1 2000-07-26 Nick Clifton <nickc@cygnus.com>
3 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
4 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
6 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
7 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
9 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
11 * c-decl.c (finish_enum): Convert enumerations that fit in an
13 (build_enumerator): In pedantic mode, cast to `int' those that
16 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
18 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
20 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
22 * sh.md (cmpgtdi_t): Must be split.
23 (cmpgtdi_t+1): New splitter.
25 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
27 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
28 warnings for indented directives even if we are skipping.
30 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
32 * invoke.texi (strict-prototypes): Remove.
33 * extend.texi (Deprecated Features): Add strict-prototypes.
34 (Backwards Compatibility): New node.
36 2000-07-25 Jakub Jelinek <jakub@redhat.com>
38 * config/i386/i386.md (andsi_1+1): Allow HImode.
39 (andsi_1+2): Require q_regs_operand.
41 2000-07-25 Jakub Jelinek <jakub@redhat.com>
43 * config/i386/i386.md (call_pop): Check operands[0],
44 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
46 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
47 (call_value): Likewise.
49 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
51 * toplev.c (pipe_closed): Delete.
52 (crash_signal): New. Generate ICE for a fatal signal.
53 (float_signal): Call crash_signal outside a float-handler
55 (main): Install crash_signal as handler for core-dumping signals.
57 2000-07-25 David Edelsohn <edelsohn@gnu.org>
59 * rs6000.c (print_operand, case 'T'): New case.
61 * rs6000.md (call_indirect_aix32): Convert to expander of
62 scheduled instructions.
63 (call_indirect_aix64): Likewise.
64 (call_value_indirect_aix{32,64}): Likewise.
65 (call, call_value): Invoke expanders for AIX. Fall through to
67 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
68 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
69 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
71 (call_nonlocal_aix64): Likewise.
72 (call_value_nonlocal_aix{32,64}): Likewise.
73 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
75 (call_value_nonlocal_sysv): New pattern.
76 (indirect_jump{si,di}): Use new 'T' modifier.
77 (tablejump{si,di} matchers): Likewise.
78 (return_internal_{si,di}): Likewise.
79 (return_eh_{si,di}): Likewise.
81 2000-07-24 Richard Henderson <rth@cygnus.com>
83 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
84 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
85 * config/ia64/ia64.md (movdi_internal): Use it.
87 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
89 * cppexp.c: Warn about unary + if -Wtraditional.
90 * cpplex.c (lex_line): Always set BOL on the first token of a line.
92 2000-07-24 Michael Meissner <meissner@redhat.com>
94 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
97 2000-07-24 Nick Clifton <nickc@cygnus.com>
99 * config/arm/arm.c (emit_multi_reg_push): Generate a
100 REG_FRAME_RELEATED_NOTE that is compatable with the code in
101 dwarf2out_debug_frame_expr.
103 2000-07-24 Jason Merrill <jason@redhat.com>
105 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
106 UNALIGNED_INT_ASM_OP.
107 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
108 a location expression.
109 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
110 assume indirect access if we're saving the CFA address exactly.
112 * Makefile.in (bootstrap): Move -BstageN/ to the end.
114 2000-07-24 Jakub Jelinek <jakub@redhat.com>
116 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
119 2000-07-24 Michael Meissner <meissner@redhat.com>
121 * invoke.texi (D30V Options): Add d30v options.
123 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
125 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
126 needed by our gcse pass anymore.
127 (free_pre_mem): Corresponding changes.
128 (compute_pre_data): Do not call compute_transpout anymore.
130 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
131 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
134 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
135 (compute_pre_data): Do it here instead.
137 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
139 (pre_delete): Corresponding changes.
141 2000-07-23 Mark Mitchell <mark@codesourcery.com>
143 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
144 to figure out whether or not a variable has already been emitted.
146 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
148 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
151 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
153 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
155 2000-07-23 Kazu Hirata <kazu@hxi.com>
157 * h8300.c: Fix formatting.
159 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
161 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
162 for `long' switch expression into a plain warning.
164 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
165 (yylex): Don't pedwarn for "inline" in C99 mode.
167 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
169 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
170 ggc_alloc): Likewise.
171 * bb-reorder.c (dump_scope_forest_1): Likewise.
173 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
175 * reload.c (find_reloads_toplev): Add new parameter
177 (find_reloads): Add new parameter to find_reloads_toplev calls.
179 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
181 * collect2.c (main): Typo fixed.
182 * diagnostic.c: Typo fixed.
183 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
184 * eh-common.h: Typo fixed.
185 * emit-rtl.c (start_sequence): Typo fixed.
186 * flow.c (find_label_refs): Typo fixed.
187 (calculate_global_regs_live): Typo fixed.
188 (mark_regno_cond_dead): Typo fixed.
189 (create_edge_list): Typos fixed.
190 (verify_edge_list): Typo fixed.
191 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
192 * loop.c (strength_reduce): Typo in function name fixed.
193 * rtl.h: Added comments. Typo in function name fixed.
194 * rtlanal.c: Typo in function name fixed.
195 (insn_dependant_p): Rename to ...
196 (insn_dependent_p): ... this.
197 (computed_jumo_p): Typo fixed.
199 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
201 * system.h (__FUNCTION__): Wrap definition in #ifndef.
203 2000-07-21 David Edelsohn <edelsohn@gnu.org>
205 * rs6000.h (SIZE_TYPE): Define.
207 2000-07-21 Mark Mitchell <mark@codesourcery.com>
209 * ssa.c (rename_insn_1): Don't rename registers that are
212 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
214 * diagnostic.c (trim_filename, fancy_abort): Moved here from
216 (fatal_function, set_fatal_function): Removed.
217 (fatal): Don't prepare for or call the fatal_function.
218 (diagnostic_lock, error_recursion): New.
219 (diagnostic_for_decl, report_diagnostic): Guard against
220 re-entering the error reporting routines.
221 (fancy_abort): Assume function is not NULL.
223 * errors.c (fancy_abort): New. Assume function is not NULL.
224 * tradcpp.c (fancy_abort): Assume function is not NULL.
226 * system.h: Provide default definition of __FUNCTION__.
227 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
228 Always use __FUNCTION__ in definition of abort.
230 * varray.h: Likewise.
231 * toplev.h: Likewise. Don't prototype set_fatal_function.
233 2000-07-20 Geoff Keating <geoffk@cygnus.com>
235 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
237 * glimits.h: Don't do #if defined for ARCH_PPC.
239 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
240 constants of size no larger than a pointer should go in the TOC.
241 Add 'MODE' parameter.
242 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
243 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
244 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
245 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
246 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
247 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
248 (rs6000_legitimize_address): Likewise.
249 (rs6000_emit_move): Likewise.
250 (rs6000_select_rtx_section): Likewise.
251 (output_toc): Deal properly with outputting small constants like
252 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
253 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
254 MODE parameter. Put small constants in the TOC.
256 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
258 (rs6000_emit_move): When reload calls us with an illegitimate
259 address, exit early. Move the change_address calls to one place
260 at the end of the routine. Merge the SImode and DImode expanders.
261 When called by reload to put an integer into a FP register, force
264 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
266 (rs6000_hash_constant): Hash mode too.
267 (toc_hash_function): Allow for key_mode.
268 (toc_hash_eq): Structures are different if key_mode differs.
269 (output_toc): Add 'mode' parameter. Save key_mode.
270 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
271 Pass 'mode' parameter.
272 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
274 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
275 for vtable references.
277 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
278 choice, don't put integer values in FP regs.
280 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
282 * flow.c (verify_flow_info): Revamp code to verify that the
283 head and end of each basic block are in the insn chain.
285 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
287 * gcse.c (record_one_set): Prepend instead of append onto
288 reg_set_table, making it O(n) instead O(n^2).
289 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
290 Use a queue instead of a stack as worklist.
292 2000-07-20 Kazu Hirata <kazu@hxi.com>
294 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
295 * h8300.h (OK_FOR_T): New.
296 (EXTRA_CONSTRAINT): Support OK_FOR_T.
297 * h8300.md: Use inc/dec.[wl] for increment/decrement
298 by 1 and 2 in HI and SI modes.
300 2000-07-20 Jim Wilson <wilson@cygnus.com>
302 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
305 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
307 * cppmacro.c (CAN_PASTE_AFTER): New macro.
308 (count_params): Don't set GNU_REST_ARGS on anything.
309 (save_expansion): Set PASTE_LEFT only on tokens for which
310 CAN_PASTE_AFTER is true, or which are named operators.
312 * cpplex.c (parse_args): Distinguish between a rest argument
313 given one empty argument, and a rest argument given zero arguments.
314 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
315 deletion of previous token based on that.
316 (get_raw_token): Flatten some control structure.
318 * cpplib.h (CPP_LAST_EQ): Correct.
319 (VOID_REST): New token flag.
320 (GNU_REST_ARGS): Delete.
322 * tradcpp.c (main): Don't munge -D options.
323 (make_definition): Bring -D handling in line with cpplib.
324 (do_define): Strip all leading whitespace from macro definitions.
326 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
328 * Makefile.in (tradcpp): Depend on intl.o and version.o.
330 2000-07-20 Bruce Korb <bkorb@gnu.org>
332 * fixincl/check.tpl: strip the platform specific types before testing
333 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
334 * fixincl/fixincl.tpl: use platform specific types
335 * fixincl/fixlib.h: include the platform specific types
336 * fixincl/inclhack.def(gnu_types): don't supply the types
337 * fixincl/fixincl.x: regen
339 2000-07-19 Jim Wilson <wilson@cygnus.com>
341 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
344 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
346 * tradcpp.c (rescan): Do not recognize directives when the #
349 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
351 Implement C++ named operators.
353 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
354 of operators allowed in #if and having an _EQ variant. Add
355 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
356 (cpp_token flags): Add NAMED_OP.
357 (enum node_type): Add T_OPERATOR.
358 (struct cpp_hashnode): Add code slot to value union.
359 * cpphash.h (spec_nodes): Remove n_defined.
361 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
362 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
363 (is_macro_disabled): Tweak error messages.
365 * cpplib.c (get_define_node): Disallow all named operators as
366 macro names. Tweak error messages.
367 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
369 * cppinit.c (builtin_array): Add entries for the named operators.
370 * cppexp.c (lex): Check for CPP_DEFINED token.
371 (priority table): Add entries for CPP_MIN and CPP_MAX.
372 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
374 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
376 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
377 larger than the array of cuids.
378 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
381 2000-07-19 Bruce Korb <bkorb@gnu.org>
383 * fixinc/fixincl.c: Convert to using a table of environment variables
384 and activate the auto-edit marker on the fixed output files.
385 * fixinc/fixlib.h: Define the environment table
386 * fixinc/fixincl.sh: export the ${INPUT} dir
387 * fixinc/check.tpl: likewise
389 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
391 * gcc.c (.h spec): Fix typo.
393 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
395 * Makefile.in: Fix tradcif.c path.
397 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
399 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
402 * cpphash.h (TOKEN_NAME): New macro.
403 (_cpp_spell_operator): Deleted.
404 (token_spellings): Now _cpp_token_spellings.
406 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
407 * cpplex.c: Use OP and TK macros when expanding the
408 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
409 store the stringification of the enumeration name (CPP_CHAR,
410 etc.) in the name slot of token_spellings.
411 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
412 token_spellings directly.
413 * cpplib.c: Use TOKEN_SPELL.
415 * cpplex.c (_cpp_push_token): If the token being pushed back
416 is the previous token in this context, just subtract one from
418 * cppmacro.c (save_expansion): Clear aux field when storing a
421 2000-07-18 Jakub Jelinek <jakub@redhat.com>
423 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
424 buffer, provided it is not NULL.
426 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
428 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
429 case of invalid volatile re-declaration.
431 2000-07-18 Jakub Jelinek <jakub@redhat.com>
433 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
434 (expand_call): Adjust caller.
436 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
438 * diagnostic.h (report_diagnostic): Change prototype.
440 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
441 diagnostic_for_decl): Change prototype.
442 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
443 error, warning, error_with_file_and_line,
444 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
445 Adjust call to report_diagnostic, diagnostic_for_decl.
446 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
447 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
449 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
450 varaible argument list.
452 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
454 * cpphash.c: Don't include hashtab.h. Most macro-handling code
456 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
457 dump_hash_helper): Delete.
458 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
459 cpp_forall_identifiers): New. Implement specialized version of
460 Vlad's expandable hash table.
461 (cpp_lookup): Use new functions.
462 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
464 * cppmacro.c: New file.
465 * cppinit.c (dump_macros_helper): New.
466 (cpp_finish): Iterate over the identifier table directly.
467 * cpplex.c (parse_name): Calculate the hash of the identifier
468 while we scan it. Use _cpp_lookup_with_hash when we can.
470 * cpphash.h: Update prototypes.
471 (xcnewvec, HASHSTEP): New helper macros.
472 * cpplib.h: Update prototypes.
473 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
474 (cppmacro.o): New rule.
475 (cpphash.o): Update deps.
477 * cppmain.c: Do not set pfile->printer if no_output is on.
479 2000-07-15 Neil Booth <neilb@earthling.net>
481 * cpplib.c: Change all directive-handler functions to return
483 * cpphash.h: Update typedefs.
485 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
487 * configure: Regenerate.
489 * extend.texi (Extended Asm): Mention that a memory clobber
490 does not count as a side-effect.
492 * unroll.c (copy_loop_body): Fix one instance of using host
493 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
496 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
498 2000-07-17 Richard Henderson <rth@cygnus.com>
500 * config/ia64/ia64.md (movdi): Split out load address code.
501 New post-reload splitter for symbolic operands.
502 (movdi_internal): Abort if we didn't split symbolic operands
504 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
505 (ia64_reorg): Split insns when not optimizing.
506 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
508 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
510 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
511 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
513 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
515 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
517 2000-07-17 Jason Merrill <jason@redhat.com>
519 * Makefile.in (clean): Remove libgcc directory.
521 * configure.in (-Wno-long-long check): Use higher-level macros.
523 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
525 * simplify-rtx.c (simplify_binary_operation): Recognize
526 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
527 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
528 a CONST_INT, it will always be zero.
530 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
532 * loop.c (check_dbra_loop) : Return if more than one condition is
533 present to control the loop.
535 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
537 * mips.c (mips_expand_prologue): Don't calculate the last argument
538 register unless we need it. When we are calculating this, make
539 sure FUNCTION_ARG is giving us a REG.
541 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
543 * flow.c (libcall_dead_p): Use single_set to verify the insn
544 has only one set and get for analysis.
545 (propagate_one_insn): Don't pass the PATTERN of the insn.
547 2000-07-17 Mark Klein <mklein@dis.com>
549 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
551 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
553 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
554 * configure.in (TARGET_GETGROUPS_T): Evaluate.
555 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
556 of second argument of getgroups.
557 * configure, config.in: Rebuilt.
559 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
561 * simplify-rtx.c (simplify_relational_operation): Two signed
562 values with equal high words are less/greater than each other if
563 their low words are less/greater when considered as unsigned.
565 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
567 * configure.in (vax-*-openbsd): Change to new style configuration,
568 add collect2/float_format information.
569 * configure: Rebuilt.
570 * config/vax/openbsd1.h: New.
571 * config/vax/openbsd.h: New.
572 * config/vax/t-openbsd: New.
574 2000-07-17 Chip Salzenberg <chip@valinux.com>
576 * c-common.c (shorten_compare): Quiet warnings about unsigned
577 comparisons with zero when they occur in a system header.
579 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
581 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
582 update to describe current practice.
584 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
586 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
587 references to C9X. Change references to -fstd and -flang-isoc9x
590 * c-common.c (scan_char_table): Allow "z" length modifiers on
592 (check_format_info): Use TYPE_DOMAIN on the type matched against
593 for "z" formats, to retrieve the language size_t rather than the
596 * c-common.c (check_format_info): Do not make a pedantic objection
597 to the 'L' length modifier if used with a floating point type
600 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
601 constants in C99 mode.
603 2000-07-17 Kazu Hirata <kazu@hxi.com>
605 * h8300.md: Fix the format of mac.
606 (movsi_h8300hs): Output a tab after stmac instead of a space.
608 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
609 profitable adds/subs sequences.
611 * fold-const.c: Fix comment typos.
613 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
615 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
617 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
619 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
621 2000-07-16 Neil Booth <NeilB@earthling.net>
623 * cpplex.c: Update comments.
