1 2000-07-20 Kazu Hirata <kazu@hxi.com>
3 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
4 * h8300.h (OK_FOR_T): New.
5 (EXTRA_CONSTRAINT): Support OK_FOR_T.
6 * h8300.md: Use inc/dec.[wl] for increment/decrement
7 by 1 and 2 in HI and SI modes.
9 2000-07-20 Jim Wilson <wilson@cygnus.com>
11 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
14 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
16 * cppmacro.c (CAN_PASTE_AFTER): New macro.
17 (count_params): Don't set GNU_REST_ARGS on anything.
18 (save_expansion): Set PASTE_LEFT only on tokens for which
19 CAN_PASTE_AFTER is true, or which are named operators.
21 * cpplex.c (parse_args): Distinguish between a rest argument
22 given one empty argument, and a rest argument given zero arguments.
23 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
24 deletion of previous token based on that.
25 (get_raw_token): Flatten some control structure.
27 * cpplib.h (CPP_LAST_EQ): Correct.
28 (VOID_REST): New token flag.
29 (GNU_REST_ARGS): Delete.
31 * tradcpp.c (main): Don't munge -D options.
32 (make_definition): Bring -D handling in line with cpplib.
33 (do_define): Strip all leading whitespace from macro definitions.
35 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
37 * Makefile.in (tradcpp): Depend on intl.o and version.o.
39 2000-07-20 Bruce Korb <bkorb@gnu.org>
41 * fixincl/check.tpl: strip the platform specific types before testing
42 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
43 * fixincl/fixincl.tpl: use platform specific types
44 * fixincl/fixlib.h: include the platform specific types
45 * fixincl/inclhack.def(gnu_types): don't supply the types
46 * fixincl/fixincl.x: regen
48 2000-07-19 Jim Wilson <wilson@cygnus.com>
50 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
53 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
55 * tradcpp.c (rescan): Do not recognize directives when the #
58 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
60 Implement C++ named operators.
62 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
63 of operators allowed in #if and having an _EQ variant. Add
64 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
65 (cpp_token flags): Add NAMED_OP.
66 (enum node_type): Add T_OPERATOR.
67 (struct cpp_hashnode): Add code slot to value union.
68 * cpphash.h (spec_nodes): Remove n_defined.
70 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
71 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
72 (is_macro_disabled): Tweak error messages.
74 * cpplib.c (get_define_node): Disallow all named operators as
75 macro names. Tweak error messages.
76 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
78 * cppinit.c (builtin_array): Add entries for the named operators.
79 * cppexp.c (lex): Check for CPP_DEFINED token.
80 (priority table): Add entries for CPP_MIN and CPP_MAX.
81 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
83 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
85 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
86 larger than the array of cuids.
87 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
90 2000-07-19 Bruce Korb <bkorb@gnu.org>
92 * fixinc/fixincl.c: Convert to using a table of environment variables
93 and activate the auto-edit marker on the fixed output files.
94 * fixinc/fixlib.h: Define the environment table
95 * fixinc/fixincl.sh: export the ${INPUT} dir
96 * fixinc/check.tpl: likewise
98 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
100 * gcc.c (.h spec): Fix typo.
102 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
104 * Makefile.in: Fix tradcif.c path.
106 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
108 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
111 * cpphash.h (TOKEN_NAME): New macro.
112 (_cpp_spell_operator): Deleted.
113 (token_spellings): Now _cpp_token_spellings.
115 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
116 * cpplex.c: Use OP and TK macros when expanding the
117 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
118 store the stringification of the enumeration name (CPP_CHAR,
119 etc.) in the name slot of token_spellings.
120 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
121 token_spellings directly.
122 * cpplib.c: Use TOKEN_SPELL.
124 * cpplex.c (_cpp_push_token): If the token being pushed back
125 is the previous token in this context, just subtract one from
127 * cppmacro.c (save_expansion): Clear aux field when storing a
130 2000-07-18 Jakub Jelinek <jakub@redhat.com>
132 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
133 buffer, provided it is not NULL.
135 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
137 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
138 case of invalid volatile re-declaration.
140 2000-07-18 Jakub Jelinek <jakub@redhat.com>
142 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
143 (expand_call): Adjust caller.
145 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
147 * diagnostic.h (report_diagnostic): Change prototype.
149 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
150 diagnostic_for_decl): Change prototype.
151 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
152 error, warning, error_with_file_and_line,
153 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
154 Adjust call to report_diagnostic, diagnostic_for_decl.
155 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
156 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
158 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
159 varaible argument list.
161 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
163 * cpphash.c: Don't include hashtab.h. Most macro-handling code
165 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
166 dump_hash_helper): Delete.
167 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
168 cpp_forall_identifiers): New. Implement specialized version of
169 Vlad's expandable hash table.
170 (cpp_lookup): Use new functions.
171 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
173 * cppmacro.c: New file.
174 * cppinit.c (dump_macros_helper): New.
175 (cpp_finish): Iterate over the identifier table directly.
176 * cpplex.c (parse_name): Calculate the hash of the identifier
177 while we scan it. Use _cpp_lookup_with_hash when we can.
179 * cpphash.h: Update prototypes.
180 (xcnewvec, HASHSTEP): New helper macros.
181 * cpplib.h: Update prototypes.
182 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
183 (cppmacro.o): New rule.
184 (cpphash.o): Update deps.
186 * cppmain.c: Do not set pfile->printer if no_output is on.
188 2000-07-15 Neil Booth <neilb@earthling.net>
190 * cpplib.c: Change all directive-handler functions to return
192 * cpphash.h: Update typedefs.
194 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
196 * configure: Regenerate.
198 * extend.texi (Extended Asm): Mention that a memory clobber
199 does not count as a side-effect.
201 * unroll.c (copy_loop_body): Fix one instance of using host
202 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
205 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
207 2000-07-17 Richard Henderson <rth@cygnus.com>
209 * config/ia64/ia64.md (movdi): Split out load address code.
210 New post-reload splitter for symbolic operands.
211 (movdi_internal): Abort if we didn't split symbolic operands
213 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
214 (ia64_reorg): Split insns when not optimizing.
215 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
217 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
219 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
220 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
222 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
224 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
226 2000-07-17 Jason Merrill <jason@redhat.com>
228 * Makefile.in (clean): Remove libgcc directory.
230 * configure.in (-Wno-long-long check): Use higher-level macros.
232 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
234 * simplify-rtx.c (simplify_binary_operation): Recognize
235 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
236 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
237 a CONST_INT, it will always be zero.
239 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
241 * loop.c (check_dbra_loop) : Return if more than one condition is
242 present to control the loop.
244 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
246 * mips.c (mips_expand_prologue): Don't calculate the last argument
247 register unless we need it. When we are calculating this, make
248 sure FUNCTION_ARG is giving us a REG.
250 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
252 * flow.c (libcall_dead_p): Use single_set to verify the insn
253 has only one set and get for analysis.
254 (propagate_one_insn): Don't pass the PATTERN of the insn.
256 2000-07-17 Mark Klein <mklein@dis.com>
258 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
260 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
262 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
263 * configure.in (TARGET_GETGROUPS_T): Evaluate.
264 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
265 of second argument of getgroups.
266 * configure, config.in: Rebuilt.
268 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
270 * simplify-rtx.c (simplify_relational_operation): Two signed
271 values with equal high words are less/greater than each other if
272 their low words are less/greater when considered as unsigned.
274 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
276 * configure.in (vax-*-openbsd): Change to new style configuration,
277 add collect2/float_format information.
278 * configure: Rebuilt.
279 * config/vax/openbsd1.h: New.
280 * config/vax/openbsd.h: New.
281 * config/vax/t-openbsd: New.
283 2000-07-17 Chip Salzenberg <chip@valinux.com>
285 * c-common.c (shorten_compare): Quiet warnings about unsigned
286 comparisons with zero when they occur in a system header.
288 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
290 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
291 update to describe current practice.
293 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
295 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
296 references to C9X. Change references to -fstd and -flang-isoc9x
299 * c-common.c (scan_char_table): Allow "z" length modifiers on
301 (check_format_info): Use TYPE_DOMAIN on the type matched against
302 for "z" formats, to retrieve the language size_t rather than the
305 * c-common.c (check_format_info): Do not make a pedantic objection
306 to the 'L' length modifier if used with a floating point type
309 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
310 constants in C99 mode.
312 2000-07-17 Kazu Hirata <kazu@hxi.com>
314 * h8300.md: Fix the format of mac.
315 (movsi_h8300hs): Output a tab after stmac instead of a space.
317 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
318 profitable adds/subs sequences.
320 * fold-const.c: Fix comment typos.
322 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
324 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
326 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
328 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
330 2000-07-16 Neil Booth <NeilB@earthling.net>
332 * cpplex.c: Update comments.
333 * README.Portability: Small update.
335 2000-07-16 Neil Booth <NeilB@earthling.net>
337 * README.Portability: Small update.
339 2000-07-15 Richard Henderson <rth@cygnus.com>
341 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
342 * config/ia64/ia64.c (ia64_move_ok): New function.
343 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
344 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
346 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
348 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
349 immediately following a paste operator.
350 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
351 (cpp_reader_init): Call it, if HOST_EBCDIC.
352 (cpp_handle_options): Do not sort option list here.
353 (handle_option): Rename to cpp_handle_option and export.
354 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
355 _cpp_get_token directly.
356 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
357 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
358 * cpplib.h: Prototype cpp_handle_option. Update prototype of
361 2000-07-15 Richard Henderson <rth@cygnus.com>
363 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
364 cast around an expression. Tidy other unsigned tests.
366 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
368 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
369 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
370 (v_message_with_decl): Rename to ...
371 (format_with_decl): ... this. Tweak
372 (diagnostic_for_decl): New function.
373 (fatal_io_error): Use verbatim in lieu of notice.
374 (announce_function): Use verbatim.
375 (default_print_error_function): Likewise.
376 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
379 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
381 * mips.c (function_arg_pass_by_reference): Don't do automatic
382 aggregate initialization.
383 (machine_dependent_reorg): Initialize variable `mode'.
385 * mips.md (absdi2): Change variable `regno1' to unsigned int.
386 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
387 conflicts with sys/param.h macro of the same name.
388 (reload_outdi): Likewise.
390 2000-07-15 Michael Meissner <meissner@redhat.com>
392 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
393 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
394 create a new node instead.
396 2000-07-15 Neil Booth <NeilB@earthling.net>
398 * README.Portability: Correct example about calling a function
399 through a pointer to function. Format wide paragraphs.
401 2000-07-15 Michael Meissner <meissner@redhat.com>
403 * README.Portability: Update integer suffixes and function
406 2000-07-15 Neil Booth <NeilB@earthling.net>
408 * README.Portability: Small update.
410 2000-07-15 Neil Booth <NeilB@earthling.net>
412 * README.Portability: New file.
414 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
416 * INSTALL: Give special instructions for building GCC on Irix 6.
417 * config/mips/x-iris6 (CC): Don't set it.
420 2000-07-14 Jason Merrill <jason@redhat.com>
422 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
423 register in the stack and later in another register, use the new
426 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
428 * config/mips/mips.md: (absdi2): Handle sign_extend for
431 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
433 * cpplib.c (do_pragma_dependency): Tidy warning messages.
435 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
437 * .cvsignore: Correct typo.
439 2000-07-13 Mark Mitchell <mark@codesourcery.com>
441 * .cvsignore: Add generated YACC files.
442 * objc/.cvsignore: New file.
444 2000-07-14 Neil Booth <NeilB@earthling.net>
446 * cpplex.c (adjust_column): New funcion.
447 (skip_whitespace): Use it.
448 (skip_block_comment): Use it, and warn about /*/* with
451 2000-07-14 Neil Booth <NeilB@earthling.net>
453 * cpphash.c (struct macro_info): Add new members.
454 (_cpp_free_definition): Delete the macro directly.
455 (count_params): Return void, with first token of
456 expansion in struct macro_info on success.
457 (parse_define): Return int. Hoist syntax checking from
458 save_macro_expansion. Leave call to save_expansion to
459 _cpp_create_definition.
460 (alloc_macro): Needs just 2 arguments.
461 (free_macro): Delete.
462 (save_expansion): Don't perform syntax check.
463 (_cpp_create_definition): Call save_expansion.
465 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
467 * genrecog.c (write_header): Split long string.
469 * cpphash.c (macro_info): Don't use the `signed' keyword.
471 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
473 2000-07-13 Jakub Jelinek <jakub@redhat.com>
475 * calls.c (stored_args_map): New variable.
476 (check_sibcall_argument_overlap_1): New.
477 (check_sibcall_argument_overlap): New.
478 (expand_call): Initialize stored_args_map.
479 Call check_sibcall_argument_overlap.
481 2000-07-13 Bruce Korb <bkorb@gnu.org>
483 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
484 (emit_gnu_type): utility procedure for gnu_type_fix
485 (gnu_type_fix): implement various pre-processor guards around
486 standard types so these types can be defined over and over
487 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
488 types alluded to above will have GNU-compliant base types
489 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
490 * fixinc/inclhack.def: add test_text entries and utilize the new
491 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
492 * fixinc/fixincl.x: regenerate
494 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
496 * diagnostic.c (vline_wrapper_message_with_location,
497 v_message_with_file_and_line, v_error_with_file_and_file,
498 v_error_for_asm, v_warning_for_asm, vfatal,
499 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
500 vsorry, verror, vwarning, vpedwarn): Remove.
501 (diagnostic_for_asm): New function.
502 (pedwarn, error, warning, pedwarn_with_file_and_line,
503 error_with_file_and_line, warning_with_file_and_line, sorry,
504 error_for_asm, warning_for_asm, fatal): Reimplement.
505 (finish_diagnostic): Clear diagnostic info as well.
507 2000-07-13 Neil Booth <NeilB@earthling.net>
509 * c-common.h (flag_digraphs): New.
510 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
511 * c-lex.c (yylex): Use flag_digraphs to decide whether to
514 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
516 * gcc.c (do_spec_1): Add new %B operator.
517 (set_input): Prepare for %B.
519 (link_command_spec): Move up with the other tm.h-
520 overrideable specs. Factor out the portion conditional on
521 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
522 (struct compiler): Just have a single spec string. All users
524 (default_compilers): Remove unnecessary braces.
525 (static_specs): Update.
527 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
529 (C and assembly specs): Use the new named specs, as appropriate.
531 * objc/lang-specs.h: Use the new named specs.
532 Remove unnecessary braces.
534 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
536 * gcc.c (execute): If a subprocess gets a fatal signal, report
537 strsignal() of the signal number, and ask for a bug report.
538 Do not do this for SIGPIPE if there's already been an error.
540 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
545 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
547 * final.c (profile_function): Do not emit profile counters in
548 the data section, if NO_PROFILE_COUNTERS is defined.
549 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
552 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
553 (FUNCTION_PROFILER): Just emit a call to mcount.
555 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
557 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
559 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
560 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
561 traditional, lang_chill, or lang_fortran.
563 * cppfiles.c: #undef strcmp to suppress warning about macros
564 used without arguments.
565 (_cpp_execute_include): Use f, not fname, in "No include path"
567 (_cpp_pop_file_buffer): New function.
568 * cpplib.c: Don't include <sys/mman.h>.
569 (cpp_push_buffer): Set line_base and lineno in new buffer.
570 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
572 * cpplex.c: Move all prototypes and structure declarations to the
573 top of the file. Properly parenthesise some macro arguments.
574 (cpp_scan_line): New function.
575 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
576 don't need to walk up the stack counting.
578 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
580 * c-common.c (combine_strings): Emit a pedantic warning when a
581 string length is greater than the minimum ANSI C is required
584 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
586 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
587 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
589 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
591 * c-decl.c (define_label): Warn about identifier conflicts with
592 labels in traditional C.
594 * c-parse.in (unop +): Warn about the unary plus operator for
597 * c-typeck.c (store_init_value): Warn about automatic aggregate
598 initialization for traditional C.
600 * invoke.texi (-Wtraditional): Document new warnings.
602 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
604 * Makefile.in (c-errors.o): Fix thinko in dependency.
606 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
608 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
609 -traditional, -ftraditional, or -traditional-cpp was given.
610 Do not pass -traditional to the preprocessor.
611 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
612 preprocessor does it automatically.
613 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
615 * ch/lang-specs.h: Always use tradcpp. Do not pass
616 -traditional, -trigraphs, or -pedantic to the preprocessor.
617 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
620 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
622 * cppexp.c (LOGICAL): Delete macro.
623 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
626 * cpphash.c (HASHSIZE): Increase to 4096.
627 (struct hashdummy): Add hash field.
628 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
629 the string values using memcmp.
630 (cpp_lookup): Set dummy.hash.
632 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
634 * configure.in (m88k-openbsd): Express configuration using new fragment
636 * configure: Rebuilt.
637 * m88k/aout-dbx.h: New.
638 * m88k/openbsd.h: New.
639 * m88k/xm-openbsd.h: New.
641 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
643 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
645 2000-07-12 Richard Henderson <rth@cygnus.com>
647 * reload.c (push_secondary_reload): Make sure to add the new
648 reload at the end, after acquiring secondary memory.
650 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
652 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
654 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
655 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
657 * c-parse.in (stmt): Delete unused variables.
659 * convert.c (convert_to_vector): Likewise.
661 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
663 * tree.c (finish_vector_type): Prototype.
665 2000-07-12 Bruce Korb <bkorb@gnu.org>
667 * fixinc/fixfixes.c: use xmalloc
668 * fixinc/fixincl.c(initialize): set program name for xmalloc
669 * fixinc/fixlib.c(must_malloc): obsolete
670 (is_cxx_header): no longer used - disabled
671 (skip_quote): inserted and disabled for future use
672 * fixinc/fixlib.h: reflects above
673 * fixinc/fixtests.c: removed dinkleberries
675 2000-07-12 Neil Booth <NeilB@earthling.net>
677 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
678 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
680 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
681 struct toklist_dummy): New.
682 (cpp_free_definition): Free macros with free_macro.
683 (count_params): Don't save paramter spellings. Save macro
684 information in a struct macro_info.
685 (parse_define): Don't allocate a token list.
686 (save_expansion): Allocate the macro's token list, and
687 save parameter spellings if necessary. Use TOKEN_SPELL.
688 (cpp_create_definition): Make list const.
690 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
692 * c-typeck.c (pedwarn_c99): Move to
693 * c-errors.c: ... Here.
694 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
695 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
696 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
697 (c-errors.o): List dependency.
699 2000-07-12 Mark Mitchell <mark@codesourcery.com>
702 * c-parse.h: Likewise.
703 * c-parse.y: Likewise.
704 * objc/objc-parse.c: Likewise.
705 * objc/objc-pasre.y: Likewise.
707 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
709 * gcc.texi: Fix minor typos
710 * extend.texi: Fix minor typos
712 2000-07-11 Marc Espie <espie@openbsd.org>
714 * collect2.c (main): Recognize .lo as object files.
716 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
718 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
721 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
722 with MAP_ANONYMOUS and MAP_ANON.
723 * configure, config.in: Rebuilt.
725 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
727 * diagnostic.c (save_output_state): Remove.
728 (restore_output_state): Likewise.
729 (clear_text_info): New function.
730 (clear_diagnostic_info): Likewise.
731 (output_text_length, is_starting_newline, output_prefix,
732 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
733 prefixing_policy, output_buffer_ptr_to_format_args): New macros
734 (set_real_maximum_length, output_set_maximum_length,
735 output_set_prefix, output_get_prefix, output_set_maximum_length,
736 output_destroy_prefix, init_output_buffer,
737 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
738 output_add_newline, output_add_character, output_add_space,
739 output_append_r, output_append, wrap_text, output_format,
740 output_do_printf, output_printf, output_do_verbatim,
741 output_verbatim, verbatim): Use them.
742 (output_clear): Split into cleat_text_info and
743 clear_diagnostic_info.
744 (struct output_state): Move to...
746 * diagnostic.h: ...Here
747 (struct output_buffer): Adjust.
749 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
751 * cpplex.c (parse_name): No longer inline (premature optimization).
752 (do_pop_context): Fold into pop_context.
753 (pop_context): Returns int.
754 (lex_next): Hoist test for end of directive into pop_context.
755 (push_macro_context): Returns int; takes just reader and token.
756 Hoist test for excessive nesting to caller.
757 (push_arg_context): Returns void; takes just reader and token.
758 Do not call stringify_arg or get_raw_token.
759 (get_raw_token): Convert tail recursion through push_arg_context
760 to a loop at this level. Call stringify_arg here if appropriate.
761 (maybe_paste_with_next): Convert tail recursion to a while loop.
762 Hoist test of paste_level to caller.
764 (stringify_arg): Push arg context at beginning.
765 (cpp_get_token): Split out core into _cpp_get_token. Call
766 process_directive here. Throw away CPP_PLACEMARKER tokens.
767 (_cpp_get_token): Convert tail recursion through
768 push_macro_context to a loop at this level.
769 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
770 _cpp_get_raw_token): Use _cpp_get_token.
771 (_cpp_skip_rest_of_line): Drop the context stack directly; do
772 not call pop_context.
773 (_cpp_run_directive): Call lex_next directly.
775 * cpphash.h: Prototype _cpp_get_token.
776 * cppexp.c (lex): Use it.
777 * cpphash.c (parse_define): Use it.
778 * cpplib.c (get_define_node, do_undef, parse_include,
779 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
780 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
781 parse_ifdef, validate_else): Use it.
782 (cpp_push_buffer): Tweak error message; abort if anyone tries
783 to push a buffer while macro expansions are stacked.
785 2000-07-11 Donn Terry <donnte@microsoft.com>
787 * cpplex.c (free_macro_args, save_token): Cast arg of free
788 and/or xrealloc to PTR.
789 (_cpp_init_input_buffer): Clear all fields of the base context.
791 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
793 * gensupport.c (process_rtx): Make rtl checking stop
794 complaining about the define_insn while it is being
795 converted from a define_insn_and_split.
797 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
799 * config/mips/mips.c (simple_memory_operand): Access the
800 INTVAL of the address, not it's containing MEM.
802 2000-07-11 Bruce Korb <bkorb@gnu.org>
804 * fixinc/fixtests.c(double_slash): obsolete
805 (else_endif_label): likewise
806 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
807 (libc1_ifdefd_memx): correct initial comment
808 and omit the #if/#endif pair from the memxxx declarations
809 * fixinc/fixincl.x: regen
811 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
813 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
815 2000-07-11 Neil Booth <NeilB@earthling.net>
819 2000-07-11 Neil Booth <NeilB@earthling.net>
821 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
822 (handle_option): Set digraphs according to standard.
823 Merge OPT_lang_c89 handler with OPT_std_c89.
825 * cpplex.c: (lex_line, can_paste): Honour digraphs in
826 accordance with the digraphs flag.
828 * cpplib.h: (struct cpp_options): New option digraphs.
830 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
831 Bruce Korb <bkorb@gnu.org>
833 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
834 * fixinc/fixincl.x: Regenerate.
835 * fixinc/tests/base/testing.h: Add testcase.
837 2000-07-10 Richard Henderson <rth@cygnus.com>
839 * config/ia64/ia64.c (got_symbolic_operand): New.
840 (symbolic_operand, move_operand): Revert 0701 change.
841 * config/ia64/ia64.h (PREDICATE_CODES): Update.
842 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
843 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
844 split the offset into a 14-bit low part instead of a 13-bit low part.
845 (load_fptr): Mark the mem as unchanging.
846 (load_symptr): Use got_symbolic_operand.
848 2000-07-10 Nick Clifton <nickc@cygnus.com>
850 * libgcc2.c (next_stack_level): Cast result of computation to
851 (void **) so that the assignment does not generate a warning.
853 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
855 * flags.h : Add new variable flag_single_precision_constant.
856 * toplev.c (display_help) : Add -fsingle-precision-constant option.
857 (flag_single_precision_constant): New.
858 * c-lex.c (yylex): Convert floating point constant to single
860 * invoke.texi : Add documentation for this new option.
862 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
864 * diagnostic.c (output_octal): Second parameter is unsigned.
865 (output_long_octal): Likewise.
866 (output_hexadecimal): Likewise.
867 (output_long_hexadecimal): Likewise.
868 (output_format): Adjust arguments extraction. Tweak.
869 (output_verbatim, verbatim): End variable argument list.
870 (report_diagnostic): Improve documentation.
872 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
874 * c-common.h (build_stmt): Declare.
875 (build_continue_stmt): Likewise.
876 (build_break_stmt): Likewise.
877 (build_return_stmt): Likewise.
879 * c-decl.c (do_case): Rewrite to do what previously done in
882 * c-semantics.c (build_stmt): Define.
883 (build_return_stmt): Likewise.
884 (build_break_stmt): Likewise.
885 (build_continue_stmt): Likewise.
886 (build_case_label): Likewise.
888 * c-parse.in (BREAK): Change to build tree, then generate RTL.
889 (CONTINUE): Likewise.
894 * c-parse.y: Regenerate.
895 * c-pasre.c: Likewise.
897 2000-07-09 Jason Merrill <jason@redhat.com>
899 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
901 * tree.h (STRIP_NOPS): Check for error_mark_node.
902 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
903 (dwarf2out_*): Remove duplicate declarations.
905 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
906 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
908 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
910 * diagnostic.c (wrap_text): New function.
911 (maybe_wrap_text): Likewise.
912 (output_add_string): Use it.
913 (output_format): Likewise.
914 (count_error): Use verbatim instead of notice.
915 (report_error_function): Likewise. Don't use plain fprintf.
916 (finish_diagnostic): New function.
917 (output_do_verbatim): Tweak. Commonalize functionalities in
918 output_verbatim and verbatim.
919 (output_verbatim): Adjust.
920 (verbatim): Likewise.
921 (report_diagnostic): Define.
923 * diagnostic.h (report_diagnostic): Prototype.
925 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
927 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
929 2000-07-09 Neil Booth <NeilB@earthling.net>
931 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
932 IShspace, ISspace: Update.
934 * cppinit.c: ISTABLE: Update.
937 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
938 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
939 (skip_block_comment, skip_line_comment, parse_string,
940 lex_line): Use is_vspace rather than IS_NEWLINE.
941 (skip_whitespace, lex_line): Clean up to use is_nvspace.
942 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
944 (lex_next): Unconditionally stop if within a directive.
945 Treat directives within macro invocations as directives
946 (after parse_args emits error), not as the argument.
948 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
950 * diagnostic.c (diagnostic_args): New macro.
951 (diagnostic_msg): Likewise.
952 (output_formatted_integer): Likewise.
953 (output_state): New data type.
954 (digit_buffer): Make global.
955 (output_add_integer): Rename to output_decimal. Squeeze
957 (output_long_decimal, output_unsigned_decimal,
958 output_long_unsigned_decimal, output_octal, output_long_octal,
959 output_hexadecimal, output_long_hexadecimal): New functions.
960 (output_append_r): New function.
961 (output_append): Tweak.
962 (output_flush_on): Rename to output_to_stream.
963 (output_format): Change prototype. Improve documentation. Handle
964 more format specifiers.
965 (build_location_prefix): Rename to context_as_prefix.
966 (output_notice): Rename to output_do_printf.
967 (output_printf): Tweak.
968 (line_wrapper_printf): Likewise.
969 (vline_wrapper_message_with_location): Adjust call to renamed
971 (v_message_with_decl): Likewise.
972 (default_print_error_function): Likewise.
973 (save_output_state): New function.
974 (restore_output_state): Likewise.
975 (output_do_verbatim): Likewise.
976 (output_verbatim): Define.
977 (verbatim): Likewise.
979 * diagnostic.h (printer_fn): Change return type from void to int.
980 Improve documentation.
981 (output_add_integer): Rename to output_decimal.
982 (output_flush_on, output_format): Don't export.
983 (output_verbatim, verbatim): Declare.
985 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
987 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
988 Check whether c divides op1 exactly if operation is not
991 2000-07-08 Richard Henderson <rth@cygnus.com>
993 * final.c (final): Do not abort when reg-stack introduces
996 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
998 * cpplib.h (struct cpp_name): Now struct cpp_string.
999 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
1000 CPP_HEADER_NAME): Change to type S.
1001 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
1002 field, a cpp_hashnode *. All references to val.name updated
1003 to use val.str or val.node as appropriate.
1004 (struct cpp_reader): Add spec_nodes field.
1005 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
1007 * cpphash.h (struct spec_nodes): New.
1008 (enum spell_type): Reorder. Only SPELL_STRING tokens use
1009 val.str. All references to 'spelling > SPELL_NONE' updated to
1012 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
1013 pfile->buffer->inc are not NULL before dereferencing them.
1015 * cpplex.c (parse_name): Take a pointer to the current token,
1016 plus current position and limit as args; return the new
1017 position; don't copy the text of a name into the string
1018 buffer, instead call cpp_lookup and store the node pointer.
1019 If extending a token, copy out the text of the old into a
1020 scratch buffer, append the new, look that up and store the new
1021 node pointer. Inline.
1022 (maybe_paste_with_next): If the result of paste is a NAME,
1023 then look up the pasted text and store its node pointer.
1024 (lex_line): Adjust for new parse_name interface.
1025 Check for L"str", L'str' using spec_nodes->n_L.
1026 (spell_token): SPELL_IDENT tokens have their spelling in
1027 val.node->name. Handle SPELL_STRING tokens that don't have
1029 (_cpp_expand_name_space,
1030 (can_paste): Check for L ## "str" using spec_nodes->n_L.
1031 (cpp_get_token, special_symbol): No need to call cpp_lookup.
1032 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
1033 return 1=equal 0=not, not a tristate.
1035 * cpphash.c (var_args_str): Delete.
1036 (find_param): Compare node fields directly.
1037 (is__va_args__): Use CPP_PEDANTIC. Just compare
1038 token->val.node with spec_nodes->n__VA_ARGS__.
1039 (dump_funlike_macro): Don't use var_args_str.
1041 * cpplib.c (_cpp_check_directive): Just walk through
1042 spec_nodes->dirs comparing pointers.
1043 (get_define_node, do_pragma_poison, detect_if_not_defined,
1044 parse_ifdef): The identifier has already been looked up.
1045 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
1047 (do_if): Only call detect_if_not_defined at beginning of file.
1048 (_cpp_parse_assertion): Only copy string pointers for
1049 SPELL_STRING tokens.
1050 (pragma_dispatch): Take a node pointer and examine its name
1052 (_cpp_init_stacks): Also initialize the spec_nodes structure.
1054 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
1056 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
1057 reverse order from the corresponding _cpp_init_* routines.
1059 * cppexp.c (parse_number, parse_charconst, parse_defined,
1060 lex): Check val.node->type instead of calling cpp_defined.
1061 Use spec_nodes entries where appropriate.
1063 * fix-header.c, scan-decls.c: Update for interface changes.
1065 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
1067 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
1068 emitting aux_truncdfsf2.
1070 2000-07-03 Donn Terry (donnte@microsoft.com)
1072 * cppinit.c (print_help): split overlong line into ISO C89
1075 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1077 * cppexp.c: Update all code for new lexer interface.
1078 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
1079 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
1080 * cpplex.c (token_names): Trim leading CPP_ from names; make
1081 the strings unsigned.
1082 (_cpp_spell_operator): New.
1083 (is_macro_disabled): Disable all macros if rescanning
1085 (_cpp_get_directive_token): Remove.
1087 * cppinit.c: Don't set no_macro_expand.
1088 * cpplib.c (read_line_number, do_line): Check only for EOF,
1090 * cpphash.h: Update prototypes.
1091 * cpplib.h (CPP_VSPACE): Remove.
1092 (struct cpp_reader): Remove no_macro_expand.
1094 2000-07-08 Neil Booth <NeilB@earthling.net>
1096 * cpphash.c (is__va_args__): New function.
1097 (count_params): Fix line reported in error messages. Use
1098 is__va_args__. Don't return ')' on error. Flag GNU style
1099 rest args macro definitions.
1100 (parse_define): Check macro name is not __VA_ARGS__.
1101 (save_expansion): Check identifier in non-varargs-macro is
1102 not __VA_ARGS__. Don't flag GNU_VARARGS.
1103 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1104 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1105 than per-token GNU_VARARGS.
1106 * cpplib.h (GNU_VARARGS): Remove.
1107 (GNU_REST_ARGS): New.
1109 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1111 * i386.md (call_pop, call, call_value_pop): Do not set
1112 current_function_uses_pic_offset_table for calls to static
1113 functions or indirect calls.
1115 2000-07-07 Jim Wilson <wilson@cygnus.com>
1117 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1118 is_predicate_reg, then take max write_count of register pair.
1120 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1122 * tradcpp.c (main): Rename label `include' to `add_include' to
1123 avoid conflicts with variable `include' in traditional C.
1125 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1127 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1129 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1131 * sibcall.c (uses_addressof): Add INMEM argument, check for
1132 current_function_internal_arg_pointer outside of MEM rtxs in addition
1134 (sequence_uses_addressof): Update caller.
1136 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1138 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1141 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1143 * system.h (UNION_INIT_ZERO): New macro for initializing union
1146 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1148 2000-07-07 Neil Booth <NeilB@earthling.net>
1152 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1154 * final.c (final): Detect out of bounds array access to
1155 the insn_lengths array.
1157 2000-07-07 Kazu Hirata <kazu@hxi.com>
1159 * fold-const.c (fold): Fix a comment typo.
1161 2000-07-07 Neil Booth <NeilB@earthling.net>
1163 * cpp.texi: Update to new lexer.
1165 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1167 * tradcpp.c: New file.
1168 * tradcif.y: New file.
1169 * tradcif.c: New generated file.
1171 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1172 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1173 dependencies of C. Install tradcpp from install-common, in
1176 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1178 * cppinit.c: Include cppdefault.h. Refer to
1179 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1180 to GCC_INCLUDE_DIR and its length.
1181 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1182 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1183 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1185 (include_defaults_array): Move to cppdefault.c.
1187 * cppdefault.h: New file.
1188 * cppdefault.c: New file.
1190 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1191 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1192 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1195 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1197 * reload.c (push_reload): When seeing if can reuse a register,
1198 check extra registers against widest of INMODE and OUTMODE.
1200 2000-07-06 Neil Booth <NeilB@earthling.net>
1202 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1203 based on full length of predicate.
1205 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1207 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1208 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1210 2000-07-05 Kazu Hirata <kazu@hxi.com>
1212 * h8300-proto.h: Fix formatting.
1213 * h8300.c: Likewise.
1214 * h8300.h: Likewise.
1216 2000-07-05 Jim Wilson <wilson@cygnus.com>
1218 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1221 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1223 * invoke.texi: Fix minor typos
1224 * md.texi: Fix minor typos
1226 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1228 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1230 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1232 * cpplex.c: Don't include sys/mman.h.
1233 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1235 * cpplib.c: Include sys/mman.h and obstack.h.
1236 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1238 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1239 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1240 bother freeing if stack entries (they will be freed with their buffer).
1241 (do_endif): Free if stack entries from the buffer obstack.
1242 (push_conditional): Allocate if stack entries from the buffer obstack.
1244 (find_answer): Rename to _cpp_find_answer.
1245 (do_assert, do_unassert): Update.
1247 * cpphash.h: Update prototypes.
1248 (xobnew): New convenience macro.
1249 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1251 (struct cpp_hashnode): Remove disabled field.
1253 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1254 (report_missing_guard): Moved to cppfiles.c.
1255 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1257 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1258 cpp_cleanup_includes. Don't destroy hashtab or
1259 all_include_files here.
1260 (cpp_finish): Use _cpp_report_missing_guards.
1262 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1263 (_cpp_init_include_table): Rename _cpp_init_includes.
1264 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1266 * cppexp.c (parse_assertion): Update for new name of
1269 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1271 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1273 * cpplib.c (do_ident): s/VSPACE/EOF/
1275 2000-07-05 Neil Booth <NeilB@earthling.net>
1277 * cpplex.c: Fix trigraph replacement within strings.
1279 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1281 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1283 * xcoffout.c (assign_type_number): Constify.
1284 (xcoffout_source_file): Add static prototype. Don't needlessly
1285 cast away const-ness.
1287 2000-07-04 Jason Merrill <jason@redhat.com>
1289 * frame.h (frame_state): Move base_offset to end.
1291 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1293 * calls.c (emit_library_call_value_1): Revert previous change.
1295 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1297 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1298 (recognized_extern, recognized_function, read_scan_file):
1299 Update for new scheme.
1300 (check_protection): It's still a multiple include guard even
1301 if it doesn't always trigger.
1302 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1304 * scan.h: Declare struct cpp_token. Update prototypes.
1306 2000-07-03 Neil Booth <neilb@earthling.net>
1307 Zack Weinberg <zack@wolery.cumb.org>
1309 Complete overhaul of the lexer and macro expander.
1311 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1312 arg, arglist, argdata, reflist, collect_objlike_expansion,
1313 collect_funlike_expansion, collect_params,
1314 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1315 unsafe_chars, macarg, compare_defs, special_symbol,
1316 scan_arguments, stringify, funlike_macroexpand,
1317 _cpp_quote_string, monthnames): Delete.
1318 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1319 _cpp_create_definition, _cpp_dump_definition,
1320 dump_hash_helper): Adjust.
1321 (find_param, count_params, parse_define, var_args_str,
1322 check_macro_redefinition, save_expansion): New.
1324 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1325 parse_string, output_line_command, trigraph_replace,
1326 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1327 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1328 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1329 _cpp_skip_rest_of_line): Modify.
1331 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1332 find_position, null_warning, bump_column, expand_name_space,
1333 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1334 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1335 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1336 _cpp_prescan): Delete.
1338 (dump_param_spelling, process_directive, lex_next,
1339 is_macro_disabled, stringify_arg, expand_context_stack,
1340 output_token, make_string_token, alloc_number_token,
1341 special_symbol, duplicate_token, maybe_paste_with_next,
1342 can_paste, prevent_macro_expansion, restore_macro_expansion,
1343 get_temp_token, release_temp_tokens, quote_string,
1344 token_names, token_spellings, _cpp_expand_name_space,
1345 _cpp_glue_header_name, _cpp_reserve_name_space,
1346 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1347 placemarker_token, eof_token, cpp_context, macro_args,
1348 get_raw_token, parse_arg, parse_args, save_token,
1349 push_arg_context, push_macro_context, pop_context,
1350 do_pop_context, free_macro_args, _cpp_get_line,
1351 _cpp_run_directive): New.
1353 * cpplib.c (validate_else, parse_include, push_conditional,
1354 pass_thru_directive, read_line_number, parse_ifdef,
1355 detect_if_not_defined, _cpp_check_directive, do_define,
1356 do_undef, do_include, do_import, do_include_next, do_error,
1357 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1358 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1359 do_pragma_poison, do_pragma_system_header,
1360 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1361 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1362 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1363 cpp_defined): Update for new scheme.
1364 (strtoul_for_line, get_define_node, dump_macro_name,
1365 _cpp_check_linemarker, _cpp_parse_assertion): New.
1366 (_cpp_handle_directive, do_pragma_default): Delete.
1368 * cpphash.h (struct predicate): Now struct answer.
1369 (enum spell_type, struct token_spelling, struct directive,
1370 directive_handler): New.
1371 Update prototypes. Remove unused macros.
1372 * cpplib.h: Update prototypes. Remove unused macros,
1373 structure definitions, and fields.
1375 * cpperror.c (print_containing_files, v_message): Adjust.
1376 * cppexp.c (parse_assertion, lex, parse_escape,
1377 _cpp_parse_expr): Adjust.
1378 * cppfiles.c (open_include_file, _cpp_execute_include,
1379 _cpp_compare_file_date, cpp_read_file, read_include_file):
1381 * cppinit.c (dump_special_to_buffer): Delete.
1382 (append_include_chain, merge_include_chains, cpp_reader_init,
1383 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1384 cpp_finish, handle_option, print_help): Adjust.
1385 * cppmain.c (main): Adjust.
1387 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1389 * cppspec.c (lang_specific_driver): Use double quotes in error
1392 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1394 * calls.c (emit_library_call_value_1): Use valreg instead
1395 of hard_libcall_value.
1397 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1399 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1400 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1401 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1409 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1410 mode instead of wider_mode is being used.
1412 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1414 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1415 of 'r'. Use q_regs_operand.
1416 (andsi_1+2): Use q_regs_operand.
1418 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1420 * builtins.c (get_memory_rtx): Always put into alias set 0.
1422 2000-07-03 Nick Clifton <nickc@cygnus.com>
1424 * config/arm/arm.md: Fix post increment and pre increment
1425 peepholes so that they do not generate UNPREDICATBLE opcodes.
1426 (ie ones where the increment clobbers the source/destination).
1428 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1430 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1431 change too big for -mtiny-stack" a warning, if larger than 63.
1432 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1433 always safe to use on possible future devices.
1434 (function_prologue): Write SPH before SPL, for consistency.
1435 If interrupt_func_p true, we know we have enabled interrupts.
1436 (avr_num_arg_regs): New function. Round up to even number of
1437 bytes if no -mpack-args or if calling a libgcc function.
1438 (function_arg, function_arg_advance): Use it.
1439 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1440 Output "movw" if available.
1441 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1442 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1443 (asm_output_section_name): Add blanks for consistent output.
1444 (encode_section_info): Set TREE_READONLY for progmem data to
1445 avoid gas warnings about changed section attributes.
1446 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1447 even numbered registers on devices with "movw".
1448 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1449 (TARGET_SWITCHES): Mark help strings for translation.
1450 Add new -mpack-args and -menhanced switches.
1451 (TARGET_OPTIONS): Mark help strings for translation.
1452 (progmem_section): Add section attributes.
1453 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1454 Output "movw" if available.
1455 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1457 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1458 call convention (arguments aligned on even registers).
1459 (_cleanup, _exit): Make weak symbols libc can override.
1461 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1463 * fp-bit.h: New file.
1465 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1466 Comment #endif statements.
1467 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1469 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1471 * gcse.c (compute_pre_data): Compute ae_kill using other local
1472 properties instead of calling compute_ae_kill.
1474 * alias.c (init_alias_analysis): Do not call
1475 prologue_epilogue_contains until after reload has completed.
1477 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1479 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1480 (genrtl_finish_compound_stmt): Likewise.
1481 (genrtl_compound_stmt): Change to return void.
1483 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1484 move code from here to ...
1485 (genrtl_compound_stmt): ... here.
1486 (genrtl_finish_compound_stmt): Remove.
1487 (expand_stmt): Add comment.
1489 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1491 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1494 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1496 * cpplib.h (struct cpp_reader): New field include_depth.
1497 (struct cpp_printer): Rename last_bsd to last_id.
1498 * cppfiles.c (read_include_file): Bump include_depth.
1499 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1500 (output_line_command): Output correct #line if a header
1501 is including itself and is not protected against multiple inclusion.
1502 Use include_depth instead of buffer_stack_depth, last_id instead of
1504 * cppinit.c (cpp_start_read): Initialize last_id instead of
1507 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1509 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1510 (c-semantics.o): New target.
1512 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1513 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1514 (genrtl_clear_out_block): Likewise.
1515 (genrtl_goto_stmt): Likewise.
1516 (genrtl_expr_stmt): Likewise.
1517 (genrtl_decl_stmt): Likewise.
1518 (genrtl_if_stmt): Likewise.
1519 (genrtl_while_stmt): Likewise.
1520 (genrtl_do_stmt): Likewise.
1521 (genrtl_return_stmt): Likewise.
1522 (genrtl_for_stmt): Likewise.
1523 (genrtl_break_stmt): Likewise.
1524 (genrtl_continue_stmt): Likewise.
1525 (genrtl_scope_stmt): Likewise.
1526 (genrtl_switch_stmt): Likewise.
1527 (genrtl_case_label): Likewise.
1528 (genrtl_begin_compound_stmt): Likewise.
1529 (gerntl_finish_compound_stmt): Likewise.
1530 (genrtl_compound_stmt): Likewise.
1531 (genrtl_asm_stmt): Likewise.
1532 (genrtl_decl_cleanup): Likewise.
1533 (DECL_ANON_UNION_ELEMS): Likewise.
1534 (emit_local_var): Likewise.
1535 (make_rtl_for_local_static): Likewise.
1536 (expand_cond): Likewise.
1537 (expand_stmt): Likewise.
1538 (c_expand_return): Likewise.
1539 (c_expand_start_case): Likewise.
1540 (do_case): Likewise.
1541 (COMPOUND_STMT_NO_SCOPE): Likewise.
1542 (c_expand_asm_operands): Likewise.
1543 (NEW_FOR_SCOPE_P): New macro.
1544 (expand_expr_stmt_fn): New type.
1546 (set_current_function_name_declared): Likewise.
1547 (current_function_name_declared): Likewise.
1548 (lang_expand_stmt): Likewise.
1549 (stmts_are_full_exprs_p): Likewise.
1550 (anon_aggr_type_p): Likewise.
1551 (lang_expand_expr_stmt): Likewise.
1552 (build_case_label): Likewise.
1554 * c-decl.c (lang_expand_expr_stmt): Initialize.
1555 (stmts_are_full_exprs_p): Define.
1556 (current_function_name_declared): Likewise.
1557 (do_case): Likewise.
1558 (lang_expand_stmt): Likewise.
1559 (set_current_function_name_declared): Likewise.
1560 (anon_aggr_type_p): Likewise.
1562 * c-semantics.c: New file.
1563 (expand_cond): Moved from cp/semantics.c.
1564 (genrtl_do_pushlevel): Likewise.
1565 (genrtl_clear_out_block): Likewise.
1566 (genrtl_goto_stmt): Likewise.
1567 (genrtl_expr_stmt): Likewise.
1568 (genrtl_decl_stmt): Likewise.
1569 (genrtl_if_stmt): Likewise.
1570 (genrtl_while_stmt): Likewise.
1571 (genrtl_do_stmt): Likewise.
1572 (genrtl_return_stmt): Likewise.
1573 (genrtl_for_stmt): Likewise.
1574 (genrtl_break_stmt): Likewise.
1575 (genrtl_continue_stmt): Likewise.
1576 (genrtl_scope_stmt): Likewise.
1577 (genrtl_switch_stmt): Likewise.
1578 (genrtl_case_label): Likewise.
1579 (genrtl_begin_compound_stmt): Likewise.
1580 (genrtl_finish_compound_stmt): Likewise.
1581 (genrtl_compound_stmt): Likewise.
1582 (genrtl_asm_stmt): Likewise.
1583 (genrtl_decl_cleanup): Likewise.
1584 (make_rtl_for_local_static): Moved from cp/decl.c.
1585 (emit_local_var): Likewise.
1586 (expand_stmt): Define.
1588 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1589 (c_expand_return): Likewise.
1590 (c_expand_start_case): Likewise.
1592 2000-07-01 Richard Henderson <rth@cygnus.com>
1594 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1595 with the low 13 bits set.
1596 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1597 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1598 of the low 13 bits into a CONST plus an adddi3.
1599 (load_symptr): Set RTX_UNCHANGING_P.
1601 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1603 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1604 * c-common.c (ridpointers): Declare.
1605 * c-common.h (enum rid): Declare.
1607 (ridpointers): Likewise.
1608 * c-lex.c (ridpointers): Don't declare.
1609 (init_lex): Initialize ridpointers.
1610 * c-lex.h (enum rid): Don't declare.
1612 (RID_FIRST_MODIFIER): Likewise.
1613 (ridpointers): Likewise.
1615 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1617 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1620 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1622 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1625 2000-06-30 Catherine Moore <clm@cygnus.com>
1627 * c-common.c (decl_attributes): Differentiate between
1628 types and type decls for alignment.
1630 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1632 * cpp.texi: Document #pragma GCC dependency
1633 * cppfiles.c (open_include_file): Set date to unknown.
1634 (_cpp_compare_file_date): New function.
1635 (read_include_file): Set file date.
1636 * cpphash.h (struct include_file): Add date member.
1637 (_cpp_compare_file_date): Prototype.
1638 * cpplib.c (parse_include): Add trail parameter. Adjust.
1639 (do_include): Adjust parse_include call.
1640 (do_import): Likewise.
1641 (do_include_next): Likewise.
1642 (gcc_pragmas): Add dependency pragma.
1643 (do_pragma_dependancy): New pragma.
1645 2000-06-29 Jason Merrill <jason@redhat.com>
1647 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1650 2000-06-29 Jim Wilson <wilson@cygnus.com>
1652 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1653 a volatile mem and FR_REGS.
1655 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1657 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1658 * c-common.h (flag_const_strings): Declare.
1659 (warn_format): Likewise.
1660 (flag_traditional): Likewise.
1661 (flag_isoc99): Likewise.
1662 (warn_parentheses): Likewise.
1663 (warn_conversion): Likewise.
1664 (C_TYPE_OBJECT_P): Likewise.
1665 (C_TYPE_INCOMPLETE_P): Likewise.
1666 (C_TYPE_FUNCTION_P): Likewise.
1667 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1668 (C_EXP_ORIGINAL_CODE): Likewise.
1669 (build_unary_op): Likewise.
1670 (build_binary_op): Likewise.
1671 (lvalue_p): Likewise.
1672 (default_conversion): Likewise.
1673 (common_type): Likewise.
1674 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1675 (C_TYPE_INCOMPLETE_P): Likewise.
1676 (C_TYPE_FUNCTION_P): Likewise.
1677 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1678 (C_EXP_ORIGINAL_CODE): Likewise.
1679 (common_type): Likewise.
1680 (default_conversion): Likewise.
1681 (build_binary_op): Likewise.
1682 (build_unary_op): Likewise.
1683 (lvalue_p): Likewise.
1684 (flag_const_strings): Likewise.
1685 (warn_format): Likewise.
1686 (warn_conversion): Likewise.
1687 (flag_traditional): Likewise.
1688 (flag_isoc99): Likewise.
1689 (warn_parentheses): Likewise.
1691 2000-06-29 James E. Wilson <wilson@cygnus.com>
1693 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1695 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1696 same. Only tie XFmode with XFmode.
1698 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1700 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1701 * Makefile.in: Update deps.
1703 2000-06-29 Andrew Haley <aph@cygnus.com>
1705 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1708 2000-06-29 Andrew Haley <aph@cygnus.com>
1710 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1711 bytes: remove the multiply by 8.
1713 2000-06-29 Philipp Thomas <pthomas@suse.de>
1715 * rtl.c : Revert NLS changes.
1716 * gcc.c : Fix bug in display_help introced by my last changes.
1718 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1720 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1721 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1723 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1725 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1727 2000-06-28 Philipp Thomas <pthomas@suse.de>
1729 * c-decl.c : Mark strings for translation.
1730 (parmlist_tags_warning): Use distinct messages instead
1731 of conditional expressions.
1732 * diagnostic.c (v_message_with_decl): Mark string for translation.
1733 * gcc.c: Mark messages for translation.
1734 (display_help): Combine messages into one string where necessary.
1735 * mips-tfile: Add intl.h. Mark messages for translation.
1736 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1737 messages for translation.
1738 * timevar.c: Mark messages for translation.
1739 * tlink.c: Likewise.
1740 * toplev.c: Likewise.
1742 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1744 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1746 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1747 use -isystem instead of -idirafter.
1748 * i386/i386-interix.h: Likewise.
1750 2000-06-28 Jason Merrill <jason@redhat.com>
1752 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1753 unless DWARF2_DEBUGGING_INFO is defined.
1754 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1756 2000-06-28 Richard Henderson <rth@cygnus.com>
1758 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1760 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1762 * cpplex.c (output_line_command): Output correct #line if a header
1763 is including itself and is not protected against multiple inclusion.
1765 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1767 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1768 ENFILE, close all cached file descriptors and try again.
1769 (_cpp_execute_include): Keep a count of the number of times
1770 each header is included.
1771 (close_cached_fd): New function.
1772 * cpphash.h (struct include_file): Rename before to
1773 include_count; all users updated. Make include_count and sysp
1775 * cppinit.c (cpp_finish): If -H, report headers that could use
1777 (report_missing_guard): New function.
1779 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1781 * i386.md (prologue_set_got): Set length_immediate field.
1782 (testqi_ccno_1): Add missing '@' character.
1784 2000-06-27 Jason Merrill <jason@redhat.com>
1786 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1789 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1791 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1792 unsigned macros available.
1794 2000-06-27 Richard Henderson <rth@cygnus.com>
1796 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1797 epilogue_deallocate_stack.
1799 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1800 completers for UNORDERED and ORDERED as well.
1801 * config/ia64/ia64.md (bunordered, bordered): New.
1802 (sunordered, sordered): New.
1804 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1806 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1807 * i386.c (ix86_attr_length_default): Kill.
1808 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1810 * i386-protos.h (ix86_attr_length_default): Kill
1811 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1813 * i386.md (attribute type): Add "test".
1814 (attribute length_prefix): Kill.
1815 (attribute length_opcode): Kill.
1816 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1817 prefix_rep, prefix_0f, modrm): New.
1818 (attribute length): Compute using the new attributes.
1819 (attribute pent_prefix): New.
1820 (attribute pent_pair): Compute using pent_prefix.
1821 (all insn patterns): Set mode,modrm and immediate_length attributes where
1823 (cmpsi patterns): Compute sizes propertly for test instruction.
1824 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1825 (movstricthi_xor, movstrictqi_xor): New patterns.
1826 (andsi/andhi): Use splitters to generate xor instructions.
1827 (xorqi_ext_1): New pattern.
1828 (movstricthi->movstricthi_xor peep2): New.
1830 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1832 * i386.md (addqi_low_1): Remove.
1834 2000-06-27 Philipp Thomas <pthomas@suse.de>
1836 * 1750a.h: Mark help strings for options/switches for translation.
1838 * alpha.h: Likewise.
1841 * riscix.h: Likewise.
1843 * clipper.h: Likewise.
1844 * convex.h: Likewise.
1845 * elxsi.h: Likewise.
1848 * h8300.h: Likewise.
1850 * cygwin.h: Likewise.
1852 * djgpp.h: Likewise.
1854 * osf1elf.h: Likewise.
1855 * osfrose.h: Likewise.
1857 * win32.h: Likewise.
1859 * paragon.h: Likewise.
1863 * mcore.h: Likewise.
1865 * mn10300.h: Likewise.
1866 * ns32k.h: Likewise.
1867 * pdp11.h: Likewise.
1870 * aix41.h: Likewise.
1871 * aix43.h: Likewise.
1873 * rs6000.h: Likewise.
1874 * sysv4.h: Likewise.
1875 * linux.h: Likewise.
1876 * linux64.h: Likewise.
1877 * sp64-elf.h: Likewise.
1878 * sparc.h: Likewise.
1879 * splet.h: Likewise.
1881 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1883 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1884 Properly document option and mark for translation.
1885 * sp86x-elf.h: Likewise.
1887 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1889 Add MMX and SSE registers to i386 machine description.
1890 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1891 ix86_local_alignment): Declare.
1893 * i386.h (TARGET_MMX, TARGET_SSE): New.
1894 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1895 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1896 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1897 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1898 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1899 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1900 (RETURN_IN_MEMORY): Handle MMX/SSE.
1901 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1902 also get stack space.
1903 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1904 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1905 (MMX_REGISTER_NAMES): New.
1906 (ALIGN_MODE_128): New macro.
1907 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1908 (DATA_ALIGNMENT): Likewise.
1909 (LOCAL_ALIGNMENT): Likewise.
1910 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1911 TARGET_MMX/TARGET_SSE.
1912 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1913 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1914 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1915 SSE/MMX regs and something else.
1916 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1917 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1918 3 if moving between MMX regs and something else.
1920 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1921 (regclass_map): Add MMX/SSE registers.
1922 (print_operand): Add code to print XMMWORD as appropriate.
1923 (ix86_split_movdi): Abort for MMX regs.
1924 (init_cumulative_args): Also allow SSE_REGS
1925 (function_arg_advance, function_arg): Likewise
1926 (print_reg): Support 'm'. Add case for TImode.
1927 (override_options): TARGET_SSE implies TARGET_MMX.
1928 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1931 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1933 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1935 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1936 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1938 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1940 * ssa.c (struct rename_set_data): Change the name of field
1941 'set_dest' to 'old_reg'. Add comments.
1942 (struct rename_context): Change the name of 'set_data' to
1943 'new_renames'. Add new field 'done_renames'.
1944 (create_delayed_rename): New function.
1945 (apply_delayed_renames): New function.
1946 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1947 SUBREGs and similar by emitting a move.
1948 (new_registers_for_updates): Delete, functionality moved to
1949 apply_delayed_renames.
1950 (rename_block): Handle moves emitted by rename_insn_1 by putting
1951 them into a SEQUENCE with the original insn. Add sanity checks
1953 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1954 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1956 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1957 Jason Merrill <jason@redhat.com>
1959 * dwarf2.h (enum dwarf_call_frame_info): Add
1960 DW_CFA_def_cfa_expression.
1961 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1962 dw_loc_descr_struct entry.
1963 (struct cfa_loc): New structure to track a CFA location.
1964 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1965 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1966 offset, plus handle DW_CFA_def_cfa_expression.
1967 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1969 (dwarf2out_def_cfa): Entry point maintained for compatability.
1970 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1971 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1972 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1973 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1975 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1976 sequences for the new DW_CFA_def_cfa_expression record.
1977 (dwarf2out_frame_debug): Use new variables/fields.A
1978 (output_cfi): Handle DW_CFA_def_cfa_expression.
1979 (output_cfa_loc): New function to generate a CFI record for
1980 DW_CFA_def_cfa_expression.
1981 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
1982 a dw_loc_descr sequeunce.
1983 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
1984 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
1985 size_of_locs, output_loc_operands, output_loc_sequence): Move into
1986 unwind info section.
1987 * frame.h (frame_state): Add base_offset and indirect fields.
1988 * frame-dwarf2.c (decode_stack_op): New function to interpret a
1989 dw_loc_descr operation.
1990 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
1991 (struct frame_state): Add base offset and indirect fields.
1992 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
1994 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
1996 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
1997 Make warnings about implicit int be pedwarns in C99. Don't warn
1998 about duplicate type qualifiers in C99.
1999 (start_function): Make warning about implict int return type be a
2001 * c-lex.c (yylex): Don't warn about `long long' in C99.
2002 * c-typeck.c (c_expand_return): In C99, always pedwarn about
2003 `return' with no value in function returning non-void.
2005 2000-06-26 Richard Henderson <rth@cygnus.com>
2007 * c-typeck.c (pedwarn_c99): New.
2008 * diagnostic.c (verror, vwarning, vpedwarn): Export.
2009 * toplev.h: Prototype them.
2011 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2013 * c-typeck.c (digest_init): Return error_mark_node node when
2014 TREE_TYPE (init) == error_mark_node.
2016 2000-06-26 Philipp Thomas <pthomas@suse.de>
2018 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
2019 test for msgfmt without path instead.
2020 * configure: Rebuilt.
2022 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2024 * gengenrtl.c (special_rtx): Fix typo in comment.
2026 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2028 * mklibgcc.in (LIB2FUNCS): Add missing space.
2030 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2032 * tree.h (enum tree_index): Add vector type nodes.
2033 Add accessor macros for them.
2034 (TYPE_REPRESENATION_TYPE): New macro.
2035 * tree.c (build_common_tree_nodes_2): Build these nodes.
2036 (finish_vector_type): New function.
2037 * c-common.c (type_for_mode): Handle vector modes.
2038 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
2040 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
2041 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
2042 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
2043 (gen_type_die): Likewise.
2044 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
2045 (fundamental_type_code): Likewise.
2046 (type_is_fundamental): VECTOR_TYPEs aren't.
2047 (output_type): Handle VECTOR_TYPEs.
2049 2000-06-25 Kazu Hirata <kazu@hxi.com>
2051 * config/arm.c: Fix a comment typo.
2052 * config/arm.h: Likewise.
2054 2000-06-25 Philipp Thomas <pthomas@suse.de>
2056 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
2058 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
2059 * configure: Rebuilt.
2061 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
2063 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2065 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2067 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2070 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
2072 * collect2.c (resolve_lib_name): Move '/' check out of loop.
2074 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
2076 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2078 2000-06-24 Jakub Jelinek <jakub@redhat.com>
2080 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
2081 last_unconditional_cleanup.
2083 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2085 * tree.def (VECTOR_TYPE): New node type.
2086 * tree.h: Adjust some comments to reflect addition of vector types.
2087 (TYPE_VECTOR_SUBPARTS): New macro.
2088 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2089 * c-convert.c (convert): Likewise.
2090 * convert.c (convert_to_integer): Handle vector modes.
2091 (convert_to_vector): New function.
2092 * convert.h (convert_to_vector): Declare.
2093 * expr.c (convert_move): Handle vector modes.
2094 * expmed.c (extract_bit_field): Don't abort for vector modes.
2096 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2098 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2099 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2100 New functions, common code moved from function_{prologue,epilogue}
2101 and extended to support the -mtiny-stack option.
2102 (function_prologue, function_epilogue): Use them.
2103 Use lo8/hi8 consistently for asm output readability.
2104 (avr_hard_regno_mode_ok): New function.
2105 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2106 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2107 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2108 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2109 Write SPH before SPL.
2110 (*movqi): No need to disable interrupts for just one "out"
2111 in alternative 5. Change length attribute from 4 to 1.
2112 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2113 Write SPH before SPL.
2115 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2117 * rtl.texi (Vector Operations): New node.
2118 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2119 (Conversions): Add ss_truncate, us_truncate.
2120 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2121 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2122 US_TRUNCATE): New rtx codes.
2123 * machmode.def: Add vector modes.
2124 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2126 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2127 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2128 (VECTOR_MODE_P): New.
2130 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2132 * cpp.texi: Clarify #pragma GCC namespace.
2134 2000-06-24 Philipp Thomas <pthomas@suse.de>
2136 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2137 all catalogs specified in ALL_LINGUAS.
2138 * configure: Rebuilt.
2140 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2142 * config/sparc/sparc.md (reload_outdi+1): Handle
2143 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2144 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2146 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2148 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2149 struct vs. scalar-ness when -fno-strict-aliasing.
2151 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2153 * cpplib.c (struct pragma_entry): New structure.
2154 (pragma_dispatch): Pragma dispatcher.
2155 (top_pragmas, gcc_pragmas): New static variables.
2156 (do_pragma): Use pragma_dispatch.
2157 (do_pragma_gcc): New pragma handler.
2160 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2162 * calls.c (compute_argument_addresses): Force stack slots into
2164 * expr.c (emit_push_insn): Force pushes into alias set 0.
2166 2000-06-23 Richard Henderson <rth@cygnus.com>
2168 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2169 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2171 2000-06-22 Jason Merrill <jason@redhat.com>
2173 * toplev.c (compile_file): Always call timevar_print.
2174 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2176 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2178 * varasm.c (constant_descriptor): Make contents unsigned char.
2179 (mark_const_hash_entry): Adjust.
2180 (const_hash): Just hash the code of unknown nodes.
2181 (compare_constant_1): Adjust for unsigned char.
2182 Use language specific expander on unknown nodes.
2183 (record_constant_1): Likewise.
2185 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2187 * cppfiles.c (cpp_make_system_header): New function.
2188 * cpplib.h: Prototype it.
2189 * cpplib.c (do_line, do_pragma_system_header): Use it.
2190 * fix-header.c (read_scan_file): Use it.
2192 * fix-header.c (check_macro_names): Cast second arg of
2193 cpp_defined to const unsigned char *.
2194 (read_scan_file): Make getchar_call const unsigned char.
2196 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2198 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2199 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2200 (destroy_include_file_node): New.
2201 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2202 Create a splay tree, not a hash table.
2203 (open_include_file): Look up the path in the include table,
2204 do the multiple include optimization here, etc.
2205 (cpp_included): Walk the path.
2206 (find_include_file): Just walk the path calling
2207 open_include_file, or call it directly for an absolute path.
2208 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2210 (read_include_file): Update for new scheme. Don't close the
2211 file unless reading fails.
2212 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2214 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2215 (struct include_file): New.
2216 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2218 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2221 * cppinit.c: Include splay-tree.h.
2222 (cpp_reader_init, cpp_cleanup): Update.
2224 * cpplib.h (struct cpp_buffer): Change ihash field to
2225 'struct include_file *inc'. Remove system_header_p.
2226 (struct cpp_reader): Change all_include_files to a
2227 struct splay_tree_s *.
