1 2000-07-21 Mark Mitchell <mark@codesourcery.com>
3 * ssa.c (rename_insn_1): Don't rename registers that are
6 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
8 * diagnostic.c (trim_filename, fancy_abort): Moved here from
10 (fatal_function, set_fatal_function): Removed.
11 (fatal): Don't prepare for or call the fatal_function.
12 (diagnostic_lock, error_recursion): New.
13 (diagnostic_for_decl, report_diagnostic): Guard against
14 re-entering the error reporting routines.
15 (fancy_abort): Assume function is not NULL.
17 * errors.c (fancy_abort): New. Assume function is not NULL.
18 * tradcpp.c (fancy_abort): Assume function is not NULL.
20 * system.h: Provide default definition of __FUNCTION__.
21 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
22 Always use __FUNCTION__ in definition of abort.
25 * toplev.h: Likewise. Don't prototype set_fatal_function.
27 2000-07-20 Geoff Keating <geoffk@cygnus.com>
29 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
31 * glimits.h: Don't do #if defined for ARCH_PPC.
33 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
34 constants of size no larger than a pointer should go in the TOC.
36 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
37 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
38 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
39 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
40 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
41 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
42 (rs6000_legitimize_address): Likewise.
43 (rs6000_emit_move): Likewise.
44 (rs6000_select_rtx_section): Likewise.
45 (output_toc): Deal properly with outputting small constants like
46 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
47 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
48 MODE parameter. Put small constants in the TOC.
50 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
52 (rs6000_emit_move): When reload calls us with an illegitimate
53 address, exit early. Move the change_address calls to one place
54 at the end of the routine. Merge the SImode and DImode expanders.
55 When called by reload to put an integer into a FP register, force
58 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
60 (rs6000_hash_constant): Hash mode too.
61 (toc_hash_function): Allow for key_mode.
62 (toc_hash_eq): Structures are different if key_mode differs.
63 (output_toc): Add 'mode' parameter. Save key_mode.
64 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
65 Pass 'mode' parameter.
66 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
68 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
69 for vtable references.
71 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
72 choice, don't put integer values in FP regs.
74 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
76 * flow.c (verify_flow_info): Revamp code to verify that the
77 head and end of each basic block are in the insn chain.
79 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
81 * gcse.c (record_one_set): Prepend instead of append onto
82 reg_set_table, making it O(n) instead O(n^2).
83 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
84 Use a queue instead of a stack as worklist.
86 2000-07-20 Kazu Hirata <kazu@hxi.com>
88 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
89 * h8300.h (OK_FOR_T): New.
90 (EXTRA_CONSTRAINT): Support OK_FOR_T.
91 * h8300.md: Use inc/dec.[wl] for increment/decrement
92 by 1 and 2 in HI and SI modes.
94 2000-07-20 Jim Wilson <wilson@cygnus.com>
96 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
99 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
101 * cppmacro.c (CAN_PASTE_AFTER): New macro.
102 (count_params): Don't set GNU_REST_ARGS on anything.
103 (save_expansion): Set PASTE_LEFT only on tokens for which
104 CAN_PASTE_AFTER is true, or which are named operators.
106 * cpplex.c (parse_args): Distinguish between a rest argument
107 given one empty argument, and a rest argument given zero arguments.
108 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
109 deletion of previous token based on that.
110 (get_raw_token): Flatten some control structure.
112 * cpplib.h (CPP_LAST_EQ): Correct.
113 (VOID_REST): New token flag.
114 (GNU_REST_ARGS): Delete.
116 * tradcpp.c (main): Don't munge -D options.
117 (make_definition): Bring -D handling in line with cpplib.
118 (do_define): Strip all leading whitespace from macro definitions.
120 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
122 * Makefile.in (tradcpp): Depend on intl.o and version.o.
124 2000-07-20 Bruce Korb <bkorb@gnu.org>
126 * fixincl/check.tpl: strip the platform specific types before testing
127 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
128 * fixincl/fixincl.tpl: use platform specific types
129 * fixincl/fixlib.h: include the platform specific types
130 * fixincl/inclhack.def(gnu_types): don't supply the types
131 * fixincl/fixincl.x: regen
133 2000-07-19 Jim Wilson <wilson@cygnus.com>
135 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
138 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
140 * tradcpp.c (rescan): Do not recognize directives when the #
143 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
145 Implement C++ named operators.
147 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
148 of operators allowed in #if and having an _EQ variant. Add
149 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
150 (cpp_token flags): Add NAMED_OP.
151 (enum node_type): Add T_OPERATOR.
152 (struct cpp_hashnode): Add code slot to value union.
153 * cpphash.h (spec_nodes): Remove n_defined.
155 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
156 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
157 (is_macro_disabled): Tweak error messages.
159 * cpplib.c (get_define_node): Disallow all named operators as
160 macro names. Tweak error messages.
161 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
163 * cppinit.c (builtin_array): Add entries for the named operators.
164 * cppexp.c (lex): Check for CPP_DEFINED token.
165 (priority table): Add entries for CPP_MIN and CPP_MAX.
166 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
168 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
170 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
171 larger than the array of cuids.
172 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
175 2000-07-19 Bruce Korb <bkorb@gnu.org>
177 * fixinc/fixincl.c: Convert to using a table of environment variables
178 and activate the auto-edit marker on the fixed output files.
179 * fixinc/fixlib.h: Define the environment table
180 * fixinc/fixincl.sh: export the ${INPUT} dir
181 * fixinc/check.tpl: likewise
183 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
185 * gcc.c (.h spec): Fix typo.
187 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
189 * Makefile.in: Fix tradcif.c path.
191 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
193 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
196 * cpphash.h (TOKEN_NAME): New macro.
197 (_cpp_spell_operator): Deleted.
198 (token_spellings): Now _cpp_token_spellings.
200 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
201 * cpplex.c: Use OP and TK macros when expanding the
202 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
203 store the stringification of the enumeration name (CPP_CHAR,
204 etc.) in the name slot of token_spellings.
205 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
206 token_spellings directly.
207 * cpplib.c: Use TOKEN_SPELL.
209 * cpplex.c (_cpp_push_token): If the token being pushed back
210 is the previous token in this context, just subtract one from
212 * cppmacro.c (save_expansion): Clear aux field when storing a
215 2000-07-18 Jakub Jelinek <jakub@redhat.com>
217 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
218 buffer, provided it is not NULL.
220 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
222 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
223 case of invalid volatile re-declaration.
225 2000-07-18 Jakub Jelinek <jakub@redhat.com>
227 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
228 (expand_call): Adjust caller.
230 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
232 * diagnostic.h (report_diagnostic): Change prototype.
234 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
235 diagnostic_for_decl): Change prototype.
236 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
237 error, warning, error_with_file_and_line,
238 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
239 Adjust call to report_diagnostic, diagnostic_for_decl.
240 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
241 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
243 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
244 varaible argument list.
246 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
248 * cpphash.c: Don't include hashtab.h. Most macro-handling code
250 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
251 dump_hash_helper): Delete.
252 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
253 cpp_forall_identifiers): New. Implement specialized version of
254 Vlad's expandable hash table.
255 (cpp_lookup): Use new functions.
256 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
258 * cppmacro.c: New file.
259 * cppinit.c (dump_macros_helper): New.
260 (cpp_finish): Iterate over the identifier table directly.
261 * cpplex.c (parse_name): Calculate the hash of the identifier
262 while we scan it. Use _cpp_lookup_with_hash when we can.
264 * cpphash.h: Update prototypes.
265 (xcnewvec, HASHSTEP): New helper macros.
266 * cpplib.h: Update prototypes.
267 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
268 (cppmacro.o): New rule.
269 (cpphash.o): Update deps.
271 * cppmain.c: Do not set pfile->printer if no_output is on.
273 2000-07-15 Neil Booth <neilb@earthling.net>
275 * cpplib.c: Change all directive-handler functions to return
277 * cpphash.h: Update typedefs.
279 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
281 * configure: Regenerate.
283 * extend.texi (Extended Asm): Mention that a memory clobber
284 does not count as a side-effect.
286 * unroll.c (copy_loop_body): Fix one instance of using host
287 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
290 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
292 2000-07-17 Richard Henderson <rth@cygnus.com>
294 * config/ia64/ia64.md (movdi): Split out load address code.
295 New post-reload splitter for symbolic operands.
296 (movdi_internal): Abort if we didn't split symbolic operands
298 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
299 (ia64_reorg): Split insns when not optimizing.
300 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
302 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
304 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
305 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
307 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
309 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
311 2000-07-17 Jason Merrill <jason@redhat.com>
313 * Makefile.in (clean): Remove libgcc directory.
315 * configure.in (-Wno-long-long check): Use higher-level macros.
317 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
319 * simplify-rtx.c (simplify_binary_operation): Recognize
320 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
321 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
322 a CONST_INT, it will always be zero.
324 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
326 * loop.c (check_dbra_loop) : Return if more than one condition is
327 present to control the loop.
329 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
331 * mips.c (mips_expand_prologue): Don't calculate the last argument
332 register unless we need it. When we are calculating this, make
333 sure FUNCTION_ARG is giving us a REG.
335 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
337 * flow.c (libcall_dead_p): Use single_set to verify the insn
338 has only one set and get for analysis.
339 (propagate_one_insn): Don't pass the PATTERN of the insn.
341 2000-07-17 Mark Klein <mklein@dis.com>
343 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
345 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
347 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
348 * configure.in (TARGET_GETGROUPS_T): Evaluate.
349 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
350 of second argument of getgroups.
351 * configure, config.in: Rebuilt.
353 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
355 * simplify-rtx.c (simplify_relational_operation): Two signed
356 values with equal high words are less/greater than each other if
357 their low words are less/greater when considered as unsigned.
359 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
361 * configure.in (vax-*-openbsd): Change to new style configuration,
362 add collect2/float_format information.
363 * configure: Rebuilt.
364 * config/vax/openbsd1.h: New.
365 * config/vax/openbsd.h: New.
366 * config/vax/t-openbsd: New.
368 2000-07-17 Chip Salzenberg <chip@valinux.com>
370 * c-common.c (shorten_compare): Quiet warnings about unsigned
371 comparisons with zero when they occur in a system header.
373 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
375 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
376 update to describe current practice.
378 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
380 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
381 references to C9X. Change references to -fstd and -flang-isoc9x
384 * c-common.c (scan_char_table): Allow "z" length modifiers on
386 (check_format_info): Use TYPE_DOMAIN on the type matched against
387 for "z" formats, to retrieve the language size_t rather than the
390 * c-common.c (check_format_info): Do not make a pedantic objection
391 to the 'L' length modifier if used with a floating point type
394 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
395 constants in C99 mode.
397 2000-07-17 Kazu Hirata <kazu@hxi.com>
399 * h8300.md: Fix the format of mac.
400 (movsi_h8300hs): Output a tab after stmac instead of a space.
402 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
403 profitable adds/subs sequences.
405 * fold-const.c: Fix comment typos.
407 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
409 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
411 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
413 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
415 2000-07-16 Neil Booth <NeilB@earthling.net>
417 * cpplex.c: Update comments.
418 * README.Portability: Small update.
420 2000-07-16 Neil Booth <NeilB@earthling.net>
422 * README.Portability: Small update.
424 2000-07-15 Richard Henderson <rth@cygnus.com>
426 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
427 * config/ia64/ia64.c (ia64_move_ok): New function.
428 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
429 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
431 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
433 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
434 immediately following a paste operator.
435 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
436 (cpp_reader_init): Call it, if HOST_EBCDIC.
437 (cpp_handle_options): Do not sort option list here.
438 (handle_option): Rename to cpp_handle_option and export.
439 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
440 _cpp_get_token directly.
441 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
442 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
443 * cpplib.h: Prototype cpp_handle_option. Update prototype of
446 2000-07-15 Richard Henderson <rth@cygnus.com>
448 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
449 cast around an expression. Tidy other unsigned tests.
451 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
453 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
454 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
455 (v_message_with_decl): Rename to ...
456 (format_with_decl): ... this. Tweak
457 (diagnostic_for_decl): New function.
458 (fatal_io_error): Use verbatim in lieu of notice.
459 (announce_function): Use verbatim.
460 (default_print_error_function): Likewise.
461 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
464 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * mips.c (function_arg_pass_by_reference): Don't do automatic
467 aggregate initialization.
468 (machine_dependent_reorg): Initialize variable `mode'.
470 * mips.md (absdi2): Change variable `regno1' to unsigned int.
471 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
472 conflicts with sys/param.h macro of the same name.
473 (reload_outdi): Likewise.
475 2000-07-15 Michael Meissner <meissner@redhat.com>
477 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
478 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
479 create a new node instead.
481 2000-07-15 Neil Booth <NeilB@earthling.net>
483 * README.Portability: Correct example about calling a function
484 through a pointer to function. Format wide paragraphs.
486 2000-07-15 Michael Meissner <meissner@redhat.com>
488 * README.Portability: Update integer suffixes and function
491 2000-07-15 Neil Booth <NeilB@earthling.net>
493 * README.Portability: Small update.
495 2000-07-15 Neil Booth <NeilB@earthling.net>
497 * README.Portability: New file.
499 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
501 * INSTALL: Give special instructions for building GCC on Irix 6.
502 * config/mips/x-iris6 (CC): Don't set it.
505 2000-07-14 Jason Merrill <jason@redhat.com>
507 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
508 register in the stack and later in another register, use the new
511 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
513 * config/mips/mips.md: (absdi2): Handle sign_extend for
516 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
518 * cpplib.c (do_pragma_dependency): Tidy warning messages.
520 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
522 * .cvsignore: Correct typo.
524 2000-07-13 Mark Mitchell <mark@codesourcery.com>
526 * .cvsignore: Add generated YACC files.
527 * objc/.cvsignore: New file.
529 2000-07-14 Neil Booth <NeilB@earthling.net>
531 * cpplex.c (adjust_column): New funcion.
532 (skip_whitespace): Use it.
533 (skip_block_comment): Use it, and warn about /*/* with
536 2000-07-14 Neil Booth <NeilB@earthling.net>
538 * cpphash.c (struct macro_info): Add new members.
539 (_cpp_free_definition): Delete the macro directly.
540 (count_params): Return void, with first token of
541 expansion in struct macro_info on success.
542 (parse_define): Return int. Hoist syntax checking from
543 save_macro_expansion. Leave call to save_expansion to
544 _cpp_create_definition.
545 (alloc_macro): Needs just 2 arguments.
546 (free_macro): Delete.
547 (save_expansion): Don't perform syntax check.
548 (_cpp_create_definition): Call save_expansion.
550 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
552 * genrecog.c (write_header): Split long string.
554 * cpphash.c (macro_info): Don't use the `signed' keyword.
556 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
558 2000-07-13 Jakub Jelinek <jakub@redhat.com>
560 * calls.c (stored_args_map): New variable.
561 (check_sibcall_argument_overlap_1): New.
562 (check_sibcall_argument_overlap): New.
563 (expand_call): Initialize stored_args_map.
564 Call check_sibcall_argument_overlap.
566 2000-07-13 Bruce Korb <bkorb@gnu.org>
568 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
569 (emit_gnu_type): utility procedure for gnu_type_fix
570 (gnu_type_fix): implement various pre-processor guards around
571 standard types so these types can be defined over and over
572 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
573 types alluded to above will have GNU-compliant base types
574 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
575 * fixinc/inclhack.def: add test_text entries and utilize the new
576 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
577 * fixinc/fixincl.x: regenerate
579 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
581 * diagnostic.c (vline_wrapper_message_with_location,
582 v_message_with_file_and_line, v_error_with_file_and_file,
583 v_error_for_asm, v_warning_for_asm, vfatal,
584 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
585 vsorry, verror, vwarning, vpedwarn): Remove.
586 (diagnostic_for_asm): New function.
587 (pedwarn, error, warning, pedwarn_with_file_and_line,
588 error_with_file_and_line, warning_with_file_and_line, sorry,
589 error_for_asm, warning_for_asm, fatal): Reimplement.
590 (finish_diagnostic): Clear diagnostic info as well.
592 2000-07-13 Neil Booth <NeilB@earthling.net>
594 * c-common.h (flag_digraphs): New.
595 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
596 * c-lex.c (yylex): Use flag_digraphs to decide whether to
599 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
601 * gcc.c (do_spec_1): Add new %B operator.
602 (set_input): Prepare for %B.
604 (link_command_spec): Move up with the other tm.h-
605 overrideable specs. Factor out the portion conditional on
606 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
607 (struct compiler): Just have a single spec string. All users
609 (default_compilers): Remove unnecessary braces.
610 (static_specs): Update.
612 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
614 (C and assembly specs): Use the new named specs, as appropriate.
616 * objc/lang-specs.h: Use the new named specs.
617 Remove unnecessary braces.
619 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
621 * gcc.c (execute): If a subprocess gets a fatal signal, report
622 strsignal() of the signal number, and ask for a bug report.
623 Do not do this for SIGPIPE if there's already been an error.
625 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
630 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
632 * final.c (profile_function): Do not emit profile counters in
633 the data section, if NO_PROFILE_COUNTERS is defined.
634 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
637 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
638 (FUNCTION_PROFILER): Just emit a call to mcount.
640 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
642 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
644 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
645 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
646 traditional, lang_chill, or lang_fortran.
648 * cppfiles.c: #undef strcmp to suppress warning about macros
649 used without arguments.
650 (_cpp_execute_include): Use f, not fname, in "No include path"
652 (_cpp_pop_file_buffer): New function.
653 * cpplib.c: Don't include <sys/mman.h>.
654 (cpp_push_buffer): Set line_base and lineno in new buffer.
655 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
657 * cpplex.c: Move all prototypes and structure declarations to the
658 top of the file. Properly parenthesise some macro arguments.
659 (cpp_scan_line): New function.
660 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
661 don't need to walk up the stack counting.
663 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
665 * c-common.c (combine_strings): Emit a pedantic warning when a
666 string length is greater than the minimum ANSI C is required
669 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
671 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
672 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
674 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
676 * c-decl.c (define_label): Warn about identifier conflicts with
677 labels in traditional C.
679 * c-parse.in (unop +): Warn about the unary plus operator for
682 * c-typeck.c (store_init_value): Warn about automatic aggregate
683 initialization for traditional C.
685 * invoke.texi (-Wtraditional): Document new warnings.
687 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
689 * Makefile.in (c-errors.o): Fix thinko in dependency.
691 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
693 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
694 -traditional, -ftraditional, or -traditional-cpp was given.
695 Do not pass -traditional to the preprocessor.
696 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
697 preprocessor does it automatically.
698 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
700 * ch/lang-specs.h: Always use tradcpp. Do not pass
701 -traditional, -trigraphs, or -pedantic to the preprocessor.
702 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
705 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
707 * cppexp.c (LOGICAL): Delete macro.
708 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
711 * cpphash.c (HASHSIZE): Increase to 4096.
712 (struct hashdummy): Add hash field.
713 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
714 the string values using memcmp.
715 (cpp_lookup): Set dummy.hash.
717 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
719 * configure.in (m88k-openbsd): Express configuration using new fragment
721 * configure: Rebuilt.
722 * m88k/aout-dbx.h: New.
723 * m88k/openbsd.h: New.
724 * m88k/xm-openbsd.h: New.
726 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
728 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
730 2000-07-12 Richard Henderson <rth@cygnus.com>
732 * reload.c (push_secondary_reload): Make sure to add the new
733 reload at the end, after acquiring secondary memory.
735 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
737 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
739 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
740 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
742 * c-parse.in (stmt): Delete unused variables.
744 * convert.c (convert_to_vector): Likewise.
746 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
748 * tree.c (finish_vector_type): Prototype.
750 2000-07-12 Bruce Korb <bkorb@gnu.org>
752 * fixinc/fixfixes.c: use xmalloc
753 * fixinc/fixincl.c(initialize): set program name for xmalloc
754 * fixinc/fixlib.c(must_malloc): obsolete
755 (is_cxx_header): no longer used - disabled
756 (skip_quote): inserted and disabled for future use
757 * fixinc/fixlib.h: reflects above
758 * fixinc/fixtests.c: removed dinkleberries
760 2000-07-12 Neil Booth <NeilB@earthling.net>
762 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
763 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
765 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
766 struct toklist_dummy): New.
767 (cpp_free_definition): Free macros with free_macro.
768 (count_params): Don't save paramter spellings. Save macro
769 information in a struct macro_info.
770 (parse_define): Don't allocate a token list.
771 (save_expansion): Allocate the macro's token list, and
772 save parameter spellings if necessary. Use TOKEN_SPELL.
773 (cpp_create_definition): Make list const.
775 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
777 * c-typeck.c (pedwarn_c99): Move to
778 * c-errors.c: ... Here.
779 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
780 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
781 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
782 (c-errors.o): List dependency.
784 2000-07-12 Mark Mitchell <mark@codesourcery.com>
787 * c-parse.h: Likewise.
788 * c-parse.y: Likewise.
789 * objc/objc-parse.c: Likewise.
790 * objc/objc-pasre.y: Likewise.
792 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
794 * gcc.texi: Fix minor typos
795 * extend.texi: Fix minor typos
797 2000-07-11 Marc Espie <espie@openbsd.org>
799 * collect2.c (main): Recognize .lo as object files.
801 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
803 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
806 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
807 with MAP_ANONYMOUS and MAP_ANON.
808 * configure, config.in: Rebuilt.
810 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
812 * diagnostic.c (save_output_state): Remove.
813 (restore_output_state): Likewise.
814 (clear_text_info): New function.
815 (clear_diagnostic_info): Likewise.
816 (output_text_length, is_starting_newline, output_prefix,
817 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
818 prefixing_policy, output_buffer_ptr_to_format_args): New macros
819 (set_real_maximum_length, output_set_maximum_length,
820 output_set_prefix, output_get_prefix, output_set_maximum_length,
821 output_destroy_prefix, init_output_buffer,
822 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
823 output_add_newline, output_add_character, output_add_space,
824 output_append_r, output_append, wrap_text, output_format,
825 output_do_printf, output_printf, output_do_verbatim,
826 output_verbatim, verbatim): Use them.
827 (output_clear): Split into cleat_text_info and
828 clear_diagnostic_info.
829 (struct output_state): Move to...
831 * diagnostic.h: ...Here
832 (struct output_buffer): Adjust.
834 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
836 * cpplex.c (parse_name): No longer inline (premature optimization).
837 (do_pop_context): Fold into pop_context.
838 (pop_context): Returns int.
839 (lex_next): Hoist test for end of directive into pop_context.
840 (push_macro_context): Returns int; takes just reader and token.
841 Hoist test for excessive nesting to caller.
842 (push_arg_context): Returns void; takes just reader and token.
843 Do not call stringify_arg or get_raw_token.
844 (get_raw_token): Convert tail recursion through push_arg_context
845 to a loop at this level. Call stringify_arg here if appropriate.
846 (maybe_paste_with_next): Convert tail recursion to a while loop.
847 Hoist test of paste_level to caller.
849 (stringify_arg): Push arg context at beginning.
850 (cpp_get_token): Split out core into _cpp_get_token. Call
851 process_directive here. Throw away CPP_PLACEMARKER tokens.
852 (_cpp_get_token): Convert tail recursion through
853 push_macro_context to a loop at this level.
854 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
855 _cpp_get_raw_token): Use _cpp_get_token.
856 (_cpp_skip_rest_of_line): Drop the context stack directly; do
857 not call pop_context.
858 (_cpp_run_directive): Call lex_next directly.
860 * cpphash.h: Prototype _cpp_get_token.
861 * cppexp.c (lex): Use it.
862 * cpphash.c (parse_define): Use it.
863 * cpplib.c (get_define_node, do_undef, parse_include,
864 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
865 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
866 parse_ifdef, validate_else): Use it.
867 (cpp_push_buffer): Tweak error message; abort if anyone tries
868 to push a buffer while macro expansions are stacked.
870 2000-07-11 Donn Terry <donnte@microsoft.com>
872 * cpplex.c (free_macro_args, save_token): Cast arg of free
873 and/or xrealloc to PTR.
874 (_cpp_init_input_buffer): Clear all fields of the base context.
876 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
878 * gensupport.c (process_rtx): Make rtl checking stop
879 complaining about the define_insn while it is being
880 converted from a define_insn_and_split.
882 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
884 * config/mips/mips.c (simple_memory_operand): Access the
885 INTVAL of the address, not it's containing MEM.
887 2000-07-11 Bruce Korb <bkorb@gnu.org>
889 * fixinc/fixtests.c(double_slash): obsolete
890 (else_endif_label): likewise
891 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
892 (libc1_ifdefd_memx): correct initial comment
893 and omit the #if/#endif pair from the memxxx declarations
894 * fixinc/fixincl.x: regen
896 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
898 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
900 2000-07-11 Neil Booth <NeilB@earthling.net>
904 2000-07-11 Neil Booth <NeilB@earthling.net>
906 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
907 (handle_option): Set digraphs according to standard.
908 Merge OPT_lang_c89 handler with OPT_std_c89.
910 * cpplex.c: (lex_line, can_paste): Honour digraphs in
911 accordance with the digraphs flag.
913 * cpplib.h: (struct cpp_options): New option digraphs.
915 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
916 Bruce Korb <bkorb@gnu.org>
918 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
919 * fixinc/fixincl.x: Regenerate.
920 * fixinc/tests/base/testing.h: Add testcase.
922 2000-07-10 Richard Henderson <rth@cygnus.com>
924 * config/ia64/ia64.c (got_symbolic_operand): New.
925 (symbolic_operand, move_operand): Revert 0701 change.
926 * config/ia64/ia64.h (PREDICATE_CODES): Update.
927 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
928 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
929 split the offset into a 14-bit low part instead of a 13-bit low part.
930 (load_fptr): Mark the mem as unchanging.
931 (load_symptr): Use got_symbolic_operand.
933 2000-07-10 Nick Clifton <nickc@cygnus.com>
935 * libgcc2.c (next_stack_level): Cast result of computation to
936 (void **) so that the assignment does not generate a warning.
938 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
940 * flags.h : Add new variable flag_single_precision_constant.
941 * toplev.c (display_help) : Add -fsingle-precision-constant option.
942 (flag_single_precision_constant): New.
943 * c-lex.c (yylex): Convert floating point constant to single
945 * invoke.texi : Add documentation for this new option.
947 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
949 * diagnostic.c (output_octal): Second parameter is unsigned.
950 (output_long_octal): Likewise.
951 (output_hexadecimal): Likewise.
952 (output_long_hexadecimal): Likewise.
953 (output_format): Adjust arguments extraction. Tweak.
954 (output_verbatim, verbatim): End variable argument list.
955 (report_diagnostic): Improve documentation.
957 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
959 * c-common.h (build_stmt): Declare.
960 (build_continue_stmt): Likewise.
961 (build_break_stmt): Likewise.
962 (build_return_stmt): Likewise.
964 * c-decl.c (do_case): Rewrite to do what previously done in
967 * c-semantics.c (build_stmt): Define.
968 (build_return_stmt): Likewise.
969 (build_break_stmt): Likewise.
970 (build_continue_stmt): Likewise.
971 (build_case_label): Likewise.
973 * c-parse.in (BREAK): Change to build tree, then generate RTL.
974 (CONTINUE): Likewise.
979 * c-parse.y: Regenerate.
980 * c-pasre.c: Likewise.
982 2000-07-09 Jason Merrill <jason@redhat.com>
984 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
986 * tree.h (STRIP_NOPS): Check for error_mark_node.
987 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
988 (dwarf2out_*): Remove duplicate declarations.
990 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
991 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
993 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
995 * diagnostic.c (wrap_text): New function.
996 (maybe_wrap_text): Likewise.
997 (output_add_string): Use it.
998 (output_format): Likewise.
999 (count_error): Use verbatim instead of notice.
1000 (report_error_function): Likewise. Don't use plain fprintf.
1001 (finish_diagnostic): New function.
1002 (output_do_verbatim): Tweak. Commonalize functionalities in
1003 output_verbatim and verbatim.
1004 (output_verbatim): Adjust.
1005 (verbatim): Likewise.
1006 (report_diagnostic): Define.
1008 * diagnostic.h (report_diagnostic): Prototype.
1010 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
1012 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
1014 2000-07-09 Neil Booth <NeilB@earthling.net>
1016 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
1017 IShspace, ISspace: Update.
1019 * cppinit.c: ISTABLE: Update.
1022 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
1023 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
1024 (skip_block_comment, skip_line_comment, parse_string,
1025 lex_line): Use is_vspace rather than IS_NEWLINE.
1026 (skip_whitespace, lex_line): Clean up to use is_nvspace.
1027 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
1029 (lex_next): Unconditionally stop if within a directive.
1030 Treat directives within macro invocations as directives
1031 (after parse_args emits error), not as the argument.
1033 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
1035 * diagnostic.c (diagnostic_args): New macro.
1036 (diagnostic_msg): Likewise.
1037 (output_formatted_integer): Likewise.
1038 (output_state): New data type.
1039 (digit_buffer): Make global.
1040 (output_add_integer): Rename to output_decimal. Squeeze
1042 (output_long_decimal, output_unsigned_decimal,
1043 output_long_unsigned_decimal, output_octal, output_long_octal,
1044 output_hexadecimal, output_long_hexadecimal): New functions.
1045 (output_append_r): New function.
1046 (output_append): Tweak.
1047 (output_flush_on): Rename to output_to_stream.
1048 (output_format): Change prototype. Improve documentation. Handle
1049 more format specifiers.
1050 (build_location_prefix): Rename to context_as_prefix.
1051 (output_notice): Rename to output_do_printf.
1052 (output_printf): Tweak.
1053 (line_wrapper_printf): Likewise.
1054 (vline_wrapper_message_with_location): Adjust call to renamed
1056 (v_message_with_decl): Likewise.
1057 (default_print_error_function): Likewise.
1058 (save_output_state): New function.
1059 (restore_output_state): Likewise.
1060 (output_do_verbatim): Likewise.
1061 (output_verbatim): Define.
1062 (verbatim): Likewise.
1064 * diagnostic.h (printer_fn): Change return type from void to int.
1065 Improve documentation.
1066 (output_add_integer): Rename to output_decimal.
1067 (output_flush_on, output_format): Don't export.
1068 (output_verbatim, verbatim): Declare.
1070 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
1072 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
1073 Check whether c divides op1 exactly if operation is not
1076 2000-07-08 Richard Henderson <rth@cygnus.com>
1078 * final.c (final): Do not abort when reg-stack introduces
1081 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
1083 * cpplib.h (struct cpp_name): Now struct cpp_string.
1084 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
1085 CPP_HEADER_NAME): Change to type S.
1086 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
1087 field, a cpp_hashnode *. All references to val.name updated
1088 to use val.str or val.node as appropriate.
1089 (struct cpp_reader): Add spec_nodes field.
1090 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
1092 * cpphash.h (struct spec_nodes): New.
1093 (enum spell_type): Reorder. Only SPELL_STRING tokens use
1094 val.str. All references to 'spelling > SPELL_NONE' updated to
1097 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
1098 pfile->buffer->inc are not NULL before dereferencing them.
1100 * cpplex.c (parse_name): Take a pointer to the current token,
1101 plus current position and limit as args; return the new
1102 position; don't copy the text of a name into the string
1103 buffer, instead call cpp_lookup and store the node pointer.
1104 If extending a token, copy out the text of the old into a
1105 scratch buffer, append the new, look that up and store the new
1106 node pointer. Inline.
1107 (maybe_paste_with_next): If the result of paste is a NAME,
1108 then look up the pasted text and store its node pointer.
1109 (lex_line): Adjust for new parse_name interface.
1110 Check for L"str", L'str' using spec_nodes->n_L.
1111 (spell_token): SPELL_IDENT tokens have their spelling in
1112 val.node->name. Handle SPELL_STRING tokens that don't have
1114 (_cpp_expand_name_space,
1115 (can_paste): Check for L ## "str" using spec_nodes->n_L.
1116 (cpp_get_token, special_symbol): No need to call cpp_lookup.
1117 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
1118 return 1=equal 0=not, not a tristate.
1120 * cpphash.c (var_args_str): Delete.
1121 (find_param): Compare node fields directly.
1122 (is__va_args__): Use CPP_PEDANTIC. Just compare
1123 token->val.node with spec_nodes->n__VA_ARGS__.
1124 (dump_funlike_macro): Don't use var_args_str.
1126 * cpplib.c (_cpp_check_directive): Just walk through
1127 spec_nodes->dirs comparing pointers.
1128 (get_define_node, do_pragma_poison, detect_if_not_defined,
1129 parse_ifdef): The identifier has already been looked up.
1130 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
1132 (do_if): Only call detect_if_not_defined at beginning of file.
1133 (_cpp_parse_assertion): Only copy string pointers for
1134 SPELL_STRING tokens.
1135 (pragma_dispatch): Take a node pointer and examine its name
1137 (_cpp_init_stacks): Also initialize the spec_nodes structure.
1139 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
1141 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
1142 reverse order from the corresponding _cpp_init_* routines.
1144 * cppexp.c (parse_number, parse_charconst, parse_defined,
1145 lex): Check val.node->type instead of calling cpp_defined.
1146 Use spec_nodes entries where appropriate.
1148 * fix-header.c, scan-decls.c: Update for interface changes.
1150 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
1152 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
1153 emitting aux_truncdfsf2.
1155 2000-07-03 Donn Terry (donnte@microsoft.com)
1157 * cppinit.c (print_help): split overlong line into ISO C89
1160 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1162 * cppexp.c: Update all code for new lexer interface.
1163 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
1164 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
1165 * cpplex.c (token_names): Trim leading CPP_ from names; make
1166 the strings unsigned.
1167 (_cpp_spell_operator): New.
1168 (is_macro_disabled): Disable all macros if rescanning
1170 (_cpp_get_directive_token): Remove.
1172 * cppinit.c: Don't set no_macro_expand.
1173 * cpplib.c (read_line_number, do_line): Check only for EOF,
1175 * cpphash.h: Update prototypes.
1176 * cpplib.h (CPP_VSPACE): Remove.
1177 (struct cpp_reader): Remove no_macro_expand.
1179 2000-07-08 Neil Booth <NeilB@earthling.net>
1181 * cpphash.c (is__va_args__): New function.
1182 (count_params): Fix line reported in error messages. Use
1183 is__va_args__. Don't return ')' on error. Flag GNU style
1184 rest args macro definitions.
1185 (parse_define): Check macro name is not __VA_ARGS__.
1186 (save_expansion): Check identifier in non-varargs-macro is
1187 not __VA_ARGS__. Don't flag GNU_VARARGS.
1188 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1189 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1190 than per-token GNU_VARARGS.
1191 * cpplib.h (GNU_VARARGS): Remove.
1192 (GNU_REST_ARGS): New.
1194 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1196 * i386.md (call_pop, call, call_value_pop): Do not set
1197 current_function_uses_pic_offset_table for calls to static
1198 functions or indirect calls.
1200 2000-07-07 Jim Wilson <wilson@cygnus.com>
1202 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1203 is_predicate_reg, then take max write_count of register pair.
1205 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1207 * tradcpp.c (main): Rename label `include' to `add_include' to
1208 avoid conflicts with variable `include' in traditional C.
1210 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1212 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1214 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1216 * sibcall.c (uses_addressof): Add INMEM argument, check for
1217 current_function_internal_arg_pointer outside of MEM rtxs in addition
1219 (sequence_uses_addressof): Update caller.
1221 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1223 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1226 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1228 * system.h (UNION_INIT_ZERO): New macro for initializing union
1231 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1233 2000-07-07 Neil Booth <NeilB@earthling.net>
1237 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1239 * final.c (final): Detect out of bounds array access to
1240 the insn_lengths array.
1242 2000-07-07 Kazu Hirata <kazu@hxi.com>
1244 * fold-const.c (fold): Fix a comment typo.
1246 2000-07-07 Neil Booth <NeilB@earthling.net>
1248 * cpp.texi: Update to new lexer.
1250 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1252 * tradcpp.c: New file.
1253 * tradcif.y: New file.
1254 * tradcif.c: New generated file.
1256 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1257 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1258 dependencies of C. Install tradcpp from install-common, in
1261 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1263 * cppinit.c: Include cppdefault.h. Refer to
1264 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1265 to GCC_INCLUDE_DIR and its length.
1266 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1267 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1268 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1270 (include_defaults_array): Move to cppdefault.c.
1272 * cppdefault.h: New file.
1273 * cppdefault.c: New file.
1275 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1276 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1277 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1280 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1282 * reload.c (push_reload): When seeing if can reuse a register,
1283 check extra registers against widest of INMODE and OUTMODE.
1285 2000-07-06 Neil Booth <NeilB@earthling.net>
1287 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1288 based on full length of predicate.
1290 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1292 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1293 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1295 2000-07-05 Kazu Hirata <kazu@hxi.com>
1297 * h8300-proto.h: Fix formatting.
1298 * h8300.c: Likewise.
1299 * h8300.h: Likewise.
1301 2000-07-05 Jim Wilson <wilson@cygnus.com>
1303 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1306 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1308 * invoke.texi: Fix minor typos
1309 * md.texi: Fix minor typos
1311 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1313 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1315 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1317 * cpplex.c: Don't include sys/mman.h.
1318 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1320 * cpplib.c: Include sys/mman.h and obstack.h.
1321 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1323 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1324 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1325 bother freeing if stack entries (they will be freed with their buffer).
1326 (do_endif): Free if stack entries from the buffer obstack.
1327 (push_conditional): Allocate if stack entries from the buffer obstack.
1329 (find_answer): Rename to _cpp_find_answer.
1330 (do_assert, do_unassert): Update.
1332 * cpphash.h: Update prototypes.
1333 (xobnew): New convenience macro.
1334 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1336 (struct cpp_hashnode): Remove disabled field.
1338 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1339 (report_missing_guard): Moved to cppfiles.c.
1340 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1342 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1343 cpp_cleanup_includes. Don't destroy hashtab or
1344 all_include_files here.
1345 (cpp_finish): Use _cpp_report_missing_guards.
1347 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1348 (_cpp_init_include_table): Rename _cpp_init_includes.
1349 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1351 * cppexp.c (parse_assertion): Update for new name of
1354 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1356 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1358 * cpplib.c (do_ident): s/VSPACE/EOF/
1360 2000-07-05 Neil Booth <NeilB@earthling.net>
1362 * cpplex.c: Fix trigraph replacement within strings.
1364 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1366 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1368 * xcoffout.c (assign_type_number): Constify.
1369 (xcoffout_source_file): Add static prototype. Don't needlessly
1370 cast away const-ness.
1372 2000-07-04 Jason Merrill <jason@redhat.com>
1374 * frame.h (frame_state): Move base_offset to end.
1376 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1378 * calls.c (emit_library_call_value_1): Revert previous change.
1380 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1382 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1383 (recognized_extern, recognized_function, read_scan_file):
1384 Update for new scheme.
1385 (check_protection): It's still a multiple include guard even
1386 if it doesn't always trigger.
1387 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1389 * scan.h: Declare struct cpp_token. Update prototypes.
1391 2000-07-03 Neil Booth <neilb@earthling.net>
1392 Zack Weinberg <zack@wolery.cumb.org>
1394 Complete overhaul of the lexer and macro expander.
1396 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1397 arg, arglist, argdata, reflist, collect_objlike_expansion,
1398 collect_funlike_expansion, collect_params,
1399 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1400 unsafe_chars, macarg, compare_defs, special_symbol,
1401 scan_arguments, stringify, funlike_macroexpand,
1402 _cpp_quote_string, monthnames): Delete.
1403 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1404 _cpp_create_definition, _cpp_dump_definition,
1405 dump_hash_helper): Adjust.
1406 (find_param, count_params, parse_define, var_args_str,
1407 check_macro_redefinition, save_expansion): New.
1409 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1410 parse_string, output_line_command, trigraph_replace,
1411 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1412 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1413 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1414 _cpp_skip_rest_of_line): Modify.
1416 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1417 find_position, null_warning, bump_column, expand_name_space,
1418 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1419 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1420 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1421 _cpp_prescan): Delete.
1423 (dump_param_spelling, process_directive, lex_next,
1424 is_macro_disabled, stringify_arg, expand_context_stack,
1425 output_token, make_string_token, alloc_number_token,
1426 special_symbol, duplicate_token, maybe_paste_with_next,
1427 can_paste, prevent_macro_expansion, restore_macro_expansion,
1428 get_temp_token, release_temp_tokens, quote_string,
1429 token_names, token_spellings, _cpp_expand_name_space,
1430 _cpp_glue_header_name, _cpp_reserve_name_space,
1431 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1432 placemarker_token, eof_token, cpp_context, macro_args,
1433 get_raw_token, parse_arg, parse_args, save_token,
1434 push_arg_context, push_macro_context, pop_context,
1435 do_pop_context, free_macro_args, _cpp_get_line,
1436 _cpp_run_directive): New.
1438 * cpplib.c (validate_else, parse_include, push_conditional,
1439 pass_thru_directive, read_line_number, parse_ifdef,
1440 detect_if_not_defined, _cpp_check_directive, do_define,
1441 do_undef, do_include, do_import, do_include_next, do_error,
1442 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1443 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1444 do_pragma_poison, do_pragma_system_header,
1445 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1446 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1447 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1448 cpp_defined): Update for new scheme.
1449 (strtoul_for_line, get_define_node, dump_macro_name,
1450 _cpp_check_linemarker, _cpp_parse_assertion): New.
1451 (_cpp_handle_directive, do_pragma_default): Delete.
1453 * cpphash.h (struct predicate): Now struct answer.
1454 (enum spell_type, struct token_spelling, struct directive,
1455 directive_handler): New.
1456 Update prototypes. Remove unused macros.
1457 * cpplib.h: Update prototypes. Remove unused macros,
1458 structure definitions, and fields.
1460 * cpperror.c (print_containing_files, v_message): Adjust.
1461 * cppexp.c (parse_assertion, lex, parse_escape,
1462 _cpp_parse_expr): Adjust.
1463 * cppfiles.c (open_include_file, _cpp_execute_include,
1464 _cpp_compare_file_date, cpp_read_file, read_include_file):
1466 * cppinit.c (dump_special_to_buffer): Delete.
1467 (append_include_chain, merge_include_chains, cpp_reader_init,
1468 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1469 cpp_finish, handle_option, print_help): Adjust.
1470 * cppmain.c (main): Adjust.
1472 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1474 * cppspec.c (lang_specific_driver): Use double quotes in error
1477 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1479 * calls.c (emit_library_call_value_1): Use valreg instead
1480 of hard_libcall_value.
1482 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1484 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1485 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1486 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1494 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1495 mode instead of wider_mode is being used.
1497 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1499 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1500 of 'r'. Use q_regs_operand.
1501 (andsi_1+2): Use q_regs_operand.
1503 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1505 * builtins.c (get_memory_rtx): Always put into alias set 0.
1507 2000-07-03 Nick Clifton <nickc@cygnus.com>
1509 * config/arm/arm.md: Fix post increment and pre increment
1510 peepholes so that they do not generate UNPREDICATBLE opcodes.
1511 (ie ones where the increment clobbers the source/destination).
1513 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1515 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1516 change too big for -mtiny-stack" a warning, if larger than 63.
1517 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1518 always safe to use on possible future devices.
1519 (function_prologue): Write SPH before SPL, for consistency.
1520 If interrupt_func_p true, we know we have enabled interrupts.
1521 (avr_num_arg_regs): New function. Round up to even number of
1522 bytes if no -mpack-args or if calling a libgcc function.
1523 (function_arg, function_arg_advance): Use it.
1524 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1525 Output "movw" if available.
1526 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1527 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1528 (asm_output_section_name): Add blanks for consistent output.
1529 (encode_section_info): Set TREE_READONLY for progmem data to
1530 avoid gas warnings about changed section attributes.
1531 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1532 even numbered registers on devices with "movw".
1533 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1534 (TARGET_SWITCHES): Mark help strings for translation.
1535 Add new -mpack-args and -menhanced switches.
1536 (TARGET_OPTIONS): Mark help strings for translation.
1537 (progmem_section): Add section attributes.
1538 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1539 Output "movw" if available.
1540 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1542 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1543 call convention (arguments aligned on even registers).
1544 (_cleanup, _exit): Make weak symbols libc can override.
1546 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1548 * fp-bit.h: New file.
1550 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1551 Comment #endif statements.
1552 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1554 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1556 * gcse.c (compute_pre_data): Compute ae_kill using other local
1557 properties instead of calling compute_ae_kill.
1559 * alias.c (init_alias_analysis): Do not call
1560 prologue_epilogue_contains until after reload has completed.
1562 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1564 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1565 (genrtl_finish_compound_stmt): Likewise.
1566 (genrtl_compound_stmt): Change to return void.
1568 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1569 move code from here to ...
1570 (genrtl_compound_stmt): ... here.
1571 (genrtl_finish_compound_stmt): Remove.
1572 (expand_stmt): Add comment.
1574 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1576 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1579 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1581 * cpplib.h (struct cpp_reader): New field include_depth.
1582 (struct cpp_printer): Rename last_bsd to last_id.
1583 * cppfiles.c (read_include_file): Bump include_depth.
1584 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1585 (output_line_command): Output correct #line if a header
1586 is including itself and is not protected against multiple inclusion.
1587 Use include_depth instead of buffer_stack_depth, last_id instead of
1589 * cppinit.c (cpp_start_read): Initialize last_id instead of
1592 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1594 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1595 (c-semantics.o): New target.
1597 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1598 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1599 (genrtl_clear_out_block): Likewise.
1600 (genrtl_goto_stmt): Likewise.
1601 (genrtl_expr_stmt): Likewise.
1602 (genrtl_decl_stmt): Likewise.
1603 (genrtl_if_stmt): Likewise.
1604 (genrtl_while_stmt): Likewise.
1605 (genrtl_do_stmt): Likewise.
1606 (genrtl_return_stmt): Likewise.
1607 (genrtl_for_stmt): Likewise.
1608 (genrtl_break_stmt): Likewise.
1609 (genrtl_continue_stmt): Likewise.
1610 (genrtl_scope_stmt): Likewise.
1611 (genrtl_switch_stmt): Likewise.
1612 (genrtl_case_label): Likewise.
1613 (genrtl_begin_compound_stmt): Likewise.
1614 (gerntl_finish_compound_stmt): Likewise.
1615 (genrtl_compound_stmt): Likewise.
1616 (genrtl_asm_stmt): Likewise.
1617 (genrtl_decl_cleanup): Likewise.
1618 (DECL_ANON_UNION_ELEMS): Likewise.
1619 (emit_local_var): Likewise.
1620 (make_rtl_for_local_static): Likewise.
1621 (expand_cond): Likewise.
1622 (expand_stmt): Likewise.
1623 (c_expand_return): Likewise.
1624 (c_expand_start_case): Likewise.
1625 (do_case): Likewise.
1626 (COMPOUND_STMT_NO_SCOPE): Likewise.
1627 (c_expand_asm_operands): Likewise.
1628 (NEW_FOR_SCOPE_P): New macro.
1629 (expand_expr_stmt_fn): New type.
1631 (set_current_function_name_declared): Likewise.
1632 (current_function_name_declared): Likewise.
1633 (lang_expand_stmt): Likewise.
1634 (stmts_are_full_exprs_p): Likewise.
1635 (anon_aggr_type_p): Likewise.
1636 (lang_expand_expr_stmt): Likewise.
1637 (build_case_label): Likewise.
1639 * c-decl.c (lang_expand_expr_stmt): Initialize.
1640 (stmts_are_full_exprs_p): Define.
1641 (current_function_name_declared): Likewise.
1642 (do_case): Likewise.
1643 (lang_expand_stmt): Likewise.
1644 (set_current_function_name_declared): Likewise.
1645 (anon_aggr_type_p): Likewise.
1647 * c-semantics.c: New file.
1648 (expand_cond): Moved from cp/semantics.c.
1649 (genrtl_do_pushlevel): Likewise.
1650 (genrtl_clear_out_block): Likewise.
1651 (genrtl_goto_stmt): Likewise.
1652 (genrtl_expr_stmt): Likewise.
1653 (genrtl_decl_stmt): Likewise.
1654 (genrtl_if_stmt): Likewise.
1655 (genrtl_while_stmt): Likewise.
1656 (genrtl_do_stmt): Likewise.
1657 (genrtl_return_stmt): Likewise.
1658 (genrtl_for_stmt): Likewise.
1659 (genrtl_break_stmt): Likewise.
1660 (genrtl_continue_stmt): Likewise.
1661 (genrtl_scope_stmt): Likewise.
1662 (genrtl_switch_stmt): Likewise.
1663 (genrtl_case_label): Likewise.
1664 (genrtl_begin_compound_stmt): Likewise.
1665 (genrtl_finish_compound_stmt): Likewise.
1666 (genrtl_compound_stmt): Likewise.
1667 (genrtl_asm_stmt): Likewise.
1668 (genrtl_decl_cleanup): Likewise.
1669 (make_rtl_for_local_static): Moved from cp/decl.c.
1670 (emit_local_var): Likewise.
1671 (expand_stmt): Define.
1673 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1674 (c_expand_return): Likewise.
1675 (c_expand_start_case): Likewise.
1677 2000-07-01 Richard Henderson <rth@cygnus.com>
1679 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1680 with the low 13 bits set.
1681 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1682 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1683 of the low 13 bits into a CONST plus an adddi3.
1684 (load_symptr): Set RTX_UNCHANGING_P.
1686 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1688 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1689 * c-common.c (ridpointers): Declare.
1690 * c-common.h (enum rid): Declare.
1692 (ridpointers): Likewise.
1693 * c-lex.c (ridpointers): Don't declare.
1694 (init_lex): Initialize ridpointers.
1695 * c-lex.h (enum rid): Don't declare.
1697 (RID_FIRST_MODIFIER): Likewise.
1698 (ridpointers): Likewise.
1700 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1702 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1705 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1707 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1710 2000-06-30 Catherine Moore <clm@cygnus.com>
1712 * c-common.c (decl_attributes): Differentiate between
1713 types and type decls for alignment.
1715 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1717 * cpp.texi: Document #pragma GCC dependency
1718 * cppfiles.c (open_include_file): Set date to unknown.
1719 (_cpp_compare_file_date): New function.
1720 (read_include_file): Set file date.
1721 * cpphash.h (struct include_file): Add date member.
1722 (_cpp_compare_file_date): Prototype.
1723 * cpplib.c (parse_include): Add trail parameter. Adjust.
1724 (do_include): Adjust parse_include call.
1725 (do_import): Likewise.
1726 (do_include_next): Likewise.
1727 (gcc_pragmas): Add dependency pragma.
1728 (do_pragma_dependancy): New pragma.
1730 2000-06-29 Jason Merrill <jason@redhat.com>
1732 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1735 2000-06-29 Jim Wilson <wilson@cygnus.com>
1737 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1738 a volatile mem and FR_REGS.
1740 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1742 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1743 * c-common.h (flag_const_strings): Declare.
1744 (warn_format): Likewise.
1745 (flag_traditional): Likewise.
1746 (flag_isoc99): Likewise.
1747 (warn_parentheses): Likewise.
1748 (warn_conversion): Likewise.
1749 (C_TYPE_OBJECT_P): Likewise.
1750 (C_TYPE_INCOMPLETE_P): Likewise.
1751 (C_TYPE_FUNCTION_P): Likewise.
1752 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1753 (C_EXP_ORIGINAL_CODE): Likewise.
1754 (build_unary_op): Likewise.
1755 (build_binary_op): Likewise.
1756 (lvalue_p): Likewise.
1757 (default_conversion): Likewise.
1758 (common_type): Likewise.
1759 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1760 (C_TYPE_INCOMPLETE_P): Likewise.
1761 (C_TYPE_FUNCTION_P): Likewise.
1762 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1763 (C_EXP_ORIGINAL_CODE): Likewise.
1764 (common_type): Likewise.
1765 (default_conversion): Likewise.
1766 (build_binary_op): Likewise.
1767 (build_unary_op): Likewise.
1768 (lvalue_p): Likewise.
1769 (flag_const_strings): Likewise.
1770 (warn_format): Likewise.
1771 (warn_conversion): Likewise.
1772 (flag_traditional): Likewise.
1773 (flag_isoc99): Likewise.
1774 (warn_parentheses): Likewise.
1776 2000-06-29 James E. Wilson <wilson@cygnus.com>
1778 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1780 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1781 same. Only tie XFmode with XFmode.
1783 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1785 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1786 * Makefile.in: Update deps.
1788 2000-06-29 Andrew Haley <aph@cygnus.com>
1790 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1793 2000-06-29 Andrew Haley <aph@cygnus.com>
1795 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
1796 bytes: remove the multiply by 8.
1798 2000-06-29 Philipp Thomas <pthomas@suse.de>
1800 * rtl.c : Revert NLS changes.
1801 * gcc.c : Fix bug in display_help introced by my last changes.
1803 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
1805 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
1806 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
1808 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1810 * flow.c (flow_depth_first_order_compute): Fix algorithm.
1812 2000-06-28 Philipp Thomas <pthomas@suse.de>
1814 * c-decl.c : Mark strings for translation.
1815 (parmlist_tags_warning): Use distinct messages instead
1816 of conditional expressions.
1817 * diagnostic.c (v_message_with_decl): Mark string for translation.
1818 * gcc.c: Mark messages for translation.
1819 (display_help): Combine messages into one string where necessary.
1820 * mips-tfile: Add intl.h. Mark messages for translation.
1821 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
1822 messages for translation.
1823 * timevar.c: Mark messages for translation.
1824 * tlink.c: Likewise.
1825 * toplev.c: Likewise.
1827 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
1829 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
1831 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
1832 use -isystem instead of -idirafter.
1833 * i386/i386-interix.h: Likewise.
1835 2000-06-28 Jason Merrill <jason@redhat.com>
1837 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
1838 unless DWARF2_DEBUGGING_INFO is defined.
1839 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
1841 2000-06-28 Richard Henderson <rth@cygnus.com>
1843 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
1845 2000-06-28 Jakub Jelinek <jakub@redhat.com>
1847 * cpplex.c (output_line_command): Output correct #line if a header
1848 is including itself and is not protected against multiple inclusion.
1850 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
1852 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
1853 ENFILE, close all cached file descriptors and try again.
1854 (_cpp_execute_include): Keep a count of the number of times
1855 each header is included.
1856 (close_cached_fd): New function.
1857 * cpphash.h (struct include_file): Rename before to
1858 include_count; all users updated. Make include_count and sysp
1860 * cppinit.c (cpp_finish): If -H, report headers that could use
1862 (report_missing_guard): New function.
1864 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
1866 * i386.md (prologue_set_got): Set length_immediate field.
1867 (testqi_ccno_1): Add missing '@' character.
1869 2000-06-27 Jason Merrill <jason@redhat.com>
1871 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
1874 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
1876 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
1877 unsigned macros available.
1879 2000-06-27 Richard Henderson <rth@cygnus.com>
1881 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
1882 epilogue_deallocate_stack.
1884 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
1885 completers for UNORDERED and ORDERED as well.
1886 * config/ia64/ia64.md (bunordered, bordered): New.
1887 (sunordered, sordered): New.
1889 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
1891 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
1892 * i386.c (ix86_attr_length_default): Kill.
1893 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1895 * i386-protos.h (ix86_attr_length_default): Kill
1896 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
1898 * i386.md (attribute type): Add "test".
1899 (attribute length_prefix): Kill.
1900 (attribute length_opcode): Kill.
1901 (attribute i387, mode, length_immediate, length_address, prefix_data16,
1902 prefix_rep, prefix_0f, modrm): New.
1903 (attribute length): Compute using the new attributes.
1904 (attribute pent_prefix): New.
1905 (attribute pent_pair): Compute using pent_prefix.
1906 (all insn patterns): Set mode,modrm and immediate_length attributes where
1908 (cmpsi patterns): Compute sizes propertly for test instruction.
1909 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
1910 (movstricthi_xor, movstrictqi_xor): New patterns.
1911 (andsi/andhi): Use splitters to generate xor instructions.
1912 (xorqi_ext_1): New pattern.
1913 (movstricthi->movstricthi_xor peep2): New.
1915 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
1917 * i386.md (addqi_low_1): Remove.
1919 2000-06-27 Philipp Thomas <pthomas@suse.de>
1921 * 1750a.h: Mark help strings for options/switches for translation.
1923 * alpha.h: Likewise.
1926 * riscix.h: Likewise.
1928 * clipper.h: Likewise.
1929 * convex.h: Likewise.
1930 * elxsi.h: Likewise.
1933 * h8300.h: Likewise.
1935 * cygwin.h: Likewise.
1937 * djgpp.h: Likewise.
1939 * osf1elf.h: Likewise.
1940 * osfrose.h: Likewise.
1942 * win32.h: Likewise.
1944 * paragon.h: Likewise.
1948 * mcore.h: Likewise.
1950 * mn10300.h: Likewise.
1951 * ns32k.h: Likewise.
1952 * pdp11.h: Likewise.
1955 * aix41.h: Likewise.
1956 * aix43.h: Likewise.
1958 * rs6000.h: Likewise.
1959 * sysv4.h: Likewise.
1960 * linux.h: Likewise.
1961 * linux64.h: Likewise.
1962 * sp64-elf.h: Likewise.
1963 * sparc.h: Likewise.
1964 * splet.h: Likewise.
1966 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
1968 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
1969 Properly document option and mark for translation.
1970 * sp86x-elf.h: Likewise.
1972 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
1974 Add MMX and SSE registers to i386 machine description.
1975 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
1976 ix86_local_alignment): Declare.
1978 * i386.h (TARGET_MMX, TARGET_SSE): New.
1979 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
1980 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
1981 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
1982 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
1983 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
1984 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
1985 (RETURN_IN_MEMORY): Handle MMX/SSE.
1986 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
1987 also get stack space.
1988 (MUST_PASS_IN_STACK): Added TImode to the default definition.
1989 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
1990 (MMX_REGISTER_NAMES): New.
1991 (ALIGN_MODE_128): New macro.
1992 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
1993 (DATA_ALIGNMENT): Likewise.
1994 (LOCAL_ALIGNMENT): Likewise.
1995 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
1996 TARGET_MMX/TARGET_SSE.
1997 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
1998 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
1999 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
2000 SSE/MMX regs and something else.
2001 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
2002 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
2003 3 if moving between MMX regs and something else.
2005 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
2006 (regclass_map): Add MMX/SSE registers.
2007 (print_operand): Add code to print XMMWORD as appropriate.
2008 (ix86_split_movdi): Abort for MMX regs.
2009 (init_cumulative_args): Also allow SSE_REGS
2010 (function_arg_advance, function_arg): Likewise
2011 (print_reg): Support 'm'. Add case for TImode.
2012 (override_options): TARGET_SSE implies TARGET_MMX.
2013 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
2016 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
2018 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
2020 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
2021 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
2023 2000-06-26 Geoff Keating <geoffk@cygnus.com>
2025 * ssa.c (struct rename_set_data): Change the name of field
2026 'set_dest' to 'old_reg'. Add comments.
2027 (struct rename_context): Change the name of 'set_data' to
2028 'new_renames'. Add new field 'done_renames'.
2029 (create_delayed_rename): New function.
2030 (apply_delayed_renames): New function.
2031 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
2032 SUBREGs and similar by emitting a move.
2033 (new_registers_for_updates): Delete, functionality moved to
2034 apply_delayed_renames.
2035 (rename_block): Handle moves emitted by rename_insn_1 by putting
2036 them into a SEQUENCE with the original insn. Add sanity checks
2038 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
2039 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
2041 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
2042 Jason Merrill <jason@redhat.com>
2044 * dwarf2.h (enum dwarf_call_frame_info): Add
2045 DW_CFA_def_cfa_expression.
2046 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
2047 dw_loc_descr_struct entry.
2048 (struct cfa_loc): New structure to track a CFA location.
2049 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
2050 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
2051 offset, plus handle DW_CFA_def_cfa_expression.
2052 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
2054 (dwarf2out_def_cfa): Entry point maintained for compatability.
2055 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
2056 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
2057 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
2058 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
2060 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
2061 sequences for the new DW_CFA_def_cfa_expression record.
2062 (dwarf2out_frame_debug): Use new variables/fields.A
2063 (output_cfi): Handle DW_CFA_def_cfa_expression.
2064 (output_cfa_loc): New function to generate a CFI record for
2065 DW_CFA_def_cfa_expression.
2066 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
2067 a dw_loc_descr sequeunce.
2068 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
2069 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
2070 size_of_locs, output_loc_operands, output_loc_sequence): Move into
2071 unwind info section.
2072 * frame.h (frame_state): Add base_offset and indirect fields.
2073 * frame-dwarf2.c (decode_stack_op): New function to interpret a
2074 dw_loc_descr operation.
2075 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
2076 (struct frame_state): Add base offset and indirect fields.
2077 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
2079 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
2081 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
2082 Make warnings about implicit int be pedwarns in C99. Don't warn
2083 about duplicate type qualifiers in C99.
2084 (start_function): Make warning about implict int return type be a
2086 * c-lex.c (yylex): Don't warn about `long long' in C99.
2087 * c-typeck.c (c_expand_return): In C99, always pedwarn about
2088 `return' with no value in function returning non-void.
2090 2000-06-26 Richard Henderson <rth@cygnus.com>
2092 * c-typeck.c (pedwarn_c99): New.
2093 * diagnostic.c (verror, vwarning, vpedwarn): Export.
2094 * toplev.h: Prototype them.
2096 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2098 * c-typeck.c (digest_init): Return error_mark_node node when
2099 TREE_TYPE (init) == error_mark_node.
2101 2000-06-26 Philipp Thomas <pthomas@suse.de>
2103 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
2104 test for msgfmt without path instead.
2105 * configure: Rebuilt.
2107 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2109 * gengenrtl.c (special_rtx): Fix typo in comment.
2111 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2113 * mklibgcc.in (LIB2FUNCS): Add missing space.
2115 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2117 * tree.h (enum tree_index): Add vector type nodes.
2118 Add accessor macros for them.
2119 (TYPE_REPRESENATION_TYPE): New macro.
2120 * tree.c (build_common_tree_nodes_2): Build these nodes.
2121 (finish_vector_type): New function.
2122 * c-common.c (type_for_mode): Handle vector modes.
2123 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
2125 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
2126 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
2127 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
2128 (gen_type_die): Likewise.
2129 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
2130 (fundamental_type_code): Likewise.
2131 (type_is_fundamental): VECTOR_TYPEs aren't.
2132 (output_type): Handle VECTOR_TYPEs.
2134 2000-06-25 Kazu Hirata <kazu@hxi.com>
2136 * config/arm.c: Fix a comment typo.
2137 * config/arm.h: Likewise.
2139 2000-06-25 Philipp Thomas <pthomas@suse.de>
2141 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
2143 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
2144 * configure: Rebuilt.
2146 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
2148 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2150 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2152 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2155 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
2157 * collect2.c (resolve_lib_name): Move '/' check out of loop.
2159 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
2161 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2163 2000-06-24 Jakub Jelinek <jakub@redhat.com>
2165 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
2166 last_unconditional_cleanup.
2168 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2170 * tree.def (VECTOR_TYPE): New node type.
2171 * tree.h: Adjust some comments to reflect addition of vector types.
2172 (TYPE_VECTOR_SUBPARTS): New macro.
2173 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2174 * c-convert.c (convert): Likewise.
2175 * convert.c (convert_to_integer): Handle vector modes.
2176 (convert_to_vector): New function.
2177 * convert.h (convert_to_vector): Declare.
2178 * expr.c (convert_move): Handle vector modes.
2179 * expmed.c (extract_bit_field): Don't abort for vector modes.
2181 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2183 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2184 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2185 New functions, common code moved from function_{prologue,epilogue}
2186 and extended to support the -mtiny-stack option.
2187 (function_prologue, function_epilogue): Use them.
2188 Use lo8/hi8 consistently for asm output readability.
2189 (avr_hard_regno_mode_ok): New function.
2190 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2191 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2192 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2193 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2194 Write SPH before SPL.
2195 (*movqi): No need to disable interrupts for just one "out"
2196 in alternative 5. Change length attribute from 4 to 1.
2197 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2198 Write SPH before SPL.
2200 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2202 * rtl.texi (Vector Operations): New node.
2203 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2204 (Conversions): Add ss_truncate, us_truncate.
2205 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2206 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2207 US_TRUNCATE): New rtx codes.
2208 * machmode.def: Add vector modes.
2209 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2211 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2212 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2213 (VECTOR_MODE_P): New.
2215 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2217 * cpp.texi: Clarify #pragma GCC namespace.
2219 2000-06-24 Philipp Thomas <pthomas@suse.de>
2221 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2222 all catalogs specified in ALL_LINGUAS.
2223 * configure: Rebuilt.
2225 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2227 * config/sparc/sparc.md (reload_outdi+1): Handle
2228 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2229 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2231 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2233 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2234 struct vs. scalar-ness when -fno-strict-aliasing.
2236 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2238 * cpplib.c (struct pragma_entry): New structure.
2239 (pragma_dispatch): Pragma dispatcher.
2240 (top_pragmas, gcc_pragmas): New static variables.
2241 (do_pragma): Use pragma_dispatch.
2242 (do_pragma_gcc): New pragma handler.
2245 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2247 * calls.c (compute_argument_addresses): Force stack slots into
2249 * expr.c (emit_push_insn): Force pushes into alias set 0.
2251 2000-06-23 Richard Henderson <rth@cygnus.com>
2253 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2254 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2256 2000-06-22 Jason Merrill <jason@redhat.com>
2258 * toplev.c (compile_file): Always call timevar_print.
2259 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2261 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2263 * varasm.c (constant_descriptor): Make contents unsigned char.
2264 (mark_const_hash_entry): Adjust.
2265 (const_hash): Just hash the code of unknown nodes.
2266 (compare_constant_1): Adjust for unsigned char.
2267 Use language specific expander on unknown nodes.
2268 (record_constant_1): Likewise.
2270 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2272 * cppfiles.c (cpp_make_system_header): New function.
2273 * cpplib.h: Prototype it.
2274 * cpplib.c (do_line, do_pragma_system_header): Use it.
2275 * fix-header.c (read_scan_file): Use it.
2277 * fix-header.c (check_macro_names): Cast second arg of
2278 cpp_defined to const unsigned char *.
