1 2000-07-20 Geoff Keating <geoffk@cygnus.com>
3 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
6 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
7 choice, don't put integer values in FP regs.
9 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
11 * flow.c (verify_flow_info): Revamp code to verify that the
12 head and end of each basic block are in the insn chain.
14 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
16 * gcse.c (record_one_set): Prepend instead of append onto
17 reg_set_table, making it O(n) instead O(n^2).
18 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
19 Use a queue instead of a stack as worklist.
21 2000-07-20 Kazu Hirata <kazu@hxi.com>
23 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
24 * h8300.h (OK_FOR_T): New.
25 (EXTRA_CONSTRAINT): Support OK_FOR_T.
26 * h8300.md: Use inc/dec.[wl] for increment/decrement
27 by 1 and 2 in HI and SI modes.
29 2000-07-20 Jim Wilson <wilson@cygnus.com>
31 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
34 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
36 * cppmacro.c (CAN_PASTE_AFTER): New macro.
37 (count_params): Don't set GNU_REST_ARGS on anything.
38 (save_expansion): Set PASTE_LEFT only on tokens for which
39 CAN_PASTE_AFTER is true, or which are named operators.
41 * cpplex.c (parse_args): Distinguish between a rest argument
42 given one empty argument, and a rest argument given zero arguments.
43 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
44 deletion of previous token based on that.
45 (get_raw_token): Flatten some control structure.
47 * cpplib.h (CPP_LAST_EQ): Correct.
48 (VOID_REST): New token flag.
49 (GNU_REST_ARGS): Delete.
51 * tradcpp.c (main): Don't munge -D options.
52 (make_definition): Bring -D handling in line with cpplib.
53 (do_define): Strip all leading whitespace from macro definitions.
55 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
57 * Makefile.in (tradcpp): Depend on intl.o and version.o.
59 2000-07-20 Bruce Korb <bkorb@gnu.org>
61 * fixincl/check.tpl: strip the platform specific types before testing
62 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
63 * fixincl/fixincl.tpl: use platform specific types
64 * fixincl/fixlib.h: include the platform specific types
65 * fixincl/inclhack.def(gnu_types): don't supply the types
66 * fixincl/fixincl.x: regen
68 2000-07-19 Jim Wilson <wilson@cygnus.com>
70 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
73 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
75 * tradcpp.c (rescan): Do not recognize directives when the #
78 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
80 Implement C++ named operators.
82 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
83 of operators allowed in #if and having an _EQ variant. Add
84 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
85 (cpp_token flags): Add NAMED_OP.
86 (enum node_type): Add T_OPERATOR.
87 (struct cpp_hashnode): Add code slot to value union.
88 * cpphash.h (spec_nodes): Remove n_defined.
90 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
91 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
92 (is_macro_disabled): Tweak error messages.
94 * cpplib.c (get_define_node): Disallow all named operators as
95 macro names. Tweak error messages.
96 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
98 * cppinit.c (builtin_array): Add entries for the named operators.
99 * cppexp.c (lex): Check for CPP_DEFINED token.
100 (priority table): Add entries for CPP_MIN and CPP_MAX.
101 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
103 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
105 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
106 larger than the array of cuids.
107 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
110 2000-07-19 Bruce Korb <bkorb@gnu.org>
112 * fixinc/fixincl.c: Convert to using a table of environment variables
113 and activate the auto-edit marker on the fixed output files.
114 * fixinc/fixlib.h: Define the environment table
115 * fixinc/fixincl.sh: export the ${INPUT} dir
116 * fixinc/check.tpl: likewise
118 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
120 * gcc.c (.h spec): Fix typo.
122 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
124 * Makefile.in: Fix tradcif.c path.
126 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
128 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
131 * cpphash.h (TOKEN_NAME): New macro.
132 (_cpp_spell_operator): Deleted.
133 (token_spellings): Now _cpp_token_spellings.
135 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
136 * cpplex.c: Use OP and TK macros when expanding the
137 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
138 store the stringification of the enumeration name (CPP_CHAR,
139 etc.) in the name slot of token_spellings.
140 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
141 token_spellings directly.
142 * cpplib.c: Use TOKEN_SPELL.
144 * cpplex.c (_cpp_push_token): If the token being pushed back
145 is the previous token in this context, just subtract one from
147 * cppmacro.c (save_expansion): Clear aux field when storing a
150 2000-07-18 Jakub Jelinek <jakub@redhat.com>
152 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
153 buffer, provided it is not NULL.
155 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
157 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
158 case of invalid volatile re-declaration.
160 2000-07-18 Jakub Jelinek <jakub@redhat.com>
162 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
163 (expand_call): Adjust caller.
165 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
167 * diagnostic.h (report_diagnostic): Change prototype.
169 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
170 diagnostic_for_decl): Change prototype.
171 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
172 error, warning, error_with_file_and_line,
173 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
174 Adjust call to report_diagnostic, diagnostic_for_decl.
175 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
176 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
178 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
179 varaible argument list.
181 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
183 * cpphash.c: Don't include hashtab.h. Most macro-handling code
185 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
186 dump_hash_helper): Delete.
187 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
188 cpp_forall_identifiers): New. Implement specialized version of
189 Vlad's expandable hash table.
190 (cpp_lookup): Use new functions.
191 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
193 * cppmacro.c: New file.
194 * cppinit.c (dump_macros_helper): New.
195 (cpp_finish): Iterate over the identifier table directly.
196 * cpplex.c (parse_name): Calculate the hash of the identifier
197 while we scan it. Use _cpp_lookup_with_hash when we can.
199 * cpphash.h: Update prototypes.
200 (xcnewvec, HASHSTEP): New helper macros.
201 * cpplib.h: Update prototypes.
202 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
203 (cppmacro.o): New rule.
204 (cpphash.o): Update deps.
206 * cppmain.c: Do not set pfile->printer if no_output is on.
208 2000-07-15 Neil Booth <neilb@earthling.net>
210 * cpplib.c: Change all directive-handler functions to return
212 * cpphash.h: Update typedefs.
214 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
216 * configure: Regenerate.
218 * extend.texi (Extended Asm): Mention that a memory clobber
219 does not count as a side-effect.
221 * unroll.c (copy_loop_body): Fix one instance of using host
222 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
225 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
227 2000-07-17 Richard Henderson <rth@cygnus.com>
229 * config/ia64/ia64.md (movdi): Split out load address code.
230 New post-reload splitter for symbolic operands.
231 (movdi_internal): Abort if we didn't split symbolic operands
233 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
234 (ia64_reorg): Split insns when not optimizing.
235 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
237 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
239 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
240 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
242 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
244 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
246 2000-07-17 Jason Merrill <jason@redhat.com>
248 * Makefile.in (clean): Remove libgcc directory.
250 * configure.in (-Wno-long-long check): Use higher-level macros.
252 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
254 * simplify-rtx.c (simplify_binary_operation): Recognize
255 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
256 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
257 a CONST_INT, it will always be zero.
259 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
261 * loop.c (check_dbra_loop) : Return if more than one condition is
262 present to control the loop.
264 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
266 * mips.c (mips_expand_prologue): Don't calculate the last argument
267 register unless we need it. When we are calculating this, make
268 sure FUNCTION_ARG is giving us a REG.
270 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
272 * flow.c (libcall_dead_p): Use single_set to verify the insn
273 has only one set and get for analysis.
274 (propagate_one_insn): Don't pass the PATTERN of the insn.
276 2000-07-17 Mark Klein <mklein@dis.com>
278 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
280 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
282 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
283 * configure.in (TARGET_GETGROUPS_T): Evaluate.
284 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
285 of second argument of getgroups.
286 * configure, config.in: Rebuilt.
288 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
290 * simplify-rtx.c (simplify_relational_operation): Two signed
291 values with equal high words are less/greater than each other if
292 their low words are less/greater when considered as unsigned.
294 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
296 * configure.in (vax-*-openbsd): Change to new style configuration,
297 add collect2/float_format information.
298 * configure: Rebuilt.
299 * config/vax/openbsd1.h: New.
300 * config/vax/openbsd.h: New.
301 * config/vax/t-openbsd: New.
303 2000-07-17 Chip Salzenberg <chip@valinux.com>
305 * c-common.c (shorten_compare): Quiet warnings about unsigned
306 comparisons with zero when they occur in a system header.
308 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
310 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
311 update to describe current practice.
313 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
315 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
316 references to C9X. Change references to -fstd and -flang-isoc9x
319 * c-common.c (scan_char_table): Allow "z" length modifiers on
321 (check_format_info): Use TYPE_DOMAIN on the type matched against
322 for "z" formats, to retrieve the language size_t rather than the
325 * c-common.c (check_format_info): Do not make a pedantic objection
326 to the 'L' length modifier if used with a floating point type
329 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
330 constants in C99 mode.
332 2000-07-17 Kazu Hirata <kazu@hxi.com>
334 * h8300.md: Fix the format of mac.
335 (movsi_h8300hs): Output a tab after stmac instead of a space.
337 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
338 profitable adds/subs sequences.
340 * fold-const.c: Fix comment typos.
342 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
344 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
346 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
348 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
350 2000-07-16 Neil Booth <NeilB@earthling.net>
352 * cpplex.c: Update comments.
353 * README.Portability: Small update.
355 2000-07-16 Neil Booth <NeilB@earthling.net>
357 * README.Portability: Small update.
359 2000-07-15 Richard Henderson <rth@cygnus.com>
361 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
362 * config/ia64/ia64.c (ia64_move_ok): New function.
363 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
364 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
366 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
368 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
369 immediately following a paste operator.
370 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
371 (cpp_reader_init): Call it, if HOST_EBCDIC.
372 (cpp_handle_options): Do not sort option list here.
373 (handle_option): Rename to cpp_handle_option and export.
374 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
375 _cpp_get_token directly.
376 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
377 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
378 * cpplib.h: Prototype cpp_handle_option. Update prototype of
381 2000-07-15 Richard Henderson <rth@cygnus.com>
383 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
384 cast around an expression. Tidy other unsigned tests.
386 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
388 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
389 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
390 (v_message_with_decl): Rename to ...
391 (format_with_decl): ... this. Tweak
392 (diagnostic_for_decl): New function.
393 (fatal_io_error): Use verbatim in lieu of notice.
394 (announce_function): Use verbatim.
395 (default_print_error_function): Likewise.
396 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
399 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
401 * mips.c (function_arg_pass_by_reference): Don't do automatic
402 aggregate initialization.
403 (machine_dependent_reorg): Initialize variable `mode'.
405 * mips.md (absdi2): Change variable `regno1' to unsigned int.
406 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
407 conflicts with sys/param.h macro of the same name.
408 (reload_outdi): Likewise.
410 2000-07-15 Michael Meissner <meissner@redhat.com>
412 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
413 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
414 create a new node instead.
416 2000-07-15 Neil Booth <NeilB@earthling.net>
418 * README.Portability: Correct example about calling a function
419 through a pointer to function. Format wide paragraphs.
421 2000-07-15 Michael Meissner <meissner@redhat.com>
423 * README.Portability: Update integer suffixes and function
426 2000-07-15 Neil Booth <NeilB@earthling.net>
428 * README.Portability: Small update.
430 2000-07-15 Neil Booth <NeilB@earthling.net>
432 * README.Portability: New file.
434 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
436 * INSTALL: Give special instructions for building GCC on Irix 6.
437 * config/mips/x-iris6 (CC): Don't set it.
440 2000-07-14 Jason Merrill <jason@redhat.com>
442 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
443 register in the stack and later in another register, use the new
446 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
448 * config/mips/mips.md: (absdi2): Handle sign_extend for
451 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
453 * cpplib.c (do_pragma_dependency): Tidy warning messages.
455 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
457 * .cvsignore: Correct typo.
459 2000-07-13 Mark Mitchell <mark@codesourcery.com>
461 * .cvsignore: Add generated YACC files.
462 * objc/.cvsignore: New file.
464 2000-07-14 Neil Booth <NeilB@earthling.net>
466 * cpplex.c (adjust_column): New funcion.
467 (skip_whitespace): Use it.
468 (skip_block_comment): Use it, and warn about /*/* with
471 2000-07-14 Neil Booth <NeilB@earthling.net>
473 * cpphash.c (struct macro_info): Add new members.
474 (_cpp_free_definition): Delete the macro directly.
475 (count_params): Return void, with first token of
476 expansion in struct macro_info on success.
477 (parse_define): Return int. Hoist syntax checking from
478 save_macro_expansion. Leave call to save_expansion to
479 _cpp_create_definition.
480 (alloc_macro): Needs just 2 arguments.
481 (free_macro): Delete.
482 (save_expansion): Don't perform syntax check.
483 (_cpp_create_definition): Call save_expansion.
485 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
487 * genrecog.c (write_header): Split long string.
489 * cpphash.c (macro_info): Don't use the `signed' keyword.
491 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
493 2000-07-13 Jakub Jelinek <jakub@redhat.com>
495 * calls.c (stored_args_map): New variable.
496 (check_sibcall_argument_overlap_1): New.
497 (check_sibcall_argument_overlap): New.
498 (expand_call): Initialize stored_args_map.
499 Call check_sibcall_argument_overlap.
501 2000-07-13 Bruce Korb <bkorb@gnu.org>
503 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
504 (emit_gnu_type): utility procedure for gnu_type_fix
505 (gnu_type_fix): implement various pre-processor guards around
506 standard types so these types can be defined over and over
507 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
508 types alluded to above will have GNU-compliant base types
509 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
510 * fixinc/inclhack.def: add test_text entries and utilize the new
511 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
512 * fixinc/fixincl.x: regenerate
514 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
516 * diagnostic.c (vline_wrapper_message_with_location,
517 v_message_with_file_and_line, v_error_with_file_and_file,
518 v_error_for_asm, v_warning_for_asm, vfatal,
519 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
520 vsorry, verror, vwarning, vpedwarn): Remove.
521 (diagnostic_for_asm): New function.
522 (pedwarn, error, warning, pedwarn_with_file_and_line,
523 error_with_file_and_line, warning_with_file_and_line, sorry,
524 error_for_asm, warning_for_asm, fatal): Reimplement.
525 (finish_diagnostic): Clear diagnostic info as well.
527 2000-07-13 Neil Booth <NeilB@earthling.net>
529 * c-common.h (flag_digraphs): New.
530 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
531 * c-lex.c (yylex): Use flag_digraphs to decide whether to
534 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
536 * gcc.c (do_spec_1): Add new %B operator.
537 (set_input): Prepare for %B.
539 (link_command_spec): Move up with the other tm.h-
540 overrideable specs. Factor out the portion conditional on
541 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
542 (struct compiler): Just have a single spec string. All users
544 (default_compilers): Remove unnecessary braces.
545 (static_specs): Update.
547 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
549 (C and assembly specs): Use the new named specs, as appropriate.
551 * objc/lang-specs.h: Use the new named specs.
552 Remove unnecessary braces.
554 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
556 * gcc.c (execute): If a subprocess gets a fatal signal, report
557 strsignal() of the signal number, and ask for a bug report.
558 Do not do this for SIGPIPE if there's already been an error.
560 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
565 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
567 * final.c (profile_function): Do not emit profile counters in
568 the data section, if NO_PROFILE_COUNTERS is defined.
569 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
572 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
573 (FUNCTION_PROFILER): Just emit a call to mcount.
575 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
577 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
579 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
580 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
581 traditional, lang_chill, or lang_fortran.
583 * cppfiles.c: #undef strcmp to suppress warning about macros
584 used without arguments.
585 (_cpp_execute_include): Use f, not fname, in "No include path"
587 (_cpp_pop_file_buffer): New function.
588 * cpplib.c: Don't include <sys/mman.h>.
589 (cpp_push_buffer): Set line_base and lineno in new buffer.
590 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
592 * cpplex.c: Move all prototypes and structure declarations to the
593 top of the file. Properly parenthesise some macro arguments.
594 (cpp_scan_line): New function.
595 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
596 don't need to walk up the stack counting.
598 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * c-common.c (combine_strings): Emit a pedantic warning when a
601 string length is greater than the minimum ANSI C is required
604 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
606 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
607 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
609 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * c-decl.c (define_label): Warn about identifier conflicts with
612 labels in traditional C.
614 * c-parse.in (unop +): Warn about the unary plus operator for
617 * c-typeck.c (store_init_value): Warn about automatic aggregate
618 initialization for traditional C.
620 * invoke.texi (-Wtraditional): Document new warnings.
622 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
624 * Makefile.in (c-errors.o): Fix thinko in dependency.
626 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
628 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
629 -traditional, -ftraditional, or -traditional-cpp was given.
630 Do not pass -traditional to the preprocessor.
631 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
632 preprocessor does it automatically.
633 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
635 * ch/lang-specs.h: Always use tradcpp. Do not pass
636 -traditional, -trigraphs, or -pedantic to the preprocessor.
637 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
640 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
642 * cppexp.c (LOGICAL): Delete macro.
643 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
646 * cpphash.c (HASHSIZE): Increase to 4096.
647 (struct hashdummy): Add hash field.
648 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
649 the string values using memcmp.
650 (cpp_lookup): Set dummy.hash.
652 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
654 * configure.in (m88k-openbsd): Express configuration using new fragment
656 * configure: Rebuilt.
657 * m88k/aout-dbx.h: New.
658 * m88k/openbsd.h: New.
659 * m88k/xm-openbsd.h: New.
661 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
663 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
665 2000-07-12 Richard Henderson <rth@cygnus.com>
667 * reload.c (push_secondary_reload): Make sure to add the new
668 reload at the end, after acquiring secondary memory.
670 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
674 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
675 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
677 * c-parse.in (stmt): Delete unused variables.
679 * convert.c (convert_to_vector): Likewise.
681 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
683 * tree.c (finish_vector_type): Prototype.
685 2000-07-12 Bruce Korb <bkorb@gnu.org>
687 * fixinc/fixfixes.c: use xmalloc
688 * fixinc/fixincl.c(initialize): set program name for xmalloc
689 * fixinc/fixlib.c(must_malloc): obsolete
690 (is_cxx_header): no longer used - disabled
691 (skip_quote): inserted and disabled for future use
692 * fixinc/fixlib.h: reflects above
693 * fixinc/fixtests.c: removed dinkleberries
695 2000-07-12 Neil Booth <NeilB@earthling.net>
697 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
698 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
700 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
701 struct toklist_dummy): New.
702 (cpp_free_definition): Free macros with free_macro.
703 (count_params): Don't save paramter spellings. Save macro
704 information in a struct macro_info.
705 (parse_define): Don't allocate a token list.
706 (save_expansion): Allocate the macro's token list, and
707 save parameter spellings if necessary. Use TOKEN_SPELL.
708 (cpp_create_definition): Make list const.
710 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
712 * c-typeck.c (pedwarn_c99): Move to
713 * c-errors.c: ... Here.
714 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
715 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
716 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
717 (c-errors.o): List dependency.
719 2000-07-12 Mark Mitchell <mark@codesourcery.com>
722 * c-parse.h: Likewise.
723 * c-parse.y: Likewise.
724 * objc/objc-parse.c: Likewise.
725 * objc/objc-pasre.y: Likewise.
727 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
729 * gcc.texi: Fix minor typos
730 * extend.texi: Fix minor typos
732 2000-07-11 Marc Espie <espie@openbsd.org>
734 * collect2.c (main): Recognize .lo as object files.
736 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
738 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
741 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
742 with MAP_ANONYMOUS and MAP_ANON.
743 * configure, config.in: Rebuilt.
745 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
747 * diagnostic.c (save_output_state): Remove.
748 (restore_output_state): Likewise.
749 (clear_text_info): New function.
750 (clear_diagnostic_info): Likewise.
751 (output_text_length, is_starting_newline, output_prefix,
752 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
753 prefixing_policy, output_buffer_ptr_to_format_args): New macros
754 (set_real_maximum_length, output_set_maximum_length,
755 output_set_prefix, output_get_prefix, output_set_maximum_length,
756 output_destroy_prefix, init_output_buffer,
757 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
758 output_add_newline, output_add_character, output_add_space,
759 output_append_r, output_append, wrap_text, output_format,
760 output_do_printf, output_printf, output_do_verbatim,
761 output_verbatim, verbatim): Use them.
762 (output_clear): Split into cleat_text_info and
763 clear_diagnostic_info.
764 (struct output_state): Move to...
766 * diagnostic.h: ...Here
767 (struct output_buffer): Adjust.
769 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
771 * cpplex.c (parse_name): No longer inline (premature optimization).
772 (do_pop_context): Fold into pop_context.
773 (pop_context): Returns int.
774 (lex_next): Hoist test for end of directive into pop_context.
775 (push_macro_context): Returns int; takes just reader and token.
776 Hoist test for excessive nesting to caller.
777 (push_arg_context): Returns void; takes just reader and token.
778 Do not call stringify_arg or get_raw_token.
779 (get_raw_token): Convert tail recursion through push_arg_context
780 to a loop at this level. Call stringify_arg here if appropriate.
781 (maybe_paste_with_next): Convert tail recursion to a while loop.
782 Hoist test of paste_level to caller.
784 (stringify_arg): Push arg context at beginning.
785 (cpp_get_token): Split out core into _cpp_get_token. Call
786 process_directive here. Throw away CPP_PLACEMARKER tokens.
787 (_cpp_get_token): Convert tail recursion through
788 push_macro_context to a loop at this level.
789 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
790 _cpp_get_raw_token): Use _cpp_get_token.
791 (_cpp_skip_rest_of_line): Drop the context stack directly; do
792 not call pop_context.
793 (_cpp_run_directive): Call lex_next directly.
795 * cpphash.h: Prototype _cpp_get_token.
796 * cppexp.c (lex): Use it.
797 * cpphash.c (parse_define): Use it.
798 * cpplib.c (get_define_node, do_undef, parse_include,
799 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
800 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
801 parse_ifdef, validate_else): Use it.
802 (cpp_push_buffer): Tweak error message; abort if anyone tries
803 to push a buffer while macro expansions are stacked.
805 2000-07-11 Donn Terry <donnte@microsoft.com>
807 * cpplex.c (free_macro_args, save_token): Cast arg of free
808 and/or xrealloc to PTR.
809 (_cpp_init_input_buffer): Clear all fields of the base context.
811 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
813 * gensupport.c (process_rtx): Make rtl checking stop
814 complaining about the define_insn while it is being
815 converted from a define_insn_and_split.
817 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
819 * config/mips/mips.c (simple_memory_operand): Access the
820 INTVAL of the address, not it's containing MEM.
822 2000-07-11 Bruce Korb <bkorb@gnu.org>
824 * fixinc/fixtests.c(double_slash): obsolete
825 (else_endif_label): likewise
826 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
827 (libc1_ifdefd_memx): correct initial comment
828 and omit the #if/#endif pair from the memxxx declarations
829 * fixinc/fixincl.x: regen
831 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
833 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
835 2000-07-11 Neil Booth <NeilB@earthling.net>
839 2000-07-11 Neil Booth <NeilB@earthling.net>
841 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
842 (handle_option): Set digraphs according to standard.
843 Merge OPT_lang_c89 handler with OPT_std_c89.
845 * cpplex.c: (lex_line, can_paste): Honour digraphs in
846 accordance with the digraphs flag.
848 * cpplib.h: (struct cpp_options): New option digraphs.
850 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
851 Bruce Korb <bkorb@gnu.org>
853 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
854 * fixinc/fixincl.x: Regenerate.
855 * fixinc/tests/base/testing.h: Add testcase.
857 2000-07-10 Richard Henderson <rth@cygnus.com>
859 * config/ia64/ia64.c (got_symbolic_operand): New.
860 (symbolic_operand, move_operand): Revert 0701 change.
861 * config/ia64/ia64.h (PREDICATE_CODES): Update.
862 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
863 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
864 split the offset into a 14-bit low part instead of a 13-bit low part.
865 (load_fptr): Mark the mem as unchanging.
866 (load_symptr): Use got_symbolic_operand.
868 2000-07-10 Nick Clifton <nickc@cygnus.com>
870 * libgcc2.c (next_stack_level): Cast result of computation to
871 (void **) so that the assignment does not generate a warning.
873 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
875 * flags.h : Add new variable flag_single_precision_constant.
876 * toplev.c (display_help) : Add -fsingle-precision-constant option.
877 (flag_single_precision_constant): New.
878 * c-lex.c (yylex): Convert floating point constant to single
880 * invoke.texi : Add documentation for this new option.
882 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
884 * diagnostic.c (output_octal): Second parameter is unsigned.
885 (output_long_octal): Likewise.
886 (output_hexadecimal): Likewise.
887 (output_long_hexadecimal): Likewise.
888 (output_format): Adjust arguments extraction. Tweak.
889 (output_verbatim, verbatim): End variable argument list.
890 (report_diagnostic): Improve documentation.
892 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
894 * c-common.h (build_stmt): Declare.
895 (build_continue_stmt): Likewise.
896 (build_break_stmt): Likewise.
897 (build_return_stmt): Likewise.
899 * c-decl.c (do_case): Rewrite to do what previously done in
902 * c-semantics.c (build_stmt): Define.
903 (build_return_stmt): Likewise.
904 (build_break_stmt): Likewise.
905 (build_continue_stmt): Likewise.
906 (build_case_label): Likewise.
908 * c-parse.in (BREAK): Change to build tree, then generate RTL.
909 (CONTINUE): Likewise.
914 * c-parse.y: Regenerate.
915 * c-pasre.c: Likewise.
917 2000-07-09 Jason Merrill <jason@redhat.com>
919 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
921 * tree.h (STRIP_NOPS): Check for error_mark_node.
922 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
923 (dwarf2out_*): Remove duplicate declarations.
925 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
926 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
928 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
930 * diagnostic.c (wrap_text): New function.
931 (maybe_wrap_text): Likewise.
932 (output_add_string): Use it.
933 (output_format): Likewise.
934 (count_error): Use verbatim instead of notice.
935 (report_error_function): Likewise. Don't use plain fprintf.
936 (finish_diagnostic): New function.
937 (output_do_verbatim): Tweak. Commonalize functionalities in
938 output_verbatim and verbatim.
939 (output_verbatim): Adjust.
940 (verbatim): Likewise.
941 (report_diagnostic): Define.
943 * diagnostic.h (report_diagnostic): Prototype.
945 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
947 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
949 2000-07-09 Neil Booth <NeilB@earthling.net>
951 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
952 IShspace, ISspace: Update.
954 * cppinit.c: ISTABLE: Update.
957 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
958 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
959 (skip_block_comment, skip_line_comment, parse_string,
960 lex_line): Use is_vspace rather than IS_NEWLINE.
961 (skip_whitespace, lex_line): Clean up to use is_nvspace.
962 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
964 (lex_next): Unconditionally stop if within a directive.
965 Treat directives within macro invocations as directives
966 (after parse_args emits error), not as the argument.
968 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
970 * diagnostic.c (diagnostic_args): New macro.
971 (diagnostic_msg): Likewise.
972 (output_formatted_integer): Likewise.
973 (output_state): New data type.
974 (digit_buffer): Make global.
975 (output_add_integer): Rename to output_decimal. Squeeze
977 (output_long_decimal, output_unsigned_decimal,
978 output_long_unsigned_decimal, output_octal, output_long_octal,
979 output_hexadecimal, output_long_hexadecimal): New functions.
980 (output_append_r): New function.
981 (output_append): Tweak.
982 (output_flush_on): Rename to output_to_stream.
983 (output_format): Change prototype. Improve documentation. Handle
984 more format specifiers.
985 (build_location_prefix): Rename to context_as_prefix.
986 (output_notice): Rename to output_do_printf.
987 (output_printf): Tweak.
988 (line_wrapper_printf): Likewise.
989 (vline_wrapper_message_with_location): Adjust call to renamed
991 (v_message_with_decl): Likewise.
992 (default_print_error_function): Likewise.
993 (save_output_state): New function.
994 (restore_output_state): Likewise.
995 (output_do_verbatim): Likewise.
996 (output_verbatim): Define.
997 (verbatim): Likewise.
999 * diagnostic.h (printer_fn): Change return type from void to int.
1000 Improve documentation.
1001 (output_add_integer): Rename to output_decimal.
1002 (output_flush_on, output_format): Don't export.
1003 (output_verbatim, verbatim): Declare.
1005 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
1007 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
1008 Check whether c divides op1 exactly if operation is not
1011 2000-07-08 Richard Henderson <rth@cygnus.com>
1013 * final.c (final): Do not abort when reg-stack introduces
1016 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
1018 * cpplib.h (struct cpp_name): Now struct cpp_string.
1019 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
1020 CPP_HEADER_NAME): Change to type S.
1021 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
1022 field, a cpp_hashnode *. All references to val.name updated
1023 to use val.str or val.node as appropriate.
1024 (struct cpp_reader): Add spec_nodes field.
1025 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
1027 * cpphash.h (struct spec_nodes): New.
1028 (enum spell_type): Reorder. Only SPELL_STRING tokens use
1029 val.str. All references to 'spelling > SPELL_NONE' updated to
1032 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
1033 pfile->buffer->inc are not NULL before dereferencing them.
1035 * cpplex.c (parse_name): Take a pointer to the current token,
1036 plus current position and limit as args; return the new
1037 position; don't copy the text of a name into the string
1038 buffer, instead call cpp_lookup and store the node pointer.
1039 If extending a token, copy out the text of the old into a
1040 scratch buffer, append the new, look that up and store the new
1041 node pointer. Inline.
1042 (maybe_paste_with_next): If the result of paste is a NAME,
1043 then look up the pasted text and store its node pointer.
1044 (lex_line): Adjust for new parse_name interface.
1045 Check for L"str", L'str' using spec_nodes->n_L.
1046 (spell_token): SPELL_IDENT tokens have their spelling in
1047 val.node->name. Handle SPELL_STRING tokens that don't have
1049 (_cpp_expand_name_space,
1050 (can_paste): Check for L ## "str" using spec_nodes->n_L.
1051 (cpp_get_token, special_symbol): No need to call cpp_lookup.
1052 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
1053 return 1=equal 0=not, not a tristate.
1055 * cpphash.c (var_args_str): Delete.
1056 (find_param): Compare node fields directly.
1057 (is__va_args__): Use CPP_PEDANTIC. Just compare
1058 token->val.node with spec_nodes->n__VA_ARGS__.
1059 (dump_funlike_macro): Don't use var_args_str.
1061 * cpplib.c (_cpp_check_directive): Just walk through
1062 spec_nodes->dirs comparing pointers.
1063 (get_define_node, do_pragma_poison, detect_if_not_defined,
1064 parse_ifdef): The identifier has already been looked up.
1065 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
1067 (do_if): Only call detect_if_not_defined at beginning of file.
1068 (_cpp_parse_assertion): Only copy string pointers for
1069 SPELL_STRING tokens.
1070 (pragma_dispatch): Take a node pointer and examine its name
1072 (_cpp_init_stacks): Also initialize the spec_nodes structure.
1074 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
1076 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
1077 reverse order from the corresponding _cpp_init_* routines.
1079 * cppexp.c (parse_number, parse_charconst, parse_defined,
1080 lex): Check val.node->type instead of calling cpp_defined.
1081 Use spec_nodes entries where appropriate.
1083 * fix-header.c, scan-decls.c: Update for interface changes.
1085 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
1087 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
1088 emitting aux_truncdfsf2.
1090 2000-07-03 Donn Terry (donnte@microsoft.com)
1092 * cppinit.c (print_help): split overlong line into ISO C89
1095 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1097 * cppexp.c: Update all code for new lexer interface.
1098 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
1099 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
1100 * cpplex.c (token_names): Trim leading CPP_ from names; make
1101 the strings unsigned.
1102 (_cpp_spell_operator): New.
1103 (is_macro_disabled): Disable all macros if rescanning
1105 (_cpp_get_directive_token): Remove.
1107 * cppinit.c: Don't set no_macro_expand.
1108 * cpplib.c (read_line_number, do_line): Check only for EOF,
1110 * cpphash.h: Update prototypes.
1111 * cpplib.h (CPP_VSPACE): Remove.
1112 (struct cpp_reader): Remove no_macro_expand.
1114 2000-07-08 Neil Booth <NeilB@earthling.net>
1116 * cpphash.c (is__va_args__): New function.
1117 (count_params): Fix line reported in error messages. Use
1118 is__va_args__. Don't return ')' on error. Flag GNU style
1119 rest args macro definitions.
1120 (parse_define): Check macro name is not __VA_ARGS__.
1121 (save_expansion): Check identifier in non-varargs-macro is
1122 not __VA_ARGS__. Don't flag GNU_VARARGS.
1123 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1124 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1125 than per-token GNU_VARARGS.
1126 * cpplib.h (GNU_VARARGS): Remove.
1127 (GNU_REST_ARGS): New.
1129 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1131 * i386.md (call_pop, call, call_value_pop): Do not set
1132 current_function_uses_pic_offset_table for calls to static
1133 functions or indirect calls.
1135 2000-07-07 Jim Wilson <wilson@cygnus.com>
1137 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1138 is_predicate_reg, then take max write_count of register pair.
1140 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * tradcpp.c (main): Rename label `include' to `add_include' to
1143 avoid conflicts with variable `include' in traditional C.
1145 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1147 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1149 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1151 * sibcall.c (uses_addressof): Add INMEM argument, check for
1152 current_function_internal_arg_pointer outside of MEM rtxs in addition
1154 (sequence_uses_addressof): Update caller.
1156 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1158 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1161 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1163 * system.h (UNION_INIT_ZERO): New macro for initializing union
1166 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1168 2000-07-07 Neil Booth <NeilB@earthling.net>
1172 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1174 * final.c (final): Detect out of bounds array access to
1175 the insn_lengths array.
1177 2000-07-07 Kazu Hirata <kazu@hxi.com>
1179 * fold-const.c (fold): Fix a comment typo.
1181 2000-07-07 Neil Booth <NeilB@earthling.net>
1183 * cpp.texi: Update to new lexer.
1185 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1187 * tradcpp.c: New file.
1188 * tradcif.y: New file.
1189 * tradcif.c: New generated file.
1191 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1192 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1193 dependencies of C. Install tradcpp from install-common, in
1196 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1198 * cppinit.c: Include cppdefault.h. Refer to
1199 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1200 to GCC_INCLUDE_DIR and its length.
1201 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1202 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1203 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1205 (include_defaults_array): Move to cppdefault.c.
1207 * cppdefault.h: New file.
1208 * cppdefault.c: New file.
1210 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1211 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1212 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1215 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1217 * reload.c (push_reload): When seeing if can reuse a register,
1218 check extra registers against widest of INMODE and OUTMODE.
1220 2000-07-06 Neil Booth <NeilB@earthling.net>
1222 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1223 based on full length of predicate.
1225 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1227 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1228 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1230 2000-07-05 Kazu Hirata <kazu@hxi.com>
1232 * h8300-proto.h: Fix formatting.
1233 * h8300.c: Likewise.
1234 * h8300.h: Likewise.
1236 2000-07-05 Jim Wilson <wilson@cygnus.com>
1238 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1241 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1243 * invoke.texi: Fix minor typos
1244 * md.texi: Fix minor typos
1246 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1248 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1250 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1252 * cpplex.c: Don't include sys/mman.h.
1253 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1255 * cpplib.c: Include sys/mman.h and obstack.h.
1256 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1258 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1259 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1260 bother freeing if stack entries (they will be freed with their buffer).
1261 (do_endif): Free if stack entries from the buffer obstack.
1262 (push_conditional): Allocate if stack entries from the buffer obstack.
1264 (find_answer): Rename to _cpp_find_answer.
1265 (do_assert, do_unassert): Update.
1267 * cpphash.h: Update prototypes.
1268 (xobnew): New convenience macro.
1269 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1271 (struct cpp_hashnode): Remove disabled field.
1273 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1274 (report_missing_guard): Moved to cppfiles.c.
1275 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1277 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1278 cpp_cleanup_includes. Don't destroy hashtab or
1279 all_include_files here.
1280 (cpp_finish): Use _cpp_report_missing_guards.
1282 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1283 (_cpp_init_include_table): Rename _cpp_init_includes.
1284 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1286 * cppexp.c (parse_assertion): Update for new name of
1289 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1291 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1293 * cpplib.c (do_ident): s/VSPACE/EOF/
1295 2000-07-05 Neil Booth <NeilB@earthling.net>
1297 * cpplex.c: Fix trigraph replacement within strings.
1299 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1301 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1303 * xcoffout.c (assign_type_number): Constify.
1304 (xcoffout_source_file): Add static prototype. Don't needlessly
1305 cast away const-ness.
1307 2000-07-04 Jason Merrill <jason@redhat.com>
1309 * frame.h (frame_state): Move base_offset to end.
1311 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1313 * calls.c (emit_library_call_value_1): Revert previous change.
1315 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1317 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1318 (recognized_extern, recognized_function, read_scan_file):
1319 Update for new scheme.
1320 (check_protection): It's still a multiple include guard even
1321 if it doesn't always trigger.
1322 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1324 * scan.h: Declare struct cpp_token. Update prototypes.
1326 2000-07-03 Neil Booth <neilb@earthling.net>
1327 Zack Weinberg <zack@wolery.cumb.org>
1329 Complete overhaul of the lexer and macro expander.
1331 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1332 arg, arglist, argdata, reflist, collect_objlike_expansion,
1333 collect_funlike_expansion, collect_params,
1334 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1335 unsafe_chars, macarg, compare_defs, special_symbol,
1336 scan_arguments, stringify, funlike_macroexpand,
1337 _cpp_quote_string, monthnames): Delete.
1338 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1339 _cpp_create_definition, _cpp_dump_definition,
1340 dump_hash_helper): Adjust.
1341 (find_param, count_params, parse_define, var_args_str,
1342 check_macro_redefinition, save_expansion): New.
1344 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1345 parse_string, output_line_command, trigraph_replace,
1346 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1347 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1348 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1349 _cpp_skip_rest_of_line): Modify.
1351 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1352 find_position, null_warning, bump_column, expand_name_space,
1353 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1354 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1355 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1356 _cpp_prescan): Delete.
1358 (dump_param_spelling, process_directive, lex_next,
1359 is_macro_disabled, stringify_arg, expand_context_stack,
1360 output_token, make_string_token, alloc_number_token,
1361 special_symbol, duplicate_token, maybe_paste_with_next,
1362 can_paste, prevent_macro_expansion, restore_macro_expansion,
1363 get_temp_token, release_temp_tokens, quote_string,
1364 token_names, token_spellings, _cpp_expand_name_space,
1365 _cpp_glue_header_name, _cpp_reserve_name_space,
1366 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1367 placemarker_token, eof_token, cpp_context, macro_args,
1368 get_raw_token, parse_arg, parse_args, save_token,
1369 push_arg_context, push_macro_context, pop_context,
1370 do_pop_context, free_macro_args, _cpp_get_line,
1371 _cpp_run_directive): New.
1373 * cpplib.c (validate_else, parse_include, push_conditional,
1374 pass_thru_directive, read_line_number, parse_ifdef,
1375 detect_if_not_defined, _cpp_check_directive, do_define,
1376 do_undef, do_include, do_import, do_include_next, do_error,
1377 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1378 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1379 do_pragma_poison, do_pragma_system_header,
1380 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1381 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1382 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1383 cpp_defined): Update for new scheme.
1384 (strtoul_for_line, get_define_node, dump_macro_name,
1385 _cpp_check_linemarker, _cpp_parse_assertion): New.
1386 (_cpp_handle_directive, do_pragma_default): Delete.
1388 * cpphash.h (struct predicate): Now struct answer.
1389 (enum spell_type, struct token_spelling, struct directive,
1390 directive_handler): New.
1391 Update prototypes. Remove unused macros.
1392 * cpplib.h: Update prototypes. Remove unused macros,
1393 structure definitions, and fields.
1395 * cpperror.c (print_containing_files, v_message): Adjust.
1396 * cppexp.c (parse_assertion, lex, parse_escape,
1397 _cpp_parse_expr): Adjust.
1398 * cppfiles.c (open_include_file, _cpp_execute_include,
1399 _cpp_compare_file_date, cpp_read_file, read_include_file):
1401 * cppinit.c (dump_special_to_buffer): Delete.
1402 (append_include_chain, merge_include_chains, cpp_reader_init,
1403 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1404 cpp_finish, handle_option, print_help): Adjust.
1405 * cppmain.c (main): Adjust.
1407 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1409 * cppspec.c (lang_specific_driver): Use double quotes in error
1412 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1414 * calls.c (emit_library_call_value_1): Use valreg instead
1415 of hard_libcall_value.
1417 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1419 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1420 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1421 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1429 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1430 mode instead of wider_mode is being used.
1432 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1434 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1435 of 'r'. Use q_regs_operand.
1436 (andsi_1+2): Use q_regs_operand.
1438 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1440 * builtins.c (get_memory_rtx): Always put into alias set 0.
1442 2000-07-03 Nick Clifton <nickc@cygnus.com>
1444 * config/arm/arm.md: Fix post increment and pre increment
1445 peepholes so that they do not generate UNPREDICATBLE opcodes.
1446 (ie ones where the increment clobbers the source/destination).
1448 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1450 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1451 change too big for -mtiny-stack" a warning, if larger than 63.
1452 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1453 always safe to use on possible future devices.
1454 (function_prologue): Write SPH before SPL, for consistency.
1455 If interrupt_func_p true, we know we have enabled interrupts.
1456 (avr_num_arg_regs): New function. Round up to even number of
1457 bytes if no -mpack-args or if calling a libgcc function.
1458 (function_arg, function_arg_advance): Use it.
1459 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1460 Output "movw" if available.
1461 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1462 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1463 (asm_output_section_name): Add blanks for consistent output.
1464 (encode_section_info): Set TREE_READONLY for progmem data to
1465 avoid gas warnings about changed section attributes.
1466 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1467 even numbered registers on devices with "movw".
1468 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1469 (TARGET_SWITCHES): Mark help strings for translation.
1470 Add new -mpack-args and -menhanced switches.
1471 (TARGET_OPTIONS): Mark help strings for translation.
1472 (progmem_section): Add section attributes.
1473 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1474 Output "movw" if available.
1475 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1477 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1478 call convention (arguments aligned on even registers).
1479 (_cleanup, _exit): Make weak symbols libc can override.
1481 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1483 * fp-bit.h: New file.
1485 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1486 Comment #endif statements.
1487 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1489 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1491 * gcse.c (compute_pre_data): Compute ae_kill using other local
1492 properties instead of calling compute_ae_kill.
1494 * alias.c (init_alias_analysis): Do not call
1495 prologue_epilogue_contains until after reload has completed.
1497 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1499 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1500 (genrtl_finish_compound_stmt): Likewise.
1501 (genrtl_compound_stmt): Change to return void.
1503 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1504 move code from here to ...
1505 (genrtl_compound_stmt): ... here.
1506 (genrtl_finish_compound_stmt): Remove.
1507 (expand_stmt): Add comment.
1509 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1511 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1514 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1516 * cpplib.h (struct cpp_reader): New field include_depth.
1517 (struct cpp_printer): Rename last_bsd to last_id.
1518 * cppfiles.c (read_include_file): Bump include_depth.
1519 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1520 (output_line_command): Output correct #line if a header
1521 is including itself and is not protected against multiple inclusion.
1522 Use include_depth instead of buffer_stack_depth, last_id instead of
1524 * cppinit.c (cpp_start_read): Initialize last_id instead of
1527 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1529 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1530 (c-semantics.o): New target.
1532 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1533 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1534 (genrtl_clear_out_block): Likewise.
1535 (genrtl_goto_stmt): Likewise.
1536 (genrtl_expr_stmt): Likewise.
1537 (genrtl_decl_stmt): Likewise.
1538 (genrtl_if_stmt): Likewise.
1539 (genrtl_while_stmt): Likewise.
1540 (genrtl_do_stmt): Likewise.
1541 (genrtl_return_stmt): Likewise.
1542 (genrtl_for_stmt): Likewise.
1543 (genrtl_break_stmt): Likewise.
1544 (genrtl_continue_stmt): Likewise.
1545 (genrtl_scope_stmt): Likewise.
1546 (genrtl_switch_stmt): Likewise.
1547 (genrtl_case_label): Likewise.
1548 (genrtl_begin_compound_stmt): Likewise.
1549 (gerntl_finish_compound_stmt): Likewise.
1550 (genrtl_compound_stmt): Likewise.
1551 (genrtl_asm_stmt): Likewise.
1552 (genrtl_decl_cleanup): Likewise.
1553 (DECL_ANON_UNION_ELEMS): Likewise.
1554 (emit_local_var): Likewise.
1555 (make_rtl_for_local_static): Likewise.
1556 (expand_cond): Likewise.
1557 (expand_stmt): Likewise.
1558 (c_expand_return): Likewise.
1559 (c_expand_start_case): Likewise.
1560 (do_case): Likewise.
1561 (COMPOUND_STMT_NO_SCOPE): Likewise.
1562 (c_expand_asm_operands): Likewise.
1563 (NEW_FOR_SCOPE_P): New macro.
1564 (expand_expr_stmt_fn): New type.
1566 (set_current_function_name_declared): Likewise.
1567 (current_function_name_declared): Likewise.
1568 (lang_expand_stmt): Likewise.
1569 (stmts_are_full_exprs_p): Likewise.
1570 (anon_aggr_type_p): Likewise.
1571 (lang_expand_expr_stmt): Likewise.
1572 (build_case_label): Likewise.
1574 * c-decl.c (lang_expand_expr_stmt): Initialize.
1575 (stmts_are_full_exprs_p): Define.
1576 (current_function_name_declared): Likewise.
1577 (do_case): Likewise.
1578 (lang_expand_stmt): Likewise.
1579 (set_current_function_name_declared): Likewise.
1580 (anon_aggr_type_p): Likewise.
1582 * c-semantics.c: New file.
1583 (expand_cond): Moved from cp/semantics.c.
1584 (genrtl_do_pushlevel): Likewise.
1585 (genrtl_clear_out_block): Likewise.
1586 (genrtl_goto_stmt): Likewise.
1587 (genrtl_expr_stmt): Likewise.
1588 (genrtl_decl_stmt): Likewise.
1589 (genrtl_if_stmt): Likewise.
1590 (genrtl_while_stmt): Likewise.
1591 (genrtl_do_stmt): Likewise.
1592 (genrtl_return_stmt): Likewise.
1593 (genrtl_for_stmt): Likewise.
1594 (genrtl_break_stmt): Likewise.
1595 (genrtl_continue_stmt): Likewise.
1596 (genrtl_scope_stmt): Likewise.
1597 (genrtl_switch_stmt): Likewise.
1598 (genrtl_case_label): Likewise.
1599 (genrtl_begin_compound_stmt): Likewise.
1600 (genrtl_finish_compound_stmt): Likewise.
1601 (genrtl_compound_stmt): Likewise.
1602 (genrtl_asm_stmt): Likewise.
1603 (genrtl_decl_cleanup): Likewise.
1604 (make_rtl_for_local_static): Moved from cp/decl.c.
1605 (emit_local_var): Likewise.
1606 (expand_stmt): Define.
1608 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1609 (c_expand_return): Likewise.
1610 (c_expand_start_case): Likewise.
1612 2000-07-01 Richard Henderson <rth@cygnus.com>
1614 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1615 with the low 13 bits set.
1616 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1617 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1618 of the low 13 bits into a CONST plus an adddi3.
1619 (load_symptr): Set RTX_UNCHANGING_P.
1621 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1623 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1624 * c-common.c (ridpointers): Declare.
1625 * c-common.h (enum rid): Declare.
1627 (ridpointers): Likewise.
1628 * c-lex.c (ridpointers): Don't declare.
1629 (init_lex): Initialize ridpointers.
1630 * c-lex.h (enum rid): Don't declare.
1632 (RID_FIRST_MODIFIER): Likewise.
1633 (ridpointers): Likewise.
1635 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1637 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1640 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1642 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1645 2000-06-30 Catherine Moore <clm@cygnus.com>
1647 * c-common.c (decl_attributes): Differentiate between
1648 types and type decls for alignment.
1650 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1652 * cpp.texi: Document #pragma GCC dependency
1653 * cppfiles.c (open_include_file): Set date to unknown.
1654 (_cpp_compare_file_date): New function.
1655 (read_include_file): Set file date.
1656 * cpphash.h (struct include_file): Add date member.
1657 (_cpp_compare_file_date): Prototype.
1658 * cpplib.c (parse_include): Add trail parameter. Adjust.
1659 (do_include): Adjust parse_include call.
1660 (do_import): Likewise.
1661 (do_include_next): Likewise.
1662 (gcc_pragmas): Add dependency pragma.
1663 (do_pragma_dependancy): New pragma.
1665 2000-06-29 Jason Merrill <jason@redhat.com>
1667 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1670 2000-06-29 Jim Wilson <wilson@cygnus.com>
1672 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1673 a volatile mem and FR_REGS.
1675 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1677 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1678 * c-common.h (flag_const_strings): Declare.
1679 (warn_format): Likewise.
1680 (flag_traditional): Likewise.
1681 (flag_isoc99): Likewise.
1682 (warn_parentheses): Likewise.
1683 (warn_conversion): Likewise.
1684 (C_TYPE_OBJECT_P): Likewise.
1685 (C_TYPE_INCOMPLETE_P): Likewise.
1686 (C_TYPE_FUNCTION_P): Likewise.
1687 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1688 (C_EXP_ORIGINAL_CODE): Likewise.
1689 (build_unary_op): Likewise.
1690 (build_binary_op): Likewise.
1691 (lvalue_p): Likewise.
1692 (default_conversion): Likewise.
1693 (common_type): Likewise.
1694 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1695 (C_TYPE_INCOMPLETE_P): Likewise.
1696 (C_TYPE_FUNCTION_P): Likewise.
1697 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1698 (C_EXP_ORIGINAL_CODE): Likewise.
1699 (common_type): Likewise.
1700 (default_conversion): Likewise.
1701 (build_binary_op): Likewise.
1702 (build_unary_op): Likewise.
1703 (lvalue_p): Likewise.
1704 (flag_const_strings): Likewise.
1705 (warn_format): Likewise.
1706 (warn_conversion): Likewise.
1707 (flag_traditional): Likewise.
1708 (flag_isoc99): Likewise.
1709 (warn_parentheses): Likewise.
1711 2000-06-29 James E. Wilson <wilson@cygnus.com>
1713 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1715 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1716 same. Only tie XFmode with XFmode.
1718 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1720 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1721 * Makefile.in: Update deps.
1723 2000-06-29 Andrew Haley <aph@cygnus.com>
1725 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1728 2000-06-29 Andrew Haley <aph@cygnus.com>
1730 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1731 bytes: remove the multiply by 8.
1733 2000-06-29 Philipp Thomas <pthomas@suse.de>
1735 * rtl.c : Revert NLS changes.
1736 * gcc.c : Fix bug in display_help introced by my last changes.
1738 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1740 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1741 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1743 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1745 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1747 2000-06-28 Philipp Thomas <pthomas@suse.de>
1749 * c-decl.c : Mark strings for translation.
1750 (parmlist_tags_warning): Use distinct messages instead
1751 of conditional expressions.
1752 * diagnostic.c (v_message_with_decl): Mark string for translation.
1753 * gcc.c: Mark messages for translation.
1754 (display_help): Combine messages into one string where necessary.
1755 * mips-tfile: Add intl.h. Mark messages for translation.
1756 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1757 messages for translation.
1758 * timevar.c: Mark messages for translation.
1759 * tlink.c: Likewise.
1760 * toplev.c: Likewise.
1762 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1764 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1766 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1767 use -isystem instead of -idirafter.
1768 * i386/i386-interix.h: Likewise.
1770 2000-06-28 Jason Merrill <jason@redhat.com>
1772 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1773 unless DWARF2_DEBUGGING_INFO is defined.
1774 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1776 2000-06-28 Richard Henderson <rth@cygnus.com>
1778 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1780 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1782 * cpplex.c (output_line_command): Output correct #line if a header
1783 is including itself and is not protected against multiple inclusion.
1785 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1787 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1788 ENFILE, close all cached file descriptors and try again.
1789 (_cpp_execute_include): Keep a count of the number of times
1790 each header is included.
1791 (close_cached_fd): New function.
1792 * cpphash.h (struct include_file): Rename before to
1793 include_count; all users updated. Make include_count and sysp
1795 * cppinit.c (cpp_finish): If -H, report headers that could use
1797 (report_missing_guard): New function.
1799 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1801 * i386.md (prologue_set_got): Set length_immediate field.
1802 (testqi_ccno_1): Add missing '@' character.
1804 2000-06-27 Jason Merrill <jason@redhat.com>
1806 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1809 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1811 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1812 unsigned macros available.
1814 2000-06-27 Richard Henderson <rth@cygnus.com>
1816 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1817 epilogue_deallocate_stack.
1819 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1820 completers for UNORDERED and ORDERED as well.
1821 * config/ia64/ia64.md (bunordered, bordered): New.
1822 (sunordered, sordered): New.
1824 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1826 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1827 * i386.c (ix86_attr_length_default): Kill.
1828 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1830 * i386-protos.h (ix86_attr_length_default): Kill
1831 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1833 * i386.md (attribute type): Add "test".
1834 (attribute length_prefix): Kill.
1835 (attribute length_opcode): Kill.
1836 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1837 prefix_rep, prefix_0f, modrm): New.
1838 (attribute length): Compute using the new attributes.
1839 (attribute pent_prefix): New.
1840 (attribute pent_pair): Compute using pent_prefix.
1841 (all insn patterns): Set mode,modrm and immediate_length attributes where
1843 (cmpsi patterns): Compute sizes propertly for test instruction.
1844 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1845 (movstricthi_xor, movstrictqi_xor): New patterns.
1846 (andsi/andhi): Use splitters to generate xor instructions.
1847 (xorqi_ext_1): New pattern.
1848 (movstricthi->movstricthi_xor peep2): New.
1850 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1852 * i386.md (addqi_low_1): Remove.
1854 2000-06-27 Philipp Thomas <pthomas@suse.de>
1856 * 1750a.h: Mark help strings for options/switches for translation.
1858 * alpha.h: Likewise.
1861 * riscix.h: Likewise.
1863 * clipper.h: Likewise.
1864 * convex.h: Likewise.
1865 * elxsi.h: Likewise.
1868 * h8300.h: Likewise.
1870 * cygwin.h: Likewise.
1872 * djgpp.h: Likewise.
1874 * osf1elf.h: Likewise.
1875 * osfrose.h: Likewise.
1877 * win32.h: Likewise.
1879 * paragon.h: Likewise.
1883 * mcore.h: Likewise.
1885 * mn10300.h: Likewise.
1886 * ns32k.h: Likewise.
1887 * pdp11.h: Likewise.
1890 * aix41.h: Likewise.
1891 * aix43.h: Likewise.
1893 * rs6000.h: Likewise.
1894 * sysv4.h: Likewise.
1895 * linux.h: Likewise.
1896 * linux64.h: Likewise.
1897 * sp64-elf.h: Likewise.
1898 * sparc.h: Likewise.
1899 * splet.h: Likewise.
1901 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1903 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1904 Properly document option and mark for translation.
1905 * sp86x-elf.h: Likewise.
1907 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1909 Add MMX and SSE registers to i386 machine description.
1910 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1911 ix86_local_alignment): Declare.
1913 * i386.h (TARGET_MMX, TARGET_SSE): New.
1914 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1915 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1916 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1917 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1918 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1919 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1920 (RETURN_IN_MEMORY): Handle MMX/SSE.
1921 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1922 also get stack space.
1923 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1924 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1925 (MMX_REGISTER_NAMES): New.
1926 (ALIGN_MODE_128): New macro.
1927 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1928 (DATA_ALIGNMENT): Likewise.
1929 (LOCAL_ALIGNMENT): Likewise.
1930 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1931 TARGET_MMX/TARGET_SSE.
1932 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1933 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1934 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
1935 SSE/MMX regs and something else.
1936 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
1937 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
1938 3 if moving between MMX regs and something else.
1940 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
1941 (regclass_map): Add MMX/SSE registers.
1942 (print_operand): Add code to print XMMWORD as appropriate.
1943 (ix86_split_movdi): Abort for MMX regs.
1944 (init_cumulative_args): Also allow SSE_REGS
1945 (function_arg_advance, function_arg): Likewise
1946 (print_reg): Support 'm'. Add case for TImode.
1947 (override_options): TARGET_SSE implies TARGET_MMX.
1948 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
1951 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
1953 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
1955 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
1956 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
1958 2000-06-26 Geoff Keating <geoffk@cygnus.com>
1960 * ssa.c (struct rename_set_data): Change the name of field
1961 'set_dest' to 'old_reg'. Add comments.
1962 (struct rename_context): Change the name of 'set_data' to
1963 'new_renames'. Add new field 'done_renames'.
1964 (create_delayed_rename): New function.
1965 (apply_delayed_renames): New function.
1966 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
1967 SUBREGs and similar by emitting a move.
1968 (new_registers_for_updates): Delete, functionality moved to
1969 apply_delayed_renames.
1970 (rename_block): Handle moves emitted by rename_insn_1 by putting
1971 them into a SEQUENCE with the original insn. Add sanity checks
1973 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
1974 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
1976 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
1977 Jason Merrill <jason@redhat.com>
1979 * dwarf2.h (enum dwarf_call_frame_info): Add
1980 DW_CFA_def_cfa_expression.
1981 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
1982 dw_loc_descr_struct entry.
1983 (struct cfa_loc): New structure to track a CFA location.
1984 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
1985 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
1986 offset, plus handle DW_CFA_def_cfa_expression.
1987 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
1989 (dwarf2out_def_cfa): Entry point maintained for compatability.
1990 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
1991 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
1992 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
1993 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
1995 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
1996 sequences for the new DW_CFA_def_cfa_expression record.
1997 (dwarf2out_frame_debug): Use new variables/fields.A
1998 (output_cfi): Handle DW_CFA_def_cfa_expression.
1999 (output_cfa_loc): New function to generate a CFI record for
2000 DW_CFA_def_cfa_expression.
2001 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
2002 a dw_loc_descr sequeunce.
2003 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
2004 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
2005 size_of_locs, output_loc_operands, output_loc_sequence): Move into
2006 unwind info section.
2007 * frame.h (frame_state): Add base_offset and indirect fields.
2008 * frame-dwarf2.c (decode_stack_op): New function to interpret a
2009 dw_loc_descr operation.
2010 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
2011 (struct frame_state): Add base offset and indirect fields.
2012 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
2014 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
2016 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
2017 Make warnings about implicit int be pedwarns in C99. Don't warn
2018 about duplicate type qualifiers in C99.
2019 (start_function): Make warning about implict int return type be a
2021 * c-lex.c (yylex): Don't warn about `long long' in C99.
2022 * c-typeck.c (c_expand_return): In C99, always pedwarn about
2023 `return' with no value in function returning non-void.
2025 2000-06-26 Richard Henderson <rth@cygnus.com>
2027 * c-typeck.c (pedwarn_c99): New.
2028 * diagnostic.c (verror, vwarning, vpedwarn): Export.
2029 * toplev.h: Prototype them.
2031 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2033 * c-typeck.c (digest_init): Return error_mark_node node when
2034 TREE_TYPE (init) == error_mark_node.
2036 2000-06-26 Philipp Thomas <pthomas@suse.de>
2038 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
2039 test for msgfmt without path instead.
2040 * configure: Rebuilt.
2042 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2044 * gengenrtl.c (special_rtx): Fix typo in comment.
2046 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2048 * mklibgcc.in (LIB2FUNCS): Add missing space.
2050 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2052 * tree.h (enum tree_index): Add vector type nodes.
2053 Add accessor macros for them.
2054 (TYPE_REPRESENATION_TYPE): New macro.
2055 * tree.c (build_common_tree_nodes_2): Build these nodes.
2056 (finish_vector_type): New function.
2057 * c-common.c (type_for_mode): Handle vector modes.
2058 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
2060 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
2061 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
2062 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
2063 (gen_type_die): Likewise.
2064 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
2065 (fundamental_type_code): Likewise.
2066 (type_is_fundamental): VECTOR_TYPEs aren't.
2067 (output_type): Handle VECTOR_TYPEs.
2069 2000-06-25 Kazu Hirata <kazu@hxi.com>
2071 * config/arm.c: Fix a comment typo.
2072 * config/arm.h: Likewise.
2074 2000-06-25 Philipp Thomas <pthomas@suse.de>
2076 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
2078 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
2079 * configure: Rebuilt.
2081 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
2083 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2085 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2087 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2090 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
2092 * collect2.c (resolve_lib_name): Move '/' check out of loop.
2094 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
2096 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2098 2000-06-24 Jakub Jelinek <jakub@redhat.com>
2100 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
2101 last_unconditional_cleanup.
2103 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2105 * tree.def (VECTOR_TYPE): New node type.
2106 * tree.h: Adjust some comments to reflect addition of vector types.
2107 (TYPE_VECTOR_SUBPARTS): New macro.
2108 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2109 * c-convert.c (convert): Likewise.
2110 * convert.c (convert_to_integer): Handle vector modes.
2111 (convert_to_vector): New function.
2112 * convert.h (convert_to_vector): Declare.
2113 * expr.c (convert_move): Handle vector modes.
2114 * expmed.c (extract_bit_field): Don't abort for vector modes.
2116 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2118 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2119 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2120 New functions, common code moved from function_{prologue,epilogue}
2121 and extended to support the -mtiny-stack option.
2122 (function_prologue, function_epilogue): Use them.
2123 Use lo8/hi8 consistently for asm output readability.
2124 (avr_hard_regno_mode_ok): New function.
2125 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2126 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2127 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2128 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2129 Write SPH before SPL.
2130 (*movqi): No need to disable interrupts for just one "out"
2131 in alternative 5. Change length attribute from 4 to 1.
2132 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2133 Write SPH before SPL.
2135 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2137 * rtl.texi (Vector Operations): New node.
2138 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2139 (Conversions): Add ss_truncate, us_truncate.
2140 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2141 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2142 US_TRUNCATE): New rtx codes.
2143 * machmode.def: Add vector modes.
2144 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2146 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2147 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2148 (VECTOR_MODE_P): New.
2150 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2152 * cpp.texi: Clarify #pragma GCC namespace.
2154 2000-06-24 Philipp Thomas <pthomas@suse.de>
2156 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2157 all catalogs specified in ALL_LINGUAS.
2158 * configure: Rebuilt.
2160 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2162 * config/sparc/sparc.md (reload_outdi+1): Handle
2163 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2164 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2166 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2168 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2169 struct vs. scalar-ness when -fno-strict-aliasing.
2171 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2173 * cpplib.c (struct pragma_entry): New structure.
2174 (pragma_dispatch): Pragma dispatcher.
2175 (top_pragmas, gcc_pragmas): New static variables.
2176 (do_pragma): Use pragma_dispatch.
2177 (do_pragma_gcc): New pragma handler.
2180 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2182 * calls.c (compute_argument_addresses): Force stack slots into
2184 * expr.c (emit_push_insn): Force pushes into alias set 0.
2186 2000-06-23 Richard Henderson <rth@cygnus.com>
2188 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2189 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2191 2000-06-22 Jason Merrill <jason@redhat.com>
2193 * toplev.c (compile_file): Always call timevar_print.
2194 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2196 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2198 * varasm.c (constant_descriptor): Make contents unsigned char.
2199 (mark_const_hash_entry): Adjust.
2200 (const_hash): Just hash the code of unknown nodes.
2201 (compare_constant_1): Adjust for unsigned char.
2202 Use language specific expander on unknown nodes.
2203 (record_constant_1): Likewise.
2205 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2207 * cppfiles.c (cpp_make_system_header): New function.
2208 * cpplib.h: Prototype it.
2209 * cpplib.c (do_line, do_pragma_system_header): Use it.
2210 * fix-header.c (read_scan_file): Use it.
2212 * fix-header.c (check_macro_names): Cast second arg of
2213 cpp_defined to const unsigned char *.
2214 (read_scan_file): Make getchar_call const unsigned char.
2216 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2218 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2219 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2220 (destroy_include_file_node): New.
2221 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2222 Create a splay tree, not a hash table.
2223 (open_include_file): Look up the path in the include table,
2224 do the multiple include optimization here, etc.
2225 (cpp_included): Walk the path.
2226 (find_include_file): Just walk the path calling
2227 open_include_file, or call it directly for an absolute path.
2228 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2230 (read_include_file): Update for new scheme. Don't close the
2231 file unless reading fails.
2232 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2234 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2235 (struct include_file): New.
2236 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2238 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2241 * cppinit.c: Include splay-tree.h.
2242 (cpp_reader_init, cpp_cleanup): Update.
2244 * cpplib.h (struct cpp_buffer): Change ihash field to
2245 'struct include_file *inc'. Remove system_header_p.
