1 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
4 buffer, provided it is not NULL.
6 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
8 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
9 case of invalid volatile re-declaration.
11 2000-07-18 Jakub Jelinek <jakub@redhat.com>
13 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
14 (expand_call): Adjust caller.
16 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
18 * diagnostic.h (report_diagnostic): Change prototype.
20 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
21 diagnostic_for_decl): Change prototype.
22 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
23 error, warning, error_with_file_and_line,
24 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
25 Adjust call to report_diagnostic, diagnostic_for_decl.
26 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
27 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
29 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
30 varaible argument list.
32 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
34 * cpphash.c: Don't include hashtab.h. Most macro-handling code
36 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
37 dump_hash_helper): Delete.
38 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
39 cpp_forall_identifiers): New. Implement specialized version of
40 Vlad's expandable hash table.
41 (cpp_lookup): Use new functions.
42 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
44 * cppmacro.c: New file.
45 * cppinit.c (dump_macros_helper): New.
46 (cpp_finish): Iterate over the identifier table directly.
47 * cpplex.c (parse_name): Calculate the hash of the identifier
48 while we scan it. Use _cpp_lookup_with_hash when we can.
50 * cpphash.h: Update prototypes.
51 (xcnewvec, HASHSTEP): New helper macros.
52 * cpplib.h: Update prototypes.
53 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
54 (cppmacro.o): New rule.
55 (cpphash.o): Update deps.
57 * cppmain.c: Do not set pfile->printer if no_output is on.
59 2000-07-15 Neil Booth <neilb@earthling.net>
61 * cpplib.c: Change all directive-handler functions to return
63 * cpphash.h: Update typedefs.
65 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
67 * configure: Regenerate.
69 * extend.texi (Extended Asm): Mention that a memory clobber
70 does not count as a side-effect.
72 * unroll.c (copy_loop_body): Fix one instance of using host
73 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
76 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
78 2000-07-17 Richard Henderson <rth@cygnus.com>
80 * config/ia64/ia64.md (movdi): Split out load address code.
81 New post-reload splitter for symbolic operands.
82 (movdi_internal): Abort if we didn't split symbolic operands
84 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
85 (ia64_reorg): Split insns when not optimizing.
86 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
88 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
90 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
91 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
93 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
95 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
97 2000-07-17 Jason Merrill <jason@redhat.com>
99 * Makefile.in (clean): Remove libgcc directory.
101 * configure.in (-Wno-long-long check): Use higher-level macros.
103 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
105 * simplify-rtx.c (simplify_binary_operation): Recognize
106 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
107 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
108 a CONST_INT, it will always be zero.
110 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
112 * loop.c (check_dbra_loop) : Return if more than one condition is
113 present to control the loop.
115 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
117 * mips.c (mips_expand_prologue): Don't calculate the last argument
118 register unless we need it. When we are calculating this, make
119 sure FUNCTION_ARG is giving us a REG.
121 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
123 * flow.c (libcall_dead_p): Use single_set to verify the insn
124 has only one set and get for analysis.
125 (propagate_one_insn): Don't pass the PATTERN of the insn.
127 2000-07-17 Mark Klein <mklein@dis.com>
129 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
131 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
133 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
134 * configure.in (TARGET_GETGROUPS_T): Evaluate.
135 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
136 of second argument of getgroups.
137 * configure, config.in: Rebuilt.
139 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
141 * simplify-rtx.c (simplify_relational_operation): Two signed
142 values with equal high words are less/greater than each other if
143 their low words are less/greater when considered as unsigned.
145 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
147 * configure.in (vax-*-openbsd): Change to new style configuration,
148 add collect2/float_format information.
149 * configure: Rebuilt.
150 * config/vax/openbsd1.h: New.
151 * config/vax/openbsd.h: New.
152 * config/vax/t-openbsd: New.
154 2000-07-17 Chip Salzenberg <chip@valinux.com>
156 * c-common.c (shorten_compare): Quiet warnings about unsigned
157 comparisons with zero when they occur in a system header.
159 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
161 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
162 update to describe current practice.
164 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
166 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
167 references to C9X. Change references to -fstd and -flang-isoc9x
170 * c-common.c (scan_char_table): Allow "z" length modifiers on
172 (check_format_info): Use TYPE_DOMAIN on the type matched against
173 for "z" formats, to retrieve the language size_t rather than the
176 * c-common.c (check_format_info): Do not make a pedantic objection
177 to the 'L' length modifier if used with a floating point type
180 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
181 constants in C99 mode.
183 2000-07-17 Kazu Hirata <kazu@hxi.com>
185 * h8300.md: Fix the format of mac.
186 (movsi_h8300hs): Output a tab after stmac instead of a space.
188 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
189 profitable adds/subs sequences.
191 * fold-const.c: Fix comment typos.
193 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
195 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
197 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
199 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
201 2000-07-16 Neil Booth <NeilB@earthling.net>
203 * cpplex.c: Update comments.
204 * README.Portability: Small update.
206 2000-07-16 Neil Booth <NeilB@earthling.net>
208 * README.Portability: Small update.
210 2000-07-15 Richard Henderson <rth@cygnus.com>
212 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
213 * config/ia64/ia64.c (ia64_move_ok): New function.
214 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
215 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
217 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
219 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
220 immediately following a paste operator.
221 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
222 (cpp_reader_init): Call it, if HOST_EBCDIC.
223 (cpp_handle_options): Do not sort option list here.
224 (handle_option): Rename to cpp_handle_option and export.
225 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
226 _cpp_get_token directly.
227 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
228 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
229 * cpplib.h: Prototype cpp_handle_option. Update prototype of
232 2000-07-15 Richard Henderson <rth@cygnus.com>
234 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
235 cast around an expression. Tidy other unsigned tests.
237 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
239 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
240 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
241 (v_message_with_decl): Rename to ...
242 (format_with_decl): ... this. Tweak
243 (diagnostic_for_decl): New function.
244 (fatal_io_error): Use verbatim in lieu of notice.
245 (announce_function): Use verbatim.
246 (default_print_error_function): Likewise.
247 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
250 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * mips.c (function_arg_pass_by_reference): Don't do automatic
253 aggregate initialization.
254 (machine_dependent_reorg): Initialize variable `mode'.
256 * mips.md (absdi2): Change variable `regno1' to unsigned int.
257 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
258 conflicts with sys/param.h macro of the same name.
259 (reload_outdi): Likewise.
261 2000-07-15 Michael Meissner <meissner@redhat.com>
263 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
264 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
265 create a new node instead.
267 2000-07-15 Neil Booth <NeilB@earthling.net>
269 * README.Portability: Correct example about calling a function
270 through a pointer to function. Format wide paragraphs.
272 2000-07-15 Michael Meissner <meissner@redhat.com>
274 * README.Portability: Update integer suffixes and function
277 2000-07-15 Neil Booth <NeilB@earthling.net>
279 * README.Portability: Small update.
281 2000-07-15 Neil Booth <NeilB@earthling.net>
283 * README.Portability: New file.
285 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
287 * INSTALL: Give special instructions for building GCC on Irix 6.
288 * config/mips/x-iris6 (CC): Don't set it.
291 2000-07-14 Jason Merrill <jason@redhat.com>
293 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
294 register in the stack and later in another register, use the new
297 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
299 * config/mips/mips.md: (absdi2): Handle sign_extend for
302 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
304 * cpplib.c (do_pragma_dependency): Tidy warning messages.
306 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
308 * .cvsignore: Correct typo.
310 2000-07-13 Mark Mitchell <mark@codesourcery.com>
312 * .cvsignore: Add generated YACC files.
313 * objc/.cvsignore: New file.
315 2000-07-14 Neil Booth <NeilB@earthling.net>
317 * cpplex.c (adjust_column): New funcion.
318 (skip_whitespace): Use it.
319 (skip_block_comment): Use it, and warn about /*/* with
322 2000-07-14 Neil Booth <NeilB@earthling.net>
324 * cpphash.c (struct macro_info): Add new members.
325 (_cpp_free_definition): Delete the macro directly.
326 (count_params): Return void, with first token of
327 expansion in struct macro_info on success.
328 (parse_define): Return int. Hoist syntax checking from
329 save_macro_expansion. Leave call to save_expansion to
330 _cpp_create_definition.
331 (alloc_macro): Needs just 2 arguments.
332 (free_macro): Delete.
333 (save_expansion): Don't perform syntax check.
334 (_cpp_create_definition): Call save_expansion.
336 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
338 * genrecog.c (write_header): Split long string.
340 * cpphash.c (macro_info): Don't use the `signed' keyword.
342 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
344 2000-07-13 Jakub Jelinek <jakub@redhat.com>
346 * calls.c (stored_args_map): New variable.
347 (check_sibcall_argument_overlap_1): New.
348 (check_sibcall_argument_overlap): New.
349 (expand_call): Initialize stored_args_map.
350 Call check_sibcall_argument_overlap.
352 2000-07-13 Bruce Korb <bkorb@gnu.org>
354 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
355 (emit_gnu_type): utility procedure for gnu_type_fix
356 (gnu_type_fix): implement various pre-processor guards around
357 standard types so these types can be defined over and over
358 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
359 types alluded to above will have GNU-compliant base types
360 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
361 * fixinc/inclhack.def: add test_text entries and utilize the new
362 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
363 * fixinc/fixincl.x: regenerate
365 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
367 * diagnostic.c (vline_wrapper_message_with_location,
368 v_message_with_file_and_line, v_error_with_file_and_file,
369 v_error_for_asm, v_warning_for_asm, vfatal,
370 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
371 vsorry, verror, vwarning, vpedwarn): Remove.
372 (diagnostic_for_asm): New function.
373 (pedwarn, error, warning, pedwarn_with_file_and_line,
374 error_with_file_and_line, warning_with_file_and_line, sorry,
375 error_for_asm, warning_for_asm, fatal): Reimplement.
376 (finish_diagnostic): Clear diagnostic info as well.
378 2000-07-13 Neil Booth <NeilB@earthling.net>
380 * c-common.h (flag_digraphs): New.
381 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
382 * c-lex.c (yylex): Use flag_digraphs to decide whether to
385 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
387 * gcc.c (do_spec_1): Add new %B operator.
388 (set_input): Prepare for %B.
390 (link_command_spec): Move up with the other tm.h-
391 overrideable specs. Factor out the portion conditional on
392 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
393 (struct compiler): Just have a single spec string. All users
395 (default_compilers): Remove unnecessary braces.
396 (static_specs): Update.
398 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
400 (C and assembly specs): Use the new named specs, as appropriate.
402 * objc/lang-specs.h: Use the new named specs.
403 Remove unnecessary braces.
405 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
407 * gcc.c (execute): If a subprocess gets a fatal signal, report
408 strsignal() of the signal number, and ask for a bug report.
409 Do not do this for SIGPIPE if there's already been an error.
411 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
416 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
418 * final.c (profile_function): Do not emit profile counters in
419 the data section, if NO_PROFILE_COUNTERS is defined.
420 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
423 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
424 (FUNCTION_PROFILER): Just emit a call to mcount.
426 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
428 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
430 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
431 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
432 traditional, lang_chill, or lang_fortran.
434 * cppfiles.c: #undef strcmp to suppress warning about macros
435 used without arguments.
436 (_cpp_execute_include): Use f, not fname, in "No include path"
438 (_cpp_pop_file_buffer): New function.
439 * cpplib.c: Don't include <sys/mman.h>.
440 (cpp_push_buffer): Set line_base and lineno in new buffer.
441 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
443 * cpplex.c: Move all prototypes and structure declarations to the
444 top of the file. Properly parenthesise some macro arguments.
445 (cpp_scan_line): New function.
446 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
447 don't need to walk up the stack counting.
449 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * c-common.c (combine_strings): Emit a pedantic warning when a
452 string length is greater than the minimum ANSI C is required
455 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
457 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
458 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
460 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
462 * c-decl.c (define_label): Warn about identifier conflicts with
463 labels in traditional C.
465 * c-parse.in (unop +): Warn about the unary plus operator for
468 * c-typeck.c (store_init_value): Warn about automatic aggregate
469 initialization for traditional C.
471 * invoke.texi (-Wtraditional): Document new warnings.
473 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
475 * Makefile.in (c-errors.o): Fix thinko in dependency.
477 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
479 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
480 -traditional, -ftraditional, or -traditional-cpp was given.
481 Do not pass -traditional to the preprocessor.
482 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
483 preprocessor does it automatically.
484 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
486 * ch/lang-specs.h: Always use tradcpp. Do not pass
487 -traditional, -trigraphs, or -pedantic to the preprocessor.
488 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
491 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
493 * cppexp.c (LOGICAL): Delete macro.
494 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
497 * cpphash.c (HASHSIZE): Increase to 4096.
498 (struct hashdummy): Add hash field.
499 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
500 the string values using memcmp.
501 (cpp_lookup): Set dummy.hash.
503 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
505 * configure.in (m88k-openbsd): Express configuration using new fragment
507 * configure: Rebuilt.
508 * m88k/aout-dbx.h: New.
509 * m88k/openbsd.h: New.
510 * m88k/xm-openbsd.h: New.
512 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
514 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
516 2000-07-12 Richard Henderson <rth@cygnus.com>
518 * reload.c (push_secondary_reload): Make sure to add the new
519 reload at the end, after acquiring secondary memory.
521 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
523 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
525 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
526 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
528 * c-parse.in (stmt): Delete unused variables.
530 * convert.c (convert_to_vector): Likewise.
532 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
534 * tree.c (finish_vector_type): Prototype.
536 2000-07-12 Bruce Korb <bkorb@gnu.org>
538 * fixinc/fixfixes.c: use xmalloc
539 * fixinc/fixincl.c(initialize): set program name for xmalloc
540 * fixinc/fixlib.c(must_malloc): obsolete
541 (is_cxx_header): no longer used - disabled
542 (skip_quote): inserted and disabled for future use
543 * fixinc/fixlib.h: reflects above
544 * fixinc/fixtests.c: removed dinkleberries
546 2000-07-12 Neil Booth <NeilB@earthling.net>
548 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
549 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
551 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
552 struct toklist_dummy): New.
553 (cpp_free_definition): Free macros with free_macro.
554 (count_params): Don't save paramter spellings. Save macro
555 information in a struct macro_info.
556 (parse_define): Don't allocate a token list.
557 (save_expansion): Allocate the macro's token list, and
558 save parameter spellings if necessary. Use TOKEN_SPELL.
559 (cpp_create_definition): Make list const.
561 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
563 * c-typeck.c (pedwarn_c99): Move to
564 * c-errors.c: ... Here.
565 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
566 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
567 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
568 (c-errors.o): List dependency.
570 2000-07-12 Mark Mitchell <mark@codesourcery.com>
573 * c-parse.h: Likewise.
574 * c-parse.y: Likewise.
575 * objc/objc-parse.c: Likewise.
576 * objc/objc-pasre.y: Likewise.
578 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
580 * gcc.texi: Fix minor typos
581 * extend.texi: Fix minor typos
583 2000-07-11 Marc Espie <espie@openbsd.org>
585 * collect2.c (main): Recognize .lo as object files.
587 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
589 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
592 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
593 with MAP_ANONYMOUS and MAP_ANON.
594 * configure, config.in: Rebuilt.
596 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
598 * diagnostic.c (save_output_state): Remove.
599 (restore_output_state): Likewise.
600 (clear_text_info): New function.
601 (clear_diagnostic_info): Likewise.
602 (output_text_length, is_starting_newline, output_prefix,
603 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
604 prefixing_policy, output_buffer_ptr_to_format_args): New macros
605 (set_real_maximum_length, output_set_maximum_length,
606 output_set_prefix, output_get_prefix, output_set_maximum_length,
607 output_destroy_prefix, init_output_buffer,
608 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
609 output_add_newline, output_add_character, output_add_space,
610 output_append_r, output_append, wrap_text, output_format,
611 output_do_printf, output_printf, output_do_verbatim,
612 output_verbatim, verbatim): Use them.
613 (output_clear): Split into cleat_text_info and
614 clear_diagnostic_info.
615 (struct output_state): Move to...
617 * diagnostic.h: ...Here
618 (struct output_buffer): Adjust.
620 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
622 * cpplex.c (parse_name): No longer inline (premature optimization).
623 (do_pop_context): Fold into pop_context.
624 (pop_context): Returns int.
625 (lex_next): Hoist test for end of directive into pop_context.
626 (push_macro_context): Returns int; takes just reader and token.
627 Hoist test for excessive nesting to caller.
628 (push_arg_context): Returns void; takes just reader and token.
629 Do not call stringify_arg or get_raw_token.
630 (get_raw_token): Convert tail recursion through push_arg_context
631 to a loop at this level. Call stringify_arg here if appropriate.
632 (maybe_paste_with_next): Convert tail recursion to a while loop.
633 Hoist test of paste_level to caller.
635 (stringify_arg): Push arg context at beginning.
636 (cpp_get_token): Split out core into _cpp_get_token. Call
637 process_directive here. Throw away CPP_PLACEMARKER tokens.
638 (_cpp_get_token): Convert tail recursion through
639 push_macro_context to a loop at this level.
640 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
641 _cpp_get_raw_token): Use _cpp_get_token.
642 (_cpp_skip_rest_of_line): Drop the context stack directly; do
643 not call pop_context.
644 (_cpp_run_directive): Call lex_next directly.
646 * cpphash.h: Prototype _cpp_get_token.
647 * cppexp.c (lex): Use it.
648 * cpphash.c (parse_define): Use it.
649 * cpplib.c (get_define_node, do_undef, parse_include,
650 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
651 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
652 parse_ifdef, validate_else): Use it.
653 (cpp_push_buffer): Tweak error message; abort if anyone tries
654 to push a buffer while macro expansions are stacked.
656 2000-07-11 Donn Terry <donnte@microsoft.com>
658 * cpplex.c (free_macro_args, save_token): Cast arg of free
659 and/or xrealloc to PTR.
660 (_cpp_init_input_buffer): Clear all fields of the base context.
662 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
664 * gensupport.c (process_rtx): Make rtl checking stop
665 complaining about the define_insn while it is being
666 converted from a define_insn_and_split.
668 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
670 * config/mips/mips.c (simple_memory_operand): Access the
671 INTVAL of the address, not it's containing MEM.
673 2000-07-11 Bruce Korb <bkorb@gnu.org>
675 * fixinc/fixtests.c(double_slash): obsolete
676 (else_endif_label): likewise
677 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
678 (libc1_ifdefd_memx): correct initial comment
679 and omit the #if/#endif pair from the memxxx declarations
680 * fixinc/fixincl.x: regen
682 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
684 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
686 2000-07-11 Neil Booth <NeilB@earthling.net>
690 2000-07-11 Neil Booth <NeilB@earthling.net>
692 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
693 (handle_option): Set digraphs according to standard.
694 Merge OPT_lang_c89 handler with OPT_std_c89.
696 * cpplex.c: (lex_line, can_paste): Honour digraphs in
697 accordance with the digraphs flag.
699 * cpplib.h: (struct cpp_options): New option digraphs.
701 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
702 Bruce Korb <bkorb@gnu.org>
704 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
705 * fixinc/fixincl.x: Regenerate.
706 * fixinc/tests/base/testing.h: Add testcase.
708 2000-07-10 Richard Henderson <rth@cygnus.com>
710 * config/ia64/ia64.c (got_symbolic_operand): New.
711 (symbolic_operand, move_operand): Revert 0701 change.
712 * config/ia64/ia64.h (PREDICATE_CODES): Update.
713 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
714 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
715 split the offset into a 14-bit low part instead of a 13-bit low part.
716 (load_fptr): Mark the mem as unchanging.
717 (load_symptr): Use got_symbolic_operand.
719 2000-07-10 Nick Clifton <nickc@cygnus.com>
721 * libgcc2.c (next_stack_level): Cast result of computation to
722 (void **) so that the assignment does not generate a warning.
724 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
726 * flags.h : Add new variable flag_single_precision_constant.
727 * toplev.c (display_help) : Add -fsingle-precision-constant option.
728 (flag_single_precision_constant): New.
729 * c-lex.c (yylex): Convert floating point constant to single
731 * invoke.texi : Add documentation for this new option.
733 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
735 * diagnostic.c (output_octal): Second parameter is unsigned.
736 (output_long_octal): Likewise.
737 (output_hexadecimal): Likewise.
738 (output_long_hexadecimal): Likewise.
739 (output_format): Adjust arguments extraction. Tweak.
740 (output_verbatim, verbatim): End variable argument list.
741 (report_diagnostic): Improve documentation.
743 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
745 * c-common.h (build_stmt): Declare.
746 (build_continue_stmt): Likewise.
747 (build_break_stmt): Likewise.
748 (build_return_stmt): Likewise.
750 * c-decl.c (do_case): Rewrite to do what previously done in
753 * c-semantics.c (build_stmt): Define.
754 (build_return_stmt): Likewise.
755 (build_break_stmt): Likewise.
756 (build_continue_stmt): Likewise.
757 (build_case_label): Likewise.
759 * c-parse.in (BREAK): Change to build tree, then generate RTL.
760 (CONTINUE): Likewise.
765 * c-parse.y: Regenerate.
766 * c-pasre.c: Likewise.
768 2000-07-09 Jason Merrill <jason@redhat.com>
770 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
772 * tree.h (STRIP_NOPS): Check for error_mark_node.
773 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
774 (dwarf2out_*): Remove duplicate declarations.
776 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
777 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
779 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
781 * diagnostic.c (wrap_text): New function.
782 (maybe_wrap_text): Likewise.
783 (output_add_string): Use it.
784 (output_format): Likewise.
785 (count_error): Use verbatim instead of notice.
786 (report_error_function): Likewise. Don't use plain fprintf.
787 (finish_diagnostic): New function.
788 (output_do_verbatim): Tweak. Commonalize functionalities in
789 output_verbatim and verbatim.
790 (output_verbatim): Adjust.
791 (verbatim): Likewise.
792 (report_diagnostic): Define.
794 * diagnostic.h (report_diagnostic): Prototype.
796 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
798 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
800 2000-07-09 Neil Booth <NeilB@earthling.net>
802 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
803 IShspace, ISspace: Update.
805 * cppinit.c: ISTABLE: Update.
808 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
809 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
810 (skip_block_comment, skip_line_comment, parse_string,
811 lex_line): Use is_vspace rather than IS_NEWLINE.
812 (skip_whitespace, lex_line): Clean up to use is_nvspace.
813 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
815 (lex_next): Unconditionally stop if within a directive.
816 Treat directives within macro invocations as directives
817 (after parse_args emits error), not as the argument.
819 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
821 * diagnostic.c (diagnostic_args): New macro.
822 (diagnostic_msg): Likewise.
823 (output_formatted_integer): Likewise.
824 (output_state): New data type.
825 (digit_buffer): Make global.
826 (output_add_integer): Rename to output_decimal. Squeeze
828 (output_long_decimal, output_unsigned_decimal,
829 output_long_unsigned_decimal, output_octal, output_long_octal,
830 output_hexadecimal, output_long_hexadecimal): New functions.
831 (output_append_r): New function.
832 (output_append): Tweak.
833 (output_flush_on): Rename to output_to_stream.
834 (output_format): Change prototype. Improve documentation. Handle
835 more format specifiers.
836 (build_location_prefix): Rename to context_as_prefix.
837 (output_notice): Rename to output_do_printf.
838 (output_printf): Tweak.
839 (line_wrapper_printf): Likewise.
840 (vline_wrapper_message_with_location): Adjust call to renamed
842 (v_message_with_decl): Likewise.
843 (default_print_error_function): Likewise.
844 (save_output_state): New function.
845 (restore_output_state): Likewise.
846 (output_do_verbatim): Likewise.
847 (output_verbatim): Define.
848 (verbatim): Likewise.
850 * diagnostic.h (printer_fn): Change return type from void to int.
851 Improve documentation.
852 (output_add_integer): Rename to output_decimal.
853 (output_flush_on, output_format): Don't export.
854 (output_verbatim, verbatim): Declare.
856 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
858 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
859 Check whether c divides op1 exactly if operation is not
862 2000-07-08 Richard Henderson <rth@cygnus.com>
864 * final.c (final): Do not abort when reg-stack introduces
867 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
869 * cpplib.h (struct cpp_name): Now struct cpp_string.
870 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
871 CPP_HEADER_NAME): Change to type S.
872 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
873 field, a cpp_hashnode *. All references to val.name updated
874 to use val.str or val.node as appropriate.
875 (struct cpp_reader): Add spec_nodes field.
876 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
878 * cpphash.h (struct spec_nodes): New.
879 (enum spell_type): Reorder. Only SPELL_STRING tokens use
880 val.str. All references to 'spelling > SPELL_NONE' updated to
883 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
884 pfile->buffer->inc are not NULL before dereferencing them.
886 * cpplex.c (parse_name): Take a pointer to the current token,
887 plus current position and limit as args; return the new
888 position; don't copy the text of a name into the string
889 buffer, instead call cpp_lookup and store the node pointer.
890 If extending a token, copy out the text of the old into a
891 scratch buffer, append the new, look that up and store the new
892 node pointer. Inline.
893 (maybe_paste_with_next): If the result of paste is a NAME,
894 then look up the pasted text and store its node pointer.
895 (lex_line): Adjust for new parse_name interface.
896 Check for L"str", L'str' using spec_nodes->n_L.
897 (spell_token): SPELL_IDENT tokens have their spelling in
898 val.node->name. Handle SPELL_STRING tokens that don't have
900 (_cpp_expand_name_space,
901 (can_paste): Check for L ## "str" using spec_nodes->n_L.
902 (cpp_get_token, special_symbol): No need to call cpp_lookup.
903 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
904 return 1=equal 0=not, not a tristate.
906 * cpphash.c (var_args_str): Delete.
907 (find_param): Compare node fields directly.
908 (is__va_args__): Use CPP_PEDANTIC. Just compare
909 token->val.node with spec_nodes->n__VA_ARGS__.
910 (dump_funlike_macro): Don't use var_args_str.
912 * cpplib.c (_cpp_check_directive): Just walk through
913 spec_nodes->dirs comparing pointers.
914 (get_define_node, do_pragma_poison, detect_if_not_defined,
915 parse_ifdef): The identifier has already been looked up.
916 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
918 (do_if): Only call detect_if_not_defined at beginning of file.
919 (_cpp_parse_assertion): Only copy string pointers for
921 (pragma_dispatch): Take a node pointer and examine its name
923 (_cpp_init_stacks): Also initialize the spec_nodes structure.
925 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
927 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
928 reverse order from the corresponding _cpp_init_* routines.
930 * cppexp.c (parse_number, parse_charconst, parse_defined,
931 lex): Check val.node->type instead of calling cpp_defined.
932 Use spec_nodes entries where appropriate.
934 * fix-header.c, scan-decls.c: Update for interface changes.
936 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
938 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
939 emitting aux_truncdfsf2.
941 2000-07-03 Donn Terry (donnte@microsoft.com)
943 * cppinit.c (print_help): split overlong line into ISO C89
946 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
948 * cppexp.c: Update all code for new lexer interface.
949 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
950 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
951 * cpplex.c (token_names): Trim leading CPP_ from names; make
952 the strings unsigned.
953 (_cpp_spell_operator): New.
954 (is_macro_disabled): Disable all macros if rescanning
956 (_cpp_get_directive_token): Remove.
958 * cppinit.c: Don't set no_macro_expand.
959 * cpplib.c (read_line_number, do_line): Check only for EOF,
961 * cpphash.h: Update prototypes.
962 * cpplib.h (CPP_VSPACE): Remove.
963 (struct cpp_reader): Remove no_macro_expand.
965 2000-07-08 Neil Booth <NeilB@earthling.net>
967 * cpphash.c (is__va_args__): New function.
968 (count_params): Fix line reported in error messages. Use
969 is__va_args__. Don't return ')' on error. Flag GNU style
970 rest args macro definitions.
971 (parse_define): Check macro name is not __VA_ARGS__.
972 (save_expansion): Check identifier in non-varargs-macro is
973 not __VA_ARGS__. Don't flag GNU_VARARGS.
974 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
975 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
976 than per-token GNU_VARARGS.
977 * cpplib.h (GNU_VARARGS): Remove.
978 (GNU_REST_ARGS): New.
980 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
982 * i386.md (call_pop, call, call_value_pop): Do not set
983 current_function_uses_pic_offset_table for calls to static
984 functions or indirect calls.
986 2000-07-07 Jim Wilson <wilson@cygnus.com>
988 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
989 is_predicate_reg, then take max write_count of register pair.
991 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
993 * tradcpp.c (main): Rename label `include' to `add_include' to
994 avoid conflicts with variable `include' in traditional C.
996 2000-07-07 Jakub Jelinek <jakub@redhat.com>
998 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1000 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1002 * sibcall.c (uses_addressof): Add INMEM argument, check for
1003 current_function_internal_arg_pointer outside of MEM rtxs in addition
1005 (sequence_uses_addressof): Update caller.
1007 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1009 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1012 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1014 * system.h (UNION_INIT_ZERO): New macro for initializing union
1017 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1019 2000-07-07 Neil Booth <NeilB@earthling.net>
1023 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1025 * final.c (final): Detect out of bounds array access to
1026 the insn_lengths array.
1028 2000-07-07 Kazu Hirata <kazu@hxi.com>
1030 * fold-const.c (fold): Fix a comment typo.
1032 2000-07-07 Neil Booth <NeilB@earthling.net>
1034 * cpp.texi: Update to new lexer.
1036 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1038 * tradcpp.c: New file.
1039 * tradcif.y: New file.
1040 * tradcif.c: New generated file.
1042 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1043 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1044 dependencies of C. Install tradcpp from install-common, in
1047 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1049 * cppinit.c: Include cppdefault.h. Refer to
1050 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1051 to GCC_INCLUDE_DIR and its length.
1052 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1053 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1054 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1056 (include_defaults_array): Move to cppdefault.c.
1058 * cppdefault.h: New file.
1059 * cppdefault.c: New file.
1061 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1062 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1063 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1066 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1068 * reload.c (push_reload): When seeing if can reuse a register,
1069 check extra registers against widest of INMODE and OUTMODE.
1071 2000-07-06 Neil Booth <NeilB@earthling.net>
1073 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1074 based on full length of predicate.
1076 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1078 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1079 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1081 2000-07-05 Kazu Hirata <kazu@hxi.com>
1083 * h8300-proto.h: Fix formatting.
1084 * h8300.c: Likewise.
1085 * h8300.h: Likewise.
1087 2000-07-05 Jim Wilson <wilson@cygnus.com>
1089 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1092 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1094 * invoke.texi: Fix minor typos
1095 * md.texi: Fix minor typos
1097 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1099 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1101 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1103 * cpplex.c: Don't include sys/mman.h.
1104 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1106 * cpplib.c: Include sys/mman.h and obstack.h.
1107 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1109 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1110 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1111 bother freeing if stack entries (they will be freed with their buffer).
1112 (do_endif): Free if stack entries from the buffer obstack.
1113 (push_conditional): Allocate if stack entries from the buffer obstack.
1115 (find_answer): Rename to _cpp_find_answer.
1116 (do_assert, do_unassert): Update.
1118 * cpphash.h: Update prototypes.
1119 (xobnew): New convenience macro.
1120 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1122 (struct cpp_hashnode): Remove disabled field.
1124 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1125 (report_missing_guard): Moved to cppfiles.c.
1126 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1128 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1129 cpp_cleanup_includes. Don't destroy hashtab or
1130 all_include_files here.
1131 (cpp_finish): Use _cpp_report_missing_guards.
1133 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1134 (_cpp_init_include_table): Rename _cpp_init_includes.
1135 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1137 * cppexp.c (parse_assertion): Update for new name of
1140 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1142 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1144 * cpplib.c (do_ident): s/VSPACE/EOF/
1146 2000-07-05 Neil Booth <NeilB@earthling.net>
1148 * cpplex.c: Fix trigraph replacement within strings.
1150 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1154 * xcoffout.c (assign_type_number): Constify.
1155 (xcoffout_source_file): Add static prototype. Don't needlessly
1156 cast away const-ness.
1158 2000-07-04 Jason Merrill <jason@redhat.com>
1160 * frame.h (frame_state): Move base_offset to end.
1162 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1164 * calls.c (emit_library_call_value_1): Revert previous change.
1166 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1168 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1169 (recognized_extern, recognized_function, read_scan_file):
1170 Update for new scheme.
1171 (check_protection): It's still a multiple include guard even
1172 if it doesn't always trigger.
1173 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1175 * scan.h: Declare struct cpp_token. Update prototypes.
1177 2000-07-03 Neil Booth <neilb@earthling.net>
1178 Zack Weinberg <zack@wolery.cumb.org>
1180 Complete overhaul of the lexer and macro expander.
1182 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1183 arg, arglist, argdata, reflist, collect_objlike_expansion,
1184 collect_funlike_expansion, collect_params,
1185 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1186 unsafe_chars, macarg, compare_defs, special_symbol,
1187 scan_arguments, stringify, funlike_macroexpand,
1188 _cpp_quote_string, monthnames): Delete.
1189 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1190 _cpp_create_definition, _cpp_dump_definition,
1191 dump_hash_helper): Adjust.
1192 (find_param, count_params, parse_define, var_args_str,
1193 check_macro_redefinition, save_expansion): New.
1195 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1196 parse_string, output_line_command, trigraph_replace,
1197 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1198 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1199 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1200 _cpp_skip_rest_of_line): Modify.
1202 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1203 find_position, null_warning, bump_column, expand_name_space,
1204 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1205 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1206 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1207 _cpp_prescan): Delete.
1209 (dump_param_spelling, process_directive, lex_next,
1210 is_macro_disabled, stringify_arg, expand_context_stack,
1211 output_token, make_string_token, alloc_number_token,
1212 special_symbol, duplicate_token, maybe_paste_with_next,
1213 can_paste, prevent_macro_expansion, restore_macro_expansion,
1214 get_temp_token, release_temp_tokens, quote_string,
1215 token_names, token_spellings, _cpp_expand_name_space,
1216 _cpp_glue_header_name, _cpp_reserve_name_space,
1217 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1218 placemarker_token, eof_token, cpp_context, macro_args,
1219 get_raw_token, parse_arg, parse_args, save_token,
1220 push_arg_context, push_macro_context, pop_context,
1221 do_pop_context, free_macro_args, _cpp_get_line,
1222 _cpp_run_directive): New.
1224 * cpplib.c (validate_else, parse_include, push_conditional,
1225 pass_thru_directive, read_line_number, parse_ifdef,
1226 detect_if_not_defined, _cpp_check_directive, do_define,
1227 do_undef, do_include, do_import, do_include_next, do_error,
1228 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1229 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1230 do_pragma_poison, do_pragma_system_header,
1231 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1232 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1233 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1234 cpp_defined): Update for new scheme.
1235 (strtoul_for_line, get_define_node, dump_macro_name,
1236 _cpp_check_linemarker, _cpp_parse_assertion): New.
1237 (_cpp_handle_directive, do_pragma_default): Delete.
1239 * cpphash.h (struct predicate): Now struct answer.
1240 (enum spell_type, struct token_spelling, struct directive,
1241 directive_handler): New.
1242 Update prototypes. Remove unused macros.
1243 * cpplib.h: Update prototypes. Remove unused macros,
1244 structure definitions, and fields.
1246 * cpperror.c (print_containing_files, v_message): Adjust.
1247 * cppexp.c (parse_assertion, lex, parse_escape,
1248 _cpp_parse_expr): Adjust.
1249 * cppfiles.c (open_include_file, _cpp_execute_include,
1250 _cpp_compare_file_date, cpp_read_file, read_include_file):
1252 * cppinit.c (dump_special_to_buffer): Delete.
1253 (append_include_chain, merge_include_chains, cpp_reader_init,
1254 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1255 cpp_finish, handle_option, print_help): Adjust.
1256 * cppmain.c (main): Adjust.
1258 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1260 * cppspec.c (lang_specific_driver): Use double quotes in error
1263 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1265 * calls.c (emit_library_call_value_1): Use valreg instead
1266 of hard_libcall_value.
1268 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1270 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1271 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1272 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1280 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1281 mode instead of wider_mode is being used.
1283 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1285 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1286 of 'r'. Use q_regs_operand.
1287 (andsi_1+2): Use q_regs_operand.
1289 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1291 * builtins.c (get_memory_rtx): Always put into alias set 0.
1293 2000-07-03 Nick Clifton <nickc@cygnus.com>
1295 * config/arm/arm.md: Fix post increment and pre increment
1296 peepholes so that they do not generate UNPREDICATBLE opcodes.
1297 (ie ones where the increment clobbers the source/destination).
1299 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1301 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1302 change too big for -mtiny-stack" a warning, if larger than 63.
1303 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1304 always safe to use on possible future devices.
1305 (function_prologue): Write SPH before SPL, for consistency.
1306 If interrupt_func_p true, we know we have enabled interrupts.
1307 (avr_num_arg_regs): New function. Round up to even number of
1308 bytes if no -mpack-args or if calling a libgcc function.
1309 (function_arg, function_arg_advance): Use it.
1310 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1311 Output "movw" if available.
1312 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1313 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1314 (asm_output_section_name): Add blanks for consistent output.
1315 (encode_section_info): Set TREE_READONLY for progmem data to
1316 avoid gas warnings about changed section attributes.
1317 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1318 even numbered registers on devices with "movw".
1319 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1320 (TARGET_SWITCHES): Mark help strings for translation.
1321 Add new -mpack-args and -menhanced switches.
1322 (TARGET_OPTIONS): Mark help strings for translation.
1323 (progmem_section): Add section attributes.
1324 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1325 Output "movw" if available.
1326 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1328 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1329 call convention (arguments aligned on even registers).
1330 (_cleanup, _exit): Make weak symbols libc can override.
1332 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1334 * fp-bit.h: New file.
1336 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1337 Comment #endif statements.
1338 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1340 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1342 * gcse.c (compute_pre_data): Compute ae_kill using other local
1343 properties instead of calling compute_ae_kill.
1345 * alias.c (init_alias_analysis): Do not call
1346 prologue_epilogue_contains until after reload has completed.
1348 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1350 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1351 (genrtl_finish_compound_stmt): Likewise.
1352 (genrtl_compound_stmt): Change to return void.
1354 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1355 move code from here to ...
1356 (genrtl_compound_stmt): ... here.
1357 (genrtl_finish_compound_stmt): Remove.
1358 (expand_stmt): Add comment.
1360 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1362 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1365 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1367 * cpplib.h (struct cpp_reader): New field include_depth.
1368 (struct cpp_printer): Rename last_bsd to last_id.
1369 * cppfiles.c (read_include_file): Bump include_depth.
1370 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1371 (output_line_command): Output correct #line if a header
1372 is including itself and is not protected against multiple inclusion.
1373 Use include_depth instead of buffer_stack_depth, last_id instead of
1375 * cppinit.c (cpp_start_read): Initialize last_id instead of
1378 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1380 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1381 (c-semantics.o): New target.
1383 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1384 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1385 (genrtl_clear_out_block): Likewise.
1386 (genrtl_goto_stmt): Likewise.
1387 (genrtl_expr_stmt): Likewise.
1388 (genrtl_decl_stmt): Likewise.
1389 (genrtl_if_stmt): Likewise.
1390 (genrtl_while_stmt): Likewise.
1391 (genrtl_do_stmt): Likewise.
1392 (genrtl_return_stmt): Likewise.
1393 (genrtl_for_stmt): Likewise.
1394 (genrtl_break_stmt): Likewise.
1395 (genrtl_continue_stmt): Likewise.
1396 (genrtl_scope_stmt): Likewise.
1397 (genrtl_switch_stmt): Likewise.
1398 (genrtl_case_label): Likewise.
1399 (genrtl_begin_compound_stmt): Likewise.
1400 (gerntl_finish_compound_stmt): Likewise.
1401 (genrtl_compound_stmt): Likewise.
1402 (genrtl_asm_stmt): Likewise.
1403 (genrtl_decl_cleanup): Likewise.
1404 (DECL_ANON_UNION_ELEMS): Likewise.
1405 (emit_local_var): Likewise.
1406 (make_rtl_for_local_static): Likewise.
1407 (expand_cond): Likewise.
1408 (expand_stmt): Likewise.
1409 (c_expand_return): Likewise.
1410 (c_expand_start_case): Likewise.
1411 (do_case): Likewise.
1412 (COMPOUND_STMT_NO_SCOPE): Likewise.
1413 (c_expand_asm_operands): Likewise.
1414 (NEW_FOR_SCOPE_P): New macro.
1415 (expand_expr_stmt_fn): New type.
1417 (set_current_function_name_declared): Likewise.
1418 (current_function_name_declared): Likewise.
1419 (lang_expand_stmt): Likewise.
1420 (stmts_are_full_exprs_p): Likewise.
1421 (anon_aggr_type_p): Likewise.
1422 (lang_expand_expr_stmt): Likewise.
1423 (build_case_label): Likewise.
1425 * c-decl.c (lang_expand_expr_stmt): Initialize.
1426 (stmts_are_full_exprs_p): Define.
1427 (current_function_name_declared): Likewise.
1428 (do_case): Likewise.
1429 (lang_expand_stmt): Likewise.
1430 (set_current_function_name_declared): Likewise.
1431 (anon_aggr_type_p): Likewise.
1433 * c-semantics.c: New file.
1434 (expand_cond): Moved from cp/semantics.c.
1435 (genrtl_do_pushlevel): Likewise.
1436 (genrtl_clear_out_block): Likewise.
1437 (genrtl_goto_stmt): Likewise.
1438 (genrtl_expr_stmt): Likewise.
1439 (genrtl_decl_stmt): Likewise.
1440 (genrtl_if_stmt): Likewise.
1441 (genrtl_while_stmt): Likewise.
1442 (genrtl_do_stmt): Likewise.
1443 (genrtl_return_stmt): Likewise.
1444 (genrtl_for_stmt): Likewise.
1445 (genrtl_break_stmt): Likewise.
1446 (genrtl_continue_stmt): Likewise.
1447 (genrtl_scope_stmt): Likewise.
1448 (genrtl_switch_stmt): Likewise.
1449 (genrtl_case_label): Likewise.
1450 (genrtl_begin_compound_stmt): Likewise.
1451 (genrtl_finish_compound_stmt): Likewise.
1452 (genrtl_compound_stmt): Likewise.
1453 (genrtl_asm_stmt): Likewise.
1454 (genrtl_decl_cleanup): Likewise.
1455 (make_rtl_for_local_static): Moved from cp/decl.c.
1456 (emit_local_var): Likewise.
1457 (expand_stmt): Define.
1459 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1460 (c_expand_return): Likewise.
1461 (c_expand_start_case): Likewise.
1463 2000-07-01 Richard Henderson <rth@cygnus.com>
1465 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1466 with the low 13 bits set.
1467 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1468 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1469 of the low 13 bits into a CONST plus an adddi3.
1470 (load_symptr): Set RTX_UNCHANGING_P.
1472 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1474 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1475 * c-common.c (ridpointers): Declare.
1476 * c-common.h (enum rid): Declare.
1478 (ridpointers): Likewise.
1479 * c-lex.c (ridpointers): Don't declare.
1480 (init_lex): Initialize ridpointers.
1481 * c-lex.h (enum rid): Don't declare.
1483 (RID_FIRST_MODIFIER): Likewise.
1484 (ridpointers): Likewise.
1486 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1488 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1491 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1493 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1496 2000-06-30 Catherine Moore <clm@cygnus.com>
1498 * c-common.c (decl_attributes): Differentiate between
1499 types and type decls for alignment.
1501 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1503 * cpp.texi: Document #pragma GCC dependency
1504 * cppfiles.c (open_include_file): Set date to unknown.
1505 (_cpp_compare_file_date): New function.
1506 (read_include_file): Set file date.
1507 * cpphash.h (struct include_file): Add date member.
1508 (_cpp_compare_file_date): Prototype.
1509 * cpplib.c (parse_include): Add trail parameter. Adjust.
1510 (do_include): Adjust parse_include call.
1511 (do_import): Likewise.
1512 (do_include_next): Likewise.
1513 (gcc_pragmas): Add dependency pragma.
1514 (do_pragma_dependancy): New pragma.
1516 2000-06-29 Jason Merrill <jason@redhat.com>
1518 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1521 2000-06-29 Jim Wilson <wilson@cygnus.com>
1523 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1524 a volatile mem and FR_REGS.
1526 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1528 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1529 * c-common.h (flag_const_strings): Declare.
1530 (warn_format): Likewise.
1531 (flag_traditional): Likewise.
1532 (flag_isoc99): Likewise.
1533 (warn_parentheses): Likewise.
1534 (warn_conversion): Likewise.
1535 (C_TYPE_OBJECT_P): Likewise.
1536 (C_TYPE_INCOMPLETE_P): Likewise.
1537 (C_TYPE_FUNCTION_P): Likewise.
1538 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1539 (C_EXP_ORIGINAL_CODE): Likewise.
1540 (build_unary_op): Likewise.
1541 (build_binary_op): Likewise.
1542 (lvalue_p): Likewise.
1543 (default_conversion): Likewise.
1544 (common_type): Likewise.
1545 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1546 (C_TYPE_INCOMPLETE_P): Likewise.
1547 (C_TYPE_FUNCTION_P): Likewise.
1548 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1549 (C_EXP_ORIGINAL_CODE): Likewise.
1550 (common_type): Likewise.
1551 (default_conversion): Likewise.
1552 (build_binary_op): Likewise.
1553 (build_unary_op): Likewise.
1554 (lvalue_p): Likewise.
1555 (flag_const_strings): Likewise.
1556 (warn_format): Likewise.
1557 (warn_conversion): Likewise.
1558 (flag_traditional): Likewise.
1559 (flag_isoc99): Likewise.
1560 (warn_parentheses): Likewise.
1562 2000-06-29 James E. Wilson <wilson@cygnus.com>
1564 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1566 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1567 same. Only tie XFmode with XFmode.
1569 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1571 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1572 * Makefile.in: Update deps.
1574 2000-06-29 Andrew Haley <aph@cygnus.com>
1576 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1579 2000-06-29 Andrew Haley <aph@cygnus.com>
1581 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1582 bytes: remove the multiply by 8.
1584 2000-06-29 Philipp Thomas <pthomas@suse.de>
1586 * rtl.c : Revert NLS changes.
1587 * gcc.c : Fix bug in display_help introced by my last changes.
1589 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1591 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1592 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1594 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1596 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1598 2000-06-28 Philipp Thomas <pthomas@suse.de>
1600 * c-decl.c : Mark strings for translation.
1601 (parmlist_tags_warning): Use distinct messages instead
1602 of conditional expressions.
1603 * diagnostic.c (v_message_with_decl): Mark string for translation.
1604 * gcc.c: Mark messages for translation.
1605 (display_help): Combine messages into one string where necessary.
1606 * mips-tfile: Add intl.h. Mark messages for translation.
1607 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1608 messages for translation.
1609 * timevar.c: Mark messages for translation.
1610 * tlink.c: Likewise.
1611 * toplev.c: Likewise.
1613 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1615 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1617 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1618 use -isystem instead of -idirafter.
1619 * i386/i386-interix.h: Likewise.
1621 2000-06-28 Jason Merrill <jason@redhat.com>
1623 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1624 unless DWARF2_DEBUGGING_INFO is defined.
1625 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1627 2000-06-28 Richard Henderson <rth@cygnus.com>
1629 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1631 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1633 * cpplex.c (output_line_command): Output correct #line if a header
1634 is including itself and is not protected against multiple inclusion.
1636 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1638 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1639 ENFILE, close all cached file descriptors and try again.
1640 (_cpp_execute_include): Keep a count of the number of times
1641 each header is included.
1642 (close_cached_fd): New function.
1643 * cpphash.h (struct include_file): Rename before to
1644 include_count; all users updated. Make include_count and sysp
1646 * cppinit.c (cpp_finish): If -H, report headers that could use
1648 (report_missing_guard): New function.
1650 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1652 * i386.md (prologue_set_got): Set length_immediate field.
1653 (testqi_ccno_1): Add missing '@' character.
1655 2000-06-27 Jason Merrill <jason@redhat.com>
1657 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1660 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1662 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1663 unsigned macros available.
1665 2000-06-27 Richard Henderson <rth@cygnus.com>
1667 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1668 epilogue_deallocate_stack.
1670 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1671 completers for UNORDERED and ORDERED as well.
1672 * config/ia64/ia64.md (bunordered, bordered): New.
1673 (sunordered, sordered): New.
1675 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1677 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1678 * i386.c (ix86_attr_length_default): Kill.
1679 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1681 * i386-protos.h (ix86_attr_length_default): Kill
1682 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1684 * i386.md (attribute type): Add "test".
1685 (attribute length_prefix): Kill.
1686 (attribute length_opcode): Kill.
1687 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1688 prefix_rep, prefix_0f, modrm): New.
1689 (attribute length): Compute using the new attributes.
1690 (attribute pent_prefix): New.
1691 (attribute pent_pair): Compute using pent_prefix.
1692 (all insn patterns): Set mode,modrm and immediate_length attributes where
1694 (cmpsi patterns): Compute sizes propertly for test instruction.
1695 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1696 (movstricthi_xor, movstrictqi_xor): New patterns.
1697 (andsi/andhi): Use splitters to generate xor instructions.
1698 (xorqi_ext_1): New pattern.
1699 (movstricthi->movstricthi_xor peep2): New.
1701 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1703 * i386.md (addqi_low_1): Remove.
1705 2000-06-27 Philipp Thomas <pthomas@suse.de>
1707 * 1750a.h: Mark help strings for options/switches for translation.
1709 * alpha.h: Likewise.
1712 * riscix.h: Likewise.
1714 * clipper.h: Likewise.
1715 * convex.h: Likewise.
1716 * elxsi.h: Likewise.
1719 * h8300.h: Likewise.
1721 * cygwin.h: Likewise.
1723 * djgpp.h: Likewise.
1725 * osf1elf.h: Likewise.
1726 * osfrose.h: Likewise.
1728 * win32.h: Likewise.
1730 * paragon.h: Likewise.
1734 * mcore.h: Likewise.
1736 * mn10300.h: Likewise.
1737 * ns32k.h: Likewise.
1738 * pdp11.h: Likewise.
1741 * aix41.h: Likewise.
1742 * aix43.h: Likewise.
1744 * rs6000.h: Likewise.
1745 * sysv4.h: Likewise.
1746 * linux.h: Likewise.
1747 * linux64.h: Likewise.
1748 * sp64-elf.h: Likewise.
1749 * sparc.h: Likewise.
1750 * splet.h: Likewise.
1752 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1754 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1755 Properly document option and mark for translation.
1756 * sp86x-elf.h: Likewise.
1758 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1760 Add MMX and SSE registers to i386 machine description.
1761 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1762 ix86_local_alignment): Declare.
1764 * i386.h (TARGET_MMX, TARGET_SSE): New.
1765 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1766 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1767 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1768 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1769 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1770 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1771 (RETURN_IN_MEMORY): Handle MMX/SSE.
1772 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1773 also get stack space.
1774 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1775 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1776 (MMX_REGISTER_NAMES): New.
1777 (ALIGN_MODE_128): New macro.
1778 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1779 (DATA_ALIGNMENT): Likewise.
1780 (LOCAL_ALIGNMENT): Likewise.
1781 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1782 TARGET_MMX/TARGET_SSE.
1783 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1784 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1785 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1786 SSE/MMX regs and something else.
1787 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1788 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1789 3 if moving between MMX regs and something else.
1791 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1792 (regclass_map): Add MMX/SSE registers.
1793 (print_operand): Add code to print XMMWORD as appropriate.
1794 (ix86_split_movdi): Abort for MMX regs.
1795 (init_cumulative_args): Also allow SSE_REGS
1796 (function_arg_advance, function_arg): Likewise
1797 (print_reg): Support 'm'. Add case for TImode.
1798 (override_options): TARGET_SSE implies TARGET_MMX.
1799 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1802 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1804 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1806 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1807 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1809 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1811 * ssa.c (struct rename_set_data): Change the name of field
1812 'set_dest' to 'old_reg'. Add comments.
1813 (struct rename_context): Change the name of 'set_data' to
1814 'new_renames'. Add new field 'done_renames'.
1815 (create_delayed_rename): New function.
1816 (apply_delayed_renames): New function.
1817 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1818 SUBREGs and similar by emitting a move.
1819 (new_registers_for_updates): Delete, functionality moved to
1820 apply_delayed_renames.
1821 (rename_block): Handle moves emitted by rename_insn_1 by putting
1822 them into a SEQUENCE with the original insn. Add sanity checks
1824 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1825 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1827 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1828 Jason Merrill <jason@redhat.com>
1830 * dwarf2.h (enum dwarf_call_frame_info): Add
1831 DW_CFA_def_cfa_expression.
1832 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1833 dw_loc_descr_struct entry.
1834 (struct cfa_loc): New structure to track a CFA location.
1835 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1836 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1837 offset, plus handle DW_CFA_def_cfa_expression.
1838 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1840 (dwarf2out_def_cfa): Entry point maintained for compatability.
1841 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1842 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1843 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1844 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1846 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1847 sequences for the new DW_CFA_def_cfa_expression record.
1848 (dwarf2out_frame_debug): Use new variables/fields.A
1849 (output_cfi): Handle DW_CFA_def_cfa_expression.
1850 (output_cfa_loc): New function to generate a CFI record for
1851 DW_CFA_def_cfa_expression.
1852 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1853 a dw_loc_descr sequeunce.
1854 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1855 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1856 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1857 unwind info section.
1858 * frame.h (frame_state): Add base_offset and indirect fields.
1859 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1860 dw_loc_descr operation.
1861 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1862 (struct frame_state): Add base offset and indirect fields.
1863 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1865 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1867 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1868 Make warnings about implicit int be pedwarns in C99. Don't warn
1869 about duplicate type qualifiers in C99.
1870 (start_function): Make warning about implict int return type be a
1872 * c-lex.c (yylex): Don't warn about `long long' in C99.
1873 * c-typeck.c (c_expand_return): In C99, always pedwarn about
1874 `return' with no value in function returning non-void.
1876 2000-06-26 Richard Henderson <rth@cygnus.com>
1878 * c-typeck.c (pedwarn_c99): New.
1879 * diagnostic.c (verror, vwarning, vpedwarn): Export.
1880 * toplev.h: Prototype them.
1882 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1884 * c-typeck.c (digest_init): Return error_mark_node node when
1885 TREE_TYPE (init) == error_mark_node.
1887 2000-06-26 Philipp Thomas <pthomas@suse.de>
1889 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
1890 test for msgfmt without path instead.
1891 * configure: Rebuilt.
1893 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1895 * gengenrtl.c (special_rtx): Fix typo in comment.
1897 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1899 * mklibgcc.in (LIB2FUNCS): Add missing space.
1901 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1903 * tree.h (enum tree_index): Add vector type nodes.
1904 Add accessor macros for them.
1905 (TYPE_REPRESENATION_TYPE): New macro.
1906 * tree.c (build_common_tree_nodes_2): Build these nodes.
1907 (finish_vector_type): New function.
1908 * c-common.c (type_for_mode): Handle vector modes.
1909 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
1911 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
1912 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
1913 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
1914 (gen_type_die): Likewise.
1915 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
1916 (fundamental_type_code): Likewise.
1917 (type_is_fundamental): VECTOR_TYPEs aren't.
1918 (output_type): Handle VECTOR_TYPEs.
1920 2000-06-25 Kazu Hirata <kazu@hxi.com>
1922 * config/arm.c: Fix a comment typo.
1923 * config/arm.h: Likewise.
1925 2000-06-25 Philipp Thomas <pthomas@suse.de>
1927 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
1929 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
1930 * configure: Rebuilt.
1932 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
1934 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
1936 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1938 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
1941 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
1943 * collect2.c (resolve_lib_name): Move '/' check out of loop.
1945 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
1947 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
1949 2000-06-24 Jakub Jelinek <jakub@redhat.com>
1951 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
1952 last_unconditional_cleanup.
1954 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1956 * tree.def (VECTOR_TYPE): New node type.
1957 * tree.h: Adjust some comments to reflect addition of vector types.
1958 (TYPE_VECTOR_SUBPARTS): New macro.
1959 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
1960 * c-convert.c (convert): Likewise.
1961 * convert.c (convert_to_integer): Handle vector modes.
1962 (convert_to_vector): New function.
1963 * convert.h (convert_to_vector): Declare.
1964 * expr.c (convert_move): Handle vector modes.
1965 * expmed.c (extract_bit_field): Don't abort for vector modes.
1967 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
1969 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
1970 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
1971 New functions, common code moved from function_{prologue,epilogue}
1972 and extended to support the -mtiny-stack option.
1973 (function_prologue, function_epilogue): Use them.
1974 Use lo8/hi8 consistently for asm output readability.
1975 (avr_hard_regno_mode_ok): New function.
1976 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
1977 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
1978 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
1979 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
1980 Write SPH before SPL.
1981 (*movqi): No need to disable interrupts for just one "out"
1982 in alternative 5. Change length attribute from 4 to 1.
1983 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
1984 Write SPH before SPL.
1986 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
1988 * rtl.texi (Vector Operations): New node.
1989 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
1990 (Conversions): Add ss_truncate, us_truncate.
1991 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
1992 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
1993 US_TRUNCATE): New rtx codes.
1994 * machmode.def: Add vector modes.
1995 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
1997 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
1998 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
1999 (VECTOR_MODE_P): New.
2001 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2003 * cpp.texi: Clarify #pragma GCC namespace.
2005 2000-06-24 Philipp Thomas <pthomas@suse.de>
2007 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2008 all catalogs specified in ALL_LINGUAS.
2009 * configure: Rebuilt.
2011 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2013 * config/sparc/sparc.md (reload_outdi+1): Handle
2014 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2015 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2017 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2019 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2020 struct vs. scalar-ness when -fno-strict-aliasing.
2022 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2024 * cpplib.c (struct pragma_entry): New structure.
2025 (pragma_dispatch): Pragma dispatcher.
2026 (top_pragmas, gcc_pragmas): New static variables.
2027 (do_pragma): Use pragma_dispatch.
2028 (do_pragma_gcc): New pragma handler.
2031 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2033 * calls.c (compute_argument_addresses): Force stack slots into
2035 * expr.c (emit_push_insn): Force pushes into alias set 0.
2037 2000-06-23 Richard Henderson <rth@cygnus.com>
2039 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2040 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2042 2000-06-22 Jason Merrill <jason@redhat.com>
2044 * toplev.c (compile_file): Always call timevar_print.
2045 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2047 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2049 * varasm.c (constant_descriptor): Make contents unsigned char.
2050 (mark_const_hash_entry): Adjust.
2051 (const_hash): Just hash the code of unknown nodes.
2052 (compare_constant_1): Adjust for unsigned char.
2053 Use language specific expander on unknown nodes.
2054 (record_constant_1): Likewise.
2056 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2058 * cppfiles.c (cpp_make_system_header): New function.
2059 * cpplib.h: Prototype it.
2060 * cpplib.c (do_line, do_pragma_system_header): Use it.
2061 * fix-header.c (read_scan_file): Use it.
2063 * fix-header.c (check_macro_names): Cast second arg of
2064 cpp_defined to const unsigned char *.
2065 (read_scan_file): Make getchar_call const unsigned char.
2067 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2069 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2070 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2071 (destroy_include_file_node): New.
2072 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2073 Create a splay tree, not a hash table.
2074 (open_include_file): Look up the path in the include table,
2075 do the multiple include optimization here, etc.
2076 (cpp_included): Walk the path.
2077 (find_include_file): Just walk the path calling
2078 open_include_file, or call it directly for an absolute path.
2079 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2081 (read_include_file): Update for new scheme. Don't close the
2082 file unless reading fails.
2083 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2085 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2086 (struct include_file): New.
2087 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2089 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2092 * cppinit.c: Include splay-tree.h.
2093 (cpp_reader_init, cpp_cleanup): Update.
2095 * cpplib.h (struct cpp_buffer): Change ihash field to
2096 'struct include_file *inc'. Remove system_header_p.
2097 (struct cpp_reader): Change all_include_files to a
2098 struct splay_tree_s *.
2100 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2101 cpp_buffer->system_header_p.
2102 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2104 * Makefile.in (SPLAY_TREE_H): New macro.
2105 (cppfiles.o, cppinit.o): Update dependencies.
2107 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2109 * invoke.texi (g++): "g++" is not a script anymore.
2111 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2113 * function.c (round_down): Delete obsolete prototype.
2115 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2117 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2119 * configure.in: Use 'test a = b' not 'test a == b'.
2122 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2124 * Makefile.in: Remove all references to HOST_INTLLIBS.
2126 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2129 2000-06-20 Philipp Thomas <pthomas@suse.de>
2131 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2134 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2136 * Take REG_INC notes into account.
2138 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2140 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2141 (primary: IDENTIFIER): Just call build_external_ref.
2142 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2144 * c-lex.c (lastiddecl): Remove.
2145 (yylex): Replace all instances of lastiddecl with local
2148 * c-typeck.c (build_external_ref): New function. Treat decls
2149 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2150 Look up the decl from the id here. Call lookup_objc_ivar.
2151 * c-lang.c (lookup_objc_ivar): Stub.
2152 * objc/objc-act.c (lookup_objc_ivar): New function.
2154 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2155 * c-lex.h: Don't declare lastiddecl.
2157 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2159 * c-common.h (IF_COND): Added documentation.
2160 (THEN_CLAUSE): Likewise.
2161 (ELSE_CLAUSE): Likewise.
2162 (WHILE_COND): Likewise.
2163 (WHILE_BODY): Likewise.
2164 (DO_COND): Likewise.
2165 (DO_BODY): Likewise.
2166 (RETURN_EXPR): Likewise.
2167 (EXPR_STMT_EXPR): Likewise.
2168 (FOR_INIT_STMT): Likewise.
2169 (FOR_COND): Likewise.
2170 (FOR_EXPR): Likewise.
2171 (FOR_BODY): Likewise.
2172 (SWITCH_COND): Likewise.
2173 (SWITCH_BODY): Likewise.
2174 (CASE_LOW): Likewise.
2175 (CASE_HIGH): Likewise.
2176 (GOTO_DESTINATION): Likewise.
2177 (COMPOUND_BODY): Likewise.
2178 (ASM_CV_QUAL): Likewise.
2179 (ASM_STRING): Likewise.
2180 (ASM_OUTPUTS): Likewise.
2181 (ASM_INPUTS): Likewise.
2182 (ASM_CLOBBERS): Likewise.
2183 (DECL_STMT_DECL): Likewise.
2184 (STMT_EXPR_STMT): Likewise.
2185 (LABEL_STMT_LABEL): Likewise.
2187 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2188 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2189 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2190 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2192 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2194 * configure.in (--enable-checking): Update --help doc to reflect
2195 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2197 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2199 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2201 * function.c (put_var_into_stack): Don't reference DECL_ fields
2202 if input is a SAVE_EXPR.
2203 Use set_mem_attributes in COMPLEX case.
2205 2000-06-18 Richard Henderson <rth@cygnus.com>
2207 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2208 (ia64_file_start): Declare.
2209 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2210 (GR_REGNO_P): Likewise.
2211 * config/ia64/ia64.c: Many prototypes.
2212 (ia64_reg_numbers): Constify.
2213 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2214 (ia64_section_threshold): Make unsigned.
2215 (ia64_print_operand): Constify.
2216 (fix_range): Constify.
2217 (ia64_init_builtins): Don't compare signed vs unsigned.
2218 (ia64_expand_builtin): Likewise.
2220 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2221 (CONSTRAINT_OK_FOR_Q): New.
2222 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2223 (movsf_internal, movdf_internal): Likewise.
2224 (cmovdi_internal): Rewrite so that constraints and predicates match;
2226 (cmovsi_internal): Likewise.
2228 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2229 (ASM_FILE_START): New.