2229 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2230 cpp_buffer->system_header_p.
2231 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2233 * Makefile.in (SPLAY_TREE_H): New macro.
2234 (cppfiles.o, cppinit.o): Update dependencies.
2236 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2238 * invoke.texi (g++): "g++" is not a script anymore.
2240 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2242 * function.c (round_down): Delete obsolete prototype.
2244 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2246 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2248 * configure.in: Use 'test a = b' not 'test a == b'.
2251 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2253 * Makefile.in: Remove all references to HOST_INTLLIBS.
2255 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2258 2000-06-20 Philipp Thomas <pthomas@suse.de>
2260 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2263 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2265 * Take REG_INC notes into account.
2267 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2269 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2270 (primary: IDENTIFIER): Just call build_external_ref.
2271 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2273 * c-lex.c (lastiddecl): Remove.
2274 (yylex): Replace all instances of lastiddecl with local
2277 * c-typeck.c (build_external_ref): New function. Treat decls
2278 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2279 Look up the decl from the id here. Call lookup_objc_ivar.
2280 * c-lang.c (lookup_objc_ivar): Stub.
2281 * objc/objc-act.c (lookup_objc_ivar): New function.
2283 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2284 * c-lex.h: Don't declare lastiddecl.
2286 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2288 * c-common.h (IF_COND): Added documentation.
2289 (THEN_CLAUSE): Likewise.
2290 (ELSE_CLAUSE): Likewise.
2291 (WHILE_COND): Likewise.
2292 (WHILE_BODY): Likewise.
2293 (DO_COND): Likewise.
2294 (DO_BODY): Likewise.
2295 (RETURN_EXPR): Likewise.
2296 (EXPR_STMT_EXPR): Likewise.
2297 (FOR_INIT_STMT): Likewise.
2298 (FOR_COND): Likewise.
2299 (FOR_EXPR): Likewise.
2300 (FOR_BODY): Likewise.
2301 (SWITCH_COND): Likewise.
2302 (SWITCH_BODY): Likewise.
2303 (CASE_LOW): Likewise.
2304 (CASE_HIGH): Likewise.
2305 (GOTO_DESTINATION): Likewise.
2306 (COMPOUND_BODY): Likewise.
2307 (ASM_CV_QUAL): Likewise.
2308 (ASM_STRING): Likewise.
2309 (ASM_OUTPUTS): Likewise.
2310 (ASM_INPUTS): Likewise.
2311 (ASM_CLOBBERS): Likewise.
2312 (DECL_STMT_DECL): Likewise.
2313 (STMT_EXPR_STMT): Likewise.
2314 (LABEL_STMT_LABEL): Likewise.
2316 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2317 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2318 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2319 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2321 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2323 * configure.in (--enable-checking): Update --help doc to reflect
2324 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2326 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2328 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2330 * function.c (put_var_into_stack): Don't reference DECL_ fields
2331 if input is a SAVE_EXPR.
2332 Use set_mem_attributes in COMPLEX case.
2334 2000-06-18 Richard Henderson <rth@cygnus.com>
2336 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2337 (ia64_file_start): Declare.
2338 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2339 (GR_REGNO_P): Likewise.
2340 * config/ia64/ia64.c: Many prototypes.
2341 (ia64_reg_numbers): Constify.
2342 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2343 (ia64_section_threshold): Make unsigned.
2344 (ia64_print_operand): Constify.
2345 (fix_range): Constify.
2346 (ia64_init_builtins): Don't compare signed vs unsigned.
2347 (ia64_expand_builtin): Likewise.
2349 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2350 (CONSTRAINT_OK_FOR_Q): New.
2351 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2352 (movsf_internal, movdf_internal): Likewise.
2353 (cmovdi_internal): Rewrite so that constraints and predicates match;
2355 (cmovsi_internal): Likewise.
2357 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2358 (ASM_FILE_START): New.
2359 * config/ia64/ia64.c (ia64_file_start): New.
2360 (rtx_needs_barrier): Handle pred.rel.mutex.
2361 (emit_predicate_relation_info): New.
2362 * config/ia64/ia64.md (pred_rel_mutex): New.
2363 * config/ia64/linux.h (ASM_SPEC): Define.
2364 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2366 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2367 filtering global register variables.
2369 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2371 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2373 2000-06-17 Michael Meissner <meissner@redhat.com>
2375 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2376 not present and there is a field after a '-'.
2378 2000-06-17 Bruce Korb <bkorb@gnu.org>
2380 * fixinc/check.tpl: finish the implementation of multiple tests
2382 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2383 (io_quotes_def): add a second test
2384 (various): reorder `files' so that "limits.h" is never first
2385 * fixinc/tests/base/*: update the testing output
2387 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2389 * gcc.texi: Remove reference to stupid.c.
2391 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2393 * c-common.c (c_tree_code_type): New array.
2394 (c_tree_code_length): Likewise.
2395 (c_tree_code_name): Likewise.
2396 (add_c_tree_codes): New function.
2398 * c-common.h (add_c_tree_codes): Declare.
2399 (enum c_tree_code): New enum.
2401 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2403 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2405 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2406 select pattern to also match macro defs with only one argument.
2408 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2410 * i386.md: Create new [right,left] rotate and right shift
2411 patterns to optimize shift by 1 bit for certain ia32 processors.
2412 Update patterns which perform left shifts to optimize shift by
2413 1 bit for certain ia32 processors.
2414 * i386.c (const_int_1_operand): New predicate.
2415 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2416 * i386-protos.h (const_int_1_operand): Prototype.
2418 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2420 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2422 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2424 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2427 2000-06-14 Richard Henderson <rth@cygnus.com>
2429 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2431 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2434 * print-rtl.c (print_rtx): Emit space before mem alias set.
2436 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2438 * rs6000.c (expand_block_move): Fix typo in earlier change.
2439 (print_operand): Remove unused variables neg and op.
2440 (toc_hash_mark_entry): Fix prototype.
2442 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2444 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2445 (THEN_CLAUSE): Likewise.
2446 (ELSE_CLAUSE): Likewise.
2447 (WHILE_COND): Likewise.
2448 (WHILE_BODY): Likewise.
2449 (DO_COND): Likewise.
2450 (DO_BODY): Likewise.
2451 (RETURN_EXPR): Likewise.
2452 (EXPR_STMT_EXPR): Likewise.
2453 (FOR_INIT_STMT): Likewise.
2454 (FOR_COND): Likewise.
2455 (FOR_EXPR): Likewise.
2456 (FOR_BODY): Likewise.
2457 (SWITCH_COND): Likewise.
2458 (SWITCH_BODY): Likewise.
2459 (CASE_LOW): Likewise.
2460 (CASE_HIGH): Likewise.
2461 (GOTO_DESTINATION): Likewise.
2462 (COMPOUND_BODY): Likewise.
2463 (ASM_CV_QUAL): Likewise.
2464 (ASM_STRING): Likewise.
2465 (ASM_OUTPUTS): Likewise.
2466 (ASM_INPUTS): Likewise.
2467 (ASM_CLOBBERS): Likewise.
2468 (DECL_STMT_DECL): Likewise.
2469 (STMT_EXPR_STMT): Likewise.
2470 (LABEL_STMT_LABEL): Likewise.
2471 (SCOPE_BEGIN_P): Likewise.
2472 (SCOPE_END_P): Likewise.
2473 (SCOPE_STMT_BLOCK): Likewise.
2474 (SCOPE_NULLIFIED_P): Likewise.
2475 (SCOPE_NO_CLEANUPS_P): Likewise.
2476 (SCOPE_PARTIAL_P): Likewise.
2477 (ASM_VOLATILE_P): Likewise.
2478 (STMT_LINENO): Likewise.
2479 (STMT_LINENO_FOR_FN_P): Likewise.
2481 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2482 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2483 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2484 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2485 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2487 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2489 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2491 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2492 writable in parts of the GCC code.
2494 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2495 specification match cast.
2497 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2499 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2500 * configure, config.in: Rebuilt.
2501 * sys-protos.h: Similarly.
2503 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2505 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2506 * basic-block.h (EDGE_COMPLEX): ... here.
2508 * loop.c (check_dbra_loop): Specify the register when
2509 generating REG_NONNEG notes and don't generate duplicates.
2511 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2513 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2514 (struct tree_type, struct tree_decl): Add user_align member.
2515 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2516 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2517 and DECL_USER_ALIGN 0, cap alignment to this value.
2518 (place_field): Likewise.
2519 (finalize_type_size): Set TYPE_USER_ALIGN.
2520 (layout_type): Likewise.
2521 (initialize_sizetypes): Likewise.
2522 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2523 DECL_USER_ALIGN to 1.
2524 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2525 (xfer_tag): Set TYPE_USER_ALIGN.
2526 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2527 (finish_enum): Likewise.
2528 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2529 (expand_anon_union_decl): Likewise.
2530 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2531 (build_index_type): Set TYPE_USER_ALIGN.
2532 (build_range_type): Likewise.
2533 (build_common_tree_nodes_2): Likewise.
2534 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2536 2000-06-13 Andreas Jaeger <aj@suse.de>
2538 * configure.in: Use --enable-checking=misc,tree,gc by default if
2539 no --enable-checking option is given and for
2540 --enable-checking=yes.
2541 * configure: Rebuilt.
2543 2000-06-13 Richard Henderson <rth@cygnus.com>
2545 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2546 (__throw): Don't pass the address of a label.
2548 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2549 current_function_is_leaf.
2550 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2551 instead of reg_names[RETURN_ADDRESS_REGNUM].
2552 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2553 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2554 from RETURN_ADDRESS_REGNUM. Update all uses.
2555 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2556 zero instead of null on failure.
2557 (ELIMINABLE_REGS): Add ra->b0 elimination.
2558 (CAN_ELIMINATE): Update accordingly.
2559 (INITIAL_ELIMINATION_OFFSET): Likewise.
2560 (REGISTER_NAMES): Use an illegal assembler name for
2561 RETURN_ADDRESS_POINTER_REGNUM.
2563 2000-06-13 Richard Henderson <rth@cygnus.com>
2565 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2566 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2567 (REG_CLASS_NAMES): Likewise.
2568 (REG_CLASS_CONTENTS): Likewise.
2569 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2570 (HARD_REGNO_MODE_OK): Remove references to them.
2571 (REGNO_REG_CLASS): Likewise.
2572 (REG_CLASS_FROM_LETTER): Likewise.
2573 (CLASS_MAX_NREGS): Likewise.
2574 (REGISTER_MOVE_COST): Likewise.
2575 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2576 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2577 (movqi_internal): Special case moves from zero.
2578 (movhi_internal, movsi_internal): Likewise.
2579 (movdi_internal): Likewise. Fill out "f" constraints.
2580 (movsf_internal): Fill out "r" constraints.
2581 (movdf_internal): Likewise.
2583 2000-06-13 Richard Henderson <rth@cygnus.com>
2585 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2586 alive before reload.
2588 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2589 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2590 (remove_dependence): Always define.
2591 (set_sched_group_p): New.
2592 (sched_analyze_2): Use it.
2593 (sched_analyze_insn): Don't special-case naked uses. Look for
2594 and extend in_post_call_group_p.
2595 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2596 (init_deps): Clear in_post_call_group_p.
2598 2000-06-13 Richard Henderson <rth@cygnus.com>
2600 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2601 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2602 and hard-coded tests.
2603 (simplify_set): Likewise.
2604 (gen_lowpart_for_combine): Likewise.
2605 * emit-rtl.c (gen_lowpart_common): Likewise.
2606 * global.c (find_reg): Likewise.
2607 * local-alloc.c (find_free_reg): Likewise.
2608 * recog.c (register_operand): Likewise.
2609 * regclass.c (init_reg_sets_1): Likewise.
2610 (record_operand_costs, regclass): Likewise.
2611 * reload.c (push_reload): Likewise.
2612 * reload1.c (choose_reload_regs): Likewise.
2613 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2614 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2615 Update all references.
2616 * regs.h (struct reg_info_def): Likewise.
2617 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2618 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2619 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2621 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2622 (CLASS_CANNOT_CHANGE_MODE_P): New.
2623 * config/mips/mips.h: Likewise.
2624 * config/pa/pa32-regs.h: Likewise.
2625 * config/pa/pa64-regs.h: Likewise.
2626 * config/rs6000/rs6000.h: Likewise.
2627 * config/sh/sh.h: Likewise.
2628 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2629 (CLASS_CANNOT_CHANGE_MODE_P): New.
2630 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2631 * config/d30v/d30v.h: Likewise.
2633 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2635 * configure.in: Add AC_TYPE_GETGROUPS test.
2636 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2637 * configure: Rebuilt.
2638 * config.in: Rebuilt.
2640 2000-06-13 Richard Henderson <rth@cygnus.com>
2642 * explow.c (set_mem_attributes): Do nothing for NULL type.
2644 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2646 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2649 2000-06-13 James E. Wilson <wilson@cygnus.com>
2651 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2653 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2655 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2657 2000-06-13 Philipp Thomas <pthomas@suse.de>
2659 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2660 * configure: Rebuilt.
2662 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2664 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2665 We now default to ELF for the i386, and a.out is the special case.
2666 * configure: Rebuilt.
2668 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2670 * final.c (final_scan_insn): Delete notes between cc0 setter and
2671 user when restarting from setter.
2673 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2675 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2676 cast to squelch signed/unsigned warnings.
2678 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2680 * cpplib.c (handle_directive): Print non-NUL-terminated string
2683 2000-06-12 Michael Meissner <meissner@redhat.com>
2685 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2686 path if the machine needs extra support to do conditional
2689 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2691 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2692 to print the alias set.
2693 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2695 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2697 * config/float-vax.h: Add GFLOAT defines.
2699 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2701 * configure.in: Update tm dependencies for MPE.
2702 * configure: Rebuilt.
2704 2000-06-12 H.J. Lu <hjl@gnu.org>
2706 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2708 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2710 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2711 (CPP_SPEC): Change mthreads to pthread.
2712 (LIB_SPEC): Likewise.
2713 (STARTFILE_SPEC): Likewise.
2714 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2715 (CPP_SPEC): Change mthreads to pthread.
2716 (LIB_SPEC): Likewise.
2717 (STARTFILE_SPEC): Likewise.
2718 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2719 * rs6000.c (reg_or_arith_cint_operand): New.
2720 (num_insns_constant_wide): Decorate unsigned constant.
2721 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2722 * rs6000.md (addsi3): Use new predicate.
2723 (subsi3, adddi3, subdi3): Likewise.
2725 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2727 * c-common.c (lang_get_alias_set): Fix typo.
2729 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2731 * flow.c (mark_used_regs): Revert last change.
2732 (life_analysis): Remove PROP_AUTOINC if running after reload.
2733 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2735 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2737 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2740 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2742 * bb-reorder.c (build_scope_forest): Initialize variable
2745 * calls.c (expand_call): Likewise for variables
2746 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2748 * i386.c (function_arg_advance, function_arg): Cast to avoid
2749 signed/unsigned warnings.
2751 * i386.h (MEMORY_MOVE_COST): Likewise.
2753 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2754 `else_start' and `else_end'.
2756 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2758 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2760 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2762 * Makefile.in (libintl.a): Depend on intl.all.
2764 2000-06-09 H.J. Lu (hjl@gnu.org)
2766 * Makefile.in (c-parse.o): Also depend on output.h.
2768 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2770 * mcore-protos.h: discards const warning removal.
2771 * mcore.c: discards const warning removal.
2773 2000-06-09 Kazu Hirata <kazu@hxi.com>
2775 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2776 the beginning of the file.
2778 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2780 * real.h: Add prototype for ldexp.
2782 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2784 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2785 it ggc_alloc, drop second argument, never clear returned memory.
2786 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2787 (ggc_alloc_cleared): New.
2788 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2789 ggc_alloc_obj. Remove ggc_alloc macro.
2790 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2792 * rtl.c (rtvec_alloc): Clear the vector always.
2793 (rtx_alloc): Clear the first word always. Remove dirty
2794 obstack tricks (this routine is no longer a bottleneck).
2795 * tree.c (make_node): Clear the new node always.
2796 (make_tree_vec): Likewise.
2797 (tree_cons): Clear the common structure always.
2798 (build1): Likewise; also, clear TREE_COMPLEXITY.
2799 * gengenrtl.c: Use puts wherever possible. Remove extra
2801 (gendef): Clear the first word of an RTX in the generator
2802 function, irrespective of ggc_p. Initialize '0' slots to
2804 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2805 thin wrapper macro around obstack_alloc.
2807 * stmt.c (expand_fixup): Use ggc_alloc.
2808 * c-typeck.c (add_pending_init): Use ggc_alloc.
2809 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2810 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2811 const0_rtx when it is created.
2812 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2813 we are not in a function.
2815 * tree.c (tree_class_check_failed): Make second arg an int.
2816 * tree.h: Update prototype.
2818 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2820 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2821 of an error_mark_node.
2823 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2825 * config/avr/avr.c (asm_output_section_name): bugfix.
2827 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2829 * timevar.def: Add TV_EXPAND.
2830 * timevar.c (timevar_print): Update timing information.
2831 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2833 * stmt.c (expand_return): Check for error_mark_node.
2835 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2837 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2839 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2840 variable against filename expansion when it contains "char *".
2842 * system.h (SSIZE_MAX): Delete backup definition.
2844 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2845 instead of SSIZE_MAX.
2847 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2849 * configure.in: Check whether gas supports -relax.
2850 * configure, config.in: Rebuilt.
2851 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2852 (EXTRA_SPECS): Add asm_relax.
2853 (ASM_SPEC): Add %(asm_relax).
2854 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2855 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2856 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2857 (ASM_SPEC): Add %(asm_relax).
2858 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2859 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2860 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2861 instead of mov, so that gas can further optimize it.
2863 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2865 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2867 (value_format, case dw_val_class_const): Use sdata format.
2868 (output_die): Call output_sleb128.
2870 2000-06-08 James E. Wilson <wilson@cygnus.com>
2872 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2873 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2874 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2875 (output_die, case dw_val_class_unsigned_const): Correct call to
2876 ASM_OUTPUT_DWARF_DATA8.
2877 (output_die, case dw_val_class_long_long): Use
2878 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2879 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2882 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2883 (output_function_prologue): Fix mispelling.
2884 (output_function_prologue, output_function_epilogue): Reorder to
2885 match ia64.c definition order.
2886 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2887 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2888 Use r3 instead of r2 for large stack restores.
2889 (ia64_output_end_prologue): New function.
2890 (process_set): Emit ".restore sp" for epilogue stack restores.
2891 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2893 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2895 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2898 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2900 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2902 2000-06-08 Denis Perchine <dyp@perchine.com>
2904 * frame.c (start_fde_sort): Don't malloc (0).
2906 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2908 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2910 * print-tree.c (print_node): The transparent_union_flag means
2911 different things for unions and arrays. Do not inspect it
2912 with TYPE_TRANSPARENT_UNION.
2914 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2916 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2919 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2921 * config/avr/avr.c (asm_output_section_name): output section
2923 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2925 2000-06-06 James E. Wilson <wilson@cygnus.com>
2927 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2928 fields into header field.
2929 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2930 macros to access length, flags, and version info from header field.
2931 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2932 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2933 (__do_global_ctors_aux): Fix caller.
2934 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2935 prologue_flag to header. Pass to read_P_record.
2936 (read_P_record): New argument header. Implement P4 format.
2937 Multiply P7_T_SIZE by 16.
2938 (execute_one_ia64_descriptor): New static local region_header. Pass to
2939 get_unwind_record. Copy r to region_header if r is a header record.
2940 (print_all_records): Likewise.
2941 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2942 (__get_personality, __get_except_table): Likewise.
2943 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2945 2000-06-06 Philipp Thomas <pthomas@suse.de>
2947 * configure.in (AC_C_INLINE): Added.
2948 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2949 * configure: Regenerate.
2951 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2953 * c-common.h (c_language_kind): New type.
2954 (c_language): New variab.e
2955 * c-common.c (lang_get_alias_set): Don't put structures in
2956 non-zero alias sets in C++.
2957 * c-decl.c (c_language): Define it.
2958 * c-lex.c (doing_objc_thang): Remove.
2959 * c-tree.h (doing_objc_thang): Make it a macro.
2960 * objc/objc-act.c (lang_decode_option): Set c_language, not
2963 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2965 * diagnostic.c (output_maximum_width): Remove.
2966 (doing_line_wrapping): Tweak.
2967 (diagnostic_buffer): New object.
2968 (global_output_buffer): New object.
2969 (output_destroy_prefix): New function.
2970 (default_initialize_buffer): Likewise.
2971 (reshape_diagnostic_buffer): Likewise.
2972 (initialize_diagnostics): Likewise.
2973 (output_clear): Tweak.
2974 (line_wrapper_printf): Adjust call to init_output_buffer.
2975 (vline_wrapper_message_with_location): Likewise. Use
2976 output_destroy_prefix.
2977 (v_message_with_decl): Likewise.
2979 * diagnostic.h (struct output_buffer): Constify prefix.
2980 (init_output_buffer, output_get_prefix): Constify.
2981 (diagnostic_message_length_per_line): Likewise.
2982 (reshape_diagnostic_buffer): Declare.
2983 (default_initialize_buffer): Declare.
2984 (initialize_diagnostics): Declare.
2985 (diagnostic_buffer): Declare new obbject.
2987 * toplev.c: #include diagnostic.h
2988 (display_help): Document diagnostic formatting options.
2989 (decode_f_option): Handle diagnostic formatting options.
2990 (main): Setup initialization for diagnostic messages outputter.
2992 * toplev.h (set_message_length): Remove.
2994 * Makefile.in (toplev.o): Depends upon diagnostic.h
2996 * invoke.texi : Document diagnostics formatting options.
2998 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
3000 * configure.in (Make the links): Typo fix : the file that must be
3001 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
3002 * configure: File rebuilt.
3004 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
3006 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
3007 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
3009 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
3010 emergency eh_context buffer, if malloc fails.
3011 (__eh_free): Moved from cp/exception.cc. Release to emergency
3012 eh_context buffer, if appropriate.
3014 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
3016 * expr.c (store_expr): Fix typo.
3018 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3020 * m68k.c (legitimize_pic_address): Move prototype ...
3022 * m68k-protos.h (legitimize_pic_address): ... here.
3024 * m68k.md (legitimize_pic_address): Delete prototypes.
3025 (untyped_call): Invoke GEN_CALL(), not gen_call().
3027 * nextstep.c: Include system.h and toplev.h.
3028 (get_directive_line): Don't prototype.
3029 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
3031 * nextstep.h (handle_pragma): Prototype.
3032 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
3033 objc_section_init ...
3034 (EXTRA_SECTION_FUNCTIONS): ... here.
3036 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3038 * sdbout.c (struct sdb_file): NAME now const.
3039 (sdbout_init): input_file_name now const.
3040 (sdbout_start_new_source_file): FILENAME now const.
3041 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
3043 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3045 * c-typeck.c (build_conditional_expr): Handle complex data types.
3047 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3049 * explow.c (maybe_set_unchanging): New function, broken out from...
3050 (set_mem_attributes): Here.
3051 * expr.h: Declare it.
3052 * stmt.c (expand_decl): Call it.
3054 2000-06-05 Richard Henderson <rth@cygnus.com>
3056 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
3057 while looking for a register to inherit from.
3059 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3061 * Makefile.in (libgcc.ready): Lose.
3062 (libgcc.mk): Just use mv, not move-if-change.
3063 (LIBGCC_DEPS): New macro.
3065 (stmp-multilib): Likewise.
3066 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
3067 it rather than the directories themselves.
3068 (LIB2ADD): Depend on the list file rather than 'force'.
3070 * fold-const.c (fold, case COND_EXPR): Elide conversion between
3071 cv-qualified versions of types.
3073 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3075 * config/sparc/sparc.c (short_branch): Correct error in range
3078 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3080 * fixinc/inclhack.def: New include hacks for ultrix.
3081 * (nested_ultrix): Replaced by ultrix_nested_svc.
3082 * (ultrix_atof_param): test_text string added.
3083 * (ultrix_ifdef): Modified select string.
3085 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
3087 * objc/objc-act.c (generate_method_descriptors): Register
3088 objc_method_prototype_template as a GC root.
3089 (comp_method_with_proto): Register function_type as a GC root.
3090 (comp_proto_with_proto): Replace function_type1 and
3091 function_type2 with a two-element array; register it as a GC root.
3093 (generate_protocols, build_protocol_initializer,
3094 generate_protocol_list, build_category_initializer,
3095 build_shared_structure_initializer): Do not cache cast_type
3098 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3100 * function.c (assign_parms): Add missing argument to set_mem_attributes
3103 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3105 * tree.h (VOID_TYPE_P): New macro.
3106 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3107 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3108 (get_parm_info): Likewise.
3109 (store_parm_decls): Likewise.
3110 (combine_parm_decls): Likewise.
3111 (finish_function): Likewise.
3112 * c-typeck.c (build_function_call): Likewise.
3113 (build_binary_op): Likewise.
3114 (build_conditional_expr): Likewise.
3115 (internal_build_compound_expr): Likewise.
3116 (convert_for_assignment): Likewise.
3117 * stmt.c (expend_expr_stmt): Likewise.
3118 (warn_if_unused_value): Likewise.
3119 (expand_return): Likewise.
3120 * c-parse.in (primary): Likewise.
3121 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3122 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3124 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3126 * alias.c (get_alias_set): If compnent is addressable, use alias
3128 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3129 (grokdeclarator): Likewise.
3130 * c-typeck.c (common_type): Likewise.
3132 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3134 * Makefile.in (OBJS): Remove dyn_string.o
3135 (dyn-string.o): Delete rule.
3136 * dyn-string.c: Delete file
3137 * dyn-string.h: Likewise.
3139 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3141 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3144 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3146 * alias.c (record_component_aliases): Don't inspect
3147 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3149 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3151 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3152 it with the pattern to do machine dependent work.
3153 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3154 use it to modify the true/false tests used in conditional
3155 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3156 defined, invoke them if the conversion to conditional execution
3157 was successful or not.
3159 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3160 (IFCVT_MODIFY_INSN): Ditto.
3161 (IFCVT_MODIFY_FINAL): Ditto.
3162 (IFCVT_MODIFY_CANCEL): Ditto.
3164 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3166 * toplev.c (main): Fix misspellings of possibility and language.
3168 2000-06-03 Richard Henderson <rth@cygnus.com>
3170 * alias.c (record_alias_subset): Initialize has_zero_child in the
3173 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3175 * arm.md (untyped_call): Use GEN_CALL macro.
3177 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3179 * Makefile.in: Use $(MAKE) not "make"
3181 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3183 * alias.c (struct alias_set_entry): New field has_zero_child.
3184 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3185 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3187 Call record_component_aliases for aggregate types.
3188 (record_alias_subset): Set has_zero_child.
3189 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3190 TYPE_NONALIASES_COMPONENT.
3191 (record_component_aliases, case RECORD_TYPE): Test
3192 DECL_NONADDRESSABLE_P.
3193 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3194 of TREE_ADDRESSABLE.
3195 * calls.c (initialize_argument_information): Only test
3196 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3197 * function.c (assign_parms): Likewise.
3198 * integrate.c (function_cannot_inline_p): Likewise.
3199 * stor-layout.c (finish_record_layout): Don't call
3200 record_component_aliases.
3201 * tree.h (struct tree_int_cst): Use struct tree_common.
3202 (struct tree_real_cst, struct tree_string): Likewise.
3203 (struct tree_complex, struct tree_identifier): Likewise.
3204 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3205 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3206 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3207 (TYPE_NONALIASES_COMPONENT): New macro.
3208 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3209 (DECL_NONADDRESSABLE_P): New macro.
3210 (struct tree_decl): Reorder bits for clarity of how many left;
3213 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3215 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3216 * mklibgcc.in (force): New target.
3217 Make LIB2ADD stuff depend on it.
3219 2000-06-02 Richard Henderson <rth@cygnus.com>
3221 * alias.c (lang_get_alias_set): Remove.
3222 (get_alias_set): Call it directly, not indirectly.
3223 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3224 * c-common.h (c_get_alias_set): Don't declare.
3225 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3226 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3228 2000-06-02 Bruce Korb <bkorb@gnu.org>
3230 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3231 (server_setup): define the server's master pid
3232 (close_server): actually do the deed IFF we are the server's master
3234 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3236 * c-common.c (c_get_alias_set): Check whether signed_type did not
3237 return its argument before calling get_alias_set on the result.
3239 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3241 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3243 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3245 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3246 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3247 for TARGET_NOMACSAVE.
3248 (NOMACSAVE_BIT): Define.
3249 (TARGET_NOMACSAVE): Define.
3250 (TARGET_SWITCHES): Add "nomacsave".
3252 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3254 * sh.md (untyped_call): Remove excess parameters
3256 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3258 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3259 match that used before the conversion to c_fix style.
3260 * fixinc/fixincl.x: regenerate
3262 2000-06-01 Stan Cox <scox@cygnus.com>
3264 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3265 macro argument typo.
3267 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3269 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3271 * cpplib.c (parse_include): Remove support for VAX-C
3272 "#include starlet" misfeature.
3274 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3276 * cppfiles.c: conditionally define O_BINARY.
3277 (open_include_file): pass O_BINARY to open().
3279 2000-06-01 Richard Henderson <rth@cygnus.com>
3281 * i960.c (i960_br_predict_opcode): Remove.
3282 (i960_print_operand) [+]: Emit branch prediction hints.
3283 (i960_function_arg): Return early for VOIDmode.
3284 (i960_round_align): Return early for incomplete types.
3285 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3286 * i960.md (all conditional branches): Add "%+".
3288 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3290 * alias.c (get_alias_set): Don't call language-specific routine more
3291 than is needed and clean up code a bit.
3292 * c-common.c (c_get_alias_set): All references whose type
3293 is char get alias set 0, but character types need not.
3294 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3295 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3297 2000-06-01 Bruce Korb <bkorb@gnu.org>
3299 * fixinc/tests/base/...: new base result files
3301 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3303 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3304 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3305 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3308 2000-06-01 Richard Henderson <rth@cygnus.com>
3310 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3312 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3314 2000-05-31 Richard Henderson <rth@cygnus.com>
3316 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3317 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3318 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3320 2000-05-31 Richard Henderson <rth@cygnus.com>
3322 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3323 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3324 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3325 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3326 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3328 2000-05-31 Richard Henderson <rth@cygnus.com>
3330 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3332 2000-05-31 Richard Henderson <rth@cygnus.com>
3334 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3336 (find_if_block): Allow THEN with no outgoing edges.
3337 * flow.c (merge_blocks_nomove): Remove a barrier not following
3340 2000-05-31 Richard Henderson <rth@cygnus.com>
3342 * flow.c (propagate_block): Move initialization of mem_set_list ...
3343 (init_propagate_block_info): ... here. Also track blocks with
3344 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3346 2000-05-31 Richard Henderson <rth@cygnus.com>
3348 * jump.c (jump_optimize_1): Revert 05-18 change.
3350 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3352 * invoke.texi: Remove documentation for -fguiding-decls.
3354 2000-05-31 Richard Henderson <rth@cygnus.com>
3356 * configure.in: Fix typo last change.
3358 2000-05-31 Philipp Thomas <pthomas@suse.de>
3360 * configure.in (enable-nls): Enable if build == host, i.e. when
3361 not building a canadian cross compiler.
3362 (enable-maintainer-mode): Added for use with i18n.
3363 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3364 cross section of ALL_LINGUAS and LINGUAS.
3365 * configure: Rebuild.
3367 2000-05-31 Bruce Korb <bkorb@gnu.org>
3369 * fixinc/check.tpl: rework to use test result tree
3370 * fixinc/Makefile.in: change invocation of check script
3371 * fixinc/check.diff: No longer needed
3372 * fixinc/fixincl.x: regenerate
3373 * fixinc/inclhack.def: add new tests
3374 * fixinc/tests/base/arch/i960/archI960.h: New test result
3375 * fixinc/tests/base/curses.h: modified test result
3376 * fixinc/tests/base/stdio.h: ditto
3377 * fixinc/tests/base/time.h: ditto
3378 * fixinc/tests/base/sys/asm.h: ditto
3379 * fixinc/tests/base/sys/stat.h: ditto
3380 * fixinc/tests/base/sys/wait.h: ditto
3382 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3384 * except.c (clear_function_eh_region): Do not free NULL.
3386 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3388 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3389 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3390 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3391 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3392 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3393 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3394 (get_alias_set): Likewise.
3395 Major rework to do more things and allow language-specific code
3396 to just handle special-cases.
3397 (record_alias_subset): Args are HOST_WIDE_INT.
3398 (record_component_alias): Local vars are HOST_WIDE_INT.
3399 Don't handle COMPLEX_EXPR.
3400 (get_varargs_alias_set): Moved from builtins.c.
3401 (get_frame_alias_set): New function.
3402 * builtins.c (expand_builtin_return_address): Use frame alias set.
3403 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3405 (get_memory_rtx): Rework to use set_mem_attributes.
3406 (get_varargs_alias_set): Deleted from here.
3407 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3408 (c_find_base_decl): Deleted from here.
3409 (c_get_alias_set): Remove many cases and rework to just handle
3411 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3412 * c-decl.c (rtl.h, expr.h): Now included.
3413 (init_decl_processing): Call record_component_aliases on array types.
3414 (grokdeclarator): Likewise.
3415 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3416 * c-typeck.c (common_type): Call record_component_aliases for array.
3417 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3418 Set all save areas to the frame alias set.
3419 * calls.c (initialie_argument_information): Call set_mem_attributes.
3420 (compute_argument_addresses, expand_call): Likewise.
3421 * explow.c (set_mem_attributes): New function.
3422 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3423 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3424 LEN and OFFSET now HOST_WIDE_INT.
3425 (clear_by_pieces): Similar changes.
3426 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3427 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3428 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3429 (clear_by_pieces_1): Likewise.
3430 (emit_push_insn): Call set_mem_attributes.
3431 (expand_expr, case INDIRECT_REF): Likewise.
3432 (expand_expr, case VAR_DECL): Call change_address.
3433 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3435 (get_varargs_alias_set, get_frame_alias_set): New decls.
3436 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3437 (new_alias_set, set_mem_attributes): Likewse.
3438 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3439 (assign_stack_temp_for_type): Likewise.
3440 Can split slot even if alias set since can copy.
3441 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3442 (assign_temp): Use host_integerp and tree_low_cst.
3443 (put_var_into_stack): Properly handle SAVE_EXPR.
3444 (put_addressof_into_stack): Likewise.
3445 (assign_parms): Call set_mem_attributes.
3447 (fix_lexical_address): Put reference to chain into frame alias set.
3448 (expand_function_start): Call set_mem_attributes.
3449 * integrate.c (expand_inline_function): Likewise.
3450 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3451 * regmove.c (try_apply_stack_adjustment): Likewise.
3452 * reload.c (push_reload, make_memloc): Likewise.
3453 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3454 * rtl.def (MEM): Update comment.
3455 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3456 (move_by_pieces): Change length to HOST_WIDE_INT.
3457 (record_base_value, record_alias_subset): Delete from here.
3458 * stmt.c (expand_decl): Call set_mem_attributes.
3459 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3460 * toplev.c (compile_file): Call init_alias_once earlier.
3461 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3462 from here: now in alias.c.
3463 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3464 (struct tree_decl): Likewise.
3465 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3466 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3467 (output_constant_def, force_const_mem): Likewise.
3469 * flow.c (propagate_block): If block has no successors, stores to
3470 frame are dead if not used.
3472 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3474 * stmt (expand_end_case): Reorder conversion sequence for jump
3475 table to avoid extra truncations.
3477 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3479 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3480 in the block is more than just a simple conditional branch.
3481 (noce_process_if_block): Similarly.
3483 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3485 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3488 2000-05-30 Michael Meissner <meissner@redhat.com>
3490 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3491 instructions. Treat LO_SUM operations as loading the full integer
3494 2000-05-30 Richard Henderson <rth@cygnus.com>
3496 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3498 2000-05-30 Richard Henderson <rth@cygnus.com>
3500 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3502 2000-05-30 Bruce Korb <bkorb@gnu.org>
3504 * fixinc/tests/*: Added expected result files for fixinc's make check
3505 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3507 2000-05-30 Richard Henderson <rth@cygnus.com>
3509 * config/alpha/alpha.md (*setne_internal): Use match_operator
3510 instead of working down from insn.
3512 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3514 * invoke.texi (-Wtraditional): Update WRT function macros.
3516 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3518 * except.c (free_exception_table): Do not free NULL.
3520 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3522 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3523 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3526 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3528 * flow.c (mark_used_reg): If a register is unconditionally live,
3529 remove any conditional death information.
3531 2000-05-29 Richard Henderson <rth@cygnus.com>
3533 * final.c (current_output_insn): New.
3534 (final_scan_insn): Set it.
3535 * output.h: Declare it.
3537 2000-05-29 Richard Henderson <rth@cygnus.com>
3539 * stor-layout.c (finalize_record_size): Fix typo.
3541 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3544 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3546 * cpplib.h (cpp_reader): Remove if_stack. Change
3547 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3548 * cpphash.h (struct ihash): Change control_macro to a
3549 cpp_hashnode * and shorten name to cmacro.
3550 Add NEVER_REINCLUDE constant.
3552 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3553 Examine the cmacro node directly, no need to call cpp_defined.
3554 (_cpp_execute_include, read_include_file): Set cmacro to
3555 NEVER_REINCLUDE, not U"".
3556 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3557 (cpp_get_token): If pfile->skipping is true, discard text and
3558 keep scanning until we hit a directive; don't expand macros.
3560 * cpplib.c (struct if_stack): Remove if_succeeded, add
3561 was_skipping. Change control_macro to a cpp_hashnode * and
3562 shorten name to cmacro. Remove typedef IF_STACK.
3563 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3564 (conditional_skip, skip_if_group,
3565 consider_directive_while_skipping): Delete.
3566 (push_conditional): New.
3567 (_cpp_handle_directive): Don't process directives other than
3568 conditionals if we are skipping.
3570 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3571 Update to new scheme.
3572 (validate_else): Skip rest of line here, unconditionally.
3573 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3574 pfile->skipping off.
3576 (all): Remove `scare quotes' from error messages.
3578 2000-05-29 Richard Henderson <rth@cygnus.com>
3580 * function.c (emit_return_into_block): New line_note arg; emit it.
3581 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3582 for the close brace to accompany HAVE_return. Move all line notes
3583 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3585 2000-05-29 Richard Henderson <rth@cygnus.com>
3587 * longlong.h [__alpha] (count_leading_zeros): New.
3588 (count_trailing_zeros): New.
3589 (COUNT_LEADING_ZEROS_0): New.
3591 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3592 (alpha_split_conditional_move): New.
3593 * config/alpha/alpha-protos.h: Prototype them.
3594 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3595 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3596 * config/alpha/alpha.md: Update ffs cix commentary.
3598 (*nabssf2, *nabsdf2): New.
3599 (*mov[qhsd]icc_internal): Use add_operand.
3600 (if_then_else constant splitters): New.
3601 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3602 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3604 2000-05-29 Richard Henderson <rth@cygnus.com>
3606 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3607 a constant to NEG or NOT when conditions allow.
3609 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3610 unless both args are general_operand. Don't canonicalize plus
3611 to ior unless it helps.
3613 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3614 instead track register_life_up_to_date. Toggle no_new_pseudos
3617 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3619 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3620 so output_operand doesn't see them.
3622 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3624 * lcm.c (make_preds_opaque): Fix comment.
3625 (optimize_mode_switching): Use NORMAL_MODE instead of
3626 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3627 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3628 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3629 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3630 (MODE_USES_IN_EXIT_BLOCK): Delete.
3631 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3632 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3633 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3634 (MODE_NEEDED): Don't look for USE.
3635 (EPILOGUE_USES): Define.
3637 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3639 * mklibgcc.in (all): Variable initialised to `libgcc'.
3641 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3643 * toplev.h (skip_leading_substring): New macro.
3644 * toplev.c (decode_f_option): Use skip_leading_substring instead
3646 (decode_W_option): Likewise.
3648 2000-05-28 Nick Clifton <nickc@cygnus.com>
3650 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3653 2000-05-28 Richard Henderson <rth@cygnus.com>
3655 * regclass.c (record_operand_costs): Protect reg_changes_size
3656 with CLASS_CANNOT_CHANGE_SIZE.
3658 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3660 2000-05-28 Richard Henderson <rth@cygnus.com>
3662 * function.c (diddle_return_value): A pcc-style struct return
3665 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3667 * cppfiles.c: Read files in, using mmap if possible, then
3668 prescan them separately.
3669 (read_file, read_with_read): New functions.
3670 * cpplex.c: Don't define UCHAR_MAX.
3671 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3674 * cppinit.c (handle_option): Automatically define __cplusplus,
3675 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3676 the respective -lang switch.
3678 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3679 prototype): Move to...
3680 * cpplib.h: ... here. Rename struct hashnode to struct
3681 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3682 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3684 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3686 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3688 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3689 (class_can_change_size): New variable.
3690 (reg_changes_size): New variable.
3691 (init_reg_sets_1): Initialise class_can_change_size.
3692 (record_operand_costs): Remove subreg_changes_size.
3693 Don't pass it around. Instead update reg_changes_size.
3694 (regclass): Initialise and free reg_changes_size. If a register
3695 changes size, don't preference it to a class that contains
3696 registers that can't change size.
3697 (record_reg_classes): Don't look at subreg_changes_size.
3699 2000-05-27 Richard Henderson <rth@cygnus.com>
3701 * print-rtl.c (reg_names): Remove const.
3702 * regclass.c (reg_names): Likewise.
3703 * regs.h (reg_names): Likewise.
3704 * hard-reg-set.h (reg_names): Likewise.
3706 2000-05-27 Richard Henderson <rth@cygnus.com>
3708 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3710 2000-05-27 Richard Henderson <rth@cygnus.com>
3712 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3713 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3714 (alpha_expand_prologue): Emit prologue_mcount if needed.
3715 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3716 * config/alpha/alpha.md (prologue_mcount): New.
3717 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3718 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3719 * config/alpha/netbsd.h: Likewise.
3721 2000-05-27 Richard Henderson <rth@cygnus.com>
3723 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3724 change to config/elfos.h.
3726 2000-05-27 Richard Henderson <rth@cygnus.com>
3728 * Makefile.in (resource.o): Depend on except.h.
3729 * except.h (output_exception_table_data): Prototype.
3730 * genconfig.c (gen_peephole2): Prototype.
3731 * genemit.c (main): Include ggc.h.
3732 * genoutput.c: Revert parts of last change: include errors.h
3733 (main): Set progname.
3734 * recog.c: Include hard-reg-set.h before recog.h.
3735 * resource.c: Include except.h.
3737 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3739 (alpha_write_linkage): Protect with BUFSIZ.
3740 (alpha_need_linkage): Update prototype.
3741 * config/alpha/alpha.c (function_arg): Move VMS code here.
3742 (alpha_links_base): Remove.
3744 (mark_alpha_links_node, mark_alpha_links): New.
3745 (alpha_write_one_linkage): New.
3746 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3747 (alpha_write_linkage): Use splay_tree_foreach.
3748 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3749 to get the linkage symbol.
3750 (call_value_vms): Likewise.
3751 * config/alpha/elf.h (output_file_directive): Remove decl.
3752 (ctors_section, dtors_section): Prototype.
3753 (sbss_section, sdata_section): Prototype.
3754 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3755 (readonly_section, link_section, literals_section): Prototype.
3756 (ctors_section, dtors_section): Prototype.
3757 (vms_valid_decl_attribute_p): Remove decl.
3758 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3760 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3762 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3764 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3765 substituting the REG in a (subreg:X (reg:Y ...)).
3767 2000-05-28 Neil Booth <NeilB@earthling.net>
3769 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3770 first token of a line BOL. Update EOF code for this.
3771 Remove illegal directive check - it appears in the (not
3772 yet committed) caller.
3773 * cpplib.h (BOL): New flag.
3775 2000-05-28 Neil Booth <NeilB@earthling.net>
3777 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3778 (_cpp_free_toklist): No comment space to free.
3779 (expand_comment_space): Remove.
3780 (save_comment_space): Place the comment in the current token and
3781 not in a separate comment space.
3782 (_cpp_lex_line): Save comments during plain code and #define
3784 * cpplib.h (struct _cpp_toklist): Remove comment space.
3786 2000-05-28 Neil Booth <NeilB@earthling.net>
3788 * cppexp.c (parse_assertion): Supply extra argument to
3790 * cpplib.c (do_assert, do_unassert): Similarly.
3791 * cpphash.h (_cpp_init_toklist) Update.
3792 (_cpp_expand_token_space): New.
3793 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3794 * cpplex.c (_cpp_init_toklist): New argument.
3795 (parse_string2): New argument multiline_ok.
3796 (spell_token): Take a const cpp_token *.
3797 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3798 (SPELL_ macros): Replace with enum.
3799 (expand_token_space): Replace with _cpp_expand_token_space.
3800 Take COUNT argument.
3801 (IS_DIRECTIVE): Update.
3802 (_cpp_lex_line): Update token structure before parsing number.
3803 Don't assume start at beginning of token list.
3804 (save_comment): Use INIT_TOKEN_NAME.
3806 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3808 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3809 -Wmissing-prototypes.
3810 * configure: Regenerate.
3811 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3813 * builtins.c, calls.c: Change all instances of gen_call_* or
3814 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3815 * calls.c (struct_value_size_rtx): Separate definition from
3816 initialization to avoid unused variable warning.
3818 * genflags.c (gen_macro): New function.
3819 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3820 (gen_nonproto): Delete.
3821 (gen_insn): Put all insns on the same obstack.
3822 (main): Generate prototypes for everything unconditionally.
3824 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3825 out check for wchar_t.
3826 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3827 * system.h: Add infrastructure for defining missing
3828 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3829 definitions of UCHAR_MAX and SSIZE_MAX.
3830 * configure: Regenerate.
3831 * config.in: Regenerate.
3833 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3834 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3836 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3837 libgcc2.a, or libgcc1.null.
3839 2000-05-27 Richard Henderson <rth@cygnus.com>
3841 * Makefile.in (recog.o): Don't depend on resource.h.
3842 * recog.c: Don't include resource.h.
3843 (recog_last_allowed_insn): Remove.
3844 (recog_next_insn): Remove.
3845 (struct peep2_insn_data): New.
3846 (peep2_insn_data, peep2_current): New.
3847 (peep2_next_insn): New.
3848 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3849 (peep2_find_free_register): New.
3850 (peephole2_optimize): Track life information by insn as we go.
3851 * recog.h: Update declarations.
3852 * resource.c (find_free_register, reg_dead_p): Remove.
3853 * resource.h: Remove their declarations.
3854 * toplev.c: Include hard-reg-set.h before recog.h.
3856 * genconfig.c (max_insns_per_peep2): New.
3857 (gen_peephole2): New.
3859 * genemit.c (output_peephole2_scratches): Generate calls to
3860 peep2_find_free_register; adjust surrounding code.
3861 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3862 * genrecog.c (change_state): Don't track last_insn.
3863 (write_action): Write into *_pmatch_len before accepting.
3864 (write_tree): Adjust peephole2_insns and subroutines to match.
3866 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3868 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3869 (hard_int_register_operand): New.
3870 * config/alpha/alpha-protos.h: Declare it.
3871 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3872 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3873 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3875 2000-05-27 Richard Henderson <rth@cygnus.com>
3877 * function.c (thread_prologue_epilogue_insns): Don't move the
3878 line note at the head of the chain. Only force a lineno note
3879 before the end of block 0.
3881 2000-05-27 Richard Henderson <rth@cygnus.com>
3883 * gensupport.c (collect_insn_data): Record the maximum number
3884 of alternatives, not the last seen.
3886 * genoutput.c: Don't include errors.h.
3887 (struct data): Add lineno member.
3889 (scan_operands): Use message_with_line instead of error.
3890 (validate_insn_alternatives): Likewise.
3891 (gen_insn): Accept and store the pattern's line number.
3892 (gen_peephole, gen_expand, gen_split): Likewise.
3893 (main): Don't set progname. Pass line_no to gen_foo.
3895 2000-05-27 Richard Henderson <rth@cygnus.com>
3897 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3898 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3899 * config/d30v/d30v.md (attr predicable): New.
3900 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3901 (andsi3*): Unify into one pattern.
3902 (iorsi3*, xorsi3*): Likewise.
3903 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3905 (old cond_exec patterns): Remove.
3906 (define_cond_exec): New.
3908 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3910 * tree.h (TREE_CODE_LENGTH): New macro.
3911 * c-common.c (c_find_base_decl): Use it.
3912 * expr.c (safe_from_p): Likewise.
3913 * print-tree.c (print_node): Likewise.
3914 * tree.c (make_node, copy_node, get_identifier): Likewie.
3915 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3916 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3917 * fold-const.c (make_range): Likewise.
3918 (fold): Likewise; also use first_rtl_op.
3919 * c-iterate.c (collect_iterators): Use first_rtl_op.
3920 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3921 Use IS_EXPR_CODE_CLASS.
3922 (preexpand_calls): Likewise.
3923 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3924 and TREE_CODE_LENGTH.
3925 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3927 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3929 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3931 (movdi_internal64): Likewise.
3933 * config/rs6000/rs6000.md: Correct order of operands for DImode
3936 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3937 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3938 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3939 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3940 boolean_operator for the boolean patterns without NOTs.
3942 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3943 from reg_or_u_cint_operand. Change comment and behaviour.
3944 (logical_operand): Clean up, add assertion.
3945 (non_logical_cint_operand): Also check for
3946 reg_or_logical_cint_operand.
3947 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3948 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3954 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3956 * tree.h (struct record_layout_info): Rename to (struct
3957 record_layout_info_s).
3958 * stor-layout.c (start_record_layout): Replace
3959 `record_layout_info' with `record_layout_info_s'.
3961 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3963 * flow.c (find_label_refs): New function.
3964 (find_basic_blocks_1): Call it for each alternative of a call
3967 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3969 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3972 2000-05-25 Richard Henderson <rth@cygnus.com>
3974 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3975 so strict about DImode.
3976 (alpha_swapped_comparison_operator): Likewise.
3977 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3978 any integer output mode.
3979 (*setcc_internal): Likewise.
3980 (*setcc_swapped_internal): Likewise.
3981 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
3982 (*mov[qhs]icc_internal): New.
3983 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
3985 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3987 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
3989 2000-05-25 Richard Henderson <rth@cygnus.com>
3991 * bb-reorder.c (reorder_block_def): Reorder elements for size.
3992 Remove add_jump; add next; replace flags with visited.
3994 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
3995 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
3996 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
3997 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
3999 (reorder_index, reorder_last_visited): Remove.
4000 (skip_insns_after_block): Rewrite to use a switch.
4001 (get_common_dest): Remove.
4002 (chain_reorder_blocks): Remove.
4003 (record_effective_endpoints): Split out from reorder_basic_blocks.
4004 (make_reorder_chain): Likewise. Loop until all blocks are placed.
4005 (make_reorder_chain_1): Renamed from old make_reorder_chain.
4006 Only construct the reorder chain, do not move insns. Try harder
4008 (label_for_bb, emit_jump_to_block_after): New.
4009 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
4010 and adjust the jump insns appropriately. Fixup basic_block_info.
4011 (verify_insn_chain): Always define.
4012 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
4014 (make_new_scope): Don't write zeros to calloc'd space.
4015 (build_scope_forest): Rely on xrealloc to DTRT.
4016 (reorder_basic_blocks): Don't build loop nest. Don't fail if
4017 profile_arc_flag. Streamline EH test.
4019 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
4020 * basic-block.h: Declare them.
4022 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
4024 * emit-rtl.c (reset_used_decls): New function.
4025 (unshare_all_rtl_again): Call it.
4027 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
4029 * cpplex.c (maybe_macroexpand): Warn about function-like
4030 macros used in non-function context, if -Wtraditional.
4032 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4034 * recog.c (peephole2_optimize): Use INSN_P.
4036 2000-05-25 Richard Henderson <rth@cygnus.com>
4038 * ifcvt.c (seq_contains_jump): New.
4039 (noce_try_store_flag_constants): Use it to fail conversion.
4040 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
4042 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4044 * except.h (can_throw): Declare it.
4045 * except.c (can_throw): Give it external linkage.
4046 * resource.c (find_dead_or_set_registers): Use can_throw.
4048 2000-05-25 Richard Henderson <rth@cygnus.com>
4050 * flow.c (mark_set_1): Don't record conditionally dead memory.
4052 2000-05-25 Jan Hubicka <jh@suse.cz>
4054 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
4055 and pc_set at the place of simplejump_p and condjump_p.
4056 * cse.c (record_jump_equiv): Likewise.
4057 * emit-rtl.c (emit): Likewise.
4058 * explow.c (find_next_ref): Likewise.
4059 * flow.c (tidy_fallthru_edge): Likewise.
4060 (init_propagate_block_info): Likewise.
4061 * gcse.c (delete_null_pointer_checks): Likewise.
4062 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
4063 dead_or_predicable): Likewise.
4064 * integrate.c (copy_insn_list): Likewise.
4065 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
4066 for_each_insn_in_loop, check_dbra_loop, get_condition,
4067 insert_bct, load_mems): Likewise.
4068 * resource.c (find_dead_or_set_registers): Likewise.
4069 * sibcalls.c (simplejump_p): Likewise.
4070 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
4072 2000-05-25 David Edelsohn <edelsohn@gnu.org>
4074 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
4075 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
4077 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
4078 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
4079 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
4080 * rs6000.md: Name various internal patterns.
4082 2000-05-25 Jan Hubicka <jh@suse.cz>
4084 * jump.c (invert_exp_1): Remove first argument, use pc_set
4085 to get the expression.
4086 (redirect_exp): Make static; redirect only the pc_set expression,
4087 remove first argument.
4088 (invert_exp): Remove first argument, make static.
4089 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4090 any_onlyjump at most places where we originaly did condjump_p
4092 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4093 (delete_barrier_succesors): Use pc_set.
4094 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4095 calls of invert_exp and redirect_exp.
4096 * rtl.h (redirect_exp, invert_exp): Remove.
4097 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4099 2000-05-25 Richard Henderson <rth@cygnus.com>
4101 * stmt.c (expand_end_bindings): Fix thinko last change.
4103 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4104 Andrew Haley <aph@cygnus.com>
4106 * except.c (func_eh_entry): Add emitted field.
4107 (new_eh_region_entry): Set emitted field to 0;
4108 (output_exception_table_entry): Only emit previously un-emitted data,
4109 and send it to the eh_data section.
4110 (output_exception_table): Break out common parts. Output
4111 exception table for entire compilation unit to eh_data section.
4112 (output_exception_table_data): Common parts of output_exception_table.
4113 Send output to eh_data section.
4114 (output_function_exception_table): Output exception table data for
4115 a single function to eh_data section.
4116 (free_exception_table): New external to free the table.
4117 * except.h (free_exception_table): Add prototype.
4118 (output_function_exception_table): Add prototype.
4119 * final.c (final_end_function): Output function exception table
4120 for IA64_UNWIND_INFO.
4121 (final_scan_insn): Emit any unwind directives for an insn.
4123 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4125 * frame.c: Remove all DWARF 2 specific code.
4126 * config/ia64/frame-ia64.c: New file.
4127 (gthread_stuff): Make all gthread available with
4129 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4130 (__register_frame_info, __register_frame): Move to common area of file.
4131 (__register_frame_info_table, __register_frame_table): Move to common i
4133 (__deregister_frame_info, __deregister_frame): Move to common area.
4134 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4135 (read_uleb128): New version for ia64.
4136 (get_unwind_record): Read the next IA-64 unwind record.
4137 (read_R_record): Read a region header record.
4138 (process_a_b_reg_code): X record helper.
4139 (read_X_record): Read an X format record.
4140 (read_B_record): Read a B format record.
4141 (P3_record_types): List of record types matching the P3 format.
4142 (P7_record_types): List of record types matching the P7 format.
4143 (P8_record_types): List of record types matching the P8 format.
4144 (read_P_record): Read a P format record.
4145 (init_ia64_reg_loc): Set default fields for a register.
4146 (init_ia64_unwind_frame): Set defaults for all register records.
4147 (execute_one_ia64_descriptor): Execute one descriptor record.
4148 (rse_address_add): Calculate the position of a local reg in memory.
4149 (normalize_reg_loc): Turn a location descriptor into a memory address.
4150 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4151 within a specified PC offset range.
4152 (get_real_reg_value): Given a register location, retrieve its value.
4153 (set_real_reg_value): Change the value of a register location.
4154 (copy_reg_value): Copy reg values, if needed.
4155 (copy_saved_reg_state): Copy all registers that need to be copied.
4156 (process_state_between): Normalize all frame register records that
4157 fall within the specified PC range.
4158 (frame_translate): Take a processed frame description, and turn
4159 everything into addresses.
4160 (build_ia64_frame_state ): Find and create frame state record for a PC.
4161 (get_personality): Get the personality routine for a given frame.
4162 (get_except_table): Get the exception table for a given frame.
4163 (record_name): Unwind record names for debugging.
4164 (print_record): Print and unwind record.
4165 (print_all_records): Print an entire unwind image.
4166 (__ia64_backtrace): Print a backtrace.
4167 (ia64_backtrace_helper): New function.
4168 (__register_frame_info_aux): New function.
4169 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4171 * frame.h (enum unw_record_type): New unwind record types.
4172 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4173 (struct unw_r_record, unwind_record): New unwind record structs.
4174 (struct unwind_info_ptr): Unwind information layout.
4175 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4177 (struct ia64_reg_loc): Register location description.
4178 (struct ia64_frame_state): Location of all registers in a frame.
4179 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4180 * libgcc2.c (__ia64_personality_v1): Personality routine.
4181 (__calc_caller_bsp): Calculate the bsp register for the caller's
4183 (ia64_throw_helper): Figure out who to return to and set up the
4185 (__throw): Throw routine.
4187 * output.h (assemble_eh_align, assemble_eh_label): New functions
4188 to generate EH info where we want it.
4189 (assemble_eh_integer): New function.
4190 * toplev.c (compile_file): Output module level exception table for
4192 (main): Set exceptions_via_longjump and flag_new_exceptions based
4193 on IA64_UNWIND_INFO too.
4195 * varasm.c (assemble_eh_label): Generate a label via
4196 ASM_OUTPUT_EH_LABEL if it has been specified.
4197 (assemble_eh_align): Generate an alignment directive via
4198 ASM_OUTPUT_EH_ALIGN if it has been specified.
4199 (assemble_eh_label): Generate an integer value via
4200 ASM_OUTPUT_EH_type if they have been specified.
4201 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4202 (ia64_init_builtins): Add __builtin_ia64_bsp
4203 and __builtin_ia64_flushrs.
4204 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4205 IA64_BUILTIN_FLUSHRS.
4206 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4207 IA64_BUILTIN_FLUSHRS.
4209 * config/ia64/ia64.md (flushrs): New insn to flush the register
4210 stack. Add to unspec list.
4212 * config/ia64/crtbegin.asm (frame_object): Change size.
4213 (__do_frame_setup_aux): New function.
4214 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4215 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4216 * Makefile.in (LIB2ADDEH): Add.
4217 (LIB2ADD): Use LIB2ADDEH.
4219 2000-05-24 Richard Henderson <rth@cygnus.com>
4221 * recog.c (offsettable_address_p): If mode size is zero, assume
4224 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4226 * configure.in: Check for -Wno-long-long option support and improve
4227 handling of warning CFLAGS for stages 1 and 2.
4228 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4229 * configure: Regenerate.
4231 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4233 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4234 * contrib.texi: New file.
4236 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4238 * loop.c (basic_induction_var): Avoid double recording of an increment.
4240 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4242 * Back out this patch:
4243 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4244 * loop.h (struct induction): Add multi_insn_incr.
4245 * loop.c (basic_induction_var): New multi_insn_incr argument.
4246 Set it if we search back through previous insns for the biv.
4247 (record_biv): New multi_insn_incr argument; fill in struct induction.
4248 (strength_reduce): Discard an iv with multiple bivs, any of
4249 which require multiple insns to increment.
4251 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4253 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4255 * rtl.h (loc_mentioned_in_p): Declare.
4256 * reload.c (loc_mentioned_in_p): Moved from here...
4257 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4258 Fix loop increment for 'E' handling.
4259 * loop.c (strength_reduce): When doing biv->giv conversion,
4260 take multi-insn biv increments into account.
4262 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4264 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4267 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4269 * calls.c (expand_call): Handle cleanups in tail-recursion
4270 arguments analagously to cleanups in sibling calls.
4272 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4274 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4275 All callers changed.
4277 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4279 * expr.c (expand_assignment, store_expr, expand_expr,
4280 expand_expr_unaligned): Set in_check_memory_usage while emitting
4281 chkr_check_addr libcall.
4283 2000-05-24 Nick Clifton <nickc@cygnus.com>
4285 * fold-const.c (extract_muldiv): When constructing a
4286 multiplier/divisor, do not expect const_binop to correctly
4287 determine if overflow has occured, so check explicitly.
4289 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4291 * c-decl.c (build_enumerator): Don't modify the value's type,
4294 2000-05-24 Andreas Jaeger <aj@suse.de>
4296 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4298 2000-05-24 Eric Christopher <echristo@cygnus.com>
4300 * configure.in: Redefine inhibit_libc conditions.
4301 * libgcc2.c: Remove inhibit_libc conditional define.
4302 * configure: Regenerate.
4304 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4306 * configure.in: For --enable-languages=LIST, check for empty LIST.
4307 * configure: Regenerate.
4309 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4311 * pdp11.h (STACK_BOUNDARY): Define.
4313 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4315 * ifcvt.c (if_convert): Update life info globally.
4317 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4319 * emit-rtl.c (unshare_all_decls): New function.
4320 (unshare_all_rtl): Call it.
4322 2000-05-23 Nick Clifton <nickc@cygnus.com>
4324 * configure.in: Treat 'strongarm' as if it were 'arm' when
4325 determining cpu type.
4327 * configure: Regenerate.
4329 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4330 where constant strings are involved.
4332 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4335 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4336 cases where constant strings are involved.
4338 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4340 * config/sh/sh.c (gen_far_branch, split_branches): Update
4341 to reflect new prototypes for redirect_jump and invert_jump.
4342 (sh_insn_length_adjustment): Get rid of const warnings.
4344 2000-05-23 Kazu Hirata <kazu@hxi.com>
4346 * invoke.texi (Options for Debugging Your Program or GCC): Update
4347 the names of dump files.
4349 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4351 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4352 * configure: Regenerated.
4354 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4356 * simplify-rtx.c (SIGN_EXTEND): New macro.
4357 (simplify_unary_operation, simplify_binary_operation,
4358 simplify_relational_operation): Use SIGN_EXTEND. Make low
4359 halves of (low, high) pairs unsigned if they weren't already.
4360 (simplify_ternary_operation): Cast INTVAL to unsigned before
4361 comparing to a MODE_BITSIZE.
4363 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4365 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4366 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4368 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4369 gcc_AC_NEED_DECLARATIONS.
4371 * dwarfout.c: Don't prototype time().
4373 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4375 * system.h: Likewise.
4377 * toplev.c: Likewise.
4379 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4381 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4383 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4385 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4387 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4389 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4391 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4393 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4394 (alpha_start_function): Never write ..ng label if VMS or NT.
4395 (alpha_align_insns): Remove GP_IN_USE arg.
4396 Alignment now unsigned.
4397 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4398 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4399 and two define_insn's.
4401 2000-05-22 Richard Henderson <rth@cygnus.com>
4403 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4405 2000-05-22 Richard Henderson <rth@cygnus.com>
4407 * stor-layout.c (place_field): Change rli->size to rli->offset.
4409 2000-05-22 Richard Henderson <rth@cygnus.com>
4411 * function.c (thread_prologue_and_epilogue_insns): Make sure
4412 existing line number notes appear after the prologue.
4414 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4416 * config/alpha/alpha.c (alpha_fnname): New static variable.
4417 (print_operand, case '~'): New case.
4418 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4419 (alpha_start_function): Set alpha_fnname.
4420 Write "ng" label if no ldgp; don't write ldgp insn.
4421 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4422 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4424 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4426 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4429 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4431 * varasm.c (eh_frame_section): Revert change to argument list.