2279 (read_scan_file): Make getchar_call const unsigned char.
2281 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2283 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2284 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2285 (destroy_include_file_node): New.
2286 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2287 Create a splay tree, not a hash table.
2288 (open_include_file): Look up the path in the include table,
2289 do the multiple include optimization here, etc.
2290 (cpp_included): Walk the path.
2291 (find_include_file): Just walk the path calling
2292 open_include_file, or call it directly for an absolute path.
2293 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2295 (read_include_file): Update for new scheme. Don't close the
2296 file unless reading fails.
2297 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2299 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2300 (struct include_file): New.
2301 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2303 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2306 * cppinit.c: Include splay-tree.h.
2307 (cpp_reader_init, cpp_cleanup): Update.
2309 * cpplib.h (struct cpp_buffer): Change ihash field to
2310 'struct include_file *inc'. Remove system_header_p.
2311 (struct cpp_reader): Change all_include_files to a
2312 struct splay_tree_s *.
2314 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2315 cpp_buffer->system_header_p.
2316 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2318 * Makefile.in (SPLAY_TREE_H): New macro.
2319 (cppfiles.o, cppinit.o): Update dependencies.
2321 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2323 * invoke.texi (g++): "g++" is not a script anymore.
2325 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2327 * function.c (round_down): Delete obsolete prototype.
2329 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2331 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2333 * configure.in: Use 'test a = b' not 'test a == b'.
2336 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2338 * Makefile.in: Remove all references to HOST_INTLLIBS.
2340 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2343 2000-06-20 Philipp Thomas <pthomas@suse.de>
2345 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2348 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2350 * Take REG_INC notes into account.
2352 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2354 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2355 (primary: IDENTIFIER): Just call build_external_ref.
2356 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2358 * c-lex.c (lastiddecl): Remove.
2359 (yylex): Replace all instances of lastiddecl with local
2362 * c-typeck.c (build_external_ref): New function. Treat decls
2363 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2364 Look up the decl from the id here. Call lookup_objc_ivar.
2365 * c-lang.c (lookup_objc_ivar): Stub.
2366 * objc/objc-act.c (lookup_objc_ivar): New function.
2368 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2369 * c-lex.h: Don't declare lastiddecl.
2371 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2373 * c-common.h (IF_COND): Added documentation.
2374 (THEN_CLAUSE): Likewise.
2375 (ELSE_CLAUSE): Likewise.
2376 (WHILE_COND): Likewise.
2377 (WHILE_BODY): Likewise.
2378 (DO_COND): Likewise.
2379 (DO_BODY): Likewise.
2380 (RETURN_EXPR): Likewise.
2381 (EXPR_STMT_EXPR): Likewise.
2382 (FOR_INIT_STMT): Likewise.
2383 (FOR_COND): Likewise.
2384 (FOR_EXPR): Likewise.
2385 (FOR_BODY): Likewise.
2386 (SWITCH_COND): Likewise.
2387 (SWITCH_BODY): Likewise.
2388 (CASE_LOW): Likewise.
2389 (CASE_HIGH): Likewise.
2390 (GOTO_DESTINATION): Likewise.
2391 (COMPOUND_BODY): Likewise.
2392 (ASM_CV_QUAL): Likewise.
2393 (ASM_STRING): Likewise.
2394 (ASM_OUTPUTS): Likewise.
2395 (ASM_INPUTS): Likewise.
2396 (ASM_CLOBBERS): Likewise.
2397 (DECL_STMT_DECL): Likewise.
2398 (STMT_EXPR_STMT): Likewise.
2399 (LABEL_STMT_LABEL): Likewise.
2401 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2402 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2403 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2404 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2406 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * configure.in (--enable-checking): Update --help doc to reflect
2409 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2411 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2413 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2415 * function.c (put_var_into_stack): Don't reference DECL_ fields
2416 if input is a SAVE_EXPR.
2417 Use set_mem_attributes in COMPLEX case.
2419 2000-06-18 Richard Henderson <rth@cygnus.com>
2421 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2422 (ia64_file_start): Declare.
2423 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2424 (GR_REGNO_P): Likewise.
2425 * config/ia64/ia64.c: Many prototypes.
2426 (ia64_reg_numbers): Constify.
2427 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2428 (ia64_section_threshold): Make unsigned.
2429 (ia64_print_operand): Constify.
2430 (fix_range): Constify.
2431 (ia64_init_builtins): Don't compare signed vs unsigned.
2432 (ia64_expand_builtin): Likewise.
2434 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2435 (CONSTRAINT_OK_FOR_Q): New.
2436 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2437 (movsf_internal, movdf_internal): Likewise.
2438 (cmovdi_internal): Rewrite so that constraints and predicates match;
2440 (cmovsi_internal): Likewise.
2442 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2443 (ASM_FILE_START): New.
2444 * config/ia64/ia64.c (ia64_file_start): New.
2445 (rtx_needs_barrier): Handle pred.rel.mutex.
2446 (emit_predicate_relation_info): New.
2447 * config/ia64/ia64.md (pred_rel_mutex): New.
2448 * config/ia64/linux.h (ASM_SPEC): Define.
2449 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2451 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2452 filtering global register variables.
2454 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2458 2000-06-17 Michael Meissner <meissner@redhat.com>
2460 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2461 not present and there is a field after a '-'.
2463 2000-06-17 Bruce Korb <bkorb@gnu.org>
2465 * fixinc/check.tpl: finish the implementation of multiple tests
2467 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2468 (io_quotes_def): add a second test
2469 (various): reorder `files' so that "limits.h" is never first
2470 * fixinc/tests/base/*: update the testing output
2472 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2474 * gcc.texi: Remove reference to stupid.c.
2476 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2478 * c-common.c (c_tree_code_type): New array.
2479 (c_tree_code_length): Likewise.
2480 (c_tree_code_name): Likewise.
2481 (add_c_tree_codes): New function.
2483 * c-common.h (add_c_tree_codes): Declare.
2484 (enum c_tree_code): New enum.
2486 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2488 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2490 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2491 select pattern to also match macro defs with only one argument.
2493 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2495 * i386.md: Create new [right,left] rotate and right shift
2496 patterns to optimize shift by 1 bit for certain ia32 processors.
2497 Update patterns which perform left shifts to optimize shift by
2498 1 bit for certain ia32 processors.
2499 * i386.c (const_int_1_operand): New predicate.
2500 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2501 * i386-protos.h (const_int_1_operand): Prototype.
2503 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2505 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2507 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2509 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2512 2000-06-14 Richard Henderson <rth@cygnus.com>
2514 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2516 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2519 * print-rtl.c (print_rtx): Emit space before mem alias set.
2521 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2523 * rs6000.c (expand_block_move): Fix typo in earlier change.
2524 (print_operand): Remove unused variables neg and op.
2525 (toc_hash_mark_entry): Fix prototype.
2527 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2529 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2530 (THEN_CLAUSE): Likewise.
2531 (ELSE_CLAUSE): Likewise.
2532 (WHILE_COND): Likewise.
2533 (WHILE_BODY): Likewise.
2534 (DO_COND): Likewise.
2535 (DO_BODY): Likewise.
2536 (RETURN_EXPR): Likewise.
2537 (EXPR_STMT_EXPR): Likewise.
2538 (FOR_INIT_STMT): Likewise.
2539 (FOR_COND): Likewise.
2540 (FOR_EXPR): Likewise.
2541 (FOR_BODY): Likewise.
2542 (SWITCH_COND): Likewise.
2543 (SWITCH_BODY): Likewise.
2544 (CASE_LOW): Likewise.
2545 (CASE_HIGH): Likewise.
2546 (GOTO_DESTINATION): Likewise.
2547 (COMPOUND_BODY): Likewise.
2548 (ASM_CV_QUAL): Likewise.
2549 (ASM_STRING): Likewise.
2550 (ASM_OUTPUTS): Likewise.
2551 (ASM_INPUTS): Likewise.
2552 (ASM_CLOBBERS): Likewise.
2553 (DECL_STMT_DECL): Likewise.
2554 (STMT_EXPR_STMT): Likewise.
2555 (LABEL_STMT_LABEL): Likewise.
2556 (SCOPE_BEGIN_P): Likewise.
2557 (SCOPE_END_P): Likewise.
2558 (SCOPE_STMT_BLOCK): Likewise.
2559 (SCOPE_NULLIFIED_P): Likewise.
2560 (SCOPE_NO_CLEANUPS_P): Likewise.
2561 (SCOPE_PARTIAL_P): Likewise.
2562 (ASM_VOLATILE_P): Likewise.
2563 (STMT_LINENO): Likewise.
2564 (STMT_LINENO_FOR_FN_P): Likewise.
2566 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2567 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2568 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2569 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2570 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2572 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2574 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2576 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2577 writable in parts of the GCC code.
2579 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2580 specification match cast.
2582 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2584 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2585 * configure, config.in: Rebuilt.
2586 * sys-protos.h: Similarly.
2588 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2590 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2591 * basic-block.h (EDGE_COMPLEX): ... here.
2593 * loop.c (check_dbra_loop): Specify the register when
2594 generating REG_NONNEG notes and don't generate duplicates.
2596 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2598 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2599 (struct tree_type, struct tree_decl): Add user_align member.
2600 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2601 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2602 and DECL_USER_ALIGN 0, cap alignment to this value.
2603 (place_field): Likewise.
2604 (finalize_type_size): Set TYPE_USER_ALIGN.
2605 (layout_type): Likewise.
2606 (initialize_sizetypes): Likewise.
2607 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2608 DECL_USER_ALIGN to 1.
2609 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2610 (xfer_tag): Set TYPE_USER_ALIGN.
2611 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2612 (finish_enum): Likewise.
2613 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2614 (expand_anon_union_decl): Likewise.
2615 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2616 (build_index_type): Set TYPE_USER_ALIGN.
2617 (build_range_type): Likewise.
2618 (build_common_tree_nodes_2): Likewise.
2619 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2621 2000-06-13 Andreas Jaeger <aj@suse.de>
2623 * configure.in: Use --enable-checking=misc,tree,gc by default if
2624 no --enable-checking option is given and for
2625 --enable-checking=yes.
2626 * configure: Rebuilt.
2628 2000-06-13 Richard Henderson <rth@cygnus.com>
2630 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2631 (__throw): Don't pass the address of a label.
2633 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2634 current_function_is_leaf.
2635 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2636 instead of reg_names[RETURN_ADDRESS_REGNUM].
2637 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2638 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2639 from RETURN_ADDRESS_REGNUM. Update all uses.
2640 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2641 zero instead of null on failure.
2642 (ELIMINABLE_REGS): Add ra->b0 elimination.
2643 (CAN_ELIMINATE): Update accordingly.
2644 (INITIAL_ELIMINATION_OFFSET): Likewise.
2645 (REGISTER_NAMES): Use an illegal assembler name for
2646 RETURN_ADDRESS_POINTER_REGNUM.
2648 2000-06-13 Richard Henderson <rth@cygnus.com>
2650 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2651 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2652 (REG_CLASS_NAMES): Likewise.
2653 (REG_CLASS_CONTENTS): Likewise.
2654 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2655 (HARD_REGNO_MODE_OK): Remove references to them.
2656 (REGNO_REG_CLASS): Likewise.
2657 (REG_CLASS_FROM_LETTER): Likewise.
2658 (CLASS_MAX_NREGS): Likewise.
2659 (REGISTER_MOVE_COST): Likewise.
2660 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2661 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2662 (movqi_internal): Special case moves from zero.
2663 (movhi_internal, movsi_internal): Likewise.
2664 (movdi_internal): Likewise. Fill out "f" constraints.
2665 (movsf_internal): Fill out "r" constraints.
2666 (movdf_internal): Likewise.
2668 2000-06-13 Richard Henderson <rth@cygnus.com>
2670 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2671 alive before reload.
2673 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2674 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2675 (remove_dependence): Always define.
2676 (set_sched_group_p): New.
2677 (sched_analyze_2): Use it.
2678 (sched_analyze_insn): Don't special-case naked uses. Look for
2679 and extend in_post_call_group_p.
2680 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2681 (init_deps): Clear in_post_call_group_p.
2683 2000-06-13 Richard Henderson <rth@cygnus.com>
2685 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2686 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2687 and hard-coded tests.
2688 (simplify_set): Likewise.
2689 (gen_lowpart_for_combine): Likewise.
2690 * emit-rtl.c (gen_lowpart_common): Likewise.
2691 * global.c (find_reg): Likewise.
2692 * local-alloc.c (find_free_reg): Likewise.
2693 * recog.c (register_operand): Likewise.
2694 * regclass.c (init_reg_sets_1): Likewise.
2695 (record_operand_costs, regclass): Likewise.
2696 * reload.c (push_reload): Likewise.
2697 * reload1.c (choose_reload_regs): Likewise.
2698 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2699 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2700 Update all references.
2701 * regs.h (struct reg_info_def): Likewise.
2702 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2703 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2704 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2706 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2707 (CLASS_CANNOT_CHANGE_MODE_P): New.
2708 * config/mips/mips.h: Likewise.
2709 * config/pa/pa32-regs.h: Likewise.
2710 * config/pa/pa64-regs.h: Likewise.
2711 * config/rs6000/rs6000.h: Likewise.
2712 * config/sh/sh.h: Likewise.
2713 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2714 (CLASS_CANNOT_CHANGE_MODE_P): New.
2715 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2716 * config/d30v/d30v.h: Likewise.
2718 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2720 * configure.in: Add AC_TYPE_GETGROUPS test.
2721 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2722 * configure: Rebuilt.
2723 * config.in: Rebuilt.
2725 2000-06-13 Richard Henderson <rth@cygnus.com>
2727 * explow.c (set_mem_attributes): Do nothing for NULL type.
2729 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2731 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2734 2000-06-13 James E. Wilson <wilson@cygnus.com>
2736 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2738 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2740 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2742 2000-06-13 Philipp Thomas <pthomas@suse.de>
2744 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2745 * configure: Rebuilt.
2747 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2749 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2750 We now default to ELF for the i386, and a.out is the special case.
2751 * configure: Rebuilt.
2753 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2755 * final.c (final_scan_insn): Delete notes between cc0 setter and
2756 user when restarting from setter.
2758 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2760 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2761 cast to squelch signed/unsigned warnings.
2763 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2765 * cpplib.c (handle_directive): Print non-NUL-terminated string
2768 2000-06-12 Michael Meissner <meissner@redhat.com>
2770 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2771 path if the machine needs extra support to do conditional
2774 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2776 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2777 to print the alias set.
2778 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2780 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2782 * config/float-vax.h: Add GFLOAT defines.
2784 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2786 * configure.in: Update tm dependencies for MPE.
2787 * configure: Rebuilt.
2789 2000-06-12 H.J. Lu <hjl@gnu.org>
2791 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2793 2000-06-12 David Edelsohn <edelsohn@gnu.org>
2795 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
2796 (CPP_SPEC): Change mthreads to pthread.
2797 (LIB_SPEC): Likewise.
2798 (STARTFILE_SPEC): Likewise.
2799 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
2800 (CPP_SPEC): Change mthreads to pthread.
2801 (LIB_SPEC): Likewise.
2802 (STARTFILE_SPEC): Likewise.
2803 * rs6000-protos.h (reg_or_arith_cint_operand): New.
2804 * rs6000.c (reg_or_arith_cint_operand): New.
2805 (num_insns_constant_wide): Decorate unsigned constant.
2806 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
2807 * rs6000.md (addsi3): Use new predicate.
2808 (subsi3, adddi3, subdi3): Likewise.
2810 2000-06-12 Mark Mitchell <mark@codesourcery.com>
2812 * c-common.c (lang_get_alias_set): Fix typo.
2814 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
2816 * flow.c (mark_used_regs): Revert last change.
2817 (life_analysis): Remove PROP_AUTOINC if running after reload.
2818 (propagate_one_insn): PROP_AUTOINC is always off after reload.
2820 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
2822 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
2825 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2827 * bb-reorder.c (build_scope_forest): Initialize variable
2830 * calls.c (expand_call): Likewise for variables
2831 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
2833 * i386.c (function_arg_advance, function_arg): Cast to avoid
2834 signed/unsigned warnings.
2836 * i386.h (MEMORY_MOVE_COST): Likewise.
2838 * ifcvt.c (cond_exec_process_if_block): Initialize variables
2839 `else_start' and `else_end'.
2841 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
2843 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
2845 2000-06-10 Mark Mitchell <mark@codesourcery.com>
2847 * Makefile.in (libintl.a): Depend on intl.all.
2849 2000-06-09 H.J. Lu (hjl@gnu.org)
2851 * Makefile.in (c-parse.o): Also depend on output.h.
2853 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
2855 * mcore-protos.h: discards const warning removal.
2856 * mcore.c: discards const warning removal.
2858 2000-06-09 Kazu Hirata <kazu@hxi.com>
2860 * config/h8300/lib1funcs.asm: Declare the machine architecture at
2861 the beginning of the file.
2863 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2865 * real.h: Add prototype for ldexp.
2867 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
2869 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
2870 it ggc_alloc, drop second argument, never clear returned memory.
2871 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
2872 (ggc_alloc_cleared): New.
2873 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
2874 ggc_alloc_obj. Remove ggc_alloc macro.
2875 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
2877 * rtl.c (rtvec_alloc): Clear the vector always.
2878 (rtx_alloc): Clear the first word always. Remove dirty
2879 obstack tricks (this routine is no longer a bottleneck).
2880 * tree.c (make_node): Clear the new node always.
2881 (make_tree_vec): Likewise.
2882 (tree_cons): Clear the common structure always.
2883 (build1): Likewise; also, clear TREE_COMPLEXITY.
2884 * gengenrtl.c: Use puts wherever possible. Remove extra
2886 (gendef): Clear the first word of an RTX in the generator
2887 function, irrespective of ggc_p. Initialize '0' slots to
2889 (genlegend): Don't generate obstack_alloc_rtx routine, just a
2890 thin wrapper macro around obstack_alloc.
2892 * stmt.c (expand_fixup): Use ggc_alloc.
2893 * c-typeck.c (add_pending_init): Use ggc_alloc.
2894 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
2895 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
2896 const0_rtx when it is created.
2897 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
2898 we are not in a function.
2900 * tree.c (tree_class_check_failed): Make second arg an int.
2901 * tree.h: Update prototype.
2903 2000-06-09 Geoff Keating <geoffk@cygnus.com>
2905 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
2906 of an error_mark_node.
2908 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
2910 * config/avr/avr.c (asm_output_section_name): bugfix.
2912 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
2914 * timevar.def: Add TV_EXPAND.
2915 * timevar.c (timevar_print): Update timing information.
2916 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
2918 * stmt.c (expand_return): Check for error_mark_node.
2920 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2922 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
2924 * scan-types.sh (VALUE) Wrap use with double quotes to protect
2925 variable against filename expansion when it contains "char *".
2927 * system.h (SSIZE_MAX): Delete backup definition.
2929 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
2930 instead of SSIZE_MAX.
2932 2000-06-09 Jakub Jelinek <jakub@redhat.com>
2934 * configure.in: Check whether gas supports -relax.
2935 * configure, config.in: Rebuilt.
2936 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
2937 (EXTRA_SPECS): Add asm_relax.
2938 (ASM_SPEC): Add %(asm_relax).
2939 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
2940 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
2941 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
2942 (ASM_SPEC): Add %(asm_relax).
2943 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
2944 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
2945 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
2946 instead of mov, so that gas can further optimize it.
2948 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
2950 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
2952 (value_format, case dw_val_class_const): Use sdata format.
2953 (output_die): Call output_sleb128.
2955 2000-06-08 James E. Wilson <wilson@cygnus.com>
2957 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
2958 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
2959 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2960 (output_die, case dw_val_class_unsigned_const): Correct call to
2961 ASM_OUTPUT_DWARF_DATA8.
2962 (output_die, case dw_val_class_long_long): Use
2963 ASM_OUTPUT_DWARF_CONST_DOUBLE.
2964 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
2967 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
2968 (output_function_prologue): Fix mispelling.
2969 (output_function_prologue, output_function_epilogue): Reorder to
2970 match ia64.c definition order.
2971 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
2972 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
2973 Use r3 instead of r2 for large stack restores.
2974 (ia64_output_end_prologue): New function.
2975 (process_set): Emit ".restore sp" for epilogue stack restores.
2976 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
2978 2000-06-08 Jakub Jelinek <jakub@redhat.com>
2980 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
2983 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
2985 * frame.c (end_fde_sort): Remove extraneous erratic array test.
2987 2000-06-08 Denis Perchine <dyp@perchine.com>
2989 * frame.c (start_fde_sort): Don't malloc (0).
2991 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
2993 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
2995 * print-tree.c (print_node): The transparent_union_flag means
2996 different things for unions and arrays. Do not inspect it
2997 with TYPE_TRANSPARENT_UNION.
2999 2000-06-06 Jakub Jelinek <jakub@redhat.com>
3001 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
3004 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
3006 * config/avr/avr.c (asm_output_section_name): output section
3008 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
3010 2000-06-06 James E. Wilson <wilson@cygnus.com>
3012 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
3013 fields into header field.
3014 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
3015 macros to access length, flags, and version info from header field.
3016 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
3017 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
3018 (__do_global_ctors_aux): Fix caller.
3019 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
3020 prologue_flag to header. Pass to read_P_record.
3021 (read_P_record): New argument header. Implement P4 format.
3022 Multiply P7_T_SIZE by 16.
3023 (execute_one_ia64_descriptor): New static local region_header. Pass to
3024 get_unwind_record. Copy r to region_header if r is a header record.
3025 (print_all_records): Likewise.
3026 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
3027 (__get_personality, __get_except_table): Likewise.
3028 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
3030 2000-06-06 Philipp Thomas <pthomas@suse.de>
3032 * configure.in (AC_C_INLINE): Added.
3033 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
3034 * configure: Regenerate.
3036 2000-06-06 Mark Mitchell <mark@codesourcery.com>
3038 * c-common.h (c_language_kind): New type.
3039 (c_language): New variab.e
3040 * c-common.c (lang_get_alias_set): Don't put structures in
3041 non-zero alias sets in C++.
3042 * c-decl.c (c_language): Define it.
3043 * c-lex.c (doing_objc_thang): Remove.
3044 * c-tree.h (doing_objc_thang): Make it a macro.
3045 * objc/objc-act.c (lang_decode_option): Set c_language, not
3048 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3050 * diagnostic.c (output_maximum_width): Remove.
3051 (doing_line_wrapping): Tweak.
3052 (diagnostic_buffer): New object.
3053 (global_output_buffer): New object.
3054 (output_destroy_prefix): New function.
3055 (default_initialize_buffer): Likewise.
3056 (reshape_diagnostic_buffer): Likewise.
3057 (initialize_diagnostics): Likewise.
3058 (output_clear): Tweak.
3059 (line_wrapper_printf): Adjust call to init_output_buffer.
3060 (vline_wrapper_message_with_location): Likewise. Use
3061 output_destroy_prefix.
3062 (v_message_with_decl): Likewise.
3064 * diagnostic.h (struct output_buffer): Constify prefix.
3065 (init_output_buffer, output_get_prefix): Constify.
3066 (diagnostic_message_length_per_line): Likewise.
3067 (reshape_diagnostic_buffer): Declare.
3068 (default_initialize_buffer): Declare.
3069 (initialize_diagnostics): Declare.
3070 (diagnostic_buffer): Declare new obbject.
3072 * toplev.c: #include diagnostic.h
3073 (display_help): Document diagnostic formatting options.
3074 (decode_f_option): Handle diagnostic formatting options.
3075 (main): Setup initialization for diagnostic messages outputter.
3077 * toplev.h (set_message_length): Remove.
3079 * Makefile.in (toplev.o): Depends upon diagnostic.h
3081 * invoke.texi : Document diagnostics formatting options.
3083 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
3085 * configure.in (Make the links): Typo fix : the file that must be
3086 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
3087 * configure: File rebuilt.
3089 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
3091 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
3092 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
3094 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
3095 emergency eh_context buffer, if malloc fails.
3096 (__eh_free): Moved from cp/exception.cc. Release to emergency
3097 eh_context buffer, if appropriate.
3099 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
3101 * expr.c (store_expr): Fix typo.
3103 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3105 * m68k.c (legitimize_pic_address): Move prototype ...
3107 * m68k-protos.h (legitimize_pic_address): ... here.
3109 * m68k.md (legitimize_pic_address): Delete prototypes.
3110 (untyped_call): Invoke GEN_CALL(), not gen_call().
3112 * nextstep.c: Include system.h and toplev.h.
3113 (get_directive_line): Don't prototype.
3114 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
3116 * nextstep.h (handle_pragma): Prototype.
3117 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
3118 objc_section_init ...
3119 (EXTRA_SECTION_FUNCTIONS): ... here.
3121 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3123 * sdbout.c (struct sdb_file): NAME now const.
3124 (sdbout_init): input_file_name now const.
3125 (sdbout_start_new_source_file): FILENAME now const.
3126 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
3128 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3130 * c-typeck.c (build_conditional_expr): Handle complex data types.
3132 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3134 * explow.c (maybe_set_unchanging): New function, broken out from...
3135 (set_mem_attributes): Here.
3136 * expr.h: Declare it.
3137 * stmt.c (expand_decl): Call it.
3139 2000-06-05 Richard Henderson <rth@cygnus.com>
3141 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
3142 while looking for a register to inherit from.
3144 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3146 * Makefile.in (libgcc.ready): Lose.
3147 (libgcc.mk): Just use mv, not move-if-change.
3148 (LIBGCC_DEPS): New macro.
3150 (stmp-multilib): Likewise.
3151 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
3152 it rather than the directories themselves.
3153 (LIB2ADD): Depend on the list file rather than 'force'.
3155 * fold-const.c (fold, case COND_EXPR): Elide conversion between
3156 cv-qualified versions of types.
3158 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3160 * config/sparc/sparc.c (short_branch): Correct error in range
3163 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3165 * fixinc/inclhack.def: New include hacks for ultrix.
3166 * (nested_ultrix): Replaced by ultrix_nested_svc.
3167 * (ultrix_atof_param): test_text string added.
3168 * (ultrix_ifdef): Modified select string.
3170 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
3172 * objc/objc-act.c (generate_method_descriptors): Register
3173 objc_method_prototype_template as a GC root.
3174 (comp_method_with_proto): Register function_type as a GC root.
3175 (comp_proto_with_proto): Replace function_type1 and
3176 function_type2 with a two-element array; register it as a GC root.
3178 (generate_protocols, build_protocol_initializer,
3179 generate_protocol_list, build_category_initializer,
3180 build_shared_structure_initializer): Do not cache cast_type
3183 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3185 * function.c (assign_parms): Add missing argument to set_mem_attributes
3188 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3190 * tree.h (VOID_TYPE_P): New macro.
3191 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3192 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3193 (get_parm_info): Likewise.
3194 (store_parm_decls): Likewise.
3195 (combine_parm_decls): Likewise.
3196 (finish_function): Likewise.
3197 * c-typeck.c (build_function_call): Likewise.
3198 (build_binary_op): Likewise.
3199 (build_conditional_expr): Likewise.
3200 (internal_build_compound_expr): Likewise.
3201 (convert_for_assignment): Likewise.
3202 * stmt.c (expend_expr_stmt): Likewise.
3203 (warn_if_unused_value): Likewise.
3204 (expand_return): Likewise.
3205 * c-parse.in (primary): Likewise.
3206 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3207 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3209 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3211 * alias.c (get_alias_set): If compnent is addressable, use alias
3213 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3214 (grokdeclarator): Likewise.
3215 * c-typeck.c (common_type): Likewise.
3217 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3219 * Makefile.in (OBJS): Remove dyn_string.o
3220 (dyn-string.o): Delete rule.
3221 * dyn-string.c: Delete file
3222 * dyn-string.h: Likewise.
3224 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3226 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3229 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3231 * alias.c (record_component_aliases): Don't inspect
3232 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3234 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3236 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3237 it with the pattern to do machine dependent work.
3238 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3239 use it to modify the true/false tests used in conditional
3240 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3241 defined, invoke them if the conversion to conditional execution
3242 was successful or not.
3244 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3245 (IFCVT_MODIFY_INSN): Ditto.
3246 (IFCVT_MODIFY_FINAL): Ditto.
3247 (IFCVT_MODIFY_CANCEL): Ditto.
3249 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3251 * toplev.c (main): Fix misspellings of possibility and language.
3253 2000-06-03 Richard Henderson <rth@cygnus.com>
3255 * alias.c (record_alias_subset): Initialize has_zero_child in the
3258 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3260 * arm.md (untyped_call): Use GEN_CALL macro.
3262 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3264 * Makefile.in: Use $(MAKE) not "make"
3266 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * alias.c (struct alias_set_entry): New field has_zero_child.
3269 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3270 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3272 Call record_component_aliases for aggregate types.
3273 (record_alias_subset): Set has_zero_child.
3274 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3275 TYPE_NONALIASES_COMPONENT.
3276 (record_component_aliases, case RECORD_TYPE): Test
3277 DECL_NONADDRESSABLE_P.
3278 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3279 of TREE_ADDRESSABLE.
3280 * calls.c (initialize_argument_information): Only test
3281 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3282 * function.c (assign_parms): Likewise.
3283 * integrate.c (function_cannot_inline_p): Likewise.
3284 * stor-layout.c (finish_record_layout): Don't call
3285 record_component_aliases.
3286 * tree.h (struct tree_int_cst): Use struct tree_common.
3287 (struct tree_real_cst, struct tree_string): Likewise.
3288 (struct tree_complex, struct tree_identifier): Likewise.
3289 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3290 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3291 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3292 (TYPE_NONALIASES_COMPONENT): New macro.
3293 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3294 (DECL_NONADDRESSABLE_P): New macro.
3295 (struct tree_decl): Reorder bits for clarity of how many left;
3298 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3300 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3301 * mklibgcc.in (force): New target.
3302 Make LIB2ADD stuff depend on it.
3304 2000-06-02 Richard Henderson <rth@cygnus.com>
3306 * alias.c (lang_get_alias_set): Remove.
3307 (get_alias_set): Call it directly, not indirectly.
3308 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3309 * c-common.h (c_get_alias_set): Don't declare.
3310 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3311 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3313 2000-06-02 Bruce Korb <bkorb@gnu.org>
3315 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3316 (server_setup): define the server's master pid
3317 (close_server): actually do the deed IFF we are the server's master
3319 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3321 * c-common.c (c_get_alias_set): Check whether signed_type did not
3322 return its argument before calling get_alias_set on the result.
3324 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3326 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3328 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3330 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3331 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3332 for TARGET_NOMACSAVE.
3333 (NOMACSAVE_BIT): Define.
3334 (TARGET_NOMACSAVE): Define.
3335 (TARGET_SWITCHES): Add "nomacsave".
3337 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3339 * sh.md (untyped_call): Remove excess parameters
3341 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3343 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3344 match that used before the conversion to c_fix style.
3345 * fixinc/fixincl.x: regenerate
3347 2000-06-01 Stan Cox <scox@cygnus.com>
3349 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3350 macro argument typo.
3352 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3354 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3356 * cpplib.c (parse_include): Remove support for VAX-C
3357 "#include starlet" misfeature.
3359 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3361 * cppfiles.c: conditionally define O_BINARY.
3362 (open_include_file): pass O_BINARY to open().
3364 2000-06-01 Richard Henderson <rth@cygnus.com>
3366 * i960.c (i960_br_predict_opcode): Remove.
3367 (i960_print_operand) [+]: Emit branch prediction hints.
3368 (i960_function_arg): Return early for VOIDmode.
3369 (i960_round_align): Return early for incomplete types.
3370 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3371 * i960.md (all conditional branches): Add "%+".
3373 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3375 * alias.c (get_alias_set): Don't call language-specific routine more
3376 than is needed and clean up code a bit.
3377 * c-common.c (c_get_alias_set): All references whose type
3378 is char get alias set 0, but character types need not.
3379 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3380 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3382 2000-06-01 Bruce Korb <bkorb@gnu.org>
3384 * fixinc/tests/base/...: new base result files
3386 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3388 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3389 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3390 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3393 2000-06-01 Richard Henderson <rth@cygnus.com>
3395 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3397 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3399 2000-05-31 Richard Henderson <rth@cygnus.com>
3401 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3402 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3403 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3405 2000-05-31 Richard Henderson <rth@cygnus.com>
3407 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3408 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3409 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3410 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3411 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3413 2000-05-31 Richard Henderson <rth@cygnus.com>
3415 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3417 2000-05-31 Richard Henderson <rth@cygnus.com>
3419 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3421 (find_if_block): Allow THEN with no outgoing edges.
3422 * flow.c (merge_blocks_nomove): Remove a barrier not following
3425 2000-05-31 Richard Henderson <rth@cygnus.com>
3427 * flow.c (propagate_block): Move initialization of mem_set_list ...
3428 (init_propagate_block_info): ... here. Also track blocks with
3429 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3431 2000-05-31 Richard Henderson <rth@cygnus.com>
3433 * jump.c (jump_optimize_1): Revert 05-18 change.
3435 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3437 * invoke.texi: Remove documentation for -fguiding-decls.
3439 2000-05-31 Richard Henderson <rth@cygnus.com>
3441 * configure.in: Fix typo last change.
3443 2000-05-31 Philipp Thomas <pthomas@suse.de>
3445 * configure.in (enable-nls): Enable if build == host, i.e. when
3446 not building a canadian cross compiler.
3447 (enable-maintainer-mode): Added for use with i18n.
3448 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3449 cross section of ALL_LINGUAS and LINGUAS.
3450 * configure: Rebuild.
3452 2000-05-31 Bruce Korb <bkorb@gnu.org>
3454 * fixinc/check.tpl: rework to use test result tree
3455 * fixinc/Makefile.in: change invocation of check script
3456 * fixinc/check.diff: No longer needed
3457 * fixinc/fixincl.x: regenerate
3458 * fixinc/inclhack.def: add new tests
3459 * fixinc/tests/base/arch/i960/archI960.h: New test result
3460 * fixinc/tests/base/curses.h: modified test result
3461 * fixinc/tests/base/stdio.h: ditto
3462 * fixinc/tests/base/time.h: ditto
3463 * fixinc/tests/base/sys/asm.h: ditto
3464 * fixinc/tests/base/sys/stat.h: ditto
3465 * fixinc/tests/base/sys/wait.h: ditto
3467 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3469 * except.c (clear_function_eh_region): Do not free NULL.
3471 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3473 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3474 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3475 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3476 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3477 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3478 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3479 (get_alias_set): Likewise.
3480 Major rework to do more things and allow language-specific code
3481 to just handle special-cases.
3482 (record_alias_subset): Args are HOST_WIDE_INT.
3483 (record_component_alias): Local vars are HOST_WIDE_INT.
3484 Don't handle COMPLEX_EXPR.
3485 (get_varargs_alias_set): Moved from builtins.c.
3486 (get_frame_alias_set): New function.
3487 * builtins.c (expand_builtin_return_address): Use frame alias set.
3488 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3490 (get_memory_rtx): Rework to use set_mem_attributes.
3491 (get_varargs_alias_set): Deleted from here.
3492 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3493 (c_find_base_decl): Deleted from here.
3494 (c_get_alias_set): Remove many cases and rework to just handle
3496 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3497 * c-decl.c (rtl.h, expr.h): Now included.
3498 (init_decl_processing): Call record_component_aliases on array types.
3499 (grokdeclarator): Likewise.
3500 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3501 * c-typeck.c (common_type): Call record_component_aliases for array.
3502 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3503 Set all save areas to the frame alias set.
3504 * calls.c (initialie_argument_information): Call set_mem_attributes.
3505 (compute_argument_addresses, expand_call): Likewise.
3506 * explow.c (set_mem_attributes): New function.
3507 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3508 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3509 LEN and OFFSET now HOST_WIDE_INT.
3510 (clear_by_pieces): Similar changes.
3511 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3512 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3513 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3514 (clear_by_pieces_1): Likewise.
3515 (emit_push_insn): Call set_mem_attributes.
3516 (expand_expr, case INDIRECT_REF): Likewise.
3517 (expand_expr, case VAR_DECL): Call change_address.
3518 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3520 (get_varargs_alias_set, get_frame_alias_set): New decls.
3521 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3522 (new_alias_set, set_mem_attributes): Likewse.
3523 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3524 (assign_stack_temp_for_type): Likewise.
3525 Can split slot even if alias set since can copy.
3526 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3527 (assign_temp): Use host_integerp and tree_low_cst.
3528 (put_var_into_stack): Properly handle SAVE_EXPR.
3529 (put_addressof_into_stack): Likewise.
3530 (assign_parms): Call set_mem_attributes.
3532 (fix_lexical_address): Put reference to chain into frame alias set.
3533 (expand_function_start): Call set_mem_attributes.
3534 * integrate.c (expand_inline_function): Likewise.
3535 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3536 * regmove.c (try_apply_stack_adjustment): Likewise.
3537 * reload.c (push_reload, make_memloc): Likewise.
3538 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3539 * rtl.def (MEM): Update comment.
3540 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3541 (move_by_pieces): Change length to HOST_WIDE_INT.
3542 (record_base_value, record_alias_subset): Delete from here.
3543 * stmt.c (expand_decl): Call set_mem_attributes.
3544 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3545 * toplev.c (compile_file): Call init_alias_once earlier.
3546 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3547 from here: now in alias.c.
3548 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3549 (struct tree_decl): Likewise.
3550 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3551 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3552 (output_constant_def, force_const_mem): Likewise.
3554 * flow.c (propagate_block): If block has no successors, stores to
3555 frame are dead if not used.
3557 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3559 * stmt (expand_end_case): Reorder conversion sequence for jump
3560 table to avoid extra truncations.
3562 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3564 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3565 in the block is more than just a simple conditional branch.
3566 (noce_process_if_block): Similarly.
3568 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3570 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3573 2000-05-30 Michael Meissner <meissner@redhat.com>
3575 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3576 instructions. Treat LO_SUM operations as loading the full integer
3579 2000-05-30 Richard Henderson <rth@cygnus.com>
3581 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3583 2000-05-30 Richard Henderson <rth@cygnus.com>
3585 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3587 2000-05-30 Bruce Korb <bkorb@gnu.org>
3589 * fixinc/tests/*: Added expected result files for fixinc's make check
3590 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3592 2000-05-30 Richard Henderson <rth@cygnus.com>
3594 * config/alpha/alpha.md (*setne_internal): Use match_operator
3595 instead of working down from insn.
3597 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3599 * invoke.texi (-Wtraditional): Update WRT function macros.
3601 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3603 * except.c (free_exception_table): Do not free NULL.
3605 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3607 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3608 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3611 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3613 * flow.c (mark_used_reg): If a register is unconditionally live,
3614 remove any conditional death information.
3616 2000-05-29 Richard Henderson <rth@cygnus.com>
3618 * final.c (current_output_insn): New.
3619 (final_scan_insn): Set it.
3620 * output.h: Declare it.
3622 2000-05-29 Richard Henderson <rth@cygnus.com>
3624 * stor-layout.c (finalize_record_size): Fix typo.
3626 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3629 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3631 * cpplib.h (cpp_reader): Remove if_stack. Change
3632 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3633 * cpphash.h (struct ihash): Change control_macro to a
3634 cpp_hashnode * and shorten name to cmacro.
3635 Add NEVER_REINCLUDE constant.
3637 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3638 Examine the cmacro node directly, no need to call cpp_defined.
3639 (_cpp_execute_include, read_include_file): Set cmacro to
3640 NEVER_REINCLUDE, not U"".
3641 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3642 (cpp_get_token): If pfile->skipping is true, discard text and
3643 keep scanning until we hit a directive; don't expand macros.
3645 * cpplib.c (struct if_stack): Remove if_succeeded, add
3646 was_skipping. Change control_macro to a cpp_hashnode * and
3647 shorten name to cmacro. Remove typedef IF_STACK.
3648 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3649 (conditional_skip, skip_if_group,
3650 consider_directive_while_skipping): Delete.
3651 (push_conditional): New.
3652 (_cpp_handle_directive): Don't process directives other than
3653 conditionals if we are skipping.
3655 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3656 Update to new scheme.
3657 (validate_else): Skip rest of line here, unconditionally.
3658 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3659 pfile->skipping off.
3661 (all): Remove `scare quotes' from error messages.
3663 2000-05-29 Richard Henderson <rth@cygnus.com>
3665 * function.c (emit_return_into_block): New line_note arg; emit it.
3666 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3667 for the close brace to accompany HAVE_return. Move all line notes
3668 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3670 2000-05-29 Richard Henderson <rth@cygnus.com>
3672 * longlong.h [__alpha] (count_leading_zeros): New.
3673 (count_trailing_zeros): New.
3674 (COUNT_LEADING_ZEROS_0): New.
3676 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3677 (alpha_split_conditional_move): New.
3678 * config/alpha/alpha-protos.h: Prototype them.
3679 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3680 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3681 * config/alpha/alpha.md: Update ffs cix commentary.
3683 (*nabssf2, *nabsdf2): New.
3684 (*mov[qhsd]icc_internal): Use add_operand.
3685 (if_then_else constant splitters): New.
3686 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3687 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3689 2000-05-29 Richard Henderson <rth@cygnus.com>
3691 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3692 a constant to NEG or NOT when conditions allow.
3694 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3695 unless both args are general_operand. Don't canonicalize plus
3696 to ior unless it helps.
3698 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3699 instead track register_life_up_to_date. Toggle no_new_pseudos
3702 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3704 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3705 so output_operand doesn't see them.
3707 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3709 * lcm.c (make_preds_opaque): Fix comment.
3710 (optimize_mode_switching): Use NORMAL_MODE instead of
3711 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3712 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3713 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3714 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3715 (MODE_USES_IN_EXIT_BLOCK): Delete.
3716 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3717 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3718 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3719 (MODE_NEEDED): Don't look for USE.
3720 (EPILOGUE_USES): Define.
3722 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3724 * mklibgcc.in (all): Variable initialised to `libgcc'.
3726 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3728 * toplev.h (skip_leading_substring): New macro.
3729 * toplev.c (decode_f_option): Use skip_leading_substring instead
3731 (decode_W_option): Likewise.
3733 2000-05-28 Nick Clifton <nickc@cygnus.com>
3735 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3738 2000-05-28 Richard Henderson <rth@cygnus.com>
3740 * regclass.c (record_operand_costs): Protect reg_changes_size
3741 with CLASS_CANNOT_CHANGE_SIZE.
3743 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3745 2000-05-28 Richard Henderson <rth@cygnus.com>
3747 * function.c (diddle_return_value): A pcc-style struct return
3750 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3752 * cppfiles.c: Read files in, using mmap if possible, then
3753 prescan them separately.
3754 (read_file, read_with_read): New functions.
3755 * cpplex.c: Don't define UCHAR_MAX.
3756 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3759 * cppinit.c (handle_option): Automatically define __cplusplus,
3760 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3761 the respective -lang switch.
3763 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3764 prototype): Move to...
3765 * cpplib.h: ... here. Rename struct hashnode to struct
3766 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3767 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3769 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3771 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3773 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3774 (class_can_change_size): New variable.
3775 (reg_changes_size): New variable.
3776 (init_reg_sets_1): Initialise class_can_change_size.
3777 (record_operand_costs): Remove subreg_changes_size.
3778 Don't pass it around. Instead update reg_changes_size.
3779 (regclass): Initialise and free reg_changes_size. If a register
3780 changes size, don't preference it to a class that contains
3781 registers that can't change size.
3782 (record_reg_classes): Don't look at subreg_changes_size.
3784 2000-05-27 Richard Henderson <rth@cygnus.com>
3786 * print-rtl.c (reg_names): Remove const.
3787 * regclass.c (reg_names): Likewise.
3788 * regs.h (reg_names): Likewise.
3789 * hard-reg-set.h (reg_names): Likewise.
3791 2000-05-27 Richard Henderson <rth@cygnus.com>
3793 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
3795 2000-05-27 Richard Henderson <rth@cygnus.com>
3797 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
3798 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
3799 (alpha_expand_prologue): Emit prologue_mcount if needed.
3800 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
3801 * config/alpha/alpha.md (prologue_mcount): New.
3802 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
3803 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
3804 * config/alpha/netbsd.h: Likewise.
3806 2000-05-27 Richard Henderson <rth@cygnus.com>
3808 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
3809 change to config/elfos.h.
3811 2000-05-27 Richard Henderson <rth@cygnus.com>
3813 * Makefile.in (resource.o): Depend on except.h.
3814 * except.h (output_exception_table_data): Prototype.
3815 * genconfig.c (gen_peephole2): Prototype.
3816 * genemit.c (main): Include ggc.h.
3817 * genoutput.c: Revert parts of last change: include errors.h
3818 (main): Set progname.
3819 * recog.c: Include hard-reg-set.h before recog.h.
3820 * resource.c: Include except.h.
3822 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
3824 (alpha_write_linkage): Protect with BUFSIZ.
3825 (alpha_need_linkage): Update prototype.
3826 * config/alpha/alpha.c (function_arg): Move VMS code here.
3827 (alpha_links_base): Remove.
3829 (mark_alpha_links_node, mark_alpha_links): New.
3830 (alpha_write_one_linkage): New.
3831 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
3832 (alpha_write_linkage): Use splay_tree_foreach.
3833 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
3834 to get the linkage symbol.
3835 (call_value_vms): Likewise.
3836 * config/alpha/elf.h (output_file_directive): Remove decl.
3837 (ctors_section, dtors_section): Prototype.
3838 (sbss_section, sdata_section): Prototype.
3839 * config/alpha/vms.h (FUNCTION_ARG): Remove.
3840 (readonly_section, link_section, literals_section): Prototype.
3841 (ctors_section, dtors_section): Prototype.
3842 (vms_valid_decl_attribute_p): Remove decl.
3843 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
3845 2000-05-27 Geoff Keating <geoffk@cygnus.com>
3847 * reload.c (get_secondary_mem): Don't widen floating-point modes.
3849 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
3850 substituting the REG in a (subreg:X (reg:Y ...)).
3852 2000-05-28 Neil Booth <NeilB@earthling.net>
3854 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
3855 first token of a line BOL. Update EOF code for this.
3856 Remove illegal directive check - it appears in the (not
3857 yet committed) caller.
3858 * cpplib.h (BOL): New flag.
3860 2000-05-28 Neil Booth <NeilB@earthling.net>
3862 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
3863 (_cpp_free_toklist): No comment space to free.
3864 (expand_comment_space): Remove.
3865 (save_comment_space): Place the comment in the current token and
3866 not in a separate comment space.
3867 (_cpp_lex_line): Save comments during plain code and #define
3869 * cpplib.h (struct _cpp_toklist): Remove comment space.
3871 2000-05-28 Neil Booth <NeilB@earthling.net>
3873 * cppexp.c (parse_assertion): Supply extra argument to
3875 * cpplib.c (do_assert, do_unassert): Similarly.
3876 * cpphash.h (_cpp_init_toklist) Update.
3877 (_cpp_expand_token_space): New.
3878 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
3879 * cpplex.c (_cpp_init_toklist): New argument.
3880 (parse_string2): New argument multiline_ok.
3881 (spell_token): Take a const cpp_token *.
3882 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
3883 (SPELL_ macros): Replace with enum.
3884 (expand_token_space): Replace with _cpp_expand_token_space.
3885 Take COUNT argument.
3886 (IS_DIRECTIVE): Update.
3887 (_cpp_lex_line): Update token structure before parsing number.
3888 Don't assume start at beginning of token list.
3889 (save_comment): Use INIT_TOKEN_NAME.
3891 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3893 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
3894 -Wmissing-prototypes.
3895 * configure: Regenerate.
3896 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
3898 * builtins.c, calls.c: Change all instances of gen_call_* or
3899 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
3900 * calls.c (struct_value_size_rtx): Separate definition from
3901 initialization to avoid unused variable warning.
3903 * genflags.c (gen_macro): New function.
3904 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
3905 (gen_nonproto): Delete.
3906 (gen_insn): Put all insns on the same obstack.
3907 (main): Generate prototypes for everything unconditionally.
3909 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
3910 out check for wchar_t.
3911 * acconfig.h: Add template for ssize_t. Remove @TOP@.
3912 * system.h: Add infrastructure for defining missing
3913 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
3914 definitions of UCHAR_MAX and SSIZE_MAX.
3915 * configure: Regenerate.
3916 * config.in: Regenerate.
3918 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
3919 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
3921 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
3922 libgcc2.a, or libgcc1.null.
3924 2000-05-27 Richard Henderson <rth@cygnus.com>
3926 * Makefile.in (recog.o): Don't depend on resource.h.
3927 * recog.c: Don't include resource.h.
3928 (recog_last_allowed_insn): Remove.
3929 (recog_next_insn): Remove.
3930 (struct peep2_insn_data): New.
3931 (peep2_insn_data, peep2_current): New.
3932 (peep2_next_insn): New.
3933 (peep2_regno_dead_p, peep2_reg_dead_p): New.
3934 (peep2_find_free_register): New.
3935 (peephole2_optimize): Track life information by insn as we go.
3936 * recog.h: Update declarations.
3937 * resource.c (find_free_register, reg_dead_p): Remove.
3938 * resource.h: Remove their declarations.
3939 * toplev.c: Include hard-reg-set.h before recog.h.
3941 * genconfig.c (max_insns_per_peep2): New.
3942 (gen_peephole2): New.
3944 * genemit.c (output_peephole2_scratches): Generate calls to
3945 peep2_find_free_register; adjust surrounding code.
3946 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
3947 * genrecog.c (change_state): Don't track last_insn.
3948 (write_action): Write into *_pmatch_len before accepting.
3949 (write_tree): Adjust peephole2_insns and subroutines to match.
3951 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
3953 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
3954 (hard_int_register_operand): New.
3955 * config/alpha/alpha-protos.h: Declare it.
3956 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3957 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
3958 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
3960 2000-05-27 Richard Henderson <rth@cygnus.com>
3962 * function.c (thread_prologue_epilogue_insns): Don't move the
3963 line note at the head of the chain. Only force a lineno note
3964 before the end of block 0.
3966 2000-05-27 Richard Henderson <rth@cygnus.com>
3968 * gensupport.c (collect_insn_data): Record the maximum number
3969 of alternatives, not the last seen.
3971 * genoutput.c: Don't include errors.h.
3972 (struct data): Add lineno member.
3974 (scan_operands): Use message_with_line instead of error.
3975 (validate_insn_alternatives): Likewise.
3976 (gen_insn): Accept and store the pattern's line number.
3977 (gen_peephole, gen_expand, gen_split): Likewise.
3978 (main): Don't set progname. Pass line_no to gen_foo.
3980 2000-05-27 Richard Henderson <rth@cygnus.com>
3982 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
3983 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
3984 * config/d30v/d30v.md (attr predicable): New.
3985 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
3986 (andsi3*): Unify into one pattern.
3987 (iorsi3*, xorsi3*): Likewise.
3988 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
3990 (old cond_exec patterns): Remove.
3991 (define_cond_exec): New.
3993 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3995 * tree.h (TREE_CODE_LENGTH): New macro.
3996 * c-common.c (c_find_base_decl): Use it.
3997 * expr.c (safe_from_p): Likewise.
3998 * print-tree.c (print_node): Likewise.
3999 * tree.c (make_node, copy_node, get_identifier): Likewie.
4000 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
4001 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
4002 * fold-const.c (make_range): Likewise.
4003 (fold): Likewise; also use first_rtl_op.
4004 * c-iterate.c (collect_iterators): Use first_rtl_op.
4005 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
4006 Use IS_EXPR_CODE_CLASS.
4007 (preexpand_calls): Likewise.
4008 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
4009 and TREE_CODE_LENGTH.
4010 * stmt.c (warn_if_unused_value): If no operands, no unused value.
4012 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
4014 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
4016 (movdi_internal64): Likewise.
4018 * config/rs6000/rs6000.md: Correct order of operands for DImode
4021 * config/rs6000/rs6000.c (boolean_or_operator): New function.
4022 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
4023 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
4024 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
4025 boolean_operator for the boolean patterns without NOTs.
4027 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
4028 from reg_or_u_cint_operand. Change comment and behaviour.
4029 (logical_operand): Clean up, add assertion.
4030 (non_logical_cint_operand): Also check for
4031 reg_or_logical_cint_operand.
4032 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
4033 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
4039 2000-05-26 Mark Mitchell <mark@codesourcery.com>
4041 * tree.h (struct record_layout_info): Rename to (struct
4042 record_layout_info_s).
4043 * stor-layout.c (start_record_layout): Replace
4044 `record_layout_info' with `record_layout_info_s'.
4046 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4048 * flow.c (find_label_refs): New function.
4049 (find_basic_blocks_1): Call it for each alternative of a call
4052 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4054 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
4057 2000-05-25 Richard Henderson <rth@cygnus.com>
4059 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
4060 so strict about DImode.
4061 (alpha_swapped_comparison_operator): Likewise.
4062 * config/alpha/alpha.md (*setne_internal): Name it. Allow
4063 any integer output mode.
4064 (*setcc_internal): Likewise.
4065 (*setcc_swapped_internal): Likewise.
4066 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
4067 (*mov[qhs]icc_internal): New.
4068 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
4070 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4072 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
4074 2000-05-25 Richard Henderson <rth@cygnus.com>
4076 * bb-reorder.c (reorder_block_def): Reorder elements for size.
4077 Remove add_jump; add next; replace flags with visited.
4079 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
4080 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
4081 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
4082 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
4084 (reorder_index, reorder_last_visited): Remove.
4085 (skip_insns_after_block): Rewrite to use a switch.
4086 (get_common_dest): Remove.
4087 (chain_reorder_blocks): Remove.
4088 (record_effective_endpoints): Split out from reorder_basic_blocks.
4089 (make_reorder_chain): Likewise. Loop until all blocks are placed.
4090 (make_reorder_chain_1): Renamed from old make_reorder_chain.
4091 Only construct the reorder chain, do not move insns. Try harder
4093 (label_for_bb, emit_jump_to_block_after): New.
4094 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
4095 and adjust the jump insns appropriately. Fixup basic_block_info.
4096 (verify_insn_chain): Always define.
4097 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
4099 (make_new_scope): Don't write zeros to calloc'd space.
4100 (build_scope_forest): Rely on xrealloc to DTRT.
4101 (reorder_basic_blocks): Don't build loop nest. Don't fail if
4102 profile_arc_flag. Streamline EH test.
4104 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
4105 * basic-block.h: Declare them.
4107 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
4109 * emit-rtl.c (reset_used_decls): New function.
4110 (unshare_all_rtl_again): Call it.
4112 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
4114 * cpplex.c (maybe_macroexpand): Warn about function-like
4115 macros used in non-function context, if -Wtraditional.
4117 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4119 * recog.c (peephole2_optimize): Use INSN_P.
4121 2000-05-25 Richard Henderson <rth@cygnus.com>
4123 * ifcvt.c (seq_contains_jump): New.
4124 (noce_try_store_flag_constants): Use it to fail conversion.
4125 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
4127 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4129 * except.h (can_throw): Declare it.
4130 * except.c (can_throw): Give it external linkage.
4131 * resource.c (find_dead_or_set_registers): Use can_throw.
4133 2000-05-25 Richard Henderson <rth@cygnus.com>
4135 * flow.c (mark_set_1): Don't record conditionally dead memory.
4137 2000-05-25 Jan Hubicka <jh@suse.cz>
4139 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
4140 and pc_set at the place of simplejump_p and condjump_p.
4141 * cse.c (record_jump_equiv): Likewise.
4142 * emit-rtl.c (emit): Likewise.
4143 * explow.c (find_next_ref): Likewise.
4144 * flow.c (tidy_fallthru_edge): Likewise.
4145 (init_propagate_block_info): Likewise.
4146 * gcse.c (delete_null_pointer_checks): Likewise.
4147 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
4148 dead_or_predicable): Likewise.
4149 * integrate.c (copy_insn_list): Likewise.
4150 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
4151 for_each_insn_in_loop, check_dbra_loop, get_condition,
4152 insert_bct, load_mems): Likewise.
4153 * resource.c (find_dead_or_set_registers): Likewise.
4154 * sibcalls.c (simplejump_p): Likewise.
4155 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
4157 2000-05-25 David Edelsohn <edelsohn@gnu.org>
4159 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
4160 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
4162 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
4163 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
4164 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
4165 * rs6000.md: Name various internal patterns.
4167 2000-05-25 Jan Hubicka <jh@suse.cz>
4169 * jump.c (invert_exp_1): Remove first argument, use pc_set
4170 to get the expression.
4171 (redirect_exp): Make static; redirect only the pc_set expression,
4172 remove first argument.
4173 (invert_exp): Remove first argument, make static.
4174 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4175 any_onlyjump at most places where we originaly did condjump_p
4177 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4178 (delete_barrier_succesors): Use pc_set.
4179 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4180 calls of invert_exp and redirect_exp.
4181 * rtl.h (redirect_exp, invert_exp): Remove.
4182 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4184 2000-05-25 Richard Henderson <rth@cygnus.com>
4186 * stmt.c (expand_end_bindings): Fix thinko last change.
4188 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4189 Andrew Haley <aph@cygnus.com>
4191 * except.c (func_eh_entry): Add emitted field.
4192 (new_eh_region_entry): Set emitted field to 0;
4193 (output_exception_table_entry): Only emit previously un-emitted data,
4194 and send it to the eh_data section.
4195 (output_exception_table): Break out common parts. Output
4196 exception table for entire compilation unit to eh_data section.
4197 (output_exception_table_data): Common parts of output_exception_table.
4198 Send output to eh_data section.
4199 (output_function_exception_table): Output exception table data for
4200 a single function to eh_data section.
4201 (free_exception_table): New external to free the table.
4202 * except.h (free_exception_table): Add prototype.
4203 (output_function_exception_table): Add prototype.
4204 * final.c (final_end_function): Output function exception table
4205 for IA64_UNWIND_INFO.
4206 (final_scan_insn): Emit any unwind directives for an insn.
4208 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4210 * frame.c: Remove all DWARF 2 specific code.
4211 * config/ia64/frame-ia64.c: New file.
4212 (gthread_stuff): Make all gthread available with
4214 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4215 (__register_frame_info, __register_frame): Move to common area of file.
4216 (__register_frame_info_table, __register_frame_table): Move to common i
4218 (__deregister_frame_info, __deregister_frame): Move to common area.
4219 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4220 (read_uleb128): New version for ia64.
4221 (get_unwind_record): Read the next IA-64 unwind record.
4222 (read_R_record): Read a region header record.
4223 (process_a_b_reg_code): X record helper.
4224 (read_X_record): Read an X format record.
4225 (read_B_record): Read a B format record.
4226 (P3_record_types): List of record types matching the P3 format.
4227 (P7_record_types): List of record types matching the P7 format.
4228 (P8_record_types): List of record types matching the P8 format.
4229 (read_P_record): Read a P format record.
4230 (init_ia64_reg_loc): Set default fields for a register.
4231 (init_ia64_unwind_frame): Set defaults for all register records.
4232 (execute_one_ia64_descriptor): Execute one descriptor record.
4233 (rse_address_add): Calculate the position of a local reg in memory.
4234 (normalize_reg_loc): Turn a location descriptor into a memory address.
4235 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4236 within a specified PC offset range.
4237 (get_real_reg_value): Given a register location, retrieve its value.
4238 (set_real_reg_value): Change the value of a register location.
4239 (copy_reg_value): Copy reg values, if needed.
4240 (copy_saved_reg_state): Copy all registers that need to be copied.
4241 (process_state_between): Normalize all frame register records that
4242 fall within the specified PC range.
4243 (frame_translate): Take a processed frame description, and turn
4244 everything into addresses.
4245 (build_ia64_frame_state ): Find and create frame state record for a PC.
4246 (get_personality): Get the personality routine for a given frame.
4247 (get_except_table): Get the exception table for a given frame.
4248 (record_name): Unwind record names for debugging.
4249 (print_record): Print and unwind record.
4250 (print_all_records): Print an entire unwind image.
4251 (__ia64_backtrace): Print a backtrace.
4252 (ia64_backtrace_helper): New function.
4253 (__register_frame_info_aux): New function.
4254 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4256 * frame.h (enum unw_record_type): New unwind record types.
4257 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4258 (struct unw_r_record, unwind_record): New unwind record structs.
4259 (struct unwind_info_ptr): Unwind information layout.
4260 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4262 (struct ia64_reg_loc): Register location description.
4263 (struct ia64_frame_state): Location of all registers in a frame.
4264 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4265 * libgcc2.c (__ia64_personality_v1): Personality routine.
4266 (__calc_caller_bsp): Calculate the bsp register for the caller's
4268 (ia64_throw_helper): Figure out who to return to and set up the
4270 (__throw): Throw routine.
4272 * output.h (assemble_eh_align, assemble_eh_label): New functions
4273 to generate EH info where we want it.
4274 (assemble_eh_integer): New function.
4275 * toplev.c (compile_file): Output module level exception table for
4277 (main): Set exceptions_via_longjump and flag_new_exceptions based
4278 on IA64_UNWIND_INFO too.
4280 * varasm.c (assemble_eh_label): Generate a label via
4281 ASM_OUTPUT_EH_LABEL if it has been specified.
4282 (assemble_eh_align): Generate an alignment directive via
4283 ASM_OUTPUT_EH_ALIGN if it has been specified.
4284 (assemble_eh_label): Generate an integer value via
4285 ASM_OUTPUT_EH_type if they have been specified.
4286 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4287 (ia64_init_builtins): Add __builtin_ia64_bsp
4288 and __builtin_ia64_flushrs.
4289 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4290 IA64_BUILTIN_FLUSHRS.
4291 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4292 IA64_BUILTIN_FLUSHRS.
4294 * config/ia64/ia64.md (flushrs): New insn to flush the register
4295 stack. Add to unspec list.
4297 * config/ia64/crtbegin.asm (frame_object): Change size.
4298 (__do_frame_setup_aux): New function.
4299 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4300 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4301 * Makefile.in (LIB2ADDEH): Add.
4302 (LIB2ADD): Use LIB2ADDEH.
4304 2000-05-24 Richard Henderson <rth@cygnus.com>
4306 * recog.c (offsettable_address_p): If mode size is zero, assume
4309 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4311 * configure.in: Check for -Wno-long-long option support and improve
4312 handling of warning CFLAGS for stages 1 and 2.
4313 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4314 * configure: Regenerate.
4316 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4318 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4319 * contrib.texi: New file.
4321 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4323 * loop.c (basic_induction_var): Avoid double recording of an increment.
4325 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4327 * Back out this patch:
4328 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4329 * loop.h (struct induction): Add multi_insn_incr.
4330 * loop.c (basic_induction_var): New multi_insn_incr argument.
4331 Set it if we search back through previous insns for the biv.
4332 (record_biv): New multi_insn_incr argument; fill in struct induction.
4333 (strength_reduce): Discard an iv with multiple bivs, any of
4334 which require multiple insns to increment.
4336 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4338 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4340 * rtl.h (loc_mentioned_in_p): Declare.
4341 * reload.c (loc_mentioned_in_p): Moved from here...
4342 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4343 Fix loop increment for 'E' handling.
4344 * loop.c (strength_reduce): When doing biv->giv conversion,
4345 take multi-insn biv increments into account.
4347 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4349 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4352 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4354 * calls.c (expand_call): Handle cleanups in tail-recursion
4355 arguments analagously to cleanups in sibling calls.
4357 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4359 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4360 All callers changed.
4362 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4364 * expr.c (expand_assignment, store_expr, expand_expr,
4365 expand_expr_unaligned): Set in_check_memory_usage while emitting
4366 chkr_check_addr libcall.
4368 2000-05-24 Nick Clifton <nickc@cygnus.com>
4370 * fold-const.c (extract_muldiv): When constructing a
4371 multiplier/divisor, do not expect const_binop to correctly
4372 determine if overflow has occured, so check explicitly.
4374 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4376 * c-decl.c (build_enumerator): Don't modify the value's type,
4379 2000-05-24 Andreas Jaeger <aj@suse.de>
4381 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4383 2000-05-24 Eric Christopher <echristo@cygnus.com>
4385 * configure.in: Redefine inhibit_libc conditions.
4386 * libgcc2.c: Remove inhibit_libc conditional define.
4387 * configure: Regenerate.
4389 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4391 * configure.in: For --enable-languages=LIST, check for empty LIST.
4392 * configure: Regenerate.
4394 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4396 * pdp11.h (STACK_BOUNDARY): Define.
4398 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4400 * ifcvt.c (if_convert): Update life info globally.
4402 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4404 * emit-rtl.c (unshare_all_decls): New function.
4405 (unshare_all_rtl): Call it.
4407 2000-05-23 Nick Clifton <nickc@cygnus.com>
4409 * configure.in: Treat 'strongarm' as if it were 'arm' when
4410 determining cpu type.
4412 * configure: Regenerate.
4414 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4415 where constant strings are involved.
4417 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4420 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4421 cases where constant strings are involved.
4423 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4425 * config/sh/sh.c (gen_far_branch, split_branches): Update
4426 to reflect new prototypes for redirect_jump and invert_jump.
4427 (sh_insn_length_adjustment): Get rid of const warnings.
4429 2000-05-23 Kazu Hirata <kazu@hxi.com>
4431 * invoke.texi (Options for Debugging Your Program or GCC): Update
4432 the names of dump files.
4434 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4436 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4437 * configure: Regenerated.
4439 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4441 * simplify-rtx.c (SIGN_EXTEND): New macro.
4442 (simplify_unary_operation, simplify_binary_operation,
4443 simplify_relational_operation): Use SIGN_EXTEND. Make low
4444 halves of (low, high) pairs unsigned if they weren't already.
4445 (simplify_ternary_operation): Cast INTVAL to unsigned before
4446 comparing to a MODE_BITSIZE.
4448 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4450 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4451 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4453 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4454 gcc_AC_NEED_DECLARATIONS.
4456 * dwarfout.c: Don't prototype time().
4458 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4460 * system.h: Likewise.
4462 * toplev.c: Likewise.
4464 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4466 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4468 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4470 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4472 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4474 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4476 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4478 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4479 (alpha_start_function): Never write ..ng label if VMS or NT.
4480 (alpha_align_insns): Remove GP_IN_USE arg.