2230 * config/ia64/ia64.c (ia64_file_start): New.
2231 (rtx_needs_barrier): Handle pred.rel.mutex.
2232 (emit_predicate_relation_info): New.
2233 * config/ia64/ia64.md (pred_rel_mutex): New.
2234 * config/ia64/linux.h (ASM_SPEC): Define.
2235 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2237 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2238 filtering global register variables.
2240 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2242 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2244 2000-06-17 Michael Meissner <meissner@redhat.com>
2246 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2247 not present and there is a field after a '-'.
2249 2000-06-17 Bruce Korb <bkorb@gnu.org>
2251 * fixinc/check.tpl: finish the implementation of multiple tests
2253 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2254 (io_quotes_def): add a second test
2255 (various): reorder `files' so that "limits.h" is never first
2256 * fixinc/tests/base/*: update the testing output
2258 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2260 * gcc.texi: Remove reference to stupid.c.
2262 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2264 * c-common.c (c_tree_code_type): New array.
2265 (c_tree_code_length): Likewise.
2266 (c_tree_code_name): Likewise.
2267 (add_c_tree_codes): New function.
2269 * c-common.h (add_c_tree_codes): Declare.
2270 (enum c_tree_code): New enum.
2272 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2274 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2276 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2277 select pattern to also match macro defs with only one argument.
2279 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2281 * i386.md: Create new [right,left] rotate and right shift
2282 patterns to optimize shift by 1 bit for certain ia32 processors.
2283 Update patterns which perform left shifts to optimize shift by
2284 1 bit for certain ia32 processors.
2285 * i386.c (const_int_1_operand): New predicate.
2286 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2287 * i386-protos.h (const_int_1_operand): Prototype.
2289 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2291 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2293 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2295 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2298 2000-06-14 Richard Henderson <rth@cygnus.com>
2300 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2302 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2305 * print-rtl.c (print_rtx): Emit space before mem alias set.
2307 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2309 * rs6000.c (expand_block_move): Fix typo in earlier change.
2310 (print_operand): Remove unused variables neg and op.
2311 (toc_hash_mark_entry): Fix prototype.
2313 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2315 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2316 (THEN_CLAUSE): Likewise.
2317 (ELSE_CLAUSE): Likewise.
2318 (WHILE_COND): Likewise.
2319 (WHILE_BODY): Likewise.
2320 (DO_COND): Likewise.
2321 (DO_BODY): Likewise.
2322 (RETURN_EXPR): Likewise.
2323 (EXPR_STMT_EXPR): Likewise.
2324 (FOR_INIT_STMT): Likewise.
2325 (FOR_COND): Likewise.
2326 (FOR_EXPR): Likewise.
2327 (FOR_BODY): Likewise.
2328 (SWITCH_COND): Likewise.
2329 (SWITCH_BODY): Likewise.
2330 (CASE_LOW): Likewise.
2331 (CASE_HIGH): Likewise.
2332 (GOTO_DESTINATION): Likewise.
2333 (COMPOUND_BODY): Likewise.
2334 (ASM_CV_QUAL): Likewise.
2335 (ASM_STRING): Likewise.
2336 (ASM_OUTPUTS): Likewise.
2337 (ASM_INPUTS): Likewise.
2338 (ASM_CLOBBERS): Likewise.
2339 (DECL_STMT_DECL): Likewise.
2340 (STMT_EXPR_STMT): Likewise.
2341 (LABEL_STMT_LABEL): Likewise.
2342 (SCOPE_BEGIN_P): Likewise.
2343 (SCOPE_END_P): Likewise.
2344 (SCOPE_STMT_BLOCK): Likewise.
2345 (SCOPE_NULLIFIED_P): Likewise.
2346 (SCOPE_NO_CLEANUPS_P): Likewise.
2347 (SCOPE_PARTIAL_P): Likewise.
2348 (ASM_VOLATILE_P): Likewise.
2349 (STMT_LINENO): Likewise.
2350 (STMT_LINENO_FOR_FN_P): Likewise.
2352 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2353 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2354 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2355 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2356 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2358 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2360 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2362 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2363 writable in parts of the GCC code.
2365 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2366 specification match cast.
2368 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2370 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2371 * configure, config.in: Rebuilt.
2372 * sys-protos.h: Similarly.
2374 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2376 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2377 * basic-block.h (EDGE_COMPLEX): ... here.
2379 * loop.c (check_dbra_loop): Specify the register when
2380 generating REG_NONNEG notes and don't generate duplicates.
2382 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2384 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2385 (struct tree_type, struct tree_decl): Add user_align member.
2386 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2387 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2388 and DECL_USER_ALIGN 0, cap alignment to this value.
2389 (place_field): Likewise.
2390 (finalize_type_size): Set TYPE_USER_ALIGN.
2391 (layout_type): Likewise.
2392 (initialize_sizetypes): Likewise.
2393 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2394 DECL_USER_ALIGN to 1.
2395 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2396 (xfer_tag): Set TYPE_USER_ALIGN.
2397 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2398 (finish_enum): Likewise.
2399 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2400 (expand_anon_union_decl): Likewise.
2401 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2402 (build_index_type): Set TYPE_USER_ALIGN.
2403 (build_range_type): Likewise.
2404 (build_common_tree_nodes_2): Likewise.
2405 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2407 2000-06-13 Andreas Jaeger <aj@suse.de>
2409 * configure.in: Use --enable-checking=misc,tree,gc by default if
2410 no --enable-checking option is given and for
2411 --enable-checking=yes.
2412 * configure: Rebuilt.
2414 2000-06-13 Richard Henderson <rth@cygnus.com>
2416 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2417 (__throw): Don't pass the address of a label.
2419 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2420 current_function_is_leaf.
2421 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2422 instead of reg_names[RETURN_ADDRESS_REGNUM].
2423 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2424 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2425 from RETURN_ADDRESS_REGNUM. Update all uses.
2426 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2427 zero instead of null on failure.
2428 (ELIMINABLE_REGS): Add ra->b0 elimination.
2429 (CAN_ELIMINATE): Update accordingly.
2430 (INITIAL_ELIMINATION_OFFSET): Likewise.
2431 (REGISTER_NAMES): Use an illegal assembler name for
2432 RETURN_ADDRESS_POINTER_REGNUM.
2434 2000-06-13 Richard Henderson <rth@cygnus.com>
2436 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2437 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2438 (REG_CLASS_NAMES): Likewise.
2439 (REG_CLASS_CONTENTS): Likewise.
2440 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2441 (HARD_REGNO_MODE_OK): Remove references to them.
2442 (REGNO_REG_CLASS): Likewise.
2443 (REG_CLASS_FROM_LETTER): Likewise.
2444 (CLASS_MAX_NREGS): Likewise.
2445 (REGISTER_MOVE_COST): Likewise.
2446 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2447 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2448 (movqi_internal): Special case moves from zero.
2449 (movhi_internal, movsi_internal): Likewise.
2450 (movdi_internal): Likewise. Fill out "f" constraints.
2451 (movsf_internal): Fill out "r" constraints.
2452 (movdf_internal): Likewise.
2454 2000-06-13 Richard Henderson <rth@cygnus.com>
2456 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2457 alive before reload.
2459 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2460 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2461 (remove_dependence): Always define.
2462 (set_sched_group_p): New.
2463 (sched_analyze_2): Use it.
2464 (sched_analyze_insn): Don't special-case naked uses. Look for
2465 and extend in_post_call_group_p.
2466 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2467 (init_deps): Clear in_post_call_group_p.
2469 2000-06-13 Richard Henderson <rth@cygnus.com>
2471 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2472 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2473 and hard-coded tests.
2474 (simplify_set): Likewise.
2475 (gen_lowpart_for_combine): Likewise.
2476 * emit-rtl.c (gen_lowpart_common): Likewise.
2477 * global.c (find_reg): Likewise.
2478 * local-alloc.c (find_free_reg): Likewise.
2479 * recog.c (register_operand): Likewise.
2480 * regclass.c (init_reg_sets_1): Likewise.
2481 (record_operand_costs, regclass): Likewise.
2482 * reload.c (push_reload): Likewise.
2483 * reload1.c (choose_reload_regs): Likewise.
2484 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2485 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2486 Update all references.
2487 * regs.h (struct reg_info_def): Likewise.
2488 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2489 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2490 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2492 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2493 (CLASS_CANNOT_CHANGE_MODE_P): New.
2494 * config/mips/mips.h: Likewise.
2495 * config/pa/pa32-regs.h: Likewise.
2496 * config/pa/pa64-regs.h: Likewise.
2497 * config/rs6000/rs6000.h: Likewise.
2498 * config/sh/sh.h: Likewise.
2499 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2500 (CLASS_CANNOT_CHANGE_MODE_P): New.
2501 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2502 * config/d30v/d30v.h: Likewise.
2504 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2506 * configure.in: Add AC_TYPE_GETGROUPS test.
2507 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2508 * configure: Rebuilt.
2509 * config.in: Rebuilt.
2511 2000-06-13 Richard Henderson <rth@cygnus.com>
2513 * explow.c (set_mem_attributes): Do nothing for NULL type.
2515 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2517 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2520 2000-06-13 James E. Wilson <wilson@cygnus.com>
2522 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2524 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2526 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2528 2000-06-13 Philipp Thomas <pthomas@suse.de>
2530 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2531 * configure: Rebuilt.
2533 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2535 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2536 We now default to ELF for the i386, and a.out is the special case.
2537 * configure: Rebuilt.
2539 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2541 * final.c (final_scan_insn): Delete notes between cc0 setter and
2542 user when restarting from setter.
2544 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2546 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2547 cast to squelch signed/unsigned warnings.
2549 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2551 * cpplib.c (handle_directive): Print non-NUL-terminated string
2554 2000-06-12 Michael Meissner <meissner@redhat.com>
2556 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2557 path if the machine needs extra support to do conditional
2560 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2562 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2563 to print the alias set.
2564 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2566 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2568 * config/float-vax.h: Add GFLOAT defines.
2570 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2572 * configure.in: Update tm dependencies for MPE.
2573 * configure: Rebuilt.
2575 2000-06-12 H.J. Lu <hjl@gnu.org>
2577 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2579 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2581 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2582 (CPP_SPEC): Change mthreads to pthread.
2583 (LIB_SPEC): Likewise.
2584 (STARTFILE_SPEC): Likewise.
2585 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2586 (CPP_SPEC): Change mthreads to pthread.
2587 (LIB_SPEC): Likewise.
2588 (STARTFILE_SPEC): Likewise.
2589 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2590 * rs6000.c (reg_or_arith_cint_operand): New.
2591 (num_insns_constant_wide): Decorate unsigned constant.
2592 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2593 * rs6000.md (addsi3): Use new predicate.
2594 (subsi3, adddi3, subdi3): Likewise.
2596 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2598 * c-common.c (lang_get_alias_set): Fix typo.
2600 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2602 * flow.c (mark_used_regs): Revert last change.
2603 (life_analysis): Remove PROP_AUTOINC if running after reload.
2604 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2606 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2608 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2611 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2613 * bb-reorder.c (build_scope_forest): Initialize variable
2616 * calls.c (expand_call): Likewise for variables
2617 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2619 * i386.c (function_arg_advance, function_arg): Cast to avoid
2620 signed/unsigned warnings.
2622 * i386.h (MEMORY_MOVE_COST): Likewise.
2624 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2625 `else_start' and `else_end'.
2627 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2629 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2631 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2633 * Makefile.in (libintl.a): Depend on intl.all.
2635 2000-06-09 H.J. Lu (hjl@gnu.org)
2637 * Makefile.in (c-parse.o): Also depend on output.h.
2639 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2641 * mcore-protos.h: discards const warning removal.
2642 * mcore.c: discards const warning removal.
2644 2000-06-09 Kazu Hirata <kazu@hxi.com>
2646 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2647 the beginning of the file.
2649 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2651 * real.h: Add prototype for ldexp.
2653 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2655 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2656 it ggc_alloc, drop second argument, never clear returned memory.
2657 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2658 (ggc_alloc_cleared): New.
2659 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2660 ggc_alloc_obj. Remove ggc_alloc macro.
2661 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2663 * rtl.c (rtvec_alloc): Clear the vector always.
2664 (rtx_alloc): Clear the first word always. Remove dirty
2665 obstack tricks (this routine is no longer a bottleneck).
2666 * tree.c (make_node): Clear the new node always.
2667 (make_tree_vec): Likewise.
2668 (tree_cons): Clear the common structure always.
2669 (build1): Likewise; also, clear TREE_COMPLEXITY.
2670 * gengenrtl.c: Use puts wherever possible. Remove extra
2672 (gendef): Clear the first word of an RTX in the generator
2673 function, irrespective of ggc_p. Initialize '0' slots to
2675 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2676 thin wrapper macro around obstack_alloc.
2678 * stmt.c (expand_fixup): Use ggc_alloc.
2679 * c-typeck.c (add_pending_init): Use ggc_alloc.
2680 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2681 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2682 const0_rtx when it is created.
2683 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2684 we are not in a function.
2686 * tree.c (tree_class_check_failed): Make second arg an int.
2687 * tree.h: Update prototype.
2689 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2691 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2692 of an error_mark_node.
2694 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2696 * config/avr/avr.c (asm_output_section_name): bugfix.
2698 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2700 * timevar.def: Add TV_EXPAND.
2701 * timevar.c (timevar_print): Update timing information.
2702 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2704 * stmt.c (expand_return): Check for error_mark_node.
2706 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2708 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2710 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2711 variable against filename expansion when it contains "char *".
2713 * system.h (SSIZE_MAX): Delete backup definition.
2715 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2716 instead of SSIZE_MAX.
2718 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2720 * configure.in: Check whether gas supports -relax.
2721 * configure, config.in: Rebuilt.
2722 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2723 (EXTRA_SPECS): Add asm_relax.
2724 (ASM_SPEC): Add %(asm_relax).
2725 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2726 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2727 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2728 (ASM_SPEC): Add %(asm_relax).
2729 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2730 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2731 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2732 instead of mov, so that gas can further optimize it.
2734 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2736 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2738 (value_format, case dw_val_class_const): Use sdata format.
2739 (output_die): Call output_sleb128.
2741 2000-06-08 James E. Wilson <wilson@cygnus.com>
2743 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2744 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2745 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2746 (output_die, case dw_val_class_unsigned_const): Correct call to
2747 ASM_OUTPUT_DWARF_DATA8.
2748 (output_die, case dw_val_class_long_long): Use
2749 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2750 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2753 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2754 (output_function_prologue): Fix mispelling.
2755 (output_function_prologue, output_function_epilogue): Reorder to
2756 match ia64.c definition order.
2757 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2758 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2759 Use r3 instead of r2 for large stack restores.
2760 (ia64_output_end_prologue): New function.
2761 (process_set): Emit ".restore sp" for epilogue stack restores.
2762 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2764 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2766 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2769 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2771 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2773 2000-06-08 Denis Perchine <dyp@perchine.com>
2775 * frame.c (start_fde_sort): Don't malloc (0).
2777 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2779 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2781 * print-tree.c (print_node): The transparent_union_flag means
2782 different things for unions and arrays. Do not inspect it
2783 with TYPE_TRANSPARENT_UNION.
2785 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2787 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2790 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2792 * config/avr/avr.c (asm_output_section_name): output section
2794 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2796 2000-06-06 James E. Wilson <wilson@cygnus.com>
2798 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2799 fields into header field.
2800 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2801 macros to access length, flags, and version info from header field.
2802 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2803 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2804 (__do_global_ctors_aux): Fix caller.
2805 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2806 prologue_flag to header. Pass to read_P_record.
2807 (read_P_record): New argument header. Implement P4 format.
2808 Multiply P7_T_SIZE by 16.
2809 (execute_one_ia64_descriptor): New static local region_header. Pass to
2810 get_unwind_record. Copy r to region_header if r is a header record.
2811 (print_all_records): Likewise.
2812 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2813 (__get_personality, __get_except_table): Likewise.
2814 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2816 2000-06-06 Philipp Thomas <pthomas@suse.de>
2818 * configure.in (AC_C_INLINE): Added.
2819 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2820 * configure: Regenerate.
2822 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2824 * c-common.h (c_language_kind): New type.
2825 (c_language): New variab.e
2826 * c-common.c (lang_get_alias_set): Don't put structures in
2827 non-zero alias sets in C++.
2828 * c-decl.c (c_language): Define it.
2829 * c-lex.c (doing_objc_thang): Remove.
2830 * c-tree.h (doing_objc_thang): Make it a macro.
2831 * objc/objc-act.c (lang_decode_option): Set c_language, not
2834 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2836 * diagnostic.c (output_maximum_width): Remove.
2837 (doing_line_wrapping): Tweak.
2838 (diagnostic_buffer): New object.
2839 (global_output_buffer): New object.
2840 (output_destroy_prefix): New function.
2841 (default_initialize_buffer): Likewise.
2842 (reshape_diagnostic_buffer): Likewise.
2843 (initialize_diagnostics): Likewise.
2844 (output_clear): Tweak.
2845 (line_wrapper_printf): Adjust call to init_output_buffer.
2846 (vline_wrapper_message_with_location): Likewise. Use
2847 output_destroy_prefix.
2848 (v_message_with_decl): Likewise.
2850 * diagnostic.h (struct output_buffer): Constify prefix.
2851 (init_output_buffer, output_get_prefix): Constify.
2852 (diagnostic_message_length_per_line): Likewise.
2853 (reshape_diagnostic_buffer): Declare.
2854 (default_initialize_buffer): Declare.
2855 (initialize_diagnostics): Declare.
2856 (diagnostic_buffer): Declare new obbject.
2858 * toplev.c: #include diagnostic.h
2859 (display_help): Document diagnostic formatting options.
2860 (decode_f_option): Handle diagnostic formatting options.
2861 (main): Setup initialization for diagnostic messages outputter.
2863 * toplev.h (set_message_length): Remove.
2865 * Makefile.in (toplev.o): Depends upon diagnostic.h
2867 * invoke.texi : Document diagnostics formatting options.
2869 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
2871 * configure.in (Make the links): Typo fix : the file that must be
2872 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
2873 * configure: File rebuilt.
2875 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
2877 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
2878 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
2880 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
2881 emergency eh_context buffer, if malloc fails.
2882 (__eh_free): Moved from cp/exception.cc. Release to emergency
2883 eh_context buffer, if appropriate.
2885 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
2887 * expr.c (store_expr): Fix typo.
2889 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2891 * m68k.c (legitimize_pic_address): Move prototype ...
2893 * m68k-protos.h (legitimize_pic_address): ... here.
2895 * m68k.md (legitimize_pic_address): Delete prototypes.
2896 (untyped_call): Invoke GEN_CALL(), not gen_call().
2898 * nextstep.c: Include system.h and toplev.h.
2899 (get_directive_line): Don't prototype.
2900 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
2902 * nextstep.h (handle_pragma): Prototype.
2903 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
2904 objc_section_init ...
2905 (EXTRA_SECTION_FUNCTIONS): ... here.
2907 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2909 * sdbout.c (struct sdb_file): NAME now const.
2910 (sdbout_init): input_file_name now const.
2911 (sdbout_start_new_source_file): FILENAME now const.
2912 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
2914 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2916 * c-typeck.c (build_conditional_expr): Handle complex data types.
2918 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2920 * explow.c (maybe_set_unchanging): New function, broken out from...
2921 (set_mem_attributes): Here.
2922 * expr.h: Declare it.
2923 * stmt.c (expand_decl): Call it.
2925 2000-06-05 Richard Henderson <rth@cygnus.com>
2927 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
2928 while looking for a register to inherit from.
2930 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
2932 * Makefile.in (libgcc.ready): Lose.
2933 (libgcc.mk): Just use mv, not move-if-change.
2934 (LIBGCC_DEPS): New macro.
2936 (stmp-multilib): Likewise.
2937 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
2938 it rather than the directories themselves.
2939 (LIB2ADD): Depend on the list file rather than 'force'.
2941 * fold-const.c (fold, case COND_EXPR): Elide conversion between
2942 cv-qualified versions of types.
2944 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2946 * config/sparc/sparc.c (short_branch): Correct error in range
2949 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2951 * fixinc/inclhack.def: New include hacks for ultrix.
2952 * (nested_ultrix): Replaced by ultrix_nested_svc.
2953 * (ultrix_atof_param): test_text string added.
2954 * (ultrix_ifdef): Modified select string.
2956 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
2958 * objc/objc-act.c (generate_method_descriptors): Register
2959 objc_method_prototype_template as a GC root.
2960 (comp_method_with_proto): Register function_type as a GC root.
2961 (comp_proto_with_proto): Replace function_type1 and
2962 function_type2 with a two-element array; register it as a GC root.
2964 (generate_protocols, build_protocol_initializer,
2965 generate_protocol_list, build_category_initializer,
2966 build_shared_structure_initializer): Do not cache cast_type
2969 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2971 * function.c (assign_parms): Add missing argument to set_mem_attributes
2974 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
2976 * tree.h (VOID_TYPE_P): New macro.
2977 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
2978 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
2979 (get_parm_info): Likewise.
2980 (store_parm_decls): Likewise.
2981 (combine_parm_decls): Likewise.
2982 (finish_function): Likewise.
2983 * c-typeck.c (build_function_call): Likewise.
2984 (build_binary_op): Likewise.
2985 (build_conditional_expr): Likewise.
2986 (internal_build_compound_expr): Likewise.
2987 (convert_for_assignment): Likewise.
2988 * stmt.c (expend_expr_stmt): Likewise.
2989 (warn_if_unused_value): Likewise.
2990 (expand_return): Likewise.
2991 * c-parse.in (primary): Likewise.
2992 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
2993 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
2995 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2997 * alias.c (get_alias_set): If compnent is addressable, use alias
2999 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3000 (grokdeclarator): Likewise.
3001 * c-typeck.c (common_type): Likewise.
3003 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3005 * Makefile.in (OBJS): Remove dyn_string.o
3006 (dyn-string.o): Delete rule.
3007 * dyn-string.c: Delete file
3008 * dyn-string.h: Likewise.
3010 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3012 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3015 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3017 * alias.c (record_component_aliases): Don't inspect
3018 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3020 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3022 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3023 it with the pattern to do machine dependent work.
3024 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3025 use it to modify the true/false tests used in conditional
3026 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3027 defined, invoke them if the conversion to conditional execution
3028 was successful or not.
3030 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3031 (IFCVT_MODIFY_INSN): Ditto.
3032 (IFCVT_MODIFY_FINAL): Ditto.
3033 (IFCVT_MODIFY_CANCEL): Ditto.
3035 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3037 * toplev.c (main): Fix misspellings of possibility and language.
3039 2000-06-03 Richard Henderson <rth@cygnus.com>
3041 * alias.c (record_alias_subset): Initialize has_zero_child in the
3044 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3046 * arm.md (untyped_call): Use GEN_CALL macro.
3048 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3050 * Makefile.in: Use $(MAKE) not "make"
3052 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3054 * alias.c (struct alias_set_entry): New field has_zero_child.
3055 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3056 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3058 Call record_component_aliases for aggregate types.
3059 (record_alias_subset): Set has_zero_child.
3060 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3061 TYPE_NONALIASES_COMPONENT.
3062 (record_component_aliases, case RECORD_TYPE): Test
3063 DECL_NONADDRESSABLE_P.
3064 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3065 of TREE_ADDRESSABLE.
3066 * calls.c (initialize_argument_information): Only test
3067 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3068 * function.c (assign_parms): Likewise.
3069 * integrate.c (function_cannot_inline_p): Likewise.
3070 * stor-layout.c (finish_record_layout): Don't call
3071 record_component_aliases.
3072 * tree.h (struct tree_int_cst): Use struct tree_common.
3073 (struct tree_real_cst, struct tree_string): Likewise.
3074 (struct tree_complex, struct tree_identifier): Likewise.
3075 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3076 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3077 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3078 (TYPE_NONALIASES_COMPONENT): New macro.
3079 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3080 (DECL_NONADDRESSABLE_P): New macro.
3081 (struct tree_decl): Reorder bits for clarity of how many left;
3084 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3086 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3087 * mklibgcc.in (force): New target.
3088 Make LIB2ADD stuff depend on it.
3090 2000-06-02 Richard Henderson <rth@cygnus.com>
3092 * alias.c (lang_get_alias_set): Remove.
3093 (get_alias_set): Call it directly, not indirectly.
3094 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3095 * c-common.h (c_get_alias_set): Don't declare.
3096 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3097 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3099 2000-06-02 Bruce Korb <bkorb@gnu.org>
3101 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3102 (server_setup): define the server's master pid
3103 (close_server): actually do the deed IFF we are the server's master
3105 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3107 * c-common.c (c_get_alias_set): Check whether signed_type did not
3108 return its argument before calling get_alias_set on the result.
3110 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3112 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3114 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3116 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3117 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3118 for TARGET_NOMACSAVE.
3119 (NOMACSAVE_BIT): Define.
3120 (TARGET_NOMACSAVE): Define.
3121 (TARGET_SWITCHES): Add "nomacsave".
3123 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3125 * sh.md (untyped_call): Remove excess parameters
3127 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3129 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3130 match that used before the conversion to c_fix style.
3131 * fixinc/fixincl.x: regenerate
3133 2000-06-01 Stan Cox <scox@cygnus.com>
3135 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3136 macro argument typo.
3138 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3140 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3142 * cpplib.c (parse_include): Remove support for VAX-C
3143 "#include starlet" misfeature.
3145 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3147 * cppfiles.c: conditionally define O_BINARY.
3148 (open_include_file): pass O_BINARY to open().
3150 2000-06-01 Richard Henderson <rth@cygnus.com>
3152 * i960.c (i960_br_predict_opcode): Remove.
3153 (i960_print_operand) [+]: Emit branch prediction hints.
3154 (i960_function_arg): Return early for VOIDmode.
3155 (i960_round_align): Return early for incomplete types.
3156 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3157 * i960.md (all conditional branches): Add "%+".
3159 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3161 * alias.c (get_alias_set): Don't call language-specific routine more
3162 than is needed and clean up code a bit.
3163 * c-common.c (c_get_alias_set): All references whose type
3164 is char get alias set 0, but character types need not.
3165 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3166 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3168 2000-06-01 Bruce Korb <bkorb@gnu.org>
3170 * fixinc/tests/base/...: new base result files
3172 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3174 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3175 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3176 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3179 2000-06-01 Richard Henderson <rth@cygnus.com>
3181 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3183 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3185 2000-05-31 Richard Henderson <rth@cygnus.com>
3187 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3188 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3189 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3191 2000-05-31 Richard Henderson <rth@cygnus.com>
3193 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3194 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3195 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3196 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3197 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3199 2000-05-31 Richard Henderson <rth@cygnus.com>
3201 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3203 2000-05-31 Richard Henderson <rth@cygnus.com>
3205 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3207 (find_if_block): Allow THEN with no outgoing edges.
3208 * flow.c (merge_blocks_nomove): Remove a barrier not following
3211 2000-05-31 Richard Henderson <rth@cygnus.com>
3213 * flow.c (propagate_block): Move initialization of mem_set_list ...
3214 (init_propagate_block_info): ... here. Also track blocks with
3215 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3217 2000-05-31 Richard Henderson <rth@cygnus.com>
3219 * jump.c (jump_optimize_1): Revert 05-18 change.
3221 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3223 * invoke.texi: Remove documentation for -fguiding-decls.
3225 2000-05-31 Richard Henderson <rth@cygnus.com>
3227 * configure.in: Fix typo last change.
3229 2000-05-31 Philipp Thomas <pthomas@suse.de>
3231 * configure.in (enable-nls): Enable if build == host, i.e. when
3232 not building a canadian cross compiler.
3233 (enable-maintainer-mode): Added for use with i18n.
3234 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3235 cross section of ALL_LINGUAS and LINGUAS.
3236 * configure: Rebuild.
3238 2000-05-31 Bruce Korb <bkorb@gnu.org>
3240 * fixinc/check.tpl: rework to use test result tree
3241 * fixinc/Makefile.in: change invocation of check script
3242 * fixinc/check.diff: No longer needed
3243 * fixinc/fixincl.x: regenerate
3244 * fixinc/inclhack.def: add new tests
3245 * fixinc/tests/base/arch/i960/archI960.h: New test result
3246 * fixinc/tests/base/curses.h: modified test result
3247 * fixinc/tests/base/stdio.h: ditto
3248 * fixinc/tests/base/time.h: ditto
3249 * fixinc/tests/base/sys/asm.h: ditto
3250 * fixinc/tests/base/sys/stat.h: ditto
3251 * fixinc/tests/base/sys/wait.h: ditto
3253 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3255 * except.c (clear_function_eh_region): Do not free NULL.
3257 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3259 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3260 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3261 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3262 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3263 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3264 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3265 (get_alias_set): Likewise.
3266 Major rework to do more things and allow language-specific code
3267 to just handle special-cases.
3268 (record_alias_subset): Args are HOST_WIDE_INT.
3269 (record_component_alias): Local vars are HOST_WIDE_INT.
3270 Don't handle COMPLEX_EXPR.
3271 (get_varargs_alias_set): Moved from builtins.c.
3272 (get_frame_alias_set): New function.
3273 * builtins.c (expand_builtin_return_address): Use frame alias set.
3274 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3276 (get_memory_rtx): Rework to use set_mem_attributes.
3277 (get_varargs_alias_set): Deleted from here.
3278 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3279 (c_find_base_decl): Deleted from here.
3280 (c_get_alias_set): Remove many cases and rework to just handle
3282 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3283 * c-decl.c (rtl.h, expr.h): Now included.
3284 (init_decl_processing): Call record_component_aliases on array types.
3285 (grokdeclarator): Likewise.
3286 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3287 * c-typeck.c (common_type): Call record_component_aliases for array.
3288 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3289 Set all save areas to the frame alias set.
3290 * calls.c (initialie_argument_information): Call set_mem_attributes.
3291 (compute_argument_addresses, expand_call): Likewise.
3292 * explow.c (set_mem_attributes): New function.
3293 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3294 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3295 LEN and OFFSET now HOST_WIDE_INT.
3296 (clear_by_pieces): Similar changes.
3297 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3298 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3299 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3300 (clear_by_pieces_1): Likewise.
3301 (emit_push_insn): Call set_mem_attributes.
3302 (expand_expr, case INDIRECT_REF): Likewise.
3303 (expand_expr, case VAR_DECL): Call change_address.
3304 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3306 (get_varargs_alias_set, get_frame_alias_set): New decls.
3307 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3308 (new_alias_set, set_mem_attributes): Likewse.
3309 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3310 (assign_stack_temp_for_type): Likewise.
3311 Can split slot even if alias set since can copy.
3312 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3313 (assign_temp): Use host_integerp and tree_low_cst.
3314 (put_var_into_stack): Properly handle SAVE_EXPR.
3315 (put_addressof_into_stack): Likewise.
3316 (assign_parms): Call set_mem_attributes.
3318 (fix_lexical_address): Put reference to chain into frame alias set.
3319 (expand_function_start): Call set_mem_attributes.
3320 * integrate.c (expand_inline_function): Likewise.
3321 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3322 * regmove.c (try_apply_stack_adjustment): Likewise.
3323 * reload.c (push_reload, make_memloc): Likewise.
3324 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3325 * rtl.def (MEM): Update comment.
3326 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3327 (move_by_pieces): Change length to HOST_WIDE_INT.
3328 (record_base_value, record_alias_subset): Delete from here.
3329 * stmt.c (expand_decl): Call set_mem_attributes.
3330 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3331 * toplev.c (compile_file): Call init_alias_once earlier.
3332 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3333 from here: now in alias.c.
3334 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3335 (struct tree_decl): Likewise.
3336 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3337 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3338 (output_constant_def, force_const_mem): Likewise.
3340 * flow.c (propagate_block): If block has no successors, stores to
3341 frame are dead if not used.
3343 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3345 * stmt (expand_end_case): Reorder conversion sequence for jump
3346 table to avoid extra truncations.
3348 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3350 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3351 in the block is more than just a simple conditional branch.
3352 (noce_process_if_block): Similarly.
3354 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3356 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3359 2000-05-30 Michael Meissner <meissner@redhat.com>
3361 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3362 instructions. Treat LO_SUM operations as loading the full integer
3365 2000-05-30 Richard Henderson <rth@cygnus.com>
3367 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3369 2000-05-30 Richard Henderson <rth@cygnus.com>
3371 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3373 2000-05-30 Bruce Korb <bkorb@gnu.org>
3375 * fixinc/tests/*: Added expected result files for fixinc's make check
3376 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3378 2000-05-30 Richard Henderson <rth@cygnus.com>
3380 * config/alpha/alpha.md (*setne_internal): Use match_operator
3381 instead of working down from insn.
3383 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3385 * invoke.texi (-Wtraditional): Update WRT function macros.
3387 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3389 * except.c (free_exception_table): Do not free NULL.
3391 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3393 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3394 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3397 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3399 * flow.c (mark_used_reg): If a register is unconditionally live,
3400 remove any conditional death information.
3402 2000-05-29 Richard Henderson <rth@cygnus.com>
3404 * final.c (current_output_insn): New.
3405 (final_scan_insn): Set it.
3406 * output.h: Declare it.
3408 2000-05-29 Richard Henderson <rth@cygnus.com>
3410 * stor-layout.c (finalize_record_size): Fix typo.
3412 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3415 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3417 * cpplib.h (cpp_reader): Remove if_stack. Change
3418 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3419 * cpphash.h (struct ihash): Change control_macro to a
3420 cpp_hashnode * and shorten name to cmacro.
3421 Add NEVER_REINCLUDE constant.
3423 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3424 Examine the cmacro node directly, no need to call cpp_defined.
3425 (_cpp_execute_include, read_include_file): Set cmacro to
3426 NEVER_REINCLUDE, not U"".
3427 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3428 (cpp_get_token): If pfile->skipping is true, discard text and
3429 keep scanning until we hit a directive; don't expand macros.
3431 * cpplib.c (struct if_stack): Remove if_succeeded, add
3432 was_skipping. Change control_macro to a cpp_hashnode * and
3433 shorten name to cmacro. Remove typedef IF_STACK.
3434 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3435 (conditional_skip, skip_if_group,
3436 consider_directive_while_skipping): Delete.
3437 (push_conditional): New.
3438 (_cpp_handle_directive): Don't process directives other than
3439 conditionals if we are skipping.
3441 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3442 Update to new scheme.
3443 (validate_else): Skip rest of line here, unconditionally.
3444 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3445 pfile->skipping off.
3447 (all): Remove `scare quotes' from error messages.
3449 2000-05-29 Richard Henderson <rth@cygnus.com>
3451 * function.c (emit_return_into_block): New line_note arg; emit it.
3452 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3453 for the close brace to accompany HAVE_return. Move all line notes
3454 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3456 2000-05-29 Richard Henderson <rth@cygnus.com>
3458 * longlong.h [__alpha] (count_leading_zeros): New.
3459 (count_trailing_zeros): New.
3460 (COUNT_LEADING_ZEROS_0): New.
3462 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3463 (alpha_split_conditional_move): New.
3464 * config/alpha/alpha-protos.h: Prototype them.
3465 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3466 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3467 * config/alpha/alpha.md: Update ffs cix commentary.
3469 (*nabssf2, *nabsdf2): New.
3470 (*mov[qhsd]icc_internal): Use add_operand.
3471 (if_then_else constant splitters): New.
3472 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3473 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3475 2000-05-29 Richard Henderson <rth@cygnus.com>
3477 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3478 a constant to NEG or NOT when conditions allow.
3480 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3481 unless both args are general_operand. Don't canonicalize plus
3482 to ior unless it helps.
3484 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3485 instead track register_life_up_to_date. Toggle no_new_pseudos
3488 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3490 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3491 so output_operand doesn't see them.
3493 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3495 * lcm.c (make_preds_opaque): Fix comment.
3496 (optimize_mode_switching): Use NORMAL_MODE instead of
3497 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3498 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3499 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3500 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3501 (MODE_USES_IN_EXIT_BLOCK): Delete.
3502 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3503 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3504 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3505 (MODE_NEEDED): Don't look for USE.
3506 (EPILOGUE_USES): Define.
3508 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3510 * mklibgcc.in (all): Variable initialised to `libgcc'.
3512 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3514 * toplev.h (skip_leading_substring): New macro.
3515 * toplev.c (decode_f_option): Use skip_leading_substring instead
3517 (decode_W_option): Likewise.
3519 2000-05-28 Nick Clifton <nickc@cygnus.com>
3521 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3524 2000-05-28 Richard Henderson <rth@cygnus.com>
3526 * regclass.c (record_operand_costs): Protect reg_changes_size
3527 with CLASS_CANNOT_CHANGE_SIZE.
3529 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3531 2000-05-28 Richard Henderson <rth@cygnus.com>
3533 * function.c (diddle_return_value): A pcc-style struct return
3536 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3538 * cppfiles.c: Read files in, using mmap if possible, then
3539 prescan them separately.
3540 (read_file, read_with_read): New functions.
3541 * cpplex.c: Don't define UCHAR_MAX.
3542 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3545 * cppinit.c (handle_option): Automatically define __cplusplus,
3546 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3547 the respective -lang switch.
3549 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3550 prototype): Move to...
3551 * cpplib.h: ... here. Rename struct hashnode to struct
3552 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3553 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3555 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3557 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3559 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3560 (class_can_change_size): New variable.
3561 (reg_changes_size): New variable.
3562 (init_reg_sets_1): Initialise class_can_change_size.
3563 (record_operand_costs): Remove subreg_changes_size.
3564 Don't pass it around. Instead update reg_changes_size.
3565 (regclass): Initialise and free reg_changes_size. If a register
3566 changes size, don't preference it to a class that contains
3567 registers that can't change size.
3568 (record_reg_classes): Don't look at subreg_changes_size.
3570 2000-05-27 Richard Henderson <rth@cygnus.com>
3572 * print-rtl.c (reg_names): Remove const.
3573 * regclass.c (reg_names): Likewise.
3574 * regs.h (reg_names): Likewise.
3575 * hard-reg-set.h (reg_names): Likewise.
3577 2000-05-27 Richard Henderson <rth@cygnus.com>
3579 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3581 2000-05-27 Richard Henderson <rth@cygnus.com>
3583 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3584 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3585 (alpha_expand_prologue): Emit prologue_mcount if needed.
3586 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3587 * config/alpha/alpha.md (prologue_mcount): New.
3588 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3589 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3590 * config/alpha/netbsd.h: Likewise.
3592 2000-05-27 Richard Henderson <rth@cygnus.com>
3594 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3595 change to config/elfos.h.
3597 2000-05-27 Richard Henderson <rth@cygnus.com>
3599 * Makefile.in (resource.o): Depend on except.h.
3600 * except.h (output_exception_table_data): Prototype.
3601 * genconfig.c (gen_peephole2): Prototype.
3602 * genemit.c (main): Include ggc.h.
3603 * genoutput.c: Revert parts of last change: include errors.h
3604 (main): Set progname.
3605 * recog.c: Include hard-reg-set.h before recog.h.
3606 * resource.c: Include except.h.
3608 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3610 (alpha_write_linkage): Protect with BUFSIZ.
3611 (alpha_need_linkage): Update prototype.
3612 * config/alpha/alpha.c (function_arg): Move VMS code here.
3613 (alpha_links_base): Remove.
3615 (mark_alpha_links_node, mark_alpha_links): New.
3616 (alpha_write_one_linkage): New.
3617 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3618 (alpha_write_linkage): Use splay_tree_foreach.
3619 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3620 to get the linkage symbol.
3621 (call_value_vms): Likewise.
3622 * config/alpha/elf.h (output_file_directive): Remove decl.
3623 (ctors_section, dtors_section): Prototype.
3624 (sbss_section, sdata_section): Prototype.
3625 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3626 (readonly_section, link_section, literals_section): Prototype.
3627 (ctors_section, dtors_section): Prototype.
3628 (vms_valid_decl_attribute_p): Remove decl.
3629 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3631 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3633 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3635 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3636 substituting the REG in a (subreg:X (reg:Y ...)).
3638 2000-05-28 Neil Booth <NeilB@earthling.net>
3640 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3641 first token of a line BOL. Update EOF code for this.
3642 Remove illegal directive check - it appears in the (not
3643 yet committed) caller.
3644 * cpplib.h (BOL): New flag.
3646 2000-05-28 Neil Booth <NeilB@earthling.net>
3648 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3649 (_cpp_free_toklist): No comment space to free.
3650 (expand_comment_space): Remove.
3651 (save_comment_space): Place the comment in the current token and
3652 not in a separate comment space.
3653 (_cpp_lex_line): Save comments during plain code and #define
3655 * cpplib.h (struct _cpp_toklist): Remove comment space.
3657 2000-05-28 Neil Booth <NeilB@earthling.net>
3659 * cppexp.c (parse_assertion): Supply extra argument to
3661 * cpplib.c (do_assert, do_unassert): Similarly.
3662 * cpphash.h (_cpp_init_toklist) Update.
3663 (_cpp_expand_token_space): New.
3664 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3665 * cpplex.c (_cpp_init_toklist): New argument.
3666 (parse_string2): New argument multiline_ok.
3667 (spell_token): Take a const cpp_token *.
3668 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3669 (SPELL_ macros): Replace with enum.
3670 (expand_token_space): Replace with _cpp_expand_token_space.
3671 Take COUNT argument.
3672 (IS_DIRECTIVE): Update.
3673 (_cpp_lex_line): Update token structure before parsing number.
3674 Don't assume start at beginning of token list.
3675 (save_comment): Use INIT_TOKEN_NAME.
3677 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3679 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3680 -Wmissing-prototypes.
3681 * configure: Regenerate.
3682 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3684 * builtins.c, calls.c: Change all instances of gen_call_* or
3685 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3686 * calls.c (struct_value_size_rtx): Separate definition from
3687 initialization to avoid unused variable warning.
3689 * genflags.c (gen_macro): New function.
3690 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3691 (gen_nonproto): Delete.
3692 (gen_insn): Put all insns on the same obstack.
3693 (main): Generate prototypes for everything unconditionally.
3695 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3696 out check for wchar_t.
3697 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3698 * system.h: Add infrastructure for defining missing
3699 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3700 definitions of UCHAR_MAX and SSIZE_MAX.
3701 * configure: Regenerate.
3702 * config.in: Regenerate.
3704 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3705 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3707 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3708 libgcc2.a, or libgcc1.null.
3710 2000-05-27 Richard Henderson <rth@cygnus.com>
3712 * Makefile.in (recog.o): Don't depend on resource.h.
3713 * recog.c: Don't include resource.h.
3714 (recog_last_allowed_insn): Remove.
3715 (recog_next_insn): Remove.
3716 (struct peep2_insn_data): New.
3717 (peep2_insn_data, peep2_current): New.
3718 (peep2_next_insn): New.
3719 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3720 (peep2_find_free_register): New.
3721 (peephole2_optimize): Track life information by insn as we go.
3722 * recog.h: Update declarations.
3723 * resource.c (find_free_register, reg_dead_p): Remove.
3724 * resource.h: Remove their declarations.
3725 * toplev.c: Include hard-reg-set.h before recog.h.
3727 * genconfig.c (max_insns_per_peep2): New.
3728 (gen_peephole2): New.
3730 * genemit.c (output_peephole2_scratches): Generate calls to
3731 peep2_find_free_register; adjust surrounding code.
3732 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3733 * genrecog.c (change_state): Don't track last_insn.
3734 (write_action): Write into *_pmatch_len before accepting.
3735 (write_tree): Adjust peephole2_insns and subroutines to match.
3737 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3739 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3740 (hard_int_register_operand): New.
3741 * config/alpha/alpha-protos.h: Declare it.
3742 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3743 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3744 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3746 2000-05-27 Richard Henderson <rth@cygnus.com>
3748 * function.c (thread_prologue_epilogue_insns): Don't move the
3749 line note at the head of the chain. Only force a lineno note
3750 before the end of block 0.
3752 2000-05-27 Richard Henderson <rth@cygnus.com>
3754 * gensupport.c (collect_insn_data): Record the maximum number
3755 of alternatives, not the last seen.
3757 * genoutput.c: Don't include errors.h.
3758 (struct data): Add lineno member.
3760 (scan_operands): Use message_with_line instead of error.
3761 (validate_insn_alternatives): Likewise.
3762 (gen_insn): Accept and store the pattern's line number.
3763 (gen_peephole, gen_expand, gen_split): Likewise.
3764 (main): Don't set progname. Pass line_no to gen_foo.
3766 2000-05-27 Richard Henderson <rth@cygnus.com>
3768 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3769 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3770 * config/d30v/d30v.md (attr predicable): New.
3771 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3772 (andsi3*): Unify into one pattern.
3773 (iorsi3*, xorsi3*): Likewise.
3774 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3776 (old cond_exec patterns): Remove.
3777 (define_cond_exec): New.
3779 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3781 * tree.h (TREE_CODE_LENGTH): New macro.
3782 * c-common.c (c_find_base_decl): Use it.
3783 * expr.c (safe_from_p): Likewise.
3784 * print-tree.c (print_node): Likewise.
3785 * tree.c (make_node, copy_node, get_identifier): Likewie.
3786 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3787 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3788 * fold-const.c (make_range): Likewise.
3789 (fold): Likewise; also use first_rtl_op.
3790 * c-iterate.c (collect_iterators): Use first_rtl_op.
3791 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3792 Use IS_EXPR_CODE_CLASS.
3793 (preexpand_calls): Likewise.
3794 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3795 and TREE_CODE_LENGTH.
3796 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3798 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3800 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3802 (movdi_internal64): Likewise.
3804 * config/rs6000/rs6000.md: Correct order of operands for DImode
3807 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3808 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3809 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3810 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3811 boolean_operator for the boolean patterns without NOTs.
3813 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3814 from reg_or_u_cint_operand. Change comment and behaviour.
3815 (logical_operand): Clean up, add assertion.
3816 (non_logical_cint_operand): Also check for
3817 reg_or_logical_cint_operand.
3818 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3819 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3825 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3827 * tree.h (struct record_layout_info): Rename to (struct
3828 record_layout_info_s).
3829 * stor-layout.c (start_record_layout): Replace
3830 `record_layout_info' with `record_layout_info_s'.
3832 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3834 * flow.c (find_label_refs): New function.
3835 (find_basic_blocks_1): Call it for each alternative of a call
3838 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3840 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3843 2000-05-25 Richard Henderson <rth@cygnus.com>
3845 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3846 so strict about DImode.
3847 (alpha_swapped_comparison_operator): Likewise.
3848 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3849 any integer output mode.
3850 (*setcc_internal): Likewise.
3851 (*setcc_swapped_internal): Likewise.
3852 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3853 (*mov[qhs]icc_internal): New.
3854 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3856 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3858 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3860 2000-05-25 Richard Henderson <rth@cygnus.com>
3862 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3863 Remove add_jump; add next; replace flags with visited.
3865 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3866 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3867 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3868 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3870 (reorder_index, reorder_last_visited): Remove.
3871 (skip_insns_after_block): Rewrite to use a switch.
3872 (get_common_dest): Remove.
3873 (chain_reorder_blocks): Remove.
3874 (record_effective_endpoints): Split out from reorder_basic_blocks.
3875 (make_reorder_chain): Likewise. Loop until all blocks are placed.
3876 (make_reorder_chain_1): Renamed from old make_reorder_chain.
3877 Only construct the reorder chain, do not move insns. Try harder
3879 (label_for_bb, emit_jump_to_block_after): New.
3880 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
3881 and adjust the jump insns appropriately. Fixup basic_block_info.
3882 (verify_insn_chain): Always define.
3883 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
3885 (make_new_scope): Don't write zeros to calloc'd space.
3886 (build_scope_forest): Rely on xrealloc to DTRT.
3887 (reorder_basic_blocks): Don't build loop nest. Don't fail if
3888 profile_arc_flag. Streamline EH test.
3890 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
3891 * basic-block.h: Declare them.
3893 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
3895 * emit-rtl.c (reset_used_decls): New function.
3896 (unshare_all_rtl_again): Call it.
3898 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
3900 * cpplex.c (maybe_macroexpand): Warn about function-like
3901 macros used in non-function context, if -Wtraditional.
3903 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3905 * recog.c (peephole2_optimize): Use INSN_P.
3907 2000-05-25 Richard Henderson <rth@cygnus.com>
3909 * ifcvt.c (seq_contains_jump): New.
3910 (noce_try_store_flag_constants): Use it to fail conversion.
3911 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
3913 2000-05-25 Mark Mitchell <mark@codesourcery.com>
3915 * except.h (can_throw): Declare it.
3916 * except.c (can_throw): Give it external linkage.
3917 * resource.c (find_dead_or_set_registers): Use can_throw.
3919 2000-05-25 Richard Henderson <rth@cygnus.com>
3921 * flow.c (mark_set_1): Don't record conditionally dead memory.
3923 2000-05-25 Jan Hubicka <jh@suse.cz>
3925 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
3926 and pc_set at the place of simplejump_p and condjump_p.
3927 * cse.c (record_jump_equiv): Likewise.
3928 * emit-rtl.c (emit): Likewise.
3929 * explow.c (find_next_ref): Likewise.
3930 * flow.c (tidy_fallthru_edge): Likewise.
3931 (init_propagate_block_info): Likewise.
3932 * gcse.c (delete_null_pointer_checks): Likewise.
3933 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
3934 dead_or_predicable): Likewise.
3935 * integrate.c (copy_insn_list): Likewise.
3936 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
3937 for_each_insn_in_loop, check_dbra_loop, get_condition,
3938 insert_bct, load_mems): Likewise.
3939 * resource.c (find_dead_or_set_registers): Likewise.
3940 * sibcalls.c (simplejump_p): Likewise.
3941 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
3943 2000-05-25 David Edelsohn <edelsohn@gnu.org>
3945 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
3946 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
3948 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
3949 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
3950 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
3951 * rs6000.md: Name various internal patterns.
3953 2000-05-25 Jan Hubicka <jh@suse.cz>
3955 * jump.c (invert_exp_1): Remove first argument, use pc_set
3956 to get the expression.
3957 (redirect_exp): Make static; redirect only the pc_set expression,
3958 remove first argument.
3959 (invert_exp): Remove first argument, make static.
3960 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
3961 any_onlyjump at most places where we originaly did condjump_p
3963 (jump_back_p, follow_jumps, thread_jumps): Likewise.
3964 (delete_barrier_succesors): Use pc_set.
3965 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
3966 calls of invert_exp and redirect_exp.
3967 * rtl.h (redirect_exp, invert_exp): Remove.
3968 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
3970 2000-05-25 Richard Henderson <rth@cygnus.com>
3972 * stmt.c (expand_end_bindings): Fix thinko last change.
3974 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
3975 Andrew Haley <aph@cygnus.com>
3977 * except.c (func_eh_entry): Add emitted field.
3978 (new_eh_region_entry): Set emitted field to 0;
3979 (output_exception_table_entry): Only emit previously un-emitted data,
3980 and send it to the eh_data section.
3981 (output_exception_table): Break out common parts. Output
3982 exception table for entire compilation unit to eh_data section.
3983 (output_exception_table_data): Common parts of output_exception_table.
3984 Send output to eh_data section.
3985 (output_function_exception_table): Output exception table data for
3986 a single function to eh_data section.
3987 (free_exception_table): New external to free the table.
3988 * except.h (free_exception_table): Add prototype.
3989 (output_function_exception_table): Add prototype.
3990 * final.c (final_end_function): Output function exception table
3991 for IA64_UNWIND_INFO.
3992 (final_scan_insn): Emit any unwind directives for an insn.
3994 * frame-dwarf2.c: New file containing all DWARF 2 specific code
3996 * frame.c: Remove all DWARF 2 specific code.
3997 * config/ia64/frame-ia64.c: New file.
3998 (gthread_stuff): Make all gthread available with
4000 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4001 (__register_frame_info, __register_frame): Move to common area of file.
4002 (__register_frame_info_table, __register_frame_table): Move to common i
4004 (__deregister_frame_info, __deregister_frame): Move to common area.
4005 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4006 (read_uleb128): New version for ia64.
4007 (get_unwind_record): Read the next IA-64 unwind record.
4008 (read_R_record): Read a region header record.
4009 (process_a_b_reg_code): X record helper.
4010 (read_X_record): Read an X format record.
4011 (read_B_record): Read a B format record.
4012 (P3_record_types): List of record types matching the P3 format.
4013 (P7_record_types): List of record types matching the P7 format.
4014 (P8_record_types): List of record types matching the P8 format.
4015 (read_P_record): Read a P format record.
4016 (init_ia64_reg_loc): Set default fields for a register.
4017 (init_ia64_unwind_frame): Set defaults for all register records.
4018 (execute_one_ia64_descriptor): Execute one descriptor record.
4019 (rse_address_add): Calculate the position of a local reg in memory.
4020 (normalize_reg_loc): Turn a location descriptor into a memory address.
4021 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4022 within a specified PC offset range.
4023 (get_real_reg_value): Given a register location, retrieve its value.
4024 (set_real_reg_value): Change the value of a register location.
4025 (copy_reg_value): Copy reg values, if needed.
4026 (copy_saved_reg_state): Copy all registers that need to be copied.
4027 (process_state_between): Normalize all frame register records that
4028 fall within the specified PC range.
4029 (frame_translate): Take a processed frame description, and turn
4030 everything into addresses.
4031 (build_ia64_frame_state ): Find and create frame state record for a PC.
4032 (get_personality): Get the personality routine for a given frame.
4033 (get_except_table): Get the exception table for a given frame.
4034 (record_name): Unwind record names for debugging.
4035 (print_record): Print and unwind record.
4036 (print_all_records): Print an entire unwind image.
4037 (__ia64_backtrace): Print a backtrace.
4038 (ia64_backtrace_helper): New function.
4039 (__register_frame_info_aux): New function.
4040 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4042 * frame.h (enum unw_record_type): New unwind record types.
4043 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4044 (struct unw_r_record, unwind_record): New unwind record structs.
4045 (struct unwind_info_ptr): Unwind information layout.
4046 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4048 (struct ia64_reg_loc): Register location description.
4049 (struct ia64_frame_state): Location of all registers in a frame.
4050 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4051 * libgcc2.c (__ia64_personality_v1): Personality routine.
4052 (__calc_caller_bsp): Calculate the bsp register for the caller's
4054 (ia64_throw_helper): Figure out who to return to and set up the
4056 (__throw): Throw routine.
4058 * output.h (assemble_eh_align, assemble_eh_label): New functions
4059 to generate EH info where we want it.
4060 (assemble_eh_integer): New function.
4061 * toplev.c (compile_file): Output module level exception table for
4063 (main): Set exceptions_via_longjump and flag_new_exceptions based
4064 on IA64_UNWIND_INFO too.
4066 * varasm.c (assemble_eh_label): Generate a label via
4067 ASM_OUTPUT_EH_LABEL if it has been specified.
4068 (assemble_eh_align): Generate an alignment directive via
4069 ASM_OUTPUT_EH_ALIGN if it has been specified.
4070 (assemble_eh_label): Generate an integer value via
4071 ASM_OUTPUT_EH_type if they have been specified.
4072 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4073 (ia64_init_builtins): Add __builtin_ia64_bsp
4074 and __builtin_ia64_flushrs.
4075 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4076 IA64_BUILTIN_FLUSHRS.
4077 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4078 IA64_BUILTIN_FLUSHRS.
4080 * config/ia64/ia64.md (flushrs): New insn to flush the register
4081 stack. Add to unspec list.
4083 * config/ia64/crtbegin.asm (frame_object): Change size.
4084 (__do_frame_setup_aux): New function.
4085 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4086 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4087 * Makefile.in (LIB2ADDEH): Add.
4088 (LIB2ADD): Use LIB2ADDEH.
4090 2000-05-24 Richard Henderson <rth@cygnus.com>
4092 * recog.c (offsettable_address_p): If mode size is zero, assume
4095 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4097 * configure.in: Check for -Wno-long-long option support and improve
4098 handling of warning CFLAGS for stages 1 and 2.
4099 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4100 * configure: Regenerate.
4102 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4104 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4105 * contrib.texi: New file.
4107 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4109 * loop.c (basic_induction_var): Avoid double recording of an increment.
4111 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4113 * Back out this patch:
4114 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4115 * loop.h (struct induction): Add multi_insn_incr.
4116 * loop.c (basic_induction_var): New multi_insn_incr argument.
4117 Set it if we search back through previous insns for the biv.
4118 (record_biv): New multi_insn_incr argument; fill in struct induction.
4119 (strength_reduce): Discard an iv with multiple bivs, any of
4120 which require multiple insns to increment.
4122 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4124 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4126 * rtl.h (loc_mentioned_in_p): Declare.
4127 * reload.c (loc_mentioned_in_p): Moved from here...
4128 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4129 Fix loop increment for 'E' handling.
4130 * loop.c (strength_reduce): When doing biv->giv conversion,
4131 take multi-insn biv increments into account.
4133 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4135 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4138 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4140 * calls.c (expand_call): Handle cleanups in tail-recursion
4141 arguments analagously to cleanups in sibling calls.
4143 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4145 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4146 All callers changed.
4148 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4150 * expr.c (expand_assignment, store_expr, expand_expr,
4151 expand_expr_unaligned): Set in_check_memory_usage while emitting
4152 chkr_check_addr libcall.
4154 2000-05-24 Nick Clifton <nickc@cygnus.com>
4156 * fold-const.c (extract_muldiv): When constructing a
4157 multiplier/divisor, do not expect const_binop to correctly
4158 determine if overflow has occured, so check explicitly.
4160 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4162 * c-decl.c (build_enumerator): Don't modify the value's type,
4165 2000-05-24 Andreas Jaeger <aj@suse.de>
4167 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4169 2000-05-24 Eric Christopher <echristo@cygnus.com>
4171 * configure.in: Redefine inhibit_libc conditions.
4172 * libgcc2.c: Remove inhibit_libc conditional define.
4173 * configure: Regenerate.
4175 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4177 * configure.in: For --enable-languages=LIST, check for empty LIST.
4178 * configure: Regenerate.
4180 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4182 * pdp11.h (STACK_BOUNDARY): Define.
4184 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4186 * ifcvt.c (if_convert): Update life info globally.
4188 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4190 * emit-rtl.c (unshare_all_decls): New function.
4191 (unshare_all_rtl): Call it.
4193 2000-05-23 Nick Clifton <nickc@cygnus.com>
4195 * configure.in: Treat 'strongarm' as if it were 'arm' when
4196 determining cpu type.
4198 * configure: Regenerate.
4200 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4201 where constant strings are involved.
4203 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4206 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4207 cases where constant strings are involved.
4209 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4211 * config/sh/sh.c (gen_far_branch, split_branches): Update
4212 to reflect new prototypes for redirect_jump and invert_jump.
4213 (sh_insn_length_adjustment): Get rid of const warnings.
4215 2000-05-23 Kazu Hirata <kazu@hxi.com>
4217 * invoke.texi (Options for Debugging Your Program or GCC): Update
4218 the names of dump files.
4220 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4222 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4223 * configure: Regenerated.
4225 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4227 * simplify-rtx.c (SIGN_EXTEND): New macro.
4228 (simplify_unary_operation, simplify_binary_operation,
4229 simplify_relational_operation): Use SIGN_EXTEND. Make low
4230 halves of (low, high) pairs unsigned if they weren't already.
4231 (simplify_ternary_operation): Cast INTVAL to unsigned before
4232 comparing to a MODE_BITSIZE.
4234 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4236 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4237 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4239 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4240 gcc_AC_NEED_DECLARATIONS.
4242 * dwarfout.c: Don't prototype time().
4244 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4246 * system.h: Likewise.
4248 * toplev.c: Likewise.
4250 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4252 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4254 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4256 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4258 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4260 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4262 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4264 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4265 (alpha_start_function): Never write ..ng label if VMS or NT.
4266 (alpha_align_insns): Remove GP_IN_USE arg.
4267 Alignment now unsigned.
4268 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4269 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4270 and two define_insn's.
4272 2000-05-22 Richard Henderson <rth@cygnus.com>
4274 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4276 2000-05-22 Richard Henderson <rth@cygnus.com>
4278 * stor-layout.c (place_field): Change rli->size to rli->offset.
4280 2000-05-22 Richard Henderson <rth@cygnus.com>
4282 * function.c (thread_prologue_and_epilogue_insns): Make sure
4283 existing line number notes appear after the prologue.
4285 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4287 * config/alpha/alpha.c (alpha_fnname): New static variable.
4288 (print_operand, case '~'): New case.
4289 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4290 (alpha_start_function): Set alpha_fnname.
4291 Write "ng" label if no ldgp; don't write ldgp insn.
4292 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4293 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4295 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4297 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4300 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4302 * varasm.c (eh_frame_section): Revert change to argument list.
4304 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4306 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4307 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4309 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4310 dangling "else" that causes "break" to be conditional.
4311 Also remove unneeded code at start.
4313 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4315 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4316 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4317 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4319 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4321 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4324 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4326 * alias.c (record_component_aliases): New function.
4327 * tree.h: Clean up some declarations and comments.
4328 (record_component_aliases): New declaration.
4329 * tree.c (get_alias_set): If type and has alias set, use it.
4331 2000-05-22 Richard Henderson <rth@cygnus.com>
4333 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4334 IF_THEN_ELSE to a setcc form.
4335 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4337 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4339 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4340 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4342 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4344 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4347 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4349 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4350 * config/mn10300/mn10300.c (print_operand): Likewise.
4352 * final.c (split_double): Right shift of negative values is not
4355 * ifcvt.c (if_convert): Scan and kill dead code.
4357 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4359 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4361 * diagnostic.c: Eliminate implicit int.
4362 * except.c, gcc.c: Add static prototypes.
4363 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4364 * gensupport.c (process_rtx): Use XVEC to initialize vector
4367 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4368 debug_reg_names instead of static reg_names. If not, define
4370 * regclass.c: Don't define global reg_names unless
4371 DEBUG_REGISTER_NAMES is defined.
4373 * reload1.c (order_regs_for_reload): Remove unused variable.
4374 * varasm.c: Include output.h after defaults.h. Define
4375 eh_frame_section as function of no args, not of unspecified args.
4377 * gcc.c: Constify argbuf; arguments to store_arg,
4378 process_command, main; elements of struct command and struct
4379 switchstr; local variables in execute, process_command, main.
4381 2000-05-20 Bruce Korb <bkorb@gnu.org>
4383 * fixinc/inclhack.def: many applications of c_fix=format + tests
4384 * fixinc/check.diff: regenerated
4385 * fixinc/fixincl.x: regenerated
4387 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4389 * alias.c: Clarify some comments.
4390 (record_base_value): REGNO is unsigned.
4391 * rtl.h (record_base_value): Likewise.
4393 * alias.c (aliases_everything_p): Don't special-case QImode here.
4394 * c-common.c (c_get_alias_set): Do it here.
4395 Handle BIT_FIELD_REF by getting alias info for arg.
4398 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4400 * mklibgcc.in: Restore rule to create ${dir}.
4402 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4404 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4405 GCC_FOR_TARGET used by MULTILIBS.
4406 * mklibgcc.in: Make sure each .o file depends on the
4407 directory it will be in.
4408 Make the multilib directory depends libgcc.
4410 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4412 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4414 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4416 * fold-const.c (make_range): Handle degenerated intervals.
4417 Fixes c-torture/execute/991221-1.c
4419 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4421 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4422 * reload.c (find_equiv_reg): Likewise.
4423 * alias.c (init_alias_analysis): Likewise.
4424 Only call prologue_epilogue_contains on insns.
4425 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4426 * bb-reorder.c (hard-reg-set.h): Include earlier.
4427 * haifa-sched.c (hard-reg-set.h): Likewise.
4428 * ifcvt.c (hard-reg-set.h): Likewise.
4429 * local-alloc.c (hard-reg-set.h): Likewise.