4433 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4435 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4436 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4438 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4439 dangling "else" that causes "break" to be conditional.
4440 Also remove unneeded code at start.
4442 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4444 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4445 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4446 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4448 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4450 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4453 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4455 * alias.c (record_component_aliases): New function.
4456 * tree.h: Clean up some declarations and comments.
4457 (record_component_aliases): New declaration.
4458 * tree.c (get_alias_set): If type and has alias set, use it.
4460 2000-05-22 Richard Henderson <rth@cygnus.com>
4462 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4463 IF_THEN_ELSE to a setcc form.
4464 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4466 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4468 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4469 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4471 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4473 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4476 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4478 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4479 * config/mn10300/mn10300.c (print_operand): Likewise.
4481 * final.c (split_double): Right shift of negative values is not
4484 * ifcvt.c (if_convert): Scan and kill dead code.
4486 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4488 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4490 * diagnostic.c: Eliminate implicit int.
4491 * except.c, gcc.c: Add static prototypes.
4492 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4493 * gensupport.c (process_rtx): Use XVEC to initialize vector
4496 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4497 debug_reg_names instead of static reg_names. If not, define
4499 * regclass.c: Don't define global reg_names unless
4500 DEBUG_REGISTER_NAMES is defined.
4502 * reload1.c (order_regs_for_reload): Remove unused variable.
4503 * varasm.c: Include output.h after defaults.h. Define
4504 eh_frame_section as function of no args, not of unspecified args.
4506 * gcc.c: Constify argbuf; arguments to store_arg,
4507 process_command, main; elements of struct command and struct
4508 switchstr; local variables in execute, process_command, main.
4510 2000-05-20 Bruce Korb <bkorb@gnu.org>
4512 * fixinc/inclhack.def: many applications of c_fix=format + tests
4513 * fixinc/check.diff: regenerated
4514 * fixinc/fixincl.x: regenerated
4516 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4518 * alias.c: Clarify some comments.
4519 (record_base_value): REGNO is unsigned.
4520 * rtl.h (record_base_value): Likewise.
4522 * alias.c (aliases_everything_p): Don't special-case QImode here.
4523 * c-common.c (c_get_alias_set): Do it here.
4524 Handle BIT_FIELD_REF by getting alias info for arg.
4527 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4529 * mklibgcc.in: Restore rule to create ${dir}.
4531 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4533 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4534 GCC_FOR_TARGET used by MULTILIBS.
4535 * mklibgcc.in: Make sure each .o file depends on the
4536 directory it will be in.
4537 Make the multilib directory depends libgcc.
4539 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4541 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4543 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4545 * fold-const.c (make_range): Handle degenerated intervals.
4546 Fixes c-torture/execute/991221-1.c
4548 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4550 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4551 * reload.c (find_equiv_reg): Likewise.
4552 * alias.c (init_alias_analysis): Likewise.
4553 Only call prologue_epilogue_contains on insns.
4554 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4555 * bb-reorder.c (hard-reg-set.h): Include earlier.
4556 * haifa-sched.c (hard-reg-set.h): Likewise.
4557 * ifcvt.c (hard-reg-set.h): Likewise.
4558 * local-alloc.c (hard-reg-set.h): Likewise.
4559 * loop.c (hard-reg-set.h): Likewise.
4560 * predict.c (hard-reg-set.h): Likewise.
4561 * regrename.c (hard-reg-set.h): Likewise.
4562 * flow.c (hard-reg-set.h): Likewise.
4563 (reg_set_to_hard_reg_set): New function.
4564 * bitmap.c (regs.h, basic-block.h): No longer include.
4565 (bitmap.h): Now include.
4566 * conflict.c (hard-reg-set.h): Include.
4567 * profile.c (hard-reg-set.h): Likewise.
4568 * print-rtl.c (hard-reg-set.h): Likewise.
4569 * sbitmap.c (hard-reg-set.h): Likewise.
4570 * toplev.c (hard-reg-set.h): Likewise.
4571 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4572 * hard-reg-set.h (reg_names): Now constant.
4573 * regs.h (reg_names): Likewise.
4574 * regclass.c (reg_names): Likewise.
4575 * loop.h (basic-block.h): No longer include.
4576 (bitmap.h): Now include.
4577 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4578 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4579 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4581 2000-05-19 Jan Hubicka <jh@suse.cz>
4582 Richard Henderson <rth@cygnus.com>
4584 * basic-block.h (struct edge_def): New field "count".
4585 (struct basic_block_def): Likewise.
4586 * flow.c (entry_exit_blocks): Add count fileds.
4587 (split_edge): Keep count information up-to-date.
4588 (dump_edge_info, dump_flow_info): Dump count fields.
4590 * final.c (count_instrumented_edges): Rename to edge from arc.
4591 (end_final): Update users.
4592 * profile.c: Include expr.h, basic-block.h.
4593 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4594 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4595 (ignore_next_note, return_label_execution_count): Kill.
4596 (bbg_file_name, da_file_name): Kill.
4597 (edge_info, bb_info): New structures.
4598 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4599 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4600 (total_num_edges_instrumented): Likewise.
4601 (init_arc, expand_spanning_tree): Kill.
4602 (fill_spanning_tree, tablejump_entry_p): Kill.
4603 (instrument_edges): Rewrite from instrument_arcs to use
4604 commit_edge_insertions infrastructure.
4605 (compute_branch_probabilities): Remove arguments; rewrite for
4606 CFG infrastructure; use rtl_dump_file directly.
4607 (branch_prob, find_spanning_tree): Likewise.
4608 (union_groups, find_group): New.
4609 (init_branch_prob): Make bbg_file_name and da_file_name local.
4610 (end_branch_prob): Use rtl_dump_file directly.
4611 (init_edge_profiler): Rename to edge from arc.
4612 (output_arc_profiler): Kill.
4613 (gen_edge_profiler): New.
4614 (output_func_start_profiler): Turn off profiling. Make the
4615 constructor static when we can.
4616 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4618 * toplev.c (DFI_flow): Remove.
4619 (DFI_cfg, DFI_life): New.
4620 (dump_file): Update accordingly.
4621 (compile_file): Call end_branch_prob if profile_arc_flag too.
4622 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4623 profiling after the CFG is built. Move flow1 life analysis to
4624 DFI_life. Always estimate remaining probabilities.
4626 2000-05-19 Richard Henderson <rth@cygnus.com>
4628 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4630 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4632 2000-05-19 Richard Henderson <rth@cygnus.com>
4634 * jump.c (redirect_jump): Add delete_unused argument. Don't
4635 remove labels and code following when LABEL_NUSES goes to zero.
4636 (invert_jump): Likewise.
4637 (jump_optimize_1): Fix redirect/invert arguments.
4638 (do_cross_jump, thread_jumps): Likewise.
4639 * flow.c (split_edge): Likewise.
4640 * reorg.c (optimize_skip): Likewise.
4641 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4642 * profile.c (instrument_arcs): Likewise.
4643 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4644 * rtl.h: Update prototypes.
4646 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4648 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4650 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4653 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4655 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4656 past l1 when deleting whitespace and markers.
4658 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4659 * cpplib.c (do_unassert): Put the list to compare against on
4662 2000-05-19 Bruce Korb <bkorb@gnu.org>
4664 * fixinc/README: cleaned up old documentation
4665 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4666 * fixinc/check.tpl: compute the list of needed directories
4667 emit "#if defined(name)" because of conflict
4668 omit machine name differences from output differences
4669 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4670 (machine_name): change test text to use `sed' markers
4671 * fixinc/fixincl.x: regen
4673 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4675 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4678 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4680 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4681 it to match the current practice.
4683 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4685 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4687 2000-05-18 Richard Henderson <rth@cygnus.com>
4689 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4690 * rtl.h (insn_dependant_p): Declare it.
4691 * loop.c (strength_reduce): Use it.
4693 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4695 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4696 16-bit and 64-bit clean-up.
4698 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4700 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4701 * configure: Rebuilt.
4703 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4705 * genopinit.c: Use $ for escape sequences in optab patterns.
4706 Remove backslashes from optab patterns. Change $A, $B, $C to
4707 expand to (int) whatever instead of just whatever; remove
4708 explicit (int) from all optab patterns.
4710 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4711 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4712 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4713 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4716 2000-05-18 Richard Henderson <rth@cygnus.com>
4718 * jump.c (jump_optimize_1): Base minimum insn count during
4719 find_cross_jump on BRANCH_COST.
4721 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4723 * print-rtl.c (print_rtx): Only print note line number as string
4724 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4725 * final.c (final_scan_insn): Do nothing for note line number 0.
4727 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4729 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4730 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4731 NOTE_INSN_DELETED_LABEL.
4733 2000-05-18 Nick Clifton <nickc@cygnus.com>
4735 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4736 uninitialised data in .rodata not .bss, and do not interpret an
4737 error in the initialisation value as meaning that the variable
4738 should be placed in the .bss section.
4740 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4742 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4743 not `$ac_cv_prog_cc_cc_c_o'.
4744 * configure: Regenerated.
4746 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4747 Richard Henderson <rth@cygnus.com>
4749 * c-common.h (enum c_tree_index): Add g77 type entries.
4750 (g77_integer_type_node, g77_uinteger_type_node): New.
4751 (g77_longint_type_node, g77_ulongint_type_node): New.
4752 * c-decl.c (init_decl_processing): Initialize them.
4754 2000-05-18 Richard Henderson <rth@cygnus.com>
4756 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4758 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4759 (small_power_of_two): Likewise; use exact_log2.
4760 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4761 (output_adds_subs): Remove.
4762 (two_insn_adds_subs_operand): New.
4763 (split_adds_subs): New.
4764 * config/h8300/h8300-protos.h: Update.
4765 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4766 (CONST_OK_FOR_L): Match strict adds operands.
4767 (CONST_OK_FOR_N): Match struct subs operands.
4768 * config/h8300/h8300.md (adds_subs insns): Remove.
4769 (addhi patterns): Output adds/subs directly.
4770 (addsi_h8300h): Likewise.
4771 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4773 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4775 * cppexp.c (parse_assertion): New.
4776 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4777 (_cpp_parse_expr): Remove case '#'. Don't set
4778 parsing_if_directive.
4779 * cpphash.c (collect_objlike_expansion,
4780 collect_funlike_expansion, collect_params,
4781 _cpp_create_definition): The list no longer has a trailing
4783 * cpphash.h (enum node_type): Add T_ASSERTION.
4784 (struct hashnode): Remove aschain, add pred.
4785 (struct predicate): New.
4788 * cpplex.c (expand_token_space): Handle both offset and
4790 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4791 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4792 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4793 _cpp_equiv_toklists): New.
4794 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4795 stop at any single-character token, not just newline.
4796 (_cpp_lex_token): Remove special cases for #define and #if.
4797 (cpp_get_token): Expect # as a separate token type. Remove
4799 (_cpp_get_directive_token): Remove DIRECTIVE case.
4800 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4802 * cpplib.c (_cpp_check_directive): Set dirno and
4803 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4804 (_cpp_handle_directive): Run # <number> through the same logic
4805 as normal directives.
4806 (do_define): Don't set parsing_define_directive. Use
4807 _cpp_scan_until. The list does not have a VSPACE at the end.
4808 (do_if): Save, clear, and restore only_seen_white around
4810 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4811 (do_assert, do_unassert): Rewrite.
4813 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4814 (LIST_OFFSET): New flag.
4815 (struct cpp_toklist): Replace dir_handler and dir_flags with
4817 (struct cpp_reader): Remove parsing_if_directive and
4818 parsing_define_directive.
4820 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4822 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4823 following the cabs decl which terminate on the following line.
4824 Add the corresponding test_text case.
4826 2000-05-18 Neil Booth <NeilB@earthling.net>
4828 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4829 default tab stop size.
4830 (no_num, OPT_ftabstop): New.
4831 (handle_option): Handle "ftabstop=" command-line option.
4832 (print_help): Document it.
4833 * cpplex.c (COLUMN): Remove.
4834 (handle_newline): Reset col_adjust.
4835 (skip_whitespace): Update col_adjust as tabs encountered.
4836 (_cpp_lex_line): Update to use col_adjust. Call
4837 skip_whitespace for all whitespace.
4838 * cpplib.h (struct cpp_options): New member tabstop.
4839 (struct cpp_reader): New member col_adjust.
4840 (CPP_BUF_COL): Update.
4841 (CPP_BUF_COLUMN): New.
4842 * cpp.texi: Document "-ftabstop=" command line option.
4844 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4846 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4848 * configure: Rebuilt.
4850 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4852 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4854 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4855 HOST_BITS_PER_WIDE_INT is >= 64.
4857 2000-05-17 Richard Henderson <rth@cygnus.com>
4859 * jump.c (jump_optimize_1): Remove inactive but real insns
4860 in jump-to-next-insn optimization.
4862 2000-05-17 Richard Henderson <rth@cygnus.com>
4864 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4865 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4866 Don't call recompute_reg_usage if no_new_pseudos is true.
4867 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4868 Return true if we did work; update global life information.
4869 * basic-block.h (optimize_mode_switching): Update decl.
4871 2000-05-17 Neil Booth <neilb@earthling.net>
4873 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4875 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4877 * cpplib.c: New feature, #pragma system_header.
4878 * cpp.texi: Document special treatment of system headers, and
4879 the various mechanisms to get a header that special treatment.
4881 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4883 * system.h (offsetof): Define at the very end, to ensure we prefer
4884 the platform's definition if available.
4886 2000-05-16 Bruce Korb <bkorb@gnu.org>
4888 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4889 * fixinc/server.c: likewise
4890 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4891 + #ifdef debugging code + use #def constant for
4893 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4894 on C++ math namespace
4896 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4898 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4899 Don't check the return value of sprintf. Use asprintf to avoid
4902 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4904 * flags.h (warn_unused_function, warn_unused_label,
4905 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4906 Replace ``warn_unused''.
4907 (set_Wunused): Add declaration.
4908 * toplev.c (set_Wunused): New function.
4909 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4910 warn_unused_variable, warn_unused_value): New variables.
4911 (W_options): Add -Wunused-function, -Wunused-function,
4912 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4913 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4915 * toplev.c (decode_W_option): Update -Wunused flags by calling
4917 * c-decl.c (c_decode_option): Ditto for -Wall.
4919 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4920 warn_about_unused_variables): Replace warn_unused with more
4921 explicit warn_unused_value et.al.
4922 * function.c (expand_function_end): Ditto.
4923 * c-typeck.c (internal_build_compound_expr,
4924 internal_build_compound_expr): Ditto.
4925 * c-decl.c (poplevel, pop_label_level): Ditto.
4926 * toplev.c (check_global_declarations): Replace warn_unused with
4927 check for either warn_unused_function or warn_unused_variable.
4929 * gcc.1, invoke.texi (Warning Options): Document
4930 -Wunused-function, -Wunused-function, -Wunused-label,
4931 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4933 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4935 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4936 $(srcdir), not in the current directory.
4938 2000-05-16 Richard Henderson <rth@cygnus.com>
4940 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4941 assembler supports it.
4942 (.fini, .init): Use a gp-relative indirect call.
4943 (__do_global_dtors_aux): Preserve the gp; rebundle.
4944 (__do_frame_setup): Likewise.
4945 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4946 (.init): Use a gp-relative indirect call.
4947 (__do_global_ctors_aux): Preserve the gp.
4949 2000-05-16 Richard Henderson <rth@cygnus.com>
4951 * flow.c (commit_one_edge_insertion): Be prepared for a return
4952 insn to be inserted on the edge with a normal jump.
4953 * jump.c (jump_optimize_1): Don't look to create return isns.
4955 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4956 * jump.c (jump_optimize_1): Likewise.
4957 (returnjump_p): Verify the argument is a JUMP_INSN.
4958 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4960 2000-05-16 Nick Clifton <nickc@cygnus.com>
4962 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4963 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4964 (large_insn_p): Ditto.
4965 (m32r_is_insn): New function: Return true if the insn contains
4966 an executable instruction.
4967 (m32r_adjust_insn): Use m32r_is_insn.
4968 (m32r_sched_reorder): Use m32r_is_insn.
4969 (m32r_sched_variable_issue): Use m32r_is_insn.
4971 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4973 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4976 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4978 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4979 according to given options.
4981 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
4983 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
4984 if X has VOIDmode either.
4985 (LIMIT_RELOAD_CLASS): Similarly.
4987 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
4988 not "general_operand" to match the processor's capabilities.
4990 2000-05-16 Bruce Korb <bkorb@gnu.org>
4992 * fixinc/README: corrected return address
4993 * fixinc/check.diff: regenerate, now that test works
4994 * fixinc/fixfixes.c(format_fix,format_write): reformatted
4995 (char_macro_def_fix,char_macro_use_fix): corrected and
4996 rewrote to use regex to parse the text
4997 * fixinc/inclhack.def: more testing
4998 * fixinc/fixincl.x: regenerated
5000 * fixinc/inclhack.def: added several "test_text" attributes
5001 changed several fixes to use `c_fix = format'
5002 re-alphabetized the fixes
5004 * fixinc/check.diff: regenerate
5005 * fixinc/fixincl.x: regenerate
5006 * fixinc/check.tpl: added `sparc' and `netinet' to the list
5010 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
5012 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
5014 2000-05-15 Richard Henderson <rth@cygnus.com>
5016 * toplev.c (rest_of_compilation): Run full jump pass before
5017 find_basic_blocks of flow2.
5019 2000-05-15 Richard Henderson <rth@cygnus.com>
5021 * jump.c: Fix typos and clarify commentary from last change.
5022 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
5023 (safe_to_remove_jump_p): Remove.
5024 (condjump_label): Use pc_set.
5026 2000-05-15 Richard Henderson <rth@cygnus.com>
5028 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
5029 that get in the way after reload.
5030 (cond_exec_process_if_block): Skip a label heading THEN block.
5032 2000-05-15 Richard Henderson <rth@cygnus.com>
5034 * varasm.c (output_constant_pool): Abort instead of converting
5035 (improperly) deleted labels to zero.
5037 2000-05-16 Neil Booth <NeilB@earthling.net>
5039 * cpplex.c (parse_string2): Update comment.
5040 (cpp_lex_line): No special assertion treatment for '('.
5041 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
5042 * cpplib.h (SYNTAX_ASSERT): Remove.
5044 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5046 * jump.c (condjump_p): Mark as depreached.
5047 (any_condump_p): New.
5048 (any_uncondump_p): New.
5050 (safe_to_remove_jump_p): New.
5051 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
5052 safe_to_remove_jump_p): Declare.
5054 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5056 * calls.c: Re-install both patches reverted by last patch.
5057 (struct arg_data): New field tail_call_reg.
5058 (initialize_argument_information): Initialize tail_call_reg
5059 (load_register_parameters): New argument flags, use
5060 tail_call_reg when emiting tail call sequence.
5061 (expand_call): Update call of load_register_parameters;
5062 copy unadjusted_args_size to adjusted_args_size.
5064 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5066 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
5067 and bct_p parameters to flags.
5068 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
5069 * rtl.h (loop_optimize): Update prototype.
5070 * toplev.c (rest_of_compilation): Update call of loop_optimize.
5072 2000-05-15 Jakub Jelinek <jakub@redhat.com>
5074 * calls.c (expand_call): Move expand_start_target_temps call after
5077 2000-05-15 Neil Booth <NeilB@earthling.net>
5079 * cpphash.c (trad_stringify, warn_trad_stringify,
5080 collect_params): Make some pointers pointers to const.
5081 * cpplex.c (auto_expand_name_space) Guaranteed to always
5082 expand by at least one character.
5083 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
5084 (struct token_spelling): Use const U_CHAR * rather than PTR.
5085 (expand_name_space): Fix up token pointers if name space
5086 is moved when expanding.
5087 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
5088 parse_string2, save_comment, spell_token, cpp_output_list):
5089 Update so the routines handle tokens with a direct pointer to
5090 their text, rather than an offset into the token's list's namebuf.
5091 (_cpp_lex_line): Rearrange for clarity.
5093 * cpplib.c (_cpp_check_directive): Similarly.
5094 (do_define): Make SYM a pointer to const.
5095 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5096 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5097 (TOK_OFFSET): Delete.
5100 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5102 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5105 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5107 (logical_u_operand): Delete.
5108 (non_logical_cint_operand): Rewrite to take MODE into account.
5109 (non_logical_u_cint_operand): Delete.
5110 (boolean_operator): New function.
5111 (print_operand): Add new %q operand.
5112 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5113 remove logical_u_operand and non_logical_u_cint_operand,
5114 update logical_operand and non_logical_cint_operand.
5115 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5116 logical operations to use %q.
5118 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5119 (movdi): Make similar to movsi.
5120 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5121 is no such thing as a DImode CONST_DOUBLE.
5122 * config/rs6000/rs6000.c (output_toc): Likewise.
5124 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5125 codes when old mnemonics are in use. Print register names
5126 for cc registers when requested.
5128 * optabs.c (expand_float): Don't allow mode widening that causes
5131 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5132 flags to their current names -maix64 and -maix32.
5134 2000-05-14 Bruce Korb <bkorb@gnu.org>
5136 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5137 and/or after current text of file
5138 * fixinc/fixlib.c(must_malloc):
5139 * fixinc/fixlib.h(must_malloc): + reformatting
5140 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5141 with usages of ``c_fix = wrap;''
5142 Add several tests and use the ``c_fix = format'' fixer more.
5143 * fixinc/fixincl.x: regen
5144 * fixinc/check.diff: regen
5145 * fixinc/check.tpl: emit the associated header with the missing
5148 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5150 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5151 variables $src and $dst.
5153 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5155 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5156 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5157 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5158 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5160 (set_message_prefixing_rule): Declare.
5162 * diagnostic.c: (current_prefixing_rule): New variable.
5163 (set_message_prefixing_rule): Define.
5164 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5165 (init_output_buffer): Adjust Initialization.
5166 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5168 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5170 * ifcvt.c (if_convert): Do not free NULL.
5172 2000-05-12 H.J. Lu (hjl@gnu.org)
5174 * gthr-dce.h: Add support for libobjc.
5175 * gthr-posix.h: Likewise.
5176 * gthr-solaris.h: Likewise.
5177 * gthr-vxworks.h: Likewise.
5178 * gthr-single.h: Likewise.
5179 * gthr-win32.h: Likewise.
5181 2000-05-12 Nick Clifton <nickc@cygnus.com>
5183 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5184 to move a double word value.
5185 (di_operand): New function: Return true if the operand is suitbale
5186 for a double word move operation.
5187 (nonimmediate_di_operand): New function: Return true if the
5188 operand is a DImode register or MEM.
5190 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5191 nonimmediate_di_operand.
5193 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5194 nonimmediate_di_operand.
5196 * config/fr30/fr30.md (movdi): New pattern. Required because
5197 other patterns generate DImode results.
5198 (movdi_insn): New pattern.
5200 2000-05-12 Richard Henderson <rth@cygnus.com>
5202 * config/alpha/alpha.c (struct shadow_summary): Define
5203 bitfields as type unsigned int.
5205 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5207 * config/avr/t-avr: Added definition of FLOAT while generates
5210 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5211 peepholes for tst+jump = sbrs/sbrc optimization.
5213 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5215 * expr.c (emit_push_insn): Do not adjust stack pointer when
5218 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5220 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5221 * system.h (offsetof): ... to here.
5223 2000-05-12 Richard Henderson <rth@cygnus.com>
5225 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5226 * final.c (final_end_function): Use app_disable. Rearrange note
5227 handling into a switch. Emit deleted labels.
5228 (output_asm_label): Generate label strings for deleted labels.
5229 * flow.c (tail_recursion_label_list): New.
5230 (find_basic_blocks_1): Set label_value_list directly. Collect list
5231 of tail recursion labels from call_placeholders. Don't add deleted
5232 labels to the label value list.
5233 (cleanup_cfg): Use free_EXPR_LIST_list.
5234 (flow_delete_insn_chain): Turn non-removable labels into notes.
5235 (flow_delete_block): Don't disable deleting the block because of
5236 a non-removable label.
5237 (tail_recursion_label_p): New.
5238 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5240 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5242 (merge_blocks): Disable a merge because of tail recursion labels.
5243 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5244 Use a more accurate measure of not merging the join block.
5245 (find_if_block): Don't disable conversion because of a label.
5246 (find_if_case_1, find_if_case_2): Likewise.
5247 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5248 element when copying.
5249 (squeeze_notes): Also leave EH notes.
5250 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5252 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5254 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5255 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5256 referring to a deleted label. Convert tail handling to a switch.
5257 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5258 for NOTE_INSN_DELETED_LABEL.
5259 (NOTE): Fix commentary.
5260 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5261 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5262 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5263 (LABEL_NUSES, LABEL_REFS): Likewise.
5264 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5266 2000-05-12 Bruce Korb <bkorb@gnu.org>
5268 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5269 * fixinc/check.diff: updated
5270 * fixinc/inclhack.def: corrected & added some test_text-s
5271 * fixinc/genfixes: removed unneeded options to autogen invocation
5272 * fixinc/fixincl.tpl: Specified the output file
5273 * fixinc/fixfixes.c: visual appearance
5274 * fixinc/fixincl.x: regenerate
5276 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5278 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5279 CTRL_defn_fix): Delete.
5280 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5281 char_macro_def_fix and char_macro_use_fix, respectively. Put
5282 them into the FIXUP_TABLE. Get the string to search for from
5285 (format_write): New function.
5286 (format_fix): Use it.
5288 (FIX_PROC_HEAD): Constify text parameter.
5289 (machine_name_fix): Constify all char *s.
5290 * fixtests.c (skip_quote): Remove double static.
5292 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5293 ctrl_use_quotes): Update for new scheme.
5294 * fixincl.x: Regenerate.
5296 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5298 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5300 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5301 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5303 2000-05-11 Robert Lipe <robertlipe@usa.net>
5305 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5306 * fixincl.x: Regenerate.
5308 2000-05-11 Richard Henderson <rth@cygnus.com>
5310 * calls.c: Revert both 05-09 patches.
5312 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5314 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5316 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5319 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5320 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5322 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5324 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5326 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5328 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5330 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5332 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5333 * config/avr/avr.c (jump_over_one_insn_p): New function.
5334 * config/avr/avr.md: New peepholes added. Output test and
5335 conditional jump to "sbrc" or "sbrs" command.
5337 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5339 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5341 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5343 * except.c (find_exception_handler_labels_1): New function.
5344 (find_exception_handler_labels): Split into two functions, dive
5345 into CALL_PLACEHOLDERs when looking for exception handler labels.
5347 2000-05-11 Stan Cox <scox@cygnus.com>
5349 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5350 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5351 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5353 2000-05-11 Bruce Korb <bkorb@gnu.org>
5355 * fixinc/fixfixes.c (double_slash_fix): obsolete
5356 (else_endif_label_fix): obsolete
5357 (format_fix): new, unused as yet
5359 * fixinc/fixlib.h: added fix description struct for use by format_fix
5360 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5361 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5362 modules. Removed the vestiges of the script version.
5363 Added support for "make check".
5364 * fixinc/check.diff: base diff file (needs work!!)
5365 * fixinc/check.tpl: quiet the fixup output
5366 * fixinc/fixtests.c (main): obsolete
5367 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5368 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5370 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5372 * toplev.c (rest_of_compilation): Remove dead code after
5375 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5377 * cpphash.c (collect_funlike_expansion): Make "# is not
5378 followed by a macro argument name" a pedwarn, not an error.
5379 Preserve the # in the output. Suppress the warning if lang_asm.
5381 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5383 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5384 * configure: Rebuilt.
5386 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5388 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5390 2000-05-10 Kazu Hirata <kazu@hxi.com>
5392 * combine.c (try_combine): Fix a typo.
5394 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5396 * config/ia64/ia64.md (insv): Add comment.
5398 2000-05-10 Richard Henderson <rth@cygnus.com>
5400 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5401 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5402 dependancies on FPBIT and DPBIT.
5404 2000-05-10 Nick Clifton <nickc@redhat.com>
5406 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5407 when optimising for size.
5408 (mark_used_regs:) Ditto.
5409 (try_pre_increment_1): Ditto.
5411 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5413 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5414 Make error message friendlier.
5416 * cpphash.h (struct hashnode): Use struct hack for name
5418 * cpphash.c (struct hashdummy): New.
5419 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5420 (make_HASHNODE): No need to set ->name pointer. Correct
5422 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5424 2000-05-10 Richard Henderson <rth@cygnus.com>
5426 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5429 2000-05-10 Bruce Korb <bkorb@gnu.org>
5431 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5433 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5435 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5436 after we enter .debug.
5438 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5440 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5441 abstract instance of a nested inline function.
5443 * stor-layout.c (finish_record_layout): finalize_type_size
5444 before laying out the pending_statics.
5446 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5448 * cpplex.c (spell_token): New function.
5449 (spell_string, spell_comment, spell_name): fold into
5452 (E, H): Remove macros.
5453 (save_comment): Save comment opening characters too.
5454 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5456 * cpplib.h (I, S): Add macros.
5457 (E, H): Remove macros.
5458 (TTYPE_TABLE): Update entries for new speller.
5459 (SYNTAX_ASSERT): Remove.
5461 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5463 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5464 when removing escaped newlines. Reverse sense of test for
5467 2000-05-09 Richard Henderson <rth@cygnus.com>
5469 * flow.c (find_basic_blocks_1): Do not delete the first
5470 bb_note we run across.
5471 (create_basic_block): Use reorder_insns to move an existing
5472 bb_note to the correct place.
5474 2000-05-09 Richard Henderson <rth@cygnus.com>
5476 * calls.c (expand_call): Increment currently_expanding_call
5477 before calling optimize_tail_recursion.
5479 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5481 * reload1.c (reload_combine): Fix errors in last change.
5483 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5485 * gcc.c (used_arg): Skip over a semicolon at the end of the
5486 split-up loop; don't break out of it.
5488 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5489 (tree.o): Depend on output.h.
5491 * c-decl.c (pending_invalid_xref_file,
5492 current_function_prototype_file): Constify.
5493 (pushdecl): Constify a local char *.
5494 (define_label): Constify filename parameter.
5495 * c-lex.c (init_parse): Constify parameter and return value.
5496 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5497 * c-tree.h: Update prototypes.
5498 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5499 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5500 objc/objc-parse.c: Regenerate.
5502 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5503 * dwarfout.h: Update prototypes.
5504 * expr.c (expand_expr): Constify a local char *.
5505 * flags.h: Constify main_input_filename.
5506 * function.c (expand_function_end): Constify filename parameter.
5507 * genrecog.c (make_insn_sequence): Use a character array for
5509 (main): Remove unused variables.
5510 * input.h: Constify input_filename, main_input_filename, and
5511 file_stack.name. Update prototypes.
5512 * output.h: Declare first_global_object_name and
5513 weak_global_object_name here, as const char *.
5514 * stmt.c (expand_asm_operands): Constify filename parameter.
5515 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5516 Constify filename parameter.
5517 (input_filename, main_input_filename): Constify.
5518 * toplev.h: Update prototypes.
5519 * tree.c: Include output.h. Don't declare
5520 first_global_object_name or weak_global_object_name. Clean up string
5521 bashing in get_file_function_name_long.
5522 * tree.h (struct tree_decl): Constify filename member.
5523 (input_filename): Constify.
5525 * varasm.c (first_global_object_name, weak_global_object_name):
5527 (assemble_start_function, assemble_variable): Clean up string bashing.
5529 * gcc.c: Constify all spec-related strings initialized,
5530 transitively, from string constants. Constify all strings
5531 and string variables related to multilibs.
5532 (set_spec, read_specs): Cast argument to free to PTR.
5533 (used_arg): Do not modify multilib_matches. Use strncmp plus
5534 length comparison to compare multilib switches.
5535 * genmultilib: Constify everything declared in multilib.h.
5537 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5539 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5542 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5544 * config/avr/avr-protos.h (extra_constraint): change a type of
5545 second argument from char to int to avoid warnings.
5546 (asm_output_byte): Likewise.
5548 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5549 (initial_elimination_offset): Handle elimination from
5550 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5551 (legitimate_address_p): Use MAX_LD_OFFSET.
5552 (legitimize_address): Likewise.
5553 (out_movqi_r_mr): Likewise.
5554 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5555 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5556 (out_movsi_mr_r): Likewise.
5557 (out_movqi_mr_r): Likewise.
5558 (out_movhi_mr_r): Likewise.
5559 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5560 count as CONST_INT != 6.
5561 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5562 shift count is a CONSTANT_P, but not a CONST_INT.
5563 (ashlhi3_out): Coding style modifications.
5564 (ashlsi3_out): Likewise.
5565 (ashrhi3_out): Likewise.
5566 (ashrsi3_out): Likewise.
5567 (lshrhi3_out): Likewise.
5568 (lshrsi3_out): Likewise.
5569 (ashrqi3_out): Generate shift for any known constant count without
5570 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5571 but not a CONST_INT.
5572 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5573 shift count is a CONSTANT_P, but not a CONST_INT.
5574 (extra_constraint): change a type of
5575 second argument from char to int to avoid warnings.
5576 (asm_output_byte): Likewise.
5577 (asm_file_end): Output size generated commands count as a hex
5580 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5582 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5584 (ashlqi3): Values of "length" attribute changed. Shift count
5585 uses constraints 'n' instead of 'i'.
5586 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5587 shifts without clobber register.
5588 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5589 (call_insn): Correct test for which_alternative == 1 (was 0).
5590 (call_value_insn): Likewise.
5592 * config/avr/t-avr: Remove definition of FLOAT while generates
5595 2000-05-09 Bruce Korb <bkorb@gnu.org>
5597 * fixinc/check.tpl: Template for checking fixes
5598 * fixinc/inclhack.def: Added 'test_text' for many fixes
5599 disable hpux8_bogus_inlines on SCO
5600 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5602 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5604 * calls.c (expand_call): Reorganize somewhat in order
5605 to avoid unnecesary recalculation inside loop and make
5606 tail call failure code cleaner.
5608 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5610 * alias.c (nonlocal_reference_p): Minor reformatting.
5611 * reload.c (find_equiv_reg): Simplify logic for
5612 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5613 some some reformatting.
5614 * reload1.c (reload_combine): Don't assume everything in
5615 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5617 2000-05-08 Richard Henderson <rth@cygnus.com>
5619 * final.c (current_insn_predicate): New.
5620 (final_scan_insn): Set it.
5621 * output.h (current_insn_predicate): Declare.
5623 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5624 Attach it to call insns.
5625 (cond_exec_process_if_block): Track probability for true and
5627 (dead_or_predicable): Likewise.
5629 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5630 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5631 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5632 (estimate_probability, expected_value_to_br_prob): Use them.
5634 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5635 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5636 (ia64_expand_prediction): New.
5637 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5638 as needed after calls.
5639 (ia64_epilogue_uses): Mark b0 used.
5640 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5641 (bne_true, bne_false): Remove.
5642 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5643 (br_true, br_false): New. Use predicate_operator and
5644 ia64_expand_prediction.
5645 (return_true, return_false): Likewise.
5646 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5647 (call_internal1, call_value_internal): Likewise.
5648 (call_value_internal1, call_multiple_values_internal1): Likewise.
5650 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5652 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5654 2000-05-08 Richard Henderson <rth@cygnus.com>
5656 * rtlanal.c (may_trap_p): Consider old-style and volatile
5659 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5661 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5663 2000-05-08 Richard Henderson <rth@cygnus.com>
5665 * config/ia64/ia64.h (predicate_operator): Declare.
5667 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5670 * gensupport.c (process_rtx): Copy and post-process each member
5671 of the define_insn rtvec individually.
5673 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5675 * cpplex.c (spell_token): New function.
5676 (TOKEN_LEN): Add 1 for whitespace.
5677 (_cpp_lex_file): Update to use spell_token.
5678 * cpplib.h (E): Remove.
5679 (TTYPE_TABLE): Update CPP_VSPACE entry.
5681 2000-05-08 Richard Henderson <rth@cygnus.com>
5683 * flow.c (init_propagate_block_info): Watch out for conditional
5684 branch to next instruction, and thus one outgoing edge.
5686 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5687 for global register variables; don't special case __[CD]TOR_LIST__;
5688 mind ggc_p for string allocation.
5690 2000-05-08 Nick Clifton <nickc@cygnus.com>
5692 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5694 2000-05-08 Bruce Korb <bkorb@gnu.org>
5696 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5697 i?86-*-msdosdjgpp* no longer uses fixincludes
5698 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5699 * fixinc/inclhack.sh: deleted
5700 * fixinc/hackshell.tpl: deleted
5701 * fixinc/inclhack.tpl: deleted
5702 * fixinc/Makefile.in: Remove dependencies on above
5703 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5705 2000-05-08 Andreas Jaeger <aj@suse.de>
5707 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5710 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5712 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5715 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5717 * cpplex.c: Move new lexer definitions and prototypes
5718 to top. Conditional include these and the code if
5719 NEW_LEXER is defined. Rename functions whose names
5720 clash if this code included.
5722 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5724 * rtl.def (COND_EXEC): Clarify.
5726 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5727 same fashion as zero_extendsidi2.
5729 2000-05-06 Richard Henderson <rth@cygnus.com>
5731 * config/ia64/ia64.c (predicate_operator): New.
5732 (ia64_print_operand): Handle 'J'.
5733 (rtx_needs_barrier): Handle COND_EXEC.
5734 * config/ia64/ia64.h (BRANCH_COST): Define.
5735 (PREDICATE_CODES): Update.
5736 * config/ia64/ia64.md: Docuement used unspec values.
5737 (attr predicable): New.
5738 (movxf, movxf_internal): New.
5739 (extendsfdf2): Don't comment out nop.
5740 (floatdidf2): Remove.
5741 (truncxfsf2, truncxfdf2, floatdixf2): New.
5742 (abssi2, absdi2): Put the neg in the "true" slot.
5743 (conditional branch instructions): Mark not predicable.
5744 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5745 (abs*_internal): Likewise.
5746 (alloc, set_bsp): Mark not predicable.
5747 (barrier, insn_group_barrier, flush_cache): Likewise.
5748 (define_cond_exec): New.
5750 2000-05-06 Richard Henderson <rth@cygnus.com>
5752 * c-decl.c: Include "tm_p.h".
5754 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5755 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5756 (ia64_expand_op_and_fetch): Declare.
5757 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5758 (setjmp_operand): Constify variables for XSTR.
5759 (ia64_encode_section_info): Likewise.
5760 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5762 (ia64_asm_output_external): Constify name.
5763 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5764 (process_for_unwind_directive): Provide switch default.
5765 (ia64_expand_compare_and_swap): Remove unused variables.
5766 (ia64_expand_builtin): Likewise.
5767 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5770 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5771 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5772 (shift_count_operand, shift_32bit_count_operand): Likewise.
5773 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5774 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5775 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5776 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5777 (ia64_expand_builtin): Likewise.
5778 (call_multiple_values_operation): Make dest_regno unsigned.
5780 2000-05-06 Richard Henderson <rth@cygnus.com>
5782 * rtl.def (DEFINE_COND_EXEC): New.
5783 * md.texi: Document it.
5785 * gensupport.c (input_file): Remove.
5786 (struct queue_elem): Add lineno.
5787 (rtx_ready_queue): Remove.
5789 (predicable_default): New.
5790 (predicable_true, predicable_false): New.
5791 (define_attr_queue, define_attr_tail): New.
5792 (define_insn_queue, define_insn_tail): New.
5793 (define_cond_exec_queue, define_cond_exec_tail): New.
5794 (other_queue, other_tail): New.
5795 (queue_pattern): New.
5796 (process_rtx): Add patterns to the appropriate queues.
5797 (is_predicable, identify_predicable_attribute): New.
5798 (n_alternatives, collect_insn_data): New.
5799 (alter_predicate_for_insn, alter_test_for_insn): New.
5800 (shift_output_template, alter_output_for_insn): New.
5801 (process_one_cond_exec, process_define_cond_exec): New.
5802 (init_md_reader): Read the entire file. Process define_cond_exec.
5803 (read_md_rtx): Return elements from the queues.
5805 2000-05-06 Richard Henderson <rth@cygnus.com>
5807 * flow.c (mark_set_1): Don't update conditional life info
5808 if the register is not_dead.
5810 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5812 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5813 (mostlyclean): Also delete fixincl, fixinc.sh, and
5814 specs.ready, and make clean in the fixinc subdir.
5816 2000-05-06 Richard Henderson <rth@cygnus.com>
5818 * Makefile.in (gensupport.o): Compile for the host.
5819 (host-prefix gensuuprt.o): Remove.
5820 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5821 (genattrtab.o): Likewise.
5822 (gencodes.o): Depend on gensupport.h.
5823 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5824 (genpeep.o, genattr.o, genoutput.o): Likewise.
5826 * gensupport.c (obstack, rtl_obstack): New.
5827 (init_md_reader): Initialize rtl_obstack.
5828 * gensupport.h (rtl_obstack): Declare.
5829 (message_with_line): Declare.
5831 * genattr.c: Remove all traces of obstack manipulation.
5832 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5833 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5835 * genattrtab.c (obstack, rtl_obstack): Remove.
5836 (main): Don't init rtl_obstack.
5837 * genflags.c: Likewise.
5839 * genrecog.c (message_with_line): Move ...
5840 * gensupport.c: ... here.
5842 2000-05-06 Richard Henderson <rth@cygnus.com>
5844 * c-typeck.c (build_c_cast): Remove dead code.
5846 2000-05-06 Richard Henderson <rth@cygnus.com>
5848 * flow.c (split_edge): Don't allocate global_live_at_start for
5849 the new block unless the old blocks had them as well.
5851 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5853 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5854 test_bb if a or b uses x.
5856 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5858 * cpphash.h: Remove conditional #define of __extension__.
5859 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5860 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5861 (ENABLE_RTL_CHECKING only).
5862 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5863 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5864 (ENABLE_TREE_CHECKING only).
5865 * varray.h: Add __extension__ to VARRAY_CHECK macro
5866 (ENABLE_CHECKING only).
5868 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5870 Use new tail-calling mechanism on ARM.
5871 * arm.md (sibcall, sibcall_value): New expands.
5872 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5873 (tailcalling peepholes): Delete.
5874 (push_multi): Simplify.
5875 * arm.c (lr_save_eliminated): Delete definition.
5876 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5877 (output_return_instruction): Remove checks on lr_save_eliminated.
5878 (output_arm_prologue): Remove old tail-calling code.
5879 (arm_output_epilogue): New parameter, really_return. All callers
5880 changed. Handle tail-calling epilogues.
5881 * arm.h (lr_save_eliminated): Delete declaration.
5882 (frame_pointer_needed): Delete declaration.
5883 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5885 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5887 * arm.c (thumb_code): Define it.
5888 (arm_override_options): Set it.
5889 * arm.h (thumb_code): Declare it.
5891 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5893 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5895 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5897 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5898 bogus clobber to insns.
5899 (load_multiple_operation, store_mulitple_operation): Don't check
5901 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5903 * arm.md (and_scc, ior_scc): Add missing mode.
5905 * arm.md (call_value_symbol): Remove predicate from op2.
5907 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5909 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5911 * expr.c (get_subtarget): New function.
5912 (force_operand, expand_expr, do_store_flag): Use it.
5914 * toplev.c (compile_file): Don't take strlen of NAME if null.
5916 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5918 * xcoffout.c (xcoff_current_include_file,
5919 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5920 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5922 (xcoffout_declare_function): Make name 'const char *'.
5923 (xcoffout_end_epilogue): Make fname 'const char *'
5924 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5925 xcoffout_declare_function, xcoffout_source_line): Match above.
5927 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5929 * rs6000.c (print_operand): Fix lossage typo.
5930 (output_cbranch): Remove "cr" decoration for now.
5931 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5933 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5935 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5938 2000-05-05 Bruce Korb <bkorb@gnu.org>
5940 * fixinc/genfixes: Improve the matching for make target names
5942 2000-05-05 Catherine Moore <clm@cygnus.com>
5944 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5945 attribute to the decl.
5946 * c-decl.c (pushdecl): Propagate the USED attribute to the
5949 2000-05-05 Richard Henderson <rth@cygnus.com>
5951 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5952 same way emit_group_load does.
5954 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5956 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5958 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5961 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5963 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5965 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5967 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5968 to support -shared, on platforms with dynamic libraries.
5970 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5972 * system.h (S_ISBLK): Provide fallback definition.
5974 2000-05-05 Geoff Berry <geoffb@bops.com>
5976 * extend.texi (Extended Asm): Document inability to give asm
5977 statements access to condition codes.
5979 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
5981 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
5982 as arg 2 of UNIQUE_SECTION.
5984 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
5986 * predict.c: Remove May 4 change.
5987 * bb-reorder.c (make_reorder_chain): Do not perform block movement
5988 if we have predicted the branch at 50-50 probability.
5990 2000-05-05 Richard Henderson <rth@cygnus.com>
5992 * flow.c (init_propagate_block_info): Fix merge error
5993 in HAVE_conditional_execution code.
5995 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
5997 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
5998 shift cycle for unknown shift count. Also generates dec + brpl.
5999 (ashlqi3_out): Don't generate dec + brpl which now generates by
6000 `out_shift_with_cnt'.
6001 (ashlhi3_out): Likewise.
6002 (ashlsi3_out): Likewise.
6003 (ashrqi3_out): Likewise.
6004 (ashrhi3_out): Likewise.
6005 (ashrsi3_out): Likewise.
6006 (lshrqi3_out): Likewise.
6007 (lshrhi3_out): Likewise.
6008 (lshrsi3_out): Likewise.
6010 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
6012 * gcc.c (free_split_directories): Correct typo in explanation
6013 of make_relative_prefix.
6015 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6017 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
6018 comparison codes to branch_comparison_operator.
6020 2000-05-04 Richard Henderson <rth@cygnus.com>
6022 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
6024 2000-05-04 Richard Henderson <rth@cygnus.com>
6026 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
6027 (DPBIT_FUNCS): Remove _sf_to_usi.
6028 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
6030 * ifcvt.c (noce_process_if_block): Fail if A or B modified
6031 between condition and jump.
6033 * libgcc2.c (near eh_context_specific): Comment #endif string.
6034 * longlong.h: Don't use strings with embedded newlines.
6036 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6038 * config/rs6000/rs6000-protos.h: Add output_cbranch.
6039 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
6040 (print_operand): Delete %t and %T codes.
6041 (output_cbranch): New function. Support branch prediction.
6042 * config/rs6000/rs6000.md: Use output_cbranch for
6043 conditional branches and returns.
6045 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
6047 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
6048 * stor-layout.c (place_field): Likewise.
6049 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
6050 * expr.c (store_expr): Make align unsigned.
6051 * explow.c (plus_constant_wide): Make low words unsigned.
6052 * expmed.c (choose_multiplier): Likewise.
6053 * fold-const.c (fold): Likewise.
6054 * tree.h (build_int_2): Likewise.
6055 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
6056 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
6057 (init_emit): Change cast to unsigned char*.
6058 * varasm.c (compare_constant_1): Add cast to char*.
6059 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
6060 * reload1.c (reload): Likewise.
6062 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
6064 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
6066 * predict.c (estimate_probability): If no prediction was found, then
6067 predict the successor that is the next physical block (if such a
6070 2000-05-04 Richard Henderson <rth@cygnus.com>
6072 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
6074 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6076 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
6078 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
6080 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
6081 attribute macros from here ...
6082 (CPP_SPEC): to here.
6083 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6084 (CPP_SPEC): Likewise.
6085 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
6087 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
6088 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
6090 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6092 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
6094 * diagnostic (vbuild_message_string, build_message_string,
6095 build_location_prefix, output_get_prefix, init_output_buffer,
6096 output_notice, vline_wrapper_message_with_location,
6097 v_message_with_decl, default_print_error_function): De-constify.
6098 (set_real_maximum_length): Prototype.
6100 * diagnostic.h (struct output_buffer, init_output_buffer,
6101 output_get_prefix, output_set_prefix): De-constify.
6103 * function.c (init_function_start): Constify.
6105 * gensupport.c (remove_constraints, process_rtx): Prototype.
6107 * gthr-posix.h: Indent uses of #pragma.
6109 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6112 * predict.c (find_expected_value): Delete prototype.
6113 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6115 * sbitmap.h (debug_sbitmap): Prototype.
6117 * ssa.c (compute_coalesced_reg_partition): Prototype.
6119 * stor-layout.c (debug_rli): Prototype.
6121 * tree.h (round_down): Prototype.
6122 (init_function_start): Constify.
6124 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6126 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6127 (overly conservative). Change extern inline wrappers to
6128 static inline, define them always, use PARAMS properly.
6129 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6130 whitespace warnings for \f and \v at the beginning of a line.
6132 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6134 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6137 2000-05-04 Bruce Korb <bkorb@gnu.org>
6139 * fixincl/inclhack.def: added broken_cabs -
6140 Remove `extern double cabs' declarations from math.h
6141 * fixincl/inclhack.sh: regen
6142 * fixincl/fixincl.x: regen
6143 * fixincl/fixincl.c: Remove BOGOSITY code
6144 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6146 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6148 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6150 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6151 when calling MEM_COPY_ATTRIBUTES.
6152 * emit-rtl.c (operand_subword, change_address): Likewise.
6153 * explow.c (stabilize): Likewise.
6154 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6155 * integrate.c (copy_rtx_and_substitute): Likewise.
6156 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6157 when calling MEM_COPY_ATTRIBUTES.
6158 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6160 * cse.c (gen_lowpart_if_possible): Likewise.
6161 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6162 * optabs.c (gen_move_insn): Likewise.
6163 * recog.c (validate_replace_rtx_1): Likewise.
6164 * simplify-rtx.c (add_mem_for_addr): Likewise.
6165 * stmt.c (expand_anon_union_decl): Likewise.
6166 * config/arm/arm.md: Likewise.
6167 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6168 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6169 (block_move_no_loop, block_move_sequence): Likewise.
6170 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6171 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6172 Clear MEM_ALIAS_SET.
6173 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6174 MEM_COPY_ATTRIBUTES.
6176 2000-05-03 Robert Lipe <robertlipe@usa.net>
6178 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6179 to suppress libgcc1.
6180 (i[34567]86-*-sco3.2v5*) Likewise.
6181 (i[34567]86-*-sco3.2v4*) Likewise.
6182 (i[34567]86-*-sco) Likewise.
6183 (i[34567]86-*-solaris2) Likewise.
6184 (i[34567]86-*-sysv5*) Likewise.
6185 (i[34567]86-*-sysv4*) Likewise.
6186 (i[34567]86-*-udk*) Likewise.
6187 (i[34567]86-*-sysv*) Likewise.
6189 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6191 * cpphash.h (U): New define, to correct type of string constants.
6192 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6193 routines, to do casts when passing unsigned strings to libc.
6194 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6196 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6197 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6198 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6199 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6200 second argument an U_CHAR *.
6202 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6203 length field, clean up initializer.
6204 (ISTABLE): Add __extension__ to designated-
6205 initializers version.
6206 * cpplex.c (CHARTAB): Likewise.
6208 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6209 case so the file won't be empty.
6211 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6213 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6214 (REORDER_BLOCK_SUCC): Removed.
6215 (enum reorder_skip_type): Removed.
6216 (skip_insns_between_block): Renamed to skip_insns_after_block.
6217 Removed second argument. Removed dead code and cleaned up.
6218 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6219 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6220 second parameter to skip_insns_after_block.
6222 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6224 * tree.c (staticp, case LABEL_DECL): New case.
6226 2000-05-03 Richard Henderson <rth@cygnus.com>
6228 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6230 * mklibgcc1.in: Fix typo last change.
6232 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6234 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6235 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6236 (GCC_CFLAGS): Use it.
6237 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6238 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6239 objc/Make-lang.in: Use it.
6241 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6243 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6245 2000-05-03 Richard Henderson <rth@cygnus.com>
6247 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6248 LIBGCC1 empty with libgcc1.null.
6250 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6252 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6255 2000-05-03 Greg McGary <gkm@gnu.org>
6257 * tree.h (tree_common): Add bounded_flag member. Remove
6258 inaccurate comment about number of remaining bits.
6259 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6260 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6261 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6262 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6263 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6264 (TYPE_QUAL_BOUNDED): New constant.
6265 (TYPE_QUALS): Handle bounded qualifier.
6266 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6267 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6268 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6269 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6270 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6271 (tree_type): Add pointer_depth member. Remove
6272 inaccurate comment about number of remaining bits.
6273 (DECL_POINTER_DEPTH): Add macro.
6274 (tree_decl): Add pointer_depth member.
6276 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6278 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6279 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6280 (lshrhi3_out): Likewise.
6281 (ashrsi3_out): bugfix in shift by 8.
6282 (test_hard_reg_class): New function.
6283 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6284 (ashlhi3): removed define_expand of this pattern.
6285 (*ashlhi3_insn): renamed to ashlhi3.
6286 (ashlsi3): removed define_expand of this pattern.
6287 (*ashlsi3_insn): renamed to ashlsi3.
6288 (ashrqi3): removed define_expand of this pattern.
6289 (*ashrqi3_insn): renamed to ashrqi3.
6290 (ashrhi3): removed define_expand of this pattern.
6291 (*ashrhi3_insn): renamed to ashrhi3.
6292 (ashrsi3): removed define_expand of this pattern.
6293 (*ashrsi3_insn): renamed to ashrsi3.
6294 (lshrhi3): removed define_expand of this pattern.
6295 (*lshrhi3_insn): renamed to lshrhi3.
6296 (lshrsi3): removed define_expand of this pattern.
6297 (*lshrsi3_insn): renamed to lshrsi3.
6299 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6301 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6302 inclusion of "system.h".
6304 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6306 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6309 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6311 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6312 if -mauto-pic is on.
6313 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6314 -mconstant-gp is in effect and function-descriptors are being used
6315 to make indirect calls.
6316 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6317 (MASK_AUTO_PIC): Ditto.
6318 (TARGET_CONST_GP): Ditto.
6319 (TARGET_AUTO_PIC): Ditto.
6320 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6321 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6322 -mno-pic is in effect.
6323 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6324 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6325 -mauto-pic is in effect.
6326 (gprel64_offset): New pattern.
6327 (load_gprel64): Ditto.
6328 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6329 -mconstant-gp is in effect, no need to preserve gp around direct
6331 (call_value): Ditto.
6332 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6333 (FUNCTION_PROFILER): Define.
6334 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6335 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6336 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6338 2000-05-03 Richard Henderson <rth@cygnus.com>
6340 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6341 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6342 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6343 (mklibgcc, libgcc.mk): New targets.
6344 (libgcc.a): Use libgcc.mk.
6345 (stmp-multilib): Likewise.
6346 (stmp-multilib-sub): Remove.
6347 (mostlyclean): Don't delete libgcc2 temp files.
6348 * configure.in (AC_PROG_CC_C_O): Add.
6349 (NO_MINUS_C_MINUS_O): Substitute it.
6350 (all_outputs): Add mklibgcc.
6351 * mklibgcc.in: New file.
6353 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6355 * cppexp.c (op_t): Make an int.
6357 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6359 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6361 * gensupport.c (process_rtx): Fix macros used.
6363 2000-05-03 Richard Henderson <rth@cygnus.com>
6365 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6366 call-clobbered registers of a call.
6368 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6370 * gensupport.c: New file.
6371 * gensupport.h: New file.
6372 * Makefile.in (HOST_RTL): Depend on gensupport.
6373 (gensupport.o) New rule.
6374 * genattr.c: Use gensupport for reading .md files.
6375 * genattrtab.c: Ditto.
6376 * gencodes.c: Ditto.
6377 * genconfig.c: Ditto.
6379 * genextract.c: Ditto.
6380 * genflags.c: Ditto.
6381 * genopinit.c: Ditto.
6382 * genoutput.c: Ditto.
6384 * genrecog.c: Ditto.
6385 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6386 * md.texi (Insn Splitting): Document define_insn_and_split.
6388 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6390 * flow.c (verify_flow_info): Added two more sanity checks. The
6391 first checks that the blocks are numbered consecutively. The second
6392 checks that n_basic_blocks is actually equal to the number of
6393 basic blocks in the insn chain.
6395 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6397 * cpplib.h: Add accessor macros for token lists.
6398 * cpplib.c, cpphash.c, cpplex.c: Use them.
6400 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6402 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6403 memory usage if not in a function.
6404 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6405 return address if static.
6407 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6409 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6410 whether address may trap.
6412 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6414 * bb-reorder (chain_reorder_blocks): Changed code to test for
6415 EDGE_FALLTHRU rather than making erroneous assumption that the
6416 first outgoing edge is the fall-through edge.
6418 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6420 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6421 ABI for varargs, across all MIPS. This is incompatible because the
6422 va_list (__builtin_va_list) structure is different, so a compilation
6423 unit passing a va_list and a compilation unit being passed one, should
6424 both be compiled with the same ABI. (The old structure had two
6425 pointers, now it has three.)
6427 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6429 * bb-reorder.c (struct reorder_block_def): Remove members end,
6430 block_begin, and block_end.
6431 (REORDER_BLOCK_OLD_END): Delete.
6432 (REORDER_BLOCK_BEGIN): Delete.
6433 (REORDER_BLOCK_END): Delete.
6434 (chain_reorder_blocks): Remove dead code.
6436 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6438 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6439 notes as the end of a basic block before deleting.
6441 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6443 * final.c (final_start_function): Fix spelling of "necessary".
6445 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6447 * toplev.c (debug_ignore_block): Return int.
6448 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6449 * toplev.h, dwarf2out.h: Adjust.
6450 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6452 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6453 * toplev.c, final.c, rtl.h: Adjust.
6455 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6457 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6458 * configure.in: Look for makeinfo in the unified tree, then
6459 for a system makeinfo which is sufficiently new.
6460 * Makefile.in: If configure says makeinfo is too old, don't
6461 build or install Info documentation.
6463 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6465 * cpphash.c (collect_params): Fix off-by-one error.
6466 (dump_hash_helper): Dump all four macro nodetypes.
6468 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6470 * cpphash.c (trad_stringify): Adjust p after stringification as
6473 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6475 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6476 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6478 * cppfiles.c (file_cleanup): Delete.
6479 * cpphash.c (macro_cleanup): Delete.
6480 (collect_objlike_expansion, collect_funlike_expansion,
6481 macarg, scan_arguments): Remove CPP_POP case.
6483 * cpplex.c (null_cleanup): Delete.
6484 (cpp_pop_buffer): Do the work that was done in the cleanups
6485 here. Call _cpp_unwind_if_stack from here.
6486 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6487 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6488 stack is the buffer _below_ the one we stacked.
6489 (cpp_get_token): Always pop an exhausted buffer. Return
6490 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6491 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6492 increment the line number.
6493 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6495 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6496 we see CPP_EOF and the top of stack is the buffer _below_ the
6498 * scan-decls.c: Likewise.
6500 2000-05-02 Andrew Haley <aph@cygnus.com>
6502 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6503 where this function is called for the second time on a decl that
6504 has had its section info changed in such a way as to move it out
6506 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6508 2000-05-01 Richard Henderson <rth@cygnus.com>
6510 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6511 the sequence we're moving, not to merge_bb->head.
6513 2000-05-01 Richard Henderson <rth@cygnus.com>
6515 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6516 reference to alpha/t-linux.
6517 (alpha*-*-linux-gnu*): Likewise.
6518 * configure: Rebuild.
6520 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6522 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6525 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6527 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6529 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6532 2000-05-01 Richard Henderson <rth@cygnus.com>
6534 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6535 emit_conditional_move.
6537 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6539 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6540 as the dynamic linker.
6542 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6544 * cppfiles.c (open_include_file): Open file in blocking mode.
6545 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6546 Only exclude block devices and directories.
6548 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6549 static. Allocate the hashnode and its string in the same
6551 (del_HASHNODE): Don't free h->name.
6552 (_cpp_lookup): If there is no entry for this string, create
6553 one, of type T_VOID.
6554 (_cpp_lookup_slot): Delete.
6555 * cpphash.h: Update prototypes.
6557 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6559 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6560 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6561 node here, just fill in the value field properly. "Delete"
6562 entries by setting the value field to T_VOID. Check for
6563 hp->type == T_VOID, not hp == NULL.
6565 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6566 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6569 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6571 * config/mn10300/mn10300.c (print_operand_address): Do not add
6574 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6575 adjusted by less than 256 bytes, use ret regardless of having any
6576 callee-saved register to restore.
6578 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6580 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6582 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6584 * config/i386/djgpp.h (INT_ASM_OP): Define.
6585 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6586 (ASM_WEAKEN_LABEL): Define.
6587 (MASK_BNU210): Define.
6588 (SUBTARGET_SWITCHES): Define.
6589 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6590 (MAKE_DECL_ONE_ONLY): Define.
6591 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6593 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6595 * i386/cygwin.h (INT_ASM_OP): Define.
6597 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6599 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6600 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6602 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6604 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6605 __tmp_reg__ and __zero_reg__ initialization.
6607 2000-04-30 Richard Henderson <rth@cygnus.com>
6609 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6611 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6612 referenced bewteen the condition and the jump. Don't delete
6613 anything but the jump.
6615 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6617 * bb-reorder.c (scope_def): New struct.
6618 (scope_forest_info): New struct.
6619 (struct reorder_block_def): New member "scope".
6620 (REORDER_BLOCK_SCOPE): New macro.
6621 (relate_bbs_with_scopes): New function and prototype.
6622 (make_new_scope): Likewise.
6623 (build_scope_forest): Likewise.
6624 (remove_scope_notes): Likewise.
6625 (insert_intra_1): Likewise.
6626 (insert_intra_bb_scope_notes): Likewise.
6627 (insert_inter_bb_scope_notes): Likewise.
6628 (rebuild_scope_notes): Likewise.
6629 (free_scope_forest_1): Likewise.
6630 (free_scope_forest): Likewise.
6631 (dump_scope_forest): Likewise.
6632 (dump_scope_forest_1): Likewise.
6633 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6634 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6636 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6637 and remove_scope_notes before reordering is done. Added calls to
6638 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6639 after reordering is done.
6641 2000-40-30 Bruce Korb <bkorb@gnu.org>
6643 * fixinc/inclhack.def: Added definitions needed by OSR5,
6644 removed two stale entries (defined away with OLD_CPP).
6645 * fixinc/inclhack.sh: regen
6646 * fixinc/fixincl.x: regen
6648 2000-04-30 Richard Henderson <rth@cygnus.com>
6650 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6651 from the last insn in the sequence.
6653 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6655 * cpplex.c (cpp_idcmp): New function.
6656 * cpplib.h: Prototype it.
6657 * scan_decls.c (scan_decls): Use it to inspect token names.
6658 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6659 the file being run through the preprocessor.
6660 (check_macro_names): Provide length of token to cpp_defined.
6662 * Makefile.in: Remove stale warning message.
6664 * cppfiles.c (redundant_include_p): Provide length of token to
6666 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6667 values are unsigned int.
6668 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6669 (_cpp_lookup_slot): Do not calculate the hash, either.
6670 * cpphash.h: Update prototypes.
6671 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6672 Hashes are unsigned int. Calculate hash here, pass by value
6673 to _cpp_lookup_slot.
6675 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6677 * simplify-rtx.c (check_value_useless): Delete function.
6678 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6680 (cselib_invalidate_regno): Likewise.
6681 (cselib_invalidate_mem_1): Likewise.
6682 (references_value_p): Recognize useless values by the fact that they
6684 (discard_useless_values): Likewise.
6685 (cselib_record_set): This may turn a useless value
6688 2000-04-30 Richard Henderson <rth@cygnus.com>
6690 * config/d30v: New port.
6692 * configure.in (d30v-*): Set fp format.
6693 * configure: Rebuild.
6695 2000-04-30 Richard Henderson <rth@cygnus.com>
6697 * ifcvt.c: New file.
6698 * Makefile.in (OBJS): Add it.
6699 (ifcvt.o): New target.
6700 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6701 and conditional arithmetic.
6702 (find_insert_position): Remove.
6703 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6704 * toplev.c (DFI_ce, DFI_ce2): New.
6705 (dump_file): Add ce and ce2 dumps.
6706 (rest_of_compilation): Run if_convert a couple o times. Set
6707 cse_not_expected after cse2. Don't set no_new_pseudos until
6708 after sched1 or recompute_reg_usage.