2246 (struct cpp_reader): Change all_include_files to a
2247 struct splay_tree_s *.
2249 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2250 cpp_buffer->system_header_p.
2251 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2253 * Makefile.in (SPLAY_TREE_H): New macro.
2254 (cppfiles.o, cppinit.o): Update dependencies.
2256 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2258 * invoke.texi (g++): "g++" is not a script anymore.
2260 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2262 * function.c (round_down): Delete obsolete prototype.
2264 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2266 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2268 * configure.in: Use 'test a = b' not 'test a == b'.
2271 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2273 * Makefile.in: Remove all references to HOST_INTLLIBS.
2275 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2278 2000-06-20 Philipp Thomas <pthomas@suse.de>
2280 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2283 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2285 * Take REG_INC notes into account.
2287 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2289 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2290 (primary: IDENTIFIER): Just call build_external_ref.
2291 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2293 * c-lex.c (lastiddecl): Remove.
2294 (yylex): Replace all instances of lastiddecl with local
2297 * c-typeck.c (build_external_ref): New function. Treat decls
2298 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2299 Look up the decl from the id here. Call lookup_objc_ivar.
2300 * c-lang.c (lookup_objc_ivar): Stub.
2301 * objc/objc-act.c (lookup_objc_ivar): New function.
2303 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2304 * c-lex.h: Don't declare lastiddecl.
2306 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2308 * c-common.h (IF_COND): Added documentation.
2309 (THEN_CLAUSE): Likewise.
2310 (ELSE_CLAUSE): Likewise.
2311 (WHILE_COND): Likewise.
2312 (WHILE_BODY): Likewise.
2313 (DO_COND): Likewise.
2314 (DO_BODY): Likewise.
2315 (RETURN_EXPR): Likewise.
2316 (EXPR_STMT_EXPR): Likewise.
2317 (FOR_INIT_STMT): Likewise.
2318 (FOR_COND): Likewise.
2319 (FOR_EXPR): Likewise.
2320 (FOR_BODY): Likewise.
2321 (SWITCH_COND): Likewise.
2322 (SWITCH_BODY): Likewise.
2323 (CASE_LOW): Likewise.
2324 (CASE_HIGH): Likewise.
2325 (GOTO_DESTINATION): Likewise.
2326 (COMPOUND_BODY): Likewise.
2327 (ASM_CV_QUAL): Likewise.
2328 (ASM_STRING): Likewise.
2329 (ASM_OUTPUTS): Likewise.
2330 (ASM_INPUTS): Likewise.
2331 (ASM_CLOBBERS): Likewise.
2332 (DECL_STMT_DECL): Likewise.
2333 (STMT_EXPR_STMT): Likewise.
2334 (LABEL_STMT_LABEL): Likewise.
2336 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2337 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2338 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2339 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2341 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2343 * configure.in (--enable-checking): Update --help doc to reflect
2344 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2346 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2348 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2350 * function.c (put_var_into_stack): Don't reference DECL_ fields
2351 if input is a SAVE_EXPR.
2352 Use set_mem_attributes in COMPLEX case.
2354 2000-06-18 Richard Henderson <rth@cygnus.com>
2356 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2357 (ia64_file_start): Declare.
2358 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2359 (GR_REGNO_P): Likewise.
2360 * config/ia64/ia64.c: Many prototypes.
2361 (ia64_reg_numbers): Constify.
2362 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2363 (ia64_section_threshold): Make unsigned.
2364 (ia64_print_operand): Constify.
2365 (fix_range): Constify.
2366 (ia64_init_builtins): Don't compare signed vs unsigned.
2367 (ia64_expand_builtin): Likewise.
2369 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2370 (CONSTRAINT_OK_FOR_Q): New.
2371 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2372 (movsf_internal, movdf_internal): Likewise.
2373 (cmovdi_internal): Rewrite so that constraints and predicates match;
2375 (cmovsi_internal): Likewise.
2377 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2378 (ASM_FILE_START): New.
2379 * config/ia64/ia64.c (ia64_file_start): New.
2380 (rtx_needs_barrier): Handle pred.rel.mutex.
2381 (emit_predicate_relation_info): New.
2382 * config/ia64/ia64.md (pred_rel_mutex): New.
2383 * config/ia64/linux.h (ASM_SPEC): Define.
2384 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2386 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2387 filtering global register variables.
2389 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2391 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2393 2000-06-17 Michael Meissner <meissner@redhat.com>
2395 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2396 not present and there is a field after a '-'.
2398 2000-06-17 Bruce Korb <bkorb@gnu.org>
2400 * fixinc/check.tpl: finish the implementation of multiple tests
2402 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2403 (io_quotes_def): add a second test
2404 (various): reorder `files' so that "limits.h" is never first
2405 * fixinc/tests/base/*: update the testing output
2407 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2409 * gcc.texi: Remove reference to stupid.c.
2411 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2413 * c-common.c (c_tree_code_type): New array.
2414 (c_tree_code_length): Likewise.
2415 (c_tree_code_name): Likewise.
2416 (add_c_tree_codes): New function.
2418 * c-common.h (add_c_tree_codes): Declare.
2419 (enum c_tree_code): New enum.
2421 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2423 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2425 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2426 select pattern to also match macro defs with only one argument.
2428 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2430 * i386.md: Create new [right,left] rotate and right shift
2431 patterns to optimize shift by 1 bit for certain ia32 processors.
2432 Update patterns which perform left shifts to optimize shift by
2433 1 bit for certain ia32 processors.
2434 * i386.c (const_int_1_operand): New predicate.
2435 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2436 * i386-protos.h (const_int_1_operand): Prototype.
2438 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2440 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2442 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2444 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2447 2000-06-14 Richard Henderson <rth@cygnus.com>
2449 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2451 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2454 * print-rtl.c (print_rtx): Emit space before mem alias set.
2456 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2458 * rs6000.c (expand_block_move): Fix typo in earlier change.
2459 (print_operand): Remove unused variables neg and op.
2460 (toc_hash_mark_entry): Fix prototype.
2462 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2464 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2465 (THEN_CLAUSE): Likewise.
2466 (ELSE_CLAUSE): Likewise.
2467 (WHILE_COND): Likewise.
2468 (WHILE_BODY): Likewise.
2469 (DO_COND): Likewise.
2470 (DO_BODY): Likewise.
2471 (RETURN_EXPR): Likewise.
2472 (EXPR_STMT_EXPR): Likewise.
2473 (FOR_INIT_STMT): Likewise.
2474 (FOR_COND): Likewise.
2475 (FOR_EXPR): Likewise.
2476 (FOR_BODY): Likewise.
2477 (SWITCH_COND): Likewise.
2478 (SWITCH_BODY): Likewise.
2479 (CASE_LOW): Likewise.
2480 (CASE_HIGH): Likewise.
2481 (GOTO_DESTINATION): Likewise.
2482 (COMPOUND_BODY): Likewise.
2483 (ASM_CV_QUAL): Likewise.
2484 (ASM_STRING): Likewise.
2485 (ASM_OUTPUTS): Likewise.
2486 (ASM_INPUTS): Likewise.
2487 (ASM_CLOBBERS): Likewise.
2488 (DECL_STMT_DECL): Likewise.
2489 (STMT_EXPR_STMT): Likewise.
2490 (LABEL_STMT_LABEL): Likewise.
2491 (SCOPE_BEGIN_P): Likewise.
2492 (SCOPE_END_P): Likewise.
2493 (SCOPE_STMT_BLOCK): Likewise.
2494 (SCOPE_NULLIFIED_P): Likewise.
2495 (SCOPE_NO_CLEANUPS_P): Likewise.
2496 (SCOPE_PARTIAL_P): Likewise.
2497 (ASM_VOLATILE_P): Likewise.
2498 (STMT_LINENO): Likewise.
2499 (STMT_LINENO_FOR_FN_P): Likewise.
2501 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2502 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2503 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2504 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2505 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2507 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2509 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2511 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2512 writable in parts of the GCC code.
2514 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2515 specification match cast.
2517 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2519 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2520 * configure, config.in: Rebuilt.
2521 * sys-protos.h: Similarly.
2523 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2525 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2526 * basic-block.h (EDGE_COMPLEX): ... here.
2528 * loop.c (check_dbra_loop): Specify the register when
2529 generating REG_NONNEG notes and don't generate duplicates.
2531 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2533 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2534 (struct tree_type, struct tree_decl): Add user_align member.
2535 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2536 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2537 and DECL_USER_ALIGN 0, cap alignment to this value.
2538 (place_field): Likewise.
2539 (finalize_type_size): Set TYPE_USER_ALIGN.
2540 (layout_type): Likewise.
2541 (initialize_sizetypes): Likewise.
2542 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2543 DECL_USER_ALIGN to 1.
2544 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2545 (xfer_tag): Set TYPE_USER_ALIGN.
2546 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2547 (finish_enum): Likewise.
2548 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2549 (expand_anon_union_decl): Likewise.
2550 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2551 (build_index_type): Set TYPE_USER_ALIGN.
2552 (build_range_type): Likewise.
2553 (build_common_tree_nodes_2): Likewise.
2554 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2556 2000-06-13 Andreas Jaeger <aj@suse.de>
2558 * configure.in: Use --enable-checking=misc,tree,gc by default if
2559 no --enable-checking option is given and for
2560 --enable-checking=yes.
2561 * configure: Rebuilt.
2563 2000-06-13 Richard Henderson <rth@cygnus.com>
2565 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2566 (__throw): Don't pass the address of a label.
2568 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2569 current_function_is_leaf.
2570 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2571 instead of reg_names[RETURN_ADDRESS_REGNUM].
2572 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2573 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2574 from RETURN_ADDRESS_REGNUM. Update all uses.
2575 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2576 zero instead of null on failure.
2577 (ELIMINABLE_REGS): Add ra->b0 elimination.
2578 (CAN_ELIMINATE): Update accordingly.
2579 (INITIAL_ELIMINATION_OFFSET): Likewise.
2580 (REGISTER_NAMES): Use an illegal assembler name for
2581 RETURN_ADDRESS_POINTER_REGNUM.
2583 2000-06-13 Richard Henderson <rth@cygnus.com>
2585 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2586 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2587 (REG_CLASS_NAMES): Likewise.
2588 (REG_CLASS_CONTENTS): Likewise.
2589 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2590 (HARD_REGNO_MODE_OK): Remove references to them.
2591 (REGNO_REG_CLASS): Likewise.
2592 (REG_CLASS_FROM_LETTER): Likewise.
2593 (CLASS_MAX_NREGS): Likewise.
2594 (REGISTER_MOVE_COST): Likewise.
2595 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2596 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2597 (movqi_internal): Special case moves from zero.
2598 (movhi_internal, movsi_internal): Likewise.
2599 (movdi_internal): Likewise. Fill out "f" constraints.
2600 (movsf_internal): Fill out "r" constraints.
2601 (movdf_internal): Likewise.
2603 2000-06-13 Richard Henderson <rth@cygnus.com>
2605 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2606 alive before reload.
2608 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2609 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2610 (remove_dependence): Always define.
2611 (set_sched_group_p): New.
2612 (sched_analyze_2): Use it.
2613 (sched_analyze_insn): Don't special-case naked uses. Look for
2614 and extend in_post_call_group_p.
2615 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2616 (init_deps): Clear in_post_call_group_p.
2618 2000-06-13 Richard Henderson <rth@cygnus.com>
2620 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2621 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2622 and hard-coded tests.
2623 (simplify_set): Likewise.
2624 (gen_lowpart_for_combine): Likewise.
2625 * emit-rtl.c (gen_lowpart_common): Likewise.
2626 * global.c (find_reg): Likewise.
2627 * local-alloc.c (find_free_reg): Likewise.
2628 * recog.c (register_operand): Likewise.
2629 * regclass.c (init_reg_sets_1): Likewise.
2630 (record_operand_costs, regclass): Likewise.
2631 * reload.c (push_reload): Likewise.
2632 * reload1.c (choose_reload_regs): Likewise.
2633 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2634 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2635 Update all references.
2636 * regs.h (struct reg_info_def): Likewise.
2637 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2638 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2639 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2641 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2642 (CLASS_CANNOT_CHANGE_MODE_P): New.
2643 * config/mips/mips.h: Likewise.
2644 * config/pa/pa32-regs.h: Likewise.
2645 * config/pa/pa64-regs.h: Likewise.
2646 * config/rs6000/rs6000.h: Likewise.
2647 * config/sh/sh.h: Likewise.
2648 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2649 (CLASS_CANNOT_CHANGE_MODE_P): New.
2650 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2651 * config/d30v/d30v.h: Likewise.
2653 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2655 * configure.in: Add AC_TYPE_GETGROUPS test.
2656 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2657 * configure: Rebuilt.
2658 * config.in: Rebuilt.
2660 2000-06-13 Richard Henderson <rth@cygnus.com>
2662 * explow.c (set_mem_attributes): Do nothing for NULL type.
2664 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2666 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2669 2000-06-13 James E. Wilson <wilson@cygnus.com>
2671 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2673 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2675 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2677 2000-06-13 Philipp Thomas <pthomas@suse.de>
2679 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2680 * configure: Rebuilt.
2682 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2684 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2685 We now default to ELF for the i386, and a.out is the special case.
2686 * configure: Rebuilt.
2688 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2690 * final.c (final_scan_insn): Delete notes between cc0 setter and
2691 user when restarting from setter.
2693 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2695 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2696 cast to squelch signed/unsigned warnings.
2698 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2700 * cpplib.c (handle_directive): Print non-NUL-terminated string
2703 2000-06-12 Michael Meissner <meissner@redhat.com>
2705 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2706 path if the machine needs extra support to do conditional
2709 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2711 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2712 to print the alias set.
2713 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2715 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2717 * config/float-vax.h: Add GFLOAT defines.
2719 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2721 * configure.in: Update tm dependencies for MPE.
2722 * configure: Rebuilt.
2724 2000-06-12 H.J. Lu <hjl@gnu.org>
2726 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2728 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2730 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2731 (CPP_SPEC): Change mthreads to pthread.
2732 (LIB_SPEC): Likewise.
2733 (STARTFILE_SPEC): Likewise.
2734 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2735 (CPP_SPEC): Change mthreads to pthread.
2736 (LIB_SPEC): Likewise.
2737 (STARTFILE_SPEC): Likewise.
2738 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2739 * rs6000.c (reg_or_arith_cint_operand): New.
2740 (num_insns_constant_wide): Decorate unsigned constant.
2741 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2742 * rs6000.md (addsi3): Use new predicate.
2743 (subsi3, adddi3, subdi3): Likewise.
2745 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2747 * c-common.c (lang_get_alias_set): Fix typo.
2749 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2751 * flow.c (mark_used_regs): Revert last change.
2752 (life_analysis): Remove PROP_AUTOINC if running after reload.
2753 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2755 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2757 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2760 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2762 * bb-reorder.c (build_scope_forest): Initialize variable
2765 * calls.c (expand_call): Likewise for variables
2766 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2768 * i386.c (function_arg_advance, function_arg): Cast to avoid
2769 signed/unsigned warnings.
2771 * i386.h (MEMORY_MOVE_COST): Likewise.
2773 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2774 `else_start' and `else_end'.
2776 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2778 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2780 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2782 * Makefile.in (libintl.a): Depend on intl.all.
2784 2000-06-09 H.J. Lu (hjl@gnu.org)
2786 * Makefile.in (c-parse.o): Also depend on output.h.
2788 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2790 * mcore-protos.h: discards const warning removal.
2791 * mcore.c: discards const warning removal.
2793 2000-06-09 Kazu Hirata <kazu@hxi.com>
2795 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2796 the beginning of the file.
2798 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2800 * real.h: Add prototype for ldexp.
2802 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2804 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2805 it ggc_alloc, drop second argument, never clear returned memory.
2806 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2807 (ggc_alloc_cleared): New.
2808 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2809 ggc_alloc_obj. Remove ggc_alloc macro.
2810 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2812 * rtl.c (rtvec_alloc): Clear the vector always.
2813 (rtx_alloc): Clear the first word always. Remove dirty
2814 obstack tricks (this routine is no longer a bottleneck).
2815 * tree.c (make_node): Clear the new node always.
2816 (make_tree_vec): Likewise.
2817 (tree_cons): Clear the common structure always.
2818 (build1): Likewise; also, clear TREE_COMPLEXITY.
2819 * gengenrtl.c: Use puts wherever possible. Remove extra
2821 (gendef): Clear the first word of an RTX in the generator
2822 function, irrespective of ggc_p. Initialize '0' slots to
2824 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2825 thin wrapper macro around obstack_alloc.
2827 * stmt.c (expand_fixup): Use ggc_alloc.
2828 * c-typeck.c (add_pending_init): Use ggc_alloc.
2829 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2830 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2831 const0_rtx when it is created.
2832 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2833 we are not in a function.
2835 * tree.c (tree_class_check_failed): Make second arg an int.
2836 * tree.h: Update prototype.
2838 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2840 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2841 of an error_mark_node.
2843 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2845 * config/avr/avr.c (asm_output_section_name): bugfix.
2847 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2849 * timevar.def: Add TV_EXPAND.
2850 * timevar.c (timevar_print): Update timing information.
2851 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2853 * stmt.c (expand_return): Check for error_mark_node.
2855 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2857 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2859 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2860 variable against filename expansion when it contains "char *".
2862 * system.h (SSIZE_MAX): Delete backup definition.
2864 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2865 instead of SSIZE_MAX.
2867 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2869 * configure.in: Check whether gas supports -relax.
2870 * configure, config.in: Rebuilt.
2871 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2872 (EXTRA_SPECS): Add asm_relax.
2873 (ASM_SPEC): Add %(asm_relax).
2874 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2875 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2876 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2877 (ASM_SPEC): Add %(asm_relax).
2878 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2879 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2880 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2881 instead of mov, so that gas can further optimize it.
2883 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2885 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2887 (value_format, case dw_val_class_const): Use sdata format.
2888 (output_die): Call output_sleb128.
2890 2000-06-08 James E. Wilson <wilson@cygnus.com>
2892 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2893 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2894 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2895 (output_die, case dw_val_class_unsigned_const): Correct call to
2896 ASM_OUTPUT_DWARF_DATA8.
2897 (output_die, case dw_val_class_long_long): Use
2898 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2899 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2902 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2903 (output_function_prologue): Fix mispelling.
2904 (output_function_prologue, output_function_epilogue): Reorder to
2905 match ia64.c definition order.
2906 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2907 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2908 Use r3 instead of r2 for large stack restores.
2909 (ia64_output_end_prologue): New function.
2910 (process_set): Emit ".restore sp" for epilogue stack restores.
2911 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2913 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2915 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2918 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2920 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2922 2000-06-08 Denis Perchine <dyp@perchine.com>
2924 * frame.c (start_fde_sort): Don't malloc (0).
2926 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2928 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2930 * print-tree.c (print_node): The transparent_union_flag means
2931 different things for unions and arrays. Do not inspect it
2932 with TYPE_TRANSPARENT_UNION.
2934 2000-06-06 Jakub Jelinek <jakub@redhat.com>
2936 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
2939 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
2941 * config/avr/avr.c (asm_output_section_name): output section
2943 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
2945 2000-06-06 James E. Wilson <wilson@cygnus.com>
2947 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
2948 fields into header field.
2949 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
2950 macros to access length, flags, and version info from header field.
2951 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
2952 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
2953 (__do_global_ctors_aux): Fix caller.
2954 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
2955 prologue_flag to header. Pass to read_P_record.
2956 (read_P_record): New argument header. Implement P4 format.
2957 Multiply P7_T_SIZE by 16.
2958 (execute_one_ia64_descriptor): New static local region_header. Pass to
2959 get_unwind_record. Copy r to region_header if r is a header record.
2960 (print_all_records): Likewise.
2961 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
2962 (__get_personality, __get_except_table): Likewise.
2963 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
2965 2000-06-06 Philipp Thomas <pthomas@suse.de>
2967 * configure.in (AC_C_INLINE): Added.
2968 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
2969 * configure: Regenerate.
2971 2000-06-06 Mark Mitchell <mark@codesourcery.com>
2973 * c-common.h (c_language_kind): New type.
2974 (c_language): New variab.e
2975 * c-common.c (lang_get_alias_set): Don't put structures in
2976 non-zero alias sets in C++.
2977 * c-decl.c (c_language): Define it.
2978 * c-lex.c (doing_objc_thang): Remove.
2979 * c-tree.h (doing_objc_thang): Make it a macro.
2980 * objc/objc-act.c (lang_decode_option): Set c_language, not
2983 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
2985 * diagnostic.c (output_maximum_width): Remove.
2986 (doing_line_wrapping): Tweak.
2987 (diagnostic_buffer): New object.
2988 (global_output_buffer): New object.
2989 (output_destroy_prefix): New function.
2990 (default_initialize_buffer): Likewise.
2991 (reshape_diagnostic_buffer): Likewise.
2992 (initialize_diagnostics): Likewise.
2993 (output_clear): Tweak.
2994 (line_wrapper_printf): Adjust call to init_output_buffer.
2995 (vline_wrapper_message_with_location): Likewise. Use
2996 output_destroy_prefix.
2997 (v_message_with_decl): Likewise.
2999 * diagnostic.h (struct output_buffer): Constify prefix.
3000 (init_output_buffer, output_get_prefix): Constify.
3001 (diagnostic_message_length_per_line): Likewise.
3002 (reshape_diagnostic_buffer): Declare.
3003 (default_initialize_buffer): Declare.
3004 (initialize_diagnostics): Declare.
3005 (diagnostic_buffer): Declare new obbject.
3007 * toplev.c: #include diagnostic.h
3008 (display_help): Document diagnostic formatting options.
3009 (decode_f_option): Handle diagnostic formatting options.
3010 (main): Setup initialization for diagnostic messages outputter.
3012 * toplev.h (set_message_length): Remove.
3014 * Makefile.in (toplev.o): Depends upon diagnostic.h
3016 * invoke.texi : Document diagnostics formatting options.
3018 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
3020 * configure.in (Make the links): Typo fix : the file that must be
3021 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
3022 * configure: File rebuilt.
3024 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
3026 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
3027 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
3029 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
3030 emergency eh_context buffer, if malloc fails.
3031 (__eh_free): Moved from cp/exception.cc. Release to emergency
3032 eh_context buffer, if appropriate.
3034 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
3036 * expr.c (store_expr): Fix typo.
3038 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3040 * m68k.c (legitimize_pic_address): Move prototype ...
3042 * m68k-protos.h (legitimize_pic_address): ... here.
3044 * m68k.md (legitimize_pic_address): Delete prototypes.
3045 (untyped_call): Invoke GEN_CALL(), not gen_call().
3047 * nextstep.c: Include system.h and toplev.h.
3048 (get_directive_line): Don't prototype.
3049 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
3051 * nextstep.h (handle_pragma): Prototype.
3052 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
3053 objc_section_init ...
3054 (EXTRA_SECTION_FUNCTIONS): ... here.
3056 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3058 * sdbout.c (struct sdb_file): NAME now const.
3059 (sdbout_init): input_file_name now const.
3060 (sdbout_start_new_source_file): FILENAME now const.
3061 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
3063 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3065 * c-typeck.c (build_conditional_expr): Handle complex data types.
3067 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3069 * explow.c (maybe_set_unchanging): New function, broken out from...
3070 (set_mem_attributes): Here.
3071 * expr.h: Declare it.
3072 * stmt.c (expand_decl): Call it.
3074 2000-06-05 Richard Henderson <rth@cygnus.com>
3076 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
3077 while looking for a register to inherit from.
3079 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3081 * Makefile.in (libgcc.ready): Lose.
3082 (libgcc.mk): Just use mv, not move-if-change.
3083 (LIBGCC_DEPS): New macro.
3085 (stmp-multilib): Likewise.
3086 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
3087 it rather than the directories themselves.
3088 (LIB2ADD): Depend on the list file rather than 'force'.
3090 * fold-const.c (fold, case COND_EXPR): Elide conversion between
3091 cv-qualified versions of types.
3093 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3095 * config/sparc/sparc.c (short_branch): Correct error in range
3098 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3100 * fixinc/inclhack.def: New include hacks for ultrix.
3101 * (nested_ultrix): Replaced by ultrix_nested_svc.
3102 * (ultrix_atof_param): test_text string added.
3103 * (ultrix_ifdef): Modified select string.
3105 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
3107 * objc/objc-act.c (generate_method_descriptors): Register
3108 objc_method_prototype_template as a GC root.
3109 (comp_method_with_proto): Register function_type as a GC root.
3110 (comp_proto_with_proto): Replace function_type1 and
3111 function_type2 with a two-element array; register it as a GC root.
3113 (generate_protocols, build_protocol_initializer,
3114 generate_protocol_list, build_category_initializer,
3115 build_shared_structure_initializer): Do not cache cast_type
3118 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3120 * function.c (assign_parms): Add missing argument to set_mem_attributes
3123 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3125 * tree.h (VOID_TYPE_P): New macro.
3126 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3127 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3128 (get_parm_info): Likewise.
3129 (store_parm_decls): Likewise.
3130 (combine_parm_decls): Likewise.
3131 (finish_function): Likewise.
3132 * c-typeck.c (build_function_call): Likewise.
3133 (build_binary_op): Likewise.
3134 (build_conditional_expr): Likewise.
3135 (internal_build_compound_expr): Likewise.
3136 (convert_for_assignment): Likewise.
3137 * stmt.c (expend_expr_stmt): Likewise.
3138 (warn_if_unused_value): Likewise.
3139 (expand_return): Likewise.
3140 * c-parse.in (primary): Likewise.
3141 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3142 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3144 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3146 * alias.c (get_alias_set): If compnent is addressable, use alias
3148 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3149 (grokdeclarator): Likewise.
3150 * c-typeck.c (common_type): Likewise.
3152 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3154 * Makefile.in (OBJS): Remove dyn_string.o
3155 (dyn-string.o): Delete rule.
3156 * dyn-string.c: Delete file
3157 * dyn-string.h: Likewise.
3159 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3161 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3164 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3166 * alias.c (record_component_aliases): Don't inspect
3167 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3169 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3171 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3172 it with the pattern to do machine dependent work.
3173 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3174 use it to modify the true/false tests used in conditional
3175 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3176 defined, invoke them if the conversion to conditional execution
3177 was successful or not.
3179 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3180 (IFCVT_MODIFY_INSN): Ditto.
3181 (IFCVT_MODIFY_FINAL): Ditto.
3182 (IFCVT_MODIFY_CANCEL): Ditto.
3184 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3186 * toplev.c (main): Fix misspellings of possibility and language.
3188 2000-06-03 Richard Henderson <rth@cygnus.com>
3190 * alias.c (record_alias_subset): Initialize has_zero_child in the
3193 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3195 * arm.md (untyped_call): Use GEN_CALL macro.
3197 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3199 * Makefile.in: Use $(MAKE) not "make"
3201 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3203 * alias.c (struct alias_set_entry): New field has_zero_child.
3204 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3205 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3207 Call record_component_aliases for aggregate types.
3208 (record_alias_subset): Set has_zero_child.
3209 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3210 TYPE_NONALIASES_COMPONENT.
3211 (record_component_aliases, case RECORD_TYPE): Test
3212 DECL_NONADDRESSABLE_P.
3213 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3214 of TREE_ADDRESSABLE.
3215 * calls.c (initialize_argument_information): Only test
3216 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3217 * function.c (assign_parms): Likewise.
3218 * integrate.c (function_cannot_inline_p): Likewise.
3219 * stor-layout.c (finish_record_layout): Don't call
3220 record_component_aliases.
3221 * tree.h (struct tree_int_cst): Use struct tree_common.
3222 (struct tree_real_cst, struct tree_string): Likewise.
3223 (struct tree_complex, struct tree_identifier): Likewise.
3224 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3225 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3226 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3227 (TYPE_NONALIASES_COMPONENT): New macro.
3228 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3229 (DECL_NONADDRESSABLE_P): New macro.
3230 (struct tree_decl): Reorder bits for clarity of how many left;
3233 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3235 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3236 * mklibgcc.in (force): New target.
3237 Make LIB2ADD stuff depend on it.
3239 2000-06-02 Richard Henderson <rth@cygnus.com>
3241 * alias.c (lang_get_alias_set): Remove.
3242 (get_alias_set): Call it directly, not indirectly.
3243 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3244 * c-common.h (c_get_alias_set): Don't declare.
3245 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3246 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3248 2000-06-02 Bruce Korb <bkorb@gnu.org>
3250 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3251 (server_setup): define the server's master pid
3252 (close_server): actually do the deed IFF we are the server's master
3254 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3256 * c-common.c (c_get_alias_set): Check whether signed_type did not
3257 return its argument before calling get_alias_set on the result.
3259 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3261 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3263 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3265 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3266 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3267 for TARGET_NOMACSAVE.
3268 (NOMACSAVE_BIT): Define.
3269 (TARGET_NOMACSAVE): Define.
3270 (TARGET_SWITCHES): Add "nomacsave".
3272 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3274 * sh.md (untyped_call): Remove excess parameters
3276 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3278 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3279 match that used before the conversion to c_fix style.
3280 * fixinc/fixincl.x: regenerate
3282 2000-06-01 Stan Cox <scox@cygnus.com>
3284 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3285 macro argument typo.
3287 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3289 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3291 * cpplib.c (parse_include): Remove support for VAX-C
3292 "#include starlet" misfeature.
3294 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3296 * cppfiles.c: conditionally define O_BINARY.
3297 (open_include_file): pass O_BINARY to open().
3299 2000-06-01 Richard Henderson <rth@cygnus.com>
3301 * i960.c (i960_br_predict_opcode): Remove.
3302 (i960_print_operand) [+]: Emit branch prediction hints.
3303 (i960_function_arg): Return early for VOIDmode.
3304 (i960_round_align): Return early for incomplete types.
3305 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3306 * i960.md (all conditional branches): Add "%+".
3308 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3310 * alias.c (get_alias_set): Don't call language-specific routine more
3311 than is needed and clean up code a bit.
3312 * c-common.c (c_get_alias_set): All references whose type
3313 is char get alias set 0, but character types need not.
3314 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3315 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3317 2000-06-01 Bruce Korb <bkorb@gnu.org>
3319 * fixinc/tests/base/...: new base result files
3321 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3323 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3324 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3325 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3328 2000-06-01 Richard Henderson <rth@cygnus.com>
3330 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3332 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3334 2000-05-31 Richard Henderson <rth@cygnus.com>
3336 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3337 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3338 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3340 2000-05-31 Richard Henderson <rth@cygnus.com>
3342 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3343 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3344 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3345 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3346 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3348 2000-05-31 Richard Henderson <rth@cygnus.com>
3350 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3352 2000-05-31 Richard Henderson <rth@cygnus.com>
3354 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3356 (find_if_block): Allow THEN with no outgoing edges.
3357 * flow.c (merge_blocks_nomove): Remove a barrier not following
3360 2000-05-31 Richard Henderson <rth@cygnus.com>
3362 * flow.c (propagate_block): Move initialization of mem_set_list ...
3363 (init_propagate_block_info): ... here. Also track blocks with
3364 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3366 2000-05-31 Richard Henderson <rth@cygnus.com>
3368 * jump.c (jump_optimize_1): Revert 05-18 change.
3370 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3372 * invoke.texi: Remove documentation for -fguiding-decls.
3374 2000-05-31 Richard Henderson <rth@cygnus.com>
3376 * configure.in: Fix typo last change.
3378 2000-05-31 Philipp Thomas <pthomas@suse.de>
3380 * configure.in (enable-nls): Enable if build == host, i.e. when
3381 not building a canadian cross compiler.
3382 (enable-maintainer-mode): Added for use with i18n.
3383 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3384 cross section of ALL_LINGUAS and LINGUAS.
3385 * configure: Rebuild.
3387 2000-05-31 Bruce Korb <bkorb@gnu.org>
3389 * fixinc/check.tpl: rework to use test result tree
3390 * fixinc/Makefile.in: change invocation of check script
3391 * fixinc/check.diff: No longer needed
3392 * fixinc/fixincl.x: regenerate
3393 * fixinc/inclhack.def: add new tests
3394 * fixinc/tests/base/arch/i960/archI960.h: New test result
3395 * fixinc/tests/base/curses.h: modified test result
3396 * fixinc/tests/base/stdio.h: ditto
3397 * fixinc/tests/base/time.h: ditto
3398 * fixinc/tests/base/sys/asm.h: ditto
3399 * fixinc/tests/base/sys/stat.h: ditto
3400 * fixinc/tests/base/sys/wait.h: ditto
3402 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3404 * except.c (clear_function_eh_region): Do not free NULL.
3406 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3408 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3409 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3410 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3411 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3412 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3413 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3414 (get_alias_set): Likewise.
3415 Major rework to do more things and allow language-specific code
3416 to just handle special-cases.
3417 (record_alias_subset): Args are HOST_WIDE_INT.
3418 (record_component_alias): Local vars are HOST_WIDE_INT.
3419 Don't handle COMPLEX_EXPR.
3420 (get_varargs_alias_set): Moved from builtins.c.
3421 (get_frame_alias_set): New function.
3422 * builtins.c (expand_builtin_return_address): Use frame alias set.
3423 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3425 (get_memory_rtx): Rework to use set_mem_attributes.
3426 (get_varargs_alias_set): Deleted from here.
3427 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3428 (c_find_base_decl): Deleted from here.
3429 (c_get_alias_set): Remove many cases and rework to just handle
3431 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3432 * c-decl.c (rtl.h, expr.h): Now included.
3433 (init_decl_processing): Call record_component_aliases on array types.
3434 (grokdeclarator): Likewise.
3435 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3436 * c-typeck.c (common_type): Call record_component_aliases for array.
3437 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3438 Set all save areas to the frame alias set.
3439 * calls.c (initialie_argument_information): Call set_mem_attributes.
3440 (compute_argument_addresses, expand_call): Likewise.
3441 * explow.c (set_mem_attributes): New function.
3442 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3443 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3444 LEN and OFFSET now HOST_WIDE_INT.
3445 (clear_by_pieces): Similar changes.
3446 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3447 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3448 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3449 (clear_by_pieces_1): Likewise.
3450 (emit_push_insn): Call set_mem_attributes.
3451 (expand_expr, case INDIRECT_REF): Likewise.
3452 (expand_expr, case VAR_DECL): Call change_address.
3453 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3455 (get_varargs_alias_set, get_frame_alias_set): New decls.
3456 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3457 (new_alias_set, set_mem_attributes): Likewse.
3458 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3459 (assign_stack_temp_for_type): Likewise.
3460 Can split slot even if alias set since can copy.
3461 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3462 (assign_temp): Use host_integerp and tree_low_cst.
3463 (put_var_into_stack): Properly handle SAVE_EXPR.
3464 (put_addressof_into_stack): Likewise.
3465 (assign_parms): Call set_mem_attributes.
3467 (fix_lexical_address): Put reference to chain into frame alias set.
3468 (expand_function_start): Call set_mem_attributes.
3469 * integrate.c (expand_inline_function): Likewise.
3470 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3471 * regmove.c (try_apply_stack_adjustment): Likewise.
3472 * reload.c (push_reload, make_memloc): Likewise.
3473 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3474 * rtl.def (MEM): Update comment.
3475 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3476 (move_by_pieces): Change length to HOST_WIDE_INT.
3477 (record_base_value, record_alias_subset): Delete from here.
3478 * stmt.c (expand_decl): Call set_mem_attributes.
3479 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3480 * toplev.c (compile_file): Call init_alias_once earlier.
3481 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3482 from here: now in alias.c.
3483 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3484 (struct tree_decl): Likewise.
3485 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3486 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3487 (output_constant_def, force_const_mem): Likewise.
3489 * flow.c (propagate_block): If block has no successors, stores to
3490 frame are dead if not used.
3492 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3494 * stmt (expand_end_case): Reorder conversion sequence for jump
3495 table to avoid extra truncations.
3497 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3499 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3500 in the block is more than just a simple conditional branch.
3501 (noce_process_if_block): Similarly.
3503 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3505 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3508 2000-05-30 Michael Meissner <meissner@redhat.com>
3510 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3511 instructions. Treat LO_SUM operations as loading the full integer
3514 2000-05-30 Richard Henderson <rth@cygnus.com>
3516 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3518 2000-05-30 Richard Henderson <rth@cygnus.com>
3520 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3522 2000-05-30 Bruce Korb <bkorb@gnu.org>
3524 * fixinc/tests/*: Added expected result files for fixinc's make check
3525 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3527 2000-05-30 Richard Henderson <rth@cygnus.com>
3529 * config/alpha/alpha.md (*setne_internal): Use match_operator
3530 instead of working down from insn.
3532 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3534 * invoke.texi (-Wtraditional): Update WRT function macros.
3536 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3538 * except.c (free_exception_table): Do not free NULL.
3540 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3542 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3543 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3546 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3548 * flow.c (mark_used_reg): If a register is unconditionally live,
3549 remove any conditional death information.
3551 2000-05-29 Richard Henderson <rth@cygnus.com>
3553 * final.c (current_output_insn): New.
3554 (final_scan_insn): Set it.
3555 * output.h: Declare it.
3557 2000-05-29 Richard Henderson <rth@cygnus.com>
3559 * stor-layout.c (finalize_record_size): Fix typo.
3561 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3564 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3566 * cpplib.h (cpp_reader): Remove if_stack. Change
3567 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3568 * cpphash.h (struct ihash): Change control_macro to a
3569 cpp_hashnode * and shorten name to cmacro.
3570 Add NEVER_REINCLUDE constant.
3572 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3573 Examine the cmacro node directly, no need to call cpp_defined.
3574 (_cpp_execute_include, read_include_file): Set cmacro to
3575 NEVER_REINCLUDE, not U"".
3576 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3577 (cpp_get_token): If pfile->skipping is true, discard text and
3578 keep scanning until we hit a directive; don't expand macros.
3580 * cpplib.c (struct if_stack): Remove if_succeeded, add
3581 was_skipping. Change control_macro to a cpp_hashnode * and
3582 shorten name to cmacro. Remove typedef IF_STACK.
3583 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3584 (conditional_skip, skip_if_group,
3585 consider_directive_while_skipping): Delete.
3586 (push_conditional): New.
3587 (_cpp_handle_directive): Don't process directives other than
3588 conditionals if we are skipping.
3590 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3591 Update to new scheme.
3592 (validate_else): Skip rest of line here, unconditionally.
3593 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3594 pfile->skipping off.
3596 (all): Remove `scare quotes' from error messages.
3598 2000-05-29 Richard Henderson <rth@cygnus.com>
3600 * function.c (emit_return_into_block): New line_note arg; emit it.
3601 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3602 for the close brace to accompany HAVE_return. Move all line notes
3603 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3605 2000-05-29 Richard Henderson <rth@cygnus.com>
3607 * longlong.h [__alpha] (count_leading_zeros): New.
3608 (count_trailing_zeros): New.
3609 (COUNT_LEADING_ZEROS_0): New.
3611 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3612 (alpha_split_conditional_move): New.
3613 * config/alpha/alpha-protos.h: Prototype them.
3614 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3615 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3616 * config/alpha/alpha.md: Update ffs cix commentary.
3618 (*nabssf2, *nabsdf2): New.
3619 (*mov[qhsd]icc_internal): Use add_operand.
3620 (if_then_else constant splitters): New.
3621 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3622 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3624 2000-05-29 Richard Henderson <rth@cygnus.com>
3626 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3627 a constant to NEG or NOT when conditions allow.
3629 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3630 unless both args are general_operand. Don't canonicalize plus
3631 to ior unless it helps.
3633 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3634 instead track register_life_up_to_date. Toggle no_new_pseudos
3637 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3639 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3640 so output_operand doesn't see them.
3642 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3644 * lcm.c (make_preds_opaque): Fix comment.
3645 (optimize_mode_switching): Use NORMAL_MODE instead of
3646 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3647 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3648 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3649 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3650 (MODE_USES_IN_EXIT_BLOCK): Delete.
3651 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3652 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3653 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3654 (MODE_NEEDED): Don't look for USE.
3655 (EPILOGUE_USES): Define.
3657 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3659 * mklibgcc.in (all): Variable initialised to `libgcc'.
3661 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3663 * toplev.h (skip_leading_substring): New macro.
3664 * toplev.c (decode_f_option): Use skip_leading_substring instead
3666 (decode_W_option): Likewise.
3668 2000-05-28 Nick Clifton <nickc@cygnus.com>
3670 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3673 2000-05-28 Richard Henderson <rth@cygnus.com>
3675 * regclass.c (record_operand_costs): Protect reg_changes_size
3676 with CLASS_CANNOT_CHANGE_SIZE.
3678 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3680 2000-05-28 Richard Henderson <rth@cygnus.com>
3682 * function.c (diddle_return_value): A pcc-style struct return
3685 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3687 * cppfiles.c: Read files in, using mmap if possible, then
3688 prescan them separately.
3689 (read_file, read_with_read): New functions.
3690 * cpplex.c: Don't define UCHAR_MAX.
3691 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3694 * cppinit.c (handle_option): Automatically define __cplusplus,
3695 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3696 the respective -lang switch.
3698 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3699 prototype): Move to...
3700 * cpplib.h: ... here. Rename struct hashnode to struct
3701 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3702 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3704 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3706 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3708 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3709 (class_can_change_size): New variable.
3710 (reg_changes_size): New variable.
3711 (init_reg_sets_1): Initialise class_can_change_size.
3712 (record_operand_costs): Remove subreg_changes_size.
3713 Don't pass it around. Instead update reg_changes_size.
3714 (regclass): Initialise and free reg_changes_size. If a register
3715 changes size, don't preference it to a class that contains
3716 registers that can't change size.
3717 (record_reg_classes): Don't look at subreg_changes_size.
3719 2000-05-27 Richard Henderson <rth@cygnus.com>
3721 * print-rtl.c (reg_names): Remove const.
3722 * regclass.c (reg_names): Likewise.
3723 * regs.h (reg_names): Likewise.
3724 * hard-reg-set.h (reg_names): Likewise.
3726 2000-05-27 Richard Henderson <rth@cygnus.com>
3728 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3730 2000-05-27 Richard Henderson <rth@cygnus.com>
3732 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3733 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3734 (alpha_expand_prologue): Emit prologue_mcount if needed.
3735 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3736 * config/alpha/alpha.md (prologue_mcount): New.
3737 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3738 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3739 * config/alpha/netbsd.h: Likewise.
3741 2000-05-27 Richard Henderson <rth@cygnus.com>
3743 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3744 change to config/elfos.h.
3746 2000-05-27 Richard Henderson <rth@cygnus.com>
3748 * Makefile.in (resource.o): Depend on except.h.
3749 * except.h (output_exception_table_data): Prototype.
3750 * genconfig.c (gen_peephole2): Prototype.
3751 * genemit.c (main): Include ggc.h.
3752 * genoutput.c: Revert parts of last change: include errors.h
3753 (main): Set progname.
3754 * recog.c: Include hard-reg-set.h before recog.h.
3755 * resource.c: Include except.h.
3757 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3759 (alpha_write_linkage): Protect with BUFSIZ.
3760 (alpha_need_linkage): Update prototype.
3761 * config/alpha/alpha.c (function_arg): Move VMS code here.
3762 (alpha_links_base): Remove.
3764 (mark_alpha_links_node, mark_alpha_links): New.
3765 (alpha_write_one_linkage): New.
3766 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3767 (alpha_write_linkage): Use splay_tree_foreach.
3768 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3769 to get the linkage symbol.
3770 (call_value_vms): Likewise.
3771 * config/alpha/elf.h (output_file_directive): Remove decl.
3772 (ctors_section, dtors_section): Prototype.
3773 (sbss_section, sdata_section): Prototype.
3774 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3775 (readonly_section, link_section, literals_section): Prototype.
3776 (ctors_section, dtors_section): Prototype.
3777 (vms_valid_decl_attribute_p): Remove decl.
3778 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3780 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3782 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3784 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3785 substituting the REG in a (subreg:X (reg:Y ...)).
3787 2000-05-28 Neil Booth <NeilB@earthling.net>
3789 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3790 first token of a line BOL. Update EOF code for this.
3791 Remove illegal directive check - it appears in the (not
3792 yet committed) caller.
3793 * cpplib.h (BOL): New flag.
3795 2000-05-28 Neil Booth <NeilB@earthling.net>
3797 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3798 (_cpp_free_toklist): No comment space to free.
3799 (expand_comment_space): Remove.
3800 (save_comment_space): Place the comment in the current token and
3801 not in a separate comment space.
3802 (_cpp_lex_line): Save comments during plain code and #define
3804 * cpplib.h (struct _cpp_toklist): Remove comment space.
3806 2000-05-28 Neil Booth <NeilB@earthling.net>
3808 * cppexp.c (parse_assertion): Supply extra argument to
3810 * cpplib.c (do_assert, do_unassert): Similarly.
3811 * cpphash.h (_cpp_init_toklist) Update.
3812 (_cpp_expand_token_space): New.
3813 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3814 * cpplex.c (_cpp_init_toklist): New argument.
3815 (parse_string2): New argument multiline_ok.
3816 (spell_token): Take a const cpp_token *.
3817 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3818 (SPELL_ macros): Replace with enum.
3819 (expand_token_space): Replace with _cpp_expand_token_space.
3820 Take COUNT argument.
3821 (IS_DIRECTIVE): Update.
3822 (_cpp_lex_line): Update token structure before parsing number.
3823 Don't assume start at beginning of token list.
3824 (save_comment): Use INIT_TOKEN_NAME.
3826 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3828 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3829 -Wmissing-prototypes.
3830 * configure: Regenerate.
3831 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3833 * builtins.c, calls.c: Change all instances of gen_call_* or
3834 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3835 * calls.c (struct_value_size_rtx): Separate definition from
3836 initialization to avoid unused variable warning.
3838 * genflags.c (gen_macro): New function.
3839 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3840 (gen_nonproto): Delete.
3841 (gen_insn): Put all insns on the same obstack.
3842 (main): Generate prototypes for everything unconditionally.
3844 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3845 out check for wchar_t.
3846 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3847 * system.h: Add infrastructure for defining missing
3848 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3849 definitions of UCHAR_MAX and SSIZE_MAX.
3850 * configure: Regenerate.
3851 * config.in: Regenerate.
3853 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3854 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3856 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3857 libgcc2.a, or libgcc1.null.
3859 2000-05-27 Richard Henderson <rth@cygnus.com>
3861 * Makefile.in (recog.o): Don't depend on resource.h.
3862 * recog.c: Don't include resource.h.
3863 (recog_last_allowed_insn): Remove.
3864 (recog_next_insn): Remove.
3865 (struct peep2_insn_data): New.
3866 (peep2_insn_data, peep2_current): New.
3867 (peep2_next_insn): New.
3868 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3869 (peep2_find_free_register): New.
3870 (peephole2_optimize): Track life information by insn as we go.
3871 * recog.h: Update declarations.
3872 * resource.c (find_free_register, reg_dead_p): Remove.
3873 * resource.h: Remove their declarations.
3874 * toplev.c: Include hard-reg-set.h before recog.h.
3876 * genconfig.c (max_insns_per_peep2): New.
3877 (gen_peephole2): New.
3879 * genemit.c (output_peephole2_scratches): Generate calls to
3880 peep2_find_free_register; adjust surrounding code.
3881 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3882 * genrecog.c (change_state): Don't track last_insn.
3883 (write_action): Write into *_pmatch_len before accepting.
3884 (write_tree): Adjust peephole2_insns and subroutines to match.
3886 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3888 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3889 (hard_int_register_operand): New.
3890 * config/alpha/alpha-protos.h: Declare it.
3891 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3892 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3893 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3895 2000-05-27 Richard Henderson <rth@cygnus.com>
3897 * function.c (thread_prologue_epilogue_insns): Don't move the
3898 line note at the head of the chain. Only force a lineno note
3899 before the end of block 0.
3901 2000-05-27 Richard Henderson <rth@cygnus.com>
3903 * gensupport.c (collect_insn_data): Record the maximum number
3904 of alternatives, not the last seen.
3906 * genoutput.c: Don't include errors.h.
3907 (struct data): Add lineno member.
3909 (scan_operands): Use message_with_line instead of error.
3910 (validate_insn_alternatives): Likewise.
3911 (gen_insn): Accept and store the pattern's line number.
3912 (gen_peephole, gen_expand, gen_split): Likewise.
3913 (main): Don't set progname. Pass line_no to gen_foo.
3915 2000-05-27 Richard Henderson <rth@cygnus.com>
3917 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3918 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3919 * config/d30v/d30v.md (attr predicable): New.
3920 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3921 (andsi3*): Unify into one pattern.
3922 (iorsi3*, xorsi3*): Likewise.
3923 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3925 (old cond_exec patterns): Remove.
3926 (define_cond_exec): New.
3928 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3930 * tree.h (TREE_CODE_LENGTH): New macro.
3931 * c-common.c (c_find_base_decl): Use it.
3932 * expr.c (safe_from_p): Likewise.
3933 * print-tree.c (print_node): Likewise.
3934 * tree.c (make_node, copy_node, get_identifier): Likewie.
3935 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
3936 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
3937 * fold-const.c (make_range): Likewise.
3938 (fold): Likewise; also use first_rtl_op.
3939 * c-iterate.c (collect_iterators): Use first_rtl_op.
3940 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
3941 Use IS_EXPR_CODE_CLASS.
3942 (preexpand_calls): Likewise.
3943 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
3944 and TREE_CODE_LENGTH.
3945 * stmt.c (warn_if_unused_value): If no operands, no unused value.
3947 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
3949 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
3951 (movdi_internal64): Likewise.
3953 * config/rs6000/rs6000.md: Correct order of operands for DImode
3956 * config/rs6000/rs6000.c (boolean_or_operator): New function.
3957 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
3958 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
3959 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
3960 boolean_operator for the boolean patterns without NOTs.
3962 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
3963 from reg_or_u_cint_operand. Change comment and behaviour.
3964 (logical_operand): Clean up, add assertion.
3965 (non_logical_cint_operand): Also check for
3966 reg_or_logical_cint_operand.
3967 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
3968 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
3974 2000-05-26 Mark Mitchell <mark@codesourcery.com>
3976 * tree.h (struct record_layout_info): Rename to (struct
3977 record_layout_info_s).
3978 * stor-layout.c (start_record_layout): Replace
3979 `record_layout_info' with `record_layout_info_s'.
3981 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3983 * flow.c (find_label_refs): New function.
3984 (find_basic_blocks_1): Call it for each alternative of a call
3987 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
3989 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
3992 2000-05-25 Richard Henderson <rth@cygnus.com>
3994 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
3995 so strict about DImode.
3996 (alpha_swapped_comparison_operator): Likewise.
3997 * config/alpha/alpha.md (*setne_internal): Name it. Allow
3998 any integer output mode.
3999 (*setcc_internal): Likewise.
4000 (*setcc_swapped_internal): Likewise.
4001 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
4002 (*mov[qhs]icc_internal): New.
4003 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
4005 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4007 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
4009 2000-05-25 Richard Henderson <rth@cygnus.com>
4011 * bb-reorder.c (reorder_block_def): Reorder elements for size.
4012 Remove add_jump; add next; replace flags with visited.
4014 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
4015 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
4016 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
4017 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
4019 (reorder_index, reorder_last_visited): Remove.
4020 (skip_insns_after_block): Rewrite to use a switch.
4021 (get_common_dest): Remove.
4022 (chain_reorder_blocks): Remove.
4023 (record_effective_endpoints): Split out from reorder_basic_blocks.
4024 (make_reorder_chain): Likewise. Loop until all blocks are placed.
4025 (make_reorder_chain_1): Renamed from old make_reorder_chain.
4026 Only construct the reorder chain, do not move insns. Try harder
4028 (label_for_bb, emit_jump_to_block_after): New.
4029 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
4030 and adjust the jump insns appropriately. Fixup basic_block_info.
4031 (verify_insn_chain): Always define.
4032 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
4034 (make_new_scope): Don't write zeros to calloc'd space.
4035 (build_scope_forest): Rely on xrealloc to DTRT.
4036 (reorder_basic_blocks): Don't build loop nest. Don't fail if
4037 profile_arc_flag. Streamline EH test.
4039 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
4040 * basic-block.h: Declare them.
4042 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
4044 * emit-rtl.c (reset_used_decls): New function.
4045 (unshare_all_rtl_again): Call it.
4047 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
4049 * cpplex.c (maybe_macroexpand): Warn about function-like
4050 macros used in non-function context, if -Wtraditional.
4052 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4054 * recog.c (peephole2_optimize): Use INSN_P.
4056 2000-05-25 Richard Henderson <rth@cygnus.com>
4058 * ifcvt.c (seq_contains_jump): New.
4059 (noce_try_store_flag_constants): Use it to fail conversion.
4060 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
4062 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4064 * except.h (can_throw): Declare it.
4065 * except.c (can_throw): Give it external linkage.
4066 * resource.c (find_dead_or_set_registers): Use can_throw.
4068 2000-05-25 Richard Henderson <rth@cygnus.com>
4070 * flow.c (mark_set_1): Don't record conditionally dead memory.
4072 2000-05-25 Jan Hubicka <jh@suse.cz>
4074 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
4075 and pc_set at the place of simplejump_p and condjump_p.
4076 * cse.c (record_jump_equiv): Likewise.
4077 * emit-rtl.c (emit): Likewise.
4078 * explow.c (find_next_ref): Likewise.
4079 * flow.c (tidy_fallthru_edge): Likewise.
4080 (init_propagate_block_info): Likewise.
4081 * gcse.c (delete_null_pointer_checks): Likewise.
4082 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
4083 dead_or_predicable): Likewise.
4084 * integrate.c (copy_insn_list): Likewise.
4085 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
4086 for_each_insn_in_loop, check_dbra_loop, get_condition,
4087 insert_bct, load_mems): Likewise.
4088 * resource.c (find_dead_or_set_registers): Likewise.
4089 * sibcalls.c (simplejump_p): Likewise.
4090 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
4092 2000-05-25 David Edelsohn <edelsohn@gnu.org>
4094 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
4095 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
4097 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
4098 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
4099 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
4100 * rs6000.md: Name various internal patterns.
4102 2000-05-25 Jan Hubicka <jh@suse.cz>
4104 * jump.c (invert_exp_1): Remove first argument, use pc_set
4105 to get the expression.
4106 (redirect_exp): Make static; redirect only the pc_set expression,
4107 remove first argument.
4108 (invert_exp): Remove first argument, make static.
4109 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4110 any_onlyjump at most places where we originaly did condjump_p
4112 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4113 (delete_barrier_succesors): Use pc_set.
4114 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4115 calls of invert_exp and redirect_exp.
4116 * rtl.h (redirect_exp, invert_exp): Remove.
4117 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4119 2000-05-25 Richard Henderson <rth@cygnus.com>
4121 * stmt.c (expand_end_bindings): Fix thinko last change.
4123 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4124 Andrew Haley <aph@cygnus.com>
4126 * except.c (func_eh_entry): Add emitted field.
4127 (new_eh_region_entry): Set emitted field to 0;
4128 (output_exception_table_entry): Only emit previously un-emitted data,
4129 and send it to the eh_data section.
4130 (output_exception_table): Break out common parts. Output
4131 exception table for entire compilation unit to eh_data section.
4132 (output_exception_table_data): Common parts of output_exception_table.
4133 Send output to eh_data section.
4134 (output_function_exception_table): Output exception table data for
4135 a single function to eh_data section.
4136 (free_exception_table): New external to free the table.
4137 * except.h (free_exception_table): Add prototype.
4138 (output_function_exception_table): Add prototype.
4139 * final.c (final_end_function): Output function exception table
4140 for IA64_UNWIND_INFO.
4141 (final_scan_insn): Emit any unwind directives for an insn.
4143 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4145 * frame.c: Remove all DWARF 2 specific code.
4146 * config/ia64/frame-ia64.c: New file.
4147 (gthread_stuff): Make all gthread available with
4149 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4150 (__register_frame_info, __register_frame): Move to common area of file.
4151 (__register_frame_info_table, __register_frame_table): Move to common i
4153 (__deregister_frame_info, __deregister_frame): Move to common area.
4154 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4155 (read_uleb128): New version for ia64.
4156 (get_unwind_record): Read the next IA-64 unwind record.
4157 (read_R_record): Read a region header record.
4158 (process_a_b_reg_code): X record helper.
4159 (read_X_record): Read an X format record.
4160 (read_B_record): Read a B format record.
4161 (P3_record_types): List of record types matching the P3 format.
4162 (P7_record_types): List of record types matching the P7 format.
4163 (P8_record_types): List of record types matching the P8 format.
4164 (read_P_record): Read a P format record.
4165 (init_ia64_reg_loc): Set default fields for a register.
4166 (init_ia64_unwind_frame): Set defaults for all register records.
4167 (execute_one_ia64_descriptor): Execute one descriptor record.
4168 (rse_address_add): Calculate the position of a local reg in memory.
4169 (normalize_reg_loc): Turn a location descriptor into a memory address.
4170 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4171 within a specified PC offset range.
4172 (get_real_reg_value): Given a register location, retrieve its value.
4173 (set_real_reg_value): Change the value of a register location.
4174 (copy_reg_value): Copy reg values, if needed.
4175 (copy_saved_reg_state): Copy all registers that need to be copied.
4176 (process_state_between): Normalize all frame register records that
4177 fall within the specified PC range.
4178 (frame_translate): Take a processed frame description, and turn
4179 everything into addresses.
4180 (build_ia64_frame_state ): Find and create frame state record for a PC.
4181 (get_personality): Get the personality routine for a given frame.
4182 (get_except_table): Get the exception table for a given frame.
4183 (record_name): Unwind record names for debugging.
4184 (print_record): Print and unwind record.
4185 (print_all_records): Print an entire unwind image.
4186 (__ia64_backtrace): Print a backtrace.
4187 (ia64_backtrace_helper): New function.
4188 (__register_frame_info_aux): New function.
4189 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4191 * frame.h (enum unw_record_type): New unwind record types.
4192 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4193 (struct unw_r_record, unwind_record): New unwind record structs.
4194 (struct unwind_info_ptr): Unwind information layout.
4195 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4197 (struct ia64_reg_loc): Register location description.
4198 (struct ia64_frame_state): Location of all registers in a frame.
4199 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4200 * libgcc2.c (__ia64_personality_v1): Personality routine.
4201 (__calc_caller_bsp): Calculate the bsp register for the caller's
4203 (ia64_throw_helper): Figure out who to return to and set up the
4205 (__throw): Throw routine.
4207 * output.h (assemble_eh_align, assemble_eh_label): New functions
4208 to generate EH info where we want it.
4209 (assemble_eh_integer): New function.
4210 * toplev.c (compile_file): Output module level exception table for
4212 (main): Set exceptions_via_longjump and flag_new_exceptions based
4213 on IA64_UNWIND_INFO too.
4215 * varasm.c (assemble_eh_label): Generate a label via
4216 ASM_OUTPUT_EH_LABEL if it has been specified.
4217 (assemble_eh_align): Generate an alignment directive via
4218 ASM_OUTPUT_EH_ALIGN if it has been specified.
4219 (assemble_eh_label): Generate an integer value via
4220 ASM_OUTPUT_EH_type if they have been specified.
4221 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4222 (ia64_init_builtins): Add __builtin_ia64_bsp
4223 and __builtin_ia64_flushrs.
4224 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4225 IA64_BUILTIN_FLUSHRS.
4226 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4227 IA64_BUILTIN_FLUSHRS.
4229 * config/ia64/ia64.md (flushrs): New insn to flush the register
4230 stack. Add to unspec list.
4232 * config/ia64/crtbegin.asm (frame_object): Change size.
4233 (__do_frame_setup_aux): New function.
4234 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4235 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4236 * Makefile.in (LIB2ADDEH): Add.
4237 (LIB2ADD): Use LIB2ADDEH.
4239 2000-05-24 Richard Henderson <rth@cygnus.com>
4241 * recog.c (offsettable_address_p): If mode size is zero, assume
4244 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4246 * configure.in: Check for -Wno-long-long option support and improve
4247 handling of warning CFLAGS for stages 1 and 2.
4248 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4249 * configure: Regenerate.
4251 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4253 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4254 * contrib.texi: New file.
4256 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4258 * loop.c (basic_induction_var): Avoid double recording of an increment.
4260 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4262 * Back out this patch:
4263 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4264 * loop.h (struct induction): Add multi_insn_incr.
4265 * loop.c (basic_induction_var): New multi_insn_incr argument.
4266 Set it if we search back through previous insns for the biv.
4267 (record_biv): New multi_insn_incr argument; fill in struct induction.
4268 (strength_reduce): Discard an iv with multiple bivs, any of
4269 which require multiple insns to increment.
4271 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4273 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4275 * rtl.h (loc_mentioned_in_p): Declare.
4276 * reload.c (loc_mentioned_in_p): Moved from here...
4277 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4278 Fix loop increment for 'E' handling.
4279 * loop.c (strength_reduce): When doing biv->giv conversion,
4280 take multi-insn biv increments into account.
4282 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4284 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4287 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4289 * calls.c (expand_call): Handle cleanups in tail-recursion
4290 arguments analagously to cleanups in sibling calls.
4292 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4295 All callers changed.
4297 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4299 * expr.c (expand_assignment, store_expr, expand_expr,
4300 expand_expr_unaligned): Set in_check_memory_usage while emitting
4301 chkr_check_addr libcall.
4303 2000-05-24 Nick Clifton <nickc@cygnus.com>
4305 * fold-const.c (extract_muldiv): When constructing a
4306 multiplier/divisor, do not expect const_binop to correctly
4307 determine if overflow has occured, so check explicitly.
4309 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4311 * c-decl.c (build_enumerator): Don't modify the value's type,
4314 2000-05-24 Andreas Jaeger <aj@suse.de>
4316 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4318 2000-05-24 Eric Christopher <echristo@cygnus.com>
4320 * configure.in: Redefine inhibit_libc conditions.
4321 * libgcc2.c: Remove inhibit_libc conditional define.
4322 * configure: Regenerate.
4324 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4326 * configure.in: For --enable-languages=LIST, check for empty LIST.
4327 * configure: Regenerate.
4329 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4331 * pdp11.h (STACK_BOUNDARY): Define.
4333 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4335 * ifcvt.c (if_convert): Update life info globally.
4337 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4339 * emit-rtl.c (unshare_all_decls): New function.
4340 (unshare_all_rtl): Call it.
4342 2000-05-23 Nick Clifton <nickc@cygnus.com>
4344 * configure.in: Treat 'strongarm' as if it were 'arm' when
4345 determining cpu type.
4347 * configure: Regenerate.
4349 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4350 where constant strings are involved.
4352 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4355 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4356 cases where constant strings are involved.
4358 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4360 * config/sh/sh.c (gen_far_branch, split_branches): Update
4361 to reflect new prototypes for redirect_jump and invert_jump.
4362 (sh_insn_length_adjustment): Get rid of const warnings.
4364 2000-05-23 Kazu Hirata <kazu@hxi.com>
4366 * invoke.texi (Options for Debugging Your Program or GCC): Update
4367 the names of dump files.
4369 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4371 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4372 * configure: Regenerated.
4374 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4376 * simplify-rtx.c (SIGN_EXTEND): New macro.
4377 (simplify_unary_operation, simplify_binary_operation,
4378 simplify_relational_operation): Use SIGN_EXTEND. Make low
4379 halves of (low, high) pairs unsigned if they weren't already.
4380 (simplify_ternary_operation): Cast INTVAL to unsigned before
4381 comparing to a MODE_BITSIZE.
4383 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4385 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4386 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4388 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4389 gcc_AC_NEED_DECLARATIONS.
4391 * dwarfout.c: Don't prototype time().
4393 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4395 * system.h: Likewise.
4397 * toplev.c: Likewise.
4399 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4401 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4403 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4405 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4407 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4409 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4411 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4413 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4414 (alpha_start_function): Never write ..ng label if VMS or NT.
4415 (alpha_align_insns): Remove GP_IN_USE arg.
4416 Alignment now unsigned.
4417 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4418 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4419 and two define_insn's.
4421 2000-05-22 Richard Henderson <rth@cygnus.com>
4423 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4425 2000-05-22 Richard Henderson <rth@cygnus.com>
4427 * stor-layout.c (place_field): Change rli->size to rli->offset.
4429 2000-05-22 Richard Henderson <rth@cygnus.com>
4431 * function.c (thread_prologue_and_epilogue_insns): Make sure
4432 existing line number notes appear after the prologue.
4434 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4436 * config/alpha/alpha.c (alpha_fnname): New static variable.
4437 (print_operand, case '~'): New case.