4430 * loop.c (hard-reg-set.h): Likewise.
4431 * predict.c (hard-reg-set.h): Likewise.
4432 * regrename.c (hard-reg-set.h): Likewise.
4433 * flow.c (hard-reg-set.h): Likewise.
4434 (reg_set_to_hard_reg_set): New function.
4435 * bitmap.c (regs.h, basic-block.h): No longer include.
4436 (bitmap.h): Now include.
4437 * conflict.c (hard-reg-set.h): Include.
4438 * profile.c (hard-reg-set.h): Likewise.
4439 * print-rtl.c (hard-reg-set.h): Likewise.
4440 * sbitmap.c (hard-reg-set.h): Likewise.
4441 * toplev.c (hard-reg-set.h): Likewise.
4442 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4443 * hard-reg-set.h (reg_names): Now constant.
4444 * regs.h (reg_names): Likewise.
4445 * regclass.c (reg_names): Likewise.
4446 * loop.h (basic-block.h): No longer include.
4447 (bitmap.h): Now include.
4448 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4449 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4450 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4452 2000-05-19 Jan Hubicka <jh@suse.cz>
4453 Richard Henderson <rth@cygnus.com>
4455 * basic-block.h (struct edge_def): New field "count".
4456 (struct basic_block_def): Likewise.
4457 * flow.c (entry_exit_blocks): Add count fileds.
4458 (split_edge): Keep count information up-to-date.
4459 (dump_edge_info, dump_flow_info): Dump count fields.
4461 * final.c (count_instrumented_edges): Rename to edge from arc.
4462 (end_final): Update users.
4463 * profile.c: Include expr.h, basic-block.h.
4464 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4465 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4466 (ignore_next_note, return_label_execution_count): Kill.
4467 (bbg_file_name, da_file_name): Kill.
4468 (edge_info, bb_info): New structures.
4469 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4470 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4471 (total_num_edges_instrumented): Likewise.
4472 (init_arc, expand_spanning_tree): Kill.
4473 (fill_spanning_tree, tablejump_entry_p): Kill.
4474 (instrument_edges): Rewrite from instrument_arcs to use
4475 commit_edge_insertions infrastructure.
4476 (compute_branch_probabilities): Remove arguments; rewrite for
4477 CFG infrastructure; use rtl_dump_file directly.
4478 (branch_prob, find_spanning_tree): Likewise.
4479 (union_groups, find_group): New.
4480 (init_branch_prob): Make bbg_file_name and da_file_name local.
4481 (end_branch_prob): Use rtl_dump_file directly.
4482 (init_edge_profiler): Rename to edge from arc.
4483 (output_arc_profiler): Kill.
4484 (gen_edge_profiler): New.
4485 (output_func_start_profiler): Turn off profiling. Make the
4486 constructor static when we can.
4487 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4489 * toplev.c (DFI_flow): Remove.
4490 (DFI_cfg, DFI_life): New.
4491 (dump_file): Update accordingly.
4492 (compile_file): Call end_branch_prob if profile_arc_flag too.
4493 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4494 profiling after the CFG is built. Move flow1 life analysis to
4495 DFI_life. Always estimate remaining probabilities.
4497 2000-05-19 Richard Henderson <rth@cygnus.com>
4499 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4501 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4503 2000-05-19 Richard Henderson <rth@cygnus.com>
4505 * jump.c (redirect_jump): Add delete_unused argument. Don't
4506 remove labels and code following when LABEL_NUSES goes to zero.
4507 (invert_jump): Likewise.
4508 (jump_optimize_1): Fix redirect/invert arguments.
4509 (do_cross_jump, thread_jumps): Likewise.
4510 * flow.c (split_edge): Likewise.
4511 * reorg.c (optimize_skip): Likewise.
4512 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4513 * profile.c (instrument_arcs): Likewise.
4514 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4515 * rtl.h: Update prototypes.
4517 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4519 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4521 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4524 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4526 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4527 past l1 when deleting whitespace and markers.
4529 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4530 * cpplib.c (do_unassert): Put the list to compare against on
4533 2000-05-19 Bruce Korb <bkorb@gnu.org>
4535 * fixinc/README: cleaned up old documentation
4536 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4537 * fixinc/check.tpl: compute the list of needed directories
4538 emit "#if defined(name)" because of conflict
4539 omit machine name differences from output differences
4540 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4541 (machine_name): change test text to use `sed' markers
4542 * fixinc/fixincl.x: regen
4544 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4546 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4549 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4551 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4552 it to match the current practice.
4554 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4556 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4558 2000-05-18 Richard Henderson <rth@cygnus.com>
4560 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4561 * rtl.h (insn_dependant_p): Declare it.
4562 * loop.c (strength_reduce): Use it.
4564 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4566 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4567 16-bit and 64-bit clean-up.
4569 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4571 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4572 * configure: Rebuilt.
4574 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4576 * genopinit.c: Use $ for escape sequences in optab patterns.
4577 Remove backslashes from optab patterns. Change $A, $B, $C to
4578 expand to (int) whatever instead of just whatever; remove
4579 explicit (int) from all optab patterns.
4581 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4582 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4583 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4584 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4587 2000-05-18 Richard Henderson <rth@cygnus.com>
4589 * jump.c (jump_optimize_1): Base minimum insn count during
4590 find_cross_jump on BRANCH_COST.
4592 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4594 * print-rtl.c (print_rtx): Only print note line number as string
4595 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4596 * final.c (final_scan_insn): Do nothing for note line number 0.
4598 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4600 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4601 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4602 NOTE_INSN_DELETED_LABEL.
4604 2000-05-18 Nick Clifton <nickc@cygnus.com>
4606 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4607 uninitialised data in .rodata not .bss, and do not interpret an
4608 error in the initialisation value as meaning that the variable
4609 should be placed in the .bss section.
4611 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4613 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4614 not `$ac_cv_prog_cc_cc_c_o'.
4615 * configure: Regenerated.
4617 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4618 Richard Henderson <rth@cygnus.com>
4620 * c-common.h (enum c_tree_index): Add g77 type entries.
4621 (g77_integer_type_node, g77_uinteger_type_node): New.
4622 (g77_longint_type_node, g77_ulongint_type_node): New.
4623 * c-decl.c (init_decl_processing): Initialize them.
4625 2000-05-18 Richard Henderson <rth@cygnus.com>
4627 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4629 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4630 (small_power_of_two): Likewise; use exact_log2.
4631 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4632 (output_adds_subs): Remove.
4633 (two_insn_adds_subs_operand): New.
4634 (split_adds_subs): New.
4635 * config/h8300/h8300-protos.h: Update.
4636 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4637 (CONST_OK_FOR_L): Match strict adds operands.
4638 (CONST_OK_FOR_N): Match struct subs operands.
4639 * config/h8300/h8300.md (adds_subs insns): Remove.
4640 (addhi patterns): Output adds/subs directly.
4641 (addsi_h8300h): Likewise.
4642 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4644 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4646 * cppexp.c (parse_assertion): New.
4647 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4648 (_cpp_parse_expr): Remove case '#'. Don't set
4649 parsing_if_directive.
4650 * cpphash.c (collect_objlike_expansion,
4651 collect_funlike_expansion, collect_params,
4652 _cpp_create_definition): The list no longer has a trailing
4654 * cpphash.h (enum node_type): Add T_ASSERTION.
4655 (struct hashnode): Remove aschain, add pred.
4656 (struct predicate): New.
4659 * cpplex.c (expand_token_space): Handle both offset and
4661 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4662 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4663 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4664 _cpp_equiv_toklists): New.
4665 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4666 stop at any single-character token, not just newline.
4667 (_cpp_lex_token): Remove special cases for #define and #if.
4668 (cpp_get_token): Expect # as a separate token type. Remove
4670 (_cpp_get_directive_token): Remove DIRECTIVE case.
4671 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4673 * cpplib.c (_cpp_check_directive): Set dirno and
4674 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4675 (_cpp_handle_directive): Run # <number> through the same logic
4676 as normal directives.
4677 (do_define): Don't set parsing_define_directive. Use
4678 _cpp_scan_until. The list does not have a VSPACE at the end.
4679 (do_if): Save, clear, and restore only_seen_white around
4681 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4682 (do_assert, do_unassert): Rewrite.
4684 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4685 (LIST_OFFSET): New flag.
4686 (struct cpp_toklist): Replace dir_handler and dir_flags with
4688 (struct cpp_reader): Remove parsing_if_directive and
4689 parsing_define_directive.
4691 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4693 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4694 following the cabs decl which terminate on the following line.
4695 Add the corresponding test_text case.
4697 2000-05-18 Neil Booth <NeilB@earthling.net>
4699 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4700 default tab stop size.
4701 (no_num, OPT_ftabstop): New.
4702 (handle_option): Handle "ftabstop=" command-line option.
4703 (print_help): Document it.
4704 * cpplex.c (COLUMN): Remove.
4705 (handle_newline): Reset col_adjust.
4706 (skip_whitespace): Update col_adjust as tabs encountered.
4707 (_cpp_lex_line): Update to use col_adjust. Call
4708 skip_whitespace for all whitespace.
4709 * cpplib.h (struct cpp_options): New member tabstop.
4710 (struct cpp_reader): New member col_adjust.
4711 (CPP_BUF_COL): Update.
4712 (CPP_BUF_COLUMN): New.
4713 * cpp.texi: Document "-ftabstop=" command line option.
4715 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4717 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4719 * configure: Rebuilt.
4721 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4723 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4725 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4726 HOST_BITS_PER_WIDE_INT is >= 64.
4728 2000-05-17 Richard Henderson <rth@cygnus.com>
4730 * jump.c (jump_optimize_1): Remove inactive but real insns
4731 in jump-to-next-insn optimization.
4733 2000-05-17 Richard Henderson <rth@cygnus.com>
4735 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4736 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4737 Don't call recompute_reg_usage if no_new_pseudos is true.
4738 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4739 Return true if we did work; update global life information.
4740 * basic-block.h (optimize_mode_switching): Update decl.
4742 2000-05-17 Neil Booth <neilb@earthling.net>
4744 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4746 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4748 * cpplib.c: New feature, #pragma system_header.
4749 * cpp.texi: Document special treatment of system headers, and
4750 the various mechanisms to get a header that special treatment.
4752 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4754 * system.h (offsetof): Define at the very end, to ensure we prefer
4755 the platform's definition if available.
4757 2000-05-16 Bruce Korb <bkorb@gnu.org>
4759 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4760 * fixinc/server.c: likewise
4761 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4762 + #ifdef debugging code + use #def constant for
4764 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4765 on C++ math namespace
4767 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4769 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4770 Don't check the return value of sprintf. Use asprintf to avoid
4773 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4775 * flags.h (warn_unused_function, warn_unused_label,
4776 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4777 Replace ``warn_unused''.
4778 (set_Wunused): Add declaration.
4779 * toplev.c (set_Wunused): New function.
4780 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4781 warn_unused_variable, warn_unused_value): New variables.
4782 (W_options): Add -Wunused-function, -Wunused-function,
4783 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4784 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4786 * toplev.c (decode_W_option): Update -Wunused flags by calling
4788 * c-decl.c (c_decode_option): Ditto for -Wall.
4790 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4791 warn_about_unused_variables): Replace warn_unused with more
4792 explicit warn_unused_value et.al.
4793 * function.c (expand_function_end): Ditto.
4794 * c-typeck.c (internal_build_compound_expr,
4795 internal_build_compound_expr): Ditto.
4796 * c-decl.c (poplevel, pop_label_level): Ditto.
4797 * toplev.c (check_global_declarations): Replace warn_unused with
4798 check for either warn_unused_function or warn_unused_variable.
4800 * gcc.1, invoke.texi (Warning Options): Document
4801 -Wunused-function, -Wunused-function, -Wunused-label,
4802 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4804 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4806 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4807 $(srcdir), not in the current directory.
4809 2000-05-16 Richard Henderson <rth@cygnus.com>
4811 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4812 assembler supports it.
4813 (.fini, .init): Use a gp-relative indirect call.
4814 (__do_global_dtors_aux): Preserve the gp; rebundle.
4815 (__do_frame_setup): Likewise.
4816 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4817 (.init): Use a gp-relative indirect call.
4818 (__do_global_ctors_aux): Preserve the gp.
4820 2000-05-16 Richard Henderson <rth@cygnus.com>
4822 * flow.c (commit_one_edge_insertion): Be prepared for a return
4823 insn to be inserted on the edge with a normal jump.
4824 * jump.c (jump_optimize_1): Don't look to create return isns.
4826 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4827 * jump.c (jump_optimize_1): Likewise.
4828 (returnjump_p): Verify the argument is a JUMP_INSN.
4829 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4831 2000-05-16 Nick Clifton <nickc@cygnus.com>
4833 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4834 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4835 (large_insn_p): Ditto.
4836 (m32r_is_insn): New function: Return true if the insn contains
4837 an executable instruction.
4838 (m32r_adjust_insn): Use m32r_is_insn.
4839 (m32r_sched_reorder): Use m32r_is_insn.
4840 (m32r_sched_variable_issue): Use m32r_is_insn.
4842 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4844 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4847 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4849 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4850 according to given options.
4852 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4854 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4855 if X has VOIDmode either.
4856 (LIMIT_RELOAD_CLASS): Similarly.
4858 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4859 not "general_operand" to match the processor's capabilities.
4861 2000-05-16 Bruce Korb <bkorb@gnu.org>
4863 * fixinc/README: corrected return address
4864 * fixinc/check.diff: regenerate, now that test works
4865 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4866 (char_macro_def_fix,char_macro_use_fix): corrected and
4867 rewrote to use regex to parse the text
4868 * fixinc/inclhack.def: more testing
4869 * fixinc/fixincl.x: regenerated
4871 * fixinc/inclhack.def: added several "test_text" attributes
4872 changed several fixes to use `c_fix = format'
4873 re-alphabetized the fixes
4875 * fixinc/check.diff: regenerate
4876 * fixinc/fixincl.x: regenerate
4877 * fixinc/check.tpl: added `sparc' and `netinet' to the list
4881 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
4883 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
4885 2000-05-15 Richard Henderson <rth@cygnus.com>
4887 * toplev.c (rest_of_compilation): Run full jump pass before
4888 find_basic_blocks of flow2.
4890 2000-05-15 Richard Henderson <rth@cygnus.com>
4892 * jump.c: Fix typos and clarify commentary from last change.
4893 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
4894 (safe_to_remove_jump_p): Remove.
4895 (condjump_label): Use pc_set.
4897 2000-05-15 Richard Henderson <rth@cygnus.com>
4899 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
4900 that get in the way after reload.
4901 (cond_exec_process_if_block): Skip a label heading THEN block.
4903 2000-05-15 Richard Henderson <rth@cygnus.com>
4905 * varasm.c (output_constant_pool): Abort instead of converting
4906 (improperly) deleted labels to zero.
4908 2000-05-16 Neil Booth <NeilB@earthling.net>
4910 * cpplex.c (parse_string2): Update comment.
4911 (cpp_lex_line): No special assertion treatment for '('.
4912 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
4913 * cpplib.h (SYNTAX_ASSERT): Remove.
4915 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4917 * jump.c (condjump_p): Mark as depreached.
4918 (any_condump_p): New.
4919 (any_uncondump_p): New.
4921 (safe_to_remove_jump_p): New.
4922 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
4923 safe_to_remove_jump_p): Declare.
4925 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
4927 * calls.c: Re-install both patches reverted by last patch.
4928 (struct arg_data): New field tail_call_reg.
4929 (initialize_argument_information): Initialize tail_call_reg
4930 (load_register_parameters): New argument flags, use
4931 tail_call_reg when emiting tail call sequence.
4932 (expand_call): Update call of load_register_parameters;
4933 copy unadjusted_args_size to adjusted_args_size.
4935 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
4937 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
4938 and bct_p parameters to flags.
4939 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
4940 * rtl.h (loop_optimize): Update prototype.
4941 * toplev.c (rest_of_compilation): Update call of loop_optimize.
4943 2000-05-15 Jakub Jelinek <jakub@redhat.com>
4945 * calls.c (expand_call): Move expand_start_target_temps call after
4948 2000-05-15 Neil Booth <NeilB@earthling.net>
4950 * cpphash.c (trad_stringify, warn_trad_stringify,
4951 collect_params): Make some pointers pointers to const.
4952 * cpplex.c (auto_expand_name_space) Guaranteed to always
4953 expand by at least one character.
4954 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
4955 (struct token_spelling): Use const U_CHAR * rather than PTR.
4956 (expand_name_space): Fix up token pointers if name space
4957 is moved when expanding.
4958 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
4959 parse_string2, save_comment, spell_token, cpp_output_list):
4960 Update so the routines handle tokens with a direct pointer to
4961 their text, rather than an offset into the token's list's namebuf.
4962 (_cpp_lex_line): Rearrange for clarity.
4964 * cpplib.c (_cpp_check_directive): Similarly.
4965 (do_define): Make SYM a pointer to const.
4966 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
4967 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
4968 (TOK_OFFSET): Delete.
4971 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
4973 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
4976 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
4978 (logical_u_operand): Delete.
4979 (non_logical_cint_operand): Rewrite to take MODE into account.
4980 (non_logical_u_cint_operand): Delete.
4981 (boolean_operator): New function.
4982 (print_operand): Add new %q operand.
4983 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
4984 remove logical_u_operand and non_logical_u_cint_operand,
4985 update logical_operand and non_logical_cint_operand.
4986 * config/rs6000/rs6000.md: Rewrite the patterns for performing
4987 logical operations to use %q.
4989 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
4990 (movdi): Make similar to movsi.
4991 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
4992 is no such thing as a DImode CONST_DOUBLE.
4993 * config/rs6000/rs6000.c (output_toc): Likewise.
4995 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
4996 codes when old mnemonics are in use. Print register names
4997 for cc registers when requested.
4999 * optabs.c (expand_float): Don't allow mode widening that causes
5002 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5003 flags to their current names -maix64 and -maix32.
5005 2000-05-14 Bruce Korb <bkorb@gnu.org>
5007 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5008 and/or after current text of file
5009 * fixinc/fixlib.c(must_malloc):
5010 * fixinc/fixlib.h(must_malloc): + reformatting
5011 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5012 with usages of ``c_fix = wrap;''
5013 Add several tests and use the ``c_fix = format'' fixer more.
5014 * fixinc/fixincl.x: regen
5015 * fixinc/check.diff: regen
5016 * fixinc/check.tpl: emit the associated header with the missing
5019 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5021 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5022 variables $src and $dst.
5024 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5026 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5027 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5028 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5029 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5031 (set_message_prefixing_rule): Declare.
5033 * diagnostic.c: (current_prefixing_rule): New variable.
5034 (set_message_prefixing_rule): Define.
5035 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5036 (init_output_buffer): Adjust Initialization.
5037 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5039 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5041 * ifcvt.c (if_convert): Do not free NULL.
5043 2000-05-12 Nick Clifton <nickc@cygnus.com>
5045 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5046 to move a double word value.
5047 (di_operand): New function: Return true if the operand is suitbale
5048 for a double word move operation.
5049 (nonimmediate_di_operand): New function: Return true if the
5050 operand is a DImode register or MEM.
5052 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5053 nonimmediate_di_operand.
5055 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5056 nonimmediate_di_operand.
5058 * config/fr30/fr30.md (movdi): New pattern. Required because
5059 other patterns generate DImode results.
5060 (movdi_insn): New pattern.
5062 2000-05-12 Richard Henderson <rth@cygnus.com>
5064 * config/alpha/alpha.c (struct shadow_summary): Define
5065 bitfields as type unsigned int.
5067 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5069 * config/avr/t-avr: Added definition of FLOAT while generates
5072 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5073 peepholes for tst+jump = sbrs/sbrc optimization.
5075 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5077 * expr.c (emit_push_insn): Do not adjust stack pointer when
5080 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5082 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5083 * system.h (offsetof): ... to here.
5085 2000-05-12 Richard Henderson <rth@cygnus.com>
5087 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5088 * final.c (final_end_function): Use app_disable. Rearrange note
5089 handling into a switch. Emit deleted labels.
5090 (output_asm_label): Generate label strings for deleted labels.
5091 * flow.c (tail_recursion_label_list): New.
5092 (find_basic_blocks_1): Set label_value_list directly. Collect list
5093 of tail recursion labels from call_placeholders. Don't add deleted
5094 labels to the label value list.
5095 (cleanup_cfg): Use free_EXPR_LIST_list.
5096 (flow_delete_insn_chain): Turn non-removable labels into notes.
5097 (flow_delete_block): Don't disable deleting the block because of
5098 a non-removable label.
5099 (tail_recursion_label_p): New.
5100 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5102 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5104 (merge_blocks): Disable a merge because of tail recursion labels.
5105 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5106 Use a more accurate measure of not merging the join block.
5107 (find_if_block): Don't disable conversion because of a label.
5108 (find_if_case_1, find_if_case_2): Likewise.
5109 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5110 element when copying.
5111 (squeeze_notes): Also leave EH notes.
5112 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5114 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5116 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5117 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5118 referring to a deleted label. Convert tail handling to a switch.
5119 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5120 for NOTE_INSN_DELETED_LABEL.
5121 (NOTE): Fix commentary.
5122 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5123 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5124 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5125 (LABEL_NUSES, LABEL_REFS): Likewise.
5126 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5128 2000-05-12 Bruce Korb <bkorb@gnu.org>
5130 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5131 * fixinc/check.diff: updated
5132 * fixinc/inclhack.def: corrected & added some test_text-s
5133 * fixinc/genfixes: removed unneeded options to autogen invocation
5134 * fixinc/fixincl.tpl: Specified the output file
5135 * fixinc/fixfixes.c: visual appearance
5136 * fixinc/fixincl.x: regenerate
5138 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5140 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5141 CTRL_defn_fix): Delete.
5142 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5143 char_macro_def_fix and char_macro_use_fix, respectively. Put
5144 them into the FIXUP_TABLE. Get the string to search for from
5147 (format_write): New function.
5148 (format_fix): Use it.
5150 (FIX_PROC_HEAD): Constify text parameter.
5151 (machine_name_fix): Constify all char *s.
5152 * fixtests.c (skip_quote): Remove double static.
5154 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5155 ctrl_use_quotes): Update for new scheme.
5156 * fixincl.x: Regenerate.
5158 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5160 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5162 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5163 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5165 2000-05-11 Robert Lipe <robertlipe@usa.net>
5167 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5168 * fixincl.x: Regenerate.
5170 2000-05-11 Richard Henderson <rth@cygnus.com>
5172 * calls.c: Revert both 05-09 patches.
5174 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5176 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5178 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5181 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5182 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5184 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5186 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5188 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5190 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5192 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5194 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5195 * config/avr/avr.c (jump_over_one_insn_p): New function.
5196 * config/avr/avr.md: New peepholes added. Output test and
5197 conditional jump to "sbrc" or "sbrs" command.
5199 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5201 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5203 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5205 * except.c (find_exception_handler_labels_1): New function.
5206 (find_exception_handler_labels): Split into two functions, dive
5207 into CALL_PLACEHOLDERs when looking for exception handler labels.
5209 2000-05-11 Stan Cox <scox@cygnus.com>
5211 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5212 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5213 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5215 2000-05-11 Bruce Korb <bkorb@gnu.org>
5217 * fixinc/fixfixes.c (double_slash_fix): obsolete
5218 (else_endif_label_fix): obsolete
5219 (format_fix): new, unused as yet
5221 * fixinc/fixlib.h: added fix description struct for use by format_fix
5222 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5223 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5224 modules. Removed the vestiges of the script version.
5225 Added support for "make check".
5226 * fixinc/check.diff: base diff file (needs work!!)
5227 * fixinc/check.tpl: quiet the fixup output
5228 * fixinc/fixtests.c (main): obsolete
5229 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5230 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5232 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5234 * toplev.c (rest_of_compilation): Remove dead code after
5237 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5239 * cpphash.c (collect_funlike_expansion): Make "# is not
5240 followed by a macro argument name" a pedwarn, not an error.
5241 Preserve the # in the output. Suppress the warning if lang_asm.
5243 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5245 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5246 * configure: Rebuilt.
5248 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5250 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5252 2000-05-10 Kazu Hirata <kazu@hxi.com>
5254 * combine.c (try_combine): Fix a typo.
5256 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5258 * config/ia64/ia64.md (insv): Add comment.
5260 2000-05-10 Richard Henderson <rth@cygnus.com>
5262 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5263 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5264 dependancies on FPBIT and DPBIT.
5266 2000-05-10 Nick Clifton <nickc@redhat.com>
5268 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5269 when optimising for size.
5270 (mark_used_regs:) Ditto.
5271 (try_pre_increment_1): Ditto.
5273 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5275 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5276 Make error message friendlier.
5278 * cpphash.h (struct hashnode): Use struct hack for name
5280 * cpphash.c (struct hashdummy): New.
5281 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5282 (make_HASHNODE): No need to set ->name pointer. Correct
5284 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5286 2000-05-10 Richard Henderson <rth@cygnus.com>
5288 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5291 2000-05-10 Bruce Korb <bkorb@gnu.org>
5293 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5295 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5297 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5298 after we enter .debug.
5300 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5302 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5303 abstract instance of a nested inline function.
5305 * stor-layout.c (finish_record_layout): finalize_type_size
5306 before laying out the pending_statics.
5308 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5310 * cpplex.c (spell_token): New function.
5311 (spell_string, spell_comment, spell_name): fold into
5314 (E, H): Remove macros.
5315 (save_comment): Save comment opening characters too.
5316 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5318 * cpplib.h (I, S): Add macros.
5319 (E, H): Remove macros.
5320 (TTYPE_TABLE): Update entries for new speller.
5321 (SYNTAX_ASSERT): Remove.
5323 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5325 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5326 when removing escaped newlines. Reverse sense of test for
5329 2000-05-09 Richard Henderson <rth@cygnus.com>
5331 * flow.c (find_basic_blocks_1): Do not delete the first
5332 bb_note we run across.
5333 (create_basic_block): Use reorder_insns to move an existing
5334 bb_note to the correct place.
5336 2000-05-09 Richard Henderson <rth@cygnus.com>
5338 * calls.c (expand_call): Increment currently_expanding_call
5339 before calling optimize_tail_recursion.
5341 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5343 * reload1.c (reload_combine): Fix errors in last change.
5345 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5347 * gcc.c (used_arg): Skip over a semicolon at the end of the
5348 split-up loop; don't break out of it.
5350 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5351 (tree.o): Depend on output.h.
5353 * c-decl.c (pending_invalid_xref_file,
5354 current_function_prototype_file): Constify.
5355 (pushdecl): Constify a local char *.
5356 (define_label): Constify filename parameter.
5357 * c-lex.c (init_parse): Constify parameter and return value.
5358 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5359 * c-tree.h: Update prototypes.
5360 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5361 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5362 objc/objc-parse.c: Regenerate.
5364 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5365 * dwarfout.h: Update prototypes.
5366 * expr.c (expand_expr): Constify a local char *.
5367 * flags.h: Constify main_input_filename.
5368 * function.c (expand_function_end): Constify filename parameter.
5369 * genrecog.c (make_insn_sequence): Use a character array for
5371 (main): Remove unused variables.
5372 * input.h: Constify input_filename, main_input_filename, and
5373 file_stack.name. Update prototypes.
5374 * output.h: Declare first_global_object_name and
5375 weak_global_object_name here, as const char *.
5376 * stmt.c (expand_asm_operands): Constify filename parameter.
5377 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5378 Constify filename parameter.
5379 (input_filename, main_input_filename): Constify.
5380 * toplev.h: Update prototypes.
5381 * tree.c: Include output.h. Don't declare
5382 first_global_object_name or weak_global_object_name. Clean up string
5383 bashing in get_file_function_name_long.
5384 * tree.h (struct tree_decl): Constify filename member.
5385 (input_filename): Constify.
5387 * varasm.c (first_global_object_name, weak_global_object_name):
5389 (assemble_start_function, assemble_variable): Clean up string bashing.
5391 * gcc.c: Constify all spec-related strings initialized,
5392 transitively, from string constants. Constify all strings
5393 and string variables related to multilibs.
5394 (set_spec, read_specs): Cast argument to free to PTR.
5395 (used_arg): Do not modify multilib_matches. Use strncmp plus
5396 length comparison to compare multilib switches.
5397 * genmultilib: Constify everything declared in multilib.h.
5399 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5401 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5404 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5406 * config/avr/avr-protos.h (extra_constraint): change a type of
5407 second argument from char to int to avoid warnings.
5408 (asm_output_byte): Likewise.
5410 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5411 (initial_elimination_offset): Handle elimination from
5412 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5413 (legitimate_address_p): Use MAX_LD_OFFSET.
5414 (legitimize_address): Likewise.
5415 (out_movqi_r_mr): Likewise.
5416 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5417 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5418 (out_movsi_mr_r): Likewise.
5419 (out_movqi_mr_r): Likewise.
5420 (out_movhi_mr_r): Likewise.
5421 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5422 count as CONST_INT != 6.
5423 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5424 shift count is a CONSTANT_P, but not a CONST_INT.
5425 (ashlhi3_out): Coding style modifications.
5426 (ashlsi3_out): Likewise.
5427 (ashrhi3_out): Likewise.
5428 (ashrsi3_out): Likewise.
5429 (lshrhi3_out): Likewise.
5430 (lshrsi3_out): Likewise.
5431 (ashrqi3_out): Generate shift for any known constant count without
5432 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5433 but not a CONST_INT.
5434 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5435 shift count is a CONSTANT_P, but not a CONST_INT.
5436 (extra_constraint): change a type of
5437 second argument from char to int to avoid warnings.
5438 (asm_output_byte): Likewise.
5439 (asm_file_end): Output size generated commands count as a hex
5442 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5444 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5446 (ashlqi3): Values of "length" attribute changed. Shift count
5447 uses constraints 'n' instead of 'i'.
5448 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5449 shifts without clobber register.
5450 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5451 (call_insn): Correct test for which_alternative == 1 (was 0).
5452 (call_value_insn): Likewise.
5454 * config/avr/t-avr: Remove definition of FLOAT while generates
5457 2000-05-09 Bruce Korb <bkorb@gnu.org>
5459 * fixinc/check.tpl: Template for checking fixes
5460 * fixinc/inclhack.def: Added 'test_text' for many fixes
5461 disable hpux8_bogus_inlines on SCO
5462 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5464 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5466 * calls.c (expand_call): Reorganize somewhat in order
5467 to avoid unnecesary recalculation inside loop and make
5468 tail call failure code cleaner.
5470 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5472 * alias.c (nonlocal_reference_p): Minor reformatting.
5473 * reload.c (find_equiv_reg): Simplify logic for
5474 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5475 some some reformatting.
5476 * reload1.c (reload_combine): Don't assume everything in
5477 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5479 2000-05-08 Richard Henderson <rth@cygnus.com>
5481 * final.c (current_insn_predicate): New.
5482 (final_scan_insn): Set it.
5483 * output.h (current_insn_predicate): Declare.
5485 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5486 Attach it to call insns.
5487 (cond_exec_process_if_block): Track probability for true and
5489 (dead_or_predicable): Likewise.
5491 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5492 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5493 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5494 (estimate_probability, expected_value_to_br_prob): Use them.
5496 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5497 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5498 (ia64_expand_prediction): New.
5499 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5500 as needed after calls.
5501 (ia64_epilogue_uses): Mark b0 used.
5502 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5503 (bne_true, bne_false): Remove.
5504 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5505 (br_true, br_false): New. Use predicate_operator and
5506 ia64_expand_prediction.
5507 (return_true, return_false): Likewise.
5508 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5509 (call_internal1, call_value_internal): Likewise.
5510 (call_value_internal1, call_multiple_values_internal1): Likewise.
5512 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5514 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5516 2000-05-08 Richard Henderson <rth@cygnus.com>
5518 * rtlanal.c (may_trap_p): Consider old-style and volatile
5521 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5523 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5525 2000-05-08 Richard Henderson <rth@cygnus.com>
5527 * config/ia64/ia64.h (predicate_operator): Declare.
5529 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5532 * gensupport.c (process_rtx): Copy and post-process each member
5533 of the define_insn rtvec individually.
5535 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5537 * cpplex.c (spell_token): New function.
5538 (TOKEN_LEN): Add 1 for whitespace.
5539 (_cpp_lex_file): Update to use spell_token.
5540 * cpplib.h (E): Remove.
5541 (TTYPE_TABLE): Update CPP_VSPACE entry.
5543 2000-05-08 Richard Henderson <rth@cygnus.com>
5545 * flow.c (init_propagate_block_info): Watch out for conditional
5546 branch to next instruction, and thus one outgoing edge.
5548 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5549 for global register variables; don't special case __[CD]TOR_LIST__;
5550 mind ggc_p for string allocation.
5552 2000-05-08 Nick Clifton <nickc@cygnus.com>
5554 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5556 2000-05-08 Bruce Korb <bkorb@gnu.org>
5558 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5559 i?86-*-msdosdjgpp* no longer uses fixincludes
5560 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5561 * fixinc/inclhack.sh: deleted
5562 * fixinc/hackshell.tpl: deleted
5563 * fixinc/inclhack.tpl: deleted
5564 * fixinc/Makefile.in: Remove dependencies on above
5565 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5567 2000-05-08 Andreas Jaeger <aj@suse.de>
5569 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5572 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5574 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5577 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5579 * cpplex.c: Move new lexer definitions and prototypes
5580 to top. Conditional include these and the code if
5581 NEW_LEXER is defined. Rename functions whose names
5582 clash if this code included.
5584 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5586 * rtl.def (COND_EXEC): Clarify.
5588 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5589 same fashion as zero_extendsidi2.
5591 2000-05-06 Richard Henderson <rth@cygnus.com>
5593 * config/ia64/ia64.c (predicate_operator): New.
5594 (ia64_print_operand): Handle 'J'.
5595 (rtx_needs_barrier): Handle COND_EXEC.
5596 * config/ia64/ia64.h (BRANCH_COST): Define.
5597 (PREDICATE_CODES): Update.
5598 * config/ia64/ia64.md: Docuement used unspec values.
5599 (attr predicable): New.
5600 (movxf, movxf_internal): New.
5601 (extendsfdf2): Don't comment out nop.
5602 (floatdidf2): Remove.
5603 (truncxfsf2, truncxfdf2, floatdixf2): New.
5604 (abssi2, absdi2): Put the neg in the "true" slot.
5605 (conditional branch instructions): Mark not predicable.
5606 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5607 (abs*_internal): Likewise.
5608 (alloc, set_bsp): Mark not predicable.
5609 (barrier, insn_group_barrier, flush_cache): Likewise.
5610 (define_cond_exec): New.
5612 2000-05-06 Richard Henderson <rth@cygnus.com>
5614 * c-decl.c: Include "tm_p.h".
5616 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5617 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5618 (ia64_expand_op_and_fetch): Declare.
5619 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5620 (setjmp_operand): Constify variables for XSTR.
5621 (ia64_encode_section_info): Likewise.
5622 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5624 (ia64_asm_output_external): Constify name.
5625 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5626 (process_for_unwind_directive): Provide switch default.
5627 (ia64_expand_compare_and_swap): Remove unused variables.
5628 (ia64_expand_builtin): Likewise.
5629 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5632 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5633 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5634 (shift_count_operand, shift_32bit_count_operand): Likewise.
5635 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5636 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5637 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5638 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5639 (ia64_expand_builtin): Likewise.
5640 (call_multiple_values_operation): Make dest_regno unsigned.
5642 2000-05-06 Richard Henderson <rth@cygnus.com>
5644 * rtl.def (DEFINE_COND_EXEC): New.
5645 * md.texi: Document it.
5647 * gensupport.c (input_file): Remove.
5648 (struct queue_elem): Add lineno.
5649 (rtx_ready_queue): Remove.
5651 (predicable_default): New.
5652 (predicable_true, predicable_false): New.
5653 (define_attr_queue, define_attr_tail): New.
5654 (define_insn_queue, define_insn_tail): New.
5655 (define_cond_exec_queue, define_cond_exec_tail): New.
5656 (other_queue, other_tail): New.
5657 (queue_pattern): New.
5658 (process_rtx): Add patterns to the appropriate queues.
5659 (is_predicable, identify_predicable_attribute): New.
5660 (n_alternatives, collect_insn_data): New.
5661 (alter_predicate_for_insn, alter_test_for_insn): New.
5662 (shift_output_template, alter_output_for_insn): New.
5663 (process_one_cond_exec, process_define_cond_exec): New.
5664 (init_md_reader): Read the entire file. Process define_cond_exec.
5665 (read_md_rtx): Return elements from the queues.
5667 2000-05-06 Richard Henderson <rth@cygnus.com>
5669 * flow.c (mark_set_1): Don't update conditional life info
5670 if the register is not_dead.
5672 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5674 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5675 (mostlyclean): Also delete fixincl, fixinc.sh, and
5676 specs.ready, and make clean in the fixinc subdir.
5678 2000-05-06 Richard Henderson <rth@cygnus.com>
5680 * Makefile.in (gensupport.o): Compile for the host.
5681 (host-prefix gensuuprt.o): Remove.
5682 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5683 (genattrtab.o): Likewise.
5684 (gencodes.o): Depend on gensupport.h.
5685 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5686 (genpeep.o, genattr.o, genoutput.o): Likewise.
5688 * gensupport.c (obstack, rtl_obstack): New.
5689 (init_md_reader): Initialize rtl_obstack.
5690 * gensupport.h (rtl_obstack): Declare.
5691 (message_with_line): Declare.
5693 * genattr.c: Remove all traces of obstack manipulation.
5694 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5695 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5697 * genattrtab.c (obstack, rtl_obstack): Remove.
5698 (main): Don't init rtl_obstack.
5699 * genflags.c: Likewise.
5701 * genrecog.c (message_with_line): Move ...
5702 * gensupport.c: ... here.
5704 2000-05-06 Richard Henderson <rth@cygnus.com>
5706 * c-typeck.c (build_c_cast): Remove dead code.
5708 2000-05-06 Richard Henderson <rth@cygnus.com>
5710 * flow.c (split_edge): Don't allocate global_live_at_start for
5711 the new block unless the old blocks had them as well.
5713 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5715 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5716 test_bb if a or b uses x.
5718 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5720 * cpphash.h: Remove conditional #define of __extension__.
5721 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5722 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5723 (ENABLE_RTL_CHECKING only).
5724 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5725 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5726 (ENABLE_TREE_CHECKING only).
5727 * varray.h: Add __extension__ to VARRAY_CHECK macro
5728 (ENABLE_CHECKING only).
5730 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5732 Use new tail-calling mechanism on ARM.
5733 * arm.md (sibcall, sibcall_value): New expands.
5734 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5735 (tailcalling peepholes): Delete.
5736 (push_multi): Simplify.
5737 * arm.c (lr_save_eliminated): Delete definition.
5738 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5739 (output_return_instruction): Remove checks on lr_save_eliminated.
5740 (output_arm_prologue): Remove old tail-calling code.
5741 (arm_output_epilogue): New parameter, really_return. All callers
5742 changed. Handle tail-calling epilogues.
5743 * arm.h (lr_save_eliminated): Delete declaration.
5744 (frame_pointer_needed): Delete declaration.
5745 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5747 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5749 * arm.c (thumb_code): Define it.
5750 (arm_override_options): Set it.
5751 * arm.h (thumb_code): Declare it.
5753 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5755 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5757 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5759 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5760 bogus clobber to insns.
5761 (load_multiple_operation, store_mulitple_operation): Don't check
5763 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5765 * arm.md (and_scc, ior_scc): Add missing mode.
5767 * arm.md (call_value_symbol): Remove predicate from op2.
5769 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5771 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5773 * expr.c (get_subtarget): New function.
5774 (force_operand, expand_expr, do_store_flag): Use it.
5776 * toplev.c (compile_file): Don't take strlen of NAME if null.
5778 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5780 * xcoffout.c (xcoff_current_include_file,
5781 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5782 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5784 (xcoffout_declare_function): Make name 'const char *'.
5785 (xcoffout_end_epilogue): Make fname 'const char *'
5786 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5787 xcoffout_declare_function, xcoffout_source_line): Match above.
5789 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5791 * rs6000.c (print_operand): Fix lossage typo.
5792 (output_cbranch): Remove "cr" decoration for now.
5793 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5795 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5797 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5800 2000-05-05 Bruce Korb <bkorb@gnu.org>
5802 * fixinc/genfixes: Improve the matching for make target names
5804 2000-05-05 Catherine Moore <clm@cygnus.com>
5806 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5807 attribute to the decl.
5808 * c-decl.c (pushdecl): Propagate the USED attribute to the
5811 2000-05-05 Richard Henderson <rth@cygnus.com>
5813 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5814 same way emit_group_load does.
5816 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5818 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5820 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5823 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5825 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5827 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5829 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5830 to support -shared, on platforms with dynamic libraries.
5832 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5834 * system.h (S_ISBLK): Provide fallback definition.
5836 2000-05-05 Geoff Berry <geoffb@bops.com>
5838 * extend.texi (Extended Asm): Document inability to give asm
5839 statements access to condition codes.
5841 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5843 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5844 as arg 2 of UNIQUE_SECTION.
5846 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5848 * predict.c: Remove May 4 change.
5849 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5850 if we have predicted the branch at 50-50 probability.
5852 2000-05-05 Richard Henderson <rth@cygnus.com>
5854 * flow.c (init_propagate_block_info): Fix merge error
5855 in HAVE_conditional_execution code.
5857 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5859 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5860 shift cycle for unknown shift count. Also generates dec + brpl.
5861 (ashlqi3_out): Don't generate dec + brpl which now generates by
5862 `out_shift_with_cnt'.
5863 (ashlhi3_out): Likewise.
5864 (ashlsi3_out): Likewise.
5865 (ashrqi3_out): Likewise.
5866 (ashrhi3_out): Likewise.
5867 (ashrsi3_out): Likewise.
5868 (lshrqi3_out): Likewise.
5869 (lshrhi3_out): Likewise.
5870 (lshrsi3_out): Likewise.
5872 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
5874 * gcc.c (free_split_directories): Correct typo in explanation
5875 of make_relative_prefix.
5877 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5879 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
5880 comparison codes to branch_comparison_operator.
5882 2000-05-04 Richard Henderson <rth@cygnus.com>
5884 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
5886 2000-05-04 Richard Henderson <rth@cygnus.com>
5888 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
5889 (DPBIT_FUNCS): Remove _sf_to_usi.
5890 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
5892 * ifcvt.c (noce_process_if_block): Fail if A or B modified
5893 between condition and jump.
5895 * libgcc2.c (near eh_context_specific): Comment #endif string.
5896 * longlong.h: Don't use strings with embedded newlines.
5898 2000-05-04 Geoff Keating <geoffk@cygnus.com>
5900 * config/rs6000/rs6000-protos.h: Add output_cbranch.
5901 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
5902 (print_operand): Delete %t and %T codes.
5903 (output_cbranch): New function. Support branch prediction.
5904 * config/rs6000/rs6000.md: Use output_cbranch for
5905 conditional branches and returns.
5907 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
5909 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
5910 * stor-layout.c (place_field): Likewise.
5911 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
5912 * expr.c (store_expr): Make align unsigned.
5913 * explow.c (plus_constant_wide): Make low words unsigned.
5914 * expmed.c (choose_multiplier): Likewise.
5915 * fold-const.c (fold): Likewise.
5916 * tree.h (build_int_2): Likewise.
5917 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
5918 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
5919 (init_emit): Change cast to unsigned char*.
5920 * varasm.c (compare_constant_1): Add cast to char*.
5921 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
5922 * reload1.c (reload): Likewise.
5924 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
5926 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
5928 * predict.c (estimate_probability): If no prediction was found, then
5929 predict the successor that is the next physical block (if such a
5932 2000-05-04 Richard Henderson <rth@cygnus.com>
5934 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
5936 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5938 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
5940 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
5942 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
5943 attribute macros from here ...
5944 (CPP_SPEC): to here.
5945 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
5946 (CPP_SPEC): Likewise.
5947 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
5949 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
5950 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
5952 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5954 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
5956 * diagnostic (vbuild_message_string, build_message_string,
5957 build_location_prefix, output_get_prefix, init_output_buffer,
5958 output_notice, vline_wrapper_message_with_location,
5959 v_message_with_decl, default_print_error_function): De-constify.
5960 (set_real_maximum_length): Prototype.
5962 * diagnostic.h (struct output_buffer, init_output_buffer,
5963 output_get_prefix, output_set_prefix): De-constify.
5965 * function.c (init_function_start): Constify.
5967 * gensupport.c (remove_constraints, process_rtx): Prototype.
5969 * gthr-posix.h: Indent uses of #pragma.
5971 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
5974 * predict.c (find_expected_value): Delete prototype.
5975 (expected_value_to_br_prob): Initialize variable `ev_reg'.
5977 * sbitmap.h (debug_sbitmap): Prototype.
5979 * ssa.c (compute_coalesced_reg_partition): Prototype.
5981 * stor-layout.c (debug_rli): Prototype.
5983 * tree.h (round_down): Prototype.
5984 (init_function_start): Constify.
5986 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
5988 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
5989 (overly conservative). Change extern inline wrappers to
5990 static inline, define them always, use PARAMS properly.
5991 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
5992 whitespace warnings for \f and \v at the beginning of a line.
5994 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
5996 * haifa-sched.c (schedule_insns): Free the flow edge list when it
5999 2000-05-04 Bruce Korb <bkorb@gnu.org>
6001 * fixincl/inclhack.def: added broken_cabs -
6002 Remove `extern double cabs' declarations from math.h
6003 * fixincl/inclhack.sh: regen
6004 * fixincl/fixincl.x: regen
6005 * fixincl/fixincl.c: Remove BOGOSITY code
6006 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6008 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6010 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6012 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6013 when calling MEM_COPY_ATTRIBUTES.
6014 * emit-rtl.c (operand_subword, change_address): Likewise.
6015 * explow.c (stabilize): Likewise.
6016 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6017 * integrate.c (copy_rtx_and_substitute): Likewise.
6018 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6019 when calling MEM_COPY_ATTRIBUTES.
6020 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6022 * cse.c (gen_lowpart_if_possible): Likewise.
6023 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6024 * optabs.c (gen_move_insn): Likewise.
6025 * recog.c (validate_replace_rtx_1): Likewise.
6026 * simplify-rtx.c (add_mem_for_addr): Likewise.
6027 * stmt.c (expand_anon_union_decl): Likewise.
6028 * config/arm/arm.md: Likewise.
6029 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6030 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6031 (block_move_no_loop, block_move_sequence): Likewise.
6032 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6033 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6034 Clear MEM_ALIAS_SET.
6035 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6036 MEM_COPY_ATTRIBUTES.
6038 2000-05-03 Robert Lipe <robertlipe@usa.net>
6040 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6041 to suppress libgcc1.
6042 (i[34567]86-*-sco3.2v5*) Likewise.
6043 (i[34567]86-*-sco3.2v4*) Likewise.
6044 (i[34567]86-*-sco) Likewise.
6045 (i[34567]86-*-solaris2) Likewise.
6046 (i[34567]86-*-sysv5*) Likewise.
6047 (i[34567]86-*-sysv4*) Likewise.
6048 (i[34567]86-*-udk*) Likewise.
6049 (i[34567]86-*-sysv*) Likewise.
6051 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6053 * cpphash.h (U): New define, to correct type of string constants.
6054 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6055 routines, to do casts when passing unsigned strings to libc.
6056 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6058 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6059 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6060 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6061 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6062 second argument an U_CHAR *.
6064 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6065 length field, clean up initializer.
6066 (ISTABLE): Add __extension__ to designated-
6067 initializers version.
6068 * cpplex.c (CHARTAB): Likewise.
6070 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6071 case so the file won't be empty.
6073 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6075 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6076 (REORDER_BLOCK_SUCC): Removed.
6077 (enum reorder_skip_type): Removed.
6078 (skip_insns_between_block): Renamed to skip_insns_after_block.
6079 Removed second argument. Removed dead code and cleaned up.
6080 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6081 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6082 second parameter to skip_insns_after_block.
6084 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6086 * tree.c (staticp, case LABEL_DECL): New case.
6088 2000-05-03 Richard Henderson <rth@cygnus.com>
6090 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6092 * mklibgcc1.in: Fix typo last change.
6094 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6096 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6097 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6098 (GCC_CFLAGS): Use it.
6099 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6100 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6101 objc/Make-lang.in: Use it.
6103 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6105 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6107 2000-05-03 Richard Henderson <rth@cygnus.com>
6109 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6110 LIBGCC1 empty with libgcc1.null.
6112 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6114 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6117 2000-05-03 Greg McGary <gkm@gnu.org>
6119 * tree.h (tree_common): Add bounded_flag member. Remove
6120 inaccurate comment about number of remaining bits.
6121 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6122 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6123 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6124 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6125 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6126 (TYPE_QUAL_BOUNDED): New constant.
6127 (TYPE_QUALS): Handle bounded qualifier.
6128 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6129 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6130 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6131 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6132 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6133 (tree_type): Add pointer_depth member. Remove
6134 inaccurate comment about number of remaining bits.
6135 (DECL_POINTER_DEPTH): Add macro.
6136 (tree_decl): Add pointer_depth member.
6138 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6140 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6141 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6142 (lshrhi3_out): Likewise.
6143 (ashrsi3_out): bugfix in shift by 8.
6144 (test_hard_reg_class): New function.
6145 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6146 (ashlhi3): removed define_expand of this pattern.
6147 (*ashlhi3_insn): renamed to ashlhi3.
6148 (ashlsi3): removed define_expand of this pattern.
6149 (*ashlsi3_insn): renamed to ashlsi3.
6150 (ashrqi3): removed define_expand of this pattern.
6151 (*ashrqi3_insn): renamed to ashrqi3.
6152 (ashrhi3): removed define_expand of this pattern.
6153 (*ashrhi3_insn): renamed to ashrhi3.
6154 (ashrsi3): removed define_expand of this pattern.
6155 (*ashrsi3_insn): renamed to ashrsi3.
6156 (lshrhi3): removed define_expand of this pattern.
6157 (*lshrhi3_insn): renamed to lshrhi3.
6158 (lshrsi3): removed define_expand of this pattern.
6159 (*lshrsi3_insn): renamed to lshrsi3.
6161 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6163 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6164 inclusion of "system.h".
6166 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6168 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6171 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6173 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6174 if -mauto-pic is on.
6175 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6176 -mconstant-gp is in effect and function-descriptors are being used
6177 to make indirect calls.
6178 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6179 (MASK_AUTO_PIC): Ditto.
6180 (TARGET_CONST_GP): Ditto.
6181 (TARGET_AUTO_PIC): Ditto.
6182 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6183 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6184 -mno-pic is in effect.
6185 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6186 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6187 -mauto-pic is in effect.
6188 (gprel64_offset): New pattern.
6189 (load_gprel64): Ditto.
6190 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6191 -mconstant-gp is in effect, no need to preserve gp around direct
6193 (call_value): Ditto.
6194 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6195 (FUNCTION_PROFILER): Define.
6196 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6197 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6198 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6200 2000-05-03 Richard Henderson <rth@cygnus.com>
6202 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6203 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6204 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6205 (mklibgcc, libgcc.mk): New targets.
6206 (libgcc.a): Use libgcc.mk.
6207 (stmp-multilib): Likewise.
6208 (stmp-multilib-sub): Remove.
6209 (mostlyclean): Don't delete libgcc2 temp files.
6210 * configure.in (AC_PROG_CC_C_O): Add.
6211 (NO_MINUS_C_MINUS_O): Substitute it.
6212 (all_outputs): Add mklibgcc.
6213 * mklibgcc.in: New file.
6215 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6217 * cppexp.c (op_t): Make an int.
6219 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6221 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6223 * gensupport.c (process_rtx): Fix macros used.
6225 2000-05-03 Richard Henderson <rth@cygnus.com>
6227 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6228 call-clobbered registers of a call.
6230 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6232 * gensupport.c: New file.
6233 * gensupport.h: New file.
6234 * Makefile.in (HOST_RTL): Depend on gensupport.
6235 (gensupport.o) New rule.
6236 * genattr.c: Use gensupport for reading .md files.
6237 * genattrtab.c: Ditto.
6238 * gencodes.c: Ditto.
6239 * genconfig.c: Ditto.
6241 * genextract.c: Ditto.
6242 * genflags.c: Ditto.
6243 * genopinit.c: Ditto.
6244 * genoutput.c: Ditto.
6246 * genrecog.c: Ditto.
6247 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6248 * md.texi (Insn Splitting): Document define_insn_and_split.
6250 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6252 * flow.c (verify_flow_info): Added two more sanity checks. The
6253 first checks that the blocks are numbered consecutively. The second
6254 checks that n_basic_blocks is actually equal to the number of
6255 basic blocks in the insn chain.
6257 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6259 * cpplib.h: Add accessor macros for token lists.
6260 * cpplib.c, cpphash.c, cpplex.c: Use them.
6262 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6264 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6265 memory usage if not in a function.
6266 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6267 return address if static.
6269 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6271 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6272 whether address may trap.
6274 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6276 * bb-reorder (chain_reorder_blocks): Changed code to test for
6277 EDGE_FALLTHRU rather than making erroneous assumption that the
6278 first outgoing edge is the fall-through edge.
6280 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6282 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6283 ABI for varargs, across all MIPS. This is incompatible because the
6284 va_list (__builtin_va_list) structure is different, so a compilation
6285 unit passing a va_list and a compilation unit being passed one, should
6286 both be compiled with the same ABI. (The old structure had two
6287 pointers, now it has three.)
6289 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6291 * bb-reorder.c (struct reorder_block_def): Remove members end,
6292 block_begin, and block_end.
6293 (REORDER_BLOCK_OLD_END): Delete.
6294 (REORDER_BLOCK_BEGIN): Delete.
6295 (REORDER_BLOCK_END): Delete.
6296 (chain_reorder_blocks): Remove dead code.
6298 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6300 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6301 notes as the end of a basic block before deleting.
6303 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6305 * final.c (final_start_function): Fix spelling of "necessary".
6307 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6309 * toplev.c (debug_ignore_block): Return int.
6310 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6311 * toplev.h, dwarf2out.h: Adjust.
6312 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6314 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6315 * toplev.c, final.c, rtl.h: Adjust.
6317 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6319 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6320 * configure.in: Look for makeinfo in the unified tree, then
6321 for a system makeinfo which is sufficiently new.
6322 * Makefile.in: If configure says makeinfo is too old, don't
6323 build or install Info documentation.
6325 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6327 * cpphash.c (collect_params): Fix off-by-one error.
6328 (dump_hash_helper): Dump all four macro nodetypes.
6330 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6332 * cpphash.c (trad_stringify): Adjust p after stringification as
6335 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6337 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6338 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6340 * cppfiles.c (file_cleanup): Delete.
6341 * cpphash.c (macro_cleanup): Delete.
6342 (collect_objlike_expansion, collect_funlike_expansion,
6343 macarg, scan_arguments): Remove CPP_POP case.
6345 * cpplex.c (null_cleanup): Delete.
6346 (cpp_pop_buffer): Do the work that was done in the cleanups
6347 here. Call _cpp_unwind_if_stack from here.
6348 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6349 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6350 stack is the buffer _below_ the one we stacked.
6351 (cpp_get_token): Always pop an exhausted buffer. Return
6352 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6353 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6354 increment the line number.
6355 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6357 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6358 we see CPP_EOF and the top of stack is the buffer _below_ the
6360 * scan-decls.c: Likewise.
6362 2000-05-02 Andrew Haley <aph@cygnus.com>
6364 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6365 where this function is called for the second time on a decl that
6366 has had its section info changed in such a way as to move it out
6368 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6370 2000-05-01 Richard Henderson <rth@cygnus.com>
6372 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6373 the sequence we're moving, not to merge_bb->head.
6375 2000-05-01 Richard Henderson <rth@cygnus.com>
6377 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6378 reference to alpha/t-linux.
6379 (alpha*-*-linux-gnu*): Likewise.
6380 * configure: Rebuild.
6382 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6384 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6387 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6389 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6391 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6394 2000-05-01 Richard Henderson <rth@cygnus.com>
6396 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6397 emit_conditional_move.
6399 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6401 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6402 as the dynamic linker.
6404 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6406 * cppfiles.c (open_include_file): Open file in blocking mode.
6407 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6408 Only exclude block devices and directories.
6410 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6411 static. Allocate the hashnode and its string in the same
6413 (del_HASHNODE): Don't free h->name.
6414 (_cpp_lookup): If there is no entry for this string, create
6415 one, of type T_VOID.
6416 (_cpp_lookup_slot): Delete.
6417 * cpphash.h: Update prototypes.
6419 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6421 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6422 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6423 node here, just fill in the value field properly. "Delete"
6424 entries by setting the value field to T_VOID. Check for
6425 hp->type == T_VOID, not hp == NULL.
6427 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6428 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6431 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6433 * config/mn10300/mn10300.c (print_operand_address): Do not add
6436 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6437 adjusted by less than 256 bytes, use ret regardless of having any
6438 callee-saved register to restore.
6440 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6442 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6444 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6446 * config/i386/djgpp.h (INT_ASM_OP): Define.
6447 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6448 (ASM_WEAKEN_LABEL): Define.
6449 (MASK_BNU210): Define.
6450 (SUBTARGET_SWITCHES): Define.
6451 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6452 (MAKE_DECL_ONE_ONLY): Define.
6453 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6455 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6457 * i386/cygwin.h (INT_ASM_OP): Define.
6459 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6461 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6462 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6464 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6466 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6467 __tmp_reg__ and __zero_reg__ initialization.
6469 2000-04-30 Richard Henderson <rth@cygnus.com>
6471 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6473 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6474 referenced bewteen the condition and the jump. Don't delete
6475 anything but the jump.
6477 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6479 * bb-reorder.c (scope_def): New struct.
6480 (scope_forest_info): New struct.
6481 (struct reorder_block_def): New member "scope".
6482 (REORDER_BLOCK_SCOPE): New macro.
6483 (relate_bbs_with_scopes): New function and prototype.
6484 (make_new_scope): Likewise.
6485 (build_scope_forest): Likewise.
6486 (remove_scope_notes): Likewise.
6487 (insert_intra_1): Likewise.
6488 (insert_intra_bb_scope_notes): Likewise.
6489 (insert_inter_bb_scope_notes): Likewise.
6490 (rebuild_scope_notes): Likewise.
6491 (free_scope_forest_1): Likewise.
6492 (free_scope_forest): Likewise.
6493 (dump_scope_forest): Likewise.
6494 (dump_scope_forest_1): Likewise.
6495 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6496 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6498 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6499 and remove_scope_notes before reordering is done. Added calls to
6500 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6501 after reordering is done.
6503 2000-40-30 Bruce Korb <bkorb@gnu.org>
6505 * fixinc/inclhack.def: Added definitions needed by OSR5,
6506 removed two stale entries (defined away with OLD_CPP).
6507 * fixinc/inclhack.sh: regen
6508 * fixinc/fixincl.x: regen
6510 2000-04-30 Richard Henderson <rth@cygnus.com>
6512 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6513 from the last insn in the sequence.
6515 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6517 * cpplex.c (cpp_idcmp): New function.
6518 * cpplib.h: Prototype it.
6519 * scan_decls.c (scan_decls): Use it to inspect token names.
6520 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6521 the file being run through the preprocessor.
6522 (check_macro_names): Provide length of token to cpp_defined.
6524 * Makefile.in: Remove stale warning message.
6526 * cppfiles.c (redundant_include_p): Provide length of token to
6528 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6529 values are unsigned int.
6530 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6531 (_cpp_lookup_slot): Do not calculate the hash, either.
6532 * cpphash.h: Update prototypes.
6533 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6534 Hashes are unsigned int. Calculate hash here, pass by value
6535 to _cpp_lookup_slot.
6537 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6539 * simplify-rtx.c (check_value_useless): Delete function.
6540 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6542 (cselib_invalidate_regno): Likewise.
6543 (cselib_invalidate_mem_1): Likewise.
6544 (references_value_p): Recognize useless values by the fact that they
6546 (discard_useless_values): Likewise.
6547 (cselib_record_set): This may turn a useless value
6550 2000-04-30 Richard Henderson <rth@cygnus.com>
6552 * config/d30v: New port.
6554 * configure.in (d30v-*): Set fp format.
6555 * configure: Rebuild.
6557 2000-04-30 Richard Henderson <rth@cygnus.com>
6559 * ifcvt.c: New file.
6560 * Makefile.in (OBJS): Add it.
6561 (ifcvt.o): New target.
6562 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6563 and conditional arithmetic.
6564 (find_insert_position): Remove.
6565 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6566 * toplev.c (DFI_ce, DFI_ce2): New.
6567 (dump_file): Add ce and ce2 dumps.
6568 (rest_of_compilation): Run if_convert a couple o times. Set
6569 cse_not_expected after cse2. Don't set no_new_pseudos until
6570 after sched1 or recompute_reg_usage.
6572 2000-04-30 Richard Henderson <rth@cygnus.com>
6574 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6575 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6577 2000-04-30 Richard Henderson <rth@cygnus.com>
6579 * flow.c (struct reg_cond_life_info): New.
6580 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6581 (init_propagate_block_info): Initialize them.
6582 (free_propagate_block_info): Destruct them.
6583 (mark_set_1): Consider conditional life before killing a register.
6584 (mark_regno_cond_dead): New.
6585 (free_reg_cond_life_info): New.
6586 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6587 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6588 (mark_used_reg): Record conditional life.
6590 * haifa-sched.c (schedule_insns): Disable death counting
6591 sanity check for HAVE_conditional_execution.
6593 2000-04-30 Richard Henderson <rth@cygnus.com>
6595 * Makefile.in (TIMEVAR_H): New.
6596 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6597 (timevar.h): Remove rule.
6599 2000-04-29 Richard Henderson <rth@cygnus.com>
6601 * config/alpha/crtend.asm: Use C comments instead of #.
6602 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6604 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6606 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6608 * cpphash.h (enum node_type: Take out T_MCONST.
6609 (union hashval): Move into struct hashnode.
6610 (struct hashnode): Pack tighter. Remove file, line, col
6612 * cpphash.c: Constify most of the macro-definition structures.
6613 (struct definition): Replace by struct object_defn
6614 and struct funct_defn. Put file, line, column information
6615 here. All users updated to match.
6616 (_cpp_create_definition, _cpp_macroexpand): Remove special
6617 case for #define WORD OTHERWORD.
6618 * cpplib.c (do_undef): Remove T_MCONST case.
6620 * cpphash.h: Move struct reflist, struct definition, and the
6621 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6622 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6623 * cpphash.c (_cpp_free_definition): Free data pointed to by
6624 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6625 (_cpp_create_definition, del_HASHNODE): Just call
6626 _cpp_free_definition to clear out a hashnode.
6627 * cpplib.c (do_pragma_poison): Likewise.
6629 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6631 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6632 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6633 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6634 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6635 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6636 REGNO_AM33_P): Redefine in terms of the new macros.
6637 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6638 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6639 STRUCT_VALUE): Likewise.
6640 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6641 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6643 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6645 * regmove.c (struct record_stack_memrefs_data): New.
6646 (record_stack_memrefs): New function.
6647 (combine_stack_adjustments_for_block): Use it.
6649 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6651 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6652 use special_function_p to detect alloca.
6654 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6656 * gcc.texi: Fixes for makeinfo 4.0 --html.
6658 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6660 * pcp.h: Delete file.
6662 2000-04-28 Kazu Hirata <kazu@hxi.com>
6664 * h8300.c (function_epilogue): Clean up flags when the last insn
6665 in a function is a barrier.
6667 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6669 * configure.in (sparc-hal-solaris2*): protect [] glob from
6671 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6672 rather than hard-coded constants in target_cpu_default2.
