1 2000-07-19 Bruce Korb <bkorb@gnu.org>
3 * fixinc/fixincl.c: Convert to using a table of environment variables
4 and activate the auto-edit marker on the fixed output files.
5 * fixinc/fixlib.h: Define the environment table
6 * fixinc/fixincl.sh: export the ${INPUT} dir
7 * fixinc/check.tpl: likewise
9 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
11 * gcc.c (.h spec): Fix typo.
13 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
15 * Makefile.in: Fix tradcif.c path.
17 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
19 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
22 * cpphash.h (TOKEN_NAME): New macro.
23 (_cpp_spell_operator): Deleted.
24 (token_spellings): Now _cpp_token_spellings.
26 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
27 * cpplex.c: Use OP and TK macros when expanding the
28 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
29 store the stringification of the enumeration name (CPP_CHAR,
30 etc.) in the name slot of token_spellings.
31 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
32 token_spellings directly.
33 * cpplib.c: Use TOKEN_SPELL.
35 * cpplex.c (_cpp_push_token): If the token being pushed back
36 is the previous token in this context, just subtract one from
38 * cppmacro.c (save_expansion): Clear aux field when storing a
41 2000-07-18 Jakub Jelinek <jakub@redhat.com>
43 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
44 buffer, provided it is not NULL.
46 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
48 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
49 case of invalid volatile re-declaration.
51 2000-07-18 Jakub Jelinek <jakub@redhat.com>
53 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
54 (expand_call): Adjust caller.
56 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
58 * diagnostic.h (report_diagnostic): Change prototype.
60 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
61 diagnostic_for_decl): Change prototype.
62 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
63 error, warning, error_with_file_and_line,
64 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
65 Adjust call to report_diagnostic, diagnostic_for_decl.
66 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
67 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
69 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
70 varaible argument list.
72 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
74 * cpphash.c: Don't include hashtab.h. Most macro-handling code
76 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
77 dump_hash_helper): Delete.
78 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
79 cpp_forall_identifiers): New. Implement specialized version of
80 Vlad's expandable hash table.
81 (cpp_lookup): Use new functions.
82 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
84 * cppmacro.c: New file.
85 * cppinit.c (dump_macros_helper): New.
86 (cpp_finish): Iterate over the identifier table directly.
87 * cpplex.c (parse_name): Calculate the hash of the identifier
88 while we scan it. Use _cpp_lookup_with_hash when we can.
90 * cpphash.h: Update prototypes.
91 (xcnewvec, HASHSTEP): New helper macros.
92 * cpplib.h: Update prototypes.
93 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
94 (cppmacro.o): New rule.
95 (cpphash.o): Update deps.
97 * cppmain.c: Do not set pfile->printer if no_output is on.
99 2000-07-15 Neil Booth <neilb@earthling.net>
101 * cpplib.c: Change all directive-handler functions to return
103 * cpphash.h: Update typedefs.
105 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
107 * configure: Regenerate.
109 * extend.texi (Extended Asm): Mention that a memory clobber
110 does not count as a side-effect.
112 * unroll.c (copy_loop_body): Fix one instance of using host
113 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
116 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
118 2000-07-17 Richard Henderson <rth@cygnus.com>
120 * config/ia64/ia64.md (movdi): Split out load address code.
121 New post-reload splitter for symbolic operands.
122 (movdi_internal): Abort if we didn't split symbolic operands
124 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
125 (ia64_reorg): Split insns when not optimizing.
126 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
128 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
130 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
131 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
133 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
135 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
137 2000-07-17 Jason Merrill <jason@redhat.com>
139 * Makefile.in (clean): Remove libgcc directory.
141 * configure.in (-Wno-long-long check): Use higher-level macros.
143 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
145 * simplify-rtx.c (simplify_binary_operation): Recognize
146 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
147 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
148 a CONST_INT, it will always be zero.
150 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
152 * loop.c (check_dbra_loop) : Return if more than one condition is
153 present to control the loop.
155 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
157 * mips.c (mips_expand_prologue): Don't calculate the last argument
158 register unless we need it. When we are calculating this, make
159 sure FUNCTION_ARG is giving us a REG.
161 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
163 * flow.c (libcall_dead_p): Use single_set to verify the insn
164 has only one set and get for analysis.
165 (propagate_one_insn): Don't pass the PATTERN of the insn.
167 2000-07-17 Mark Klein <mklein@dis.com>
169 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
171 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
173 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
174 * configure.in (TARGET_GETGROUPS_T): Evaluate.
175 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
176 of second argument of getgroups.
177 * configure, config.in: Rebuilt.
179 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
181 * simplify-rtx.c (simplify_relational_operation): Two signed
182 values with equal high words are less/greater than each other if
183 their low words are less/greater when considered as unsigned.
185 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
187 * configure.in (vax-*-openbsd): Change to new style configuration,
188 add collect2/float_format information.
189 * configure: Rebuilt.
190 * config/vax/openbsd1.h: New.
191 * config/vax/openbsd.h: New.
192 * config/vax/t-openbsd: New.
194 2000-07-17 Chip Salzenberg <chip@valinux.com>
196 * c-common.c (shorten_compare): Quiet warnings about unsigned
197 comparisons with zero when they occur in a system header.
199 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
201 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
202 update to describe current practice.
204 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
206 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
207 references to C9X. Change references to -fstd and -flang-isoc9x
210 * c-common.c (scan_char_table): Allow "z" length modifiers on
212 (check_format_info): Use TYPE_DOMAIN on the type matched against
213 for "z" formats, to retrieve the language size_t rather than the
216 * c-common.c (check_format_info): Do not make a pedantic objection
217 to the 'L' length modifier if used with a floating point type
220 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
221 constants in C99 mode.
223 2000-07-17 Kazu Hirata <kazu@hxi.com>
225 * h8300.md: Fix the format of mac.
226 (movsi_h8300hs): Output a tab after stmac instead of a space.
228 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
229 profitable adds/subs sequences.
231 * fold-const.c: Fix comment typos.
233 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
235 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
237 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
239 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
241 2000-07-16 Neil Booth <NeilB@earthling.net>
243 * cpplex.c: Update comments.
244 * README.Portability: Small update.
246 2000-07-16 Neil Booth <NeilB@earthling.net>
248 * README.Portability: Small update.
250 2000-07-15 Richard Henderson <rth@cygnus.com>
252 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
253 * config/ia64/ia64.c (ia64_move_ok): New function.
254 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
255 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
257 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
259 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
260 immediately following a paste operator.
261 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
262 (cpp_reader_init): Call it, if HOST_EBCDIC.
263 (cpp_handle_options): Do not sort option list here.
264 (handle_option): Rename to cpp_handle_option and export.
265 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
266 _cpp_get_token directly.
267 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
268 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
269 * cpplib.h: Prototype cpp_handle_option. Update prototype of
272 2000-07-15 Richard Henderson <rth@cygnus.com>
274 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
275 cast around an expression. Tidy other unsigned tests.
277 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
279 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
280 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
281 (v_message_with_decl): Rename to ...
282 (format_with_decl): ... this. Tweak
283 (diagnostic_for_decl): New function.
284 (fatal_io_error): Use verbatim in lieu of notice.
285 (announce_function): Use verbatim.
286 (default_print_error_function): Likewise.
287 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
290 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * mips.c (function_arg_pass_by_reference): Don't do automatic
293 aggregate initialization.
294 (machine_dependent_reorg): Initialize variable `mode'.
296 * mips.md (absdi2): Change variable `regno1' to unsigned int.
297 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
298 conflicts with sys/param.h macro of the same name.
299 (reload_outdi): Likewise.
301 2000-07-15 Michael Meissner <meissner@redhat.com>
303 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
304 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
305 create a new node instead.
307 2000-07-15 Neil Booth <NeilB@earthling.net>
309 * README.Portability: Correct example about calling a function
310 through a pointer to function. Format wide paragraphs.
312 2000-07-15 Michael Meissner <meissner@redhat.com>
314 * README.Portability: Update integer suffixes and function
317 2000-07-15 Neil Booth <NeilB@earthling.net>
319 * README.Portability: Small update.
321 2000-07-15 Neil Booth <NeilB@earthling.net>
323 * README.Portability: New file.
325 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
327 * INSTALL: Give special instructions for building GCC on Irix 6.
328 * config/mips/x-iris6 (CC): Don't set it.
331 2000-07-14 Jason Merrill <jason@redhat.com>
333 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
334 register in the stack and later in another register, use the new
337 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
339 * config/mips/mips.md: (absdi2): Handle sign_extend for
342 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
344 * cpplib.c (do_pragma_dependency): Tidy warning messages.
346 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
348 * .cvsignore: Correct typo.
350 2000-07-13 Mark Mitchell <mark@codesourcery.com>
352 * .cvsignore: Add generated YACC files.
353 * objc/.cvsignore: New file.
355 2000-07-14 Neil Booth <NeilB@earthling.net>
357 * cpplex.c (adjust_column): New funcion.
358 (skip_whitespace): Use it.
359 (skip_block_comment): Use it, and warn about /*/* with
362 2000-07-14 Neil Booth <NeilB@earthling.net>
364 * cpphash.c (struct macro_info): Add new members.
365 (_cpp_free_definition): Delete the macro directly.
366 (count_params): Return void, with first token of
367 expansion in struct macro_info on success.
368 (parse_define): Return int. Hoist syntax checking from
369 save_macro_expansion. Leave call to save_expansion to
370 _cpp_create_definition.
371 (alloc_macro): Needs just 2 arguments.
372 (free_macro): Delete.
373 (save_expansion): Don't perform syntax check.
374 (_cpp_create_definition): Call save_expansion.
376 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
378 * genrecog.c (write_header): Split long string.
380 * cpphash.c (macro_info): Don't use the `signed' keyword.
382 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
384 2000-07-13 Jakub Jelinek <jakub@redhat.com>
386 * calls.c (stored_args_map): New variable.
387 (check_sibcall_argument_overlap_1): New.
388 (check_sibcall_argument_overlap): New.
389 (expand_call): Initialize stored_args_map.
390 Call check_sibcall_argument_overlap.
392 2000-07-13 Bruce Korb <bkorb@gnu.org>
394 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
395 (emit_gnu_type): utility procedure for gnu_type_fix
396 (gnu_type_fix): implement various pre-processor guards around
397 standard types so these types can be defined over and over
398 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
399 types alluded to above will have GNU-compliant base types
400 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
401 * fixinc/inclhack.def: add test_text entries and utilize the new
402 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
403 * fixinc/fixincl.x: regenerate
405 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
407 * diagnostic.c (vline_wrapper_message_with_location,
408 v_message_with_file_and_line, v_error_with_file_and_file,
409 v_error_for_asm, v_warning_for_asm, vfatal,
410 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
411 vsorry, verror, vwarning, vpedwarn): Remove.
412 (diagnostic_for_asm): New function.
413 (pedwarn, error, warning, pedwarn_with_file_and_line,
414 error_with_file_and_line, warning_with_file_and_line, sorry,
415 error_for_asm, warning_for_asm, fatal): Reimplement.
416 (finish_diagnostic): Clear diagnostic info as well.
418 2000-07-13 Neil Booth <NeilB@earthling.net>
420 * c-common.h (flag_digraphs): New.
421 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
422 * c-lex.c (yylex): Use flag_digraphs to decide whether to
425 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
427 * gcc.c (do_spec_1): Add new %B operator.
428 (set_input): Prepare for %B.
430 (link_command_spec): Move up with the other tm.h-
431 overrideable specs. Factor out the portion conditional on
432 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
433 (struct compiler): Just have a single spec string. All users
435 (default_compilers): Remove unnecessary braces.
436 (static_specs): Update.
438 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
440 (C and assembly specs): Use the new named specs, as appropriate.
442 * objc/lang-specs.h: Use the new named specs.
443 Remove unnecessary braces.
445 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
447 * gcc.c (execute): If a subprocess gets a fatal signal, report
448 strsignal() of the signal number, and ask for a bug report.
449 Do not do this for SIGPIPE if there's already been an error.
451 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
456 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
458 * final.c (profile_function): Do not emit profile counters in
459 the data section, if NO_PROFILE_COUNTERS is defined.
460 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
463 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
464 (FUNCTION_PROFILER): Just emit a call to mcount.
466 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
468 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
470 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
471 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
472 traditional, lang_chill, or lang_fortran.
474 * cppfiles.c: #undef strcmp to suppress warning about macros
475 used without arguments.
476 (_cpp_execute_include): Use f, not fname, in "No include path"
478 (_cpp_pop_file_buffer): New function.
479 * cpplib.c: Don't include <sys/mman.h>.
480 (cpp_push_buffer): Set line_base and lineno in new buffer.
481 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
483 * cpplex.c: Move all prototypes and structure declarations to the
484 top of the file. Properly parenthesise some macro arguments.
485 (cpp_scan_line): New function.
486 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
487 don't need to walk up the stack counting.
489 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
491 * c-common.c (combine_strings): Emit a pedantic warning when a
492 string length is greater than the minimum ANSI C is required
495 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
497 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
498 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
500 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
502 * c-decl.c (define_label): Warn about identifier conflicts with
503 labels in traditional C.
505 * c-parse.in (unop +): Warn about the unary plus operator for
508 * c-typeck.c (store_init_value): Warn about automatic aggregate
509 initialization for traditional C.
511 * invoke.texi (-Wtraditional): Document new warnings.
513 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
515 * Makefile.in (c-errors.o): Fix thinko in dependency.
517 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
519 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
520 -traditional, -ftraditional, or -traditional-cpp was given.
521 Do not pass -traditional to the preprocessor.
522 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
523 preprocessor does it automatically.
524 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
526 * ch/lang-specs.h: Always use tradcpp. Do not pass
527 -traditional, -trigraphs, or -pedantic to the preprocessor.
528 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
531 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
533 * cppexp.c (LOGICAL): Delete macro.
534 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
537 * cpphash.c (HASHSIZE): Increase to 4096.
538 (struct hashdummy): Add hash field.
539 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
540 the string values using memcmp.
541 (cpp_lookup): Set dummy.hash.
543 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
545 * configure.in (m88k-openbsd): Express configuration using new fragment
547 * configure: Rebuilt.
548 * m88k/aout-dbx.h: New.
549 * m88k/openbsd.h: New.
550 * m88k/xm-openbsd.h: New.
552 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
554 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
556 2000-07-12 Richard Henderson <rth@cygnus.com>
558 * reload.c (push_secondary_reload): Make sure to add the new
559 reload at the end, after acquiring secondary memory.
561 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
563 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
565 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
566 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
568 * c-parse.in (stmt): Delete unused variables.
570 * convert.c (convert_to_vector): Likewise.
572 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
574 * tree.c (finish_vector_type): Prototype.
576 2000-07-12 Bruce Korb <bkorb@gnu.org>
578 * fixinc/fixfixes.c: use xmalloc
579 * fixinc/fixincl.c(initialize): set program name for xmalloc
580 * fixinc/fixlib.c(must_malloc): obsolete
581 (is_cxx_header): no longer used - disabled
582 (skip_quote): inserted and disabled for future use
583 * fixinc/fixlib.h: reflects above
584 * fixinc/fixtests.c: removed dinkleberries
586 2000-07-12 Neil Booth <NeilB@earthling.net>
588 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
589 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
591 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
592 struct toklist_dummy): New.
593 (cpp_free_definition): Free macros with free_macro.
594 (count_params): Don't save paramter spellings. Save macro
595 information in a struct macro_info.
596 (parse_define): Don't allocate a token list.
597 (save_expansion): Allocate the macro's token list, and
598 save parameter spellings if necessary. Use TOKEN_SPELL.
599 (cpp_create_definition): Make list const.
601 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
603 * c-typeck.c (pedwarn_c99): Move to
604 * c-errors.c: ... Here.
605 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
606 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
607 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
608 (c-errors.o): List dependency.
610 2000-07-12 Mark Mitchell <mark@codesourcery.com>
613 * c-parse.h: Likewise.
614 * c-parse.y: Likewise.
615 * objc/objc-parse.c: Likewise.
616 * objc/objc-pasre.y: Likewise.
618 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
620 * gcc.texi: Fix minor typos
621 * extend.texi: Fix minor typos
623 2000-07-11 Marc Espie <espie@openbsd.org>
625 * collect2.c (main): Recognize .lo as object files.
627 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
629 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
632 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
633 with MAP_ANONYMOUS and MAP_ANON.
634 * configure, config.in: Rebuilt.
636 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
638 * diagnostic.c (save_output_state): Remove.
639 (restore_output_state): Likewise.
640 (clear_text_info): New function.
641 (clear_diagnostic_info): Likewise.
642 (output_text_length, is_starting_newline, output_prefix,
643 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
644 prefixing_policy, output_buffer_ptr_to_format_args): New macros
645 (set_real_maximum_length, output_set_maximum_length,
646 output_set_prefix, output_get_prefix, output_set_maximum_length,
647 output_destroy_prefix, init_output_buffer,
648 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
649 output_add_newline, output_add_character, output_add_space,
650 output_append_r, output_append, wrap_text, output_format,
651 output_do_printf, output_printf, output_do_verbatim,
652 output_verbatim, verbatim): Use them.
653 (output_clear): Split into cleat_text_info and
654 clear_diagnostic_info.
655 (struct output_state): Move to...
657 * diagnostic.h: ...Here
658 (struct output_buffer): Adjust.
660 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
662 * cpplex.c (parse_name): No longer inline (premature optimization).
663 (do_pop_context): Fold into pop_context.
664 (pop_context): Returns int.
665 (lex_next): Hoist test for end of directive into pop_context.
666 (push_macro_context): Returns int; takes just reader and token.
667 Hoist test for excessive nesting to caller.
668 (push_arg_context): Returns void; takes just reader and token.
669 Do not call stringify_arg or get_raw_token.
670 (get_raw_token): Convert tail recursion through push_arg_context
671 to a loop at this level. Call stringify_arg here if appropriate.
672 (maybe_paste_with_next): Convert tail recursion to a while loop.
673 Hoist test of paste_level to caller.
675 (stringify_arg): Push arg context at beginning.
676 (cpp_get_token): Split out core into _cpp_get_token. Call
677 process_directive here. Throw away CPP_PLACEMARKER tokens.
678 (_cpp_get_token): Convert tail recursion through
679 push_macro_context to a loop at this level.
680 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
681 _cpp_get_raw_token): Use _cpp_get_token.
682 (_cpp_skip_rest_of_line): Drop the context stack directly; do
683 not call pop_context.
684 (_cpp_run_directive): Call lex_next directly.
686 * cpphash.h: Prototype _cpp_get_token.
687 * cppexp.c (lex): Use it.
688 * cpphash.c (parse_define): Use it.
689 * cpplib.c (get_define_node, do_undef, parse_include,
690 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
691 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
692 parse_ifdef, validate_else): Use it.
693 (cpp_push_buffer): Tweak error message; abort if anyone tries
694 to push a buffer while macro expansions are stacked.
696 2000-07-11 Donn Terry <donnte@microsoft.com>
698 * cpplex.c (free_macro_args, save_token): Cast arg of free
699 and/or xrealloc to PTR.
700 (_cpp_init_input_buffer): Clear all fields of the base context.
702 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
704 * gensupport.c (process_rtx): Make rtl checking stop
705 complaining about the define_insn while it is being
706 converted from a define_insn_and_split.
708 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
710 * config/mips/mips.c (simple_memory_operand): Access the
711 INTVAL of the address, not it's containing MEM.
713 2000-07-11 Bruce Korb <bkorb@gnu.org>
715 * fixinc/fixtests.c(double_slash): obsolete
716 (else_endif_label): likewise
717 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
718 (libc1_ifdefd_memx): correct initial comment
719 and omit the #if/#endif pair from the memxxx declarations
720 * fixinc/fixincl.x: regen
722 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
724 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
726 2000-07-11 Neil Booth <NeilB@earthling.net>
730 2000-07-11 Neil Booth <NeilB@earthling.net>
732 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
733 (handle_option): Set digraphs according to standard.
734 Merge OPT_lang_c89 handler with OPT_std_c89.
736 * cpplex.c: (lex_line, can_paste): Honour digraphs in
737 accordance with the digraphs flag.
739 * cpplib.h: (struct cpp_options): New option digraphs.
741 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
742 Bruce Korb <bkorb@gnu.org>
744 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
745 * fixinc/fixincl.x: Regenerate.
746 * fixinc/tests/base/testing.h: Add testcase.
748 2000-07-10 Richard Henderson <rth@cygnus.com>
750 * config/ia64/ia64.c (got_symbolic_operand): New.
751 (symbolic_operand, move_operand): Revert 0701 change.
752 * config/ia64/ia64.h (PREDICATE_CODES): Update.
753 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
754 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
755 split the offset into a 14-bit low part instead of a 13-bit low part.
756 (load_fptr): Mark the mem as unchanging.
757 (load_symptr): Use got_symbolic_operand.
759 2000-07-10 Nick Clifton <nickc@cygnus.com>
761 * libgcc2.c (next_stack_level): Cast result of computation to
762 (void **) so that the assignment does not generate a warning.
764 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
766 * flags.h : Add new variable flag_single_precision_constant.
767 * toplev.c (display_help) : Add -fsingle-precision-constant option.
768 (flag_single_precision_constant): New.
769 * c-lex.c (yylex): Convert floating point constant to single
771 * invoke.texi : Add documentation for this new option.
773 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
775 * diagnostic.c (output_octal): Second parameter is unsigned.
776 (output_long_octal): Likewise.
777 (output_hexadecimal): Likewise.
778 (output_long_hexadecimal): Likewise.
779 (output_format): Adjust arguments extraction. Tweak.
780 (output_verbatim, verbatim): End variable argument list.
781 (report_diagnostic): Improve documentation.
783 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
785 * c-common.h (build_stmt): Declare.
786 (build_continue_stmt): Likewise.
787 (build_break_stmt): Likewise.
788 (build_return_stmt): Likewise.
790 * c-decl.c (do_case): Rewrite to do what previously done in
793 * c-semantics.c (build_stmt): Define.
794 (build_return_stmt): Likewise.
795 (build_break_stmt): Likewise.
796 (build_continue_stmt): Likewise.
797 (build_case_label): Likewise.
799 * c-parse.in (BREAK): Change to build tree, then generate RTL.
800 (CONTINUE): Likewise.
805 * c-parse.y: Regenerate.
806 * c-pasre.c: Likewise.
808 2000-07-09 Jason Merrill <jason@redhat.com>
810 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
812 * tree.h (STRIP_NOPS): Check for error_mark_node.
813 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
814 (dwarf2out_*): Remove duplicate declarations.
816 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
817 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
819 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
821 * diagnostic.c (wrap_text): New function.
822 (maybe_wrap_text): Likewise.
823 (output_add_string): Use it.
824 (output_format): Likewise.
825 (count_error): Use verbatim instead of notice.
826 (report_error_function): Likewise. Don't use plain fprintf.
827 (finish_diagnostic): New function.
828 (output_do_verbatim): Tweak. Commonalize functionalities in
829 output_verbatim and verbatim.
830 (output_verbatim): Adjust.
831 (verbatim): Likewise.
832 (report_diagnostic): Define.
834 * diagnostic.h (report_diagnostic): Prototype.
836 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
838 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
840 2000-07-09 Neil Booth <NeilB@earthling.net>
842 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
843 IShspace, ISspace: Update.
845 * cppinit.c: ISTABLE: Update.
848 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
849 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
850 (skip_block_comment, skip_line_comment, parse_string,
851 lex_line): Use is_vspace rather than IS_NEWLINE.
852 (skip_whitespace, lex_line): Clean up to use is_nvspace.
853 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
855 (lex_next): Unconditionally stop if within a directive.
856 Treat directives within macro invocations as directives
857 (after parse_args emits error), not as the argument.
859 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
861 * diagnostic.c (diagnostic_args): New macro.
862 (diagnostic_msg): Likewise.
863 (output_formatted_integer): Likewise.
864 (output_state): New data type.
865 (digit_buffer): Make global.
866 (output_add_integer): Rename to output_decimal. Squeeze
868 (output_long_decimal, output_unsigned_decimal,
869 output_long_unsigned_decimal, output_octal, output_long_octal,
870 output_hexadecimal, output_long_hexadecimal): New functions.
871 (output_append_r): New function.
872 (output_append): Tweak.
873 (output_flush_on): Rename to output_to_stream.
874 (output_format): Change prototype. Improve documentation. Handle
875 more format specifiers.
876 (build_location_prefix): Rename to context_as_prefix.
877 (output_notice): Rename to output_do_printf.
878 (output_printf): Tweak.
879 (line_wrapper_printf): Likewise.
880 (vline_wrapper_message_with_location): Adjust call to renamed
882 (v_message_with_decl): Likewise.
883 (default_print_error_function): Likewise.
884 (save_output_state): New function.
885 (restore_output_state): Likewise.
886 (output_do_verbatim): Likewise.
887 (output_verbatim): Define.
888 (verbatim): Likewise.
890 * diagnostic.h (printer_fn): Change return type from void to int.
891 Improve documentation.
892 (output_add_integer): Rename to output_decimal.
893 (output_flush_on, output_format): Don't export.
894 (output_verbatim, verbatim): Declare.
896 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
898 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
899 Check whether c divides op1 exactly if operation is not
902 2000-07-08 Richard Henderson <rth@cygnus.com>
904 * final.c (final): Do not abort when reg-stack introduces
907 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
909 * cpplib.h (struct cpp_name): Now struct cpp_string.
910 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
911 CPP_HEADER_NAME): Change to type S.
912 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
913 field, a cpp_hashnode *. All references to val.name updated
914 to use val.str or val.node as appropriate.
915 (struct cpp_reader): Add spec_nodes field.
916 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
918 * cpphash.h (struct spec_nodes): New.
919 (enum spell_type): Reorder. Only SPELL_STRING tokens use
920 val.str. All references to 'spelling > SPELL_NONE' updated to
923 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
924 pfile->buffer->inc are not NULL before dereferencing them.
926 * cpplex.c (parse_name): Take a pointer to the current token,
927 plus current position and limit as args; return the new
928 position; don't copy the text of a name into the string
929 buffer, instead call cpp_lookup and store the node pointer.
930 If extending a token, copy out the text of the old into a
931 scratch buffer, append the new, look that up and store the new
932 node pointer. Inline.
933 (maybe_paste_with_next): If the result of paste is a NAME,
934 then look up the pasted text and store its node pointer.
935 (lex_line): Adjust for new parse_name interface.
936 Check for L"str", L'str' using spec_nodes->n_L.
937 (spell_token): SPELL_IDENT tokens have their spelling in
938 val.node->name. Handle SPELL_STRING tokens that don't have
940 (_cpp_expand_name_space,
941 (can_paste): Check for L ## "str" using spec_nodes->n_L.
942 (cpp_get_token, special_symbol): No need to call cpp_lookup.
943 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
944 return 1=equal 0=not, not a tristate.
946 * cpphash.c (var_args_str): Delete.
947 (find_param): Compare node fields directly.
948 (is__va_args__): Use CPP_PEDANTIC. Just compare
949 token->val.node with spec_nodes->n__VA_ARGS__.
950 (dump_funlike_macro): Don't use var_args_str.
952 * cpplib.c (_cpp_check_directive): Just walk through
953 spec_nodes->dirs comparing pointers.
954 (get_define_node, do_pragma_poison, detect_if_not_defined,
955 parse_ifdef): The identifier has already been looked up.
956 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
958 (do_if): Only call detect_if_not_defined at beginning of file.
959 (_cpp_parse_assertion): Only copy string pointers for
961 (pragma_dispatch): Take a node pointer and examine its name
963 (_cpp_init_stacks): Also initialize the spec_nodes structure.
965 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
967 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
968 reverse order from the corresponding _cpp_init_* routines.
970 * cppexp.c (parse_number, parse_charconst, parse_defined,
971 lex): Check val.node->type instead of calling cpp_defined.
972 Use spec_nodes entries where appropriate.
974 * fix-header.c, scan-decls.c: Update for interface changes.
976 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
978 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
979 emitting aux_truncdfsf2.
981 2000-07-03 Donn Terry (donnte@microsoft.com)
983 * cppinit.c (print_help): split overlong line into ISO C89
986 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
988 * cppexp.c: Update all code for new lexer interface.
989 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
990 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
991 * cpplex.c (token_names): Trim leading CPP_ from names; make
992 the strings unsigned.
993 (_cpp_spell_operator): New.
994 (is_macro_disabled): Disable all macros if rescanning
996 (_cpp_get_directive_token): Remove.
998 * cppinit.c: Don't set no_macro_expand.
999 * cpplib.c (read_line_number, do_line): Check only for EOF,
1001 * cpphash.h: Update prototypes.
1002 * cpplib.h (CPP_VSPACE): Remove.
1003 (struct cpp_reader): Remove no_macro_expand.
1005 2000-07-08 Neil Booth <NeilB@earthling.net>
1007 * cpphash.c (is__va_args__): New function.
1008 (count_params): Fix line reported in error messages. Use
1009 is__va_args__. Don't return ')' on error. Flag GNU style
1010 rest args macro definitions.
1011 (parse_define): Check macro name is not __VA_ARGS__.
1012 (save_expansion): Check identifier in non-varargs-macro is
1013 not __VA_ARGS__. Don't flag GNU_VARARGS.
1014 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1015 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1016 than per-token GNU_VARARGS.
1017 * cpplib.h (GNU_VARARGS): Remove.
1018 (GNU_REST_ARGS): New.
1020 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1022 * i386.md (call_pop, call, call_value_pop): Do not set
1023 current_function_uses_pic_offset_table for calls to static
1024 functions or indirect calls.
1026 2000-07-07 Jim Wilson <wilson@cygnus.com>
1028 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1029 is_predicate_reg, then take max write_count of register pair.
1031 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1033 * tradcpp.c (main): Rename label `include' to `add_include' to
1034 avoid conflicts with variable `include' in traditional C.
1036 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1038 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1040 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1042 * sibcall.c (uses_addressof): Add INMEM argument, check for
1043 current_function_internal_arg_pointer outside of MEM rtxs in addition
1045 (sequence_uses_addressof): Update caller.
1047 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1049 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1052 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1054 * system.h (UNION_INIT_ZERO): New macro for initializing union
1057 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1059 2000-07-07 Neil Booth <NeilB@earthling.net>
1063 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1065 * final.c (final): Detect out of bounds array access to
1066 the insn_lengths array.
1068 2000-07-07 Kazu Hirata <kazu@hxi.com>
1070 * fold-const.c (fold): Fix a comment typo.
1072 2000-07-07 Neil Booth <NeilB@earthling.net>
1074 * cpp.texi: Update to new lexer.
1076 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1078 * tradcpp.c: New file.
1079 * tradcif.y: New file.
1080 * tradcif.c: New generated file.
1082 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1083 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1084 dependencies of C. Install tradcpp from install-common, in
1087 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1089 * cppinit.c: Include cppdefault.h. Refer to
1090 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1091 to GCC_INCLUDE_DIR and its length.
1092 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1093 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1094 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1096 (include_defaults_array): Move to cppdefault.c.
1098 * cppdefault.h: New file.
1099 * cppdefault.c: New file.
1101 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1102 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1103 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1106 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1108 * reload.c (push_reload): When seeing if can reuse a register,
1109 check extra registers against widest of INMODE and OUTMODE.
1111 2000-07-06 Neil Booth <NeilB@earthling.net>
1113 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1114 based on full length of predicate.
1116 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1118 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1119 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1121 2000-07-05 Kazu Hirata <kazu@hxi.com>
1123 * h8300-proto.h: Fix formatting.
1124 * h8300.c: Likewise.
1125 * h8300.h: Likewise.
1127 2000-07-05 Jim Wilson <wilson@cygnus.com>
1129 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1132 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1134 * invoke.texi: Fix minor typos
1135 * md.texi: Fix minor typos
1137 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1139 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1141 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1143 * cpplex.c: Don't include sys/mman.h.
1144 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1146 * cpplib.c: Include sys/mman.h and obstack.h.
1147 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1149 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1150 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1151 bother freeing if stack entries (they will be freed with their buffer).
1152 (do_endif): Free if stack entries from the buffer obstack.
1153 (push_conditional): Allocate if stack entries from the buffer obstack.
1155 (find_answer): Rename to _cpp_find_answer.
1156 (do_assert, do_unassert): Update.
1158 * cpphash.h: Update prototypes.
1159 (xobnew): New convenience macro.
1160 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1162 (struct cpp_hashnode): Remove disabled field.
1164 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1165 (report_missing_guard): Moved to cppfiles.c.
1166 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1168 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1169 cpp_cleanup_includes. Don't destroy hashtab or
1170 all_include_files here.
1171 (cpp_finish): Use _cpp_report_missing_guards.
1173 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1174 (_cpp_init_include_table): Rename _cpp_init_includes.
1175 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1177 * cppexp.c (parse_assertion): Update for new name of
1180 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1182 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1184 * cpplib.c (do_ident): s/VSPACE/EOF/
1186 2000-07-05 Neil Booth <NeilB@earthling.net>
1188 * cpplex.c: Fix trigraph replacement within strings.
1190 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1192 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1194 * xcoffout.c (assign_type_number): Constify.
1195 (xcoffout_source_file): Add static prototype. Don't needlessly
1196 cast away const-ness.
1198 2000-07-04 Jason Merrill <jason@redhat.com>
1200 * frame.h (frame_state): Move base_offset to end.
1202 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1204 * calls.c (emit_library_call_value_1): Revert previous change.
1206 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1208 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1209 (recognized_extern, recognized_function, read_scan_file):
1210 Update for new scheme.
1211 (check_protection): It's still a multiple include guard even
1212 if it doesn't always trigger.
1213 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1215 * scan.h: Declare struct cpp_token. Update prototypes.
1217 2000-07-03 Neil Booth <neilb@earthling.net>
1218 Zack Weinberg <zack@wolery.cumb.org>
1220 Complete overhaul of the lexer and macro expander.
1222 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1223 arg, arglist, argdata, reflist, collect_objlike_expansion,
1224 collect_funlike_expansion, collect_params,
1225 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1226 unsafe_chars, macarg, compare_defs, special_symbol,
1227 scan_arguments, stringify, funlike_macroexpand,
1228 _cpp_quote_string, monthnames): Delete.
1229 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1230 _cpp_create_definition, _cpp_dump_definition,
1231 dump_hash_helper): Adjust.
1232 (find_param, count_params, parse_define, var_args_str,
1233 check_macro_redefinition, save_expansion): New.
1235 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1236 parse_string, output_line_command, trigraph_replace,
1237 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1238 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1239 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1240 _cpp_skip_rest_of_line): Modify.
1242 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1243 find_position, null_warning, bump_column, expand_name_space,
1244 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1245 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1246 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1247 _cpp_prescan): Delete.
1249 (dump_param_spelling, process_directive, lex_next,
1250 is_macro_disabled, stringify_arg, expand_context_stack,
1251 output_token, make_string_token, alloc_number_token,
1252 special_symbol, duplicate_token, maybe_paste_with_next,
1253 can_paste, prevent_macro_expansion, restore_macro_expansion,
1254 get_temp_token, release_temp_tokens, quote_string,
1255 token_names, token_spellings, _cpp_expand_name_space,
1256 _cpp_glue_header_name, _cpp_reserve_name_space,
1257 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1258 placemarker_token, eof_token, cpp_context, macro_args,
1259 get_raw_token, parse_arg, parse_args, save_token,
1260 push_arg_context, push_macro_context, pop_context,
1261 do_pop_context, free_macro_args, _cpp_get_line,
1262 _cpp_run_directive): New.
1264 * cpplib.c (validate_else, parse_include, push_conditional,
1265 pass_thru_directive, read_line_number, parse_ifdef,
1266 detect_if_not_defined, _cpp_check_directive, do_define,
1267 do_undef, do_include, do_import, do_include_next, do_error,
1268 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1269 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1270 do_pragma_poison, do_pragma_system_header,
1271 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1272 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1273 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1274 cpp_defined): Update for new scheme.
1275 (strtoul_for_line, get_define_node, dump_macro_name,
1276 _cpp_check_linemarker, _cpp_parse_assertion): New.
1277 (_cpp_handle_directive, do_pragma_default): Delete.
1279 * cpphash.h (struct predicate): Now struct answer.
1280 (enum spell_type, struct token_spelling, struct directive,
1281 directive_handler): New.
1282 Update prototypes. Remove unused macros.
1283 * cpplib.h: Update prototypes. Remove unused macros,
1284 structure definitions, and fields.
1286 * cpperror.c (print_containing_files, v_message): Adjust.
1287 * cppexp.c (parse_assertion, lex, parse_escape,
1288 _cpp_parse_expr): Adjust.
1289 * cppfiles.c (open_include_file, _cpp_execute_include,
1290 _cpp_compare_file_date, cpp_read_file, read_include_file):
1292 * cppinit.c (dump_special_to_buffer): Delete.
1293 (append_include_chain, merge_include_chains, cpp_reader_init,
1294 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1295 cpp_finish, handle_option, print_help): Adjust.
1296 * cppmain.c (main): Adjust.
1298 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1300 * cppspec.c (lang_specific_driver): Use double quotes in error
1303 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1305 * calls.c (emit_library_call_value_1): Use valreg instead
1306 of hard_libcall_value.
1308 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1310 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1311 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1312 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1320 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1321 mode instead of wider_mode is being used.
1323 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1325 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1326 of 'r'. Use q_regs_operand.
1327 (andsi_1+2): Use q_regs_operand.
1329 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1331 * builtins.c (get_memory_rtx): Always put into alias set 0.
1333 2000-07-03 Nick Clifton <nickc@cygnus.com>
1335 * config/arm/arm.md: Fix post increment and pre increment
1336 peepholes so that they do not generate UNPREDICATBLE opcodes.
1337 (ie ones where the increment clobbers the source/destination).
1339 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1341 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1342 change too big for -mtiny-stack" a warning, if larger than 63.
1343 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1344 always safe to use on possible future devices.
1345 (function_prologue): Write SPH before SPL, for consistency.
1346 If interrupt_func_p true, we know we have enabled interrupts.
1347 (avr_num_arg_regs): New function. Round up to even number of
1348 bytes if no -mpack-args or if calling a libgcc function.
1349 (function_arg, function_arg_advance): Use it.
1350 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1351 Output "movw" if available.
1352 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1353 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1354 (asm_output_section_name): Add blanks for consistent output.
1355 (encode_section_info): Set TREE_READONLY for progmem data to
1356 avoid gas warnings about changed section attributes.
1357 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1358 even numbered registers on devices with "movw".
1359 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1360 (TARGET_SWITCHES): Mark help strings for translation.
1361 Add new -mpack-args and -menhanced switches.
1362 (TARGET_OPTIONS): Mark help strings for translation.
1363 (progmem_section): Add section attributes.
1364 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1365 Output "movw" if available.
1366 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1368 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1369 call convention (arguments aligned on even registers).
1370 (_cleanup, _exit): Make weak symbols libc can override.
1372 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1374 * fp-bit.h: New file.
1376 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1377 Comment #endif statements.
1378 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1380 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1382 * gcse.c (compute_pre_data): Compute ae_kill using other local
1383 properties instead of calling compute_ae_kill.
1385 * alias.c (init_alias_analysis): Do not call
1386 prologue_epilogue_contains until after reload has completed.
1388 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1390 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1391 (genrtl_finish_compound_stmt): Likewise.
1392 (genrtl_compound_stmt): Change to return void.
1394 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1395 move code from here to ...
1396 (genrtl_compound_stmt): ... here.
1397 (genrtl_finish_compound_stmt): Remove.
1398 (expand_stmt): Add comment.
1400 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1402 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1405 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1407 * cpplib.h (struct cpp_reader): New field include_depth.
1408 (struct cpp_printer): Rename last_bsd to last_id.
1409 * cppfiles.c (read_include_file): Bump include_depth.
1410 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1411 (output_line_command): Output correct #line if a header
1412 is including itself and is not protected against multiple inclusion.
1413 Use include_depth instead of buffer_stack_depth, last_id instead of
1415 * cppinit.c (cpp_start_read): Initialize last_id instead of
1418 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1420 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1421 (c-semantics.o): New target.
1423 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1424 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1425 (genrtl_clear_out_block): Likewise.
1426 (genrtl_goto_stmt): Likewise.
1427 (genrtl_expr_stmt): Likewise.
1428 (genrtl_decl_stmt): Likewise.
1429 (genrtl_if_stmt): Likewise.
1430 (genrtl_while_stmt): Likewise.
1431 (genrtl_do_stmt): Likewise.
1432 (genrtl_return_stmt): Likewise.
1433 (genrtl_for_stmt): Likewise.
1434 (genrtl_break_stmt): Likewise.
1435 (genrtl_continue_stmt): Likewise.
1436 (genrtl_scope_stmt): Likewise.
1437 (genrtl_switch_stmt): Likewise.
1438 (genrtl_case_label): Likewise.
1439 (genrtl_begin_compound_stmt): Likewise.
1440 (gerntl_finish_compound_stmt): Likewise.
1441 (genrtl_compound_stmt): Likewise.
1442 (genrtl_asm_stmt): Likewise.
1443 (genrtl_decl_cleanup): Likewise.
1444 (DECL_ANON_UNION_ELEMS): Likewise.
1445 (emit_local_var): Likewise.
1446 (make_rtl_for_local_static): Likewise.
1447 (expand_cond): Likewise.
1448 (expand_stmt): Likewise.
1449 (c_expand_return): Likewise.
1450 (c_expand_start_case): Likewise.
1451 (do_case): Likewise.
1452 (COMPOUND_STMT_NO_SCOPE): Likewise.
1453 (c_expand_asm_operands): Likewise.
1454 (NEW_FOR_SCOPE_P): New macro.
1455 (expand_expr_stmt_fn): New type.
1457 (set_current_function_name_declared): Likewise.
1458 (current_function_name_declared): Likewise.
1459 (lang_expand_stmt): Likewise.
1460 (stmts_are_full_exprs_p): Likewise.
1461 (anon_aggr_type_p): Likewise.
1462 (lang_expand_expr_stmt): Likewise.
1463 (build_case_label): Likewise.
1465 * c-decl.c (lang_expand_expr_stmt): Initialize.
1466 (stmts_are_full_exprs_p): Define.
1467 (current_function_name_declared): Likewise.
1468 (do_case): Likewise.
1469 (lang_expand_stmt): Likewise.
1470 (set_current_function_name_declared): Likewise.
1471 (anon_aggr_type_p): Likewise.
1473 * c-semantics.c: New file.
1474 (expand_cond): Moved from cp/semantics.c.
1475 (genrtl_do_pushlevel): Likewise.
1476 (genrtl_clear_out_block): Likewise.
1477 (genrtl_goto_stmt): Likewise.
1478 (genrtl_expr_stmt): Likewise.
1479 (genrtl_decl_stmt): Likewise.
1480 (genrtl_if_stmt): Likewise.
1481 (genrtl_while_stmt): Likewise.
1482 (genrtl_do_stmt): Likewise.
1483 (genrtl_return_stmt): Likewise.
1484 (genrtl_for_stmt): Likewise.
1485 (genrtl_break_stmt): Likewise.
1486 (genrtl_continue_stmt): Likewise.
1487 (genrtl_scope_stmt): Likewise.
1488 (genrtl_switch_stmt): Likewise.
1489 (genrtl_case_label): Likewise.
1490 (genrtl_begin_compound_stmt): Likewise.
1491 (genrtl_finish_compound_stmt): Likewise.
1492 (genrtl_compound_stmt): Likewise.
1493 (genrtl_asm_stmt): Likewise.
1494 (genrtl_decl_cleanup): Likewise.
1495 (make_rtl_for_local_static): Moved from cp/decl.c.
1496 (emit_local_var): Likewise.
1497 (expand_stmt): Define.
1499 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1500 (c_expand_return): Likewise.
1501 (c_expand_start_case): Likewise.
1503 2000-07-01 Richard Henderson <rth@cygnus.com>
1505 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1506 with the low 13 bits set.
1507 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1508 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1509 of the low 13 bits into a CONST plus an adddi3.
1510 (load_symptr): Set RTX_UNCHANGING_P.
1512 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1514 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1515 * c-common.c (ridpointers): Declare.
1516 * c-common.h (enum rid): Declare.
1518 (ridpointers): Likewise.
1519 * c-lex.c (ridpointers): Don't declare.
1520 (init_lex): Initialize ridpointers.
1521 * c-lex.h (enum rid): Don't declare.
1523 (RID_FIRST_MODIFIER): Likewise.
1524 (ridpointers): Likewise.
1526 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1528 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1531 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1533 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1536 2000-06-30 Catherine Moore <clm@cygnus.com>
1538 * c-common.c (decl_attributes): Differentiate between
1539 types and type decls for alignment.
1541 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1543 * cpp.texi: Document #pragma GCC dependency
1544 * cppfiles.c (open_include_file): Set date to unknown.
1545 (_cpp_compare_file_date): New function.
1546 (read_include_file): Set file date.
1547 * cpphash.h (struct include_file): Add date member.
1548 (_cpp_compare_file_date): Prototype.
1549 * cpplib.c (parse_include): Add trail parameter. Adjust.
1550 (do_include): Adjust parse_include call.
1551 (do_import): Likewise.
1552 (do_include_next): Likewise.
1553 (gcc_pragmas): Add dependency pragma.
1554 (do_pragma_dependancy): New pragma.
1556 2000-06-29 Jason Merrill <jason@redhat.com>
1558 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1561 2000-06-29 Jim Wilson <wilson@cygnus.com>
1563 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1564 a volatile mem and FR_REGS.
1566 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1568 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1569 * c-common.h (flag_const_strings): Declare.
1570 (warn_format): Likewise.
1571 (flag_traditional): Likewise.
1572 (flag_isoc99): Likewise.
1573 (warn_parentheses): Likewise.
1574 (warn_conversion): Likewise.
1575 (C_TYPE_OBJECT_P): Likewise.
1576 (C_TYPE_INCOMPLETE_P): Likewise.
1577 (C_TYPE_FUNCTION_P): Likewise.
1578 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1579 (C_EXP_ORIGINAL_CODE): Likewise.
1580 (build_unary_op): Likewise.
1581 (build_binary_op): Likewise.
1582 (lvalue_p): Likewise.
1583 (default_conversion): Likewise.
1584 (common_type): Likewise.
1585 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1586 (C_TYPE_INCOMPLETE_P): Likewise.
1587 (C_TYPE_FUNCTION_P): Likewise.
1588 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1589 (C_EXP_ORIGINAL_CODE): Likewise.
1590 (common_type): Likewise.
1591 (default_conversion): Likewise.
1592 (build_binary_op): Likewise.
1593 (build_unary_op): Likewise.
1594 (lvalue_p): Likewise.
1595 (flag_const_strings): Likewise.
1596 (warn_format): Likewise.
1597 (warn_conversion): Likewise.
1598 (flag_traditional): Likewise.
1599 (flag_isoc99): Likewise.
1600 (warn_parentheses): Likewise.
1602 2000-06-29 James E. Wilson <wilson@cygnus.com>
1604 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1606 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1607 same. Only tie XFmode with XFmode.
1609 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1611 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1612 * Makefile.in: Update deps.
1614 2000-06-29 Andrew Haley <aph@cygnus.com>
1616 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1619 2000-06-29 Andrew Haley <aph@cygnus.com>
1621 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1622 bytes: remove the multiply by 8.
1624 2000-06-29 Philipp Thomas <pthomas@suse.de>
1626 * rtl.c : Revert NLS changes.
1627 * gcc.c : Fix bug in display_help introced by my last changes.
1629 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1631 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1632 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1634 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1636 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1638 2000-06-28 Philipp Thomas <pthomas@suse.de>
1640 * c-decl.c : Mark strings for translation.
1641 (parmlist_tags_warning): Use distinct messages instead
1642 of conditional expressions.
1643 * diagnostic.c (v_message_with_decl): Mark string for translation.
1644 * gcc.c: Mark messages for translation.
1645 (display_help): Combine messages into one string where necessary.
1646 * mips-tfile: Add intl.h. Mark messages for translation.
1647 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1648 messages for translation.
1649 * timevar.c: Mark messages for translation.
1650 * tlink.c: Likewise.
1651 * toplev.c: Likewise.
1653 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1655 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1657 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1658 use -isystem instead of -idirafter.
1659 * i386/i386-interix.h: Likewise.
1661 2000-06-28 Jason Merrill <jason@redhat.com>
1663 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1664 unless DWARF2_DEBUGGING_INFO is defined.
1665 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1667 2000-06-28 Richard Henderson <rth@cygnus.com>
1669 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1671 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1673 * cpplex.c (output_line_command): Output correct #line if a header
1674 is including itself and is not protected against multiple inclusion.
1676 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1678 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1679 ENFILE, close all cached file descriptors and try again.
1680 (_cpp_execute_include): Keep a count of the number of times
1681 each header is included.
1682 (close_cached_fd): New function.
1683 * cpphash.h (struct include_file): Rename before to
1684 include_count; all users updated. Make include_count and sysp
1686 * cppinit.c (cpp_finish): If -H, report headers that could use
1688 (report_missing_guard): New function.
1690 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1692 * i386.md (prologue_set_got): Set length_immediate field.
1693 (testqi_ccno_1): Add missing '@' character.
1695 2000-06-27 Jason Merrill <jason@redhat.com>
1697 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1700 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1702 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1703 unsigned macros available.
1705 2000-06-27 Richard Henderson <rth@cygnus.com>
1707 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1708 epilogue_deallocate_stack.
1710 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1711 completers for UNORDERED and ORDERED as well.
1712 * config/ia64/ia64.md (bunordered, bordered): New.
1713 (sunordered, sordered): New.
1715 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1717 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1718 * i386.c (ix86_attr_length_default): Kill.
1719 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1721 * i386-protos.h (ix86_attr_length_default): Kill
1722 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1724 * i386.md (attribute type): Add "test".
1725 (attribute length_prefix): Kill.
1726 (attribute length_opcode): Kill.
1727 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1728 prefix_rep, prefix_0f, modrm): New.
1729 (attribute length): Compute using the new attributes.
1730 (attribute pent_prefix): New.
1731 (attribute pent_pair): Compute using pent_prefix.
1732 (all insn patterns): Set mode,modrm and immediate_length attributes where
1734 (cmpsi patterns): Compute sizes propertly for test instruction.
1735 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1736 (movstricthi_xor, movstrictqi_xor): New patterns.
1737 (andsi/andhi): Use splitters to generate xor instructions.
1738 (xorqi_ext_1): New pattern.
1739 (movstricthi->movstricthi_xor peep2): New.
1741 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1743 * i386.md (addqi_low_1): Remove.
1745 2000-06-27 Philipp Thomas <pthomas@suse.de>
1747 * 1750a.h: Mark help strings for options/switches for translation.
1749 * alpha.h: Likewise.
1752 * riscix.h: Likewise.
1754 * clipper.h: Likewise.
1755 * convex.h: Likewise.
1756 * elxsi.h: Likewise.
1759 * h8300.h: Likewise.
1761 * cygwin.h: Likewise.
1763 * djgpp.h: Likewise.
1765 * osf1elf.h: Likewise.
1766 * osfrose.h: Likewise.
1768 * win32.h: Likewise.
1770 * paragon.h: Likewise.
1774 * mcore.h: Likewise.
1776 * mn10300.h: Likewise.
1777 * ns32k.h: Likewise.
1778 * pdp11.h: Likewise.
1781 * aix41.h: Likewise.
1782 * aix43.h: Likewise.
1784 * rs6000.h: Likewise.
1785 * sysv4.h: Likewise.
1786 * linux.h: Likewise.
1787 * linux64.h: Likewise.
1788 * sp64-elf.h: Likewise.
1789 * sparc.h: Likewise.
1790 * splet.h: Likewise.
1792 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1794 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1795 Properly document option and mark for translation.
1796 * sp86x-elf.h: Likewise.
1798 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1800 Add MMX and SSE registers to i386 machine description.
1801 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1802 ix86_local_alignment): Declare.
1804 * i386.h (TARGET_MMX, TARGET_SSE): New.
1805 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1806 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1807 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1808 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1809 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1810 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1811 (RETURN_IN_MEMORY): Handle MMX/SSE.
1812 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1813 also get stack space.
1814 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1815 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1816 (MMX_REGISTER_NAMES): New.
1817 (ALIGN_MODE_128): New macro.
1818 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1819 (DATA_ALIGNMENT): Likewise.
1820 (LOCAL_ALIGNMENT): Likewise.
1821 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1822 TARGET_MMX/TARGET_SSE.
1823 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1824 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1825 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1826 SSE/MMX regs and something else.
1827 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1828 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1829 3 if moving between MMX regs and something else.
1831 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1832 (regclass_map): Add MMX/SSE registers.
1833 (print_operand): Add code to print XMMWORD as appropriate.
1834 (ix86_split_movdi): Abort for MMX regs.
1835 (init_cumulative_args): Also allow SSE_REGS
1836 (function_arg_advance, function_arg): Likewise
1837 (print_reg): Support 'm'. Add case for TImode.
1838 (override_options): TARGET_SSE implies TARGET_MMX.
1839 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1842 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1844 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1846 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1847 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1849 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1851 * ssa.c (struct rename_set_data): Change the name of field
1852 'set_dest' to 'old_reg'. Add comments.
1853 (struct rename_context): Change the name of 'set_data' to
1854 'new_renames'. Add new field 'done_renames'.
1855 (create_delayed_rename): New function.
1856 (apply_delayed_renames): New function.
1857 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1858 SUBREGs and similar by emitting a move.
1859 (new_registers_for_updates): Delete, functionality moved to
1860 apply_delayed_renames.
1861 (rename_block): Handle moves emitted by rename_insn_1 by putting
1862 them into a SEQUENCE with the original insn. Add sanity checks
1864 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1865 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1867 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1868 Jason Merrill <jason@redhat.com>
1870 * dwarf2.h (enum dwarf_call_frame_info): Add
1871 DW_CFA_def_cfa_expression.
1872 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1873 dw_loc_descr_struct entry.
1874 (struct cfa_loc): New structure to track a CFA location.
1875 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1876 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1877 offset, plus handle DW_CFA_def_cfa_expression.
1878 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1880 (dwarf2out_def_cfa): Entry point maintained for compatability.
1881 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1882 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1883 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1884 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1886 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1887 sequences for the new DW_CFA_def_cfa_expression record.
1888 (dwarf2out_frame_debug): Use new variables/fields.A
1889 (output_cfi): Handle DW_CFA_def_cfa_expression.
1890 (output_cfa_loc): New function to generate a CFI record for
1891 DW_CFA_def_cfa_expression.
1892 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1893 a dw_loc_descr sequeunce.
1894 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1895 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1896 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1897 unwind info section.
1898 * frame.h (frame_state): Add base_offset and indirect fields.
1899 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1900 dw_loc_descr operation.
1901 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1902 (struct frame_state): Add base offset and indirect fields.
1903 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1905 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1907 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1908 Make warnings about implicit int be pedwarns in C99. Don't warn
1909 about duplicate type qualifiers in C99.
1910 (start_function): Make warning about implict int return type be a
1912 * c-lex.c (yylex): Don't warn about `long long' in C99.
1913 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1914 `return' with no value in function returning non-void.
1916 2000-06-26 Richard Henderson <rth@cygnus.com>
1918 * c-typeck.c (pedwarn_c99): New.
1919 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1920 * toplev.h: Prototype them.
1922 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1924 * c-typeck.c (digest_init): Return error_mark_node node when
1925 TREE_TYPE (init) == error_mark_node.
1927 2000-06-26 Philipp Thomas <pthomas@suse.de>
1929 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1930 test for msgfmt without path instead.
1931 * configure: Rebuilt.
1933 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1935 * gengenrtl.c (special_rtx): Fix typo in comment.
1937 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1939 * mklibgcc.in (LIB2FUNCS): Add missing space.
1941 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1943 * tree.h (enum tree_index): Add vector type nodes.
1944 Add accessor macros for them.
1945 (TYPE_REPRESENATION_TYPE): New macro.
1946 * tree.c (build_common_tree_nodes_2): Build these nodes.
1947 (finish_vector_type): New function.
1948 * c-common.c (type_for_mode): Handle vector modes.
1949 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1951 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1952 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1953 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1954 (gen_type_die): Likewise.
1955 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1956 (fundamental_type_code): Likewise.
1957 (type_is_fundamental): VECTOR_TYPEs aren't.
1958 (output_type): Handle VECTOR_TYPEs.
1960 2000-06-25 Kazu Hirata <kazu@hxi.com>
1962 * config/arm.c: Fix a comment typo.
1963 * config/arm.h: Likewise.
1965 2000-06-25 Philipp Thomas <pthomas@suse.de>
1967 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1969 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1970 * configure: Rebuilt.
1972 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1974 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1976 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1978 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1981 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1983 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1985 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1987 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1989 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1991 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1992 last_unconditional_cleanup.
1994 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1996 * tree.def (VECTOR_TYPE): New node type.
1997 * tree.h: Adjust some comments to reflect addition of vector types.
1998 (TYPE_VECTOR_SUBPARTS): New macro.
1999 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2000 * c-convert.c (convert): Likewise.
2001 * convert.c (convert_to_integer): Handle vector modes.
2002 (convert_to_vector): New function.
2003 * convert.h (convert_to_vector): Declare.
2004 * expr.c (convert_move): Handle vector modes.
2005 * expmed.c (extract_bit_field): Don't abort for vector modes.
2007 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2009 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2010 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2011 New functions, common code moved from function_{prologue,epilogue}
2012 and extended to support the -mtiny-stack option.
2013 (function_prologue, function_epilogue): Use them.
2014 Use lo8/hi8 consistently for asm output readability.
2015 (avr_hard_regno_mode_ok): New function.
2016 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2017 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2018 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2019 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2020 Write SPH before SPL.
2021 (*movqi): No need to disable interrupts for just one "out"
2022 in alternative 5. Change length attribute from 4 to 1.
2023 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2024 Write SPH before SPL.
2026 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2028 * rtl.texi (Vector Operations): New node.
2029 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2030 (Conversions): Add ss_truncate, us_truncate.
2031 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2032 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2033 US_TRUNCATE): New rtx codes.
2034 * machmode.def: Add vector modes.
2035 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2037 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2038 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2039 (VECTOR_MODE_P): New.
2041 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2043 * cpp.texi: Clarify #pragma GCC namespace.
2045 2000-06-24 Philipp Thomas <pthomas@suse.de>
2047 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2048 all catalogs specified in ALL_LINGUAS.
2049 * configure: Rebuilt.
2051 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2053 * config/sparc/sparc.md (reload_outdi+1): Handle
2054 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2055 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2057 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2059 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2060 struct vs. scalar-ness when -fno-strict-aliasing.
2062 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2064 * cpplib.c (struct pragma_entry): New structure.
2065 (pragma_dispatch): Pragma dispatcher.
2066 (top_pragmas, gcc_pragmas): New static variables.
2067 (do_pragma): Use pragma_dispatch.
2068 (do_pragma_gcc): New pragma handler.
2071 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2073 * calls.c (compute_argument_addresses): Force stack slots into
2075 * expr.c (emit_push_insn): Force pushes into alias set 0.
2077 2000-06-23 Richard Henderson <rth@cygnus.com>
2079 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2080 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2082 2000-06-22 Jason Merrill <jason@redhat.com>
2084 * toplev.c (compile_file): Always call timevar_print.
2085 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2087 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2089 * varasm.c (constant_descriptor): Make contents unsigned char.
2090 (mark_const_hash_entry): Adjust.
2091 (const_hash): Just hash the code of unknown nodes.
2092 (compare_constant_1): Adjust for unsigned char.
2093 Use language specific expander on unknown nodes.
2094 (record_constant_1): Likewise.
2096 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2098 * cppfiles.c (cpp_make_system_header): New function.
2099 * cpplib.h: Prototype it.
2100 * cpplib.c (do_line, do_pragma_system_header): Use it.
2101 * fix-header.c (read_scan_file): Use it.
2103 * fix-header.c (check_macro_names): Cast second arg of
2104 cpp_defined to const unsigned char *.
2105 (read_scan_file): Make getchar_call const unsigned char.
2107 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2109 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2110 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2111 (destroy_include_file_node): New.
2112 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2113 Create a splay tree, not a hash table.
2114 (open_include_file): Look up the path in the include table,
2115 do the multiple include optimization here, etc.
2116 (cpp_included): Walk the path.
2117 (find_include_file): Just walk the path calling
2118 open_include_file, or call it directly for an absolute path.
2119 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2121 (read_include_file): Update for new scheme. Don't close the
2122 file unless reading fails.
2123 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2125 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2126 (struct include_file): New.
2127 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2129 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2132 * cppinit.c: Include splay-tree.h.
2133 (cpp_reader_init, cpp_cleanup): Update.
2135 * cpplib.h (struct cpp_buffer): Change ihash field to
2136 'struct include_file *inc'. Remove system_header_p.
2137 (struct cpp_reader): Change all_include_files to a
2138 struct splay_tree_s *.
2140 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2141 cpp_buffer->system_header_p.
2142 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2144 * Makefile.in (SPLAY_TREE_H): New macro.
2145 (cppfiles.o, cppinit.o): Update dependencies.
2147 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2149 * invoke.texi (g++): "g++" is not a script anymore.
2151 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2153 * function.c (round_down): Delete obsolete prototype.
2155 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2157 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2159 * configure.in: Use 'test a = b' not 'test a == b'.
2162 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2164 * Makefile.in: Remove all references to HOST_INTLLIBS.
2166 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2169 2000-06-20 Philipp Thomas <pthomas@suse.de>
2171 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2174 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2176 * Take REG_INC notes into account.
2178 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2180 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2181 (primary: IDENTIFIER): Just call build_external_ref.
2182 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2184 * c-lex.c (lastiddecl): Remove.
2185 (yylex): Replace all instances of lastiddecl with local
2188 * c-typeck.c (build_external_ref): New function. Treat decls
2189 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2190 Look up the decl from the id here. Call lookup_objc_ivar.
2191 * c-lang.c (lookup_objc_ivar): Stub.
2192 * objc/objc-act.c (lookup_objc_ivar): New function.
2194 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2195 * c-lex.h: Don't declare lastiddecl.
2197 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2199 * c-common.h (IF_COND): Added documentation.
2200 (THEN_CLAUSE): Likewise.
2201 (ELSE_CLAUSE): Likewise.
2202 (WHILE_COND): Likewise.
2203 (WHILE_BODY): Likewise.
2204 (DO_COND): Likewise.
2205 (DO_BODY): Likewise.
2206 (RETURN_EXPR): Likewise.
2207 (EXPR_STMT_EXPR): Likewise.
2208 (FOR_INIT_STMT): Likewise.
2209 (FOR_COND): Likewise.
2210 (FOR_EXPR): Likewise.
2211 (FOR_BODY): Likewise.
2212 (SWITCH_COND): Likewise.
2213 (SWITCH_BODY): Likewise.
2214 (CASE_LOW): Likewise.
2215 (CASE_HIGH): Likewise.
2216 (GOTO_DESTINATION): Likewise.
2217 (COMPOUND_BODY): Likewise.
2218 (ASM_CV_QUAL): Likewise.