624 * README.Portability: Small update.
626 2000-07-16 Neil Booth <NeilB@earthling.net>
628 * README.Portability: Small update.
630 2000-07-15 Richard Henderson <rth@cygnus.com>
632 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
633 * config/ia64/ia64.c (ia64_move_ok): New function.
634 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
635 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
637 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
639 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
640 immediately following a paste operator.
641 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
642 (cpp_reader_init): Call it, if HOST_EBCDIC.
643 (cpp_handle_options): Do not sort option list here.
644 (handle_option): Rename to cpp_handle_option and export.
645 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
646 _cpp_get_token directly.
647 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
648 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
649 * cpplib.h: Prototype cpp_handle_option. Update prototype of
652 2000-07-15 Richard Henderson <rth@cygnus.com>
654 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
655 cast around an expression. Tidy other unsigned tests.
657 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
659 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
660 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
661 (v_message_with_decl): Rename to ...
662 (format_with_decl): ... this. Tweak
663 (diagnostic_for_decl): New function.
664 (fatal_io_error): Use verbatim in lieu of notice.
665 (announce_function): Use verbatim.
666 (default_print_error_function): Likewise.
667 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
670 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * mips.c (function_arg_pass_by_reference): Don't do automatic
673 aggregate initialization.
674 (machine_dependent_reorg): Initialize variable `mode'.
676 * mips.md (absdi2): Change variable `regno1' to unsigned int.
677 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
678 conflicts with sys/param.h macro of the same name.
679 (reload_outdi): Likewise.
681 2000-07-15 Michael Meissner <meissner@redhat.com>
683 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
684 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
685 create a new node instead.
687 2000-07-15 Neil Booth <NeilB@earthling.net>
689 * README.Portability: Correct example about calling a function
690 through a pointer to function. Format wide paragraphs.
692 2000-07-15 Michael Meissner <meissner@redhat.com>
694 * README.Portability: Update integer suffixes and function
697 2000-07-15 Neil Booth <NeilB@earthling.net>
699 * README.Portability: Small update.
701 2000-07-15 Neil Booth <NeilB@earthling.net>
703 * README.Portability: New file.
705 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
707 * INSTALL: Give special instructions for building GCC on Irix 6.
708 * config/mips/x-iris6 (CC): Don't set it.
711 2000-07-14 Jason Merrill <jason@redhat.com>
713 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
714 register in the stack and later in another register, use the new
717 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
719 * config/mips/mips.md: (absdi2): Handle sign_extend for
722 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
724 * cpplib.c (do_pragma_dependency): Tidy warning messages.
726 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
728 * .cvsignore: Correct typo.
730 2000-07-13 Mark Mitchell <mark@codesourcery.com>
732 * .cvsignore: Add generated YACC files.
733 * objc/.cvsignore: New file.
735 2000-07-14 Neil Booth <NeilB@earthling.net>
737 * cpplex.c (adjust_column): New funcion.
738 (skip_whitespace): Use it.
739 (skip_block_comment): Use it, and warn about /*/* with
742 2000-07-14 Neil Booth <NeilB@earthling.net>
744 * cpphash.c (struct macro_info): Add new members.
745 (_cpp_free_definition): Delete the macro directly.
746 (count_params): Return void, with first token of
747 expansion in struct macro_info on success.
748 (parse_define): Return int. Hoist syntax checking from
749 save_macro_expansion. Leave call to save_expansion to
750 _cpp_create_definition.
751 (alloc_macro): Needs just 2 arguments.
752 (free_macro): Delete.
753 (save_expansion): Don't perform syntax check.
754 (_cpp_create_definition): Call save_expansion.
756 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
758 * genrecog.c (write_header): Split long string.
760 * cpphash.c (macro_info): Don't use the `signed' keyword.
762 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
764 2000-07-13 Jakub Jelinek <jakub@redhat.com>
766 * calls.c (stored_args_map): New variable.
767 (check_sibcall_argument_overlap_1): New.
768 (check_sibcall_argument_overlap): New.
769 (expand_call): Initialize stored_args_map.
770 Call check_sibcall_argument_overlap.
772 2000-07-13 Bruce Korb <bkorb@gnu.org>
774 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
775 (emit_gnu_type): utility procedure for gnu_type_fix
776 (gnu_type_fix): implement various pre-processor guards around
777 standard types so these types can be defined over and over
778 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
779 types alluded to above will have GNU-compliant base types
780 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
781 * fixinc/inclhack.def: add test_text entries and utilize the new
782 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
783 * fixinc/fixincl.x: regenerate
785 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
787 * diagnostic.c (vline_wrapper_message_with_location,
788 v_message_with_file_and_line, v_error_with_file_and_file,
789 v_error_for_asm, v_warning_for_asm, vfatal,
790 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
791 vsorry, verror, vwarning, vpedwarn): Remove.
792 (diagnostic_for_asm): New function.
793 (pedwarn, error, warning, pedwarn_with_file_and_line,
794 error_with_file_and_line, warning_with_file_and_line, sorry,
795 error_for_asm, warning_for_asm, fatal): Reimplement.
796 (finish_diagnostic): Clear diagnostic info as well.
798 2000-07-13 Neil Booth <NeilB@earthling.net>
800 * c-common.h (flag_digraphs): New.
801 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
802 * c-lex.c (yylex): Use flag_digraphs to decide whether to
805 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
807 * gcc.c (do_spec_1): Add new %B operator.
808 (set_input): Prepare for %B.
810 (link_command_spec): Move up with the other tm.h-
811 overrideable specs. Factor out the portion conditional on
812 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
813 (struct compiler): Just have a single spec string. All users
815 (default_compilers): Remove unnecessary braces.
816 (static_specs): Update.
818 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
820 (C and assembly specs): Use the new named specs, as appropriate.
822 * objc/lang-specs.h: Use the new named specs.
823 Remove unnecessary braces.
825 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
827 * gcc.c (execute): If a subprocess gets a fatal signal, report
828 strsignal() of the signal number, and ask for a bug report.
829 Do not do this for SIGPIPE if there's already been an error.
831 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
836 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
838 * final.c (profile_function): Do not emit profile counters in
839 the data section, if NO_PROFILE_COUNTERS is defined.
840 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
843 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
844 (FUNCTION_PROFILER): Just emit a call to mcount.
846 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
848 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
850 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
851 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
852 traditional, lang_chill, or lang_fortran.
854 * cppfiles.c: #undef strcmp to suppress warning about macros
855 used without arguments.
856 (_cpp_execute_include): Use f, not fname, in "No include path"
858 (_cpp_pop_file_buffer): New function.
859 * cpplib.c: Don't include <sys/mman.h>.
860 (cpp_push_buffer): Set line_base and lineno in new buffer.
861 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
863 * cpplex.c: Move all prototypes and structure declarations to the
864 top of the file. Properly parenthesise some macro arguments.
865 (cpp_scan_line): New function.
866 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
867 don't need to walk up the stack counting.
869 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
871 * c-common.c (combine_strings): Emit a pedantic warning when a
872 string length is greater than the minimum ANSI C is required
875 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
877 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
878 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
880 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
882 * c-decl.c (define_label): Warn about identifier conflicts with
883 labels in traditional C.
885 * c-parse.in (unop +): Warn about the unary plus operator for
888 * c-typeck.c (store_init_value): Warn about automatic aggregate
889 initialization for traditional C.
891 * invoke.texi (-Wtraditional): Document new warnings.
893 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
895 * Makefile.in (c-errors.o): Fix thinko in dependency.
897 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
899 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
900 -traditional, -ftraditional, or -traditional-cpp was given.
901 Do not pass -traditional to the preprocessor.
902 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
903 preprocessor does it automatically.
904 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
906 * ch/lang-specs.h: Always use tradcpp. Do not pass
907 -traditional, -trigraphs, or -pedantic to the preprocessor.
908 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
911 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
913 * cppexp.c (LOGICAL): Delete macro.
914 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
917 * cpphash.c (HASHSIZE): Increase to 4096.
918 (struct hashdummy): Add hash field.
919 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
920 the string values using memcmp.
921 (cpp_lookup): Set dummy.hash.
923 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
925 * configure.in (m88k-openbsd): Express configuration using new fragment
927 * configure: Rebuilt.
928 * m88k/aout-dbx.h: New.
929 * m88k/openbsd.h: New.
930 * m88k/xm-openbsd.h: New.
932 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
934 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
936 2000-07-12 Richard Henderson <rth@cygnus.com>
938 * reload.c (push_secondary_reload): Make sure to add the new
939 reload at the end, after acquiring secondary memory.
941 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
943 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
945 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
946 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
948 * c-parse.in (stmt): Delete unused variables.
950 * convert.c (convert_to_vector): Likewise.
952 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
954 * tree.c (finish_vector_type): Prototype.
956 2000-07-12 Bruce Korb <bkorb@gnu.org>
958 * fixinc/fixfixes.c: use xmalloc
959 * fixinc/fixincl.c(initialize): set program name for xmalloc
960 * fixinc/fixlib.c(must_malloc): obsolete
961 (is_cxx_header): no longer used - disabled
962 (skip_quote): inserted and disabled for future use
963 * fixinc/fixlib.h: reflects above
964 * fixinc/fixtests.c: removed dinkleberries
966 2000-07-12 Neil Booth <NeilB@earthling.net>
968 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
969 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
971 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
972 struct toklist_dummy): New.
973 (cpp_free_definition): Free macros with free_macro.
974 (count_params): Don't save paramter spellings. Save macro
975 information in a struct macro_info.
976 (parse_define): Don't allocate a token list.
977 (save_expansion): Allocate the macro's token list, and
978 save parameter spellings if necessary. Use TOKEN_SPELL.
979 (cpp_create_definition): Make list const.
981 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
983 * c-typeck.c (pedwarn_c99): Move to
984 * c-errors.c: ... Here.
985 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
986 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
987 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
988 (c-errors.o): List dependency.
990 2000-07-12 Mark Mitchell <mark@codesourcery.com>
993 * c-parse.h: Likewise.
994 * c-parse.y: Likewise.
995 * objc/objc-parse.c: Likewise.
996 * objc/objc-pasre.y: Likewise.
998 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
1000 * gcc.texi: Fix minor typos
1001 * extend.texi: Fix minor typos
1003 2000-07-11 Marc Espie <espie@openbsd.org>
1005 * collect2.c (main): Recognize .lo as object files.
1007 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1009 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
1012 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
1013 with MAP_ANONYMOUS and MAP_ANON.
1014 * configure, config.in: Rebuilt.
1016 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
1018 * diagnostic.c (save_output_state): Remove.
1019 (restore_output_state): Likewise.
1020 (clear_text_info): New function.
1021 (clear_diagnostic_info): Likewise.
1022 (output_text_length, is_starting_newline, output_prefix,
1023 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
1024 prefixing_policy, output_buffer_ptr_to_format_args): New macros
1025 (set_real_maximum_length, output_set_maximum_length,
1026 output_set_prefix, output_get_prefix, output_set_maximum_length,
1027 output_destroy_prefix, init_output_buffer,
1028 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
1029 output_add_newline, output_add_character, output_add_space,
1030 output_append_r, output_append, wrap_text, output_format,
1031 output_do_printf, output_printf, output_do_verbatim,
1032 output_verbatim, verbatim): Use them.
1033 (output_clear): Split into cleat_text_info and
1034 clear_diagnostic_info.
1035 (struct output_state): Move to...
1037 * diagnostic.h: ...Here
1038 (struct output_buffer): Adjust.
1040 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
1042 * cpplex.c (parse_name): No longer inline (premature optimization).
1043 (do_pop_context): Fold into pop_context.
1044 (pop_context): Returns int.
1045 (lex_next): Hoist test for end of directive into pop_context.
1046 (push_macro_context): Returns int; takes just reader and token.
1047 Hoist test for excessive nesting to caller.
1048 (push_arg_context): Returns void; takes just reader and token.
1049 Do not call stringify_arg or get_raw_token.
1050 (get_raw_token): Convert tail recursion through push_arg_context
1051 to a loop at this level. Call stringify_arg here if appropriate.
1052 (maybe_paste_with_next): Convert tail recursion to a while loop.
1053 Hoist test of paste_level to caller.
1055 (stringify_arg): Push arg context at beginning.
1056 (cpp_get_token): Split out core into _cpp_get_token. Call
1057 process_directive here. Throw away CPP_PLACEMARKER tokens.
1058 (_cpp_get_token): Convert tail recursion through
1059 push_macro_context to a loop at this level.
1060 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
1061 _cpp_get_raw_token): Use _cpp_get_token.
1062 (_cpp_skip_rest_of_line): Drop the context stack directly; do
1063 not call pop_context.
1064 (_cpp_run_directive): Call lex_next directly.
1066 * cpphash.h: Prototype _cpp_get_token.
1067 * cppexp.c (lex): Use it.
1068 * cpphash.c (parse_define): Use it.
1069 * cpplib.c (get_define_node, do_undef, parse_include,
1070 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
1071 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
1072 parse_ifdef, validate_else): Use it.
1073 (cpp_push_buffer): Tweak error message; abort if anyone tries
1074 to push a buffer while macro expansions are stacked.
1076 2000-07-11 Donn Terry <donnte@microsoft.com>
1078 * cpplex.c (free_macro_args, save_token): Cast arg of free
1079 and/or xrealloc to PTR.
1080 (_cpp_init_input_buffer): Clear all fields of the base context.
1082 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
1084 * gensupport.c (process_rtx): Make rtl checking stop
1085 complaining about the define_insn while it is being
1086 converted from a define_insn_and_split.
1088 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
1090 * config/mips/mips.c (simple_memory_operand): Access the
1091 INTVAL of the address, not it's containing MEM.
1093 2000-07-11 Bruce Korb <bkorb@gnu.org>
1095 * fixinc/fixtests.c(double_slash): obsolete
1096 (else_endif_label): likewise
1097 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
1098 (libc1_ifdefd_memx): correct initial comment
1099 and omit the #if/#endif pair from the memxxx declarations
1100 * fixinc/fixincl.x: regen
1102 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1104 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
1106 2000-07-11 Neil Booth <NeilB@earthling.net>
1110 2000-07-11 Neil Booth <NeilB@earthling.net>
1112 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
1113 (handle_option): Set digraphs according to standard.
1114 Merge OPT_lang_c89 handler with OPT_std_c89.
1116 * cpplex.c: (lex_line, can_paste): Honour digraphs in
1117 accordance with the digraphs flag.
1119 * cpplib.h: (struct cpp_options): New option digraphs.
1121 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
1122 Bruce Korb <bkorb@gnu.org>
1124 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
1125 * fixinc/fixincl.x: Regenerate.
1126 * fixinc/tests/base/testing.h: Add testcase.
1128 2000-07-10 Richard Henderson <rth@cygnus.com>
1130 * config/ia64/ia64.c (got_symbolic_operand): New.
1131 (symbolic_operand, move_operand): Revert 0701 change.
1132 * config/ia64/ia64.h (PREDICATE_CODES): Update.
1133 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
1134 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
1135 split the offset into a 14-bit low part instead of a 13-bit low part.
1136 (load_fptr): Mark the mem as unchanging.
1137 (load_symptr): Use got_symbolic_operand.
1139 2000-07-10 Nick Clifton <nickc@cygnus.com>
1141 * libgcc2.c (next_stack_level): Cast result of computation to
1142 (void **) so that the assignment does not generate a warning.
1144 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
1146 * flags.h : Add new variable flag_single_precision_constant.
1147 * toplev.c (display_help) : Add -fsingle-precision-constant option.
1148 (flag_single_precision_constant): New.
1149 * c-lex.c (yylex): Convert floating point constant to single
1151 * invoke.texi : Add documentation for this new option.
1153 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
1155 * diagnostic.c (output_octal): Second parameter is unsigned.
1156 (output_long_octal): Likewise.
1157 (output_hexadecimal): Likewise.
1158 (output_long_hexadecimal): Likewise.
1159 (output_format): Adjust arguments extraction. Tweak.
1160 (output_verbatim, verbatim): End variable argument list.
1161 (report_diagnostic): Improve documentation.
1163 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
1165 * c-common.h (build_stmt): Declare.
1166 (build_continue_stmt): Likewise.
1167 (build_break_stmt): Likewise.
1168 (build_return_stmt): Likewise.
