST_GP): Ditto.
6085 (TARGET_AUTO_PIC): Ditto.
6086 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6087 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6088 -mno-pic is in effect.
6089 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6090 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6091 -mauto-pic is in effect.
6092 (gprel64_offset): New pattern.
6093 (load_gprel64): Ditto.
6094 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6095 -mconstant-gp is in effect, no need to preserve gp around direct
6097 (call_value): Ditto.
6098 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6099 (FUNCTION_PROFILER): Define.
6100 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6101 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6102 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6104 2000-05-03 Richard Henderson <rth@cygnus.com>
6106 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6107 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6108 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6109 (mklibgcc, libgcc.mk): New targets.
6110 (libgcc.a): Use libgcc.mk.
6111 (stmp-multilib): Likewise.
6112 (stmp-multilib-sub): Remove.
6113 (mostlyclean): Don't delete libgcc2 temp files.
6114 * configure.in (AC_PROG_CC_C_O): Add.
6115 (NO_MINUS_C_MINUS_O): Substitute it.
6116 (all_outputs): Add mklibgcc.
6117 * mklibgcc.in: New file.
6119 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6121 * cppexp.c (op_t): Make an int.
6123 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6125 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6127 * gensupport.c (process_rtx): Fix macros used.
6129 2000-05-03 Richard Henderson <rth@cygnus.com>
6131 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6132 call-clobbered registers of a call.
6134 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6136 * gensupport.c: New file.
6137 * gensupport.h: New file.
6138 * Makefile.in (HOST_RTL): Depend on gensupport.
6139 (gensupport.o) New rule.
6140 * genattr.c: Use gensupport for reading .md files.
6141 * genattrtab.c: Ditto.
6142 * gencodes.c: Ditto.
6143 * genconfig.c: Ditto.
6145 * genextract.c: Ditto.
6146 * genflags.c: Ditto.
6147 * genopinit.c: Ditto.
6148 * genoutput.c: Ditto.
6150 * genrecog.c: Ditto.
6151 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6152 * md.texi (Insn Splitting): Document define_insn_and_split.
6154 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6156 * flow.c (verify_flow_info): Added two more sanity checks. The
6157 first checks that the blocks are numbered consecutively. The second
6158 checks that n_basic_blocks is actually equal to the number of
6159 basic blocks in the insn chain.
6161 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6163 * cpplib.h: Add accessor macros for token lists.
6164 * cpplib.c, cpphash.c, cpplex.c: Use them.
6166 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6168 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6169 memory usage if not in a function.
6170 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6171 return address if static.
6173 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6175 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6176 whether address may trap.
6178 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6180 * bb-reorder (chain_reorder_blocks): Changed code to test for
6181 EDGE_FALLTHRU rather than making erroneous assumption that the
6182 first outgoing edge is the fall-through edge.
6184 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6186 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6187 ABI for varargs, across all MIPS. This is incompatible because the
6188 va_list (__builtin_va_list) structure is different, so a compilation
6189 unit passing a va_list and a compilation unit being passed one, should
6190 both be compiled with the same ABI. (The old structure had two
6191 pointers, now it has three.)
6193 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6195 * bb-reorder.c (struct reorder_block_def): Remove members end,
6196 block_begin, and block_end.
6197 (REORDER_BLOCK_OLD_END): Delete.
6198 (REORDER_BLOCK_BEGIN): Delete.
6199 (REORDER_BLOCK_END): Delete.
6200 (chain_reorder_blocks): Remove dead code.
6202 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6204 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6205 notes as the end of a basic block before deleting.
6207 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6209 * final.c (final_start_function): Fix spelling of "necessary".
6211 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6213 * toplev.c (debug_ignore_block): Return int.
6214 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6215 * toplev.h, dwarf2out.h: Adjust.
6216 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6218 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6219 * toplev.c, final.c, rtl.h: Adjust.
6221 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6223 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6224 * configure.in: Look for makeinfo in the unified tree, then
6225 for a system makeinfo which is sufficiently new.
6226 * Makefile.in: If configure says makeinfo is too old, don't
6227 build or install Info documentation.
6229 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6231 * cpphash.c (collect_params): Fix off-by-one error.
6232 (dump_hash_helper): Dump all four macro nodetypes.
6234 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6236 * cpphash.c (trad_stringify): Adjust p after stringification as
6239 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6241 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6242 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6244 * cppfiles.c (file_cleanup): Delete.
6245 * cpphash.c (macro_cleanup): Delete.
6246 (collect_objlike_expansion, collect_funlike_expansion,
6247 macarg, scan_arguments): Remove CPP_POP case.
6249 * cpplex.c (null_cleanup): Delete.
6250 (cpp_pop_buffer): Do the work that was done in the cleanups
6251 here. Call _cpp_unwind_if_stack from here.
6252 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6253 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6254 stack is the buffer _below_ the one we stacked.
6255 (cpp_get_token): Always pop an exhausted buffer. Return
6256 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6257 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6258 increment the line number.
6259 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6261 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6262 we see CPP_EOF and the top of stack is the buffer _below_ the
6264 * scan-decls.c: Likewise.
6266 2000-05-02 Andrew Haley <aph@cygnus.com>
6268 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6269 where this function is called for the second time on a decl that
6270 has had its section info changed in such a way as to move it out
6272 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6274 2000-05-01 Richard Henderson <rth@cygnus.com>
6276 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6277 the sequence we're moving, not to merge_bb->head.
6279 2000-05-01 Richard Henderson <rth@cygnus.com>
6281 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6282 reference to alpha/t-linux.
6283 (alpha*-*-linux-gnu*): Likewise.
6284 * configure: Rebuild.
6286 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6288 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6291 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6293 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6295 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6298 2000-05-01 Richard Henderson <rth@cygnus.com>
6300 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6301 emit_conditional_move.
6303 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6305 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6306 as the dynamic linker.
6308 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6310 * cppfiles.c (open_include_file): Open file in blocking mode.
6311 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6312 Only exclude block devices and directories.
6314 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6315 static. Allocate the hashnode and its string in the same
6317 (del_HASHNODE): Don't free h->name.
6318 (_cpp_lookup): If there is no entry for this string, create
6319 one, of type T_VOID.
6320 (_cpp_lookup_slot): Delete.
6321 * cpphash.h: Update prototypes.
6323 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6325 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6326 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6327 node here, just fill in the value field properly. "Delete"
6328 entries by setting the value field to T_VOID. Check for
6329 hp->type == T_VOID, not hp == NULL.
6331 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6332 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6335 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6337 * config/mn10300/mn10300.c (print_operand_address): Do not add
6340 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6341 adjusted by less than 256 bytes, use ret regardless of having any
6342 callee-saved register to restore.
6344 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6346 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6348 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6350 * config/i386/djgpp.h (INT_ASM_OP): Define.
6351 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6352 (ASM_WEAKEN_LABEL): Define.
6353 (MASK_BNU210): Define.
6354 (SUBTARGET_SWITCHES): Define.
6355 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6356 (MAKE_DECL_ONE_ONLY): Define.
6357 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6359 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6361 * i386/cygwin.h (INT_ASM_OP): Define.
6363 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6365 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6366 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6368 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6370 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6371 __tmp_reg__ and __zero_reg__ initialization.
6373 2000-04-30 Richard Henderson <rth@cygnus.com>
6375 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6377 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6378 referenced bewteen the condition and the jump. Don't delete
6379 anything but the jump.
6381 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6383 * bb-reorder.c (scope_def): New struct.
6384 (scope_forest_info): New struct.
6385 (struct reorder_block_def): New member "scope".
6386 (REORDER_BLOCK_SCOPE): New macro.
6387 (relate_bbs_with_scopes): New function and prototype.
6388 (make_new_scope): Likewise.
6389 (build_scope_forest): Likewise.
6390 (remove_scope_notes): Likewise.
6391 (insert_intra_1): Likewise.
6392 (insert_intra_bb_scope_notes): Likewise.
6393 (insert_inter_bb_scope_notes): Likewise.
6394 (rebuild_scope_notes): Likewise.
6395 (free_scope_forest_1): Likewise.
6396 (free_scope_forest): Likewise.
6397 (dump_scope_forest): Likewise.
6398 (dump_scope_forest_1): Likewise.
6399 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6400 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6402 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6403 and remove_scope_notes before reordering is done. Added calls to
6404 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6405 after reordering is done.
6407 2000-40-30 Bruce Korb <bkorb@gnu.org>
6409 * fixinc/inclhack.def: Added definitions needed by OSR5,
6410 removed two stale entries (defined away with OLD_CPP).
6411 * fixinc/inclhack.sh: regen
6412 * fixinc/fixincl.x: regen
6414 2000-04-30 Richard Henderson <rth@cygnus.com>
6416 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6417 from the last insn in the sequence.
6419 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6421 * cpplex.c (cpp_idcmp): New function.
6422 * cpplib.h: Prototype it.
6423 * scan_decls.c (scan_decls): Use it to inspect token names.
6424 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6425 the file being run through the preprocessor.
6426 (check_macro_names): Provide length of token to cpp_defined.
6428 * Makefile.in: Remove stale warning message.
6430 * cppfiles.c (redundant_include_p): Provide length of token to
6432 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6433 values are unsigned int.
6434 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6435 (_cpp_lookup_slot): Do not calculate the hash, either.
6436 * cpphash.h: Update prototypes.
6437 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6438 Hashes are unsigned int. Calculate hash here, pass by value
6439 to _cpp_lookup_slot.
6441 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6443 * simplify-rtx.c (check_value_useless): Delete function.
6444 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6446 (cselib_invalidate_regno): Likewise.
6447 (cselib_invalidate_mem_1): Likewise.
6448 (references_value_p): Recognize useless values by the fact that they
6450 (discard_useless_values): Likewise.
6451 (cselib_record_set): This may turn a useless value
6454 2000-04-30 Richard Henderson <rth@cygnus.com>
6456 * config/d30v: New port.
6458 * configure.in (d30v-*): Set fp format.
6459 * configure: Rebuild.
6461 2000-04-30 Richard Henderson <rth@cygnus.com>
6463 * ifcvt.c: New file.
6464 * Makefile.in (OBJS): Add it.
6465 (ifcvt.o): New target.
6466 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6467 and conditional arithmetic.
6468 (find_insert_position): Remove.
6469 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6470 * toplev.c (DFI_ce, DFI_ce2): New.
6471 (dump_file): Add ce and ce2 dumps.
6472 (rest_of_compilation): Run if_convert a couple o times. Set
6473 cse_not_expected after cse2. Don't set no_new_pseudos until
6474 after sched1 or recompute_reg_usage.
6476 2000-04-30 Richard Henderson <rth@cygnus.com>
6478 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6479 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6481 2000-04-30 Richard Henderson <rth@cygnus.com>
6483 * flow.c (struct reg_cond_life_info): New.
6484 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6485 (init_propagate_block_info): Initialize them.
6486 (free_propagate_block_info): Destruct them.
6487 (mark_set_1): Consider conditional life before killing a register.
6488 (mark_regno_cond_dead): New.
6489 (free_reg_cond_life_info): New.
6490 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6491 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6492 (mark_used_reg): Record conditional life.
6494 * haifa-sched.c (schedule_insns): Disable death counting
6495 sanity check for HAVE_conditional_execution.
6497 2000-04-30 Richard Henderson <rth@cygnus.com>
6499 * Makefile.in (TIMEVAR_H): New.
6500 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6501 (timevar.h): Remove rule.
6503 2000-04-29 Richard Henderson <rth@cygnus.com>
6505 * config/alpha/crtend.asm: Use C comments instead of #.
6506 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6508 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6510 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6512 * cpphash.h (enum node_type: Take out T_MCONST.
6513 (union hashval): Move into struct hashnode.
6514 (struct hashnode): Pack tighter. Remove file, line, col
6516 * cpphash.c: Constify most of the macro-definition structures.
6517 (struct definition): Replace by struct object_defn
6518 and struct funct_defn. Put file, line, column information
6519 here. All users updated to match.
6520 (_cpp_create_definition, _cpp_macroexpand): Remove special
6521 case for #define WORD OTHERWORD.
6522 * cpplib.c (do_undef): Remove T_MCONST case.
6524 * cpphash.h: Move struct reflist, struct definition, and the
6525 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6526 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6527 * cpphash.c (_cpp_free_definition): Free data pointed to by
6528 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6529 (_cpp_create_definition, del_HASHNODE): Just call
6530 _cpp_free_definition to clear out a hashnode.
6531 * cpplib.c (do_pragma_poison): Likewise.
6533 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6535 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6536 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6537 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6538 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6539 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6540 REGNO_AM33_P): Redefine in terms of the new macros.
6541 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6542 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6543 STRUCT_VALUE): Likewise.
6544 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6545 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6547 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6549 * regmove.c (struct record_stack_memrefs_data): New.
6550 (record_stack_memrefs): New function.
6551 (combine_stack_adjustments_for_block): Use it.
6553 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6555 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6556 use special_function_p to detect alloca.
6558 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6560 * gcc.texi: Fixes for makeinfo 4.0 --html.
6562 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6564 * pcp.h: Delete file.
6566 2000-04-28 Kazu Hirata <kazu@hxi.com>
6568 * h8300.c (function_epilogue): Clean up flags when the last insn
6569 in a function is a barrier.
6571 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6573 * configure.in (sparc-hal-solaris2*): protect [] glob from
6575 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6576 rather than hard-coded constants in target_cpu_default2.
6577 * configure: Regenerate.
6579 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6581 * tree.c (get_callee_fndecl): Extract the initial value from
6584 2000-04-28 Richard Henderson <rth@cygnus.com>
6586 * varasm.c (record_constant_1): Record the CODE_LABEL when
6587 taking the address of a LABEL_REF.
6589 2000-04-28 Richard Henderson <rth@cygnus.com>
6590 Jan Hubicka <jh@suse.cz>
6592 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6593 adjustment; don't do the stack adjust.
6594 (expand_call): Call compute_argument_block_size right before
6595 allocating the block; update comment; don't do alignment sanity
6596 checking for sibling call; use args_size instead of
6597 unadjusted_args_size before args_size is adjusted. Use
6598 combine_pending_stack_adjustment_and_call to compute stack adjust
6599 for must_preallocate case.
6601 * expr.c (push_block): Remove shadow `temp' in inner scope.
6603 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6605 * toplev.c (rest_of_compilation): Call
6606 note_deferral_of_defined_inline_function even if the function
6609 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6611 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6613 2000-04-28 Richard Henderson <rth@cygnus.com>
6615 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6617 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6619 * timevar.c (init_timevar): DeANSIfy function definition.
6621 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6623 * Makefile.in (timevar.o): Depend on flags.h.
6624 * timevar.c (unused_stack_instances): New variable.
6625 (timevar_push): Take a timevar_stack_def from
6626 unused_stack_instances if available.
6627 (timevar_pop): Push the popped timevar_stack_def onto
6628 unused_stack_instances.
6629 (TIMEVAR_ENABLE): New macro.
6630 (timevar_def): Make standalone a 1-bit field. Add field used.
6631 (get_time): Rename parameter to now. Return after clearing it if
6633 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6634 (timevar_pop): Likewise.
6635 (timevar_stop): Likewise.
6636 (timevar_push): Likewise. Mark the timing variable as used.
6637 (timevar_start): Likewise.
6638 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6639 timevars that were never used.
6641 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6643 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6644 always TREE_READONLY.
6646 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6648 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6649 for call instruction with mode QImode.
6651 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6653 * Makefile.in (OBJS): Add timevar.o.
6654 (toplev.o): Depend on timevar.h.
6655 (ggc-simple.o): Likewise.
6656 (ggc-page.o): Likewise.
6657 (timevar.o): New rule.
6658 (timevar.h): New rule.
6660 * timevar.h: New file.
6661 * timevar.c: Likewise.
6662 * timevar.def: Likewise.
6664 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6665 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6667 (TIMEVAR): Remove macro.
6668 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6669 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6670 flow_time, combine_time, regmove_time, sched_time,
6671 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6672 sched2_time, dbr_sched_time, reorder_blocks_time,
6673 rename_registers_time, shorten_branch_time, stack_reg_time,
6674 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6676 (compile_file): Don't initialize time variables. Call
6677 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6678 of many calls to print_time.
6679 (rest_of_compilation): Add timing for reload_cse_regs.
6680 (get_run_time): Removed to timevar.c.
6681 (print_time): Likewise.
6682 (get_run_time): Implement using TV_TOTAL time variable.
6683 (print_time): Get total run time from get_run_time.
6684 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6685 computing elapsed time explicitly.
6686 * ggc-simple.c (ggc_collect): Likewise.
6687 (gc_time): Remove declaration.
6689 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6691 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6692 (expand_call): Use it.
6694 2000-04-27 Jan Hubicka <jh@suse.cz>
6696 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6699 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6701 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6704 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6706 * function.c (epilogue_done): Pass whole insn to record_insns.
6708 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6710 * cse.c (CSE_ADDRESS_COST): Remove.
6711 (find_best_addr): Add new parameter "MODE", use address_cost instead
6713 (address_cost): New.
6714 (fold_rtx): Update call of find_best_addr.
6715 * rtl.h (address_cost): Declare.
6716 * loop.c (general_induction_var): Add new parameter "MODE", use
6717 address_cost instead of ADDRESS_COST
6718 (init_loop): Use address_cost instead of ADDRESS_COST.
6719 (check_insn_for_givs): Update call of general_induction_var.
6720 (find_mem_givs): Likewise.
6721 (consec_sets_giv): Likewise.
6722 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6723 * i386.c (ix86_address_cost): New.
6724 * i386-protos.h (ix86_address_cost): Declare.
6726 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6728 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6731 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6733 * expr.c (store_expr): Use clear_storage instead of direct memset
6736 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6738 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6739 ASHIFT, AND and LABEL_REF.
6741 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6743 * invoke.texi (-foptimize-sibling-calls): Fix.
6745 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6747 * loop.c (load_mems) Don't use hard registers for the hoisting.
6749 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6750 calculation; rename const_equiv array in the preconditioning code
6751 from loop_unroll to loop_unroll_precondition
6753 2000-04-27 Richard Henderson <rth@cygnus.com>
6755 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6757 (propagate_one_insn): Clear it. Don't update reg_live here.
6758 (init_propagate_block_info): Update for pbi member changes.
6759 (free_propagate_block_info): Likewise.
6760 (mark_set_1): Know that zero_extract, sign_extract, and
6761 strict_low_part don't kill their argument. Alter hard subregs.
6762 Update new_set for non-CLOBBER sets. Update reg_live.
6763 (find_auto_inc): Update reg_live, not new_dead.
6764 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6765 to determine if the reg in question was set this insn. Only update
6766 reg info with PROP_REG_INFO.
6768 2000-04-26 Richard Henderson <rth@cygnus.com>
6770 * flow.c (allocate_reg_life_data): Set max_regno here ...
6771 (life_analysis): ... not here.
6773 * flow.c (calculate_global_regs_live): Force stack pointer
6776 2000-04-26 Richard Henderson <rth@cygnus.com>
6778 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6779 commit change group changes.
6780 (invert_exp_1): Similarly.
6781 (redirect_exp, invert_exp): Use them.
6782 (redirect_jump_1): New.
6783 (invert_jump_1): New.
6784 (jump_optimize_1): Remove code subsumed by condexec.c.
6785 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6787 2000-04-26 Richard Henderson <rth@cygnus.com>
6789 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6791 * genconfig.c (main): Set all HAVE_foo to 1.
6793 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6795 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6797 * invoke.texi: Document -fssa flag.
6799 2000-04-26 Richard Henderson <rth@cygnus.com>
6801 * flow.c (count_reg_sets_1): Remove.
6802 (count_reg_sets, count_reg_references): Remove.
6803 (recompute_reg_usage): Implement with update_life_info.
6804 Reallocate life data.
6806 2000-04-26 Richard Henderson <rth@cygnus.com>
6808 * flow.c (update_life_info): Consider blocks null to mean the
6810 (calculate_global_regs_live): Likewise.
6811 (life_analysis): Do that instead of collecting all_blocks.
6813 2000-04-26 Richard Henderson <rth@cygnus.com>
6815 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6816 a still-valid conditional jump.
6818 2000-04-26 Richard Henderson <rth@cygnus.com>
6820 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6822 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6823 * flow.c (calculate_loop_depth): Remove.
6824 * output.h (calculate_loop_depth): Don't declare.
6825 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6826 inline; run estimate_probability at the same time.
6828 2000-04-26 Neil Booth <NeilB@earthling.net>
6830 * cpplib.h: "~=" is not a single pp-token.
6831 * cpplex.c: Correct commentary.
6833 2000-04-26 Richard Henderson <rth@cygnus.com>
6835 * flow.c (mark_set_1): New arguments code and flags; update all
6836 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6837 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6838 loop_depth when optimizing for size. Do new_dead update after
6839 emitting REG_UNUSED notes. Merge mark_set_reg code.
6840 (mark_set_reg): Remove.
6841 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6842 arrange to not emit REG_UNUSED notes.
6844 2000-04-26 Richard Henderson <rth@cygnus.com>
6846 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6847 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6849 2000-04-26 Richard Henderson <rth@cygnus.com>
6851 * flow.c (propagate_one_insn): Break out from propagate_block.
6852 (init_propagate_block_info): Likewise.
6853 (free_propagate_block_info): Likewise.
6854 (propagate_block): Use them. Export.
6855 * basic-block.h: Declare them all.
6857 2000-04-26 Richard Henderson <rth@cygnus.com>
6859 * basic-block.h (life_analysis): Declare here ...
6860 * output.h: ... not here.
6861 * flow.c (life_analysis): Remove nregs parameter; replace
6862 remove_dead_code with flags. Remove ssa dead code check.
6863 Only init alias analysis if we'll use it.
6864 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6865 * ssa.c (convert_to_ssa): Likewise.
6866 (convert_from_ssa): Likewise.
6867 * toplev.c (rest_of_compilation): Likewise.
6869 2000-04-26 Richard Henderson <rth@cygnus.com>
6871 * flow.c (flow_delete_block): Rename from delete_block. Export.
6872 * basic-block.h (flow_delete_block): Declare.
6874 2000-04-26 David S. Miller <davem@redhat.com>
6876 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6877 taking a PATTERN of it.
6879 2000-04-26 <NeilB@earthling.net>
6881 * cpplex.c (spell_other, spell_char): Remove.
6883 (token_spelling, trigraph_map): Use unsigned chars.
6884 (_cpp_lex_line): Tidy up the switch statement.
6885 * cpplib.h: Implement spell_char with spell_string.
6888 2000-04-26 <RodneyBrown@pmsc.com>
6890 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6891 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6893 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6895 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6896 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6897 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6898 dwarf2out_return_save, dwarf2out_return_reg,
6899 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6900 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6901 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6903 * dwarf2out.h (dwarf2out_init): Likewise.
6905 * dwarfout.c (filename_entry, primary_filename, last_filename,
6906 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
6908 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
6909 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
6910 dwarf2out_return_reg): Likewise.
6912 2000-04-26 Andreas Jaeger <aj@suse.de>
6914 * extend.texi (Function Attributes): Fix description of pure
6917 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6919 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
6920 before calling rest_of_compilation.
6922 2000-04-26 Andreas Jaeger <aj@suse.de>
6924 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
6927 2000-04-25 Richard Henderson <rth@cygnus.com>
6929 * cse.c (cse_insn): Emit barrier after unconditional jump.
6931 * calls.c (expand_call): Disable tail call generation once
6932 rtx_equal_function_value_matters is false.
6934 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
6937 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
6939 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
6941 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
6943 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
6944 is the primary DIE for a member function.
6945 (gen_decl_die): Call set_decl_origin_self here.
6946 * dwarfout.c (output_decl): And here.
6947 * integrate.c (output_inline_function): Not here.
6948 Don't clear DECL_INLINE until after calling rest_of_compilation.
6949 (set_decl_origin_self): No longer static.
6950 * tree.h: Add prototype.
6951 * toplev.c (note_deferral_of_defined_inline_function): Only write
6952 out abstract instance for actual inlines.
6954 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
6956 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
6957 EXTENDED_REGS only if TARGET_AM33.
6958 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
6959 SP_REGS to register allocation and reloading unless absolutely
6961 (movsi3): Remove special-case of adding non-constants to SP.
6963 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6965 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
6966 INCLUDES to search and does not provide any of its own. Also it
6967 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
6968 parameters. Also it does not call AC_DEFINE.
6969 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
6970 AC_DEFINE and provides for automatic entries for autoheader.
6971 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
6973 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
6974 so we can pass -I flags and include gansidecl.h/system.h in this
6977 * acconfig.h: Delete all NEED_DECLARATION_* entries.
6979 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6981 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6982 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6983 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
6985 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
6986 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
6987 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
6988 for these macros. Clean up spacing and linewraps.
6990 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
6992 * calls.c (expand_call): Use get_callee_fndecl.
6994 * print-tree.c (print_node): Print the chain of an _EXPR.
6996 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
6997 Jim Wilson <wilson@cygnus.com>
6998 Andrew Haley <aph@cygnus.com>
7000 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7001 and gp save/restore problems.
7002 * config/ia64/crtend.asm: Add IA-64 unwind support.
7003 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7004 in fr_pad_size calculation.
7005 (save_restore_insns): Move PR save area. Correct uses of
7006 RTX_FRAME_RELATED_P.
7007 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7008 (ia64_expand_epilogue): Add eh_epilogue support.
7009 (ia64_function_prologue): Emit .prologue directive.
7010 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7011 (ia64_override_options): Set init_machine_status and
7012 mark_machine_status.
7013 (rtx_needs_barrier): Handle bsp reads and writes.
7014 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7015 New static variables.
7016 (process_set, process_for_unwind_directive): New functions.
7017 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7018 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7019 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7021 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7022 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7023 (struct machine_function): Define.
7024 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7026 2000-04-25 Bruce Korb <bkorb@gnu.org>
7028 * fixinc/Makefile.in: make the removal of old programs more
7030 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7031 install-bin and install-sh
7033 2000-04-25 Nick Clifton <nickc@cygnus.com>
7035 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7036 defined, define to return zero.
7037 (function_cannot_inline_p): If a function has any target
7038 specific attributes, then use the macro
7039 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7040 whether it can be inlined. If it cannot, issue a suitable
7043 * tm.texi: Add a new node 'Inlining' to document the new macro
7044 FUNCTION_ATTRIBUTE_INLINABLE_P.
7046 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7048 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7051 2000-04-25 Neil Booth <NeilB@earthling.net>
7053 Restore previous patch, plus the following fixes:
7055 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7056 flags, not CPP_OPEN_PAREN.
7057 * cpplex.c (expand_token_space, init_token_list,
7058 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7059 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7061 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7063 * config/i386/freebsd.h (INT_ASM_OP): Define.
7065 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7067 * loop.c (strength_reduce): Fix typo in the last checkin.
7069 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7071 * stor-layout.c (finalize_record_size): Simplify to use existing
7073 (compute_record_mode): No longer static.
7074 * tree.h (compute_record_mode): New declaration.
7076 2000-04-25 Neil Booth <NeilB@earthling.net>
7078 * Revert my patch below until cause of build failures
7081 2000-04-25 Richard Henderson <rth@cygnus.com>
7083 * combine.c (combine_instructions): Add missing argument
7086 * toplev.c (rest_of_compilation): Delay sibcall optimization
7087 until after emit_eh_context.
7089 2000-04-24 Nick Clifton <nickc@redhat.com>
7091 * combine.c (combine_instructions): Do not try to combine a
7092 sequence of insns when the second insn has been replaced by a
7095 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7097 * gcc.c (load_specs): New static function.
7098 (read_specs): Use it.
7100 * gcc.c (lookup_compiler): Make multiple passes for case
7101 insensitive filesystems.
7103 2000-04-24 Neil Booth <NeilB@earthling.net>
7105 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7106 * cpphash.h (_cpp_check_directive): new.
7107 * cpplex.c (handle_newline, cpp_free_token_list,
7108 init_trigraph_map, trigraph_ok, trigraph_replace,
7109 backslash_start, skip_block_comment, skip_line_comment,
7110 skip_whitespace, parse_name, parse_number, parse_string,
7111 copy_comment, _cpp_lex_line, spell_char, spell_string,
7112 spell_comment, spell_name, spell_other, _cpp_lex_file,
7113 _cpp_output_list): new.
7114 (expand_name_space): take length argument.
7115 (init_token_list): add comment list initialisation.
7116 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7117 instead of HSPACE_BEFORE.
7119 * cpplib.c (_cpp_check_directive): new
7120 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7121 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7122 (HSPACE_BEFORE): delete.
7123 (TTYPE_TABLE): rearrange.
7124 (struct cpp_toklist): update.
7126 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7128 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7129 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7130 argument form of AC_DEFINE.
7132 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7133 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7134 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7135 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7136 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7138 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7140 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7142 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7143 deduced.h): Use -isystem, not -I, for including system headers.
7145 2000-04-24 Nick Clifton <nickc@cygnus.com>
7147 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7148 the source register is the frame pointer or arg pointer.
7149 (addsi3_small_int): Disallow if source register is the frame
7150 pointer or arg pointer.
7152 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7154 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7155 call to AC_MSG_RESULT.
7157 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7159 * invoke.texi: Correct grammatical errors, document
7160 -fno-gnu-keywords as identical to -fno-asm for C++.
7162 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7164 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7165 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7166 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7167 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7168 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7170 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7171 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7172 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7173 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7176 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7178 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7179 (pop_alignment): Likewise.
7180 (handle_pragma_token): Likewise.
7182 2000-04-24 Robert Lipe <robertlipe@usa.net>
7184 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7186 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7188 * combine.c (try_combine): Update reg_nonzero_bits of
7189 newi2pat before newpat.
7191 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7193 * loop.c (strength_reduce): Simplify test to INSN_P.
7194 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7195 expressions instead of CONST_INT.
7196 (express_from_1): Likewise.
7198 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7200 * regs.h (reg_n_max): Don't declare.
7201 * flow.c (reg_n_max): Don't define.
7202 * regclass.c (renumber): Don't initialize to zero.
7203 (regno_allocated): Likewise.
7204 (reg_n_max): Define.
7205 (allocate_reg_info): Don't initialize unnecessarily.
7207 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7209 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7210 and blockage_p in the newly allocated attribute.
7212 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7214 * config/mn10300/mn10300.md (addsi): `inc4' on address
7215 registers does not modify cc, but `inc' on an extended
7218 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7220 * reload.c (find_equiv_reg): Checks all valueno regs
7221 as a reload_reg_p regs.
7223 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7225 * cpphash.c (collect_objlike_expansion): Add sanity check.
7226 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7227 the buffer is the empty string, return. Mark __DATE__ and
7228 __TIME__ as XCONST nodes, not MCONST.
7229 (_cpp_macroexpand): Avoid pushing an empty buffer.
7230 (funlike_macroexpand): Don't pop token_buffer here.
7232 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7234 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7235 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7236 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7237 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7238 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7239 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7240 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7242 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7244 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7247 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7249 * cpphash.h (struct definition): Move file, line, col members...
7250 (struct hashnode): ... here. Also add 'disabled' flag.
7251 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7252 T_IDENTITY. Remove T_DISABLED.
7255 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7256 (collect_expansion): Split into collect_objlike_expansion and
7257 collect_funlike_expansion.
7258 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7259 funlike_macroexpand.
7260 (_cpp_compare_defs): Rename compare_defs, make static.
7261 (_cpp_make_hashnode): Initialize hp->disabled.
7262 (macro_cleanup): Adjust for new token types. Clear
7264 (_cpp_create_definition): Move code here to determine what
7265 sort of macro it is, and code to check for redefinitions, from
7266 do_define. Implement a few simple cases without creating a
7268 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7269 Handle the simple cases.
7270 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7273 * cppinit.c (builtin_array): Change MCONST to XCONST
7275 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7276 fix check for disabled and function-like macros.
7277 * cpplib.c (do_define): Move most logic to
7278 _cpp_create_definition.
7279 (do_undef): Handle new special token types.
7281 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7283 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7284 of CONSTANT_P for mult_val; always use validate_change to update insn.
7286 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7288 * cpphash.c (trad_stringify, add_pat): New functions.
7289 (collect_expansion): Restore support for -traditional syntax.
7290 Use trad_stringify and add_pat.
7291 (_cpp_macroexpand): Restore support for -traditional semantics.
7292 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7293 get a COMMENT token.
7294 (_cpp_lex_token): Provide COMMENT tokens to caller if
7295 traditional and parsing_define_directive.
7296 (skip_comment): Warn about // comments if -Wtraditional.
7297 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7299 (do_undef): Don't warn about undefining EMPTY nodes.
7301 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7303 * loop.c (strength_reduce): Fix biv removal code.
7305 2000-04-22 Richard Henderson <rth@cygnus.com>
7307 * predict.c (estimate_probability): Examine both sides of
7308 a branch for no exits. Use 90% not 50% for predict taken.
7309 Reorg for one copy of note generation code.
7311 2000-04-22 Richard Henderson <rth@cygnus.com>
7313 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7315 2000-04-22 Richard Henderson <rth@cygnus.com>
7317 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7318 (output_clear): Likewise.
7319 (output_printf): Use va_copy.
7320 (vline_wrapper_message_with_location): Likewise.
7321 (v_message_with_decl): Likewise.
7322 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7323 * system.h (va_copy): Provide default implementation.
7325 2000-04-22 Richard Henderson <rth@cygnus.com>
7327 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7328 the collected condition is not a constant.
7330 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7332 * diagnostic.h: New file.
7334 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7336 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7337 various function prototypes.
7338 (diagnostic.h): #include.
7339 (struct output_buffer): Move into diagnostic.h.
7340 (get_output_prefix): Rename to output_get_prefix. Export.
7341 (init_output_buffer): Export. Break out. Ajust intialization.
7342 (output_space_left, output_append): Export.
7343 (output_newline): Rename to output_add_newline. Export.
7344 (output_clear): Nullify additional output_buffer fields.
7345 (output_puts): Rename to output_add_string. Export.
7346 (dump_output): Rename to output_flush_on. Export.
7347 (build_location_prefix): Constify return-type.
7348 (emit_output_prefix): Rename to output_emit_prefix. Export.
7349 (set_real_maximum_length): New function.
7350 (output_set_maximum_length): Ditto
7351 (output_clear): Ditto.
7352 (output_add_character): Ditto.
7353 (output_add_integer): Ditto.
7354 (output_add_space): Ditto.
7355 (output_format): Ditto.
7356 (output_printf): Adjust buffer initialization.
7357 (vline_wrapper_message_with_location): Ditto.
7358 (v_message_with_decl): Ditto. Adjust call to output_puts
7359 and get_output_prefix.
7360 (default_print_error_function): Adjust buffer intialization.
7362 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7364 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7367 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7369 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7372 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7374 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7375 accurate data about SP moves.
7377 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7379 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7380 aliases to AM33 registers.
7382 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7384 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7385 to all EXTENDED bitmaps.
7387 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7389 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7390 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7391 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7393 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7395 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7396 the operand is not constant.
7398 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7400 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7401 as a call-clobbered regs.
7403 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7405 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7407 * rtl.def: Update comment.
7408 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7409 * integrate.c (expand_inline_function): Likewise.
7410 * profile.c (branch_prob): Likewise.
7411 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7412 * print-rtl.c (print_rtx): Likewise.
7413 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7414 (reemit_notes): Likewise; also use enum insn_note.
7416 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7417 (place_field): Properly compute know and actual alignment.
7419 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7422 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7425 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7427 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7428 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7429 (collect_expansion): Rewrite to scan over a token list.
7430 Remove -traditional support.
7431 (collect_formal_parameters): Rename to collect_params; rewrite
7432 to scan over a token list.
7433 (_cpp_create_definition): Adjust to scan a token list.
7434 (_cpp_macroexpand): Remove -traditional support.
7435 (_cpp_compare_defs): Whitespace is now canonicalized.
7436 (comp_def_part): Delete function.
7438 * cpphash.h: Update prototypes.
7439 * cpplex.c (init_token_list): Don't set lineno if there is no
7441 (pedantic_whitespace): New function.
7442 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7443 consume a newline. Use pedantic_whitespace.
7444 (_cpp_lex_token): Remove support for -traditional macros.
7445 (_cpp_get_define_token): Delete.
7446 (_cpp_get_directive_token): Do the real work here. Use
7447 pedantic_whitespace.
7448 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7450 * cpplib.c (get_macro_name): Delete.
7451 (do_define): Read the entire line into pfile->directbuf, then
7452 feed the token list to _cpp_create_definition.
7453 * cpplib.h (HSPACE_BEFORE): new define.
7454 (struct cpp_reader): Add a toklist member, "directbuf".
7456 * predict.c (estimate_probability): New heuristic: if a jump
7457 branches around a block with no successors, predict it taken.
7458 Disentangle control flow.
7460 2000-04-20 Richard Henderson <rth@cygnus.com>
7462 * loop.c (emit_iv_add_mult): Revert last change.
7464 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7466 * cpplib.h (enum cpp_ttype): Add token types for all
7467 punctuators. Distinguish pp-numbers from valid C numbers.
7468 Give some tokens better names. Initialize from macro.
7469 (struct cpp_name, cpp_token, cpp_toklist): New data
7472 * cpplex.c (bump_column, expand_name_space,
7473 expand_token_space, init_token_list, cpp_output_list,
7474 _cpp_scan_line): New functions.
7475 (output_line_command): Add third argument, new line number.
7476 * cpphash.h: Update prototypes.
7477 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7480 2000-04-20 Richard Henderson <rth@cygnus.com>
7482 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7484 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7486 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7489 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7491 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7492 REG_EQUAL note explaining the calculated value.
7494 * calls.c (expand_call): Avoid unnecesary precalculation
7495 and outgoing parameters space guarding for sibling calls.
7496 (store_one_arg): Likewise.
7498 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7500 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7501 (rest_of_compilation): Write sibling dump file and account
7502 for time as jump time.
7503 * invoke.texi: Update documentation on dump flags.
7505 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7507 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7509 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7511 * cpphash.c (special_symbol): Represent an empty macro with
7512 "\r \r " not just "\r ".
7513 (_cpp_macroexpand): Correct condition for the foo ( ) special
7515 (unsafe_chars): Handle EOF as second argument.
7516 (push_macro_expansion): Simplify test for removing escape at
7517 end. Do not trim both escapes if there is no text in between.
7519 2000-04-19 Jim Blandy <jimb@redhat.com>
7521 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7522 of PTR_SIZE, when appropriate.
7524 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7526 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7527 (USE_ENUM_BITFIELDS): Fix typo.
7529 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7531 * stor-layout.c (place_field): Set rli->offset_align properly.
7533 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7535 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7536 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7537 PARM_BOUNDARY): Remove unnecessary casts.
7539 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7541 * calls.c (precompute_arguments): Remove must_preallocate and
7543 (expand_call): Update call of precompute_arguments.
7545 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7546 check_insn_for_givs): Break out from ...
7547 (strength_reduce) ... here; use for_every_insn_in_loop to call
7548 check_insn_for_givs.
7549 * loop.h (for_every_insn_in_loop): Declare.
7550 (loop_insn_callback): New type.
7552 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7554 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7557 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7559 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7562 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7564 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7566 * configure.in: Delete --disable-cpplib option and all
7567 references to cpp_main.
7568 * configure: Regenerate.
7569 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7570 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7571 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7572 cpp$(exeext). Add --no-headers to makeinfo command line when
7573 generating INSTALL. Install and uninstall cpp.1 manpage, not
7575 * install.texi: Delete all references to cexp.y/cexp.c.
7576 Delete ancient instructions for compiling GCC on 3b1.
7577 * INSTALL: Regenerate.
7579 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7580 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7581 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7583 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7584 which is no longer tested anywhere.
7586 * cppinit.c (handle_option): Don't run error message through
7589 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7591 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7592 * cpperror.c (hashtab.h): Now include.
7593 * cppexp.c (hashtab.h): Likewise.
7594 * cpplex.c (hashtab.h): Likewise.
7595 * cppfiles.c (hashtab.h): Likewise.
7596 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7597 to htab_find_slot_with_hash.
7598 * cpphash.c (hashtab.h): Now include.
7599 (_cpp_lookup_slot): INSERT is now enum insert_option.
7600 * cpphash.h (_cpp_lookup_slot): Likewise.
7601 * cppinit.c (hashtab.h): Include earlier.
7602 (initialize_builtins): Pass enum to htab_find_slot.
7603 * cpplib.c (hashtab.h): Now include.
7604 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7605 (do_pragma_poison, do_assert): Likewise.
7606 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7607 htab_find_slot_with_hash.
7608 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7609 * tree.c (type_hash_add): Likewise.
7610 (build1): Minor cleanup.
7612 * ggc-common.c: Add missing blanks.
7613 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7614 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7616 * stmt.c (mark_case_node): New function.
7617 (mark_case_nesting): Call it.
7619 * expmed.c (emit_store_flag): If comparing two-word integer
7620 with zero, can optimize NE, EQ, GE, and LT.
7622 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7623 * conflict.c: Minor cleanups.
7624 * optabs.c: Add blank line
7625 * simplify-rtx.c: Minor cleanups.
7627 2000-04-18 Stan Cox <scox@cygnus.com>
7629 * gengenrtl.c (genlegend): Fix misspelling.
7631 2000-04-18 Robert Lipe <robertlipe@usa.net>
7633 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7634 bitfields of the host compiler are not signed quantities.
7635 * config.in: Regenerate.
7636 * configure: Regenerate.