6673 * configure: Regenerate.
6675 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6677 * tree.c (get_callee_fndecl): Extract the initial value from
6680 2000-04-28 Richard Henderson <rth@cygnus.com>
6682 * varasm.c (record_constant_1): Record the CODE_LABEL when
6683 taking the address of a LABEL_REF.
6685 2000-04-28 Richard Henderson <rth@cygnus.com>
6686 Jan Hubicka <jh@suse.cz>
6688 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6689 adjustment; don't do the stack adjust.
6690 (expand_call): Call compute_argument_block_size right before
6691 allocating the block; update comment; don't do alignment sanity
6692 checking for sibling call; use args_size instead of
6693 unadjusted_args_size before args_size is adjusted. Use
6694 combine_pending_stack_adjustment_and_call to compute stack adjust
6695 for must_preallocate case.
6697 * expr.c (push_block): Remove shadow `temp' in inner scope.
6699 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6701 * toplev.c (rest_of_compilation): Call
6702 note_deferral_of_defined_inline_function even if the function
6705 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6707 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6709 2000-04-28 Richard Henderson <rth@cygnus.com>
6711 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6713 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6715 * timevar.c (init_timevar): DeANSIfy function definition.
6717 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6719 * Makefile.in (timevar.o): Depend on flags.h.
6720 * timevar.c (unused_stack_instances): New variable.
6721 (timevar_push): Take a timevar_stack_def from
6722 unused_stack_instances if available.
6723 (timevar_pop): Push the popped timevar_stack_def onto
6724 unused_stack_instances.
6725 (TIMEVAR_ENABLE): New macro.
6726 (timevar_def): Make standalone a 1-bit field. Add field used.
6727 (get_time): Rename parameter to now. Return after clearing it if
6729 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6730 (timevar_pop): Likewise.
6731 (timevar_stop): Likewise.
6732 (timevar_push): Likewise. Mark the timing variable as used.
6733 (timevar_start): Likewise.
6734 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6735 timevars that were never used.
6737 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6739 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6740 always TREE_READONLY.
6742 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6744 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6745 for call instruction with mode QImode.
6747 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6749 * Makefile.in (OBJS): Add timevar.o.
6750 (toplev.o): Depend on timevar.h.
6751 (ggc-simple.o): Likewise.
6752 (ggc-page.o): Likewise.
6753 (timevar.o): New rule.
6754 (timevar.h): New rule.
6756 * timevar.h: New file.
6757 * timevar.c: Likewise.
6758 * timevar.def: Likewise.
6760 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6761 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6763 (TIMEVAR): Remove macro.
6764 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6765 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6766 flow_time, combine_time, regmove_time, sched_time,
6767 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6768 sched2_time, dbr_sched_time, reorder_blocks_time,
6769 rename_registers_time, shorten_branch_time, stack_reg_time,
6770 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6772 (compile_file): Don't initialize time variables. Call
6773 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6774 of many calls to print_time.
6775 (rest_of_compilation): Add timing for reload_cse_regs.
6776 (get_run_time): Removed to timevar.c.
6777 (print_time): Likewise.
6778 (get_run_time): Implement using TV_TOTAL time variable.
6779 (print_time): Get total run time from get_run_time.
6780 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6781 computing elapsed time explicitly.
6782 * ggc-simple.c (ggc_collect): Likewise.
6783 (gc_time): Remove declaration.
6785 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6787 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6788 (expand_call): Use it.
6790 2000-04-27 Jan Hubicka <jh@suse.cz>
6792 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6795 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6797 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6800 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6802 * function.c (epilogue_done): Pass whole insn to record_insns.
6804 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6806 * cse.c (CSE_ADDRESS_COST): Remove.
6807 (find_best_addr): Add new parameter "MODE", use address_cost instead
6809 (address_cost): New.
6810 (fold_rtx): Update call of find_best_addr.
6811 * rtl.h (address_cost): Declare.
6812 * loop.c (general_induction_var): Add new parameter "MODE", use
6813 address_cost instead of ADDRESS_COST
6814 (init_loop): Use address_cost instead of ADDRESS_COST.
6815 (check_insn_for_givs): Update call of general_induction_var.
6816 (find_mem_givs): Likewise.
6817 (consec_sets_giv): Likewise.
6818 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6819 * i386.c (ix86_address_cost): New.
6820 * i386-protos.h (ix86_address_cost): Declare.
6822 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6824 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6827 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6829 * expr.c (store_expr): Use clear_storage instead of direct memset
6832 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6834 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6835 ASHIFT, AND and LABEL_REF.
6837 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6839 * invoke.texi (-foptimize-sibling-calls): Fix.
6841 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6843 * loop.c (load_mems) Don't use hard registers for the hoisting.
6845 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6846 calculation; rename const_equiv array in the preconditioning code
6847 from loop_unroll to loop_unroll_precondition
6849 2000-04-27 Richard Henderson <rth@cygnus.com>
6851 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6853 (propagate_one_insn): Clear it. Don't update reg_live here.
6854 (init_propagate_block_info): Update for pbi member changes.
6855 (free_propagate_block_info): Likewise.
6856 (mark_set_1): Know that zero_extract, sign_extract, and
6857 strict_low_part don't kill their argument. Alter hard subregs.
6858 Update new_set for non-CLOBBER sets. Update reg_live.
6859 (find_auto_inc): Update reg_live, not new_dead.
6860 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6861 to determine if the reg in question was set this insn. Only update
6862 reg info with PROP_REG_INFO.
6864 2000-04-26 Richard Henderson <rth@cygnus.com>
6866 * flow.c (allocate_reg_life_data): Set max_regno here ...
6867 (life_analysis): ... not here.
6869 * flow.c (calculate_global_regs_live): Force stack pointer
6872 2000-04-26 Richard Henderson <rth@cygnus.com>
6874 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
6875 commit change group changes.
6876 (invert_exp_1): Similarly.
6877 (redirect_exp, invert_exp): Use them.
6878 (redirect_jump_1): New.
6879 (invert_jump_1): New.
6880 (jump_optimize_1): Remove code subsumed by condexec.c.
6881 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
6883 2000-04-26 Richard Henderson <rth@cygnus.com>
6885 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
6887 * genconfig.c (main): Set all HAVE_foo to 1.
6889 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
6891 2000-04-26 Alex Samuel <samuel@codesourcery.com>
6893 * invoke.texi: Document -fssa flag.
6895 2000-04-26 Richard Henderson <rth@cygnus.com>
6897 * flow.c (count_reg_sets_1): Remove.
6898 (count_reg_sets, count_reg_references): Remove.
6899 (recompute_reg_usage): Implement with update_life_info.
6900 Reallocate life data.
6902 2000-04-26 Richard Henderson <rth@cygnus.com>
6904 * flow.c (update_life_info): Consider blocks null to mean the
6906 (calculate_global_regs_live): Likewise.
6907 (life_analysis): Do that instead of collecting all_blocks.
6909 2000-04-26 Richard Henderson <rth@cygnus.com>
6911 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
6912 a still-valid conditional jump.
6914 2000-04-26 Richard Henderson <rth@cygnus.com>
6916 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
6918 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
6919 * flow.c (calculate_loop_depth): Remove.
6920 * output.h (calculate_loop_depth): Don't declare.
6921 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
6922 inline; run estimate_probability at the same time.
6924 2000-04-26 Neil Booth <NeilB@earthling.net>
6926 * cpplib.h: "~=" is not a single pp-token.
6927 * cpplex.c: Correct commentary.
6929 2000-04-26 Richard Henderson <rth@cygnus.com>
6931 * flow.c (mark_set_1): New arguments code and flags; update all
6932 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
6933 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
6934 loop_depth when optimizing for size. Do new_dead update after
6935 emitting REG_UNUSED notes. Merge mark_set_reg code.
6936 (mark_set_reg): Remove.
6937 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
6938 arrange to not emit REG_UNUSED notes.
6940 2000-04-26 Richard Henderson <rth@cygnus.com>
6942 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
6943 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
6945 2000-04-26 Richard Henderson <rth@cygnus.com>
6947 * flow.c (propagate_one_insn): Break out from propagate_block.
6948 (init_propagate_block_info): Likewise.
6949 (free_propagate_block_info): Likewise.
6950 (propagate_block): Use them. Export.
6951 * basic-block.h: Declare them all.
6953 2000-04-26 Richard Henderson <rth@cygnus.com>
6955 * basic-block.h (life_analysis): Declare here ...
6956 * output.h: ... not here.
6957 * flow.c (life_analysis): Remove nregs parameter; replace
6958 remove_dead_code with flags. Remove ssa dead code check.
6959 Only init alias analysis if we'll use it.
6960 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
6961 * ssa.c (convert_to_ssa): Likewise.
6962 (convert_from_ssa): Likewise.
6963 * toplev.c (rest_of_compilation): Likewise.
6965 2000-04-26 Richard Henderson <rth@cygnus.com>
6967 * flow.c (flow_delete_block): Rename from delete_block. Export.
6968 * basic-block.h (flow_delete_block): Declare.
6970 2000-04-26 David S. Miller <davem@redhat.com>
6972 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
6973 taking a PATTERN of it.
6975 2000-04-26 <NeilB@earthling.net>
6977 * cpplex.c (spell_other, spell_char): Remove.
6979 (token_spelling, trigraph_map): Use unsigned chars.
6980 (_cpp_lex_line): Tidy up the switch statement.
6981 * cpplib.h: Implement spell_char with spell_string.
6984 2000-04-26 <RodneyBrown@pmsc.com>
6986 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6987 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
6989 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6991 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
6992 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
6993 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
6994 dwarf2out_return_save, dwarf2out_return_reg,
6995 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
6996 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
6997 gen_compile_unit_die, dwarf2out_init): Constify a char*.
6999 * dwarf2out.h (dwarf2out_init): Likewise.
7001 * dwarfout.c (filename_entry, primary_filename, last_filename,
7002 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7004 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7005 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7006 dwarf2out_return_reg): Likewise.
7008 2000-04-26 Andreas Jaeger <aj@suse.de>
7010 * extend.texi (Function Attributes): Fix description of pure
7013 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7015 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7016 before calling rest_of_compilation.
7018 2000-04-26 Andreas Jaeger <aj@suse.de>
7020 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7023 2000-04-25 Richard Henderson <rth@cygnus.com>
7025 * cse.c (cse_insn): Emit barrier after unconditional jump.
7027 * calls.c (expand_call): Disable tail call generation once
7028 rtx_equal_function_value_matters is false.
7030 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7033 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7035 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7037 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7039 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7040 is the primary DIE for a member function.
7041 (gen_decl_die): Call set_decl_origin_self here.
7042 * dwarfout.c (output_decl): And here.
7043 * integrate.c (output_inline_function): Not here.
7044 Don't clear DECL_INLINE until after calling rest_of_compilation.
7045 (set_decl_origin_self): No longer static.
7046 * tree.h: Add prototype.
7047 * toplev.c (note_deferral_of_defined_inline_function): Only write
7048 out abstract instance for actual inlines.
7050 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7052 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7053 EXTENDED_REGS only if TARGET_AM33.
7054 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7055 SP_REGS to register allocation and reloading unless absolutely
7057 (movsi3): Remove special-case of adding non-constants to SP.
7059 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7061 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7062 INCLUDES to search and does not provide any of its own. Also it
7063 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7064 parameters. Also it does not call AC_DEFINE.
7065 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7066 AC_DEFINE and provides for automatic entries for autoheader.
7067 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7069 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7070 so we can pass -I flags and include gansidecl.h/system.h in this
7073 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7075 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7077 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7078 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7079 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7081 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7082 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7083 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7084 for these macros. Clean up spacing and linewraps.
7086 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7088 * calls.c (expand_call): Use get_callee_fndecl.
7090 * print-tree.c (print_node): Print the chain of an _EXPR.
7092 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7093 Jim Wilson <wilson@cygnus.com>
7094 Andrew Haley <aph@cygnus.com>
7096 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7097 and gp save/restore problems.
7098 * config/ia64/crtend.asm: Add IA-64 unwind support.
7099 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7100 in fr_pad_size calculation.
7101 (save_restore_insns): Move PR save area. Correct uses of
7102 RTX_FRAME_RELATED_P.
7103 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7104 (ia64_expand_epilogue): Add eh_epilogue support.
7105 (ia64_function_prologue): Emit .prologue directive.
7106 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7107 (ia64_override_options): Set init_machine_status and
7108 mark_machine_status.
7109 (rtx_needs_barrier): Handle bsp reads and writes.
7110 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7111 New static variables.
7112 (process_set, process_for_unwind_directive): New functions.
7113 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7114 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7115 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7117 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7118 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7119 (struct machine_function): Define.
7120 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7122 2000-04-25 Bruce Korb <bkorb@gnu.org>
7124 * fixinc/Makefile.in: make the removal of old programs more
7126 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7127 install-bin and install-sh
7129 2000-04-25 Nick Clifton <nickc@cygnus.com>
7131 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7132 defined, define to return zero.
7133 (function_cannot_inline_p): If a function has any target
7134 specific attributes, then use the macro
7135 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7136 whether it can be inlined. If it cannot, issue a suitable
7139 * tm.texi: Add a new node 'Inlining' to document the new macro
7140 FUNCTION_ATTRIBUTE_INLINABLE_P.
7142 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7144 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7147 2000-04-25 Neil Booth <NeilB@earthling.net>
7149 Restore previous patch, plus the following fixes:
7151 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7152 flags, not CPP_OPEN_PAREN.
7153 * cpplex.c (expand_token_space, init_token_list,
7154 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7155 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7157 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7159 * config/i386/freebsd.h (INT_ASM_OP): Define.
7161 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7163 * loop.c (strength_reduce): Fix typo in the last checkin.
7165 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7167 * stor-layout.c (finalize_record_size): Simplify to use existing
7169 (compute_record_mode): No longer static.
7170 * tree.h (compute_record_mode): New declaration.
7172 2000-04-25 Neil Booth <NeilB@earthling.net>
7174 * Revert my patch below until cause of build failures
7177 2000-04-25 Richard Henderson <rth@cygnus.com>
7179 * combine.c (combine_instructions): Add missing argument
7182 * toplev.c (rest_of_compilation): Delay sibcall optimization
7183 until after emit_eh_context.
7185 2000-04-24 Nick Clifton <nickc@redhat.com>
7187 * combine.c (combine_instructions): Do not try to combine a
7188 sequence of insns when the second insn has been replaced by a
7191 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7193 * gcc.c (load_specs): New static function.
7194 (read_specs): Use it.
7196 * gcc.c (lookup_compiler): Make multiple passes for case
7197 insensitive filesystems.
7199 2000-04-24 Neil Booth <NeilB@earthling.net>
7201 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7202 * cpphash.h (_cpp_check_directive): new.
7203 * cpplex.c (handle_newline, cpp_free_token_list,
7204 init_trigraph_map, trigraph_ok, trigraph_replace,
7205 backslash_start, skip_block_comment, skip_line_comment,
7206 skip_whitespace, parse_name, parse_number, parse_string,
7207 copy_comment, _cpp_lex_line, spell_char, spell_string,
7208 spell_comment, spell_name, spell_other, _cpp_lex_file,
7209 _cpp_output_list): new.
7210 (expand_name_space): take length argument.
7211 (init_token_list): add comment list initialisation.
7212 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7213 instead of HSPACE_BEFORE.
7215 * cpplib.c (_cpp_check_directive): new
7216 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7217 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7218 (HSPACE_BEFORE): delete.
7219 (TTYPE_TABLE): rearrange.
7220 (struct cpp_toklist): update.
7222 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7224 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7225 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7226 argument form of AC_DEFINE.
7228 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7229 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7230 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7231 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7232 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7234 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7236 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7238 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7239 deduced.h): Use -isystem, not -I, for including system headers.
7241 2000-04-24 Nick Clifton <nickc@cygnus.com>
7243 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7244 the source register is the frame pointer or arg pointer.
7245 (addsi3_small_int): Disallow if source register is the frame
7246 pointer or arg pointer.
7248 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7250 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7251 call to AC_MSG_RESULT.
7253 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7255 * invoke.texi: Correct grammatical errors, document
7256 -fno-gnu-keywords as identical to -fno-asm for C++.
7258 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7260 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7261 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7262 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7263 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7264 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7266 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7267 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7268 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7269 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7272 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7274 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7275 (pop_alignment): Likewise.
7276 (handle_pragma_token): Likewise.
7278 2000-04-24 Robert Lipe <robertlipe@usa.net>
7280 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7282 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7284 * combine.c (try_combine): Update reg_nonzero_bits of
7285 newi2pat before newpat.
7287 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7289 * loop.c (strength_reduce): Simplify test to INSN_P.
7290 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7291 expressions instead of CONST_INT.
7292 (express_from_1): Likewise.
7294 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7296 * regs.h (reg_n_max): Don't declare.
7297 * flow.c (reg_n_max): Don't define.
7298 * regclass.c (renumber): Don't initialize to zero.
7299 (regno_allocated): Likewise.
7300 (reg_n_max): Define.
7301 (allocate_reg_info): Don't initialize unnecessarily.
7303 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7305 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7306 and blockage_p in the newly allocated attribute.
7308 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7310 * config/mn10300/mn10300.md (addsi): `inc4' on address
7311 registers does not modify cc, but `inc' on an extended
7314 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7316 * reload.c (find_equiv_reg): Checks all valueno regs
7317 as a reload_reg_p regs.
7319 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7321 * cpphash.c (collect_objlike_expansion): Add sanity check.
7322 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7323 the buffer is the empty string, return. Mark __DATE__ and
7324 __TIME__ as XCONST nodes, not MCONST.
7325 (_cpp_macroexpand): Avoid pushing an empty buffer.
7326 (funlike_macroexpand): Don't pop token_buffer here.
7328 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7330 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7331 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7332 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7333 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7334 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7335 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7336 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7338 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7340 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7343 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7345 * cpphash.h (struct definition): Move file, line, col members...
7346 (struct hashnode): ... here. Also add 'disabled' flag.
7347 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7348 T_IDENTITY. Remove T_DISABLED.
7351 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7352 (collect_expansion): Split into collect_objlike_expansion and
7353 collect_funlike_expansion.
7354 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7355 funlike_macroexpand.
7356 (_cpp_compare_defs): Rename compare_defs, make static.
7357 (_cpp_make_hashnode): Initialize hp->disabled.
7358 (macro_cleanup): Adjust for new token types. Clear
7360 (_cpp_create_definition): Move code here to determine what
7361 sort of macro it is, and code to check for redefinitions, from
7362 do_define. Implement a few simple cases without creating a
7364 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7365 Handle the simple cases.
7366 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7369 * cppinit.c (builtin_array): Change MCONST to XCONST
7371 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7372 fix check for disabled and function-like macros.
7373 * cpplib.c (do_define): Move most logic to
7374 _cpp_create_definition.
7375 (do_undef): Handle new special token types.
7377 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7379 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7380 of CONSTANT_P for mult_val; always use validate_change to update insn.
7382 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7384 * cpphash.c (trad_stringify, add_pat): New functions.
7385 (collect_expansion): Restore support for -traditional syntax.
7386 Use trad_stringify and add_pat.
7387 (_cpp_macroexpand): Restore support for -traditional semantics.
7388 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7389 get a COMMENT token.
7390 (_cpp_lex_token): Provide COMMENT tokens to caller if
7391 traditional and parsing_define_directive.
7392 (skip_comment): Warn about // comments if -Wtraditional.
7393 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7395 (do_undef): Don't warn about undefining EMPTY nodes.
7397 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7399 * loop.c (strength_reduce): Fix biv removal code.
7401 2000-04-22 Richard Henderson <rth@cygnus.com>
7403 * predict.c (estimate_probability): Examine both sides of
7404 a branch for no exits. Use 90% not 50% for predict taken.
7405 Reorg for one copy of note generation code.
7407 2000-04-22 Richard Henderson <rth@cygnus.com>
7409 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7411 2000-04-22 Richard Henderson <rth@cygnus.com>
7413 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7414 (output_clear): Likewise.
7415 (output_printf): Use va_copy.
7416 (vline_wrapper_message_with_location): Likewise.
7417 (v_message_with_decl): Likewise.
7418 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7419 * system.h (va_copy): Provide default implementation.
7421 2000-04-22 Richard Henderson <rth@cygnus.com>
7423 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7424 the collected condition is not a constant.
7426 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7428 * diagnostic.h: New file.
7430 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7432 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7433 various function prototypes.
7434 (diagnostic.h): #include.
7435 (struct output_buffer): Move into diagnostic.h.
7436 (get_output_prefix): Rename to output_get_prefix. Export.
7437 (init_output_buffer): Export. Break out. Ajust intialization.
7438 (output_space_left, output_append): Export.
7439 (output_newline): Rename to output_add_newline. Export.
7440 (output_clear): Nullify additional output_buffer fields.
7441 (output_puts): Rename to output_add_string. Export.
7442 (dump_output): Rename to output_flush_on. Export.
7443 (build_location_prefix): Constify return-type.
7444 (emit_output_prefix): Rename to output_emit_prefix. Export.
7445 (set_real_maximum_length): New function.
7446 (output_set_maximum_length): Ditto
7447 (output_clear): Ditto.
7448 (output_add_character): Ditto.
7449 (output_add_integer): Ditto.
7450 (output_add_space): Ditto.
7451 (output_format): Ditto.
7452 (output_printf): Adjust buffer initialization.
7453 (vline_wrapper_message_with_location): Ditto.
7454 (v_message_with_decl): Ditto. Adjust call to output_puts
7455 and get_output_prefix.
7456 (default_print_error_function): Adjust buffer intialization.
7458 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7460 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7463 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7465 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7468 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7470 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7471 accurate data about SP moves.
7473 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7475 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7476 aliases to AM33 registers.
7478 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7480 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7481 to all EXTENDED bitmaps.
7483 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7485 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7486 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7487 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7489 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7491 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7492 the operand is not constant.
7494 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7496 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7497 as a call-clobbered regs.
7499 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7501 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7503 * rtl.def: Update comment.
7504 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7505 * integrate.c (expand_inline_function): Likewise.
7506 * profile.c (branch_prob): Likewise.
7507 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7508 * print-rtl.c (print_rtx): Likewise.
7509 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7510 (reemit_notes): Likewise; also use enum insn_note.
7512 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7513 (place_field): Properly compute know and actual alignment.
7515 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7518 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7521 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7523 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7524 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7525 (collect_expansion): Rewrite to scan over a token list.
7526 Remove -traditional support.
7527 (collect_formal_parameters): Rename to collect_params; rewrite
7528 to scan over a token list.
7529 (_cpp_create_definition): Adjust to scan a token list.
7530 (_cpp_macroexpand): Remove -traditional support.
7531 (_cpp_compare_defs): Whitespace is now canonicalized.
7532 (comp_def_part): Delete function.
7534 * cpphash.h: Update prototypes.
7535 * cpplex.c (init_token_list): Don't set lineno if there is no
7537 (pedantic_whitespace): New function.
7538 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7539 consume a newline. Use pedantic_whitespace.
7540 (_cpp_lex_token): Remove support for -traditional macros.
7541 (_cpp_get_define_token): Delete.
7542 (_cpp_get_directive_token): Do the real work here. Use
7543 pedantic_whitespace.
7544 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7546 * cpplib.c (get_macro_name): Delete.
7547 (do_define): Read the entire line into pfile->directbuf, then
7548 feed the token list to _cpp_create_definition.
7549 * cpplib.h (HSPACE_BEFORE): new define.
7550 (struct cpp_reader): Add a toklist member, "directbuf".
7552 * predict.c (estimate_probability): New heuristic: if a jump
7553 branches around a block with no successors, predict it taken.
7554 Disentangle control flow.
7556 2000-04-20 Richard Henderson <rth@cygnus.com>
7558 * loop.c (emit_iv_add_mult): Revert last change.
7560 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7562 * cpplib.h (enum cpp_ttype): Add token types for all
7563 punctuators. Distinguish pp-numbers from valid C numbers.
7564 Give some tokens better names. Initialize from macro.
7565 (struct cpp_name, cpp_token, cpp_toklist): New data
7568 * cpplex.c (bump_column, expand_name_space,
7569 expand_token_space, init_token_list, cpp_output_list,
7570 _cpp_scan_line): New functions.
7571 (output_line_command): Add third argument, new line number.
7572 * cpphash.h: Update prototypes.
7573 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7576 2000-04-20 Richard Henderson <rth@cygnus.com>
7578 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7580 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7582 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7585 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7587 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7588 REG_EQUAL note explaining the calculated value.
7590 * calls.c (expand_call): Avoid unnecesary precalculation
7591 and outgoing parameters space guarding for sibling calls.
7592 (store_one_arg): Likewise.
7594 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7596 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7597 (rest_of_compilation): Write sibling dump file and account
7598 for time as jump time.
7599 * invoke.texi: Update documentation on dump flags.
7601 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7603 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7605 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7607 * cpphash.c (special_symbol): Represent an empty macro with
7608 "\r \r " not just "\r ".
7609 (_cpp_macroexpand): Correct condition for the foo ( ) special
7611 (unsafe_chars): Handle EOF as second argument.
7612 (push_macro_expansion): Simplify test for removing escape at
7613 end. Do not trim both escapes if there is no text in between.
7615 2000-04-19 Jim Blandy <jimb@redhat.com>
7617 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7618 of PTR_SIZE, when appropriate.
7620 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7622 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7623 (USE_ENUM_BITFIELDS): Fix typo.
7625 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7627 * stor-layout.c (place_field): Set rli->offset_align properly.
7629 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7631 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7632 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7633 PARM_BOUNDARY): Remove unnecessary casts.
7635 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7637 * calls.c (precompute_arguments): Remove must_preallocate and
7639 (expand_call): Update call of precompute_arguments.
7641 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7642 check_insn_for_givs): Break out from ...
7643 (strength_reduce) ... here; use for_every_insn_in_loop to call
7644 check_insn_for_givs.
7645 * loop.h (for_every_insn_in_loop): Declare.
7646 (loop_insn_callback): New type.
7648 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7650 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7653 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7655 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7658 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7660 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7662 * configure.in: Delete --disable-cpplib option and all
7663 references to cpp_main.
7664 * configure: Regenerate.
7665 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7666 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7667 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7668 cpp$(exeext). Add --no-headers to makeinfo command line when
7669 generating INSTALL. Install and uninstall cpp.1 manpage, not
7671 * install.texi: Delete all references to cexp.y/cexp.c.
7672 Delete ancient instructions for compiling GCC on 3b1.
7673 * INSTALL: Regenerate.
7675 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7676 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7677 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7679 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7680 which is no longer tested anywhere.
7682 * cppinit.c (handle_option): Don't run error message through
7685 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7687 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7688 * cpperror.c (hashtab.h): Now include.
7689 * cppexp.c (hashtab.h): Likewise.
7690 * cpplex.c (hashtab.h): Likewise.
7691 * cppfiles.c (hashtab.h): Likewise.
7692 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7693 to htab_find_slot_with_hash.
7694 * cpphash.c (hashtab.h): Now include.
7695 (_cpp_lookup_slot): INSERT is now enum insert_option.
7696 * cpphash.h (_cpp_lookup_slot): Likewise.
7697 * cppinit.c (hashtab.h): Include earlier.
7698 (initialize_builtins): Pass enum to htab_find_slot.
7699 * cpplib.c (hashtab.h): Now include.
7700 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7701 (do_pragma_poison, do_assert): Likewise.
7702 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7703 htab_find_slot_with_hash.
7704 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7705 * tree.c (type_hash_add): Likewise.
7706 (build1): Minor cleanup.
7708 * ggc-common.c: Add missing blanks.
7709 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7710 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7712 * stmt.c (mark_case_node): New function.
7713 (mark_case_nesting): Call it.
7715 * expmed.c (emit_store_flag): If comparing two-word integer
7716 with zero, can optimize NE, EQ, GE, and LT.
7718 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7719 * conflict.c: Minor cleanups.
7720 * optabs.c: Add blank line
7721 * simplify-rtx.c: Minor cleanups.
7723 2000-04-18 Stan Cox <scox@cygnus.com>
7725 * gengenrtl.c (genlegend): Fix misspelling.
7727 2000-04-18 Robert Lipe <robertlipe@usa.net>
7729 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7730 bitfields of the host compiler are not signed quantities.
7731 * config.in: Regenerate.
7732 * configure: Regenerate.
7733 * system.h (USE_ENUM_BITFIELDS): Added.
7734 (ENUM_BITFIELDS): Added.
7735 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7736 (SHORT_ENUM_BUG): Deleted.
7737 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7739 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7740 (CODE_FIELD_BUG): Likewise.
7741 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7743 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7745 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7747 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7750 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7752 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7753 * cpplib.c (do_include, do_import, do_include_next,
7754 read_line_number, detect_if_not_defined): Likewise.
7755 * cpphash.c (collect_expansion): Likewise.
7756 (special_symbol, _cpp_macroexpand): Check return from
7758 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7759 macros. Delete all uses.
7761 * gcc.dg/cpp-mi.c: Add two more test cases.
7762 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7764 2000-04-17 Richard Henderson <rth@cygnus.com>
7766 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7767 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7769 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7771 * function.c (expand_function_start): Use hard_function_value to
7772 compute the RTL to use for DECL_RESULT.
7774 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7776 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7777 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7778 x86_memory_mismatch_stall): New global variables.
7779 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7780 alloved; fix load penalties for Athlon.
7781 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7782 x86_memory_mismatch_stall): Declare.
7783 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7784 TARGET_MEMORY_MISMATCH_STALL): New.
7785 * i386.md (athlon scheduling parameters): Fix latencies according to
7786 Athlon Optimization Manual.
7787 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7789 (fsqrt instruction patterns): Set athlon_decode to direct.
7790 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7791 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7792 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7793 and TARGET_PARTIAL_REGISTER_STALL machines.
7794 (pushdf_nointeger): New pattern.
7795 (pushdf_integer): Rename from pushdf.
7796 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7797 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7799 2000-04-17 Richard Henderson <rth@cygnus.com>
7801 * loop.c (canonicalize_condition): Add WANT_REG argument.
7802 Stop the search if we match it.
7803 * expr.h (canonicalize_condition): Update decl.
7804 * predict.c (expected_value_to_br_prob): Use it. Track last
7805 expected value note.
7806 (find_expected_value): Remove.
7808 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7810 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7812 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7813 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7815 * configure.in: Call AC_FUNC_MMAP_FILE.
7816 * configure: Regenerate.
7817 * config.in: Regenerate.
7819 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7820 * fixinc/fixincl.c: Likewise.
7822 2000-04-17 Richard Henderson <rth@cygnus.com>
7824 * builtins.c (expand_builtin_expect): New.
7825 (expand_builtin): Call it.
7826 * builtins.def (BUILT_IN_EXPECT): New.
7827 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7828 * extend.texi: Document it.
7830 * predict.c (expected_value_to_br_prob): New.
7831 (find_expected_value): New.
7832 * basic-block.h (expected_value_to_br_prob): Declare.
7833 * toplev.c (rest_of_compilation): Invoke it.
7835 * rtl.h (NOTE_EXPECTED_VALUE): New.
7836 (NOTE_INSN_EXPECTED_VALUE): New.
7837 * rtl.c (note_insn_name): Update.
7838 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7839 cases; handle NOTE_INSN_EXPECTED_VALUE.
7841 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7843 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7844 leaf sibcall delay slot if flag_pic.
7845 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7847 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7849 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7851 * fixproto: If fix-header fails, exit with an error.
7853 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7855 * cse.c (struct check_depdendence_data): New.
7856 (check_dependence): New function.
7857 (invalidate): Use check_depdenence.
7859 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7861 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
7862 UNITS_PER_WORD is unsigned.
7864 * tree.h (struct tree_common): Remove misleading comment.
7866 2000-04-16 Dave Pitts <dpitts@cozx.com>
7868 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
7869 message in quotes. Otherwise, IBM's make program treats the '#' as the
7870 start of a comment and ignores the remainder of the line.
7872 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
7874 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
7875 * cexp.y (initialize_random_junk): Likewise.
7876 * cppfiles.c (find_include_file): Cast alloca return value.
7877 * cppinit.c (initialize_standard_includes): Likewise.
7878 * cpplib.c (cpp_define, cpp_undef): Likewise.
7879 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
7880 * final.c (output_asm_insn): Allow for holes in EBCDIC.
7881 * fold-const.c (CHARMASK): New.
7882 (real_hex_to_f): Use it.
7883 * real.c (CHARMASK): New.
7884 (etoasc, asctoeg): Use it.
7885 (asctoeg): EBCDIC lower case characters preceed upper case.
7887 * i370.c (mvs_add_label): Change spacing for coding conventions.
7888 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
7889 outputing case vectors.
7890 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
7891 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
7892 since vector in in the data CSECT.
7893 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
7894 * i370.md (Many patterns): Put the length in the XL directives.
7895 (movdi): Put back STM and MVC in definition.
7896 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
7897 pattern using the TCA.
7898 * oe.h (CPP_SPEC): Added to allow trigraphs.
7899 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
7900 not support the "long long" type.
7902 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7904 * config/mips/mips-protos.h (mips_legitimate_address_p): New
7906 (mips_reg_mode_ok_for_base_p): Likewise.
7907 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
7908 (REG_OK_FOR_INDEX_P): Define unconditionally.
7909 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
7910 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
7911 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
7912 that GET_MODE_SIZE is unsigned.
7913 (mips_reg_mode_ok_for_base_p): Define.
7914 (mips_legitimate_address_p): Likewise. Adjust now
7915 that GET_MODE_SIZE is unsigned.
7916 (block_move_loop): Make the number of bytes unsigned.
7917 (expand_block_move): Likewise.
7918 (function_arg): Make the loop counter unsigned to match the
7921 2000-04-16 Richard Henderson <rth@cygnus.com>
7923 * rtl.h (enum insn_note): New enumeration. Subsume
7924 NOTE_INSN_DELETED and friends.
7925 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
7926 * rtl.c (note_insn_name): Tweak string order.
7928 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
7930 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
7933 * cpplex.c (output_line_command): Remove debugging prints.
7934 (cpp_output_tokens): Don't write out a zero-length buffer or
7935 try to see if it has a newline in it.
7936 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
7937 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
7938 the end of the loop. Use memmove. Don't read past the end of
7939 the buffer. Remove trailing newlines from error messages.
7941 2004-04-16 Neil Booth <NeilB@earthling.net>
7943 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
7944 * cpplib.c: Add new syntax flags to directive table, and
7947 2000-04-15 Ulrich Drepper <drepper@redhat.com>
7949 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
7952 2000-04-15 David Edelsohn <edelsohn@gnu.org>
7954 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
7955 * haifa-sched.c: Update -fsched-verbose comments to use "=".
7957 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7959 * Makefile.in (ggc-page.o): Now includes toplev.h.
7960 * ggc-page.c (toplev.h): Now included.
7961 (gc_time): Remove declaration.
7962 (ggc_collect): TIME now long.
7963 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
7965 * toplev.h (gc_time, parse_time, gc_time): New declarations.
7967 * toplev.c: Make *_time variable long to reduce chance of overflow.
7968 (TIMEVAR): Likewise for `otime'.
7969 (print_time): Arg is now long; compute percentage in FP and round.
7970 * toplev.h (print_time): Arg is long.
7972 * tree.c: Minor whitespace changes.
7974 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
7975 * configure: Rebuilt.
7976 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
7977 (__fixunsxfDI): Renamed from __fixunsxfdi.
7978 (__fixunsdfDI): Renamed from __fixunsdfdi.
7979 (__fixunssfDI): Renamed from __fixunssfdi.
7980 (__floatdisf): Use proper type in REP_BIT macro.
7981 (__fixunsxfSI): Renamed from __fixunsxfsi.
7982 (__fixunsdfSI): Renamed from __fixunsdfsi.
7983 (__fixunssfSI): Renamed from __fixunssfsi.
7984 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
7985 Change location of macros and upper-case some names as above.
7986 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
7987 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
7989 * varasm.c (assemble_variable): Add cast to remove warning.
7990 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
7992 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
7993 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
7994 region number to -1.
7996 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
7998 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
7999 call unshare_all_rtl.
8001 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8003 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8005 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8006 Use .s1 not .s0 for all FP instructions.
8008 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8010 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8012 (safe_fwrite, output_line_command): New static functions.
8013 (cpp_expand_to_buffer): Now private to cpplib.
8014 (cpp_scan_buffer): Take a printer.
8016 * cpphash.h: Update prototypes.
8017 * cpplib.h: Update prototypes.
8019 (cpp_buffer): Remove last_nominal_fname.
8020 (cpp_reader): Remove lineno.
8022 * cppmain.c: Use a cpp_printer.
8023 * fix-header.c: No need to inhibit line commands. Call
8024 cpp_start_read with no printer.
8026 * cpperror.c (cpp_notice_from_errno): Provide default name.
8027 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8028 (find_include_file, cpp_read_file): Use make_IHASH.
8029 (file_cleanup): Set control_macro and clear
8030 input_stack_listing_current here.
8031 (_cpp_execute_include): Don't output entering-file marker.
8032 * cpphash.c (special_symbol): Look for the line number in the
8033 buffer, not the reader.
8034 (_cpp_macroexpand): No need to disable line commands.
8035 (_cpp_dump_definition): No need to generate line commands.
8036 (dump_hash_helper): Remove excess newline from output.
8037 * cppinit.c (dump_special_to_buffer): No need to generate line
8039 (cpp_printer_init): New.
8040 (cpp_start_read): Take a printer, and start it up if it's not
8041 NULL. No need to generate line commands.
8042 (cpp_finish): Expect no buffers stacked at all. Take a
8043 printer argument, and flush the output buffer if it's not
8045 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8046 Don't put two hashes at the beginning of an assertion.
8047 (cpp_get_token): Don't increment pfile->lineno or emit line
8048 commands here. Return EOF if there's no buffer when we get
8050 * cpplib.c (do_define, skip_if_group):
8051 No need to disable line commands.
8052 (_cpp_output_line_command): Delete function.
8053 (do_line): Don't emit line commands here, but set things up so
8054 they will be emitted if necessary. Use _cpp_fake_ihash to
8055 make unique nominal_fnames if necessary.
8056 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8057 with 0 for column, not -1.
8058 (_cpp_handle_eof): Don't set the control macro here. Don't
8059 clear input_stack_listing_current here. Don't emit line
8062 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8064 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8065 always, use the default SVR4 start address.
8067 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8068 (LINK_SHLIB_SPEC): Define.
8069 (LINK_START_DEFAULT_SPEC): Define.
8070 (LINK_OS_DEFAULT_SPEC): Define.
8072 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8074 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8075 __do_global_ctors to handle constructors.
8076 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8077 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8078 (STARTFILE_MVME_SPEC): Likewise.
8079 (STARTFILE_SIM_SPEC): Likewise.
8080 (ENDFILE_ADS_SPEC): Use crtend.
8081 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8082 (ENDFILE_MVME_SPEC): Likewise.
8083 (ENDFILE_SIM_SPEC): Likewise.
8084 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8085 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8086 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8087 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8088 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8089 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8090 (CRTSTUFF_T_CFLAGS_S): Define.
8091 * config/rs6000/eabi-ctors.c: Delete.
8093 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8096 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8100 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8102 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8103 plus mask size is smaller or equal to the mode size.
8105 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8107 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8110 * expr.c (reload.h): Now included.
8111 (emit_block_move): Set volatile_ok when checking for movstr.
8112 (emit_move_1): Check for replacements in addresses in multi-word case.
8113 * Makefile.in (expr.o): Now includes reload.h.
8115 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8116 Never have a LIBCALL end a basic block.
8117 (find_basic_blocks_1): Likewise.
8118 Reorganize CALL_INSN cases.
8120 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8122 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8124 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8125 completers from mov.ret instruction.
8127 2000-04-14 Richard Henderson <rth@cygnus.com>
8129 * fold-const.c (extract_muldiv): Don't distribute and widen
8130 multiply across plus for non-sizetype unsigned types.
8132 2000-04-14 Richard Henderson <rth@cygnus.com>
8134 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8135 If the original source is dead in the incr insn, it's dead now.
8137 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8139 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8140 see if DECL_BIT_FIELD needs to still be set.
8142 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8144 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8145 print_int_cst_octal with something that's not an INTEGER_CST.
8147 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8148 and not a SUBREG to a FLOAT rtl.
8150 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8152 * emit-rtl.c (try_split): Avoid infinite loop if the split
8153 results in a sequence that contains the original insn.
8155 2000-04-13 Andreas Jaeger <aj@suse.de>
8157 * config/mips/mips.c (expand_block_move): Pass alignment
8158 argument to move_by_pieces in bits, not bytes.
8160 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8161 __pic__ for little endian.
8163 2000-04-13 Andreas Jaeger <aj@suse.de>
8165 * config/i386/i386-protos.h: Add prototype for
8166 uno_comparison_operator.
8168 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8170 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8171 * calls.c (ECF_PURE): New flag.
8172 (emit_call_1): Handle ECF_PURE calls.
8173 (initialize_argument_information): Unset ECF_PURE flag too.
8174 (precompute_arguments): Precompute for ECF_PURE too.
8175 (expand_call): Handle ECF_PURE calls too.
8176 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8177 accept value of 2 as pure function.
8178 (emit_library_call_value, emit_library_call): Rename no_queue argument
8180 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8182 * tree.h (DECL_IS_PURE): New macro.
8183 (struct tree_decl): Add pure_flag.
8184 * c-common.c (enum attrs): Add attribute "pure".
8185 (init_attributes): Initialize attribute "pure"
8186 (decl_attributes): Handle attribute "pure".
8187 * extend.texi (Attribute "pure"): Document.
8188 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8190 (flags_from_decl_or_type): Support attribute "pure".
8192 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8194 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8195 the token except for numbers and identifiers.
8197 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8199 * i386.c (ix86_expand_binary_operator,
8200 ix86_expand_unary_operator): Check no_new_pseudos
8201 instead of reload_in_progress and reload_completed.
8202 (ix86_split_ashldi, ix86_split_ashrdi,
8203 ix86_split_lshrdi): Check no_new_pseudos instead
8204 of reload_completed.
8206 2000-04-12 Jeffrey A Law (law@cygnus.com)
8208 * function.c (purge_addressof): Unshare any shared rtl created by
8209 purge_addressof and its children.
8211 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8213 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8216 2000-04-05 Andreas Jaeger <aj@suse.de>
8218 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8219 not compiling PIC code, add flags for mabi=64.
8220 (SUBTARGET_CPP_SIZE_SPEC): New.
8221 (SUBTARGET_CPP_SPEC): New.
8222 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8223 for MIPS/Linux and lots of code needs these defines.
8225 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8227 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8228 trying the "opposite arithmetic" approach.
8230 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8232 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8233 (struct sh_args): Add new field force_mem.
8234 (INIT_CUMULATIVE_ARGS): Initialize it.
8235 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8237 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8239 * calls.c (expand_call): Do not reverse args in "equal from" field.
8240 (emit_library_call_value_1): Emit_libcall_block for const and pure
8243 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8245 * reload1.c (reload_combine): Don't enable optimization for fixed
8246 registers when encountering a BARRIER.
8248 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8250 * builtins.c (expand_builtin_memcmp): Do expansion even with
8251 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8253 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8254 stack is propertly aligned; add sanity checking for aligned
8256 (expand_library_call_value_1): Add sanity checking for aligned
8259 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8261 * calls.c (emit_library_call_value_1): Change 3rd arg to
8262 locate_and_pad_parm to disregard the setting of partial.
8264 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8266 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8268 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8269 CALL_INSN from the normal case.
8271 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8273 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8274 New global variables.
8275 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8277 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8279 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8280 TARGET_ADD_ESP_8): New macros.
8281 * i386.md: Add peep2s to convert esp adjustments to push and pop
8283 (pushsi_prologue, popsi_epilogue): New patterns.
8285 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8287 * real.c (toe64): Remove stale #endif from the last change.
8289 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8291 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8292 * real.c (toe64): Revert previous change.
8294 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8296 * objc/objc-act.c: Include ggc.h.
8297 (objc_tree_index, objc_global_trees): Convert most of the
8298 static tree variables into a static array with previous names
8300 (objc_ellipsis_node): New variable.
8301 (lang_init): Call objc_act_parse_init and c_parse_init.
8302 Create objc_ellipsis_node.
8303 (build_selector_translation_table): Use objc_ellipsis_node instead
8305 (hack_method_prototype): Likewise.
8306 (get_arg_type_list): Likewise.
8307 (start_method_def): Likewise.
8308 (continue_method_def): Likewise.
8309 (gen_method_decl): Likewise.
8310 (ggc_mark_imp_list): New function.
8311 (ggc_mark_hash_table): New function.
8312 (objc_act_parse_init): New function.
8313 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8314 * c-parse.in (c_parse_init): For objc add roots of objc specific
8315 local tree variables.
8316 * objc/objc-parse.y: Rebuilt.
8317 * objc/objc-parse.c: Rebuilt.
8318 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8320 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8322 * cse.c (delete_trivially_dead_insns): Also delete insns
8323 that copy a register to itself where the destination is
8326 2000-04-11 Richard Henderson <rth@cygnus.com>
8328 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8329 (propagate_block): Initialize them. Use them in parallel instead
8330 of one tmp variable, ie revert much of the 0408 and 0407 functional
8331 changes, but keep the structural changes.
8332 (mark_set_regs): Take new_dead from propagate_block_info instead.
8333 (mark_set_1, mark_set_reg): Likewise.
8334 (mark_used_regs): Likewise with new_live.
8335 (mark_used_reg): Likewise. Revert 0408 change.
8337 2000-04-11 Nick Clifton <nickc@cygnus.com>
8339 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8341 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8343 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8345 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8346 const section to output a CONSTRUCTOR based on the same conditions
8349 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8351 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8352 * pa/pa-protos.h (output_call): Add additional argument indicating
8353 if the call is a sibling/tail call.
8354 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8355 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8356 (function_arg, function_arg_partial_nregs): Likewise
8357 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8358 (emit_move_sequence): Zero extend certain constants as needed
8360 (compute_zdepdi_operands, output_64bit_and): New functions.
8361 (output_64bit_ior, function_arg): Likewise.
8362 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8363 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8364 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8365 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8366 (output_bvb): Likewise.
8367 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8368 (output_call): New argument 'sibcall'. Generate sibcall sequences
8370 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8371 (ouput_arg_descriptor): Do not emit argument descriptors for
8373 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8375 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8376 (FUNCTION_OK_FOR_SIBALL): Define.
8377 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8378 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8379 (CPP_SPEC): Use new spec infrastructure.
8380 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8381 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8382 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8383 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8384 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8385 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8386 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8387 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8388 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8389 (FUNCTION_ARG); Call out to C code.
8390 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8391 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8392 (MIN_UNITS_PER_WORD): Likewise.
8393 * pa/pa.md (cmpdi): New expander.
8394 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8395 (64bit conditional arithmetic): New patterns.
8396 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8397 (movsicc): Not available if modes on all the operands to not match.
8398 (movdicc): New expander and associated patterns.
8399 (64bit branches): New patterns.
8400 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8401 (pre_ldd, post_std): New patterns.
8402 (64bit addil, load low part): New patterns.
8403 (special movsf constant): Not available for TARGET_64BIT.
8404 (movsf, movdf expanders): Force constants into memory.
8405 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8406 (64bit movdf/movdi patterns): New patterns.
8407 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8409 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8410 (adddi3 expander): Allow "arith_operand" for second input.
8411 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8412 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8413 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8414 (muldi3): New expander for TARGET_64BIT.
8415 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8417 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8418 patterns for TARGET_64BIT.
8419 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8420 patterns for TARGET_64BIT.
8421 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8422 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8423 (sibcall_epilogue): New expander.
8424 (casesi): Tweak for TARGET_64BIT.
8425 (call expanders): Set & use the outgoing argument pointer. Use the
8426 64bit call patterns as needed. Add additional arg to output_call.
8427 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8428 (sibcall, sibcall_internal_symref): New expanders.
8429 (sibcall_value, sibcall_value_internal_symref
8430 (interspace_jump): Turn into an expander + matching patterns.
8431 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8432 * pa/pa64-regs.h: Eliminate trigraph sequences.
8433 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8435 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8437 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8438 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8439 cpp_token with cpp_ttype everywhere.
8440 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8441 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8442 CPP_BUF_COL. Line and column numbers are unsigned int, not
8444 * cpplex.c (cpp_buf_line_and_col): Delete.
8445 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8446 'long lineno' to 'unsigned int lineno'.
8447 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8449 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8451 * extend.texi: ISO C99 is not a draft anymore.
8452 * invoke.texi: ISO C++ is not a draft anymore.
8453 * cpp.texi: __cplusplus is required by the ISO standard.
8455 * extend.texi (-fthis-is-variable): Undocument.
8456 * flags.h (warn_template_debugging): Remove declaration.
8457 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8458 -Wenum-clash, -Wtemplate-debugging): Undocument.
8460 2000-04-10 Nick Clifton <nickc@cygnus.com>
8462 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8464 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8466 (ARM_SIGN_EXTEND): Use HOST_UINT.
8467 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8468 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8469 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8470 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8472 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8473 (arm_gen_constant): Use HOST_UINT.
8474 (arm_canonicalize_constant): Use HOST_UINT.
8475 (arm_reload_in_hi): Use HOST_UINT.
8476 (arm_reload_out_hi): Use HOST_UINT.
8477 (output_multi_immediate): Use HOST_UINT.
8478 (int_log2): Use HOST_UINT.
8479 (arm_poke_function_name): Use HOST_UINT.
8480 (arm_output_epilogue): Use arm_volatile_func().
8481 (output_thumb_prologue): Use arm_strip_name_encoding().
8483 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8485 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8486 of sequence point problems.
8488 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8490 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8492 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8494 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8496 * sbitmap.h: Whitespace changes and use upper-case macro args.
8497 (struct simple_bitmap_def): All sizes now unsigned.
8498 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8499 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8500 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8501 (sbitmap_zero): Cast bzero arg to PTR.
8502 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8503 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8504 loop to make structure clearer.
8505 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8506 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8507 (sbitmap_a_and_b_or_c): Likewise.
8508 (sbitmap_intersection_of_succs): Minor cleanups.
8509 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8510 (sbitmap_union_of_preds): Likewise.
8511 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8512 (debug_sbitmap): New function.
8514 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8515 * c-typeck.c (convert_for_assignment): Likewise.
8517 * expmed.c (init_expmed): Don't free objects we make.
8518 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8520 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8521 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8523 * gcse.c (expr_hash_table_size): Now unsigned.
8524 (compute_ae_gen): Local variable `i' now unsigned.
8525 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8526 (compute_transout, hoist_code): Likewise.
8527 (compute_local_properties): Likewise, also hash_table_size.
8528 (alloc_expr_hash_table): N_INSNS now unsigned.
8529 (delete_null_pointer_checks): Mark arg F as unused.
8531 * regrename.c: Minor cleanups, including chang some variables
8534 2000-04-10 Neil Booth <NeilB@earthling.net>
8536 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8538 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8540 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8542 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8543 __classof__, and __headof__ from the list of gnu keywords.
8544 (-ansi): Remove -foperator-names from list of implied options.
8545 Do not call it ANSI C++.
8546 (-foperator-names): Document as -fno-operator-names.
8548 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8550 * cpphash.c (timestamp): Delete.
8551 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8552 (special_symbol): Remove unnecessary braces. Remove
8553 T_VERSION. Treat T_STDC like T_CONST unless
8554 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8555 when one is encountered, then convert them into T_MCONST
8557 * cppinit.c (builtin_array): version_string is T_MCONST.
8558 __STDC__ has a "1" in its cpval. Don't have a terminator
8559 entry. Clean up which entries are dumped.
8560 (initialize_builtins): Only __STDC__ gets the special
8561 -traditional treatment. Count the length of builtin_array.
8562 Render version_string here.
8563 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8564 * cpplib.h (struct cpp_reader): Remove timebuf.
8566 2000-04-09 Richard Henderson <rth@cygnus.com>
8568 * genrecog.c (pred): Update comparison_operator for the unordered
8571 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8573 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8574 (uno_comparison_operator): New.
8575 (put_condition_code): Handle UNORDERED/ORDERED.
8576 (unsigned_comparison): Likewise.
8577 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8578 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8579 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8580 update all callers. Handle all 8 unordered operators.
8581 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8582 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8583 * config/i386/i386.h (PREDICATE_CODES): Update.
8584 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8585 (ix86_expand_branch, ix86_expand_setcc): Update.
8586 * config/i386/i386.md (sunordered, sordered): New.
8587 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8588 (bunordered, bordered): New.
8589 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8590 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8591 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8593 2000-04-09 Philip Blundell <philb@gnu.org>
8595 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8597 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8599 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8600 fix_truncxfhi2): New patterns.
8601 * i386.c (output_fix_trunc): Handle converting to HImode.
8603 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8605 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8607 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8608 (for_each_successor_phi): Change parameter to basic_block.
8609 (coalesce_regs_in_successor_phi_nodes): Likewise.
8610 (coalesce_regs_in_copies): Likewise.
8611 (compute_coalesced_reg_partition): Use basic_block instead of index.
8612 * rtl.h (convert_to_ssa): Delete.
8613 (convert_from_ssa): Likewise.
8614 (successor_phi_fn): Likewise.
8615 (for_each_successor_phi): Likewise.
8616 (in_ssa_form): Likewise.
8617 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8618 (convert_from_ssa): Likewise.
8619 (successor_phi_fn): Likewise.
8620 (in_ssa_form): Likewise.
8621 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8622 * flow.c (calculate_global_regs_live): Pass a basic_block to
8623 for_each_successor_phi.
8625 2000-04-08 Richard Henderson <rth@cygnus.com>
8627 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8628 was modified in the current insn.
8630 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8632 * arm/thumb.md: Delete.
8633 * arm/thumb-protos.h: Delete.
8635 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8637 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8639 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8641 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8644 * arm.md (nop): Use the standard RTL expression. Don't code as a
8646 (*arm_nop, *thumb_nop): Delete.
8648 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8649 constants. Use casts instead.
8650 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8651 output_multi_immediate, arm_poke_function_name): Likewise.
8652 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8653 MASK_RETURN_ADDDR): Likewise.
8655 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8657 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8660 * arm.md (eh_epilogue): New function.
8661 * arm.h (struct machine_function): Move to here ...
8662 * arm.c: ... from here.
8663 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8664 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8665 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8667 2000-03-30 Nick Clifton <nickc@cygnus.com>
8669 * config/arm/semi.h (ASM_SPEC): Restore definition.
8670 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8672 * config/arm/elf.h (ASM_SPEC): Restore definition.
8673 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8675 * config/arm/arm.h (ASM_SPEC): Remove definition.
8676 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8678 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8680 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8682 2000-03-24 Nick Clifton <nickc@cygnus.com>
8684 Various formating tidyups, elimination of compile time
8685 warnings and synchronisation with internal sources:
8687 * config/arm/arm-protos.h (assemble_align): Add prototype.
8688 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8689 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8690 (arm_return_addr_rtx): Rename to arm_return_addr.
8692 * config/arm/arm.c: Include except.h.
8693 Define shorter typenames for strict minipool_node and struct
8695 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8697 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8698 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8700 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8702 (ASM_SPEC): Define if not already defined.
8703 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8705 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8706 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8707 arm_gen_compare_reg.
8708 (indirect_jump): Only accept register operands.
8709 (load_indirect_jump): Keep this pattern since combine can generate
8712 * config/arm/coff.h: Include aout.h.
8713 (MULTILIB_DEFAULTS): Only define if not already defined.
8715 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8716 into arm.h (so that COFF ports can support thumb based aliases).
8717 (ASM_SPEC): Move definition into arm.h
8719 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8720 redundant apcs spec.
8721 (ASM_SPEC): Move definition to arm.h
8723 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8725 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8726 for entries in the .bss section
8728 2000-03-23 Nick Clifton <nickc@cygnus.com>
8730 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8731 to thumb_far_jump_used_p.
8733 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8734 single integer parameter.
8736 * config/arm/arm.c (struct machine_function): Add two new
8737 fields, 'far_jump_used' and 'arg_pointer_live'.
8738 (thumb_far_jump_used_p): Once the decision has been made that
8739 far jumps might be used, always return true.
8740 If being called from the initial elimination offset macro then
8741 do not bother to perform the test if the arg pointer is not
8743 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8744 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8746 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8748 * arm.c (output_return_instruction): Handle more cases where we can
8749 return from a function with an ldr instruction.
8750 (arm_output_epilogue): Likewise.
8752 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8753 if we need to push a large stack frame and there are no callee-saved
8756 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8757 in ARM code if the frame pointer has been eliminated.
8759 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8760 unspec_volatile arguments to avoid duplicates.
8761 (consttable_1, consttable_2): Fixes for big-endian mode.
8763 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8766 Re-write constant pool code.
8767 * arm.c (minipool_node, minipool_fix): New types.
8768 (minifix): Delete type.
8769 (arm_add_minipool_constant): Delete.
8770 (arm_compute_minipool_offsets, arm_find_barrier,
8771 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8772 (get_jump_table_size): Now returns HOST_WIDE_INT.
8773 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8775 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8776 (assign_minipool_offsets, arm_print_value): Likewise.
8777 (dump_minipool): Rewrite.
8778 (arm_barrier_cost): New function.
8779 (create_fix_barrier): New function.
8780 (push_minipool_barrier): New function.
8781 (push_minipool_fix): Record additional information about the fixup
8783 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8784 check the mode of what needs fixing.
8785 (arm_reorg): Rewrite.
8787 2000-03-08 Nick Clifton <nickc@cygnus.com>
8789 * config/arm/arm.md (indirect_jump): Force constant addresses into
8792 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8794 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8796 2000-02-24 Nick Clifton <nickc@cygnus.com>
8798 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8799 adjust is word aligned.
8800 (thumb_expand_epilogue): Make sure that stack adjust is word
8803 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8805 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8807 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8808 pointer relative addresses.
8810 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8812 * arm.c (find_barrier): Find the last barrier within the allowed
8815 2000-02-09 Nick Clifton <nickc@cygnus.com>
8817 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8819 2000-02-09 Nick Clifton <nickc@cygnus.com>
8821 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8822 ARM_FUNCTION_PROFILER.
8824 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8825 ARM_FUNCTION_PROFILER.
8827 * config/arm/linux-oldld.h: Imported from mainline sources.
8829 2000-02-07 Nick Clifton <nickc@cygnus.com>
8831 * config/arm/lib1funcs.asm: Merge in thumb functions from
8834 * config/arm/lib1thumb.asm: Delete.
8836 2000-02-04 Nick Clifton <nickc@cygnus.com>
8838 * config/arm/arm.c: Sychronised with current Red hat local
8840 * config/arm/arm.h: Ditto.
8841 * config/arm/arm-protos.h: Ditto.
8843 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8845 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8847 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8850 2000-02-02 Nick Clifton <nickc@cygnus.com>
8852 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8854 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8855 (return) was emited using an emit_insn() call.
8857 2000-01-31 Nick Clifton <nickc@cygnus.com>
8859 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8861 (thumb_exit): Move frame pointer back into hard frame pointer
8862 register if backtracing is being used.
8864 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
8866 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
8869 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
8871 * config/arm/arm.md (neg_pool_offset): Provide default for new
8873 (arm_movsi_insn): Add neg_pool_offset attribute.
8874 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
8875 rtx for the insn that starts the scan and an unsigned long for its
8876 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
8877 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
8878 instructions in *PINSERTED.
8879 (struct minipool_fixup): Add MIN_ADDRESS elt.
8880 (sort_fixups): Compute it.
8881 (arm_reorg): Changes to support inserting pools before the insn to be
8884 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
8886 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
8887 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
8888 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
8890 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
8892 * config/arm/semi.h (TARGET_VERSION): Do not define if already
8894 (TARGET_DEFAULT): Do not define if already defined.
8896 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
8898 * config/arm/arm.md (anddi3): Allow disjoint source operands.
8899 (iordi3): Allow disjoint source operands.
8900 (xordi3): Allow disjoint source operands.
8901 (negdi2): Permit construction for ARM and Thumb.
8902 (arm_negdi2): Renamed version of old negdi2 pattern.
8903 (thumb_negdi2): New pattern: Only permit non-overlapping
8904 source and destination.
8906 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
8908 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
8909 scratch low register so that it will not be deleted.
8911 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
8913 * config/arm/pe.h (ARM_PE): Define.
8915 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
8916 interfacearm attribute if this is a PE toolchain.
8917 (output_return_instruction): Do not emit anything if the function
8918 has the naked attribute set.
8919 (is_called_in_ARM_mode): If the function has the interfacearm
8920 attribute then return true.
8921 (thumb_expand_prologue): Do not generate a prologue for naked
8923 (thumb_expand_epilogue): Do not generate an epilogie for a naked
8925 (output_thumb_prologue): Do not bother if the function is naked.
8926 Strip PE encoding from function name before emitting.
8928 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
8930 * arm.md (pic_load_addr): Fix constraints.
8932 * arm.md (casesi_insn): Fix mis-applied patch.
8934 * arm.md ("core" function unit): Add rules for single- and
8936 (All TARGET_THUMB patterns): Add "type" attribute information
8938 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
8939 the following insn is a CALL.
8941 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
8943 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
8944 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
8945 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
8947 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
8949 * config/arm/linux-gas.h: oops - this file was missed out when the
8950 branch was created...
8952 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
8954 * thumb.c: Deleted. Move contents to ...
8956 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
8958 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
8961 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
8962 declare a prototype for asm_output_align();
8964 * arm.c (thumb_condition_code): Delete.
8965 (arm_print_operand): Always use arm_condition_code array.
8967 * arm.c (thumb_return_addr_rtx): Delete.
8968 (arm_save_machine_status, arm_restore_machine_status): Delete.
8969 (arm_init_machine_status, arm_mark_machine_status): New functions.
8970 (arm_init_expanders): Update accordingly.
8971 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
8972 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
8973 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
8975 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
8977 * configure.in : Fix arm-*-aout target to use new t-arm-aout
8979 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
8982 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
8984 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
8985 stack backtrace structure.
8987 * config/arm/arm-protos.h: Add prototypes for functions defined in
8990 * config/arm/arm.c (arm_override_options): Fix selection of
8991 attributes of default processor.
8993 * config/arm/coff.h: Delete needless #include.
8995 * config/arm/pe.c: Delete unused code.
8997 * config/arm/pe.h (CPP_DEFINES): Delete
8998 (SUBTARGET_CPP_SPEC): Define.
8999 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9001 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9003 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9005 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9007 (CAN_DEBUG_WITHOUT_FP): Define.
9008 (FIXED_REGISTERS): Make r11 call-saved.
9009 (CALL_USED_REGISTERS): Likewise.
9010 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9011 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9012 frame-pointer is required.
9013 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9014 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9015 if the target normally needs a stack frame in non-leaf functions.
9016 (use_return_insn): Correct logic for determining when a return
9017 instruction can be used.
9018 (output_return_instruction): Handle the frame-pointer register as
9019 a normal register when not TARGET_APCS_FRAME.
9020 (arm_output_prologue): Likewise.
9021 (arm_output_epilogue): Likewise.
9022 (output_func_epilogue): Likewise.
9023 (arm_expand_prologue): Likewise.
9024 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9026 * arm.c (use_return_insn): No need to check floating point regs if
9028 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9029 the code of value stored in the minipool array.
9030 (arm_add_minipool_constant): Likewise.
9032 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9034 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9036 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9038 * tree.c (tree_expr_nonnegative_p): New function.
9040 * tree.h (tree_expr_nonnegative_p): Declare.
9042 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9043 elide some sign_compare warnings.
9044 (build_conditional_expr): Likewise.
9046 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9048 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9050 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9051 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9052 operand. Abort if a 387 operand has an unsupported size.