6710 2000-04-30 Richard Henderson <rth@cygnus.com>
6712 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6713 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6715 2000-04-30 Richard Henderson <rth@cygnus.com>
6717 * flow.c (struct reg_cond_life_info): New.
6718 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6719 (init_propagate_block_info): Initialize them.
6720 (free_propagate_block_info): Destruct them.
6721 (mark_set_1): Consider conditional life before killing a register.
6722 (mark_regno_cond_dead): New.
6723 (free_reg_cond_life_info): New.
6724 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6725 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6726 (mark_used_reg): Record conditional life.
6728 * haifa-sched.c (schedule_insns): Disable death counting
6729 sanity check for HAVE_conditional_execution.
6731 2000-04-30 Richard Henderson <rth@cygnus.com>
6733 * Makefile.in (TIMEVAR_H): New.
6734 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6735 (timevar.h): Remove rule.
6737 2000-04-29 Richard Henderson <rth@cygnus.com>
6739 * config/alpha/crtend.asm: Use C comments instead of #.
6740 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6742 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6744 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6746 * cpphash.h (enum node_type: Take out T_MCONST.
6747 (union hashval): Move into struct hashnode.
6748 (struct hashnode): Pack tighter. Remove file, line, col
6750 * cpphash.c: Constify most of the macro-definition structures.
6751 (struct definition): Replace by struct object_defn
6752 and struct funct_defn. Put file, line, column information
6753 here. All users updated to match.
6754 (_cpp_create_definition, _cpp_macroexpand): Remove special
6755 case for #define WORD OTHERWORD.
6756 * cpplib.c (do_undef): Remove T_MCONST case.
6758 * cpphash.h: Move struct reflist, struct definition, and the
6759 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6760 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6761 * cpphash.c (_cpp_free_definition): Free data pointed to by
6762 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6763 (_cpp_create_definition, del_HASHNODE): Just call
6764 _cpp_free_definition to clear out a hashnode.
6765 * cpplib.c (do_pragma_poison): Likewise.
6767 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6769 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6770 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6771 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6772 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6773 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6774 REGNO_AM33_P): Redefine in terms of the new macros.
6775 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6776 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6777 STRUCT_VALUE): Likewise.
6778 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6779 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6781 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6783 * regmove.c (struct record_stack_memrefs_data): New.
6784 (record_stack_memrefs): New function.
6785 (combine_stack_adjustments_for_block): Use it.
6787 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6789 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6790 use special_function_p to detect alloca.
6792 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6794 * gcc.texi: Fixes for makeinfo 4.0 --html.
6796 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6798 * pcp.h: Delete file.
6800 2000-04-28 Kazu Hirata <kazu@hxi.com>
6802 * h8300.c (function_epilogue): Clean up flags when the last insn
6803 in a function is a barrier.
6805 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6807 * configure.in (sparc-hal-solaris2*): protect [] glob from
6809 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6810 rather than hard-coded constants in target_cpu_default2.
6811 * configure: Regenerate.
6813 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6815 * tree.c (get_callee_fndecl): Extract the initial value from
6818 2000-04-28 Richard Henderson <rth@cygnus.com>
6820 * varasm.c (record_constant_1): Record the CODE_LABEL when
6821 taking the address of a LABEL_REF.
6823 2000-04-28 Richard Henderson <rth@cygnus.com>
6824 Jan Hubicka <jh@suse.cz>
6826 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6827 adjustment; don't do the stack adjust.
6828 (expand_call): Call compute_argument_block_size right before
6829 allocating the block; update comment; don't do alignment sanity
6830 checking for sibling call; use args_size instead of
6831 unadjusted_args_size before args_size is adjusted. Use
6832 combine_pending_stack_adjustment_and_call to compute stack adjust
6833 for must_preallocate case.
6835 * expr.c (push_block): Remove shadow `temp' in inner scope.
6837 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6839 * toplev.c (rest_of_compilation): Call
6840 note_deferral_of_defined_inline_function even if the function
6843 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6845 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6847 2000-04-28 Richard Henderson <rth@cygnus.com>
6849 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6851 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6853 * timevar.c (init_timevar): DeANSIfy function definition.
6855 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6857 * Makefile.in (timevar.o): Depend on flags.h.
6858 * timevar.c (unused_stack_instances): New variable.
6859 (timevar_push): Take a timevar_stack_def from
6860 unused_stack_instances if available.
6861 (timevar_pop): Push the popped timevar_stack_def onto
6862 unused_stack_instances.
6863 (TIMEVAR_ENABLE): New macro.
6864 (timevar_def): Make standalone a 1-bit field. Add field used.
6865 (get_time): Rename parameter to now. Return after clearing it if
6867 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6868 (timevar_pop): Likewise.
6869 (timevar_stop): Likewise.
6870 (timevar_push): Likewise. Mark the timing variable as used.
6871 (timevar_start): Likewise.
6872 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6873 timevars that were never used.
6875 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6877 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6878 always TREE_READONLY.
6880 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6882 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6883 for call instruction with mode QImode.
6885 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6887 * Makefile.in (OBJS): Add timevar.o.
6888 (toplev.o): Depend on timevar.h.
6889 (ggc-simple.o): Likewise.
6890 (ggc-page.o): Likewise.
6891 (timevar.o): New rule.
6892 (timevar.h): New rule.
6894 * timevar.h: New file.
6895 * timevar.c: Likewise.
6896 * timevar.def: Likewise.
6898 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6899 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6901 (TIMEVAR): Remove macro.
6902 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6903 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6904 flow_time, combine_time, regmove_time, sched_time,
6905 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6906 sched2_time, dbr_sched_time, reorder_blocks_time,
6907 rename_registers_time, shorten_branch_time, stack_reg_time,
6908 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6910 (compile_file): Don't initialize time variables. Call
6911 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6912 of many calls to print_time.
6913 (rest_of_compilation): Add timing for reload_cse_regs.
6914 (get_run_time): Removed to timevar.c.
6915 (print_time): Likewise.
6916 (get_run_time): Implement using TV_TOTAL time variable.
6917 (print_time): Get total run time from get_run_time.
6918 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6919 computing elapsed time explicitly.
6920 * ggc-simple.c (ggc_collect): Likewise.
6921 (gc_time): Remove declaration.
6923 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6925 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6926 (expand_call): Use it.
6928 2000-04-27 Jan Hubicka <jh@suse.cz>
6930 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6933 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6935 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6938 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6940 * function.c (epilogue_done): Pass whole insn to record_insns.
6942 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6944 * cse.c (CSE_ADDRESS_COST): Remove.
6945 (find_best_addr): Add new parameter "MODE", use address_cost instead
6947 (address_cost): New.
6948 (fold_rtx): Update call of find_best_addr.
6949 * rtl.h (address_cost): Declare.
6950 * loop.c (general_induction_var): Add new parameter "MODE", use
6951 address_cost instead of ADDRESS_COST
6952 (init_loop): Use address_cost instead of ADDRESS_COST.
6953 (check_insn_for_givs): Update call of general_induction_var.
6954 (find_mem_givs): Likewise.
6955 (consec_sets_giv): Likewise.
6956 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6957 * i386.c (ix86_address_cost): New.
6958 * i386-protos.h (ix86_address_cost): Declare.
6960 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6962 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6965 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6967 * expr.c (store_expr): Use clear_storage instead of direct memset
6970 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6972 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6973 ASHIFT, AND and LABEL_REF.
6975 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6977 * invoke.texi (-foptimize-sibling-calls): Fix.
6979 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
6981 * loop.c (load_mems) Don't use hard registers for the hoisting.
6983 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
6984 calculation; rename const_equiv array in the preconditioning code
6985 from loop_unroll to loop_unroll_precondition
6987 2000-04-27 Richard Henderson <rth@cygnus.com>
6989 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
6991 (propagate_one_insn): Clear it. Don't update reg_live here.
6992 (init_propagate_block_info): Update for pbi member changes.
6993 (free_propagate_block_info): Likewise.
6994 (mark_set_1): Know that zero_extract, sign_extract, and
6995 strict_low_part don't kill their argument. Alter hard subregs.
6996 Update new_set for non-CLOBBER sets. Update reg_live.
6997 (find_auto_inc): Update reg_live, not new_dead.
6998 (mark_used_reg): Update reg_live, not new_live. Examine new_set
6999 to determine if the reg in question was set this insn. Only update
7000 reg info with PROP_REG_INFO.
7002 2000-04-26 Richard Henderson <rth@cygnus.com>
7004 * flow.c (allocate_reg_life_data): Set max_regno here ...
7005 (life_analysis): ... not here.
7007 * flow.c (calculate_global_regs_live): Force stack pointer
7010 2000-04-26 Richard Henderson <rth@cygnus.com>
7012 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
7013 commit change group changes.
7014 (invert_exp_1): Similarly.
7015 (redirect_exp, invert_exp): Use them.
7016 (redirect_jump_1): New.
7017 (invert_jump_1): New.
7018 (jump_optimize_1): Remove code subsumed by condexec.c.
7019 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
7021 2000-04-26 Richard Henderson <rth@cygnus.com>
7023 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
7025 * genconfig.c (main): Set all HAVE_foo to 1.
7027 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
7029 2000-04-26 Alex Samuel <samuel@codesourcery.com>
7031 * invoke.texi: Document -fssa flag.
7033 2000-04-26 Richard Henderson <rth@cygnus.com>
7035 * flow.c (count_reg_sets_1): Remove.
7036 (count_reg_sets, count_reg_references): Remove.
7037 (recompute_reg_usage): Implement with update_life_info.
7038 Reallocate life data.
7040 2000-04-26 Richard Henderson <rth@cygnus.com>
7042 * flow.c (update_life_info): Consider blocks null to mean the
7044 (calculate_global_regs_live): Likewise.
7045 (life_analysis): Do that instead of collecting all_blocks.
7047 2000-04-26 Richard Henderson <rth@cygnus.com>
7049 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
7050 a still-valid conditional jump.
7052 2000-04-26 Richard Henderson <rth@cygnus.com>
7054 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
7056 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
7057 * flow.c (calculate_loop_depth): Remove.
7058 * output.h (calculate_loop_depth): Don't declare.
7059 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
7060 inline; run estimate_probability at the same time.
7062 2000-04-26 Neil Booth <NeilB@earthling.net>
7064 * cpplib.h: "~=" is not a single pp-token.
7065 * cpplex.c: Correct commentary.
7067 2000-04-26 Richard Henderson <rth@cygnus.com>
7069 * flow.c (mark_set_1): New arguments code and flags; update all
7070 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
7071 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
7072 loop_depth when optimizing for size. Do new_dead update after
7073 emitting REG_UNUSED notes. Merge mark_set_reg code.
7074 (mark_set_reg): Remove.
7075 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
7076 arrange to not emit REG_UNUSED notes.
7078 2000-04-26 Richard Henderson <rth@cygnus.com>
7080 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
7081 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
7083 2000-04-26 Richard Henderson <rth@cygnus.com>
7085 * flow.c (propagate_one_insn): Break out from propagate_block.
7086 (init_propagate_block_info): Likewise.
7087 (free_propagate_block_info): Likewise.
7088 (propagate_block): Use them. Export.
7089 * basic-block.h: Declare them all.
7091 2000-04-26 Richard Henderson <rth@cygnus.com>
7093 * basic-block.h (life_analysis): Declare here ...
7094 * output.h: ... not here.
7095 * flow.c (life_analysis): Remove nregs parameter; replace
7096 remove_dead_code with flags. Remove ssa dead code check.
7097 Only init alias analysis if we'll use it.
7098 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7099 * ssa.c (convert_to_ssa): Likewise.
7100 (convert_from_ssa): Likewise.
7101 * toplev.c (rest_of_compilation): Likewise.
7103 2000-04-26 Richard Henderson <rth@cygnus.com>
7105 * flow.c (flow_delete_block): Rename from delete_block. Export.
7106 * basic-block.h (flow_delete_block): Declare.
7108 2000-04-26 David S. Miller <davem@redhat.com>
7110 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7111 taking a PATTERN of it.
7113 2000-04-26 <NeilB@earthling.net>
7115 * cpplex.c (spell_other, spell_char): Remove.
7117 (token_spelling, trigraph_map): Use unsigned chars.
7118 (_cpp_lex_line): Tidy up the switch statement.
7119 * cpplib.h: Implement spell_char with spell_string.
7122 2000-04-26 <RodneyBrown@pmsc.com>
7124 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7125 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7127 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7129 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7130 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7131 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7132 dwarf2out_return_save, dwarf2out_return_reg,
7133 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7134 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7135 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7137 * dwarf2out.h (dwarf2out_init): Likewise.
7139 * dwarfout.c (filename_entry, primary_filename, last_filename,
7140 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7142 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7143 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7144 dwarf2out_return_reg): Likewise.
7146 2000-04-26 Andreas Jaeger <aj@suse.de>
7148 * extend.texi (Function Attributes): Fix description of pure
7151 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7153 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7154 before calling rest_of_compilation.
7156 2000-04-26 Andreas Jaeger <aj@suse.de>
7158 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7161 2000-04-25 Richard Henderson <rth@cygnus.com>
7163 * cse.c (cse_insn): Emit barrier after unconditional jump.
7165 * calls.c (expand_call): Disable tail call generation once
7166 rtx_equal_function_value_matters is false.
7168 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7171 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7173 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7175 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7177 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7178 is the primary DIE for a member function.
7179 (gen_decl_die): Call set_decl_origin_self here.
7180 * dwarfout.c (output_decl): And here.
7181 * integrate.c (output_inline_function): Not here.
7182 Don't clear DECL_INLINE until after calling rest_of_compilation.
7183 (set_decl_origin_self): No longer static.
7184 * tree.h: Add prototype.
7185 * toplev.c (note_deferral_of_defined_inline_function): Only write
7186 out abstract instance for actual inlines.
7188 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7190 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7191 EXTENDED_REGS only if TARGET_AM33.
7192 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7193 SP_REGS to register allocation and reloading unless absolutely
7195 (movsi3): Remove special-case of adding non-constants to SP.
7197 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7199 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7200 INCLUDES to search and does not provide any of its own. Also it
7201 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7202 parameters. Also it does not call AC_DEFINE.
7203 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7204 AC_DEFINE and provides for automatic entries for autoheader.
7205 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7207 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7208 so we can pass -I flags and include gansidecl.h/system.h in this
7211 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7213 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7215 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7216 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7217 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7219 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7220 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7221 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7222 for these macros. Clean up spacing and linewraps.
7224 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7226 * calls.c (expand_call): Use get_callee_fndecl.
7228 * print-tree.c (print_node): Print the chain of an _EXPR.
7230 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7231 Jim Wilson <wilson@cygnus.com>
7232 Andrew Haley <aph@cygnus.com>
7234 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7235 and gp save/restore problems.
7236 * config/ia64/crtend.asm: Add IA-64 unwind support.
7237 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7238 in fr_pad_size calculation.
7239 (save_restore_insns): Move PR save area. Correct uses of
7240 RTX_FRAME_RELATED_P.
7241 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7242 (ia64_expand_epilogue): Add eh_epilogue support.
7243 (ia64_function_prologue): Emit .prologue directive.
7244 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7245 (ia64_override_options): Set init_machine_status and
7246 mark_machine_status.
7247 (rtx_needs_barrier): Handle bsp reads and writes.
7248 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7249 New static variables.
7250 (process_set, process_for_unwind_directive): New functions.
7251 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7252 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7253 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7255 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7256 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7257 (struct machine_function): Define.
7258 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7260 2000-04-25 Bruce Korb <bkorb@gnu.org>
7262 * fixinc/Makefile.in: make the removal of old programs more
7264 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7265 install-bin and install-sh
7267 2000-04-25 Nick Clifton <nickc@cygnus.com>
7269 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7270 defined, define to return zero.
7271 (function_cannot_inline_p): If a function has any target
7272 specific attributes, then use the macro
7273 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7274 whether it can be inlined. If it cannot, issue a suitable
7277 * tm.texi: Add a new node 'Inlining' to document the new macro
7278 FUNCTION_ATTRIBUTE_INLINABLE_P.
7280 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7282 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7285 2000-04-25 Neil Booth <NeilB@earthling.net>
7287 Restore previous patch, plus the following fixes:
7289 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7290 flags, not CPP_OPEN_PAREN.
7291 * cpplex.c (expand_token_space, init_token_list,
7292 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7293 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7295 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7297 * config/i386/freebsd.h (INT_ASM_OP): Define.
7299 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7301 * loop.c (strength_reduce): Fix typo in the last checkin.
7303 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7305 * stor-layout.c (finalize_record_size): Simplify to use existing
7307 (compute_record_mode): No longer static.
7308 * tree.h (compute_record_mode): New declaration.
7310 2000-04-25 Neil Booth <NeilB@earthling.net>
7312 * Revert my patch below until cause of build failures
7315 2000-04-25 Richard Henderson <rth@cygnus.com>
7317 * combine.c (combine_instructions): Add missing argument
7320 * toplev.c (rest_of_compilation): Delay sibcall optimization
7321 until after emit_eh_context.
7323 2000-04-24 Nick Clifton <nickc@redhat.com>
7325 * combine.c (combine_instructions): Do not try to combine a
7326 sequence of insns when the second insn has been replaced by a
7329 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7331 * gcc.c (load_specs): New static function.
7332 (read_specs): Use it.
7334 * gcc.c (lookup_compiler): Make multiple passes for case
7335 insensitive filesystems.
7337 2000-04-24 Neil Booth <NeilB@earthling.net>
7339 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7340 * cpphash.h (_cpp_check_directive): new.
7341 * cpplex.c (handle_newline, cpp_free_token_list,
7342 init_trigraph_map, trigraph_ok, trigraph_replace,
7343 backslash_start, skip_block_comment, skip_line_comment,
7344 skip_whitespace, parse_name, parse_number, parse_string,
7345 copy_comment, _cpp_lex_line, spell_char, spell_string,
7346 spell_comment, spell_name, spell_other, _cpp_lex_file,
7347 _cpp_output_list): new.
7348 (expand_name_space): take length argument.
7349 (init_token_list): add comment list initialisation.
7350 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7351 instead of HSPACE_BEFORE.
7353 * cpplib.c (_cpp_check_directive): new
7354 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7355 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7356 (HSPACE_BEFORE): delete.
7357 (TTYPE_TABLE): rearrange.
7358 (struct cpp_toklist): update.
7360 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7362 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7363 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7364 argument form of AC_DEFINE.
7366 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7367 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7368 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7369 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7370 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7372 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7374 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7376 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7377 deduced.h): Use -isystem, not -I, for including system headers.
7379 2000-04-24 Nick Clifton <nickc@cygnus.com>
7381 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7382 the source register is the frame pointer or arg pointer.
7383 (addsi3_small_int): Disallow if source register is the frame
7384 pointer or arg pointer.
7386 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7388 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7389 call to AC_MSG_RESULT.
7391 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7393 * invoke.texi: Correct grammatical errors, document
7394 -fno-gnu-keywords as identical to -fno-asm for C++.
7396 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7398 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7399 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7400 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7401 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7402 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7404 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7405 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7406 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7407 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7410 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7412 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7413 (pop_alignment): Likewise.
7414 (handle_pragma_token): Likewise.
7416 2000-04-24 Robert Lipe <robertlipe@usa.net>
7418 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7420 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7422 * combine.c (try_combine): Update reg_nonzero_bits of
7423 newi2pat before newpat.
7425 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7427 * loop.c (strength_reduce): Simplify test to INSN_P.
7428 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7429 expressions instead of CONST_INT.
7430 (express_from_1): Likewise.
7432 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7434 * regs.h (reg_n_max): Don't declare.
7435 * flow.c (reg_n_max): Don't define.
7436 * regclass.c (renumber): Don't initialize to zero.
7437 (regno_allocated): Likewise.
7438 (reg_n_max): Define.
7439 (allocate_reg_info): Don't initialize unnecessarily.
7441 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7443 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7444 and blockage_p in the newly allocated attribute.
7446 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7448 * config/mn10300/mn10300.md (addsi): `inc4' on address
7449 registers does not modify cc, but `inc' on an extended
7452 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7454 * reload.c (find_equiv_reg): Checks all valueno regs
7455 as a reload_reg_p regs.
7457 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7459 * cpphash.c (collect_objlike_expansion): Add sanity check.
7460 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7461 the buffer is the empty string, return. Mark __DATE__ and
7462 __TIME__ as XCONST nodes, not MCONST.
7463 (_cpp_macroexpand): Avoid pushing an empty buffer.
7464 (funlike_macroexpand): Don't pop token_buffer here.
7466 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7468 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7469 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7470 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7471 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7472 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7473 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7474 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7476 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7478 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7481 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7483 * cpphash.h (struct definition): Move file, line, col members...
7484 (struct hashnode): ... here. Also add 'disabled' flag.
7485 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7486 T_IDENTITY. Remove T_DISABLED.
7489 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7490 (collect_expansion): Split into collect_objlike_expansion and
7491 collect_funlike_expansion.
7492 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7493 funlike_macroexpand.
7494 (_cpp_compare_defs): Rename compare_defs, make static.
7495 (_cpp_make_hashnode): Initialize hp->disabled.
7496 (macro_cleanup): Adjust for new token types. Clear
7498 (_cpp_create_definition): Move code here to determine what
7499 sort of macro it is, and code to check for redefinitions, from
7500 do_define. Implement a few simple cases without creating a
7502 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7503 Handle the simple cases.
7504 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7507 * cppinit.c (builtin_array): Change MCONST to XCONST
7509 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7510 fix check for disabled and function-like macros.
7511 * cpplib.c (do_define): Move most logic to
7512 _cpp_create_definition.
7513 (do_undef): Handle new special token types.
7515 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7517 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7518 of CONSTANT_P for mult_val; always use validate_change to update insn.
7520 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7522 * cpphash.c (trad_stringify, add_pat): New functions.
7523 (collect_expansion): Restore support for -traditional syntax.
7524 Use trad_stringify and add_pat.
7525 (_cpp_macroexpand): Restore support for -traditional semantics.
7526 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7527 get a COMMENT token.
7528 (_cpp_lex_token): Provide COMMENT tokens to caller if
7529 traditional and parsing_define_directive.
7530 (skip_comment): Warn about // comments if -Wtraditional.
7531 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7533 (do_undef): Don't warn about undefining EMPTY nodes.
7535 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7537 * loop.c (strength_reduce): Fix biv removal code.
7539 2000-04-22 Richard Henderson <rth@cygnus.com>
7541 * predict.c (estimate_probability): Examine both sides of
7542 a branch for no exits. Use 90% not 50% for predict taken.
7543 Reorg for one copy of note generation code.
7545 2000-04-22 Richard Henderson <rth@cygnus.com>
7547 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7549 2000-04-22 Richard Henderson <rth@cygnus.com>
7551 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7552 (output_clear): Likewise.
7553 (output_printf): Use va_copy.
7554 (vline_wrapper_message_with_location): Likewise.
7555 (v_message_with_decl): Likewise.
7556 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7557 * system.h (va_copy): Provide default implementation.
7559 2000-04-22 Richard Henderson <rth@cygnus.com>
7561 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7562 the collected condition is not a constant.
7564 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7566 * diagnostic.h: New file.
7568 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7570 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7571 various function prototypes.
7572 (diagnostic.h): #include.
7573 (struct output_buffer): Move into diagnostic.h.
7574 (get_output_prefix): Rename to output_get_prefix. Export.
7575 (init_output_buffer): Export. Break out. Ajust intialization.
7576 (output_space_left, output_append): Export.
7577 (output_newline): Rename to output_add_newline. Export.
7578 (output_clear): Nullify additional output_buffer fields.
7579 (output_puts): Rename to output_add_string. Export.
7580 (dump_output): Rename to output_flush_on. Export.
7581 (build_location_prefix): Constify return-type.
7582 (emit_output_prefix): Rename to output_emit_prefix. Export.
7583 (set_real_maximum_length): New function.
7584 (output_set_maximum_length): Ditto
7585 (output_clear): Ditto.
7586 (output_add_character): Ditto.
7587 (output_add_integer): Ditto.
7588 (output_add_space): Ditto.
7589 (output_format): Ditto.
7590 (output_printf): Adjust buffer initialization.
7591 (vline_wrapper_message_with_location): Ditto.
7592 (v_message_with_decl): Ditto. Adjust call to output_puts
7593 and get_output_prefix.
7594 (default_print_error_function): Adjust buffer intialization.
7596 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7598 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7601 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7603 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7606 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7608 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7609 accurate data about SP moves.
7611 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7613 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7614 aliases to AM33 registers.
7616 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7618 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7619 to all EXTENDED bitmaps.
7621 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7623 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7624 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7625 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7627 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7629 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7630 the operand is not constant.
7632 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7634 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7635 as a call-clobbered regs.
7637 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7639 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7641 * rtl.def: Update comment.
7642 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7643 * integrate.c (expand_inline_function): Likewise.
7644 * profile.c (branch_prob): Likewise.
7645 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7646 * print-rtl.c (print_rtx): Likewise.
7647 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7648 (reemit_notes): Likewise; also use enum insn_note.
7650 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7651 (place_field): Properly compute know and actual alignment.
7653 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7656 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7659 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7661 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7662 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7663 (collect_expansion): Rewrite to scan over a token list.
7664 Remove -traditional support.
7665 (collect_formal_parameters): Rename to collect_params; rewrite
7666 to scan over a token list.
7667 (_cpp_create_definition): Adjust to scan a token list.
7668 (_cpp_macroexpand): Remove -traditional support.
7669 (_cpp_compare_defs): Whitespace is now canonicalized.
7670 (comp_def_part): Delete function.
7672 * cpphash.h: Update prototypes.
7673 * cpplex.c (init_token_list): Don't set lineno if there is no
7675 (pedantic_whitespace): New function.
7676 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7677 consume a newline. Use pedantic_whitespace.
7678 (_cpp_lex_token): Remove support for -traditional macros.
7679 (_cpp_get_define_token): Delete.
7680 (_cpp_get_directive_token): Do the real work here. Use
7681 pedantic_whitespace.
7682 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7684 * cpplib.c (get_macro_name): Delete.
7685 (do_define): Read the entire line into pfile->directbuf, then
7686 feed the token list to _cpp_create_definition.
7687 * cpplib.h (HSPACE_BEFORE): new define.
7688 (struct cpp_reader): Add a toklist member, "directbuf".
7690 * predict.c (estimate_probability): New heuristic: if a jump
7691 branches around a block with no successors, predict it taken.
7692 Disentangle control flow.
7694 2000-04-20 Richard Henderson <rth@cygnus.com>
7696 * loop.c (emit_iv_add_mult): Revert last change.
7698 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7700 * cpplib.h (enum cpp_ttype): Add token types for all
7701 punctuators. Distinguish pp-numbers from valid C numbers.
7702 Give some tokens better names. Initialize from macro.
7703 (struct cpp_name, cpp_token, cpp_toklist): New data
7706 * cpplex.c (bump_column, expand_name_space,
7707 expand_token_space, init_token_list, cpp_output_list,
7708 _cpp_scan_line): New functions.
7709 (output_line_command): Add third argument, new line number.
7710 * cpphash.h: Update prototypes.
7711 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7714 2000-04-20 Richard Henderson <rth@cygnus.com>
7716 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7718 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7720 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7723 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7725 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7726 REG_EQUAL note explaining the calculated value.
7728 * calls.c (expand_call): Avoid unnecesary precalculation
7729 and outgoing parameters space guarding for sibling calls.
7730 (store_one_arg): Likewise.
7732 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7734 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7735 (rest_of_compilation): Write sibling dump file and account
7736 for time as jump time.
7737 * invoke.texi: Update documentation on dump flags.
7739 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7741 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7743 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7745 * cpphash.c (special_symbol): Represent an empty macro with
7746 "\r \r " not just "\r ".
7747 (_cpp_macroexpand): Correct condition for the foo ( ) special
7749 (unsafe_chars): Handle EOF as second argument.
7750 (push_macro_expansion): Simplify test for removing escape at
7751 end. Do not trim both escapes if there is no text in between.
7753 2000-04-19 Jim Blandy <jimb@redhat.com>
7755 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7756 of PTR_SIZE, when appropriate.
7758 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7760 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7761 (USE_ENUM_BITFIELDS): Fix typo.
7763 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7765 * stor-layout.c (place_field): Set rli->offset_align properly.
7767 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7769 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7770 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7771 PARM_BOUNDARY): Remove unnecessary casts.
7773 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7775 * calls.c (precompute_arguments): Remove must_preallocate and
7777 (expand_call): Update call of precompute_arguments.
7779 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7780 check_insn_for_givs): Break out from ...
7781 (strength_reduce) ... here; use for_every_insn_in_loop to call
7782 check_insn_for_givs.
7783 * loop.h (for_every_insn_in_loop): Declare.
7784 (loop_insn_callback): New type.
7786 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7788 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7791 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7793 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7796 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7798 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7800 * configure.in: Delete --disable-cpplib option and all
7801 references to cpp_main.
7802 * configure: Regenerate.
7803 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7804 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7805 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7806 cpp$(exeext). Add --no-headers to makeinfo command line when
7807 generating INSTALL. Install and uninstall cpp.1 manpage, not
7809 * install.texi: Delete all references to cexp.y/cexp.c.
7810 Delete ancient instructions for compiling GCC on 3b1.
7811 * INSTALL: Regenerate.
7813 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7814 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7815 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7817 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7818 which is no longer tested anywhere.
7820 * cppinit.c (handle_option): Don't run error message through
7823 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7825 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7826 * cpperror.c (hashtab.h): Now include.
7827 * cppexp.c (hashtab.h): Likewise.
7828 * cpplex.c (hashtab.h): Likewise.
7829 * cppfiles.c (hashtab.h): Likewise.
7830 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7831 to htab_find_slot_with_hash.
7832 * cpphash.c (hashtab.h): Now include.
7833 (_cpp_lookup_slot): INSERT is now enum insert_option.
7834 * cpphash.h (_cpp_lookup_slot): Likewise.
7835 * cppinit.c (hashtab.h): Include earlier.
7836 (initialize_builtins): Pass enum to htab_find_slot.
7837 * cpplib.c (hashtab.h): Now include.
7838 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7839 (do_pragma_poison, do_assert): Likewise.
7840 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7841 htab_find_slot_with_hash.
7842 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7843 * tree.c (type_hash_add): Likewise.
7844 (build1): Minor cleanup.
7846 * ggc-common.c: Add missing blanks.
7847 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7848 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7850 * stmt.c (mark_case_node): New function.
7851 (mark_case_nesting): Call it.
7853 * expmed.c (emit_store_flag): If comparing two-word integer
7854 with zero, can optimize NE, EQ, GE, and LT.
7856 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7857 * conflict.c: Minor cleanups.
7858 * optabs.c: Add blank line
7859 * simplify-rtx.c: Minor cleanups.
7861 2000-04-18 Stan Cox <scox@cygnus.com>
7863 * gengenrtl.c (genlegend): Fix misspelling.
7865 2000-04-18 Robert Lipe <robertlipe@usa.net>
7867 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7868 bitfields of the host compiler are not signed quantities.
7869 * config.in: Regenerate.
7870 * configure: Regenerate.
7871 * system.h (USE_ENUM_BITFIELDS): Added.
7872 (ENUM_BITFIELDS): Added.
7873 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7874 (SHORT_ENUM_BUG): Deleted.
7875 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7877 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7878 (CODE_FIELD_BUG): Likewise.
7879 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7881 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7883 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7885 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7888 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7890 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7891 * cpplib.c (do_include, do_import, do_include_next,
7892 read_line_number, detect_if_not_defined): Likewise.
7893 * cpphash.c (collect_expansion): Likewise.
7894 (special_symbol, _cpp_macroexpand): Check return from
7896 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7897 macros. Delete all uses.
7899 * gcc.dg/cpp-mi.c: Add two more test cases.
7900 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7902 2000-04-17 Richard Henderson <rth@cygnus.com>
7904 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7905 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7907 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7909 * function.c (expand_function_start): Use hard_function_value to
7910 compute the RTL to use for DECL_RESULT.
7912 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7914 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7915 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7916 x86_memory_mismatch_stall): New global variables.
7917 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7918 alloved; fix load penalties for Athlon.
7919 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7920 x86_memory_mismatch_stall): Declare.
7921 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7922 TARGET_MEMORY_MISMATCH_STALL): New.
7923 * i386.md (athlon scheduling parameters): Fix latencies according to
7924 Athlon Optimization Manual.
7925 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7927 (fsqrt instruction patterns): Set athlon_decode to direct.
7928 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7929 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7930 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7931 and TARGET_PARTIAL_REGISTER_STALL machines.
7932 (pushdf_nointeger): New pattern.
7933 (pushdf_integer): Rename from pushdf.
7934 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7935 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7937 2000-04-17 Richard Henderson <rth@cygnus.com>
7939 * loop.c (canonicalize_condition): Add WANT_REG argument.
7940 Stop the search if we match it.
7941 * expr.h (canonicalize_condition): Update decl.
7942 * predict.c (expected_value_to_br_prob): Use it. Track last
7943 expected value note.
7944 (find_expected_value): Remove.
7946 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7948 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7950 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7951 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7953 * configure.in: Call AC_FUNC_MMAP_FILE.
7954 * configure: Regenerate.
7955 * config.in: Regenerate.
7957 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7958 * fixinc/fixincl.c: Likewise.
7960 2000-04-17 Richard Henderson <rth@cygnus.com>
7962 * builtins.c (expand_builtin_expect): New.
7963 (expand_builtin): Call it.
7964 * builtins.def (BUILT_IN_EXPECT): New.
7965 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7966 * extend.texi: Document it.
7968 * predict.c (expected_value_to_br_prob): New.
7969 (find_expected_value): New.
7970 * basic-block.h (expected_value_to_br_prob): Declare.
7971 * toplev.c (rest_of_compilation): Invoke it.
7973 * rtl.h (NOTE_EXPECTED_VALUE): New.
7974 (NOTE_INSN_EXPECTED_VALUE): New.
7975 * rtl.c (note_insn_name): Update.
7976 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7977 cases; handle NOTE_INSN_EXPECTED_VALUE.
7979 2000-04-17 Jakub Jelinek <jakub@redhat.com>
7981 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
7982 leaf sibcall delay slot if flag_pic.
7983 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
7985 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7987 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
7989 * fixproto: If fix-header fails, exit with an error.
7991 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
7993 * cse.c (struct check_depdendence_data): New.
7994 (check_dependence): New function.
7995 (invalidate): Use check_depdenence.
7997 2000-04-16 Mark Mitchell <mark@codesourcery.com>
7999 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
8000 UNITS_PER_WORD is unsigned.
8002 * tree.h (struct tree_common): Remove misleading comment.
8004 2000-04-16 Dave Pitts <dpitts@cozx.com>
8006 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
8007 message in quotes. Otherwise, IBM's make program treats the '#' as the
8008 start of a comment and ignores the remainder of the line.
8010 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
8012 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
8013 * cexp.y (initialize_random_junk): Likewise.
8014 * cppfiles.c (find_include_file): Cast alloca return value.
8015 * cppinit.c (initialize_standard_includes): Likewise.
8016 * cpplib.c (cpp_define, cpp_undef): Likewise.
8017 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
8018 * final.c (output_asm_insn): Allow for holes in EBCDIC.
8019 * fold-const.c (CHARMASK): New.
8020 (real_hex_to_f): Use it.
8021 * real.c (CHARMASK): New.
8022 (etoasc, asctoeg): Use it.
8023 (asctoeg): EBCDIC lower case characters preceed upper case.
8025 * i370.c (mvs_add_label): Change spacing for coding conventions.
8026 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
8027 outputing case vectors.
8028 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
8029 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
8030 since vector in in the data CSECT.
8031 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
8032 * i370.md (Many patterns): Put the length in the XL directives.
8033 (movdi): Put back STM and MVC in definition.
8034 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
8035 pattern using the TCA.
8036 * oe.h (CPP_SPEC): Added to allow trigraphs.
8037 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
8038 not support the "long long" type.
8040 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8042 * config/mips/mips-protos.h (mips_legitimate_address_p): New
8044 (mips_reg_mode_ok_for_base_p): Likewise.
8045 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
8046 (REG_OK_FOR_INDEX_P): Define unconditionally.
8047 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
8048 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
8049 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
8050 that GET_MODE_SIZE is unsigned.
8051 (mips_reg_mode_ok_for_base_p): Define.
8052 (mips_legitimate_address_p): Likewise. Adjust now
8053 that GET_MODE_SIZE is unsigned.
8054 (block_move_loop): Make the number of bytes unsigned.
8055 (expand_block_move): Likewise.
8056 (function_arg): Make the loop counter unsigned to match the
8059 2000-04-16 Richard Henderson <rth@cygnus.com>
8061 * rtl.h (enum insn_note): New enumeration. Subsume
8062 NOTE_INSN_DELETED and friends.
8063 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
8064 * rtl.c (note_insn_name): Tweak string order.
8066 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
8068 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
8071 * cpplex.c (output_line_command): Remove debugging prints.
8072 (cpp_output_tokens): Don't write out a zero-length buffer or
8073 try to see if it has a newline in it.
8074 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
8075 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
8076 the end of the loop. Use memmove. Don't read past the end of
8077 the buffer. Remove trailing newlines from error messages.
8079 2004-04-16 Neil Booth <NeilB@earthling.net>
8081 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
8082 * cpplib.c: Add new syntax flags to directive table, and
8085 2000-04-15 Ulrich Drepper <drepper@redhat.com>
8087 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
8090 2000-04-15 David Edelsohn <edelsohn@gnu.org>
8092 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
8093 * haifa-sched.c: Update -fsched-verbose comments to use "=".
8095 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8097 * Makefile.in (ggc-page.o): Now includes toplev.h.
8098 * ggc-page.c (toplev.h): Now included.
8099 (gc_time): Remove declaration.
8100 (ggc_collect): TIME now long.
8101 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8103 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8105 * toplev.c: Make *_time variable long to reduce chance of overflow.
8106 (TIMEVAR): Likewise for `otime'.
8107 (print_time): Arg is now long; compute percentage in FP and round.
8108 * toplev.h (print_time): Arg is long.
8110 * tree.c: Minor whitespace changes.
8112 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8113 * configure: Rebuilt.
8114 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8115 (__fixunsxfDI): Renamed from __fixunsxfdi.
8116 (__fixunsdfDI): Renamed from __fixunsdfdi.
8117 (__fixunssfDI): Renamed from __fixunssfdi.
8118 (__floatdisf): Use proper type in REP_BIT macro.
8119 (__fixunsxfSI): Renamed from __fixunsxfsi.
8120 (__fixunsdfSI): Renamed from __fixunsdfsi.
8121 (__fixunssfSI): Renamed from __fixunssfsi.
8122 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8123 Change location of macros and upper-case some names as above.
8124 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8125 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8127 * varasm.c (assemble_variable): Add cast to remove warning.
8128 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8130 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8131 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8132 region number to -1.
8134 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8136 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8137 call unshare_all_rtl.
8139 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8141 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8143 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8144 Use .s1 not .s0 for all FP instructions.
8146 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8148 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8150 (safe_fwrite, output_line_command): New static functions.
8151 (cpp_expand_to_buffer): Now private to cpplib.
8152 (cpp_scan_buffer): Take a printer.
8154 * cpphash.h: Update prototypes.
8155 * cpplib.h: Update prototypes.
8157 (cpp_buffer): Remove last_nominal_fname.
8158 (cpp_reader): Remove lineno.
8160 * cppmain.c: Use a cpp_printer.
8161 * fix-header.c: No need to inhibit line commands. Call
8162 cpp_start_read with no printer.
8164 * cpperror.c (cpp_notice_from_errno): Provide default name.
8165 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8166 (find_include_file, cpp_read_file): Use make_IHASH.
8167 (file_cleanup): Set control_macro and clear
8168 input_stack_listing_current here.
8169 (_cpp_execute_include): Don't output entering-file marker.
8170 * cpphash.c (special_symbol): Look for the line number in the
8171 buffer, not the reader.
8172 (_cpp_macroexpand): No need to disable line commands.
8173 (_cpp_dump_definition): No need to generate line commands.
8174 (dump_hash_helper): Remove excess newline from output.
8175 * cppinit.c (dump_special_to_buffer): No need to generate line
8177 (cpp_printer_init): New.
8178 (cpp_start_read): Take a printer, and start it up if it's not
8179 NULL. No need to generate line commands.
8180 (cpp_finish): Expect no buffers stacked at all. Take a
8181 printer argument, and flush the output buffer if it's not
8183 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8184 Don't put two hashes at the beginning of an assertion.
8185 (cpp_get_token): Don't increment pfile->lineno or emit line
8186 commands here. Return EOF if there's no buffer when we get
8188 * cpplib.c (do_define, skip_if_group):
8189 No need to disable line commands.
8190 (_cpp_output_line_command): Delete function.
8191 (do_line): Don't emit line commands here, but set things up so
8192 they will be emitted if necessary. Use _cpp_fake_ihash to
8193 make unique nominal_fnames if necessary.
8194 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8195 with 0 for column, not -1.
8196 (_cpp_handle_eof): Don't set the control macro here. Don't
8197 clear input_stack_listing_current here. Don't emit line
8200 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8202 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8203 always, use the default SVR4 start address.
8205 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8206 (LINK_SHLIB_SPEC): Define.
8207 (LINK_START_DEFAULT_SPEC): Define.
8208 (LINK_OS_DEFAULT_SPEC): Define.
8210 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8212 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8213 __do_global_ctors to handle constructors.
8214 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8215 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8216 (STARTFILE_MVME_SPEC): Likewise.
8217 (STARTFILE_SIM_SPEC): Likewise.
8218 (ENDFILE_ADS_SPEC): Use crtend.
8219 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8220 (ENDFILE_MVME_SPEC): Likewise.
8221 (ENDFILE_SIM_SPEC): Likewise.
8222 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8223 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8224 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8225 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8226 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8227 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8228 (CRTSTUFF_T_CFLAGS_S): Define.
8229 * config/rs6000/eabi-ctors.c: Delete.
8231 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8234 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8238 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8240 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8241 plus mask size is smaller or equal to the mode size.
8243 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8245 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8248 * expr.c (reload.h): Now included.
8249 (emit_block_move): Set volatile_ok when checking for movstr.
8250 (emit_move_1): Check for replacements in addresses in multi-word case.
8251 * Makefile.in (expr.o): Now includes reload.h.
8253 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8254 Never have a LIBCALL end a basic block.
8255 (find_basic_blocks_1): Likewise.
8256 Reorganize CALL_INSN cases.
8258 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8260 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8262 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8263 completers from mov.ret instruction.
8265 2000-04-14 Richard Henderson <rth@cygnus.com>
8267 * fold-const.c (extract_muldiv): Don't distribute and widen
8268 multiply across plus for non-sizetype unsigned types.
8270 2000-04-14 Richard Henderson <rth@cygnus.com>
8272 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8273 If the original source is dead in the incr insn, it's dead now.
8275 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8277 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8278 see if DECL_BIT_FIELD needs to still be set.
8280 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8282 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8283 print_int_cst_octal with something that's not an INTEGER_CST.
8285 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8286 and not a SUBREG to a FLOAT rtl.
8288 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8290 * emit-rtl.c (try_split): Avoid infinite loop if the split
8291 results in a sequence that contains the original insn.
8293 2000-04-13 Andreas Jaeger <aj@suse.de>
8295 * config/mips/mips.c (expand_block_move): Pass alignment
8296 argument to move_by_pieces in bits, not bytes.
8298 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8299 __pic__ for little endian.
8301 2000-04-13 Andreas Jaeger <aj@suse.de>
8303 * config/i386/i386-protos.h: Add prototype for
8304 uno_comparison_operator.
8306 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8308 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8309 * calls.c (ECF_PURE): New flag.
8310 (emit_call_1): Handle ECF_PURE calls.
8311 (initialize_argument_information): Unset ECF_PURE flag too.
8312 (precompute_arguments): Precompute for ECF_PURE too.
8313 (expand_call): Handle ECF_PURE calls too.
8314 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8315 accept value of 2 as pure function.
8316 (emit_library_call_value, emit_library_call): Rename no_queue argument
8318 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8320 * tree.h (DECL_IS_PURE): New macro.
8321 (struct tree_decl): Add pure_flag.
8322 * c-common.c (enum attrs): Add attribute "pure".
8323 (init_attributes): Initialize attribute "pure"
8324 (decl_attributes): Handle attribute "pure".
8325 * extend.texi (Attribute "pure"): Document.
8326 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8328 (flags_from_decl_or_type): Support attribute "pure".
8330 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8332 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8333 the token except for numbers and identifiers.
8335 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8337 * i386.c (ix86_expand_binary_operator,
8338 ix86_expand_unary_operator): Check no_new_pseudos
8339 instead of reload_in_progress and reload_completed.
8340 (ix86_split_ashldi, ix86_split_ashrdi,
8341 ix86_split_lshrdi): Check no_new_pseudos instead
8342 of reload_completed.
8344 2000-04-12 Jeffrey A Law (law@cygnus.com)
8346 * function.c (purge_addressof): Unshare any shared rtl created by
8347 purge_addressof and its children.
8349 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8351 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8354 2000-04-05 Andreas Jaeger <aj@suse.de>
8356 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8357 not compiling PIC code, add flags for mabi=64.
8358 (SUBTARGET_CPP_SIZE_SPEC): New.
8359 (SUBTARGET_CPP_SPEC): New.
8360 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8361 for MIPS/Linux and lots of code needs these defines.
8363 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8365 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8366 trying the "opposite arithmetic" approach.
8368 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8370 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8371 (struct sh_args): Add new field force_mem.
8372 (INIT_CUMULATIVE_ARGS): Initialize it.
8373 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8375 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8377 * calls.c (expand_call): Do not reverse args in "equal from" field.
8378 (emit_library_call_value_1): Emit_libcall_block for const and pure
8381 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8383 * reload1.c (reload_combine): Don't enable optimization for fixed
8384 registers when encountering a BARRIER.
8386 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8388 * builtins.c (expand_builtin_memcmp): Do expansion even with
8389 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8391 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8392 stack is propertly aligned; add sanity checking for aligned
8394 (expand_library_call_value_1): Add sanity checking for aligned
8397 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8399 * calls.c (emit_library_call_value_1): Change 3rd arg to
8400 locate_and_pad_parm to disregard the setting of partial.
8402 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8404 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8406 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8407 CALL_INSN from the normal case.
8409 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8411 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8412 New global variables.
8413 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8415 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8417 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8418 TARGET_ADD_ESP_8): New macros.
8419 * i386.md: Add peep2s to convert esp adjustments to push and pop
8421 (pushsi_prologue, popsi_epilogue): New patterns.
8423 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8425 * real.c (toe64): Remove stale #endif from the last change.
8427 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8429 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8430 * real.c (toe64): Revert previous change.
8432 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8434 * objc/objc-act.c: Include ggc.h.
8435 (objc_tree_index, objc_global_trees): Convert most of the
8436 static tree variables into a static array with previous names
8438 (objc_ellipsis_node): New variable.
8439 (lang_init): Call objc_act_parse_init and c_parse_init.
8440 Create objc_ellipsis_node.
8441 (build_selector_translation_table): Use objc_ellipsis_node instead
8443 (hack_method_prototype): Likewise.
8444 (get_arg_type_list): Likewise.
8445 (start_method_def): Likewise.
8446 (continue_method_def): Likewise.
8447 (gen_method_decl): Likewise.
8448 (ggc_mark_imp_list): New function.
8449 (ggc_mark_hash_table): New function.
8450 (objc_act_parse_init): New function.
8451 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8452 * c-parse.in (c_parse_init): For objc add roots of objc specific
8453 local tree variables.
8454 * objc/objc-parse.y: Rebuilt.
8455 * objc/objc-parse.c: Rebuilt.
8456 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8458 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8460 * cse.c (delete_trivially_dead_insns): Also delete insns
8461 that copy a register to itself where the destination is
8464 2000-04-11 Richard Henderson <rth@cygnus.com>
8466 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8467 (propagate_block): Initialize them. Use them in parallel instead
8468 of one tmp variable, ie revert much of the 0408 and 0407 functional
8469 changes, but keep the structural changes.
8470 (mark_set_regs): Take new_dead from propagate_block_info instead.
8471 (mark_set_1, mark_set_reg): Likewise.
8472 (mark_used_regs): Likewise with new_live.
8473 (mark_used_reg): Likewise. Revert 0408 change.
8475 2000-04-11 Nick Clifton <nickc@cygnus.com>
8477 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8479 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8481 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8483 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8484 const section to output a CONSTRUCTOR based on the same conditions
8487 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8489 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8490 * pa/pa-protos.h (output_call): Add additional argument indicating
8491 if the call is a sibling/tail call.
8492 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8493 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8494 (function_arg, function_arg_partial_nregs): Likewise
8495 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8496 (emit_move_sequence): Zero extend certain constants as needed
8498 (compute_zdepdi_operands, output_64bit_and): New functions.
8499 (output_64bit_ior, function_arg): Likewise.
8500 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8501 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8502 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8503 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8504 (output_bvb): Likewise.
8505 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8506 (output_call): New argument 'sibcall'. Generate sibcall sequences
8508 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8509 (ouput_arg_descriptor): Do not emit argument descriptors for
8511 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8513 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8514 (FUNCTION_OK_FOR_SIBALL): Define.
8515 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8516 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8517 (CPP_SPEC): Use new spec infrastructure.
8518 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8519 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8520 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8521 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8522 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8523 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8524 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8525 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8526 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8527 (FUNCTION_ARG); Call out to C code.
8528 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8529 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8530 (MIN_UNITS_PER_WORD): Likewise.
8531 * pa/pa.md (cmpdi): New expander.
8532 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8533 (64bit conditional arithmetic): New patterns.
8534 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8535 (movsicc): Not available if modes on all the operands to not match.
8536 (movdicc): New expander and associated patterns.
8537 (64bit branches): New patterns.
8538 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8539 (pre_ldd, post_std): New patterns.
8540 (64bit addil, load low part): New patterns.
8541 (special movsf constant): Not available for TARGET_64BIT.
8542 (movsf, movdf expanders): Force constants into memory.
8543 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8544 (64bit movdf/movdi patterns): New patterns.
8545 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8547 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8548 (adddi3 expander): Allow "arith_operand" for second input.
8549 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8550 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8551 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8552 (muldi3): New expander for TARGET_64BIT.
8553 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8555 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8556 patterns for TARGET_64BIT.
8557 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8558 patterns for TARGET_64BIT.
8559 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8560 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8561 (sibcall_epilogue): New expander.
8562 (casesi): Tweak for TARGET_64BIT.
8563 (call expanders): Set & use the outgoing argument pointer. Use the
8564 64bit call patterns as needed. Add additional arg to output_call.
8565 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8566 (sibcall, sibcall_internal_symref): New expanders.
8567 (sibcall_value, sibcall_value_internal_symref
8568 (interspace_jump): Turn into an expander + matching patterns.
8569 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8570 * pa/pa64-regs.h: Eliminate trigraph sequences.
8571 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8573 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8575 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8576 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8577 cpp_token with cpp_ttype everywhere.
8578 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8579 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8580 CPP_BUF_COL. Line and column numbers are unsigned int, not
8582 * cpplex.c (cpp_buf_line_and_col): Delete.
8583 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8584 'long lineno' to 'unsigned int lineno'.
8585 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8587 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8589 * extend.texi: ISO C99 is not a draft anymore.
8590 * invoke.texi: ISO C++ is not a draft anymore.
8591 * cpp.texi: __cplusplus is required by the ISO standard.
8593 * extend.texi (-fthis-is-variable): Undocument.
8594 * flags.h (warn_template_debugging): Remove declaration.
8595 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8596 -Wenum-clash, -Wtemplate-debugging): Undocument.
8598 2000-04-10 Nick Clifton <nickc@cygnus.com>
8600 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8602 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8604 (ARM_SIGN_EXTEND): Use HOST_UINT.
8605 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8606 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8607 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8608 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8610 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8611 (arm_gen_constant): Use HOST_UINT.
8612 (arm_canonicalize_constant): Use HOST_UINT.
8613 (arm_reload_in_hi): Use HOST_UINT.
8614 (arm_reload_out_hi): Use HOST_UINT.
8615 (output_multi_immediate): Use HOST_UINT.
8616 (int_log2): Use HOST_UINT.
8617 (arm_poke_function_name): Use HOST_UINT.
8618 (arm_output_epilogue): Use arm_volatile_func().
8619 (output_thumb_prologue): Use arm_strip_name_encoding().
8621 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8623 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8624 of sequence point problems.
8626 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8628 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8630 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8632 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8634 * sbitmap.h: Whitespace changes and use upper-case macro args.
8635 (struct simple_bitmap_def): All sizes now unsigned.
8636 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8637 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8638 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8639 (sbitmap_zero): Cast bzero arg to PTR.
8640 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8641 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8642 loop to make structure clearer.
8643 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8644 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8645 (sbitmap_a_and_b_or_c): Likewise.
8646 (sbitmap_intersection_of_succs): Minor cleanups.
8647 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8648 (sbitmap_union_of_preds): Likewise.
8649 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8650 (debug_sbitmap): New function.
8652 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8653 * c-typeck.c (convert_for_assignment): Likewise.
8655 * expmed.c (init_expmed): Don't free objects we make.
8656 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8658 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8659 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8661 * gcse.c (expr_hash_table_size): Now unsigned.
8662 (compute_ae_gen): Local variable `i' now unsigned.
8663 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8664 (compute_transout, hoist_code): Likewise.
8665 (compute_local_properties): Likewise, also hash_table_size.
8666 (alloc_expr_hash_table): N_INSNS now unsigned.
8667 (delete_null_pointer_checks): Mark arg F as unused.
8669 * regrename.c: Minor cleanups, including chang some variables
8672 2000-04-10 Neil Booth <NeilB@earthling.net>
8674 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8676 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8678 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8680 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8681 __classof__, and __headof__ from the list of gnu keywords.
8682 (-ansi): Remove -foperator-names from list of implied options.
8683 Do not call it ANSI C++.
8684 (-foperator-names): Document as -fno-operator-names.
8686 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8688 * cpphash.c (timestamp): Delete.
8689 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8690 (special_symbol): Remove unnecessary braces. Remove
8691 T_VERSION. Treat T_STDC like T_CONST unless
8692 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8693 when one is encountered, then convert them into T_MCONST
8695 * cppinit.c (builtin_array): version_string is T_MCONST.
8696 __STDC__ has a "1" in its cpval. Don't have a terminator
8697 entry. Clean up which entries are dumped.
8698 (initialize_builtins): Only __STDC__ gets the special
8699 -traditional treatment. Count the length of builtin_array.
8700 Render version_string here.
8701 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8702 * cpplib.h (struct cpp_reader): Remove timebuf.
8704 2000-04-09 Richard Henderson <rth@cygnus.com>
8706 * genrecog.c (pred): Update comparison_operator for the unordered
8709 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8711 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8712 (uno_comparison_operator): New.
8713 (put_condition_code): Handle UNORDERED/ORDERED.
8714 (unsigned_comparison): Likewise.
8715 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8716 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8717 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8718 update all callers. Handle all 8 unordered operators.
8719 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8720 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8721 * config/i386/i386.h (PREDICATE_CODES): Update.
8722 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8723 (ix86_expand_branch, ix86_expand_setcc): Update.
8724 * config/i386/i386.md (sunordered, sordered): New.
8725 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8726 (bunordered, bordered): New.
8727 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8728 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8729 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8731 2000-04-09 Philip Blundell <philb@gnu.org>
8733 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8735 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8737 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8738 fix_truncxfhi2): New patterns.
8739 * i386.c (output_fix_trunc): Handle converting to HImode.
8741 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8743 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8745 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8746 (for_each_successor_phi): Change parameter to basic_block.
8747 (coalesce_regs_in_successor_phi_nodes): Likewise.
8748 (coalesce_regs_in_copies): Likewise.
8749 (compute_coalesced_reg_partition): Use basic_block instead of index.
8750 * rtl.h (convert_to_ssa): Delete.
8751 (convert_from_ssa): Likewise.
8752 (successor_phi_fn): Likewise.
8753 (for_each_successor_phi): Likewise.
8754 (in_ssa_form): Likewise.
8755 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8756 (convert_from_ssa): Likewise.
8757 (successor_phi_fn): Likewise.
8758 (in_ssa_form): Likewise.
8759 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8760 * flow.c (calculate_global_regs_live): Pass a basic_block to
8761 for_each_successor_phi.
8763 2000-04-08 Richard Henderson <rth@cygnus.com>
8765 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8766 was modified in the current insn.
8768 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8770 * arm/thumb.md: Delete.
8771 * arm/thumb-protos.h: Delete.
8773 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8775 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8777 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8779 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8782 * arm.md (nop): Use the standard RTL expression. Don't code as a
8784 (*arm_nop, *thumb_nop): Delete.
8786 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8787 constants. Use casts instead.
8788 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8789 output_multi_immediate, arm_poke_function_name): Likewise.
8790 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8791 MASK_RETURN_ADDDR): Likewise.
8793 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8795 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8798 * arm.md (eh_epilogue): New function.
8799 * arm.h (struct machine_function): Move to here ...
8800 * arm.c: ... from here.
8801 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8802 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8803 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8805 2000-03-30 Nick Clifton <nickc@cygnus.com>
8807 * config/arm/semi.h (ASM_SPEC): Restore definition.
8808 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8810 * config/arm/elf.h (ASM_SPEC): Restore definition.
8811 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8813 * config/arm/arm.h (ASM_SPEC): Remove definition.
8814 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8816 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8818 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8820 2000-03-24 Nick Clifton <nickc@cygnus.com>
8822 Various formating tidyups, elimination of compile time
8823 warnings and synchronisation with internal sources:
8825 * config/arm/arm-protos.h (assemble_align): Add prototype.
8826 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8827 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8828 (arm_return_addr_rtx): Rename to arm_return_addr.
8830 * config/arm/arm.c: Include except.h.
8831 Define shorter typenames for strict minipool_node and struct
8833 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8835 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8836 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8838 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8840 (ASM_SPEC): Define if not already defined.
8841 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8843 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8844 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8845 arm_gen_compare_reg.
8846 (indirect_jump): Only accept register operands.
8847 (load_indirect_jump): Keep this pattern since combine can generate
8850 * config/arm/coff.h: Include aout.h.
8851 (MULTILIB_DEFAULTS): Only define if not already defined.
8853 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8854 into arm.h (so that COFF ports can support thumb based aliases).
8855 (ASM_SPEC): Move definition into arm.h
8857 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8858 redundant apcs spec.
8859 (ASM_SPEC): Move definition to arm.h
8861 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8863 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8864 for entries in the .bss section
8866 2000-03-23 Nick Clifton <nickc@cygnus.com>
8868 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8869 to thumb_far_jump_used_p.
8871 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8872 single integer parameter.
8874 * config/arm/arm.c (struct machine_function): Add two new
8875 fields, 'far_jump_used' and 'arg_pointer_live'.
8876 (thumb_far_jump_used_p): Once the decision has been made that
8877 far jumps might be used, always return true.
8878 If being called from the initial elimination offset macro then
8879 do not bother to perform the test if the arg pointer is not
8881 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8882 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8884 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8886 * arm.c (output_return_instruction): Handle more cases where we can
8887 return from a function with an ldr instruction.
8888 (arm_output_epilogue): Likewise.
8890 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8891 if we need to push a large stack frame and there are no callee-saved
8894 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8895 in ARM code if the frame pointer has been eliminated.
8897 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8898 unspec_volatile arguments to avoid duplicates.
8899 (consttable_1, consttable_2): Fixes for big-endian mode.
8901 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8904 Re-write constant pool code.
8905 * arm.c (minipool_node, minipool_fix): New types.
8906 (minifix): Delete type.
8907 (arm_add_minipool_constant): Delete.
8908 (arm_compute_minipool_offsets, arm_find_barrier,
8909 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8910 (get_jump_table_size): Now returns HOST_WIDE_INT.
8911 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8913 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8914 (assign_minipool_offsets, arm_print_value): Likewise.
8915 (dump_minipool): Rewrite.
8916 (arm_barrier_cost): New function.
8917 (create_fix_barrier): New function.
8918 (push_minipool_barrier): New function.
8919 (push_minipool_fix): Record additional information about the fixup
8921 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8922 check the mode of what needs fixing.
8923 (arm_reorg): Rewrite.
8925 2000-03-08 Nick Clifton <nickc@cygnus.com>
8927 * config/arm/arm.md (indirect_jump): Force constant addresses into
8930 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8932 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8934 2000-02-24 Nick Clifton <nickc@cygnus.com>
8936 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8937 adjust is word aligned.
8938 (thumb_expand_epilogue): Make sure that stack adjust is word
8941 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8943 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8945 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8946 pointer relative addresses.
8948 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8950 * arm.c (find_barrier): Find the last barrier within the allowed
8953 2000-02-09 Nick Clifton <nickc@cygnus.com>
8955 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8957 2000-02-09 Nick Clifton <nickc@cygnus.com>
8959 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8960 ARM_FUNCTION_PROFILER.
8962 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8963 ARM_FUNCTION_PROFILER.
8965 * config/arm/linux-oldld.h: Imported from mainline sources.
8967 2000-02-07 Nick Clifton <nickc@cygnus.com>
8969 * config/arm/lib1funcs.asm: Merge in thumb functions from
8972 * config/arm/lib1thumb.asm: Delete.
8974 2000-02-04 Nick Clifton <nickc@cygnus.com>
8976 * config/arm/arm.c: Sychronised with current Red hat local
8978 * config/arm/arm.h: Ditto.
8979 * config/arm/arm-protos.h: Ditto.
8981 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
8983 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
8985 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
8988 2000-02-02 Nick Clifton <nickc@cygnus.com>
8990 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
8992 * config/arm/arm.md (epilogue): Fix rtl checking abort because
8993 (return) was emited using an emit_insn() call.
8995 2000-01-31 Nick Clifton <nickc@cygnus.com>
8997 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
8999 (thumb_exit): Move frame pointer back into hard frame pointer
9000 register if backtracing is being used.
9002 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
9004 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
9007 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
9009 * config/arm/arm.md (neg_pool_offset): Provide default for new
9011 (arm_movsi_insn): Add neg_pool_offset attribute.
9012 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
9013 rtx for the insn that starts the scan and an unsigned long for its
9014 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
9015 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
9016 instructions in *PINSERTED.
9017 (struct minipool_fixup): Add MIN_ADDRESS elt.
9018 (sort_fixups): Compute it.
9019 (arm_reorg): Changes to support inserting pools before the insn to be
9022 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9024 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
9025 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
9026 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
9028 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
9030 * config/arm/semi.h (TARGET_VERSION): Do not define if already
9032 (TARGET_DEFAULT): Do not define if already defined.
9034 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
9036 * config/arm/arm.md (anddi3): Allow disjoint source operands.
9037 (iordi3): Allow disjoint source operands.
9038 (xordi3): Allow disjoint source operands.
9039 (negdi2): Permit construction for ARM and Thumb.
9040 (arm_negdi2): Renamed version of old negdi2 pattern.
9041 (thumb_negdi2): New pattern: Only permit non-overlapping
9042 source and destination.
9044 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
9046 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
9047 scratch low register so that it will not be deleted.
9049 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
9051 * config/arm/pe.h (ARM_PE): Define.
9053 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
9054 interfacearm attribute if this is a PE toolchain.
9055 (output_return_instruction): Do not emit anything if the function
9056 has the naked attribute set.
9057 (is_called_in_ARM_mode): If the function has the interfacearm
9058 attribute then return true.
9059 (thumb_expand_prologue): Do not generate a prologue for naked
9061 (thumb_expand_epilogue): Do not generate an epilogie for a naked
9063 (output_thumb_prologue): Do not bother if the function is naked.
9064 Strip PE encoding from function name before emitting.
9066 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9068 * arm.md (pic_load_addr): Fix constraints.
9070 * arm.md (casesi_insn): Fix mis-applied patch.
9072 * arm.md ("core" function unit): Add rules for single- and
9074 (All TARGET_THUMB patterns): Add "type" attribute information
9076 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
9077 the following insn is a CALL.