7637 * system.h (USE_ENUM_BITFIELDS): Added.
7638 (ENUM_BITFIELDS): Added.
7639 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7640 (SHORT_ENUM_BUG): Deleted.
7641 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7643 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7644 (CODE_FIELD_BUG): Likewise.
7645 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7647 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7649 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7651 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7654 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7656 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7657 * cpplib.c (do_include, do_import, do_include_next,
7658 read_line_number, detect_if_not_defined): Likewise.
7659 * cpphash.c (collect_expansion): Likewise.
7660 (special_symbol, _cpp_macroexpand): Check return from
7662 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7663 macros. Delete all uses.
7665 * gcc.dg/cpp-mi.c: Add two more test cases.
7666 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7668 2000-04-17 Richard Henderson <rth@cygnus.com>
7670 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7671 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7673 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7675 * function.c (expand_function_start): Use hard_function_value to
7676 compute the RTL to use for DECL_RESULT.
7678 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7680 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7681 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7682 x86_memory_mismatch_stall): New global variables.
7683 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7684 alloved; fix load penalties for Athlon.
7685 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7686 x86_memory_mismatch_stall): Declare.
7687 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7688 TARGET_MEMORY_MISMATCH_STALL): New.
7689 * i386.md (athlon scheduling parameters): Fix latencies according to
7690 Athlon Optimization Manual.
7691 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7693 (fsqrt instruction patterns): Set athlon_decode to direct.
7694 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7695 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7696 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7697 and TARGET_PARTIAL_REGISTER_STALL machines.
7698 (pushdf_nointeger): New pattern.
7699 (pushdf_integer): Rename from pushdf.
7700 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7701 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7703 2000-04-17 Richard Henderson <rth@cygnus.com>
7705 * loop.c (canonicalize_condition): Add WANT_REG argument.
7706 Stop the search if we match it.
7707 * expr.h (canonicalize_condition): Update decl.
7708 * predict.c (expected_value_to_br_prob): Use it. Track last
7709 expected value note.
7710 (find_expected_value): Remove.
7712 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7714 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7716 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7717 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7719 * configure.in: Call AC_FUNC_MMAP_FILE.
7720 * configure: Regenerate.
7721 * config.in: Regenerate.
7723 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7724 * fixinc/fixincl.c: Likewise.
7726 2000-04-17 Richard Henderson <rth@cygnus.com>
7728 * builtins.c (expand_builtin_expect): New.
7729 (expand_builtin): Call it.
7730 * builtins.def (BUILT_IN_EXPECT): New.
7731 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7732 * extend.texi: Document it.
7734 * predict.c (expected_value_to_br_prob): New.
7735 (find_expected_value): New.
7736 * basic-block.h (expected_value_to_br_prob): Declare.
7737 * toplev.c (rest_of_compilation): Invoke it.
7739 * rtl.h (NOTE_EXPECTED_VALUE): New.
7740 (NOTE_INSN_EXPECTED_VALUE): New.
7741 * rtl.c (note_insn_name): Update.
7742 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7743 cases; handle NOTE_INSN_EXPECTED_VALUE.
7745 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7747 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7748 leaf sibcall delay slot if flag_pic.
7749 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7751 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7753 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7755 * fixproto: If fix-header fails, exit with an error.
7757 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7759 * cse.c (struct check_depdendence_data): New.
7760 (check_dependence): New function.
7761 (invalidate): Use check_depdenence.
7763 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7765 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7766 UNITS_PER_WORD is unsigned.
7768 * tree.h (struct tree_common): Remove misleading comment.
7770 2000-04-16 Dave Pitts <dpitts@cozx.com>
7772 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7773 message in quotes. Otherwise, IBM's make program treats the '#' as the
7774 start of a comment and ignores the remainder of the line.
7776 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7778 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7779 * cexp.y (initialize_random_junk): Likewise.
7780 * cppfiles.c (find_include_file): Cast alloca return value.
7781 * cppinit.c (initialize_standard_includes): Likewise.
7782 * cpplib.c (cpp_define, cpp_undef): Likewise.
7783 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7784 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7785 * fold-const.c (CHARMASK): New.
7786 (real_hex_to_f): Use it.
7787 * real.c (CHARMASK): New.
7788 (etoasc, asctoeg): Use it.
7789 (asctoeg): EBCDIC lower case characters preceed upper case.
7791 * i370.c (mvs_add_label): Change spacing for coding conventions.
7792 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7793 outputing case vectors.
7794 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7795 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7796 since vector in in the data CSECT.
7797 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7798 * i370.md (Many patterns): Put the length in the XL directives.
7799 (movdi): Put back STM and MVC in definition.
7800 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7801 pattern using the TCA.
7802 * oe.h (CPP_SPEC): Added to allow trigraphs.
7803 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7804 not support the "long long" type.
7806 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7808 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7810 (mips_reg_mode_ok_for_base_p): Likewise.
7811 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7812 (REG_OK_FOR_INDEX_P): Define unconditionally.
7813 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7814 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7815 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7816 that GET_MODE_SIZE is unsigned.
7817 (mips_reg_mode_ok_for_base_p): Define.
7818 (mips_legitimate_address_p): Likewise. Adjust now
7819 that GET_MODE_SIZE is unsigned.
7820 (block_move_loop): Make the number of bytes unsigned.
7821 (expand_block_move): Likewise.
7822 (function_arg): Make the loop counter unsigned to match the
7825 2000-04-16 Richard Henderson <rth@cygnus.com>
7827 * rtl.h (enum insn_note): New enumeration. Subsume
7828 NOTE_INSN_DELETED and friends.
7829 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7830 * rtl.c (note_insn_name): Tweak string order.
7832 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7834 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7837 * cpplex.c (output_line_command): Remove debugging prints.
7838 (cpp_output_tokens): Don't write out a zero-length buffer or
7839 try to see if it has a newline in it.
7840 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7841 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7842 the end of the loop. Use memmove. Don't read past the end of
7843 the buffer. Remove trailing newlines from error messages.
7845 2004-04-16 Neil Booth <NeilB@earthling.net>
7847 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7848 * cpplib.c: Add new syntax flags to directive table, and
7851 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7853 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7856 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7858 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7859 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7861 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7863 * Makefile.in (ggc-page.o): Now includes toplev.h.
7864 * ggc-page.c (toplev.h): Now included.
7865 (gc_time): Remove declaration.
7866 (ggc_collect): TIME now long.
7867 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7869 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7871 * toplev.c: Make *_time variable long to reduce chance of overflow.
7872 (TIMEVAR): Likewise for `otime'.
7873 (print_time): Arg is now long; compute percentage in FP and round.
7874 * toplev.h (print_time): Arg is long.
7876 * tree.c: Minor whitespace changes.
7878 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7879 * configure: Rebuilt.
7880 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7881 (__fixunsxfDI): Renamed from __fixunsxfdi.
7882 (__fixunsdfDI): Renamed from __fixunsdfdi.
7883 (__fixunssfDI): Renamed from __fixunssfdi.
7884 (__floatdisf): Use proper type in REP_BIT macro.
7885 (__fixunsxfSI): Renamed from __fixunsxfsi.
7886 (__fixunsdfSI): Renamed from __fixunsdfsi.
7887 (__fixunssfSI): Renamed from __fixunssfsi.
7888 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7889 Change location of macros and upper-case some names as above.
7890 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7891 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7893 * varasm.c (assemble_variable): Add cast to remove warning.
7894 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7896 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7897 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7898 region number to -1.
7900 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7902 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7903 call unshare_all_rtl.
7905 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
7907 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
7909 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
7910 Use .s1 not .s0 for all FP instructions.
7912 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
7914 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
7916 (safe_fwrite, output_line_command): New static functions.
7917 (cpp_expand_to_buffer): Now private to cpplib.
7918 (cpp_scan_buffer): Take a printer.
7920 * cpphash.h: Update prototypes.
7921 * cpplib.h: Update prototypes.
7923 (cpp_buffer): Remove last_nominal_fname.
7924 (cpp_reader): Remove lineno.
7926 * cppmain.c: Use a cpp_printer.
7927 * fix-header.c: No need to inhibit line commands. Call
7928 cpp_start_read with no printer.
7930 * cpperror.c (cpp_notice_from_errno): Provide default name.
7931 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
7932 (find_include_file, cpp_read_file): Use make_IHASH.
7933 (file_cleanup): Set control_macro and clear
7934 input_stack_listing_current here.
7935 (_cpp_execute_include): Don't output entering-file marker.
7936 * cpphash.c (special_symbol): Look for the line number in the
7937 buffer, not the reader.
7938 (_cpp_macroexpand): No need to disable line commands.
7939 (_cpp_dump_definition): No need to generate line commands.
7940 (dump_hash_helper): Remove excess newline from output.
7941 * cppinit.c (dump_special_to_buffer): No need to generate line
7943 (cpp_printer_init): New.
7944 (cpp_start_read): Take a printer, and start it up if it's not
7945 NULL. No need to generate line commands.
7946 (cpp_finish): Expect no buffers stacked at all. Take a
7947 printer argument, and flush the output buffer if it's not
7949 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
7950 Don't put two hashes at the beginning of an assertion.
7951 (cpp_get_token): Don't increment pfile->lineno or emit line
7952 commands here. Return EOF if there's no buffer when we get
7954 * cpplib.c (do_define, skip_if_group):
7955 No need to disable line commands.
7956 (_cpp_output_line_command): Delete function.
7957 (do_line): Don't emit line commands here, but set things up so
7958 they will be emitted if necessary. Use _cpp_fake_ihash to
7959 make unique nominal_fnames if necessary.
7960 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
7961 with 0 for column, not -1.
7962 (_cpp_handle_eof): Don't set the control macro here. Don't
7963 clear input_stack_listing_current here. Don't emit line
7966 2000-04-14 Geoff Keating <geoffk@cygnus.com>
7968 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
7969 always, use the default SVR4 start address.
7971 * config/rs6000/linux.h (LINK_SPEC): Don't define.
7972 (LINK_SHLIB_SPEC): Define.
7973 (LINK_START_DEFAULT_SPEC): Define.
7974 (LINK_OS_DEFAULT_SPEC): Define.
7976 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
7978 * config/rs6000/eabi.asm (__eabi): Call __init rather than
7979 __do_global_ctors to handle constructors.
7980 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
7981 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
7982 (STARTFILE_MVME_SPEC): Likewise.
7983 (STARTFILE_SIM_SPEC): Likewise.
7984 (ENDFILE_ADS_SPEC): Use crtend.
7985 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
7986 (ENDFILE_MVME_SPEC): Likewise.
7987 (ENDFILE_SIM_SPEC): Likewise.
7988 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
7989 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
7990 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
7991 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
7992 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
7993 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
7994 (CRTSTUFF_T_CFLAGS_S): Define.
7995 * config/rs6000/eabi-ctors.c: Delete.
7997 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8000 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8004 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8006 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8007 plus mask size is smaller or equal to the mode size.
8009 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8011 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8014 * expr.c (reload.h): Now included.
8015 (emit_block_move): Set volatile_ok when checking for movstr.
8016 (emit_move_1): Check for replacements in addresses in multi-word case.
8017 * Makefile.in (expr.o): Now includes reload.h.
8019 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8020 Never have a LIBCALL end a basic block.
8021 (find_basic_blocks_1): Likewise.
8022 Reorganize CALL_INSN cases.
8024 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8026 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8028 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8029 completers from mov.ret instruction.
8031 2000-04-14 Richard Henderson <rth@cygnus.com>
8033 * fold-const.c (extract_muldiv): Don't distribute and widen
8034 multiply across plus for non-sizetype unsigned types.
8036 2000-04-14 Richard Henderson <rth@cygnus.com>
8038 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8039 If the original source is dead in the incr insn, it's dead now.
8041 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8043 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8044 see if DECL_BIT_FIELD needs to still be set.
8046 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8048 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8049 print_int_cst_octal with something that's not an INTEGER_CST.
8051 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8052 and not a SUBREG to a FLOAT rtl.
8054 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8056 * emit-rtl.c (try_split): Avoid infinite loop if the split
8057 results in a sequence that contains the original insn.
8059 2000-04-13 Andreas Jaeger <aj@suse.de>
8061 * config/mips/mips.c (expand_block_move): Pass alignment
8062 argument to move_by_pieces in bits, not bytes.
8064 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8065 __pic__ for little endian.
8067 2000-04-13 Andreas Jaeger <aj@suse.de>
8069 * config/i386/i386-protos.h: Add prototype for
8070 uno_comparison_operator.
8072 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8074 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8075 * calls.c (ECF_PURE): New flag.
8076 (emit_call_1): Handle ECF_PURE calls.
8077 (initialize_argument_information): Unset ECF_PURE flag too.
8078 (precompute_arguments): Precompute for ECF_PURE too.
8079 (expand_call): Handle ECF_PURE calls too.
8080 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8081 accept value of 2 as pure function.
8082 (emit_library_call_value, emit_library_call): Rename no_queue argument
8084 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8086 * tree.h (DECL_IS_PURE): New macro.
8087 (struct tree_decl): Add pure_flag.
8088 * c-common.c (enum attrs): Add attribute "pure".
8089 (init_attributes): Initialize attribute "pure"
8090 (decl_attributes): Handle attribute "pure".
8091 * extend.texi (Attribute "pure"): Document.
8092 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8094 (flags_from_decl_or_type): Support attribute "pure".
8096 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8098 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8099 the token except for numbers and identifiers.
8101 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8103 * i386.c (ix86_expand_binary_operator,
8104 ix86_expand_unary_operator): Check no_new_pseudos
8105 instead of reload_in_progress and reload_completed.
8106 (ix86_split_ashldi, ix86_split_ashrdi,
8107 ix86_split_lshrdi): Check no_new_pseudos instead
8108 of reload_completed.
8110 2000-04-12 Jeffrey A Law (law@cygnus.com)
8112 * function.c (purge_addressof): Unshare any shared rtl created by
8113 purge_addressof and its children.
8115 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8117 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8120 2000-04-05 Andreas Jaeger <aj@suse.de>
8122 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8123 not compiling PIC code, add flags for mabi=64.
8124 (SUBTARGET_CPP_SIZE_SPEC): New.
8125 (SUBTARGET_CPP_SPEC): New.
8126 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8127 for MIPS/Linux and lots of code needs these defines.
8129 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8131 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8132 trying the "opposite arithmetic" approach.
8134 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8136 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8137 (struct sh_args): Add new field force_mem.
8138 (INIT_CUMULATIVE_ARGS): Initialize it.
8139 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8141 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8143 * calls.c (expand_call): Do not reverse args in "equal from" field.
8144 (emit_library_call_value_1): Emit_libcall_block for const and pure
8147 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8149 * reload1.c (reload_combine): Don't enable optimization for fixed
8150 registers when encountering a BARRIER.
8152 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8154 * builtins.c (expand_builtin_memcmp): Do expansion even with
8155 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8157 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8158 stack is propertly aligned; add sanity checking for aligned
8160 (expand_library_call_value_1): Add sanity checking for aligned
8163 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8165 * calls.c (emit_library_call_value_1): Change 3rd arg to
8166 locate_and_pad_parm to disregard the setting of partial.
8168 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8170 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8172 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8173 CALL_INSN from the normal case.
8175 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8177 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8178 New global variables.
8179 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8181 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8183 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8184 TARGET_ADD_ESP_8): New macros.
8185 * i386.md: Add peep2s to convert esp adjustments to push and pop
8187 (pushsi_prologue, popsi_epilogue): New patterns.
8189 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8191 * real.c (toe64): Remove stale #endif from the last change.
8193 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8195 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8196 * real.c (toe64): Revert previous change.
8198 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8200 * objc/objc-act.c: Include ggc.h.
8201 (objc_tree_index, objc_global_trees): Convert most of the
8202 static tree variables into a static array with previous names
8204 (objc_ellipsis_node): New variable.
8205 (lang_init): Call objc_act_parse_init and c_parse_init.
8206 Create objc_ellipsis_node.
8207 (build_selector_translation_table): Use objc_ellipsis_node instead
8209 (hack_method_prototype): Likewise.
8210 (get_arg_type_list): Likewise.
8211 (start_method_def): Likewise.
8212 (continue_method_def): Likewise.
8213 (gen_method_decl): Likewise.
8214 (ggc_mark_imp_list): New function.
8215 (ggc_mark_hash_table): New function.
8216 (objc_act_parse_init): New function.
8217 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8218 * c-parse.in (c_parse_init): For objc add roots of objc specific
8219 local tree variables.
8220 * objc/objc-parse.y: Rebuilt.
8221 * objc/objc-parse.c: Rebuilt.
8222 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8224 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8226 * cse.c (delete_trivially_dead_insns): Also delete insns
8227 that copy a register to itself where the destination is
8230 2000-04-11 Richard Henderson <rth@cygnus.com>
8232 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8233 (propagate_block): Initialize them. Use them in parallel instead
8234 of one tmp variable, ie revert much of the 0408 and 0407 functional
8235 changes, but keep the structural changes.
8236 (mark_set_regs): Take new_dead from propagate_block_info instead.
8237 (mark_set_1, mark_set_reg): Likewise.
8238 (mark_used_regs): Likewise with new_live.
8239 (mark_used_reg): Likewise. Revert 0408 change.
8241 2000-04-11 Nick Clifton <nickc@cygnus.com>
8243 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8245 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8247 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8249 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8250 const section to output a CONSTRUCTOR based on the same conditions
8253 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8255 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8256 * pa/pa-protos.h (output_call): Add additional argument indicating
8257 if the call is a sibling/tail call.
8258 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8259 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8260 (function_arg, function_arg_partial_nregs): Likewise
8261 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8262 (emit_move_sequence): Zero extend certain constants as needed
8264 (compute_zdepdi_operands, output_64bit_and): New functions.
8265 (output_64bit_ior, function_arg): Likewise.
8266 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8267 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8268 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8269 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8270 (output_bvb): Likewise.
8271 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8272 (output_call): New argument 'sibcall'. Generate sibcall sequences
8274 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8275 (ouput_arg_descriptor): Do not emit argument descriptors for
8277 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8279 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8280 (FUNCTION_OK_FOR_SIBALL): Define.
8281 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8282 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8283 (CPP_SPEC): Use new spec infrastructure.
8284 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8285 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8286 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8287 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8288 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8289 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8290 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8291 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8292 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8293 (FUNCTION_ARG); Call out to C code.
8294 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8295 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8296 (MIN_UNITS_PER_WORD): Likewise.
8297 * pa/pa.md (cmpdi): New expander.
8298 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8299 (64bit conditional arithmetic): New patterns.
8300 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8301 (movsicc): Not available if modes on all the operands to not match.
8302 (movdicc): New expander and associated patterns.
8303 (64bit branches): New patterns.
8304 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8305 (pre_ldd, post_std): New patterns.
8306 (64bit addil, load low part): New patterns.
8307 (special movsf constant): Not available for TARGET_64BIT.
8308 (movsf, movdf expanders): Force constants into memory.
8309 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8310 (64bit movdf/movdi patterns): New patterns.
8311 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8313 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8314 (adddi3 expander): Allow "arith_operand" for second input.
8315 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8316 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8317 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8318 (muldi3): New expander for TARGET_64BIT.
8319 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8321 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8322 patterns for TARGET_64BIT.
8323 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8324 patterns for TARGET_64BIT.
8325 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8326 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8327 (sibcall_epilogue): New expander.
8328 (casesi): Tweak for TARGET_64BIT.
8329 (call expanders): Set & use the outgoing argument pointer. Use the
8330 64bit call patterns as needed. Add additional arg to output_call.
8331 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8332 (sibcall, sibcall_internal_symref): New expanders.
8333 (sibcall_value, sibcall_value_internal_symref
8334 (interspace_jump): Turn into an expander + matching patterns.
8335 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8336 * pa/pa64-regs.h: Eliminate trigraph sequences.
8337 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8339 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8341 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8342 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8343 cpp_token with cpp_ttype everywhere.
8344 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8345 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8346 CPP_BUF_COL. Line and column numbers are unsigned int, not
8348 * cpplex.c (cpp_buf_line_and_col): Delete.
8349 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8350 'long lineno' to 'unsigned int lineno'.
8351 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8353 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8355 * extend.texi: ISO C99 is not a draft anymore.
8356 * invoke.texi: ISO C++ is not a draft anymore.
8357 * cpp.texi: __cplusplus is required by the ISO standard.
8359 * extend.texi (-fthis-is-variable): Undocument.
8360 * flags.h (warn_template_debugging): Remove declaration.
8361 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8362 -Wenum-clash, -Wtemplate-debugging): Undocument.
8364 2000-04-10 Nick Clifton <nickc@cygnus.com>
8366 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8368 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8370 (ARM_SIGN_EXTEND): Use HOST_UINT.
8371 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8372 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8373 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8374 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8376 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8377 (arm_gen_constant): Use HOST_UINT.
8378 (arm_canonicalize_constant): Use HOST_UINT.
8379 (arm_reload_in_hi): Use HOST_UINT.
8380 (arm_reload_out_hi): Use HOST_UINT.
8381 (output_multi_immediate): Use HOST_UINT.
8382 (int_log2): Use HOST_UINT.
8383 (arm_poke_function_name): Use HOST_UINT.
8384 (arm_output_epilogue): Use arm_volatile_func().
8385 (output_thumb_prologue): Use arm_strip_name_encoding().
8387 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8389 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8390 of sequence point problems.
8392 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8394 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8396 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8398 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8400 * sbitmap.h: Whitespace changes and use upper-case macro args.
8401 (struct simple_bitmap_def): All sizes now unsigned.
8402 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8403 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8404 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8405 (sbitmap_zero): Cast bzero arg to PTR.
8406 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8407 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8408 loop to make structure clearer.
8409 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8410 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8411 (sbitmap_a_and_b_or_c): Likewise.
8412 (sbitmap_intersection_of_succs): Minor cleanups.
8413 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8414 (sbitmap_union_of_preds): Likewise.
8415 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8416 (debug_sbitmap): New function.
8418 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8419 * c-typeck.c (convert_for_assignment): Likewise.
8421 * expmed.c (init_expmed): Don't free objects we make.
8422 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8424 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8425 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8427 * gcse.c (expr_hash_table_size): Now unsigned.
8428 (compute_ae_gen): Local variable `i' now unsigned.
8429 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8430 (compute_transout, hoist_code): Likewise.
8431 (compute_local_properties): Likewise, also hash_table_size.
8432 (alloc_expr_hash_table): N_INSNS now unsigned.
8433 (delete_null_pointer_checks): Mark arg F as unused.
8435 * regrename.c: Minor cleanups, including chang some variables
8438 2000-04-10 Neil Booth <NeilB@earthling.net>
8440 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8442 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8444 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8446 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8447 __classof__, and __headof__ from the list of gnu keywords.
8448 (-ansi): Remove -foperator-names from list of implied options.
8449 Do not call it ANSI C++.
8450 (-foperator-names): Document as -fno-operator-names.
8452 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8454 * cpphash.c (timestamp): Delete.
8455 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8456 (special_symbol): Remove unnecessary braces. Remove
8457 T_VERSION. Treat T_STDC like T_CONST unless
8458 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8459 when one is encountered, then convert them into T_MCONST
8461 * cppinit.c (builtin_array): version_string is T_MCONST.
8462 __STDC__ has a "1" in its cpval. Don't have a terminator
8463 entry. Clean up which entries are dumped.
8464 (initialize_builtins): Only __STDC__ gets the special
8465 -traditional treatment. Count the length of builtin_array.
8466 Render version_string here.
8467 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8468 * cpplib.h (struct cpp_reader): Remove timebuf.
8470 2000-04-09 Richard Henderson <rth@cygnus.com>
8472 * genrecog.c (pred): Update comparison_operator for the unordered
8475 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8477 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8478 (uno_comparison_operator): New.
8479 (put_condition_code): Handle UNORDERED/ORDERED.
8480 (unsigned_comparison): Likewise.
8481 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8482 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8483 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8484 update all callers. Handle all 8 unordered operators.
8485 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8486 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8487 * config/i386/i386.h (PREDICATE_CODES): Update.
8488 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8489 (ix86_expand_branch, ix86_expand_setcc): Update.
8490 * config/i386/i386.md (sunordered, sordered): New.
8491 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8492 (bunordered, bordered): New.
8493 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8494 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8495 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8497 2000-04-09 Philip Blundell <philb@gnu.org>
8499 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8501 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8503 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8504 fix_truncxfhi2): New patterns.
8505 * i386.c (output_fix_trunc): Handle converting to HImode.
8507 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8509 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8511 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8512 (for_each_successor_phi): Change parameter to basic_block.
8513 (coalesce_regs_in_successor_phi_nodes): Likewise.
8514 (coalesce_regs_in_copies): Likewise.
8515 (compute_coalesced_reg_partition): Use basic_block instead of index.
8516 * rtl.h (convert_to_ssa): Delete.
8517 (convert_from_ssa): Likewise.
8518 (successor_phi_fn): Likewise.
8519 (for_each_successor_phi): Likewise.
8520 (in_ssa_form): Likewise.
8521 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8522 (convert_from_ssa): Likewise.
8523 (successor_phi_fn): Likewise.
8524 (in_ssa_form): Likewise.
8525 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8526 * flow.c (calculate_global_regs_live): Pass a basic_block to
8527 for_each_successor_phi.
8529 2000-04-08 Richard Henderson <rth@cygnus.com>
8531 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8532 was modified in the current insn.
8534 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8536 * arm/thumb.md: Delete.
8537 * arm/thumb-protos.h: Delete.
8539 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8541 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8543 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8545 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8548 * arm.md (nop): Use the standard RTL expression. Don't code as a
8550 (*arm_nop, *thumb_nop): Delete.
8552 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8553 constants. Use casts instead.
8554 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8555 output_multi_immediate, arm_poke_function_name): Likewise.
8556 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8557 MASK_RETURN_ADDDR): Likewise.
8559 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8561 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8564 * arm.md (eh_epilogue): New function.
8565 * arm.h (struct machine_function): Move to here ...
8566 * arm.c: ... from here.
8567 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8568 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8569 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8571 2000-03-30 Nick Clifton <nickc@cygnus.com>
8573 * config/arm/semi.h (ASM_SPEC): Restore definition.
8574 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8576 * config/arm/elf.h (ASM_SPEC): Restore definition.
8577 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8579 * config/arm/arm.h (ASM_SPEC): Remove definition.
8580 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8582 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8584 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8586 2000-03-24 Nick Clifton <nickc@cygnus.com>
8588 Various formating tidyups, elimination of compile time
8589 warnings and synchronisation with internal sources:
8591 * config/arm/arm-protos.h (assemble_align): Add prototype.
8592 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8593 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8594 (arm_return_addr_rtx): Rename to arm_return_addr.
8596 * config/arm/arm.c: Include except.h.
8597 Define shorter typenames for strict minipool_node and struct
8599 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8601 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8602 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8604 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8606 (ASM_SPEC): Define if not already defined.
8607 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8609 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8610 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8611 arm_gen_compare_reg.
8612 (indirect_jump): Only accept register operands.
8613 (load_indirect_jump): Keep this pattern since combine can generate
8616 * config/arm/coff.h: Include aout.h.
8617 (MULTILIB_DEFAULTS): Only define if not already defined.
8619 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8620 into arm.h (so that COFF ports can support thumb based aliases).
8621 (ASM_SPEC): Move definition into arm.h
8623 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8624 redundant apcs spec.
8625 (ASM_SPEC): Move definition to arm.h
8627 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8629 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8630 for entries in the .bss section
8632 2000-03-23 Nick Clifton <nickc@cygnus.com>
8634 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8635 to thumb_far_jump_used_p.
8637 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8638 single integer parameter.
8640 * config/arm/arm.c (struct machine_function): Add two new
8641 fields, 'far_jump_used' and 'arg_pointer_live'.
8642 (thumb_far_jump_used_p): Once the decision has been made that
8643 far jumps might be used, always return true.
8644 If being called from the initial elimination offset macro then
8645 do not bother to perform the test if the arg pointer is not
8647 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8648 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8650 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8652 * arm.c (output_return_instruction): Handle more cases where we can
8653 return from a function with an ldr instruction.
8654 (arm_output_epilogue): Likewise.
8656 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8657 if we need to push a large stack frame and there are no callee-saved
8660 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8661 in ARM code if the frame pointer has been eliminated.
8663 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8664 unspec_volatile arguments to avoid duplicates.
8665 (consttable_1, consttable_2): Fixes for big-endian mode.
8667 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8670 Re-write constant pool code.
8671 * arm.c (minipool_node, minipool_fix): New types.
8672 (minifix): Delete type.
8673 (arm_add_minipool_constant): Delete.
8674 (arm_compute_minipool_offsets, arm_find_barrier,
8675 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8676 (get_jump_table_size): Now returns HOST_WIDE_INT.
8677 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8679 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8680 (assign_minipool_offsets, arm_print_value): Likewise.
8681 (dump_minipool): Rewrite.
8682 (arm_barrier_cost): New function.
8683 (create_fix_barrier): New function.
8684 (push_minipool_barrier): New function.
8685 (push_minipool_fix): Record additional information about the fixup
8687 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8688 check the mode of what needs fixing.
8689 (arm_reorg): Rewrite.
8691 2000-03-08 Nick Clifton <nickc@cygnus.com>
8693 * config/arm/arm.md (indirect_jump): Force constant addresses into
8696 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8698 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8700 2000-02-24 Nick Clifton <nickc@cygnus.com>
8702 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8703 adjust is word aligned.
8704 (thumb_expand_epilogue): Make sure that stack adjust is word
8707 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8709 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8711 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8712 pointer relative addresses.
8714 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8716 * arm.c (find_barrier): Find the last barrier within the allowed
8719 2000-02-09 Nick Clifton <nickc@cygnus.com>
8721 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8723 2000-02-09 Nick Clifton <nickc@cygnus.com>
8725 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8726 ARM_FUNCTION_PROFILER.
8728 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8729 ARM_FUNCTION_PROFILER.
8731 * config/arm/linux-oldld.h: Imported from mainline sources.
8733 2000-02-07 Nick Clifton <nickc@cygnus.com>
8735 * config/arm/lib1funcs.asm: Merge in thumb functions from
8738 * config/arm/lib1thumb.asm: Delete.
8740 2000-02-04 Nick Clifton <nickc@cygnus.com>
8742 * config/arm/arm.c: Sychronised with current Red hat local
8744 * config/arm/arm.h: Ditto.
8745 * config/arm/arm-protos.h: Ditto.
8747 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8749 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8751 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8754 2000-02-02 Nick Clifton <nickc@cygnus.com>
8756 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8758 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8759 (return) was emited using an emit_insn() call.
8761 2000-01-31 Nick Clifton <nickc@cygnus.com>
8763 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8765 (thumb_exit): Move frame pointer back into hard frame pointer
8766 register if backtracing is being used.
8768 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8770 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8773 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8775 * config/arm/arm.md (neg_pool_offset): Provide default for new
8777 (arm_movsi_insn): Add neg_pool_offset attribute.
8778 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8779 rtx for the insn that starts the scan and an unsigned long for its
8780 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8781 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8782 instructions in *PINSERTED.
8783 (struct minipool_fixup): Add MIN_ADDRESS elt.
8784 (sort_fixups): Compute it.
8785 (arm_reorg): Changes to support inserting pools before the insn to be
8788 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8790 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8791 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8792 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8794 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8796 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8798 (TARGET_DEFAULT): Do not define if already defined.
8800 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8802 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8803 (iordi3): Allow disjoint source operands.
8804 (xordi3): Allow disjoint source operands.
8805 (negdi2): Permit construction for ARM and Thumb.
8806 (arm_negdi2): Renamed version of old negdi2 pattern.
8807 (thumb_negdi2): New pattern: Only permit non-overlapping
8808 source and destination.
8810 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8812 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8813 scratch low register so that it will not be deleted.
8815 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8817 * config/arm/pe.h (ARM_PE): Define.
8819 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8820 interfacearm attribute if this is a PE toolchain.
8821 (output_return_instruction): Do not emit anything if the function
8822 has the naked attribute set.
8823 (is_called_in_ARM_mode): If the function has the interfacearm
8824 attribute then return true.
8825 (thumb_expand_prologue): Do not generate a prologue for naked
8827 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8829 (output_thumb_prologue): Do not bother if the function is naked.
8830 Strip PE encoding from function name before emitting.
8832 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8834 * arm.md (pic_load_addr): Fix constraints.
8836 * arm.md (casesi_insn): Fix mis-applied patch.
8838 * arm.md ("core" function unit): Add rules for single- and
8840 (All TARGET_THUMB patterns): Add "type" attribute information
8842 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8843 the following insn is a CALL.
8845 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8847 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8848 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8849 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8851 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8853 * config/arm/linux-gas.h: oops - this file was missed out when the
8854 branch was created...
8856 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8858 * thumb.c: Deleted. Move contents to ...
8860 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8862 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8865 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8866 declare a prototype for asm_output_align();
8868 * arm.c (thumb_condition_code): Delete.
8869 (arm_print_operand): Always use arm_condition_code array.
8871 * arm.c (thumb_return_addr_rtx): Delete.
8872 (arm_save_machine_status, arm_restore_machine_status): Delete.
8873 (arm_init_machine_status, arm_mark_machine_status): New functions.
8874 (arm_init_expanders): Update accordingly.
8875 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8876 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8877 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8879 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8881 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8883 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8886 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8888 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8889 stack backtrace structure.
8891 * config/arm/arm-protos.h: Add prototypes for functions defined in
8894 * config/arm/arm.c (arm_override_options): Fix selection of
8895 attributes of default processor.
8897 * config/arm/coff.h: Delete needless #include.
8899 * config/arm/pe.c: Delete unused code.
8901 * config/arm/pe.h (CPP_DEFINES): Delete
8902 (SUBTARGET_CPP_SPEC): Define.
8903 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
8905 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
8907 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
8909 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
8911 (CAN_DEBUG_WITHOUT_FP): Define.
8912 (FIXED_REGISTERS): Make r11 call-saved.
8913 (CALL_USED_REGISTERS): Likewise.
8914 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
8915 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
8916 frame-pointer is required.
8917 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
8918 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
8919 if the target normally needs a stack frame in non-leaf functions.
8920 (use_return_insn): Correct logic for determining when a return
8921 instruction can be used.
8922 (output_return_instruction): Handle the frame-pointer register as
8923 a normal register when not TARGET_APCS_FRAME.
8924 (arm_output_prologue): Likewise.
8925 (arm_output_epilogue): Likewise.
8926 (output_func_epilogue): Likewise.
8927 (arm_expand_prologue): Likewise.
8928 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
8930 * arm.c (use_return_insn): No need to check floating point regs if
8932 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
8933 the code of value stored in the minipool array.
8934 (arm_add_minipool_constant): Likewise.
8936 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8938 * basic-block.h (conflict_graph_enum_fn): K&R fix.
8940 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8942 * tree.c (tree_expr_nonnegative_p): New function.
8944 * tree.h (tree_expr_nonnegative_p): Declare.
8946 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
8947 elide some sign_compare warnings.
8948 (build_conditional_expr): Likewise.
8950 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
8952 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
8954 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
8955 * i386.c (print_operand): Use the proper suffix for a 387 HImode
8956 operand. Abort if a 387 operand has an unsupported size.
8958 2000-04-08 Neil Booth <NeilB@earthling.net>
8960 * cppexp.c (parse_charconst): Null does not end character
8962 * cppinit.c (ISTABLE): Null character handled as whitespace.
8963 * cpplex.c (null_warning): new function.
8964 (skip_string): Emit warning if nulls encountered.
8965 (_cpp_skip_hspace): Emit warning if nulls encountered.
8966 (_cpp_lex_token): Emit warning if nulls encountered. Drop
8970 2000-04-07 Richard Henderson <rth@cygnus.com>
8972 * flow.c (loop_depth): Remove.
8973 (reg_next_use, cc0_live, mem_set_list): Replace with ...
8974 (struct propagate_block_info): New.
8975 (life_analysis): Don't allocate reg_next_use.
8976 (propagate_block_delete_insn): Break out of propagate_block.
8977 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
8978 (propagate_block_delete_libcall): Likewise.
8979 (propagate_block): Create a propagate_block_info struct to pass
8980 to subroutines. Allocate one not two temporary regsets. Don't
8981 clobber memory for const calls. Look for clobbers in
8982 CALL_INSN_FUNCTION_USAGE.
8983 (mark_set_regs): Recognize COND_EXEC.
8984 (mark_set_reg): Break out of mark_set_1.
8985 (mark_used_reg): Break out of mark_used_regs.
8986 (mark_used_regs): Recognize COND_EXEC.
8987 (insn_dead_p): Use propagate_block_info struct.
8988 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
8989 (find_auto_inc, try_pre_increment_1): Likewise.
8990 (print_rtl_with_bb): Dump regs live at end too.
8991 (count_reg_sets_1): Pass in loop_depth.
8992 (count_reg_sets, count_reg_references): Likewise.
8993 (recompute_reg_usage): Provide it.
8995 2000-04-07 Richard Henderson <rth@cygnus.com>
8997 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9000 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9002 * cpplib.c (do_elif): Skip the rest of the line if we're
9003 not going to bother evaluating it.
9004 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9005 to avoid pointless calls to the lexer.
9007 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9009 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9011 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9013 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9015 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9017 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9019 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9021 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9022 crtend so they can be multilibbed.
9023 (STAGESTUFF): Remove s-crt and s-crtS.
9025 2000-04-07 Richard Henderson <rth@cygnus.com>
9027 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9028 if we discover we need a pseudo and no_new_pseudos is true.
9029 * config/alpha/alpha.md (ne:DI insn): New.
9030 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9032 2000-04-07 Richard Henderson <rth@cygnus.com>
9034 * rtl.def (COND_EXEC): New.
9035 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9036 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9038 * genconfig.c (have_cond_arith_flag): Remove.
9039 (have_cond_exec_flag): New.
9040 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9041 (main): Print HAVE_conditional_execution.
9043 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9044 (sched_analyze_insn, print_pattern): Likewise.
9045 * reload.c (find_equiv_reg): Likewise.
9046 * rtlanal.c (reg_referenced_p): Likewise.
9047 (note_stores, dead_or_set_regno_p): Likewise.
9048 (reg_overlap_mentioned_p): Rewrite to use a switch.
9050 * ggc.h (struct rtx_def): Forward declare.
9052 * print-rtl.c (debug_rtx_range): New.
9053 * rtl.h (debug_rtx_range): Declare.
9055 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9057 * gcse.c (gcse_main): Don't rebuild the CFG here.
9058 (delete_null_pointer_checks): Likewise.
9059 * ssa.c (convert_to_ssa): Likewise.
9060 * toplev.c (rest_of_compilation): Do it here instead. Combine
9061 sequential calls to TIMEVAR. Consistently use `insns' instead of
9062 `get_insns()'. Always split insns after reload when optimizing.
9064 * basic-block.h (merge_blocks_nomove): Declare.
9065 (tidy_fallthru_edge): Declare.
9066 * flow.c (merge_blocks_nomove): Document as merging into previous
9067 blocks. Remove cruft from between blocks; remove all edges out of A.
9068 (tidy_fallthru_edge): Export.
9070 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9072 * ssa.c (compute_conservative_reg_partition): Declare with
9074 * toplev.c (clean_dump_file): Remove previously-deleted function
9075 inadvertantly merged back in.
9076 * conflict.c (conflict_graph_add): Use a single call to
9077 htab_find_slot to look up and insert.
9079 2000-04-06 Richard Henderson <rth@cygnus.com>
9081 * genrecog.c (*): Rename _last_insn to last_insn.
9082 (make_insn_sequence): Set the position of the peephole2 C test
9083 to be at the last insn.
9085 2000-04-06 Richard Henderson <rth@cygnus.com>
9087 * flow.c (compute_flow_dominators): Free worklist.
9089 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9091 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9093 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9095 * rtl.h (INSN_P): New macro.
9096 (successor_phi_fn): New typedef.
9097 (for_each_successor_phi): New prototype.
9098 (in_ssa_form): New variable.
9099 (PHI_NODE_P): Likewise.
9100 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9101 phi nodes in successors.
9102 (mark_used_regs): Add PHI case.
9103 (set_phi_alternative_reg): New function.
9104 (life_analysis): Assert that dead code elimination is not selected
9106 * toplev.c (to_ssa_time): New variable.
9107 (from_ssa_time): Likewise.
9108 (compile_file): Zero to_ssa_time and from_ssa_time.
9109 Print time to convert to and from SSA.
9110 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9111 (print_time): Compute percent fraction as integer.
9112 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9113 (convert_to_ssa): Check if we're already in SSA.
9114 Don't eliminate dead code in life_analysis.
9115 Rerun flow and life analysis at bottom.
9116 (eliminate_phi): Use canonical regnos when adding nodes.
9117 (mark_reg_in_phi): New function.
9118 (mark_phi_and_copy_regs): Likewise.
9119 (convert_from_ssa): Rerun life analysis at top.
9120 Use coalesced partition.
9121 Check for removing a phi node at the end of the block.
9122 (compute_coalesced_reg_partition): New function.
9123 (coalesce_regs_in_copies): Likewise.
9124 (coalesce_reg_in_phi): Likewise.
9125 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9126 (for_each_successor_phi): Likewise.
9127 (rename_context): New struct.
9128 (rename_block): Use a rename_context with rename_insn_1. When
9129 renaming sets of a subreg, emit a copy of the entire reg first.
9130 (rename_insn_1): Treat data as a rename_context *. Save current
9132 (rename_set_data): Add field set_insn.