2219 (ASM_STRING): Likewise.
2220 (ASM_OUTPUTS): Likewise.
2221 (ASM_INPUTS): Likewise.
2222 (ASM_CLOBBERS): Likewise.
2223 (DECL_STMT_DECL): Likewise.
2224 (STMT_EXPR_STMT): Likewise.
2225 (LABEL_STMT_LABEL): Likewise.
2227 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2228 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2229 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2230 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2232 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2234 * configure.in (--enable-checking): Update --help doc to reflect
2235 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2237 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2239 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2241 * function.c (put_var_into_stack): Don't reference DECL_ fields
2242 if input is a SAVE_EXPR.
2243 Use set_mem_attributes in COMPLEX case.
2245 2000-06-18 Richard Henderson <rth@cygnus.com>
2247 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2248 (ia64_file_start): Declare.
2249 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2250 (GR_REGNO_P): Likewise.
2251 * config/ia64/ia64.c: Many prototypes.
2252 (ia64_reg_numbers): Constify.
2253 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2254 (ia64_section_threshold): Make unsigned.
2255 (ia64_print_operand): Constify.
2256 (fix_range): Constify.
2257 (ia64_init_builtins): Don't compare signed vs unsigned.
2258 (ia64_expand_builtin): Likewise.
2260 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2261 (CONSTRAINT_OK_FOR_Q): New.
2262 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2263 (movsf_internal, movdf_internal): Likewise.
2264 (cmovdi_internal): Rewrite so that constraints and predicates match;
2266 (cmovsi_internal): Likewise.
2268 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2269 (ASM_FILE_START): New.
2270 * config/ia64/ia64.c (ia64_file_start): New.
2271 (rtx_needs_barrier): Handle pred.rel.mutex.
2272 (emit_predicate_relation_info): New.
2273 * config/ia64/ia64.md (pred_rel_mutex): New.
2274 * config/ia64/linux.h (ASM_SPEC): Define.
2275 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2277 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2278 filtering global register variables.
2280 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2282 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2284 2000-06-17 Michael Meissner <meissner@redhat.com>
2286 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2287 not present and there is a field after a '-'.
2289 2000-06-17 Bruce Korb <bkorb@gnu.org>
2291 * fixinc/check.tpl: finish the implementation of multiple tests
2293 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2294 (io_quotes_def): add a second test
2295 (various): reorder `files' so that "limits.h" is never first
2296 * fixinc/tests/base/*: update the testing output
2298 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2300 * gcc.texi: Remove reference to stupid.c.
2302 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2304 * c-common.c (c_tree_code_type): New array.
2305 (c_tree_code_length): Likewise.
2306 (c_tree_code_name): Likewise.
2307 (add_c_tree_codes): New function.
2309 * c-common.h (add_c_tree_codes): Declare.
2310 (enum c_tree_code): New enum.
2312 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2314 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2316 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2317 select pattern to also match macro defs with only one argument.
2319 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2321 * i386.md: Create new [right,left] rotate and right shift
2322 patterns to optimize shift by 1 bit for certain ia32 processors.
2323 Update patterns which perform left shifts to optimize shift by
2324 1 bit for certain ia32 processors.
2325 * i386.c (const_int_1_operand): New predicate.
2326 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2327 * i386-protos.h (const_int_1_operand): Prototype.
2329 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2331 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2333 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2335 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2338 2000-06-14 Richard Henderson <rth@cygnus.com>
2340 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2342 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2345 * print-rtl.c (print_rtx): Emit space before mem alias set.
2347 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2349 * rs6000.c (expand_block_move): Fix typo in earlier change.
2350 (print_operand): Remove unused variables neg and op.
2351 (toc_hash_mark_entry): Fix prototype.
2353 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2355 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2356 (THEN_CLAUSE): Likewise.
2357 (ELSE_CLAUSE): Likewise.
2358 (WHILE_COND): Likewise.
2359 (WHILE_BODY): Likewise.
2360 (DO_COND): Likewise.
2361 (DO_BODY): Likewise.
2362 (RETURN_EXPR): Likewise.
2363 (EXPR_STMT_EXPR): Likewise.
2364 (FOR_INIT_STMT): Likewise.
2365 (FOR_COND): Likewise.
2366 (FOR_EXPR): Likewise.
2367 (FOR_BODY): Likewise.
2368 (SWITCH_COND): Likewise.
2369 (SWITCH_BODY): Likewise.
2370 (CASE_LOW): Likewise.
2371 (CASE_HIGH): Likewise.
2372 (GOTO_DESTINATION): Likewise.
2373 (COMPOUND_BODY): Likewise.
2374 (ASM_CV_QUAL): Likewise.
2375 (ASM_STRING): Likewise.
2376 (ASM_OUTPUTS): Likewise.
2377 (ASM_INPUTS): Likewise.
2378 (ASM_CLOBBERS): Likewise.
2379 (DECL_STMT_DECL): Likewise.
2380 (STMT_EXPR_STMT): Likewise.
2381 (LABEL_STMT_LABEL): Likewise.
2382 (SCOPE_BEGIN_P): Likewise.
2383 (SCOPE_END_P): Likewise.
2384 (SCOPE_STMT_BLOCK): Likewise.
2385 (SCOPE_NULLIFIED_P): Likewise.
2386 (SCOPE_NO_CLEANUPS_P): Likewise.
2387 (SCOPE_PARTIAL_P): Likewise.
2388 (ASM_VOLATILE_P): Likewise.
2389 (STMT_LINENO): Likewise.
2390 (STMT_LINENO_FOR_FN_P): Likewise.
2392 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2393 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2394 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2395 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2396 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2398 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2400 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2402 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2403 writable in parts of the GCC code.
2405 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2406 specification match cast.
2408 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2410 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2411 * configure, config.in: Rebuilt.
2412 * sys-protos.h: Similarly.
2414 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2416 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2417 * basic-block.h (EDGE_COMPLEX): ... here.
2419 * loop.c (check_dbra_loop): Specify the register when
2420 generating REG_NONNEG notes and don't generate duplicates.
2422 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2424 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2425 (struct tree_type, struct tree_decl): Add user_align member.
2426 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2427 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2428 and DECL_USER_ALIGN 0, cap alignment to this value.
2429 (place_field): Likewise.
2430 (finalize_type_size): Set TYPE_USER_ALIGN.
2431 (layout_type): Likewise.
2432 (initialize_sizetypes): Likewise.
2433 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2434 DECL_USER_ALIGN to 1.
2435 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2436 (xfer_tag): Set TYPE_USER_ALIGN.
2437 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2438 (finish_enum): Likewise.
2439 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2440 (expand_anon_union_decl): Likewise.
2441 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2442 (build_index_type): Set TYPE_USER_ALIGN.
2443 (build_range_type): Likewise.
2444 (build_common_tree_nodes_2): Likewise.
2445 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2447 2000-06-13 Andreas Jaeger <aj@suse.de>
2449 * configure.in: Use --enable-checking=misc,tree,gc by default if
2450 no --enable-checking option is given and for
2451 --enable-checking=yes.
2452 * configure: Rebuilt.
2454 2000-06-13 Richard Henderson <rth@cygnus.com>
2456 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2457 (__throw): Don't pass the address of a label.
2459 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2460 current_function_is_leaf.
2461 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2462 instead of reg_names[RETURN_ADDRESS_REGNUM].
2463 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2464 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2465 from RETURN_ADDRESS_REGNUM. Update all uses.
2466 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2467 zero instead of null on failure.
2468 (ELIMINABLE_REGS): Add ra->b0 elimination.
2469 (CAN_ELIMINATE): Update accordingly.
2470 (INITIAL_ELIMINATION_OFFSET): Likewise.
2471 (REGISTER_NAMES): Use an illegal assembler name for
2472 RETURN_ADDRESS_POINTER_REGNUM.
2474 2000-06-13 Richard Henderson <rth@cygnus.com>
2476 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2477 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2478 (REG_CLASS_NAMES): Likewise.
2479 (REG_CLASS_CONTENTS): Likewise.
2480 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2481 (HARD_REGNO_MODE_OK): Remove references to them.
2482 (REGNO_REG_CLASS): Likewise.
2483 (REG_CLASS_FROM_LETTER): Likewise.
2484 (CLASS_MAX_NREGS): Likewise.
2485 (REGISTER_MOVE_COST): Likewise.
2486 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2487 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2488 (movqi_internal): Special case moves from zero.
2489 (movhi_internal, movsi_internal): Likewise.
2490 (movdi_internal): Likewise. Fill out "f" constraints.
2491 (movsf_internal): Fill out "r" constraints.
2492 (movdf_internal): Likewise.
2494 2000-06-13 Richard Henderson <rth@cygnus.com>
2496 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2497 alive before reload.
2499 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2500 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2501 (remove_dependence): Always define.
2502 (set_sched_group_p): New.
2503 (sched_analyze_2): Use it.
2504 (sched_analyze_insn): Don't special-case naked uses. Look for
2505 and extend in_post_call_group_p.
2506 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2507 (init_deps): Clear in_post_call_group_p.
2509 2000-06-13 Richard Henderson <rth@cygnus.com>
2511 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2512 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2513 and hard-coded tests.
2514 (simplify_set): Likewise.
2515 (gen_lowpart_for_combine): Likewise.
2516 * emit-rtl.c (gen_lowpart_common): Likewise.
2517 * global.c (find_reg): Likewise.
2518 * local-alloc.c (find_free_reg): Likewise.
2519 * recog.c (register_operand): Likewise.
2520 * regclass.c (init_reg_sets_1): Likewise.
2521 (record_operand_costs, regclass): Likewise.
2522 * reload.c (push_reload): Likewise.
2523 * reload1.c (choose_reload_regs): Likewise.
2524 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2525 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2526 Update all references.
2527 * regs.h (struct reg_info_def): Likewise.
2528 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2529 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2530 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2532 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2533 (CLASS_CANNOT_CHANGE_MODE_P): New.
2534 * config/mips/mips.h: Likewise.
2535 * config/pa/pa32-regs.h: Likewise.
2536 * config/pa/pa64-regs.h: Likewise.
2537 * config/rs6000/rs6000.h: Likewise.
2538 * config/sh/sh.h: Likewise.
2539 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2540 (CLASS_CANNOT_CHANGE_MODE_P): New.
2541 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2542 * config/d30v/d30v.h: Likewise.
2544 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2546 * configure.in: Add AC_TYPE_GETGROUPS test.
2547 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2548 * configure: Rebuilt.
2549 * config.in: Rebuilt.
2551 2000-06-13 Richard Henderson <rth@cygnus.com>
2553 * explow.c (set_mem_attributes): Do nothing for NULL type.
2555 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2557 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2560 2000-06-13 James E. Wilson <wilson@cygnus.com>
2562 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2564 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2566 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2568 2000-06-13 Philipp Thomas <pthomas@suse.de>
2570 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2571 * configure: Rebuilt.
2573 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2575 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2576 We now default to ELF for the i386, and a.out is the special case.
2577 * configure: Rebuilt.
2579 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2581 * final.c (final_scan_insn): Delete notes between cc0 setter and
2582 user when restarting from setter.
2584 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2586 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2587 cast to squelch signed/unsigned warnings.
2589 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2591 * cpplib.c (handle_directive): Print non-NUL-terminated string
2594 2000-06-12 Michael Meissner <meissner@redhat.com>
2596 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2597 path if the machine needs extra support to do conditional
2600 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2602 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2603 to print the alias set.
2604 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2606 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2608 * config/float-vax.h: Add GFLOAT defines.
2610 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2612 * configure.in: Update tm dependencies for MPE.
2613 * configure: Rebuilt.
2615 2000-06-12 H.J. Lu <hjl@gnu.org>
2617 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2619 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2621 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2622 (CPP_SPEC): Change mthreads to pthread.
2623 (LIB_SPEC): Likewise.
2624 (STARTFILE_SPEC): Likewise.
2625 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2626 (CPP_SPEC): Change mthreads to pthread.
2627 (LIB_SPEC): Likewise.
2628 (STARTFILE_SPEC): Likewise.
2629 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2630 * rs6000.c (reg_or_arith_cint_operand): New.
2631 (num_insns_constant_wide): Decorate unsigned constant.
2632 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2633 * rs6000.md (addsi3): Use new predicate.
2634 (subsi3, adddi3, subdi3): Likewise.
2636 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2638 * c-common.c (lang_get_alias_set): Fix typo.
2640 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2642 * flow.c (mark_used_regs): Revert last change.
2643 (life_analysis): Remove PROP_AUTOINC if running after reload.
2644 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2646 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2648 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2651 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2653 * bb-reorder.c (build_scope_forest): Initialize variable
2656 * calls.c (expand_call): Likewise for variables
2657 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2659 * i386.c (function_arg_advance, function_arg): Cast to avoid
2660 signed/unsigned warnings.
2662 * i386.h (MEMORY_MOVE_COST): Likewise.
2664 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2665 `else_start' and `else_end'.
2667 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2669 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2671 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2673 * Makefile.in (libintl.a): Depend on intl.all.
2675 2000-06-09 H.J. Lu (hjl@gnu.org)
2677 * Makefile.in (c-parse.o): Also depend on output.h.
2679 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2681 * mcore-protos.h: discards const warning removal.
2682 * mcore.c: discards const warning removal.
2684 2000-06-09 Kazu Hirata <kazu@hxi.com>
2686 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2687 the beginning of the file.
2689 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2691 * real.h: Add prototype for ldexp.
2693 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2695 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2696 it ggc_alloc, drop second argument, never clear returned memory.
2697 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2698 (ggc_alloc_cleared): New.
2699 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2700 ggc_alloc_obj. Remove ggc_alloc macro.
2701 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2703 * rtl.c (rtvec_alloc): Clear the vector always.
2704 (rtx_alloc): Clear the first word always. Remove dirty
2705 obstack tricks (this routine is no longer a bottleneck).
2706 * tree.c (make_node): Clear the new node always.
2707 (make_tree_vec): Likewise.
2708 (tree_cons): Clear the common structure always.
2709 (build1): Likewise; also, clear TREE_COMPLEXITY.
2710 * gengenrtl.c: Use puts wherever possible. Remove extra
2712 (gendef): Clear the first word of an RTX in the generator
2713 function, irrespective of ggc_p. Initialize '0' slots to
2715 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2716 thin wrapper macro around obstack_alloc.
2718 * stmt.c (expand_fixup): Use ggc_alloc.
2719 * c-typeck.c (add_pending_init): Use ggc_alloc.
2720 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2721 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2722 const0_rtx when it is created.
2723 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2724 we are not in a function.
2726 * tree.c (tree_class_check_failed): Make second arg an int.
2727 * tree.h: Update prototype.
2729 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2731 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2732 of an error_mark_node.
2734 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2736 * config/avr/avr.c (asm_output_section_name): bugfix.
2738 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2740 * timevar.def: Add TV_EXPAND.
2741 * timevar.c (timevar_print): Update timing information.
2742 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2744 * stmt.c (expand_return): Check for error_mark_node.
2746 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2748 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2750 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2751 variable against filename expansion when it contains "char *".
2753 * system.h (SSIZE_MAX): Delete backup definition.
2755 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2756 instead of SSIZE_MAX.
2758 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2760 * configure.in: Check whether gas supports -relax.
2761 * configure, config.in: Rebuilt.
2762 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2763 (EXTRA_SPECS): Add asm_relax.
2764 (ASM_SPEC): Add %(asm_relax).
2765 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2766 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2767 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2768 (ASM_SPEC): Add %(asm_relax).
2769 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2770 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2771 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2772 instead of mov, so that gas can further optimize it.
2774 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2776 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2778 (value_format, case dw_val_class_const): Use sdata format.
2779 (output_die): Call output_sleb128.
2781 2000-06-08 James E. Wilson <wilson@cygnus.com>
2783 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2784 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2785 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2786 (output_die, case dw_val_class_unsigned_const): Correct call to
2787 ASM_OUTPUT_DWARF_DATA8.
2788 (output_die, case dw_val_class_long_long): Use
2789 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2790 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2793 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2794 (output_function_prologue): Fix mispelling.
2795 (output_function_prologue, output_function_epilogue): Reorder to
2796 match ia64.c definition order.
2797 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2798 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2799 Use r3 instead of r2 for large stack restores.
2800 (ia64_output_end_prologue): New function.
2801 (process_set): Emit ".restore sp" for epilogue stack restores.
2802 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2804 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2806 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2809 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2811 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2813 2000-06-08 Denis Perchine <dyp@perchine.com>
2815 * frame.c (start_fde_sort): Don't malloc (0).
2817 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2819 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2821 * print-tree.c (print_node): The transparent_union_flag means
2822 different things for unions and arrays. Do not inspect it
2823 with TYPE_TRANSPARENT_UNION.
2825 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2827 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2830 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2832 * config/avr/avr.c (asm_output_section_name): output section
2834 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2836 2000-06-06 James E. Wilson <wilson@cygnus.com>
2838 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2839 fields into header field.
2840 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2841 macros to access length, flags, and version info from header field.
2842 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2843 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2844 (__do_global_ctors_aux): Fix caller.
2845 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2846 prologue_flag to header. Pass to read_P_record.
2847 (read_P_record): New argument header. Implement P4 format.
2848 Multiply P7_T_SIZE by 16.
2849 (execute_one_ia64_descriptor): New static local region_header. Pass to
2850 get_unwind_record. Copy r to region_header if r is a header record.
2851 (print_all_records): Likewise.
2852 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2853 (__get_personality, __get_except_table): Likewise.
2854 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2856 2000-06-06 Philipp Thomas <pthomas@suse.de>
2858 * configure.in (AC_C_INLINE): Added.
2859 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2860 * configure: Regenerate.
2862 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2864 * c-common.h (c_language_kind): New type.
2865 (c_language): New variab.e
2866 * c-common.c (lang_get_alias_set): Don't put structures in
2867 non-zero alias sets in C++.
2868 * c-decl.c (c_language): Define it.
2869 * c-lex.c (doing_objc_thang): Remove.
2870 * c-tree.h (doing_objc_thang): Make it a macro.
2871 * objc/objc-act.c (lang_decode_option): Set c_language, not
2874 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2876 * diagnostic.c (output_maximum_width): Remove.
2877 (doing_line_wrapping): Tweak.
2878 (diagnostic_buffer): New object.
2879 (global_output_buffer): New object.
2880 (output_destroy_prefix): New function.
2881 (default_initialize_buffer): Likewise.
2882 (reshape_diagnostic_buffer): Likewise.
2883 (initialize_diagnostics): Likewise.
2884 (output_clear): Tweak.
2885 (line_wrapper_printf): Adjust call to init_output_buffer.
2886 (vline_wrapper_message_with_location): Likewise. Use
2887 output_destroy_prefix.
2888 (v_message_with_decl): Likewise.
2890 * diagnostic.h (struct output_buffer): Constify prefix.
2891 (init_output_buffer, output_get_prefix): Constify.
2892 (diagnostic_message_length_per_line): Likewise.
2893 (reshape_diagnostic_buffer): Declare.
2894 (default_initialize_buffer): Declare.
2895 (initialize_diagnostics): Declare.
2896 (diagnostic_buffer): Declare new obbject.
2898 * toplev.c: #include diagnostic.h
2899 (display_help): Document diagnostic formatting options.
2900 (decode_f_option): Handle diagnostic formatting options.
2901 (main): Setup initialization for diagnostic messages outputter.
2903 * toplev.h (set_message_length): Remove.
2905 * Makefile.in (toplev.o): Depends upon diagnostic.h
2907 * invoke.texi : Document diagnostics formatting options.
2909 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2911 * configure.in (Make the links): Typo fix : the file that must be
2912 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2913 * configure: File rebuilt.
2915 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2917 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2918 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2920 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2921 emergency eh_context buffer, if malloc fails.
2922 (__eh_free): Moved from cp/exception.cc. Release to emergency
2923 eh_context buffer, if appropriate.
2925 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2927 * expr.c (store_expr): Fix typo.
2929 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2931 * m68k.c (legitimize_pic_address): Move prototype ...
2933 * m68k-protos.h (legitimize_pic_address): ... here.
2935 * m68k.md (legitimize_pic_address): Delete prototypes.
2936 (untyped_call): Invoke GEN_CALL(), not gen_call().
2938 * nextstep.c: Include system.h and toplev.h.
2939 (get_directive_line): Don't prototype.
2940 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2942 * nextstep.h (handle_pragma): Prototype.
2943 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2944 objc_section_init ...
2945 (EXTRA_SECTION_FUNCTIONS): ... here.
2947 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2949 * sdbout.c (struct sdb_file): NAME now const.
2950 (sdbout_init): input_file_name now const.
2951 (sdbout_start_new_source_file): FILENAME now const.
2952 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2954 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2956 * c-typeck.c (build_conditional_expr): Handle complex data types.
2958 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2960 * explow.c (maybe_set_unchanging): New function, broken out from...
2961 (set_mem_attributes): Here.
2962 * expr.h: Declare it.
2963 * stmt.c (expand_decl): Call it.
2965 2000-06-05 Richard Henderson <rth@cygnus.com>
2967 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2968 while looking for a register to inherit from.
2970 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2972 * Makefile.in (libgcc.ready): Lose.
2973 (libgcc.mk): Just use mv, not move-if-change.
2974 (LIBGCC_DEPS): New macro.
2976 (stmp-multilib): Likewise.
2977 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2978 it rather than the directories themselves.
2979 (LIB2ADD): Depend on the list file rather than 'force'.
2981 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2982 cv-qualified versions of types.
2984 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2986 * config/sparc/sparc.c (short_branch): Correct error in range
2989 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2991 * fixinc/inclhack.def: New include hacks for ultrix.
2992 * (nested_ultrix): Replaced by ultrix_nested_svc.
2993 * (ultrix_atof_param): test_text string added.
2994 * (ultrix_ifdef): Modified select string.
2996 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2998 * objc/objc-act.c (generate_method_descriptors): Register
2999 objc_method_prototype_template as a GC root.
3000 (comp_method_with_proto): Register function_type as a GC root.
3001 (comp_proto_with_proto): Replace function_type1 and
3002 function_type2 with a two-element array; register it as a GC root.
3004 (generate_protocols, build_protocol_initializer,
3005 generate_protocol_list, build_category_initializer,
3006 build_shared_structure_initializer): Do not cache cast_type
3009 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3011 * function.c (assign_parms): Add missing argument to set_mem_attributes
3014 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3016 * tree.h (VOID_TYPE_P): New macro.
3017 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3018 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3019 (get_parm_info): Likewise.
3020 (store_parm_decls): Likewise.
3021 (combine_parm_decls): Likewise.
3022 (finish_function): Likewise.
3023 * c-typeck.c (build_function_call): Likewise.
3024 (build_binary_op): Likewise.
3025 (build_conditional_expr): Likewise.
3026 (internal_build_compound_expr): Likewise.
3027 (convert_for_assignment): Likewise.
3028 * stmt.c (expend_expr_stmt): Likewise.
3029 (warn_if_unused_value): Likewise.
3030 (expand_return): Likewise.
3031 * c-parse.in (primary): Likewise.
3032 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3033 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3035 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3037 * alias.c (get_alias_set): If compnent is addressable, use alias
3039 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3040 (grokdeclarator): Likewise.
3041 * c-typeck.c (common_type): Likewise.
3043 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3045 * Makefile.in (OBJS): Remove dyn_string.o
3046 (dyn-string.o): Delete rule.
3047 * dyn-string.c: Delete file
3048 * dyn-string.h: Likewise.
3050 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3052 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3055 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3057 * alias.c (record_component_aliases): Don't inspect
3058 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3060 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3062 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3063 it with the pattern to do machine dependent work.
3064 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3065 use it to modify the true/false tests used in conditional
3066 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3067 defined, invoke them if the conversion to conditional execution
3068 was successful or not.
3070 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3071 (IFCVT_MODIFY_INSN): Ditto.
3072 (IFCVT_MODIFY_FINAL): Ditto.
3073 (IFCVT_MODIFY_CANCEL): Ditto.
3075 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3077 * toplev.c (main): Fix misspellings of possibility and language.
3079 2000-06-03 Richard Henderson <rth@cygnus.com>
3081 * alias.c (record_alias_subset): Initialize has_zero_child in the
3084 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3086 * arm.md (untyped_call): Use GEN_CALL macro.
3088 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3090 * Makefile.in: Use $(MAKE) not "make"
3092 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3094 * alias.c (struct alias_set_entry): New field has_zero_child.
3095 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3096 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3098 Call record_component_aliases for aggregate types.
3099 (record_alias_subset): Set has_zero_child.
3100 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3101 TYPE_NONALIASES_COMPONENT.
3102 (record_component_aliases, case RECORD_TYPE): Test
3103 DECL_NONADDRESSABLE_P.
3104 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3105 of TREE_ADDRESSABLE.
3106 * calls.c (initialize_argument_information): Only test
3107 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3108 * function.c (assign_parms): Likewise.
3109 * integrate.c (function_cannot_inline_p): Likewise.
3110 * stor-layout.c (finish_record_layout): Don't call
3111 record_component_aliases.
3112 * tree.h (struct tree_int_cst): Use struct tree_common.
3113 (struct tree_real_cst, struct tree_string): Likewise.
3114 (struct tree_complex, struct tree_identifier): Likewise.
3115 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3116 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3117 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3118 (TYPE_NONALIASES_COMPONENT): New macro.
3119 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3120 (DECL_NONADDRESSABLE_P): New macro.
3121 (struct tree_decl): Reorder bits for clarity of how many left;
3124 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3126 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3127 * mklibgcc.in (force): New target.
3128 Make LIB2ADD stuff depend on it.
3130 2000-06-02 Richard Henderson <rth@cygnus.com>
3132 * alias.c (lang_get_alias_set): Remove.
3133 (get_alias_set): Call it directly, not indirectly.
3134 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3135 * c-common.h (c_get_alias_set): Don't declare.
3136 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3137 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3139 2000-06-02 Bruce Korb <bkorb@gnu.org>
3141 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3142 (server_setup): define the server's master pid
3143 (close_server): actually do the deed IFF we are the server's master
3145 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3147 * c-common.c (c_get_alias_set): Check whether signed_type did not
3148 return its argument before calling get_alias_set on the result.
3150 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3152 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3154 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3156 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3157 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3158 for TARGET_NOMACSAVE.
3159 (NOMACSAVE_BIT): Define.
3160 (TARGET_NOMACSAVE): Define.
3161 (TARGET_SWITCHES): Add "nomacsave".
3163 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3165 * sh.md (untyped_call): Remove excess parameters
3167 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3169 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3170 match that used before the conversion to c_fix style.
3171 * fixinc/fixincl.x: regenerate
3173 2000-06-01 Stan Cox <scox@cygnus.com>
3175 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3176 macro argument typo.
3178 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3180 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3182 * cpplib.c (parse_include): Remove support for VAX-C
3183 "#include starlet" misfeature.
3185 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3187 * cppfiles.c: conditionally define O_BINARY.
3188 (open_include_file): pass O_BINARY to open().
3190 2000-06-01 Richard Henderson <rth@cygnus.com>
3192 * i960.c (i960_br_predict_opcode): Remove.
3193 (i960_print_operand) [+]: Emit branch prediction hints.
3194 (i960_function_arg): Return early for VOIDmode.
3195 (i960_round_align): Return early for incomplete types.
3196 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3197 * i960.md (all conditional branches): Add "%+".
3199 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3201 * alias.c (get_alias_set): Don't call language-specific routine more
3202 than is needed and clean up code a bit.
3203 * c-common.c (c_get_alias_set): All references whose type
3204 is char get alias set 0, but character types need not.
3205 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3206 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3208 2000-06-01 Bruce Korb <bkorb@gnu.org>
3210 * fixinc/tests/base/...: new base result files
3212 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3214 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3215 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3216 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3219 2000-06-01 Richard Henderson <rth@cygnus.com>
3221 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3223 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3225 2000-05-31 Richard Henderson <rth@cygnus.com>
3227 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3228 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3229 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3231 2000-05-31 Richard Henderson <rth@cygnus.com>
3233 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3234 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3235 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3236 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3237 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3239 2000-05-31 Richard Henderson <rth@cygnus.com>
3241 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3243 2000-05-31 Richard Henderson <rth@cygnus.com>
3245 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3247 (find_if_block): Allow THEN with no outgoing edges.
3248 * flow.c (merge_blocks_nomove): Remove a barrier not following
3251 2000-05-31 Richard Henderson <rth@cygnus.com>
3253 * flow.c (propagate_block): Move initialization of mem_set_list ...
3254 (init_propagate_block_info): ... here. Also track blocks with
3255 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3257 2000-05-31 Richard Henderson <rth@cygnus.com>
3259 * jump.c (jump_optimize_1): Revert 05-18 change.
3261 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3263 * invoke.texi: Remove documentation for -fguiding-decls.
3265 2000-05-31 Richard Henderson <rth@cygnus.com>
3267 * configure.in: Fix typo last change.
3269 2000-05-31 Philipp Thomas <pthomas@suse.de>
3271 * configure.in (enable-nls): Enable if build == host, i.e. when
3272 not building a canadian cross compiler.
3273 (enable-maintainer-mode): Added for use with i18n.
3274 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3275 cross section of ALL_LINGUAS and LINGUAS.
3276 * configure: Rebuild.
3278 2000-05-31 Bruce Korb <bkorb@gnu.org>
3280 * fixinc/check.tpl: rework to use test result tree
3281 * fixinc/Makefile.in: change invocation of check script
3282 * fixinc/check.diff: No longer needed
3283 * fixinc/fixincl.x: regenerate
3284 * fixinc/inclhack.def: add new tests
3285 * fixinc/tests/base/arch/i960/archI960.h: New test result
3286 * fixinc/tests/base/curses.h: modified test result
3287 * fixinc/tests/base/stdio.h: ditto
3288 * fixinc/tests/base/time.h: ditto
3289 * fixinc/tests/base/sys/asm.h: ditto
3290 * fixinc/tests/base/sys/stat.h: ditto
3291 * fixinc/tests/base/sys/wait.h: ditto
3293 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3295 * except.c (clear_function_eh_region): Do not free NULL.
3297 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3299 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3300 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3301 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3302 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3303 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3304 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3305 (get_alias_set): Likewise.
3306 Major rework to do more things and allow language-specific code
3307 to just handle special-cases.
3308 (record_alias_subset): Args are HOST_WIDE_INT.
3309 (record_component_alias): Local vars are HOST_WIDE_INT.
3310 Don't handle COMPLEX_EXPR.
3311 (get_varargs_alias_set): Moved from builtins.c.
3312 (get_frame_alias_set): New function.
3313 * builtins.c (expand_builtin_return_address): Use frame alias set.
3314 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3316 (get_memory_rtx): Rework to use set_mem_attributes.
3317 (get_varargs_alias_set): Deleted from here.
3318 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3319 (c_find_base_decl): Deleted from here.
3320 (c_get_alias_set): Remove many cases and rework to just handle
3322 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3323 * c-decl.c (rtl.h, expr.h): Now included.
3324 (init_decl_processing): Call record_component_aliases on array types.
3325 (grokdeclarator): Likewise.
3326 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3327 * c-typeck.c (common_type): Call record_component_aliases for array.
3328 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3329 Set all save areas to the frame alias set.
3330 * calls.c (initialie_argument_information): Call set_mem_attributes.
3331 (compute_argument_addresses, expand_call): Likewise.
3332 * explow.c (set_mem_attributes): New function.
3333 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3334 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3335 LEN and OFFSET now HOST_WIDE_INT.
3336 (clear_by_pieces): Similar changes.
3337 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3338 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3339 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3340 (clear_by_pieces_1): Likewise.
3341 (emit_push_insn): Call set_mem_attributes.
3342 (expand_expr, case INDIRECT_REF): Likewise.
3343 (expand_expr, case VAR_DECL): Call change_address.
3344 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3346 (get_varargs_alias_set, get_frame_alias_set): New decls.
3347 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3348 (new_alias_set, set_mem_attributes): Likewse.
3349 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3350 (assign_stack_temp_for_type): Likewise.
3351 Can split slot even if alias set since can copy.
3352 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3353 (assign_temp): Use host_integerp and tree_low_cst.
3354 (put_var_into_stack): Properly handle SAVE_EXPR.
3355 (put_addressof_into_stack): Likewise.
3356 (assign_parms): Call set_mem_attributes.
3358 (fix_lexical_address): Put reference to chain into frame alias set.
3359 (expand_function_start): Call set_mem_attributes.
3360 * integrate.c (expand_inline_function): Likewise.
3361 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3362 * regmove.c (try_apply_stack_adjustment): Likewise.
3363 * reload.c (push_reload, make_memloc): Likewise.
3364 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3365 * rtl.def (MEM): Update comment.
3366 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3367 (move_by_pieces): Change length to HOST_WIDE_INT.
3368 (record_base_value, record_alias_subset): Delete from here.
3369 * stmt.c (expand_decl): Call set_mem_attributes.
3370 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3371 * toplev.c (compile_file): Call init_alias_once earlier.
3372 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3373 from here: now in alias.c.
3374 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3375 (struct tree_decl): Likewise.
3376 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3377 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3378 (output_constant_def, force_const_mem): Likewise.
3380 * flow.c (propagate_block): If block has no successors, stores to
3381 frame are dead if not used.
3383 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3385 * stmt (expand_end_case): Reorder conversion sequence for jump
3386 table to avoid extra truncations.
3388 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3390 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3391 in the block is more than just a simple conditional branch.
3392 (noce_process_if_block): Similarly.
3394 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3396 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3399 2000-05-30 Michael Meissner <meissner@redhat.com>
3401 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3402 instructions. Treat LO_SUM operations as loading the full integer
3405 2000-05-30 Richard Henderson <rth@cygnus.com>
3407 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3409 2000-05-30 Richard Henderson <rth@cygnus.com>
3411 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3413 2000-05-30 Bruce Korb <bkorb@gnu.org>
3415 * fixinc/tests/*: Added expected result files for fixinc's make check
3416 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3418 2000-05-30 Richard Henderson <rth@cygnus.com>
3420 * config/alpha/alpha.md (*setne_internal): Use match_operator
3421 instead of working down from insn.
3423 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3425 * invoke.texi (-Wtraditional): Update WRT function macros.
3427 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3429 * except.c (free_exception_table): Do not free NULL.
3431 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3433 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3434 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3437 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3439 * flow.c (mark_used_reg): If a register is unconditionally live,
3440 remove any conditional death information.
3442 2000-05-29 Richard Henderson <rth@cygnus.com>
3444 * final.c (current_output_insn): New.
3445 (final_scan_insn): Set it.
3446 * output.h: Declare it.
3448 2000-05-29 Richard Henderson <rth@cygnus.com>
3450 * stor-layout.c (finalize_record_size): Fix typo.
3452 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3455 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3457 * cpplib.h (cpp_reader): Remove if_stack. Change
3458 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3459 * cpphash.h (struct ihash): Change control_macro to a
3460 cpp_hashnode * and shorten name to cmacro.
3461 Add NEVER_REINCLUDE constant.
3463 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3464 Examine the cmacro node directly, no need to call cpp_defined.
3465 (_cpp_execute_include, read_include_file): Set cmacro to
3466 NEVER_REINCLUDE, not U"".
3467 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3468 (cpp_get_token): If pfile->skipping is true, discard text and
3469 keep scanning until we hit a directive; don't expand macros.
3471 * cpplib.c (struct if_stack): Remove if_succeeded, add
3472 was_skipping. Change control_macro to a cpp_hashnode * and
3473 shorten name to cmacro. Remove typedef IF_STACK.
3474 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3475 (conditional_skip, skip_if_group,
3476 consider_directive_while_skipping): Delete.
3477 (push_conditional): New.
3478 (_cpp_handle_directive): Don't process directives other than
3479 conditionals if we are skipping.
3481 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3482 Update to new scheme.
3483 (validate_else): Skip rest of line here, unconditionally.
3484 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3485 pfile->skipping off.
3487 (all): Remove `scare quotes' from error messages.
3489 2000-05-29 Richard Henderson <rth@cygnus.com>
3491 * function.c (emit_return_into_block): New line_note arg; emit it.
3492 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3493 for the close brace to accompany HAVE_return. Move all line notes
3494 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3496 2000-05-29 Richard Henderson <rth@cygnus.com>
3498 * longlong.h [__alpha] (count_leading_zeros): New.
3499 (count_trailing_zeros): New.
3500 (COUNT_LEADING_ZEROS_0): New.
3502 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3503 (alpha_split_conditional_move): New.
3504 * config/alpha/alpha-protos.h: Prototype them.
3505 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3506 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3507 * config/alpha/alpha.md: Update ffs cix commentary.
3509 (*nabssf2, *nabsdf2): New.
3510 (*mov[qhsd]icc_internal): Use add_operand.
3511 (if_then_else constant splitters): New.
3512 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3513 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3515 2000-05-29 Richard Henderson <rth@cygnus.com>
3517 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3518 a constant to NEG or NOT when conditions allow.
3520 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3521 unless both args are general_operand. Don't canonicalize plus
3522 to ior unless it helps.
3524 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3525 instead track register_life_up_to_date. Toggle no_new_pseudos
3528 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3530 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3531 so output_operand doesn't see them.
3533 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3535 * lcm.c (make_preds_opaque): Fix comment.
3536 (optimize_mode_switching): Use NORMAL_MODE instead of
3537 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3538 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3539 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3540 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3541 (MODE_USES_IN_EXIT_BLOCK): Delete.
3542 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3543 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3544 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3545 (MODE_NEEDED): Don't look for USE.
3546 (EPILOGUE_USES): Define.
3548 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3550 * mklibgcc.in (all): Variable initialised to `libgcc'.
3552 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3554 * toplev.h (skip_leading_substring): New macro.
3555 * toplev.c (decode_f_option): Use skip_leading_substring instead
3557 (decode_W_option): Likewise.
3559 2000-05-28 Nick Clifton <nickc@cygnus.com>
3561 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3564 2000-05-28 Richard Henderson <rth@cygnus.com>
3566 * regclass.c (record_operand_costs): Protect reg_changes_size
3567 with CLASS_CANNOT_CHANGE_SIZE.
3569 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3571 2000-05-28 Richard Henderson <rth@cygnus.com>
3573 * function.c (diddle_return_value): A pcc-style struct return
3576 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3578 * cppfiles.c: Read files in, using mmap if possible, then
3579 prescan them separately.
3580 (read_file, read_with_read): New functions.
3581 * cpplex.c: Don't define UCHAR_MAX.
3582 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3585 * cppinit.c (handle_option): Automatically define __cplusplus,
3586 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3587 the respective -lang switch.
3589 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3590 prototype): Move to...
3591 * cpplib.h: ... here. Rename struct hashnode to struct
3592 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3593 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3595 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3597 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3599 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3600 (class_can_change_size): New variable.
3601 (reg_changes_size): New variable.
3602 (init_reg_sets_1): Initialise class_can_change_size.
3603 (record_operand_costs): Remove subreg_changes_size.
3604 Don't pass it around. Instead update reg_changes_size.
3605 (regclass): Initialise and free reg_changes_size. If a register
3606 changes size, don't preference it to a class that contains
3607 registers that can't change size.
3608 (record_reg_classes): Don't look at subreg_changes_size.
3610 2000-05-27 Richard Henderson <rth@cygnus.com>
3612 * print-rtl.c (reg_names): Remove const.
3613 * regclass.c (reg_names): Likewise.
3614 * regs.h (reg_names): Likewise.
3615 * hard-reg-set.h (reg_names): Likewise.
3617 2000-05-27 Richard Henderson <rth@cygnus.com>
3619 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3621 2000-05-27 Richard Henderson <rth@cygnus.com>
3623 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3624 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3625 (alpha_expand_prologue): Emit prologue_mcount if needed.
3626 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3627 * config/alpha/alpha.md (prologue_mcount): New.
3628 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3629 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3630 * config/alpha/netbsd.h: Likewise.
3632 2000-05-27 Richard Henderson <rth@cygnus.com>
3634 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3635 change to config/elfos.h.
3637 2000-05-27 Richard Henderson <rth@cygnus.com>
3639 * Makefile.in (resource.o): Depend on except.h.
3640 * except.h (output_exception_table_data): Prototype.
3641 * genconfig.c (gen_peephole2): Prototype.
3642 * genemit.c (main): Include ggc.h.
3643 * genoutput.c: Revert parts of last change: include errors.h
3644 (main): Set progname.
3645 * recog.c: Include hard-reg-set.h before recog.h.
3646 * resource.c: Include except.h.
3648 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3650 (alpha_write_linkage): Protect with BUFSIZ.
3651 (alpha_need_linkage): Update prototype.
3652 * config/alpha/alpha.c (function_arg): Move VMS code here.
3653 (alpha_links_base): Remove.
3655 (mark_alpha_links_node, mark_alpha_links): New.
3656 (alpha_write_one_linkage): New.
3657 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3658 (alpha_write_linkage): Use splay_tree_foreach.
3659 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3660 to get the linkage symbol.
3661 (call_value_vms): Likewise.
3662 * config/alpha/elf.h (output_file_directive): Remove decl.
3663 (ctors_section, dtors_section): Prototype.
3664 (sbss_section, sdata_section): Prototype.
3665 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3666 (readonly_section, link_section, literals_section): Prototype.
3667 (ctors_section, dtors_section): Prototype.
3668 (vms_valid_decl_attribute_p): Remove decl.
3669 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3671 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3673 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3675 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3676 substituting the REG in a (subreg:X (reg:Y ...)).
3678 2000-05-28 Neil Booth <NeilB@earthling.net>
3680 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3681 first token of a line BOL. Update EOF code for this.
3682 Remove illegal directive check - it appears in the (not
3683 yet committed) caller.
3684 * cpplib.h (BOL): New flag.
3686 2000-05-28 Neil Booth <NeilB@earthling.net>
3688 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3689 (_cpp_free_toklist): No comment space to free.
3690 (expand_comment_space): Remove.
3691 (save_comment_space): Place the comment in the current token and
3692 not in a separate comment space.
3693 (_cpp_lex_line): Save comments during plain code and #define
3695 * cpplib.h (struct _cpp_toklist): Remove comment space.
3697 2000-05-28 Neil Booth <NeilB@earthling.net>
3699 * cppexp.c (parse_assertion): Supply extra argument to
3701 * cpplib.c (do_assert, do_unassert): Similarly.
3702 * cpphash.h (_cpp_init_toklist) Update.
3703 (_cpp_expand_token_space): New.
3704 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3705 * cpplex.c (_cpp_init_toklist): New argument.
3706 (parse_string2): New argument multiline_ok.
3707 (spell_token): Take a const cpp_token *.
3708 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3709 (SPELL_ macros): Replace with enum.
3710 (expand_token_space): Replace with _cpp_expand_token_space.
3711 Take COUNT argument.
3712 (IS_DIRECTIVE): Update.
3713 (_cpp_lex_line): Update token structure before parsing number.
3714 Don't assume start at beginning of token list.
3715 (save_comment): Use INIT_TOKEN_NAME.
3717 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3719 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3720 -Wmissing-prototypes.
3721 * configure: Regenerate.
3722 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3724 * builtins.c, calls.c: Change all instances of gen_call_* or
3725 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3726 * calls.c (struct_value_size_rtx): Separate definition from
3727 initialization to avoid unused variable warning.
3729 * genflags.c (gen_macro): New function.
3730 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3731 (gen_nonproto): Delete.
3732 (gen_insn): Put all insns on the same obstack.
3733 (main): Generate prototypes for everything unconditionally.
3735 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3736 out check for wchar_t.
3737 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3738 * system.h: Add infrastructure for defining missing
3739 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3740 definitions of UCHAR_MAX and SSIZE_MAX.
3741 * configure: Regenerate.
3742 * config.in: Regenerate.
3744 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3745 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3747 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3748 libgcc2.a, or libgcc1.null.
3750 2000-05-27 Richard Henderson <rth@cygnus.com>
3752 * Makefile.in (recog.o): Don't depend on resource.h.
3753 * recog.c: Don't include resource.h.
3754 (recog_last_allowed_insn): Remove.
3755 (recog_next_insn): Remove.
3756 (struct peep2_insn_data): New.
3757 (peep2_insn_data, peep2_current): New.
3758 (peep2_next_insn): New.
3759 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3760 (peep2_find_free_register): New.
3761 (peephole2_optimize): Track life information by insn as we go.
3762 * recog.h: Update declarations.
3763 * resource.c (find_free_register, reg_dead_p): Remove.
3764 * resource.h: Remove their declarations.
3765 * toplev.c: Include hard-reg-set.h before recog.h.
3767 * genconfig.c (max_insns_per_peep2): New.
3768 (gen_peephole2): New.
3770 * genemit.c (output_peephole2_scratches): Generate calls to
3771 peep2_find_free_register; adjust surrounding code.
3772 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3773 * genrecog.c (change_state): Don't track last_insn.
3774 (write_action): Write into *_pmatch_len before accepting.
3775 (write_tree): Adjust peephole2_insns and subroutines to match.
3777 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3779 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3780 (hard_int_register_operand): New.
3781 * config/alpha/alpha-protos.h: Declare it.
3782 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3783 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3784 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3786 2000-05-27 Richard Henderson <rth@cygnus.com>
3788 * function.c (thread_prologue_epilogue_insns): Don't move the
3789 line note at the head of the chain. Only force a lineno note
3790 before the end of block 0.
3792 2000-05-27 Richard Henderson <rth@cygnus.com>
3794 * gensupport.c (collect_insn_data): Record the maximum number
3795 of alternatives, not the last seen.
3797 * genoutput.c: Don't include errors.h.
3798 (struct data): Add lineno member.
3800 (scan_operands): Use message_with_line instead of error.
3801 (validate_insn_alternatives): Likewise.
3802 (gen_insn): Accept and store the pattern's line number.
3803 (gen_peephole, gen_expand, gen_split): Likewise.
3804 (main): Don't set progname. Pass line_no to gen_foo.
3806 2000-05-27 Richard Henderson <rth@cygnus.com>
3808 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3809 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3810 * config/d30v/d30v.md (attr predicable): New.
3811 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3812 (andsi3*): Unify into one pattern.
3813 (iorsi3*, xorsi3*): Likewise.
3814 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3816 (old cond_exec patterns): Remove.
3817 (define_cond_exec): New.
3819 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3821 * tree.h (TREE_CODE_LENGTH): New macro.
3822 * c-common.c (c_find_base_decl): Use it.
3823 * expr.c (safe_from_p): Likewise.
3824 * print-tree.c (print_node): Likewise.
3825 * tree.c (make_node, copy_node, get_identifier): Likewie.
3826 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3827 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3828 * fold-const.c (make_range): Likewise.
3829 (fold): Likewise; also use first_rtl_op.
3830 * c-iterate.c (collect_iterators): Use first_rtl_op.
3831 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3832 Use IS_EXPR_CODE_CLASS.
3833 (preexpand_calls): Likewise.
3834 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3835 and TREE_CODE_LENGTH.
3836 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3838 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3840 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3842 (movdi_internal64): Likewise.
3844 * config/rs6000/rs6000.md: Correct order of operands for DImode
3847 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3848 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3849 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3850 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3851 boolean_operator for the boolean patterns without NOTs.
3853 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3854 from reg_or_u_cint_operand. Change comment and behaviour.
3855 (logical_operand): Clean up, add assertion.
3856 (non_logical_cint_operand): Also check for
3857 reg_or_logical_cint_operand.
3858 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3859 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3865 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3867 * tree.h (struct record_layout_info): Rename to (struct
3868 record_layout_info_s).
3869 * stor-layout.c (start_record_layout): Replace
3870 `record_layout_info' with `record_layout_info_s'.
3872 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3874 * flow.c (find_label_refs): New function.
3875 (find_basic_blocks_1): Call it for each alternative of a call
3878 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3880 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3883 2000-05-25 Richard Henderson <rth@cygnus.com>
3885 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3886 so strict about DImode.
3887 (alpha_swapped_comparison_operator): Likewise.
3888 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3889 any integer output mode.
3890 (*setcc_internal): Likewise.
3891 (*setcc_swapped_internal): Likewise.
3892 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3893 (*mov[qhs]icc_internal): New.
3894 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3896 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3898 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3900 2000-05-25 Richard Henderson <rth@cygnus.com>
3902 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3903 Remove add_jump; add next; replace flags with visited.
3905 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3906 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3907 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3908 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3910 (reorder_index, reorder_last_visited): Remove.
3911 (skip_insns_after_block): Rewrite to use a switch.
3912 (get_common_dest): Remove.
3913 (chain_reorder_blocks): Remove.
3914 (record_effective_endpoints): Split out from reorder_basic_blocks.
3915 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3916 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3917 Only construct the reorder chain, do not move insns. Try harder
3919 (label_for_bb, emit_jump_to_block_after): New.
3920 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3921 and adjust the jump insns appropriately. Fixup basic_block_info.
3922 (verify_insn_chain): Always define.
3923 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3925 (make_new_scope): Don't write zeros to calloc'd space.
3926 (build_scope_forest): Rely on xrealloc to DTRT.
3927 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3928 profile_arc_flag. Streamline EH test.
3930 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3931 * basic-block.h: Declare them.
3933 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3935 * emit-rtl.c (reset_used_decls): New function.
3936 (unshare_all_rtl_again): Call it.
3938 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3940 * cpplex.c (maybe_macroexpand): Warn about function-like
3941 macros used in non-function context, if -Wtraditional.
3943 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3945 * recog.c (peephole2_optimize): Use INSN_P.
3947 2000-05-25 Richard Henderson <rth@cygnus.com>
3949 * ifcvt.c (seq_contains_jump): New.
3950 (noce_try_store_flag_constants): Use it to fail conversion.
3951 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3953 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3955 * except.h (can_throw): Declare it.
3956 * except.c (can_throw): Give it external linkage.
3957 * resource.c (find_dead_or_set_registers): Use can_throw.
3959 2000-05-25 Richard Henderson <rth@cygnus.com>
3961 * flow.c (mark_set_1): Don't record conditionally dead memory.
3963 2000-05-25 Jan Hubicka <jh@suse.cz>
3965 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3966 and pc_set at the place of simplejump_p and condjump_p.
3967 * cse.c (record_jump_equiv): Likewise.
3968 * emit-rtl.c (emit): Likewise.
3969 * explow.c (find_next_ref): Likewise.
3970 * flow.c (tidy_fallthru_edge): Likewise.
3971 (init_propagate_block_info): Likewise.
3972 * gcse.c (delete_null_pointer_checks): Likewise.
3973 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3974 dead_or_predicable): Likewise.
3975 * integrate.c (copy_insn_list): Likewise.
3976 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3977 for_each_insn_in_loop, check_dbra_loop, get_condition,
3978 insert_bct, load_mems): Likewise.
3979 * resource.c (find_dead_or_set_registers): Likewise.
3980 * sibcalls.c (simplejump_p): Likewise.
3981 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3983 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3985 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3986 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3988 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3989 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3990 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3991 * rs6000.md: Name various internal patterns.
3993 2000-05-25 Jan Hubicka <jh@suse.cz>
3995 * jump.c (invert_exp_1): Remove first argument, use pc_set
3996 to get the expression.
3997 (redirect_exp): Make static; redirect only the pc_set expression,
3998 remove first argument.
3999 (invert_exp): Remove first argument, make static.
4000 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4001 any_onlyjump at most places where we originaly did condjump_p
4003 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4004 (delete_barrier_succesors): Use pc_set.
4005 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4006 calls of invert_exp and redirect_exp.
4007 * rtl.h (redirect_exp, invert_exp): Remove.
4008 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4010 2000-05-25 Richard Henderson <rth@cygnus.com>
4012 * stmt.c (expand_end_bindings): Fix thinko last change.
4014 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4015 Andrew Haley <aph@cygnus.com>
4017 * except.c (func_eh_entry): Add emitted field.
4018 (new_eh_region_entry): Set emitted field to 0;
4019 (output_exception_table_entry): Only emit previously un-emitted data,
4020 and send it to the eh_data section.
4021 (output_exception_table): Break out common parts. Output
4022 exception table for entire compilation unit to eh_data section.
4023 (output_exception_table_data): Common parts of output_exception_table.
4024 Send output to eh_data section.
4025 (output_function_exception_table): Output exception table data for
4026 a single function to eh_data section.
4027 (free_exception_table): New external to free the table.
4028 * except.h (free_exception_table): Add prototype.
4029 (output_function_exception_table): Add prototype.
4030 * final.c (final_end_function): Output function exception table
4031 for IA64_UNWIND_INFO.
4032 (final_scan_insn): Emit any unwind directives for an insn.
4034 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4036 * frame.c: Remove all DWARF 2 specific code.
4037 * config/ia64/frame-ia64.c: New file.
4038 (gthread_stuff): Make all gthread available with
4040 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4041 (__register_frame_info, __register_frame): Move to common area of file.
4042 (__register_frame_info_table, __register_frame_table): Move to common i
4044 (__deregister_frame_info, __deregister_frame): Move to common area.
4045 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4046 (read_uleb128): New version for ia64.
4047 (get_unwind_record): Read the next IA-64 unwind record.
4048 (read_R_record): Read a region header record.
4049 (process_a_b_reg_code): X record helper.
4050 (read_X_record): Read an X format record.
4051 (read_B_record): Read a B format record.
4052 (P3_record_types): List of record types matching the P3 format.
4053 (P7_record_types): List of record types matching the P7 format.
4054 (P8_record_types): List of record types matching the P8 format.
4055 (read_P_record): Read a P format record.
4056 (init_ia64_reg_loc): Set default fields for a register.
4057 (init_ia64_unwind_frame): Set defaults for all register records.
4058 (execute_one_ia64_descriptor): Execute one descriptor record.
4059 (rse_address_add): Calculate the position of a local reg in memory.
4060 (normalize_reg_loc): Turn a location descriptor into a memory address.
4061 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4062 within a specified PC offset range.
4063 (get_real_reg_value): Given a register location, retrieve its value.
4064 (set_real_reg_value): Change the value of a register location.
4065 (copy_reg_value): Copy reg values, if needed.
4066 (copy_saved_reg_state): Copy all registers that need to be copied.
4067 (process_state_between): Normalize all frame register records that
4068 fall within the specified PC range.
4069 (frame_translate): Take a processed frame description, and turn
4070 everything into addresses.
4071 (build_ia64_frame_state ): Find and create frame state record for a PC.
4072 (get_personality): Get the personality routine for a given frame.
4073 (get_except_table): Get the exception table for a given frame.
4074 (record_name): Unwind record names for debugging.
4075 (print_record): Print and unwind record.
4076 (print_all_records): Print an entire unwind image.
4077 (__ia64_backtrace): Print a backtrace.
4078 (ia64_backtrace_helper): New function.
4079 (__register_frame_info_aux): New function.
4080 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4082 * frame.h (enum unw_record_type): New unwind record types.
4083 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4084 (struct unw_r_record, unwind_record): New unwind record structs.
4085 (struct unwind_info_ptr): Unwind information layout.
4086 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4088 (struct ia64_reg_loc): Register location description.
4089 (struct ia64_frame_state): Location of all registers in a frame.
4090 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4091 * libgcc2.c (__ia64_personality_v1): Personality routine.
4092 (__calc_caller_bsp): Calculate the bsp register for the caller's
4094 (ia64_throw_helper): Figure out who to return to and set up the
4096 (__throw): Throw routine.
4098 * output.h (assemble_eh_align, assemble_eh_label): New functions
4099 to generate EH info where we want it.
4100 (assemble_eh_integer): New function.
4101 * toplev.c (compile_file): Output module level exception table for
4103 (main): Set exceptions_via_longjump and flag_new_exceptions based
4104 on IA64_UNWIND_INFO too.
4106 * varasm.c (assemble_eh_label): Generate a label via
4107 ASM_OUTPUT_EH_LABEL if it has been specified.
4108 (assemble_eh_align): Generate an alignment directive via
4109 ASM_OUTPUT_EH_ALIGN if it has been specified.
4110 (assemble_eh_label): Generate an integer value via
4111 ASM_OUTPUT_EH_type if they have been specified.
4112 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4113 (ia64_init_builtins): Add __builtin_ia64_bsp
4114 and __builtin_ia64_flushrs.
4115 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4116 IA64_BUILTIN_FLUSHRS.
4117 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4118 IA64_BUILTIN_FLUSHRS.
4120 * config/ia64/ia64.md (flushrs): New insn to flush the register
4121 stack. Add to unspec list.
4123 * config/ia64/crtbegin.asm (frame_object): Change size.
4124 (__do_frame_setup_aux): New function.
4125 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4126 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4127 * Makefile.in (LIB2ADDEH): Add.
4128 (LIB2ADD): Use LIB2ADDEH.
4130 2000-05-24 Richard Henderson <rth@cygnus.com>
4132 * recog.c (offsettable_address_p): If mode size is zero, assume
4135 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4137 * configure.in: Check for -Wno-long-long option support and improve
4138 handling of warning CFLAGS for stages 1 and 2.
4139 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4140 * configure: Regenerate.
4142 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4144 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4145 * contrib.texi: New file.
4147 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4149 * loop.c (basic_induction_var): Avoid double recording of an increment.
4151 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4153 * Back out this patch:
4154 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4155 * loop.h (struct induction): Add multi_insn_incr.
4156 * loop.c (basic_induction_var): New multi_insn_incr argument.
4157 Set it if we search back through previous insns for the biv.
4158 (record_biv): New multi_insn_incr argument; fill in struct induction.
4159 (strength_reduce): Discard an iv with multiple bivs, any of
4160 which require multiple insns to increment.
4162 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4164 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4166 * rtl.h (loc_mentioned_in_p): Declare.
4167 * reload.c (loc_mentioned_in_p): Moved from here...
4168 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4169 Fix loop increment for 'E' handling.
4170 * loop.c (strength_reduce): When doing biv->giv conversion,
4171 take multi-insn biv increments into account.
4173 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4175 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4178 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4180 * calls.c (expand_call): Handle cleanups in tail-recursion
4181 arguments analagously to cleanups in sibling calls.
4183 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4185 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4186 All callers changed.
4188 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4190 * expr.c (expand_assignment, store_expr, expand_expr,
4191 expand_expr_unaligned): Set in_check_memory_usage while emitting
4192 chkr_check_addr libcall.
4194 2000-05-24 Nick Clifton <nickc@cygnus.com>
4196 * fold-const.c (extract_muldiv): When constructing a
4197 multiplier/divisor, do not expect const_binop to correctly
4198 determine if overflow has occured, so check explicitly.
4200 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4202 * c-decl.c (build_enumerator): Don't modify the value's type,
4205 2000-05-24 Andreas Jaeger <aj@suse.de>
4207 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4209 2000-05-24 Eric Christopher <echristo@cygnus.com>
4211 * configure.in: Redefine inhibit_libc conditions.
4212 * libgcc2.c: Remove inhibit_libc conditional define.
4213 * configure: Regenerate.
4215 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4217 * configure.in: For --enable-languages=LIST, check for empty LIST.
4218 * configure: Regenerate.
4220 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4222 * pdp11.h (STACK_BOUNDARY): Define.
4224 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4226 * ifcvt.c (if_convert): Update life info globally.
4228 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4230 * emit-rtl.c (unshare_all_decls): New function.
4231 (unshare_all_rtl): Call it.
4233 2000-05-23 Nick Clifton <nickc@cygnus.com>
4235 * configure.in: Treat 'strongarm' as if it were 'arm' when
4236 determining cpu type.
4238 * configure: Regenerate.
4240 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4241 where constant strings are involved.
4243 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4246 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4247 cases where constant strings are involved.
4249 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4251 * config/sh/sh.c (gen_far_branch, split_branches): Update
4252 to reflect new prototypes for redirect_jump and invert_jump.
4253 (sh_insn_length_adjustment): Get rid of const warnings.
4255 2000-05-23 Kazu Hirata <kazu@hxi.com>
4257 * invoke.texi (Options for Debugging Your Program or GCC): Update
4258 the names of dump files.
4260 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4262 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4263 * configure: Regenerated.
4265 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4267 * simplify-rtx.c (SIGN_EXTEND): New macro.
4268 (simplify_unary_operation, simplify_binary_operation,
4269 simplify_relational_operation): Use SIGN_EXTEND. Make low
4270 halves of (low, high) pairs unsigned if they weren't already.
4271 (simplify_ternary_operation): Cast INTVAL to unsigned before
4272 comparing to a MODE_BITSIZE.
4274 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4276 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4277 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4279 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4280 gcc_AC_NEED_DECLARATIONS.
4282 * dwarfout.c: Don't prototype time().
4284 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4286 * system.h: Likewise.
4288 * toplev.c: Likewise.
4290 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4292 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4294 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4296 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4298 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4300 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4302 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4304 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4305 (alpha_start_function): Never write ..ng label if VMS or NT.
4306 (alpha_align_insns): Remove GP_IN_USE arg.
4307 Alignment now unsigned.
4308 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4309 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4310 and two define_insn's.
4312 2000-05-22 Richard Henderson <rth@cygnus.com>
4314 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4316 2000-05-22 Richard Henderson <rth@cygnus.com>
4318 * stor-layout.c (place_field): Change rli->size to rli->offset.
4320 2000-05-22 Richard Henderson <rth@cygnus.com>
4322 * function.c (thread_prologue_and_epilogue_insns): Make sure
4323 existing line number notes appear after the prologue.
4325 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4327 * config/alpha/alpha.c (alpha_fnname): New static variable.
4328 (print_operand, case '~'): New case.
4329 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4330 (alpha_start_function): Set alpha_fnname.
4331 Write "ng" label if no ldgp; don't write ldgp insn.
4332 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4333 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4335 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4337 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4340 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4342 * varasm.c (eh_frame_section): Revert change to argument list.
4344 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4346 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4347 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4349 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4350 dangling "else" that causes "break" to be conditional.
4351 Also remove unneeded code at start.
4353 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4355 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4356 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4357 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4359 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4361 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4364 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4366 * alias.c (record_component_aliases): New function.
4367 * tree.h: Clean up some declarations and comments.
4368 (record_component_aliases): New declaration.
4369 * tree.c (get_alias_set): If type and has alias set, use it.
4371 2000-05-22 Richard Henderson <rth@cygnus.com>
4373 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4374 IF_THEN_ELSE to a setcc form.
4375 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4377 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4379 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4380 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4382 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4384 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4387 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4389 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4390 * config/mn10300/mn10300.c (print_operand): Likewise.
4392 * final.c (split_double): Right shift of negative values is not
4395 * ifcvt.c (if_convert): Scan and kill dead code.
4397 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4399 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4401 * diagnostic.c: Eliminate implicit int.
4402 * except.c, gcc.c: Add static prototypes.
4403 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4404 * gensupport.c (process_rtx): Use XVEC to initialize vector
4407 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4408 debug_reg_names instead of static reg_names. If not, define
4410 * regclass.c: Don't define global reg_names unless
4411 DEBUG_REGISTER_NAMES is defined.
4413 * reload1.c (order_regs_for_reload): Remove unused variable.
4414 * varasm.c: Include output.h after defaults.h. Define
4415 eh_frame_section as function of no args, not of unspecified args.
4417 * gcc.c: Constify argbuf; arguments to store_arg,
4418 process_command, main; elements of struct command and struct
4419 switchstr; local variables in execute, process_command, main.