4481 Alignment now unsigned.
4482 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4483 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4484 and two define_insn's.
4486 2000-05-22 Richard Henderson <rth@cygnus.com>
4488 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4490 2000-05-22 Richard Henderson <rth@cygnus.com>
4492 * stor-layout.c (place_field): Change rli->size to rli->offset.
4494 2000-05-22 Richard Henderson <rth@cygnus.com>
4496 * function.c (thread_prologue_and_epilogue_insns): Make sure
4497 existing line number notes appear after the prologue.
4499 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4501 * config/alpha/alpha.c (alpha_fnname): New static variable.
4502 (print_operand, case '~'): New case.
4503 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4504 (alpha_start_function): Set alpha_fnname.
4505 Write "ng" label if no ldgp; don't write ldgp insn.
4506 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4507 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4509 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4511 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4514 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4516 * varasm.c (eh_frame_section): Revert change to argument list.
4518 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4520 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4521 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4523 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4524 dangling "else" that causes "break" to be conditional.
4525 Also remove unneeded code at start.
4527 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4529 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4530 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4531 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4533 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4535 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4538 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4540 * alias.c (record_component_aliases): New function.
4541 * tree.h: Clean up some declarations and comments.
4542 (record_component_aliases): New declaration.
4543 * tree.c (get_alias_set): If type and has alias set, use it.
4545 2000-05-22 Richard Henderson <rth@cygnus.com>
4547 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4548 IF_THEN_ELSE to a setcc form.
4549 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4551 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4553 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4554 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4556 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4558 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4561 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4563 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4564 * config/mn10300/mn10300.c (print_operand): Likewise.
4566 * final.c (split_double): Right shift of negative values is not
4569 * ifcvt.c (if_convert): Scan and kill dead code.
4571 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4573 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4575 * diagnostic.c: Eliminate implicit int.
4576 * except.c, gcc.c: Add static prototypes.
4577 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4578 * gensupport.c (process_rtx): Use XVEC to initialize vector
4581 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4582 debug_reg_names instead of static reg_names. If not, define
4584 * regclass.c: Don't define global reg_names unless
4585 DEBUG_REGISTER_NAMES is defined.
4587 * reload1.c (order_regs_for_reload): Remove unused variable.
4588 * varasm.c: Include output.h after defaults.h. Define
4589 eh_frame_section as function of no args, not of unspecified args.
4591 * gcc.c: Constify argbuf; arguments to store_arg,
4592 process_command, main; elements of struct command and struct
4593 switchstr; local variables in execute, process_command, main.
4595 2000-05-20 Bruce Korb <bkorb@gnu.org>
4597 * fixinc/inclhack.def: many applications of c_fix=format + tests
4598 * fixinc/check.diff: regenerated
4599 * fixinc/fixincl.x: regenerated
4601 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4603 * alias.c: Clarify some comments.
4604 (record_base_value): REGNO is unsigned.
4605 * rtl.h (record_base_value): Likewise.
4607 * alias.c (aliases_everything_p): Don't special-case QImode here.
4608 * c-common.c (c_get_alias_set): Do it here.
4609 Handle BIT_FIELD_REF by getting alias info for arg.
4612 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4614 * mklibgcc.in: Restore rule to create ${dir}.
4616 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4618 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4619 GCC_FOR_TARGET used by MULTILIBS.
4620 * mklibgcc.in: Make sure each .o file depends on the
4621 directory it will be in.
4622 Make the multilib directory depends libgcc.
4624 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4626 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4628 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4630 * fold-const.c (make_range): Handle degenerated intervals.
4631 Fixes c-torture/execute/991221-1.c
4633 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4635 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4636 * reload.c (find_equiv_reg): Likewise.
4637 * alias.c (init_alias_analysis): Likewise.
4638 Only call prologue_epilogue_contains on insns.
4639 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4640 * bb-reorder.c (hard-reg-set.h): Include earlier.
4641 * haifa-sched.c (hard-reg-set.h): Likewise.
4642 * ifcvt.c (hard-reg-set.h): Likewise.
4643 * local-alloc.c (hard-reg-set.h): Likewise.
4644 * loop.c (hard-reg-set.h): Likewise.
4645 * predict.c (hard-reg-set.h): Likewise.
4646 * regrename.c (hard-reg-set.h): Likewise.
4647 * flow.c (hard-reg-set.h): Likewise.
4648 (reg_set_to_hard_reg_set): New function.
4649 * bitmap.c (regs.h, basic-block.h): No longer include.
4650 (bitmap.h): Now include.
4651 * conflict.c (hard-reg-set.h): Include.
4652 * profile.c (hard-reg-set.h): Likewise.
4653 * print-rtl.c (hard-reg-set.h): Likewise.
4654 * sbitmap.c (hard-reg-set.h): Likewise.
4655 * toplev.c (hard-reg-set.h): Likewise.
4656 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4657 * hard-reg-set.h (reg_names): Now constant.
4658 * regs.h (reg_names): Likewise.
4659 * regclass.c (reg_names): Likewise.
4660 * loop.h (basic-block.h): No longer include.
4661 (bitmap.h): Now include.
4662 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4663 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4664 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4666 2000-05-19 Jan Hubicka <jh@suse.cz>
4667 Richard Henderson <rth@cygnus.com>
4669 * basic-block.h (struct edge_def): New field "count".
4670 (struct basic_block_def): Likewise.
4671 * flow.c (entry_exit_blocks): Add count fileds.
4672 (split_edge): Keep count information up-to-date.
4673 (dump_edge_info, dump_flow_info): Dump count fields.
4675 * final.c (count_instrumented_edges): Rename to edge from arc.
4676 (end_final): Update users.
4677 * profile.c: Include expr.h, basic-block.h.
4678 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4679 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4680 (ignore_next_note, return_label_execution_count): Kill.
4681 (bbg_file_name, da_file_name): Kill.
4682 (edge_info, bb_info): New structures.
4683 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4684 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4685 (total_num_edges_instrumented): Likewise.
4686 (init_arc, expand_spanning_tree): Kill.
4687 (fill_spanning_tree, tablejump_entry_p): Kill.
4688 (instrument_edges): Rewrite from instrument_arcs to use
4689 commit_edge_insertions infrastructure.
4690 (compute_branch_probabilities): Remove arguments; rewrite for
4691 CFG infrastructure; use rtl_dump_file directly.
4692 (branch_prob, find_spanning_tree): Likewise.
4693 (union_groups, find_group): New.
4694 (init_branch_prob): Make bbg_file_name and da_file_name local.
4695 (end_branch_prob): Use rtl_dump_file directly.
4696 (init_edge_profiler): Rename to edge from arc.
4697 (output_arc_profiler): Kill.
4698 (gen_edge_profiler): New.
4699 (output_func_start_profiler): Turn off profiling. Make the
4700 constructor static when we can.
4701 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4703 * toplev.c (DFI_flow): Remove.
4704 (DFI_cfg, DFI_life): New.
4705 (dump_file): Update accordingly.
4706 (compile_file): Call end_branch_prob if profile_arc_flag too.
4707 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4708 profiling after the CFG is built. Move flow1 life analysis to
4709 DFI_life. Always estimate remaining probabilities.
4711 2000-05-19 Richard Henderson <rth@cygnus.com>
4713 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4715 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4717 2000-05-19 Richard Henderson <rth@cygnus.com>
4719 * jump.c (redirect_jump): Add delete_unused argument. Don't
4720 remove labels and code following when LABEL_NUSES goes to zero.
4721 (invert_jump): Likewise.
4722 (jump_optimize_1): Fix redirect/invert arguments.
4723 (do_cross_jump, thread_jumps): Likewise.
4724 * flow.c (split_edge): Likewise.
4725 * reorg.c (optimize_skip): Likewise.
4726 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4727 * profile.c (instrument_arcs): Likewise.
4728 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4729 * rtl.h: Update prototypes.
4731 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4733 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4735 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4738 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4740 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4741 past l1 when deleting whitespace and markers.
4743 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4744 * cpplib.c (do_unassert): Put the list to compare against on
4747 2000-05-19 Bruce Korb <bkorb@gnu.org>
4749 * fixinc/README: cleaned up old documentation
4750 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4751 * fixinc/check.tpl: compute the list of needed directories
4752 emit "#if defined(name)" because of conflict
4753 omit machine name differences from output differences
4754 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4755 (machine_name): change test text to use `sed' markers
4756 * fixinc/fixincl.x: regen
4758 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4760 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4763 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4765 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4766 it to match the current practice.
4768 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4770 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4772 2000-05-18 Richard Henderson <rth@cygnus.com>
4774 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4775 * rtl.h (insn_dependant_p): Declare it.
4776 * loop.c (strength_reduce): Use it.
4778 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4780 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4781 16-bit and 64-bit clean-up.
4783 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4785 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4786 * configure: Rebuilt.
4788 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4790 * genopinit.c: Use $ for escape sequences in optab patterns.
4791 Remove backslashes from optab patterns. Change $A, $B, $C to
4792 expand to (int) whatever instead of just whatever; remove
4793 explicit (int) from all optab patterns.
4795 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
4796 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
4797 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
4798 genrecog.c: Remove private copies of xmalloc, xrealloc, and
4801 2000-05-18 Richard Henderson <rth@cygnus.com>
4803 * jump.c (jump_optimize_1): Base minimum insn count during
4804 find_cross_jump on BRANCH_COST.
4806 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4808 * print-rtl.c (print_rtx): Only print note line number as string
4809 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
4810 * final.c (final_scan_insn): Do nothing for note line number 0.
4812 2000-05-18 Jakub Jelinek <jakub@redhat.com>
4814 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
4815 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
4816 NOTE_INSN_DELETED_LABEL.
4818 2000-05-18 Nick Clifton <nickc@cygnus.com>
4820 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
4821 uninitialised data in .rodata not .bss, and do not interpret an
4822 error in the initialisation value as meaning that the variable
4823 should be placed in the .bss section.
4825 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
4827 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
4828 not `$ac_cv_prog_cc_cc_c_o'.
4829 * configure: Regenerated.
4831 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4832 Richard Henderson <rth@cygnus.com>
4834 * c-common.h (enum c_tree_index): Add g77 type entries.
4835 (g77_integer_type_node, g77_uinteger_type_node): New.
4836 (g77_longint_type_node, g77_ulongint_type_node): New.
4837 * c-decl.c (init_decl_processing): Initialize them.
4839 2000-05-18 Richard Henderson <rth@cygnus.com>
4841 * config/h8300/h8300.md (subs patterns): Use %G to negate.
4843 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
4844 (small_power_of_two): Likewise; use exact_log2.
4845 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
4846 (output_adds_subs): Remove.
4847 (two_insn_adds_subs_operand): New.
4848 (split_adds_subs): New.
4849 * config/h8300/h8300-protos.h: Update.
4850 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
4851 (CONST_OK_FOR_L): Match strict adds operands.
4852 (CONST_OK_FOR_N): Match struct subs operands.
4853 * config/h8300/h8300.md (adds_subs insns): Remove.
4854 (addhi patterns): Output adds/subs directly.
4855 (addsi_h8300h): Likewise.
4856 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
4858 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4860 * cppexp.c (parse_assertion): New.
4861 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
4862 (_cpp_parse_expr): Remove case '#'. Don't set
4863 parsing_if_directive.
4864 * cpphash.c (collect_objlike_expansion,
4865 collect_funlike_expansion, collect_params,
4866 _cpp_create_definition): The list no longer has a trailing
4868 * cpphash.h (enum node_type): Add T_ASSERTION.
4869 (struct hashnode): Remove aschain, add pred.
4870 (struct predicate): New.
4873 * cpplex.c (expand_token_space): Handle both offset and
4875 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
4876 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
4877 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
4878 _cpp_equiv_toklists): New.
4879 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
4880 stop at any single-character token, not just newline.
4881 (_cpp_lex_token): Remove special cases for #define and #if.
4882 (cpp_get_token): Expect # as a separate token type. Remove
4884 (_cpp_get_directive_token): Remove DIRECTIVE case.
4885 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
4887 * cpplib.c (_cpp_check_directive): Set dirno and
4888 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
4889 (_cpp_handle_directive): Run # <number> through the same logic
4890 as normal directives.
4891 (do_define): Don't set parsing_define_directive. Use
4892 _cpp_scan_until. The list does not have a VSPACE at the end.
4893 (do_if): Save, clear, and restore only_seen_white around
4895 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
4896 (do_assert, do_unassert): Rewrite.
4898 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
4899 (LIST_OFFSET): New flag.
4900 (struct cpp_toklist): Replace dir_handler and dir_flags with
4902 (struct cpp_reader): Remove parsing_if_directive and
4903 parsing_define_directive.
4905 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4907 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
4908 following the cabs decl which terminate on the following line.
4909 Add the corresponding test_text case.
4911 2000-05-18 Neil Booth <NeilB@earthling.net>
4913 * cppinit.c (cpp_reader_init): Initialise col_adjust and
4914 default tab stop size.
4915 (no_num, OPT_ftabstop): New.
4916 (handle_option): Handle "ftabstop=" command-line option.
4917 (print_help): Document it.
4918 * cpplex.c (COLUMN): Remove.
4919 (handle_newline): Reset col_adjust.
4920 (skip_whitespace): Update col_adjust as tabs encountered.
4921 (_cpp_lex_line): Update to use col_adjust. Call
4922 skip_whitespace for all whitespace.
4923 * cpplib.h (struct cpp_options): New member tabstop.
4924 (struct cpp_reader): New member col_adjust.
4925 (CPP_BUF_COL): Update.
4926 (CPP_BUF_COLUMN): New.
4927 * cpp.texi: Document "-ftabstop=" command line option.
4929 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
4931 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
4933 * configure: Rebuilt.
4935 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
4937 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
4939 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
4940 HOST_BITS_PER_WIDE_INT is >= 64.
4942 2000-05-17 Richard Henderson <rth@cygnus.com>
4944 * jump.c (jump_optimize_1): Remove inactive but real insns
4945 in jump-to-next-insn optimization.
4947 2000-05-17 Richard Henderson <rth@cygnus.com>
4949 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
4950 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
4951 Don't call recompute_reg_usage if no_new_pseudos is true.
4952 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
4953 Return true if we did work; update global life information.
4954 * basic-block.h (optimize_mode_switching): Update decl.
4956 2000-05-17 Neil Booth <neilb@earthling.net>
4958 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
4960 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
4962 * cpplib.c: New feature, #pragma system_header.
4963 * cpp.texi: Document special treatment of system headers, and
4964 the various mechanisms to get a header that special treatment.
4966 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4968 * system.h (offsetof): Define at the very end, to ensure we prefer
4969 the platform's definition if available.
4971 2000-05-16 Bruce Korb <bkorb@gnu.org>
4973 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
4974 * fixinc/server.c: likewise
4975 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
4976 + #ifdef debugging code + use #def constant for
4978 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
4979 on C++ math namespace
4981 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4983 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
4984 Don't check the return value of sprintf. Use asprintf to avoid
4987 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
4989 * flags.h (warn_unused_function, warn_unused_label,
4990 warn_unused_parameter, warn_unused_variable, warn_unused_value):
4991 Replace ``warn_unused''.
4992 (set_Wunused): Add declaration.
4993 * toplev.c (set_Wunused): New function.
4994 (warn_unused_function, warn_unused_label, warn_unused_parameter,
4995 warn_unused_variable, warn_unused_value): New variables.
4996 (W_options): Add -Wunused-function, -Wunused-function,
4997 -Wunused-label, -Wunused-parameter, -Wunused-variable and
4998 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
5000 * toplev.c (decode_W_option): Update -Wunused flags by calling
5002 * c-decl.c (c_decode_option): Ditto for -Wall.
5004 * stmt.c (expand_expr_stmt, expand_expr_stmt,
5005 warn_about_unused_variables): Replace warn_unused with more
5006 explicit warn_unused_value et.al.
5007 * function.c (expand_function_end): Ditto.
5008 * c-typeck.c (internal_build_compound_expr,
5009 internal_build_compound_expr): Ditto.
5010 * c-decl.c (poplevel, pop_label_level): Ditto.
5011 * toplev.c (check_global_declarations): Replace warn_unused with
5012 check for either warn_unused_function or warn_unused_variable.
5014 * gcc.1, invoke.texi (Warning Options): Document
5015 -Wunused-function, -Wunused-function, -Wunused-label,
5016 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
5018 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
5020 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
5021 $(srcdir), not in the current directory.
5023 2000-05-16 Richard Henderson <rth@cygnus.com>
5025 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
5026 assembler supports it.
5027 (.fini, .init): Use a gp-relative indirect call.
5028 (__do_global_dtors_aux): Preserve the gp; rebundle.
5029 (__do_frame_setup): Likewise.
5030 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
5031 (.init): Use a gp-relative indirect call.
5032 (__do_global_ctors_aux): Preserve the gp.
5034 2000-05-16 Richard Henderson <rth@cygnus.com>
5036 * flow.c (commit_one_edge_insertion): Be prepared for a return
5037 insn to be inserted on the edge with a normal jump.
5038 * jump.c (jump_optimize_1): Don't look to create return isns.
5040 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
5041 * jump.c (jump_optimize_1): Likewise.
5042 (returnjump_p): Verify the argument is a JUMP_INSN.
5043 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
5045 2000-05-16 Nick Clifton <nickc@cygnus.com>
5047 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
5048 GET_RTX_CLASS (GET_CODE ()) == 'i'.
5049 (large_insn_p): Ditto.
5050 (m32r_is_insn): New function: Return true if the insn contains
5051 an executable instruction.
5052 (m32r_adjust_insn): Use m32r_is_insn.
5053 (m32r_sched_reorder): Use m32r_is_insn.
5054 (m32r_sched_variable_issue): Use m32r_is_insn.
5056 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5058 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
5061 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
5063 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
5064 according to given options.
5066 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
5068 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
5069 if X has VOIDmode either.
5070 (LIMIT_RELOAD_CLASS): Similarly.
5072 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
5073 not "general_operand" to match the processor's capabilities.
5075 2000-05-16 Bruce Korb <bkorb@gnu.org>
5077 * fixinc/README: corrected return address
5078 * fixinc/check.diff: regenerate, now that test works
5079 * fixinc/fixfixes.c(format_fix,format_write): reformatted
5080 (char_macro_def_fix,char_macro_use_fix): corrected and
5081 rewrote to use regex to parse the text
5082 * fixinc/inclhack.def: more testing
5083 * fixinc/fixincl.x: regenerated
5085 * fixinc/inclhack.def: added several "test_text" attributes
5086 changed several fixes to use `c_fix = format'
5087 re-alphabetized the fixes
5089 * fixinc/check.diff: regenerate
5090 * fixinc/fixincl.x: regenerate
5091 * fixinc/check.tpl: added `sparc' and `netinet' to the list
5095 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
5097 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
5099 2000-05-15 Richard Henderson <rth@cygnus.com>
5101 * toplev.c (rest_of_compilation): Run full jump pass before
5102 find_basic_blocks of flow2.
5104 2000-05-15 Richard Henderson <rth@cygnus.com>
5106 * jump.c: Fix typos and clarify commentary from last change.
5107 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
5108 (safe_to_remove_jump_p): Remove.
5109 (condjump_label): Use pc_set.
5111 2000-05-15 Richard Henderson <rth@cygnus.com>
5113 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
5114 that get in the way after reload.
5115 (cond_exec_process_if_block): Skip a label heading THEN block.
5117 2000-05-15 Richard Henderson <rth@cygnus.com>
5119 * varasm.c (output_constant_pool): Abort instead of converting
5120 (improperly) deleted labels to zero.
5122 2000-05-16 Neil Booth <NeilB@earthling.net>
5124 * cpplex.c (parse_string2): Update comment.
5125 (cpp_lex_line): No special assertion treatment for '('.
5126 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
5127 * cpplib.h (SYNTAX_ASSERT): Remove.
5129 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5131 * jump.c (condjump_p): Mark as depreached.
5132 (any_condump_p): New.
5133 (any_uncondump_p): New.
5135 (safe_to_remove_jump_p): New.
5136 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
5137 safe_to_remove_jump_p): Declare.
5139 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5141 * calls.c: Re-install both patches reverted by last patch.
5142 (struct arg_data): New field tail_call_reg.
5143 (initialize_argument_information): Initialize tail_call_reg
5144 (load_register_parameters): New argument flags, use
5145 tail_call_reg when emiting tail call sequence.
5146 (expand_call): Update call of load_register_parameters;
5147 copy unadjusted_args_size to adjusted_args_size.
5149 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5151 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
5152 and bct_p parameters to flags.
5153 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
5154 * rtl.h (loop_optimize): Update prototype.
5155 * toplev.c (rest_of_compilation): Update call of loop_optimize.
5157 2000-05-15 Jakub Jelinek <jakub@redhat.com>
5159 * calls.c (expand_call): Move expand_start_target_temps call after
5162 2000-05-15 Neil Booth <NeilB@earthling.net>
5164 * cpphash.c (trad_stringify, warn_trad_stringify,
5165 collect_params): Make some pointers pointers to const.
5166 * cpplex.c (auto_expand_name_space) Guaranteed to always
5167 expand by at least one character.
5168 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
5169 (struct token_spelling): Use const U_CHAR * rather than PTR.
5170 (expand_name_space): Fix up token pointers if name space
5171 is moved when expanding.
5172 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
5173 parse_string2, save_comment, spell_token, cpp_output_list):
5174 Update so the routines handle tokens with a direct pointer to
5175 their text, rather than an offset into the token's list's namebuf.
5176 (_cpp_lex_line): Rearrange for clarity.
5178 * cpplib.c (_cpp_check_directive): Similarly.
5179 (do_define): Make SYM a pointer to const.
5180 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5181 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5182 (TOK_OFFSET): Delete.
5185 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5187 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5190 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5192 (logical_u_operand): Delete.
5193 (non_logical_cint_operand): Rewrite to take MODE into account.
5194 (non_logical_u_cint_operand): Delete.
5195 (boolean_operator): New function.
5196 (print_operand): Add new %q operand.
5197 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5198 remove logical_u_operand and non_logical_u_cint_operand,
5199 update logical_operand and non_logical_cint_operand.
5200 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5201 logical operations to use %q.
5203 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5204 (movdi): Make similar to movsi.
5205 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5206 is no such thing as a DImode CONST_DOUBLE.
5207 * config/rs6000/rs6000.c (output_toc): Likewise.
5209 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5210 codes when old mnemonics are in use. Print register names
5211 for cc registers when requested.
5213 * optabs.c (expand_float): Don't allow mode widening that causes
5216 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5217 flags to their current names -maix64 and -maix32.
5219 2000-05-14 Bruce Korb <bkorb@gnu.org>
5221 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5222 and/or after current text of file
5223 * fixinc/fixlib.c(must_malloc):
5224 * fixinc/fixlib.h(must_malloc): + reformatting
5225 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5226 with usages of ``c_fix = wrap;''
5227 Add several tests and use the ``c_fix = format'' fixer more.
5228 * fixinc/fixincl.x: regen
5229 * fixinc/check.diff: regen
5230 * fixinc/check.tpl: emit the associated header with the missing
5233 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5235 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5236 variables $src and $dst.
5238 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5240 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5241 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5242 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5243 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5245 (set_message_prefixing_rule): Declare.
5247 * diagnostic.c: (current_prefixing_rule): New variable.
5248 (set_message_prefixing_rule): Define.
5249 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5250 (init_output_buffer): Adjust Initialization.
5251 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5253 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5255 * ifcvt.c (if_convert): Do not free NULL.
5257 2000-05-12 H.J. Lu (hjl@gnu.org)
5259 * gthr-dce.h: Add support for libobjc.
5260 * gthr-posix.h: Likewise.
5261 * gthr-solaris.h: Likewise.
5262 * gthr-vxworks.h: Likewise.
5263 * gthr-single.h: Likewise.
5264 * gthr-win32.h: Likewise.
5266 2000-05-12 Nick Clifton <nickc@cygnus.com>
5268 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5269 to move a double word value.
5270 (di_operand): New function: Return true if the operand is suitbale
5271 for a double word move operation.
5272 (nonimmediate_di_operand): New function: Return true if the
5273 operand is a DImode register or MEM.
5275 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5276 nonimmediate_di_operand.
5278 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5279 nonimmediate_di_operand.
5281 * config/fr30/fr30.md (movdi): New pattern. Required because
5282 other patterns generate DImode results.
5283 (movdi_insn): New pattern.
5285 2000-05-12 Richard Henderson <rth@cygnus.com>
5287 * config/alpha/alpha.c (struct shadow_summary): Define
5288 bitfields as type unsigned int.
5290 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5292 * config/avr/t-avr: Added definition of FLOAT while generates
5295 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5296 peepholes for tst+jump = sbrs/sbrc optimization.
5298 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5300 * expr.c (emit_push_insn): Do not adjust stack pointer when
5303 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5305 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5306 * system.h (offsetof): ... to here.
5308 2000-05-12 Richard Henderson <rth@cygnus.com>
5310 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5311 * final.c (final_end_function): Use app_disable. Rearrange note
5312 handling into a switch. Emit deleted labels.
5313 (output_asm_label): Generate label strings for deleted labels.
5314 * flow.c (tail_recursion_label_list): New.
5315 (find_basic_blocks_1): Set label_value_list directly. Collect list
5316 of tail recursion labels from call_placeholders. Don't add deleted
5317 labels to the label value list.
5318 (cleanup_cfg): Use free_EXPR_LIST_list.
5319 (flow_delete_insn_chain): Turn non-removable labels into notes.
5320 (flow_delete_block): Don't disable deleting the block because of
5321 a non-removable label.
5322 (tail_recursion_label_p): New.
5323 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5325 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5327 (merge_blocks): Disable a merge because of tail recursion labels.
5328 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5329 Use a more accurate measure of not merging the join block.
5330 (find_if_block): Don't disable conversion because of a label.
5331 (find_if_case_1, find_if_case_2): Likewise.
5332 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5333 element when copying.
5334 (squeeze_notes): Also leave EH notes.
5335 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5337 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5339 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5340 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5341 referring to a deleted label. Convert tail handling to a switch.
5342 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5343 for NOTE_INSN_DELETED_LABEL.
5344 (NOTE): Fix commentary.
5345 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5346 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5347 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5348 (LABEL_NUSES, LABEL_REFS): Likewise.
5349 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5351 2000-05-12 Bruce Korb <bkorb@gnu.org>
5353 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5354 * fixinc/check.diff: updated
5355 * fixinc/inclhack.def: corrected & added some test_text-s
5356 * fixinc/genfixes: removed unneeded options to autogen invocation
5357 * fixinc/fixincl.tpl: Specified the output file
5358 * fixinc/fixfixes.c: visual appearance
5359 * fixinc/fixincl.x: regenerate
5361 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5363 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5364 CTRL_defn_fix): Delete.
5365 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5366 char_macro_def_fix and char_macro_use_fix, respectively. Put
5367 them into the FIXUP_TABLE. Get the string to search for from
5370 (format_write): New function.
5371 (format_fix): Use it.
5373 (FIX_PROC_HEAD): Constify text parameter.
5374 (machine_name_fix): Constify all char *s.
5375 * fixtests.c (skip_quote): Remove double static.
5377 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5378 ctrl_use_quotes): Update for new scheme.
5379 * fixincl.x: Regenerate.
5381 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5383 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5385 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5386 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5388 2000-05-11 Robert Lipe <robertlipe@usa.net>
5390 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5391 * fixincl.x: Regenerate.
5393 2000-05-11 Richard Henderson <rth@cygnus.com>
5395 * calls.c: Revert both 05-09 patches.
5397 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5399 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5401 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5404 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5405 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5407 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5409 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5411 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5413 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5415 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5417 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5418 * config/avr/avr.c (jump_over_one_insn_p): New function.
5419 * config/avr/avr.md: New peepholes added. Output test and
5420 conditional jump to "sbrc" or "sbrs" command.
5422 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5424 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5426 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5428 * except.c (find_exception_handler_labels_1): New function.
5429 (find_exception_handler_labels): Split into two functions, dive
5430 into CALL_PLACEHOLDERs when looking for exception handler labels.
5432 2000-05-11 Stan Cox <scox@cygnus.com>
5434 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5435 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5436 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5438 2000-05-11 Bruce Korb <bkorb@gnu.org>
5440 * fixinc/fixfixes.c (double_slash_fix): obsolete
5441 (else_endif_label_fix): obsolete
5442 (format_fix): new, unused as yet
5444 * fixinc/fixlib.h: added fix description struct for use by format_fix
5445 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5446 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5447 modules. Removed the vestiges of the script version.
5448 Added support for "make check".
5449 * fixinc/check.diff: base diff file (needs work!!)
5450 * fixinc/check.tpl: quiet the fixup output
5451 * fixinc/fixtests.c (main): obsolete
5452 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5453 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5455 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5457 * toplev.c (rest_of_compilation): Remove dead code after
5460 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5462 * cpphash.c (collect_funlike_expansion): Make "# is not
5463 followed by a macro argument name" a pedwarn, not an error.
5464 Preserve the # in the output. Suppress the warning if lang_asm.
5466 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5468 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5469 * configure: Rebuilt.
5471 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5473 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5475 2000-05-10 Kazu Hirata <kazu@hxi.com>
5477 * combine.c (try_combine): Fix a typo.
5479 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5481 * config/ia64/ia64.md (insv): Add comment.
5483 2000-05-10 Richard Henderson <rth@cygnus.com>
5485 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5486 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5487 dependancies on FPBIT and DPBIT.
5489 2000-05-10 Nick Clifton <nickc@redhat.com>
5491 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5492 when optimising for size.
5493 (mark_used_regs:) Ditto.
5494 (try_pre_increment_1): Ditto.
5496 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5498 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5499 Make error message friendlier.
5501 * cpphash.h (struct hashnode): Use struct hack for name
5503 * cpphash.c (struct hashdummy): New.
5504 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5505 (make_HASHNODE): No need to set ->name pointer. Correct
5507 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5509 2000-05-10 Richard Henderson <rth@cygnus.com>
5511 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5514 2000-05-10 Bruce Korb <bkorb@gnu.org>
5516 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5518 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5520 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5521 after we enter .debug.
5523 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5525 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5526 abstract instance of a nested inline function.
5528 * stor-layout.c (finish_record_layout): finalize_type_size
5529 before laying out the pending_statics.
5531 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5533 * cpplex.c (spell_token): New function.
5534 (spell_string, spell_comment, spell_name): fold into
5537 (E, H): Remove macros.
5538 (save_comment): Save comment opening characters too.
5539 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5541 * cpplib.h (I, S): Add macros.
5542 (E, H): Remove macros.
5543 (TTYPE_TABLE): Update entries for new speller.
5544 (SYNTAX_ASSERT): Remove.
5546 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5548 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5549 when removing escaped newlines. Reverse sense of test for
5552 2000-05-09 Richard Henderson <rth@cygnus.com>
5554 * flow.c (find_basic_blocks_1): Do not delete the first
5555 bb_note we run across.
5556 (create_basic_block): Use reorder_insns to move an existing
5557 bb_note to the correct place.
5559 2000-05-09 Richard Henderson <rth@cygnus.com>
5561 * calls.c (expand_call): Increment currently_expanding_call
5562 before calling optimize_tail_recursion.
5564 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5566 * reload1.c (reload_combine): Fix errors in last change.
5568 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5570 * gcc.c (used_arg): Skip over a semicolon at the end of the
5571 split-up loop; don't break out of it.
5573 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5574 (tree.o): Depend on output.h.
5576 * c-decl.c (pending_invalid_xref_file,
5577 current_function_prototype_file): Constify.
5578 (pushdecl): Constify a local char *.
5579 (define_label): Constify filename parameter.
5580 * c-lex.c (init_parse): Constify parameter and return value.
5581 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5582 * c-tree.h: Update prototypes.
5583 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5584 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5585 objc/objc-parse.c: Regenerate.
5587 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5588 * dwarfout.h: Update prototypes.
5589 * expr.c (expand_expr): Constify a local char *.
5590 * flags.h: Constify main_input_filename.
5591 * function.c (expand_function_end): Constify filename parameter.
5592 * genrecog.c (make_insn_sequence): Use a character array for
5594 (main): Remove unused variables.
5595 * input.h: Constify input_filename, main_input_filename, and
5596 file_stack.name. Update prototypes.
5597 * output.h: Declare first_global_object_name and
5598 weak_global_object_name here, as const char *.
5599 * stmt.c (expand_asm_operands): Constify filename parameter.
5600 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5601 Constify filename parameter.
5602 (input_filename, main_input_filename): Constify.
5603 * toplev.h: Update prototypes.
5604 * tree.c: Include output.h. Don't declare
5605 first_global_object_name or weak_global_object_name. Clean up string
5606 bashing in get_file_function_name_long.
5607 * tree.h (struct tree_decl): Constify filename member.
5608 (input_filename): Constify.
5610 * varasm.c (first_global_object_name, weak_global_object_name):
5612 (assemble_start_function, assemble_variable): Clean up string bashing.
5614 * gcc.c: Constify all spec-related strings initialized,
5615 transitively, from string constants. Constify all strings
5616 and string variables related to multilibs.
5617 (set_spec, read_specs): Cast argument to free to PTR.
5618 (used_arg): Do not modify multilib_matches. Use strncmp plus
5619 length comparison to compare multilib switches.
5620 * genmultilib: Constify everything declared in multilib.h.
5622 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5624 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5627 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5629 * config/avr/avr-protos.h (extra_constraint): change a type of
5630 second argument from char to int to avoid warnings.
5631 (asm_output_byte): Likewise.
5633 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5634 (initial_elimination_offset): Handle elimination from
5635 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5636 (legitimate_address_p): Use MAX_LD_OFFSET.
5637 (legitimize_address): Likewise.
5638 (out_movqi_r_mr): Likewise.
5639 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5640 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5641 (out_movsi_mr_r): Likewise.
5642 (out_movqi_mr_r): Likewise.
5643 (out_movhi_mr_r): Likewise.
5644 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5645 count as CONST_INT != 6.
5646 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5647 shift count is a CONSTANT_P, but not a CONST_INT.
5648 (ashlhi3_out): Coding style modifications.
5649 (ashlsi3_out): Likewise.
5650 (ashrhi3_out): Likewise.
5651 (ashrsi3_out): Likewise.
5652 (lshrhi3_out): Likewise.
5653 (lshrsi3_out): Likewise.
5654 (ashrqi3_out): Generate shift for any known constant count without
5655 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5656 but not a CONST_INT.
5657 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5658 shift count is a CONSTANT_P, but not a CONST_INT.
5659 (extra_constraint): change a type of
5660 second argument from char to int to avoid warnings.
5661 (asm_output_byte): Likewise.
5662 (asm_file_end): Output size generated commands count as a hex
5665 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5667 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5669 (ashlqi3): Values of "length" attribute changed. Shift count
5670 uses constraints 'n' instead of 'i'.
5671 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5672 shifts without clobber register.
5673 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5674 (call_insn): Correct test for which_alternative == 1 (was 0).
5675 (call_value_insn): Likewise.
5677 * config/avr/t-avr: Remove definition of FLOAT while generates
5680 2000-05-09 Bruce Korb <bkorb@gnu.org>
5682 * fixinc/check.tpl: Template for checking fixes
5683 * fixinc/inclhack.def: Added 'test_text' for many fixes
5684 disable hpux8_bogus_inlines on SCO
5685 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5687 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5689 * calls.c (expand_call): Reorganize somewhat in order
5690 to avoid unnecesary recalculation inside loop and make
5691 tail call failure code cleaner.
5693 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5695 * alias.c (nonlocal_reference_p): Minor reformatting.
5696 * reload.c (find_equiv_reg): Simplify logic for
5697 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5698 some some reformatting.
5699 * reload1.c (reload_combine): Don't assume everything in
5700 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5702 2000-05-08 Richard Henderson <rth@cygnus.com>
5704 * final.c (current_insn_predicate): New.
5705 (final_scan_insn): Set it.
5706 * output.h (current_insn_predicate): Declare.
5708 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5709 Attach it to call insns.
5710 (cond_exec_process_if_block): Track probability for true and
5712 (dead_or_predicable): Likewise.
5714 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5715 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5716 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5717 (estimate_probability, expected_value_to_br_prob): Use them.
5719 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5720 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5721 (ia64_expand_prediction): New.
5722 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5723 as needed after calls.
5724 (ia64_epilogue_uses): Mark b0 used.
5725 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5726 (bne_true, bne_false): Remove.
5727 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5728 (br_true, br_false): New. Use predicate_operator and
5729 ia64_expand_prediction.
5730 (return_true, return_false): Likewise.
5731 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5732 (call_internal1, call_value_internal): Likewise.
5733 (call_value_internal1, call_multiple_values_internal1): Likewise.
5735 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5737 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5739 2000-05-08 Richard Henderson <rth@cygnus.com>
5741 * rtlanal.c (may_trap_p): Consider old-style and volatile
5744 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5746 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5748 2000-05-08 Richard Henderson <rth@cygnus.com>
5750 * config/ia64/ia64.h (predicate_operator): Declare.
5752 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5755 * gensupport.c (process_rtx): Copy and post-process each member
5756 of the define_insn rtvec individually.
5758 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5760 * cpplex.c (spell_token): New function.
5761 (TOKEN_LEN): Add 1 for whitespace.
5762 (_cpp_lex_file): Update to use spell_token.
5763 * cpplib.h (E): Remove.
5764 (TTYPE_TABLE): Update CPP_VSPACE entry.
5766 2000-05-08 Richard Henderson <rth@cygnus.com>
5768 * flow.c (init_propagate_block_info): Watch out for conditional
5769 branch to next instruction, and thus one outgoing edge.
5771 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5772 for global register variables; don't special case __[CD]TOR_LIST__;
5773 mind ggc_p for string allocation.
5775 2000-05-08 Nick Clifton <nickc@cygnus.com>
5777 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5779 2000-05-08 Bruce Korb <bkorb@gnu.org>
5781 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5782 i?86-*-msdosdjgpp* no longer uses fixincludes
5783 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5784 * fixinc/inclhack.sh: deleted
5785 * fixinc/hackshell.tpl: deleted
5786 * fixinc/inclhack.tpl: deleted
5787 * fixinc/Makefile.in: Remove dependencies on above
5788 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5790 2000-05-08 Andreas Jaeger <aj@suse.de>
5792 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
5795 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
5797 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
5800 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
5802 * cpplex.c: Move new lexer definitions and prototypes
5803 to top. Conditional include these and the code if
5804 NEW_LEXER is defined. Rename functions whose names
5805 clash if this code included.
5807 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
5809 * rtl.def (COND_EXEC): Clarify.
5811 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
5812 same fashion as zero_extendsidi2.
5814 2000-05-06 Richard Henderson <rth@cygnus.com>
5816 * config/ia64/ia64.c (predicate_operator): New.
5817 (ia64_print_operand): Handle 'J'.
5818 (rtx_needs_barrier): Handle COND_EXEC.
5819 * config/ia64/ia64.h (BRANCH_COST): Define.
5820 (PREDICATE_CODES): Update.
5821 * config/ia64/ia64.md: Docuement used unspec values.
5822 (attr predicable): New.
5823 (movxf, movxf_internal): New.
5824 (extendsfdf2): Don't comment out nop.
5825 (floatdidf2): Remove.
5826 (truncxfsf2, truncxfdf2, floatdixf2): New.
5827 (abssi2, absdi2): Put the neg in the "true" slot.
5828 (conditional branch instructions): Mark not predicable.
5829 (cmov*_internal): Use predicate_operator. Split to cond_exec.
5830 (abs*_internal): Likewise.
5831 (alloc, set_bsp): Mark not predicable.
5832 (barrier, insn_group_barrier, flush_cache): Likewise.
5833 (define_cond_exec): New.
5835 2000-05-06 Richard Henderson <rth@cygnus.com>
5837 * c-decl.c: Include "tm_p.h".
5839 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
5840 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
5841 (ia64_expand_op_and_fetch): Declare.
5842 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
5843 (setjmp_operand): Constify variables for XSTR.
5844 (ia64_encode_section_info): Likewise.
5845 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
5847 (ia64_asm_output_external): Constify name.
5848 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
5849 (process_for_unwind_directive): Provide switch default.
5850 (ia64_expand_compare_and_swap): Remove unused variables.
5851 (ia64_expand_builtin): Likewise.
5852 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
5855 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
5856 (symbolic_operand, function_operand, setjmp_operand): Likewise.
5857 (shift_count_operand, shift_32bit_count_operand): Likewise.
5858 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
5859 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
5860 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
5861 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
5862 (ia64_expand_builtin): Likewise.
5863 (call_multiple_values_operation): Make dest_regno unsigned.
5865 2000-05-06 Richard Henderson <rth@cygnus.com>
5867 * rtl.def (DEFINE_COND_EXEC): New.
5868 * md.texi: Document it.
5870 * gensupport.c (input_file): Remove.
5871 (struct queue_elem): Add lineno.
5872 (rtx_ready_queue): Remove.
5874 (predicable_default): New.
5875 (predicable_true, predicable_false): New.
5876 (define_attr_queue, define_attr_tail): New.
5877 (define_insn_queue, define_insn_tail): New.
5878 (define_cond_exec_queue, define_cond_exec_tail): New.
5879 (other_queue, other_tail): New.
5880 (queue_pattern): New.
5881 (process_rtx): Add patterns to the appropriate queues.
5882 (is_predicable, identify_predicable_attribute): New.
5883 (n_alternatives, collect_insn_data): New.
5884 (alter_predicate_for_insn, alter_test_for_insn): New.
5885 (shift_output_template, alter_output_for_insn): New.
5886 (process_one_cond_exec, process_define_cond_exec): New.
5887 (init_md_reader): Read the entire file. Process define_cond_exec.
5888 (read_md_rtx): Return elements from the queues.
5890 2000-05-06 Richard Henderson <rth@cygnus.com>
5892 * flow.c (mark_set_1): Don't update conditional life info
5893 if the register is not_dead.
5895 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5897 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
5898 (mostlyclean): Also delete fixincl, fixinc.sh, and
5899 specs.ready, and make clean in the fixinc subdir.
5901 2000-05-06 Richard Henderson <rth@cygnus.com>
5903 * Makefile.in (gensupport.o): Compile for the host.
5904 (host-prefix gensuuprt.o): Remove.
5905 (genflags.o): Depend on gensupport.h and OBSTACK_H.
5906 (genattrtab.o): Likewise.
5907 (gencodes.o): Depend on gensupport.h.
5908 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
5909 (genpeep.o, genattr.o, genoutput.o): Likewise.
5911 * gensupport.c (obstack, rtl_obstack): New.
5912 (init_md_reader): Initialize rtl_obstack.
5913 * gensupport.h (rtl_obstack): Declare.
5914 (message_with_line): Declare.
5916 * genattr.c: Remove all traces of obstack manipulation.
5917 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
5918 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
5920 * genattrtab.c (obstack, rtl_obstack): Remove.
5921 (main): Don't init rtl_obstack.
5922 * genflags.c: Likewise.
5924 * genrecog.c (message_with_line): Move ...
5925 * gensupport.c: ... here.
5927 2000-05-06 Richard Henderson <rth@cygnus.com>
5929 * c-typeck.c (build_c_cast): Remove dead code.
5931 2000-05-06 Richard Henderson <rth@cygnus.com>
5933 * flow.c (split_edge): Don't allocate global_live_at_start for
5934 the new block unless the old blocks had them as well.
5936 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
5938 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
5939 test_bb if a or b uses x.
5941 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
5943 * cpphash.h: Remove conditional #define of __extension__.
5944 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
5945 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
5946 (ENABLE_RTL_CHECKING only).
5947 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
5948 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
5949 (ENABLE_TREE_CHECKING only).
5950 * varray.h: Add __extension__ to VARRAY_CHECK macro
5951 (ENABLE_CHECKING only).
5953 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5955 Use new tail-calling mechanism on ARM.
5956 * arm.md (sibcall, sibcall_value): New expands.
5957 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
5958 (tailcalling peepholes): Delete.
5959 (push_multi): Simplify.
5960 * arm.c (lr_save_eliminated): Delete definition.
5961 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
5962 (output_return_instruction): Remove checks on lr_save_eliminated.
5963 (output_arm_prologue): Remove old tail-calling code.
5964 (arm_output_epilogue): New parameter, really_return. All callers
5965 changed. Handle tail-calling epilogues.
5966 * arm.h (lr_save_eliminated): Delete declaration.
5967 (frame_pointer_needed): Delete declaration.
5968 * arm-protos.h (arm_output_epilogue): Adjust prototype.
5970 * arm.md (is_thumb): Examine symbol thumb_code, not expression
5972 * arm.c (thumb_code): Define it.
5973 (arm_override_options): Set it.
5974 * arm.h (thumb_code): Declare it.
5976 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5978 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
5980 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
5982 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
5983 bogus clobber to insns.
5984 (load_multiple_operation, store_mulitple_operation): Don't check
5986 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
5988 * arm.md (and_scc, ior_scc): Add missing mode.
5990 * arm.md (call_value_symbol): Remove predicate from op2.
5992 * arm.h (SPECIAL_MODE_PREDICATES): Define.
5994 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5996 * expr.c (get_subtarget): New function.
5997 (force_operand, expand_expr, do_store_flag): Use it.
5999 * toplev.c (compile_file): Don't take strlen of NAME if null.
6001 2000-05-06 David Edelsohn <edelsohn@gnu.org>
6003 * xcoffout.c (xcoff_current_include_file,
6004 xcoff_current_function_file, xcoff_lastfile): Constify char *.
6005 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
6007 (xcoffout_declare_function): Make name 'const char *'.
6008 (xcoffout_end_epilogue): Make fname 'const char *'
6009 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
6010 xcoffout_declare_function, xcoffout_source_line): Match above.
6012 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
6014 * rs6000.c (print_operand): Fix lossage typo.
6015 (output_cbranch): Remove "cr" decoration for now.
6016 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
6018 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
6020 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
6023 2000-05-05 Bruce Korb <bkorb@gnu.org>
6025 * fixinc/genfixes: Improve the matching for make target names
6027 2000-05-05 Catherine Moore <clm@cygnus.com>
6029 * c-common.c (decl_attributes): For TYPE_DECLs attach the
6030 attribute to the decl.
6031 * c-decl.c (pushdecl): Propagate the USED attribute to the
6034 2000-05-05 Richard Henderson <rth@cygnus.com>
6036 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
6037 same way emit_group_load does.
6039 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
6041 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
6043 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
6046 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
6048 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
6050 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
6052 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
6053 to support -shared, on platforms with dynamic libraries.
6055 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
6057 * system.h (S_ISBLK): Provide fallback definition.
6059 2000-05-05 Geoff Berry <geoffb@bops.com>
6061 * extend.texi (Extended Asm): Document inability to give asm
6062 statements access to condition codes.
6064 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
6066 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
6067 as arg 2 of UNIQUE_SECTION.
6069 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
6071 * predict.c: Remove May 4 change.
6072 * bb-reorder.c (make_reorder_chain): Do not perform block movement
6073 if we have predicted the branch at 50-50 probability.
6075 2000-05-05 Richard Henderson <rth@cygnus.com>
6077 * flow.c (init_propagate_block_info): Fix merge error
6078 in HAVE_conditional_execution code.
6080 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
6082 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
6083 shift cycle for unknown shift count. Also generates dec + brpl.
6084 (ashlqi3_out): Don't generate dec + brpl which now generates by
6085 `out_shift_with_cnt'.
6086 (ashlhi3_out): Likewise.
6087 (ashlsi3_out): Likewise.
6088 (ashrqi3_out): Likewise.
6089 (ashrhi3_out): Likewise.
6090 (ashrsi3_out): Likewise.
6091 (lshrqi3_out): Likewise.
6092 (lshrhi3_out): Likewise.
6093 (lshrsi3_out): Likewise.
6095 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
6097 * gcc.c (free_split_directories): Correct typo in explanation
6098 of make_relative_prefix.
6100 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6102 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
6103 comparison codes to branch_comparison_operator.
6105 2000-05-04 Richard Henderson <rth@cygnus.com>
6107 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
6109 2000-05-04 Richard Henderson <rth@cygnus.com>
6111 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
6112 (DPBIT_FUNCS): Remove _sf_to_usi.
6113 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
6115 * ifcvt.c (noce_process_if_block): Fail if A or B modified
6116 between condition and jump.
6118 * libgcc2.c (near eh_context_specific): Comment #endif string.
6119 * longlong.h: Don't use strings with embedded newlines.
6121 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6123 * config/rs6000/rs6000-protos.h: Add output_cbranch.
6124 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
6125 (print_operand): Delete %t and %T codes.
6126 (output_cbranch): New function. Support branch prediction.
6127 * config/rs6000/rs6000.md: Use output_cbranch for
6128 conditional branches and returns.
6130 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
6132 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
6133 * stor-layout.c (place_field): Likewise.
6134 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
6135 * expr.c (store_expr): Make align unsigned.
6136 * explow.c (plus_constant_wide): Make low words unsigned.
6137 * expmed.c (choose_multiplier): Likewise.
6138 * fold-const.c (fold): Likewise.
6139 * tree.h (build_int_2): Likewise.
6140 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
6141 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
6142 (init_emit): Change cast to unsigned char*.
6143 * varasm.c (compare_constant_1): Add cast to char*.
6144 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
6145 * reload1.c (reload): Likewise.
6147 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
6149 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
6151 * predict.c (estimate_probability): If no prediction was found, then
6152 predict the successor that is the next physical block (if such a
6155 2000-05-04 Richard Henderson <rth@cygnus.com>
6157 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
6159 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6161 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
6163 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
6165 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
6166 attribute macros from here ...
6167 (CPP_SPEC): to here.
6168 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6169 (CPP_SPEC): Likewise.
6170 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
6172 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
6173 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
6175 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6177 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
6179 * diagnostic (vbuild_message_string, build_message_string,
6180 build_location_prefix, output_get_prefix, init_output_buffer,
6181 output_notice, vline_wrapper_message_with_location,
6182 v_message_with_decl, default_print_error_function): De-constify.
6183 (set_real_maximum_length): Prototype.
6185 * diagnostic.h (struct output_buffer, init_output_buffer,
6186 output_get_prefix, output_set_prefix): De-constify.
6188 * function.c (init_function_start): Constify.
6190 * gensupport.c (remove_constraints, process_rtx): Prototype.
6192 * gthr-posix.h: Indent uses of #pragma.
6194 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6197 * predict.c (find_expected_value): Delete prototype.
6198 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6200 * sbitmap.h (debug_sbitmap): Prototype.
6202 * ssa.c (compute_coalesced_reg_partition): Prototype.
6204 * stor-layout.c (debug_rli): Prototype.
6206 * tree.h (round_down): Prototype.
6207 (init_function_start): Constify.
6209 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6211 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6212 (overly conservative). Change extern inline wrappers to
6213 static inline, define them always, use PARAMS properly.
6214 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6215 whitespace warnings for \f and \v at the beginning of a line.
6217 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6219 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6222 2000-05-04 Bruce Korb <bkorb@gnu.org>
6224 * fixincl/inclhack.def: added broken_cabs -
6225 Remove `extern double cabs' declarations from math.h
6226 * fixincl/inclhack.sh: regen
6227 * fixincl/fixincl.x: regen
6228 * fixincl/fixincl.c: Remove BOGOSITY code
6229 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6231 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6233 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6235 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6236 when calling MEM_COPY_ATTRIBUTES.
6237 * emit-rtl.c (operand_subword, change_address): Likewise.
6238 * explow.c (stabilize): Likewise.
6239 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6240 * integrate.c (copy_rtx_and_substitute): Likewise.
6241 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6242 when calling MEM_COPY_ATTRIBUTES.
6243 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6245 * cse.c (gen_lowpart_if_possible): Likewise.
6246 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6247 * optabs.c (gen_move_insn): Likewise.
6248 * recog.c (validate_replace_rtx_1): Likewise.
6249 * simplify-rtx.c (add_mem_for_addr): Likewise.
6250 * stmt.c (expand_anon_union_decl): Likewise.
6251 * config/arm/arm.md: Likewise.
6252 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6253 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6254 (block_move_no_loop, block_move_sequence): Likewise.
6255 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6256 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6257 Clear MEM_ALIAS_SET.
6258 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6259 MEM_COPY_ATTRIBUTES.
6261 2000-05-03 Robert Lipe <robertlipe@usa.net>
6263 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6264 to suppress libgcc1.
6265 (i[34567]86-*-sco3.2v5*) Likewise.
6266 (i[34567]86-*-sco3.2v4*) Likewise.
6267 (i[34567]86-*-sco) Likewise.
6268 (i[34567]86-*-solaris2) Likewise.
6269 (i[34567]86-*-sysv5*) Likewise.
6270 (i[34567]86-*-sysv4*) Likewise.
6271 (i[34567]86-*-udk*) Likewise.
6272 (i[34567]86-*-sysv*) Likewise.
6274 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6276 * cpphash.h (U): New define, to correct type of string constants.
6277 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6278 routines, to do casts when passing unsigned strings to libc.
6279 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6281 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6282 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6283 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6284 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6285 second argument an U_CHAR *.
6287 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6288 length field, clean up initializer.
6289 (ISTABLE): Add __extension__ to designated-
6290 initializers version.
6291 * cpplex.c (CHARTAB): Likewise.
6293 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6294 case so the file won't be empty.
6296 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6298 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6299 (REORDER_BLOCK_SUCC): Removed.
6300 (enum reorder_skip_type): Removed.
6301 (skip_insns_between_block): Renamed to skip_insns_after_block.
6302 Removed second argument. Removed dead code and cleaned up.
6303 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6304 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6305 second parameter to skip_insns_after_block.
6307 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6309 * tree.c (staticp, case LABEL_DECL): New case.
6311 2000-05-03 Richard Henderson <rth@cygnus.com>
6313 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6315 * mklibgcc1.in: Fix typo last change.
6317 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6319 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6320 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6321 (GCC_CFLAGS): Use it.
6322 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6323 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6324 objc/Make-lang.in: Use it.
6326 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6328 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6330 2000-05-03 Richard Henderson <rth@cygnus.com>
6332 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6333 LIBGCC1 empty with libgcc1.null.
6335 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6337 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6340 2000-05-03 Greg McGary <gkm@gnu.org>
6342 * tree.h (tree_common): Add bounded_flag member. Remove
6343 inaccurate comment about number of remaining bits.
6344 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6345 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6346 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6347 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6348 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6349 (TYPE_QUAL_BOUNDED): New constant.
6350 (TYPE_QUALS): Handle bounded qualifier.
6351 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6352 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6353 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6354 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6355 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6356 (tree_type): Add pointer_depth member. Remove
6357 inaccurate comment about number of remaining bits.
6358 (DECL_POINTER_DEPTH): Add macro.
6359 (tree_decl): Add pointer_depth member.
6361 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6363 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6364 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6365 (lshrhi3_out): Likewise.
6366 (ashrsi3_out): bugfix in shift by 8.
6367 (test_hard_reg_class): New function.
6368 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6369 (ashlhi3): removed define_expand of this pattern.
6370 (*ashlhi3_insn): renamed to ashlhi3.
6371 (ashlsi3): removed define_expand of this pattern.
6372 (*ashlsi3_insn): renamed to ashlsi3.
6373 (ashrqi3): removed define_expand of this pattern.
6374 (*ashrqi3_insn): renamed to ashrqi3.
6375 (ashrhi3): removed define_expand of this pattern.
6376 (*ashrhi3_insn): renamed to ashrhi3.
6377 (ashrsi3): removed define_expand of this pattern.
6378 (*ashrsi3_insn): renamed to ashrsi3.
6379 (lshrhi3): removed define_expand of this pattern.
6380 (*lshrhi3_insn): renamed to lshrhi3.
6381 (lshrsi3): removed define_expand of this pattern.
6382 (*lshrsi3_insn): renamed to lshrsi3.
6384 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6386 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6387 inclusion of "system.h".
6389 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6391 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6394 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6396 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6397 if -mauto-pic is on.
6398 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6399 -mconstant-gp is in effect and function-descriptors are being used
6400 to make indirect calls.
6401 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6402 (MASK_AUTO_PIC): Ditto.
6403 (TARGET_CONST_GP): Ditto.
6404 (TARGET_AUTO_PIC): Ditto.
6405 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6406 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6407 -mno-pic is in effect.
6408 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6409 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6410 -mauto-pic is in effect.
6411 (gprel64_offset): New pattern.
6412 (load_gprel64): Ditto.
6413 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6414 -mconstant-gp is in effect, no need to preserve gp around direct
6416 (call_value): Ditto.
6417 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6418 (FUNCTION_PROFILER): Define.
6419 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6420 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6421 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6423 2000-05-03 Richard Henderson <rth@cygnus.com>
6425 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6426 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6427 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6428 (mklibgcc, libgcc.mk): New targets.
6429 (libgcc.a): Use libgcc.mk.
6430 (stmp-multilib): Likewise.
6431 (stmp-multilib-sub): Remove.
6432 (mostlyclean): Don't delete libgcc2 temp files.
6433 * configure.in (AC_PROG_CC_C_O): Add.
6434 (NO_MINUS_C_MINUS_O): Substitute it.
6435 (all_outputs): Add mklibgcc.
6436 * mklibgcc.in: New file.
6438 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6440 * cppexp.c (op_t): Make an int.
6442 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6444 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6446 * gensupport.c (process_rtx): Fix macros used.
6448 2000-05-03 Richard Henderson <rth@cygnus.com>
6450 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6451 call-clobbered registers of a call.
6453 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6455 * gensupport.c: New file.
6456 * gensupport.h: New file.
6457 * Makefile.in (HOST_RTL): Depend on gensupport.
6458 (gensupport.o) New rule.
6459 * genattr.c: Use gensupport for reading .md files.
6460 * genattrtab.c: Ditto.
6461 * gencodes.c: Ditto.
6462 * genconfig.c: Ditto.
6464 * genextract.c: Ditto.
6465 * genflags.c: Ditto.
6466 * genopinit.c: Ditto.
6467 * genoutput.c: Ditto.
6469 * genrecog.c: Ditto.
6470 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6471 * md.texi (Insn Splitting): Document define_insn_and_split.
6473 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6475 * flow.c (verify_flow_info): Added two more sanity checks. The
6476 first checks that the blocks are numbered consecutively. The second
6477 checks that n_basic_blocks is actually equal to the number of
6478 basic blocks in the insn chain.
6480 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6482 * cpplib.h: Add accessor macros for token lists.
6483 * cpplib.c, cpphash.c, cpplex.c: Use them.
6485 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6487 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6488 memory usage if not in a function.
6489 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6490 return address if static.
6492 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6494 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6495 whether address may trap.
6497 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6499 * bb-reorder (chain_reorder_blocks): Changed code to test for
6500 EDGE_FALLTHRU rather than making erroneous assumption that the
6501 first outgoing edge is the fall-through edge.
6503 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6505 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6506 ABI for varargs, across all MIPS. This is incompatible because the
6507 va_list (__builtin_va_list) structure is different, so a compilation
6508 unit passing a va_list and a compilation unit being passed one, should
6509 both be compiled with the same ABI. (The old structure had two
6510 pointers, now it has three.)
6512 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6514 * bb-reorder.c (struct reorder_block_def): Remove members end,
6515 block_begin, and block_end.
6516 (REORDER_BLOCK_OLD_END): Delete.
6517 (REORDER_BLOCK_BEGIN): Delete.
6518 (REORDER_BLOCK_END): Delete.
6519 (chain_reorder_blocks): Remove dead code.
6521 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6523 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6524 notes as the end of a basic block before deleting.
6526 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6528 * final.c (final_start_function): Fix spelling of "necessary".
6530 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6532 * toplev.c (debug_ignore_block): Return int.
6533 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6534 * toplev.h, dwarf2out.h: Adjust.
6535 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6537 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6538 * toplev.c, final.c, rtl.h: Adjust.
6540 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6542 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6543 * configure.in: Look for makeinfo in the unified tree, then
6544 for a system makeinfo which is sufficiently new.
6545 * Makefile.in: If configure says makeinfo is too old, don't
6546 build or install Info documentation.
6548 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6550 * cpphash.c (collect_params): Fix off-by-one error.
6551 (dump_hash_helper): Dump all four macro nodetypes.
6553 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6555 * cpphash.c (trad_stringify): Adjust p after stringification as
6558 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6560 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6561 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6563 * cppfiles.c (file_cleanup): Delete.
6564 * cpphash.c (macro_cleanup): Delete.
6565 (collect_objlike_expansion, collect_funlike_expansion,
6566 macarg, scan_arguments): Remove CPP_POP case.
6568 * cpplex.c (null_cleanup): Delete.
6569 (cpp_pop_buffer): Do the work that was done in the cleanups
6570 here. Call _cpp_unwind_if_stack from here.
6571 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6572 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6573 stack is the buffer _below_ the one we stacked.
6574 (cpp_get_token): Always pop an exhausted buffer. Return
6575 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6576 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6577 increment the line number.
6578 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6580 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6581 we see CPP_EOF and the top of stack is the buffer _below_ the
6583 * scan-decls.c: Likewise.
6585 2000-05-02 Andrew Haley <aph@cygnus.com>
6587 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6588 where this function is called for the second time on a decl that
6589 has had its section info changed in such a way as to move it out
6591 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6593 2000-05-01 Richard Henderson <rth@cygnus.com>
6595 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6596 the sequence we're moving, not to merge_bb->head.
6598 2000-05-01 Richard Henderson <rth@cygnus.com>
6600 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6601 reference to alpha/t-linux.
6602 (alpha*-*-linux-gnu*): Likewise.
6603 * configure: Rebuild.
6605 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6607 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6610 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6612 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6614 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6617 2000-05-01 Richard Henderson <rth@cygnus.com>
6619 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6620 emit_conditional_move.
6622 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6624 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6625 as the dynamic linker.
6627 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6629 * cppfiles.c (open_include_file): Open file in blocking mode.
6630 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6631 Only exclude block devices and directories.
6633 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6634 static. Allocate the hashnode and its string in the same
6636 (del_HASHNODE): Don't free h->name.
6637 (_cpp_lookup): If there is no entry for this string, create
6638 one, of type T_VOID.
6639 (_cpp_lookup_slot): Delete.
6640 * cpphash.h: Update prototypes.
6642 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6644 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6645 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6646 node here, just fill in the value field properly. "Delete"
6647 entries by setting the value field to T_VOID. Check for
6648 hp->type == T_VOID, not hp == NULL.
6650 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6651 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6654 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6656 * config/mn10300/mn10300.c (print_operand_address): Do not add
6659 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6660 adjusted by less than 256 bytes, use ret regardless of having any
6661 callee-saved register to restore.
6663 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6665 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6667 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6669 * config/i386/djgpp.h (INT_ASM_OP): Define.
6670 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6671 (ASM_WEAKEN_LABEL): Define.
6672 (MASK_BNU210): Define.
6673 (SUBTARGET_SWITCHES): Define.
6674 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6675 (MAKE_DECL_ONE_ONLY): Define.
6676 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6678 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6680 * i386/cygwin.h (INT_ASM_OP): Define.
6682 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6684 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6685 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6687 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6689 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6690 __tmp_reg__ and __zero_reg__ initialization.
6692 2000-04-30 Richard Henderson <rth@cygnus.com>
6694 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6696 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6697 referenced bewteen the condition and the jump. Don't delete
6698 anything but the jump.
6700 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6702 * bb-reorder.c (scope_def): New struct.
6703 (scope_forest_info): New struct.
6704 (struct reorder_block_def): New member "scope".
6705 (REORDER_BLOCK_SCOPE): New macro.
6706 (relate_bbs_with_scopes): New function and prototype.
6707 (make_new_scope): Likewise.
6708 (build_scope_forest): Likewise.
6709 (remove_scope_notes): Likewise.
6710 (insert_intra_1): Likewise.
6711 (insert_intra_bb_scope_notes): Likewise.
6712 (insert_inter_bb_scope_notes): Likewise.
6713 (rebuild_scope_notes): Likewise.
6714 (free_scope_forest_1): Likewise.
6715 (free_scope_forest): Likewise.
6716 (dump_scope_forest): Likewise.
6717 (dump_scope_forest_1): Likewise.
6718 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6719 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6721 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6722 and remove_scope_notes before reordering is done. Added calls to
6723 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6724 after reordering is done.
6726 2000-40-30 Bruce Korb <bkorb@gnu.org>
6728 * fixinc/inclhack.def: Added definitions needed by OSR5,
6729 removed two stale entries (defined away with OLD_CPP).
6730 * fixinc/inclhack.sh: regen
6731 * fixinc/fixincl.x: regen
6733 2000-04-30 Richard Henderson <rth@cygnus.com>
6735 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6736 from the last insn in the sequence.
6738 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6740 * cpplex.c (cpp_idcmp): New function.
6741 * cpplib.h: Prototype it.
6742 * scan_decls.c (scan_decls): Use it to inspect token names.
6743 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6744 the file being run through the preprocessor.
6745 (check_macro_names): Provide length of token to cpp_defined.
6747 * Makefile.in: Remove stale warning message.
6749 * cppfiles.c (redundant_include_p): Provide length of token to
6751 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6752 values are unsigned int.
6753 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6754 (_cpp_lookup_slot): Do not calculate the hash, either.
6755 * cpphash.h: Update prototypes.
6756 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6757 Hashes are unsigned int. Calculate hash here, pass by value
6758 to _cpp_lookup_slot.
6760 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6762 * simplify-rtx.c (check_value_useless): Delete function.
6763 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6765 (cselib_invalidate_regno): Likewise.
6766 (cselib_invalidate_mem_1): Likewise.
6767 (references_value_p): Recognize useless values by the fact that they
6769 (discard_useless_values): Likewise.
6770 (cselib_record_set): This may turn a useless value
6773 2000-04-30 Richard Henderson <rth@cygnus.com>
6775 * config/d30v: New port.
6777 * configure.in (d30v-*): Set fp format.
6778 * configure: Rebuild.
6780 2000-04-30 Richard Henderson <rth@cygnus.com>
6782 * ifcvt.c: New file.
6783 * Makefile.in (OBJS): Add it.
6784 (ifcvt.o): New target.
6785 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6786 and conditional arithmetic.
6787 (find_insert_position): Remove.