9054 2000-04-08 Neil Booth <NeilB@earthling.net>
9056 * cppexp.c (parse_charconst): Null does not end character
9058 * cppinit.c (ISTABLE): Null character handled as whitespace.
9059 * cpplex.c (null_warning): new function.
9060 (skip_string): Emit warning if nulls encountered.
9061 (_cpp_skip_hspace): Emit warning if nulls encountered.
9062 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9066 2000-04-07 Richard Henderson <rth@cygnus.com>
9068 * flow.c (loop_depth): Remove.
9069 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9070 (struct propagate_block_info): New.
9071 (life_analysis): Don't allocate reg_next_use.
9072 (propagate_block_delete_insn): Break out of propagate_block.
9073 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9074 (propagate_block_delete_libcall): Likewise.
9075 (propagate_block): Create a propagate_block_info struct to pass
9076 to subroutines. Allocate one not two temporary regsets. Don't
9077 clobber memory for const calls. Look for clobbers in
9078 CALL_INSN_FUNCTION_USAGE.
9079 (mark_set_regs): Recognize COND_EXEC.
9080 (mark_set_reg): Break out of mark_set_1.
9081 (mark_used_reg): Break out of mark_used_regs.
9082 (mark_used_regs): Recognize COND_EXEC.
9083 (insn_dead_p): Use propagate_block_info struct.
9084 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9085 (find_auto_inc, try_pre_increment_1): Likewise.
9086 (print_rtl_with_bb): Dump regs live at end too.
9087 (count_reg_sets_1): Pass in loop_depth.
9088 (count_reg_sets, count_reg_references): Likewise.
9089 (recompute_reg_usage): Provide it.
9091 2000-04-07 Richard Henderson <rth@cygnus.com>
9093 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9096 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9098 * cpplib.c (do_elif): Skip the rest of the line if we're
9099 not going to bother evaluating it.
9100 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9101 to avoid pointless calls to the lexer.
9103 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9105 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9107 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9109 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9111 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9113 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9115 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9117 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9118 crtend so they can be multilibbed.
9119 (STAGESTUFF): Remove s-crt and s-crtS.
9121 2000-04-07 Richard Henderson <rth@cygnus.com>
9123 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9124 if we discover we need a pseudo and no_new_pseudos is true.
9125 * config/alpha/alpha.md (ne:DI insn): New.
9126 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9128 2000-04-07 Richard Henderson <rth@cygnus.com>
9130 * rtl.def (COND_EXEC): New.
9131 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9132 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9134 * genconfig.c (have_cond_arith_flag): Remove.
9135 (have_cond_exec_flag): New.
9136 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9137 (main): Print HAVE_conditional_execution.
9139 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9140 (sched_analyze_insn, print_pattern): Likewise.
9141 * reload.c (find_equiv_reg): Likewise.
9142 * rtlanal.c (reg_referenced_p): Likewise.
9143 (note_stores, dead_or_set_regno_p): Likewise.
9144 (reg_overlap_mentioned_p): Rewrite to use a switch.
9146 * ggc.h (struct rtx_def): Forward declare.
9148 * print-rtl.c (debug_rtx_range): New.
9149 * rtl.h (debug_rtx_range): Declare.
9151 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9153 * gcse.c (gcse_main): Don't rebuild the CFG here.
9154 (delete_null_pointer_checks): Likewise.
9155 * ssa.c (convert_to_ssa): Likewise.
9156 * toplev.c (rest_of_compilation): Do it here instead. Combine
9157 sequential calls to TIMEVAR. Consistently use `insns' instead of
9158 `get_insns()'. Always split insns after reload when optimizing.
9160 * basic-block.h (merge_blocks_nomove): Declare.
9161 (tidy_fallthru_edge): Declare.
9162 * flow.c (merge_blocks_nomove): Document as merging into previous
9163 blocks. Remove cruft from between blocks; remove all edges out of A.
9164 (tidy_fallthru_edge): Export.
9166 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9168 * ssa.c (compute_conservative_reg_partition): Declare with
9170 * toplev.c (clean_dump_file): Remove previously-deleted function
9171 inadvertantly merged back in.
9172 * conflict.c (conflict_graph_add): Use a single call to
9173 htab_find_slot to look up and insert.
9175 2000-04-06 Richard Henderson <rth@cygnus.com>
9177 * genrecog.c (*): Rename _last_insn to last_insn.
9178 (make_insn_sequence): Set the position of the peephole2 C test
9179 to be at the last insn.
9181 2000-04-06 Richard Henderson <rth@cygnus.com>
9183 * flow.c (compute_flow_dominators): Free worklist.
9185 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9187 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9189 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9191 * rtl.h (INSN_P): New macro.
9192 (successor_phi_fn): New typedef.
9193 (for_each_successor_phi): New prototype.
9194 (in_ssa_form): New variable.
9195 (PHI_NODE_P): Likewise.
9196 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9197 phi nodes in successors.
9198 (mark_used_regs): Add PHI case.
9199 (set_phi_alternative_reg): New function.
9200 (life_analysis): Assert that dead code elimination is not selected
9202 * toplev.c (to_ssa_time): New variable.
9203 (from_ssa_time): Likewise.
9204 (compile_file): Zero to_ssa_time and from_ssa_time.
9205 Print time to convert to and from SSA.
9206 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9207 (print_time): Compute percent fraction as integer.
9208 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9209 (convert_to_ssa): Check if we're already in SSA.
9210 Don't eliminate dead code in life_analysis.
9211 Rerun flow and life analysis at bottom.
9212 (eliminate_phi): Use canonical regnos when adding nodes.
9213 (mark_reg_in_phi): New function.
9214 (mark_phi_and_copy_regs): Likewise.
9215 (convert_from_ssa): Rerun life analysis at top.
9216 Use coalesced partition.
9217 Check for removing a phi node at the end of the block.
9218 (compute_coalesced_reg_partition): New function.
9219 (coalesce_regs_in_copies): Likewise.
9220 (coalesce_reg_in_phi): Likewise.
9221 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9222 (for_each_successor_phi): Likewise.
9223 (rename_context): New struct.
9224 (rename_block): Use a rename_context with rename_insn_1. When
9225 renaming sets of a subreg, emit a copy of the entire reg first.
9226 (rename_insn_1): Treat data as a rename_context *. Save current
9228 (rename_set_data): Add field set_insn.
9229 * Makefile.in (HASHTAB_H): Move up in file.
9230 (OBSTACK_H): New macro.
9231 (collect2.o): Use OBSTACK_H in dependencies.
9232 (sdbout.o): Likewise.
9233 (emit-rtl.o): Likewise.
9234 (simplify-rtx.o): Likewise.
9235 (fix-header.o): Likewise.
9236 (OBJS): Add conflict.o.
9237 (conflict.o): New rule.
9238 * basic-block.h: Include partition.h.
9239 (conflict_graph): New typedef.
9240 (conflict_graph_enum_fn): Likewise.
9241 (conflict_graph_new): New prototype.
9242 (conflict_graph_delete): Likewise.
9243 (conflict_graph_add): Likewise.
9244 (conflict_graph_conflict_p): Likewise.
9245 (conflict_graph_enum): Likewise.
9246 (conflict_graph_merge_regs): Likewise.
9247 (conflict_graph_print): Likewise.
9248 (conflict_graph_compute): Likewise.
9249 * conflict.c: New file.
9251 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9253 * tlink.c (read_repo_files): Don't look for .rpo info for
9256 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9258 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9260 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9262 * config/sh/lib1funcs.asm (___udivsi3_i4):
9263 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9264 only depends on FMOVD_WORKS.
9266 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9268 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9269 make double constant 8-byte aligned.
9271 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9273 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9274 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9275 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9276 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9277 Accept storing GENERAL_REGS into offsetable memory.
9278 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9279 building a TFmode constant other than 0.0L into GENERAL_REGS.
9281 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9283 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9285 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9287 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9288 (macro_cleanup): No need to cast pbuf->macro.
9289 (collect_expansion): Use _cpp_get_define_token. Goto done if
9290 it returns VSPACE. Remove check for trailing space after
9292 (_cpp_create_definition): Don't diddle flags here. Return
9294 (unsafe_chars): Handle c1 being EOF.
9295 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9296 checks. Don't push the buffer till after we're done with
9298 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9299 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9300 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9302 (_cpp_parse_assertion): Don't NUL terminate.
9303 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9304 hspace before calling _cpp_parse_assertion. Remove all sets
9305 of only_seen_white. Treat '\f' as hspace. Don't do anything
9306 special with '\n' here.
9307 (maybe_macroexpand): Handle T_EMPTY hash entries without
9308 pushing a buffer at all.
9309 (cpp_get_token): Handle clearing only_seen_white here. Handle
9310 incrementing the line number here. Clear
9311 potential_control_macro as well as only_seen_white, if
9313 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9314 (_cpp_get_define_token): New function, basically like
9315 _cpp_get_directive_token was but doesn't eat horizontal space.
9316 Don't do anything with only_seen_white here.
9317 (_cpp_get_directive_token): Just call _cpp_get_define_token
9318 repeatedly till it returns non-hspace.
9320 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9321 (conditional_skip, skip_if_group): Return int.
9322 (DIRECTIVE_TABLE): Change origin of all conditional directives
9324 (TRAD_DIRECT_P): New macro.
9325 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9326 an error for a bogus directive, unless -lang-asm. Use
9327 TRAD_DIRECT_P. Loop calling handler functions till one returns
9329 (get_macro_name): Don't diddle flags here.
9330 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9331 Create T_EMPTY nodes for #define macro /* nothing */.
9332 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9333 Use hp->name when calling pass_thru_directive.
9334 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9335 Return the result of conditional_skip and/or skip_if_group.
9336 Don't call _cpp_output_line_command.
9337 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9338 Issue -Wtraditional warnings as appropriate. Don't complain
9339 about unrecognized directives. If we are to stop skipping,
9340 return the number of the directive that ended the skip.
9341 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9342 expansion and line commands while skipping. Return the result
9343 of consider_directive_while_skipping, if nonzero.
9344 (do_endif): Just set potential_control_macro here.
9345 (validate_else): Use _cpp_get_directive_token.
9346 (do_assert, do_unassert): Don't save pointers into the
9347 token_buffer across calls to the lexer. Use
9348 _cpp_get_directive_token.
9350 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9351 pointer, not an offset. Replace 'data', which was a generic
9352 pointer, with 'macro', which points to a struct hashnode.
9353 (cpp_reader): Add 'potential_control_macro' pointer.
9354 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9355 (CPP_BUF_GET, CPP_FORWARD): Delete.
9356 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9357 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9358 ACTIVE_MARK_P): Update.
9359 (_cpp_get_define_token): New internal function.
9360 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9362 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9364 * configure.in: And here.
9365 * configure: Regenerate.
9366 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9367 --enable-libstdcxx-v3 is passed at configure time.
9368 * config.h.in: Regenerate.
9370 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9372 * final.c (final): Use xcalloc to allocate line_note_exists.
9373 * function.c (free_after_compilation): Free the temp_slots.
9374 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9375 (combine_temp_slot): Free temp_slots when they get combined.
9376 (purge_addressof): Fix typo in comment.
9377 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9378 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9380 * ggc.h: Include varray.h.
9381 (ggc_pending_trees): Declare.
9382 (ggc_mark_tree_children): Remove declaration.
9383 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9384 * ggc-common.c (ggc_pending_trees): New variable.
9385 (ggc_mark_roots): Call ggc_mark_trees.
9386 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9387 the ggc_pending_trees.
9388 * Makefile.in (GGC_H): New variable. Use it throughout in place
9391 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9393 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9396 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9398 * sh.c (sh_insn_length_adjustment): New function.
9399 * sh-protos.h (sh_insn_length_adjustment): Declare.
9400 * sh.h (ADJUST_INSN_LENGTH): Use it.
9402 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9404 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9405 from the insn where REG_RETVAL is added.
9406 (emit_no_conflict_block): Ditto.
9408 * md.texi (Standard Names): Clarify when movX is needed.
9410 * combine.c (simplify_comparison) [MINUS]: Do not replace
9411 all (op (minus A B) 0) with (op A B).
9413 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9414 J"orn Rennecke <amylaar@cygnus.co.uk>
9416 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9417 (block_lump_real): Likewise.
9419 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9421 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9422 remaining non-zero debugging masks.
9424 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9426 * basic-block.h (verify_flow_info): Declare.
9427 (flow_loop_outside_edge_p): Declare.
9428 * flow.c (verify_flow_info): Remove declaration.
9429 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9431 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9433 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9436 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9438 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9439 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9440 seqdi_zero_trunc+1): Allow splits only if registers are
9443 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9445 * acconfig.h: Add HAVE_GAS_HIDDEN.
9446 * config.in: Regenerated.
9447 * configure.in: Add test for .hidden pseudo-op in gas.
9448 * configure: Regenerated.
9449 * crtstuff.c: Include auto-host.h.
9450 Emit additional .hidden pseudo-op for __dso_handle if the
9451 assembler knows about it.
9453 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9455 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9456 before freeing argnames.
9457 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9459 2000-04-05 Michael Meissner <meissner@redhat.com>
9461 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9462 Walton <jonboy@gordian.com> to make memory references with update
9463 work wtih -mregnames.
9465 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9467 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9468 (regrename_optimize): Rename variables `def_uses' and
9469 `ext_basic_blocks' to avoid conflicts with similarly named
9470 typedefs in traditional C.
9472 * calls.c (initialize_argument_information): Fix typo in previous
9475 2000-04-04 Richard Henderson <rth@cygnus.com>
9477 * regrename.c (consider_available): Test fixed_regs not
9478 PIC_OFFSET_TABLE_REGNUM.
9480 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9482 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9484 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9485 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9486 (ENDFILE_LINUX_SPEC): Always use crtend.
9487 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9488 (powerpc-*-linux-gnu): Likewise.
9489 * configure: Regenerate.
9491 * config/rs6000/eabi.h: Don't include sysv4.h.
9492 (MULTILIB_DEFAULTS): Don't define.
9493 * config/rs6000/eabiaix.h: Don't include eabi.h.
9494 * config/rs6000/eabile.h: Delete.
9495 * config/rs6000/eabilesim.h: Delete.
9496 * config/rs6000/eabisim.h: Don't include eabi.h.
9497 * config/rs6000/linux.h: Don't include sysv4.h.
9498 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9499 (MULTILIB_DEFAULTS): Don't redefine.
9500 * config/rs6000/rtems.h: Don't include eabi.h.
9501 * config/rs6000/sol2.h: Don't include sysv4le.h.
9502 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9503 * config/rs6000/t-ppc: Delete.
9504 * config/rs6000/t-ppcgas: Correct comment.
9505 * config/rs6000/t-ppcos: Correct comment. Don't build
9506 multilibs for -fPIC, rather use -fPIC -mstrict-align
9508 * config/rs6000/t-ppc: Delete.
9509 * config/rs6000/vxppc.h: Don't include sysv4.h.
9510 * config/rs6000/vxppcle.h: Delete.
9511 * configure.in: Use multiple header files for p2pc ELF targets
9512 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9513 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9514 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9515 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9516 always available for these platforms.
9518 2000-04-04 Richard Henderson <rth@cygnus.com>
9520 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9522 2000-04-04 Stan Cox <scox@cygnus.com>
9524 * Makefile.in: Add rules for regrename.o
9525 * regrename.c: New file.
9526 * rtl.h (regrename_optimize): Add prototype.
9527 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9528 (compile_file, decode_d_option): Add support for -frename-registers.
9529 (rest_of_compilation): Call regrename_optimize.
9530 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9533 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9535 * Makefile (gccbug): New target.
9536 (doc): Depend on it.
9537 * gcc.texi (Bugs): Link subnodes.
9539 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9540 Document severities, priorities, and classes in bug form.
9542 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9544 * cpplex.c (trigraph_map, speccase): Combine into single
9546 (NORMAL, NONTRI): New macros.
9547 (_cpp_read_and_prescan): Change to use unified table. Use
9548 is_hspace to test for whitespace.
9550 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9551 definition that doesn't provoke the "empty body in an
9552 if-statement" warning.
9554 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9556 * builtins.c (expand_builtin_strlen): Force the source to
9557 be a memory address.
9559 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9561 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9563 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9565 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9566 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9567 (ECF_IS_CONST): Rename to ECF_CONST.
9568 (special_function_p): Make static, change interface.
9569 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9570 (expand_call) ... here; convert number of variables to flags.
9571 (emit_library_call_vlue_1): Likewise.
9572 (setjmp_call_p): New function.
9573 (initialize_argument_information): Accepts flags as argument;
9575 (precompute_arguments): Likewise.
9576 * tree.h (special_function_p): Remove.
9577 (setjmp_call_p): Add prototype.
9579 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9581 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9582 so that addresses are offsetable by up to 16 bytes.
9583 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9584 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9587 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9588 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9589 (movsf): Don't force any constant to memory if target is integer
9591 Move fp_zero_operand check below the const0_rtx check.
9592 (movtf): Likewise. Also allow fp_zero_operand for stores into
9594 (movdf): Likewise. Also allow fp_zero_operand for stores into
9595 memory and into integer hard registers.
9596 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9597 movdf_const_intreg_sp64): Remove.
9598 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9600 (movdf_no_e_insn_v9_sp32): New pattern.
9601 (movdf_insn_v9only): Remove.
9602 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9603 (movdf_insn_sp64): Remove.
9604 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9605 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9606 (following splits): Rewrite conditions. Add two new splits
9607 for storing 0.0 into memory and registers.
9608 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9609 (movtf_insn_sp32): Redo constraints and conditions.
9610 (movtf_insn_vis_sp32): New pattern.
9611 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9612 (movtf_insn_hq_sp64): Likewise.
9613 (movtf_insn_hq_vis_sp64): New pattern.
9614 (movtf_insn_sp64): Redo constraints and conditions.
9615 (movtf_insn_vis_sp64): New pattern.
9616 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9617 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9619 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9620 -mvis or -m64 to take down the number of various reload patterns.
9622 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9624 * pa/pa-64.h: New file.
9625 * pa/pa64-regs.h: New file.
9626 * pa/pa64-start.h: New file.
9627 * pa/t-pa64: New file.
9628 * pa/xm-pa64hpux.h: New file.
9630 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9632 * sparc.c (output_restore_regs): Prototype.
9633 (sparc_emit_float_lib_cmp): Constification.
9635 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9637 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9640 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9641 (get_value_hash, hash_rtx): Likewise.
9643 * ssa.c (compute_conservative_reg_partition): Prototype.
9645 * tree.c (mark_hash_entry): Prototype.
9647 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9649 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9650 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9651 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9653 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9654 * objc/lang-specs.h: Likewise.
9656 2000-04-03 Neil Booth <NeilB@earthling.net>
9658 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9659 and SYNTAX_ERROR2. Replace `' in messages with ''.
9660 (op_to_str): Make re-entrant.
9661 (_cpp_parse_expr): Implement new error macros. Use | rather
9662 than || to logically or 2 boolean integers. Simply expression
9663 checking we have a left operand iff needed.
9665 2000-04-03 Nick Clifton <nickc@cygnus.com>
9667 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9669 2000-04-03 Philip Blundell <philb@gnu.org>
9671 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9673 2000-04-03 Felix Lee <flee@cygnus.com>
9675 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9676 (run_shell): Use it.
9678 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9680 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9681 (stmp-fixproto): ...rather than here.
9683 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9685 * pa.c (print_operand): Compute 'base' only inside the code paths
9688 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9690 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9693 2000-04-03 Philipp Thomas <pthomas@suse.de>
9695 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9697 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9699 * Makefile.in (alias.o): Depend on $(TREE_H).
9701 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9703 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9705 * cpplib.c (_cpp_handle_directive): Improve warnings for
9706 traditional C and indented directives.
9708 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9709 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9710 fixinc/inclhack.def: Indent the # of #include_next one space.
9711 * cp/rtti.c: Un-indent #if and #endif.
9713 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9714 syntax error, but an error has already been printed.
9715 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9716 message when called with nothing remaining on the line.
9717 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9718 OTHER token, not an ASSERTION.
9719 * cpplib.c (do_assert): When we create a 'base' node, clear
9720 its aschain pointer.
9722 2000-04-02 Neil Booth <NeilB@earthling.net>
9724 * cppexp.c: New typedef op_t. struct operation and struct
9725 token updated to use it.
9726 (op_to_str): New function.
9727 (_cpp_parse_expr): Error messages modified to use op_to_str.
9729 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9731 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9732 before checking MUST_PASS_IN_STACK.
9734 2000-04-02 Neil Booth <NeilB@earthling.net>
9736 * cppexp.c: New FINISHED dummy token. Combine operator initial
9737 flags and initial priority into a single constant. New
9738 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9739 (_parse_cpp_expr): Implement new constants. Take left operand
9740 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9741 parse indicated by reducing FINISHED token. Remove new lines
9742 from cpp_error messages.
9744 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9746 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9749 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9751 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9752 directive. Add origin values to DIRECTIVE_TABLE. Generate
9753 the strings and function names on the fly. Take the #sccs
9754 entry out of the table if SCCS_DIRECTIVE is not defined.
9755 (_cpp_handle_directive): Decide if the # was at the beginning
9756 of the line here. Issue -pedantic warnings for extended
9757 directives here. Warn about K+R directives with the #
9758 indented, and C89/extended directives with the # not indented,
9760 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9761 do_assert, do_unassert): Don't issue pedantic warning here.
9763 * cpphash.h: Add CPP_WTRADITIONAL macro.
9764 * cpplib.h (struct cpp_options): Rename warn_stringify to
9765 warn_traditional; update comments.
9766 * cppinit.c (handle_option): Set warn_traditional not
9768 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9769 CPP_WTRADITIONAL (pfile).
9770 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9771 be ignored in -traditional mode here.
9773 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9774 to initialize speccase[] and trigraph_map[]. Delete all
9775 references to pfile->input_speccase. Always treat '?' as a
9776 special character. Remove table-initialization code from
9777 _cpp_init_input_buffer.
9779 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9780 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9782 2000-04-01 Richard Henderson <rth@cygnus.com>
9784 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9785 (mostlyclean): Likewise.
9787 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9788 (struct dump_file_info, enum dump_file_index, dump_file): New.
9789 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9790 not a string. Clean out file if we havn't yet done so. Do nothing
9791 if the dump isn't enabled.
9792 (close_dump_file): Do nothing if the dump isn't open. Dump
9793 graph data if requested.
9794 (dump_rtl, clean_dump_file): Remove.
9795 (compile_file): Don't clean the dump files. Only finalize .bp dump
9796 if flag_test_coverage or flag_branch_probabilities. Only finalize
9797 .combine dump if optimizing. Iterate over dump_file to finalize the
9799 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9800 Convert all uses of dump_rtl.
9801 (decode_d_option): Iterate over dump_file to implement 'a' and to
9802 locate pass-specific dumps.
9804 2000-04-01 Neil Booth <NeilB@earthling.net>
9806 * cppexp.c: Redefine priority constants.
9807 (_cpp_parse_expr): Replace left and right priority scheme with
9808 single priority logic. Move LOGICAL to same place as COMPARE.
9809 Remove bogus check for multiple unary +/- operators.
9811 2000-04-01 Neil Booth <NeilB@earthling.net>
9813 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9814 within the switch statement. Binary operations break out of
9815 the switch naturally. '(' tokens handled by forcing
9816 immediate shift. ')' handled by forcing immediate reduce to
9817 the previous '('. New error messages.
9819 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9821 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9822 part', it's already in use. Use %K instead. Add a return at the
9823 end of what is now %K.
9824 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9826 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9828 * builtins.c (expand_builtin_apply): Pass proper parameters to
9829 allocate_dynamic_stack_space.
9830 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9831 update stack_pointer_delta; do not update arg_size_so_far.
9832 (compute_argument_block_size): Use stack_delta instead of
9833 stack_pointer_pending and arg_size_so_far.
9834 (expand_call): Add sanity checking for stack_pointer_delta;
9835 save and restore stack_pointer_delta for SIB, use
9836 stack_pointer_delta for alignment; do not update arg_space_so_far.
9837 (emit_library_call_value): Use stack_pointer_delta for alignment.
9838 (store_one_arg): Do not update arg_space_so_far.
9839 * explow.c (adjust_stack, anti_adjust_stack): Update
9840 stack_pointer_delta.
9841 (allocate_dynamic_stack_space): Add sanity checking for
9842 stack_pointer_delta.
9843 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9844 stack_pointer_delta.
9845 (emit_push_insn): Update stack_pointer_delta.
9846 * function.h (struct expr_status): Add x_stack_pointer_delta;
9847 remove x_arg_space_so_far.
9848 (arg_space_so_far): Remove.
9849 (stack_pointer_delta): New macro.
9851 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9853 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9854 Reorder struct cpp_options and struct cpp_reader for better
9855 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9856 takes two args. Change all 'char' flags to 'unsigned char'.
9857 Move show_column flag into struct cpp_options. Don't
9858 prototype cpp_options_init.
9859 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9860 cppinit.c, cpplex.c, cpplib.c:
9861 Replace CPP_OPTIONS (pfile)->whatever with
9862 CPP_OPTION (pfile, whatever), and likewise for
9863 opts = CPP_OPTIONS (pfile); ... opts->whatever;
9865 * cppinit.c (merge_include_chains): Take a cpp_reader *.
9866 Extract CPP_OPTION (pfile, pending) and work with that
9868 (cpp_options_init): Delete.
9869 (cpp_reader_init): Turn on on-by-default options here.
9870 Allocate the pending structure here.
9871 (cl_options, enum opt_code): Define these from the same table,
9872 kept in a large macro. Add -fshow-column and -fno-show-column
9875 * cpperror.c (v_message): If show_column is off, don't print
9878 * cppmain.c: Update for new interface.
9879 * fix-header.c: Likewise.
9881 2000-03-30 Geoff Keating <geoffk@cygnus.com>
9883 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
9885 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
9886 are passed to any invocation of AR_FOR_TARGET.
9887 (AR_CREATE_FOR_TARGET): New macro.
9888 (AR_EXTRACT_FOR_TARGET): New macro.
9889 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
9890 AR_EXTRACT_FOR_TARGET.
9891 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
9892 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
9893 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
9894 AR_EXTRACT_FOR_TARGET to sub-makes.
9896 2000-03-31 Neil Booth <NeilB@earthling.net>
9898 * cppexp.c: Delete SKIP_OPERAND. Correct priority
9900 (_cpp_parse_expr): Check for multiple unary +/- operators.
9901 Correct priorities of ':' and '?'. Treat ')' as having a
9902 value. Ensure conditional expression is not void.
9904 2000-03-31 Mark Mitchell <mark@codesourcery.com>
9906 * alias.c (canon_rtx): Make it global.
9907 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
9909 * cse.c (struct table_elt): Add canon_exp.
9911 (invalidate): Canonicalize expressions only once.
9912 * rtl.h (canon_rtx): Declare.
9914 2000-03-30 Mark Mitchell <mark@codesourcery.com>
9916 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
9917 * alias.c (reg_known_value): Add comments.
9918 (init_alias_analysis): Likewise.
9919 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
9921 (cse_basic_block): Fix typo in comment.
9922 * emit-rtl.c: Include hashtab.h.
9923 (const_int_htab): New variable.
9924 (const_int_htab_hash): New function.
9925 (const_int_htab_eq): Likewise.
9926 (rtx_htab_mark_1): Likewise.
9927 (rtx_htab_mark): Likewise.
9928 (gen_rtx_CONST_INT): Cache all CONST_INTs.
9929 (unshare_all_rtx): Fix formatting.
9930 (init_emit_once): Initialize const_int_htab.
9931 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
9933 * rtl.texi: Document the fact that all CONST_INTs with the same
9936 2000-03-30 Richard Henderson <rth@cygnus.com>
9938 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
9940 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
9942 * configure.in: Comment out --enable-c-cpplib stanza.
9943 * configure: Regenerate.
9945 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9947 * expr.c (store_constructor): Properly compute displacement and
9948 alignment when offset is variable.
9950 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
9951 cases of alignment in bytes.
9953 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
9955 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
9956 since it is used to generate c-parse.y.
9957 * objc-parse.c, objc-parse.y: Regenerated.
9959 * function.c (expand_function_end): Pass alignment argument to
9960 emit_block_move in bits, not bytes.
9962 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9964 * expr.c (move_by_pieces_ninsns): Fix one more missing align
9967 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
9969 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
9970 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
9971 * function.c (assign_parms): Likewise.
9972 * integrate.c (expand_inline_function): Likewise.
9973 * stmt.c (expand_decl): Likewise.
9974 (copy_rtx_and_substitute): Likewise.
9975 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
9976 (clear_by_pieces): Fix error in last change.
9977 * emit-rtl.c (init_emit): Set known registers alignment in bits.
9978 * function.h (regno_pointer_align): Now unsigned.
9979 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
9981 * config/i386/i386.c (aligned_operand): Likewise.
9982 * config/sparc/sparc.c (mem_min_alignment): Likewise.
9983 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
9984 (unaligned_memory_operand): Likewise.
9985 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
9986 Also make alignments and sizes unsigned and some whitespace cleanup.
9987 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
9989 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
9990 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
9991 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
9992 (expand_builtin_memset): Likewise, but to clear_storage.
9993 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
9994 (restore_fixed_argument_area): Likewise.
9995 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
9996 (load_register_parameters): Likewise, to emit_group_load.
9997 (expand_call): Likewise, to emit_group_store and emit_block_move.
9998 (emit_library_call_value_1): Likewise, to emit_block_move.
9999 (store_one_arg): Likewise, and to emit_push_insn.
10000 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10001 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10002 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10003 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10004 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10005 (expand_assigment, store_expr, store_constructor_field): Likewise.
10006 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10007 (store_constructor, store_field, get_inner_reference): Likewise.
10008 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10009 (expand_expr, case COMPONENT_REF): Likewise.
10010 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10011 and positions; reindent code.
10012 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10013 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10014 (assign_parms): Likewise to emit_group_store.
10015 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10016 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10017 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10018 (expand_return): Likewise to {extract,store}_bit_field.
10019 * stor-layout.c (get_mode_alignment): Minor cleanup.
10020 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10021 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10023 2000-03-29 Nick Clifton <nickc@cygnus.com>
10025 * config/arm/arm.h: Undo effects of previous delta:
10026 (ASM_SPEC): Do not define.
10027 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10029 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10032 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10034 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10035 only after reading in the primary source file.
10037 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10039 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10040 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10041 or a reference to a va_list.
10042 * builtins.c (stabilize_va_list): Simplify now we don't have to
10043 work around C array address decay.
10044 * c-typeck.c (convert_for_assignment): Handle assignment to
10045 a reference parameter by taking the address of the RHS.
10046 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10047 (va_copy): Likewise.
10048 (__va_copy): Likewise.
10049 * ginclude/varargs.h (va_start): Likewise.
10050 (__va_copy): Likewise.
10052 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10054 * i386/djgpp.h: Remove extraneous "+".
10056 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10058 * calls.c (expand_call): Fix typo in last change.
10060 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10062 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10065 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10067 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10068 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10069 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10070 * tree.c (bit_position, byte_position): Likewise.
10071 * tree.h: Declare new functions.
10073 2000-03-29 Nick Clifton <nickc@cygnus.com>
10075 * config/arm/arm.c: Minor formatting changes/
10076 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10078 (ASM_SPEC): Define if not already defined.
10080 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10082 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10085 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10087 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10088 value, don't output it as unsigned.
10090 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10092 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10094 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10096 * c-common.c (c_common_nodes_and_builtins): Don't special case
10097 cplus_mode when declaring builtin bzero/bcmp, always avoid
10098 prototype arguments.
10100 2000-03-29 Bruce Korb <bkorb@gnu.org>
10102 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10105 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10107 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10108 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10109 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10110 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10111 (save_fixed_argument_area, restore_fixed_argument_area):
10112 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10113 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10114 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10115 (precompute_register_parameters): Avoid #ifdefs on
10116 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10117 (stire_one_args): Likewise.
10118 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10119 (emit_library_call_value_1): Likewise.
10120 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10121 ACCUMULATE_OUTGOING_ARGS.
10122 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10124 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10125 (use_crosses_set_p): Likewise.
10126 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10127 #define ACCUMULATE_OUTGOING_ARGS 1.
10128 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10130 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10132 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10133 (TARGET_SWITCHES): Add push-args, no-push-args,
10134 accumulate-outgoing-args and no-accumulate-outgoing-args.
10135 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10136 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10137 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10139 (emit_push_insn): Likewise.
10140 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10141 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10142 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10143 (STACK_DYNAMIC_OFFSET): Define correctly for both
10144 ACCUMULATE_OUTGOING_ARGS and normal mode.
10145 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10146 * tm.texi (PUSH_ARGS): Document.
10147 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10149 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10151 * flags.h (flag_optimize_sibling_calls): Declare.
10152 * calls.c (expand_call): Fail sibcall when
10153 !flag_optimize_sibling_calls
10154 * invoke.texi (flag_optimize_sibling_calls): Document.
10155 * toplev.c (flag_optimize_sibling_calls): New global variable.
10156 (f_options): Add flag_optimize_sibling_calls.
10157 (rest_of_compilation): Conditionize
10158 optimize_sibling_and_tail_recursive_calls by
10159 flag_optimize_sibling_calls.
10160 (main): Set flag_optimize_sibling_calls for -O2.
10161 * stmt.c (expand_return): Conditionize tail recursion by
10162 flag_optimize_sibling_calls.
10164 2000-03-29 Richard Henderson <rth@cygnus.com>
10166 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10167 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10169 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10171 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10173 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10175 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10177 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10178 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10179 * config/rs6000/aix.h: then modified likewise.
10181 2000-03-28 Richard Henderson <rth@cygnus.com>
10183 * rtl.h: Redistribute enum reg_note documentation.
10184 Kill trailing whitespace.
10185 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10186 Kill trailing whitespace.
10188 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10190 * cppfiles.c (hash_IHASH): Just return i->hash.
10191 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10192 htab_find_with_hash.
10193 (cpp_read_file): Likewise.
10194 (find_include_file): Likewise. Properly initialize
10195 ih->nshort. Share ih->name and ih->nshort if possible.
10196 * cpphash.c (_cpp_calc_hash): New function.
10197 (hash_HASHNODE): Just return h->hash.
10198 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10199 htab_find_with_hash.
10200 * cpphash.h: Prototype _cpp_calc_hash.
10201 * cppinit.c (initialize_builtins): Provide a valid hash
10202 to _cpp_make_hashnode, using _cpp_calc_hash.
10204 * cpphash.c (collect_expansion): # is not a special character
10205 in object-like macros. In -traditional mode, /**/ is not
10206 token paste at the beginning or end of the line.
10207 * cpplib.c (do_include, do_import, do_include_next): If
10208 parse_include fails, return immediately.
10210 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10212 * config/arm/arm.md (return peepholes): Update to reflect the new
10213 call insn patterns.
10214 * config/arm/arm.c (arm_volatile_func): Also check
10215 current_function_nothrow.
10216 (output_return_instruction, output_func_prologue): Use it.
10217 (arm_output_epilogue, arm_expand_prologue): Likewise.
10219 2000-03-27 Tom Tromey <tromey@cygnus.com>
10221 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10224 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10226 * expr.c (store_constructor): SIZE now signed.
10227 For EXPR_SIZE, don't evaluate size; just needed if constant.
10228 * fold-const.c (fold): Fix a number of cases when folded tree is
10230 * function.c (flush_addressof): Reenable.
10231 * tree.h (flush_addressof): Likewise.
10232 * toplev.c (independent_decode_option): Look at strings_processed.
10233 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10235 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10237 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10238 Allow stack adjustment after function call.
10240 * regmove.c (struct csa_memlist): Make mem field rtx *.
10241 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10242 (try_apply_stack_adjustment): Replace whole MEM rtx.
10243 (combine_stack_adjustments_for_block): Update calls
10244 to record_one_stack_ref.
10246 2000-03-28 Neil Booth <NeilB@earthling.net>
10248 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10249 '\\' rather than a null character, so nulls are not special. Fix
10250 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10251 speed trigraph conversion.
10252 (_cpp_init_input_buffer): Initialize trigraph map.
10254 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10256 * config/i386/i386.c (output_387_binary_op): Correct intel
10257 mode assembly output, and add spaces after commas in AT&T
10258 output. Correct Unixware assembler comment. Document input
10259 constraints. Comment fp operations. Reduce profligate buffer
10260 size. Remove extraneous abort. Localize temp var.
10261 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10262 (output_fix_trunc): Add spaces after commas in assembly output.
10264 2000-03-27 Richard Henderson <rth@cygnus.com>
10266 * i386-protos.h (ix86_match_ccmode): Declare.
10267 * i386.c (ix86_match_ccmode): New.
10268 (ix86_expand_fp_compare): Update for pattern renames.
10269 (ix86_expand_strlensi_unroll_1): Likewise.
10270 * i386.h (EXTRA_CC_MODES): Add CCZ.
10271 (SELECT_CC_MODE): Use it for EQ/NE zero.
10272 * i386.md (cmpsi_ccz_1): New.
10273 (cmpqi_ccz_1): New.
10274 (*testsi_ccz_1): New.
10275 (testqi_ccz_1): New.
10276 (cmpsi_ccno_1): Rename from cmpsi_0.
10277 (testsi_ccno_1): Rename from testsi_1.
10278 (testqi_ccno_1): Rename from testqi_1.
10279 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10280 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10281 (*cmphi_0): Use ix86_match_ccmode.
10282 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10283 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10284 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10285 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10286 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10287 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10288 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10289 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10290 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10291 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10292 (appropriate peepholes): Likewise.
10293 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10294 (*subsi_3, *subhi_3, *subqi_3): Remove.
10295 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10296 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10297 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10298 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10299 (x86_shift_adj_1): Use CCZ.
10300 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10302 2000-03-27 Stan Cox <scox@cygnus.com>
10304 * resource.h (mark_resource_type): New.
10305 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10306 find_free_register): Use mark_resource_type.
10307 (mark_set_resources): Change include_delayed_effects
10308 to mark_resource_type.
10309 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10310 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10311 Use mark_resource_type.
10313 2000-03-27 Richard Henderson <rth@cygnus.com>
10315 * i386.md (call_pop_0, call_value_pop_0): New.
10316 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10317 (call_value_pop_1): Likewise.
10318 (call_0, call_value_0): New.
10319 (call_1, call_value_1): Remove constraint from unused arg.
10321 2000-03-27 Nick Clifton <nickc@cygnus.com>
10323 * invoke.texi (Spec Files): Document new spec % command created by
10324 Tom Tromey's recent patch.
10326 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10328 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10331 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10333 * expr.c (expand_assignment): Fix typo in last change.
10335 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10337 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10339 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10340 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10341 and DECL_INLINE if FUNCTION_DECL.
10342 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10343 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10344 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10345 (combine_parm_decls): Likewise.
10346 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10347 * print-tree.c (print_node): Likewise.
10348 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10349 DECL_TRANSPARENT_UNION on proper decl types.
10350 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10351 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10352 DECL_BIT_FIELD of FIELD_DECL.
10353 * tree.h (DECL_RESULT_FLD): New macro.
10355 * expr.c (expand_assignment): Add code to handle variable-sized
10358 2000-03-26 Richard Henderson <rth@cygnus.com>
10360 * calls.c (expand_call): Pass parms not original exp to
10361 optimize_tail_recursion. Mind return value instead of looking
10363 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10364 call_expr. Move checks for call_expr and current_function_decl ...
10365 (expand_return): ... here.
10367 2000-03-26 Tom Tromey <tromey@cygnus.com>
10369 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10370 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10372 (process_command): Use them.
10373 (check_live_switch): Likewise.
10374 (give_switch): Skip ignored switches.
10376 2000-03-26 Jan Hubicka <jh@suse.cz>
10378 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10379 for minimal jump pass test.
10381 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10383 * integrate.c (function_cannot_inline_p): Do inline functions that
10386 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10388 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10389 now a list of TREE_LIST entries, not types.
10390 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10392 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10393 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10395 * config/mips/mips.c (function_arg): Likewise; also remove cast
10396 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10397 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10398 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10399 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10400 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10401 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10402 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10403 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10404 num_adjusts now unsigned.
10405 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10406 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10407 NREGS now unsigned.
10408 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10409 as is BITPOS variable; use host_integerp and int_bit_position.
10410 (function_arg_record_value_2): Likewise.
10411 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10412 Variable REGNO now unsigned.
10413 (function_arg_record_value): NREGS now unsigned.
10415 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10417 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10419 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10421 * Rework fields used to describe positions of bitfields and
10422 modify sizes to be unsigned and use HOST_WIDE_INT.
10423 * alias.c (reg_known_value_size): Now unsigned.
10424 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10425 (really_start_incremental_init): Use bitsize_zero_node.
10426 (push_init_level, pop_init_level, output_init_element): Likewise.
10427 Use bitsize_unit_node and bitsize_one_node.
10428 (output_pending_init_elements, process_init_element): Likewise.
10429 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10430 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10431 HOST_WIDE_INT, respectively.
10432 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10433 (num_sign_bit_copies): Returns unsigned.
10434 BITWIDTH now unsigned; rework arithmetic.
10435 Remove recursive call from arg to MAX.
10436 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10437 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10438 REGNO now unsigned.
10439 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10440 (find_split_point, expand_compound_operation, make_extraction): LEN
10441 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10442 (make_field_assignment): Likewise.
10443 (combine_simplify_rtx): Add cast.
10444 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10445 (force_to_mode): WIDTH now unsigned; add cast.
10446 (if_then_else_cond): SIZE now unsigned.
10447 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10448 (extended_count): Now returns unsigned.
10449 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10450 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10451 (simplify_comparison): MODE_WIDTH now unsigned.
10452 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10453 (mark_used_regs_combine): Likewise; rework arithmetic.
10454 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10455 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10456 (record_promoted_value): REGNO now unsigned.
10457 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10458 (get_last_value): REGNO now unsigned.
10459 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10460 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10461 (remove_death): Arg REGNO now unsigned.
10462 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10463 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10465 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10466 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10467 (struct cse_reg_info): REGNO now unsigned.
10468 (cached_regno): Now unsigned.
10469 (REGNO_QTY_VALID_P): Add cast.
10470 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10471 (remove_invalid_regs): Likewise.
10472 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10473 as are variables END and I.
10474 (get_cse_reg_info, insert): Likewise.
10475 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10476 (canon_hash): Likewise.
10477 (insert_regs, lookup_for_remove): REGNO now unsigned.
10478 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10480 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10481 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10482 * emit-rtl.c (subreg_realpart_p): Add cast.
10483 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10484 (operand_subword_force): Arg I is now unsigned.
10485 * except.c (eh_regs): Variable I is now unsigned.
10486 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10487 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10488 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10489 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10490 (extract_split_bit_field, store_bit_field, extract_bit_field):
10492 * expr.c (store_constructor_fields, store_constructor, store_field):
10493 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10494 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10495 (do_jump): Likewise.
10496 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10497 MAX_SIZE is now unsigned.
10498 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10499 (emit_group_store): Likewise.
10500 (emit_move_insn): I now unsigned.
10501 (store_constructor): Use host_integerp, tree_low_cst, and
10503 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10504 Rework all calculations to use trees and new fields.
10505 * expr.h (promoted_input_arg): Regno now unsigned.
10506 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10507 (mark_seen_cases): Arg is HOST_WIDE_INT.
10508 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10509 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10510 precisions and alignments are unsigned.
10511 (optimize_bit_field_compare, fold_truthop): Likewise.
10512 (int_const_binop): Adjust threshold for size_int_type_wide call.
10513 (fold_convert): Likewise.
10514 (size_int_type_wide): Make table larger and fix thinko that only
10515 had half of table used.
10516 (all_ones_mask_p, fold): Precisions are unsigned.
10517 * function.c (put_reg_info_stack): REGNO is unsigned.
10518 (instantiate_decl): Size is HOST_WIDE_INT.
10519 (instantiate_virtual_regs): I is unsigned.
10520 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10521 (promoted_input_arg): REGNO is unsigned.
10522 * function.h (struct function): x_max_parm_reg is now unsigned.
10523 * gcse.c (max_gcse_regno): Now unsigned.
10524 (struct null_pointer_info): min_reg and max_reg now unsigned.
10525 (lookup_set, next_set): REGNO arg now unsigned.
10526 (compute_hash_table): REGNO and I now unsigned.
10527 (handle_avail_expr): regnum_for_replacing now unsigned.
10528 (cprop_insn): REGNO now unsigned.
10529 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10530 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10531 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10532 * hard-reg-set.h (reg_class_size): Now unsigned.
10533 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10534 * jump.c (mark_modified_reg): I now unsigned; add cast.
10535 (rtx_equal_for_thread_p): Add cast.
10536 * loop.c (max_reg_before_loop): Now unsigned.
10537 (struct_movable): REGNO now unsigned.
10538 (try_copy_prop): REGNO arg unsigned.
10539 (regs_match_p): XN and YN now unsigned.
10540 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10541 (strength_reduce): Likewise; NREGS also unsigned.
10542 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10543 * loop.h (struct iv_class): REGNO now unsigned.
10544 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10546 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10547 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10548 * optabs.c (expand_binop): I and NWORDS now unsigned.
10549 (expand_unop): I now unsigned.
10550 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10551 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10552 * real.c (significand_size): Now returns unsigned.
10553 * real.h (significand_size): Likewise.
10554 * regclass.c (reg_class_size): Now unsigned.
10555 (choose_hard_reg_mode): Both operands now unsigned.
10556 (record_reg_classes): REGNO and NR now unsigned.
10557 (reg_scan): NREGS now unsigned.
10558 (reg_scan_update): old_max_regno now unsigned.
10559 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10560 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10561 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10562 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10563 Likewise for variable R.
10564 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10565 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10566 (find_equiv_reg): Add casts.
10567 (regno_clobbered_p): Arg REGNO now unsigned.
10568 * reload.h (struct reload): NREGS now unsigned.
10569 (refers_to_regno_for_reload_p): Regno args are unsigned.
10570 (regno_clobbered_p): Likewise.
10571 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10572 (compute_use_by_pseudos): REGNO now unsigned.
10573 (find_reg): I and J now unsigned, new variable K, and change loop
10574 variables accordingly; THIS_NREGS now unsigned.
10575 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10576 (spill_hard_reg): REGNO arg now unsigned; add casts.
10577 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10578 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10579 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10580 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10581 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10582 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10583 (emit_reload_insns): REGNO now unsigned.
10584 (reload_cse_move2add): Add cast.
10585 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10587 * resource.c (mark_referenced_resources, mark_set_resources): New
10588 variable R; REGNO and LAST_REGNO now unsigned.
10589 (mark_target_live_regs): J and REGNO now unsigned.
10590 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10591 * rtl.h (union rtunion_def): New field rtuint.
10592 (XCUINT): New macro.
10593 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10594 (operand_subword, operand_subword_force): Word number is unsigned.
10595 (choose_hard_reg_mode): Operands are unsigned.
10596 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10597 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10598 (regno_use_in, combine_instructions, remove_death): Likewise.
10599 (reg_scan, reg_scan_update): Likewise.
10600 (extended_count): Return is unsigned.
10601 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10602 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10603 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10604 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10605 (reg_reg_last_1): FIRS and LAST now unsigned.
10606 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10607 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10609 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10610 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10611 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10612 (replace_regs): Arg NREGS now unsigned.
10613 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10614 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10615 (simplify_binary_operation): Likewise.
10616 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10617 THIS_LAST now unsigned.
10618 (cselib_record_set): Add cast.
10619 * ssa.c (ssa_max_reg_num): Now unsigned.
10620 (rename_block): REGNO now unsigned.
10621 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10622 sizes now unsigned.
10623 (all_cases_count): Just return -1 not -2.
10624 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10625 Rework tests to use trees whenever possible.
10626 Use host_integerp and tree_low_cst.
10627 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10628 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10629 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10630 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10631 (smallest_mode_for_size): Likewise.
10632 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10633 KNOWN_ALIGN is now an alignment, so simplify code.
10634 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10635 (start_record_layout): Renamed from new_record_layout_info.
10636 Update to new fields.
10637 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10639 (place_union_field): Renamed from layout_union_field.
10640 Update to use new fields in rli.
10641 (place_field): Renamed from layout_field.
10642 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10643 (finalize_record_size): Rework to use new fields in rli and handle
10645 (compute_record_mode): Rework to simplify and to use new DECL fields.
10646 (finalize_type_size): Make rounding more consistent.
10647 (finish_union_layout): Deleted.
10648 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10649 (layout_type, case RECORD_TYPE): Call new function names.
10650 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10651 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10652 (get_best_mode): UNIT is now unsigned; remove casts.
10653 * tree.c (bit_position): Compute from new fields.
10654 (byte_position, int_byte_position): New functions.
10655 (print_type_hash_statistics): Cast to remove warning.
10656 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10657 (build_index_type): Likewise; make subtype of sizetype.
10658 (build_index_2_type): Pass sizetype to build_range_type.
10659 (build_common_tree_nodes): Use size_int and bitsize_int to
10660 initialize nodes; add bitsize_{zero,one,unit}_node.
10661 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10662 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10663 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10664 (DECL_FIELD_BITPOS): Deleted.
10665 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10666 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10667 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10668 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10669 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10670 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10671 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10672 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10673 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10674 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10675 (DECL_ALIGN): Adjust to new field in union.
10676 (DECL_OFFSET_ALIGN): New field.
10677 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10678 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10679 (union tree_decl): Add struct for both aligns.
10680 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10681 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10682 (struct record_layout_info): Rework fields to have offset
10683 alignment and byte and bit position.
10684 (start_record_layout, place_field): Renamed from old names.
10685 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10686 (byte_position, int_byte_position): Likewise.
10687 (get_inner_reference): Change types of position and length.
10688 * unroll.c (unroll_loop): New variable R; use for some loops.
10689 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10690 (calculate_giv_inc): Arg REGNO now unsigned.
10691 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10692 * varasm.c (assemble_variable): Clean up handling of size using
10693 host_integerp and tree_low_cst.
10694 (decode_addr_const): Use byte, not bit, position.
10695 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10696 use tree_low_cst and int_bit_position.
10697 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10699 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10701 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10702 (reorder_block_def): New members eff_head and eff_end.
10703 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10704 (verify_insn_chain): New function.
10705 (skip_insns_between_block): Add code to skip deleted insns.
10706 Check for note before using.
10707 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10708 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10709 Check for note before using.
10710 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10711 (fixup_reorder_chain): Restructure, clean up, defect removal.
10712 (reorder_basic_blocks): Remove last_insn and references to it.
10713 Moved insn chain verification code into a new function (see above).
10714 Delete defective code that sets last insn.
10715 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10718 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10720 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10722 2000-03-24 Richard Henderson <rth@cygnus.com>
10724 * tree.c (lang_safe_for_unsave): Remove.
10725 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10726 allowing for two levels of unsafeness. Remove lang hook.
10727 * tree.h: Update declarations.
10728 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10729 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10730 Always fail sibcalls when there are pending cleanups.
10732 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10734 * flow.c (propagate_block): When we delete an ADDR_VEC,
10735 also delete the BARRIER following it if there is one.
10737 2000-03-24 Richard Henderson <rth@cygnus.com>
10739 * builtins.c (expand_builtin_bzero): Convert `length' argument
10742 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10744 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10745 comparison if regno's are equal.
10746 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10747 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10748 (expand_call): Update caller.
10749 Avoid making a sibling call if argument size of the callee is larger
10750 than argument size of the caller.
10751 Call hard_function_value with outgoing set if in sibcall pass.
10752 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10754 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10755 Change LEAF_REGISTERS from an array initializer to actual array
10756 identifier. Move static global variable into the function.
10757 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10758 sequences for leaf functions.
10759 * global.c (global_alloc): Likewise.
10760 * tm.texi (LEAF_REGISTERS): Update documentation.
10762 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10763 TARGET_FLAT leaf disabling hack.
10764 (LEAF_REGISTERS): Changed from an array initializer to actual array
10765 identifier to avoid duplication and remove the above hack.
10766 (FUNCTION_OK_FOR_SIBCALL): Define.
10767 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10768 always like call attribute.
10769 (eligible_for_sibcall_delay): New attribute.
10770 (sibcall): New delay type.
10771 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10772 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10773 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10774 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10775 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10777 (output_function_epilogue): Move part of the code into
10778 output_restore_regs.
10779 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10781 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10784 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10785 until infrastructure is finished.
10787 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10789 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10790 (save_parm_insns): Not here.
10792 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10794 * builtins.c (expand_builtin_bzero): New function.
10795 (expand_builtin): Handle bzero.
10797 * builtins.def: Add BUILT_IN_BZERO.
10799 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10800 prototype & function for bzero.
10802 2000-03-23 Michael Meissner <meissner@redhat.com>
10804 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10805 change adding TARGET_FP to the TF floating point insns, except for
10806 trunctfsf2, which generates direct calls to truncdfsf2.
10808 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10810 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10811 try to protect against middle-end changes that break binary
10813 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10815 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10817 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10819 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10821 * calls.c (expand_call): If TARGET is passed by reference and
10822 is readonly, write a CLOBBER.
10824 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10826 * builtins.c (expand_builtin): Handle bcmp.
10828 * builtins.def: Add BUILT_IN_BCMP.
10830 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10831 prototype & function for bcmp.
10833 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10835 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10836 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10837 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10839 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10841 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10842 alternative when using -fp64 -gp32.
10844 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10846 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10847 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10848 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10850 * frame.h (frame_state): Revert last change.
10851 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10852 * libgcc2.c (throw_helper): Revert last change.
10854 2000-03-22 Richard Henderson <rth@cygnus.com>
10856 * stmt.c (expand_asm_operands): Don't promote the temporary.
10858 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10860 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10861 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
10862 c_get_alias_set): Likewise.
10863 * c-decl.c (duplicate_decls): Likewise.
10864 * c-typeck.c (default_conversion,build_unary_op): Likewise.
10865 * calls.c (initialize_argument_information): Likewise.
10866 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
10868 * dwarfout.c (decl_class_context,output_type): Likewise.
10869 * expr.c (get_inner_reference): Likewise.
10870 * fold-const.c (simple_operand_p,fold): Likewise.
10871 * function.c (aggregate_value_p): Likewise.
10872 * stmt.c (expand_asm_operands): Likewise.
10873 * varasm.c (named_section): Likewise.
10875 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10877 Implement dwarf2 exception handling for the ARM.
10878 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
10879 (DWARF_FRAME_RETURN_COLUMN): Define.
10880 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
10881 REG_FRAME_RELATED_EXPR note.
10882 (emit_sfm): Likewise.
10883 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
10884 * dwarf2out.c (reg_save): Handle saving a register to itself.
10885 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
10886 * except.c (eh_regs): Don't use the static chain reg if it's
10888 * frame.h (frame_state): Add cfa_saved field.
10889 * frame.c (execute_cfa_insn): Set it.
10890 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
10892 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
10894 (instantiate_virtual_regs): Adjust.
10896 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10897 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
10898 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
10900 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
10901 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
10903 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10905 * builtins.def: New file.
10907 * Makefile.in (TREE_H): Depend on builtins.def.
10909 * builtins.c (built_in_names): Use builtins.def.
10911 * tree.h (built_in_function): Likewise.
10913 2000-03-22 Mark Mitchell <mark@codesourcery.com>
10915 * tree.c (size_in_bytes): Return size_zero_node, not
10918 2000-03-22 Geoff Keating <geoffk@cygnus.com>
10920 * config/fp-bit.c (pack_d): Correct the case when a denormal
10921 is rounded up and stops being denormal.
10923 2000-03-21 Richard Henderson <rth@cygnus.com>
10925 * config/alpha/alpha.c (function_arg): Check for void_type_node
10926 before using MUST_PASS_IN_STACK.
10928 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
10930 * regmove.c (combine_stack_adjustments_for_block): Check that
10931 the stack pointer is a valid memory address.
10933 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
10935 * calls.c: re-install Mar 16 emit_library_call merge.
10937 2000-03-21 Jakub Jelinek <jakub@redhat.com>
10939 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
10940 we cannot be sure that if reload_completed base register will
10941 be properly aligned.
10943 2000-03-21 Richard Henderson <rth@cygnus.com>
10945 * flow.c (delete_block): Fix typo last change.
10947 2000-03-21 Mark Mitchell <mark@codesourcery.com>
10949 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
10950 not COMPLETE_TYPE_P, to check the type of the expression.
10952 2000-03-21 Michael Meissner <meissner@redhat.com>
10954 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
10955 all floating point insns that just tested the macro
10956 TARGET_HAS_XFLOATING_LIBS.
10957 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
10958 used to only use the gprs.
10960 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
10962 * tree.h (COMPLETE_TYPE_P): New macro.
10963 (COMPLETE_OR_VOID_TYPE_P): New macro.
10964 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
10965 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
10966 * c-aux-info.c (gen_type): Use them.
10967 * c-common.c (c_expand_expr_stmt): Likewise.
10968 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
10969 grokdeclarator, grokparms, finish_struct, start_function,
10970 store_parm_decls, combine_parm_decls): Likewise.
10971 * c-parse.y (cast_expr): Likewise.
10972 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
10973 c_size_in_bytes, c_alignof, build_component_ref,
10974 build_indirect_ref, build_array_ref, convert_arguments,
10975 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
10976 * calls.c (initialize_argument_information): Likewise.
10977 * convert.c (convert_to_integer): Likewise.
10978 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
10979 * dwarfout.c (location_or_const_value_attribute,
10980 output_enumeration_type_die, output_structure_type_die,
10981 output_union_type_die, output_type): Likewise.
10982 * expr.c (safe_from_p, expand_expr): Likewise.
10983 * function.c (assign_parms): Likewise.
10984 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
10985 * tree.c (build_array_type, build_function_type,
10986 build_method_type, build_offset_type, build_complex_type): Likewise.
10987 * c-parse.c, c-parse.h: Regenerated.
10989 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10991 * config/c4x/rtems.h: Include config/rtems.h.
10993 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
10995 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
10996 decl is a FUNCTION_DECL
10998 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11000 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11001 function uses output registers. Don't save RP for leaf functions.
11002 Do save RP even if no epilogue.
11003 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11004 (CALL_USED_REGISTERS): Unmark in registers.
11005 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11006 to near the middle.
11008 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11010 * config/rs6000/rs6000.md (bunordered): New expander.
11011 (bordered): New expander.
11012 (buneq): New expander.
11013 (bunge): New expander.
11014 (bungt): New expander.
11015 (bunle): New expander.
11016 (bunlt): New expander.
11017 (bltgt): New expander.
11019 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11020 (ccr_bit_negated_p): New function.
11021 (print_operand): For %C, generate appropriate cror for UNEQ,
11022 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11024 2000-03-20 Andreas Jaeger <aj@suse.de>
11026 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11029 * tree.h (safe_for_unsave): Prototype.
11031 2000-03-20 Richard Henderson <rth@cygnus.com>
11033 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11034 (combine_stack_adjustments_for_block): Don't allow sp references
11035 in the side of a set we're not fixing up.
11036 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11037 after life_analysis.
11039 2000-03-20 Richard Henderson <rth@cygnus.com>
11041 * calls.c (expand_call): Don't bother generating tail call
11042 sequences if there are pending cleanups. Use
11043 expand_start_target_temps/expand_end_target_temps to elide
11044 cleanups created during sibcall expansion.
11046 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11048 * configure.in: Set $IFS to a value if it doesn't already have one
11049 in the --enable-checking handling.
11050 * configure: Regenerate.
11052 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11054 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11055 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11058 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11060 * jump.c (delete_noop_moves): Remove code attempting to
11061 combine stack adjustments.
11063 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11065 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11066 * except.c (emit_cleanup_handler): Use them.
11067 (expand_end_all_catch): Likewise.
11068 * function.c (fixup_var_refs): Likewise.
11069 (expand_function_end): Clear catch_clauses_last.
11070 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11071 * except.h (struct eh_status): New field x_catch_clauses_last.
11072 (catch_clauses_last): New define.
11074 * Makefile.in (tree.o): Depend on HASHTAB_H.
11075 * tree.c: Include hashtab.h.
11076 (struct type_hash): Remove next field.
11077 (TYPE_HASH_SIZE): Remove.
11078 (TYPE_HASH_INITIAL_SIZE): New define.
11079 (type_hash_table): Change type to htab_t.
11080 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11081 mark_hash_entry): New functions.
11082 (init_obstacks): Allocate type hash.
11083 (type_hash_lookup): Use htab functions.
11084 (type_hash_add, mark_type_hash): Likewise.
11085 (dump_tree_statistics): Call print_type_hash_statistics.
11087 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11089 * rs6000/t-aix41: New file.
11091 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11093 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11095 * tm.texi (Driver): Fix typos and tweak entry for
11097 Move misplaced STRUCT_FORCE_BLK entry ...
11098 (Storage Layout): ... to here.
11099 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11101 2000-03-19 Richard Henderson <rth@cygnus.com>
11103 * flow.c (delete_block): Delete the addr_vec along with the block.
11104 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11107 * fold-const.c (extract_muldiv): Apply type check for defined
11108 overflow to multiply as well as divide.
11110 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11112 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11114 * emit-rtl.c (remove_unncessary_notes): Check that all
11115 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11116 associated NOTE_BLOCK.
11117 * function.h (identify_blocks): Update comments.
11118 (reorder_blocks): Declare.
11119 * function.c (identify_blocks): Don't take paramters.
11120 (reorder_blocks): Don't take parameters.
11121 * loop.h (find_loop_tree_blocks): Remove.
11122 (unroll_block_trees): Likewise.
11123 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11124 reorder_blocks instead of unroll_block_trees.h
11125 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11126 * stmt.c (find_loop_tree_blocks): Remove.
11127 (unroll_block_trees): Likewise.
11128 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11129 in whole-function mode.
11130 * tree.h (reorder_blocks): Remove declaration.
11132 * expr.c: Include intl.h.
11133 * Makefile.in (expr.o): Depend on intl.h.
11135 2000-03-18 Richard Henderson <rth@cygnus.com>
11137 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11139 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11141 * tree.h (tree_index): Remove enumerals for integer types.
11142 (integer_type_kind): New type.
11143 (integer_types): New variable.
11144 (char_type_node): Adjust.
11145 (signed_char_type_node): Likewise.
11146 (unsigned_char_type_node): Likewise.
11147 (short_integer_type_node): Likewise.
11148 (short_unsigned_type_node): Likewise.
11149 (integer_type_node): Likewise.
11150 (unsigned_type_node): Likewise.
11151 (long_integer_type_node): Likewise.
11152 (long_unsigned_type_node): Likewise.
11153 (long_long_integer_type_node): Likewise.
11154 (long_long_unsigned_type_node): Likewise.
11155 * tree.c (integer_types): New variable.
11156 (init_obstacks): Register it as a root.
11158 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11160 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11161 NEXT_INSN. Update last insn in chain.
11163 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11165 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11166 with TYPE_DECL_SUPPRESS_DEBUG set.
11168 2000-03-18 Richard Henderson <rth@cygnus.com>
11170 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11172 2000-03-18 Richard Henderson <rth@cygnus.com>
11174 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11175 care for HALF_PIC_P.
11176 (expander_call_insn_operand): Remove.
11177 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11178 * i386.h (PREDICATE_CODES): Update.
11179 * i386.md (all call expanders): Remove predicates, remove special
11180 handling for half-pic.
11181 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11182 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11183 (sibcall_epilogue): New.
11185 2000-03-17 Richard Henderson <rth@cygnus.com>
11187 * rtlanal.c (single_set): Reject if the parallel has anything
11188 except SET or USE or CLOBBER.
11190 2000-03-17 Jeff Law <law@cygnus.com>
11191 Richard Henderson <rth@cygnus.com>
11193 * Makefile.in (OBJS): Add sibcall.o.
11195 * sibcall.c: New file.