9079 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
9081 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
9082 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
9083 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
9085 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
9087 * config/arm/linux-gas.h: oops - this file was missed out when the
9088 branch was created...
9090 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
9092 * thumb.c: Deleted. Move contents to ...
9094 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
9096 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9099 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9100 declare a prototype for asm_output_align();
9102 * arm.c (thumb_condition_code): Delete.
9103 (arm_print_operand): Always use arm_condition_code array.
9105 * arm.c (thumb_return_addr_rtx): Delete.
9106 (arm_save_machine_status, arm_restore_machine_status): Delete.
9107 (arm_init_machine_status, arm_mark_machine_status): New functions.
9108 (arm_init_expanders): Update accordingly.
9109 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9110 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9111 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9113 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9115 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9117 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9120 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9122 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9123 stack backtrace structure.
9125 * config/arm/arm-protos.h: Add prototypes for functions defined in
9128 * config/arm/arm.c (arm_override_options): Fix selection of
9129 attributes of default processor.
9131 * config/arm/coff.h: Delete needless #include.
9133 * config/arm/pe.c: Delete unused code.
9135 * config/arm/pe.h (CPP_DEFINES): Delete
9136 (SUBTARGET_CPP_SPEC): Define.
9137 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9139 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9141 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9143 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9145 (CAN_DEBUG_WITHOUT_FP): Define.
9146 (FIXED_REGISTERS): Make r11 call-saved.
9147 (CALL_USED_REGISTERS): Likewise.
9148 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9149 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9150 frame-pointer is required.
9151 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9152 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9153 if the target normally needs a stack frame in non-leaf functions.
9154 (use_return_insn): Correct logic for determining when a return
9155 instruction can be used.
9156 (output_return_instruction): Handle the frame-pointer register as
9157 a normal register when not TARGET_APCS_FRAME.
9158 (arm_output_prologue): Likewise.
9159 (arm_output_epilogue): Likewise.
9160 (output_func_epilogue): Likewise.
9161 (arm_expand_prologue): Likewise.
9162 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9164 * arm.c (use_return_insn): No need to check floating point regs if
9166 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9167 the code of value stored in the minipool array.
9168 (arm_add_minipool_constant): Likewise.
9170 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9172 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9174 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9176 * tree.c (tree_expr_nonnegative_p): New function.
9178 * tree.h (tree_expr_nonnegative_p): Declare.
9180 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9181 elide some sign_compare warnings.
9182 (build_conditional_expr): Likewise.
9184 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9186 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9188 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9189 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9190 operand. Abort if a 387 operand has an unsupported size.
9192 2000-04-08 Neil Booth <NeilB@earthling.net>
9194 * cppexp.c (parse_charconst): Null does not end character
9196 * cppinit.c (ISTABLE): Null character handled as whitespace.
9197 * cpplex.c (null_warning): new function.
9198 (skip_string): Emit warning if nulls encountered.
9199 (_cpp_skip_hspace): Emit warning if nulls encountered.
9200 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9204 2000-04-07 Richard Henderson <rth@cygnus.com>
9206 * flow.c (loop_depth): Remove.
9207 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9208 (struct propagate_block_info): New.
9209 (life_analysis): Don't allocate reg_next_use.
9210 (propagate_block_delete_insn): Break out of propagate_block.
9211 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9212 (propagate_block_delete_libcall): Likewise.
9213 (propagate_block): Create a propagate_block_info struct to pass
9214 to subroutines. Allocate one not two temporary regsets. Don't
9215 clobber memory for const calls. Look for clobbers in
9216 CALL_INSN_FUNCTION_USAGE.
9217 (mark_set_regs): Recognize COND_EXEC.
9218 (mark_set_reg): Break out of mark_set_1.
9219 (mark_used_reg): Break out of mark_used_regs.
9220 (mark_used_regs): Recognize COND_EXEC.
9221 (insn_dead_p): Use propagate_block_info struct.
9222 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9223 (find_auto_inc, try_pre_increment_1): Likewise.
9224 (print_rtl_with_bb): Dump regs live at end too.
9225 (count_reg_sets_1): Pass in loop_depth.
9226 (count_reg_sets, count_reg_references): Likewise.
9227 (recompute_reg_usage): Provide it.
9229 2000-04-07 Richard Henderson <rth@cygnus.com>
9231 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9234 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9236 * cpplib.c (do_elif): Skip the rest of the line if we're
9237 not going to bother evaluating it.
9238 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9239 to avoid pointless calls to the lexer.
9241 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9243 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9245 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9247 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9249 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9251 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9253 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9255 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9256 crtend so they can be multilibbed.
9257 (STAGESTUFF): Remove s-crt and s-crtS.
9259 2000-04-07 Richard Henderson <rth@cygnus.com>
9261 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9262 if we discover we need a pseudo and no_new_pseudos is true.
9263 * config/alpha/alpha.md (ne:DI insn): New.
9264 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9266 2000-04-07 Richard Henderson <rth@cygnus.com>
9268 * rtl.def (COND_EXEC): New.
9269 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9270 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9272 * genconfig.c (have_cond_arith_flag): Remove.
9273 (have_cond_exec_flag): New.
9274 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9275 (main): Print HAVE_conditional_execution.
9277 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9278 (sched_analyze_insn, print_pattern): Likewise.
9279 * reload.c (find_equiv_reg): Likewise.
9280 * rtlanal.c (reg_referenced_p): Likewise.
9281 (note_stores, dead_or_set_regno_p): Likewise.
9282 (reg_overlap_mentioned_p): Rewrite to use a switch.
9284 * ggc.h (struct rtx_def): Forward declare.
9286 * print-rtl.c (debug_rtx_range): New.
9287 * rtl.h (debug_rtx_range): Declare.
9289 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9291 * gcse.c (gcse_main): Don't rebuild the CFG here.
9292 (delete_null_pointer_checks): Likewise.
9293 * ssa.c (convert_to_ssa): Likewise.
9294 * toplev.c (rest_of_compilation): Do it here instead. Combine
9295 sequential calls to TIMEVAR. Consistently use `insns' instead of
9296 `get_insns()'. Always split insns after reload when optimizing.
9298 * basic-block.h (merge_blocks_nomove): Declare.
9299 (tidy_fallthru_edge): Declare.
9300 * flow.c (merge_blocks_nomove): Document as merging into previous
9301 blocks. Remove cruft from between blocks; remove all edges out of A.
9302 (tidy_fallthru_edge): Export.
9304 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9306 * ssa.c (compute_conservative_reg_partition): Declare with
9308 * toplev.c (clean_dump_file): Remove previously-deleted function
9309 inadvertantly merged back in.
9310 * conflict.c (conflict_graph_add): Use a single call to
9311 htab_find_slot to look up and insert.
9313 2000-04-06 Richard Henderson <rth@cygnus.com>
9315 * genrecog.c (*): Rename _last_insn to last_insn.
9316 (make_insn_sequence): Set the position of the peephole2 C test
9317 to be at the last insn.
9319 2000-04-06 Richard Henderson <rth@cygnus.com>
9321 * flow.c (compute_flow_dominators): Free worklist.
9323 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9325 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9327 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9329 * rtl.h (INSN_P): New macro.
9330 (successor_phi_fn): New typedef.
9331 (for_each_successor_phi): New prototype.
9332 (in_ssa_form): New variable.
9333 (PHI_NODE_P): Likewise.
9334 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9335 phi nodes in successors.
9336 (mark_used_regs): Add PHI case.
9337 (set_phi_alternative_reg): New function.
9338 (life_analysis): Assert that dead code elimination is not selected
9340 * toplev.c (to_ssa_time): New variable.
9341 (from_ssa_time): Likewise.
9342 (compile_file): Zero to_ssa_time and from_ssa_time.
9343 Print time to convert to and from SSA.
9344 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9345 (print_time): Compute percent fraction as integer.
9346 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9347 (convert_to_ssa): Check if we're already in SSA.
9348 Don't eliminate dead code in life_analysis.
9349 Rerun flow and life analysis at bottom.
9350 (eliminate_phi): Use canonical regnos when adding nodes.
9351 (mark_reg_in_phi): New function.
9352 (mark_phi_and_copy_regs): Likewise.
9353 (convert_from_ssa): Rerun life analysis at top.
9354 Use coalesced partition.
9355 Check for removing a phi node at the end of the block.
9356 (compute_coalesced_reg_partition): New function.
9357 (coalesce_regs_in_copies): Likewise.
9358 (coalesce_reg_in_phi): Likewise.
9359 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9360 (for_each_successor_phi): Likewise.
9361 (rename_context): New struct.
9362 (rename_block): Use a rename_context with rename_insn_1. When
9363 renaming sets of a subreg, emit a copy of the entire reg first.
9364 (rename_insn_1): Treat data as a rename_context *. Save current
9366 (rename_set_data): Add field set_insn.
9367 * Makefile.in (HASHTAB_H): Move up in file.
9368 (OBSTACK_H): New macro.
9369 (collect2.o): Use OBSTACK_H in dependencies.
9370 (sdbout.o): Likewise.
9371 (emit-rtl.o): Likewise.
9372 (simplify-rtx.o): Likewise.
9373 (fix-header.o): Likewise.
9374 (OBJS): Add conflict.o.
9375 (conflict.o): New rule.
9376 * basic-block.h: Include partition.h.
9377 (conflict_graph): New typedef.
9378 (conflict_graph_enum_fn): Likewise.
9379 (conflict_graph_new): New prototype.
9380 (conflict_graph_delete): Likewise.
9381 (conflict_graph_add): Likewise.
9382 (conflict_graph_conflict_p): Likewise.
9383 (conflict_graph_enum): Likewise.
9384 (conflict_graph_merge_regs): Likewise.
9385 (conflict_graph_print): Likewise.
9386 (conflict_graph_compute): Likewise.
9387 * conflict.c: New file.
9389 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9391 * tlink.c (read_repo_files): Don't look for .rpo info for
9394 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9396 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9398 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9400 * config/sh/lib1funcs.asm (___udivsi3_i4):
9401 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9402 only depends on FMOVD_WORKS.
9404 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9406 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9407 make double constant 8-byte aligned.
9409 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9411 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9412 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9413 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9414 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9415 Accept storing GENERAL_REGS into offsetable memory.
9416 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9417 building a TFmode constant other than 0.0L into GENERAL_REGS.
9419 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9421 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9423 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9425 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9426 (macro_cleanup): No need to cast pbuf->macro.
9427 (collect_expansion): Use _cpp_get_define_token. Goto done if
9428 it returns VSPACE. Remove check for trailing space after
9430 (_cpp_create_definition): Don't diddle flags here. Return
9432 (unsafe_chars): Handle c1 being EOF.
9433 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9434 checks. Don't push the buffer till after we're done with
9436 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9437 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9438 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9440 (_cpp_parse_assertion): Don't NUL terminate.
9441 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9442 hspace before calling _cpp_parse_assertion. Remove all sets
9443 of only_seen_white. Treat '\f' as hspace. Don't do anything
9444 special with '\n' here.
9445 (maybe_macroexpand): Handle T_EMPTY hash entries without
9446 pushing a buffer at all.
9447 (cpp_get_token): Handle clearing only_seen_white here. Handle
9448 incrementing the line number here. Clear
9449 potential_control_macro as well as only_seen_white, if
9451 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9452 (_cpp_get_define_token): New function, basically like
9453 _cpp_get_directive_token was but doesn't eat horizontal space.
9454 Don't do anything with only_seen_white here.
9455 (_cpp_get_directive_token): Just call _cpp_get_define_token
9456 repeatedly till it returns non-hspace.
9458 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9459 (conditional_skip, skip_if_group): Return int.
9460 (DIRECTIVE_TABLE): Change origin of all conditional directives
9462 (TRAD_DIRECT_P): New macro.
9463 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9464 an error for a bogus directive, unless -lang-asm. Use
9465 TRAD_DIRECT_P. Loop calling handler functions till one returns
9467 (get_macro_name): Don't diddle flags here.
9468 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9469 Create T_EMPTY nodes for #define macro /* nothing */.
9470 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9471 Use hp->name when calling pass_thru_directive.
9472 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9473 Return the result of conditional_skip and/or skip_if_group.
9474 Don't call _cpp_output_line_command.
9475 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9476 Issue -Wtraditional warnings as appropriate. Don't complain
9477 about unrecognized directives. If we are to stop skipping,
9478 return the number of the directive that ended the skip.
9479 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9480 expansion and line commands while skipping. Return the result
9481 of consider_directive_while_skipping, if nonzero.
9482 (do_endif): Just set potential_control_macro here.
9483 (validate_else): Use _cpp_get_directive_token.
9484 (do_assert, do_unassert): Don't save pointers into the
9485 token_buffer across calls to the lexer. Use
9486 _cpp_get_directive_token.
9488 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9489 pointer, not an offset. Replace 'data', which was a generic
9490 pointer, with 'macro', which points to a struct hashnode.
9491 (cpp_reader): Add 'potential_control_macro' pointer.
9492 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9493 (CPP_BUF_GET, CPP_FORWARD): Delete.
9494 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9495 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9496 ACTIVE_MARK_P): Update.
9497 (_cpp_get_define_token): New internal function.
9498 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9500 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9502 * configure.in: And here.
9503 * configure: Regenerate.
9504 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9505 --enable-libstdcxx-v3 is passed at configure time.
9506 * config.h.in: Regenerate.
9508 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9510 * final.c (final): Use xcalloc to allocate line_note_exists.
9511 * function.c (free_after_compilation): Free the temp_slots.
9512 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9513 (combine_temp_slot): Free temp_slots when they get combined.
9514 (purge_addressof): Fix typo in comment.
9515 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9516 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9518 * ggc.h: Include varray.h.
9519 (ggc_pending_trees): Declare.
9520 (ggc_mark_tree_children): Remove declaration.
9521 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9522 * ggc-common.c (ggc_pending_trees): New variable.
9523 (ggc_mark_roots): Call ggc_mark_trees.
9524 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9525 the ggc_pending_trees.
9526 * Makefile.in (GGC_H): New variable. Use it throughout in place
9529 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9531 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9534 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9536 * sh.c (sh_insn_length_adjustment): New function.
9537 * sh-protos.h (sh_insn_length_adjustment): Declare.
9538 * sh.h (ADJUST_INSN_LENGTH): Use it.
9540 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9542 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9543 from the insn where REG_RETVAL is added.
9544 (emit_no_conflict_block): Ditto.
9546 * md.texi (Standard Names): Clarify when movX is needed.
9548 * combine.c (simplify_comparison) [MINUS]: Do not replace
9549 all (op (minus A B) 0) with (op A B).
9551 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9552 J"orn Rennecke <amylaar@cygnus.co.uk>
9554 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9555 (block_lump_real): Likewise.
9557 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9559 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9560 remaining non-zero debugging masks.
9562 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9564 * basic-block.h (verify_flow_info): Declare.
9565 (flow_loop_outside_edge_p): Declare.
9566 * flow.c (verify_flow_info): Remove declaration.
9567 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9569 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9571 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9574 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9576 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9577 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9578 seqdi_zero_trunc+1): Allow splits only if registers are
9581 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9583 * acconfig.h: Add HAVE_GAS_HIDDEN.
9584 * config.in: Regenerated.
9585 * configure.in: Add test for .hidden pseudo-op in gas.
9586 * configure: Regenerated.
9587 * crtstuff.c: Include auto-host.h.
9588 Emit additional .hidden pseudo-op for __dso_handle if the
9589 assembler knows about it.
9591 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9593 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9594 before freeing argnames.
9595 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9597 2000-04-05 Michael Meissner <meissner@redhat.com>
9599 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9600 Walton <jonboy@gordian.com> to make memory references with update
9601 work wtih -mregnames.
9603 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9605 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9606 (regrename_optimize): Rename variables `def_uses' and
9607 `ext_basic_blocks' to avoid conflicts with similarly named
9608 typedefs in traditional C.
9610 * calls.c (initialize_argument_information): Fix typo in previous
9613 2000-04-04 Richard Henderson <rth@cygnus.com>
9615 * regrename.c (consider_available): Test fixed_regs not
9616 PIC_OFFSET_TABLE_REGNUM.
9618 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9620 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9622 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9623 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9624 (ENDFILE_LINUX_SPEC): Always use crtend.
9625 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9626 (powerpc-*-linux-gnu): Likewise.
9627 * configure: Regenerate.
9629 * config/rs6000/eabi.h: Don't include sysv4.h.
9630 (MULTILIB_DEFAULTS): Don't define.
9631 * config/rs6000/eabiaix.h: Don't include eabi.h.
9632 * config/rs6000/eabile.h: Delete.
9633 * config/rs6000/eabilesim.h: Delete.
9634 * config/rs6000/eabisim.h: Don't include eabi.h.
9635 * config/rs6000/linux.h: Don't include sysv4.h.
9636 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9637 (MULTILIB_DEFAULTS): Don't redefine.
9638 * config/rs6000/rtems.h: Don't include eabi.h.
9639 * config/rs6000/sol2.h: Don't include sysv4le.h.
9640 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9641 * config/rs6000/t-ppc: Delete.
9642 * config/rs6000/t-ppcgas: Correct comment.
9643 * config/rs6000/t-ppcos: Correct comment. Don't build
9644 multilibs for -fPIC, rather use -fPIC -mstrict-align
9646 * config/rs6000/t-ppc: Delete.
9647 * config/rs6000/vxppc.h: Don't include sysv4.h.
9648 * config/rs6000/vxppcle.h: Delete.
9649 * configure.in: Use multiple header files for p2pc ELF targets
9650 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9651 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9652 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9653 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9654 always available for these platforms.
9656 2000-04-04 Richard Henderson <rth@cygnus.com>
9658 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9660 2000-04-04 Stan Cox <scox@cygnus.com>
9662 * Makefile.in: Add rules for regrename.o
9663 * regrename.c: New file.
9664 * rtl.h (regrename_optimize): Add prototype.
9665 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9666 (compile_file, decode_d_option): Add support for -frename-registers.
9667 (rest_of_compilation): Call regrename_optimize.
9668 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9671 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9673 * Makefile (gccbug): New target.
9674 (doc): Depend on it.
9675 * gcc.texi (Bugs): Link subnodes.
9677 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9678 Document severities, priorities, and classes in bug form.
9680 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9682 * cpplex.c (trigraph_map, speccase): Combine into single
9684 (NORMAL, NONTRI): New macros.
9685 (_cpp_read_and_prescan): Change to use unified table. Use
9686 is_hspace to test for whitespace.
9688 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9689 definition that doesn't provoke the "empty body in an
9690 if-statement" warning.
9692 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9694 * builtins.c (expand_builtin_strlen): Force the source to
9695 be a memory address.
9697 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9699 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9701 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9703 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9704 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9705 (ECF_IS_CONST): Rename to ECF_CONST.
9706 (special_function_p): Make static, change interface.
9707 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9708 (expand_call) ... here; convert number of variables to flags.
9709 (emit_library_call_vlue_1): Likewise.
9710 (setjmp_call_p): New function.
9711 (initialize_argument_information): Accepts flags as argument;
9713 (precompute_arguments): Likewise.
9714 * tree.h (special_function_p): Remove.
9715 (setjmp_call_p): Add prototype.
9717 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9719 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9720 so that addresses are offsetable by up to 16 bytes.
9721 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9722 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9725 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9726 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9727 (movsf): Don't force any constant to memory if target is integer
9729 Move fp_zero_operand check below the const0_rtx check.
9730 (movtf): Likewise. Also allow fp_zero_operand for stores into
9732 (movdf): Likewise. Also allow fp_zero_operand for stores into
9733 memory and into integer hard registers.
9734 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9735 movdf_const_intreg_sp64): Remove.
9736 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9738 (movdf_no_e_insn_v9_sp32): New pattern.
9739 (movdf_insn_v9only): Remove.
9740 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9741 (movdf_insn_sp64): Remove.
9742 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9743 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9744 (following splits): Rewrite conditions. Add two new splits
9745 for storing 0.0 into memory and registers.
9746 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9747 (movtf_insn_sp32): Redo constraints and conditions.
9748 (movtf_insn_vis_sp32): New pattern.
9749 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9750 (movtf_insn_hq_sp64): Likewise.
9751 (movtf_insn_hq_vis_sp64): New pattern.
9752 (movtf_insn_sp64): Redo constraints and conditions.
9753 (movtf_insn_vis_sp64): New pattern.
9754 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9755 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9757 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9758 -mvis or -m64 to take down the number of various reload patterns.
9760 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9762 * pa/pa-64.h: New file.
9763 * pa/pa64-regs.h: New file.
9764 * pa/pa64-start.h: New file.
9765 * pa/t-pa64: New file.
9766 * pa/xm-pa64hpux.h: New file.
9768 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9770 * sparc.c (output_restore_regs): Prototype.
9771 (sparc_emit_float_lib_cmp): Constification.
9773 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9775 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9778 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9779 (get_value_hash, hash_rtx): Likewise.
9781 * ssa.c (compute_conservative_reg_partition): Prototype.
9783 * tree.c (mark_hash_entry): Prototype.
9785 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9787 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9788 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9789 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9791 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9792 * objc/lang-specs.h: Likewise.
9794 2000-04-03 Neil Booth <NeilB@earthling.net>
9796 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9797 and SYNTAX_ERROR2. Replace `' in messages with ''.
9798 (op_to_str): Make re-entrant.
9799 (_cpp_parse_expr): Implement new error macros. Use | rather
9800 than || to logically or 2 boolean integers. Simply expression
9801 checking we have a left operand iff needed.
9803 2000-04-03 Nick Clifton <nickc@cygnus.com>
9805 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9807 2000-04-03 Philip Blundell <philb@gnu.org>
9809 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9811 2000-04-03 Felix Lee <flee@cygnus.com>
9813 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9814 (run_shell): Use it.
9816 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9818 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9819 (stmp-fixproto): ...rather than here.
9821 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9823 * pa.c (print_operand): Compute 'base' only inside the code paths
9826 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9828 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9831 2000-04-03 Philipp Thomas <pthomas@suse.de>
9833 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9835 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9837 * Makefile.in (alias.o): Depend on $(TREE_H).
9839 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9841 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9843 * cpplib.c (_cpp_handle_directive): Improve warnings for
9844 traditional C and indented directives.
9846 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9847 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9848 fixinc/inclhack.def: Indent the # of #include_next one space.
9849 * cp/rtti.c: Un-indent #if and #endif.
9851 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9852 syntax error, but an error has already been printed.
9853 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9854 message when called with nothing remaining on the line.
9855 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9856 OTHER token, not an ASSERTION.
9857 * cpplib.c (do_assert): When we create a 'base' node, clear
9858 its aschain pointer.
9860 2000-04-02 Neil Booth <NeilB@earthling.net>
9862 * cppexp.c: New typedef op_t. struct operation and struct
9863 token updated to use it.
9864 (op_to_str): New function.
9865 (_cpp_parse_expr): Error messages modified to use op_to_str.
9867 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9869 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9870 before checking MUST_PASS_IN_STACK.
9872 2000-04-02 Neil Booth <NeilB@earthling.net>
9874 * cppexp.c: New FINISHED dummy token. Combine operator initial
9875 flags and initial priority into a single constant. New
9876 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9877 (_parse_cpp_expr): Implement new constants. Take left operand
9878 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9879 parse indicated by reducing FINISHED token. Remove new lines
9880 from cpp_error messages.
9882 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9884 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9887 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9889 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9890 directive. Add origin values to DIRECTIVE_TABLE. Generate
9891 the strings and function names on the fly. Take the #sccs
9892 entry out of the table if SCCS_DIRECTIVE is not defined.
9893 (_cpp_handle_directive): Decide if the # was at the beginning
9894 of the line here. Issue -pedantic warnings for extended
9895 directives here. Warn about K+R directives with the #
9896 indented, and C89/extended directives with the # not indented,
9898 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9899 do_assert, do_unassert): Don't issue pedantic warning here.
9901 * cpphash.h: Add CPP_WTRADITIONAL macro.
9902 * cpplib.h (struct cpp_options): Rename warn_stringify to
9903 warn_traditional; update comments.
9904 * cppinit.c (handle_option): Set warn_traditional not
9906 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9907 CPP_WTRADITIONAL (pfile).
9908 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9909 be ignored in -traditional mode here.
9911 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9912 to initialize speccase[] and trigraph_map[]. Delete all
9913 references to pfile->input_speccase. Always treat '?' as a
9914 special character. Remove table-initialization code from
9915 _cpp_init_input_buffer.
9917 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9918 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9920 2000-04-01 Richard Henderson <rth@cygnus.com>
9922 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9923 (mostlyclean): Likewise.
9925 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9926 (struct dump_file_info, enum dump_file_index, dump_file): New.
9927 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9928 not a string. Clean out file if we havn't yet done so. Do nothing
9929 if the dump isn't enabled.
9930 (close_dump_file): Do nothing if the dump isn't open. Dump
9931 graph data if requested.
9932 (dump_rtl, clean_dump_file): Remove.
9933 (compile_file): Don't clean the dump files. Only finalize .bp dump
9934 if flag_test_coverage or flag_branch_probabilities. Only finalize
9935 .combine dump if optimizing. Iterate over dump_file to finalize the
9937 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9938 Convert all uses of dump_rtl.
9939 (decode_d_option): Iterate over dump_file to implement 'a' and to
9940 locate pass-specific dumps.
9942 2000-04-01 Neil Booth <NeilB@earthling.net>
9944 * cppexp.c: Redefine priority constants.
9945 (_cpp_parse_expr): Replace left and right priority scheme with
9946 single priority logic. Move LOGICAL to same place as COMPARE.
9947 Remove bogus check for multiple unary +/- operators.
9949 2000-04-01 Neil Booth <NeilB@earthling.net>
9951 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9952 within the switch statement. Binary operations break out of
9953 the switch naturally. '(' tokens handled by forcing
9954 immediate shift. ')' handled by forcing immediate reduce to
9955 the previous '('. New error messages.
9957 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9959 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9960 part', it's already in use. Use %K instead. Add a return at the
9961 end of what is now %K.
9962 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9964 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9966 * builtins.c (expand_builtin_apply): Pass proper parameters to
9967 allocate_dynamic_stack_space.
9968 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9969 update stack_pointer_delta; do not update arg_size_so_far.
9970 (compute_argument_block_size): Use stack_delta instead of
9971 stack_pointer_pending and arg_size_so_far.
9972 (expand_call): Add sanity checking for stack_pointer_delta;
9973 save and restore stack_pointer_delta for SIB, use
9974 stack_pointer_delta for alignment; do not update arg_space_so_far.
9975 (emit_library_call_value): Use stack_pointer_delta for alignment.
9976 (store_one_arg): Do not update arg_space_so_far.
9977 * explow.c (adjust_stack, anti_adjust_stack): Update
9978 stack_pointer_delta.
9979 (allocate_dynamic_stack_space): Add sanity checking for
9980 stack_pointer_delta.
9981 * expr.c (init_expr, clear_pending_stack_adjust): Clear
9982 stack_pointer_delta.
9983 (emit_push_insn): Update stack_pointer_delta.
9984 * function.h (struct expr_status): Add x_stack_pointer_delta;
9985 remove x_arg_space_so_far.
9986 (arg_space_so_far): Remove.
9987 (stack_pointer_delta): New macro.
9989 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
9991 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
9992 Reorder struct cpp_options and struct cpp_reader for better
9993 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
9994 takes two args. Change all 'char' flags to 'unsigned char'.
9995 Move show_column flag into struct cpp_options. Don't
9996 prototype cpp_options_init.
9997 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
9998 cppinit.c, cpplex.c, cpplib.c:
9999 Replace CPP_OPTIONS (pfile)->whatever with
10000 CPP_OPTION (pfile, whatever), and likewise for
10001 opts = CPP_OPTIONS (pfile); ... opts->whatever;
10003 * cppinit.c (merge_include_chains): Take a cpp_reader *.
10004 Extract CPP_OPTION (pfile, pending) and work with that
10006 (cpp_options_init): Delete.
10007 (cpp_reader_init): Turn on on-by-default options here.
10008 Allocate the pending structure here.
10009 (cl_options, enum opt_code): Define these from the same table,
10010 kept in a large macro. Add -fshow-column and -fno-show-column
10013 * cpperror.c (v_message): If show_column is off, don't print
10016 * cppmain.c: Update for new interface.
10017 * fix-header.c: Likewise.
10019 2000-03-30 Geoff Keating <geoffk@cygnus.com>
10021 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
10023 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
10024 are passed to any invocation of AR_FOR_TARGET.
10025 (AR_CREATE_FOR_TARGET): New macro.
10026 (AR_EXTRACT_FOR_TARGET): New macro.
10027 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
10028 AR_EXTRACT_FOR_TARGET.
10029 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
10030 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
10031 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
10032 AR_EXTRACT_FOR_TARGET to sub-makes.
10034 2000-03-31 Neil Booth <NeilB@earthling.net>
10036 * cppexp.c: Delete SKIP_OPERAND. Correct priority
10038 (_cpp_parse_expr): Check for multiple unary +/- operators.
10039 Correct priorities of ':' and '?'. Treat ')' as having a
10040 value. Ensure conditional expression is not void.
10042 2000-03-31 Mark Mitchell <mark@codesourcery.com>
10044 * alias.c (canon_rtx): Make it global.
10045 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
10047 * cse.c (struct table_elt): Add canon_exp.
10048 (insert): Clear it.
10049 (invalidate): Canonicalize expressions only once.
10050 * rtl.h (canon_rtx): Declare.
10052 2000-03-30 Mark Mitchell <mark@codesourcery.com>
10054 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
10055 * alias.c (reg_known_value): Add comments.
10056 (init_alias_analysis): Likewise.
10057 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
10059 (cse_basic_block): Fix typo in comment.
10060 * emit-rtl.c: Include hashtab.h.
10061 (const_int_htab): New variable.
10062 (const_int_htab_hash): New function.
10063 (const_int_htab_eq): Likewise.
10064 (rtx_htab_mark_1): Likewise.
10065 (rtx_htab_mark): Likewise.
10066 (gen_rtx_CONST_INT): Cache all CONST_INTs.
10067 (unshare_all_rtx): Fix formatting.
10068 (init_emit_once): Initialize const_int_htab.
10069 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
10071 * rtl.texi: Document the fact that all CONST_INTs with the same
10074 2000-03-30 Richard Henderson <rth@cygnus.com>
10076 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
10078 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
10080 * configure.in: Comment out --enable-c-cpplib stanza.
10081 * configure: Regenerate.
10083 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10085 * expr.c (store_constructor): Properly compute displacement and
10086 alignment when offset is variable.
10088 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
10089 cases of alignment in bytes.
10091 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
10093 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
10094 since it is used to generate c-parse.y.
10095 * objc-parse.c, objc-parse.y: Regenerated.
10097 * function.c (expand_function_end): Pass alignment argument to
10098 emit_block_move in bits, not bytes.
10100 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10102 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10105 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10107 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10108 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10109 * function.c (assign_parms): Likewise.
10110 * integrate.c (expand_inline_function): Likewise.
10111 * stmt.c (expand_decl): Likewise.
10112 (copy_rtx_and_substitute): Likewise.
10113 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10114 (clear_by_pieces): Fix error in last change.
10115 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10116 * function.h (regno_pointer_align): Now unsigned.
10117 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10119 * config/i386/i386.c (aligned_operand): Likewise.
10120 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10121 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10122 (unaligned_memory_operand): Likewise.
10123 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10124 Also make alignments and sizes unsigned and some whitespace cleanup.
10125 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10127 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10128 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10129 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10130 (expand_builtin_memset): Likewise, but to clear_storage.
10131 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10132 (restore_fixed_argument_area): Likewise.
10133 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10134 (load_register_parameters): Likewise, to emit_group_load.
10135 (expand_call): Likewise, to emit_group_store and emit_block_move.
10136 (emit_library_call_value_1): Likewise, to emit_block_move.
10137 (store_one_arg): Likewise, and to emit_push_insn.
10138 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10139 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10140 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10141 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10142 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10143 (expand_assigment, store_expr, store_constructor_field): Likewise.
10144 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10145 (store_constructor, store_field, get_inner_reference): Likewise.
10146 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10147 (expand_expr, case COMPONENT_REF): Likewise.
10148 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10149 and positions; reindent code.
10150 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10151 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10152 (assign_parms): Likewise to emit_group_store.
10153 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10154 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10155 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10156 (expand_return): Likewise to {extract,store}_bit_field.
10157 * stor-layout.c (get_mode_alignment): Minor cleanup.
10158 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10159 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10161 2000-03-29 Nick Clifton <nickc@cygnus.com>
10163 * config/arm/arm.h: Undo effects of previous delta:
10164 (ASM_SPEC): Do not define.
10165 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10167 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10170 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10172 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10173 only after reading in the primary source file.
10175 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10177 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10178 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10179 or a reference to a va_list.
10180 * builtins.c (stabilize_va_list): Simplify now we don't have to
10181 work around C array address decay.
10182 * c-typeck.c (convert_for_assignment): Handle assignment to
10183 a reference parameter by taking the address of the RHS.
10184 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10185 (va_copy): Likewise.
10186 (__va_copy): Likewise.
10187 * ginclude/varargs.h (va_start): Likewise.
10188 (__va_copy): Likewise.
10190 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10192 * i386/djgpp.h: Remove extraneous "+".
10194 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10196 * calls.c (expand_call): Fix typo in last change.
10198 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10200 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10203 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10205 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10206 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10207 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10208 * tree.c (bit_position, byte_position): Likewise.
10209 * tree.h: Declare new functions.
10211 2000-03-29 Nick Clifton <nickc@cygnus.com>
10213 * config/arm/arm.c: Minor formatting changes/
10214 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10216 (ASM_SPEC): Define if not already defined.
10218 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10220 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10223 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10225 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10226 value, don't output it as unsigned.
10228 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10230 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10232 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10234 * c-common.c (c_common_nodes_and_builtins): Don't special case
10235 cplus_mode when declaring builtin bzero/bcmp, always avoid
10236 prototype arguments.
10238 2000-03-29 Bruce Korb <bkorb@gnu.org>
10240 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10243 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10245 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10246 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10247 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10248 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10249 (save_fixed_argument_area, restore_fixed_argument_area):
10250 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10251 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10252 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10253 (precompute_register_parameters): Avoid #ifdefs on
10254 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10255 (stire_one_args): Likewise.
10256 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10257 (emit_library_call_value_1): Likewise.
10258 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10259 ACCUMULATE_OUTGOING_ARGS.
10260 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10262 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10263 (use_crosses_set_p): Likewise.
10264 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10265 #define ACCUMULATE_OUTGOING_ARGS 1.
10266 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10268 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10270 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10271 (TARGET_SWITCHES): Add push-args, no-push-args,
10272 accumulate-outgoing-args and no-accumulate-outgoing-args.
10273 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10274 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10275 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10277 (emit_push_insn): Likewise.
10278 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10279 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10280 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10281 (STACK_DYNAMIC_OFFSET): Define correctly for both
10282 ACCUMULATE_OUTGOING_ARGS and normal mode.
10283 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10284 * tm.texi (PUSH_ARGS): Document.
10285 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10287 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10289 * flags.h (flag_optimize_sibling_calls): Declare.
10290 * calls.c (expand_call): Fail sibcall when
10291 !flag_optimize_sibling_calls
10292 * invoke.texi (flag_optimize_sibling_calls): Document.
10293 * toplev.c (flag_optimize_sibling_calls): New global variable.
10294 (f_options): Add flag_optimize_sibling_calls.
10295 (rest_of_compilation): Conditionize
10296 optimize_sibling_and_tail_recursive_calls by
10297 flag_optimize_sibling_calls.
10298 (main): Set flag_optimize_sibling_calls for -O2.
10299 * stmt.c (expand_return): Conditionize tail recursion by
10300 flag_optimize_sibling_calls.
10302 2000-03-29 Richard Henderson <rth@cygnus.com>
10304 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10305 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10307 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10309 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10311 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10313 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10315 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10316 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10317 * config/rs6000/aix.h: then modified likewise.
10319 2000-03-28 Richard Henderson <rth@cygnus.com>
10321 * rtl.h: Redistribute enum reg_note documentation.
10322 Kill trailing whitespace.
10323 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10324 Kill trailing whitespace.
10326 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10328 * cppfiles.c (hash_IHASH): Just return i->hash.
10329 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10330 htab_find_with_hash.
10331 (cpp_read_file): Likewise.
10332 (find_include_file): Likewise. Properly initialize
10333 ih->nshort. Share ih->name and ih->nshort if possible.
10334 * cpphash.c (_cpp_calc_hash): New function.
10335 (hash_HASHNODE): Just return h->hash.
10336 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10337 htab_find_with_hash.
10338 * cpphash.h: Prototype _cpp_calc_hash.
10339 * cppinit.c (initialize_builtins): Provide a valid hash
10340 to _cpp_make_hashnode, using _cpp_calc_hash.
10342 * cpphash.c (collect_expansion): # is not a special character
10343 in object-like macros. In -traditional mode, /**/ is not
10344 token paste at the beginning or end of the line.
10345 * cpplib.c (do_include, do_import, do_include_next): If
10346 parse_include fails, return immediately.
10348 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10350 * config/arm/arm.md (return peepholes): Update to reflect the new
10351 call insn patterns.
10352 * config/arm/arm.c (arm_volatile_func): Also check
10353 current_function_nothrow.
10354 (output_return_instruction, output_func_prologue): Use it.
10355 (arm_output_epilogue, arm_expand_prologue): Likewise.
10357 2000-03-27 Tom Tromey <tromey@cygnus.com>
10359 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10362 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10364 * expr.c (store_constructor): SIZE now signed.
10365 For EXPR_SIZE, don't evaluate size; just needed if constant.
10366 * fold-const.c (fold): Fix a number of cases when folded tree is
10368 * function.c (flush_addressof): Reenable.
10369 * tree.h (flush_addressof): Likewise.
10370 * toplev.c (independent_decode_option): Look at strings_processed.
10371 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10373 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10375 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10376 Allow stack adjustment after function call.
10378 * regmove.c (struct csa_memlist): Make mem field rtx *.
10379 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10380 (try_apply_stack_adjustment): Replace whole MEM rtx.
10381 (combine_stack_adjustments_for_block): Update calls
10382 to record_one_stack_ref.
10384 2000-03-28 Neil Booth <NeilB@earthling.net>
10386 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10387 '\\' rather than a null character, so nulls are not special. Fix
10388 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10389 speed trigraph conversion.
10390 (_cpp_init_input_buffer): Initialize trigraph map.
10392 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10394 * config/i386/i386.c (output_387_binary_op): Correct intel
10395 mode assembly output, and add spaces after commas in AT&T
10396 output. Correct Unixware assembler comment. Document input
10397 constraints. Comment fp operations. Reduce profligate buffer
10398 size. Remove extraneous abort. Localize temp var.
10399 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10400 (output_fix_trunc): Add spaces after commas in assembly output.
10402 2000-03-27 Richard Henderson <rth@cygnus.com>
10404 * i386-protos.h (ix86_match_ccmode): Declare.
10405 * i386.c (ix86_match_ccmode): New.
10406 (ix86_expand_fp_compare): Update for pattern renames.
10407 (ix86_expand_strlensi_unroll_1): Likewise.
10408 * i386.h (EXTRA_CC_MODES): Add CCZ.
10409 (SELECT_CC_MODE): Use it for EQ/NE zero.
10410 * i386.md (cmpsi_ccz_1): New.
10411 (cmpqi_ccz_1): New.
10412 (*testsi_ccz_1): New.
10413 (testqi_ccz_1): New.
10414 (cmpsi_ccno_1): Rename from cmpsi_0.
10415 (testsi_ccno_1): Rename from testsi_1.
10416 (testqi_ccno_1): Rename from testqi_1.
10417 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10418 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10419 (*cmphi_0): Use ix86_match_ccmode.
10420 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10421 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10422 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10423 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10424 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10425 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10426 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10427 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10428 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10429 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10430 (appropriate peepholes): Likewise.
10431 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10432 (*subsi_3, *subhi_3, *subqi_3): Remove.
10433 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10434 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10435 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10436 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10437 (x86_shift_adj_1): Use CCZ.
10438 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10440 2000-03-27 Stan Cox <scox@cygnus.com>
10442 * resource.h (mark_resource_type): New.
10443 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10444 find_free_register): Use mark_resource_type.
10445 (mark_set_resources): Change include_delayed_effects
10446 to mark_resource_type.
10447 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10448 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10449 Use mark_resource_type.
10451 2000-03-27 Richard Henderson <rth@cygnus.com>
10453 * i386.md (call_pop_0, call_value_pop_0): New.
10454 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10455 (call_value_pop_1): Likewise.
10456 (call_0, call_value_0): New.
10457 (call_1, call_value_1): Remove constraint from unused arg.
10459 2000-03-27 Nick Clifton <nickc@cygnus.com>
10461 * invoke.texi (Spec Files): Document new spec % command created by
10462 Tom Tromey's recent patch.
10464 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10466 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10469 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10471 * expr.c (expand_assignment): Fix typo in last change.
10473 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10475 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10477 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10478 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10479 and DECL_INLINE if FUNCTION_DECL.
10480 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10481 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10482 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10483 (combine_parm_decls): Likewise.
10484 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10485 * print-tree.c (print_node): Likewise.
10486 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10487 DECL_TRANSPARENT_UNION on proper decl types.
10488 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10489 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10490 DECL_BIT_FIELD of FIELD_DECL.
10491 * tree.h (DECL_RESULT_FLD): New macro.
10493 * expr.c (expand_assignment): Add code to handle variable-sized
10496 2000-03-26 Richard Henderson <rth@cygnus.com>
10498 * calls.c (expand_call): Pass parms not original exp to
10499 optimize_tail_recursion. Mind return value instead of looking
10501 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10502 call_expr. Move checks for call_expr and current_function_decl ...
10503 (expand_return): ... here.
10505 2000-03-26 Tom Tromey <tromey@cygnus.com>
10507 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10508 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10510 (process_command): Use them.
10511 (check_live_switch): Likewise.
10512 (give_switch): Skip ignored switches.
10514 2000-03-26 Jan Hubicka <jh@suse.cz>
10516 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10517 for minimal jump pass test.
10519 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10521 * integrate.c (function_cannot_inline_p): Do inline functions that
10524 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10526 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10527 now a list of TREE_LIST entries, not types.
10528 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10530 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10531 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10533 * config/mips/mips.c (function_arg): Likewise; also remove cast
10534 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10535 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10536 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10537 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10538 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10539 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10540 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10541 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10542 num_adjusts now unsigned.
10543 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10544 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10545 NREGS now unsigned.
10546 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10547 as is BITPOS variable; use host_integerp and int_bit_position.
10548 (function_arg_record_value_2): Likewise.
10549 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10550 Variable REGNO now unsigned.
10551 (function_arg_record_value): NREGS now unsigned.
10553 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10555 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10557 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10559 * Rework fields used to describe positions of bitfields and
10560 modify sizes to be unsigned and use HOST_WIDE_INT.
10561 * alias.c (reg_known_value_size): Now unsigned.
10562 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10563 (really_start_incremental_init): Use bitsize_zero_node.
10564 (push_init_level, pop_init_level, output_init_element): Likewise.
10565 Use bitsize_unit_node and bitsize_one_node.
10566 (output_pending_init_elements, process_init_element): Likewise.
10567 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10568 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10569 HOST_WIDE_INT, respectively.
10570 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10571 (num_sign_bit_copies): Returns unsigned.
10572 BITWIDTH now unsigned; rework arithmetic.
10573 Remove recursive call from arg to MAX.
10574 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10575 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10576 REGNO now unsigned.
10577 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10578 (find_split_point, expand_compound_operation, make_extraction): LEN
10579 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10580 (make_field_assignment): Likewise.
10581 (combine_simplify_rtx): Add cast.
10582 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10583 (force_to_mode): WIDTH now unsigned; add cast.
10584 (if_then_else_cond): SIZE now unsigned.
10585 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10586 (extended_count): Now returns unsigned.
10587 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10588 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10589 (simplify_comparison): MODE_WIDTH now unsigned.
10590 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10591 (mark_used_regs_combine): Likewise; rework arithmetic.
10592 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10593 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10594 (record_promoted_value): REGNO now unsigned.
10595 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10596 (get_last_value): REGNO now unsigned.
10597 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10598 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10599 (remove_death): Arg REGNO now unsigned.
10600 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10601 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10603 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10604 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10605 (struct cse_reg_info): REGNO now unsigned.
10606 (cached_regno): Now unsigned.
10607 (REGNO_QTY_VALID_P): Add cast.
10608 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10609 (remove_invalid_regs): Likewise.
10610 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10611 as are variables END and I.
10612 (get_cse_reg_info, insert): Likewise.
10613 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10614 (canon_hash): Likewise.
10615 (insert_regs, lookup_for_remove): REGNO now unsigned.
10616 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10618 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10619 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10620 * emit-rtl.c (subreg_realpart_p): Add cast.
10621 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10622 (operand_subword_force): Arg I is now unsigned.
10623 * except.c (eh_regs): Variable I is now unsigned.
10624 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10625 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10626 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10627 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10628 (extract_split_bit_field, store_bit_field, extract_bit_field):
10630 * expr.c (store_constructor_fields, store_constructor, store_field):
10631 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10632 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10633 (do_jump): Likewise.
10634 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10635 MAX_SIZE is now unsigned.
10636 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10637 (emit_group_store): Likewise.
10638 (emit_move_insn): I now unsigned.
10639 (store_constructor): Use host_integerp, tree_low_cst, and
10641 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10642 Rework all calculations to use trees and new fields.
10643 * expr.h (promoted_input_arg): Regno now unsigned.
10644 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10645 (mark_seen_cases): Arg is HOST_WIDE_INT.
10646 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10647 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10648 precisions and alignments are unsigned.
10649 (optimize_bit_field_compare, fold_truthop): Likewise.
10650 (int_const_binop): Adjust threshold for size_int_type_wide call.
10651 (fold_convert): Likewise.
10652 (size_int_type_wide): Make table larger and fix thinko that only
10653 had half of table used.
10654 (all_ones_mask_p, fold): Precisions are unsigned.
10655 * function.c (put_reg_info_stack): REGNO is unsigned.
10656 (instantiate_decl): Size is HOST_WIDE_INT.
10657 (instantiate_virtual_regs): I is unsigned.
10658 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10659 (promoted_input_arg): REGNO is unsigned.
10660 * function.h (struct function): x_max_parm_reg is now unsigned.
10661 * gcse.c (max_gcse_regno): Now unsigned.
10662 (struct null_pointer_info): min_reg and max_reg now unsigned.
10663 (lookup_set, next_set): REGNO arg now unsigned.
10664 (compute_hash_table): REGNO and I now unsigned.
10665 (handle_avail_expr): regnum_for_replacing now unsigned.
10666 (cprop_insn): REGNO now unsigned.
10667 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10668 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10669 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10670 * hard-reg-set.h (reg_class_size): Now unsigned.
10671 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10672 * jump.c (mark_modified_reg): I now unsigned; add cast.
10673 (rtx_equal_for_thread_p): Add cast.
10674 * loop.c (max_reg_before_loop): Now unsigned.
10675 (struct_movable): REGNO now unsigned.
10676 (try_copy_prop): REGNO arg unsigned.
10677 (regs_match_p): XN and YN now unsigned.
10678 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10679 (strength_reduce): Likewise; NREGS also unsigned.
10680 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10681 * loop.h (struct iv_class): REGNO now unsigned.
10682 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10684 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10685 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10686 * optabs.c (expand_binop): I and NWORDS now unsigned.
10687 (expand_unop): I now unsigned.
10688 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10689 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10690 * real.c (significand_size): Now returns unsigned.
10691 * real.h (significand_size): Likewise.
10692 * regclass.c (reg_class_size): Now unsigned.
10693 (choose_hard_reg_mode): Both operands now unsigned.
10694 (record_reg_classes): REGNO and NR now unsigned.
10695 (reg_scan): NREGS now unsigned.
10696 (reg_scan_update): old_max_regno now unsigned.
10697 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10698 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10699 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10700 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10701 Likewise for variable R.
10702 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10703 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10704 (find_equiv_reg): Add casts.
10705 (regno_clobbered_p): Arg REGNO now unsigned.
10706 * reload.h (struct reload): NREGS now unsigned.
10707 (refers_to_regno_for_reload_p): Regno args are unsigned.
10708 (regno_clobbered_p): Likewise.
10709 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10710 (compute_use_by_pseudos): REGNO now unsigned.
10711 (find_reg): I and J now unsigned, new variable K, and change loop
10712 variables accordingly; THIS_NREGS now unsigned.
10713 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10714 (spill_hard_reg): REGNO arg now unsigned; add casts.
10715 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10716 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10717 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10718 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10719 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10720 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10721 (emit_reload_insns): REGNO now unsigned.
10722 (reload_cse_move2add): Add cast.
10723 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10725 * resource.c (mark_referenced_resources, mark_set_resources): New
10726 variable R; REGNO and LAST_REGNO now unsigned.
10727 (mark_target_live_regs): J and REGNO now unsigned.
10728 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10729 * rtl.h (union rtunion_def): New field rtuint.
10730 (XCUINT): New macro.
10731 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10732 (operand_subword, operand_subword_force): Word number is unsigned.
10733 (choose_hard_reg_mode): Operands are unsigned.
10734 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10735 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10736 (regno_use_in, combine_instructions, remove_death): Likewise.
10737 (reg_scan, reg_scan_update): Likewise.
10738 (extended_count): Return is unsigned.
10739 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10740 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10741 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10742 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10743 (reg_reg_last_1): FIRS and LAST now unsigned.
10744 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10745 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10747 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10748 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10749 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10750 (replace_regs): Arg NREGS now unsigned.
10751 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10752 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10753 (simplify_binary_operation): Likewise.
10754 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10755 THIS_LAST now unsigned.
10756 (cselib_record_set): Add cast.
10757 * ssa.c (ssa_max_reg_num): Now unsigned.
10758 (rename_block): REGNO now unsigned.
10759 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10760 sizes now unsigned.
10761 (all_cases_count): Just return -1 not -2.
10762 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10763 Rework tests to use trees whenever possible.
10764 Use host_integerp and tree_low_cst.
10765 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10766 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10767 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10768 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10769 (smallest_mode_for_size): Likewise.
10770 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10771 KNOWN_ALIGN is now an alignment, so simplify code.
10772 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10773 (start_record_layout): Renamed from new_record_layout_info.
10774 Update to new fields.
10775 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10777 (place_union_field): Renamed from layout_union_field.
10778 Update to use new fields in rli.
10779 (place_field): Renamed from layout_field.
10780 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10781 (finalize_record_size): Rework to use new fields in rli and handle
10783 (compute_record_mode): Rework to simplify and to use new DECL fields.
10784 (finalize_type_size): Make rounding more consistent.
10785 (finish_union_layout): Deleted.
10786 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10787 (layout_type, case RECORD_TYPE): Call new function names.
10788 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10789 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10790 (get_best_mode): UNIT is now unsigned; remove casts.
10791 * tree.c (bit_position): Compute from new fields.
10792 (byte_position, int_byte_position): New functions.
10793 (print_type_hash_statistics): Cast to remove warning.
10794 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10795 (build_index_type): Likewise; make subtype of sizetype.
10796 (build_index_2_type): Pass sizetype to build_range_type.
10797 (build_common_tree_nodes): Use size_int and bitsize_int to
10798 initialize nodes; add bitsize_{zero,one,unit}_node.
10799 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10800 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10801 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10802 (DECL_FIELD_BITPOS): Deleted.
10803 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10804 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10805 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10806 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10807 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10808 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10809 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10810 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10811 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10812 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10813 (DECL_ALIGN): Adjust to new field in union.
10814 (DECL_OFFSET_ALIGN): New field.
10815 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10816 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10817 (union tree_decl): Add struct for both aligns.
10818 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10819 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10820 (struct record_layout_info): Rework fields to have offset
10821 alignment and byte and bit position.
10822 (start_record_layout, place_field): Renamed from old names.
10823 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10824 (byte_position, int_byte_position): Likewise.
10825 (get_inner_reference): Change types of position and length.
10826 * unroll.c (unroll_loop): New variable R; use for some loops.
10827 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10828 (calculate_giv_inc): Arg REGNO now unsigned.
10829 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10830 * varasm.c (assemble_variable): Clean up handling of size using
10831 host_integerp and tree_low_cst.
10832 (decode_addr_const): Use byte, not bit, position.
10833 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10834 use tree_low_cst and int_bit_position.
10835 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10837 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10839 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10840 (reorder_block_def): New members eff_head and eff_end.
10841 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10842 (verify_insn_chain): New function.
10843 (skip_insns_between_block): Add code to skip deleted insns.
10844 Check for note before using.
10845 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10846 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10847 Check for note before using.
10848 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10849 (fixup_reorder_chain): Restructure, clean up, defect removal.
10850 (reorder_basic_blocks): Remove last_insn and references to it.
10851 Moved insn chain verification code into a new function (see above).
10852 Delete defective code that sets last insn.
10853 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10856 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10858 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10860 2000-03-24 Richard Henderson <rth@cygnus.com>
10862 * tree.c (lang_safe_for_unsave): Remove.
10863 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10864 allowing for two levels of unsafeness. Remove lang hook.
10865 * tree.h: Update declarations.
10866 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10867 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10868 Always fail sibcalls when there are pending cleanups.
10870 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10872 * flow.c (propagate_block): When we delete an ADDR_VEC,
10873 also delete the BARRIER following it if there is one.
10875 2000-03-24 Richard Henderson <rth@cygnus.com>
10877 * builtins.c (expand_builtin_bzero): Convert `length' argument
10880 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10882 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10883 comparison if regno's are equal.
10884 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10885 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10886 (expand_call): Update caller.
10887 Avoid making a sibling call if argument size of the callee is larger
10888 than argument size of the caller.
10889 Call hard_function_value with outgoing set if in sibcall pass.
10890 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10892 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10893 Change LEAF_REGISTERS from an array initializer to actual array
10894 identifier. Move static global variable into the function.
10895 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10896 sequences for leaf functions.
10897 * global.c (global_alloc): Likewise.
10898 * tm.texi (LEAF_REGISTERS): Update documentation.
10900 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10901 TARGET_FLAT leaf disabling hack.
10902 (LEAF_REGISTERS): Changed from an array initializer to actual array
10903 identifier to avoid duplication and remove the above hack.
10904 (FUNCTION_OK_FOR_SIBCALL): Define.
10905 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10906 always like call attribute.
10907 (eligible_for_sibcall_delay): New attribute.
10908 (sibcall): New delay type.
10909 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10910 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10911 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10912 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10913 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10915 (output_function_epilogue): Move part of the code into
10916 output_restore_regs.
10917 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10919 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10922 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10923 until infrastructure is finished.
10925 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10927 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10928 (save_parm_insns): Not here.
10930 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10932 * builtins.c (expand_builtin_bzero): New function.
10933 (expand_builtin): Handle bzero.
10935 * builtins.def: Add BUILT_IN_BZERO.
10937 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10938 prototype & function for bzero.
10940 2000-03-23 Michael Meissner <meissner@redhat.com>
10942 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10943 change adding TARGET_FP to the TF floating point insns, except for
10944 trunctfsf2, which generates direct calls to truncdfsf2.
10946 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10948 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10949 try to protect against middle-end changes that break binary
10951 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10953 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10955 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10957 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10959 * calls.c (expand_call): If TARGET is passed by reference and
10960 is readonly, write a CLOBBER.
10962 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10964 * builtins.c (expand_builtin): Handle bcmp.
10966 * builtins.def: Add BUILT_IN_BCMP.
10968 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10969 prototype & function for bcmp.
10971 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10973 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10974 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10975 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10977 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10979 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
10980 alternative when using -fp64 -gp32.
10982 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
10984 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
10985 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
10986 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
10988 * frame.h (frame_state): Revert last change.
10989 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
10990 * libgcc2.c (throw_helper): Revert last change.
10992 2000-03-22 Richard Henderson <rth@cygnus.com>
10994 * stmt.c (expand_asm_operands): Don't promote the temporary.
10996 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
10998 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
10999 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
11000 c_get_alias_set): Likewise.
11001 * c-decl.c (duplicate_decls): Likewise.
11002 * c-typeck.c (default_conversion,build_unary_op): Likewise.
11003 * calls.c (initialize_argument_information): Likewise.
11004 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
11006 * dwarfout.c (decl_class_context,output_type): Likewise.
11007 * expr.c (get_inner_reference): Likewise.
11008 * fold-const.c (simple_operand_p,fold): Likewise.
11009 * function.c (aggregate_value_p): Likewise.
11010 * stmt.c (expand_asm_operands): Likewise.
11011 * varasm.c (named_section): Likewise.
11013 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11015 Implement dwarf2 exception handling for the ARM.
11016 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
11017 (DWARF_FRAME_RETURN_COLUMN): Define.
11018 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
11019 REG_FRAME_RELATED_EXPR note.
11020 (emit_sfm): Likewise.
11021 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
11022 * dwarf2out.c (reg_save): Handle saving a register to itself.
11023 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
11024 * except.c (eh_regs): Don't use the static chain reg if it's
11026 * frame.h (frame_state): Add cfa_saved field.
11027 * frame.c (execute_cfa_insn): Set it.
11028 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
11030 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
11032 (instantiate_virtual_regs): Adjust.
11034 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11035 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11036 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
11038 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
11039 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
11041 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11043 * builtins.def: New file.
11045 * Makefile.in (TREE_H): Depend on builtins.def.
11047 * builtins.c (built_in_names): Use builtins.def.
11049 * tree.h (built_in_function): Likewise.
11051 2000-03-22 Mark Mitchell <mark@codesourcery.com>
11053 * tree.c (size_in_bytes): Return size_zero_node, not
11056 2000-03-22 Geoff Keating <geoffk@cygnus.com>
11058 * config/fp-bit.c (pack_d): Correct the case when a denormal
11059 is rounded up and stops being denormal.
11061 2000-03-21 Richard Henderson <rth@cygnus.com>
11063 * config/alpha/alpha.c (function_arg): Check for void_type_node
11064 before using MUST_PASS_IN_STACK.
11066 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
11068 * regmove.c (combine_stack_adjustments_for_block): Check that
11069 the stack pointer is a valid memory address.
11071 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
11073 * calls.c: re-install Mar 16 emit_library_call merge.
11075 2000-03-21 Jakub Jelinek <jakub@redhat.com>
11077 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
11078 we cannot be sure that if reload_completed base register will
11079 be properly aligned.
11081 2000-03-21 Richard Henderson <rth@cygnus.com>
11083 * flow.c (delete_block): Fix typo last change.
11085 2000-03-21 Mark Mitchell <mark@codesourcery.com>
11087 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
11088 not COMPLETE_TYPE_P, to check the type of the expression.
11090 2000-03-21 Michael Meissner <meissner@redhat.com>
11092 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
11093 all floating point insns that just tested the macro
11094 TARGET_HAS_XFLOATING_LIBS.
11095 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
11096 used to only use the gprs.
11098 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11100 * tree.h (COMPLETE_TYPE_P): New macro.
11101 (COMPLETE_OR_VOID_TYPE_P): New macro.
11102 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11103 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11104 * c-aux-info.c (gen_type): Use them.
11105 * c-common.c (c_expand_expr_stmt): Likewise.
11106 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11107 grokdeclarator, grokparms, finish_struct, start_function,
11108 store_parm_decls, combine_parm_decls): Likewise.
11109 * c-parse.y (cast_expr): Likewise.
11110 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11111 c_size_in_bytes, c_alignof, build_component_ref,
11112 build_indirect_ref, build_array_ref, convert_arguments,
11113 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11114 * calls.c (initialize_argument_information): Likewise.
11115 * convert.c (convert_to_integer): Likewise.
11116 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11117 * dwarfout.c (location_or_const_value_attribute,
11118 output_enumeration_type_die, output_structure_type_die,
11119 output_union_type_die, output_type): Likewise.
11120 * expr.c (safe_from_p, expand_expr): Likewise.
11121 * function.c (assign_parms): Likewise.
11122 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11123 * tree.c (build_array_type, build_function_type,
11124 build_method_type, build_offset_type, build_complex_type): Likewise.
11125 * c-parse.c, c-parse.h: Regenerated.
11127 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11129 * config/c4x/rtems.h: Include config/rtems.h.
11131 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11133 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11134 decl is a FUNCTION_DECL
11136 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11138 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11139 function uses output registers. Don't save RP for leaf functions.
11140 Do save RP even if no epilogue.
11141 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11142 (CALL_USED_REGISTERS): Unmark in registers.
11143 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11144 to near the middle.
11146 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11148 * config/rs6000/rs6000.md (bunordered): New expander.
11149 (bordered): New expander.
11150 (buneq): New expander.
11151 (bunge): New expander.
11152 (bungt): New expander.
11153 (bunle): New expander.
11154 (bunlt): New expander.
11155 (bltgt): New expander.
11157 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11158 (ccr_bit_negated_p): New function.
11159 (print_operand): For %C, generate appropriate cror for UNEQ,
11160 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11162 2000-03-20 Andreas Jaeger <aj@suse.de>
11164 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11167 * tree.h (safe_for_unsave): Prototype.
11169 2000-03-20 Richard Henderson <rth@cygnus.com>
11171 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11172 (combine_stack_adjustments_for_block): Don't allow sp references
11173 in the side of a set we're not fixing up.
11174 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11175 after life_analysis.
11177 2000-03-20 Richard Henderson <rth@cygnus.com>
11179 * calls.c (expand_call): Don't bother generating tail call
11180 sequences if there are pending cleanups. Use
11181 expand_start_target_temps/expand_end_target_temps to elide
11182 cleanups created during sibcall expansion.
11184 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11186 * configure.in: Set $IFS to a value if it doesn't already have one
11187 in the --enable-checking handling.
11188 * configure: Regenerate.
11190 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11192 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11193 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11196 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11198 * jump.c (delete_noop_moves): Remove code attempting to
11199 combine stack adjustments.
11201 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11203 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11204 * except.c (emit_cleanup_handler): Use them.
11205 (expand_end_all_catch): Likewise.
11206 * function.c (fixup_var_refs): Likewise.
11207 (expand_function_end): Clear catch_clauses_last.
11208 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11209 * except.h (struct eh_status): New field x_catch_clauses_last.
11210 (catch_clauses_last): New define.
11212 * Makefile.in (tree.o): Depend on HASHTAB_H.
11213 * tree.c: Include hashtab.h.
11214 (struct type_hash): Remove next field.
11215 (TYPE_HASH_SIZE): Remove.
11216 (TYPE_HASH_INITIAL_SIZE): New define.
11217 (type_hash_table): Change type to htab_t.
11218 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11219 mark_hash_entry): New functions.
11220 (init_obstacks): Allocate type hash.
11221 (type_hash_lookup): Use htab functions.
11222 (type_hash_add, mark_type_hash): Likewise.
11223 (dump_tree_statistics): Call print_type_hash_statistics.
11225 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11227 * rs6000/t-aix41: New file.
11229 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11231 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11233 * tm.texi (Driver): Fix typos and tweak entry for
11235 Move misplaced STRUCT_FORCE_BLK entry ...
11236 (Storage Layout): ... to here.
11237 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11239 2000-03-19 Richard Henderson <rth@cygnus.com>
11241 * flow.c (delete_block): Delete the addr_vec along with the block.
11242 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11245 * fold-const.c (extract_muldiv): Apply type check for defined
11246 overflow to multiply as well as divide.
11248 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11250 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11252 * emit-rtl.c (remove_unncessary_notes): Check that all
11253 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11254 associated NOTE_BLOCK.
11255 * function.h (identify_blocks): Update comments.
11256 (reorder_blocks): Declare.
11257 * function.c (identify_blocks): Don't take paramters.
11258 (reorder_blocks): Don't take parameters.
11259 * loop.h (find_loop_tree_blocks): Remove.
11260 (unroll_block_trees): Likewise.
11261 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11262 reorder_blocks instead of unroll_block_trees.h
11263 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11264 * stmt.c (find_loop_tree_blocks): Remove.
11265 (unroll_block_trees): Likewise.
11266 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11267 in whole-function mode.
11268 * tree.h (reorder_blocks): Remove declaration.
11270 * expr.c: Include intl.h.