6788 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6789 * toplev.c (DFI_ce, DFI_ce2): New.
6790 (dump_file): Add ce and ce2 dumps.
6791 (rest_of_compilation): Run if_convert a couple o times. Set
6792 cse_not_expected after cse2. Don't set no_new_pseudos until
6793 after sched1 or recompute_reg_usage.
6795 2000-04-30 Richard Henderson <rth@cygnus.com>
6797 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
6798 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
6800 2000-04-30 Richard Henderson <rth@cygnus.com>
6802 * flow.c (struct reg_cond_life_info): New.
6803 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
6804 (init_propagate_block_info): Initialize them.
6805 (free_propagate_block_info): Destruct them.
6806 (mark_set_1): Consider conditional life before killing a register.
6807 (mark_regno_cond_dead): New.
6808 (free_reg_cond_life_info): New.
6809 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
6810 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
6811 (mark_used_reg): Record conditional life.
6813 * haifa-sched.c (schedule_insns): Disable death counting
6814 sanity check for HAVE_conditional_execution.
6816 2000-04-30 Richard Henderson <rth@cygnus.com>
6818 * Makefile.in (TIMEVAR_H): New.
6819 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
6820 (timevar.h): Remove rule.
6822 2000-04-29 Richard Henderson <rth@cygnus.com>
6824 * config/alpha/crtend.asm: Use C comments instead of #.
6825 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
6827 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
6829 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
6831 * cpphash.h (enum node_type: Take out T_MCONST.
6832 (union hashval): Move into struct hashnode.
6833 (struct hashnode): Pack tighter. Remove file, line, col
6835 * cpphash.c: Constify most of the macro-definition structures.
6836 (struct definition): Replace by struct object_defn
6837 and struct funct_defn. Put file, line, column information
6838 here. All users updated to match.
6839 (_cpp_create_definition, _cpp_macroexpand): Remove special
6840 case for #define WORD OTHERWORD.
6841 * cpplib.c (do_undef): Remove T_MCONST case.
6843 * cpphash.h: Move struct reflist, struct definition, and the
6844 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
6845 union hashval. _cpp_free_definition takes a HASHNODE pointer.
6846 * cpphash.c (_cpp_free_definition): Free data pointed to by
6847 MCONST, XCONST, MACRO, and FMACRO nodes properly.
6848 (_cpp_create_definition, del_HASHNODE): Just call
6849 _cpp_free_definition to clear out a hashnode.
6850 * cpplib.c (do_pragma_poison): Likewise.
6852 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6854 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
6855 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
6856 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
6857 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
6858 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
6859 REGNO_AM33_P): Redefine in terms of the new macros.
6860 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
6861 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
6862 STRUCT_VALUE): Likewise.
6863 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
6864 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
6866 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
6868 * regmove.c (struct record_stack_memrefs_data): New.
6869 (record_stack_memrefs): New function.
6870 (combine_stack_adjustments_for_block): Use it.
6872 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
6874 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
6875 use special_function_p to detect alloca.
6877 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
6879 * gcc.texi: Fixes for makeinfo 4.0 --html.
6881 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
6883 * pcp.h: Delete file.
6885 2000-04-28 Kazu Hirata <kazu@hxi.com>
6887 * h8300.c (function_epilogue): Clean up flags when the last insn
6888 in a function is a barrier.
6890 2000-04-28 Chris Demetriou <cgd@sibyte.com>
6892 * configure.in (sparc-hal-solaris2*): protect [] glob from
6894 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
6895 rather than hard-coded constants in target_cpu_default2.
6896 * configure: Regenerate.
6898 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6900 * tree.c (get_callee_fndecl): Extract the initial value from
6903 2000-04-28 Richard Henderson <rth@cygnus.com>
6905 * varasm.c (record_constant_1): Record the CODE_LABEL when
6906 taking the address of a LABEL_REF.
6908 2000-04-28 Richard Henderson <rth@cygnus.com>
6909 Jan Hubicka <jh@suse.cz>
6911 * calls.c (combine_pending_stack_adjustment_and_call): Return the
6912 adjustment; don't do the stack adjust.
6913 (expand_call): Call compute_argument_block_size right before
6914 allocating the block; update comment; don't do alignment sanity
6915 checking for sibling call; use args_size instead of
6916 unadjusted_args_size before args_size is adjusted. Use
6917 combine_pending_stack_adjustment_and_call to compute stack adjust
6918 for must_preallocate case.
6920 * expr.c (push_block): Remove shadow `temp' in inner scope.
6922 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
6924 * toplev.c (rest_of_compilation): Call
6925 note_deferral_of_defined_inline_function even if the function
6928 2000-04-28 Scott Bambrough <scottb@netwinder.org>
6930 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
6932 2000-04-28 Richard Henderson <rth@cygnus.com>
6934 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
6936 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6938 * timevar.c (init_timevar): DeANSIfy function definition.
6940 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6942 * Makefile.in (timevar.o): Depend on flags.h.
6943 * timevar.c (unused_stack_instances): New variable.
6944 (timevar_push): Take a timevar_stack_def from
6945 unused_stack_instances if available.
6946 (timevar_pop): Push the popped timevar_stack_def onto
6947 unused_stack_instances.
6948 (TIMEVAR_ENABLE): New macro.
6949 (timevar_def): Make standalone a 1-bit field. Add field used.
6950 (get_time): Rename parameter to now. Return after clearing it if
6952 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
6953 (timevar_pop): Likewise.
6954 (timevar_stop): Likewise.
6955 (timevar_push): Likewise. Mark the timing variable as used.
6956 (timevar_start): Likewise.
6957 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
6958 timevars that were never used.
6960 2000-04-27 Mark Mitchell <mark@codesourcery.com>
6962 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
6963 always TREE_READONLY.
6965 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
6967 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
6968 for call instruction with mode QImode.
6970 2000-04-27 Alex Samuel <samuel@codesourcery.com>
6972 * Makefile.in (OBJS): Add timevar.o.
6973 (toplev.o): Depend on timevar.h.
6974 (ggc-simple.o): Likewise.
6975 (ggc-page.o): Likewise.
6976 (timevar.o): New rule.
6977 (timevar.h): New rule.
6979 * timevar.h: New file.
6980 * timevar.c: Likewise.
6981 * timevar.def: Likewise.
6983 * toplev.h (gc_time, parse_time, varconst_time): Remove.
6984 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
6986 (TIMEVAR): Remove macro.
6987 (gc_time, parse_time, varconst_time, integration_time, jump_time,
6988 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
6989 flow_time, combine_time, regmove_time, sched_time,
6990 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
6991 sched2_time, dbr_sched_time, reorder_blocks_time,
6992 rename_registers_time, shorten_branch_time, stack_reg_time,
6993 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
6995 (compile_file): Don't initialize time variables. Call
6996 init_timevar and start TV_TOTAL timer. Call timevar_print instead
6997 of many calls to print_time.
6998 (rest_of_compilation): Add timing for reload_cse_regs.
6999 (get_run_time): Removed to timevar.c.
7000 (print_time): Likewise.
7001 (get_run_time): Implement using TV_TOTAL time variable.
7002 (print_time): Get total run time from get_run_time.
7003 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
7004 computing elapsed time explicitly.
7005 * ggc-simple.c (ggc_collect): Likewise.
7006 (gc_time): Remove declaration.
7008 2000-04-27 Mark Mitchell <mark@codesourcery.com>
7010 * calls.c (combine_pending_stack_adjustment_and_call): New function.
7011 (expand_call): Use it.
7013 2000-04-27 Jan Hubicka <jh@suse.cz>
7015 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
7018 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7020 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
7023 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
7025 * function.c (epilogue_done): Pass whole insn to record_insns.
7027 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
7029 * cse.c (CSE_ADDRESS_COST): Remove.
7030 (find_best_addr): Add new parameter "MODE", use address_cost instead
7032 (address_cost): New.
7033 (fold_rtx): Update call of find_best_addr.
7034 * rtl.h (address_cost): Declare.
7035 * loop.c (general_induction_var): Add new parameter "MODE", use
7036 address_cost instead of ADDRESS_COST
7037 (init_loop): Use address_cost instead of ADDRESS_COST.
7038 (check_insn_for_givs): Update call of general_induction_var.
7039 (find_mem_givs): Likewise.
7040 (consec_sets_giv): Likewise.
7041 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
7042 * i386.c (ix86_address_cost): New.
7043 * i386-protos.h (ix86_address_cost): Declare.
7045 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
7047 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
7050 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
7052 * expr.c (store_expr): Use clear_storage instead of direct memset
7055 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
7057 * config/mn10300/mn10300.c (mn10300_address_cost): Test
7058 ASHIFT, AND and LABEL_REF.
7060 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
7062 * invoke.texi (-foptimize-sibling-calls): Fix.
7064 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
7066 * loop.c (load_mems) Don't use hard registers for the hoisting.
7068 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
7069 calculation; rename const_equiv array in the preconditioning code
7070 from loop_unroll to loop_unroll_precondition
7072 2000-04-27 Richard Henderson <rth@cygnus.com>
7074 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
7076 (propagate_one_insn): Clear it. Don't update reg_live here.
7077 (init_propagate_block_info): Update for pbi member changes.
7078 (free_propagate_block_info): Likewise.
7079 (mark_set_1): Know that zero_extract, sign_extract, and
7080 strict_low_part don't kill their argument. Alter hard subregs.
7081 Update new_set for non-CLOBBER sets. Update reg_live.
7082 (find_auto_inc): Update reg_live, not new_dead.
7083 (mark_used_reg): Update reg_live, not new_live. Examine new_set
7084 to determine if the reg in question was set this insn. Only update
7085 reg info with PROP_REG_INFO.
7087 2000-04-26 Richard Henderson <rth@cygnus.com>
7089 * flow.c (allocate_reg_life_data): Set max_regno here ...
7090 (life_analysis): ... not here.
7092 * flow.c (calculate_global_regs_live): Force stack pointer
7095 2000-04-26 Richard Henderson <rth@cygnus.com>
7097 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
7098 commit change group changes.
7099 (invert_exp_1): Similarly.
7100 (redirect_exp, invert_exp): Use them.
7101 (redirect_jump_1): New.
7102 (invert_jump_1): New.
7103 (jump_optimize_1): Remove code subsumed by condexec.c.
7104 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
7106 2000-04-26 Richard Henderson <rth@cygnus.com>
7108 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
7110 * genconfig.c (main): Set all HAVE_foo to 1.
7112 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
7114 2000-04-26 Alex Samuel <samuel@codesourcery.com>
7116 * invoke.texi: Document -fssa flag.
7118 2000-04-26 Richard Henderson <rth@cygnus.com>
7120 * flow.c (count_reg_sets_1): Remove.
7121 (count_reg_sets, count_reg_references): Remove.
7122 (recompute_reg_usage): Implement with update_life_info.
7123 Reallocate life data.
7125 2000-04-26 Richard Henderson <rth@cygnus.com>
7127 * flow.c (update_life_info): Consider blocks null to mean the
7129 (calculate_global_regs_live): Likewise.
7130 (life_analysis): Do that instead of collecting all_blocks.
7132 2000-04-26 Richard Henderson <rth@cygnus.com>
7134 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
7135 a still-valid conditional jump.
7137 2000-04-26 Richard Henderson <rth@cygnus.com>
7139 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
7141 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
7142 * flow.c (calculate_loop_depth): Remove.
7143 * output.h (calculate_loop_depth): Don't declare.
7144 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
7145 inline; run estimate_probability at the same time.
7147 2000-04-26 Neil Booth <NeilB@earthling.net>
7149 * cpplib.h: "~=" is not a single pp-token.
7150 * cpplex.c: Correct commentary.
7152 2000-04-26 Richard Henderson <rth@cygnus.com>
7154 * flow.c (mark_set_1): New arguments code and flags; update all
7155 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
7156 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
7157 loop_depth when optimizing for size. Do new_dead update after
7158 emitting REG_UNUSED notes. Merge mark_set_reg code.
7159 (mark_set_reg): Remove.
7160 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
7161 arrange to not emit REG_UNUSED notes.
7163 2000-04-26 Richard Henderson <rth@cygnus.com>
7165 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
7166 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
7168 2000-04-26 Richard Henderson <rth@cygnus.com>
7170 * flow.c (propagate_one_insn): Break out from propagate_block.
7171 (init_propagate_block_info): Likewise.
7172 (free_propagate_block_info): Likewise.
7173 (propagate_block): Use them. Export.
7174 * basic-block.h: Declare them all.
7176 2000-04-26 Richard Henderson <rth@cygnus.com>
7178 * basic-block.h (life_analysis): Declare here ...
7179 * output.h: ... not here.
7180 * flow.c (life_analysis): Remove nregs parameter; replace
7181 remove_dead_code with flags. Remove ssa dead code check.
7182 Only init alias analysis if we'll use it.
7183 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7184 * ssa.c (convert_to_ssa): Likewise.
7185 (convert_from_ssa): Likewise.
7186 * toplev.c (rest_of_compilation): Likewise.
7188 2000-04-26 Richard Henderson <rth@cygnus.com>
7190 * flow.c (flow_delete_block): Rename from delete_block. Export.
7191 * basic-block.h (flow_delete_block): Declare.
7193 2000-04-26 David S. Miller <davem@redhat.com>
7195 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7196 taking a PATTERN of it.
7198 2000-04-26 <NeilB@earthling.net>
7200 * cpplex.c (spell_other, spell_char): Remove.
7202 (token_spelling, trigraph_map): Use unsigned chars.
7203 (_cpp_lex_line): Tidy up the switch statement.
7204 * cpplib.h: Implement spell_char with spell_string.
7207 2000-04-26 <RodneyBrown@pmsc.com>
7209 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7210 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7212 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7214 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7215 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7216 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7217 dwarf2out_return_save, dwarf2out_return_reg,
7218 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7219 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7220 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7222 * dwarf2out.h (dwarf2out_init): Likewise.
7224 * dwarfout.c (filename_entry, primary_filename, last_filename,
7225 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7227 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7228 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7229 dwarf2out_return_reg): Likewise.
7231 2000-04-26 Andreas Jaeger <aj@suse.de>
7233 * extend.texi (Function Attributes): Fix description of pure
7236 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7238 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7239 before calling rest_of_compilation.
7241 2000-04-26 Andreas Jaeger <aj@suse.de>
7243 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7246 2000-04-25 Richard Henderson <rth@cygnus.com>
7248 * cse.c (cse_insn): Emit barrier after unconditional jump.
7250 * calls.c (expand_call): Disable tail call generation once
7251 rtx_equal_function_value_matters is false.
7253 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7256 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7258 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7260 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7262 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7263 is the primary DIE for a member function.
7264 (gen_decl_die): Call set_decl_origin_self here.
7265 * dwarfout.c (output_decl): And here.
7266 * integrate.c (output_inline_function): Not here.
7267 Don't clear DECL_INLINE until after calling rest_of_compilation.
7268 (set_decl_origin_self): No longer static.
7269 * tree.h: Add prototype.
7270 * toplev.c (note_deferral_of_defined_inline_function): Only write
7271 out abstract instance for actual inlines.
7273 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7275 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7276 EXTENDED_REGS only if TARGET_AM33.
7277 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7278 SP_REGS to register allocation and reloading unless absolutely
7280 (movsi3): Remove special-case of adding non-constants to SP.
7282 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7284 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7285 INCLUDES to search and does not provide any of its own. Also it
7286 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7287 parameters. Also it does not call AC_DEFINE.
7288 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7289 AC_DEFINE and provides for automatic entries for autoheader.
7290 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7292 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7293 so we can pass -I flags and include gansidecl.h/system.h in this
7296 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7298 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7300 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7301 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7302 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7304 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7305 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7306 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7307 for these macros. Clean up spacing and linewraps.
7309 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7311 * calls.c (expand_call): Use get_callee_fndecl.
7313 * print-tree.c (print_node): Print the chain of an _EXPR.
7315 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7316 Jim Wilson <wilson@cygnus.com>
7317 Andrew Haley <aph@cygnus.com>
7319 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7320 and gp save/restore problems.
7321 * config/ia64/crtend.asm: Add IA-64 unwind support.
7322 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7323 in fr_pad_size calculation.
7324 (save_restore_insns): Move PR save area. Correct uses of
7325 RTX_FRAME_RELATED_P.
7326 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7327 (ia64_expand_epilogue): Add eh_epilogue support.
7328 (ia64_function_prologue): Emit .prologue directive.
7329 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7330 (ia64_override_options): Set init_machine_status and
7331 mark_machine_status.
7332 (rtx_needs_barrier): Handle bsp reads and writes.
7333 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7334 New static variables.
7335 (process_set, process_for_unwind_directive): New functions.
7336 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7337 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7338 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7340 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7341 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7342 (struct machine_function): Define.
7343 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7345 2000-04-25 Bruce Korb <bkorb@gnu.org>
7347 * fixinc/Makefile.in: make the removal of old programs more
7349 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7350 install-bin and install-sh
7352 2000-04-25 Nick Clifton <nickc@cygnus.com>
7354 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7355 defined, define to return zero.
7356 (function_cannot_inline_p): If a function has any target
7357 specific attributes, then use the macro
7358 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7359 whether it can be inlined. If it cannot, issue a suitable
7362 * tm.texi: Add a new node 'Inlining' to document the new macro
7363 FUNCTION_ATTRIBUTE_INLINABLE_P.
7365 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7367 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7370 2000-04-25 Neil Booth <NeilB@earthling.net>
7372 Restore previous patch, plus the following fixes:
7374 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7375 flags, not CPP_OPEN_PAREN.
7376 * cpplex.c (expand_token_space, init_token_list,
7377 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7378 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7380 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7382 * config/i386/freebsd.h (INT_ASM_OP): Define.
7384 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7386 * loop.c (strength_reduce): Fix typo in the last checkin.
7388 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7390 * stor-layout.c (finalize_record_size): Simplify to use existing
7392 (compute_record_mode): No longer static.
7393 * tree.h (compute_record_mode): New declaration.
7395 2000-04-25 Neil Booth <NeilB@earthling.net>
7397 * Revert my patch below until cause of build failures
7400 2000-04-25 Richard Henderson <rth@cygnus.com>
7402 * combine.c (combine_instructions): Add missing argument
7405 * toplev.c (rest_of_compilation): Delay sibcall optimization
7406 until after emit_eh_context.
7408 2000-04-24 Nick Clifton <nickc@redhat.com>
7410 * combine.c (combine_instructions): Do not try to combine a
7411 sequence of insns when the second insn has been replaced by a
7414 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7416 * gcc.c (load_specs): New static function.
7417 (read_specs): Use it.
7419 * gcc.c (lookup_compiler): Make multiple passes for case
7420 insensitive filesystems.
7422 2000-04-24 Neil Booth <NeilB@earthling.net>
7424 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7425 * cpphash.h (_cpp_check_directive): new.
7426 * cpplex.c (handle_newline, cpp_free_token_list,
7427 init_trigraph_map, trigraph_ok, trigraph_replace,
7428 backslash_start, skip_block_comment, skip_line_comment,
7429 skip_whitespace, parse_name, parse_number, parse_string,
7430 copy_comment, _cpp_lex_line, spell_char, spell_string,
7431 spell_comment, spell_name, spell_other, _cpp_lex_file,
7432 _cpp_output_list): new.
7433 (expand_name_space): take length argument.
7434 (init_token_list): add comment list initialisation.
7435 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7436 instead of HSPACE_BEFORE.
7438 * cpplib.c (_cpp_check_directive): new
7439 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7440 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7441 (HSPACE_BEFORE): delete.
7442 (TTYPE_TABLE): rearrange.
7443 (struct cpp_toklist): update.
7445 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7447 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7448 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7449 argument form of AC_DEFINE.
7451 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7452 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7453 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7454 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7455 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7457 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7459 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7461 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7462 deduced.h): Use -isystem, not -I, for including system headers.
7464 2000-04-24 Nick Clifton <nickc@cygnus.com>
7466 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7467 the source register is the frame pointer or arg pointer.
7468 (addsi3_small_int): Disallow if source register is the frame
7469 pointer or arg pointer.
7471 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7473 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7474 call to AC_MSG_RESULT.
7476 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7478 * invoke.texi: Correct grammatical errors, document
7479 -fno-gnu-keywords as identical to -fno-asm for C++.
7481 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7483 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7484 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7485 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7486 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7487 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7489 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7490 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7491 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7492 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7495 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7497 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7498 (pop_alignment): Likewise.
7499 (handle_pragma_token): Likewise.
7501 2000-04-24 Robert Lipe <robertlipe@usa.net>
7503 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7505 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7507 * combine.c (try_combine): Update reg_nonzero_bits of
7508 newi2pat before newpat.
7510 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7512 * loop.c (strength_reduce): Simplify test to INSN_P.
7513 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7514 expressions instead of CONST_INT.
7515 (express_from_1): Likewise.
7517 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7519 * regs.h (reg_n_max): Don't declare.
7520 * flow.c (reg_n_max): Don't define.
7521 * regclass.c (renumber): Don't initialize to zero.
7522 (regno_allocated): Likewise.
7523 (reg_n_max): Define.
7524 (allocate_reg_info): Don't initialize unnecessarily.
7526 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7528 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7529 and blockage_p in the newly allocated attribute.
7531 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7533 * config/mn10300/mn10300.md (addsi): `inc4' on address
7534 registers does not modify cc, but `inc' on an extended
7537 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7539 * reload.c (find_equiv_reg): Checks all valueno regs
7540 as a reload_reg_p regs.
7542 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7544 * cpphash.c (collect_objlike_expansion): Add sanity check.
7545 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7546 the buffer is the empty string, return. Mark __DATE__ and
7547 __TIME__ as XCONST nodes, not MCONST.
7548 (_cpp_macroexpand): Avoid pushing an empty buffer.
7549 (funlike_macroexpand): Don't pop token_buffer here.
7551 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7553 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7554 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7555 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7556 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7557 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7558 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7559 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7561 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7563 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7566 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7568 * cpphash.h (struct definition): Move file, line, col members...
7569 (struct hashnode): ... here. Also add 'disabled' flag.
7570 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7571 T_IDENTITY. Remove T_DISABLED.
7574 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7575 (collect_expansion): Split into collect_objlike_expansion and
7576 collect_funlike_expansion.
7577 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7578 funlike_macroexpand.
7579 (_cpp_compare_defs): Rename compare_defs, make static.
7580 (_cpp_make_hashnode): Initialize hp->disabled.
7581 (macro_cleanup): Adjust for new token types. Clear
7583 (_cpp_create_definition): Move code here to determine what
7584 sort of macro it is, and code to check for redefinitions, from
7585 do_define. Implement a few simple cases without creating a
7587 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7588 Handle the simple cases.
7589 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7592 * cppinit.c (builtin_array): Change MCONST to XCONST
7594 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7595 fix check for disabled and function-like macros.
7596 * cpplib.c (do_define): Move most logic to
7597 _cpp_create_definition.
7598 (do_undef): Handle new special token types.
7600 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7602 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7603 of CONSTANT_P for mult_val; always use validate_change to update insn.
7605 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7607 * cpphash.c (trad_stringify, add_pat): New functions.
7608 (collect_expansion): Restore support for -traditional syntax.
7609 Use trad_stringify and add_pat.
7610 (_cpp_macroexpand): Restore support for -traditional semantics.
7611 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7612 get a COMMENT token.
7613 (_cpp_lex_token): Provide COMMENT tokens to caller if
7614 traditional and parsing_define_directive.
7615 (skip_comment): Warn about // comments if -Wtraditional.
7616 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7618 (do_undef): Don't warn about undefining EMPTY nodes.
7620 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7622 * loop.c (strength_reduce): Fix biv removal code.
7624 2000-04-22 Richard Henderson <rth@cygnus.com>
7626 * predict.c (estimate_probability): Examine both sides of
7627 a branch for no exits. Use 90% not 50% for predict taken.
7628 Reorg for one copy of note generation code.
7630 2000-04-22 Richard Henderson <rth@cygnus.com>
7632 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7634 2000-04-22 Richard Henderson <rth@cygnus.com>
7636 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7637 (output_clear): Likewise.
7638 (output_printf): Use va_copy.
7639 (vline_wrapper_message_with_location): Likewise.
7640 (v_message_with_decl): Likewise.
7641 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7642 * system.h (va_copy): Provide default implementation.
7644 2000-04-22 Richard Henderson <rth@cygnus.com>
7646 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7647 the collected condition is not a constant.
7649 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7651 * diagnostic.h: New file.
7653 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7655 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7656 various function prototypes.
7657 (diagnostic.h): #include.
7658 (struct output_buffer): Move into diagnostic.h.
7659 (get_output_prefix): Rename to output_get_prefix. Export.
7660 (init_output_buffer): Export. Break out. Ajust intialization.
7661 (output_space_left, output_append): Export.
7662 (output_newline): Rename to output_add_newline. Export.
7663 (output_clear): Nullify additional output_buffer fields.
7664 (output_puts): Rename to output_add_string. Export.
7665 (dump_output): Rename to output_flush_on. Export.
7666 (build_location_prefix): Constify return-type.
7667 (emit_output_prefix): Rename to output_emit_prefix. Export.
7668 (set_real_maximum_length): New function.
7669 (output_set_maximum_length): Ditto
7670 (output_clear): Ditto.
7671 (output_add_character): Ditto.
7672 (output_add_integer): Ditto.
7673 (output_add_space): Ditto.
7674 (output_format): Ditto.
7675 (output_printf): Adjust buffer initialization.
7676 (vline_wrapper_message_with_location): Ditto.
7677 (v_message_with_decl): Ditto. Adjust call to output_puts
7678 and get_output_prefix.
7679 (default_print_error_function): Adjust buffer intialization.
7681 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7683 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7686 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7688 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7691 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7693 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7694 accurate data about SP moves.
7696 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7698 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7699 aliases to AM33 registers.
7701 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7703 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7704 to all EXTENDED bitmaps.
7706 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7708 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7709 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7710 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7712 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7714 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7715 the operand is not constant.
7717 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7719 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7720 as a call-clobbered regs.
7722 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7724 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7726 * rtl.def: Update comment.
7727 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7728 * integrate.c (expand_inline_function): Likewise.
7729 * profile.c (branch_prob): Likewise.
7730 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7731 * print-rtl.c (print_rtx): Likewise.
7732 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7733 (reemit_notes): Likewise; also use enum insn_note.
7735 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7736 (place_field): Properly compute know and actual alignment.
7738 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7741 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7744 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7746 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7747 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7748 (collect_expansion): Rewrite to scan over a token list.
7749 Remove -traditional support.
7750 (collect_formal_parameters): Rename to collect_params; rewrite
7751 to scan over a token list.
7752 (_cpp_create_definition): Adjust to scan a token list.
7753 (_cpp_macroexpand): Remove -traditional support.
7754 (_cpp_compare_defs): Whitespace is now canonicalized.
7755 (comp_def_part): Delete function.
7757 * cpphash.h: Update prototypes.
7758 * cpplex.c (init_token_list): Don't set lineno if there is no
7760 (pedantic_whitespace): New function.
7761 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7762 consume a newline. Use pedantic_whitespace.
7763 (_cpp_lex_token): Remove support for -traditional macros.
7764 (_cpp_get_define_token): Delete.
7765 (_cpp_get_directive_token): Do the real work here. Use
7766 pedantic_whitespace.
7767 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7769 * cpplib.c (get_macro_name): Delete.
7770 (do_define): Read the entire line into pfile->directbuf, then
7771 feed the token list to _cpp_create_definition.
7772 * cpplib.h (HSPACE_BEFORE): new define.
7773 (struct cpp_reader): Add a toklist member, "directbuf".
7775 * predict.c (estimate_probability): New heuristic: if a jump
7776 branches around a block with no successors, predict it taken.
7777 Disentangle control flow.
7779 2000-04-20 Richard Henderson <rth@cygnus.com>
7781 * loop.c (emit_iv_add_mult): Revert last change.
7783 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7785 * cpplib.h (enum cpp_ttype): Add token types for all
7786 punctuators. Distinguish pp-numbers from valid C numbers.
7787 Give some tokens better names. Initialize from macro.
7788 (struct cpp_name, cpp_token, cpp_toklist): New data
7791 * cpplex.c (bump_column, expand_name_space,
7792 expand_token_space, init_token_list, cpp_output_list,
7793 _cpp_scan_line): New functions.
7794 (output_line_command): Add third argument, new line number.
7795 * cpphash.h: Update prototypes.
7796 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
7799 2000-04-20 Richard Henderson <rth@cygnus.com>
7801 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
7803 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7805 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
7808 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
7810 * loop.c (emit_iv_add_mult): Simplify it's input and emit
7811 REG_EQUAL note explaining the calculated value.
7813 * calls.c (expand_call): Avoid unnecesary precalculation
7814 and outgoing parameters space guarding for sibling calls.
7815 (store_one_arg): Likewise.
7817 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7819 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
7820 (rest_of_compilation): Write sibling dump file and account
7821 for time as jump time.
7822 * invoke.texi: Update documentation on dump flags.
7824 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
7826 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
7828 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
7830 * cpphash.c (special_symbol): Represent an empty macro with
7831 "\r \r " not just "\r ".
7832 (_cpp_macroexpand): Correct condition for the foo ( ) special
7834 (unsafe_chars): Handle EOF as second argument.
7835 (push_macro_expansion): Simplify test for removing escape at
7836 end. Do not trim both escapes if there is no text in between.
7838 2000-04-19 Jim Blandy <jimb@redhat.com>
7840 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
7841 of PTR_SIZE, when appropriate.
7843 2000-04-19 Mark Mitchell <mark@codesourcery.com>
7845 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
7846 (USE_ENUM_BITFIELDS): Fix typo.
7848 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7850 * stor-layout.c (place_field): Set rli->offset_align properly.
7852 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7854 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
7855 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
7856 PARM_BOUNDARY): Remove unnecessary casts.
7858 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
7860 * calls.c (precompute_arguments): Remove must_preallocate and
7862 (expand_call): Update call of precompute_arguments.
7864 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
7865 check_insn_for_givs): Break out from ...
7866 (strength_reduce) ... here; use for_every_insn_in_loop to call
7867 check_insn_for_givs.
7868 * loop.h (for_every_insn_in_loop): Declare.
7869 (loop_insn_callback): New type.
7871 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7873 * cpplib.c (do_pragma_poison): Strings in the token buffer are
7876 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
7878 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
7881 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
7883 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
7885 * configure.in: Delete --disable-cpplib option and all
7886 references to cpp_main.
7887 * configure: Regenerate.
7888 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
7889 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
7890 cccp.o, cccp, or cppmain. Link cppmain.o straight to
7891 cpp$(exeext). Add --no-headers to makeinfo command line when
7892 generating INSTALL. Install and uninstall cpp.1 manpage, not
7894 * install.texi: Delete all references to cexp.y/cexp.c.
7895 Delete ancient instructions for compiling GCC on 3b1.
7896 * INSTALL: Regenerate.
7898 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
7899 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
7900 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
7902 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
7903 which is no longer tested anywhere.
7905 * cppinit.c (handle_option): Don't run error message through
7908 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7910 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
7911 * cpperror.c (hashtab.h): Now include.
7912 * cppexp.c (hashtab.h): Likewise.
7913 * cpplex.c (hashtab.h): Likewise.
7914 * cppfiles.c (hashtab.h): Likewise.
7915 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
7916 to htab_find_slot_with_hash.
7917 * cpphash.c (hashtab.h): Now include.
7918 (_cpp_lookup_slot): INSERT is now enum insert_option.
7919 * cpphash.h (_cpp_lookup_slot): Likewise.
7920 * cppinit.c (hashtab.h): Include earlier.
7921 (initialize_builtins): Pass enum to htab_find_slot.
7922 * cpplib.c (hashtab.h): Now include.
7923 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
7924 (do_pragma_poison, do_assert): Likewise.
7925 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
7926 htab_find_slot_with_hash.
7927 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
7928 * tree.c (type_hash_add): Likewise.
7929 (build1): Minor cleanup.
7931 * ggc-common.c: Add missing blanks.
7932 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
7933 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
7935 * stmt.c (mark_case_node): New function.
7936 (mark_case_nesting): Call it.
7938 * expmed.c (emit_store_flag): If comparing two-word integer
7939 with zero, can optimize NE, EQ, GE, and LT.
7941 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
7942 * conflict.c: Minor cleanups.
7943 * optabs.c: Add blank line
7944 * simplify-rtx.c: Minor cleanups.
7946 2000-04-18 Stan Cox <scox@cygnus.com>
7948 * gengenrtl.c (genlegend): Fix misspelling.
7950 2000-04-18 Robert Lipe <robertlipe@usa.net>
7952 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
7953 bitfields of the host compiler are not signed quantities.
7954 * config.in: Regenerate.
7955 * configure: Regenerate.
7956 * system.h (USE_ENUM_BITFIELDS): Added.
7957 (ENUM_BITFIELDS): Added.
7958 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
7959 (SHORT_ENUM_BUG): Deleted.
7960 * tree.h (tree_common): Members `code', `mode', `built_in_class',
7962 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
7963 (CODE_FIELD_BUG): Likewise.
7964 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
7966 * config/m68k/x-ccur (X_CFLAGS): Likewise.
7968 2000-04-18 Mark Mitchell <mark@codesourcery.com>
7970 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
7973 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
7975 * cppexp.c (lex): Don't assume tokens are NUL terminated.
7976 * cpplib.c (do_include, do_import, do_include_next,
7977 read_line_number, detect_if_not_defined): Likewise.
7978 * cpphash.c (collect_expansion): Likewise.
7979 (special_symbol, _cpp_macroexpand): Check return from
7981 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
7982 macros. Delete all uses.
7984 * gcc.dg/cpp-mi.c: Add two more test cases.
7985 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
7987 2000-04-17 Richard Henderson <rth@cygnus.com>
7989 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
7990 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
7992 2000-04-17 Mark Mitchell <mark@codesourcery.com>
7994 * function.c (expand_function_start): Use hard_function_value to
7995 compute the RTL to use for DECL_RESULT.
7997 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7999 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
8000 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
8001 x86_memory_mismatch_stall): New global variables.
8002 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
8003 alloved; fix load penalties for Athlon.
8004 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
8005 x86_memory_mismatch_stall): Declare.
8006 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
8007 TARGET_MEMORY_MISMATCH_STALL): New.
8008 * i386.md (athlon scheduling parameters): Fix latencies according to
8009 Athlon Optimization Manual.
8010 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
8012 (fsqrt instruction patterns): Set athlon_decode to direct.
8013 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
8014 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
8015 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
8016 and TARGET_PARTIAL_REGISTER_STALL machines.
8017 (pushdf_nointeger): New pattern.
8018 (pushdf_integer): Rename from pushdf.
8019 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
8020 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
8022 2000-04-17 Richard Henderson <rth@cygnus.com>
8024 * loop.c (canonicalize_condition): Add WANT_REG argument.
8025 Stop the search if we match it.
8026 * expr.h (canonicalize_condition): Update decl.
8027 * predict.c (expected_value_to_br_prob): Use it. Track last
8028 expected value note.
8029 (find_expected_value): Remove.
8031 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
8033 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
8035 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
8036 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
8038 * configure.in: Call AC_FUNC_MMAP_FILE.
8039 * configure: Regenerate.
8040 * config.in: Regenerate.
8042 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
8043 * fixinc/fixincl.c: Likewise.
8045 2000-04-17 Richard Henderson <rth@cygnus.com>
8047 * builtins.c (expand_builtin_expect): New.
8048 (expand_builtin): Call it.
8049 * builtins.def (BUILT_IN_EXPECT): New.
8050 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
8051 * extend.texi: Document it.
8053 * predict.c (expected_value_to_br_prob): New.
8054 (find_expected_value): New.
8055 * basic-block.h (expected_value_to_br_prob): Declare.
8056 * toplev.c (rest_of_compilation): Invoke it.
8058 * rtl.h (NOTE_EXPECTED_VALUE): New.
8059 (NOTE_INSN_EXPECTED_VALUE): New.
8060 * rtl.c (note_insn_name): Update.
8061 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
8062 cases; handle NOTE_INSN_EXPECTED_VALUE.
8064 2000-04-17 Jakub Jelinek <jakub@redhat.com>
8066 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
8067 leaf sibcall delay slot if flag_pic.
8068 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
8070 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
8074 * fixproto: If fix-header fails, exit with an error.
8076 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8078 * cse.c (struct check_depdendence_data): New.
8079 (check_dependence): New function.
8080 (invalidate): Use check_depdenence.
8082 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8084 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
8085 UNITS_PER_WORD is unsigned.
8087 * tree.h (struct tree_common): Remove misleading comment.
8089 2000-04-16 Dave Pitts <dpitts@cozx.com>
8091 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
8092 message in quotes. Otherwise, IBM's make program treats the '#' as the
8093 start of a comment and ignores the remainder of the line.
8095 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
8097 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
8098 * cexp.y (initialize_random_junk): Likewise.
8099 * cppfiles.c (find_include_file): Cast alloca return value.
8100 * cppinit.c (initialize_standard_includes): Likewise.
8101 * cpplib.c (cpp_define, cpp_undef): Likewise.
8102 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
8103 * final.c (output_asm_insn): Allow for holes in EBCDIC.
8104 * fold-const.c (CHARMASK): New.
8105 (real_hex_to_f): Use it.
8106 * real.c (CHARMASK): New.
8107 (etoasc, asctoeg): Use it.
8108 (asctoeg): EBCDIC lower case characters preceed upper case.
8110 * i370.c (mvs_add_label): Change spacing for coding conventions.
8111 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
8112 outputing case vectors.
8113 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
8114 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
8115 since vector in in the data CSECT.
8116 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
8117 * i370.md (Many patterns): Put the length in the XL directives.
8118 (movdi): Put back STM and MVC in definition.
8119 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
8120 pattern using the TCA.
8121 * oe.h (CPP_SPEC): Added to allow trigraphs.
8122 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
8123 not support the "long long" type.
8125 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8127 * config/mips/mips-protos.h (mips_legitimate_address_p): New
8129 (mips_reg_mode_ok_for_base_p): Likewise.
8130 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
8131 (REG_OK_FOR_INDEX_P): Define unconditionally.
8132 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
8133 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
8134 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
8135 that GET_MODE_SIZE is unsigned.
8136 (mips_reg_mode_ok_for_base_p): Define.
8137 (mips_legitimate_address_p): Likewise. Adjust now
8138 that GET_MODE_SIZE is unsigned.
8139 (block_move_loop): Make the number of bytes unsigned.
8140 (expand_block_move): Likewise.
8141 (function_arg): Make the loop counter unsigned to match the
8144 2000-04-16 Richard Henderson <rth@cygnus.com>
8146 * rtl.h (enum insn_note): New enumeration. Subsume
8147 NOTE_INSN_DELETED and friends.
8148 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
8149 * rtl.c (note_insn_name): Tweak string order.
8151 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
8153 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
8156 * cpplex.c (output_line_command): Remove debugging prints.
8157 (cpp_output_tokens): Don't write out a zero-length buffer or
8158 try to see if it has a newline in it.
8159 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
8160 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
8161 the end of the loop. Use memmove. Don't read past the end of
8162 the buffer. Remove trailing newlines from error messages.
8164 2004-04-16 Neil Booth <NeilB@earthling.net>
8166 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
8167 * cpplib.c: Add new syntax flags to directive table, and
8170 2000-04-15 Ulrich Drepper <drepper@redhat.com>
8172 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
8175 2000-04-15 David Edelsohn <edelsohn@gnu.org>
8177 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
8178 * haifa-sched.c: Update -fsched-verbose comments to use "=".
8180 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8182 * Makefile.in (ggc-page.o): Now includes toplev.h.
8183 * ggc-page.c (toplev.h): Now included.
8184 (gc_time): Remove declaration.
8185 (ggc_collect): TIME now long.
8186 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8188 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8190 * toplev.c: Make *_time variable long to reduce chance of overflow.
8191 (TIMEVAR): Likewise for `otime'.
8192 (print_time): Arg is now long; compute percentage in FP and round.
8193 * toplev.h (print_time): Arg is long.
8195 * tree.c: Minor whitespace changes.
8197 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8198 * configure: Rebuilt.
8199 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8200 (__fixunsxfDI): Renamed from __fixunsxfdi.
8201 (__fixunsdfDI): Renamed from __fixunsdfdi.
8202 (__fixunssfDI): Renamed from __fixunssfdi.
8203 (__floatdisf): Use proper type in REP_BIT macro.
8204 (__fixunsxfSI): Renamed from __fixunsxfsi.
8205 (__fixunsdfSI): Renamed from __fixunsdfsi.
8206 (__fixunssfSI): Renamed from __fixunssfsi.
8207 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8208 Change location of macros and upper-case some names as above.
8209 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8210 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8212 * varasm.c (assemble_variable): Add cast to remove warning.
8213 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8215 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8216 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8217 region number to -1.
8219 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8221 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8222 call unshare_all_rtl.
8224 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8226 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8228 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8229 Use .s1 not .s0 for all FP instructions.
8231 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8233 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8235 (safe_fwrite, output_line_command): New static functions.
8236 (cpp_expand_to_buffer): Now private to cpplib.
8237 (cpp_scan_buffer): Take a printer.
8239 * cpphash.h: Update prototypes.
8240 * cpplib.h: Update prototypes.
8242 (cpp_buffer): Remove last_nominal_fname.
8243 (cpp_reader): Remove lineno.
8245 * cppmain.c: Use a cpp_printer.
8246 * fix-header.c: No need to inhibit line commands. Call
8247 cpp_start_read with no printer.
8249 * cpperror.c (cpp_notice_from_errno): Provide default name.
8250 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8251 (find_include_file, cpp_read_file): Use make_IHASH.
8252 (file_cleanup): Set control_macro and clear
8253 input_stack_listing_current here.
8254 (_cpp_execute_include): Don't output entering-file marker.
8255 * cpphash.c (special_symbol): Look for the line number in the
8256 buffer, not the reader.
8257 (_cpp_macroexpand): No need to disable line commands.
8258 (_cpp_dump_definition): No need to generate line commands.
8259 (dump_hash_helper): Remove excess newline from output.
8260 * cppinit.c (dump_special_to_buffer): No need to generate line
8262 (cpp_printer_init): New.
8263 (cpp_start_read): Take a printer, and start it up if it's not
8264 NULL. No need to generate line commands.
8265 (cpp_finish): Expect no buffers stacked at all. Take a
8266 printer argument, and flush the output buffer if it's not
8268 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8269 Don't put two hashes at the beginning of an assertion.
8270 (cpp_get_token): Don't increment pfile->lineno or emit line
8271 commands here. Return EOF if there's no buffer when we get
8273 * cpplib.c (do_define, skip_if_group):
8274 No need to disable line commands.
8275 (_cpp_output_line_command): Delete function.
8276 (do_line): Don't emit line commands here, but set things up so
8277 they will be emitted if necessary. Use _cpp_fake_ihash to
8278 make unique nominal_fnames if necessary.
8279 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8280 with 0 for column, not -1.
8281 (_cpp_handle_eof): Don't set the control macro here. Don't
8282 clear input_stack_listing_current here. Don't emit line
8285 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8287 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8288 always, use the default SVR4 start address.
8290 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8291 (LINK_SHLIB_SPEC): Define.
8292 (LINK_START_DEFAULT_SPEC): Define.
8293 (LINK_OS_DEFAULT_SPEC): Define.
8295 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8297 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8298 __do_global_ctors to handle constructors.
8299 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8300 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8301 (STARTFILE_MVME_SPEC): Likewise.
8302 (STARTFILE_SIM_SPEC): Likewise.
8303 (ENDFILE_ADS_SPEC): Use crtend.
8304 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8305 (ENDFILE_MVME_SPEC): Likewise.
8306 (ENDFILE_SIM_SPEC): Likewise.
8307 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8308 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8309 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8310 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8311 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8312 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8313 (CRTSTUFF_T_CFLAGS_S): Define.
8314 * config/rs6000/eabi-ctors.c: Delete.
8316 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8319 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8323 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8325 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8326 plus mask size is smaller or equal to the mode size.
8328 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8330 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8333 * expr.c (reload.h): Now included.
8334 (emit_block_move): Set volatile_ok when checking for movstr.
8335 (emit_move_1): Check for replacements in addresses in multi-word case.
8336 * Makefile.in (expr.o): Now includes reload.h.
8338 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8339 Never have a LIBCALL end a basic block.
8340 (find_basic_blocks_1): Likewise.
8341 Reorganize CALL_INSN cases.
8343 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8345 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8347 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8348 completers from mov.ret instruction.
8350 2000-04-14 Richard Henderson <rth@cygnus.com>
8352 * fold-const.c (extract_muldiv): Don't distribute and widen
8353 multiply across plus for non-sizetype unsigned types.
8355 2000-04-14 Richard Henderson <rth@cygnus.com>
8357 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8358 If the original source is dead in the incr insn, it's dead now.
8360 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8362 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8363 see if DECL_BIT_FIELD needs to still be set.
8365 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8367 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8368 print_int_cst_octal with something that's not an INTEGER_CST.
8370 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8371 and not a SUBREG to a FLOAT rtl.
8373 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8375 * emit-rtl.c (try_split): Avoid infinite loop if the split
8376 results in a sequence that contains the original insn.
8378 2000-04-13 Andreas Jaeger <aj@suse.de>
8380 * config/mips/mips.c (expand_block_move): Pass alignment
8381 argument to move_by_pieces in bits, not bytes.
8383 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8384 __pic__ for little endian.
8386 2000-04-13 Andreas Jaeger <aj@suse.de>
8388 * config/i386/i386-protos.h: Add prototype for
8389 uno_comparison_operator.
8391 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8393 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8394 * calls.c (ECF_PURE): New flag.
8395 (emit_call_1): Handle ECF_PURE calls.
8396 (initialize_argument_information): Unset ECF_PURE flag too.
8397 (precompute_arguments): Precompute for ECF_PURE too.
8398 (expand_call): Handle ECF_PURE calls too.
8399 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8400 accept value of 2 as pure function.
8401 (emit_library_call_value, emit_library_call): Rename no_queue argument
8403 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8405 * tree.h (DECL_IS_PURE): New macro.
8406 (struct tree_decl): Add pure_flag.
8407 * c-common.c (enum attrs): Add attribute "pure".
8408 (init_attributes): Initialize attribute "pure"
8409 (decl_attributes): Handle attribute "pure".
8410 * extend.texi (Attribute "pure"): Document.
8411 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8413 (flags_from_decl_or_type): Support attribute "pure".
8415 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8417 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8418 the token except for numbers and identifiers.
8420 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8422 * i386.c (ix86_expand_binary_operator,
8423 ix86_expand_unary_operator): Check no_new_pseudos
8424 instead of reload_in_progress and reload_completed.
8425 (ix86_split_ashldi, ix86_split_ashrdi,
8426 ix86_split_lshrdi): Check no_new_pseudos instead
8427 of reload_completed.
8429 2000-04-12 Jeffrey A Law (law@cygnus.com)
8431 * function.c (purge_addressof): Unshare any shared rtl created by
8432 purge_addressof and its children.
8434 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8436 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8439 2000-04-05 Andreas Jaeger <aj@suse.de>
8441 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8442 not compiling PIC code, add flags for mabi=64.
8443 (SUBTARGET_CPP_SIZE_SPEC): New.
8444 (SUBTARGET_CPP_SPEC): New.
8445 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8446 for MIPS/Linux and lots of code needs these defines.
8448 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8450 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8451 trying the "opposite arithmetic" approach.
8453 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8455 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8456 (struct sh_args): Add new field force_mem.
8457 (INIT_CUMULATIVE_ARGS): Initialize it.
8458 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8460 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8462 * calls.c (expand_call): Do not reverse args in "equal from" field.
8463 (emit_library_call_value_1): Emit_libcall_block for const and pure
8466 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8468 * reload1.c (reload_combine): Don't enable optimization for fixed
8469 registers when encountering a BARRIER.
8471 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8473 * builtins.c (expand_builtin_memcmp): Do expansion even with
8474 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8476 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8477 stack is propertly aligned; add sanity checking for aligned
8479 (expand_library_call_value_1): Add sanity checking for aligned
8482 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8484 * calls.c (emit_library_call_value_1): Change 3rd arg to
8485 locate_and_pad_parm to disregard the setting of partial.
8487 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8489 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8491 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8492 CALL_INSN from the normal case.
8494 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8496 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8497 New global variables.
8498 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8500 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8502 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8503 TARGET_ADD_ESP_8): New macros.
8504 * i386.md: Add peep2s to convert esp adjustments to push and pop
8506 (pushsi_prologue, popsi_epilogue): New patterns.
8508 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8510 * real.c (toe64): Remove stale #endif from the last change.
8512 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8514 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8515 * real.c (toe64): Revert previous change.
8517 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8519 * objc/objc-act.c: Include ggc.h.
8520 (objc_tree_index, objc_global_trees): Convert most of the
8521 static tree variables into a static array with previous names
8523 (objc_ellipsis_node): New variable.
8524 (lang_init): Call objc_act_parse_init and c_parse_init.
8525 Create objc_ellipsis_node.
8526 (build_selector_translation_table): Use objc_ellipsis_node instead
8528 (hack_method_prototype): Likewise.
8529 (get_arg_type_list): Likewise.
8530 (start_method_def): Likewise.
8531 (continue_method_def): Likewise.
8532 (gen_method_decl): Likewise.
8533 (ggc_mark_imp_list): New function.
8534 (ggc_mark_hash_table): New function.
8535 (objc_act_parse_init): New function.
8536 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8537 * c-parse.in (c_parse_init): For objc add roots of objc specific
8538 local tree variables.
8539 * objc/objc-parse.y: Rebuilt.
8540 * objc/objc-parse.c: Rebuilt.
8541 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8543 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8545 * cse.c (delete_trivially_dead_insns): Also delete insns
8546 that copy a register to itself where the destination is
8549 2000-04-11 Richard Henderson <rth@cygnus.com>
8551 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8552 (propagate_block): Initialize them. Use them in parallel instead
8553 of one tmp variable, ie revert much of the 0408 and 0407 functional
8554 changes, but keep the structural changes.
8555 (mark_set_regs): Take new_dead from propagate_block_info instead.
8556 (mark_set_1, mark_set_reg): Likewise.
8557 (mark_used_regs): Likewise with new_live.
8558 (mark_used_reg): Likewise. Revert 0408 change.
8560 2000-04-11 Nick Clifton <nickc@cygnus.com>
8562 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8564 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8566 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8568 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8569 const section to output a CONSTRUCTOR based on the same conditions
8572 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8574 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8575 * pa/pa-protos.h (output_call): Add additional argument indicating
8576 if the call is a sibling/tail call.
8577 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8578 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8579 (function_arg, function_arg_partial_nregs): Likewise
8580 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8581 (emit_move_sequence): Zero extend certain constants as needed
8583 (compute_zdepdi_operands, output_64bit_and): New functions.
8584 (output_64bit_ior, function_arg): Likewise.
8585 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8586 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8587 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8588 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8589 (output_bvb): Likewise.
8590 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8591 (output_call): New argument 'sibcall'. Generate sibcall sequences
8593 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8594 (ouput_arg_descriptor): Do not emit argument descriptors for
8596 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8598 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8599 (FUNCTION_OK_FOR_SIBALL): Define.
8600 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8601 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8602 (CPP_SPEC): Use new spec infrastructure.
8603 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8604 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8605 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8606 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8607 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8608 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8609 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8610 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8611 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8612 (FUNCTION_ARG); Call out to C code.
8613 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8614 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8615 (MIN_UNITS_PER_WORD): Likewise.
8616 * pa/pa.md (cmpdi): New expander.
8617 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8618 (64bit conditional arithmetic): New patterns.
8619 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8620 (movsicc): Not available if modes on all the operands to not match.
8621 (movdicc): New expander and associated patterns.
8622 (64bit branches): New patterns.
8623 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8624 (pre_ldd, post_std): New patterns.
8625 (64bit addil, load low part): New patterns.
8626 (special movsf constant): Not available for TARGET_64BIT.
8627 (movsf, movdf expanders): Force constants into memory.
8628 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8629 (64bit movdf/movdi patterns): New patterns.
8630 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8632 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8633 (adddi3 expander): Allow "arith_operand" for second input.
8634 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8635 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8636 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8637 (muldi3): New expander for TARGET_64BIT.
8638 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8640 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8641 patterns for TARGET_64BIT.
8642 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8643 patterns for TARGET_64BIT.
8644 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8645 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8646 (sibcall_epilogue): New expander.
8647 (casesi): Tweak for TARGET_64BIT.
8648 (call expanders): Set & use the outgoing argument pointer. Use the
8649 64bit call patterns as needed. Add additional arg to output_call.
8650 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8651 (sibcall, sibcall_internal_symref): New expanders.
8652 (sibcall_value, sibcall_value_internal_symref
8653 (interspace_jump): Turn into an expander + matching patterns.
8654 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8655 * pa/pa64-regs.h: Eliminate trigraph sequences.
8656 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8658 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8660 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8661 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8662 cpp_token with cpp_ttype everywhere.
8663 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8664 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8665 CPP_BUF_COL. Line and column numbers are unsigned int, not
8667 * cpplex.c (cpp_buf_line_and_col): Delete.
8668 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8669 'long lineno' to 'unsigned int lineno'.
8670 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8672 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8674 * extend.texi: ISO C99 is not a draft anymore.
8675 * invoke.texi: ISO C++ is not a draft anymore.
8676 * cpp.texi: __cplusplus is required by the ISO standard.
8678 * extend.texi (-fthis-is-variable): Undocument.
8679 * flags.h (warn_template_debugging): Remove declaration.
8680 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8681 -Wenum-clash, -Wtemplate-debugging): Undocument.
8683 2000-04-10 Nick Clifton <nickc@cygnus.com>
8685 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8687 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8689 (ARM_SIGN_EXTEND): Use HOST_UINT.
8690 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8691 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8692 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8693 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8695 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8696 (arm_gen_constant): Use HOST_UINT.
8697 (arm_canonicalize_constant): Use HOST_UINT.
8698 (arm_reload_in_hi): Use HOST_UINT.
8699 (arm_reload_out_hi): Use HOST_UINT.
8700 (output_multi_immediate): Use HOST_UINT.
8701 (int_log2): Use HOST_UINT.
8702 (arm_poke_function_name): Use HOST_UINT.
8703 (arm_output_epilogue): Use arm_volatile_func().
8704 (output_thumb_prologue): Use arm_strip_name_encoding().
8706 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8708 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8709 of sequence point problems.
8711 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8713 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8715 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8717 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8719 * sbitmap.h: Whitespace changes and use upper-case macro args.
8720 (struct simple_bitmap_def): All sizes now unsigned.
8721 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8722 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8723 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8724 (sbitmap_zero): Cast bzero arg to PTR.
8725 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8726 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8727 loop to make structure clearer.
8728 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8729 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8730 (sbitmap_a_and_b_or_c): Likewise.
8731 (sbitmap_intersection_of_succs): Minor cleanups.
8732 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8733 (sbitmap_union_of_preds): Likewise.
8734 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8735 (debug_sbitmap): New function.
8737 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8738 * c-typeck.c (convert_for_assignment): Likewise.
8740 * expmed.c (init_expmed): Don't free objects we make.
8741 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8743 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8744 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8746 * gcse.c (expr_hash_table_size): Now unsigned.
8747 (compute_ae_gen): Local variable `i' now unsigned.
8748 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8749 (compute_transout, hoist_code): Likewise.
8750 (compute_local_properties): Likewise, also hash_table_size.
8751 (alloc_expr_hash_table): N_INSNS now unsigned.
8752 (delete_null_pointer_checks): Mark arg F as unused.
8754 * regrename.c: Minor cleanups, including chang some variables
8757 2000-04-10 Neil Booth <NeilB@earthling.net>
8759 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8761 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8763 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8765 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8766 __classof__, and __headof__ from the list of gnu keywords.
8767 (-ansi): Remove -foperator-names from list of implied options.
8768 Do not call it ANSI C++.
8769 (-foperator-names): Document as -fno-operator-names.
8771 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8773 * cpphash.c (timestamp): Delete.
8774 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8775 (special_symbol): Remove unnecessary braces. Remove
8776 T_VERSION. Treat T_STDC like T_CONST unless
8777 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8778 when one is encountered, then convert them into T_MCONST
8780 * cppinit.c (builtin_array): version_string is T_MCONST.
8781 __STDC__ has a "1" in its cpval. Don't have a terminator
8782 entry. Clean up which entries are dumped.
8783 (initialize_builtins): Only __STDC__ gets the special
8784 -traditional treatment. Count the length of builtin_array.
8785 Render version_string here.
8786 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8787 * cpplib.h (struct cpp_reader): Remove timebuf.
8789 2000-04-09 Richard Henderson <rth@cygnus.com>
8791 * genrecog.c (pred): Update comparison_operator for the unordered
8794 * config/i386/i386.c (no_comparison_operator): Disallow unordered
8796 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
8797 (uno_comparison_operator): New.
8798 (put_condition_code): Handle UNORDERED/ORDERED.
8799 (unsigned_comparison): Likewise.
8800 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
8801 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
8802 (ix86_expand_fp_compare): Use them. Take scratch as argument,
8803 update all callers. Handle all 8 unordered operators.
8804 (ix86_expand_setcc): Lose the unordered argument, update all callers.
8805 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
8806 * config/i386/i386.h (PREDICATE_CODES): Update.
8807 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
8808 (ix86_expand_branch, ix86_expand_setcc): Update.
8809 * config/i386/i386.md (sunordered, sordered): New.
8810 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
8811 (bunordered, bordered): New.
8812 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
8813 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
8814 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
8816 2000-04-09 Philip Blundell <philb@gnu.org>
8818 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
8820 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
8822 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
8823 fix_truncxfhi2): New patterns.
8824 * i386.c (output_fix_trunc): Handle converting to HImode.
8826 2000-04-08 Alex Samuel <samuel@codesourcery.com>
8828 * ssa.c (convert_to_ssa): Eliminate dead code when calling
8830 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
8831 (for_each_successor_phi): Change parameter to basic_block.
8832 (coalesce_regs_in_successor_phi_nodes): Likewise.
8833 (coalesce_regs_in_copies): Likewise.
8834 (compute_coalesced_reg_partition): Use basic_block instead of index.
8835 * rtl.h (convert_to_ssa): Delete.
8836 (convert_from_ssa): Likewise.
8837 (successor_phi_fn): Likewise.
8838 (for_each_successor_phi): Likewise.
8839 (in_ssa_form): Likewise.
8840 * basic-block.h (convert_to_ssa): Moved from rtl.h.
8841 (convert_from_ssa): Likewise.
8842 (successor_phi_fn): Likewise.
8843 (in_ssa_form): Likewise.
8844 (for_each_successor_phi): Likewise. Change parameter to basic_block.
8845 * flow.c (calculate_global_regs_live): Pass a basic_block to
8846 for_each_successor_phi.
8848 2000-04-08 Richard Henderson <rth@cygnus.com>
8850 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
8851 was modified in the current insn.
8853 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8855 * arm/thumb.md: Delete.
8856 * arm/thumb-protos.h: Delete.
8858 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8860 Merge changes from merged-arm-thumb-backend-branch onto trunk.
8862 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
8864 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
8867 * arm.md (nop): Use the standard RTL expression. Don't code as a
8869 (*arm_nop, *thumb_nop): Delete.
8871 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
8872 constants. Use casts instead.
8873 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
8874 output_multi_immediate, arm_poke_function_name): Likewise.
8875 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
8876 MASK_RETURN_ADDDR): Likewise.
8878 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
8880 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
8883 * arm.md (eh_epilogue): New function.
8884 * arm.h (struct machine_function): Move to here ...
8885 * arm.c: ... from here.
8886 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
8887 (thumb_exit): Extra parameter eh_ofs. All callers changed.
8888 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
8890 2000-03-30 Nick Clifton <nickc@cygnus.com>
8892 * config/arm/semi.h (ASM_SPEC): Restore definition.
8893 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8895 * config/arm/elf.h (ASM_SPEC): Restore definition.
8896 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
8898 * config/arm/arm.h (ASM_SPEC): Remove definition.
8899 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
8901 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8903 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
8905 2000-03-24 Nick Clifton <nickc@cygnus.com>
8907 Various formating tidyups, elimination of compile time
8908 warnings and synchronisation with internal sources:
8910 * config/arm/arm-protos.h (assemble_align): Add prototype.
8911 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8912 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8913 (arm_return_addr_rtx): Rename to arm_return_addr.
8915 * config/arm/arm.c: Include except.h.
8916 Define shorter typenames for strict minipool_node and struct
8918 (arm_return_in_memory): For WinCE return all structures <= 32 bits
8920 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
8921 (gen_comapre_reg): Rename to arm_gen_compare_reg.
8923 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8925 (ASM_SPEC): Define if not already defined.
8926 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
8928 * config/arm/arm.md: Rename references to gen_rotated_half_load to
8929 arm_gen_rotated_half_load, and references to gen_comapre_reg to
8930 arm_gen_compare_reg.
8931 (indirect_jump): Only accept register operands.
8932 (load_indirect_jump): Keep this pattern since combine can generate
8935 * config/arm/coff.h: Include aout.h.
8936 (MULTILIB_DEFAULTS): Only define if not already defined.
8938 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
8939 into arm.h (so that COFF ports can support thumb based aliases).
8940 (ASM_SPEC): Move definition into arm.h
8942 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
8943 redundant apcs spec.
8944 (ASM_SPEC): Move definition to arm.h
8946 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
8948 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
8949 for entries in the .bss section
8951 2000-03-23 Nick Clifton <nickc@cygnus.com>
8953 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
8954 to thumb_far_jump_used_p.
8956 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
8957 single integer parameter.
8959 * config/arm/arm.c (struct machine_function): Add two new
8960 fields, 'far_jump_used' and 'arg_pointer_live'.
8961 (thumb_far_jump_used_p): Once the decision has been made that
8962 far jumps might be used, always return true.
8963 If being called from the initial elimination offset macro then
8964 do not bother to perform the test if the arg pointer is not
8966 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
8967 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
8969 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
8971 * arm.c (output_return_instruction): Handle more cases where we can
8972 return from a function with an ldr instruction.
8973 (arm_output_epilogue): Likewise.
8975 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
8976 if we need to push a large stack frame and there are no callee-saved
8979 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
8980 in ARM code if the frame pointer has been eliminated.
8982 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
8983 unspec_volatile arguments to avoid duplicates.
8984 (consttable_1, consttable_2): Fixes for big-endian mode.
8986 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
8989 Re-write constant pool code.
8990 * arm.c (minipool_node, minipool_fix): New types.
8991 (minifix): Delete type.
8992 (arm_add_minipool_constant): Delete.
8993 (arm_compute_minipool_offsets, arm_find_barrier,
8994 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
8995 (get_jump_table_size): Now returns HOST_WIDE_INT.
8996 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
8998 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
8999 (assign_minipool_offsets, arm_print_value): Likewise.
9000 (dump_minipool): Rewrite.
9001 (arm_barrier_cost): New function.
9002 (create_fix_barrier): New function.
9003 (push_minipool_barrier): New function.
9004 (push_minipool_fix): Record additional information about the fixup
9006 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
9007 check the mode of what needs fixing.
9008 (arm_reorg): Rewrite.
9010 2000-03-08 Nick Clifton <nickc@cygnus.com>
9012 * config/arm/arm.md (indirect_jump): Force constant addresses into
9015 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
9017 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
9019 2000-02-24 Nick Clifton <nickc@cygnus.com>
9021 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
9022 adjust is word aligned.
9023 (thumb_expand_epilogue): Make sure that stack adjust is word
9026 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
9028 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
9030 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
9031 pointer relative addresses.
9033 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
9035 * arm.c (find_barrier): Find the last barrier within the allowed
9038 2000-02-09 Nick Clifton <nickc@cygnus.com>
9040 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
9042 2000-02-09 Nick Clifton <nickc@cygnus.com>
9044 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
9045 ARM_FUNCTION_PROFILER.
9047 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
9048 ARM_FUNCTION_PROFILER.
9050 * config/arm/linux-oldld.h: Imported from mainline sources.
9052 2000-02-07 Nick Clifton <nickc@cygnus.com>
9054 * config/arm/lib1funcs.asm: Merge in thumb functions from
9057 * config/arm/lib1thumb.asm: Delete.
9059 2000-02-04 Nick Clifton <nickc@cygnus.com>
9061 * config/arm/arm.c: Sychronised with current Red hat local
9063 * config/arm/arm.h: Ditto.
9064 * config/arm/arm-protos.h: Ditto.
9066 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
9068 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
9070 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
9073 2000-02-02 Nick Clifton <nickc@cygnus.com>
9075 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
9077 * config/arm/arm.md (epilogue): Fix rtl checking abort because
9078 (return) was emited using an emit_insn() call.
9080 2000-01-31 Nick Clifton <nickc@cygnus.com>
9082 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
9084 (thumb_exit): Move frame pointer back into hard frame pointer
9085 register if backtracing is being used.
9087 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
9089 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
9092 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
9094 * config/arm/arm.md (neg_pool_offset): Provide default for new
9096 (arm_movsi_insn): Add neg_pool_offset attribute.
9097 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
9098 rtx for the insn that starts the scan and an unsigned long for its
9099 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
9100 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
9101 instructions in *PINSERTED.
9102 (struct minipool_fixup): Add MIN_ADDRESS elt.
9103 (sort_fixups): Compute it.
9104 (arm_reorg): Changes to support inserting pools before the insn to be
9107 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9109 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
9110 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
9111 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
9113 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
9115 * config/arm/semi.h (TARGET_VERSION): Do not define if already
9117 (TARGET_DEFAULT): Do not define if already defined.
9119 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
9121 * config/arm/arm.md (anddi3): Allow disjoint source operands.
9122 (iordi3): Allow disjoint source operands.
9123 (xordi3): Allow disjoint source operands.
9124 (negdi2): Permit construction for ARM and Thumb.
9125 (arm_negdi2): Renamed version of old negdi2 pattern.
9126 (thumb_negdi2): New pattern: Only permit non-overlapping
9127 source and destination.
9129 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
9131 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
9132 scratch low register so that it will not be deleted.