11196 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11197 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11198 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11199 Emit sibcall patterns when requested. Update all callers.
11200 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11201 elimination seems feasable.
11202 * final.c (leaf_function_p): Sibling calls don't discount being
11204 * flow.c (HAVE_sibcall_epilogue): Provide default.
11205 (find_basic_blocks_1): Sibling calls don't throw.
11206 (make_edges): Make edge from sibling call to EXIT.
11207 (propagate_block): Don't remove sibcall_epilogue insns.
11208 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11209 (sibcall_epilogue): New.
11210 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11211 (identify_blocks_1): Likewise. Break out from ...
11212 (identify_blocks): ... here.
11213 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11214 (reorder_blocks): ... here.
11215 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11216 (record_insns): Extend a varray instead of mallocing new memory.
11217 (contains): Read a varray not array of ints.
11218 (sibcall_epilogue_contains): New.
11219 (thread_prologue_and_epilogue_insns): Emit and record
11220 sibcall_epilogue patterns.
11221 (init_function_once): Allocate prologue/epilogue varrays.
11222 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11223 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11224 Broken out from ...
11225 (save_for_inline_nocopy): ... here.
11226 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11227 Broken out from ...
11228 (expand_inline_function): ... here.
11229 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11230 (subst_constants): Handle 'n' formats.
11231 * jump.c (jump_optimize_minimal): New.
11232 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11233 optimizations if it's set.
11234 * rtl.c (copy_rtx): Do copy jump & call for insns.
11235 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11236 (SIBLING_CALL_P): New.
11237 (sibcall_use_t): New.
11238 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11239 Invoke optimize_sibling_and_tail_recursive_calls.
11240 * tree.c (lang_safe_for_unsave): New.
11241 (safe_for_unsave): New.
11242 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11244 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11245 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11246 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11248 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11250 * objc/objc-act.c (encode_method_prototype): Pass types, not
11251 PARM_DECLs, to int_size_in_bytes.
11253 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11255 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11257 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11258 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11260 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11262 * Clean up usages of TREE_INT_CST_LOW.
11263 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11264 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11266 * c-tree.h (min_precision): Move declaration to here.
11267 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11268 (build_unary_op, add_pending_init): Use bit_position.
11269 (pending_init_member, process_init_element): Likewise.
11270 (really_start_incremental_init, push_init_level, pop_init_level):
11271 Don't make copies of nodes or modify them in place, use consistent
11272 types when tracking positions, and use tree routines computations.
11273 (set_init_index, output_init_element): Likewise.
11274 (output_pending_init_elements, process_init_element): Likewise.
11275 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11276 tree_low_cst and int_bit_position; also minor cleanup.
11277 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11278 (print_cst_octal): Precision is unsigned.
11279 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11280 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11281 (simple_type_align_in_bits): Result is unsigned int.
11282 Use tree_int_low_cst and host_integerp.
11283 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11284 (field_byte_offset): Result is HOST_WIDE_INT.
11285 Change types of internal variables so alignments are unsigned int,
11286 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11287 Use host_integerp, tree_low_cst, and int_bit_position.
11288 (add_bit_offset_attribute): Likewise.
11289 (add_data_member_location_attribute): Use tree_cst_low.
11290 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11291 (add_bit_size_attribute): Use tree_low_cst.
11292 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11293 * dwarfout.c: Similar changes to dwarf2out.c.
11294 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11295 * genoutput.c (n_occurences): Return -1 for null string.
11296 (strip_whitespace): Accept null string and make into function.
11297 (scan_operands): Reflect above changes.
11298 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11299 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11300 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11301 * tree.c (int_size_in_bytes): Check for too big to represent.
11302 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11303 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11305 (min_precision): Delete from here.
11306 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11307 and int_bit_position.
11308 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11309 (encode_method_def): Likewise.
11310 (build_ivar_list_initializer): Use int_bit_position.
11311 (generate_shared_structures): Convert size.
11312 (encode_type, encode_complete_bitfield): Use integer_zerop.
11313 (encode_bitfield): Use tree_low_cst and int_bit_position.
11315 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11317 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11319 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11321 * call.c (special_function_p): It is only malloc if it returns
11324 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11326 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11327 (C33_FLAG, TARGET_C3X): Add macros.
11328 (TARGET_SWITCHES): Add -m33 option.
11329 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11331 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11333 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11334 (PARALLEL_PACK_FLAG): Delete.
11335 (TARGET_SWITCHES): Update.
11336 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11338 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11340 * fold-const.c (fold): Fix a few cases when the returned result
11341 is not of the same type as the input.
11343 2000-03-16 Nick Clifton <nickc@cygnus.com>
11345 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11348 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11350 * libgcc2.h: Move prototypes above macros with the same name.
11351 Wrap some function prototypes in the conditional which indicates
11352 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11354 2000-03-16 Richard Henderson <rth@cygnus.com>
11356 * calls.c: Revert last two changes.
11358 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11360 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11361 has exponent 0 is a zero.
11363 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11364 HASH may already be nonzero. Add code/mode into hash value
11365 immediately after repeat label.
11366 (cselib_lookup): Don't leave the hash table in an inconsistent
11367 state before a hash lookup operation.
11369 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11371 * i386.md (all HI and QI mode non-move patterns): Conditionize
11372 by TARGET_[HQ]IMODE_MATH.
11373 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11374 x86_promote_qi_regs): Declare.
11375 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11376 TARGET_PROMOTE_QI_REGS): New macros.
11377 (PROMOTE_MODE): New macro.
11378 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11379 x86_promote_qi_regs): New global variables.
11381 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11383 * calls.c (emit_library_call_value_1): Break out from ...; handle
11384 VOIDmode function calls too.
11385 (emit_library_call_value): ... here.
11386 (emit_library_call): Implement by calling emit_library_call_value_1.
11388 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11390 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11391 Update arg_space_so_far on stack adjustments.
11392 (emit_library_call, emit_library_call_value): Likewise; take into
11393 account arg_space_so_far and pending_stack_adjust when calculcating
11396 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11398 * flow.c: Move all basic block reordering code into its own file.
11399 (create_basic_block): Externalize.
11400 * bb-reorder.c: New file. Copy all basic block reordering code from
11401 flow.c to this file.
11402 (reorder_basic_blocks): Fix fencepost error in for-loop.
11403 (reorder_basic_blocks): Remove braces from single statement for-loops.
11404 * basic-block.h: Add declaration for create_basic_block.
11405 * Makefile.in: Add rules for bb-reorder.o.
11407 2000-03-16 Neil Booth <NeilB@earthling.net>
11409 * cppinit.c (handle_option): Implement #unassert directive
11410 as -A- command line option.
11411 (print_help): Update.
11412 * cpptexi.c: Update.
11414 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11416 * md.texi (Standard Names): Document `jump'.
11418 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11420 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11423 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11425 Merge changes from newppc-branch onto trunk.
11427 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11429 * rs6000.c (toc_hash_table): Update for new hash table functions.
11430 (toc_hash_function): Likewise.
11431 (toc_hash_eq): Likewise.
11432 (toc_hash_mark_entry): Likewise.
11433 (toc_hash_mark_table): Likewise.
11434 (output_toc): Likewise.
11435 (rs6000_add_gc_roots): Likewise.
11437 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11439 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11440 (AR_FLAGS_FOR_TARGET): here. New macro.
11442 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11444 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11445 fpmem_operand) Delete.
11447 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11448 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11449 (rs6000_save_machine_status, rs6000_restore_machine_status,
11450 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11451 references to above variables.
11452 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11453 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11454 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11455 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11456 (XER_REGNO_P, XER_REGNO): New.
11457 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11458 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11459 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11461 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11462 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11463 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11465 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11467 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11468 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11469 * rs6000.h: from here.
11471 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11472 (rs6000_select_rtx_section): Likewise.
11473 (rs6000_encode_section_info): Likewise.
11474 (sdata_section): Likewise.
11475 (sdata2_section): Likewise.
11476 (sbss_section): Likewise.
11477 * sysv4.h (rs6000_select_section): Delete prototype.
11478 (rs6000_select_rtx_section): Likewise.
11479 (rs6000_encode_section_info): Likewise.
11480 (sdata_section): Likewise.
11481 (sdata2_section): Likewise.
11482 (sbss_section): Likewise.
11483 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11485 * sysv4.h: Delete various unnecessary #undef's and put a comment
11486 on the remaining ones.
11487 Change various comments according to coding standard.
11489 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11491 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11492 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11493 (CR0_REGNO_P) Remove.
11494 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11495 setup_incoming_varargs, mtcrf_operation, print_operand,
11496 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11497 Use the above macros.
11499 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11501 * config/rs6000/rs6000.md: Added a new alternative for each
11502 pattern that had a 'x' alternative but no 'y' alternative.
11503 Added a new split for each of the above patterns.
11505 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11507 * aix41.h (ASM_CPU_SPEC): Delete.
11508 (CPP_CPU_SPEC): Delete.
11510 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11511 (ASM_OUTPUT_LABEL): Define.
11512 (ASM_GLOBALIZE_LABEL): Define.
11513 (STRIP_NAME_ENCODING): Define.
11514 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11515 (STRIP_NAME_ENCODING): Don't define.
11516 (ASM_OUTPUT_LABEL): Don't define.
11517 (ASM_GLOBALIZE_LABEL): Don't define.
11518 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11519 names, and ASM_OUTPUT_LABEL to output labels, rather than
11521 (ASM_OUTPUT_LABEL): Define.
11522 (ASM_OUTPUT_INT): Use assemble_name.
11523 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11524 (STRIP_NAME_ENCODING): Don't undefine first.
11525 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11527 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11528 specified with 'asm' even with -fleading-underscore.
11529 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11530 (output_epilog): Likewise.
11531 (output_toc): Likewise.
11532 * tramp.asm: Handle -fleading-underscore correctly.
11534 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11536 (nonlocal_goto_receiver): Delete.
11537 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11539 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11540 (SET_ASM_OP): Define.
11541 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11543 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11544 (ASM_LONG): Define.
11546 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11547 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11549 * rs6000.h: Add 'u' to more constants.
11551 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11553 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11555 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11557 * rs6000.c (reg_or_u_cint_operand): New function.
11558 (logical_operand): Handle 64-bit hosts.
11559 (logical_u_operand): New function.
11560 (non_logical_cint_operand): Handle 64-bit hosts.
11561 (non_logical_u_cint_operand): New function.
11562 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11563 (PREDICATE_CODES): Define new functions.
11564 * rs6000-protos.h: Declare new functions.
11565 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11566 (movdi_64): Bracket code intended for 64-bit hosts. Create
11567 CONST_DOUBLE for 32-bit values.
11568 (scc insns): Generate DImode compares.
11569 (mfcr insns): Create DImode versions.
11570 (sge matchers): New patterns.
11572 2000-02-15 Gabriel Paubert <paubert@iram.es>
11574 * rs6000.md: Correct instructions length attributes and
11575 constraints on unsigned compare instructions.
11576 (*ne0): Disable for PowerPC64.
11578 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11580 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11581 quantity, fix profile1.C test failure under -fPIC.
11583 * rs6000.c: Add 'u' to many constants to suppress warnings.
11584 (constant_pool_expr_1): Make static.
11585 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11586 * rs6000.h: Add 'u' to many constants to suppress warnings.
11588 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11589 for the start of the TOC, instead of LCTOC..0.
11590 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11592 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11593 (load_toc_aix_di): Use LCTOC..1.
11595 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11596 * rs6000.c (rs6000_legitimize_address): New function from
11597 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11598 symbols in the constant pool that really are TOC references.
11599 (print_operand_address): For ELF, write TOC offsets under
11600 -fPIC as subtractions in the insn.
11601 (output_toc): For ELF, define symbols in TOC as normal labels,
11603 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11604 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11605 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11606 * rs6000.md (movsi): Only use create_TOC_reference on
11607 symbols in the constant pool that really are TOC references.
11609 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11610 * rs6000.c (rs6000_reorg): Delete.
11611 * rs6000-protos.h (rs6000_reorg): Delete.
11613 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11615 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11617 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11618 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11619 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11620 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11621 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11622 rs6000_aix_emit_builtin_unwind_init.
11623 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11624 rs6000_emit_eh_toc_restore on AIX.
11625 (return_eh_si): Use r2.
11626 (return_eh_di): Use r2.
11628 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11629 since we're breaking binary compatibility anyway.
11631 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11633 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11634 constant_pool_expr_p): Declare them.
11635 (constant_pool_expr_p): Declare it.
11636 * config/rs6000/rs6000.c (toc_label_name): Define.
11637 (rs6000_override_options): Set toc_label_name.
11638 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11639 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11640 uses_TOC): New functions.
11641 (print_operand): Delete old '*' case.
11642 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11643 and strip off rtl for TOC before calling output_addr_const.
11644 (rs6000_emit_load_toc_table): Use toc_label_name.
11645 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11647 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11648 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11649 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11650 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11651 into explicit TOC_REGISTER offsets.
11652 (TOC_REGISTER): New macro.
11653 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11654 TARGET_TOC to reference TOC_REGISTER.
11655 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11656 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11657 uses_TOC before emitting label references.
11659 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11661 * rs6000.md (stack_tie): Fix warning.
11663 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11664 to handle -fleading-underscore.
11665 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11666 (USER_LABEL_PREFIX): New macro.
11667 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11668 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11669 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11670 call-linux can use the same multilibs.
11671 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11672 and call-linux multilibs. Do multilib with -fleading-underscore.
11673 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11674 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11677 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11678 have MASK_SOFT_FLOAT set.
11679 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11680 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11681 CPP_FLOAT_DEFAULT_SPEC.
11683 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11684 * rs6000.md: Whitespace change.
11685 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11686 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11688 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11690 * rs6000.md (eh_epilogue): New expander.
11691 (eh_reg_restore): New expand/split/insn combination.
11692 (return_eh_si): New insn.
11693 (return_eh_di): New insn.
11695 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11696 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11697 * eabi-ctors.c (__do_global_ctors): Register this object's
11698 frame. Clean up. Call atexit() after the constructors.
11699 (__do_global_dtors): Deregister this object's frame. Clean up.
11700 Allow for recursive calls to exit().
11701 * rs6000.c (fixuplabelno): New variable.
11702 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11703 TARGET_RELOCATABLE, it slows down exec() under linux.
11704 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11706 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11707 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11708 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11709 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11710 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11711 (ASM_OUTPUT_DWARF_ADDR): New macro.
11712 (ASM_OUTPUT_DWARF_DATA4): New macro.
11713 (ASM_OUTPUT_DWARF_DATA2): New macro.
11714 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11715 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11716 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11718 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11720 * rs6000.c (rs6000_sr_alias_set): New variable.
11721 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11722 (rs6000_emit_stack_tie): New function.
11723 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11724 in a way that dwarf2out can understand.
11725 (rs6000_frame_related): New function.
11726 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11727 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11728 Use rs6000_emit_stack_tie when needed.
11729 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11730 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11731 * rs6000.md (stack_tie): New insn.
11732 (return_internal_si): Allow return value to be in the count
11734 (return_internal_di): Likewise.
11736 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11738 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11740 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11742 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11744 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11746 * rs6000.md (stmw): Use the right POWER opcode.
11749 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11751 * rs6000-protos.h: New file.
11753 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11755 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11758 * sysv4.h: Likewise.
11760 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11762 * ../../configure.in: Delete powerpcle-*-winnt*
11763 and powerpcle-*-pe|powerpcle-*-cygwin*.
11764 * ../../configure: Regenerated.
11765 * cygwin.h: Delete.
11766 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11767 (TARGET_WINDOWS_NT): Delete.
11769 (CALL_NT_DLLIMPORT): Delete.
11770 Delete NT-specific code.
11771 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11772 * win-nt.h: Delete.
11774 * nt-ci.asm: Delete.
11775 * nt-cn.asm: Delete.
11776 * ntstack.asm: Delete.
11778 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11780 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11781 (ASM_FILE_START): Likewise.
11782 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11783 (ASM_OUTPUT_LABELREF): Likewise.
11784 (ASM_OUTPUT_SKIP): Likewise.
11785 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11786 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11787 (ASM_OUTPUT_CASE_LABEL): Likewise.
11788 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11789 (ASM_OUTPUT_ASCII): Likewise.
11791 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11793 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11794 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11795 increment rs6000_pic_labelno here.
11796 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11797 and increment rs6000_pic_labelno here.
11799 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11801 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11802 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11803 allocation knows (reg) is dead before the insn.
11805 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11807 * rs6000.md (movsi_to_cr): Correct typo in output template.
11809 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11811 * rs6000.c (rs6000_pic_labelno): Always define.
11812 (rs6000_pic_func_labelno): Delete.
11813 (lmw_operation): Check for a zero base register,
11814 which doesn't mean what we want.
11815 (stmw_operation): New function.
11816 (print_operand): Define new 'l' modifier.
11817 (rs6000_stack_info): We must save all 64 bits of the registers
11818 if TARGET_POWERPC64.
11819 (rs6000_output_load_toc_table): Delete.
11820 (rs6000_emit_load_toc_table): New function.
11821 (rs6000_allocate_stack_space): Delete.
11822 (rs6000_emit_allocate_stack): New function.
11823 (rs6000_emit_prologue): New function.
11824 (output_prolog): Use rs6000_emit_prologue.
11825 (rs6000_emit_epilogue): Change a few variable names to be
11826 more accurate. Restore all 64 bits of the registers if
11827 TARGET_POWERPC64. Only restore the FP registers which were used
11828 if they are being saved/restored one-at-a-time.
11829 (output_mi_thunk): Delete inefficient code generation.
11830 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11831 * rs6000.h: Declare rs6000_emit_load_toc_table,
11832 rs6000_allocate_stack_space, stmw_operation. Don't declare
11833 rs6000_output_load_toc_table.
11834 * rs6000.md (elf_high): Allow register 0, but discourage it
11836 (elf_low): Support loading into register 0.
11837 (load_toc_aix_si): New pattern.
11838 (load_toc_aix_di): New pattern.
11839 (load_toc_v4_pic_si): New pattern.
11840 (load_toc_v4_pic_di): New pattern.
11841 (load_toc_v4_PIC_1): New pattern.
11842 (load_toc_v4_PIC_1b): New pattern.
11843 (load_toc_v4_PIC_2): New pattern.
11844 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11845 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11846 (prologue): New expander.
11847 (movesi_from_cr): New pattern.
11848 (stmw): New pattern.
11849 (save_fpregs_si): New pattern.
11850 (save_fpregs_di): New pattern.
11852 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11854 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11859 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11861 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
11863 (movsi_got_internal): Likewise.
11864 (movsi_got_internal+1): Likewise.
11865 (set_sp): 'unspec 7' does a SImode clobber.
11867 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11869 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
11870 allocate a stack temporary.
11871 (floatsidf2_internal): Likewise.
11872 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
11874 (floatunssidf2): Don't use the fpmem "register", just
11875 allocate a stack temporary.
11876 (floatunssidf2_internal): Likewise.
11877 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
11879 (floatsidf2_loadaddr): Delete.
11880 (floatsidf2_store1): Delete.
11881 (floatsidf2_store2): Delete.
11882 (floatsidf2_load): Delete.
11883 (fix_truncdfsi2): Don't use the fpmem "register", just
11884 allocate a stack temporary.
11885 (fix_truncdfsi2_internal_si): Delete.
11886 (fix_truncdfsi2_internal_di): Delete.
11887 (fix_truncdfsi2_internal): New insn.
11888 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
11889 (fix_truncdfsi2_store): Delete.
11890 (fix_truncdfsi2_load): Delete.
11891 (fctiwz): Produce gen_fctiwz.
11893 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11895 * eabi.h (INVOKE__main): Define.
11896 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
11898 (rs6000_emit_prologue): Likewise.
11899 * rs6000.h (struct rs6000_stack): Don't keep track of whether
11900 this is the main program.
11902 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11904 * rs6000.c (rs6000_va_arg): Delete some unused variables.
11906 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11908 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
11909 goes after the argument.
11911 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11913 * rs6000.md: Document 'unspec' values used.
11914 (epilogue): New expander.
11915 (movesi_to_cr_one): New expander.
11916 (movesi_to_cr and following): New pattern.
11917 (lmw): New pattern.
11918 (return_internal_si): New pattern.
11919 (return_internal_di): New pattern.
11920 (return_and_restore_fpregs_si): New pattern.
11921 (return_and_restore_fpregs_di): New pattern.
11922 * rs6000.h: Declare new functions.
11923 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
11924 rather than rs6000_calls_p.
11925 (rs6000_makes_calls): Delete.
11926 (lmw_operation): New function.
11927 (mtcrf_operation): New function.
11928 (rs6000_emit_epilogue): New function.
11929 (output_epilog): Call rs6000_emit_epilogue and final if
11930 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
11932 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11934 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
11935 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
11936 * aix.h (SUBTARGET_SWITCHES): Document switches.
11937 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
11938 sched-prolog and sched-epilog the same. Document all the
11940 (TARGET_OPTIONS): No longer allow -mdebug-.
11942 2000-01-12 Geoff Keating <geoffk@cygnus.com>
11944 * rs6000.h (ASM_FILE_END): Move to aix.h.
11945 (EXTRA_SECTIONS): Move to aix.h.
11946 (READONLY_DATA_SECTION): Move to aix.h.
11947 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
11948 (SELECT_SECTION): Move to aix.h.
11949 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
11950 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
11951 (LINK_REGISTER_REGNUM): New definition.
11952 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
11953 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
11955 * sysv4.h: Delete the code between the inclusion of rs6000.h
11957 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
11958 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
11959 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
11960 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
11961 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
11962 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
11963 (fix_truncdfsi2_internal_di): New pattern.
11964 (fix_truncdfsi2_store): The second arg here is Pmode too.
11965 (fix_truncdfsi2_load): The second arg here is Pmode too.
11966 (tablejumpdi): Now that switch tables hold only SImode values,
11967 gcc needs to know how to add them to the pc which is DImode.
11968 * rs6000.c (rs6000_stack_info): Use symbolic name for
11969 LINK_REGISTER_REGNUM.
11970 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
11971 (output_toc): Delete unused variables s1 and s2.
11972 (output_ascii): Use fputs not fprintf on a variable string.
11974 2000-01-07 David Edelsohn <edelsohn@gnu.org>
11976 * rs6000.c (processor_target_table): Add power3 as alias for 630.
11977 * aix43.h: Revert Aug 2 change.
11978 (HAS_INIT_SECTION): Define, not visible yet.
11979 (LD_INIT_SWITCH): Define, not visible yet.
11980 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
11982 2000-01-04 Joel Sherrill (joel@OARcorp.com>
11984 * config/rs6000/rtems.h: Include config/rtems.h.
11986 2000-01-04 David Edelsohn <edelsohn@gnu.org>
11988 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
11989 (SLOW_UNALIGNED_ACCESS): Define.
11990 (CASE_VECTOR_MODE): Always use 32-bit offsets.
11991 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
11992 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
11993 (toc_section): Likewise and .toc pseudo-op.
11994 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
11996 (TEXT_SECTION_ASM_OP): Likewise.
11997 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12000 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12002 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12003 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12006 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12008 * rs6000.h: Move more stuff from here...
12010 * sysv4.h: Cleanup accordingly.
12011 * netware.h: Likewise
12013 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12015 * rs6000.h: Continue cleanup.
12017 * lynx.h: Likewise.
12018 * netware.h: Likewise.
12019 * sol2.h: Likewise.
12020 * sysv4.h: Likewise.
12021 * win-nt.h: Likewise.
12023 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12024 (TARGET_OPTIONS): Likewise.
12026 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12027 (SUBTARGET_OPTIONS): Likewise.
12029 * rs6000.md: Fix compile time warnings.
12031 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12033 vxworks patches from the Cygnus tree originally by
12034 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12035 <vmakarov@cygnus.com>.
12036 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12037 (ENDFILE_SPEC): Likewise.
12038 (LIB_VXWORKS_SPEC): New macro.
12039 (STARTFILE_VXWORKS_SPEC): New macro.
12040 (ENDFILE_VXWORKS_SPEC): New macro.
12041 (LINK_START_VXWORKS_SPEC): New macro.
12042 (LINK_OS_VXWORKS_SPEC): New macro.
12043 (CPP_OS_VXWORKS_SPEC): New macro.
12044 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12045 * vxppc.h: Rewrite to use proper configuration method.
12046 * vxppcle.h: New file.
12047 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12048 * ../../configure: Rebuilt.
12050 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12052 Lots of changes to rs6000.h, sysv4.h, aix.h,
12053 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12054 with the aim that rs6000.h is the first header
12055 included and the others override it.
12058 * x-aix41-gld: Remove.
12060 * x-aix41: Remove target-specific switches, and don't specify
12061 -Wl,-bbigtoc as we don't need it any more.
12062 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12063 Use t-aix43 for AIX 4.3 and above.
12064 * ../../configure: Regenerated.
12066 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12067 options, that don't do anything yet.
12068 (MASK_SCHED_PROLOG): New macro.
12069 (MASK_SCHED_EPILOG): New macro.
12070 (TARGET_SCHED_PROLOG): New macro.
12071 (TARGET_SCHED_EPILOG): New macro.
12073 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12075 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12076 one per translation unit, not one per function.
12077 (output_toc): Also do duplicate constant elimination
12078 for per-translation-unit TOCs.
12080 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12081 a comment explaining _exactly_ when this pattern gets used.
12082 (builtin_setjmp_receiver): New pattern for better clarity.
12083 (init_v4_pic): Move it into a section dealing with TOC registers.
12085 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12087 * rs6000.c (toc_hash_table): New variable.
12088 (rs6000_hash_constant): New function.
12089 (toc_hash_function): New function.
12090 (toc_hash_eq): New function.
12091 (toc_hash_mark_entry): New function.
12092 (toc_hash_mark_table): New function.
12093 (output_toc): Don't output duplicate TOC entries in
12095 (rs6000_add_gc_roots): Add the hash table as a GC root.
12096 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12097 where they clearly shouldn't be. This may need to be fixed
12098 later when there is a GNU ar for AIX.
12099 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12100 Don't define BOOT_LDFLAGS as it is now not necessary.
12102 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12104 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12105 for va_list on AIX. Use unsigned_char_type_node rather than
12106 constructing our own version on svr4.
12108 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12110 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12111 since patently it's not.
12113 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12115 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12116 define_expand/define_insn pair, and handle restore of the
12117 SVR4 -fpic register.
12119 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12121 * acconfig.h (HAVE_GAS_WEAK): New define.
12122 * configure.in (assembler weak support): Check for .weak support.
12123 * config.in, configure: Rebuilt.
12124 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12125 HAVE_GAS_WEAK is defined.
12127 2000-03-15 Nick Clifton <nickc@cygnus.com>
12129 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12132 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12134 * cppfiles.c (open_include_file): New function.
12135 (find_include_file, cpp_read_file): Use it.
12137 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12139 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12141 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12143 * flow.c (verify_flow_info): Check for unconditional return.
12145 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12147 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12148 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12149 (__ia64_restore_stack_nonlocal): New.
12150 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12152 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12154 * cpphash.c (collect_formal_parameters): Do not complain about
12155 parameter names that just start with `__VA_ARGS__'.
12157 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12159 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12160 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12161 * i386.c (pentiumpro_cost): Set mul cost to 4.
12162 (x86_use_movx): Set for PPro.
12164 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12166 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12167 STACK_BOUNDARY for empty frames now.
12169 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12171 * stor-layout.c (layout_union): Remove.
12172 (layout_union_field): New function, split out from layout_union.
12173 (finish_union_layout): Likewise.
12174 (layout_field): Handle unions by calling layout_union_field.
12175 (finish_record_layout): Handle unions.
12176 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12177 QUAL_UNION_TYPE handling.
12179 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12181 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12182 end of basic block is jump_insn, not barrier; use create_basic_block
12183 instead of creating basic block by hand.
12185 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12187 * flow.c (reorder_basic_blocks): Account for barriers when writing
12188 over NEXT_INSN (last_bb->end).
12189 (verify_flow_info): Add check for missing barriers.
12191 2000-03-14 Greg McGary <gkm@gnu.org>
12193 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12194 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12195 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12196 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12197 __unbounded, __unbounded__): New keywords.
12198 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12199 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12200 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12202 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12204 * cselib.h: New file.
12205 * alias.c: Include "cselib.h".
12206 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12207 MEMs as two new arguments.
12208 (get_addr): New static function.
12209 (find_base_term): Handle VALUEs.
12210 (memrefs_conflict_p): Likewise.
12211 (true_dependence): Call get_addr on the addresses.
12212 Call fixed_scalar_and_varying_struct_p with addresses that have been
12213 passed through get_addr and canon_rtx.
12214 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12215 with true_dependence.
12216 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12217 * loop.c: Include "cselib.h".
12218 (load_mems): Process extended basic block that enters the loop with
12219 cselib. Use that information to change initialization of the shadow
12220 register so that a constant equivalence is seen by later passes.
12221 * reload1.c: Include "cselib.h".
12222 (reload_cse_invalidate_regno): Delete function.
12223 (reload_cse_mem_conflict_p): Likewise.
12224 (reload_cse_invalidate_mem): Likewise.
12225 (reload_cse_invalidate_rtx): Likewise.
12226 (reload_cse_regno_equal_p): Likewise.
12227 (reload_cse_check_clobber): Likewise.
12228 (reload_cse_record_set): Likewise.
12229 (reg_values): Delete static variable.
12230 (invalidate_regno_rtx): Likewise.
12231 (reload_cse_delete_noop_set): New static function.
12232 (reload_cse_simplify): New static function, broken out of
12234 (reload_cse_noop_set_p): Delete unused argument INSN.
12235 Just call rtx_equal_for_cselib_p on set source and destination.
12236 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12237 reload_cse_delete_noop_set. Delete code to keep track of values; use
12238 cselib functions instead. Delete code to push/pop obstacks.
12239 (reload_cse_simplify_set): Use cselib to find equivalent values.
12240 Delete code to push/pop obstacks.
12241 (reload_cse_simplify_operands): Likewise.
12242 * rtl.def (VALUE): New rtx code.
12243 * rtl.h (union rtunion_def): New elt rt_cselib.
12244 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12245 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12246 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12247 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12248 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12249 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12250 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12251 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12252 cselib_record_set, cselib_record_sets): New static functions.
12253 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12254 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12255 references_value_p): New functions.
12256 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12257 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12258 n_useless_values, reg_values, callmem, cselib_obstack,
12259 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12260 New static variables.
12261 * varray.h (union varray_data_tag): New elt te.
12262 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12263 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12266 2000-03-14 Nick Clifton <nickc@cygnus.com>
12268 * gcc.c (do_spec_1): Catch the case where %* is used in a
12269 substitution pattern, but it has not been initialised.
12270 Issue a meaningful error message if an unrecognised operator
12271 is encountered in a spec string.
12273 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12275 * function.c (prepare_function_start): Correctly initialize
12276 cfun->stack_alignment_needed.
12278 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12280 * cppfiles.c (find_include_file): Don't assume nshort is a
12283 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12285 * configure.in (hppa configurations): Add pa32-regs.h to the
12286 list of tm files as appropriate.
12287 * configure: Rebuilt.
12288 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12289 register numbering.
12290 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12291 (fmpyaddoperands, fmpysuboperands): Likewise.
12292 * pa.h: Remove various definitions which depend on knowing
12293 how registers are numbered.
12294 * pa32-regs.h: New file with PA32 register numbering specific
12297 2000-03-14 Richard Henderson <rth@cygnus.com>
12299 * regmove.c (combine_stack_adjustments): New.
12300 (stack_memref_p, single_set_for_csa): New.
12301 (free_csa_memlist, record_one_stack_memref): New.
12302 (try_apply_stack_adjustment): New.
12303 (combine_stack_adjustments_for_block): New.
12304 * rtl.h (combine_stack_adjustments): Declare.
12305 * toplev.c (rest_of_compilation): Call it.
12307 * i386.md: Revert 2000-01-16 change.
12309 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12311 * gccbug.in: Add web category, gcc specific classes.
12313 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12315 * stor-layout.c (finalize_record_size): Fix typo.
12317 2000-03-14 Stan Shebs <shebs@apple.com>
12319 * c-typeck.c (c_alignof): Error on incomplete types.
12320 * extend.texi (Alignment): Document this.
12322 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12324 * cppfiles.c: Include mkdeps.h.
12325 (find_include_file, read_include_file): Remove _cpp_ prefix
12326 from name, make static.
12327 (_cpp_execute_include): New function, broken out of
12330 * cpplib.c: Don't include mkdeps.h.
12331 (struct directive): Remove type field. Reorder entries. The
12332 function takes only one argument.
12333 (struct if_stack): Make type field an int.
12334 (directive_table): Rename to dtable. Generate it, the
12335 prototypes of the directive handlers, and the enum for the
12336 directive numbers, from a template macro.
12337 (do_ifndef, do_include_next, do_import): New functions.
12338 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12339 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12340 do_ident, do_assert, do_unassert, do_sccs): Take only one
12342 (do_sccs): Define always, but alter behavior based on
12344 (_cpp_handle_directive, consider_directive_while_skipping):
12345 Restructure for new directive table layout.
12347 (pass_thru_directive): Take a directive number, not a pointer
12348 to a struct directive.
12349 (parse_include): New function, broken out of do_include.
12350 (do_include, do_import, do_include_next): Use parse_include
12351 and _cpp_execute_include.
12352 (do_elif, do_else): Test for T_ELSE specifically when checking
12353 for #elif/#else after #else.
12354 (parse_ifdef): New function, broken out of do_ifdef.
12355 (validate_else): Expect a name arg without a leading #.
12356 (if_directive_name): Delete.
12357 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12358 directive handlers with only one argument.
12360 * cpphash.h: Update prototypes.
12361 (enum node_type): Remove entries for directives.
12362 * Makefile.in: Update dependencies.
12364 * cpphash.c (dump_hash_helper): Only dump nodes of type
12365 T_MACRO. Emit a newline after each definition.
12367 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12369 * gccbug.in: New file.
12370 * configure.in (all_outputs): Add gccbug.
12371 * Makefile.in (install-common): Install gccbug.
12372 (GCCBUG_INSTALL_NAME): New variable.
12373 * configure: Rebuilt.
12375 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12377 * function.c (put_var_into_stack): Use type_for_mode to calculate
12378 part_type. Use MEM_SET_IN_STRUCT_P.
12379 * expr.c (store_field): Handle CONCAT.
12380 (store_constructor): Use fields_length.
12381 * tree.c (fields_length): New fn.
12382 * tree.h: Declare it.
12384 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12386 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12387 (cpplex.o): New target.
12388 * po/POTFILES.in: Add cpplex.c.
12390 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12391 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12392 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12393 skip_block_comment, skip_line_comment, skip_comment,
12394 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12395 _cpp_parse_name, skip_string, parse_string,
12396 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12397 _cpp_get_directive_token, find_position,
12398 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12399 (maybe_macroexpand, _cpp_lex_token): New functions.
12401 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12402 parse_goto_mark): Delete.
12403 (_cpp_handle_eof): New function.
12404 (_cpp_handle_directive): Rename from handle_directive.
12405 (_cpp_output_line_command): Rename from output_line_command.
12406 (do_if, do_elif): Call _cpp_parse_expr directly.
12407 * cppfiles.c (_cpp_read_include_file): Don't call
12408 init_input_buffer here.
12409 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12410 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12411 here; pop the token_buffer and skip the rest of the line here.
12412 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12415 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12417 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12418 CPP_GOTO_MARK): New macros.
12419 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12420 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12421 _cpp_read_and_prescan, _cpp_init_input_buffer,
12422 _cpp_grow_token_buffer, _cpp_get_directive_token,
12423 _cpp_handle_directive, _cpp_handle_eof,
12424 _cpp_output_line_command): Prototype them here.
12425 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12426 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12427 quote_string, output_line_command): Remove.
12429 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12431 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12432 whether it is too large we must also verify that it isn't negative.
12434 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12436 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12437 (movsi_zero_liveg0): Remove.
12438 (movsf_insn_novis_liveg0): Remove.
12440 (negsi2_not_liveg0): Rename to negsi2.
12441 (one_cmplsi2): Remove.
12442 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12443 (one_cmplsi2_liveg0): Remove.
12444 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12445 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12446 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12447 (PREDICATE_CODES): Remove zero_operand.
12448 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12449 TARGET_BROKEN_SAVERESTORE.
12450 (zero_operand): Remove.
12451 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12452 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12454 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12455 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12456 TARGET_BROKEN_SAVERESTORE): Remove.
12457 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12459 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12461 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12464 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12466 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12468 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12469 truncating a string. Don't assume tokens are nul terminated.
12470 Problem noted by Andreas Jaeger <aj@suse.de>
12472 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12474 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12475 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12476 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12478 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12480 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12481 STRUCTURE_SIZE_BOUNDARY.
12483 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12485 * tree.h (record_layout_info_s): New structure.
12486 (record_layout_info): New type.
12487 (new_record_layout_info): New function.
12488 (layout_field): Likewise.
12489 (finish_record_layout): Likewise.
12490 * stor-layout.c (layout_record): Remove.
12491 (new_record_layout_info): New function.
12492 (layout_field): New function, broken out from layout_record.
12493 (finalize_record_size): Likewise.
12494 (compute_record_mode): Likewise.
12495 (finalize_type_size): New function, broken out from layout_type.
12496 (finish_record_layout): Likewise.
12497 (layout_type): Use them.
12499 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12501 * cpphash.c: Don't include version.h.
12502 (special_symbol) [case T_VERSION]: Look for the string in
12503 hp->value.cpval; don't use version_string.
12504 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12505 __VERSION__ to version_string.
12506 * Makefile.in (cpphash.o): Update deps.
12508 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12510 Convert cpplib to use libiberty/hashtab.c.
12512 * cpplib.h (struct cpp_reader): Make hashtab and
12513 all_include_files of type 'struct htab *'. Delete HASHSIZE
12514 and ALL_INCLUDE_HASHSIZE macros.
12516 * cpphash.h: Update prototypes.
12517 (struct hashnode): Remove next, prev, and bucket_hdr members.
12518 Make length a size_t. Add hash member.
12519 (struct ihash): Remove next member. Add hash member. Make
12520 name a flexible array member.
12522 * cppfiles.c: Include hashtab.h.
12523 (include_hash): Delete.
12524 (IHASHSIZE): New macro.
12525 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12526 (cpp_included): Do the hash lookup here.
12527 (_cpp_find_include_file): Rewrite.
12528 (cpp_read_file): Put the "fake" hash entry into the hash
12529 table. Honor the control_macro, if it turns out we've seen
12530 the file before. Don't push the buffer here.
12531 (_cpp_read_include_file): Push the buffer here.
12532 (OMODES): New macro. Use it whenever we call open(2).
12534 * cpphash.c: Include hashtab.h.
12535 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12536 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12537 _cpp_lookup_slot): New functions.
12538 (HASHSIZE): new macro.
12539 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12540 (_cpp_lookup): Use hashtab.h routines.
12542 * cppinit.c: Include hashtab.h.
12543 (cpp_reader_init): Call _cpp_init_macro_hash and
12544 _cpp_init_include_hash. Don't allocate hashtab directly.
12545 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12546 pfile->all_include_files.
12547 (initialize_builtins): Use _cpp_make_hashnode and
12548 htab_find_slot to add hash entries.
12549 (cpp_finish): Just call _cpp_dump_macro_hash.
12550 * cpplib.c: Include hashtab.h.
12551 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12552 create hash entries.
12553 (do_pragma_poison, do_assert): Likewise.
12554 (do_include): Don't push the buffer here. Don't increment
12555 system_include_depth unless _cpp_read_include_file succeeds.
12556 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12557 or htab_remove_elt.
12558 (do_pragma_implementation): Use alloca to create copy.
12560 * Makefile.in: Update dependencies.
12562 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12564 * cppinit.c (cl_directive_handler): More K&R fixing.
12566 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12568 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12570 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12572 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12574 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12575 Change from char[] to macros.
12577 2000-03-12 Neil Booth <NeilB@earthling.net>
12579 * cppinit.c (cpp_start_read): Update indirect function
12582 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12584 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12587 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12588 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12590 2000-03-11 Neil Booth <NeilB@earthling.net>
12592 * cppinit.c (struct pending option): Replace undef with a
12593 pointer to a directive handling routine.
12594 (struct cpp_pending): Replace separate assert_ and define_
12595 lists with one directive_ list.
12596 (new_pending_define): Rename new_pending_directive. Extra
12597 argument is the directive's handling routine.
12598 (handle_option): Update to use new_pending_directive.
12600 2000-03-11 Neil Booth <NeilB@earthling.net>
12602 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12603 remap_filename, _cpp_read_include_file, actual_directory,
12604 hack_vms_include_specification): Replace bcopy(), index() etc
12605 calls. Add casts to some allocations. Make some variables
12606 pointers to const [unsigned] char.
12607 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12608 collect_formal_parameters): Similarly.
12609 * cppinit.c (struct pending_option, append_include_chain,
12610 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12611 cpp_start_read, new_pending_define, handle_option): Similarly.
12612 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12613 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12614 do_pragma_implementation, detect_if_not_defined,
12615 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12616 do_assert, do_unassert): Similarly.
12617 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12618 function prototypes.
12619 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12621 2000-03-10 Richard Henderson <rth@cygnus.com>
12623 * builtins.c (expand_builtin_strlen): Revert last change.
12624 Use emit_insn_before if we're at the beginning of a sequence.
12626 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12628 * builtins.c (expand_builtin_strlen): Make sure that we have something
12629 at the beginning of the sequence.
12631 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12634 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12636 2000-03-10 Richard Henderson <rth@cygnus.com>
12638 * except.c (can_throw): Use INTVAL on a CONST_INT.
12639 (reachable_handlers): Likewise.
12640 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12642 2000-03-10 Andreas Jaeger <aj@suse.de>
12644 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12645 MD_STARTFILE_PREFIX since those are not needed on linux.
12646 (ASM_FILE_START): New, from mips/gnu.h.
12648 2000-03-09 Richard Henderson <rth@cygnus.com>
12649 Alex Samuel <samuel@codesourcery.com> and others
12651 * Makefile.in (ssa.o): New rule.
12653 (STAGESTUFF): Add *.ssa and *.ussa.
12654 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12655 * rtl.def (PHI): New RTL expression.
12656 * rtl.h (clear_log_links): New declaration.
12657 (convert_to_ssa): Likewise.
12658 (convert_from_ssa): Likewise.
12659 * flow.c (split_edge): If the entry node falls through to the
12660 split edge's source block, split the entry edge.
12661 (clear_log_links): New function.
12662 * toplev.c (ssa_dump): New variable.
12663 (flag_ssa): Likewise.
12664 (f_options): Add "ssa".
12665 (compile_file): Create SSA dump files.
12666 (rest_of_compilation): Go to and from SSA if enabled.
12667 (decide_d_option): Handle -de for SSA dump files.
12670 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12672 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12675 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12677 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12679 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12681 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12682 (MD_STARTFILE_PREFIX_1): New macro.
12684 2000-03-09 Robert Lipe <robertl@sco.com>
12686 * config/ia64/ia64.c: Include system.h.
12688 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12690 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12691 (init_eh_nesting_info): Likewise.
12693 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12694 (TREE_NOTHROW): Rename from TREE_RAISES.
12695 * toplev.c (rest_of_compilation): Set it.
12696 * print-tree.c (print_node): Adjust.
12697 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12698 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12699 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12700 REG_EH_REGION note as appropriate.
12701 (libfunc_nothrow): New fn.
12702 (emit_library_call, emit_library_call_value): Use it.
12703 (expand_call): Check TREE_NOTHROW.
12705 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12706 DECL_ASSEMBLER_NAME.
12708 2000-03-09 Andreas Jaeger <aj@suse.de>
12710 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12711 (TARGET_MEM_FUNCTIONS): Define.
12713 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12715 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12717 * except.c (can_throw): See through a SEQUENCE.
12718 (nothrow_function_p): New fn.
12719 * except.h: Declare it.
12720 * function.c (current_function_nothrow): New var.
12721 (prepare_function_start): Initialize it.
12722 * output.h: Declare it.
12723 * toplev.c (rest_of_compilation): Set it.
12724 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12726 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12728 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12729 match. (cpp_compare_defs): Count the nul separator when
12730 advancing over argument names.
12732 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12734 * recog.c (preprocess_constraints): Matching constraints affect
12735 same alternative/different operand, not same operand/different
12738 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12739 register and a constant specially.
12741 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12743 * libgcc2.h: New file.
12744 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12746 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12748 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12749 * configure: Regenerate.
12750 * config/ia64: New.
12752 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12754 * Makefile.in (LIBCPP_DEPS): New macro.
12755 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12756 it to declare deps.
12757 * cpperror.c: Include cpphash.h.
12758 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12760 (lex): Don't use CPP_WARN_UNDEF.
12761 (_cpp_parse_expr): Return an int, the truth value.
12762 * cppfiles.c: Include cpphash.h.
12763 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12764 * cppinit.c (include_defaults_array): Disentangle.
12765 (cpp_cleanup): Don't free the if stack here.
12766 (cpp_finish): Pop off all buffers, not just one.
12767 * cpplib.c (eval_if_expr): Return int.
12768 (do_xifdef): Rename do_ifdef.
12769 (handle_directive): Don't use CPP_PREPROCESSED.
12770 (cpp_get_token): Don't use CPP_C89.
12771 * fix-header.c: Don't use CPP_OPTIONS.
12773 * cpplib.h: Move U_CHAR, enum node_type, struct
12774 file_name_list, struct ihash, is_idchar, is_idstart,
12775 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12776 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12777 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12778 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12779 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12780 of _cpp_simplify_pathname, _cpp_find_include_file,
12781 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12782 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12784 Change all uses of U_CHAR to be unsigned char instead.
12785 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12787 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12789 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12790 (dwarf2out_begin_prologue): Set it.
12791 (output_call_frame_info): Don't emit EH unwind info for leaves.
12793 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12794 can occur outside of an EH region.
12795 * except.c: Correct comments about rethrow behavior.
12796 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12798 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12800 * flow.c (make_edges): Always call make_eh_edge for calls.
12802 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12804 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12805 (struct cpp_buffer): Remove fname and underflow fields.
12806 (struct cpp_reader): Remove get_token field.
12807 (struct include_hash): Rename to struct ihash. Add typedef to
12809 (struct if_stack): Remove fname field.
12810 (IF_STACK_FRAME): Rename to IF_STACK.
12812 * cpperror.c (print_containing_files): Trust that there are no
12813 macro buffers below the top file buffer.
12814 * cppfiles.c: Replace all references to 'struct include_hash'
12815 with 'IHASH'. Rename initialize_input_buffer to
12816 init_input_buffer. Don't set or reference cpp_buffer->fname,
12817 use buffer->ihash->name instead.
12818 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12819 not CPP_NULL_BUFFER.
12820 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12821 IF_STACK_FRAME, IHASH not struct include_hash.
12822 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12823 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12824 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12825 references to cpp_buffer->fname (delete entirely, or use
12826 ->ihash->name instead) and IF_STACK->fname.
12827 (cpp_push_buffer): Don't set new->underflow.
12828 (do_include): Use cpp_file_buffer.
12830 * cpphash.c (collect_formal_parameters): Remove duplicate
12831 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12832 used as a macro argument name. Don't append "..." to namebuf
12833 for varargs macros. After we're done scanning, go through
12834 namebuf and make it NUL separated, not comma separated.
12835 (_cpp_compare_defs): Remove register tag from variables.
12836 Expect defn->argnames to be NUL separated.
12837 (_cpp_dump_definition): Expect defn->argnames to be NUL
12838 separated and in forward order.
12839 * cpphash.h: Update documentation of argnames field.
12841 2000-03-08 Richard Henderson <rth@cygnus.com>
12843 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12844 to fail. Don't pre-expand the source operand.
12846 * i386.md (strlensi): Initialize eoschar and align before use.
12848 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12850 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12851 CONSTRUCTOR element.
12853 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12855 * mips.c (mips_expand_prologue): If the last
12856 named argument is the vararg marker "va_list", treat it as
12857 an unnamed argument.
12859 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12861 * dbxout.c (dbxout_parms): When correcting for promoted
12862 big-endian parameters, use the mode of the DECL_RTL rather
12863 than UNITS_PER_WORD.
12865 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
12867 * c-common.h (make_fname_decl): Declare.
12868 * c-common.c (make_fname_decl): Define.
12869 (declare_hidden_char_array): Remove.
12870 (declare_function_name): Use make_fname_decl.
12871 * c-decl.c (c_make_fname_decl): New function.
12872 (init_decl_processing): Set make_fname_decl.
12874 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
12876 * cccp.c (handle_directive): Initialize backslash_newlines_p.
12878 2000-03-07 Philipp Thomas <pthomas@suse.de>
12880 * po/POTFILES.in: Remove cppalloc.c from file list.
12882 2000-03-07 Steve Chamberlain <sac@pobox.com>
12884 * pj.c (pj_expand_prologue): current_function->args_info is
12885 now current_function_args_info.
12887 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
12888 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
12889 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
12891 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12893 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
12894 output as hexadecimal rather than the default octal.
12896 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12898 * cpphash.c (special_symbol): Fix thinko in previous commit.
12900 2000-03-07 Neil Booth <NeilB@earthling.net>
12902 * cppexp.c (struct operation, left_shift, right_shift,
12903 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
12904 "int"s to "unsigned int"s.
12905 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
12907 * cpplib.h: Update for above.
12908 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
12909 returned from allocations.
12911 * cppinit.c (opt_comp, parse_options): New functions.
12912 (handle_option): Use parse_option to parse a single command
12913 line option, that possibly takes an argument.
12914 (cpp_handle_options): Sort the array of command line options on
12915 first invocation (non-ASCII hosts only).
12916 (print_help): Update.
12918 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
12920 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
12921 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
12923 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
12925 * cppinit.c (cpp_cleanup): Free imp->nshort also.
12927 * cpperror.c (cpp_print_containing_files,
12928 cpp_print_file_and_line, v_cpp_message): Rename to
12929 print_containing_files, print_file_and_line, and v_message.
12930 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
12931 to _cpp_parse_expr, parse_escape, and lex.
12932 (parse_charconst): Remove broken multibyte support.
12933 * cppfiles.c (include_hash): Make static.
12934 (cpp_included): New function.
12935 (merge_include_chains, find_include_file, finclude,
12936 simplify_pathname): Rename to _cpp_merge_include_chains,
12937 _cpp_find_include_file, _cpp_read_include_file, and
12938 _cpp_simplify_pathname.
12939 * cpphash.c (cpp_lookup, free_definition, delete_macro,
12940 cpp_install, create_definition, macroexpand, compare_defs,
12941 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
12942 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
12943 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
12944 * cppinit.c (cpp_handle_option): Rename to handle_option, make
12946 * cpplib.c: Remove extern prototype of cpp_parse_expr.
12948 * cpphash.h: Update prototypes.
12949 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
12951 2000-03-07 Andrew Haley <aph@cygnus.com>
12953 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
12954 PTRDIFF_TYPE should be based solely on Pmode.
12955 (SIZE_TYPE): ditto.
12957 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12959 * rtl.h (rtunion_def): Constify member `rtstr'.
12960 (emit_line_note_after, emit_line_note, emit_line_note_force,
12961 emit_note, decode_asm_operands): Constify.
12963 * cse.c (canon_hash): Likewise.
12965 * dbxout.c (dbxout_block): Likewise.
12967 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
12968 v_warning_for_asm): Likewise.
12970 * dwarfout.c (function_start_label): Likewise.
12972 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
12973 emit_line_note_force): Likewise.
12975 * final.c (last_filename, asm_insn_count, final_scan_insn,
12976 output_source_line): Likewise.
12978 * function.h (struct emit_status): Likewise.
12980 * gcse.c (hash_expr_1): Likewise.
12982 * genattr.c (gen_attr, main): Likewise.
12984 * genattrtab.c (struct function_unit, current_alternative_string,
12985 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
12986 attr_numeral, check_attr_test, check_attr_value,
12987 convert_set_attr_alternative, convert_set_attr,
12988 compute_alternative_mask, simplify_by_exploding, gen_attr,
12989 gen_unit): Likewise.
12991 * genflags.c (gen_insn): Likewise.
12993 * gengenrtl.c (type_from_format): Likewise.
12995 * genopinit.c (gen_insn): Likewise.
12997 * genoutput.c (n_occurrences, process_template, process_template):
13000 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13003 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13006 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13007 ggc_set_mark, ggc_get_size): Likewise.
13009 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13011 * optabs.c (init_one_libfunc): Likewise.
13013 * output.h (assemble_start_function): Likewise.
13015 * recog.c (decode_asm_operands): Likewise.
13017 * toplev.c (rest_of_compilation): Likewise.
13019 * tree.h (emit_line_note_after, emit_line_note,
13020 emit_line_note_force): Likewise.
13022 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13023 asm_emit_uninitialised, assemble_start_function,
13024 assemble_variable, const_hash, compare_constant_1,
13025 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13027 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13029 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13031 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13033 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13035 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13036 arm_dllimport_name_p): Likewise.
13038 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13041 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13043 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13045 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13046 arm_mark_dllexport, arm_mark_dllimport,
13047 arm_pe_encode_section_info): Likewise.
13049 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13050 ASM_FINISH_DECLARE_OBJECT): Likewise.
13052 * arm/thumb.c (thumb_function_prologue): Likewise.
13054 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13056 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13058 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13060 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13062 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13064 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13066 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13067 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13069 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13071 * i386/i386.c (asm_output_function_prefix): Likewise.
13073 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13075 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13077 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13079 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13080 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13081 ASM_OUTPUT_SECTION_NAME): Likewise.
13083 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13085 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13087 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13089 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13091 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13093 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13095 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13097 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13099 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13101 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13103 * mips/mips.md (movdi, movsi): Likewise.
13105 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13107 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13109 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13111 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13112 ASM_OUTPUT_ASCII): Likewise.
13114 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13115 output_mi_thunk, output_toc): Likewise.
13117 * rs6000/rs6000.md (movsi): Likewise.
13119 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13121 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13123 * v850/v850.c (print_operand, print_operand_address,
13124 v850_encode_data_area): Likewise.
13126 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13128 * config/mips/mips.md (zero_extendsidi2): Always force operand
13129 one to memory for mips16.
13131 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13133 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13134 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13135 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13136 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13137 (min_precision): Result is unsigned.
13138 (add_double, neg_double, mul_double): Low word is unsigned.
13139 (lshift_double, rshift_double, lrotate_double): Likewise.
13140 (rrotate_double, div_and_round_double): Likewise.
13141 (tree_floor_log2, compare_tree_int): New functions.
13142 (preserve_rtl_expr_temps): New declaration.
13143 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13144 (decl_attributes): Use tree_log2 to find alignment.
13145 Check for TREE_INT_CST_HIGH for format args.
13146 (min_precision): Now unsigned.
13147 Use tree_floor_log2.
13148 (truthvalue_conversion): Delete long-disabled code.
13149 * c-decl.c (finish_struct): Clean up tests on field width.
13150 (finish_function): Use compare_tree_int.
13151 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13152 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13153 (default_conversion, digest_init): Use compare_tree_int.
13154 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13155 Fix type errors in forming masks.
13156 * calls.c (initialize_argument_information): Use compare_tree_int.
13157 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13158 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13159 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13160 (store_field): Use compare_tree_int.
13161 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13162 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13163 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13164 (do_store_flag): Use compare_tree_int.
13165 * fold-const.c (encode, decode): Low part is always unsigned.
13166 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13167 (lshift_double, rshift_double, lrotate_double): Likewise.
13168 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13169 (fold_convert): Use compare_tree_int.
13170 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13171 (invert_truthvalue, case INTEGER_CST): Likewise.
13172 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13173 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13174 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13175 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13177 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13178 (expand_end_case): Use compare_tree_int.
13179 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13180 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13181 (layout_decl): Likewise.
13182 (layout_record, layout_union): Make sizes unsigned.
13183 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13184 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13185 * tree.c (struct type_hash): hashcode is unsigned.
13186 (build_type_attribute_variant, type_hash_list): Likewise.
13187 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13188 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13189 (build_complex_type): Likewise.
13190 (real_value_from_int_cst): Remove unneeded casts.
13191 (integer_all_onesp): Add casts.
13192 (tree_floor_log2, compare_tree_int): New functions.
13193 (build_index_type): Use tree_int_cst_sgn.
13194 * varasm.c (assemble_variable): Use compare_tree_int.
13196 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13198 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13200 * varasm.c (make_decl_rtl): Don't add a number to members of
13202 (make_function_rtl): Likewise.
13204 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13206 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13207 patch from 2000-01-28.
13209 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13211 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13212 filled with an insn from the jump target.
13214 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13216 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13217 (c4x_external_ref): Likewise.
13218 * config/c4x/c4x.c (struct name_list): Likewise.
13220 1999-12-16 Ben Collins <bcollins@debian.org>
13222 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13223 argument to genmultilib.
13224 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13225 the contents into the multilib.h header.
13226 * gcc.c: Declare multilib_exclusions for the specs file.
13227 (set_multilib_dir): Use it.
13228 (print_multilib_info): Likewise.
13229 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13230 to pass to genmultilib.
13232 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13234 * builtins.c (built_in_class_names, built_in_names): Constify a
13237 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13239 (_mcleanup): Ensure value matches format specifier in sprintf.
13241 * cpphash.c (special_symbol): Don't needlessly cast away
13244 * cppinit.c (base_name): Delete unused prototype.
13246 * mkdeps.c (deps_init): Make definition K&R safe.
13248 * tree.h (built_in_class_names, built_in_names): Constify a
13251 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13253 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13254 floating point instructions for epilogue delay.
13256 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13257 to gas if it supports .register pseudo.
13259 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13260 LONG_DOUBLE_TYPE_SIZE if not defined.
13261 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13262 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13263 * real.c: Likewise.
13264 * gengenrtl.c: Likewise.
13265 * print-rtl.c: Likewise.
13267 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13268 MASK_LONG_DOUBLE_128.
13269 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13270 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13271 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13272 (SUBTARGET_SWITCHES): Define.
13273 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13274 with -mlong-double-128.
13275 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13276 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13277 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13278 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13279 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13280 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13281 with -mlong-double-128.
13282 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13283 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13284 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13285 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13286 TARGET_LONG_DOUBLE_128): Define.
13287 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13288 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13289 long double on TARGET_ARCH64.
13291 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13293 * function.c (free_temps_for_rtl_expr): Don't free slots
13294 that have been pushed into a higher level.
13297 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13299 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13301 * basic-block.h (ALLOCA_REG_SET): Remove.
13302 (INITIALIZE_REG_SET): New macro.
13303 * flow.c (update_life_info): Use it.
13304 (calculate_global_regs_live): Likewise.
13305 (propagate_block): Likewise.
13306 * global.c (build_insn_chain): Likewise.
13307 * haifa-sched.c (schedule_region): Likewise.
13309 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13311 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13312 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13313 (DWARF_ARANGES_PAD_SIZE): New define.
13314 (output_aranges): Use it to pad the address range header.
13315 (DWARF_ROUND): Fix for non power of 2 rounding.
13317 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13319 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13321 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13323 * tree.def (RTL_EXPR): Update documentation.
13324 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13325 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13326 * function.c (preserve_rtl_expr_temp): New function.
13327 (preserve_rtl_expr_temps): Likewise.
13328 (preserve_rtl_expr_result): Use it.
13331 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13333 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13335 * regmove.c (copy_src_to_dest) Do not create src->dest move
13336 for unchanging destination.
13338 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13340 * function.h (struct sequence_stack): Remove rtl_expr.
13341 (struct emit_staus): Likewise.
13342 (seq_rtl_expr): Remove.
13343 * tree.h (free_temps_for_rtl_expr): Don't declare.
13344 (start_sequence_for_rtl_expr): Likewise.
13345 * rtl.h (preserve_rtl_expr_result): Likewise.
13346 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13347 (start_sequence_for_rtl_expr): Remove.
13348 (push_topmost_sequence): Don't save sequence_rtl_expr.
13349 (pop_topmost_sequence): Remove comment about not restoring it.
13350 (end_sequence): Don't set seq_rtl_expr.
13351 (init_emit): Don't initialize it.
13352 (mark_sequence_stack): Don't mark it.
13353 (mark_emit_status): Likewise.
13354 * except.c (protect_with_terminate): Use
13355 start_sequence_for_rtl_expr, not start_sequence.
13356 * expr.c (expand_expr, case RTL_EXPR): Don't call
13357 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13358 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13359 (preserve_rtl_expr_result): Remove.
13360 (free_temps_for_rtl_expr): Likewise.
13361 (pop_temp_slots): Likewise.
13362 (mark_temp_slot): Don't mark the rtl_expr.
13363 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13364 start_sequence_for_rtl_expr.
13366 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13368 * mkdeps.c, mkdeps.h: New files.
13369 * po/POTFILES.in: Add them.
13370 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13371 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13372 (mkdeps.o): New target.
13374 * cppfiles.c: Delete deps_output.
13375 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13376 OBJECT_SUFFIX, and base_name.
13377 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13379 (initialize_dependency_output): Use deps_init,
13380 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13381 all the unnecessary string bashing.
13382 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13384 * cpplib.c (do_include): Use deps_add_dep.
13385 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13386 deps_allocated_size, deps_size, deps_column members with
13387 single pointer to a struct deps. Delete prototype of
13390 * cppinit.c: Fix thinko in previous patch.
13392 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13394 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13395 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13396 (mode_for_size_tree): New function.
13397 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13398 * tree.h (mode_for_size_tree): New declaration.
13400 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13402 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13404 * stmt.c (is_body_block): Move...
13405 * dwarfout.c, dwarf2out.c: ...from here.
13406 * tree.h: Declare it.
13407 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13408 * final.c (final_start_function): Do call remove_unnecessary_notes
13411 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13413 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13415 * cpplib.h (_dollar_ok): New macro.
13416 (is_idchar, is_idstart): Use it.
13417 (IStable): Rename to _cpp_IStable. Declare it const if
13418 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13419 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13420 is_space): Update for renamed IStable.
13422 * cppinit.c: Delete all references to FAKE_CONST and CAT
13423 macros. Define init_IStable as empty macro if gcc >=2.7 or
13424 C99. Change TABLE() to ISTABLE and hardcode name of table.
13425 (cpp_start_read): Don't change the IStable based on
13428 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13429 changed. Handle '$' for char1 correctly.
13430 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13432 * cppexp.c (tokentab2): Make const.
13433 (cpp_lex): Make toktab const.
13434 * cppinit.c (include_defaults_array): Make const.
13435 (initialize_standard_includes): Make default_include const.
13437 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13439 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13440 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13441 (gen_decl_die): Likewise.
13442 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13443 (output_decl): Likewise.
13445 * varasm.c (make_function_rtl): If we change the name used in the
13446 rtl, update DECL_ASSEMBLER_NAME accordingly.
13447 (make_decl_rtl): Likewise.
13449 * toplev.c (rest_of_compilation): Tweak formatting.
13451 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13452 remove_unnecessary_notes.
13453 (debug_ignore_block): New fn.
13454 * toplev.h: Declare it.
13455 * emit-rtl.c (remove_unncessary_notes): Call it.
13456 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13457 * dwarf2out.h: Declare it.
13458 * final.c (final_start_function): Don't call remove_unnecessary_notes
13459 if we did insn scheduling.
13461 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13463 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13464 * cpplib.h: Delete SET_CPP_PEDANTIC.
13466 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13468 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13469 result is a RECORD_TYPE.
13471 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13473 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13475 2000-03-03 Richard Henderson <rth@cygnus.com>
13477 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13478 addition over compliments over shifts.
13480 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13482 * reload1.c (reload_combine_note_use): Handle return register USEs.
13483 REG case: Handle multi-hard-register hard regs.
13485 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13487 * md.texi: Document use of '*' in insn pattern name.