4438 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4439 (alpha_start_function): Set alpha_fnname.
4440 Write "ng" label if no ldgp; don't write ldgp insn.
4441 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4442 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4444 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4446 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4449 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4451 * varasm.c (eh_frame_section): Revert change to argument list.
4453 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4455 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4456 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4458 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4459 dangling "else" that causes "break" to be conditional.
4460 Also remove unneeded code at start.
4462 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4464 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4465 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4466 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4468 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4470 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4473 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4475 * alias.c (record_component_aliases): New function.
4476 * tree.h: Clean up some declarations and comments.
4477 (record_component_aliases): New declaration.
4478 * tree.c (get_alias_set): If type and has alias set, use it.
4480 2000-05-22 Richard Henderson <rth@cygnus.com>
4482 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4483 IF_THEN_ELSE to a setcc form.
4484 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4486 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4488 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4489 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4491 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4493 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4496 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4498 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4499 * config/mn10300/mn10300.c (print_operand): Likewise.
4501 * final.c (split_double): Right shift of negative values is not
4504 * ifcvt.c (if_convert): Scan and kill dead code.
4506 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4508 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4510 * diagnostic.c: Eliminate implicit int.
4511 * except.c, gcc.c: Add static prototypes.
4512 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4513 * gensupport.c (process_rtx): Use XVEC to initialize vector
4516 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4517 debug_reg_names instead of static reg_names. If not, define
4519 * regclass.c: Don't define global reg_names unless
4520 DEBUG_REGISTER_NAMES is defined.
4522 * reload1.c (order_regs_for_reload): Remove unused variable.
4523 * varasm.c: Include output.h after defaults.h. Define
4524 eh_frame_section as function of no args, not of unspecified args.
4526 * gcc.c: Constify argbuf; arguments to store_arg,
4527 process_command, main; elements of struct command and struct
4528 switchstr; local variables in execute, process_command, main.
4530 2000-05-20 Bruce Korb <bkorb@gnu.org>
4532 * fixinc/inclhack.def: many applications of c_fix=format + tests
4533 * fixinc/check.diff: regenerated
4534 * fixinc/fixincl.x: regenerated
4536 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4538 * alias.c: Clarify some comments.
4539 (record_base_value): REGNO is unsigned.
4540 * rtl.h (record_base_value): Likewise.
4542 * alias.c (aliases_everything_p): Don't special-case QImode here.
4543 * c-common.c (c_get_alias_set): Do it here.
4544 Handle BIT_FIELD_REF by getting alias info for arg.
4547 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4549 * mklibgcc.in: Restore rule to create ${dir}.
4551 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4553 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4554 GCC_FOR_TARGET used by MULTILIBS.
4555 * mklibgcc.in: Make sure each .o file depends on the
4556 directory it will be in.
4557 Make the multilib directory depends libgcc.
4559 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4561 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4563 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4565 * fold-const.c (make_range): Handle degenerated intervals.
4566 Fixes c-torture/execute/991221-1.c
4568 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4570 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4571 * reload.c (find_equiv_reg): Likewise.
4572 * alias.c (init_alias_analysis): Likewise.
4573 Only call prologue_epilogue_contains on insns.
4574 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4575 * bb-reorder.c (hard-reg-set.h): Include earlier.
4576 * haifa-sched.c (hard-reg-set.h): Likewise.
4577 * ifcvt.c (hard-reg-set.h): Likewise.
4578 * local-alloc.c (hard-reg-set.h): Likewise.
4579 * loop.c (hard-reg-set.h): Likewise.
4580 * predict.c (hard-reg-set.h): Likewise.
4581 * regrename.c (hard-reg-set.h): Likewise.
4582 * flow.c (hard-reg-set.h): Likewise.
4583 (reg_set_to_hard_reg_set): New function.
4584 * bitmap.c (regs.h, basic-block.h): No longer include.
4585 (bitmap.h): Now include.
4586 * conflict.c (hard-reg-set.h): Include.
4587 * profile.c (hard-reg-set.h): Likewise.
4588 * print-rtl.c (hard-reg-set.h): Likewise.
4589 * sbitmap.c (hard-reg-set.h): Likewise.
4590 * toplev.c (hard-reg-set.h): Likewise.
4591 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4592 * hard-reg-set.h (reg_names): Now constant.
4593 * regs.h (reg_names): Likewise.
4594 * regclass.c (reg_names): Likewise.
4595 * loop.h (basic-block.h): No longer include.
4596 (bitmap.h): Now include.
4597 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4598 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4599 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4601 2000-05-19 Jan Hubicka <jh@suse.cz>
4602 Richard Henderson <rth@cygnus.com>
4604 * basic-block.h (struct edge_def): New field "count".
4605 (struct basic_block_def): Likewise.
4606 * flow.c (entry_exit_blocks): Add count fileds.
4607 (split_edge): Keep count information up-to-date.
4608 (dump_edge_info, dump_flow_info): Dump count fields.
4610 * final.c (count_instrumented_edges): Rename to edge from arc.
4611 (end_final): Update users.
4612 * profile.c: Include expr.h, basic-block.h.
4613 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4614 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4615 (ignore_next_note, return_label_execution_count): Kill.
4616 (bbg_file_name, da_file_name): Kill.
4617 (edge_info, bb_info): New structures.
4618 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4619 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4620 (total_num_edges_instrumented): Likewise.
4621 (init_arc, expand_spanning_tree): Kill.
4622 (fill_spanning_tree, tablejump_entry_p): Kill.
4623 (instrument_edges): Rewrite from instrument_arcs to use
4624 commit_edge_insertions infrastructure.
4625 (compute_branch_probabilities): Remove arguments; rewrite for
4626 CFG infrastructure; use rtl_dump_file directly.
4627 (branch_prob, find_spanning_tree): Likewise.
4628 (union_groups, find_group): New.
4629 (init_branch_prob): Make bbg_file_name and da_file_name local.
4630 (end_branch_prob): Use rtl_dump_file directly.
4631 (init_edge_profiler): Rename to edge from arc.
4632 (output_arc_profiler): Kill.
4633 (gen_edge_profiler): New.
4634 (output_func_start_profiler): Turn off profiling. Make the
4635 constructor static when we can.
4636 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4638 * toplev.c (DFI_flow): Remove.
4639 (DFI_cfg, DFI_life): New.
4640 (dump_file): Update accordingly.
4641 (compile_file): Call end_branch_prob if profile_arc_flag too.
4642 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4643 profiling after the CFG is built. Move flow1 life analysis to
4644 DFI_life. Always estimate remaining probabilities.
4646 2000-05-19 Richard Henderson <rth@cygnus.com>
4648 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4650 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4652 2000-05-19 Richard Henderson <rth@cygnus.com>
4654 * jump.c (redirect_jump): Add delete_unused argument. Don't
4655 remove labels and code following when LABEL_NUSES goes to zero.
4656 (invert_jump): Likewise.
4657 (jump_optimize_1): Fix redirect/invert arguments.
4658 (do_cross_jump, thread_jumps): Likewise.
4659 * flow.c (split_edge): Likewise.
4660 * reorg.c (optimize_skip): Likewise.
4661 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4662 * profile.c (instrument_arcs): Likewise.
4663 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4664 * rtl.h: Update prototypes.
4666 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4668 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4670 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4673 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4675 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4676 past l1 when deleting whitespace and markers.
4678 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4679 * cpplib.c (do_unassert): Put the list to compare against on
4682 2000-05-19 Bruce Korb <bkorb@gnu.org>
4684 * fixinc/README: cleaned up old documentation
4685 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4686 * fixinc/check.tpl: compute the list of needed directories
4687 emit "#if defined(name)" because of conflict
4688 omit machine name differences from output differences
4689 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4690 (machine_name): change test text to use `sed' markers
4691 * fixinc/fixincl.x: regen
4693 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4695 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4698 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4700 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4701 it to match the current practice.
4703 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4705 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4707 2000-05-18 Richard Henderson <rth@cygnus.com>
4709 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4710 * rtl.h (insn_dependant_p): Declare it.
4711 * loop.c (strength_reduce): Use it.
4713 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4715 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4716 16-bit and 64-bit clean-up.
4718 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4720 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4721 * configure: Rebuilt.
4723 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4725 * genopinit.c: Use $ for escape sequences in optab patterns.
4726 Remove backslashes from optab patterns. Change $A, $B, $C to
4727 expand to (int) whatever instead of just whatever; remove
4728 explicit (int) from all optab patterns.
4730 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4731 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4732 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4733 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4736 2000-05-18 Richard Henderson <rth@cygnus.com>
4738 * jump.c (jump_optimize_1): Base minimum insn count during
4739 find_cross_jump on BRANCH_COST.
4741 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4743 * print-rtl.c (print_rtx): Only print note line number as string
4744 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4745 * final.c (final_scan_insn): Do nothing for note line number 0.
4747 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4749 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4750 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4751 NOTE_INSN_DELETED_LABEL.
4753 2000-05-18 Nick Clifton <nickc@cygnus.com>
4755 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4756 uninitialised data in .rodata not .bss, and do not interpret an
4757 error in the initialisation value as meaning that the variable
4758 should be placed in the .bss section.
4760 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4762 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4763 not `$ac_cv_prog_cc_cc_c_o'.
4764 * configure: Regenerated.
4766 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4767 Richard Henderson <rth@cygnus.com>
4769 * c-common.h (enum c_tree_index): Add g77 type entries.
4770 (g77_integer_type_node, g77_uinteger_type_node): New.
4771 (g77_longint_type_node, g77_ulongint_type_node): New.
4772 * c-decl.c (init_decl_processing): Initialize them.
4774 2000-05-18 Richard Henderson <rth@cygnus.com>
4776 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4778 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4779 (small_power_of_two): Likewise; use exact_log2.
4780 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4781 (output_adds_subs): Remove.
4782 (two_insn_adds_subs_operand): New.
4783 (split_adds_subs): New.
4784 * config/h8300/h8300-protos.h: Update.
4785 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4786 (CONST_OK_FOR_L): Match strict adds operands.
4787 (CONST_OK_FOR_N): Match struct subs operands.
4788 * config/h8300/h8300.md (adds_subs insns): Remove.
4789 (addhi patterns): Output adds/subs directly.
4790 (addsi_h8300h): Likewise.
4791 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4793 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4795 * cppexp.c (parse_assertion): New.
4796 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4797 (_cpp_parse_expr): Remove case '#'. Don't set
4798 parsing_if_directive.
4799 * cpphash.c (collect_objlike_expansion,
4800 collect_funlike_expansion, collect_params,
4801 _cpp_create_definition): The list no longer has a trailing
4803 * cpphash.h (enum node_type): Add T_ASSERTION.
4804 (struct hashnode): Remove aschain, add pred.
4805 (struct predicate): New.
4808 * cpplex.c (expand_token_space): Handle both offset and
4810 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4811 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4812 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4813 _cpp_equiv_toklists): New.
4814 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4815 stop at any single-character token, not just newline.
4816 (_cpp_lex_token): Remove special cases for #define and #if.
4817 (cpp_get_token): Expect # as a separate token type. Remove
4819 (_cpp_get_directive_token): Remove DIRECTIVE case.
4820 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4822 * cpplib.c (_cpp_check_directive): Set dirno and
4823 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4824 (_cpp_handle_directive): Run # <number> through the same logic
4825 as normal directives.
4826 (do_define): Don't set parsing_define_directive. Use
4827 _cpp_scan_until. The list does not have a VSPACE at the end.
4828 (do_if): Save, clear, and restore only_seen_white around
4830 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4831 (do_assert, do_unassert): Rewrite.
4833 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4834 (LIST_OFFSET): New flag.
4835 (struct cpp_toklist): Replace dir_handler and dir_flags with
4837 (struct cpp_reader): Remove parsing_if_directive and
4838 parsing_define_directive.
4840 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4842 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4843 following the cabs decl which terminate on the following line.
4844 Add the corresponding test_text case.
4846 2000-05-18 Neil Booth <NeilB@earthling.net>
4848 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4849 default tab stop size.
4850 (no_num, OPT_ftabstop): New.
4851 (handle_option): Handle "ftabstop=" command-line option.
4852 (print_help): Document it.
4853 * cpplex.c (COLUMN): Remove.
4854 (handle_newline): Reset col_adjust.
4855 (skip_whitespace): Update col_adjust as tabs encountered.
4856 (_cpp_lex_line): Update to use col_adjust. Call
4857 skip_whitespace for all whitespace.
4858 * cpplib.h (struct cpp_options): New member tabstop.
4859 (struct cpp_reader): New member col_adjust.
4860 (CPP_BUF_COL): Update.
4861 (CPP_BUF_COLUMN): New.
4862 * cpp.texi: Document "-ftabstop=" command line option.
4864 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4866 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4868 * configure: Rebuilt.
4870 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4872 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4874 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4875 HOST_BITS_PER_WIDE_INT is >= 64.
4877 2000-05-17 Richard Henderson <rth@cygnus.com>
4879 * jump.c (jump_optimize_1): Remove inactive but real insns
4880 in jump-to-next-insn optimization.
4882 2000-05-17 Richard Henderson <rth@cygnus.com>
4884 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4885 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4886 Don't call recompute_reg_usage if no_new_pseudos is true.
4887 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4888 Return true if we did work; update global life information.
4889 * basic-block.h (optimize_mode_switching): Update decl.
4891 2000-05-17 Neil Booth <neilb@earthling.net>
4893 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4895 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4897 * cpplib.c: New feature, #pragma system_header.
4898 * cpp.texi: Document special treatment of system headers, and
4899 the various mechanisms to get a header that special treatment.
4901 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4903 * system.h (offsetof): Define at the very end, to ensure we prefer
4904 the platform's definition if available.
4906 2000-05-16 Bruce Korb <bkorb@gnu.org>
4908 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4909 * fixinc/server.c: likewise
4910 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4911 + #ifdef debugging code + use #def constant for
4913 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4914 on C++ math namespace
4916 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4919 Don't check the return value of sprintf. Use asprintf to avoid
4922 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4924 * flags.h (warn_unused_function, warn_unused_label,
4925 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4926 Replace ``warn_unused''.
4927 (set_Wunused): Add declaration.
4928 * toplev.c (set_Wunused): New function.
4929 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4930 warn_unused_variable, warn_unused_value): New variables.
4931 (W_options): Add -Wunused-function, -Wunused-function,
4932 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4933 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
4935 * toplev.c (decode_W_option): Update -Wunused flags by calling
4937 * c-decl.c (c_decode_option): Ditto for -Wall.
4939 * stmt.c (expand_expr_stmt, expand_expr_stmt,
4940 warn_about_unused_variables): Replace warn_unused with more
4941 explicit warn_unused_value et.al.
4942 * function.c (expand_function_end): Ditto.
4943 * c-typeck.c (internal_build_compound_expr,
4944 internal_build_compound_expr): Ditto.
4945 * c-decl.c (poplevel, pop_label_level): Ditto.
4946 * toplev.c (check_global_declarations): Replace warn_unused with
4947 check for either warn_unused_function or warn_unused_variable.
4949 * gcc.1, invoke.texi (Warning Options): Document
4950 -Wunused-function, -Wunused-function, -Wunused-label,
4951 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
4953 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
4955 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
4956 $(srcdir), not in the current directory.
4958 2000-05-16 Richard Henderson <rth@cygnus.com>
4960 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
4961 assembler supports it.
4962 (.fini, .init): Use a gp-relative indirect call.
4963 (__do_global_dtors_aux): Preserve the gp; rebundle.
4964 (__do_frame_setup): Likewise.
4965 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
4966 (.init): Use a gp-relative indirect call.
4967 (__do_global_ctors_aux): Preserve the gp.
4969 2000-05-16 Richard Henderson <rth@cygnus.com>
4971 * flow.c (commit_one_edge_insertion): Be prepared for a return
4972 insn to be inserted on the edge with a normal jump.
4973 * jump.c (jump_optimize_1): Don't look to create return isns.
4975 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
4976 * jump.c (jump_optimize_1): Likewise.
4977 (returnjump_p): Verify the argument is a JUMP_INSN.
4978 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
4980 2000-05-16 Nick Clifton <nickc@cygnus.com>
4982 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
4983 GET_RTX_CLASS (GET_CODE ()) == 'i'.
4984 (large_insn_p): Ditto.
4985 (m32r_is_insn): New function: Return true if the insn contains
4986 an executable instruction.
4987 (m32r_adjust_insn): Use m32r_is_insn.
4988 (m32r_sched_reorder): Use m32r_is_insn.
4989 (m32r_sched_variable_issue): Use m32r_is_insn.
4991 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4993 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
4996 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
4998 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
4999 according to given options.
5001 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
5003 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
5004 if X has VOIDmode either.
5005 (LIMIT_RELOAD_CLASS): Similarly.
5007 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
5008 not "general_operand" to match the processor's capabilities.
5010 2000-05-16 Bruce Korb <bkorb@gnu.org>
5012 * fixinc/README: corrected return address
5013 * fixinc/check.diff: regenerate, now that test works
5014 * fixinc/fixfixes.c(format_fix,format_write): reformatted
5015 (char_macro_def_fix,char_macro_use_fix): corrected and
5016 rewrote to use regex to parse the text
5017 * fixinc/inclhack.def: more testing
5018 * fixinc/fixincl.x: regenerated
5020 * fixinc/inclhack.def: added several "test_text" attributes
5021 changed several fixes to use `c_fix = format'
5022 re-alphabetized the fixes
5024 * fixinc/check.diff: regenerate
5025 * fixinc/fixincl.x: regenerate
5026 * fixinc/check.tpl: added `sparc' and `netinet' to the list
5030 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
5032 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
5034 2000-05-15 Richard Henderson <rth@cygnus.com>
5036 * toplev.c (rest_of_compilation): Run full jump pass before
5037 find_basic_blocks of flow2.
5039 2000-05-15 Richard Henderson <rth@cygnus.com>
5041 * jump.c: Fix typos and clarify commentary from last change.
5042 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
5043 (safe_to_remove_jump_p): Remove.
5044 (condjump_label): Use pc_set.
5046 2000-05-15 Richard Henderson <rth@cygnus.com>
5048 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
5049 that get in the way after reload.
5050 (cond_exec_process_if_block): Skip a label heading THEN block.
5052 2000-05-15 Richard Henderson <rth@cygnus.com>
5054 * varasm.c (output_constant_pool): Abort instead of converting
5055 (improperly) deleted labels to zero.
5057 2000-05-16 Neil Booth <NeilB@earthling.net>
5059 * cpplex.c (parse_string2): Update comment.
5060 (cpp_lex_line): No special assertion treatment for '('.
5061 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
5062 * cpplib.h (SYNTAX_ASSERT): Remove.
5064 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5066 * jump.c (condjump_p): Mark as depreached.
5067 (any_condump_p): New.
5068 (any_uncondump_p): New.
5070 (safe_to_remove_jump_p): New.
5071 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
5072 safe_to_remove_jump_p): Declare.
5074 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5076 * calls.c: Re-install both patches reverted by last patch.
5077 (struct arg_data): New field tail_call_reg.
5078 (initialize_argument_information): Initialize tail_call_reg
5079 (load_register_parameters): New argument flags, use
5080 tail_call_reg when emiting tail call sequence.
5081 (expand_call): Update call of load_register_parameters;
5082 copy unadjusted_args_size to adjusted_args_size.
5084 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5086 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
5087 and bct_p parameters to flags.
5088 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
5089 * rtl.h (loop_optimize): Update prototype.
5090 * toplev.c (rest_of_compilation): Update call of loop_optimize.
5092 2000-05-15 Jakub Jelinek <jakub@redhat.com>
5094 * calls.c (expand_call): Move expand_start_target_temps call after
5097 2000-05-15 Neil Booth <NeilB@earthling.net>
5099 * cpphash.c (trad_stringify, warn_trad_stringify,
5100 collect_params): Make some pointers pointers to const.
5101 * cpplex.c (auto_expand_name_space) Guaranteed to always
5102 expand by at least one character.
5103 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
5104 (struct token_spelling): Use const U_CHAR * rather than PTR.
5105 (expand_name_space): Fix up token pointers if name space
5106 is moved when expanding.
5107 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
5108 parse_string2, save_comment, spell_token, cpp_output_list):
5109 Update so the routines handle tokens with a direct pointer to
5110 their text, rather than an offset into the token's list's namebuf.
5111 (_cpp_lex_line): Rearrange for clarity.
5113 * cpplib.c (_cpp_check_directive): Similarly.
5114 (do_define): Make SYM a pointer to const.
5115 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5116 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5117 (TOK_OFFSET): Delete.
5120 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5122 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5125 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5127 (logical_u_operand): Delete.
5128 (non_logical_cint_operand): Rewrite to take MODE into account.
5129 (non_logical_u_cint_operand): Delete.
5130 (boolean_operator): New function.
5131 (print_operand): Add new %q operand.
5132 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5133 remove logical_u_operand and non_logical_u_cint_operand,
5134 update logical_operand and non_logical_cint_operand.
5135 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5136 logical operations to use %q.
5138 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5139 (movdi): Make similar to movsi.
5140 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5141 is no such thing as a DImode CONST_DOUBLE.
5142 * config/rs6000/rs6000.c (output_toc): Likewise.
5144 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5145 codes when old mnemonics are in use. Print register names
5146 for cc registers when requested.
5148 * optabs.c (expand_float): Don't allow mode widening that causes
5151 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5152 flags to their current names -maix64 and -maix32.
5154 2000-05-14 Bruce Korb <bkorb@gnu.org>
5156 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5157 and/or after current text of file
5158 * fixinc/fixlib.c(must_malloc):
5159 * fixinc/fixlib.h(must_malloc): + reformatting
5160 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5161 with usages of ``c_fix = wrap;''
5162 Add several tests and use the ``c_fix = format'' fixer more.
5163 * fixinc/fixincl.x: regen
5164 * fixinc/check.diff: regen
5165 * fixinc/check.tpl: emit the associated header with the missing
5168 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5170 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5171 variables $src and $dst.
5173 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5175 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5176 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5177 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5178 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5180 (set_message_prefixing_rule): Declare.
5182 * diagnostic.c: (current_prefixing_rule): New variable.
5183 (set_message_prefixing_rule): Define.
5184 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5185 (init_output_buffer): Adjust Initialization.
5186 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5188 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5190 * ifcvt.c (if_convert): Do not free NULL.
5192 2000-05-12 H.J. Lu (hjl@gnu.org)
5194 * gthr-dce.h: Add support for libobjc.
5195 * gthr-posix.h: Likewise.
5196 * gthr-solaris.h: Likewise.
5197 * gthr-vxworks.h: Likewise.
5198 * gthr-single.h: Likewise.
5199 * gthr-win32.h: Likewise.
5201 2000-05-12 Nick Clifton <nickc@cygnus.com>
5203 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5204 to move a double word value.
5205 (di_operand): New function: Return true if the operand is suitbale
5206 for a double word move operation.
5207 (nonimmediate_di_operand): New function: Return true if the
5208 operand is a DImode register or MEM.
5210 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5211 nonimmediate_di_operand.
5213 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5214 nonimmediate_di_operand.
5216 * config/fr30/fr30.md (movdi): New pattern. Required because
5217 other patterns generate DImode results.
5218 (movdi_insn): New pattern.
5220 2000-05-12 Richard Henderson <rth@cygnus.com>
5222 * config/alpha/alpha.c (struct shadow_summary): Define
5223 bitfields as type unsigned int.
5225 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5227 * config/avr/t-avr: Added definition of FLOAT while generates
5230 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5231 peepholes for tst+jump = sbrs/sbrc optimization.
5233 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5235 * expr.c (emit_push_insn): Do not adjust stack pointer when
5238 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5240 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5241 * system.h (offsetof): ... to here.
5243 2000-05-12 Richard Henderson <rth@cygnus.com>
5245 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5246 * final.c (final_end_function): Use app_disable. Rearrange note
5247 handling into a switch. Emit deleted labels.
5248 (output_asm_label): Generate label strings for deleted labels.
5249 * flow.c (tail_recursion_label_list): New.
5250 (find_basic_blocks_1): Set label_value_list directly. Collect list
5251 of tail recursion labels from call_placeholders. Don't add deleted
5252 labels to the label value list.
5253 (cleanup_cfg): Use free_EXPR_LIST_list.
5254 (flow_delete_insn_chain): Turn non-removable labels into notes.
5255 (flow_delete_block): Don't disable deleting the block because of
5256 a non-removable label.
5257 (tail_recursion_label_p): New.
5258 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5260 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5262 (merge_blocks): Disable a merge because of tail recursion labels.
5263 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5264 Use a more accurate measure of not merging the join block.
5265 (find_if_block): Don't disable conversion because of a label.
5266 (find_if_case_1, find_if_case_2): Likewise.
5267 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5268 element when copying.
5269 (squeeze_notes): Also leave EH notes.
5270 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5272 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5274 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5275 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5276 referring to a deleted label. Convert tail handling to a switch.
5277 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5278 for NOTE_INSN_DELETED_LABEL.
5279 (NOTE): Fix commentary.
5280 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5281 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5282 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5283 (LABEL_NUSES, LABEL_REFS): Likewise.
5284 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5286 2000-05-12 Bruce Korb <bkorb@gnu.org>
5288 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5289 * fixinc/check.diff: updated
5290 * fixinc/inclhack.def: corrected & added some test_text-s
5291 * fixinc/genfixes: removed unneeded options to autogen invocation
5292 * fixinc/fixincl.tpl: Specified the output file
5293 * fixinc/fixfixes.c: visual appearance
5294 * fixinc/fixincl.x: regenerate
5296 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5298 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5299 CTRL_defn_fix): Delete.
5300 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5301 char_macro_def_fix and char_macro_use_fix, respectively. Put
5302 them into the FIXUP_TABLE. Get the string to search for from
5305 (format_write): New function.
5306 (format_fix): Use it.
5308 (FIX_PROC_HEAD): Constify text parameter.
5309 (machine_name_fix): Constify all char *s.
5310 * fixtests.c (skip_quote): Remove double static.
5312 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5313 ctrl_use_quotes): Update for new scheme.
5314 * fixincl.x: Regenerate.
5316 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5318 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5320 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5321 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5323 2000-05-11 Robert Lipe <robertlipe@usa.net>
5325 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5326 * fixincl.x: Regenerate.
5328 2000-05-11 Richard Henderson <rth@cygnus.com>
5330 * calls.c: Revert both 05-09 patches.
5332 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5334 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5336 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5339 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5340 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5342 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5344 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5346 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5348 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5350 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5352 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5353 * config/avr/avr.c (jump_over_one_insn_p): New function.
5354 * config/avr/avr.md: New peepholes added. Output test and
5355 conditional jump to "sbrc" or "sbrs" command.
5357 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5359 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5361 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5363 * except.c (find_exception_handler_labels_1): New function.
5364 (find_exception_handler_labels): Split into two functions, dive
5365 into CALL_PLACEHOLDERs when looking for exception handler labels.
5367 2000-05-11 Stan Cox <scox@cygnus.com>
5369 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5370 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5371 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5373 2000-05-11 Bruce Korb <bkorb@gnu.org>
5375 * fixinc/fixfixes.c (double_slash_fix): obsolete
5376 (else_endif_label_fix): obsolete
5377 (format_fix): new, unused as yet
5379 * fixinc/fixlib.h: added fix description struct for use by format_fix
5380 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5381 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5382 modules. Removed the vestiges of the script version.
5383 Added support for "make check".
5384 * fixinc/check.diff: base diff file (needs work!!)
5385 * fixinc/check.tpl: quiet the fixup output
5386 * fixinc/fixtests.c (main): obsolete
5387 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5388 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5390 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5392 * toplev.c (rest_of_compilation): Remove dead code after
5395 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5397 * cpphash.c (collect_funlike_expansion): Make "# is not
5398 followed by a macro argument name" a pedwarn, not an error.
5399 Preserve the # in the output. Suppress the warning if lang_asm.
5401 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5403 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5404 * configure: Rebuilt.
5406 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5408 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5410 2000-05-10 Kazu Hirata <kazu@hxi.com>
5412 * combine.c (try_combine): Fix a typo.
5414 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5416 * config/ia64/ia64.md (insv): Add comment.
5418 2000-05-10 Richard Henderson <rth@cygnus.com>
5420 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5421 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5422 dependancies on FPBIT and DPBIT.
5424 2000-05-10 Nick Clifton <nickc@redhat.com>
5426 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5427 when optimising for size.
5428 (mark_used_regs:) Ditto.
5429 (try_pre_increment_1): Ditto.
5431 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5433 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5434 Make error message friendlier.
5436 * cpphash.h (struct hashnode): Use struct hack for name
5438 * cpphash.c (struct hashdummy): New.
5439 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5440 (make_HASHNODE): No need to set ->name pointer. Correct
5442 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5444 2000-05-10 Richard Henderson <rth@cygnus.com>
5446 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5449 2000-05-10 Bruce Korb <bkorb@gnu.org>
5451 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5453 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5455 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5456 after we enter .debug.
5458 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5460 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5461 abstract instance of a nested inline function.
5463 * stor-layout.c (finish_record_layout): finalize_type_size
5464 before laying out the pending_statics.
5466 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5468 * cpplex.c (spell_token): New function.
5469 (spell_string, spell_comment, spell_name): fold into
5472 (E, H): Remove macros.
5473 (save_comment): Save comment opening characters too.
5474 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5476 * cpplib.h (I, S): Add macros.
5477 (E, H): Remove macros.
5478 (TTYPE_TABLE): Update entries for new speller.
5479 (SYNTAX_ASSERT): Remove.
5481 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5483 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5484 when removing escaped newlines. Reverse sense of test for
5487 2000-05-09 Richard Henderson <rth@cygnus.com>
5489 * flow.c (find_basic_blocks_1): Do not delete the first
5490 bb_note we run across.
5491 (create_basic_block): Use reorder_insns to move an existing
5492 bb_note to the correct place.
5494 2000-05-09 Richard Henderson <rth@cygnus.com>
5496 * calls.c (expand_call): Increment currently_expanding_call
5497 before calling optimize_tail_recursion.
5499 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5501 * reload1.c (reload_combine): Fix errors in last change.
5503 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5505 * gcc.c (used_arg): Skip over a semicolon at the end of the
5506 split-up loop; don't break out of it.
5508 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5509 (tree.o): Depend on output.h.
5511 * c-decl.c (pending_invalid_xref_file,
5512 current_function_prototype_file): Constify.
5513 (pushdecl): Constify a local char *.
5514 (define_label): Constify filename parameter.
5515 * c-lex.c (init_parse): Constify parameter and return value.
5516 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5517 * c-tree.h: Update prototypes.
5518 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5519 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5520 objc/objc-parse.c: Regenerate.
5522 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5523 * dwarfout.h: Update prototypes.
5524 * expr.c (expand_expr): Constify a local char *.
5525 * flags.h: Constify main_input_filename.
5526 * function.c (expand_function_end): Constify filename parameter.
5527 * genrecog.c (make_insn_sequence): Use a character array for
5529 (main): Remove unused variables.
5530 * input.h: Constify input_filename, main_input_filename, and
5531 file_stack.name. Update prototypes.
5532 * output.h: Declare first_global_object_name and
5533 weak_global_object_name here, as const char *.
5534 * stmt.c (expand_asm_operands): Constify filename parameter.
5535 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5536 Constify filename parameter.
5537 (input_filename, main_input_filename): Constify.
5538 * toplev.h: Update prototypes.
5539 * tree.c: Include output.h. Don't declare
5540 first_global_object_name or weak_global_object_name. Clean up string
5541 bashing in get_file_function_name_long.
5542 * tree.h (struct tree_decl): Constify filename member.
5543 (input_filename): Constify.
5545 * varasm.c (first_global_object_name, weak_global_object_name):
5547 (assemble_start_function, assemble_variable): Clean up string bashing.
5549 * gcc.c: Constify all spec-related strings initialized,
5550 transitively, from string constants. Constify all strings
5551 and string variables related to multilibs.
5552 (set_spec, read_specs): Cast argument to free to PTR.
5553 (used_arg): Do not modify multilib_matches. Use strncmp plus
5554 length comparison to compare multilib switches.
5555 * genmultilib: Constify everything declared in multilib.h.
5557 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5559 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5562 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5564 * config/avr/avr-protos.h (extra_constraint): change a type of
5565 second argument from char to int to avoid warnings.
5566 (asm_output_byte): Likewise.
5568 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5569 (initial_elimination_offset): Handle elimination from
5570 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5571 (legitimate_address_p): Use MAX_LD_OFFSET.
5572 (legitimize_address): Likewise.
5573 (out_movqi_r_mr): Likewise.
5574 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5575 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5576 (out_movsi_mr_r): Likewise.
5577 (out_movqi_mr_r): Likewise.
5578 (out_movhi_mr_r): Likewise.
5579 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5580 count as CONST_INT != 6.
5581 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5582 shift count is a CONSTANT_P, but not a CONST_INT.
5583 (ashlhi3_out): Coding style modifications.
5584 (ashlsi3_out): Likewise.
5585 (ashrhi3_out): Likewise.
5586 (ashrsi3_out): Likewise.
5587 (lshrhi3_out): Likewise.
5588 (lshrsi3_out): Likewise.
5589 (ashrqi3_out): Generate shift for any known constant count without
5590 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5591 but not a CONST_INT.
5592 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5593 shift count is a CONSTANT_P, but not a CONST_INT.
5594 (extra_constraint): change a type of
5595 second argument from char to int to avoid warnings.
5596 (asm_output_byte): Likewise.
5597 (asm_file_end): Output size generated commands count as a hex
5600 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5602 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5604 (ashlqi3): Values of "length" attribute changed. Shift count
5605 uses constraints 'n' instead of 'i'.
5606 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5607 shifts without clobber register.
5608 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5609 (call_insn): Correct test for which_alternative == 1 (was 0).
5610 (call_value_insn): Likewise.
5612 * config/avr/t-avr: Remove definition of FLOAT while generates
5615 2000-05-09 Bruce Korb <bkorb@gnu.org>
5617 * fixinc/check.tpl: Template for checking fixes
5618 * fixinc/inclhack.def: Added 'test_text' for many fixes
5619 disable hpux8_bogus_inlines on SCO
5620 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5622 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5624 * calls.c (expand_call): Reorganize somewhat in order
5625 to avoid unnecesary recalculation inside loop and make
5626 tail call failure code cleaner.
5628 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5630 * alias.c (nonlocal_reference_p): Minor reformatting.
5631 * reload.c (find_equiv_reg): Simplify logic for
5632 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5633 some some reformatting.
5634 * reload1.c (reload_combine): Don't assume everything in
5635 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5637 2000-05-08 Richard Henderson <rth@cygnus.com>
5639 * final.c (current_insn_predicate): New.
5640 (final_scan_insn): Set it.
5641 * output.h (current_insn_predicate): Declare.
5643 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5644 Attach it to call insns.
5645 (cond_exec_process_if_block): Track probability for true and
5647 (dead_or_predicable): Likewise.
5649 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5650 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5651 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5652 (estimate_probability, expected_value_to_br_prob): Use them.
5654 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5655 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5656 (ia64_expand_prediction): New.
5657 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5658 as needed after calls.
5659 (ia64_epilogue_uses): Mark b0 used.
5660 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5661 (bne_true, bne_false): Remove.
5662 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5663 (br_true, br_false): New. Use predicate_operator and
5664 ia64_expand_prediction.
5665 (return_true, return_false): Likewise.
5666 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5667 (call_internal1, call_value_internal): Likewise.
5668 (call_value_internal1, call_multiple_values_internal1): Likewise.
5670 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5672 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5674 2000-05-08 Richard Henderson <rth@cygnus.com>
5676 * rtlanal.c (may_trap_p): Consider old-style and volatile
5679 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5681 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5683 2000-05-08 Richard Henderson <rth@cygnus.com>
5685 * config/ia64/ia64.h (predicate_operator): Declare.
5687 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5690 * gensupport.c (process_rtx): Copy and post-process each member
5691 of the define_insn rtvec individually.
5693 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5695 * cpplex.c (spell_token): New function.
5696 (TOKEN_LEN): Add 1 for whitespace.
5697 (_cpp_lex_file): Update to use spell_token.
5698 * cpplib.h (E): Remove.
5699 (TTYPE_TABLE): Update CPP_VSPACE entry.
5701 2000-05-08 Richard Henderson <rth@cygnus.com>
5703 * flow.c (init_propagate_block_info): Watch out for conditional
5704 branch to next instruction, and thus one outgoing edge.
5706 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5707 for global register variables; don't special case __[CD]TOR_LIST__;
5708 mind ggc_p for string allocation.
5710 2000-05-08 Nick Clifton <nickc@cygnus.com>
5712 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5714 2000-05-08 Bruce Korb <bkorb@gnu.org>
5716 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5717 i?86-*-msdosdjgpp* no longer uses fixincludes
5718 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5719 * fixinc/inclhack.sh: deleted
5720 * fixinc/hackshell.tpl: deleted
5721 * fixinc/inclhack.tpl: deleted
5722 * fixinc/Makefile.in: Remove dependencies on above
5723 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5725 2000-05-08 Andreas Jaeger <aj@suse.de>
5727 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5730 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5732 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5735 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5737 * cpplex.c: Move new lexer definitions and prototypes
5738 to top. Conditional include these and the code if
5739 NEW_LEXER is defined. Rename functions whose names
5740 clash if this code included.
5742 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5744 * rtl.def (COND_EXEC): Clarify.
5746 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5747 same fashion as zero_extendsidi2.
5749 2000-05-06 Richard Henderson <rth@cygnus.com>
5751 * config/ia64/ia64.c (predicate_operator): New.
5752 (ia64_print_operand): Handle 'J'.
5753 (rtx_needs_barrier): Handle COND_EXEC.
5754 * config/ia64/ia64.h (BRANCH_COST): Define.
5755 (PREDICATE_CODES): Update.
5756 * config/ia64/ia64.md: Docuement used unspec values.
5757 (attr predicable): New.
5758 (movxf, movxf_internal): New.
5759 (extendsfdf2): Don't comment out nop.
5760 (floatdidf2): Remove.
5761 (truncxfsf2, truncxfdf2, floatdixf2): New.
5762 (abssi2, absdi2): Put the neg in the "true" slot.
5763 (conditional branch instructions): Mark not predicable.
5764 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5765 (abs*_internal): Likewise.
5766 (alloc, set_bsp): Mark not predicable.
5767 (barrier, insn_group_barrier, flush_cache): Likewise.
5768 (define_cond_exec): New.
5770 2000-05-06 Richard Henderson <rth@cygnus.com>
5772 * c-decl.c: Include "tm_p.h".
5774 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5775 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5776 (ia64_expand_op_and_fetch): Declare.
5777 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5778 (setjmp_operand): Constify variables for XSTR.
5779 (ia64_encode_section_info): Likewise.
5780 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5782 (ia64_asm_output_external): Constify name.
5783 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5784 (process_for_unwind_directive): Provide switch default.
5785 (ia64_expand_compare_and_swap): Remove unused variables.
5786 (ia64_expand_builtin): Likewise.
5787 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5790 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5791 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5792 (shift_count_operand, shift_32bit_count_operand): Likewise.
5793 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5794 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5795 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5796 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5797 (ia64_expand_builtin): Likewise.
5798 (call_multiple_values_operation): Make dest_regno unsigned.
5800 2000-05-06 Richard Henderson <rth@cygnus.com>
5802 * rtl.def (DEFINE_COND_EXEC): New.
5803 * md.texi: Document it.
5805 * gensupport.c (input_file): Remove.
5806 (struct queue_elem): Add lineno.
5807 (rtx_ready_queue): Remove.
5809 (predicable_default): New.
5810 (predicable_true, predicable_false): New.
5811 (define_attr_queue, define_attr_tail): New.
5812 (define_insn_queue, define_insn_tail): New.
5813 (define_cond_exec_queue, define_cond_exec_tail): New.
5814 (other_queue, other_tail): New.
5815 (queue_pattern): New.
5816 (process_rtx): Add patterns to the appropriate queues.
5817 (is_predicable, identify_predicable_attribute): New.
5818 (n_alternatives, collect_insn_data): New.
5819 (alter_predicate_for_insn, alter_test_for_insn): New.
5820 (shift_output_template, alter_output_for_insn): New.
5821 (process_one_cond_exec, process_define_cond_exec): New.
5822 (init_md_reader): Read the entire file. Process define_cond_exec.
5823 (read_md_rtx): Return elements from the queues.
5825 2000-05-06 Richard Henderson <rth@cygnus.com>
5827 * flow.c (mark_set_1): Don't update conditional life info
5828 if the register is not_dead.
5830 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5832 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5833 (mostlyclean): Also delete fixincl, fixinc.sh, and
5834 specs.ready, and make clean in the fixinc subdir.
5836 2000-05-06 Richard Henderson <rth@cygnus.com>
5838 * Makefile.in (gensupport.o): Compile for the host.
5839 (host-prefix gensuuprt.o): Remove.
5840 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5841 (genattrtab.o): Likewise.
5842 (gencodes.o): Depend on gensupport.h.
5843 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5844 (genpeep.o, genattr.o, genoutput.o): Likewise.
5846 * gensupport.c (obstack, rtl_obstack): New.
5847 (init_md_reader): Initialize rtl_obstack.
5848 * gensupport.h (rtl_obstack): Declare.
5849 (message_with_line): Declare.
5851 * genattr.c: Remove all traces of obstack manipulation.
5852 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5853 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5855 * genattrtab.c (obstack, rtl_obstack): Remove.
5856 (main): Don't init rtl_obstack.
5857 * genflags.c: Likewise.
5859 * genrecog.c (message_with_line): Move ...
5860 * gensupport.c: ... here.
5862 2000-05-06 Richard Henderson <rth@cygnus.com>
5864 * c-typeck.c (build_c_cast): Remove dead code.
5866 2000-05-06 Richard Henderson <rth@cygnus.com>
5868 * flow.c (split_edge): Don't allocate global_live_at_start for
5869 the new block unless the old blocks had them as well.
5871 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5873 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5874 test_bb if a or b uses x.
5876 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5878 * cpphash.h: Remove conditional #define of __extension__.
5879 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5880 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5881 (ENABLE_RTL_CHECKING only).
5882 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5883 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5884 (ENABLE_TREE_CHECKING only).
5885 * varray.h: Add __extension__ to VARRAY_CHECK macro
5886 (ENABLE_CHECKING only).
5888 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5890 Use new tail-calling mechanism on ARM.
5891 * arm.md (sibcall, sibcall_value): New expands.
5892 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5893 (tailcalling peepholes): Delete.
5894 (push_multi): Simplify.
5895 * arm.c (lr_save_eliminated): Delete definition.
5896 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5897 (output_return_instruction): Remove checks on lr_save_eliminated.
5898 (output_arm_prologue): Remove old tail-calling code.
5899 (arm_output_epilogue): New parameter, really_return. All callers
5900 changed. Handle tail-calling epilogues.
5901 * arm.h (lr_save_eliminated): Delete declaration.
5902 (frame_pointer_needed): Delete declaration.
5903 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5905 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5907 * arm.c (thumb_code): Define it.
5908 (arm_override_options): Set it.
5909 * arm.h (thumb_code): Declare it.
5911 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5913 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5915 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5917 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5918 bogus clobber to insns.
5919 (load_multiple_operation, store_mulitple_operation): Don't check
5921 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5923 * arm.md (and_scc, ior_scc): Add missing mode.
5925 * arm.md (call_value_symbol): Remove predicate from op2.
5927 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5929 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5931 * expr.c (get_subtarget): New function.
5932 (force_operand, expand_expr, do_store_flag): Use it.
5934 * toplev.c (compile_file): Don't take strlen of NAME if null.
5936 2000-05-06 David Edelsohn <edelsohn@gnu.org>
5938 * xcoffout.c (xcoff_current_include_file,
5939 xcoff_current_function_file, xcoff_lastfile): Constify char *.
5940 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
5942 (xcoffout_declare_function): Make name 'const char *'.
5943 (xcoffout_end_epilogue): Make fname 'const char *'
5944 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
5945 xcoffout_declare_function, xcoffout_source_line): Match above.
5947 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
5949 * rs6000.c (print_operand): Fix lossage typo.
5950 (output_cbranch): Remove "cr" decoration for now.
5951 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
5953 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
5955 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
5958 2000-05-05 Bruce Korb <bkorb@gnu.org>
5960 * fixinc/genfixes: Improve the matching for make target names
5962 2000-05-05 Catherine Moore <clm@cygnus.com>
5964 * c-common.c (decl_attributes): For TYPE_DECLs attach the
5965 attribute to the decl.
5966 * c-decl.c (pushdecl): Propagate the USED attribute to the
5969 2000-05-05 Richard Henderson <rth@cygnus.com>
5971 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
5972 same way emit_group_load does.
5974 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
5976 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
5978 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
5981 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
5983 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
5985 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
5987 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
5988 to support -shared, on platforms with dynamic libraries.
5990 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
5992 * system.h (S_ISBLK): Provide fallback definition.
5994 2000-05-05 Geoff Berry <geoffb@bops.com>
5996 * extend.texi (Extended Asm): Document inability to give asm
5997 statements access to condition codes.
5999 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
6001 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
6002 as arg 2 of UNIQUE_SECTION.
6004 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
6006 * predict.c: Remove May 4 change.
6007 * bb-reorder.c (make_reorder_chain): Do not perform block movement
6008 if we have predicted the branch at 50-50 probability.
6010 2000-05-05 Richard Henderson <rth@cygnus.com>
6012 * flow.c (init_propagate_block_info): Fix merge error
6013 in HAVE_conditional_execution code.
6015 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
6017 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
6018 shift cycle for unknown shift count. Also generates dec + brpl.
6019 (ashlqi3_out): Don't generate dec + brpl which now generates by
6020 `out_shift_with_cnt'.
6021 (ashlhi3_out): Likewise.
6022 (ashlsi3_out): Likewise.
6023 (ashrqi3_out): Likewise.
6024 (ashrhi3_out): Likewise.
6025 (ashrsi3_out): Likewise.
6026 (lshrqi3_out): Likewise.
6027 (lshrhi3_out): Likewise.
6028 (lshrsi3_out): Likewise.
6030 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
6032 * gcc.c (free_split_directories): Correct typo in explanation
6033 of make_relative_prefix.
6035 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6037 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
6038 comparison codes to branch_comparison_operator.
6040 2000-05-04 Richard Henderson <rth@cygnus.com>
6042 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
6044 2000-05-04 Richard Henderson <rth@cygnus.com>
6046 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
6047 (DPBIT_FUNCS): Remove _sf_to_usi.
6048 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
6050 * ifcvt.c (noce_process_if_block): Fail if A or B modified
6051 between condition and jump.
6053 * libgcc2.c (near eh_context_specific): Comment #endif string.
6054 * longlong.h: Don't use strings with embedded newlines.
6056 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6058 * config/rs6000/rs6000-protos.h: Add output_cbranch.
6059 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
6060 (print_operand): Delete %t and %T codes.
6061 (output_cbranch): New function. Support branch prediction.
6062 * config/rs6000/rs6000.md: Use output_cbranch for
6063 conditional branches and returns.
6065 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
6067 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
6068 * stor-layout.c (place_field): Likewise.
6069 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
6070 * expr.c (store_expr): Make align unsigned.
6071 * explow.c (plus_constant_wide): Make low words unsigned.
6072 * expmed.c (choose_multiplier): Likewise.
6073 * fold-const.c (fold): Likewise.
6074 * tree.h (build_int_2): Likewise.
6075 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
6076 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
6077 (init_emit): Change cast to unsigned char*.
6078 * varasm.c (compare_constant_1): Add cast to char*.
6079 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
6080 * reload1.c (reload): Likewise.
6082 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
6084 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
6086 * predict.c (estimate_probability): If no prediction was found, then
6087 predict the successor that is the next physical block (if such a
6090 2000-05-04 Richard Henderson <rth@cygnus.com>
6092 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
6094 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6096 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
6098 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
6100 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
6101 attribute macros from here ...
6102 (CPP_SPEC): to here.
6103 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6104 (CPP_SPEC): Likewise.
6105 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
6107 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
6108 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
6110 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6112 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
6114 * diagnostic (vbuild_message_string, build_message_string,
6115 build_location_prefix, output_get_prefix, init_output_buffer,
6116 output_notice, vline_wrapper_message_with_location,
6117 v_message_with_decl, default_print_error_function): De-constify.
6118 (set_real_maximum_length): Prototype.
6120 * diagnostic.h (struct output_buffer, init_output_buffer,
6121 output_get_prefix, output_set_prefix): De-constify.
6123 * function.c (init_function_start): Constify.
6125 * gensupport.c (remove_constraints, process_rtx): Prototype.
6127 * gthr-posix.h: Indent uses of #pragma.
6129 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6132 * predict.c (find_expected_value): Delete prototype.
6133 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6135 * sbitmap.h (debug_sbitmap): Prototype.
6137 * ssa.c (compute_coalesced_reg_partition): Prototype.
6139 * stor-layout.c (debug_rli): Prototype.
6141 * tree.h (round_down): Prototype.
6142 (init_function_start): Constify.
6144 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6146 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6147 (overly conservative). Change extern inline wrappers to
6148 static inline, define them always, use PARAMS properly.
6149 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6150 whitespace warnings for \f and \v at the beginning of a line.
6152 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6154 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6157 2000-05-04 Bruce Korb <bkorb@gnu.org>
6159 * fixincl/inclhack.def: added broken_cabs -
6160 Remove `extern double cabs' declarations from math.h
6161 * fixincl/inclhack.sh: regen
6162 * fixincl/fixincl.x: regen
6163 * fixincl/fixincl.c: Remove BOGOSITY code
6164 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6166 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6168 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6170 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6171 when calling MEM_COPY_ATTRIBUTES.
6172 * emit-rtl.c (operand_subword, change_address): Likewise.
6173 * explow.c (stabilize): Likewise.
6174 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6175 * integrate.c (copy_rtx_and_substitute): Likewise.
6176 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6177 when calling MEM_COPY_ATTRIBUTES.
6178 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6180 * cse.c (gen_lowpart_if_possible): Likewise.
6181 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6182 * optabs.c (gen_move_insn): Likewise.
6183 * recog.c (validate_replace_rtx_1): Likewise.
6184 * simplify-rtx.c (add_mem_for_addr): Likewise.
6185 * stmt.c (expand_anon_union_decl): Likewise.
6186 * config/arm/arm.md: Likewise.
6187 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6188 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6189 (block_move_no_loop, block_move_sequence): Likewise.
6190 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6191 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6192 Clear MEM_ALIAS_SET.
6193 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6194 MEM_COPY_ATTRIBUTES.
6196 2000-05-03 Robert Lipe <robertlipe@usa.net>
6198 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6199 to suppress libgcc1.
6200 (i[34567]86-*-sco3.2v5*) Likewise.
6201 (i[34567]86-*-sco3.2v4*) Likewise.
6202 (i[34567]86-*-sco) Likewise.
6203 (i[34567]86-*-solaris2) Likewise.
6204 (i[34567]86-*-sysv5*) Likewise.
6205 (i[34567]86-*-sysv4*) Likewise.
6206 (i[34567]86-*-udk*) Likewise.
6207 (i[34567]86-*-sysv*) Likewise.
6209 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6211 * cpphash.h (U): New define, to correct type of string constants.
6212 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6213 routines, to do casts when passing unsigned strings to libc.
6214 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6216 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6217 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6218 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6219 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6220 second argument an U_CHAR *.
6222 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6223 length field, clean up initializer.
6224 (ISTABLE): Add __extension__ to designated-
6225 initializers version.
6226 * cpplex.c (CHARTAB): Likewise.
6228 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6229 case so the file won't be empty.
6231 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6233 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6234 (REORDER_BLOCK_SUCC): Removed.
6235 (enum reorder_skip_type): Removed.
6236 (skip_insns_between_block): Renamed to skip_insns_after_block.
6237 Removed second argument. Removed dead code and cleaned up.
6238 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6239 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6240 second parameter to skip_insns_after_block.
6242 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6244 * tree.c (staticp, case LABEL_DECL): New case.
6246 2000-05-03 Richard Henderson <rth@cygnus.com>
6248 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6250 * mklibgcc1.in: Fix typo last change.
6252 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6254 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6255 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6256 (GCC_CFLAGS): Use it.
6257 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6258 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6259 objc/Make-lang.in: Use it.
6261 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6263 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6265 2000-05-03 Richard Henderson <rth@cygnus.com>
6267 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6268 LIBGCC1 empty with libgcc1.null.
6270 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6272 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6275 2000-05-03 Greg McGary <gkm@gnu.org>
6277 * tree.h (tree_common): Add bounded_flag member. Remove
6278 inaccurate comment about number of remaining bits.
6279 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6280 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6281 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6282 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6283 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6284 (TYPE_QUAL_BOUNDED): New constant.
6285 (TYPE_QUALS): Handle bounded qualifier.
6286 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6287 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6288 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6289 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6290 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6291 (tree_type): Add pointer_depth member. Remove
6292 inaccurate comment about number of remaining bits.
6293 (DECL_POINTER_DEPTH): Add macro.
6294 (tree_decl): Add pointer_depth member.
6296 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6298 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6299 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6300 (lshrhi3_out): Likewise.
6301 (ashrsi3_out): bugfix in shift by 8.
6302 (test_hard_reg_class): New function.
6303 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6304 (ashlhi3): removed define_expand of this pattern.
6305 (*ashlhi3_insn): renamed to ashlhi3.
6306 (ashlsi3): removed define_expand of this pattern.
6307 (*ashlsi3_insn): renamed to ashlsi3.
6308 (ashrqi3): removed define_expand of this pattern.
6309 (*ashrqi3_insn): renamed to ashrqi3.
6310 (ashrhi3): removed define_expand of this pattern.
6311 (*ashrhi3_insn): renamed to ashrhi3.
6312 (ashrsi3): removed define_expand of this pattern.
6313 (*ashrsi3_insn): renamed to ashrsi3.
6314 (lshrhi3): removed define_expand of this pattern.
6315 (*lshrhi3_insn): renamed to lshrhi3.
6316 (lshrsi3): removed define_expand of this pattern.
6317 (*lshrsi3_insn): renamed to lshrsi3.
6319 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6321 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6322 inclusion of "system.h".
6324 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6326 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6329 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6331 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6332 if -mauto-pic is on.
6333 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6334 -mconstant-gp is in effect and function-descriptors are being used
6335 to make indirect calls.
6336 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6337 (MASK_AUTO_PIC): Ditto.
6338 (TARGET_CONST_GP): Ditto.
6339 (TARGET_AUTO_PIC): Ditto.
6340 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6341 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6342 -mno-pic is in effect.
6343 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6344 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6345 -mauto-pic is in effect.
6346 (gprel64_offset): New pattern.
6347 (load_gprel64): Ditto.
6348 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6349 -mconstant-gp is in effect, no need to preserve gp around direct
6351 (call_value): Ditto.
6352 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6353 (FUNCTION_PROFILER): Define.
6354 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6355 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6356 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6358 2000-05-03 Richard Henderson <rth@cygnus.com>
6360 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6361 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6362 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6363 (mklibgcc, libgcc.mk): New targets.
6364 (libgcc.a): Use libgcc.mk.
6365 (stmp-multilib): Likewise.
6366 (stmp-multilib-sub): Remove.
6367 (mostlyclean): Don't delete libgcc2 temp files.
6368 * configure.in (AC_PROG_CC_C_O): Add.
6369 (NO_MINUS_C_MINUS_O): Substitute it.
6370 (all_outputs): Add mklibgcc.
6371 * mklibgcc.in: New file.
6373 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6375 * cppexp.c (op_t): Make an int.
6377 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6379 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6381 * gensupport.c (process_rtx): Fix macros used.
6383 2000-05-03 Richard Henderson <rth@cygnus.com>
6385 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6386 call-clobbered registers of a call.
6388 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6390 * gensupport.c: New file.
6391 * gensupport.h: New file.
6392 * Makefile.in (HOST_RTL): Depend on gensupport.
6393 (gensupport.o) New rule.
6394 * genattr.c: Use gensupport for reading .md files.
6395 * genattrtab.c: Ditto.
6396 * gencodes.c: Ditto.
6397 * genconfig.c: Ditto.
6399 * genextract.c: Ditto.
6400 * genflags.c: Ditto.
6401 * genopinit.c: Ditto.
6402 * genoutput.c: Ditto.
6404 * genrecog.c: Ditto.
6405 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6406 * md.texi (Insn Splitting): Document define_insn_and_split.
6408 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6410 * flow.c (verify_flow_info): Added two more sanity checks. The
6411 first checks that the blocks are numbered consecutively. The second
6412 checks that n_basic_blocks is actually equal to the number of
6413 basic blocks in the insn chain.
6415 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6417 * cpplib.h: Add accessor macros for token lists.
6418 * cpplib.c, cpphash.c, cpplex.c: Use them.
6420 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6422 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6423 memory usage if not in a function.
6424 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6425 return address if static.
6427 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6429 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6430 whether address may trap.
6432 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6434 * bb-reorder (chain_reorder_blocks): Changed code to test for
6435 EDGE_FALLTHRU rather than making erroneous assumption that the
6436 first outgoing edge is the fall-through edge.
6438 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6440 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6441 ABI for varargs, across all MIPS. This is incompatible because the
6442 va_list (__builtin_va_list) structure is different, so a compilation
6443 unit passing a va_list and a compilation unit being passed one, should
6444 both be compiled with the same ABI. (The old structure had two
6445 pointers, now it has three.)
6447 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6449 * bb-reorder.c (struct reorder_block_def): Remove members end,
6450 block_begin, and block_end.
6451 (REORDER_BLOCK_OLD_END): Delete.
6452 (REORDER_BLOCK_BEGIN): Delete.
6453 (REORDER_BLOCK_END): Delete.
6454 (chain_reorder_blocks): Remove dead code.
6456 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6458 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6459 notes as the end of a basic block before deleting.
6461 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6463 * final.c (final_start_function): Fix spelling of "necessary".
6465 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6467 * toplev.c (debug_ignore_block): Return int.
6468 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6469 * toplev.h, dwarf2out.h: Adjust.
6470 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6472 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6473 * toplev.c, final.c, rtl.h: Adjust.
6475 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6477 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6478 * configure.in: Look for makeinfo in the unified tree, then
6479 for a system makeinfo which is sufficiently new.
6480 * Makefile.in: If configure says makeinfo is too old, don't
6481 build or install Info documentation.
6483 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6485 * cpphash.c (collect_params): Fix off-by-one error.
6486 (dump_hash_helper): Dump all four macro nodetypes.
6488 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6490 * cpphash.c (trad_stringify): Adjust p after stringification as
6493 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6495 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6496 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6498 * cppfiles.c (file_cleanup): Delete.
6499 * cpphash.c (macro_cleanup): Delete.
6500 (collect_objlike_expansion, collect_funlike_expansion,
6501 macarg, scan_arguments): Remove CPP_POP case.
6503 * cpplex.c (null_cleanup): Delete.
6504 (cpp_pop_buffer): Do the work that was done in the cleanups
6505 here. Call _cpp_unwind_if_stack from here.
6506 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6507 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6508 stack is the buffer _below_ the one we stacked.
6509 (cpp_get_token): Always pop an exhausted buffer. Return
6510 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6511 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6512 increment the line number.
6513 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6515 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6516 we see CPP_EOF and the top of stack is the buffer _below_ the
6518 * scan-decls.c: Likewise.
6520 2000-05-02 Andrew Haley <aph@cygnus.com>
6522 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6523 where this function is called for the second time on a decl that
6524 has had its section info changed in such a way as to move it out
6526 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6528 2000-05-01 Richard Henderson <rth@cygnus.com>
6530 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6531 the sequence we're moving, not to merge_bb->head.
6533 2000-05-01 Richard Henderson <rth@cygnus.com>
6535 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6536 reference to alpha/t-linux.
6537 (alpha*-*-linux-gnu*): Likewise.
6538 * configure: Rebuild.
6540 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6542 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6545 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6547 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6549 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6552 2000-05-01 Richard Henderson <rth@cygnus.com>
6554 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6555 emit_conditional_move.
6557 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6559 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6560 as the dynamic linker.
6562 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6564 * cppfiles.c (open_include_file): Open file in blocking mode.
6565 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6566 Only exclude block devices and directories.
6568 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6569 static. Allocate the hashnode and its string in the same
6571 (del_HASHNODE): Don't free h->name.
6572 (_cpp_lookup): If there is no entry for this string, create
6573 one, of type T_VOID.
6574 (_cpp_lookup_slot): Delete.
6575 * cpphash.h: Update prototypes.
6577 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6579 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6580 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6581 node here, just fill in the value field properly. "Delete"
6582 entries by setting the value field to T_VOID. Check for
6583 hp->type == T_VOID, not hp == NULL.
6585 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6586 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6589 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6591 * config/mn10300/mn10300.c (print_operand_address): Do not add
6594 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6595 adjusted by less than 256 bytes, use ret regardless of having any
6596 callee-saved register to restore.
6598 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6600 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6602 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6604 * config/i386/djgpp.h (INT_ASM_OP): Define.
6605 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6606 (ASM_WEAKEN_LABEL): Define.
6607 (MASK_BNU210): Define.
6608 (SUBTARGET_SWITCHES): Define.
6609 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6610 (MAKE_DECL_ONE_ONLY): Define.
6611 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6613 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6615 * i386/cygwin.h (INT_ASM_OP): Define.
6617 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6619 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6620 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6622 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6624 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6625 __tmp_reg__ and __zero_reg__ initialization.
6627 2000-04-30 Richard Henderson <rth@cygnus.com>
6629 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6631 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6632 referenced bewteen the condition and the jump. Don't delete
6633 anything but the jump.
6635 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6637 * bb-reorder.c (scope_def): New struct.
6638 (scope_forest_info): New struct.
6639 (struct reorder_block_def): New member "scope".
6640 (REORDER_BLOCK_SCOPE): New macro.
6641 (relate_bbs_with_scopes): New function and prototype.
6642 (make_new_scope): Likewise.
6643 (build_scope_forest): Likewise.
6644 (remove_scope_notes): Likewise.
6645 (insert_intra_1): Likewise.
6646 (insert_intra_bb_scope_notes): Likewise.
6647 (insert_inter_bb_scope_notes): Likewise.
6648 (rebuild_scope_notes): Likewise.
6649 (free_scope_forest_1): Likewise.
6650 (free_scope_forest): Likewise.
6651 (dump_scope_forest): Likewise.
6652 (dump_scope_forest_1): Likewise.
6653 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6654 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6656 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6657 and remove_scope_notes before reordering is done. Added calls to
6658 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6659 after reordering is done.
6661 2000-40-30 Bruce Korb <bkorb@gnu.org>
6663 * fixinc/inclhack.def: Added definitions needed by OSR5,
6664 removed two stale entries (defined away with OLD_CPP).
6665 * fixinc/inclhack.sh: regen
6666 * fixinc/fixincl.x: regen
6668 2000-04-30 Richard Henderson <rth@cygnus.com>
6670 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6671 from the last insn in the sequence.
6673 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6675 * cpplex.c (cpp_idcmp): New function.
6676 * cpplib.h: Prototype it.
6677 * scan_decls.c (scan_decls): Use it to inspect token names.
6678 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6679 the file being run through the preprocessor.
6680 (check_macro_names): Provide length of token to cpp_defined.
6682 * Makefile.in: Remove stale warning message.
6684 * cppfiles.c (redundant_include_p): Provide length of token to
6686 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6687 values are unsigned int.
6688 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6689 (_cpp_lookup_slot): Do not calculate the hash, either.
6690 * cpphash.h: Update prototypes.
6691 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6692 Hashes are unsigned int. Calculate hash here, pass by value
6693 to _cpp_lookup_slot.
6695 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6697 * simplify-rtx.c (check_value_useless): Delete function.
6698 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6700 (cselib_invalidate_regno): Likewise.
6701 (cselib_invalidate_mem_1): Likewise.
6702 (references_value_p): Recognize useless values by the fact that they
6704 (discard_useless_values): Likewise.
6705 (cselib_record_set): This may turn a useless value
6708 2000-04-30 Richard Henderson <rth@cygnus.com>
6710 * config/d30v: New port.
6712 * configure.in (d30v-*): Set fp format.
6713 * configure: Rebuild.
6715 2000-04-30 Richard Henderson <rth@cygnus.com>
6717 * ifcvt.c: New file.
6718 * Makefile.in (OBJS): Add it.
6719 (ifcvt.o): New target.
6720 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6721 and conditional arithmetic.
6722 (find_insert_position): Remove.
6723 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6724 * toplev.c (DFI_ce, DFI_ce2): New.