4421 2000-05-20 Bruce Korb <bkorb@gnu.org>
4423 * fixinc/inclhack.def: many applications of c_fix=format + tests
4424 * fixinc/check.diff: regenerated
4425 * fixinc/fixincl.x: regenerated
4427 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4429 * alias.c: Clarify some comments.
4430 (record_base_value): REGNO is unsigned.
4431 * rtl.h (record_base_value): Likewise.
4433 * alias.c (aliases_everything_p): Don't special-case QImode here.
4434 * c-common.c (c_get_alias_set): Do it here.
4435 Handle BIT_FIELD_REF by getting alias info for arg.
4438 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4440 * mklibgcc.in: Restore rule to create ${dir}.
4442 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4444 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4445 GCC_FOR_TARGET used by MULTILIBS.
4446 * mklibgcc.in: Make sure each .o file depends on the
4447 directory it will be in.
4448 Make the multilib directory depends libgcc.
4450 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4452 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4454 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4456 * fold-const.c (make_range): Handle degenerated intervals.
4457 Fixes c-torture/execute/991221-1.c
4459 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4461 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4462 * reload.c (find_equiv_reg): Likewise.
4463 * alias.c (init_alias_analysis): Likewise.
4464 Only call prologue_epilogue_contains on insns.
4465 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4466 * bb-reorder.c (hard-reg-set.h): Include earlier.
4467 * haifa-sched.c (hard-reg-set.h): Likewise.
4468 * ifcvt.c (hard-reg-set.h): Likewise.
4469 * local-alloc.c (hard-reg-set.h): Likewise.
4470 * loop.c (hard-reg-set.h): Likewise.
4471 * predict.c (hard-reg-set.h): Likewise.
4472 * regrename.c (hard-reg-set.h): Likewise.
4473 * flow.c (hard-reg-set.h): Likewise.
4474 (reg_set_to_hard_reg_set): New function.
4475 * bitmap.c (regs.h, basic-block.h): No longer include.
4476 (bitmap.h): Now include.
4477 * conflict.c (hard-reg-set.h): Include.
4478 * profile.c (hard-reg-set.h): Likewise.
4479 * print-rtl.c (hard-reg-set.h): Likewise.
4480 * sbitmap.c (hard-reg-set.h): Likewise.
4481 * toplev.c (hard-reg-set.h): Likewise.
4482 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4483 * hard-reg-set.h (reg_names): Now constant.
4484 * regs.h (reg_names): Likewise.
4485 * regclass.c (reg_names): Likewise.
4486 * loop.h (basic-block.h): No longer include.
4487 (bitmap.h): Now include.
4488 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4489 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4490 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4492 2000-05-19 Jan Hubicka <jh@suse.cz>
4493 Richard Henderson <rth@cygnus.com>
4495 * basic-block.h (struct edge_def): New field "count".
4496 (struct basic_block_def): Likewise.
4497 * flow.c (entry_exit_blocks): Add count fileds.
4498 (split_edge): Keep count information up-to-date.
4499 (dump_edge_info, dump_flow_info): Dump count fields.
4501 * final.c (count_instrumented_edges): Rename to edge from arc.
4502 (end_final): Update users.
4503 * profile.c: Include expr.h, basic-block.h.
4504 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4505 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4506 (ignore_next_note, return_label_execution_count): Kill.
4507 (bbg_file_name, da_file_name): Kill.
4508 (edge_info, bb_info): New structures.
4509 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4510 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4511 (total_num_edges_instrumented): Likewise.
4512 (init_arc, expand_spanning_tree): Kill.
4513 (fill_spanning_tree, tablejump_entry_p): Kill.
4514 (instrument_edges): Rewrite from instrument_arcs to use
4515 commit_edge_insertions infrastructure.
4516 (compute_branch_probabilities): Remove arguments; rewrite for
4517 CFG infrastructure; use rtl_dump_file directly.
4518 (branch_prob, find_spanning_tree): Likewise.
4519 (union_groups, find_group): New.
4520 (init_branch_prob): Make bbg_file_name and da_file_name local.
4521 (end_branch_prob): Use rtl_dump_file directly.
4522 (init_edge_profiler): Rename to edge from arc.
4523 (output_arc_profiler): Kill.
4524 (gen_edge_profiler): New.
4525 (output_func_start_profiler): Turn off profiling. Make the
4526 constructor static when we can.
4527 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4529 * toplev.c (DFI_flow): Remove.
4530 (DFI_cfg, DFI_life): New.
4531 (dump_file): Update accordingly.
4532 (compile_file): Call end_branch_prob if profile_arc_flag too.
4533 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4534 profiling after the CFG is built. Move flow1 life analysis to
4535 DFI_life. Always estimate remaining probabilities.
4537 2000-05-19 Richard Henderson <rth@cygnus.com>
4539 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4541 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4543 2000-05-19 Richard Henderson <rth@cygnus.com>
4545 * jump.c (redirect_jump): Add delete_unused argument. Don't
4546 remove labels and code following when LABEL_NUSES goes to zero.
4547 (invert_jump): Likewise.
4548 (jump_optimize_1): Fix redirect/invert arguments.
4549 (do_cross_jump, thread_jumps): Likewise.
4550 * flow.c (split_edge): Likewise.
4551 * reorg.c (optimize_skip): Likewise.
4552 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4553 * profile.c (instrument_arcs): Likewise.
4554 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4555 * rtl.h: Update prototypes.
4557 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4559 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4561 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4564 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4566 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4567 past l1 when deleting whitespace and markers.
4569 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4570 * cpplib.c (do_unassert): Put the list to compare against on
4573 2000-05-19 Bruce Korb <bkorb@gnu.org>
4575 * fixinc/README: cleaned up old documentation
4576 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4577 * fixinc/check.tpl: compute the list of needed directories
4578 emit "#if defined(name)" because of conflict
4579 omit machine name differences from output differences
4580 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4581 (machine_name): change test text to use `sed' markers
4582 * fixinc/fixincl.x: regen
4584 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4586 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4589 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4591 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4592 it to match the current practice.
4594 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4596 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4598 2000-05-18 Richard Henderson <rth@cygnus.com>
4600 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4601 * rtl.h (insn_dependant_p): Declare it.
4602 * loop.c (strength_reduce): Use it.
4604 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4606 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4607 16-bit and 64-bit clean-up.
4609 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4611 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4612 * configure: Rebuilt.
4614 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4616 * genopinit.c: Use $ for escape sequences in optab patterns.
4617 Remove backslashes from optab patterns. Change $A, $B, $C to
4618 expand to (int) whatever instead of just whatever; remove
4619 explicit (int) from all optab patterns.
4621 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4622 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4623 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4624 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4627 2000-05-18 Richard Henderson <rth@cygnus.com>
4629 * jump.c (jump_optimize_1): Base minimum insn count during
4630 find_cross_jump on BRANCH_COST.
4632 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4634 * print-rtl.c (print_rtx): Only print note line number as string
4635 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4636 * final.c (final_scan_insn): Do nothing for note line number 0.
4638 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4640 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4641 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4642 NOTE_INSN_DELETED_LABEL.
4644 2000-05-18 Nick Clifton <nickc@cygnus.com>
4646 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4647 uninitialised data in .rodata not .bss, and do not interpret an
4648 error in the initialisation value as meaning that the variable
4649 should be placed in the .bss section.
4651 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4653 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4654 not `$ac_cv_prog_cc_cc_c_o'.
4655 * configure: Regenerated.
4657 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4658 Richard Henderson <rth@cygnus.com>
4660 * c-common.h (enum c_tree_index): Add g77 type entries.
4661 (g77_integer_type_node, g77_uinteger_type_node): New.
4662 (g77_longint_type_node, g77_ulongint_type_node): New.
4663 * c-decl.c (init_decl_processing): Initialize them.
4665 2000-05-18 Richard Henderson <rth@cygnus.com>
4667 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4669 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4670 (small_power_of_two): Likewise; use exact_log2.
4671 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4672 (output_adds_subs): Remove.
4673 (two_insn_adds_subs_operand): New.
4674 (split_adds_subs): New.
4675 * config/h8300/h8300-protos.h: Update.
4676 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4677 (CONST_OK_FOR_L): Match strict adds operands.
4678 (CONST_OK_FOR_N): Match struct subs operands.
4679 * config/h8300/h8300.md (adds_subs insns): Remove.
4680 (addhi patterns): Output adds/subs directly.
4681 (addsi_h8300h): Likewise.
4682 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4684 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4686 * cppexp.c (parse_assertion): New.
4687 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4688 (_cpp_parse_expr): Remove case '#'. Don't set
4689 parsing_if_directive.
4690 * cpphash.c (collect_objlike_expansion,
4691 collect_funlike_expansion, collect_params,
4692 _cpp_create_definition): The list no longer has a trailing
4694 * cpphash.h (enum node_type): Add T_ASSERTION.
4695 (struct hashnode): Remove aschain, add pred.
4696 (struct predicate): New.
4699 * cpplex.c (expand_token_space): Handle both offset and
4701 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4702 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4703 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4704 _cpp_equiv_toklists): New.
4705 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4706 stop at any single-character token, not just newline.
4707 (_cpp_lex_token): Remove special cases for #define and #if.
4708 (cpp_get_token): Expect # as a separate token type. Remove
4710 (_cpp_get_directive_token): Remove DIRECTIVE case.
4711 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4713 * cpplib.c (_cpp_check_directive): Set dirno and
4714 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4715 (_cpp_handle_directive): Run # <number> through the same logic
4716 as normal directives.
4717 (do_define): Don't set parsing_define_directive. Use
4718 _cpp_scan_until. The list does not have a VSPACE at the end.
4719 (do_if): Save, clear, and restore only_seen_white around
4721 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4722 (do_assert, do_unassert): Rewrite.
4724 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4725 (LIST_OFFSET): New flag.
4726 (struct cpp_toklist): Replace dir_handler and dir_flags with
4728 (struct cpp_reader): Remove parsing_if_directive and
4729 parsing_define_directive.
4731 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4733 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4734 following the cabs decl which terminate on the following line.
4735 Add the corresponding test_text case.
4737 2000-05-18 Neil Booth <NeilB@earthling.net>
4739 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4740 default tab stop size.
4741 (no_num, OPT_ftabstop): New.
4742 (handle_option): Handle "ftabstop=" command-line option.
4743 (print_help): Document it.
4744 * cpplex.c (COLUMN): Remove.
4745 (handle_newline): Reset col_adjust.
4746 (skip_whitespace): Update col_adjust as tabs encountered.
4747 (_cpp_lex_line): Update to use col_adjust. Call
4748 skip_whitespace for all whitespace.
4749 * cpplib.h (struct cpp_options): New member tabstop.
4750 (struct cpp_reader): New member col_adjust.
4751 (CPP_BUF_COL): Update.
4752 (CPP_BUF_COLUMN): New.
4753 * cpp.texi: Document "-ftabstop=" command line option.
4755 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4757 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4759 * configure: Rebuilt.
4761 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4763 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4765 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4766 HOST_BITS_PER_WIDE_INT is >= 64.
4768 2000-05-17 Richard Henderson <rth@cygnus.com>
4770 * jump.c (jump_optimize_1): Remove inactive but real insns
4771 in jump-to-next-insn optimization.
4773 2000-05-17 Richard Henderson <rth@cygnus.com>
4775 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4776 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4777 Don't call recompute_reg_usage if no_new_pseudos is true.
4778 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4779 Return true if we did work; update global life information.
4780 * basic-block.h (optimize_mode_switching): Update decl.
4782 2000-05-17 Neil Booth <neilb@earthling.net>
4784 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4786 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4788 * cpplib.c: New feature, #pragma system_header.
4789 * cpp.texi: Document special treatment of system headers, and
4790 the various mechanisms to get a header that special treatment.
4792 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4794 * system.h (offsetof): Define at the very end, to ensure we prefer
4795 the platform's definition if available.
4797 2000-05-16 Bruce Korb <bkorb@gnu.org>
4799 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4800 * fixinc/server.c: likewise
4801 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4802 + #ifdef debugging code + use #def constant for
4804 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4805 on C++ math namespace
4807 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4809 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4810 Don't check the return value of sprintf. Use asprintf to avoid
4813 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4815 * flags.h (warn_unused_function, warn_unused_label,
4816 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4817 Replace ``warn_unused''.
4818 (set_Wunused): Add declaration.
4819 * toplev.c (set_Wunused): New function.
4820 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4821 warn_unused_variable, warn_unused_value): New variables.
4822 (W_options): Add -Wunused-function, -Wunused-function,
4823 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4824 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4826 * toplev.c (decode_W_option): Update -Wunused flags by calling
4828 * c-decl.c (c_decode_option): Ditto for -Wall.
4830 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4831 warn_about_unused_variables): Replace warn_unused with more
4832 explicit warn_unused_value et.al.
4833 * function.c (expand_function_end): Ditto.
4834 * c-typeck.c (internal_build_compound_expr,
4835 internal_build_compound_expr): Ditto.
4836 * c-decl.c (poplevel, pop_label_level): Ditto.
4837 * toplev.c (check_global_declarations): Replace warn_unused with
4838 check for either warn_unused_function or warn_unused_variable.
4840 * gcc.1, invoke.texi (Warning Options): Document
4841 -Wunused-function, -Wunused-function, -Wunused-label,
4842 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4844 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4846 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4847 $(srcdir), not in the current directory.
4849 2000-05-16 Richard Henderson <rth@cygnus.com>
4851 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4852 assembler supports it.
4853 (.fini, .init): Use a gp-relative indirect call.
4854 (__do_global_dtors_aux): Preserve the gp; rebundle.
4855 (__do_frame_setup): Likewise.
4856 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4857 (.init): Use a gp-relative indirect call.
4858 (__do_global_ctors_aux): Preserve the gp.
4860 2000-05-16 Richard Henderson <rth@cygnus.com>
4862 * flow.c (commit_one_edge_insertion): Be prepared for a return
4863 insn to be inserted on the edge with a normal jump.
4864 * jump.c (jump_optimize_1): Don't look to create return isns.
4866 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4867 * jump.c (jump_optimize_1): Likewise.
4868 (returnjump_p): Verify the argument is a JUMP_INSN.
4869 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4871 2000-05-16 Nick Clifton <nickc@cygnus.com>
4873 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4874 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4875 (large_insn_p): Ditto.
4876 (m32r_is_insn): New function: Return true if the insn contains
4877 an executable instruction.
4878 (m32r_adjust_insn): Use m32r_is_insn.
4879 (m32r_sched_reorder): Use m32r_is_insn.
4880 (m32r_sched_variable_issue): Use m32r_is_insn.
4882 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4884 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4887 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4889 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4890 according to given options.
4892 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4894 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4895 if X has VOIDmode either.
4896 (LIMIT_RELOAD_CLASS): Similarly.
4898 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4899 not "general_operand" to match the processor's capabilities.
4901 2000-05-16 Bruce Korb <bkorb@gnu.org>
4903 * fixinc/README: corrected return address
4904 * fixinc/check.diff: regenerate, now that test works
4905 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4906 (char_macro_def_fix,char_macro_use_fix): corrected and
4907 rewrote to use regex to parse the text
4908 * fixinc/inclhack.def: more testing
4909 * fixinc/fixincl.x: regenerated
4911 * fixinc/inclhack.def: added several "test_text" attributes
4912 changed several fixes to use `c_fix = format'
4913 re-alphabetized the fixes
4915 * fixinc/check.diff: regenerate
4916 * fixinc/fixincl.x: regenerate
4917 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4921 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4923 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4925 2000-05-15 Richard Henderson <rth@cygnus.com>
4927 * toplev.c (rest_of_compilation): Run full jump pass before
4928 find_basic_blocks of flow2.
4930 2000-05-15 Richard Henderson <rth@cygnus.com>
4932 * jump.c: Fix typos and clarify commentary from last change.
4933 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4934 (safe_to_remove_jump_p): Remove.
4935 (condjump_label): Use pc_set.
4937 2000-05-15 Richard Henderson <rth@cygnus.com>
4939 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4940 that get in the way after reload.
4941 (cond_exec_process_if_block): Skip a label heading THEN block.
4943 2000-05-15 Richard Henderson <rth@cygnus.com>
4945 * varasm.c (output_constant_pool): Abort instead of converting
4946 (improperly) deleted labels to zero.
4948 2000-05-16 Neil Booth <NeilB@earthling.net>
4950 * cpplex.c (parse_string2): Update comment.
4951 (cpp_lex_line): No special assertion treatment for '('.
4952 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4953 * cpplib.h (SYNTAX_ASSERT): Remove.
4955 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4957 * jump.c (condjump_p): Mark as depreached.
4958 (any_condump_p): New.
4959 (any_uncondump_p): New.
4961 (safe_to_remove_jump_p): New.
4962 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4963 safe_to_remove_jump_p): Declare.
4965 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4967 * calls.c: Re-install both patches reverted by last patch.
4968 (struct arg_data): New field tail_call_reg.
4969 (initialize_argument_information): Initialize tail_call_reg
4970 (load_register_parameters): New argument flags, use
4971 tail_call_reg when emiting tail call sequence.
4972 (expand_call): Update call of load_register_parameters;
4973 copy unadjusted_args_size to adjusted_args_size.
4975 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4977 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4978 and bct_p parameters to flags.
4979 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4980 * rtl.h (loop_optimize): Update prototype.
4981 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4983 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4985 * calls.c (expand_call): Move expand_start_target_temps call after
4988 2000-05-15 Neil Booth <NeilB@earthling.net>
4990 * cpphash.c (trad_stringify, warn_trad_stringify,
4991 collect_params): Make some pointers pointers to const.
4992 * cpplex.c (auto_expand_name_space) Guaranteed to always
4993 expand by at least one character.
4994 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4995 (struct token_spelling): Use const U_CHAR * rather than PTR.
4996 (expand_name_space): Fix up token pointers if name space
4997 is moved when expanding.
4998 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4999 parse_string2, save_comment, spell_token, cpp_output_list):
5000 Update so the routines handle tokens with a direct pointer to
5001 their text, rather than an offset into the token's list's namebuf.
5002 (_cpp_lex_line): Rearrange for clarity.
5004 * cpplib.c (_cpp_check_directive): Similarly.
5005 (do_define): Make SYM a pointer to const.
5006 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5007 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5008 (TOK_OFFSET): Delete.
5011 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5013 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5016 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5018 (logical_u_operand): Delete.
5019 (non_logical_cint_operand): Rewrite to take MODE into account.
5020 (non_logical_u_cint_operand): Delete.
5021 (boolean_operator): New function.
5022 (print_operand): Add new %q operand.
5023 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5024 remove logical_u_operand and non_logical_u_cint_operand,
5025 update logical_operand and non_logical_cint_operand.
5026 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5027 logical operations to use %q.
5029 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5030 (movdi): Make similar to movsi.
5031 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5032 is no such thing as a DImode CONST_DOUBLE.
5033 * config/rs6000/rs6000.c (output_toc): Likewise.
5035 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5036 codes when old mnemonics are in use. Print register names
5037 for cc registers when requested.
5039 * optabs.c (expand_float): Don't allow mode widening that causes
5042 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5043 flags to their current names -maix64 and -maix32.
5045 2000-05-14 Bruce Korb <bkorb@gnu.org>
5047 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5048 and/or after current text of file
5049 * fixinc/fixlib.c(must_malloc):
5050 * fixinc/fixlib.h(must_malloc): + reformatting
5051 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5052 with usages of ``c_fix = wrap;''
5053 Add several tests and use the ``c_fix = format'' fixer more.
5054 * fixinc/fixincl.x: regen
5055 * fixinc/check.diff: regen
5056 * fixinc/check.tpl: emit the associated header with the missing
5059 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5061 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5062 variables $src and $dst.
5064 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5066 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5067 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5068 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5069 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5071 (set_message_prefixing_rule): Declare.
5073 * diagnostic.c: (current_prefixing_rule): New variable.
5074 (set_message_prefixing_rule): Define.
5075 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5076 (init_output_buffer): Adjust Initialization.
5077 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5079 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5081 * ifcvt.c (if_convert): Do not free NULL.
5083 2000-05-12 Nick Clifton <nickc@cygnus.com>
5085 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5086 to move a double word value.
5087 (di_operand): New function: Return true if the operand is suitbale
5088 for a double word move operation.
5089 (nonimmediate_di_operand): New function: Return true if the
5090 operand is a DImode register or MEM.
5092 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5093 nonimmediate_di_operand.
5095 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5096 nonimmediate_di_operand.
5098 * config/fr30/fr30.md (movdi): New pattern. Required because
5099 other patterns generate DImode results.
5100 (movdi_insn): New pattern.
5102 2000-05-12 Richard Henderson <rth@cygnus.com>
5104 * config/alpha/alpha.c (struct shadow_summary): Define
5105 bitfields as type unsigned int.
5107 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5109 * config/avr/t-avr: Added definition of FLOAT while generates
5112 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5113 peepholes for tst+jump = sbrs/sbrc optimization.
5115 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5117 * expr.c (emit_push_insn): Do not adjust stack pointer when
5120 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5122 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5123 * system.h (offsetof): ... to here.
5125 2000-05-12 Richard Henderson <rth@cygnus.com>
5127 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5128 * final.c (final_end_function): Use app_disable. Rearrange note
5129 handling into a switch. Emit deleted labels.
5130 (output_asm_label): Generate label strings for deleted labels.
5131 * flow.c (tail_recursion_label_list): New.
5132 (find_basic_blocks_1): Set label_value_list directly. Collect list
5133 of tail recursion labels from call_placeholders. Don't add deleted
5134 labels to the label value list.
5135 (cleanup_cfg): Use free_EXPR_LIST_list.
5136 (flow_delete_insn_chain): Turn non-removable labels into notes.
5137 (flow_delete_block): Don't disable deleting the block because of
5138 a non-removable label.
5139 (tail_recursion_label_p): New.
5140 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5142 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5144 (merge_blocks): Disable a merge because of tail recursion labels.
5145 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5146 Use a more accurate measure of not merging the join block.
5147 (find_if_block): Don't disable conversion because of a label.
5148 (find_if_case_1, find_if_case_2): Likewise.
5149 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5150 element when copying.
5151 (squeeze_notes): Also leave EH notes.
5152 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5154 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5156 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5157 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5158 referring to a deleted label. Convert tail handling to a switch.
5159 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5160 for NOTE_INSN_DELETED_LABEL.
5161 (NOTE): Fix commentary.
5162 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5163 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5164 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5165 (LABEL_NUSES, LABEL_REFS): Likewise.
5166 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5168 2000-05-12 Bruce Korb <bkorb@gnu.org>
5170 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5171 * fixinc/check.diff: updated
5172 * fixinc/inclhack.def: corrected & added some test_text-s
5173 * fixinc/genfixes: removed unneeded options to autogen invocation
5174 * fixinc/fixincl.tpl: Specified the output file
5175 * fixinc/fixfixes.c: visual appearance
5176 * fixinc/fixincl.x: regenerate
5178 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5180 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5181 CTRL_defn_fix): Delete.
5182 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5183 char_macro_def_fix and char_macro_use_fix, respectively. Put
5184 them into the FIXUP_TABLE. Get the string to search for from
5187 (format_write): New function.
5188 (format_fix): Use it.
5190 (FIX_PROC_HEAD): Constify text parameter.
5191 (machine_name_fix): Constify all char *s.
5192 * fixtests.c (skip_quote): Remove double static.
5194 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5195 ctrl_use_quotes): Update for new scheme.
5196 * fixincl.x: Regenerate.
5198 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5200 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5202 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5203 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5205 2000-05-11 Robert Lipe <robertlipe@usa.net>
5207 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5208 * fixincl.x: Regenerate.
5210 2000-05-11 Richard Henderson <rth@cygnus.com>
5212 * calls.c: Revert both 05-09 patches.
5214 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5216 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5218 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5221 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5222 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5224 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5226 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5228 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5230 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5232 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5234 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5235 * config/avr/avr.c (jump_over_one_insn_p): New function.
5236 * config/avr/avr.md: New peepholes added. Output test and
5237 conditional jump to "sbrc" or "sbrs" command.
5239 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5241 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5243 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5245 * except.c (find_exception_handler_labels_1): New function.
5246 (find_exception_handler_labels): Split into two functions, dive
5247 into CALL_PLACEHOLDERs when looking for exception handler labels.
5249 2000-05-11 Stan Cox <scox@cygnus.com>
5251 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5252 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5253 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5255 2000-05-11 Bruce Korb <bkorb@gnu.org>
5257 * fixinc/fixfixes.c (double_slash_fix): obsolete
5258 (else_endif_label_fix): obsolete
5259 (format_fix): new, unused as yet
5261 * fixinc/fixlib.h: added fix description struct for use by format_fix
5262 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5263 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5264 modules. Removed the vestiges of the script version.
5265 Added support for "make check".
5266 * fixinc/check.diff: base diff file (needs work!!)
5267 * fixinc/check.tpl: quiet the fixup output
5268 * fixinc/fixtests.c (main): obsolete
5269 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5270 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5272 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5274 * toplev.c (rest_of_compilation): Remove dead code after
5277 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5279 * cpphash.c (collect_funlike_expansion): Make "# is not
5280 followed by a macro argument name" a pedwarn, not an error.
5281 Preserve the # in the output. Suppress the warning if lang_asm.
5283 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5285 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5286 * configure: Rebuilt.
5288 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5290 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5292 2000-05-10 Kazu Hirata <kazu@hxi.com>
5294 * combine.c (try_combine): Fix a typo.
5296 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5298 * config/ia64/ia64.md (insv): Add comment.
5300 2000-05-10 Richard Henderson <rth@cygnus.com>
5302 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5303 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5304 dependancies on FPBIT and DPBIT.
5306 2000-05-10 Nick Clifton <nickc@redhat.com>
5308 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5309 when optimising for size.
5310 (mark_used_regs:) Ditto.
5311 (try_pre_increment_1): Ditto.
5313 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5315 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5316 Make error message friendlier.
5318 * cpphash.h (struct hashnode): Use struct hack for name
5320 * cpphash.c (struct hashdummy): New.
5321 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5322 (make_HASHNODE): No need to set ->name pointer. Correct
5324 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5326 2000-05-10 Richard Henderson <rth@cygnus.com>
5328 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5331 2000-05-10 Bruce Korb <bkorb@gnu.org>
5333 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5335 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5337 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5338 after we enter .debug.
5340 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5342 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5343 abstract instance of a nested inline function.
5345 * stor-layout.c (finish_record_layout): finalize_type_size
5346 before laying out the pending_statics.
5348 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5350 * cpplex.c (spell_token): New function.
5351 (spell_string, spell_comment, spell_name): fold into
5354 (E, H): Remove macros.
5355 (save_comment): Save comment opening characters too.
5356 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5358 * cpplib.h (I, S): Add macros.
5359 (E, H): Remove macros.
5360 (TTYPE_TABLE): Update entries for new speller.
5361 (SYNTAX_ASSERT): Remove.
5363 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5365 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5366 when removing escaped newlines. Reverse sense of test for
5369 2000-05-09 Richard Henderson <rth@cygnus.com>
5371 * flow.c (find_basic_blocks_1): Do not delete the first
5372 bb_note we run across.
5373 (create_basic_block): Use reorder_insns to move an existing
5374 bb_note to the correct place.
5376 2000-05-09 Richard Henderson <rth@cygnus.com>
5378 * calls.c (expand_call): Increment currently_expanding_call
5379 before calling optimize_tail_recursion.
5381 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5383 * reload1.c (reload_combine): Fix errors in last change.
5385 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5387 * gcc.c (used_arg): Skip over a semicolon at the end of the
5388 split-up loop; don't break out of it.
5390 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5391 (tree.o): Depend on output.h.
5393 * c-decl.c (pending_invalid_xref_file,
5394 current_function_prototype_file): Constify.
5395 (pushdecl): Constify a local char *.
5396 (define_label): Constify filename parameter.
5397 * c-lex.c (init_parse): Constify parameter and return value.
5398 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5399 * c-tree.h: Update prototypes.
5400 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5401 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5402 objc/objc-parse.c: Regenerate.
5404 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5405 * dwarfout.h: Update prototypes.
5406 * expr.c (expand_expr): Constify a local char *.
5407 * flags.h: Constify main_input_filename.
5408 * function.c (expand_function_end): Constify filename parameter.
5409 * genrecog.c (make_insn_sequence): Use a character array for
5411 (main): Remove unused variables.
5412 * input.h: Constify input_filename, main_input_filename, and
5413 file_stack.name. Update prototypes.
5414 * output.h: Declare first_global_object_name and
5415 weak_global_object_name here, as const char *.
5416 * stmt.c (expand_asm_operands): Constify filename parameter.
5417 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5418 Constify filename parameter.
5419 (input_filename, main_input_filename): Constify.
5420 * toplev.h: Update prototypes.
5421 * tree.c: Include output.h. Don't declare
5422 first_global_object_name or weak_global_object_name. Clean up string
5423 bashing in get_file_function_name_long.
5424 * tree.h (struct tree_decl): Constify filename member.
5425 (input_filename): Constify.
5427 * varasm.c (first_global_object_name, weak_global_object_name):
5429 (assemble_start_function, assemble_variable): Clean up string bashing.
5431 * gcc.c: Constify all spec-related strings initialized,
5432 transitively, from string constants. Constify all strings
5433 and string variables related to multilibs.
5434 (set_spec, read_specs): Cast argument to free to PTR.
5435 (used_arg): Do not modify multilib_matches. Use strncmp plus
5436 length comparison to compare multilib switches.
5437 * genmultilib: Constify everything declared in multilib.h.
5439 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5441 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5444 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5446 * config/avr/avr-protos.h (extra_constraint): change a type of
5447 second argument from char to int to avoid warnings.
5448 (asm_output_byte): Likewise.
5450 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5451 (initial_elimination_offset): Handle elimination from
5452 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5453 (legitimate_address_p): Use MAX_LD_OFFSET.
5454 (legitimize_address): Likewise.
5455 (out_movqi_r_mr): Likewise.
5456 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5457 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5458 (out_movsi_mr_r): Likewise.
5459 (out_movqi_mr_r): Likewise.
5460 (out_movhi_mr_r): Likewise.
5461 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5462 count as CONST_INT != 6.
5463 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5464 shift count is a CONSTANT_P, but not a CONST_INT.
5465 (ashlhi3_out): Coding style modifications.
5466 (ashlsi3_out): Likewise.
5467 (ashrhi3_out): Likewise.
5468 (ashrsi3_out): Likewise.
5469 (lshrhi3_out): Likewise.
5470 (lshrsi3_out): Likewise.
5471 (ashrqi3_out): Generate shift for any known constant count without
5472 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5473 but not a CONST_INT.
5474 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5475 shift count is a CONSTANT_P, but not a CONST_INT.
5476 (extra_constraint): change a type of
5477 second argument from char to int to avoid warnings.
5478 (asm_output_byte): Likewise.
5479 (asm_file_end): Output size generated commands count as a hex
5482 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5484 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5486 (ashlqi3): Values of "length" attribute changed. Shift count
5487 uses constraints 'n' instead of 'i'.
5488 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5489 shifts without clobber register.
5490 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5491 (call_insn): Correct test for which_alternative == 1 (was 0).
5492 (call_value_insn): Likewise.
5494 * config/avr/t-avr: Remove definition of FLOAT while generates
5497 2000-05-09 Bruce Korb <bkorb@gnu.org>
5499 * fixinc/check.tpl: Template for checking fixes
5500 * fixinc/inclhack.def: Added 'test_text' for many fixes
5501 disable hpux8_bogus_inlines on SCO
5502 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5504 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5506 * calls.c (expand_call): Reorganize somewhat in order
5507 to avoid unnecesary recalculation inside loop and make
5508 tail call failure code cleaner.
5510 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5512 * alias.c (nonlocal_reference_p): Minor reformatting.
5513 * reload.c (find_equiv_reg): Simplify logic for
5514 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5515 some some reformatting.
5516 * reload1.c (reload_combine): Don't assume everything in
5517 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5519 2000-05-08 Richard Henderson <rth@cygnus.com>
5521 * final.c (current_insn_predicate): New.
5522 (final_scan_insn): Set it.
5523 * output.h (current_insn_predicate): Declare.
5525 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5526 Attach it to call insns.
5527 (cond_exec_process_if_block): Track probability for true and
5529 (dead_or_predicable): Likewise.
5531 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5532 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5533 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5534 (estimate_probability, expected_value_to_br_prob): Use them.
5536 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5537 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5538 (ia64_expand_prediction): New.
5539 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5540 as needed after calls.
5541 (ia64_epilogue_uses): Mark b0 used.
5542 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5543 (bne_true, bne_false): Remove.
5544 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5545 (br_true, br_false): New. Use predicate_operator and
5546 ia64_expand_prediction.
5547 (return_true, return_false): Likewise.
5548 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5549 (call_internal1, call_value_internal): Likewise.
5550 (call_value_internal1, call_multiple_values_internal1): Likewise.
5552 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5554 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5556 2000-05-08 Richard Henderson <rth@cygnus.com>
5558 * rtlanal.c (may_trap_p): Consider old-style and volatile
5561 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5563 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5565 2000-05-08 Richard Henderson <rth@cygnus.com>
5567 * config/ia64/ia64.h (predicate_operator): Declare.
5569 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5572 * gensupport.c (process_rtx): Copy and post-process each member
5573 of the define_insn rtvec individually.
5575 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5577 * cpplex.c (spell_token): New function.
5578 (TOKEN_LEN): Add 1 for whitespace.
5579 (_cpp_lex_file): Update to use spell_token.
5580 * cpplib.h (E): Remove.
5581 (TTYPE_TABLE): Update CPP_VSPACE entry.
5583 2000-05-08 Richard Henderson <rth@cygnus.com>
5585 * flow.c (init_propagate_block_info): Watch out for conditional
5586 branch to next instruction, and thus one outgoing edge.
5588 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5589 for global register variables; don't special case __[CD]TOR_LIST__;
5590 mind ggc_p for string allocation.
5592 2000-05-08 Nick Clifton <nickc@cygnus.com>
5594 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5596 2000-05-08 Bruce Korb <bkorb@gnu.org>
5598 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5599 i?86-*-msdosdjgpp* no longer uses fixincludes
5600 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5601 * fixinc/inclhack.sh: deleted
5602 * fixinc/hackshell.tpl: deleted
5603 * fixinc/inclhack.tpl: deleted
5604 * fixinc/Makefile.in: Remove dependencies on above
5605 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5607 2000-05-08 Andreas Jaeger <aj@suse.de>
5609 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5612 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5614 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5617 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5619 * cpplex.c: Move new lexer definitions and prototypes
5620 to top. Conditional include these and the code if
5621 NEW_LEXER is defined. Rename functions whose names
5622 clash if this code included.
5624 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5626 * rtl.def (COND_EXEC): Clarify.
5628 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5629 same fashion as zero_extendsidi2.
5631 2000-05-06 Richard Henderson <rth@cygnus.com>
5633 * config/ia64/ia64.c (predicate_operator): New.
5634 (ia64_print_operand): Handle 'J'.
5635 (rtx_needs_barrier): Handle COND_EXEC.
5636 * config/ia64/ia64.h (BRANCH_COST): Define.
5637 (PREDICATE_CODES): Update.
5638 * config/ia64/ia64.md: Docuement used unspec values.
5639 (attr predicable): New.
5640 (movxf, movxf_internal): New.
5641 (extendsfdf2): Don't comment out nop.
5642 (floatdidf2): Remove.
5643 (truncxfsf2, truncxfdf2, floatdixf2): New.
5644 (abssi2, absdi2): Put the neg in the "true" slot.
5645 (conditional branch instructions): Mark not predicable.
5646 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5647 (abs*_internal): Likewise.
5648 (alloc, set_bsp): Mark not predicable.
5649 (barrier, insn_group_barrier, flush_cache): Likewise.
5650 (define_cond_exec): New.
5652 2000-05-06 Richard Henderson <rth@cygnus.com>
5654 * c-decl.c: Include "tm_p.h".
5656 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5657 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5658 (ia64_expand_op_and_fetch): Declare.
5659 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5660 (setjmp_operand): Constify variables for XSTR.
5661 (ia64_encode_section_info): Likewise.
5662 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5664 (ia64_asm_output_external): Constify name.
5665 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5666 (process_for_unwind_directive): Provide switch default.
5667 (ia64_expand_compare_and_swap): Remove unused variables.
5668 (ia64_expand_builtin): Likewise.
5669 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5672 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5673 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5674 (shift_count_operand, shift_32bit_count_operand): Likewise.
5675 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5676 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5677 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5678 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5679 (ia64_expand_builtin): Likewise.
5680 (call_multiple_values_operation): Make dest_regno unsigned.
5682 2000-05-06 Richard Henderson <rth@cygnus.com>
5684 * rtl.def (DEFINE_COND_EXEC): New.
5685 * md.texi: Document it.
5687 * gensupport.c (input_file): Remove.
5688 (struct queue_elem): Add lineno.
5689 (rtx_ready_queue): Remove.
5691 (predicable_default): New.
5692 (predicable_true, predicable_false): New.
5693 (define_attr_queue, define_attr_tail): New.
5694 (define_insn_queue, define_insn_tail): New.
5695 (define_cond_exec_queue, define_cond_exec_tail): New.
5696 (other_queue, other_tail): New.
5697 (queue_pattern): New.
5698 (process_rtx): Add patterns to the appropriate queues.
5699 (is_predicable, identify_predicable_attribute): New.
5700 (n_alternatives, collect_insn_data): New.
5701 (alter_predicate_for_insn, alter_test_for_insn): New.
5702 (shift_output_template, alter_output_for_insn): New.
5703 (process_one_cond_exec, process_define_cond_exec): New.
5704 (init_md_reader): Read the entire file. Process define_cond_exec.
5705 (read_md_rtx): Return elements from the queues.
5707 2000-05-06 Richard Henderson <rth@cygnus.com>
5709 * flow.c (mark_set_1): Don't update conditional life info
5710 if the register is not_dead.
5712 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5714 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5715 (mostlyclean): Also delete fixincl, fixinc.sh, and
5716 specs.ready, and make clean in the fixinc subdir.
5718 2000-05-06 Richard Henderson <rth@cygnus.com>
5720 * Makefile.in (gensupport.o): Compile for the host.
5721 (host-prefix gensuuprt.o): Remove.
5722 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5723 (genattrtab.o): Likewise.
5724 (gencodes.o): Depend on gensupport.h.
5725 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5726 (genpeep.o, genattr.o, genoutput.o): Likewise.
5728 * gensupport.c (obstack, rtl_obstack): New.
5729 (init_md_reader): Initialize rtl_obstack.
5730 * gensupport.h (rtl_obstack): Declare.
5731 (message_with_line): Declare.
5733 * genattr.c: Remove all traces of obstack manipulation.
5734 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5735 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5737 * genattrtab.c (obstack, rtl_obstack): Remove.
5738 (main): Don't init rtl_obstack.
5739 * genflags.c: Likewise.
5741 * genrecog.c (message_with_line): Move ...
5742 * gensupport.c: ... here.
5744 2000-05-06 Richard Henderson <rth@cygnus.com>
5746 * c-typeck.c (build_c_cast): Remove dead code.
5748 2000-05-06 Richard Henderson <rth@cygnus.com>
5750 * flow.c (split_edge): Don't allocate global_live_at_start for
5751 the new block unless the old blocks had them as well.
5753 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5755 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5756 test_bb if a or b uses x.
5758 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5760 * cpphash.h: Remove conditional #define of __extension__.
5761 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5762 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5763 (ENABLE_RTL_CHECKING only).
5764 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5765 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5766 (ENABLE_TREE_CHECKING only).
5767 * varray.h: Add __extension__ to VARRAY_CHECK macro
5768 (ENABLE_CHECKING only).
5770 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5772 Use new tail-calling mechanism on ARM.
5773 * arm.md (sibcall, sibcall_value): New expands.
5774 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5775 (tailcalling peepholes): Delete.
5776 (push_multi): Simplify.
5777 * arm.c (lr_save_eliminated): Delete definition.
5778 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5779 (output_return_instruction): Remove checks on lr_save_eliminated.
5780 (output_arm_prologue): Remove old tail-calling code.
5781 (arm_output_epilogue): New parameter, really_return. All callers
5782 changed. Handle tail-calling epilogues.
5783 * arm.h (lr_save_eliminated): Delete declaration.
5784 (frame_pointer_needed): Delete declaration.
5785 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5787 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5789 * arm.c (thumb_code): Define it.
5790 (arm_override_options): Set it.
5791 * arm.h (thumb_code): Declare it.
5793 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5795 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5797 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5799 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5800 bogus clobber to insns.
5801 (load_multiple_operation, store_mulitple_operation): Don't check
5803 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5805 * arm.md (and_scc, ior_scc): Add missing mode.
5807 * arm.md (call_value_symbol): Remove predicate from op2.
5809 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5811 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5813 * expr.c (get_subtarget): New function.
5814 (force_operand, expand_expr, do_store_flag): Use it.
5816 * toplev.c (compile_file): Don't take strlen of NAME if null.
5818 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5820 * xcoffout.c (xcoff_current_include_file,
5821 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5822 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5824 (xcoffout_declare_function): Make name 'const char *'.
5825 (xcoffout_end_epilogue): Make fname 'const char *'
5826 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5827 xcoffout_declare_function, xcoffout_source_line): Match above.
5829 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5831 * rs6000.c (print_operand): Fix lossage typo.
5832 (output_cbranch): Remove "cr" decoration for now.
5833 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5835 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5837 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5840 2000-05-05 Bruce Korb <bkorb@gnu.org>
5842 * fixinc/genfixes: Improve the matching for make target names
5844 2000-05-05 Catherine Moore <clm@cygnus.com>
5846 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5847 attribute to the decl.
5848 * c-decl.c (pushdecl): Propagate the USED attribute to the
5851 2000-05-05 Richard Henderson <rth@cygnus.com>
5853 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5854 same way emit_group_load does.
5856 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5858 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5860 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5863 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5865 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5867 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5869 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5870 to support -shared, on platforms with dynamic libraries.
5872 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5874 * system.h (S_ISBLK): Provide fallback definition.
5876 2000-05-05 Geoff Berry <geoffb@bops.com>
5878 * extend.texi (Extended Asm): Document inability to give asm
5879 statements access to condition codes.
5881 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5883 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5884 as arg 2 of UNIQUE_SECTION.
5886 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5888 * predict.c: Remove May 4 change.
5889 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5890 if we have predicted the branch at 50-50 probability.
5892 2000-05-05 Richard Henderson <rth@cygnus.com>
5894 * flow.c (init_propagate_block_info): Fix merge error
5895 in HAVE_conditional_execution code.
5897 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5899 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5900 shift cycle for unknown shift count. Also generates dec + brpl.
5901 (ashlqi3_out): Don't generate dec + brpl which now generates by
5902 `out_shift_with_cnt'.
5903 (ashlhi3_out): Likewise.
5904 (ashlsi3_out): Likewise.
5905 (ashrqi3_out): Likewise.
5906 (ashrhi3_out): Likewise.
5907 (ashrsi3_out): Likewise.
5908 (lshrqi3_out): Likewise.
5909 (lshrhi3_out): Likewise.
5910 (lshrsi3_out): Likewise.
5912 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5914 * gcc.c (free_split_directories): Correct typo in explanation
5915 of make_relative_prefix.
5917 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5919 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5920 comparison codes to branch_comparison_operator.
5922 2000-05-04 Richard Henderson <rth@cygnus.com>
5924 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5926 2000-05-04 Richard Henderson <rth@cygnus.com>
5928 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5929 (DPBIT_FUNCS): Remove _sf_to_usi.
5930 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5932 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5933 between condition and jump.
5935 * libgcc2.c (near eh_context_specific): Comment #endif string.
5936 * longlong.h: Don't use strings with embedded newlines.
5938 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5940 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5941 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5942 (print_operand): Delete %t and %T codes.
5943 (output_cbranch): New function. Support branch prediction.
5944 * config/rs6000/rs6000.md: Use output_cbranch for
5945 conditional branches and returns.
5947 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5949 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5950 * stor-layout.c (place_field): Likewise.
5951 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5952 * expr.c (store_expr): Make align unsigned.
5953 * explow.c (plus_constant_wide): Make low words unsigned.
5954 * expmed.c (choose_multiplier): Likewise.
5955 * fold-const.c (fold): Likewise.
5956 * tree.h (build_int_2): Likewise.
5957 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5958 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5959 (init_emit): Change cast to unsigned char*.
5960 * varasm.c (compare_constant_1): Add cast to char*.
5961 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5962 * reload1.c (reload): Likewise.
5964 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5966 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5968 * predict.c (estimate_probability): If no prediction was found, then
5969 predict the successor that is the next physical block (if such a
5972 2000-05-04 Richard Henderson <rth@cygnus.com>
5974 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5976 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5978 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5980 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5982 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5983 attribute macros from here ...
5984 (CPP_SPEC): to here.
5985 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5986 (CPP_SPEC): Likewise.
5987 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5989 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5990 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5992 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5994 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5996 * diagnostic (vbuild_message_string, build_message_string,
5997 build_location_prefix, output_get_prefix, init_output_buffer,
5998 output_notice, vline_wrapper_message_with_location,
5999 v_message_with_decl, default_print_error_function): De-constify.
6000 (set_real_maximum_length): Prototype.
6002 * diagnostic.h (struct output_buffer, init_output_buffer,
6003 output_get_prefix, output_set_prefix): De-constify.
6005 * function.c (init_function_start): Constify.
6007 * gensupport.c (remove_constraints, process_rtx): Prototype.
6009 * gthr-posix.h: Indent uses of #pragma.
6011 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6014 * predict.c (find_expected_value): Delete prototype.
6015 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6017 * sbitmap.h (debug_sbitmap): Prototype.
6019 * ssa.c (compute_coalesced_reg_partition): Prototype.
6021 * stor-layout.c (debug_rli): Prototype.
6023 * tree.h (round_down): Prototype.
6024 (init_function_start): Constify.
6026 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6028 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6029 (overly conservative). Change extern inline wrappers to
6030 static inline, define them always, use PARAMS properly.
6031 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6032 whitespace warnings for \f and \v at the beginning of a line.
6034 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6036 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6039 2000-05-04 Bruce Korb <bkorb@gnu.org>
6041 * fixincl/inclhack.def: added broken_cabs -
6042 Remove `extern double cabs' declarations from math.h
6043 * fixincl/inclhack.sh: regen
6044 * fixincl/fixincl.x: regen
6045 * fixincl/fixincl.c: Remove BOGOSITY code
6046 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6048 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6050 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6052 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6053 when calling MEM_COPY_ATTRIBUTES.
6054 * emit-rtl.c (operand_subword, change_address): Likewise.
6055 * explow.c (stabilize): Likewise.
6056 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6057 * integrate.c (copy_rtx_and_substitute): Likewise.
6058 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6059 when calling MEM_COPY_ATTRIBUTES.
6060 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6062 * cse.c (gen_lowpart_if_possible): Likewise.
6063 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6064 * optabs.c (gen_move_insn): Likewise.
6065 * recog.c (validate_replace_rtx_1): Likewise.
6066 * simplify-rtx.c (add_mem_for_addr): Likewise.
6067 * stmt.c (expand_anon_union_decl): Likewise.
6068 * config/arm/arm.md: Likewise.
6069 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6070 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6071 (block_move_no_loop, block_move_sequence): Likewise.
6072 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6073 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6074 Clear MEM_ALIAS_SET.
6075 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6076 MEM_COPY_ATTRIBUTES.
6078 2000-05-03 Robert Lipe <robertlipe@usa.net>
6080 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6081 to suppress libgcc1.
6082 (i[34567]86-*-sco3.2v5*) Likewise.
6083 (i[34567]86-*-sco3.2v4*) Likewise.
6084 (i[34567]86-*-sco) Likewise.
6085 (i[34567]86-*-solaris2) Likewise.
6086 (i[34567]86-*-sysv5*) Likewise.
6087 (i[34567]86-*-sysv4*) Likewise.
6088 (i[34567]86-*-udk*) Likewise.
6089 (i[34567]86-*-sysv*) Likewise.
6091 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6093 * cpphash.h (U): New define, to correct type of string constants.
6094 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6095 routines, to do casts when passing unsigned strings to libc.
6096 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6098 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6099 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6100 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6101 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6102 second argument an U_CHAR *.
6104 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6105 length field, clean up initializer.
6106 (ISTABLE): Add __extension__ to designated-
6107 initializers version.
6108 * cpplex.c (CHARTAB): Likewise.
6110 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6111 case so the file won't be empty.
6113 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6115 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6116 (REORDER_BLOCK_SUCC): Removed.
6117 (enum reorder_skip_type): Removed.
6118 (skip_insns_between_block): Renamed to skip_insns_after_block.
6119 Removed second argument. Removed dead code and cleaned up.
6120 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6121 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6122 second parameter to skip_insns_after_block.
6124 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6126 * tree.c (staticp, case LABEL_DECL): New case.
6128 2000-05-03 Richard Henderson <rth@cygnus.com>
6130 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6132 * mklibgcc1.in: Fix typo last change.
6134 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6136 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6137 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6138 (GCC_CFLAGS): Use it.
6139 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6140 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6141 objc/Make-lang.in: Use it.
6143 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6145 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6147 2000-05-03 Richard Henderson <rth@cygnus.com>
6149 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6150 LIBGCC1 empty with libgcc1.null.
6152 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6154 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6157 2000-05-03 Greg McGary <gkm@gnu.org>
6159 * tree.h (tree_common): Add bounded_flag member. Remove
6160 inaccurate comment about number of remaining bits.
6161 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6162 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6163 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6164 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6165 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6166 (TYPE_QUAL_BOUNDED): New constant.
6167 (TYPE_QUALS): Handle bounded qualifier.
6168 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6169 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6170 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6171 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6172 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6173 (tree_type): Add pointer_depth member. Remove
6174 inaccurate comment about number of remaining bits.
6175 (DECL_POINTER_DEPTH): Add macro.
6176 (tree_decl): Add pointer_depth member.
6178 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6180 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6181 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6182 (lshrhi3_out): Likewise.
6183 (ashrsi3_out): bugfix in shift by 8.
6184 (test_hard_reg_class): New function.
6185 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6186 (ashlhi3): removed define_expand of this pattern.
6187 (*ashlhi3_insn): renamed to ashlhi3.
6188 (ashlsi3): removed define_expand of this pattern.
6189 (*ashlsi3_insn): renamed to ashlsi3.
6190 (ashrqi3): removed define_expand of this pattern.
6191 (*ashrqi3_insn): renamed to ashrqi3.
6192 (ashrhi3): removed define_expand of this pattern.
6193 (*ashrhi3_insn): renamed to ashrhi3.
6194 (ashrsi3): removed define_expand of this pattern.
6195 (*ashrsi3_insn): renamed to ashrsi3.
6196 (lshrhi3): removed define_expand of this pattern.
6197 (*lshrhi3_insn): renamed to lshrhi3.
6198 (lshrsi3): removed define_expand of this pattern.
6199 (*lshrsi3_insn): renamed to lshrsi3.
6201 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6203 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6204 inclusion of "system.h".
6206 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6208 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6211 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6213 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6214 if -mauto-pic is on.
6215 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6216 -mconstant-gp is in effect and function-descriptors are being used
6217 to make indirect calls.
6218 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6219 (MASK_AUTO_PIC): Ditto.
6220 (TARGET_CONST_GP): Ditto.
6221 (TARGET_AUTO_PIC): Ditto.
6222 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6223 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6224 -mno-pic is in effect.
6225 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6226 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6227 -mauto-pic is in effect.
6228 (gprel64_offset): New pattern.
6229 (load_gprel64): Ditto.
6230 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6231 -mconstant-gp is in effect, no need to preserve gp around direct
6233 (call_value): Ditto.
6234 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6235 (FUNCTION_PROFILER): Define.
6236 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6237 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6238 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6240 2000-05-03 Richard Henderson <rth@cygnus.com>
6242 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6243 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6244 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6245 (mklibgcc, libgcc.mk): New targets.
6246 (libgcc.a): Use libgcc.mk.
6247 (stmp-multilib): Likewise.
6248 (stmp-multilib-sub): Remove.
6249 (mostlyclean): Don't delete libgcc2 temp files.
6250 * configure.in (AC_PROG_CC_C_O): Add.
6251 (NO_MINUS_C_MINUS_O): Substitute it.
6252 (all_outputs): Add mklibgcc.
6253 * mklibgcc.in: New file.
6255 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6257 * cppexp.c (op_t): Make an int.
6259 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6261 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6263 * gensupport.c (process_rtx): Fix macros used.
6265 2000-05-03 Richard Henderson <rth@cygnus.com>
6267 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6268 call-clobbered registers of a call.
6270 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6272 * gensupport.c: New file.
6273 * gensupport.h: New file.
6274 * Makefile.in (HOST_RTL): Depend on gensupport.
6275 (gensupport.o) New rule.
6276 * genattr.c: Use gensupport for reading .md files.
6277 * genattrtab.c: Ditto.
6278 * gencodes.c: Ditto.
6279 * genconfig.c: Ditto.
6281 * genextract.c: Ditto.
6282 * genflags.c: Ditto.
6283 * genopinit.c: Ditto.
6284 * genoutput.c: Ditto.
6286 * genrecog.c: Ditto.
6287 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6288 * md.texi (Insn Splitting): Document define_insn_and_split.
6290 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6292 * flow.c (verify_flow_info): Added two more sanity checks. The
6293 first checks that the blocks are numbered consecutively. The second
6294 checks that n_basic_blocks is actually equal to the number of
6295 basic blocks in the insn chain.
6297 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6299 * cpplib.h: Add accessor macros for token lists.
6300 * cpplib.c, cpphash.c, cpplex.c: Use them.
6302 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6304 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6305 memory usage if not in a function.
6306 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6307 return address if static.
6309 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6311 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6312 whether address may trap.
6314 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6316 * bb-reorder (chain_reorder_blocks): Changed code to test for
6317 EDGE_FALLTHRU rather than making erroneous assumption that the
6318 first outgoing edge is the fall-through edge.
6320 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6322 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6323 ABI for varargs, across all MIPS. This is incompatible because the
6324 va_list (__builtin_va_list) structure is different, so a compilation
6325 unit passing a va_list and a compilation unit being passed one, should
6326 both be compiled with the same ABI. (The old structure had two
6327 pointers, now it has three.)
6329 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6331 * bb-reorder.c (struct reorder_block_def): Remove members end,
6332 block_begin, and block_end.
6333 (REORDER_BLOCK_OLD_END): Delete.
6334 (REORDER_BLOCK_BEGIN): Delete.
6335 (REORDER_BLOCK_END): Delete.
6336 (chain_reorder_blocks): Remove dead code.
6338 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6340 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6341 notes as the end of a basic block before deleting.
6343 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6345 * final.c (final_start_function): Fix spelling of "necessary".
6347 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6349 * toplev.c (debug_ignore_block): Return int.
6350 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6351 * toplev.h, dwarf2out.h: Adjust.
6352 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6354 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6355 * toplev.c, final.c, rtl.h: Adjust.
6357 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6359 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6360 * configure.in: Look for makeinfo in the unified tree, then
6361 for a system makeinfo which is sufficiently new.
6362 * Makefile.in: If configure says makeinfo is too old, don't
6363 build or install Info documentation.
6365 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6367 * cpphash.c (collect_params): Fix off-by-one error.
6368 (dump_hash_helper): Dump all four macro nodetypes.
6370 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6372 * cpphash.c (trad_stringify): Adjust p after stringification as
6375 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6377 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6378 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6380 * cppfiles.c (file_cleanup): Delete.
6381 * cpphash.c (macro_cleanup): Delete.
6382 (collect_objlike_expansion, collect_funlike_expansion,
6383 macarg, scan_arguments): Remove CPP_POP case.
6385 * cpplex.c (null_cleanup): Delete.
6386 (cpp_pop_buffer): Do the work that was done in the cleanups
6387 here. Call _cpp_unwind_if_stack from here.
6388 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6389 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6390 stack is the buffer _below_ the one we stacked.
6391 (cpp_get_token): Always pop an exhausted buffer. Return
6392 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6393 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6394 increment the line number.
6395 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6397 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6398 we see CPP_EOF and the top of stack is the buffer _below_ the
6400 * scan-decls.c: Likewise.
6402 2000-05-02 Andrew Haley <aph@cygnus.com>
6404 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6405 where this function is called for the second time on a decl that
6406 has had its section info changed in such a way as to move it out
6408 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6410 2000-05-01 Richard Henderson <rth@cygnus.com>
6412 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6413 the sequence we're moving, not to merge_bb->head.
6415 2000-05-01 Richard Henderson <rth@cygnus.com>
6417 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6418 reference to alpha/t-linux.
6419 (alpha*-*-linux-gnu*): Likewise.
6420 * configure: Rebuild.
6422 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6424 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6427 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6429 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6431 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6434 2000-05-01 Richard Henderson <rth@cygnus.com>
6436 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6437 emit_conditional_move.
6439 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6441 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6442 as the dynamic linker.
6444 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6446 * cppfiles.c (open_include_file): Open file in blocking mode.
6447 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6448 Only exclude block devices and directories.
6450 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6451 static. Allocate the hashnode and its string in the same
6453 (del_HASHNODE): Don't free h->name.
6454 (_cpp_lookup): If there is no entry for this string, create
6455 one, of type T_VOID.
6456 (_cpp_lookup_slot): Delete.
6457 * cpphash.h: Update prototypes.
6459 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6461 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6462 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6463 node here, just fill in the value field properly. "Delete"
6464 entries by setting the value field to T_VOID. Check for
6465 hp->type == T_VOID, not hp == NULL.
6467 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6468 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6471 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6473 * config/mn10300/mn10300.c (print_operand_address): Do not add
6476 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6477 adjusted by less than 256 bytes, use ret regardless of having any
6478 callee-saved register to restore.
6480 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6482 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6484 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6486 * config/i386/djgpp.h (INT_ASM_OP): Define.
6487 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6488 (ASM_WEAKEN_LABEL): Define.
6489 (MASK_BNU210): Define.
6490 (SUBTARGET_SWITCHES): Define.
6491 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6492 (MAKE_DECL_ONE_ONLY): Define.
6493 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6495 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6497 * i386/cygwin.h (INT_ASM_OP): Define.
6499 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6501 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6502 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6504 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6506 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6507 __tmp_reg__ and __zero_reg__ initialization.
6509 2000-04-30 Richard Henderson <rth@cygnus.com>
6511 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6513 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6514 referenced bewteen the condition and the jump. Don't delete
6515 anything but the jump.
6517 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6519 * bb-reorder.c (scope_def): New struct.
6520 (scope_forest_info): New struct.
6521 (struct reorder_block_def): New member "scope".
6522 (REORDER_BLOCK_SCOPE): New macro.
6523 (relate_bbs_with_scopes): New function and prototype.
6524 (make_new_scope): Likewise.
6525 (build_scope_forest): Likewise.
6526 (remove_scope_notes): Likewise.
6527 (insert_intra_1): Likewise.
6528 (insert_intra_bb_scope_notes): Likewise.
6529 (insert_inter_bb_scope_notes): Likewise.
6530 (rebuild_scope_notes): Likewise.
6531 (free_scope_forest_1): Likewise.
6532 (free_scope_forest): Likewise.
6533 (dump_scope_forest): Likewise.
6534 (dump_scope_forest_1): Likewise.
6535 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6536 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6538 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6539 and remove_scope_notes before reordering is done. Added calls to
6540 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6541 after reordering is done.
6543 2000-40-30 Bruce Korb <bkorb@gnu.org>
6545 * fixinc/inclhack.def: Added definitions needed by OSR5,
6546 removed two stale entries (defined away with OLD_CPP).
6547 * fixinc/inclhack.sh: regen
6548 * fixinc/fixincl.x: regen
6550 2000-04-30 Richard Henderson <rth@cygnus.com>
6552 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6553 from the last insn in the sequence.
6555 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6557 * cpplex.c (cpp_idcmp): New function.
6558 * cpplib.h: Prototype it.
6559 * scan_decls.c (scan_decls): Use it to inspect token names.
6560 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6561 the file being run through the preprocessor.
6562 (check_macro_names): Provide length of token to cpp_defined.
6564 * Makefile.in: Remove stale warning message.
6566 * cppfiles.c (redundant_include_p): Provide length of token to
6568 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6569 values are unsigned int.
6570 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6571 (_cpp_lookup_slot): Do not calculate the hash, either.
6572 * cpphash.h: Update prototypes.
6573 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6574 Hashes are unsigned int. Calculate hash here, pass by value
6575 to _cpp_lookup_slot.
6577 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6579 * simplify-rtx.c (check_value_useless): Delete function.
6580 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6582 (cselib_invalidate_regno): Likewise.
6583 (cselib_invalidate_mem_1): Likewise.
6584 (references_value_p): Recognize useless values by the fact that they
6586 (discard_useless_values): Likewise.
6587 (cselib_record_set): This may turn a useless value
6590 2000-04-30 Richard Henderson <rth@cygnus.com>
6592 * config/d30v: New port.
6594 * configure.in (d30v-*): Set fp format.
6595 * configure: Rebuild.
6597 2000-04-30 Richard Henderson <rth@cygnus.com>
6599 * ifcvt.c: New file.
6600 * Makefile.in (OBJS): Add it.
6601 (ifcvt.o): New target.
6602 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6603 and conditional arithmetic.
6604 (find_insert_position): Remove.
6605 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6606 * toplev.c (DFI_ce, DFI_ce2): New.
6607 (dump_file): Add ce and ce2 dumps.
6608 (rest_of_compilation): Run if_convert a couple o times. Set
6609 cse_not_expected after cse2. Don't set no_new_pseudos until
6610 after sched1 or recompute_reg_usage.
6612 2000-04-30 Richard Henderson <rth@cygnus.com>
6614 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6615 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6617 2000-04-30 Richard Henderson <rth@cygnus.com>
6619 * flow.c (struct reg_cond_life_info): New.
6620 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6621 (init_propagate_block_info): Initialize them.
6622 (free_propagate_block_info): Destruct them.
6623 (mark_set_1): Consider conditional life before killing a register.
6624 (mark_regno_cond_dead): New.
6625 (free_reg_cond_life_info): New.
6626 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6627 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6628 (mark_used_reg): Record conditional life.
6630 * haifa-sched.c (schedule_insns): Disable death counting
6631 sanity check for HAVE_conditional_execution.
6633 2000-04-30 Richard Henderson <rth@cygnus.com>
6635 * Makefile.in (TIMEVAR_H): New.
6636 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6637 (timevar.h): Remove rule.
6639 2000-04-29 Richard Henderson <rth@cygnus.com>
6641 * config/alpha/crtend.asm: Use C comments instead of #.
6642 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6644 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6646 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6648 * cpphash.h (enum node_type: Take out T_MCONST.
6649 (union hashval): Move into struct hashnode.
6650 (struct hashnode): Pack tighter. Remove file, line, col
6652 * cpphash.c: Constify most of the macro-definition structures.
6653 (struct definition): Replace by struct object_defn
6654 and struct funct_defn. Put file, line, column information
6655 here. All users updated to match.