9133 * Makefile.in (HASHTAB_H): Move up in file.
9134 (OBSTACK_H): New macro.
9135 (collect2.o): Use OBSTACK_H in dependencies.
9136 (sdbout.o): Likewise.
9137 (emit-rtl.o): Likewise.
9138 (simplify-rtx.o): Likewise.
9139 (fix-header.o): Likewise.
9140 (OBJS): Add conflict.o.
9141 (conflict.o): New rule.
9142 * basic-block.h: Include partition.h.
9143 (conflict_graph): New typedef.
9144 (conflict_graph_enum_fn): Likewise.
9145 (conflict_graph_new): New prototype.
9146 (conflict_graph_delete): Likewise.
9147 (conflict_graph_add): Likewise.
9148 (conflict_graph_conflict_p): Likewise.
9149 (conflict_graph_enum): Likewise.
9150 (conflict_graph_merge_regs): Likewise.
9151 (conflict_graph_print): Likewise.
9152 (conflict_graph_compute): Likewise.
9153 * conflict.c: New file.
9155 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9157 * tlink.c (read_repo_files): Don't look for .rpo info for
9160 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9162 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9164 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9166 * config/sh/lib1funcs.asm (___udivsi3_i4):
9167 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9168 only depends on FMOVD_WORKS.
9170 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9172 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9173 make double constant 8-byte aligned.
9175 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9177 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9178 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9179 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9180 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9181 Accept storing GENERAL_REGS into offsetable memory.
9182 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9183 building a TFmode constant other than 0.0L into GENERAL_REGS.
9185 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9187 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9189 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9191 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9192 (macro_cleanup): No need to cast pbuf->macro.
9193 (collect_expansion): Use _cpp_get_define_token. Goto done if
9194 it returns VSPACE. Remove check for trailing space after
9196 (_cpp_create_definition): Don't diddle flags here. Return
9198 (unsafe_chars): Handle c1 being EOF.
9199 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9200 checks. Don't push the buffer till after we're done with
9202 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9203 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9204 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9206 (_cpp_parse_assertion): Don't NUL terminate.
9207 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9208 hspace before calling _cpp_parse_assertion. Remove all sets
9209 of only_seen_white. Treat '\f' as hspace. Don't do anything
9210 special with '\n' here.
9211 (maybe_macroexpand): Handle T_EMPTY hash entries without
9212 pushing a buffer at all.
9213 (cpp_get_token): Handle clearing only_seen_white here. Handle
9214 incrementing the line number here. Clear
9215 potential_control_macro as well as only_seen_white, if
9217 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9218 (_cpp_get_define_token): New function, basically like
9219 _cpp_get_directive_token was but doesn't eat horizontal space.
9220 Don't do anything with only_seen_white here.
9221 (_cpp_get_directive_token): Just call _cpp_get_define_token
9222 repeatedly till it returns non-hspace.
9224 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9225 (conditional_skip, skip_if_group): Return int.
9226 (DIRECTIVE_TABLE): Change origin of all conditional directives
9228 (TRAD_DIRECT_P): New macro.
9229 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9230 an error for a bogus directive, unless -lang-asm. Use
9231 TRAD_DIRECT_P. Loop calling handler functions till one returns
9233 (get_macro_name): Don't diddle flags here.
9234 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9235 Create T_EMPTY nodes for #define macro /* nothing */.
9236 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9237 Use hp->name when calling pass_thru_directive.
9238 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9239 Return the result of conditional_skip and/or skip_if_group.
9240 Don't call _cpp_output_line_command.
9241 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9242 Issue -Wtraditional warnings as appropriate. Don't complain
9243 about unrecognized directives. If we are to stop skipping,
9244 return the number of the directive that ended the skip.
9245 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9246 expansion and line commands while skipping. Return the result
9247 of consider_directive_while_skipping, if nonzero.
9248 (do_endif): Just set potential_control_macro here.
9249 (validate_else): Use _cpp_get_directive_token.
9250 (do_assert, do_unassert): Don't save pointers into the
9251 token_buffer across calls to the lexer. Use
9252 _cpp_get_directive_token.
9254 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9255 pointer, not an offset. Replace 'data', which was a generic
9256 pointer, with 'macro', which points to a struct hashnode.
9257 (cpp_reader): Add 'potential_control_macro' pointer.
9258 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9259 (CPP_BUF_GET, CPP_FORWARD): Delete.
9260 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9261 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9262 ACTIVE_MARK_P): Update.
9263 (_cpp_get_define_token): New internal function.
9264 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9266 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9268 * configure.in: And here.
9269 * configure: Regenerate.
9270 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9271 --enable-libstdcxx-v3 is passed at configure time.
9272 * config.h.in: Regenerate.
9274 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9276 * final.c (final): Use xcalloc to allocate line_note_exists.
9277 * function.c (free_after_compilation): Free the temp_slots.
9278 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9279 (combine_temp_slot): Free temp_slots when they get combined.
9280 (purge_addressof): Fix typo in comment.
9281 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9282 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9284 * ggc.h: Include varray.h.
9285 (ggc_pending_trees): Declare.
9286 (ggc_mark_tree_children): Remove declaration.
9287 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9288 * ggc-common.c (ggc_pending_trees): New variable.
9289 (ggc_mark_roots): Call ggc_mark_trees.
9290 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9291 the ggc_pending_trees.
9292 * Makefile.in (GGC_H): New variable. Use it throughout in place
9295 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9297 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9300 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9302 * sh.c (sh_insn_length_adjustment): New function.
9303 * sh-protos.h (sh_insn_length_adjustment): Declare.
9304 * sh.h (ADJUST_INSN_LENGTH): Use it.
9306 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9308 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9309 from the insn where REG_RETVAL is added.
9310 (emit_no_conflict_block): Ditto.
9312 * md.texi (Standard Names): Clarify when movX is needed.
9314 * combine.c (simplify_comparison) [MINUS]: Do not replace
9315 all (op (minus A B) 0) with (op A B).
9317 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9318 J"orn Rennecke <amylaar@cygnus.co.uk>
9320 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9321 (block_lump_real): Likewise.
9323 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9325 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9326 remaining non-zero debugging masks.
9328 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9330 * basic-block.h (verify_flow_info): Declare.
9331 (flow_loop_outside_edge_p): Declare.
9332 * flow.c (verify_flow_info): Remove declaration.
9333 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9335 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9337 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9340 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9342 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9343 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9344 seqdi_zero_trunc+1): Allow splits only if registers are
9347 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9349 * acconfig.h: Add HAVE_GAS_HIDDEN.
9350 * config.in: Regenerated.
9351 * configure.in: Add test for .hidden pseudo-op in gas.
9352 * configure: Regenerated.
9353 * crtstuff.c: Include auto-host.h.
9354 Emit additional .hidden pseudo-op for __dso_handle if the
9355 assembler knows about it.
9357 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9359 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9360 before freeing argnames.
9361 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9363 2000-04-05 Michael Meissner <meissner@redhat.com>
9365 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9366 Walton <jonboy@gordian.com> to make memory references with update
9367 work wtih -mregnames.
9369 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9371 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9372 (regrename_optimize): Rename variables `def_uses' and
9373 `ext_basic_blocks' to avoid conflicts with similarly named
9374 typedefs in traditional C.
9376 * calls.c (initialize_argument_information): Fix typo in previous
9379 2000-04-04 Richard Henderson <rth@cygnus.com>
9381 * regrename.c (consider_available): Test fixed_regs not
9382 PIC_OFFSET_TABLE_REGNUM.
9384 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9386 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9388 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9389 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9390 (ENDFILE_LINUX_SPEC): Always use crtend.
9391 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9392 (powerpc-*-linux-gnu): Likewise.
9393 * configure: Regenerate.
9395 * config/rs6000/eabi.h: Don't include sysv4.h.
9396 (MULTILIB_DEFAULTS): Don't define.
9397 * config/rs6000/eabiaix.h: Don't include eabi.h.
9398 * config/rs6000/eabile.h: Delete.
9399 * config/rs6000/eabilesim.h: Delete.
9400 * config/rs6000/eabisim.h: Don't include eabi.h.
9401 * config/rs6000/linux.h: Don't include sysv4.h.
9402 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9403 (MULTILIB_DEFAULTS): Don't redefine.
9404 * config/rs6000/rtems.h: Don't include eabi.h.
9405 * config/rs6000/sol2.h: Don't include sysv4le.h.
9406 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9407 * config/rs6000/t-ppc: Delete.
9408 * config/rs6000/t-ppcgas: Correct comment.
9409 * config/rs6000/t-ppcos: Correct comment. Don't build
9410 multilibs for -fPIC, rather use -fPIC -mstrict-align
9412 * config/rs6000/t-ppc: Delete.
9413 * config/rs6000/vxppc.h: Don't include sysv4.h.
9414 * config/rs6000/vxppcle.h: Delete.
9415 * configure.in: Use multiple header files for p2pc ELF targets
9416 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9417 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9418 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9419 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9420 always available for these platforms.
9422 2000-04-04 Richard Henderson <rth@cygnus.com>
9424 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9426 2000-04-04 Stan Cox <scox@cygnus.com>
9428 * Makefile.in: Add rules for regrename.o
9429 * regrename.c: New file.
9430 * rtl.h (regrename_optimize): Add prototype.
9431 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9432 (compile_file, decode_d_option): Add support for -frename-registers.
9433 (rest_of_compilation): Call regrename_optimize.
9434 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9437 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9439 * Makefile (gccbug): New target.
9440 (doc): Depend on it.
9441 * gcc.texi (Bugs): Link subnodes.
9443 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9444 Document severities, priorities, and classes in bug form.
9446 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9448 * cpplex.c (trigraph_map, speccase): Combine into single
9450 (NORMAL, NONTRI): New macros.
9451 (_cpp_read_and_prescan): Change to use unified table. Use
9452 is_hspace to test for whitespace.
9454 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9455 definition that doesn't provoke the "empty body in an
9456 if-statement" warning.
9458 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9460 * builtins.c (expand_builtin_strlen): Force the source to
9461 be a memory address.
9463 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9465 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9467 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9469 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9470 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9471 (ECF_IS_CONST): Rename to ECF_CONST.
9472 (special_function_p): Make static, change interface.
9473 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9474 (expand_call) ... here; convert number of variables to flags.
9475 (emit_library_call_vlue_1): Likewise.
9476 (setjmp_call_p): New function.
9477 (initialize_argument_information): Accepts flags as argument;
9479 (precompute_arguments): Likewise.
9480 * tree.h (special_function_p): Remove.
9481 (setjmp_call_p): Add prototype.
9483 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9485 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9486 so that addresses are offsetable by up to 16 bytes.
9487 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9488 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9491 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9492 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9493 (movsf): Don't force any constant to memory if target is integer
9495 Move fp_zero_operand check below the const0_rtx check.
9496 (movtf): Likewise. Also allow fp_zero_operand for stores into
9498 (movdf): Likewise. Also allow fp_zero_operand for stores into
9499 memory and into integer hard registers.
9500 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9501 movdf_const_intreg_sp64): Remove.
9502 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9504 (movdf_no_e_insn_v9_sp32): New pattern.
9505 (movdf_insn_v9only): Remove.
9506 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9507 (movdf_insn_sp64): Remove.
9508 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9509 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9510 (following splits): Rewrite conditions. Add two new splits
9511 for storing 0.0 into memory and registers.
9512 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9513 (movtf_insn_sp32): Redo constraints and conditions.
9514 (movtf_insn_vis_sp32): New pattern.
9515 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9516 (movtf_insn_hq_sp64): Likewise.
9517 (movtf_insn_hq_vis_sp64): New pattern.
9518 (movtf_insn_sp64): Redo constraints and conditions.
9519 (movtf_insn_vis_sp64): New pattern.
9520 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9521 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9523 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9524 -mvis or -m64 to take down the number of various reload patterns.
9526 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9528 * pa/pa-64.h: New file.
9529 * pa/pa64-regs.h: New file.
9530 * pa/pa64-start.h: New file.
9531 * pa/t-pa64: New file.
9532 * pa/xm-pa64hpux.h: New file.
9534 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9536 * sparc.c (output_restore_regs): Prototype.
9537 (sparc_emit_float_lib_cmp): Constification.
9539 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9541 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9544 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9545 (get_value_hash, hash_rtx): Likewise.
9547 * ssa.c (compute_conservative_reg_partition): Prototype.
9549 * tree.c (mark_hash_entry): Prototype.
9551 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9553 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9554 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9555 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9557 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9558 * objc/lang-specs.h: Likewise.
9560 2000-04-03 Neil Booth <NeilB@earthling.net>
9562 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9563 and SYNTAX_ERROR2. Replace `' in messages with ''.
9564 (op_to_str): Make re-entrant.
9565 (_cpp_parse_expr): Implement new error macros. Use | rather
9566 than || to logically or 2 boolean integers. Simply expression
9567 checking we have a left operand iff needed.
9569 2000-04-03 Nick Clifton <nickc@cygnus.com>
9571 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9573 2000-04-03 Philip Blundell <philb@gnu.org>
9575 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9577 2000-04-03 Felix Lee <flee@cygnus.com>
9579 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9580 (run_shell): Use it.
9582 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9584 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9585 (stmp-fixproto): ...rather than here.
9587 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9589 * pa.c (print_operand): Compute 'base' only inside the code paths
9592 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9594 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9597 2000-04-03 Philipp Thomas <pthomas@suse.de>
9599 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9601 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9603 * Makefile.in (alias.o): Depend on $(TREE_H).
9605 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9607 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9609 * cpplib.c (_cpp_handle_directive): Improve warnings for
9610 traditional C and indented directives.
9612 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9613 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9614 fixinc/inclhack.def: Indent the # of #include_next one space.
9615 * cp/rtti.c: Un-indent #if and #endif.
9617 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9618 syntax error, but an error has already been printed.
9619 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9620 message when called with nothing remaining on the line.
9621 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9622 OTHER token, not an ASSERTION.
9623 * cpplib.c (do_assert): When we create a 'base' node, clear
9624 its aschain pointer.
9626 2000-04-02 Neil Booth <NeilB@earthling.net>
9628 * cppexp.c: New typedef op_t. struct operation and struct
9629 token updated to use it.
9630 (op_to_str): New function.
9631 (_cpp_parse_expr): Error messages modified to use op_to_str.
9633 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9635 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9636 before checking MUST_PASS_IN_STACK.
9638 2000-04-02 Neil Booth <NeilB@earthling.net>
9640 * cppexp.c: New FINISHED dummy token. Combine operator initial
9641 flags and initial priority into a single constant. New
9642 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9643 (_parse_cpp_expr): Implement new constants. Take left operand
9644 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9645 parse indicated by reducing FINISHED token. Remove new lines
9646 from cpp_error messages.
9648 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9650 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9653 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9655 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9656 directive. Add origin values to DIRECTIVE_TABLE. Generate
9657 the strings and function names on the fly. Take the #sccs
9658 entry out of the table if SCCS_DIRECTIVE is not defined.
9659 (_cpp_handle_directive): Decide if the # was at the beginning
9660 of the line here. Issue -pedantic warnings for extended
9661 directives here. Warn about K+R directives with the #
9662 indented, and C89/extended directives with the # not indented,
9664 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9665 do_assert, do_unassert): Don't issue pedantic warning here.
9667 * cpphash.h: Add CPP_WTRADITIONAL macro.
9668 * cpplib.h (struct cpp_options): Rename warn_stringify to
9669 warn_traditional; update comments.
9670 * cppinit.c (handle_option): Set warn_traditional not
9672 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9673 CPP_WTRADITIONAL (pfile).
9674 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9675 be ignored in -traditional mode here.
9677 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9678 to initialize speccase[] and trigraph_map[]. Delete all
9679 references to pfile->input_speccase. Always treat '?' as a
9680 special character. Remove table-initialization code from
9681 _cpp_init_input_buffer.
9683 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9684 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9686 2000-04-01 Richard Henderson <rth@cygnus.com>
9688 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9689 (mostlyclean): Likewise.
9691 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9692 (struct dump_file_info, enum dump_file_index, dump_file): New.
9693 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9694 not a string. Clean out file if we havn't yet done so. Do nothing
9695 if the dump isn't enabled.
9696 (close_dump_file): Do nothing if the dump isn't open. Dump
9697 graph data if requested.
9698 (dump_rtl, clean_dump_file): Remove.
9699 (compile_file): Don't clean the dump files. Only finalize .bp dump
9700 if flag_test_coverage or flag_branch_probabilities. Only finalize
9701 .combine dump if optimizing. Iterate over dump_file to finalize the
9703 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9704 Convert all uses of dump_rtl.
9705 (decode_d_option): Iterate over dump_file to implement 'a' and to
9706 locate pass-specific dumps.
9708 2000-04-01 Neil Booth <NeilB@earthling.net>
9710 * cppexp.c: Redefine priority constants.
9711 (_cpp_parse_expr): Replace left and right priority scheme with
9712 single priority logic. Move LOGICAL to same place as COMPARE.
9713 Remove bogus check for multiple unary +/- operators.
9715 2000-04-01 Neil Booth <NeilB@earthling.net>
9717 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9718 within the switch statement. Binary operations break out of
9719 the switch naturally. '(' tokens handled by forcing
9720 immediate shift. ')' handled by forcing immediate reduce to
9721 the previous '('. New error messages.
9723 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9725 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9726 part', it's already in use. Use %K instead. Add a return at the
9727 end of what is now %K.
9728 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9730 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9732 * builtins.c (expand_builtin_apply): Pass proper parameters to
9733 allocate_dynamic_stack_space.
9734 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9735 update stack_pointer_delta; do not update arg_size_so_far.
9736 (compute_argument_block_size): Use stack_delta instead of
9737 stack_pointer_pending and arg_size_so_far.
9738 (expand_call): Add sanity checking for stack_pointer_delta;
9739 save and restore stack_pointer_delta for SIB, use
9740 stack_pointer_delta for alignment; do not update arg_space_so_far.
9741 (emit_library_call_value): Use stack_pointer_delta for alignment.
9742 (store_one_arg): Do not update arg_space_so_far.
9743 * explow.c (adjust_stack, anti_adjust_stack): Update
9744 stack_pointer_delta.
9745 (allocate_dynamic_stack_space): Add sanity checking for
9746 stack_pointer_delta.
9747 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9748 stack_pointer_delta.
9749 (emit_push_insn): Update stack_pointer_delta.
9750 * function.h (struct expr_status): Add x_stack_pointer_delta;
9751 remove x_arg_space_so_far.
9752 (arg_space_so_far): Remove.
9753 (stack_pointer_delta): New macro.
9755 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9757 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9758 Reorder struct cpp_options and struct cpp_reader for better
9759 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9760 takes two args. Change all 'char' flags to 'unsigned char'.
9761 Move show_column flag into struct cpp_options. Don't
9762 prototype cpp_options_init.
9763 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9764 cppinit.c, cpplex.c, cpplib.c:
9765 Replace CPP_OPTIONS (pfile)->whatever with
9766 CPP_OPTION (pfile, whatever), and likewise for
9767 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9769 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9770 Extract CPP_OPTION (pfile, pending) and work with that
9772 (cpp_options_init): Delete.
9773 (cpp_reader_init): Turn on on-by-default options here.
9774 Allocate the pending structure here.
9775 (cl_options, enum opt_code): Define these from the same table,
9776 kept in a large macro. Add -fshow-column and -fno-show-column
9779 * cpperror.c (v_message): If show_column is off, don't print
9782 * cppmain.c: Update for new interface.
9783 * fix-header.c: Likewise.
9785 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9787 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9789 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9790 are passed to any invocation of AR_FOR_TARGET.
9791 (AR_CREATE_FOR_TARGET): New macro.
9792 (AR_EXTRACT_FOR_TARGET): New macro.
9793 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9794 AR_EXTRACT_FOR_TARGET.
9795 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9796 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9797 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9798 AR_EXTRACT_FOR_TARGET to sub-makes.
9800 2000-03-31 Neil Booth <NeilB@earthling.net>
9802 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9804 (_cpp_parse_expr): Check for multiple unary +/- operators.
9805 Correct priorities of ':' and '?'. Treat ')' as having a
9806 value. Ensure conditional expression is not void.
9808 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9810 * alias.c (canon_rtx): Make it global.
9811 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9813 * cse.c (struct table_elt): Add canon_exp.
9815 (invalidate): Canonicalize expressions only once.
9816 * rtl.h (canon_rtx): Declare.
9818 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9820 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9821 * alias.c (reg_known_value): Add comments.
9822 (init_alias_analysis): Likewise.
9823 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9825 (cse_basic_block): Fix typo in comment.
9826 * emit-rtl.c: Include hashtab.h.
9827 (const_int_htab): New variable.
9828 (const_int_htab_hash): New function.
9829 (const_int_htab_eq): Likewise.
9830 (rtx_htab_mark_1): Likewise.
9831 (rtx_htab_mark): Likewise.
9832 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9833 (unshare_all_rtx): Fix formatting.
9834 (init_emit_once): Initialize const_int_htab.
9835 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9837 * rtl.texi: Document the fact that all CONST_INTs with the same
9840 2000-03-30 Richard Henderson <rth@cygnus.com>
9842 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9844 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9846 * configure.in: Comment out --enable-c-cpplib stanza.
9847 * configure: Regenerate.
9849 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9851 * expr.c (store_constructor): Properly compute displacement and
9852 alignment when offset is variable.
9854 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9855 cases of alignment in bytes.
9857 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9859 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9860 since it is used to generate c-parse.y.
9861 * objc-parse.c, objc-parse.y: Regenerated.
9863 * function.c (expand_function_end): Pass alignment argument to
9864 emit_block_move in bits, not bytes.
9866 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9868 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9871 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9873 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9874 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9875 * function.c (assign_parms): Likewise.
9876 * integrate.c (expand_inline_function): Likewise.
9877 * stmt.c (expand_decl): Likewise.
9878 (copy_rtx_and_substitute): Likewise.
9879 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9880 (clear_by_pieces): Fix error in last change.
9881 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9882 * function.h (regno_pointer_align): Now unsigned.
9883 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9885 * config/i386/i386.c (aligned_operand): Likewise.
9886 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9887 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9888 (unaligned_memory_operand): Likewise.
9889 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9890 Also make alignments and sizes unsigned and some whitespace cleanup.
9891 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9893 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9894 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9895 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9896 (expand_builtin_memset): Likewise, but to clear_storage.
9897 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9898 (restore_fixed_argument_area): Likewise.
9899 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9900 (load_register_parameters): Likewise, to emit_group_load.
9901 (expand_call): Likewise, to emit_group_store and emit_block_move.
9902 (emit_library_call_value_1): Likewise, to emit_block_move.
9903 (store_one_arg): Likewise, and to emit_push_insn.
9904 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
9905 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
9906 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
9907 (emit_block_move, emit_group_load, emit_group_store): Likewise.
9908 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
9909 (expand_assigment, store_expr, store_constructor_field): Likewise.
9910 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
9911 (store_constructor, store_field, get_inner_reference): Likewise.
9912 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
9913 (expand_expr, case COMPONENT_REF): Likewise.
9914 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
9915 and positions; reindent code.
9916 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
9917 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
9918 (assign_parms): Likewise to emit_group_store.
9919 * optabs.c (prepare_cmp_insn): Alignment is in bits.
9920 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
9921 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
9922 (expand_return): Likewise to {extract,store}_bit_field.
9923 * stor-layout.c (get_mode_alignment): Minor cleanup.
9924 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
9925 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
9927 2000-03-29 Nick Clifton <nickc@cygnus.com>
9929 * config/arm/arm.h: Undo effects of previous delta:
9930 (ASM_SPEC): Do not define.
9931 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
9933 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
9936 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9938 * cppinit.c (cpp_start_read): Call initialize_dependency_output
9939 only after reading in the primary source file.
9941 2000-03-29 Geoff Keating <geoffk@cygnus.com>
9943 * c-common.c (c_common_nodes_and_builtins): The first parameter to
9944 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
9945 or a reference to a va_list.
9946 * builtins.c (stabilize_va_list): Simplify now we don't have to
9947 work around C array address decay.
9948 * c-typeck.c (convert_for_assignment): Handle assignment to
9949 a reference parameter by taking the address of the RHS.
9950 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
9951 (va_copy): Likewise.
9952 (__va_copy): Likewise.
9953 * ginclude/varargs.h (va_start): Likewise.
9954 (__va_copy): Likewise.
9956 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
9958 * i386/djgpp.h: Remove extraneous "+".
9960 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
9962 * calls.c (expand_call): Fix typo in last change.
9964 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
9966 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
9969 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9971 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
9972 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
9973 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
9974 * tree.c (bit_position, byte_position): Likewise.
9975 * tree.h: Declare new functions.
9977 2000-03-29 Nick Clifton <nickc@cygnus.com>
9979 * config/arm/arm.c: Minor formatting changes/
9980 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9982 (ASM_SPEC): Define if not already defined.
9984 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
9986 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
9989 2000-03-29 Jakub Jelinek <jakub@redhat.com>
9991 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
9992 value, don't output it as unsigned.
9994 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
9996 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
9998 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10000 * c-common.c (c_common_nodes_and_builtins): Don't special case
10001 cplus_mode when declaring builtin bzero/bcmp, always avoid
10002 prototype arguments.
10004 2000-03-29 Bruce Korb <bkorb@gnu.org>
10006 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10009 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10011 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10012 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10013 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10014 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10015 (save_fixed_argument_area, restore_fixed_argument_area):
10016 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10017 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10018 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10019 (precompute_register_parameters): Avoid #ifdefs on
10020 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10021 (stire_one_args): Likewise.
10022 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10023 (emit_library_call_value_1): Likewise.
10024 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10025 ACCUMULATE_OUTGOING_ARGS.
10026 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10028 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10029 (use_crosses_set_p): Likewise.
10030 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10031 #define ACCUMULATE_OUTGOING_ARGS 1.
10032 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10034 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10036 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10037 (TARGET_SWITCHES): Add push-args, no-push-args,
10038 accumulate-outgoing-args and no-accumulate-outgoing-args.
10039 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10040 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10041 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10043 (emit_push_insn): Likewise.
10044 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10045 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10046 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10047 (STACK_DYNAMIC_OFFSET): Define correctly for both
10048 ACCUMULATE_OUTGOING_ARGS and normal mode.
10049 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10050 * tm.texi (PUSH_ARGS): Document.
10051 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10053 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10055 * flags.h (flag_optimize_sibling_calls): Declare.
10056 * calls.c (expand_call): Fail sibcall when
10057 !flag_optimize_sibling_calls
10058 * invoke.texi (flag_optimize_sibling_calls): Document.
10059 * toplev.c (flag_optimize_sibling_calls): New global variable.
10060 (f_options): Add flag_optimize_sibling_calls.
10061 (rest_of_compilation): Conditionize
10062 optimize_sibling_and_tail_recursive_calls by
10063 flag_optimize_sibling_calls.
10064 (main): Set flag_optimize_sibling_calls for -O2.
10065 * stmt.c (expand_return): Conditionize tail recursion by
10066 flag_optimize_sibling_calls.
10068 2000-03-29 Richard Henderson <rth@cygnus.com>
10070 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10071 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10073 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10075 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10077 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10079 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10081 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10082 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10083 * config/rs6000/aix.h: then modified likewise.
10085 2000-03-28 Richard Henderson <rth@cygnus.com>
10087 * rtl.h: Redistribute enum reg_note documentation.
10088 Kill trailing whitespace.
10089 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10090 Kill trailing whitespace.
10092 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10094 * cppfiles.c (hash_IHASH): Just return i->hash.
10095 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10096 htab_find_with_hash.
10097 (cpp_read_file): Likewise.
10098 (find_include_file): Likewise. Properly initialize
10099 ih->nshort. Share ih->name and ih->nshort if possible.
10100 * cpphash.c (_cpp_calc_hash): New function.
10101 (hash_HASHNODE): Just return h->hash.
10102 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10103 htab_find_with_hash.
10104 * cpphash.h: Prototype _cpp_calc_hash.
10105 * cppinit.c (initialize_builtins): Provide a valid hash
10106 to _cpp_make_hashnode, using _cpp_calc_hash.
10108 * cpphash.c (collect_expansion): # is not a special character
10109 in object-like macros. In -traditional mode, /**/ is not
10110 token paste at the beginning or end of the line.
10111 * cpplib.c (do_include, do_import, do_include_next): If
10112 parse_include fails, return immediately.
10114 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10116 * config/arm/arm.md (return peepholes): Update to reflect the new
10117 call insn patterns.
10118 * config/arm/arm.c (arm_volatile_func): Also check
10119 current_function_nothrow.
10120 (output_return_instruction, output_func_prologue): Use it.
10121 (arm_output_epilogue, arm_expand_prologue): Likewise.
10123 2000-03-27 Tom Tromey <tromey@cygnus.com>
10125 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10128 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10130 * expr.c (store_constructor): SIZE now signed.
10131 For EXPR_SIZE, don't evaluate size; just needed if constant.
10132 * fold-const.c (fold): Fix a number of cases when folded tree is
10134 * function.c (flush_addressof): Reenable.
10135 * tree.h (flush_addressof): Likewise.
10136 * toplev.c (independent_decode_option): Look at strings_processed.
10137 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10139 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10141 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10142 Allow stack adjustment after function call.
10144 * regmove.c (struct csa_memlist): Make mem field rtx *.
10145 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10146 (try_apply_stack_adjustment): Replace whole MEM rtx.
10147 (combine_stack_adjustments_for_block): Update calls
10148 to record_one_stack_ref.
10150 2000-03-28 Neil Booth <NeilB@earthling.net>
10152 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10153 '\\' rather than a null character, so nulls are not special. Fix
10154 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10155 speed trigraph conversion.
10156 (_cpp_init_input_buffer): Initialize trigraph map.
10158 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10160 * config/i386/i386.c (output_387_binary_op): Correct intel
10161 mode assembly output, and add spaces after commas in AT&T
10162 output. Correct Unixware assembler comment. Document input
10163 constraints. Comment fp operations. Reduce profligate buffer
10164 size. Remove extraneous abort. Localize temp var.
10165 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10166 (output_fix_trunc): Add spaces after commas in assembly output.
10168 2000-03-27 Richard Henderson <rth@cygnus.com>
10170 * i386-protos.h (ix86_match_ccmode): Declare.
10171 * i386.c (ix86_match_ccmode): New.
10172 (ix86_expand_fp_compare): Update for pattern renames.
10173 (ix86_expand_strlensi_unroll_1): Likewise.
10174 * i386.h (EXTRA_CC_MODES): Add CCZ.
10175 (SELECT_CC_MODE): Use it for EQ/NE zero.
10176 * i386.md (cmpsi_ccz_1): New.
10177 (cmpqi_ccz_1): New.
10178 (*testsi_ccz_1): New.
10179 (testqi_ccz_1): New.
10180 (cmpsi_ccno_1): Rename from cmpsi_0.
10181 (testsi_ccno_1): Rename from testsi_1.
10182 (testqi_ccno_1): Rename from testqi_1.
10183 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10184 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10185 (*cmphi_0): Use ix86_match_ccmode.
10186 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10187 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10188 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10189 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10190 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10191 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10192 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10193 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10194 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10195 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10196 (appropriate peepholes): Likewise.
10197 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10198 (*subsi_3, *subhi_3, *subqi_3): Remove.
10199 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10200 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10201 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10202 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10203 (x86_shift_adj_1): Use CCZ.
10204 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10206 2000-03-27 Stan Cox <scox@cygnus.com>
10208 * resource.h (mark_resource_type): New.
10209 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10210 find_free_register): Use mark_resource_type.
10211 (mark_set_resources): Change include_delayed_effects
10212 to mark_resource_type.
10213 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10214 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10215 Use mark_resource_type.
10217 2000-03-27 Richard Henderson <rth@cygnus.com>
10219 * i386.md (call_pop_0, call_value_pop_0): New.
10220 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10221 (call_value_pop_1): Likewise.
10222 (call_0, call_value_0): New.
10223 (call_1, call_value_1): Remove constraint from unused arg.
10225 2000-03-27 Nick Clifton <nickc@cygnus.com>
10227 * invoke.texi (Spec Files): Document new spec % command created by
10228 Tom Tromey's recent patch.
10230 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10232 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10235 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10237 * expr.c (expand_assignment): Fix typo in last change.
10239 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10241 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10243 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10244 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10245 and DECL_INLINE if FUNCTION_DECL.
10246 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10247 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10248 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10249 (combine_parm_decls): Likewise.
10250 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10251 * print-tree.c (print_node): Likewise.
10252 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10253 DECL_TRANSPARENT_UNION on proper decl types.
10254 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10255 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10256 DECL_BIT_FIELD of FIELD_DECL.
10257 * tree.h (DECL_RESULT_FLD): New macro.
10259 * expr.c (expand_assignment): Add code to handle variable-sized
10262 2000-03-26 Richard Henderson <rth@cygnus.com>
10264 * calls.c (expand_call): Pass parms not original exp to
10265 optimize_tail_recursion. Mind return value instead of looking
10267 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10268 call_expr. Move checks for call_expr and current_function_decl ...
10269 (expand_return): ... here.
10271 2000-03-26 Tom Tromey <tromey@cygnus.com>
10273 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10274 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10276 (process_command): Use them.
10277 (check_live_switch): Likewise.
10278 (give_switch): Skip ignored switches.
10280 2000-03-26 Jan Hubicka <jh@suse.cz>
10282 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10283 for minimal jump pass test.
10285 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10287 * integrate.c (function_cannot_inline_p): Do inline functions that
10290 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10292 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10293 now a list of TREE_LIST entries, not types.
10294 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10296 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10297 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10299 * config/mips/mips.c (function_arg): Likewise; also remove cast
10300 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10301 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10302 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10303 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10304 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10305 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10306 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10307 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10308 num_adjusts now unsigned.
10309 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10310 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10311 NREGS now unsigned.
10312 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10313 as is BITPOS variable; use host_integerp and int_bit_position.
10314 (function_arg_record_value_2): Likewise.
10315 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10316 Variable REGNO now unsigned.
10317 (function_arg_record_value): NREGS now unsigned.
10319 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10321 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10323 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10325 * Rework fields used to describe positions of bitfields and
10326 modify sizes to be unsigned and use HOST_WIDE_INT.
10327 * alias.c (reg_known_value_size): Now unsigned.
10328 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10329 (really_start_incremental_init): Use bitsize_zero_node.
10330 (push_init_level, pop_init_level, output_init_element): Likewise.
10331 Use bitsize_unit_node and bitsize_one_node.
10332 (output_pending_init_elements, process_init_element): Likewise.
10333 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10334 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10335 HOST_WIDE_INT, respectively.
10336 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10337 (num_sign_bit_copies): Returns unsigned.
10338 BITWIDTH now unsigned; rework arithmetic.
10339 Remove recursive call from arg to MAX.
10340 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10341 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10342 REGNO now unsigned.
10343 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10344 (find_split_point, expand_compound_operation, make_extraction): LEN
10345 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10346 (make_field_assignment): Likewise.
10347 (combine_simplify_rtx): Add cast.
10348 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10349 (force_to_mode): WIDTH now unsigned; add cast.
10350 (if_then_else_cond): SIZE now unsigned.
10351 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10352 (extended_count): Now returns unsigned.
10353 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10354 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10355 (simplify_comparison): MODE_WIDTH now unsigned.
10356 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10357 (mark_used_regs_combine): Likewise; rework arithmetic.
10358 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10359 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10360 (record_promoted_value): REGNO now unsigned.
10361 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10362 (get_last_value): REGNO now unsigned.
10363 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10364 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10365 (remove_death): Arg REGNO now unsigned.
10366 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10367 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10369 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10370 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10371 (struct cse_reg_info): REGNO now unsigned.
10372 (cached_regno): Now unsigned.
10373 (REGNO_QTY_VALID_P): Add cast.
10374 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10375 (remove_invalid_regs): Likewise.
10376 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10377 as are variables END and I.
10378 (get_cse_reg_info, insert): Likewise.
10379 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10380 (canon_hash): Likewise.
10381 (insert_regs, lookup_for_remove): REGNO now unsigned.
10382 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10384 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10385 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10386 * emit-rtl.c (subreg_realpart_p): Add cast.
10387 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10388 (operand_subword_force): Arg I is now unsigned.
10389 * except.c (eh_regs): Variable I is now unsigned.
10390 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10391 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10392 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10393 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10394 (extract_split_bit_field, store_bit_field, extract_bit_field):
10396 * expr.c (store_constructor_fields, store_constructor, store_field):
10397 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10398 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10399 (do_jump): Likewise.
10400 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10401 MAX_SIZE is now unsigned.
10402 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10403 (emit_group_store): Likewise.
10404 (emit_move_insn): I now unsigned.
10405 (store_constructor): Use host_integerp, tree_low_cst, and
10407 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10408 Rework all calculations to use trees and new fields.
10409 * expr.h (promoted_input_arg): Regno now unsigned.
10410 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10411 (mark_seen_cases): Arg is HOST_WIDE_INT.
10412 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10413 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10414 precisions and alignments are unsigned.
10415 (optimize_bit_field_compare, fold_truthop): Likewise.
10416 (int_const_binop): Adjust threshold for size_int_type_wide call.
10417 (fold_convert): Likewise.
10418 (size_int_type_wide): Make table larger and fix thinko that only
10419 had half of table used.
10420 (all_ones_mask_p, fold): Precisions are unsigned.
10421 * function.c (put_reg_info_stack): REGNO is unsigned.
10422 (instantiate_decl): Size is HOST_WIDE_INT.
10423 (instantiate_virtual_regs): I is unsigned.
10424 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10425 (promoted_input_arg): REGNO is unsigned.
10426 * function.h (struct function): x_max_parm_reg is now unsigned.
10427 * gcse.c (max_gcse_regno): Now unsigned.
10428 (struct null_pointer_info): min_reg and max_reg now unsigned.
10429 (lookup_set, next_set): REGNO arg now unsigned.
10430 (compute_hash_table): REGNO and I now unsigned.
10431 (handle_avail_expr): regnum_for_replacing now unsigned.
10432 (cprop_insn): REGNO now unsigned.
10433 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10434 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10435 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10436 * hard-reg-set.h (reg_class_size): Now unsigned.
10437 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10438 * jump.c (mark_modified_reg): I now unsigned; add cast.
10439 (rtx_equal_for_thread_p): Add cast.
10440 * loop.c (max_reg_before_loop): Now unsigned.
10441 (struct_movable): REGNO now unsigned.
10442 (try_copy_prop): REGNO arg unsigned.
10443 (regs_match_p): XN and YN now unsigned.
10444 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10445 (strength_reduce): Likewise; NREGS also unsigned.
10446 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10447 * loop.h (struct iv_class): REGNO now unsigned.
10448 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10450 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10451 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10452 * optabs.c (expand_binop): I and NWORDS now unsigned.
10453 (expand_unop): I now unsigned.
10454 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10455 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10456 * real.c (significand_size): Now returns unsigned.
10457 * real.h (significand_size): Likewise.
10458 * regclass.c (reg_class_size): Now unsigned.
10459 (choose_hard_reg_mode): Both operands now unsigned.
10460 (record_reg_classes): REGNO and NR now unsigned.
10461 (reg_scan): NREGS now unsigned.
10462 (reg_scan_update): old_max_regno now unsigned.
10463 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10464 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10465 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10466 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10467 Likewise for variable R.
10468 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10469 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10470 (find_equiv_reg): Add casts.
10471 (regno_clobbered_p): Arg REGNO now unsigned.
10472 * reload.h (struct reload): NREGS now unsigned.
10473 (refers_to_regno_for_reload_p): Regno args are unsigned.
10474 (regno_clobbered_p): Likewise.
10475 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10476 (compute_use_by_pseudos): REGNO now unsigned.
10477 (find_reg): I and J now unsigned, new variable K, and change loop
10478 variables accordingly; THIS_NREGS now unsigned.
10479 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10480 (spill_hard_reg): REGNO arg now unsigned; add casts.
10481 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10482 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10483 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10484 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10485 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10486 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10487 (emit_reload_insns): REGNO now unsigned.
10488 (reload_cse_move2add): Add cast.
10489 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10491 * resource.c (mark_referenced_resources, mark_set_resources): New
10492 variable R; REGNO and LAST_REGNO now unsigned.
10493 (mark_target_live_regs): J and REGNO now unsigned.
10494 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10495 * rtl.h (union rtunion_def): New field rtuint.
10496 (XCUINT): New macro.
10497 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10498 (operand_subword, operand_subword_force): Word number is unsigned.
10499 (choose_hard_reg_mode): Operands are unsigned.
10500 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10501 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10502 (regno_use_in, combine_instructions, remove_death): Likewise.
10503 (reg_scan, reg_scan_update): Likewise.
10504 (extended_count): Return is unsigned.
10505 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10506 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10507 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10508 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10509 (reg_reg_last_1): FIRS and LAST now unsigned.
10510 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10511 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10513 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10514 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10515 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10516 (replace_regs): Arg NREGS now unsigned.
10517 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10518 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10519 (simplify_binary_operation): Likewise.
10520 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10521 THIS_LAST now unsigned.
10522 (cselib_record_set): Add cast.
10523 * ssa.c (ssa_max_reg_num): Now unsigned.
10524 (rename_block): REGNO now unsigned.
10525 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10526 sizes now unsigned.
10527 (all_cases_count): Just return -1 not -2.
10528 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10529 Rework tests to use trees whenever possible.