6725 (dump_file): Add ce and ce2 dumps.
6726 (rest_of_compilation): Run if_convert a couple o times. Set
6727 cse_not_expected after cse2. Don't set no_new_pseudos until
6728 after sched1 or recompute_reg_usage.
6730 2000-04-30 Richard Henderson <rth@cygnus.com>
6732 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6733 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6735 2000-04-30 Richard Henderson <rth@cygnus.com>
6737 * flow.c (struct reg_cond_life_info): New.
6738 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6739 (init_propagate_block_info): Initialize them.
6740 (free_propagate_block_info): Destruct them.
6741 (mark_set_1): Consider conditional life before killing a register.
6742 (mark_regno_cond_dead): New.
6743 (free_reg_cond_life_info): New.
6744 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6745 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6746 (mark_used_reg): Record conditional life.
6748 * haifa-sched.c (schedule_insns): Disable death counting
6749 sanity check for HAVE_conditional_execution.
6751 2000-04-30 Richard Henderson <rth@cygnus.com>
6753 * Makefile.in (TIMEVAR_H): New.
6754 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6755 (timevar.h): Remove rule.
6757 2000-04-29 Richard Henderson <rth@cygnus.com>
6759 * config/alpha/crtend.asm: Use C comments instead of #.
6760 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6762 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6764 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6766 * cpphash.h (enum node_type: Take out T_MCONST.
6767 (union hashval): Move into struct hashnode.
6768 (struct hashnode): Pack tighter. Remove file, line, col
6770 * cpphash.c: Constify most of the macro-definition structures.
6771 (struct definition): Replace by struct object_defn
6772 and struct funct_defn. Put file, line, column information
6773 here. All users updated to match.
6774 (_cpp_create_definition, _cpp_macroexpand): Remove special
6775 case for #define WORD OTHERWORD.
6776 * cpplib.c (do_undef): Remove T_MCONST case.
6778 * cpphash.h: Move struct reflist, struct definition, and the
6779 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6780 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6781 * cpphash.c (_cpp_free_definition): Free data pointed to by
6782 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6783 (_cpp_create_definition, del_HASHNODE): Just call
6784 _cpp_free_definition to clear out a hashnode.
6785 * cpplib.c (do_pragma_poison): Likewise.
6787 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6789 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6790 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6791 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6792 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6793 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6794 REGNO_AM33_P): Redefine in terms of the new macros.
6795 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6796 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6797 STRUCT_VALUE): Likewise.
6798 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6799 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6801 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6803 * regmove.c (struct record_stack_memrefs_data): New.
6804 (record_stack_memrefs): New function.
6805 (combine_stack_adjustments_for_block): Use it.
6807 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6809 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6810 use special_function_p to detect alloca.
6812 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6814 * gcc.texi: Fixes for makeinfo 4.0 --html.
6816 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6818 * pcp.h: Delete file.
6820 2000-04-28 Kazu Hirata <kazu@hxi.com>
6822 * h8300.c (function_epilogue): Clean up flags when the last insn
6823 in a function is a barrier.
6825 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6827 * configure.in (sparc-hal-solaris2*): protect [] glob from
6829 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6830 rather than hard-coded constants in target_cpu_default2.
6831 * configure: Regenerate.
6833 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6835 * tree.c (get_callee_fndecl): Extract the initial value from
6838 2000-04-28 Richard Henderson <rth@cygnus.com>
6840 * varasm.c (record_constant_1): Record the CODE_LABEL when
6841 taking the address of a LABEL_REF.
6843 2000-04-28 Richard Henderson <rth@cygnus.com>
6844 Jan Hubicka <jh@suse.cz>
6846 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6847 adjustment; don't do the stack adjust.
6848 (expand_call): Call compute_argument_block_size right before
6849 allocating the block; update comment; don't do alignment sanity
6850 checking for sibling call; use args_size instead of
6851 unadjusted_args_size before args_size is adjusted. Use
6852 combine_pending_stack_adjustment_and_call to compute stack adjust
6853 for must_preallocate case.
6855 * expr.c (push_block): Remove shadow `temp' in inner scope.
6857 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6859 * toplev.c (rest_of_compilation): Call
6860 note_deferral_of_defined_inline_function even if the function
6863 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6865 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6867 2000-04-28 Richard Henderson <rth@cygnus.com>
6869 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6871 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6873 * timevar.c (init_timevar): DeANSIfy function definition.
6875 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6877 * Makefile.in (timevar.o): Depend on flags.h.
6878 * timevar.c (unused_stack_instances): New variable.
6879 (timevar_push): Take a timevar_stack_def from
6880 unused_stack_instances if available.
6881 (timevar_pop): Push the popped timevar_stack_def onto
6882 unused_stack_instances.
6883 (TIMEVAR_ENABLE): New macro.
6884 (timevar_def): Make standalone a 1-bit field. Add field used.
6885 (get_time): Rename parameter to now. Return after clearing it if
6887 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6888 (timevar_pop): Likewise.
6889 (timevar_stop): Likewise.
6890 (timevar_push): Likewise. Mark the timing variable as used.
6891 (timevar_start): Likewise.
6892 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6893 timevars that were never used.
6895 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6897 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6898 always TREE_READONLY.
6900 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6902 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6903 for call instruction with mode QImode.
6905 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6907 * Makefile.in (OBJS): Add timevar.o.
6908 (toplev.o): Depend on timevar.h.
6909 (ggc-simple.o): Likewise.
6910 (ggc-page.o): Likewise.
6911 (timevar.o): New rule.
6912 (timevar.h): New rule.
6914 * timevar.h: New file.
6915 * timevar.c: Likewise.
6916 * timevar.def: Likewise.
6918 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6919 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6921 (TIMEVAR): Remove macro.
6922 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6923 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6924 flow_time, combine_time, regmove_time, sched_time,
6925 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6926 sched2_time, dbr_sched_time, reorder_blocks_time,
6927 rename_registers_time, shorten_branch_time, stack_reg_time,
6928 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6930 (compile_file): Don't initialize time variables. Call
6931 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6932 of many calls to print_time.
6933 (rest_of_compilation): Add timing for reload_cse_regs.
6934 (get_run_time): Removed to timevar.c.
6935 (print_time): Likewise.
6936 (get_run_time): Implement using TV_TOTAL time variable.
6937 (print_time): Get total run time from get_run_time.
6938 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
6939 computing elapsed time explicitly.
6940 * ggc-simple.c (ggc_collect): Likewise.
6941 (gc_time): Remove declaration.
6943 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6945 * calls.c (combine_pending_stack_adjustment_and_call): New function.
6946 (expand_call): Use it.
6948 2000-04-27 Jan Hubicka <jh@suse.cz>
6950 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
6953 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6955 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
6958 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
6960 * function.c (epilogue_done): Pass whole insn to record_insns.
6962 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
6964 * cse.c (CSE_ADDRESS_COST): Remove.
6965 (find_best_addr): Add new parameter "MODE", use address_cost instead
6967 (address_cost): New.
6968 (fold_rtx): Update call of find_best_addr.
6969 * rtl.h (address_cost): Declare.
6970 * loop.c (general_induction_var): Add new parameter "MODE", use
6971 address_cost instead of ADDRESS_COST
6972 (init_loop): Use address_cost instead of ADDRESS_COST.
6973 (check_insn_for_givs): Update call of general_induction_var.
6974 (find_mem_givs): Likewise.
6975 (consec_sets_giv): Likewise.
6976 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
6977 * i386.c (ix86_address_cost): New.
6978 * i386-protos.h (ix86_address_cost): Declare.
6980 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
6982 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
6985 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
6987 * expr.c (store_expr): Use clear_storage instead of direct memset
6990 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
6992 * config/mn10300/mn10300.c (mn10300_address_cost): Test
6993 ASHIFT, AND and LABEL_REF.
6995 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
6997 * invoke.texi (-foptimize-sibling-calls): Fix.
6999 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
7001 * loop.c (load_mems) Don't use hard registers for the hoisting.
7003 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
7004 calculation; rename const_equiv array in the preconditioning code
7005 from loop_unroll to loop_unroll_precondition
7007 2000-04-27 Richard Henderson <rth@cygnus.com>
7009 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
7011 (propagate_one_insn): Clear it. Don't update reg_live here.
7012 (init_propagate_block_info): Update for pbi member changes.
7013 (free_propagate_block_info): Likewise.
7014 (mark_set_1): Know that zero_extract, sign_extract, and
7015 strict_low_part don't kill their argument. Alter hard subregs.
7016 Update new_set for non-CLOBBER sets. Update reg_live.
7017 (find_auto_inc): Update reg_live, not new_dead.
7018 (mark_used_reg): Update reg_live, not new_live. Examine new_set
7019 to determine if the reg in question was set this insn. Only update
7020 reg info with PROP_REG_INFO.
7022 2000-04-26 Richard Henderson <rth@cygnus.com>
7024 * flow.c (allocate_reg_life_data): Set max_regno here ...
7025 (life_analysis): ... not here.
7027 * flow.c (calculate_global_regs_live): Force stack pointer
7030 2000-04-26 Richard Henderson <rth@cygnus.com>
7032 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
7033 commit change group changes.
7034 (invert_exp_1): Similarly.
7035 (redirect_exp, invert_exp): Use them.
7036 (redirect_jump_1): New.
7037 (invert_jump_1): New.
7038 (jump_optimize_1): Remove code subsumed by condexec.c.
7039 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
7041 2000-04-26 Richard Henderson <rth@cygnus.com>
7043 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
7045 * genconfig.c (main): Set all HAVE_foo to 1.
7047 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
7049 2000-04-26 Alex Samuel <samuel@codesourcery.com>
7051 * invoke.texi: Document -fssa flag.
7053 2000-04-26 Richard Henderson <rth@cygnus.com>
7055 * flow.c (count_reg_sets_1): Remove.
7056 (count_reg_sets, count_reg_references): Remove.
7057 (recompute_reg_usage): Implement with update_life_info.
7058 Reallocate life data.
7060 2000-04-26 Richard Henderson <rth@cygnus.com>
7062 * flow.c (update_life_info): Consider blocks null to mean the
7064 (calculate_global_regs_live): Likewise.
7065 (life_analysis): Do that instead of collecting all_blocks.
7067 2000-04-26 Richard Henderson <rth@cygnus.com>
7069 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
7070 a still-valid conditional jump.
7072 2000-04-26 Richard Henderson <rth@cygnus.com>
7074 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
7076 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
7077 * flow.c (calculate_loop_depth): Remove.
7078 * output.h (calculate_loop_depth): Don't declare.
7079 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
7080 inline; run estimate_probability at the same time.
7082 2000-04-26 Neil Booth <NeilB@earthling.net>
7084 * cpplib.h: "~=" is not a single pp-token.
7085 * cpplex.c: Correct commentary.
7087 2000-04-26 Richard Henderson <rth@cygnus.com>
7089 * flow.c (mark_set_1): New arguments code and flags; update all
7090 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
7091 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
7092 loop_depth when optimizing for size. Do new_dead update after
7093 emitting REG_UNUSED notes. Merge mark_set_reg code.
7094 (mark_set_reg): Remove.
7095 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
7096 arrange to not emit REG_UNUSED notes.
7098 2000-04-26 Richard Henderson <rth@cygnus.com>
7100 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
7101 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
7103 2000-04-26 Richard Henderson <rth@cygnus.com>
7105 * flow.c (propagate_one_insn): Break out from propagate_block.
7106 (init_propagate_block_info): Likewise.
7107 (free_propagate_block_info): Likewise.
7108 (propagate_block): Use them. Export.
7109 * basic-block.h: Declare them all.
7111 2000-04-26 Richard Henderson <rth@cygnus.com>
7113 * basic-block.h (life_analysis): Declare here ...
7114 * output.h: ... not here.
7115 * flow.c (life_analysis): Remove nregs parameter; replace
7116 remove_dead_code with flags. Remove ssa dead code check.
7117 Only init alias analysis if we'll use it.
7118 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7119 * ssa.c (convert_to_ssa): Likewise.
7120 (convert_from_ssa): Likewise.
7121 * toplev.c (rest_of_compilation): Likewise.
7123 2000-04-26 Richard Henderson <rth@cygnus.com>
7125 * flow.c (flow_delete_block): Rename from delete_block. Export.
7126 * basic-block.h (flow_delete_block): Declare.
7128 2000-04-26 David S. Miller <davem@redhat.com>
7130 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7131 taking a PATTERN of it.
7133 2000-04-26 <NeilB@earthling.net>
7135 * cpplex.c (spell_other, spell_char): Remove.
7137 (token_spelling, trigraph_map): Use unsigned chars.
7138 (_cpp_lex_line): Tidy up the switch statement.
7139 * cpplib.h: Implement spell_char with spell_string.
7142 2000-04-26 <RodneyBrown@pmsc.com>
7144 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7145 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7147 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7149 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7150 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7151 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7152 dwarf2out_return_save, dwarf2out_return_reg,
7153 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7154 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7155 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7157 * dwarf2out.h (dwarf2out_init): Likewise.
7159 * dwarfout.c (filename_entry, primary_filename, last_filename,
7160 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7162 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7163 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7164 dwarf2out_return_reg): Likewise.
7166 2000-04-26 Andreas Jaeger <aj@suse.de>
7168 * extend.texi (Function Attributes): Fix description of pure
7171 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7173 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7174 before calling rest_of_compilation.
7176 2000-04-26 Andreas Jaeger <aj@suse.de>
7178 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7181 2000-04-25 Richard Henderson <rth@cygnus.com>
7183 * cse.c (cse_insn): Emit barrier after unconditional jump.
7185 * calls.c (expand_call): Disable tail call generation once
7186 rtx_equal_function_value_matters is false.
7188 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7191 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7193 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7195 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7197 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7198 is the primary DIE for a member function.
7199 (gen_decl_die): Call set_decl_origin_self here.
7200 * dwarfout.c (output_decl): And here.
7201 * integrate.c (output_inline_function): Not here.
7202 Don't clear DECL_INLINE until after calling rest_of_compilation.
7203 (set_decl_origin_self): No longer static.
7204 * tree.h: Add prototype.
7205 * toplev.c (note_deferral_of_defined_inline_function): Only write
7206 out abstract instance for actual inlines.
7208 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7210 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7211 EXTENDED_REGS only if TARGET_AM33.
7212 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7213 SP_REGS to register allocation and reloading unless absolutely
7215 (movsi3): Remove special-case of adding non-constants to SP.
7217 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7219 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7220 INCLUDES to search and does not provide any of its own. Also it
7221 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7222 parameters. Also it does not call AC_DEFINE.
7223 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7224 AC_DEFINE and provides for automatic entries for autoheader.
7225 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7227 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7228 so we can pass -I flags and include gansidecl.h/system.h in this
7231 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7233 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7235 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7236 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7237 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7239 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7240 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7241 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7242 for these macros. Clean up spacing and linewraps.
7244 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7246 * calls.c (expand_call): Use get_callee_fndecl.
7248 * print-tree.c (print_node): Print the chain of an _EXPR.
7250 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7251 Jim Wilson <wilson@cygnus.com>
7252 Andrew Haley <aph@cygnus.com>
7254 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7255 and gp save/restore problems.
7256 * config/ia64/crtend.asm: Add IA-64 unwind support.
7257 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7258 in fr_pad_size calculation.
7259 (save_restore_insns): Move PR save area. Correct uses of
7260 RTX_FRAME_RELATED_P.
7261 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7262 (ia64_expand_epilogue): Add eh_epilogue support.
7263 (ia64_function_prologue): Emit .prologue directive.
7264 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7265 (ia64_override_options): Set init_machine_status and
7266 mark_machine_status.
7267 (rtx_needs_barrier): Handle bsp reads and writes.
7268 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7269 New static variables.
7270 (process_set, process_for_unwind_directive): New functions.
7271 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7272 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7273 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7275 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7276 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7277 (struct machine_function): Define.
7278 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7280 2000-04-25 Bruce Korb <bkorb@gnu.org>
7282 * fixinc/Makefile.in: make the removal of old programs more
7284 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7285 install-bin and install-sh
7287 2000-04-25 Nick Clifton <nickc@cygnus.com>
7289 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7290 defined, define to return zero.
7291 (function_cannot_inline_p): If a function has any target
7292 specific attributes, then use the macro
7293 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7294 whether it can be inlined. If it cannot, issue a suitable
7297 * tm.texi: Add a new node 'Inlining' to document the new macro
7298 FUNCTION_ATTRIBUTE_INLINABLE_P.
7300 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7302 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7305 2000-04-25 Neil Booth <NeilB@earthling.net>
7307 Restore previous patch, plus the following fixes:
7309 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7310 flags, not CPP_OPEN_PAREN.
7311 * cpplex.c (expand_token_space, init_token_list,
7312 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7313 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7315 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7317 * config/i386/freebsd.h (INT_ASM_OP): Define.
7319 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7321 * loop.c (strength_reduce): Fix typo in the last checkin.
7323 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7325 * stor-layout.c (finalize_record_size): Simplify to use existing
7327 (compute_record_mode): No longer static.
7328 * tree.h (compute_record_mode): New declaration.
7330 2000-04-25 Neil Booth <NeilB@earthling.net>
7332 * Revert my patch below until cause of build failures
7335 2000-04-25 Richard Henderson <rth@cygnus.com>
7337 * combine.c (combine_instructions): Add missing argument
7340 * toplev.c (rest_of_compilation): Delay sibcall optimization
7341 until after emit_eh_context.
7343 2000-04-24 Nick Clifton <nickc@redhat.com>
7345 * combine.c (combine_instructions): Do not try to combine a
7346 sequence of insns when the second insn has been replaced by a
7349 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7351 * gcc.c (load_specs): New static function.
7352 (read_specs): Use it.
7354 * gcc.c (lookup_compiler): Make multiple passes for case
7355 insensitive filesystems.
7357 2000-04-24 Neil Booth <NeilB@earthling.net>
7359 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7360 * cpphash.h (_cpp_check_directive): new.
7361 * cpplex.c (handle_newline, cpp_free_token_list,
7362 init_trigraph_map, trigraph_ok, trigraph_replace,
7363 backslash_start, skip_block_comment, skip_line_comment,
7364 skip_whitespace, parse_name, parse_number, parse_string,
7365 copy_comment, _cpp_lex_line, spell_char, spell_string,
7366 spell_comment, spell_name, spell_other, _cpp_lex_file,
7367 _cpp_output_list): new.
7368 (expand_name_space): take length argument.
7369 (init_token_list): add comment list initialisation.
7370 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7371 instead of HSPACE_BEFORE.
7373 * cpplib.c (_cpp_check_directive): new
7374 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7375 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7376 (HSPACE_BEFORE): delete.
7377 (TTYPE_TABLE): rearrange.
7378 (struct cpp_toklist): update.
7380 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7382 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7383 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7384 argument form of AC_DEFINE.
7386 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7387 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7388 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7389 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7390 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7392 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7394 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7396 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7397 deduced.h): Use -isystem, not -I, for including system headers.
7399 2000-04-24 Nick Clifton <nickc@cygnus.com>
7401 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7402 the source register is the frame pointer or arg pointer.
7403 (addsi3_small_int): Disallow if source register is the frame
7404 pointer or arg pointer.
7406 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7408 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7409 call to AC_MSG_RESULT.
7411 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7413 * invoke.texi: Correct grammatical errors, document
7414 -fno-gnu-keywords as identical to -fno-asm for C++.
7416 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7418 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7419 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7420 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7421 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7422 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7424 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7425 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7426 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7427 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7430 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7432 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7433 (pop_alignment): Likewise.
7434 (handle_pragma_token): Likewise.
7436 2000-04-24 Robert Lipe <robertlipe@usa.net>
7438 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7440 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7442 * combine.c (try_combine): Update reg_nonzero_bits of
7443 newi2pat before newpat.
7445 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7447 * loop.c (strength_reduce): Simplify test to INSN_P.
7448 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7449 expressions instead of CONST_INT.
7450 (express_from_1): Likewise.
7452 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7454 * regs.h (reg_n_max): Don't declare.
7455 * flow.c (reg_n_max): Don't define.
7456 * regclass.c (renumber): Don't initialize to zero.
7457 (regno_allocated): Likewise.
7458 (reg_n_max): Define.
7459 (allocate_reg_info): Don't initialize unnecessarily.
7461 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7463 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7464 and blockage_p in the newly allocated attribute.
7466 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7468 * config/mn10300/mn10300.md (addsi): `inc4' on address
7469 registers does not modify cc, but `inc' on an extended
7472 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7474 * reload.c (find_equiv_reg): Checks all valueno regs
7475 as a reload_reg_p regs.
7477 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7479 * cpphash.c (collect_objlike_expansion): Add sanity check.
7480 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7481 the buffer is the empty string, return. Mark __DATE__ and
7482 __TIME__ as XCONST nodes, not MCONST.
7483 (_cpp_macroexpand): Avoid pushing an empty buffer.
7484 (funlike_macroexpand): Don't pop token_buffer here.
7486 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7488 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7489 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7490 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7491 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7492 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7493 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7494 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7496 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7498 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7501 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7503 * cpphash.h (struct definition): Move file, line, col members...
7504 (struct hashnode): ... here. Also add 'disabled' flag.
7505 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7506 T_IDENTITY. Remove T_DISABLED.
7509 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7510 (collect_expansion): Split into collect_objlike_expansion and
7511 collect_funlike_expansion.
7512 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7513 funlike_macroexpand.
7514 (_cpp_compare_defs): Rename compare_defs, make static.
7515 (_cpp_make_hashnode): Initialize hp->disabled.
7516 (macro_cleanup): Adjust for new token types. Clear
7518 (_cpp_create_definition): Move code here to determine what
7519 sort of macro it is, and code to check for redefinitions, from
7520 do_define. Implement a few simple cases without creating a
7522 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7523 Handle the simple cases.
7524 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7527 * cppinit.c (builtin_array): Change MCONST to XCONST
7529 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7530 fix check for disabled and function-like macros.
7531 * cpplib.c (do_define): Move most logic to
7532 _cpp_create_definition.
7533 (do_undef): Handle new special token types.
7535 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7537 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7538 of CONSTANT_P for mult_val; always use validate_change to update insn.
7540 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7542 * cpphash.c (trad_stringify, add_pat): New functions.
7543 (collect_expansion): Restore support for -traditional syntax.
7544 Use trad_stringify and add_pat.
7545 (_cpp_macroexpand): Restore support for -traditional semantics.
7546 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7547 get a COMMENT token.
7548 (_cpp_lex_token): Provide COMMENT tokens to caller if
7549 traditional and parsing_define_directive.
7550 (skip_comment): Warn about // comments if -Wtraditional.
7551 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7553 (do_undef): Don't warn about undefining EMPTY nodes.
7555 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7557 * loop.c (strength_reduce): Fix biv removal code.
7559 2000-04-22 Richard Henderson <rth@cygnus.com>
7561 * predict.c (estimate_probability): Examine both sides of
7562 a branch for no exits. Use 90% not 50% for predict taken.
7563 Reorg for one copy of note generation code.
7565 2000-04-22 Richard Henderson <rth@cygnus.com>
7567 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7569 2000-04-22 Richard Henderson <rth@cygnus.com>
7571 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7572 (output_clear): Likewise.
7573 (output_printf): Use va_copy.
7574 (vline_wrapper_message_with_location): Likewise.
7575 (v_message_with_decl): Likewise.
7576 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7577 * system.h (va_copy): Provide default implementation.
7579 2000-04-22 Richard Henderson <rth@cygnus.com>
7581 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7582 the collected condition is not a constant.
7584 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7586 * diagnostic.h: New file.
7588 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7590 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7591 various function prototypes.
7592 (diagnostic.h): #include.
7593 (struct output_buffer): Move into diagnostic.h.
7594 (get_output_prefix): Rename to output_get_prefix. Export.
7595 (init_output_buffer): Export. Break out. Ajust intialization.
7596 (output_space_left, output_append): Export.
7597 (output_newline): Rename to output_add_newline. Export.
7598 (output_clear): Nullify additional output_buffer fields.
7599 (output_puts): Rename to output_add_string. Export.
7600 (dump_output): Rename to output_flush_on. Export.
7601 (build_location_prefix): Constify return-type.
7602 (emit_output_prefix): Rename to output_emit_prefix. Export.
7603 (set_real_maximum_length): New function.
7604 (output_set_maximum_length): Ditto
7605 (output_clear): Ditto.
7606 (output_add_character): Ditto.
7607 (output_add_integer): Ditto.
7608 (output_add_space): Ditto.
7609 (output_format): Ditto.
7610 (output_printf): Adjust buffer initialization.
7611 (vline_wrapper_message_with_location): Ditto.
7612 (v_message_with_decl): Ditto. Adjust call to output_puts
7613 and get_output_prefix.
7614 (default_print_error_function): Adjust buffer intialization.
7616 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7621 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7623 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7626 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7628 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7629 accurate data about SP moves.
7631 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7633 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7634 aliases to AM33 registers.
7636 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7638 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7639 to all EXTENDED bitmaps.
7641 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7643 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7644 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7645 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7647 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7649 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7650 the operand is not constant.
7652 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7654 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7655 as a call-clobbered regs.
7657 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7659 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7661 * rtl.def: Update comment.
7662 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7663 * integrate.c (expand_inline_function): Likewise.
7664 * profile.c (branch_prob): Likewise.
7665 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7666 * print-rtl.c (print_rtx): Likewise.
7667 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7668 (reemit_notes): Likewise; also use enum insn_note.
7670 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7671 (place_field): Properly compute know and actual alignment.
7673 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7676 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7679 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7681 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7682 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7683 (collect_expansion): Rewrite to scan over a token list.
7684 Remove -traditional support.
7685 (collect_formal_parameters): Rename to collect_params; rewrite
7686 to scan over a token list.
7687 (_cpp_create_definition): Adjust to scan a token list.
7688 (_cpp_macroexpand): Remove -traditional support.
7689 (_cpp_compare_defs): Whitespace is now canonicalized.
7690 (comp_def_part): Delete function.
7692 * cpphash.h: Update prototypes.
7693 * cpplex.c (init_token_list): Don't set lineno if there is no
7695 (pedantic_whitespace): New function.
7696 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7697 consume a newline. Use pedantic_whitespace.
7698 (_cpp_lex_token): Remove support for -traditional macros.
7699 (_cpp_get_define_token): Delete.
7700 (_cpp_get_directive_token): Do the real work here. Use
7701 pedantic_whitespace.
7702 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7704 * cpplib.c (get_macro_name): Delete.
7705 (do_define): Read the entire line into pfile->directbuf, then
7706 feed the token list to _cpp_create_definition.
7707 * cpplib.h (HSPACE_BEFORE): new define.
7708 (struct cpp_reader): Add a toklist member, "directbuf".
7710 * predict.c (estimate_probability): New heuristic: if a jump
7711 branches around a block with no successors, predict it taken.
7712 Disentangle control flow.
7714 2000-04-20 Richard Henderson <rth@cygnus.com>
7716 * loop.c (emit_iv_add_mult): Revert last change.
7718 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7720 * cpplib.h (enum cpp_ttype): Add token types for all
7721 punctuators. Distinguish pp-numbers from valid C numbers.
7722 Give some tokens better names. Initialize from macro.
7723 (struct cpp_name, cpp_token, cpp_toklist): New data
7726 * cpplex.c (bump_column, expand_name_space,
7727 expand_token_space, init_token_list, cpp_output_list,
7728 _cpp_scan_line): New functions.
7729 (output_line_command): Add third argument, new line number.
7730 * cpphash.h: Update prototypes.
7731 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7734 2000-04-20 Richard Henderson <rth@cygnus.com>
7736 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7738 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7740 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7743 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7745 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7746 REG_EQUAL note explaining the calculated value.
7748 * calls.c (expand_call): Avoid unnecesary precalculation
7749 and outgoing parameters space guarding for sibling calls.
7750 (store_one_arg): Likewise.
7752 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7754 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7755 (rest_of_compilation): Write sibling dump file and account
7756 for time as jump time.
7757 * invoke.texi: Update documentation on dump flags.
7759 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7761 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7763 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7765 * cpphash.c (special_symbol): Represent an empty macro with
7766 "\r \r " not just "\r ".
7767 (_cpp_macroexpand): Correct condition for the foo ( ) special
7769 (unsafe_chars): Handle EOF as second argument.
7770 (push_macro_expansion): Simplify test for removing escape at
7771 end. Do not trim both escapes if there is no text in between.
7773 2000-04-19 Jim Blandy <jimb@redhat.com>
7775 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7776 of PTR_SIZE, when appropriate.
7778 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7780 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7781 (USE_ENUM_BITFIELDS): Fix typo.
7783 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7785 * stor-layout.c (place_field): Set rli->offset_align properly.
7787 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7789 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7790 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7791 PARM_BOUNDARY): Remove unnecessary casts.
7793 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7795 * calls.c (precompute_arguments): Remove must_preallocate and
7797 (expand_call): Update call of precompute_arguments.
7799 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7800 check_insn_for_givs): Break out from ...
7801 (strength_reduce) ... here; use for_every_insn_in_loop to call
7802 check_insn_for_givs.
7803 * loop.h (for_every_insn_in_loop): Declare.
7804 (loop_insn_callback): New type.
7806 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7808 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7811 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7813 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7816 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7818 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7820 * configure.in: Delete --disable-cpplib option and all
7821 references to cpp_main.
7822 * configure: Regenerate.
7823 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7824 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7825 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7826 cpp$(exeext). Add --no-headers to makeinfo command line when
7827 generating INSTALL. Install and uninstall cpp.1 manpage, not
7829 * install.texi: Delete all references to cexp.y/cexp.c.
7830 Delete ancient instructions for compiling GCC on 3b1.
7831 * INSTALL: Regenerate.
7833 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7834 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7835 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7837 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7838 which is no longer tested anywhere.
7840 * cppinit.c (handle_option): Don't run error message through
7843 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7845 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7846 * cpperror.c (hashtab.h): Now include.
7847 * cppexp.c (hashtab.h): Likewise.
7848 * cpplex.c (hashtab.h): Likewise.
7849 * cppfiles.c (hashtab.h): Likewise.
7850 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7851 to htab_find_slot_with_hash.
7852 * cpphash.c (hashtab.h): Now include.
7853 (_cpp_lookup_slot): INSERT is now enum insert_option.
7854 * cpphash.h (_cpp_lookup_slot): Likewise.
7855 * cppinit.c (hashtab.h): Include earlier.
7856 (initialize_builtins): Pass enum to htab_find_slot.
7857 * cpplib.c (hashtab.h): Now include.
7858 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7859 (do_pragma_poison, do_assert): Likewise.
7860 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7861 htab_find_slot_with_hash.
7862 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7863 * tree.c (type_hash_add): Likewise.
7864 (build1): Minor cleanup.
7866 * ggc-common.c: Add missing blanks.
7867 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7868 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7870 * stmt.c (mark_case_node): New function.
7871 (mark_case_nesting): Call it.
7873 * expmed.c (emit_store_flag): If comparing two-word integer
7874 with zero, can optimize NE, EQ, GE, and LT.
7876 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7877 * conflict.c: Minor cleanups.
7878 * optabs.c: Add blank line
7879 * simplify-rtx.c: Minor cleanups.
7881 2000-04-18 Stan Cox <scox@cygnus.com>
7883 * gengenrtl.c (genlegend): Fix misspelling.
7885 2000-04-18 Robert Lipe <robertlipe@usa.net>
7887 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7888 bitfields of the host compiler are not signed quantities.
7889 * config.in: Regenerate.
7890 * configure: Regenerate.
7891 * system.h (USE_ENUM_BITFIELDS): Added.
7892 (ENUM_BITFIELDS): Added.
7893 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7894 (SHORT_ENUM_BUG): Deleted.
7895 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7897 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7898 (CODE_FIELD_BUG): Likewise.
7899 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7901 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7903 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7905 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7908 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7910 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7911 * cpplib.c (do_include, do_import, do_include_next,
7912 read_line_number, detect_if_not_defined): Likewise.
7913 * cpphash.c (collect_expansion): Likewise.
7914 (special_symbol, _cpp_macroexpand): Check return from
7916 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7917 macros. Delete all uses.
7919 * gcc.dg/cpp-mi.c: Add two more test cases.
7920 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7922 2000-04-17 Richard Henderson <rth@cygnus.com>
7924 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7925 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7927 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7929 * function.c (expand_function_start): Use hard_function_value to
7930 compute the RTL to use for DECL_RESULT.
7932 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7934 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
7935 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7936 x86_memory_mismatch_stall): New global variables.
7937 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
7938 alloved; fix load penalties for Athlon.
7939 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
7940 x86_memory_mismatch_stall): Declare.
7941 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
7942 TARGET_MEMORY_MISMATCH_STALL): New.
7943 * i386.md (athlon scheduling parameters): Fix latencies according to
7944 Athlon Optimization Manual.
7945 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
7947 (fsqrt instruction patterns): Set athlon_decode to direct.
7948 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
7949 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
7950 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
7951 and TARGET_PARTIAL_REGISTER_STALL machines.
7952 (pushdf_nointeger): New pattern.
7953 (pushdf_integer): Rename from pushdf.
7954 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
7955 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
7957 2000-04-17 Richard Henderson <rth@cygnus.com>
7959 * loop.c (canonicalize_condition): Add WANT_REG argument.
7960 Stop the search if we match it.
7961 * expr.h (canonicalize_condition): Update decl.
7962 * predict.c (expected_value_to_br_prob): Use it. Track last
7963 expected value note.
7964 (find_expected_value): Remove.
7966 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
7968 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7970 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
7971 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
7973 * configure.in: Call AC_FUNC_MMAP_FILE.
7974 * configure: Regenerate.
7975 * config.in: Regenerate.
7977 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
7978 * fixinc/fixincl.c: Likewise.
7980 2000-04-17 Richard Henderson <rth@cygnus.com>
7982 * builtins.c (expand_builtin_expect): New.
7983 (expand_builtin): Call it.
7984 * builtins.def (BUILT_IN_EXPECT): New.
7985 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
7986 * extend.texi: Document it.
7988 * predict.c (expected_value_to_br_prob): New.
7989 (find_expected_value): New.
7990 * basic-block.h (expected_value_to_br_prob): Declare.
7991 * toplev.c (rest_of_compilation): Invoke it.
7993 * rtl.h (NOTE_EXPECTED_VALUE): New.
7994 (NOTE_INSN_EXPECTED_VALUE): New.
7995 * rtl.c (note_insn_name): Update.
7996 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
7997 cases; handle NOTE_INSN_EXPECTED_VALUE.
7999 2000-04-17 Jakub Jelinek <jakub@redhat.com>
8001 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
8002 leaf sibcall delay slot if flag_pic.
8003 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
8005 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8007 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
8009 * fixproto: If fix-header fails, exit with an error.
8011 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8013 * cse.c (struct check_depdendence_data): New.
8014 (check_dependence): New function.
8015 (invalidate): Use check_depdenence.
8017 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8019 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
8020 UNITS_PER_WORD is unsigned.
8022 * tree.h (struct tree_common): Remove misleading comment.
8024 2000-04-16 Dave Pitts <dpitts@cozx.com>
8026 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
8027 message in quotes. Otherwise, IBM's make program treats the '#' as the
8028 start of a comment and ignores the remainder of the line.
8030 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
8032 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
8033 * cexp.y (initialize_random_junk): Likewise.
8034 * cppfiles.c (find_include_file): Cast alloca return value.
8035 * cppinit.c (initialize_standard_includes): Likewise.
8036 * cpplib.c (cpp_define, cpp_undef): Likewise.
8037 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
8038 * final.c (output_asm_insn): Allow for holes in EBCDIC.
8039 * fold-const.c (CHARMASK): New.
8040 (real_hex_to_f): Use it.
8041 * real.c (CHARMASK): New.
8042 (etoasc, asctoeg): Use it.
8043 (asctoeg): EBCDIC lower case characters preceed upper case.
8045 * i370.c (mvs_add_label): Change spacing for coding conventions.
8046 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
8047 outputing case vectors.
8048 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
8049 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
8050 since vector in in the data CSECT.
8051 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
8052 * i370.md (Many patterns): Put the length in the XL directives.
8053 (movdi): Put back STM and MVC in definition.
8054 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
8055 pattern using the TCA.
8056 * oe.h (CPP_SPEC): Added to allow trigraphs.
8057 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
8058 not support the "long long" type.
8060 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8062 * config/mips/mips-protos.h (mips_legitimate_address_p): New
8064 (mips_reg_mode_ok_for_base_p): Likewise.
8065 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
8066 (REG_OK_FOR_INDEX_P): Define unconditionally.
8067 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
8068 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
8069 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
8070 that GET_MODE_SIZE is unsigned.
8071 (mips_reg_mode_ok_for_base_p): Define.
8072 (mips_legitimate_address_p): Likewise. Adjust now
8073 that GET_MODE_SIZE is unsigned.
8074 (block_move_loop): Make the number of bytes unsigned.
8075 (expand_block_move): Likewise.
8076 (function_arg): Make the loop counter unsigned to match the
8079 2000-04-16 Richard Henderson <rth@cygnus.com>
8081 * rtl.h (enum insn_note): New enumeration. Subsume
8082 NOTE_INSN_DELETED and friends.
8083 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
8084 * rtl.c (note_insn_name): Tweak string order.
8086 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
8088 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
8091 * cpplex.c (output_line_command): Remove debugging prints.
8092 (cpp_output_tokens): Don't write out a zero-length buffer or
8093 try to see if it has a newline in it.
8094 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
8095 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
8096 the end of the loop. Use memmove. Don't read past the end of
8097 the buffer. Remove trailing newlines from error messages.
8099 2004-04-16 Neil Booth <NeilB@earthling.net>
8101 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
8102 * cpplib.c: Add new syntax flags to directive table, and
8105 2000-04-15 Ulrich Drepper <drepper@redhat.com>
8107 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
8110 2000-04-15 David Edelsohn <edelsohn@gnu.org>
8112 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
8113 * haifa-sched.c: Update -fsched-verbose comments to use "=".
8115 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8117 * Makefile.in (ggc-page.o): Now includes toplev.h.
8118 * ggc-page.c (toplev.h): Now included.
8119 (gc_time): Remove declaration.
8120 (ggc_collect): TIME now long.
8121 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8123 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8125 * toplev.c: Make *_time variable long to reduce chance of overflow.
8126 (TIMEVAR): Likewise for `otime'.
8127 (print_time): Arg is now long; compute percentage in FP and round.
8128 * toplev.h (print_time): Arg is long.
8130 * tree.c: Minor whitespace changes.
8132 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8133 * configure: Rebuilt.
8134 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8135 (__fixunsxfDI): Renamed from __fixunsxfdi.
8136 (__fixunsdfDI): Renamed from __fixunsdfdi.
8137 (__fixunssfDI): Renamed from __fixunssfdi.
8138 (__floatdisf): Use proper type in REP_BIT macro.
8139 (__fixunsxfSI): Renamed from __fixunsxfsi.
8140 (__fixunsdfSI): Renamed from __fixunsdfsi.
8141 (__fixunssfSI): Renamed from __fixunssfsi.
8142 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8143 Change location of macros and upper-case some names as above.
8144 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8145 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8147 * varasm.c (assemble_variable): Add cast to remove warning.
8148 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8150 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8151 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8152 region number to -1.
8154 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8156 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8157 call unshare_all_rtl.
8159 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8161 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8163 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8164 Use .s1 not .s0 for all FP instructions.
8166 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8168 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8170 (safe_fwrite, output_line_command): New static functions.
8171 (cpp_expand_to_buffer): Now private to cpplib.
8172 (cpp_scan_buffer): Take a printer.
8174 * cpphash.h: Update prototypes.
8175 * cpplib.h: Update prototypes.
8177 (cpp_buffer): Remove last_nominal_fname.
8178 (cpp_reader): Remove lineno.
8180 * cppmain.c: Use a cpp_printer.
8181 * fix-header.c: No need to inhibit line commands. Call
8182 cpp_start_read with no printer.
8184 * cpperror.c (cpp_notice_from_errno): Provide default name.
8185 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8186 (find_include_file, cpp_read_file): Use make_IHASH.
8187 (file_cleanup): Set control_macro and clear
8188 input_stack_listing_current here.
8189 (_cpp_execute_include): Don't output entering-file marker.
8190 * cpphash.c (special_symbol): Look for the line number in the
8191 buffer, not the reader.
8192 (_cpp_macroexpand): No need to disable line commands.
8193 (_cpp_dump_definition): No need to generate line commands.
8194 (dump_hash_helper): Remove excess newline from output.
8195 * cppinit.c (dump_special_to_buffer): No need to generate line
8197 (cpp_printer_init): New.
8198 (cpp_start_read): Take a printer, and start it up if it's not
8199 NULL. No need to generate line commands.
8200 (cpp_finish): Expect no buffers stacked at all. Take a
8201 printer argument, and flush the output buffer if it's not
8203 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8204 Don't put two hashes at the beginning of an assertion.
8205 (cpp_get_token): Don't increment pfile->lineno or emit line
8206 commands here. Return EOF if there's no buffer when we get
8208 * cpplib.c (do_define, skip_if_group):
8209 No need to disable line commands.
8210 (_cpp_output_line_command): Delete function.
8211 (do_line): Don't emit line commands here, but set things up so
8212 they will be emitted if necessary. Use _cpp_fake_ihash to
8213 make unique nominal_fnames if necessary.
8214 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8215 with 0 for column, not -1.
8216 (_cpp_handle_eof): Don't set the control macro here. Don't
8217 clear input_stack_listing_current here. Don't emit line
8220 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8222 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8223 always, use the default SVR4 start address.
8225 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8226 (LINK_SHLIB_SPEC): Define.
8227 (LINK_START_DEFAULT_SPEC): Define.
8228 (LINK_OS_DEFAULT_SPEC): Define.
8230 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8232 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8233 __do_global_ctors to handle constructors.
8234 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8235 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8236 (STARTFILE_MVME_SPEC): Likewise.
8237 (STARTFILE_SIM_SPEC): Likewise.
8238 (ENDFILE_ADS_SPEC): Use crtend.
8239 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8240 (ENDFILE_MVME_SPEC): Likewise.
8241 (ENDFILE_SIM_SPEC): Likewise.
8242 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8243 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8244 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8245 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8246 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8247 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8248 (CRTSTUFF_T_CFLAGS_S): Define.
8249 * config/rs6000/eabi-ctors.c: Delete.
8251 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8254 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8258 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8260 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8261 plus mask size is smaller or equal to the mode size.
8263 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8265 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8268 * expr.c (reload.h): Now included.
8269 (emit_block_move): Set volatile_ok when checking for movstr.
8270 (emit_move_1): Check for replacements in addresses in multi-word case.
8271 * Makefile.in (expr.o): Now includes reload.h.
8273 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8274 Never have a LIBCALL end a basic block.
8275 (find_basic_blocks_1): Likewise.
8276 Reorganize CALL_INSN cases.
8278 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8280 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8282 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8283 completers from mov.ret instruction.
8285 2000-04-14 Richard Henderson <rth@cygnus.com>
8287 * fold-const.c (extract_muldiv): Don't distribute and widen
8288 multiply across plus for non-sizetype unsigned types.
8290 2000-04-14 Richard Henderson <rth@cygnus.com>
8292 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8293 If the original source is dead in the incr insn, it's dead now.
8295 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8297 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8298 see if DECL_BIT_FIELD needs to still be set.
8300 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8302 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8303 print_int_cst_octal with something that's not an INTEGER_CST.
8305 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8306 and not a SUBREG to a FLOAT rtl.
8308 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8310 * emit-rtl.c (try_split): Avoid infinite loop if the split
8311 results in a sequence that contains the original insn.
8313 2000-04-13 Andreas Jaeger <aj@suse.de>
8315 * config/mips/mips.c (expand_block_move): Pass alignment
8316 argument to move_by_pieces in bits, not bytes.
8318 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8319 __pic__ for little endian.
8321 2000-04-13 Andreas Jaeger <aj@suse.de>
8323 * config/i386/i386-protos.h: Add prototype for
8324 uno_comparison_operator.
8326 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8328 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8329 * calls.c (ECF_PURE): New flag.
8330 (emit_call_1): Handle ECF_PURE calls.
8331 (initialize_argument_information): Unset ECF_PURE flag too.
8332 (precompute_arguments): Precompute for ECF_PURE too.
8333 (expand_call): Handle ECF_PURE calls too.
8334 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8335 accept value of 2 as pure function.
8336 (emit_library_call_value, emit_library_call): Rename no_queue argument
8338 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8340 * tree.h (DECL_IS_PURE): New macro.
8341 (struct tree_decl): Add pure_flag.
8342 * c-common.c (enum attrs): Add attribute "pure".
8343 (init_attributes): Initialize attribute "pure"
8344 (decl_attributes): Handle attribute "pure".
8345 * extend.texi (Attribute "pure"): Document.
8346 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8348 (flags_from_decl_or_type): Support attribute "pure".
8350 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8352 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8353 the token except for numbers and identifiers.
8355 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8357 * i386.c (ix86_expand_binary_operator,
8358 ix86_expand_unary_operator): Check no_new_pseudos
8359 instead of reload_in_progress and reload_completed.
8360 (ix86_split_ashldi, ix86_split_ashrdi,
8361 ix86_split_lshrdi): Check no_new_pseudos instead
8362 of reload_completed.
8364 2000-04-12 Jeffrey A Law (law@cygnus.com)
8366 * function.c (purge_addressof): Unshare any shared rtl created by
8367 purge_addressof and its children.
8369 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8371 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8374 2000-04-05 Andreas Jaeger <aj@suse.de>
8376 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8377 not compiling PIC code, add flags for mabi=64.
8378 (SUBTARGET_CPP_SIZE_SPEC): New.
8379 (SUBTARGET_CPP_SPEC): New.
8380 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8381 for MIPS/Linux and lots of code needs these defines.
8383 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8385 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8386 trying the "opposite arithmetic" approach.
8388 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8390 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8391 (struct sh_args): Add new field force_mem.
8392 (INIT_CUMULATIVE_ARGS): Initialize it.
8393 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8395 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8397 * calls.c (expand_call): Do not reverse args in "equal from" field.
8398 (emit_library_call_value_1): Emit_libcall_block for const and pure
8401 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8403 * reload1.c (reload_combine): Don't enable optimization for fixed
8404 registers when encountering a BARRIER.
8406 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8408 * builtins.c (expand_builtin_memcmp): Do expansion even with
8409 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8411 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8412 stack is propertly aligned; add sanity checking for aligned
8414 (expand_library_call_value_1): Add sanity checking for aligned
8417 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8419 * calls.c (emit_library_call_value_1): Change 3rd arg to
8420 locate_and_pad_parm to disregard the setting of partial.
8422 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8424 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8426 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8427 CALL_INSN from the normal case.
8429 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8431 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8432 New global variables.
8433 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8435 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8437 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8438 TARGET_ADD_ESP_8): New macros.
8439 * i386.md: Add peep2s to convert esp adjustments to push and pop
8441 (pushsi_prologue, popsi_epilogue): New patterns.
8443 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8445 * real.c (toe64): Remove stale #endif from the last change.
8447 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8449 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8450 * real.c (toe64): Revert previous change.
8452 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8454 * objc/objc-act.c: Include ggc.h.
8455 (objc_tree_index, objc_global_trees): Convert most of the
8456 static tree variables into a static array with previous names
8458 (objc_ellipsis_node): New variable.
8459 (lang_init): Call objc_act_parse_init and c_parse_init.
8460 Create objc_ellipsis_node.
8461 (build_selector_translation_table): Use objc_ellipsis_node instead
8463 (hack_method_prototype): Likewise.
8464 (get_arg_type_list): Likewise.
8465 (start_method_def): Likewise.
8466 (continue_method_def): Likewise.
8467 (gen_method_decl): Likewise.
8468 (ggc_mark_imp_list): New function.
8469 (ggc_mark_hash_table): New function.
8470 (objc_act_parse_init): New function.
8471 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8472 * c-parse.in (c_parse_init): For objc add roots of objc specific
8473 local tree variables.
8474 * objc/objc-parse.y: Rebuilt.
8475 * objc/objc-parse.c: Rebuilt.
8476 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8478 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8480 * cse.c (delete_trivially_dead_insns): Also delete insns
8481 that copy a register to itself where the destination is
8484 2000-04-11 Richard Henderson <rth@cygnus.com>
8486 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8487 (propagate_block): Initialize them. Use them in parallel instead
8488 of one tmp variable, ie revert much of the 0408 and 0407 functional
8489 changes, but keep the structural changes.
8490 (mark_set_regs): Take new_dead from propagate_block_info instead.
8491 (mark_set_1, mark_set_reg): Likewise.
8492 (mark_used_regs): Likewise with new_live.
8493 (mark_used_reg): Likewise. Revert 0408 change.
8495 2000-04-11 Nick Clifton <nickc@cygnus.com>
8497 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8499 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8501 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8503 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8504 const section to output a CONSTRUCTOR based on the same conditions
8507 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8509 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8510 * pa/pa-protos.h (output_call): Add additional argument indicating
8511 if the call is a sibling/tail call.
8512 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8513 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8514 (function_arg, function_arg_partial_nregs): Likewise
8515 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8516 (emit_move_sequence): Zero extend certain constants as needed
8518 (compute_zdepdi_operands, output_64bit_and): New functions.
8519 (output_64bit_ior, function_arg): Likewise.
8520 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8521 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8522 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8523 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8524 (output_bvb): Likewise.
8525 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8526 (output_call): New argument 'sibcall'. Generate sibcall sequences
8528 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8529 (ouput_arg_descriptor): Do not emit argument descriptors for
8531 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8533 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8534 (FUNCTION_OK_FOR_SIBALL): Define.
8535 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8536 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8537 (CPP_SPEC): Use new spec infrastructure.
8538 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8539 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8540 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8541 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8542 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8543 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8544 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8545 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8546 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8547 (FUNCTION_ARG); Call out to C code.
8548 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8549 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8550 (MIN_UNITS_PER_WORD): Likewise.
8551 * pa/pa.md (cmpdi): New expander.
8552 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8553 (64bit conditional arithmetic): New patterns.
8554 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8555 (movsicc): Not available if modes on all the operands to not match.
8556 (movdicc): New expander and associated patterns.
8557 (64bit branches): New patterns.
8558 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8559 (pre_ldd, post_std): New patterns.
8560 (64bit addil, load low part): New patterns.
8561 (special movsf constant): Not available for TARGET_64BIT.
8562 (movsf, movdf expanders): Force constants into memory.
8563 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8564 (64bit movdf/movdi patterns): New patterns.
8565 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8567 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8568 (adddi3 expander): Allow "arith_operand" for second input.
8569 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8570 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8571 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8572 (muldi3): New expander for TARGET_64BIT.
8573 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8575 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8576 patterns for TARGET_64BIT.
8577 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8578 patterns for TARGET_64BIT.
8579 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8580 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8581 (sibcall_epilogue): New expander.
8582 (casesi): Tweak for TARGET_64BIT.
8583 (call expanders): Set & use the outgoing argument pointer. Use the
8584 64bit call patterns as needed. Add additional arg to output_call.
8585 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8586 (sibcall, sibcall_internal_symref): New expanders.
8587 (sibcall_value, sibcall_value_internal_symref
8588 (interspace_jump): Turn into an expander + matching patterns.
8589 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8590 * pa/pa64-regs.h: Eliminate trigraph sequences.
8591 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8593 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8595 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8596 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8597 cpp_token with cpp_ttype everywhere.
8598 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8599 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8600 CPP_BUF_COL. Line and column numbers are unsigned int, not
8602 * cpplex.c (cpp_buf_line_and_col): Delete.
8603 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8604 'long lineno' to 'unsigned int lineno'.
8605 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8607 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8609 * extend.texi: ISO C99 is not a draft anymore.
8610 * invoke.texi: ISO C++ is not a draft anymore.
8611 * cpp.texi: __cplusplus is required by the ISO standard.
8613 * extend.texi (-fthis-is-variable): Undocument.
8614 * flags.h (warn_template_debugging): Remove declaration.
8615 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8616 -Wenum-clash, -Wtemplate-debugging): Undocument.
8618 2000-04-10 Nick Clifton <nickc@cygnus.com>
8620 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8622 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8624 (ARM_SIGN_EXTEND): Use HOST_UINT.
8625 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8626 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8627 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8628 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8630 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8631 (arm_gen_constant): Use HOST_UINT.
8632 (arm_canonicalize_constant): Use HOST_UINT.
8633 (arm_reload_in_hi): Use HOST_UINT.
8634 (arm_reload_out_hi): Use HOST_UINT.
8635 (output_multi_immediate): Use HOST_UINT.
8636 (int_log2): Use HOST_UINT.
8637 (arm_poke_function_name): Use HOST_UINT.
8638 (arm_output_epilogue): Use arm_volatile_func().
8639 (output_thumb_prologue): Use arm_strip_name_encoding().
8641 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8643 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8644 of sequence point problems.
8646 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8648 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8650 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8652 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8654 * sbitmap.h: Whitespace changes and use upper-case macro args.
8655 (struct simple_bitmap_def): All sizes now unsigned.
8656 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8657 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8658 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8659 (sbitmap_zero): Cast bzero arg to PTR.
8660 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8661 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8662 loop to make structure clearer.
8663 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8664 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8665 (sbitmap_a_and_b_or_c): Likewise.
8666 (sbitmap_intersection_of_succs): Minor cleanups.
8667 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8668 (sbitmap_union_of_preds): Likewise.
8669 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8670 (debug_sbitmap): New function.
8672 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8673 * c-typeck.c (convert_for_assignment): Likewise.
8675 * expmed.c (init_expmed): Don't free objects we make.
8676 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8678 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8679 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8681 * gcse.c (expr_hash_table_size): Now unsigned.
8682 (compute_ae_gen): Local variable `i' now unsigned.
8683 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8684 (compute_transout, hoist_code): Likewise.
8685 (compute_local_properties): Likewise, also hash_table_size.
8686 (alloc_expr_hash_table): N_INSNS now unsigned.
8687 (delete_null_pointer_checks): Mark arg F as unused.
8689 * regrename.c: Minor cleanups, including chang some variables
8692 2000-04-10 Neil Booth <NeilB@earthling.net>
8694 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8696 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8698 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8700 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8701 __classof__, and __headof__ from the list of gnu keywords.
8702 (-ansi): Remove -foperator-names from list of implied options.
8703 Do not call it ANSI C++.
8704 (-foperator-names): Document as -fno-operator-names.
8706 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8708 * cpphash.c (timestamp): Delete.
8709 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8710 (special_symbol): Remove unnecessary braces. Remove
8711 T_VERSION. Treat T_STDC like T_CONST unless
8712 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8713 when one is encountered, then convert them into T_MCONST
8715 * cppinit.c (builtin_array): version_string is T_MCONST.
8716 __STDC__ has a "1" in its cpval. Don't have a terminator
8717 entry. Clean up which entries are dumped.
8718 (initialize_builtins): Only __STDC__ gets the special
8719 -traditional treatment. Count the length of builtin_array.
8720 Render version_string here.
8721 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8722 * cpplib.h (struct cpp_reader): Remove timebuf.
8724 2000-04-09 Richard Henderson <rth@cygnus.com>
8726 * genrecog.c (pred): Update comparison_operator for the unordered
8729 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8731 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8732 (uno_comparison_operator): New.
8733 (put_condition_code): Handle UNORDERED/ORDERED.
8734 (unsigned_comparison): Likewise.
8735 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8736 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8737 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8738 update all callers. Handle all 8 unordered operators.
8739 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8740 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8741 * config/i386/i386.h (PREDICATE_CODES): Update.
8742 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8743 (ix86_expand_branch, ix86_expand_setcc): Update.
8744 * config/i386/i386.md (sunordered, sordered): New.
8745 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8746 (bunordered, bordered): New.
8747 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8748 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8749 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8751 2000-04-09 Philip Blundell <philb@gnu.org>
8753 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8755 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8757 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8758 fix_truncxfhi2): New patterns.
8759 * i386.c (output_fix_trunc): Handle converting to HImode.
8761 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8763 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8765 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8766 (for_each_successor_phi): Change parameter to basic_block.
8767 (coalesce_regs_in_successor_phi_nodes): Likewise.
8768 (coalesce_regs_in_copies): Likewise.
8769 (compute_coalesced_reg_partition): Use basic_block instead of index.
8770 * rtl.h (convert_to_ssa): Delete.
8771 (convert_from_ssa): Likewise.
8772 (successor_phi_fn): Likewise.
8773 (for_each_successor_phi): Likewise.
8774 (in_ssa_form): Likewise.
8775 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8776 (convert_from_ssa): Likewise.
8777 (successor_phi_fn): Likewise.
8778 (in_ssa_form): Likewise.
8779 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8780 * flow.c (calculate_global_regs_live): Pass a basic_block to
8781 for_each_successor_phi.
8783 2000-04-08 Richard Henderson <rth@cygnus.com>
8785 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8786 was modified in the current insn.
8788 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8790 * arm/thumb.md: Delete.
8791 * arm/thumb-protos.h: Delete.
8793 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8795 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8797 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8799 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8802 * arm.md (nop): Use the standard RTL expression. Don't code as a
8804 (*arm_nop, *thumb_nop): Delete.
8806 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8807 constants. Use casts instead.
8808 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8809 output_multi_immediate, arm_poke_function_name): Likewise.
8810 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8811 MASK_RETURN_ADDDR): Likewise.
8813 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8815 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8818 * arm.md (eh_epilogue): New function.
8819 * arm.h (struct machine_function): Move to here ...
8820 * arm.c: ... from here.
8821 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8822 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8823 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8825 2000-03-30 Nick Clifton <nickc@cygnus.com>
8827 * config/arm/semi.h (ASM_SPEC): Restore definition.
8828 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8830 * config/arm/elf.h (ASM_SPEC): Restore definition.
8831 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8833 * config/arm/arm.h (ASM_SPEC): Remove definition.
8834 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8836 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8838 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8840 2000-03-24 Nick Clifton <nickc@cygnus.com>
8842 Various formating tidyups, elimination of compile time
8843 warnings and synchronisation with internal sources:
8845 * config/arm/arm-protos.h (assemble_align): Add prototype.
8846 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8847 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8848 (arm_return_addr_rtx): Rename to arm_return_addr.
8850 * config/arm/arm.c: Include except.h.
8851 Define shorter typenames for strict minipool_node and struct
8853 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8855 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8856 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8858 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8860 (ASM_SPEC): Define if not already defined.
8861 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8863 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8864 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8865 arm_gen_compare_reg.
8866 (indirect_jump): Only accept register operands.
8867 (load_indirect_jump): Keep this pattern since combine can generate
8870 * config/arm/coff.h: Include aout.h.
8871 (MULTILIB_DEFAULTS): Only define if not already defined.
8873 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8874 into arm.h (so that COFF ports can support thumb based aliases).
8875 (ASM_SPEC): Move definition into arm.h
8877 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8878 redundant apcs spec.
8879 (ASM_SPEC): Move definition to arm.h
8881 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8883 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8884 for entries in the .bss section
8886 2000-03-23 Nick Clifton <nickc@cygnus.com>
8888 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8889 to thumb_far_jump_used_p.
8891 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8892 single integer parameter.
8894 * config/arm/arm.c (struct machine_function): Add two new
8895 fields, 'far_jump_used' and 'arg_pointer_live'.
8896 (thumb_far_jump_used_p): Once the decision has been made that
8897 far jumps might be used, always return true.
8898 If being called from the initial elimination offset macro then
8899 do not bother to perform the test if the arg pointer is not
8901 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8902 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8904 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8906 * arm.c (output_return_instruction): Handle more cases where we can
8907 return from a function with an ldr instruction.
8908 (arm_output_epilogue): Likewise.
8910 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8911 if we need to push a large stack frame and there are no callee-saved
8914 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8915 in ARM code if the frame pointer has been eliminated.
8917 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8918 unspec_volatile arguments to avoid duplicates.
8919 (consttable_1, consttable_2): Fixes for big-endian mode.
8921 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8924 Re-write constant pool code.
8925 * arm.c (minipool_node, minipool_fix): New types.
8926 (minifix): Delete type.
8927 (arm_add_minipool_constant): Delete.
8928 (arm_compute_minipool_offsets, arm_find_barrier,
8929 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8930 (get_jump_table_size): Now returns HOST_WIDE_INT.
8931 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8933 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8934 (assign_minipool_offsets, arm_print_value): Likewise.
8935 (dump_minipool): Rewrite.
8936 (arm_barrier_cost): New function.
8937 (create_fix_barrier): New function.
8938 (push_minipool_barrier): New function.
8939 (push_minipool_fix): Record additional information about the fixup
8941 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
8942 check the mode of what needs fixing.
8943 (arm_reorg): Rewrite.
8945 2000-03-08 Nick Clifton <nickc@cygnus.com>
8947 * config/arm/arm.md (indirect_jump): Force constant addresses into
8950 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
8952 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
8954 2000-02-24 Nick Clifton <nickc@cygnus.com>
8956 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
8957 adjust is word aligned.
8958 (thumb_expand_epilogue): Make sure that stack adjust is word
8961 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
8963 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
8965 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
8966 pointer relative addresses.
8968 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
8970 * arm.c (find_barrier): Find the last barrier within the allowed
8973 2000-02-09 Nick Clifton <nickc@cygnus.com>
8975 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
8977 2000-02-09 Nick Clifton <nickc@cygnus.com>
8979 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
8980 ARM_FUNCTION_PROFILER.
8982 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
8983 ARM_FUNCTION_PROFILER.
8985 * config/arm/linux-oldld.h: Imported from mainline sources.
8987 2000-02-07 Nick Clifton <nickc@cygnus.com>
8989 * config/arm/lib1funcs.asm: Merge in thumb functions from
8992 * config/arm/lib1thumb.asm: Delete.
8994 2000-02-04 Nick Clifton <nickc@cygnus.com>
8996 * config/arm/arm.c: Sychronised with current Red hat local
8998 * config/arm/arm.h: Ditto.
8999 * config/arm/arm-protos.h: Ditto.
9001 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
9003 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
9005 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
9008 2000-02-02 Nick Clifton <nickc@cygnus.com>
9010 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
9012 * config/arm/arm.md (epilogue): Fix rtl checking abort because
9013 (return) was emited using an emit_insn() call.
9015 2000-01-31 Nick Clifton <nickc@cygnus.com>
9017 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
9019 (thumb_exit): Move frame pointer back into hard frame pointer
9020 register if backtracing is being used.
9022 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
9024 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
9027 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
9029 * config/arm/arm.md (neg_pool_offset): Provide default for new
9031 (arm_movsi_insn): Add neg_pool_offset attribute.
9032 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
9033 rtx for the insn that starts the scan and an unsigned long for its
9034 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
9035 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
9036 instructions in *PINSERTED.
9037 (struct minipool_fixup): Add MIN_ADDRESS elt.
9038 (sort_fixups): Compute it.
9039 (arm_reorg): Changes to support inserting pools before the insn to be
9042 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9044 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
9045 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
9046 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
9048 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
9050 * config/arm/semi.h (TARGET_VERSION): Do not define if already
9052 (TARGET_DEFAULT): Do not define if already defined.
9054 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
9056 * config/arm/arm.md (anddi3): Allow disjoint source operands.
9057 (iordi3): Allow disjoint source operands.
9058 (xordi3): Allow disjoint source operands.
9059 (negdi2): Permit construction for ARM and Thumb.
9060 (arm_negdi2): Renamed version of old negdi2 pattern.
9061 (thumb_negdi2): New pattern: Only permit non-overlapping
9062 source and destination.
9064 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
9066 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
9067 scratch low register so that it will not be deleted.
9069 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
9071 * config/arm/pe.h (ARM_PE): Define.
9073 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
9074 interfacearm attribute if this is a PE toolchain.
9075 (output_return_instruction): Do not emit anything if the function
9076 has the naked attribute set.
9077 (is_called_in_ARM_mode): If the function has the interfacearm
9078 attribute then return true.
9079 (thumb_expand_prologue): Do not generate a prologue for naked
9081 (thumb_expand_epilogue): Do not generate an epilogie for a naked
9083 (output_thumb_prologue): Do not bother if the function is naked.
9084 Strip PE encoding from function name before emitting.
9086 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9088 * arm.md (pic_load_addr): Fix constraints.
9090 * arm.md (casesi_insn): Fix mis-applied patch.
9092 * arm.md ("core" function unit): Add rules for single- and
9094 (All TARGET_THUMB patterns): Add "type" attribute information
9096 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
9097 the following insn is a CALL.
9099 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
9101 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
9102 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
9103 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
9105 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
9107 * config/arm/linux-gas.h: oops - this file was missed out when the
9108 branch was created...