6656 (_cpp_create_definition, _cpp_macroexpand): Remove special
6657 case for #define WORD OTHERWORD.
6658 * cpplib.c (do_undef): Remove T_MCONST case.
6660 * cpphash.h: Move struct reflist, struct definition, and the
6661 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6662 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6663 * cpphash.c (_cpp_free_definition): Free data pointed to by
6664 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6665 (_cpp_create_definition, del_HASHNODE): Just call
6666 _cpp_free_definition to clear out a hashnode.
6667 * cpplib.c (do_pragma_poison): Likewise.
6669 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6671 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6672 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6673 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6674 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6675 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6676 REGNO_AM33_P): Redefine in terms of the new macros.
6677 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6678 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6679 STRUCT_VALUE): Likewise.
6680 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6681 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6683 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6685 * regmove.c (struct record_stack_memrefs_data): New.
6686 (record_stack_memrefs): New function.
6687 (combine_stack_adjustments_for_block): Use it.
6689 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6691 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6692 use special_function_p to detect alloca.
6694 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6696 * gcc.texi: Fixes for makeinfo 4.0 --html.
6698 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6700 * pcp.h: Delete file.
6702 2000-04-28 Kazu Hirata <kazu@hxi.com>
6704 * h8300.c (function_epilogue): Clean up flags when the last insn
6705 in a function is a barrier.
6707 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6709 * configure.in (sparc-hal-solaris2*): protect [] glob from
6711 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6712 rather than hard-coded constants in target_cpu_default2.
6713 * configure: Regenerate.
6715 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6717 * tree.c (get_callee_fndecl): Extract the initial value from
6720 2000-04-28 Richard Henderson <rth@cygnus.com>
6722 * varasm.c (record_constant_1): Record the CODE_LABEL when
6723 taking the address of a LABEL_REF.
6725 2000-04-28 Richard Henderson <rth@cygnus.com>
6726 Jan Hubicka <jh@suse.cz>
6728 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6729 adjustment; don't do the stack adjust.
6730 (expand_call): Call compute_argument_block_size right before
6731 allocating the block; update comment; don't do alignment sanity
6732 checking for sibling call; use args_size instead of
6733 unadjusted_args_size before args_size is adjusted. Use
6734 combine_pending_stack_adjustment_and_call to compute stack adjust
6735 for must_preallocate case.
6737 * expr.c (push_block): Remove shadow `temp' in inner scope.
6739 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6741 * toplev.c (rest_of_compilation): Call
6742 note_deferral_of_defined_inline_function even if the function
6745 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6747 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6749 2000-04-28 Richard Henderson <rth@cygnus.com>
6751 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6753 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6755 * timevar.c (init_timevar): DeANSIfy function definition.
6757 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6759 * Makefile.in (timevar.o): Depend on flags.h.
6760 * timevar.c (unused_stack_instances): New variable.
6761 (timevar_push): Take a timevar_stack_def from
6762 unused_stack_instances if available.
6763 (timevar_pop): Push the popped timevar_stack_def onto
6764 unused_stack_instances.
6765 (TIMEVAR_ENABLE): New macro.
6766 (timevar_def): Make standalone a 1-bit field. Add field used.
6767 (get_time): Rename parameter to now. Return after clearing it if
6769 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6770 (timevar_pop): Likewise.
6771 (timevar_stop): Likewise.
6772 (timevar_push): Likewise. Mark the timing variable as used.
6773 (timevar_start): Likewise.
6774 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6775 timevars that were never used.
6777 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6779 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6780 always TREE_READONLY.
6782 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6784 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6785 for call instruction with mode QImode.
6787 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6789 * Makefile.in (OBJS): Add timevar.o.
6790 (toplev.o): Depend on timevar.h.
6791 (ggc-simple.o): Likewise.
6792 (ggc-page.o): Likewise.
6793 (timevar.o): New rule.
6794 (timevar.h): New rule.
6796 * timevar.h: New file.
6797 * timevar.c: Likewise.
6798 * timevar.def: Likewise.
6800 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6801 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6803 (TIMEVAR): Remove macro.
6804 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6805 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6806 flow_time, combine_time, regmove_time, sched_time,
6807 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6808 sched2_time, dbr_sched_time, reorder_blocks_time,
6809 rename_registers_time, shorten_branch_time, stack_reg_time,
6810 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6812 (compile_file): Don't initialize time variables. Call
6813 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6814 of many calls to print_time.
6815 (rest_of_compilation): Add timing for reload_cse_regs.
6816 (get_run_time): Removed to timevar.c.
6817 (print_time): Likewise.
6818 (get_run_time): Implement using TV_TOTAL time variable.
6819 (print_time): Get total run time from get_run_time.
6820 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6821 computing elapsed time explicitly.
6822 * ggc-simple.c (ggc_collect): Likewise.
6823 (gc_time): Remove declaration.
6825 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6827 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6828 (expand_call): Use it.
6830 2000-04-27 Jan Hubicka <jh@suse.cz>
6832 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6835 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6837 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6840 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6842 * function.c (epilogue_done): Pass whole insn to record_insns.
6844 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6846 * cse.c (CSE_ADDRESS_COST): Remove.
6847 (find_best_addr): Add new parameter "MODE", use address_cost instead
6849 (address_cost): New.
6850 (fold_rtx): Update call of find_best_addr.
6851 * rtl.h (address_cost): Declare.
6852 * loop.c (general_induction_var): Add new parameter "MODE", use
6853 address_cost instead of ADDRESS_COST
6854 (init_loop): Use address_cost instead of ADDRESS_COST.
6855 (check_insn_for_givs): Update call of general_induction_var.
6856 (find_mem_givs): Likewise.
6857 (consec_sets_giv): Likewise.
6858 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6859 * i386.c (ix86_address_cost): New.
6860 * i386-protos.h (ix86_address_cost): Declare.
6862 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6864 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6867 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6869 * expr.c (store_expr): Use clear_storage instead of direct memset
6872 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6874 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6875 ASHIFT, AND and LABEL_REF.
6877 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6879 * invoke.texi (-foptimize-sibling-calls): Fix.
6881 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6883 * loop.c (load_mems) Don't use hard registers for the hoisting.
6885 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6886 calculation; rename const_equiv array in the preconditioning code
6887 from loop_unroll to loop_unroll_precondition
6889 2000-04-27 Richard Henderson <rth@cygnus.com>
6891 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6893 (propagate_one_insn): Clear it. Don't update reg_live here.
6894 (init_propagate_block_info): Update for pbi member changes.
6895 (free_propagate_block_info): Likewise.
6896 (mark_set_1): Know that zero_extract, sign_extract, and
6897 strict_low_part don't kill their argument. Alter hard subregs.
6898 Update new_set for non-CLOBBER sets. Update reg_live.
6899 (find_auto_inc): Update reg_live, not new_dead.
6900 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6901 to determine if the reg in question was set this insn. Only update
6902 reg info with PROP_REG_INFO.
6904 2000-04-26 Richard Henderson <rth@cygnus.com>
6906 * flow.c (allocate_reg_life_data): Set max_regno here ...
6907 (life_analysis): ... not here.
6909 * flow.c (calculate_global_regs_live): Force stack pointer
6912 2000-04-26 Richard Henderson <rth@cygnus.com>
6914 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6915 commit change group changes.
6916 (invert_exp_1): Similarly.
6917 (redirect_exp, invert_exp): Use them.
6918 (redirect_jump_1): New.
6919 (invert_jump_1): New.
6920 (jump_optimize_1): Remove code subsumed by condexec.c.
6921 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6923 2000-04-26 Richard Henderson <rth@cygnus.com>
6925 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6927 * genconfig.c (main): Set all HAVE_foo to 1.
6929 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6931 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6933 * invoke.texi: Document -fssa flag.
6935 2000-04-26 Richard Henderson <rth@cygnus.com>
6937 * flow.c (count_reg_sets_1): Remove.
6938 (count_reg_sets, count_reg_references): Remove.
6939 (recompute_reg_usage): Implement with update_life_info.
6940 Reallocate life data.
6942 2000-04-26 Richard Henderson <rth@cygnus.com>
6944 * flow.c (update_life_info): Consider blocks null to mean the
6946 (calculate_global_regs_live): Likewise.
6947 (life_analysis): Do that instead of collecting all_blocks.
6949 2000-04-26 Richard Henderson <rth@cygnus.com>
6951 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6952 a still-valid conditional jump.
6954 2000-04-26 Richard Henderson <rth@cygnus.com>
6956 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6958 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6959 * flow.c (calculate_loop_depth): Remove.
6960 * output.h (calculate_loop_depth): Don't declare.
6961 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6962 inline; run estimate_probability at the same time.
6964 2000-04-26 Neil Booth <NeilB@earthling.net>
6966 * cpplib.h: "~=" is not a single pp-token.
6967 * cpplex.c: Correct commentary.
6969 2000-04-26 Richard Henderson <rth@cygnus.com>
6971 * flow.c (mark_set_1): New arguments code and flags; update all
6972 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6973 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6974 loop_depth when optimizing for size. Do new_dead update after
6975 emitting REG_UNUSED notes. Merge mark_set_reg code.
6976 (mark_set_reg): Remove.
6977 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6978 arrange to not emit REG_UNUSED notes.
6980 2000-04-26 Richard Henderson <rth@cygnus.com>
6982 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6983 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6985 2000-04-26 Richard Henderson <rth@cygnus.com>
6987 * flow.c (propagate_one_insn): Break out from propagate_block.
6988 (init_propagate_block_info): Likewise.
6989 (free_propagate_block_info): Likewise.
6990 (propagate_block): Use them. Export.
6991 * basic-block.h: Declare them all.
6993 2000-04-26 Richard Henderson <rth@cygnus.com>
6995 * basic-block.h (life_analysis): Declare here ...
6996 * output.h: ... not here.
6997 * flow.c (life_analysis): Remove nregs parameter; replace
6998 remove_dead_code with flags. Remove ssa dead code check.
6999 Only init alias analysis if we'll use it.
7000 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7001 * ssa.c (convert_to_ssa): Likewise.
7002 (convert_from_ssa): Likewise.
7003 * toplev.c (rest_of_compilation): Likewise.
7005 2000-04-26 Richard Henderson <rth@cygnus.com>
7007 * flow.c (flow_delete_block): Rename from delete_block. Export.
7008 * basic-block.h (flow_delete_block): Declare.
7010 2000-04-26 David S. Miller <davem@redhat.com>
7012 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7013 taking a PATTERN of it.
7015 2000-04-26 <NeilB@earthling.net>
7017 * cpplex.c (spell_other, spell_char): Remove.
7019 (token_spelling, trigraph_map): Use unsigned chars.
7020 (_cpp_lex_line): Tidy up the switch statement.
7021 * cpplib.h: Implement spell_char with spell_string.
7024 2000-04-26 <RodneyBrown@pmsc.com>
7026 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7027 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7029 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7031 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7032 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7033 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7034 dwarf2out_return_save, dwarf2out_return_reg,
7035 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7036 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7037 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7039 * dwarf2out.h (dwarf2out_init): Likewise.
7041 * dwarfout.c (filename_entry, primary_filename, last_filename,
7042 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7044 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7045 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7046 dwarf2out_return_reg): Likewise.
7048 2000-04-26 Andreas Jaeger <aj@suse.de>
7050 * extend.texi (Function Attributes): Fix description of pure
7053 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7055 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7056 before calling rest_of_compilation.
7058 2000-04-26 Andreas Jaeger <aj@suse.de>
7060 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7063 2000-04-25 Richard Henderson <rth@cygnus.com>
7065 * cse.c (cse_insn): Emit barrier after unconditional jump.
7067 * calls.c (expand_call): Disable tail call generation once
7068 rtx_equal_function_value_matters is false.
7070 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7073 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7075 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7077 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7079 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7080 is the primary DIE for a member function.
7081 (gen_decl_die): Call set_decl_origin_self here.
7082 * dwarfout.c (output_decl): And here.
7083 * integrate.c (output_inline_function): Not here.
7084 Don't clear DECL_INLINE until after calling rest_of_compilation.
7085 (set_decl_origin_self): No longer static.
7086 * tree.h: Add prototype.
7087 * toplev.c (note_deferral_of_defined_inline_function): Only write
7088 out abstract instance for actual inlines.
7090 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7092 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7093 EXTENDED_REGS only if TARGET_AM33.
7094 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7095 SP_REGS to register allocation and reloading unless absolutely
7097 (movsi3): Remove special-case of adding non-constants to SP.
7099 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7101 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7102 INCLUDES to search and does not provide any of its own. Also it
7103 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7104 parameters. Also it does not call AC_DEFINE.
7105 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7106 AC_DEFINE and provides for automatic entries for autoheader.
7107 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7109 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7110 so we can pass -I flags and include gansidecl.h/system.h in this
7113 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7115 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7117 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7118 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7119 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7121 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7122 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7123 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7124 for these macros. Clean up spacing and linewraps.
7126 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7128 * calls.c (expand_call): Use get_callee_fndecl.
7130 * print-tree.c (print_node): Print the chain of an _EXPR.
7132 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7133 Jim Wilson <wilson@cygnus.com>
7134 Andrew Haley <aph@cygnus.com>
7136 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7137 and gp save/restore problems.
7138 * config/ia64/crtend.asm: Add IA-64 unwind support.
7139 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7140 in fr_pad_size calculation.
7141 (save_restore_insns): Move PR save area. Correct uses of
7142 RTX_FRAME_RELATED_P.
7143 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7144 (ia64_expand_epilogue): Add eh_epilogue support.
7145 (ia64_function_prologue): Emit .prologue directive.
7146 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7147 (ia64_override_options): Set init_machine_status and
7148 mark_machine_status.
7149 (rtx_needs_barrier): Handle bsp reads and writes.
7150 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7151 New static variables.
7152 (process_set, process_for_unwind_directive): New functions.
7153 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7154 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7155 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7157 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7158 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7159 (struct machine_function): Define.
7160 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7162 2000-04-25 Bruce Korb <bkorb@gnu.org>
7164 * fixinc/Makefile.in: make the removal of old programs more
7166 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7167 install-bin and install-sh
7169 2000-04-25 Nick Clifton <nickc@cygnus.com>
7171 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7172 defined, define to return zero.
7173 (function_cannot_inline_p): If a function has any target
7174 specific attributes, then use the macro
7175 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7176 whether it can be inlined. If it cannot, issue a suitable
7179 * tm.texi: Add a new node 'Inlining' to document the new macro
7180 FUNCTION_ATTRIBUTE_INLINABLE_P.
7182 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7184 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7187 2000-04-25 Neil Booth <NeilB@earthling.net>
7189 Restore previous patch, plus the following fixes:
7191 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7192 flags, not CPP_OPEN_PAREN.
7193 * cpplex.c (expand_token_space, init_token_list,
7194 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7195 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7197 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7199 * config/i386/freebsd.h (INT_ASM_OP): Define.
7201 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7203 * loop.c (strength_reduce): Fix typo in the last checkin.
7205 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7207 * stor-layout.c (finalize_record_size): Simplify to use existing
7209 (compute_record_mode): No longer static.
7210 * tree.h (compute_record_mode): New declaration.
7212 2000-04-25 Neil Booth <NeilB@earthling.net>
7214 * Revert my patch below until cause of build failures
7217 2000-04-25 Richard Henderson <rth@cygnus.com>
7219 * combine.c (combine_instructions): Add missing argument
7222 * toplev.c (rest_of_compilation): Delay sibcall optimization
7223 until after emit_eh_context.
7225 2000-04-24 Nick Clifton <nickc@redhat.com>
7227 * combine.c (combine_instructions): Do not try to combine a
7228 sequence of insns when the second insn has been replaced by a
7231 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7233 * gcc.c (load_specs): New static function.
7234 (read_specs): Use it.
7236 * gcc.c (lookup_compiler): Make multiple passes for case
7237 insensitive filesystems.
7239 2000-04-24 Neil Booth <NeilB@earthling.net>
7241 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7242 * cpphash.h (_cpp_check_directive): new.
7243 * cpplex.c (handle_newline, cpp_free_token_list,
7244 init_trigraph_map, trigraph_ok, trigraph_replace,
7245 backslash_start, skip_block_comment, skip_line_comment,
7246 skip_whitespace, parse_name, parse_number, parse_string,
7247 copy_comment, _cpp_lex_line, spell_char, spell_string,
7248 spell_comment, spell_name, spell_other, _cpp_lex_file,
7249 _cpp_output_list): new.
7250 (expand_name_space): take length argument.
7251 (init_token_list): add comment list initialisation.
7252 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7253 instead of HSPACE_BEFORE.
7255 * cpplib.c (_cpp_check_directive): new
7256 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7257 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7258 (HSPACE_BEFORE): delete.
7259 (TTYPE_TABLE): rearrange.
7260 (struct cpp_toklist): update.
7262 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7264 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7265 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7266 argument form of AC_DEFINE.
7268 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7269 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7270 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7271 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7272 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7274 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7276 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7278 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7279 deduced.h): Use -isystem, not -I, for including system headers.
7281 2000-04-24 Nick Clifton <nickc@cygnus.com>
7283 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7284 the source register is the frame pointer or arg pointer.
7285 (addsi3_small_int): Disallow if source register is the frame
7286 pointer or arg pointer.
7288 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7290 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7291 call to AC_MSG_RESULT.
7293 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7295 * invoke.texi: Correct grammatical errors, document
7296 -fno-gnu-keywords as identical to -fno-asm for C++.
7298 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7300 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7301 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7302 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7303 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7304 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7306 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7307 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7308 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7309 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7312 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7314 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7315 (pop_alignment): Likewise.
7316 (handle_pragma_token): Likewise.
7318 2000-04-24 Robert Lipe <robertlipe@usa.net>
7320 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7322 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7324 * combine.c (try_combine): Update reg_nonzero_bits of
7325 newi2pat before newpat.
7327 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7329 * loop.c (strength_reduce): Simplify test to INSN_P.
7330 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7331 expressions instead of CONST_INT.
7332 (express_from_1): Likewise.
7334 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7336 * regs.h (reg_n_max): Don't declare.
7337 * flow.c (reg_n_max): Don't define.
7338 * regclass.c (renumber): Don't initialize to zero.
7339 (regno_allocated): Likewise.
7340 (reg_n_max): Define.
7341 (allocate_reg_info): Don't initialize unnecessarily.
7343 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7345 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7346 and blockage_p in the newly allocated attribute.
7348 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7350 * config/mn10300/mn10300.md (addsi): `inc4' on address
7351 registers does not modify cc, but `inc' on an extended
7354 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7356 * reload.c (find_equiv_reg): Checks all valueno regs
7357 as a reload_reg_p regs.
7359 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7361 * cpphash.c (collect_objlike_expansion): Add sanity check.
7362 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7363 the buffer is the empty string, return. Mark __DATE__ and
7364 __TIME__ as XCONST nodes, not MCONST.
7365 (_cpp_macroexpand): Avoid pushing an empty buffer.
7366 (funlike_macroexpand): Don't pop token_buffer here.
7368 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7370 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7371 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7372 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7373 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7374 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7375 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7376 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7378 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7380 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7383 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7385 * cpphash.h (struct definition): Move file, line, col members...
7386 (struct hashnode): ... here. Also add 'disabled' flag.
7387 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7388 T_IDENTITY. Remove T_DISABLED.
7391 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7392 (collect_expansion): Split into collect_objlike_expansion and
7393 collect_funlike_expansion.
7394 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7395 funlike_macroexpand.
7396 (_cpp_compare_defs): Rename compare_defs, make static.
7397 (_cpp_make_hashnode): Initialize hp->disabled.
7398 (macro_cleanup): Adjust for new token types. Clear
7400 (_cpp_create_definition): Move code here to determine what
7401 sort of macro it is, and code to check for redefinitions, from
7402 do_define. Implement a few simple cases without creating a
7404 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7405 Handle the simple cases.
7406 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7409 * cppinit.c (builtin_array): Change MCONST to XCONST
7411 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7412 fix check for disabled and function-like macros.
7413 * cpplib.c (do_define): Move most logic to
7414 _cpp_create_definition.
7415 (do_undef): Handle new special token types.
7417 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7419 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7420 of CONSTANT_P for mult_val; always use validate_change to update insn.
7422 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7424 * cpphash.c (trad_stringify, add_pat): New functions.
7425 (collect_expansion): Restore support for -traditional syntax.
7426 Use trad_stringify and add_pat.
7427 (_cpp_macroexpand): Restore support for -traditional semantics.
7428 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7429 get a COMMENT token.
7430 (_cpp_lex_token): Provide COMMENT tokens to caller if
7431 traditional and parsing_define_directive.
7432 (skip_comment): Warn about // comments if -Wtraditional.
7433 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7435 (do_undef): Don't warn about undefining EMPTY nodes.
7437 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7439 * loop.c (strength_reduce): Fix biv removal code.
7441 2000-04-22 Richard Henderson <rth@cygnus.com>
7443 * predict.c (estimate_probability): Examine both sides of
7444 a branch for no exits. Use 90% not 50% for predict taken.
7445 Reorg for one copy of note generation code.
7447 2000-04-22 Richard Henderson <rth@cygnus.com>
7449 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7451 2000-04-22 Richard Henderson <rth@cygnus.com>
7453 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7454 (output_clear): Likewise.
7455 (output_printf): Use va_copy.
7456 (vline_wrapper_message_with_location): Likewise.
7457 (v_message_with_decl): Likewise.
7458 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7459 * system.h (va_copy): Provide default implementation.
7461 2000-04-22 Richard Henderson <rth@cygnus.com>
7463 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7464 the collected condition is not a constant.
7466 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7468 * diagnostic.h: New file.
7470 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7472 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7473 various function prototypes.
7474 (diagnostic.h): #include.
7475 (struct output_buffer): Move into diagnostic.h.
7476 (get_output_prefix): Rename to output_get_prefix. Export.
7477 (init_output_buffer): Export. Break out. Ajust intialization.
7478 (output_space_left, output_append): Export.
7479 (output_newline): Rename to output_add_newline. Export.
7480 (output_clear): Nullify additional output_buffer fields.
7481 (output_puts): Rename to output_add_string. Export.
7482 (dump_output): Rename to output_flush_on. Export.
7483 (build_location_prefix): Constify return-type.
7484 (emit_output_prefix): Rename to output_emit_prefix. Export.
7485 (set_real_maximum_length): New function.
7486 (output_set_maximum_length): Ditto
7487 (output_clear): Ditto.
7488 (output_add_character): Ditto.
7489 (output_add_integer): Ditto.
7490 (output_add_space): Ditto.
7491 (output_format): Ditto.
7492 (output_printf): Adjust buffer initialization.
7493 (vline_wrapper_message_with_location): Ditto.
7494 (v_message_with_decl): Ditto. Adjust call to output_puts
7495 and get_output_prefix.
7496 (default_print_error_function): Adjust buffer intialization.
7498 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7500 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7503 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7505 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7508 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7510 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7511 accurate data about SP moves.
7513 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7515 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7516 aliases to AM33 registers.
7518 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7520 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7521 to all EXTENDED bitmaps.
7523 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7525 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7526 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7527 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7529 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7531 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7532 the operand is not constant.
7534 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7536 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7537 as a call-clobbered regs.
7539 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7541 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7543 * rtl.def: Update comment.
7544 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7545 * integrate.c (expand_inline_function): Likewise.
7546 * profile.c (branch_prob): Likewise.
7547 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7548 * print-rtl.c (print_rtx): Likewise.
7549 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7550 (reemit_notes): Likewise; also use enum insn_note.
7552 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7553 (place_field): Properly compute know and actual alignment.
7555 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7558 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7561 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7563 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7564 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7565 (collect_expansion): Rewrite to scan over a token list.
7566 Remove -traditional support.
7567 (collect_formal_parameters): Rename to collect_params; rewrite
7568 to scan over a token list.
7569 (_cpp_create_definition): Adjust to scan a token list.
7570 (_cpp_macroexpand): Remove -traditional support.
7571 (_cpp_compare_defs): Whitespace is now canonicalized.
7572 (comp_def_part): Delete function.
7574 * cpphash.h: Update prototypes.
7575 * cpplex.c (init_token_list): Don't set lineno if there is no
7577 (pedantic_whitespace): New function.
7578 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7579 consume a newline. Use pedantic_whitespace.
7580 (_cpp_lex_token): Remove support for -traditional macros.
7581 (_cpp_get_define_token): Delete.
7582 (_cpp_get_directive_token): Do the real work here. Use
7583 pedantic_whitespace.
7584 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7586 * cpplib.c (get_macro_name): Delete.
7587 (do_define): Read the entire line into pfile->directbuf, then
7588 feed the token list to _cpp_create_definition.
7589 * cpplib.h (HSPACE_BEFORE): new define.
7590 (struct cpp_reader): Add a toklist member, "directbuf".
7592 * predict.c (estimate_probability): New heuristic: if a jump
7593 branches around a block with no successors, predict it taken.
7594 Disentangle control flow.
7596 2000-04-20 Richard Henderson <rth@cygnus.com>
7598 * loop.c (emit_iv_add_mult): Revert last change.
7600 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7602 * cpplib.h (enum cpp_ttype): Add token types for all
7603 punctuators. Distinguish pp-numbers from valid C numbers.
7604 Give some tokens better names. Initialize from macro.
7605 (struct cpp_name, cpp_token, cpp_toklist): New data
7608 * cpplex.c (bump_column, expand_name_space,
7609 expand_token_space, init_token_list, cpp_output_list,
7610 _cpp_scan_line): New functions.
7611 (output_line_command): Add third argument, new line number.
7612 * cpphash.h: Update prototypes.
7613 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7616 2000-04-20 Richard Henderson <rth@cygnus.com>
7618 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7620 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7622 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7625 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7627 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7628 REG_EQUAL note explaining the calculated value.
7630 * calls.c (expand_call): Avoid unnecesary precalculation
7631 and outgoing parameters space guarding for sibling calls.
7632 (store_one_arg): Likewise.
7634 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7636 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7637 (rest_of_compilation): Write sibling dump file and account
7638 for time as jump time.
7639 * invoke.texi: Update documentation on dump flags.
7641 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7643 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7645 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7647 * cpphash.c (special_symbol): Represent an empty macro with
7648 "\r \r " not just "\r ".
7649 (_cpp_macroexpand): Correct condition for the foo ( ) special
7651 (unsafe_chars): Handle EOF as second argument.
7652 (push_macro_expansion): Simplify test for removing escape at
7653 end. Do not trim both escapes if there is no text in between.
7655 2000-04-19 Jim Blandy <jimb@redhat.com>
7657 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7658 of PTR_SIZE, when appropriate.
7660 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7662 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7663 (USE_ENUM_BITFIELDS): Fix typo.
7665 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7667 * stor-layout.c (place_field): Set rli->offset_align properly.
7669 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7671 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7672 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7673 PARM_BOUNDARY): Remove unnecessary casts.
7675 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7677 * calls.c (precompute_arguments): Remove must_preallocate and
7679 (expand_call): Update call of precompute_arguments.
7681 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7682 check_insn_for_givs): Break out from ...
7683 (strength_reduce) ... here; use for_every_insn_in_loop to call
7684 check_insn_for_givs.
7685 * loop.h (for_every_insn_in_loop): Declare.
7686 (loop_insn_callback): New type.
7688 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7690 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7693 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7695 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7698 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7700 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7702 * configure.in: Delete --disable-cpplib option and all
7703 references to cpp_main.
7704 * configure: Regenerate.
7705 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7706 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7707 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7708 cpp$(exeext). Add --no-headers to makeinfo command line when
7709 generating INSTALL. Install and uninstall cpp.1 manpage, not
7711 * install.texi: Delete all references to cexp.y/cexp.c.
7712 Delete ancient instructions for compiling GCC on 3b1.
7713 * INSTALL: Regenerate.
7715 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7716 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7717 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7719 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7720 which is no longer tested anywhere.
7722 * cppinit.c (handle_option): Don't run error message through
7725 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7727 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7728 * cpperror.c (hashtab.h): Now include.
7729 * cppexp.c (hashtab.h): Likewise.
7730 * cpplex.c (hashtab.h): Likewise.
7731 * cppfiles.c (hashtab.h): Likewise.
7732 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7733 to htab_find_slot_with_hash.
7734 * cpphash.c (hashtab.h): Now include.
7735 (_cpp_lookup_slot): INSERT is now enum insert_option.
7736 * cpphash.h (_cpp_lookup_slot): Likewise.
7737 * cppinit.c (hashtab.h): Include earlier.
7738 (initialize_builtins): Pass enum to htab_find_slot.
7739 * cpplib.c (hashtab.h): Now include.
7740 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7741 (do_pragma_poison, do_assert): Likewise.
7742 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7743 htab_find_slot_with_hash.
7744 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7745 * tree.c (type_hash_add): Likewise.
7746 (build1): Minor cleanup.
7748 * ggc-common.c: Add missing blanks.
7749 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7750 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7752 * stmt.c (mark_case_node): New function.
7753 (mark_case_nesting): Call it.
7755 * expmed.c (emit_store_flag): If comparing two-word integer
7756 with zero, can optimize NE, EQ, GE, and LT.
7758 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7759 * conflict.c: Minor cleanups.
7760 * optabs.c: Add blank line
7761 * simplify-rtx.c: Minor cleanups.
7763 2000-04-18 Stan Cox <scox@cygnus.com>
7765 * gengenrtl.c (genlegend): Fix misspelling.
7767 2000-04-18 Robert Lipe <robertlipe@usa.net>
7769 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7770 bitfields of the host compiler are not signed quantities.
7771 * config.in: Regenerate.
7772 * configure: Regenerate.
7773 * system.h (USE_ENUM_BITFIELDS): Added.
7774 (ENUM_BITFIELDS): Added.
7775 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7776 (SHORT_ENUM_BUG): Deleted.
7777 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7779 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7780 (CODE_FIELD_BUG): Likewise.
7781 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7783 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7785 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7787 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7790 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7792 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7793 * cpplib.c (do_include, do_import, do_include_next,
7794 read_line_number, detect_if_not_defined): Likewise.
7795 * cpphash.c (collect_expansion): Likewise.
7796 (special_symbol, _cpp_macroexpand): Check return from
7798 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7799 macros. Delete all uses.
7801 * gcc.dg/cpp-mi.c: Add two more test cases.
7802 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7804 2000-04-17 Richard Henderson <rth@cygnus.com>
7806 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7807 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7809 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7811 * function.c (expand_function_start): Use hard_function_value to
7812 compute the RTL to use for DECL_RESULT.
7814 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7816 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7817 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7818 x86_memory_mismatch_stall): New global variables.
7819 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7820 alloved; fix load penalties for Athlon.
7821 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7822 x86_memory_mismatch_stall): Declare.
7823 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7824 TARGET_MEMORY_MISMATCH_STALL): New.
7825 * i386.md (athlon scheduling parameters): Fix latencies according to
7826 Athlon Optimization Manual.
7827 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7829 (fsqrt instruction patterns): Set athlon_decode to direct.
7830 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7831 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7832 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7833 and TARGET_PARTIAL_REGISTER_STALL machines.
7834 (pushdf_nointeger): New pattern.
7835 (pushdf_integer): Rename from pushdf.
7836 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7837 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7839 2000-04-17 Richard Henderson <rth@cygnus.com>
7841 * loop.c (canonicalize_condition): Add WANT_REG argument.
7842 Stop the search if we match it.
7843 * expr.h (canonicalize_condition): Update decl.
7844 * predict.c (expected_value_to_br_prob): Use it. Track last
7845 expected value note.
7846 (find_expected_value): Remove.
7848 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7850 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7852 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7853 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7855 * configure.in: Call AC_FUNC_MMAP_FILE.
7856 * configure: Regenerate.
7857 * config.in: Regenerate.
7859 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7860 * fixinc/fixincl.c: Likewise.
7862 2000-04-17 Richard Henderson <rth@cygnus.com>
7864 * builtins.c (expand_builtin_expect): New.
7865 (expand_builtin): Call it.
7866 * builtins.def (BUILT_IN_EXPECT): New.
7867 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7868 * extend.texi: Document it.
7870 * predict.c (expected_value_to_br_prob): New.
7871 (find_expected_value): New.
7872 * basic-block.h (expected_value_to_br_prob): Declare.
7873 * toplev.c (rest_of_compilation): Invoke it.
7875 * rtl.h (NOTE_EXPECTED_VALUE): New.
7876 (NOTE_INSN_EXPECTED_VALUE): New.
7877 * rtl.c (note_insn_name): Update.
7878 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7879 cases; handle NOTE_INSN_EXPECTED_VALUE.
7881 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7883 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7884 leaf sibcall delay slot if flag_pic.
7885 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7887 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7889 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7891 * fixproto: If fix-header fails, exit with an error.
7893 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7895 * cse.c (struct check_depdendence_data): New.
7896 (check_dependence): New function.
7897 (invalidate): Use check_depdenence.
7899 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7901 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7902 UNITS_PER_WORD is unsigned.
7904 * tree.h (struct tree_common): Remove misleading comment.
7906 2000-04-16 Dave Pitts <dpitts@cozx.com>
7908 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7909 message in quotes. Otherwise, IBM's make program treats the '#' as the
7910 start of a comment and ignores the remainder of the line.
7912 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7914 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7915 * cexp.y (initialize_random_junk): Likewise.
7916 * cppfiles.c (find_include_file): Cast alloca return value.
7917 * cppinit.c (initialize_standard_includes): Likewise.
7918 * cpplib.c (cpp_define, cpp_undef): Likewise.
7919 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7920 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7921 * fold-const.c (CHARMASK): New.
7922 (real_hex_to_f): Use it.
7923 * real.c (CHARMASK): New.
7924 (etoasc, asctoeg): Use it.
7925 (asctoeg): EBCDIC lower case characters preceed upper case.
7927 * i370.c (mvs_add_label): Change spacing for coding conventions.
7928 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7929 outputing case vectors.
7930 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7931 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7932 since vector in in the data CSECT.
7933 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7934 * i370.md (Many patterns): Put the length in the XL directives.
7935 (movdi): Put back STM and MVC in definition.
7936 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7937 pattern using the TCA.
7938 * oe.h (CPP_SPEC): Added to allow trigraphs.
7939 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7940 not support the "long long" type.
7942 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7944 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7946 (mips_reg_mode_ok_for_base_p): Likewise.
7947 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7948 (REG_OK_FOR_INDEX_P): Define unconditionally.
7949 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7950 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7951 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7952 that GET_MODE_SIZE is unsigned.
7953 (mips_reg_mode_ok_for_base_p): Define.
7954 (mips_legitimate_address_p): Likewise. Adjust now
7955 that GET_MODE_SIZE is unsigned.
7956 (block_move_loop): Make the number of bytes unsigned.
7957 (expand_block_move): Likewise.
7958 (function_arg): Make the loop counter unsigned to match the
7961 2000-04-16 Richard Henderson <rth@cygnus.com>
7963 * rtl.h (enum insn_note): New enumeration. Subsume
7964 NOTE_INSN_DELETED and friends.
7965 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7966 * rtl.c (note_insn_name): Tweak string order.
7968 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7970 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7973 * cpplex.c (output_line_command): Remove debugging prints.
7974 (cpp_output_tokens): Don't write out a zero-length buffer or
7975 try to see if it has a newline in it.
7976 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7977 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7978 the end of the loop. Use memmove. Don't read past the end of
7979 the buffer. Remove trailing newlines from error messages.
7981 2004-04-16 Neil Booth <NeilB@earthling.net>
7983 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7984 * cpplib.c: Add new syntax flags to directive table, and
7987 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7989 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7992 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7994 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7995 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7997 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7999 * Makefile.in (ggc-page.o): Now includes toplev.h.
8000 * ggc-page.c (toplev.h): Now included.
8001 (gc_time): Remove declaration.
8002 (ggc_collect): TIME now long.
8003 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8005 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8007 * toplev.c: Make *_time variable long to reduce chance of overflow.
8008 (TIMEVAR): Likewise for `otime'.
8009 (print_time): Arg is now long; compute percentage in FP and round.
8010 * toplev.h (print_time): Arg is long.
8012 * tree.c: Minor whitespace changes.
8014 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8015 * configure: Rebuilt.
8016 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8017 (__fixunsxfDI): Renamed from __fixunsxfdi.
8018 (__fixunsdfDI): Renamed from __fixunsdfdi.
8019 (__fixunssfDI): Renamed from __fixunssfdi.
8020 (__floatdisf): Use proper type in REP_BIT macro.
8021 (__fixunsxfSI): Renamed from __fixunsxfsi.
8022 (__fixunsdfSI): Renamed from __fixunsdfsi.
8023 (__fixunssfSI): Renamed from __fixunssfsi.
8024 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8025 Change location of macros and upper-case some names as above.
8026 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8027 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8029 * varasm.c (assemble_variable): Add cast to remove warning.
8030 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8032 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8033 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8034 region number to -1.
8036 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8038 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8039 call unshare_all_rtl.
8041 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8043 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8045 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8046 Use .s1 not .s0 for all FP instructions.
8048 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8050 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8052 (safe_fwrite, output_line_command): New static functions.
8053 (cpp_expand_to_buffer): Now private to cpplib.
8054 (cpp_scan_buffer): Take a printer.
8056 * cpphash.h: Update prototypes.
8057 * cpplib.h: Update prototypes.
8059 (cpp_buffer): Remove last_nominal_fname.
8060 (cpp_reader): Remove lineno.
8062 * cppmain.c: Use a cpp_printer.
8063 * fix-header.c: No need to inhibit line commands. Call
8064 cpp_start_read with no printer.
8066 * cpperror.c (cpp_notice_from_errno): Provide default name.
8067 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8068 (find_include_file, cpp_read_file): Use make_IHASH.
8069 (file_cleanup): Set control_macro and clear
8070 input_stack_listing_current here.
8071 (_cpp_execute_include): Don't output entering-file marker.
8072 * cpphash.c (special_symbol): Look for the line number in the
8073 buffer, not the reader.
8074 (_cpp_macroexpand): No need to disable line commands.
8075 (_cpp_dump_definition): No need to generate line commands.
8076 (dump_hash_helper): Remove excess newline from output.
8077 * cppinit.c (dump_special_to_buffer): No need to generate line
8079 (cpp_printer_init): New.
8080 (cpp_start_read): Take a printer, and start it up if it's not
8081 NULL. No need to generate line commands.
8082 (cpp_finish): Expect no buffers stacked at all. Take a
8083 printer argument, and flush the output buffer if it's not
8085 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8086 Don't put two hashes at the beginning of an assertion.
8087 (cpp_get_token): Don't increment pfile->lineno or emit line
8088 commands here. Return EOF if there's no buffer when we get
8090 * cpplib.c (do_define, skip_if_group):
8091 No need to disable line commands.
8092 (_cpp_output_line_command): Delete function.
8093 (do_line): Don't emit line commands here, but set things up so
8094 they will be emitted if necessary. Use _cpp_fake_ihash to
8095 make unique nominal_fnames if necessary.
8096 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8097 with 0 for column, not -1.
8098 (_cpp_handle_eof): Don't set the control macro here. Don't
8099 clear input_stack_listing_current here. Don't emit line
8102 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8104 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8105 always, use the default SVR4 start address.
8107 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8108 (LINK_SHLIB_SPEC): Define.
8109 (LINK_START_DEFAULT_SPEC): Define.
8110 (LINK_OS_DEFAULT_SPEC): Define.
8112 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8114 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8115 __do_global_ctors to handle constructors.
8116 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8117 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8118 (STARTFILE_MVME_SPEC): Likewise.
8119 (STARTFILE_SIM_SPEC): Likewise.
8120 (ENDFILE_ADS_SPEC): Use crtend.
8121 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8122 (ENDFILE_MVME_SPEC): Likewise.
8123 (ENDFILE_SIM_SPEC): Likewise.
8124 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8125 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8126 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8127 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8128 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8129 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8130 (CRTSTUFF_T_CFLAGS_S): Define.
8131 * config/rs6000/eabi-ctors.c: Delete.
8133 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8136 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8140 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8142 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8143 plus mask size is smaller or equal to the mode size.
8145 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8147 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8150 * expr.c (reload.h): Now included.
8151 (emit_block_move): Set volatile_ok when checking for movstr.
8152 (emit_move_1): Check for replacements in addresses in multi-word case.
8153 * Makefile.in (expr.o): Now includes reload.h.
8155 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8156 Never have a LIBCALL end a basic block.
8157 (find_basic_blocks_1): Likewise.
8158 Reorganize CALL_INSN cases.
8160 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8162 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8164 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8165 completers from mov.ret instruction.
8167 2000-04-14 Richard Henderson <rth@cygnus.com>
8169 * fold-const.c (extract_muldiv): Don't distribute and widen
8170 multiply across plus for non-sizetype unsigned types.
8172 2000-04-14 Richard Henderson <rth@cygnus.com>
8174 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8175 If the original source is dead in the incr insn, it's dead now.
8177 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8179 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8180 see if DECL_BIT_FIELD needs to still be set.
8182 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8184 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8185 print_int_cst_octal with something that's not an INTEGER_CST.
8187 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8188 and not a SUBREG to a FLOAT rtl.
8190 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8192 * emit-rtl.c (try_split): Avoid infinite loop if the split
8193 results in a sequence that contains the original insn.
8195 2000-04-13 Andreas Jaeger <aj@suse.de>
8197 * config/mips/mips.c (expand_block_move): Pass alignment
8198 argument to move_by_pieces in bits, not bytes.
8200 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8201 __pic__ for little endian.
8203 2000-04-13 Andreas Jaeger <aj@suse.de>
8205 * config/i386/i386-protos.h: Add prototype for
8206 uno_comparison_operator.
8208 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8210 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8211 * calls.c (ECF_PURE): New flag.
8212 (emit_call_1): Handle ECF_PURE calls.
8213 (initialize_argument_information): Unset ECF_PURE flag too.
8214 (precompute_arguments): Precompute for ECF_PURE too.
8215 (expand_call): Handle ECF_PURE calls too.
8216 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8217 accept value of 2 as pure function.
8218 (emit_library_call_value, emit_library_call): Rename no_queue argument
8220 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8222 * tree.h (DECL_IS_PURE): New macro.
8223 (struct tree_decl): Add pure_flag.
8224 * c-common.c (enum attrs): Add attribute "pure".
8225 (init_attributes): Initialize attribute "pure"
8226 (decl_attributes): Handle attribute "pure".
8227 * extend.texi (Attribute "pure"): Document.
8228 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8230 (flags_from_decl_or_type): Support attribute "pure".
8232 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8234 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8235 the token except for numbers and identifiers.
8237 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8239 * i386.c (ix86_expand_binary_operator,
8240 ix86_expand_unary_operator): Check no_new_pseudos
8241 instead of reload_in_progress and reload_completed.
8242 (ix86_split_ashldi, ix86_split_ashrdi,
8243 ix86_split_lshrdi): Check no_new_pseudos instead
8244 of reload_completed.
8246 2000-04-12 Jeffrey A Law (law@cygnus.com)
8248 * function.c (purge_addressof): Unshare any shared rtl created by
8249 purge_addressof and its children.
8251 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8253 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8256 2000-04-05 Andreas Jaeger <aj@suse.de>
8258 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8259 not compiling PIC code, add flags for mabi=64.
8260 (SUBTARGET_CPP_SIZE_SPEC): New.
8261 (SUBTARGET_CPP_SPEC): New.
8262 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8263 for MIPS/Linux and lots of code needs these defines.
8265 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8267 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8268 trying the "opposite arithmetic" approach.
8270 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8272 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8273 (struct sh_args): Add new field force_mem.
8274 (INIT_CUMULATIVE_ARGS): Initialize it.
8275 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8277 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8279 * calls.c (expand_call): Do not reverse args in "equal from" field.
8280 (emit_library_call_value_1): Emit_libcall_block for const and pure
8283 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8285 * reload1.c (reload_combine): Don't enable optimization for fixed
8286 registers when encountering a BARRIER.
8288 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8290 * builtins.c (expand_builtin_memcmp): Do expansion even with
8291 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8293 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8294 stack is propertly aligned; add sanity checking for aligned
8296 (expand_library_call_value_1): Add sanity checking for aligned
8299 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8301 * calls.c (emit_library_call_value_1): Change 3rd arg to
8302 locate_and_pad_parm to disregard the setting of partial.
8304 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8306 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8308 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8309 CALL_INSN from the normal case.
8311 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8313 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8314 New global variables.
8315 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8317 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8319 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8320 TARGET_ADD_ESP_8): New macros.
8321 * i386.md: Add peep2s to convert esp adjustments to push and pop
8323 (pushsi_prologue, popsi_epilogue): New patterns.
8325 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8327 * real.c (toe64): Remove stale #endif from the last change.
8329 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8331 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8332 * real.c (toe64): Revert previous change.
8334 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8336 * objc/objc-act.c: Include ggc.h.
8337 (objc_tree_index, objc_global_trees): Convert most of the
8338 static tree variables into a static array with previous names
8340 (objc_ellipsis_node): New variable.
8341 (lang_init): Call objc_act_parse_init and c_parse_init.
8342 Create objc_ellipsis_node.
8343 (build_selector_translation_table): Use objc_ellipsis_node instead
8345 (hack_method_prototype): Likewise.
8346 (get_arg_type_list): Likewise.
8347 (start_method_def): Likewise.
8348 (continue_method_def): Likewise.
8349 (gen_method_decl): Likewise.
8350 (ggc_mark_imp_list): New function.
8351 (ggc_mark_hash_table): New function.
8352 (objc_act_parse_init): New function.
8353 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8354 * c-parse.in (c_parse_init): For objc add roots of objc specific
8355 local tree variables.
8356 * objc/objc-parse.y: Rebuilt.
8357 * objc/objc-parse.c: Rebuilt.
8358 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8360 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8362 * cse.c (delete_trivially_dead_insns): Also delete insns
8363 that copy a register to itself where the destination is
8366 2000-04-11 Richard Henderson <rth@cygnus.com>
8368 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8369 (propagate_block): Initialize them. Use them in parallel instead
8370 of one tmp variable, ie revert much of the 0408 and 0407 functional
8371 changes, but keep the structural changes.
8372 (mark_set_regs): Take new_dead from propagate_block_info instead.
8373 (mark_set_1, mark_set_reg): Likewise.
8374 (mark_used_regs): Likewise with new_live.
8375 (mark_used_reg): Likewise. Revert 0408 change.
8377 2000-04-11 Nick Clifton <nickc@cygnus.com>
8379 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8381 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8383 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8385 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8386 const section to output a CONSTRUCTOR based on the same conditions
8389 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8391 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8392 * pa/pa-protos.h (output_call): Add additional argument indicating
8393 if the call is a sibling/tail call.
8394 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8395 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8396 (function_arg, function_arg_partial_nregs): Likewise
8397 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8398 (emit_move_sequence): Zero extend certain constants as needed
8400 (compute_zdepdi_operands, output_64bit_and): New functions.
8401 (output_64bit_ior, function_arg): Likewise.
8402 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8403 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8404 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8405 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8406 (output_bvb): Likewise.
8407 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8408 (output_call): New argument 'sibcall'. Generate sibcall sequences
8410 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8411 (ouput_arg_descriptor): Do not emit argument descriptors for
8413 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8415 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8416 (FUNCTION_OK_FOR_SIBALL): Define.
8417 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8418 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8419 (CPP_SPEC): Use new spec infrastructure.
8420 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8421 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8422 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8423 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8424 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8425 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8426 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8427 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8428 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8429 (FUNCTION_ARG); Call out to C code.
8430 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8431 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8432 (MIN_UNITS_PER_WORD): Likewise.
8433 * pa/pa.md (cmpdi): New expander.
8434 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8435 (64bit conditional arithmetic): New patterns.
8436 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8437 (movsicc): Not available if modes on all the operands to not match.
8438 (movdicc): New expander and associated patterns.
8439 (64bit branches): New patterns.
8440 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8441 (pre_ldd, post_std): New patterns.
8442 (64bit addil, load low part): New patterns.
8443 (special movsf constant): Not available for TARGET_64BIT.
8444 (movsf, movdf expanders): Force constants into memory.
8445 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8446 (64bit movdf/movdi patterns): New patterns.
8447 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8449 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8450 (adddi3 expander): Allow "arith_operand" for second input.
8451 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8452 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8453 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8454 (muldi3): New expander for TARGET_64BIT.
8455 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8457 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8458 patterns for TARGET_64BIT.
8459 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8460 patterns for TARGET_64BIT.
8461 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8462 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8463 (sibcall_epilogue): New expander.
8464 (casesi): Tweak for TARGET_64BIT.
8465 (call expanders): Set & use the outgoing argument pointer. Use the
8466 64bit call patterns as needed. Add additional arg to output_call.
8467 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8468 (sibcall, sibcall_internal_symref): New expanders.
8469 (sibcall_value, sibcall_value_internal_symref
8470 (interspace_jump): Turn into an expander + matching patterns.
8471 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8472 * pa/pa64-regs.h: Eliminate trigraph sequences.
8473 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8475 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8477 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8478 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8479 cpp_token with cpp_ttype everywhere.
8480 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8481 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8482 CPP_BUF_COL. Line and column numbers are unsigned int, not
8484 * cpplex.c (cpp_buf_line_and_col): Delete.
8485 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8486 'long lineno' to 'unsigned int lineno'.
8487 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8489 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8491 * extend.texi: ISO C99 is not a draft anymore.
8492 * invoke.texi: ISO C++ is not a draft anymore.
8493 * cpp.texi: __cplusplus is required by the ISO standard.
8495 * extend.texi (-fthis-is-variable): Undocument.
8496 * flags.h (warn_template_debugging): Remove declaration.
8497 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8498 -Wenum-clash, -Wtemplate-debugging): Undocument.
8500 2000-04-10 Nick Clifton <nickc@cygnus.com>
8502 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8504 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8506 (ARM_SIGN_EXTEND): Use HOST_UINT.
8507 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8508 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8509 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8510 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8512 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8513 (arm_gen_constant): Use HOST_UINT.
8514 (arm_canonicalize_constant): Use HOST_UINT.
8515 (arm_reload_in_hi): Use HOST_UINT.
8516 (arm_reload_out_hi): Use HOST_UINT.
8517 (output_multi_immediate): Use HOST_UINT.
8518 (int_log2): Use HOST_UINT.
8519 (arm_poke_function_name): Use HOST_UINT.
8520 (arm_output_epilogue): Use arm_volatile_func().
8521 (output_thumb_prologue): Use arm_strip_name_encoding().
8523 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8525 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8526 of sequence point problems.
8528 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8530 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8532 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8534 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8536 * sbitmap.h: Whitespace changes and use upper-case macro args.
8537 (struct simple_bitmap_def): All sizes now unsigned.
8538 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8539 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8540 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8541 (sbitmap_zero): Cast bzero arg to PTR.
8542 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8543 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8544 loop to make structure clearer.
8545 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8546 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8547 (sbitmap_a_and_b_or_c): Likewise.
8548 (sbitmap_intersection_of_succs): Minor cleanups.
8549 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8550 (sbitmap_union_of_preds): Likewise.
8551 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8552 (debug_sbitmap): New function.
8554 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8555 * c-typeck.c (convert_for_assignment): Likewise.
8557 * expmed.c (init_expmed): Don't free objects we make.
8558 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8560 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8561 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8563 * gcse.c (expr_hash_table_size): Now unsigned.
8564 (compute_ae_gen): Local variable `i' now unsigned.
8565 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8566 (compute_transout, hoist_code): Likewise.
8567 (compute_local_properties): Likewise, also hash_table_size.
8568 (alloc_expr_hash_table): N_INSNS now unsigned.
8569 (delete_null_pointer_checks): Mark arg F as unused.
8571 * regrename.c: Minor cleanups, including chang some variables
8574 2000-04-10 Neil Booth <NeilB@earthling.net>
8576 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8578 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8580 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8582 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8583 __classof__, and __headof__ from the list of gnu keywords.
8584 (-ansi): Remove -foperator-names from list of implied options.
8585 Do not call it ANSI C++.
8586 (-foperator-names): Document as -fno-operator-names.
8588 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8590 * cpphash.c (timestamp): Delete.
8591 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8592 (special_symbol): Remove unnecessary braces. Remove
8593 T_VERSION. Treat T_STDC like T_CONST unless
8594 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8595 when one is encountered, then convert them into T_MCONST
8597 * cppinit.c (builtin_array): version_string is T_MCONST.
8598 __STDC__ has a "1" in its cpval. Don't have a terminator
8599 entry. Clean up which entries are dumped.
8600 (initialize_builtins): Only __STDC__ gets the special
8601 -traditional treatment. Count the length of builtin_array.
8602 Render version_string here.
8603 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8604 * cpplib.h (struct cpp_reader): Remove timebuf.
8606 2000-04-09 Richard Henderson <rth@cygnus.com>
8608 * genrecog.c (pred): Update comparison_operator for the unordered
8611 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8613 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8614 (uno_comparison_operator): New.
8615 (put_condition_code): Handle UNORDERED/ORDERED.
8616 (unsigned_comparison): Likewise.
8617 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8618 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8619 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8620 update all callers. Handle all 8 unordered operators.
8621 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8622 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8623 * config/i386/i386.h (PREDICATE_CODES): Update.
8624 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8625 (ix86_expand_branch, ix86_expand_setcc): Update.
8626 * config/i386/i386.md (sunordered, sordered): New.
8627 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8628 (bunordered, bordered): New.
8629 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8630 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8631 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8633 2000-04-09 Philip Blundell <philb@gnu.org>
8635 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8637 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8639 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8640 fix_truncxfhi2): New patterns.
8641 * i386.c (output_fix_trunc): Handle converting to HImode.
8643 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8645 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8647 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8648 (for_each_successor_phi): Change parameter to basic_block.
8649 (coalesce_regs_in_successor_phi_nodes): Likewise.
8650 (coalesce_regs_in_copies): Likewise.
8651 (compute_coalesced_reg_partition): Use basic_block instead of index.
8652 * rtl.h (convert_to_ssa): Delete.
8653 (convert_from_ssa): Likewise.
8654 (successor_phi_fn): Likewise.
8655 (for_each_successor_phi): Likewise.
8656 (in_ssa_form): Likewise.
8657 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8658 (convert_from_ssa): Likewise.
8659 (successor_phi_fn): Likewise.
8660 (in_ssa_form): Likewise.
8661 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8662 * flow.c (calculate_global_regs_live): Pass a basic_block to
8663 for_each_successor_phi.
8665 2000-04-08 Richard Henderson <rth@cygnus.com>
8667 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8668 was modified in the current insn.
8670 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8672 * arm/thumb.md: Delete.
8673 * arm/thumb-protos.h: Delete.
8675 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8677 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8679 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8681 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8684 * arm.md (nop): Use the standard RTL expression. Don't code as a
8686 (*arm_nop, *thumb_nop): Delete.
8688 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8689 constants. Use casts instead.
8690 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8691 output_multi_immediate, arm_poke_function_name): Likewise.
8692 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8693 MASK_RETURN_ADDDR): Likewise.
8695 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8697 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8700 * arm.md (eh_epilogue): New function.
8701 * arm.h (struct machine_function): Move to here ...
8702 * arm.c: ... from here.
8703 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8704 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8705 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8707 2000-03-30 Nick Clifton <nickc@cygnus.com>
8709 * config/arm/semi.h (ASM_SPEC): Restore definition.
8710 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8712 * config/arm/elf.h (ASM_SPEC): Restore definition.
8713 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8715 * config/arm/arm.h (ASM_SPEC): Remove definition.
8716 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8718 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8720 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8722 2000-03-24 Nick Clifton <nickc@cygnus.com>
8724 Various formating tidyups, elimination of compile time
8725 warnings and synchronisation with internal sources:
8727 * config/arm/arm-protos.h (assemble_align): Add prototype.
8728 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8729 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8730 (arm_return_addr_rtx): Rename to arm_return_addr.
8732 * config/arm/arm.c: Include except.h.
8733 Define shorter typenames for strict minipool_node and struct
8735 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8737 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8738 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8740 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8742 (ASM_SPEC): Define if not already defined.
8743 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8745 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8746 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8747 arm_gen_compare_reg.
8748 (indirect_jump): Only accept register operands.
8749 (load_indirect_jump): Keep this pattern since combine can generate
8752 * config/arm/coff.h: Include aout.h.
8753 (MULTILIB_DEFAULTS): Only define if not already defined.
8755 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8756 into arm.h (so that COFF ports can support thumb based aliases).
8757 (ASM_SPEC): Move definition into arm.h
8759 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8760 redundant apcs spec.
8761 (ASM_SPEC): Move definition to arm.h
8763 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8765 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8766 for entries in the .bss section
8768 2000-03-23 Nick Clifton <nickc@cygnus.com>
8770 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8771 to thumb_far_jump_used_p.
8773 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8774 single integer parameter.
8776 * config/arm/arm.c (struct machine_function): Add two new
8777 fields, 'far_jump_used' and 'arg_pointer_live'.
8778 (thumb_far_jump_used_p): Once the decision has been made that
8779 far jumps might be used, always return true.
8780 If being called from the initial elimination offset macro then
8781 do not bother to perform the test if the arg pointer is not
8783 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8784 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8786 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8788 * arm.c (output_return_instruction): Handle more cases where we can
8789 return from a function with an ldr instruction.
8790 (arm_output_epilogue): Likewise.
8792 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8793 if we need to push a large stack frame and there are no callee-saved
8796 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8797 in ARM code if the frame pointer has been eliminated.
8799 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8800 unspec_volatile arguments to avoid duplicates.
8801 (consttable_1, consttable_2): Fixes for big-endian mode.
8803 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8806 Re-write constant pool code.
8807 * arm.c (minipool_node, minipool_fix): New types.
8808 (minifix): Delete type.
8809 (arm_add_minipool_constant): Delete.
8810 (arm_compute_minipool_offsets, arm_find_barrier,
8811 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8812 (get_jump_table_size): Now returns HOST_WIDE_INT.
8813 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8815 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8816 (assign_minipool_offsets, arm_print_value): Likewise.
8817 (dump_minipool): Rewrite.
8818 (arm_barrier_cost): New function.
8819 (create_fix_barrier): New function.
8820 (push_minipool_barrier): New function.
8821 (push_minipool_fix): Record additional information about the fixup
8823 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8824 check the mode of what needs fixing.
8825 (arm_reorg): Rewrite.
8827 2000-03-08 Nick Clifton <nickc@cygnus.com>
8829 * config/arm/arm.md (indirect_jump): Force constant addresses into
8832 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8834 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8836 2000-02-24 Nick Clifton <nickc@cygnus.com>
8838 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8839 adjust is word aligned.
8840 (thumb_expand_epilogue): Make sure that stack adjust is word
8843 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8845 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8847 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8848 pointer relative addresses.
8850 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8852 * arm.c (find_barrier): Find the last barrier within the allowed
8855 2000-02-09 Nick Clifton <nickc@cygnus.com>
8857 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8859 2000-02-09 Nick Clifton <nickc@cygnus.com>
8861 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8862 ARM_FUNCTION_PROFILER.
8864 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8865 ARM_FUNCTION_PROFILER.
8867 * config/arm/linux-oldld.h: Imported from mainline sources.
8869 2000-02-07 Nick Clifton <nickc@cygnus.com>
8871 * config/arm/lib1funcs.asm: Merge in thumb functions from
8874 * config/arm/lib1thumb.asm: Delete.
8876 2000-02-04 Nick Clifton <nickc@cygnus.com>
8878 * config/arm/arm.c: Sychronised with current Red hat local
8880 * config/arm/arm.h: Ditto.
8881 * config/arm/arm-protos.h: Ditto.
8883 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8885 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8887 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8890 2000-02-02 Nick Clifton <nickc@cygnus.com>
8892 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8894 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8895 (return) was emited using an emit_insn() call.
8897 2000-01-31 Nick Clifton <nickc@cygnus.com>
8899 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8901 (thumb_exit): Move frame pointer back into hard frame pointer
8902 register if backtracing is being used.
8904 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8906 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8909 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8911 * config/arm/arm.md (neg_pool_offset): Provide default for new
8913 (arm_movsi_insn): Add neg_pool_offset attribute.
8914 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8915 rtx for the insn that starts the scan and an unsigned long for its
8916 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8917 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8918 instructions in *PINSERTED.
8919 (struct minipool_fixup): Add MIN_ADDRESS elt.
8920 (sort_fixups): Compute it.
8921 (arm_reorg): Changes to support inserting pools before the insn to be
8924 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8926 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8927 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8928 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8930 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8932 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8934 (TARGET_DEFAULT): Do not define if already defined.
8936 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8938 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8939 (iordi3): Allow disjoint source operands.
8940 (xordi3): Allow disjoint source operands.
8941 (negdi2): Permit construction for ARM and Thumb.
8942 (arm_negdi2): Renamed version of old negdi2 pattern.
8943 (thumb_negdi2): New pattern: Only permit non-overlapping
8944 source and destination.
8946 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8948 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8949 scratch low register so that it will not be deleted.
8951 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8953 * config/arm/pe.h (ARM_PE): Define.
8955 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8956 interfacearm attribute if this is a PE toolchain.
8957 (output_return_instruction): Do not emit anything if the function
8958 has the naked attribute set.
8959 (is_called_in_ARM_mode): If the function has the interfacearm
8960 attribute then return true.
8961 (thumb_expand_prologue): Do not generate a prologue for naked
8963 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8965 (output_thumb_prologue): Do not bother if the function is naked.
8966 Strip PE encoding from function name before emitting.
8968 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8970 * arm.md (pic_load_addr): Fix constraints.
8972 * arm.md (casesi_insn): Fix mis-applied patch.
8974 * arm.md ("core" function unit): Add rules for single- and
8976 (All TARGET_THUMB patterns): Add "type" attribute information
8978 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8979 the following insn is a CALL.
8981 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8983 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8984 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8985 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8987 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8989 * config/arm/linux-gas.h: oops - this file was missed out when the
8990 branch was created...
8992 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8994 * thumb.c: Deleted. Move contents to ...
8996 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8998 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9001 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9002 declare a prototype for asm_output_align();
9004 * arm.c (thumb_condition_code): Delete.
9005 (arm_print_operand): Always use arm_condition_code array.
9007 * arm.c (thumb_return_addr_rtx): Delete.
9008 (arm_save_machine_status, arm_restore_machine_status): Delete.
9009 (arm_init_machine_status, arm_mark_machine_status): New functions.
9010 (arm_init_expanders): Update accordingly.
9011 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9012 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9013 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9015 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9017 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9019 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9022 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9024 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9025 stack backtrace structure.
9027 * config/arm/arm-protos.h: Add prototypes for functions defined in
9030 * config/arm/arm.c (arm_override_options): Fix selection of
9031 attributes of default processor.
9033 * config/arm/coff.h: Delete needless #include.
9035 * config/arm/pe.c: Delete unused code.
9037 * config/arm/pe.h (CPP_DEFINES): Delete
9038 (SUBTARGET_CPP_SPEC): Define.
9039 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9041 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9043 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9045 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9047 (CAN_DEBUG_WITHOUT_FP): Define.
9048 (FIXED_REGISTERS): Make r11 call-saved.
9049 (CALL_USED_REGISTERS): Likewise.