1170 * c-decl.c (do_case): Rewrite to do what previously done in
1173 * c-semantics.c (build_stmt): Define.
1174 (build_return_stmt): Likewise.
1175 (build_break_stmt): Likewise.
1176 (build_continue_stmt): Likewise.
1177 (build_case_label): Likewise.
1179 * c-parse.in (BREAK): Change to build tree, then generate RTL.
1180 (CONTINUE): Likewise.
1183 (DEFAULT): Likewise.
1185 * c-parse.y: Regenerate.
1186 * c-pasre.c: Likewise.
1188 2000-07-09 Jason Merrill <jason@redhat.com>
1190 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
1192 * tree.h (STRIP_NOPS): Check for error_mark_node.
1193 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
1194 (dwarf2out_*): Remove duplicate declarations.
1196 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
1197 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
1199 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
1201 * diagnostic.c (wrap_text): New function.
1202 (maybe_wrap_text): Likewise.
1203 (output_add_string): Use it.
1204 (output_format): Likewise.
1205 (count_error): Use verbatim instead of notice.
1206 (report_error_function): Likewise. Don't use plain fprintf.
1207 (finish_diagnostic): New function.
1208 (output_do_verbatim): Tweak. Commonalize functionalities in
1209 output_verbatim and verbatim.
1210 (output_verbatim): Adjust.
1211 (verbatim): Likewise.
1212 (report_diagnostic): Define.
1214 * diagnostic.h (report_diagnostic): Prototype.
1216 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
1218 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
1220 2000-07-09 Neil Booth <NeilB@earthling.net>
1222 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
1223 IShspace, ISspace: Update.
1225 * cppinit.c: ISTABLE: Update.
1228 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
1229 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
1230 (skip_block_comment, skip_line_comment, parse_string,
1231 lex_line): Use is_vspace rather than IS_NEWLINE.
1232 (skip_whitespace, lex_line): Clean up to use is_nvspace.
1233 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
1235 (lex_next): Unconditionally stop if within a directive.
1236 Treat directives within macro invocations as directives
1237 (after parse_args emits error), not as the argument.
1239 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
1241 * diagnostic.c (diagnostic_args): New macro.
1242 (diagnostic_msg): Likewise.
1243 (output_formatted_integer): Likewise.
1244 (output_state): New data type.
1245 (digit_buffer): Make global.
1246 (output_add_integer): Rename to output_decimal. Squeeze
1248 (output_long_decimal, output_unsigned_decimal,
1249 output_long_unsigned_decimal, output_octal, output_long_octal,
1250 output_hexadecimal, output_long_hexadecimal): New functions.
1251 (output_append_r): New function.
1252 (output_append): Tweak.
1253 (output_flush_on): Rename to output_to_stream.
1254 (output_format): Change prototype. Improve documentation. Handle
1255 more format specifiers.
1256 (build_location_prefix): Rename to context_as_prefix.
1257 (output_notice): Rename to output_do_printf.
1258 (output_printf): Tweak.
1259 (line_wrapper_printf): Likewise.
1260 (vline_wrapper_message_with_location): Adjust call to renamed
1262 (v_message_with_decl): Likewise.
1263 (default_print_error_function): Likewise.
1264 (save_output_state): New function.
1265 (restore_output_state): Likewise.
1266 (output_do_verbatim): Likewise.
1267 (output_verbatim): Define.
1268 (verbatim): Likewise.
1270 * diagnostic.h (printer_fn): Change return type from void to int.
1271 Improve documentation.
1272 (output_add_integer): Rename to output_decimal.
1273 (output_flush_on, output_format): Don't export.
1274 (output_verbatim, verbatim): Declare.
1276 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
1278 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
1279 Check whether c divides op1 exactly if operation is not
1282 2000-07-08 Richard Henderson <rth@cygnus.com>
1284 * final.c (final): Do not abort when reg-stack introduces
1287 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
1289 * cpplib.h (struct cpp_name): Now struct cpp_string.
1290 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
1291 CPP_HEADER_NAME): Change to type S.
1292 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
1293 field, a cpp_hashnode *. All references to val.name updated
1294 to use val.str or val.node as appropriate.
1295 (struct cpp_reader): Add spec_nodes field.
1296 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
1298 * cpphash.h (struct spec_nodes): New.
1299 (enum spell_type): Reorder. Only SPELL_STRING tokens use
1300 val.str. All references to 'spelling > SPELL_NONE' updated to
1303 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
1304 pfile->buffer->inc are not NULL before dereferencing them.
1306 * cpplex.c (parse_name): Take a pointer to the current token,
1307 plus current position and limit as args; return the new
1308 position; don't copy the text of a name into the string
1309 buffer, instead call cpp_lookup and store the node pointer.
1310 If extending a token, copy out the text of the old into a
1311 scratch buffer, append the new, look that up and store the new
1312 node pointer. Inline.
1313 (maybe_paste_with_next): If the result of paste is a NAME,
1314 then look up the pasted text and store its node pointer.
1315 (lex_line): Adjust for new parse_name interface.
1316 Check for L"str", L'str' using spec_nodes->n_L.
1317 (spell_token): SPELL_IDENT tokens have their spelling in
1318 val.node->name. Handle SPELL_STRING tokens that don't have
1320 (_cpp_expand_name_space,
1321 (can_paste): Check for L ## "str" using spec_nodes->n_L.
1322 (cpp_get_token, special_symbol): No need to call cpp_lookup.
1323 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
1324 return 1=equal 0=not, not a tristate.
1326 * cpphash.c (var_args_str): Delete.
1327 (find_param): Compare node fields directly.
1328 (is__va_args__): Use CPP_PEDANTIC. Just compare
1329 token->val.node with spec_nodes->n__VA_ARGS__.
1330 (dump_funlike_macro): Don't use var_args_str.
1332 * cpplib.c (_cpp_check_directive): Just walk through
1333 spec_nodes->dirs comparing pointers.
1334 (get_define_node, do_pragma_poison, detect_if_not_defined,
1335 parse_ifdef): The identifier has already been looked up.
1336 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
1338 (do_if): Only call detect_if_not_defined at beginning of file.
1339 (_cpp_parse_assertion): Only copy string pointers for
1340 SPELL_STRING tokens.
1341 (pragma_dispatch): Take a node pointer and examine its name
1343 (_cpp_init_stacks): Also initialize the spec_nodes structure.
1345 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
1347 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
1348 reverse order from the corresponding _cpp_init_* routines.
1350 * cppexp.c (parse_number, parse_charconst, parse_defined,
1351 lex): Check val.node->type instead of calling cpp_defined.
1352 Use spec_nodes entries where appropriate.
1354 * fix-header.c, scan-decls.c: Update for interface changes.
1356 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
1358 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
1359 emitting aux_truncdfsf2.
1361 2000-07-03 Donn Terry (donnte@microsoft.com)
1363 * cppinit.c (print_help): split overlong line into ISO C89
1366 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1368 * cppexp.c: Update all code for new lexer interface.
1369 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
1370 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
1371 * cpplex.c (token_names): Trim leading CPP_ from names; make
1372 the strings unsigned.
1373 (_cpp_spell_operator): New.
1374 (is_macro_disabled): Disable all macros if rescanning
1376 (_cpp_get_directive_token): Remove.
1378 * cppinit.c: Don't set no_macro_expand.
1379 * cpplib.c (read_line_number, do_line): Check only for EOF,
1381 * cpphash.h: Update prototypes.
1382 * cpplib.h (CPP_VSPACE): Remove.
1383 (struct cpp_reader): Remove no_macro_expand.
1385 2000-07-08 Neil Booth <NeilB@earthling.net>
1387 * cpphash.c (is__va_args__): New function.
1388 (count_params): Fix line reported in error messages. Use
1389 is__va_args__. Don't return ')' on error. Flag GNU style
1390 rest args macro definitions.
1391 (parse_define): Check macro name is not __VA_ARGS__.
1392 (save_expansion): Check identifier in non-varargs-macro is
1393 not __VA_ARGS__. Don't flag GNU_VARARGS.
1394 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
1395 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
1396 than per-token GNU_VARARGS.
1397 * cpplib.h (GNU_VARARGS): Remove.
1398 (GNU_REST_ARGS): New.
1400 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1402 * i386.md (call_pop, call, call_value_pop): Do not set
1403 current_function_uses_pic_offset_table for calls to static
1404 functions or indirect calls.
1406 2000-07-07 Jim Wilson <wilson@cygnus.com>
1408 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
1409 is_predicate_reg, then take max write_count of register pair.
1411 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1413 * tradcpp.c (main): Rename label `include' to `add_include' to
1414 avoid conflicts with variable `include' in traditional C.
1416 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1418 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
1420 2000-07-07 Jakub Jelinek <jakub@redhat.com>
1422 * sibcall.c (uses_addressof): Add INMEM argument, check for
1423 current_function_internal_arg_pointer outside of MEM rtxs in addition
1425 (sequence_uses_addressof): Update caller.
1427 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
1429 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
1432 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1434 * system.h (UNION_INIT_ZERO): New macro for initializing union
1437 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
1439 2000-07-07 Neil Booth <NeilB@earthling.net>
1443 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
1445 * final.c (final): Detect out of bounds array access to
1446 the insn_lengths array.
1448 2000-07-07 Kazu Hirata <kazu@hxi.com>
1450 * fold-const.c (fold): Fix a comment typo.
1452 2000-07-07 Neil Booth <NeilB@earthling.net>
1454 * cpp.texi: Update to new lexer.
1456 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1458 * tradcpp.c: New file.
1459 * tradcif.y: New file.
1460 * tradcif.c: New generated file.
1462 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
1463 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
1464 dependencies of C. Install tradcpp from install-common, in
1467 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
1469 * cppinit.c: Include cppdefault.h. Refer to
1470 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
1471 to GCC_INCLUDE_DIR and its length.
1472 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
1473 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
1474 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
1476 (include_defaults_array): Move to cppdefault.c.
1478 * cppdefault.h: New file.
1479 * cppdefault.c: New file.
1481 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
1482 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
1483 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
1486 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1488 * reload.c (push_reload): When seeing if can reuse a register,
1489 check extra registers against widest of INMODE and OUTMODE.
1491 2000-07-06 Neil Booth <NeilB@earthling.net>
1493 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
1494 based on full length of predicate.
1496 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
1498 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
1499 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
1501 2000-07-05 Kazu Hirata <kazu@hxi.com>
1503 * h8300-proto.h: Fix formatting.
1504 * h8300.c: Likewise.
1505 * h8300.h: Likewise.
1507 2000-07-05 Jim Wilson <wilson@cygnus.com>
1509 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
1512 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
1514 * invoke.texi: Fix minor typos
1515 * md.texi: Fix minor typos
1517 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
1519 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
1521 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1523 * cpplex.c: Don't include sys/mman.h.
1524 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
1526 * cpplib.c: Include sys/mman.h and obstack.h.
1527 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
1529 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
1530 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
1531 bother freeing if stack entries (they will be freed with their buffer).
1532 (do_endif): Free if stack entries from the buffer obstack.
1533 (push_conditional): Allocate if stack entries from the buffer obstack.
1535 (find_answer): Rename to _cpp_find_answer.
1536 (do_assert, do_unassert): Update.
1538 * cpphash.h: Update prototypes.
1539 (xobnew): New convenience macro.
1540 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
1542 (struct cpp_hashnode): Remove disabled field.
1544 * cppinit.c: Don't include hashtab.h or splay-tree.h.
1545 (report_missing_guard): Moved to cppfiles.c.
1546 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
1548 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
1549 cpp_cleanup_includes. Don't destroy hashtab or
1550 all_include_files here.
1551 (cpp_finish): Use _cpp_report_missing_guards.
1553 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
1554 (_cpp_init_include_table): Rename _cpp_init_includes.
1555 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
1557 * cppexp.c (parse_assertion): Update for new name of
1560 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
1562 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
1564 * cpplib.c (do_ident): s/VSPACE/EOF/
1566 2000-07-05 Neil Booth <NeilB@earthling.net>
1568 * cpplex.c: Fix trigraph replacement within strings.
1570 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1572 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
1574 * xcoffout.c (assign_type_number): Constify.
1575 (xcoffout_source_file): Add static prototype. Don't needlessly
1576 cast away const-ness.
1578 2000-07-04 Jason Merrill <jason@redhat.com>
1580 * frame.h (frame_state): Move base_offset to end.
1582 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1584 * calls.c (emit_library_call_value_1): Revert previous change.
1586 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1588 * fix-header.c (struct partial_proto): Remove unnecessary fields.
1589 (recognized_extern, recognized_function, read_scan_file):
1590 Update for new scheme.
1591 (check_protection): It's still a multiple include guard even
1592 if it doesn't always trigger.
1593 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
1595 * scan.h: Declare struct cpp_token. Update prototypes.
1597 2000-07-03 Neil Booth <neilb@earthling.net>
1598 Zack Weinberg <zack@wolery.cumb.org>
1600 Complete overhaul of the lexer and macro expander.
1602 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
1603 arg, arglist, argdata, reflist, collect_objlike_expansion,
1604 collect_funlike_expansion, collect_params,
1605 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
1606 unsafe_chars, macarg, compare_defs, special_symbol,
1607 scan_arguments, stringify, funlike_macroexpand,
1608 _cpp_quote_string, monthnames): Delete.
1609 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
1610 _cpp_create_definition, _cpp_dump_definition,
1611 dump_hash_helper): Adjust.
1612 (find_param, count_params, parse_define, var_args_str,
1613 check_macro_redefinition, save_expansion): New.
1615 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
1616 parse_string, output_line_command, trigraph_replace,
1617 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
1618 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
1619 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
1620 _cpp_skip_rest_of_line): Modify.
1622 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
1623 find_position, null_warning, bump_column, expand_name_space,
1624 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
1625 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
1626 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
1627 _cpp_prescan): Delete.
1629 (dump_param_spelling, process_directive, lex_next,
1630 is_macro_disabled, stringify_arg, expand_context_stack,
1631 output_token, make_string_token, alloc_number_token,
1632 special_symbol, duplicate_token, maybe_paste_with_next,
1633 can_paste, prevent_macro_expansion, restore_macro_expansion,
1634 get_temp_token, release_temp_tokens, quote_string,
1635 token_names, token_spellings, _cpp_expand_name_space,
1636 _cpp_glue_header_name, _cpp_reserve_name_space,
1637 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
1638 placemarker_token, eof_token, cpp_context, macro_args,
1639 get_raw_token, parse_arg, parse_args, save_token,
1640 push_arg_context, push_macro_context, pop_context,
1641 do_pop_context, free_macro_args, _cpp_get_line,
1642 _cpp_run_directive): New.
1644 * cpplib.c (validate_else, parse_include, push_conditional,
1645 pass_thru_directive, read_line_number, parse_ifdef,
1646 detect_if_not_defined, _cpp_check_directive, do_define,
1647 do_undef, do_include, do_import, do_include_next, do_error,
1648 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
1649 top_pragmas, do_pragma_gcc, do_pragma_implementation,
1650 do_pragma_poison, do_pragma_system_header,
1651 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
1652 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
1653 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
1654 cpp_defined): Update for new scheme.
1655 (strtoul_for_line, get_define_node, dump_macro_name,
1656 _cpp_check_linemarker, _cpp_parse_assertion): New.
1657 (_cpp_handle_directive, do_pragma_default): Delete.
1659 * cpphash.h (struct predicate): Now struct answer.
1660 (enum spell_type, struct token_spelling, struct directive,
1661 directive_handler): New.
1662 Update prototypes. Remove unused macros.
1663 * cpplib.h: Update prototypes. Remove unused macros,
1664 structure definitions, and fields.
1666 * cpperror.c (print_containing_files, v_message): Adjust.
1667 * cppexp.c (parse_assertion, lex, parse_escape,
1668 _cpp_parse_expr): Adjust.
1669 * cppfiles.c (open_include_file, _cpp_execute_include,
1670 _cpp_compare_file_date, cpp_read_file, read_include_file):
1672 * cppinit.c (dump_special_to_buffer): Delete.
1673 (append_include_chain, merge_include_chains, cpp_reader_init,
1674 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
1675 cpp_finish, handle_option, print_help): Adjust.
1676 * cppmain.c (main): Adjust.
1678 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
1680 * cppspec.c (lang_specific_driver): Use double quotes in error
1683 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
1685 * calls.c (emit_library_call_value_1): Use valreg instead
1686 of hard_libcall_value.