10530 Use host_integerp and tree_low_cst.
10531 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10532 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10533 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10534 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10535 (smallest_mode_for_size): Likewise.
10536 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10537 KNOWN_ALIGN is now an alignment, so simplify code.
10538 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10539 (start_record_layout): Renamed from new_record_layout_info.
10540 Update to new fields.
10541 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10543 (place_union_field): Renamed from layout_union_field.
10544 Update to use new fields in rli.
10545 (place_field): Renamed from layout_field.
10546 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10547 (finalize_record_size): Rework to use new fields in rli and handle
10549 (compute_record_mode): Rework to simplify and to use new DECL fields.
10550 (finalize_type_size): Make rounding more consistent.
10551 (finish_union_layout): Deleted.
10552 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10553 (layout_type, case RECORD_TYPE): Call new function names.
10554 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10555 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10556 (get_best_mode): UNIT is now unsigned; remove casts.
10557 * tree.c (bit_position): Compute from new fields.
10558 (byte_position, int_byte_position): New functions.
10559 (print_type_hash_statistics): Cast to remove warning.
10560 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10561 (build_index_type): Likewise; make subtype of sizetype.
10562 (build_index_2_type): Pass sizetype to build_range_type.
10563 (build_common_tree_nodes): Use size_int and bitsize_int to
10564 initialize nodes; add bitsize_{zero,one,unit}_node.
10565 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10566 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10567 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10568 (DECL_FIELD_BITPOS): Deleted.
10569 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10570 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10571 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10572 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10573 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10574 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10575 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10576 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10577 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10578 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10579 (DECL_ALIGN): Adjust to new field in union.
10580 (DECL_OFFSET_ALIGN): New field.
10581 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10582 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10583 (union tree_decl): Add struct for both aligns.
10584 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10585 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10586 (struct record_layout_info): Rework fields to have offset
10587 alignment and byte and bit position.
10588 (start_record_layout, place_field): Renamed from old names.
10589 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10590 (byte_position, int_byte_position): Likewise.
10591 (get_inner_reference): Change types of position and length.
10592 * unroll.c (unroll_loop): New variable R; use for some loops.
10593 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10594 (calculate_giv_inc): Arg REGNO now unsigned.
10595 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10596 * varasm.c (assemble_variable): Clean up handling of size using
10597 host_integerp and tree_low_cst.
10598 (decode_addr_const): Use byte, not bit, position.
10599 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10600 use tree_low_cst and int_bit_position.
10601 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10603 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10605 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10606 (reorder_block_def): New members eff_head and eff_end.
10607 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10608 (verify_insn_chain): New function.
10609 (skip_insns_between_block): Add code to skip deleted insns.
10610 Check for note before using.
10611 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10612 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10613 Check for note before using.
10614 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10615 (fixup_reorder_chain): Restructure, clean up, defect removal.
10616 (reorder_basic_blocks): Remove last_insn and references to it.
10617 Moved insn chain verification code into a new function (see above).
10618 Delete defective code that sets last insn.
10619 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10622 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10624 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10626 2000-03-24 Richard Henderson <rth@cygnus.com>
10628 * tree.c (lang_safe_for_unsave): Remove.
10629 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10630 allowing for two levels of unsafeness. Remove lang hook.
10631 * tree.h: Update declarations.
10632 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10633 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10634 Always fail sibcalls when there are pending cleanups.
10636 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10638 * flow.c (propagate_block): When we delete an ADDR_VEC,
10639 also delete the BARRIER following it if there is one.
10641 2000-03-24 Richard Henderson <rth@cygnus.com>
10643 * builtins.c (expand_builtin_bzero): Convert `length' argument
10646 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10648 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10649 comparison if regno's are equal.
10650 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10651 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10652 (expand_call): Update caller.
10653 Avoid making a sibling call if argument size of the callee is larger
10654 than argument size of the caller.
10655 Call hard_function_value with outgoing set if in sibcall pass.
10656 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10658 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10659 Change LEAF_REGISTERS from an array initializer to actual array
10660 identifier. Move static global variable into the function.
10661 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10662 sequences for leaf functions.
10663 * global.c (global_alloc): Likewise.
10664 * tm.texi (LEAF_REGISTERS): Update documentation.
10666 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10667 TARGET_FLAT leaf disabling hack.
10668 (LEAF_REGISTERS): Changed from an array initializer to actual array
10669 identifier to avoid duplication and remove the above hack.
10670 (FUNCTION_OK_FOR_SIBCALL): Define.
10671 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10672 always like call attribute.
10673 (eligible_for_sibcall_delay): New attribute.
10674 (sibcall): New delay type.
10675 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10676 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10677 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10678 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10679 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10681 (output_function_epilogue): Move part of the code into
10682 output_restore_regs.
10683 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10685 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10688 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10689 until infrastructure is finished.
10691 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10693 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10694 (save_parm_insns): Not here.
10696 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10698 * builtins.c (expand_builtin_bzero): New function.
10699 (expand_builtin): Handle bzero.
10701 * builtins.def: Add BUILT_IN_BZERO.
10703 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10704 prototype & function for bzero.
10706 2000-03-23 Michael Meissner <meissner@redhat.com>
10708 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10709 change adding TARGET_FP to the TF floating point insns, except for
10710 trunctfsf2, which generates direct calls to truncdfsf2.
10712 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10714 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10715 try to protect against middle-end changes that break binary
10717 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10719 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10721 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10723 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10725 * calls.c (expand_call): If TARGET is passed by reference and
10726 is readonly, write a CLOBBER.
10728 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10730 * builtins.c (expand_builtin): Handle bcmp.
10732 * builtins.def: Add BUILT_IN_BCMP.
10734 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10735 prototype & function for bcmp.
10737 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10739 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10740 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10741 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10743 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10745 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10746 alternative when using -fp64 -gp32.
10748 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10750 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10751 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10752 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10754 * frame.h (frame_state): Revert last change.
10755 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10756 * libgcc2.c (throw_helper): Revert last change.
10758 2000-03-22 Richard Henderson <rth@cygnus.com>
10760 * stmt.c (expand_asm_operands): Don't promote the temporary.
10762 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10764 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10765 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10766 c_get_alias_set): Likewise.
10767 * c-decl.c (duplicate_decls): Likewise.
10768 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10769 * calls.c (initialize_argument_information): Likewise.
10770 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10772 * dwarfout.c (decl_class_context,output_type): Likewise.
10773 * expr.c (get_inner_reference): Likewise.
10774 * fold-const.c (simple_operand_p,fold): Likewise.
10775 * function.c (aggregate_value_p): Likewise.
10776 * stmt.c (expand_asm_operands): Likewise.
10777 * varasm.c (named_section): Likewise.
10779 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10781 Implement dwarf2 exception handling for the ARM.
10782 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10783 (DWARF_FRAME_RETURN_COLUMN): Define.
10784 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10785 REG_FRAME_RELATED_EXPR note.
10786 (emit_sfm): Likewise.
10787 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10788 * dwarf2out.c (reg_save): Handle saving a register to itself.
10789 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10790 * except.c (eh_regs): Don't use the static chain reg if it's
10792 * frame.h (frame_state): Add cfa_saved field.
10793 * frame.c (execute_cfa_insn): Set it.
10794 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10796 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10798 (instantiate_virtual_regs): Adjust.
10800 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10801 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10802 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10804 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10805 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10807 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10809 * builtins.def: New file.
10811 * Makefile.in (TREE_H): Depend on builtins.def.
10813 * builtins.c (built_in_names): Use builtins.def.
10815 * tree.h (built_in_function): Likewise.
10817 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10819 * tree.c (size_in_bytes): Return size_zero_node, not
10822 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10824 * config/fp-bit.c (pack_d): Correct the case when a denormal
10825 is rounded up and stops being denormal.
10827 2000-03-21 Richard Henderson <rth@cygnus.com>
10829 * config/alpha/alpha.c (function_arg): Check for void_type_node
10830 before using MUST_PASS_IN_STACK.
10832 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10834 * regmove.c (combine_stack_adjustments_for_block): Check that
10835 the stack pointer is a valid memory address.
10837 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10839 * calls.c: re-install Mar 16 emit_library_call merge.
10841 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10843 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10844 we cannot be sure that if reload_completed base register will
10845 be properly aligned.
10847 2000-03-21 Richard Henderson <rth@cygnus.com>
10849 * flow.c (delete_block): Fix typo last change.
10851 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10853 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10854 not COMPLETE_TYPE_P, to check the type of the expression.
10856 2000-03-21 Michael Meissner <meissner@redhat.com>
10858 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10859 all floating point insns that just tested the macro
10860 TARGET_HAS_XFLOATING_LIBS.
10861 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10862 used to only use the gprs.
10864 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10866 * tree.h (COMPLETE_TYPE_P): New macro.
10867 (COMPLETE_OR_VOID_TYPE_P): New macro.
10868 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10869 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10870 * c-aux-info.c (gen_type): Use them.
10871 * c-common.c (c_expand_expr_stmt): Likewise.
10872 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10873 grokdeclarator, grokparms, finish_struct, start_function,
10874 store_parm_decls, combine_parm_decls): Likewise.
10875 * c-parse.y (cast_expr): Likewise.
10876 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10877 c_size_in_bytes, c_alignof, build_component_ref,
10878 build_indirect_ref, build_array_ref, convert_arguments,
10879 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10880 * calls.c (initialize_argument_information): Likewise.
10881 * convert.c (convert_to_integer): Likewise.
10882 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10883 * dwarfout.c (location_or_const_value_attribute,
10884 output_enumeration_type_die, output_structure_type_die,
10885 output_union_type_die, output_type): Likewise.
10886 * expr.c (safe_from_p, expand_expr): Likewise.
10887 * function.c (assign_parms): Likewise.
10888 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10889 * tree.c (build_array_type, build_function_type,
10890 build_method_type, build_offset_type, build_complex_type): Likewise.
10891 * c-parse.c, c-parse.h: Regenerated.
10893 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10895 * config/c4x/rtems.h: Include config/rtems.h.
10897 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10899 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10900 decl is a FUNCTION_DECL
10902 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
10904 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
10905 function uses output registers. Don't save RP for leaf functions.
10906 Do save RP even if no epilogue.
10907 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
10908 (CALL_USED_REGISTERS): Unmark in registers.
10909 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
10910 to near the middle.
10912 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10914 * config/rs6000/rs6000.md (bunordered): New expander.
10915 (bordered): New expander.
10916 (buneq): New expander.
10917 (bunge): New expander.
10918 (bungt): New expander.
10919 (bunle): New expander.
10920 (bunlt): New expander.
10921 (bltgt): New expander.
10923 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
10924 (ccr_bit_negated_p): New function.
10925 (print_operand): For %C, generate appropriate cror for UNEQ,
10926 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
10928 2000-03-20 Andreas Jaeger <aj@suse.de>
10930 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
10933 * tree.h (safe_for_unsave): Prototype.
10935 2000-03-20 Richard Henderson <rth@cygnus.com>
10937 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
10938 (combine_stack_adjustments_for_block): Don't allow sp references
10939 in the side of a set we're not fixing up.
10940 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
10941 after life_analysis.
10943 2000-03-20 Richard Henderson <rth@cygnus.com>
10945 * calls.c (expand_call): Don't bother generating tail call
10946 sequences if there are pending cleanups. Use
10947 expand_start_target_temps/expand_end_target_temps to elide
10948 cleanups created during sibcall expansion.
10950 2000-03-20 Geoff Keating <geoffk@cygnus.com>
10952 * configure.in: Set $IFS to a value if it doesn't already have one
10953 in the --enable-checking handling.
10954 * configure: Regenerate.
10956 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10958 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
10959 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
10962 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
10964 * jump.c (delete_noop_moves): Remove code attempting to
10965 combine stack adjustments.
10967 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10969 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
10970 * except.c (emit_cleanup_handler): Use them.
10971 (expand_end_all_catch): Likewise.
10972 * function.c (fixup_var_refs): Likewise.
10973 (expand_function_end): Clear catch_clauses_last.
10974 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
10975 * except.h (struct eh_status): New field x_catch_clauses_last.
10976 (catch_clauses_last): New define.
10978 * Makefile.in (tree.o): Depend on HASHTAB_H.
10979 * tree.c: Include hashtab.h.
10980 (struct type_hash): Remove next field.
10981 (TYPE_HASH_SIZE): Remove.
10982 (TYPE_HASH_INITIAL_SIZE): New define.
10983 (type_hash_table): Change type to htab_t.
10984 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
10985 mark_hash_entry): New functions.
10986 (init_obstacks): Allocate type hash.
10987 (type_hash_lookup): Use htab functions.
10988 (type_hash_add, mark_type_hash): Likewise.
10989 (dump_tree_statistics): Call print_type_hash_statistics.
10991 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10993 * rs6000/t-aix41: New file.
10995 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
10997 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
10999 * tm.texi (Driver): Fix typos and tweak entry for
11001 Move misplaced STRUCT_FORCE_BLK entry ...
11002 (Storage Layout): ... to here.
11003 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11005 2000-03-19 Richard Henderson <rth@cygnus.com>
11007 * flow.c (delete_block): Delete the addr_vec along with the block.
11008 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11011 * fold-const.c (extract_muldiv): Apply type check for defined
11012 overflow to multiply as well as divide.
11014 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11016 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11018 * emit-rtl.c (remove_unncessary_notes): Check that all
11019 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11020 associated NOTE_BLOCK.
11021 * function.h (identify_blocks): Update comments.
11022 (reorder_blocks): Declare.
11023 * function.c (identify_blocks): Don't take paramters.
11024 (reorder_blocks): Don't take parameters.
11025 * loop.h (find_loop_tree_blocks): Remove.
11026 (unroll_block_trees): Likewise.
11027 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11028 reorder_blocks instead of unroll_block_trees.h
11029 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11030 * stmt.c (find_loop_tree_blocks): Remove.
11031 (unroll_block_trees): Likewise.
11032 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11033 in whole-function mode.
11034 * tree.h (reorder_blocks): Remove declaration.
11036 * expr.c: Include intl.h.
11037 * Makefile.in (expr.o): Depend on intl.h.
11039 2000-03-18 Richard Henderson <rth@cygnus.com>
11041 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11043 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11045 * tree.h (tree_index): Remove enumerals for integer types.
11046 (integer_type_kind): New type.
11047 (integer_types): New variable.
11048 (char_type_node): Adjust.
11049 (signed_char_type_node): Likewise.
11050 (unsigned_char_type_node): Likewise.
11051 (short_integer_type_node): Likewise.
11052 (short_unsigned_type_node): Likewise.
11053 (integer_type_node): Likewise.
11054 (unsigned_type_node): Likewise.
11055 (long_integer_type_node): Likewise.
11056 (long_unsigned_type_node): Likewise.
11057 (long_long_integer_type_node): Likewise.
11058 (long_long_unsigned_type_node): Likewise.
11059 * tree.c (integer_types): New variable.
11060 (init_obstacks): Register it as a root.
11062 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11064 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11065 NEXT_INSN. Update last insn in chain.
11067 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11069 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11070 with TYPE_DECL_SUPPRESS_DEBUG set.
11072 2000-03-18 Richard Henderson <rth@cygnus.com>
11074 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11076 2000-03-18 Richard Henderson <rth@cygnus.com>
11078 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11079 care for HALF_PIC_P.
11080 (expander_call_insn_operand): Remove.
11081 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11082 * i386.h (PREDICATE_CODES): Update.
11083 * i386.md (all call expanders): Remove predicates, remove special
11084 handling for half-pic.
11085 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11086 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11087 (sibcall_epilogue): New.
11089 2000-03-17 Richard Henderson <rth@cygnus.com>
11091 * rtlanal.c (single_set): Reject if the parallel has anything
11092 except SET or USE or CLOBBER.
11094 2000-03-17 Jeff Law <law@cygnus.com>
11095 Richard Henderson <rth@cygnus.com>
11097 * Makefile.in (OBJS): Add sibcall.o.
11099 * sibcall.c: New file.
11100 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11101 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11102 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11103 Emit sibcall patterns when requested. Update all callers.
11104 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11105 elimination seems feasable.
11106 * final.c (leaf_function_p): Sibling calls don't discount being
11108 * flow.c (HAVE_sibcall_epilogue): Provide default.
11109 (find_basic_blocks_1): Sibling calls don't throw.
11110 (make_edges): Make edge from sibling call to EXIT.
11111 (propagate_block): Don't remove sibcall_epilogue insns.
11112 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11113 (sibcall_epilogue): New.
11114 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11115 (identify_blocks_1): Likewise. Break out from ...
11116 (identify_blocks): ... here.
11117 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11118 (reorder_blocks): ... here.
11119 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11120 (record_insns): Extend a varray instead of mallocing new memory.
11121 (contains): Read a varray not array of ints.
11122 (sibcall_epilogue_contains): New.
11123 (thread_prologue_and_epilogue_insns): Emit and record
11124 sibcall_epilogue patterns.
11125 (init_function_once): Allocate prologue/epilogue varrays.
11126 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11127 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11128 Broken out from ...
11129 (save_for_inline_nocopy): ... here.
11130 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11131 Broken out from ...
11132 (expand_inline_function): ... here.
11133 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11134 (subst_constants): Handle 'n' formats.
11135 * jump.c (jump_optimize_minimal): New.
11136 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11137 optimizations if it's set.
11138 * rtl.c (copy_rtx): Do copy jump & call for insns.
11139 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11140 (SIBLING_CALL_P): New.
11141 (sibcall_use_t): New.
11142 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11143 Invoke optimize_sibling_and_tail_recursive_calls.
11144 * tree.c (lang_safe_for_unsave): New.
11145 (safe_for_unsave): New.
11146 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11148 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11149 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11150 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11152 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11154 * objc/objc-act.c (encode_method_prototype): Pass types, not
11155 PARM_DECLs, to int_size_in_bytes.
11157 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11159 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11161 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11162 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11164 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11166 * Clean up usages of TREE_INT_CST_LOW.
11167 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11168 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11170 * c-tree.h (min_precision): Move declaration to here.
11171 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11172 (build_unary_op, add_pending_init): Use bit_position.
11173 (pending_init_member, process_init_element): Likewise.
11174 (really_start_incremental_init, push_init_level, pop_init_level):
11175 Don't make copies of nodes or modify them in place, use consistent
11176 types when tracking positions, and use tree routines computations.
11177 (set_init_index, output_init_element): Likewise.
11178 (output_pending_init_elements, process_init_element): Likewise.
11179 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11180 tree_low_cst and int_bit_position; also minor cleanup.
11181 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11182 (print_cst_octal): Precision is unsigned.
11183 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11184 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11185 (simple_type_align_in_bits): Result is unsigned int.
11186 Use tree_int_low_cst and host_integerp.
11187 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11188 (field_byte_offset): Result is HOST_WIDE_INT.
11189 Change types of internal variables so alignments are unsigned int,
11190 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11191 Use host_integerp, tree_low_cst, and int_bit_position.
11192 (add_bit_offset_attribute): Likewise.
11193 (add_data_member_location_attribute): Use tree_cst_low.
11194 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11195 (add_bit_size_attribute): Use tree_low_cst.
11196 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11197 * dwarfout.c: Similar changes to dwarf2out.c.
11198 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11199 * genoutput.c (n_occurences): Return -1 for null string.
11200 (strip_whitespace): Accept null string and make into function.
11201 (scan_operands): Reflect above changes.
11202 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11203 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11204 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11205 * tree.c (int_size_in_bytes): Check for too big to represent.
11206 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11207 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11209 (min_precision): Delete from here.
11210 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11211 and int_bit_position.
11212 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11213 (encode_method_def): Likewise.
11214 (build_ivar_list_initializer): Use int_bit_position.
11215 (generate_shared_structures): Convert size.
11216 (encode_type, encode_complete_bitfield): Use integer_zerop.
11217 (encode_bitfield): Use tree_low_cst and int_bit_position.
11219 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11221 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11223 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11225 * call.c (special_function_p): It is only malloc if it returns
11228 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11230 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11231 (C33_FLAG, TARGET_C3X): Add macros.
11232 (TARGET_SWITCHES): Add -m33 option.
11233 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11235 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11237 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11238 (PARALLEL_PACK_FLAG): Delete.
11239 (TARGET_SWITCHES): Update.
11240 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11242 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11244 * fold-const.c (fold): Fix a few cases when the returned result
11245 is not of the same type as the input.
11247 2000-03-16 Nick Clifton <nickc@cygnus.com>
11249 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11252 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11254 * libgcc2.h: Move prototypes above macros with the same name.
11255 Wrap some function prototypes in the conditional which indicates
11256 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11258 2000-03-16 Richard Henderson <rth@cygnus.com>
11260 * calls.c: Revert last two changes.
11262 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11264 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11265 has exponent 0 is a zero.
11267 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11268 HASH may already be nonzero. Add code/mode into hash value
11269 immediately after repeat label.
11270 (cselib_lookup): Don't leave the hash table in an inconsistent
11271 state before a hash lookup operation.
11273 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11275 * i386.md (all HI and QI mode non-move patterns): Conditionize
11276 by TARGET_[HQ]IMODE_MATH.
11277 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11278 x86_promote_qi_regs): Declare.
11279 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11280 TARGET_PROMOTE_QI_REGS): New macros.
11281 (PROMOTE_MODE): New macro.
11282 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11283 x86_promote_qi_regs): New global variables.
11285 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11287 * calls.c (emit_library_call_value_1): Break out from ...; handle
11288 VOIDmode function calls too.
11289 (emit_library_call_value): ... here.
11290 (emit_library_call): Implement by calling emit_library_call_value_1.
11292 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11294 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11295 Update arg_space_so_far on stack adjustments.
11296 (emit_library_call, emit_library_call_value): Likewise; take into
11297 account arg_space_so_far and pending_stack_adjust when calculcating
11300 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11302 * flow.c: Move all basic block reordering code into its own file.
11303 (create_basic_block): Externalize.
11304 * bb-reorder.c: New file. Copy all basic block reordering code from
11305 flow.c to this file.
11306 (reorder_basic_blocks): Fix fencepost error in for-loop.
11307 (reorder_basic_blocks): Remove braces from single statement for-loops.
11308 * basic-block.h: Add declaration for create_basic_block.
11309 * Makefile.in: Add rules for bb-reorder.o.
11311 2000-03-16 Neil Booth <NeilB@earthling.net>
11313 * cppinit.c (handle_option): Implement #unassert directive
11314 as -A- command line option.
11315 (print_help): Update.
11316 * cpptexi.c: Update.
11318 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11320 * md.texi (Standard Names): Document `jump'.
11322 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11324 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11327 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11329 Merge changes from newppc-branch onto trunk.
11331 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11333 * rs6000.c (toc_hash_table): Update for new hash table functions.
11334 (toc_hash_function): Likewise.
11335 (toc_hash_eq): Likewise.
11336 (toc_hash_mark_entry): Likewise.
11337 (toc_hash_mark_table): Likewise.
11338 (output_toc): Likewise.
11339 (rs6000_add_gc_roots): Likewise.
11341 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11343 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11344 (AR_FLAGS_FOR_TARGET): here. New macro.
11346 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11348 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11349 fpmem_operand) Delete.
11351 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11352 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11353 (rs6000_save_machine_status, rs6000_restore_machine_status,
11354 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11355 references to above variables.
11356 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11357 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11358 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11359 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11360 (XER_REGNO_P, XER_REGNO): New.
11361 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11362 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11363 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11365 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11366 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11367 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11369 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11371 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11372 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11373 * rs6000.h: from here.
11375 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11376 (rs6000_select_rtx_section): Likewise.
11377 (rs6000_encode_section_info): Likewise.
11378 (sdata_section): Likewise.
11379 (sdata2_section): Likewise.
11380 (sbss_section): Likewise.
11381 * sysv4.h (rs6000_select_section): Delete prototype.
11382 (rs6000_select_rtx_section): Likewise.
11383 (rs6000_encode_section_info): Likewise.
11384 (sdata_section): Likewise.
11385 (sdata2_section): Likewise.
11386 (sbss_section): Likewise.
11387 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11389 * sysv4.h: Delete various unnecessary #undef's and put a comment
11390 on the remaining ones.
11391 Change various comments according to coding standard.
11393 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11395 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11396 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11397 (CR0_REGNO_P) Remove.
11398 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11399 setup_incoming_varargs, mtcrf_operation, print_operand,
11400 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11401 Use the above macros.
11403 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11405 * config/rs6000/rs6000.md: Added a new alternative for each
11406 pattern that had a 'x' alternative but no 'y' alternative.
11407 Added a new split for each of the above patterns.
11409 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11411 * aix41.h (ASM_CPU_SPEC): Delete.
11412 (CPP_CPU_SPEC): Delete.
11414 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11415 (ASM_OUTPUT_LABEL): Define.
11416 (ASM_GLOBALIZE_LABEL): Define.
11417 (STRIP_NAME_ENCODING): Define.
11418 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11419 (STRIP_NAME_ENCODING): Don't define.
11420 (ASM_OUTPUT_LABEL): Don't define.
11421 (ASM_GLOBALIZE_LABEL): Don't define.
11422 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11423 names, and ASM_OUTPUT_LABEL to output labels, rather than
11425 (ASM_OUTPUT_LABEL): Define.
11426 (ASM_OUTPUT_INT): Use assemble_name.
11427 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11428 (STRIP_NAME_ENCODING): Don't undefine first.
11429 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11431 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11432 specified with 'asm' even with -fleading-underscore.
11433 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11434 (output_epilog): Likewise.
11435 (output_toc): Likewise.
11436 * tramp.asm: Handle -fleading-underscore correctly.
11438 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11440 (nonlocal_goto_receiver): Delete.
11441 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11443 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11444 (SET_ASM_OP): Define.
11445 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11447 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11448 (ASM_LONG): Define.
11450 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11451 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11453 * rs6000.h: Add 'u' to more constants.
11455 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11457 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11459 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11461 * rs6000.c (reg_or_u_cint_operand): New function.
11462 (logical_operand): Handle 64-bit hosts.
11463 (logical_u_operand): New function.
11464 (non_logical_cint_operand): Handle 64-bit hosts.
11465 (non_logical_u_cint_operand): New function.
11466 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11467 (PREDICATE_CODES): Define new functions.
11468 * rs6000-protos.h: Declare new functions.
11469 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11470 (movdi_64): Bracket code intended for 64-bit hosts. Create
11471 CONST_DOUBLE for 32-bit values.
11472 (scc insns): Generate DImode compares.
11473 (mfcr insns): Create DImode versions.
11474 (sge matchers): New patterns.
11476 2000-02-15 Gabriel Paubert <paubert@iram.es>
11478 * rs6000.md: Correct instructions length attributes and
11479 constraints on unsigned compare instructions.
11480 (*ne0): Disable for PowerPC64.
11482 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11484 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11485 quantity, fix profile1.C test failure under -fPIC.
11487 * rs6000.c: Add 'u' to many constants to suppress warnings.
11488 (constant_pool_expr_1): Make static.
11489 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11490 * rs6000.h: Add 'u' to many constants to suppress warnings.
11492 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11493 for the start of the TOC, instead of LCTOC..0.
11494 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11496 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11497 (load_toc_aix_di): Use LCTOC..1.
11499 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11500 * rs6000.c (rs6000_legitimize_address): New function from
11501 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11502 symbols in the constant pool that really are TOC references.
11503 (print_operand_address): For ELF, write TOC offsets under
11504 -fPIC as subtractions in the insn.
11505 (output_toc): For ELF, define symbols in TOC as normal labels,
11507 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11508 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11509 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11510 * rs6000.md (movsi): Only use create_TOC_reference on
11511 symbols in the constant pool that really are TOC references.
11513 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11514 * rs6000.c (rs6000_reorg): Delete.
11515 * rs6000-protos.h (rs6000_reorg): Delete.
11517 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11519 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11521 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11522 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11523 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11524 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11525 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11526 rs6000_aix_emit_builtin_unwind_init.
11527 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11528 rs6000_emit_eh_toc_restore on AIX.
11529 (return_eh_si): Use r2.
11530 (return_eh_di): Use r2.
11532 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11533 since we're breaking binary compatibility anyway.
11535 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11537 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11538 constant_pool_expr_p): Declare them.
11539 (constant_pool_expr_p): Declare it.
11540 * config/rs6000/rs6000.c (toc_label_name): Define.
11541 (rs6000_override_options): Set toc_label_name.
11542 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11543 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11544 uses_TOC): New functions.
11545 (print_operand): Delete old '*' case.
11546 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11547 and strip off rtl for TOC before calling output_addr_const.
11548 (rs6000_emit_load_toc_table): Use toc_label_name.
11549 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11551 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11552 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11553 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11554 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11555 into explicit TOC_REGISTER offsets.
11556 (TOC_REGISTER): New macro.
11557 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11558 TARGET_TOC to reference TOC_REGISTER.
11559 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11560 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11561 uses_TOC before emitting label references.
11563 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11565 * rs6000.md (stack_tie): Fix warning.
11567 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11568 to handle -fleading-underscore.
11569 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11570 (USER_LABEL_PREFIX): New macro.
11571 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11572 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11573 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11574 call-linux can use the same multilibs.
11575 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11576 and call-linux multilibs. Do multilib with -fleading-underscore.
11577 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11578 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11581 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11582 have MASK_SOFT_FLOAT set.
11583 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11584 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11585 CPP_FLOAT_DEFAULT_SPEC.
11587 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11588 * rs6000.md: Whitespace change.
11589 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11590 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11592 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11594 * rs6000.md (eh_epilogue): New expander.
11595 (eh_reg_restore): New expand/split/insn combination.
11596 (return_eh_si): New insn.
11597 (return_eh_di): New insn.
11599 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11600 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11601 * eabi-ctors.c (__do_global_ctors): Register this object's
11602 frame. Clean up. Call atexit() after the constructors.
11603 (__do_global_dtors): Deregister this object's frame. Clean up.
11604 Allow for recursive calls to exit().
11605 * rs6000.c (fixuplabelno): New variable.
11606 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11607 TARGET_RELOCATABLE, it slows down exec() under linux.
11608 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11610 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11611 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11612 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11613 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11614 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11615 (ASM_OUTPUT_DWARF_ADDR): New macro.
11616 (ASM_OUTPUT_DWARF_DATA4): New macro.
11617 (ASM_OUTPUT_DWARF_DATA2): New macro.
11618 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11619 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11620 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11622 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11624 * rs6000.c (rs6000_sr_alias_set): New variable.
11625 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11626 (rs6000_emit_stack_tie): New function.
11627 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11628 in a way that dwarf2out can understand.
11629 (rs6000_frame_related): New function.
11630 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11631 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11632 Use rs6000_emit_stack_tie when needed.
11633 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11634 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11635 * rs6000.md (stack_tie): New insn.
11636 (return_internal_si): Allow return value to be in the count
11638 (return_internal_di): Likewise.
11640 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11642 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11644 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11646 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11648 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11650 * rs6000.md (stmw): Use the right POWER opcode.
11653 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11655 * rs6000-protos.h: New file.
11657 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11659 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11662 * sysv4.h: Likewise.
11664 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11666 * ../../configure.in: Delete powerpcle-*-winnt*
11667 and powerpcle-*-pe|powerpcle-*-cygwin*.
11668 * ../../configure: Regenerated.
11669 * cygwin.h: Delete.
11670 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11671 (TARGET_WINDOWS_NT): Delete.
11673 (CALL_NT_DLLIMPORT): Delete.
11674 Delete NT-specific code.
11675 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11676 * win-nt.h: Delete.
11678 * nt-ci.asm: Delete.
11679 * nt-cn.asm: Delete.
11680 * ntstack.asm: Delete.
11682 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11684 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11685 (ASM_FILE_START): Likewise.
11686 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11687 (ASM_OUTPUT_LABELREF): Likewise.
11688 (ASM_OUTPUT_SKIP): Likewise.
11689 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11690 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11691 (ASM_OUTPUT_CASE_LABEL): Likewise.
11692 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11693 (ASM_OUTPUT_ASCII): Likewise.
11695 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11697 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11698 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11699 increment rs6000_pic_labelno here.
11700 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11701 and increment rs6000_pic_labelno here.
11703 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11705 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11706 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11707 allocation knows (reg) is dead before the insn.
11709 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11711 * rs6000.md (movsi_to_cr): Correct typo in output template.
11713 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11715 * rs6000.c (rs6000_pic_labelno): Always define.
11716 (rs6000_pic_func_labelno): Delete.
11717 (lmw_operation): Check for a zero base register,
11718 which doesn't mean what we want.
11719 (stmw_operation): New function.
11720 (print_operand): Define new 'l' modifier.
11721 (rs6000_stack_info): We must save all 64 bits of the registers
11722 if TARGET_POWERPC64.
11723 (rs6000_output_load_toc_table): Delete.
11724 (rs6000_emit_load_toc_table): New function.
11725 (rs6000_allocate_stack_space): Delete.
11726 (rs6000_emit_allocate_stack): New function.
11727 (rs6000_emit_prologue): New function.
11728 (output_prolog): Use rs6000_emit_prologue.
11729 (rs6000_emit_epilogue): Change a few variable names to be
11730 more accurate. Restore all 64 bits of the registers if
11731 TARGET_POWERPC64. Only restore the FP registers which were used
11732 if they are being saved/restored one-at-a-time.
11733 (output_mi_thunk): Delete inefficient code generation.
11734 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11735 * rs6000.h: Declare rs6000_emit_load_toc_table,
11736 rs6000_allocate_stack_space, stmw_operation. Don't declare
11737 rs6000_output_load_toc_table.
11738 * rs6000.md (elf_high): Allow register 0, but discourage it
11740 (elf_low): Support loading into register 0.
11741 (load_toc_aix_si): New pattern.
11742 (load_toc_aix_di): New pattern.
11743 (load_toc_v4_pic_si): New pattern.
11744 (load_toc_v4_pic_di): New pattern.
11745 (load_toc_v4_PIC_1): New pattern.
11746 (load_toc_v4_PIC_1b): New pattern.
11747 (load_toc_v4_PIC_2): New pattern.
11748 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11749 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11750 (prologue): New expander.
11751 (movesi_from_cr): New pattern.
11752 (stmw): New pattern.
11753 (save_fpregs_si): New pattern.
11754 (save_fpregs_di): New pattern.
11756 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11758 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11763 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11765 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11767 (movsi_got_internal): Likewise.
11768 (movsi_got_internal+1): Likewise.
11769 (set_sp): 'unspec 7' does a SImode clobber.
11771 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11773 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11774 allocate a stack temporary.
11775 (floatsidf2_internal): Likewise.
11776 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11778 (floatunssidf2): Don't use the fpmem "register", just
11779 allocate a stack temporary.
11780 (floatunssidf2_internal): Likewise.
11781 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11783 (floatsidf2_loadaddr): Delete.
11784 (floatsidf2_store1): Delete.
11785 (floatsidf2_store2): Delete.
11786 (floatsidf2_load): Delete.
11787 (fix_truncdfsi2): Don't use the fpmem "register", just
11788 allocate a stack temporary.
11789 (fix_truncdfsi2_internal_si): Delete.
11790 (fix_truncdfsi2_internal_di): Delete.
11791 (fix_truncdfsi2_internal): New insn.
11792 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11793 (fix_truncdfsi2_store): Delete.
11794 (fix_truncdfsi2_load): Delete.
11795 (fctiwz): Produce gen_fctiwz.
11797 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11799 * eabi.h (INVOKE__main): Define.
11800 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11802 (rs6000_emit_prologue): Likewise.
11803 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11804 this is the main program.
11806 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11808 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11810 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11812 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11813 goes after the argument.
11815 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11817 * rs6000.md: Document 'unspec' values used.
11818 (epilogue): New expander.
11819 (movesi_to_cr_one): New expander.
11820 (movesi_to_cr and following): New pattern.
11821 (lmw): New pattern.
11822 (return_internal_si): New pattern.
11823 (return_internal_di): New pattern.
11824 (return_and_restore_fpregs_si): New pattern.
11825 (return_and_restore_fpregs_di): New pattern.
11826 * rs6000.h: Declare new functions.
11827 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11828 rather than rs6000_calls_p.
11829 (rs6000_makes_calls): Delete.
11830 (lmw_operation): New function.
11831 (mtcrf_operation): New function.
11832 (rs6000_emit_epilogue): New function.
11833 (output_epilog): Call rs6000_emit_epilogue and final if
11834 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11836 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11838 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11839 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11840 * aix.h (SUBTARGET_SWITCHES): Document switches.
11841 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11842 sched-prolog and sched-epilog the same. Document all the
11844 (TARGET_OPTIONS): No longer allow -mdebug-.
11846 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11848 * rs6000.h (ASM_FILE_END): Move to aix.h.
11849 (EXTRA_SECTIONS): Move to aix.h.
11850 (READONLY_DATA_SECTION): Move to aix.h.
11851 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11852 (SELECT_SECTION): Move to aix.h.
11853 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11854 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11855 (LINK_REGISTER_REGNUM): New definition.
11856 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11857 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11859 * sysv4.h: Delete the code between the inclusion of rs6000.h
11861 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11862 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11863 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11864 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11865 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11866 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11867 (fix_truncdfsi2_internal_di): New pattern.
11868 (fix_truncdfsi2_store): The second arg here is Pmode too.
11869 (fix_truncdfsi2_load): The second arg here is Pmode too.
11870 (tablejumpdi): Now that switch tables hold only SImode values,
11871 gcc needs to know how to add them to the pc which is DImode.
11872 * rs6000.c (rs6000_stack_info): Use symbolic name for
11873 LINK_REGISTER_REGNUM.
11874 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11875 (output_toc): Delete unused variables s1 and s2.
11876 (output_ascii): Use fputs not fprintf on a variable string.
11878 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11880 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11881 * aix43.h: Revert Aug 2 change.
11882 (HAS_INIT_SECTION): Define, not visible yet.
11883 (LD_INIT_SWITCH): Define, not visible yet.
11884 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11886 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11888 * config/rs6000/rtems.h: Include config/rtems.h.
11890 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11892 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11893 (SLOW_UNALIGNED_ACCESS): Define.
11894 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11895 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11896 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11897 (toc_section): Likewise and .toc pseudo-op.
11898 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11900 (TEXT_SECTION_ASM_OP): Likewise.
11901 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
11904 1999-12-17 Jakub Jelinek <jakub@redhat.com>
11906 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
11907 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
11910 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11912 * rs6000.h: Move more stuff from here...
11914 * sysv4.h: Cleanup accordingly.
11915 * netware.h: Likewise
11917 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11919 * rs6000.h: Continue cleanup.
11921 * lynx.h: Likewise.
11922 * netware.h: Likewise.
11923 * sol2.h: Likewise.
11924 * sysv4.h: Likewise.
11925 * win-nt.h: Likewise.
11927 * rs6000.h (TARGET_SWITCHES): Add descriptions.
11928 (TARGET_OPTIONS): Likewise.
11930 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
11931 (SUBTARGET_OPTIONS): Likewise.
11933 * rs6000.md: Fix compile time warnings.
11935 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11937 vxworks patches from the Cygnus tree originally by
11938 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
11939 <vmakarov@cygnus.com>.
11940 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
11941 (ENDFILE_SPEC): Likewise.
11942 (LIB_VXWORKS_SPEC): New macro.
11943 (STARTFILE_VXWORKS_SPEC): New macro.
11944 (ENDFILE_VXWORKS_SPEC): New macro.
11945 (LINK_START_VXWORKS_SPEC): New macro.
11946 (LINK_OS_VXWORKS_SPEC): New macro.
11947 (CPP_OS_VXWORKS_SPEC): New macro.
11948 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
11949 * vxppc.h: Rewrite to use proper configuration method.
11950 * vxppcle.h: New file.
11951 * ../../configure.in: Add powerpcle-wrs-vxworks*.
11952 * ../../configure: Rebuilt.
11954 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11956 Lots of changes to rs6000.h, sysv4.h, aix.h,
11957 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
11958 with the aim that rs6000.h is the first header
11959 included and the others override it.
11962 * x-aix41-gld: Remove.
11964 * x-aix41: Remove target-specific switches, and don't specify
11965 -Wl,-bbigtoc as we don't need it any more.
11966 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
11967 Use t-aix43 for AIX 4.3 and above.
11968 * ../../configure: Regenerated.
11970 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
11971 options, that don't do anything yet.
11972 (MASK_SCHED_PROLOG): New macro.
11973 (MASK_SCHED_EPILOG): New macro.
11974 (TARGET_SCHED_PROLOG): New macro.
11975 (TARGET_SCHED_EPILOG): New macro.
11977 2000-01-04 Geoff Keating <geoffk@cygnus.com>
11979 * rs6000.c: Correct comment, the `minimal' TOCs are actually
11980 one per translation unit, not one per function.
11981 (output_toc): Also do duplicate constant elimination
11982 for per-translation-unit TOCs.
11984 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
11985 a comment explaining _exactly_ when this pattern gets used.
11986 (builtin_setjmp_receiver): New pattern for better clarity.
11987 (init_v4_pic): Move it into a section dealing with TOC registers.
11989 1999-12-30 Geoff Keating <geoffk@cygnus.com>
11991 * rs6000.c (toc_hash_table): New variable.
11992 (rs6000_hash_constant): New function.
11993 (toc_hash_function): New function.
11994 (toc_hash_eq): New function.
11995 (toc_hash_mark_entry): New function.
11996 (toc_hash_mark_table): New function.
11997 (output_toc): Don't output duplicate TOC entries in
11999 (rs6000_add_gc_roots): Add the hash table as a GC root.