9050 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9051 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9052 frame-pointer is required.
9053 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9054 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9055 if the target normally needs a stack frame in non-leaf functions.
9056 (use_return_insn): Correct logic for determining when a return
9057 instruction can be used.
9058 (output_return_instruction): Handle the frame-pointer register as
9059 a normal register when not TARGET_APCS_FRAME.
9060 (arm_output_prologue): Likewise.
9061 (arm_output_epilogue): Likewise.
9062 (output_func_epilogue): Likewise.
9063 (arm_expand_prologue): Likewise.
9064 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9066 * arm.c (use_return_insn): No need to check floating point regs if
9068 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9069 the code of value stored in the minipool array.
9070 (arm_add_minipool_constant): Likewise.
9072 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9074 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9076 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9078 * tree.c (tree_expr_nonnegative_p): New function.
9080 * tree.h (tree_expr_nonnegative_p): Declare.
9082 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9083 elide some sign_compare warnings.
9084 (build_conditional_expr): Likewise.
9086 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9088 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9090 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9091 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9092 operand. Abort if a 387 operand has an unsupported size.
9094 2000-04-08 Neil Booth <NeilB@earthling.net>
9096 * cppexp.c (parse_charconst): Null does not end character
9098 * cppinit.c (ISTABLE): Null character handled as whitespace.
9099 * cpplex.c (null_warning): new function.
9100 (skip_string): Emit warning if nulls encountered.
9101 (_cpp_skip_hspace): Emit warning if nulls encountered.
9102 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9106 2000-04-07 Richard Henderson <rth@cygnus.com>
9108 * flow.c (loop_depth): Remove.
9109 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9110 (struct propagate_block_info): New.
9111 (life_analysis): Don't allocate reg_next_use.
9112 (propagate_block_delete_insn): Break out of propagate_block.
9113 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9114 (propagate_block_delete_libcall): Likewise.
9115 (propagate_block): Create a propagate_block_info struct to pass
9116 to subroutines. Allocate one not two temporary regsets. Don't
9117 clobber memory for const calls. Look for clobbers in
9118 CALL_INSN_FUNCTION_USAGE.
9119 (mark_set_regs): Recognize COND_EXEC.
9120 (mark_set_reg): Break out of mark_set_1.
9121 (mark_used_reg): Break out of mark_used_regs.
9122 (mark_used_regs): Recognize COND_EXEC.
9123 (insn_dead_p): Use propagate_block_info struct.
9124 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9125 (find_auto_inc, try_pre_increment_1): Likewise.
9126 (print_rtl_with_bb): Dump regs live at end too.
9127 (count_reg_sets_1): Pass in loop_depth.
9128 (count_reg_sets, count_reg_references): Likewise.
9129 (recompute_reg_usage): Provide it.
9131 2000-04-07 Richard Henderson <rth@cygnus.com>
9133 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9136 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9138 * cpplib.c (do_elif): Skip the rest of the line if we're
9139 not going to bother evaluating it.
9140 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9141 to avoid pointless calls to the lexer.
9143 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9145 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9147 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9149 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9151 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9153 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9155 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9157 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9158 crtend so they can be multilibbed.
9159 (STAGESTUFF): Remove s-crt and s-crtS.
9161 2000-04-07 Richard Henderson <rth@cygnus.com>
9163 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9164 if we discover we need a pseudo and no_new_pseudos is true.
9165 * config/alpha/alpha.md (ne:DI insn): New.
9166 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9168 2000-04-07 Richard Henderson <rth@cygnus.com>
9170 * rtl.def (COND_EXEC): New.
9171 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9172 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9174 * genconfig.c (have_cond_arith_flag): Remove.
9175 (have_cond_exec_flag): New.
9176 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9177 (main): Print HAVE_conditional_execution.
9179 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9180 (sched_analyze_insn, print_pattern): Likewise.
9181 * reload.c (find_equiv_reg): Likewise.
9182 * rtlanal.c (reg_referenced_p): Likewise.
9183 (note_stores, dead_or_set_regno_p): Likewise.
9184 (reg_overlap_mentioned_p): Rewrite to use a switch.
9186 * ggc.h (struct rtx_def): Forward declare.
9188 * print-rtl.c (debug_rtx_range): New.
9189 * rtl.h (debug_rtx_range): Declare.
9191 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9193 * gcse.c (gcse_main): Don't rebuild the CFG here.
9194 (delete_null_pointer_checks): Likewise.
9195 * ssa.c (convert_to_ssa): Likewise.
9196 * toplev.c (rest_of_compilation): Do it here instead. Combine
9197 sequential calls to TIMEVAR. Consistently use `insns' instead of
9198 `get_insns()'. Always split insns after reload when optimizing.
9200 * basic-block.h (merge_blocks_nomove): Declare.
9201 (tidy_fallthru_edge): Declare.
9202 * flow.c (merge_blocks_nomove): Document as merging into previous
9203 blocks. Remove cruft from between blocks; remove all edges out of A.
9204 (tidy_fallthru_edge): Export.
9206 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9208 * ssa.c (compute_conservative_reg_partition): Declare with
9210 * toplev.c (clean_dump_file): Remove previously-deleted function
9211 inadvertantly merged back in.
9212 * conflict.c (conflict_graph_add): Use a single call to
9213 htab_find_slot to look up and insert.
9215 2000-04-06 Richard Henderson <rth@cygnus.com>
9217 * genrecog.c (*): Rename _last_insn to last_insn.
9218 (make_insn_sequence): Set the position of the peephole2 C test
9219 to be at the last insn.
9221 2000-04-06 Richard Henderson <rth@cygnus.com>
9223 * flow.c (compute_flow_dominators): Free worklist.
9225 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9227 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9229 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9231 * rtl.h (INSN_P): New macro.
9232 (successor_phi_fn): New typedef.
9233 (for_each_successor_phi): New prototype.
9234 (in_ssa_form): New variable.
9235 (PHI_NODE_P): Likewise.
9236 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9237 phi nodes in successors.
9238 (mark_used_regs): Add PHI case.
9239 (set_phi_alternative_reg): New function.
9240 (life_analysis): Assert that dead code elimination is not selected
9242 * toplev.c (to_ssa_time): New variable.
9243 (from_ssa_time): Likewise.
9244 (compile_file): Zero to_ssa_time and from_ssa_time.
9245 Print time to convert to and from SSA.
9246 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9247 (print_time): Compute percent fraction as integer.
9248 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9249 (convert_to_ssa): Check if we're already in SSA.
9250 Don't eliminate dead code in life_analysis.
9251 Rerun flow and life analysis at bottom.
9252 (eliminate_phi): Use canonical regnos when adding nodes.
9253 (mark_reg_in_phi): New function.
9254 (mark_phi_and_copy_regs): Likewise.
9255 (convert_from_ssa): Rerun life analysis at top.
9256 Use coalesced partition.
9257 Check for removing a phi node at the end of the block.
9258 (compute_coalesced_reg_partition): New function.
9259 (coalesce_regs_in_copies): Likewise.
9260 (coalesce_reg_in_phi): Likewise.
9261 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9262 (for_each_successor_phi): Likewise.
9263 (rename_context): New struct.
9264 (rename_block): Use a rename_context with rename_insn_1. When
9265 renaming sets of a subreg, emit a copy of the entire reg first.
9266 (rename_insn_1): Treat data as a rename_context *. Save current
9268 (rename_set_data): Add field set_insn.
9269 * Makefile.in (HASHTAB_H): Move up in file.
9270 (OBSTACK_H): New macro.
9271 (collect2.o): Use OBSTACK_H in dependencies.
9272 (sdbout.o): Likewise.
9273 (emit-rtl.o): Likewise.
9274 (simplify-rtx.o): Likewise.
9275 (fix-header.o): Likewise.
9276 (OBJS): Add conflict.o.
9277 (conflict.o): New rule.
9278 * basic-block.h: Include partition.h.
9279 (conflict_graph): New typedef.
9280 (conflict_graph_enum_fn): Likewise.
9281 (conflict_graph_new): New prototype.
9282 (conflict_graph_delete): Likewise.
9283 (conflict_graph_add): Likewise.
9284 (conflict_graph_conflict_p): Likewise.
9285 (conflict_graph_enum): Likewise.
9286 (conflict_graph_merge_regs): Likewise.
9287 (conflict_graph_print): Likewise.
9288 (conflict_graph_compute): Likewise.
9289 * conflict.c: New file.
9291 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9293 * tlink.c (read_repo_files): Don't look for .rpo info for
9296 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9298 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9300 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9302 * config/sh/lib1funcs.asm (___udivsi3_i4):
9303 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9304 only depends on FMOVD_WORKS.
9306 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9308 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9309 make double constant 8-byte aligned.
9311 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9313 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9314 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9315 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9316 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9317 Accept storing GENERAL_REGS into offsetable memory.
9318 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9319 building a TFmode constant other than 0.0L into GENERAL_REGS.
9321 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9323 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9325 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9327 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9328 (macro_cleanup): No need to cast pbuf->macro.
9329 (collect_expansion): Use _cpp_get_define_token. Goto done if
9330 it returns VSPACE. Remove check for trailing space after
9332 (_cpp_create_definition): Don't diddle flags here. Return
9334 (unsafe_chars): Handle c1 being EOF.
9335 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9336 checks. Don't push the buffer till after we're done with
9338 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9339 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9340 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9342 (_cpp_parse_assertion): Don't NUL terminate.
9343 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9344 hspace before calling _cpp_parse_assertion. Remove all sets
9345 of only_seen_white. Treat '\f' as hspace. Don't do anything
9346 special with '\n' here.
9347 (maybe_macroexpand): Handle T_EMPTY hash entries without
9348 pushing a buffer at all.
9349 (cpp_get_token): Handle clearing only_seen_white here. Handle
9350 incrementing the line number here. Clear
9351 potential_control_macro as well as only_seen_white, if
9353 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9354 (_cpp_get_define_token): New function, basically like
9355 _cpp_get_directive_token was but doesn't eat horizontal space.
9356 Don't do anything with only_seen_white here.
9357 (_cpp_get_directive_token): Just call _cpp_get_define_token
9358 repeatedly till it returns non-hspace.
9360 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9361 (conditional_skip, skip_if_group): Return int.
9362 (DIRECTIVE_TABLE): Change origin of all conditional directives
9364 (TRAD_DIRECT_P): New macro.
9365 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9366 an error for a bogus directive, unless -lang-asm. Use
9367 TRAD_DIRECT_P. Loop calling handler functions till one returns
9369 (get_macro_name): Don't diddle flags here.
9370 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9371 Create T_EMPTY nodes for #define macro /* nothing */.
9372 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9373 Use hp->name when calling pass_thru_directive.
9374 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9375 Return the result of conditional_skip and/or skip_if_group.
9376 Don't call _cpp_output_line_command.
9377 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9378 Issue -Wtraditional warnings as appropriate. Don't complain
9379 about unrecognized directives. If we are to stop skipping,
9380 return the number of the directive that ended the skip.
9381 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9382 expansion and line commands while skipping. Return the result
9383 of consider_directive_while_skipping, if nonzero.
9384 (do_endif): Just set potential_control_macro here.
9385 (validate_else): Use _cpp_get_directive_token.
9386 (do_assert, do_unassert): Don't save pointers into the
9387 token_buffer across calls to the lexer. Use
9388 _cpp_get_directive_token.
9390 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9391 pointer, not an offset. Replace 'data', which was a generic
9392 pointer, with 'macro', which points to a struct hashnode.
9393 (cpp_reader): Add 'potential_control_macro' pointer.
9394 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9395 (CPP_BUF_GET, CPP_FORWARD): Delete.
9396 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9397 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9398 ACTIVE_MARK_P): Update.
9399 (_cpp_get_define_token): New internal function.
9400 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9402 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9404 * configure.in: And here.
9405 * configure: Regenerate.
9406 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9407 --enable-libstdcxx-v3 is passed at configure time.
9408 * config.h.in: Regenerate.
9410 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9412 * final.c (final): Use xcalloc to allocate line_note_exists.
9413 * function.c (free_after_compilation): Free the temp_slots.
9414 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9415 (combine_temp_slot): Free temp_slots when they get combined.
9416 (purge_addressof): Fix typo in comment.
9417 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9418 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9420 * ggc.h: Include varray.h.
9421 (ggc_pending_trees): Declare.
9422 (ggc_mark_tree_children): Remove declaration.
9423 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9424 * ggc-common.c (ggc_pending_trees): New variable.
9425 (ggc_mark_roots): Call ggc_mark_trees.
9426 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9427 the ggc_pending_trees.
9428 * Makefile.in (GGC_H): New variable. Use it throughout in place
9431 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9433 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9436 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9438 * sh.c (sh_insn_length_adjustment): New function.
9439 * sh-protos.h (sh_insn_length_adjustment): Declare.
9440 * sh.h (ADJUST_INSN_LENGTH): Use it.
9442 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9444 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9445 from the insn where REG_RETVAL is added.
9446 (emit_no_conflict_block): Ditto.
9448 * md.texi (Standard Names): Clarify when movX is needed.
9450 * combine.c (simplify_comparison) [MINUS]: Do not replace
9451 all (op (minus A B) 0) with (op A B).
9453 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9454 J"orn Rennecke <amylaar@cygnus.co.uk>
9456 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9457 (block_lump_real): Likewise.
9459 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9461 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9462 remaining non-zero debugging masks.
9464 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9466 * basic-block.h (verify_flow_info): Declare.
9467 (flow_loop_outside_edge_p): Declare.
9468 * flow.c (verify_flow_info): Remove declaration.
9469 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9471 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9473 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9476 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9478 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9479 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9480 seqdi_zero_trunc+1): Allow splits only if registers are
9483 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9485 * acconfig.h: Add HAVE_GAS_HIDDEN.
9486 * config.in: Regenerated.
9487 * configure.in: Add test for .hidden pseudo-op in gas.
9488 * configure: Regenerated.
9489 * crtstuff.c: Include auto-host.h.
9490 Emit additional .hidden pseudo-op for __dso_handle if the
9491 assembler knows about it.
9493 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9495 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9496 before freeing argnames.
9497 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9499 2000-04-05 Michael Meissner <meissner@redhat.com>
9501 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9502 Walton <jonboy@gordian.com> to make memory references with update
9503 work wtih -mregnames.
9505 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9507 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9508 (regrename_optimize): Rename variables `def_uses' and
9509 `ext_basic_blocks' to avoid conflicts with similarly named
9510 typedefs in traditional C.
9512 * calls.c (initialize_argument_information): Fix typo in previous
9515 2000-04-04 Richard Henderson <rth@cygnus.com>
9517 * regrename.c (consider_available): Test fixed_regs not
9518 PIC_OFFSET_TABLE_REGNUM.
9520 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9522 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9524 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9525 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9526 (ENDFILE_LINUX_SPEC): Always use crtend.
9527 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9528 (powerpc-*-linux-gnu): Likewise.
9529 * configure: Regenerate.
9531 * config/rs6000/eabi.h: Don't include sysv4.h.
9532 (MULTILIB_DEFAULTS): Don't define.
9533 * config/rs6000/eabiaix.h: Don't include eabi.h.
9534 * config/rs6000/eabile.h: Delete.
9535 * config/rs6000/eabilesim.h: Delete.
9536 * config/rs6000/eabisim.h: Don't include eabi.h.
9537 * config/rs6000/linux.h: Don't include sysv4.h.
9538 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9539 (MULTILIB_DEFAULTS): Don't redefine.
9540 * config/rs6000/rtems.h: Don't include eabi.h.
9541 * config/rs6000/sol2.h: Don't include sysv4le.h.
9542 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9543 * config/rs6000/t-ppc: Delete.
9544 * config/rs6000/t-ppcgas: Correct comment.
9545 * config/rs6000/t-ppcos: Correct comment. Don't build
9546 multilibs for -fPIC, rather use -fPIC -mstrict-align
9548 * config/rs6000/t-ppc: Delete.
9549 * config/rs6000/vxppc.h: Don't include sysv4.h.
9550 * config/rs6000/vxppcle.h: Delete.
9551 * configure.in: Use multiple header files for p2pc ELF targets
9552 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9553 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9554 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9555 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9556 always available for these platforms.
9558 2000-04-04 Richard Henderson <rth@cygnus.com>
9560 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9562 2000-04-04 Stan Cox <scox@cygnus.com>
9564 * Makefile.in: Add rules for regrename.o
9565 * regrename.c: New file.
9566 * rtl.h (regrename_optimize): Add prototype.
9567 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9568 (compile_file, decode_d_option): Add support for -frename-registers.
9569 (rest_of_compilation): Call regrename_optimize.
9570 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9573 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9575 * Makefile (gccbug): New target.
9576 (doc): Depend on it.
9577 * gcc.texi (Bugs): Link subnodes.
9579 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9580 Document severities, priorities, and classes in bug form.
9582 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9584 * cpplex.c (trigraph_map, speccase): Combine into single
9586 (NORMAL, NONTRI): New macros.
9587 (_cpp_read_and_prescan): Change to use unified table. Use
9588 is_hspace to test for whitespace.
9590 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9591 definition that doesn't provoke the "empty body in an
9592 if-statement" warning.
9594 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9596 * builtins.c (expand_builtin_strlen): Force the source to
9597 be a memory address.
9599 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9601 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9603 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9605 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9606 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9607 (ECF_IS_CONST): Rename to ECF_CONST.
9608 (special_function_p): Make static, change interface.
9609 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9610 (expand_call) ... here; convert number of variables to flags.
9611 (emit_library_call_vlue_1): Likewise.
9612 (setjmp_call_p): New function.
9613 (initialize_argument_information): Accepts flags as argument;
9615 (precompute_arguments): Likewise.
9616 * tree.h (special_function_p): Remove.
9617 (setjmp_call_p): Add prototype.
9619 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9621 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9622 so that addresses are offsetable by up to 16 bytes.
9623 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9624 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9627 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9628 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9629 (movsf): Don't force any constant to memory if target is integer
9631 Move fp_zero_operand check below the const0_rtx check.
9632 (movtf): Likewise. Also allow fp_zero_operand for stores into
9634 (movdf): Likewise. Also allow fp_zero_operand for stores into
9635 memory and into integer hard registers.
9636 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9637 movdf_const_intreg_sp64): Remove.
9638 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9640 (movdf_no_e_insn_v9_sp32): New pattern.
9641 (movdf_insn_v9only): Remove.
9642 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9643 (movdf_insn_sp64): Remove.
9644 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9645 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9646 (following splits): Rewrite conditions. Add two new splits
9647 for storing 0.0 into memory and registers.
9648 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9649 (movtf_insn_sp32): Redo constraints and conditions.
9650 (movtf_insn_vis_sp32): New pattern.
9651 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9652 (movtf_insn_hq_sp64): Likewise.
9653 (movtf_insn_hq_vis_sp64): New pattern.
9654 (movtf_insn_sp64): Redo constraints and conditions.
9655 (movtf_insn_vis_sp64): New pattern.
9656 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9657 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9659 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9660 -mvis or -m64 to take down the number of various reload patterns.
9662 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9664 * pa/pa-64.h: New file.
9665 * pa/pa64-regs.h: New file.
9666 * pa/pa64-start.h: New file.
9667 * pa/t-pa64: New file.
9668 * pa/xm-pa64hpux.h: New file.
9670 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9672 * sparc.c (output_restore_regs): Prototype.
9673 (sparc_emit_float_lib_cmp): Constification.
9675 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9677 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9680 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9681 (get_value_hash, hash_rtx): Likewise.
9683 * ssa.c (compute_conservative_reg_partition): Prototype.
9685 * tree.c (mark_hash_entry): Prototype.
9687 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9689 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9690 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9691 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9693 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9694 * objc/lang-specs.h: Likewise.
9696 2000-04-03 Neil Booth <NeilB@earthling.net>
9698 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9699 and SYNTAX_ERROR2. Replace `' in messages with ''.
9700 (op_to_str): Make re-entrant.
9701 (_cpp_parse_expr): Implement new error macros. Use | rather
9702 than || to logically or 2 boolean integers. Simply expression
9703 checking we have a left operand iff needed.
9705 2000-04-03 Nick Clifton <nickc@cygnus.com>
9707 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9709 2000-04-03 Philip Blundell <philb@gnu.org>
9711 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9713 2000-04-03 Felix Lee <flee@cygnus.com>
9715 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9716 (run_shell): Use it.
9718 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9720 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9721 (stmp-fixproto): ...rather than here.
9723 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9725 * pa.c (print_operand): Compute 'base' only inside the code paths
9728 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9730 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9733 2000-04-03 Philipp Thomas <pthomas@suse.de>
9735 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9737 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9739 * Makefile.in (alias.o): Depend on $(TREE_H).
9741 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9743 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9745 * cpplib.c (_cpp_handle_directive): Improve warnings for
9746 traditional C and indented directives.
9748 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9749 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9750 fixinc/inclhack.def: Indent the # of #include_next one space.
9751 * cp/rtti.c: Un-indent #if and #endif.
9753 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9754 syntax error, but an error has already been printed.
9755 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9756 message when called with nothing remaining on the line.
9757 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9758 OTHER token, not an ASSERTION.
9759 * cpplib.c (do_assert): When we create a 'base' node, clear
9760 its aschain pointer.
9762 2000-04-02 Neil Booth <NeilB@earthling.net>
9764 * cppexp.c: New typedef op_t. struct operation and struct
9765 token updated to use it.
9766 (op_to_str): New function.
9767 (_cpp_parse_expr): Error messages modified to use op_to_str.
9769 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9771 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9772 before checking MUST_PASS_IN_STACK.
9774 2000-04-02 Neil Booth <NeilB@earthling.net>
9776 * cppexp.c: New FINISHED dummy token. Combine operator initial
9777 flags and initial priority into a single constant. New
9778 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9779 (_parse_cpp_expr): Implement new constants. Take left operand
9780 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9781 parse indicated by reducing FINISHED token. Remove new lines
9782 from cpp_error messages.
9784 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9786 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9789 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9791 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9792 directive. Add origin values to DIRECTIVE_TABLE. Generate
9793 the strings and function names on the fly. Take the #sccs
9794 entry out of the table if SCCS_DIRECTIVE is not defined.
9795 (_cpp_handle_directive): Decide if the # was at the beginning
9796 of the line here. Issue -pedantic warnings for extended
9797 directives here. Warn about K+R directives with the #
9798 indented, and C89/extended directives with the # not indented,
9800 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9801 do_assert, do_unassert): Don't issue pedantic warning here.
9803 * cpphash.h: Add CPP_WTRADITIONAL macro.
9804 * cpplib.h (struct cpp_options): Rename warn_stringify to
9805 warn_traditional; update comments.
9806 * cppinit.c (handle_option): Set warn_traditional not
9808 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9809 CPP_WTRADITIONAL (pfile).
9810 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9811 be ignored in -traditional mode here.
9813 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9814 to initialize speccase[] and trigraph_map[]. Delete all
9815 references to pfile->input_speccase. Always treat '?' as a
9816 special character. Remove table-initialization code from
9817 _cpp_init_input_buffer.
9819 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9820 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9822 2000-04-01 Richard Henderson <rth@cygnus.com>
9824 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9825 (mostlyclean): Likewise.
9827 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9828 (struct dump_file_info, enum dump_file_index, dump_file): New.
9829 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9830 not a string. Clean out file if we havn't yet done so. Do nothing
9831 if the dump isn't enabled.
9832 (close_dump_file): Do nothing if the dump isn't open. Dump
9833 graph data if requested.
9834 (dump_rtl, clean_dump_file): Remove.
9835 (compile_file): Don't clean the dump files. Only finalize .bp dump
9836 if flag_test_coverage or flag_branch_probabilities. Only finalize
9837 .combine dump if optimizing. Iterate over dump_file to finalize the
9839 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9840 Convert all uses of dump_rtl.
9841 (decode_d_option): Iterate over dump_file to implement 'a' and to
9842 locate pass-specific dumps.
9844 2000-04-01 Neil Booth <NeilB@earthling.net>
9846 * cppexp.c: Redefine priority constants.
9847 (_cpp_parse_expr): Replace left and right priority scheme with
9848 single priority logic. Move LOGICAL to same place as COMPARE.
9849 Remove bogus check for multiple unary +/- operators.
9851 2000-04-01 Neil Booth <NeilB@earthling.net>
9853 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9854 within the switch statement. Binary operations break out of
9855 the switch naturally. '(' tokens handled by forcing
9856 immediate shift. ')' handled by forcing immediate reduce to
9857 the previous '('. New error messages.
9859 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9861 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9862 part', it's already in use. Use %K instead. Add a return at the
9863 end of what is now %K.
9864 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9866 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9868 * builtins.c (expand_builtin_apply): Pass proper parameters to
9869 allocate_dynamic_stack_space.
9870 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9871 update stack_pointer_delta; do not update arg_size_so_far.
9872 (compute_argument_block_size): Use stack_delta instead of
9873 stack_pointer_pending and arg_size_so_far.
9874 (expand_call): Add sanity checking for stack_pointer_delta;
9875 save and restore stack_pointer_delta for SIB, use
9876 stack_pointer_delta for alignment; do not update arg_space_so_far.
9877 (emit_library_call_value): Use stack_pointer_delta for alignment.
9878 (store_one_arg): Do not update arg_space_so_far.
9879 * explow.c (adjust_stack, anti_adjust_stack): Update
9880 stack_pointer_delta.
9881 (allocate_dynamic_stack_space): Add sanity checking for
9882 stack_pointer_delta.
9883 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9884 stack_pointer_delta.
9885 (emit_push_insn): Update stack_pointer_delta.
9886 * function.h (struct expr_status): Add x_stack_pointer_delta;
9887 remove x_arg_space_so_far.
9888 (arg_space_so_far): Remove.
9889 (stack_pointer_delta): New macro.
9891 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9893 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9894 Reorder struct cpp_options and struct cpp_reader for better
9895 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9896 takes two args. Change all 'char' flags to 'unsigned char'.
9897 Move show_column flag into struct cpp_options. Don't
9898 prototype cpp_options_init.
9899 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9900 cppinit.c, cpplex.c, cpplib.c:
9901 Replace CPP_OPTIONS (pfile)->whatever with
9902 CPP_OPTION (pfile, whatever), and likewise for
9903 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9905 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9906 Extract CPP_OPTION (pfile, pending) and work with that
9908 (cpp_options_init): Delete.
9909 (cpp_reader_init): Turn on on-by-default options here.
9910 Allocate the pending structure here.
9911 (cl_options, enum opt_code): Define these from the same table,
9912 kept in a large macro. Add -fshow-column and -fno-show-column
9915 * cpperror.c (v_message): If show_column is off, don't print
9918 * cppmain.c: Update for new interface.
9919 * fix-header.c: Likewise.
9921 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9923 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9925 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9926 are passed to any invocation of AR_FOR_TARGET.
9927 (AR_CREATE_FOR_TARGET): New macro.
9928 (AR_EXTRACT_FOR_TARGET): New macro.
9929 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9930 AR_EXTRACT_FOR_TARGET.
9931 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9932 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9933 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9934 AR_EXTRACT_FOR_TARGET to sub-makes.
9936 2000-03-31 Neil Booth <NeilB@earthling.net>
9938 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9940 (_cpp_parse_expr): Check for multiple unary +/- operators.
9941 Correct priorities of ':' and '?'. Treat ')' as having a
9942 value. Ensure conditional expression is not void.
9944 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9946 * alias.c (canon_rtx): Make it global.
9947 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9949 * cse.c (struct table_elt): Add canon_exp.
9951 (invalidate): Canonicalize expressions only once.
9952 * rtl.h (canon_rtx): Declare.
9954 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9956 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9957 * alias.c (reg_known_value): Add comments.
9958 (init_alias_analysis): Likewise.
9959 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9961 (cse_basic_block): Fix typo in comment.
9962 * emit-rtl.c: Include hashtab.h.
9963 (const_int_htab): New variable.
9964 (const_int_htab_hash): New function.
9965 (const_int_htab_eq): Likewise.
9966 (rtx_htab_mark_1): Likewise.
9967 (rtx_htab_mark): Likewise.
9968 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9969 (unshare_all_rtx): Fix formatting.
9970 (init_emit_once): Initialize const_int_htab.
9971 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9973 * rtl.texi: Document the fact that all CONST_INTs with the same
9976 2000-03-30 Richard Henderson <rth@cygnus.com>
9978 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9980 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9982 * configure.in: Comment out --enable-c-cpplib stanza.
9983 * configure: Regenerate.
9985 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9987 * expr.c (store_constructor): Properly compute displacement and
9988 alignment when offset is variable.
9990 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9991 cases of alignment in bytes.
9993 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9995 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9996 since it is used to generate c-parse.y.
9997 * objc-parse.c, objc-parse.y: Regenerated.
9999 * function.c (expand_function_end): Pass alignment argument to
10000 emit_block_move in bits, not bytes.
10002 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10004 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10007 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10009 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10010 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10011 * function.c (assign_parms): Likewise.
10012 * integrate.c (expand_inline_function): Likewise.
10013 * stmt.c (expand_decl): Likewise.
10014 (copy_rtx_and_substitute): Likewise.
10015 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10016 (clear_by_pieces): Fix error in last change.
10017 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10018 * function.h (regno_pointer_align): Now unsigned.
10019 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10021 * config/i386/i386.c (aligned_operand): Likewise.
10022 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10023 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10024 (unaligned_memory_operand): Likewise.
10025 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10026 Also make alignments and sizes unsigned and some whitespace cleanup.
10027 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10029 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10030 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10031 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10032 (expand_builtin_memset): Likewise, but to clear_storage.
10033 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10034 (restore_fixed_argument_area): Likewise.
10035 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10036 (load_register_parameters): Likewise, to emit_group_load.
10037 (expand_call): Likewise, to emit_group_store and emit_block_move.
10038 (emit_library_call_value_1): Likewise, to emit_block_move.
10039 (store_one_arg): Likewise, and to emit_push_insn.
10040 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10041 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10042 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10043 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10044 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10045 (expand_assigment, store_expr, store_constructor_field): Likewise.
10046 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10047 (store_constructor, store_field, get_inner_reference): Likewise.
10048 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10049 (expand_expr, case COMPONENT_REF): Likewise.
10050 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10051 and positions; reindent code.
10052 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10053 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10054 (assign_parms): Likewise to emit_group_store.
10055 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10056 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10057 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10058 (expand_return): Likewise to {extract,store}_bit_field.
10059 * stor-layout.c (get_mode_alignment): Minor cleanup.
10060 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10061 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10063 2000-03-29 Nick Clifton <nickc@cygnus.com>
10065 * config/arm/arm.h: Undo effects of previous delta:
10066 (ASM_SPEC): Do not define.
10067 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10069 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10072 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10074 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10075 only after reading in the primary source file.
10077 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10079 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10080 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10081 or a reference to a va_list.
10082 * builtins.c (stabilize_va_list): Simplify now we don't have to
10083 work around C array address decay.
10084 * c-typeck.c (convert_for_assignment): Handle assignment to
10085 a reference parameter by taking the address of the RHS.
10086 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10087 (va_copy): Likewise.
10088 (__va_copy): Likewise.
10089 * ginclude/varargs.h (va_start): Likewise.
10090 (__va_copy): Likewise.
10092 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10094 * i386/djgpp.h: Remove extraneous "+".
10096 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10098 * calls.c (expand_call): Fix typo in last change.
10100 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10102 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10105 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10107 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10108 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10109 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10110 * tree.c (bit_position, byte_position): Likewise.
10111 * tree.h: Declare new functions.
10113 2000-03-29 Nick Clifton <nickc@cygnus.com>
10115 * config/arm/arm.c: Minor formatting changes/
10116 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10118 (ASM_SPEC): Define if not already defined.
10120 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10122 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10125 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10127 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10128 value, don't output it as unsigned.
10130 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10132 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10134 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10136 * c-common.c (c_common_nodes_and_builtins): Don't special case
10137 cplus_mode when declaring builtin bzero/bcmp, always avoid
10138 prototype arguments.
10140 2000-03-29 Bruce Korb <bkorb@gnu.org>
10142 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10145 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10147 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10148 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10149 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10150 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10151 (save_fixed_argument_area, restore_fixed_argument_area):
10152 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10153 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10154 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10155 (precompute_register_parameters): Avoid #ifdefs on
10156 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10157 (stire_one_args): Likewise.
10158 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10159 (emit_library_call_value_1): Likewise.
10160 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10161 ACCUMULATE_OUTGOING_ARGS.
10162 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10164 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10165 (use_crosses_set_p): Likewise.
10166 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10167 #define ACCUMULATE_OUTGOING_ARGS 1.
10168 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10170 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10172 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10173 (TARGET_SWITCHES): Add push-args, no-push-args,
10174 accumulate-outgoing-args and no-accumulate-outgoing-args.
10175 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10176 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10177 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10179 (emit_push_insn): Likewise.
10180 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10181 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10182 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10183 (STACK_DYNAMIC_OFFSET): Define correctly for both
10184 ACCUMULATE_OUTGOING_ARGS and normal mode.
10185 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10186 * tm.texi (PUSH_ARGS): Document.
10187 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10189 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10191 * flags.h (flag_optimize_sibling_calls): Declare.
10192 * calls.c (expand_call): Fail sibcall when
10193 !flag_optimize_sibling_calls
10194 * invoke.texi (flag_optimize_sibling_calls): Document.
10195 * toplev.c (flag_optimize_sibling_calls): New global variable.
10196 (f_options): Add flag_optimize_sibling_calls.
10197 (rest_of_compilation): Conditionize
10198 optimize_sibling_and_tail_recursive_calls by
10199 flag_optimize_sibling_calls.
10200 (main): Set flag_optimize_sibling_calls for -O2.
10201 * stmt.c (expand_return): Conditionize tail recursion by
10202 flag_optimize_sibling_calls.
10204 2000-03-29 Richard Henderson <rth@cygnus.com>
10206 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10207 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10209 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10211 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10213 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10215 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10217 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10218 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10219 * config/rs6000/aix.h: then modified likewise.
10221 2000-03-28 Richard Henderson <rth@cygnus.com>
10223 * rtl.h: Redistribute enum reg_note documentation.
10224 Kill trailing whitespace.
10225 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10226 Kill trailing whitespace.
10228 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10230 * cppfiles.c (hash_IHASH): Just return i->hash.
10231 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10232 htab_find_with_hash.
10233 (cpp_read_file): Likewise.
10234 (find_include_file): Likewise. Properly initialize
10235 ih->nshort. Share ih->name and ih->nshort if possible.
10236 * cpphash.c (_cpp_calc_hash): New function.
10237 (hash_HASHNODE): Just return h->hash.
10238 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10239 htab_find_with_hash.
10240 * cpphash.h: Prototype _cpp_calc_hash.
10241 * cppinit.c (initialize_builtins): Provide a valid hash
10242 to _cpp_make_hashnode, using _cpp_calc_hash.
10244 * cpphash.c (collect_expansion): # is not a special character
10245 in object-like macros. In -traditional mode, /**/ is not
10246 token paste at the beginning or end of the line.
10247 * cpplib.c (do_include, do_import, do_include_next): If
10248 parse_include fails, return immediately.
10250 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10252 * config/arm/arm.md (return peepholes): Update to reflect the new
10253 call insn patterns.
10254 * config/arm/arm.c (arm_volatile_func): Also check
10255 current_function_nothrow.
10256 (output_return_instruction, output_func_prologue): Use it.
10257 (arm_output_epilogue, arm_expand_prologue): Likewise.
10259 2000-03-27 Tom Tromey <tromey@cygnus.com>
10261 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10264 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10266 * expr.c (store_constructor): SIZE now signed.
10267 For EXPR_SIZE, don't evaluate size; just needed if constant.
10268 * fold-const.c (fold): Fix a number of cases when folded tree is
10270 * function.c (flush_addressof): Reenable.
10271 * tree.h (flush_addressof): Likewise.
10272 * toplev.c (independent_decode_option): Look at strings_processed.
10273 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10275 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10277 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10278 Allow stack adjustment after function call.
10280 * regmove.c (struct csa_memlist): Make mem field rtx *.
10281 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10282 (try_apply_stack_adjustment): Replace whole MEM rtx.
10283 (combine_stack_adjustments_for_block): Update calls
10284 to record_one_stack_ref.
10286 2000-03-28 Neil Booth <NeilB@earthling.net>
10288 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10289 '\\' rather than a null character, so nulls are not special. Fix
10290 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10291 speed trigraph conversion.
10292 (_cpp_init_input_buffer): Initialize trigraph map.
10294 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10296 * config/i386/i386.c (output_387_binary_op): Correct intel
10297 mode assembly output, and add spaces after commas in AT&T
10298 output. Correct Unixware assembler comment. Document input
10299 constraints. Comment fp operations. Reduce profligate buffer
10300 size. Remove extraneous abort. Localize temp var.
10301 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10302 (output_fix_trunc): Add spaces after commas in assembly output.
10304 2000-03-27 Richard Henderson <rth@cygnus.com>
10306 * i386-protos.h (ix86_match_ccmode): Declare.
10307 * i386.c (ix86_match_ccmode): New.
10308 (ix86_expand_fp_compare): Update for pattern renames.
10309 (ix86_expand_strlensi_unroll_1): Likewise.
10310 * i386.h (EXTRA_CC_MODES): Add CCZ.
10311 (SELECT_CC_MODE): Use it for EQ/NE zero.
10312 * i386.md (cmpsi_ccz_1): New.
10313 (cmpqi_ccz_1): New.
10314 (*testsi_ccz_1): New.
10315 (testqi_ccz_1): New.
10316 (cmpsi_ccno_1): Rename from cmpsi_0.
10317 (testsi_ccno_1): Rename from testsi_1.
10318 (testqi_ccno_1): Rename from testqi_1.
10319 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10320 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10321 (*cmphi_0): Use ix86_match_ccmode.
10322 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10323 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10324 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10325 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10326 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10327 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10328 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10329 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10330 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10331 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10332 (appropriate peepholes): Likewise.
10333 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10334 (*subsi_3, *subhi_3, *subqi_3): Remove.
10335 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10336 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10337 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10338 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10339 (x86_shift_adj_1): Use CCZ.
10340 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10342 2000-03-27 Stan Cox <scox@cygnus.com>
10344 * resource.h (mark_resource_type): New.
10345 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10346 find_free_register): Use mark_resource_type.
10347 (mark_set_resources): Change include_delayed_effects
10348 to mark_resource_type.
10349 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10350 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10351 Use mark_resource_type.
10353 2000-03-27 Richard Henderson <rth@cygnus.com>
10355 * i386.md (call_pop_0, call_value_pop_0): New.
10356 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10357 (call_value_pop_1): Likewise.
10358 (call_0, call_value_0): New.
10359 (call_1, call_value_1): Remove constraint from unused arg.
10361 2000-03-27 Nick Clifton <nickc@cygnus.com>
10363 * invoke.texi (Spec Files): Document new spec % command created by
10364 Tom Tromey's recent patch.
10366 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10368 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10371 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10373 * expr.c (expand_assignment): Fix typo in last change.
10375 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10377 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10379 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10380 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10381 and DECL_INLINE if FUNCTION_DECL.
10382 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10383 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10384 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10385 (combine_parm_decls): Likewise.
10386 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10387 * print-tree.c (print_node): Likewise.
10388 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10389 DECL_TRANSPARENT_UNION on proper decl types.
10390 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10391 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10392 DECL_BIT_FIELD of FIELD_DECL.
10393 * tree.h (DECL_RESULT_FLD): New macro.
10395 * expr.c (expand_assignment): Add code to handle variable-sized
10398 2000-03-26 Richard Henderson <rth@cygnus.com>
10400 * calls.c (expand_call): Pass parms not original exp to
10401 optimize_tail_recursion. Mind return value instead of looking
10403 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10404 call_expr. Move checks for call_expr and current_function_decl ...
10405 (expand_return): ... here.
10407 2000-03-26 Tom Tromey <tromey@cygnus.com>
10409 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10410 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10412 (process_command): Use them.
10413 (check_live_switch): Likewise.
10414 (give_switch): Skip ignored switches.
10416 2000-03-26 Jan Hubicka <jh@suse.cz>
10418 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10419 for minimal jump pass test.
10421 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10423 * integrate.c (function_cannot_inline_p): Do inline functions that
10426 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10428 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10429 now a list of TREE_LIST entries, not types.
10430 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10432 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10433 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10435 * config/mips/mips.c (function_arg): Likewise; also remove cast
10436 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10437 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10438 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10439 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10440 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10441 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10442 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10443 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10444 num_adjusts now unsigned.
10445 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10446 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10447 NREGS now unsigned.
10448 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10449 as is BITPOS variable; use host_integerp and int_bit_position.
10450 (function_arg_record_value_2): Likewise.
10451 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10452 Variable REGNO now unsigned.
10453 (function_arg_record_value): NREGS now unsigned.
10455 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10457 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10459 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10461 * Rework fields used to describe positions of bitfields and
10462 modify sizes to be unsigned and use HOST_WIDE_INT.
10463 * alias.c (reg_known_value_size): Now unsigned.
10464 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10465 (really_start_incremental_init): Use bitsize_zero_node.
10466 (push_init_level, pop_init_level, output_init_element): Likewise.
10467 Use bitsize_unit_node and bitsize_one_node.
10468 (output_pending_init_elements, process_init_element): Likewise.
10469 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10470 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10471 HOST_WIDE_INT, respectively.
10472 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10473 (num_sign_bit_copies): Returns unsigned.
10474 BITWIDTH now unsigned; rework arithmetic.
10475 Remove recursive call from arg to MAX.
10476 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10477 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10478 REGNO now unsigned.
10479 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10480 (find_split_point, expand_compound_operation, make_extraction): LEN
10481 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10482 (make_field_assignment): Likewise.
10483 (combine_simplify_rtx): Add cast.
10484 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10485 (force_to_mode): WIDTH now unsigned; add cast.
10486 (if_then_else_cond): SIZE now unsigned.
10487 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10488 (extended_count): Now returns unsigned.
10489 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10490 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10491 (simplify_comparison): MODE_WIDTH now unsigned.
10492 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10493 (mark_used_regs_combine): Likewise; rework arithmetic.
10494 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10495 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10496 (record_promoted_value): REGNO now unsigned.
10497 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10498 (get_last_value): REGNO now unsigned.
10499 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10500 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10501 (remove_death): Arg REGNO now unsigned.
10502 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10503 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10505 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10506 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10507 (struct cse_reg_info): REGNO now unsigned.
10508 (cached_regno): Now unsigned.
10509 (REGNO_QTY_VALID_P): Add cast.
10510 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10511 (remove_invalid_regs): Likewise.
10512 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10513 as are variables END and I.
10514 (get_cse_reg_info, insert): Likewise.
10515 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10516 (canon_hash): Likewise.
10517 (insert_regs, lookup_for_remove): REGNO now unsigned.
10518 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10520 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10521 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10522 * emit-rtl.c (subreg_realpart_p): Add cast.
10523 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10524 (operand_subword_force): Arg I is now unsigned.
10525 * except.c (eh_regs): Variable I is now unsigned.
10526 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10527 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10528 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10529 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10530 (extract_split_bit_field, store_bit_field, extract_bit_field):
10532 * expr.c (store_constructor_fields, store_constructor, store_field):
10533 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10534 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10535 (do_jump): Likewise.
10536 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10537 MAX_SIZE is now unsigned.
10538 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10539 (emit_group_store): Likewise.
10540 (emit_move_insn): I now unsigned.
10541 (store_constructor): Use host_integerp, tree_low_cst, and
10543 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10544 Rework all calculations to use trees and new fields.
10545 * expr.h (promoted_input_arg): Regno now unsigned.
10546 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10547 (mark_seen_cases): Arg is HOST_WIDE_INT.
10548 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10549 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10550 precisions and alignments are unsigned.
10551 (optimize_bit_field_compare, fold_truthop): Likewise.
10552 (int_const_binop): Adjust threshold for size_int_type_wide call.
10553 (fold_convert): Likewise.
10554 (size_int_type_wide): Make table larger and fix thinko that only
10555 had half of table used.
10556 (all_ones_mask_p, fold): Precisions are unsigned.
10557 * function.c (put_reg_info_stack): REGNO is unsigned.
10558 (instantiate_decl): Size is HOST_WIDE_INT.
10559 (instantiate_virtual_regs): I is unsigned.
10560 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10561 (promoted_input_arg): REGNO is unsigned.
10562 * function.h (struct function): x_max_parm_reg is now unsigned.
10563 * gcse.c (max_gcse_regno): Now unsigned.
10564 (struct null_pointer_info): min_reg and max_reg now unsigned.
10565 (lookup_set, next_set): REGNO arg now unsigned.
10566 (compute_hash_table): REGNO and I now unsigned.
10567 (handle_avail_expr): regnum_for_replacing now unsigned.
10568 (cprop_insn): REGNO now unsigned.
10569 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10570 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10571 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10572 * hard-reg-set.h (reg_class_size): Now unsigned.
10573 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10574 * jump.c (mark_modified_reg): I now unsigned; add cast.
10575 (rtx_equal_for_thread_p): Add cast.
10576 * loop.c (max_reg_before_loop): Now unsigned.
10577 (struct_movable): REGNO now unsigned.
10578 (try_copy_prop): REGNO arg unsigned.
10579 (regs_match_p): XN and YN now unsigned.
10580 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10581 (strength_reduce): Likewise; NREGS also unsigned.
10582 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10583 * loop.h (struct iv_class): REGNO now unsigned.
10584 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10586 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10587 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10588 * optabs.c (expand_binop): I and NWORDS now unsigned.
10589 (expand_unop): I now unsigned.
10590 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10591 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10592 * real.c (significand_size): Now returns unsigned.
10593 * real.h (significand_size): Likewise.
10594 * regclass.c (reg_class_size): Now unsigned.
10595 (choose_hard_reg_mode): Both operands now unsigned.
10596 (record_reg_classes): REGNO and NR now unsigned.
10597 (reg_scan): NREGS now unsigned.
10598 (reg_scan_update): old_max_regno now unsigned.
10599 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10600 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10601 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10602 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10603 Likewise for variable R.
10604 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10605 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10606 (find_equiv_reg): Add casts.
10607 (regno_clobbered_p): Arg REGNO now unsigned.
10608 * reload.h (struct reload): NREGS now unsigned.
10609 (refers_to_regno_for_reload_p): Regno args are unsigned.
10610 (regno_clobbered_p): Likewise.
10611 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10612 (compute_use_by_pseudos): REGNO now unsigned.
10613 (find_reg): I and J now unsigned, new variable K, and change loop
10614 variables accordingly; THIS_NREGS now unsigned.
10615 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10616 (spill_hard_reg): REGNO arg now unsigned; add casts.
10617 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10618 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10619 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10620 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10621 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10622 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10623 (emit_reload_insns): REGNO now unsigned.
10624 (reload_cse_move2add): Add cast.
10625 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10627 * resource.c (mark_referenced_resources, mark_set_resources): New
10628 variable R; REGNO and LAST_REGNO now unsigned.
10629 (mark_target_live_regs): J and REGNO now unsigned.
10630 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10631 * rtl.h (union rtunion_def): New field rtuint.
10632 (XCUINT): New macro.
10633 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10634 (operand_subword, operand_subword_force): Word number is unsigned.
10635 (choose_hard_reg_mode): Operands are unsigned.
10636 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10637 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10638 (regno_use_in, combine_instructions, remove_death): Likewise.
10639 (reg_scan, reg_scan_update): Likewise.
10640 (extended_count): Return is unsigned.
10641 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10642 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10643 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10644 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10645 (reg_reg_last_1): FIRS and LAST now unsigned.
10646 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10647 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10649 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10650 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10651 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10652 (replace_regs): Arg NREGS now unsigned.
10653 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10654 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10655 (simplify_binary_operation): Likewise.
10656 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10657 THIS_LAST now unsigned.
10658 (cselib_record_set): Add cast.
10659 * ssa.c (ssa_max_reg_num): Now unsigned.
10660 (rename_block): REGNO now unsigned.
10661 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10662 sizes now unsigned.
10663 (all_cases_count): Just return -1 not -2.
10664 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10665 Rework tests to use trees whenever possible.
10666 Use host_integerp and tree_low_cst.
10667 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10668 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10669 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10670 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10671 (smallest_mode_for_size): Likewise.
10672 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10673 KNOWN_ALIGN is now an alignment, so simplify code.
10674 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10675 (start_record_layout): Renamed from new_record_layout_info.
10676 Update to new fields.
10677 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10679 (place_union_field): Renamed from layout_union_field.
10680 Update to use new fields in rli.
10681 (place_field): Renamed from layout_field.
10682 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10683 (finalize_record_size): Rework to use new fields in rli and handle
10685 (compute_record_mode): Rework to simplify and to use new DECL fields.
10686 (finalize_type_size): Make rounding more consistent.
10687 (finish_union_layout): Deleted.
10688 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10689 (layout_type, case RECORD_TYPE): Call new function names.
10690 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10691 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10692 (get_best_mode): UNIT is now unsigned; remove casts.
10693 * tree.c (bit_position): Compute from new fields.
10694 (byte_position, int_byte_position): New functions.
10695 (print_type_hash_statistics): Cast to remove warning.
10696 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10697 (build_index_type): Likewise; make subtype of sizetype.
10698 (build_index_2_type): Pass sizetype to build_range_type.
10699 (build_common_tree_nodes): Use size_int and bitsize_int to
10700 initialize nodes; add bitsize_{zero,one,unit}_node.
10701 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10702 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10703 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10704 (DECL_FIELD_BITPOS): Deleted.
10705 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10706 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10707 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10708 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10709 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10710 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10711 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10712 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10713 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10714 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10715 (DECL_ALIGN): Adjust to new field in union.
10716 (DECL_OFFSET_ALIGN): New field.
10717 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10718 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10719 (union tree_decl): Add struct for both aligns.
10720 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10721 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10722 (struct record_layout_info): Rework fields to have offset
10723 alignment and byte and bit position.
10724 (start_record_layout, place_field): Renamed from old names.
10725 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10726 (byte_position, int_byte_position): Likewise.
10727 (get_inner_reference): Change types of position and length.
10728 * unroll.c (unroll_loop): New variable R; use for some loops.
10729 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10730 (calculate_giv_inc): Arg REGNO now unsigned.
10731 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10732 * varasm.c (assemble_variable): Clean up handling of size using
10733 host_integerp and tree_low_cst.
10734 (decode_addr_const): Use byte, not bit, position.
10735 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10736 use tree_low_cst and int_bit_position.
10737 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10739 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10741 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10742 (reorder_block_def): New members eff_head and eff_end.
10743 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10744 (verify_insn_chain): New function.
10745 (skip_insns_between_block): Add code to skip deleted insns.
10746 Check for note before using.
10747 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10748 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10749 Check for note before using.
10750 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10751 (fixup_reorder_chain): Restructure, clean up, defect removal.
10752 (reorder_basic_blocks): Remove last_insn and references to it.
10753 Moved insn chain verification code into a new function (see above).
10754 Delete defective code that sets last insn.
10755 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10758 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10760 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10762 2000-03-24 Richard Henderson <rth@cygnus.com>
10764 * tree.c (lang_safe_for_unsave): Remove.
10765 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10766 allowing for two levels of unsafeness. Remove lang hook.
10767 * tree.h: Update declarations.
10768 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10769 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10770 Always fail sibcalls when there are pending cleanups.
10772 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10774 * flow.c (propagate_block): When we delete an ADDR_VEC,
10775 also delete the BARRIER following it if there is one.
10777 2000-03-24 Richard Henderson <rth@cygnus.com>
10779 * builtins.c (expand_builtin_bzero): Convert `length' argument
10782 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10784 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10785 comparison if regno's are equal.
10786 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10787 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10788 (expand_call): Update caller.
10789 Avoid making a sibling call if argument size of the callee is larger
10790 than argument size of the caller.
10791 Call hard_function_value with outgoing set if in sibcall pass.
10792 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10794 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10795 Change LEAF_REGISTERS from an array initializer to actual array
10796 identifier. Move static global variable into the function.
10797 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10798 sequences for leaf functions.
10799 * global.c (global_alloc): Likewise.
10800 * tm.texi (LEAF_REGISTERS): Update documentation.
10802 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10803 TARGET_FLAT leaf disabling hack.
10804 (LEAF_REGISTERS): Changed from an array initializer to actual array
10805 identifier to avoid duplication and remove the above hack.
10806 (FUNCTION_OK_FOR_SIBCALL): Define.
10807 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10808 always like call attribute.
10809 (eligible_for_sibcall_delay): New attribute.
10810 (sibcall): New delay type.
10811 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10812 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10813 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10814 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10815 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10817 (output_function_epilogue): Move part of the code into
10818 output_restore_regs.
10819 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10821 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10824 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10825 until infrastructure is finished.
10827 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10829 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10830 (save_parm_insns): Not here.
10832 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10834 * builtins.c (expand_builtin_bzero): New function.
10835 (expand_builtin): Handle bzero.
10837 * builtins.def: Add BUILT_IN_BZERO.
10839 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10840 prototype & function for bzero.
10842 2000-03-23 Michael Meissner <meissner@redhat.com>
10844 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10845 change adding TARGET_FP to the TF floating point insns, except for
10846 trunctfsf2, which generates direct calls to truncdfsf2.
10848 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10850 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10851 try to protect against middle-end changes that break binary
10853 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10855 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10857 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10859 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10861 * calls.c (expand_call): If TARGET is passed by reference and
10862 is readonly, write a CLOBBER.
10864 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10866 * builtins.c (expand_builtin): Handle bcmp.
10868 * builtins.def: Add BUILT_IN_BCMP.
10870 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10871 prototype & function for bcmp.
10873 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10875 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10876 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10877 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10879 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10881 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10882 alternative when using -fp64 -gp32.
10884 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10886 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10887 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10888 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10890 * frame.h (frame_state): Revert last change.
10891 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10892 * libgcc2.c (throw_helper): Revert last change.
10894 2000-03-22 Richard Henderson <rth@cygnus.com>
10896 * stmt.c (expand_asm_operands): Don't promote the temporary.
10898 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10900 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10901 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10902 c_get_alias_set): Likewise.
10903 * c-decl.c (duplicate_decls): Likewise.
10904 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10905 * calls.c (initialize_argument_information): Likewise.
10906 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10908 * dwarfout.c (decl_class_context,output_type): Likewise.
10909 * expr.c (get_inner_reference): Likewise.
10910 * fold-const.c (simple_operand_p,fold): Likewise.
10911 * function.c (aggregate_value_p): Likewise.
10912 * stmt.c (expand_asm_operands): Likewise.
10913 * varasm.c (named_section): Likewise.
10915 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10917 Implement dwarf2 exception handling for the ARM.
10918 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10919 (DWARF_FRAME_RETURN_COLUMN): Define.
10920 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10921 REG_FRAME_RELATED_EXPR note.
10922 (emit_sfm): Likewise.
10923 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10924 * dwarf2out.c (reg_save): Handle saving a register to itself.
10925 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10926 * except.c (eh_regs): Don't use the static chain reg if it's
10928 * frame.h (frame_state): Add cfa_saved field.
10929 * frame.c (execute_cfa_insn): Set it.
10930 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10932 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10934 (instantiate_virtual_regs): Adjust.
10936 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10937 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10938 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10940 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10941 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10943 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10945 * builtins.def: New file.
10947 * Makefile.in (TREE_H): Depend on builtins.def.
10949 * builtins.c (built_in_names): Use builtins.def.
10951 * tree.h (built_in_function): Likewise.
10953 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10955 * tree.c (size_in_bytes): Return size_zero_node, not
10958 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10960 * config/fp-bit.c (pack_d): Correct the case when a denormal
10961 is rounded up and stops being denormal.
10963 2000-03-21 Richard Henderson <rth@cygnus.com>
10965 * config/alpha/alpha.c (function_arg): Check for void_type_node
10966 before using MUST_PASS_IN_STACK.
10968 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10970 * regmove.c (combine_stack_adjustments_for_block): Check that
10971 the stack pointer is a valid memory address.
10973 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10975 * calls.c: re-install Mar 16 emit_library_call merge.
10977 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10979 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10980 we cannot be sure that if reload_completed base register will
10981 be properly aligned.
10983 2000-03-21 Richard Henderson <rth@cygnus.com>
10985 * flow.c (delete_block): Fix typo last change.
10987 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10989 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10990 not COMPLETE_TYPE_P, to check the type of the expression.
10992 2000-03-21 Michael Meissner <meissner@redhat.com>
10994 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10995 all floating point insns that just tested the macro
10996 TARGET_HAS_XFLOATING_LIBS.
10997 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10998 used to only use the gprs.
11000 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11002 * tree.h (COMPLETE_TYPE_P): New macro.
11003 (COMPLETE_OR_VOID_TYPE_P): New macro.
11004 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11005 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11006 * c-aux-info.c (gen_type): Use them.
11007 * c-common.c (c_expand_expr_stmt): Likewise.
11008 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11009 grokdeclarator, grokparms, finish_struct, start_function,
11010 store_parm_decls, combine_parm_decls): Likewise.
11011 * c-parse.y (cast_expr): Likewise.
11012 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11013 c_size_in_bytes, c_alignof, build_component_ref,
11014 build_indirect_ref, build_array_ref, convert_arguments,
11015 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11016 * calls.c (initialize_argument_information): Likewise.
11017 * convert.c (convert_to_integer): Likewise.
11018 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11019 * dwarfout.c (location_or_const_value_attribute,
11020 output_enumeration_type_die, output_structure_type_die,
11021 output_union_type_die, output_type): Likewise.
11022 * expr.c (safe_from_p, expand_expr): Likewise.
11023 * function.c (assign_parms): Likewise.
11024 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11025 * tree.c (build_array_type, build_function_type,
11026 build_method_type, build_offset_type, build_complex_type): Likewise.
11027 * c-parse.c, c-parse.h: Regenerated.
11029 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11031 * config/c4x/rtems.h: Include config/rtems.h.
11033 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11035 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11036 decl is a FUNCTION_DECL
11038 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11040 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11041 function uses output registers. Don't save RP for leaf functions.
11042 Do save RP even if no epilogue.
11043 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11044 (CALL_USED_REGISTERS): Unmark in registers.
11045 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11046 to near the middle.
11048 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11050 * config/rs6000/rs6000.md (bunordered): New expander.
11051 (bordered): New expander.
11052 (buneq): New expander.
11053 (bunge): New expander.
11054 (bungt): New expander.
11055 (bunle): New expander.
11056 (bunlt): New expander.
11057 (bltgt): New expander.
11059 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11060 (ccr_bit_negated_p): New function.
11061 (print_operand): For %C, generate appropriate cror for UNEQ,
11062 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11064 2000-03-20 Andreas Jaeger <aj@suse.de>
11066 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11069 * tree.h (safe_for_unsave): Prototype.
11071 2000-03-20 Richard Henderson <rth@cygnus.com>
11073 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11074 (combine_stack_adjustments_for_block): Don't allow sp references
11075 in the side of a set we're not fixing up.
11076 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11077 after life_analysis.
11079 2000-03-20 Richard Henderson <rth@cygnus.com>
11081 * calls.c (expand_call): Don't bother generating tail call
11082 sequences if there are pending cleanups. Use
11083 expand_start_target_temps/expand_end_target_temps to elide
11084 cleanups created during sibcall expansion.
11086 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11088 * configure.in: Set $IFS to a value if it doesn't already have one
11089 in the --enable-checking handling.
11090 * configure: Regenerate.
11092 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11094 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11095 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11098 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11100 * jump.c (delete_noop_moves): Remove code attempting to
11101 combine stack adjustments.
11103 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11105 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11106 * except.c (emit_cleanup_handler): Use them.
11107 (expand_end_all_catch): Likewise.
11108 * function.c (fixup_var_refs): Likewise.
11109 (expand_function_end): Clear catch_clauses_last.
11110 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11111 * except.h (struct eh_status): New field x_catch_clauses_last.
11112 (catch_clauses_last): New define.
11114 * Makefile.in (tree.o): Depend on HASHTAB_H.
11115 * tree.c: Include hashtab.h.
11116 (struct type_hash): Remove next field.
11117 (TYPE_HASH_SIZE): Remove.
11118 (TYPE_HASH_INITIAL_SIZE): New define.
11119 (type_hash_table): Change type to htab_t.
11120 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11121 mark_hash_entry): New functions.
11122 (init_obstacks): Allocate type hash.
11123 (type_hash_lookup): Use htab functions.
11124 (type_hash_add, mark_type_hash): Likewise.
11125 (dump_tree_statistics): Call print_type_hash_statistics.
11127 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11129 * rs6000/t-aix41: New file.
11131 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11133 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11135 * tm.texi (Driver): Fix typos and tweak entry for
11137 Move misplaced STRUCT_FORCE_BLK entry ...
11138 (Storage Layout): ... to here.
11139 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11141 2000-03-19 Richard Henderson <rth@cygnus.com>
11143 * flow.c (delete_block): Delete the addr_vec along with the block.
11144 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11147 * fold-const.c (extract_muldiv): Apply type check for defined
11148 overflow to multiply as well as divide.
11150 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11152 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11154 * emit-rtl.c (remove_unncessary_notes): Check that all
11155 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11156 associated NOTE_BLOCK.
11157 * function.h (identify_blocks): Update comments.
11158 (reorder_blocks): Declare.
11159 * function.c (identify_blocks): Don't take paramters.
11160 (reorder_blocks): Don't take parameters.
11161 * loop.h (find_loop_tree_blocks): Remove.
11162 (unroll_block_trees): Likewise.
11163 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11164 reorder_blocks instead of unroll_block_trees.h
11165 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11166 * stmt.c (find_loop_tree_blocks): Remove.
11167 (unroll_block_trees): Likewise.
11168 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11169 in whole-function mode.
11170 * tree.h (reorder_blocks): Remove declaration.
11172 * expr.c: Include intl.h.
11173 * Makefile.in (expr.o): Depend on intl.h.
11175 2000-03-18 Richard Henderson <rth@cygnus.com>
11177 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11179 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11181 * tree.h (tree_index): Remove enumerals for integer types.
11182 (integer_type_kind): New type.
11183 (integer_types): New variable.
11184 (char_type_node): Adjust.
11185 (signed_char_type_node): Likewise.
11186 (unsigned_char_type_node): Likewise.
11187 (short_integer_type_node): Likewise.
11188 (short_unsigned_type_node): Likewise.
11189 (integer_type_node): Likewise.
11190 (unsigned_type_node): Likewise.
11191 (long_integer_type_node): Likewise.
11192 (long_unsigned_type_node): Likewise.
11193 (long_long_integer_type_node): Likewise.
11194 (long_long_unsigned_type_node): Likewise.
11195 * tree.c (integer_types): New variable.
11196 (init_obstacks): Register it as a root.
11198 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11200 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11201 NEXT_INSN. Update last insn in chain.
11203 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11205 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11206 with TYPE_DECL_SUPPRESS_DEBUG set.
11208 2000-03-18 Richard Henderson <rth@cygnus.com>
11210 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11212 2000-03-18 Richard Henderson <rth@cygnus.com>
11214 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11215 care for HALF_PIC_P.
11216 (expander_call_insn_operand): Remove.