9134 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
9136 * config/arm/pe.h (ARM_PE): Define.
9138 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
9139 interfacearm attribute if this is a PE toolchain.
9140 (output_return_instruction): Do not emit anything if the function
9141 has the naked attribute set.
9142 (is_called_in_ARM_mode): If the function has the interfacearm
9143 attribute then return true.
9144 (thumb_expand_prologue): Do not generate a prologue for naked
9146 (thumb_expand_epilogue): Do not generate an epilogie for a naked
9148 (output_thumb_prologue): Do not bother if the function is naked.
9149 Strip PE encoding from function name before emitting.
9151 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9153 * arm.md (pic_load_addr): Fix constraints.
9155 * arm.md (casesi_insn): Fix mis-applied patch.
9157 * arm.md ("core" function unit): Add rules for single- and
9159 (All TARGET_THUMB patterns): Add "type" attribute information
9161 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
9162 the following insn is a CALL.
9164 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
9166 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
9167 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
9168 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
9170 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
9172 * config/arm/linux-gas.h: oops - this file was missed out when the
9173 branch was created...
9175 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
9177 * thumb.c: Deleted. Move contents to ...
9179 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
9181 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9184 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9185 declare a prototype for asm_output_align();
9187 * arm.c (thumb_condition_code): Delete.
9188 (arm_print_operand): Always use arm_condition_code array.
9190 * arm.c (thumb_return_addr_rtx): Delete.
9191 (arm_save_machine_status, arm_restore_machine_status): Delete.
9192 (arm_init_machine_status, arm_mark_machine_status): New functions.
9193 (arm_init_expanders): Update accordingly.
9194 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9195 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9196 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9198 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9200 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9202 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9205 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9207 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9208 stack backtrace structure.
9210 * config/arm/arm-protos.h: Add prototypes for functions defined in
9213 * config/arm/arm.c (arm_override_options): Fix selection of
9214 attributes of default processor.
9216 * config/arm/coff.h: Delete needless #include.
9218 * config/arm/pe.c: Delete unused code.
9220 * config/arm/pe.h (CPP_DEFINES): Delete
9221 (SUBTARGET_CPP_SPEC): Define.
9222 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9224 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9226 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9228 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9230 (CAN_DEBUG_WITHOUT_FP): Define.
9231 (FIXED_REGISTERS): Make r11 call-saved.
9232 (CALL_USED_REGISTERS): Likewise.
9233 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9234 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9235 frame-pointer is required.
9236 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9237 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9238 if the target normally needs a stack frame in non-leaf functions.
9239 (use_return_insn): Correct logic for determining when a return
9240 instruction can be used.
9241 (output_return_instruction): Handle the frame-pointer register as
9242 a normal register when not TARGET_APCS_FRAME.
9243 (arm_output_prologue): Likewise.
9244 (arm_output_epilogue): Likewise.
9245 (output_func_epilogue): Likewise.
9246 (arm_expand_prologue): Likewise.
9247 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9249 * arm.c (use_return_insn): No need to check floating point regs if
9251 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9252 the code of value stored in the minipool array.
9253 (arm_add_minipool_constant): Likewise.
9255 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9257 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9259 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9261 * tree.c (tree_expr_nonnegative_p): New function.
9263 * tree.h (tree_expr_nonnegative_p): Declare.
9265 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9266 elide some sign_compare warnings.
9267 (build_conditional_expr): Likewise.
9269 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9271 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9273 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9274 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9275 operand. Abort if a 387 operand has an unsupported size.
9277 2000-04-08 Neil Booth <NeilB@earthling.net>
9279 * cppexp.c (parse_charconst): Null does not end character
9281 * cppinit.c (ISTABLE): Null character handled as whitespace.
9282 * cpplex.c (null_warning): new function.
9283 (skip_string): Emit warning if nulls encountered.
9284 (_cpp_skip_hspace): Emit warning if nulls encountered.
9285 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9289 2000-04-07 Richard Henderson <rth@cygnus.com>
9291 * flow.c (loop_depth): Remove.
9292 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9293 (struct propagate_block_info): New.
9294 (life_analysis): Don't allocate reg_next_use.
9295 (propagate_block_delete_insn): Break out of propagate_block.
9296 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9297 (propagate_block_delete_libcall): Likewise.
9298 (propagate_block): Create a propagate_block_info struct to pass
9299 to subroutines. Allocate one not two temporary regsets. Don't
9300 clobber memory for const calls. Look for clobbers in
9301 CALL_INSN_FUNCTION_USAGE.
9302 (mark_set_regs): Recognize COND_EXEC.
9303 (mark_set_reg): Break out of mark_set_1.
9304 (mark_used_reg): Break out of mark_used_regs.
9305 (mark_used_regs): Recognize COND_EXEC.
9306 (insn_dead_p): Use propagate_block_info struct.
9307 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9308 (find_auto_inc, try_pre_increment_1): Likewise.
9309 (print_rtl_with_bb): Dump regs live at end too.
9310 (count_reg_sets_1): Pass in loop_depth.
9311 (count_reg_sets, count_reg_references): Likewise.
9312 (recompute_reg_usage): Provide it.
9314 2000-04-07 Richard Henderson <rth@cygnus.com>
9316 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9319 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9321 * cpplib.c (do_elif): Skip the rest of the line if we're
9322 not going to bother evaluating it.
9323 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9324 to avoid pointless calls to the lexer.
9326 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9328 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9330 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9332 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9334 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9336 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9338 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9340 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9341 crtend so they can be multilibbed.
9342 (STAGESTUFF): Remove s-crt and s-crtS.
9344 2000-04-07 Richard Henderson <rth@cygnus.com>
9346 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9347 if we discover we need a pseudo and no_new_pseudos is true.
9348 * config/alpha/alpha.md (ne:DI insn): New.
9349 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9351 2000-04-07 Richard Henderson <rth@cygnus.com>
9353 * rtl.def (COND_EXEC): New.
9354 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9355 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9357 * genconfig.c (have_cond_arith_flag): Remove.
9358 (have_cond_exec_flag): New.
9359 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9360 (main): Print HAVE_conditional_execution.
9362 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9363 (sched_analyze_insn, print_pattern): Likewise.
9364 * reload.c (find_equiv_reg): Likewise.
9365 * rtlanal.c (reg_referenced_p): Likewise.
9366 (note_stores, dead_or_set_regno_p): Likewise.
9367 (reg_overlap_mentioned_p): Rewrite to use a switch.
9369 * ggc.h (struct rtx_def): Forward declare.
9371 * print-rtl.c (debug_rtx_range): New.
9372 * rtl.h (debug_rtx_range): Declare.
9374 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9376 * gcse.c (gcse_main): Don't rebuild the CFG here.
9377 (delete_null_pointer_checks): Likewise.
9378 * ssa.c (convert_to_ssa): Likewise.
9379 * toplev.c (rest_of_compilation): Do it here instead. Combine
9380 sequential calls to TIMEVAR. Consistently use `insns' instead of
9381 `get_insns()'. Always split insns after reload when optimizing.
9383 * basic-block.h (merge_blocks_nomove): Declare.
9384 (tidy_fallthru_edge): Declare.
9385 * flow.c (merge_blocks_nomove): Document as merging into previous
9386 blocks. Remove cruft from between blocks; remove all edges out of A.
9387 (tidy_fallthru_edge): Export.
9389 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9391 * ssa.c (compute_conservative_reg_partition): Declare with
9393 * toplev.c (clean_dump_file): Remove previously-deleted function
9394 inadvertantly merged back in.
9395 * conflict.c (conflict_graph_add): Use a single call to
9396 htab_find_slot to look up and insert.
9398 2000-04-06 Richard Henderson <rth@cygnus.com>
9400 * genrecog.c (*): Rename _last_insn to last_insn.
9401 (make_insn_sequence): Set the position of the peephole2 C test
9402 to be at the last insn.
9404 2000-04-06 Richard Henderson <rth@cygnus.com>
9406 * flow.c (compute_flow_dominators): Free worklist.
9408 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9410 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9412 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9414 * rtl.h (INSN_P): New macro.
9415 (successor_phi_fn): New typedef.
9416 (for_each_successor_phi): New prototype.
9417 (in_ssa_form): New variable.
9418 (PHI_NODE_P): Likewise.
9419 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9420 phi nodes in successors.
9421 (mark_used_regs): Add PHI case.
9422 (set_phi_alternative_reg): New function.
9423 (life_analysis): Assert that dead code elimination is not selected
9425 * toplev.c (to_ssa_time): New variable.
9426 (from_ssa_time): Likewise.
9427 (compile_file): Zero to_ssa_time and from_ssa_time.
9428 Print time to convert to and from SSA.
9429 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9430 (print_time): Compute percent fraction as integer.
9431 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9432 (convert_to_ssa): Check if we're already in SSA.
9433 Don't eliminate dead code in life_analysis.
9434 Rerun flow and life analysis at bottom.
9435 (eliminate_phi): Use canonical regnos when adding nodes.
9436 (mark_reg_in_phi): New function.
9437 (mark_phi_and_copy_regs): Likewise.
9438 (convert_from_ssa): Rerun life analysis at top.
9439 Use coalesced partition.
9440 Check for removing a phi node at the end of the block.
9441 (compute_coalesced_reg_partition): New function.
9442 (coalesce_regs_in_copies): Likewise.
9443 (coalesce_reg_in_phi): Likewise.
9444 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9445 (for_each_successor_phi): Likewise.
9446 (rename_context): New struct.
9447 (rename_block): Use a rename_context with rename_insn_1. When
9448 renaming sets of a subreg, emit a copy of the entire reg first.
9449 (rename_insn_1): Treat data as a rename_context *. Save current
9451 (rename_set_data): Add field set_insn.
9452 * Makefile.in (HASHTAB_H): Move up in file.
9453 (OBSTACK_H): New macro.
9454 (collect2.o): Use OBSTACK_H in dependencies.
9455 (sdbout.o): Likewise.
9456 (emit-rtl.o): Likewise.
9457 (simplify-rtx.o): Likewise.
9458 (fix-header.o): Likewise.
9459 (OBJS): Add conflict.o.
9460 (conflict.o): New rule.
9461 * basic-block.h: Include partition.h.
9462 (conflict_graph): New typedef.
9463 (conflict_graph_enum_fn): Likewise.
9464 (conflict_graph_new): New prototype.
9465 (conflict_graph_delete): Likewise.
9466 (conflict_graph_add): Likewise.
9467 (conflict_graph_conflict_p): Likewise.
9468 (conflict_graph_enum): Likewise.
9469 (conflict_graph_merge_regs): Likewise.
9470 (conflict_graph_print): Likewise.
9471 (conflict_graph_compute): Likewise.
9472 * conflict.c: New file.
9474 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9476 * tlink.c (read_repo_files): Don't look for .rpo info for
9479 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9481 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9483 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9485 * config/sh/lib1funcs.asm (___udivsi3_i4):
9486 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9487 only depends on FMOVD_WORKS.
9489 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9491 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9492 make double constant 8-byte aligned.
9494 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9496 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9497 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9498 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9499 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9500 Accept storing GENERAL_REGS into offsetable memory.
9501 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9502 building a TFmode constant other than 0.0L into GENERAL_REGS.
9504 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9506 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9508 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9510 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9511 (macro_cleanup): No need to cast pbuf->macro.
9512 (collect_expansion): Use _cpp_get_define_token. Goto done if
9513 it returns VSPACE. Remove check for trailing space after
9515 (_cpp_create_definition): Don't diddle flags here. Return
9517 (unsafe_chars): Handle c1 being EOF.
9518 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9519 checks. Don't push the buffer till after we're done with
9521 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9522 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9523 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9525 (_cpp_parse_assertion): Don't NUL terminate.
9526 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9527 hspace before calling _cpp_parse_assertion. Remove all sets
9528 of only_seen_white. Treat '\f' as hspace. Don't do anything
9529 special with '\n' here.
9530 (maybe_macroexpand): Handle T_EMPTY hash entries without
9531 pushing a buffer at all.
9532 (cpp_get_token): Handle clearing only_seen_white here. Handle
9533 incrementing the line number here. Clear
9534 potential_control_macro as well as only_seen_white, if
9536 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9537 (_cpp_get_define_token): New function, basically like
9538 _cpp_get_directive_token was but doesn't eat horizontal space.
9539 Don't do anything with only_seen_white here.
9540 (_cpp_get_directive_token): Just call _cpp_get_define_token
9541 repeatedly till it returns non-hspace.
9543 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9544 (conditional_skip, skip_if_group): Return int.
9545 (DIRECTIVE_TABLE): Change origin of all conditional directives
9547 (TRAD_DIRECT_P): New macro.
9548 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9549 an error for a bogus directive, unless -lang-asm. Use
9550 TRAD_DIRECT_P. Loop calling handler functions till one returns
9552 (get_macro_name): Don't diddle flags here.
9553 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9554 Create T_EMPTY nodes for #define macro /* nothing */.
9555 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9556 Use hp->name when calling pass_thru_directive.
9557 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9558 Return the result of conditional_skip and/or skip_if_group.
9559 Don't call _cpp_output_line_command.
9560 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9561 Issue -Wtraditional warnings as appropriate. Don't complain
9562 about unrecognized directives. If we are to stop skipping,
9563 return the number of the directive that ended the skip.
9564 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9565 expansion and line commands while skipping. Return the result
9566 of consider_directive_while_skipping, if nonzero.
9567 (do_endif): Just set potential_control_macro here.
9568 (validate_else): Use _cpp_get_directive_token.
9569 (do_assert, do_unassert): Don't save pointers into the
9570 token_buffer across calls to the lexer. Use
9571 _cpp_get_directive_token.
9573 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9574 pointer, not an offset. Replace 'data', which was a generic
9575 pointer, with 'macro', which points to a struct hashnode.
9576 (cpp_reader): Add 'potential_control_macro' pointer.
9577 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9578 (CPP_BUF_GET, CPP_FORWARD): Delete.
9579 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9580 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9581 ACTIVE_MARK_P): Update.
9582 (_cpp_get_define_token): New internal function.
9583 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9585 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9587 * configure.in: And here.
9588 * configure: Regenerate.
9589 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9590 --enable-libstdcxx-v3 is passed at configure time.
9591 * config.h.in: Regenerate.
9593 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9595 * final.c (final): Use xcalloc to allocate line_note_exists.
9596 * function.c (free_after_compilation): Free the temp_slots.
9597 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9598 (combine_temp_slot): Free temp_slots when they get combined.
9599 (purge_addressof): Fix typo in comment.
9600 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9601 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9603 * ggc.h: Include varray.h.
9604 (ggc_pending_trees): Declare.
9605 (ggc_mark_tree_children): Remove declaration.
9606 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9607 * ggc-common.c (ggc_pending_trees): New variable.
9608 (ggc_mark_roots): Call ggc_mark_trees.
9609 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9610 the ggc_pending_trees.
9611 * Makefile.in (GGC_H): New variable. Use it throughout in place
9614 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9616 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9619 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9621 * sh.c (sh_insn_length_adjustment): New function.
9622 * sh-protos.h (sh_insn_length_adjustment): Declare.
9623 * sh.h (ADJUST_INSN_LENGTH): Use it.
9625 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9627 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9628 from the insn where REG_RETVAL is added.
9629 (emit_no_conflict_block): Ditto.
9631 * md.texi (Standard Names): Clarify when movX is needed.
9633 * combine.c (simplify_comparison) [MINUS]: Do not replace
9634 all (op (minus A B) 0) with (op A B).
9636 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9637 J"orn Rennecke <amylaar@cygnus.co.uk>
9639 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9640 (block_lump_real): Likewise.
9642 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9644 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9645 remaining non-zero debugging masks.
9647 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9649 * basic-block.h (verify_flow_info): Declare.
9650 (flow_loop_outside_edge_p): Declare.
9651 * flow.c (verify_flow_info): Remove declaration.
9652 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9654 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9656 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9659 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9661 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9662 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9663 seqdi_zero_trunc+1): Allow splits only if registers are
9666 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9668 * acconfig.h: Add HAVE_GAS_HIDDEN.
9669 * config.in: Regenerated.
9670 * configure.in: Add test for .hidden pseudo-op in gas.
9671 * configure: Regenerated.
9672 * crtstuff.c: Include auto-host.h.
9673 Emit additional .hidden pseudo-op for __dso_handle if the
9674 assembler knows about it.
9676 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9678 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9679 before freeing argnames.
9680 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9682 2000-04-05 Michael Meissner <meissner@redhat.com>
9684 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9685 Walton <jonboy@gordian.com> to make memory references with update
9686 work wtih -mregnames.
9688 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9690 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9691 (regrename_optimize): Rename variables `def_uses' and
9692 `ext_basic_blocks' to avoid conflicts with similarly named
9693 typedefs in traditional C.
9695 * calls.c (initialize_argument_information): Fix typo in previous
9698 2000-04-04 Richard Henderson <rth@cygnus.com>
9700 * regrename.c (consider_available): Test fixed_regs not
9701 PIC_OFFSET_TABLE_REGNUM.
9703 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9705 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9707 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9708 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9709 (ENDFILE_LINUX_SPEC): Always use crtend.
9710 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9711 (powerpc-*-linux-gnu): Likewise.
9712 * configure: Regenerate.
9714 * config/rs6000/eabi.h: Don't include sysv4.h.
9715 (MULTILIB_DEFAULTS): Don't define.
9716 * config/rs6000/eabiaix.h: Don't include eabi.h.
9717 * config/rs6000/eabile.h: Delete.
9718 * config/rs6000/eabilesim.h: Delete.
9719 * config/rs6000/eabisim.h: Don't include eabi.h.
9720 * config/rs6000/linux.h: Don't include sysv4.h.
9721 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9722 (MULTILIB_DEFAULTS): Don't redefine.
9723 * config/rs6000/rtems.h: Don't include eabi.h.
9724 * config/rs6000/sol2.h: Don't include sysv4le.h.
9725 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9726 * config/rs6000/t-ppc: Delete.
9727 * config/rs6000/t-ppcgas: Correct comment.
9728 * config/rs6000/t-ppcos: Correct comment. Don't build
9729 multilibs for -fPIC, rather use -fPIC -mstrict-align
9731 * config/rs6000/t-ppc: Delete.
9732 * config/rs6000/vxppc.h: Don't include sysv4.h.
9733 * config/rs6000/vxppcle.h: Delete.
9734 * configure.in: Use multiple header files for p2pc ELF targets
9735 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9736 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9737 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9738 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9739 always available for these platforms.
9741 2000-04-04 Richard Henderson <rth@cygnus.com>
9743 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9745 2000-04-04 Stan Cox <scox@cygnus.com>
9747 * Makefile.in: Add rules for regrename.o
9748 * regrename.c: New file.
9749 * rtl.h (regrename_optimize): Add prototype.
9750 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9751 (compile_file, decode_d_option): Add support for -frename-registers.
9752 (rest_of_compilation): Call regrename_optimize.
9753 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9756 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9758 * Makefile (gccbug): New target.
9759 (doc): Depend on it.
9760 * gcc.texi (Bugs): Link subnodes.
9762 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9763 Document severities, priorities, and classes in bug form.
9765 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9767 * cpplex.c (trigraph_map, speccase): Combine into single
9769 (NORMAL, NONTRI): New macros.
9770 (_cpp_read_and_prescan): Change to use unified table. Use
9771 is_hspace to test for whitespace.
9773 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9774 definition that doesn't provoke the "empty body in an
9775 if-statement" warning.
9777 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9779 * builtins.c (expand_builtin_strlen): Force the source to
9780 be a memory address.
9782 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9784 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9786 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9788 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9789 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9790 (ECF_IS_CONST): Rename to ECF_CONST.
9791 (special_function_p): Make static, change interface.
9792 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9793 (expand_call) ... here; convert number of variables to flags.
9794 (emit_library_call_vlue_1): Likewise.
9795 (setjmp_call_p): New function.
9796 (initialize_argument_information): Accepts flags as argument;
9798 (precompute_arguments): Likewise.
9799 * tree.h (special_function_p): Remove.
9800 (setjmp_call_p): Add prototype.
9802 2000-04-04 Jakub Jelinek <jakub@redhat.com>
9804 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
9805 so that addresses are offsetable by up to 16 bytes.
9806 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
9807 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
9810 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
9811 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
9812 (movsf): Don't force any constant to memory if target is integer
9814 Move fp_zero_operand check below the const0_rtx check.
9815 (movtf): Likewise. Also allow fp_zero_operand for stores into
9817 (movdf): Likewise. Also allow fp_zero_operand for stores into
9818 memory and into integer hard registers.
9819 (clear_df, clear_dfp, movdf_const_intreg_sp32,
9820 movdf_const_intreg_sp64): Remove.
9821 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
9823 (movdf_no_e_insn_v9_sp32): New pattern.
9824 (movdf_insn_v9only): Remove.
9825 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
9826 (movdf_insn_sp64): Remove.
9827 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
9828 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
9829 (following splits): Rewrite conditions. Add two new splits
9830 for storing 0.0 into memory and registers.
9831 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
9832 (movtf_insn_sp32): Redo constraints and conditions.
9833 (movtf_insn_vis_sp32): New pattern.
9834 (movtf_no_e_insn_sp32): Redo constraints and conditions.
9835 (movtf_insn_hq_sp64): Likewise.
9836 (movtf_insn_hq_vis_sp64): New pattern.
9837 (movtf_insn_sp64): Redo constraints and conditions.
9838 (movtf_insn_vis_sp64): New pattern.
9839 (movtf_no_e_insn_sp64): Redo constraints and conditions.
9840 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
9842 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
9843 -mvis or -m64 to take down the number of various reload patterns.
9845 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
9847 * pa/pa-64.h: New file.
9848 * pa/pa64-regs.h: New file.
9849 * pa/pa64-start.h: New file.
9850 * pa/t-pa64: New file.
9851 * pa/xm-pa64hpux.h: New file.
9853 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9855 * sparc.c (output_restore_regs): Prototype.
9856 (sparc_emit_float_lib_cmp): Constification.
9858 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
9860 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
9863 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
9864 (get_value_hash, hash_rtx): Likewise.
9866 * ssa.c (compute_conservative_reg_partition): Prototype.
9868 * tree.c (mark_hash_entry): Prototype.
9870 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
9872 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
9873 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
9874 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
9876 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
9877 * objc/lang-specs.h: Likewise.
9879 2000-04-03 Neil Booth <NeilB@earthling.net>
9881 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
9882 and SYNTAX_ERROR2. Replace `' in messages with ''.
9883 (op_to_str): Make re-entrant.
9884 (_cpp_parse_expr): Implement new error macros. Use | rather
9885 than || to logically or 2 boolean integers. Simply expression
9886 checking we have a left operand iff needed.
9888 2000-04-03 Nick Clifton <nickc@cygnus.com>
9890 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
9892 2000-04-03 Philip Blundell <philb@gnu.org>
9894 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
9896 2000-04-03 Felix Lee <flee@cygnus.com>
9898 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
9899 (run_shell): Use it.
9901 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
9903 * Makefile.in (stmp-int-hdrs): Make include subdir here...
9904 (stmp-fixproto): ...rather than here.
9906 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
9908 * pa.c (print_operand): Compute 'base' only inside the code paths
9911 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
9913 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
9916 2000-04-03 Philipp Thomas <pthomas@suse.de>
9918 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
9920 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
9922 * Makefile.in (alias.o): Depend on $(TREE_H).
9924 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
9926 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
9928 * cpplib.c (_cpp_handle_directive): Improve warnings for
9929 traditional C and indented directives.
9931 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
9932 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
9933 fixinc/inclhack.def: Indent the # of #include_next one space.
9934 * cp/rtti.c: Un-indent #if and #endif.
9936 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
9937 syntax error, but an error has already been printed.
9938 * cpplex.c (_cpp_parse_assertion): Give a more specific error
9939 message when called with nothing remaining on the line.
9940 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
9941 OTHER token, not an ASSERTION.
9942 * cpplib.c (do_assert): When we create a 'base' node, clear
9943 its aschain pointer.
9945 2000-04-02 Neil Booth <NeilB@earthling.net>
9947 * cppexp.c: New typedef op_t. struct operation and struct
9948 token updated to use it.
9949 (op_to_str): New function.
9950 (_cpp_parse_expr): Error messages modified to use op_to_str.
9952 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9954 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
9955 before checking MUST_PASS_IN_STACK.
9957 2000-04-02 Neil Booth <NeilB@earthling.net>
9959 * cppexp.c: New FINISHED dummy token. Combine operator initial
9960 flags and initial priority into a single constant. New
9961 EQUALITY macro. New operator flag SHORT_CIRCUIT.
9962 (_parse_cpp_expr): Implement new constants. Take left operand
9963 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
9964 parse indicated by reducing FINISHED token. Remove new lines
9965 from cpp_error messages.
9967 2000-04-01 Mark Mitchell <mark@codesourcery.com>
9969 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
9972 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
9974 * cpplib.c: Include symcat.h. Add 'origin' field to struct
9975 directive. Add origin values to DIRECTIVE_TABLE. Generate
9976 the strings and function names on the fly. Take the #sccs
9977 entry out of the table if SCCS_DIRECTIVE is not defined.
9978 (_cpp_handle_directive): Decide if the # was at the beginning
9979 of the line here. Issue -pedantic warnings for extended
9980 directives here. Warn about K+R directives with the #
9981 indented, and C89/extended directives with the # not indented,
9983 (do_import, do_include_next, do_warning, do_ident, do_sccs,
9984 do_assert, do_unassert): Don't issue pedantic warning here.
9986 * cpphash.h: Add CPP_WTRADITIONAL macro.
9987 * cpplib.h (struct cpp_options): Rename warn_stringify to
9988 warn_traditional; update comments.
9989 * cppinit.c (handle_option): Set warn_traditional not
9991 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
9992 CPP_WTRADITIONAL (pfile).
9993 * cpplex.c (_cpp_lex_token): Don't decide if directives should
9994 be ignored in -traditional mode here.
9996 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
9997 to initialize speccase[] and trigraph_map[]. Delete all
9998 references to pfile->input_speccase. Always treat '?' as a
9999 special character. Remove table-initialization code from
10000 _cpp_init_input_buffer.
10002 * cpplib.h (struct cpp_reader): Remove input_speccase field.
10003 * cppinit.c (cpp_cleanup): Don't free input_speccase.
10005 2000-04-01 Richard Henderson <rth@cygnus.com>
10007 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
10008 (mostlyclean): Likewise.
10010 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
10011 (struct dump_file_info, enum dump_file_index, dump_file): New.
10012 (open_dump_file): Take a dump_file_index not a suffix, and a decl
10013 not a string. Clean out file if we havn't yet done so. Do nothing
10014 if the dump isn't enabled.
10015 (close_dump_file): Do nothing if the dump isn't open. Dump
10016 graph data if requested.
10017 (dump_rtl, clean_dump_file): Remove.
10018 (compile_file): Don't clean the dump files. Only finalize .bp dump
10019 if flag_test_coverage or flag_branch_probabilities. Only finalize
10020 .combine dump if optimizing. Iterate over dump_file to finalize the
10022 (rest_of_compilation): Update for open_dump_file/close_dump_file.
10023 Convert all uses of dump_rtl.
10024 (decode_d_option): Iterate over dump_file to implement 'a' and to
10025 locate pass-specific dumps.
10027 2000-04-01 Neil Booth <NeilB@earthling.net>
10029 * cppexp.c: Redefine priority constants.
10030 (_cpp_parse_expr): Replace left and right priority scheme with
10031 single priority logic. Move LOGICAL to same place as COMPARE.
10032 Remove bogus check for multiple unary +/- operators.
10034 2000-04-01 Neil Booth <NeilB@earthling.net>
10036 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
10037 within the switch statement. Binary operations break out of
10038 the switch naturally. '(' tokens handled by forcing
10039 immediate shift. ')' handled by forcing immediate reduce to
10040 the previous '('. New error messages.
10042 2000-03-31 Geoff Keating <geoffk@cygnus.com>
10044 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
10045 part', it's already in use. Use %K instead. Add a return at the
10046 end of what is now %K.
10047 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
10049 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
10051 * builtins.c (expand_builtin_apply): Pass proper parameters to
10052 allocate_dynamic_stack_space.
10053 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
10054 update stack_pointer_delta; do not update arg_size_so_far.
10055 (compute_argument_block_size): Use stack_delta instead of
10056 stack_pointer_pending and arg_size_so_far.
10057 (expand_call): Add sanity checking for stack_pointer_delta;
10058 save and restore stack_pointer_delta for SIB, use
10059 stack_pointer_delta for alignment; do not update arg_space_so_far.
10060 (emit_library_call_value): Use stack_pointer_delta for alignment.
10061 (store_one_arg): Do not update arg_space_so_far.
10062 * explow.c (adjust_stack, anti_adjust_stack): Update
10063 stack_pointer_delta.
10064 (allocate_dynamic_stack_space): Add sanity checking for
10065 stack_pointer_delta.
10066 * expr.c (init_expr, clear_pending_stack_adjust): Clear
10067 stack_pointer_delta.
10068 (emit_push_insn): Update stack_pointer_delta.
10069 * function.h (struct expr_status): Add x_stack_pointer_delta;
10070 remove x_arg_space_so_far.
10071 (arg_space_so_far): Remove.
10072 (stack_pointer_delta): New macro.
10074 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
10076 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
10077 Reorder struct cpp_options and struct cpp_reader for better
10078 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
10079 takes two args. Change all 'char' flags to 'unsigned char'.
10080 Move show_column flag into struct cpp_options. Don't
10081 prototype cpp_options_init.
10082 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
10083 cppinit.c, cpplex.c, cpplib.c:
10084 Replace CPP_OPTIONS (pfile)->whatever with
10085 CPP_OPTION (pfile, whatever), and likewise for
10086 opts = CPP_OPTIONS (pfile); ... opts->whatever;
10088 * cppinit.c (merge_include_chains): Take a cpp_reader *.
10089 Extract CPP_OPTION (pfile, pending) and work with that
10091 (cpp_options_init): Delete.
10092 (cpp_reader_init): Turn on on-by-default options here.
10093 Allocate the pending structure here.
10094 (cl_options, enum opt_code): Define these from the same table,
10095 kept in a large macro. Add -fshow-column and -fno-show-column
10098 * cpperror.c (v_message): If show_column is off, don't print
10101 * cppmain.c: Update for new interface.
10102 * fix-header.c: Likewise.
10104 2000-03-30 Geoff Keating <geoffk@cygnus.com>
10106 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
10108 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
10109 are passed to any invocation of AR_FOR_TARGET.
10110 (AR_CREATE_FOR_TARGET): New macro.
10111 (AR_EXTRACT_FOR_TARGET): New macro.
10112 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
10113 AR_EXTRACT_FOR_TARGET.
10114 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
10115 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
10116 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
10117 AR_EXTRACT_FOR_TARGET to sub-makes.
10119 2000-03-31 Neil Booth <NeilB@earthling.net>
10121 * cppexp.c: Delete SKIP_OPERAND. Correct priority
10123 (_cpp_parse_expr): Check for multiple unary +/- operators.
10124 Correct priorities of ':' and '?'. Treat ')' as having a
10125 value. Ensure conditional expression is not void.
10127 2000-03-31 Mark Mitchell <mark@codesourcery.com>
10129 * alias.c (canon_rtx): Make it global.
10130 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
10132 * cse.c (struct table_elt): Add canon_exp.
10133 (insert): Clear it.
10134 (invalidate): Canonicalize expressions only once.
10135 * rtl.h (canon_rtx): Declare.
10137 2000-03-30 Mark Mitchell <mark@codesourcery.com>
10139 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
10140 * alias.c (reg_known_value): Add comments.
10141 (init_alias_analysis): Likewise.
10142 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
10144 (cse_basic_block): Fix typo in comment.
10145 * emit-rtl.c: Include hashtab.h.
10146 (const_int_htab): New variable.
10147 (const_int_htab_hash): New function.
10148 (const_int_htab_eq): Likewise.
10149 (rtx_htab_mark_1): Likewise.
10150 (rtx_htab_mark): Likewise.
10151 (gen_rtx_CONST_INT): Cache all CONST_INTs.
10152 (unshare_all_rtx): Fix formatting.
10153 (init_emit_once): Initialize const_int_htab.
10154 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
10156 * rtl.texi: Document the fact that all CONST_INTs with the same
10159 2000-03-30 Richard Henderson <rth@cygnus.com>
10161 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
10163 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
10165 * configure.in: Comment out --enable-c-cpplib stanza.
10166 * configure: Regenerate.
10168 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10170 * expr.c (store_constructor): Properly compute displacement and
10171 alignment when offset is variable.
10173 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
10174 cases of alignment in bytes.
10176 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
10178 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
10179 since it is used to generate c-parse.y.
10180 * objc-parse.c, objc-parse.y: Regenerated.
10182 * function.c (expand_function_end): Pass alignment argument to
10183 emit_block_move in bits, not bytes.
10185 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10187 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10190 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10192 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10193 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10194 * function.c (assign_parms): Likewise.
10195 * integrate.c (expand_inline_function): Likewise.
10196 * stmt.c (expand_decl): Likewise.
10197 (copy_rtx_and_substitute): Likewise.
10198 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10199 (clear_by_pieces): Fix error in last change.
10200 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10201 * function.h (regno_pointer_align): Now unsigned.
10202 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10204 * config/i386/i386.c (aligned_operand): Likewise.
10205 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10206 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10207 (unaligned_memory_operand): Likewise.
10208 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10209 Also make alignments and sizes unsigned and some whitespace cleanup.
10210 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10212 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10213 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10214 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10215 (expand_builtin_memset): Likewise, but to clear_storage.
10216 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10217 (restore_fixed_argument_area): Likewise.
10218 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10219 (load_register_parameters): Likewise, to emit_group_load.
10220 (expand_call): Likewise, to emit_group_store and emit_block_move.
10221 (emit_library_call_value_1): Likewise, to emit_block_move.
10222 (store_one_arg): Likewise, and to emit_push_insn.
10223 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10224 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10225 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10226 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10227 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10228 (expand_assigment, store_expr, store_constructor_field): Likewise.
10229 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10230 (store_constructor, store_field, get_inner_reference): Likewise.
10231 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10232 (expand_expr, case COMPONENT_REF): Likewise.
10233 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10234 and positions; reindent code.
10235 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10236 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10237 (assign_parms): Likewise to emit_group_store.
10238 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10239 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10240 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10241 (expand_return): Likewise to {extract,store}_bit_field.
10242 * stor-layout.c (get_mode_alignment): Minor cleanup.
10243 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10244 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10246 2000-03-29 Nick Clifton <nickc@cygnus.com>
10248 * config/arm/arm.h: Undo effects of previous delta:
10249 (ASM_SPEC): Do not define.
10250 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10252 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10255 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10257 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10258 only after reading in the primary source file.
10260 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10262 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10263 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10264 or a reference to a va_list.
10265 * builtins.c (stabilize_va_list): Simplify now we don't have to
10266 work around C array address decay.
10267 * c-typeck.c (convert_for_assignment): Handle assignment to
10268 a reference parameter by taking the address of the RHS.
10269 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10270 (va_copy): Likewise.
10271 (__va_copy): Likewise.
10272 * ginclude/varargs.h (va_start): Likewise.
10273 (__va_copy): Likewise.
10275 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10277 * i386/djgpp.h: Remove extraneous "+".
10279 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10281 * calls.c (expand_call): Fix typo in last change.
10283 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10285 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10288 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10290 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10291 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10292 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10293 * tree.c (bit_position, byte_position): Likewise.
10294 * tree.h: Declare new functions.
10296 2000-03-29 Nick Clifton <nickc@cygnus.com>
10298 * config/arm/arm.c: Minor formatting changes/
10299 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10301 (ASM_SPEC): Define if not already defined.
10303 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10305 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10308 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10310 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10311 value, don't output it as unsigned.
10313 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10315 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10317 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10319 * c-common.c (c_common_nodes_and_builtins): Don't special case
10320 cplus_mode when declaring builtin bzero/bcmp, always avoid
10321 prototype arguments.
10323 2000-03-29 Bruce Korb <bkorb@gnu.org>
10325 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10328 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10330 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10331 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10332 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10333 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10334 (save_fixed_argument_area, restore_fixed_argument_area):
10335 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10336 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10337 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10338 (precompute_register_parameters): Avoid #ifdefs on
10339 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10340 (stire_one_args): Likewise.
10341 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10342 (emit_library_call_value_1): Likewise.
10343 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10344 ACCUMULATE_OUTGOING_ARGS.
10345 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10347 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10348 (use_crosses_set_p): Likewise.
10349 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10350 #define ACCUMULATE_OUTGOING_ARGS 1.
10351 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10353 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10355 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10356 (TARGET_SWITCHES): Add push-args, no-push-args,
10357 accumulate-outgoing-args and no-accumulate-outgoing-args.
10358 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10359 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10360 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10362 (emit_push_insn): Likewise.
10363 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10364 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10365 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10366 (STACK_DYNAMIC_OFFSET): Define correctly for both
10367 ACCUMULATE_OUTGOING_ARGS and normal mode.
10368 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10369 * tm.texi (PUSH_ARGS): Document.
10370 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10372 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10374 * flags.h (flag_optimize_sibling_calls): Declare.
10375 * calls.c (expand_call): Fail sibcall when
10376 !flag_optimize_sibling_calls
10377 * invoke.texi (flag_optimize_sibling_calls): Document.
10378 * toplev.c (flag_optimize_sibling_calls): New global variable.
10379 (f_options): Add flag_optimize_sibling_calls.
10380 (rest_of_compilation): Conditionize
10381 optimize_sibling_and_tail_recursive_calls by
10382 flag_optimize_sibling_calls.
10383 (main): Set flag_optimize_sibling_calls for -O2.
10384 * stmt.c (expand_return): Conditionize tail recursion by
10385 flag_optimize_sibling_calls.
10387 2000-03-29 Richard Henderson <rth@cygnus.com>
10389 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10390 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10392 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10394 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10396 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10398 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10400 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10401 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10402 * config/rs6000/aix.h: then modified likewise.
10404 2000-03-28 Richard Henderson <rth@cygnus.com>
10406 * rtl.h: Redistribute enum reg_note documentation.
10407 Kill trailing whitespace.
10408 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10409 Kill trailing whitespace.
10411 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10413 * cppfiles.c (hash_IHASH): Just return i->hash.
10414 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10415 htab_find_with_hash.
10416 (cpp_read_file): Likewise.
10417 (find_include_file): Likewise. Properly initialize
10418 ih->nshort. Share ih->name and ih->nshort if possible.
10419 * cpphash.c (_cpp_calc_hash): New function.
10420 (hash_HASHNODE): Just return h->hash.
10421 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10422 htab_find_with_hash.
10423 * cpphash.h: Prototype _cpp_calc_hash.
10424 * cppinit.c (initialize_builtins): Provide a valid hash
10425 to _cpp_make_hashnode, using _cpp_calc_hash.
10427 * cpphash.c (collect_expansion): # is not a special character
10428 in object-like macros. In -traditional mode, /**/ is not
10429 token paste at the beginning or end of the line.
10430 * cpplib.c (do_include, do_import, do_include_next): If
10431 parse_include fails, return immediately.
10433 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10435 * config/arm/arm.md (return peepholes): Update to reflect the new
10436 call insn patterns.
10437 * config/arm/arm.c (arm_volatile_func): Also check
10438 current_function_nothrow.
10439 (output_return_instruction, output_func_prologue): Use it.
10440 (arm_output_epilogue, arm_expand_prologue): Likewise.
10442 2000-03-27 Tom Tromey <tromey@cygnus.com>
10444 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10447 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10449 * expr.c (store_constructor): SIZE now signed.
10450 For EXPR_SIZE, don't evaluate size; just needed if constant.
10451 * fold-const.c (fold): Fix a number of cases when folded tree is
10453 * function.c (flush_addressof): Reenable.
10454 * tree.h (flush_addressof): Likewise.
10455 * toplev.c (independent_decode_option): Look at strings_processed.
10456 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10458 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10460 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10461 Allow stack adjustment after function call.
10463 * regmove.c (struct csa_memlist): Make mem field rtx *.
10464 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10465 (try_apply_stack_adjustment): Replace whole MEM rtx.
10466 (combine_stack_adjustments_for_block): Update calls
10467 to record_one_stack_ref.
10469 2000-03-28 Neil Booth <NeilB@earthling.net>
10471 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10472 '\\' rather than a null character, so nulls are not special. Fix
10473 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10474 speed trigraph conversion.
10475 (_cpp_init_input_buffer): Initialize trigraph map.
10477 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10479 * config/i386/i386.c (output_387_binary_op): Correct intel
10480 mode assembly output, and add spaces after commas in AT&T
10481 output. Correct Unixware assembler comment. Document input
10482 constraints. Comment fp operations. Reduce profligate buffer
10483 size. Remove extraneous abort. Localize temp var.
10484 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10485 (output_fix_trunc): Add spaces after commas in assembly output.
10487 2000-03-27 Richard Henderson <rth@cygnus.com>
10489 * i386-protos.h (ix86_match_ccmode): Declare.
10490 * i386.c (ix86_match_ccmode): New.
10491 (ix86_expand_fp_compare): Update for pattern renames.
10492 (ix86_expand_strlensi_unroll_1): Likewise.
10493 * i386.h (EXTRA_CC_MODES): Add CCZ.
10494 (SELECT_CC_MODE): Use it for EQ/NE zero.
10495 * i386.md (cmpsi_ccz_1): New.
10496 (cmpqi_ccz_1): New.
10497 (*testsi_ccz_1): New.
10498 (testqi_ccz_1): New.
10499 (cmpsi_ccno_1): Rename from cmpsi_0.
10500 (testsi_ccno_1): Rename from testsi_1.
10501 (testqi_ccno_1): Rename from testqi_1.
10502 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10503 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10504 (*cmphi_0): Use ix86_match_ccmode.
10505 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10506 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10507 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10508 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10509 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10510 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10511 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10512 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10513 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10514 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10515 (appropriate peepholes): Likewise.
10516 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10517 (*subsi_3, *subhi_3, *subqi_3): Remove.
10518 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10519 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10520 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10521 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10522 (x86_shift_adj_1): Use CCZ.
10523 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10525 2000-03-27 Stan Cox <scox@cygnus.com>
10527 * resource.h (mark_resource_type): New.
10528 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10529 find_free_register): Use mark_resource_type.
10530 (mark_set_resources): Change include_delayed_effects
10531 to mark_resource_type.
10532 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10533 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10534 Use mark_resource_type.
10536 2000-03-27 Richard Henderson <rth@cygnus.com>
10538 * i386.md (call_pop_0, call_value_pop_0): New.
10539 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10540 (call_value_pop_1): Likewise.
10541 (call_0, call_value_0): New.
10542 (call_1, call_value_1): Remove constraint from unused arg.
10544 2000-03-27 Nick Clifton <nickc@cygnus.com>
10546 * invoke.texi (Spec Files): Document new spec % command created by
10547 Tom Tromey's recent patch.
10549 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10551 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10554 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10556 * expr.c (expand_assignment): Fix typo in last change.
10558 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10560 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10562 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10563 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10564 and DECL_INLINE if FUNCTION_DECL.
10565 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10566 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10567 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10568 (combine_parm_decls): Likewise.
10569 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10570 * print-tree.c (print_node): Likewise.
10571 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10572 DECL_TRANSPARENT_UNION on proper decl types.
10573 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10574 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10575 DECL_BIT_FIELD of FIELD_DECL.
10576 * tree.h (DECL_RESULT_FLD): New macro.
10578 * expr.c (expand_assignment): Add code to handle variable-sized
10581 2000-03-26 Richard Henderson <rth@cygnus.com>
10583 * calls.c (expand_call): Pass parms not original exp to
10584 optimize_tail_recursion. Mind return value instead of looking
10586 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10587 call_expr. Move checks for call_expr and current_function_decl ...
10588 (expand_return): ... here.
10590 2000-03-26 Tom Tromey <tromey@cygnus.com>
10592 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10593 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10595 (process_command): Use them.
10596 (check_live_switch): Likewise.
10597 (give_switch): Skip ignored switches.
10599 2000-03-26 Jan Hubicka <jh@suse.cz>
10601 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10602 for minimal jump pass test.
10604 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10606 * integrate.c (function_cannot_inline_p): Do inline functions that
10609 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10611 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10612 now a list of TREE_LIST entries, not types.
10613 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10615 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10616 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10618 * config/mips/mips.c (function_arg): Likewise; also remove cast
10619 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10620 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10621 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10622 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10623 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10624 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10625 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10626 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10627 num_adjusts now unsigned.
10628 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10629 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10630 NREGS now unsigned.
10631 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10632 as is BITPOS variable; use host_integerp and int_bit_position.
10633 (function_arg_record_value_2): Likewise.
10634 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10635 Variable REGNO now unsigned.
10636 (function_arg_record_value): NREGS now unsigned.
10638 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10640 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10642 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10644 * Rework fields used to describe positions of bitfields and
10645 modify sizes to be unsigned and use HOST_WIDE_INT.
10646 * alias.c (reg_known_value_size): Now unsigned.
10647 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10648 (really_start_incremental_init): Use bitsize_zero_node.
10649 (push_init_level, pop_init_level, output_init_element): Likewise.
10650 Use bitsize_unit_node and bitsize_one_node.
10651 (output_pending_init_elements, process_init_element): Likewise.
10652 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10653 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10654 HOST_WIDE_INT, respectively.
10655 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10656 (num_sign_bit_copies): Returns unsigned.
10657 BITWIDTH now unsigned; rework arithmetic.
10658 Remove recursive call from arg to MAX.
10659 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10660 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10661 REGNO now unsigned.
10662 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10663 (find_split_point, expand_compound_operation, make_extraction): LEN
10664 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10665 (make_field_assignment): Likewise.
10666 (combine_simplify_rtx): Add cast.
10667 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10668 (force_to_mode): WIDTH now unsigned; add cast.
10669 (if_then_else_cond): SIZE now unsigned.
10670 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10671 (extended_count): Now returns unsigned.
10672 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10673 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10674 (simplify_comparison): MODE_WIDTH now unsigned.
10675 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10676 (mark_used_regs_combine): Likewise; rework arithmetic.
10677 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10678 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10679 (record_promoted_value): REGNO now unsigned.
10680 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10681 (get_last_value): REGNO now unsigned.
10682 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10683 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10684 (remove_death): Arg REGNO now unsigned.
10685 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10686 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10688 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10689 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10690 (struct cse_reg_info): REGNO now unsigned.
10691 (cached_regno): Now unsigned.
10692 (REGNO_QTY_VALID_P): Add cast.
10693 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10694 (remove_invalid_regs): Likewise.
10695 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10696 as are variables END and I.
10697 (get_cse_reg_info, insert): Likewise.
10698 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10699 (canon_hash): Likewise.
10700 (insert_regs, lookup_for_remove): REGNO now unsigned.
10701 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10703 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10704 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10705 * emit-rtl.c (subreg_realpart_p): Add cast.
10706 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10707 (operand_subword_force): Arg I is now unsigned.
10708 * except.c (eh_regs): Variable I is now unsigned.
10709 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10710 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10711 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10712 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10713 (extract_split_bit_field, store_bit_field, extract_bit_field):
10715 * expr.c (store_constructor_fields, store_constructor, store_field):
10716 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10717 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10718 (do_jump): Likewise.
10719 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10720 MAX_SIZE is now unsigned.
10721 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10722 (emit_group_store): Likewise.
10723 (emit_move_insn): I now unsigned.
10724 (store_constructor): Use host_integerp, tree_low_cst, and
10726 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10727 Rework all calculations to use trees and new fields.
10728 * expr.h (promoted_input_arg): Regno now unsigned.
10729 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10730 (mark_seen_cases): Arg is HOST_WIDE_INT.
10731 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10732 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10733 precisions and alignments are unsigned.
10734 (optimize_bit_field_compare, fold_truthop): Likewise.
10735 (int_const_binop): Adjust threshold for size_int_type_wide call.
10736 (fold_convert): Likewise.
10737 (size_int_type_wide): Make table larger and fix thinko that only
10738 had half of table used.
10739 (all_ones_mask_p, fold): Precisions are unsigned.
10740 * function.c (put_reg_info_stack): REGNO is unsigned.
10741 (instantiate_decl): Size is HOST_WIDE_INT.
10742 (instantiate_virtual_regs): I is unsigned.
10743 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10744 (promoted_input_arg): REGNO is unsigned.
10745 * function.h (struct function): x_max_parm_reg is now unsigned.
10746 * gcse.c (max_gcse_regno): Now unsigned.
10747 (struct null_pointer_info): min_reg and max_reg now unsigned.
10748 (lookup_set, next_set): REGNO arg now unsigned.
10749 (compute_hash_table): REGNO and I now unsigned.
10750 (handle_avail_expr): regnum_for_replacing now unsigned.
10751 (cprop_insn): REGNO now unsigned.
10752 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10753 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10754 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10755 * hard-reg-set.h (reg_class_size): Now unsigned.
10756 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10757 * jump.c (mark_modified_reg): I now unsigned; add cast.
10758 (rtx_equal_for_thread_p): Add cast.
10759 * loop.c (max_reg_before_loop): Now unsigned.
10760 (struct_movable): REGNO now unsigned.
10761 (try_copy_prop): REGNO arg unsigned.
10762 (regs_match_p): XN and YN now unsigned.
10763 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10764 (strength_reduce): Likewise; NREGS also unsigned.
10765 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10766 * loop.h (struct iv_class): REGNO now unsigned.
10767 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10769 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10770 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10771 * optabs.c (expand_binop): I and NWORDS now unsigned.
10772 (expand_unop): I now unsigned.
10773 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10774 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10775 * real.c (significand_size): Now returns unsigned.
10776 * real.h (significand_size): Likewise.
10777 * regclass.c (reg_class_size): Now unsigned.
10778 (choose_hard_reg_mode): Both operands now unsigned.
10779 (record_reg_classes): REGNO and NR now unsigned.
10780 (reg_scan): NREGS now unsigned.
10781 (reg_scan_update): old_max_regno now unsigned.
10782 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10783 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10784 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10785 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10786 Likewise for variable R.
10787 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10788 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10789 (find_equiv_reg): Add casts.
10790 (regno_clobbered_p): Arg REGNO now unsigned.
10791 * reload.h (struct reload): NREGS now unsigned.
10792 (refers_to_regno_for_reload_p): Regno args are unsigned.
10793 (regno_clobbered_p): Likewise.
10794 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
10795 (compute_use_by_pseudos): REGNO now unsigned.
10796 (find_reg): I and J now unsigned, new variable K, and change loop
10797 variables accordingly; THIS_NREGS now unsigned.
10798 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
10799 (spill_hard_reg): REGNO arg now unsigned; add casts.
10800 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
10801 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
10802 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
10803 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
10804 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
10805 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
10806 (emit_reload_insns): REGNO now unsigned.
10807 (reload_cse_move2add): Add cast.
10808 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
10810 * resource.c (mark_referenced_resources, mark_set_resources): New
10811 variable R; REGNO and LAST_REGNO now unsigned.
10812 (mark_target_live_regs): J and REGNO now unsigned.
10813 * rtl.c (mode_size, mode_unit_size): Now unsigned.
10814 * rtl.h (union rtunion_def): New field rtuint.
10815 (XCUINT): New macro.
10816 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
10817 (operand_subword, operand_subword_force): Word number is unsigned.
10818 (choose_hard_reg_mode): Operands are unsigned.
10819 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
10820 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
10821 (regno_use_in, combine_instructions, remove_death): Likewise.
10822 (reg_scan, reg_scan_update): Likewise.
10823 (extended_count): Return is unsigned.
10824 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
10825 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
10826 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
10827 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
10828 (reg_reg_last_1): FIRS and LAST now unsigned.
10829 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
10830 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
10832 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
10833 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
10834 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
10835 (replace_regs): Arg NREGS now unsigned.
10836 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
10837 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
10838 (simplify_binary_operation): Likewise.
10839 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
10840 THIS_LAST now unsigned.
10841 (cselib_record_set): Add cast.
10842 * ssa.c (ssa_max_reg_num): Now unsigned.
10843 (rename_block): REGNO now unsigned.
10844 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
10845 sizes now unsigned.
10846 (all_cases_count): Just return -1 not -2.
10847 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
10848 Rework tests to use trees whenever possible.
10849 Use host_integerp and tree_low_cst.
10850 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
10851 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
10852 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
10853 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
10854 (smallest_mode_for_size): Likewise.
10855 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
10856 KNOWN_ALIGN is now an alignment, so simplify code.
10857 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
10858 (start_record_layout): Renamed from new_record_layout_info.
10859 Update to new fields.
10860 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
10862 (place_union_field): Renamed from layout_union_field.
10863 Update to use new fields in rli.
10864 (place_field): Renamed from layout_field.
10865 Major rewrite to use new fields in rli; pass alignment to layout_decl.
10866 (finalize_record_size): Rework to use new fields in rli and handle
10868 (compute_record_mode): Rework to simplify and to use new DECL fields.
10869 (finalize_type_size): Make rounding more consistent.
10870 (finish_union_layout): Deleted.
10871 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
10872 (layout_type, case RECORD_TYPE): Call new function names.
10873 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
10874 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
10875 (get_best_mode): UNIT is now unsigned; remove casts.
10876 * tree.c (bit_position): Compute from new fields.
10877 (byte_position, int_byte_position): New functions.
10878 (print_type_hash_statistics): Cast to remove warning.
10879 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
10880 (build_index_type): Likewise; make subtype of sizetype.
10881 (build_index_2_type): Pass sizetype to build_range_type.
10882 (build_common_tree_nodes): Use size_int and bitsize_int to
10883 initialize nodes; add bitsize_{zero,one,unit}_node.
10884 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
10885 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
10886 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
10887 (DECL_FIELD_BITPOS): Deleted.
10888 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
10889 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
10890 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
10891 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
10892 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
10893 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
10894 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
10895 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
10896 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
10897 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
10898 (DECL_ALIGN): Adjust to new field in union.
10899 (DECL_OFFSET_ALIGN): New field.
10900 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
10901 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
10902 (union tree_decl): Add struct for both aligns.
10903 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
10904 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
10905 (struct record_layout_info): Rework fields to have offset
10906 alignment and byte and bit position.
10907 (start_record_layout, place_field): Renamed from old names.
10908 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
10909 (byte_position, int_byte_position): Likewise.
10910 (get_inner_reference): Change types of position and length.
10911 * unroll.c (unroll_loop): New variable R; use for some loops.
10912 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
10913 (calculate_giv_inc): Arg REGNO now unsigned.
10914 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
10915 * varasm.c (assemble_variable): Clean up handling of size using
10916 host_integerp and tree_low_cst.
10917 (decode_addr_const): Use byte, not bit, position.
10918 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
10919 use tree_low_cst and int_bit_position.
10920 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
10922 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
10924 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
10925 (reorder_block_def): New members eff_head and eff_end.
10926 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
10927 (verify_insn_chain): New function.
10928 (skip_insns_between_block): Add code to skip deleted insns.
10929 Check for note before using.
10930 (chain_reorder_blocks): Replace calls to skip_insns_between_block
10931 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
10932 Check for note before using.
10933 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
10934 (fixup_reorder_chain): Restructure, clean up, defect removal.
10935 (reorder_basic_blocks): Remove last_insn and references to it.
10936 Moved insn chain verification code into a new function (see above).
10937 Delete defective code that sets last insn.
10938 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
10941 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10943 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
10945 2000-03-24 Richard Henderson <rth@cygnus.com>
10947 * tree.c (lang_safe_for_unsave): Remove.
10948 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
10949 allowing for two levels of unsafeness. Remove lang hook.
10950 * tree.h: Update declarations.
10951 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
10952 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
10953 Always fail sibcalls when there are pending cleanups.
10955 2000-03-24 Geoff Keating <geoffk@cygnus.com>
10957 * flow.c (propagate_block): When we delete an ADDR_VEC,
10958 also delete the BARRIER following it if there is one.
10960 2000-03-24 Richard Henderson <rth@cygnus.com>
10962 * builtins.c (expand_builtin_bzero): Convert `length' argument
10965 2000-03-24 Jakub Jelinek <jakub@redhat.com>
10967 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
10968 comparison if regno's are equal.
10969 * calls.c (initialize_argument_informat): Add ecf_flags argument.
10970 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10971 (expand_call): Update caller.
10972 Avoid making a sibling call if argument size of the callee is larger
10973 than argument size of the caller.
10974 Call hard_function_value with outgoing set if in sibcall pass.
10975 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
10977 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
10978 Change LEAF_REGISTERS from an array initializer to actual array
10979 identifier. Move static global variable into the function.
10980 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
10981 sequences for leaf functions.
10982 * global.c (global_alloc): Likewise.
10983 * tm.texi (LEAF_REGISTERS): Update documentation.
10985 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
10986 TARGET_FLAT leaf disabling hack.
10987 (LEAF_REGISTERS): Changed from an array initializer to actual array
10988 identifier to avoid duplication and remove the above hack.
10989 (FUNCTION_OK_FOR_SIBCALL): Define.
10990 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
10991 always like call attribute.
10992 (eligible_for_sibcall_delay): New attribute.
10993 (sibcall): New delay type.
10994 (sibcall, sibcall_value, sibcall_epilogue): New expands.
10995 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
10996 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
10997 * config/sparc/sparc.c (sparc_leaf_regs): New array.
10998 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
11000 (output_function_epilogue): Move part of the code into
11001 output_restore_regs.
11002 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
11004 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
11007 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
11008 until infrastructure is finished.
11010 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
11012 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
11013 (save_parm_insns): Not here.
11015 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11017 * builtins.c (expand_builtin_bzero): New function.
11018 (expand_builtin): Handle bzero.
11020 * builtins.def: Add BUILT_IN_BZERO.
11022 * c-common.c (c_common_nodes_and_builtins): Provide builtin
11023 prototype & function for bzero.
11025 2000-03-23 Michael Meissner <meissner@redhat.com>
11027 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
11028 change adding TARGET_FP to the TF floating point insns, except for
11029 trunctfsf2, which generates direct calls to truncdfsf2.
11031 2000-03-23 Geoff Keating <geoffk@cygnus.com>
11033 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
11034 try to protect against middle-end changes that break binary
11036 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
11038 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11040 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
11042 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11044 * calls.c (expand_call): If TARGET is passed by reference and
11045 is readonly, write a CLOBBER.
11047 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11049 * builtins.c (expand_builtin): Handle bcmp.
11051 * builtins.def: Add BUILT_IN_BCMP.
11053 * c-common.c (c_common_nodes_and_builtins): Provide builtin
11054 prototype & function for bcmp.
11056 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
11058 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
11059 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
11060 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
11062 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
11064 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
11065 alternative when using -fp64 -gp32.
11067 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11069 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
11070 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
11071 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
11073 * frame.h (frame_state): Revert last change.
11074 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
11075 * libgcc2.c (throw_helper): Revert last change.
11077 2000-03-22 Richard Henderson <rth@cygnus.com>
11079 * stmt.c (expand_asm_operands): Don't promote the temporary.
11081 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
11083 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
11084 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
11085 c_get_alias_set): Likewise.
11086 * c-decl.c (duplicate_decls): Likewise.
11087 * c-typeck.c (default_conversion,build_unary_op): Likewise.
11088 * calls.c (initialize_argument_information): Likewise.
11089 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
11091 * dwarfout.c (decl_class_context,output_type): Likewise.
11092 * expr.c (get_inner_reference): Likewise.
11093 * fold-const.c (simple_operand_p,fold): Likewise.
11094 * function.c (aggregate_value_p): Likewise.
11095 * stmt.c (expand_asm_operands): Likewise.
11096 * varasm.c (named_section): Likewise.
11098 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11100 Implement dwarf2 exception handling for the ARM.
11101 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
11102 (DWARF_FRAME_RETURN_COLUMN): Define.
11103 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
11104 REG_FRAME_RELATED_EXPR note.
11105 (emit_sfm): Likewise.
11106 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
11107 * dwarf2out.c (reg_save): Handle saving a register to itself.
11108 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
11109 * except.c (eh_regs): Don't use the static chain reg if it's
11111 * frame.h (frame_state): Add cfa_saved field.
11112 * frame.c (execute_cfa_insn): Set it.
11113 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
11115 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
11117 (instantiate_virtual_regs): Adjust.
11119 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11120 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11121 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
11123 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
11124 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
11126 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11128 * builtins.def: New file.
11130 * Makefile.in (TREE_H): Depend on builtins.def.
11132 * builtins.c (built_in_names): Use builtins.def.
11134 * tree.h (built_in_function): Likewise.
11136 2000-03-22 Mark Mitchell <mark@codesourcery.com>
11138 * tree.c (size_in_bytes): Return size_zero_node, not
11141 2000-03-22 Geoff Keating <geoffk@cygnus.com>
11143 * config/fp-bit.c (pack_d): Correct the case when a denormal
11144 is rounded up and stops being denormal.
11146 2000-03-21 Richard Henderson <rth@cygnus.com>
11148 * config/alpha/alpha.c (function_arg): Check for void_type_node
11149 before using MUST_PASS_IN_STACK.
11151 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
11153 * regmove.c (combine_stack_adjustments_for_block): Check that
11154 the stack pointer is a valid memory address.
11156 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
11158 * calls.c: re-install Mar 16 emit_library_call merge.
11160 2000-03-21 Jakub Jelinek <jakub@redhat.com>
11162 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
11163 we cannot be sure that if reload_completed base register will
11164 be properly aligned.
11166 2000-03-21 Richard Henderson <rth@cygnus.com>
11168 * flow.c (delete_block): Fix typo last change.
11170 2000-03-21 Mark Mitchell <mark@codesourcery.com>
11172 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
11173 not COMPLETE_TYPE_P, to check the type of the expression.
11175 2000-03-21 Michael Meissner <meissner@redhat.com>
11177 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
11178 all floating point insns that just tested the macro
11179 TARGET_HAS_XFLOATING_LIBS.
11180 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
11181 used to only use the gprs.
11183 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11185 * tree.h (COMPLETE_TYPE_P): New macro.
11186 (COMPLETE_OR_VOID_TYPE_P): New macro.
11187 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11188 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11189 * c-aux-info.c (gen_type): Use them.
11190 * c-common.c (c_expand_expr_stmt): Likewise.
11191 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11192 grokdeclarator, grokparms, finish_struct, start_function,
11193 store_parm_decls, combine_parm_decls): Likewise.
11194 * c-parse.y (cast_expr): Likewise.
11195 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11196 c_size_in_bytes, c_alignof, build_component_ref,
11197 build_indirect_ref, build_array_ref, convert_arguments,
11198 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11199 * calls.c (initialize_argument_information): Likewise.
11200 * convert.c (convert_to_integer): Likewise.
11201 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11202 * dwarfout.c (location_or_const_value_attribute,
11203 output_enumeration_type_die, output_structure_type_die,
11204 output_union_type_die, output_type): Likewise.
11205 * expr.c (safe_from_p, expand_expr): Likewise.
11206 * function.c (assign_parms): Likewise.
11207 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11208 * tree.c (build_array_type, build_function_type,
11209 build_method_type, build_offset_type, build_complex_type): Likewise.
11210 * c-parse.c, c-parse.h: Regenerated.
11212 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11214 * config/c4x/rtems.h: Include config/rtems.h.
11216 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11218 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11219 decl is a FUNCTION_DECL
11221 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11223 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11224 function uses output registers. Don't save RP for leaf functions.
11225 Do save RP even if no epilogue.
11226 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11227 (CALL_USED_REGISTERS): Unmark in registers.
11228 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11229 to near the middle.
11231 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11233 * config/rs6000/rs6000.md (bunordered): New expander.
11234 (bordered): New expander.
11235 (buneq): New expander.
11236 (bunge): New expander.
11237 (bungt): New expander.
11238 (bunle): New expander.
11239 (bunlt): New expander.
11240 (bltgt): New expander.
11242 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11243 (ccr_bit_negated_p): New function.
11244 (print_operand): For %C, generate appropriate cror for UNEQ,
11245 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11247 2000-03-20 Andreas Jaeger <aj@suse.de>
11249 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11252 * tree.h (safe_for_unsave): Prototype.
11254 2000-03-20 Richard Henderson <rth@cygnus.com>
11256 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11257 (combine_stack_adjustments_for_block): Don't allow sp references
11258 in the side of a set we're not fixing up.
11259 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11260 after life_analysis.
11262 2000-03-20 Richard Henderson <rth@cygnus.com>
11264 * calls.c (expand_call): Don't bother generating tail call
11265 sequences if there are pending cleanups. Use
11266 expand_start_target_temps/expand_end_target_temps to elide
11267 cleanups created during sibcall expansion.
11269 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11271 * configure.in: Set $IFS to a value if it doesn't already have one
11272 in the --enable-checking handling.
11273 * configure: Regenerate.
11275 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11277 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11278 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11281 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11283 * jump.c (delete_noop_moves): Remove code attempting to
11284 combine stack adjustments.
11286 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11288 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11289 * except.c (emit_cleanup_handler): Use them.
11290 (expand_end_all_catch): Likewise.
11291 * function.c (fixup_var_refs): Likewise.
11292 (expand_function_end): Clear catch_clauses_last.
11293 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11294 * except.h (struct eh_status): New field x_catch_clauses_last.
11295 (catch_clauses_last): New define.
11297 * Makefile.in (tree.o): Depend on HASHTAB_H.
11298 * tree.c: Include hashtab.h.
11299 (struct type_hash): Remove next field.
11300 (TYPE_HASH_SIZE): Remove.
11301 (TYPE_HASH_INITIAL_SIZE): New define.
11302 (type_hash_table): Change type to htab_t.
11303 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11304 mark_hash_entry): New functions.
11305 (init_obstacks): Allocate type hash.
11306 (type_hash_lookup): Use htab functions.
11307 (type_hash_add, mark_type_hash): Likewise.
11308 (dump_tree_statistics): Call print_type_hash_statistics.
11310 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11312 * rs6000/t-aix41: New file.
11314 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11316 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11318 * tm.texi (Driver): Fix typos and tweak entry for
11320 Move misplaced STRUCT_FORCE_BLK entry ...
11321 (Storage Layout): ... to here.