11271 * Makefile.in (expr.o): Depend on intl.h.
11273 2000-03-18 Richard Henderson <rth@cygnus.com>
11275 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11277 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11279 * tree.h (tree_index): Remove enumerals for integer types.
11280 (integer_type_kind): New type.
11281 (integer_types): New variable.
11282 (char_type_node): Adjust.
11283 (signed_char_type_node): Likewise.
11284 (unsigned_char_type_node): Likewise.
11285 (short_integer_type_node): Likewise.
11286 (short_unsigned_type_node): Likewise.
11287 (integer_type_node): Likewise.
11288 (unsigned_type_node): Likewise.
11289 (long_integer_type_node): Likewise.
11290 (long_unsigned_type_node): Likewise.
11291 (long_long_integer_type_node): Likewise.
11292 (long_long_unsigned_type_node): Likewise.
11293 * tree.c (integer_types): New variable.
11294 (init_obstacks): Register it as a root.
11296 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11298 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11299 NEXT_INSN. Update last insn in chain.
11301 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11303 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11304 with TYPE_DECL_SUPPRESS_DEBUG set.
11306 2000-03-18 Richard Henderson <rth@cygnus.com>
11308 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11310 2000-03-18 Richard Henderson <rth@cygnus.com>
11312 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11313 care for HALF_PIC_P.
11314 (expander_call_insn_operand): Remove.
11315 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11316 * i386.h (PREDICATE_CODES): Update.
11317 * i386.md (all call expanders): Remove predicates, remove special
11318 handling for half-pic.
11319 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11320 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11321 (sibcall_epilogue): New.
11323 2000-03-17 Richard Henderson <rth@cygnus.com>
11325 * rtlanal.c (single_set): Reject if the parallel has anything
11326 except SET or USE or CLOBBER.
11328 2000-03-17 Jeff Law <law@cygnus.com>
11329 Richard Henderson <rth@cygnus.com>
11331 * Makefile.in (OBJS): Add sibcall.o.
11333 * sibcall.c: New file.
11334 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11335 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11336 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11337 Emit sibcall patterns when requested. Update all callers.
11338 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11339 elimination seems feasable.
11340 * final.c (leaf_function_p): Sibling calls don't discount being
11342 * flow.c (HAVE_sibcall_epilogue): Provide default.
11343 (find_basic_blocks_1): Sibling calls don't throw.
11344 (make_edges): Make edge from sibling call to EXIT.
11345 (propagate_block): Don't remove sibcall_epilogue insns.
11346 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11347 (sibcall_epilogue): New.
11348 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11349 (identify_blocks_1): Likewise. Break out from ...
11350 (identify_blocks): ... here.
11351 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11352 (reorder_blocks): ... here.
11353 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11354 (record_insns): Extend a varray instead of mallocing new memory.
11355 (contains): Read a varray not array of ints.
11356 (sibcall_epilogue_contains): New.
11357 (thread_prologue_and_epilogue_insns): Emit and record
11358 sibcall_epilogue patterns.
11359 (init_function_once): Allocate prologue/epilogue varrays.
11360 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11361 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11362 Broken out from ...
11363 (save_for_inline_nocopy): ... here.
11364 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11365 Broken out from ...
11366 (expand_inline_function): ... here.
11367 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11368 (subst_constants): Handle 'n' formats.
11369 * jump.c (jump_optimize_minimal): New.
11370 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11371 optimizations if it's set.
11372 * rtl.c (copy_rtx): Do copy jump & call for insns.
11373 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11374 (SIBLING_CALL_P): New.
11375 (sibcall_use_t): New.
11376 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11377 Invoke optimize_sibling_and_tail_recursive_calls.
11378 * tree.c (lang_safe_for_unsave): New.
11379 (safe_for_unsave): New.
11380 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11382 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11383 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11384 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11386 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11388 * objc/objc-act.c (encode_method_prototype): Pass types, not
11389 PARM_DECLs, to int_size_in_bytes.
11391 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11393 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11395 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11396 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11398 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11400 * Clean up usages of TREE_INT_CST_LOW.
11401 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11402 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11404 * c-tree.h (min_precision): Move declaration to here.
11405 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11406 (build_unary_op, add_pending_init): Use bit_position.
11407 (pending_init_member, process_init_element): Likewise.
11408 (really_start_incremental_init, push_init_level, pop_init_level):
11409 Don't make copies of nodes or modify them in place, use consistent
11410 types when tracking positions, and use tree routines computations.
11411 (set_init_index, output_init_element): Likewise.
11412 (output_pending_init_elements, process_init_element): Likewise.
11413 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11414 tree_low_cst and int_bit_position; also minor cleanup.
11415 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11416 (print_cst_octal): Precision is unsigned.
11417 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11418 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11419 (simple_type_align_in_bits): Result is unsigned int.
11420 Use tree_int_low_cst and host_integerp.
11421 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11422 (field_byte_offset): Result is HOST_WIDE_INT.
11423 Change types of internal variables so alignments are unsigned int,
11424 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11425 Use host_integerp, tree_low_cst, and int_bit_position.
11426 (add_bit_offset_attribute): Likewise.
11427 (add_data_member_location_attribute): Use tree_cst_low.
11428 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11429 (add_bit_size_attribute): Use tree_low_cst.
11430 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11431 * dwarfout.c: Similar changes to dwarf2out.c.
11432 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11433 * genoutput.c (n_occurences): Return -1 for null string.
11434 (strip_whitespace): Accept null string and make into function.
11435 (scan_operands): Reflect above changes.
11436 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11437 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11438 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11439 * tree.c (int_size_in_bytes): Check for too big to represent.
11440 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11441 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11443 (min_precision): Delete from here.
11444 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11445 and int_bit_position.
11446 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11447 (encode_method_def): Likewise.
11448 (build_ivar_list_initializer): Use int_bit_position.
11449 (generate_shared_structures): Convert size.
11450 (encode_type, encode_complete_bitfield): Use integer_zerop.
11451 (encode_bitfield): Use tree_low_cst and int_bit_position.
11453 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11455 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11457 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11459 * call.c (special_function_p): It is only malloc if it returns
11462 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11464 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11465 (C33_FLAG, TARGET_C3X): Add macros.
11466 (TARGET_SWITCHES): Add -m33 option.
11467 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11469 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11471 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11472 (PARALLEL_PACK_FLAG): Delete.
11473 (TARGET_SWITCHES): Update.
11474 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11476 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11478 * fold-const.c (fold): Fix a few cases when the returned result
11479 is not of the same type as the input.
11481 2000-03-16 Nick Clifton <nickc@cygnus.com>
11483 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11486 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11488 * libgcc2.h: Move prototypes above macros with the same name.
11489 Wrap some function prototypes in the conditional which indicates
11490 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11492 2000-03-16 Richard Henderson <rth@cygnus.com>
11494 * calls.c: Revert last two changes.
11496 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11498 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11499 has exponent 0 is a zero.
11501 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11502 HASH may already be nonzero. Add code/mode into hash value
11503 immediately after repeat label.
11504 (cselib_lookup): Don't leave the hash table in an inconsistent
11505 state before a hash lookup operation.
11507 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11509 * i386.md (all HI and QI mode non-move patterns): Conditionize
11510 by TARGET_[HQ]IMODE_MATH.
11511 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11512 x86_promote_qi_regs): Declare.
11513 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11514 TARGET_PROMOTE_QI_REGS): New macros.
11515 (PROMOTE_MODE): New macro.
11516 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11517 x86_promote_qi_regs): New global variables.
11519 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11521 * calls.c (emit_library_call_value_1): Break out from ...; handle
11522 VOIDmode function calls too.
11523 (emit_library_call_value): ... here.
11524 (emit_library_call): Implement by calling emit_library_call_value_1.
11526 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11528 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11529 Update arg_space_so_far on stack adjustments.
11530 (emit_library_call, emit_library_call_value): Likewise; take into
11531 account arg_space_so_far and pending_stack_adjust when calculcating
11534 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11536 * flow.c: Move all basic block reordering code into its own file.
11537 (create_basic_block): Externalize.
11538 * bb-reorder.c: New file. Copy all basic block reordering code from
11539 flow.c to this file.
11540 (reorder_basic_blocks): Fix fencepost error in for-loop.
11541 (reorder_basic_blocks): Remove braces from single statement for-loops.
11542 * basic-block.h: Add declaration for create_basic_block.
11543 * Makefile.in: Add rules for bb-reorder.o.
11545 2000-03-16 Neil Booth <NeilB@earthling.net>
11547 * cppinit.c (handle_option): Implement #unassert directive
11548 as -A- command line option.
11549 (print_help): Update.
11550 * cpptexi.c: Update.
11552 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11554 * md.texi (Standard Names): Document `jump'.
11556 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11558 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11561 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11563 Merge changes from newppc-branch onto trunk.
11565 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11567 * rs6000.c (toc_hash_table): Update for new hash table functions.
11568 (toc_hash_function): Likewise.
11569 (toc_hash_eq): Likewise.
11570 (toc_hash_mark_entry): Likewise.
11571 (toc_hash_mark_table): Likewise.
11572 (output_toc): Likewise.
11573 (rs6000_add_gc_roots): Likewise.
11575 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11577 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11578 (AR_FLAGS_FOR_TARGET): here. New macro.
11580 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11582 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11583 fpmem_operand) Delete.
11585 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11586 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11587 (rs6000_save_machine_status, rs6000_restore_machine_status,
11588 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11589 references to above variables.
11590 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11591 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11592 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11593 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11594 (XER_REGNO_P, XER_REGNO): New.
11595 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11596 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11597 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11599 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11600 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11601 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11603 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11605 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11606 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11607 * rs6000.h: from here.
11609 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11610 (rs6000_select_rtx_section): Likewise.
11611 (rs6000_encode_section_info): Likewise.
11612 (sdata_section): Likewise.
11613 (sdata2_section): Likewise.
11614 (sbss_section): Likewise.
11615 * sysv4.h (rs6000_select_section): Delete prototype.
11616 (rs6000_select_rtx_section): Likewise.
11617 (rs6000_encode_section_info): Likewise.
11618 (sdata_section): Likewise.
11619 (sdata2_section): Likewise.
11620 (sbss_section): Likewise.
11621 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11623 * sysv4.h: Delete various unnecessary #undef's and put a comment
11624 on the remaining ones.
11625 Change various comments according to coding standard.
11627 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11629 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11630 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11631 (CR0_REGNO_P) Remove.
11632 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11633 setup_incoming_varargs, mtcrf_operation, print_operand,
11634 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11635 Use the above macros.
11637 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11639 * config/rs6000/rs6000.md: Added a new alternative for each
11640 pattern that had a 'x' alternative but no 'y' alternative.
11641 Added a new split for each of the above patterns.
11643 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11645 * aix41.h (ASM_CPU_SPEC): Delete.
11646 (CPP_CPU_SPEC): Delete.
11648 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11649 (ASM_OUTPUT_LABEL): Define.
11650 (ASM_GLOBALIZE_LABEL): Define.
11651 (STRIP_NAME_ENCODING): Define.
11652 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11653 (STRIP_NAME_ENCODING): Don't define.
11654 (ASM_OUTPUT_LABEL): Don't define.
11655 (ASM_GLOBALIZE_LABEL): Don't define.
11656 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11657 names, and ASM_OUTPUT_LABEL to output labels, rather than
11659 (ASM_OUTPUT_LABEL): Define.
11660 (ASM_OUTPUT_INT): Use assemble_name.
11661 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11662 (STRIP_NAME_ENCODING): Don't undefine first.
11663 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11665 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11666 specified with 'asm' even with -fleading-underscore.
11667 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11668 (output_epilog): Likewise.
11669 (output_toc): Likewise.
11670 * tramp.asm: Handle -fleading-underscore correctly.
11672 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11674 (nonlocal_goto_receiver): Delete.
11675 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11677 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11678 (SET_ASM_OP): Define.
11679 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11681 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11682 (ASM_LONG): Define.
11684 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11685 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11687 * rs6000.h: Add 'u' to more constants.
11689 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11691 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11693 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11695 * rs6000.c (reg_or_u_cint_operand): New function.
11696 (logical_operand): Handle 64-bit hosts.
11697 (logical_u_operand): New function.
11698 (non_logical_cint_operand): Handle 64-bit hosts.
11699 (non_logical_u_cint_operand): New function.
11700 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11701 (PREDICATE_CODES): Define new functions.
11702 * rs6000-protos.h: Declare new functions.
11703 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11704 (movdi_64): Bracket code intended for 64-bit hosts. Create
11705 CONST_DOUBLE for 32-bit values.
11706 (scc insns): Generate DImode compares.
11707 (mfcr insns): Create DImode versions.
11708 (sge matchers): New patterns.
11710 2000-02-15 Gabriel Paubert <paubert@iram.es>
11712 * rs6000.md: Correct instructions length attributes and
11713 constraints on unsigned compare instructions.
11714 (*ne0): Disable for PowerPC64.
11716 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11718 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11719 quantity, fix profile1.C test failure under -fPIC.
11721 * rs6000.c: Add 'u' to many constants to suppress warnings.
11722 (constant_pool_expr_1): Make static.
11723 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11724 * rs6000.h: Add 'u' to many constants to suppress warnings.
11726 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11727 for the start of the TOC, instead of LCTOC..0.
11728 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11730 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11731 (load_toc_aix_di): Use LCTOC..1.
11733 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11734 * rs6000.c (rs6000_legitimize_address): New function from
11735 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11736 symbols in the constant pool that really are TOC references.
11737 (print_operand_address): For ELF, write TOC offsets under
11738 -fPIC as subtractions in the insn.
11739 (output_toc): For ELF, define symbols in TOC as normal labels,
11741 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11742 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11743 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11744 * rs6000.md (movsi): Only use create_TOC_reference on
11745 symbols in the constant pool that really are TOC references.
11747 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11748 * rs6000.c (rs6000_reorg): Delete.
11749 * rs6000-protos.h (rs6000_reorg): Delete.
11751 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11753 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11755 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11756 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11757 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11758 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11759 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11760 rs6000_aix_emit_builtin_unwind_init.
11761 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11762 rs6000_emit_eh_toc_restore on AIX.
11763 (return_eh_si): Use r2.
11764 (return_eh_di): Use r2.
11766 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11767 since we're breaking binary compatibility anyway.
11769 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11771 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11772 constant_pool_expr_p): Declare them.
11773 (constant_pool_expr_p): Declare it.
11774 * config/rs6000/rs6000.c (toc_label_name): Define.
11775 (rs6000_override_options): Set toc_label_name.
11776 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11777 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11778 uses_TOC): New functions.
11779 (print_operand): Delete old '*' case.
11780 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11781 and strip off rtl for TOC before calling output_addr_const.
11782 (rs6000_emit_load_toc_table): Use toc_label_name.
11783 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11785 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11786 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11787 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11788 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11789 into explicit TOC_REGISTER offsets.
11790 (TOC_REGISTER): New macro.
11791 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11792 TARGET_TOC to reference TOC_REGISTER.
11793 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11794 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11795 uses_TOC before emitting label references.
11797 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11799 * rs6000.md (stack_tie): Fix warning.
11801 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11802 to handle -fleading-underscore.
11803 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11804 (USER_LABEL_PREFIX): New macro.
11805 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11806 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11807 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11808 call-linux can use the same multilibs.
11809 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11810 and call-linux multilibs. Do multilib with -fleading-underscore.
11811 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11812 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11815 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11816 have MASK_SOFT_FLOAT set.
11817 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11818 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11819 CPP_FLOAT_DEFAULT_SPEC.
11821 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11822 * rs6000.md: Whitespace change.
11823 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11824 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11826 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11828 * rs6000.md (eh_epilogue): New expander.
11829 (eh_reg_restore): New expand/split/insn combination.
11830 (return_eh_si): New insn.
11831 (return_eh_di): New insn.
11833 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11834 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11835 * eabi-ctors.c (__do_global_ctors): Register this object's
11836 frame. Clean up. Call atexit() after the constructors.
11837 (__do_global_dtors): Deregister this object's frame. Clean up.
11838 Allow for recursive calls to exit().
11839 * rs6000.c (fixuplabelno): New variable.
11840 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11841 TARGET_RELOCATABLE, it slows down exec() under linux.
11842 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11844 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11845 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11846 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11847 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11848 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11849 (ASM_OUTPUT_DWARF_ADDR): New macro.
11850 (ASM_OUTPUT_DWARF_DATA4): New macro.
11851 (ASM_OUTPUT_DWARF_DATA2): New macro.
11852 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11853 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11854 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11856 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11858 * rs6000.c (rs6000_sr_alias_set): New variable.
11859 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11860 (rs6000_emit_stack_tie): New function.
11861 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11862 in a way that dwarf2out can understand.
11863 (rs6000_frame_related): New function.
11864 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11865 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11866 Use rs6000_emit_stack_tie when needed.
11867 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11868 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11869 * rs6000.md (stack_tie): New insn.
11870 (return_internal_si): Allow return value to be in the count
11872 (return_internal_di): Likewise.
11874 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11876 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11878 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11880 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11882 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11884 * rs6000.md (stmw): Use the right POWER opcode.
11887 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11889 * rs6000-protos.h: New file.
11891 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11893 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11896 * sysv4.h: Likewise.
11898 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11900 * ../../configure.in: Delete powerpcle-*-winnt*
11901 and powerpcle-*-pe|powerpcle-*-cygwin*.
11902 * ../../configure: Regenerated.
11903 * cygwin.h: Delete.
11904 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11905 (TARGET_WINDOWS_NT): Delete.
11907 (CALL_NT_DLLIMPORT): Delete.
11908 Delete NT-specific code.
11909 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11910 * win-nt.h: Delete.
11912 * nt-ci.asm: Delete.
11913 * nt-cn.asm: Delete.
11914 * ntstack.asm: Delete.
11916 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11918 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11919 (ASM_FILE_START): Likewise.
11920 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11921 (ASM_OUTPUT_LABELREF): Likewise.
11922 (ASM_OUTPUT_SKIP): Likewise.
11923 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11924 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11925 (ASM_OUTPUT_CASE_LABEL): Likewise.
11926 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11927 (ASM_OUTPUT_ASCII): Likewise.
11929 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11931 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11932 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11933 increment rs6000_pic_labelno here.
11934 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11935 and increment rs6000_pic_labelno here.
11937 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11939 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11940 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11941 allocation knows (reg) is dead before the insn.
11943 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11945 * rs6000.md (movsi_to_cr): Correct typo in output template.
11947 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11949 * rs6000.c (rs6000_pic_labelno): Always define.
11950 (rs6000_pic_func_labelno): Delete.
11951 (lmw_operation): Check for a zero base register,
11952 which doesn't mean what we want.
11953 (stmw_operation): New function.
11954 (print_operand): Define new 'l' modifier.
11955 (rs6000_stack_info): We must save all 64 bits of the registers
11956 if TARGET_POWERPC64.
11957 (rs6000_output_load_toc_table): Delete.
11958 (rs6000_emit_load_toc_table): New function.
11959 (rs6000_allocate_stack_space): Delete.
11960 (rs6000_emit_allocate_stack): New function.
11961 (rs6000_emit_prologue): New function.
11962 (output_prolog): Use rs6000_emit_prologue.
11963 (rs6000_emit_epilogue): Change a few variable names to be
11964 more accurate. Restore all 64 bits of the registers if
11965 TARGET_POWERPC64. Only restore the FP registers which were used
11966 if they are being saved/restored one-at-a-time.
11967 (output_mi_thunk): Delete inefficient code generation.
11968 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11969 * rs6000.h: Declare rs6000_emit_load_toc_table,
11970 rs6000_allocate_stack_space, stmw_operation. Don't declare
11971 rs6000_output_load_toc_table.
11972 * rs6000.md (elf_high): Allow register 0, but discourage it
11974 (elf_low): Support loading into register 0.
11975 (load_toc_aix_si): New pattern.
11976 (load_toc_aix_di): New pattern.
11977 (load_toc_v4_pic_si): New pattern.
11978 (load_toc_v4_pic_di): New pattern.
11979 (load_toc_v4_PIC_1): New pattern.
11980 (load_toc_v4_PIC_1b): New pattern.
11981 (load_toc_v4_PIC_2): New pattern.
11982 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
11983 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
11984 (prologue): New expander.
11985 (movesi_from_cr): New pattern.
11986 (stmw): New pattern.
11987 (save_fpregs_si): New pattern.
11988 (save_fpregs_di): New pattern.
11990 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11992 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
11997 2000-01-19 Geoff Keating <geoffk@cygnus.com>
11999 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
12001 (movsi_got_internal): Likewise.
12002 (movsi_got_internal+1): Likewise.
12003 (set_sp): 'unspec 7' does a SImode clobber.
12005 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12007 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
12008 allocate a stack temporary.
12009 (floatsidf2_internal): Likewise.
12010 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
12012 (floatunssidf2): Don't use the fpmem "register", just
12013 allocate a stack temporary.
12014 (floatunssidf2_internal): Likewise.
12015 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
12017 (floatsidf2_loadaddr): Delete.
12018 (floatsidf2_store1): Delete.
12019 (floatsidf2_store2): Delete.
12020 (floatsidf2_load): Delete.
12021 (fix_truncdfsi2): Don't use the fpmem "register", just
12022 allocate a stack temporary.
12023 (fix_truncdfsi2_internal_si): Delete.
12024 (fix_truncdfsi2_internal_di): Delete.
12025 (fix_truncdfsi2_internal): New insn.
12026 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
12027 (fix_truncdfsi2_store): Delete.
12028 (fix_truncdfsi2_load): Delete.
12029 (fctiwz): Produce gen_fctiwz.
12031 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12033 * eabi.h (INVOKE__main): Define.
12034 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
12036 (rs6000_emit_prologue): Likewise.
12037 * rs6000.h (struct rs6000_stack): Don't keep track of whether
12038 this is the main program.
12040 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12042 * rs6000.c (rs6000_va_arg): Delete some unused variables.
12044 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12046 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
12047 goes after the argument.
12049 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12051 * rs6000.md: Document 'unspec' values used.
12052 (epilogue): New expander.
12053 (movesi_to_cr_one): New expander.
12054 (movesi_to_cr and following): New pattern.
12055 (lmw): New pattern.
12056 (return_internal_si): New pattern.
12057 (return_internal_di): New pattern.
12058 (return_and_restore_fpregs_si): New pattern.
12059 (return_and_restore_fpregs_di): New pattern.
12060 * rs6000.h: Declare new functions.
12061 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
12062 rather than rs6000_calls_p.
12063 (rs6000_makes_calls): Delete.
12064 (lmw_operation): New function.
12065 (mtcrf_operation): New function.
12066 (rs6000_emit_epilogue): New function.
12067 (output_epilog): Call rs6000_emit_epilogue and final if
12068 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
12070 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12072 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
12073 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
12074 * aix.h (SUBTARGET_SWITCHES): Document switches.
12075 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
12076 sched-prolog and sched-epilog the same. Document all the
12078 (TARGET_OPTIONS): No longer allow -mdebug-.
12080 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12082 * rs6000.h (ASM_FILE_END): Move to aix.h.
12083 (EXTRA_SECTIONS): Move to aix.h.
12084 (READONLY_DATA_SECTION): Move to aix.h.
12085 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
12086 (SELECT_SECTION): Move to aix.h.
12087 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
12088 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
12089 (LINK_REGISTER_REGNUM): New definition.
12090 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
12091 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
12093 * sysv4.h: Delete the code between the inclusion of rs6000.h
12095 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
12096 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
12097 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12098 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12099 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12100 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12101 (fix_truncdfsi2_internal_di): New pattern.
12102 (fix_truncdfsi2_store): The second arg here is Pmode too.
12103 (fix_truncdfsi2_load): The second arg here is Pmode too.
12104 (tablejumpdi): Now that switch tables hold only SImode values,
12105 gcc needs to know how to add them to the pc which is DImode.
12106 * rs6000.c (rs6000_stack_info): Use symbolic name for
12107 LINK_REGISTER_REGNUM.
12108 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12109 (output_toc): Delete unused variables s1 and s2.
12110 (output_ascii): Use fputs not fprintf on a variable string.
12112 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12114 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12115 * aix43.h: Revert Aug 2 change.
12116 (HAS_INIT_SECTION): Define, not visible yet.
12117 (LD_INIT_SWITCH): Define, not visible yet.
12118 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12120 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12122 * config/rs6000/rtems.h: Include config/rtems.h.
12124 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12126 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12127 (SLOW_UNALIGNED_ACCESS): Define.
12128 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12129 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12130 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12131 (toc_section): Likewise and .toc pseudo-op.
12132 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12134 (TEXT_SECTION_ASM_OP): Likewise.
12135 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12138 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12140 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12141 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12144 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12146 * rs6000.h: Move more stuff from here...
12148 * sysv4.h: Cleanup accordingly.
12149 * netware.h: Likewise
12151 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12153 * rs6000.h: Continue cleanup.
12155 * lynx.h: Likewise.
12156 * netware.h: Likewise.
12157 * sol2.h: Likewise.
12158 * sysv4.h: Likewise.
12159 * win-nt.h: Likewise.
12161 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12162 (TARGET_OPTIONS): Likewise.
12164 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12165 (SUBTARGET_OPTIONS): Likewise.
12167 * rs6000.md: Fix compile time warnings.
12169 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12171 vxworks patches from the Cygnus tree originally by
12172 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12173 <vmakarov@cygnus.com>.
12174 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12175 (ENDFILE_SPEC): Likewise.
12176 (LIB_VXWORKS_SPEC): New macro.
12177 (STARTFILE_VXWORKS_SPEC): New macro.
12178 (ENDFILE_VXWORKS_SPEC): New macro.
12179 (LINK_START_VXWORKS_SPEC): New macro.
12180 (LINK_OS_VXWORKS_SPEC): New macro.
12181 (CPP_OS_VXWORKS_SPEC): New macro.
12182 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12183 * vxppc.h: Rewrite to use proper configuration method.
12184 * vxppcle.h: New file.
12185 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12186 * ../../configure: Rebuilt.
12188 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12190 Lots of changes to rs6000.h, sysv4.h, aix.h,
12191 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12192 with the aim that rs6000.h is the first header
12193 included and the others override it.
12196 * x-aix41-gld: Remove.
12198 * x-aix41: Remove target-specific switches, and don't specify
12199 -Wl,-bbigtoc as we don't need it any more.
12200 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12201 Use t-aix43 for AIX 4.3 and above.
12202 * ../../configure: Regenerated.
12204 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12205 options, that don't do anything yet.
12206 (MASK_SCHED_PROLOG): New macro.
12207 (MASK_SCHED_EPILOG): New macro.
12208 (TARGET_SCHED_PROLOG): New macro.
12209 (TARGET_SCHED_EPILOG): New macro.
12211 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12213 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12214 one per translation unit, not one per function.
12215 (output_toc): Also do duplicate constant elimination
12216 for per-translation-unit TOCs.
12218 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12219 a comment explaining _exactly_ when this pattern gets used.
12220 (builtin_setjmp_receiver): New pattern for better clarity.
12221 (init_v4_pic): Move it into a section dealing with TOC registers.
12223 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12225 * rs6000.c (toc_hash_table): New variable.
12226 (rs6000_hash_constant): New function.
12227 (toc_hash_function): New function.
12228 (toc_hash_eq): New function.
12229 (toc_hash_mark_entry): New function.
12230 (toc_hash_mark_table): New function.
12231 (output_toc): Don't output duplicate TOC entries in
12233 (rs6000_add_gc_roots): Add the hash table as a GC root.
12234 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12235 where they clearly shouldn't be. This may need to be fixed
12236 later when there is a GNU ar for AIX.
12237 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12238 Don't define BOOT_LDFLAGS as it is now not necessary.
12240 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12242 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12243 for va_list on AIX. Use unsigned_char_type_node rather than
12244 constructing our own version on svr4.
12246 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12248 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12249 since patently it's not.
12251 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12253 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12254 define_expand/define_insn pair, and handle restore of the
12255 SVR4 -fpic register.
12257 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12259 * acconfig.h (HAVE_GAS_WEAK): New define.
12260 * configure.in (assembler weak support): Check for .weak support.
12261 * config.in, configure: Rebuilt.
12262 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12263 HAVE_GAS_WEAK is defined.
12265 2000-03-15 Nick Clifton <nickc@cygnus.com>
12267 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12270 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12272 * cppfiles.c (open_include_file): New function.
12273 (find_include_file, cpp_read_file): Use it.
12275 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12277 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12279 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12281 * flow.c (verify_flow_info): Check for unconditional return.
12283 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12285 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12286 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12287 (__ia64_restore_stack_nonlocal): New.
12288 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12290 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12292 * cpphash.c (collect_formal_parameters): Do not complain about
12293 parameter names that just start with `__VA_ARGS__'.
12295 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12297 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12298 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12299 * i386.c (pentiumpro_cost): Set mul cost to 4.
12300 (x86_use_movx): Set for PPro.
12302 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12304 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12305 STACK_BOUNDARY for empty frames now.
12307 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12309 * stor-layout.c (layout_union): Remove.
12310 (layout_union_field): New function, split out from layout_union.
12311 (finish_union_layout): Likewise.
12312 (layout_field): Handle unions by calling layout_union_field.
12313 (finish_record_layout): Handle unions.
12314 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12315 QUAL_UNION_TYPE handling.
12317 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12319 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12320 end of basic block is jump_insn, not barrier; use create_basic_block
12321 instead of creating basic block by hand.
12323 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12325 * flow.c (reorder_basic_blocks): Account for barriers when writing
12326 over NEXT_INSN (last_bb->end).
12327 (verify_flow_info): Add check for missing barriers.
12329 2000-03-14 Greg McGary <gkm@gnu.org>
12331 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12332 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12333 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12334 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12335 __unbounded, __unbounded__): New keywords.
12336 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12337 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12338 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12340 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12342 * cselib.h: New file.
12343 * alias.c: Include "cselib.h".
12344 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12345 MEMs as two new arguments.
12346 (get_addr): New static function.
12347 (find_base_term): Handle VALUEs.
12348 (memrefs_conflict_p): Likewise.
12349 (true_dependence): Call get_addr on the addresses.
12350 Call fixed_scalar_and_varying_struct_p with addresses that have been
12351 passed through get_addr and canon_rtx.
12352 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12353 with true_dependence.
12354 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12355 * loop.c: Include "cselib.h".
12356 (load_mems): Process extended basic block that enters the loop with
12357 cselib. Use that information to change initialization of the shadow
12358 register so that a constant equivalence is seen by later passes.
12359 * reload1.c: Include "cselib.h".
12360 (reload_cse_invalidate_regno): Delete function.
12361 (reload_cse_mem_conflict_p): Likewise.
12362 (reload_cse_invalidate_mem): Likewise.
12363 (reload_cse_invalidate_rtx): Likewise.
12364 (reload_cse_regno_equal_p): Likewise.
12365 (reload_cse_check_clobber): Likewise.
12366 (reload_cse_record_set): Likewise.
12367 (reg_values): Delete static variable.
12368 (invalidate_regno_rtx): Likewise.
12369 (reload_cse_delete_noop_set): New static function.
12370 (reload_cse_simplify): New static function, broken out of
12372 (reload_cse_noop_set_p): Delete unused argument INSN.
12373 Just call rtx_equal_for_cselib_p on set source and destination.
12374 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12375 reload_cse_delete_noop_set. Delete code to keep track of values; use
12376 cselib functions instead. Delete code to push/pop obstacks.
12377 (reload_cse_simplify_set): Use cselib to find equivalent values.
12378 Delete code to push/pop obstacks.
12379 (reload_cse_simplify_operands): Likewise.
12380 * rtl.def (VALUE): New rtx code.
12381 * rtl.h (union rtunion_def): New elt rt_cselib.
12382 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12383 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12384 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12385 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12386 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12387 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12388 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12389 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12390 cselib_record_set, cselib_record_sets): New static functions.
12391 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12392 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12393 references_value_p): New functions.
12394 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12395 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12396 n_useless_values, reg_values, callmem, cselib_obstack,
12397 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12398 New static variables.
12399 * varray.h (union varray_data_tag): New elt te.
12400 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12401 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12404 2000-03-14 Nick Clifton <nickc@cygnus.com>
12406 * gcc.c (do_spec_1): Catch the case where %* is used in a
12407 substitution pattern, but it has not been initialised.
12408 Issue a meaningful error message if an unrecognised operator
12409 is encountered in a spec string.
12411 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12413 * function.c (prepare_function_start): Correctly initialize
12414 cfun->stack_alignment_needed.
12416 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12418 * cppfiles.c (find_include_file): Don't assume nshort is a
12421 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12423 * configure.in (hppa configurations): Add pa32-regs.h to the
12424 list of tm files as appropriate.
12425 * configure: Rebuilt.
12426 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12427 register numbering.
12428 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12429 (fmpyaddoperands, fmpysuboperands): Likewise.
12430 * pa.h: Remove various definitions which depend on knowing
12431 how registers are numbered.
12432 * pa32-regs.h: New file with PA32 register numbering specific
12435 2000-03-14 Richard Henderson <rth@cygnus.com>
12437 * regmove.c (combine_stack_adjustments): New.
12438 (stack_memref_p, single_set_for_csa): New.
12439 (free_csa_memlist, record_one_stack_memref): New.
12440 (try_apply_stack_adjustment): New.
12441 (combine_stack_adjustments_for_block): New.
12442 * rtl.h (combine_stack_adjustments): Declare.
12443 * toplev.c (rest_of_compilation): Call it.
12445 * i386.md: Revert 2000-01-16 change.
12447 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12449 * gccbug.in: Add web category, gcc specific classes.
12451 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12453 * stor-layout.c (finalize_record_size): Fix typo.
12455 2000-03-14 Stan Shebs <shebs@apple.com>
12457 * c-typeck.c (c_alignof): Error on incomplete types.
12458 * extend.texi (Alignment): Document this.
12460 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12462 * cppfiles.c: Include mkdeps.h.
12463 (find_include_file, read_include_file): Remove _cpp_ prefix
12464 from name, make static.
12465 (_cpp_execute_include): New function, broken out of
12468 * cpplib.c: Don't include mkdeps.h.
12469 (struct directive): Remove type field. Reorder entries. The
12470 function takes only one argument.
12471 (struct if_stack): Make type field an int.
12472 (directive_table): Rename to dtable. Generate it, the
12473 prototypes of the directive handlers, and the enum for the
12474 directive numbers, from a template macro.
12475 (do_ifndef, do_include_next, do_import): New functions.
12476 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12477 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12478 do_ident, do_assert, do_unassert, do_sccs): Take only one
12480 (do_sccs): Define always, but alter behavior based on
12482 (_cpp_handle_directive, consider_directive_while_skipping):
12483 Restructure for new directive table layout.
12485 (pass_thru_directive): Take a directive number, not a pointer
12486 to a struct directive.
12487 (parse_include): New function, broken out of do_include.
12488 (do_include, do_import, do_include_next): Use parse_include
12489 and _cpp_execute_include.
12490 (do_elif, do_else): Test for T_ELSE specifically when checking
12491 for #elif/#else after #else.
12492 (parse_ifdef): New function, broken out of do_ifdef.
12493 (validate_else): Expect a name arg without a leading #.
12494 (if_directive_name): Delete.
12495 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12496 directive handlers with only one argument.
12498 * cpphash.h: Update prototypes.
12499 (enum node_type): Remove entries for directives.
12500 * Makefile.in: Update dependencies.
12502 * cpphash.c (dump_hash_helper): Only dump nodes of type
12503 T_MACRO. Emit a newline after each definition.
12505 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12507 * gccbug.in: New file.
12508 * configure.in (all_outputs): Add gccbug.
12509 * Makefile.in (install-common): Install gccbug.
12510 (GCCBUG_INSTALL_NAME): New variable.
12511 * configure: Rebuilt.
12513 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12515 * function.c (put_var_into_stack): Use type_for_mode to calculate
12516 part_type. Use MEM_SET_IN_STRUCT_P.
12517 * expr.c (store_field): Handle CONCAT.
12518 (store_constructor): Use fields_length.
12519 * tree.c (fields_length): New fn.
12520 * tree.h: Declare it.
12522 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12524 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12525 (cpplex.o): New target.
12526 * po/POTFILES.in: Add cpplex.c.
12528 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12529 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12530 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12531 skip_block_comment, skip_line_comment, skip_comment,
12532 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12533 _cpp_parse_name, skip_string, parse_string,
12534 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12535 _cpp_get_directive_token, find_position,
12536 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12537 (maybe_macroexpand, _cpp_lex_token): New functions.
12539 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12540 parse_goto_mark): Delete.
12541 (_cpp_handle_eof): New function.
12542 (_cpp_handle_directive): Rename from handle_directive.
12543 (_cpp_output_line_command): Rename from output_line_command.
12544 (do_if, do_elif): Call _cpp_parse_expr directly.
12545 * cppfiles.c (_cpp_read_include_file): Don't call
12546 init_input_buffer here.
12547 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12548 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12549 here; pop the token_buffer and skip the rest of the line here.
12550 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12553 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12555 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12556 CPP_GOTO_MARK): New macros.
12557 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12558 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12559 _cpp_read_and_prescan, _cpp_init_input_buffer,
12560 _cpp_grow_token_buffer, _cpp_get_directive_token,
12561 _cpp_handle_directive, _cpp_handle_eof,
12562 _cpp_output_line_command): Prototype them here.
12563 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12564 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12565 quote_string, output_line_command): Remove.
12567 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12569 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12570 whether it is too large we must also verify that it isn't negative.
12572 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12574 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12575 (movsi_zero_liveg0): Remove.
12576 (movsf_insn_novis_liveg0): Remove.
12578 (negsi2_not_liveg0): Rename to negsi2.
12579 (one_cmplsi2): Remove.
12580 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12581 (one_cmplsi2_liveg0): Remove.
12582 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12583 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12584 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12585 (PREDICATE_CODES): Remove zero_operand.
12586 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12587 TARGET_BROKEN_SAVERESTORE.
12588 (zero_operand): Remove.
12589 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12590 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12592 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12593 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12594 TARGET_BROKEN_SAVERESTORE): Remove.
12595 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12597 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12599 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12602 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12604 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12606 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12607 truncating a string. Don't assume tokens are nul terminated.
12608 Problem noted by Andreas Jaeger <aj@suse.de>
12610 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12612 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12613 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12614 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12616 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12618 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12619 STRUCTURE_SIZE_BOUNDARY.
12621 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12623 * tree.h (record_layout_info_s): New structure.
12624 (record_layout_info): New type.
12625 (new_record_layout_info): New function.
12626 (layout_field): Likewise.
12627 (finish_record_layout): Likewise.
12628 * stor-layout.c (layout_record): Remove.
12629 (new_record_layout_info): New function.
12630 (layout_field): New function, broken out from layout_record.
12631 (finalize_record_size): Likewise.
12632 (compute_record_mode): Likewise.
12633 (finalize_type_size): New function, broken out from layout_type.
12634 (finish_record_layout): Likewise.
12635 (layout_type): Use them.
12637 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12639 * cpphash.c: Don't include version.h.
12640 (special_symbol) [case T_VERSION]: Look for the string in
12641 hp->value.cpval; don't use version_string.
12642 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12643 __VERSION__ to version_string.
12644 * Makefile.in (cpphash.o): Update deps.
12646 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12648 Convert cpplib to use libiberty/hashtab.c.
12650 * cpplib.h (struct cpp_reader): Make hashtab and
12651 all_include_files of type 'struct htab *'. Delete HASHSIZE
12652 and ALL_INCLUDE_HASHSIZE macros.
12654 * cpphash.h: Update prototypes.
12655 (struct hashnode): Remove next, prev, and bucket_hdr members.
12656 Make length a size_t. Add hash member.
12657 (struct ihash): Remove next member. Add hash member. Make
12658 name a flexible array member.
12660 * cppfiles.c: Include hashtab.h.
12661 (include_hash): Delete.
12662 (IHASHSIZE): New macro.
12663 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12664 (cpp_included): Do the hash lookup here.
12665 (_cpp_find_include_file): Rewrite.
12666 (cpp_read_file): Put the "fake" hash entry into the hash
12667 table. Honor the control_macro, if it turns out we've seen
12668 the file before. Don't push the buffer here.
12669 (_cpp_read_include_file): Push the buffer here.
12670 (OMODES): New macro. Use it whenever we call open(2).
12672 * cpphash.c: Include hashtab.h.
12673 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12674 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12675 _cpp_lookup_slot): New functions.
12676 (HASHSIZE): new macro.
12677 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12678 (_cpp_lookup): Use hashtab.h routines.
12680 * cppinit.c: Include hashtab.h.
12681 (cpp_reader_init): Call _cpp_init_macro_hash and
12682 _cpp_init_include_hash. Don't allocate hashtab directly.
12683 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12684 pfile->all_include_files.
12685 (initialize_builtins): Use _cpp_make_hashnode and
12686 htab_find_slot to add hash entries.
12687 (cpp_finish): Just call _cpp_dump_macro_hash.
12688 * cpplib.c: Include hashtab.h.
12689 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12690 create hash entries.
12691 (do_pragma_poison, do_assert): Likewise.
12692 (do_include): Don't push the buffer here. Don't increment
12693 system_include_depth unless _cpp_read_include_file succeeds.
12694 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12695 or htab_remove_elt.
12696 (do_pragma_implementation): Use alloca to create copy.
12698 * Makefile.in: Update dependencies.
12700 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12702 * cppinit.c (cl_directive_handler): More K&R fixing.
12704 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12706 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12708 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12710 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12712 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12713 Change from char[] to macros.
12715 2000-03-12 Neil Booth <NeilB@earthling.net>
12717 * cppinit.c (cpp_start_read): Update indirect function
12720 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12722 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12725 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12726 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12728 2000-03-11 Neil Booth <NeilB@earthling.net>
12730 * cppinit.c (struct pending option): Replace undef with a
12731 pointer to a directive handling routine.
12732 (struct cpp_pending): Replace separate assert_ and define_
12733 lists with one directive_ list.
12734 (new_pending_define): Rename new_pending_directive. Extra
12735 argument is the directive's handling routine.
12736 (handle_option): Update to use new_pending_directive.
12738 2000-03-11 Neil Booth <NeilB@earthling.net>
12740 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12741 remap_filename, _cpp_read_include_file, actual_directory,
12742 hack_vms_include_specification): Replace bcopy(), index() etc
12743 calls. Add casts to some allocations. Make some variables
12744 pointers to const [unsigned] char.
12745 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12746 collect_formal_parameters): Similarly.
12747 * cppinit.c (struct pending_option, append_include_chain,
12748 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12749 cpp_start_read, new_pending_define, handle_option): Similarly.
12750 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12751 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12752 do_pragma_implementation, detect_if_not_defined,
12753 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12754 do_assert, do_unassert): Similarly.
12755 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12756 function prototypes.
12757 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12759 2000-03-10 Richard Henderson <rth@cygnus.com>
12761 * builtins.c (expand_builtin_strlen): Revert last change.
12762 Use emit_insn_before if we're at the beginning of a sequence.
12764 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12766 * builtins.c (expand_builtin_strlen): Make sure that we have something
12767 at the beginning of the sequence.
12769 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12772 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12774 2000-03-10 Richard Henderson <rth@cygnus.com>
12776 * except.c (can_throw): Use INTVAL on a CONST_INT.
12777 (reachable_handlers): Likewise.
12778 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12780 2000-03-10 Andreas Jaeger <aj@suse.de>
12782 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12783 MD_STARTFILE_PREFIX since those are not needed on linux.
12784 (ASM_FILE_START): New, from mips/gnu.h.
12786 2000-03-09 Richard Henderson <rth@cygnus.com>
12787 Alex Samuel <samuel@codesourcery.com> and others
12789 * Makefile.in (ssa.o): New rule.
12791 (STAGESTUFF): Add *.ssa and *.ussa.
12792 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12793 * rtl.def (PHI): New RTL expression.
12794 * rtl.h (clear_log_links): New declaration.
12795 (convert_to_ssa): Likewise.
12796 (convert_from_ssa): Likewise.
12797 * flow.c (split_edge): If the entry node falls through to the
12798 split edge's source block, split the entry edge.
12799 (clear_log_links): New function.
12800 * toplev.c (ssa_dump): New variable.
12801 (flag_ssa): Likewise.
12802 (f_options): Add "ssa".
12803 (compile_file): Create SSA dump files.
12804 (rest_of_compilation): Go to and from SSA if enabled.
12805 (decide_d_option): Handle -de for SSA dump files.
12808 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12810 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12813 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12815 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12817 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12819 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12820 (MD_STARTFILE_PREFIX_1): New macro.
12822 2000-03-09 Robert Lipe <robertl@sco.com>
12824 * config/ia64/ia64.c: Include system.h.
12826 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12828 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12829 (init_eh_nesting_info): Likewise.
12831 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12832 (TREE_NOTHROW): Rename from TREE_RAISES.
12833 * toplev.c (rest_of_compilation): Set it.
12834 * print-tree.c (print_node): Adjust.
12835 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12836 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12837 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12838 REG_EH_REGION note as appropriate.
12839 (libfunc_nothrow): New fn.
12840 (emit_library_call, emit_library_call_value): Use it.
12841 (expand_call): Check TREE_NOTHROW.
12843 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12844 DECL_ASSEMBLER_NAME.
12846 2000-03-09 Andreas Jaeger <aj@suse.de>
12848 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12849 (TARGET_MEM_FUNCTIONS): Define.
12851 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12853 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12855 * except.c (can_throw): See through a SEQUENCE.
12856 (nothrow_function_p): New fn.
12857 * except.h: Declare it.
12858 * function.c (current_function_nothrow): New var.
12859 (prepare_function_start): Initialize it.
12860 * output.h: Declare it.
12861 * toplev.c (rest_of_compilation): Set it.
12862 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12864 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12866 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12867 match. (cpp_compare_defs): Count the nul separator when
12868 advancing over argument names.
12870 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12872 * recog.c (preprocess_constraints): Matching constraints affect
12873 same alternative/different operand, not same operand/different
12876 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12877 register and a constant specially.
12879 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12881 * libgcc2.h: New file.
12882 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12884 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12886 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12887 * configure: Regenerate.
12888 * config/ia64: New.
12890 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12892 * Makefile.in (LIBCPP_DEPS): New macro.
12893 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12894 it to declare deps.
12895 * cpperror.c: Include cpphash.h.
12896 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12898 (lex): Don't use CPP_WARN_UNDEF.
12899 (_cpp_parse_expr): Return an int, the truth value.
12900 * cppfiles.c: Include cpphash.h.
12901 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12902 * cppinit.c (include_defaults_array): Disentangle.
12903 (cpp_cleanup): Don't free the if stack here.
12904 (cpp_finish): Pop off all buffers, not just one.
12905 * cpplib.c (eval_if_expr): Return int.
12906 (do_xifdef): Rename do_ifdef.
12907 (handle_directive): Don't use CPP_PREPROCESSED.
12908 (cpp_get_token): Don't use CPP_C89.
12909 * fix-header.c: Don't use CPP_OPTIONS.
12911 * cpplib.h: Move U_CHAR, enum node_type, struct
12912 file_name_list, struct ihash, is_idchar, is_idstart,
12913 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12914 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12915 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12916 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12917 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12918 of _cpp_simplify_pathname, _cpp_find_include_file,
12919 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12920 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12922 Change all uses of U_CHAR to be unsigned char instead.
12923 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12925 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12927 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12928 (dwarf2out_begin_prologue): Set it.
12929 (output_call_frame_info): Don't emit EH unwind info for leaves.
12931 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12932 can occur outside of an EH region.
12933 * except.c: Correct comments about rethrow behavior.
12934 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12936 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12938 * flow.c (make_edges): Always call make_eh_edge for calls.
12940 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12942 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12943 (struct cpp_buffer): Remove fname and underflow fields.
12944 (struct cpp_reader): Remove get_token field.
12945 (struct include_hash): Rename to struct ihash. Add typedef to
12947 (struct if_stack): Remove fname field.
12948 (IF_STACK_FRAME): Rename to IF_STACK.
12950 * cpperror.c (print_containing_files): Trust that there are no
12951 macro buffers below the top file buffer.
12952 * cppfiles.c: Replace all references to 'struct include_hash'
12953 with 'IHASH'. Rename initialize_input_buffer to
12954 init_input_buffer. Don't set or reference cpp_buffer->fname,
12955 use buffer->ihash->name instead.
12956 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12957 not CPP_NULL_BUFFER.
12958 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12959 IF_STACK_FRAME, IHASH not struct include_hash.
12960 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12961 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12962 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12963 references to cpp_buffer->fname (delete entirely, or use
12964 ->ihash->name instead) and IF_STACK->fname.
12965 (cpp_push_buffer): Don't set new->underflow.
12966 (do_include): Use cpp_file_buffer.
12968 * cpphash.c (collect_formal_parameters): Remove duplicate
12969 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12970 used as a macro argument name. Don't append "..." to namebuf
12971 for varargs macros. After we're done scanning, go through
12972 namebuf and make it NUL separated, not comma separated.
12973 (_cpp_compare_defs): Remove register tag from variables.
12974 Expect defn->argnames to be NUL separated.
12975 (_cpp_dump_definition): Expect defn->argnames to be NUL
12976 separated and in forward order.
12977 * cpphash.h: Update documentation of argnames field.
12979 2000-03-08 Richard Henderson <rth@cygnus.com>
12981 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
12982 to fail. Don't pre-expand the source operand.
12984 * i386.md (strlensi): Initialize eoschar and align before use.
12986 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12988 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
12989 CONSTRUCTOR element.
12991 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
12993 * mips.c (mips_expand_prologue): If the last
12994 named argument is the vararg marker "va_list", treat it as
12995 an unnamed argument.
12997 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
12999 * dbxout.c (dbxout_parms): When correcting for promoted
13000 big-endian parameters, use the mode of the DECL_RTL rather
13001 than UNITS_PER_WORD.
13003 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
13005 * c-common.h (make_fname_decl): Declare.
13006 * c-common.c (make_fname_decl): Define.
13007 (declare_hidden_char_array): Remove.
13008 (declare_function_name): Use make_fname_decl.
13009 * c-decl.c (c_make_fname_decl): New function.
13010 (init_decl_processing): Set make_fname_decl.
13012 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
13014 * cccp.c (handle_directive): Initialize backslash_newlines_p.
13016 2000-03-07 Philipp Thomas <pthomas@suse.de>
13018 * po/POTFILES.in: Remove cppalloc.c from file list.
13020 2000-03-07 Steve Chamberlain <sac@pobox.com>
13022 * pj.c (pj_expand_prologue): current_function->args_info is
13023 now current_function_args_info.
13025 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
13026 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
13027 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
13029 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13031 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
13032 output as hexadecimal rather than the default octal.
13034 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13036 * cpphash.c (special_symbol): Fix thinko in previous commit.
13038 2000-03-07 Neil Booth <NeilB@earthling.net>
13040 * cppexp.c (struct operation, left_shift, right_shift,
13041 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
13042 "int"s to "unsigned int"s.
13043 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
13045 * cpplib.h: Update for above.
13046 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
13047 returned from allocations.
13049 * cppinit.c (opt_comp, parse_options): New functions.
13050 (handle_option): Use parse_option to parse a single command
13051 line option, that possibly takes an argument.
13052 (cpp_handle_options): Sort the array of command line options on
13053 first invocation (non-ASCII hosts only).
13054 (print_help): Update.
13056 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13058 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
13059 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
13061 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
13063 * cppinit.c (cpp_cleanup): Free imp->nshort also.
13065 * cpperror.c (cpp_print_containing_files,
13066 cpp_print_file_and_line, v_cpp_message): Rename to
13067 print_containing_files, print_file_and_line, and v_message.
13068 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
13069 to _cpp_parse_expr, parse_escape, and lex.
13070 (parse_charconst): Remove broken multibyte support.
13071 * cppfiles.c (include_hash): Make static.
13072 (cpp_included): New function.
13073 (merge_include_chains, find_include_file, finclude,
13074 simplify_pathname): Rename to _cpp_merge_include_chains,
13075 _cpp_find_include_file, _cpp_read_include_file, and
13076 _cpp_simplify_pathname.
13077 * cpphash.c (cpp_lookup, free_definition, delete_macro,
13078 cpp_install, create_definition, macroexpand, compare_defs,
13079 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
13080 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
13081 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
13082 * cppinit.c (cpp_handle_option): Rename to handle_option, make
13084 * cpplib.c: Remove extern prototype of cpp_parse_expr.
13086 * cpphash.h: Update prototypes.
13087 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
13089 2000-03-07 Andrew Haley <aph@cygnus.com>
13091 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
13092 PTRDIFF_TYPE should be based solely on Pmode.
13093 (SIZE_TYPE): ditto.
13095 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13097 * rtl.h (rtunion_def): Constify member `rtstr'.
13098 (emit_line_note_after, emit_line_note, emit_line_note_force,
13099 emit_note, decode_asm_operands): Constify.
13101 * cse.c (canon_hash): Likewise.
13103 * dbxout.c (dbxout_block): Likewise.
13105 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13106 v_warning_for_asm): Likewise.
13108 * dwarfout.c (function_start_label): Likewise.
13110 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13111 emit_line_note_force): Likewise.
13113 * final.c (last_filename, asm_insn_count, final_scan_insn,
13114 output_source_line): Likewise.
13116 * function.h (struct emit_status): Likewise.
13118 * gcse.c (hash_expr_1): Likewise.
13120 * genattr.c (gen_attr, main): Likewise.
13122 * genattrtab.c (struct function_unit, current_alternative_string,
13123 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13124 attr_numeral, check_attr_test, check_attr_value,
13125 convert_set_attr_alternative, convert_set_attr,
13126 compute_alternative_mask, simplify_by_exploding, gen_attr,
13127 gen_unit): Likewise.
13129 * genflags.c (gen_insn): Likewise.
13131 * gengenrtl.c (type_from_format): Likewise.
13133 * genopinit.c (gen_insn): Likewise.
13135 * genoutput.c (n_occurrences, process_template, process_template):
13138 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13141 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13144 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13145 ggc_set_mark, ggc_get_size): Likewise.
13147 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13149 * optabs.c (init_one_libfunc): Likewise.
13151 * output.h (assemble_start_function): Likewise.
13153 * recog.c (decode_asm_operands): Likewise.
13155 * toplev.c (rest_of_compilation): Likewise.
13157 * tree.h (emit_line_note_after, emit_line_note,
13158 emit_line_note_force): Likewise.
13160 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13161 asm_emit_uninitialised, assemble_start_function,
13162 assemble_variable, const_hash, compare_constant_1,
13163 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13165 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13167 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13169 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13171 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13173 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13174 arm_dllimport_name_p): Likewise.
13176 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13179 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13181 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13183 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13184 arm_mark_dllexport, arm_mark_dllimport,
13185 arm_pe_encode_section_info): Likewise.
13187 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13188 ASM_FINISH_DECLARE_OBJECT): Likewise.
13190 * arm/thumb.c (thumb_function_prologue): Likewise.
13192 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13194 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13196 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13198 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13200 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13202 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13204 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13205 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13207 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13209 * i386/i386.c (asm_output_function_prefix): Likewise.
13211 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13213 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13215 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13217 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13218 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13219 ASM_OUTPUT_SECTION_NAME): Likewise.
13221 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13223 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13225 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13227 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13229 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13231 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13233 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13235 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13237 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13239 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13241 * mips/mips.md (movdi, movsi): Likewise.
13243 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13245 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13247 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13249 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13250 ASM_OUTPUT_ASCII): Likewise.
13252 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13253 output_mi_thunk, output_toc): Likewise.
13255 * rs6000/rs6000.md (movsi): Likewise.
13257 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13259 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13261 * v850/v850.c (print_operand, print_operand_address,
13262 v850_encode_data_area): Likewise.
13264 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13266 * config/mips/mips.md (zero_extendsidi2): Always force operand
13267 one to memory for mips16.
13269 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13271 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13272 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13273 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13274 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13275 (min_precision): Result is unsigned.
13276 (add_double, neg_double, mul_double): Low word is unsigned.
13277 (lshift_double, rshift_double, lrotate_double): Likewise.
13278 (rrotate_double, div_and_round_double): Likewise.
13279 (tree_floor_log2, compare_tree_int): New functions.
13280 (preserve_rtl_expr_temps): New declaration.
13281 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13282 (decl_attributes): Use tree_log2 to find alignment.
13283 Check for TREE_INT_CST_HIGH for format args.
13284 (min_precision): Now unsigned.
13285 Use tree_floor_log2.
13286 (truthvalue_conversion): Delete long-disabled code.
13287 * c-decl.c (finish_struct): Clean up tests on field width.
13288 (finish_function): Use compare_tree_int.
13289 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13290 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13291 (default_conversion, digest_init): Use compare_tree_int.
13292 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13293 Fix type errors in forming masks.
13294 * calls.c (initialize_argument_information): Use compare_tree_int.
13295 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13296 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13297 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13298 (store_field): Use compare_tree_int.
13299 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13300 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13301 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13302 (do_store_flag): Use compare_tree_int.
13303 * fold-const.c (encode, decode): Low part is always unsigned.
13304 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13305 (lshift_double, rshift_double, lrotate_double): Likewise.
13306 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13307 (fold_convert): Use compare_tree_int.
13308 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13309 (invert_truthvalue, case INTEGER_CST): Likewise.
13310 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13311 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13312 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13313 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13315 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13316 (expand_end_case): Use compare_tree_int.
13317 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13318 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13319 (layout_decl): Likewise.
13320 (layout_record, layout_union): Make sizes unsigned.
13321 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13322 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13323 * tree.c (struct type_hash): hashcode is unsigned.
13324 (build_type_attribute_variant, type_hash_list): Likewise.
13325 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13326 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13327 (build_complex_type): Likewise.
13328 (real_value_from_int_cst): Remove unneeded casts.
13329 (integer_all_onesp): Add casts.
13330 (tree_floor_log2, compare_tree_int): New functions.
13331 (build_index_type): Use tree_int_cst_sgn.
13332 * varasm.c (assemble_variable): Use compare_tree_int.
13334 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13336 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13338 * varasm.c (make_decl_rtl): Don't add a number to members of
13340 (make_function_rtl): Likewise.
13342 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13344 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13345 patch from 2000-01-28.
13347 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13349 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13350 filled with an insn from the jump target.
13352 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13354 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13355 (c4x_external_ref): Likewise.
13356 * config/c4x/c4x.c (struct name_list): Likewise.
13358 1999-12-16 Ben Collins <bcollins@debian.org>
13360 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13361 argument to genmultilib.
13362 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13363 the contents into the multilib.h header.
13364 * gcc.c: Declare multilib_exclusions for the specs file.
13365 (set_multilib_dir): Use it.
13366 (print_multilib_info): Likewise.
13367 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13368 to pass to genmultilib.
13370 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13372 * builtins.c (built_in_class_names, built_in_names): Constify a
13375 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13377 (_mcleanup): Ensure value matches format specifier in sprintf.
13379 * cpphash.c (special_symbol): Don't needlessly cast away
13382 * cppinit.c (base_name): Delete unused prototype.
13384 * mkdeps.c (deps_init): Make definition K&R safe.
13386 * tree.h (built_in_class_names, built_in_names): Constify a
13389 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13391 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13392 floating point instructions for epilogue delay.
13394 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13395 to gas if it supports .register pseudo.
13397 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13398 LONG_DOUBLE_TYPE_SIZE if not defined.
13399 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13400 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13401 * real.c: Likewise.
13402 * gengenrtl.c: Likewise.
13403 * print-rtl.c: Likewise.
13405 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13406 MASK_LONG_DOUBLE_128.
13407 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13408 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13409 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13410 (SUBTARGET_SWITCHES): Define.
13411 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13412 with -mlong-double-128.
13413 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13414 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13415 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13416 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13417 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13418 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13419 with -mlong-double-128.
13420 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13421 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13422 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13423 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13424 TARGET_LONG_DOUBLE_128): Define.
13425 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13426 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13427 long double on TARGET_ARCH64.
13429 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13431 * function.c (free_temps_for_rtl_expr): Don't free slots
13432 that have been pushed into a higher level.
13435 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13437 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13439 * basic-block.h (ALLOCA_REG_SET): Remove.
13440 (INITIALIZE_REG_SET): New macro.
13441 * flow.c (update_life_info): Use it.
13442 (calculate_global_regs_live): Likewise.
13443 (propagate_block): Likewise.
13444 * global.c (build_insn_chain): Likewise.
13445 * haifa-sched.c (schedule_region): Likewise.
13447 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13449 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13450 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13451 (DWARF_ARANGES_PAD_SIZE): New define.
13452 (output_aranges): Use it to pad the address range header.
13453 (DWARF_ROUND): Fix for non power of 2 rounding.
13455 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13457 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13459 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13461 * tree.def (RTL_EXPR): Update documentation.
13462 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13463 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13464 * function.c (preserve_rtl_expr_temp): New function.
13465 (preserve_rtl_expr_temps): Likewise.
13466 (preserve_rtl_expr_result): Use it.
13469 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13471 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13473 * regmove.c (copy_src_to_dest) Do not create src->dest move
13474 for unchanging destination.
13476 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13478 * function.h (struct sequence_stack): Remove rtl_expr.
13479 (struct emit_staus): Likewise.
13480 (seq_rtl_expr): Remove.
13481 * tree.h (free_temps_for_rtl_expr): Don't declare.
13482 (start_sequence_for_rtl_expr): Likewise.
13483 * rtl.h (preserve_rtl_expr_result): Likewise.
13484 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13485 (start_sequence_for_rtl_expr): Remove.
13486 (push_topmost_sequence): Don't save sequence_rtl_expr.
13487 (pop_topmost_sequence): Remove comment about not restoring it.
13488 (end_sequence): Don't set seq_rtl_expr.
13489 (init_emit): Don't initialize it.
13490 (mark_sequence_stack): Don't mark it.
13491 (mark_emit_status): Likewise.
13492 * except.c (protect_with_terminate): Use
13493 start_sequence_for_rtl_expr, not start_sequence.
13494 * expr.c (expand_expr, case RTL_EXPR): Don't call
13495 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13496 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13497 (preserve_rtl_expr_result): Remove.
13498 (free_temps_for_rtl_expr): Likewise.
13499 (pop_temp_slots): Likewise.
13500 (mark_temp_slot): Don't mark the rtl_expr.
13501 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13502 start_sequence_for_rtl_expr.
13504 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13506 * mkdeps.c, mkdeps.h: New files.
13507 * po/POTFILES.in: Add them.
13508 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13509 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13510 (mkdeps.o): New target.
13512 * cppfiles.c: Delete deps_output.
13513 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13514 OBJECT_SUFFIX, and base_name.
13515 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13517 (initialize_dependency_output): Use deps_init,
13518 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13519 all the unnecessary string bashing.
13520 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13522 * cpplib.c (do_include): Use deps_add_dep.
13523 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13524 deps_allocated_size, deps_size, deps_column members with
13525 single pointer to a struct deps. Delete prototype of
13528 * cppinit.c: Fix thinko in previous patch.
13530 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13532 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13533 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13534 (mode_for_size_tree): New function.
13535 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13536 * tree.h (mode_for_size_tree): New declaration.
13538 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13540 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13542 * stmt.c (is_body_block): Move...
13543 * dwarfout.c, dwarf2out.c: ...from here.
13544 * tree.h: Declare it.
13545 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13546 * final.c (final_start_function): Do call remove_unnecessary_notes
13549 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13551 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13553 * cpplib.h (_dollar_ok): New macro.
13554 (is_idchar, is_idstart): Use it.
13555 (IStable): Rename to _cpp_IStable. Declare it const if
13556 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13557 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13558 is_space): Update for renamed IStable.
13560 * cppinit.c: Delete all references to FAKE_CONST and CAT
13561 macros. Define init_IStable as empty macro if gcc >=2.7 or
13562 C99. Change TABLE() to ISTABLE and hardcode name of table.
13563 (cpp_start_read): Don't change the IStable based on
13566 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13567 changed. Handle '$' for char1 correctly.
13568 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13570 * cppexp.c (tokentab2): Make const.
13571 (cpp_lex): Make toktab const.
13572 * cppinit.c (include_defaults_array): Make const.
13573 (initialize_standard_includes): Make default_include const.