11217 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11218 * i386.h (PREDICATE_CODES): Update.
11219 * i386.md (all call expanders): Remove predicates, remove special
11220 handling for half-pic.
11221 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11222 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11223 (sibcall_epilogue): New.
11225 2000-03-17 Richard Henderson <rth@cygnus.com>
11227 * rtlanal.c (single_set): Reject if the parallel has anything
11228 except SET or USE or CLOBBER.
11230 2000-03-17 Jeff Law <law@cygnus.com>
11231 Richard Henderson <rth@cygnus.com>
11233 * Makefile.in (OBJS): Add sibcall.o.
11235 * sibcall.c: New file.
11236 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11237 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11238 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11239 Emit sibcall patterns when requested. Update all callers.
11240 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11241 elimination seems feasable.
11242 * final.c (leaf_function_p): Sibling calls don't discount being
11244 * flow.c (HAVE_sibcall_epilogue): Provide default.
11245 (find_basic_blocks_1): Sibling calls don't throw.
11246 (make_edges): Make edge from sibling call to EXIT.
11247 (propagate_block): Don't remove sibcall_epilogue insns.
11248 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11249 (sibcall_epilogue): New.
11250 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11251 (identify_blocks_1): Likewise. Break out from ...
11252 (identify_blocks): ... here.
11253 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11254 (reorder_blocks): ... here.
11255 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11256 (record_insns): Extend a varray instead of mallocing new memory.
11257 (contains): Read a varray not array of ints.
11258 (sibcall_epilogue_contains): New.
11259 (thread_prologue_and_epilogue_insns): Emit and record
11260 sibcall_epilogue patterns.
11261 (init_function_once): Allocate prologue/epilogue varrays.
11262 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11263 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11264 Broken out from ...
11265 (save_for_inline_nocopy): ... here.
11266 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11267 Broken out from ...
11268 (expand_inline_function): ... here.
11269 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11270 (subst_constants): Handle 'n' formats.
11271 * jump.c (jump_optimize_minimal): New.
11272 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11273 optimizations if it's set.
11274 * rtl.c (copy_rtx): Do copy jump & call for insns.
11275 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11276 (SIBLING_CALL_P): New.
11277 (sibcall_use_t): New.
11278 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11279 Invoke optimize_sibling_and_tail_recursive_calls.
11280 * tree.c (lang_safe_for_unsave): New.
11281 (safe_for_unsave): New.
11282 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11284 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11285 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11286 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11288 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11290 * objc/objc-act.c (encode_method_prototype): Pass types, not
11291 PARM_DECLs, to int_size_in_bytes.
11293 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11295 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11297 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11298 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11300 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11302 * Clean up usages of TREE_INT_CST_LOW.
11303 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11304 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11306 * c-tree.h (min_precision): Move declaration to here.
11307 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11308 (build_unary_op, add_pending_init): Use bit_position.
11309 (pending_init_member, process_init_element): Likewise.
11310 (really_start_incremental_init, push_init_level, pop_init_level):
11311 Don't make copies of nodes or modify them in place, use consistent
11312 types when tracking positions, and use tree routines computations.
11313 (set_init_index, output_init_element): Likewise.
11314 (output_pending_init_elements, process_init_element): Likewise.
11315 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11316 tree_low_cst and int_bit_position; also minor cleanup.
11317 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11318 (print_cst_octal): Precision is unsigned.
11319 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11320 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11321 (simple_type_align_in_bits): Result is unsigned int.
11322 Use tree_int_low_cst and host_integerp.
11323 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11324 (field_byte_offset): Result is HOST_WIDE_INT.
11325 Change types of internal variables so alignments are unsigned int,
11326 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11327 Use host_integerp, tree_low_cst, and int_bit_position.
11328 (add_bit_offset_attribute): Likewise.
11329 (add_data_member_location_attribute): Use tree_cst_low.
11330 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11331 (add_bit_size_attribute): Use tree_low_cst.
11332 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11333 * dwarfout.c: Similar changes to dwarf2out.c.
11334 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11335 * genoutput.c (n_occurences): Return -1 for null string.
11336 (strip_whitespace): Accept null string and make into function.
11337 (scan_operands): Reflect above changes.
11338 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11339 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11340 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11341 * tree.c (int_size_in_bytes): Check for too big to represent.
11342 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11343 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11345 (min_precision): Delete from here.
11346 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11347 and int_bit_position.
11348 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11349 (encode_method_def): Likewise.
11350 (build_ivar_list_initializer): Use int_bit_position.
11351 (generate_shared_structures): Convert size.
11352 (encode_type, encode_complete_bitfield): Use integer_zerop.
11353 (encode_bitfield): Use tree_low_cst and int_bit_position.
11355 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11357 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11359 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11361 * call.c (special_function_p): It is only malloc if it returns
11364 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11366 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11367 (C33_FLAG, TARGET_C3X): Add macros.
11368 (TARGET_SWITCHES): Add -m33 option.
11369 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11371 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11373 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11374 (PARALLEL_PACK_FLAG): Delete.
11375 (TARGET_SWITCHES): Update.
11376 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11378 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11380 * fold-const.c (fold): Fix a few cases when the returned result
11381 is not of the same type as the input.
11383 2000-03-16 Nick Clifton <nickc@cygnus.com>
11385 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11388 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11390 * libgcc2.h: Move prototypes above macros with the same name.
11391 Wrap some function prototypes in the conditional which indicates
11392 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11394 2000-03-16 Richard Henderson <rth@cygnus.com>
11396 * calls.c: Revert last two changes.
11398 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11400 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11401 has exponent 0 is a zero.
11403 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11404 HASH may already be nonzero. Add code/mode into hash value
11405 immediately after repeat label.
11406 (cselib_lookup): Don't leave the hash table in an inconsistent
11407 state before a hash lookup operation.
11409 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11411 * i386.md (all HI and QI mode non-move patterns): Conditionize
11412 by TARGET_[HQ]IMODE_MATH.
11413 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11414 x86_promote_qi_regs): Declare.
11415 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11416 TARGET_PROMOTE_QI_REGS): New macros.
11417 (PROMOTE_MODE): New macro.
11418 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11419 x86_promote_qi_regs): New global variables.
11421 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11423 * calls.c (emit_library_call_value_1): Break out from ...; handle
11424 VOIDmode function calls too.
11425 (emit_library_call_value): ... here.
11426 (emit_library_call): Implement by calling emit_library_call_value_1.
11428 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11430 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11431 Update arg_space_so_far on stack adjustments.
11432 (emit_library_call, emit_library_call_value): Likewise; take into
11433 account arg_space_so_far and pending_stack_adjust when calculcating
11436 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11438 * flow.c: Move all basic block reordering code into its own file.
11439 (create_basic_block): Externalize.
11440 * bb-reorder.c: New file. Copy all basic block reordering code from
11441 flow.c to this file.
11442 (reorder_basic_blocks): Fix fencepost error in for-loop.
11443 (reorder_basic_blocks): Remove braces from single statement for-loops.
11444 * basic-block.h: Add declaration for create_basic_block.
11445 * Makefile.in: Add rules for bb-reorder.o.
11447 2000-03-16 Neil Booth <NeilB@earthling.net>
11449 * cppinit.c (handle_option): Implement #unassert directive
11450 as -A- command line option.
11451 (print_help): Update.
11452 * cpptexi.c: Update.
11454 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11456 * md.texi (Standard Names): Document `jump'.
11458 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11460 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11463 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11465 Merge changes from newppc-branch onto trunk.
11467 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11469 * rs6000.c (toc_hash_table): Update for new hash table functions.
11470 (toc_hash_function): Likewise.
11471 (toc_hash_eq): Likewise.
11472 (toc_hash_mark_entry): Likewise.
11473 (toc_hash_mark_table): Likewise.
11474 (output_toc): Likewise.
11475 (rs6000_add_gc_roots): Likewise.
11477 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11479 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11480 (AR_FLAGS_FOR_TARGET): here. New macro.
11482 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11484 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11485 fpmem_operand) Delete.
11487 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11488 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11489 (rs6000_save_machine_status, rs6000_restore_machine_status,
11490 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11491 references to above variables.
11492 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11493 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11494 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11495 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11496 (XER_REGNO_P, XER_REGNO): New.
11497 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11498 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11499 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11501 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11502 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11503 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11505 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11507 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11508 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11509 * rs6000.h: from here.
11511 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11512 (rs6000_select_rtx_section): Likewise.
11513 (rs6000_encode_section_info): Likewise.
11514 (sdata_section): Likewise.
11515 (sdata2_section): Likewise.
11516 (sbss_section): Likewise.
11517 * sysv4.h (rs6000_select_section): Delete prototype.
11518 (rs6000_select_rtx_section): Likewise.
11519 (rs6000_encode_section_info): Likewise.
11520 (sdata_section): Likewise.
11521 (sdata2_section): Likewise.
11522 (sbss_section): Likewise.
11523 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11525 * sysv4.h: Delete various unnecessary #undef's and put a comment
11526 on the remaining ones.
11527 Change various comments according to coding standard.
11529 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11531 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11532 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11533 (CR0_REGNO_P) Remove.
11534 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11535 setup_incoming_varargs, mtcrf_operation, print_operand,
11536 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11537 Use the above macros.
11539 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11541 * config/rs6000/rs6000.md: Added a new alternative for each
11542 pattern that had a 'x' alternative but no 'y' alternative.
11543 Added a new split for each of the above patterns.
11545 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11547 * aix41.h (ASM_CPU_SPEC): Delete.
11548 (CPP_CPU_SPEC): Delete.
11550 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11551 (ASM_OUTPUT_LABEL): Define.
11552 (ASM_GLOBALIZE_LABEL): Define.
11553 (STRIP_NAME_ENCODING): Define.
11554 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11555 (STRIP_NAME_ENCODING): Don't define.
11556 (ASM_OUTPUT_LABEL): Don't define.
11557 (ASM_GLOBALIZE_LABEL): Don't define.
11558 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11559 names, and ASM_OUTPUT_LABEL to output labels, rather than
11561 (ASM_OUTPUT_LABEL): Define.
11562 (ASM_OUTPUT_INT): Use assemble_name.
11563 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11564 (STRIP_NAME_ENCODING): Don't undefine first.
11565 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11567 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11568 specified with 'asm' even with -fleading-underscore.
11569 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11570 (output_epilog): Likewise.
11571 (output_toc): Likewise.
11572 * tramp.asm: Handle -fleading-underscore correctly.
11574 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11576 (nonlocal_goto_receiver): Delete.
11577 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11579 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11580 (SET_ASM_OP): Define.
11581 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11583 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11584 (ASM_LONG): Define.
11586 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11587 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11589 * rs6000.h: Add 'u' to more constants.
11591 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11593 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11595 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11597 * rs6000.c (reg_or_u_cint_operand): New function.
11598 (logical_operand): Handle 64-bit hosts.
11599 (logical_u_operand): New function.
11600 (non_logical_cint_operand): Handle 64-bit hosts.
11601 (non_logical_u_cint_operand): New function.
11602 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11603 (PREDICATE_CODES): Define new functions.
11604 * rs6000-protos.h: Declare new functions.
11605 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11606 (movdi_64): Bracket code intended for 64-bit hosts. Create
11607 CONST_DOUBLE for 32-bit values.
11608 (scc insns): Generate DImode compares.
11609 (mfcr insns): Create DImode versions.
11610 (sge matchers): New patterns.
11612 2000-02-15 Gabriel Paubert <paubert@iram.es>
11614 * rs6000.md: Correct instructions length attributes and
11615 constraints on unsigned compare instructions.
11616 (*ne0): Disable for PowerPC64.
11618 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11620 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11621 quantity, fix profile1.C test failure under -fPIC.
11623 * rs6000.c: Add 'u' to many constants to suppress warnings.
11624 (constant_pool_expr_1): Make static.
11625 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11626 * rs6000.h: Add 'u' to many constants to suppress warnings.
11628 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11629 for the start of the TOC, instead of LCTOC..0.
11630 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11632 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11633 (load_toc_aix_di): Use LCTOC..1.
11635 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11636 * rs6000.c (rs6000_legitimize_address): New function from
11637 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11638 symbols in the constant pool that really are TOC references.
11639 (print_operand_address): For ELF, write TOC offsets under
11640 -fPIC as subtractions in the insn.
11641 (output_toc): For ELF, define symbols in TOC as normal labels,
11643 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11644 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11645 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11646 * rs6000.md (movsi): Only use create_TOC_reference on
11647 symbols in the constant pool that really are TOC references.
11649 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11650 * rs6000.c (rs6000_reorg): Delete.
11651 * rs6000-protos.h (rs6000_reorg): Delete.
11653 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11655 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11657 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11658 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11659 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11660 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11661 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11662 rs6000_aix_emit_builtin_unwind_init.
11663 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11664 rs6000_emit_eh_toc_restore on AIX.
11665 (return_eh_si): Use r2.
11666 (return_eh_di): Use r2.
11668 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11669 since we're breaking binary compatibility anyway.
11671 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11673 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11674 constant_pool_expr_p): Declare them.
11675 (constant_pool_expr_p): Declare it.
11676 * config/rs6000/rs6000.c (toc_label_name): Define.
11677 (rs6000_override_options): Set toc_label_name.
11678 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11679 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11680 uses_TOC): New functions.
11681 (print_operand): Delete old '*' case.
11682 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11683 and strip off rtl for TOC before calling output_addr_const.
11684 (rs6000_emit_load_toc_table): Use toc_label_name.
11685 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11687 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11688 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11689 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11690 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11691 into explicit TOC_REGISTER offsets.
11692 (TOC_REGISTER): New macro.
11693 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11694 TARGET_TOC to reference TOC_REGISTER.
11695 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11696 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11697 uses_TOC before emitting label references.
11699 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11701 * rs6000.md (stack_tie): Fix warning.
11703 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11704 to handle -fleading-underscore.
11705 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11706 (USER_LABEL_PREFIX): New macro.
11707 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11708 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11709 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11710 call-linux can use the same multilibs.
11711 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11712 and call-linux multilibs. Do multilib with -fleading-underscore.
11713 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11714 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11717 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11718 have MASK_SOFT_FLOAT set.
11719 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11720 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11721 CPP_FLOAT_DEFAULT_SPEC.
11723 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11724 * rs6000.md: Whitespace change.
11725 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11726 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11728 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11730 * rs6000.md (eh_epilogue): New expander.
11731 (eh_reg_restore): New expand/split/insn combination.
11732 (return_eh_si): New insn.
11733 (return_eh_di): New insn.
11735 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11736 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11737 * eabi-ctors.c (__do_global_ctors): Register this object's
11738 frame. Clean up. Call atexit() after the constructors.
11739 (__do_global_dtors): Deregister this object's frame. Clean up.
11740 Allow for recursive calls to exit().
11741 * rs6000.c (fixuplabelno): New variable.
11742 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11743 TARGET_RELOCATABLE, it slows down exec() under linux.
11744 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11746 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11747 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11748 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11749 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11750 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11751 (ASM_OUTPUT_DWARF_ADDR): New macro.
11752 (ASM_OUTPUT_DWARF_DATA4): New macro.
11753 (ASM_OUTPUT_DWARF_DATA2): New macro.
11754 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11755 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11756 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11758 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11760 * rs6000.c (rs6000_sr_alias_set): New variable.
11761 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11762 (rs6000_emit_stack_tie): New function.
11763 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11764 in a way that dwarf2out can understand.
11765 (rs6000_frame_related): New function.
11766 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11767 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11768 Use rs6000_emit_stack_tie when needed.
11769 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11770 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11771 * rs6000.md (stack_tie): New insn.
11772 (return_internal_si): Allow return value to be in the count
11774 (return_internal_di): Likewise.
11776 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11778 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11780 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11782 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11784 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11786 * rs6000.md (stmw): Use the right POWER opcode.
11789 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11791 * rs6000-protos.h: New file.
11793 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11795 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11798 * sysv4.h: Likewise.
11800 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11802 * ../../configure.in: Delete powerpcle-*-winnt*
11803 and powerpcle-*-pe|powerpcle-*-cygwin*.
11804 * ../../configure: Regenerated.
11805 * cygwin.h: Delete.
11806 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11807 (TARGET_WINDOWS_NT): Delete.
11809 (CALL_NT_DLLIMPORT): Delete.
11810 Delete NT-specific code.
11811 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11812 * win-nt.h: Delete.
11814 * nt-ci.asm: Delete.
11815 * nt-cn.asm: Delete.
11816 * ntstack.asm: Delete.
11818 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11820 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11821 (ASM_FILE_START): Likewise.
11822 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11823 (ASM_OUTPUT_LABELREF): Likewise.
11824 (ASM_OUTPUT_SKIP): Likewise.
11825 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11826 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11827 (ASM_OUTPUT_CASE_LABEL): Likewise.
11828 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11829 (ASM_OUTPUT_ASCII): Likewise.
11831 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11833 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11834 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11835 increment rs6000_pic_labelno here.
11836 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11837 and increment rs6000_pic_labelno here.
11839 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11841 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11842 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11843 allocation knows (reg) is dead before the insn.
11845 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11847 * rs6000.md (movsi_to_cr): Correct typo in output template.
11849 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11851 * rs6000.c (rs6000_pic_labelno): Always define.
11852 (rs6000_pic_func_labelno): Delete.
11853 (lmw_operation): Check for a zero base register,
11854 which doesn't mean what we want.
11855 (stmw_operation): New function.
11856 (print_operand): Define new 'l' modifier.
11857 (rs6000_stack_info): We must save all 64 bits of the registers
11858 if TARGET_POWERPC64.
11859 (rs6000_output_load_toc_table): Delete.
11860 (rs6000_emit_load_toc_table): New function.
11861 (rs6000_allocate_stack_space): Delete.
11862 (rs6000_emit_allocate_stack): New function.
11863 (rs6000_emit_prologue): New function.
11864 (output_prolog): Use rs6000_emit_prologue.
11865 (rs6000_emit_epilogue): Change a few variable names to be
11866 more accurate. Restore all 64 bits of the registers if
11867 TARGET_POWERPC64. Only restore the FP registers which were used
11868 if they are being saved/restored one-at-a-time.
11869 (output_mi_thunk): Delete inefficient code generation.
11870 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11871 * rs6000.h: Declare rs6000_emit_load_toc_table,
11872 rs6000_allocate_stack_space, stmw_operation. Don't declare
11873 rs6000_output_load_toc_table.
11874 * rs6000.md (elf_high): Allow register 0, but discourage it
11876 (elf_low): Support loading into register 0.
11877 (load_toc_aix_si): New pattern.
11878 (load_toc_aix_di): New pattern.
11879 (load_toc_v4_pic_si): New pattern.
11880 (load_toc_v4_pic_di): New pattern.
11881 (load_toc_v4_PIC_1): New pattern.
11882 (load_toc_v4_PIC_1b): New pattern.
11883 (load_toc_v4_PIC_2): New pattern.
11884 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11885 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11886 (prologue): New expander.
11887 (movesi_from_cr): New pattern.
11888 (stmw): New pattern.
11889 (save_fpregs_si): New pattern.
11890 (save_fpregs_di): New pattern.
11892 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11894 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11899 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11901 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11903 (movsi_got_internal): Likewise.
11904 (movsi_got_internal+1): Likewise.
11905 (set_sp): 'unspec 7' does a SImode clobber.
11907 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11909 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11910 allocate a stack temporary.
11911 (floatsidf2_internal): Likewise.
11912 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11914 (floatunssidf2): Don't use the fpmem "register", just
11915 allocate a stack temporary.
11916 (floatunssidf2_internal): Likewise.
11917 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11919 (floatsidf2_loadaddr): Delete.
11920 (floatsidf2_store1): Delete.
11921 (floatsidf2_store2): Delete.
11922 (floatsidf2_load): Delete.
11923 (fix_truncdfsi2): Don't use the fpmem "register", just
11924 allocate a stack temporary.
11925 (fix_truncdfsi2_internal_si): Delete.
11926 (fix_truncdfsi2_internal_di): Delete.
11927 (fix_truncdfsi2_internal): New insn.
11928 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11929 (fix_truncdfsi2_store): Delete.
11930 (fix_truncdfsi2_load): Delete.
11931 (fctiwz): Produce gen_fctiwz.
11933 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11935 * eabi.h (INVOKE__main): Define.
11936 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11938 (rs6000_emit_prologue): Likewise.
11939 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11940 this is the main program.
11942 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11944 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11946 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11948 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11949 goes after the argument.
11951 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11953 * rs6000.md: Document 'unspec' values used.
11954 (epilogue): New expander.
11955 (movesi_to_cr_one): New expander.
11956 (movesi_to_cr and following): New pattern.
11957 (lmw): New pattern.
11958 (return_internal_si): New pattern.
11959 (return_internal_di): New pattern.
11960 (return_and_restore_fpregs_si): New pattern.
11961 (return_and_restore_fpregs_di): New pattern.
11962 * rs6000.h: Declare new functions.
11963 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11964 rather than rs6000_calls_p.
11965 (rs6000_makes_calls): Delete.
11966 (lmw_operation): New function.
11967 (mtcrf_operation): New function.
11968 (rs6000_emit_epilogue): New function.
11969 (output_epilog): Call rs6000_emit_epilogue and final if
11970 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11972 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11974 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11975 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11976 * aix.h (SUBTARGET_SWITCHES): Document switches.
11977 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11978 sched-prolog and sched-epilog the same. Document all the
11980 (TARGET_OPTIONS): No longer allow -mdebug-.
11982 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11984 * rs6000.h (ASM_FILE_END): Move to aix.h.
11985 (EXTRA_SECTIONS): Move to aix.h.
11986 (READONLY_DATA_SECTION): Move to aix.h.
11987 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11988 (SELECT_SECTION): Move to aix.h.
11989 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11990 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11991 (LINK_REGISTER_REGNUM): New definition.
11992 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11993 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11995 * sysv4.h: Delete the code between the inclusion of rs6000.h
11997 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11998 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11999 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12000 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12001 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12002 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12003 (fix_truncdfsi2_internal_di): New pattern.
12004 (fix_truncdfsi2_store): The second arg here is Pmode too.
12005 (fix_truncdfsi2_load): The second arg here is Pmode too.
12006 (tablejumpdi): Now that switch tables hold only SImode values,
12007 gcc needs to know how to add them to the pc which is DImode.
12008 * rs6000.c (rs6000_stack_info): Use symbolic name for
12009 LINK_REGISTER_REGNUM.
12010 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12011 (output_toc): Delete unused variables s1 and s2.
12012 (output_ascii): Use fputs not fprintf on a variable string.
12014 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12016 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12017 * aix43.h: Revert Aug 2 change.
12018 (HAS_INIT_SECTION): Define, not visible yet.
12019 (LD_INIT_SWITCH): Define, not visible yet.
12020 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12022 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12024 * config/rs6000/rtems.h: Include config/rtems.h.
12026 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12028 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12029 (SLOW_UNALIGNED_ACCESS): Define.
12030 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12031 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12032 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12033 (toc_section): Likewise and .toc pseudo-op.
12034 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12036 (TEXT_SECTION_ASM_OP): Likewise.
12037 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12040 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12042 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12043 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12046 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12048 * rs6000.h: Move more stuff from here...
12050 * sysv4.h: Cleanup accordingly.
12051 * netware.h: Likewise
12053 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12055 * rs6000.h: Continue cleanup.
12057 * lynx.h: Likewise.
12058 * netware.h: Likewise.
12059 * sol2.h: Likewise.
12060 * sysv4.h: Likewise.
12061 * win-nt.h: Likewise.
12063 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12064 (TARGET_OPTIONS): Likewise.
12066 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12067 (SUBTARGET_OPTIONS): Likewise.
12069 * rs6000.md: Fix compile time warnings.
12071 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12073 vxworks patches from the Cygnus tree originally by
12074 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12075 <vmakarov@cygnus.com>.
12076 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12077 (ENDFILE_SPEC): Likewise.
12078 (LIB_VXWORKS_SPEC): New macro.
12079 (STARTFILE_VXWORKS_SPEC): New macro.
12080 (ENDFILE_VXWORKS_SPEC): New macro.
12081 (LINK_START_VXWORKS_SPEC): New macro.
12082 (LINK_OS_VXWORKS_SPEC): New macro.
12083 (CPP_OS_VXWORKS_SPEC): New macro.
12084 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12085 * vxppc.h: Rewrite to use proper configuration method.
12086 * vxppcle.h: New file.
12087 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12088 * ../../configure: Rebuilt.
12090 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12092 Lots of changes to rs6000.h, sysv4.h, aix.h,
12093 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12094 with the aim that rs6000.h is the first header
12095 included and the others override it.
12098 * x-aix41-gld: Remove.
12100 * x-aix41: Remove target-specific switches, and don't specify
12101 -Wl,-bbigtoc as we don't need it any more.
12102 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12103 Use t-aix43 for AIX 4.3 and above.
12104 * ../../configure: Regenerated.
12106 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12107 options, that don't do anything yet.
12108 (MASK_SCHED_PROLOG): New macro.
12109 (MASK_SCHED_EPILOG): New macro.
12110 (TARGET_SCHED_PROLOG): New macro.
12111 (TARGET_SCHED_EPILOG): New macro.
12113 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12115 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12116 one per translation unit, not one per function.
12117 (output_toc): Also do duplicate constant elimination
12118 for per-translation-unit TOCs.
12120 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12121 a comment explaining _exactly_ when this pattern gets used.
12122 (builtin_setjmp_receiver): New pattern for better clarity.
12123 (init_v4_pic): Move it into a section dealing with TOC registers.
12125 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12127 * rs6000.c (toc_hash_table): New variable.
12128 (rs6000_hash_constant): New function.
12129 (toc_hash_function): New function.
12130 (toc_hash_eq): New function.
12131 (toc_hash_mark_entry): New function.
12132 (toc_hash_mark_table): New function.
12133 (output_toc): Don't output duplicate TOC entries in
12135 (rs6000_add_gc_roots): Add the hash table as a GC root.
12136 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12137 where they clearly shouldn't be. This may need to be fixed
12138 later when there is a GNU ar for AIX.
12139 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12140 Don't define BOOT_LDFLAGS as it is now not necessary.
12142 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12144 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12145 for va_list on AIX. Use unsigned_char_type_node rather than
12146 constructing our own version on svr4.
12148 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12150 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12151 since patently it's not.
12153 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12155 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12156 define_expand/define_insn pair, and handle restore of the
12157 SVR4 -fpic register.
12159 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12161 * acconfig.h (HAVE_GAS_WEAK): New define.
12162 * configure.in (assembler weak support): Check for .weak support.
12163 * config.in, configure: Rebuilt.
12164 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12165 HAVE_GAS_WEAK is defined.
12167 2000-03-15 Nick Clifton <nickc@cygnus.com>
12169 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12172 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12174 * cppfiles.c (open_include_file): New function.
12175 (find_include_file, cpp_read_file): Use it.
12177 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12179 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12181 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12183 * flow.c (verify_flow_info): Check for unconditional return.
12185 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12187 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12188 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12189 (__ia64_restore_stack_nonlocal): New.
12190 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12192 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12194 * cpphash.c (collect_formal_parameters): Do not complain about
12195 parameter names that just start with `__VA_ARGS__'.
12197 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12199 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12200 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12201 * i386.c (pentiumpro_cost): Set mul cost to 4.
12202 (x86_use_movx): Set for PPro.
12204 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12206 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12207 STACK_BOUNDARY for empty frames now.
12209 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12211 * stor-layout.c (layout_union): Remove.
12212 (layout_union_field): New function, split out from layout_union.
12213 (finish_union_layout): Likewise.
12214 (layout_field): Handle unions by calling layout_union_field.
12215 (finish_record_layout): Handle unions.
12216 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12217 QUAL_UNION_TYPE handling.
12219 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12221 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12222 end of basic block is jump_insn, not barrier; use create_basic_block
12223 instead of creating basic block by hand.
12225 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12227 * flow.c (reorder_basic_blocks): Account for barriers when writing
12228 over NEXT_INSN (last_bb->end).
12229 (verify_flow_info): Add check for missing barriers.
12231 2000-03-14 Greg McGary <gkm@gnu.org>
12233 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12234 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12235 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12236 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12237 __unbounded, __unbounded__): New keywords.
12238 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12239 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12240 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12242 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12244 * cselib.h: New file.
12245 * alias.c: Include "cselib.h".
12246 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12247 MEMs as two new arguments.
12248 (get_addr): New static function.
12249 (find_base_term): Handle VALUEs.
12250 (memrefs_conflict_p): Likewise.
12251 (true_dependence): Call get_addr on the addresses.
12252 Call fixed_scalar_and_varying_struct_p with addresses that have been
12253 passed through get_addr and canon_rtx.
12254 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12255 with true_dependence.
12256 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12257 * loop.c: Include "cselib.h".
12258 (load_mems): Process extended basic block that enters the loop with
12259 cselib. Use that information to change initialization of the shadow
12260 register so that a constant equivalence is seen by later passes.
12261 * reload1.c: Include "cselib.h".
12262 (reload_cse_invalidate_regno): Delete function.
12263 (reload_cse_mem_conflict_p): Likewise.
12264 (reload_cse_invalidate_mem): Likewise.
12265 (reload_cse_invalidate_rtx): Likewise.
12266 (reload_cse_regno_equal_p): Likewise.
12267 (reload_cse_check_clobber): Likewise.
12268 (reload_cse_record_set): Likewise.
12269 (reg_values): Delete static variable.
12270 (invalidate_regno_rtx): Likewise.
12271 (reload_cse_delete_noop_set): New static function.
12272 (reload_cse_simplify): New static function, broken out of
12274 (reload_cse_noop_set_p): Delete unused argument INSN.
12275 Just call rtx_equal_for_cselib_p on set source and destination.
12276 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12277 reload_cse_delete_noop_set. Delete code to keep track of values; use
12278 cselib functions instead. Delete code to push/pop obstacks.
12279 (reload_cse_simplify_set): Use cselib to find equivalent values.
12280 Delete code to push/pop obstacks.
12281 (reload_cse_simplify_operands): Likewise.
12282 * rtl.def (VALUE): New rtx code.
12283 * rtl.h (union rtunion_def): New elt rt_cselib.
12284 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12285 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12286 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12287 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12288 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12289 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12290 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12291 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12292 cselib_record_set, cselib_record_sets): New static functions.
12293 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12294 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12295 references_value_p): New functions.
12296 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12297 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12298 n_useless_values, reg_values, callmem, cselib_obstack,
12299 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12300 New static variables.
12301 * varray.h (union varray_data_tag): New elt te.
12302 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12303 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12306 2000-03-14 Nick Clifton <nickc@cygnus.com>
12308 * gcc.c (do_spec_1): Catch the case where %* is used in a
12309 substitution pattern, but it has not been initialised.
12310 Issue a meaningful error message if an unrecognised operator
12311 is encountered in a spec string.
12313 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12315 * function.c (prepare_function_start): Correctly initialize
12316 cfun->stack_alignment_needed.
12318 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12320 * cppfiles.c (find_include_file): Don't assume nshort is a
12323 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12325 * configure.in (hppa configurations): Add pa32-regs.h to the
12326 list of tm files as appropriate.
12327 * configure: Rebuilt.
12328 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12329 register numbering.
12330 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12331 (fmpyaddoperands, fmpysuboperands): Likewise.
12332 * pa.h: Remove various definitions which depend on knowing
12333 how registers are numbered.
12334 * pa32-regs.h: New file with PA32 register numbering specific
12337 2000-03-14 Richard Henderson <rth@cygnus.com>
12339 * regmove.c (combine_stack_adjustments): New.
12340 (stack_memref_p, single_set_for_csa): New.
12341 (free_csa_memlist, record_one_stack_memref): New.
12342 (try_apply_stack_adjustment): New.
12343 (combine_stack_adjustments_for_block): New.
12344 * rtl.h (combine_stack_adjustments): Declare.
12345 * toplev.c (rest_of_compilation): Call it.
12347 * i386.md: Revert 2000-01-16 change.
12349 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12351 * gccbug.in: Add web category, gcc specific classes.
12353 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12355 * stor-layout.c (finalize_record_size): Fix typo.
12357 2000-03-14 Stan Shebs <shebs@apple.com>
12359 * c-typeck.c (c_alignof): Error on incomplete types.
12360 * extend.texi (Alignment): Document this.
12362 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12364 * cppfiles.c: Include mkdeps.h.
12365 (find_include_file, read_include_file): Remove _cpp_ prefix
12366 from name, make static.
12367 (_cpp_execute_include): New function, broken out of
12370 * cpplib.c: Don't include mkdeps.h.
12371 (struct directive): Remove type field. Reorder entries. The
12372 function takes only one argument.
12373 (struct if_stack): Make type field an int.
12374 (directive_table): Rename to dtable. Generate it, the
12375 prototypes of the directive handlers, and the enum for the
12376 directive numbers, from a template macro.
12377 (do_ifndef, do_include_next, do_import): New functions.
12378 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12379 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12380 do_ident, do_assert, do_unassert, do_sccs): Take only one
12382 (do_sccs): Define always, but alter behavior based on
12384 (_cpp_handle_directive, consider_directive_while_skipping):
12385 Restructure for new directive table layout.
12387 (pass_thru_directive): Take a directive number, not a pointer
12388 to a struct directive.
12389 (parse_include): New function, broken out of do_include.
12390 (do_include, do_import, do_include_next): Use parse_include
12391 and _cpp_execute_include.
12392 (do_elif, do_else): Test for T_ELSE specifically when checking
12393 for #elif/#else after #else.
12394 (parse_ifdef): New function, broken out of do_ifdef.
12395 (validate_else): Expect a name arg without a leading #.
12396 (if_directive_name): Delete.
12397 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12398 directive handlers with only one argument.
12400 * cpphash.h: Update prototypes.
12401 (enum node_type): Remove entries for directives.
12402 * Makefile.in: Update dependencies.
12404 * cpphash.c (dump_hash_helper): Only dump nodes of type
12405 T_MACRO. Emit a newline after each definition.
12407 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12409 * gccbug.in: New file.
12410 * configure.in (all_outputs): Add gccbug.
12411 * Makefile.in (install-common): Install gccbug.
12412 (GCCBUG_INSTALL_NAME): New variable.
12413 * configure: Rebuilt.
12415 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12417 * function.c (put_var_into_stack): Use type_for_mode to calculate
12418 part_type. Use MEM_SET_IN_STRUCT_P.
12419 * expr.c (store_field): Handle CONCAT.
12420 (store_constructor): Use fields_length.
12421 * tree.c (fields_length): New fn.
12422 * tree.h: Declare it.
12424 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12426 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12427 (cpplex.o): New target.
12428 * po/POTFILES.in: Add cpplex.c.
12430 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12431 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12432 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12433 skip_block_comment, skip_line_comment, skip_comment,
12434 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12435 _cpp_parse_name, skip_string, parse_string,
12436 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12437 _cpp_get_directive_token, find_position,
12438 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12439 (maybe_macroexpand, _cpp_lex_token): New functions.
12441 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12442 parse_goto_mark): Delete.
12443 (_cpp_handle_eof): New function.
12444 (_cpp_handle_directive): Rename from handle_directive.
12445 (_cpp_output_line_command): Rename from output_line_command.
12446 (do_if, do_elif): Call _cpp_parse_expr directly.
12447 * cppfiles.c (_cpp_read_include_file): Don't call
12448 init_input_buffer here.
12449 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12450 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12451 here; pop the token_buffer and skip the rest of the line here.
12452 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12455 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12457 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12458 CPP_GOTO_MARK): New macros.
12459 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12460 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12461 _cpp_read_and_prescan, _cpp_init_input_buffer,
12462 _cpp_grow_token_buffer, _cpp_get_directive_token,
12463 _cpp_handle_directive, _cpp_handle_eof,
12464 _cpp_output_line_command): Prototype them here.
12465 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12466 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12467 quote_string, output_line_command): Remove.
12469 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12471 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12472 whether it is too large we must also verify that it isn't negative.
12474 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12476 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12477 (movsi_zero_liveg0): Remove.
12478 (movsf_insn_novis_liveg0): Remove.
12480 (negsi2_not_liveg0): Rename to negsi2.
12481 (one_cmplsi2): Remove.
12482 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12483 (one_cmplsi2_liveg0): Remove.
12484 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12485 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12486 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12487 (PREDICATE_CODES): Remove zero_operand.
12488 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12489 TARGET_BROKEN_SAVERESTORE.
12490 (zero_operand): Remove.
12491 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12492 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12494 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12495 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12496 TARGET_BROKEN_SAVERESTORE): Remove.
12497 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12499 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12501 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12504 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12506 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12508 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12509 truncating a string. Don't assume tokens are nul terminated.
12510 Problem noted by Andreas Jaeger <aj@suse.de>
12512 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12514 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12515 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12516 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12518 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12520 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12521 STRUCTURE_SIZE_BOUNDARY.
12523 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12525 * tree.h (record_layout_info_s): New structure.
12526 (record_layout_info): New type.
12527 (new_record_layout_info): New function.
12528 (layout_field): Likewise.
12529 (finish_record_layout): Likewise.
12530 * stor-layout.c (layout_record): Remove.
12531 (new_record_layout_info): New function.
12532 (layout_field): New function, broken out from layout_record.
12533 (finalize_record_size): Likewise.
12534 (compute_record_mode): Likewise.
12535 (finalize_type_size): New function, broken out from layout_type.
12536 (finish_record_layout): Likewise.
12537 (layout_type): Use them.
12539 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12541 * cpphash.c: Don't include version.h.
12542 (special_symbol) [case T_VERSION]: Look for the string in
12543 hp->value.cpval; don't use version_string.
12544 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12545 __VERSION__ to version_string.
12546 * Makefile.in (cpphash.o): Update deps.
12548 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12550 Convert cpplib to use libiberty/hashtab.c.
12552 * cpplib.h (struct cpp_reader): Make hashtab and
12553 all_include_files of type 'struct htab *'. Delete HASHSIZE
12554 and ALL_INCLUDE_HASHSIZE macros.
12556 * cpphash.h: Update prototypes.
12557 (struct hashnode): Remove next, prev, and bucket_hdr members.
12558 Make length a size_t. Add hash member.
12559 (struct ihash): Remove next member. Add hash member. Make
12560 name a flexible array member.
12562 * cppfiles.c: Include hashtab.h.
12563 (include_hash): Delete.
12564 (IHASHSIZE): New macro.
12565 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12566 (cpp_included): Do the hash lookup here.
12567 (_cpp_find_include_file): Rewrite.
12568 (cpp_read_file): Put the "fake" hash entry into the hash
12569 table. Honor the control_macro, if it turns out we've seen
12570 the file before. Don't push the buffer here.
12571 (_cpp_read_include_file): Push the buffer here.
12572 (OMODES): New macro. Use it whenever we call open(2).
12574 * cpphash.c: Include hashtab.h.
12575 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12576 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12577 _cpp_lookup_slot): New functions.
12578 (HASHSIZE): new macro.
12579 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12580 (_cpp_lookup): Use hashtab.h routines.
12582 * cppinit.c: Include hashtab.h.
12583 (cpp_reader_init): Call _cpp_init_macro_hash and
12584 _cpp_init_include_hash. Don't allocate hashtab directly.
12585 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12586 pfile->all_include_files.
12587 (initialize_builtins): Use _cpp_make_hashnode and
12588 htab_find_slot to add hash entries.
12589 (cpp_finish): Just call _cpp_dump_macro_hash.
12590 * cpplib.c: Include hashtab.h.
12591 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12592 create hash entries.
12593 (do_pragma_poison, do_assert): Likewise.
12594 (do_include): Don't push the buffer here. Don't increment
12595 system_include_depth unless _cpp_read_include_file succeeds.
12596 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12597 or htab_remove_elt.
12598 (do_pragma_implementation): Use alloca to create copy.
12600 * Makefile.in: Update dependencies.
12602 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12604 * cppinit.c (cl_directive_handler): More K&R fixing.
12606 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12608 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12610 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12612 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12614 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12615 Change from char[] to macros.
12617 2000-03-12 Neil Booth <NeilB@earthling.net>
12619 * cppinit.c (cpp_start_read): Update indirect function
12622 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12624 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12627 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12628 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12630 2000-03-11 Neil Booth <NeilB@earthling.net>
12632 * cppinit.c (struct pending option): Replace undef with a
12633 pointer to a directive handling routine.
12634 (struct cpp_pending): Replace separate assert_ and define_
12635 lists with one directive_ list.
12636 (new_pending_define): Rename new_pending_directive. Extra
12637 argument is the directive's handling routine.
12638 (handle_option): Update to use new_pending_directive.
12640 2000-03-11 Neil Booth <NeilB@earthling.net>
12642 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12643 remap_filename, _cpp_read_include_file, actual_directory,
12644 hack_vms_include_specification): Replace bcopy(), index() etc
12645 calls. Add casts to some allocations. Make some variables
12646 pointers to const [unsigned] char.
12647 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12648 collect_formal_parameters): Similarly.
12649 * cppinit.c (struct pending_option, append_include_chain,
12650 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12651 cpp_start_read, new_pending_define, handle_option): Similarly.
12652 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12653 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12654 do_pragma_implementation, detect_if_not_defined,
12655 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12656 do_assert, do_unassert): Similarly.
12657 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12658 function prototypes.
12659 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12661 2000-03-10 Richard Henderson <rth@cygnus.com>
12663 * builtins.c (expand_builtin_strlen): Revert last change.
12664 Use emit_insn_before if we're at the beginning of a sequence.
12666 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12668 * builtins.c (expand_builtin_strlen): Make sure that we have something
12669 at the beginning of the sequence.
12671 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12674 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12676 2000-03-10 Richard Henderson <rth@cygnus.com>
12678 * except.c (can_throw): Use INTVAL on a CONST_INT.
12679 (reachable_handlers): Likewise.
12680 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12682 2000-03-10 Andreas Jaeger <aj@suse.de>
12684 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12685 MD_STARTFILE_PREFIX since those are not needed on linux.
12686 (ASM_FILE_START): New, from mips/gnu.h.
12688 2000-03-09 Richard Henderson <rth@cygnus.com>
12689 Alex Samuel <samuel@codesourcery.com> and others
12691 * Makefile.in (ssa.o): New rule.
12693 (STAGESTUFF): Add *.ssa and *.ussa.
12694 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12695 * rtl.def (PHI): New RTL expression.
12696 * rtl.h (clear_log_links): New declaration.
12697 (convert_to_ssa): Likewise.
12698 (convert_from_ssa): Likewise.
12699 * flow.c (split_edge): If the entry node falls through to the
12700 split edge's source block, split the entry edge.
12701 (clear_log_links): New function.
12702 * toplev.c (ssa_dump): New variable.
12703 (flag_ssa): Likewise.
12704 (f_options): Add "ssa".
12705 (compile_file): Create SSA dump files.
12706 (rest_of_compilation): Go to and from SSA if enabled.
12707 (decide_d_option): Handle -de for SSA dump files.
12710 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12712 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12715 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12717 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12719 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12721 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12722 (MD_STARTFILE_PREFIX_1): New macro.
12724 2000-03-09 Robert Lipe <robertl@sco.com>
12726 * config/ia64/ia64.c: Include system.h.
12728 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12730 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12731 (init_eh_nesting_info): Likewise.
12733 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12734 (TREE_NOTHROW): Rename from TREE_RAISES.
12735 * toplev.c (rest_of_compilation): Set it.
12736 * print-tree.c (print_node): Adjust.
12737 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12738 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12739 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12740 REG_EH_REGION note as appropriate.
12741 (libfunc_nothrow): New fn.
12742 (emit_library_call, emit_library_call_value): Use it.
12743 (expand_call): Check TREE_NOTHROW.
12745 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12746 DECL_ASSEMBLER_NAME.
12748 2000-03-09 Andreas Jaeger <aj@suse.de>
12750 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12751 (TARGET_MEM_FUNCTIONS): Define.
12753 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12755 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12757 * except.c (can_throw): See through a SEQUENCE.
12758 (nothrow_function_p): New fn.
12759 * except.h: Declare it.
12760 * function.c (current_function_nothrow): New var.
12761 (prepare_function_start): Initialize it.
12762 * output.h: Declare it.
12763 * toplev.c (rest_of_compilation): Set it.
12764 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12766 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12768 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12769 match. (cpp_compare_defs): Count the nul separator when
12770 advancing over argument names.
12772 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12774 * recog.c (preprocess_constraints): Matching constraints affect
12775 same alternative/different operand, not same operand/different
12778 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12779 register and a constant specially.
12781 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12783 * libgcc2.h: New file.
12784 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12786 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12788 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12789 * configure: Regenerate.
12790 * config/ia64: New.
12792 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12794 * Makefile.in (LIBCPP_DEPS): New macro.
12795 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12796 it to declare deps.
12797 * cpperror.c: Include cpphash.h.
12798 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12800 (lex): Don't use CPP_WARN_UNDEF.
12801 (_cpp_parse_expr): Return an int, the truth value.
12802 * cppfiles.c: Include cpphash.h.
12803 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12804 * cppinit.c (include_defaults_array): Disentangle.
12805 (cpp_cleanup): Don't free the if stack here.
12806 (cpp_finish): Pop off all buffers, not just one.
12807 * cpplib.c (eval_if_expr): Return int.
12808 (do_xifdef): Rename do_ifdef.
12809 (handle_directive): Don't use CPP_PREPROCESSED.
12810 (cpp_get_token): Don't use CPP_C89.
12811 * fix-header.c: Don't use CPP_OPTIONS.
12813 * cpplib.h: Move U_CHAR, enum node_type, struct
12814 file_name_list, struct ihash, is_idchar, is_idstart,
12815 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12816 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12817 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12818 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12819 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12820 of _cpp_simplify_pathname, _cpp_find_include_file,
12821 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12822 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12824 Change all uses of U_CHAR to be unsigned char instead.
12825 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12827 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12829 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12830 (dwarf2out_begin_prologue): Set it.
12831 (output_call_frame_info): Don't emit EH unwind info for leaves.
12833 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12834 can occur outside of an EH region.
12835 * except.c: Correct comments about rethrow behavior.
12836 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12838 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12840 * flow.c (make_edges): Always call make_eh_edge for calls.
12842 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12844 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12845 (struct cpp_buffer): Remove fname and underflow fields.
12846 (struct cpp_reader): Remove get_token field.
12847 (struct include_hash): Rename to struct ihash. Add typedef to
12849 (struct if_stack): Remove fname field.
12850 (IF_STACK_FRAME): Rename to IF_STACK.
12852 * cpperror.c (print_containing_files): Trust that there are no
12853 macro buffers below the top file buffer.
12854 * cppfiles.c: Replace all references to 'struct include_hash'
12855 with 'IHASH'. Rename initialize_input_buffer to
12856 init_input_buffer. Don't set or reference cpp_buffer->fname,
12857 use buffer->ihash->name instead.
12858 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12859 not CPP_NULL_BUFFER.
12860 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12861 IF_STACK_FRAME, IHASH not struct include_hash.
12862 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12863 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12864 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12865 references to cpp_buffer->fname (delete entirely, or use
12866 ->ihash->name instead) and IF_STACK->fname.
12867 (cpp_push_buffer): Don't set new->underflow.
12868 (do_include): Use cpp_file_buffer.
12870 * cpphash.c (collect_formal_parameters): Remove duplicate
12871 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12872 used as a macro argument name. Don't append "..." to namebuf
12873 for varargs macros. After we're done scanning, go through
12874 namebuf and make it NUL separated, not comma separated.
12875 (_cpp_compare_defs): Remove register tag from variables.
12876 Expect defn->argnames to be NUL separated.
12877 (_cpp_dump_definition): Expect defn->argnames to be NUL
12878 separated and in forward order.
12879 * cpphash.h: Update documentation of argnames field.
12881 2000-03-08 Richard Henderson <rth@cygnus.com>
12883 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12884 to fail. Don't pre-expand the source operand.
12886 * i386.md (strlensi): Initialize eoschar and align before use.
12888 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12890 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12891 CONSTRUCTOR element.
12893 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12895 * mips.c (mips_expand_prologue): If the last
12896 named argument is the vararg marker "va_list", treat it as
12897 an unnamed argument.
12899 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12901 * dbxout.c (dbxout_parms): When correcting for promoted
12902 big-endian parameters, use the mode of the DECL_RTL rather
12903 than UNITS_PER_WORD.
12905 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12907 * c-common.h (make_fname_decl): Declare.
12908 * c-common.c (make_fname_decl): Define.
12909 (declare_hidden_char_array): Remove.
12910 (declare_function_name): Use make_fname_decl.
12911 * c-decl.c (c_make_fname_decl): New function.
12912 (init_decl_processing): Set make_fname_decl.
12914 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12916 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12918 2000-03-07 Philipp Thomas <pthomas@suse.de>
12920 * po/POTFILES.in: Remove cppalloc.c from file list.
12922 2000-03-07 Steve Chamberlain <sac@pobox.com>
12924 * pj.c (pj_expand_prologue): current_function->args_info is
12925 now current_function_args_info.
12927 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12928 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12929 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12931 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12933 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12934 output as hexadecimal rather than the default octal.
12936 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12938 * cpphash.c (special_symbol): Fix thinko in previous commit.
12940 2000-03-07 Neil Booth <NeilB@earthling.net>
12942 * cppexp.c (struct operation, left_shift, right_shift,
12943 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12944 "int"s to "unsigned int"s.
12945 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12947 * cpplib.h: Update for above.
12948 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12949 returned from allocations.
12951 * cppinit.c (opt_comp, parse_options): New functions.
12952 (handle_option): Use parse_option to parse a single command
12953 line option, that possibly takes an argument.
12954 (cpp_handle_options): Sort the array of command line options on
12955 first invocation (non-ASCII hosts only).
12956 (print_help): Update.
12958 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12960 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12961 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12963 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12965 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12967 * cpperror.c (cpp_print_containing_files,
12968 cpp_print_file_and_line, v_cpp_message): Rename to
12969 print_containing_files, print_file_and_line, and v_message.
12970 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12971 to _cpp_parse_expr, parse_escape, and lex.
12972 (parse_charconst): Remove broken multibyte support.
12973 * cppfiles.c (include_hash): Make static.
12974 (cpp_included): New function.
12975 (merge_include_chains, find_include_file, finclude,
12976 simplify_pathname): Rename to _cpp_merge_include_chains,
12977 _cpp_find_include_file, _cpp_read_include_file, and
12978 _cpp_simplify_pathname.
12979 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12980 cpp_install, create_definition, macroexpand, compare_defs,
12981 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12982 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12983 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12984 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12986 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12988 * cpphash.h: Update prototypes.
12989 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12991 2000-03-07 Andrew Haley <aph@cygnus.com>
12993 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12994 PTRDIFF_TYPE should be based solely on Pmode.
12995 (SIZE_TYPE): ditto.
12997 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12999 * rtl.h (rtunion_def): Constify member `rtstr'.
13000 (emit_line_note_after, emit_line_note, emit_line_note_force,
13001 emit_note, decode_asm_operands): Constify.
13003 * cse.c (canon_hash): Likewise.
13005 * dbxout.c (dbxout_block): Likewise.
13007 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13008 v_warning_for_asm): Likewise.
13010 * dwarfout.c (function_start_label): Likewise.
13012 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13013 emit_line_note_force): Likewise.
13015 * final.c (last_filename, asm_insn_count, final_scan_insn,
13016 output_source_line): Likewise.
13018 * function.h (struct emit_status): Likewise.
13020 * gcse.c (hash_expr_1): Likewise.
13022 * genattr.c (gen_attr, main): Likewise.
13024 * genattrtab.c (struct function_unit, current_alternative_string,
13025 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13026 attr_numeral, check_attr_test, check_attr_value,
13027 convert_set_attr_alternative, convert_set_attr,
13028 compute_alternative_mask, simplify_by_exploding, gen_attr,
13029 gen_unit): Likewise.
13031 * genflags.c (gen_insn): Likewise.
13033 * gengenrtl.c (type_from_format): Likewise.
13035 * genopinit.c (gen_insn): Likewise.
13037 * genoutput.c (n_occurrences, process_template, process_template):
13040 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13043 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13046 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13047 ggc_set_mark, ggc_get_size): Likewise.
13049 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13051 * optabs.c (init_one_libfunc): Likewise.
13053 * output.h (assemble_start_function): Likewise.
13055 * recog.c (decode_asm_operands): Likewise.
13057 * toplev.c (rest_of_compilation): Likewise.
13059 * tree.h (emit_line_note_after, emit_line_note,
13060 emit_line_note_force): Likewise.
13062 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13063 asm_emit_uninitialised, assemble_start_function,
13064 assemble_variable, const_hash, compare_constant_1,
13065 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13067 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13069 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13071 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13073 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13075 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13076 arm_dllimport_name_p): Likewise.
13078 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13081 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13083 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13085 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13086 arm_mark_dllexport, arm_mark_dllimport,
13087 arm_pe_encode_section_info): Likewise.
13089 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13090 ASM_FINISH_DECLARE_OBJECT): Likewise.
13092 * arm/thumb.c (thumb_function_prologue): Likewise.
13094 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13096 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13098 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13100 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13102 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13104 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13106 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13107 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13109 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13111 * i386/i386.c (asm_output_function_prefix): Likewise.
13113 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13115 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13117 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13119 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13120 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13121 ASM_OUTPUT_SECTION_NAME): Likewise.
13123 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13125 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13127 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13129 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13131 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13133 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13135 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13137 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13139 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13141 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13143 * mips/mips.md (movdi, movsi): Likewise.
13145 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13147 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13149 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13151 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13152 ASM_OUTPUT_ASCII): Likewise.
13154 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13155 output_mi_thunk, output_toc): Likewise.
13157 * rs6000/rs6000.md (movsi): Likewise.
13159 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13161 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13163 * v850/v850.c (print_operand, print_operand_address,
13164 v850_encode_data_area): Likewise.
13166 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13168 * config/mips/mips.md (zero_extendsidi2): Always force operand
13169 one to memory for mips16.
13171 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13173 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13174 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13175 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13176 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13177 (min_precision): Result is unsigned.
13178 (add_double, neg_double, mul_double): Low word is unsigned.
13179 (lshift_double, rshift_double, lrotate_double): Likewise.
13180 (rrotate_double, div_and_round_double): Likewise.
13181 (tree_floor_log2, compare_tree_int): New functions.
13182 (preserve_rtl_expr_temps): New declaration.
13183 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13184 (decl_attributes): Use tree_log2 to find alignment.
13185 Check for TREE_INT_CST_HIGH for format args.
13186 (min_precision): Now unsigned.
13187 Use tree_floor_log2.
13188 (truthvalue_conversion): Delete long-disabled code.
13189 * c-decl.c (finish_struct): Clean up tests on field width.
13190 (finish_function): Use compare_tree_int.
13191 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13192 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13193 (default_conversion, digest_init): Use compare_tree_int.
13194 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13195 Fix type errors in forming masks.
13196 * calls.c (initialize_argument_information): Use compare_tree_int.
13197 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13198 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13199 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13200 (store_field): Use compare_tree_int.
13201 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13202 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13203 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13204 (do_store_flag): Use compare_tree_int.
13205 * fold-const.c (encode, decode): Low part is always unsigned.
13206 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13207 (lshift_double, rshift_double, lrotate_double): Likewise.
13208 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13209 (fold_convert): Use compare_tree_int.
13210 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13211 (invert_truthvalue, case INTEGER_CST): Likewise.
13212 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13213 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13214 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13215 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13217 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13218 (expand_end_case): Use compare_tree_int.
13219 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13220 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13221 (layout_decl): Likewise.
13222 (layout_record, layout_union): Make sizes unsigned.
13223 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13224 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13225 * tree.c (struct type_hash): hashcode is unsigned.
13226 (build_type_attribute_variant, type_hash_list): Likewise.
13227 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13228 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13229 (build_complex_type): Likewise.
13230 (real_value_from_int_cst): Remove unneeded casts.
13231 (integer_all_onesp): Add casts.
13232 (tree_floor_log2, compare_tree_int): New functions.
13233 (build_index_type): Use tree_int_cst_sgn.
13234 * varasm.c (assemble_variable): Use compare_tree_int.
13236 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13238 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13240 * varasm.c (make_decl_rtl): Don't add a number to members of
13242 (make_function_rtl): Likewise.
13244 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13246 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13247 patch from 2000-01-28.
13249 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13251 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13252 filled with an insn from the jump target.
13254 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13256 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13257 (c4x_external_ref): Likewise.
13258 * config/c4x/c4x.c (struct name_list): Likewise.
13260 1999-12-16 Ben Collins <bcollins@debian.org>
13262 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13263 argument to genmultilib.
13264 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13265 the contents into the multilib.h header.
13266 * gcc.c: Declare multilib_exclusions for the specs file.
13267 (set_multilib_dir): Use it.
13268 (print_multilib_info): Likewise.
13269 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13270 to pass to genmultilib.
13272 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13274 * builtins.c (built_in_class_names, built_in_names): Constify a
13277 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13279 (_mcleanup): Ensure value matches format specifier in sprintf.
13281 * cpphash.c (special_symbol): Don't needlessly cast away
13284 * cppinit.c (base_name): Delete unused prototype.
13286 * mkdeps.c (deps_init): Make definition K&R safe.
13288 * tree.h (built_in_class_names, built_in_names): Constify a
13291 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13293 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13294 floating point instructions for epilogue delay.
13296 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13297 to gas if it supports .register pseudo.
13299 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13300 LONG_DOUBLE_TYPE_SIZE if not defined.
13301 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13302 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13303 * real.c: Likewise.
13304 * gengenrtl.c: Likewise.
13305 * print-rtl.c: Likewise.
13307 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13308 MASK_LONG_DOUBLE_128.
13309 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13310 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13311 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13312 (SUBTARGET_SWITCHES): Define.
13313 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13314 with -mlong-double-128.
13315 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13316 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13317 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13318 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13319 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13320 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13321 with -mlong-double-128.
13322 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13323 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13324 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13325 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13326 TARGET_LONG_DOUBLE_128): Define.
13327 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13328 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13329 long double on TARGET_ARCH64.
13331 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13333 * function.c (free_temps_for_rtl_expr): Don't free slots
13334 that have been pushed into a higher level.
13337 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13339 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13341 * basic-block.h (ALLOCA_REG_SET): Remove.
13342 (INITIALIZE_REG_SET): New macro.
13343 * flow.c (update_life_info): Use it.
13344 (calculate_global_regs_live): Likewise.
13345 (propagate_block): Likewise.
13346 * global.c (build_insn_chain): Likewise.
13347 * haifa-sched.c (schedule_region): Likewise.
13349 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13351 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13352 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13353 (DWARF_ARANGES_PAD_SIZE): New define.
13354 (output_aranges): Use it to pad the address range header.
13355 (DWARF_ROUND): Fix for non power of 2 rounding.
13357 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13359 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13361 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13363 * tree.def (RTL_EXPR): Update documentation.
13364 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13365 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13366 * function.c (preserve_rtl_expr_temp): New function.
13367 (preserve_rtl_expr_temps): Likewise.
13368 (preserve_rtl_expr_result): Use it.
13371 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13373 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13375 * regmove.c (copy_src_to_dest) Do not create src->dest move
13376 for unchanging destination.
13378 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13380 * function.h (struct sequence_stack): Remove rtl_expr.
13381 (struct emit_staus): Likewise.
13382 (seq_rtl_expr): Remove.
13383 * tree.h (free_temps_for_rtl_expr): Don't declare.
13384 (start_sequence_for_rtl_expr): Likewise.
13385 * rtl.h (preserve_rtl_expr_result): Likewise.
13386 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13387 (start_sequence_for_rtl_expr): Remove.
13388 (push_topmost_sequence): Don't save sequence_rtl_expr.
13389 (pop_topmost_sequence): Remove comment about not restoring it.
13390 (end_sequence): Don't set seq_rtl_expr.
13391 (init_emit): Don't initialize it.
13392 (mark_sequence_stack): Don't mark it.
13393 (mark_emit_status): Likewise.
13394 * except.c (protect_with_terminate): Use
13395 start_sequence_for_rtl_expr, not start_sequence.
13396 * expr.c (expand_expr, case RTL_EXPR): Don't call
13397 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13398 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13399 (preserve_rtl_expr_result): Remove.
13400 (free_temps_for_rtl_expr): Likewise.
13401 (pop_temp_slots): Likewise.
13402 (mark_temp_slot): Don't mark the rtl_expr.
13403 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13404 start_sequence_for_rtl_expr.
13406 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13408 * mkdeps.c, mkdeps.h: New files.
13409 * po/POTFILES.in: Add them.
13410 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13411 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13412 (mkdeps.o): New target.
13414 * cppfiles.c: Delete deps_output.
13415 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13416 OBJECT_SUFFIX, and base_name.
13417 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13419 (initialize_dependency_output): Use deps_init,
13420 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13421 all the unnecessary string bashing.
13422 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13424 * cpplib.c (do_include): Use deps_add_dep.
13425 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13426 deps_allocated_size, deps_size, deps_column members with
13427 single pointer to a struct deps. Delete prototype of
13430 * cppinit.c: Fix thinko in previous patch.
13432 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13434 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13435 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13436 (mode_for_size_tree): New function.
13437 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13438 * tree.h (mode_for_size_tree): New declaration.
13440 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13442 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13444 * stmt.c (is_body_block): Move...
13445 * dwarfout.c, dwarf2out.c: ...from here.
13446 * tree.h: Declare it.
13447 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13448 * final.c (final_start_function): Do call remove_unnecessary_notes
13451 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13453 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13455 * cpplib.h (_dollar_ok): New macro.
13456 (is_idchar, is_idstart): Use it.
13457 (IStable): Rename to _cpp_IStable. Declare it const if
13458 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13459 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13460 is_space): Update for renamed IStable.
13462 * cppinit.c: Delete all references to FAKE_CONST and CAT
13463 macros. Define init_IStable as empty macro if gcc >=2.7 or
13464 C99. Change TABLE() to ISTABLE and hardcode name of table.
13465 (cpp_start_read): Don't change the IStable based on
13468 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13469 changed. Handle '$' for char1 correctly.
13470 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13472 * cppexp.c (tokentab2): Make const.
13473 (cpp_lex): Make toktab const.
13474 * cppinit.c (include_defaults_array): Make const.
13475 (initialize_standard_includes): Make default_include const.
13477 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13479 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13480 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13481 (gen_decl_die): Likewise.
13482 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13483 (output_decl): Likewise.
13485 * varasm.c (make_function_rtl): If we change the name used in the
13486 rtl, update DECL_ASSEMBLER_NAME accordingly.
13487 (make_decl_rtl): Likewise.
13489 * toplev.c (rest_of_compilation): Tweak formatting.
13491 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13492 remove_unnecessary_notes.
13493 (debug_ignore_block): New fn.
13494 * toplev.h: Declare it.
13495 * emit-rtl.c (remove_unncessary_notes): Call it.
13496 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13497 * dwarf2out.h: Declare it.
13498 * final.c (final_start_function): Don't call remove_unnecessary_notes
13499 if we did insn scheduling.
13501 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13503 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13504 * cpplib.h: Delete SET_CPP_PEDANTIC.
13506 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13508 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13509 result is a RECORD_TYPE.