9110 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
9112 * thumb.c: Deleted. Move contents to ...
9114 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
9116 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9119 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9120 declare a prototype for asm_output_align();
9122 * arm.c (thumb_condition_code): Delete.
9123 (arm_print_operand): Always use arm_condition_code array.
9125 * arm.c (thumb_return_addr_rtx): Delete.
9126 (arm_save_machine_status, arm_restore_machine_status): Delete.
9127 (arm_init_machine_status, arm_mark_machine_status): New functions.
9128 (arm_init_expanders): Update accordingly.
9129 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9130 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9131 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9133 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9135 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9137 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9140 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9142 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9143 stack backtrace structure.
9145 * config/arm/arm-protos.h: Add prototypes for functions defined in
9148 * config/arm/arm.c (arm_override_options): Fix selection of
9149 attributes of default processor.
9151 * config/arm/coff.h: Delete needless #include.
9153 * config/arm/pe.c: Delete unused code.
9155 * config/arm/pe.h (CPP_DEFINES): Delete
9156 (SUBTARGET_CPP_SPEC): Define.
9157 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9159 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9161 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9163 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9165 (CAN_DEBUG_WITHOUT_FP): Define.
9166 (FIXED_REGISTERS): Make r11 call-saved.
9167 (CALL_USED_REGISTERS): Likewise.
9168 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9169 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9170 frame-pointer is required.
9171 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9172 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9173 if the target normally needs a stack frame in non-leaf functions.
9174 (use_return_insn): Correct logic for determining when a return
9175 instruction can be used.
9176 (output_return_instruction): Handle the frame-pointer register as
9177 a normal register when not TARGET_APCS_FRAME.
9178 (arm_output_prologue): Likewise.
9179 (arm_output_epilogue): Likewise.
9180 (output_func_epilogue): Likewise.
9181 (arm_expand_prologue): Likewise.
9182 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9184 * arm.c (use_return_insn): No need to check floating point regs if
9186 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9187 the code of value stored in the minipool array.
9188 (arm_add_minipool_constant): Likewise.
9190 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9192 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9194 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9196 * tree.c (tree_expr_nonnegative_p): New function.
9198 * tree.h (tree_expr_nonnegative_p): Declare.
9200 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9201 elide some sign_compare warnings.
9202 (build_conditional_expr): Likewise.
9204 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9206 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9208 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9209 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9210 operand. Abort if a 387 operand has an unsupported size.
9212 2000-04-08 Neil Booth <NeilB@earthling.net>
9214 * cppexp.c (parse_charconst): Null does not end character
9216 * cppinit.c (ISTABLE): Null character handled as whitespace.
9217 * cpplex.c (null_warning): new function.
9218 (skip_string): Emit warning if nulls encountered.
9219 (_cpp_skip_hspace): Emit warning if nulls encountered.
9220 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9224 2000-04-07 Richard Henderson <rth@cygnus.com>
9226 * flow.c (loop_depth): Remove.
9227 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9228 (struct propagate_block_info): New.
9229 (life_analysis): Don't allocate reg_next_use.
9230 (propagate_block_delete_insn): Break out of propagate_block.
9231 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9232 (propagate_block_delete_libcall): Likewise.
9233 (propagate_block): Create a propagate_block_info struct to pass
9234 to subroutines. Allocate one not two temporary regsets. Don't
9235 clobber memory for const calls. Look for clobbers in
9236 CALL_INSN_FUNCTION_USAGE.
9237 (mark_set_regs): Recognize COND_EXEC.
9238 (mark_set_reg): Break out of mark_set_1.
9239 (mark_used_reg): Break out of mark_used_regs.
9240 (mark_used_regs): Recognize COND_EXEC.
9241 (insn_dead_p): Use propagate_block_info struct.
9242 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9243 (find_auto_inc, try_pre_increment_1): Likewise.
9244 (print_rtl_with_bb): Dump regs live at end too.
9245 (count_reg_sets_1): Pass in loop_depth.
9246 (count_reg_sets, count_reg_references): Likewise.
9247 (recompute_reg_usage): Provide it.
9249 2000-04-07 Richard Henderson <rth@cygnus.com>
9251 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9254 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9256 * cpplib.c (do_elif): Skip the rest of the line if we're
9257 not going to bother evaluating it.
9258 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9259 to avoid pointless calls to the lexer.
9261 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9263 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9265 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9267 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9269 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9271 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9273 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9275 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9276 crtend so they can be multilibbed.
9277 (STAGESTUFF): Remove s-crt and s-crtS.
9279 2000-04-07 Richard Henderson <rth@cygnus.com>
9281 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9282 if we discover we need a pseudo and no_new_pseudos is true.
9283 * config/alpha/alpha.md (ne:DI insn): New.
9284 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9286 2000-04-07 Richard Henderson <rth@cygnus.com>
9288 * rtl.def (COND_EXEC): New.
9289 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9290 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9292 * genconfig.c (have_cond_arith_flag): Remove.
9293 (have_cond_exec_flag): New.
9294 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9295 (main): Print HAVE_conditional_execution.
9297 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9298 (sched_analyze_insn, print_pattern): Likewise.
9299 * reload.c (find_equiv_reg): Likewise.
9300 * rtlanal.c (reg_referenced_p): Likewise.
9301 (note_stores, dead_or_set_regno_p): Likewise.
9302 (reg_overlap_mentioned_p): Rewrite to use a switch.
9304 * ggc.h (struct rtx_def): Forward declare.
9306 * print-rtl.c (debug_rtx_range): New.
9307 * rtl.h (debug_rtx_range): Declare.
9309 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9311 * gcse.c (gcse_main): Don't rebuild the CFG here.
9312 (delete_null_pointer_checks): Likewise.
9313 * ssa.c (convert_to_ssa): Likewise.
9314 * toplev.c (rest_of_compilation): Do it here instead. Combine
9315 sequential calls to TIMEVAR. Consistently use `insns' instead of
9316 `get_insns()'. Always split insns after reload when optimizing.
9318 * basic-block.h (merge_blocks_nomove): Declare.
9319 (tidy_fallthru_edge): Declare.
9320 * flow.c (merge_blocks_nomove): Document as merging into previous
9321 blocks. Remove cruft from between blocks; remove all edges out of A.
9322 (tidy_fallthru_edge): Export.
9324 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9326 * ssa.c (compute_conservative_reg_partition): Declare with
9328 * toplev.c (clean_dump_file): Remove previously-deleted function
9329 inadvertantly merged back in.
9330 * conflict.c (conflict_graph_add): Use a single call to
9331 htab_find_slot to look up and insert.
9333 2000-04-06 Richard Henderson <rth@cygnus.com>
9335 * genrecog.c (*): Rename _last_insn to last_insn.
9336 (make_insn_sequence): Set the position of the peephole2 C test
9337 to be at the last insn.
9339 2000-04-06 Richard Henderson <rth@cygnus.com>
9341 * flow.c (compute_flow_dominators): Free worklist.
9343 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9345 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9347 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9349 * rtl.h (INSN_P): New macro.
9350 (successor_phi_fn): New typedef.
9351 (for_each_successor_phi): New prototype.
9352 (in_ssa_form): New variable.
9353 (PHI_NODE_P): Likewise.
9354 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9355 phi nodes in successors.
9356 (mark_used_regs): Add PHI case.
9357 (set_phi_alternative_reg): New function.
9358 (life_analysis): Assert that dead code elimination is not selected
9360 * toplev.c (to_ssa_time): New variable.
9361 (from_ssa_time): Likewise.
9362 (compile_file): Zero to_ssa_time and from_ssa_time.
9363 Print time to convert to and from SSA.
9364 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9365 (print_time): Compute percent fraction as integer.
9366 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9367 (convert_to_ssa): Check if we're already in SSA.
9368 Don't eliminate dead code in life_analysis.
9369 Rerun flow and life analysis at bottom.
9370 (eliminate_phi): Use canonical regnos when adding nodes.
9371 (mark_reg_in_phi): New function.
9372 (mark_phi_and_copy_regs): Likewise.
9373 (convert_from_ssa): Rerun life analysis at top.
9374 Use coalesced partition.
9375 Check for removing a phi node at the end of the block.
9376 (compute_coalesced_reg_partition): New function.
9377 (coalesce_regs_in_copies): Likewise.
9378 (coalesce_reg_in_phi): Likewise.
9379 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9380 (for_each_successor_phi): Likewise.
9381 (rename_context): New struct.
9382 (rename_block): Use a rename_context with rename_insn_1. When
9383 renaming sets of a subreg, emit a copy of the entire reg first.
9384 (rename_insn_1): Treat data as a rename_context *. Save current
9386 (rename_set_data): Add field set_insn.
9387 * Makefile.in (HASHTAB_H): Move up in file.
9388 (OBSTACK_H): New macro.
9389 (collect2.o): Use OBSTACK_H in dependencies.
9390 (sdbout.o): Likewise.
9391 (emit-rtl.o): Likewise.
9392 (simplify-rtx.o): Likewise.
9393 (fix-header.o): Likewise.
9394 (OBJS): Add conflict.o.
9395 (conflict.o): New rule.
9396 * basic-block.h: Include partition.h.
9397 (conflict_graph): New typedef.
9398 (conflict_graph_enum_fn): Likewise.
9399 (conflict_graph_new): New prototype.
9400 (conflict_graph_delete): Likewise.
9401 (conflict_graph_add): Likewise.
9402 (conflict_graph_conflict_p): Likewise.
9403 (conflict_graph_enum): Likewise.
9404 (conflict_graph_merge_regs): Likewise.
9405 (conflict_graph_print): Likewise.
9406 (conflict_graph_compute): Likewise.
9407 * conflict.c: New file.
9409 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9411 * tlink.c (read_repo_files): Don't look for .rpo info for
9414 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9416 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9418 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9420 * config/sh/lib1funcs.asm (___udivsi3_i4):
9421 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9422 only depends on FMOVD_WORKS.
9424 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9426 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9427 make double constant 8-byte aligned.
9429 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9431 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9432 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9433 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9434 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9435 Accept storing GENERAL_REGS into offsetable memory.
9436 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9437 building a TFmode constant other than 0.0L into GENERAL_REGS.
9439 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9441 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9443 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9445 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9446 (macro_cleanup): No need to cast pbuf->macro.
9447 (collect_expansion): Use _cpp_get_define_token. Goto done if
9448 it returns VSPACE. Remove check for trailing space after
9450 (_cpp_create_definition): Don't diddle flags here. Return
9452 (unsafe_chars): Handle c1 being EOF.
9453 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9454 checks. Don't push the buffer till after we're done with
9456 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9457 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9458 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9460 (_cpp_parse_assertion): Don't NUL terminate.
9461 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9462 hspace before calling _cpp_parse_assertion. Remove all sets
9463 of only_seen_white. Treat '\f' as hspace. Don't do anything
9464 special with '\n' here.
9465 (maybe_macroexpand): Handle T_EMPTY hash entries without
9466 pushing a buffer at all.
9467 (cpp_get_token): Handle clearing only_seen_white here. Handle
9468 incrementing the line number here. Clear
9469 potential_control_macro as well as only_seen_white, if
9471 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9472 (_cpp_get_define_token): New function, basically like
9473 _cpp_get_directive_token was but doesn't eat horizontal space.
9474 Don't do anything with only_seen_white here.
9475 (_cpp_get_directive_token): Just call _cpp_get_define_token
9476 repeatedly till it returns non-hspace.
9478 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9479 (conditional_skip, skip_if_group): Return int.
9480 (DIRECTIVE_TABLE): Change origin of all conditional directives
9482 (TRAD_DIRECT_P): New macro.
9483 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9484 an error for a bogus directive, unless -lang-asm. Use
9485 TRAD_DIRECT_P. Loop calling handler functions till one returns
9487 (get_macro_name): Don't diddle flags here.
9488 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9489 Create T_EMPTY nodes for #define macro /* nothing */.
9490 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9491 Use hp->name when calling pass_thru_directive.
9492 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9493 Return the result of conditional_skip and/or skip_if_group.
9494 Don't call _cpp_output_line_command.
9495 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9496 Issue -Wtraditional warnings as appropriate. Don't complain
9497 about unrecognized directives. If we are to stop skipping,
9498 return the number of the directive that ended the skip.
9499 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9500 expansion and line commands while skipping. Return the result
9501 of consider_directive_while_skipping, if nonzero.
9502 (do_endif): Just set potential_control_macro here.
9503 (validate_else): Use _cpp_get_directive_token.
9504 (do_assert, do_unassert): Don't save pointers into the
9505 token_buffer across calls to the lexer. Use
9506 _cpp_get_directive_token.
9508 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9509 pointer, not an offset. Replace 'data', which was a generic
9510 pointer, with 'macro', which points to a struct hashnode.
9511 (cpp_reader): Add 'potential_control_macro' pointer.
9512 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9513 (CPP_BUF_GET, CPP_FORWARD): Delete.
9514 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9515 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9516 ACTIVE_MARK_P): Update.
9517 (_cpp_get_define_token): New internal function.
9518 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9520 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9522 * configure.in: And here.
9523 * configure: Regenerate.
9524 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9525 --enable-libstdcxx-v3 is passed at configure time.
9526 * config.h.in: Regenerate.
9528 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9530 * final.c (final): Use xcalloc to allocate line_note_exists.
9531 * function.c (free_after_compilation): Free the temp_slots.
9532 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9533 (combine_temp_slot): Free temp_slots when they get combined.
9534 (purge_addressof): Fix typo in comment.
9535 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9536 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9538 * ggc.h: Include varray.h.
9539 (ggc_pending_trees): Declare.
9540 (ggc_mark_tree_children): Remove declaration.
9541 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9542 * ggc-common.c (ggc_pending_trees): New variable.
9543 (ggc_mark_roots): Call ggc_mark_trees.
9544 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9545 the ggc_pending_trees.
9546 * Makefile.in (GGC_H): New variable. Use it throughout in place
9549 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9551 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9554 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9556 * sh.c (sh_insn_length_adjustment): New function.
9557 * sh-protos.h (sh_insn_length_adjustment): Declare.
9558 * sh.h (ADJUST_INSN_LENGTH): Use it.
9560 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9562 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9563 from the insn where REG_RETVAL is added.
9564 (emit_no_conflict_block): Ditto.
9566 * md.texi (Standard Names): Clarify when movX is needed.
9568 * combine.c (simplify_comparison) [MINUS]: Do not replace
9569 all (op (minus A B) 0) with (op A B).
9571 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9572 J"orn Rennecke <amylaar@cygnus.co.uk>
9574 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9575 (block_lump_real): Likewise.
9577 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9579 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9580 remaining non-zero debugging masks.
9582 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9584 * basic-block.h (verify_flow_info): Declare.
9585 (flow_loop_outside_edge_p): Declare.
9586 * flow.c (verify_flow_info): Remove declaration.
9587 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9589 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9591 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9594 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9596 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9597 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9598 seqdi_zero_trunc+1): Allow splits only if registers are
9601 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9603 * acconfig.h: Add HAVE_GAS_HIDDEN.
9604 * config.in: Regenerated.
9605 * configure.in: Add test for .hidden pseudo-op in gas.
9606 * configure: Regenerated.
9607 * crtstuff.c: Include auto-host.h.
9608 Emit additional .hidden pseudo-op for __dso_handle if the
9609 assembler knows about it.
9611 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9613 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9614 before freeing argnames.
9615 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9617 2000-04-05 Michael Meissner <meissner@redhat.com>
9619 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9620 Walton <jonboy@gordian.com> to make memory references with update
9621 work wtih -mregnames.
9623 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9625 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9626 (regrename_optimize): Rename variables `def_uses' and
9627 `ext_basic_blocks' to avoid conflicts with similarly named
9628 typedefs in traditional C.
9630 * calls.c (initialize_argument_information): Fix typo in previous
9633 2000-04-04 Richard Henderson <rth@cygnus.com>
9635 * regrename.c (consider_available): Test fixed_regs not
9636 PIC_OFFSET_TABLE_REGNUM.
9638 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9640 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9642 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9643 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9644 (ENDFILE_LINUX_SPEC): Always use crtend.
9645 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9646 (powerpc-*-linux-gnu): Likewise.
9647 * configure: Regenerate.
9649 * config/rs6000/eabi.h: Don't include sysv4.h.
9650 (MULTILIB_DEFAULTS): Don't define.
9651 * config/rs6000/eabiaix.h: Don't include eabi.h.
9652 * config/rs6000/eabile.h: Delete.
9653 * config/rs6000/eabilesim.h: Delete.
9654 * config/rs6000/eabisim.h: Don't include eabi.h.
9655 * config/rs6000/linux.h: Don't include sysv4.h.
9656 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9657 (MULTILIB_DEFAULTS): Don't redefine.
9658 * config/rs6000/rtems.h: Don't include eabi.h.
9659 * config/rs6000/sol2.h: Don't include sysv4le.h.
9660 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9661 * config/rs6000/t-ppc: Delete.
9662 * config/rs6000/t-ppcgas: Correct comment.
9663 * config/rs6000/t-ppcos: Correct comment. Don't build
9664 multilibs for -fPIC, rather use -fPIC -mstrict-align
9666 * config/rs6000/t-ppc: Delete.
9667 * config/rs6000/vxppc.h: Don't include sysv4.h.
9668 * config/rs6000/vxppcle.h: Delete.
9669 * configure.in: Use multiple header files for p2pc ELF targets
9670 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9671 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9672 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9673 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9674 always available for these platforms.
9676 2000-04-04 Richard Henderson <rth@cygnus.com>
9678 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9680 2000-04-04 Stan Cox <scox@cygnus.com>
9682 * Makefile.in: Add rules for regrename.o
9683 * regrename.c: New file.
9684 * rtl.h (regrename_optimize): Add prototype.
9685 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9686 (compile_file, decode_d_option): Add support for -frename-registers.
9687 (rest_of_compilation): Call regrename_optimize.
9688 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9691 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9693 * Makefile (gccbug): New target.
9694 (doc): Depend on it.
9695 * gcc.texi (Bugs): Link subnodes.
9697 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9698 Document severities, priorities, and classes in bug form.
9700 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9702 * cpplex.c (trigraph_map, speccase): Combine into single
9704 (NORMAL, NONTRI): New macros.
9705 (_cpp_read_and_prescan): Change to use unified table. Use
9706 is_hspace to test for whitespace.
9708 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9709 definition that doesn't provoke the "empty body in an
9710 if-statement" warning.
9712 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9714 * builtins.c (expand_builtin_strlen): Force the source to
9715 be a memory address.
9717 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9719 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9721 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9723 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9724 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9725 (ECF_IS_CONST): Rename to ECF_CONST.
9726 (special_function_p): Make static, change interface.
9727 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9728 (expand_call) ... here; convert number of variables to flags.
9729 (emit_library_call_vlue_1): Likewise.
9730 (setjmp_call_p): New function.
9731 (initialize_argument_information): Accepts flags as argument;
9733 (precompute_arguments): Likewise.
9734 * tree.h (special_function_p): Remove.
9735 (setjmp_call_p): Add prototype.
9737 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9739 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9740 so that addresses are offsetable by up to 16 bytes.
9741 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9742 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9745 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9746 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9747 (movsf): Don't force any constant to memory if target is integer
9749 Move fp_zero_operand check below the const0_rtx check.
9750 (movtf): Likewise. Also allow fp_zero_operand for stores into
9752 (movdf): Likewise. Also allow fp_zero_operand for stores into
9753 memory and into integer hard registers.
9754 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9755 movdf_const_intreg_sp64): Remove.
9756 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9758 (movdf_no_e_insn_v9_sp32): New pattern.
9759 (movdf_insn_v9only): Remove.
9760 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9761 (movdf_insn_sp64): Remove.
9762 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9763 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9764 (following splits): Rewrite conditions. Add two new splits
9765 for storing 0.0 into memory and registers.
9766 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9767 (movtf_insn_sp32): Redo constraints and conditions.
9768 (movtf_insn_vis_sp32): New pattern.
9769 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9770 (movtf_insn_hq_sp64): Likewise.
9771 (movtf_insn_hq_vis_sp64): New pattern.
9772 (movtf_insn_sp64): Redo constraints and conditions.
9773 (movtf_insn_vis_sp64): New pattern.
9774 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9775 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9777 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9778 -mvis or -m64 to take down the number of various reload patterns.
9780 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9782 * pa/pa-64.h: New file.
9783 * pa/pa64-regs.h: New file.
9784 * pa/pa64-start.h: New file.
9785 * pa/t-pa64: New file.
9786 * pa/xm-pa64hpux.h: New file.
9788 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9790 * sparc.c (output_restore_regs): Prototype.
9791 (sparc_emit_float_lib_cmp): Constification.
9793 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9795 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9798 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9799 (get_value_hash, hash_rtx): Likewise.
9801 * ssa.c (compute_conservative_reg_partition): Prototype.
9803 * tree.c (mark_hash_entry): Prototype.
9805 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9807 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9808 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9809 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9811 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9812 * objc/lang-specs.h: Likewise.
9814 2000-04-03 Neil Booth <NeilB@earthling.net>
9816 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9817 and SYNTAX_ERROR2. Replace `' in messages with ''.
9818 (op_to_str): Make re-entrant.
9819 (_cpp_parse_expr): Implement new error macros. Use | rather
9820 than || to logically or 2 boolean integers. Simply expression
9821 checking we have a left operand iff needed.
9823 2000-04-03 Nick Clifton <nickc@cygnus.com>
9825 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9827 2000-04-03 Philip Blundell <philb@gnu.org>
9829 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9831 2000-04-03 Felix Lee <flee@cygnus.com>
9833 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9834 (run_shell): Use it.
9836 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9838 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9839 (stmp-fixproto): ...rather than here.
9841 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9843 * pa.c (print_operand): Compute 'base' only inside the code paths
9846 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9848 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9851 2000-04-03 Philipp Thomas <pthomas@suse.de>
9853 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9855 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9857 * Makefile.in (alias.o): Depend on $(TREE_H).
9859 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9861 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9863 * cpplib.c (_cpp_handle_directive): Improve warnings for
9864 traditional C and indented directives.
9866 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9867 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9868 fixinc/inclhack.def: Indent the # of #include_next one space.
9869 * cp/rtti.c: Un-indent #if and #endif.
9871 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9872 syntax error, but an error has already been printed.
9873 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9874 message when called with nothing remaining on the line.
9875 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9876 OTHER token, not an ASSERTION.
9877 * cpplib.c (do_assert): When we create a 'base' node, clear
9878 its aschain pointer.
9880 2000-04-02 Neil Booth <NeilB@earthling.net>
9882 * cppexp.c: New typedef op_t. struct operation and struct
9883 token updated to use it.
9884 (op_to_str): New function.
9885 (_cpp_parse_expr): Error messages modified to use op_to_str.
9887 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9889 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9890 before checking MUST_PASS_IN_STACK.
9892 2000-04-02 Neil Booth <NeilB@earthling.net>
9894 * cppexp.c: New FINISHED dummy token. Combine operator initial
9895 flags and initial priority into a single constant. New
9896 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9897 (_parse_cpp_expr): Implement new constants. Take left operand
9898 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9899 parse indicated by reducing FINISHED token. Remove new lines
9900 from cpp_error messages.
9902 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9904 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9907 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9909 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9910 directive. Add origin values to DIRECTIVE_TABLE. Generate
9911 the strings and function names on the fly. Take the #sccs
9912 entry out of the table if SCCS_DIRECTIVE is not defined.
9913 (_cpp_handle_directive): Decide if the # was at the beginning
9914 of the line here. Issue -pedantic warnings for extended
9915 directives here. Warn about K+R directives with the #
9916 indented, and C89/extended directives with the # not indented,
9918 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9919 do_assert, do_unassert): Don't issue pedantic warning here.
9921 * cpphash.h: Add CPP_WTRADITIONAL macro.
9922 * cpplib.h (struct cpp_options): Rename warn_stringify to
9923 warn_traditional; update comments.
9924 * cppinit.c (handle_option): Set warn_traditional not
9926 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9927 CPP_WTRADITIONAL (pfile).
9928 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9929 be ignored in -traditional mode here.
9931 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9932 to initialize speccase[] and trigraph_map[]. Delete all
9933 references to pfile->input_speccase. Always treat '?' as a
9934 special character. Remove table-initialization code from
9935 _cpp_init_input_buffer.
9937 * cpplib.h (struct cpp_reader): Remove input_speccase field.
9938 * cppinit.c (cpp_cleanup): Don't free input_speccase.
9940 2000-04-01 Richard Henderson <rth@cygnus.com>
9942 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
9943 (mostlyclean): Likewise.
9945 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
9946 (struct dump_file_info, enum dump_file_index, dump_file): New.
9947 (open_dump_file): Take a dump_file_index not a suffix, and a decl
9948 not a string. Clean out file if we havn't yet done so. Do nothing
9949 if the dump isn't enabled.
9950 (close_dump_file): Do nothing if the dump isn't open. Dump
9951 graph data if requested.
9952 (dump_rtl, clean_dump_file): Remove.
9953 (compile_file): Don't clean the dump files. Only finalize .bp dump
9954 if flag_test_coverage or flag_branch_probabilities. Only finalize
9955 .combine dump if optimizing. Iterate over dump_file to finalize the
9957 (rest_of_compilation): Update for open_dump_file/close_dump_file.
9958 Convert all uses of dump_rtl.
9959 (decode_d_option): Iterate over dump_file to implement 'a' and to
9960 locate pass-specific dumps.
9962 2000-04-01 Neil Booth <NeilB@earthling.net>
9964 * cppexp.c: Redefine priority constants.
9965 (_cpp_parse_expr): Replace left and right priority scheme with
9966 single priority logic. Move LOGICAL to same place as COMPARE.
9967 Remove bogus check for multiple unary +/- operators.
9969 2000-04-01 Neil Booth <NeilB@earthling.net>
9971 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
9972 within the switch statement. Binary operations break out of
9973 the switch naturally. '(' tokens handled by forcing
9974 immediate shift. ')' handled by forcing immediate reduce to
9975 the previous '('. New error messages.
9977 2000-03-31 Geoff Keating <geoffk@cygnus.com>
9979 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
9980 part', it's already in use. Use %K instead. Add a return at the
9981 end of what is now %K.
9982 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
9984 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
9986 * builtins.c (expand_builtin_apply): Pass proper parameters to
9987 allocate_dynamic_stack_space.
9988 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
9989 update stack_pointer_delta; do not update arg_size_so_far.
9990 (compute_argument_block_size): Use stack_delta instead of
9991 stack_pointer_pending and arg_size_so_far.
9992 (expand_call): Add sanity checking for stack_pointer_delta;
9993 save and restore stack_pointer_delta for SIB, use
9994 stack_pointer_delta for alignment; do not update arg_space_so_far.
9995 (emit_library_call_value): Use stack_pointer_delta for alignment.
9996 (store_one_arg): Do not update arg_space_so_far.
9997 * explow.c (adjust_stack, anti_adjust_stack): Update
9998 stack_pointer_delta.
9999 (allocate_dynamic_stack_space): Add sanity checking for
10000 stack_pointer_delta.
10001 * expr.c (init_expr, clear_pending_stack_adjust): Clear
10002 stack_pointer_delta.
10003 (emit_push_insn): Update stack_pointer_delta.
10004 * function.h (struct expr_status): Add x_stack_pointer_delta;
10005 remove x_arg_space_so_far.
10006 (arg_space_so_far): Remove.
10007 (stack_pointer_delta): New macro.
10009 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
10011 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
10012 Reorder struct cpp_options and struct cpp_reader for better
10013 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
10014 takes two args. Change all 'char' flags to 'unsigned char'.
10015 Move show_column flag into struct cpp_options. Don't
10016 prototype cpp_options_init.
10017 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
10018 cppinit.c, cpplex.c, cpplib.c:
10019 Replace CPP_OPTIONS (pfile)->whatever with
10020 CPP_OPTION (pfile, whatever), and likewise for
10021 opts = CPP_OPTIONS (pfile); ... opts->whatever;
10023 * cppinit.c (merge_include_chains): Take a cpp_reader *.
10024 Extract CPP_OPTION (pfile, pending) and work with that
10026 (cpp_options_init): Delete.
10027 (cpp_reader_init): Turn on on-by-default options here.
10028 Allocate the pending structure here.
10029 (cl_options, enum opt_code): Define these from the same table,
10030 kept in a large macro. Add -fshow-column and -fno-show-column
10033 * cpperror.c (v_message): If show_column is off, don't print
10036 * cppmain.c: Update for new interface.
10037 * fix-header.c: Likewise.
10039 2000-03-30 Geoff Keating <geoffk@cygnus.com>
10041 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
10043 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
10044 are passed to any invocation of AR_FOR_TARGET.
10045 (AR_CREATE_FOR_TARGET): New macro.
10046 (AR_EXTRACT_FOR_TARGET): New macro.
10047 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
10048 AR_EXTRACT_FOR_TARGET.
10049 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
10050 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
10051 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
10052 AR_EXTRACT_FOR_TARGET to sub-makes.
10054 2000-03-31 Neil Booth <NeilB@earthling.net>
10056 * cppexp.c: Delete SKIP_OPERAND. Correct priority
10058 (_cpp_parse_expr): Check for multiple unary +/- operators.
10059 Correct priorities of ':' and '?'. Treat ')' as having a
10060 value. Ensure conditional expression is not void.
10062 2000-03-31 Mark Mitchell <mark@codesourcery.com>
10064 * alias.c (canon_rtx): Make it global.
10065 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
10067 * cse.c (struct table_elt): Add canon_exp.
10068 (insert): Clear it.
10069 (invalidate): Canonicalize expressions only once.
10070 * rtl.h (canon_rtx): Declare.
10072 2000-03-30 Mark Mitchell <mark@codesourcery.com>
10074 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
10075 * alias.c (reg_known_value): Add comments.
10076 (init_alias_analysis): Likewise.
10077 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
10079 (cse_basic_block): Fix typo in comment.
10080 * emit-rtl.c: Include hashtab.h.
10081 (const_int_htab): New variable.
10082 (const_int_htab_hash): New function.
10083 (const_int_htab_eq): Likewise.
10084 (rtx_htab_mark_1): Likewise.
10085 (rtx_htab_mark): Likewise.
10086 (gen_rtx_CONST_INT): Cache all CONST_INTs.
10087 (unshare_all_rtx): Fix formatting.
10088 (init_emit_once): Initialize const_int_htab.
10089 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
10091 * rtl.texi: Document the fact that all CONST_INTs with the same
10094 2000-03-30 Richard Henderson <rth@cygnus.com>
10096 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
10098 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
10100 * configure.in: Comment out --enable-c-cpplib stanza.
10101 * configure: Regenerate.
10103 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10105 * expr.c (store_constructor): Properly compute displacement and
10106 alignment when offset is variable.
10108 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
10109 cases of alignment in bytes.
10111 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
10113 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
10114 since it is used to generate c-parse.y.
10115 * objc-parse.c, objc-parse.y: Regenerated.
10117 * function.c (expand_function_end): Pass alignment argument to
10118 emit_block_move in bits, not bytes.
10120 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10122 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10125 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10127 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10128 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10129 * function.c (assign_parms): Likewise.
10130 * integrate.c (expand_inline_function): Likewise.
10131 * stmt.c (expand_decl): Likewise.
10132 (copy_rtx_and_substitute): Likewise.
10133 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10134 (clear_by_pieces): Fix error in last change.
10135 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10136 * function.h (regno_pointer_align): Now unsigned.
10137 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10139 * config/i386/i386.c (aligned_operand): Likewise.
10140 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10141 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10142 (unaligned_memory_operand): Likewise.
10143 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10144 Also make alignments and sizes unsigned and some whitespace cleanup.
10145 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10147 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10148 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10149 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10150 (expand_builtin_memset): Likewise, but to clear_storage.
10151 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10152 (restore_fixed_argument_area): Likewise.
10153 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10154 (load_register_parameters): Likewise, to emit_group_load.
10155 (expand_call): Likewise, to emit_group_store and emit_block_move.
10156 (emit_library_call_value_1): Likewise, to emit_block_move.
10157 (store_one_arg): Likewise, and to emit_push_insn.
10158 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10159 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10160 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10161 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10162 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10163 (expand_assigment, store_expr, store_constructor_field): Likewise.
10164 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10165 (store_constructor, store_field, get_inner_reference): Likewise.
10166 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10167 (expand_expr, case COMPONENT_REF): Likewise.
10168 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10169 and positions; reindent code.
10170 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10171 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10172 (assign_parms): Likewise to emit_group_store.
10173 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10174 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10175 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10176 (expand_return): Likewise to {extract,store}_bit_field.
10177 * stor-layout.c (get_mode_alignment): Minor cleanup.
10178 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10179 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10181 2000-03-29 Nick Clifton <nickc@cygnus.com>
10183 * config/arm/arm.h: Undo effects of previous delta:
10184 (ASM_SPEC): Do not define.
10185 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10187 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10190 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10192 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10193 only after reading in the primary source file.
10195 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10197 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10198 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10199 or a reference to a va_list.
10200 * builtins.c (stabilize_va_list): Simplify now we don't have to
10201 work around C array address decay.
10202 * c-typeck.c (convert_for_assignment): Handle assignment to
10203 a reference parameter by taking the address of the RHS.
10204 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10205 (va_copy): Likewise.
10206 (__va_copy): Likewise.
10207 * ginclude/varargs.h (va_start): Likewise.
10208 (__va_copy): Likewise.
10210 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10212 * i386/djgpp.h: Remove extraneous "+".
10214 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10216 * calls.c (expand_call): Fix typo in last change.
10218 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10220 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10223 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10225 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10226 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10227 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10228 * tree.c (bit_position, byte_position): Likewise.
10229 * tree.h: Declare new functions.
10231 2000-03-29 Nick Clifton <nickc@cygnus.com>
10233 * config/arm/arm.c: Minor formatting changes/
10234 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10236 (ASM_SPEC): Define if not already defined.
10238 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10240 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10243 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10245 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10246 value, don't output it as unsigned.
10248 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10250 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10252 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10254 * c-common.c (c_common_nodes_and_builtins): Don't special case
10255 cplus_mode when declaring builtin bzero/bcmp, always avoid
10256 prototype arguments.
10258 2000-03-29 Bruce Korb <bkorb@gnu.org>
10260 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10263 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10265 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10266 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10267 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10268 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10269 (save_fixed_argument_area, restore_fixed_argument_area):
10270 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10271 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10272 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10273 (precompute_register_parameters): Avoid #ifdefs on
10274 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10275 (stire_one_args): Likewise.
10276 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10277 (emit_library_call_value_1): Likewise.
10278 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10279 ACCUMULATE_OUTGOING_ARGS.
10280 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10282 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10283 (use_crosses_set_p): Likewise.
10284 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10285 #define ACCUMULATE_OUTGOING_ARGS 1.
10286 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10288 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10290 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10291 (TARGET_SWITCHES): Add push-args, no-push-args,
10292 accumulate-outgoing-args and no-accumulate-outgoing-args.
10293 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10294 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10295 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10297 (emit_push_insn): Likewise.
10298 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10299 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10300 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10301 (STACK_DYNAMIC_OFFSET): Define correctly for both
10302 ACCUMULATE_OUTGOING_ARGS and normal mode.
10303 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10304 * tm.texi (PUSH_ARGS): Document.
10305 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10307 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10309 * flags.h (flag_optimize_sibling_calls): Declare.
10310 * calls.c (expand_call): Fail sibcall when
10311 !flag_optimize_sibling_calls
10312 * invoke.texi (flag_optimize_sibling_calls): Document.
10313 * toplev.c (flag_optimize_sibling_calls): New global variable.
10314 (f_options): Add flag_optimize_sibling_calls.
10315 (rest_of_compilation): Conditionize
10316 optimize_sibling_and_tail_recursive_calls by
10317 flag_optimize_sibling_calls.
10318 (main): Set flag_optimize_sibling_calls for -O2.
10319 * stmt.c (expand_return): Conditionize tail recursion by
10320 flag_optimize_sibling_calls.
10322 2000-03-29 Richard Henderson <rth@cygnus.com>
10324 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10325 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10327 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10329 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10331 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10333 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10335 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10336 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10337 * config/rs6000/aix.h: then modified likewise.
10339 2000-03-28 Richard Henderson <rth@cygnus.com>
10341 * rtl.h: Redistribute enum reg_note documentation.
10342 Kill trailing whitespace.
10343 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10344 Kill trailing whitespace.
10346 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10348 * cppfiles.c (hash_IHASH): Just return i->hash.
10349 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10350 htab_find_with_hash.
10351 (cpp_read_file): Likewise.
10352 (find_include_file): Likewise. Properly initialize
10353 ih->nshort. Share ih->name and ih->nshort if possible.
10354 * cpphash.c (_cpp_calc_hash): New function.
10355 (hash_HASHNODE): Just return h->hash.
10356 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10357 htab_find_with_hash.
10358 * cpphash.h: Prototype _cpp_calc_hash.
10359 * cppinit.c (initialize_builtins): Provide a valid hash
10360 to _cpp_make_hashnode, using _cpp_calc_hash.
10362 * cpphash.c (collect_expansion): # is not a special character
10363 in object-like macros. In -traditional mode, /**/ is not
10364 token paste at the beginning or end of the line.
10365 * cpplib.c (do_include, do_import, do_include_next): If
10366 parse_include fails, return immediately.
10368 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10370 * config/arm/arm.md (return peepholes): Update to reflect the new
10371 call insn patterns.
10372 * config/arm/arm.c (arm_volatile_func): Also check
10373 current_function_nothrow.
10374 (output_return_instruction, output_func_prologue): Use it.
10375 (arm_output_epilogue, arm_expand_prologue): Likewise.
10377 2000-03-27 Tom Tromey <tromey@cygnus.com>
10379 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10382 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10384 * expr.c (store_constructor): SIZE now signed.
10385 For EXPR_SIZE, don't evaluate size; just needed if constant.
10386 * fold-const.c (fold): Fix a number of cases when folded tree is
10388 * function.c (flush_addressof): Reenable.
10389 * tree.h (flush_addressof): Likewise.
10390 * toplev.c (independent_decode_option): Look at strings_processed.
10391 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10393 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10395 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10396 Allow stack adjustment after function call.
10398 * regmove.c (struct csa_memlist): Make mem field rtx *.
10399 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10400 (try_apply_stack_adjustment): Replace whole MEM rtx.
10401 (combine_stack_adjustments_for_block): Update calls
10402 to record_one_stack_ref.
10404 2000-03-28 Neil Booth <NeilB@earthling.net>
10406 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10407 '\\' rather than a null character, so nulls are not special. Fix
10408 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10409 speed trigraph conversion.
10410 (_cpp_init_input_buffer): Initialize trigraph map.
10412 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10414 * config/i386/i386.c (output_387_binary_op): Correct intel
10415 mode assembly output, and add spaces after commas in AT&T
10416 output. Correct Unixware assembler comment. Document input
10417 constraints. Comment fp operations. Reduce profligate buffer
10418 size. Remove extraneous abort. Localize temp var.
10419 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10420 (output_fix_trunc): Add spaces after commas in assembly output.
10422 2000-03-27 Richard Henderson <rth@cygnus.com>
10424 * i386-protos.h (ix86_match_ccmode): Declare.
10425 * i386.c (ix86_match_ccmode): New.
10426 (ix86_expand_fp_compare): Update for pattern renames.
10427 (ix86_expand_strlensi_unroll_1): Likewise.
10428 * i386.h (EXTRA_CC_MODES): Add CCZ.
10429 (SELECT_CC_MODE): Use it for EQ/NE zero.
10430 * i386.md (cmpsi_ccz_1): New.
10431 (cmpqi_ccz_1): New.
10432 (*testsi_ccz_1): New.
10433 (testqi_ccz_1): New.
10434 (cmpsi_ccno_1): Rename from cmpsi_0.
10435 (testsi_ccno_1): Rename from testsi_1.
10436 (testqi_ccno_1): Rename from testqi_1.
10437 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10438 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10439 (*cmphi_0): Use ix86_match_ccmode.
10440 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10441 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10442 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10443 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10444 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10445 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10446 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10447 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10448 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10449 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10450 (appropriate peepholes): Likewise.
10451 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10452 (*subsi_3, *subhi_3, *subqi_3): Remove.
10453 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10454 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10455 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10456 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10457 (x86_shift_adj_1): Use CCZ.
10458 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10460 2000-03-27 Stan Cox <scox@cygnus.com>
10462 * resource.h (mark_resource_type): New.
10463 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10464 find_free_register): Use mark_resource_type.
10465 (mark_set_resources): Change include_delayed_effects
10466 to mark_resource_type.
10467 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10468 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10469 Use mark_resource_type.
10471 2000-03-27 Richard Henderson <rth@cygnus.com>
10473 * i386.md (call_pop_0, call_value_pop_0): New.
10474 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10475 (call_value_pop_1): Likewise.
10476 (call_0, call_value_0): New.
10477 (call_1, call_value_1): Remove constraint from unused arg.
10479 2000-03-27 Nick Clifton <nickc@cygnus.com>
10481 * invoke.texi (Spec Files): Document new spec % command created by
10482 Tom Tromey's recent patch.
10484 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10486 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10489 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10491 * expr.c (expand_assignment): Fix typo in last change.
10493 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10495 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10497 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10498 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10499 and DECL_INLINE if FUNCTION_DECL.
10500 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10501 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10502 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10503 (combine_parm_decls): Likewise.
10504 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10505 * print-tree.c (print_node): Likewise.
10506 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10507 DECL_TRANSPARENT_UNION on proper decl types.
10508 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10509 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10510 DECL_BIT_FIELD of FIELD_DECL.
10511 * tree.h (DECL_RESULT_FLD): New macro.
10513 * expr.c (expand_assignment): Add code to handle variable-sized
10516 2000-03-26 Richard Henderson <rth@cygnus.com>
10518 * calls.c (expand_call): Pass parms not original exp to
10519 optimize_tail_recursion. Mind return value instead of looking
10521 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10522 call_expr. Move checks for call_expr and current_function_decl ...
10523 (expand_return): ... here.
10525 2000-03-26 Tom Tromey <tromey@cygnus.com>
10527 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10528 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10530 (process_command): Use them.
10531 (check_live_switch): Likewise.
10532 (give_switch): Skip ignored switches.
10534 2000-03-26 Jan Hubicka <jh@suse.cz>
10536 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10537 for minimal jump pass test.
10539 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10541 * integrate.c (function_cannot_inline_p): Do inline functions that
10544 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10546 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10547 now a list of TREE_LIST entries, not types.
10548 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10550 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10551 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10553 * config/mips/mips.c (function_arg): Likewise; also remove cast
10554 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10555 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10556 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10557 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10558 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10559 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10560 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10561 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10562 num_adjusts now unsigned.
10563 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10564 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10565 NREGS now unsigned.
10566 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10567 as is BITPOS variable; use host_integerp and int_bit_position.
10568 (function_arg_record_value_2): Likewise.
10569 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10570 Variable REGNO now unsigned.
10571 (function_arg_record_value): NREGS now unsigned.
10573 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10575 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10577 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10579 * Rework fields used to describe positions of bitfields and
10580 modify sizes to be unsigned and use HOST_WIDE_INT.
10581 * alias.c (reg_known_value_size): Now unsigned.
10582 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10583 (really_start_incremental_init): Use bitsize_zero_node.
10584 (push_init_level, pop_init_level, output_init_element): Likewise.
10585 Use bitsize_unit_node and bitsize_one_node.
10586 (output_pending_init_elements, process_init_element): Likewise.
10587 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10588 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10589 HOST_WIDE_INT, respectively.
10590 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10591 (num_sign_bit_copies): Returns unsigned.
10592 BITWIDTH now unsigned; rework arithmetic.
10593 Remove recursive call from arg to MAX.
10594 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10595 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10596 REGNO now unsigned.
10597 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10598 (find_split_point, expand_compound_operation, make_extraction): LEN
10599 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10600 (make_field_assignment): Likewise.
10601 (combine_simplify_rtx): Add cast.
10602 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10603 (force_to_mode): WIDTH now unsigned; add cast.
10604 (if_then_else_cond): SIZE now unsigned.
10605 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10606 (extended_count): Now returns unsigned.
10607 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10608 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10609 (simplify_comparison): MODE_WIDTH now unsigned.
10610 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10611 (mark_used_regs_combine): Likewise; rework arithmetic.
10612 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10613 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10614 (record_promoted_value): REGNO now unsigned.
10615 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10616 (get_last_value): REGNO now unsigned.
10617 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10618 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10619 (remove_death): Arg REGNO now unsigned.
10620 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10621 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10623 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10624 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10625 (struct cse_reg_info): REGNO now unsigned.
10626 (cached_regno): Now unsigned.
10627 (REGNO_QTY_VALID_P): Add cast.
10628 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10629 (remove_invalid_regs): Likewise.
10630 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10631 as are variables END and I.
10632 (get_cse_reg_info, insert): Likewise.
10633 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10634 (canon_hash): Likewise.
10635 (insert_regs, lookup_for_remove): REGNO now unsigned.
10636 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10638 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10639 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10640 * emit-rtl.c (subreg_realpart_p): Add cast.
10641 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10642 (operand_subword_force): Arg I is now unsigned.
10643 * except.c (eh_regs): Variable I is now unsigned.
10644 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10645 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10646 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10647 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10648 (extract_split_bit_field, store_bit_field, extract_bit_field):
10650 * expr.c (store_constructor_fields, store_constructor, store_field):
10651 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10652 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10653 (do_jump): Likewise.
10654 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10655 MAX_SIZE is now unsigned.
10656 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10657 (emit_group_store): Likewise.
10658 (emit_move_insn): I now unsigned.
10659 (store_constructor): Use host_integerp, tree_low_cst, and
10661 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10662 Rework all calculations to use trees and new fields.
10663 * expr.h (promoted_input_arg): Regno now unsigned.
10664 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10665 (mark_seen_cases): Arg is HOST_WIDE_INT.
10666 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10667 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10668 precisions and alignments are unsigned.
10669 (optimize_bit_field_compare, fold_truthop): Likewise.
10670 (int_const_binop): Adjust threshold for size_int_type_wide call.
10671 (fold_convert): Likewise.
10672 (size_int_type_wide): Make table larger and fix thinko that only
10673 had half of table used.
10674 (all_ones_mask_p, fold): Precisions are unsigned.
10675 * function.c (put_reg_info_stack): REGNO is unsigned.
10676 (instantiate_decl): Size is HOST_WIDE_INT.
10677 (instantiate_virtual_regs): I is unsigned.
10678 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10679 (promoted_input_arg): REGNO is unsigned.
10680 * function.h (struct function): x_max_parm_reg is now unsigned.
10681 * gcse.c (max_gcse_regno): Now unsigned.
10682 (struct null_pointer_info): min_reg and max_reg now unsigned.
10683 (lookup_set, next_set): REGNO arg now unsigned.
10684 (compute_hash_table): REGNO and I now unsigned.
10685 (handle_avail_expr): regnum_for_replacing now unsigned.
10686 (cprop_insn): REGNO now unsigned.
10687 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10688 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10689 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10690 * hard-reg-set.h (reg_class_size): Now unsigned.
10691 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10692 * jump.c (mark_modified_reg): I now unsigned; add cast.
10693 (rtx_equal_for_thread_p): Add cast.
10694 * loop.c (max_reg_before_loop): Now unsigned.
10695 (struct_movable): REGNO now unsigned.
10696 (try_copy_prop): REGNO arg unsigned.
10697 (regs_match_p): XN and YN now unsigned.
10698 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10699 (strength_reduce): Likewise; NREGS also unsigned.
10700 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10701 * loop.h (struct iv_class): REGNO now unsigned.
10702 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10704 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10705 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10706 * optabs.c (expand_binop): I and NWORDS now unsigned.
10707 (expand_unop): I now unsigned.
10708 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10709 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10710 * real.c (significand_size): Now returns unsigned.
10711 * real.h (significand_size): Likewise.
10712 * regclass.c (reg_class_size): Now unsigned.
10713 (choose_hard_reg_mode): Both operands now unsigned.
10714 (record_reg_classes): REGNO and NR now unsigned.
10715 (reg_scan): NREGS now unsigned.
10716 (reg_scan_update): old_max_regno now unsigned.
10717 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10718 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10719 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10720 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10721 Likewise for variable R.
10722 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10723 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10724 (find_equiv_reg): Add casts.
10725 (regno_clobbered_p): Arg REGNO now unsigned.
10726 * reload.h (struct reload): NREGS now unsigned.
10727 (refers_to_regno_for_reload_p): Regno args are unsigned.
10728 (regno_clobbered_p): Likewise.
10729 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10730 (compute_use_by_pseudos): REGNO now unsigned.
10731 (find_reg): I and J now unsigned, new variable K, and change loop
10732 variables accordingly; THIS_NREGS now unsigned.
10733 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10734 (spill_hard_reg): REGNO arg now unsigned; add casts.
10735 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10736 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10737 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10738 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10739 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10740 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10741 (emit_reload_insns): REGNO now unsigned.
10742 (reload_cse_move2add): Add cast.
10743 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10745 * resource.c (mark_referenced_resources, mark_set_resources): New
10746 variable R; REGNO and LAST_REGNO now unsigned.
10747 (mark_target_live_regs): J and REGNO now unsigned.
10748 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10749 * rtl.h (union rtunion_def): New field rtuint.
10750 (XCUINT): New macro.
10751 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10752 (operand_subword, operand_subword_force): Word number is unsigned.
10753 (choose_hard_reg_mode): Operands are unsigned.
10754 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10755 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10756 (regno_use_in, combine_instructions, remove_death): Likewise.
10757 (reg_scan, reg_scan_update): Likewise.
10758 (extended_count): Return is unsigned.
10759 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10760 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10761 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10762 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10763 (reg_reg_last_1): FIRS and LAST now unsigned.
10764 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10765 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10767 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10768 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10769 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10770 (replace_regs): Arg NREGS now unsigned.
10771 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10772 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10773 (simplify_binary_operation): Likewise.
10774 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10775 THIS_LAST now unsigned.
10776 (cselib_record_set): Add cast.
10777 * ssa.c (ssa_max_reg_num): Now unsigned.
10778 (rename_block): REGNO now unsigned.
10779 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10780 sizes now unsigned.
10781 (all_cases_count): Just return -1 not -2.
10782 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10783 Rework tests to use trees whenever possible.
10784 Use host_integerp and tree_low_cst.
10785 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10786 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10787 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10788 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10789 (smallest_mode_for_size): Likewise.
10790 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10791 KNOWN_ALIGN is now an alignment, so simplify code.
10792 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10793 (start_record_layout): Renamed from new_record_layout_info.
10794 Update to new fields.
10795 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10797 (place_union_field): Renamed from layout_union_field.
10798 Update to use new fields in rli.
10799 (place_field): Renamed from layout_field.
10800 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10801 (finalize_record_size): Rework to use new fields in rli and handle
10803 (compute_record_mode): Rework to simplify and to use new DECL fields.
10804 (finalize_type_size): Make rounding more consistent.
10805 (finish_union_layout): Deleted.
10806 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10807 (layout_type, case RECORD_TYPE): Call new function names.
10808 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10809 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10810 (get_best_mode): UNIT is now unsigned; remove casts.
10811 * tree.c (bit_position): Compute from new fields.
10812 (byte_position, int_byte_position): New functions.
10813 (print_type_hash_statistics): Cast to remove warning.
10814 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10815 (build_index_type): Likewise; make subtype of sizetype.
10816 (build_index_2_type): Pass sizetype to build_range_type.
10817 (build_common_tree_nodes): Use size_int and bitsize_int to
10818 initialize nodes; add bitsize_{zero,one,unit}_node.
10819 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10820 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10821 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10822 (DECL_FIELD_BITPOS): Deleted.
10823 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10824 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10825 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10826 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10827 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10828 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10829 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10830 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10831 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10832 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10833 (DECL_ALIGN): Adjust to new field in union.
10834 (DECL_OFFSET_ALIGN): New field.
10835 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10836 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10837 (union tree_decl): Add struct for both aligns.
10838 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10839 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10840 (struct record_layout_info): Rework fields to have offset
10841 alignment and byte and bit position.
10842 (start_record_layout, place_field): Renamed from old names.
10843 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10844 (byte_position, int_byte_position): Likewise.
10845 (get_inner_reference): Change types of position and length.
10846 * unroll.c (unroll_loop): New variable R; use for some loops.
10847 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10848 (calculate_giv_inc): Arg REGNO now unsigned.
10849 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10850 * varasm.c (assemble_variable): Clean up handling of size using
10851 host_integerp and tree_low_cst.
10852 (decode_addr_const): Use byte, not bit, position.
10853 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10854 use tree_low_cst and int_bit_position.
10855 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10857 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10859 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10860 (reorder_block_def): New members eff_head and eff_end.
10861 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10862 (verify_insn_chain): New function.
10863 (skip_insns_between_block): Add code to skip deleted insns.
10864 Check for note before using.
10865 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10866 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10867 Check for note before using.
10868 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10869 (fixup_reorder_chain): Restructure, clean up, defect removal.
10870 (reorder_basic_blocks): Remove last_insn and references to it.
10871 Moved insn chain verification code into a new function (see above).
10872 Delete defective code that sets last insn.
10873 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10876 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10878 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10880 2000-03-24 Richard Henderson <rth@cygnus.com>
10882 * tree.c (lang_safe_for_unsave): Remove.
10883 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10884 allowing for two levels of unsafeness. Remove lang hook.
10885 * tree.h: Update declarations.
10886 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10887 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10888 Always fail sibcalls when there are pending cleanups.
10890 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10892 * flow.c (propagate_block): When we delete an ADDR_VEC,
10893 also delete the BARRIER following it if there is one.
10895 2000-03-24 Richard Henderson <rth@cygnus.com>
10897 * builtins.c (expand_builtin_bzero): Convert `length' argument
10900 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10902 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10903 comparison if regno's are equal.
10904 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10905 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10906 (expand_call): Update caller.
10907 Avoid making a sibling call if argument size of the callee is larger
10908 than argument size of the caller.
10909 Call hard_function_value with outgoing set if in sibcall pass.
10910 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10912 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10913 Change LEAF_REGISTERS from an array initializer to actual array
10914 identifier. Move static global variable into the function.
10915 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10916 sequences for leaf functions.
10917 * global.c (global_alloc): Likewise.
10918 * tm.texi (LEAF_REGISTERS): Update documentation.
10920 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10921 TARGET_FLAT leaf disabling hack.
10922 (LEAF_REGISTERS): Changed from an array initializer to actual array
10923 identifier to avoid duplication and remove the above hack.
10924 (FUNCTION_OK_FOR_SIBCALL): Define.
10925 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10926 always like call attribute.
10927 (eligible_for_sibcall_delay): New attribute.
10928 (sibcall): New delay type.
10929 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10930 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10931 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10932 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10933 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
10935 (output_function_epilogue): Move part of the code into
10936 output_restore_regs.
10937 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
10939 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
10942 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
10943 until infrastructure is finished.
10945 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
10947 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
10948 (save_parm_insns): Not here.
10950 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10952 * builtins.c (expand_builtin_bzero): New function.
10953 (expand_builtin): Handle bzero.
10955 * builtins.def: Add BUILT_IN_BZERO.
10957 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10958 prototype & function for bzero.
10960 2000-03-23 Michael Meissner <meissner@redhat.com>
10962 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
10963 change adding TARGET_FP to the TF floating point insns, except for
10964 trunctfsf2, which generates direct calls to truncdfsf2.
10966 2000-03-23 Geoff Keating <geoffk@cygnus.com>
10968 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
10969 try to protect against middle-end changes that break binary
10971 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
10973 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10975 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
10977 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10979 * calls.c (expand_call): If TARGET is passed by reference and
10980 is readonly, write a CLOBBER.
10982 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10984 * builtins.c (expand_builtin): Handle bcmp.
10986 * builtins.def: Add BUILT_IN_BCMP.
10988 * c-common.c (c_common_nodes_and_builtins): Provide builtin
10989 prototype & function for bcmp.
10991 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
10993 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
10994 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
10995 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
10997 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
10999 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
11000 alternative when using -fp64 -gp32.
11002 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11004 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
11005 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
11006 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
11008 * frame.h (frame_state): Revert last change.
11009 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
11010 * libgcc2.c (throw_helper): Revert last change.
11012 2000-03-22 Richard Henderson <rth@cygnus.com>
11014 * stmt.c (expand_asm_operands): Don't promote the temporary.
11016 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
11018 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
11019 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
11020 c_get_alias_set): Likewise.
11021 * c-decl.c (duplicate_decls): Likewise.
11022 * c-typeck.c (default_conversion,build_unary_op): Likewise.
11023 * calls.c (initialize_argument_information): Likewise.
11024 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
11026 * dwarfout.c (decl_class_context,output_type): Likewise.
11027 * expr.c (get_inner_reference): Likewise.
11028 * fold-const.c (simple_operand_p,fold): Likewise.
11029 * function.c (aggregate_value_p): Likewise.
11030 * stmt.c (expand_asm_operands): Likewise.
11031 * varasm.c (named_section): Likewise.
11033 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11035 Implement dwarf2 exception handling for the ARM.
11036 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
11037 (DWARF_FRAME_RETURN_COLUMN): Define.
11038 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
11039 REG_FRAME_RELATED_EXPR note.
11040 (emit_sfm): Likewise.
11041 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
11042 * dwarf2out.c (reg_save): Handle saving a register to itself.
11043 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
11044 * except.c (eh_regs): Don't use the static chain reg if it's
11046 * frame.h (frame_state): Add cfa_saved field.
11047 * frame.c (execute_cfa_insn): Set it.
11048 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
11050 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
11052 (instantiate_virtual_regs): Adjust.
11054 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11055 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11056 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
11058 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
11059 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
11061 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11063 * builtins.def: New file.
11065 * Makefile.in (TREE_H): Depend on builtins.def.
11067 * builtins.c (built_in_names): Use builtins.def.
11069 * tree.h (built_in_function): Likewise.
11071 2000-03-22 Mark Mitchell <mark@codesourcery.com>
11073 * tree.c (size_in_bytes): Return size_zero_node, not
11076 2000-03-22 Geoff Keating <geoffk@cygnus.com>
11078 * config/fp-bit.c (pack_d): Correct the case when a denormal
11079 is rounded up and stops being denormal.
11081 2000-03-21 Richard Henderson <rth@cygnus.com>
11083 * config/alpha/alpha.c (function_arg): Check for void_type_node
11084 before using MUST_PASS_IN_STACK.
11086 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
11088 * regmove.c (combine_stack_adjustments_for_block): Check that
11089 the stack pointer is a valid memory address.
11091 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
11093 * calls.c: re-install Mar 16 emit_library_call merge.
11095 2000-03-21 Jakub Jelinek <jakub@redhat.com>
11097 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
11098 we cannot be sure that if reload_completed base register will
11099 be properly aligned.
11101 2000-03-21 Richard Henderson <rth@cygnus.com>
11103 * flow.c (delete_block): Fix typo last change.
11105 2000-03-21 Mark Mitchell <mark@codesourcery.com>
11107 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
11108 not COMPLETE_TYPE_P, to check the type of the expression.
11110 2000-03-21 Michael Meissner <meissner@redhat.com>
11112 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
11113 all floating point insns that just tested the macro
11114 TARGET_HAS_XFLOATING_LIBS.
11115 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
11116 used to only use the gprs.
11118 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11120 * tree.h (COMPLETE_TYPE_P): New macro.
11121 (COMPLETE_OR_VOID_TYPE_P): New macro.
11122 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11123 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11124 * c-aux-info.c (gen_type): Use them.
11125 * c-common.c (c_expand_expr_stmt): Likewise.
11126 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11127 grokdeclarator, grokparms, finish_struct, start_function,
11128 store_parm_decls, combine_parm_decls): Likewise.
11129 * c-parse.y (cast_expr): Likewise.
11130 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11131 c_size_in_bytes, c_alignof, build_component_ref,
11132 build_indirect_ref, build_array_ref, convert_arguments,
11133 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11134 * calls.c (initialize_argument_information): Likewise.
11135 * convert.c (convert_to_integer): Likewise.
11136 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11137 * dwarfout.c (location_or_const_value_attribute,
11138 output_enumeration_type_die, output_structure_type_die,
11139 output_union_type_die, output_type): Likewise.
11140 * expr.c (safe_from_p, expand_expr): Likewise.
11141 * function.c (assign_parms): Likewise.
11142 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11143 * tree.c (build_array_type, build_function_type,
11144 build_method_type, build_offset_type, build_complex_type): Likewise.
11145 * c-parse.c, c-parse.h: Regenerated.
11147 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11149 * config/c4x/rtems.h: Include config/rtems.h.
11151 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11153 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11154 decl is a FUNCTION_DECL
11156 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11158 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11159 function uses output registers. Don't save RP for leaf functions.
11160 Do save RP even if no epilogue.
11161 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11162 (CALL_USED_REGISTERS): Unmark in registers.
11163 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11164 to near the middle.
11166 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11168 * config/rs6000/rs6000.md (bunordered): New expander.
11169 (bordered): New expander.
11170 (buneq): New expander.
11171 (bunge): New expander.
11172 (bungt): New expander.
11173 (bunle): New expander.
11174 (bunlt): New expander.
11175 (bltgt): New expander.
11177 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11178 (ccr_bit_negated_p): New function.
11179 (print_operand): For %C, generate appropriate cror for UNEQ,
11180 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11182 2000-03-20 Andreas Jaeger <aj@suse.de>
11184 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11187 * tree.h (safe_for_unsave): Prototype.
11189 2000-03-20 Richard Henderson <rth@cygnus.com>
11191 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11192 (combine_stack_adjustments_for_block): Don't allow sp references
11193 in the side of a set we're not fixing up.
11194 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11195 after life_analysis.
11197 2000-03-20 Richard Henderson <rth@cygnus.com>
11199 * calls.c (expand_call): Don't bother generating tail call
11200 sequences if there are pending cleanups. Use
11201 expand_start_target_temps/expand_end_target_temps to elide
11202 cleanups created during sibcall expansion.
11204 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11206 * configure.in: Set $IFS to a value if it doesn't already have one
11207 in the --enable-checking handling.
11208 * configure: Regenerate.
11210 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11212 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11213 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11216 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11218 * jump.c (delete_noop_moves): Remove code attempting to
11219 combine stack adjustments.
11221 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11223 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11224 * except.c (emit_cleanup_handler): Use them.
11225 (expand_end_all_catch): Likewise.
11226 * function.c (fixup_var_refs): Likewise.
11227 (expand_function_end): Clear catch_clauses_last.
11228 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11229 * except.h (struct eh_status): New field x_catch_clauses_last.
11230 (catch_clauses_last): New define.
11232 * Makefile.in (tree.o): Depend on HASHTAB_H.
11233 * tree.c: Include hashtab.h.
11234 (struct type_hash): Remove next field.
11235 (TYPE_HASH_SIZE): Remove.
11236 (TYPE_HASH_INITIAL_SIZE): New define.
11237 (type_hash_table): Change type to htab_t.
11238 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11239 mark_hash_entry): New functions.
11240 (init_obstacks): Allocate type hash.
11241 (type_hash_lookup): Use htab functions.
11242 (type_hash_add, mark_type_hash): Likewise.
11243 (dump_tree_statistics): Call print_type_hash_statistics.
11245 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11247 * rs6000/t-aix41: New file.
11249 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11251 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11253 * tm.texi (Driver): Fix typos and tweak entry for
11255 Move misplaced STRUCT_FORCE_BLK entry ...
11256 (Storage Layout): ... to here.
11257 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11259 2000-03-19 Richard Henderson <rth@cygnus.com>
11261 * flow.c (delete_block): Delete the addr_vec along with the block.
11262 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11265 * fold-const.c (extract_muldiv): Apply type check for defined
11266 overflow to multiply as well as divide.
11268 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11270 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11272 * emit-rtl.c (remove_unncessary_notes): Check that all
11273 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11274 associated NOTE_BLOCK.
11275 * function.h (identify_blocks): Update comments.
11276 (reorder_blocks): Declare.
11277 * function.c (identify_blocks): Don't take paramters.
11278 (reorder_blocks): Don't take parameters.
11279 * loop.h (find_loop_tree_blocks): Remove.
11280 (unroll_block_trees): Likewise.
11281 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11282 reorder_blocks instead of unroll_block_trees.h
11283 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11284 * stmt.c (find_loop_tree_blocks): Remove.
11285 (unroll_block_trees): Likewise.
11286 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11287 in whole-function mode.
11288 * tree.h (reorder_blocks): Remove declaration.