12000 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12001 where they clearly shouldn't be. This may need to be fixed
12002 later when there is a GNU ar for AIX.
12003 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12004 Don't define BOOT_LDFLAGS as it is now not necessary.
12006 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12008 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12009 for va_list on AIX. Use unsigned_char_type_node rather than
12010 constructing our own version on svr4.
12012 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12014 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12015 since patently it's not.
12017 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12019 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12020 define_expand/define_insn pair, and handle restore of the
12021 SVR4 -fpic register.
12023 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12025 * acconfig.h (HAVE_GAS_WEAK): New define.
12026 * configure.in (assembler weak support): Check for .weak support.
12027 * config.in, configure: Rebuilt.
12028 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12029 HAVE_GAS_WEAK is defined.
12031 2000-03-15 Nick Clifton <nickc@cygnus.com>
12033 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12036 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12038 * cppfiles.c (open_include_file): New function.
12039 (find_include_file, cpp_read_file): Use it.
12041 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12043 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12045 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12047 * flow.c (verify_flow_info): Check for unconditional return.
12049 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12051 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12052 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12053 (__ia64_restore_stack_nonlocal): New.
12054 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12056 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12058 * cpphash.c (collect_formal_parameters): Do not complain about
12059 parameter names that just start with `__VA_ARGS__'.
12061 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12063 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12064 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12065 * i386.c (pentiumpro_cost): Set mul cost to 4.
12066 (x86_use_movx): Set for PPro.
12068 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12070 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12071 STACK_BOUNDARY for empty frames now.
12073 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12075 * stor-layout.c (layout_union): Remove.
12076 (layout_union_field): New function, split out from layout_union.
12077 (finish_union_layout): Likewise.
12078 (layout_field): Handle unions by calling layout_union_field.
12079 (finish_record_layout): Handle unions.
12080 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12081 QUAL_UNION_TYPE handling.
12083 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12085 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12086 end of basic block is jump_insn, not barrier; use create_basic_block
12087 instead of creating basic block by hand.
12089 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12091 * flow.c (reorder_basic_blocks): Account for barriers when writing
12092 over NEXT_INSN (last_bb->end).
12093 (verify_flow_info): Add check for missing barriers.
12095 2000-03-14 Greg McGary <gkm@gnu.org>
12097 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12098 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12099 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12100 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12101 __unbounded, __unbounded__): New keywords.
12102 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12103 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12104 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12106 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12108 * cselib.h: New file.
12109 * alias.c: Include "cselib.h".
12110 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12111 MEMs as two new arguments.
12112 (get_addr): New static function.
12113 (find_base_term): Handle VALUEs.
12114 (memrefs_conflict_p): Likewise.
12115 (true_dependence): Call get_addr on the addresses.
12116 Call fixed_scalar_and_varying_struct_p with addresses that have been
12117 passed through get_addr and canon_rtx.
12118 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12119 with true_dependence.
12120 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12121 * loop.c: Include "cselib.h".
12122 (load_mems): Process extended basic block that enters the loop with
12123 cselib. Use that information to change initialization of the shadow
12124 register so that a constant equivalence is seen by later passes.
12125 * reload1.c: Include "cselib.h".
12126 (reload_cse_invalidate_regno): Delete function.
12127 (reload_cse_mem_conflict_p): Likewise.
12128 (reload_cse_invalidate_mem): Likewise.
12129 (reload_cse_invalidate_rtx): Likewise.
12130 (reload_cse_regno_equal_p): Likewise.
12131 (reload_cse_check_clobber): Likewise.
12132 (reload_cse_record_set): Likewise.
12133 (reg_values): Delete static variable.
12134 (invalidate_regno_rtx): Likewise.
12135 (reload_cse_delete_noop_set): New static function.
12136 (reload_cse_simplify): New static function, broken out of
12138 (reload_cse_noop_set_p): Delete unused argument INSN.
12139 Just call rtx_equal_for_cselib_p on set source and destination.
12140 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12141 reload_cse_delete_noop_set. Delete code to keep track of values; use
12142 cselib functions instead. Delete code to push/pop obstacks.
12143 (reload_cse_simplify_set): Use cselib to find equivalent values.
12144 Delete code to push/pop obstacks.
12145 (reload_cse_simplify_operands): Likewise.
12146 * rtl.def (VALUE): New rtx code.
12147 * rtl.h (union rtunion_def): New elt rt_cselib.
12148 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12149 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12150 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12151 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12152 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12153 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12154 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12155 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12156 cselib_record_set, cselib_record_sets): New static functions.
12157 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12158 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12159 references_value_p): New functions.
12160 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12161 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12162 n_useless_values, reg_values, callmem, cselib_obstack,
12163 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12164 New static variables.
12165 * varray.h (union varray_data_tag): New elt te.
12166 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12167 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12170 2000-03-14 Nick Clifton <nickc@cygnus.com>
12172 * gcc.c (do_spec_1): Catch the case where %* is used in a
12173 substitution pattern, but it has not been initialised.
12174 Issue a meaningful error message if an unrecognised operator
12175 is encountered in a spec string.
12177 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12179 * function.c (prepare_function_start): Correctly initialize
12180 cfun->stack_alignment_needed.
12182 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12184 * cppfiles.c (find_include_file): Don't assume nshort is a
12187 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12189 * configure.in (hppa configurations): Add pa32-regs.h to the
12190 list of tm files as appropriate.
12191 * configure: Rebuilt.
12192 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12193 register numbering.
12194 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12195 (fmpyaddoperands, fmpysuboperands): Likewise.
12196 * pa.h: Remove various definitions which depend on knowing
12197 how registers are numbered.
12198 * pa32-regs.h: New file with PA32 register numbering specific
12201 2000-03-14 Richard Henderson <rth@cygnus.com>
12203 * regmove.c (combine_stack_adjustments): New.
12204 (stack_memref_p, single_set_for_csa): New.
12205 (free_csa_memlist, record_one_stack_memref): New.
12206 (try_apply_stack_adjustment): New.
12207 (combine_stack_adjustments_for_block): New.
12208 * rtl.h (combine_stack_adjustments): Declare.
12209 * toplev.c (rest_of_compilation): Call it.
12211 * i386.md: Revert 2000-01-16 change.
12213 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12215 * gccbug.in: Add web category, gcc specific classes.
12217 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12219 * stor-layout.c (finalize_record_size): Fix typo.
12221 2000-03-14 Stan Shebs <shebs@apple.com>
12223 * c-typeck.c (c_alignof): Error on incomplete types.
12224 * extend.texi (Alignment): Document this.
12226 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12228 * cppfiles.c: Include mkdeps.h.
12229 (find_include_file, read_include_file): Remove _cpp_ prefix
12230 from name, make static.
12231 (_cpp_execute_include): New function, broken out of
12234 * cpplib.c: Don't include mkdeps.h.
12235 (struct directive): Remove type field. Reorder entries. The
12236 function takes only one argument.
12237 (struct if_stack): Make type field an int.
12238 (directive_table): Rename to dtable. Generate it, the
12239 prototypes of the directive handlers, and the enum for the
12240 directive numbers, from a template macro.
12241 (do_ifndef, do_include_next, do_import): New functions.
12242 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12243 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12244 do_ident, do_assert, do_unassert, do_sccs): Take only one
12246 (do_sccs): Define always, but alter behavior based on
12248 (_cpp_handle_directive, consider_directive_while_skipping):
12249 Restructure for new directive table layout.
12251 (pass_thru_directive): Take a directive number, not a pointer
12252 to a struct directive.
12253 (parse_include): New function, broken out of do_include.
12254 (do_include, do_import, do_include_next): Use parse_include
12255 and _cpp_execute_include.
12256 (do_elif, do_else): Test for T_ELSE specifically when checking
12257 for #elif/#else after #else.
12258 (parse_ifdef): New function, broken out of do_ifdef.
12259 (validate_else): Expect a name arg without a leading #.
12260 (if_directive_name): Delete.
12261 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12262 directive handlers with only one argument.
12264 * cpphash.h: Update prototypes.
12265 (enum node_type): Remove entries for directives.
12266 * Makefile.in: Update dependencies.
12268 * cpphash.c (dump_hash_helper): Only dump nodes of type
12269 T_MACRO. Emit a newline after each definition.
12271 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12273 * gccbug.in: New file.
12274 * configure.in (all_outputs): Add gccbug.
12275 * Makefile.in (install-common): Install gccbug.
12276 (GCCBUG_INSTALL_NAME): New variable.
12277 * configure: Rebuilt.
12279 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12281 * function.c (put_var_into_stack): Use type_for_mode to calculate
12282 part_type. Use MEM_SET_IN_STRUCT_P.
12283 * expr.c (store_field): Handle CONCAT.
12284 (store_constructor): Use fields_length.
12285 * tree.c (fields_length): New fn.
12286 * tree.h: Declare it.
12288 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12290 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12291 (cpplex.o): New target.
12292 * po/POTFILES.in: Add cpplex.c.
12294 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12295 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12296 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12297 skip_block_comment, skip_line_comment, skip_comment,
12298 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12299 _cpp_parse_name, skip_string, parse_string,
12300 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12301 _cpp_get_directive_token, find_position,
12302 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12303 (maybe_macroexpand, _cpp_lex_token): New functions.
12305 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12306 parse_goto_mark): Delete.
12307 (_cpp_handle_eof): New function.
12308 (_cpp_handle_directive): Rename from handle_directive.
12309 (_cpp_output_line_command): Rename from output_line_command.
12310 (do_if, do_elif): Call _cpp_parse_expr directly.
12311 * cppfiles.c (_cpp_read_include_file): Don't call
12312 init_input_buffer here.
12313 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12314 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12315 here; pop the token_buffer and skip the rest of the line here.
12316 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12319 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12321 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12322 CPP_GOTO_MARK): New macros.
12323 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12324 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12325 _cpp_read_and_prescan, _cpp_init_input_buffer,
12326 _cpp_grow_token_buffer, _cpp_get_directive_token,
12327 _cpp_handle_directive, _cpp_handle_eof,
12328 _cpp_output_line_command): Prototype them here.
12329 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12330 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12331 quote_string, output_line_command): Remove.
12333 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12335 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12336 whether it is too large we must also verify that it isn't negative.
12338 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12340 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12341 (movsi_zero_liveg0): Remove.
12342 (movsf_insn_novis_liveg0): Remove.
12344 (negsi2_not_liveg0): Rename to negsi2.
12345 (one_cmplsi2): Remove.
12346 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12347 (one_cmplsi2_liveg0): Remove.
12348 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12349 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12350 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12351 (PREDICATE_CODES): Remove zero_operand.
12352 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12353 TARGET_BROKEN_SAVERESTORE.
12354 (zero_operand): Remove.
12355 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12356 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12358 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12359 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12360 TARGET_BROKEN_SAVERESTORE): Remove.
12361 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12363 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12365 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12368 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12370 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12372 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12373 truncating a string. Don't assume tokens are nul terminated.
12374 Problem noted by Andreas Jaeger <aj@suse.de>
12376 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12378 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12379 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12380 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12382 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12384 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12385 STRUCTURE_SIZE_BOUNDARY.
12387 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12389 * tree.h (record_layout_info_s): New structure.
12390 (record_layout_info): New type.
12391 (new_record_layout_info): New function.
12392 (layout_field): Likewise.
12393 (finish_record_layout): Likewise.
12394 * stor-layout.c (layout_record): Remove.
12395 (new_record_layout_info): New function.
12396 (layout_field): New function, broken out from layout_record.
12397 (finalize_record_size): Likewise.
12398 (compute_record_mode): Likewise.
12399 (finalize_type_size): New function, broken out from layout_type.
12400 (finish_record_layout): Likewise.
12401 (layout_type): Use them.
12403 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12405 * cpphash.c: Don't include version.h.
12406 (special_symbol) [case T_VERSION]: Look for the string in
12407 hp->value.cpval; don't use version_string.
12408 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12409 __VERSION__ to version_string.
12410 * Makefile.in (cpphash.o): Update deps.
12412 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12414 Convert cpplib to use libiberty/hashtab.c.
12416 * cpplib.h (struct cpp_reader): Make hashtab and
12417 all_include_files of type 'struct htab *'. Delete HASHSIZE
12418 and ALL_INCLUDE_HASHSIZE macros.
12420 * cpphash.h: Update prototypes.
12421 (struct hashnode): Remove next, prev, and bucket_hdr members.
12422 Make length a size_t. Add hash member.
12423 (struct ihash): Remove next member. Add hash member. Make
12424 name a flexible array member.
12426 * cppfiles.c: Include hashtab.h.
12427 (include_hash): Delete.
12428 (IHASHSIZE): New macro.
12429 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12430 (cpp_included): Do the hash lookup here.
12431 (_cpp_find_include_file): Rewrite.
12432 (cpp_read_file): Put the "fake" hash entry into the hash
12433 table. Honor the control_macro, if it turns out we've seen
12434 the file before. Don't push the buffer here.
12435 (_cpp_read_include_file): Push the buffer here.
12436 (OMODES): New macro. Use it whenever we call open(2).
12438 * cpphash.c: Include hashtab.h.
12439 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12440 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12441 _cpp_lookup_slot): New functions.
12442 (HASHSIZE): new macro.
12443 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12444 (_cpp_lookup): Use hashtab.h routines.
12446 * cppinit.c: Include hashtab.h.
12447 (cpp_reader_init): Call _cpp_init_macro_hash and
12448 _cpp_init_include_hash. Don't allocate hashtab directly.
12449 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12450 pfile->all_include_files.
12451 (initialize_builtins): Use _cpp_make_hashnode and
12452 htab_find_slot to add hash entries.
12453 (cpp_finish): Just call _cpp_dump_macro_hash.
12454 * cpplib.c: Include hashtab.h.
12455 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12456 create hash entries.
12457 (do_pragma_poison, do_assert): Likewise.
12458 (do_include): Don't push the buffer here. Don't increment
12459 system_include_depth unless _cpp_read_include_file succeeds.
12460 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12461 or htab_remove_elt.
12462 (do_pragma_implementation): Use alloca to create copy.
12464 * Makefile.in: Update dependencies.
12466 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12468 * cppinit.c (cl_directive_handler): More K&R fixing.
12470 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12472 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12474 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12476 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12478 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12479 Change from char[] to macros.
12481 2000-03-12 Neil Booth <NeilB@earthling.net>
12483 * cppinit.c (cpp_start_read): Update indirect function
12486 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12488 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12491 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12492 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12494 2000-03-11 Neil Booth <NeilB@earthling.net>
12496 * cppinit.c (struct pending option): Replace undef with a
12497 pointer to a directive handling routine.
12498 (struct cpp_pending): Replace separate assert_ and define_
12499 lists with one directive_ list.
12500 (new_pending_define): Rename new_pending_directive. Extra
12501 argument is the directive's handling routine.
12502 (handle_option): Update to use new_pending_directive.
12504 2000-03-11 Neil Booth <NeilB@earthling.net>
12506 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12507 remap_filename, _cpp_read_include_file, actual_directory,
12508 hack_vms_include_specification): Replace bcopy(), index() etc
12509 calls. Add casts to some allocations. Make some variables
12510 pointers to const [unsigned] char.
12511 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12512 collect_formal_parameters): Similarly.
12513 * cppinit.c (struct pending_option, append_include_chain,
12514 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12515 cpp_start_read, new_pending_define, handle_option): Similarly.
12516 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12517 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12518 do_pragma_implementation, detect_if_not_defined,
12519 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12520 do_assert, do_unassert): Similarly.
12521 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12522 function prototypes.
12523 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12525 2000-03-10 Richard Henderson <rth@cygnus.com>
12527 * builtins.c (expand_builtin_strlen): Revert last change.
12528 Use emit_insn_before if we're at the beginning of a sequence.
12530 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12532 * builtins.c (expand_builtin_strlen): Make sure that we have something
12533 at the beginning of the sequence.
12535 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12538 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12540 2000-03-10 Richard Henderson <rth@cygnus.com>
12542 * except.c (can_throw): Use INTVAL on a CONST_INT.
12543 (reachable_handlers): Likewise.
12544 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12546 2000-03-10 Andreas Jaeger <aj@suse.de>
12548 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12549 MD_STARTFILE_PREFIX since those are not needed on linux.
12550 (ASM_FILE_START): New, from mips/gnu.h.
12552 2000-03-09 Richard Henderson <rth@cygnus.com>
12553 Alex Samuel <samuel@codesourcery.com> and others
12555 * Makefile.in (ssa.o): New rule.
12557 (STAGESTUFF): Add *.ssa and *.ussa.
12558 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12559 * rtl.def (PHI): New RTL expression.
12560 * rtl.h (clear_log_links): New declaration.
12561 (convert_to_ssa): Likewise.
12562 (convert_from_ssa): Likewise.
12563 * flow.c (split_edge): If the entry node falls through to the
12564 split edge's source block, split the entry edge.
12565 (clear_log_links): New function.
12566 * toplev.c (ssa_dump): New variable.
12567 (flag_ssa): Likewise.
12568 (f_options): Add "ssa".
12569 (compile_file): Create SSA dump files.
12570 (rest_of_compilation): Go to and from SSA if enabled.
12571 (decide_d_option): Handle -de for SSA dump files.
12574 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12576 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12579 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12581 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12583 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12585 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12586 (MD_STARTFILE_PREFIX_1): New macro.
12588 2000-03-09 Robert Lipe <robertl@sco.com>
12590 * config/ia64/ia64.c: Include system.h.
12592 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12594 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12595 (init_eh_nesting_info): Likewise.
12597 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12598 (TREE_NOTHROW): Rename from TREE_RAISES.
12599 * toplev.c (rest_of_compilation): Set it.
12600 * print-tree.c (print_node): Adjust.
12601 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12602 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12603 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12604 REG_EH_REGION note as appropriate.
12605 (libfunc_nothrow): New fn.
12606 (emit_library_call, emit_library_call_value): Use it.
12607 (expand_call): Check TREE_NOTHROW.
12609 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12610 DECL_ASSEMBLER_NAME.
12612 2000-03-09 Andreas Jaeger <aj@suse.de>
12614 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12615 (TARGET_MEM_FUNCTIONS): Define.
12617 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12619 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12621 * except.c (can_throw): See through a SEQUENCE.
12622 (nothrow_function_p): New fn.
12623 * except.h: Declare it.
12624 * function.c (current_function_nothrow): New var.
12625 (prepare_function_start): Initialize it.
12626 * output.h: Declare it.
12627 * toplev.c (rest_of_compilation): Set it.
12628 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12630 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12632 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12633 match. (cpp_compare_defs): Count the nul separator when
12634 advancing over argument names.
12636 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12638 * recog.c (preprocess_constraints): Matching constraints affect
12639 same alternative/different operand, not same operand/different
12642 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12643 register and a constant specially.
12645 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12647 * libgcc2.h: New file.
12648 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12650 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12652 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12653 * configure: Regenerate.
12654 * config/ia64: New.
12656 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12658 * Makefile.in (LIBCPP_DEPS): New macro.
12659 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12660 it to declare deps.
12661 * cpperror.c: Include cpphash.h.
12662 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12664 (lex): Don't use CPP_WARN_UNDEF.
12665 (_cpp_parse_expr): Return an int, the truth value.
12666 * cppfiles.c: Include cpphash.h.
12667 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12668 * cppinit.c (include_defaults_array): Disentangle.
12669 (cpp_cleanup): Don't free the if stack here.
12670 (cpp_finish): Pop off all buffers, not just one.
12671 * cpplib.c (eval_if_expr): Return int.
12672 (do_xifdef): Rename do_ifdef.
12673 (handle_directive): Don't use CPP_PREPROCESSED.
12674 (cpp_get_token): Don't use CPP_C89.
12675 * fix-header.c: Don't use CPP_OPTIONS.
12677 * cpplib.h: Move U_CHAR, enum node_type, struct
12678 file_name_list, struct ihash, is_idchar, is_idstart,
12679 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12680 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12681 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12682 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12683 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12684 of _cpp_simplify_pathname, _cpp_find_include_file,
12685 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12686 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12688 Change all uses of U_CHAR to be unsigned char instead.
12689 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12691 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12693 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12694 (dwarf2out_begin_prologue): Set it.
12695 (output_call_frame_info): Don't emit EH unwind info for leaves.
12697 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12698 can occur outside of an EH region.
12699 * except.c: Correct comments about rethrow behavior.
12700 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12702 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12704 * flow.c (make_edges): Always call make_eh_edge for calls.
12706 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12708 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12709 (struct cpp_buffer): Remove fname and underflow fields.
12710 (struct cpp_reader): Remove get_token field.
12711 (struct include_hash): Rename to struct ihash. Add typedef to
12713 (struct if_stack): Remove fname field.
12714 (IF_STACK_FRAME): Rename to IF_STACK.
12716 * cpperror.c (print_containing_files): Trust that there are no
12717 macro buffers below the top file buffer.
12718 * cppfiles.c: Replace all references to 'struct include_hash'
12719 with 'IHASH'. Rename initialize_input_buffer to
12720 init_input_buffer. Don't set or reference cpp_buffer->fname,
12721 use buffer->ihash->name instead.
12722 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12723 not CPP_NULL_BUFFER.
12724 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12725 IF_STACK_FRAME, IHASH not struct include_hash.
12726 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12727 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12728 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12729 references to cpp_buffer->fname (delete entirely, or use
12730 ->ihash->name instead) and IF_STACK->fname.
12731 (cpp_push_buffer): Don't set new->underflow.
12732 (do_include): Use cpp_file_buffer.
12734 * cpphash.c (collect_formal_parameters): Remove duplicate
12735 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12736 used as a macro argument name. Don't append "..." to namebuf
12737 for varargs macros. After we're done scanning, go through
12738 namebuf and make it NUL separated, not comma separated.
12739 (_cpp_compare_defs): Remove register tag from variables.
12740 Expect defn->argnames to be NUL separated.
12741 (_cpp_dump_definition): Expect defn->argnames to be NUL
12742 separated and in forward order.
12743 * cpphash.h: Update documentation of argnames field.
12745 2000-03-08 Richard Henderson <rth@cygnus.com>
12747 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12748 to fail. Don't pre-expand the source operand.
12750 * i386.md (strlensi): Initialize eoschar and align before use.
12752 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12754 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12755 CONSTRUCTOR element.
12757 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12759 * mips.c (mips_expand_prologue): If the last
12760 named argument is the vararg marker "va_list", treat it as
12761 an unnamed argument.
12763 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12765 * dbxout.c (dbxout_parms): When correcting for promoted
12766 big-endian parameters, use the mode of the DECL_RTL rather
12767 than UNITS_PER_WORD.
12769 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12771 * c-common.h (make_fname_decl): Declare.
12772 * c-common.c (make_fname_decl): Define.
12773 (declare_hidden_char_array): Remove.
12774 (declare_function_name): Use make_fname_decl.
12775 * c-decl.c (c_make_fname_decl): New function.
12776 (init_decl_processing): Set make_fname_decl.
12778 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12780 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12782 2000-03-07 Philipp Thomas <pthomas@suse.de>
12784 * po/POTFILES.in: Remove cppalloc.c from file list.
12786 2000-03-07 Steve Chamberlain <sac@pobox.com>
12788 * pj.c (pj_expand_prologue): current_function->args_info is
12789 now current_function_args_info.
12791 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12792 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12793 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12795 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12797 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12798 output as hexadecimal rather than the default octal.
12800 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12802 * cpphash.c (special_symbol): Fix thinko in previous commit.
12804 2000-03-07 Neil Booth <NeilB@earthling.net>
12806 * cppexp.c (struct operation, left_shift, right_shift,
12807 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12808 "int"s to "unsigned int"s.
12809 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12811 * cpplib.h: Update for above.
12812 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12813 returned from allocations.
12815 * cppinit.c (opt_comp, parse_options): New functions.
12816 (handle_option): Use parse_option to parse a single command
12817 line option, that possibly takes an argument.
12818 (cpp_handle_options): Sort the array of command line options on
12819 first invocation (non-ASCII hosts only).
12820 (print_help): Update.
12822 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12824 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12825 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12827 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12829 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12831 * cpperror.c (cpp_print_containing_files,
12832 cpp_print_file_and_line, v_cpp_message): Rename to
12833 print_containing_files, print_file_and_line, and v_message.
12834 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12835 to _cpp_parse_expr, parse_escape, and lex.
12836 (parse_charconst): Remove broken multibyte support.
12837 * cppfiles.c (include_hash): Make static.
12838 (cpp_included): New function.
12839 (merge_include_chains, find_include_file, finclude,
12840 simplify_pathname): Rename to _cpp_merge_include_chains,
12841 _cpp_find_include_file, _cpp_read_include_file, and
12842 _cpp_simplify_pathname.
12843 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12844 cpp_install, create_definition, macroexpand, compare_defs,
12845 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12846 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12847 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12848 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12850 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12852 * cpphash.h: Update prototypes.
12853 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12855 2000-03-07 Andrew Haley <aph@cygnus.com>
12857 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12858 PTRDIFF_TYPE should be based solely on Pmode.
12859 (SIZE_TYPE): ditto.
12861 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12863 * rtl.h (rtunion_def): Constify member `rtstr'.
12864 (emit_line_note_after, emit_line_note, emit_line_note_force,
12865 emit_note, decode_asm_operands): Constify.
12867 * cse.c (canon_hash): Likewise.
12869 * dbxout.c (dbxout_block): Likewise.
12871 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12872 v_warning_for_asm): Likewise.
12874 * dwarfout.c (function_start_label): Likewise.
12876 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12877 emit_line_note_force): Likewise.
12879 * final.c (last_filename, asm_insn_count, final_scan_insn,
12880 output_source_line): Likewise.
12882 * function.h (struct emit_status): Likewise.
12884 * gcse.c (hash_expr_1): Likewise.
12886 * genattr.c (gen_attr, main): Likewise.
12888 * genattrtab.c (struct function_unit, current_alternative_string,
12889 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12890 attr_numeral, check_attr_test, check_attr_value,
12891 convert_set_attr_alternative, convert_set_attr,
12892 compute_alternative_mask, simplify_by_exploding, gen_attr,
12893 gen_unit): Likewise.
12895 * genflags.c (gen_insn): Likewise.
12897 * gengenrtl.c (type_from_format): Likewise.
12899 * genopinit.c (gen_insn): Likewise.
12901 * genoutput.c (n_occurrences, process_template, process_template):
12904 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12907 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
12910 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
12911 ggc_set_mark, ggc_get_size): Likewise.
12913 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
12915 * optabs.c (init_one_libfunc): Likewise.
12917 * output.h (assemble_start_function): Likewise.
12919 * recog.c (decode_asm_operands): Likewise.
12921 * toplev.c (rest_of_compilation): Likewise.
12923 * tree.h (emit_line_note_after, emit_line_note,
12924 emit_line_note_force): Likewise.
12926 * varasm.c (asm_output_bss, asm_output_aligned_bss,
12927 asm_emit_uninitialised, assemble_start_function,
12928 assemble_variable, const_hash, compare_constant_1,
12929 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
12931 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
12933 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
12935 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
12937 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
12939 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
12940 arm_dllimport_name_p): Likewise.
12942 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
12945 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
12947 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12949 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
12950 arm_mark_dllexport, arm_mark_dllimport,
12951 arm_pe_encode_section_info): Likewise.
12953 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
12954 ASM_FINISH_DECLARE_OBJECT): Likewise.
12956 * arm/thumb.c (thumb_function_prologue): Likewise.
12958 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
12960 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12962 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
12964 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
12966 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
12968 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12970 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
12971 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
12973 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
12975 * i386/i386.c (asm_output_function_prefix): Likewise.
12977 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
12979 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12981 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
12983 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
12984 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
12985 ASM_OUTPUT_SECTION_NAME): Likewise.
12987 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
12989 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
12991 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
12993 * m32r/m32r.c (m32r_encode_section_info): Likewise.
12995 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
12997 * mcore/mcore.c (mcore_encode_section_info): Likewise.
12999 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13001 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13003 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13005 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13007 * mips/mips.md (movdi, movsi): Likewise.
13009 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13011 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13013 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13015 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13016 ASM_OUTPUT_ASCII): Likewise.
13018 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13019 output_mi_thunk, output_toc): Likewise.
13021 * rs6000/rs6000.md (movsi): Likewise.
13023 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13025 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13027 * v850/v850.c (print_operand, print_operand_address,
13028 v850_encode_data_area): Likewise.
13030 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13032 * config/mips/mips.md (zero_extendsidi2): Always force operand
13033 one to memory for mips16.
13035 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13037 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13038 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13039 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13040 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13041 (min_precision): Result is unsigned.
13042 (add_double, neg_double, mul_double): Low word is unsigned.
13043 (lshift_double, rshift_double, lrotate_double): Likewise.
13044 (rrotate_double, div_and_round_double): Likewise.
13045 (tree_floor_log2, compare_tree_int): New functions.
13046 (preserve_rtl_expr_temps): New declaration.
13047 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13048 (decl_attributes): Use tree_log2 to find alignment.
13049 Check for TREE_INT_CST_HIGH for format args.
13050 (min_precision): Now unsigned.
13051 Use tree_floor_log2.
13052 (truthvalue_conversion): Delete long-disabled code.
13053 * c-decl.c (finish_struct): Clean up tests on field width.
13054 (finish_function): Use compare_tree_int.
13055 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13056 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13057 (default_conversion, digest_init): Use compare_tree_int.
13058 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13059 Fix type errors in forming masks.
13060 * calls.c (initialize_argument_information): Use compare_tree_int.
13061 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13062 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13063 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13064 (store_field): Use compare_tree_int.
13065 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13066 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13067 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13068 (do_store_flag): Use compare_tree_int.
13069 * fold-const.c (encode, decode): Low part is always unsigned.
13070 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13071 (lshift_double, rshift_double, lrotate_double): Likewise.
13072 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13073 (fold_convert): Use compare_tree_int.
13074 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13075 (invert_truthvalue, case INTEGER_CST): Likewise.
13076 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13077 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13078 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13079 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13081 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13082 (expand_end_case): Use compare_tree_int.
13083 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13084 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13085 (layout_decl): Likewise.
13086 (layout_record, layout_union): Make sizes unsigned.
13087 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13088 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13089 * tree.c (struct type_hash): hashcode is unsigned.
13090 (build_type_attribute_variant, type_hash_list): Likewise.
13091 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13092 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13093 (build_complex_type): Likewise.
13094 (real_value_from_int_cst): Remove unneeded casts.
13095 (integer_all_onesp): Add casts.
13096 (tree_floor_log2, compare_tree_int): New functions.
13097 (build_index_type): Use tree_int_cst_sgn.
13098 * varasm.c (assemble_variable): Use compare_tree_int.
13100 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13102 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13104 * varasm.c (make_decl_rtl): Don't add a number to members of
13106 (make_function_rtl): Likewise.
13108 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13110 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13111 patch from 2000-01-28.
13113 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13115 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13116 filled with an insn from the jump target.
13118 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13120 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13121 (c4x_external_ref): Likewise.
13122 * config/c4x/c4x.c (struct name_list): Likewise.
13124 1999-12-16 Ben Collins <bcollins@debian.org>
13126 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13127 argument to genmultilib.
13128 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13129 the contents into the multilib.h header.
13130 * gcc.c: Declare multilib_exclusions for the specs file.
13131 (set_multilib_dir): Use it.
13132 (print_multilib_info): Likewise.
13133 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13134 to pass to genmultilib.
13136 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13138 * builtins.c (built_in_class_names, built_in_names): Constify a
13141 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13143 (_mcleanup): Ensure value matches format specifier in sprintf.
13145 * cpphash.c (special_symbol): Don't needlessly cast away
13148 * cppinit.c (base_name): Delete unused prototype.
13150 * mkdeps.c (deps_init): Make definition K&R safe.
13152 * tree.h (built_in_class_names, built_in_names): Constify a
13155 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13157 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13158 floating point instructions for epilogue delay.
13160 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13161 to gas if it supports .register pseudo.
13163 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13164 LONG_DOUBLE_TYPE_SIZE if not defined.
13165 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13166 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13167 * real.c: Likewise.
13168 * gengenrtl.c: Likewise.
13169 * print-rtl.c: Likewise.
13171 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13172 MASK_LONG_DOUBLE_128.
13173 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13174 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13175 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13176 (SUBTARGET_SWITCHES): Define.
13177 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13178 with -mlong-double-128.
13179 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13180 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13181 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13182 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13183 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13184 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13185 with -mlong-double-128.
13186 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13187 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13188 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13189 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13190 TARGET_LONG_DOUBLE_128): Define.
13191 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13192 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13193 long double on TARGET_ARCH64.
13195 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13197 * function.c (free_temps_for_rtl_expr): Don't free slots
13198 that have been pushed into a higher level.
13201 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13203 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13205 * basic-block.h (ALLOCA_REG_SET): Remove.
13206 (INITIALIZE_REG_SET): New macro.
13207 * flow.c (update_life_info): Use it.
13208 (calculate_global_regs_live): Likewise.
13209 (propagate_block): Likewise.
13210 * global.c (build_insn_chain): Likewise.
13211 * haifa-sched.c (schedule_region): Likewise.
13213 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13215 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13216 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13217 (DWARF_ARANGES_PAD_SIZE): New define.
13218 (output_aranges): Use it to pad the address range header.
13219 (DWARF_ROUND): Fix for non power of 2 rounding.
13221 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13223 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13225 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13227 * tree.def (RTL_EXPR): Update documentation.
13228 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13229 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13230 * function.c (preserve_rtl_expr_temp): New function.
13231 (preserve_rtl_expr_temps): Likewise.
13232 (preserve_rtl_expr_result): Use it.
13235 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13237 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13239 * regmove.c (copy_src_to_dest) Do not create src->dest move
13240 for unchanging destination.
13242 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13244 * function.h (struct sequence_stack): Remove rtl_expr.
13245 (struct emit_staus): Likewise.
13246 (seq_rtl_expr): Remove.
13247 * tree.h (free_temps_for_rtl_expr): Don't declare.
13248 (start_sequence_for_rtl_expr): Likewise.
13249 * rtl.h (preserve_rtl_expr_result): Likewise.
13250 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13251 (start_sequence_for_rtl_expr): Remove.
13252 (push_topmost_sequence): Don't save sequence_rtl_expr.
13253 (pop_topmost_sequence): Remove comment about not restoring it.
13254 (end_sequence): Don't set seq_rtl_expr.
13255 (init_emit): Don't initialize it.
13256 (mark_sequence_stack): Don't mark it.
13257 (mark_emit_status): Likewise.
13258 * except.c (protect_with_terminate): Use
13259 start_sequence_for_rtl_expr, not start_sequence.
13260 * expr.c (expand_expr, case RTL_EXPR): Don't call
13261 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13262 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13263 (preserve_rtl_expr_result): Remove.
13264 (free_temps_for_rtl_expr): Likewise.
13265 (pop_temp_slots): Likewise.
13266 (mark_temp_slot): Don't mark the rtl_expr.
13267 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13268 start_sequence_for_rtl_expr.
13270 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13272 * mkdeps.c, mkdeps.h: New files.
13273 * po/POTFILES.in: Add them.
13274 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13275 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13276 (mkdeps.o): New target.
13278 * cppfiles.c: Delete deps_output.
13279 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13280 OBJECT_SUFFIX, and base_name.
13281 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13283 (initialize_dependency_output): Use deps_init,
13284 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13285 all the unnecessary string bashing.
13286 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13288 * cpplib.c (do_include): Use deps_add_dep.
13289 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13290 deps_allocated_size, deps_size, deps_column members with
13291 single pointer to a struct deps. Delete prototype of
13294 * cppinit.c: Fix thinko in previous patch.
13296 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13298 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13299 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13300 (mode_for_size_tree): New function.
13301 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13302 * tree.h (mode_for_size_tree): New declaration.
13304 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13306 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13308 * stmt.c (is_body_block): Move...
13309 * dwarfout.c, dwarf2out.c: ...from here.
13310 * tree.h: Declare it.
13311 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13312 * final.c (final_start_function): Do call remove_unnecessary_notes
13315 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13317 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13319 * cpplib.h (_dollar_ok): New macro.
13320 (is_idchar, is_idstart): Use it.
13321 (IStable): Rename to _cpp_IStable. Declare it const if
13322 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13323 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13324 is_space): Update for renamed IStable.
13326 * cppinit.c: Delete all references to FAKE_CONST and CAT
13327 macros. Define init_IStable as empty macro if gcc >=2.7 or
13328 C99. Change TABLE() to ISTABLE and hardcode name of table.
13329 (cpp_start_read): Don't change the IStable based on
13332 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13333 changed. Handle '$' for char1 correctly.
13334 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13336 * cppexp.c (tokentab2): Make const.
13337 (cpp_lex): Make toktab const.
13338 * cppinit.c (include_defaults_array): Make const.
13339 (initialize_standard_includes): Make default_include const.
13341 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13343 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13344 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13345 (gen_decl_die): Likewise.
13346 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13347 (output_decl): Likewise.
13349 * varasm.c (make_function_rtl): If we change the name used in the
13350 rtl, update DECL_ASSEMBLER_NAME accordingly.
13351 (make_decl_rtl): Likewise.
13353 * toplev.c (rest_of_compilation): Tweak formatting.
13355 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13356 remove_unnecessary_notes.
13357 (debug_ignore_block): New fn.
13358 * toplev.h: Declare it.
13359 * emit-rtl.c (remove_unncessary_notes): Call it.
13360 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13361 * dwarf2out.h: Declare it.
13362 * final.c (final_start_function): Don't call remove_unnecessary_notes
13363 if we did insn scheduling.
13365 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13367 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13368 * cpplib.h: Delete SET_CPP_PEDANTIC.
13370 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13372 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13373 result is a RECORD_TYPE.
13375 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13377 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13379 2000-03-03 Richard Henderson <rth@cygnus.com>
13381 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13382 addition over compliments over shifts.
13384 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13386 * reload1.c (reload_combine_note_use): Handle return register USEs.
13387 REG case: Handle multi-hard-register hard regs.
13389 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13391 * md.texi: Document use of '*' in insn pattern name.
13393 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13395 * calls.c (special_function_p): operator new may not be malloc-like.
13397 * gcse.c (dump_hash_table): Really fix error in last change.
13399 2000-03-02 Denis Chertykov <denisc@overta.ru>
13401 * avr.c (print_operand): Use print_operand_address instead of
13403 * avr/libgcc.S: Cleanup code.
13405 2000-03-02 Richard Henderson <rth@cygnus.com>
13407 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13409 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13411 * tree.h (TYPE_ALIGN_UNIT): New macro.
13413 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13415 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13417 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13419 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13421 (SET_CPP_PEDANTIC): New macro.
13422 * cpplib.c (do_include): Don't bother checking system_header_p.
13423 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13424 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13426 * function.h (struct expr_status): Add x_arg_space_so_far.
13427 (arg_space_so_far): New macro.
13428 * expr.c (init_expr): Initialize it.
13429 * calls.c (emit_call_1): Reset it.
13430 (compute_argument_block_size, expand_call): Use it.
13431 (expand_call, store_one_arg): Increment it.
13433 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13435 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13438 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13440 * cppfiles.c (cpp_read_file): New function.
13442 * cpphash.c (collect_expansion): Make sure to reset last_token
13443 to NORM when we hit a string. Handle trailing whitespace
13444 properly when the expansion is empty.
13445 (create_definition): Disable line commands while parsing the
13447 (dump_definition): If pfile->lineno == 0, output a line
13448 command ahead of the dump, and add a trailing newline.
13450 * cppinit.c (append_include_chain): Add fifth argument, which
13451 indicates whether or not system headers are C++ aware.
13452 (initialize_standard_includes): New function,
13453 broken out of read_and_prescan. Pass 'cxx_aware' value from
13454 the include_defaults_array on to append_include_chain.
13455 (dump_special_to_buffer): Const-ify char array.
13456 (builtin_array): Don't dump __BASE_FILE__.
13457 (cpp_start_read): Use cpp_read_file. Reorder code for
13458 clarity. Don't output line commands here for -D/-A/-U
13459 switches. Don't call deps_output for files included with
13460 -include or -imacros.
13462 * cpplib.c (do_define): Don't pay any attention to the second
13464 (cpp_expand_to_buffer): Disable line commands while scanning.
13465 (output_line_command): Work in the file buffer.
13466 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13467 Fix formatting of comments. Prototype cpp_read_file.
13469 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13471 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13472 reference the language-equivalent of sizetype.
13473 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13474 * fold-const.c (size_binop, size_diffop): Put back checks.
13475 * gcse.c (dump_hash_table): Fix minor error in last change.
13476 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13477 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13480 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13482 * calls.c (expand_call) Do not attempt to combine stack adjustments
13483 with inhibit_defer_pop set.
13485 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13487 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13488 the DECL_SIZE for a FIELD_DECL.
13490 2000-03-01 Bruce Korb <bkorb@gnu.org>
13492 * fixinc/inclhack.tpl: remove unused symlinks
13493 * fixinc/README: GCC Maintainer info
13494 * fixinc/inclhack.sh: regen
13495 * fixinc/fixincl.sh: regen
13497 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13499 * cpphash.c (collect_expansion): Trim trailing white space
13500 from macro definitions, but don't go past the last insertion
13503 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13505 * i386.md (mulqi3): New pattern.
13507 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13509 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13511 (struct cpp_reader): Add parsing_if_directive and
13512 parsing_define_directive flags.
13513 (struct cpp_options): Remove output_conditionals flag.
13514 (check_macro_name): Delete prototype.