13511 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13513 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13515 2000-03-03 Richard Henderson <rth@cygnus.com>
13517 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13518 addition over compliments over shifts.
13520 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13522 * reload1.c (reload_combine_note_use): Handle return register USEs.
13523 REG case: Handle multi-hard-register hard regs.
13525 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13527 * md.texi: Document use of '*' in insn pattern name.
13529 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13531 * calls.c (special_function_p): operator new may not be malloc-like.
13533 * gcse.c (dump_hash_table): Really fix error in last change.
13535 2000-03-02 Denis Chertykov <denisc@overta.ru>
13537 * avr.c (print_operand): Use print_operand_address instead of
13539 * avr/libgcc.S: Cleanup code.
13541 2000-03-02 Richard Henderson <rth@cygnus.com>
13543 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13545 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13547 * tree.h (TYPE_ALIGN_UNIT): New macro.
13549 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13551 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13553 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13555 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13557 (SET_CPP_PEDANTIC): New macro.
13558 * cpplib.c (do_include): Don't bother checking system_header_p.
13559 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13560 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13562 * function.h (struct expr_status): Add x_arg_space_so_far.
13563 (arg_space_so_far): New macro.
13564 * expr.c (init_expr): Initialize it.
13565 * calls.c (emit_call_1): Reset it.
13566 (compute_argument_block_size, expand_call): Use it.
13567 (expand_call, store_one_arg): Increment it.
13569 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13571 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13574 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13576 * cppfiles.c (cpp_read_file): New function.
13578 * cpphash.c (collect_expansion): Make sure to reset last_token
13579 to NORM when we hit a string. Handle trailing whitespace
13580 properly when the expansion is empty.
13581 (create_definition): Disable line commands while parsing the
13583 (dump_definition): If pfile->lineno == 0, output a line
13584 command ahead of the dump, and add a trailing newline.
13586 * cppinit.c (append_include_chain): Add fifth argument, which
13587 indicates whether or not system headers are C++ aware.
13588 (initialize_standard_includes): New function,
13589 broken out of read_and_prescan. Pass 'cxx_aware' value from
13590 the include_defaults_array on to append_include_chain.
13591 (dump_special_to_buffer): Const-ify char array.
13592 (builtin_array): Don't dump __BASE_FILE__.
13593 (cpp_start_read): Use cpp_read_file. Reorder code for
13594 clarity. Don't output line commands here for -D/-A/-U
13595 switches. Don't call deps_output for files included with
13596 -include or -imacros.
13598 * cpplib.c (do_define): Don't pay any attention to the second
13600 (cpp_expand_to_buffer): Disable line commands while scanning.
13601 (output_line_command): Work in the file buffer.
13602 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13603 Fix formatting of comments. Prototype cpp_read_file.
13605 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13607 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13608 reference the language-equivalent of sizetype.
13609 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13610 * fold-const.c (size_binop, size_diffop): Put back checks.
13611 * gcse.c (dump_hash_table): Fix minor error in last change.
13612 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13613 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13616 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13618 * calls.c (expand_call) Do not attempt to combine stack adjustments
13619 with inhibit_defer_pop set.
13621 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13623 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13624 the DECL_SIZE for a FIELD_DECL.
13626 2000-03-01 Bruce Korb <bkorb@gnu.org>
13628 * fixinc/inclhack.tpl: remove unused symlinks
13629 * fixinc/README: GCC Maintainer info
13630 * fixinc/inclhack.sh: regen
13631 * fixinc/fixincl.sh: regen
13633 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13635 * cpphash.c (collect_expansion): Trim trailing white space
13636 from macro definitions, but don't go past the last insertion
13639 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13641 * i386.md (mulqi3): New pattern.
13643 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13645 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13647 (struct cpp_reader): Add parsing_if_directive and
13648 parsing_define_directive flags.
13649 (struct cpp_options): Remove output_conditionals flag.
13650 (check_macro_name): Delete prototype.
13652 * cpphash.h (struct macrodef): Delete.
13653 (struct reflist): Separate from struct definition.
13654 (struct definition): Remove unused fields. Add column number.
13655 (create_definition): Returns a DEFINITION *. Takes a
13656 cpp_reader * and an int.
13658 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13659 (PEEKC): Copy defn from cpplib.c.
13660 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13662 (struct arglist): Simplify.
13663 (collect_expansion): Rewrite. Get tokens by calling
13664 cpp_get_token. Add more error checking.
13665 (collect_formal_parameters): New function, broken out of
13666 create_definition and reworked to use get_directive_token.
13667 (create_definition): All real work is now in collect_expansion
13668 and collect_formal_parameters. do_define handles finding the
13669 macro name. Return a DEFINITION, not a MACRODEF.
13670 (macroexpand): Replace bcopy with memcpy throughout. Replace
13671 character-at-a-time copy loop with memcpy and pointer increments.
13672 (compare-defs): d1->argnames / d2->argnames might be null.
13674 * cpplib.c (copy_rest_of_line): Delete function.
13675 (skip_rest_of_line): Do all the work ourselves.
13676 (skip_string): New function.
13677 (parse_string): Use skip_string.
13678 (get_macro_name): New function.
13679 (check_macro_name): Delete.
13680 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13681 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13682 (handle_directive): ICE if we're called on a macro buffer.
13683 (do_define): Determine macro name and type (funlike/objlike)
13684 here. Expunge all uses of MACRODEF.
13685 (cpp_push_buffer): Set line_base to NULL.
13686 (do_undef, read_line_number): Don't worry about getting a POP token.
13687 (eval_if_expression): Set/reset parsing_if_directive around
13688 cpp_parse_expr. Don't clear only_seen_white.
13689 (skip_if_group): Remove output_conditionals logic. Use
13691 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13692 tokens under appropriate conditions.
13693 (cpp_unassert): Call do_unassert not do_assert. Oops.
13695 * cppexp.c (parse_defined): New function, break out of
13697 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13698 ourselves, with cpp_defined.
13699 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13701 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13702 * gcc.dg/strpaste-2.c: New.
13704 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13706 * fold-const.c (size_binop): Don't asert inputs are the same and
13707 have TYPE_IS_SIZETYPE set.
13708 (size_diffop): Likewise.
13710 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13712 * dwarfout.c (output_block): Output abstract blocks even if they
13713 don't have TREE_ASM_WRITTEN set.
13715 * calls.c (emit_library_call): Check for null REG.
13717 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13719 * c-decl.c (current_function_decl): Move to toplev.c.
13720 (init_decl_processing): Don't add current_function_decl as a ggc
13722 * dbxout.c (dbxout_symbol): Change return type to int.
13723 (dbxout_symbol_location, dbxout_syms): Likewise.
13724 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13725 any locals. Use current_function_func_begin_label if set.
13726 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13727 * dwarf2out.c (dwarf2out_begin_prologue): Set
13728 current_function_func_begin_label.
13729 * final.c (final_start_function): Reset it.
13730 * toplev.c (current_function_decl): Define it here.
13731 (current_function_func_begin_label): New variable.
13732 (main): Add both as ggc roots.
13733 * tree.h (current_function_func_begin_label): Declare.
13735 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13737 * gcse.c: Cleanups throughout: mostly white-space, but also
13738 some minor rearrangement of code.
13740 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13742 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13743 returns a PARALLEL. Use emit_group_load and use_group_regs
13745 (emit_library_call_value): Similarly.
13747 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13748 * pa/quadlib.asm: Remove.
13749 * pa/quadlib.c: New file.
13751 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13752 * configure: Rebuilt.
13754 2000-02-29 Philip Blundell <pb@futuretv.com>
13756 * config/arm/conix-elf.h: New file.
13757 * configure.in (arm*-*-conix*): New configuration.
13758 * configure: Regenerate.
13760 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13762 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13763 don't have TREE_ASM_WRITTEN set.
13765 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13767 * Eliminate DECL_FIELD_SIZE.
13768 * builtins.c (built_in_class_names, built_in_names): New variables.
13769 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13770 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13771 DECL_SIZE, not DECL_FIELD_SIZE.
13772 * print-tree.c (print_node): Remove code that prints extra blank
13773 lines in some cases.
13774 Properly handle inline and builtin function cases.
13775 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13776 * tree.h (built_in_class_named, built_in_names): New declarations.
13777 (union tree_decl): Rename internal unions to u1 and u2 and change
13778 some of their components.
13779 Add new field built_in_class.
13780 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13781 Reflect above changes.
13782 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13783 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13784 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13785 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13787 2000-02-28 Dmitri Makarov <dim@windriver.com>
13789 * extend.texi: Document ARM's support for long/short calls.
13791 * invoke.texi: Document ARM's -mlong-calls command line switch.
13793 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13794 (arm_encode_call_attribute): Add prototype.
13795 (arm_set_default_type_attribute): Add prototype.
13796 (arm_strip_name_encoding): Add prototype.
13798 * config/arm/arm.c (arm_init_cumulative_args): replace
13799 initialisation og 'long_calls' field with initialisation of
13800 'call_cookie' field.
13801 (enum arm_pragma_enum): New enum.
13802 (arm_pragma_long_calls): New static variable.
13803 (arm_process_pragma): Also process "#pragma long_calls_off".
13804 (arm_valid_type_attribute_p): Accept short_call attribute.
13805 (arm_comp_type_attributes): Check long/short call attributes.
13806 (arm_encode_call_attribute): New function: Encode long_call
13807 or short_call attribute in function name.
13808 (arm_set_default_type_attributes): New function: Assign
13809 default attributes to newly defined type.
13810 (current_file_function_operand): New function: Return true if
13811 the symbol is a function which has already been compiled.
13812 (arm_is_longcall_p): New function: Return true if the
13813 indicated function should be called via a long call.
13814 (arm_get_strip_length): New function. Returns number of
13815 prefix characters to be stripped from a function's name.
13816 (arm_strip_name_encoding): New function. Strip prefix characters
13817 from a function's name.
13819 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13820 with 'call_cookie'.
13821 (SHORT_CALL_FAG_CHAR): Define.
13822 (LONG_CALL_FAG_CHAR): Define.
13823 (ENCODED_SHORT_CALL_ATTR_P): Define.
13824 (ENCODED_LONG_CALL_ATTR_P): Define.
13825 (ARM_NAME_ENCODING_LENGTHS): Define.
13826 (STRIP_NAME_ENCODING): Define.
13827 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13828 (ARM_ENCODE_CALL_TYPE): Define.
13829 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13830 (ARM_DECLARE_FUNCTION_SIZE): Define.
13831 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13833 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13834 if a long call is needed.
13835 (call_value): Ditto.
13836 (call_symbol): Ditto.
13838 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13839 ARM_DECLARE_FUNCTION_SIZE.
13841 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13842 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13843 (ARM_STRIP_NAME_ENCODING): Undefine.
13844 (STRIP_NAME_ENCODING): Undefine.
13845 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13846 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13847 (ASM_OUTPUT_COMMON): Ditto.
13848 (ASM_DECLARE_OBJECT_NAME): Ditto.
13850 * config/arm/pe.c (arm_dllexport_name_p): Check for
13852 (arm_dllimport_name_p): Ditto.
13853 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13854 (arm_mark_dllimport): Ditto.
13856 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13858 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13860 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13862 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13864 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13866 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13867 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13868 NO_BUILTIN_WCHAR_TYPE is not defined.
13869 (CPP_WCHAR_TYPE): Delete.
13870 * cccp.c (main): Don't change wchar_type if cplusplus.
13871 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13873 2000-02-28 Nick Clifton <nickc@cygnus.com>
13875 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13877 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13879 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13880 (ASM_WEAKEN_LABEL): Define.
13882 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13884 * expr.c (store_constructor): Do not emit USE.
13885 * rtl.h (stupid_life_analysis): Remove.
13887 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13889 * function.c (number_blocks): Reset next_block_index based on
13890 what debugging format is used, not what is defined.
13892 * lcm.c: Minor reformatting throughout.
13893 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13895 * toplev.c (rest_of_compilation): Account for time in
13896 optimize_mode_switching.
13898 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13899 if only marking labels.
13901 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13903 * calls.c (expand_call): Attempt to combine stack adjustments with
13904 pending stack adjustments.
13906 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13908 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13909 to the end of the function.
13911 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13913 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13915 * final.c (next_block_index): Remove.
13916 (max_block_depth): Likewise.
13917 (pending_blocks): Likewise.
13918 (init_final): Don't initialize them.
13919 (final_start_function): Don't set next_block_index. Set up
13921 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13922 * function.h (number_blocks): New function.
13923 * function.c (get_block_vector): New function.
13924 (identify_blocks): Use it.
13925 (reorder_blocks): Set NOTE_BLOCK.
13926 (number_blocks): New function.
13927 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13928 * tree.h (BLOCK_NUMBER): New macro.
13929 (tree_block): Add block_num field.
13930 * dbxout.c (next_block_number): Remove.
13931 (dbxout_init): Don't set it.
13932 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13933 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13935 * toplev.c (rest_of_compilation): Always call
13936 find_loop_tree_blocks. Fix indentation.
13937 * dwarf2out.c (next_block_number): Remove.
13938 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13939 to determine block numbers.
13940 (gen_inlined_subroutine_die): Likewise.
13941 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13942 (decls_for_scope): Don't increment next_block_number.
13943 * dwarfout.c (next_block_number): Remove.
13944 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13945 to determine block numbers.
13946 (output_inlined_subroutine_die): Likewise.
13947 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13948 (output_decls_for_scope): Don't increment next_block_number.
13949 * sdbout.c (next_block_number): Remove.
13950 (sdbout_block): Use BLOCK_NUMBER.
13951 (sdbout_begin_block): Simplify.
13952 * xcoffout.c (next_block_number): Remove.
13953 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13954 (xcoffout_begin_block): Don't set next_block_number.
13955 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13958 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13960 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13961 (expand_builtin_strcpy): Pass correct type to size_binop.
13962 (expand_builtin_strcmp): Likewise.
13963 Clean up conditional structure.
13964 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13965 (complete_array_type): Don't use size_binop for MAXINDEX.
13966 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13967 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13968 (c_alignof): Use size_one_node.
13969 (build_unary_op): Pass arg of proper type to size_binop.
13970 (really_start_incremental_init, push_init_level): Use sizetype for
13971 constructor{,_bit,_unfilled}_index.
13972 (pop_init_label, output_init_element): Likewise.
13973 (output_pending_init_elements, process_init_element): Likewise.
13974 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13975 * expr.c (store_expr): Use size_int.
13976 (store_constructor): Use proper types for size_binop args.
13977 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13978 (expand_expr_unaligned): Likewise.
13979 (string_contant): Return object of sizetype.
13980 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13981 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13982 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13983 * fold-const.c (int_const_binop): Refine when size_int is called.
13984 (fold_convert): Likewise.
13985 (size_int_wide): Rework to take KIND as arg, only take low order
13986 bits, handle new sizetype_tab datatype, and chain entries in
13988 (size_int_type_wide): New function.
13989 (size_binop): Validate types of arguments.
13990 (ssize_binop): Deleted.
13991 (size_diffop): New function.
13992 (extract_muldiv): Only fold division into multiplication for sizetypes.
13993 * function.c (assign_parms): Use size_diffop and make sure
13994 VAR field is of ssizetype; also pass proper type to size_binop.
13995 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13996 (round_down): Deleted from here.
13997 * store-layout.c (sizetype_tab): Now an array.
13998 (sizetype_set, early_root_list): New variables.
13999 (variable_size): Use size_one_node.
14000 (round_up): Pass proper type to size_binop.
14001 (round_down): Moved to here and corrected as above.
14002 (layout_record): Pass proper arg types to size_binop.
14003 (layout_type): Likewise.
14004 If sizetype_set is zero, record the type just laid out.
14005 (make_unsigned_type): Don't call set_sizetype;
14006 (make_signed_type): Likewise; also, call fixup_signed_type.
14007 (initialize_sizetypes): New function.
14008 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14009 set name of bitsizetype to "bit_size_type".
14010 Fix up type of sizes of all types made before call.
14011 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14012 * tree.c (fix_sizetype): Deleted.
14013 (build_common_tree_nodes): Call initialize_sizetypes.
14014 (build_common_tree_nodes_2): Don't call fix_sizetype.
14015 * tree.h (TYPE_IS_SIZETYPE): New macro.
14016 (initialize_sizetype): New declaration.
14017 (enum size_type_kind): New type.
14018 (struct sizetype_tab): Deleted.
14019 (sizetype_tab): Now array; adjust sizetype macros.
14020 (size_diffop, size_int_type_wide): New functions.
14021 (size_int_wide): Change number of args and type; access macros changed.
14022 (ssize_int, sbitsize_int): New macros.
14023 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14024 (ROUND_TYPE_SIZE_UNIT): New macro.
14026 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14028 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14030 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14032 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14033 Mark as possibly unused.
14035 * cse.c (cse_insn): Delete dead code involving tablejump.
14036 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14038 * Makefile.in (libcpp.a): Start by deleting it.
14040 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14042 * cpplib.h (enum file_change_code): Added rename_file.
14043 * cpplib.c (do_line): If a filename is given, set file_change to
14045 (output_line_command): If file_change is rename_file, always
14046 output a # directive with the file name.
14048 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14050 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14052 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14053 when copying a PARM_DECL or RESULT_DECL.
14055 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14057 * fix-header.c (recognized_function): Also fix prototypes for
14058 functions taking "void".
14060 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14062 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14063 looking at reg_reloaded_contents.
14065 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14067 * Makefile.in (STMP_FIXINC): New toggle.
14068 (LIBGCC2_DEPS): Delete all references.
14069 (stmp-headers): Delete target. All references either deleted
14070 or changed to stmp-int-headers.
14071 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14072 (LIBCPP_OBJS): Take out cppalloc.o.
14073 (cppalloc.o): Delete target.
14074 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14075 (gen-protos, fix-header): Link with libiberty.a.
14076 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14079 * configure.in: Remove refs to strerror.
14080 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14081 * system.h: Take out strerror stanza.
14083 * cpperror.c (my_strerror): Delete function.
14084 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14085 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14086 * cppalloc.c: Delete file.
14087 * gen-protos.c: Don't provide xrealloc.
14089 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14090 xstrerror throughout.
14092 2000-02-26 Bruce Korb <bkorb@gnu.org>
14094 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14095 match for DOS headers, too.
14096 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14098 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14100 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14101 is right for most ELF targets.
14102 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14103 Let the default file use %U properly.
14104 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14107 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14110 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14112 * toplev.c (documented_lang_options): Correct spelling error.
14113 (decode_d_option, decode_f_option, main): Likewise.
14115 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14117 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14118 to tell assembler it is permitted to expand large constants.
14120 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14122 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14123 (aux_info_suffix): Use.
14124 (SAVE_SUFFIX): New macro.
14125 (save_suffix): Use.
14126 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14127 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14128 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14130 * invoke.texi (Running Protoize): Update documentation.
14132 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14134 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14136 2000-02-25 John Wehle (john@feith.com)
14138 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14140 2000-02-25 Anthony Green <green@cygnus.com>
14142 * toplev.c (rest_of_compilation): Rebuild jump labels if
14143 combine_instructions has created a new direct jump.
14144 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14146 (combine_instructions): Call try_combine with new argument.
14147 Return non-null value when new direct jump instruction is created.
14148 * rtl.h: combine_instructions returns an int.
14150 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14152 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14153 jump when changing a computed jump into a jump to a known
14156 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14158 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14159 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14161 * i386.md (define_expand "clrstrsi"): Fix typo.
14163 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14165 * rtl.texi: Fix typo.
14167 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14169 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14170 UNITS_PER_WORD. Change caller initial_elimination_offset.
14171 (rounded_frame_size): Take into account that argument pushed has
14172 changed. Fix TARGET_ALIGN_DOUBLE problem.
14174 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14176 * haifa-sched.c (schedule_block): Explain the real reason
14177 we delete REG_SAVE_NOTEs on the first insn of a block.
14178 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14180 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14182 * input.h (push_srcloc): New function.
14183 (pop_srcloc): Likewise.
14184 * toplev.c (push_srcloc): Define it.
14185 (pop_srcloc): Likewise.
14187 2000-02-24 Richard Henderson <rth@cygnus.com>
14189 * flow.c (life_analysis): When collecting reg info, clear
14192 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14194 Fix bug exposed by reload.c no longer rounding the frame
14195 size to BIGGEST_ALIGNMENT:
14196 * sh.c (rounded_frame_size): New function.
14197 (sh_expand_prologue, sh_expand_epilogue): Use it.
14198 (initial_elimination_offset): Likewise.
14200 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14202 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14203 * sh-protos.h (sh_need_epilogue): Declare.
14204 * sh.c (sh_need_epilogue_known): New static variable.
14205 (sh_need_epilogue): New function.
14206 (function_epilogue): Clear need_epilogue_known.
14207 * sh.md (return): Split into expander / insn pattern.
14208 Make the expander conditional on ! sh_need_epilogue ().
14210 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14212 * machmode.h (get_mode_alignment): Declare.
14213 (GET_MODE_ALIGNMENT): Call it.
14214 * stor-layout.c (get_mode_alignment): New function. Make
14215 sure alignment is always power of 2.
14217 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14219 * i386.h: Remove useless definition of "I386" and misleading
14222 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14224 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14225 under which TREE_PERMANENT will be set.
14226 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14227 build1): Use TREE_SET_PERMANENT.
14228 * print-tree.c (print_node): Don't report value of
14229 TREE_PERMANENT if ggc_p is true.
14231 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14232 decide whether to give a type a new alias set.
14233 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14234 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14235 of value of 'obstack'.
14238 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14240 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14242 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14244 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14245 * cpplib.c (cpp_get_token): Produce them.
14246 * cppexp.c (cpp_lex): Handle them.
14248 2000-02-23 Nick Clifton <nickc@cygnus.com>
14250 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14251 comment tests on type attributes.
14253 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14255 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14256 conform to documentation.
14257 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14258 to check for special cases.
14259 * sh-protos.h (sh_loop_align): Declare.
14260 * sh.c (sh_loop_align): Define.
14262 2000-02-22 Andrew Haley <aph@cygnus.com>
14264 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14265 (SIZE_TYPE): Is 32 bits when using -mgp32.
14266 (PTRDIFF_TYPE): Ditto.
14268 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14270 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14272 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14274 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14275 BIGGEST_FIELD_ALIGNMENT a constant.
14277 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14279 * dwarf2out.c (output_line_info): Put the marker for the end of
14280 the line number info at the actual end.
14281 (gen_struct_or_union_type_die): Use decl_function_context
14282 to check for local classes.
14283 * dwarfout.c (output_type): Likewise.
14285 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14287 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14288 for arguments with a mode, but no type.
14289 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14290 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14291 * pa/long_double.h: New file.
14292 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14293 both have 128bit wide long doubles.
14294 * configure: Rebuilt.
14296 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14298 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14300 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14301 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14302 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14304 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14306 * integrate.c (compare_blocks, find_block): Likewise.
14308 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14310 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14312 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14313 expand_asm_operands): Likewise.
14315 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14317 * predict.c (estimate_probability): Added the pointer heuristic to
14318 the collection of static branch predictors.
14320 2000-02-21 Catherine Moore <clm@cygnus.com>
14322 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14323 * invoke.texi (-mfix7000): Document.
14325 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14327 * diagnostic.c (init_output_buffer): Make it possible to output at
14328 least 32 characters if we're given a too long prefix.
14330 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14332 * varasm.c (initializer_constant_valid_p): Call
14333 lang_expand_constant to simplify the constant.
14335 2000-02-20 Bruce Korb <bkorb@gnu.org>
14337 * fixinc/inclhack.def(stdio_va_list):
14338 typedef needs to be disabled.
14339 * fixinc/inclhack.sh: regen
14340 * fixinc/fixincl.x: regen
14342 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14344 * print-rtl.c (print_rtx): Don't print addresses when
14345 flag_dump_unnumbered.
14347 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14349 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14351 (sparc_va_arg, sparc_flat_output_function_prologue,
14352 sparc_flat_output_function_epilogue): Cast value to unsigned in
14354 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14356 * sparc.md: Add default case in switch.
14358 2000-02-19 Richard Henderson <rth@cygnus.com>
14360 * c-typeck.c (add_pending_init): Don't abort for multiple
14361 fields at the same offset.
14362 (pending_init_member): Test the correct member.
14364 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14366 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14368 (start_catch_handler) : Same.
14370 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14372 * Makefile.in: Have flow.o depend on $(EXPR_H)
14374 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14376 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14377 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14378 (finish_decl): Remove -Wlarger-than code from here.
14379 * flags.h (id_clash_len): Now int.
14380 (larger_than_size): Now HOST_WIDE_INT.
14381 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14382 Clean up checking to see if in table.
14383 (make_bit_field_ref): Remove extra parm to bitsize_int.
14384 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14385 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14386 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14387 and for computing size of decl.
14388 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14389 Move -Wlarger-than code to here.
14390 (layout_record): Remove extra arg to bitsize_int.
14391 Set TYPE_BINFO_SIZE_UNIT.
14392 (layout_union): Remove extra arg to bitsize_int.
14393 Use proper type for size of QUAL_UNION.
14394 (layout_type): Remove extra arg to bitsize_int.
14395 * toplev.c (id_clash_len): Now int.
14396 (larger_than_size): Now HOST_WIDE_INT.
14397 (decode_W_option): Clean up id-clash and larger-than- cases.
14398 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14399 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14400 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14401 (struct tree_decl): New field size_unit.
14402 (size_int_wide): No HIGH operand; NUMBER is now signed.
14403 (size_int_2): Deleted.
14404 (size_int, bitsize_int): Don't use it and rework args.
14405 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14407 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14409 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14411 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14413 * invoke.texi (Warning Options): Add an explanation of why
14414 you might want the -Wfloat-equal flag.
14416 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14418 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14419 * cppinit.c (new_pending_define): Add cast to avoid warning.
14420 * expmed.c (extract_bit_field): Likewise.
14421 * flow.c (enum reorder_skip_type): New type.
14422 (skip_insns_between_blcok): New it.
14423 Rework to avoid warning about possibly undefined variable.
14424 * function.c (assign_parms): Make thisparm_boundary unsigned.
14425 * genrecog.c (write_switch): Cast XWINT result to int.
14426 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14427 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14428 one for MIPS and one for Alpha.
14429 (get_tag, copy_object): Add casts to avoid warnings.
14430 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14431 * reload.c (find_reloads): Make TYPE enum reload_type.
14432 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14433 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14434 * varasm.c (compare_constant_1): Add cast to avoid warning.
14435 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14437 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14438 Cast switch operand of size to int.
14439 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14440 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14443 2000-02-18 Nick Clifton <nickc@cygnus.com>
14445 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14446 anything for an alignment of zero.
14448 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14449 anything for an alignment of zero.
14451 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14453 * gcc.texi (Bug Reporting): Refer to bugs.html.
14454 (Bug Lists): Likewise.
14455 * system.h (GCCBUGURL): New preprocessor define.
14456 * rtl.c (fancy_abort): Use it.
14457 * gcc.c (main): Likewise.
14459 2000-02-18 Richard Henderson <rth@cygnus.com>
14461 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14462 (life_analysis_1): Subsume into ...
14463 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14464 Use update_life_info for the relaxation.
14465 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14466 entry and regs_live_at_setjmp.
14467 (set_noop_p): Simplify.
14468 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14469 (record_volatile_insns): Split into ...
14470 (delete_noop_moves): ... here,
14471 (notice_stack_pointer_modification): ... here,
14472 (insn_dead_p): ... and here.
14473 (propagate_block): Don't query INSN_VOLATILE.
14474 (mark_used_regs): Mind !PROP_REG_INFO.
14475 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14476 not in life_analysis.
14478 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14480 * loop.c (canonicalize_condition): New function,
14481 broken out of get_condition.
14482 (get_condition): Use it.
14483 * expr.h (canonicalize_condition): Prototype it.
14485 * tree.h (tree_int_cst_msb): Declare.
14486 * tree.c (tree_int_cst_msb): New function.
14488 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14490 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14493 * invoke.texi (-fmessage-length=n): Document.
14495 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14497 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14499 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14501 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14502 after the prologue.
14504 2000-02-17 Nick Clifton <nickc@cygnus.com>
14506 * config/arm/thumb.c: Replace includes of system headers with
14507 #include "system.h".
14509 2000-02-16 Richard Henderson <rth@cygnus.com>
14511 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14512 Add crtbeginS.o and crtendS.o.
14513 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14514 (ENDFILE_SPEC): Use crtendS.o.
14515 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14517 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14518 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14519 shared and present.
14520 (__dso_handle): New variable.
14521 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14522 bias to __CTOR_END__.
14524 2000-02-16 Richard Henderson <rth@cygnus.com>
14526 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14528 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14530 * longlong.h (__clz_tab): Declare as static to match definition.
14532 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14534 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14535 (XREF_FILE_NAME): Define.
14537 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14538 (EH_FRAME_SECTION_ASM_OP): Define.
14539 (IDENT_ASM_OP): Define.
14540 (TEXT_SECTION_ASM_OP): Define.
14541 (CPP_SPEC): Define.
14542 (CTORS_SECTION_ASM_OP): Define.
14543 (CTOR_SECTION_FUNCTION): Use it.
14544 (DTORS_SECTION_ASM_OP): Define.
14545 (DTOR_SECTION_FUNCTION): Use it.
14547 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14549 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14552 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14553 debug_bb_n): New functions.
14554 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14555 * basic-block.h: Prototype new functions.
14557 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14559 * configure.in: Add support for avr target.
14560 * configure: Rebuilt.
14562 * invoke.texi: Add AVR invocation docs.
14563 * install.texi: Add information about AVR.
14564 * md.texi: Add AVR constraint letters description.
14565 * extend.texi: Add description for AVR specific attributes.
14567 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14569 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14571 2000-02-16 Nick Clifton <nickc@cygnus.com>
14573 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14574 (make_insn_raw): Move RTL check here.
14576 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14578 * version.c: Include gansidecl.h and version.h.
14580 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14582 * configure.in (gcc_version): When setting, narrow search to
14583 lines containing `version_string'.
14585 * Makefile.in (mainversion): Likewise.
14586 (GCC_H): New variable.
14587 (gcc.h): Delete target.
14588 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14589 (version.o): Depend on version.h.
14590 (dbxout.o): Don't depend on gcc.h.
14592 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14593 Michael Meissner <meissner@cygnus.com>
14595 * md.texi (Simple Constraints): Add item about whitespace.
14596 * genoutput.c (strip_whitespace): New.
14597 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14598 strip_whitespace for constraints.
14599 Test pointer using NULL, not 0.
14601 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14603 * cpplib.c (do_line): Pedwarn for #line > 32767.
14605 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14607 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14609 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14610 to default cpp spec.
14611 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14612 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14615 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14618 2000-02-15 Denis Chertykov <denisc@overta.ru>
14620 * configure.in: Add support for avr target.
14622 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14624 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14625 (sh_addr_diff_vec_mode): Don't declare.
14626 * sh.c (sh_addr_diff_vec_mode): Delete.
14628 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14630 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14632 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14634 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14635 (smulsi3_highpart_i): Name.
14636 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14637 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14638 (smulsi3_highpart, umulsi3_highpart): Likewise.
14640 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14641 correctly independent of endianness.
14642 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14643 confuse the optimizers.
14644 (mulsidi3+1, umulsidi3+1): New define_split.
14646 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14648 * config/sh/sh.md: Guard insn splits against illegal registers.
14649 * config/sh/sh.h: Correct comment about macros.
14651 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14652 Andrew MacLeod <amacleod@cygnus.com>
14654 * Makefile.in (lcm.o): Depend on insn-attr.h.
14655 * basic-block.h (optimize_mode_switching): Declare.
14656 * lcm.c (tm_p.h, insn-attr.h): #include.
14657 (seginfo, bb_info): New structs.
14658 (antic, transp, comp, delete, insert) : New file-scope static variables.
14659 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14660 (reg_becomes_live, optimize_mode_switching): Likewise.
14661 * tm.texi: Add description of mode switching macros.
14662 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14664 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14665 (fldi_ok, fpscr_set_from_mem): New prototypes.
14666 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14667 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14668 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14669 (sh_flag_remove_dead_before_cse): Remove declaration.
14670 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14671 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14672 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14673 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14674 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14675 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14676 (fldi_ok): New function.
14677 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14678 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14679 (emit_df_insn): Likewise.
14680 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14681 (sh_flag_remove_dead_before_cse): Delete.
14682 (get_free_reg, fpscr_set_from_mem): New functions.
14683 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14684 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14686 2000-02-15 Loren Rittle <ljrittle@acm.org>
14688 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14690 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14692 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14693 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14695 * cccp.c: Include version.h and/or don't declare `version_string'.
14696 * collect2.c: Likewise.
14697 * alpha.c: Likewise.
14698 * arm/aof.h: Likewise.
14699 * arm/coff.h: Likewise.
14700 * arm/elf.h: Likewise.
14701 * arm/pe.h: Likewise.
14702 * arm/tcoff.h: Likewise.
14703 * arm/telf.h: Likewise.
14704 * arm/tpe.h: Likewise.
14705 * arm/vxarm.h: Likewise.
14706 * convex/convex.c: Likewise.
14707 * i386/dgux.c: Likewise.
14708 * i386/sun386.h: Likewise.
14709 * m88k/m88k.c: Likewise.
14710 * mcore/mcore-pe.h: Likewise.
14711 * mips/mips.h: Likewise.
14712 * romp/romp.h: Likewise.
14713 * sh/sh.c: Likewise.
14714 * cpphash.c: Likewise.
14715 * cppinit.c: Likewise.
14716 * dwarf2out.c: Likewise.
14717 * dwarfout.c: Likewise.
14720 * mips-tfile.c: Likewise.
14721 * protoize.c: Likewise.
14722 * toplev.c: Likewise.
14723 * tree.h: Likewise.
14725 * version.c (version_string): Constify a char*.
14727 * version.h: New file.
14729 2000-02-14 Nick Clifton <nickc@cygnus.com>
14731 * configure.in: Add mcore-elf and mcore-pe targets.
14732 * configure: Regenerate.
14734 * NEWS: Add note that MCore port has been contributed.
14736 * invoke.texi: Document command line switches for MCore port.
14737 * install.texi: Add MCore to list of supported targets.
14739 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14741 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14742 then we will need to import the frame handling functions.
14743 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14744 to import the frames themselves.
14746 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14747 Jason Eckhardt <jle@cygnus.com>
14749 * basic_block.h: Added prototype for reorder_basic_blocks.
14750 * toplev.c: Changes to add -freorder-blocks and graph dump after
14751 block reordering is done.
14752 * flow.c (reorder_block_def): New structure for use during block
14754 (REORDER_BLOCK_*): New macros to access members of above structure.
14755 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14756 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14757 functions for block reordering.
14759 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14761 * gcc.texi (Passes): Fix typo.
14762 * md.texi (Standard Names): Ditto.
14763 * tm.texi (Storage Layout): Ditto.
14765 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14767 * cpplib.c (do_define): Only free the old definition if it
14770 2000-02-13 Neil Booth <NeilB@earthling.net>
14772 * cppfiles.c (read_and_prescan): When emitting deferred
14773 newlines, test speccase[] again instead of checking each
14774 possible whitespace character in turn. When we encounter \r,
14775 look behind for \n first, then ahead.
14777 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14779 * cse.c (cse_altered): New internal flag.
14780 (cse_insn): Set it if we changed an insn.
14781 (cse_main): Clear cse_altered before each basic block.
14782 Only garbage collect if cse_altered is true afterward.
14784 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14786 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14788 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14790 * combine.c (simplify_comparison): Fix typo.
14792 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14794 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14797 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14799 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14800 previously inserted node instead of root node. Caller changed.
14802 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14804 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14806 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14808 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14809 __dereg_frame_dtor): Add prototype argument.
14811 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14813 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14815 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14817 * gthr-vxworks.h (__gthread_once): Likewise.
14819 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14821 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14823 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14824 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14825 stack pointer in functions w/o saved registers, output LEAVE more often
14826 on TARGET_USE_LEAVE machines.
14828 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14830 * config/arm/arm.c (arm_init_cumulative_args); New function:
14831 Initlaise the CUMULATIE_ARGS strcuture for a function
14833 (arm_function_arg): New function: Determine where to place a
14834 function's argument. Also handles deciding the function's
14836 (current_file_function_operand): New function: Return true if
14837 the symbol is a function which has already been compiled.
14838 (arm_is_long_call_p): New function: Return true if the
14839 indicated function should be called via a long call.
14840 (arm_valid_type_attribute_p): New function: Return true if the
14841 attribute is a valid, arm specific, attribute.
14842 (arm_comp_type_attribute): New function: Return true if the
14843 two types have compatable, arm specific, attributes.
14845 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14847 (FUNCTION_ARG): Redefine to call arm_function_arg.
14848 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14850 (INIT_CUMULATIVE_ARGS): Redefine to call
14851 arm_init_cumulative_args.
14852 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14854 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14856 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14858 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14859 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14860 (COMP_TYPE_ATTRIBUTES): Define.
14862 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14863 if a long call is needed.
14864 (call_value): Call arm_is_long_call_p to decide if a long call
14866 (call_symbol): Call arm_is_long_call_p to decide if a long call
14869 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14871 2000-02-11 Denis Chertykov <denisc@overta.ru>
14873 * README.AVR: New file with information about the avr ports.
14874 * config/avr: New directory with avr port files.
14876 2000-02-11 Andreas Jaeger <aj@suse.de>
14878 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14880 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14882 * cpphash.c: Fix formatting, update commentary.
14883 (dump_definition): Take three separate arguments instead of a
14884 MACRODEF structure argument.
14885 * cpphash.h: Update prototype of dump_definition.
14886 * cppinit.c (cpp_finish): Update call of dump_definition.
14888 * cpplib.c (do_define): Always create new hash entry with
14889 T_MACRO type. Remove redundant check for redefinition of
14890 poisoned identifier. Update call of dump_definition.
14891 (do_undef): Don't call check_macro_name. Rename sym_length to
14893 (do_error, do_warning): Don't use copy_rest_of_line or
14895 (do_warning): Don't use pedwarn for the actual warning,
14896 only the notice about its not being in the standard. (Fixes
14897 bug with #warning in system headers.)
14898 (do_ident): Stricter argument checking - accept only a single
14899 string after #ident. Also, macro-expand the line.
14900 (do_xifdef): Use cpp_defined. De-obfuscate.
14902 (do_pragma): Split out specific pragma handling to separate
14903 functions. Use get_directive_token. Update commentary. Do
14904 not pass on #pragma once or #pragma poison to the front end.
14905 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14906 do_pragma_default): New.
14908 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14910 * jump.c (jump_optimize_1): The first operand in a relational
14911 can be a CONST_INT.
14912 * optabs.c (emit_conditional_move): Handle relationals which
14913 have a known true/false result.
14915 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14917 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14918 a RETURN insn into a block which already ends with a jump.
14920 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14922 * haifa-sched.c (BUF_LEN): Increase a lot.
14924 2000-02-11 Nick Clifton <nickc@cygnus.com>
14926 * configure.in: Add tm_p_file specification for thumb targets.
14927 * configure: Regenerate.
14929 * config/arm/thumb-protos.h: New file: Prototypes for exported
14930 functions defined in thumb.c.
14932 2000-02-11 Robert Lipe <robertl@sco.com>
14934 * Makefile.in (bootstrap-lean): Remove additional files.
14935 (bootstrap2-lean): Likewise.
14936 (VOL_FILES): List of files for above.
14938 2000-02-11 Nathan Sidwell <nathan@acm.org>
14940 * cpphash.c (special_symbol): Remove spurious argument to
14943 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14945 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14947 * configure: Rebuilt.
14949 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14951 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14953 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14955 * pa.c, pa.h: Remove trigraph sequences within comments.
14957 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14959 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14961 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14963 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14965 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14967 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14969 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14971 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14972 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14973 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14974 (ASM_FILE_END): Use c4x_file_end.
14975 * config/c4x/c4x.c (c4x_global_label): New function.
14976 (c4x_external_ref, c4x_file_end): Likewise.
14978 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14979 (c4x_external_ref, c4x_end_file): Likewise.
14981 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14983 * cppexp.c: Don't include cpphash.h.
14984 (parse_charconst, cpp_lex): Use cpp_defined.
14985 (cpp_lex): Use get_directive_token throughout. Remove
14986 unnecessary cases from switch. Move assertion-handling code
14987 down to OTHER case.
14988 (cpp_parse_expr): If we see '+' or '-', check the context to
14989 determine if they are unary or binary operators. Streamline
14990 the jumps a bit. Do not call skip_rest_of_line.
14992 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14993 static. Export get_directive_token. Update commentary.
14994 (cpp_defined): New function.
14995 (do_define): Remove reference to T_PCSTRING. Call
14996 free_definition to release memory for old definition, when
14997 redefining a macro.
14998 (eval_if_expression): Set only_seen_white to 0 before calling
14999 cpp_parse_expr. Call skip_rest_of_line after it returns.
15000 (cpp_read_check_assertion): Don't preserve a pointer into the
15001 token buffer across a call to cpp_get_token.
15003 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15004 * cppfiles.c (redundant_include_p): Use cpp_defined.
15005 * cpphash.c (free_definition): New function.
15006 (delete_macro): Use it. Update commentary.
15007 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15009 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15010 from enum node_type. Prototype cpp_defined and get_directive_token.
15011 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15013 * fix-header.c (check_macro_names): Use cpp_defined.
15014 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15015 the options structure.
15017 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15019 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15021 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15023 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15024 rather than die->die_tag.
15026 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15028 * combine.c (make_extraction, force_to_mode): Avoid warning on
15029 mixed-signedness conditionals.
15030 (make_field_assignment, nonzero_bits): Likewise.
15031 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15032 (store_split_bit_field, extract_split_bit_field): Likewise.
15033 (extract_fixed_bit_field, store_bit_field,
15034 * expr.c: Change alignment to be unsigned everywhere.
15035 (move_by_pieces, store_constructor_field, store_constructor):
15036 Alignment parm is unsigned.
15037 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15038 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15039 (do_compare_rtx_and_jump): Likewise.
15040 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15041 Compare align with GET_MODE_ALIGNMENT.
15042 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15043 (get_inner_reference): Likewise.
15044 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15045 (expand_assignment): Local vars for alignment now unsigned.
15046 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15047 (do_compare_and_jump): Likewise.
15048 (store_field): Call new function expr_align.
15049 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15050 Alignment arg now unsigned.
15051 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15052 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15053 (extract_bit_field): Likewise.
15054 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15055 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15056 (get_best_mode): Alignment arg is unsigned.
15057 * rtl.h (move_by_pieces): Likewise.
15058 * store-layout.c (maximum_field_alignment, set_alignment):
15060 (layout_decl): Alignment arg is now unsigned.
15061 Remove unneeded casts.
15062 (layout_record, layout_union, layout_type): Remove unneeded casts.
15063 Local alignment variables now unsigned.
15064 (get_best_mode): Alignment arg now unsigned.
15065 * tree.c (expr_align): New function.
15066 * tree.h (expr_align): Likewise.
15067 (maximum_field_alignment, set_alignment): Now unsigned.
15068 (get_inner_reference): Alignment argument is now pointer to unsigned.
15069 * varasm.c (assemble_variable): Add cast to eliminate warning.
15071 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15073 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15074 then store directly into op0.
15076 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15077 the CALL_INSN, and emit the note immediately after it.
15079 2000-02-10 Nick Clifton <nickc@cygnus.com>
15081 * config/arm/thumb.md (epilogue): Include a (return) in the
15082 generated insn, and emit it using emit_jump_insn not
15085 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15087 * function.c (assign_temp): Change zero-sized arrays to size 1.
15088 * integrate.c (expand_inline_function): Do not update
15089 stack_alignment_needed
15090 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15091 add some sanity checking, remove optimization for function with
15094 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15096 * flow.c (mark_regs_live_at_end): Delete unused variables.
15098 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15100 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15101 in macro FRAME_GROWS_DOWNWARD.
15103 * stmt.c (expand_end_bindings): Delete unused variable.
15105 * unroll.c (iteration_info): Mark parameter `loop' with
15108 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15110 * fixinc/server.c (load_data): Return NULL if the marker line is
15112 (run_shell): If load_data returns NULL, retry the command once, in
15115 * configure: Rebuilt.
15117 2000-02-09 Bruce Korb <bkorb@gnu.org>
15119 * gcc/fixincludes: ** DELETED **
15120 * gcc/fixcpp: ** DELETED **
15121 * gcc/fixinc-nt.sed: ** DELETED **
15122 * gcc/just-fixinc: ** DELETED **
15123 * gcc/Makefile.in: Removed out-dated commentary
15124 * gcc/configure.in: Removed fast-fixincludes disablement.
15125 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15127 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15128 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15131 2000-02-09 Richard Henderson <rth@cygnus.com>
15133 * jump.c (delete_insn): Don't delete user labels at -O0.
15135 2000-02-09 Robert Lipe <robertl@sco.com>
15137 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15138 Don't link with HOST_LIBS.
15140 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15142 * configure.in: Correct --help text for --with-dwarf2.
15143 Put tm-dwarf2.h after other tm files, if it's requested.
15144 * configure: Regenerate.
15145 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15148 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15150 * cpplib.h: Provide HASHNODE typedef and forward decl of
15151 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15152 DEFINITION, struct hashnode, struct macrodef, struct
15153 definition, scan_decls prototype, default defn of
15154 INCLUDE_LEN_FUDGE moved elsewhere.
15156 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15157 definition, and struct hashnode moved here. Remove the unused
15158 'predefined' field from struct definition. Replace the 'args'
15159 union with its sole member. All users updated (cpphash.c).
15160 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15161 multiple include guard.
15163 * cpphash.c (hashf): Make static; use better algorithm; drop
15164 HASHSIZE parameter; return an unsigned int.
15165 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15166 used. Calculate HASHSIZE modulus here.
15167 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15169 (create_definition): Drop PREDEFINITION parameter.
15170 * cpplib.c (do_define): Don't calculate a hash value here.
15171 Don't pass (keyword == NULL) to create_definition.
15173 * scan.h: Prototype scan_decls here.
15174 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15175 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15176 callers of cpp_lookup and cpp_install updated.
15178 * cpphash.c (macarg): Hoist all the flag diddling out of the
15180 (macroexpand): ... and out of the loop that calls macarg.
15181 Skip over the initial paren before macro arguments with
15182 cpp_get_non_space_token; point may be some distance before
15183 that paren. Abort if it's not there.
15185 * cpplib.c (parse_clear_mark): Delete function.
15186 (parse_set_mark, parse_goto_mark): Make static.
15187 (ACTIVE_MARK_P): New macro.
15188 (skip_block_comment, skip_line_comment): Do not bump the line
15189 if ACTIVE_MARK_P is true.
15190 (cpp_pop_buffer): The buffer to be popped may not have an
15192 (cpp_get_token): When looking for the initial paren before
15193 macro arguments, only set a mark in a file buffer, Always
15194 return to that mark before proceeding to call macroexpand or
15195 return a NAME token.
15197 * cpplib.h: Remove prototypes of parse_set_mark,
15198 parse_clear_mark, parse_goto_mark.
15199 (struct cpp_options): Rename 'put_out_comments' to
15200 'discard_comments' and invert its sense.
15201 * cppinit.c, cpphash.c, cpplib.c: All users of
15202 put_out_comments changed to use discard_comments, with
15205 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15207 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15208 the edge from a block that both jumps and falls through to the
15211 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15213 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15214 constant source address is legitimate.
15216 2000-02-09 Philip Blundell <pb@futuretv.com>
15218 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15221 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15223 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15225 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15227 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15228 ends with a newline and a NUL. Don't be so clever manipulating
15231 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15233 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15234 not to BIGGEST_ALIGNMENT.
15236 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15238 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15239 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15240 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15241 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15242 * frame.c (execute_cfa_insn): Handle
15243 DW_CFA_GNU_negative_offset_extended.
15245 2000-02-08 Richard Henderson <rth@cygnus.com>
15247 * flow.c (tidy_fallthru_edges): Split out from ...
15248 (delete_unreachable_blocks): ... here.
15249 (find_basic_blocks): Use it.
15251 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15253 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15255 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15257 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15258 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15259 (fix-header.o): Don't depend on cpphash.h.
15261 * scan.c (hashstr): New function.
15262 * scan.h: Prototype it.
15263 * fix-header.c: Don't include cpphash.h. Use hashstr.
15264 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15265 hashstr. Report hash table statistics. Add private
15266 definition of xrealloc.
15268 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15270 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15272 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15274 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15275 jumps with returns unless they are jumps to the fallthru block.
15277 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15279 * i386.md (addqi3_cc): Fix contraints.
15281 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15283 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15285 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15287 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15288 carriage return after a macro name.
15290 2000-02-07 Fred Fish <fnf@be.com>
15292 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15293 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15295 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15297 * cppfiles.c (deps_output): Count spacers in deps_column.
15299 2000-02-07 Neil Booth <NeilB@earthling.net>
15301 * cppinit.c (initialize_dependency_output): If there is no
15302 suffix, don't try to look for known suffixes. Use strrchr.
15303 (cpp_start_read): Remove duplicate initialization.
15305 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15307 * calls.c (compute_argument_block_size): New argument
15308 preferred_stack_boundary.
15309 (expand_call): update cfun->preferred_stack_boundary, update call of
15310 compute_argument_block_size
15311 (emit_library_call): Increate cfun->preferred_stack_boundary
15312 to PREFERRED_STACK_BOUNDARY
15313 (emit_library_call_value): Likewise.
15314 * explow.c (allocate_dynamic_stack_spave): Likewise.
15315 * function.c (prepare_function_start): Set
15316 cfun->preferred_stack_boundary
15317 * function.h (struct function): Add preferred_stack_boundary field.
15318 * integrate.c (expand_inline_function): Update
15319 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15320 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15321 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15323 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15325 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15326 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15327 cpp_pedwarn, cpp_pedwarn_with_line,
15328 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15329 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15330 v_cpp_error_with_line, v_cpp_warning_with_line,
15331 cpp_message_from_errno, cpp_perror_with_name): Delete.
15333 * cpperror.c (cpp_print_containing_files): Take starting
15334 buffer as argument.
15335 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15336 (v_cpp_message): Now called directly by all entry points.
15338 (cpp_pfatal_with_name, cpp_message): Delete.
15339 (cpp_notice_from_errno, cpp_ice): New functions.
15340 (cpp_notice): Is now for reporting error conditions, just
15341 without an associated file.
15342 (cpp_error, cpp_error_with_line): Don't do anything if
15343 opts->inhibit_errors is on.
15344 (cpp_pedwarn_with_file_and_line): Take column argument also.
15346 * cpplib.h: Update prototypes of exported functions.
15347 (struct cpp_options): Add inhibit_errors.
15349 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15350 non-error messages. Include intl.h.
15352 * cppinit.c, cppmain.c: Likewise. Also, use
15353 cpp_notice_from_errno instead of cpp_perror_with_name or
15354 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15356 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15357 report internal errors.
15359 * cpplib.c (do_define): Switch bcopy to memcpy.
15360 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15362 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15363 bail out early if we hit a line comment.
15365 2000-02-06 Richard Henderson <rth@cygnus.com>
15367 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15368 * basic-block.h: Declare them.
15369 * emit-rtl.h (active_insn_p): New.
15370 (next_active_insn, prev_active_insn): Use it.
15371 * rtl.h: Declare it.
15372 * function.c (emit_return_into_block): New.
15373 (thread_prologue_and_epilogue_insns): Insert return insns instead
15374 of epilogues when possible.
15375 * jump.c (jump_optimize_1): Remove code to insert a return insn
15376 on the fallthru to the exit block.
15378 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15379 and for non-empty stack frames.
15380 * i386.md (return): Expand to return-pop as needed.
15382 2000-02-06 Richard Henderson <rth@cygnus.com>
15384 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15385 constant to op1 for testing.
15387 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15389 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15390 (fixuns_truncqfqi2): Use it.
15392 2000-02-06 Richard Henderson <rth@cygnus.com>
15394 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15395 as a TYPE_LEA insn.
15397 * i386.md (widening and peepholes): Mask the constant instead of
15400 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15402 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15403 input pointer before possibly branching off to the backslash
15405 * cpphash.c (macroexpand): Correctly delete \r escapes when
15406 stringifying parameters.
15407 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15408 if we can; bail out early if we hit a line comment.
15409 (handle_directive): Treat '# 123' in an .S file just like
15410 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15411 Return 1 for '# not_a_directive'.
15412 (get_directive_token): Pop macro buffers here, so that
15413 cpp_get_token can't sneakily move past a newline.
15415 (cpp_get_token): goto randomchar if handle_directive returns 0.
15417 * cppalloc.c: Update copyright.
15418 * cpplib.c: Merge all the static function prototypes into one
15420 * cpplib.h: Remove #if 0 block.
15422 * cpperror.c: Remove #ifdef EMACS block.
15423 * cppmain.c: Likewise.
15424 * cpphash.c: Remove #if 0 blocks.
15425 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15426 * cpplib.c: Remove #if 0 blocks and code referencing
15427 pcp_inside_if or for_lint. Remove duplicate error message.
15428 Fix error messages for #else after #else or #elif. Reformat.
15429 Remove archaic TODO list.
15430 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15432 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15434 * i386/osf1elf.h: Add missing backslash to multiline string.
15436 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15438 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15440 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15442 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15444 * c-common.c: Include expr.h.
15446 * c-pragma.c (mark_align_stack): Add prototype.
15448 * caller-save.c (add_stored_regs): Likewise.
15450 * combine.c (record_promoted_value): Likewise.
15452 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15455 * cppinit.c (new_pending_define): Likewise.
15457 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15459 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15460 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15461 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15462 class_scope_p): Likewise.
15464 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15465 dwarf2out_add_library_unit_info): Likewise.
15467 * ggc.h (ggc_page_print_statistics): Likewise.
15469 * haifa-sched.c (propagate_deps): Likewise.
15471 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15473 * rtl.h (set_stack_check_libfunc): Likewise.
15475 * toplev.h (set_fatal_function): Likewise.
15477 * toplev.c (set_fatal_function): Delete prototype.
15479 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15481 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15483 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15484 (FUNC_END): Likewise.
15486 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15488 * caller-save.c: Include tm_p.h.
15490 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15492 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15494 2000-02-04 Neil Booth <NeilB@earthling.net>
15496 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15499 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15501 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15502 * genflags.c: Use the max_operand_1 logic from genemit.c to
15503 calculate how many arguments gen_insn prototypes have. Remove
15504 NO_MD_PROTOTYPES ifdefs from the generated file.
15505 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15506 file. Cast gen_insn initializers to insn_gen_fn.
15507 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15508 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15510 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15512 * fixinc/Makefile.in (HDR): Add machname.h.
15515 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15517 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15518 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15519 (c4x_cpu_version): Ditto.
15520 * config/c4x/c4x-protos.h: ... here.
15522 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15524 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15525 gen_abstract_function on our context if we're a nested function.
15527 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15529 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15530 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15532 2000-02-04 Bruce Korb <bkorb@gnu.org>
15534 * fixinc/genfixes(machname.h):
15535 Move the functionality from gen-machine.h into this file.
15536 UNdef MN_NAME_PAT if there are no names to change.
15537 Also, be a little kinder when AutoGen is not present.
15539 * fixinc/Makefile.in(machname.h):
15540 Change the generation rule to use genfixes.
15542 * fixinc/fixfixes.c(machine_name):
15543 machine_name_fix's functionality now dependent upon whether
15544 MN_NAME_PAT is defined.
15546 * fixinc/fixtests.c(machine_name):
15549 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15552 * fixinc/fixlib.h(mn_get_regexps):
15555 * fixinc/gen-machine.h: DELETED
15557 2000-02-04 Jan Hubicka <jh@suse.cz>
15558 Richard Henderson <rth@cygnus.com>
15560 * i386.c (SAVE_REGS_FIRST): Remove.
15561 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15562 (ix86_compute_frame_size): Likewise.
15563 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15564 (ix86_emit_restore_regs): Remove.
15565 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15566 when a frame pointer is in use.
15567 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15568 instead of pop to restore a register when profitable; emit leave
15570 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15571 as a TYPE_LEA insn.
15572 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15573 * i386.md (prologue_allocate_stack): Remove.
15574 (epilogue_deallocate_stack): Remove.
15575 (pro_epilogue_adjust_stack): New.
15577 2000-02-04 Richard Henderson <rth@cygnus.com>
15579 * function.c (diddle_return_value): Rework to use a callback function.
15580 Use current_function_return_rtx if it's been set up.
15581 (do_clobber_return_reg, clobber_return_register): New.
15582 (do_use_return_reg, use_return_register): New.
15583 (expand_function_end): Use them.
15584 * stmt.c (expand_null_return): Likewise.
15585 * function.h: Declare them.
15586 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15587 (mark_reg): Change arguments as appropriate for callback.
15588 * integrate.c (expand_inline_function): Revert 19 Jan change.
15590 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15592 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15593 (Misc): Say the scheduler, not the Haifa scheduler.
15595 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15597 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15598 when in_mem is set. Update all callers.
15600 2000-02-04 Richard Henderson <rth@cygnus.com>
15602 * i386/openbsd.h (INT_ASM_OP): Define.
15604 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15606 * tm.texi: Fix various typos.
15608 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15610 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15611 (MD_STARTFILE_PREFIX_1): New macro.
15613 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15615 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15616 destination when needed.
15617 (strmovsi, strsetsi): New expander.
15618 (strmovsi_1, strsetsi_1): New pattern.
15619 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15620 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15621 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15622 * invoke.texi (align-stringops, inline-all-stringops): Document.
15624 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15626 * i386/netbsd.h (INT_ASM_OP): Define.
15628 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15630 * cpplib.h (cpp_reader): Add new flag, no_directives.
15631 * cpphash.c (macarg): Set it.
15632 * cpplib.c (handle_directive): If no_directives is on and we
15633 find a directive, issue an error and discard the line.
15635 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15637 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15638 FP constants. Add ! TARGET_FPU check for FP constants.
15640 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15642 * flow.c (find_basic_blocks): Don't kill label_value_list
15644 (cleanup_cfg): Kill it here.
15646 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15648 * expr.c (store_field): Ensure ALIGN is no stricter than the
15651 2000-02-02 Richard Henderson <rth@cygnus.com>
15653 * jump.c (delete_insn): Partially revert 19 Jan change;
15654 don't convert unused code labels to notes at -O0.
15656 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15658 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15659 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15661 2000-02-01 Richard Henderson <rth@cygnus.com>
15663 * i386.c (general_no_elim_operand): New.
15664 (nonmemory_no_elim_operand): New.
15665 (ix86_expand_move): Copy eliminable operands before a push.
15666 * i386-protos.h: Declare new functions.
15667 * i386.h (CAN_ELIMINATE): Simplify.
15668 (PREDICATE_CODES): Update.
15669 * i386.md (push insns): Don't allow eliminable register operands.
15671 2000-02-01 Richard Henderson <rth@cygnus.com>
15673 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15674 replace BLKmode with DECL_RTL's mode.
15676 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15678 * frame.c (find_fde): Convert for loop to do-while so compiler
15679 sees it's always executed at least once.
15680 * libgcc2.c (BBINBUFSIZE): Kill.
15681 (__bb_init_prg): Use fgets.
15682 (__bb_exit_trace_func): Don't paste strings.
15683 * unroll.c (unroll_loop): Initialize unroll_type, not
15684 unroll_number, and tweak logic to match.
15686 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15688 (ix86_flags_dependant): Likewise. Disentangle control flow.
15689 (ix86_sched_reorder): Break guts out to
15690 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15691 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15694 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15695 use string concatenation. Don't save and restore esi.
15697 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15698 (machname.h): Remove script to separate file. Use two-step
15699 sequence so target is not created if script fails.
15700 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15701 identifiers are defined.
15702 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15703 an empty string, machine_name doesn't need to do anything at
15705 (is_cxx_header): Add more cases to regexp.
15706 * fixinc/fixlib.h: Update prototype.
15707 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15709 * fixinc/fixincl.c: Define NO_BOGOSITY.
15711 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15712 (hp_sysfile): Add missing comma.
15713 (math_exception): Put the wrapper ifdefs at the beginning and
15714 the end of the file.
15715 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15717 2000-02-01 Richard Henderson <rth@cygnus.com>
15719 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15720 Use CONST0_RTX. Update all callers.
15721 * sparc.h, sparc-protos.h: Update accordingly.
15722 * sparc.md (fp mov insns): Use fp_zero_operand directly
15725 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15727 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15730 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15732 * Makefile.in (specs.ready): New target.
15733 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15735 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15737 * fixinc.irix: Use unique filenames for writing into /tmp,
15738 * fixinc.ptx: Likewise.
15739 * fixinc.sco: Likewise.
15740 * fixinc.svr4: Likewise.
15741 * fixinc.winnt: Likewise.
15743 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15745 * tsystem.h: New file.
15747 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15748 s-crtS): Depend on tsystem.h.
15750 * crtstuff.c: Include tsystem.h.
15751 * frame.c: Likewise.
15752 * libgcc2.c: Likewise.
15754 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15756 * builtins.c (expand_builtin_memset): Expand for variable sized
15759 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15761 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15764 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15766 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15768 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15770 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15772 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15773 case 3->2 combining (combining with splitting) in which 2 is CC0
15774 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15775 checked at the begining of the function with the aid of calling
15776 function 'can_combine_p'.
15778 2000-01-31 Dave Brolley <brolley@redhat.com>
15780 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15782 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15784 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15787 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15789 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15791 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15794 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15796 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15797 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15798 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15799 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15800 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15801 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15802 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15803 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15804 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15805 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15807 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15808 Add %(cpp_cpu) to CPP_SPEC.
15810 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15811 Add %(cc1_cpu) to CC1_SPEC.
15813 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15815 * c-decl.c (c_decode_option): Accept optional numeric argument to
15816 -Wformat and set warn_format.
15817 * c-common.c: Don't emit warning about non-constant printf format
15818 string unless warn_format > 1.
15820 2000-01-30 Richard Henderson <rth@cygnus.com>
15822 * alpha.md (return_internal): Allow after reload only.
15824 2000-01-30 Richard Henderson <rth@cygnus.com>
15826 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15827 local frame size is zero.
15829 2000-01-30 Richard Henderson <rth@cygnus.com>
15831 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15832 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15833 * alpha.md (return): Turn into an expander.
15834 (return_internal): Don't use $26.
15835 (epilogue): Emit the return insn.
15837 2000-01-30 Richard Henderson <rth@cygnus.com>
15839 * alpha.md (negtf2, abstf2): Fix word order thinko.
15840 (extendsftf2): New.
15841 (trunctfsf2): Avoid intermediate rounding errors.
15843 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15845 * cppfiles.c (find_position): Drop 'colp' argument, return the
15847 (read_and_prescan): Adjust to match. Don't ever manipulate
15848 line or line_base except via find_position.
15850 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15852 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15853 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15856 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15858 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15859 just print "<command line>". If 'filename' is null or an
15860 empty string, print "<stdin>" for the filename.