11290 * expr.c: Include intl.h.
11291 * Makefile.in (expr.o): Depend on intl.h.
11293 2000-03-18 Richard Henderson <rth@cygnus.com>
11295 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11297 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11299 * tree.h (tree_index): Remove enumerals for integer types.
11300 (integer_type_kind): New type.
11301 (integer_types): New variable.
11302 (char_type_node): Adjust.
11303 (signed_char_type_node): Likewise.
11304 (unsigned_char_type_node): Likewise.
11305 (short_integer_type_node): Likewise.
11306 (short_unsigned_type_node): Likewise.
11307 (integer_type_node): Likewise.
11308 (unsigned_type_node): Likewise.
11309 (long_integer_type_node): Likewise.
11310 (long_unsigned_type_node): Likewise.
11311 (long_long_integer_type_node): Likewise.
11312 (long_long_unsigned_type_node): Likewise.
11313 * tree.c (integer_types): New variable.
11314 (init_obstacks): Register it as a root.
11316 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11318 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11319 NEXT_INSN. Update last insn in chain.
11321 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11323 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11324 with TYPE_DECL_SUPPRESS_DEBUG set.
11326 2000-03-18 Richard Henderson <rth@cygnus.com>
11328 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11330 2000-03-18 Richard Henderson <rth@cygnus.com>
11332 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11333 care for HALF_PIC_P.
11334 (expander_call_insn_operand): Remove.
11335 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11336 * i386.h (PREDICATE_CODES): Update.
11337 * i386.md (all call expanders): Remove predicates, remove special
11338 handling for half-pic.
11339 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11340 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11341 (sibcall_epilogue): New.
11343 2000-03-17 Richard Henderson <rth@cygnus.com>
11345 * rtlanal.c (single_set): Reject if the parallel has anything
11346 except SET or USE or CLOBBER.
11348 2000-03-17 Jeff Law <law@cygnus.com>
11349 Richard Henderson <rth@cygnus.com>
11351 * Makefile.in (OBJS): Add sibcall.o.
11353 * sibcall.c: New file.
11354 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11355 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11356 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11357 Emit sibcall patterns when requested. Update all callers.
11358 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11359 elimination seems feasable.
11360 * final.c (leaf_function_p): Sibling calls don't discount being
11362 * flow.c (HAVE_sibcall_epilogue): Provide default.
11363 (find_basic_blocks_1): Sibling calls don't throw.
11364 (make_edges): Make edge from sibling call to EXIT.
11365 (propagate_block): Don't remove sibcall_epilogue insns.
11366 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11367 (sibcall_epilogue): New.
11368 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11369 (identify_blocks_1): Likewise. Break out from ...
11370 (identify_blocks): ... here.
11371 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11372 (reorder_blocks): ... here.
11373 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11374 (record_insns): Extend a varray instead of mallocing new memory.
11375 (contains): Read a varray not array of ints.
11376 (sibcall_epilogue_contains): New.
11377 (thread_prologue_and_epilogue_insns): Emit and record
11378 sibcall_epilogue patterns.
11379 (init_function_once): Allocate prologue/epilogue varrays.
11380 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11381 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11382 Broken out from ...
11383 (save_for_inline_nocopy): ... here.
11384 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11385 Broken out from ...
11386 (expand_inline_function): ... here.
11387 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11388 (subst_constants): Handle 'n' formats.
11389 * jump.c (jump_optimize_minimal): New.
11390 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11391 optimizations if it's set.
11392 * rtl.c (copy_rtx): Do copy jump & call for insns.
11393 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11394 (SIBLING_CALL_P): New.
11395 (sibcall_use_t): New.
11396 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11397 Invoke optimize_sibling_and_tail_recursive_calls.
11398 * tree.c (lang_safe_for_unsave): New.
11399 (safe_for_unsave): New.
11400 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11402 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11403 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11404 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11406 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11408 * objc/objc-act.c (encode_method_prototype): Pass types, not
11409 PARM_DECLs, to int_size_in_bytes.
11411 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11413 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11415 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11416 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11418 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11420 * Clean up usages of TREE_INT_CST_LOW.
11421 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11422 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11424 * c-tree.h (min_precision): Move declaration to here.
11425 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11426 (build_unary_op, add_pending_init): Use bit_position.
11427 (pending_init_member, process_init_element): Likewise.
11428 (really_start_incremental_init, push_init_level, pop_init_level):
11429 Don't make copies of nodes or modify them in place, use consistent
11430 types when tracking positions, and use tree routines computations.
11431 (set_init_index, output_init_element): Likewise.
11432 (output_pending_init_elements, process_init_element): Likewise.
11433 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11434 tree_low_cst and int_bit_position; also minor cleanup.
11435 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11436 (print_cst_octal): Precision is unsigned.
11437 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11438 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11439 (simple_type_align_in_bits): Result is unsigned int.
11440 Use tree_int_low_cst and host_integerp.
11441 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11442 (field_byte_offset): Result is HOST_WIDE_INT.
11443 Change types of internal variables so alignments are unsigned int,
11444 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11445 Use host_integerp, tree_low_cst, and int_bit_position.
11446 (add_bit_offset_attribute): Likewise.
11447 (add_data_member_location_attribute): Use tree_cst_low.
11448 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11449 (add_bit_size_attribute): Use tree_low_cst.
11450 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11451 * dwarfout.c: Similar changes to dwarf2out.c.
11452 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11453 * genoutput.c (n_occurences): Return -1 for null string.
11454 (strip_whitespace): Accept null string and make into function.
11455 (scan_operands): Reflect above changes.
11456 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11457 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11458 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11459 * tree.c (int_size_in_bytes): Check for too big to represent.
11460 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11461 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11463 (min_precision): Delete from here.
11464 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11465 and int_bit_position.
11466 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11467 (encode_method_def): Likewise.
11468 (build_ivar_list_initializer): Use int_bit_position.
11469 (generate_shared_structures): Convert size.
11470 (encode_type, encode_complete_bitfield): Use integer_zerop.
11471 (encode_bitfield): Use tree_low_cst and int_bit_position.
11473 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11475 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11477 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11479 * call.c (special_function_p): It is only malloc if it returns
11482 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11484 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11485 (C33_FLAG, TARGET_C3X): Add macros.
11486 (TARGET_SWITCHES): Add -m33 option.
11487 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11489 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11491 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11492 (PARALLEL_PACK_FLAG): Delete.
11493 (TARGET_SWITCHES): Update.
11494 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11496 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11498 * fold-const.c (fold): Fix a few cases when the returned result
11499 is not of the same type as the input.
11501 2000-03-16 Nick Clifton <nickc@cygnus.com>
11503 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11506 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11508 * libgcc2.h: Move prototypes above macros with the same name.
11509 Wrap some function prototypes in the conditional which indicates
11510 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11512 2000-03-16 Richard Henderson <rth@cygnus.com>
11514 * calls.c: Revert last two changes.
11516 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11518 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11519 has exponent 0 is a zero.
11521 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11522 HASH may already be nonzero. Add code/mode into hash value
11523 immediately after repeat label.
11524 (cselib_lookup): Don't leave the hash table in an inconsistent
11525 state before a hash lookup operation.
11527 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11529 * i386.md (all HI and QI mode non-move patterns): Conditionize
11530 by TARGET_[HQ]IMODE_MATH.
11531 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11532 x86_promote_qi_regs): Declare.
11533 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11534 TARGET_PROMOTE_QI_REGS): New macros.
11535 (PROMOTE_MODE): New macro.
11536 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11537 x86_promote_qi_regs): New global variables.
11539 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11541 * calls.c (emit_library_call_value_1): Break out from ...; handle
11542 VOIDmode function calls too.
11543 (emit_library_call_value): ... here.
11544 (emit_library_call): Implement by calling emit_library_call_value_1.
11546 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11548 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11549 Update arg_space_so_far on stack adjustments.
11550 (emit_library_call, emit_library_call_value): Likewise; take into
11551 account arg_space_so_far and pending_stack_adjust when calculcating
11554 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11556 * flow.c: Move all basic block reordering code into its own file.
11557 (create_basic_block): Externalize.
11558 * bb-reorder.c: New file. Copy all basic block reordering code from
11559 flow.c to this file.
11560 (reorder_basic_blocks): Fix fencepost error in for-loop.
11561 (reorder_basic_blocks): Remove braces from single statement for-loops.
11562 * basic-block.h: Add declaration for create_basic_block.
11563 * Makefile.in: Add rules for bb-reorder.o.
11565 2000-03-16 Neil Booth <NeilB@earthling.net>
11567 * cppinit.c (handle_option): Implement #unassert directive
11568 as -A- command line option.
11569 (print_help): Update.
11570 * cpptexi.c: Update.
11572 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11574 * md.texi (Standard Names): Document `jump'.
11576 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11578 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11581 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11583 Merge changes from newppc-branch onto trunk.
11585 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11587 * rs6000.c (toc_hash_table): Update for new hash table functions.
11588 (toc_hash_function): Likewise.
11589 (toc_hash_eq): Likewise.
11590 (toc_hash_mark_entry): Likewise.
11591 (toc_hash_mark_table): Likewise.
11592 (output_toc): Likewise.
11593 (rs6000_add_gc_roots): Likewise.
11595 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11597 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11598 (AR_FLAGS_FOR_TARGET): here. New macro.
11600 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11602 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11603 fpmem_operand) Delete.
11605 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11606 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11607 (rs6000_save_machine_status, rs6000_restore_machine_status,
11608 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11609 references to above variables.
11610 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11611 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11612 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11613 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11614 (XER_REGNO_P, XER_REGNO): New.
11615 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11616 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11617 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11619 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11620 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11621 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11623 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11625 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11626 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11627 * rs6000.h: from here.
11629 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11630 (rs6000_select_rtx_section): Likewise.
11631 (rs6000_encode_section_info): Likewise.
11632 (sdata_section): Likewise.
11633 (sdata2_section): Likewise.
11634 (sbss_section): Likewise.
11635 * sysv4.h (rs6000_select_section): Delete prototype.
11636 (rs6000_select_rtx_section): Likewise.
11637 (rs6000_encode_section_info): Likewise.
11638 (sdata_section): Likewise.
11639 (sdata2_section): Likewise.
11640 (sbss_section): Likewise.
11641 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11643 * sysv4.h: Delete various unnecessary #undef's and put a comment
11644 on the remaining ones.
11645 Change various comments according to coding standard.
11647 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11649 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11650 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11651 (CR0_REGNO_P) Remove.
11652 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11653 setup_incoming_varargs, mtcrf_operation, print_operand,
11654 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11655 Use the above macros.
11657 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11659 * config/rs6000/rs6000.md: Added a new alternative for each
11660 pattern that had a 'x' alternative but no 'y' alternative.
11661 Added a new split for each of the above patterns.
11663 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11665 * aix41.h (ASM_CPU_SPEC): Delete.
11666 (CPP_CPU_SPEC): Delete.
11668 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11669 (ASM_OUTPUT_LABEL): Define.
11670 (ASM_GLOBALIZE_LABEL): Define.
11671 (STRIP_NAME_ENCODING): Define.
11672 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11673 (STRIP_NAME_ENCODING): Don't define.
11674 (ASM_OUTPUT_LABEL): Don't define.
11675 (ASM_GLOBALIZE_LABEL): Don't define.
11676 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11677 names, and ASM_OUTPUT_LABEL to output labels, rather than
11679 (ASM_OUTPUT_LABEL): Define.
11680 (ASM_OUTPUT_INT): Use assemble_name.
11681 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11682 (STRIP_NAME_ENCODING): Don't undefine first.
11683 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11685 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11686 specified with 'asm' even with -fleading-underscore.
11687 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11688 (output_epilog): Likewise.
11689 (output_toc): Likewise.
11690 * tramp.asm: Handle -fleading-underscore correctly.
11692 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11694 (nonlocal_goto_receiver): Delete.
11695 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11697 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11698 (SET_ASM_OP): Define.
11699 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11701 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11702 (ASM_LONG): Define.
11704 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11705 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11707 * rs6000.h: Add 'u' to more constants.
11709 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11711 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11713 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11715 * rs6000.c (reg_or_u_cint_operand): New function.
11716 (logical_operand): Handle 64-bit hosts.
11717 (logical_u_operand): New function.
11718 (non_logical_cint_operand): Handle 64-bit hosts.
11719 (non_logical_u_cint_operand): New function.
11720 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11721 (PREDICATE_CODES): Define new functions.
11722 * rs6000-protos.h: Declare new functions.
11723 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11724 (movdi_64): Bracket code intended for 64-bit hosts. Create
11725 CONST_DOUBLE for 32-bit values.
11726 (scc insns): Generate DImode compares.
11727 (mfcr insns): Create DImode versions.
11728 (sge matchers): New patterns.
11730 2000-02-15 Gabriel Paubert <paubert@iram.es>
11732 * rs6000.md: Correct instructions length attributes and
11733 constraints on unsigned compare instructions.
11734 (*ne0): Disable for PowerPC64.
11736 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11738 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11739 quantity, fix profile1.C test failure under -fPIC.
11741 * rs6000.c: Add 'u' to many constants to suppress warnings.
11742 (constant_pool_expr_1): Make static.
11743 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11744 * rs6000.h: Add 'u' to many constants to suppress warnings.
11746 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11747 for the start of the TOC, instead of LCTOC..0.
11748 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11750 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11751 (load_toc_aix_di): Use LCTOC..1.
11753 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11754 * rs6000.c (rs6000_legitimize_address): New function from
11755 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11756 symbols in the constant pool that really are TOC references.
11757 (print_operand_address): For ELF, write TOC offsets under
11758 -fPIC as subtractions in the insn.
11759 (output_toc): For ELF, define symbols in TOC as normal labels,
11761 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11762 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11763 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11764 * rs6000.md (movsi): Only use create_TOC_reference on
11765 symbols in the constant pool that really are TOC references.
11767 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11768 * rs6000.c (rs6000_reorg): Delete.
11769 * rs6000-protos.h (rs6000_reorg): Delete.
11771 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11773 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11775 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11776 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11777 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11778 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11779 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11780 rs6000_aix_emit_builtin_unwind_init.
11781 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11782 rs6000_emit_eh_toc_restore on AIX.
11783 (return_eh_si): Use r2.
11784 (return_eh_di): Use r2.
11786 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11787 since we're breaking binary compatibility anyway.
11789 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11791 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11792 constant_pool_expr_p): Declare them.
11793 (constant_pool_expr_p): Declare it.
11794 * config/rs6000/rs6000.c (toc_label_name): Define.
11795 (rs6000_override_options): Set toc_label_name.
11796 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11797 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11798 uses_TOC): New functions.
11799 (print_operand): Delete old '*' case.
11800 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11801 and strip off rtl for TOC before calling output_addr_const.
11802 (rs6000_emit_load_toc_table): Use toc_label_name.
11803 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11805 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11806 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11807 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11808 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11809 into explicit TOC_REGISTER offsets.
11810 (TOC_REGISTER): New macro.
11811 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11812 TARGET_TOC to reference TOC_REGISTER.
11813 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11814 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11815 uses_TOC before emitting label references.
11817 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11819 * rs6000.md (stack_tie): Fix warning.
11821 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11822 to handle -fleading-underscore.
11823 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11824 (USER_LABEL_PREFIX): New macro.
11825 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11826 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11827 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11828 call-linux can use the same multilibs.
11829 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11830 and call-linux multilibs. Do multilib with -fleading-underscore.
11831 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11832 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11835 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11836 have MASK_SOFT_FLOAT set.
11837 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11838 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11839 CPP_FLOAT_DEFAULT_SPEC.
11841 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11842 * rs6000.md: Whitespace change.
11843 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11844 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11846 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11848 * rs6000.md (eh_epilogue): New expander.
11849 (eh_reg_restore): New expand/split/insn combination.
11850 (return_eh_si): New insn.
11851 (return_eh_di): New insn.
11853 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11854 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11855 * eabi-ctors.c (__do_global_ctors): Register this object's
11856 frame. Clean up. Call atexit() after the constructors.
11857 (__do_global_dtors): Deregister this object's frame. Clean up.
11858 Allow for recursive calls to exit().
11859 * rs6000.c (fixuplabelno): New variable.
11860 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11861 TARGET_RELOCATABLE, it slows down exec() under linux.
11862 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11864 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11865 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11866 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11867 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11868 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11869 (ASM_OUTPUT_DWARF_ADDR): New macro.
11870 (ASM_OUTPUT_DWARF_DATA4): New macro.
11871 (ASM_OUTPUT_DWARF_DATA2): New macro.
11872 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11873 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11874 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11876 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11878 * rs6000.c (rs6000_sr_alias_set): New variable.
11879 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11880 (rs6000_emit_stack_tie): New function.
11881 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11882 in a way that dwarf2out can understand.
11883 (rs6000_frame_related): New function.
11884 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11885 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11886 Use rs6000_emit_stack_tie when needed.
11887 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11888 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11889 * rs6000.md (stack_tie): New insn.
11890 (return_internal_si): Allow return value to be in the count
11892 (return_internal_di): Likewise.
11894 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11896 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11898 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11900 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11902 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11904 * rs6000.md (stmw): Use the right POWER opcode.
11907 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11909 * rs6000-protos.h: New file.
11911 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11913 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11916 * sysv4.h: Likewise.
11918 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11920 * ../../configure.in: Delete powerpcle-*-winnt*
11921 and powerpcle-*-pe|powerpcle-*-cygwin*.
11922 * ../../configure: Regenerated.
11923 * cygwin.h: Delete.
11924 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11925 (TARGET_WINDOWS_NT): Delete.
11927 (CALL_NT_DLLIMPORT): Delete.
11928 Delete NT-specific code.
11929 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11930 * win-nt.h: Delete.
11932 * nt-ci.asm: Delete.
11933 * nt-cn.asm: Delete.
11934 * ntstack.asm: Delete.
11936 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11938 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
11939 (ASM_FILE_START): Likewise.
11940 (ASM_DECLARE_FUNCTION_NAME): Likewise.
11941 (ASM_OUTPUT_LABELREF): Likewise.
11942 (ASM_OUTPUT_SKIP): Likewise.
11943 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
11944 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
11945 (ASM_OUTPUT_CASE_LABEL): Likewise.
11946 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
11947 (ASM_OUTPUT_ASCII): Likewise.
11949 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
11951 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
11952 reload_toc_labelno for non-prologue TOC reloads. Also, don't
11953 increment rs6000_pic_labelno here.
11954 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
11955 and increment rs6000_pic_labelno here.
11957 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
11959 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
11960 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
11961 allocation knows (reg) is dead before the insn.
11963 2000-01-21 Geoff Keating <geoffk@cygnus.com>
11965 * rs6000.md (movsi_to_cr): Correct typo in output template.
11967 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
11969 * rs6000.c (rs6000_pic_labelno): Always define.
11970 (rs6000_pic_func_labelno): Delete.
11971 (lmw_operation): Check for a zero base register,
11972 which doesn't mean what we want.
11973 (stmw_operation): New function.
11974 (print_operand): Define new 'l' modifier.
11975 (rs6000_stack_info): We must save all 64 bits of the registers
11976 if TARGET_POWERPC64.
11977 (rs6000_output_load_toc_table): Delete.
11978 (rs6000_emit_load_toc_table): New function.
11979 (rs6000_allocate_stack_space): Delete.
11980 (rs6000_emit_allocate_stack): New function.
11981 (rs6000_emit_prologue): New function.
11982 (output_prolog): Use rs6000_emit_prologue.
11983 (rs6000_emit_epilogue): Change a few variable names to be
11984 more accurate. Restore all 64 bits of the registers if
11985 TARGET_POWERPC64. Only restore the FP registers which were used
11986 if they are being saved/restored one-at-a-time.
11987 (output_mi_thunk): Delete inefficient code generation.
11988 (output_function_profiler): Don't use rs6000_output_load_toc_table.
11989 * rs6000.h: Declare rs6000_emit_load_toc_table,
11990 rs6000_allocate_stack_space, stmw_operation. Don't declare
11991 rs6000_output_load_toc_table.
11992 * rs6000.md (elf_high): Allow register 0, but discourage it
11994 (elf_low): Support loading into register 0.
11995 (load_toc_aix_si): New pattern.
11996 (load_toc_aix_di): New pattern.
11997 (load_toc_v4_pic_si): New pattern.
11998 (load_toc_v4_pic_di): New pattern.
11999 (load_toc_v4_PIC_1): New pattern.
12000 (load_toc_v4_PIC_1b): New pattern.
12001 (load_toc_v4_PIC_2): New pattern.
12002 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
12003 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
12004 (prologue): New expander.
12005 (movesi_from_cr): New pattern.
12006 (stmw): New pattern.
12007 (save_fpregs_si): New pattern.
12008 (save_fpregs_di): New pattern.
12010 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12012 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
12017 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12019 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
12021 (movsi_got_internal): Likewise.
12022 (movsi_got_internal+1): Likewise.
12023 (set_sp): 'unspec 7' does a SImode clobber.
12025 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12027 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
12028 allocate a stack temporary.
12029 (floatsidf2_internal): Likewise.
12030 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
12032 (floatunssidf2): Don't use the fpmem "register", just
12033 allocate a stack temporary.
12034 (floatunssidf2_internal): Likewise.
12035 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
12037 (floatsidf2_loadaddr): Delete.
12038 (floatsidf2_store1): Delete.
12039 (floatsidf2_store2): Delete.
12040 (floatsidf2_load): Delete.
12041 (fix_truncdfsi2): Don't use the fpmem "register", just
12042 allocate a stack temporary.
12043 (fix_truncdfsi2_internal_si): Delete.
12044 (fix_truncdfsi2_internal_di): Delete.
12045 (fix_truncdfsi2_internal): New insn.
12046 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
12047 (fix_truncdfsi2_store): Delete.
12048 (fix_truncdfsi2_load): Delete.
12049 (fctiwz): Produce gen_fctiwz.
12051 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12053 * eabi.h (INVOKE__main): Define.
12054 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
12056 (rs6000_emit_prologue): Likewise.
12057 * rs6000.h (struct rs6000_stack): Don't keep track of whether
12058 this is the main program.
12060 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12062 * rs6000.c (rs6000_va_arg): Delete some unused variables.
12064 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12066 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
12067 goes after the argument.
12069 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12071 * rs6000.md: Document 'unspec' values used.
12072 (epilogue): New expander.
12073 (movesi_to_cr_one): New expander.
12074 (movesi_to_cr and following): New pattern.
12075 (lmw): New pattern.
12076 (return_internal_si): New pattern.
12077 (return_internal_di): New pattern.
12078 (return_and_restore_fpregs_si): New pattern.
12079 (return_and_restore_fpregs_di): New pattern.
12080 * rs6000.h: Declare new functions.
12081 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
12082 rather than rs6000_calls_p.
12083 (rs6000_makes_calls): Delete.
12084 (lmw_operation): New function.
12085 (mtcrf_operation): New function.
12086 (rs6000_emit_epilogue): New function.
12087 (output_epilog): Call rs6000_emit_epilogue and final if
12088 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
12090 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12092 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
12093 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
12094 * aix.h (SUBTARGET_SWITCHES): Document switches.
12095 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
12096 sched-prolog and sched-epilog the same. Document all the
12098 (TARGET_OPTIONS): No longer allow -mdebug-.
12100 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12102 * rs6000.h (ASM_FILE_END): Move to aix.h.
12103 (EXTRA_SECTIONS): Move to aix.h.
12104 (READONLY_DATA_SECTION): Move to aix.h.
12105 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
12106 (SELECT_SECTION): Move to aix.h.
12107 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
12108 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
12109 (LINK_REGISTER_REGNUM): New definition.
12110 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
12111 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
12113 * sysv4.h: Delete the code between the inclusion of rs6000.h
12115 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
12116 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
12117 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12118 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12119 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12120 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12121 (fix_truncdfsi2_internal_di): New pattern.
12122 (fix_truncdfsi2_store): The second arg here is Pmode too.
12123 (fix_truncdfsi2_load): The second arg here is Pmode too.
12124 (tablejumpdi): Now that switch tables hold only SImode values,
12125 gcc needs to know how to add them to the pc which is DImode.
12126 * rs6000.c (rs6000_stack_info): Use symbolic name for
12127 LINK_REGISTER_REGNUM.
12128 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12129 (output_toc): Delete unused variables s1 and s2.
12130 (output_ascii): Use fputs not fprintf on a variable string.
12132 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12134 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12135 * aix43.h: Revert Aug 2 change.
12136 (HAS_INIT_SECTION): Define, not visible yet.
12137 (LD_INIT_SWITCH): Define, not visible yet.
12138 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12140 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12142 * config/rs6000/rtems.h: Include config/rtems.h.
12144 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12146 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12147 (SLOW_UNALIGNED_ACCESS): Define.
12148 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12149 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12150 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12151 (toc_section): Likewise and .toc pseudo-op.
12152 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12154 (TEXT_SECTION_ASM_OP): Likewise.
12155 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12158 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12160 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12161 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12164 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12166 * rs6000.h: Move more stuff from here...
12168 * sysv4.h: Cleanup accordingly.
12169 * netware.h: Likewise
12171 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12173 * rs6000.h: Continue cleanup.
12175 * lynx.h: Likewise.
12176 * netware.h: Likewise.
12177 * sol2.h: Likewise.
12178 * sysv4.h: Likewise.
12179 * win-nt.h: Likewise.
12181 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12182 (TARGET_OPTIONS): Likewise.
12184 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12185 (SUBTARGET_OPTIONS): Likewise.
12187 * rs6000.md: Fix compile time warnings.
12189 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12191 vxworks patches from the Cygnus tree originally by
12192 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12193 <vmakarov@cygnus.com>.
12194 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12195 (ENDFILE_SPEC): Likewise.
12196 (LIB_VXWORKS_SPEC): New macro.
12197 (STARTFILE_VXWORKS_SPEC): New macro.
12198 (ENDFILE_VXWORKS_SPEC): New macro.
12199 (LINK_START_VXWORKS_SPEC): New macro.
12200 (LINK_OS_VXWORKS_SPEC): New macro.
12201 (CPP_OS_VXWORKS_SPEC): New macro.
12202 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12203 * vxppc.h: Rewrite to use proper configuration method.
12204 * vxppcle.h: New file.
12205 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12206 * ../../configure: Rebuilt.
12208 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12210 Lots of changes to rs6000.h, sysv4.h, aix.h,
12211 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12212 with the aim that rs6000.h is the first header
12213 included and the others override it.
12216 * x-aix41-gld: Remove.
12218 * x-aix41: Remove target-specific switches, and don't specify
12219 -Wl,-bbigtoc as we don't need it any more.
12220 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12221 Use t-aix43 for AIX 4.3 and above.
12222 * ../../configure: Regenerated.
12224 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12225 options, that don't do anything yet.
12226 (MASK_SCHED_PROLOG): New macro.
12227 (MASK_SCHED_EPILOG): New macro.
12228 (TARGET_SCHED_PROLOG): New macro.
12229 (TARGET_SCHED_EPILOG): New macro.
12231 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12233 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12234 one per translation unit, not one per function.
12235 (output_toc): Also do duplicate constant elimination
12236 for per-translation-unit TOCs.
12238 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12239 a comment explaining _exactly_ when this pattern gets used.
12240 (builtin_setjmp_receiver): New pattern for better clarity.
12241 (init_v4_pic): Move it into a section dealing with TOC registers.
12243 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12245 * rs6000.c (toc_hash_table): New variable.
12246 (rs6000_hash_constant): New function.
12247 (toc_hash_function): New function.
12248 (toc_hash_eq): New function.
12249 (toc_hash_mark_entry): New function.
12250 (toc_hash_mark_table): New function.
12251 (output_toc): Don't output duplicate TOC entries in
12253 (rs6000_add_gc_roots): Add the hash table as a GC root.
12254 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12255 where they clearly shouldn't be. This may need to be fixed
12256 later when there is a GNU ar for AIX.
12257 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12258 Don't define BOOT_LDFLAGS as it is now not necessary.
12260 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12262 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12263 for va_list on AIX. Use unsigned_char_type_node rather than
12264 constructing our own version on svr4.
12266 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12268 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12269 since patently it's not.
12271 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12273 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12274 define_expand/define_insn pair, and handle restore of the
12275 SVR4 -fpic register.
12277 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12279 * acconfig.h (HAVE_GAS_WEAK): New define.
12280 * configure.in (assembler weak support): Check for .weak support.
12281 * config.in, configure: Rebuilt.
12282 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12283 HAVE_GAS_WEAK is defined.
12285 2000-03-15 Nick Clifton <nickc@cygnus.com>
12287 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12290 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12292 * cppfiles.c (open_include_file): New function.
12293 (find_include_file, cpp_read_file): Use it.
12295 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12297 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12299 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12301 * flow.c (verify_flow_info): Check for unconditional return.
12303 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12305 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12306 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12307 (__ia64_restore_stack_nonlocal): New.
12308 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12310 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12312 * cpphash.c (collect_formal_parameters): Do not complain about
12313 parameter names that just start with `__VA_ARGS__'.
12315 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12317 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12318 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12319 * i386.c (pentiumpro_cost): Set mul cost to 4.
12320 (x86_use_movx): Set for PPro.
12322 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12324 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12325 STACK_BOUNDARY for empty frames now.
12327 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12329 * stor-layout.c (layout_union): Remove.
12330 (layout_union_field): New function, split out from layout_union.
12331 (finish_union_layout): Likewise.
12332 (layout_field): Handle unions by calling layout_union_field.
12333 (finish_record_layout): Handle unions.
12334 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12335 QUAL_UNION_TYPE handling.
12337 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12339 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12340 end of basic block is jump_insn, not barrier; use create_basic_block
12341 instead of creating basic block by hand.
12343 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12345 * flow.c (reorder_basic_blocks): Account for barriers when writing
12346 over NEXT_INSN (last_bb->end).
12347 (verify_flow_info): Add check for missing barriers.
12349 2000-03-14 Greg McGary <gkm@gnu.org>
12351 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12352 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12353 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12354 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12355 __unbounded, __unbounded__): New keywords.
12356 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12357 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12358 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12360 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12362 * cselib.h: New file.
12363 * alias.c: Include "cselib.h".
12364 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12365 MEMs as two new arguments.
12366 (get_addr): New static function.
12367 (find_base_term): Handle VALUEs.
12368 (memrefs_conflict_p): Likewise.
12369 (true_dependence): Call get_addr on the addresses.
12370 Call fixed_scalar_and_varying_struct_p with addresses that have been
12371 passed through get_addr and canon_rtx.
12372 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12373 with true_dependence.
12374 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12375 * loop.c: Include "cselib.h".
12376 (load_mems): Process extended basic block that enters the loop with
12377 cselib. Use that information to change initialization of the shadow
12378 register so that a constant equivalence is seen by later passes.
12379 * reload1.c: Include "cselib.h".
12380 (reload_cse_invalidate_regno): Delete function.
12381 (reload_cse_mem_conflict_p): Likewise.
12382 (reload_cse_invalidate_mem): Likewise.
12383 (reload_cse_invalidate_rtx): Likewise.
12384 (reload_cse_regno_equal_p): Likewise.
12385 (reload_cse_check_clobber): Likewise.
12386 (reload_cse_record_set): Likewise.
12387 (reg_values): Delete static variable.
12388 (invalidate_regno_rtx): Likewise.
12389 (reload_cse_delete_noop_set): New static function.
12390 (reload_cse_simplify): New static function, broken out of
12392 (reload_cse_noop_set_p): Delete unused argument INSN.
12393 Just call rtx_equal_for_cselib_p on set source and destination.
12394 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12395 reload_cse_delete_noop_set. Delete code to keep track of values; use
12396 cselib functions instead. Delete code to push/pop obstacks.
12397 (reload_cse_simplify_set): Use cselib to find equivalent values.
12398 Delete code to push/pop obstacks.
12399 (reload_cse_simplify_operands): Likewise.
12400 * rtl.def (VALUE): New rtx code.
12401 * rtl.h (union rtunion_def): New elt rt_cselib.
12402 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12403 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12404 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12405 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12406 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12407 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12408 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12409 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12410 cselib_record_set, cselib_record_sets): New static functions.
12411 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12412 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12413 references_value_p): New functions.
12414 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12415 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12416 n_useless_values, reg_values, callmem, cselib_obstack,
12417 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12418 New static variables.
12419 * varray.h (union varray_data_tag): New elt te.
12420 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12421 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12424 2000-03-14 Nick Clifton <nickc@cygnus.com>
12426 * gcc.c (do_spec_1): Catch the case where %* is used in a
12427 substitution pattern, but it has not been initialised.
12428 Issue a meaningful error message if an unrecognised operator
12429 is encountered in a spec string.
12431 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12433 * function.c (prepare_function_start): Correctly initialize
12434 cfun->stack_alignment_needed.
12436 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12438 * cppfiles.c (find_include_file): Don't assume nshort is a
12441 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12443 * configure.in (hppa configurations): Add pa32-regs.h to the
12444 list of tm files as appropriate.
12445 * configure: Rebuilt.
12446 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12447 register numbering.
12448 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12449 (fmpyaddoperands, fmpysuboperands): Likewise.
12450 * pa.h: Remove various definitions which depend on knowing
12451 how registers are numbered.
12452 * pa32-regs.h: New file with PA32 register numbering specific
12455 2000-03-14 Richard Henderson <rth@cygnus.com>
12457 * regmove.c (combine_stack_adjustments): New.
12458 (stack_memref_p, single_set_for_csa): New.
12459 (free_csa_memlist, record_one_stack_memref): New.
12460 (try_apply_stack_adjustment): New.
12461 (combine_stack_adjustments_for_block): New.
12462 * rtl.h (combine_stack_adjustments): Declare.
12463 * toplev.c (rest_of_compilation): Call it.
12465 * i386.md: Revert 2000-01-16 change.
12467 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12469 * gccbug.in: Add web category, gcc specific classes.
12471 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12473 * stor-layout.c (finalize_record_size): Fix typo.
12475 2000-03-14 Stan Shebs <shebs@apple.com>
12477 * c-typeck.c (c_alignof): Error on incomplete types.
12478 * extend.texi (Alignment): Document this.
12480 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12482 * cppfiles.c: Include mkdeps.h.
12483 (find_include_file, read_include_file): Remove _cpp_ prefix
12484 from name, make static.
12485 (_cpp_execute_include): New function, broken out of
12488 * cpplib.c: Don't include mkdeps.h.
12489 (struct directive): Remove type field. Reorder entries. The
12490 function takes only one argument.
12491 (struct if_stack): Make type field an int.
12492 (directive_table): Rename to dtable. Generate it, the
12493 prototypes of the directive handlers, and the enum for the
12494 directive numbers, from a template macro.
12495 (do_ifndef, do_include_next, do_import): New functions.
12496 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12497 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12498 do_ident, do_assert, do_unassert, do_sccs): Take only one
12500 (do_sccs): Define always, but alter behavior based on
12502 (_cpp_handle_directive, consider_directive_while_skipping):
12503 Restructure for new directive table layout.
12505 (pass_thru_directive): Take a directive number, not a pointer
12506 to a struct directive.
12507 (parse_include): New function, broken out of do_include.
12508 (do_include, do_import, do_include_next): Use parse_include
12509 and _cpp_execute_include.
12510 (do_elif, do_else): Test for T_ELSE specifically when checking
12511 for #elif/#else after #else.
12512 (parse_ifdef): New function, broken out of do_ifdef.
12513 (validate_else): Expect a name arg without a leading #.
12514 (if_directive_name): Delete.
12515 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12516 directive handlers with only one argument.
12518 * cpphash.h: Update prototypes.
12519 (enum node_type): Remove entries for directives.
12520 * Makefile.in: Update dependencies.
12522 * cpphash.c (dump_hash_helper): Only dump nodes of type
12523 T_MACRO. Emit a newline after each definition.
12525 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12527 * gccbug.in: New file.
12528 * configure.in (all_outputs): Add gccbug.
12529 * Makefile.in (install-common): Install gccbug.
12530 (GCCBUG_INSTALL_NAME): New variable.
12531 * configure: Rebuilt.
12533 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12535 * function.c (put_var_into_stack): Use type_for_mode to calculate
12536 part_type. Use MEM_SET_IN_STRUCT_P.
12537 * expr.c (store_field): Handle CONCAT.
12538 (store_constructor): Use fields_length.
12539 * tree.c (fields_length): New fn.
12540 * tree.h: Declare it.
12542 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12544 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12545 (cpplex.o): New target.
12546 * po/POTFILES.in: Add cpplex.c.
12548 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12549 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12550 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12551 skip_block_comment, skip_line_comment, skip_comment,
12552 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12553 _cpp_parse_name, skip_string, parse_string,
12554 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12555 _cpp_get_directive_token, find_position,
12556 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12557 (maybe_macroexpand, _cpp_lex_token): New functions.
12559 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12560 parse_goto_mark): Delete.
12561 (_cpp_handle_eof): New function.
12562 (_cpp_handle_directive): Rename from handle_directive.
12563 (_cpp_output_line_command): Rename from output_line_command.
12564 (do_if, do_elif): Call _cpp_parse_expr directly.
12565 * cppfiles.c (_cpp_read_include_file): Don't call
12566 init_input_buffer here.
12567 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12568 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12569 here; pop the token_buffer and skip the rest of the line here.
12570 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12573 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12575 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12576 CPP_GOTO_MARK): New macros.
12577 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12578 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12579 _cpp_read_and_prescan, _cpp_init_input_buffer,
12580 _cpp_grow_token_buffer, _cpp_get_directive_token,
12581 _cpp_handle_directive, _cpp_handle_eof,
12582 _cpp_output_line_command): Prototype them here.
12583 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12584 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12585 quote_string, output_line_command): Remove.
12587 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12589 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12590 whether it is too large we must also verify that it isn't negative.
12592 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12594 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12595 (movsi_zero_liveg0): Remove.
12596 (movsf_insn_novis_liveg0): Remove.
12598 (negsi2_not_liveg0): Rename to negsi2.
12599 (one_cmplsi2): Remove.
12600 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12601 (one_cmplsi2_liveg0): Remove.
12602 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12603 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12604 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12605 (PREDICATE_CODES): Remove zero_operand.
12606 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12607 TARGET_BROKEN_SAVERESTORE.
12608 (zero_operand): Remove.
12609 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12610 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12612 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12613 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12614 TARGET_BROKEN_SAVERESTORE): Remove.
12615 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12617 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12619 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12622 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12624 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12626 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12627 truncating a string. Don't assume tokens are nul terminated.
12628 Problem noted by Andreas Jaeger <aj@suse.de>
12630 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12632 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12633 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12634 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12636 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12638 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12639 STRUCTURE_SIZE_BOUNDARY.
12641 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12643 * tree.h (record_layout_info_s): New structure.
12644 (record_layout_info): New type.
12645 (new_record_layout_info): New function.
12646 (layout_field): Likewise.
12647 (finish_record_layout): Likewise.
12648 * stor-layout.c (layout_record): Remove.
12649 (new_record_layout_info): New function.
12650 (layout_field): New function, broken out from layout_record.
12651 (finalize_record_size): Likewise.
12652 (compute_record_mode): Likewise.
12653 (finalize_type_size): New function, broken out from layout_type.
12654 (finish_record_layout): Likewise.
12655 (layout_type): Use them.
12657 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12659 * cpphash.c: Don't include version.h.
12660 (special_symbol) [case T_VERSION]: Look for the string in
12661 hp->value.cpval; don't use version_string.
12662 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12663 __VERSION__ to version_string.
12664 * Makefile.in (cpphash.o): Update deps.
12666 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12668 Convert cpplib to use libiberty/hashtab.c.
12670 * cpplib.h (struct cpp_reader): Make hashtab and
12671 all_include_files of type 'struct htab *'. Delete HASHSIZE
12672 and ALL_INCLUDE_HASHSIZE macros.
12674 * cpphash.h: Update prototypes.
12675 (struct hashnode): Remove next, prev, and bucket_hdr members.
12676 Make length a size_t. Add hash member.
12677 (struct ihash): Remove next member. Add hash member. Make
12678 name a flexible array member.
12680 * cppfiles.c: Include hashtab.h.
12681 (include_hash): Delete.
12682 (IHASHSIZE): New macro.
12683 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12684 (cpp_included): Do the hash lookup here.
12685 (_cpp_find_include_file): Rewrite.
12686 (cpp_read_file): Put the "fake" hash entry into the hash
12687 table. Honor the control_macro, if it turns out we've seen
12688 the file before. Don't push the buffer here.
12689 (_cpp_read_include_file): Push the buffer here.
12690 (OMODES): New macro. Use it whenever we call open(2).
12692 * cpphash.c: Include hashtab.h.
12693 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12694 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12695 _cpp_lookup_slot): New functions.
12696 (HASHSIZE): new macro.
12697 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12698 (_cpp_lookup): Use hashtab.h routines.
12700 * cppinit.c: Include hashtab.h.
12701 (cpp_reader_init): Call _cpp_init_macro_hash and
12702 _cpp_init_include_hash. Don't allocate hashtab directly.
12703 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12704 pfile->all_include_files.
12705 (initialize_builtins): Use _cpp_make_hashnode and
12706 htab_find_slot to add hash entries.
12707 (cpp_finish): Just call _cpp_dump_macro_hash.
12708 * cpplib.c: Include hashtab.h.
12709 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12710 create hash entries.
12711 (do_pragma_poison, do_assert): Likewise.
12712 (do_include): Don't push the buffer here. Don't increment
12713 system_include_depth unless _cpp_read_include_file succeeds.
12714 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12715 or htab_remove_elt.
12716 (do_pragma_implementation): Use alloca to create copy.
12718 * Makefile.in: Update dependencies.
12720 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12722 * cppinit.c (cl_directive_handler): More K&R fixing.
12724 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12726 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12728 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12730 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12732 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12733 Change from char[] to macros.
12735 2000-03-12 Neil Booth <NeilB@earthling.net>
12737 * cppinit.c (cpp_start_read): Update indirect function
12740 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12742 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12745 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12746 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12748 2000-03-11 Neil Booth <NeilB@earthling.net>
12750 * cppinit.c (struct pending option): Replace undef with a
12751 pointer to a directive handling routine.
12752 (struct cpp_pending): Replace separate assert_ and define_
12753 lists with one directive_ list.
12754 (new_pending_define): Rename new_pending_directive. Extra
12755 argument is the directive's handling routine.
12756 (handle_option): Update to use new_pending_directive.
12758 2000-03-11 Neil Booth <NeilB@earthling.net>
12760 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12761 remap_filename, _cpp_read_include_file, actual_directory,
12762 hack_vms_include_specification): Replace bcopy(), index() etc
12763 calls. Add casts to some allocations. Make some variables
12764 pointers to const [unsigned] char.
12765 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12766 collect_formal_parameters): Similarly.
12767 * cppinit.c (struct pending_option, append_include_chain,
12768 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12769 cpp_start_read, new_pending_define, handle_option): Similarly.
12770 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12771 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12772 do_pragma_implementation, detect_if_not_defined,
12773 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12774 do_assert, do_unassert): Similarly.
12775 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12776 function prototypes.
12777 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12779 2000-03-10 Richard Henderson <rth@cygnus.com>
12781 * builtins.c (expand_builtin_strlen): Revert last change.
12782 Use emit_insn_before if we're at the beginning of a sequence.
12784 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12786 * builtins.c (expand_builtin_strlen): Make sure that we have something
12787 at the beginning of the sequence.
12789 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12792 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12794 2000-03-10 Richard Henderson <rth@cygnus.com>
12796 * except.c (can_throw): Use INTVAL on a CONST_INT.
12797 (reachable_handlers): Likewise.
12798 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12800 2000-03-10 Andreas Jaeger <aj@suse.de>
12802 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12803 MD_STARTFILE_PREFIX since those are not needed on linux.
12804 (ASM_FILE_START): New, from mips/gnu.h.
12806 2000-03-09 Richard Henderson <rth@cygnus.com>
12807 Alex Samuel <samuel@codesourcery.com> and others
12809 * Makefile.in (ssa.o): New rule.
12811 (STAGESTUFF): Add *.ssa and *.ussa.
12812 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12813 * rtl.def (PHI): New RTL expression.
12814 * rtl.h (clear_log_links): New declaration.
12815 (convert_to_ssa): Likewise.
12816 (convert_from_ssa): Likewise.
12817 * flow.c (split_edge): If the entry node falls through to the
12818 split edge's source block, split the entry edge.
12819 (clear_log_links): New function.
12820 * toplev.c (ssa_dump): New variable.
12821 (flag_ssa): Likewise.
12822 (f_options): Add "ssa".
12823 (compile_file): Create SSA dump files.
12824 (rest_of_compilation): Go to and from SSA if enabled.
12825 (decide_d_option): Handle -de for SSA dump files.
12828 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12830 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12833 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12835 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12837 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12839 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12840 (MD_STARTFILE_PREFIX_1): New macro.
12842 2000-03-09 Robert Lipe <robertl@sco.com>
12844 * config/ia64/ia64.c: Include system.h.
12846 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12848 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12849 (init_eh_nesting_info): Likewise.
12851 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12852 (TREE_NOTHROW): Rename from TREE_RAISES.
12853 * toplev.c (rest_of_compilation): Set it.
12854 * print-tree.c (print_node): Adjust.
12855 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12856 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12857 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12858 REG_EH_REGION note as appropriate.
12859 (libfunc_nothrow): New fn.
12860 (emit_library_call, emit_library_call_value): Use it.
12861 (expand_call): Check TREE_NOTHROW.
12863 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12864 DECL_ASSEMBLER_NAME.
12866 2000-03-09 Andreas Jaeger <aj@suse.de>
12868 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12869 (TARGET_MEM_FUNCTIONS): Define.
12871 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12873 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12875 * except.c (can_throw): See through a SEQUENCE.
12876 (nothrow_function_p): New fn.
12877 * except.h: Declare it.
12878 * function.c (current_function_nothrow): New var.
12879 (prepare_function_start): Initialize it.
12880 * output.h: Declare it.
12881 * toplev.c (rest_of_compilation): Set it.
12882 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12884 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12886 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12887 match. (cpp_compare_defs): Count the nul separator when
12888 advancing over argument names.
12890 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12892 * recog.c (preprocess_constraints): Matching constraints affect
12893 same alternative/different operand, not same operand/different
12896 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12897 register and a constant specially.
12899 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12901 * libgcc2.h: New file.
12902 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12904 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12906 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12907 * configure: Regenerate.
12908 * config/ia64: New.
12910 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12912 * Makefile.in (LIBCPP_DEPS): New macro.
12913 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12914 it to declare deps.
12915 * cpperror.c: Include cpphash.h.
12916 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12918 (lex): Don't use CPP_WARN_UNDEF.
12919 (_cpp_parse_expr): Return an int, the truth value.
12920 * cppfiles.c: Include cpphash.h.
12921 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12922 * cppinit.c (include_defaults_array): Disentangle.
12923 (cpp_cleanup): Don't free the if stack here.
12924 (cpp_finish): Pop off all buffers, not just one.
12925 * cpplib.c (eval_if_expr): Return int.
12926 (do_xifdef): Rename do_ifdef.
12927 (handle_directive): Don't use CPP_PREPROCESSED.
12928 (cpp_get_token): Don't use CPP_C89.
12929 * fix-header.c: Don't use CPP_OPTIONS.
12931 * cpplib.h: Move U_CHAR, enum node_type, struct
12932 file_name_list, struct ihash, is_idchar, is_idstart,
12933 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12934 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
12935 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
12936 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
12937 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
12938 of _cpp_simplify_pathname, _cpp_find_include_file,
12939 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
12940 Move struct if_stack to cpplib.c. Move struct cpp_pending to
12942 Change all uses of U_CHAR to be unsigned char instead.
12943 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
12945 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
12947 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
12948 (dwarf2out_begin_prologue): Set it.
12949 (output_call_frame_info): Don't emit EH unwind info for leaves.
12951 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
12952 can occur outside of an EH region.
12953 * except.c: Correct comments about rethrow behavior.
12954 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
12956 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
12958 * flow.c (make_edges): Always call make_eh_edge for calls.
12960 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12962 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
12963 (struct cpp_buffer): Remove fname and underflow fields.
12964 (struct cpp_reader): Remove get_token field.
12965 (struct include_hash): Rename to struct ihash. Add typedef to
12967 (struct if_stack): Remove fname field.
12968 (IF_STACK_FRAME): Rename to IF_STACK.
12970 * cpperror.c (print_containing_files): Trust that there are no
12971 macro buffers below the top file buffer.
12972 * cppfiles.c: Replace all references to 'struct include_hash'
12973 with 'IHASH'. Rename initialize_input_buffer to
12974 init_input_buffer. Don't set or reference cpp_buffer->fname,
12975 use buffer->ihash->name instead.
12976 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
12977 not CPP_NULL_BUFFER.
12978 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
12979 IF_STACK_FRAME, IHASH not struct include_hash.
12980 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
12981 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
12982 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
12983 references to cpp_buffer->fname (delete entirely, or use
12984 ->ihash->name instead) and IF_STACK->fname.
12985 (cpp_push_buffer): Don't set new->underflow.
12986 (do_include): Use cpp_file_buffer.
12988 * cpphash.c (collect_formal_parameters): Remove duplicate
12989 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
12990 used as a macro argument name. Don't append "..." to namebuf
12991 for varargs macros. After we're done scanning, go through
12992 namebuf and make it NUL separated, not comma separated.
12993 (_cpp_compare_defs): Remove register tag from variables.
12994 Expect defn->argnames to be NUL separated.
12995 (_cpp_dump_definition): Expect defn->argnames to be NUL
12996 separated and in forward order.
12997 * cpphash.h: Update documentation of argnames field.
12999 2000-03-08 Richard Henderson <rth@cygnus.com>
13001 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
13002 to fail. Don't pre-expand the source operand.
13004 * i386.md (strlensi): Initialize eoschar and align before use.
13006 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13008 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
13009 CONSTRUCTOR element.
13011 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13013 * mips.c (mips_expand_prologue): If the last
13014 named argument is the vararg marker "va_list", treat it as
13015 an unnamed argument.
13017 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
13019 * dbxout.c (dbxout_parms): When correcting for promoted
13020 big-endian parameters, use the mode of the DECL_RTL rather
13021 than UNITS_PER_WORD.
13023 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
13025 * c-common.h (make_fname_decl): Declare.
13026 * c-common.c (make_fname_decl): Define.
13027 (declare_hidden_char_array): Remove.
13028 (declare_function_name): Use make_fname_decl.
13029 * c-decl.c (c_make_fname_decl): New function.
13030 (init_decl_processing): Set make_fname_decl.
13032 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
13034 * cccp.c (handle_directive): Initialize backslash_newlines_p.
13036 2000-03-07 Philipp Thomas <pthomas@suse.de>
13038 * po/POTFILES.in: Remove cppalloc.c from file list.
13040 2000-03-07 Steve Chamberlain <sac@pobox.com>
13042 * pj.c (pj_expand_prologue): current_function->args_info is
13043 now current_function_args_info.
13045 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
13046 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
13047 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
13049 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13051 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
13052 output as hexadecimal rather than the default octal.
13054 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13056 * cpphash.c (special_symbol): Fix thinko in previous commit.
13058 2000-03-07 Neil Booth <NeilB@earthling.net>
13060 * cppexp.c (struct operation, left_shift, right_shift,
13061 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
13062 "int"s to "unsigned int"s.
13063 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
13065 * cpplib.h: Update for above.
13066 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
13067 returned from allocations.
13069 * cppinit.c (opt_comp, parse_options): New functions.
13070 (handle_option): Use parse_option to parse a single command
13071 line option, that possibly takes an argument.
13072 (cpp_handle_options): Sort the array of command line options on
13073 first invocation (non-ASCII hosts only).
13074 (print_help): Update.
13076 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13078 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
13079 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
13081 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
13083 * cppinit.c (cpp_cleanup): Free imp->nshort also.
13085 * cpperror.c (cpp_print_containing_files,
13086 cpp_print_file_and_line, v_cpp_message): Rename to
13087 print_containing_files, print_file_and_line, and v_message.
13088 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
13089 to _cpp_parse_expr, parse_escape, and lex.
13090 (parse_charconst): Remove broken multibyte support.
13091 * cppfiles.c (include_hash): Make static.
13092 (cpp_included): New function.
13093 (merge_include_chains, find_include_file, finclude,
13094 simplify_pathname): Rename to _cpp_merge_include_chains,
13095 _cpp_find_include_file, _cpp_read_include_file, and
13096 _cpp_simplify_pathname.
13097 * cpphash.c (cpp_lookup, free_definition, delete_macro,
13098 cpp_install, create_definition, macroexpand, compare_defs,
13099 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
13100 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
13101 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
13102 * cppinit.c (cpp_handle_option): Rename to handle_option, make
13104 * cpplib.c: Remove extern prototype of cpp_parse_expr.
13106 * cpphash.h: Update prototypes.
13107 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
13109 2000-03-07 Andrew Haley <aph@cygnus.com>
13111 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
13112 PTRDIFF_TYPE should be based solely on Pmode.
13113 (SIZE_TYPE): ditto.
13115 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13117 * rtl.h (rtunion_def): Constify member `rtstr'.
13118 (emit_line_note_after, emit_line_note, emit_line_note_force,
13119 emit_note, decode_asm_operands): Constify.
13121 * cse.c (canon_hash): Likewise.
13123 * dbxout.c (dbxout_block): Likewise.
13125 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13126 v_warning_for_asm): Likewise.
13128 * dwarfout.c (function_start_label): Likewise.
13130 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13131 emit_line_note_force): Likewise.
13133 * final.c (last_filename, asm_insn_count, final_scan_insn,
13134 output_source_line): Likewise.
13136 * function.h (struct emit_status): Likewise.
13138 * gcse.c (hash_expr_1): Likewise.
13140 * genattr.c (gen_attr, main): Likewise.
13142 * genattrtab.c (struct function_unit, current_alternative_string,
13143 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13144 attr_numeral, check_attr_test, check_attr_value,
13145 convert_set_attr_alternative, convert_set_attr,
13146 compute_alternative_mask, simplify_by_exploding, gen_attr,
13147 gen_unit): Likewise.
13149 * genflags.c (gen_insn): Likewise.
13151 * gengenrtl.c (type_from_format): Likewise.
13153 * genopinit.c (gen_insn): Likewise.
13155 * genoutput.c (n_occurrences, process_template, process_template):
13158 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13161 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13164 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13165 ggc_set_mark, ggc_get_size): Likewise.
13167 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13169 * optabs.c (init_one_libfunc): Likewise.
13171 * output.h (assemble_start_function): Likewise.
13173 * recog.c (decode_asm_operands): Likewise.
13175 * toplev.c (rest_of_compilation): Likewise.
13177 * tree.h (emit_line_note_after, emit_line_note,
13178 emit_line_note_force): Likewise.
13180 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13181 asm_emit_uninitialised, assemble_start_function,
13182 assemble_variable, const_hash, compare_constant_1,
13183 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13185 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13187 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13189 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13191 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13193 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13194 arm_dllimport_name_p): Likewise.
13196 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13199 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13201 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13203 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13204 arm_mark_dllexport, arm_mark_dllimport,
13205 arm_pe_encode_section_info): Likewise.
13207 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13208 ASM_FINISH_DECLARE_OBJECT): Likewise.
13210 * arm/thumb.c (thumb_function_prologue): Likewise.
13212 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13214 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13216 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13218 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13220 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13222 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13224 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13225 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13227 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13229 * i386/i386.c (asm_output_function_prefix): Likewise.
13231 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13233 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13235 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13237 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13238 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13239 ASM_OUTPUT_SECTION_NAME): Likewise.
13241 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13243 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13245 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13247 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13249 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13251 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13253 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13255 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13257 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13259 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13261 * mips/mips.md (movdi, movsi): Likewise.
13263 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13265 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13267 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13269 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13270 ASM_OUTPUT_ASCII): Likewise.
13272 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13273 output_mi_thunk, output_toc): Likewise.
13275 * rs6000/rs6000.md (movsi): Likewise.
13277 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13279 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13281 * v850/v850.c (print_operand, print_operand_address,
13282 v850_encode_data_area): Likewise.
13284 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13286 * config/mips/mips.md (zero_extendsidi2): Always force operand
13287 one to memory for mips16.
13289 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13291 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13292 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13293 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13294 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13295 (min_precision): Result is unsigned.
13296 (add_double, neg_double, mul_double): Low word is unsigned.
13297 (lshift_double, rshift_double, lrotate_double): Likewise.
13298 (rrotate_double, div_and_round_double): Likewise.
13299 (tree_floor_log2, compare_tree_int): New functions.
13300 (preserve_rtl_expr_temps): New declaration.
13301 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13302 (decl_attributes): Use tree_log2 to find alignment.
13303 Check for TREE_INT_CST_HIGH for format args.
13304 (min_precision): Now unsigned.
13305 Use tree_floor_log2.
13306 (truthvalue_conversion): Delete long-disabled code.
13307 * c-decl.c (finish_struct): Clean up tests on field width.
13308 (finish_function): Use compare_tree_int.
13309 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13310 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13311 (default_conversion, digest_init): Use compare_tree_int.
13312 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13313 Fix type errors in forming masks.
13314 * calls.c (initialize_argument_information): Use compare_tree_int.
13315 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13316 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13317 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13318 (store_field): Use compare_tree_int.
13319 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13320 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13321 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13322 (do_store_flag): Use compare_tree_int.
13323 * fold-const.c (encode, decode): Low part is always unsigned.
13324 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13325 (lshift_double, rshift_double, lrotate_double): Likewise.
13326 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13327 (fold_convert): Use compare_tree_int.
13328 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13329 (invert_truthvalue, case INTEGER_CST): Likewise.
13330 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13331 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13332 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13333 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13335 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13336 (expand_end_case): Use compare_tree_int.
13337 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13338 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13339 (layout_decl): Likewise.
13340 (layout_record, layout_union): Make sizes unsigned.
13341 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13342 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13343 * tree.c (struct type_hash): hashcode is unsigned.
13344 (build_type_attribute_variant, type_hash_list): Likewise.
13345 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13346 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13347 (build_complex_type): Likewise.
13348 (real_value_from_int_cst): Remove unneeded casts.
13349 (integer_all_onesp): Add casts.
13350 (tree_floor_log2, compare_tree_int): New functions.
13351 (build_index_type): Use tree_int_cst_sgn.
13352 * varasm.c (assemble_variable): Use compare_tree_int.
13354 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13356 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13358 * varasm.c (make_decl_rtl): Don't add a number to members of
13360 (make_function_rtl): Likewise.
13362 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13364 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13365 patch from 2000-01-28.
13367 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13369 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13370 filled with an insn from the jump target.
13372 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13374 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13375 (c4x_external_ref): Likewise.
13376 * config/c4x/c4x.c (struct name_list): Likewise.
13378 1999-12-16 Ben Collins <bcollins@debian.org>
13380 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13381 argument to genmultilib.
13382 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13383 the contents into the multilib.h header.
13384 * gcc.c: Declare multilib_exclusions for the specs file.
13385 (set_multilib_dir): Use it.
13386 (print_multilib_info): Likewise.
13387 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13388 to pass to genmultilib.
13390 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13392 * builtins.c (built_in_class_names, built_in_names): Constify a
13395 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13397 (_mcleanup): Ensure value matches format specifier in sprintf.
13399 * cpphash.c (special_symbol): Don't needlessly cast away
13402 * cppinit.c (base_name): Delete unused prototype.
13404 * mkdeps.c (deps_init): Make definition K&R safe.
13406 * tree.h (built_in_class_names, built_in_names): Constify a
13409 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13411 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13412 floating point instructions for epilogue delay.
13414 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13415 to gas if it supports .register pseudo.
13417 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13418 LONG_DOUBLE_TYPE_SIZE if not defined.
13419 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13420 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13421 * real.c: Likewise.
13422 * gengenrtl.c: Likewise.
13423 * print-rtl.c: Likewise.
13425 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13426 MASK_LONG_DOUBLE_128.
13427 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13428 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13429 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13430 (SUBTARGET_SWITCHES): Define.
13431 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13432 with -mlong-double-128.
13433 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13434 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13435 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13436 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13437 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13438 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13439 with -mlong-double-128.
13440 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13441 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13442 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13443 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13444 TARGET_LONG_DOUBLE_128): Define.
13445 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13446 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13447 long double on TARGET_ARCH64.
13449 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13451 * function.c (free_temps_for_rtl_expr): Don't free slots
13452 that have been pushed into a higher level.
13455 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13457 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13459 * basic-block.h (ALLOCA_REG_SET): Remove.
13460 (INITIALIZE_REG_SET): New macro.
13461 * flow.c (update_life_info): Use it.
13462 (calculate_global_regs_live): Likewise.
13463 (propagate_block): Likewise.
13464 * global.c (build_insn_chain): Likewise.
13465 * haifa-sched.c (schedule_region): Likewise.
13467 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13469 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13470 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13471 (DWARF_ARANGES_PAD_SIZE): New define.
13472 (output_aranges): Use it to pad the address range header.
13473 (DWARF_ROUND): Fix for non power of 2 rounding.
13475 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13477 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13479 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13481 * tree.def (RTL_EXPR): Update documentation.
13482 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13483 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13484 * function.c (preserve_rtl_expr_temp): New function.
13485 (preserve_rtl_expr_temps): Likewise.
13486 (preserve_rtl_expr_result): Use it.
13489 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13491 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13493 * regmove.c (copy_src_to_dest) Do not create src->dest move
13494 for unchanging destination.
13496 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13498 * function.h (struct sequence_stack): Remove rtl_expr.
13499 (struct emit_staus): Likewise.
13500 (seq_rtl_expr): Remove.
13501 * tree.h (free_temps_for_rtl_expr): Don't declare.
13502 (start_sequence_for_rtl_expr): Likewise.
13503 * rtl.h (preserve_rtl_expr_result): Likewise.
13504 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13505 (start_sequence_for_rtl_expr): Remove.
13506 (push_topmost_sequence): Don't save sequence_rtl_expr.
13507 (pop_topmost_sequence): Remove comment about not restoring it.
13508 (end_sequence): Don't set seq_rtl_expr.
13509 (init_emit): Don't initialize it.
13510 (mark_sequence_stack): Don't mark it.
13511 (mark_emit_status): Likewise.
13512 * except.c (protect_with_terminate): Use
13513 start_sequence_for_rtl_expr, not start_sequence.
13514 * expr.c (expand_expr, case RTL_EXPR): Don't call
13515 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13516 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13517 (preserve_rtl_expr_result): Remove.
13518 (free_temps_for_rtl_expr): Likewise.
13519 (pop_temp_slots): Likewise.
13520 (mark_temp_slot): Don't mark the rtl_expr.
13521 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13522 start_sequence_for_rtl_expr.
13524 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13526 * mkdeps.c, mkdeps.h: New files.
13527 * po/POTFILES.in: Add them.
13528 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13529 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13530 (mkdeps.o): New target.
13532 * cppfiles.c: Delete deps_output.
13533 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13534 OBJECT_SUFFIX, and base_name.
13535 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13537 (initialize_dependency_output): Use deps_init,
13538 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13539 all the unnecessary string bashing.
13540 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13542 * cpplib.c (do_include): Use deps_add_dep.
13543 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13544 deps_allocated_size, deps_size, deps_column members with
13545 single pointer to a struct deps. Delete prototype of
13548 * cppinit.c: Fix thinko in previous patch.
13550 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13552 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13553 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13554 (mode_for_size_tree): New function.
13555 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13556 * tree.h (mode_for_size_tree): New declaration.
13558 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13560 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13562 * stmt.c (is_body_block): Move...
13563 * dwarfout.c, dwarf2out.c: ...from here.
13564 * tree.h: Declare it.
13565 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13566 * final.c (final_start_function): Do call remove_unnecessary_notes
13569 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13571 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13573 * cpplib.h (_dollar_ok): New macro.
13574 (is_idchar, is_idstart): Use it.
13575 (IStable): Rename to _cpp_IStable. Declare it const if
13576 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13577 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13578 is_space): Update for renamed IStable.
13580 * cppinit.c: Delete all references to FAKE_CONST and CAT
13581 macros. Define init_IStable as empty macro if gcc >=2.7 or
13582 C99. Change TABLE() to ISTABLE and hardcode name of table.
13583 (cpp_start_read): Don't change the IStable based on
13586 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13587 changed. Handle '$' for char1 correctly.
13588 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13590 * cppexp.c (tokentab2): Make const.
13591 (cpp_lex): Make toktab const.
13592 * cppinit.c (include_defaults_array): Make const.
13593 (initialize_standard_includes): Make default_include const.
13595 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13597 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13598 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13599 (gen_decl_die): Likewise.