13489 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13491 * calls.c (special_function_p): operator new may not be malloc-like.
13493 * gcse.c (dump_hash_table): Really fix error in last change.
13495 2000-03-02 Denis Chertykov <denisc@overta.ru>
13497 * avr.c (print_operand): Use print_operand_address instead of
13499 * avr/libgcc.S: Cleanup code.
13501 2000-03-02 Richard Henderson <rth@cygnus.com>
13503 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13505 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13507 * tree.h (TYPE_ALIGN_UNIT): New macro.
13509 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13511 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13513 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13515 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13517 (SET_CPP_PEDANTIC): New macro.
13518 * cpplib.c (do_include): Don't bother checking system_header_p.
13519 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13520 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13522 * function.h (struct expr_status): Add x_arg_space_so_far.
13523 (arg_space_so_far): New macro.
13524 * expr.c (init_expr): Initialize it.
13525 * calls.c (emit_call_1): Reset it.
13526 (compute_argument_block_size, expand_call): Use it.
13527 (expand_call, store_one_arg): Increment it.
13529 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13531 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13534 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13536 * cppfiles.c (cpp_read_file): New function.
13538 * cpphash.c (collect_expansion): Make sure to reset last_token
13539 to NORM when we hit a string. Handle trailing whitespace
13540 properly when the expansion is empty.
13541 (create_definition): Disable line commands while parsing the
13543 (dump_definition): If pfile->lineno == 0, output a line
13544 command ahead of the dump, and add a trailing newline.
13546 * cppinit.c (append_include_chain): Add fifth argument, which
13547 indicates whether or not system headers are C++ aware.
13548 (initialize_standard_includes): New function,
13549 broken out of read_and_prescan. Pass 'cxx_aware' value from
13550 the include_defaults_array on to append_include_chain.
13551 (dump_special_to_buffer): Const-ify char array.
13552 (builtin_array): Don't dump __BASE_FILE__.
13553 (cpp_start_read): Use cpp_read_file. Reorder code for
13554 clarity. Don't output line commands here for -D/-A/-U
13555 switches. Don't call deps_output for files included with
13556 -include or -imacros.
13558 * cpplib.c (do_define): Don't pay any attention to the second
13560 (cpp_expand_to_buffer): Disable line commands while scanning.
13561 (output_line_command): Work in the file buffer.
13562 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13563 Fix formatting of comments. Prototype cpp_read_file.
13565 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13567 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13568 reference the language-equivalent of sizetype.
13569 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13570 * fold-const.c (size_binop, size_diffop): Put back checks.
13571 * gcse.c (dump_hash_table): Fix minor error in last change.
13572 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13573 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13576 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13578 * calls.c (expand_call) Do not attempt to combine stack adjustments
13579 with inhibit_defer_pop set.
13581 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13583 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13584 the DECL_SIZE for a FIELD_DECL.
13586 2000-03-01 Bruce Korb <bkorb@gnu.org>
13588 * fixinc/inclhack.tpl: remove unused symlinks
13589 * fixinc/README: GCC Maintainer info
13590 * fixinc/inclhack.sh: regen
13591 * fixinc/fixincl.sh: regen
13593 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13595 * cpphash.c (collect_expansion): Trim trailing white space
13596 from macro definitions, but don't go past the last insertion
13599 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13601 * i386.md (mulqi3): New pattern.
13603 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13605 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13607 (struct cpp_reader): Add parsing_if_directive and
13608 parsing_define_directive flags.
13609 (struct cpp_options): Remove output_conditionals flag.
13610 (check_macro_name): Delete prototype.
13612 * cpphash.h (struct macrodef): Delete.
13613 (struct reflist): Separate from struct definition.
13614 (struct definition): Remove unused fields. Add column number.
13615 (create_definition): Returns a DEFINITION *. Takes a
13616 cpp_reader * and an int.
13618 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13619 (PEEKC): Copy defn from cpplib.c.
13620 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13622 (struct arglist): Simplify.
13623 (collect_expansion): Rewrite. Get tokens by calling
13624 cpp_get_token. Add more error checking.
13625 (collect_formal_parameters): New function, broken out of
13626 create_definition and reworked to use get_directive_token.
13627 (create_definition): All real work is now in collect_expansion
13628 and collect_formal_parameters. do_define handles finding the
13629 macro name. Return a DEFINITION, not a MACRODEF.
13630 (macroexpand): Replace bcopy with memcpy throughout. Replace
13631 character-at-a-time copy loop with memcpy and pointer increments.
13632 (compare-defs): d1->argnames / d2->argnames might be null.
13634 * cpplib.c (copy_rest_of_line): Delete function.
13635 (skip_rest_of_line): Do all the work ourselves.
13636 (skip_string): New function.
13637 (parse_string): Use skip_string.
13638 (get_macro_name): New function.
13639 (check_macro_name): Delete.
13640 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13641 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13642 (handle_directive): ICE if we're called on a macro buffer.
13643 (do_define): Determine macro name and type (funlike/objlike)
13644 here. Expunge all uses of MACRODEF.
13645 (cpp_push_buffer): Set line_base to NULL.
13646 (do_undef, read_line_number): Don't worry about getting a POP token.
13647 (eval_if_expression): Set/reset parsing_if_directive around
13648 cpp_parse_expr. Don't clear only_seen_white.
13649 (skip_if_group): Remove output_conditionals logic. Use
13651 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13652 tokens under appropriate conditions.
13653 (cpp_unassert): Call do_unassert not do_assert. Oops.
13655 * cppexp.c (parse_defined): New function, break out of
13657 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13658 ourselves, with cpp_defined.
13659 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13661 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13662 * gcc.dg/strpaste-2.c: New.
13664 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13666 * fold-const.c (size_binop): Don't asert inputs are the same and
13667 have TYPE_IS_SIZETYPE set.
13668 (size_diffop): Likewise.
13670 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13672 * dwarfout.c (output_block): Output abstract blocks even if they
13673 don't have TREE_ASM_WRITTEN set.
13675 * calls.c (emit_library_call): Check for null REG.
13677 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13679 * c-decl.c (current_function_decl): Move to toplev.c.
13680 (init_decl_processing): Don't add current_function_decl as a ggc
13682 * dbxout.c (dbxout_symbol): Change return type to int.
13683 (dbxout_symbol_location, dbxout_syms): Likewise.
13684 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13685 any locals. Use current_function_func_begin_label if set.
13686 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13687 * dwarf2out.c (dwarf2out_begin_prologue): Set
13688 current_function_func_begin_label.
13689 * final.c (final_start_function): Reset it.
13690 * toplev.c (current_function_decl): Define it here.
13691 (current_function_func_begin_label): New variable.
13692 (main): Add both as ggc roots.
13693 * tree.h (current_function_func_begin_label): Declare.
13695 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13697 * gcse.c: Cleanups throughout: mostly white-space, but also
13698 some minor rearrangement of code.
13700 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13702 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13703 returns a PARALLEL. Use emit_group_load and use_group_regs
13705 (emit_library_call_value): Similarly.
13707 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13708 * pa/quadlib.asm: Remove.
13709 * pa/quadlib.c: New file.
13711 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13712 * configure: Rebuilt.
13714 2000-02-29 Philip Blundell <pb@futuretv.com>
13716 * config/arm/conix-elf.h: New file.
13717 * configure.in (arm*-*-conix*): New configuration.
13718 * configure: Regenerate.
13720 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13722 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13723 don't have TREE_ASM_WRITTEN set.
13725 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13727 * Eliminate DECL_FIELD_SIZE.
13728 * builtins.c (built_in_class_names, built_in_names): New variables.
13729 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13730 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13731 DECL_SIZE, not DECL_FIELD_SIZE.
13732 * print-tree.c (print_node): Remove code that prints extra blank
13733 lines in some cases.
13734 Properly handle inline and builtin function cases.
13735 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13736 * tree.h (built_in_class_named, built_in_names): New declarations.
13737 (union tree_decl): Rename internal unions to u1 and u2 and change
13738 some of their components.
13739 Add new field built_in_class.
13740 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13741 Reflect above changes.
13742 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13743 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13744 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13745 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13747 2000-02-28 Dmitri Makarov <dim@windriver.com>
13749 * extend.texi: Document ARM's support for long/short calls.
13751 * invoke.texi: Document ARM's -mlong-calls command line switch.
13753 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13754 (arm_encode_call_attribute): Add prototype.
13755 (arm_set_default_type_attribute): Add prototype.
13756 (arm_strip_name_encoding): Add prototype.
13758 * config/arm/arm.c (arm_init_cumulative_args): replace
13759 initialisation og 'long_calls' field with initialisation of
13760 'call_cookie' field.
13761 (enum arm_pragma_enum): New enum.
13762 (arm_pragma_long_calls): New static variable.
13763 (arm_process_pragma): Also process "#pragma long_calls_off".
13764 (arm_valid_type_attribute_p): Accept short_call attribute.
13765 (arm_comp_type_attributes): Check long/short call attributes.
13766 (arm_encode_call_attribute): New function: Encode long_call
13767 or short_call attribute in function name.
13768 (arm_set_default_type_attributes): New function: Assign
13769 default attributes to newly defined type.
13770 (current_file_function_operand): New function: Return true if
13771 the symbol is a function which has already been compiled.
13772 (arm_is_longcall_p): New function: Return true if the
13773 indicated function should be called via a long call.
13774 (arm_get_strip_length): New function. Returns number of
13775 prefix characters to be stripped from a function's name.
13776 (arm_strip_name_encoding): New function. Strip prefix characters
13777 from a function's name.
13779 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13780 with 'call_cookie'.
13781 (SHORT_CALL_FAG_CHAR): Define.
13782 (LONG_CALL_FAG_CHAR): Define.
13783 (ENCODED_SHORT_CALL_ATTR_P): Define.
13784 (ENCODED_LONG_CALL_ATTR_P): Define.
13785 (ARM_NAME_ENCODING_LENGTHS): Define.
13786 (STRIP_NAME_ENCODING): Define.
13787 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13788 (ARM_ENCODE_CALL_TYPE): Define.
13789 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13790 (ARM_DECLARE_FUNCTION_SIZE): Define.
13791 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13793 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13794 if a long call is needed.
13795 (call_value): Ditto.
13796 (call_symbol): Ditto.
13798 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13799 ARM_DECLARE_FUNCTION_SIZE.
13801 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13802 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13803 (ARM_STRIP_NAME_ENCODING): Undefine.
13804 (STRIP_NAME_ENCODING): Undefine.
13805 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13806 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13807 (ASM_OUTPUT_COMMON): Ditto.
13808 (ASM_DECLARE_OBJECT_NAME): Ditto.
13810 * config/arm/pe.c (arm_dllexport_name_p): Check for
13812 (arm_dllimport_name_p): Ditto.
13813 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13814 (arm_mark_dllimport): Ditto.
13816 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13818 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13820 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13822 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13824 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13826 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13827 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13828 NO_BUILTIN_WCHAR_TYPE is not defined.
13829 (CPP_WCHAR_TYPE): Delete.
13830 * cccp.c (main): Don't change wchar_type if cplusplus.
13831 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13833 2000-02-28 Nick Clifton <nickc@cygnus.com>
13835 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13837 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13839 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13840 (ASM_WEAKEN_LABEL): Define.
13842 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13844 * expr.c (store_constructor): Do not emit USE.
13845 * rtl.h (stupid_life_analysis): Remove.
13847 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13849 * function.c (number_blocks): Reset next_block_index based on
13850 what debugging format is used, not what is defined.
13852 * lcm.c: Minor reformatting throughout.
13853 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13855 * toplev.c (rest_of_compilation): Account for time in
13856 optimize_mode_switching.
13858 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13859 if only marking labels.
13861 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
13863 * calls.c (expand_call): Attempt to combine stack adjustments with
13864 pending stack adjustments.
13866 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13868 * loop.c (reg_in_basic_block_p): Don't abort when falling through
13869 to the end of the function.
13871 2000-02-27 Mark Mitchell <mark@codesourcery.com>
13873 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
13875 * final.c (next_block_index): Remove.
13876 (max_block_depth): Likewise.
13877 (pending_blocks): Likewise.
13878 (init_final): Don't initialize them.
13879 (final_start_function): Don't set next_block_index. Set up
13881 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
13882 * function.h (number_blocks): New function.
13883 * function.c (get_block_vector): New function.
13884 (identify_blocks): Use it.
13885 (reorder_blocks): Set NOTE_BLOCK.
13886 (number_blocks): New function.
13887 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
13888 * tree.h (BLOCK_NUMBER): New macro.
13889 (tree_block): Add block_num field.
13890 * dbxout.c (next_block_number): Remove.
13891 (dbxout_init): Don't set it.
13892 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
13893 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
13895 * toplev.c (rest_of_compilation): Always call
13896 find_loop_tree_blocks. Fix indentation.
13897 * dwarf2out.c (next_block_number): Remove.
13898 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13899 to determine block numbers.
13900 (gen_inlined_subroutine_die): Likewise.
13901 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
13902 (decls_for_scope): Don't increment next_block_number.
13903 * dwarfout.c (next_block_number): Remove.
13904 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
13905 to determine block numbers.
13906 (output_inlined_subroutine_die): Likewise.
13907 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
13908 (output_decls_for_scope): Don't increment next_block_number.
13909 * sdbout.c (next_block_number): Remove.
13910 (sdbout_block): Use BLOCK_NUMBER.
13911 (sdbout_begin_block): Simplify.
13912 * xcoffout.c (next_block_number): Remove.
13913 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
13914 (xcoffout_begin_block): Don't set next_block_number.
13915 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
13918 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13920 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
13921 (expand_builtin_strcpy): Pass correct type to size_binop.
13922 (expand_builtin_strcmp): Likewise.
13923 Clean up conditional structure.
13924 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
13925 (complete_array_type): Don't use size_binop for MAXINDEX.
13926 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
13927 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
13928 (c_alignof): Use size_one_node.
13929 (build_unary_op): Pass arg of proper type to size_binop.
13930 (really_start_incremental_init, push_init_level): Use sizetype for
13931 constructor{,_bit,_unfilled}_index.
13932 (pop_init_label, output_init_element): Likewise.
13933 (output_pending_init_elements, process_init_element): Likewise.
13934 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
13935 * expr.c (store_expr): Use size_int.
13936 (store_constructor): Use proper types for size_binop args.
13937 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
13938 (expand_expr_unaligned): Likewise.
13939 (string_contant): Return object of sizetype.
13940 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
13941 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
13942 (ARGS_SIZE_TREE): Pass proper types to size_binop.
13943 * fold-const.c (int_const_binop): Refine when size_int is called.
13944 (fold_convert): Likewise.
13945 (size_int_wide): Rework to take KIND as arg, only take low order
13946 bits, handle new sizetype_tab datatype, and chain entries in
13948 (size_int_type_wide): New function.
13949 (size_binop): Validate types of arguments.
13950 (ssize_binop): Deleted.
13951 (size_diffop): New function.
13952 (extract_muldiv): Only fold division into multiplication for sizetypes.
13953 * function.c (assign_parms): Use size_diffop and make sure
13954 VAR field is of ssizetype; also pass proper type to size_binop.
13955 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
13956 (round_down): Deleted from here.
13957 * store-layout.c (sizetype_tab): Now an array.
13958 (sizetype_set, early_root_list): New variables.
13959 (variable_size): Use size_one_node.
13960 (round_up): Pass proper type to size_binop.
13961 (round_down): Moved to here and corrected as above.
13962 (layout_record): Pass proper arg types to size_binop.
13963 (layout_type): Likewise.
13964 If sizetype_set is zero, record the type just laid out.
13965 (make_unsigned_type): Don't call set_sizetype;
13966 (make_signed_type): Likewise; also, call fixup_signed_type.
13967 (initialize_sizetypes): New function.
13968 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
13969 set name of bitsizetype to "bit_size_type".
13970 Fix up type of sizes of all types made before call.
13971 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
13972 * tree.c (fix_sizetype): Deleted.
13973 (build_common_tree_nodes): Call initialize_sizetypes.
13974 (build_common_tree_nodes_2): Don't call fix_sizetype.
13975 * tree.h (TYPE_IS_SIZETYPE): New macro.
13976 (initialize_sizetype): New declaration.
13977 (enum size_type_kind): New type.
13978 (struct sizetype_tab): Deleted.
13979 (sizetype_tab): Now array; adjust sizetype macros.
13980 (size_diffop, size_int_type_wide): New functions.
13981 (size_int_wide): Change number of args and type; access macros changed.
13982 (ssize_int, sbitsize_int): New macros.
13983 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
13984 (ROUND_TYPE_SIZE_UNIT): New macro.
13986 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
13988 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
13990 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13992 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
13993 Mark as possibly unused.
13995 * cse.c (cse_insn): Delete dead code involving tablejump.
13996 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
13998 * Makefile.in (libcpp.a): Start by deleting it.
14000 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14002 * cpplib.h (enum file_change_code): Added rename_file.
14003 * cpplib.c (do_line): If a filename is given, set file_change to
14005 (output_line_command): If file_change is rename_file, always
14006 output a # directive with the file name.
14008 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14010 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14012 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14013 when copying a PARM_DECL or RESULT_DECL.
14015 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14017 * fix-header.c (recognized_function): Also fix prototypes for
14018 functions taking "void".
14020 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14022 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14023 looking at reg_reloaded_contents.
14025 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14027 * Makefile.in (STMP_FIXINC): New toggle.
14028 (LIBGCC2_DEPS): Delete all references.
14029 (stmp-headers): Delete target. All references either deleted
14030 or changed to stmp-int-headers.
14031 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14032 (LIBCPP_OBJS): Take out cppalloc.o.
14033 (cppalloc.o): Delete target.
14034 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14035 (gen-protos, fix-header): Link with libiberty.a.
14036 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14039 * configure.in: Remove refs to strerror.
14040 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14041 * system.h: Take out strerror stanza.
14043 * cpperror.c (my_strerror): Delete function.
14044 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14045 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14046 * cppalloc.c: Delete file.
14047 * gen-protos.c: Don't provide xrealloc.
14049 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14050 xstrerror throughout.
14052 2000-02-26 Bruce Korb <bkorb@gnu.org>
14054 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14055 match for DOS headers, too.
14056 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14058 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14060 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14061 is right for most ELF targets.
14062 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14063 Let the default file use %U properly.
14064 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14067 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14070 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14072 * toplev.c (documented_lang_options): Correct spelling error.
14073 (decode_d_option, decode_f_option, main): Likewise.
14075 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14077 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14078 to tell assembler it is permitted to expand large constants.
14080 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14082 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14083 (aux_info_suffix): Use.
14084 (SAVE_SUFFIX): New macro.
14085 (save_suffix): Use.
14086 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14087 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14088 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14090 * invoke.texi (Running Protoize): Update documentation.
14092 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14094 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14096 2000-02-25 John Wehle (john@feith.com)
14098 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14100 2000-02-25 Anthony Green <green@cygnus.com>
14102 * toplev.c (rest_of_compilation): Rebuild jump labels if
14103 combine_instructions has created a new direct jump.
14104 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14106 (combine_instructions): Call try_combine with new argument.
14107 Return non-null value when new direct jump instruction is created.
14108 * rtl.h: combine_instructions returns an int.
14110 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14112 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14113 jump when changing a computed jump into a jump to a known
14116 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14118 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14119 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14121 * i386.md (define_expand "clrstrsi"): Fix typo.
14123 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14125 * rtl.texi: Fix typo.
14127 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14129 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14130 UNITS_PER_WORD. Change caller initial_elimination_offset.
14131 (rounded_frame_size): Take into account that argument pushed has
14132 changed. Fix TARGET_ALIGN_DOUBLE problem.
14134 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14136 * haifa-sched.c (schedule_block): Explain the real reason
14137 we delete REG_SAVE_NOTEs on the first insn of a block.
14138 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14140 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14142 * input.h (push_srcloc): New function.
14143 (pop_srcloc): Likewise.
14144 * toplev.c (push_srcloc): Define it.
14145 (pop_srcloc): Likewise.
14147 2000-02-24 Richard Henderson <rth@cygnus.com>
14149 * flow.c (life_analysis): When collecting reg info, clear
14152 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14154 Fix bug exposed by reload.c no longer rounding the frame
14155 size to BIGGEST_ALIGNMENT:
14156 * sh.c (rounded_frame_size): New function.
14157 (sh_expand_prologue, sh_expand_epilogue): Use it.
14158 (initial_elimination_offset): Likewise.
14160 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14162 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14163 * sh-protos.h (sh_need_epilogue): Declare.
14164 * sh.c (sh_need_epilogue_known): New static variable.
14165 (sh_need_epilogue): New function.
14166 (function_epilogue): Clear need_epilogue_known.
14167 * sh.md (return): Split into expander / insn pattern.
14168 Make the expander conditional on ! sh_need_epilogue ().
14170 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14172 * machmode.h (get_mode_alignment): Declare.
14173 (GET_MODE_ALIGNMENT): Call it.
14174 * stor-layout.c (get_mode_alignment): New function. Make
14175 sure alignment is always power of 2.
14177 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14179 * i386.h: Remove useless definition of "I386" and misleading
14182 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14184 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14185 under which TREE_PERMANENT will be set.
14186 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14187 build1): Use TREE_SET_PERMANENT.
14188 * print-tree.c (print_node): Don't report value of
14189 TREE_PERMANENT if ggc_p is true.
14191 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14192 decide whether to give a type a new alias set.
14193 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14194 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14195 of value of 'obstack'.
14198 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14200 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14202 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14204 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14205 * cpplib.c (cpp_get_token): Produce them.
14206 * cppexp.c (cpp_lex): Handle them.
14208 2000-02-23 Nick Clifton <nickc@cygnus.com>
14210 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14211 comment tests on type attributes.
14213 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14215 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14216 conform to documentation.
14217 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14218 to check for special cases.
14219 * sh-protos.h (sh_loop_align): Declare.
14220 * sh.c (sh_loop_align): Define.
14222 2000-02-22 Andrew Haley <aph@cygnus.com>
14224 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14225 (SIZE_TYPE): Is 32 bits when using -mgp32.
14226 (PTRDIFF_TYPE): Ditto.
14228 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14230 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14232 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14234 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14235 BIGGEST_FIELD_ALIGNMENT a constant.
14237 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14239 * dwarf2out.c (output_line_info): Put the marker for the end of
14240 the line number info at the actual end.
14241 (gen_struct_or_union_type_die): Use decl_function_context
14242 to check for local classes.
14243 * dwarfout.c (output_type): Likewise.
14245 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14247 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14248 for arguments with a mode, but no type.
14249 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14250 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14251 * pa/long_double.h: New file.
14252 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14253 both have 128bit wide long doubles.
14254 * configure: Rebuilt.
14256 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14258 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14260 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14261 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14262 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14264 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14266 * integrate.c (compare_blocks, find_block): Likewise.
14268 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14270 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14272 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14273 expand_asm_operands): Likewise.
14275 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14277 * predict.c (estimate_probability): Added the pointer heuristic to
14278 the collection of static branch predictors.
14280 2000-02-21 Catherine Moore <clm@cygnus.com>
14282 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14283 * invoke.texi (-mfix7000): Document.
14285 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14287 * diagnostic.c (init_output_buffer): Make it possible to output at
14288 least 32 characters if we're given a too long prefix.
14290 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14292 * varasm.c (initializer_constant_valid_p): Call
14293 lang_expand_constant to simplify the constant.
14295 2000-02-20 Bruce Korb <bkorb@gnu.org>
14297 * fixinc/inclhack.def(stdio_va_list):
14298 typedef needs to be disabled.
14299 * fixinc/inclhack.sh: regen
14300 * fixinc/fixincl.x: regen
14302 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14304 * print-rtl.c (print_rtx): Don't print addresses when
14305 flag_dump_unnumbered.
14307 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14309 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14311 (sparc_va_arg, sparc_flat_output_function_prologue,
14312 sparc_flat_output_function_epilogue): Cast value to unsigned in
14314 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14316 * sparc.md: Add default case in switch.
14318 2000-02-19 Richard Henderson <rth@cygnus.com>
14320 * c-typeck.c (add_pending_init): Don't abort for multiple
14321 fields at the same offset.
14322 (pending_init_member): Test the correct member.
14324 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14326 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14328 (start_catch_handler) : Same.
14330 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14332 * Makefile.in: Have flow.o depend on $(EXPR_H)
14334 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14336 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14337 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14338 (finish_decl): Remove -Wlarger-than code from here.
14339 * flags.h (id_clash_len): Now int.
14340 (larger_than_size): Now HOST_WIDE_INT.
14341 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14342 Clean up checking to see if in table.
14343 (make_bit_field_ref): Remove extra parm to bitsize_int.
14344 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14345 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14346 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14347 and for computing size of decl.
14348 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14349 Move -Wlarger-than code to here.
14350 (layout_record): Remove extra arg to bitsize_int.
14351 Set TYPE_BINFO_SIZE_UNIT.
14352 (layout_union): Remove extra arg to bitsize_int.
14353 Use proper type for size of QUAL_UNION.
14354 (layout_type): Remove extra arg to bitsize_int.
14355 * toplev.c (id_clash_len): Now int.
14356 (larger_than_size): Now HOST_WIDE_INT.
14357 (decode_W_option): Clean up id-clash and larger-than- cases.
14358 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14359 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14360 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14361 (struct tree_decl): New field size_unit.
14362 (size_int_wide): No HIGH operand; NUMBER is now signed.
14363 (size_int_2): Deleted.
14364 (size_int, bitsize_int): Don't use it and rework args.
14365 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14367 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14369 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14371 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14373 * invoke.texi (Warning Options): Add an explanation of why
14374 you might want the -Wfloat-equal flag.
14376 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14378 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14379 * cppinit.c (new_pending_define): Add cast to avoid warning.
14380 * expmed.c (extract_bit_field): Likewise.
14381 * flow.c (enum reorder_skip_type): New type.
14382 (skip_insns_between_blcok): New it.
14383 Rework to avoid warning about possibly undefined variable.
14384 * function.c (assign_parms): Make thisparm_boundary unsigned.
14385 * genrecog.c (write_switch): Cast XWINT result to int.
14386 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14387 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14388 one for MIPS and one for Alpha.
14389 (get_tag, copy_object): Add casts to avoid warnings.
14390 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14391 * reload.c (find_reloads): Make TYPE enum reload_type.
14392 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14393 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14394 * varasm.c (compare_constant_1): Add cast to avoid warning.
14395 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14397 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14398 Cast switch operand of size to int.
14399 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14400 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14403 2000-02-18 Nick Clifton <nickc@cygnus.com>
14405 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14406 anything for an alignment of zero.
14408 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14409 anything for an alignment of zero.
14411 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14413 * gcc.texi (Bug Reporting): Refer to bugs.html.
14414 (Bug Lists): Likewise.
14415 * system.h (GCCBUGURL): New preprocessor define.
14416 * rtl.c (fancy_abort): Use it.
14417 * gcc.c (main): Likewise.
14419 2000-02-18 Richard Henderson <rth@cygnus.com>
14421 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14422 (life_analysis_1): Subsume into ...
14423 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14424 Use update_life_info for the relaxation.
14425 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14426 entry and regs_live_at_setjmp.
14427 (set_noop_p): Simplify.
14428 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14429 (record_volatile_insns): Split into ...
14430 (delete_noop_moves): ... here,
14431 (notice_stack_pointer_modification): ... here,
14432 (insn_dead_p): ... and here.
14433 (propagate_block): Don't query INSN_VOLATILE.
14434 (mark_used_regs): Mind !PROP_REG_INFO.
14435 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14436 not in life_analysis.
14438 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14440 * loop.c (canonicalize_condition): New function,
14441 broken out of get_condition.
14442 (get_condition): Use it.
14443 * expr.h (canonicalize_condition): Prototype it.
14445 * tree.h (tree_int_cst_msb): Declare.
14446 * tree.c (tree_int_cst_msb): New function.
14448 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14450 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14453 * invoke.texi (-fmessage-length=n): Document.
14455 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14457 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14459 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14461 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14462 after the prologue.
14464 2000-02-17 Nick Clifton <nickc@cygnus.com>
14466 * config/arm/thumb.c: Replace includes of system headers with
14467 #include "system.h".
14469 2000-02-16 Richard Henderson <rth@cygnus.com>
14471 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14472 Add crtbeginS.o and crtendS.o.
14473 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14474 (ENDFILE_SPEC): Use crtendS.o.
14475 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14477 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14478 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14479 shared and present.
14480 (__dso_handle): New variable.
14481 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14482 bias to __CTOR_END__.
14484 2000-02-16 Richard Henderson <rth@cygnus.com>
14486 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14488 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14490 * longlong.h (__clz_tab): Declare as static to match definition.
14492 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14494 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14495 (XREF_FILE_NAME): Define.
14497 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14498 (EH_FRAME_SECTION_ASM_OP): Define.
14499 (IDENT_ASM_OP): Define.
14500 (TEXT_SECTION_ASM_OP): Define.
14501 (CPP_SPEC): Define.
14502 (CTORS_SECTION_ASM_OP): Define.
14503 (CTOR_SECTION_FUNCTION): Use it.
14504 (DTORS_SECTION_ASM_OP): Define.
14505 (DTOR_SECTION_FUNCTION): Use it.
14507 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14509 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14512 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14513 debug_bb_n): New functions.
14514 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14515 * basic-block.h: Prototype new functions.
14517 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14519 * configure.in: Add support for avr target.
14520 * configure: Rebuilt.
14522 * invoke.texi: Add AVR invocation docs.
14523 * install.texi: Add information about AVR.
14524 * md.texi: Add AVR constraint letters description.
14525 * extend.texi: Add description for AVR specific attributes.
14527 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14529 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14531 2000-02-16 Nick Clifton <nickc@cygnus.com>
14533 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14534 (make_insn_raw): Move RTL check here.
14536 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14538 * version.c: Include gansidecl.h and version.h.
14540 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14542 * configure.in (gcc_version): When setting, narrow search to
14543 lines containing `version_string'.
14545 * Makefile.in (mainversion): Likewise.
14546 (GCC_H): New variable.
14547 (gcc.h): Delete target.
14548 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14549 (version.o): Depend on version.h.
14550 (dbxout.o): Don't depend on gcc.h.
14552 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14553 Michael Meissner <meissner@cygnus.com>
14555 * md.texi (Simple Constraints): Add item about whitespace.
14556 * genoutput.c (strip_whitespace): New.
14557 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14558 strip_whitespace for constraints.
14559 Test pointer using NULL, not 0.
14561 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14563 * cpplib.c (do_line): Pedwarn for #line > 32767.
14565 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14567 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14569 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14570 to default cpp spec.
14571 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14572 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14575 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14578 2000-02-15 Denis Chertykov <denisc@overta.ru>
14580 * configure.in: Add support for avr target.
14582 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14584 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14585 (sh_addr_diff_vec_mode): Don't declare.
14586 * sh.c (sh_addr_diff_vec_mode): Delete.
14588 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14590 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14592 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14594 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14595 (smulsi3_highpart_i): Name.
14596 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14597 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14598 (smulsi3_highpart, umulsi3_highpart): Likewise.
14600 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14601 correctly independent of endianness.
14602 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14603 confuse the optimizers.
14604 (mulsidi3+1, umulsidi3+1): New define_split.
14606 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14608 * config/sh/sh.md: Guard insn splits against illegal registers.
14609 * config/sh/sh.h: Correct comment about macros.
14611 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14612 Andrew MacLeod <amacleod@cygnus.com>
14614 * Makefile.in (lcm.o): Depend on insn-attr.h.
14615 * basic-block.h (optimize_mode_switching): Declare.
14616 * lcm.c (tm_p.h, insn-attr.h): #include.
14617 (seginfo, bb_info): New structs.
14618 (antic, transp, comp, delete, insert) : New file-scope static variables.
14619 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14620 (reg_becomes_live, optimize_mode_switching): Likewise.
14621 * tm.texi: Add description of mode switching macros.
14622 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14624 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14625 (fldi_ok, fpscr_set_from_mem): New prototypes.
14626 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14627 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14628 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14629 (sh_flag_remove_dead_before_cse): Remove declaration.
14630 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14631 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14632 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14633 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14634 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14635 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14636 (fldi_ok): New function.
14637 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14638 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14639 (emit_df_insn): Likewise.
14640 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14641 (sh_flag_remove_dead_before_cse): Delete.
14642 (get_free_reg, fpscr_set_from_mem): New functions.
14643 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14644 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14646 2000-02-15 Loren Rittle <ljrittle@acm.org>
14648 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14650 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14652 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14653 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14655 * cccp.c: Include version.h and/or don't declare `version_string'.
14656 * collect2.c: Likewise.
14657 * alpha.c: Likewise.
14658 * arm/aof.h: Likewise.
14659 * arm/coff.h: Likewise.
14660 * arm/elf.h: Likewise.
14661 * arm/pe.h: Likewise.
14662 * arm/tcoff.h: Likewise.
14663 * arm/telf.h: Likewise.
14664 * arm/tpe.h: Likewise.
14665 * arm/vxarm.h: Likewise.
14666 * convex/convex.c: Likewise.
14667 * i386/dgux.c: Likewise.
14668 * i386/sun386.h: Likewise.
14669 * m88k/m88k.c: Likewise.
14670 * mcore/mcore-pe.h: Likewise.
14671 * mips/mips.h: Likewise.
14672 * romp/romp.h: Likewise.
14673 * sh/sh.c: Likewise.
14674 * cpphash.c: Likewise.
14675 * cppinit.c: Likewise.
14676 * dwarf2out.c: Likewise.
14677 * dwarfout.c: Likewise.
14680 * mips-tfile.c: Likewise.
14681 * protoize.c: Likewise.
14682 * toplev.c: Likewise.
14683 * tree.h: Likewise.
14685 * version.c (version_string): Constify a char*.
14687 * version.h: New file.
14689 2000-02-14 Nick Clifton <nickc@cygnus.com>
14691 * configure.in: Add mcore-elf and mcore-pe targets.
14692 * configure: Regenerate.
14694 * NEWS: Add note that MCore port has been contributed.
14696 * invoke.texi: Document command line switches for MCore port.
14697 * install.texi: Add MCore to list of supported targets.
14699 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14701 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14702 then we will need to import the frame handling functions.
14703 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14704 to import the frames themselves.
14706 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14707 Jason Eckhardt <jle@cygnus.com>
14709 * basic_block.h: Added prototype for reorder_basic_blocks.
14710 * toplev.c: Changes to add -freorder-blocks and graph dump after
14711 block reordering is done.
14712 * flow.c (reorder_block_def): New structure for use during block
14714 (REORDER_BLOCK_*): New macros to access members of above structure.
14715 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14716 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14717 functions for block reordering.
14719 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14721 * gcc.texi (Passes): Fix typo.
14722 * md.texi (Standard Names): Ditto.
14723 * tm.texi (Storage Layout): Ditto.
14725 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14727 * cpplib.c (do_define): Only free the old definition if it
14730 2000-02-13 Neil Booth <NeilB@earthling.net>
14732 * cppfiles.c (read_and_prescan): When emitting deferred
14733 newlines, test speccase[] again instead of checking each
14734 possible whitespace character in turn. When we encounter \r,
14735 look behind for \n first, then ahead.
14737 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14739 * cse.c (cse_altered): New internal flag.
14740 (cse_insn): Set it if we changed an insn.
14741 (cse_main): Clear cse_altered before each basic block.
14742 Only garbage collect if cse_altered is true afterward.
14744 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14746 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14748 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14750 * combine.c (simplify_comparison): Fix typo.
14752 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14754 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14757 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14759 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14760 previously inserted node instead of root node. Caller changed.
14762 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14764 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14766 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14768 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14769 __dereg_frame_dtor): Add prototype argument.
14771 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14773 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14775 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14777 * gthr-vxworks.h (__gthread_once): Likewise.
14779 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14781 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14783 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14784 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14785 stack pointer in functions w/o saved registers, output LEAVE more often
14786 on TARGET_USE_LEAVE machines.
14788 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14790 * config/arm/arm.c (arm_init_cumulative_args); New function:
14791 Initlaise the CUMULATIE_ARGS strcuture for a function
14793 (arm_function_arg): New function: Determine where to place a
14794 function's argument. Also handles deciding the function's
14796 (current_file_function_operand): New function: Return true if
14797 the symbol is a function which has already been compiled.
14798 (arm_is_long_call_p): New function: Return true if the
14799 indicated function should be called via a long call.
14800 (arm_valid_type_attribute_p): New function: Return true if the
14801 attribute is a valid, arm specific, attribute.
14802 (arm_comp_type_attribute): New function: Return true if the
14803 two types have compatable, arm specific, attributes.
14805 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14807 (FUNCTION_ARG): Redefine to call arm_function_arg.
14808 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14810 (INIT_CUMULATIVE_ARGS): Redefine to call
14811 arm_init_cumulative_args.
14812 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14814 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14816 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14818 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14819 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14820 (COMP_TYPE_ATTRIBUTES): Define.
14822 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14823 if a long call is needed.
14824 (call_value): Call arm_is_long_call_p to decide if a long call
14826 (call_symbol): Call arm_is_long_call_p to decide if a long call
14829 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14831 2000-02-11 Denis Chertykov <denisc@overta.ru>
14833 * README.AVR: New file with information about the avr ports.
14834 * config/avr: New directory with avr port files.
14836 2000-02-11 Andreas Jaeger <aj@suse.de>
14838 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14840 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14842 * cpphash.c: Fix formatting, update commentary.
14843 (dump_definition): Take three separate arguments instead of a
14844 MACRODEF structure argument.
14845 * cpphash.h: Update prototype of dump_definition.
14846 * cppinit.c (cpp_finish): Update call of dump_definition.
14848 * cpplib.c (do_define): Always create new hash entry with
14849 T_MACRO type. Remove redundant check for redefinition of
14850 poisoned identifier. Update call of dump_definition.
14851 (do_undef): Don't call check_macro_name. Rename sym_length to
14853 (do_error, do_warning): Don't use copy_rest_of_line or
14855 (do_warning): Don't use pedwarn for the actual warning,
14856 only the notice about its not being in the standard. (Fixes
14857 bug with #warning in system headers.)
14858 (do_ident): Stricter argument checking - accept only a single
14859 string after #ident. Also, macro-expand the line.
14860 (do_xifdef): Use cpp_defined. De-obfuscate.
14862 (do_pragma): Split out specific pragma handling to separate
14863 functions. Use get_directive_token. Update commentary. Do
14864 not pass on #pragma once or #pragma poison to the front end.
14865 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
14866 do_pragma_default): New.
14868 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
14870 * jump.c (jump_optimize_1): The first operand in a relational
14871 can be a CONST_INT.
14872 * optabs.c (emit_conditional_move): Handle relationals which
14873 have a known true/false result.
14875 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14877 * function.c (thread_prologue_and_epilogue_insns): Don't insert
14878 a RETURN insn into a block which already ends with a jump.
14880 2000-02-11 Geoff Keating <geoffk@cygnus.com>
14882 * haifa-sched.c (BUF_LEN): Increase a lot.
14884 2000-02-11 Nick Clifton <nickc@cygnus.com>
14886 * configure.in: Add tm_p_file specification for thumb targets.
14887 * configure: Regenerate.
14889 * config/arm/thumb-protos.h: New file: Prototypes for exported
14890 functions defined in thumb.c.
14892 2000-02-11 Robert Lipe <robertl@sco.com>
14894 * Makefile.in (bootstrap-lean): Remove additional files.
14895 (bootstrap2-lean): Likewise.
14896 (VOL_FILES): List of files for above.
14898 2000-02-11 Nathan Sidwell <nathan@acm.org>
14900 * cpphash.c (special_symbol): Remove spurious argument to
14903 2000-02-11 Joel Sherrill (joel@OARcorp.com>
14905 * configure.in: (i*86-*-rtems*): Swapped elf and coff
14907 * configure: Rebuilt.
14909 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
14911 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
14913 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
14915 * pa.c, pa.h: Remove trigraph sequences within comments.
14917 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
14919 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
14921 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
14923 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
14925 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14927 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
14929 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14931 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
14932 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
14933 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
14934 (ASM_FILE_END): Use c4x_file_end.
14935 * config/c4x/c4x.c (c4x_global_label): New function.
14936 (c4x_external_ref, c4x_file_end): Likewise.
14938 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
14939 (c4x_external_ref, c4x_end_file): Likewise.
14941 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
14943 * cppexp.c: Don't include cpphash.h.
14944 (parse_charconst, cpp_lex): Use cpp_defined.
14945 (cpp_lex): Use get_directive_token throughout. Remove
14946 unnecessary cases from switch. Move assertion-handling code
14947 down to OTHER case.
14948 (cpp_parse_expr): If we see '+' or '-', check the context to
14949 determine if they are unary or binary operators. Streamline
14950 the jumps a bit. Do not call skip_rest_of_line.
14952 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
14953 static. Export get_directive_token. Update commentary.
14954 (cpp_defined): New function.
14955 (do_define): Remove reference to T_PCSTRING. Call
14956 free_definition to release memory for old definition, when
14957 redefining a macro.
14958 (eval_if_expression): Set only_seen_white to 0 before calling
14959 cpp_parse_expr. Call skip_rest_of_line after it returns.
14960 (cpp_read_check_assertion): Don't preserve a pointer into the
14961 token buffer across a call to cpp_get_token.
14963 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
14964 * cppfiles.c (redundant_include_p): Use cpp_defined.
14965 * cpphash.c (free_definition): New function.
14966 (delete_macro): Use it. Update commentary.
14967 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
14969 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
14970 from enum node_type. Prototype cpp_defined and get_directive_token.
14971 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
14973 * fix-header.c (check_macro_names): Use cpp_defined.
14974 (read_scan_file): Set inhibit_warnings and inhibit_errors in
14975 the options structure.
14977 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
14979 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
14981 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
14983 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
14984 rather than die->die_tag.
14986 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14988 * combine.c (make_extraction, force_to_mode): Avoid warning on
14989 mixed-signedness conditionals.
14990 (make_field_assignment, nonzero_bits): Likewise.
14991 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
14992 (store_split_bit_field, extract_split_bit_field): Likewise.
14993 (extract_fixed_bit_field, store_bit_field,
14994 * expr.c: Change alignment to be unsigned everywhere.
14995 (move_by_pieces, store_constructor_field, store_constructor):
14996 Alignment parm is unsigned.
14997 (emit_block_move, emit_group_load, emit_group_store): Likewise.
14998 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
14999 (do_compare_rtx_and_jump): Likewise.
15000 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15001 Compare align with GET_MODE_ALIGNMENT.
15002 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15003 (get_inner_reference): Likewise.
15004 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15005 (expand_assignment): Local vars for alignment now unsigned.
15006 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15007 (do_compare_and_jump): Likewise.
15008 (store_field): Call new function expr_align.
15009 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15010 Alignment arg now unsigned.
15011 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15012 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15013 (extract_bit_field): Likewise.
15014 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15015 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15016 (get_best_mode): Alignment arg is unsigned.
15017 * rtl.h (move_by_pieces): Likewise.
15018 * store-layout.c (maximum_field_alignment, set_alignment):
15020 (layout_decl): Alignment arg is now unsigned.
15021 Remove unneeded casts.
15022 (layout_record, layout_union, layout_type): Remove unneeded casts.
15023 Local alignment variables now unsigned.
15024 (get_best_mode): Alignment arg now unsigned.
15025 * tree.c (expr_align): New function.
15026 * tree.h (expr_align): Likewise.
15027 (maximum_field_alignment, set_alignment): Now unsigned.
15028 (get_inner_reference): Alignment argument is now pointer to unsigned.
15029 * varasm.c (assemble_variable): Add cast to eliminate warning.
15031 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15033 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15034 then store directly into op0.
15036 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15037 the CALL_INSN, and emit the note immediately after it.
15039 2000-02-10 Nick Clifton <nickc@cygnus.com>
15041 * config/arm/thumb.md (epilogue): Include a (return) in the
15042 generated insn, and emit it using emit_jump_insn not
15045 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15047 * function.c (assign_temp): Change zero-sized arrays to size 1.
15048 * integrate.c (expand_inline_function): Do not update
15049 stack_alignment_needed
15050 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15051 add some sanity checking, remove optimization for function with
15054 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15056 * flow.c (mark_regs_live_at_end): Delete unused variables.
15058 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15060 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15061 in macro FRAME_GROWS_DOWNWARD.
15063 * stmt.c (expand_end_bindings): Delete unused variable.
15065 * unroll.c (iteration_info): Mark parameter `loop' with
15068 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15070 * fixinc/server.c (load_data): Return NULL if the marker line is
15072 (run_shell): If load_data returns NULL, retry the command once, in
15075 * configure: Rebuilt.
15077 2000-02-09 Bruce Korb <bkorb@gnu.org>
15079 * gcc/fixincludes: ** DELETED **
15080 * gcc/fixcpp: ** DELETED **
15081 * gcc/fixinc-nt.sed: ** DELETED **
15082 * gcc/just-fixinc: ** DELETED **
15083 * gcc/Makefile.in: Removed out-dated commentary
15084 * gcc/configure.in: Removed fast-fixincludes disablement.
15085 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15087 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15088 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15091 2000-02-09 Richard Henderson <rth@cygnus.com>
15093 * jump.c (delete_insn): Don't delete user labels at -O0.
15095 2000-02-09 Robert Lipe <robertl@sco.com>
15097 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15098 Don't link with HOST_LIBS.
15100 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15102 * configure.in: Correct --help text for --with-dwarf2.
15103 Put tm-dwarf2.h after other tm files, if it's requested.
15104 * configure: Regenerate.
15105 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15108 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15110 * cpplib.h: Provide HASHNODE typedef and forward decl of
15111 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15112 DEFINITION, struct hashnode, struct macrodef, struct
15113 definition, scan_decls prototype, default defn of
15114 INCLUDE_LEN_FUDGE moved elsewhere.
15116 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15117 definition, and struct hashnode moved here. Remove the unused
15118 'predefined' field from struct definition. Replace the 'args'
15119 union with its sole member. All users updated (cpphash.c).
15120 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15121 multiple include guard.
15123 * cpphash.c (hashf): Make static; use better algorithm; drop
15124 HASHSIZE parameter; return an unsigned int.
15125 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15126 used. Calculate HASHSIZE modulus here.
15127 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15129 (create_definition): Drop PREDEFINITION parameter.
15130 * cpplib.c (do_define): Don't calculate a hash value here.
15131 Don't pass (keyword == NULL) to create_definition.
15133 * scan.h: Prototype scan_decls here.
15134 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15135 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15136 callers of cpp_lookup and cpp_install updated.
15138 * cpphash.c (macarg): Hoist all the flag diddling out of the
15140 (macroexpand): ... and out of the loop that calls macarg.
15141 Skip over the initial paren before macro arguments with
15142 cpp_get_non_space_token; point may be some distance before
15143 that paren. Abort if it's not there.
15145 * cpplib.c (parse_clear_mark): Delete function.
15146 (parse_set_mark, parse_goto_mark): Make static.
15147 (ACTIVE_MARK_P): New macro.
15148 (skip_block_comment, skip_line_comment): Do not bump the line
15149 if ACTIVE_MARK_P is true.
15150 (cpp_pop_buffer): The buffer to be popped may not have an
15152 (cpp_get_token): When looking for the initial paren before
15153 macro arguments, only set a mark in a file buffer, Always
15154 return to that mark before proceeding to call macroexpand or
15155 return a NAME token.
15157 * cpplib.h: Remove prototypes of parse_set_mark,
15158 parse_clear_mark, parse_goto_mark.
15159 (struct cpp_options): Rename 'put_out_comments' to
15160 'discard_comments' and invert its sense.
15161 * cppinit.c, cpphash.c, cpplib.c: All users of
15162 put_out_comments changed to use discard_comments, with
15165 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15167 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15168 the edge from a block that both jumps and falls through to the
15171 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15173 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15174 constant source address is legitimate.
15176 2000-02-09 Philip Blundell <pb@futuretv.com>
15178 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15181 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15183 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15185 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15187 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15188 ends with a newline and a NUL. Don't be so clever manipulating
15191 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15193 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15194 not to BIGGEST_ALIGNMENT.
15196 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15198 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15199 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15200 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15201 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15202 * frame.c (execute_cfa_insn): Handle
15203 DW_CFA_GNU_negative_offset_extended.
15205 2000-02-08 Richard Henderson <rth@cygnus.com>
15207 * flow.c (tidy_fallthru_edges): Split out from ...
15208 (delete_unreachable_blocks): ... here.
15209 (find_basic_blocks): Use it.
15211 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15213 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15215 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15217 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15218 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15219 (fix-header.o): Don't depend on cpphash.h.
15221 * scan.c (hashstr): New function.
15222 * scan.h: Prototype it.
15223 * fix-header.c: Don't include cpphash.h. Use hashstr.
15224 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15225 hashstr. Report hash table statistics. Add private
15226 definition of xrealloc.
15228 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15230 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15232 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15234 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15235 jumps with returns unless they are jumps to the fallthru block.
15237 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15239 * i386.md (addqi3_cc): Fix contraints.
15241 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15243 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15245 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15247 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15248 carriage return after a macro name.
15250 2000-02-07 Fred Fish <fnf@be.com>
15252 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15253 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15255 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15257 * cppfiles.c (deps_output): Count spacers in deps_column.
15259 2000-02-07 Neil Booth <NeilB@earthling.net>
15261 * cppinit.c (initialize_dependency_output): If there is no
15262 suffix, don't try to look for known suffixes. Use strrchr.
15263 (cpp_start_read): Remove duplicate initialization.
15265 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15267 * calls.c (compute_argument_block_size): New argument
15268 preferred_stack_boundary.
15269 (expand_call): update cfun->preferred_stack_boundary, update call of
15270 compute_argument_block_size
15271 (emit_library_call): Increate cfun->preferred_stack_boundary
15272 to PREFERRED_STACK_BOUNDARY
15273 (emit_library_call_value): Likewise.
15274 * explow.c (allocate_dynamic_stack_spave): Likewise.
15275 * function.c (prepare_function_start): Set
15276 cfun->preferred_stack_boundary
15277 * function.h (struct function): Add preferred_stack_boundary field.
15278 * integrate.c (expand_inline_function): Update
15279 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15280 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15281 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15283 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15285 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15286 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15287 cpp_pedwarn, cpp_pedwarn_with_line,
15288 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15289 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15290 v_cpp_error_with_line, v_cpp_warning_with_line,
15291 cpp_message_from_errno, cpp_perror_with_name): Delete.
15293 * cpperror.c (cpp_print_containing_files): Take starting
15294 buffer as argument.
15295 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15296 (v_cpp_message): Now called directly by all entry points.
15298 (cpp_pfatal_with_name, cpp_message): Delete.
15299 (cpp_notice_from_errno, cpp_ice): New functions.
15300 (cpp_notice): Is now for reporting error conditions, just
15301 without an associated file.
15302 (cpp_error, cpp_error_with_line): Don't do anything if
15303 opts->inhibit_errors is on.
15304 (cpp_pedwarn_with_file_and_line): Take column argument also.
15306 * cpplib.h: Update prototypes of exported functions.
15307 (struct cpp_options): Add inhibit_errors.
15309 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15310 non-error messages. Include intl.h.
15312 * cppinit.c, cppmain.c: Likewise. Also, use
15313 cpp_notice_from_errno instead of cpp_perror_with_name or
15314 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15316 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15317 report internal errors.
15319 * cpplib.c (do_define): Switch bcopy to memcpy.
15320 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15322 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15323 bail out early if we hit a line comment.
15325 2000-02-06 Richard Henderson <rth@cygnus.com>
15327 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15328 * basic-block.h: Declare them.
15329 * emit-rtl.h (active_insn_p): New.
15330 (next_active_insn, prev_active_insn): Use it.
15331 * rtl.h: Declare it.
15332 * function.c (emit_return_into_block): New.
15333 (thread_prologue_and_epilogue_insns): Insert return insns instead
15334 of epilogues when possible.
15335 * jump.c (jump_optimize_1): Remove code to insert a return insn
15336 on the fallthru to the exit block.
15338 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15339 and for non-empty stack frames.
15340 * i386.md (return): Expand to return-pop as needed.
15342 2000-02-06 Richard Henderson <rth@cygnus.com>
15344 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15345 constant to op1 for testing.
15347 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15349 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15350 (fixuns_truncqfqi2): Use it.
15352 2000-02-06 Richard Henderson <rth@cygnus.com>
15354 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15355 as a TYPE_LEA insn.
15357 * i386.md (widening and peepholes): Mask the constant instead of
15360 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15362 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15363 input pointer before possibly branching off to the backslash
15365 * cpphash.c (macroexpand): Correctly delete \r escapes when
15366 stringifying parameters.
15367 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15368 if we can; bail out early if we hit a line comment.
15369 (handle_directive): Treat '# 123' in an .S file just like
15370 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15371 Return 1 for '# not_a_directive'.
15372 (get_directive_token): Pop macro buffers here, so that
15373 cpp_get_token can't sneakily move past a newline.
15375 (cpp_get_token): goto randomchar if handle_directive returns 0.
15377 * cppalloc.c: Update copyright.
15378 * cpplib.c: Merge all the static function prototypes into one
15380 * cpplib.h: Remove #if 0 block.
15382 * cpperror.c: Remove #ifdef EMACS block.
15383 * cppmain.c: Likewise.
15384 * cpphash.c: Remove #if 0 blocks.
15385 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15386 * cpplib.c: Remove #if 0 blocks and code referencing
15387 pcp_inside_if or for_lint. Remove duplicate error message.
15388 Fix error messages for #else after #else or #elif. Reformat.
15389 Remove archaic TODO list.
15390 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15392 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15394 * i386/osf1elf.h: Add missing backslash to multiline string.
15396 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15398 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15400 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15402 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15404 * c-common.c: Include expr.h.
15406 * c-pragma.c (mark_align_stack): Add prototype.
15408 * caller-save.c (add_stored_regs): Likewise.
15410 * combine.c (record_promoted_value): Likewise.
15412 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15415 * cppinit.c (new_pending_define): Likewise.
15417 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15419 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15420 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15421 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15422 class_scope_p): Likewise.
15424 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15425 dwarf2out_add_library_unit_info): Likewise.
15427 * ggc.h (ggc_page_print_statistics): Likewise.
15429 * haifa-sched.c (propagate_deps): Likewise.
15431 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15433 * rtl.h (set_stack_check_libfunc): Likewise.
15435 * toplev.h (set_fatal_function): Likewise.
15437 * toplev.c (set_fatal_function): Delete prototype.
15439 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15441 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15443 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15444 (FUNC_END): Likewise.
15446 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15448 * caller-save.c: Include tm_p.h.
15450 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15452 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15454 2000-02-04 Neil Booth <NeilB@earthling.net>
15456 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15459 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15461 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15462 * genflags.c: Use the max_operand_1 logic from genemit.c to
15463 calculate how many arguments gen_insn prototypes have. Remove
15464 NO_MD_PROTOTYPES ifdefs from the generated file.
15465 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15466 file. Cast gen_insn initializers to insn_gen_fn.
15467 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15468 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15470 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15472 * fixinc/Makefile.in (HDR): Add machname.h.
15475 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15477 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15478 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15479 (c4x_cpu_version): Ditto.
15480 * config/c4x/c4x-protos.h: ... here.
15482 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15484 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15485 gen_abstract_function on our context if we're a nested function.
15487 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15489 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15490 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15492 2000-02-04 Bruce Korb <bkorb@gnu.org>
15494 * fixinc/genfixes(machname.h):
15495 Move the functionality from gen-machine.h into this file.
15496 UNdef MN_NAME_PAT if there are no names to change.
15497 Also, be a little kinder when AutoGen is not present.
15499 * fixinc/Makefile.in(machname.h):
15500 Change the generation rule to use genfixes.
15502 * fixinc/fixfixes.c(machine_name):
15503 machine_name_fix's functionality now dependent upon whether
15504 MN_NAME_PAT is defined.
15506 * fixinc/fixtests.c(machine_name):
15509 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15512 * fixinc/fixlib.h(mn_get_regexps):
15515 * fixinc/gen-machine.h: DELETED
15517 2000-02-04 Jan Hubicka <jh@suse.cz>
15518 Richard Henderson <rth@cygnus.com>
15520 * i386.c (SAVE_REGS_FIRST): Remove.
15521 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15522 (ix86_compute_frame_size): Likewise.
15523 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15524 (ix86_emit_restore_regs): Remove.
15525 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15526 when a frame pointer is in use.
15527 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15528 instead of pop to restore a register when profitable; emit leave
15530 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15531 as a TYPE_LEA insn.
15532 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15533 * i386.md (prologue_allocate_stack): Remove.
15534 (epilogue_deallocate_stack): Remove.
15535 (pro_epilogue_adjust_stack): New.
15537 2000-02-04 Richard Henderson <rth@cygnus.com>
15539 * function.c (diddle_return_value): Rework to use a callback function.
15540 Use current_function_return_rtx if it's been set up.
15541 (do_clobber_return_reg, clobber_return_register): New.
15542 (do_use_return_reg, use_return_register): New.
15543 (expand_function_end): Use them.
15544 * stmt.c (expand_null_return): Likewise.
15545 * function.h: Declare them.
15546 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15547 (mark_reg): Change arguments as appropriate for callback.
15548 * integrate.c (expand_inline_function): Revert 19 Jan change.
15550 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15552 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15553 (Misc): Say the scheduler, not the Haifa scheduler.
15555 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15557 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15558 when in_mem is set. Update all callers.
15560 2000-02-04 Richard Henderson <rth@cygnus.com>
15562 * i386/openbsd.h (INT_ASM_OP): Define.
15564 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15566 * tm.texi: Fix various typos.
15568 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15570 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15571 (MD_STARTFILE_PREFIX_1): New macro.
15573 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15575 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15576 destination when needed.
15577 (strmovsi, strsetsi): New expander.
15578 (strmovsi_1, strsetsi_1): New pattern.
15579 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15580 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15581 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15582 * invoke.texi (align-stringops, inline-all-stringops): Document.
15584 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15586 * i386/netbsd.h (INT_ASM_OP): Define.
15588 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15590 * cpplib.h (cpp_reader): Add new flag, no_directives.
15591 * cpphash.c (macarg): Set it.
15592 * cpplib.c (handle_directive): If no_directives is on and we
15593 find a directive, issue an error and discard the line.
15595 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15597 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15598 FP constants. Add ! TARGET_FPU check for FP constants.
15600 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15602 * flow.c (find_basic_blocks): Don't kill label_value_list
15604 (cleanup_cfg): Kill it here.
15606 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15608 * expr.c (store_field): Ensure ALIGN is no stricter than the
15611 2000-02-02 Richard Henderson <rth@cygnus.com>
15613 * jump.c (delete_insn): Partially revert 19 Jan change;
15614 don't convert unused code labels to notes at -O0.
15616 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15618 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15619 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15621 2000-02-01 Richard Henderson <rth@cygnus.com>
15623 * i386.c (general_no_elim_operand): New.
15624 (nonmemory_no_elim_operand): New.
15625 (ix86_expand_move): Copy eliminable operands before a push.
15626 * i386-protos.h: Declare new functions.
15627 * i386.h (CAN_ELIMINATE): Simplify.
15628 (PREDICATE_CODES): Update.
15629 * i386.md (push insns): Don't allow eliminable register operands.
15631 2000-02-01 Richard Henderson <rth@cygnus.com>
15633 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15634 replace BLKmode with DECL_RTL's mode.
15636 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15638 * frame.c (find_fde): Convert for loop to do-while so compiler
15639 sees it's always executed at least once.
15640 * libgcc2.c (BBINBUFSIZE): Kill.
15641 (__bb_init_prg): Use fgets.
15642 (__bb_exit_trace_func): Don't paste strings.
15643 * unroll.c (unroll_loop): Initialize unroll_type, not
15644 unroll_number, and tweak logic to match.
15646 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15648 (ix86_flags_dependant): Likewise. Disentangle control flow.
15649 (ix86_sched_reorder): Break guts out to
15650 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15651 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15654 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15655 use string concatenation. Don't save and restore esi.
15657 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15658 (machname.h): Remove script to separate file. Use two-step
15659 sequence so target is not created if script fails.
15660 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15661 identifiers are defined.
15662 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15663 an empty string, machine_name doesn't need to do anything at
15665 (is_cxx_header): Add more cases to regexp.
15666 * fixinc/fixlib.h: Update prototype.
15667 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15669 * fixinc/fixincl.c: Define NO_BOGOSITY.
15671 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15672 (hp_sysfile): Add missing comma.
15673 (math_exception): Put the wrapper ifdefs at the beginning and
15674 the end of the file.
15675 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15677 2000-02-01 Richard Henderson <rth@cygnus.com>
15679 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15680 Use CONST0_RTX. Update all callers.
15681 * sparc.h, sparc-protos.h: Update accordingly.
15682 * sparc.md (fp mov insns): Use fp_zero_operand directly
15685 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15687 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15690 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15692 * Makefile.in (specs.ready): New target.
15693 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15695 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15697 * fixinc.irix: Use unique filenames for writing into /tmp,
15698 * fixinc.ptx: Likewise.
15699 * fixinc.sco: Likewise.
15700 * fixinc.svr4: Likewise.
15701 * fixinc.winnt: Likewise.
15703 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15705 * tsystem.h: New file.
15707 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15708 s-crtS): Depend on tsystem.h.
15710 * crtstuff.c: Include tsystem.h.
15711 * frame.c: Likewise.
15712 * libgcc2.c: Likewise.
15714 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15716 * builtins.c (expand_builtin_memset): Expand for variable sized
15719 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15721 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15724 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15726 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15728 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15730 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15732 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15733 case 3->2 combining (combining with splitting) in which 2 is CC0
15734 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15735 checked at the begining of the function with the aid of calling
15736 function 'can_combine_p'.
15738 2000-01-31 Dave Brolley <brolley@redhat.com>
15740 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15742 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15744 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15747 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15749 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15751 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15754 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15756 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15757 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15758 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15759 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15760 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15761 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15762 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15763 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15764 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15765 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15767 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15768 Add %(cpp_cpu) to CPP_SPEC.
15770 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15771 Add %(cc1_cpu) to CC1_SPEC.
15773 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15775 * c-decl.c (c_decode_option): Accept optional numeric argument to
15776 -Wformat and set warn_format.
15777 * c-common.c: Don't emit warning about non-constant printf format
15778 string unless warn_format > 1.
15780 2000-01-30 Richard Henderson <rth@cygnus.com>
15782 * alpha.md (return_internal): Allow after reload only.
15784 2000-01-30 Richard Henderson <rth@cygnus.com>
15786 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15787 local frame size is zero.
15789 2000-01-30 Richard Henderson <rth@cygnus.com>
15791 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15792 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15793 * alpha.md (return): Turn into an expander.
15794 (return_internal): Don't use $26.
15795 (epilogue): Emit the return insn.
15797 2000-01-30 Richard Henderson <rth@cygnus.com>
15799 * alpha.md (negtf2, abstf2): Fix word order thinko.
15800 (extendsftf2): New.
15801 (trunctfsf2): Avoid intermediate rounding errors.
15803 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15805 * cppfiles.c (find_position): Drop 'colp' argument, return the
15807 (read_and_prescan): Adjust to match. Don't ever manipulate
15808 line or line_base except via find_position.
15810 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15812 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15813 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15816 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15818 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15819 just print "<command line>". If 'filename' is null or an
15820 empty string, print "<stdin>" for the filename.
15821 * cpplib.c (do_define): Don't print the 'location of the
15822 previous definition' message if we're still parsing the
15824 (cpp_pedwarn_with_file_and_line): Always call
15825 cpp_file_line_for_message.
15827 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15829 * flow.c (mark_regs_live_at_end): Fix typo.
15831 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15833 * c-common.c: Adjust variable names, comments, help strings to c99.