1688 2000-07-03 Geoff Keating <geoffk@cygnus.com>
1690 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
1691 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
1692 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
1700 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
1701 mode instead of wider_mode is being used.
1703 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1705 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
1706 of 'r'. Use q_regs_operand.
1707 (andsi_1+2): Use q_regs_operand.
1709 2000-07-03 Jakub Jelinek <jakub@redhat.com>
1711 * builtins.c (get_memory_rtx): Always put into alias set 0.
1713 2000-07-03 Nick Clifton <nickc@cygnus.com>
1715 * config/arm/arm.md: Fix post increment and pre increment
1716 peepholes so that they do not generate UNPREDICATBLE opcodes.
1717 (ie ones where the increment clobbers the source/destination).
1719 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
1721 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
1722 change too big for -mtiny-stack" a warning, if larger than 63.
1723 (out_set_stack_ptr): Change the logic so -mno-interrupts is
1724 always safe to use on possible future devices.
1725 (function_prologue): Write SPH before SPL, for consistency.
1726 If interrupt_func_p true, we know we have enabled interrupts.
1727 (avr_num_arg_regs): New function. Round up to even number of
1728 bytes if no -mpack-args or if calling a libgcc function.
1729 (function_arg, function_arg_advance): Use it.
1730 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
1731 Output "movw" if available.
1732 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
1733 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
1734 (asm_output_section_name): Add blanks for consistent output.
1735 (encode_section_info): Set TREE_READONLY for progmem data to
1736 avoid gas warnings about changed section attributes.
1737 (avr_hard_regno_mode_ok): Force non-QImode data to start in
1738 even numbered registers on devices with "movw".
1739 * config/avr/avr.h (MASK_*): Define bits for target_flags.
1740 (TARGET_SWITCHES): Mark help strings for translation.
1741 Add new -mpack-args and -menhanced switches.
1742 (TARGET_OPTIONS): Mark help strings for translation.
1743 (progmem_section): Add section attributes.
1744 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
1745 Output "movw" if available.
1746 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
1748 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
1749 call convention (arguments aligned on even registers).
1750 (_cleanup, _exit): Make weak symbols libc can override.
1752 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1754 * fp-bit.h: New file.
1756 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
1757 Comment #endif statements.
1758 (__thenan_sf, __thenan_df): Add missing braces around initializer.
1760 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
1762 * gcse.c (compute_pre_data): Compute ae_kill using other local
1763 properties instead of calling compute_ae_kill.
1765 * alias.c (init_alias_analysis): Do not call
1766 prologue_epilogue_contains until after reload has completed.
1768 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
1770 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
1771 (genrtl_finish_compound_stmt): Likewise.
1772 (genrtl_compound_stmt): Change to return void.
1774 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
1775 move code from here to ...
1776 (genrtl_compound_stmt): ... here.
1777 (genrtl_finish_compound_stmt): Remove.
1778 (expand_stmt): Add comment.
1780 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
1782 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
1785 2000-07-02 Jakub Jelinek <jakub@redhat.com>
1787 * cpplib.h (struct cpp_reader): New field include_depth.
1788 (struct cpp_printer): Rename last_bsd to last_id.
1789 * cppfiles.c (read_include_file): Bump include_depth.
1790 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
1791 (output_line_command): Output correct #line if a header
1792 is including itself and is not protected against multiple inclusion.
1793 Use include_depth instead of buffer_stack_depth, last_id instead of
1795 * cppinit.c (cpp_start_read): Initialize last_id instead of
1798 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
1800 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
1801 (c-semantics.o): New target.
1803 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
1804 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
1805 (genrtl_clear_out_block): Likewise.
1806 (genrtl_goto_stmt): Likewise.
1807 (genrtl_expr_stmt): Likewise.
1808 (genrtl_decl_stmt): Likewise.
1809 (genrtl_if_stmt): Likewise.
1810 (genrtl_while_stmt): Likewise.
1811 (genrtl_do_stmt): Likewise.
1812 (genrtl_return_stmt): Likewise.
1813 (genrtl_for_stmt): Likewise.
1814 (genrtl_break_stmt): Likewise.
1815 (genrtl_continue_stmt): Likewise.
1816 (genrtl_scope_stmt): Likewise.
1817 (genrtl_switch_stmt): Likewise.
1818 (genrtl_case_label): Likewise.
1819 (genrtl_begin_compound_stmt): Likewise.
1820 (gerntl_finish_compound_stmt): Likewise.
1821 (genrtl_compound_stmt): Likewise.
1822 (genrtl_asm_stmt): Likewise.
1823 (genrtl_decl_cleanup): Likewise.
1824 (DECL_ANON_UNION_ELEMS): Likewise.
1825 (emit_local_var): Likewise.
1826 (make_rtl_for_local_static): Likewise.
1827 (expand_cond): Likewise.
1828 (expand_stmt): Likewise.
1829 (c_expand_return): Likewise.
1830 (c_expand_start_case): Likewise.
1831 (do_case): Likewise.
1832 (COMPOUND_STMT_NO_SCOPE): Likewise.
1833 (c_expand_asm_operands): Likewise.
1834 (NEW_FOR_SCOPE_P): New macro.
1835 (expand_expr_stmt_fn): New type.
1837 (set_current_function_name_declared): Likewise.
1838 (current_function_name_declared): Likewise.
1839 (lang_expand_stmt): Likewise.
1840 (stmts_are_full_exprs_p): Likewise.
1841 (anon_aggr_type_p): Likewise.
1842 (lang_expand_expr_stmt): Likewise.
1843 (build_case_label): Likewise.
1845 * c-decl.c (lang_expand_expr_stmt): Initialize.
1846 (stmts_are_full_exprs_p): Define.
1847 (current_function_name_declared): Likewise.
1848 (do_case): Likewise.
1849 (lang_expand_stmt): Likewise.
1850 (set_current_function_name_declared): Likewise.
1851 (anon_aggr_type_p): Likewise.
1853 * c-semantics.c: New file.
1854 (expand_cond): Moved from cp/semantics.c.
1855 (genrtl_do_pushlevel): Likewise.
1856 (genrtl_clear_out_block): Likewise.
1857 (genrtl_goto_stmt): Likewise.
1858 (genrtl_expr_stmt): Likewise.
1859 (genrtl_decl_stmt): Likewise.
1860 (genrtl_if_stmt): Likewise.
1861 (genrtl_while_stmt): Likewise.
1862 (genrtl_do_stmt): Likewise.
1863 (genrtl_return_stmt): Likewise.
1864 (genrtl_for_stmt): Likewise.
1865 (genrtl_break_stmt): Likewise.
1866 (genrtl_continue_stmt): Likewise.
1867 (genrtl_scope_stmt): Likewise.
1868 (genrtl_switch_stmt): Likewise.
1869 (genrtl_case_label): Likewise.
1870 (genrtl_begin_compound_stmt): Likewise.
1871 (genrtl_finish_compound_stmt): Likewise.
1872 (genrtl_compound_stmt): Likewise.
1873 (genrtl_asm_stmt): Likewise.
1874 (genrtl_decl_cleanup): Likewise.
1875 (make_rtl_for_local_static): Moved from cp/decl.c.
1876 (emit_local_var): Likewise.
1877 (expand_stmt): Define.
1879 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
1880 (c_expand_return): Likewise.
1881 (c_expand_start_case): Likewise.
1883 2000-07-01 Richard Henderson <rth@cygnus.com>
1885 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
1886 with the low 13 bits set.
1887 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
1888 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
1889 of the low 13 bits into a CONST plus an adddi3.
1890 (load_symptr): Set RTX_UNCHANGING_P.
1892 2000-06-30 Mark Mitchell <mark@codesourcery.com>
1894 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
1895 * c-common.c (ridpointers): Declare.
1896 * c-common.h (enum rid): Declare.
1898 (ridpointers): Likewise.
1899 * c-lex.c (ridpointers): Don't declare.
1900 (init_lex): Initialize ridpointers.
1901 * c-lex.h (enum rid): Don't declare.
1903 (RID_FIRST_MODIFIER): Likewise.
1904 (ridpointers): Likewise.
1906 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1908 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
1911 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
1913 * invoke.texi (-Wreturn-type): In C++, a missing return type is
1916 2000-06-30 Catherine Moore <clm@cygnus.com>
1918 * c-common.c (decl_attributes): Differentiate between
1919 types and type decls for alignment.
1921 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
1923 * cpp.texi: Document #pragma GCC dependency
1924 * cppfiles.c (open_include_file): Set date to unknown.
1925 (_cpp_compare_file_date): New function.
1926 (read_include_file): Set file date.
1927 * cpphash.h (struct include_file): Add date member.
1928 (_cpp_compare_file_date): Prototype.
1929 * cpplib.c (parse_include): Add trail parameter. Adjust.
1930 (do_include): Adjust parse_include call.
1931 (do_import): Likewise.
1932 (do_include_next): Likewise.
1933 (gcc_pragmas): Add dependency pragma.
1934 (do_pragma_dependancy): New pragma.
1936 2000-06-29 Jason Merrill <jason@redhat.com>
1938 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
1941 2000-06-29 Jim Wilson <wilson@cygnus.com>
1943 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
1944 a volatile mem and FR_REGS.
1946 2000-06-29 Mark Mitchell <mark@codesourcery.com>
1948 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
1949 * c-common.h (flag_const_strings): Declare.
1950 (warn_format): Likewise.
1951 (flag_traditional): Likewise.
1952 (flag_isoc99): Likewise.
1953 (warn_parentheses): Likewise.
1954 (warn_conversion): Likewise.
1955 (C_TYPE_OBJECT_P): Likewise.
1956 (C_TYPE_INCOMPLETE_P): Likewise.
1957 (C_TYPE_FUNCTION_P): Likewise.
1958 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1959 (C_EXP_ORIGINAL_CODE): Likewise.
1960 (build_unary_op): Likewise.
1961 (build_binary_op): Likewise.
1962 (lvalue_p): Likewise.
1963 (default_conversion): Likewise.
1964 (common_type): Likewise.
1965 * c-tree.h (C_TYPE_OBJECT_P): Remove.
1966 (C_TYPE_INCOMPLETE_P): Likewise.
1967 (C_TYPE_FUNCTION_P): Likewise.
1968 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
1969 (C_EXP_ORIGINAL_CODE): Likewise.
1970 (common_type): Likewise.
1971 (default_conversion): Likewise.
1972 (build_binary_op): Likewise.
1973 (build_unary_op): Likewise.
1974 (lvalue_p): Likewise.
1975 (flag_const_strings): Likewise.
1976 (warn_format): Likewise.
1977 (warn_conversion): Likewise.
1978 (flag_traditional): Likewise.
1979 (flag_isoc99): Likewise.
1980 (warn_parentheses): Likewise.
1982 2000-06-29 James E. Wilson <wilson@cygnus.com>
1984 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
1986 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
1987 same. Only tie XFmode with XFmode.
1989 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
1991 * c-decl.c, timevar.c, tlink.c: Include intl.h.
1992 * Makefile.in: Update deps.
1994 2000-06-29 Andrew Haley <aph@cygnus.com>
1996 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
1999 2000-06-29 Andrew Haley <aph@cygnus.com>
2001 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
2002 bytes: remove the multiply by 8.
2004 2000-06-29 Philipp Thomas <pthomas@suse.de>
2006 * rtl.c : Revert NLS changes.
2007 * gcc.c : Fix bug in display_help introced by my last changes.
2009 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
2011 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
2012 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
2014 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2016 * flow.c (flow_depth_first_order_compute): Fix algorithm.
2018 2000-06-28 Philipp Thomas <pthomas@suse.de>
2020 * c-decl.c : Mark strings for translation.
2021 (parmlist_tags_warning): Use distinct messages instead
2022 of conditional expressions.
2023 * diagnostic.c (v_message_with_decl): Mark string for translation.
2024 * gcc.c: Mark messages for translation.
2025 (display_help): Combine messages into one string where necessary.
2026 * mips-tfile: Add intl.h. Mark messages for translation.
2027 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
2028 messages for translation.
2029 * timevar.c: Mark messages for translation.
2030 * tlink.c: Likewise.
2031 * toplev.c: Likewise.
2033 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
2035 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
2037 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
2038 use -isystem instead of -idirafter.
2039 * i386/i386-interix.h: Likewise.
2041 2000-06-28 Jason Merrill <jason@redhat.com>
2043 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
2044 unless DWARF2_DEBUGGING_INFO is defined.
2045 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
2047 2000-06-28 Richard Henderson <rth@cygnus.com>
2049 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
2051 2000-06-28 Jakub Jelinek <jakub@redhat.com>
2053 * cpplex.c (output_line_command): Output correct #line if a header
2054 is including itself and is not protected against multiple inclusion.
2056 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
2058 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
2059 ENFILE, close all cached file descriptors and try again.
2060 (_cpp_execute_include): Keep a count of the number of times
2061 each header is included.
2062 (close_cached_fd): New function.
2063 * cpphash.h (struct include_file): Rename before to
2064 include_count; all users updated. Make include_count and sysp
2066 * cppinit.c (cpp_finish): If -H, report headers that could use
2068 (report_missing_guard): New function.
2070 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
2072 * i386.md (prologue_set_got): Set length_immediate field.
2073 (testqi_ccno_1): Add missing '@' character.
2075 2000-06-27 Jason Merrill <jason@redhat.com>
2077 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
2080 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
2082 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
2083 unsigned macros available.
2085 2000-06-27 Richard Henderson <rth@cygnus.com>
2087 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
2088 epilogue_deallocate_stack.
2090 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
2091 completers for UNORDERED and ORDERED as well.
2092 * config/ia64/ia64.md (bunordered, bordered): New.
2093 (sunordered, sordered): New.
2095 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
2097 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
2098 * i386.c (ix86_attr_length_default): Kill.
2099 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
2101 * i386-protos.h (ix86_attr_length_default): Kill
2102 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
2104 * i386.md (attribute type): Add "test".
2105 (attribute length_prefix): Kill.
2106 (attribute length_opcode): Kill.
2107 (attribute i387, mode, length_immediate, length_address, prefix_data16,
2108 prefix_rep, prefix_0f, modrm): New.
2109 (attribute length): Compute using the new attributes.
2110 (attribute pent_prefix): New.
2111 (attribute pent_pair): Compute using pent_prefix.
2112 (all insn patterns): Set mode,modrm and immediate_length attributes where
2114 (cmpsi patterns): Compute sizes propertly for test instruction.
2115 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
2116 (movstricthi_xor, movstrictqi_xor): New patterns.
2117 (andsi/andhi): Use splitters to generate xor instructions.
2118 (xorqi_ext_1): New pattern.
2119 (movstricthi->movstricthi_xor peep2): New.
2121 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
2123 * i386.md (addqi_low_1): Remove.
2125 2000-06-27 Philipp Thomas <pthomas@suse.de>
2127 * 1750a.h: Mark help strings for options/switches for translation.
2129 * alpha.h: Likewise.
2132 * riscix.h: Likewise.
2134 * clipper.h: Likewise.
2135 * convex.h: Likewise.
2136 * elxsi.h: Likewise.
2139 * h8300.h: Likewise.
2141 * cygwin.h: Likewise.
2143 * djgpp.h: Likewise.
2145 * osf1elf.h: Likewise.
2146 * osfrose.h: Likewise.
2148 * win32.h: Likewise.
2150 * paragon.h: Likewise.
2154 * mcore.h: Likewise.
2156 * mn10300.h: Likewise.
2157 * ns32k.h: Likewise.
2158 * pdp11.h: Likewise.
2161 * aix41.h: Likewise.
2162 * aix43.h: Likewise.
2164 * rs6000.h: Likewise.
2165 * sysv4.h: Likewise.
2166 * linux.h: Likewise.
2167 * linux64.h: Likewise.
2168 * sp64-elf.h: Likewise.
2169 * sparc.h: Likewise.
2170 * splet.h: Likewise.
2172 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
2174 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
2175 Properly document option and mark for translation.
2176 * sp86x-elf.h: Likewise.
2178 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
2180 Add MMX and SSE registers to i386 machine description.
2181 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
2182 ix86_local_alignment): Declare.
2184 * i386.h (TARGET_MMX, TARGET_SSE): New.
2185 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
2186 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
2187 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
2188 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
2189 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
2190 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
2191 (RETURN_IN_MEMORY): Handle MMX/SSE.