13575 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13577 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13578 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13579 (gen_decl_die): Likewise.
13580 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13581 (output_decl): Likewise.
13583 * varasm.c (make_function_rtl): If we change the name used in the
13584 rtl, update DECL_ASSEMBLER_NAME accordingly.
13585 (make_decl_rtl): Likewise.
13587 * toplev.c (rest_of_compilation): Tweak formatting.
13589 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13590 remove_unnecessary_notes.
13591 (debug_ignore_block): New fn.
13592 * toplev.h: Declare it.
13593 * emit-rtl.c (remove_unncessary_notes): Call it.
13594 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13595 * dwarf2out.h: Declare it.
13596 * final.c (final_start_function): Don't call remove_unnecessary_notes
13597 if we did insn scheduling.
13599 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13601 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13602 * cpplib.h: Delete SET_CPP_PEDANTIC.
13604 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13606 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13607 result is a RECORD_TYPE.
13609 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13611 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13613 2000-03-03 Richard Henderson <rth@cygnus.com>
13615 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13616 addition over compliments over shifts.
13618 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13620 * reload1.c (reload_combine_note_use): Handle return register USEs.
13621 REG case: Handle multi-hard-register hard regs.
13623 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13625 * md.texi: Document use of '*' in insn pattern name.
13627 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13629 * calls.c (special_function_p): operator new may not be malloc-like.
13631 * gcse.c (dump_hash_table): Really fix error in last change.
13633 2000-03-02 Denis Chertykov <denisc@overta.ru>
13635 * avr.c (print_operand): Use print_operand_address instead of
13637 * avr/libgcc.S: Cleanup code.
13639 2000-03-02 Richard Henderson <rth@cygnus.com>
13641 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13643 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13645 * tree.h (TYPE_ALIGN_UNIT): New macro.
13647 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13649 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13651 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13653 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13655 (SET_CPP_PEDANTIC): New macro.
13656 * cpplib.c (do_include): Don't bother checking system_header_p.
13657 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13658 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13660 * function.h (struct expr_status): Add x_arg_space_so_far.
13661 (arg_space_so_far): New macro.
13662 * expr.c (init_expr): Initialize it.
13663 * calls.c (emit_call_1): Reset it.
13664 (compute_argument_block_size, expand_call): Use it.
13665 (expand_call, store_one_arg): Increment it.
13667 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13669 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13672 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13674 * cppfiles.c (cpp_read_file): New function.
13676 * cpphash.c (collect_expansion): Make sure to reset last_token
13677 to NORM when we hit a string. Handle trailing whitespace
13678 properly when the expansion is empty.
13679 (create_definition): Disable line commands while parsing the
13681 (dump_definition): If pfile->lineno == 0, output a line
13682 command ahead of the dump, and add a trailing newline.
13684 * cppinit.c (append_include_chain): Add fifth argument, which
13685 indicates whether or not system headers are C++ aware.
13686 (initialize_standard_includes): New function,
13687 broken out of read_and_prescan. Pass 'cxx_aware' value from
13688 the include_defaults_array on to append_include_chain.
13689 (dump_special_to_buffer): Const-ify char array.
13690 (builtin_array): Don't dump __BASE_FILE__.
13691 (cpp_start_read): Use cpp_read_file. Reorder code for
13692 clarity. Don't output line commands here for -D/-A/-U
13693 switches. Don't call deps_output for files included with
13694 -include or -imacros.
13696 * cpplib.c (do_define): Don't pay any attention to the second
13698 (cpp_expand_to_buffer): Disable line commands while scanning.
13699 (output_line_command): Work in the file buffer.
13700 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13701 Fix formatting of comments. Prototype cpp_read_file.
13703 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13705 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13706 reference the language-equivalent of sizetype.
13707 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13708 * fold-const.c (size_binop, size_diffop): Put back checks.
13709 * gcse.c (dump_hash_table): Fix minor error in last change.
13710 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13711 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13714 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13716 * calls.c (expand_call) Do not attempt to combine stack adjustments
13717 with inhibit_defer_pop set.
13719 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13721 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13722 the DECL_SIZE for a FIELD_DECL.
13724 2000-03-01 Bruce Korb <bkorb@gnu.org>
13726 * fixinc/inclhack.tpl: remove unused symlinks
13727 * fixinc/README: GCC Maintainer info
13728 * fixinc/inclhack.sh: regen
13729 * fixinc/fixincl.sh: regen
13731 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13733 * cpphash.c (collect_expansion): Trim trailing white space
13734 from macro definitions, but don't go past the last insertion
13737 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13739 * i386.md (mulqi3): New pattern.
13741 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13743 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13745 (struct cpp_reader): Add parsing_if_directive and
13746 parsing_define_directive flags.
13747 (struct cpp_options): Remove output_conditionals flag.
13748 (check_macro_name): Delete prototype.
13750 * cpphash.h (struct macrodef): Delete.
13751 (struct reflist): Separate from struct definition.
13752 (struct definition): Remove unused fields. Add column number.
13753 (create_definition): Returns a DEFINITION *. Takes a
13754 cpp_reader * and an int.
13756 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13757 (PEEKC): Copy defn from cpplib.c.
13758 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13760 (struct arglist): Simplify.
13761 (collect_expansion): Rewrite. Get tokens by calling
13762 cpp_get_token. Add more error checking.
13763 (collect_formal_parameters): New function, broken out of
13764 create_definition and reworked to use get_directive_token.
13765 (create_definition): All real work is now in collect_expansion
13766 and collect_formal_parameters. do_define handles finding the
13767 macro name. Return a DEFINITION, not a MACRODEF.
13768 (macroexpand): Replace bcopy with memcpy throughout. Replace
13769 character-at-a-time copy loop with memcpy and pointer increments.
13770 (compare-defs): d1->argnames / d2->argnames might be null.
13772 * cpplib.c (copy_rest_of_line): Delete function.
13773 (skip_rest_of_line): Do all the work ourselves.
13774 (skip_string): New function.
13775 (parse_string): Use skip_string.
13776 (get_macro_name): New function.
13777 (check_macro_name): Delete.
13778 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13779 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13780 (handle_directive): ICE if we're called on a macro buffer.
13781 (do_define): Determine macro name and type (funlike/objlike)
13782 here. Expunge all uses of MACRODEF.
13783 (cpp_push_buffer): Set line_base to NULL.
13784 (do_undef, read_line_number): Don't worry about getting a POP token.
13785 (eval_if_expression): Set/reset parsing_if_directive around
13786 cpp_parse_expr. Don't clear only_seen_white.
13787 (skip_if_group): Remove output_conditionals logic. Use
13789 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13790 tokens under appropriate conditions.
13791 (cpp_unassert): Call do_unassert not do_assert. Oops.
13793 * cppexp.c (parse_defined): New function, break out of
13795 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13796 ourselves, with cpp_defined.
13797 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13799 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13800 * gcc.dg/strpaste-2.c: New.
13802 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13804 * fold-const.c (size_binop): Don't asert inputs are the same and
13805 have TYPE_IS_SIZETYPE set.
13806 (size_diffop): Likewise.
13808 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13810 * dwarfout.c (output_block): Output abstract blocks even if they
13811 don't have TREE_ASM_WRITTEN set.
13813 * calls.c (emit_library_call): Check for null REG.
13815 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13817 * c-decl.c (current_function_decl): Move to toplev.c.
13818 (init_decl_processing): Don't add current_function_decl as a ggc
13820 * dbxout.c (dbxout_symbol): Change return type to int.
13821 (dbxout_symbol_location, dbxout_syms): Likewise.
13822 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13823 any locals. Use current_function_func_begin_label if set.
13824 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13825 * dwarf2out.c (dwarf2out_begin_prologue): Set
13826 current_function_func_begin_label.
13827 * final.c (final_start_function): Reset it.
13828 * toplev.c (current_function_decl): Define it here.
13829 (current_function_func_begin_label): New variable.
13830 (main): Add both as ggc roots.
13831 * tree.h (current_function_func_begin_label): Declare.
13833 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13835 * gcse.c: Cleanups throughout: mostly white-space, but also
13836 some minor rearrangement of code.
13838 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13840 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13841 returns a PARALLEL. Use emit_group_load and use_group_regs
13843 (emit_library_call_value): Similarly.
13845 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13846 * pa/quadlib.asm: Remove.
13847 * pa/quadlib.c: New file.
13849 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13850 * configure: Rebuilt.
13852 2000-02-29 Philip Blundell <pb@futuretv.com>
13854 * config/arm/conix-elf.h: New file.
13855 * configure.in (arm*-*-conix*): New configuration.
13856 * configure: Regenerate.
13858 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13860 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13861 don't have TREE_ASM_WRITTEN set.
13863 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13865 * Eliminate DECL_FIELD_SIZE.
13866 * builtins.c (built_in_class_names, built_in_names): New variables.
13867 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13868 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13869 DECL_SIZE, not DECL_FIELD_SIZE.
13870 * print-tree.c (print_node): Remove code that prints extra blank
13871 lines in some cases.
13872 Properly handle inline and builtin function cases.
13873 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13874 * tree.h (built_in_class_named, built_in_names): New declarations.
13875 (union tree_decl): Rename internal unions to u1 and u2 and change
13876 some of their components.
13877 Add new field built_in_class.
13878 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13879 Reflect above changes.
13880 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13881 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13882 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13883 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13885 2000-02-28 Dmitri Makarov <dim@windriver.com>
13887 * extend.texi: Document ARM's support for long/short calls.
13889 * invoke.texi: Document ARM's -mlong-calls command line switch.
13891 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13892 (arm_encode_call_attribute): Add prototype.
13893 (arm_set_default_type_attribute): Add prototype.
13894 (arm_strip_name_encoding): Add prototype.
13896 * config/arm/arm.c (arm_init_cumulative_args): replace
13897 initialisation og 'long_calls' field with initialisation of
13898 'call_cookie' field.
13899 (enum arm_pragma_enum): New enum.
13900 (arm_pragma_long_calls): New static variable.
13901 (arm_process_pragma): Also process "#pragma long_calls_off".
13902 (arm_valid_type_attribute_p): Accept short_call attribute.
13903 (arm_comp_type_attributes): Check long/short call attributes.
13904 (arm_encode_call_attribute): New function: Encode long_call
13905 or short_call attribute in function name.
13906 (arm_set_default_type_attributes): New function: Assign
13907 default attributes to newly defined type.
13908 (current_file_function_operand): New function: Return true if
13909 the symbol is a function which has already been compiled.
13910 (arm_is_longcall_p): New function: Return true if the
13911 indicated function should be called via a long call.
13912 (arm_get_strip_length): New function. Returns number of
13913 prefix characters to be stripped from a function's name.
13914 (arm_strip_name_encoding): New function. Strip prefix characters
13915 from a function's name.
13917 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13918 with 'call_cookie'.
13919 (SHORT_CALL_FAG_CHAR): Define.
13920 (LONG_CALL_FAG_CHAR): Define.
13921 (ENCODED_SHORT_CALL_ATTR_P): Define.
13922 (ENCODED_LONG_CALL_ATTR_P): Define.
13923 (ARM_NAME_ENCODING_LENGTHS): Define.
13924 (STRIP_NAME_ENCODING): Define.
13925 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13926 (ARM_ENCODE_CALL_TYPE): Define.
13927 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13928 (ARM_DECLARE_FUNCTION_SIZE): Define.
13929 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13931 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13932 if a long call is needed.
13933 (call_value): Ditto.
13934 (call_symbol): Ditto.
13936 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13937 ARM_DECLARE_FUNCTION_SIZE.
13939 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13940 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13941 (ARM_STRIP_NAME_ENCODING): Undefine.
13942 (STRIP_NAME_ENCODING): Undefine.
13943 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13944 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13945 (ASM_OUTPUT_COMMON): Ditto.
13946 (ASM_DECLARE_OBJECT_NAME): Ditto.
13948 * config/arm/pe.c (arm_dllexport_name_p): Check for
13950 (arm_dllimport_name_p): Ditto.
13951 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13952 (arm_mark_dllimport): Ditto.
13954 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13956 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13958 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13960 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13962 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13964 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13965 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13966 NO_BUILTIN_WCHAR_TYPE is not defined.
13967 (CPP_WCHAR_TYPE): Delete.
13968 * cccp.c (main): Don't change wchar_type if cplusplus.
13969 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13971 2000-02-28 Nick Clifton <nickc@cygnus.com>
13973 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13975 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13977 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13978 (ASM_WEAKEN_LABEL): Define.
13980 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
13982 * expr.c (store_constructor): Do not emit USE.
13983 * rtl.h (stupid_life_analysis): Remove.
13985 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13987 * function.c (number_blocks): Reset next_block_index based on
13988 what debugging format is used, not what is defined.
13990 * lcm.c: Minor reformatting throughout.
13991 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
13993 * toplev.c (rest_of_compilation): Account for time in
13994 optimize_mode_switching.
13996 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
13997 if only marking labels.
13999 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
14001 * calls.c (expand_call): Attempt to combine stack adjustments with
14002 pending stack adjustments.
14004 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14006 * loop.c (reg_in_basic_block_p): Don't abort when falling through
14007 to the end of the function.
14009 2000-02-27 Mark Mitchell <mark@codesourcery.com>
14011 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
14013 * final.c (next_block_index): Remove.
14014 (max_block_depth): Likewise.
14015 (pending_blocks): Likewise.
14016 (init_final): Don't initialize them.
14017 (final_start_function): Don't set next_block_index. Set up
14019 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
14020 * function.h (number_blocks): New function.
14021 * function.c (get_block_vector): New function.
14022 (identify_blocks): Use it.
14023 (reorder_blocks): Set NOTE_BLOCK.
14024 (number_blocks): New function.
14025 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
14026 * tree.h (BLOCK_NUMBER): New macro.
14027 (tree_block): Add block_num field.
14028 * dbxout.c (next_block_number): Remove.
14029 (dbxout_init): Don't set it.
14030 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
14031 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
14033 * toplev.c (rest_of_compilation): Always call
14034 find_loop_tree_blocks. Fix indentation.
14035 * dwarf2out.c (next_block_number): Remove.
14036 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14037 to determine block numbers.
14038 (gen_inlined_subroutine_die): Likewise.
14039 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
14040 (decls_for_scope): Don't increment next_block_number.
14041 * dwarfout.c (next_block_number): Remove.
14042 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14043 to determine block numbers.
14044 (output_inlined_subroutine_die): Likewise.
14045 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
14046 (output_decls_for_scope): Don't increment next_block_number.
14047 * sdbout.c (next_block_number): Remove.
14048 (sdbout_block): Use BLOCK_NUMBER.
14049 (sdbout_begin_block): Simplify.
14050 * xcoffout.c (next_block_number): Remove.
14051 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
14052 (xcoffout_begin_block): Don't set next_block_number.
14053 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
14056 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14058 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
14059 (expand_builtin_strcpy): Pass correct type to size_binop.
14060 (expand_builtin_strcmp): Likewise.
14061 Clean up conditional structure.
14062 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
14063 (complete_array_type): Don't use size_binop for MAXINDEX.
14064 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
14065 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
14066 (c_alignof): Use size_one_node.
14067 (build_unary_op): Pass arg of proper type to size_binop.
14068 (really_start_incremental_init, push_init_level): Use sizetype for
14069 constructor{,_bit,_unfilled}_index.
14070 (pop_init_label, output_init_element): Likewise.
14071 (output_pending_init_elements, process_init_element): Likewise.
14072 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
14073 * expr.c (store_expr): Use size_int.
14074 (store_constructor): Use proper types for size_binop args.
14075 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
14076 (expand_expr_unaligned): Likewise.
14077 (string_contant): Return object of sizetype.
14078 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
14079 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
14080 (ARGS_SIZE_TREE): Pass proper types to size_binop.
14081 * fold-const.c (int_const_binop): Refine when size_int is called.
14082 (fold_convert): Likewise.
14083 (size_int_wide): Rework to take KIND as arg, only take low order
14084 bits, handle new sizetype_tab datatype, and chain entries in
14086 (size_int_type_wide): New function.
14087 (size_binop): Validate types of arguments.
14088 (ssize_binop): Deleted.
14089 (size_diffop): New function.
14090 (extract_muldiv): Only fold division into multiplication for sizetypes.
14091 * function.c (assign_parms): Use size_diffop and make sure
14092 VAR field is of ssizetype; also pass proper type to size_binop.
14093 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
14094 (round_down): Deleted from here.
14095 * store-layout.c (sizetype_tab): Now an array.
14096 (sizetype_set, early_root_list): New variables.
14097 (variable_size): Use size_one_node.
14098 (round_up): Pass proper type to size_binop.
14099 (round_down): Moved to here and corrected as above.
14100 (layout_record): Pass proper arg types to size_binop.
14101 (layout_type): Likewise.
14102 If sizetype_set is zero, record the type just laid out.
14103 (make_unsigned_type): Don't call set_sizetype;
14104 (make_signed_type): Likewise; also, call fixup_signed_type.
14105 (initialize_sizetypes): New function.
14106 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14107 set name of bitsizetype to "bit_size_type".
14108 Fix up type of sizes of all types made before call.
14109 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14110 * tree.c (fix_sizetype): Deleted.
14111 (build_common_tree_nodes): Call initialize_sizetypes.
14112 (build_common_tree_nodes_2): Don't call fix_sizetype.
14113 * tree.h (TYPE_IS_SIZETYPE): New macro.
14114 (initialize_sizetype): New declaration.
14115 (enum size_type_kind): New type.
14116 (struct sizetype_tab): Deleted.
14117 (sizetype_tab): Now array; adjust sizetype macros.
14118 (size_diffop, size_int_type_wide): New functions.
14119 (size_int_wide): Change number of args and type; access macros changed.
14120 (ssize_int, sbitsize_int): New macros.
14121 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14122 (ROUND_TYPE_SIZE_UNIT): New macro.
14124 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14126 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14128 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14130 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14131 Mark as possibly unused.
14133 * cse.c (cse_insn): Delete dead code involving tablejump.
14134 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14136 * Makefile.in (libcpp.a): Start by deleting it.
14138 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14140 * cpplib.h (enum file_change_code): Added rename_file.
14141 * cpplib.c (do_line): If a filename is given, set file_change to
14143 (output_line_command): If file_change is rename_file, always
14144 output a # directive with the file name.
14146 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14148 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14150 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14151 when copying a PARM_DECL or RESULT_DECL.
14153 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14155 * fix-header.c (recognized_function): Also fix prototypes for
14156 functions taking "void".
14158 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14160 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14161 looking at reg_reloaded_contents.
14163 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14165 * Makefile.in (STMP_FIXINC): New toggle.
14166 (LIBGCC2_DEPS): Delete all references.
14167 (stmp-headers): Delete target. All references either deleted
14168 or changed to stmp-int-headers.
14169 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14170 (LIBCPP_OBJS): Take out cppalloc.o.
14171 (cppalloc.o): Delete target.
14172 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14173 (gen-protos, fix-header): Link with libiberty.a.
14174 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14177 * configure.in: Remove refs to strerror.
14178 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14179 * system.h: Take out strerror stanza.
14181 * cpperror.c (my_strerror): Delete function.
14182 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14183 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14184 * cppalloc.c: Delete file.
14185 * gen-protos.c: Don't provide xrealloc.
14187 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14188 xstrerror throughout.
14190 2000-02-26 Bruce Korb <bkorb@gnu.org>
14192 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14193 match for DOS headers, too.
14194 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14196 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14198 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14199 is right for most ELF targets.
14200 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14201 Let the default file use %U properly.
14202 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14205 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14208 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14210 * toplev.c (documented_lang_options): Correct spelling error.
14211 (decode_d_option, decode_f_option, main): Likewise.
14213 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14215 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14216 to tell assembler it is permitted to expand large constants.
14218 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14220 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14221 (aux_info_suffix): Use.
14222 (SAVE_SUFFIX): New macro.
14223 (save_suffix): Use.
14224 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14225 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14226 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14228 * invoke.texi (Running Protoize): Update documentation.
14230 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14232 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14234 2000-02-25 John Wehle (john@feith.com)
14236 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14238 2000-02-25 Anthony Green <green@cygnus.com>
14240 * toplev.c (rest_of_compilation): Rebuild jump labels if
14241 combine_instructions has created a new direct jump.
14242 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14244 (combine_instructions): Call try_combine with new argument.
14245 Return non-null value when new direct jump instruction is created.
14246 * rtl.h: combine_instructions returns an int.
14248 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14250 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14251 jump when changing a computed jump into a jump to a known
14254 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14256 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14257 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14259 * i386.md (define_expand "clrstrsi"): Fix typo.
14261 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14263 * rtl.texi: Fix typo.
14265 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14267 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14268 UNITS_PER_WORD. Change caller initial_elimination_offset.
14269 (rounded_frame_size): Take into account that argument pushed has
14270 changed. Fix TARGET_ALIGN_DOUBLE problem.
14272 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14274 * haifa-sched.c (schedule_block): Explain the real reason
14275 we delete REG_SAVE_NOTEs on the first insn of a block.
14276 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14278 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14280 * input.h (push_srcloc): New function.
14281 (pop_srcloc): Likewise.
14282 * toplev.c (push_srcloc): Define it.
14283 (pop_srcloc): Likewise.
14285 2000-02-24 Richard Henderson <rth@cygnus.com>
14287 * flow.c (life_analysis): When collecting reg info, clear
14290 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14292 Fix bug exposed by reload.c no longer rounding the frame
14293 size to BIGGEST_ALIGNMENT:
14294 * sh.c (rounded_frame_size): New function.
14295 (sh_expand_prologue, sh_expand_epilogue): Use it.
14296 (initial_elimination_offset): Likewise.
14298 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14300 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14301 * sh-protos.h (sh_need_epilogue): Declare.
14302 * sh.c (sh_need_epilogue_known): New static variable.
14303 (sh_need_epilogue): New function.
14304 (function_epilogue): Clear need_epilogue_known.
14305 * sh.md (return): Split into expander / insn pattern.
14306 Make the expander conditional on ! sh_need_epilogue ().
14308 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14310 * machmode.h (get_mode_alignment): Declare.
14311 (GET_MODE_ALIGNMENT): Call it.
14312 * stor-layout.c (get_mode_alignment): New function. Make
14313 sure alignment is always power of 2.
14315 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14317 * i386.h: Remove useless definition of "I386" and misleading
14320 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14322 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14323 under which TREE_PERMANENT will be set.
14324 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14325 build1): Use TREE_SET_PERMANENT.
14326 * print-tree.c (print_node): Don't report value of
14327 TREE_PERMANENT if ggc_p is true.
14329 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14330 decide whether to give a type a new alias set.
14331 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14332 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14333 of value of 'obstack'.
14336 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14338 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14340 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14342 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14343 * cpplib.c (cpp_get_token): Produce them.
14344 * cppexp.c (cpp_lex): Handle them.
14346 2000-02-23 Nick Clifton <nickc@cygnus.com>
14348 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14349 comment tests on type attributes.
14351 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14353 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14354 conform to documentation.
14355 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14356 to check for special cases.
14357 * sh-protos.h (sh_loop_align): Declare.
14358 * sh.c (sh_loop_align): Define.
14360 2000-02-22 Andrew Haley <aph@cygnus.com>
14362 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14363 (SIZE_TYPE): Is 32 bits when using -mgp32.
14364 (PTRDIFF_TYPE): Ditto.
14366 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14368 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14370 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14372 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14373 BIGGEST_FIELD_ALIGNMENT a constant.
14375 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14377 * dwarf2out.c (output_line_info): Put the marker for the end of
14378 the line number info at the actual end.
14379 (gen_struct_or_union_type_die): Use decl_function_context
14380 to check for local classes.
14381 * dwarfout.c (output_type): Likewise.
14383 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14385 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14386 for arguments with a mode, but no type.
14387 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14388 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14389 * pa/long_double.h: New file.
14390 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14391 both have 128bit wide long doubles.
14392 * configure: Rebuilt.
14394 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14396 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14398 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14399 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14400 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14402 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14404 * integrate.c (compare_blocks, find_block): Likewise.
14406 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14408 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14410 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14411 expand_asm_operands): Likewise.
14413 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14415 * predict.c (estimate_probability): Added the pointer heuristic to
14416 the collection of static branch predictors.
14418 2000-02-21 Catherine Moore <clm@cygnus.com>
14420 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14421 * invoke.texi (-mfix7000): Document.
14423 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14425 * diagnostic.c (init_output_buffer): Make it possible to output at
14426 least 32 characters if we're given a too long prefix.
14428 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14430 * varasm.c (initializer_constant_valid_p): Call
14431 lang_expand_constant to simplify the constant.
14433 2000-02-20 Bruce Korb <bkorb@gnu.org>
14435 * fixinc/inclhack.def(stdio_va_list):
14436 typedef needs to be disabled.
14437 * fixinc/inclhack.sh: regen
14438 * fixinc/fixincl.x: regen
14440 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14442 * print-rtl.c (print_rtx): Don't print addresses when
14443 flag_dump_unnumbered.
14445 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14447 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14449 (sparc_va_arg, sparc_flat_output_function_prologue,
14450 sparc_flat_output_function_epilogue): Cast value to unsigned in
14452 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14454 * sparc.md: Add default case in switch.
14456 2000-02-19 Richard Henderson <rth@cygnus.com>
14458 * c-typeck.c (add_pending_init): Don't abort for multiple
14459 fields at the same offset.
14460 (pending_init_member): Test the correct member.
14462 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14464 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14466 (start_catch_handler) : Same.
14468 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14470 * Makefile.in: Have flow.o depend on $(EXPR_H)
14472 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14474 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14475 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14476 (finish_decl): Remove -Wlarger-than code from here.
14477 * flags.h (id_clash_len): Now int.
14478 (larger_than_size): Now HOST_WIDE_INT.
14479 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14480 Clean up checking to see if in table.
14481 (make_bit_field_ref): Remove extra parm to bitsize_int.
14482 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14483 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14484 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14485 and for computing size of decl.
14486 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14487 Move -Wlarger-than code to here.
14488 (layout_record): Remove extra arg to bitsize_int.
14489 Set TYPE_BINFO_SIZE_UNIT.
14490 (layout_union): Remove extra arg to bitsize_int.
14491 Use proper type for size of QUAL_UNION.
14492 (layout_type): Remove extra arg to bitsize_int.
14493 * toplev.c (id_clash_len): Now int.
14494 (larger_than_size): Now HOST_WIDE_INT.
14495 (decode_W_option): Clean up id-clash and larger-than- cases.
14496 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14497 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14498 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14499 (struct tree_decl): New field size_unit.
14500 (size_int_wide): No HIGH operand; NUMBER is now signed.
14501 (size_int_2): Deleted.
14502 (size_int, bitsize_int): Don't use it and rework args.
14503 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14505 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14507 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14509 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14511 * invoke.texi (Warning Options): Add an explanation of why
14512 you might want the -Wfloat-equal flag.
14514 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14516 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14517 * cppinit.c (new_pending_define): Add cast to avoid warning.
14518 * expmed.c (extract_bit_field): Likewise.
14519 * flow.c (enum reorder_skip_type): New type.
14520 (skip_insns_between_blcok): New it.
14521 Rework to avoid warning about possibly undefined variable.
14522 * function.c (assign_parms): Make thisparm_boundary unsigned.
14523 * genrecog.c (write_switch): Cast XWINT result to int.
14524 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14525 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14526 one for MIPS and one for Alpha.
14527 (get_tag, copy_object): Add casts to avoid warnings.
14528 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14529 * reload.c (find_reloads): Make TYPE enum reload_type.
14530 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14531 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14532 * varasm.c (compare_constant_1): Add cast to avoid warning.
14533 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14535 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14536 Cast switch operand of size to int.
14537 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14538 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14541 2000-02-18 Nick Clifton <nickc@cygnus.com>
14543 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14544 anything for an alignment of zero.
14546 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14547 anything for an alignment of zero.
14549 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14551 * gcc.texi (Bug Reporting): Refer to bugs.html.
14552 (Bug Lists): Likewise.
14553 * system.h (GCCBUGURL): New preprocessor define.
14554 * rtl.c (fancy_abort): Use it.
14555 * gcc.c (main): Likewise.
14557 2000-02-18 Richard Henderson <rth@cygnus.com>
14559 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14560 (life_analysis_1): Subsume into ...
14561 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14562 Use update_life_info for the relaxation.
14563 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14564 entry and regs_live_at_setjmp.
14565 (set_noop_p): Simplify.
14566 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14567 (record_volatile_insns): Split into ...
14568 (delete_noop_moves): ... here,
14569 (notice_stack_pointer_modification): ... here,
14570 (insn_dead_p): ... and here.
14571 (propagate_block): Don't query INSN_VOLATILE.
14572 (mark_used_regs): Mind !PROP_REG_INFO.
14573 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14574 not in life_analysis.
14576 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14578 * loop.c (canonicalize_condition): New function,
14579 broken out of get_condition.
14580 (get_condition): Use it.
14581 * expr.h (canonicalize_condition): Prototype it.
14583 * tree.h (tree_int_cst_msb): Declare.
14584 * tree.c (tree_int_cst_msb): New function.
14586 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14588 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14591 * invoke.texi (-fmessage-length=n): Document.
14593 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14595 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14597 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14599 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14600 after the prologue.
14602 2000-02-17 Nick Clifton <nickc@cygnus.com>
14604 * config/arm/thumb.c: Replace includes of system headers with
14605 #include "system.h".
14607 2000-02-16 Richard Henderson <rth@cygnus.com>
14609 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14610 Add crtbeginS.o and crtendS.o.
14611 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14612 (ENDFILE_SPEC): Use crtendS.o.
14613 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14615 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14616 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14617 shared and present.
14618 (__dso_handle): New variable.
14619 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14620 bias to __CTOR_END__.
14622 2000-02-16 Richard Henderson <rth@cygnus.com>
14624 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14626 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14628 * longlong.h (__clz_tab): Declare as static to match definition.
14630 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14632 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14633 (XREF_FILE_NAME): Define.
14635 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14636 (EH_FRAME_SECTION_ASM_OP): Define.
14637 (IDENT_ASM_OP): Define.
14638 (TEXT_SECTION_ASM_OP): Define.
14639 (CPP_SPEC): Define.
14640 (CTORS_SECTION_ASM_OP): Define.
14641 (CTOR_SECTION_FUNCTION): Use it.
14642 (DTORS_SECTION_ASM_OP): Define.
14643 (DTOR_SECTION_FUNCTION): Use it.
14645 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14647 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14650 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14651 debug_bb_n): New functions.
14652 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14653 * basic-block.h: Prototype new functions.
14655 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14657 * configure.in: Add support for avr target.
14658 * configure: Rebuilt.
14660 * invoke.texi: Add AVR invocation docs.
14661 * install.texi: Add information about AVR.
14662 * md.texi: Add AVR constraint letters description.
14663 * extend.texi: Add description for AVR specific attributes.
14665 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14667 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14669 2000-02-16 Nick Clifton <nickc@cygnus.com>
14671 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14672 (make_insn_raw): Move RTL check here.
14674 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14676 * version.c: Include gansidecl.h and version.h.
14678 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14680 * configure.in (gcc_version): When setting, narrow search to
14681 lines containing `version_string'.
14683 * Makefile.in (mainversion): Likewise.
14684 (GCC_H): New variable.
14685 (gcc.h): Delete target.
14686 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14687 (version.o): Depend on version.h.
14688 (dbxout.o): Don't depend on gcc.h.
14690 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14691 Michael Meissner <meissner@cygnus.com>
14693 * md.texi (Simple Constraints): Add item about whitespace.
14694 * genoutput.c (strip_whitespace): New.
14695 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14696 strip_whitespace for constraints.
14697 Test pointer using NULL, not 0.
14699 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14701 * cpplib.c (do_line): Pedwarn for #line > 32767.
14703 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14705 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14707 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14708 to default cpp spec.
14709 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14710 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14713 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14716 2000-02-15 Denis Chertykov <denisc@overta.ru>
14718 * configure.in: Add support for avr target.
14720 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14722 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14723 (sh_addr_diff_vec_mode): Don't declare.
14724 * sh.c (sh_addr_diff_vec_mode): Delete.
14726 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14728 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14730 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14732 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14733 (smulsi3_highpart_i): Name.
14734 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14735 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14736 (smulsi3_highpart, umulsi3_highpart): Likewise.
14738 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14739 correctly independent of endianness.
14740 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14741 confuse the optimizers.
14742 (mulsidi3+1, umulsidi3+1): New define_split.
14744 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14746 * config/sh/sh.md: Guard insn splits against illegal registers.
14747 * config/sh/sh.h: Correct comment about macros.
14749 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14750 Andrew MacLeod <amacleod@cygnus.com>
14752 * Makefile.in (lcm.o): Depend on insn-attr.h.
14753 * basic-block.h (optimize_mode_switching): Declare.
14754 * lcm.c (tm_p.h, insn-attr.h): #include.
14755 (seginfo, bb_info): New structs.
14756 (antic, transp, comp, delete, insert) : New file-scope static variables.
14757 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14758 (reg_becomes_live, optimize_mode_switching): Likewise.
14759 * tm.texi: Add description of mode switching macros.
14760 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14762 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14763 (fldi_ok, fpscr_set_from_mem): New prototypes.
14764 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14765 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14766 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14767 (sh_flag_remove_dead_before_cse): Remove declaration.
14768 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14769 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14770 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14771 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14772 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14773 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14774 (fldi_ok): New function.
14775 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14776 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14777 (emit_df_insn): Likewise.
14778 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14779 (sh_flag_remove_dead_before_cse): Delete.
14780 (get_free_reg, fpscr_set_from_mem): New functions.
14781 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14782 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14784 2000-02-15 Loren Rittle <ljrittle@acm.org>
14786 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14788 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14790 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14791 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14793 * cccp.c: Include version.h and/or don't declare `version_string'.
14794 * collect2.c: Likewise.
14795 * alpha.c: Likewise.
14796 * arm/aof.h: Likewise.
14797 * arm/coff.h: Likewise.
14798 * arm/elf.h: Likewise.
14799 * arm/pe.h: Likewise.
14800 * arm/tcoff.h: Likewise.
14801 * arm/telf.h: Likewise.
14802 * arm/tpe.h: Likewise.
14803 * arm/vxarm.h: Likewise.
14804 * convex/convex.c: Likewise.
14805 * i386/dgux.c: Likewise.
14806 * i386/sun386.h: Likewise.
14807 * m88k/m88k.c: Likewise.
14808 * mcore/mcore-pe.h: Likewise.
14809 * mips/mips.h: Likewise.
14810 * romp/romp.h: Likewise.
14811 * sh/sh.c: Likewise.
14812 * cpphash.c: Likewise.
14813 * cppinit.c: Likewise.
14814 * dwarf2out.c: Likewise.
14815 * dwarfout.c: Likewise.
14818 * mips-tfile.c: Likewise.
14819 * protoize.c: Likewise.
14820 * toplev.c: Likewise.
14821 * tree.h: Likewise.
14823 * version.c (version_string): Constify a char*.
14825 * version.h: New file.
14827 2000-02-14 Nick Clifton <nickc@cygnus.com>
14829 * configure.in: Add mcore-elf and mcore-pe targets.
14830 * configure: Regenerate.
14832 * NEWS: Add note that MCore port has been contributed.
14834 * invoke.texi: Document command line switches for MCore port.
14835 * install.texi: Add MCore to list of supported targets.
14837 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14839 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14840 then we will need to import the frame handling functions.
14841 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14842 to import the frames themselves.
14844 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14845 Jason Eckhardt <jle@cygnus.com>
14847 * basic_block.h: Added prototype for reorder_basic_blocks.
14848 * toplev.c: Changes to add -freorder-blocks and graph dump after
14849 block reordering is done.
14850 * flow.c (reorder_block_def): New structure for use during block
14852 (REORDER_BLOCK_*): New macros to access members of above structure.
14853 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14854 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14855 functions for block reordering.
14857 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14859 * gcc.texi (Passes): Fix typo.
14860 * md.texi (Standard Names): Ditto.
14861 * tm.texi (Storage Layout): Ditto.
14863 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14865 * cpplib.c (do_define): Only free the old definition if it
14868 2000-02-13 Neil Booth <NeilB@earthling.net>
14870 * cppfiles.c (read_and_prescan): When emitting deferred
14871 newlines, test speccase[] again instead of checking each
14872 possible whitespace character in turn. When we encounter \r,
14873 look behind for \n first, then ahead.
14875 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14877 * cse.c (cse_altered): New internal flag.
14878 (cse_insn): Set it if we changed an insn.
14879 (cse_main): Clear cse_altered before each basic block.
14880 Only garbage collect if cse_altered is true afterward.
14882 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14884 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14886 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14888 * combine.c (simplify_comparison): Fix typo.
14890 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14892 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14895 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14897 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14898 previously inserted node instead of root node. Caller changed.
14900 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14902 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14904 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14906 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14907 __dereg_frame_dtor): Add prototype argument.
14909 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14911 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14913 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14915 * gthr-vxworks.h (__gthread_once): Likewise.
14917 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14919 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14921 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14922 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14923 stack pointer in functions w/o saved registers, output LEAVE more often
14924 on TARGET_USE_LEAVE machines.
14926 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14928 * config/arm/arm.c (arm_init_cumulative_args); New function:
14929 Initlaise the CUMULATIE_ARGS strcuture for a function
14931 (arm_function_arg): New function: Determine where to place a
14932 function's argument. Also handles deciding the function's
14934 (current_file_function_operand): New function: Return true if
14935 the symbol is a function which has already been compiled.
14936 (arm_is_long_call_p): New function: Return true if the
14937 indicated function should be called via a long call.
14938 (arm_valid_type_attribute_p): New function: Return true if the
14939 attribute is a valid, arm specific, attribute.
14940 (arm_comp_type_attribute): New function: Return true if the
14941 two types have compatable, arm specific, attributes.
14943 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14945 (FUNCTION_ARG): Redefine to call arm_function_arg.
14946 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14948 (INIT_CUMULATIVE_ARGS): Redefine to call
14949 arm_init_cumulative_args.
14950 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14952 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14954 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14956 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14957 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14958 (COMP_TYPE_ATTRIBUTES): Define.
14960 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14961 if a long call is needed.
14962 (call_value): Call arm_is_long_call_p to decide if a long call
14964 (call_symbol): Call arm_is_long_call_p to decide if a long call
14967 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14969 2000-02-11 Denis Chertykov <denisc@overta.ru>
14971 * README.AVR: New file with information about the avr ports.
14972 * config/avr: New directory with avr port files.
14974 2000-02-11 Andreas Jaeger <aj@suse.de>
14976 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14978 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
14980 * cpphash.c: Fix formatting, update commentary.
14981 (dump_definition): Take three separate arguments instead of a
14982 MACRODEF structure argument.
14983 * cpphash.h: Update prototype of dump_definition.
14984 * cppinit.c (cpp_finish): Update call of dump_definition.
14986 * cpplib.c (do_define): Always create new hash entry with
14987 T_MACRO type. Remove redundant check for redefinition of
14988 poisoned identifier. Update call of dump_definition.
14989 (do_undef): Don't call check_macro_name. Rename sym_length to
14991 (do_error, do_warning): Don't use copy_rest_of_line or
14993 (do_warning): Don't use pedwarn for the actual warning,
14994 only the notice about its not being in the standard. (Fixes
14995 bug with #warning in system headers.)
14996 (do_ident): Stricter argument checking - accept only a single
14997 string after #ident. Also, macro-expand the line.
14998 (do_xifdef): Use cpp_defined. De-obfuscate.
15000 (do_pragma): Split out specific pragma handling to separate
15001 functions. Use get_directive_token. Update commentary. Do
15002 not pass on #pragma once or #pragma poison to the front end.
15003 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
15004 do_pragma_default): New.
15006 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
15008 * jump.c (jump_optimize_1): The first operand in a relational
15009 can be a CONST_INT.
15010 * optabs.c (emit_conditional_move): Handle relationals which
15011 have a known true/false result.
15013 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15015 * function.c (thread_prologue_and_epilogue_insns): Don't insert
15016 a RETURN insn into a block which already ends with a jump.
15018 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15020 * haifa-sched.c (BUF_LEN): Increase a lot.
15022 2000-02-11 Nick Clifton <nickc@cygnus.com>
15024 * configure.in: Add tm_p_file specification for thumb targets.
15025 * configure: Regenerate.
15027 * config/arm/thumb-protos.h: New file: Prototypes for exported
15028 functions defined in thumb.c.
15030 2000-02-11 Robert Lipe <robertl@sco.com>
15032 * Makefile.in (bootstrap-lean): Remove additional files.
15033 (bootstrap2-lean): Likewise.
15034 (VOL_FILES): List of files for above.
15036 2000-02-11 Nathan Sidwell <nathan@acm.org>
15038 * cpphash.c (special_symbol): Remove spurious argument to
15041 2000-02-11 Joel Sherrill (joel@OARcorp.com>
15043 * configure.in: (i*86-*-rtems*): Swapped elf and coff
15045 * configure: Rebuilt.
15047 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
15049 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
15051 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
15053 * pa.c, pa.h: Remove trigraph sequences within comments.
15055 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
15057 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
15059 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
15061 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
15063 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15065 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
15067 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15069 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
15070 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
15071 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
15072 (ASM_FILE_END): Use c4x_file_end.
15073 * config/c4x/c4x.c (c4x_global_label): New function.
15074 (c4x_external_ref, c4x_file_end): Likewise.
15076 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
15077 (c4x_external_ref, c4x_end_file): Likewise.
15079 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
15081 * cppexp.c: Don't include cpphash.h.
15082 (parse_charconst, cpp_lex): Use cpp_defined.
15083 (cpp_lex): Use get_directive_token throughout. Remove
15084 unnecessary cases from switch. Move assertion-handling code
15085 down to OTHER case.
15086 (cpp_parse_expr): If we see '+' or '-', check the context to
15087 determine if they are unary or binary operators. Streamline
15088 the jumps a bit. Do not call skip_rest_of_line.
15090 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
15091 static. Export get_directive_token. Update commentary.
15092 (cpp_defined): New function.
15093 (do_define): Remove reference to T_PCSTRING. Call
15094 free_definition to release memory for old definition, when
15095 redefining a macro.
15096 (eval_if_expression): Set only_seen_white to 0 before calling
15097 cpp_parse_expr. Call skip_rest_of_line after it returns.
15098 (cpp_read_check_assertion): Don't preserve a pointer into the
15099 token buffer across a call to cpp_get_token.
15101 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15102 * cppfiles.c (redundant_include_p): Use cpp_defined.
15103 * cpphash.c (free_definition): New function.
15104 (delete_macro): Use it. Update commentary.
15105 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15107 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15108 from enum node_type. Prototype cpp_defined and get_directive_token.
15109 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15111 * fix-header.c (check_macro_names): Use cpp_defined.
15112 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15113 the options structure.
15115 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15117 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15119 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15121 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15122 rather than die->die_tag.
15124 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15126 * combine.c (make_extraction, force_to_mode): Avoid warning on
15127 mixed-signedness conditionals.
15128 (make_field_assignment, nonzero_bits): Likewise.
15129 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15130 (store_split_bit_field, extract_split_bit_field): Likewise.
15131 (extract_fixed_bit_field, store_bit_field,
15132 * expr.c: Change alignment to be unsigned everywhere.
15133 (move_by_pieces, store_constructor_field, store_constructor):
15134 Alignment parm is unsigned.
15135 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15136 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15137 (do_compare_rtx_and_jump): Likewise.
15138 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15139 Compare align with GET_MODE_ALIGNMENT.
15140 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15141 (get_inner_reference): Likewise.
15142 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15143 (expand_assignment): Local vars for alignment now unsigned.
15144 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15145 (do_compare_and_jump): Likewise.
15146 (store_field): Call new function expr_align.
15147 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15148 Alignment arg now unsigned.
15149 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15150 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15151 (extract_bit_field): Likewise.
15152 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15153 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15154 (get_best_mode): Alignment arg is unsigned.
15155 * rtl.h (move_by_pieces): Likewise.
15156 * store-layout.c (maximum_field_alignment, set_alignment):
15158 (layout_decl): Alignment arg is now unsigned.
15159 Remove unneeded casts.
15160 (layout_record, layout_union, layout_type): Remove unneeded casts.
15161 Local alignment variables now unsigned.
15162 (get_best_mode): Alignment arg now unsigned.
15163 * tree.c (expr_align): New function.
15164 * tree.h (expr_align): Likewise.
15165 (maximum_field_alignment, set_alignment): Now unsigned.
15166 (get_inner_reference): Alignment argument is now pointer to unsigned.
15167 * varasm.c (assemble_variable): Add cast to eliminate warning.
15169 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15171 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15172 then store directly into op0.
15174 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15175 the CALL_INSN, and emit the note immediately after it.
15177 2000-02-10 Nick Clifton <nickc@cygnus.com>
15179 * config/arm/thumb.md (epilogue): Include a (return) in the
15180 generated insn, and emit it using emit_jump_insn not
15183 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15185 * function.c (assign_temp): Change zero-sized arrays to size 1.
15186 * integrate.c (expand_inline_function): Do not update
15187 stack_alignment_needed
15188 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15189 add some sanity checking, remove optimization for function with
15192 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15194 * flow.c (mark_regs_live_at_end): Delete unused variables.
15196 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15198 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15199 in macro FRAME_GROWS_DOWNWARD.
15201 * stmt.c (expand_end_bindings): Delete unused variable.
15203 * unroll.c (iteration_info): Mark parameter `loop' with
15206 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15208 * fixinc/server.c (load_data): Return NULL if the marker line is
15210 (run_shell): If load_data returns NULL, retry the command once, in
15213 * configure: Rebuilt.
15215 2000-02-09 Bruce Korb <bkorb@gnu.org>
15217 * gcc/fixincludes: ** DELETED **
15218 * gcc/fixcpp: ** DELETED **
15219 * gcc/fixinc-nt.sed: ** DELETED **
15220 * gcc/just-fixinc: ** DELETED **
15221 * gcc/Makefile.in: Removed out-dated commentary
15222 * gcc/configure.in: Removed fast-fixincludes disablement.
15223 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15225 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15226 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15229 2000-02-09 Richard Henderson <rth@cygnus.com>
15231 * jump.c (delete_insn): Don't delete user labels at -O0.
15233 2000-02-09 Robert Lipe <robertl@sco.com>
15235 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15236 Don't link with HOST_LIBS.
15238 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15240 * configure.in: Correct --help text for --with-dwarf2.
15241 Put tm-dwarf2.h after other tm files, if it's requested.
15242 * configure: Regenerate.
15243 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15246 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15248 * cpplib.h: Provide HASHNODE typedef and forward decl of
15249 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15250 DEFINITION, struct hashnode, struct macrodef, struct
15251 definition, scan_decls prototype, default defn of
15252 INCLUDE_LEN_FUDGE moved elsewhere.
15254 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15255 definition, and struct hashnode moved here. Remove the unused
15256 'predefined' field from struct definition. Replace the 'args'
15257 union with its sole member. All users updated (cpphash.c).
15258 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15259 multiple include guard.
15261 * cpphash.c (hashf): Make static; use better algorithm; drop
15262 HASHSIZE parameter; return an unsigned int.
15263 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15264 used. Calculate HASHSIZE modulus here.
15265 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15267 (create_definition): Drop PREDEFINITION parameter.
15268 * cpplib.c (do_define): Don't calculate a hash value here.
15269 Don't pass (keyword == NULL) to create_definition.
15271 * scan.h: Prototype scan_decls here.
15272 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15273 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15274 callers of cpp_lookup and cpp_install updated.
15276 * cpphash.c (macarg): Hoist all the flag diddling out of the
15278 (macroexpand): ... and out of the loop that calls macarg.
15279 Skip over the initial paren before macro arguments with
15280 cpp_get_non_space_token; point may be some distance before
15281 that paren. Abort if it's not there.
15283 * cpplib.c (parse_clear_mark): Delete function.
15284 (parse_set_mark, parse_goto_mark): Make static.
15285 (ACTIVE_MARK_P): New macro.
15286 (skip_block_comment, skip_line_comment): Do not bump the line
15287 if ACTIVE_MARK_P is true.
15288 (cpp_pop_buffer): The buffer to be popped may not have an
15290 (cpp_get_token): When looking for the initial paren before
15291 macro arguments, only set a mark in a file buffer, Always
15292 return to that mark before proceeding to call macroexpand or
15293 return a NAME token.
15295 * cpplib.h: Remove prototypes of parse_set_mark,
15296 parse_clear_mark, parse_goto_mark.
15297 (struct cpp_options): Rename 'put_out_comments' to
15298 'discard_comments' and invert its sense.
15299 * cppinit.c, cpphash.c, cpplib.c: All users of
15300 put_out_comments changed to use discard_comments, with
15303 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15305 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15306 the edge from a block that both jumps and falls through to the
15309 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15311 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15312 constant source address is legitimate.
15314 2000-02-09 Philip Blundell <pb@futuretv.com>
15316 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15319 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15321 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15323 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15325 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15326 ends with a newline and a NUL. Don't be so clever manipulating
15329 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15331 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15332 not to BIGGEST_ALIGNMENT.
15334 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15336 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15337 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15338 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15339 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15340 * frame.c (execute_cfa_insn): Handle
15341 DW_CFA_GNU_negative_offset_extended.
15343 2000-02-08 Richard Henderson <rth@cygnus.com>
15345 * flow.c (tidy_fallthru_edges): Split out from ...
15346 (delete_unreachable_blocks): ... here.
15347 (find_basic_blocks): Use it.
15349 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15351 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15353 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15355 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15356 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15357 (fix-header.o): Don't depend on cpphash.h.
15359 * scan.c (hashstr): New function.
15360 * scan.h: Prototype it.
15361 * fix-header.c: Don't include cpphash.h. Use hashstr.
15362 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15363 hashstr. Report hash table statistics. Add private
15364 definition of xrealloc.
15366 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15368 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15370 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15372 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15373 jumps with returns unless they are jumps to the fallthru block.
15375 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15377 * i386.md (addqi3_cc): Fix contraints.
15379 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15381 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15383 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15385 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15386 carriage return after a macro name.
15388 2000-02-07 Fred Fish <fnf@be.com>
15390 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15391 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15393 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15395 * cppfiles.c (deps_output): Count spacers in deps_column.
15397 2000-02-07 Neil Booth <NeilB@earthling.net>
15399 * cppinit.c (initialize_dependency_output): If there is no
15400 suffix, don't try to look for known suffixes. Use strrchr.
15401 (cpp_start_read): Remove duplicate initialization.
15403 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15405 * calls.c (compute_argument_block_size): New argument
15406 preferred_stack_boundary.
15407 (expand_call): update cfun->preferred_stack_boundary, update call of
15408 compute_argument_block_size
15409 (emit_library_call): Increate cfun->preferred_stack_boundary
15410 to PREFERRED_STACK_BOUNDARY
15411 (emit_library_call_value): Likewise.
15412 * explow.c (allocate_dynamic_stack_spave): Likewise.
15413 * function.c (prepare_function_start): Set
15414 cfun->preferred_stack_boundary
15415 * function.h (struct function): Add preferred_stack_boundary field.
15416 * integrate.c (expand_inline_function): Update
15417 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15418 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15419 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15421 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15423 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15424 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15425 cpp_pedwarn, cpp_pedwarn_with_line,
15426 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15427 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15428 v_cpp_error_with_line, v_cpp_warning_with_line,
15429 cpp_message_from_errno, cpp_perror_with_name): Delete.
15431 * cpperror.c (cpp_print_containing_files): Take starting
15432 buffer as argument.
15433 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15434 (v_cpp_message): Now called directly by all entry points.
15436 (cpp_pfatal_with_name, cpp_message): Delete.
15437 (cpp_notice_from_errno, cpp_ice): New functions.
15438 (cpp_notice): Is now for reporting error conditions, just
15439 without an associated file.
15440 (cpp_error, cpp_error_with_line): Don't do anything if
15441 opts->inhibit_errors is on.
15442 (cpp_pedwarn_with_file_and_line): Take column argument also.
15444 * cpplib.h: Update prototypes of exported functions.
15445 (struct cpp_options): Add inhibit_errors.
15447 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15448 non-error messages. Include intl.h.
15450 * cppinit.c, cppmain.c: Likewise. Also, use
15451 cpp_notice_from_errno instead of cpp_perror_with_name or
15452 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15454 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15455 report internal errors.
15457 * cpplib.c (do_define): Switch bcopy to memcpy.
15458 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15460 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15461 bail out early if we hit a line comment.
15463 2000-02-06 Richard Henderson <rth@cygnus.com>
15465 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15466 * basic-block.h: Declare them.
15467 * emit-rtl.h (active_insn_p): New.
15468 (next_active_insn, prev_active_insn): Use it.
15469 * rtl.h: Declare it.
15470 * function.c (emit_return_into_block): New.
15471 (thread_prologue_and_epilogue_insns): Insert return insns instead
15472 of epilogues when possible.
15473 * jump.c (jump_optimize_1): Remove code to insert a return insn
15474 on the fallthru to the exit block.
15476 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15477 and for non-empty stack frames.
15478 * i386.md (return): Expand to return-pop as needed.
15480 2000-02-06 Richard Henderson <rth@cygnus.com>
15482 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15483 constant to op1 for testing.
15485 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15487 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15488 (fixuns_truncqfqi2): Use it.
15490 2000-02-06 Richard Henderson <rth@cygnus.com>
15492 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15493 as a TYPE_LEA insn.
15495 * i386.md (widening and peepholes): Mask the constant instead of
15498 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15500 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15501 input pointer before possibly branching off to the backslash
15503 * cpphash.c (macroexpand): Correctly delete \r escapes when
15504 stringifying parameters.
15505 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15506 if we can; bail out early if we hit a line comment.
15507 (handle_directive): Treat '# 123' in an .S file just like
15508 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15509 Return 1 for '# not_a_directive'.
15510 (get_directive_token): Pop macro buffers here, so that
15511 cpp_get_token can't sneakily move past a newline.
15513 (cpp_get_token): goto randomchar if handle_directive returns 0.
15515 * cppalloc.c: Update copyright.
15516 * cpplib.c: Merge all the static function prototypes into one
15518 * cpplib.h: Remove #if 0 block.
15520 * cpperror.c: Remove #ifdef EMACS block.
15521 * cppmain.c: Likewise.
15522 * cpphash.c: Remove #if 0 blocks.
15523 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15524 * cpplib.c: Remove #if 0 blocks and code referencing
15525 pcp_inside_if or for_lint. Remove duplicate error message.
15526 Fix error messages for #else after #else or #elif. Reformat.
15527 Remove archaic TODO list.
15528 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15530 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15532 * i386/osf1elf.h: Add missing backslash to multiline string.
15534 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15536 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15538 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15540 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15542 * c-common.c: Include expr.h.
15544 * c-pragma.c (mark_align_stack): Add prototype.
15546 * caller-save.c (add_stored_regs): Likewise.
15548 * combine.c (record_promoted_value): Likewise.
15550 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15553 * cppinit.c (new_pending_define): Likewise.
15555 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15557 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15558 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15559 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15560 class_scope_p): Likewise.
15562 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15563 dwarf2out_add_library_unit_info): Likewise.
15565 * ggc.h (ggc_page_print_statistics): Likewise.
15567 * haifa-sched.c (propagate_deps): Likewise.
15569 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15571 * rtl.h (set_stack_check_libfunc): Likewise.
15573 * toplev.h (set_fatal_function): Likewise.
15575 * toplev.c (set_fatal_function): Delete prototype.
15577 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15579 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15581 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15582 (FUNC_END): Likewise.
15584 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15586 * caller-save.c: Include tm_p.h.
15588 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15590 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15592 2000-02-04 Neil Booth <NeilB@earthling.net>
15594 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15597 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15599 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15600 * genflags.c: Use the max_operand_1 logic from genemit.c to
15601 calculate how many arguments gen_insn prototypes have. Remove
15602 NO_MD_PROTOTYPES ifdefs from the generated file.
15603 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15604 file. Cast gen_insn initializers to insn_gen_fn.
15605 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15606 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15608 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15610 * fixinc/Makefile.in (HDR): Add machname.h.
15613 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15615 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15616 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15617 (c4x_cpu_version): Ditto.
15618 * config/c4x/c4x-protos.h: ... here.
15620 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15622 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15623 gen_abstract_function on our context if we're a nested function.
15625 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15627 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15628 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15630 2000-02-04 Bruce Korb <bkorb@gnu.org>
15632 * fixinc/genfixes(machname.h):
15633 Move the functionality from gen-machine.h into this file.
15634 UNdef MN_NAME_PAT if there are no names to change.
15635 Also, be a little kinder when AutoGen is not present.
15637 * fixinc/Makefile.in(machname.h):
15638 Change the generation rule to use genfixes.
15640 * fixinc/fixfixes.c(machine_name):
15641 machine_name_fix's functionality now dependent upon whether
15642 MN_NAME_PAT is defined.
15644 * fixinc/fixtests.c(machine_name):
15647 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15650 * fixinc/fixlib.h(mn_get_regexps):
15653 * fixinc/gen-machine.h: DELETED
15655 2000-02-04 Jan Hubicka <jh@suse.cz>
15656 Richard Henderson <rth@cygnus.com>
15658 * i386.c (SAVE_REGS_FIRST): Remove.
15659 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15660 (ix86_compute_frame_size): Likewise.
15661 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15662 (ix86_emit_restore_regs): Remove.
15663 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15664 when a frame pointer is in use.
15665 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15666 instead of pop to restore a register when profitable; emit leave
15668 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15669 as a TYPE_LEA insn.
15670 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15671 * i386.md (prologue_allocate_stack): Remove.
15672 (epilogue_deallocate_stack): Remove.
15673 (pro_epilogue_adjust_stack): New.
15675 2000-02-04 Richard Henderson <rth@cygnus.com>
15677 * function.c (diddle_return_value): Rework to use a callback function.
15678 Use current_function_return_rtx if it's been set up.
15679 (do_clobber_return_reg, clobber_return_register): New.
15680 (do_use_return_reg, use_return_register): New.
15681 (expand_function_end): Use them.
15682 * stmt.c (expand_null_return): Likewise.
15683 * function.h: Declare them.
15684 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15685 (mark_reg): Change arguments as appropriate for callback.
15686 * integrate.c (expand_inline_function): Revert 19 Jan change.
15688 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15690 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15691 (Misc): Say the scheduler, not the Haifa scheduler.
15693 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15695 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15696 when in_mem is set. Update all callers.
15698 2000-02-04 Richard Henderson <rth@cygnus.com>
15700 * i386/openbsd.h (INT_ASM_OP): Define.
15702 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15704 * tm.texi: Fix various typos.
15706 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15708 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15709 (MD_STARTFILE_PREFIX_1): New macro.
15711 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15713 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15714 destination when needed.
15715 (strmovsi, strsetsi): New expander.
15716 (strmovsi_1, strsetsi_1): New pattern.
15717 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15718 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15719 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15720 * invoke.texi (align-stringops, inline-all-stringops): Document.
15722 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15724 * i386/netbsd.h (INT_ASM_OP): Define.
15726 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15728 * cpplib.h (cpp_reader): Add new flag, no_directives.
15729 * cpphash.c (macarg): Set it.
15730 * cpplib.c (handle_directive): If no_directives is on and we
15731 find a directive, issue an error and discard the line.
15733 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15735 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15736 FP constants. Add ! TARGET_FPU check for FP constants.
15738 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15740 * flow.c (find_basic_blocks): Don't kill label_value_list
15742 (cleanup_cfg): Kill it here.
15744 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15746 * expr.c (store_field): Ensure ALIGN is no stricter than the
15749 2000-02-02 Richard Henderson <rth@cygnus.com>
15751 * jump.c (delete_insn): Partially revert 19 Jan change;
15752 don't convert unused code labels to notes at -O0.
15754 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15756 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15757 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15759 2000-02-01 Richard Henderson <rth@cygnus.com>
15761 * i386.c (general_no_elim_operand): New.
15762 (nonmemory_no_elim_operand): New.
15763 (ix86_expand_move): Copy eliminable operands before a push.
15764 * i386-protos.h: Declare new functions.
15765 * i386.h (CAN_ELIMINATE): Simplify.
15766 (PREDICATE_CODES): Update.
15767 * i386.md (push insns): Don't allow eliminable register operands.
15769 2000-02-01 Richard Henderson <rth@cygnus.com>
15771 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15772 replace BLKmode with DECL_RTL's mode.
15774 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15776 * frame.c (find_fde): Convert for loop to do-while so compiler
15777 sees it's always executed at least once.
15778 * libgcc2.c (BBINBUFSIZE): Kill.
15779 (__bb_init_prg): Use fgets.
15780 (__bb_exit_trace_func): Don't paste strings.
15781 * unroll.c (unroll_loop): Initialize unroll_type, not
15782 unroll_number, and tweak logic to match.
15784 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15786 (ix86_flags_dependant): Likewise. Disentangle control flow.
15787 (ix86_sched_reorder): Break guts out to
15788 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15789 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15792 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15793 use string concatenation. Don't save and restore esi.
15795 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15796 (machname.h): Remove script to separate file. Use two-step
15797 sequence so target is not created if script fails.
15798 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15799 identifiers are defined.
15800 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15801 an empty string, machine_name doesn't need to do anything at
15803 (is_cxx_header): Add more cases to regexp.
15804 * fixinc/fixlib.h: Update prototype.
15805 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15807 * fixinc/fixincl.c: Define NO_BOGOSITY.
15809 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15810 (hp_sysfile): Add missing comma.
15811 (math_exception): Put the wrapper ifdefs at the beginning and
15812 the end of the file.
15813 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15815 2000-02-01 Richard Henderson <rth@cygnus.com>
15817 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15818 Use CONST0_RTX. Update all callers.
15819 * sparc.h, sparc-protos.h: Update accordingly.
15820 * sparc.md (fp mov insns): Use fp_zero_operand directly
15823 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15825 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15828 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15830 * Makefile.in (specs.ready): New target.
15831 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15833 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15835 * fixinc.irix: Use unique filenames for writing into /tmp,
15836 * fixinc.ptx: Likewise.
15837 * fixinc.sco: Likewise.
15838 * fixinc.svr4: Likewise.
15839 * fixinc.winnt: Likewise.
15841 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15843 * tsystem.h: New file.
15845 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15846 s-crtS): Depend on tsystem.h.
15848 * crtstuff.c: Include tsystem.h.
15849 * frame.c: Likewise.
15850 * libgcc2.c: Likewise.
15852 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15854 * builtins.c (expand_builtin_memset): Expand for variable sized
15857 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15859 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15862 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15864 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15866 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15868 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15870 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15871 case 3->2 combining (combining with splitting) in which 2 is CC0
15872 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15873 checked at the begining of the function with the aid of calling
15874 function 'can_combine_p'.
15876 2000-01-31 Dave Brolley <brolley@redhat.com>
15878 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15880 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15882 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15885 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15887 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15889 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15892 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15894 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15895 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15896 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15897 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15898 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15899 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15900 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15901 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15902 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15903 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15905 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15906 Add %(cpp_cpu) to CPP_SPEC.
15908 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15909 Add %(cc1_cpu) to CC1_SPEC.
15911 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15913 * c-decl.c (c_decode_option): Accept optional numeric argument to
15914 -Wformat and set warn_format.
15915 * c-common.c: Don't emit warning about non-constant printf format
15916 string unless warn_format > 1.
15918 2000-01-30 Richard Henderson <rth@cygnus.com>
15920 * alpha.md (return_internal): Allow after reload only.
15922 2000-01-30 Richard Henderson <rth@cygnus.com>
15924 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15925 local frame size is zero.
15927 2000-01-30 Richard Henderson <rth@cygnus.com>
15929 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15930 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15931 * alpha.md (return): Turn into an expander.
15932 (return_internal): Don't use $26.
15933 (epilogue): Emit the return insn.
15935 2000-01-30 Richard Henderson <rth@cygnus.com>
15937 * alpha.md (negtf2, abstf2): Fix word order thinko.
15938 (extendsftf2): New.
15939 (trunctfsf2): Avoid intermediate rounding errors.
15941 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15943 * cppfiles.c (find_position): Drop 'colp' argument, return the
15945 (read_and_prescan): Adjust to match. Don't ever manipulate
15946 line or line_base except via find_position.