15834 * c-lex.c: Likewise.
15835 * c-parse.y: Likewise.
15836 * c-tree.h: Likewise.
15837 * cccp.c: Likewise.
15838 * cpplib.h: Likewise.
15839 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15840 * cppinit.c: Likewise.
15842 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15844 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15845 * c4x.c: Define the optab rtx values.
15846 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15847 (c4x_emit_libcall): Use new optab rtx values.
15848 (c4x_emit_libcall3): Likewise.
15849 (c4x_emit_libcall_mulhi): Likewise.
15850 * c4x-protos.h: Add prototypes for optab rtx values and change
15851 prototypes for above c4x_emit_libcall functions.
15853 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15855 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15857 (c4x_function_prologue): Use regnames intead of float_reg_names when
15859 (c4x_function_epilogue): Likewise.
15860 (c4x_print_operand): Likewise.
15861 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
15862 * c4x.md (set_high): Disable for TARGET_TI.
15864 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15866 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
15867 of framepointer + constant to ADDR_REGS class.
15868 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
15869 * c4x.c (std_or_reg_operand): New function.
15870 * c4x-protos.h (std_or_reg_operand): Prototype it.
15872 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15874 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
15875 object names as libgcc2.c.
15876 * libgcc.S: Use newly defined names.
15878 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
15879 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
15881 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
15882 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
15883 (FLOW_LOOP_LAST_BLOCK): Likewise.
15885 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15887 * basic-block.h (struct loop): New fields 'first' and 'last'.
15888 * flow.c (flow_loops_find): Compute loop->first and loop->last.
15889 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
15890 and loop->last to check for NOTE_INSN_LOOP_END.
15892 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
15894 * predict.c (estimate_probability): Use the new FIRST and LAST fields
15895 of the loop descriptor rather than HEADER and LATCH. Also added
15896 missing break statements as well making some coding style modifications
15897 as suggested by Michael Hayes.
15899 2000-01-28 Richard Henderson <rth@cygnus.com>
15901 * flow.c (find_basic_blocks): Remove do_cleanup argument.
15902 Break out that code ...
15903 (cleanup_cfg): ... here.
15904 (commit_one_edge_insertion): Detect a return instruction being
15905 emitted to an edge. Emit a barrier following; clear fallthru.
15906 (commit_edge_insertions): Verify CFG consistency.
15907 * function.c (expand_function_start): Kill unused variable.
15908 (expand_function_end): Likewise.
15909 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
15910 to insert the epilogue.
15912 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
15913 (delete_null_pointer_checks): Likewise.
15914 * output.h: Likewise.
15915 * reg-stack.c (reg_to_stack): Likewise.
15916 * toplev.c (rest_of_compilation): Likewise. Run
15917 thread_prologue_and_epilogue_insns after rebuilding the CFG.
15919 2000-01-28 Richard Henderson <rth@cygnus.com>
15921 * Makefile.in (flow.o): Revert 24 Jan change.
15922 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
15923 FUNCTION_VALUE result to DECL_RESULT's mode.
15925 * haifa-sched.c (schedule_insns): Don't recompute reg info
15928 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
15930 * configure.in: Make --enable-cpplib the default.
15931 * configure: Regenerate.
15932 * gcc.dg/990119-1.c: No longer expected to fail.
15934 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
15936 * jump.c (jump_optimize_1): Delete an optimization that is also done
15937 by merge_blocks in flow.
15939 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15941 * diagnostic.c (build_message_string, output_printf,
15942 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
15943 (build_location_prefix): Fix non-literal format string.
15945 2000-01-27 Richard Henderson <rth@cygnus.com>
15947 * alpha.md (trunctfsf2): New.
15949 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
15951 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
15953 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
15955 * cppinit.c (cpp_handle_option): Recognize C++ comments under
15957 * cpplib.c (skip_block_comment, skip_line_comment): Split code
15959 (skip_comment) ... here. Permit C++ comments in system
15960 headers always. Warn about C++ comments in user code under
15961 -std=gnu89 -pedantic.
15962 (copy_comment): Use skip_comment.
15963 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
15965 (consider_directive_while_skipping, do_else, do_endif): Call
15966 validate_else unconditionally.
15967 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
15968 text after the conditional in a system header.
15969 * cpplib.h (struct cpp_buffer): Add flag
15970 warned_cplusplus_comments.
15972 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15974 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
15975 Use unshare_all_rtl_1.
15976 (unshare_all_rtl_again): New function.
15977 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
15979 * function.c (purge_addressof_1): Use unshare_all_rtl_again
15980 rather than resetting the 'used' flags ourself.
15982 * toplev.c (rest_of_compilation): Add current_function_decl
15983 to the unshare_all_rtl call.
15984 * tree.h: Prototype unshare_all_rtl.
15985 * rtl.h: Prototype unshare_all_rtl_again here.
15987 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
15989 * genoutput.c (output_prologue): Include ggc.h in generated
15991 * Makefile.in (insn-output.o): Depends on ggc.h.
15993 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
15994 Hans-Peter Nilsson <hp@bitrange.com>
15996 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
15997 Remove redundant include of xm-ns32k.h.
15998 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
15999 Remove redundant include of xm-ns32k.h.
16000 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16001 Remove redundant include of xm-ns32k.h.
16002 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16004 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16005 (TARGET_SWITCHES): Add documentation strings.
16006 (DWARF_FRAME_REGNUM): Override default definition.
16007 (REG_CLASS_CONTENTS): Add comments.
16008 (SUBSET_P): Format to reduce line length.
16009 (SMALL_REGISTER_CLASSES): Make a run time option.
16010 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16011 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16012 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16013 (regclass_map): fix typo in comment.
16014 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16015 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16016 (trace, reg_or_mem_operand): Delete, unused function.
16017 (calc_address_cost): Small offsets are cheaper than large ones.
16018 (expand_block_move): Generate more efficient code when bytes is a
16019 known at compile time.
16020 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16021 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16022 instead of reg_or_mem_operand.
16024 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16025 not general_operand. Similarly use "=rm" or stricter, not "=g".
16026 For input operands, use stricter constraints than "g" if not
16027 general_operand. Similarly use stricter predicate than
16028 "general_operand" when stricter constraints than "g" are present,
16029 except for matching constraints.
16030 (movstrsi): Use "memory_operand" for operands 0 and 1.
16031 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16032 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16033 not reg_or_mem_operand.
16034 (udivmoddisi4): Ditto.
16035 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16036 Use nonimmediate_operand for operand 3, not register_operand.
16037 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16038 reg_or_mem_operand.
16040 2000-01-27 Fred Fish <fnf@be.com>
16042 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16043 * gthr-single.h: Likewise.
16044 * gthr-solaris.h: Likewise.
16045 * gthr-vxworks.h: Likewise.
16046 * gthr-win32.h: Likewise.
16047 * gthr.h: Likewise.
16049 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16051 * cppinit.c: Add " (cpplib)" to end of string printed by
16054 2000-01-27 Richard Henderson <rth@cygnus.com>
16056 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16057 testing for a signed comparison.
16058 (alpha_emit_floatuns): New.
16059 * alpha-protos.h: Declare it.
16060 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16061 (extendsfdf2): Tidy.
16063 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16065 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16066 no -g option specifying debugging format, default to -gstabs+.
16068 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16070 * calls.c (special_function_p): New argument fork_or_exec.
16071 (expand_call): When profile_arc_flag is set and the function
16072 is in the fork_or_exec group, call __bb_fork_func first.
16073 * libgcc2.c, _bb module (__bb_fork_func): New function.
16074 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16076 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16077 * tree.h (special_function_p): Update prototype.
16079 2000-01-26 Richard Henderson <rth@cygnus.com>
16081 * alpha.c (alpha_split_tfmode_pair): New.
16082 * alpha-protos.h: Declare it.
16083 * alpha.md (abstf2, negtf2): New.
16084 (movtf insn): Add input G constraint.
16085 (movtf splitter): Use alpha_split_tfmode_pair.
16087 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16089 * i386/cygwin.h: PROTO -> PARAMS.
16091 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16093 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16094 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16095 using _Qp_cmp/_Q_cmp and testing the return value.
16096 (print_operand): Call reverse_condition_maybe_unordered if
16097 we are handling CCFPmode or CCFPEmode.
16098 Handle ORDERED, UN* and LTGT comparisons.
16099 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16100 if not TARGET_HARD_QUAD.
16101 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16102 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16103 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16104 Adjust gen_b* calls so that they reflect return comparison of
16105 sparc_emit_float_lib_cmp.
16107 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16109 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16110 incoming operands array is large enough for one more operand.
16111 (alpha_emit_xfloating_arith): Likewise.
16113 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16115 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16116 file with one line and no trailing newline.
16117 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16118 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16119 checking if the match is on the line.
16120 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16122 2000-01-25 Richard Henderson <rth@cygnus.com>
16124 * sparc.c (output_cbranch): Fix accidental squashing of the
16125 fp branch pre-delay nop.
16127 2000-01-25 Richard Henderson <rth@cygnus.com>
16129 * tree.def (UNNE_EXPR): Remove.
16130 * c-typeck.c (build_binary_op): Don't handle it.
16131 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16133 * rtl.def (UNNE): Remove.
16135 * jump.c (reverse_condition): Update accordingly.
16136 (swap_condition): Likewise.
16137 (comparison_dominates_p): Handle unordered comparisons.
16138 (reverse_condition_maybe_unordered): New.
16139 * rtl.h (reverse_condition_maybe_unordered): Declare.
16141 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16142 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16143 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16144 * sparc.md (bltgt): New.
16146 2000-01-25 Nick Clifton <nickc@redhat.com>
16148 * emit-rtl.c (emit_insn): Only check machine class insns for
16149 improper emission of a RETURN.
16151 2000-01-25 Richard Henderson <rth@cygnus.com>
16153 * Makefile.in (flow.o): Depend on $(EXPR_H).
16154 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16155 duplicate the structure of diddle_return_value for keeping regs live.
16157 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16159 * loop.c (current_loop_info): Delete.
16160 (consec_sets_invariant_p): Add loop argument, update callers.
16161 (get_condition_for_loop): Likewise.
16162 (count_nonfixed_reads, update_giv_derive): Likewise.
16163 (simplify_giv_expr, general_induction_var): Likewise.
16164 (consec_sets_giv, recombine_givs): Likewise.
16165 (move_movables): Delete loop_start and loop_end arguments,
16166 add loop argument, and update callers.
16167 (find_mem_givs, check_final_value): Likewise.
16168 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16169 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16171 (basic_induction_var): Add loop argument, delete loop_level argument,
16172 and update callers.
16173 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16174 add loop argument, and update callers.
16175 (find_splittable_regs, find_splittable_givs): Likewise.
16176 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16177 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16178 (biv_total_increment): Delete loop_start and loop_end arguments;
16180 (precondition_loop_p): Delete loop_start and loop_info arguments;
16182 * loop.h (get_condition_for_loop): Add loop argument.
16183 (biv_total_increment): Delete loop_start and loop_end arguments.
16184 (precondition_loop_p): Delete loop_start and loop_info arguments;
16186 (final_biv_value): Delete loop_start and loop_end arguments;
16188 (final_giv_value, back_branch_in_range_p): Likewise.
16190 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16192 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16194 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16196 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16197 point to the new "generated_files" doc.
16199 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16201 * config/fp-bit.c (_unord_f2): Fix typo.
16203 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16205 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16206 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16207 functions obsoleted by GC, such as push_obstacks_nochange,
16208 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16209 and code which existed only to decide whether or not to call
16210 them. Remove now-unused NESTED argument from start_function;
16211 all callers changed. Do not change behavior based on ggc_p.
16212 The use of the ixp_obstack in c-iterate.c and the util_obstack
16213 in objc/objc-act.c remain; these are not obsoleted by garbage
16215 * c-tree.h: Update prototype for start_function.
16217 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16219 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16221 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16224 2000-01-25 Richard Henderson <rth@cygnus.com>
16226 * sparc-protos.h (select_cc_mode): Declare.
16227 * sparc.c (select_cc_mode): New. Handle unordered compares.
16228 (output_cbranch): Always reverse via code change. Handle
16229 unordered compares. Factor tests and string updates.
16230 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16231 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16232 * sparc.md (bunordered, bordered): New.
16233 (bungt, bunlt, buneq, bunge, bunle): New.
16235 2000-01-25 Richard Henderson <rth@cygnus.com>
16237 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16238 * ggc-common.c (ggc_add_rtx_varray_root): New.
16239 (ggc_mark_rtx_varray): New.
16240 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16241 functions down below ggc_mark_foo.
16242 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16244 2000-01-25 Richard Henderson <rth@cygnus.com>
16246 * alpha.c (secondary_reload_class): Don't allocate a secondary
16247 for integral mode memories into FLOAT_REGS. Rearrange the more
16248 complicated memory expression inward.
16250 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16252 * inclhack.def: Fixes to play nicer with FreeBSD, and
16253 corrections to comments.
16254 (cxx_unready): Add select expression.
16255 (irix_sockaddr): Add bypass expression.
16256 (machine_ansi_h_va_list): New fix.
16257 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16258 Split out addition of "#include <stdarg.h>" to...
16259 (stdio_stdarg_h): ... here.
16260 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16261 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16262 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16264 (ultrix_ifdef): Tighten up select expression.
16266 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16267 re_ct and max_mach to avoid use of shell. Make printed names
16268 match names in inclhack.def. Use static copyright date.
16269 Don't count c_test and test expressions as requiring regex_t
16270 slots. Add some commentary.
16271 * inclhack.tpl: Do not include the 'This script contains N
16272 fixup scripts' line if PROGRAM is defined. Use static
16275 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16277 * dwarf2out.c: include "varray.h", not dyn-string.h.
16278 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16279 (addr_const_to_string, addr_to_string): Lose.
16280 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16281 (struct dw_val_struct): val_addr is now an rtx.
16282 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16283 (used_rtx_varray): New varray.
16284 (dwarf2out_init): Initialize it.
16285 (save_rtx): New fn.
16286 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16288 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16289 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16290 * Makefile.in (dwarf2out.o): Update dependencies.
16292 2000-01-24 Richard Henderson <rth@cygnus.com>
16294 * i386.c (i386_dwarf_output_addr_const): New.
16295 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16297 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16299 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16300 * i386.c (i386_simplify_dwarf_addr): New.
16301 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16303 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16305 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16306 TYPE_STUB_DECL is NULL.
16308 2000-01-24 Richard Henderson <rth@cygnus.com>
16310 * builtins.c (expand_tree_builtin): Move ...
16311 * c-common.c (expand_tree_builtin): ... here.
16313 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16315 * loop.h (LOOP_INFO): New accessor macro.
16316 * basic-block.h (struct loop): Rename field `info' to `aux'.
16317 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16318 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16319 * unroll.c (loop_iterations, unroll_loop): Likewise.
16321 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16323 * config/i386/t-cygwin: Accomodate new winsup directory layout
16324 when searching for include files.
16326 2000-01-24 Richard Henderson <rth@cygnus.com>
16328 * rtl.def: Add unordered fp comparisions.
16329 * tree.def: Likewise.
16330 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16332 * builtins.c (expand_tree_builtin): New function.
16333 * c-typeck.c (build_function_call): Use it.
16334 (build_binary_op): Support unordered compares.
16335 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16337 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16338 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16339 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16340 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16341 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16343 (swap_condition): Handle unordered compares.
16344 (thread_jumps): Check can_reverse before reversing.
16345 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16348 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16349 setcc is present before acking for cmp_optab. Update all callers.
16350 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16351 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16352 * expr.c (expand_expr): Likewise. Support unordered compares.
16353 (do_jump, do_store_flag): Likewise.
16354 * expr.h (enum libfunc_index): Add unordered compares.
16356 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16357 (DPBIT_FUNCS): Add _unord_df.
16358 * config/fp-bit.c (_unord_f2): New.
16359 * fp-test.c (main): Try unordered compare builtins.
16361 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16362 * alpha.c (alpha_comparison_operator): Check mode properly.
16363 (alpha_swapped_comparison_operator): Likewise.
16364 (signed_comparison_operator): Likewise.
16365 (alpha_fp_comparison_operator): New.
16366 (alpha_emit_conditional_branch): Handle unordered compares.
16367 * alpha.h (PREDICATE_CODES): Update.
16368 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16369 (bunordered, bordered): New.
16371 2000-01-24 Richard Henderson <rth@cygnus.com>
16373 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16374 * alpha.md (movtf): New expander, insn, and splitter.
16376 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16378 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16381 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16383 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16384 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16385 REG_ALLOC_ORDER): Add frame pointer
16386 (FRAME_POINTER_REGNUM): Set to 20
16387 (HARD_FRAME_POINTER_REGNUM): New macro.
16388 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16389 to HARD_FRAME_POINTER.
16390 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16391 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16392 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16393 (HI_REGISTER_NAMES): Add "frame".
16394 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16395 (debug_reg): Handle FRAME_POINTER_REGNUM.
16396 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16397 GENERAL_REGS and INDEX_REGS.
16398 * i386.c (SAVED_REGS_FIRST): new macro.
16399 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16400 (ix86_decompose_address, memory_address_length): Likewise.
16401 (regclass_map): Add frame pointer.
16402 (call_insn_operand): Handle frame_pointer_rtx.
16403 (reg_no_sp_operand): Likewise.
16404 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16405 (print_operand, legitimize_pic_address): Fix formating.
16406 (ix86_compute_frame_size): Make static, update prototype, new
16407 parameters padding1, padding2, use ix86_nsaved_regs, use
16408 stack_alignment_needed.
16409 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16410 to HARD_FRAME_POINTER_REGNUM conversions.
16411 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16412 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16413 (print_reg): Abort on FRAME_POINTER_REGNUM
16415 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16417 * i386.h (PREDICATE_CODES): Add aligned_operand.
16418 * i386.c (aligned_operand): New function.
16419 (ix86_aligned_p): Kill.
16420 * i386.md (movhi_1): Emit mov for aligned operands.
16421 (promoting peep2s): Use aligned_operand.
16423 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16425 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16426 expression to allow underscores in macro names.
16427 (fix_char_macro_defines): Increment scanning pointer.
16429 2000-01-23 Richard Henderson <rth@cygnus.com>
16431 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16432 * alpha/osf5.h: New file.
16433 * configure.in (alpha-*-osf5): Add it to tm_file.
16435 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16437 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16438 (alpha_emit_xfloating_cvt, function_arg): Declare.
16439 * alpha.c (alpha_emit_conditional_branch): Call
16440 alpha_emit_xfloating_compare for TFmode compares.
16441 (alpha_lookup_xfloating_lib_func): New.
16442 (alpha_compute_xfloating_mode_arg): New.
16443 (alpha_emit_xfloating_libcall): New.
16444 (alpha_emit_xfloating_arith): New.
16445 (alpha_emit_xfloating_compare): New.
16446 (alpha_emit_xfloating_cvt): New.
16447 (print_operand): Add default abort case.
16448 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16449 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16450 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16451 (RETURN_IN_MEMORY): True for TF/TCmode.
16452 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16453 (FUNCTION_ARG): Move to function_arg.
16454 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16455 (ASM_OUTPUT_LONG_DOUBLE): New.
16456 (ASM_OUTPUT_DOUBLE): Always output bits.
16457 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16458 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16459 (extenddftf2, trunctfdf2): New.
16461 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16463 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16464 * config/sparc/sol2.h: ... here.
16466 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16468 * basic-block.h (struct loops): New field `levels'.
16469 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16470 (flow_loop_level_compute): Initialise level to 1.
16471 (flow_loops_find): Set loops->levels.
16472 (flow_loops_dump): Print loops->levels.
16474 2000-01-23 Richard Henderson <rth@cygnus.com>
16476 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16477 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16479 2000-01-23 Richard Henderson <rth@cygnus.com>
16481 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16482 * i386.h (DBX_REGISTER_NUMBER): Use them.
16483 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16484 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16485 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16486 * i386/sequent.h: Kill incorrect comment.
16488 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16490 * ggc-page.c (struct page_entry): Make `context_depth' an
16492 (struct globals): Likewise.
16494 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16496 * loop.c (check_dbra_loop): When checking a loop for
16497 reversability, check the source of any stores to ensure
16498 they don't depend on an initial value.
16500 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16502 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16504 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16506 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16507 'pz_scan' into scope of entire function. Only affects
16508 compiles with -DDEBUG.
16510 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16512 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16513 section naming to that prior to 2000-01-07 patch.
16514 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16515 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16516 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16517 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16518 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16520 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16522 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16525 2000-01-21 Jim Wilson <wilson@cygnus.com>
16527 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16528 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16530 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16532 * cpphash.c (change_newlines): Delete function.
16533 (struct argdata): Delete 'newlines' and 'use_count' fields.
16534 (macroexpand): Remove code referencing those fields.
16536 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16538 * loop.c (loops_info): New variable.
16539 (loop_optimize): Allocate loops->array and free it on exit.
16540 Allocate memory for loops_info and assign to each loop,
16542 (find_and_verify_loops): Do not allocate loops->array.
16544 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16546 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16548 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16550 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16551 pseudos if expanded after first flow.
16552 (movdi_pic_label_ref): Likewise.
16554 2000-01-20 Richard Henderson <rth@cygnus.com>
16556 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16558 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16560 * Makefile.in (fixinc.sh): Depend on specs.
16561 * fixinc/Makefile.in: Add rule to create machname.h.
16562 (fixlib.o): Depend on machname.h.
16563 * fixinc/fixtests.c (machine_name): New test.
16564 * fixinc/fixfixes.c (machine_name): New fix.
16565 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16566 the machine_name test and fix.
16567 * fixinc/fixlib.h: Prototype it.
16568 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16569 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16571 * gcc.c (do_spec_1) [case P]: Take care not to create
16572 identifiers with three leading or trailing underscores.
16574 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16575 (fixincl): Don't specify libraries twice on link line.
16576 (gnu-regex.o): Remove special rule.
16577 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16578 defined by config.h. Do not define _REGEX_RE_COMP.
16579 (regcomp): Allocate and initialize a fastmap.
16580 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16582 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16584 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16586 2000-01-19 Richard Henderson <rth@cygnus.com>
16588 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16589 arguments with BB. Update all callers. Tidy line wrapping.
16591 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16593 * emit-rtl.c (try_split): Return last_insn if we split the
16596 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16598 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16599 (ix86_initial_elimination_offset): Declare.
16600 * i386.c (ix86_nsaved_regs): Break out from ...
16601 (ix86_can_use_return_insn_p): ... here.
16602 (ix86_emit_save_regs): Break out from ...
16603 (ix86_expand_prologue): ... here.
16604 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16606 (ix86_expand_epilogue): ... here.
16607 (ix86_compute_frame_size): Make static, add prototype.
16608 (ix86_initial_elimination_offset): Break out from ...
16609 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16611 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16613 * recog.h (OUT_FCN): Delete.
16615 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16617 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16619 * cppalloc.c: PROTO -> PARAMS.
16620 * cpperror.c: Likewise.
16621 * cppfiles.c: Likewise.
16622 * cpplib.c: Likewise.
16623 * cpplib.h: Likewise.
16625 * config/arm/arm-protos.h: PROTO -> PARAMS.
16626 * config/arm/arm.c: Likewise.
16627 * config/c4x/c4x.c: Likewise.
16628 * config/fr30/fr30-protos.h: Likewise.
16629 * config/nextstep.c: Likewise.
16630 * config/pa/pa.c: Likewise.
16631 * config/pj/pj.c: Likewise.
16632 * config/rs6000/rs6000.c: Likewise.
16633 * config/v850/v850-protos.h: Likewise.
16634 * config/v850/v850.c: Likewise.
16636 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16638 * i370-protos.h: New file.
16640 * i370.c: Include tm_p.h. Fix compile time warnings.
16642 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16645 * i370.md: Likewise.
16647 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16649 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16650 (target_isinf, target_isnan, eisnan): Mark parameter with
16652 (eiisinf): Wrap in INFINITY.
16653 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16654 (ibmtoe): Remove unused variable `rndsav'.
16656 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16658 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16659 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16661 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16663 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16664 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16665 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16667 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16668 Recognize Emacs mode markers also.
16669 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16670 C++ comments in C++ headers. Call is_cxx_header only if
16673 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16674 bypass for ncurses.
16675 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16676 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16677 ... these, which use the new C fixes.
16678 (math_exception): Escape literal '+' in bypass expression.
16680 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16683 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16685 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16688 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16690 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16691 prior to calling scan_loop.
16693 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16695 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16696 (split_branches, calc_live_regs): Likewise.
16698 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16700 * sh.md (fpu_single, fp_mode): New attributes.
16702 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16704 * loop.c (current_loop_info): Renamed from loop_info_data
16705 and changed to a pointer.
16706 (loop_optimize): Allocate loop_info structure for each loop
16707 and initialise to zero.
16708 (scan_loop): Set current_loop_info.
16710 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16713 2000-01-19 Richard Henderson <rth@cygnus.com>
16715 * stupid.c: Die die die.
16716 * Makefile.in (OBJS): Remove stupid.o.
16717 (stupid.o): Likewise.
16719 * except.c (emit_eh_context): Don't emit USEs for stupid.
16720 * explow.c (probe_stack_range): Likewise.
16721 * flags.h (obey_regdecls): Remove.
16722 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16723 when not optimizing.
16724 (life_analysis): Limit data collection when not optimizing.
16725 (mark_regs_live_at_end): Always mark the return value registers.
16726 (mark_used_regs): Remove dummy RETURN case.
16727 (print_rtl_with_bb): Don't consult obey_regdecls.
16728 * function.c (use_variable, use_variable_after): Remove.
16729 (assign_parms): Consult optimize not obey_regdecls.
16730 (expand_function_start): Don't emit USEs for stupid.
16731 (expand_function_end): Likewise.
16732 * global.c (build_insn_chain): Export.
16733 * integrate.c (expand_inline_function): Kill return-value USE
16735 * jump.c (jump_optimize_1): Do simple jump optimizations and
16736 dead code elimination.
16737 (calculate_can_reach_end): Remove check_deleted argument.
16738 (delete_insn): Patch out insns even when not optimizing.
16739 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16740 * rtl.h (use_variable, use_variable_after): Remove declarations.
16741 (build_insn_chain): Declare.
16742 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16743 (expand_end_bindings): Likewise.
16744 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16745 * toplev.c (obey_regdecls): Remove.
16746 (rest_of_compilation): Don't set it. Kill stupid in favour of
16747 flow1, local-alloc, and reload.
16748 (main): Don't set obey_regdecls.
16750 * config/nextstep.c (handle_pragma): Likewise.
16752 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16754 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16756 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16758 * alpha-protos.h: PROTO -> PARAMS.
16759 * alpha.c: Likewise.
16761 * h8300.c: Likewise.
16762 * i386-protos.h: Likewise.
16763 * i386.c: Likewise.
16764 * m32r-protos.h: Likewise.
16765 * m32r.c: Likewise.
16766 * mips.c: Likewise.
16767 * mips.md: Likewise.
16768 * gmon-sol2.c: Likewise.
16769 * sparc.c: Likewise.
16771 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16773 * ns32k-protos.h: New file.
16775 * ns32k.c: Fix compile time warnings.
16777 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16780 * ns32k.md: Likewise.
16782 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16784 * vax-protos.h: New file.
16786 * vax.c: Fix compile time warnings.
16788 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16791 * vax.md: Likewise.
16793 * vaxv.md: Likewise.
16795 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16797 * romp-protos.h: New file.
16799 * romp.c: Fix compile time warnings.
16801 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16804 * romp.md: Likewise.
16806 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16808 * we32k-protos.h: New file.
16810 * we32k.c: Fix compile time warnings.
16812 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16815 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16817 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16819 * except.c (eh_regs): Likewise.
16821 * final.c (output_operand): Likewise.
16823 * fold-const.c (target_isinf, target_isnan): Likewise.
16825 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16827 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16828 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16830 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16831 when optimize_size.
16832 (clrstrsi): Rewrite.
16833 (strsethi, strsetqi): New expanders.
16834 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16835 (cmpstrsi): Emit compare insn before cmpstrsi_1
16836 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16837 (strlensi_1): Likewise.
16838 (cmpstrsi_1): Likewise; do not output compare.
16839 (strlen expander): Do not unroll when optimizing for size.
16840 (*subsi3_carry): Rename to subsi3_carry
16841 (addqi3_cc): New pattern.
16842 * i386.h (processor_costs): Add move_ratio field.
16843 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16844 * i386.c (*_cost): Set move_ratio.
16845 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16846 (x86_expand_strlensi_1): Rewrite the main loop.
16848 2000-01-17 Richard Henderson <rth@cygnus.com>
16850 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16851 * cse.c (find_comparison_args, fold_rtx): Likewise.
16852 * integrate.c (subst_constants): Likewise.
16853 * loop.c (get_condition): Likewise.
16855 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16857 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16859 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16861 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
16862 (RESTORE_WARN_FLAGS): Unpack it.
16863 Change semantic type of extension to ttype.
16864 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
16865 * c-parse.y, c-parse.c, objc/objc-parse.y,
16866 objc/objc-parse.c: Regenerate.
16868 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
16870 * fixinc/fixlib.c: Add copyright notice.
16871 (compile_re): New function.
16872 * fixinc/fixlib.h: Prototype compile_re.
16874 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
16875 Use compile_re to compile regular expressions.
16877 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
16878 where the pattern matched.
16880 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
16882 (ultrix_ansi_compat): Likewise.
16883 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
16885 (interactv_add2, interactv_add3): Delete.
16886 (x11_sprintf): Don't use filename glob.
16887 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
16890 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16892 * print-rtl.c: PROTO -> PARAMS.
16893 * real.c: Likewise.
16894 * reg-stack.c: Likewise.
16895 * resource.c: Likewise.
16896 * sdbout.h: Likewise.
16897 * simplify-rtx.c: Likewise.
16898 * stor-layout.c: Likewise.
16899 * stupid.c: Likewise.
16900 * xcoffout.c: Likewise.
16901 * xcoffout.h: Likewise.
16903 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16905 * toplev.c: PROTO -> PARAMS.
16906 * toplev.h: Likewise.
16907 * tree.c: Likewise.
16908 * tree.h: Likewise.
16909 * unroll.c: Likewise.
16910 * varasm.c: Likewise.
16911 * varray.c: Likewise.
16912 * varray.h: Likewise.
16914 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16916 * reload.c: PROTO -> PARAMS.
16917 * reload.h: Likewise.
16918 * reload1.c: Likewise.
16919 * reorg.c: Likewise.
16920 * resource.h: Likewise.
16923 * rtlanal.c: Likewise.
16924 * sbitmap.h: Likewise.
16925 * sdbout.c: Likewise.
16926 * stack.h: Likewise.
16927 * stmt.c: Likewise.
16928 * system.h: Likewise.
16930 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16932 * machmode.h: PROTO -> PARAMS.
16933 * mbchar.h: Likewise.
16934 * mips-tdump.c: Likewise.
16935 * mips-tfile.c: Likewise.
16936 * optabs.c: Likewise.
16937 * output.h: Likewise.
16938 * prefix.c: Likewise.
16939 * profile.c: Likewise.
16940 * protoize.c: Likewise.
16941 * real.h: Likewise.
16942 * recog.c: Likewise.
16943 * recog.h: Likewise.
16944 * regclass.c: Likewise.
16945 * regmove.c: Likewise.
16946 * regs.h: Likewise.
16948 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16950 * ggc-common.c: PROTO -> PARAMS.
16951 * ggc-page.c: Likewise.
16952 * ggc-simple.c: Likewise.
16954 * global.c: Likewise.
16955 * graph.c: Likewise.
16956 * gthr-win32.h: Likewise.
16957 * haifa-sched.c: Likewise.
16958 * halfpic.h: Likewise.
16959 * integrate.c: Likewise.
16960 * integrate.h: Likewise.
16961 * jump.c: Likewise.
16963 * local-alloc.c: Likewise.
16964 * loop.c: Likewise.
16965 * loop.h: Likewise.
16967 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16969 * genattr.c: PROTO -> PARAMS.
16970 * genattrtab.c: Likewise.
16971 * gencheck.c: Likewise.
16972 * gencodes.c: Likewise.
16973 * genconfig.c: Likewise.
16974 * genemit.c: Likewise.
16975 * genextract.c: Likewise.
16976 * genflags.c: Likewise.
16977 * gengenrtl.c: Likewise.
16978 * genopinit.c: Likewise.
16979 * genoutput.c: Likewise.
16980 * genpeep.c: Likewise.
16981 * genrecog.c: Likewise.
16983 2000-01-16 Mark Mitchell <mark@codesourcery.com>
16985 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
16987 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16989 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
16990 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
16991 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
16992 * configure, config.in: Rebuilt.
16994 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
16996 * config/i386/i386.md: Add peephole to merge successive stack
16999 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17001 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17002 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17003 when walking backwards to find all the parameter loads when
17004 the basic block ends in a call.
17006 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17008 * loop.c (this_loop_info): Delete.
17009 (uid_loop): Add in place of uid_loop_num. All uses updated.
17010 (loop_number_exit_count): Delete and replace with entry in loop
17011 structure. All uses updated.
17012 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17013 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17014 (loop_outer_loop): Likewise.
17015 (loop_invalid, loop_number_exit_labels): Likewise.
17016 (loop_used_count_register): Delete and replace with entry in
17017 loop_info structure.
17018 (find_and_verify_loops): Add loops argument.
17019 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17020 loop_end, etc. arguments with loop structure pointer. All callers
17022 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17023 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17024 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17025 (insert_bct): Likewise.
17026 (basic_induction_var): New argument level.
17027 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17028 vtop, and cont. Add used_count_register.
17029 (uid_loop): Delete declaration.
17030 (loop_number_exit_count): Likewise.
17031 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17032 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17033 (loop_outer_loop, loop_used_count_register): Likewise.
17034 (loop_invalid, loop_number_exit_labels): Likewise.
17035 (unroll_loop): Replace loop_start and loop_end arguments
17036 with loop structure pointer.
17037 (loop_precondition_p, loop_iterations): Likewise.
17038 Include basic-block.h.
17039 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17040 with loop structure pointer.
17041 (loop_precondition_p, loop_iterations): Likewise.
17042 * basic-block.h (struct loop): New entries vtop, cont,
17043 cont_dominator, start, end, top, scan_start, exit_labels,
17045 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17047 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17049 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17051 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17053 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17055 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17057 * pdp11-protos.h: New file.
17059 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17062 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17065 * pdp11.md: Likewise.
17067 * 2bsd.h: Likewise.
17069 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17071 * mn10300-protos.h: New file.
17073 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17076 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17079 * mn10300.md: Likewise.
17081 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17083 * mn10200-protos.h: New file.
17085 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17088 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17091 * mn10200.md: Likewise.
17093 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17095 * h8300-protos.h: New file.
17097 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17100 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17103 * h8300.md: Likewise.
17105 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17107 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17108 (asm_emit_uninitialised): Likewise.
17110 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17112 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17113 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17115 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17117 * config/mips/mips.c (override_options): Don't turn on extra
17118 alignment for mips16.
17120 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17122 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17123 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17126 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17128 * builtins.c (PAD_VARARGS_DOWN): Define.
17129 (std_expand_builtin_va_arg): Use the above macro.
17130 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17131 * tm.texi (Register Arguments): Document the above macro.
17133 2000-01-14 Nick Clifton <nickc@cygnus.com>
17135 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17136 that this function has not been used to emit a jump
17139 * jump.c (return_jump_1): Cope with being passed a null rtx.
17141 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17143 * eh-common.h: PROTO -> PARAMS.
17144 * emit-rtl.c: Likewise.
17145 * errors.c: Likewise.
17146 * errors.h: Likewise.
17147 * except.c: Likewise.
17148 * except.h: Likewise.
17149 * explow.c: Likewise.
17150 * expmed.c: Likewise.
17151 * expr.c: Likewise.
17152 * expr.h: Likewise.
17153 * final.c: Likewise.
17154 * fix-header.c: Likewise.
17155 * flow.c: Likewise.
17156 * fold-const.c: Likewise.
17157 * function.c: Likewise.
17158 * function.h: Likewise.
17160 * gcov-io.h: Likewise.
17161 * gcov.c: Likewise.
17162 * gcse.c: Likewise.
17164 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17166 * sh-protos.h: New file.
17168 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17169 Add static prototypes. Fix compile time warnings.
17171 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17175 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17177 * arc-protos.h: New file.
17179 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17182 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17185 * arc.md: Likewise.
17187 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17189 * dsp16xx-protos.h: New file.
17191 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17194 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17197 * dsp16xx.md: Likewise.
17199 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17201 * convex-protos.h: New file.
17203 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17206 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17209 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17211 * elxsi-protos.h: New file.
17213 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17216 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17219 * elxsi.md: Likewise.
17221 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17223 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17224 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17225 match the comment for MIPS16.
17227 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17229 * flow.c (split_edge): Do not call set_block_for_insn if we
17230 do not have a basic_block_for_insn structure.
17232 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17233 and destination functions are 32bit aligned within the trampoline.
17234 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17235 (TRAMPOLINE_ALIGNMENT): Define.
17237 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17238 (set (pc) (label_ref)), verify the change creates a valid insn.
17240 * fr30.c (call_operand): Tighten and rework to match rules for
17241 call RTL expressions.
17242 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17243 * fr30.md (call patterns): Improve constraints.
17245 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17247 * fr30.c (fr30_expand_epilogue): Revert last change.
17248 Use emit_jump_insn for the return insn.
17250 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17251 Stan Cox <scox@cygnus.com>
17253 * predict.c: New file. Preliminary infrastructure work for static
17254 branch prediction and basic block reordering.
17255 * basic-block.h: Add prototype for estimate_probability.
17256 * Makefile.in: Add rules for predict.o.
17258 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17260 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17261 * fixinc/*: Likewise.
17263 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17265 * cccp.c: PROTO -> PARAMS.
17266 * cexp.y: Likewise.
17267 * collect2.c: Likewise.
17268 * combine.c: Likewise.
17269 * convert.h: Likewise.
17271 * dbxout.c: Likewise.
17272 * dbxout.h: Likewise.
17273 * diagnostic.c: Likewise.
17274 * doprint.c: Likewise.
17275 * dwarf2out.c: Likewise.
17276 * dwarf2out.h: Likewise.
17277 * dwarfout.c: Likewise.
17278 * dwarfout.h: Likewise.
17279 * dyn-string.h: Likewise.
17281 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17283 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17284 macro conditionals guarding use.
17286 * dwarf2out.c: Include "tm_p.h".
17288 * function.c (locate_and_pad_parm): Mark parameter with
17290 (expand_function_end): Likewise for variable `context'.
17292 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17294 2000-01-13 Nick Clifton <nickc@cygnus.com>
17296 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17297 register to prevent compile time warnings.
17299 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17301 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17302 to avoid -Wtraditional warning.
17304 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17306 * 1750a-protos.h: New file.
17308 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17311 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17314 * 1750a.md: Likewise.
17316 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17318 * a29k-protos.h: New file.
17320 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17323 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17326 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17328 * clipper-protos.h: New file.
17330 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17333 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17336 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17338 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17340 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17342 * configure.in (--enable-new-gxx-abi): New option.
17343 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17344 * Makefile.in (GXX_ABI_FLAG): New variable.
17345 * configure: Regenerate.
17347 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17349 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17350 * tm.texi (FORCE_STRUCT_BLK): Document.
17351 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17353 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17355 * config/ns32k/ns32k.md: Revert Jan 9 change.
17357 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17358 to a mode-test, if the predicate is address_operand.
17360 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17362 * combine.c (if_then_else_cond): Be careful about what kinds
17363 of RTL expressions are passed to operand_subword.
17365 * flow.c (split_edge): If we have to insert a new jump, make
17366 sure to associate it with a basic block.
17368 * flow.c (commit_one_edge_insertion): A block with one successor
17369 can end in a JUMP_INSN that is not a simplejump.
17371 2000-01-12 Robert Lipe <robertl@sco.com>
17373 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17374 (BUILD_VA_LIST_TYPE): Define.
17375 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17378 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17380 * cccp.c (do_pragma): Add cast to (char *).
17382 2000-01-12 Richard Henderson <rth@cygnus.com>
17383 Fred Fish <fnf@be.com>
17384 Jason Merrill <jason@cygnus.com>
17386 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17387 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17388 * i386/beos-elf.h, i386/beos-pe.h: New files.
17390 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17391 * cross-make (SYSTEM_HEADER_DIR): Define using
17392 CROSS_SYSTEM_HEADER_DIR.
17394 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17395 (process_command): Use it.
17396 (main): Likewise. Kill trailing = from env vars.
17397 (build_search_list): Put it back.
17398 * collect2.c (main): Use LIBRARY_PATH_ENV.
17400 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17401 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17403 * tm.texi (Frame Layout): Document SMALL_STACK.
17404 * c-common.c (c_common_nodes_and_builtins): Check it.
17406 * system.h: Undef alloca after including glibc's <stdlib.h>,
17407 if USE_C_ALLOCA is defined.
17409 * gcc.c (set_input): New fn.
17410 (main): After all input files are compiled, reset the input file
17413 * aclocal.m4 (rindex, index): If already defined, don't attempt
17416 * ginclude/varargs.h: (__va_list__): Define ifndef.
17417 * ginclude/stdarg.h: Likewise.
17419 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17420 instead of unsigned char.
17422 * hash.h (true, false, boolean): Undef before enum.
17424 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17425 proper type of "HOST_WIDE_INT *", rather than their natural type of
17426 "unsigned HOST_WIDE_INT *".
17428 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17430 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17432 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17434 * regclass.c (choose_hard_reg_mode): Likewise.
17436 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17438 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17440 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17442 * c-common.c: PROTO -> PARAMS.
17443 * c-common.h: Likewise.
17444 * c-decl.c: Likewise.
17445 * c-iterate.c: Likewise.
17446 * c-lang.c: Likewise.
17447 * c-lex.c: Likewise.
17448 * c-lex.h: Likewise.
17449 * c-parse.in: Likewise.
17450 * c-pragma.c: Likewise.
17451 * c-pragma.h: Likewise.
17452 * c-tree.h: Likewise.
17453 * c-typeck.c: Likewise.
17454 * objc/objc-act.c: Likewise.
17455 * objc/objc-act.h: Likewise.
17457 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17459 * m88k-protos.h: New file.
17461 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17464 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17466 * m88k.md: Likewise.
17468 * tekXD88.h: Likewise.
17470 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17472 * m68k-protos.h: New file.
17474 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17477 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17479 * mot3300.h: Likewise.
17481 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17483 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17485 (extract_bitlist): Declare bitlen.
17487 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17489 * cccp.c: Accept and ignore -lang-fortran.
17491 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17492 qualifiers don't match at any level of pointerness.
17494 2000-01-12 Robert Lipe <robertl@sco.com>
17496 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17498 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17500 * reload1.c (reload_reg_unavailable): New static variable.
17501 (reload_reg_free_p): Test it.
17502 (reload_reg_free_for_value_p): Test it instead of
17504 (choose_reload_regs_init): Compute it.
17506 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17508 * reorg.c (fill_slots_from_thread): Check modified_in_p
17511 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17513 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17514 these nodes even if INTERNALS is not set.
17516 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17518 * gcse.c (delete_null_pointer_checks_1): Cope when
17519 get_condition cannot determine the condition.
17521 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17523 * toplev.h (set_message_length): Declare.
17525 * diagnostic.c (obstack_chunk_alloc): Define macro.
17526 (obstack_chunk_free): Likewise.
17527 (struct output_buffer): New data structure.
17528 (vmessage): Remove.
17529 (output_maximum_width): New variable.
17530 (doing_line_wrapping, set_message_length, init_output_buffer,
17531 get_output_prefix, output_space_left, emit_output_prefix,
17532 output_newline, output_append, output_puts, dump_output,
17533 vbuild_message_string, build_message_string, build_location_prefix,
17534 voutput_notice, output_printf, line_wrapper_printf,
17535 vline_wrapper_message_with_location): New functions. Implement
17536 automatic line wrapping.
17537 (v_message_with_decl): Make it handle automatic line wrapping.
17538 (v_error_with_file_and_line): Likewise.
17539 (v_warning_with_file_and_line): Likewise.
17540 (announce_function): Likewise.
17541 (default_print_error_function): Likewise.
17543 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17545 * cpplib.h (struct cpp_options): Change lang_asm to char.
17547 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17548 done in cpp_handle_option now.
17549 (initialize_builtins): Take out special case code used only by
17551 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17552 if -traditional. Recognize -lang-fortran and set
17553 lang_fortran, also turn off cplusplus_comments.
17554 (print_help): Document -lang-fortran.
17555 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17556 lang_asm. Ignore all directives other than `# 123 "file"' if
17558 (cpp_get_token): If -traditional, don't recognize directives
17559 unless the # is in column 1.
17560 (parse_string): If lang_fortran or lang_asm, silently
17561 terminate strings ('' or "") at end of line.
17562 Remove unnecessary braces.
17564 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17565 Richard Henderson <rth@cygnus.com>
17567 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17569 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17570 strict_low_part when possible.
17572 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17574 * alias.c: PROTO -> PARAMS.
17575 * basic-block.h: Likewise.
17576 * bitmap.c: Likewise.
17577 * bitmap.h: Likewise.
17578 * builtins.c: Likewise.
17579 * c-aux-info.c: Likewise.
17580 * caller-save.c: Likewise.
17581 * calls.c: Likewise.
17583 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17585 * Makefile.in (toplev.o): Depend on regs.h.
17587 * output.h (tdesc_section): Prototype.
17589 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17591 * sdbout.c: Include "tm_p.h".
17593 * toplev.c: Include "regs.h".
17595 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17597 * unroll.c (unroll_loop): Add EH support.
17599 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17601 * pa-protos.h: New file.
17603 * pa.c: Include recog.h and tm_p.h.
17604 (compute_zdepwi_operands, compute_movstrsi_length,
17605 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17606 find_addr_reg, import_milli): Add static prototypes.
17607 (pa_cpu_string, pa_arch_string): Constify a char*.
17608 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17609 (read_only_operand): Add argument `mode'.
17610 (singlemove_string, output_move_double, output_fp_move_double,
17611 output_block_move, output_and, output_ior, output_ascii,
17612 remove_useless_addtr_insns, milli_names, output_mul_insn,
17613 output_div_insn, output_mod_insn, output_arg_descriptor,
17614 output_cbranch, output_bb, output_bvb, output_dbra, ,
17615 output_millicode_call, output_call, hppa_encode_label,
17616 output_parallel_movb, output_parallel_addb): Constify a char*.
17617 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17618 (output_parallel_addb): Remove extra arg to `constrain_operands'
17620 * pa.h: Move all prototypes to pa-protos.h.
17621 (pa_cpu_string, pa_arch_string): Constify a char*.
17622 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17624 * pa.md: Call `function_label_operand' with mode argument.
17625 Likewise for `read_only_operand'.
17626 Fix nesting of parens in call to `symbolic_operand'.
17628 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17630 * i860-protos.h: New file.
17632 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17635 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17637 * i860.md: Likewise.
17639 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17641 * i386.md (movstrsi expander): Rewrite.
17642 (movstrsi_1 insn): Deleted.
17643 (strmovhi, strmovqi expander): New expanders.
17644 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17645 * i386.c (x86_single_stringop): New global variable.
17646 * i386.h (x86_single_stringop): Declare.
17647 (TARGET_SINGLE_STRINGOP): New macro.
17649 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17651 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17652 integer vararg POSTINCREMENT before the destination of the jump
17653 for the hard fp case.
17654 (function_arg_pass_by_reference): Pass a copy of CUM to
17657 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17658 for CONSTANT_ADDRESS_P above while loop for subreg.
17660 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17662 * flow.c (propagate_block): When a prologue/epilogue insn
17663 is marked dead, unconditionally clear libcall_is_dead and
17664 insn_is_dead, and only dump rtl if warnings aren't being
17667 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17669 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17670 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17671 (FIXED_REGISTERS): Set dirflag as fixed.
17672 (CALL_USED_REGISTERS): Set dirflag as used.
17673 (REG_ALLOC_ORDER): Set dirflag as last one.
17674 (DIRFLAG_REG): New macro.
17675 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17676 (HI_REGISTER_NAMES): Add dirflag.
17677 (DEBUF_PRINT_REG): Handle dirflag.
17678 * i386.md (type attribute): New cld and str types.
17679 (length_opcode attribute): Set cld and str to 1.
17680 (memory attribute): Set str to unknown - it is not clear from the
17682 (pent_np function unit): Prefixed string operations takes 12 cycles
17683 minimally; cld takes 2 cycles.
17684 (ppro_uops attribute): Str is "many" and cld is "few".
17685 (ppro_p0 unit): Handle cld here.
17686 (k6_alux unit): Handle cld and str types.
17687 (k6_load unit): It is ocupied by str opcodes.
17688 (k6_store unit): It is ocupied by str opcodes.
17689 (athlon_decode): Str is vector decoded.
17690 (athlon_ieu): Handle str and cld.
17691 (cld pattern): New.
17692 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17693 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17694 cmpstrsi_nz_1 insn): Do not output cld instruction
17696 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17698 * gcc.texi (G++ and GCC): Add Java and Chill.
17699 (Bug Critera): Don't list languages.
17701 * gcc.texi (Incompatibilities): No longer claim most C compilers
17704 * gcc.texi (G++ and GCC): Update other front-ends list.
17706 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17708 * i386.c (ix86_expand_setcc): Fix typo.
17709 (ix86_expand_movcc): Similarly.
17711 * Band-aid until haifa's bitset implementation is nuked.
17712 * haifa-sched.c (extract_bitlst): New parameter for size of the
17713 bitset in bits. All callers changed. Avoid looking at undefined
17714 bits in the bitset.
17715 (edgeset_bitsize): New variable.
17716 (schedule_region): Initialize edgeset_bitsize.
17718 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17720 * Makefile.in (optabs.o): Depend on real.h
17721 (resource.o): Depend on insn-attr.h
17723 * builtins.c (result_vector): Wrap prototype in macro conditions
17724 governing definition and use.
17726 * c-common.c: Include tm_p.h.
17728 * c-lex.c: Likewise.
17730 * elfos.h: Constify a char*.
17732 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17733 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17734 parameter with ATTRIBUTE_UNUSED.
17736 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17739 * haifa-sched.c (schedule_insns): Mark parameter with
17742 * optabs.c: Include real.h.
17744 * real.h (ereal_atof): Add prototype arguments.
17746 * resource.c: Include insn-attr.h.
17748 * sdbout.c (sdbout_queue_anonymous_type,
17749 sdbout_dequeue_anonymous_types): Wrap in macro
17750 SDB_ALLOW_FORWARD_REFERENCES.
17751 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17754 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17756 * stupid.c: Include tm_p.h.
17758 * tree.c (real_value_from_int_cst): Mark parameter with
17761 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17763 * i960-protos.h: New file.
17765 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17768 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17770 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17772 * combine.c (expand_field_assignment): Do not discard SUBREGs
17773 while computing nonzero_bits.
17775 2000-01-09 Nick Clifton <nickc@cygnus.com>
17777 * config/arm/arm.c: Fix compile time warnings about signed vs
17778 unsigned constants.
17779 * config/arm/arm.h: Fix compile time warnings about signed vs
17780 unsigned constants.
17782 2000-01-09 Philip Blundell <philb@gnu.org>
17784 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17785 than `ldm' with only one register.
17786 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17789 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17792 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17794 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17797 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17799 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17800 assignment used as truth value.
17802 * function.c (assign_temp): Mark parameter `dont_promote' with
17803 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17804 PROMOTE_FOR_CALL_ONLY.
17806 * genrecog.c (write_subroutine): Mark variable `operands' with
17809 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17812 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17813 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17815 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17818 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17820 * config/c4x.h: Tidy up comments.
17821 * config/c4x.c: Likewise.
17823 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17825 * fold-const.c (lshift_double, rshift_double): Handle
17826 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17828 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17830 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17831 in prepare_function_start().
17833 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17835 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17836 longer allocate extra stack for function calls.
17838 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17840 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17842 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17844 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17846 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17848 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17849 * aix43.h: Revert Aug 2 change.
17850 (HAS_INIT_SECTION): Define, not visible yet.
17851 (LD_INIT_SWITCH): Define, not visible yet.
17852 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17854 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17856 * collect2.c (main): Expand ld2 size further.
17857 (export_object_lst): Cast assignment to avoid warning.
17858 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17859 (scan_prog_file, COFF): Do not collect initialization or
17860 finalization functions generated for entire shared object if
17861 init/fini support present.
17863 2000-01-07 Nick Clifton <nickc@cygnus.com>
17865 * config/elfos.h: Tidy up formatting of marcos. Make sure
17866 that .section directives are always prefixed by a tab.
17868 * config/svr4.h: Add #include "elfos.h" and remove duplicate
17871 2000-01-07 Matt Austern <austern@sgi.com>
17873 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
17876 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
17878 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
17880 (crtbegin.o, s-crtS): Likewise.
17882 2000-01-06 Richard Henderson <rth@cygnus.com>
17884 * alpha.md (adddi_2+1): Limit offset such that it will be
17885 loadable with a single ldah+lda pair.
17886 (adddi_2+2): Explicitly fail split if we can't make it work.
17888 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
17890 * protoize.c: Conditionally include unistd.h.
17891 (IS_SAME_PATH_CHAR): New macro.
17892 (IS_SAME_PATH): New macro.
17893 (CPLUS_FILE_SUFFIX): New macro.
17894 (cplus_suffix): New static variable.
17895 (is_abspath): New static function.
17896 (in_system_include_dir): Handle DOS style pathnames.
17897 (file_could_be_converted): Likewise.
17898 (file_normally_convertible): Likewise.
17899 (directory_specified_p): Likewise.
17900 (file_excluded_p): Likewise.
17901 (abspath): Likewise.
17902 (shortpath): Likewise.
17903 (referenced_file_is_newer): Likewise.
17904 (save_def_or_dec): Likewise.
17905 (do_processing): Likewise.
17907 (edit_file): Likewise. Use rename instead of link.
17908 (rename_c_file): Likewise. Don't rename syscalls file.
17909 (munge_compile_params): Define null device for DOS based systems.
17910 (process_aux_info_file): Use binary mode if appliable.
17911 (edit_file): Likewise.
17912 * invoke.texi (Running Protoize): Document C++ suffixes used.
17914 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
17915 IS_DIR_SEPARATOR macros.
17916 * collect2.c: Likewise.
17917 * cppinit.c: Likewise.
17918 * dwarf2out.c: Likewise.
17920 * gcov.c: Likewise.
17921 * prefix.c: Likewise.
17923 * toplev.c: Likewise.
17924 * system.h: And move to here.
17926 * prefix.c (update_path): Fix typo in variable name.
17928 2000-01-06 Richard Henderson <rth@cygnus.com>
17930 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
17931 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
17932 (count_reg_sets_1, count_reg_references): Likewise.
17933 (flow_loops_level_compute): Start counting actual loop depth at 1.
17934 (flow_loops_find): Likewise.
17935 * local-alloc.c (update_equiv_regs): Likewise.
17936 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
17938 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
17940 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
17941 FIRST_PSEUDO_REGISTER
17942 * dwarf2out.c: Don't include frame.h
17943 * dwarfout.c: Likewise
17944 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
17947 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
17949 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
17952 * i386.c (movsf splitter): Fix typo in my last checkin.
17954 2000-01-05 Nick Clifton <nickc@cygnus.com>
17956 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
17957 own definition of this macro.
17958 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
17959 flag_data_sections or UNIQUE_SECTION_P are true.
17961 * tm.texi (UNIQUE_SECTION): Document that it can be called for
17962 unitialised data decls.
17964 * config/i386/winnt.c (i386_pe_unique_section): Cope with
17965 being called for uninitialised data.
17967 * config/i386/interix.c (i386_pe_unique_section): Cope with
17968 being called for uninitialised data.
17970 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
17971 for uninitialised data.
17973 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
17974 for uninitialised data.
17976 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
17977 for uninitialised data.
17979 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
17980 (UNIQUE_SECTION_P): Always generate a unique section if
17981 flag_data_sections is true.
17982 (UNIQUE_SECTION): Also generate unique sections for
17983 uninitialised data.
17984 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
17985 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
17988 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17990 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
17993 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17995 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
17996 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
17997 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
17998 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
17999 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18001 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18003 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18005 * c-decl.c (finish_enum): Simplify code to determine minimum and
18006 maximum values of the enum, and calculate the type. Remove check
18007 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18008 the DECL_INITIAL of each enumeration constant with a copy converted
18009 to the enumeration type. When updating variant types, don't bother
18010 updating the type itself.
18012 * c-typeck.c (build_binary_op): Simplify conditional expressions
18013 when weeding out spurious signed-unsigned warnings. Add new
18014 spurious warning category: if the unsigned quantity is an enum
18015 and its maximum value fits in signed_type(result_type). Update
18017 (build_conditional_expr): Warn here if one alternative is signed
18018 and the other is unsigned.
18020 2000-01-05 Nick Clifton <nickc@cygnus.com>
18022 * config/fr30/fr30.h: Remove extraneous comments.
18024 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18026 * reload1.c (choose_reload_regs): When disabling a reload, also
18027 set reload_spill_index to -1.
18029 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18031 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18033 (m68*-*-rtemself*): New target.
18034 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18035 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18036 (sparc*-*-rtemself*): New target.
18037 (sparc*-*-rtems*): Now elf not a.out.
18038 * config/i386/rtems.h: Include config/rtems.h.
18039 * config/i386/rtemself.h: Include config/rtems.h.
18040 * config/i960/rtems.h: Include config/rtems.h.
18041 * config/m68k/rtems.h: Include config/rtems.h.
18042 * config/m68k/rtemself.h: Include config/rtems.h.
18043 * config/mips/rtems64.h: Include config/rtems.h.
18044 * config/pa/rtems.h: Include config/rtems.h.
18045 * config/rs6000/rtems.h: Include config/rtems.h.
18046 * config/sh/rtems.h: Include config/rtems.h.
18047 * config/sh/rtemself.h: Include config/rtems.h.
18048 * config/sparc/rtems.h: Include config/rtems.h.
18049 * config/sparc/rtemself.h: Include config/rtems.h
18051 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18053 * final.c (shorten_branches): Correctly compute length of
18054 asms without operands.
18056 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18058 * configure.in: Add pj target.
18059 * configure: Regenerate.
18060 * config/pj: New directory.
18061 * config/pj/lib1funcs.S: New file.
18062 * config/pj/linux.h: New file.
18063 * config/pj/pj.c: New file.
18064 * config/pj/pj.md: New file.
18065 * config/pj/pjl.h: New file.
18066 * config/pj/t-pj: New file.
18067 * config/pj/xm-pj.h: New file
18069 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18071 * toplev.c (rest_of_compilation): Run shorten-branches before
18074 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18076 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18077 macros so that they're consistent with their names.
18078 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18079 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18081 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18083 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18084 modified inadvertently.
18086 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18088 * configure.in (v850*-*-rtems*): New target.
18089 * configure: Regenerate.
18090 * config/v850/rtems.h: New file.
18092 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18094 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18095 (__gthread_key_create): Likewise.
18096 (__gthread_key_dtor): Likewise.
18097 (__gthread_once): Fix logic.
18098 (__gthread_key_delete): Cast away constness.
18100 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18101 * invoke.texi: Document.
18102 * i386/mingw32.h (CPP_SPEC): Use.
18103 (LIBGCC_SPEC): Likewise.
18104 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18106 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18108 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18109 (HANDLE_PRAGMA_PACK): Undefine.
18110 (SLOW_UNALIGNED_ACCESS): Define.
18112 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18114 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18115 to default definition.
18116 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18117 (store_fixed_bit_field): Call macro with word_mode and alignment.
18118 (extract_bit_field): Call macro with relevant mode and alignment.
18119 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18120 to default definition.
18121 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18123 (move_by_pieces_ninsns): Likewise.
18124 (clear_by_pieces): Likewise.
18125 (emit_push_insn): Likewise.
18126 (store_field): Call macro with relevant mode and alignment.
18127 (expand_expr): Likewise.
18128 (expand_expr_unaligned): Likewise.
18130 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18131 (SLOW_UNALIGNED_ACCESS): Define.
18132 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18133 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18134 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18135 (toc_section): Likewise and .toc pseudo-op.
18136 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18138 (TEXT_SECTION_ASM_OP): Likewise.
18139 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18142 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18143 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18144 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18145 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18146 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18148 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18150 * regclass.c: Revert my Jan 4 change to loop cost computation.
18152 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18154 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18157 2000-01-04 Stan Cox <scox@cygnus.com>
18159 * haifa-sched.c (build_control_flow): Change unreachable simple
18160 loop test to check if current block has only one predecessor.
18161 (find_rgns): Initialize degree. Use dest as degree index, not src.
18163 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18165 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18167 * calls.c (expand_call): Likewise for
18168 `old_stack_arg_under_construction'.
18170 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18172 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18175 * gcc.c (execute): Likewise for `ut' and `st'.
18177 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18179 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18181 * jump.c (jump_optimize_1): Likewise for `temp2'.
18183 * local-alloc.c (block_alloc): Likewise for `r1'.
18185 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18187 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18188 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18190 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18193 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18194 and `goal_earlyclobber'.
18196 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18198 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18200 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18202 * unroll.c (copy_loop_body): Likewise for `copy'.
18204 * varasm.c (output_constructor): Likewise for `byte'.
18206 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18208 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18209 all FP constants for constant->reg moves.
18210 (ix86_split_to_parts): Try to convert memory address into immediate
18211 when available in the constant pool.
18212 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18214 (LEGITIMATE_CONSTANT_P): Return 1.
18215 * i386.md (pushsf): New splitter to convert constant pool memory
18216 reference to immediate.
18217 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18220 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18222 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18223 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18224 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18225 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18226 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18228 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18230 * ginclude/stdbool.h: Support compilation as C++.
18232 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18234 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18236 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18238 * regclass.c (regclass): Properly compute loop_cost. Adjust
18241 * regclass.c: Fix minor whitespace problems.
18243 2000-01-03 Anthony Green <green@cygnus.com>
18245 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18246 Restore the pic register if required.
18248 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18250 * c-common.c (format_char_info): Update comment.
18251 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18252 was recognized. Emit warning for formats new in ISO C99 only
18253 if flag_isoc9x is not set.
18255 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18257 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18259 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18261 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18262 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18263 (make_compound_operation): Choose cheaper alternative between
18264 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18266 * regclass.c (op_costs): Remove global variable.
18267 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18268 (record_operand_costs): Break out from ...
18269 (scan_one_insn): ... here.
18270 (dump_regclass): Make dumps nicer.
18271 (regclass): Dump preferrences choosed and changes done during passes.
18273 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18275 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18277 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18279 * config/sparc/sparc.c (gen_df_reg): New function.
18280 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18281 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18282 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18283 movtf_cc_reg_sp64+1): Use it.
18285 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18287 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18288 copied LABEL_DECLs.
18290 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18292 * config/i386/i386.c (ix86_expand_unary_operator): Function
18293 definition made void.
18294 (ix86_expand_binary_operator): Update outdated preceding comment.
18295 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18298 * config/i386/i386.c (override_options): Fix option-name typo.
18300 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18302 * system.h (CEIL): Define.
18303 * builtins.c (CEIL): Remove.
18304 * expmed.c (CEIL): Likewise.
18305 * expr.c (CEIL): Likewise.
18306 * stor-layout.c (CEIL): Likewise.
18308 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18310 * expr.c (store_constructor_field): Fix typo introduced with last
18313 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18315 * tree.h (BINFO_N_BASETYPES): New macro.
18317 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18319 * expmed.c (emit_store_flag): Prevent losing a pending stack
18320 adjust the same way we prevent losing queued increments.
18322 See ChangeLog.2 for earlier changes.