15861 * cpplib.c (do_define): Don't print the 'location of the
15862 previous definition' message if we're still parsing the
15864 (cpp_pedwarn_with_file_and_line): Always call
15865 cpp_file_line_for_message.
15867 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15869 * flow.c (mark_regs_live_at_end): Fix typo.
15871 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15873 * c-common.c: Adjust variable names, comments, help strings to c99.
15874 * c-lex.c: Likewise.
15875 * c-parse.y: Likewise.
15876 * c-tree.h: Likewise.
15877 * cccp.c: Likewise.
15878 * cpplib.h: Likewise.
15879 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15880 * cppinit.c: Likewise.
15882 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15884 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15885 * c4x.c: Define the optab rtx values.
15886 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15887 (c4x_emit_libcall): Use new optab rtx values.
15888 (c4x_emit_libcall3): Likewise.
15889 (c4x_emit_libcall_mulhi): Likewise.
15890 * c4x-protos.h: Add prototypes for optab rtx values and change
15891 prototypes for above c4x_emit_libcall functions.
15893 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15895 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15897 (c4x_function_prologue): Use regnames intead of float_reg_names when
15899 (c4x_function_epilogue): Likewise.
15900 (c4x_print_operand): Likewise.
15901 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15902 * c4x.md (set_high): Disable for TARGET_TI.
15904 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15906 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15907 of framepointer + constant to ADDR_REGS class.
15908 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15909 * c4x.c (std_or_reg_operand): New function.
15910 * c4x-protos.h (std_or_reg_operand): Prototype it.
15912 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15914 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15915 object names as libgcc2.c.
15916 * libgcc.S: Use newly defined names.
15918 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15919 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15921 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15922 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15923 (FLOW_LOOP_LAST_BLOCK): Likewise.
15925 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15927 * basic-block.h (struct loop): New fields 'first' and 'last'.
15928 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15929 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15930 and loop->last to check for NOTE_INSN_LOOP_END.
15932 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15934 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15935 of the loop descriptor rather than HEADER and LATCH. Also added
15936 missing break statements as well making some coding style modifications
15937 as suggested by Michael Hayes.
15939 2000-01-28 Richard Henderson <rth@cygnus.com>
15941 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15942 Break out that code ...
15943 (cleanup_cfg): ... here.
15944 (commit_one_edge_insertion): Detect a return instruction being
15945 emitted to an edge. Emit a barrier following; clear fallthru.
15946 (commit_edge_insertions): Verify CFG consistency.
15947 * function.c (expand_function_start): Kill unused variable.
15948 (expand_function_end): Likewise.
15949 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15950 to insert the epilogue.
15952 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15953 (delete_null_pointer_checks): Likewise.
15954 * output.h: Likewise.
15955 * reg-stack.c (reg_to_stack): Likewise.
15956 * toplev.c (rest_of_compilation): Likewise. Run
15957 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15959 2000-01-28 Richard Henderson <rth@cygnus.com>
15961 * Makefile.in (flow.o): Revert 24 Jan change.
15962 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15963 FUNCTION_VALUE result to DECL_RESULT's mode.
15965 * haifa-sched.c (schedule_insns): Don't recompute reg info
15968 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15970 * configure.in: Make --enable-cpplib the default.
15971 * configure: Regenerate.
15972 * gcc.dg/990119-1.c: No longer expected to fail.
15974 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15976 * jump.c (jump_optimize_1): Delete an optimization that is also done
15977 by merge_blocks in flow.
15979 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15981 * diagnostic.c (build_message_string, output_printf,
15982 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15983 (build_location_prefix): Fix non-literal format string.
15985 2000-01-27 Richard Henderson <rth@cygnus.com>
15987 * alpha.md (trunctfsf2): New.
15989 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15991 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15993 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15995 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15997 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15999 (skip_comment) ... here. Permit C++ comments in system
16000 headers always. Warn about C++ comments in user code under
16001 -std=gnu89 -pedantic.
16002 (copy_comment): Use skip_comment.
16003 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16005 (consider_directive_while_skipping, do_else, do_endif): Call
16006 validate_else unconditionally.
16007 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16008 text after the conditional in a system header.
16009 * cpplib.h (struct cpp_buffer): Add flag
16010 warned_cplusplus_comments.
16012 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16014 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16015 Use unshare_all_rtl_1.
16016 (unshare_all_rtl_again): New function.
16017 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16019 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16020 rather than resetting the 'used' flags ourself.
16022 * toplev.c (rest_of_compilation): Add current_function_decl
16023 to the unshare_all_rtl call.
16024 * tree.h: Prototype unshare_all_rtl.
16025 * rtl.h: Prototype unshare_all_rtl_again here.
16027 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16029 * genoutput.c (output_prologue): Include ggc.h in generated
16031 * Makefile.in (insn-output.o): Depends on ggc.h.
16033 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16034 Hans-Peter Nilsson <hp@bitrange.com>
16036 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16037 Remove redundant include of xm-ns32k.h.
16038 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16039 Remove redundant include of xm-ns32k.h.
16040 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16041 Remove redundant include of xm-ns32k.h.
16042 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16044 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16045 (TARGET_SWITCHES): Add documentation strings.
16046 (DWARF_FRAME_REGNUM): Override default definition.
16047 (REG_CLASS_CONTENTS): Add comments.
16048 (SUBSET_P): Format to reduce line length.
16049 (SMALL_REGISTER_CLASSES): Make a run time option.
16050 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16051 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16052 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16053 (regclass_map): fix typo in comment.
16054 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16055 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16056 (trace, reg_or_mem_operand): Delete, unused function.
16057 (calc_address_cost): Small offsets are cheaper than large ones.
16058 (expand_block_move): Generate more efficient code when bytes is a
16059 known at compile time.
16060 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16061 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16062 instead of reg_or_mem_operand.
16064 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16065 not general_operand. Similarly use "=rm" or stricter, not "=g".
16066 For input operands, use stricter constraints than "g" if not
16067 general_operand. Similarly use stricter predicate than
16068 "general_operand" when stricter constraints than "g" are present,
16069 except for matching constraints.
16070 (movstrsi): Use "memory_operand" for operands 0 and 1.
16071 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16072 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16073 not reg_or_mem_operand.
16074 (udivmoddisi4): Ditto.
16075 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16076 Use nonimmediate_operand for operand 3, not register_operand.
16077 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16078 reg_or_mem_operand.
16080 2000-01-27 Fred Fish <fnf@be.com>
16082 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16083 * gthr-single.h: Likewise.
16084 * gthr-solaris.h: Likewise.
16085 * gthr-vxworks.h: Likewise.
16086 * gthr-win32.h: Likewise.
16087 * gthr.h: Likewise.
16089 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16091 * cppinit.c: Add " (cpplib)" to end of string printed by
16094 2000-01-27 Richard Henderson <rth@cygnus.com>
16096 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16097 testing for a signed comparison.
16098 (alpha_emit_floatuns): New.
16099 * alpha-protos.h: Declare it.
16100 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16101 (extendsfdf2): Tidy.
16103 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16105 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16106 no -g option specifying debugging format, default to -gstabs+.
16108 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16110 * calls.c (special_function_p): New argument fork_or_exec.
16111 (expand_call): When profile_arc_flag is set and the function
16112 is in the fork_or_exec group, call __bb_fork_func first.
16113 * libgcc2.c, _bb module (__bb_fork_func): New function.
16114 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16116 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16117 * tree.h (special_function_p): Update prototype.
16119 2000-01-26 Richard Henderson <rth@cygnus.com>
16121 * alpha.c (alpha_split_tfmode_pair): New.
16122 * alpha-protos.h: Declare it.
16123 * alpha.md (abstf2, negtf2): New.
16124 (movtf insn): Add input G constraint.
16125 (movtf splitter): Use alpha_split_tfmode_pair.
16127 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16129 * i386/cygwin.h: PROTO -> PARAMS.
16131 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16133 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16134 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16135 using _Qp_cmp/_Q_cmp and testing the return value.
16136 (print_operand): Call reverse_condition_maybe_unordered if
16137 we are handling CCFPmode or CCFPEmode.
16138 Handle ORDERED, UN* and LTGT comparisons.
16139 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16140 if not TARGET_HARD_QUAD.
16141 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16142 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16143 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16144 Adjust gen_b* calls so that they reflect return comparison of
16145 sparc_emit_float_lib_cmp.
16147 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16149 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16150 incoming operands array is large enough for one more operand.
16151 (alpha_emit_xfloating_arith): Likewise.
16153 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16155 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16156 file with one line and no trailing newline.
16157 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16158 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16159 checking if the match is on the line.
16160 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16162 2000-01-25 Richard Henderson <rth@cygnus.com>
16164 * sparc.c (output_cbranch): Fix accidental squashing of the
16165 fp branch pre-delay nop.
16167 2000-01-25 Richard Henderson <rth@cygnus.com>
16169 * tree.def (UNNE_EXPR): Remove.
16170 * c-typeck.c (build_binary_op): Don't handle it.
16171 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16173 * rtl.def (UNNE): Remove.
16175 * jump.c (reverse_condition): Update accordingly.
16176 (swap_condition): Likewise.
16177 (comparison_dominates_p): Handle unordered comparisons.
16178 (reverse_condition_maybe_unordered): New.
16179 * rtl.h (reverse_condition_maybe_unordered): Declare.
16181 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16182 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16183 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16184 * sparc.md (bltgt): New.
16186 2000-01-25 Nick Clifton <nickc@redhat.com>
16188 * emit-rtl.c (emit_insn): Only check machine class insns for
16189 improper emission of a RETURN.
16191 2000-01-25 Richard Henderson <rth@cygnus.com>
16193 * Makefile.in (flow.o): Depend on $(EXPR_H).
16194 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16195 duplicate the structure of diddle_return_value for keeping regs live.
16197 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16199 * loop.c (current_loop_info): Delete.
16200 (consec_sets_invariant_p): Add loop argument, update callers.
16201 (get_condition_for_loop): Likewise.
16202 (count_nonfixed_reads, update_giv_derive): Likewise.
16203 (simplify_giv_expr, general_induction_var): Likewise.
16204 (consec_sets_giv, recombine_givs): Likewise.
16205 (move_movables): Delete loop_start and loop_end arguments,
16206 add loop argument, and update callers.
16207 (find_mem_givs, check_final_value): Likewise.
16208 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16209 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16211 (basic_induction_var): Add loop argument, delete loop_level argument,
16212 and update callers.
16213 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16214 add loop argument, and update callers.
16215 (find_splittable_regs, find_splittable_givs): Likewise.
16216 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16217 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16218 (biv_total_increment): Delete loop_start and loop_end arguments;
16220 (precondition_loop_p): Delete loop_start and loop_info arguments;
16222 * loop.h (get_condition_for_loop): Add loop argument.
16223 (biv_total_increment): Delete loop_start and loop_end arguments.
16224 (precondition_loop_p): Delete loop_start and loop_info arguments;
16226 (final_biv_value): Delete loop_start and loop_end arguments;
16228 (final_giv_value, back_branch_in_range_p): Likewise.
16230 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16232 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16234 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16236 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16237 point to the new "generated_files" doc.
16239 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16241 * config/fp-bit.c (_unord_f2): Fix typo.
16243 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16245 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16246 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16247 functions obsoleted by GC, such as push_obstacks_nochange,
16248 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16249 and code which existed only to decide whether or not to call
16250 them. Remove now-unused NESTED argument from start_function;
16251 all callers changed. Do not change behavior based on ggc_p.
16252 The use of the ixp_obstack in c-iterate.c and the util_obstack
16253 in objc/objc-act.c remain; these are not obsoleted by garbage
16255 * c-tree.h: Update prototype for start_function.
16257 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16259 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16261 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16264 2000-01-25 Richard Henderson <rth@cygnus.com>
16266 * sparc-protos.h (select_cc_mode): Declare.
16267 * sparc.c (select_cc_mode): New. Handle unordered compares.
16268 (output_cbranch): Always reverse via code change. Handle
16269 unordered compares. Factor tests and string updates.
16270 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16271 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16272 * sparc.md (bunordered, bordered): New.
16273 (bungt, bunlt, buneq, bunge, bunle): New.
16275 2000-01-25 Richard Henderson <rth@cygnus.com>
16277 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16278 * ggc-common.c (ggc_add_rtx_varray_root): New.
16279 (ggc_mark_rtx_varray): New.
16280 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16281 functions down below ggc_mark_foo.
16282 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16284 2000-01-25 Richard Henderson <rth@cygnus.com>
16286 * alpha.c (secondary_reload_class): Don't allocate a secondary
16287 for integral mode memories into FLOAT_REGS. Rearrange the more
16288 complicated memory expression inward.
16290 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16292 * inclhack.def: Fixes to play nicer with FreeBSD, and
16293 corrections to comments.
16294 (cxx_unready): Add select expression.
16295 (irix_sockaddr): Add bypass expression.
16296 (machine_ansi_h_va_list): New fix.
16297 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16298 Split out addition of "#include <stdarg.h>" to...
16299 (stdio_stdarg_h): ... here.
16300 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16301 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16302 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16304 (ultrix_ifdef): Tighten up select expression.
16306 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16307 re_ct and max_mach to avoid use of shell. Make printed names
16308 match names in inclhack.def. Use static copyright date.
16309 Don't count c_test and test expressions as requiring regex_t
16310 slots. Add some commentary.
16311 * inclhack.tpl: Do not include the 'This script contains N
16312 fixup scripts' line if PROGRAM is defined. Use static
16315 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16317 * dwarf2out.c: include "varray.h", not dyn-string.h.
16318 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16319 (addr_const_to_string, addr_to_string): Lose.
16320 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16321 (struct dw_val_struct): val_addr is now an rtx.
16322 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16323 (used_rtx_varray): New varray.
16324 (dwarf2out_init): Initialize it.
16325 (save_rtx): New fn.
16326 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16328 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16329 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16330 * Makefile.in (dwarf2out.o): Update dependencies.
16332 2000-01-24 Richard Henderson <rth@cygnus.com>
16334 * i386.c (i386_dwarf_output_addr_const): New.
16335 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16337 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16339 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16340 * i386.c (i386_simplify_dwarf_addr): New.
16341 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16343 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16345 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16346 TYPE_STUB_DECL is NULL.
16348 2000-01-24 Richard Henderson <rth@cygnus.com>
16350 * builtins.c (expand_tree_builtin): Move ...
16351 * c-common.c (expand_tree_builtin): ... here.
16353 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16355 * loop.h (LOOP_INFO): New accessor macro.
16356 * basic-block.h (struct loop): Rename field `info' to `aux'.
16357 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16358 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16359 * unroll.c (loop_iterations, unroll_loop): Likewise.
16361 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16363 * config/i386/t-cygwin: Accomodate new winsup directory layout
16364 when searching for include files.
16366 2000-01-24 Richard Henderson <rth@cygnus.com>
16368 * rtl.def: Add unordered fp comparisions.
16369 * tree.def: Likewise.
16370 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16372 * builtins.c (expand_tree_builtin): New function.
16373 * c-typeck.c (build_function_call): Use it.
16374 (build_binary_op): Support unordered compares.
16375 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16377 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16378 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16379 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16380 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16381 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16383 (swap_condition): Handle unordered compares.
16384 (thread_jumps): Check can_reverse before reversing.
16385 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16388 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16389 setcc is present before acking for cmp_optab. Update all callers.
16390 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16391 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16392 * expr.c (expand_expr): Likewise. Support unordered compares.
16393 (do_jump, do_store_flag): Likewise.
16394 * expr.h (enum libfunc_index): Add unordered compares.
16396 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16397 (DPBIT_FUNCS): Add _unord_df.
16398 * config/fp-bit.c (_unord_f2): New.
16399 * fp-test.c (main): Try unordered compare builtins.
16401 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16402 * alpha.c (alpha_comparison_operator): Check mode properly.
16403 (alpha_swapped_comparison_operator): Likewise.
16404 (signed_comparison_operator): Likewise.
16405 (alpha_fp_comparison_operator): New.
16406 (alpha_emit_conditional_branch): Handle unordered compares.
16407 * alpha.h (PREDICATE_CODES): Update.
16408 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16409 (bunordered, bordered): New.
16411 2000-01-24 Richard Henderson <rth@cygnus.com>
16413 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16414 * alpha.md (movtf): New expander, insn, and splitter.
16416 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16418 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16421 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16423 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16424 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16425 REG_ALLOC_ORDER): Add frame pointer
16426 (FRAME_POINTER_REGNUM): Set to 20
16427 (HARD_FRAME_POINTER_REGNUM): New macro.
16428 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16429 to HARD_FRAME_POINTER.
16430 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16431 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16432 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16433 (HI_REGISTER_NAMES): Add "frame".
16434 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16435 (debug_reg): Handle FRAME_POINTER_REGNUM.
16436 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16437 GENERAL_REGS and INDEX_REGS.
16438 * i386.c (SAVED_REGS_FIRST): new macro.
16439 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16440 (ix86_decompose_address, memory_address_length): Likewise.
16441 (regclass_map): Add frame pointer.
16442 (call_insn_operand): Handle frame_pointer_rtx.
16443 (reg_no_sp_operand): Likewise.
16444 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16445 (print_operand, legitimize_pic_address): Fix formating.
16446 (ix86_compute_frame_size): Make static, update prototype, new
16447 parameters padding1, padding2, use ix86_nsaved_regs, use
16448 stack_alignment_needed.
16449 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16450 to HARD_FRAME_POINTER_REGNUM conversions.
16451 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16452 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16453 (print_reg): Abort on FRAME_POINTER_REGNUM
16455 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16457 * i386.h (PREDICATE_CODES): Add aligned_operand.
16458 * i386.c (aligned_operand): New function.
16459 (ix86_aligned_p): Kill.
16460 * i386.md (movhi_1): Emit mov for aligned operands.
16461 (promoting peep2s): Use aligned_operand.
16463 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16465 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16466 expression to allow underscores in macro names.
16467 (fix_char_macro_defines): Increment scanning pointer.
16469 2000-01-23 Richard Henderson <rth@cygnus.com>
16471 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16472 * alpha/osf5.h: New file.
16473 * configure.in (alpha-*-osf5): Add it to tm_file.
16475 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16477 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16478 (alpha_emit_xfloating_cvt, function_arg): Declare.
16479 * alpha.c (alpha_emit_conditional_branch): Call
16480 alpha_emit_xfloating_compare for TFmode compares.
16481 (alpha_lookup_xfloating_lib_func): New.
16482 (alpha_compute_xfloating_mode_arg): New.
16483 (alpha_emit_xfloating_libcall): New.
16484 (alpha_emit_xfloating_arith): New.
16485 (alpha_emit_xfloating_compare): New.
16486 (alpha_emit_xfloating_cvt): New.
16487 (print_operand): Add default abort case.
16488 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16489 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16490 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16491 (RETURN_IN_MEMORY): True for TF/TCmode.
16492 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16493 (FUNCTION_ARG): Move to function_arg.
16494 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16495 (ASM_OUTPUT_LONG_DOUBLE): New.
16496 (ASM_OUTPUT_DOUBLE): Always output bits.
16497 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16498 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16499 (extenddftf2, trunctfdf2): New.
16501 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16503 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16504 * config/sparc/sol2.h: ... here.
16506 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16508 * basic-block.h (struct loops): New field `levels'.
16509 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16510 (flow_loop_level_compute): Initialise level to 1.
16511 (flow_loops_find): Set loops->levels.
16512 (flow_loops_dump): Print loops->levels.
16514 2000-01-23 Richard Henderson <rth@cygnus.com>
16516 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16517 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16519 2000-01-23 Richard Henderson <rth@cygnus.com>
16521 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16522 * i386.h (DBX_REGISTER_NUMBER): Use them.
16523 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16524 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16525 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16526 * i386/sequent.h: Kill incorrect comment.
16528 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16530 * ggc-page.c (struct page_entry): Make `context_depth' an
16532 (struct globals): Likewise.
16534 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16536 * loop.c (check_dbra_loop): When checking a loop for
16537 reversability, check the source of any stores to ensure
16538 they don't depend on an initial value.
16540 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16542 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16544 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16546 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16547 'pz_scan' into scope of entire function. Only affects
16548 compiles with -DDEBUG.
16550 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16552 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16553 section naming to that prior to 2000-01-07 patch.
16554 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16555 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16556 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16557 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16558 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16560 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16562 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16565 2000-01-21 Jim Wilson <wilson@cygnus.com>
16567 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16568 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16570 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16572 * cpphash.c (change_newlines): Delete function.
16573 (struct argdata): Delete 'newlines' and 'use_count' fields.
16574 (macroexpand): Remove code referencing those fields.
16576 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16578 * loop.c (loops_info): New variable.
16579 (loop_optimize): Allocate loops->array and free it on exit.
16580 Allocate memory for loops_info and assign to each loop,
16582 (find_and_verify_loops): Do not allocate loops->array.
16584 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16586 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16588 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16590 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16591 pseudos if expanded after first flow.
16592 (movdi_pic_label_ref): Likewise.
16594 2000-01-20 Richard Henderson <rth@cygnus.com>
16596 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16598 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16600 * Makefile.in (fixinc.sh): Depend on specs.
16601 * fixinc/Makefile.in: Add rule to create machname.h.
16602 (fixlib.o): Depend on machname.h.
16603 * fixinc/fixtests.c (machine_name): New test.
16604 * fixinc/fixfixes.c (machine_name): New fix.
16605 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16606 the machine_name test and fix.
16607 * fixinc/fixlib.h: Prototype it.
16608 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16609 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16611 * gcc.c (do_spec_1) [case P]: Take care not to create
16612 identifiers with three leading or trailing underscores.
16614 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16615 (fixincl): Don't specify libraries twice on link line.
16616 (gnu-regex.o): Remove special rule.
16617 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16618 defined by config.h. Do not define _REGEX_RE_COMP.
16619 (regcomp): Allocate and initialize a fastmap.
16620 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16622 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16624 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16626 2000-01-19 Richard Henderson <rth@cygnus.com>
16628 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16629 arguments with BB. Update all callers. Tidy line wrapping.
16631 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16633 * emit-rtl.c (try_split): Return last_insn if we split the
16636 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16638 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16639 (ix86_initial_elimination_offset): Declare.
16640 * i386.c (ix86_nsaved_regs): Break out from ...
16641 (ix86_can_use_return_insn_p): ... here.
16642 (ix86_emit_save_regs): Break out from ...
16643 (ix86_expand_prologue): ... here.
16644 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16646 (ix86_expand_epilogue): ... here.
16647 (ix86_compute_frame_size): Make static, add prototype.
16648 (ix86_initial_elimination_offset): Break out from ...
16649 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16651 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16653 * recog.h (OUT_FCN): Delete.
16655 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16657 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16659 * cppalloc.c: PROTO -> PARAMS.
16660 * cpperror.c: Likewise.
16661 * cppfiles.c: Likewise.
16662 * cpplib.c: Likewise.
16663 * cpplib.h: Likewise.
16665 * config/arm/arm-protos.h: PROTO -> PARAMS.
16666 * config/arm/arm.c: Likewise.
16667 * config/c4x/c4x.c: Likewise.
16668 * config/fr30/fr30-protos.h: Likewise.
16669 * config/nextstep.c: Likewise.
16670 * config/pa/pa.c: Likewise.
16671 * config/pj/pj.c: Likewise.
16672 * config/rs6000/rs6000.c: Likewise.
16673 * config/v850/v850-protos.h: Likewise.
16674 * config/v850/v850.c: Likewise.
16676 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16678 * i370-protos.h: New file.
16680 * i370.c: Include tm_p.h. Fix compile time warnings.
16682 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16685 * i370.md: Likewise.
16687 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16689 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16690 (target_isinf, target_isnan, eisnan): Mark parameter with
16692 (eiisinf): Wrap in INFINITY.
16693 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16694 (ibmtoe): Remove unused variable `rndsav'.
16696 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16698 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16699 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16701 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16703 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16704 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16705 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16707 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16708 Recognize Emacs mode markers also.
16709 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16710 C++ comments in C++ headers. Call is_cxx_header only if
16713 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16714 bypass for ncurses.
16715 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16716 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16717 ... these, which use the new C fixes.
16718 (math_exception): Escape literal '+' in bypass expression.
16720 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16723 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16725 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16728 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16730 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16731 prior to calling scan_loop.
16733 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16735 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16736 (split_branches, calc_live_regs): Likewise.
16738 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16740 * sh.md (fpu_single, fp_mode): New attributes.
16742 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16744 * loop.c (current_loop_info): Renamed from loop_info_data
16745 and changed to a pointer.
16746 (loop_optimize): Allocate loop_info structure for each loop
16747 and initialise to zero.
16748 (scan_loop): Set current_loop_info.
16750 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16753 2000-01-19 Richard Henderson <rth@cygnus.com>
16755 * stupid.c: Die die die.
16756 * Makefile.in (OBJS): Remove stupid.o.
16757 (stupid.o): Likewise.
16759 * except.c (emit_eh_context): Don't emit USEs for stupid.
16760 * explow.c (probe_stack_range): Likewise.
16761 * flags.h (obey_regdecls): Remove.
16762 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16763 when not optimizing.
16764 (life_analysis): Limit data collection when not optimizing.
16765 (mark_regs_live_at_end): Always mark the return value registers.
16766 (mark_used_regs): Remove dummy RETURN case.
16767 (print_rtl_with_bb): Don't consult obey_regdecls.
16768 * function.c (use_variable, use_variable_after): Remove.
16769 (assign_parms): Consult optimize not obey_regdecls.
16770 (expand_function_start): Don't emit USEs for stupid.
16771 (expand_function_end): Likewise.
16772 * global.c (build_insn_chain): Export.
16773 * integrate.c (expand_inline_function): Kill return-value USE
16775 * jump.c (jump_optimize_1): Do simple jump optimizations and
16776 dead code elimination.
16777 (calculate_can_reach_end): Remove check_deleted argument.
16778 (delete_insn): Patch out insns even when not optimizing.
16779 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16780 * rtl.h (use_variable, use_variable_after): Remove declarations.
16781 (build_insn_chain): Declare.
16782 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16783 (expand_end_bindings): Likewise.
16784 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16785 * toplev.c (obey_regdecls): Remove.
16786 (rest_of_compilation): Don't set it. Kill stupid in favour of
16787 flow1, local-alloc, and reload.
16788 (main): Don't set obey_regdecls.
16790 * config/nextstep.c (handle_pragma): Likewise.
16792 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16794 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16796 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16798 * alpha-protos.h: PROTO -> PARAMS.
16799 * alpha.c: Likewise.
16801 * h8300.c: Likewise.
16802 * i386-protos.h: Likewise.
16803 * i386.c: Likewise.
16804 * m32r-protos.h: Likewise.
16805 * m32r.c: Likewise.
16806 * mips.c: Likewise.
16807 * mips.md: Likewise.
16808 * gmon-sol2.c: Likewise.
16809 * sparc.c: Likewise.
16811 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16813 * ns32k-protos.h: New file.
16815 * ns32k.c: Fix compile time warnings.
16817 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16820 * ns32k.md: Likewise.
16822 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16824 * vax-protos.h: New file.
16826 * vax.c: Fix compile time warnings.
16828 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16831 * vax.md: Likewise.
16833 * vaxv.md: Likewise.
16835 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16837 * romp-protos.h: New file.
16839 * romp.c: Fix compile time warnings.
16841 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16844 * romp.md: Likewise.
16846 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16848 * we32k-protos.h: New file.
16850 * we32k.c: Fix compile time warnings.
16852 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16855 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16857 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16859 * except.c (eh_regs): Likewise.
16861 * final.c (output_operand): Likewise.
16863 * fold-const.c (target_isinf, target_isnan): Likewise.
16865 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16867 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16868 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16870 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16871 when optimize_size.
16872 (clrstrsi): Rewrite.
16873 (strsethi, strsetqi): New expanders.
16874 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16875 (cmpstrsi): Emit compare insn before cmpstrsi_1
16876 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16877 (strlensi_1): Likewise.
16878 (cmpstrsi_1): Likewise; do not output compare.
16879 (strlen expander): Do not unroll when optimizing for size.
16880 (*subsi3_carry): Rename to subsi3_carry
16881 (addqi3_cc): New pattern.
16882 * i386.h (processor_costs): Add move_ratio field.
16883 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16884 * i386.c (*_cost): Set move_ratio.
16885 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16886 (x86_expand_strlensi_1): Rewrite the main loop.
16888 2000-01-17 Richard Henderson <rth@cygnus.com>
16890 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16891 * cse.c (find_comparison_args, fold_rtx): Likewise.
16892 * integrate.c (subst_constants): Likewise.
16893 * loop.c (get_condition): Likewise.
16895 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16897 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16899 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16901 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16902 (RESTORE_WARN_FLAGS): Unpack it.
16903 Change semantic type of extension to ttype.
16904 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16905 * c-parse.y, c-parse.c, objc/objc-parse.y,
16906 objc/objc-parse.c: Regenerate.
16908 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16910 * fixinc/fixlib.c: Add copyright notice.
16911 (compile_re): New function.
16912 * fixinc/fixlib.h: Prototype compile_re.
16914 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16915 Use compile_re to compile regular expressions.
16917 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16918 where the pattern matched.
16920 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16922 (ultrix_ansi_compat): Likewise.
16923 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16925 (interactv_add2, interactv_add3): Delete.
16926 (x11_sprintf): Don't use filename glob.
16927 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16930 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16932 * print-rtl.c: PROTO -> PARAMS.
16933 * real.c: Likewise.
16934 * reg-stack.c: Likewise.
16935 * resource.c: Likewise.
16936 * sdbout.h: Likewise.
16937 * simplify-rtx.c: Likewise.
16938 * stor-layout.c: Likewise.
16939 * stupid.c: Likewise.
16940 * xcoffout.c: Likewise.
16941 * xcoffout.h: Likewise.
16943 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16945 * toplev.c: PROTO -> PARAMS.
16946 * toplev.h: Likewise.
16947 * tree.c: Likewise.
16948 * tree.h: Likewise.
16949 * unroll.c: Likewise.
16950 * varasm.c: Likewise.
16951 * varray.c: Likewise.
16952 * varray.h: Likewise.
16954 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16956 * reload.c: PROTO -> PARAMS.
16957 * reload.h: Likewise.
16958 * reload1.c: Likewise.
16959 * reorg.c: Likewise.
16960 * resource.h: Likewise.
16963 * rtlanal.c: Likewise.
16964 * sbitmap.h: Likewise.
16965 * sdbout.c: Likewise.
16966 * stack.h: Likewise.
16967 * stmt.c: Likewise.
16968 * system.h: Likewise.
16970 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16972 * machmode.h: PROTO -> PARAMS.
16973 * mbchar.h: Likewise.
16974 * mips-tdump.c: Likewise.
16975 * mips-tfile.c: Likewise.
16976 * optabs.c: Likewise.
16977 * output.h: Likewise.
16978 * prefix.c: Likewise.
16979 * profile.c: Likewise.
16980 * protoize.c: Likewise.
16981 * real.h: Likewise.
16982 * recog.c: Likewise.
16983 * recog.h: Likewise.
16984 * regclass.c: Likewise.
16985 * regmove.c: Likewise.
16986 * regs.h: Likewise.
16988 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16990 * ggc-common.c: PROTO -> PARAMS.
16991 * ggc-page.c: Likewise.
16992 * ggc-simple.c: Likewise.
16994 * global.c: Likewise.
16995 * graph.c: Likewise.
16996 * gthr-win32.h: Likewise.
16997 * haifa-sched.c: Likewise.
16998 * halfpic.h: Likewise.
16999 * integrate.c: Likewise.
17000 * integrate.h: Likewise.
17001 * jump.c: Likewise.
17003 * local-alloc.c: Likewise.
17004 * loop.c: Likewise.
17005 * loop.h: Likewise.
17007 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17009 * genattr.c: PROTO -> PARAMS.
17010 * genattrtab.c: Likewise.
17011 * gencheck.c: Likewise.
17012 * gencodes.c: Likewise.
17013 * genconfig.c: Likewise.
17014 * genemit.c: Likewise.
17015 * genextract.c: Likewise.
17016 * genflags.c: Likewise.
17017 * gengenrtl.c: Likewise.
17018 * genopinit.c: Likewise.
17019 * genoutput.c: Likewise.
17020 * genpeep.c: Likewise.
17021 * genrecog.c: Likewise.
17023 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17025 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17027 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17029 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17030 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17031 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17032 * configure, config.in: Rebuilt.
17034 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17036 * config/i386/i386.md: Add peephole to merge successive stack
17039 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17041 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17042 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17043 when walking backwards to find all the parameter loads when
17044 the basic block ends in a call.
17046 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17048 * loop.c (this_loop_info): Delete.
17049 (uid_loop): Add in place of uid_loop_num. All uses updated.
17050 (loop_number_exit_count): Delete and replace with entry in loop
17051 structure. All uses updated.
17052 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17053 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17054 (loop_outer_loop): Likewise.
17055 (loop_invalid, loop_number_exit_labels): Likewise.
17056 (loop_used_count_register): Delete and replace with entry in
17057 loop_info structure.
17058 (find_and_verify_loops): Add loops argument.
17059 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17060 loop_end, etc. arguments with loop structure pointer. All callers
17062 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17063 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17064 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17065 (insert_bct): Likewise.
17066 (basic_induction_var): New argument level.
17067 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17068 vtop, and cont. Add used_count_register.
17069 (uid_loop): Delete declaration.
17070 (loop_number_exit_count): Likewise.
17071 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17072 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17073 (loop_outer_loop, loop_used_count_register): Likewise.
17074 (loop_invalid, loop_number_exit_labels): Likewise.
17075 (unroll_loop): Replace loop_start and loop_end arguments
17076 with loop structure pointer.
17077 (loop_precondition_p, loop_iterations): Likewise.
17078 Include basic-block.h.
17079 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17080 with loop structure pointer.
17081 (loop_precondition_p, loop_iterations): Likewise.
17082 * basic-block.h (struct loop): New entries vtop, cont,
17083 cont_dominator, start, end, top, scan_start, exit_labels,
17085 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17087 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17089 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17091 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17093 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17095 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17097 * pdp11-protos.h: New file.
17099 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17102 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17105 * pdp11.md: Likewise.
17107 * 2bsd.h: Likewise.
17109 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17111 * mn10300-protos.h: New file.
17113 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17116 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17119 * mn10300.md: Likewise.
17121 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17123 * mn10200-protos.h: New file.
17125 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17128 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17131 * mn10200.md: Likewise.
17133 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17135 * h8300-protos.h: New file.
17137 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17140 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17143 * h8300.md: Likewise.
17145 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17147 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17148 (asm_emit_uninitialised): Likewise.
17150 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17152 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17153 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17155 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17157 * config/mips/mips.c (override_options): Don't turn on extra
17158 alignment for mips16.
17160 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17162 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17163 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17166 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17168 * builtins.c (PAD_VARARGS_DOWN): Define.
17169 (std_expand_builtin_va_arg): Use the above macro.
17170 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17171 * tm.texi (Register Arguments): Document the above macro.
17173 2000-01-14 Nick Clifton <nickc@cygnus.com>
17175 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17176 that this function has not been used to emit a jump
17179 * jump.c (return_jump_1): Cope with being passed a null rtx.
17181 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17183 * eh-common.h: PROTO -> PARAMS.
17184 * emit-rtl.c: Likewise.
17185 * errors.c: Likewise.
17186 * errors.h: Likewise.
17187 * except.c: Likewise.
17188 * except.h: Likewise.
17189 * explow.c: Likewise.
17190 * expmed.c: Likewise.
17191 * expr.c: Likewise.
17192 * expr.h: Likewise.
17193 * final.c: Likewise.
17194 * fix-header.c: Likewise.
17195 * flow.c: Likewise.
17196 * fold-const.c: Likewise.
17197 * function.c: Likewise.
17198 * function.h: Likewise.
17200 * gcov-io.h: Likewise.
17201 * gcov.c: Likewise.
17202 * gcse.c: Likewise.
17204 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17206 * sh-protos.h: New file.
17208 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17209 Add static prototypes. Fix compile time warnings.
17211 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17215 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17217 * arc-protos.h: New file.
17219 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17222 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17225 * arc.md: Likewise.
17227 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17229 * dsp16xx-protos.h: New file.
17231 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17234 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17237 * dsp16xx.md: Likewise.
17239 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17241 * convex-protos.h: New file.
17243 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17246 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17249 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17251 * elxsi-protos.h: New file.
17253 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17256 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17259 * elxsi.md: Likewise.
17261 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17263 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17264 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17265 match the comment for MIPS16.
17267 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17269 * flow.c (split_edge): Do not call set_block_for_insn if we
17270 do not have a basic_block_for_insn structure.
17272 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17273 and destination functions are 32bit aligned within the trampoline.
17274 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17275 (TRAMPOLINE_ALIGNMENT): Define.
17277 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17278 (set (pc) (label_ref)), verify the change creates a valid insn.
17280 * fr30.c (call_operand): Tighten and rework to match rules for
17281 call RTL expressions.
17282 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17283 * fr30.md (call patterns): Improve constraints.
17285 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17287 * fr30.c (fr30_expand_epilogue): Revert last change.
17288 Use emit_jump_insn for the return insn.
17290 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17291 Stan Cox <scox@cygnus.com>
17293 * predict.c: New file. Preliminary infrastructure work for static
17294 branch prediction and basic block reordering.
17295 * basic-block.h: Add prototype for estimate_probability.
17296 * Makefile.in: Add rules for predict.o.
17298 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17300 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17301 * fixinc/*: Likewise.
17303 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17305 * cccp.c: PROTO -> PARAMS.
17306 * cexp.y: Likewise.
17307 * collect2.c: Likewise.
17308 * combine.c: Likewise.
17309 * convert.h: Likewise.
17311 * dbxout.c: Likewise.
17312 * dbxout.h: Likewise.
17313 * diagnostic.c: Likewise.
17314 * doprint.c: Likewise.
17315 * dwarf2out.c: Likewise.
17316 * dwarf2out.h: Likewise.
17317 * dwarfout.c: Likewise.
17318 * dwarfout.h: Likewise.
17319 * dyn-string.h: Likewise.
17321 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17323 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17324 macro conditionals guarding use.
17326 * dwarf2out.c: Include "tm_p.h".
17328 * function.c (locate_and_pad_parm): Mark parameter with
17330 (expand_function_end): Likewise for variable `context'.
17332 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17334 2000-01-13 Nick Clifton <nickc@cygnus.com>
17336 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17337 register to prevent compile time warnings.
17339 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17341 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17342 to avoid -Wtraditional warning.
17344 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17346 * 1750a-protos.h: New file.
17348 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17351 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17354 * 1750a.md: Likewise.
17356 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17358 * a29k-protos.h: New file.
17360 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17363 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17366 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17368 * clipper-protos.h: New file.
17370 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17373 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17376 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17378 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17380 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17382 * configure.in (--enable-new-gxx-abi): New option.
17383 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17384 * Makefile.in (GXX_ABI_FLAG): New variable.
17385 * configure: Regenerate.
17387 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17389 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17390 * tm.texi (FORCE_STRUCT_BLK): Document.
17391 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17393 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17395 * config/ns32k/ns32k.md: Revert Jan 9 change.
17397 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17398 to a mode-test, if the predicate is address_operand.
17400 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17402 * combine.c (if_then_else_cond): Be careful about what kinds
17403 of RTL expressions are passed to operand_subword.
17405 * flow.c (split_edge): If we have to insert a new jump, make
17406 sure to associate it with a basic block.
17408 * flow.c (commit_one_edge_insertion): A block with one successor
17409 can end in a JUMP_INSN that is not a simplejump.
17411 2000-01-12 Robert Lipe <robertl@sco.com>
17413 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17414 (BUILD_VA_LIST_TYPE): Define.
17415 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17418 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17420 * cccp.c (do_pragma): Add cast to (char *).
17422 2000-01-12 Richard Henderson <rth@cygnus.com>
17423 Fred Fish <fnf@be.com>
17424 Jason Merrill <jason@cygnus.com>
17426 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17427 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17428 * i386/beos-elf.h, i386/beos-pe.h: New files.
17430 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17431 * cross-make (SYSTEM_HEADER_DIR): Define using
17432 CROSS_SYSTEM_HEADER_DIR.
17434 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17435 (process_command): Use it.
17436 (main): Likewise. Kill trailing = from env vars.
17437 (build_search_list): Put it back.
17438 * collect2.c (main): Use LIBRARY_PATH_ENV.
17440 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17441 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17443 * tm.texi (Frame Layout): Document SMALL_STACK.
17444 * c-common.c (c_common_nodes_and_builtins): Check it.
17446 * system.h: Undef alloca after including glibc's <stdlib.h>,
17447 if USE_C_ALLOCA is defined.
17449 * gcc.c (set_input): New fn.
17450 (main): After all input files are compiled, reset the input file
17453 * aclocal.m4 (rindex, index): If already defined, don't attempt
17456 * ginclude/varargs.h: (__va_list__): Define ifndef.
17457 * ginclude/stdarg.h: Likewise.
17459 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17460 instead of unsigned char.
17462 * hash.h (true, false, boolean): Undef before enum.
17464 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17465 proper type of "HOST_WIDE_INT *", rather than their natural type of
17466 "unsigned HOST_WIDE_INT *".
17468 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17470 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17472 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17474 * regclass.c (choose_hard_reg_mode): Likewise.
17476 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17478 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17480 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17482 * c-common.c: PROTO -> PARAMS.
17483 * c-common.h: Likewise.
17484 * c-decl.c: Likewise.
17485 * c-iterate.c: Likewise.
17486 * c-lang.c: Likewise.
17487 * c-lex.c: Likewise.
17488 * c-lex.h: Likewise.
17489 * c-parse.in: Likewise.
17490 * c-pragma.c: Likewise.
17491 * c-pragma.h: Likewise.
17492 * c-tree.h: Likewise.
17493 * c-typeck.c: Likewise.
17494 * objc/objc-act.c: Likewise.
17495 * objc/objc-act.h: Likewise.
17497 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17499 * m88k-protos.h: New file.
17501 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17504 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17506 * m88k.md: Likewise.
17508 * tekXD88.h: Likewise.
17510 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17512 * m68k-protos.h: New file.
17514 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17517 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17519 * mot3300.h: Likewise.
17521 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17523 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17525 (extract_bitlist): Declare bitlen.
17527 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17529 * cccp.c: Accept and ignore -lang-fortran.
17531 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17532 qualifiers don't match at any level of pointerness.
17534 2000-01-12 Robert Lipe <robertl@sco.com>
17536 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17538 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17540 * reload1.c (reload_reg_unavailable): New static variable.
17541 (reload_reg_free_p): Test it.
17542 (reload_reg_free_for_value_p): Test it instead of
17544 (choose_reload_regs_init): Compute it.
17546 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17548 * reorg.c (fill_slots_from_thread): Check modified_in_p
17551 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17553 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17554 these nodes even if INTERNALS is not set.
17556 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17558 * gcse.c (delete_null_pointer_checks_1): Cope when
17559 get_condition cannot determine the condition.
17561 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17563 * toplev.h (set_message_length): Declare.
17565 * diagnostic.c (obstack_chunk_alloc): Define macro.
17566 (obstack_chunk_free): Likewise.
17567 (struct output_buffer): New data structure.
17568 (vmessage): Remove.
17569 (output_maximum_width): New variable.
17570 (doing_line_wrapping, set_message_length, init_output_buffer,
17571 get_output_prefix, output_space_left, emit_output_prefix,
17572 output_newline, output_append, output_puts, dump_output,
17573 vbuild_message_string, build_message_string, build_location_prefix,
17574 voutput_notice, output_printf, line_wrapper_printf,
17575 vline_wrapper_message_with_location): New functions. Implement
17576 automatic line wrapping.
17577 (v_message_with_decl): Make it handle automatic line wrapping.
17578 (v_error_with_file_and_line): Likewise.
17579 (v_warning_with_file_and_line): Likewise.
17580 (announce_function): Likewise.
17581 (default_print_error_function): Likewise.
17583 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17585 * cpplib.h (struct cpp_options): Change lang_asm to char.
17587 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17588 done in cpp_handle_option now.
17589 (initialize_builtins): Take out special case code used only by
17591 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17592 if -traditional. Recognize -lang-fortran and set
17593 lang_fortran, also turn off cplusplus_comments.
17594 (print_help): Document -lang-fortran.
17595 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17596 lang_asm. Ignore all directives other than `# 123 "file"' if
17598 (cpp_get_token): If -traditional, don't recognize directives
17599 unless the # is in column 1.
17600 (parse_string): If lang_fortran or lang_asm, silently
17601 terminate strings ('' or "") at end of line.
17602 Remove unnecessary braces.
17604 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17605 Richard Henderson <rth@cygnus.com>
17607 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17609 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17610 strict_low_part when possible.
17612 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17614 * alias.c: PROTO -> PARAMS.
17615 * basic-block.h: Likewise.
17616 * bitmap.c: Likewise.
17617 * bitmap.h: Likewise.
17618 * builtins.c: Likewise.
17619 * c-aux-info.c: Likewise.
17620 * caller-save.c: Likewise.
17621 * calls.c: Likewise.
17623 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17625 * Makefile.in (toplev.o): Depend on regs.h.
17627 * output.h (tdesc_section): Prototype.
17629 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17631 * sdbout.c: Include "tm_p.h".
17633 * toplev.c: Include "regs.h".
17635 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17637 * unroll.c (unroll_loop): Add EH support.
17639 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17641 * pa-protos.h: New file.
17643 * pa.c: Include recog.h and tm_p.h.
17644 (compute_zdepwi_operands, compute_movstrsi_length,
17645 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17646 find_addr_reg, import_milli): Add static prototypes.
17647 (pa_cpu_string, pa_arch_string): Constify a char*.
17648 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17649 (read_only_operand): Add argument `mode'.
17650 (singlemove_string, output_move_double, output_fp_move_double,
17651 output_block_move, output_and, output_ior, output_ascii,
17652 remove_useless_addtr_insns, milli_names, output_mul_insn,
17653 output_div_insn, output_mod_insn, output_arg_descriptor,
17654 output_cbranch, output_bb, output_bvb, output_dbra, ,
17655 output_millicode_call, output_call, hppa_encode_label,
17656 output_parallel_movb, output_parallel_addb): Constify a char*.
17657 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17658 (output_parallel_addb): Remove extra arg to `constrain_operands'
17660 * pa.h: Move all prototypes to pa-protos.h.
17661 (pa_cpu_string, pa_arch_string): Constify a char*.
17662 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17664 * pa.md: Call `function_label_operand' with mode argument.
17665 Likewise for `read_only_operand'.
17666 Fix nesting of parens in call to `symbolic_operand'.
17668 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17670 * i860-protos.h: New file.
17672 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17675 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17677 * i860.md: Likewise.
17679 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17681 * i386.md (movstrsi expander): Rewrite.
17682 (movstrsi_1 insn): Deleted.
17683 (strmovhi, strmovqi expander): New expanders.
17684 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17685 * i386.c (x86_single_stringop): New global variable.
17686 * i386.h (x86_single_stringop): Declare.
17687 (TARGET_SINGLE_STRINGOP): New macro.
17689 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17691 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17692 integer vararg POSTINCREMENT before the destination of the jump
17693 for the hard fp case.
17694 (function_arg_pass_by_reference): Pass a copy of CUM to
17697 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17698 for CONSTANT_ADDRESS_P above while loop for subreg.
17700 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17702 * flow.c (propagate_block): When a prologue/epilogue insn
17703 is marked dead, unconditionally clear libcall_is_dead and
17704 insn_is_dead, and only dump rtl if warnings aren't being
17707 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17709 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17710 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17711 (FIXED_REGISTERS): Set dirflag as fixed.
17712 (CALL_USED_REGISTERS): Set dirflag as used.
17713 (REG_ALLOC_ORDER): Set dirflag as last one.
17714 (DIRFLAG_REG): New macro.
17715 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17716 (HI_REGISTER_NAMES): Add dirflag.
17717 (DEBUF_PRINT_REG): Handle dirflag.
17718 * i386.md (type attribute): New cld and str types.
17719 (length_opcode attribute): Set cld and str to 1.
17720 (memory attribute): Set str to unknown - it is not clear from the
17722 (pent_np function unit): Prefixed string operations takes 12 cycles
17723 minimally; cld takes 2 cycles.
17724 (ppro_uops attribute): Str is "many" and cld is "few".
17725 (ppro_p0 unit): Handle cld here.
17726 (k6_alux unit): Handle cld and str types.
17727 (k6_load unit): It is ocupied by str opcodes.
17728 (k6_store unit): It is ocupied by str opcodes.
17729 (athlon_decode): Str is vector decoded.
17730 (athlon_ieu): Handle str and cld.
17731 (cld pattern): New.
17732 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17733 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17734 cmpstrsi_nz_1 insn): Do not output cld instruction
17736 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17738 * gcc.texi (G++ and GCC): Add Java and Chill.
17739 (Bug Critera): Don't list languages.
17741 * gcc.texi (Incompatibilities): No longer claim most C compilers
17744 * gcc.texi (G++ and GCC): Update other front-ends list.
17746 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17748 * i386.c (ix86_expand_setcc): Fix typo.
17749 (ix86_expand_movcc): Similarly.
17751 * Band-aid until haifa's bitset implementation is nuked.
17752 * haifa-sched.c (extract_bitlst): New parameter for size of the
17753 bitset in bits. All callers changed. Avoid looking at undefined
17754 bits in the bitset.
17755 (edgeset_bitsize): New variable.
17756 (schedule_region): Initialize edgeset_bitsize.
17758 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17760 * Makefile.in (optabs.o): Depend on real.h
17761 (resource.o): Depend on insn-attr.h
17763 * builtins.c (result_vector): Wrap prototype in macro conditions
17764 governing definition and use.
17766 * c-common.c: Include tm_p.h.
17768 * c-lex.c: Likewise.
17770 * elfos.h: Constify a char*.
17772 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17773 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17774 parameter with ATTRIBUTE_UNUSED.
17776 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17779 * haifa-sched.c (schedule_insns): Mark parameter with
17782 * optabs.c: Include real.h.
17784 * real.h (ereal_atof): Add prototype arguments.
17786 * resource.c: Include insn-attr.h.
17788 * sdbout.c (sdbout_queue_anonymous_type,
17789 sdbout_dequeue_anonymous_types): Wrap in macro
17790 SDB_ALLOW_FORWARD_REFERENCES.
17791 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17794 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17796 * stupid.c: Include tm_p.h.
17798 * tree.c (real_value_from_int_cst): Mark parameter with
17801 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17803 * i960-protos.h: New file.
17805 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17808 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17810 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17812 * combine.c (expand_field_assignment): Do not discard SUBREGs
17813 while computing nonzero_bits.
17815 2000-01-09 Nick Clifton <nickc@cygnus.com>
17817 * config/arm/arm.c: Fix compile time warnings about signed vs
17818 unsigned constants.
17819 * config/arm/arm.h: Fix compile time warnings about signed vs
17820 unsigned constants.
17822 2000-01-09 Philip Blundell <philb@gnu.org>
17824 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17825 than `ldm' with only one register.
17826 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17829 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17832 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17834 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17837 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17839 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17840 assignment used as truth value.
17842 * function.c (assign_temp): Mark parameter `dont_promote' with
17843 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17844 PROMOTE_FOR_CALL_ONLY.
17846 * genrecog.c (write_subroutine): Mark variable `operands' with
17849 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17852 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17853 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17855 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17858 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17860 * config/c4x.h: Tidy up comments.
17861 * config/c4x.c: Likewise.
17863 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17865 * fold-const.c (lshift_double, rshift_double): Handle
17866 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17868 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17870 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17871 in prepare_function_start().
17873 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17875 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17876 longer allocate extra stack for function calls.
17878 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17880 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17882 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17884 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17886 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17888 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17889 * aix43.h: Revert Aug 2 change.
17890 (HAS_INIT_SECTION): Define, not visible yet.
17891 (LD_INIT_SWITCH): Define, not visible yet.
17892 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17894 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17896 * collect2.c (main): Expand ld2 size further.
17897 (export_object_lst): Cast assignment to avoid warning.
17898 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17899 (scan_prog_file, COFF): Do not collect initialization or
17900 finalization functions generated for entire shared object if
17901 init/fini support present.
17903 2000-01-07 Nick Clifton <nickc@cygnus.com>
17905 * config/elfos.h: Tidy up formatting of marcos. Make sure
17906 that .section directives are always prefixed by a tab.
17908 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17911 2000-01-07 Matt Austern <austern@sgi.com>
17913 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17916 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17918 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17920 (crtbegin.o, s-crtS): Likewise.
17922 2000-01-06 Richard Henderson <rth@cygnus.com>
17924 * alpha.md (adddi_2+1): Limit offset such that it will be
17925 loadable with a single ldah+lda pair.
17926 (adddi_2+2): Explicitly fail split if we can't make it work.
17928 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17930 * protoize.c: Conditionally include unistd.h.
17931 (IS_SAME_PATH_CHAR): New macro.
17932 (IS_SAME_PATH): New macro.
17933 (CPLUS_FILE_SUFFIX): New macro.
17934 (cplus_suffix): New static variable.
17935 (is_abspath): New static function.
17936 (in_system_include_dir): Handle DOS style pathnames.
17937 (file_could_be_converted): Likewise.
17938 (file_normally_convertible): Likewise.
17939 (directory_specified_p): Likewise.
17940 (file_excluded_p): Likewise.
17941 (abspath): Likewise.
17942 (shortpath): Likewise.
17943 (referenced_file_is_newer): Likewise.
17944 (save_def_or_dec): Likewise.
17945 (do_processing): Likewise.
17947 (edit_file): Likewise. Use rename instead of link.
17948 (rename_c_file): Likewise. Don't rename syscalls file.
17949 (munge_compile_params): Define null device for DOS based systems.
17950 (process_aux_info_file): Use binary mode if appliable.
17951 (edit_file): Likewise.
17952 * invoke.texi (Running Protoize): Document C++ suffixes used.
17954 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17955 IS_DIR_SEPARATOR macros.
17956 * collect2.c: Likewise.
17957 * cppinit.c: Likewise.
17958 * dwarf2out.c: Likewise.
17960 * gcov.c: Likewise.
17961 * prefix.c: Likewise.
17963 * toplev.c: Likewise.
17964 * system.h: And move to here.
17966 * prefix.c (update_path): Fix typo in variable name.
17968 2000-01-06 Richard Henderson <rth@cygnus.com>
17970 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17971 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17972 (count_reg_sets_1, count_reg_references): Likewise.
17973 (flow_loops_level_compute): Start counting actual loop depth at 1.
17974 (flow_loops_find): Likewise.
17975 * local-alloc.c (update_equiv_regs): Likewise.
17976 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17978 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17980 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17981 FIRST_PSEUDO_REGISTER
17982 * dwarf2out.c: Don't include frame.h
17983 * dwarfout.c: Likewise
17984 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17987 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17989 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17992 * i386.c (movsf splitter): Fix typo in my last checkin.
17994 2000-01-05 Nick Clifton <nickc@cygnus.com>
17996 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17997 own definition of this macro.
17998 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17999 flag_data_sections or UNIQUE_SECTION_P are true.
18001 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18002 unitialised data decls.
18004 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18005 being called for uninitialised data.
18007 * config/i386/interix.c (i386_pe_unique_section): Cope with
18008 being called for uninitialised data.
18010 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18011 for uninitialised data.
18013 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18014 for uninitialised data.
18016 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18017 for uninitialised data.
18019 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18020 (UNIQUE_SECTION_P): Always generate a unique section if
18021 flag_data_sections is true.
18022 (UNIQUE_SECTION): Also generate unique sections for
18023 uninitialised data.
18024 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18025 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18028 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18030 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18033 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18035 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18036 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18037 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18038 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18039 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18041 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18043 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18045 * c-decl.c (finish_enum): Simplify code to determine minimum and
18046 maximum values of the enum, and calculate the type. Remove check
18047 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18048 the DECL_INITIAL of each enumeration constant with a copy converted
18049 to the enumeration type. When updating variant types, don't bother
18050 updating the type itself.
18052 * c-typeck.c (build_binary_op): Simplify conditional expressions
18053 when weeding out spurious signed-unsigned warnings. Add new
18054 spurious warning category: if the unsigned quantity is an enum
18055 and its maximum value fits in signed_type(result_type). Update
18057 (build_conditional_expr): Warn here if one alternative is signed
18058 and the other is unsigned.
18060 2000-01-05 Nick Clifton <nickc@cygnus.com>
18062 * config/fr30/fr30.h: Remove extraneous comments.
18064 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18066 * reload1.c (choose_reload_regs): When disabling a reload, also
18067 set reload_spill_index to -1.
18069 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18071 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18073 (m68*-*-rtemself*): New target.
18074 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18075 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18076 (sparc*-*-rtemself*): New target.
18077 (sparc*-*-rtems*): Now elf not a.out.
18078 * config/i386/rtems.h: Include config/rtems.h.
18079 * config/i386/rtemself.h: Include config/rtems.h.
18080 * config/i960/rtems.h: Include config/rtems.h.
18081 * config/m68k/rtems.h: Include config/rtems.h.
18082 * config/m68k/rtemself.h: Include config/rtems.h.
18083 * config/mips/rtems64.h: Include config/rtems.h.
18084 * config/pa/rtems.h: Include config/rtems.h.
18085 * config/rs6000/rtems.h: Include config/rtems.h.
18086 * config/sh/rtems.h: Include config/rtems.h.
18087 * config/sh/rtemself.h: Include config/rtems.h.
18088 * config/sparc/rtems.h: Include config/rtems.h.
18089 * config/sparc/rtemself.h: Include config/rtems.h
18091 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18093 * final.c (shorten_branches): Correctly compute length of
18094 asms without operands.
18096 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18098 * configure.in: Add pj target.
18099 * configure: Regenerate.
18100 * config/pj: New directory.
18101 * config/pj/lib1funcs.S: New file.
18102 * config/pj/linux.h: New file.
18103 * config/pj/pj.c: New file.
18104 * config/pj/pj.md: New file.
18105 * config/pj/pjl.h: New file.
18106 * config/pj/t-pj: New file.
18107 * config/pj/xm-pj.h: New file
18109 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18111 * toplev.c (rest_of_compilation): Run shorten-branches before
18114 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18116 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18117 macros so that they're consistent with their names.
18118 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18119 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18121 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18123 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18124 modified inadvertently.
18126 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18128 * configure.in (v850*-*-rtems*): New target.
18129 * configure: Regenerate.
18130 * config/v850/rtems.h: New file.
18132 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18134 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18135 (__gthread_key_create): Likewise.
18136 (__gthread_key_dtor): Likewise.
18137 (__gthread_once): Fix logic.
18138 (__gthread_key_delete): Cast away constness.
18140 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18141 * invoke.texi: Document.
18142 * i386/mingw32.h (CPP_SPEC): Use.
18143 (LIBGCC_SPEC): Likewise.
18144 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18146 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18148 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18149 (HANDLE_PRAGMA_PACK): Undefine.
18150 (SLOW_UNALIGNED_ACCESS): Define.
18152 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18154 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18155 to default definition.
18156 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18157 (store_fixed_bit_field): Call macro with word_mode and alignment.
18158 (extract_bit_field): Call macro with relevant mode and alignment.
18159 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18160 to default definition.
18161 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18163 (move_by_pieces_ninsns): Likewise.
18164 (clear_by_pieces): Likewise.
18165 (emit_push_insn): Likewise.
18166 (store_field): Call macro with relevant mode and alignment.
18167 (expand_expr): Likewise.
18168 (expand_expr_unaligned): Likewise.
18170 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18171 (SLOW_UNALIGNED_ACCESS): Define.
18172 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18173 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18174 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18175 (toc_section): Likewise and .toc pseudo-op.
18176 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18178 (TEXT_SECTION_ASM_OP): Likewise.
18179 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18182 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18183 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18184 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18185 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18186 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18188 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18190 * regclass.c: Revert my Jan 4 change to loop cost computation.
18192 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18194 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18197 2000-01-04 Stan Cox <scox@cygnus.com>
18199 * haifa-sched.c (build_control_flow): Change unreachable simple
18200 loop test to check if current block has only one predecessor.
18201 (find_rgns): Initialize degree. Use dest as degree index, not src.
18203 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18205 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18207 * calls.c (expand_call): Likewise for
18208 `old_stack_arg_under_construction'.
18210 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18212 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18215 * gcc.c (execute): Likewise for `ut' and `st'.
18217 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18219 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18221 * jump.c (jump_optimize_1): Likewise for `temp2'.
18223 * local-alloc.c (block_alloc): Likewise for `r1'.
18225 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18227 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18228 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18230 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18233 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18234 and `goal_earlyclobber'.
18236 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18238 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18240 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18242 * unroll.c (copy_loop_body): Likewise for `copy'.
18244 * varasm.c (output_constructor): Likewise for `byte'.
18246 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18248 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18249 all FP constants for constant->reg moves.
18250 (ix86_split_to_parts): Try to convert memory address into immediate
18251 when available in the constant pool.
18252 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18254 (LEGITIMATE_CONSTANT_P): Return 1.
18255 * i386.md (pushsf): New splitter to convert constant pool memory
18256 reference to immediate.
18257 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18260 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18262 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18263 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18264 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18265 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18266 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18268 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18270 * ginclude/stdbool.h: Support compilation as C++.
18272 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18274 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18276 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18278 * regclass.c (regclass): Properly compute loop_cost. Adjust
18281 * regclass.c: Fix minor whitespace problems.
18283 2000-01-03 Anthony Green <green@cygnus.com>
18285 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18286 Restore the pic register if required.
18288 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18290 * c-common.c (format_char_info): Update comment.
18291 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18292 was recognized. Emit warning for formats new in ISO C99 only
18293 if flag_isoc9x is not set.
18295 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18297 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18299 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18301 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18302 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18303 (make_compound_operation): Choose cheaper alternative between
18304 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18306 * regclass.c (op_costs): Remove global variable.
18307 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18308 (record_operand_costs): Break out from ...
18309 (scan_one_insn): ... here.
18310 (dump_regclass): Make dumps nicer.
18311 (regclass): Dump preferrences choosed and changes done during passes.
18313 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18315 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18317 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18319 * config/sparc/sparc.c (gen_df_reg): New function.
18320 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18321 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18322 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18323 movtf_cc_reg_sp64+1): Use it.
18325 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18327 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18328 copied LABEL_DECLs.
18330 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18332 * config/i386/i386.c (ix86_expand_unary_operator): Function
18333 definition made void.
18334 (ix86_expand_binary_operator): Update outdated preceding comment.
18335 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18338 * config/i386/i386.c (override_options): Fix option-name typo.
18340 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18342 * system.h (CEIL): Define.
18343 * builtins.c (CEIL): Remove.
18344 * expmed.c (CEIL): Likewise.
18345 * expr.c (CEIL): Likewise.
18346 * stor-layout.c (CEIL): Likewise.
18348 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18350 * expr.c (store_constructor_field): Fix typo introduced with last
18353 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18355 * tree.h (BINFO_N_BASETYPES): New macro.
18357 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18359 * expmed.c (emit_store_flag): Prevent losing a pending stack
18360 adjust the same way we prevent losing queued increments.
18362 See ChangeLog.2 for earlier changes.