13516 * cpphash.h (struct macrodef): Delete.
13517 (struct reflist): Separate from struct definition.
13518 (struct definition): Remove unused fields. Add column number.
13519 (create_definition): Returns a DEFINITION *. Takes a
13520 cpp_reader * and an int.
13522 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13523 (PEEKC): Copy defn from cpplib.c.
13524 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13526 (struct arglist): Simplify.
13527 (collect_expansion): Rewrite. Get tokens by calling
13528 cpp_get_token. Add more error checking.
13529 (collect_formal_parameters): New function, broken out of
13530 create_definition and reworked to use get_directive_token.
13531 (create_definition): All real work is now in collect_expansion
13532 and collect_formal_parameters. do_define handles finding the
13533 macro name. Return a DEFINITION, not a MACRODEF.
13534 (macroexpand): Replace bcopy with memcpy throughout. Replace
13535 character-at-a-time copy loop with memcpy and pointer increments.
13536 (compare-defs): d1->argnames / d2->argnames might be null.
13538 * cpplib.c (copy_rest_of_line): Delete function.
13539 (skip_rest_of_line): Do all the work ourselves.
13540 (skip_string): New function.
13541 (parse_string): Use skip_string.
13542 (get_macro_name): New function.
13543 (check_macro_name): Delete.
13544 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13545 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13546 (handle_directive): ICE if we're called on a macro buffer.
13547 (do_define): Determine macro name and type (funlike/objlike)
13548 here. Expunge all uses of MACRODEF.
13549 (cpp_push_buffer): Set line_base to NULL.
13550 (do_undef, read_line_number): Don't worry about getting a POP token.
13551 (eval_if_expression): Set/reset parsing_if_directive around
13552 cpp_parse_expr. Don't clear only_seen_white.
13553 (skip_if_group): Remove output_conditionals logic. Use
13555 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13556 tokens under appropriate conditions.
13557 (cpp_unassert): Call do_unassert not do_assert. Oops.
13559 * cppexp.c (parse_defined): New function, break out of
13561 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13562 ourselves, with cpp_defined.
13563 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13565 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13566 * gcc.dg/strpaste-2.c: New.
13568 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13570 * fold-const.c (size_binop): Don't asert inputs are the same and
13571 have TYPE_IS_SIZETYPE set.
13572 (size_diffop): Likewise.
13574 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13576 * dwarfout.c (output_block): Output abstract blocks even if they
13577 don't have TREE_ASM_WRITTEN set.
13579 * calls.c (emit_library_call): Check for null REG.
13581 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13583 * c-decl.c (current_function_decl): Move to toplev.c.
13584 (init_decl_processing): Don't add current_function_decl as a ggc
13586 * dbxout.c (dbxout_symbol): Change return type to int.
13587 (dbxout_symbol_location, dbxout_syms): Likewise.
13588 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13589 any locals. Use current_function_func_begin_label if set.
13590 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13591 * dwarf2out.c (dwarf2out_begin_prologue): Set
13592 current_function_func_begin_label.
13593 * final.c (final_start_function): Reset it.
13594 * toplev.c (current_function_decl): Define it here.
13595 (current_function_func_begin_label): New variable.
13596 (main): Add both as ggc roots.
13597 * tree.h (current_function_func_begin_label): Declare.
13599 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13601 * gcse.c: Cleanups throughout: mostly white-space, but also
13602 some minor rearrangement of code.
13604 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13606 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13607 returns a PARALLEL. Use emit_group_load and use_group_regs
13609 (emit_library_call_value): Similarly.
13611 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13612 * pa/quadlib.asm: Remove.
13613 * pa/quadlib.c: New file.
13615 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13616 * configure: Rebuilt.
13618 2000-02-29 Philip Blundell <pb@futuretv.com>
13620 * config/arm/conix-elf.h: New file.
13621 * configure.in (arm*-*-conix*): New configuration.
13622 * configure: Regenerate.
13624 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13626 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13627 don't have TREE_ASM_WRITTEN set.
13629 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13631 * Eliminate DECL_FIELD_SIZE.
13632 * builtins.c (built_in_class_names, built_in_names): New variables.
13633 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13634 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13635 DECL_SIZE, not DECL_FIELD_SIZE.
13636 * print-tree.c (print_node): Remove code that prints extra blank
13637 lines in some cases.
13638 Properly handle inline and builtin function cases.
13639 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13640 * tree.h (built_in_class_named, built_in_names): New declarations.
13641 (union tree_decl): Rename internal unions to u1 and u2 and change
13642 some of their components.
13643 Add new field built_in_class.
13644 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13645 Reflect above changes.
13646 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13647 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13648 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13649 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13651 2000-02-28 Dmitri Makarov <dim@windriver.com>
13653 * extend.texi: Document ARM's support for long/short calls.
13655 * invoke.texi: Document ARM's -mlong-calls command line switch.
13657 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13658 (arm_encode_call_attribute): Add prototype.
13659 (arm_set_default_type_attribute): Add prototype.
13660 (arm_strip_name_encoding): Add prototype.
13662 * config/arm/arm.c (arm_init_cumulative_args): replace
13663 initialisation og 'long_calls' field with initialisation of
13664 'call_cookie' field.
13665 (enum arm_pragma_enum): New enum.
13666 (arm_pragma_long_calls): New static variable.
13667 (arm_process_pragma): Also process "#pragma long_calls_off".
13668 (arm_valid_type_attribute_p): Accept short_call attribute.
13669 (arm_comp_type_attributes): Check long/short call attributes.
13670 (arm_encode_call_attribute): New function: Encode long_call
13671 or short_call attribute in function name.
13672 (arm_set_default_type_attributes): New function: Assign
13673 default attributes to newly defined type.
13674 (current_file_function_operand): New function: Return true if
13675 the symbol is a function which has already been compiled.
13676 (arm_is_longcall_p): New function: Return true if the
13677 indicated function should be called via a long call.
13678 (arm_get_strip_length): New function. Returns number of
13679 prefix characters to be stripped from a function's name.
13680 (arm_strip_name_encoding): New function. Strip prefix characters
13681 from a function's name.
13683 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13684 with 'call_cookie'.
13685 (SHORT_CALL_FAG_CHAR): Define.
13686 (LONG_CALL_FAG_CHAR): Define.
13687 (ENCODED_SHORT_CALL_ATTR_P): Define.
13688 (ENCODED_LONG_CALL_ATTR_P): Define.
13689 (ARM_NAME_ENCODING_LENGTHS): Define.
13690 (STRIP_NAME_ENCODING): Define.
13691 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13692 (ARM_ENCODE_CALL_TYPE): Define.
13693 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13694 (ARM_DECLARE_FUNCTION_SIZE): Define.
13695 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13697 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13698 if a long call is needed.
13699 (call_value): Ditto.
13700 (call_symbol): Ditto.
13702 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13703 ARM_DECLARE_FUNCTION_SIZE.
13705 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13706 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13707 (ARM_STRIP_NAME_ENCODING): Undefine.
13708 (STRIP_NAME_ENCODING): Undefine.
13709 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13710 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13711 (ASM_OUTPUT_COMMON): Ditto.
13712 (ASM_DECLARE_OBJECT_NAME): Ditto.
13714 * config/arm/pe.c (arm_dllexport_name_p): Check for
13716 (arm_dllimport_name_p): Ditto.
13717 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13718 (arm_mark_dllimport): Ditto.
13720 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13722 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13724 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13726 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13728 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13730 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13731 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13732 NO_BUILTIN_WCHAR_TYPE is not defined.
13733 (CPP_WCHAR_TYPE): Delete.
13734 * cccp.c (main): Don't change wchar_type if cplusplus.
13735 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13737 2000-02-28 Nick Clifton <nickc@cygnus.com>
13739 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13741 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13743 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13744 (ASM_WEAKEN_LABEL): Define.
13746 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13748 * expr.c (store_constructor): Do not emit USE.
13749 * rtl.h (stupid_life_analysis): Remove.
13751 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13753 * function.c (number_blocks): Reset next_block_index based on
13754 what debugging format is used, not what is defined.
13756 * lcm.c: Minor reformatting throughout.
13757 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13759 * toplev.c (rest_of_compilation): Account for time in
13760 optimize_mode_switching.
13762 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13763 if only marking labels.
13765 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13767 * calls.c (expand_call): Attempt to combine stack adjustments with
13768 pending stack adjustments.
13770 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13772 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13773 to the end of the function.
13775 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13777 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13779 * final.c (next_block_index): Remove.
13780 (max_block_depth): Likewise.
13781 (pending_blocks): Likewise.
13782 (init_final): Don't initialize them.
13783 (final_start_function): Don't set next_block_index. Set up
13785 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13786 * function.h (number_blocks): New function.
13787 * function.c (get_block_vector): New function.
13788 (identify_blocks): Use it.
13789 (reorder_blocks): Set NOTE_BLOCK.
13790 (number_blocks): New function.
13791 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13792 * tree.h (BLOCK_NUMBER): New macro.
13793 (tree_block): Add block_num field.
13794 * dbxout.c (next_block_number): Remove.
13795 (dbxout_init): Don't set it.
13796 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13797 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13799 * toplev.c (rest_of_compilation): Always call
13800 find_loop_tree_blocks. Fix indentation.
13801 * dwarf2out.c (next_block_number): Remove.
13802 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13803 to determine block numbers.
13804 (gen_inlined_subroutine_die): Likewise.
13805 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13806 (decls_for_scope): Don't increment next_block_number.
13807 * dwarfout.c (next_block_number): Remove.
13808 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13809 to determine block numbers.
13810 (output_inlined_subroutine_die): Likewise.
13811 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13812 (output_decls_for_scope): Don't increment next_block_number.
13813 * sdbout.c (next_block_number): Remove.
13814 (sdbout_block): Use BLOCK_NUMBER.
13815 (sdbout_begin_block): Simplify.
13816 * xcoffout.c (next_block_number): Remove.
13817 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13818 (xcoffout_begin_block): Don't set next_block_number.
13819 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13822 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13824 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13825 (expand_builtin_strcpy): Pass correct type to size_binop.
13826 (expand_builtin_strcmp): Likewise.
13827 Clean up conditional structure.
13828 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13829 (complete_array_type): Don't use size_binop for MAXINDEX.
13830 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13831 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13832 (c_alignof): Use size_one_node.
13833 (build_unary_op): Pass arg of proper type to size_binop.
13834 (really_start_incremental_init, push_init_level): Use sizetype for
13835 constructor{,_bit,_unfilled}_index.
13836 (pop_init_label, output_init_element): Likewise.
13837 (output_pending_init_elements, process_init_element): Likewise.
13838 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13839 * expr.c (store_expr): Use size_int.
13840 (store_constructor): Use proper types for size_binop args.
13841 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13842 (expand_expr_unaligned): Likewise.
13843 (string_contant): Return object of sizetype.
13844 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13845 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13846 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13847 * fold-const.c (int_const_binop): Refine when size_int is called.
13848 (fold_convert): Likewise.
13849 (size_int_wide): Rework to take KIND as arg, only take low order
13850 bits, handle new sizetype_tab datatype, and chain entries in
13852 (size_int_type_wide): New function.
13853 (size_binop): Validate types of arguments.
13854 (ssize_binop): Deleted.
13855 (size_diffop): New function.
13856 (extract_muldiv): Only fold division into multiplication for sizetypes.
13857 * function.c (assign_parms): Use size_diffop and make sure
13858 VAR field is of ssizetype; also pass proper type to size_binop.
13859 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13860 (round_down): Deleted from here.
13861 * store-layout.c (sizetype_tab): Now an array.
13862 (sizetype_set, early_root_list): New variables.
13863 (variable_size): Use size_one_node.
13864 (round_up): Pass proper type to size_binop.
13865 (round_down): Moved to here and corrected as above.
13866 (layout_record): Pass proper arg types to size_binop.
13867 (layout_type): Likewise.
13868 If sizetype_set is zero, record the type just laid out.
13869 (make_unsigned_type): Don't call set_sizetype;
13870 (make_signed_type): Likewise; also, call fixup_signed_type.
13871 (initialize_sizetypes): New function.
13872 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13873 set name of bitsizetype to "bit_size_type".
13874 Fix up type of sizes of all types made before call.
13875 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13876 * tree.c (fix_sizetype): Deleted.
13877 (build_common_tree_nodes): Call initialize_sizetypes.
13878 (build_common_tree_nodes_2): Don't call fix_sizetype.
13879 * tree.h (TYPE_IS_SIZETYPE): New macro.
13880 (initialize_sizetype): New declaration.
13881 (enum size_type_kind): New type.
13882 (struct sizetype_tab): Deleted.
13883 (sizetype_tab): Now array; adjust sizetype macros.
13884 (size_diffop, size_int_type_wide): New functions.
13885 (size_int_wide): Change number of args and type; access macros changed.
13886 (ssize_int, sbitsize_int): New macros.
13887 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13888 (ROUND_TYPE_SIZE_UNIT): New macro.
13890 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13892 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13894 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13896 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13897 Mark as possibly unused.
13899 * cse.c (cse_insn): Delete dead code involving tablejump.
13900 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13902 * Makefile.in (libcpp.a): Start by deleting it.
13904 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13906 * cpplib.h (enum file_change_code): Added rename_file.
13907 * cpplib.c (do_line): If a filename is given, set file_change to
13909 (output_line_command): If file_change is rename_file, always
13910 output a # directive with the file name.
13912 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
13914 2000-02-26 Mark Mitchell <mark@codesourcery.com>
13916 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
13917 when copying a PARM_DECL or RESULT_DECL.
13919 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13921 * fix-header.c (recognized_function): Also fix prototypes for
13922 functions taking "void".
13924 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13926 * reload1.c (do_output_reload): Check reg_reloaded_valid before
13927 looking at reg_reloaded_contents.
13929 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
13931 * Makefile.in (STMP_FIXINC): New toggle.
13932 (LIBGCC2_DEPS): Delete all references.
13933 (stmp-headers): Delete target. All references either deleted
13934 or changed to stmp-int-headers.
13935 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
13936 (LIBCPP_OBJS): Take out cppalloc.o.
13937 (cppalloc.o): Delete target.
13938 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
13939 (gen-protos, fix-header): Link with libiberty.a.
13940 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
13943 * configure.in: Remove refs to strerror.
13944 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
13945 * system.h: Take out strerror stanza.
13947 * cpperror.c (my_strerror): Delete function.
13948 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
13949 * cppmain.c (main): Call xmalloc_set_program_name first thing.
13950 * cppalloc.c: Delete file.
13951 * gen-protos.c: Don't provide xrealloc.
13953 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
13954 xstrerror throughout.
13956 2000-02-26 Bruce Korb <bkorb@gnu.org>
13958 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
13959 match for DOS headers, too.
13960 * fixinc/inclhack.sh,fixincl.x: Regenerate.
13962 2000-02-26 Geoff Keating <geoffk@cygnus.com>
13964 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
13965 is right for most ELF targets.
13966 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
13967 Let the default file use %U properly.
13968 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
13971 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
13974 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13976 * toplev.c (documented_lang_options): Correct spelling error.
13977 (decode_d_option, decode_f_option, main): Likewise.
13979 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
13981 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
13982 to tell assembler it is permitted to expand large constants.
13984 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
13986 * protoize.c: (AUX_INFO_SUFFIX): New macro.
13987 (aux_info_suffix): Use.
13988 (SAVE_SUFFIX): New macro.
13989 (save_suffix): Use.
13990 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
13991 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
13992 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
13994 * invoke.texi (Running Protoize): Update documentation.
13996 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
13998 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14000 2000-02-25 John Wehle (john@feith.com)
14002 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14004 2000-02-25 Anthony Green <green@cygnus.com>
14006 * toplev.c (rest_of_compilation): Rebuild jump labels if
14007 combine_instructions has created a new direct jump.
14008 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14010 (combine_instructions): Call try_combine with new argument.
14011 Return non-null value when new direct jump instruction is created.
14012 * rtl.h: combine_instructions returns an int.
14014 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14016 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14017 jump when changing a computed jump into a jump to a known
14020 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14022 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14023 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14025 * i386.md (define_expand "clrstrsi"): Fix typo.
14027 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14029 * rtl.texi: Fix typo.
14031 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14033 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14034 UNITS_PER_WORD. Change caller initial_elimination_offset.
14035 (rounded_frame_size): Take into account that argument pushed has
14036 changed. Fix TARGET_ALIGN_DOUBLE problem.
14038 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14040 * haifa-sched.c (schedule_block): Explain the real reason
14041 we delete REG_SAVE_NOTEs on the first insn of a block.
14042 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14044 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14046 * input.h (push_srcloc): New function.
14047 (pop_srcloc): Likewise.
14048 * toplev.c (push_srcloc): Define it.
14049 (pop_srcloc): Likewise.
14051 2000-02-24 Richard Henderson <rth@cygnus.com>
14053 * flow.c (life_analysis): When collecting reg info, clear
14056 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14058 Fix bug exposed by reload.c no longer rounding the frame
14059 size to BIGGEST_ALIGNMENT:
14060 * sh.c (rounded_frame_size): New function.
14061 (sh_expand_prologue, sh_expand_epilogue): Use it.
14062 (initial_elimination_offset): Likewise.
14064 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14066 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14067 * sh-protos.h (sh_need_epilogue): Declare.
14068 * sh.c (sh_need_epilogue_known): New static variable.
14069 (sh_need_epilogue): New function.
14070 (function_epilogue): Clear need_epilogue_known.
14071 * sh.md (return): Split into expander / insn pattern.
14072 Make the expander conditional on ! sh_need_epilogue ().
14074 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14076 * machmode.h (get_mode_alignment): Declare.
14077 (GET_MODE_ALIGNMENT): Call it.
14078 * stor-layout.c (get_mode_alignment): New function. Make
14079 sure alignment is always power of 2.
14081 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14083 * i386.h: Remove useless definition of "I386" and misleading
14086 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14088 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14089 under which TREE_PERMANENT will be set.
14090 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14091 build1): Use TREE_SET_PERMANENT.
14092 * print-tree.c (print_node): Don't report value of
14093 TREE_PERMANENT if ggc_p is true.
14095 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14096 decide whether to give a type a new alias set.
14097 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14098 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14099 of value of 'obstack'.
14102 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14104 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14106 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14108 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14109 * cpplib.c (cpp_get_token): Produce them.
14110 * cppexp.c (cpp_lex): Handle them.
14112 2000-02-23 Nick Clifton <nickc@cygnus.com>
14114 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14115 comment tests on type attributes.
14117 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14119 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14120 conform to documentation.
14121 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14122 to check for special cases.
14123 * sh-protos.h (sh_loop_align): Declare.
14124 * sh.c (sh_loop_align): Define.
14126 2000-02-22 Andrew Haley <aph@cygnus.com>
14128 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14129 (SIZE_TYPE): Is 32 bits when using -mgp32.
14130 (PTRDIFF_TYPE): Ditto.
14132 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14134 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14136 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14138 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14139 BIGGEST_FIELD_ALIGNMENT a constant.
14141 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14143 * dwarf2out.c (output_line_info): Put the marker for the end of
14144 the line number info at the actual end.
14145 (gen_struct_or_union_type_die): Use decl_function_context
14146 to check for local classes.
14147 * dwarfout.c (output_type): Likewise.
14149 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14151 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14152 for arguments with a mode, but no type.
14153 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14154 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14155 * pa/long_double.h: New file.
14156 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14157 both have 128bit wide long doubles.
14158 * configure: Rebuilt.
14160 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14162 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14164 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14165 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14166 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14168 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14170 * integrate.c (compare_blocks, find_block): Likewise.
14172 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14174 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14176 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14177 expand_asm_operands): Likewise.
14179 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14181 * predict.c (estimate_probability): Added the pointer heuristic to
14182 the collection of static branch predictors.
14184 2000-02-21 Catherine Moore <clm@cygnus.com>
14186 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14187 * invoke.texi (-mfix7000): Document.
14189 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14191 * diagnostic.c (init_output_buffer): Make it possible to output at
14192 least 32 characters if we're given a too long prefix.
14194 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14196 * varasm.c (initializer_constant_valid_p): Call
14197 lang_expand_constant to simplify the constant.
14199 2000-02-20 Bruce Korb <bkorb@gnu.org>
14201 * fixinc/inclhack.def(stdio_va_list):
14202 typedef needs to be disabled.
14203 * fixinc/inclhack.sh: regen
14204 * fixinc/fixincl.x: regen
14206 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14208 * print-rtl.c (print_rtx): Don't print addresses when
14209 flag_dump_unnumbered.
14211 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14213 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14215 (sparc_va_arg, sparc_flat_output_function_prologue,
14216 sparc_flat_output_function_epilogue): Cast value to unsigned in
14218 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14220 * sparc.md: Add default case in switch.
14222 2000-02-19 Richard Henderson <rth@cygnus.com>
14224 * c-typeck.c (add_pending_init): Don't abort for multiple
14225 fields at the same offset.
14226 (pending_init_member): Test the correct member.
14228 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14230 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14232 (start_catch_handler) : Same.
14234 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14236 * Makefile.in: Have flow.o depend on $(EXPR_H)
14238 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14240 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14241 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14242 (finish_decl): Remove -Wlarger-than code from here.
14243 * flags.h (id_clash_len): Now int.
14244 (larger_than_size): Now HOST_WIDE_INT.
14245 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14246 Clean up checking to see if in table.
14247 (make_bit_field_ref): Remove extra parm to bitsize_int.
14248 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14249 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14250 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14251 and for computing size of decl.
14252 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14253 Move -Wlarger-than code to here.
14254 (layout_record): Remove extra arg to bitsize_int.
14255 Set TYPE_BINFO_SIZE_UNIT.
14256 (layout_union): Remove extra arg to bitsize_int.
14257 Use proper type for size of QUAL_UNION.
14258 (layout_type): Remove extra arg to bitsize_int.
14259 * toplev.c (id_clash_len): Now int.
14260 (larger_than_size): Now HOST_WIDE_INT.
14261 (decode_W_option): Clean up id-clash and larger-than- cases.
14262 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14263 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14264 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14265 (struct tree_decl): New field size_unit.
14266 (size_int_wide): No HIGH operand; NUMBER is now signed.
14267 (size_int_2): Deleted.
14268 (size_int, bitsize_int): Don't use it and rework args.
14269 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14271 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14273 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14275 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14277 * invoke.texi (Warning Options): Add an explanation of why
14278 you might want the -Wfloat-equal flag.
14280 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14282 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14283 * cppinit.c (new_pending_define): Add cast to avoid warning.
14284 * expmed.c (extract_bit_field): Likewise.
14285 * flow.c (enum reorder_skip_type): New type.
14286 (skip_insns_between_blcok): New it.
14287 Rework to avoid warning about possibly undefined variable.
14288 * function.c (assign_parms): Make thisparm_boundary unsigned.
14289 * genrecog.c (write_switch): Cast XWINT result to int.
14290 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14291 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14292 one for MIPS and one for Alpha.
14293 (get_tag, copy_object): Add casts to avoid warnings.
14294 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14295 * reload.c (find_reloads): Make TYPE enum reload_type.
14296 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14297 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14298 * varasm.c (compare_constant_1): Add cast to avoid warning.
14299 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14301 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14302 Cast switch operand of size to int.
14303 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14304 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14307 2000-02-18 Nick Clifton <nickc@cygnus.com>
14309 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14310 anything for an alignment of zero.
14312 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14313 anything for an alignment of zero.
14315 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14317 * gcc.texi (Bug Reporting): Refer to bugs.html.
14318 (Bug Lists): Likewise.
14319 * system.h (GCCBUGURL): New preprocessor define.
14320 * rtl.c (fancy_abort): Use it.
14321 * gcc.c (main): Likewise.
14323 2000-02-18 Richard Henderson <rth@cygnus.com>
14325 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14326 (life_analysis_1): Subsume into ...
14327 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14328 Use update_life_info for the relaxation.
14329 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14330 entry and regs_live_at_setjmp.
14331 (set_noop_p): Simplify.
14332 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14333 (record_volatile_insns): Split into ...
14334 (delete_noop_moves): ... here,
14335 (notice_stack_pointer_modification): ... here,
14336 (insn_dead_p): ... and here.
14337 (propagate_block): Don't query INSN_VOLATILE.
14338 (mark_used_regs): Mind !PROP_REG_INFO.
14339 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14340 not in life_analysis.
14342 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14344 * loop.c (canonicalize_condition): New function,
14345 broken out of get_condition.
14346 (get_condition): Use it.
14347 * expr.h (canonicalize_condition): Prototype it.
14349 * tree.h (tree_int_cst_msb): Declare.
14350 * tree.c (tree_int_cst_msb): New function.
14352 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14354 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14357 * invoke.texi (-fmessage-length=n): Document.
14359 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14361 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14363 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14365 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14366 after the prologue.
14368 2000-02-17 Nick Clifton <nickc@cygnus.com>
14370 * config/arm/thumb.c: Replace includes of system headers with
14371 #include "system.h".
14373 2000-02-16 Richard Henderson <rth@cygnus.com>
14375 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14376 Add crtbeginS.o and crtendS.o.
14377 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14378 (ENDFILE_SPEC): Use crtendS.o.
14379 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14381 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14382 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14383 shared and present.
14384 (__dso_handle): New variable.
14385 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14386 bias to __CTOR_END__.
14388 2000-02-16 Richard Henderson <rth@cygnus.com>
14390 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14392 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14394 * longlong.h (__clz_tab): Declare as static to match definition.
14396 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14398 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14399 (XREF_FILE_NAME): Define.
14401 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14402 (EH_FRAME_SECTION_ASM_OP): Define.
14403 (IDENT_ASM_OP): Define.
14404 (TEXT_SECTION_ASM_OP): Define.
14405 (CPP_SPEC): Define.
14406 (CTORS_SECTION_ASM_OP): Define.
14407 (CTOR_SECTION_FUNCTION): Use it.
14408 (DTORS_SECTION_ASM_OP): Define.
14409 (DTOR_SECTION_FUNCTION): Use it.
14411 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14413 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14416 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14417 debug_bb_n): New functions.
14418 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14419 * basic-block.h: Prototype new functions.
14421 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14423 * configure.in: Add support for avr target.
14424 * configure: Rebuilt.
14426 * invoke.texi: Add AVR invocation docs.
14427 * install.texi: Add information about AVR.
14428 * md.texi: Add AVR constraint letters description.
14429 * extend.texi: Add description for AVR specific attributes.
14431 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14433 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14435 2000-02-16 Nick Clifton <nickc@cygnus.com>
14437 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14438 (make_insn_raw): Move RTL check here.
14440 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14442 * version.c: Include gansidecl.h and version.h.
14444 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14446 * configure.in (gcc_version): When setting, narrow search to
14447 lines containing `version_string'.
14449 * Makefile.in (mainversion): Likewise.
14450 (GCC_H): New variable.
14451 (gcc.h): Delete target.
14452 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14453 (version.o): Depend on version.h.
14454 (dbxout.o): Don't depend on gcc.h.
14456 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14457 Michael Meissner <meissner@cygnus.com>
14459 * md.texi (Simple Constraints): Add item about whitespace.
14460 * genoutput.c (strip_whitespace): New.
14461 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14462 strip_whitespace for constraints.
14463 Test pointer using NULL, not 0.
14465 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14467 * cpplib.c (do_line): Pedwarn for #line > 32767.
14469 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14471 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14473 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14474 to default cpp spec.
14475 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14476 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14479 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14482 2000-02-15 Denis Chertykov <denisc@overta.ru>
14484 * configure.in: Add support for avr target.
14486 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14488 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14489 (sh_addr_diff_vec_mode): Don't declare.
14490 * sh.c (sh_addr_diff_vec_mode): Delete.
14492 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14494 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14496 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14498 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14499 (smulsi3_highpart_i): Name.
14500 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14501 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14502 (smulsi3_highpart, umulsi3_highpart): Likewise.
14504 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14505 correctly independent of endianness.
14506 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14507 confuse the optimizers.
14508 (mulsidi3+1, umulsidi3+1): New define_split.
14510 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14512 * config/sh/sh.md: Guard insn splits against illegal registers.
14513 * config/sh/sh.h: Correct comment about macros.
14515 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14516 Andrew MacLeod <amacleod@cygnus.com>
14518 * Makefile.in (lcm.o): Depend on insn-attr.h.
14519 * basic-block.h (optimize_mode_switching): Declare.
14520 * lcm.c (tm_p.h, insn-attr.h): #include.
14521 (seginfo, bb_info): New structs.
14522 (antic, transp, comp, delete, insert) : New file-scope static variables.
14523 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14524 (reg_becomes_live, optimize_mode_switching): Likewise.
14525 * tm.texi: Add description of mode switching macros.
14526 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14528 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14529 (fldi_ok, fpscr_set_from_mem): New prototypes.
14530 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14531 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14532 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14533 (sh_flag_remove_dead_before_cse): Remove declaration.
14534 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14535 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14536 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14537 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14538 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14539 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14540 (fldi_ok): New function.
14541 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14542 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14543 (emit_df_insn): Likewise.
14544 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14545 (sh_flag_remove_dead_before_cse): Delete.
14546 (get_free_reg, fpscr_set_from_mem): New functions.
14547 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14548 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14550 2000-02-15 Loren Rittle <ljrittle@acm.org>
14552 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14554 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14556 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14557 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14559 * cccp.c: Include version.h and/or don't declare `version_string'.
14560 * collect2.c: Likewise.
14561 * alpha.c: Likewise.
14562 * arm/aof.h: Likewise.
14563 * arm/coff.h: Likewise.
14564 * arm/elf.h: Likewise.
14565 * arm/pe.h: Likewise.
14566 * arm/tcoff.h: Likewise.
14567 * arm/telf.h: Likewise.
14568 * arm/tpe.h: Likewise.
14569 * arm/vxarm.h: Likewise.
14570 * convex/convex.c: Likewise.
14571 * i386/dgux.c: Likewise.
14572 * i386/sun386.h: Likewise.
14573 * m88k/m88k.c: Likewise.
14574 * mcore/mcore-pe.h: Likewise.
14575 * mips/mips.h: Likewise.
14576 * romp/romp.h: Likewise.
14577 * sh/sh.c: Likewise.
14578 * cpphash.c: Likewise.
14579 * cppinit.c: Likewise.
14580 * dwarf2out.c: Likewise.
14581 * dwarfout.c: Likewise.
14584 * mips-tfile.c: Likewise.
14585 * protoize.c: Likewise.
14586 * toplev.c: Likewise.
14587 * tree.h: Likewise.
14589 * version.c (version_string): Constify a char*.
14591 * version.h: New file.
14593 2000-02-14 Nick Clifton <nickc@cygnus.com>
14595 * configure.in: Add mcore-elf and mcore-pe targets.
14596 * configure: Regenerate.
14598 * NEWS: Add note that MCore port has been contributed.
14600 * invoke.texi: Document command line switches for MCore port.
14601 * install.texi: Add MCore to list of supported targets.
14603 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14605 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14606 then we will need to import the frame handling functions.
14607 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14608 to import the frames themselves.
14610 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14611 Jason Eckhardt <jle@cygnus.com>
14613 * basic_block.h: Added prototype for reorder_basic_blocks.
14614 * toplev.c: Changes to add -freorder-blocks and graph dump after
14615 block reordering is done.
14616 * flow.c (reorder_block_def): New structure for use during block
14618 (REORDER_BLOCK_*): New macros to access members of above structure.
14619 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14620 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14621 functions for block reordering.
14623 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14625 * gcc.texi (Passes): Fix typo.
14626 * md.texi (Standard Names): Ditto.
14627 * tm.texi (Storage Layout): Ditto.
14629 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14631 * cpplib.c (do_define): Only free the old definition if it
14634 2000-02-13 Neil Booth <NeilB@earthling.net>
14636 * cppfiles.c (read_and_prescan): When emitting deferred
14637 newlines, test speccase[] again instead of checking each
14638 possible whitespace character in turn. When we encounter \r,
14639 look behind for \n first, then ahead.
14641 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14643 * cse.c (cse_altered): New internal flag.
14644 (cse_insn): Set it if we changed an insn.
14645 (cse_main): Clear cse_altered before each basic block.
14646 Only garbage collect if cse_altered is true afterward.
14648 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14650 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14652 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14654 * combine.c (simplify_comparison): Fix typo.
14656 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14658 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14661 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14663 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14664 previously inserted node instead of root node. Caller changed.
14666 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14668 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14670 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14672 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14673 __dereg_frame_dtor): Add prototype argument.
14675 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14677 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14679 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14681 * gthr-vxworks.h (__gthread_once): Likewise.
14683 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14685 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14687 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14688 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14689 stack pointer in functions w/o saved registers, output LEAVE more often
14690 on TARGET_USE_LEAVE machines.
14692 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14694 * config/arm/arm.c (arm_init_cumulative_args); New function:
14695 Initlaise the CUMULATIE_ARGS strcuture for a function
14697 (arm_function_arg): New function: Determine where to place a
14698 function's argument. Also handles deciding the function's
14700 (current_file_function_operand): New function: Return true if
14701 the symbol is a function which has already been compiled.
14702 (arm_is_long_call_p): New function: Return true if the
14703 indicated function should be called via a long call.
14704 (arm_valid_type_attribute_p): New function: Return true if the
14705 attribute is a valid, arm specific, attribute.
14706 (arm_comp_type_attribute): New function: Return true if the
14707 two types have compatable, arm specific, attributes.
14709 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14711 (FUNCTION_ARG): Redefine to call arm_function_arg.
14712 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14714 (INIT_CUMULATIVE_ARGS): Redefine to call
14715 arm_init_cumulative_args.
14716 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14718 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14720 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14722 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14723 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14724 (COMP_TYPE_ATTRIBUTES): Define.
14726 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14727 if a long call is needed.
14728 (call_value): Call arm_is_long_call_p to decide if a long call
14730 (call_symbol): Call arm_is_long_call_p to decide if a long call
14733 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14735 2000-02-11 Denis Chertykov <denisc@overta.ru>
14737 * README.AVR: New file with information about the avr ports.
14738 * config/avr: New directory with avr port files.
14740 2000-02-11 Andreas Jaeger <aj@suse.de>
14742 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14744 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14746 * cpphash.c: Fix formatting, update commentary.
14747 (dump_definition): Take three separate arguments instead of a
14748 MACRODEF structure argument.
14749 * cpphash.h: Update prototype of dump_definition.
14750 * cppinit.c (cpp_finish): Update call of dump_definition.
14752 * cpplib.c (do_define): Always create new hash entry with
14753 T_MACRO type. Remove redundant check for redefinition of
14754 poisoned identifier. Update call of dump_definition.
14755 (do_undef): Don't call check_macro_name. Rename sym_length to
14757 (do_error, do_warning): Don't use copy_rest_of_line or
14759 (do_warning): Don't use pedwarn for the actual warning,
14760 only the notice about its not being in the standard. (Fixes
14761 bug with #warning in system headers.)
14762 (do_ident): Stricter argument checking - accept only a single
14763 string after #ident. Also, macro-expand the line.
14764 (do_xifdef): Use cpp_defined. De-obfuscate.
14766 (do_pragma): Split out specific pragma handling to separate
14767 functions. Use get_directive_token. Update commentary. Do
14768 not pass on #pragma once or #pragma poison to the front end.
14769 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14770 do_pragma_default): New.
14772 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14774 * jump.c (jump_optimize_1): The first operand in a relational
14775 can be a CONST_INT.
14776 * optabs.c (emit_conditional_move): Handle relationals which
14777 have a known true/false result.
14779 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14781 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14782 a RETURN insn into a block which already ends with a jump.
14784 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14786 * haifa-sched.c (BUF_LEN): Increase a lot.
14788 2000-02-11 Nick Clifton <nickc@cygnus.com>
14790 * configure.in: Add tm_p_file specification for thumb targets.
14791 * configure: Regenerate.
14793 * config/arm/thumb-protos.h: New file: Prototypes for exported
14794 functions defined in thumb.c.
14796 2000-02-11 Robert Lipe <robertl@sco.com>
14798 * Makefile.in (bootstrap-lean): Remove additional files.
14799 (bootstrap2-lean): Likewise.
14800 (VOL_FILES): List of files for above.
14802 2000-02-11 Nathan Sidwell <nathan@acm.org>
14804 * cpphash.c (special_symbol): Remove spurious argument to
14807 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14809 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14811 * configure: Rebuilt.
14813 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14815 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14817 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14819 * pa.c, pa.h: Remove trigraph sequences within comments.
14821 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14823 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14825 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14827 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14829 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14831 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14833 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14835 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14836 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14837 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14838 (ASM_FILE_END): Use c4x_file_end.
14839 * config/c4x/c4x.c (c4x_global_label): New function.
14840 (c4x_external_ref, c4x_file_end): Likewise.
14842 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14843 (c4x_external_ref, c4x_end_file): Likewise.
14845 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14847 * cppexp.c: Don't include cpphash.h.
14848 (parse_charconst, cpp_lex): Use cpp_defined.
14849 (cpp_lex): Use get_directive_token throughout. Remove
14850 unnecessary cases from switch. Move assertion-handling code
14851 down to OTHER case.
14852 (cpp_parse_expr): If we see '+' or '-', check the context to
14853 determine if they are unary or binary operators. Streamline
14854 the jumps a bit. Do not call skip_rest_of_line.
14856 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14857 static. Export get_directive_token. Update commentary.
14858 (cpp_defined): New function.
14859 (do_define): Remove reference to T_PCSTRING. Call
14860 free_definition to release memory for old definition, when
14861 redefining a macro.
14862 (eval_if_expression): Set only_seen_white to 0 before calling
14863 cpp_parse_expr. Call skip_rest_of_line after it returns.
14864 (cpp_read_check_assertion): Don't preserve a pointer into the
14865 token buffer across a call to cpp_get_token.
14867 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14868 * cppfiles.c (redundant_include_p): Use cpp_defined.
14869 * cpphash.c (free_definition): New function.
14870 (delete_macro): Use it. Update commentary.
14871 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14873 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14874 from enum node_type. Prototype cpp_defined and get_directive_token.
14875 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14877 * fix-header.c (check_macro_names): Use cpp_defined.
14878 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14879 the options structure.
14881 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14883 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14885 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14887 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14888 rather than die->die_tag.
14890 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14892 * combine.c (make_extraction, force_to_mode): Avoid warning on
14893 mixed-signedness conditionals.
14894 (make_field_assignment, nonzero_bits): Likewise.
14895 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14896 (store_split_bit_field, extract_split_bit_field): Likewise.
14897 (extract_fixed_bit_field, store_bit_field,
14898 * expr.c: Change alignment to be unsigned everywhere.
14899 (move_by_pieces, store_constructor_field, store_constructor):
14900 Alignment parm is unsigned.
14901 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14902 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14903 (do_compare_rtx_and_jump): Likewise.
14904 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
14905 Compare align with GET_MODE_ALIGNMENT.
14906 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
14907 (get_inner_reference): Likewise.
14908 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
14909 (expand_assignment): Local vars for alignment now unsigned.
14910 (store_constructor, store_field, expand_expr, do_jump): Likewise.
14911 (do_compare_and_jump): Likewise.
14912 (store_field): Call new function expr_align.
14913 * expr.h (emit_block_move, emit_group_load, emit_group_store):
14914 Alignment arg now unsigned.
14915 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14916 (do_compare_rtx_and_jump, store_bit_field): Likewise.
14917 (extract_bit_field): Likewise.
14918 * fold-const.c (add_double): Add cast to eliminate signedness warning.
14919 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
14920 (get_best_mode): Alignment arg is unsigned.
14921 * rtl.h (move_by_pieces): Likewise.
14922 * store-layout.c (maximum_field_alignment, set_alignment):
14924 (layout_decl): Alignment arg is now unsigned.
14925 Remove unneeded casts.
14926 (layout_record, layout_union, layout_type): Remove unneeded casts.
14927 Local alignment variables now unsigned.
14928 (get_best_mode): Alignment arg now unsigned.
14929 * tree.c (expr_align): New function.
14930 * tree.h (expr_align): Likewise.
14931 (maximum_field_alignment, set_alignment): Now unsigned.
14932 (get_inner_reference): Alignment argument is now pointer to unsigned.
14933 * varasm.c (assemble_variable): Add cast to eliminate warning.
14935 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
14937 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
14938 then store directly into op0.
14940 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
14941 the CALL_INSN, and emit the note immediately after it.
14943 2000-02-10 Nick Clifton <nickc@cygnus.com>
14945 * config/arm/thumb.md (epilogue): Include a (return) in the
14946 generated insn, and emit it using emit_jump_insn not
14949 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
14951 * function.c (assign_temp): Change zero-sized arrays to size 1.
14952 * integrate.c (expand_inline_function): Do not update
14953 stack_alignment_needed
14954 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
14955 add some sanity checking, remove optimization for function with
14958 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14960 * flow.c (mark_regs_live_at_end): Delete unused variables.
14962 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
14964 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
14965 in macro FRAME_GROWS_DOWNWARD.
14967 * stmt.c (expand_end_bindings): Delete unused variable.
14969 * unroll.c (iteration_info): Mark parameter `loop' with
14972 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14974 * fixinc/server.c (load_data): Return NULL if the marker line is
14976 (run_shell): If load_data returns NULL, retry the command once, in
14979 * configure: Rebuilt.
14981 2000-02-09 Bruce Korb <bkorb@gnu.org>
14983 * gcc/fixincludes: ** DELETED **
14984 * gcc/fixcpp: ** DELETED **
14985 * gcc/fixinc-nt.sed: ** DELETED **
14986 * gcc/just-fixinc: ** DELETED **
14987 * gcc/Makefile.in: Removed out-dated commentary
14988 * gcc/configure.in: Removed fast-fixincludes disablement.