2192 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
2193 also get stack space.
2194 (MUST_PASS_IN_STACK): Added TImode to the default definition.
2195 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
2196 (MMX_REGISTER_NAMES): New.
2197 (ALIGN_MODE_128): New macro.
2198 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
2199 (DATA_ALIGNMENT): Likewise.
2200 (LOCAL_ALIGNMENT): Likewise.
2201 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
2202 TARGET_MMX/TARGET_SSE.
2203 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
2204 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
2205 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
2206 SSE/MMX regs and something else.
2207 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
2208 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
2209 3 if moving between MMX regs and something else.
2211 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
2212 (regclass_map): Add MMX/SSE registers.
2213 (print_operand): Add code to print XMMWORD as appropriate.
2214 (ix86_split_movdi): Abort for MMX regs.
2215 (init_cumulative_args): Also allow SSE_REGS
2216 (function_arg_advance, function_arg): Likewise
2217 (print_reg): Support 'm'. Add case for TImode.
2218 (override_options): TARGET_SSE implies TARGET_MMX.
2219 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
2222 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
2224 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
2226 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
2227 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
2229 2000-06-26 Geoff Keating <geoffk@cygnus.com>
2231 * ssa.c (struct rename_set_data): Change the name of field
2232 'set_dest' to 'old_reg'. Add comments.
2233 (struct rename_context): Change the name of 'set_data' to
2234 'new_renames'. Add new field 'done_renames'.
2235 (create_delayed_rename): New function.
2236 (apply_delayed_renames): New function.
2237 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
2238 SUBREGs and similar by emitting a move.
2239 (new_registers_for_updates): Delete, functionality moved to
2240 apply_delayed_renames.
2241 (rename_block): Handle moves emitted by rename_insn_1 by putting
2242 them into a SEQUENCE with the original insn. Add sanity checks
2244 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
2245 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
2247 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
2248 Jason Merrill <jason@redhat.com>
2250 * dwarf2.h (enum dwarf_call_frame_info): Add
2251 DW_CFA_def_cfa_expression.
2252 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
2253 dw_loc_descr_struct entry.
2254 (struct cfa_loc): New structure to track a CFA location.
2255 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
2256 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
2257 offset, plus handle DW_CFA_def_cfa_expression.
2258 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
2260 (dwarf2out_def_cfa): Entry point maintained for compatability.
2261 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
2262 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
2263 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
2264 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
2266 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
2267 sequences for the new DW_CFA_def_cfa_expression record.
2268 (dwarf2out_frame_debug): Use new variables/fields.A
2269 (output_cfi): Handle DW_CFA_def_cfa_expression.
2270 (output_cfa_loc): New function to generate a CFI record for
2271 DW_CFA_def_cfa_expression.
2272 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
2273 a dw_loc_descr sequeunce.
2274 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
2275 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
2276 size_of_locs, output_loc_operands, output_loc_sequence): Move into
2277 unwind info section.
2278 * frame.h (frame_state): Add base_offset and indirect fields.
2279 * frame-dwarf2.c (decode_stack_op): New function to interpret a
2280 dw_loc_descr operation.
2281 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
2282 (struct frame_state): Add base offset and indirect fields.
2283 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
2285 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
2287 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
2288 Make warnings about implicit int be pedwarns in C99. Don't warn
2289 about duplicate type qualifiers in C99.
2290 (start_function): Make warning about implict int return type be a
2292 * c-lex.c (yylex): Don't warn about `long long' in C99.
2293 * c-typeck.c (c_expand_return): In C99, always pedwarn about
2294 `return' with no value in function returning non-void.
2296 2000-06-26 Richard Henderson <rth@cygnus.com>
2298 * c-typeck.c (pedwarn_c99): New.
2299 * diagnostic.c (verror, vwarning, vpedwarn): Export.
2300 * toplev.h: Prototype them.
2302 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2304 * c-typeck.c (digest_init): Return error_mark_node node when
2305 TREE_TYPE (init) == error_mark_node.
2307 2000-06-26 Philipp Thomas <pthomas@suse.de>
2309 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
2310 test for msgfmt without path instead.
2311 * configure: Rebuilt.
2313 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
2315 * gengenrtl.c (special_rtx): Fix typo in comment.
2317 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2319 * mklibgcc.in (LIB2FUNCS): Add missing space.
2321 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2323 * tree.h (enum tree_index): Add vector type nodes.
2324 Add accessor macros for them.
2325 (TYPE_REPRESENATION_TYPE): New macro.
2326 * tree.c (build_common_tree_nodes_2): Build these nodes.
2327 (finish_vector_type): New function.
2328 * c-common.c (type_for_mode): Handle vector modes.
2329 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
2331 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
2332 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
2333 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
2334 (gen_type_die): Likewise.
2335 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
2336 (fundamental_type_code): Likewise.
2337 (type_is_fundamental): VECTOR_TYPEs aren't.
2338 (output_type): Handle VECTOR_TYPEs.
2340 2000-06-25 Kazu Hirata <kazu@hxi.com>
2342 * config/arm.c: Fix a comment typo.
2343 * config/arm.h: Likewise.
2345 2000-06-25 Philipp Thomas <pthomas@suse.de>
2347 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
2349 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
2350 * configure: Rebuilt.
2352 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
2354 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
2356 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2358 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
2361 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
2363 * collect2.c (resolve_lib_name): Move '/' check out of loop.
2365 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
2367 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
2369 2000-06-24 Jakub Jelinek <jakub@redhat.com>
2371 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
2372 last_unconditional_cleanup.
2374 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2376 * tree.def (VECTOR_TYPE): New node type.
2377 * tree.h: Adjust some comments to reflect addition of vector types.
2378 (TYPE_VECTOR_SUBPARTS): New macro.
2379 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
2380 * c-convert.c (convert): Likewise.
2381 * convert.c (convert_to_integer): Handle vector modes.
2382 (convert_to_vector): New function.
2383 * convert.h (convert_to_vector): Declare.
2384 * expr.c (convert_move): Handle vector modes.
2385 * expmed.c (extract_bit_field): Don't abort for vector modes.
2387 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
2389 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
2390 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
2391 New functions, common code moved from function_{prologue,epilogue}
2392 and extended to support the -mtiny-stack option.
2393 (function_prologue, function_epilogue): Use them.
2394 Use lo8/hi8 consistently for asm output readability.
2395 (avr_hard_regno_mode_ok): New function.
2396 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
2397 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
2398 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
2399 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
2400 Write SPH before SPL.
2401 (*movqi): No need to disable interrupts for just one "out"
2402 in alternative 5. Change length attribute from 4 to 1.
2403 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
2404 Write SPH before SPL.
2406 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
2408 * rtl.texi (Vector Operations): New node.
2409 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
2410 (Conversions): Add ss_truncate, us_truncate.
2411 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
2412 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
2413 US_TRUNCATE): New rtx codes.
2414 * machmode.def: Add vector modes.
2415 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
2417 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
2418 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
2419 (VECTOR_MODE_P): New.
2421 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
2423 * cpp.texi: Clarify #pragma GCC namespace.
2425 2000-06-24 Philipp Thomas <pthomas@suse.de>
2427 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
2428 all catalogs specified in ALL_LINGUAS.
2429 * configure: Rebuilt.
2431 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2433 * config/sparc/sparc.md (reload_outdi+1): Handle
2434 HOST_BITS_PER_WIDE_INT == 64 case correctly.
2435 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
2437 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
2439 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
2440 struct vs. scalar-ness when -fno-strict-aliasing.
2442 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
2444 * cpplib.c (struct pragma_entry): New structure.
2445 (pragma_dispatch): Pragma dispatcher.
2446 (top_pragmas, gcc_pragmas): New static variables.
2447 (do_pragma): Use pragma_dispatch.
2448 (do_pragma_gcc): New pragma handler.
2451 2000-06-23 Jakub Jelinek <jakub@redhat.com>
2453 * calls.c (compute_argument_addresses): Force stack slots into
2455 * expr.c (emit_push_insn): Force pushes into alias set 0.
2457 2000-06-23 Richard Henderson <rth@cygnus.com>
2459 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
2460 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
2462 2000-06-22 Jason Merrill <jason@redhat.com>
2464 * toplev.c (compile_file): Always call timevar_print.
2465 * Makefile.in (calls.o): Depend on TIMEVAR_H.
2467 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
2469 * varasm.c (constant_descriptor): Make contents unsigned char.
2470 (mark_const_hash_entry): Adjust.
2471 (const_hash): Just hash the code of unknown nodes.
2472 (compare_constant_1): Adjust for unsigned char.
2473 Use language specific expander on unknown nodes.
2474 (record_constant_1): Likewise.
2476 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2478 * cppfiles.c (cpp_make_system_header): New function.
2479 * cpplib.h: Prototype it.
2480 * cpplib.c (do_line, do_pragma_system_header): Use it.
2481 * fix-header.c (read_scan_file): Use it.
2483 * fix-header.c (check_macro_names): Cast second arg of
2484 cpp_defined to const unsigned char *.
2485 (read_scan_file): Make getchar_call const unsigned char.
2487 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
2489 * cppfiles.c: Include splay-tree.h, not hashtab.h.
2490 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
2491 (destroy_include_file_node): New.
2492 (_cpp_init_include_hash): Rename _cpp_init_include_table.
2493 Create a splay tree, not a hash table.
2494 (open_include_file): Look up the path in the include table,
2495 do the multiple include optimization here, etc.
2496 (cpp_included): Walk the path.
2497 (find_include_file): Just walk the path calling
2498 open_include_file, or call it directly for an absolute path.
2499 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
2501 (read_include_file): Update for new scheme. Don't close the
2502 file unless reading fails.
2503 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
2505 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
2506 (struct include_file): New.
2507 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
2509 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
2512 * cppinit.c: Include splay-tree.h.
2513 (cpp_reader_init, cpp_cleanup): Update.
2515 * cpplib.h (struct cpp_buffer): Change ihash field to
2516 'struct include_file *inc'. Remove system_header_p.
2517 (struct cpp_reader): Change all_include_files to a
2518 struct splay_tree_s *.
2520 * cpplex.c: Update all references to cpp_buffer->ihash and/or
2521 cpp_buffer->system_header_p.
2522 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
2524 * Makefile.in (SPLAY_TREE_H): New macro.
2525 (cppfiles.o, cppinit.o): Update dependencies.
2527 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
2529 * invoke.texi (g++): "g++" is not a script anymore.
2531 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2533 * function.c (round_down): Delete obsolete prototype.
2535 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
2537 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
2539 * configure.in: Use 'test a = b' not 'test a == b'.
2542 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
2544 * Makefile.in: Remove all references to HOST_INTLLIBS.
2546 * cpplex.c (parse_name): Don't warn about $ in identifiers if
2549 2000-06-20 Philipp Thomas <pthomas@suse.de>
2551 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
2554 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2556 * Take REG_INC notes into account.
2558 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
2560 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
2561 (primary: IDENTIFIER): Just call build_external_ref.
2562 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
2564 * c-lex.c (lastiddecl): Remove.
2565 (yylex): Replace all instances of lastiddecl with local
2568 * c-typeck.c (build_external_ref): New function. Treat decls
2569 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
2570 Look up the decl from the id here. Call lookup_objc_ivar.
2571 * c-lang.c (lookup_objc_ivar): Stub.
2572 * objc/objc-act.c (lookup_objc_ivar): New function.
2574 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
2575 * c-lex.h: Don't declare lastiddecl.
2577 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
2579 * c-common.h (IF_COND): Added documentation.
2580 (THEN_CLAUSE): Likewise.
2581 (ELSE_CLAUSE): Likewise.
2582 (WHILE_COND): Likewise.
2583 (WHILE_BODY): Likewise.
2584 (DO_COND): Likewise.
2585 (DO_BODY): Likewise.
2586 (RETURN_EXPR): Likewise.
2587 (EXPR_STMT_EXPR): Likewise.
2588 (FOR_INIT_STMT): Likewise.
2589 (FOR_COND): Likewise.
2590 (FOR_EXPR): Likewise.
2591 (FOR_BODY): Likewise.
2592 (SWITCH_COND): Likewise.
2593 (SWITCH_BODY): Likewise.
2594 (CASE_LOW): Likewise.
2595 (CASE_HIGH): Likewise.
2596 (GOTO_DESTINATION): Likewise.
2597 (COMPOUND_BODY): Likewise.
2598 (ASM_CV_QUAL): Likewise.
2599 (ASM_STRING): Likewise.
2600 (ASM_OUTPUTS): Likewise.
2601 (ASM_INPUTS): Likewise.
2602 (ASM_CLOBBERS): Likewise.
2603 (DECL_STMT_DECL): Likewise.
2604 (STMT_EXPR_STMT): Likewise.
2605 (LABEL_STMT_LABEL): Likewise.
2607 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
2608 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
2609 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
2610 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2612 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2614 * configure.in (--enable-checking): Update --help doc to reflect
2615 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
2617 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2619 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
2621 * function.c (put_var_into_stack): Don't reference DECL_ fields
2622 if input is a SAVE_EXPR.
2623 Use set_mem_attributes in COMPLEX case.
2625 2000-06-18 Richard Henderson <rth@cygnus.com>
2627 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
2628 (ia64_file_start): Declare.
2629 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
2630 (GR_REGNO_P): Likewise.
2631 * config/ia64/ia64.c: Many prototypes.
2632 (ia64_reg_numbers): Constify.
2633 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
2634 (ia64_section_threshold): Make unsigned.
2635 (ia64_print_operand): Constify.
2636 (fix_range): Constify.
2637 (ia64_init_builtins): Don't compare signed vs unsigned.
2638 (ia64_expand_builtin): Likewise.
2640 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
2641 (CONSTRAINT_OK_FOR_Q): New.
2642 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
2643 (movsf_internal, movdf_internal): Likewise.
2644 (cmovdi_internal): Rewrite so that constraints and predicates match;
2646 (cmovsi_internal): Likewise.
2648 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
2649 (ASM_FILE_START): New.
2650 * config/ia64/ia64.c (ia64_file_start): New.
2651 (rtx_needs_barrier): Handle pred.rel.mutex.
2652 (emit_predicate_relation_info): New.
2653 * config/ia64/ia64.md (pred_rel_mutex): New.
2654 * config/ia64/linux.h (ASM_SPEC): Define.
2655 * config/ia64/sysv4.h (ASM_FILE_START): Define.
2657 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
2658 filtering global register variables.
2660 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2662 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
2664 2000-06-17 Michael Meissner <meissner@redhat.com>
2666 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
2667 not present and there is a field after a '-'.
2669 2000-06-17 Bruce Korb <bkorb@gnu.org>
2671 * fixinc/check.tpl: finish the implementation of multiple tests
2673 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
2674 (io_quotes_def): add a second test
2675 (various): reorder `files' so that "limits.h" is never first
2676 * fixinc/tests/base/*: update the testing output
2678 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2680 * gcc.texi: Remove reference to stupid.c.
2682 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
2684 * c-common.c (c_tree_code_type): New array.
2685 (c_tree_code_length): Likewise.
2686 (c_tree_code_name): Likewise.
2687 (add_c_tree_codes): New function.
2689 * c-common.h (add_c_tree_codes): Declare.
2690 (enum c_tree_code): New enum.
2692 * c-lex.c (init_parse): Added call to add_c_tree_codes.
2694 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2696 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
2697 select pattern to also match macro defs with only one argument.
2699 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
2701 * i386.md: Create new [right,left] rotate and right shift
2702 patterns to optimize shift by 1 bit for certain ia32 processors.
2703 Update patterns which perform left shifts to optimize shift by
2704 1 bit for certain ia32 processors.
2705 * i386.c (const_int_1_operand): New predicate.
2706 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
2707 * i386-protos.h (const_int_1_operand): Prototype.
2709 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2711 * mips.c (machine_dependent_reorg): Fix braces for nested if.
2713 2000-06-14 Geoff Keating <geoffk@cygnus.com>
2715 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
2718 2000-06-14 Richard Henderson <rth@cygnus.com>
2720 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
2722 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
2725 * print-rtl.c (print_rtx): Emit space before mem alias set.
2727 2000-06-14 David Edelsohn <edelsohn@gnu.org>
2729 * rs6000.c (expand_block_move): Fix typo in earlier change.
2730 (print_operand): Remove unused variables neg and op.
2731 (toc_hash_mark_entry): Fix prototype.