15948 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15950 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15951 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15954 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15956 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15957 just print "<command line>". If 'filename' is null or an
15958 empty string, print "<stdin>" for the filename.
15959 * cpplib.c (do_define): Don't print the 'location of the
15960 previous definition' message if we're still parsing the
15962 (cpp_pedwarn_with_file_and_line): Always call
15963 cpp_file_line_for_message.
15965 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15967 * flow.c (mark_regs_live_at_end): Fix typo.
15969 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15971 * c-common.c: Adjust variable names, comments, help strings to c99.
15972 * c-lex.c: Likewise.
15973 * c-parse.y: Likewise.
15974 * c-tree.h: Likewise.
15975 * cccp.c: Likewise.
15976 * cpplib.h: Likewise.
15977 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15978 * cppinit.c: Likewise.
15980 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15982 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
15983 * c4x.c: Define the optab rtx values.
15984 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
15985 (c4x_emit_libcall): Use new optab rtx values.
15986 (c4x_emit_libcall3): Likewise.
15987 (c4x_emit_libcall_mulhi): Likewise.
15988 * c4x-protos.h: Add prototypes for optab rtx values and change
15989 prototypes for above c4x_emit_libcall functions.
15991 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15993 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
15995 (c4x_function_prologue): Use regnames intead of float_reg_names when
15997 (c4x_function_epilogue): Likewise.
15998 (c4x_print_operand): Likewise.
15999 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
16000 * c4x.md (set_high): Disable for TARGET_TI.
16002 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16004 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
16005 of framepointer + constant to ADDR_REGS class.
16006 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
16007 * c4x.c (std_or_reg_operand): New function.
16008 * c4x-protos.h (std_or_reg_operand): Prototype it.
16010 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16012 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
16013 object names as libgcc2.c.
16014 * libgcc.S: Use newly defined names.
16016 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
16017 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
16019 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
16020 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
16021 (FLOW_LOOP_LAST_BLOCK): Likewise.
16023 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16025 * basic-block.h (struct loop): New fields 'first' and 'last'.
16026 * flow.c (flow_loops_find): Compute loop->first and loop->last.
16027 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
16028 and loop->last to check for NOTE_INSN_LOOP_END.
16030 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
16032 * predict.c (estimate_probability): Use the new FIRST and LAST fields
16033 of the loop descriptor rather than HEADER and LATCH. Also added
16034 missing break statements as well making some coding style modifications
16035 as suggested by Michael Hayes.
16037 2000-01-28 Richard Henderson <rth@cygnus.com>
16039 * flow.c (find_basic_blocks): Remove do_cleanup argument.
16040 Break out that code ...
16041 (cleanup_cfg): ... here.
16042 (commit_one_edge_insertion): Detect a return instruction being
16043 emitted to an edge. Emit a barrier following; clear fallthru.
16044 (commit_edge_insertions): Verify CFG consistency.
16045 * function.c (expand_function_start): Kill unused variable.
16046 (expand_function_end): Likewise.
16047 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
16048 to insert the epilogue.
16050 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
16051 (delete_null_pointer_checks): Likewise.
16052 * output.h: Likewise.
16053 * reg-stack.c (reg_to_stack): Likewise.
16054 * toplev.c (rest_of_compilation): Likewise. Run
16055 thread_prologue_and_epilogue_insns after rebuilding the CFG.
16057 2000-01-28 Richard Henderson <rth@cygnus.com>
16059 * Makefile.in (flow.o): Revert 24 Jan change.
16060 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
16061 FUNCTION_VALUE result to DECL_RESULT's mode.
16063 * haifa-sched.c (schedule_insns): Don't recompute reg info
16066 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
16068 * configure.in: Make --enable-cpplib the default.
16069 * configure: Regenerate.
16070 * gcc.dg/990119-1.c: No longer expected to fail.
16072 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
16074 * jump.c (jump_optimize_1): Delete an optimization that is also done
16075 by merge_blocks in flow.
16077 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16079 * diagnostic.c (build_message_string, output_printf,
16080 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
16081 (build_location_prefix): Fix non-literal format string.
16083 2000-01-27 Richard Henderson <rth@cygnus.com>
16085 * alpha.md (trunctfsf2): New.
16087 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
16089 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
16091 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16093 * cppinit.c (cpp_handle_option): Recognize C++ comments under
16095 * cpplib.c (skip_block_comment, skip_line_comment): Split code
16097 (skip_comment) ... here. Permit C++ comments in system
16098 headers always. Warn about C++ comments in user code under
16099 -std=gnu89 -pedantic.
16100 (copy_comment): Use skip_comment.
16101 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16103 (consider_directive_while_skipping, do_else, do_endif): Call
16104 validate_else unconditionally.
16105 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16106 text after the conditional in a system header.
16107 * cpplib.h (struct cpp_buffer): Add flag
16108 warned_cplusplus_comments.
16110 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16112 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16113 Use unshare_all_rtl_1.
16114 (unshare_all_rtl_again): New function.
16115 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16117 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16118 rather than resetting the 'used' flags ourself.
16120 * toplev.c (rest_of_compilation): Add current_function_decl
16121 to the unshare_all_rtl call.
16122 * tree.h: Prototype unshare_all_rtl.
16123 * rtl.h: Prototype unshare_all_rtl_again here.
16125 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16127 * genoutput.c (output_prologue): Include ggc.h in generated
16129 * Makefile.in (insn-output.o): Depends on ggc.h.
16131 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16132 Hans-Peter Nilsson <hp@bitrange.com>
16134 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16135 Remove redundant include of xm-ns32k.h.
16136 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16137 Remove redundant include of xm-ns32k.h.
16138 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16139 Remove redundant include of xm-ns32k.h.
16140 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16142 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16143 (TARGET_SWITCHES): Add documentation strings.
16144 (DWARF_FRAME_REGNUM): Override default definition.
16145 (REG_CLASS_CONTENTS): Add comments.
16146 (SUBSET_P): Format to reduce line length.
16147 (SMALL_REGISTER_CLASSES): Make a run time option.
16148 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16149 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16150 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16151 (regclass_map): fix typo in comment.
16152 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16153 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16154 (trace, reg_or_mem_operand): Delete, unused function.
16155 (calc_address_cost): Small offsets are cheaper than large ones.
16156 (expand_block_move): Generate more efficient code when bytes is a
16157 known at compile time.
16158 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16159 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16160 instead of reg_or_mem_operand.
16162 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16163 not general_operand. Similarly use "=rm" or stricter, not "=g".
16164 For input operands, use stricter constraints than "g" if not
16165 general_operand. Similarly use stricter predicate than
16166 "general_operand" when stricter constraints than "g" are present,
16167 except for matching constraints.
16168 (movstrsi): Use "memory_operand" for operands 0 and 1.
16169 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16170 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16171 not reg_or_mem_operand.
16172 (udivmoddisi4): Ditto.
16173 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16174 Use nonimmediate_operand for operand 3, not register_operand.
16175 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16176 reg_or_mem_operand.
16178 2000-01-27 Fred Fish <fnf@be.com>
16180 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16181 * gthr-single.h: Likewise.
16182 * gthr-solaris.h: Likewise.
16183 * gthr-vxworks.h: Likewise.
16184 * gthr-win32.h: Likewise.
16185 * gthr.h: Likewise.
16187 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16189 * cppinit.c: Add " (cpplib)" to end of string printed by
16192 2000-01-27 Richard Henderson <rth@cygnus.com>
16194 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16195 testing for a signed comparison.
16196 (alpha_emit_floatuns): New.
16197 * alpha-protos.h: Declare it.
16198 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16199 (extendsfdf2): Tidy.
16201 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16203 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16204 no -g option specifying debugging format, default to -gstabs+.
16206 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16208 * calls.c (special_function_p): New argument fork_or_exec.
16209 (expand_call): When profile_arc_flag is set and the function
16210 is in the fork_or_exec group, call __bb_fork_func first.
16211 * libgcc2.c, _bb module (__bb_fork_func): New function.
16212 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16214 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16215 * tree.h (special_function_p): Update prototype.
16217 2000-01-26 Richard Henderson <rth@cygnus.com>
16219 * alpha.c (alpha_split_tfmode_pair): New.
16220 * alpha-protos.h: Declare it.
16221 * alpha.md (abstf2, negtf2): New.
16222 (movtf insn): Add input G constraint.
16223 (movtf splitter): Use alpha_split_tfmode_pair.
16225 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16227 * i386/cygwin.h: PROTO -> PARAMS.
16229 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16231 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16232 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16233 using _Qp_cmp/_Q_cmp and testing the return value.
16234 (print_operand): Call reverse_condition_maybe_unordered if
16235 we are handling CCFPmode or CCFPEmode.
16236 Handle ORDERED, UN* and LTGT comparisons.
16237 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16238 if not TARGET_HARD_QUAD.
16239 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16240 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16241 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16242 Adjust gen_b* calls so that they reflect return comparison of
16243 sparc_emit_float_lib_cmp.
16245 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16247 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16248 incoming operands array is large enough for one more operand.
16249 (alpha_emit_xfloating_arith): Likewise.
16251 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16253 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16254 file with one line and no trailing newline.
16255 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16256 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16257 checking if the match is on the line.
16258 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16260 2000-01-25 Richard Henderson <rth@cygnus.com>
16262 * sparc.c (output_cbranch): Fix accidental squashing of the
16263 fp branch pre-delay nop.
16265 2000-01-25 Richard Henderson <rth@cygnus.com>
16267 * tree.def (UNNE_EXPR): Remove.
16268 * c-typeck.c (build_binary_op): Don't handle it.
16269 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16271 * rtl.def (UNNE): Remove.
16273 * jump.c (reverse_condition): Update accordingly.
16274 (swap_condition): Likewise.
16275 (comparison_dominates_p): Handle unordered comparisons.
16276 (reverse_condition_maybe_unordered): New.
16277 * rtl.h (reverse_condition_maybe_unordered): Declare.
16279 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16280 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16281 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16282 * sparc.md (bltgt): New.
16284 2000-01-25 Nick Clifton <nickc@redhat.com>
16286 * emit-rtl.c (emit_insn): Only check machine class insns for
16287 improper emission of a RETURN.
16289 2000-01-25 Richard Henderson <rth@cygnus.com>
16291 * Makefile.in (flow.o): Depend on $(EXPR_H).
16292 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16293 duplicate the structure of diddle_return_value for keeping regs live.
16295 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16297 * loop.c (current_loop_info): Delete.
16298 (consec_sets_invariant_p): Add loop argument, update callers.
16299 (get_condition_for_loop): Likewise.
16300 (count_nonfixed_reads, update_giv_derive): Likewise.
16301 (simplify_giv_expr, general_induction_var): Likewise.
16302 (consec_sets_giv, recombine_givs): Likewise.
16303 (move_movables): Delete loop_start and loop_end arguments,
16304 add loop argument, and update callers.
16305 (find_mem_givs, check_final_value): Likewise.
16306 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16307 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16309 (basic_induction_var): Add loop argument, delete loop_level argument,
16310 and update callers.
16311 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16312 add loop argument, and update callers.
16313 (find_splittable_regs, find_splittable_givs): Likewise.
16314 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16315 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16316 (biv_total_increment): Delete loop_start and loop_end arguments;
16318 (precondition_loop_p): Delete loop_start and loop_info arguments;
16320 * loop.h (get_condition_for_loop): Add loop argument.
16321 (biv_total_increment): Delete loop_start and loop_end arguments.
16322 (precondition_loop_p): Delete loop_start and loop_info arguments;
16324 (final_biv_value): Delete loop_start and loop_end arguments;
16326 (final_giv_value, back_branch_in_range_p): Likewise.
16328 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16330 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16332 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16334 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16335 point to the new "generated_files" doc.
16337 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16339 * config/fp-bit.c (_unord_f2): Fix typo.
16341 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16343 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16344 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16345 functions obsoleted by GC, such as push_obstacks_nochange,
16346 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16347 and code which existed only to decide whether or not to call
16348 them. Remove now-unused NESTED argument from start_function;
16349 all callers changed. Do not change behavior based on ggc_p.
16350 The use of the ixp_obstack in c-iterate.c and the util_obstack
16351 in objc/objc-act.c remain; these are not obsoleted by garbage
16353 * c-tree.h: Update prototype for start_function.
16355 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16357 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16359 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16362 2000-01-25 Richard Henderson <rth@cygnus.com>
16364 * sparc-protos.h (select_cc_mode): Declare.
16365 * sparc.c (select_cc_mode): New. Handle unordered compares.
16366 (output_cbranch): Always reverse via code change. Handle
16367 unordered compares. Factor tests and string updates.
16368 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16369 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16370 * sparc.md (bunordered, bordered): New.
16371 (bungt, bunlt, buneq, bunge, bunle): New.
16373 2000-01-25 Richard Henderson <rth@cygnus.com>
16375 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16376 * ggc-common.c (ggc_add_rtx_varray_root): New.
16377 (ggc_mark_rtx_varray): New.
16378 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16379 functions down below ggc_mark_foo.
16380 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16382 2000-01-25 Richard Henderson <rth@cygnus.com>
16384 * alpha.c (secondary_reload_class): Don't allocate a secondary
16385 for integral mode memories into FLOAT_REGS. Rearrange the more
16386 complicated memory expression inward.
16388 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16390 * inclhack.def: Fixes to play nicer with FreeBSD, and
16391 corrections to comments.
16392 (cxx_unready): Add select expression.
16393 (irix_sockaddr): Add bypass expression.
16394 (machine_ansi_h_va_list): New fix.
16395 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16396 Split out addition of "#include <stdarg.h>" to...
16397 (stdio_stdarg_h): ... here.
16398 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16399 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16400 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16402 (ultrix_ifdef): Tighten up select expression.
16404 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16405 re_ct and max_mach to avoid use of shell. Make printed names
16406 match names in inclhack.def. Use static copyright date.
16407 Don't count c_test and test expressions as requiring regex_t
16408 slots. Add some commentary.
16409 * inclhack.tpl: Do not include the 'This script contains N
16410 fixup scripts' line if PROGRAM is defined. Use static
16413 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16415 * dwarf2out.c: include "varray.h", not dyn-string.h.
16416 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16417 (addr_const_to_string, addr_to_string): Lose.
16418 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16419 (struct dw_val_struct): val_addr is now an rtx.
16420 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16421 (used_rtx_varray): New varray.
16422 (dwarf2out_init): Initialize it.
16423 (save_rtx): New fn.
16424 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16426 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16427 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16428 * Makefile.in (dwarf2out.o): Update dependencies.
16430 2000-01-24 Richard Henderson <rth@cygnus.com>
16432 * i386.c (i386_dwarf_output_addr_const): New.
16433 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16435 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16437 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16438 * i386.c (i386_simplify_dwarf_addr): New.
16439 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16441 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16443 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16444 TYPE_STUB_DECL is NULL.
16446 2000-01-24 Richard Henderson <rth@cygnus.com>
16448 * builtins.c (expand_tree_builtin): Move ...
16449 * c-common.c (expand_tree_builtin): ... here.
16451 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16453 * loop.h (LOOP_INFO): New accessor macro.
16454 * basic-block.h (struct loop): Rename field `info' to `aux'.
16455 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16456 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16457 * unroll.c (loop_iterations, unroll_loop): Likewise.
16459 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16461 * config/i386/t-cygwin: Accomodate new winsup directory layout
16462 when searching for include files.
16464 2000-01-24 Richard Henderson <rth@cygnus.com>
16466 * rtl.def: Add unordered fp comparisions.
16467 * tree.def: Likewise.
16468 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16470 * builtins.c (expand_tree_builtin): New function.
16471 * c-typeck.c (build_function_call): Use it.
16472 (build_binary_op): Support unordered compares.
16473 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16475 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16476 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16477 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16478 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16479 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16481 (swap_condition): Handle unordered compares.
16482 (thread_jumps): Check can_reverse before reversing.
16483 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16486 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16487 setcc is present before acking for cmp_optab. Update all callers.
16488 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16489 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16490 * expr.c (expand_expr): Likewise. Support unordered compares.
16491 (do_jump, do_store_flag): Likewise.
16492 * expr.h (enum libfunc_index): Add unordered compares.
16494 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16495 (DPBIT_FUNCS): Add _unord_df.
16496 * config/fp-bit.c (_unord_f2): New.
16497 * fp-test.c (main): Try unordered compare builtins.
16499 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16500 * alpha.c (alpha_comparison_operator): Check mode properly.
16501 (alpha_swapped_comparison_operator): Likewise.
16502 (signed_comparison_operator): Likewise.
16503 (alpha_fp_comparison_operator): New.
16504 (alpha_emit_conditional_branch): Handle unordered compares.
16505 * alpha.h (PREDICATE_CODES): Update.
16506 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16507 (bunordered, bordered): New.
16509 2000-01-24 Richard Henderson <rth@cygnus.com>
16511 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16512 * alpha.md (movtf): New expander, insn, and splitter.
16514 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16516 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16519 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16521 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16522 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16523 REG_ALLOC_ORDER): Add frame pointer
16524 (FRAME_POINTER_REGNUM): Set to 20
16525 (HARD_FRAME_POINTER_REGNUM): New macro.
16526 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16527 to HARD_FRAME_POINTER.
16528 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16529 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16530 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16531 (HI_REGISTER_NAMES): Add "frame".
16532 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16533 (debug_reg): Handle FRAME_POINTER_REGNUM.
16534 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16535 GENERAL_REGS and INDEX_REGS.
16536 * i386.c (SAVED_REGS_FIRST): new macro.
16537 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16538 (ix86_decompose_address, memory_address_length): Likewise.
16539 (regclass_map): Add frame pointer.
16540 (call_insn_operand): Handle frame_pointer_rtx.
16541 (reg_no_sp_operand): Likewise.
16542 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16543 (print_operand, legitimize_pic_address): Fix formating.
16544 (ix86_compute_frame_size): Make static, update prototype, new
16545 parameters padding1, padding2, use ix86_nsaved_regs, use
16546 stack_alignment_needed.
16547 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16548 to HARD_FRAME_POINTER_REGNUM conversions.
16549 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16550 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16551 (print_reg): Abort on FRAME_POINTER_REGNUM
16553 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16555 * i386.h (PREDICATE_CODES): Add aligned_operand.
16556 * i386.c (aligned_operand): New function.
16557 (ix86_aligned_p): Kill.
16558 * i386.md (movhi_1): Emit mov for aligned operands.
16559 (promoting peep2s): Use aligned_operand.
16561 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16563 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16564 expression to allow underscores in macro names.
16565 (fix_char_macro_defines): Increment scanning pointer.
16567 2000-01-23 Richard Henderson <rth@cygnus.com>
16569 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16570 * alpha/osf5.h: New file.
16571 * configure.in (alpha-*-osf5): Add it to tm_file.
16573 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16575 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16576 (alpha_emit_xfloating_cvt, function_arg): Declare.
16577 * alpha.c (alpha_emit_conditional_branch): Call
16578 alpha_emit_xfloating_compare for TFmode compares.
16579 (alpha_lookup_xfloating_lib_func): New.
16580 (alpha_compute_xfloating_mode_arg): New.
16581 (alpha_emit_xfloating_libcall): New.
16582 (alpha_emit_xfloating_arith): New.
16583 (alpha_emit_xfloating_compare): New.
16584 (alpha_emit_xfloating_cvt): New.
16585 (print_operand): Add default abort case.
16586 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16587 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16588 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16589 (RETURN_IN_MEMORY): True for TF/TCmode.
16590 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16591 (FUNCTION_ARG): Move to function_arg.
16592 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16593 (ASM_OUTPUT_LONG_DOUBLE): New.
16594 (ASM_OUTPUT_DOUBLE): Always output bits.
16595 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16596 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16597 (extenddftf2, trunctfdf2): New.
16599 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16601 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16602 * config/sparc/sol2.h: ... here.
16604 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16606 * basic-block.h (struct loops): New field `levels'.
16607 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16608 (flow_loop_level_compute): Initialise level to 1.
16609 (flow_loops_find): Set loops->levels.
16610 (flow_loops_dump): Print loops->levels.
16612 2000-01-23 Richard Henderson <rth@cygnus.com>
16614 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16615 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16617 2000-01-23 Richard Henderson <rth@cygnus.com>
16619 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16620 * i386.h (DBX_REGISTER_NUMBER): Use them.
16621 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16622 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16623 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16624 * i386/sequent.h: Kill incorrect comment.
16626 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16628 * ggc-page.c (struct page_entry): Make `context_depth' an
16630 (struct globals): Likewise.
16632 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16634 * loop.c (check_dbra_loop): When checking a loop for
16635 reversability, check the source of any stores to ensure
16636 they don't depend on an initial value.
16638 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16640 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16642 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16644 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16645 'pz_scan' into scope of entire function. Only affects
16646 compiles with -DDEBUG.
16648 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16650 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16651 section naming to that prior to 2000-01-07 patch.
16652 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16653 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16654 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16655 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16656 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16658 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16660 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16663 2000-01-21 Jim Wilson <wilson@cygnus.com>
16665 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16666 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16668 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16670 * cpphash.c (change_newlines): Delete function.
16671 (struct argdata): Delete 'newlines' and 'use_count' fields.
16672 (macroexpand): Remove code referencing those fields.
16674 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16676 * loop.c (loops_info): New variable.
16677 (loop_optimize): Allocate loops->array and free it on exit.
16678 Allocate memory for loops_info and assign to each loop,
16680 (find_and_verify_loops): Do not allocate loops->array.
16682 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16684 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16686 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16688 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16689 pseudos if expanded after first flow.
16690 (movdi_pic_label_ref): Likewise.
16692 2000-01-20 Richard Henderson <rth@cygnus.com>
16694 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16696 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16698 * Makefile.in (fixinc.sh): Depend on specs.
16699 * fixinc/Makefile.in: Add rule to create machname.h.
16700 (fixlib.o): Depend on machname.h.
16701 * fixinc/fixtests.c (machine_name): New test.
16702 * fixinc/fixfixes.c (machine_name): New fix.
16703 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16704 the machine_name test and fix.
16705 * fixinc/fixlib.h: Prototype it.
16706 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16707 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16709 * gcc.c (do_spec_1) [case P]: Take care not to create
16710 identifiers with three leading or trailing underscores.
16712 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16713 (fixincl): Don't specify libraries twice on link line.
16714 (gnu-regex.o): Remove special rule.
16715 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16716 defined by config.h. Do not define _REGEX_RE_COMP.
16717 (regcomp): Allocate and initialize a fastmap.
16718 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16720 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16722 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16724 2000-01-19 Richard Henderson <rth@cygnus.com>
16726 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16727 arguments with BB. Update all callers. Tidy line wrapping.
16729 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16731 * emit-rtl.c (try_split): Return last_insn if we split the
16734 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16736 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16737 (ix86_initial_elimination_offset): Declare.
16738 * i386.c (ix86_nsaved_regs): Break out from ...
16739 (ix86_can_use_return_insn_p): ... here.
16740 (ix86_emit_save_regs): Break out from ...
16741 (ix86_expand_prologue): ... here.
16742 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16744 (ix86_expand_epilogue): ... here.
16745 (ix86_compute_frame_size): Make static, add prototype.
16746 (ix86_initial_elimination_offset): Break out from ...
16747 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16749 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16751 * recog.h (OUT_FCN): Delete.
16753 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16755 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16757 * cppalloc.c: PROTO -> PARAMS.
16758 * cpperror.c: Likewise.
16759 * cppfiles.c: Likewise.
16760 * cpplib.c: Likewise.
16761 * cpplib.h: Likewise.
16763 * config/arm/arm-protos.h: PROTO -> PARAMS.
16764 * config/arm/arm.c: Likewise.
16765 * config/c4x/c4x.c: Likewise.
16766 * config/fr30/fr30-protos.h: Likewise.
16767 * config/nextstep.c: Likewise.
16768 * config/pa/pa.c: Likewise.
16769 * config/pj/pj.c: Likewise.
16770 * config/rs6000/rs6000.c: Likewise.
16771 * config/v850/v850-protos.h: Likewise.
16772 * config/v850/v850.c: Likewise.
16774 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16776 * i370-protos.h: New file.
16778 * i370.c: Include tm_p.h. Fix compile time warnings.
16780 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16783 * i370.md: Likewise.
16785 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16787 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16788 (target_isinf, target_isnan, eisnan): Mark parameter with
16790 (eiisinf): Wrap in INFINITY.
16791 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16792 (ibmtoe): Remove unused variable `rndsav'.
16794 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16796 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16797 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16799 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16801 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16802 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16803 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16805 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16806 Recognize Emacs mode markers also.
16807 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16808 C++ comments in C++ headers. Call is_cxx_header only if
16811 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16812 bypass for ncurses.
16813 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16814 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16815 ... these, which use the new C fixes.
16816 (math_exception): Escape literal '+' in bypass expression.
16818 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16821 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16823 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16826 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16828 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16829 prior to calling scan_loop.
16831 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16833 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16834 (split_branches, calc_live_regs): Likewise.
16836 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16838 * sh.md (fpu_single, fp_mode): New attributes.
16840 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16842 * loop.c (current_loop_info): Renamed from loop_info_data
16843 and changed to a pointer.
16844 (loop_optimize): Allocate loop_info structure for each loop
16845 and initialise to zero.
16846 (scan_loop): Set current_loop_info.
16848 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16851 2000-01-19 Richard Henderson <rth@cygnus.com>
16853 * stupid.c: Die die die.
16854 * Makefile.in (OBJS): Remove stupid.o.
16855 (stupid.o): Likewise.
16857 * except.c (emit_eh_context): Don't emit USEs for stupid.
16858 * explow.c (probe_stack_range): Likewise.
16859 * flags.h (obey_regdecls): Remove.
16860 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16861 when not optimizing.
16862 (life_analysis): Limit data collection when not optimizing.
16863 (mark_regs_live_at_end): Always mark the return value registers.
16864 (mark_used_regs): Remove dummy RETURN case.
16865 (print_rtl_with_bb): Don't consult obey_regdecls.
16866 * function.c (use_variable, use_variable_after): Remove.
16867 (assign_parms): Consult optimize not obey_regdecls.
16868 (expand_function_start): Don't emit USEs for stupid.
16869 (expand_function_end): Likewise.
16870 * global.c (build_insn_chain): Export.
16871 * integrate.c (expand_inline_function): Kill return-value USE
16873 * jump.c (jump_optimize_1): Do simple jump optimizations and
16874 dead code elimination.
16875 (calculate_can_reach_end): Remove check_deleted argument.
16876 (delete_insn): Patch out insns even when not optimizing.
16877 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16878 * rtl.h (use_variable, use_variable_after): Remove declarations.
16879 (build_insn_chain): Declare.
16880 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16881 (expand_end_bindings): Likewise.
16882 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16883 * toplev.c (obey_regdecls): Remove.
16884 (rest_of_compilation): Don't set it. Kill stupid in favour of
16885 flow1, local-alloc, and reload.
16886 (main): Don't set obey_regdecls.
16888 * config/nextstep.c (handle_pragma): Likewise.
16890 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16892 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16894 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16896 * alpha-protos.h: PROTO -> PARAMS.
16897 * alpha.c: Likewise.
16899 * h8300.c: Likewise.
16900 * i386-protos.h: Likewise.
16901 * i386.c: Likewise.
16902 * m32r-protos.h: Likewise.
16903 * m32r.c: Likewise.
16904 * mips.c: Likewise.
16905 * mips.md: Likewise.
16906 * gmon-sol2.c: Likewise.
16907 * sparc.c: Likewise.
16909 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16911 * ns32k-protos.h: New file.
16913 * ns32k.c: Fix compile time warnings.
16915 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16918 * ns32k.md: Likewise.
16920 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16922 * vax-protos.h: New file.
16924 * vax.c: Fix compile time warnings.
16926 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16929 * vax.md: Likewise.
16931 * vaxv.md: Likewise.
16933 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16935 * romp-protos.h: New file.
16937 * romp.c: Fix compile time warnings.
16939 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16942 * romp.md: Likewise.
16944 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16946 * we32k-protos.h: New file.
16948 * we32k.c: Fix compile time warnings.
16950 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16953 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16955 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16957 * except.c (eh_regs): Likewise.
16959 * final.c (output_operand): Likewise.
16961 * fold-const.c (target_isinf, target_isnan): Likewise.
16963 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16965 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16966 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16968 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16969 when optimize_size.
16970 (clrstrsi): Rewrite.
16971 (strsethi, strsetqi): New expanders.
16972 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16973 (cmpstrsi): Emit compare insn before cmpstrsi_1
16974 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16975 (strlensi_1): Likewise.
16976 (cmpstrsi_1): Likewise; do not output compare.
16977 (strlen expander): Do not unroll when optimizing for size.
16978 (*subsi3_carry): Rename to subsi3_carry
16979 (addqi3_cc): New pattern.
16980 * i386.h (processor_costs): Add move_ratio field.
16981 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
16982 * i386.c (*_cost): Set move_ratio.
16983 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
16984 (x86_expand_strlensi_1): Rewrite the main loop.
16986 2000-01-17 Richard Henderson <rth@cygnus.com>
16988 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
16989 * cse.c (find_comparison_args, fold_rtx): Likewise.
16990 * integrate.c (subst_constants): Likewise.
16991 * loop.c (get_condition): Likewise.
16993 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
16995 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
16997 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
16999 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
17000 (RESTORE_WARN_FLAGS): Unpack it.
17001 Change semantic type of extension to ttype.
17002 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
17003 * c-parse.y, c-parse.c, objc/objc-parse.y,
17004 objc/objc-parse.c: Regenerate.
17006 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
17008 * fixinc/fixlib.c: Add copyright notice.
17009 (compile_re): New function.
17010 * fixinc/fixlib.h: Prototype compile_re.
17012 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
17013 Use compile_re to compile regular expressions.
17015 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
17016 where the pattern matched.
17018 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
17020 (ultrix_ansi_compat): Likewise.
17021 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
17023 (interactv_add2, interactv_add3): Delete.
17024 (x11_sprintf): Don't use filename glob.
17025 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
17028 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17030 * print-rtl.c: PROTO -> PARAMS.
17031 * real.c: Likewise.
17032 * reg-stack.c: Likewise.
17033 * resource.c: Likewise.
17034 * sdbout.h: Likewise.
17035 * simplify-rtx.c: Likewise.
17036 * stor-layout.c: Likewise.
17037 * stupid.c: Likewise.
17038 * xcoffout.c: Likewise.
17039 * xcoffout.h: Likewise.
17041 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17043 * toplev.c: PROTO -> PARAMS.
17044 * toplev.h: Likewise.
17045 * tree.c: Likewise.
17046 * tree.h: Likewise.
17047 * unroll.c: Likewise.
17048 * varasm.c: Likewise.
17049 * varray.c: Likewise.
17050 * varray.h: Likewise.
17052 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17054 * reload.c: PROTO -> PARAMS.
17055 * reload.h: Likewise.
17056 * reload1.c: Likewise.
17057 * reorg.c: Likewise.
17058 * resource.h: Likewise.
17061 * rtlanal.c: Likewise.
17062 * sbitmap.h: Likewise.
17063 * sdbout.c: Likewise.
17064 * stack.h: Likewise.
17065 * stmt.c: Likewise.
17066 * system.h: Likewise.
17068 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17070 * machmode.h: PROTO -> PARAMS.
17071 * mbchar.h: Likewise.
17072 * mips-tdump.c: Likewise.
17073 * mips-tfile.c: Likewise.
17074 * optabs.c: Likewise.
17075 * output.h: Likewise.
17076 * prefix.c: Likewise.
17077 * profile.c: Likewise.
17078 * protoize.c: Likewise.
17079 * real.h: Likewise.
17080 * recog.c: Likewise.
17081 * recog.h: Likewise.
17082 * regclass.c: Likewise.
17083 * regmove.c: Likewise.
17084 * regs.h: Likewise.
17086 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17088 * ggc-common.c: PROTO -> PARAMS.
17089 * ggc-page.c: Likewise.
17090 * ggc-simple.c: Likewise.
17092 * global.c: Likewise.
17093 * graph.c: Likewise.
17094 * gthr-win32.h: Likewise.
17095 * haifa-sched.c: Likewise.
17096 * halfpic.h: Likewise.
17097 * integrate.c: Likewise.
17098 * integrate.h: Likewise.
17099 * jump.c: Likewise.
17101 * local-alloc.c: Likewise.
17102 * loop.c: Likewise.
17103 * loop.h: Likewise.
17105 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17107 * genattr.c: PROTO -> PARAMS.
17108 * genattrtab.c: Likewise.
17109 * gencheck.c: Likewise.
17110 * gencodes.c: Likewise.
17111 * genconfig.c: Likewise.
17112 * genemit.c: Likewise.
17113 * genextract.c: Likewise.
17114 * genflags.c: Likewise.
17115 * gengenrtl.c: Likewise.
17116 * genopinit.c: Likewise.
17117 * genoutput.c: Likewise.
17118 * genpeep.c: Likewise.
17119 * genrecog.c: Likewise.
17121 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17123 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17125 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17127 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17128 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17129 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17130 * configure, config.in: Rebuilt.
17132 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17134 * config/i386/i386.md: Add peephole to merge successive stack
17137 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17139 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17140 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17141 when walking backwards to find all the parameter loads when
17142 the basic block ends in a call.
17144 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17146 * loop.c (this_loop_info): Delete.
17147 (uid_loop): Add in place of uid_loop_num. All uses updated.
17148 (loop_number_exit_count): Delete and replace with entry in loop
17149 structure. All uses updated.
17150 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17151 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17152 (loop_outer_loop): Likewise.
17153 (loop_invalid, loop_number_exit_labels): Likewise.
17154 (loop_used_count_register): Delete and replace with entry in
17155 loop_info structure.
17156 (find_and_verify_loops): Add loops argument.
17157 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17158 loop_end, etc. arguments with loop structure pointer. All callers
17160 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17161 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17162 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17163 (insert_bct): Likewise.
17164 (basic_induction_var): New argument level.
17165 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17166 vtop, and cont. Add used_count_register.
17167 (uid_loop): Delete declaration.
17168 (loop_number_exit_count): Likewise.
17169 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17170 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17171 (loop_outer_loop, loop_used_count_register): Likewise.
17172 (loop_invalid, loop_number_exit_labels): Likewise.
17173 (unroll_loop): Replace loop_start and loop_end arguments
17174 with loop structure pointer.
17175 (loop_precondition_p, loop_iterations): Likewise.
17176 Include basic-block.h.
17177 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17178 with loop structure pointer.
17179 (loop_precondition_p, loop_iterations): Likewise.
17180 * basic-block.h (struct loop): New entries vtop, cont,
17181 cont_dominator, start, end, top, scan_start, exit_labels,
17183 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17185 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17187 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17189 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17191 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17193 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17195 * pdp11-protos.h: New file.
17197 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17200 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17203 * pdp11.md: Likewise.
17205 * 2bsd.h: Likewise.
17207 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17209 * mn10300-protos.h: New file.
17211 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17214 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17217 * mn10300.md: Likewise.
17219 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17221 * mn10200-protos.h: New file.
17223 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17226 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17229 * mn10200.md: Likewise.
17231 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17233 * h8300-protos.h: New file.
17235 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17238 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17241 * h8300.md: Likewise.
17243 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17245 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17246 (asm_emit_uninitialised): Likewise.
17248 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17250 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17251 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17253 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17255 * config/mips/mips.c (override_options): Don't turn on extra
17256 alignment for mips16.
17258 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17260 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17261 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17264 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17266 * builtins.c (PAD_VARARGS_DOWN): Define.
17267 (std_expand_builtin_va_arg): Use the above macro.
17268 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17269 * tm.texi (Register Arguments): Document the above macro.
17271 2000-01-14 Nick Clifton <nickc@cygnus.com>
17273 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17274 that this function has not been used to emit a jump
17277 * jump.c (return_jump_1): Cope with being passed a null rtx.
17279 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17281 * eh-common.h: PROTO -> PARAMS.
17282 * emit-rtl.c: Likewise.
17283 * errors.c: Likewise.
17284 * errors.h: Likewise.
17285 * except.c: Likewise.
17286 * except.h: Likewise.
17287 * explow.c: Likewise.
17288 * expmed.c: Likewise.
17289 * expr.c: Likewise.
17290 * expr.h: Likewise.
17291 * final.c: Likewise.
17292 * fix-header.c: Likewise.
17293 * flow.c: Likewise.
17294 * fold-const.c: Likewise.
17295 * function.c: Likewise.
17296 * function.h: Likewise.
17298 * gcov-io.h: Likewise.
17299 * gcov.c: Likewise.
17300 * gcse.c: Likewise.
17302 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17304 * sh-protos.h: New file.
17306 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17307 Add static prototypes. Fix compile time warnings.
17309 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17313 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17315 * arc-protos.h: New file.
17317 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17320 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17323 * arc.md: Likewise.
17325 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17327 * dsp16xx-protos.h: New file.
17329 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17332 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17335 * dsp16xx.md: Likewise.
17337 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17339 * convex-protos.h: New file.
17341 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17344 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17347 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17349 * elxsi-protos.h: New file.
17351 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17354 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17357 * elxsi.md: Likewise.
17359 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17361 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17362 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17363 match the comment for MIPS16.
17365 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17367 * flow.c (split_edge): Do not call set_block_for_insn if we
17368 do not have a basic_block_for_insn structure.
17370 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17371 and destination functions are 32bit aligned within the trampoline.
17372 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17373 (TRAMPOLINE_ALIGNMENT): Define.
17375 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17376 (set (pc) (label_ref)), verify the change creates a valid insn.
17378 * fr30.c (call_operand): Tighten and rework to match rules for
17379 call RTL expressions.
17380 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17381 * fr30.md (call patterns): Improve constraints.
17383 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17385 * fr30.c (fr30_expand_epilogue): Revert last change.
17386 Use emit_jump_insn for the return insn.
17388 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17389 Stan Cox <scox@cygnus.com>
17391 * predict.c: New file. Preliminary infrastructure work for static
17392 branch prediction and basic block reordering.
17393 * basic-block.h: Add prototype for estimate_probability.
17394 * Makefile.in: Add rules for predict.o.
17396 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17398 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17399 * fixinc/*: Likewise.
17401 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17403 * cccp.c: PROTO -> PARAMS.
17404 * cexp.y: Likewise.
17405 * collect2.c: Likewise.
17406 * combine.c: Likewise.
17407 * convert.h: Likewise.
17409 * dbxout.c: Likewise.
17410 * dbxout.h: Likewise.
17411 * diagnostic.c: Likewise.
17412 * doprint.c: Likewise.
17413 * dwarf2out.c: Likewise.
17414 * dwarf2out.h: Likewise.
17415 * dwarfout.c: Likewise.
17416 * dwarfout.h: Likewise.
17417 * dyn-string.h: Likewise.
17419 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17421 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17422 macro conditionals guarding use.
17424 * dwarf2out.c: Include "tm_p.h".
17426 * function.c (locate_and_pad_parm): Mark parameter with
17428 (expand_function_end): Likewise for variable `context'.
17430 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17432 2000-01-13 Nick Clifton <nickc@cygnus.com>
17434 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17435 register to prevent compile time warnings.
17437 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17439 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17440 to avoid -Wtraditional warning.
17442 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17444 * 1750a-protos.h: New file.
17446 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17449 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17452 * 1750a.md: Likewise.
17454 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17456 * a29k-protos.h: New file.
17458 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17461 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17464 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17466 * clipper-protos.h: New file.
17468 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17471 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17474 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17476 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17478 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17480 * configure.in (--enable-new-gxx-abi): New option.
17481 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17482 * Makefile.in (GXX_ABI_FLAG): New variable.
17483 * configure: Regenerate.
17485 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17487 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17488 * tm.texi (FORCE_STRUCT_BLK): Document.
17489 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17491 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17493 * config/ns32k/ns32k.md: Revert Jan 9 change.
17495 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17496 to a mode-test, if the predicate is address_operand.
17498 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17500 * combine.c (if_then_else_cond): Be careful about what kinds
17501 of RTL expressions are passed to operand_subword.
17503 * flow.c (split_edge): If we have to insert a new jump, make
17504 sure to associate it with a basic block.
17506 * flow.c (commit_one_edge_insertion): A block with one successor
17507 can end in a JUMP_INSN that is not a simplejump.
17509 2000-01-12 Robert Lipe <robertl@sco.com>
17511 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17512 (BUILD_VA_LIST_TYPE): Define.
17513 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17516 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17518 * cccp.c (do_pragma): Add cast to (char *).
17520 2000-01-12 Richard Henderson <rth@cygnus.com>
17521 Fred Fish <fnf@be.com>
17522 Jason Merrill <jason@cygnus.com>
17524 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17525 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17526 * i386/beos-elf.h, i386/beos-pe.h: New files.
17528 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17529 * cross-make (SYSTEM_HEADER_DIR): Define using
17530 CROSS_SYSTEM_HEADER_DIR.
17532 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17533 (process_command): Use it.
17534 (main): Likewise. Kill trailing = from env vars.
17535 (build_search_list): Put it back.
17536 * collect2.c (main): Use LIBRARY_PATH_ENV.
17538 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17539 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17541 * tm.texi (Frame Layout): Document SMALL_STACK.
17542 * c-common.c (c_common_nodes_and_builtins): Check it.
17544 * system.h: Undef alloca after including glibc's <stdlib.h>,
17545 if USE_C_ALLOCA is defined.
17547 * gcc.c (set_input): New fn.
17548 (main): After all input files are compiled, reset the input file
17551 * aclocal.m4 (rindex, index): If already defined, don't attempt
17554 * ginclude/varargs.h: (__va_list__): Define ifndef.
17555 * ginclude/stdarg.h: Likewise.
17557 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17558 instead of unsigned char.
17560 * hash.h (true, false, boolean): Undef before enum.
17562 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17563 proper type of "HOST_WIDE_INT *", rather than their natural type of
17564 "unsigned HOST_WIDE_INT *".
17566 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17568 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17570 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17572 * regclass.c (choose_hard_reg_mode): Likewise.
17574 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17576 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17578 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17580 * c-common.c: PROTO -> PARAMS.
17581 * c-common.h: Likewise.
17582 * c-decl.c: Likewise.
17583 * c-iterate.c: Likewise.
17584 * c-lang.c: Likewise.
17585 * c-lex.c: Likewise.
17586 * c-lex.h: Likewise.
17587 * c-parse.in: Likewise.
17588 * c-pragma.c: Likewise.
17589 * c-pragma.h: Likewise.
17590 * c-tree.h: Likewise.
17591 * c-typeck.c: Likewise.
17592 * objc/objc-act.c: Likewise.
17593 * objc/objc-act.h: Likewise.
17595 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17597 * m88k-protos.h: New file.
17599 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17602 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17604 * m88k.md: Likewise.
17606 * tekXD88.h: Likewise.
17608 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17610 * m68k-protos.h: New file.
17612 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17615 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17617 * mot3300.h: Likewise.
17619 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17621 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17623 (extract_bitlist): Declare bitlen.
17625 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17627 * cccp.c: Accept and ignore -lang-fortran.
17629 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17630 qualifiers don't match at any level of pointerness.
17632 2000-01-12 Robert Lipe <robertl@sco.com>
17634 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17636 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17638 * reload1.c (reload_reg_unavailable): New static variable.
17639 (reload_reg_free_p): Test it.
17640 (reload_reg_free_for_value_p): Test it instead of
17642 (choose_reload_regs_init): Compute it.
17644 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17646 * reorg.c (fill_slots_from_thread): Check modified_in_p
17649 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17651 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17652 these nodes even if INTERNALS is not set.
17654 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17656 * gcse.c (delete_null_pointer_checks_1): Cope when
17657 get_condition cannot determine the condition.
17659 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17661 * toplev.h (set_message_length): Declare.
17663 * diagnostic.c (obstack_chunk_alloc): Define macro.
17664 (obstack_chunk_free): Likewise.
17665 (struct output_buffer): New data structure.
17666 (vmessage): Remove.
17667 (output_maximum_width): New variable.
17668 (doing_line_wrapping, set_message_length, init_output_buffer,
17669 get_output_prefix, output_space_left, emit_output_prefix,
17670 output_newline, output_append, output_puts, dump_output,
17671 vbuild_message_string, build_message_string, build_location_prefix,
17672 voutput_notice, output_printf, line_wrapper_printf,
17673 vline_wrapper_message_with_location): New functions. Implement
17674 automatic line wrapping.
17675 (v_message_with_decl): Make it handle automatic line wrapping.
17676 (v_error_with_file_and_line): Likewise.
17677 (v_warning_with_file_and_line): Likewise.
17678 (announce_function): Likewise.
17679 (default_print_error_function): Likewise.
17681 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17683 * cpplib.h (struct cpp_options): Change lang_asm to char.
17685 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17686 done in cpp_handle_option now.
17687 (initialize_builtins): Take out special case code used only by
17689 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17690 if -traditional. Recognize -lang-fortran and set
17691 lang_fortran, also turn off cplusplus_comments.
17692 (print_help): Document -lang-fortran.
17693 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17694 lang_asm. Ignore all directives other than `# 123 "file"' if
17696 (cpp_get_token): If -traditional, don't recognize directives
17697 unless the # is in column 1.
17698 (parse_string): If lang_fortran or lang_asm, silently
17699 terminate strings ('' or "") at end of line.
17700 Remove unnecessary braces.
17702 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17703 Richard Henderson <rth@cygnus.com>
17705 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17707 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17708 strict_low_part when possible.
17710 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17712 * alias.c: PROTO -> PARAMS.
17713 * basic-block.h: Likewise.
17714 * bitmap.c: Likewise.
17715 * bitmap.h: Likewise.
17716 * builtins.c: Likewise.
17717 * c-aux-info.c: Likewise.
17718 * caller-save.c: Likewise.
17719 * calls.c: Likewise.
17721 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17723 * Makefile.in (toplev.o): Depend on regs.h.
17725 * output.h (tdesc_section): Prototype.
17727 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17729 * sdbout.c: Include "tm_p.h".
17731 * toplev.c: Include "regs.h".
17733 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17735 * unroll.c (unroll_loop): Add EH support.
17737 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17739 * pa-protos.h: New file.
17741 * pa.c: Include recog.h and tm_p.h.
17742 (compute_zdepwi_operands, compute_movstrsi_length,
17743 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17744 find_addr_reg, import_milli): Add static prototypes.
17745 (pa_cpu_string, pa_arch_string): Constify a char*.
17746 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17747 (read_only_operand): Add argument `mode'.
17748 (singlemove_string, output_move_double, output_fp_move_double,
17749 output_block_move, output_and, output_ior, output_ascii,
17750 remove_useless_addtr_insns, milli_names, output_mul_insn,
17751 output_div_insn, output_mod_insn, output_arg_descriptor,
17752 output_cbranch, output_bb, output_bvb, output_dbra, ,
17753 output_millicode_call, output_call, hppa_encode_label,
17754 output_parallel_movb, output_parallel_addb): Constify a char*.
17755 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17756 (output_parallel_addb): Remove extra arg to `constrain_operands'
17758 * pa.h: Move all prototypes to pa-protos.h.
17759 (pa_cpu_string, pa_arch_string): Constify a char*.
17760 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17762 * pa.md: Call `function_label_operand' with mode argument.
17763 Likewise for `read_only_operand'.
17764 Fix nesting of parens in call to `symbolic_operand'.
17766 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17768 * i860-protos.h: New file.
17770 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17773 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17775 * i860.md: Likewise.
17777 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17779 * i386.md (movstrsi expander): Rewrite.
17780 (movstrsi_1 insn): Deleted.
17781 (strmovhi, strmovqi expander): New expanders.
17782 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17783 * i386.c (x86_single_stringop): New global variable.
17784 * i386.h (x86_single_stringop): Declare.
17785 (TARGET_SINGLE_STRINGOP): New macro.
17787 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17789 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17790 integer vararg POSTINCREMENT before the destination of the jump
17791 for the hard fp case.
17792 (function_arg_pass_by_reference): Pass a copy of CUM to
17795 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17796 for CONSTANT_ADDRESS_P above while loop for subreg.
17798 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17800 * flow.c (propagate_block): When a prologue/epilogue insn
17801 is marked dead, unconditionally clear libcall_is_dead and
17802 insn_is_dead, and only dump rtl if warnings aren't being
17805 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17807 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17808 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17809 (FIXED_REGISTERS): Set dirflag as fixed.
17810 (CALL_USED_REGISTERS): Set dirflag as used.
17811 (REG_ALLOC_ORDER): Set dirflag as last one.
17812 (DIRFLAG_REG): New macro.
17813 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17814 (HI_REGISTER_NAMES): Add dirflag.
17815 (DEBUF_PRINT_REG): Handle dirflag.
17816 * i386.md (type attribute): New cld and str types.
17817 (length_opcode attribute): Set cld and str to 1.
17818 (memory attribute): Set str to unknown - it is not clear from the
17820 (pent_np function unit): Prefixed string operations takes 12 cycles
17821 minimally; cld takes 2 cycles.
17822 (ppro_uops attribute): Str is "many" and cld is "few".
17823 (ppro_p0 unit): Handle cld here.
17824 (k6_alux unit): Handle cld and str types.
17825 (k6_load unit): It is ocupied by str opcodes.
17826 (k6_store unit): It is ocupied by str opcodes.
17827 (athlon_decode): Str is vector decoded.
17828 (athlon_ieu): Handle str and cld.
17829 (cld pattern): New.
17830 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17831 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17832 cmpstrsi_nz_1 insn): Do not output cld instruction
17834 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17836 * gcc.texi (G++ and GCC): Add Java and Chill.
17837 (Bug Critera): Don't list languages.
17839 * gcc.texi (Incompatibilities): No longer claim most C compilers
17842 * gcc.texi (G++ and GCC): Update other front-ends list.
17844 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17846 * i386.c (ix86_expand_setcc): Fix typo.
17847 (ix86_expand_movcc): Similarly.
17849 * Band-aid until haifa's bitset implementation is nuked.
17850 * haifa-sched.c (extract_bitlst): New parameter for size of the
17851 bitset in bits. All callers changed. Avoid looking at undefined
17852 bits in the bitset.
17853 (edgeset_bitsize): New variable.
17854 (schedule_region): Initialize edgeset_bitsize.
17856 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17858 * Makefile.in (optabs.o): Depend on real.h
17859 (resource.o): Depend on insn-attr.h
17861 * builtins.c (result_vector): Wrap prototype in macro conditions
17862 governing definition and use.
17864 * c-common.c: Include tm_p.h.
17866 * c-lex.c: Likewise.
17868 * elfos.h: Constify a char*.
17870 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17871 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17872 parameter with ATTRIBUTE_UNUSED.
17874 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17877 * haifa-sched.c (schedule_insns): Mark parameter with
17880 * optabs.c: Include real.h.
17882 * real.h (ereal_atof): Add prototype arguments.
17884 * resource.c: Include insn-attr.h.
17886 * sdbout.c (sdbout_queue_anonymous_type,
17887 sdbout_dequeue_anonymous_types): Wrap in macro
17888 SDB_ALLOW_FORWARD_REFERENCES.
17889 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17892 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17894 * stupid.c: Include tm_p.h.
17896 * tree.c (real_value_from_int_cst): Mark parameter with
17899 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17901 * i960-protos.h: New file.
17903 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17906 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17908 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17910 * combine.c (expand_field_assignment): Do not discard SUBREGs
17911 while computing nonzero_bits.
17913 2000-01-09 Nick Clifton <nickc@cygnus.com>
17915 * config/arm/arm.c: Fix compile time warnings about signed vs
17916 unsigned constants.
17917 * config/arm/arm.h: Fix compile time warnings about signed vs
17918 unsigned constants.
17920 2000-01-09 Philip Blundell <philb@gnu.org>
17922 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17923 than `ldm' with only one register.
17924 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17927 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17930 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17932 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17935 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17937 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17938 assignment used as truth value.
17940 * function.c (assign_temp): Mark parameter `dont_promote' with
17941 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17942 PROMOTE_FOR_CALL_ONLY.
17944 * genrecog.c (write_subroutine): Mark variable `operands' with
17947 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17950 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17951 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17953 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17956 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17958 * config/c4x.h: Tidy up comments.
17959 * config/c4x.c: Likewise.
17961 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17963 * fold-const.c (lshift_double, rshift_double): Handle
17964 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17966 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17968 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17969 in prepare_function_start().
17971 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17973 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17974 longer allocate extra stack for function calls.
17976 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17978 * config/c4x/c4x.md (*subqf3_set): Fix typo.
17980 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17982 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
17984 2000-01-07 David Edelsohn <edelsohn@gnu.org>
17986 * rs6000.c (processor_target_table): Add power3 as alias for 630.
17987 * aix43.h: Revert Aug 2 change.
17988 (HAS_INIT_SECTION): Define, not visible yet.
17989 (LD_INIT_SWITCH): Define, not visible yet.
17990 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
17992 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
17994 * collect2.c (main): Expand ld2 size further.
17995 (export_object_lst): Cast assignment to avoid warning.
17996 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
17997 (scan_prog_file, COFF): Do not collect initialization or
17998 finalization functions generated for entire shared object if
17999 init/fini support present.
18001 2000-01-07 Nick Clifton <nickc@cygnus.com>
18003 * config/elfos.h: Tidy up formatting of marcos. Make sure
18004 that .section directives are always prefixed by a tab.
18006 * config/svr4.h: Add #include "elfos.h" and remove duplicate
18009 2000-01-07 Matt Austern <austern@sgi.com>
18011 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
18014 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
18016 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
18018 (crtbegin.o, s-crtS): Likewise.
18020 2000-01-06 Richard Henderson <rth@cygnus.com>
18022 * alpha.md (adddi_2+1): Limit offset such that it will be
18023 loadable with a single ldah+lda pair.
18024 (adddi_2+2): Explicitly fail split if we can't make it work.
18026 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
18028 * protoize.c: Conditionally include unistd.h.
18029 (IS_SAME_PATH_CHAR): New macro.
18030 (IS_SAME_PATH): New macro.
18031 (CPLUS_FILE_SUFFIX): New macro.
18032 (cplus_suffix): New static variable.
18033 (is_abspath): New static function.
18034 (in_system_include_dir): Handle DOS style pathnames.
18035 (file_could_be_converted): Likewise.
18036 (file_normally_convertible): Likewise.
18037 (directory_specified_p): Likewise.
18038 (file_excluded_p): Likewise.
18039 (abspath): Likewise.
18040 (shortpath): Likewise.
18041 (referenced_file_is_newer): Likewise.
18042 (save_def_or_dec): Likewise.
18043 (do_processing): Likewise.
18045 (edit_file): Likewise. Use rename instead of link.
18046 (rename_c_file): Likewise. Don't rename syscalls file.
18047 (munge_compile_params): Define null device for DOS based systems.
18048 (process_aux_info_file): Use binary mode if appliable.
18049 (edit_file): Likewise.
18050 * invoke.texi (Running Protoize): Document C++ suffixes used.
18052 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
18053 IS_DIR_SEPARATOR macros.
18054 * collect2.c: Likewise.
18055 * cppinit.c: Likewise.
18056 * dwarf2out.c: Likewise.
18058 * gcov.c: Likewise.
18059 * prefix.c: Likewise.
18061 * toplev.c: Likewise.
18062 * system.h: And move to here.
18064 * prefix.c (update_path): Fix typo in variable name.
18066 2000-01-06 Richard Henderson <rth@cygnus.com>
18068 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
18069 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
18070 (count_reg_sets_1, count_reg_references): Likewise.
18071 (flow_loops_level_compute): Start counting actual loop depth at 1.
18072 (flow_loops_find): Likewise.
18073 * local-alloc.c (update_equiv_regs): Likewise.
18074 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
18076 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
18078 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
18079 FIRST_PSEUDO_REGISTER
18080 * dwarf2out.c: Don't include frame.h
18081 * dwarfout.c: Likewise
18082 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
18085 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
18087 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
18090 * i386.c (movsf splitter): Fix typo in my last checkin.
18092 2000-01-05 Nick Clifton <nickc@cygnus.com>
18094 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
18095 own definition of this macro.
18096 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
18097 flag_data_sections or UNIQUE_SECTION_P are true.
18099 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18100 unitialised data decls.
18102 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18103 being called for uninitialised data.
18105 * config/i386/interix.c (i386_pe_unique_section): Cope with
18106 being called for uninitialised data.
18108 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18109 for uninitialised data.
18111 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18112 for uninitialised data.
18114 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18115 for uninitialised data.
18117 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18118 (UNIQUE_SECTION_P): Always generate a unique section if
18119 flag_data_sections is true.
18120 (UNIQUE_SECTION): Also generate unique sections for
18121 uninitialised data.
18122 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18123 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18126 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18128 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18131 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18133 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18134 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18135 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18136 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18137 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18139 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18141 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18143 * c-decl.c (finish_enum): Simplify code to determine minimum and
18144 maximum values of the enum, and calculate the type. Remove check
18145 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18146 the DECL_INITIAL of each enumeration constant with a copy converted
18147 to the enumeration type. When updating variant types, don't bother
18148 updating the type itself.
18150 * c-typeck.c (build_binary_op): Simplify conditional expressions
18151 when weeding out spurious signed-unsigned warnings. Add new
18152 spurious warning category: if the unsigned quantity is an enum
18153 and its maximum value fits in signed_type(result_type). Update
18155 (build_conditional_expr): Warn here if one alternative is signed
18156 and the other is unsigned.
18158 2000-01-05 Nick Clifton <nickc@cygnus.com>
18160 * config/fr30/fr30.h: Remove extraneous comments.
18162 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18164 * reload1.c (choose_reload_regs): When disabling a reload, also
18165 set reload_spill_index to -1.
18167 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18169 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18171 (m68*-*-rtemself*): New target.
18172 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18173 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18174 (sparc*-*-rtemself*): New target.
18175 (sparc*-*-rtems*): Now elf not a.out.
18176 * config/i386/rtems.h: Include config/rtems.h.
18177 * config/i386/rtemself.h: Include config/rtems.h.
18178 * config/i960/rtems.h: Include config/rtems.h.
18179 * config/m68k/rtems.h: Include config/rtems.h.
18180 * config/m68k/rtemself.h: Include config/rtems.h.
18181 * config/mips/rtems64.h: Include config/rtems.h.
18182 * config/pa/rtems.h: Include config/rtems.h.
18183 * config/rs6000/rtems.h: Include config/rtems.h.
18184 * config/sh/rtems.h: Include config/rtems.h.
18185 * config/sh/rtemself.h: Include config/rtems.h.
18186 * config/sparc/rtems.h: Include config/rtems.h.
18187 * config/sparc/rtemself.h: Include config/rtems.h
18189 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18191 * final.c (shorten_branches): Correctly compute length of
18192 asms without operands.
18194 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18196 * configure.in: Add pj target.
18197 * configure: Regenerate.
18198 * config/pj: New directory.
18199 * config/pj/lib1funcs.S: New file.
18200 * config/pj/linux.h: New file.
18201 * config/pj/pj.c: New file.
18202 * config/pj/pj.md: New file.
18203 * config/pj/pjl.h: New file.
18204 * config/pj/t-pj: New file.
18205 * config/pj/xm-pj.h: New file
18207 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18209 * toplev.c (rest_of_compilation): Run shorten-branches before
18212 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18214 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18215 macros so that they're consistent with their names.
18216 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18217 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18219 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18221 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18222 modified inadvertently.
18224 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18226 * configure.in (v850*-*-rtems*): New target.
18227 * configure: Regenerate.
18228 * config/v850/rtems.h: New file.
18230 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18232 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18233 (__gthread_key_create): Likewise.
18234 (__gthread_key_dtor): Likewise.
18235 (__gthread_once): Fix logic.
18236 (__gthread_key_delete): Cast away constness.
18238 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18239 * invoke.texi: Document.
18240 * i386/mingw32.h (CPP_SPEC): Use.
18241 (LIBGCC_SPEC): Likewise.
18242 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18244 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18246 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18247 (HANDLE_PRAGMA_PACK): Undefine.
18248 (SLOW_UNALIGNED_ACCESS): Define.
18250 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18252 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18253 to default definition.
18254 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18255 (store_fixed_bit_field): Call macro with word_mode and alignment.
18256 (extract_bit_field): Call macro with relevant mode and alignment.
18257 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18258 to default definition.
18259 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18261 (move_by_pieces_ninsns): Likewise.
18262 (clear_by_pieces): Likewise.
18263 (emit_push_insn): Likewise.
18264 (store_field): Call macro with relevant mode and alignment.
18265 (expand_expr): Likewise.
18266 (expand_expr_unaligned): Likewise.
18268 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18269 (SLOW_UNALIGNED_ACCESS): Define.
18270 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18271 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18272 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18273 (toc_section): Likewise and .toc pseudo-op.
18274 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18276 (TEXT_SECTION_ASM_OP): Likewise.
18277 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18280 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18281 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18282 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18283 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18284 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18286 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18288 * regclass.c: Revert my Jan 4 change to loop cost computation.
18290 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18292 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18295 2000-01-04 Stan Cox <scox@cygnus.com>
18297 * haifa-sched.c (build_control_flow): Change unreachable simple
18298 loop test to check if current block has only one predecessor.
18299 (find_rgns): Initialize degree. Use dest as degree index, not src.
18301 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18303 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18305 * calls.c (expand_call): Likewise for
18306 `old_stack_arg_under_construction'.
18308 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18310 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18313 * gcc.c (execute): Likewise for `ut' and `st'.
18315 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18317 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18319 * jump.c (jump_optimize_1): Likewise for `temp2'.
18321 * local-alloc.c (block_alloc): Likewise for `r1'.
18323 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18325 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18326 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18328 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18331 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18332 and `goal_earlyclobber'.
18334 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18336 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18338 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18340 * unroll.c (copy_loop_body): Likewise for `copy'.
18342 * varasm.c (output_constructor): Likewise for `byte'.
18344 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18346 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18347 all FP constants for constant->reg moves.
18348 (ix86_split_to_parts): Try to convert memory address into immediate
18349 when available in the constant pool.
18350 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18352 (LEGITIMATE_CONSTANT_P): Return 1.
18353 * i386.md (pushsf): New splitter to convert constant pool memory
18354 reference to immediate.
18355 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18358 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18360 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18361 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18362 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18363 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18364 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18366 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18368 * ginclude/stdbool.h: Support compilation as C++.
18370 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18372 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18374 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18376 * regclass.c (regclass): Properly compute loop_cost. Adjust
18379 * regclass.c: Fix minor whitespace problems.
18381 2000-01-03 Anthony Green <green@cygnus.com>
18383 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18384 Restore the pic register if required.
18386 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18388 * c-common.c (format_char_info): Update comment.
18389 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18390 was recognized. Emit warning for formats new in ISO C99 only
18391 if flag_isoc9x is not set.
18393 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18395 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18397 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18399 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18400 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18401 (make_compound_operation): Choose cheaper alternative between
18402 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18404 * regclass.c (op_costs): Remove global variable.
18405 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18406 (record_operand_costs): Break out from ...
18407 (scan_one_insn): ... here.
18408 (dump_regclass): Make dumps nicer.
18409 (regclass): Dump preferrences choosed and changes done during passes.
18411 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18413 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18415 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18417 * config/sparc/sparc.c (gen_df_reg): New function.
18418 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18419 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18420 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18421 movtf_cc_reg_sp64+1): Use it.
18423 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18425 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18426 copied LABEL_DECLs.
18428 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18430 * config/i386/i386.c (ix86_expand_unary_operator): Function
18431 definition made void.
18432 (ix86_expand_binary_operator): Update outdated preceding comment.
18433 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18436 * config/i386/i386.c (override_options): Fix option-name typo.
18438 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18440 * system.h (CEIL): Define.
18441 * builtins.c (CEIL): Remove.
18442 * expmed.c (CEIL): Likewise.
18443 * expr.c (CEIL): Likewise.
18444 * stor-layout.c (CEIL): Likewise.
18446 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18448 * expr.c (store_constructor_field): Fix typo introduced with last
18451 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18453 * tree.h (BINFO_N_BASETYPES): New macro.
18455 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18457 * expmed.c (emit_store_flag): Prevent losing a pending stack
18458 adjust the same way we prevent losing queued increments.
18460 See ChangeLog.2 for earlier changes.