14989 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
14991 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
14992 * function.c (thread_prologue_and_epilogue_insns): Uncomment
14995 2000-02-09 Richard Henderson <rth@cygnus.com>
14997 * jump.c (delete_insn): Don't delete user labels at -O0.
14999 2000-02-09 Robert Lipe <robertl@sco.com>
15001 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15002 Don't link with HOST_LIBS.
15004 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15006 * configure.in: Correct --help text for --with-dwarf2.
15007 Put tm-dwarf2.h after other tm files, if it's requested.
15008 * configure: Regenerate.
15009 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15012 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15014 * cpplib.h: Provide HASHNODE typedef and forward decl of
15015 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15016 DEFINITION, struct hashnode, struct macrodef, struct
15017 definition, scan_decls prototype, default defn of
15018 INCLUDE_LEN_FUDGE moved elsewhere.
15020 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15021 definition, and struct hashnode moved here. Remove the unused
15022 'predefined' field from struct definition. Replace the 'args'
15023 union with its sole member. All users updated (cpphash.c).
15024 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15025 multiple include guard.
15027 * cpphash.c (hashf): Make static; use better algorithm; drop
15028 HASHSIZE parameter; return an unsigned int.
15029 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15030 used. Calculate HASHSIZE modulus here.
15031 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15033 (create_definition): Drop PREDEFINITION parameter.
15034 * cpplib.c (do_define): Don't calculate a hash value here.
15035 Don't pass (keyword == NULL) to create_definition.
15037 * scan.h: Prototype scan_decls here.
15038 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15039 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15040 callers of cpp_lookup and cpp_install updated.
15042 * cpphash.c (macarg): Hoist all the flag diddling out of the
15044 (macroexpand): ... and out of the loop that calls macarg.
15045 Skip over the initial paren before macro arguments with
15046 cpp_get_non_space_token; point may be some distance before
15047 that paren. Abort if it's not there.
15049 * cpplib.c (parse_clear_mark): Delete function.
15050 (parse_set_mark, parse_goto_mark): Make static.
15051 (ACTIVE_MARK_P): New macro.
15052 (skip_block_comment, skip_line_comment): Do not bump the line
15053 if ACTIVE_MARK_P is true.
15054 (cpp_pop_buffer): The buffer to be popped may not have an
15056 (cpp_get_token): When looking for the initial paren before
15057 macro arguments, only set a mark in a file buffer, Always
15058 return to that mark before proceeding to call macroexpand or
15059 return a NAME token.
15061 * cpplib.h: Remove prototypes of parse_set_mark,
15062 parse_clear_mark, parse_goto_mark.
15063 (struct cpp_options): Rename 'put_out_comments' to
15064 'discard_comments' and invert its sense.
15065 * cppinit.c, cpphash.c, cpplib.c: All users of
15066 put_out_comments changed to use discard_comments, with
15069 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15071 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15072 the edge from a block that both jumps and falls through to the
15075 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15077 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15078 constant source address is legitimate.
15080 2000-02-09 Philip Blundell <pb@futuretv.com>
15082 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15085 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15087 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15089 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15091 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15092 ends with a newline and a NUL. Don't be so clever manipulating
15095 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15097 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15098 not to BIGGEST_ALIGNMENT.
15100 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15102 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15103 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15104 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15105 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15106 * frame.c (execute_cfa_insn): Handle
15107 DW_CFA_GNU_negative_offset_extended.
15109 2000-02-08 Richard Henderson <rth@cygnus.com>
15111 * flow.c (tidy_fallthru_edges): Split out from ...
15112 (delete_unreachable_blocks): ... here.
15113 (find_basic_blocks): Use it.
15115 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15117 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15119 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15121 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15122 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15123 (fix-header.o): Don't depend on cpphash.h.
15125 * scan.c (hashstr): New function.
15126 * scan.h: Prototype it.
15127 * fix-header.c: Don't include cpphash.h. Use hashstr.
15128 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15129 hashstr. Report hash table statistics. Add private
15130 definition of xrealloc.
15132 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15134 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15136 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15138 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15139 jumps with returns unless they are jumps to the fallthru block.
15141 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15143 * i386.md (addqi3_cc): Fix contraints.
15145 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15147 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15149 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15151 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15152 carriage return after a macro name.
15154 2000-02-07 Fred Fish <fnf@be.com>
15156 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15157 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15159 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15161 * cppfiles.c (deps_output): Count spacers in deps_column.
15163 2000-02-07 Neil Booth <NeilB@earthling.net>
15165 * cppinit.c (initialize_dependency_output): If there is no
15166 suffix, don't try to look for known suffixes. Use strrchr.
15167 (cpp_start_read): Remove duplicate initialization.
15169 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15171 * calls.c (compute_argument_block_size): New argument
15172 preferred_stack_boundary.
15173 (expand_call): update cfun->preferred_stack_boundary, update call of
15174 compute_argument_block_size
15175 (emit_library_call): Increate cfun->preferred_stack_boundary
15176 to PREFERRED_STACK_BOUNDARY
15177 (emit_library_call_value): Likewise.
15178 * explow.c (allocate_dynamic_stack_spave): Likewise.
15179 * function.c (prepare_function_start): Set
15180 cfun->preferred_stack_boundary
15181 * function.h (struct function): Add preferred_stack_boundary field.
15182 * integrate.c (expand_inline_function): Update
15183 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15184 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15185 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15187 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15189 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15190 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15191 cpp_pedwarn, cpp_pedwarn_with_line,
15192 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15193 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15194 v_cpp_error_with_line, v_cpp_warning_with_line,
15195 cpp_message_from_errno, cpp_perror_with_name): Delete.
15197 * cpperror.c (cpp_print_containing_files): Take starting
15198 buffer as argument.
15199 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15200 (v_cpp_message): Now called directly by all entry points.
15202 (cpp_pfatal_with_name, cpp_message): Delete.
15203 (cpp_notice_from_errno, cpp_ice): New functions.
15204 (cpp_notice): Is now for reporting error conditions, just
15205 without an associated file.
15206 (cpp_error, cpp_error_with_line): Don't do anything if
15207 opts->inhibit_errors is on.
15208 (cpp_pedwarn_with_file_and_line): Take column argument also.
15210 * cpplib.h: Update prototypes of exported functions.
15211 (struct cpp_options): Add inhibit_errors.
15213 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15214 non-error messages. Include intl.h.
15216 * cppinit.c, cppmain.c: Likewise. Also, use
15217 cpp_notice_from_errno instead of cpp_perror_with_name or
15218 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15220 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15221 report internal errors.
15223 * cpplib.c (do_define): Switch bcopy to memcpy.
15224 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15226 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15227 bail out early if we hit a line comment.
15229 2000-02-06 Richard Henderson <rth@cygnus.com>
15231 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15232 * basic-block.h: Declare them.
15233 * emit-rtl.h (active_insn_p): New.
15234 (next_active_insn, prev_active_insn): Use it.
15235 * rtl.h: Declare it.
15236 * function.c (emit_return_into_block): New.
15237 (thread_prologue_and_epilogue_insns): Insert return insns instead
15238 of epilogues when possible.
15239 * jump.c (jump_optimize_1): Remove code to insert a return insn
15240 on the fallthru to the exit block.
15242 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15243 and for non-empty stack frames.
15244 * i386.md (return): Expand to return-pop as needed.
15246 2000-02-06 Richard Henderson <rth@cygnus.com>
15248 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15249 constant to op1 for testing.
15251 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15253 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15254 (fixuns_truncqfqi2): Use it.
15256 2000-02-06 Richard Henderson <rth@cygnus.com>
15258 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15259 as a TYPE_LEA insn.
15261 * i386.md (widening and peepholes): Mask the constant instead of
15264 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15266 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15267 input pointer before possibly branching off to the backslash
15269 * cpphash.c (macroexpand): Correctly delete \r escapes when
15270 stringifying parameters.
15271 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15272 if we can; bail out early if we hit a line comment.
15273 (handle_directive): Treat '# 123' in an .S file just like
15274 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15275 Return 1 for '# not_a_directive'.
15276 (get_directive_token): Pop macro buffers here, so that
15277 cpp_get_token can't sneakily move past a newline.
15279 (cpp_get_token): goto randomchar if handle_directive returns 0.
15281 * cppalloc.c: Update copyright.
15282 * cpplib.c: Merge all the static function prototypes into one
15284 * cpplib.h: Remove #if 0 block.
15286 * cpperror.c: Remove #ifdef EMACS block.
15287 * cppmain.c: Likewise.
15288 * cpphash.c: Remove #if 0 blocks.
15289 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15290 * cpplib.c: Remove #if 0 blocks and code referencing
15291 pcp_inside_if or for_lint. Remove duplicate error message.
15292 Fix error messages for #else after #else or #elif. Reformat.
15293 Remove archaic TODO list.
15294 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15296 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15298 * i386/osf1elf.h: Add missing backslash to multiline string.
15300 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15302 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15304 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15306 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15308 * c-common.c: Include expr.h.
15310 * c-pragma.c (mark_align_stack): Add prototype.
15312 * caller-save.c (add_stored_regs): Likewise.
15314 * combine.c (record_promoted_value): Likewise.
15316 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15319 * cppinit.c (new_pending_define): Likewise.
15321 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15323 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15324 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15325 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15326 class_scope_p): Likewise.
15328 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15329 dwarf2out_add_library_unit_info): Likewise.
15331 * ggc.h (ggc_page_print_statistics): Likewise.
15333 * haifa-sched.c (propagate_deps): Likewise.
15335 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15337 * rtl.h (set_stack_check_libfunc): Likewise.
15339 * toplev.h (set_fatal_function): Likewise.
15341 * toplev.c (set_fatal_function): Delete prototype.
15343 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15345 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15347 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15348 (FUNC_END): Likewise.
15350 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15352 * caller-save.c: Include tm_p.h.
15354 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15356 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15358 2000-02-04 Neil Booth <NeilB@earthling.net>
15360 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15363 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15365 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15366 * genflags.c: Use the max_operand_1 logic from genemit.c to
15367 calculate how many arguments gen_insn prototypes have. Remove
15368 NO_MD_PROTOTYPES ifdefs from the generated file.
15369 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15370 file. Cast gen_insn initializers to insn_gen_fn.
15371 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15372 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15374 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15376 * fixinc/Makefile.in (HDR): Add machname.h.
15379 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15381 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15382 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15383 (c4x_cpu_version): Ditto.
15384 * config/c4x/c4x-protos.h: ... here.
15386 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15388 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15389 gen_abstract_function on our context if we're a nested function.
15391 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15393 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15394 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15396 2000-02-04 Bruce Korb <bkorb@gnu.org>
15398 * fixinc/genfixes(machname.h):
15399 Move the functionality from gen-machine.h into this file.
15400 UNdef MN_NAME_PAT if there are no names to change.
15401 Also, be a little kinder when AutoGen is not present.
15403 * fixinc/Makefile.in(machname.h):
15404 Change the generation rule to use genfixes.
15406 * fixinc/fixfixes.c(machine_name):
15407 machine_name_fix's functionality now dependent upon whether
15408 MN_NAME_PAT is defined.
15410 * fixinc/fixtests.c(machine_name):
15413 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15416 * fixinc/fixlib.h(mn_get_regexps):
15419 * fixinc/gen-machine.h: DELETED
15421 2000-02-04 Jan Hubicka <jh@suse.cz>
15422 Richard Henderson <rth@cygnus.com>
15424 * i386.c (SAVE_REGS_FIRST): Remove.
15425 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15426 (ix86_compute_frame_size): Likewise.
15427 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15428 (ix86_emit_restore_regs): Remove.
15429 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15430 when a frame pointer is in use.
15431 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15432 instead of pop to restore a register when profitable; emit leave
15434 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15435 as a TYPE_LEA insn.
15436 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15437 * i386.md (prologue_allocate_stack): Remove.
15438 (epilogue_deallocate_stack): Remove.
15439 (pro_epilogue_adjust_stack): New.
15441 2000-02-04 Richard Henderson <rth@cygnus.com>
15443 * function.c (diddle_return_value): Rework to use a callback function.
15444 Use current_function_return_rtx if it's been set up.
15445 (do_clobber_return_reg, clobber_return_register): New.
15446 (do_use_return_reg, use_return_register): New.
15447 (expand_function_end): Use them.
15448 * stmt.c (expand_null_return): Likewise.
15449 * function.h: Declare them.
15450 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15451 (mark_reg): Change arguments as appropriate for callback.
15452 * integrate.c (expand_inline_function): Revert 19 Jan change.
15454 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15456 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15457 (Misc): Say the scheduler, not the Haifa scheduler.
15459 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15461 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15462 when in_mem is set. Update all callers.
15464 2000-02-04 Richard Henderson <rth@cygnus.com>
15466 * i386/openbsd.h (INT_ASM_OP): Define.
15468 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15470 * tm.texi: Fix various typos.
15472 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15474 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15475 (MD_STARTFILE_PREFIX_1): New macro.
15477 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15479 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15480 destination when needed.
15481 (strmovsi, strsetsi): New expander.
15482 (strmovsi_1, strsetsi_1): New pattern.
15483 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15484 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15485 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15486 * invoke.texi (align-stringops, inline-all-stringops): Document.
15488 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15490 * i386/netbsd.h (INT_ASM_OP): Define.
15492 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15494 * cpplib.h (cpp_reader): Add new flag, no_directives.
15495 * cpphash.c (macarg): Set it.
15496 * cpplib.c (handle_directive): If no_directives is on and we
15497 find a directive, issue an error and discard the line.
15499 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15501 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15502 FP constants. Add ! TARGET_FPU check for FP constants.
15504 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15506 * flow.c (find_basic_blocks): Don't kill label_value_list
15508 (cleanup_cfg): Kill it here.
15510 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15512 * expr.c (store_field): Ensure ALIGN is no stricter than the
15515 2000-02-02 Richard Henderson <rth@cygnus.com>
15517 * jump.c (delete_insn): Partially revert 19 Jan change;
15518 don't convert unused code labels to notes at -O0.
15520 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15522 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15523 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15525 2000-02-01 Richard Henderson <rth@cygnus.com>
15527 * i386.c (general_no_elim_operand): New.
15528 (nonmemory_no_elim_operand): New.
15529 (ix86_expand_move): Copy eliminable operands before a push.
15530 * i386-protos.h: Declare new functions.
15531 * i386.h (CAN_ELIMINATE): Simplify.
15532 (PREDICATE_CODES): Update.
15533 * i386.md (push insns): Don't allow eliminable register operands.
15535 2000-02-01 Richard Henderson <rth@cygnus.com>
15537 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15538 replace BLKmode with DECL_RTL's mode.
15540 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15542 * frame.c (find_fde): Convert for loop to do-while so compiler
15543 sees it's always executed at least once.
15544 * libgcc2.c (BBINBUFSIZE): Kill.
15545 (__bb_init_prg): Use fgets.
15546 (__bb_exit_trace_func): Don't paste strings.
15547 * unroll.c (unroll_loop): Initialize unroll_type, not
15548 unroll_number, and tweak logic to match.
15550 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15552 (ix86_flags_dependant): Likewise. Disentangle control flow.
15553 (ix86_sched_reorder): Break guts out to
15554 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15555 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15558 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15559 use string concatenation. Don't save and restore esi.
15561 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15562 (machname.h): Remove script to separate file. Use two-step
15563 sequence so target is not created if script fails.
15564 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15565 identifiers are defined.
15566 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15567 an empty string, machine_name doesn't need to do anything at
15569 (is_cxx_header): Add more cases to regexp.
15570 * fixinc/fixlib.h: Update prototype.
15571 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15573 * fixinc/fixincl.c: Define NO_BOGOSITY.
15575 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15576 (hp_sysfile): Add missing comma.
15577 (math_exception): Put the wrapper ifdefs at the beginning and
15578 the end of the file.
15579 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15581 2000-02-01 Richard Henderson <rth@cygnus.com>
15583 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15584 Use CONST0_RTX. Update all callers.
15585 * sparc.h, sparc-protos.h: Update accordingly.
15586 * sparc.md (fp mov insns): Use fp_zero_operand directly
15589 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15591 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15594 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15596 * Makefile.in (specs.ready): New target.
15597 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15599 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15601 * fixinc.irix: Use unique filenames for writing into /tmp,
15602 * fixinc.ptx: Likewise.
15603 * fixinc.sco: Likewise.
15604 * fixinc.svr4: Likewise.
15605 * fixinc.winnt: Likewise.
15607 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15609 * tsystem.h: New file.
15611 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15612 s-crtS): Depend on tsystem.h.
15614 * crtstuff.c: Include tsystem.h.
15615 * frame.c: Likewise.
15616 * libgcc2.c: Likewise.
15618 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15620 * builtins.c (expand_builtin_memset): Expand for variable sized
15623 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15625 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15628 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15630 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15632 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15634 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15636 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15637 case 3->2 combining (combining with splitting) in which 2 is CC0
15638 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15639 checked at the begining of the function with the aid of calling
15640 function 'can_combine_p'.
15642 2000-01-31 Dave Brolley <brolley@redhat.com>
15644 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15646 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15648 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15651 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15653 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15655 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15658 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15660 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15661 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15662 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15663 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15664 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15665 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15666 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15667 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15668 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15669 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15671 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15672 Add %(cpp_cpu) to CPP_SPEC.
15674 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15675 Add %(cc1_cpu) to CC1_SPEC.
15677 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15679 * c-decl.c (c_decode_option): Accept optional numeric argument to
15680 -Wformat and set warn_format.
15681 * c-common.c: Don't emit warning about non-constant printf format
15682 string unless warn_format > 1.
15684 2000-01-30 Richard Henderson <rth@cygnus.com>
15686 * alpha.md (return_internal): Allow after reload only.
15688 2000-01-30 Richard Henderson <rth@cygnus.com>
15690 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15691 local frame size is zero.
15693 2000-01-30 Richard Henderson <rth@cygnus.com>
15695 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15696 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15697 * alpha.md (return): Turn into an expander.
15698 (return_internal): Don't use $26.
15699 (epilogue): Emit the return insn.
15701 2000-01-30 Richard Henderson <rth@cygnus.com>
15703 * alpha.md (negtf2, abstf2): Fix word order thinko.
15704 (extendsftf2): New.
15705 (trunctfsf2): Avoid intermediate rounding errors.
15707 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15709 * cppfiles.c (find_position): Drop 'colp' argument, return the
15711 (read_and_prescan): Adjust to match. Don't ever manipulate
15712 line or line_base except via find_position.
15714 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15716 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15717 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15720 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15722 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15723 just print "<command line>". If 'filename' is null or an
15724 empty string, print "<stdin>" for the filename.
15725 * cpplib.c (do_define): Don't print the 'location of the
15726 previous definition' message if we're still parsing the
15728 (cpp_pedwarn_with_file_and_line): Always call
15729 cpp_file_line_for_message.
15731 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15733 * flow.c (mark_regs_live_at_end): Fix typo.
15735 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15737 * c-common.c: Adjust variable names, comments, help strings to c99.
15738 * c-lex.c: Likewise.
15739 * c-parse.y: Likewise.
15740 * c-tree.h: Likewise.
15741 * cccp.c: Likewise.
15742 * cpplib.h: Likewise.
15743 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15744 * cppinit.c: Likewise.
15746 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15748 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15749 * c4x.c: Define the optab rtx values.
15750 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15751 (c4x_emit_libcall): Use new optab rtx values.
15752 (c4x_emit_libcall3): Likewise.
15753 (c4x_emit_libcall_mulhi): Likewise.
15754 * c4x-protos.h: Add prototypes for optab rtx values and change
15755 prototypes for above c4x_emit_libcall functions.
15757 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15759 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15761 (c4x_function_prologue): Use regnames intead of float_reg_names when
15763 (c4x_function_epilogue): Likewise.
15764 (c4x_print_operand): Likewise.
15765 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15766 * c4x.md (set_high): Disable for TARGET_TI.
15768 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15770 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15771 of framepointer + constant to ADDR_REGS class.
15772 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15773 * c4x.c (std_or_reg_operand): New function.
15774 * c4x-protos.h (std_or_reg_operand): Prototype it.
15776 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15778 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15779 object names as libgcc2.c.
15780 * libgcc.S: Use newly defined names.
15782 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15783 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15785 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15786 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15787 (FLOW_LOOP_LAST_BLOCK): Likewise.
15789 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15791 * basic-block.h (struct loop): New fields 'first' and 'last'.
15792 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15793 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15794 and loop->last to check for NOTE_INSN_LOOP_END.
15796 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15798 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15799 of the loop descriptor rather than HEADER and LATCH. Also added
15800 missing break statements as well making some coding style modifications
15801 as suggested by Michael Hayes.
15803 2000-01-28 Richard Henderson <rth@cygnus.com>
15805 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15806 Break out that code ...
15807 (cleanup_cfg): ... here.
15808 (commit_one_edge_insertion): Detect a return instruction being
15809 emitted to an edge. Emit a barrier following; clear fallthru.
15810 (commit_edge_insertions): Verify CFG consistency.
15811 * function.c (expand_function_start): Kill unused variable.
15812 (expand_function_end): Likewise.
15813 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15814 to insert the epilogue.
15816 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15817 (delete_null_pointer_checks): Likewise.
15818 * output.h: Likewise.
15819 * reg-stack.c (reg_to_stack): Likewise.
15820 * toplev.c (rest_of_compilation): Likewise. Run
15821 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15823 2000-01-28 Richard Henderson <rth@cygnus.com>
15825 * Makefile.in (flow.o): Revert 24 Jan change.
15826 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15827 FUNCTION_VALUE result to DECL_RESULT's mode.
15829 * haifa-sched.c (schedule_insns): Don't recompute reg info
15832 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15834 * configure.in: Make --enable-cpplib the default.
15835 * configure: Regenerate.
15836 * gcc.dg/990119-1.c: No longer expected to fail.
15838 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15840 * jump.c (jump_optimize_1): Delete an optimization that is also done
15841 by merge_blocks in flow.
15843 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15845 * diagnostic.c (build_message_string, output_printf,
15846 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15847 (build_location_prefix): Fix non-literal format string.
15849 2000-01-27 Richard Henderson <rth@cygnus.com>
15851 * alpha.md (trunctfsf2): New.
15853 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15855 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15857 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15859 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15861 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15863 (skip_comment) ... here. Permit C++ comments in system
15864 headers always. Warn about C++ comments in user code under
15865 -std=gnu89 -pedantic.
15866 (copy_comment): Use skip_comment.
15867 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15869 (consider_directive_while_skipping, do_else, do_endif): Call
15870 validate_else unconditionally.
15871 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15872 text after the conditional in a system header.
15873 * cpplib.h (struct cpp_buffer): Add flag
15874 warned_cplusplus_comments.
15876 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15878 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15879 Use unshare_all_rtl_1.
15880 (unshare_all_rtl_again): New function.
15881 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15883 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15884 rather than resetting the 'used' flags ourself.
15886 * toplev.c (rest_of_compilation): Add current_function_decl
15887 to the unshare_all_rtl call.
15888 * tree.h: Prototype unshare_all_rtl.
15889 * rtl.h: Prototype unshare_all_rtl_again here.
15891 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15893 * genoutput.c (output_prologue): Include ggc.h in generated
15895 * Makefile.in (insn-output.o): Depends on ggc.h.
15897 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15898 Hans-Peter Nilsson <hp@bitrange.com>
15900 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15901 Remove redundant include of xm-ns32k.h.
15902 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15903 Remove redundant include of xm-ns32k.h.
15904 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
15905 Remove redundant include of xm-ns32k.h.
15906 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
15908 * ns32k/ns32k.h: Update comment on multiply-add instructions.
15909 (TARGET_SWITCHES): Add documentation strings.
15910 (DWARF_FRAME_REGNUM): Override default definition.
15911 (REG_CLASS_CONTENTS): Add comments.
15912 (SUBSET_P): Format to reduce line length.
15913 (SMALL_REGISTER_CLASSES): Make a run time option.
15914 (GO_IF_NONINDEXED_ADDRESS): Reformat.
15915 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
15916 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
15917 (regclass_map): fix typo in comment.
15918 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
15919 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
15920 (trace, reg_or_mem_operand): Delete, unused function.
15921 (calc_address_cost): Small offsets are cheaper than large ones.
15922 (expand_block_move): Generate more efficient code when bytes is a
15923 known at compile time.
15924 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
15925 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
15926 instead of reg_or_mem_operand.
15928 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
15929 not general_operand. Similarly use "=rm" or stricter, not "=g".
15930 For input operands, use stricter constraints than "g" if not
15931 general_operand. Similarly use stricter predicate than
15932 "general_operand" when stricter constraints than "g" are present,
15933 except for matching constraints.
15934 (movstrsi): Use "memory_operand" for operands 0 and 1.
15935 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
15936 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
15937 not reg_or_mem_operand.
15938 (udivmoddisi4): Ditto.
15939 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
15940 Use nonimmediate_operand for operand 3, not register_operand.
15941 (udivmoddiqi4_internal): Use register_operand for operand 1, not
15942 reg_or_mem_operand.
15944 2000-01-27 Fred Fish <fnf@be.com>
15946 * gthr-posix.h: Fix typo; compatibily -> compatibility.
15947 * gthr-single.h: Likewise.
15948 * gthr-solaris.h: Likewise.
15949 * gthr-vxworks.h: Likewise.
15950 * gthr-win32.h: Likewise.
15951 * gthr.h: Likewise.
15953 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15955 * cppinit.c: Add " (cpplib)" to end of string printed by
15958 2000-01-27 Richard Henderson <rth@cygnus.com>
15960 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
15961 testing for a signed comparison.
15962 (alpha_emit_floatuns): New.
15963 * alpha-protos.h: Declare it.
15964 * alpha.md (floatunsdisf2, floatunsdidf2): New.
15965 (extendsfdf2): Tidy.
15967 2000-01-27 Jakub Jelinek <jakub@redhat.com>
15969 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
15970 no -g option specifying debugging format, default to -gstabs+.
15972 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15974 * calls.c (special_function_p): New argument fork_or_exec.
15975 (expand_call): When profile_arc_flag is set and the function
15976 is in the fork_or_exec group, call __bb_fork_func first.
15977 * libgcc2.c, _bb module (__bb_fork_func): New function.
15978 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
15980 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
15981 * tree.h (special_function_p): Update prototype.
15983 2000-01-26 Richard Henderson <rth@cygnus.com>
15985 * alpha.c (alpha_split_tfmode_pair): New.
15986 * alpha-protos.h: Declare it.
15987 * alpha.md (abstf2, negtf2): New.
15988 (movtf insn): Add input G constraint.
15989 (movtf splitter): Use alpha_split_tfmode_pair.
15991 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15993 * i386/cygwin.h: PROTO -> PARAMS.
15995 2000-01-26 Jakub Jelinek <jakub@redhat.com>
15997 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
15998 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
15999 using _Qp_cmp/_Q_cmp and testing the return value.
16000 (print_operand): Call reverse_condition_maybe_unordered if
16001 we are handling CCFPmode or CCFPEmode.
16002 Handle ORDERED, UN* and LTGT comparisons.
16003 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16004 if not TARGET_HARD_QUAD.
16005 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16006 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16007 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16008 Adjust gen_b* calls so that they reflect return comparison of
16009 sparc_emit_float_lib_cmp.
16011 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16013 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16014 incoming operands array is large enough for one more operand.
16015 (alpha_emit_xfloating_arith): Likewise.
16017 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16019 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16020 file with one line and no trailing newline.
16021 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16022 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16023 checking if the match is on the line.
16024 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16026 2000-01-25 Richard Henderson <rth@cygnus.com>
16028 * sparc.c (output_cbranch): Fix accidental squashing of the
16029 fp branch pre-delay nop.
16031 2000-01-25 Richard Henderson <rth@cygnus.com>
16033 * tree.def (UNNE_EXPR): Remove.
16034 * c-typeck.c (build_binary_op): Don't handle it.
16035 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16037 * rtl.def (UNNE): Remove.
16039 * jump.c (reverse_condition): Update accordingly.
16040 (swap_condition): Likewise.
16041 (comparison_dominates_p): Handle unordered comparisons.
16042 (reverse_condition_maybe_unordered): New.
16043 * rtl.h (reverse_condition_maybe_unordered): Declare.
16045 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16046 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16047 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16048 * sparc.md (bltgt): New.
16050 2000-01-25 Nick Clifton <nickc@redhat.com>
16052 * emit-rtl.c (emit_insn): Only check machine class insns for
16053 improper emission of a RETURN.
16055 2000-01-25 Richard Henderson <rth@cygnus.com>
16057 * Makefile.in (flow.o): Depend on $(EXPR_H).
16058 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16059 duplicate the structure of diddle_return_value for keeping regs live.
16061 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16063 * loop.c (current_loop_info): Delete.
16064 (consec_sets_invariant_p): Add loop argument, update callers.
16065 (get_condition_for_loop): Likewise.
16066 (count_nonfixed_reads, update_giv_derive): Likewise.
16067 (simplify_giv_expr, general_induction_var): Likewise.
16068 (consec_sets_giv, recombine_givs): Likewise.
16069 (move_movables): Delete loop_start and loop_end arguments,
16070 add loop argument, and update callers.
16071 (find_mem_givs, check_final_value): Likewise.
16072 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16073 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16075 (basic_induction_var): Add loop argument, delete loop_level argument,
16076 and update callers.
16077 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16078 add loop argument, and update callers.
16079 (find_splittable_regs, find_splittable_givs): Likewise.
16080 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16081 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16082 (biv_total_increment): Delete loop_start and loop_end arguments;
16084 (precondition_loop_p): Delete loop_start and loop_info arguments;
16086 * loop.h (get_condition_for_loop): Add loop argument.
16087 (biv_total_increment): Delete loop_start and loop_end arguments.
16088 (precondition_loop_p): Delete loop_start and loop_info arguments;
16090 (final_biv_value): Delete loop_start and loop_end arguments;
16092 (final_giv_value, back_branch_in_range_p): Likewise.
16094 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16096 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16098 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16100 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16101 point to the new "generated_files" doc.
16103 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16105 * config/fp-bit.c (_unord_f2): Fix typo.
16107 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16109 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16110 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16111 functions obsoleted by GC, such as push_obstacks_nochange,
16112 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16113 and code which existed only to decide whether or not to call
16114 them. Remove now-unused NESTED argument from start_function;
16115 all callers changed. Do not change behavior based on ggc_p.
16116 The use of the ixp_obstack in c-iterate.c and the util_obstack
16117 in objc/objc-act.c remain; these are not obsoleted by garbage
16119 * c-tree.h: Update prototype for start_function.
16121 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16123 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16125 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16128 2000-01-25 Richard Henderson <rth@cygnus.com>
16130 * sparc-protos.h (select_cc_mode): Declare.
16131 * sparc.c (select_cc_mode): New. Handle unordered compares.
16132 (output_cbranch): Always reverse via code change. Handle
16133 unordered compares. Factor tests and string updates.
16134 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16135 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16136 * sparc.md (bunordered, bordered): New.
16137 (bungt, bunlt, buneq, bunge, bunle): New.
16139 2000-01-25 Richard Henderson <rth@cygnus.com>
16141 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16142 * ggc-common.c (ggc_add_rtx_varray_root): New.
16143 (ggc_mark_rtx_varray): New.
16144 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16145 functions down below ggc_mark_foo.
16146 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16148 2000-01-25 Richard Henderson <rth@cygnus.com>
16150 * alpha.c (secondary_reload_class): Don't allocate a secondary
16151 for integral mode memories into FLOAT_REGS. Rearrange the more
16152 complicated memory expression inward.
16154 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16156 * inclhack.def: Fixes to play nicer with FreeBSD, and
16157 corrections to comments.
16158 (cxx_unready): Add select expression.
16159 (irix_sockaddr): Add bypass expression.
16160 (machine_ansi_h_va_list): New fix.
16161 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16162 Split out addition of "#include <stdarg.h>" to...
16163 (stdio_stdarg_h): ... here.
16164 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16165 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16166 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16168 (ultrix_ifdef): Tighten up select expression.
16170 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16171 re_ct and max_mach to avoid use of shell. Make printed names
16172 match names in inclhack.def. Use static copyright date.
16173 Don't count c_test and test expressions as requiring regex_t
16174 slots. Add some commentary.
16175 * inclhack.tpl: Do not include the 'This script contains N
16176 fixup scripts' line if PROGRAM is defined. Use static
16179 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16181 * dwarf2out.c: include "varray.h", not dyn-string.h.
16182 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16183 (addr_const_to_string, addr_to_string): Lose.
16184 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16185 (struct dw_val_struct): val_addr is now an rtx.
16186 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16187 (used_rtx_varray): New varray.
16188 (dwarf2out_init): Initialize it.
16189 (save_rtx): New fn.
16190 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16192 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16193 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16194 * Makefile.in (dwarf2out.o): Update dependencies.
16196 2000-01-24 Richard Henderson <rth@cygnus.com>
16198 * i386.c (i386_dwarf_output_addr_const): New.
16199 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16201 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16203 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16204 * i386.c (i386_simplify_dwarf_addr): New.
16205 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16207 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16209 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16210 TYPE_STUB_DECL is NULL.
16212 2000-01-24 Richard Henderson <rth@cygnus.com>
16214 * builtins.c (expand_tree_builtin): Move ...
16215 * c-common.c (expand_tree_builtin): ... here.
16217 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16219 * loop.h (LOOP_INFO): New accessor macro.
16220 * basic-block.h (struct loop): Rename field `info' to `aux'.
16221 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16222 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16223 * unroll.c (loop_iterations, unroll_loop): Likewise.
16225 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16227 * config/i386/t-cygwin: Accomodate new winsup directory layout
16228 when searching for include files.
16230 2000-01-24 Richard Henderson <rth@cygnus.com>
16232 * rtl.def: Add unordered fp comparisions.
16233 * tree.def: Likewise.
16234 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16236 * builtins.c (expand_tree_builtin): New function.
16237 * c-typeck.c (build_function_call): Use it.
16238 (build_binary_op): Support unordered compares.
16239 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16241 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16242 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16243 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16244 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16245 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16247 (swap_condition): Handle unordered compares.
16248 (thread_jumps): Check can_reverse before reversing.
16249 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16252 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16253 setcc is present before acking for cmp_optab. Update all callers.
16254 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16255 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16256 * expr.c (expand_expr): Likewise. Support unordered compares.
16257 (do_jump, do_store_flag): Likewise.
16258 * expr.h (enum libfunc_index): Add unordered compares.
16260 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16261 (DPBIT_FUNCS): Add _unord_df.
16262 * config/fp-bit.c (_unord_f2): New.
16263 * fp-test.c (main): Try unordered compare builtins.
16265 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16266 * alpha.c (alpha_comparison_operator): Check mode properly.
16267 (alpha_swapped_comparison_operator): Likewise.
16268 (signed_comparison_operator): Likewise.
16269 (alpha_fp_comparison_operator): New.
16270 (alpha_emit_conditional_branch): Handle unordered compares.
16271 * alpha.h (PREDICATE_CODES): Update.
16272 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16273 (bunordered, bordered): New.
16275 2000-01-24 Richard Henderson <rth@cygnus.com>
16277 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16278 * alpha.md (movtf): New expander, insn, and splitter.
16280 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16282 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16285 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16287 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16288 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16289 REG_ALLOC_ORDER): Add frame pointer
16290 (FRAME_POINTER_REGNUM): Set to 20
16291 (HARD_FRAME_POINTER_REGNUM): New macro.
16292 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16293 to HARD_FRAME_POINTER.
16294 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16295 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16296 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16297 (HI_REGISTER_NAMES): Add "frame".
16298 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16299 (debug_reg): Handle FRAME_POINTER_REGNUM.
16300 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16301 GENERAL_REGS and INDEX_REGS.
16302 * i386.c (SAVED_REGS_FIRST): new macro.
16303 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16304 (ix86_decompose_address, memory_address_length): Likewise.
16305 (regclass_map): Add frame pointer.
16306 (call_insn_operand): Handle frame_pointer_rtx.
16307 (reg_no_sp_operand): Likewise.
16308 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16309 (print_operand, legitimize_pic_address): Fix formating.
16310 (ix86_compute_frame_size): Make static, update prototype, new
16311 parameters padding1, padding2, use ix86_nsaved_regs, use
16312 stack_alignment_needed.
16313 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16314 to HARD_FRAME_POINTER_REGNUM conversions.
16315 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16316 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16317 (print_reg): Abort on FRAME_POINTER_REGNUM
16319 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16321 * i386.h (PREDICATE_CODES): Add aligned_operand.
16322 * i386.c (aligned_operand): New function.
16323 (ix86_aligned_p): Kill.
16324 * i386.md (movhi_1): Emit mov for aligned operands.
16325 (promoting peep2s): Use aligned_operand.
16327 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16329 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16330 expression to allow underscores in macro names.
16331 (fix_char_macro_defines): Increment scanning pointer.
16333 2000-01-23 Richard Henderson <rth@cygnus.com>
16335 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16336 * alpha/osf5.h: New file.
16337 * configure.in (alpha-*-osf5): Add it to tm_file.
16339 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16341 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16342 (alpha_emit_xfloating_cvt, function_arg): Declare.
16343 * alpha.c (alpha_emit_conditional_branch): Call
16344 alpha_emit_xfloating_compare for TFmode compares.
16345 (alpha_lookup_xfloating_lib_func): New.
16346 (alpha_compute_xfloating_mode_arg): New.
16347 (alpha_emit_xfloating_libcall): New.
16348 (alpha_emit_xfloating_arith): New.
16349 (alpha_emit_xfloating_compare): New.
16350 (alpha_emit_xfloating_cvt): New.
16351 (print_operand): Add default abort case.
16352 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16353 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16354 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16355 (RETURN_IN_MEMORY): True for TF/TCmode.
16356 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16357 (FUNCTION_ARG): Move to function_arg.
16358 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16359 (ASM_OUTPUT_LONG_DOUBLE): New.
16360 (ASM_OUTPUT_DOUBLE): Always output bits.
16361 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16362 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16363 (extenddftf2, trunctfdf2): New.
16365 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16367 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16368 * config/sparc/sol2.h: ... here.
16370 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16372 * basic-block.h (struct loops): New field `levels'.
16373 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16374 (flow_loop_level_compute): Initialise level to 1.
16375 (flow_loops_find): Set loops->levels.
16376 (flow_loops_dump): Print loops->levels.
16378 2000-01-23 Richard Henderson <rth@cygnus.com>
16380 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16381 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16383 2000-01-23 Richard Henderson <rth@cygnus.com>
16385 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16386 * i386.h (DBX_REGISTER_NUMBER): Use them.
16387 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16388 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16389 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16390 * i386/sequent.h: Kill incorrect comment.
16392 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16394 * ggc-page.c (struct page_entry): Make `context_depth' an
16396 (struct globals): Likewise.
16398 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16400 * loop.c (check_dbra_loop): When checking a loop for
16401 reversability, check the source of any stores to ensure
16402 they don't depend on an initial value.
16404 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16406 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16408 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16410 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16411 'pz_scan' into scope of entire function. Only affects
16412 compiles with -DDEBUG.
16414 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16416 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16417 section naming to that prior to 2000-01-07 patch.
16418 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16419 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16420 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16421 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16422 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16424 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16426 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16429 2000-01-21 Jim Wilson <wilson@cygnus.com>
16431 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16432 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16434 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16436 * cpphash.c (change_newlines): Delete function.
16437 (struct argdata): Delete 'newlines' and 'use_count' fields.
16438 (macroexpand): Remove code referencing those fields.
16440 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16442 * loop.c (loops_info): New variable.
16443 (loop_optimize): Allocate loops->array and free it on exit.
16444 Allocate memory for loops_info and assign to each loop,
16446 (find_and_verify_loops): Do not allocate loops->array.
16448 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16450 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16452 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16454 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16455 pseudos if expanded after first flow.
16456 (movdi_pic_label_ref): Likewise.
16458 2000-01-20 Richard Henderson <rth@cygnus.com>
16460 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16462 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16464 * Makefile.in (fixinc.sh): Depend on specs.
16465 * fixinc/Makefile.in: Add rule to create machname.h.
16466 (fixlib.o): Depend on machname.h.
16467 * fixinc/fixtests.c (machine_name): New test.
16468 * fixinc/fixfixes.c (machine_name): New fix.
16469 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16470 the machine_name test and fix.
16471 * fixinc/fixlib.h: Prototype it.
16472 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16473 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16475 * gcc.c (do_spec_1) [case P]: Take care not to create
16476 identifiers with three leading or trailing underscores.
16478 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16479 (fixincl): Don't specify libraries twice on link line.
16480 (gnu-regex.o): Remove special rule.
16481 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16482 defined by config.h. Do not define _REGEX_RE_COMP.
16483 (regcomp): Allocate and initialize a fastmap.
16484 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16486 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16488 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16490 2000-01-19 Richard Henderson <rth@cygnus.com>
16492 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16493 arguments with BB. Update all callers. Tidy line wrapping.
16495 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16497 * emit-rtl.c (try_split): Return last_insn if we split the
16500 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16502 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16503 (ix86_initial_elimination_offset): Declare.
16504 * i386.c (ix86_nsaved_regs): Break out from ...
16505 (ix86_can_use_return_insn_p): ... here.
16506 (ix86_emit_save_regs): Break out from ...