2733 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
2735 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
2736 (THEN_CLAUSE): Likewise.
2737 (ELSE_CLAUSE): Likewise.
2738 (WHILE_COND): Likewise.
2739 (WHILE_BODY): Likewise.
2740 (DO_COND): Likewise.
2741 (DO_BODY): Likewise.
2742 (RETURN_EXPR): Likewise.
2743 (EXPR_STMT_EXPR): Likewise.
2744 (FOR_INIT_STMT): Likewise.
2745 (FOR_COND): Likewise.
2746 (FOR_EXPR): Likewise.
2747 (FOR_BODY): Likewise.
2748 (SWITCH_COND): Likewise.
2749 (SWITCH_BODY): Likewise.
2750 (CASE_LOW): Likewise.
2751 (CASE_HIGH): Likewise.
2752 (GOTO_DESTINATION): Likewise.
2753 (COMPOUND_BODY): Likewise.
2754 (ASM_CV_QUAL): Likewise.
2755 (ASM_STRING): Likewise.
2756 (ASM_OUTPUTS): Likewise.
2757 (ASM_INPUTS): Likewise.
2758 (ASM_CLOBBERS): Likewise.
2759 (DECL_STMT_DECL): Likewise.
2760 (STMT_EXPR_STMT): Likewise.
2761 (LABEL_STMT_LABEL): Likewise.
2762 (SCOPE_BEGIN_P): Likewise.
2763 (SCOPE_END_P): Likewise.
2764 (SCOPE_STMT_BLOCK): Likewise.
2765 (SCOPE_NULLIFIED_P): Likewise.
2766 (SCOPE_NO_CLEANUPS_P): Likewise.
2767 (SCOPE_PARTIAL_P): Likewise.
2768 (ASM_VOLATILE_P): Likewise.
2769 (STMT_LINENO): Likewise.
2770 (STMT_LINENO_FOR_FN_P): Likewise.
2772 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
2773 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
2774 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
2775 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
2776 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
2778 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
2780 2000-06-14 David O'Brien <obrien@FreeBSD.org>
2782 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
2783 writable in parts of the GCC code.
2785 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
2786 specification match cast.
2788 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
2790 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
2791 * configure, config.in: Rebuilt.
2792 * sys-protos.h: Similarly.
2794 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
2796 * ifcvt.c (EDGE_COMPLEX): Move definition ...
2797 * basic-block.h (EDGE_COMPLEX): ... here.
2799 * loop.c (check_dbra_loop): Specify the register when
2800 generating REG_NONNEG notes and don't generate duplicates.
2802 2000-06-13 Jakub Jelinek <jakub@redhat.com>
2804 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
2805 (struct tree_type, struct tree_decl): Add user_align member.
2806 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
2807 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
2808 and DECL_USER_ALIGN 0, cap alignment to this value.
2809 (place_field): Likewise.
2810 (finalize_type_size): Set TYPE_USER_ALIGN.
2811 (layout_type): Likewise.
2812 (initialize_sizetypes): Likewise.
2813 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
2814 DECL_USER_ALIGN to 1.
2815 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
2816 (xfer_tag): Set TYPE_USER_ALIGN.
2817 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2818 (finish_enum): Likewise.
2819 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
2820 (expand_anon_union_decl): Likewise.
2821 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
2822 (build_index_type): Set TYPE_USER_ALIGN.
2823 (build_range_type): Likewise.
2824 (build_common_tree_nodes_2): Likewise.
2825 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
2827 2000-06-13 Andreas Jaeger <aj@suse.de>
2829 * configure.in: Use --enable-checking=misc,tree,gc by default if
2830 no --enable-checking option is given and for
2831 --enable-checking=yes.
2832 * configure: Rebuilt.
2834 2000-06-13 Richard Henderson <rth@cygnus.com>
2836 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
2837 (__throw): Don't pass the address of a label.
2839 * config/ia64/ia64.c (ia64_compute_frame_size): Use
2840 current_function_is_leaf.
2841 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
2842 instead of reg_names[RETURN_ADDRESS_REGNUM].
2843 (ia64_init_machine_status): Reset return_address_pointer_rtx.
2844 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
2845 from RETURN_ADDRESS_REGNUM. Update all uses.
2846 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
2847 zero instead of null on failure.
2848 (ELIMINABLE_REGS): Add ra->b0 elimination.
2849 (CAN_ELIMINATE): Update accordingly.
2850 (INITIAL_ELIMINATION_OFFSET): Likewise.
2851 (REGISTER_NAMES): Use an illegal assembler name for
2852 RETURN_ADDRESS_POINTER_REGNUM.
2854 2000-06-13 Richard Henderson <rth@cygnus.com>
2856 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
2857 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
2858 (REG_CLASS_NAMES): Likewise.
2859 (REG_CLASS_CONTENTS): Likewise.
2860 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
2861 (HARD_REGNO_MODE_OK): Remove references to them.
2862 (REGNO_REG_CLASS): Likewise.
2863 (REG_CLASS_FROM_LETTER): Likewise.
2864 (CLASS_MAX_NREGS): Likewise.
2865 (REGISTER_MOVE_COST): Likewise.
2866 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
2867 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
2868 (movqi_internal): Special case moves from zero.
2869 (movhi_internal, movsi_internal): Likewise.
2870 (movdi_internal): Likewise. Fill out "f" constraints.
2871 (movsf_internal): Fill out "r" constraints.
2872 (movdf_internal): Likewise.
2874 2000-06-13 Richard Henderson <rth@cygnus.com>
2876 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
2877 alive before reload.
2879 * haifa-sched.c (struct deps): Add in_post_call_group_p.
2880 (add_dependence): Handle notes between SCHED_GROUP_P insns.
2881 (remove_dependence): Always define.
2882 (set_sched_group_p): New.
2883 (sched_analyze_2): Use it.
2884 (sched_analyze_insn): Don't special-case naked uses. Look for
2885 and extend in_post_call_group_p.
2886 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
2887 (init_deps): Clear in_post_call_group_p.
2889 2000-06-13 Richard Henderson <rth@cygnus.com>
2891 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
2892 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
2893 and hard-coded tests.
2894 (simplify_set): Likewise.
2895 (gen_lowpart_for_combine): Likewise.
2896 * emit-rtl.c (gen_lowpart_common): Likewise.
2897 * global.c (find_reg): Likewise.
2898 * local-alloc.c (find_free_reg): Likewise.
2899 * recog.c (register_operand): Likewise.
2900 * regclass.c (init_reg_sets_1): Likewise.
2901 (record_operand_costs, regclass): Likewise.
2902 * reload.c (push_reload): Likewise.
2903 * reload1.c (choose_reload_regs): Likewise.
2904 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
2905 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
2906 Update all references.
2907 * regs.h (struct reg_info_def): Likewise.
2908 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
2909 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
2910 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
2912 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
2913 (CLASS_CANNOT_CHANGE_MODE_P): New.
2914 * config/mips/mips.h: Likewise.
2915 * config/pa/pa32-regs.h: Likewise.
2916 * config/pa/pa64-regs.h: Likewise.
2917 * config/rs6000/rs6000.h: Likewise.
2918 * config/sh/sh.h: Likewise.
2919 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
2920 (CLASS_CANNOT_CHANGE_MODE_P): New.
2921 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
2922 * config/d30v/d30v.h: Likewise.
2924 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2926 * configure.in: Add AC_TYPE_GETGROUPS test.
2927 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
2928 * configure: Rebuilt.
2929 * config.in: Rebuilt.
2931 2000-06-13 Richard Henderson <rth@cygnus.com>
2933 * explow.c (set_mem_attributes): Do nothing for NULL type.
2935 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
2937 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
2940 2000-06-13 James E. Wilson <wilson@cygnus.com>
2942 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
2944 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
2946 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
2948 2000-06-13 Philipp Thomas <pthomas@suse.de>
2950 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
2951 * configure: Rebuilt.
2953 2000-06-07 David O'Brien <obrien@FreeBSD.org>
2955 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
2956 We now default to ELF for the i386, and a.out is the special case.
2957 * configure: Rebuilt.
2959 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
2961 * final.c (final_scan_insn): Delete notes between cc0 setter and
2962 user when restarting from setter.
2964 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2966 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
2967 cast to squelch signed/unsigned warnings.
2969 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
2971 * cpplib.c (handle_directive): Print non-NUL-terminated string
2974 2000-06-12 Michael Meissner <meissner@redhat.com>
2976 * ifcvt.c (dead_or_predicable): Don't do conditional execution
2977 path if the machine needs extra support to do conditional
2980 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
2982 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
2983 to print the alias set.
2984 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
2986 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2988 * config/float-vax.h: Add GFLOAT defines.
2990 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
2992 * configure.in: Update tm dependencies for MPE.
2993 * configure: Rebuilt.
2995 2000-06-12 H.J. Lu <hjl@gnu.org>
2997 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
2999 2000-06-12 David Edelsohn <edelsohn@gnu.org>
3001 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
3002 (CPP_SPEC): Change mthreads to pthread.
3003 (LIB_SPEC): Likewise.
3004 (STARTFILE_SPEC): Likewise.
3005 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
3006 (CPP_SPEC): Change mthreads to pthread.
3007 (LIB_SPEC): Likewise.
3008 (STARTFILE_SPEC): Likewise.
3009 * rs6000-protos.h (reg_or_arith_cint_operand): New.
3010 * rs6000.c (reg_or_arith_cint_operand): New.
3011 (num_insns_constant_wide): Decorate unsigned constant.
3012 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
3013 * rs6000.md (addsi3): Use new predicate.
3014 (subsi3, adddi3, subdi3): Likewise.
3016 2000-06-12 Mark Mitchell <mark@codesourcery.com>
3018 * c-common.c (lang_get_alias_set): Fix typo.
3020 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
3022 * flow.c (mark_used_regs): Revert last change.
3023 (life_analysis): Remove PROP_AUTOINC if running after reload.
3024 (propagate_one_insn): PROP_AUTOINC is always off after reload.
3026 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
3028 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
3031 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3033 * bb-reorder.c (build_scope_forest): Initialize variable
3036 * calls.c (expand_call): Likewise for variables
3037 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
3039 * i386.c (function_arg_advance, function_arg): Cast to avoid
3040 signed/unsigned warnings.
3042 * i386.h (MEMORY_MOVE_COST): Likewise.
3044 * ifcvt.c (cond_exec_process_if_block): Initialize variables
3045 `else_start' and `else_end'.
3047 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
3049 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
3051 2000-06-10 Mark Mitchell <mark@codesourcery.com>
3053 * Makefile.in (libintl.a): Depend on intl.all.
3055 2000-06-09 H.J. Lu (hjl@gnu.org)
3057 * Makefile.in (c-parse.o): Also depend on output.h.
3059 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
3061 * mcore-protos.h: discards const warning removal.
3062 * mcore.c: discards const warning removal.
3064 2000-06-09 Kazu Hirata <kazu@hxi.com>
3066 * config/h8300/lib1funcs.asm: Declare the machine architecture at
3067 the beginning of the file.
3069 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3071 * real.h: Add prototype for ldexp.
3073 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
3075 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
3076 it ggc_alloc, drop second argument, never clear returned memory.
3077 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
3078 (ggc_alloc_cleared): New.
3079 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
3080 ggc_alloc_obj. Remove ggc_alloc macro.
3081 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
3083 * rtl.c (rtvec_alloc): Clear the vector always.
3084 (rtx_alloc): Clear the first word always. Remove dirty
3085 obstack tricks (this routine is no longer a bottleneck).
3086 * tree.c (make_node): Clear the new node always.
3087 (make_tree_vec): Likewise.
3088 (tree_cons): Clear the common structure always.
3089 (build1): Likewise; also, clear TREE_COMPLEXITY.
3090 * gengenrtl.c: Use puts wherever possible. Remove extra
3092 (gendef): Clear the first word of an RTX in the generator
3093 function, irrespective of ggc_p. Initialize '0' slots to
3095 (genlegend): Don't generate obstack_alloc_rtx routine, just a
3096 thin wrapper macro around obstack_alloc.
3098 * stmt.c (expand_fixup): Use ggc_alloc.
3099 * c-typeck.c (add_pending_init): Use ggc_alloc.
3100 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
3101 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
3102 const0_rtx when it is created.
3103 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
3104 we are not in a function.
3106 * tree.c (tree_class_check_failed): Make second arg an int.
3107 * tree.h: Update prototype.
3109 2000-06-09 Geoff Keating <geoffk@cygnus.com>
3111 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
3112 of an error_mark_node.
3114 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
3116 * config/avr/avr.c (asm_output_section_name): bugfix.
3118 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
3120 * timevar.def: Add TV_EXPAND.
3121 * timevar.c (timevar_print): Update timing information.
3122 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
3124 * stmt.c (expand_return): Check for error_mark_node.
3126 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3128 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
3130 * scan-types.sh (VALUE) Wrap use with double quotes to protect
3131 variable against filename expansion when it contains "char *".
3133 * system.h (SSIZE_MAX): Delete backup definition.
3135 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
3136 instead of SSIZE_MAX.
3138 2000-06-09 Jakub Jelinek <jakub@redhat.com>
3140 * configure.in: Check whether gas supports -relax.
3141 * configure, config.in: Rebuilt.
3142 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
3143 (EXTRA_SPECS): Add asm_relax.
3144 (ASM_SPEC): Add %(asm_relax).
3145 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
3146 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
3147 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
3148 (ASM_SPEC): Add %(asm_relax).
3149 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
3150 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
3151 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
3152 instead of mov, so that gas can further optimize it.
3154 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
3156 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
3158 (value_format, case dw_val_class_const): Use sdata format.
3159 (output_die): Call output_sleb128.
3161 2000-06-08 James E. Wilson <wilson@cygnus.com>
3163 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
3164 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
3165 ASM_OUTPUT_DWARF_CONST_DOUBLE.
3166 (output_die, case dw_val_class_unsigned_const): Correct call to
3167 ASM_OUTPUT_DWARF_DATA8.
3168 (output_die, case dw_val_class_long_long): Use
3169 ASM_OUTPUT_DWARF_CONST_DOUBLE.
3170 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
3173 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
3174 (output_function_prologue): Fix mispelling.
3175 (output_function_prologue, output_function_epilogue): Reorder to
3176 match ia64.c definition order.
3177 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
3178 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
3179 Use r3 instead of r2 for large stack restores.
3180 (ia64_output_end_prologue): New function.
3181 (process_set): Emit ".restore sp" for epilogue stack restores.
3182 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
3184 2000-06-08 Jakub Jelinek <jakub@redhat.com>
3186 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
3189 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
3191 * frame.c (end_fde_sort): Remove extraneous erratic array test.
3193 2000-06-08 Denis Perchine <dyp@perchine.com>
3195 * frame.c (start_fde_sort): Don't malloc (0).
3197 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
3199 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
3201 * print-tree.c (print_node): The transparent_union_flag means
3202 different things for unions and arrays. Do not inspect it
3203 with TYPE_TRANSPARENT_UNION.
3205 2000-06-06 Jakub Jelinek <jakub@redhat.com>
3207 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
3210 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
3212 * config/avr/avr.c (asm_output_section_name): output section
3214 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
3216 2000-06-06 James E. Wilson <wilson@cygnus.com>
3218 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
3219 fields into header field.
3220 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
3221 macros to access length, flags, and version info from header field.
3222 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
3223 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
3224 (__do_global_ctors_aux): Fix caller.
3225 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
3226 prologue_flag to header. Pass to read_P_record.
3227 (read_P_record): New argument header. Implement P4 format.
3228 Multiply P7_T_SIZE by 16.
3229 (execute_one_ia64_descriptor): New static local region_header. Pass to
3230 get_unwind_record. Copy r to region_header if r is a header record.
3231 (print_all_records): Likewise.
3232 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
3233 (__get_personality, __get_except_table): Likewise.
3234 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
3236 2000-06-06 Philipp Thomas <pthomas@suse.de>
3238 * configure.in (AC_C_INLINE): Added.
3239 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
3240 * configure: Regenerate.
3242 2000-06-06 Mark Mitchell <mark@codesourcery.com>
3244 * c-common.h (c_language_kind): New type.
3245 (c_language): New variab.e
3246 * c-common.c (lang_get_alias_set): Don't put structures in
3247 non-zero alias sets in C++.
3248 * c-decl.c (c_language): Define it.