11322 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11324 2000-03-19 Richard Henderson <rth@cygnus.com>
11326 * flow.c (delete_block): Delete the addr_vec along with the block.
11327 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11330 * fold-const.c (extract_muldiv): Apply type check for defined
11331 overflow to multiply as well as divide.
11333 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11335 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11337 * emit-rtl.c (remove_unncessary_notes): Check that all
11338 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11339 associated NOTE_BLOCK.
11340 * function.h (identify_blocks): Update comments.
11341 (reorder_blocks): Declare.
11342 * function.c (identify_blocks): Don't take paramters.
11343 (reorder_blocks): Don't take parameters.
11344 * loop.h (find_loop_tree_blocks): Remove.
11345 (unroll_block_trees): Likewise.
11346 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11347 reorder_blocks instead of unroll_block_trees.h
11348 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11349 * stmt.c (find_loop_tree_blocks): Remove.
11350 (unroll_block_trees): Likewise.
11351 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11352 in whole-function mode.
11353 * tree.h (reorder_blocks): Remove declaration.
11355 * expr.c: Include intl.h.
11356 * Makefile.in (expr.o): Depend on intl.h.
11358 2000-03-18 Richard Henderson <rth@cygnus.com>
11360 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11362 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11364 * tree.h (tree_index): Remove enumerals for integer types.
11365 (integer_type_kind): New type.
11366 (integer_types): New variable.
11367 (char_type_node): Adjust.
11368 (signed_char_type_node): Likewise.
11369 (unsigned_char_type_node): Likewise.
11370 (short_integer_type_node): Likewise.
11371 (short_unsigned_type_node): Likewise.
11372 (integer_type_node): Likewise.
11373 (unsigned_type_node): Likewise.
11374 (long_integer_type_node): Likewise.
11375 (long_unsigned_type_node): Likewise.
11376 (long_long_integer_type_node): Likewise.
11377 (long_long_unsigned_type_node): Likewise.
11378 * tree.c (integer_types): New variable.
11379 (init_obstacks): Register it as a root.
11381 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11383 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11384 NEXT_INSN. Update last insn in chain.
11386 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11388 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11389 with TYPE_DECL_SUPPRESS_DEBUG set.
11391 2000-03-18 Richard Henderson <rth@cygnus.com>
11393 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11395 2000-03-18 Richard Henderson <rth@cygnus.com>
11397 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11398 care for HALF_PIC_P.
11399 (expander_call_insn_operand): Remove.
11400 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11401 * i386.h (PREDICATE_CODES): Update.
11402 * i386.md (all call expanders): Remove predicates, remove special
11403 handling for half-pic.
11404 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11405 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11406 (sibcall_epilogue): New.
11408 2000-03-17 Richard Henderson <rth@cygnus.com>
11410 * rtlanal.c (single_set): Reject if the parallel has anything
11411 except SET or USE or CLOBBER.
11413 2000-03-17 Jeff Law <law@cygnus.com>
11414 Richard Henderson <rth@cygnus.com>
11416 * Makefile.in (OBJS): Add sibcall.o.
11418 * sibcall.c: New file.
11419 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11420 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11421 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11422 Emit sibcall patterns when requested. Update all callers.
11423 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11424 elimination seems feasable.
11425 * final.c (leaf_function_p): Sibling calls don't discount being
11427 * flow.c (HAVE_sibcall_epilogue): Provide default.
11428 (find_basic_blocks_1): Sibling calls don't throw.
11429 (make_edges): Make edge from sibling call to EXIT.
11430 (propagate_block): Don't remove sibcall_epilogue insns.
11431 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11432 (sibcall_epilogue): New.
11433 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11434 (identify_blocks_1): Likewise. Break out from ...
11435 (identify_blocks): ... here.
11436 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11437 (reorder_blocks): ... here.
11438 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11439 (record_insns): Extend a varray instead of mallocing new memory.
11440 (contains): Read a varray not array of ints.
11441 (sibcall_epilogue_contains): New.
11442 (thread_prologue_and_epilogue_insns): Emit and record
11443 sibcall_epilogue patterns.
11444 (init_function_once): Allocate prologue/epilogue varrays.
11445 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11446 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11447 Broken out from ...
11448 (save_for_inline_nocopy): ... here.
11449 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11450 Broken out from ...
11451 (expand_inline_function): ... here.
11452 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11453 (subst_constants): Handle 'n' formats.
11454 * jump.c (jump_optimize_minimal): New.
11455 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11456 optimizations if it's set.
11457 * rtl.c (copy_rtx): Do copy jump & call for insns.
11458 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11459 (SIBLING_CALL_P): New.
11460 (sibcall_use_t): New.
11461 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11462 Invoke optimize_sibling_and_tail_recursive_calls.
11463 * tree.c (lang_safe_for_unsave): New.
11464 (safe_for_unsave): New.
11465 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11467 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11468 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11469 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11471 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11473 * objc/objc-act.c (encode_method_prototype): Pass types, not
11474 PARM_DECLs, to int_size_in_bytes.
11476 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11478 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11480 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11481 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11483 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11485 * Clean up usages of TREE_INT_CST_LOW.
11486 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11487 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11489 * c-tree.h (min_precision): Move declaration to here.
11490 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11491 (build_unary_op, add_pending_init): Use bit_position.
11492 (pending_init_member, process_init_element): Likewise.
11493 (really_start_incremental_init, push_init_level, pop_init_level):
11494 Don't make copies of nodes or modify them in place, use consistent
11495 types when tracking positions, and use tree routines computations.
11496 (set_init_index, output_init_element): Likewise.
11497 (output_pending_init_elements, process_init_element): Likewise.
11498 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11499 tree_low_cst and int_bit_position; also minor cleanup.
11500 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11501 (print_cst_octal): Precision is unsigned.
11502 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11503 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11504 (simple_type_align_in_bits): Result is unsigned int.
11505 Use tree_int_low_cst and host_integerp.
11506 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11507 (field_byte_offset): Result is HOST_WIDE_INT.
11508 Change types of internal variables so alignments are unsigned int,
11509 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11510 Use host_integerp, tree_low_cst, and int_bit_position.
11511 (add_bit_offset_attribute): Likewise.
11512 (add_data_member_location_attribute): Use tree_cst_low.
11513 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11514 (add_bit_size_attribute): Use tree_low_cst.
11515 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11516 * dwarfout.c: Similar changes to dwarf2out.c.
11517 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11518 * genoutput.c (n_occurences): Return -1 for null string.
11519 (strip_whitespace): Accept null string and make into function.
11520 (scan_operands): Reflect above changes.
11521 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11522 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11523 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11524 * tree.c (int_size_in_bytes): Check for too big to represent.
11525 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11526 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11528 (min_precision): Delete from here.
11529 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11530 and int_bit_position.
11531 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11532 (encode_method_def): Likewise.
11533 (build_ivar_list_initializer): Use int_bit_position.
11534 (generate_shared_structures): Convert size.
11535 (encode_type, encode_complete_bitfield): Use integer_zerop.
11536 (encode_bitfield): Use tree_low_cst and int_bit_position.
11538 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11540 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11542 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11544 * call.c (special_function_p): It is only malloc if it returns
11547 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11549 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11550 (C33_FLAG, TARGET_C3X): Add macros.
11551 (TARGET_SWITCHES): Add -m33 option.
11552 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11554 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11556 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11557 (PARALLEL_PACK_FLAG): Delete.
11558 (TARGET_SWITCHES): Update.
11559 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11561 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11563 * fold-const.c (fold): Fix a few cases when the returned result
11564 is not of the same type as the input.
11566 2000-03-16 Nick Clifton <nickc@cygnus.com>
11568 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11571 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11573 * libgcc2.h: Move prototypes above macros with the same name.
11574 Wrap some function prototypes in the conditional which indicates
11575 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11577 2000-03-16 Richard Henderson <rth@cygnus.com>
11579 * calls.c: Revert last two changes.
11581 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11583 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11584 has exponent 0 is a zero.
11586 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11587 HASH may already be nonzero. Add code/mode into hash value
11588 immediately after repeat label.
11589 (cselib_lookup): Don't leave the hash table in an inconsistent
11590 state before a hash lookup operation.
11592 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11594 * i386.md (all HI and QI mode non-move patterns): Conditionize
11595 by TARGET_[HQ]IMODE_MATH.
11596 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11597 x86_promote_qi_regs): Declare.
11598 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11599 TARGET_PROMOTE_QI_REGS): New macros.
11600 (PROMOTE_MODE): New macro.
11601 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11602 x86_promote_qi_regs): New global variables.
11604 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11606 * calls.c (emit_library_call_value_1): Break out from ...; handle
11607 VOIDmode function calls too.
11608 (emit_library_call_value): ... here.
11609 (emit_library_call): Implement by calling emit_library_call_value_1.
11611 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11613 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11614 Update arg_space_so_far on stack adjustments.
11615 (emit_library_call, emit_library_call_value): Likewise; take into
11616 account arg_space_so_far and pending_stack_adjust when calculcating
11619 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11621 * flow.c: Move all basic block reordering code into its own file.
11622 (create_basic_block): Externalize.
11623 * bb-reorder.c: New file. Copy all basic block reordering code from
11624 flow.c to this file.
11625 (reorder_basic_blocks): Fix fencepost error in for-loop.
11626 (reorder_basic_blocks): Remove braces from single statement for-loops.
11627 * basic-block.h: Add declaration for create_basic_block.
11628 * Makefile.in: Add rules for bb-reorder.o.
11630 2000-03-16 Neil Booth <NeilB@earthling.net>
11632 * cppinit.c (handle_option): Implement #unassert directive
11633 as -A- command line option.
11634 (print_help): Update.
11635 * cpptexi.c: Update.
11637 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11639 * md.texi (Standard Names): Document `jump'.
11641 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11643 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11646 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11648 Merge changes from newppc-branch onto trunk.
11650 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11652 * rs6000.c (toc_hash_table): Update for new hash table functions.
11653 (toc_hash_function): Likewise.
11654 (toc_hash_eq): Likewise.
11655 (toc_hash_mark_entry): Likewise.
11656 (toc_hash_mark_table): Likewise.
11657 (output_toc): Likewise.
11658 (rs6000_add_gc_roots): Likewise.
11660 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11662 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11663 (AR_FLAGS_FOR_TARGET): here. New macro.
11665 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11667 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11668 fpmem_operand) Delete.
11670 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11671 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11672 (rs6000_save_machine_status, rs6000_restore_machine_status,
11673 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11674 references to above variables.
11675 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11676 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11677 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11678 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11679 (XER_REGNO_P, XER_REGNO): New.
11680 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11681 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11682 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11684 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11685 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11686 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11688 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11690 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11691 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11692 * rs6000.h: from here.
11694 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11695 (rs6000_select_rtx_section): Likewise.
11696 (rs6000_encode_section_info): Likewise.
11697 (sdata_section): Likewise.
11698 (sdata2_section): Likewise.
11699 (sbss_section): Likewise.
11700 * sysv4.h (rs6000_select_section): Delete prototype.
11701 (rs6000_select_rtx_section): Likewise.
11702 (rs6000_encode_section_info): Likewise.
11703 (sdata_section): Likewise.
11704 (sdata2_section): Likewise.
11705 (sbss_section): Likewise.
11706 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11708 * sysv4.h: Delete various unnecessary #undef's and put a comment
11709 on the remaining ones.
11710 Change various comments according to coding standard.
11712 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11714 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11715 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11716 (CR0_REGNO_P) Remove.
11717 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11718 setup_incoming_varargs, mtcrf_operation, print_operand,
11719 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11720 Use the above macros.
11722 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11724 * config/rs6000/rs6000.md: Added a new alternative for each
11725 pattern that had a 'x' alternative but no 'y' alternative.
11726 Added a new split for each of the above patterns.
11728 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11730 * aix41.h (ASM_CPU_SPEC): Delete.
11731 (CPP_CPU_SPEC): Delete.
11733 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11734 (ASM_OUTPUT_LABEL): Define.
11735 (ASM_GLOBALIZE_LABEL): Define.
11736 (STRIP_NAME_ENCODING): Define.
11737 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11738 (STRIP_NAME_ENCODING): Don't define.
11739 (ASM_OUTPUT_LABEL): Don't define.
11740 (ASM_GLOBALIZE_LABEL): Don't define.
11741 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11742 names, and ASM_OUTPUT_LABEL to output labels, rather than
11744 (ASM_OUTPUT_LABEL): Define.
11745 (ASM_OUTPUT_INT): Use assemble_name.
11746 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11747 (STRIP_NAME_ENCODING): Don't undefine first.
11748 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11750 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11751 specified with 'asm' even with -fleading-underscore.
11752 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11753 (output_epilog): Likewise.
11754 (output_toc): Likewise.
11755 * tramp.asm: Handle -fleading-underscore correctly.
11757 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11759 (nonlocal_goto_receiver): Delete.
11760 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11762 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11763 (SET_ASM_OP): Define.
11764 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11766 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11767 (ASM_LONG): Define.
11769 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11770 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11772 * rs6000.h: Add 'u' to more constants.
11774 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11776 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11778 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11780 * rs6000.c (reg_or_u_cint_operand): New function.
11781 (logical_operand): Handle 64-bit hosts.
11782 (logical_u_operand): New function.
11783 (non_logical_cint_operand): Handle 64-bit hosts.
11784 (non_logical_u_cint_operand): New function.
11785 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11786 (PREDICATE_CODES): Define new functions.
11787 * rs6000-protos.h: Declare new functions.
11788 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11789 (movdi_64): Bracket code intended for 64-bit hosts. Create
11790 CONST_DOUBLE for 32-bit values.
11791 (scc insns): Generate DImode compares.
11792 (mfcr insns): Create DImode versions.
11793 (sge matchers): New patterns.
11795 2000-02-15 Gabriel Paubert <paubert@iram.es>
11797 * rs6000.md: Correct instructions length attributes and
11798 constraints on unsigned compare instructions.
11799 (*ne0): Disable for PowerPC64.
11801 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11803 * rs6000.c (output_function_profiler): Use .long for a 32-bit
11804 quantity, fix profile1.C test failure under -fPIC.
11806 * rs6000.c: Add 'u' to many constants to suppress warnings.
11807 (constant_pool_expr_1): Make static.
11808 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
11809 * rs6000.h: Add 'u' to many constants to suppress warnings.
11811 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
11812 for the start of the TOC, instead of LCTOC..0.
11813 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
11815 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
11816 (load_toc_aix_di): Use LCTOC..1.
11818 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
11819 * rs6000.c (rs6000_legitimize_address): New function from
11820 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
11821 symbols in the constant pool that really are TOC references.
11822 (print_operand_address): For ELF, write TOC offsets under
11823 -fPIC as subtractions in the insn.
11824 (output_toc): For ELF, define symbols in TOC as normal labels,
11826 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
11827 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
11828 (create_TOC_reference): Prototype only when RTX_CODE is defined.
11829 * rs6000.md (movsi): Only use create_TOC_reference on
11830 symbols in the constant pool that really are TOC references.
11832 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
11833 * rs6000.c (rs6000_reorg): Delete.
11834 * rs6000-protos.h (rs6000_reorg): Delete.
11836 2000-02-09 Geoff Keating <geoffk@cygnus.com>
11838 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
11840 * aix.h (SETUP_FRAME_ADDRESSES): Define.
11841 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
11842 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
11843 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
11844 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
11845 rs6000_aix_emit_builtin_unwind_init.
11846 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
11847 rs6000_emit_eh_toc_restore on AIX.
11848 (return_eh_si): Use r2.
11849 (return_eh_di): Use r2.
11851 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
11852 since we're breaking binary compatibility anyway.
11854 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
11856 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
11857 constant_pool_expr_p): Declare them.
11858 (constant_pool_expr_p): Declare it.
11859 * config/rs6000/rs6000.c (toc_label_name): Define.
11860 (rs6000_override_options): Set toc_label_name.
11861 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
11862 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
11863 uses_TOC): New functions.
11864 (print_operand): Delete old '*' case.
11865 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
11866 and strip off rtl for TOC before calling output_addr_const.
11867 (rs6000_emit_load_toc_table): Use toc_label_name.
11868 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
11870 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
11871 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
11872 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
11873 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
11874 into explicit TOC_REGISTER offsets.
11875 (TOC_REGISTER): New macro.
11876 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
11877 TARGET_TOC to reference TOC_REGISTER.
11878 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
11879 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
11880 uses_TOC before emitting label references.
11882 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11884 * rs6000.md (stack_tie): Fix warning.
11886 * eabi-ctors.c: Use 'asm' names for the start/end variables,
11887 to handle -fleading-underscore.
11888 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
11889 (USER_LABEL_PREFIX): New macro.
11890 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
11891 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
11892 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
11893 call-linux can use the same multilibs.
11894 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
11895 and call-linux multilibs. Do multilib with -fleading-underscore.
11896 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
11897 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
11900 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
11901 have MASK_SOFT_FLOAT set.
11902 (CPP_FLOAT_DEFAULT_SPEC): New macro.
11903 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
11904 CPP_FLOAT_DEFAULT_SPEC.
11906 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
11907 * rs6000.md: Whitespace change.
11908 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
11909 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
11911 2000-02-05 Geoff Keating <geoffk@cygnus.com>
11913 * rs6000.md (eh_epilogue): New expander.
11914 (eh_reg_restore): New expand/split/insn combination.
11915 (return_eh_si): New insn.
11916 (return_eh_di): New insn.
11918 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
11919 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
11920 * eabi-ctors.c (__do_global_ctors): Register this object's
11921 frame. Clean up. Call atexit() after the constructors.
11922 (__do_global_dtors): Deregister this object's frame. Clean up.
11923 Allow for recursive calls to exit().
11924 * rs6000.c (fixuplabelno): New variable.
11925 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
11926 TARGET_RELOCATABLE, it slows down exec() under linux.
11927 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
11929 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
11930 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
11931 (ASM_OUTPUT_DWARF_DELTA2): New macro.
11932 (ASM_OUTPUT_DWARF_DELTA4): New macro.
11933 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
11934 (ASM_OUTPUT_DWARF_ADDR): New macro.
11935 (ASM_OUTPUT_DWARF_DATA4): New macro.
11936 (ASM_OUTPUT_DWARF_DATA2): New macro.
11937 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
11938 (ASM_OUTPUT_DWARF_OFFSET): New macro.
11939 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
11941 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11943 * rs6000.c (rs6000_sr_alias_set): New variable.
11944 (rs6000_override_options): Initialise rs6000_sr_alias_set.
11945 (rs6000_emit_stack_tie): New function.
11946 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
11947 in a way that dwarf2out can understand.
11948 (rs6000_frame_related): New function.
11949 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
11950 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
11951 Use rs6000_emit_stack_tie when needed.
11952 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
11953 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
11954 * rs6000.md (stack_tie): New insn.
11955 (return_internal_si): Allow return value to be in the count
11957 (return_internal_di): Likewise.
11959 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
11961 2000-02-03 Geoff Keating <geoffk@cygnus.com>
11963 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
11965 2000-01-31 Geoff Keating <geoffk@cygnus.com>
11967 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
11969 * rs6000.md (stmw): Use the right POWER opcode.
11972 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11974 * rs6000-protos.h: New file.
11976 * rs6000.c: Include tm_p.h. Fix compile time warnings.
11978 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
11981 * sysv4.h: Likewise.
11983 2000-01-28 Geoff Keating <geoffk@cygnus.com>
11985 * ../../configure.in: Delete powerpcle-*-winnt*
11986 and powerpcle-*-pe|powerpcle-*-cygwin*.
11987 * ../../configure: Regenerated.
11988 * cygwin.h: Delete.
11989 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
11990 (TARGET_WINDOWS_NT): Delete.
11992 (CALL_NT_DLLIMPORT): Delete.
11993 Delete NT-specific code.
11994 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
11995 * win-nt.h: Delete.
11997 * nt-ci.asm: Delete.
11998 * nt-cn.asm: Delete.
11999 * ntstack.asm: Delete.
12001 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12003 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
12004 (ASM_FILE_START): Likewise.
12005 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12006 (ASM_OUTPUT_LABELREF): Likewise.
12007 (ASM_OUTPUT_SKIP): Likewise.
12008 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
12009 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
12010 (ASM_OUTPUT_CASE_LABEL): Likewise.
12011 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
12012 (ASM_OUTPUT_ASCII): Likewise.
12014 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
12016 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
12017 reload_toc_labelno for non-prologue TOC reloads. Also, don't
12018 increment rs6000_pic_labelno here.
12019 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
12020 and increment rs6000_pic_labelno here.
12022 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
12024 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
12025 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
12026 allocation knows (reg) is dead before the insn.
12028 2000-01-21 Geoff Keating <geoffk@cygnus.com>
12030 * rs6000.md (movsi_to_cr): Correct typo in output template.
12032 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12034 * rs6000.c (rs6000_pic_labelno): Always define.
12035 (rs6000_pic_func_labelno): Delete.
12036 (lmw_operation): Check for a zero base register,
12037 which doesn't mean what we want.
12038 (stmw_operation): New function.
12039 (print_operand): Define new 'l' modifier.
12040 (rs6000_stack_info): We must save all 64 bits of the registers
12041 if TARGET_POWERPC64.
12042 (rs6000_output_load_toc_table): Delete.
12043 (rs6000_emit_load_toc_table): New function.
12044 (rs6000_allocate_stack_space): Delete.
12045 (rs6000_emit_allocate_stack): New function.
12046 (rs6000_emit_prologue): New function.
12047 (output_prolog): Use rs6000_emit_prologue.
12048 (rs6000_emit_epilogue): Change a few variable names to be
12049 more accurate. Restore all 64 bits of the registers if
12050 TARGET_POWERPC64. Only restore the FP registers which were used
12051 if they are being saved/restored one-at-a-time.
12052 (output_mi_thunk): Delete inefficient code generation.
12053 (output_function_profiler): Don't use rs6000_output_load_toc_table.
12054 * rs6000.h: Declare rs6000_emit_load_toc_table,
12055 rs6000_allocate_stack_space, stmw_operation. Don't declare
12056 rs6000_output_load_toc_table.
12057 * rs6000.md (elf_high): Allow register 0, but discourage it
12059 (elf_low): Support loading into register 0.
12060 (load_toc_aix_si): New pattern.
12061 (load_toc_aix_di): New pattern.
12062 (load_toc_v4_pic_si): New pattern.
12063 (load_toc_v4_pic_di): New pattern.
12064 (load_toc_v4_PIC_1): New pattern.
12065 (load_toc_v4_PIC_1b): New pattern.
12066 (load_toc_v4_PIC_2): New pattern.
12067 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
12068 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
12069 (prologue): New expander.
12070 (movesi_from_cr): New pattern.
12071 (stmw): New pattern.
12072 (save_fpregs_si): New pattern.
12073 (save_fpregs_di): New pattern.
12075 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12077 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
12082 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12084 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
12086 (movsi_got_internal): Likewise.
12087 (movsi_got_internal+1): Likewise.
12088 (set_sp): 'unspec 7' does a SImode clobber.
12090 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12092 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
12093 allocate a stack temporary.
12094 (floatsidf2_internal): Likewise.
12095 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
12097 (floatunssidf2): Don't use the fpmem "register", just
12098 allocate a stack temporary.
12099 (floatunssidf2_internal): Likewise.
12100 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
12102 (floatsidf2_loadaddr): Delete.
12103 (floatsidf2_store1): Delete.
12104 (floatsidf2_store2): Delete.
12105 (floatsidf2_load): Delete.
12106 (fix_truncdfsi2): Don't use the fpmem "register", just
12107 allocate a stack temporary.
12108 (fix_truncdfsi2_internal_si): Delete.
12109 (fix_truncdfsi2_internal_di): Delete.
12110 (fix_truncdfsi2_internal): New insn.
12111 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
12112 (fix_truncdfsi2_store): Delete.
12113 (fix_truncdfsi2_load): Delete.
12114 (fctiwz): Produce gen_fctiwz.
12116 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12118 * eabi.h (INVOKE__main): Define.
12119 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
12121 (rs6000_emit_prologue): Likewise.
12122 * rs6000.h (struct rs6000_stack): Don't keep track of whether
12123 this is the main program.
12125 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12127 * rs6000.c (rs6000_va_arg): Delete some unused variables.
12129 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12131 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
12132 goes after the argument.
12134 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12136 * rs6000.md: Document 'unspec' values used.
12137 (epilogue): New expander.
12138 (movesi_to_cr_one): New expander.
12139 (movesi_to_cr and following): New pattern.
12140 (lmw): New pattern.
12141 (return_internal_si): New pattern.
12142 (return_internal_di): New pattern.
12143 (return_and_restore_fpregs_si): New pattern.
12144 (return_and_restore_fpregs_di): New pattern.
12145 * rs6000.h: Declare new functions.
12146 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
12147 rather than rs6000_calls_p.
12148 (rs6000_makes_calls): Delete.
12149 (lmw_operation): New function.
12150 (mtcrf_operation): New function.
12151 (rs6000_emit_epilogue): New function.
12152 (output_epilog): Call rs6000_emit_epilogue and final if
12153 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
12155 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12157 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
12158 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
12159 * aix.h (SUBTARGET_SWITCHES): Document switches.
12160 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
12161 sched-prolog and sched-epilog the same. Document all the
12163 (TARGET_OPTIONS): No longer allow -mdebug-.
12165 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12167 * rs6000.h (ASM_FILE_END): Move to aix.h.
12168 (EXTRA_SECTIONS): Move to aix.h.
12169 (READONLY_DATA_SECTION): Move to aix.h.
12170 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
12171 (SELECT_SECTION): Move to aix.h.
12172 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
12173 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
12174 (LINK_REGISTER_REGNUM): New definition.
12175 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
12176 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
12178 * sysv4.h: Delete the code between the inclusion of rs6000.h
12180 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
12181 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
12182 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12183 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12184 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12185 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12186 (fix_truncdfsi2_internal_di): New pattern.
12187 (fix_truncdfsi2_store): The second arg here is Pmode too.
12188 (fix_truncdfsi2_load): The second arg here is Pmode too.
12189 (tablejumpdi): Now that switch tables hold only SImode values,
12190 gcc needs to know how to add them to the pc which is DImode.
12191 * rs6000.c (rs6000_stack_info): Use symbolic name for
12192 LINK_REGISTER_REGNUM.
12193 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12194 (output_toc): Delete unused variables s1 and s2.
12195 (output_ascii): Use fputs not fprintf on a variable string.
12197 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12199 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12200 * aix43.h: Revert Aug 2 change.
12201 (HAS_INIT_SECTION): Define, not visible yet.
12202 (LD_INIT_SWITCH): Define, not visible yet.
12203 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12205 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12207 * config/rs6000/rtems.h: Include config/rtems.h.
12209 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12211 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12212 (SLOW_UNALIGNED_ACCESS): Define.
12213 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12214 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12215 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12216 (toc_section): Likewise and .toc pseudo-op.
12217 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12219 (TEXT_SECTION_ASM_OP): Likewise.
12220 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12223 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12225 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12226 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12229 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12231 * rs6000.h: Move more stuff from here...
12233 * sysv4.h: Cleanup accordingly.
12234 * netware.h: Likewise
12236 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12238 * rs6000.h: Continue cleanup.
12240 * lynx.h: Likewise.
12241 * netware.h: Likewise.
12242 * sol2.h: Likewise.
12243 * sysv4.h: Likewise.
12244 * win-nt.h: Likewise.
12246 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12247 (TARGET_OPTIONS): Likewise.
12249 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12250 (SUBTARGET_OPTIONS): Likewise.
12252 * rs6000.md: Fix compile time warnings.
12254 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12256 vxworks patches from the Cygnus tree originally by
12257 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12258 <vmakarov@cygnus.com>.
12259 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12260 (ENDFILE_SPEC): Likewise.
12261 (LIB_VXWORKS_SPEC): New macro.
12262 (STARTFILE_VXWORKS_SPEC): New macro.
12263 (ENDFILE_VXWORKS_SPEC): New macro.
12264 (LINK_START_VXWORKS_SPEC): New macro.
12265 (LINK_OS_VXWORKS_SPEC): New macro.
12266 (CPP_OS_VXWORKS_SPEC): New macro.
12267 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12268 * vxppc.h: Rewrite to use proper configuration method.
12269 * vxppcle.h: New file.
12270 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12271 * ../../configure: Rebuilt.
12273 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12275 Lots of changes to rs6000.h, sysv4.h, aix.h,
12276 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12277 with the aim that rs6000.h is the first header
12278 included and the others override it.
12281 * x-aix41-gld: Remove.
12283 * x-aix41: Remove target-specific switches, and don't specify
12284 -Wl,-bbigtoc as we don't need it any more.
12285 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12286 Use t-aix43 for AIX 4.3 and above.
12287 * ../../configure: Regenerated.
12289 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12290 options, that don't do anything yet.
12291 (MASK_SCHED_PROLOG): New macro.
12292 (MASK_SCHED_EPILOG): New macro.
12293 (TARGET_SCHED_PROLOG): New macro.
12294 (TARGET_SCHED_EPILOG): New macro.
12296 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12298 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12299 one per translation unit, not one per function.
12300 (output_toc): Also do duplicate constant elimination
12301 for per-translation-unit TOCs.
12303 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12304 a comment explaining _exactly_ when this pattern gets used.
12305 (builtin_setjmp_receiver): New pattern for better clarity.
12306 (init_v4_pic): Move it into a section dealing with TOC registers.
12308 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12310 * rs6000.c (toc_hash_table): New variable.
12311 (rs6000_hash_constant): New function.
12312 (toc_hash_function): New function.
12313 (toc_hash_eq): New function.
12314 (toc_hash_mark_entry): New function.
12315 (toc_hash_mark_table): New function.
12316 (output_toc): Don't output duplicate TOC entries in
12318 (rs6000_add_gc_roots): Add the hash table as a GC root.
12319 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12320 where they clearly shouldn't be. This may need to be fixed
12321 later when there is a GNU ar for AIX.
12322 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12323 Don't define BOOT_LDFLAGS as it is now not necessary.
12325 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12327 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12328 for va_list on AIX. Use unsigned_char_type_node rather than
12329 constructing our own version on svr4.
12331 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12333 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12334 since patently it's not.
12336 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12338 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12339 define_expand/define_insn pair, and handle restore of the
12340 SVR4 -fpic register.
12342 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12344 * acconfig.h (HAVE_GAS_WEAK): New define.
12345 * configure.in (assembler weak support): Check for .weak support.
12346 * config.in, configure: Rebuilt.
12347 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12348 HAVE_GAS_WEAK is defined.
12350 2000-03-15 Nick Clifton <nickc@cygnus.com>
12352 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12355 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12357 * cppfiles.c (open_include_file): New function.
12358 (find_include_file, cpp_read_file): Use it.
12360 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12362 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12364 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12366 * flow.c (verify_flow_info): Check for unconditional return.
12368 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12370 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12371 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12372 (__ia64_restore_stack_nonlocal): New.
12373 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12375 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12377 * cpphash.c (collect_formal_parameters): Do not complain about
12378 parameter names that just start with `__VA_ARGS__'.
12380 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12382 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12383 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12384 * i386.c (pentiumpro_cost): Set mul cost to 4.
12385 (x86_use_movx): Set for PPro.
12387 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12389 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12390 STACK_BOUNDARY for empty frames now.
12392 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12394 * stor-layout.c (layout_union): Remove.
12395 (layout_union_field): New function, split out from layout_union.
12396 (finish_union_layout): Likewise.
12397 (layout_field): Handle unions by calling layout_union_field.
12398 (finish_record_layout): Handle unions.
12399 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12400 QUAL_UNION_TYPE handling.
12402 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12404 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12405 end of basic block is jump_insn, not barrier; use create_basic_block
12406 instead of creating basic block by hand.
12408 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12410 * flow.c (reorder_basic_blocks): Account for barriers when writing
12411 over NEXT_INSN (last_bb->end).
12412 (verify_flow_info): Add check for missing barriers.
12414 2000-03-14 Greg McGary <gkm@gnu.org>
12416 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12417 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12418 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12419 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12420 __unbounded, __unbounded__): New keywords.
12421 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12422 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12423 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12425 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12427 * cselib.h: New file.
12428 * alias.c: Include "cselib.h".
12429 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12430 MEMs as two new arguments.
12431 (get_addr): New static function.
12432 (find_base_term): Handle VALUEs.
12433 (memrefs_conflict_p): Likewise.
12434 (true_dependence): Call get_addr on the addresses.
12435 Call fixed_scalar_and_varying_struct_p with addresses that have been
12436 passed through get_addr and canon_rtx.
12437 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12438 with true_dependence.
12439 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12440 * loop.c: Include "cselib.h".
12441 (load_mems): Process extended basic block that enters the loop with
12442 cselib. Use that information to change initialization of the shadow
12443 register so that a constant equivalence is seen by later passes.
12444 * reload1.c: Include "cselib.h".
12445 (reload_cse_invalidate_regno): Delete function.
12446 (reload_cse_mem_conflict_p): Likewise.
12447 (reload_cse_invalidate_mem): Likewise.
12448 (reload_cse_invalidate_rtx): Likewise.
12449 (reload_cse_regno_equal_p): Likewise.
12450 (reload_cse_check_clobber): Likewise.
12451 (reload_cse_record_set): Likewise.
12452 (reg_values): Delete static variable.
12453 (invalidate_regno_rtx): Likewise.
12454 (reload_cse_delete_noop_set): New static function.
12455 (reload_cse_simplify): New static function, broken out of
12457 (reload_cse_noop_set_p): Delete unused argument INSN.
12458 Just call rtx_equal_for_cselib_p on set source and destination.
12459 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12460 reload_cse_delete_noop_set. Delete code to keep track of values; use
12461 cselib functions instead. Delete code to push/pop obstacks.
12462 (reload_cse_simplify_set): Use cselib to find equivalent values.
12463 Delete code to push/pop obstacks.
12464 (reload_cse_simplify_operands): Likewise.
12465 * rtl.def (VALUE): New rtx code.
12466 * rtl.h (union rtunion_def): New elt rt_cselib.
12467 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12468 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12469 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12470 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12471 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12472 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12473 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12474 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12475 cselib_record_set, cselib_record_sets): New static functions.
12476 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12477 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12478 references_value_p): New functions.
12479 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12480 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12481 n_useless_values, reg_values, callmem, cselib_obstack,
12482 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12483 New static variables.
12484 * varray.h (union varray_data_tag): New elt te.
12485 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12486 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12489 2000-03-14 Nick Clifton <nickc@cygnus.com>
12491 * gcc.c (do_spec_1): Catch the case where %* is used in a
12492 substitution pattern, but it has not been initialised.
12493 Issue a meaningful error message if an unrecognised operator
12494 is encountered in a spec string.
12496 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12498 * function.c (prepare_function_start): Correctly initialize
12499 cfun->stack_alignment_needed.
12501 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12503 * cppfiles.c (find_include_file): Don't assume nshort is a
12506 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12508 * configure.in (hppa configurations): Add pa32-regs.h to the
12509 list of tm files as appropriate.
12510 * configure: Rebuilt.
12511 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12512 register numbering.
12513 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12514 (fmpyaddoperands, fmpysuboperands): Likewise.
12515 * pa.h: Remove various definitions which depend on knowing
12516 how registers are numbered.
12517 * pa32-regs.h: New file with PA32 register numbering specific
12520 2000-03-14 Richard Henderson <rth@cygnus.com>
12522 * regmove.c (combine_stack_adjustments): New.
12523 (stack_memref_p, single_set_for_csa): New.
12524 (free_csa_memlist, record_one_stack_memref): New.
12525 (try_apply_stack_adjustment): New.
12526 (combine_stack_adjustments_for_block): New.
12527 * rtl.h (combine_stack_adjustments): Declare.
12528 * toplev.c (rest_of_compilation): Call it.
12530 * i386.md: Revert 2000-01-16 change.
12532 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12534 * gccbug.in: Add web category, gcc specific classes.
12536 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12538 * stor-layout.c (finalize_record_size): Fix typo.
12540 2000-03-14 Stan Shebs <shebs@apple.com>
12542 * c-typeck.c (c_alignof): Error on incomplete types.
12543 * extend.texi (Alignment): Document this.
12545 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12547 * cppfiles.c: Include mkdeps.h.
12548 (find_include_file, read_include_file): Remove _cpp_ prefix
12549 from name, make static.
12550 (_cpp_execute_include): New function, broken out of
12553 * cpplib.c: Don't include mkdeps.h.
12554 (struct directive): Remove type field. Reorder entries. The
12555 function takes only one argument.
12556 (struct if_stack): Make type field an int.
12557 (directive_table): Rename to dtable. Generate it, the
12558 prototypes of the directive handlers, and the enum for the
12559 directive numbers, from a template macro.
12560 (do_ifndef, do_include_next, do_import): New functions.
12561 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12562 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12563 do_ident, do_assert, do_unassert, do_sccs): Take only one
12565 (do_sccs): Define always, but alter behavior based on
12567 (_cpp_handle_directive, consider_directive_while_skipping):
12568 Restructure for new directive table layout.
12570 (pass_thru_directive): Take a directive number, not a pointer
12571 to a struct directive.
12572 (parse_include): New function, broken out of do_include.
12573 (do_include, do_import, do_include_next): Use parse_include
12574 and _cpp_execute_include.
12575 (do_elif, do_else): Test for T_ELSE specifically when checking
12576 for #elif/#else after #else.
12577 (parse_ifdef): New function, broken out of do_ifdef.
12578 (validate_else): Expect a name arg without a leading #.
12579 (if_directive_name): Delete.
12580 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12581 directive handlers with only one argument.
12583 * cpphash.h: Update prototypes.
12584 (enum node_type): Remove entries for directives.
12585 * Makefile.in: Update dependencies.
12587 * cpphash.c (dump_hash_helper): Only dump nodes of type
12588 T_MACRO. Emit a newline after each definition.
12590 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12592 * gccbug.in: New file.
12593 * configure.in (all_outputs): Add gccbug.
12594 * Makefile.in (install-common): Install gccbug.
12595 (GCCBUG_INSTALL_NAME): New variable.
12596 * configure: Rebuilt.
12598 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12600 * function.c (put_var_into_stack): Use type_for_mode to calculate
12601 part_type. Use MEM_SET_IN_STRUCT_P.
12602 * expr.c (store_field): Handle CONCAT.
12603 (store_constructor): Use fields_length.
12604 * tree.c (fields_length): New fn.
12605 * tree.h: Declare it.
12607 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12609 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12610 (cpplex.o): New target.
12611 * po/POTFILES.in: Add cpplex.c.
12613 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12614 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12615 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12616 skip_block_comment, skip_line_comment, skip_comment,
12617 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12618 _cpp_parse_name, skip_string, parse_string,
12619 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12620 _cpp_get_directive_token, find_position,
12621 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12622 (maybe_macroexpand, _cpp_lex_token): New functions.
12624 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12625 parse_goto_mark): Delete.
12626 (_cpp_handle_eof): New function.
12627 (_cpp_handle_directive): Rename from handle_directive.
12628 (_cpp_output_line_command): Rename from output_line_command.
12629 (do_if, do_elif): Call _cpp_parse_expr directly.
12630 * cppfiles.c (_cpp_read_include_file): Don't call
12631 init_input_buffer here.
12632 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12633 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12634 here; pop the token_buffer and skip the rest of the line here.
12635 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12638 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12640 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12641 CPP_GOTO_MARK): New macros.
12642 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12643 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12644 _cpp_read_and_prescan, _cpp_init_input_buffer,
12645 _cpp_grow_token_buffer, _cpp_get_directive_token,
12646 _cpp_handle_directive, _cpp_handle_eof,
12647 _cpp_output_line_command): Prototype them here.
12648 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12649 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12650 quote_string, output_line_command): Remove.
12652 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12654 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12655 whether it is too large we must also verify that it isn't negative.
12657 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12659 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12660 (movsi_zero_liveg0): Remove.
12661 (movsf_insn_novis_liveg0): Remove.
12663 (negsi2_not_liveg0): Rename to negsi2.
12664 (one_cmplsi2): Remove.
12665 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12666 (one_cmplsi2_liveg0): Remove.
12667 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12668 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12669 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12670 (PREDICATE_CODES): Remove zero_operand.
12671 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12672 TARGET_BROKEN_SAVERESTORE.
12673 (zero_operand): Remove.
12674 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12675 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12677 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12678 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12679 TARGET_BROKEN_SAVERESTORE): Remove.
12680 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12682 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12684 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12687 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12689 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12691 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12692 truncating a string. Don't assume tokens are nul terminated.
12693 Problem noted by Andreas Jaeger <aj@suse.de>
12695 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12697 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12698 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12699 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12701 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12703 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12704 STRUCTURE_SIZE_BOUNDARY.
12706 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12708 * tree.h (record_layout_info_s): New structure.
12709 (record_layout_info): New type.
12710 (new_record_layout_info): New function.
12711 (layout_field): Likewise.
12712 (finish_record_layout): Likewise.
12713 * stor-layout.c (layout_record): Remove.
12714 (new_record_layout_info): New function.
12715 (layout_field): New function, broken out from layout_record.
12716 (finalize_record_size): Likewise.
12717 (compute_record_mode): Likewise.
12718 (finalize_type_size): New function, broken out from layout_type.
12719 (finish_record_layout): Likewise.
12720 (layout_type): Use them.
12722 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12724 * cpphash.c: Don't include version.h.
12725 (special_symbol) [case T_VERSION]: Look for the string in
12726 hp->value.cpval; don't use version_string.
12727 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12728 __VERSION__ to version_string.
12729 * Makefile.in (cpphash.o): Update deps.
12731 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12733 Convert cpplib to use libiberty/hashtab.c.
12735 * cpplib.h (struct cpp_reader): Make hashtab and
12736 all_include_files of type 'struct htab *'. Delete HASHSIZE
12737 and ALL_INCLUDE_HASHSIZE macros.
12739 * cpphash.h: Update prototypes.
12740 (struct hashnode): Remove next, prev, and bucket_hdr members.
12741 Make length a size_t. Add hash member.
12742 (struct ihash): Remove next member. Add hash member. Make
12743 name a flexible array member.
12745 * cppfiles.c: Include hashtab.h.
12746 (include_hash): Delete.
12747 (IHASHSIZE): New macro.
12748 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12749 (cpp_included): Do the hash lookup here.
12750 (_cpp_find_include_file): Rewrite.
12751 (cpp_read_file): Put the "fake" hash entry into the hash
12752 table. Honor the control_macro, if it turns out we've seen
12753 the file before. Don't push the buffer here.
12754 (_cpp_read_include_file): Push the buffer here.
12755 (OMODES): New macro. Use it whenever we call open(2).
12757 * cpphash.c: Include hashtab.h.
12758 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12759 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12760 _cpp_lookup_slot): New functions.
12761 (HASHSIZE): new macro.
12762 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12763 (_cpp_lookup): Use hashtab.h routines.
12765 * cppinit.c: Include hashtab.h.
12766 (cpp_reader_init): Call _cpp_init_macro_hash and
12767 _cpp_init_include_hash. Don't allocate hashtab directly.
12768 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12769 pfile->all_include_files.
12770 (initialize_builtins): Use _cpp_make_hashnode and
12771 htab_find_slot to add hash entries.
12772 (cpp_finish): Just call _cpp_dump_macro_hash.
12773 * cpplib.c: Include hashtab.h.
12774 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12775 create hash entries.
12776 (do_pragma_poison, do_assert): Likewise.
12777 (do_include): Don't push the buffer here. Don't increment
12778 system_include_depth unless _cpp_read_include_file succeeds.
12779 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12780 or htab_remove_elt.
12781 (do_pragma_implementation): Use alloca to create copy.
12783 * Makefile.in: Update dependencies.
12785 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12787 * cppinit.c (cl_directive_handler): More K&R fixing.
12789 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12791 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12793 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
12795 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12797 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
12798 Change from char[] to macros.
12800 2000-03-12 Neil Booth <NeilB@earthling.net>
12802 * cppinit.c (cpp_start_read): Update indirect function
12805 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
12807 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
12810 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
12811 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
12813 2000-03-11 Neil Booth <NeilB@earthling.net>
12815 * cppinit.c (struct pending option): Replace undef with a
12816 pointer to a directive handling routine.
12817 (struct cpp_pending): Replace separate assert_ and define_
12818 lists with one directive_ list.
12819 (new_pending_define): Rename new_pending_directive. Extra
12820 argument is the directive's handling routine.
12821 (handle_option): Update to use new_pending_directive.
12823 2000-03-11 Neil Booth <NeilB@earthling.net>
12825 * cppfiles.c (file_cleanup, _cpp_find_include_file,
12826 remap_filename, _cpp_read_include_file, actual_directory,
12827 hack_vms_include_specification): Replace bcopy(), index() etc
12828 calls. Add casts to some allocations. Make some variables
12829 pointers to const [unsigned] char.
12830 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
12831 collect_formal_parameters): Similarly.
12832 * cppinit.c (struct pending_option, append_include_chain,
12833 cpp_options_init, cpp_reader_init, initialize_standard_includes,
12834 cpp_start_read, new_pending_define, handle_option): Similarly.
12835 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
12836 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
12837 do_pragma_implementation, detect_if_not_defined,
12838 do_ifdef, skip_if_group, cpp_get_token, parse_string,
12839 do_assert, do_unassert): Similarly.
12840 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
12841 function prototypes.
12842 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
12844 2000-03-10 Richard Henderson <rth@cygnus.com>
12846 * builtins.c (expand_builtin_strlen): Revert last change.
12847 Use emit_insn_before if we're at the beginning of a sequence.
12849 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
12851 * builtins.c (expand_builtin_strlen): Make sure that we have something
12852 at the beginning of the sequence.
12854 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
12857 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
12859 2000-03-10 Richard Henderson <rth@cygnus.com>
12861 * except.c (can_throw): Use INTVAL on a CONST_INT.
12862 (reachable_handlers): Likewise.
12863 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
12865 2000-03-10 Andreas Jaeger <aj@suse.de>
12867 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
12868 MD_STARTFILE_PREFIX since those are not needed on linux.
12869 (ASM_FILE_START): New, from mips/gnu.h.
12871 2000-03-09 Richard Henderson <rth@cygnus.com>
12872 Alex Samuel <samuel@codesourcery.com> and others
12874 * Makefile.in (ssa.o): New rule.
12876 (STAGESTUFF): Add *.ssa and *.ussa.
12877 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
12878 * rtl.def (PHI): New RTL expression.
12879 * rtl.h (clear_log_links): New declaration.
12880 (convert_to_ssa): Likewise.
12881 (convert_from_ssa): Likewise.
12882 * flow.c (split_edge): If the entry node falls through to the
12883 split edge's source block, split the entry edge.
12884 (clear_log_links): New function.
12885 * toplev.c (ssa_dump): New variable.
12886 (flag_ssa): Likewise.
12887 (f_options): Add "ssa".
12888 (compile_file): Create SSA dump files.
12889 (rest_of_compilation): Go to and from SSA if enabled.
12890 (decide_d_option): Handle -de for SSA dump files.
12893 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
12895 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
12898 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
12900 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
12902 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
12904 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
12905 (MD_STARTFILE_PREFIX_1): New macro.
12907 2000-03-09 Robert Lipe <robertl@sco.com>
12909 * config/ia64/ia64.c: Include system.h.
12911 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12913 * except.c (nothrow_function_p): If -fno-exceptions, just return.
12914 (init_eh_nesting_info): Likewise.
12916 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
12917 (TREE_NOTHROW): Rename from TREE_RAISES.
12918 * toplev.c (rest_of_compilation): Set it.
12919 * print-tree.c (print_node): Adjust.
12920 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
12921 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
12922 * calls.c (emit_call_1): Add 'nothrow' parm. Add
12923 REG_EH_REGION note as appropriate.
12924 (libfunc_nothrow): New fn.
12925 (emit_library_call, emit_library_call_value): Use it.
12926 (expand_call): Check TREE_NOTHROW.
12928 * varasm.c (make_decl_rtl): Skip initial '*' when setting
12929 DECL_ASSEMBLER_NAME.
12931 2000-03-09 Andreas Jaeger <aj@suse.de>
12933 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
12934 (TARGET_MEM_FUNCTIONS): Define.
12936 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
12938 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
12940 * except.c (can_throw): See through a SEQUENCE.
12941 (nothrow_function_p): New fn.
12942 * except.h: Declare it.
12943 * function.c (current_function_nothrow): New var.
12944 (prepare_function_start): Initialize it.
12945 * output.h: Declare it.
12946 * toplev.c (rest_of_compilation): Set it.
12947 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
12949 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
12951 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
12952 match. (cpp_compare_defs): Count the nul separator when
12953 advancing over argument names.
12955 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
12957 * recog.c (preprocess_constraints): Matching constraints affect
12958 same alternative/different operand, not same operand/different
12961 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
12962 register and a constant specially.
12964 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12966 * libgcc2.h: New file.
12967 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
12969 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
12971 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
12972 * configure: Regenerate.
12973 * config/ia64: New.
12975 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
12977 * Makefile.in (LIBCPP_DEPS): New macro.
12978 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
12979 it to declare deps.
12980 * cpperror.c: Include cpphash.h.
12981 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
12983 (lex): Don't use CPP_WARN_UNDEF.
12984 (_cpp_parse_expr): Return an int, the truth value.
12985 * cppfiles.c: Include cpphash.h.
12986 (_cpp_merge_include_chains): Move to cppinit.c and make static.
12987 * cppinit.c (include_defaults_array): Disentangle.
12988 (cpp_cleanup): Don't free the if stack here.
12989 (cpp_finish): Pop off all buffers, not just one.
12990 * cpplib.c (eval_if_expr): Return int.
12991 (do_xifdef): Rename do_ifdef.
12992 (handle_directive): Don't use CPP_PREPROCESSED.
12993 (cpp_get_token): Don't use CPP_C89.
12994 * fix-header.c: Don't use CPP_OPTIONS.
12996 * cpplib.h: Move U_CHAR, enum node_type, struct
12997 file_name_list, struct ihash, is_idchar, is_idstart,
12998 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
12999 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
13000 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
13001 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
13002 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
13003 of _cpp_simplify_pathname, _cpp_find_include_file,
13004 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
13005 Move struct if_stack to cpplib.c. Move struct cpp_pending to
13007 Change all uses of U_CHAR to be unsigned char instead.
13008 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
13010 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13012 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
13013 (dwarf2out_begin_prologue): Set it.
13014 (output_call_frame_info): Don't emit EH unwind info for leaves.
13016 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
13017 can occur outside of an EH region.
13018 * except.c: Correct comments about rethrow behavior.
13019 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
13021 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
13023 * flow.c (make_edges): Always call make_eh_edge for calls.
13025 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
13027 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
13028 (struct cpp_buffer): Remove fname and underflow fields.
13029 (struct cpp_reader): Remove get_token field.
13030 (struct include_hash): Rename to struct ihash. Add typedef to
13032 (struct if_stack): Remove fname field.
13033 (IF_STACK_FRAME): Rename to IF_STACK.
13035 * cpperror.c (print_containing_files): Trust that there are no
13036 macro buffers below the top file buffer.
13037 * cppfiles.c: Replace all references to 'struct include_hash'
13038 with 'IHASH'. Rename initialize_input_buffer to
13039 init_input_buffer. Don't set or reference cpp_buffer->fname,
13040 use buffer->ihash->name instead.
13041 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
13042 not CPP_NULL_BUFFER.
13043 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
13044 IF_STACK_FRAME, IHASH not struct include_hash.
13045 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
13046 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
13047 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
13048 references to cpp_buffer->fname (delete entirely, or use
13049 ->ihash->name instead) and IF_STACK->fname.
13050 (cpp_push_buffer): Don't set new->underflow.
13051 (do_include): Use cpp_file_buffer.
13053 * cpphash.c (collect_formal_parameters): Remove duplicate
13054 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
13055 used as a macro argument name. Don't append "..." to namebuf
13056 for varargs macros. After we're done scanning, go through
13057 namebuf and make it NUL separated, not comma separated.
13058 (_cpp_compare_defs): Remove register tag from variables.
13059 Expect defn->argnames to be NUL separated.
13060 (_cpp_dump_definition): Expect defn->argnames to be NUL
13061 separated and in forward order.
13062 * cpphash.h: Update documentation of argnames field.
13064 2000-03-08 Richard Henderson <rth@cygnus.com>
13066 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
13067 to fail. Don't pre-expand the source operand.
13069 * i386.md (strlensi): Initialize eoschar and align before use.
13071 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13073 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
13074 CONSTRUCTOR element.
13076 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13078 * mips.c (mips_expand_prologue): If the last
13079 named argument is the vararg marker "va_list", treat it as
13080 an unnamed argument.
13082 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
13084 * dbxout.c (dbxout_parms): When correcting for promoted
13085 big-endian parameters, use the mode of the DECL_RTL rather
13086 than UNITS_PER_WORD.
13088 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
13090 * c-common.h (make_fname_decl): Declare.
13091 * c-common.c (make_fname_decl): Define.
13092 (declare_hidden_char_array): Remove.
13093 (declare_function_name): Use make_fname_decl.
13094 * c-decl.c (c_make_fname_decl): New function.
13095 (init_decl_processing): Set make_fname_decl.
13097 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
13099 * cccp.c (handle_directive): Initialize backslash_newlines_p.
13101 2000-03-07 Philipp Thomas <pthomas@suse.de>
13103 * po/POTFILES.in: Remove cppalloc.c from file list.
13105 2000-03-07 Steve Chamberlain <sac@pobox.com>
13107 * pj.c (pj_expand_prologue): current_function->args_info is
13108 now current_function_args_info.
13110 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
13111 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
13112 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
13114 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13116 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
13117 output as hexadecimal rather than the default octal.
13119 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13121 * cpphash.c (special_symbol): Fix thinko in previous commit.
13123 2000-03-07 Neil Booth <NeilB@earthling.net>
13125 * cppexp.c (struct operation, left_shift, right_shift,
13126 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
13127 "int"s to "unsigned int"s.
13128 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
13130 * cpplib.h: Update for above.
13131 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
13132 returned from allocations.
13134 * cppinit.c (opt_comp, parse_options): New functions.
13135 (handle_option): Use parse_option to parse a single command
13136 line option, that possibly takes an argument.
13137 (cpp_handle_options): Sort the array of command line options on
13138 first invocation (non-ASCII hosts only).
13139 (print_help): Update.
13141 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13143 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
13144 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
13146 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
13148 * cppinit.c (cpp_cleanup): Free imp->nshort also.
13150 * cpperror.c (cpp_print_containing_files,
13151 cpp_print_file_and_line, v_cpp_message): Rename to
13152 print_containing_files, print_file_and_line, and v_message.
13153 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
13154 to _cpp_parse_expr, parse_escape, and lex.
13155 (parse_charconst): Remove broken multibyte support.
13156 * cppfiles.c (include_hash): Make static.
13157 (cpp_included): New function.
13158 (merge_include_chains, find_include_file, finclude,
13159 simplify_pathname): Rename to _cpp_merge_include_chains,
13160 _cpp_find_include_file, _cpp_read_include_file, and
13161 _cpp_simplify_pathname.
13162 * cpphash.c (cpp_lookup, free_definition, delete_macro,
13163 cpp_install, create_definition, macroexpand, compare_defs,
13164 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
13165 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
13166 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
13167 * cppinit.c (cpp_handle_option): Rename to handle_option, make
13169 * cpplib.c: Remove extern prototype of cpp_parse_expr.
13171 * cpphash.h: Update prototypes.
13172 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
13174 2000-03-07 Andrew Haley <aph@cygnus.com>
13176 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
13177 PTRDIFF_TYPE should be based solely on Pmode.
13178 (SIZE_TYPE): ditto.
13180 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13182 * rtl.h (rtunion_def): Constify member `rtstr'.
13183 (emit_line_note_after, emit_line_note, emit_line_note_force,
13184 emit_note, decode_asm_operands): Constify.
13186 * cse.c (canon_hash): Likewise.
13188 * dbxout.c (dbxout_block): Likewise.
13190 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13191 v_warning_for_asm): Likewise.
13193 * dwarfout.c (function_start_label): Likewise.
13195 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13196 emit_line_note_force): Likewise.
13198 * final.c (last_filename, asm_insn_count, final_scan_insn,
13199 output_source_line): Likewise.
13201 * function.h (struct emit_status): Likewise.
13203 * gcse.c (hash_expr_1): Likewise.
13205 * genattr.c (gen_attr, main): Likewise.
13207 * genattrtab.c (struct function_unit, current_alternative_string,
13208 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13209 attr_numeral, check_attr_test, check_attr_value,
13210 convert_set_attr_alternative, convert_set_attr,
13211 compute_alternative_mask, simplify_by_exploding, gen_attr,
13212 gen_unit): Likewise.
13214 * genflags.c (gen_insn): Likewise.
13216 * gengenrtl.c (type_from_format): Likewise.
13218 * genopinit.c (gen_insn): Likewise.
13220 * genoutput.c (n_occurrences, process_template, process_template):
13223 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13226 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13229 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13230 ggc_set_mark, ggc_get_size): Likewise.
13232 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13234 * optabs.c (init_one_libfunc): Likewise.
13236 * output.h (assemble_start_function): Likewise.
13238 * recog.c (decode_asm_operands): Likewise.
13240 * toplev.c (rest_of_compilation): Likewise.
13242 * tree.h (emit_line_note_after, emit_line_note,
13243 emit_line_note_force): Likewise.
13245 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13246 asm_emit_uninitialised, assemble_start_function,
13247 assemble_variable, const_hash, compare_constant_1,
13248 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13250 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13252 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13254 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13256 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13258 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13259 arm_dllimport_name_p): Likewise.
13261 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13264 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13266 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13268 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13269 arm_mark_dllexport, arm_mark_dllimport,
13270 arm_pe_encode_section_info): Likewise.
13272 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13273 ASM_FINISH_DECLARE_OBJECT): Likewise.
13275 * arm/thumb.c (thumb_function_prologue): Likewise.
13277 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13279 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13281 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13283 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13285 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13287 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13289 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13290 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13292 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13294 * i386/i386.c (asm_output_function_prefix): Likewise.
13296 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13298 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13300 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13302 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13303 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13304 ASM_OUTPUT_SECTION_NAME): Likewise.
13306 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13308 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13310 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13312 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13314 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13316 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13318 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13320 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13322 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13324 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13326 * mips/mips.md (movdi, movsi): Likewise.
13328 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13330 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13332 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13334 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13335 ASM_OUTPUT_ASCII): Likewise.
13337 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13338 output_mi_thunk, output_toc): Likewise.
13340 * rs6000/rs6000.md (movsi): Likewise.
13342 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13344 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13346 * v850/v850.c (print_operand, print_operand_address,
13347 v850_encode_data_area): Likewise.
13349 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13351 * config/mips/mips.md (zero_extendsidi2): Always force operand
13352 one to memory for mips16.
13354 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13356 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13357 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13358 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13359 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13360 (min_precision): Result is unsigned.
13361 (add_double, neg_double, mul_double): Low word is unsigned.
13362 (lshift_double, rshift_double, lrotate_double): Likewise.
13363 (rrotate_double, div_and_round_double): Likewise.
13364 (tree_floor_log2, compare_tree_int): New functions.
13365 (preserve_rtl_expr_temps): New declaration.
13366 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13367 (decl_attributes): Use tree_log2 to find alignment.
13368 Check for TREE_INT_CST_HIGH for format args.
13369 (min_precision): Now unsigned.
13370 Use tree_floor_log2.
13371 (truthvalue_conversion): Delete long-disabled code.
13372 * c-decl.c (finish_struct): Clean up tests on field width.
13373 (finish_function): Use compare_tree_int.
13374 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13375 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13376 (default_conversion, digest_init): Use compare_tree_int.
13377 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13378 Fix type errors in forming masks.
13379 * calls.c (initialize_argument_information): Use compare_tree_int.
13380 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13381 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13382 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13383 (store_field): Use compare_tree_int.
13384 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13385 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13386 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13387 (do_store_flag): Use compare_tree_int.
13388 * fold-const.c (encode, decode): Low part is always unsigned.
13389 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13390 (lshift_double, rshift_double, lrotate_double): Likewise.
13391 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13392 (fold_convert): Use compare_tree_int.
13393 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13394 (invert_truthvalue, case INTEGER_CST): Likewise.
13395 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13396 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13397 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13398 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13400 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13401 (expand_end_case): Use compare_tree_int.
13402 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13403 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13404 (layout_decl): Likewise.
13405 (layout_record, layout_union): Make sizes unsigned.
13406 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13407 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13408 * tree.c (struct type_hash): hashcode is unsigned.
13409 (build_type_attribute_variant, type_hash_list): Likewise.
13410 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13411 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13412 (build_complex_type): Likewise.
13413 (real_value_from_int_cst): Remove unneeded casts.
13414 (integer_all_onesp): Add casts.
13415 (tree_floor_log2, compare_tree_int): New functions.
13416 (build_index_type): Use tree_int_cst_sgn.
13417 * varasm.c (assemble_variable): Use compare_tree_int.
13419 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13421 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13423 * varasm.c (make_decl_rtl): Don't add a number to members of
13425 (make_function_rtl): Likewise.
13427 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13429 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13430 patch from 2000-01-28.
13432 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13434 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13435 filled with an insn from the jump target.
13437 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13439 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13440 (c4x_external_ref): Likewise.
13441 * config/c4x/c4x.c (struct name_list): Likewise.
13443 1999-12-16 Ben Collins <bcollins@debian.org>
13445 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13446 argument to genmultilib.
13447 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13448 the contents into the multilib.h header.
13449 * gcc.c: Declare multilib_exclusions for the specs file.
13450 (set_multilib_dir): Use it.
13451 (print_multilib_info): Likewise.
13452 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13453 to pass to genmultilib.
13455 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13457 * builtins.c (built_in_class_names, built_in_names): Constify a
13460 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13462 (_mcleanup): Ensure value matches format specifier in sprintf.
13464 * cpphash.c (special_symbol): Don't needlessly cast away
13467 * cppinit.c (base_name): Delete unused prototype.
13469 * mkdeps.c (deps_init): Make definition K&R safe.
13471 * tree.h (built_in_class_names, built_in_names): Constify a
13474 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13476 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13477 floating point instructions for epilogue delay.
13479 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13480 to gas if it supports .register pseudo.
13482 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13483 LONG_DOUBLE_TYPE_SIZE if not defined.
13484 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13485 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13486 * real.c: Likewise.
13487 * gengenrtl.c: Likewise.
13488 * print-rtl.c: Likewise.
13490 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13491 MASK_LONG_DOUBLE_128.
13492 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13493 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13494 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13495 (SUBTARGET_SWITCHES): Define.
13496 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13497 with -mlong-double-128.
13498 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13499 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13500 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13501 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13502 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13503 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13504 with -mlong-double-128.
13505 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13506 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13507 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13508 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13509 TARGET_LONG_DOUBLE_128): Define.
13510 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13511 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13512 long double on TARGET_ARCH64.
13514 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13516 * function.c (free_temps_for_rtl_expr): Don't free slots
13517 that have been pushed into a higher level.
13520 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13522 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13524 * basic-block.h (ALLOCA_REG_SET): Remove.
13525 (INITIALIZE_REG_SET): New macro.
13526 * flow.c (update_life_info): Use it.
13527 (calculate_global_regs_live): Likewise.
13528 (propagate_block): Likewise.
13529 * global.c (build_insn_chain): Likewise.
13530 * haifa-sched.c (schedule_region): Likewise.
13532 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13534 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13535 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13536 (DWARF_ARANGES_PAD_SIZE): New define.
13537 (output_aranges): Use it to pad the address range header.
13538 (DWARF_ROUND): Fix for non power of 2 rounding.
13540 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13542 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13544 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13546 * tree.def (RTL_EXPR): Update documentation.
13547 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13548 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13549 * function.c (preserve_rtl_expr_temp): New function.
13550 (preserve_rtl_expr_temps): Likewise.
13551 (preserve_rtl_expr_result): Use it.
13554 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13556 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13558 * regmove.c (copy_src_to_dest) Do not create src->dest move
13559 for unchanging destination.
13561 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13563 * function.h (struct sequence_stack): Remove rtl_expr.
13564 (struct emit_staus): Likewise.
13565 (seq_rtl_expr): Remove.
13566 * tree.h (free_temps_for_rtl_expr): Don't declare.
13567 (start_sequence_for_rtl_expr): Likewise.
13568 * rtl.h (preserve_rtl_expr_result): Likewise.
13569 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13570 (start_sequence_for_rtl_expr): Remove.
13571 (push_topmost_sequence): Don't save sequence_rtl_expr.
13572 (pop_topmost_sequence): Remove comment about not restoring it.
13573 (end_sequence): Don't set seq_rtl_expr.
13574 (init_emit): Don't initialize it.
13575 (mark_sequence_stack): Don't mark it.
13576 (mark_emit_status): Likewise.
13577 * except.c (protect_with_terminate): Use
13578 start_sequence_for_rtl_expr, not start_sequence.
13579 * expr.c (expand_expr, case RTL_EXPR): Don't call
13580 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13581 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13582 (preserve_rtl_expr_result): Remove.
13583 (free_temps_for_rtl_expr): Likewise.
13584 (pop_temp_slots): Likewise.
13585 (mark_temp_slot): Don't mark the rtl_expr.
13586 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13587 start_sequence_for_rtl_expr.
13589 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13591 * mkdeps.c, mkdeps.h: New files.
13592 * po/POTFILES.in: Add them.
13593 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13594 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13595 (mkdeps.o): New target.
13597 * cppfiles.c: Delete deps_output.
13598 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13599 OBJECT_SUFFIX, and base_name.
13600 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13602 (initialize_dependency_output): Use deps_init,
13603 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13604 all the unnecessary string bashing.
13605 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13607 * cpplib.c (do_include): Use deps_add_dep.
13608 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13609 deps_allocated_size, deps_size, deps_column members with
13610 single pointer to a struct deps. Delete prototype of
13613 * cppinit.c: Fix thinko in previous patch.
13615 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13617 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13618 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13619 (mode_for_size_tree): New function.
13620 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13621 * tree.h (mode_for_size_tree): New declaration.
13623 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13625 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13627 * stmt.c (is_body_block): Move...
13628 * dwarfout.c, dwarf2out.c: ...from here.