13600 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13601 (output_decl): Likewise.
13603 * varasm.c (make_function_rtl): If we change the name used in the
13604 rtl, update DECL_ASSEMBLER_NAME accordingly.
13605 (make_decl_rtl): Likewise.
13607 * toplev.c (rest_of_compilation): Tweak formatting.
13609 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13610 remove_unnecessary_notes.
13611 (debug_ignore_block): New fn.
13612 * toplev.h: Declare it.
13613 * emit-rtl.c (remove_unncessary_notes): Call it.
13614 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13615 * dwarf2out.h: Declare it.
13616 * final.c (final_start_function): Don't call remove_unnecessary_notes
13617 if we did insn scheduling.
13619 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13621 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13622 * cpplib.h: Delete SET_CPP_PEDANTIC.
13624 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13626 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13627 result is a RECORD_TYPE.
13629 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13631 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13633 2000-03-03 Richard Henderson <rth@cygnus.com>
13635 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13636 addition over compliments over shifts.
13638 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13640 * reload1.c (reload_combine_note_use): Handle return register USEs.
13641 REG case: Handle multi-hard-register hard regs.
13643 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13645 * md.texi: Document use of '*' in insn pattern name.
13647 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13649 * calls.c (special_function_p): operator new may not be malloc-like.
13651 * gcse.c (dump_hash_table): Really fix error in last change.
13653 2000-03-02 Denis Chertykov <denisc@overta.ru>
13655 * avr.c (print_operand): Use print_operand_address instead of
13657 * avr/libgcc.S: Cleanup code.
13659 2000-03-02 Richard Henderson <rth@cygnus.com>
13661 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13663 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13665 * tree.h (TYPE_ALIGN_UNIT): New macro.
13667 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13669 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13671 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13673 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13675 (SET_CPP_PEDANTIC): New macro.
13676 * cpplib.c (do_include): Don't bother checking system_header_p.
13677 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13678 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13680 * function.h (struct expr_status): Add x_arg_space_so_far.
13681 (arg_space_so_far): New macro.
13682 * expr.c (init_expr): Initialize it.
13683 * calls.c (emit_call_1): Reset it.
13684 (compute_argument_block_size, expand_call): Use it.
13685 (expand_call, store_one_arg): Increment it.
13687 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13689 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13692 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13694 * cppfiles.c (cpp_read_file): New function.
13696 * cpphash.c (collect_expansion): Make sure to reset last_token
13697 to NORM when we hit a string. Handle trailing whitespace
13698 properly when the expansion is empty.
13699 (create_definition): Disable line commands while parsing the
13701 (dump_definition): If pfile->lineno == 0, output a line
13702 command ahead of the dump, and add a trailing newline.
13704 * cppinit.c (append_include_chain): Add fifth argument, which
13705 indicates whether or not system headers are C++ aware.
13706 (initialize_standard_includes): New function,
13707 broken out of read_and_prescan. Pass 'cxx_aware' value from
13708 the include_defaults_array on to append_include_chain.
13709 (dump_special_to_buffer): Const-ify char array.
13710 (builtin_array): Don't dump __BASE_FILE__.
13711 (cpp_start_read): Use cpp_read_file. Reorder code for
13712 clarity. Don't output line commands here for -D/-A/-U
13713 switches. Don't call deps_output for files included with
13714 -include or -imacros.
13716 * cpplib.c (do_define): Don't pay any attention to the second
13718 (cpp_expand_to_buffer): Disable line commands while scanning.
13719 (output_line_command): Work in the file buffer.
13720 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13721 Fix formatting of comments. Prototype cpp_read_file.
13723 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13725 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13726 reference the language-equivalent of sizetype.
13727 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13728 * fold-const.c (size_binop, size_diffop): Put back checks.
13729 * gcse.c (dump_hash_table): Fix minor error in last change.
13730 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13731 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13734 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13736 * calls.c (expand_call) Do not attempt to combine stack adjustments
13737 with inhibit_defer_pop set.
13739 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13741 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13742 the DECL_SIZE for a FIELD_DECL.
13744 2000-03-01 Bruce Korb <bkorb@gnu.org>
13746 * fixinc/inclhack.tpl: remove unused symlinks
13747 * fixinc/README: GCC Maintainer info
13748 * fixinc/inclhack.sh: regen
13749 * fixinc/fixincl.sh: regen
13751 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13753 * cpphash.c (collect_expansion): Trim trailing white space
13754 from macro definitions, but don't go past the last insertion
13757 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13759 * i386.md (mulqi3): New pattern.
13761 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13763 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13765 (struct cpp_reader): Add parsing_if_directive and
13766 parsing_define_directive flags.
13767 (struct cpp_options): Remove output_conditionals flag.
13768 (check_macro_name): Delete prototype.
13770 * cpphash.h (struct macrodef): Delete.
13771 (struct reflist): Separate from struct definition.
13772 (struct definition): Remove unused fields. Add column number.
13773 (create_definition): Returns a DEFINITION *. Takes a
13774 cpp_reader * and an int.
13776 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13777 (PEEKC): Copy defn from cpplib.c.
13778 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13780 (struct arglist): Simplify.
13781 (collect_expansion): Rewrite. Get tokens by calling
13782 cpp_get_token. Add more error checking.
13783 (collect_formal_parameters): New function, broken out of
13784 create_definition and reworked to use get_directive_token.
13785 (create_definition): All real work is now in collect_expansion
13786 and collect_formal_parameters. do_define handles finding the
13787 macro name. Return a DEFINITION, not a MACRODEF.
13788 (macroexpand): Replace bcopy with memcpy throughout. Replace
13789 character-at-a-time copy loop with memcpy and pointer increments.
13790 (compare-defs): d1->argnames / d2->argnames might be null.
13792 * cpplib.c (copy_rest_of_line): Delete function.
13793 (skip_rest_of_line): Do all the work ourselves.
13794 (skip_string): New function.
13795 (parse_string): Use skip_string.
13796 (get_macro_name): New function.
13797 (check_macro_name): Delete.
13798 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13799 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13800 (handle_directive): ICE if we're called on a macro buffer.
13801 (do_define): Determine macro name and type (funlike/objlike)
13802 here. Expunge all uses of MACRODEF.
13803 (cpp_push_buffer): Set line_base to NULL.
13804 (do_undef, read_line_number): Don't worry about getting a POP token.
13805 (eval_if_expression): Set/reset parsing_if_directive around
13806 cpp_parse_expr. Don't clear only_seen_white.
13807 (skip_if_group): Remove output_conditionals logic. Use
13809 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13810 tokens under appropriate conditions.
13811 (cpp_unassert): Call do_unassert not do_assert. Oops.
13813 * cppexp.c (parse_defined): New function, break out of
13815 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13816 ourselves, with cpp_defined.
13817 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13819 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13820 * gcc.dg/strpaste-2.c: New.
13822 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13824 * fold-const.c (size_binop): Don't asert inputs are the same and
13825 have TYPE_IS_SIZETYPE set.
13826 (size_diffop): Likewise.
13828 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13830 * dwarfout.c (output_block): Output abstract blocks even if they
13831 don't have TREE_ASM_WRITTEN set.
13833 * calls.c (emit_library_call): Check for null REG.
13835 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13837 * c-decl.c (current_function_decl): Move to toplev.c.
13838 (init_decl_processing): Don't add current_function_decl as a ggc
13840 * dbxout.c (dbxout_symbol): Change return type to int.
13841 (dbxout_symbol_location, dbxout_syms): Likewise.
13842 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13843 any locals. Use current_function_func_begin_label if set.
13844 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13845 * dwarf2out.c (dwarf2out_begin_prologue): Set
13846 current_function_func_begin_label.
13847 * final.c (final_start_function): Reset it.
13848 * toplev.c (current_function_decl): Define it here.
13849 (current_function_func_begin_label): New variable.
13850 (main): Add both as ggc roots.
13851 * tree.h (current_function_func_begin_label): Declare.
13853 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13855 * gcse.c: Cleanups throughout: mostly white-space, but also
13856 some minor rearrangement of code.
13858 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13860 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13861 returns a PARALLEL. Use emit_group_load and use_group_regs
13863 (emit_library_call_value): Similarly.
13865 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13866 * pa/quadlib.asm: Remove.
13867 * pa/quadlib.c: New file.
13869 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13870 * configure: Rebuilt.
13872 2000-02-29 Philip Blundell <pb@futuretv.com>
13874 * config/arm/conix-elf.h: New file.
13875 * configure.in (arm*-*-conix*): New configuration.
13876 * configure: Regenerate.
13878 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13880 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13881 don't have TREE_ASM_WRITTEN set.
13883 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13885 * Eliminate DECL_FIELD_SIZE.
13886 * builtins.c (built_in_class_names, built_in_names): New variables.
13887 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13888 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13889 DECL_SIZE, not DECL_FIELD_SIZE.
13890 * print-tree.c (print_node): Remove code that prints extra blank
13891 lines in some cases.
13892 Properly handle inline and builtin function cases.
13893 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13894 * tree.h (built_in_class_named, built_in_names): New declarations.
13895 (union tree_decl): Rename internal unions to u1 and u2 and change
13896 some of their components.
13897 Add new field built_in_class.
13898 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13899 Reflect above changes.
13900 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13901 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13902 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13903 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13905 2000-02-28 Dmitri Makarov <dim@windriver.com>
13907 * extend.texi: Document ARM's support for long/short calls.
13909 * invoke.texi: Document ARM's -mlong-calls command line switch.
13911 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13912 (arm_encode_call_attribute): Add prototype.
13913 (arm_set_default_type_attribute): Add prototype.
13914 (arm_strip_name_encoding): Add prototype.
13916 * config/arm/arm.c (arm_init_cumulative_args): replace
13917 initialisation og 'long_calls' field with initialisation of
13918 'call_cookie' field.
13919 (enum arm_pragma_enum): New enum.
13920 (arm_pragma_long_calls): New static variable.
13921 (arm_process_pragma): Also process "#pragma long_calls_off".
13922 (arm_valid_type_attribute_p): Accept short_call attribute.
13923 (arm_comp_type_attributes): Check long/short call attributes.
13924 (arm_encode_call_attribute): New function: Encode long_call
13925 or short_call attribute in function name.
13926 (arm_set_default_type_attributes): New function: Assign
13927 default attributes to newly defined type.
13928 (current_file_function_operand): New function: Return true if
13929 the symbol is a function which has already been compiled.
13930 (arm_is_longcall_p): New function: Return true if the
13931 indicated function should be called via a long call.
13932 (arm_get_strip_length): New function. Returns number of
13933 prefix characters to be stripped from a function's name.
13934 (arm_strip_name_encoding): New function. Strip prefix characters
13935 from a function's name.
13937 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
13938 with 'call_cookie'.
13939 (SHORT_CALL_FAG_CHAR): Define.
13940 (LONG_CALL_FAG_CHAR): Define.
13941 (ENCODED_SHORT_CALL_ATTR_P): Define.
13942 (ENCODED_LONG_CALL_ATTR_P): Define.
13943 (ARM_NAME_ENCODING_LENGTHS): Define.
13944 (STRIP_NAME_ENCODING): Define.
13945 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
13946 (ARM_ENCODE_CALL_TYPE): Define.
13947 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
13948 (ARM_DECLARE_FUNCTION_SIZE): Define.
13949 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
13951 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
13952 if a long call is needed.
13953 (call_value): Ditto.
13954 (call_symbol): Ditto.
13956 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
13957 ARM_DECLARE_FUNCTION_SIZE.
13959 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
13960 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
13961 (ARM_STRIP_NAME_ENCODING): Undefine.
13962 (STRIP_NAME_ENCODING): Undefine.
13963 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
13964 (ASM_DECLARE_FUNCTION_NAME): Ditto.
13965 (ASM_OUTPUT_COMMON): Ditto.
13966 (ASM_DECLARE_OBJECT_NAME): Ditto.
13968 * config/arm/pe.c (arm_dllexport_name_p): Check for
13970 (arm_dllimport_name_p): Ditto.
13971 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
13972 (arm_mark_dllimport): Ditto.
13974 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13976 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
13978 2000-02-28 Mark Mitchell <mark@codesourcery.com>
13980 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
13982 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
13984 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
13985 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
13986 NO_BUILTIN_WCHAR_TYPE is not defined.
13987 (CPP_WCHAR_TYPE): Delete.
13988 * cccp.c (main): Don't change wchar_type if cplusplus.
13989 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
13991 2000-02-28 Nick Clifton <nickc@cygnus.com>
13993 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
13995 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
13997 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
13998 (ASM_WEAKEN_LABEL): Define.
14000 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
14002 * expr.c (store_constructor): Do not emit USE.
14003 * rtl.h (stupid_life_analysis): Remove.
14005 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14007 * function.c (number_blocks): Reset next_block_index based on
14008 what debugging format is used, not what is defined.
14010 * lcm.c: Minor reformatting throughout.
14011 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
14013 * toplev.c (rest_of_compilation): Account for time in
14014 optimize_mode_switching.
14016 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
14017 if only marking labels.
14019 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
14021 * calls.c (expand_call): Attempt to combine stack adjustments with
14022 pending stack adjustments.
14024 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14026 * loop.c (reg_in_basic_block_p): Don't abort when falling through
14027 to the end of the function.
14029 2000-02-27 Mark Mitchell <mark@codesourcery.com>
14031 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
14033 * final.c (next_block_index): Remove.
14034 (max_block_depth): Likewise.
14035 (pending_blocks): Likewise.
14036 (init_final): Don't initialize them.
14037 (final_start_function): Don't set next_block_index. Set up
14039 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
14040 * function.h (number_blocks): New function.
14041 * function.c (get_block_vector): New function.
14042 (identify_blocks): Use it.
14043 (reorder_blocks): Set NOTE_BLOCK.
14044 (number_blocks): New function.
14045 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
14046 * tree.h (BLOCK_NUMBER): New macro.
14047 (tree_block): Add block_num field.
14048 * dbxout.c (next_block_number): Remove.
14049 (dbxout_init): Don't set it.
14050 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
14051 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
14053 * toplev.c (rest_of_compilation): Always call
14054 find_loop_tree_blocks. Fix indentation.
14055 * dwarf2out.c (next_block_number): Remove.
14056 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14057 to determine block numbers.
14058 (gen_inlined_subroutine_die): Likewise.
14059 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
14060 (decls_for_scope): Don't increment next_block_number.
14061 * dwarfout.c (next_block_number): Remove.
14062 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14063 to determine block numbers.
14064 (output_inlined_subroutine_die): Likewise.
14065 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
14066 (output_decls_for_scope): Don't increment next_block_number.
14067 * sdbout.c (next_block_number): Remove.
14068 (sdbout_block): Use BLOCK_NUMBER.
14069 (sdbout_begin_block): Simplify.
14070 * xcoffout.c (next_block_number): Remove.
14071 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
14072 (xcoffout_begin_block): Don't set next_block_number.
14073 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
14076 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14078 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
14079 (expand_builtin_strcpy): Pass correct type to size_binop.
14080 (expand_builtin_strcmp): Likewise.
14081 Clean up conditional structure.
14082 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
14083 (complete_array_type): Don't use size_binop for MAXINDEX.
14084 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
14085 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
14086 (c_alignof): Use size_one_node.
14087 (build_unary_op): Pass arg of proper type to size_binop.
14088 (really_start_incremental_init, push_init_level): Use sizetype for
14089 constructor{,_bit,_unfilled}_index.
14090 (pop_init_label, output_init_element): Likewise.
14091 (output_pending_init_elements, process_init_element): Likewise.
14092 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
14093 * expr.c (store_expr): Use size_int.
14094 (store_constructor): Use proper types for size_binop args.
14095 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
14096 (expand_expr_unaligned): Likewise.
14097 (string_contant): Return object of sizetype.
14098 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
14099 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
14100 (ARGS_SIZE_TREE): Pass proper types to size_binop.
14101 * fold-const.c (int_const_binop): Refine when size_int is called.
14102 (fold_convert): Likewise.
14103 (size_int_wide): Rework to take KIND as arg, only take low order
14104 bits, handle new sizetype_tab datatype, and chain entries in
14106 (size_int_type_wide): New function.
14107 (size_binop): Validate types of arguments.
14108 (ssize_binop): Deleted.
14109 (size_diffop): New function.
14110 (extract_muldiv): Only fold division into multiplication for sizetypes.
14111 * function.c (assign_parms): Use size_diffop and make sure
14112 VAR field is of ssizetype; also pass proper type to size_binop.
14113 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
14114 (round_down): Deleted from here.
14115 * store-layout.c (sizetype_tab): Now an array.
14116 (sizetype_set, early_root_list): New variables.
14117 (variable_size): Use size_one_node.
14118 (round_up): Pass proper type to size_binop.
14119 (round_down): Moved to here and corrected as above.
14120 (layout_record): Pass proper arg types to size_binop.
14121 (layout_type): Likewise.
14122 If sizetype_set is zero, record the type just laid out.
14123 (make_unsigned_type): Don't call set_sizetype;
14124 (make_signed_type): Likewise; also, call fixup_signed_type.
14125 (initialize_sizetypes): New function.
14126 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14127 set name of bitsizetype to "bit_size_type".
14128 Fix up type of sizes of all types made before call.
14129 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14130 * tree.c (fix_sizetype): Deleted.
14131 (build_common_tree_nodes): Call initialize_sizetypes.
14132 (build_common_tree_nodes_2): Don't call fix_sizetype.
14133 * tree.h (TYPE_IS_SIZETYPE): New macro.
14134 (initialize_sizetype): New declaration.
14135 (enum size_type_kind): New type.
14136 (struct sizetype_tab): Deleted.
14137 (sizetype_tab): Now array; adjust sizetype macros.
14138 (size_diffop, size_int_type_wide): New functions.
14139 (size_int_wide): Change number of args and type; access macros changed.
14140 (ssize_int, sbitsize_int): New macros.
14141 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14142 (ROUND_TYPE_SIZE_UNIT): New macro.
14144 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14146 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14148 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14150 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14151 Mark as possibly unused.
14153 * cse.c (cse_insn): Delete dead code involving tablejump.
14154 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14156 * Makefile.in (libcpp.a): Start by deleting it.
14158 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14160 * cpplib.h (enum file_change_code): Added rename_file.
14161 * cpplib.c (do_line): If a filename is given, set file_change to
14163 (output_line_command): If file_change is rename_file, always
14164 output a # directive with the file name.
14166 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14168 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14170 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14171 when copying a PARM_DECL or RESULT_DECL.
14173 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14175 * fix-header.c (recognized_function): Also fix prototypes for
14176 functions taking "void".
14178 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14180 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14181 looking at reg_reloaded_contents.
14183 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14185 * Makefile.in (STMP_FIXINC): New toggle.
14186 (LIBGCC2_DEPS): Delete all references.
14187 (stmp-headers): Delete target. All references either deleted
14188 or changed to stmp-int-headers.
14189 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14190 (LIBCPP_OBJS): Take out cppalloc.o.
14191 (cppalloc.o): Delete target.
14192 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14193 (gen-protos, fix-header): Link with libiberty.a.
14194 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14197 * configure.in: Remove refs to strerror.
14198 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14199 * system.h: Take out strerror stanza.
14201 * cpperror.c (my_strerror): Delete function.
14202 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14203 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14204 * cppalloc.c: Delete file.
14205 * gen-protos.c: Don't provide xrealloc.
14207 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14208 xstrerror throughout.
14210 2000-02-26 Bruce Korb <bkorb@gnu.org>
14212 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14213 match for DOS headers, too.
14214 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14216 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14218 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14219 is right for most ELF targets.
14220 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14221 Let the default file use %U properly.
14222 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14225 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14228 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14230 * toplev.c (documented_lang_options): Correct spelling error.
14231 (decode_d_option, decode_f_option, main): Likewise.
14233 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14235 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14236 to tell assembler it is permitted to expand large constants.
14238 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14240 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14241 (aux_info_suffix): Use.
14242 (SAVE_SUFFIX): New macro.
14243 (save_suffix): Use.
14244 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14245 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14246 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14248 * invoke.texi (Running Protoize): Update documentation.
14250 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14252 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14254 2000-02-25 John Wehle (john@feith.com)
14256 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14258 2000-02-25 Anthony Green <green@cygnus.com>
14260 * toplev.c (rest_of_compilation): Rebuild jump labels if
14261 combine_instructions has created a new direct jump.
14262 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14264 (combine_instructions): Call try_combine with new argument.
14265 Return non-null value when new direct jump instruction is created.
14266 * rtl.h: combine_instructions returns an int.
14268 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14270 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14271 jump when changing a computed jump into a jump to a known
14274 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14276 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14277 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14279 * i386.md (define_expand "clrstrsi"): Fix typo.
14281 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14283 * rtl.texi: Fix typo.
14285 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14287 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14288 UNITS_PER_WORD. Change caller initial_elimination_offset.
14289 (rounded_frame_size): Take into account that argument pushed has
14290 changed. Fix TARGET_ALIGN_DOUBLE problem.
14292 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14294 * haifa-sched.c (schedule_block): Explain the real reason
14295 we delete REG_SAVE_NOTEs on the first insn of a block.
14296 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14298 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14300 * input.h (push_srcloc): New function.
14301 (pop_srcloc): Likewise.
14302 * toplev.c (push_srcloc): Define it.
14303 (pop_srcloc): Likewise.
14305 2000-02-24 Richard Henderson <rth@cygnus.com>
14307 * flow.c (life_analysis): When collecting reg info, clear
14310 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14312 Fix bug exposed by reload.c no longer rounding the frame
14313 size to BIGGEST_ALIGNMENT:
14314 * sh.c (rounded_frame_size): New function.
14315 (sh_expand_prologue, sh_expand_epilogue): Use it.
14316 (initial_elimination_offset): Likewise.
14318 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14320 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14321 * sh-protos.h (sh_need_epilogue): Declare.
14322 * sh.c (sh_need_epilogue_known): New static variable.
14323 (sh_need_epilogue): New function.
14324 (function_epilogue): Clear need_epilogue_known.
14325 * sh.md (return): Split into expander / insn pattern.
14326 Make the expander conditional on ! sh_need_epilogue ().
14328 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14330 * machmode.h (get_mode_alignment): Declare.
14331 (GET_MODE_ALIGNMENT): Call it.
14332 * stor-layout.c (get_mode_alignment): New function. Make
14333 sure alignment is always power of 2.
14335 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14337 * i386.h: Remove useless definition of "I386" and misleading
14340 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14342 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14343 under which TREE_PERMANENT will be set.
14344 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14345 build1): Use TREE_SET_PERMANENT.
14346 * print-tree.c (print_node): Don't report value of
14347 TREE_PERMANENT if ggc_p is true.
14349 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14350 decide whether to give a type a new alias set.
14351 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14352 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14353 of value of 'obstack'.
14356 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14358 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14360 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14362 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14363 * cpplib.c (cpp_get_token): Produce them.
14364 * cppexp.c (cpp_lex): Handle them.
14366 2000-02-23 Nick Clifton <nickc@cygnus.com>
14368 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14369 comment tests on type attributes.
14371 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14373 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14374 conform to documentation.
14375 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14376 to check for special cases.
14377 * sh-protos.h (sh_loop_align): Declare.
14378 * sh.c (sh_loop_align): Define.
14380 2000-02-22 Andrew Haley <aph@cygnus.com>
14382 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14383 (SIZE_TYPE): Is 32 bits when using -mgp32.
14384 (PTRDIFF_TYPE): Ditto.
14386 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14388 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14390 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14392 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14393 BIGGEST_FIELD_ALIGNMENT a constant.
14395 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14397 * dwarf2out.c (output_line_info): Put the marker for the end of
14398 the line number info at the actual end.
14399 (gen_struct_or_union_type_die): Use decl_function_context
14400 to check for local classes.
14401 * dwarfout.c (output_type): Likewise.
14403 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14405 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14406 for arguments with a mode, but no type.
14407 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14408 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14409 * pa/long_double.h: New file.
14410 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14411 both have 128bit wide long doubles.
14412 * configure: Rebuilt.
14414 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14416 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14418 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14419 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14420 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14422 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14424 * integrate.c (compare_blocks, find_block): Likewise.
14426 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14428 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14430 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14431 expand_asm_operands): Likewise.
14433 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14435 * predict.c (estimate_probability): Added the pointer heuristic to
14436 the collection of static branch predictors.
14438 2000-02-21 Catherine Moore <clm@cygnus.com>
14440 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14441 * invoke.texi (-mfix7000): Document.
14443 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14445 * diagnostic.c (init_output_buffer): Make it possible to output at
14446 least 32 characters if we're given a too long prefix.
14448 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14450 * varasm.c (initializer_constant_valid_p): Call
14451 lang_expand_constant to simplify the constant.
14453 2000-02-20 Bruce Korb <bkorb@gnu.org>
14455 * fixinc/inclhack.def(stdio_va_list):
14456 typedef needs to be disabled.
14457 * fixinc/inclhack.sh: regen
14458 * fixinc/fixincl.x: regen
14460 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14462 * print-rtl.c (print_rtx): Don't print addresses when
14463 flag_dump_unnumbered.
14465 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14467 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14469 (sparc_va_arg, sparc_flat_output_function_prologue,
14470 sparc_flat_output_function_epilogue): Cast value to unsigned in
14472 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14474 * sparc.md: Add default case in switch.
14476 2000-02-19 Richard Henderson <rth@cygnus.com>
14478 * c-typeck.c (add_pending_init): Don't abort for multiple
14479 fields at the same offset.
14480 (pending_init_member): Test the correct member.
14482 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14484 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14486 (start_catch_handler) : Same.
14488 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14490 * Makefile.in: Have flow.o depend on $(EXPR_H)
14492 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14494 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14495 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14496 (finish_decl): Remove -Wlarger-than code from here.
14497 * flags.h (id_clash_len): Now int.
14498 (larger_than_size): Now HOST_WIDE_INT.
14499 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14500 Clean up checking to see if in table.
14501 (make_bit_field_ref): Remove extra parm to bitsize_int.
14502 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14503 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14504 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14505 and for computing size of decl.
14506 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14507 Move -Wlarger-than code to here.
14508 (layout_record): Remove extra arg to bitsize_int.
14509 Set TYPE_BINFO_SIZE_UNIT.
14510 (layout_union): Remove extra arg to bitsize_int.
14511 Use proper type for size of QUAL_UNION.
14512 (layout_type): Remove extra arg to bitsize_int.
14513 * toplev.c (id_clash_len): Now int.
14514 (larger_than_size): Now HOST_WIDE_INT.
14515 (decode_W_option): Clean up id-clash and larger-than- cases.
14516 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14517 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14518 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14519 (struct tree_decl): New field size_unit.
14520 (size_int_wide): No HIGH operand; NUMBER is now signed.
14521 (size_int_2): Deleted.
14522 (size_int, bitsize_int): Don't use it and rework args.
14523 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14525 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14527 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14529 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14531 * invoke.texi (Warning Options): Add an explanation of why
14532 you might want the -Wfloat-equal flag.
14534 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14536 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14537 * cppinit.c (new_pending_define): Add cast to avoid warning.
14538 * expmed.c (extract_bit_field): Likewise.
14539 * flow.c (enum reorder_skip_type): New type.
14540 (skip_insns_between_blcok): New it.
14541 Rework to avoid warning about possibly undefined variable.
14542 * function.c (assign_parms): Make thisparm_boundary unsigned.
14543 * genrecog.c (write_switch): Cast XWINT result to int.
14544 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14545 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14546 one for MIPS and one for Alpha.
14547 (get_tag, copy_object): Add casts to avoid warnings.
14548 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14549 * reload.c (find_reloads): Make TYPE enum reload_type.
14550 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14551 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14552 * varasm.c (compare_constant_1): Add cast to avoid warning.
14553 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14555 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14556 Cast switch operand of size to int.
14557 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14558 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14561 2000-02-18 Nick Clifton <nickc@cygnus.com>
14563 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14564 anything for an alignment of zero.
14566 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14567 anything for an alignment of zero.
14569 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14571 * gcc.texi (Bug Reporting): Refer to bugs.html.
14572 (Bug Lists): Likewise.
14573 * system.h (GCCBUGURL): New preprocessor define.
14574 * rtl.c (fancy_abort): Use it.
14575 * gcc.c (main): Likewise.
14577 2000-02-18 Richard Henderson <rth@cygnus.com>
14579 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14580 (life_analysis_1): Subsume into ...
14581 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14582 Use update_life_info for the relaxation.
14583 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14584 entry and regs_live_at_setjmp.
14585 (set_noop_p): Simplify.
14586 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14587 (record_volatile_insns): Split into ...
14588 (delete_noop_moves): ... here,
14589 (notice_stack_pointer_modification): ... here,
14590 (insn_dead_p): ... and here.
14591 (propagate_block): Don't query INSN_VOLATILE.
14592 (mark_used_regs): Mind !PROP_REG_INFO.
14593 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14594 not in life_analysis.
14596 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14598 * loop.c (canonicalize_condition): New function,
14599 broken out of get_condition.
14600 (get_condition): Use it.
14601 * expr.h (canonicalize_condition): Prototype it.
14603 * tree.h (tree_int_cst_msb): Declare.
14604 * tree.c (tree_int_cst_msb): New function.
14606 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14608 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14611 * invoke.texi (-fmessage-length=n): Document.
14613 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14615 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14617 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14619 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14620 after the prologue.
14622 2000-02-17 Nick Clifton <nickc@cygnus.com>
14624 * config/arm/thumb.c: Replace includes of system headers with
14625 #include "system.h".
14627 2000-02-16 Richard Henderson <rth@cygnus.com>
14629 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14630 Add crtbeginS.o and crtendS.o.
14631 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14632 (ENDFILE_SPEC): Use crtendS.o.
14633 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14635 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14636 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14637 shared and present.
14638 (__dso_handle): New variable.
14639 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14640 bias to __CTOR_END__.
14642 2000-02-16 Richard Henderson <rth@cygnus.com>
14644 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14646 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14648 * longlong.h (__clz_tab): Declare as static to match definition.
14650 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14652 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14653 (XREF_FILE_NAME): Define.
14655 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14656 (EH_FRAME_SECTION_ASM_OP): Define.
14657 (IDENT_ASM_OP): Define.
14658 (TEXT_SECTION_ASM_OP): Define.
14659 (CPP_SPEC): Define.
14660 (CTORS_SECTION_ASM_OP): Define.
14661 (CTOR_SECTION_FUNCTION): Use it.
14662 (DTORS_SECTION_ASM_OP): Define.
14663 (DTOR_SECTION_FUNCTION): Use it.
14665 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14667 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14670 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14671 debug_bb_n): New functions.
14672 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14673 * basic-block.h: Prototype new functions.
14675 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14677 * configure.in: Add support for avr target.
14678 * configure: Rebuilt.
14680 * invoke.texi: Add AVR invocation docs.
14681 * install.texi: Add information about AVR.
14682 * md.texi: Add AVR constraint letters description.
14683 * extend.texi: Add description for AVR specific attributes.
14685 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14687 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14689 2000-02-16 Nick Clifton <nickc@cygnus.com>
14691 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14692 (make_insn_raw): Move RTL check here.
14694 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14696 * version.c: Include gansidecl.h and version.h.
14698 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14700 * configure.in (gcc_version): When setting, narrow search to
14701 lines containing `version_string'.
14703 * Makefile.in (mainversion): Likewise.
14704 (GCC_H): New variable.
14705 (gcc.h): Delete target.
14706 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14707 (version.o): Depend on version.h.
14708 (dbxout.o): Don't depend on gcc.h.
14710 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14711 Michael Meissner <meissner@cygnus.com>
14713 * md.texi (Simple Constraints): Add item about whitespace.
14714 * genoutput.c (strip_whitespace): New.
14715 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14716 strip_whitespace for constraints.
14717 Test pointer using NULL, not 0.
14719 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14721 * cpplib.c (do_line): Pedwarn for #line > 32767.
14723 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14725 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14727 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14728 to default cpp spec.
14729 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14730 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14733 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14736 2000-02-15 Denis Chertykov <denisc@overta.ru>
14738 * configure.in: Add support for avr target.
14740 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14742 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14743 (sh_addr_diff_vec_mode): Don't declare.
14744 * sh.c (sh_addr_diff_vec_mode): Delete.
14746 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14748 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14750 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14752 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14753 (smulsi3_highpart_i): Name.
14754 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14755 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14756 (smulsi3_highpart, umulsi3_highpart): Likewise.
14758 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14759 correctly independent of endianness.
14760 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14761 confuse the optimizers.
14762 (mulsidi3+1, umulsidi3+1): New define_split.
14764 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14766 * config/sh/sh.md: Guard insn splits against illegal registers.
14767 * config/sh/sh.h: Correct comment about macros.
14769 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14770 Andrew MacLeod <amacleod@cygnus.com>
14772 * Makefile.in (lcm.o): Depend on insn-attr.h.
14773 * basic-block.h (optimize_mode_switching): Declare.
14774 * lcm.c (tm_p.h, insn-attr.h): #include.
14775 (seginfo, bb_info): New structs.
14776 (antic, transp, comp, delete, insert) : New file-scope static variables.
14777 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14778 (reg_becomes_live, optimize_mode_switching): Likewise.
14779 * tm.texi: Add description of mode switching macros.
14780 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14782 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14783 (fldi_ok, fpscr_set_from_mem): New prototypes.
14784 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14785 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14786 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14787 (sh_flag_remove_dead_before_cse): Remove declaration.
14788 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14789 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14790 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14791 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14792 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14793 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14794 (fldi_ok): New function.
14795 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14796 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14797 (emit_df_insn): Likewise.
14798 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14799 (sh_flag_remove_dead_before_cse): Delete.
14800 (get_free_reg, fpscr_set_from_mem): New functions.
14801 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14802 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14804 2000-02-15 Loren Rittle <ljrittle@acm.org>
14806 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14808 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14810 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14811 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14813 * cccp.c: Include version.h and/or don't declare `version_string'.
14814 * collect2.c: Likewise.
14815 * alpha.c: Likewise.
14816 * arm/aof.h: Likewise.
14817 * arm/coff.h: Likewise.
14818 * arm/elf.h: Likewise.
14819 * arm/pe.h: Likewise.
14820 * arm/tcoff.h: Likewise.
14821 * arm/telf.h: Likewise.
14822 * arm/tpe.h: Likewise.
14823 * arm/vxarm.h: Likewise.
14824 * convex/convex.c: Likewise.
14825 * i386/dgux.c: Likewise.
14826 * i386/sun386.h: Likewise.
14827 * m88k/m88k.c: Likewise.
14828 * mcore/mcore-pe.h: Likewise.
14829 * mips/mips.h: Likewise.
14830 * romp/romp.h: Likewise.
14831 * sh/sh.c: Likewise.
14832 * cpphash.c: Likewise.
14833 * cppinit.c: Likewise.
14834 * dwarf2out.c: Likewise.
14835 * dwarfout.c: Likewise.
14838 * mips-tfile.c: Likewise.
14839 * protoize.c: Likewise.
14840 * toplev.c: Likewise.
14841 * tree.h: Likewise.
14843 * version.c (version_string): Constify a char*.
14845 * version.h: New file.
14847 2000-02-14 Nick Clifton <nickc@cygnus.com>
14849 * configure.in: Add mcore-elf and mcore-pe targets.
14850 * configure: Regenerate.
14852 * NEWS: Add note that MCore port has been contributed.
14854 * invoke.texi: Document command line switches for MCore port.
14855 * install.texi: Add MCore to list of supported targets.
14857 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14859 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14860 then we will need to import the frame handling functions.
14861 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14862 to import the frames themselves.
14864 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14865 Jason Eckhardt <jle@cygnus.com>
14867 * basic_block.h: Added prototype for reorder_basic_blocks.
14868 * toplev.c: Changes to add -freorder-blocks and graph dump after
14869 block reordering is done.
14870 * flow.c (reorder_block_def): New structure for use during block
14872 (REORDER_BLOCK_*): New macros to access members of above structure.
14873 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14874 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14875 functions for block reordering.
14877 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14879 * gcc.texi (Passes): Fix typo.
14880 * md.texi (Standard Names): Ditto.
14881 * tm.texi (Storage Layout): Ditto.
14883 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14885 * cpplib.c (do_define): Only free the old definition if it
14888 2000-02-13 Neil Booth <NeilB@earthling.net>
14890 * cppfiles.c (read_and_prescan): When emitting deferred
14891 newlines, test speccase[] again instead of checking each
14892 possible whitespace character in turn. When we encounter \r,
14893 look behind for \n first, then ahead.
14895 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14897 * cse.c (cse_altered): New internal flag.
14898 (cse_insn): Set it if we changed an insn.
14899 (cse_main): Clear cse_altered before each basic block.
14900 Only garbage collect if cse_altered is true afterward.
14902 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14904 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14906 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14908 * combine.c (simplify_comparison): Fix typo.
14910 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14912 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14915 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14917 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14918 previously inserted node instead of root node. Caller changed.
14920 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14922 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14924 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14926 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14927 __dereg_frame_dtor): Add prototype argument.
14929 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14931 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14933 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
14935 * gthr-vxworks.h (__gthread_once): Likewise.
14937 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
14939 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
14941 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
14942 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
14943 stack pointer in functions w/o saved registers, output LEAVE more often
14944 on TARGET_USE_LEAVE machines.
14946 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
14948 * config/arm/arm.c (arm_init_cumulative_args); New function:
14949 Initlaise the CUMULATIE_ARGS strcuture for a function
14951 (arm_function_arg): New function: Determine where to place a
14952 function's argument. Also handles deciding the function's
14954 (current_file_function_operand): New function: Return true if
14955 the symbol is a function which has already been compiled.
14956 (arm_is_long_call_p): New function: Return true if the
14957 indicated function should be called via a long call.
14958 (arm_valid_type_attribute_p): New function: Return true if the
14959 attribute is a valid, arm specific, attribute.
14960 (arm_comp_type_attribute): New function: Return true if the
14961 two types have compatable, arm specific, attributes.
14963 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
14965 (FUNCTION_ARG): Redefine to call arm_function_arg.
14966 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
14968 (INIT_CUMULATIVE_ARGS): Redefine to call
14969 arm_init_cumulative_args.
14970 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
14972 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
14974 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
14976 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
14977 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
14978 (COMP_TYPE_ATTRIBUTES): Define.
14980 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
14981 if a long call is needed.
14982 (call_value): Call arm_is_long_call_p to decide if a long call
14984 (call_symbol): Call arm_is_long_call_p to decide if a long call
14987 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
14989 2000-02-11 Denis Chertykov <denisc@overta.ru>
14991 * README.AVR: New file with information about the avr ports.
14992 * config/avr: New directory with avr port files.
14994 2000-02-11 Andreas Jaeger <aj@suse.de>
14996 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
14998 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
15000 * cpphash.c: Fix formatting, update commentary.
15001 (dump_definition): Take three separate arguments instead of a
15002 MACRODEF structure argument.
15003 * cpphash.h: Update prototype of dump_definition.
15004 * cppinit.c (cpp_finish): Update call of dump_definition.
15006 * cpplib.c (do_define): Always create new hash entry with
15007 T_MACRO type. Remove redundant check for redefinition of
15008 poisoned identifier. Update call of dump_definition.
15009 (do_undef): Don't call check_macro_name. Rename sym_length to
15011 (do_error, do_warning): Don't use copy_rest_of_line or
15013 (do_warning): Don't use pedwarn for the actual warning,
15014 only the notice about its not being in the standard. (Fixes
15015 bug with #warning in system headers.)
15016 (do_ident): Stricter argument checking - accept only a single
15017 string after #ident. Also, macro-expand the line.
15018 (do_xifdef): Use cpp_defined. De-obfuscate.
15020 (do_pragma): Split out specific pragma handling to separate
15021 functions. Use get_directive_token. Update commentary. Do
15022 not pass on #pragma once or #pragma poison to the front end.
15023 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
15024 do_pragma_default): New.
15026 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
15028 * jump.c (jump_optimize_1): The first operand in a relational
15029 can be a CONST_INT.
15030 * optabs.c (emit_conditional_move): Handle relationals which
15031 have a known true/false result.
15033 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15035 * function.c (thread_prologue_and_epilogue_insns): Don't insert
15036 a RETURN insn into a block which already ends with a jump.
15038 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15040 * haifa-sched.c (BUF_LEN): Increase a lot.
15042 2000-02-11 Nick Clifton <nickc@cygnus.com>
15044 * configure.in: Add tm_p_file specification for thumb targets.
15045 * configure: Regenerate.
15047 * config/arm/thumb-protos.h: New file: Prototypes for exported
15048 functions defined in thumb.c.
15050 2000-02-11 Robert Lipe <robertl@sco.com>
15052 * Makefile.in (bootstrap-lean): Remove additional files.
15053 (bootstrap2-lean): Likewise.
15054 (VOL_FILES): List of files for above.
15056 2000-02-11 Nathan Sidwell <nathan@acm.org>
15058 * cpphash.c (special_symbol): Remove spurious argument to
15061 2000-02-11 Joel Sherrill (joel@OARcorp.com>
15063 * configure.in: (i*86-*-rtems*): Swapped elf and coff
15065 * configure: Rebuilt.
15067 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
15069 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
15071 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
15073 * pa.c, pa.h: Remove trigraph sequences within comments.
15075 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
15077 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
15079 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
15081 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
15083 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15085 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
15087 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15089 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
15090 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
15091 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
15092 (ASM_FILE_END): Use c4x_file_end.
15093 * config/c4x/c4x.c (c4x_global_label): New function.
15094 (c4x_external_ref, c4x_file_end): Likewise.
15096 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
15097 (c4x_external_ref, c4x_end_file): Likewise.
15099 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
15101 * cppexp.c: Don't include cpphash.h.
15102 (parse_charconst, cpp_lex): Use cpp_defined.
15103 (cpp_lex): Use get_directive_token throughout. Remove
15104 unnecessary cases from switch. Move assertion-handling code
15105 down to OTHER case.
15106 (cpp_parse_expr): If we see '+' or '-', check the context to
15107 determine if they are unary or binary operators. Streamline
15108 the jumps a bit. Do not call skip_rest_of_line.
15110 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
15111 static. Export get_directive_token. Update commentary.
15112 (cpp_defined): New function.
15113 (do_define): Remove reference to T_PCSTRING. Call
15114 free_definition to release memory for old definition, when
15115 redefining a macro.
15116 (eval_if_expression): Set only_seen_white to 0 before calling
15117 cpp_parse_expr. Call skip_rest_of_line after it returns.
15118 (cpp_read_check_assertion): Don't preserve a pointer into the
15119 token buffer across a call to cpp_get_token.
15121 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15122 * cppfiles.c (redundant_include_p): Use cpp_defined.
15123 * cpphash.c (free_definition): New function.
15124 (delete_macro): Use it. Update commentary.
15125 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15127 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15128 from enum node_type. Prototype cpp_defined and get_directive_token.
15129 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15131 * fix-header.c (check_macro_names): Use cpp_defined.
15132 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15133 the options structure.
15135 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15137 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15139 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15141 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15142 rather than die->die_tag.
15144 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15146 * combine.c (make_extraction, force_to_mode): Avoid warning on
15147 mixed-signedness conditionals.
15148 (make_field_assignment, nonzero_bits): Likewise.
15149 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15150 (store_split_bit_field, extract_split_bit_field): Likewise.
15151 (extract_fixed_bit_field, store_bit_field,
15152 * expr.c: Change alignment to be unsigned everywhere.
15153 (move_by_pieces, store_constructor_field, store_constructor):
15154 Alignment parm is unsigned.
15155 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15156 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15157 (do_compare_rtx_and_jump): Likewise.
15158 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15159 Compare align with GET_MODE_ALIGNMENT.
15160 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15161 (get_inner_reference): Likewise.
15162 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15163 (expand_assignment): Local vars for alignment now unsigned.
15164 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15165 (do_compare_and_jump): Likewise.
15166 (store_field): Call new function expr_align.
15167 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15168 Alignment arg now unsigned.
15169 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15170 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15171 (extract_bit_field): Likewise.
15172 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15173 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15174 (get_best_mode): Alignment arg is unsigned.
15175 * rtl.h (move_by_pieces): Likewise.
15176 * store-layout.c (maximum_field_alignment, set_alignment):
15178 (layout_decl): Alignment arg is now unsigned.
15179 Remove unneeded casts.
15180 (layout_record, layout_union, layout_type): Remove unneeded casts.
15181 Local alignment variables now unsigned.
15182 (get_best_mode): Alignment arg now unsigned.
15183 * tree.c (expr_align): New function.
15184 * tree.h (expr_align): Likewise.
15185 (maximum_field_alignment, set_alignment): Now unsigned.
15186 (get_inner_reference): Alignment argument is now pointer to unsigned.
15187 * varasm.c (assemble_variable): Add cast to eliminate warning.
15189 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15191 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15192 then store directly into op0.
15194 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15195 the CALL_INSN, and emit the note immediately after it.
15197 2000-02-10 Nick Clifton <nickc@cygnus.com>
15199 * config/arm/thumb.md (epilogue): Include a (return) in the
15200 generated insn, and emit it using emit_jump_insn not
15203 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15205 * function.c (assign_temp): Change zero-sized arrays to size 1.
15206 * integrate.c (expand_inline_function): Do not update
15207 stack_alignment_needed
15208 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15209 add some sanity checking, remove optimization for function with
15212 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15214 * flow.c (mark_regs_live_at_end): Delete unused variables.
15216 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15218 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15219 in macro FRAME_GROWS_DOWNWARD.
15221 * stmt.c (expand_end_bindings): Delete unused variable.
15223 * unroll.c (iteration_info): Mark parameter `loop' with
15226 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15228 * fixinc/server.c (load_data): Return NULL if the marker line is
15230 (run_shell): If load_data returns NULL, retry the command once, in
15233 * configure: Rebuilt.
15235 2000-02-09 Bruce Korb <bkorb@gnu.org>
15237 * gcc/fixincludes: ** DELETED **
15238 * gcc/fixcpp: ** DELETED **
15239 * gcc/fixinc-nt.sed: ** DELETED **
15240 * gcc/just-fixinc: ** DELETED **
15241 * gcc/Makefile.in: Removed out-dated commentary
15242 * gcc/configure.in: Removed fast-fixincludes disablement.
15243 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15245 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15246 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15249 2000-02-09 Richard Henderson <rth@cygnus.com>
15251 * jump.c (delete_insn): Don't delete user labels at -O0.
15253 2000-02-09 Robert Lipe <robertl@sco.com>
15255 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15256 Don't link with HOST_LIBS.
15258 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15260 * configure.in: Correct --help text for --with-dwarf2.
15261 Put tm-dwarf2.h after other tm files, if it's requested.
15262 * configure: Regenerate.
15263 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15266 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15268 * cpplib.h: Provide HASHNODE typedef and forward decl of
15269 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15270 DEFINITION, struct hashnode, struct macrodef, struct
15271 definition, scan_decls prototype, default defn of
15272 INCLUDE_LEN_FUDGE moved elsewhere.
15274 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15275 definition, and struct hashnode moved here. Remove the unused
15276 'predefined' field from struct definition. Replace the 'args'
15277 union with its sole member. All users updated (cpphash.c).
15278 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15279 multiple include guard.
15281 * cpphash.c (hashf): Make static; use better algorithm; drop
15282 HASHSIZE parameter; return an unsigned int.
15283 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15284 used. Calculate HASHSIZE modulus here.
15285 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15287 (create_definition): Drop PREDEFINITION parameter.
15288 * cpplib.c (do_define): Don't calculate a hash value here.
15289 Don't pass (keyword == NULL) to create_definition.
15291 * scan.h: Prototype scan_decls here.
15292 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15293 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15294 callers of cpp_lookup and cpp_install updated.
15296 * cpphash.c (macarg): Hoist all the flag diddling out of the
15298 (macroexpand): ... and out of the loop that calls macarg.
15299 Skip over the initial paren before macro arguments with
15300 cpp_get_non_space_token; point may be some distance before
15301 that paren. Abort if it's not there.
15303 * cpplib.c (parse_clear_mark): Delete function.
15304 (parse_set_mark, parse_goto_mark): Make static.
15305 (ACTIVE_MARK_P): New macro.
15306 (skip_block_comment, skip_line_comment): Do not bump the line
15307 if ACTIVE_MARK_P is true.
15308 (cpp_pop_buffer): The buffer to be popped may not have an
15310 (cpp_get_token): When looking for the initial paren before
15311 macro arguments, only set a mark in a file buffer, Always
15312 return to that mark before proceeding to call macroexpand or
15313 return a NAME token.
15315 * cpplib.h: Remove prototypes of parse_set_mark,
15316 parse_clear_mark, parse_goto_mark.
15317 (struct cpp_options): Rename 'put_out_comments' to
15318 'discard_comments' and invert its sense.
15319 * cppinit.c, cpphash.c, cpplib.c: All users of
15320 put_out_comments changed to use discard_comments, with
15323 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15325 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15326 the edge from a block that both jumps and falls through to the
15329 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15331 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15332 constant source address is legitimate.
15334 2000-02-09 Philip Blundell <pb@futuretv.com>
15336 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15339 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15341 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15343 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15345 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15346 ends with a newline and a NUL. Don't be so clever manipulating
15349 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15351 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15352 not to BIGGEST_ALIGNMENT.
15354 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15356 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15357 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15358 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15359 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15360 * frame.c (execute_cfa_insn): Handle
15361 DW_CFA_GNU_negative_offset_extended.
15363 2000-02-08 Richard Henderson <rth@cygnus.com>
15365 * flow.c (tidy_fallthru_edges): Split out from ...
15366 (delete_unreachable_blocks): ... here.
15367 (find_basic_blocks): Use it.
15369 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15371 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15373 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15375 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15376 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15377 (fix-header.o): Don't depend on cpphash.h.
15379 * scan.c (hashstr): New function.
15380 * scan.h: Prototype it.
15381 * fix-header.c: Don't include cpphash.h. Use hashstr.
15382 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15383 hashstr. Report hash table statistics. Add private
15384 definition of xrealloc.
15386 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15388 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15390 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15392 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15393 jumps with returns unless they are jumps to the fallthru block.
15395 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15397 * i386.md (addqi3_cc): Fix contraints.
15399 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15401 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15403 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15405 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15406 carriage return after a macro name.
15408 2000-02-07 Fred Fish <fnf@be.com>
15410 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15411 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15413 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15415 * cppfiles.c (deps_output): Count spacers in deps_column.
15417 2000-02-07 Neil Booth <NeilB@earthling.net>
15419 * cppinit.c (initialize_dependency_output): If there is no
15420 suffix, don't try to look for known suffixes. Use strrchr.
15421 (cpp_start_read): Remove duplicate initialization.
15423 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15425 * calls.c (compute_argument_block_size): New argument
15426 preferred_stack_boundary.
15427 (expand_call): update cfun->preferred_stack_boundary, update call of
15428 compute_argument_block_size
15429 (emit_library_call): Increate cfun->preferred_stack_boundary
15430 to PREFERRED_STACK_BOUNDARY
15431 (emit_library_call_value): Likewise.
15432 * explow.c (allocate_dynamic_stack_spave): Likewise.
15433 * function.c (prepare_function_start): Set
15434 cfun->preferred_stack_boundary
15435 * function.h (struct function): Add preferred_stack_boundary field.
15436 * integrate.c (expand_inline_function): Update
15437 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15438 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15439 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15441 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15443 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15444 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15445 cpp_pedwarn, cpp_pedwarn_with_line,
15446 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15447 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15448 v_cpp_error_with_line, v_cpp_warning_with_line,
15449 cpp_message_from_errno, cpp_perror_with_name): Delete.
15451 * cpperror.c (cpp_print_containing_files): Take starting
15452 buffer as argument.
15453 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15454 (v_cpp_message): Now called directly by all entry points.
15456 (cpp_pfatal_with_name, cpp_message): Delete.
15457 (cpp_notice_from_errno, cpp_ice): New functions.
15458 (cpp_notice): Is now for reporting error conditions, just
15459 without an associated file.
15460 (cpp_error, cpp_error_with_line): Don't do anything if
15461 opts->inhibit_errors is on.
15462 (cpp_pedwarn_with_file_and_line): Take column argument also.
15464 * cpplib.h: Update prototypes of exported functions.
15465 (struct cpp_options): Add inhibit_errors.
15467 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15468 non-error messages. Include intl.h.
15470 * cppinit.c, cppmain.c: Likewise. Also, use
15471 cpp_notice_from_errno instead of cpp_perror_with_name or
15472 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15474 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15475 report internal errors.
15477 * cpplib.c (do_define): Switch bcopy to memcpy.
15478 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15480 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15481 bail out early if we hit a line comment.
15483 2000-02-06 Richard Henderson <rth@cygnus.com>
15485 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15486 * basic-block.h: Declare them.
15487 * emit-rtl.h (active_insn_p): New.
15488 (next_active_insn, prev_active_insn): Use it.
15489 * rtl.h: Declare it.
15490 * function.c (emit_return_into_block): New.
15491 (thread_prologue_and_epilogue_insns): Insert return insns instead
15492 of epilogues when possible.
15493 * jump.c (jump_optimize_1): Remove code to insert a return insn
15494 on the fallthru to the exit block.
15496 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15497 and for non-empty stack frames.
15498 * i386.md (return): Expand to return-pop as needed.
15500 2000-02-06 Richard Henderson <rth@cygnus.com>
15502 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15503 constant to op1 for testing.
15505 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15507 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15508 (fixuns_truncqfqi2): Use it.
15510 2000-02-06 Richard Henderson <rth@cygnus.com>
15512 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15513 as a TYPE_LEA insn.
15515 * i386.md (widening and peepholes): Mask the constant instead of
15518 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15520 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15521 input pointer before possibly branching off to the backslash
15523 * cpphash.c (macroexpand): Correctly delete \r escapes when
15524 stringifying parameters.
15525 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15526 if we can; bail out early if we hit a line comment.
15527 (handle_directive): Treat '# 123' in an .S file just like
15528 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15529 Return 1 for '# not_a_directive'.
15530 (get_directive_token): Pop macro buffers here, so that
15531 cpp_get_token can't sneakily move past a newline.
15533 (cpp_get_token): goto randomchar if handle_directive returns 0.
15535 * cppalloc.c: Update copyright.
15536 * cpplib.c: Merge all the static function prototypes into one
15538 * cpplib.h: Remove #if 0 block.
15540 * cpperror.c: Remove #ifdef EMACS block.
15541 * cppmain.c: Likewise.
15542 * cpphash.c: Remove #if 0 blocks.
15543 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15544 * cpplib.c: Remove #if 0 blocks and code referencing
15545 pcp_inside_if or for_lint. Remove duplicate error message.
15546 Fix error messages for #else after #else or #elif. Reformat.
15547 Remove archaic TODO list.
15548 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15550 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15552 * i386/osf1elf.h: Add missing backslash to multiline string.
15554 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15556 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15558 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15560 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15562 * c-common.c: Include expr.h.
15564 * c-pragma.c (mark_align_stack): Add prototype.
15566 * caller-save.c (add_stored_regs): Likewise.
15568 * combine.c (record_promoted_value): Likewise.
15570 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15573 * cppinit.c (new_pending_define): Likewise.
15575 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15577 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15578 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15579 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15580 class_scope_p): Likewise.
15582 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15583 dwarf2out_add_library_unit_info): Likewise.
15585 * ggc.h (ggc_page_print_statistics): Likewise.
15587 * haifa-sched.c (propagate_deps): Likewise.
15589 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15591 * rtl.h (set_stack_check_libfunc): Likewise.
15593 * toplev.h (set_fatal_function): Likewise.
15595 * toplev.c (set_fatal_function): Delete prototype.
15597 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15599 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15601 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15602 (FUNC_END): Likewise.
15604 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15606 * caller-save.c: Include tm_p.h.
15608 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15610 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15612 2000-02-04 Neil Booth <NeilB@earthling.net>
15614 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15617 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15619 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15620 * genflags.c: Use the max_operand_1 logic from genemit.c to
15621 calculate how many arguments gen_insn prototypes have. Remove
15622 NO_MD_PROTOTYPES ifdefs from the generated file.
15623 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15624 file. Cast gen_insn initializers to insn_gen_fn.
15625 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15626 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15628 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15630 * fixinc/Makefile.in (HDR): Add machname.h.
15633 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15635 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15636 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15637 (c4x_cpu_version): Ditto.
15638 * config/c4x/c4x-protos.h: ... here.
15640 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15642 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15643 gen_abstract_function on our context if we're a nested function.
15645 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15647 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15648 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15650 2000-02-04 Bruce Korb <bkorb@gnu.org>
15652 * fixinc/genfixes(machname.h):
15653 Move the functionality from gen-machine.h into this file.
15654 UNdef MN_NAME_PAT if there are no names to change.
15655 Also, be a little kinder when AutoGen is not present.
15657 * fixinc/Makefile.in(machname.h):
15658 Change the generation rule to use genfixes.
15660 * fixinc/fixfixes.c(machine_name):
15661 machine_name_fix's functionality now dependent upon whether
15662 MN_NAME_PAT is defined.
15664 * fixinc/fixtests.c(machine_name):
15667 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15670 * fixinc/fixlib.h(mn_get_regexps):
15673 * fixinc/gen-machine.h: DELETED
15675 2000-02-04 Jan Hubicka <jh@suse.cz>
15676 Richard Henderson <rth@cygnus.com>
15678 * i386.c (SAVE_REGS_FIRST): Remove.
15679 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15680 (ix86_compute_frame_size): Likewise.
15681 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15682 (ix86_emit_restore_regs): Remove.
15683 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15684 when a frame pointer is in use.
15685 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15686 instead of pop to restore a register when profitable; emit leave
15688 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15689 as a TYPE_LEA insn.
15690 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15691 * i386.md (prologue_allocate_stack): Remove.
15692 (epilogue_deallocate_stack): Remove.
15693 (pro_epilogue_adjust_stack): New.
15695 2000-02-04 Richard Henderson <rth@cygnus.com>
15697 * function.c (diddle_return_value): Rework to use a callback function.
15698 Use current_function_return_rtx if it's been set up.
15699 (do_clobber_return_reg, clobber_return_register): New.
15700 (do_use_return_reg, use_return_register): New.
15701 (expand_function_end): Use them.
15702 * stmt.c (expand_null_return): Likewise.
15703 * function.h: Declare them.
15704 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15705 (mark_reg): Change arguments as appropriate for callback.
15706 * integrate.c (expand_inline_function): Revert 19 Jan change.
15708 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15710 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15711 (Misc): Say the scheduler, not the Haifa scheduler.
15713 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15715 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15716 when in_mem is set. Update all callers.
15718 2000-02-04 Richard Henderson <rth@cygnus.com>
15720 * i386/openbsd.h (INT_ASM_OP): Define.
15722 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15724 * tm.texi: Fix various typos.
15726 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15728 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15729 (MD_STARTFILE_PREFIX_1): New macro.
15731 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15733 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15734 destination when needed.
15735 (strmovsi, strsetsi): New expander.
15736 (strmovsi_1, strsetsi_1): New pattern.
15737 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15738 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15739 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15740 * invoke.texi (align-stringops, inline-all-stringops): Document.
15742 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15744 * i386/netbsd.h (INT_ASM_OP): Define.
15746 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15748 * cpplib.h (cpp_reader): Add new flag, no_directives.
15749 * cpphash.c (macarg): Set it.
15750 * cpplib.c (handle_directive): If no_directives is on and we
15751 find a directive, issue an error and discard the line.
15753 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15755 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15756 FP constants. Add ! TARGET_FPU check for FP constants.
15758 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15760 * flow.c (find_basic_blocks): Don't kill label_value_list
15762 (cleanup_cfg): Kill it here.
15764 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15766 * expr.c (store_field): Ensure ALIGN is no stricter than the
15769 2000-02-02 Richard Henderson <rth@cygnus.com>
15771 * jump.c (delete_insn): Partially revert 19 Jan change;
15772 don't convert unused code labels to notes at -O0.
15774 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15776 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15777 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15779 2000-02-01 Richard Henderson <rth@cygnus.com>
15781 * i386.c (general_no_elim_operand): New.
15782 (nonmemory_no_elim_operand): New.
15783 (ix86_expand_move): Copy eliminable operands before a push.
15784 * i386-protos.h: Declare new functions.
15785 * i386.h (CAN_ELIMINATE): Simplify.
15786 (PREDICATE_CODES): Update.
15787 * i386.md (push insns): Don't allow eliminable register operands.
15789 2000-02-01 Richard Henderson <rth@cygnus.com>
15791 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15792 replace BLKmode with DECL_RTL's mode.
15794 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15796 * frame.c (find_fde): Convert for loop to do-while so compiler
15797 sees it's always executed at least once.
15798 * libgcc2.c (BBINBUFSIZE): Kill.
15799 (__bb_init_prg): Use fgets.
15800 (__bb_exit_trace_func): Don't paste strings.
15801 * unroll.c (unroll_loop): Initialize unroll_type, not
15802 unroll_number, and tweak logic to match.
15804 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15806 (ix86_flags_dependant): Likewise. Disentangle control flow.
15807 (ix86_sched_reorder): Break guts out to
15808 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15809 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15812 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15813 use string concatenation. Don't save and restore esi.
15815 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15816 (machname.h): Remove script to separate file. Use two-step
15817 sequence so target is not created if script fails.
15818 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15819 identifiers are defined.
15820 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15821 an empty string, machine_name doesn't need to do anything at
15823 (is_cxx_header): Add more cases to regexp.
15824 * fixinc/fixlib.h: Update prototype.
15825 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15827 * fixinc/fixincl.c: Define NO_BOGOSITY.
15829 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15830 (hp_sysfile): Add missing comma.
15831 (math_exception): Put the wrapper ifdefs at the beginning and
15832 the end of the file.
15833 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15835 2000-02-01 Richard Henderson <rth@cygnus.com>
15837 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15838 Use CONST0_RTX. Update all callers.
15839 * sparc.h, sparc-protos.h: Update accordingly.
15840 * sparc.md (fp mov insns): Use fp_zero_operand directly
15843 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15845 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15848 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15850 * Makefile.in (specs.ready): New target.
15851 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15853 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15855 * fixinc.irix: Use unique filenames for writing into /tmp,
15856 * fixinc.ptx: Likewise.
15857 * fixinc.sco: Likewise.
15858 * fixinc.svr4: Likewise.
15859 * fixinc.winnt: Likewise.
15861 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15863 * tsystem.h: New file.
15865 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15866 s-crtS): Depend on tsystem.h.
15868 * crtstuff.c: Include tsystem.h.
15869 * frame.c: Likewise.
15870 * libgcc2.c: Likewise.
15872 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15874 * builtins.c (expand_builtin_memset): Expand for variable sized
15877 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15879 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15882 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15884 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15886 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15888 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15890 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15891 case 3->2 combining (combining with splitting) in which 2 is CC0
15892 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15893 checked at the begining of the function with the aid of calling
15894 function 'can_combine_p'.
15896 2000-01-31 Dave Brolley <brolley@redhat.com>
15898 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15900 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15902 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15905 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15907 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15909 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15912 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15914 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15915 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15916 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15917 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15918 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15919 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15920 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15921 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15922 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15923 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15925 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15926 Add %(cpp_cpu) to CPP_SPEC.
15928 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15929 Add %(cc1_cpu) to CC1_SPEC.
15931 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15933 * c-decl.c (c_decode_option): Accept optional numeric argument to
15934 -Wformat and set warn_format.
15935 * c-common.c: Don't emit warning about non-constant printf format
15936 string unless warn_format > 1.
15938 2000-01-30 Richard Henderson <rth@cygnus.com>
15940 * alpha.md (return_internal): Allow after reload only.
15942 2000-01-30 Richard Henderson <rth@cygnus.com>
15944 * i386.c (ix86_compute_frame_size): Omit padding1 if the
15945 local frame size is zero.
15947 2000-01-30 Richard Henderson <rth@cygnus.com>
15949 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
15950 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
15951 * alpha.md (return): Turn into an expander.
15952 (return_internal): Don't use $26.
15953 (epilogue): Emit the return insn.
15955 2000-01-30 Richard Henderson <rth@cygnus.com>
15957 * alpha.md (negtf2, abstf2): Fix word order thinko.
15958 (extendsftf2): New.
15959 (trunctfsf2): Avoid intermediate rounding errors.
15961 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15963 * cppfiles.c (find_position): Drop 'colp' argument, return the
15965 (read_and_prescan): Adjust to match. Don't ever manipulate
15966 line or line_base except via find_position.
15968 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15970 * c-parse.in: Apply Ulrich's changes from c-parse.y.