3249 * c-lex.c (doing_objc_thang): Remove.
3250 * c-tree.h (doing_objc_thang): Make it a macro.
3251 * objc/objc-act.c (lang_decode_option): Set c_language, not
3254 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3256 * diagnostic.c (output_maximum_width): Remove.
3257 (doing_line_wrapping): Tweak.
3258 (diagnostic_buffer): New object.
3259 (global_output_buffer): New object.
3260 (output_destroy_prefix): New function.
3261 (default_initialize_buffer): Likewise.
3262 (reshape_diagnostic_buffer): Likewise.
3263 (initialize_diagnostics): Likewise.
3264 (output_clear): Tweak.
3265 (line_wrapper_printf): Adjust call to init_output_buffer.
3266 (vline_wrapper_message_with_location): Likewise. Use
3267 output_destroy_prefix.
3268 (v_message_with_decl): Likewise.
3270 * diagnostic.h (struct output_buffer): Constify prefix.
3271 (init_output_buffer, output_get_prefix): Constify.
3272 (diagnostic_message_length_per_line): Likewise.
3273 (reshape_diagnostic_buffer): Declare.
3274 (default_initialize_buffer): Declare.
3275 (initialize_diagnostics): Declare.
3276 (diagnostic_buffer): Declare new obbject.
3278 * toplev.c: #include diagnostic.h
3279 (display_help): Document diagnostic formatting options.
3280 (decode_f_option): Handle diagnostic formatting options.
3281 (main): Setup initialization for diagnostic messages outputter.
3283 * toplev.h (set_message_length): Remove.
3285 * Makefile.in (toplev.o): Depends upon diagnostic.h
3287 * invoke.texi : Document diagnostics formatting options.
3289 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
3291 * configure.in (Make the links): Typo fix : the file that must be
3292 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
3293 * configure: File rebuilt.
3295 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
3297 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
3298 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
3300 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
3301 emergency eh_context buffer, if malloc fails.
3302 (__eh_free): Moved from cp/exception.cc. Release to emergency
3303 eh_context buffer, if appropriate.
3305 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
3307 * expr.c (store_expr): Fix typo.
3309 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3311 * m68k.c (legitimize_pic_address): Move prototype ...
3313 * m68k-protos.h (legitimize_pic_address): ... here.
3315 * m68k.md (legitimize_pic_address): Delete prototypes.
3316 (untyped_call): Invoke GEN_CALL(), not gen_call().
3318 * nextstep.c: Include system.h and toplev.h.
3319 (get_directive_line): Don't prototype.
3320 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
3322 * nextstep.h (handle_pragma): Prototype.
3323 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
3324 objc_section_init ...
3325 (EXTRA_SECTION_FUNCTIONS): ... here.
3327 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3329 * sdbout.c (struct sdb_file): NAME now const.
3330 (sdbout_init): input_file_name now const.
3331 (sdbout_start_new_source_file): FILENAME now const.
3332 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
3334 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
3336 * c-typeck.c (build_conditional_expr): Handle complex data types.
3338 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3340 * explow.c (maybe_set_unchanging): New function, broken out from...
3341 (set_mem_attributes): Here.
3342 * expr.h: Declare it.
3343 * stmt.c (expand_decl): Call it.
3345 2000-06-05 Richard Henderson <rth@cygnus.com>
3347 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
3348 while looking for a register to inherit from.
3350 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3352 * Makefile.in (libgcc.ready): Lose.
3353 (libgcc.mk): Just use mv, not move-if-change.
3354 (LIBGCC_DEPS): New macro.
3356 (stmp-multilib): Likewise.
3357 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
3358 it rather than the directories themselves.
3359 (LIB2ADD): Depend on the list file rather than 'force'.
3361 * fold-const.c (fold, case COND_EXPR): Elide conversion between
3362 cv-qualified versions of types.
3364 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * config/sparc/sparc.c (short_branch): Correct error in range
3369 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3371 * fixinc/inclhack.def: New include hacks for ultrix.
3372 * (nested_ultrix): Replaced by ultrix_nested_svc.
3373 * (ultrix_atof_param): test_text string added.
3374 * (ultrix_ifdef): Modified select string.
3376 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
3378 * objc/objc-act.c (generate_method_descriptors): Register
3379 objc_method_prototype_template as a GC root.
3380 (comp_method_with_proto): Register function_type as a GC root.
3381 (comp_proto_with_proto): Replace function_type1 and
3382 function_type2 with a two-element array; register it as a GC root.
3384 (generate_protocols, build_protocol_initializer,
3385 generate_protocol_list, build_category_initializer,
3386 build_shared_structure_initializer): Do not cache cast_type
3389 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3391 * function.c (assign_parms): Add missing argument to set_mem_attributes
3394 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
3396 * tree.h (VOID_TYPE_P): New macro.
3397 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
3398 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
3399 (get_parm_info): Likewise.
3400 (store_parm_decls): Likewise.
3401 (combine_parm_decls): Likewise.
3402 (finish_function): Likewise.
3403 * c-typeck.c (build_function_call): Likewise.
3404 (build_binary_op): Likewise.
3405 (build_conditional_expr): Likewise.
3406 (internal_build_compound_expr): Likewise.
3407 (convert_for_assignment): Likewise.
3408 * stmt.c (expend_expr_stmt): Likewise.
3409 (warn_if_unused_value): Likewise.
3410 (expand_return): Likewise.
3411 * c-parse.in (primary): Likewise.
3412 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
3413 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
3415 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3417 * alias.c (get_alias_set): If compnent is addressable, use alias
3419 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
3420 (grokdeclarator): Likewise.
3421 * c-typeck.c (common_type): Likewise.
3423 2000-06-04 Alex Samuel <samuel@codesourcery.com>
3425 * Makefile.in (OBJS): Remove dyn_string.o
3426 (dyn-string.o): Delete rule.
3427 * dyn-string.c: Delete file
3428 * dyn-string.h: Likewise.
3430 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3432 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
3435 2000-06-03 Geoff Keating <geoffk@cygnus.com>
3437 * alias.c (record_component_aliases): Don't inspect
3438 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
3440 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
3442 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
3443 it with the pattern to do machine dependent work.
3444 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
3445 use it to modify the true/false tests used in conditional
3446 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
3447 defined, invoke them if the conversion to conditional execution
3448 was successful or not.
3450 * tm.texi (IFCVT_MODIFY_TESTS): Document.
3451 (IFCVT_MODIFY_INSN): Ditto.
3452 (IFCVT_MODIFY_FINAL): Ditto.
3453 (IFCVT_MODIFY_CANCEL): Ditto.
3455 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
3457 * toplev.c (main): Fix misspellings of possibility and language.
3459 2000-06-03 Richard Henderson <rth@cygnus.com>
3461 * alias.c (record_alias_subset): Initialize has_zero_child in the
3464 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
3466 * arm.md (untyped_call): Use GEN_CALL macro.
3468 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
3470 * Makefile.in: Use $(MAKE) not "make"
3472 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3474 * alias.c (struct alias_set_entry): New field has_zero_child.
3475 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
3476 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
3478 Call record_component_aliases for aggregate types.
3479 (record_alias_subset): Set has_zero_child.
3480 (record_component_aliases, case ARRAY_TYPE): Do nothing if
3481 TYPE_NONALIASES_COMPONENT.
3482 (record_component_aliases, case RECORD_TYPE): Test
3483 DECL_NONADDRESSABLE_P.
3484 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
3485 of TREE_ADDRESSABLE.
3486 * calls.c (initialize_argument_information): Only test
3487 TYPE_TRANSPARENT_UNION for UNION_TYPE.
3488 * function.c (assign_parms): Likewise.
3489 * integrate.c (function_cannot_inline_p): Likewise.
3490 * stor-layout.c (finish_record_layout): Don't call
3491 record_component_aliases.
3492 * tree.h (struct tree_int_cst): Use struct tree_common.
3493 (struct tree_real_cst, struct tree_string): Likewise.
3494 (struct tree_complex, struct tree_identifier): Likewise.
3495 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
3496 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
3497 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
3498 (TYPE_NONALIASES_COMPONENT): New macro.
3499 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
3500 (DECL_NONADDRESSABLE_P): New macro.
3501 (struct tree_decl): Reorder bits for clarity of how many left;
3504 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
3506 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
3507 * mklibgcc.in (force): New target.
3508 Make LIB2ADD stuff depend on it.
3510 2000-06-02 Richard Henderson <rth@cygnus.com>
3512 * alias.c (lang_get_alias_set): Remove.
3513 (get_alias_set): Call it directly, not indirectly.
3514 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
3515 * c-common.h (c_get_alias_set): Don't declare.
3516 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
3517 * expr.h (lang_get_alias_set): Declare as function, not pointer.
3519 2000-06-02 Bruce Korb <bkorb@gnu.org>
3521 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
3522 (server_setup): define the server's master pid
3523 (close_server): actually do the deed IFF we are the server's master
3525 2000-06-02 Jakub Jelinek <jakub@redhat.com>
3527 * c-common.c (c_get_alias_set): Check whether signed_type did not
3528 return its argument before calling get_alias_set on the result.
3530 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
3532 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
3534 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3536 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
3537 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
3538 for TARGET_NOMACSAVE.
3539 (NOMACSAVE_BIT): Define.
3540 (TARGET_NOMACSAVE): Define.
3541 (TARGET_SWITCHES): Add "nomacsave".
3543 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
3545 * sh.md (untyped_call): Remove excess parameters
3547 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
3549 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
3550 match that used before the conversion to c_fix style.
3551 * fixinc/fixincl.x: regenerate
3553 2000-06-01 Stan Cox <scox@cygnus.com>
3555 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
3556 macro argument typo.
3558 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
3560 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
3562 * cpplib.c (parse_include): Remove support for VAX-C
3563 "#include starlet" misfeature.
3565 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
3567 * cppfiles.c: conditionally define O_BINARY.
3568 (open_include_file): pass O_BINARY to open().
3570 2000-06-01 Richard Henderson <rth@cygnus.com>
3572 * i960.c (i960_br_predict_opcode): Remove.
3573 (i960_print_operand) [+]: Emit branch prediction hints.
3574 (i960_function_arg): Return early for VOIDmode.
3575 (i960_round_align): Return early for incomplete types.
3576 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3577 * i960.md (all conditional branches): Add "%+".
3579 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3581 * alias.c (get_alias_set): Don't call language-specific routine more
3582 than is needed and clean up code a bit.
3583 * c-common.c (c_get_alias_set): All references whose type
3584 is char get alias set 0, but character types need not.
3585 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
3586 (make_decl_rtl): Don't call it for FUNCTION_DECL.
3588 2000-06-01 Bruce Korb <bkorb@gnu.org>
3590 * fixinc/tests/base/...: new base result files
3592 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3594 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
3595 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
3596 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
3599 2000-06-01 Richard Henderson <rth@cygnus.com>
3601 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
3603 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
3605 2000-05-31 Richard Henderson <rth@cygnus.com>
3607 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
3608 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
3609 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
3611 2000-05-31 Richard Henderson <rth@cygnus.com>
3613 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
3614 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
3615 (ia64_print_operand) [+]: ... here. Use current_output_insn.
3616 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
3617 * config/ia64/ia64.md (all branch/call patterns): Use %+.
3619 2000-05-31 Richard Henderson <rth@cygnus.com>
3621 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
3623 2000-05-31 Richard Henderson <rth@cygnus.com>
3625 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
3627 (find_if_block): Allow THEN with no outgoing edges.
3628 * flow.c (merge_blocks_nomove): Remove a barrier not following
3631 2000-05-31 Richard Henderson <rth@cygnus.com>
3633 * flow.c (propagate_block): Move initialization of mem_set_list ...
3634 (init_propagate_block_info): ... here. Also track blocks with
3635 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
3637 2000-05-31 Richard Henderson <rth@cygnus.com>
3639 * jump.c (jump_optimize_1): Revert 05-18 change.
3641 2000-05-31 Mark Mitchell <mark@codesourcery.com>
3643 * invoke.texi: Remove documentation for -fguiding-decls.
3645 2000-05-31 Richard Henderson <rth@cygnus.com>
3647 * configure.in: Fix typo last change.
3649 2000-05-31 Philipp Thomas <pthomas@suse.de>
3651 * configure.in (enable-nls): Enable if build == host, i.e. when
3652 not building a canadian cross compiler.
3653 (enable-maintainer-mode): Added for use with i18n.
3654 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
3655 cross section of ALL_LINGUAS and LINGUAS.
3656 * configure: Rebuild.
3658 2000-05-31 Bruce Korb <bkorb@gnu.org>
3660 * fixinc/check.tpl: rework to use test result tree
3661 * fixinc/Makefile.in: change invocation of check script
3662 * fixinc/check.diff: No longer needed
3663 * fixinc/fixincl.x: regenerate
3664 * fixinc/inclhack.def: add new tests
3665 * fixinc/tests/base/arch/i960/archI960.h: New test result
3666 * fixinc/tests/base/curses.h: modified test result
3667 * fixinc/tests/base/stdio.h: ditto
3668 * fixinc/tests/base/time.h: ditto
3669 * fixinc/tests/base/sys/asm.h: ditto
3670 * fixinc/tests/base/sys/stat.h: ditto
3671 * fixinc/tests/base/sys/wait.h: ditto
3673 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
3675 * except.c (clear_function_eh_region): Do not free NULL.
3677 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3679 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
3680 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
3681 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
3682 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
3683 (find_base_decl): New function, from c_find_base_decl in c-common.c.
3684 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
3685 (get_alias_set): Likewise.
3686 Major rework to do more things and allow language-specific code
3687 to just handle special-cases.
3688 (record_alias_subset): Args are HOST_WIDE_INT.
3689 (record_component_alias): Local vars are HOST_WIDE_INT.
3690 Don't handle COMPLEX_EXPR.
3691 (get_varargs_alias_set): Moved from builtins.c.
3692 (get_frame_alias_set): New function.
3693 * builtins.c (expand_builtin_return_address): Use frame alias set.
3694 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
3696 (get_memory_rtx): Rework to use set_mem_attributes.
3697 (get_varargs_alias_set): Deleted from here.
3698 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
3699 (c_find_base_decl): Deleted from here.
3700 (c_get_alias_set): Remove many cases and rework to just handle
3702 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
3703 * c-decl.c (rtl.h, expr.h): Now included.
3704 (init_decl_processing): Call record_component_aliases on array types.
3705 (grokdeclarator): Likewise.
3706 Set TREE_ADDRESSABLE for all fields that are not bitfields.
3707 * c-typeck.c (common_type): Call record_component_aliases for array.
3708 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
3709 Set all save areas to the frame alias set.
3710 * calls.c (initialie_argument_information): Call set_mem_attributes.
3711 (compute_argument_addresses, expand_call): Likewise.
3712 * explow.c (set_mem_attributes): New function.
3713 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
3714 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
3715 LEN and OFFSET now HOST_WIDE_INT.
3716 (clear_by_pieces): Similar changes.
3717 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
3718 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
3719 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
3720 (clear_by_pieces_1): Likewise.
3721 (emit_push_insn): Call set_mem_attributes.
3722 (expand_expr, case INDIRECT_REF): Likewise.
3723 (expand_expr, case VAR_DECL): Call change_address.
3724 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
3726 (get_varargs_alias_set, get_frame_alias_set): New decls.
3727 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
3728 (new_alias_set, set_mem_attributes): Likewse.
3729 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
3730 (assign_stack_temp_for_type): Likewise.
3731 Can split slot even if alias set since can copy.
3732 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
3733 (assign_temp): Use host_integerp and tree_low_cst.
3734 (put_var_into_stack): Properly handle SAVE_EXPR.
3735 (put_addressof_into_stack): Likewise.
3736 (assign_parms): Call set_mem_attributes.
3738 (fix_lexical_address): Put reference to chain into frame alias set.
3739 (expand_function_start): Call set_mem_attributes.
3740 * integrate.c (expand_inline_function): Likewise.
3741 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
3742 * regmove.c (try_apply_stack_adjustment): Likewise.
3743 * reload.c (push_reload, make_memloc): Likewise.
3744 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
3745 * rtl.def (MEM): Update comment.
3746 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
3747 (move_by_pieces): Change length to HOST_WIDE_INT.
3748 (record_base_value, record_alias_subset): Delete from here.
3749 * stmt.c (expand_decl): Call set_mem_attributes.