13629 * tree.h: Declare it.
13630 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13631 * final.c (final_start_function): Do call remove_unnecessary_notes
13634 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13636 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13638 * cpplib.h (_dollar_ok): New macro.
13639 (is_idchar, is_idstart): Use it.
13640 (IStable): Rename to _cpp_IStable. Declare it const if
13641 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13642 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13643 is_space): Update for renamed IStable.
13645 * cppinit.c: Delete all references to FAKE_CONST and CAT
13646 macros. Define init_IStable as empty macro if gcc >=2.7 or
13647 C99. Change TABLE() to ISTABLE and hardcode name of table.
13648 (cpp_start_read): Don't change the IStable based on
13651 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13652 changed. Handle '$' for char1 correctly.
13653 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13655 * cppexp.c (tokentab2): Make const.
13656 (cpp_lex): Make toktab const.
13657 * cppinit.c (include_defaults_array): Make const.
13658 (initialize_standard_includes): Make default_include const.
13660 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13662 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13663 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13664 (gen_decl_die): Likewise.
13665 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13666 (output_decl): Likewise.
13668 * varasm.c (make_function_rtl): If we change the name used in the
13669 rtl, update DECL_ASSEMBLER_NAME accordingly.
13670 (make_decl_rtl): Likewise.
13672 * toplev.c (rest_of_compilation): Tweak formatting.
13674 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13675 remove_unnecessary_notes.
13676 (debug_ignore_block): New fn.
13677 * toplev.h: Declare it.
13678 * emit-rtl.c (remove_unncessary_notes): Call it.
13679 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13680 * dwarf2out.h: Declare it.
13681 * final.c (final_start_function): Don't call remove_unnecessary_notes
13682 if we did insn scheduling.
13684 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13686 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13687 * cpplib.h: Delete SET_CPP_PEDANTIC.
13689 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13691 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13692 result is a RECORD_TYPE.
13694 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13696 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13698 2000-03-03 Richard Henderson <rth@cygnus.com>
13700 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13701 addition over compliments over shifts.
13703 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13705 * reload1.c (reload_combine_note_use): Handle return register USEs.
13706 REG case: Handle multi-hard-register hard regs.
13708 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13710 * md.texi: Document use of '*' in insn pattern name.
13712 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13714 * calls.c (special_function_p): operator new may not be malloc-like.
13716 * gcse.c (dump_hash_table): Really fix error in last change.
13718 2000-03-02 Denis Chertykov <denisc@overta.ru>
13720 * avr.c (print_operand): Use print_operand_address instead of
13722 * avr/libgcc.S: Cleanup code.
13724 2000-03-02 Richard Henderson <rth@cygnus.com>
13726 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13728 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13730 * tree.h (TYPE_ALIGN_UNIT): New macro.
13732 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13734 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13736 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13738 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13740 (SET_CPP_PEDANTIC): New macro.
13741 * cpplib.c (do_include): Don't bother checking system_header_p.
13742 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13743 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13745 * function.h (struct expr_status): Add x_arg_space_so_far.
13746 (arg_space_so_far): New macro.
13747 * expr.c (init_expr): Initialize it.
13748 * calls.c (emit_call_1): Reset it.
13749 (compute_argument_block_size, expand_call): Use it.
13750 (expand_call, store_one_arg): Increment it.
13752 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13754 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13757 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13759 * cppfiles.c (cpp_read_file): New function.
13761 * cpphash.c (collect_expansion): Make sure to reset last_token
13762 to NORM when we hit a string. Handle trailing whitespace
13763 properly when the expansion is empty.
13764 (create_definition): Disable line commands while parsing the
13766 (dump_definition): If pfile->lineno == 0, output a line
13767 command ahead of the dump, and add a trailing newline.
13769 * cppinit.c (append_include_chain): Add fifth argument, which
13770 indicates whether or not system headers are C++ aware.
13771 (initialize_standard_includes): New function,
13772 broken out of read_and_prescan. Pass 'cxx_aware' value from
13773 the include_defaults_array on to append_include_chain.
13774 (dump_special_to_buffer): Const-ify char array.
13775 (builtin_array): Don't dump __BASE_FILE__.
13776 (cpp_start_read): Use cpp_read_file. Reorder code for
13777 clarity. Don't output line commands here for -D/-A/-U
13778 switches. Don't call deps_output for files included with
13779 -include or -imacros.
13781 * cpplib.c (do_define): Don't pay any attention to the second
13783 (cpp_expand_to_buffer): Disable line commands while scanning.
13784 (output_line_command): Work in the file buffer.
13785 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13786 Fix formatting of comments. Prototype cpp_read_file.
13788 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13790 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13791 reference the language-equivalent of sizetype.
13792 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13793 * fold-const.c (size_binop, size_diffop): Put back checks.
13794 * gcse.c (dump_hash_table): Fix minor error in last change.
13795 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
13796 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
13799 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
13801 * calls.c (expand_call) Do not attempt to combine stack adjustments
13802 with inhibit_defer_pop set.
13804 2000-03-01 Mark Mitchell <mark@codesourcery.com>
13806 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
13807 the DECL_SIZE for a FIELD_DECL.
13809 2000-03-01 Bruce Korb <bkorb@gnu.org>
13811 * fixinc/inclhack.tpl: remove unused symlinks
13812 * fixinc/README: GCC Maintainer info
13813 * fixinc/inclhack.sh: regen
13814 * fixinc/fixincl.sh: regen
13816 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
13818 * cpphash.c (collect_expansion): Trim trailing white space
13819 from macro definitions, but don't go past the last insertion
13822 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
13824 * i386.md (mulqi3): New pattern.
13826 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
13828 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
13830 (struct cpp_reader): Add parsing_if_directive and
13831 parsing_define_directive flags.
13832 (struct cpp_options): Remove output_conditionals flag.
13833 (check_macro_name): Delete prototype.
13835 * cpphash.h (struct macrodef): Delete.
13836 (struct reflist): Separate from struct definition.
13837 (struct definition): Remove unused fields. Add column number.
13838 (create_definition): Returns a DEFINITION *. Takes a
13839 cpp_reader * and an int.
13841 * cpphash.c (SKIP_WHITE_SPACE): Delete.
13842 (PEEKC): Copy defn from cpplib.c.
13843 (rest_extension, REST_EXTENSION_LENGTH): Delete.
13845 (struct arglist): Simplify.
13846 (collect_expansion): Rewrite. Get tokens by calling
13847 cpp_get_token. Add more error checking.
13848 (collect_formal_parameters): New function, broken out of
13849 create_definition and reworked to use get_directive_token.
13850 (create_definition): All real work is now in collect_expansion
13851 and collect_formal_parameters. do_define handles finding the
13852 macro name. Return a DEFINITION, not a MACRODEF.
13853 (macroexpand): Replace bcopy with memcpy throughout. Replace
13854 character-at-a-time copy loop with memcpy and pointer increments.
13855 (compare-defs): d1->argnames / d2->argnames might be null.
13857 * cpplib.c (copy_rest_of_line): Delete function.
13858 (skip_rest_of_line): Do all the work ourselves.
13859 (skip_string): New function.
13860 (parse_string): Use skip_string.
13861 (get_macro_name): New function.
13862 (check_macro_name): Delete.
13863 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
13864 (cpp_skip_hspace): Use CPP_BUMP_LINE.
13865 (handle_directive): ICE if we're called on a macro buffer.
13866 (do_define): Determine macro name and type (funlike/objlike)
13867 here. Expunge all uses of MACRODEF.
13868 (cpp_push_buffer): Set line_base to NULL.
13869 (do_undef, read_line_number): Don't worry about getting a POP token.
13870 (eval_if_expression): Set/reset parsing_if_directive around
13871 cpp_parse_expr. Don't clear only_seen_white.
13872 (skip_if_group): Remove output_conditionals logic. Use
13874 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
13875 tokens under appropriate conditions.
13876 (cpp_unassert): Call do_unassert not do_assert. Oops.
13878 * cppexp.c (parse_defined): New function, break out of
13880 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
13881 ourselves, with cpp_defined.
13882 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
13884 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
13885 * gcc.dg/strpaste-2.c: New.
13887 2000-02-29 Mark Mitchell <mark@codesourcery.com>
13889 * fold-const.c (size_binop): Don't asert inputs are the same and
13890 have TYPE_IS_SIZETYPE set.
13891 (size_diffop): Likewise.
13893 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
13895 * dwarfout.c (output_block): Output abstract blocks even if they
13896 don't have TREE_ASM_WRITTEN set.
13898 * calls.c (emit_library_call): Check for null REG.
13900 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
13902 * c-decl.c (current_function_decl): Move to toplev.c.
13903 (init_decl_processing): Don't add current_function_decl as a ggc
13905 * dbxout.c (dbxout_symbol): Change return type to int.
13906 (dbxout_symbol_location, dbxout_syms): Likewise.
13907 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
13908 any locals. Use current_function_func_begin_label if set.
13909 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
13910 * dwarf2out.c (dwarf2out_begin_prologue): Set
13911 current_function_func_begin_label.
13912 * final.c (final_start_function): Reset it.
13913 * toplev.c (current_function_decl): Define it here.
13914 (current_function_func_begin_label): New variable.
13915 (main): Add both as ggc roots.
13916 * tree.h (current_function_func_begin_label): Declare.
13918 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13920 * gcse.c: Cleanups throughout: mostly white-space, but also
13921 some minor rearrangement of code.
13923 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
13925 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
13926 returns a PARALLEL. Use emit_group_load and use_group_regs
13928 (emit_library_call_value): Similarly.
13930 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
13931 * pa/quadlib.asm: Remove.
13932 * pa/quadlib.c: New file.
13934 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
13935 * configure: Rebuilt.
13937 2000-02-29 Philip Blundell <pb@futuretv.com>
13939 * config/arm/conix-elf.h: New file.
13940 * configure.in (arm*-*-conix*): New configuration.
13941 * configure: Regenerate.
13943 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
13945 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
13946 don't have TREE_ASM_WRITTEN set.
13948 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13950 * Eliminate DECL_FIELD_SIZE.
13951 * builtins.c (built_in_class_names, built_in_names): New variables.
13952 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
13953 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
13954 DECL_SIZE, not DECL_FIELD_SIZE.
13955 * print-tree.c (print_node): Remove code that prints extra blank
13956 lines in some cases.
13957 Properly handle inline and builtin function cases.
13958 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
13959 * tree.h (built_in_class_named, built_in_names): New declarations.
13960 (union tree_decl): Rename internal unions to u1 and u2 and change
13961 some of their components.
13962 Add new field built_in_class.
13963 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
13964 Reflect above changes.
13965 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
13966 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
13967 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
13968 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
13970 2000-02-28 Dmitri Makarov <dim@windriver.com>
13972 * extend.texi: Document ARM's support for long/short calls.
13974 * invoke.texi: Document ARM's -mlong-calls command line switch.
13976 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
13977 (arm_encode_call_attribute): Add prototype.
13978 (arm_set_default_type_attribute): Add prototype.
13979 (arm_strip_name_encoding): Add prototype.
13981 * config/arm/arm.c (arm_init_cumulative_args): replace
13982 initialisation og 'long_calls' field with initialisation of
13983 'call_cookie' field.
13984 (enum arm_pragma_enum): New enum.
13985 (arm_pragma_long_calls): New static variable.
13986 (arm_process_pragma): Also process "#pragma long_calls_off".
13987 (arm_valid_type_attribute_p): Accept short_call attribute.
13988 (arm_comp_type_attributes): Check long/short call attributes.
13989 (arm_encode_call_attribute): New function: Encode long_call
13990 or short_call attribute in function name.
13991 (arm_set_default_type_attributes): New function: Assign
13992 default attributes to newly defined type.
13993 (current_file_function_operand): New function: Return true if
13994 the symbol is a function which has already been compiled.
13995 (arm_is_longcall_p): New function: Return true if the
13996 indicated function should be called via a long call.
13997 (arm_get_strip_length): New function. Returns number of
13998 prefix characters to be stripped from a function's name.
13999 (arm_strip_name_encoding): New function. Strip prefix characters
14000 from a function's name.
14002 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
14003 with 'call_cookie'.
14004 (SHORT_CALL_FAG_CHAR): Define.
14005 (LONG_CALL_FAG_CHAR): Define.
14006 (ENCODED_SHORT_CALL_ATTR_P): Define.
14007 (ENCODED_LONG_CALL_ATTR_P): Define.
14008 (ARM_NAME_ENCODING_LENGTHS): Define.
14009 (STRIP_NAME_ENCODING): Define.
14010 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
14011 (ARM_ENCODE_CALL_TYPE): Define.
14012 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
14013 (ARM_DECLARE_FUNCTION_SIZE): Define.
14014 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
14016 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
14017 if a long call is needed.
14018 (call_value): Ditto.
14019 (call_symbol): Ditto.
14021 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
14022 ARM_DECLARE_FUNCTION_SIZE.
14024 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
14025 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
14026 (ARM_STRIP_NAME_ENCODING): Undefine.
14027 (STRIP_NAME_ENCODING): Undefine.
14028 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
14029 (ASM_DECLARE_FUNCTION_NAME): Ditto.
14030 (ASM_OUTPUT_COMMON): Ditto.
14031 (ASM_DECLARE_OBJECT_NAME): Ditto.
14033 * config/arm/pe.c (arm_dllexport_name_p): Check for
14035 (arm_dllimport_name_p): Ditto.
14036 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
14037 (arm_mark_dllimport): Ditto.
14039 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14041 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
14043 2000-02-28 Mark Mitchell <mark@codesourcery.com>
14045 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
14047 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
14049 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
14050 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
14051 NO_BUILTIN_WCHAR_TYPE is not defined.
14052 (CPP_WCHAR_TYPE): Delete.
14053 * cccp.c (main): Don't change wchar_type if cplusplus.
14054 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
14056 2000-02-28 Nick Clifton <nickc@cygnus.com>
14058 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
14060 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
14062 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
14063 (ASM_WEAKEN_LABEL): Define.
14065 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
14067 * expr.c (store_constructor): Do not emit USE.
14068 * rtl.h (stupid_life_analysis): Remove.
14070 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14072 * function.c (number_blocks): Reset next_block_index based on
14073 what debugging format is used, not what is defined.
14075 * lcm.c: Minor reformatting throughout.
14076 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
14078 * toplev.c (rest_of_compilation): Account for time in
14079 optimize_mode_switching.
14081 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
14082 if only marking labels.
14084 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
14086 * calls.c (expand_call): Attempt to combine stack adjustments with
14087 pending stack adjustments.
14089 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14091 * loop.c (reg_in_basic_block_p): Don't abort when falling through
14092 to the end of the function.
14094 2000-02-27 Mark Mitchell <mark@codesourcery.com>
14096 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
14098 * final.c (next_block_index): Remove.
14099 (max_block_depth): Likewise.
14100 (pending_blocks): Likewise.
14101 (init_final): Don't initialize them.
14102 (final_start_function): Don't set next_block_index. Set up
14104 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
14105 * function.h (number_blocks): New function.
14106 * function.c (get_block_vector): New function.
14107 (identify_blocks): Use it.
14108 (reorder_blocks): Set NOTE_BLOCK.
14109 (number_blocks): New function.
14110 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
14111 * tree.h (BLOCK_NUMBER): New macro.
14112 (tree_block): Add block_num field.
14113 * dbxout.c (next_block_number): Remove.
14114 (dbxout_init): Don't set it.
14115 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
14116 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
14118 * toplev.c (rest_of_compilation): Always call
14119 find_loop_tree_blocks. Fix indentation.
14120 * dwarf2out.c (next_block_number): Remove.
14121 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14122 to determine block numbers.
14123 (gen_inlined_subroutine_die): Likewise.
14124 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
14125 (decls_for_scope): Don't increment next_block_number.
14126 * dwarfout.c (next_block_number): Remove.
14127 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14128 to determine block numbers.
14129 (output_inlined_subroutine_die): Likewise.
14130 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
14131 (output_decls_for_scope): Don't increment next_block_number.
14132 * sdbout.c (next_block_number): Remove.
14133 (sdbout_block): Use BLOCK_NUMBER.
14134 (sdbout_begin_block): Simplify.
14135 * xcoffout.c (next_block_number): Remove.
14136 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
14137 (xcoffout_begin_block): Don't set next_block_number.
14138 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
14141 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14143 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
14144 (expand_builtin_strcpy): Pass correct type to size_binop.
14145 (expand_builtin_strcmp): Likewise.
14146 Clean up conditional structure.
14147 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
14148 (complete_array_type): Don't use size_binop for MAXINDEX.
14149 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
14150 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
14151 (c_alignof): Use size_one_node.
14152 (build_unary_op): Pass arg of proper type to size_binop.
14153 (really_start_incremental_init, push_init_level): Use sizetype for
14154 constructor{,_bit,_unfilled}_index.
14155 (pop_init_label, output_init_element): Likewise.
14156 (output_pending_init_elements, process_init_element): Likewise.
14157 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
14158 * expr.c (store_expr): Use size_int.
14159 (store_constructor): Use proper types for size_binop args.
14160 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
14161 (expand_expr_unaligned): Likewise.
14162 (string_contant): Return object of sizetype.
14163 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
14164 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
14165 (ARGS_SIZE_TREE): Pass proper types to size_binop.
14166 * fold-const.c (int_const_binop): Refine when size_int is called.
14167 (fold_convert): Likewise.
14168 (size_int_wide): Rework to take KIND as arg, only take low order
14169 bits, handle new sizetype_tab datatype, and chain entries in
14171 (size_int_type_wide): New function.
14172 (size_binop): Validate types of arguments.
14173 (ssize_binop): Deleted.
14174 (size_diffop): New function.
14175 (extract_muldiv): Only fold division into multiplication for sizetypes.
14176 * function.c (assign_parms): Use size_diffop and make sure
14177 VAR field is of ssizetype; also pass proper type to size_binop.
14178 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
14179 (round_down): Deleted from here.
14180 * store-layout.c (sizetype_tab): Now an array.
14181 (sizetype_set, early_root_list): New variables.
14182 (variable_size): Use size_one_node.
14183 (round_up): Pass proper type to size_binop.
14184 (round_down): Moved to here and corrected as above.
14185 (layout_record): Pass proper arg types to size_binop.
14186 (layout_type): Likewise.
14187 If sizetype_set is zero, record the type just laid out.
14188 (make_unsigned_type): Don't call set_sizetype;
14189 (make_signed_type): Likewise; also, call fixup_signed_type.
14190 (initialize_sizetypes): New function.
14191 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14192 set name of bitsizetype to "bit_size_type".
14193 Fix up type of sizes of all types made before call.
14194 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14195 * tree.c (fix_sizetype): Deleted.
14196 (build_common_tree_nodes): Call initialize_sizetypes.
14197 (build_common_tree_nodes_2): Don't call fix_sizetype.
14198 * tree.h (TYPE_IS_SIZETYPE): New macro.
14199 (initialize_sizetype): New declaration.
14200 (enum size_type_kind): New type.
14201 (struct sizetype_tab): Deleted.
14202 (sizetype_tab): Now array; adjust sizetype macros.
14203 (size_diffop, size_int_type_wide): New functions.
14204 (size_int_wide): Change number of args and type; access macros changed.
14205 (ssize_int, sbitsize_int): New macros.
14206 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14207 (ROUND_TYPE_SIZE_UNIT): New macro.
14209 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14211 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14213 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14215 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14216 Mark as possibly unused.
14218 * cse.c (cse_insn): Delete dead code involving tablejump.
14219 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14221 * Makefile.in (libcpp.a): Start by deleting it.
14223 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14225 * cpplib.h (enum file_change_code): Added rename_file.
14226 * cpplib.c (do_line): If a filename is given, set file_change to
14228 (output_line_command): If file_change is rename_file, always
14229 output a # directive with the file name.
14231 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14233 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14235 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14236 when copying a PARM_DECL or RESULT_DECL.
14238 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14240 * fix-header.c (recognized_function): Also fix prototypes for
14241 functions taking "void".
14243 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14245 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14246 looking at reg_reloaded_contents.
14248 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14250 * Makefile.in (STMP_FIXINC): New toggle.
14251 (LIBGCC2_DEPS): Delete all references.
14252 (stmp-headers): Delete target. All references either deleted
14253 or changed to stmp-int-headers.
14254 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14255 (LIBCPP_OBJS): Take out cppalloc.o.
14256 (cppalloc.o): Delete target.
14257 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14258 (gen-protos, fix-header): Link with libiberty.a.
14259 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14262 * configure.in: Remove refs to strerror.
14263 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14264 * system.h: Take out strerror stanza.
14266 * cpperror.c (my_strerror): Delete function.
14267 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14268 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14269 * cppalloc.c: Delete file.
14270 * gen-protos.c: Don't provide xrealloc.
14272 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14273 xstrerror throughout.
14275 2000-02-26 Bruce Korb <bkorb@gnu.org>
14277 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14278 match for DOS headers, too.
14279 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14281 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14283 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14284 is right for most ELF targets.
14285 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14286 Let the default file use %U properly.
14287 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14290 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14293 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14295 * toplev.c (documented_lang_options): Correct spelling error.
14296 (decode_d_option, decode_f_option, main): Likewise.
14298 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14300 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14301 to tell assembler it is permitted to expand large constants.
14303 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14305 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14306 (aux_info_suffix): Use.
14307 (SAVE_SUFFIX): New macro.
14308 (save_suffix): Use.
14309 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14310 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14311 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14313 * invoke.texi (Running Protoize): Update documentation.
14315 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14317 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14319 2000-02-25 John Wehle (john@feith.com)
14321 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14323 2000-02-25 Anthony Green <green@cygnus.com>
14325 * toplev.c (rest_of_compilation): Rebuild jump labels if
14326 combine_instructions has created a new direct jump.
14327 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14329 (combine_instructions): Call try_combine with new argument.
14330 Return non-null value when new direct jump instruction is created.
14331 * rtl.h: combine_instructions returns an int.
14333 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14335 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14336 jump when changing a computed jump into a jump to a known
14339 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14341 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14342 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14344 * i386.md (define_expand "clrstrsi"): Fix typo.
14346 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14348 * rtl.texi: Fix typo.
14350 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14352 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14353 UNITS_PER_WORD. Change caller initial_elimination_offset.
14354 (rounded_frame_size): Take into account that argument pushed has
14355 changed. Fix TARGET_ALIGN_DOUBLE problem.
14357 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14359 * haifa-sched.c (schedule_block): Explain the real reason
14360 we delete REG_SAVE_NOTEs on the first insn of a block.
14361 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14363 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14365 * input.h (push_srcloc): New function.
14366 (pop_srcloc): Likewise.
14367 * toplev.c (push_srcloc): Define it.
14368 (pop_srcloc): Likewise.
14370 2000-02-24 Richard Henderson <rth@cygnus.com>
14372 * flow.c (life_analysis): When collecting reg info, clear
14375 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14377 Fix bug exposed by reload.c no longer rounding the frame
14378 size to BIGGEST_ALIGNMENT:
14379 * sh.c (rounded_frame_size): New function.
14380 (sh_expand_prologue, sh_expand_epilogue): Use it.
14381 (initial_elimination_offset): Likewise.
14383 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14385 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14386 * sh-protos.h (sh_need_epilogue): Declare.
14387 * sh.c (sh_need_epilogue_known): New static variable.
14388 (sh_need_epilogue): New function.
14389 (function_epilogue): Clear need_epilogue_known.
14390 * sh.md (return): Split into expander / insn pattern.
14391 Make the expander conditional on ! sh_need_epilogue ().
14393 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14395 * machmode.h (get_mode_alignment): Declare.
14396 (GET_MODE_ALIGNMENT): Call it.
14397 * stor-layout.c (get_mode_alignment): New function. Make
14398 sure alignment is always power of 2.
14400 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14402 * i386.h: Remove useless definition of "I386" and misleading
14405 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14407 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14408 under which TREE_PERMANENT will be set.
14409 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14410 build1): Use TREE_SET_PERMANENT.
14411 * print-tree.c (print_node): Don't report value of
14412 TREE_PERMANENT if ggc_p is true.
14414 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14415 decide whether to give a type a new alias set.
14416 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14417 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14418 of value of 'obstack'.
14421 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14423 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14425 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14427 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14428 * cpplib.c (cpp_get_token): Produce them.
14429 * cppexp.c (cpp_lex): Handle them.
14431 2000-02-23 Nick Clifton <nickc@cygnus.com>
14433 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14434 comment tests on type attributes.
14436 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14438 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14439 conform to documentation.
14440 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14441 to check for special cases.
14442 * sh-protos.h (sh_loop_align): Declare.
14443 * sh.c (sh_loop_align): Define.
14445 2000-02-22 Andrew Haley <aph@cygnus.com>
14447 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14448 (SIZE_TYPE): Is 32 bits when using -mgp32.
14449 (PTRDIFF_TYPE): Ditto.
14451 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14453 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14455 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14457 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14458 BIGGEST_FIELD_ALIGNMENT a constant.
14460 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14462 * dwarf2out.c (output_line_info): Put the marker for the end of
14463 the line number info at the actual end.
14464 (gen_struct_or_union_type_die): Use decl_function_context
14465 to check for local classes.
14466 * dwarfout.c (output_type): Likewise.
14468 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14470 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14471 for arguments with a mode, but no type.
14472 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14473 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14474 * pa/long_double.h: New file.
14475 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14476 both have 128bit wide long doubles.
14477 * configure: Rebuilt.
14479 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14481 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14483 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14484 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14485 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14487 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14489 * integrate.c (compare_blocks, find_block): Likewise.
14491 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14493 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14495 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14496 expand_asm_operands): Likewise.
14498 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14500 * predict.c (estimate_probability): Added the pointer heuristic to
14501 the collection of static branch predictors.
14503 2000-02-21 Catherine Moore <clm@cygnus.com>
14505 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14506 * invoke.texi (-mfix7000): Document.
14508 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14510 * diagnostic.c (init_output_buffer): Make it possible to output at
14511 least 32 characters if we're given a too long prefix.
14513 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14515 * varasm.c (initializer_constant_valid_p): Call
14516 lang_expand_constant to simplify the constant.
14518 2000-02-20 Bruce Korb <bkorb@gnu.org>
14520 * fixinc/inclhack.def(stdio_va_list):
14521 typedef needs to be disabled.
14522 * fixinc/inclhack.sh: regen
14523 * fixinc/fixincl.x: regen
14525 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14527 * print-rtl.c (print_rtx): Don't print addresses when
14528 flag_dump_unnumbered.
14530 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14532 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14534 (sparc_va_arg, sparc_flat_output_function_prologue,
14535 sparc_flat_output_function_epilogue): Cast value to unsigned in
14537 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14539 * sparc.md: Add default case in switch.
14541 2000-02-19 Richard Henderson <rth@cygnus.com>
14543 * c-typeck.c (add_pending_init): Don't abort for multiple
14544 fields at the same offset.
14545 (pending_init_member): Test the correct member.
14547 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14549 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14551 (start_catch_handler) : Same.
14553 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14555 * Makefile.in: Have flow.o depend on $(EXPR_H)
14557 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14559 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14560 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14561 (finish_decl): Remove -Wlarger-than code from here.
14562 * flags.h (id_clash_len): Now int.
14563 (larger_than_size): Now HOST_WIDE_INT.
14564 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14565 Clean up checking to see if in table.
14566 (make_bit_field_ref): Remove extra parm to bitsize_int.
14567 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14568 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14569 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14570 and for computing size of decl.
14571 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14572 Move -Wlarger-than code to here.
14573 (layout_record): Remove extra arg to bitsize_int.
14574 Set TYPE_BINFO_SIZE_UNIT.
14575 (layout_union): Remove extra arg to bitsize_int.
14576 Use proper type for size of QUAL_UNION.
14577 (layout_type): Remove extra arg to bitsize_int.
14578 * toplev.c (id_clash_len): Now int.
14579 (larger_than_size): Now HOST_WIDE_INT.
14580 (decode_W_option): Clean up id-clash and larger-than- cases.
14581 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14582 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14583 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14584 (struct tree_decl): New field size_unit.
14585 (size_int_wide): No HIGH operand; NUMBER is now signed.
14586 (size_int_2): Deleted.
14587 (size_int, bitsize_int): Don't use it and rework args.
14588 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14590 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14592 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14594 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14596 * invoke.texi (Warning Options): Add an explanation of why
14597 you might want the -Wfloat-equal flag.
14599 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14601 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14602 * cppinit.c (new_pending_define): Add cast to avoid warning.
14603 * expmed.c (extract_bit_field): Likewise.
14604 * flow.c (enum reorder_skip_type): New type.
14605 (skip_insns_between_blcok): New it.
14606 Rework to avoid warning about possibly undefined variable.
14607 * function.c (assign_parms): Make thisparm_boundary unsigned.
14608 * genrecog.c (write_switch): Cast XWINT result to int.
14609 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14610 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14611 one for MIPS and one for Alpha.
14612 (get_tag, copy_object): Add casts to avoid warnings.
14613 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14614 * reload.c (find_reloads): Make TYPE enum reload_type.
14615 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14616 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14617 * varasm.c (compare_constant_1): Add cast to avoid warning.
14618 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14620 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14621 Cast switch operand of size to int.
14622 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14623 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14626 2000-02-18 Nick Clifton <nickc@cygnus.com>
14628 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14629 anything for an alignment of zero.
14631 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14632 anything for an alignment of zero.
14634 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14636 * gcc.texi (Bug Reporting): Refer to bugs.html.
14637 (Bug Lists): Likewise.
14638 * system.h (GCCBUGURL): New preprocessor define.
14639 * rtl.c (fancy_abort): Use it.
14640 * gcc.c (main): Likewise.
14642 2000-02-18 Richard Henderson <rth@cygnus.com>
14644 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14645 (life_analysis_1): Subsume into ...
14646 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14647 Use update_life_info for the relaxation.
14648 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14649 entry and regs_live_at_setjmp.
14650 (set_noop_p): Simplify.
14651 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14652 (record_volatile_insns): Split into ...
14653 (delete_noop_moves): ... here,
14654 (notice_stack_pointer_modification): ... here,
14655 (insn_dead_p): ... and here.
14656 (propagate_block): Don't query INSN_VOLATILE.
14657 (mark_used_regs): Mind !PROP_REG_INFO.
14658 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14659 not in life_analysis.
14661 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14663 * loop.c (canonicalize_condition): New function,
14664 broken out of get_condition.
14665 (get_condition): Use it.
14666 * expr.h (canonicalize_condition): Prototype it.
14668 * tree.h (tree_int_cst_msb): Declare.
14669 * tree.c (tree_int_cst_msb): New function.
14671 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14673 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14676 * invoke.texi (-fmessage-length=n): Document.
14678 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14680 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14682 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14684 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14685 after the prologue.
14687 2000-02-17 Nick Clifton <nickc@cygnus.com>
14689 * config/arm/thumb.c: Replace includes of system headers with
14690 #include "system.h".
14692 2000-02-16 Richard Henderson <rth@cygnus.com>
14694 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14695 Add crtbeginS.o and crtendS.o.
14696 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14697 (ENDFILE_SPEC): Use crtendS.o.
14698 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14700 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14701 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14702 shared and present.
14703 (__dso_handle): New variable.
14704 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14705 bias to __CTOR_END__.
14707 2000-02-16 Richard Henderson <rth@cygnus.com>
14709 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14711 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14713 * longlong.h (__clz_tab): Declare as static to match definition.
14715 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14717 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14718 (XREF_FILE_NAME): Define.
14720 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14721 (EH_FRAME_SECTION_ASM_OP): Define.
14722 (IDENT_ASM_OP): Define.
14723 (TEXT_SECTION_ASM_OP): Define.
14724 (CPP_SPEC): Define.
14725 (CTORS_SECTION_ASM_OP): Define.
14726 (CTOR_SECTION_FUNCTION): Use it.
14727 (DTORS_SECTION_ASM_OP): Define.
14728 (DTOR_SECTION_FUNCTION): Use it.
14730 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14732 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14735 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14736 debug_bb_n): New functions.
14737 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14738 * basic-block.h: Prototype new functions.
14740 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14742 * configure.in: Add support for avr target.
14743 * configure: Rebuilt.
14745 * invoke.texi: Add AVR invocation docs.
14746 * install.texi: Add information about AVR.
14747 * md.texi: Add AVR constraint letters description.
14748 * extend.texi: Add description for AVR specific attributes.
14750 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14752 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14754 2000-02-16 Nick Clifton <nickc@cygnus.com>
14756 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14757 (make_insn_raw): Move RTL check here.
14759 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14761 * version.c: Include gansidecl.h and version.h.
14763 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14765 * configure.in (gcc_version): When setting, narrow search to
14766 lines containing `version_string'.
14768 * Makefile.in (mainversion): Likewise.
14769 (GCC_H): New variable.
14770 (gcc.h): Delete target.
14771 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14772 (version.o): Depend on version.h.
14773 (dbxout.o): Don't depend on gcc.h.
14775 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14776 Michael Meissner <meissner@cygnus.com>
14778 * md.texi (Simple Constraints): Add item about whitespace.
14779 * genoutput.c (strip_whitespace): New.
14780 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14781 strip_whitespace for constraints.
14782 Test pointer using NULL, not 0.
14784 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14786 * cpplib.c (do_line): Pedwarn for #line > 32767.
14788 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14790 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14792 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14793 to default cpp spec.
14794 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
14795 * cpp.texi: Document __GNUC_PATCHLEVEL__.
14798 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
14801 2000-02-15 Denis Chertykov <denisc@overta.ru>
14803 * configure.in: Add support for avr target.
14805 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14807 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
14808 (sh_addr_diff_vec_mode): Don't declare.
14809 * sh.c (sh_addr_diff_vec_mode): Delete.
14811 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14813 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
14815 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14817 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
14818 (smulsi3_highpart_i): Name.
14819 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
14820 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
14821 (smulsi3_highpart, umulsi3_highpart): Likewise.
14823 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
14824 correctly independent of endianness.
14825 (mulsidi3, umulsidi3): Now define_insn. Hide details that
14826 confuse the optimizers.
14827 (mulsidi3+1, umulsidi3+1): New define_split.
14829 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
14831 * config/sh/sh.md: Guard insn splits against illegal registers.
14832 * config/sh/sh.h: Correct comment about macros.
14834 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14835 Andrew MacLeod <amacleod@cygnus.com>
14837 * Makefile.in (lcm.o): Depend on insn-attr.h.
14838 * basic-block.h (optimize_mode_switching): Declare.
14839 * lcm.c (tm_p.h, insn-attr.h): #include.
14840 (seginfo, bb_info): New structs.
14841 (antic, transp, comp, delete, insert) : New file-scope static variables.
14842 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
14843 (reg_becomes_live, optimize_mode_switching): Likewise.
14844 * tm.texi: Add description of mode switching macros.
14845 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
14847 * sh-protos.h (remove_dead_before_cse): Remove prototype.
14848 (fldi_ok, fpscr_set_from_mem): New prototypes.
14849 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
14850 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
14851 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14852 (sh_flag_remove_dead_before_cse): Remove declaration.
14853 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
14854 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
14855 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
14856 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
14857 (barrier_align): Allow for JUMP_INSNS containing a parallel.
14858 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
14859 (fldi_ok): New function.
14860 (get_fpscr_rtx): Add fpscr_rtx as GC root.
14861 (emit_sf_insn): Only generate fpu switches when optimize < 1.
14862 (emit_df_insn): Likewise.
14863 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
14864 (sh_flag_remove_dead_before_cse): Delete.
14865 (get_free_reg, fpscr_set_from_mem): New functions.
14866 * sh.md (movdf, movsf): Remove no_new_pseudos code.
14867 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
14869 2000-02-15 Loren Rittle <ljrittle@acm.org>
14871 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
14873 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14875 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
14876 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
14878 * cccp.c: Include version.h and/or don't declare `version_string'.
14879 * collect2.c: Likewise.
14880 * alpha.c: Likewise.
14881 * arm/aof.h: Likewise.
14882 * arm/coff.h: Likewise.
14883 * arm/elf.h: Likewise.
14884 * arm/pe.h: Likewise.
14885 * arm/tcoff.h: Likewise.
14886 * arm/telf.h: Likewise.
14887 * arm/tpe.h: Likewise.
14888 * arm/vxarm.h: Likewise.
14889 * convex/convex.c: Likewise.
14890 * i386/dgux.c: Likewise.
14891 * i386/sun386.h: Likewise.
14892 * m88k/m88k.c: Likewise.
14893 * mcore/mcore-pe.h: Likewise.
14894 * mips/mips.h: Likewise.
14895 * romp/romp.h: Likewise.
14896 * sh/sh.c: Likewise.
14897 * cpphash.c: Likewise.
14898 * cppinit.c: Likewise.
14899 * dwarf2out.c: Likewise.
14900 * dwarfout.c: Likewise.
14903 * mips-tfile.c: Likewise.
14904 * protoize.c: Likewise.
14905 * toplev.c: Likewise.
14906 * tree.h: Likewise.
14908 * version.c (version_string): Constify a char*.
14910 * version.h: New file.
14912 2000-02-14 Nick Clifton <nickc@cygnus.com>
14914 * configure.in: Add mcore-elf and mcore-pe targets.
14915 * configure: Regenerate.
14917 * NEWS: Add note that MCore port has been contributed.
14919 * invoke.texi: Document command line switches for MCore port.
14920 * install.texi: Add MCore to list of supported targets.
14922 2000-02-14 Geoff Keating <geoffk@cygnus.com>
14924 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
14925 then we will need to import the frame handling functions.
14926 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
14927 to import the frames themselves.
14929 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
14930 Jason Eckhardt <jle@cygnus.com>
14932 * basic_block.h: Added prototype for reorder_basic_blocks.
14933 * toplev.c: Changes to add -freorder-blocks and graph dump after
14934 block reordering is done.
14935 * flow.c (reorder_block_def): New structure for use during block
14937 (REORDER_BLOCK_*): New macros to access members of above structure.
14938 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
14939 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
14940 functions for block reordering.
14942 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
14944 * gcc.texi (Passes): Fix typo.
14945 * md.texi (Standard Names): Ditto.
14946 * tm.texi (Storage Layout): Ditto.
14948 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14950 * cpplib.c (do_define): Only free the old definition if it
14953 2000-02-13 Neil Booth <NeilB@earthling.net>
14955 * cppfiles.c (read_and_prescan): When emitting deferred
14956 newlines, test speccase[] again instead of checking each
14957 possible whitespace character in turn. When we encounter \r,
14958 look behind for \n first, then ahead.
14960 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
14962 * cse.c (cse_altered): New internal flag.
14963 (cse_insn): Set it if we changed an insn.
14964 (cse_main): Clear cse_altered before each basic block.
14965 Only garbage collect if cse_altered is true afterward.
14967 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14969 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
14971 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
14973 * combine.c (simplify_comparison): Fix typo.
14975 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
14977 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
14980 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14982 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
14983 previously inserted node instead of root node. Caller changed.
14985 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14987 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
14989 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14991 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
14992 __dereg_frame_dtor): Add prototype argument.
14994 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
14996 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
14998 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
15000 * gthr-vxworks.h (__gthread_once): Likewise.
15002 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
15004 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
15006 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
15007 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
15008 stack pointer in functions w/o saved registers, output LEAVE more often
15009 on TARGET_USE_LEAVE machines.
15011 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
15013 * config/arm/arm.c (arm_init_cumulative_args); New function:
15014 Initlaise the CUMULATIE_ARGS strcuture for a function
15016 (arm_function_arg): New function: Determine where to place a
15017 function's argument. Also handles deciding the function's
15019 (current_file_function_operand): New function: Return true if
15020 the symbol is a function which has already been compiled.
15021 (arm_is_long_call_p): New function: Return true if the
15022 indicated function should be called via a long call.
15023 (arm_valid_type_attribute_p): New function: Return true if the
15024 attribute is a valid, arm specific, attribute.
15025 (arm_comp_type_attribute): New function: Return true if the
15026 two types have compatable, arm specific, attributes.
15028 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
15030 (FUNCTION_ARG): Redefine to call arm_function_arg.
15031 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
15033 (INIT_CUMULATIVE_ARGS): Redefine to call
15034 arm_init_cumulative_args.
15035 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
15037 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
15039 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
15041 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
15042 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
15043 (COMP_TYPE_ATTRIBUTES): Define.
15045 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
15046 if a long call is needed.
15047 (call_value): Call arm_is_long_call_p to decide if a long call
15049 (call_symbol): Call arm_is_long_call_p to decide if a long call
15052 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
15054 2000-02-11 Denis Chertykov <denisc@overta.ru>
15056 * README.AVR: New file with information about the avr ports.
15057 * config/avr: New directory with avr port files.
15059 2000-02-11 Andreas Jaeger <aj@suse.de>
15061 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
15063 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
15065 * cpphash.c: Fix formatting, update commentary.
15066 (dump_definition): Take three separate arguments instead of a
15067 MACRODEF structure argument.
15068 * cpphash.h: Update prototype of dump_definition.
15069 * cppinit.c (cpp_finish): Update call of dump_definition.
15071 * cpplib.c (do_define): Always create new hash entry with
15072 T_MACRO type. Remove redundant check for redefinition of
15073 poisoned identifier. Update call of dump_definition.
15074 (do_undef): Don't call check_macro_name. Rename sym_length to
15076 (do_error, do_warning): Don't use copy_rest_of_line or
15078 (do_warning): Don't use pedwarn for the actual warning,
15079 only the notice about its not being in the standard. (Fixes
15080 bug with #warning in system headers.)
15081 (do_ident): Stricter argument checking - accept only a single
15082 string after #ident. Also, macro-expand the line.
15083 (do_xifdef): Use cpp_defined. De-obfuscate.
15085 (do_pragma): Split out specific pragma handling to separate
15086 functions. Use get_directive_token. Update commentary. Do
15087 not pass on #pragma once or #pragma poison to the front end.
15088 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
15089 do_pragma_default): New.
15091 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
15093 * jump.c (jump_optimize_1): The first operand in a relational
15094 can be a CONST_INT.
15095 * optabs.c (emit_conditional_move): Handle relationals which
15096 have a known true/false result.
15098 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15100 * function.c (thread_prologue_and_epilogue_insns): Don't insert
15101 a RETURN insn into a block which already ends with a jump.
15103 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15105 * haifa-sched.c (BUF_LEN): Increase a lot.
15107 2000-02-11 Nick Clifton <nickc@cygnus.com>
15109 * configure.in: Add tm_p_file specification for thumb targets.
15110 * configure: Regenerate.
15112 * config/arm/thumb-protos.h: New file: Prototypes for exported
15113 functions defined in thumb.c.
15115 2000-02-11 Robert Lipe <robertl@sco.com>
15117 * Makefile.in (bootstrap-lean): Remove additional files.
15118 (bootstrap2-lean): Likewise.
15119 (VOL_FILES): List of files for above.
15121 2000-02-11 Nathan Sidwell <nathan@acm.org>
15123 * cpphash.c (special_symbol): Remove spurious argument to
15126 2000-02-11 Joel Sherrill (joel@OARcorp.com>
15128 * configure.in: (i*86-*-rtems*): Swapped elf and coff
15130 * configure: Rebuilt.
15132 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
15134 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
15136 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
15138 * pa.c, pa.h: Remove trigraph sequences within comments.
15140 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
15142 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
15144 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
15146 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
15148 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15150 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
15152 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15154 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
15155 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
15156 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
15157 (ASM_FILE_END): Use c4x_file_end.
15158 * config/c4x/c4x.c (c4x_global_label): New function.
15159 (c4x_external_ref, c4x_file_end): Likewise.
15161 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
15162 (c4x_external_ref, c4x_end_file): Likewise.
15164 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
15166 * cppexp.c: Don't include cpphash.h.
15167 (parse_charconst, cpp_lex): Use cpp_defined.
15168 (cpp_lex): Use get_directive_token throughout. Remove
15169 unnecessary cases from switch. Move assertion-handling code
15170 down to OTHER case.
15171 (cpp_parse_expr): If we see '+' or '-', check the context to
15172 determine if they are unary or binary operators. Streamline
15173 the jumps a bit. Do not call skip_rest_of_line.
15175 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
15176 static. Export get_directive_token. Update commentary.
15177 (cpp_defined): New function.
15178 (do_define): Remove reference to T_PCSTRING. Call
15179 free_definition to release memory for old definition, when
15180 redefining a macro.
15181 (eval_if_expression): Set only_seen_white to 0 before calling
15182 cpp_parse_expr. Call skip_rest_of_line after it returns.
15183 (cpp_read_check_assertion): Don't preserve a pointer into the
15184 token buffer across a call to cpp_get_token.
15186 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15187 * cppfiles.c (redundant_include_p): Use cpp_defined.
15188 * cpphash.c (free_definition): New function.
15189 (delete_macro): Use it. Update commentary.
15190 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15192 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15193 from enum node_type. Prototype cpp_defined and get_directive_token.
15194 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15196 * fix-header.c (check_macro_names): Use cpp_defined.
15197 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15198 the options structure.
15200 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15202 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15204 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15206 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15207 rather than die->die_tag.
15209 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15211 * combine.c (make_extraction, force_to_mode): Avoid warning on
15212 mixed-signedness conditionals.
15213 (make_field_assignment, nonzero_bits): Likewise.
15214 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15215 (store_split_bit_field, extract_split_bit_field): Likewise.
15216 (extract_fixed_bit_field, store_bit_field,
15217 * expr.c: Change alignment to be unsigned everywhere.
15218 (move_by_pieces, store_constructor_field, store_constructor):
15219 Alignment parm is unsigned.
15220 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15221 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15222 (do_compare_rtx_and_jump): Likewise.
15223 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15224 Compare align with GET_MODE_ALIGNMENT.
15225 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15226 (get_inner_reference): Likewise.
15227 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15228 (expand_assignment): Local vars for alignment now unsigned.
15229 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15230 (do_compare_and_jump): Likewise.
15231 (store_field): Call new function expr_align.
15232 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15233 Alignment arg now unsigned.
15234 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15235 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15236 (extract_bit_field): Likewise.
15237 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15238 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15239 (get_best_mode): Alignment arg is unsigned.
15240 * rtl.h (move_by_pieces): Likewise.
15241 * store-layout.c (maximum_field_alignment, set_alignment):
15243 (layout_decl): Alignment arg is now unsigned.
15244 Remove unneeded casts.
15245 (layout_record, layout_union, layout_type): Remove unneeded casts.
15246 Local alignment variables now unsigned.
15247 (get_best_mode): Alignment arg now unsigned.
15248 * tree.c (expr_align): New function.
15249 * tree.h (expr_align): Likewise.
15250 (maximum_field_alignment, set_alignment): Now unsigned.
15251 (get_inner_reference): Alignment argument is now pointer to unsigned.
15252 * varasm.c (assemble_variable): Add cast to eliminate warning.
15254 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15256 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15257 then store directly into op0.
15259 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15260 the CALL_INSN, and emit the note immediately after it.
15262 2000-02-10 Nick Clifton <nickc@cygnus.com>
15264 * config/arm/thumb.md (epilogue): Include a (return) in the
15265 generated insn, and emit it using emit_jump_insn not
15268 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15270 * function.c (assign_temp): Change zero-sized arrays to size 1.
15271 * integrate.c (expand_inline_function): Do not update
15272 stack_alignment_needed
15273 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15274 add some sanity checking, remove optimization for function with
15277 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15279 * flow.c (mark_regs_live_at_end): Delete unused variables.
15281 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15283 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15284 in macro FRAME_GROWS_DOWNWARD.
15286 * stmt.c (expand_end_bindings): Delete unused variable.
15288 * unroll.c (iteration_info): Mark parameter `loop' with
15291 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15293 * fixinc/server.c (load_data): Return NULL if the marker line is
15295 (run_shell): If load_data returns NULL, retry the command once, in
15298 * configure: Rebuilt.
15300 2000-02-09 Bruce Korb <bkorb@gnu.org>
15302 * gcc/fixincludes: ** DELETED **
15303 * gcc/fixcpp: ** DELETED **
15304 * gcc/fixinc-nt.sed: ** DELETED **
15305 * gcc/just-fixinc: ** DELETED **
15306 * gcc/Makefile.in: Removed out-dated commentary
15307 * gcc/configure.in: Removed fast-fixincludes disablement.
15308 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15310 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15311 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15314 2000-02-09 Richard Henderson <rth@cygnus.com>
15316 * jump.c (delete_insn): Don't delete user labels at -O0.
15318 2000-02-09 Robert Lipe <robertl@sco.com>
15320 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15321 Don't link with HOST_LIBS.
15323 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15325 * configure.in: Correct --help text for --with-dwarf2.
15326 Put tm-dwarf2.h after other tm files, if it's requested.
15327 * configure: Regenerate.
15328 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15331 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15333 * cpplib.h: Provide HASHNODE typedef and forward decl of
15334 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15335 DEFINITION, struct hashnode, struct macrodef, struct
15336 definition, scan_decls prototype, default defn of
15337 INCLUDE_LEN_FUDGE moved elsewhere.
15339 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15340 definition, and struct hashnode moved here. Remove the unused
15341 'predefined' field from struct definition. Replace the 'args'
15342 union with its sole member. All users updated (cpphash.c).
15343 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15344 multiple include guard.
15346 * cpphash.c (hashf): Make static; use better algorithm; drop
15347 HASHSIZE parameter; return an unsigned int.
15348 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15349 used. Calculate HASHSIZE modulus here.
15350 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15352 (create_definition): Drop PREDEFINITION parameter.
15353 * cpplib.c (do_define): Don't calculate a hash value here.
15354 Don't pass (keyword == NULL) to create_definition.
15356 * scan.h: Prototype scan_decls here.
15357 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15358 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15359 callers of cpp_lookup and cpp_install updated.
15361 * cpphash.c (macarg): Hoist all the flag diddling out of the
15363 (macroexpand): ... and out of the loop that calls macarg.
15364 Skip over the initial paren before macro arguments with
15365 cpp_get_non_space_token; point may be some distance before
15366 that paren. Abort if it's not there.
15368 * cpplib.c (parse_clear_mark): Delete function.
15369 (parse_set_mark, parse_goto_mark): Make static.
15370 (ACTIVE_MARK_P): New macro.
15371 (skip_block_comment, skip_line_comment): Do not bump the line
15372 if ACTIVE_MARK_P is true.
15373 (cpp_pop_buffer): The buffer to be popped may not have an
15375 (cpp_get_token): When looking for the initial paren before
15376 macro arguments, only set a mark in a file buffer, Always
15377 return to that mark before proceeding to call macroexpand or
15378 return a NAME token.
15380 * cpplib.h: Remove prototypes of parse_set_mark,
15381 parse_clear_mark, parse_goto_mark.
15382 (struct cpp_options): Rename 'put_out_comments' to
15383 'discard_comments' and invert its sense.
15384 * cppinit.c, cpphash.c, cpplib.c: All users of
15385 put_out_comments changed to use discard_comments, with
15388 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15390 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15391 the edge from a block that both jumps and falls through to the
15394 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15396 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15397 constant source address is legitimate.
15399 2000-02-09 Philip Blundell <pb@futuretv.com>
15401 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15404 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15406 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15408 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15410 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15411 ends with a newline and a NUL. Don't be so clever manipulating
15414 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15416 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15417 not to BIGGEST_ALIGNMENT.
15419 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15421 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15422 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15423 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15424 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15425 * frame.c (execute_cfa_insn): Handle
15426 DW_CFA_GNU_negative_offset_extended.
15428 2000-02-08 Richard Henderson <rth@cygnus.com>
15430 * flow.c (tidy_fallthru_edges): Split out from ...
15431 (delete_unreachable_blocks): ... here.
15432 (find_basic_blocks): Use it.
15434 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15436 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15438 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15440 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15441 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15442 (fix-header.o): Don't depend on cpphash.h.
15444 * scan.c (hashstr): New function.
15445 * scan.h: Prototype it.
15446 * fix-header.c: Don't include cpphash.h. Use hashstr.
15447 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15448 hashstr. Report hash table statistics. Add private
15449 definition of xrealloc.
15451 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15453 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15455 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15457 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15458 jumps with returns unless they are jumps to the fallthru block.
15460 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15462 * i386.md (addqi3_cc): Fix contraints.
15464 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15466 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15468 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15470 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15471 carriage return after a macro name.
15473 2000-02-07 Fred Fish <fnf@be.com>
15475 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15476 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15478 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15480 * cppfiles.c (deps_output): Count spacers in deps_column.
15482 2000-02-07 Neil Booth <NeilB@earthling.net>
15484 * cppinit.c (initialize_dependency_output): If there is no
15485 suffix, don't try to look for known suffixes. Use strrchr.
15486 (cpp_start_read): Remove duplicate initialization.
15488 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15490 * calls.c (compute_argument_block_size): New argument
15491 preferred_stack_boundary.
15492 (expand_call): update cfun->preferred_stack_boundary, update call of
15493 compute_argument_block_size
15494 (emit_library_call): Increate cfun->preferred_stack_boundary
15495 to PREFERRED_STACK_BOUNDARY
15496 (emit_library_call_value): Likewise.
15497 * explow.c (allocate_dynamic_stack_spave): Likewise.
15498 * function.c (prepare_function_start): Set
15499 cfun->preferred_stack_boundary
15500 * function.h (struct function): Add preferred_stack_boundary field.
15501 * integrate.c (expand_inline_function): Update
15502 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15503 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15504 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15506 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15508 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15509 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15510 cpp_pedwarn, cpp_pedwarn_with_line,
15511 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15512 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15513 v_cpp_error_with_line, v_cpp_warning_with_line,
15514 cpp_message_from_errno, cpp_perror_with_name): Delete.
15516 * cpperror.c (cpp_print_containing_files): Take starting
15517 buffer as argument.
15518 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15519 (v_cpp_message): Now called directly by all entry points.
15521 (cpp_pfatal_with_name, cpp_message): Delete.
15522 (cpp_notice_from_errno, cpp_ice): New functions.
15523 (cpp_notice): Is now for reporting error conditions, just
15524 without an associated file.
15525 (cpp_error, cpp_error_with_line): Don't do anything if
15526 opts->inhibit_errors is on.
15527 (cpp_pedwarn_with_file_and_line): Take column argument also.
15529 * cpplib.h: Update prototypes of exported functions.
15530 (struct cpp_options): Add inhibit_errors.
15532 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15533 non-error messages. Include intl.h.
15535 * cppinit.c, cppmain.c: Likewise. Also, use
15536 cpp_notice_from_errno instead of cpp_perror_with_name or
15537 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15539 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15540 report internal errors.
15542 * cpplib.c (do_define): Switch bcopy to memcpy.
15543 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15545 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15546 bail out early if we hit a line comment.
15548 2000-02-06 Richard Henderson <rth@cygnus.com>
15550 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15551 * basic-block.h: Declare them.
15552 * emit-rtl.h (active_insn_p): New.
15553 (next_active_insn, prev_active_insn): Use it.
15554 * rtl.h: Declare it.
15555 * function.c (emit_return_into_block): New.
15556 (thread_prologue_and_epilogue_insns): Insert return insns instead
15557 of epilogues when possible.
15558 * jump.c (jump_optimize_1): Remove code to insert a return insn
15559 on the fallthru to the exit block.
15561 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15562 and for non-empty stack frames.
15563 * i386.md (return): Expand to return-pop as needed.
15565 2000-02-06 Richard Henderson <rth@cygnus.com>
15567 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15568 constant to op1 for testing.
15570 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15572 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15573 (fixuns_truncqfqi2): Use it.
15575 2000-02-06 Richard Henderson <rth@cygnus.com>
15577 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15578 as a TYPE_LEA insn.
15580 * i386.md (widening and peepholes): Mask the constant instead of
15583 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15585 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15586 input pointer before possibly branching off to the backslash
15588 * cpphash.c (macroexpand): Correctly delete \r escapes when
15589 stringifying parameters.
15590 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15591 if we can; bail out early if we hit a line comment.
15592 (handle_directive): Treat '# 123' in an .S file just like
15593 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15594 Return 1 for '# not_a_directive'.
15595 (get_directive_token): Pop macro buffers here, so that
15596 cpp_get_token can't sneakily move past a newline.
15598 (cpp_get_token): goto randomchar if handle_directive returns 0.
15600 * cppalloc.c: Update copyright.
15601 * cpplib.c: Merge all the static function prototypes into one
15603 * cpplib.h: Remove #if 0 block.
15605 * cpperror.c: Remove #ifdef EMACS block.
15606 * cppmain.c: Likewise.
15607 * cpphash.c: Remove #if 0 blocks.
15608 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15609 * cpplib.c: Remove #if 0 blocks and code referencing
15610 pcp_inside_if or for_lint. Remove duplicate error message.
15611 Fix error messages for #else after #else or #elif. Reformat.
15612 Remove archaic TODO list.
15613 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15615 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15617 * i386/osf1elf.h: Add missing backslash to multiline string.
15619 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15621 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15623 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15625 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15627 * c-common.c: Include expr.h.
15629 * c-pragma.c (mark_align_stack): Add prototype.
15631 * caller-save.c (add_stored_regs): Likewise.
15633 * combine.c (record_promoted_value): Likewise.
15635 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15638 * cppinit.c (new_pending_define): Likewise.
15640 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15642 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15643 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15644 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15645 class_scope_p): Likewise.
15647 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15648 dwarf2out_add_library_unit_info): Likewise.
15650 * ggc.h (ggc_page_print_statistics): Likewise.
15652 * haifa-sched.c (propagate_deps): Likewise.
15654 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15656 * rtl.h (set_stack_check_libfunc): Likewise.
15658 * toplev.h (set_fatal_function): Likewise.
15660 * toplev.c (set_fatal_function): Delete prototype.
15662 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15664 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15666 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15667 (FUNC_END): Likewise.
15669 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15671 * caller-save.c: Include tm_p.h.
15673 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15675 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15677 2000-02-04 Neil Booth <NeilB@earthling.net>
15679 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15682 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15684 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15685 * genflags.c: Use the max_operand_1 logic from genemit.c to
15686 calculate how many arguments gen_insn prototypes have. Remove
15687 NO_MD_PROTOTYPES ifdefs from the generated file.
15688 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15689 file. Cast gen_insn initializers to insn_gen_fn.
15690 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15691 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15693 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15695 * fixinc/Makefile.in (HDR): Add machname.h.
15698 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15700 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15701 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15702 (c4x_cpu_version): Ditto.
15703 * config/c4x/c4x-protos.h: ... here.
15705 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15707 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15708 gen_abstract_function on our context if we're a nested function.
15710 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15712 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15713 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15715 2000-02-04 Bruce Korb <bkorb@gnu.org>
15717 * fixinc/genfixes(machname.h):
15718 Move the functionality from gen-machine.h into this file.
15719 UNdef MN_NAME_PAT if there are no names to change.
15720 Also, be a little kinder when AutoGen is not present.
15722 * fixinc/Makefile.in(machname.h):
15723 Change the generation rule to use genfixes.
15725 * fixinc/fixfixes.c(machine_name):
15726 machine_name_fix's functionality now dependent upon whether
15727 MN_NAME_PAT is defined.
15729 * fixinc/fixtests.c(machine_name):
15732 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15735 * fixinc/fixlib.h(mn_get_regexps):
15738 * fixinc/gen-machine.h: DELETED
15740 2000-02-04 Jan Hubicka <jh@suse.cz>
15741 Richard Henderson <rth@cygnus.com>
15743 * i386.c (SAVE_REGS_FIRST): Remove.
15744 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15745 (ix86_compute_frame_size): Likewise.
15746 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15747 (ix86_emit_restore_regs): Remove.
15748 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15749 when a frame pointer is in use.
15750 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15751 instead of pop to restore a register when profitable; emit leave
15753 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15754 as a TYPE_LEA insn.
15755 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15756 * i386.md (prologue_allocate_stack): Remove.
15757 (epilogue_deallocate_stack): Remove.
15758 (pro_epilogue_adjust_stack): New.
15760 2000-02-04 Richard Henderson <rth@cygnus.com>
15762 * function.c (diddle_return_value): Rework to use a callback function.
15763 Use current_function_return_rtx if it's been set up.
15764 (do_clobber_return_reg, clobber_return_register): New.
15765 (do_use_return_reg, use_return_register): New.
15766 (expand_function_end): Use them.
15767 * stmt.c (expand_null_return): Likewise.
15768 * function.h: Declare them.
15769 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15770 (mark_reg): Change arguments as appropriate for callback.
15771 * integrate.c (expand_inline_function): Revert 19 Jan change.
15773 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15775 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15776 (Misc): Say the scheduler, not the Haifa scheduler.
15778 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15780 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15781 when in_mem is set. Update all callers.
15783 2000-02-04 Richard Henderson <rth@cygnus.com>
15785 * i386/openbsd.h (INT_ASM_OP): Define.
15787 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15789 * tm.texi: Fix various typos.
15791 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15793 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
15794 (MD_STARTFILE_PREFIX_1): New macro.
15796 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
15798 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
15799 destination when needed.
15800 (strmovsi, strsetsi): New expander.
15801 (strmovsi_1, strsetsi_1): New pattern.
15802 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
15803 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
15804 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
15805 * invoke.texi (align-stringops, inline-all-stringops): Document.
15807 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
15809 * i386/netbsd.h (INT_ASM_OP): Define.
15811 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
15813 * cpplib.h (cpp_reader): Add new flag, no_directives.
15814 * cpphash.c (macarg): Set it.
15815 * cpplib.c (handle_directive): If no_directives is on and we
15816 find a directive, issue an error and discard the line.
15818 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
15820 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
15821 FP constants. Add ! TARGET_FPU check for FP constants.
15823 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
15825 * flow.c (find_basic_blocks): Don't kill label_value_list
15827 (cleanup_cfg): Kill it here.
15829 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15831 * expr.c (store_field): Ensure ALIGN is no stricter than the
15834 2000-02-02 Richard Henderson <rth@cygnus.com>
15836 * jump.c (delete_insn): Partially revert 19 Jan change;
15837 don't convert unused code labels to notes at -O0.
15839 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15841 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
15842 split_all_insns to recreate REG_LABEL notes for flow2 pass.
15844 2000-02-01 Richard Henderson <rth@cygnus.com>
15846 * i386.c (general_no_elim_operand): New.
15847 (nonmemory_no_elim_operand): New.
15848 (ix86_expand_move): Copy eliminable operands before a push.
15849 * i386-protos.h: Declare new functions.
15850 * i386.h (CAN_ELIMINATE): Simplify.
15851 (PREDICATE_CODES): Update.
15852 * i386.md (push insns): Don't allow eliminable register operands.
15854 2000-02-01 Richard Henderson <rth@cygnus.com>
15856 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
15857 replace BLKmode with DECL_RTL's mode.
15859 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
15861 * frame.c (find_fde): Convert for loop to do-while so compiler
15862 sees it's always executed at least once.
15863 * libgcc2.c (BBINBUFSIZE): Kill.
15864 (__bb_init_prg): Use fgets.
15865 (__bb_exit_trace_func): Don't paste strings.
15866 * unroll.c (unroll_loop): Initialize unroll_type, not
15867 unroll_number, and tweak logic to match.
15869 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
15871 (ix86_flags_dependant): Likewise. Disentangle control flow.
15872 (ix86_sched_reorder): Break guts out to
15873 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
15874 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
15877 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
15878 use string concatenation. Don't save and restore esi.
15880 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
15881 (machname.h): Remove script to separate file. Use two-step
15882 sequence so target is not created if script fails.
15883 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
15884 identifiers are defined.
15885 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
15886 an empty string, machine_name doesn't need to do anything at
15888 (is_cxx_header): Add more cases to regexp.
15889 * fixinc/fixlib.h: Update prototype.
15890 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
15892 * fixinc/fixincl.c: Define NO_BOGOSITY.
15894 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
15895 (hp_sysfile): Add missing comma.
15896 (math_exception): Put the wrapper ifdefs at the beginning and
15897 the end of the file.
15898 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
15900 2000-02-01 Richard Henderson <rth@cygnus.com>
15902 * sparc.c (fp_zero_operand): Turn into a normal predicate.
15903 Use CONST0_RTX. Update all callers.
15904 * sparc.h, sparc-protos.h: Update accordingly.
15905 * sparc.md (fp mov insns): Use fp_zero_operand directly
15908 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15910 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
15913 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15915 * Makefile.in (specs.ready): New target.
15916 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
15918 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15920 * fixinc.irix: Use unique filenames for writing into /tmp,
15921 * fixinc.ptx: Likewise.
15922 * fixinc.sco: Likewise.
15923 * fixinc.svr4: Likewise.
15924 * fixinc.winnt: Likewise.
15926 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15928 * tsystem.h: New file.
15930 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
15931 s-crtS): Depend on tsystem.h.
15933 * crtstuff.c: Include tsystem.h.
15934 * frame.c: Likewise.
15935 * libgcc2.c: Likewise.
15937 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
15939 * builtins.c (expand_builtin_memset): Expand for variable sized
15942 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
15944 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
15947 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15949 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
15951 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
15953 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
15955 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
15956 case 3->2 combining (combining with splitting) in which 2 is CC0
15957 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
15958 checked at the begining of the function with the aid of calling
15959 function 'can_combine_p'.
15961 2000-01-31 Dave Brolley <brolley@redhat.com>
15963 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
15965 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
15967 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
15970 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15972 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
15974 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
15977 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
15979 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
15980 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
15981 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
15982 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
15983 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
15984 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
15985 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
15986 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
15987 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
15988 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
15990 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
15991 Add %(cpp_cpu) to CPP_SPEC.
15993 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
15994 Add %(cc1_cpu) to CC1_SPEC.
15996 2000-01-28 Ulrich Drepper <drepper@redhat.com>
15998 * c-decl.c (c_decode_option): Accept optional numeric argument to
15999 -Wformat and set warn_format.
16000 * c-common.c: Don't emit warning about non-constant printf format
16001 string unless warn_format > 1.
16003 2000-01-30 Richard Henderson <rth@cygnus.com>
16005 * alpha.md (return_internal): Allow after reload only.
16007 2000-01-30 Richard Henderson <rth@cygnus.com>
16009 * i386.c (ix86_compute_frame_size): Omit padding1 if the
16010 local frame size is zero.