16507 (ix86_expand_prologue): ... here.
16508 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16510 (ix86_expand_epilogue): ... here.
16511 (ix86_compute_frame_size): Make static, add prototype.
16512 (ix86_initial_elimination_offset): Break out from ...
16513 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16515 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16517 * recog.h (OUT_FCN): Delete.
16519 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16521 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16523 * cppalloc.c: PROTO -> PARAMS.
16524 * cpperror.c: Likewise.
16525 * cppfiles.c: Likewise.
16526 * cpplib.c: Likewise.
16527 * cpplib.h: Likewise.
16529 * config/arm/arm-protos.h: PROTO -> PARAMS.
16530 * config/arm/arm.c: Likewise.
16531 * config/c4x/c4x.c: Likewise.
16532 * config/fr30/fr30-protos.h: Likewise.
16533 * config/nextstep.c: Likewise.
16534 * config/pa/pa.c: Likewise.
16535 * config/pj/pj.c: Likewise.
16536 * config/rs6000/rs6000.c: Likewise.
16537 * config/v850/v850-protos.h: Likewise.
16538 * config/v850/v850.c: Likewise.
16540 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16542 * i370-protos.h: New file.
16544 * i370.c: Include tm_p.h. Fix compile time warnings.
16546 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16549 * i370.md: Likewise.
16551 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16553 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16554 (target_isinf, target_isnan, eisnan): Mark parameter with
16556 (eiisinf): Wrap in INFINITY.
16557 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16558 (ibmtoe): Remove unused variable `rndsav'.
16560 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16562 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16563 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16565 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16567 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16568 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16569 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16571 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16572 Recognize Emacs mode markers also.
16573 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16574 C++ comments in C++ headers. Call is_cxx_header only if
16577 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16578 bypass for ncurses.
16579 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16580 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16581 ... these, which use the new C fixes.
16582 (math_exception): Escape literal '+' in bypass expression.
16584 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16587 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16589 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16592 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16594 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16595 prior to calling scan_loop.
16597 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16599 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16600 (split_branches, calc_live_regs): Likewise.
16602 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16604 * sh.md (fpu_single, fp_mode): New attributes.
16606 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16608 * loop.c (current_loop_info): Renamed from loop_info_data
16609 and changed to a pointer.
16610 (loop_optimize): Allocate loop_info structure for each loop
16611 and initialise to zero.
16612 (scan_loop): Set current_loop_info.
16614 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16617 2000-01-19 Richard Henderson <rth@cygnus.com>
16619 * stupid.c: Die die die.
16620 * Makefile.in (OBJS): Remove stupid.o.
16621 (stupid.o): Likewise.
16623 * except.c (emit_eh_context): Don't emit USEs for stupid.
16624 * explow.c (probe_stack_range): Likewise.
16625 * flags.h (obey_regdecls): Remove.
16626 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16627 when not optimizing.
16628 (life_analysis): Limit data collection when not optimizing.
16629 (mark_regs_live_at_end): Always mark the return value registers.
16630 (mark_used_regs): Remove dummy RETURN case.
16631 (print_rtl_with_bb): Don't consult obey_regdecls.
16632 * function.c (use_variable, use_variable_after): Remove.
16633 (assign_parms): Consult optimize not obey_regdecls.
16634 (expand_function_start): Don't emit USEs for stupid.
16635 (expand_function_end): Likewise.
16636 * global.c (build_insn_chain): Export.
16637 * integrate.c (expand_inline_function): Kill return-value USE
16639 * jump.c (jump_optimize_1): Do simple jump optimizations and
16640 dead code elimination.
16641 (calculate_can_reach_end): Remove check_deleted argument.
16642 (delete_insn): Patch out insns even when not optimizing.
16643 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16644 * rtl.h (use_variable, use_variable_after): Remove declarations.
16645 (build_insn_chain): Declare.
16646 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16647 (expand_end_bindings): Likewise.
16648 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16649 * toplev.c (obey_regdecls): Remove.
16650 (rest_of_compilation): Don't set it. Kill stupid in favour of
16651 flow1, local-alloc, and reload.
16652 (main): Don't set obey_regdecls.
16654 * config/nextstep.c (handle_pragma): Likewise.
16656 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16658 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16660 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16662 * alpha-protos.h: PROTO -> PARAMS.
16663 * alpha.c: Likewise.
16665 * h8300.c: Likewise.
16666 * i386-protos.h: Likewise.
16667 * i386.c: Likewise.
16668 * m32r-protos.h: Likewise.
16669 * m32r.c: Likewise.
16670 * mips.c: Likewise.
16671 * mips.md: Likewise.
16672 * gmon-sol2.c: Likewise.
16673 * sparc.c: Likewise.
16675 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16677 * ns32k-protos.h: New file.
16679 * ns32k.c: Fix compile time warnings.
16681 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16684 * ns32k.md: Likewise.
16686 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16688 * vax-protos.h: New file.
16690 * vax.c: Fix compile time warnings.
16692 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16695 * vax.md: Likewise.
16697 * vaxv.md: Likewise.
16699 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16701 * romp-protos.h: New file.
16703 * romp.c: Fix compile time warnings.
16705 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16708 * romp.md: Likewise.
16710 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16712 * we32k-protos.h: New file.
16714 * we32k.c: Fix compile time warnings.
16716 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16719 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16721 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16723 * except.c (eh_regs): Likewise.
16725 * final.c (output_operand): Likewise.
16727 * fold-const.c (target_isinf, target_isnan): Likewise.
16729 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16731 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16732 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16734 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16735 when optimize_size.
16736 (clrstrsi): Rewrite.
16737 (strsethi, strsetqi): New expanders.
16738 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16739 (cmpstrsi): Emit compare insn before cmpstrsi_1
16740 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16741 (strlensi_1): Likewise.
16742 (cmpstrsi_1): Likewise; do not output compare.
16743 (strlen expander): Do not unroll when optimizing for size.
16744 (*subsi3_carry): Rename to subsi3_carry
16745 (addqi3_cc): New pattern.
16746 * i386.h (processor_costs): Add move_ratio field.
16747 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16748 * i386.c (*_cost): Set move_ratio.
16749 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16750 (x86_expand_strlensi_1): Rewrite the main loop.
16752 2000-01-17 Richard Henderson <rth@cygnus.com>
16754 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16755 * cse.c (find_comparison_args, fold_rtx): Likewise.
16756 * integrate.c (subst_constants): Likewise.
16757 * loop.c (get_condition): Likewise.
16759 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16761 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16763 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16765 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16766 (RESTORE_WARN_FLAGS): Unpack it.
16767 Change semantic type of extension to ttype.
16768 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16769 * c-parse.y, c-parse.c, objc/objc-parse.y,
16770 objc/objc-parse.c: Regenerate.
16772 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16774 * fixinc/fixlib.c: Add copyright notice.
16775 (compile_re): New function.
16776 * fixinc/fixlib.h: Prototype compile_re.
16778 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16779 Use compile_re to compile regular expressions.
16781 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16782 where the pattern matched.
16784 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16786 (ultrix_ansi_compat): Likewise.
16787 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16789 (interactv_add2, interactv_add3): Delete.
16790 (x11_sprintf): Don't use filename glob.
16791 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16794 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16796 * print-rtl.c: PROTO -> PARAMS.
16797 * real.c: Likewise.
16798 * reg-stack.c: Likewise.
16799 * resource.c: Likewise.
16800 * sdbout.h: Likewise.
16801 * simplify-rtx.c: Likewise.
16802 * stor-layout.c: Likewise.
16803 * stupid.c: Likewise.
16804 * xcoffout.c: Likewise.
16805 * xcoffout.h: Likewise.
16807 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16809 * toplev.c: PROTO -> PARAMS.
16810 * toplev.h: Likewise.
16811 * tree.c: Likewise.
16812 * tree.h: Likewise.
16813 * unroll.c: Likewise.
16814 * varasm.c: Likewise.
16815 * varray.c: Likewise.
16816 * varray.h: Likewise.
16818 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16820 * reload.c: PROTO -> PARAMS.
16821 * reload.h: Likewise.
16822 * reload1.c: Likewise.
16823 * reorg.c: Likewise.
16824 * resource.h: Likewise.
16827 * rtlanal.c: Likewise.
16828 * sbitmap.h: Likewise.
16829 * sdbout.c: Likewise.
16830 * stack.h: Likewise.
16831 * stmt.c: Likewise.
16832 * system.h: Likewise.
16834 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16836 * machmode.h: PROTO -> PARAMS.
16837 * mbchar.h: Likewise.
16838 * mips-tdump.c: Likewise.
16839 * mips-tfile.c: Likewise.
16840 * optabs.c: Likewise.
16841 * output.h: Likewise.
16842 * prefix.c: Likewise.
16843 * profile.c: Likewise.
16844 * protoize.c: Likewise.
16845 * real.h: Likewise.
16846 * recog.c: Likewise.
16847 * recog.h: Likewise.
16848 * regclass.c: Likewise.
16849 * regmove.c: Likewise.
16850 * regs.h: Likewise.
16852 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16854 * ggc-common.c: PROTO -> PARAMS.
16855 * ggc-page.c: Likewise.
16856 * ggc-simple.c: Likewise.
16858 * global.c: Likewise.
16859 * graph.c: Likewise.
16860 * gthr-win32.h: Likewise.
16861 * haifa-sched.c: Likewise.
16862 * halfpic.h: Likewise.
16863 * integrate.c: Likewise.
16864 * integrate.h: Likewise.
16865 * jump.c: Likewise.
16867 * local-alloc.c: Likewise.
16868 * loop.c: Likewise.
16869 * loop.h: Likewise.
16871 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16873 * genattr.c: PROTO -> PARAMS.
16874 * genattrtab.c: Likewise.
16875 * gencheck.c: Likewise.
16876 * gencodes.c: Likewise.
16877 * genconfig.c: Likewise.
16878 * genemit.c: Likewise.
16879 * genextract.c: Likewise.
16880 * genflags.c: Likewise.
16881 * gengenrtl.c: Likewise.
16882 * genopinit.c: Likewise.
16883 * genoutput.c: Likewise.
16884 * genpeep.c: Likewise.
16885 * genrecog.c: Likewise.
16887 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16889 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16891 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16893 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16894 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16895 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16896 * configure, config.in: Rebuilt.
16898 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16900 * config/i386/i386.md: Add peephole to merge successive stack
16903 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
16905 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
16906 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
16907 when walking backwards to find all the parameter loads when
16908 the basic block ends in a call.
16910 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16912 * loop.c (this_loop_info): Delete.
16913 (uid_loop): Add in place of uid_loop_num. All uses updated.
16914 (loop_number_exit_count): Delete and replace with entry in loop
16915 structure. All uses updated.
16916 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16917 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16918 (loop_outer_loop): Likewise.
16919 (loop_invalid, loop_number_exit_labels): Likewise.
16920 (loop_used_count_register): Delete and replace with entry in
16921 loop_info structure.
16922 (find_and_verify_loops): Add loops argument.
16923 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
16924 loop_end, etc. arguments with loop structure pointer. All callers
16926 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
16927 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
16928 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
16929 (insert_bct): Likewise.
16930 (basic_induction_var): New argument level.
16931 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
16932 vtop, and cont. Add used_count_register.
16933 (uid_loop): Delete declaration.
16934 (loop_number_exit_count): Likewise.
16935 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
16936 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
16937 (loop_outer_loop, loop_used_count_register): Likewise.
16938 (loop_invalid, loop_number_exit_labels): Likewise.
16939 (unroll_loop): Replace loop_start and loop_end arguments
16940 with loop structure pointer.
16941 (loop_precondition_p, loop_iterations): Likewise.
16942 Include basic-block.h.
16943 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
16944 with loop structure pointer.
16945 (loop_precondition_p, loop_iterations): Likewise.
16946 * basic-block.h (struct loop): New entries vtop, cont,
16947 cont_dominator, start, end, top, scan_start, exit_labels,
16949 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
16951 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16953 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
16955 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
16957 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
16959 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16961 * pdp11-protos.h: New file.
16963 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
16966 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
16969 * pdp11.md: Likewise.
16971 * 2bsd.h: Likewise.
16973 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16975 * mn10300-protos.h: New file.
16977 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
16980 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
16983 * mn10300.md: Likewise.
16985 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16987 * mn10200-protos.h: New file.
16989 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
16992 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
16995 * mn10200.md: Likewise.
16997 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16999 * h8300-protos.h: New file.
17001 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17004 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17007 * h8300.md: Likewise.
17009 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17011 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17012 (asm_emit_uninitialised): Likewise.
17014 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17016 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17017 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17019 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17021 * config/mips/mips.c (override_options): Don't turn on extra
17022 alignment for mips16.
17024 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17026 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17027 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17030 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17032 * builtins.c (PAD_VARARGS_DOWN): Define.
17033 (std_expand_builtin_va_arg): Use the above macro.
17034 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17035 * tm.texi (Register Arguments): Document the above macro.
17037 2000-01-14 Nick Clifton <nickc@cygnus.com>
17039 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17040 that this function has not been used to emit a jump
17043 * jump.c (return_jump_1): Cope with being passed a null rtx.
17045 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17047 * eh-common.h: PROTO -> PARAMS.
17048 * emit-rtl.c: Likewise.
17049 * errors.c: Likewise.
17050 * errors.h: Likewise.
17051 * except.c: Likewise.
17052 * except.h: Likewise.
17053 * explow.c: Likewise.
17054 * expmed.c: Likewise.
17055 * expr.c: Likewise.
17056 * expr.h: Likewise.
17057 * final.c: Likewise.
17058 * fix-header.c: Likewise.
17059 * flow.c: Likewise.
17060 * fold-const.c: Likewise.
17061 * function.c: Likewise.
17062 * function.h: Likewise.
17064 * gcov-io.h: Likewise.
17065 * gcov.c: Likewise.
17066 * gcse.c: Likewise.
17068 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17070 * sh-protos.h: New file.
17072 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17073 Add static prototypes. Fix compile time warnings.
17075 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17079 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17081 * arc-protos.h: New file.
17083 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17086 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17089 * arc.md: Likewise.
17091 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17093 * dsp16xx-protos.h: New file.
17095 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17098 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17101 * dsp16xx.md: Likewise.
17103 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17105 * convex-protos.h: New file.
17107 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17110 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17113 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17115 * elxsi-protos.h: New file.
17117 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17120 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17123 * elxsi.md: Likewise.
17125 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17127 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17128 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17129 match the comment for MIPS16.
17131 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17133 * flow.c (split_edge): Do not call set_block_for_insn if we
17134 do not have a basic_block_for_insn structure.
17136 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17137 and destination functions are 32bit aligned within the trampoline.
17138 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17139 (TRAMPOLINE_ALIGNMENT): Define.
17141 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17142 (set (pc) (label_ref)), verify the change creates a valid insn.
17144 * fr30.c (call_operand): Tighten and rework to match rules for
17145 call RTL expressions.
17146 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17147 * fr30.md (call patterns): Improve constraints.
17149 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17151 * fr30.c (fr30_expand_epilogue): Revert last change.
17152 Use emit_jump_insn for the return insn.
17154 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17155 Stan Cox <scox@cygnus.com>
17157 * predict.c: New file. Preliminary infrastructure work for static
17158 branch prediction and basic block reordering.
17159 * basic-block.h: Add prototype for estimate_probability.
17160 * Makefile.in: Add rules for predict.o.
17162 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17164 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17165 * fixinc/*: Likewise.
17167 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17169 * cccp.c: PROTO -> PARAMS.
17170 * cexp.y: Likewise.
17171 * collect2.c: Likewise.
17172 * combine.c: Likewise.
17173 * convert.h: Likewise.
17175 * dbxout.c: Likewise.
17176 * dbxout.h: Likewise.
17177 * diagnostic.c: Likewise.
17178 * doprint.c: Likewise.
17179 * dwarf2out.c: Likewise.
17180 * dwarf2out.h: Likewise.
17181 * dwarfout.c: Likewise.
17182 * dwarfout.h: Likewise.
17183 * dyn-string.h: Likewise.
17185 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17187 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17188 macro conditionals guarding use.
17190 * dwarf2out.c: Include "tm_p.h".
17192 * function.c (locate_and_pad_parm): Mark parameter with
17194 (expand_function_end): Likewise for variable `context'.
17196 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17198 2000-01-13 Nick Clifton <nickc@cygnus.com>
17200 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17201 register to prevent compile time warnings.
17203 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17205 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17206 to avoid -Wtraditional warning.
17208 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17210 * 1750a-protos.h: New file.
17212 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17215 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17218 * 1750a.md: Likewise.
17220 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17222 * a29k-protos.h: New file.
17224 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17227 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17230 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17232 * clipper-protos.h: New file.
17234 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17237 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17240 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17242 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17244 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17246 * configure.in (--enable-new-gxx-abi): New option.
17247 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17248 * Makefile.in (GXX_ABI_FLAG): New variable.
17249 * configure: Regenerate.
17251 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17253 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17254 * tm.texi (FORCE_STRUCT_BLK): Document.
17255 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17257 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17259 * config/ns32k/ns32k.md: Revert Jan 9 change.
17261 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17262 to a mode-test, if the predicate is address_operand.
17264 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17266 * combine.c (if_then_else_cond): Be careful about what kinds
17267 of RTL expressions are passed to operand_subword.
17269 * flow.c (split_edge): If we have to insert a new jump, make
17270 sure to associate it with a basic block.
17272 * flow.c (commit_one_edge_insertion): A block with one successor
17273 can end in a JUMP_INSN that is not a simplejump.
17275 2000-01-12 Robert Lipe <robertl@sco.com>
17277 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17278 (BUILD_VA_LIST_TYPE): Define.
17279 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17282 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17284 * cccp.c (do_pragma): Add cast to (char *).
17286 2000-01-12 Richard Henderson <rth@cygnus.com>
17287 Fred Fish <fnf@be.com>
17288 Jason Merrill <jason@cygnus.com>
17290 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17291 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17292 * i386/beos-elf.h, i386/beos-pe.h: New files.
17294 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17295 * cross-make (SYSTEM_HEADER_DIR): Define using
17296 CROSS_SYSTEM_HEADER_DIR.
17298 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17299 (process_command): Use it.
17300 (main): Likewise. Kill trailing = from env vars.
17301 (build_search_list): Put it back.
17302 * collect2.c (main): Use LIBRARY_PATH_ENV.
17304 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17305 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17307 * tm.texi (Frame Layout): Document SMALL_STACK.
17308 * c-common.c (c_common_nodes_and_builtins): Check it.
17310 * system.h: Undef alloca after including glibc's <stdlib.h>,
17311 if USE_C_ALLOCA is defined.
17313 * gcc.c (set_input): New fn.
17314 (main): After all input files are compiled, reset the input file
17317 * aclocal.m4 (rindex, index): If already defined, don't attempt
17320 * ginclude/varargs.h: (__va_list__): Define ifndef.
17321 * ginclude/stdarg.h: Likewise.
17323 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17324 instead of unsigned char.
17326 * hash.h (true, false, boolean): Undef before enum.
17328 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17329 proper type of "HOST_WIDE_INT *", rather than their natural type of
17330 "unsigned HOST_WIDE_INT *".
17332 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17334 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17336 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17338 * regclass.c (choose_hard_reg_mode): Likewise.
17340 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17342 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17344 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17346 * c-common.c: PROTO -> PARAMS.
17347 * c-common.h: Likewise.
17348 * c-decl.c: Likewise.
17349 * c-iterate.c: Likewise.
17350 * c-lang.c: Likewise.
17351 * c-lex.c: Likewise.
17352 * c-lex.h: Likewise.
17353 * c-parse.in: Likewise.
17354 * c-pragma.c: Likewise.
17355 * c-pragma.h: Likewise.
17356 * c-tree.h: Likewise.
17357 * c-typeck.c: Likewise.
17358 * objc/objc-act.c: Likewise.
17359 * objc/objc-act.h: Likewise.
17361 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17363 * m88k-protos.h: New file.
17365 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17368 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17370 * m88k.md: Likewise.
17372 * tekXD88.h: Likewise.
17374 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17376 * m68k-protos.h: New file.
17378 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17381 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17383 * mot3300.h: Likewise.
17385 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17387 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17389 (extract_bitlist): Declare bitlen.
17391 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17393 * cccp.c: Accept and ignore -lang-fortran.
17395 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17396 qualifiers don't match at any level of pointerness.
17398 2000-01-12 Robert Lipe <robertl@sco.com>
17400 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17402 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17404 * reload1.c (reload_reg_unavailable): New static variable.
17405 (reload_reg_free_p): Test it.
17406 (reload_reg_free_for_value_p): Test it instead of
17408 (choose_reload_regs_init): Compute it.
17410 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17412 * reorg.c (fill_slots_from_thread): Check modified_in_p
17415 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17417 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17418 these nodes even if INTERNALS is not set.
17420 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17422 * gcse.c (delete_null_pointer_checks_1): Cope when
17423 get_condition cannot determine the condition.
17425 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17427 * toplev.h (set_message_length): Declare.
17429 * diagnostic.c (obstack_chunk_alloc): Define macro.
17430 (obstack_chunk_free): Likewise.
17431 (struct output_buffer): New data structure.
17432 (vmessage): Remove.
17433 (output_maximum_width): New variable.
17434 (doing_line_wrapping, set_message_length, init_output_buffer,
17435 get_output_prefix, output_space_left, emit_output_prefix,
17436 output_newline, output_append, output_puts, dump_output,
17437 vbuild_message_string, build_message_string, build_location_prefix,
17438 voutput_notice, output_printf, line_wrapper_printf,
17439 vline_wrapper_message_with_location): New functions. Implement
17440 automatic line wrapping.
17441 (v_message_with_decl): Make it handle automatic line wrapping.
17442 (v_error_with_file_and_line): Likewise.
17443 (v_warning_with_file_and_line): Likewise.
17444 (announce_function): Likewise.
17445 (default_print_error_function): Likewise.
17447 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17449 * cpplib.h (struct cpp_options): Change lang_asm to char.
17451 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17452 done in cpp_handle_option now.
17453 (initialize_builtins): Take out special case code used only by
17455 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17456 if -traditional. Recognize -lang-fortran and set
17457 lang_fortran, also turn off cplusplus_comments.
17458 (print_help): Document -lang-fortran.
17459 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17460 lang_asm. Ignore all directives other than `# 123 "file"' if
17462 (cpp_get_token): If -traditional, don't recognize directives
17463 unless the # is in column 1.
17464 (parse_string): If lang_fortran or lang_asm, silently
17465 terminate strings ('' or "") at end of line.
17466 Remove unnecessary braces.
17468 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17469 Richard Henderson <rth@cygnus.com>
17471 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17473 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17474 strict_low_part when possible.
17476 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17478 * alias.c: PROTO -> PARAMS.
17479 * basic-block.h: Likewise.
17480 * bitmap.c: Likewise.
17481 * bitmap.h: Likewise.
17482 * builtins.c: Likewise.
17483 * c-aux-info.c: Likewise.
17484 * caller-save.c: Likewise.
17485 * calls.c: Likewise.
17487 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17489 * Makefile.in (toplev.o): Depend on regs.h.
17491 * output.h (tdesc_section): Prototype.
17493 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17495 * sdbout.c: Include "tm_p.h".
17497 * toplev.c: Include "regs.h".
17499 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17501 * unroll.c (unroll_loop): Add EH support.
17503 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17505 * pa-protos.h: New file.
17507 * pa.c: Include recog.h and tm_p.h.
17508 (compute_zdepwi_operands, compute_movstrsi_length,
17509 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17510 find_addr_reg, import_milli): Add static prototypes.
17511 (pa_cpu_string, pa_arch_string): Constify a char*.
17512 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17513 (read_only_operand): Add argument `mode'.
17514 (singlemove_string, output_move_double, output_fp_move_double,
17515 output_block_move, output_and, output_ior, output_ascii,
17516 remove_useless_addtr_insns, milli_names, output_mul_insn,
17517 output_div_insn, output_mod_insn, output_arg_descriptor,
17518 output_cbranch, output_bb, output_bvb, output_dbra, ,
17519 output_millicode_call, output_call, hppa_encode_label,
17520 output_parallel_movb, output_parallel_addb): Constify a char*.
17521 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17522 (output_parallel_addb): Remove extra arg to `constrain_operands'
17524 * pa.h: Move all prototypes to pa-protos.h.
17525 (pa_cpu_string, pa_arch_string): Constify a char*.
17526 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17528 * pa.md: Call `function_label_operand' with mode argument.
17529 Likewise for `read_only_operand'.
17530 Fix nesting of parens in call to `symbolic_operand'.
17532 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17534 * i860-protos.h: New file.
17536 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17539 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17541 * i860.md: Likewise.
17543 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17545 * i386.md (movstrsi expander): Rewrite.
17546 (movstrsi_1 insn): Deleted.
17547 (strmovhi, strmovqi expander): New expanders.
17548 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17549 * i386.c (x86_single_stringop): New global variable.
17550 * i386.h (x86_single_stringop): Declare.
17551 (TARGET_SINGLE_STRINGOP): New macro.
17553 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17555 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17556 integer vararg POSTINCREMENT before the destination of the jump
17557 for the hard fp case.
17558 (function_arg_pass_by_reference): Pass a copy of CUM to
17561 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17562 for CONSTANT_ADDRESS_P above while loop for subreg.
17564 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17566 * flow.c (propagate_block): When a prologue/epilogue insn
17567 is marked dead, unconditionally clear libcall_is_dead and
17568 insn_is_dead, and only dump rtl if warnings aren't being
17571 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17573 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17574 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17575 (FIXED_REGISTERS): Set dirflag as fixed.
17576 (CALL_USED_REGISTERS): Set dirflag as used.
17577 (REG_ALLOC_ORDER): Set dirflag as last one.
17578 (DIRFLAG_REG): New macro.
17579 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17580 (HI_REGISTER_NAMES): Add dirflag.
17581 (DEBUF_PRINT_REG): Handle dirflag.
17582 * i386.md (type attribute): New cld and str types.
17583 (length_opcode attribute): Set cld and str to 1.
17584 (memory attribute): Set str to unknown - it is not clear from the
17586 (pent_np function unit): Prefixed string operations takes 12 cycles
17587 minimally; cld takes 2 cycles.
17588 (ppro_uops attribute): Str is "many" and cld is "few".
17589 (ppro_p0 unit): Handle cld here.
17590 (k6_alux unit): Handle cld and str types.
17591 (k6_load unit): It is ocupied by str opcodes.
17592 (k6_store unit): It is ocupied by str opcodes.
17593 (athlon_decode): Str is vector decoded.
17594 (athlon_ieu): Handle str and cld.
17595 (cld pattern): New.
17596 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17597 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17598 cmpstrsi_nz_1 insn): Do not output cld instruction
17600 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17602 * gcc.texi (G++ and GCC): Add Java and Chill.
17603 (Bug Critera): Don't list languages.
17605 * gcc.texi (Incompatibilities): No longer claim most C compilers
17608 * gcc.texi (G++ and GCC): Update other front-ends list.
17610 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17612 * i386.c (ix86_expand_setcc): Fix typo.
17613 (ix86_expand_movcc): Similarly.
17615 * Band-aid until haifa's bitset implementation is nuked.
17616 * haifa-sched.c (extract_bitlst): New parameter for size of the
17617 bitset in bits. All callers changed. Avoid looking at undefined
17618 bits in the bitset.
17619 (edgeset_bitsize): New variable.
17620 (schedule_region): Initialize edgeset_bitsize.
17622 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17624 * Makefile.in (optabs.o): Depend on real.h
17625 (resource.o): Depend on insn-attr.h
17627 * builtins.c (result_vector): Wrap prototype in macro conditions
17628 governing definition and use.
17630 * c-common.c: Include tm_p.h.
17632 * c-lex.c: Likewise.
17634 * elfos.h: Constify a char*.
17636 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17637 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17638 parameter with ATTRIBUTE_UNUSED.
17640 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17643 * haifa-sched.c (schedule_insns): Mark parameter with
17646 * optabs.c: Include real.h.
17648 * real.h (ereal_atof): Add prototype arguments.
17650 * resource.c: Include insn-attr.h.
17652 * sdbout.c (sdbout_queue_anonymous_type,
17653 sdbout_dequeue_anonymous_types): Wrap in macro
17654 SDB_ALLOW_FORWARD_REFERENCES.
17655 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17658 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17660 * stupid.c: Include tm_p.h.
17662 * tree.c (real_value_from_int_cst): Mark parameter with
17665 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17667 * i960-protos.h: New file.
17669 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17672 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17674 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17676 * combine.c (expand_field_assignment): Do not discard SUBREGs
17677 while computing nonzero_bits.
17679 2000-01-09 Nick Clifton <nickc@cygnus.com>
17681 * config/arm/arm.c: Fix compile time warnings about signed vs
17682 unsigned constants.
17683 * config/arm/arm.h: Fix compile time warnings about signed vs
17684 unsigned constants.
17686 2000-01-09 Philip Blundell <philb@gnu.org>
17688 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17689 than `ldm' with only one register.
17690 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17693 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17696 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17698 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17701 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17703 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17704 assignment used as truth value.
17706 * function.c (assign_temp): Mark parameter `dont_promote' with
17707 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17708 PROMOTE_FOR_CALL_ONLY.
17710 * genrecog.c (write_subroutine): Mark variable `operands' with
17713 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17716 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17717 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17719 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17722 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17724 * config/c4x.h: Tidy up comments.
17725 * config/c4x.c: Likewise.
17727 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17729 * fold-const.c (lshift_double, rshift_double): Handle
17730 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17732 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17734 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17735 in prepare_function_start().
17737 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17739 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17740 longer allocate extra stack for function calls.
17742 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17744 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17746 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17748 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17750 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17752 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17753 * aix43.h: Revert Aug 2 change.
17754 (HAS_INIT_SECTION): Define, not visible yet.
17755 (LD_INIT_SWITCH): Define, not visible yet.
17756 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17758 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17760 * collect2.c (main): Expand ld2 size further.
17761 (export_object_lst): Cast assignment to avoid warning.
17762 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17763 (scan_prog_file, COFF): Do not collect initialization or
17764 finalization functions generated for entire shared object if
17765 init/fini support present.
17767 2000-01-07 Nick Clifton <nickc@cygnus.com>
17769 * config/elfos.h: Tidy up formatting of marcos. Make sure
17770 that .section directives are always prefixed by a tab.
17772 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17775 2000-01-07 Matt Austern <austern@sgi.com>
17777 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17780 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17782 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17784 (crtbegin.o, s-crtS): Likewise.
17786 2000-01-06 Richard Henderson <rth@cygnus.com>
17788 * alpha.md (adddi_2+1): Limit offset such that it will be
17789 loadable with a single ldah+lda pair.
17790 (adddi_2+2): Explicitly fail split if we can't make it work.
17792 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17794 * protoize.c: Conditionally include unistd.h.
17795 (IS_SAME_PATH_CHAR): New macro.
17796 (IS_SAME_PATH): New macro.
17797 (CPLUS_FILE_SUFFIX): New macro.
17798 (cplus_suffix): New static variable.
17799 (is_abspath): New static function.
17800 (in_system_include_dir): Handle DOS style pathnames.
17801 (file_could_be_converted): Likewise.
17802 (file_normally_convertible): Likewise.
17803 (directory_specified_p): Likewise.
17804 (file_excluded_p): Likewise.
17805 (abspath): Likewise.
17806 (shortpath): Likewise.
17807 (referenced_file_is_newer): Likewise.
17808 (save_def_or_dec): Likewise.
17809 (do_processing): Likewise.
17811 (edit_file): Likewise. Use rename instead of link.
17812 (rename_c_file): Likewise. Don't rename syscalls file.
17813 (munge_compile_params): Define null device for DOS based systems.
17814 (process_aux_info_file): Use binary mode if appliable.
17815 (edit_file): Likewise.
17816 * invoke.texi (Running Protoize): Document C++ suffixes used.
17818 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17819 IS_DIR_SEPARATOR macros.
17820 * collect2.c: Likewise.
17821 * cppinit.c: Likewise.
17822 * dwarf2out.c: Likewise.
17824 * gcov.c: Likewise.
17825 * prefix.c: Likewise.
17827 * toplev.c: Likewise.
17828 * system.h: And move to here.
17830 * prefix.c (update_path): Fix typo in variable name.
17832 2000-01-06 Richard Henderson <rth@cygnus.com>
17834 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17835 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17836 (count_reg_sets_1, count_reg_references): Likewise.
17837 (flow_loops_level_compute): Start counting actual loop depth at 1.
17838 (flow_loops_find): Likewise.
17839 * local-alloc.c (update_equiv_regs): Likewise.
17840 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17842 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17844 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17845 FIRST_PSEUDO_REGISTER
17846 * dwarf2out.c: Don't include frame.h
17847 * dwarfout.c: Likewise
17848 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17851 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17853 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17856 * i386.c (movsf splitter): Fix typo in my last checkin.
17858 2000-01-05 Nick Clifton <nickc@cygnus.com>
17860 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17861 own definition of this macro.
17862 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17863 flag_data_sections or UNIQUE_SECTION_P are true.
17865 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17866 unitialised data decls.
17868 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17869 being called for uninitialised data.
17871 * config/i386/interix.c (i386_pe_unique_section): Cope with
17872 being called for uninitialised data.
17874 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17875 for uninitialised data.
17877 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17878 for uninitialised data.
17880 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17881 for uninitialised data.
17883 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17884 (UNIQUE_SECTION_P): Always generate a unique section if
17885 flag_data_sections is true.
17886 (UNIQUE_SECTION): Also generate unique sections for
17887 uninitialised data.
17888 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17889 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17892 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17894 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17897 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17899 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17900 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17901 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17902 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17903 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
17905 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
17907 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
17909 * c-decl.c (finish_enum): Simplify code to determine minimum and
17910 maximum values of the enum, and calculate the type. Remove check
17911 for FUNCTION_DECLs in the values list, which cannot happen. Replace
17912 the DECL_INITIAL of each enumeration constant with a copy converted
17913 to the enumeration type. When updating variant types, don't bother
17914 updating the type itself.
17916 * c-typeck.c (build_binary_op): Simplify conditional expressions
17917 when weeding out spurious signed-unsigned warnings. Add new
17918 spurious warning category: if the unsigned quantity is an enum
17919 and its maximum value fits in signed_type(result_type). Update
17921 (build_conditional_expr): Warn here if one alternative is signed
17922 and the other is unsigned.
17924 2000-01-05 Nick Clifton <nickc@cygnus.com>
17926 * config/fr30/fr30.h: Remove extraneous comments.
17928 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
17930 * reload1.c (choose_reload_regs): When disabling a reload, also
17931 set reload_spill_index to -1.
17933 2000-01-04 Joel Sherrill (joel@OARcorp.com>
17935 * configure.in (m68*-*-rtemscoff*): New target, formal name for
17937 (m68*-*-rtemself*): New target.
17938 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
17939 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
17940 (sparc*-*-rtemself*): New target.
17941 (sparc*-*-rtems*): Now elf not a.out.
17942 * config/i386/rtems.h: Include config/rtems.h.
17943 * config/i386/rtemself.h: Include config/rtems.h.
17944 * config/i960/rtems.h: Include config/rtems.h.
17945 * config/m68k/rtems.h: Include config/rtems.h.
17946 * config/m68k/rtemself.h: Include config/rtems.h.
17947 * config/mips/rtems64.h: Include config/rtems.h.
17948 * config/pa/rtems.h: Include config/rtems.h.
17949 * config/rs6000/rtems.h: Include config/rtems.h.
17950 * config/sh/rtems.h: Include config/rtems.h.
17951 * config/sh/rtemself.h: Include config/rtems.h.
17952 * config/sparc/rtems.h: Include config/rtems.h.
17953 * config/sparc/rtemself.h: Include config/rtems.h
17955 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
17957 * final.c (shorten_branches): Correctly compute length of
17958 asms without operands.
17960 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
17962 * configure.in: Add pj target.
17963 * configure: Regenerate.
17964 * config/pj: New directory.
17965 * config/pj/lib1funcs.S: New file.
17966 * config/pj/linux.h: New file.
17967 * config/pj/pj.c: New file.
17968 * config/pj/pj.md: New file.
17969 * config/pj/pjl.h: New file.
17970 * config/pj/t-pj: New file.
17971 * config/pj/xm-pj.h: New file
17973 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
17975 * toplev.c (rest_of_compilation): Run shorten-branches before
17978 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17980 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
17981 macros so that they're consistent with their names.
17982 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17983 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
17985 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17987 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
17988 modified inadvertently.
17990 2000-01-04 Joel Sherrill <joel@OARcorp.com>
17992 * configure.in (v850*-*-rtems*): New target.
17993 * configure: Regenerate.
17994 * config/v850/rtems.h: New file.
17996 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
17998 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
17999 (__gthread_key_create): Likewise.
18000 (__gthread_key_dtor): Likewise.
18001 (__gthread_once): Fix logic.
18002 (__gthread_key_delete): Cast away constness.
18004 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18005 * invoke.texi: Document.
18006 * i386/mingw32.h (CPP_SPEC): Use.
18007 (LIBGCC_SPEC): Likewise.
18008 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18010 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18012 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18013 (HANDLE_PRAGMA_PACK): Undefine.
18014 (SLOW_UNALIGNED_ACCESS): Define.
18016 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18018 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18019 to default definition.
18020 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18021 (store_fixed_bit_field): Call macro with word_mode and alignment.
18022 (extract_bit_field): Call macro with relevant mode and alignment.
18023 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18024 to default definition.
18025 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18027 (move_by_pieces_ninsns): Likewise.
18028 (clear_by_pieces): Likewise.
18029 (emit_push_insn): Likewise.
18030 (store_field): Call macro with relevant mode and alignment.
18031 (expand_expr): Likewise.
18032 (expand_expr_unaligned): Likewise.
18034 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18035 (SLOW_UNALIGNED_ACCESS): Define.
18036 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18037 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18038 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18039 (toc_section): Likewise and .toc pseudo-op.
18040 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18042 (TEXT_SECTION_ASM_OP): Likewise.
18043 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18046 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18047 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18048 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18049 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18050 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18052 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18054 * regclass.c: Revert my Jan 4 change to loop cost computation.
18056 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18058 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18061 2000-01-04 Stan Cox <scox@cygnus.com>
18063 * haifa-sched.c (build_control_flow): Change unreachable simple
18064 loop test to check if current block has only one predecessor.
18065 (find_rgns): Initialize degree. Use dest as degree index, not src.
18067 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18069 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18071 * calls.c (expand_call): Likewise for
18072 `old_stack_arg_under_construction'.
18074 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18076 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18079 * gcc.c (execute): Likewise for `ut' and `st'.
18081 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18083 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18085 * jump.c (jump_optimize_1): Likewise for `temp2'.
18087 * local-alloc.c (block_alloc): Likewise for `r1'.
18089 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18091 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18092 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18094 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18097 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18098 and `goal_earlyclobber'.
18100 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18102 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18104 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18106 * unroll.c (copy_loop_body): Likewise for `copy'.
18108 * varasm.c (output_constructor): Likewise for `byte'.
18110 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18112 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18113 all FP constants for constant->reg moves.
18114 (ix86_split_to_parts): Try to convert memory address into immediate
18115 when available in the constant pool.
18116 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18118 (LEGITIMATE_CONSTANT_P): Return 1.
18119 * i386.md (pushsf): New splitter to convert constant pool memory
18120 reference to immediate.
18121 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18124 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18126 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18127 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18128 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18129 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18130 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18132 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18134 * ginclude/stdbool.h: Support compilation as C++.
18136 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18138 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18140 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18142 * regclass.c (regclass): Properly compute loop_cost. Adjust
18145 * regclass.c: Fix minor whitespace problems.
18147 2000-01-03 Anthony Green <green@cygnus.com>
18149 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18150 Restore the pic register if required.
18152 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18154 * c-common.c (format_char_info): Update comment.
18155 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18156 was recognized. Emit warning for formats new in ISO C99 only
18157 if flag_isoc9x is not set.
18159 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18161 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18163 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18165 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18166 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18167 (make_compound_operation): Choose cheaper alternative between
18168 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18170 * regclass.c (op_costs): Remove global variable.
18171 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18172 (record_operand_costs): Break out from ...
18173 (scan_one_insn): ... here.
18174 (dump_regclass): Make dumps nicer.
18175 (regclass): Dump preferrences choosed and changes done during passes.
18177 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18179 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18181 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18183 * config/sparc/sparc.c (gen_df_reg): New function.
18184 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18185 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18186 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18187 movtf_cc_reg_sp64+1): Use it.
18189 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18191 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18192 copied LABEL_DECLs.
18194 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18196 * config/i386/i386.c (ix86_expand_unary_operator): Function
18197 definition made void.
18198 (ix86_expand_binary_operator): Update outdated preceding comment.
18199 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18202 * config/i386/i386.c (override_options): Fix option-name typo.
18204 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18206 * system.h (CEIL): Define.
18207 * builtins.c (CEIL): Remove.
18208 * expmed.c (CEIL): Likewise.
18209 * expr.c (CEIL): Likewise.
18210 * stor-layout.c (CEIL): Likewise.
18212 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18214 * expr.c (store_constructor_field): Fix typo introduced with last
18217 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18219 * tree.h (BINFO_N_BASETYPES): New macro.
18221 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18223 * expmed.c (emit_store_flag): Prevent losing a pending stack
18224 adjust the same way we prevent losing queued increments.
18226 See ChangeLog.2 for earlier changes.