15971 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
15974 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
15976 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
15977 just print "<command line>". If 'filename' is null or an
15978 empty string, print "<stdin>" for the filename.
15979 * cpplib.c (do_define): Don't print the 'location of the
15980 previous definition' message if we're still parsing the
15982 (cpp_pedwarn_with_file_and_line): Always call
15983 cpp_file_line_for_message.
15985 2000-01-29 Mark Mitchell <mark@codesourcery.com>
15987 * flow.c (mark_regs_live_at_end): Fix typo.
15989 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15991 * c-common.c: Adjust variable names, comments, help strings to c99.
15992 * c-lex.c: Likewise.
15993 * c-parse.y: Likewise.
15994 * c-tree.h: Likewise.
15995 * cccp.c: Likewise.
15996 * cpplib.h: Likewise.
15997 * c-decl.c: Likewise. Recognize options with names "*99" as well.
15998 * cppinit.c: Likewise.
16000 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16002 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
16003 * c4x.c: Define the optab rtx values.
16004 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
16005 (c4x_emit_libcall): Use new optab rtx values.
16006 (c4x_emit_libcall3): Likewise.
16007 (c4x_emit_libcall_mulhi): Likewise.
16008 * c4x-protos.h: Add prototypes for optab rtx values and change
16009 prototypes for above c4x_emit_libcall functions.
16011 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16013 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
16015 (c4x_function_prologue): Use regnames intead of float_reg_names when
16017 (c4x_function_epilogue): Likewise.
16018 (c4x_print_operand): Likewise.
16019 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
16020 * c4x.md (set_high): Disable for TARGET_TI.
16022 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16024 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
16025 of framepointer + constant to ADDR_REGS class.
16026 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
16027 * c4x.c (std_or_reg_operand): New function.
16028 * c4x-protos.h (std_or_reg_operand): Prototype it.
16030 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16032 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
16033 object names as libgcc2.c.
16034 * libgcc.S: Use newly defined names.
16036 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
16037 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
16039 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
16040 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
16041 (FLOW_LOOP_LAST_BLOCK): Likewise.
16043 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16045 * basic-block.h (struct loop): New fields 'first' and 'last'.
16046 * flow.c (flow_loops_find): Compute loop->first and loop->last.
16047 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
16048 and loop->last to check for NOTE_INSN_LOOP_END.
16050 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
16052 * predict.c (estimate_probability): Use the new FIRST and LAST fields
16053 of the loop descriptor rather than HEADER and LATCH. Also added
16054 missing break statements as well making some coding style modifications
16055 as suggested by Michael Hayes.
16057 2000-01-28 Richard Henderson <rth@cygnus.com>
16059 * flow.c (find_basic_blocks): Remove do_cleanup argument.
16060 Break out that code ...
16061 (cleanup_cfg): ... here.
16062 (commit_one_edge_insertion): Detect a return instruction being
16063 emitted to an edge. Emit a barrier following; clear fallthru.
16064 (commit_edge_insertions): Verify CFG consistency.
16065 * function.c (expand_function_start): Kill unused variable.
16066 (expand_function_end): Likewise.
16067 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
16068 to insert the epilogue.
16070 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
16071 (delete_null_pointer_checks): Likewise.
16072 * output.h: Likewise.
16073 * reg-stack.c (reg_to_stack): Likewise.
16074 * toplev.c (rest_of_compilation): Likewise. Run
16075 thread_prologue_and_epilogue_insns after rebuilding the CFG.
16077 2000-01-28 Richard Henderson <rth@cygnus.com>
16079 * Makefile.in (flow.o): Revert 24 Jan change.
16080 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
16081 FUNCTION_VALUE result to DECL_RESULT's mode.
16083 * haifa-sched.c (schedule_insns): Don't recompute reg info
16086 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
16088 * configure.in: Make --enable-cpplib the default.
16089 * configure: Regenerate.
16090 * gcc.dg/990119-1.c: No longer expected to fail.
16092 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
16094 * jump.c (jump_optimize_1): Delete an optimization that is also done
16095 by merge_blocks in flow.
16097 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16099 * diagnostic.c (build_message_string, output_printf,
16100 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
16101 (build_location_prefix): Fix non-literal format string.
16103 2000-01-27 Richard Henderson <rth@cygnus.com>
16105 * alpha.md (trunctfsf2): New.
16107 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
16109 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
16111 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16113 * cppinit.c (cpp_handle_option): Recognize C++ comments under
16115 * cpplib.c (skip_block_comment, skip_line_comment): Split code
16117 (skip_comment) ... here. Permit C++ comments in system
16118 headers always. Warn about C++ comments in user code under
16119 -std=gnu89 -pedantic.
16120 (copy_comment): Use skip_comment.
16121 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16123 (consider_directive_while_skipping, do_else, do_endif): Call
16124 validate_else unconditionally.
16125 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16126 text after the conditional in a system header.
16127 * cpplib.h (struct cpp_buffer): Add flag
16128 warned_cplusplus_comments.
16130 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16132 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16133 Use unshare_all_rtl_1.
16134 (unshare_all_rtl_again): New function.
16135 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16137 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16138 rather than resetting the 'used' flags ourself.
16140 * toplev.c (rest_of_compilation): Add current_function_decl
16141 to the unshare_all_rtl call.
16142 * tree.h: Prototype unshare_all_rtl.
16143 * rtl.h: Prototype unshare_all_rtl_again here.
16145 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16147 * genoutput.c (output_prologue): Include ggc.h in generated
16149 * Makefile.in (insn-output.o): Depends on ggc.h.
16151 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16152 Hans-Peter Nilsson <hp@bitrange.com>
16154 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16155 Remove redundant include of xm-ns32k.h.
16156 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16157 Remove redundant include of xm-ns32k.h.
16158 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16159 Remove redundant include of xm-ns32k.h.
16160 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16162 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16163 (TARGET_SWITCHES): Add documentation strings.
16164 (DWARF_FRAME_REGNUM): Override default definition.
16165 (REG_CLASS_CONTENTS): Add comments.
16166 (SUBSET_P): Format to reduce line length.
16167 (SMALL_REGISTER_CLASSES): Make a run time option.
16168 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16169 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16170 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16171 (regclass_map): fix typo in comment.
16172 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16173 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16174 (trace, reg_or_mem_operand): Delete, unused function.
16175 (calc_address_cost): Small offsets are cheaper than large ones.
16176 (expand_block_move): Generate more efficient code when bytes is a
16177 known at compile time.
16178 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16179 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16180 instead of reg_or_mem_operand.
16182 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16183 not general_operand. Similarly use "=rm" or stricter, not "=g".
16184 For input operands, use stricter constraints than "g" if not
16185 general_operand. Similarly use stricter predicate than
16186 "general_operand" when stricter constraints than "g" are present,
16187 except for matching constraints.
16188 (movstrsi): Use "memory_operand" for operands 0 and 1.
16189 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16190 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16191 not reg_or_mem_operand.
16192 (udivmoddisi4): Ditto.
16193 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16194 Use nonimmediate_operand for operand 3, not register_operand.
16195 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16196 reg_or_mem_operand.
16198 2000-01-27 Fred Fish <fnf@be.com>
16200 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16201 * gthr-single.h: Likewise.
16202 * gthr-solaris.h: Likewise.
16203 * gthr-vxworks.h: Likewise.
16204 * gthr-win32.h: Likewise.
16205 * gthr.h: Likewise.
16207 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16209 * cppinit.c: Add " (cpplib)" to end of string printed by
16212 2000-01-27 Richard Henderson <rth@cygnus.com>
16214 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16215 testing for a signed comparison.
16216 (alpha_emit_floatuns): New.
16217 * alpha-protos.h: Declare it.
16218 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16219 (extendsfdf2): Tidy.
16221 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16223 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16224 no -g option specifying debugging format, default to -gstabs+.
16226 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16228 * calls.c (special_function_p): New argument fork_or_exec.
16229 (expand_call): When profile_arc_flag is set and the function
16230 is in the fork_or_exec group, call __bb_fork_func first.
16231 * libgcc2.c, _bb module (__bb_fork_func): New function.
16232 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16234 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16235 * tree.h (special_function_p): Update prototype.
16237 2000-01-26 Richard Henderson <rth@cygnus.com>
16239 * alpha.c (alpha_split_tfmode_pair): New.
16240 * alpha-protos.h: Declare it.
16241 * alpha.md (abstf2, negtf2): New.
16242 (movtf insn): Add input G constraint.
16243 (movtf splitter): Use alpha_split_tfmode_pair.
16245 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16247 * i386/cygwin.h: PROTO -> PARAMS.
16249 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16251 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16252 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16253 using _Qp_cmp/_Q_cmp and testing the return value.
16254 (print_operand): Call reverse_condition_maybe_unordered if
16255 we are handling CCFPmode or CCFPEmode.
16256 Handle ORDERED, UN* and LTGT comparisons.
16257 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16258 if not TARGET_HARD_QUAD.
16259 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16260 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16261 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16262 Adjust gen_b* calls so that they reflect return comparison of
16263 sparc_emit_float_lib_cmp.
16265 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16267 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16268 incoming operands array is large enough for one more operand.
16269 (alpha_emit_xfloating_arith): Likewise.
16271 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16273 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16274 file with one line and no trailing newline.
16275 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16276 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16277 checking if the match is on the line.
16278 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16280 2000-01-25 Richard Henderson <rth@cygnus.com>
16282 * sparc.c (output_cbranch): Fix accidental squashing of the
16283 fp branch pre-delay nop.
16285 2000-01-25 Richard Henderson <rth@cygnus.com>
16287 * tree.def (UNNE_EXPR): Remove.
16288 * c-typeck.c (build_binary_op): Don't handle it.
16289 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16291 * rtl.def (UNNE): Remove.
16293 * jump.c (reverse_condition): Update accordingly.
16294 (swap_condition): Likewise.
16295 (comparison_dominates_p): Handle unordered comparisons.
16296 (reverse_condition_maybe_unordered): New.
16297 * rtl.h (reverse_condition_maybe_unordered): Declare.
16299 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16300 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16301 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16302 * sparc.md (bltgt): New.
16304 2000-01-25 Nick Clifton <nickc@redhat.com>
16306 * emit-rtl.c (emit_insn): Only check machine class insns for
16307 improper emission of a RETURN.
16309 2000-01-25 Richard Henderson <rth@cygnus.com>
16311 * Makefile.in (flow.o): Depend on $(EXPR_H).
16312 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16313 duplicate the structure of diddle_return_value for keeping regs live.
16315 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16317 * loop.c (current_loop_info): Delete.
16318 (consec_sets_invariant_p): Add loop argument, update callers.
16319 (get_condition_for_loop): Likewise.
16320 (count_nonfixed_reads, update_giv_derive): Likewise.
16321 (simplify_giv_expr, general_induction_var): Likewise.
16322 (consec_sets_giv, recombine_givs): Likewise.
16323 (move_movables): Delete loop_start and loop_end arguments,
16324 add loop argument, and update callers.
16325 (find_mem_givs, check_final_value): Likewise.
16326 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16327 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16329 (basic_induction_var): Add loop argument, delete loop_level argument,
16330 and update callers.
16331 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16332 add loop argument, and update callers.
16333 (find_splittable_regs, find_splittable_givs): Likewise.
16334 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16335 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16336 (biv_total_increment): Delete loop_start and loop_end arguments;
16338 (precondition_loop_p): Delete loop_start and loop_info arguments;
16340 * loop.h (get_condition_for_loop): Add loop argument.
16341 (biv_total_increment): Delete loop_start and loop_end arguments.
16342 (precondition_loop_p): Delete loop_start and loop_info arguments;
16344 (final_biv_value): Delete loop_start and loop_end arguments;
16346 (final_giv_value, back_branch_in_range_p): Likewise.
16348 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16350 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16352 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16354 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16355 point to the new "generated_files" doc.
16357 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16359 * config/fp-bit.c (_unord_f2): Fix typo.
16361 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16363 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16364 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16365 functions obsoleted by GC, such as push_obstacks_nochange,
16366 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16367 and code which existed only to decide whether or not to call
16368 them. Remove now-unused NESTED argument from start_function;
16369 all callers changed. Do not change behavior based on ggc_p.
16370 The use of the ixp_obstack in c-iterate.c and the util_obstack
16371 in objc/objc-act.c remain; these are not obsoleted by garbage
16373 * c-tree.h: Update prototype for start_function.
16375 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16377 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16379 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16382 2000-01-25 Richard Henderson <rth@cygnus.com>
16384 * sparc-protos.h (select_cc_mode): Declare.
16385 * sparc.c (select_cc_mode): New. Handle unordered compares.
16386 (output_cbranch): Always reverse via code change. Handle
16387 unordered compares. Factor tests and string updates.
16388 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16389 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16390 * sparc.md (bunordered, bordered): New.
16391 (bungt, bunlt, buneq, bunge, bunle): New.
16393 2000-01-25 Richard Henderson <rth@cygnus.com>
16395 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16396 * ggc-common.c (ggc_add_rtx_varray_root): New.
16397 (ggc_mark_rtx_varray): New.
16398 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16399 functions down below ggc_mark_foo.
16400 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16402 2000-01-25 Richard Henderson <rth@cygnus.com>
16404 * alpha.c (secondary_reload_class): Don't allocate a secondary
16405 for integral mode memories into FLOAT_REGS. Rearrange the more
16406 complicated memory expression inward.
16408 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16410 * inclhack.def: Fixes to play nicer with FreeBSD, and
16411 corrections to comments.
16412 (cxx_unready): Add select expression.
16413 (irix_sockaddr): Add bypass expression.
16414 (machine_ansi_h_va_list): New fix.
16415 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16416 Split out addition of "#include <stdarg.h>" to...
16417 (stdio_stdarg_h): ... here.
16418 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16419 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16420 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16422 (ultrix_ifdef): Tighten up select expression.
16424 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16425 re_ct and max_mach to avoid use of shell. Make printed names
16426 match names in inclhack.def. Use static copyright date.
16427 Don't count c_test and test expressions as requiring regex_t
16428 slots. Add some commentary.
16429 * inclhack.tpl: Do not include the 'This script contains N
16430 fixup scripts' line if PROGRAM is defined. Use static
16433 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16435 * dwarf2out.c: include "varray.h", not dyn-string.h.
16436 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16437 (addr_const_to_string, addr_to_string): Lose.
16438 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16439 (struct dw_val_struct): val_addr is now an rtx.
16440 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16441 (used_rtx_varray): New varray.
16442 (dwarf2out_init): Initialize it.
16443 (save_rtx): New fn.
16444 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16446 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16447 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16448 * Makefile.in (dwarf2out.o): Update dependencies.
16450 2000-01-24 Richard Henderson <rth@cygnus.com>
16452 * i386.c (i386_dwarf_output_addr_const): New.
16453 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16455 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16457 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16458 * i386.c (i386_simplify_dwarf_addr): New.
16459 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16461 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16463 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16464 TYPE_STUB_DECL is NULL.
16466 2000-01-24 Richard Henderson <rth@cygnus.com>
16468 * builtins.c (expand_tree_builtin): Move ...
16469 * c-common.c (expand_tree_builtin): ... here.
16471 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16473 * loop.h (LOOP_INFO): New accessor macro.
16474 * basic-block.h (struct loop): Rename field `info' to `aux'.
16475 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16476 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16477 * unroll.c (loop_iterations, unroll_loop): Likewise.
16479 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16481 * config/i386/t-cygwin: Accomodate new winsup directory layout
16482 when searching for include files.
16484 2000-01-24 Richard Henderson <rth@cygnus.com>
16486 * rtl.def: Add unordered fp comparisions.
16487 * tree.def: Likewise.
16488 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16490 * builtins.c (expand_tree_builtin): New function.
16491 * c-typeck.c (build_function_call): Use it.
16492 (build_binary_op): Support unordered compares.
16493 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16495 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16496 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16497 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16498 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16499 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16501 (swap_condition): Handle unordered compares.
16502 (thread_jumps): Check can_reverse before reversing.
16503 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16506 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16507 setcc is present before acking for cmp_optab. Update all callers.
16508 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16509 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16510 * expr.c (expand_expr): Likewise. Support unordered compares.
16511 (do_jump, do_store_flag): Likewise.
16512 * expr.h (enum libfunc_index): Add unordered compares.
16514 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16515 (DPBIT_FUNCS): Add _unord_df.
16516 * config/fp-bit.c (_unord_f2): New.
16517 * fp-test.c (main): Try unordered compare builtins.
16519 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16520 * alpha.c (alpha_comparison_operator): Check mode properly.
16521 (alpha_swapped_comparison_operator): Likewise.
16522 (signed_comparison_operator): Likewise.
16523 (alpha_fp_comparison_operator): New.
16524 (alpha_emit_conditional_branch): Handle unordered compares.
16525 * alpha.h (PREDICATE_CODES): Update.
16526 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16527 (bunordered, bordered): New.
16529 2000-01-24 Richard Henderson <rth@cygnus.com>
16531 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16532 * alpha.md (movtf): New expander, insn, and splitter.
16534 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16536 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16539 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16541 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16542 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16543 REG_ALLOC_ORDER): Add frame pointer
16544 (FRAME_POINTER_REGNUM): Set to 20
16545 (HARD_FRAME_POINTER_REGNUM): New macro.
16546 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16547 to HARD_FRAME_POINTER.
16548 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16549 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16550 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16551 (HI_REGISTER_NAMES): Add "frame".
16552 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16553 (debug_reg): Handle FRAME_POINTER_REGNUM.
16554 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16555 GENERAL_REGS and INDEX_REGS.
16556 * i386.c (SAVED_REGS_FIRST): new macro.
16557 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16558 (ix86_decompose_address, memory_address_length): Likewise.
16559 (regclass_map): Add frame pointer.
16560 (call_insn_operand): Handle frame_pointer_rtx.
16561 (reg_no_sp_operand): Likewise.
16562 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16563 (print_operand, legitimize_pic_address): Fix formating.
16564 (ix86_compute_frame_size): Make static, update prototype, new
16565 parameters padding1, padding2, use ix86_nsaved_regs, use
16566 stack_alignment_needed.
16567 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16568 to HARD_FRAME_POINTER_REGNUM conversions.
16569 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16570 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16571 (print_reg): Abort on FRAME_POINTER_REGNUM
16573 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16575 * i386.h (PREDICATE_CODES): Add aligned_operand.
16576 * i386.c (aligned_operand): New function.
16577 (ix86_aligned_p): Kill.
16578 * i386.md (movhi_1): Emit mov for aligned operands.
16579 (promoting peep2s): Use aligned_operand.
16581 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16583 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16584 expression to allow underscores in macro names.
16585 (fix_char_macro_defines): Increment scanning pointer.
16587 2000-01-23 Richard Henderson <rth@cygnus.com>
16589 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16590 * alpha/osf5.h: New file.
16591 * configure.in (alpha-*-osf5): Add it to tm_file.
16593 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16595 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16596 (alpha_emit_xfloating_cvt, function_arg): Declare.
16597 * alpha.c (alpha_emit_conditional_branch): Call
16598 alpha_emit_xfloating_compare for TFmode compares.
16599 (alpha_lookup_xfloating_lib_func): New.
16600 (alpha_compute_xfloating_mode_arg): New.
16601 (alpha_emit_xfloating_libcall): New.
16602 (alpha_emit_xfloating_arith): New.
16603 (alpha_emit_xfloating_compare): New.
16604 (alpha_emit_xfloating_cvt): New.
16605 (print_operand): Add default abort case.
16606 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16607 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16608 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16609 (RETURN_IN_MEMORY): True for TF/TCmode.
16610 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16611 (FUNCTION_ARG): Move to function_arg.
16612 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16613 (ASM_OUTPUT_LONG_DOUBLE): New.
16614 (ASM_OUTPUT_DOUBLE): Always output bits.
16615 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16616 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16617 (extenddftf2, trunctfdf2): New.
16619 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16621 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16622 * config/sparc/sol2.h: ... here.
16624 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16626 * basic-block.h (struct loops): New field `levels'.
16627 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16628 (flow_loop_level_compute): Initialise level to 1.
16629 (flow_loops_find): Set loops->levels.
16630 (flow_loops_dump): Print loops->levels.
16632 2000-01-23 Richard Henderson <rth@cygnus.com>
16634 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16635 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16637 2000-01-23 Richard Henderson <rth@cygnus.com>
16639 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16640 * i386.h (DBX_REGISTER_NUMBER): Use them.
16641 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16642 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16643 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16644 * i386/sequent.h: Kill incorrect comment.
16646 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16648 * ggc-page.c (struct page_entry): Make `context_depth' an
16650 (struct globals): Likewise.
16652 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16654 * loop.c (check_dbra_loop): When checking a loop for
16655 reversability, check the source of any stores to ensure
16656 they don't depend on an initial value.
16658 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16660 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16662 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16664 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16665 'pz_scan' into scope of entire function. Only affects
16666 compiles with -DDEBUG.
16668 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16670 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16671 section naming to that prior to 2000-01-07 patch.
16672 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16673 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16674 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16675 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16676 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16678 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16680 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16683 2000-01-21 Jim Wilson <wilson@cygnus.com>
16685 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16686 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16688 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16690 * cpphash.c (change_newlines): Delete function.
16691 (struct argdata): Delete 'newlines' and 'use_count' fields.
16692 (macroexpand): Remove code referencing those fields.
16694 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16696 * loop.c (loops_info): New variable.
16697 (loop_optimize): Allocate loops->array and free it on exit.
16698 Allocate memory for loops_info and assign to each loop,
16700 (find_and_verify_loops): Do not allocate loops->array.
16702 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16704 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16706 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16708 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16709 pseudos if expanded after first flow.
16710 (movdi_pic_label_ref): Likewise.
16712 2000-01-20 Richard Henderson <rth@cygnus.com>
16714 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16716 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16718 * Makefile.in (fixinc.sh): Depend on specs.
16719 * fixinc/Makefile.in: Add rule to create machname.h.
16720 (fixlib.o): Depend on machname.h.
16721 * fixinc/fixtests.c (machine_name): New test.
16722 * fixinc/fixfixes.c (machine_name): New fix.
16723 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16724 the machine_name test and fix.
16725 * fixinc/fixlib.h: Prototype it.
16726 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16727 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16729 * gcc.c (do_spec_1) [case P]: Take care not to create
16730 identifiers with three leading or trailing underscores.
16732 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16733 (fixincl): Don't specify libraries twice on link line.
16734 (gnu-regex.o): Remove special rule.
16735 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16736 defined by config.h. Do not define _REGEX_RE_COMP.
16737 (regcomp): Allocate and initialize a fastmap.
16738 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16740 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16742 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16744 2000-01-19 Richard Henderson <rth@cygnus.com>
16746 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16747 arguments with BB. Update all callers. Tidy line wrapping.
16749 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16751 * emit-rtl.c (try_split): Return last_insn if we split the
16754 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16756 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16757 (ix86_initial_elimination_offset): Declare.
16758 * i386.c (ix86_nsaved_regs): Break out from ...
16759 (ix86_can_use_return_insn_p): ... here.
16760 (ix86_emit_save_regs): Break out from ...
16761 (ix86_expand_prologue): ... here.
16762 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16764 (ix86_expand_epilogue): ... here.
16765 (ix86_compute_frame_size): Make static, add prototype.
16766 (ix86_initial_elimination_offset): Break out from ...
16767 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16769 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16771 * recog.h (OUT_FCN): Delete.
16773 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16775 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16777 * cppalloc.c: PROTO -> PARAMS.
16778 * cpperror.c: Likewise.
16779 * cppfiles.c: Likewise.
16780 * cpplib.c: Likewise.
16781 * cpplib.h: Likewise.
16783 * config/arm/arm-protos.h: PROTO -> PARAMS.
16784 * config/arm/arm.c: Likewise.
16785 * config/c4x/c4x.c: Likewise.
16786 * config/fr30/fr30-protos.h: Likewise.
16787 * config/nextstep.c: Likewise.
16788 * config/pa/pa.c: Likewise.
16789 * config/pj/pj.c: Likewise.
16790 * config/rs6000/rs6000.c: Likewise.
16791 * config/v850/v850-protos.h: Likewise.
16792 * config/v850/v850.c: Likewise.
16794 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16796 * i370-protos.h: New file.
16798 * i370.c: Include tm_p.h. Fix compile time warnings.
16800 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16803 * i370.md: Likewise.
16805 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16807 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16808 (target_isinf, target_isnan, eisnan): Mark parameter with
16810 (eiisinf): Wrap in INFINITY.
16811 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16812 (ibmtoe): Remove unused variable `rndsav'.
16814 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16816 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16817 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16819 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16821 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16822 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16823 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16825 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16826 Recognize Emacs mode markers also.
16827 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16828 C++ comments in C++ headers. Call is_cxx_header only if
16831 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16832 bypass for ncurses.
16833 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16834 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16835 ... these, which use the new C fixes.
16836 (math_exception): Escape literal '+' in bypass expression.
16838 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16841 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16843 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16846 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16848 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16849 prior to calling scan_loop.
16851 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16853 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16854 (split_branches, calc_live_regs): Likewise.
16856 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16858 * sh.md (fpu_single, fp_mode): New attributes.
16860 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16862 * loop.c (current_loop_info): Renamed from loop_info_data
16863 and changed to a pointer.
16864 (loop_optimize): Allocate loop_info structure for each loop
16865 and initialise to zero.
16866 (scan_loop): Set current_loop_info.
16868 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16871 2000-01-19 Richard Henderson <rth@cygnus.com>
16873 * stupid.c: Die die die.
16874 * Makefile.in (OBJS): Remove stupid.o.
16875 (stupid.o): Likewise.
16877 * except.c (emit_eh_context): Don't emit USEs for stupid.
16878 * explow.c (probe_stack_range): Likewise.
16879 * flags.h (obey_regdecls): Remove.
16880 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16881 when not optimizing.
16882 (life_analysis): Limit data collection when not optimizing.
16883 (mark_regs_live_at_end): Always mark the return value registers.
16884 (mark_used_regs): Remove dummy RETURN case.
16885 (print_rtl_with_bb): Don't consult obey_regdecls.
16886 * function.c (use_variable, use_variable_after): Remove.
16887 (assign_parms): Consult optimize not obey_regdecls.
16888 (expand_function_start): Don't emit USEs for stupid.
16889 (expand_function_end): Likewise.
16890 * global.c (build_insn_chain): Export.
16891 * integrate.c (expand_inline_function): Kill return-value USE
16893 * jump.c (jump_optimize_1): Do simple jump optimizations and
16894 dead code elimination.
16895 (calculate_can_reach_end): Remove check_deleted argument.
16896 (delete_insn): Patch out insns even when not optimizing.
16897 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16898 * rtl.h (use_variable, use_variable_after): Remove declarations.
16899 (build_insn_chain): Declare.
16900 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16901 (expand_end_bindings): Likewise.
16902 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16903 * toplev.c (obey_regdecls): Remove.
16904 (rest_of_compilation): Don't set it. Kill stupid in favour of
16905 flow1, local-alloc, and reload.
16906 (main): Don't set obey_regdecls.
16908 * config/nextstep.c (handle_pragma): Likewise.
16910 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16912 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16914 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16916 * alpha-protos.h: PROTO -> PARAMS.
16917 * alpha.c: Likewise.
16919 * h8300.c: Likewise.
16920 * i386-protos.h: Likewise.
16921 * i386.c: Likewise.
16922 * m32r-protos.h: Likewise.
16923 * m32r.c: Likewise.
16924 * mips.c: Likewise.
16925 * mips.md: Likewise.
16926 * gmon-sol2.c: Likewise.
16927 * sparc.c: Likewise.
16929 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16931 * ns32k-protos.h: New file.
16933 * ns32k.c: Fix compile time warnings.
16935 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
16938 * ns32k.md: Likewise.
16940 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16942 * vax-protos.h: New file.
16944 * vax.c: Fix compile time warnings.
16946 * vax.h: Move prototypes to vax-protos.h. Fix compile time
16949 * vax.md: Likewise.
16951 * vaxv.md: Likewise.
16953 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16955 * romp-protos.h: New file.
16957 * romp.c: Fix compile time warnings.
16959 * romp.h: Move prototypes to romp-protos.h. Fix compile time
16962 * romp.md: Likewise.
16964 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16966 * we32k-protos.h: New file.
16968 * we32k.c: Fix compile time warnings.
16970 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
16973 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16975 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
16977 * except.c (eh_regs): Likewise.
16979 * final.c (output_operand): Likewise.
16981 * fold-const.c (target_isinf, target_isnan): Likewise.
16983 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16985 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
16986 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
16988 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
16989 when optimize_size.
16990 (clrstrsi): Rewrite.
16991 (strsethi, strsetqi): New expanders.
16992 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
16993 (cmpstrsi): Emit compare insn before cmpstrsi_1
16994 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
16995 (strlensi_1): Likewise.
16996 (cmpstrsi_1): Likewise; do not output compare.
16997 (strlen expander): Do not unroll when optimizing for size.
16998 (*subsi3_carry): Rename to subsi3_carry
16999 (addqi3_cc): New pattern.
17000 * i386.h (processor_costs): Add move_ratio field.
17001 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
17002 * i386.c (*_cost): Set move_ratio.
17003 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
17004 (x86_expand_strlensi_1): Rewrite the main loop.
17006 2000-01-17 Richard Henderson <rth@cygnus.com>
17008 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
17009 * cse.c (find_comparison_args, fold_rtx): Likewise.
17010 * integrate.c (subst_constants): Likewise.
17011 * loop.c (get_condition): Likewise.
17013 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
17015 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
17017 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17019 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
17020 (RESTORE_WARN_FLAGS): Unpack it.
17021 Change semantic type of extension to ttype.
17022 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
17023 * c-parse.y, c-parse.c, objc/objc-parse.y,
17024 objc/objc-parse.c: Regenerate.
17026 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
17028 * fixinc/fixlib.c: Add copyright notice.
17029 (compile_re): New function.
17030 * fixinc/fixlib.h: Prototype compile_re.
17032 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
17033 Use compile_re to compile regular expressions.
17035 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
17036 where the pattern matched.
17038 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
17040 (ultrix_ansi_compat): Likewise.
17041 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
17043 (interactv_add2, interactv_add3): Delete.
17044 (x11_sprintf): Don't use filename glob.
17045 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
17048 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17050 * print-rtl.c: PROTO -> PARAMS.
17051 * real.c: Likewise.
17052 * reg-stack.c: Likewise.
17053 * resource.c: Likewise.
17054 * sdbout.h: Likewise.
17055 * simplify-rtx.c: Likewise.
17056 * stor-layout.c: Likewise.
17057 * stupid.c: Likewise.
17058 * xcoffout.c: Likewise.
17059 * xcoffout.h: Likewise.
17061 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17063 * toplev.c: PROTO -> PARAMS.
17064 * toplev.h: Likewise.
17065 * tree.c: Likewise.
17066 * tree.h: Likewise.
17067 * unroll.c: Likewise.
17068 * varasm.c: Likewise.
17069 * varray.c: Likewise.
17070 * varray.h: Likewise.
17072 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17074 * reload.c: PROTO -> PARAMS.
17075 * reload.h: Likewise.
17076 * reload1.c: Likewise.
17077 * reorg.c: Likewise.
17078 * resource.h: Likewise.
17081 * rtlanal.c: Likewise.
17082 * sbitmap.h: Likewise.
17083 * sdbout.c: Likewise.
17084 * stack.h: Likewise.
17085 * stmt.c: Likewise.
17086 * system.h: Likewise.
17088 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17090 * machmode.h: PROTO -> PARAMS.
17091 * mbchar.h: Likewise.
17092 * mips-tdump.c: Likewise.
17093 * mips-tfile.c: Likewise.
17094 * optabs.c: Likewise.
17095 * output.h: Likewise.
17096 * prefix.c: Likewise.
17097 * profile.c: Likewise.
17098 * protoize.c: Likewise.
17099 * real.h: Likewise.
17100 * recog.c: Likewise.
17101 * recog.h: Likewise.
17102 * regclass.c: Likewise.
17103 * regmove.c: Likewise.
17104 * regs.h: Likewise.
17106 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17108 * ggc-common.c: PROTO -> PARAMS.
17109 * ggc-page.c: Likewise.
17110 * ggc-simple.c: Likewise.
17112 * global.c: Likewise.
17113 * graph.c: Likewise.
17114 * gthr-win32.h: Likewise.
17115 * haifa-sched.c: Likewise.
17116 * halfpic.h: Likewise.
17117 * integrate.c: Likewise.
17118 * integrate.h: Likewise.
17119 * jump.c: Likewise.
17121 * local-alloc.c: Likewise.
17122 * loop.c: Likewise.
17123 * loop.h: Likewise.
17125 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17127 * genattr.c: PROTO -> PARAMS.
17128 * genattrtab.c: Likewise.
17129 * gencheck.c: Likewise.
17130 * gencodes.c: Likewise.
17131 * genconfig.c: Likewise.
17132 * genemit.c: Likewise.
17133 * genextract.c: Likewise.
17134 * genflags.c: Likewise.
17135 * gengenrtl.c: Likewise.
17136 * genopinit.c: Likewise.
17137 * genoutput.c: Likewise.
17138 * genpeep.c: Likewise.
17139 * genrecog.c: Likewise.
17141 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17143 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17145 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17147 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17148 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17149 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17150 * configure, config.in: Rebuilt.
17152 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17154 * config/i386/i386.md: Add peephole to merge successive stack
17157 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17159 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17160 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17161 when walking backwards to find all the parameter loads when
17162 the basic block ends in a call.
17164 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17166 * loop.c (this_loop_info): Delete.
17167 (uid_loop): Add in place of uid_loop_num. All uses updated.
17168 (loop_number_exit_count): Delete and replace with entry in loop
17169 structure. All uses updated.
17170 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17171 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17172 (loop_outer_loop): Likewise.
17173 (loop_invalid, loop_number_exit_labels): Likewise.
17174 (loop_used_count_register): Delete and replace with entry in
17175 loop_info structure.
17176 (find_and_verify_loops): Add loops argument.
17177 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17178 loop_end, etc. arguments with loop structure pointer. All callers
17180 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17181 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17182 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17183 (insert_bct): Likewise.
17184 (basic_induction_var): New argument level.
17185 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17186 vtop, and cont. Add used_count_register.
17187 (uid_loop): Delete declaration.
17188 (loop_number_exit_count): Likewise.
17189 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17190 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17191 (loop_outer_loop, loop_used_count_register): Likewise.
17192 (loop_invalid, loop_number_exit_labels): Likewise.
17193 (unroll_loop): Replace loop_start and loop_end arguments
17194 with loop structure pointer.
17195 (loop_precondition_p, loop_iterations): Likewise.
17196 Include basic-block.h.
17197 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17198 with loop structure pointer.
17199 (loop_precondition_p, loop_iterations): Likewise.
17200 * basic-block.h (struct loop): New entries vtop, cont,
17201 cont_dominator, start, end, top, scan_start, exit_labels,
17203 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17205 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17207 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17209 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17211 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17213 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17215 * pdp11-protos.h: New file.
17217 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17220 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17223 * pdp11.md: Likewise.
17225 * 2bsd.h: Likewise.
17227 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17229 * mn10300-protos.h: New file.
17231 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17234 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17237 * mn10300.md: Likewise.
17239 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17241 * mn10200-protos.h: New file.
17243 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17246 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17249 * mn10200.md: Likewise.
17251 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17253 * h8300-protos.h: New file.
17255 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17258 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17261 * h8300.md: Likewise.
17263 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17265 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17266 (asm_emit_uninitialised): Likewise.
17268 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17270 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17271 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17273 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17275 * config/mips/mips.c (override_options): Don't turn on extra
17276 alignment for mips16.
17278 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17280 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17281 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17284 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17286 * builtins.c (PAD_VARARGS_DOWN): Define.
17287 (std_expand_builtin_va_arg): Use the above macro.
17288 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17289 * tm.texi (Register Arguments): Document the above macro.
17291 2000-01-14 Nick Clifton <nickc@cygnus.com>
17293 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17294 that this function has not been used to emit a jump
17297 * jump.c (return_jump_1): Cope with being passed a null rtx.
17299 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17301 * eh-common.h: PROTO -> PARAMS.
17302 * emit-rtl.c: Likewise.
17303 * errors.c: Likewise.
17304 * errors.h: Likewise.
17305 * except.c: Likewise.
17306 * except.h: Likewise.
17307 * explow.c: Likewise.
17308 * expmed.c: Likewise.
17309 * expr.c: Likewise.
17310 * expr.h: Likewise.
17311 * final.c: Likewise.
17312 * fix-header.c: Likewise.
17313 * flow.c: Likewise.
17314 * fold-const.c: Likewise.
17315 * function.c: Likewise.
17316 * function.h: Likewise.
17318 * gcov-io.h: Likewise.
17319 * gcov.c: Likewise.
17320 * gcse.c: Likewise.
17322 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17324 * sh-protos.h: New file.
17326 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17327 Add static prototypes. Fix compile time warnings.
17329 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17333 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17335 * arc-protos.h: New file.
17337 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17340 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17343 * arc.md: Likewise.
17345 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17347 * dsp16xx-protos.h: New file.
17349 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17352 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17355 * dsp16xx.md: Likewise.
17357 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17359 * convex-protos.h: New file.
17361 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17364 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17367 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17369 * elxsi-protos.h: New file.
17371 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17374 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17377 * elxsi.md: Likewise.
17379 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17381 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17382 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17383 match the comment for MIPS16.
17385 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17387 * flow.c (split_edge): Do not call set_block_for_insn if we
17388 do not have a basic_block_for_insn structure.
17390 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17391 and destination functions are 32bit aligned within the trampoline.
17392 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17393 (TRAMPOLINE_ALIGNMENT): Define.
17395 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17396 (set (pc) (label_ref)), verify the change creates a valid insn.
17398 * fr30.c (call_operand): Tighten and rework to match rules for
17399 call RTL expressions.
17400 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17401 * fr30.md (call patterns): Improve constraints.
17403 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17405 * fr30.c (fr30_expand_epilogue): Revert last change.
17406 Use emit_jump_insn for the return insn.
17408 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17409 Stan Cox <scox@cygnus.com>
17411 * predict.c: New file. Preliminary infrastructure work for static
17412 branch prediction and basic block reordering.
17413 * basic-block.h: Add prototype for estimate_probability.
17414 * Makefile.in: Add rules for predict.o.
17416 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17418 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17419 * fixinc/*: Likewise.
17421 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17423 * cccp.c: PROTO -> PARAMS.
17424 * cexp.y: Likewise.
17425 * collect2.c: Likewise.
17426 * combine.c: Likewise.
17427 * convert.h: Likewise.
17429 * dbxout.c: Likewise.
17430 * dbxout.h: Likewise.
17431 * diagnostic.c: Likewise.
17432 * doprint.c: Likewise.
17433 * dwarf2out.c: Likewise.
17434 * dwarf2out.h: Likewise.
17435 * dwarfout.c: Likewise.
17436 * dwarfout.h: Likewise.
17437 * dyn-string.h: Likewise.
17439 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17441 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17442 macro conditionals guarding use.
17444 * dwarf2out.c: Include "tm_p.h".
17446 * function.c (locate_and_pad_parm): Mark parameter with
17448 (expand_function_end): Likewise for variable `context'.
17450 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17452 2000-01-13 Nick Clifton <nickc@cygnus.com>
17454 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17455 register to prevent compile time warnings.
17457 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17459 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17460 to avoid -Wtraditional warning.
17462 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17464 * 1750a-protos.h: New file.
17466 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17469 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17472 * 1750a.md: Likewise.
17474 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17476 * a29k-protos.h: New file.
17478 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17481 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17484 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17486 * clipper-protos.h: New file.
17488 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17491 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17494 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17496 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17498 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17500 * configure.in (--enable-new-gxx-abi): New option.
17501 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17502 * Makefile.in (GXX_ABI_FLAG): New variable.
17503 * configure: Regenerate.
17505 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17507 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17508 * tm.texi (FORCE_STRUCT_BLK): Document.
17509 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17511 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17513 * config/ns32k/ns32k.md: Revert Jan 9 change.
17515 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17516 to a mode-test, if the predicate is address_operand.
17518 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17520 * combine.c (if_then_else_cond): Be careful about what kinds
17521 of RTL expressions are passed to operand_subword.
17523 * flow.c (split_edge): If we have to insert a new jump, make
17524 sure to associate it with a basic block.
17526 * flow.c (commit_one_edge_insertion): A block with one successor
17527 can end in a JUMP_INSN that is not a simplejump.
17529 2000-01-12 Robert Lipe <robertl@sco.com>
17531 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17532 (BUILD_VA_LIST_TYPE): Define.
17533 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17536 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17538 * cccp.c (do_pragma): Add cast to (char *).
17540 2000-01-12 Richard Henderson <rth@cygnus.com>
17541 Fred Fish <fnf@be.com>
17542 Jason Merrill <jason@cygnus.com>
17544 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17545 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17546 * i386/beos-elf.h, i386/beos-pe.h: New files.
17548 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17549 * cross-make (SYSTEM_HEADER_DIR): Define using
17550 CROSS_SYSTEM_HEADER_DIR.
17552 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17553 (process_command): Use it.
17554 (main): Likewise. Kill trailing = from env vars.
17555 (build_search_list): Put it back.
17556 * collect2.c (main): Use LIBRARY_PATH_ENV.
17558 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17559 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17561 * tm.texi (Frame Layout): Document SMALL_STACK.
17562 * c-common.c (c_common_nodes_and_builtins): Check it.
17564 * system.h: Undef alloca after including glibc's <stdlib.h>,
17565 if USE_C_ALLOCA is defined.
17567 * gcc.c (set_input): New fn.
17568 (main): After all input files are compiled, reset the input file
17571 * aclocal.m4 (rindex, index): If already defined, don't attempt
17574 * ginclude/varargs.h: (__va_list__): Define ifndef.
17575 * ginclude/stdarg.h: Likewise.
17577 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17578 instead of unsigned char.
17580 * hash.h (true, false, boolean): Undef before enum.
17582 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17583 proper type of "HOST_WIDE_INT *", rather than their natural type of
17584 "unsigned HOST_WIDE_INT *".
17586 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17588 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17590 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17592 * regclass.c (choose_hard_reg_mode): Likewise.
17594 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17596 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17598 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17600 * c-common.c: PROTO -> PARAMS.
17601 * c-common.h: Likewise.
17602 * c-decl.c: Likewise.
17603 * c-iterate.c: Likewise.
17604 * c-lang.c: Likewise.
17605 * c-lex.c: Likewise.
17606 * c-lex.h: Likewise.
17607 * c-parse.in: Likewise.
17608 * c-pragma.c: Likewise.
17609 * c-pragma.h: Likewise.
17610 * c-tree.h: Likewise.
17611 * c-typeck.c: Likewise.
17612 * objc/objc-act.c: Likewise.
17613 * objc/objc-act.h: Likewise.
17615 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17617 * m88k-protos.h: New file.
17619 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17622 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17624 * m88k.md: Likewise.
17626 * tekXD88.h: Likewise.
17628 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17630 * m68k-protos.h: New file.
17632 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17635 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17637 * mot3300.h: Likewise.
17639 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17641 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17643 (extract_bitlist): Declare bitlen.
17645 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17647 * cccp.c: Accept and ignore -lang-fortran.
17649 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17650 qualifiers don't match at any level of pointerness.
17652 2000-01-12 Robert Lipe <robertl@sco.com>
17654 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17656 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17658 * reload1.c (reload_reg_unavailable): New static variable.
17659 (reload_reg_free_p): Test it.
17660 (reload_reg_free_for_value_p): Test it instead of
17662 (choose_reload_regs_init): Compute it.
17664 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17666 * reorg.c (fill_slots_from_thread): Check modified_in_p
17669 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17671 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17672 these nodes even if INTERNALS is not set.
17674 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17676 * gcse.c (delete_null_pointer_checks_1): Cope when
17677 get_condition cannot determine the condition.
17679 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17681 * toplev.h (set_message_length): Declare.
17683 * diagnostic.c (obstack_chunk_alloc): Define macro.
17684 (obstack_chunk_free): Likewise.
17685 (struct output_buffer): New data structure.
17686 (vmessage): Remove.
17687 (output_maximum_width): New variable.
17688 (doing_line_wrapping, set_message_length, init_output_buffer,
17689 get_output_prefix, output_space_left, emit_output_prefix,
17690 output_newline, output_append, output_puts, dump_output,
17691 vbuild_message_string, build_message_string, build_location_prefix,
17692 voutput_notice, output_printf, line_wrapper_printf,
17693 vline_wrapper_message_with_location): New functions. Implement
17694 automatic line wrapping.
17695 (v_message_with_decl): Make it handle automatic line wrapping.
17696 (v_error_with_file_and_line): Likewise.
17697 (v_warning_with_file_and_line): Likewise.
17698 (announce_function): Likewise.
17699 (default_print_error_function): Likewise.
17701 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17703 * cpplib.h (struct cpp_options): Change lang_asm to char.
17705 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17706 done in cpp_handle_option now.
17707 (initialize_builtins): Take out special case code used only by
17709 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17710 if -traditional. Recognize -lang-fortran and set
17711 lang_fortran, also turn off cplusplus_comments.
17712 (print_help): Document -lang-fortran.
17713 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17714 lang_asm. Ignore all directives other than `# 123 "file"' if
17716 (cpp_get_token): If -traditional, don't recognize directives
17717 unless the # is in column 1.
17718 (parse_string): If lang_fortran or lang_asm, silently
17719 terminate strings ('' or "") at end of line.
17720 Remove unnecessary braces.
17722 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17723 Richard Henderson <rth@cygnus.com>
17725 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17727 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17728 strict_low_part when possible.
17730 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17732 * alias.c: PROTO -> PARAMS.
17733 * basic-block.h: Likewise.
17734 * bitmap.c: Likewise.
17735 * bitmap.h: Likewise.
17736 * builtins.c: Likewise.
17737 * c-aux-info.c: Likewise.
17738 * caller-save.c: Likewise.
17739 * calls.c: Likewise.
17741 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17743 * Makefile.in (toplev.o): Depend on regs.h.
17745 * output.h (tdesc_section): Prototype.
17747 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17749 * sdbout.c: Include "tm_p.h".
17751 * toplev.c: Include "regs.h".
17753 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17755 * unroll.c (unroll_loop): Add EH support.
17757 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17759 * pa-protos.h: New file.
17761 * pa.c: Include recog.h and tm_p.h.
17762 (compute_zdepwi_operands, compute_movstrsi_length,
17763 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17764 find_addr_reg, import_milli): Add static prototypes.
17765 (pa_cpu_string, pa_arch_string): Constify a char*.
17766 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17767 (read_only_operand): Add argument `mode'.
17768 (singlemove_string, output_move_double, output_fp_move_double,
17769 output_block_move, output_and, output_ior, output_ascii,
17770 remove_useless_addtr_insns, milli_names, output_mul_insn,
17771 output_div_insn, output_mod_insn, output_arg_descriptor,
17772 output_cbranch, output_bb, output_bvb, output_dbra, ,
17773 output_millicode_call, output_call, hppa_encode_label,
17774 output_parallel_movb, output_parallel_addb): Constify a char*.
17775 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17776 (output_parallel_addb): Remove extra arg to `constrain_operands'
17778 * pa.h: Move all prototypes to pa-protos.h.
17779 (pa_cpu_string, pa_arch_string): Constify a char*.
17780 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17782 * pa.md: Call `function_label_operand' with mode argument.
17783 Likewise for `read_only_operand'.
17784 Fix nesting of parens in call to `symbolic_operand'.
17786 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17788 * i860-protos.h: New file.
17790 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17793 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17795 * i860.md: Likewise.
17797 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17799 * i386.md (movstrsi expander): Rewrite.
17800 (movstrsi_1 insn): Deleted.
17801 (strmovhi, strmovqi expander): New expanders.
17802 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17803 * i386.c (x86_single_stringop): New global variable.
17804 * i386.h (x86_single_stringop): Declare.
17805 (TARGET_SINGLE_STRINGOP): New macro.
17807 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17809 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17810 integer vararg POSTINCREMENT before the destination of the jump
17811 for the hard fp case.
17812 (function_arg_pass_by_reference): Pass a copy of CUM to
17815 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17816 for CONSTANT_ADDRESS_P above while loop for subreg.
17818 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17820 * flow.c (propagate_block): When a prologue/epilogue insn
17821 is marked dead, unconditionally clear libcall_is_dead and
17822 insn_is_dead, and only dump rtl if warnings aren't being
17825 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17827 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17828 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17829 (FIXED_REGISTERS): Set dirflag as fixed.
17830 (CALL_USED_REGISTERS): Set dirflag as used.
17831 (REG_ALLOC_ORDER): Set dirflag as last one.
17832 (DIRFLAG_REG): New macro.
17833 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17834 (HI_REGISTER_NAMES): Add dirflag.
17835 (DEBUF_PRINT_REG): Handle dirflag.
17836 * i386.md (type attribute): New cld and str types.
17837 (length_opcode attribute): Set cld and str to 1.
17838 (memory attribute): Set str to unknown - it is not clear from the
17840 (pent_np function unit): Prefixed string operations takes 12 cycles
17841 minimally; cld takes 2 cycles.
17842 (ppro_uops attribute): Str is "many" and cld is "few".
17843 (ppro_p0 unit): Handle cld here.
17844 (k6_alux unit): Handle cld and str types.
17845 (k6_load unit): It is ocupied by str opcodes.
17846 (k6_store unit): It is ocupied by str opcodes.
17847 (athlon_decode): Str is vector decoded.
17848 (athlon_ieu): Handle str and cld.
17849 (cld pattern): New.
17850 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17851 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17852 cmpstrsi_nz_1 insn): Do not output cld instruction
17854 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17856 * gcc.texi (G++ and GCC): Add Java and Chill.
17857 (Bug Critera): Don't list languages.
17859 * gcc.texi (Incompatibilities): No longer claim most C compilers
17862 * gcc.texi (G++ and GCC): Update other front-ends list.
17864 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17866 * i386.c (ix86_expand_setcc): Fix typo.
17867 (ix86_expand_movcc): Similarly.
17869 * Band-aid until haifa's bitset implementation is nuked.
17870 * haifa-sched.c (extract_bitlst): New parameter for size of the
17871 bitset in bits. All callers changed. Avoid looking at undefined
17872 bits in the bitset.
17873 (edgeset_bitsize): New variable.
17874 (schedule_region): Initialize edgeset_bitsize.
17876 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17878 * Makefile.in (optabs.o): Depend on real.h
17879 (resource.o): Depend on insn-attr.h
17881 * builtins.c (result_vector): Wrap prototype in macro conditions
17882 governing definition and use.
17884 * c-common.c: Include tm_p.h.
17886 * c-lex.c: Likewise.
17888 * elfos.h: Constify a char*.
17890 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17891 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17892 parameter with ATTRIBUTE_UNUSED.
17894 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17897 * haifa-sched.c (schedule_insns): Mark parameter with
17900 * optabs.c: Include real.h.
17902 * real.h (ereal_atof): Add prototype arguments.
17904 * resource.c: Include insn-attr.h.
17906 * sdbout.c (sdbout_queue_anonymous_type,
17907 sdbout_dequeue_anonymous_types): Wrap in macro
17908 SDB_ALLOW_FORWARD_REFERENCES.
17909 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17912 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17914 * stupid.c: Include tm_p.h.
17916 * tree.c (real_value_from_int_cst): Mark parameter with
17919 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17921 * i960-protos.h: New file.
17923 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17926 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17928 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17930 * combine.c (expand_field_assignment): Do not discard SUBREGs
17931 while computing nonzero_bits.
17933 2000-01-09 Nick Clifton <nickc@cygnus.com>
17935 * config/arm/arm.c: Fix compile time warnings about signed vs
17936 unsigned constants.
17937 * config/arm/arm.h: Fix compile time warnings about signed vs
17938 unsigned constants.
17940 2000-01-09 Philip Blundell <philb@gnu.org>
17942 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
17943 than `ldm' with only one register.
17944 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
17947 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
17950 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
17952 * config/ns32k/ns32k.md (load or push effective address): Operand 1
17955 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17957 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
17958 assignment used as truth value.
17960 * function.c (assign_temp): Mark parameter `dont_promote' with
17961 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
17962 PROMOTE_FOR_CALL_ONLY.
17964 * genrecog.c (write_subroutine): Mark variable `operands' with
17967 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
17970 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
17971 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
17973 * toplev.c (note_deferral_of_defined_inline_function): Likewise
17976 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17978 * config/c4x.h: Tidy up comments.
17979 * config/c4x.c: Likewise.
17981 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
17983 * fold-const.c (lshift_double, rshift_double): Handle
17984 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
17986 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17988 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
17989 in prepare_function_start().
17991 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
17993 * config/v850/v850.c (expand_epilogue): Interrupt functions no
17994 longer allocate extra stack for function calls.
17996 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17998 * config/c4x/c4x.md (*subqf3_set): Fix typo.
18000 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18002 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
18004 2000-01-07 David Edelsohn <edelsohn@gnu.org>
18006 * rs6000.c (processor_target_table): Add power3 as alias for 630.
18007 * aix43.h: Revert Aug 2 change.
18008 (HAS_INIT_SECTION): Define, not visible yet.
18009 (LD_INIT_SWITCH): Define, not visible yet.
18010 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
18012 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
18014 * collect2.c (main): Expand ld2 size further.
18015 (export_object_lst): Cast assignment to avoid warning.
18016 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
18017 (scan_prog_file, COFF): Do not collect initialization or
18018 finalization functions generated for entire shared object if
18019 init/fini support present.
18021 2000-01-07 Nick Clifton <nickc@cygnus.com>
18023 * config/elfos.h: Tidy up formatting of marcos. Make sure
18024 that .section directives are always prefixed by a tab.
18026 * config/svr4.h: Add #include "elfos.h" and remove duplicate
18029 2000-01-07 Matt Austern <austern@sgi.com>
18031 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
18034 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
18036 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
18038 (crtbegin.o, s-crtS): Likewise.
18040 2000-01-06 Richard Henderson <rth@cygnus.com>
18042 * alpha.md (adddi_2+1): Limit offset such that it will be
18043 loadable with a single ldah+lda pair.
18044 (adddi_2+2): Explicitly fail split if we can't make it work.
18046 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
18048 * protoize.c: Conditionally include unistd.h.
18049 (IS_SAME_PATH_CHAR): New macro.
18050 (IS_SAME_PATH): New macro.
18051 (CPLUS_FILE_SUFFIX): New macro.
18052 (cplus_suffix): New static variable.
18053 (is_abspath): New static function.
18054 (in_system_include_dir): Handle DOS style pathnames.
18055 (file_could_be_converted): Likewise.
18056 (file_normally_convertible): Likewise.
18057 (directory_specified_p): Likewise.
18058 (file_excluded_p): Likewise.
18059 (abspath): Likewise.
18060 (shortpath): Likewise.
18061 (referenced_file_is_newer): Likewise.
18062 (save_def_or_dec): Likewise.
18063 (do_processing): Likewise.
18065 (edit_file): Likewise. Use rename instead of link.
18066 (rename_c_file): Likewise. Don't rename syscalls file.
18067 (munge_compile_params): Define null device for DOS based systems.
18068 (process_aux_info_file): Use binary mode if appliable.
18069 (edit_file): Likewise.
18070 * invoke.texi (Running Protoize): Document C++ suffixes used.
18072 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
18073 IS_DIR_SEPARATOR macros.
18074 * collect2.c: Likewise.
18075 * cppinit.c: Likewise.
18076 * dwarf2out.c: Likewise.
18078 * gcov.c: Likewise.
18079 * prefix.c: Likewise.
18081 * toplev.c: Likewise.
18082 * system.h: And move to here.
18084 * prefix.c (update_path): Fix typo in variable name.
18086 2000-01-06 Richard Henderson <rth@cygnus.com>
18088 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
18089 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
18090 (count_reg_sets_1, count_reg_references): Likewise.
18091 (flow_loops_level_compute): Start counting actual loop depth at 1.
18092 (flow_loops_find): Likewise.
18093 * local-alloc.c (update_equiv_regs): Likewise.
18094 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
18096 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
18098 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
18099 FIRST_PSEUDO_REGISTER
18100 * dwarf2out.c: Don't include frame.h
18101 * dwarfout.c: Likewise
18102 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
18105 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
18107 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
18110 * i386.c (movsf splitter): Fix typo in my last checkin.
18112 2000-01-05 Nick Clifton <nickc@cygnus.com>
18114 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
18115 own definition of this macro.
18116 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
18117 flag_data_sections or UNIQUE_SECTION_P are true.
18119 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18120 unitialised data decls.
18122 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18123 being called for uninitialised data.
18125 * config/i386/interix.c (i386_pe_unique_section): Cope with
18126 being called for uninitialised data.
18128 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18129 for uninitialised data.
18131 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18132 for uninitialised data.
18134 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18135 for uninitialised data.
18137 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18138 (UNIQUE_SECTION_P): Always generate a unique section if
18139 flag_data_sections is true.
18140 (UNIQUE_SECTION): Also generate unique sections for
18141 uninitialised data.
18142 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18143 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18146 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18148 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18151 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18153 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18154 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18155 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18156 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18157 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18159 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18161 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18163 * c-decl.c (finish_enum): Simplify code to determine minimum and
18164 maximum values of the enum, and calculate the type. Remove check
18165 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18166 the DECL_INITIAL of each enumeration constant with a copy converted
18167 to the enumeration type. When updating variant types, don't bother
18168 updating the type itself.
18170 * c-typeck.c (build_binary_op): Simplify conditional expressions
18171 when weeding out spurious signed-unsigned warnings. Add new
18172 spurious warning category: if the unsigned quantity is an enum
18173 and its maximum value fits in signed_type(result_type). Update
18175 (build_conditional_expr): Warn here if one alternative is signed
18176 and the other is unsigned.
18178 2000-01-05 Nick Clifton <nickc@cygnus.com>
18180 * config/fr30/fr30.h: Remove extraneous comments.
18182 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18184 * reload1.c (choose_reload_regs): When disabling a reload, also
18185 set reload_spill_index to -1.
18187 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18189 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18191 (m68*-*-rtemself*): New target.
18192 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18193 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18194 (sparc*-*-rtemself*): New target.
18195 (sparc*-*-rtems*): Now elf not a.out.
18196 * config/i386/rtems.h: Include config/rtems.h.
18197 * config/i386/rtemself.h: Include config/rtems.h.
18198 * config/i960/rtems.h: Include config/rtems.h.
18199 * config/m68k/rtems.h: Include config/rtems.h.
18200 * config/m68k/rtemself.h: Include config/rtems.h.
18201 * config/mips/rtems64.h: Include config/rtems.h.
18202 * config/pa/rtems.h: Include config/rtems.h.
18203 * config/rs6000/rtems.h: Include config/rtems.h.
18204 * config/sh/rtems.h: Include config/rtems.h.
18205 * config/sh/rtemself.h: Include config/rtems.h.
18206 * config/sparc/rtems.h: Include config/rtems.h.
18207 * config/sparc/rtemself.h: Include config/rtems.h
18209 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18211 * final.c (shorten_branches): Correctly compute length of
18212 asms without operands.
18214 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18216 * configure.in: Add pj target.
18217 * configure: Regenerate.
18218 * config/pj: New directory.
18219 * config/pj/lib1funcs.S: New file.
18220 * config/pj/linux.h: New file.
18221 * config/pj/pj.c: New file.
18222 * config/pj/pj.md: New file.
18223 * config/pj/pjl.h: New file.
18224 * config/pj/t-pj: New file.
18225 * config/pj/xm-pj.h: New file
18227 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18229 * toplev.c (rest_of_compilation): Run shorten-branches before
18232 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18234 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18235 macros so that they're consistent with their names.
18236 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18237 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18239 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18241 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18242 modified inadvertently.
18244 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18246 * configure.in (v850*-*-rtems*): New target.
18247 * configure: Regenerate.
18248 * config/v850/rtems.h: New file.
18250 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18252 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18253 (__gthread_key_create): Likewise.
18254 (__gthread_key_dtor): Likewise.
18255 (__gthread_once): Fix logic.
18256 (__gthread_key_delete): Cast away constness.
18258 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18259 * invoke.texi: Document.
18260 * i386/mingw32.h (CPP_SPEC): Use.
18261 (LIBGCC_SPEC): Likewise.
18262 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18264 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18266 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18267 (HANDLE_PRAGMA_PACK): Undefine.
18268 (SLOW_UNALIGNED_ACCESS): Define.
18270 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18272 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18273 to default definition.
18274 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18275 (store_fixed_bit_field): Call macro with word_mode and alignment.
18276 (extract_bit_field): Call macro with relevant mode and alignment.
18277 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18278 to default definition.
18279 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18281 (move_by_pieces_ninsns): Likewise.
18282 (clear_by_pieces): Likewise.
18283 (emit_push_insn): Likewise.
18284 (store_field): Call macro with relevant mode and alignment.
18285 (expand_expr): Likewise.
18286 (expand_expr_unaligned): Likewise.
18288 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18289 (SLOW_UNALIGNED_ACCESS): Define.
18290 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18291 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18292 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18293 (toc_section): Likewise and .toc pseudo-op.
18294 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18296 (TEXT_SECTION_ASM_OP): Likewise.
18297 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18300 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18301 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18302 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18303 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18304 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18306 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18308 * regclass.c: Revert my Jan 4 change to loop cost computation.
18310 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18312 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18315 2000-01-04 Stan Cox <scox@cygnus.com>
18317 * haifa-sched.c (build_control_flow): Change unreachable simple
18318 loop test to check if current block has only one predecessor.
18319 (find_rgns): Initialize degree. Use dest as degree index, not src.
18321 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18323 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18325 * calls.c (expand_call): Likewise for
18326 `old_stack_arg_under_construction'.
18328 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18330 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18333 * gcc.c (execute): Likewise for `ut' and `st'.
18335 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18337 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18339 * jump.c (jump_optimize_1): Likewise for `temp2'.
18341 * local-alloc.c (block_alloc): Likewise for `r1'.
18343 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18345 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18346 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18348 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18351 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18352 and `goal_earlyclobber'.
18354 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18356 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18358 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18360 * unroll.c (copy_loop_body): Likewise for `copy'.
18362 * varasm.c (output_constructor): Likewise for `byte'.
18364 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18366 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18367 all FP constants for constant->reg moves.
18368 (ix86_split_to_parts): Try to convert memory address into immediate
18369 when available in the constant pool.
18370 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18372 (LEGITIMATE_CONSTANT_P): Return 1.
18373 * i386.md (pushsf): New splitter to convert constant pool memory
18374 reference to immediate.
18375 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18378 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18380 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18381 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18382 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18383 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18384 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18386 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18388 * ginclude/stdbool.h: Support compilation as C++.
18390 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18392 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18394 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18396 * regclass.c (regclass): Properly compute loop_cost. Adjust
18399 * regclass.c: Fix minor whitespace problems.
18401 2000-01-03 Anthony Green <green@cygnus.com>
18403 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18404 Restore the pic register if required.
18406 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18408 * c-common.c (format_char_info): Update comment.
18409 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18410 was recognized. Emit warning for formats new in ISO C99 only
18411 if flag_isoc9x is not set.
18413 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18415 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18417 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18419 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18420 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18421 (make_compound_operation): Choose cheaper alternative between
18422 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18424 * regclass.c (op_costs): Remove global variable.
18425 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18426 (record_operand_costs): Break out from ...
18427 (scan_one_insn): ... here.
18428 (dump_regclass): Make dumps nicer.
18429 (regclass): Dump preferrences choosed and changes done during passes.
18431 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18433 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18435 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18437 * config/sparc/sparc.c (gen_df_reg): New function.
18438 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18439 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18440 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18441 movtf_cc_reg_sp64+1): Use it.
18443 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18445 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18446 copied LABEL_DECLs.
18448 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18450 * config/i386/i386.c (ix86_expand_unary_operator): Function
18451 definition made void.
18452 (ix86_expand_binary_operator): Update outdated preceding comment.
18453 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18456 * config/i386/i386.c (override_options): Fix option-name typo.
18458 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18460 * system.h (CEIL): Define.
18461 * builtins.c (CEIL): Remove.
18462 * expmed.c (CEIL): Likewise.
18463 * expr.c (CEIL): Likewise.
18464 * stor-layout.c (CEIL): Likewise.
18466 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18468 * expr.c (store_constructor_field): Fix typo introduced with last
18471 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18473 * tree.h (BINFO_N_BASETYPES): New macro.
18475 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18477 * expmed.c (emit_store_flag): Prevent losing a pending stack
18478 adjust the same way we prevent losing queued increments.
18480 See ChangeLog.2 for earlier changes.