16012 2000-01-30 Richard Henderson <rth@cygnus.com>
16014 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
16015 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
16016 * alpha.md (return): Turn into an expander.
16017 (return_internal): Don't use $26.
16018 (epilogue): Emit the return insn.
16020 2000-01-30 Richard Henderson <rth@cygnus.com>
16022 * alpha.md (negtf2, abstf2): Fix word order thinko.
16023 (extendsftf2): New.
16024 (trunctfsf2): Avoid intermediate rounding errors.
16026 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
16028 * cppfiles.c (find_position): Drop 'colp' argument, return the
16030 (read_and_prescan): Adjust to match. Don't ever manipulate
16031 line or line_base except via find_position.
16033 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16035 * c-parse.in: Apply Ulrich's changes from c-parse.y.
16036 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
16039 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16041 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
16042 just print "<command line>". If 'filename' is null or an
16043 empty string, print "<stdin>" for the filename.
16044 * cpplib.c (do_define): Don't print the 'location of the
16045 previous definition' message if we're still parsing the
16047 (cpp_pedwarn_with_file_and_line): Always call
16048 cpp_file_line_for_message.
16050 2000-01-29 Mark Mitchell <mark@codesourcery.com>
16052 * flow.c (mark_regs_live_at_end): Fix typo.
16054 2000-01-28 Ulrich Drepper <drepper@redhat.com>
16056 * c-common.c: Adjust variable names, comments, help strings to c99.
16057 * c-lex.c: Likewise.
16058 * c-parse.y: Likewise.
16059 * c-tree.h: Likewise.
16060 * cccp.c: Likewise.
16061 * cpplib.h: Likewise.
16062 * c-decl.c: Likewise. Recognize options with names "*99" as well.
16063 * cppinit.c: Likewise.
16065 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16067 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
16068 * c4x.c: Define the optab rtx values.
16069 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
16070 (c4x_emit_libcall): Use new optab rtx values.
16071 (c4x_emit_libcall3): Likewise.
16072 (c4x_emit_libcall_mulhi): Likewise.
16073 * c4x-protos.h: Add prototypes for optab rtx values and change
16074 prototypes for above c4x_emit_libcall functions.
16076 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16078 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
16080 (c4x_function_prologue): Use regnames intead of float_reg_names when
16082 (c4x_function_epilogue): Likewise.
16083 (c4x_print_operand): Likewise.
16084 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
16085 * c4x.md (set_high): Disable for TARGET_TI.
16087 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16089 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
16090 of framepointer + constant to ADDR_REGS class.
16091 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
16092 * c4x.c (std_or_reg_operand): New function.
16093 * c4x-protos.h (std_or_reg_operand): Prototype it.
16095 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16097 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
16098 object names as libgcc2.c.
16099 * libgcc.S: Use newly defined names.
16101 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
16102 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
16104 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
16105 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
16106 (FLOW_LOOP_LAST_BLOCK): Likewise.
16108 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16110 * basic-block.h (struct loop): New fields 'first' and 'last'.
16111 * flow.c (flow_loops_find): Compute loop->first and loop->last.
16112 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
16113 and loop->last to check for NOTE_INSN_LOOP_END.
16115 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
16117 * predict.c (estimate_probability): Use the new FIRST and LAST fields
16118 of the loop descriptor rather than HEADER and LATCH. Also added
16119 missing break statements as well making some coding style modifications
16120 as suggested by Michael Hayes.
16122 2000-01-28 Richard Henderson <rth@cygnus.com>
16124 * flow.c (find_basic_blocks): Remove do_cleanup argument.
16125 Break out that code ...
16126 (cleanup_cfg): ... here.
16127 (commit_one_edge_insertion): Detect a return instruction being
16128 emitted to an edge. Emit a barrier following; clear fallthru.
16129 (commit_edge_insertions): Verify CFG consistency.
16130 * function.c (expand_function_start): Kill unused variable.
16131 (expand_function_end): Likewise.
16132 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
16133 to insert the epilogue.
16135 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
16136 (delete_null_pointer_checks): Likewise.
16137 * output.h: Likewise.
16138 * reg-stack.c (reg_to_stack): Likewise.
16139 * toplev.c (rest_of_compilation): Likewise. Run
16140 thread_prologue_and_epilogue_insns after rebuilding the CFG.
16142 2000-01-28 Richard Henderson <rth@cygnus.com>
16144 * Makefile.in (flow.o): Revert 24 Jan change.
16145 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
16146 FUNCTION_VALUE result to DECL_RESULT's mode.
16148 * haifa-sched.c (schedule_insns): Don't recompute reg info
16151 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
16153 * configure.in: Make --enable-cpplib the default.
16154 * configure: Regenerate.
16155 * gcc.dg/990119-1.c: No longer expected to fail.
16157 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
16159 * jump.c (jump_optimize_1): Delete an optimization that is also done
16160 by merge_blocks in flow.
16162 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16164 * diagnostic.c (build_message_string, output_printf,
16165 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
16166 (build_location_prefix): Fix non-literal format string.
16168 2000-01-27 Richard Henderson <rth@cygnus.com>
16170 * alpha.md (trunctfsf2): New.
16172 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
16174 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
16176 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16178 * cppinit.c (cpp_handle_option): Recognize C++ comments under
16180 * cpplib.c (skip_block_comment, skip_line_comment): Split code
16182 (skip_comment) ... here. Permit C++ comments in system
16183 headers always. Warn about C++ comments in user code under
16184 -std=gnu89 -pedantic.
16185 (copy_comment): Use skip_comment.
16186 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16188 (consider_directive_while_skipping, do_else, do_endif): Call
16189 validate_else unconditionally.
16190 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16191 text after the conditional in a system header.
16192 * cpplib.h (struct cpp_buffer): Add flag
16193 warned_cplusplus_comments.
16195 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16197 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16198 Use unshare_all_rtl_1.
16199 (unshare_all_rtl_again): New function.
16200 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16202 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16203 rather than resetting the 'used' flags ourself.
16205 * toplev.c (rest_of_compilation): Add current_function_decl
16206 to the unshare_all_rtl call.
16207 * tree.h: Prototype unshare_all_rtl.
16208 * rtl.h: Prototype unshare_all_rtl_again here.
16210 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16212 * genoutput.c (output_prologue): Include ggc.h in generated
16214 * Makefile.in (insn-output.o): Depends on ggc.h.
16216 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16217 Hans-Peter Nilsson <hp@bitrange.com>
16219 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16220 Remove redundant include of xm-ns32k.h.
16221 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16222 Remove redundant include of xm-ns32k.h.
16223 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16224 Remove redundant include of xm-ns32k.h.
16225 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16227 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16228 (TARGET_SWITCHES): Add documentation strings.
16229 (DWARF_FRAME_REGNUM): Override default definition.
16230 (REG_CLASS_CONTENTS): Add comments.
16231 (SUBSET_P): Format to reduce line length.
16232 (SMALL_REGISTER_CLASSES): Make a run time option.
16233 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16234 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16235 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16236 (regclass_map): fix typo in comment.
16237 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16238 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16239 (trace, reg_or_mem_operand): Delete, unused function.
16240 (calc_address_cost): Small offsets are cheaper than large ones.
16241 (expand_block_move): Generate more efficient code when bytes is a
16242 known at compile time.
16243 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16244 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16245 instead of reg_or_mem_operand.
16247 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16248 not general_operand. Similarly use "=rm" or stricter, not "=g".
16249 For input operands, use stricter constraints than "g" if not
16250 general_operand. Similarly use stricter predicate than
16251 "general_operand" when stricter constraints than "g" are present,
16252 except for matching constraints.
16253 (movstrsi): Use "memory_operand" for operands 0 and 1.
16254 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16255 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16256 not reg_or_mem_operand.
16257 (udivmoddisi4): Ditto.
16258 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16259 Use nonimmediate_operand for operand 3, not register_operand.
16260 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16261 reg_or_mem_operand.
16263 2000-01-27 Fred Fish <fnf@be.com>
16265 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16266 * gthr-single.h: Likewise.
16267 * gthr-solaris.h: Likewise.
16268 * gthr-vxworks.h: Likewise.
16269 * gthr-win32.h: Likewise.
16270 * gthr.h: Likewise.
16272 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16274 * cppinit.c: Add " (cpplib)" to end of string printed by
16277 2000-01-27 Richard Henderson <rth@cygnus.com>
16279 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16280 testing for a signed comparison.
16281 (alpha_emit_floatuns): New.
16282 * alpha-protos.h: Declare it.
16283 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16284 (extendsfdf2): Tidy.
16286 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16288 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16289 no -g option specifying debugging format, default to -gstabs+.
16291 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16293 * calls.c (special_function_p): New argument fork_or_exec.
16294 (expand_call): When profile_arc_flag is set and the function
16295 is in the fork_or_exec group, call __bb_fork_func first.
16296 * libgcc2.c, _bb module (__bb_fork_func): New function.
16297 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16299 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16300 * tree.h (special_function_p): Update prototype.
16302 2000-01-26 Richard Henderson <rth@cygnus.com>
16304 * alpha.c (alpha_split_tfmode_pair): New.
16305 * alpha-protos.h: Declare it.
16306 * alpha.md (abstf2, negtf2): New.
16307 (movtf insn): Add input G constraint.
16308 (movtf splitter): Use alpha_split_tfmode_pair.
16310 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16312 * i386/cygwin.h: PROTO -> PARAMS.
16314 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16316 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16317 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16318 using _Qp_cmp/_Q_cmp and testing the return value.
16319 (print_operand): Call reverse_condition_maybe_unordered if
16320 we are handling CCFPmode or CCFPEmode.
16321 Handle ORDERED, UN* and LTGT comparisons.
16322 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16323 if not TARGET_HARD_QUAD.
16324 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16325 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16326 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16327 Adjust gen_b* calls so that they reflect return comparison of
16328 sparc_emit_float_lib_cmp.
16330 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16332 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16333 incoming operands array is large enough for one more operand.
16334 (alpha_emit_xfloating_arith): Likewise.
16336 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16338 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16339 file with one line and no trailing newline.
16340 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16341 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16342 checking if the match is on the line.
16343 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16345 2000-01-25 Richard Henderson <rth@cygnus.com>
16347 * sparc.c (output_cbranch): Fix accidental squashing of the
16348 fp branch pre-delay nop.
16350 2000-01-25 Richard Henderson <rth@cygnus.com>
16352 * tree.def (UNNE_EXPR): Remove.
16353 * c-typeck.c (build_binary_op): Don't handle it.
16354 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16356 * rtl.def (UNNE): Remove.
16358 * jump.c (reverse_condition): Update accordingly.
16359 (swap_condition): Likewise.
16360 (comparison_dominates_p): Handle unordered comparisons.
16361 (reverse_condition_maybe_unordered): New.
16362 * rtl.h (reverse_condition_maybe_unordered): Declare.
16364 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16365 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16366 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16367 * sparc.md (bltgt): New.
16369 2000-01-25 Nick Clifton <nickc@redhat.com>
16371 * emit-rtl.c (emit_insn): Only check machine class insns for
16372 improper emission of a RETURN.
16374 2000-01-25 Richard Henderson <rth@cygnus.com>
16376 * Makefile.in (flow.o): Depend on $(EXPR_H).
16377 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16378 duplicate the structure of diddle_return_value for keeping regs live.
16380 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16382 * loop.c (current_loop_info): Delete.
16383 (consec_sets_invariant_p): Add loop argument, update callers.
16384 (get_condition_for_loop): Likewise.
16385 (count_nonfixed_reads, update_giv_derive): Likewise.
16386 (simplify_giv_expr, general_induction_var): Likewise.
16387 (consec_sets_giv, recombine_givs): Likewise.
16388 (move_movables): Delete loop_start and loop_end arguments,
16389 add loop argument, and update callers.
16390 (find_mem_givs, check_final_value): Likewise.
16391 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16392 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16394 (basic_induction_var): Add loop argument, delete loop_level argument,
16395 and update callers.
16396 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16397 add loop argument, and update callers.
16398 (find_splittable_regs, find_splittable_givs): Likewise.
16399 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16400 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16401 (biv_total_increment): Delete loop_start and loop_end arguments;
16403 (precondition_loop_p): Delete loop_start and loop_info arguments;
16405 * loop.h (get_condition_for_loop): Add loop argument.
16406 (biv_total_increment): Delete loop_start and loop_end arguments.
16407 (precondition_loop_p): Delete loop_start and loop_info arguments;
16409 (final_biv_value): Delete loop_start and loop_end arguments;
16411 (final_giv_value, back_branch_in_range_p): Likewise.
16413 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16415 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16417 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16419 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16420 point to the new "generated_files" doc.
16422 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16424 * config/fp-bit.c (_unord_f2): Fix typo.
16426 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16428 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16429 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16430 functions obsoleted by GC, such as push_obstacks_nochange,
16431 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16432 and code which existed only to decide whether or not to call
16433 them. Remove now-unused NESTED argument from start_function;
16434 all callers changed. Do not change behavior based on ggc_p.
16435 The use of the ixp_obstack in c-iterate.c and the util_obstack
16436 in objc/objc-act.c remain; these are not obsoleted by garbage
16438 * c-tree.h: Update prototype for start_function.
16440 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16442 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16444 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16447 2000-01-25 Richard Henderson <rth@cygnus.com>
16449 * sparc-protos.h (select_cc_mode): Declare.
16450 * sparc.c (select_cc_mode): New. Handle unordered compares.
16451 (output_cbranch): Always reverse via code change. Handle
16452 unordered compares. Factor tests and string updates.
16453 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16454 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16455 * sparc.md (bunordered, bordered): New.
16456 (bungt, bunlt, buneq, bunge, bunle): New.
16458 2000-01-25 Richard Henderson <rth@cygnus.com>
16460 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16461 * ggc-common.c (ggc_add_rtx_varray_root): New.
16462 (ggc_mark_rtx_varray): New.
16463 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16464 functions down below ggc_mark_foo.
16465 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16467 2000-01-25 Richard Henderson <rth@cygnus.com>
16469 * alpha.c (secondary_reload_class): Don't allocate a secondary
16470 for integral mode memories into FLOAT_REGS. Rearrange the more
16471 complicated memory expression inward.
16473 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16475 * inclhack.def: Fixes to play nicer with FreeBSD, and
16476 corrections to comments.
16477 (cxx_unready): Add select expression.
16478 (irix_sockaddr): Add bypass expression.
16479 (machine_ansi_h_va_list): New fix.
16480 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16481 Split out addition of "#include <stdarg.h>" to...
16482 (stdio_stdarg_h): ... here.
16483 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16484 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16485 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16487 (ultrix_ifdef): Tighten up select expression.
16489 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16490 re_ct and max_mach to avoid use of shell. Make printed names
16491 match names in inclhack.def. Use static copyright date.
16492 Don't count c_test and test expressions as requiring regex_t
16493 slots. Add some commentary.
16494 * inclhack.tpl: Do not include the 'This script contains N
16495 fixup scripts' line if PROGRAM is defined. Use static
16498 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16500 * dwarf2out.c: include "varray.h", not dyn-string.h.
16501 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16502 (addr_const_to_string, addr_to_string): Lose.
16503 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16504 (struct dw_val_struct): val_addr is now an rtx.
16505 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16506 (used_rtx_varray): New varray.
16507 (dwarf2out_init): Initialize it.
16508 (save_rtx): New fn.
16509 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16511 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16512 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16513 * Makefile.in (dwarf2out.o): Update dependencies.
16515 2000-01-24 Richard Henderson <rth@cygnus.com>
16517 * i386.c (i386_dwarf_output_addr_const): New.
16518 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16520 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16522 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16523 * i386.c (i386_simplify_dwarf_addr): New.
16524 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16526 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16528 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16529 TYPE_STUB_DECL is NULL.
16531 2000-01-24 Richard Henderson <rth@cygnus.com>
16533 * builtins.c (expand_tree_builtin): Move ...
16534 * c-common.c (expand_tree_builtin): ... here.
16536 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16538 * loop.h (LOOP_INFO): New accessor macro.
16539 * basic-block.h (struct loop): Rename field `info' to `aux'.
16540 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16541 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16542 * unroll.c (loop_iterations, unroll_loop): Likewise.
16544 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16546 * config/i386/t-cygwin: Accomodate new winsup directory layout
16547 when searching for include files.
16549 2000-01-24 Richard Henderson <rth@cygnus.com>
16551 * rtl.def: Add unordered fp comparisions.
16552 * tree.def: Likewise.
16553 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16555 * builtins.c (expand_tree_builtin): New function.
16556 * c-typeck.c (build_function_call): Use it.
16557 (build_binary_op): Support unordered compares.
16558 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16560 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16561 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16562 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16563 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16564 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16566 (swap_condition): Handle unordered compares.
16567 (thread_jumps): Check can_reverse before reversing.
16568 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16571 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16572 setcc is present before acking for cmp_optab. Update all callers.
16573 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16574 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16575 * expr.c (expand_expr): Likewise. Support unordered compares.
16576 (do_jump, do_store_flag): Likewise.
16577 * expr.h (enum libfunc_index): Add unordered compares.
16579 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16580 (DPBIT_FUNCS): Add _unord_df.
16581 * config/fp-bit.c (_unord_f2): New.
16582 * fp-test.c (main): Try unordered compare builtins.
16584 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16585 * alpha.c (alpha_comparison_operator): Check mode properly.
16586 (alpha_swapped_comparison_operator): Likewise.
16587 (signed_comparison_operator): Likewise.
16588 (alpha_fp_comparison_operator): New.
16589 (alpha_emit_conditional_branch): Handle unordered compares.
16590 * alpha.h (PREDICATE_CODES): Update.
16591 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16592 (bunordered, bordered): New.
16594 2000-01-24 Richard Henderson <rth@cygnus.com>
16596 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16597 * alpha.md (movtf): New expander, insn, and splitter.
16599 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16601 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16604 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16606 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16607 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16608 REG_ALLOC_ORDER): Add frame pointer
16609 (FRAME_POINTER_REGNUM): Set to 20
16610 (HARD_FRAME_POINTER_REGNUM): New macro.
16611 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16612 to HARD_FRAME_POINTER.
16613 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16614 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16615 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16616 (HI_REGISTER_NAMES): Add "frame".
16617 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16618 (debug_reg): Handle FRAME_POINTER_REGNUM.
16619 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16620 GENERAL_REGS and INDEX_REGS.
16621 * i386.c (SAVED_REGS_FIRST): new macro.
16622 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16623 (ix86_decompose_address, memory_address_length): Likewise.
16624 (regclass_map): Add frame pointer.
16625 (call_insn_operand): Handle frame_pointer_rtx.
16626 (reg_no_sp_operand): Likewise.
16627 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16628 (print_operand, legitimize_pic_address): Fix formating.
16629 (ix86_compute_frame_size): Make static, update prototype, new
16630 parameters padding1, padding2, use ix86_nsaved_regs, use
16631 stack_alignment_needed.
16632 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16633 to HARD_FRAME_POINTER_REGNUM conversions.
16634 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16635 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16636 (print_reg): Abort on FRAME_POINTER_REGNUM
16638 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16640 * i386.h (PREDICATE_CODES): Add aligned_operand.
16641 * i386.c (aligned_operand): New function.
16642 (ix86_aligned_p): Kill.
16643 * i386.md (movhi_1): Emit mov for aligned operands.
16644 (promoting peep2s): Use aligned_operand.
16646 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16648 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16649 expression to allow underscores in macro names.
16650 (fix_char_macro_defines): Increment scanning pointer.
16652 2000-01-23 Richard Henderson <rth@cygnus.com>
16654 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16655 * alpha/osf5.h: New file.
16656 * configure.in (alpha-*-osf5): Add it to tm_file.
16658 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16660 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16661 (alpha_emit_xfloating_cvt, function_arg): Declare.
16662 * alpha.c (alpha_emit_conditional_branch): Call
16663 alpha_emit_xfloating_compare for TFmode compares.
16664 (alpha_lookup_xfloating_lib_func): New.
16665 (alpha_compute_xfloating_mode_arg): New.
16666 (alpha_emit_xfloating_libcall): New.
16667 (alpha_emit_xfloating_arith): New.
16668 (alpha_emit_xfloating_compare): New.
16669 (alpha_emit_xfloating_cvt): New.
16670 (print_operand): Add default abort case.
16671 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16672 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16673 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16674 (RETURN_IN_MEMORY): True for TF/TCmode.
16675 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16676 (FUNCTION_ARG): Move to function_arg.
16677 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16678 (ASM_OUTPUT_LONG_DOUBLE): New.
16679 (ASM_OUTPUT_DOUBLE): Always output bits.
16680 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16681 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16682 (extenddftf2, trunctfdf2): New.
16684 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16686 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16687 * config/sparc/sol2.h: ... here.
16689 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16691 * basic-block.h (struct loops): New field `levels'.
16692 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16693 (flow_loop_level_compute): Initialise level to 1.
16694 (flow_loops_find): Set loops->levels.
16695 (flow_loops_dump): Print loops->levels.
16697 2000-01-23 Richard Henderson <rth@cygnus.com>
16699 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16700 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16702 2000-01-23 Richard Henderson <rth@cygnus.com>
16704 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16705 * i386.h (DBX_REGISTER_NUMBER): Use them.
16706 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16707 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16708 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16709 * i386/sequent.h: Kill incorrect comment.
16711 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16713 * ggc-page.c (struct page_entry): Make `context_depth' an
16715 (struct globals): Likewise.
16717 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16719 * loop.c (check_dbra_loop): When checking a loop for
16720 reversability, check the source of any stores to ensure
16721 they don't depend on an initial value.
16723 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16725 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16727 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16729 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16730 'pz_scan' into scope of entire function. Only affects
16731 compiles with -DDEBUG.
16733 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16735 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16736 section naming to that prior to 2000-01-07 patch.
16737 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16738 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16739 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16740 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16741 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16743 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16745 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16748 2000-01-21 Jim Wilson <wilson@cygnus.com>
16750 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16751 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16753 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16755 * cpphash.c (change_newlines): Delete function.
16756 (struct argdata): Delete 'newlines' and 'use_count' fields.
16757 (macroexpand): Remove code referencing those fields.
16759 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16761 * loop.c (loops_info): New variable.
16762 (loop_optimize): Allocate loops->array and free it on exit.
16763 Allocate memory for loops_info and assign to each loop,
16765 (find_and_verify_loops): Do not allocate loops->array.
16767 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16769 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16771 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16773 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16774 pseudos if expanded after first flow.
16775 (movdi_pic_label_ref): Likewise.
16777 2000-01-20 Richard Henderson <rth@cygnus.com>
16779 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16781 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16783 * Makefile.in (fixinc.sh): Depend on specs.
16784 * fixinc/Makefile.in: Add rule to create machname.h.
16785 (fixlib.o): Depend on machname.h.
16786 * fixinc/fixtests.c (machine_name): New test.
16787 * fixinc/fixfixes.c (machine_name): New fix.
16788 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16789 the machine_name test and fix.
16790 * fixinc/fixlib.h: Prototype it.
16791 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16792 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
16794 * gcc.c (do_spec_1) [case P]: Take care not to create
16795 identifiers with three leading or trailing underscores.
16797 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
16798 (fixincl): Don't specify libraries twice on link line.
16799 (gnu-regex.o): Remove special rule.
16800 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
16801 defined by config.h. Do not define _REGEX_RE_COMP.
16802 (regcomp): Allocate and initialize a fastmap.
16803 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
16805 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
16807 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
16809 2000-01-19 Richard Henderson <rth@cygnus.com>
16811 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
16812 arguments with BB. Update all callers. Tidy line wrapping.
16814 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
16816 * emit-rtl.c (try_split): Return last_insn if we split the
16819 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
16821 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
16822 (ix86_initial_elimination_offset): Declare.
16823 * i386.c (ix86_nsaved_regs): Break out from ...
16824 (ix86_can_use_return_insn_p): ... here.
16825 (ix86_emit_save_regs): Break out from ...
16826 (ix86_expand_prologue): ... here.
16827 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
16829 (ix86_expand_epilogue): ... here.
16830 (ix86_compute_frame_size): Make static, add prototype.
16831 (ix86_initial_elimination_offset): Break out from ...
16832 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
16834 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16836 * recog.h (OUT_FCN): Delete.
16838 * vax.md: Call `get_insn_template' instead of OUT_FCN.
16840 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16842 * cppalloc.c: PROTO -> PARAMS.
16843 * cpperror.c: Likewise.
16844 * cppfiles.c: Likewise.
16845 * cpplib.c: Likewise.
16846 * cpplib.h: Likewise.
16848 * config/arm/arm-protos.h: PROTO -> PARAMS.
16849 * config/arm/arm.c: Likewise.
16850 * config/c4x/c4x.c: Likewise.
16851 * config/fr30/fr30-protos.h: Likewise.
16852 * config/nextstep.c: Likewise.
16853 * config/pa/pa.c: Likewise.
16854 * config/pj/pj.c: Likewise.
16855 * config/rs6000/rs6000.c: Likewise.
16856 * config/v850/v850-protos.h: Likewise.
16857 * config/v850/v850.c: Likewise.
16859 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16861 * i370-protos.h: New file.
16863 * i370.c: Include tm_p.h. Fix compile time warnings.
16865 * i370.h: Move prototypes to i370-protos.h. Fix compile time
16868 * i370.md: Likewise.
16870 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16872 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
16873 (target_isinf, target_isnan, eisnan): Mark parameter with
16875 (eiisinf): Wrap in INFINITY.
16876 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
16877 (ibmtoe): Remove unused variable `rndsav'.
16879 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16881 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
16882 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
16884 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
16886 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
16887 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
16888 (fix_char_macro_defines, fix_char_macro_uses): New functions.
16890 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
16891 Recognize Emacs mode markers also.
16892 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
16893 C++ comments in C++ headers. Call is_cxx_header only if
16896 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
16897 bypass for ncurses.
16898 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
16899 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
16900 ... these, which use the new C fixes.
16901 (math_exception): Escape literal '+' in bypass expression.
16903 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
16906 2000-01-19 Geoff Keating <geoffk@cygnus.com>
16908 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
16911 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16913 * loop.c (loop_optimize): Allocate loop_info structure for each loop
16914 prior to calling scan_loop.
16916 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16918 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
16919 (split_branches, calc_live_regs): Likewise.
16921 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16923 * sh.md (fpu_single, fp_mode): New attributes.
16925 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16927 * loop.c (current_loop_info): Renamed from loop_info_data
16928 and changed to a pointer.
16929 (loop_optimize): Allocate loop_info structure for each loop
16930 and initialise to zero.
16931 (scan_loop): Set current_loop_info.
16933 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
16936 2000-01-19 Richard Henderson <rth@cygnus.com>
16938 * stupid.c: Die die die.
16939 * Makefile.in (OBJS): Remove stupid.o.
16940 (stupid.o): Likewise.
16942 * except.c (emit_eh_context): Don't emit USEs for stupid.
16943 * explow.c (probe_stack_range): Likewise.
16944 * flags.h (obey_regdecls): Remove.
16945 * flow.c (find_basic_blocks): Don't run try_merge_blocks
16946 when not optimizing.
16947 (life_analysis): Limit data collection when not optimizing.
16948 (mark_regs_live_at_end): Always mark the return value registers.
16949 (mark_used_regs): Remove dummy RETURN case.
16950 (print_rtl_with_bb): Don't consult obey_regdecls.
16951 * function.c (use_variable, use_variable_after): Remove.
16952 (assign_parms): Consult optimize not obey_regdecls.
16953 (expand_function_start): Don't emit USEs for stupid.
16954 (expand_function_end): Likewise.
16955 * global.c (build_insn_chain): Export.
16956 * integrate.c (expand_inline_function): Kill return-value USE
16958 * jump.c (jump_optimize_1): Do simple jump optimizations and
16959 dead code elimination.
16960 (calculate_can_reach_end): Remove check_deleted argument.
16961 (delete_insn): Patch out insns even when not optimizing.
16962 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
16963 * rtl.h (use_variable, use_variable_after): Remove declarations.
16964 (build_insn_chain): Declare.
16965 * stmt.c (expand_value_return): Don't emit USEs for stupid.
16966 (expand_end_bindings): Likewise.
16967 (expand_decl): Likewise. Consult optimize not obey_regdecls.
16968 * toplev.c (obey_regdecls): Remove.
16969 (rest_of_compilation): Don't set it. Kill stupid in favour of
16970 flow1, local-alloc, and reload.
16971 (main): Don't set obey_regdecls.
16973 * config/nextstep.c (handle_pragma): Likewise.
16975 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
16977 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
16979 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16981 * alpha-protos.h: PROTO -> PARAMS.
16982 * alpha.c: Likewise.
16984 * h8300.c: Likewise.
16985 * i386-protos.h: Likewise.
16986 * i386.c: Likewise.
16987 * m32r-protos.h: Likewise.
16988 * m32r.c: Likewise.
16989 * mips.c: Likewise.
16990 * mips.md: Likewise.
16991 * gmon-sol2.c: Likewise.
16992 * sparc.c: Likewise.
16994 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16996 * ns32k-protos.h: New file.
16998 * ns32k.c: Fix compile time warnings.
17000 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
17003 * ns32k.md: Likewise.
17005 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17007 * vax-protos.h: New file.
17009 * vax.c: Fix compile time warnings.
17011 * vax.h: Move prototypes to vax-protos.h. Fix compile time
17014 * vax.md: Likewise.
17016 * vaxv.md: Likewise.
17018 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17020 * romp-protos.h: New file.
17022 * romp.c: Fix compile time warnings.
17024 * romp.h: Move prototypes to romp-protos.h. Fix compile time
17027 * romp.md: Likewise.
17029 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17031 * we32k-protos.h: New file.
17033 * we32k.c: Fix compile time warnings.
17035 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
17038 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17040 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
17042 * except.c (eh_regs): Likewise.
17044 * final.c (output_operand): Likewise.
17046 * fold-const.c (target_isinf, target_isnan): Likewise.
17048 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17050 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
17051 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
17053 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
17054 when optimize_size.
17055 (clrstrsi): Rewrite.
17056 (strsethi, strsetqi): New expanders.
17057 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
17058 (cmpstrsi): Emit compare insn before cmpstrsi_1
17059 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
17060 (strlensi_1): Likewise.
17061 (cmpstrsi_1): Likewise; do not output compare.
17062 (strlen expander): Do not unroll when optimizing for size.
17063 (*subsi3_carry): Rename to subsi3_carry
17064 (addqi3_cc): New pattern.
17065 * i386.h (processor_costs): Add move_ratio field.
17066 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
17067 * i386.c (*_cost): Set move_ratio.
17068 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
17069 (x86_expand_strlensi_1): Rewrite the main loop.
17071 2000-01-17 Richard Henderson <rth@cygnus.com>
17073 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
17074 * cse.c (find_comparison_args, fold_rtx): Likewise.
17075 * integrate.c (subst_constants): Likewise.
17076 * loop.c (get_condition): Likewise.
17078 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
17080 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
17082 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17084 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
17085 (RESTORE_WARN_FLAGS): Unpack it.
17086 Change semantic type of extension to ttype.
17087 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
17088 * c-parse.y, c-parse.c, objc/objc-parse.y,
17089 objc/objc-parse.c: Regenerate.
17091 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
17093 * fixinc/fixlib.c: Add copyright notice.
17094 (compile_re): New function.
17095 * fixinc/fixlib.h: Prototype compile_re.
17097 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
17098 Use compile_re to compile regular expressions.
17100 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
17101 where the pattern matched.
17103 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
17105 (ultrix_ansi_compat): Likewise.
17106 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
17108 (interactv_add2, interactv_add3): Delete.
17109 (x11_sprintf): Don't use filename glob.
17110 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
17113 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17115 * print-rtl.c: PROTO -> PARAMS.
17116 * real.c: Likewise.
17117 * reg-stack.c: Likewise.
17118 * resource.c: Likewise.
17119 * sdbout.h: Likewise.
17120 * simplify-rtx.c: Likewise.
17121 * stor-layout.c: Likewise.
17122 * stupid.c: Likewise.
17123 * xcoffout.c: Likewise.
17124 * xcoffout.h: Likewise.
17126 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17128 * toplev.c: PROTO -> PARAMS.
17129 * toplev.h: Likewise.
17130 * tree.c: Likewise.
17131 * tree.h: Likewise.
17132 * unroll.c: Likewise.
17133 * varasm.c: Likewise.
17134 * varray.c: Likewise.
17135 * varray.h: Likewise.
17137 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17139 * reload.c: PROTO -> PARAMS.
17140 * reload.h: Likewise.
17141 * reload1.c: Likewise.
17142 * reorg.c: Likewise.
17143 * resource.h: Likewise.
17146 * rtlanal.c: Likewise.
17147 * sbitmap.h: Likewise.
17148 * sdbout.c: Likewise.
17149 * stack.h: Likewise.
17150 * stmt.c: Likewise.
17151 * system.h: Likewise.
17153 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17155 * machmode.h: PROTO -> PARAMS.
17156 * mbchar.h: Likewise.
17157 * mips-tdump.c: Likewise.
17158 * mips-tfile.c: Likewise.
17159 * optabs.c: Likewise.
17160 * output.h: Likewise.
17161 * prefix.c: Likewise.
17162 * profile.c: Likewise.
17163 * protoize.c: Likewise.
17164 * real.h: Likewise.
17165 * recog.c: Likewise.
17166 * recog.h: Likewise.
17167 * regclass.c: Likewise.
17168 * regmove.c: Likewise.
17169 * regs.h: Likewise.
17171 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17173 * ggc-common.c: PROTO -> PARAMS.
17174 * ggc-page.c: Likewise.
17175 * ggc-simple.c: Likewise.
17177 * global.c: Likewise.
17178 * graph.c: Likewise.
17179 * gthr-win32.h: Likewise.
17180 * haifa-sched.c: Likewise.
17181 * halfpic.h: Likewise.
17182 * integrate.c: Likewise.
17183 * integrate.h: Likewise.
17184 * jump.c: Likewise.
17186 * local-alloc.c: Likewise.
17187 * loop.c: Likewise.
17188 * loop.h: Likewise.
17190 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17192 * genattr.c: PROTO -> PARAMS.
17193 * genattrtab.c: Likewise.
17194 * gencheck.c: Likewise.
17195 * gencodes.c: Likewise.
17196 * genconfig.c: Likewise.
17197 * genemit.c: Likewise.
17198 * genextract.c: Likewise.
17199 * genflags.c: Likewise.
17200 * gengenrtl.c: Likewise.
17201 * genopinit.c: Likewise.
17202 * genoutput.c: Likewise.
17203 * genpeep.c: Likewise.
17204 * genrecog.c: Likewise.
17206 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17208 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17210 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17212 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17213 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17214 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17215 * configure, config.in: Rebuilt.
17217 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17219 * config/i386/i386.md: Add peephole to merge successive stack
17222 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17224 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17225 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17226 when walking backwards to find all the parameter loads when
17227 the basic block ends in a call.
17229 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17231 * loop.c (this_loop_info): Delete.
17232 (uid_loop): Add in place of uid_loop_num. All uses updated.
17233 (loop_number_exit_count): Delete and replace with entry in loop
17234 structure. All uses updated.
17235 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17236 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17237 (loop_outer_loop): Likewise.
17238 (loop_invalid, loop_number_exit_labels): Likewise.
17239 (loop_used_count_register): Delete and replace with entry in
17240 loop_info structure.
17241 (find_and_verify_loops): Add loops argument.
17242 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17243 loop_end, etc. arguments with loop structure pointer. All callers
17245 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17246 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17247 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17248 (insert_bct): Likewise.
17249 (basic_induction_var): New argument level.
17250 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17251 vtop, and cont. Add used_count_register.
17252 (uid_loop): Delete declaration.
17253 (loop_number_exit_count): Likewise.
17254 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17255 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17256 (loop_outer_loop, loop_used_count_register): Likewise.
17257 (loop_invalid, loop_number_exit_labels): Likewise.
17258 (unroll_loop): Replace loop_start and loop_end arguments
17259 with loop structure pointer.
17260 (loop_precondition_p, loop_iterations): Likewise.
17261 Include basic-block.h.
17262 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17263 with loop structure pointer.
17264 (loop_precondition_p, loop_iterations): Likewise.
17265 * basic-block.h (struct loop): New entries vtop, cont,
17266 cont_dominator, start, end, top, scan_start, exit_labels,
17268 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17270 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17272 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17274 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17276 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17278 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17280 * pdp11-protos.h: New file.
17282 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17285 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17288 * pdp11.md: Likewise.
17290 * 2bsd.h: Likewise.
17292 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17294 * mn10300-protos.h: New file.
17296 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17299 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17302 * mn10300.md: Likewise.
17304 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17306 * mn10200-protos.h: New file.
17308 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17311 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17314 * mn10200.md: Likewise.
17316 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17318 * h8300-protos.h: New file.
17320 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17323 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17326 * h8300.md: Likewise.
17328 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17330 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17331 (asm_emit_uninitialised): Likewise.
17333 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17335 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17336 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17338 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17340 * config/mips/mips.c (override_options): Don't turn on extra
17341 alignment for mips16.
17343 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17345 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17346 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17349 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17351 * builtins.c (PAD_VARARGS_DOWN): Define.
17352 (std_expand_builtin_va_arg): Use the above macro.
17353 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17354 * tm.texi (Register Arguments): Document the above macro.
17356 2000-01-14 Nick Clifton <nickc@cygnus.com>
17358 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17359 that this function has not been used to emit a jump
17362 * jump.c (return_jump_1): Cope with being passed a null rtx.
17364 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17366 * eh-common.h: PROTO -> PARAMS.
17367 * emit-rtl.c: Likewise.
17368 * errors.c: Likewise.
17369 * errors.h: Likewise.
17370 * except.c: Likewise.
17371 * except.h: Likewise.
17372 * explow.c: Likewise.
17373 * expmed.c: Likewise.
17374 * expr.c: Likewise.
17375 * expr.h: Likewise.
17376 * final.c: Likewise.
17377 * fix-header.c: Likewise.
17378 * flow.c: Likewise.
17379 * fold-const.c: Likewise.
17380 * function.c: Likewise.
17381 * function.h: Likewise.
17383 * gcov-io.h: Likewise.
17384 * gcov.c: Likewise.
17385 * gcse.c: Likewise.
17387 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17389 * sh-protos.h: New file.
17391 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17392 Add static prototypes. Fix compile time warnings.
17394 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17398 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17400 * arc-protos.h: New file.
17402 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17405 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17408 * arc.md: Likewise.
17410 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17412 * dsp16xx-protos.h: New file.
17414 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17417 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17420 * dsp16xx.md: Likewise.
17422 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17424 * convex-protos.h: New file.
17426 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17429 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17432 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17434 * elxsi-protos.h: New file.
17436 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17439 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17442 * elxsi.md: Likewise.
17444 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17446 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17447 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17448 match the comment for MIPS16.
17450 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17452 * flow.c (split_edge): Do not call set_block_for_insn if we
17453 do not have a basic_block_for_insn structure.
17455 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17456 and destination functions are 32bit aligned within the trampoline.
17457 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17458 (TRAMPOLINE_ALIGNMENT): Define.
17460 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17461 (set (pc) (label_ref)), verify the change creates a valid insn.
17463 * fr30.c (call_operand): Tighten and rework to match rules for
17464 call RTL expressions.
17465 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17466 * fr30.md (call patterns): Improve constraints.
17468 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17470 * fr30.c (fr30_expand_epilogue): Revert last change.
17471 Use emit_jump_insn for the return insn.
17473 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17474 Stan Cox <scox@cygnus.com>
17476 * predict.c: New file. Preliminary infrastructure work for static
17477 branch prediction and basic block reordering.
17478 * basic-block.h: Add prototype for estimate_probability.
17479 * Makefile.in: Add rules for predict.o.
17481 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17483 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17484 * fixinc/*: Likewise.
17486 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17488 * cccp.c: PROTO -> PARAMS.
17489 * cexp.y: Likewise.
17490 * collect2.c: Likewise.
17491 * combine.c: Likewise.
17492 * convert.h: Likewise.
17494 * dbxout.c: Likewise.
17495 * dbxout.h: Likewise.
17496 * diagnostic.c: Likewise.
17497 * doprint.c: Likewise.
17498 * dwarf2out.c: Likewise.
17499 * dwarf2out.h: Likewise.
17500 * dwarfout.c: Likewise.
17501 * dwarfout.h: Likewise.
17502 * dyn-string.h: Likewise.
17504 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17506 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17507 macro conditionals guarding use.
17509 * dwarf2out.c: Include "tm_p.h".
17511 * function.c (locate_and_pad_parm): Mark parameter with
17513 (expand_function_end): Likewise for variable `context'.
17515 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17517 2000-01-13 Nick Clifton <nickc@cygnus.com>
17519 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17520 register to prevent compile time warnings.
17522 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17524 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17525 to avoid -Wtraditional warning.
17527 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17529 * 1750a-protos.h: New file.
17531 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17534 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17537 * 1750a.md: Likewise.
17539 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17541 * a29k-protos.h: New file.
17543 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17546 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17549 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17551 * clipper-protos.h: New file.
17553 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17556 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17559 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17561 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17563 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17565 * configure.in (--enable-new-gxx-abi): New option.
17566 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17567 * Makefile.in (GXX_ABI_FLAG): New variable.
17568 * configure: Regenerate.
17570 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17572 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17573 * tm.texi (FORCE_STRUCT_BLK): Document.
17574 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17576 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17578 * config/ns32k/ns32k.md: Revert Jan 9 change.
17580 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17581 to a mode-test, if the predicate is address_operand.
17583 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17585 * combine.c (if_then_else_cond): Be careful about what kinds
17586 of RTL expressions are passed to operand_subword.
17588 * flow.c (split_edge): If we have to insert a new jump, make
17589 sure to associate it with a basic block.
17591 * flow.c (commit_one_edge_insertion): A block with one successor
17592 can end in a JUMP_INSN that is not a simplejump.
17594 2000-01-12 Robert Lipe <robertl@sco.com>
17596 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17597 (BUILD_VA_LIST_TYPE): Define.
17598 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17601 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17603 * cccp.c (do_pragma): Add cast to (char *).
17605 2000-01-12 Richard Henderson <rth@cygnus.com>
17606 Fred Fish <fnf@be.com>
17607 Jason Merrill <jason@cygnus.com>
17609 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17610 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17611 * i386/beos-elf.h, i386/beos-pe.h: New files.
17613 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17614 * cross-make (SYSTEM_HEADER_DIR): Define using
17615 CROSS_SYSTEM_HEADER_DIR.
17617 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17618 (process_command): Use it.
17619 (main): Likewise. Kill trailing = from env vars.
17620 (build_search_list): Put it back.
17621 * collect2.c (main): Use LIBRARY_PATH_ENV.
17623 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17624 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17626 * tm.texi (Frame Layout): Document SMALL_STACK.
17627 * c-common.c (c_common_nodes_and_builtins): Check it.
17629 * system.h: Undef alloca after including glibc's <stdlib.h>,
17630 if USE_C_ALLOCA is defined.
17632 * gcc.c (set_input): New fn.
17633 (main): After all input files are compiled, reset the input file
17636 * aclocal.m4 (rindex, index): If already defined, don't attempt
17639 * ginclude/varargs.h: (__va_list__): Define ifndef.
17640 * ginclude/stdarg.h: Likewise.
17642 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17643 instead of unsigned char.
17645 * hash.h (true, false, boolean): Undef before enum.
17647 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17648 proper type of "HOST_WIDE_INT *", rather than their natural type of
17649 "unsigned HOST_WIDE_INT *".
17651 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17653 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17655 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17657 * regclass.c (choose_hard_reg_mode): Likewise.
17659 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17661 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17663 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17665 * c-common.c: PROTO -> PARAMS.
17666 * c-common.h: Likewise.
17667 * c-decl.c: Likewise.
17668 * c-iterate.c: Likewise.
17669 * c-lang.c: Likewise.
17670 * c-lex.c: Likewise.
17671 * c-lex.h: Likewise.
17672 * c-parse.in: Likewise.
17673 * c-pragma.c: Likewise.
17674 * c-pragma.h: Likewise.
17675 * c-tree.h: Likewise.
17676 * c-typeck.c: Likewise.
17677 * objc/objc-act.c: Likewise.
17678 * objc/objc-act.h: Likewise.
17680 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17682 * m88k-protos.h: New file.
17684 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17687 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17689 * m88k.md: Likewise.
17691 * tekXD88.h: Likewise.
17693 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17695 * m68k-protos.h: New file.
17697 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17700 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17702 * mot3300.h: Likewise.
17704 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17706 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17708 (extract_bitlist): Declare bitlen.
17710 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17712 * cccp.c: Accept and ignore -lang-fortran.
17714 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17715 qualifiers don't match at any level of pointerness.
17717 2000-01-12 Robert Lipe <robertl@sco.com>
17719 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17721 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17723 * reload1.c (reload_reg_unavailable): New static variable.
17724 (reload_reg_free_p): Test it.
17725 (reload_reg_free_for_value_p): Test it instead of
17727 (choose_reload_regs_init): Compute it.
17729 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17731 * reorg.c (fill_slots_from_thread): Check modified_in_p
17734 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17736 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17737 these nodes even if INTERNALS is not set.
17739 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17741 * gcse.c (delete_null_pointer_checks_1): Cope when
17742 get_condition cannot determine the condition.
17744 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17746 * toplev.h (set_message_length): Declare.
17748 * diagnostic.c (obstack_chunk_alloc): Define macro.
17749 (obstack_chunk_free): Likewise.
17750 (struct output_buffer): New data structure.
17751 (vmessage): Remove.
17752 (output_maximum_width): New variable.
17753 (doing_line_wrapping, set_message_length, init_output_buffer,
17754 get_output_prefix, output_space_left, emit_output_prefix,
17755 output_newline, output_append, output_puts, dump_output,
17756 vbuild_message_string, build_message_string, build_location_prefix,
17757 voutput_notice, output_printf, line_wrapper_printf,
17758 vline_wrapper_message_with_location): New functions. Implement
17759 automatic line wrapping.
17760 (v_message_with_decl): Make it handle automatic line wrapping.
17761 (v_error_with_file_and_line): Likewise.
17762 (v_warning_with_file_and_line): Likewise.
17763 (announce_function): Likewise.
17764 (default_print_error_function): Likewise.
17766 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17768 * cpplib.h (struct cpp_options): Change lang_asm to char.
17770 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17771 done in cpp_handle_option now.
17772 (initialize_builtins): Take out special case code used only by
17774 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17775 if -traditional. Recognize -lang-fortran and set
17776 lang_fortran, also turn off cplusplus_comments.
17777 (print_help): Document -lang-fortran.
17778 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17779 lang_asm. Ignore all directives other than `# 123 "file"' if
17781 (cpp_get_token): If -traditional, don't recognize directives
17782 unless the # is in column 1.
17783 (parse_string): If lang_fortran or lang_asm, silently
17784 terminate strings ('' or "") at end of line.
17785 Remove unnecessary braces.
17787 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17788 Richard Henderson <rth@cygnus.com>
17790 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17792 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17793 strict_low_part when possible.
17795 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17797 * alias.c: PROTO -> PARAMS.
17798 * basic-block.h: Likewise.
17799 * bitmap.c: Likewise.
17800 * bitmap.h: Likewise.
17801 * builtins.c: Likewise.
17802 * c-aux-info.c: Likewise.
17803 * caller-save.c: Likewise.
17804 * calls.c: Likewise.
17806 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17808 * Makefile.in (toplev.o): Depend on regs.h.
17810 * output.h (tdesc_section): Prototype.
17812 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
17814 * sdbout.c: Include "tm_p.h".
17816 * toplev.c: Include "regs.h".
17818 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
17820 * unroll.c (unroll_loop): Add EH support.
17822 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17824 * pa-protos.h: New file.
17826 * pa.c: Include recog.h and tm_p.h.
17827 (compute_zdepwi_operands, compute_movstrsi_length,
17828 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
17829 find_addr_reg, import_milli): Add static prototypes.
17830 (pa_cpu_string, pa_arch_string): Constify a char*.
17831 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
17832 (read_only_operand): Add argument `mode'.
17833 (singlemove_string, output_move_double, output_fp_move_double,
17834 output_block_move, output_and, output_ior, output_ascii,
17835 remove_useless_addtr_insns, milli_names, output_mul_insn,
17836 output_div_insn, output_mod_insn, output_arg_descriptor,
17837 output_cbranch, output_bb, output_bvb, output_dbra, ,
17838 output_millicode_call, output_call, hppa_encode_label,
17839 output_parallel_movb, output_parallel_addb): Constify a char*.
17840 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
17841 (output_parallel_addb): Remove extra arg to `constrain_operands'
17843 * pa.h: Move all prototypes to pa-protos.h.
17844 (pa_cpu_string, pa_arch_string): Constify a char*.
17845 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
17847 * pa.md: Call `function_label_operand' with mode argument.
17848 Likewise for `read_only_operand'.
17849 Fix nesting of parens in call to `symbolic_operand'.
17851 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17853 * i860-protos.h: New file.
17855 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
17858 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
17860 * i860.md: Likewise.
17862 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
17864 * i386.md (movstrsi expander): Rewrite.
17865 (movstrsi_1 insn): Deleted.
17866 (strmovhi, strmovqi expander): New expanders.
17867 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
17868 * i386.c (x86_single_stringop): New global variable.
17869 * i386.h (x86_single_stringop): Declare.
17870 (TARGET_SINGLE_STRINGOP): New macro.
17872 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17874 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
17875 integer vararg POSTINCREMENT before the destination of the jump
17876 for the hard fp case.
17877 (function_arg_pass_by_reference): Pass a copy of CUM to
17880 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
17881 for CONSTANT_ADDRESS_P above while loop for subreg.
17883 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
17885 * flow.c (propagate_block): When a prologue/epilogue insn
17886 is marked dead, unconditionally clear libcall_is_dead and
17887 insn_is_dead, and only dump rtl if warnings aren't being
17890 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
17892 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
17893 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
17894 (FIXED_REGISTERS): Set dirflag as fixed.
17895 (CALL_USED_REGISTERS): Set dirflag as used.
17896 (REG_ALLOC_ORDER): Set dirflag as last one.
17897 (DIRFLAG_REG): New macro.
17898 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
17899 (HI_REGISTER_NAMES): Add dirflag.
17900 (DEBUF_PRINT_REG): Handle dirflag.
17901 * i386.md (type attribute): New cld and str types.
17902 (length_opcode attribute): Set cld and str to 1.
17903 (memory attribute): Set str to unknown - it is not clear from the
17905 (pent_np function unit): Prefixed string operations takes 12 cycles
17906 minimally; cld takes 2 cycles.
17907 (ppro_uops attribute): Str is "many" and cld is "few".
17908 (ppro_p0 unit): Handle cld here.
17909 (k6_alux unit): Handle cld and str types.
17910 (k6_load unit): It is ocupied by str opcodes.
17911 (k6_store unit): It is ocupied by str opcodes.
17912 (athlon_decode): Str is vector decoded.
17913 (athlon_ieu): Handle str and cld.
17914 (cld pattern): New.
17915 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
17916 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
17917 cmpstrsi_nz_1 insn): Do not output cld instruction
17919 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
17921 * gcc.texi (G++ and GCC): Add Java and Chill.
17922 (Bug Critera): Don't list languages.
17924 * gcc.texi (Incompatibilities): No longer claim most C compilers
17927 * gcc.texi (G++ and GCC): Update other front-ends list.
17929 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
17931 * i386.c (ix86_expand_setcc): Fix typo.
17932 (ix86_expand_movcc): Similarly.
17934 * Band-aid until haifa's bitset implementation is nuked.
17935 * haifa-sched.c (extract_bitlst): New parameter for size of the
17936 bitset in bits. All callers changed. Avoid looking at undefined
17937 bits in the bitset.
17938 (edgeset_bitsize): New variable.
17939 (schedule_region): Initialize edgeset_bitsize.
17941 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17943 * Makefile.in (optabs.o): Depend on real.h
17944 (resource.o): Depend on insn-attr.h
17946 * builtins.c (result_vector): Wrap prototype in macro conditions
17947 governing definition and use.
17949 * c-common.c: Include tm_p.h.
17951 * c-lex.c: Likewise.
17953 * elfos.h: Constify a char*.
17955 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
17956 (get_attr_length, shorten_branches, profile_after_prologue): Mark
17957 parameter with ATTRIBUTE_UNUSED.
17959 * fold-const.c (exact_real_inverse): Wrap variable `i' in
17962 * haifa-sched.c (schedule_insns): Mark parameter with
17965 * optabs.c: Include real.h.
17967 * real.h (ereal_atof): Add prototype arguments.
17969 * resource.c: Include insn-attr.h.
17971 * sdbout.c (sdbout_queue_anonymous_type,
17972 sdbout_dequeue_anonymous_types): Wrap in macro
17973 SDB_ALLOW_FORWARD_REFERENCES.
17974 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
17977 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
17979 * stupid.c: Include tm_p.h.
17981 * tree.c (real_value_from_int_cst): Mark parameter with
17984 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17986 * i960-protos.h: New file.
17988 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
17991 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
17993 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17995 * combine.c (expand_field_assignment): Do not discard SUBREGs
17996 while computing nonzero_bits.
17998 2000-01-09 Nick Clifton <nickc@cygnus.com>
18000 * config/arm/arm.c: Fix compile time warnings about signed vs
18001 unsigned constants.
18002 * config/arm/arm.h: Fix compile time warnings about signed vs
18003 unsigned constants.
18005 2000-01-09 Philip Blundell <philb@gnu.org>
18007 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
18008 than `ldm' with only one register.
18009 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
18012 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
18015 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
18017 * config/ns32k/ns32k.md (load or push effective address): Operand 1
18020 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18022 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
18023 assignment used as truth value.
18025 * function.c (assign_temp): Mark parameter `dont_promote' with
18026 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
18027 PROMOTE_FOR_CALL_ONLY.
18029 * genrecog.c (write_subroutine): Mark variable `operands' with
18032 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
18035 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
18036 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
18038 * toplev.c (note_deferral_of_defined_inline_function): Likewise
18041 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18043 * config/c4x.h: Tidy up comments.
18044 * config/c4x.c: Likewise.
18046 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
18048 * fold-const.c (lshift_double, rshift_double): Handle
18049 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
18051 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18053 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
18054 in prepare_function_start().
18056 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
18058 * config/v850/v850.c (expand_epilogue): Interrupt functions no
18059 longer allocate extra stack for function calls.
18061 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18063 * config/c4x/c4x.md (*subqf3_set): Fix typo.
18065 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18067 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
18069 2000-01-07 David Edelsohn <edelsohn@gnu.org>
18071 * rs6000.c (processor_target_table): Add power3 as alias for 630.
18072 * aix43.h: Revert Aug 2 change.
18073 (HAS_INIT_SECTION): Define, not visible yet.
18074 (LD_INIT_SWITCH): Define, not visible yet.
18075 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
18077 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
18079 * collect2.c (main): Expand ld2 size further.
18080 (export_object_lst): Cast assignment to avoid warning.
18081 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
18082 (scan_prog_file, COFF): Do not collect initialization or
18083 finalization functions generated for entire shared object if
18084 init/fini support present.
18086 2000-01-07 Nick Clifton <nickc@cygnus.com>
18088 * config/elfos.h: Tidy up formatting of marcos. Make sure
18089 that .section directives are always prefixed by a tab.
18091 * config/svr4.h: Add #include "elfos.h" and remove duplicate
18094 2000-01-07 Matt Austern <austern@sgi.com>
18096 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
18099 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
18101 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
18103 (crtbegin.o, s-crtS): Likewise.
18105 2000-01-06 Richard Henderson <rth@cygnus.com>
18107 * alpha.md (adddi_2+1): Limit offset such that it will be
18108 loadable with a single ldah+lda pair.
18109 (adddi_2+2): Explicitly fail split if we can't make it work.
18111 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
18113 * protoize.c: Conditionally include unistd.h.
18114 (IS_SAME_PATH_CHAR): New macro.
18115 (IS_SAME_PATH): New macro.
18116 (CPLUS_FILE_SUFFIX): New macro.
18117 (cplus_suffix): New static variable.
18118 (is_abspath): New static function.
18119 (in_system_include_dir): Handle DOS style pathnames.
18120 (file_could_be_converted): Likewise.
18121 (file_normally_convertible): Likewise.
18122 (directory_specified_p): Likewise.
18123 (file_excluded_p): Likewise.
18124 (abspath): Likewise.
18125 (shortpath): Likewise.
18126 (referenced_file_is_newer): Likewise.
18127 (save_def_or_dec): Likewise.
18128 (do_processing): Likewise.
18130 (edit_file): Likewise. Use rename instead of link.
18131 (rename_c_file): Likewise. Don't rename syscalls file.
18132 (munge_compile_params): Define null device for DOS based systems.
18133 (process_aux_info_file): Use binary mode if appliable.
18134 (edit_file): Likewise.
18135 * invoke.texi (Running Protoize): Document C++ suffixes used.
18137 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
18138 IS_DIR_SEPARATOR macros.
18139 * collect2.c: Likewise.
18140 * cppinit.c: Likewise.
18141 * dwarf2out.c: Likewise.
18143 * gcov.c: Likewise.
18144 * prefix.c: Likewise.
18146 * toplev.c: Likewise.
18147 * system.h: And move to here.
18149 * prefix.c (update_path): Fix typo in variable name.
18151 2000-01-06 Richard Henderson <rth@cygnus.com>
18153 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
18154 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
18155 (count_reg_sets_1, count_reg_references): Likewise.
18156 (flow_loops_level_compute): Start counting actual loop depth at 1.
18157 (flow_loops_find): Likewise.
18158 * local-alloc.c (update_equiv_regs): Likewise.
18159 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
18161 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
18163 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
18164 FIRST_PSEUDO_REGISTER
18165 * dwarf2out.c: Don't include frame.h
18166 * dwarfout.c: Likewise
18167 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
18170 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
18172 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
18175 * i386.c (movsf splitter): Fix typo in my last checkin.
18177 2000-01-05 Nick Clifton <nickc@cygnus.com>
18179 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
18180 own definition of this macro.
18181 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
18182 flag_data_sections or UNIQUE_SECTION_P are true.
18184 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18185 unitialised data decls.
18187 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18188 being called for uninitialised data.
18190 * config/i386/interix.c (i386_pe_unique_section): Cope with
18191 being called for uninitialised data.
18193 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18194 for uninitialised data.
18196 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18197 for uninitialised data.
18199 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18200 for uninitialised data.
18202 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18203 (UNIQUE_SECTION_P): Always generate a unique section if
18204 flag_data_sections is true.
18205 (UNIQUE_SECTION): Also generate unique sections for
18206 uninitialised data.
18207 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18208 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18211 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18213 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18216 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18218 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18219 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18220 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18221 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18222 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18224 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18226 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18228 * c-decl.c (finish_enum): Simplify code to determine minimum and
18229 maximum values of the enum, and calculate the type. Remove check
18230 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18231 the DECL_INITIAL of each enumeration constant with a copy converted
18232 to the enumeration type. When updating variant types, don't bother
18233 updating the type itself.
18235 * c-typeck.c (build_binary_op): Simplify conditional expressions
18236 when weeding out spurious signed-unsigned warnings. Add new
18237 spurious warning category: if the unsigned quantity is an enum
18238 and its maximum value fits in signed_type(result_type). Update
18240 (build_conditional_expr): Warn here if one alternative is signed
18241 and the other is unsigned.
18243 2000-01-05 Nick Clifton <nickc@cygnus.com>
18245 * config/fr30/fr30.h: Remove extraneous comments.
18247 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18249 * reload1.c (choose_reload_regs): When disabling a reload, also
18250 set reload_spill_index to -1.
18252 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18254 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18256 (m68*-*-rtemself*): New target.
18257 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18258 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18259 (sparc*-*-rtemself*): New target.
18260 (sparc*-*-rtems*): Now elf not a.out.
18261 * config/i386/rtems.h: Include config/rtems.h.
18262 * config/i386/rtemself.h: Include config/rtems.h.
18263 * config/i960/rtems.h: Include config/rtems.h.
18264 * config/m68k/rtems.h: Include config/rtems.h.
18265 * config/m68k/rtemself.h: Include config/rtems.h.
18266 * config/mips/rtems64.h: Include config/rtems.h.
18267 * config/pa/rtems.h: Include config/rtems.h.
18268 * config/rs6000/rtems.h: Include config/rtems.h.
18269 * config/sh/rtems.h: Include config/rtems.h.
18270 * config/sh/rtemself.h: Include config/rtems.h.
18271 * config/sparc/rtems.h: Include config/rtems.h.
18272 * config/sparc/rtemself.h: Include config/rtems.h
18274 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18276 * final.c (shorten_branches): Correctly compute length of
18277 asms without operands.
18279 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18281 * configure.in: Add pj target.
18282 * configure: Regenerate.
18283 * config/pj: New directory.
18284 * config/pj/lib1funcs.S: New file.
18285 * config/pj/linux.h: New file.
18286 * config/pj/pj.c: New file.
18287 * config/pj/pj.md: New file.
18288 * config/pj/pjl.h: New file.
18289 * config/pj/t-pj: New file.
18290 * config/pj/xm-pj.h: New file
18292 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18294 * toplev.c (rest_of_compilation): Run shorten-branches before
18297 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18299 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18300 macros so that they're consistent with their names.
18301 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18302 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18304 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18306 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18307 modified inadvertently.
18309 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18311 * configure.in (v850*-*-rtems*): New target.
18312 * configure: Regenerate.
18313 * config/v850/rtems.h: New file.
18315 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18317 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18318 (__gthread_key_create): Likewise.
18319 (__gthread_key_dtor): Likewise.
18320 (__gthread_once): Fix logic.
18321 (__gthread_key_delete): Cast away constness.
18323 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18324 * invoke.texi: Document.
18325 * i386/mingw32.h (CPP_SPEC): Use.
18326 (LIBGCC_SPEC): Likewise.
18327 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18329 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18331 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18332 (HANDLE_PRAGMA_PACK): Undefine.
18333 (SLOW_UNALIGNED_ACCESS): Define.
18335 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18337 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18338 to default definition.
18339 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18340 (store_fixed_bit_field): Call macro with word_mode and alignment.
18341 (extract_bit_field): Call macro with relevant mode and alignment.
18342 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18343 to default definition.
18344 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18346 (move_by_pieces_ninsns): Likewise.
18347 (clear_by_pieces): Likewise.
18348 (emit_push_insn): Likewise.
18349 (store_field): Call macro with relevant mode and alignment.
18350 (expand_expr): Likewise.
18351 (expand_expr_unaligned): Likewise.
18353 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18354 (SLOW_UNALIGNED_ACCESS): Define.
18355 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18356 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18357 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18358 (toc_section): Likewise and .toc pseudo-op.
18359 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18361 (TEXT_SECTION_ASM_OP): Likewise.
18362 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18365 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18366 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18367 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18368 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18369 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18371 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18373 * regclass.c: Revert my Jan 4 change to loop cost computation.
18375 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18377 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18380 2000-01-04 Stan Cox <scox@cygnus.com>
18382 * haifa-sched.c (build_control_flow): Change unreachable simple
18383 loop test to check if current block has only one predecessor.
18384 (find_rgns): Initialize degree. Use dest as degree index, not src.
18386 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18388 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18390 * calls.c (expand_call): Likewise for
18391 `old_stack_arg_under_construction'.
18393 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18395 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18398 * gcc.c (execute): Likewise for `ut' and `st'.
18400 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18402 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18404 * jump.c (jump_optimize_1): Likewise for `temp2'.
18406 * local-alloc.c (block_alloc): Likewise for `r1'.
18408 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18410 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18411 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18413 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18416 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18417 and `goal_earlyclobber'.
18419 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18421 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18423 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18425 * unroll.c (copy_loop_body): Likewise for `copy'.
18427 * varasm.c (output_constructor): Likewise for `byte'.
18429 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18431 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18432 all FP constants for constant->reg moves.
18433 (ix86_split_to_parts): Try to convert memory address into immediate
18434 when available in the constant pool.
18435 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18437 (LEGITIMATE_CONSTANT_P): Return 1.
18438 * i386.md (pushsf): New splitter to convert constant pool memory
18439 reference to immediate.
18440 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18443 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18445 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18446 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18447 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18448 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18449 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18451 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18453 * ginclude/stdbool.h: Support compilation as C++.
18455 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18457 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18459 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18461 * regclass.c (regclass): Properly compute loop_cost. Adjust
18464 * regclass.c: Fix minor whitespace problems.
18466 2000-01-03 Anthony Green <green@cygnus.com>
18468 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18469 Restore the pic register if required.
18471 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18473 * c-common.c (format_char_info): Update comment.
18474 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18475 was recognized. Emit warning for formats new in ISO C99 only
18476 if flag_isoc9x is not set.
18478 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18480 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18482 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18484 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18485 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18486 (make_compound_operation): Choose cheaper alternative between
18487 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18489 * regclass.c (op_costs): Remove global variable.
18490 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18491 (record_operand_costs): Break out from ...
18492 (scan_one_insn): ... here.
18493 (dump_regclass): Make dumps nicer.
18494 (regclass): Dump preferrences choosed and changes done during passes.
18496 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18498 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18500 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18502 * config/sparc/sparc.c (gen_df_reg): New function.
18503 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18504 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18505 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18506 movtf_cc_reg_sp64+1): Use it.
18508 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18510 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18511 copied LABEL_DECLs.
18513 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18515 * config/i386/i386.c (ix86_expand_unary_operator): Function
18516 definition made void.
18517 (ix86_expand_binary_operator): Update outdated preceding comment.
18518 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18521 * config/i386/i386.c (override_options): Fix option-name typo.
18523 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18525 * system.h (CEIL): Define.
18526 * builtins.c (CEIL): Remove.
18527 * expmed.c (CEIL): Likewise.
18528 * expr.c (CEIL): Likewise.
18529 * stor-layout.c (CEIL): Likewise.
18531 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18533 * expr.c (store_constructor_field): Fix typo introduced with last
18536 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18538 * tree.h (BINFO_N_BASETYPES): New macro.
18540 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18542 * expmed.c (emit_store_flag): Prevent losing a pending stack
18543 adjust the same way we prevent losing queued increments.
18545 See ChangeLog.2 for earlier changes.