3750 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
3751 * toplev.c (compile_file): Call init_alias_once earlier.
3752 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
3753 from here: now in alias.c.
3754 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
3755 (struct tree_decl): Likewise.
3756 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
3757 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
3758 (output_constant_def, force_const_mem): Likewise.
3760 * flow.c (propagate_block): If block has no successors, stores to
3761 frame are dead if not used.
3763 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
3765 * stmt (expand_end_case): Reorder conversion sequence for jump
3766 table to avoid extra truncations.
3768 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
3770 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
3771 in the block is more than just a simple conditional branch.
3772 (noce_process_if_block): Similarly.
3774 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
3776 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
3779 2000-05-30 Michael Meissner <meissner@redhat.com>
3781 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
3782 instructions. Treat LO_SUM operations as loading the full integer
3785 2000-05-30 Richard Henderson <rth@cygnus.com>
3787 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
3789 2000-05-30 Richard Henderson <rth@cygnus.com>
3791 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
3793 2000-05-30 Bruce Korb <bkorb@gnu.org>
3795 * fixinc/tests/*: Added expected result files for fixinc's make check
3796 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
3798 2000-05-30 Richard Henderson <rth@cygnus.com>
3800 * config/alpha/alpha.md (*setne_internal): Use match_operator
3801 instead of working down from insn.
3803 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3805 * invoke.texi (-Wtraditional): Update WRT function macros.
3807 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
3809 * except.c (free_exception_table): Do not free NULL.
3811 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3813 * cpplib.c (do_if): Don't save and restore only_seen_white here.
3814 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
3817 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
3819 * flow.c (mark_used_reg): If a register is unconditionally live,
3820 remove any conditional death information.
3822 2000-05-29 Richard Henderson <rth@cygnus.com>
3824 * final.c (current_output_insn): New.
3825 (final_scan_insn): Set it.
3826 * output.h: Declare it.
3828 2000-05-29 Richard Henderson <rth@cygnus.com>
3830 * stor-layout.c (finalize_record_size): Fix typo.
3832 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
3835 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
3837 * cpplib.h (cpp_reader): Remove if_stack. Change
3838 potential_control_macro to a cpp_hashnode *. Add skipping flag.
3839 * cpphash.h (struct ihash): Change control_macro to a
3840 cpp_hashnode * and shorten name to cmacro.
3841 Add NEVER_REINCLUDE constant.
3843 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
3844 Examine the cmacro node directly, no need to call cpp_defined.
3845 (_cpp_execute_include, read_include_file): Set cmacro to
3846 NEVER_REINCLUDE, not U"".
3847 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
3848 (cpp_get_token): If pfile->skipping is true, discard text and
3849 keep scanning until we hit a directive; don't expand macros.
3851 * cpplib.c (struct if_stack): Remove if_succeeded, add
3852 was_skipping. Change control_macro to a cpp_hashnode * and
3853 shorten name to cmacro. Remove typedef IF_STACK.
3854 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
3855 (conditional_skip, skip_if_group,
3856 consider_directive_while_skipping): Delete.
3857 (push_conditional): New.
3858 (_cpp_handle_directive): Don't process directives other than
3859 conditionals if we are skipping.
3861 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
3862 Update to new scheme.
3863 (validate_else): Skip rest of line here, unconditionally.
3864 (_cpp_unwind_if_stack): The stack is per-buffer. Force
3865 pfile->skipping off.
3867 (all): Remove `scare quotes' from error messages.
3869 2000-05-29 Richard Henderson <rth@cygnus.com>
3871 * function.c (emit_return_into_block): New line_note arg; emit it.
3872 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
3873 for the close brace to accompany HAVE_return. Move all line notes
3874 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
3876 2000-05-29 Richard Henderson <rth@cygnus.com>
3878 * longlong.h [__alpha] (count_leading_zeros): New.
3879 (count_trailing_zeros): New.
3880 (COUNT_LEADING_ZEROS_0): New.
3882 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
3883 (alpha_split_conditional_move): New.
3884 * config/alpha/alpha-protos.h: Prototype them.
3885 * config/alpha/alpha.h (PREDICATE_CODES): Update.
3886 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
3887 * config/alpha/alpha.md: Update ffs cix commentary.
3889 (*nabssf2, *nabsdf2): New.
3890 (*mov[qhsd]icc_internal): Use add_operand.
3891 (if_then_else constant splitters): New.
3892 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
3893 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
3895 2000-05-29 Richard Henderson <rth@cygnus.com>
3897 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
3898 a constant to NEG or NOT when conditions allow.
3900 * combine.c (combine_simplify_rtx): Don't create an if_then_else
3901 unless both args are general_operand. Don't canonicalize plus
3902 to ior unless it helps.
3904 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
3905 instead track register_life_up_to_date. Toggle no_new_pseudos
3908 2000-05-28 Geoff Keating <geoffk@cygnus.com>
3910 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
3911 so output_operand doesn't see them.
3913 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
3915 * lcm.c (make_preds_opaque): Fix comment.
3916 (optimize_mode_switching): Use NORMAL_MODE instead of
3917 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
3918 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
3919 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
3920 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
3921 (MODE_USES_IN_EXIT_BLOCK): Delete.
3922 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
3923 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
3924 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
3925 (MODE_NEEDED): Don't look for USE.
3926 (EPILOGUE_USES): Define.
3928 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
3930 * mklibgcc.in (all): Variable initialised to `libgcc'.
3932 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
3934 * toplev.h (skip_leading_substring): New macro.
3935 * toplev.c (decode_f_option): Use skip_leading_substring instead
3937 (decode_W_option): Likewise.
3939 2000-05-28 Nick Clifton <nickc@cygnus.com>
3941 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
3944 2000-05-28 Richard Henderson <rth@cygnus.com>
3946 * regclass.c (record_operand_costs): Protect reg_changes_size
3947 with CLASS_CANNOT_CHANGE_SIZE.
3949 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
3951 2000-05-28 Richard Henderson <rth@cygnus.com>
3953 * function.c (diddle_return_value): A pcc-style struct return
3956 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
3958 * cppfiles.c: Read files in, using mmap if possible, then
3959 prescan them separately.
3960 (read_file, read_with_read): New functions.
3961 * cpplex.c: Don't define UCHAR_MAX.
3962 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
3965 * cppinit.c (handle_option): Automatically define __cplusplus,
3966 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
3967 the respective -lang switch.
3969 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
3970 prototype): Move to...
3971 * cpplib.h: ... here. Rename struct hashnode to struct
3972 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
3973 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
3975 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
3977 * config/rs6000/rs6000.md (movsi): Constify 'name'.
3979 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
3980 (class_can_change_size): New variable.
3981 (reg_changes_size): New variable.
3982 (init_reg_sets_1): Initialise class_can_change_size.
3983 (record_operand_costs): Remove subreg_changes_size.
3984 Don't pass it around. Instead update reg_changes_size.
3985 (regclass): Initialise and free reg_changes_size. If a register
3986 changes size, don't preference it to a class that contains
3987 registers that can't change size.
3988 (record_reg_classes): Don't look at subreg_changes_size.
3990 2000-05-27 Richard Henderson <rth@cygnus.com>
3992 * print-rtl.c (reg_names): Remove const.
3993 * regclass.c (reg_names): Likewise.
3994 * regs.h (reg_names): Likewise.
3995 * hard-reg-set.h (reg_names): Likewise.
3997 2000-05-27 Richard Henderson <rth@cygnus.com>
3999 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
4001 2000-05-27 Richard Henderson <rth@cygnus.com>
4003 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
4004 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
4005 (alpha_expand_prologue): Emit prologue_mcount if needed.
4006 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
4007 * config/alpha/alpha.md (prologue_mcount): New.
4008 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
4009 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
4010 * config/alpha/netbsd.h: Likewise.
4012 2000-05-27 Richard Henderson <rth@cygnus.com>
4014 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
4015 change to config/elfos.h.
4017 2000-05-27 Richard Henderson <rth@cygnus.com>
4019 * Makefile.in (resource.o): Depend on except.h.
4020 * except.h (output_exception_table_data): Prototype.
4021 * genconfig.c (gen_peephole2): Prototype.
4022 * genemit.c (main): Include ggc.h.
4023 * genoutput.c: Revert parts of last change: include errors.h
4024 (main): Set progname.
4025 * recog.c: Include hard-reg-set.h before recog.h.
4026 * resource.c: Include except.h.
4028 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
4030 (alpha_write_linkage): Protect with BUFSIZ.
4031 (alpha_need_linkage): Update prototype.
4032 * config/alpha/alpha.c (function_arg): Move VMS code here.
4033 (alpha_links_base): Remove.
4035 (mark_alpha_links_node, mark_alpha_links): New.
4036 (alpha_write_one_linkage): New.
4037 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
4038 (alpha_write_linkage): Use splay_tree_foreach.
4039 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
4040 to get the linkage symbol.
4041 (call_value_vms): Likewise.
4042 * config/alpha/elf.h (output_file_directive): Remove decl.
4043 (ctors_section, dtors_section): Prototype.
4044 (sbss_section, sdata_section): Prototype.
4045 * config/alpha/vms.h (FUNCTION_ARG): Remove.
4046 (readonly_section, link_section, literals_section): Prototype.
4047 (ctors_section, dtors_section): Prototype.
4048 (vms_valid_decl_attribute_p): Remove decl.
4049 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
4051 2000-05-27 Geoff Keating <geoffk@cygnus.com>
4053 * reload.c (get_secondary_mem): Don't widen floating-point modes.
4055 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
4056 substituting the REG in a (subreg:X (reg:Y ...)).
4058 2000-05-28 Neil Booth <NeilB@earthling.net>
4060 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
4061 first token of a line BOL. Update EOF code for this.
4062 Remove illegal directive check - it appears in the (not
4063 yet committed) caller.
4064 * cpplib.h (BOL): New flag.
4066 2000-05-28 Neil Booth <NeilB@earthling.net>
4068 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
4069 (_cpp_free_toklist): No comment space to free.
4070 (expand_comment_space): Remove.
4071 (save_comment_space): Place the comment in the current token and
4072 not in a separate comment space.
4073 (_cpp_lex_line): Save comments during plain code and #define
4075 * cpplib.h (struct _cpp_toklist): Remove comment space.
4077 2000-05-28 Neil Booth <NeilB@earthling.net>
4079 * cppexp.c (parse_assertion): Supply extra argument to
4081 * cpplib.c (do_assert, do_unassert): Similarly.
4082 * cpphash.h (_cpp_init_toklist) Update.
4083 (_cpp_expand_token_space): New.
4084 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
4085 * cpplex.c (_cpp_init_toklist): New argument.
4086 (parse_string2): New argument multiline_ok.
4087 (spell_token): Take a const cpp_token *.
4088 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
4089 (SPELL_ macros): Replace with enum.
4090 (expand_token_space): Replace with _cpp_expand_token_space.
4091 Take COUNT argument.
4092 (IS_DIRECTIVE): Update.
4093 (_cpp_lex_line): Update token structure before parsing number.
4094 Don't assume start at beginning of token list.
4095 (save_comment): Use INIT_TOKEN_NAME.
4097 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
4099 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
4100 -Wmissing-prototypes.
4101 * configure: Regenerate.
4102 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
4104 * builtins.c, calls.c: Change all instances of gen_call_* or
4105 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
4106 * calls.c (struct_value_size_rtx): Separate definition from
4107 initialization to avoid unused variable warning.
4109 * genflags.c (gen_macro): New function.
4110 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
4111 (gen_nonproto): Delete.
4112 (gen_insn): Put all insns on the same obstack.
4113 (main): Generate prototypes for everything unconditionally.
4115 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
4116 out check for wchar_t.
4117 * acconfig.h: Add template for ssize_t. Remove @TOP@.
4118 * system.h: Add infrastructure for defining missing
4119 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
4120 definitions of UCHAR_MAX and SSIZE_MAX.
4121 * configure: Regenerate.
4122 * config.in: Regenerate.
4124 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
4125 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
4127 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
4128 libgcc2.a, or libgcc1.null.
4130 2000-05-27 Richard Henderson <rth@cygnus.com>
4132 * Makefile.in (recog.o): Don't depend on resource.h.
4133 * recog.c: Don't include resource.h.
4134 (recog_last_allowed_insn): Remove.
4135 (recog_next_insn): Remove.
4136 (struct peep2_insn_data): New.
4137 (peep2_insn_data, peep2_current): New.
4138 (peep2_next_insn): New.
4139 (peep2_regno_dead_p, peep2_reg_dead_p): New.
4140 (peep2_find_free_register): New.
4141 (peephole2_optimize): Track life information by insn as we go.
4142 * recog.h: Update declarations.
4143 * resource.c (find_free_register, reg_dead_p): Remove.
4144 * resource.h: Remove their declarations.
4145 * toplev.c: Include hard-reg-set.h before recog.h.
4147 * genconfig.c (max_insns_per_peep2): New.
4148 (gen_peephole2): New.
4150 * genemit.c (output_peephole2_scratches): Generate calls to
4151 peep2_find_free_register; adjust surrounding code.
4152 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
4153 * genrecog.c (change_state): Don't track last_insn.
4154 (write_action): Write into *_pmatch_len before accepting.
4155 (write_tree): Adjust peephole2_insns and subroutines to match.
4157 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
4159 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
4160 (hard_int_register_operand): New.
4161 * config/alpha/alpha-protos.h: Declare it.
4162 * config/alpha/alpha.h (PREDICATE_CODES): Update.
4163 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
4164 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
4166 2000-05-27 Richard Henderson <rth@cygnus.com>
4168 * function.c (thread_prologue_epilogue_insns): Don't move the
4169 line note at the head of the chain. Only force a lineno note
4170 before the end of block 0.
4172 2000-05-27 Richard Henderson <rth@cygnus.com>
4174 * gensupport.c (collect_insn_data): Record the maximum number
4175 of alternatives, not the last seen.
4177 * genoutput.c: Don't include errors.h.
4178 (struct data): Add lineno member.
4180 (scan_operands): Use message_with_line instead of error.
4181 (validate_insn_alternatives): Likewise.
4182 (gen_insn): Accept and store the pattern's line number.
4183 (gen_peephole, gen_expand, gen_split): Likewise.
4184 (main): Don't set progname. Pass line_no to gen_foo.
4186 2000-05-27 Richard Henderson <rth@cygnus.com>
4188 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
4189 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
4190 * config/d30v/d30v.md (attr predicable): New.
4191 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
4192 (andsi3*): Unify into one pattern.
4193 (iorsi3*, xorsi3*): Likewise.
4194 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
4196 (old cond_exec patterns): Remove.
4197 (define_cond_exec): New.
4199 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4201 * tree.h (TREE_CODE_LENGTH): New macro.
4202 * c-common.c (c_find_base_decl): Use it.
4203 * expr.c (safe_from_p): Likewise.
4204 * print-tree.c (print_node): Likewise.
4205 * tree.c (make_node, copy_node, get_identifier): Likewie.
4206 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
4207 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
4208 * fold-const.c (make_range): Likewise.
4209 (fold): Likewise; also use first_rtl_op.
4210 * c-iterate.c (collect_iterators): Use first_rtl_op.
4211 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
4212 Use IS_EXPR_CODE_CLASS.
4213 (preexpand_calls): Likewise.
4214 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
4215 and TREE_CODE_LENGTH.
4216 * stmt.c (warn_if_unused_value): If no operands, no unused value.
4218 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
4220 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
4222 (movdi_internal64): Likewise.
4224 * config/rs6000/rs6000.md: Correct order of operands for DImode
4227 * config/rs6000/rs6000.c (boolean_or_operator): New function.
4228 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
4229 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
4230 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
4231 boolean_operator for the boolean patterns without NOTs.
4233 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
4234 from reg_or_u_cint_operand. Change comment and behaviour.
4235 (logical_operand): Clean up, add assertion.
4236 (non_logical_cint_operand): Also check for
4237 reg_or_logical_cint_operand.
4238 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
4239 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
4245 2000-05-26 Mark Mitchell <mark@codesourcery.com>
4247 * tree.h (struct record_layout_info): Rename to (struct
4248 record_layout_info_s).
4249 * stor-layout.c (start_record_layout): Replace
4250 `record_layout_info' with `record_layout_info_s'.
4252 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4254 * flow.c (find_label_refs): New function.
4255 (find_basic_blocks_1): Call it for each alternative of a call
4258 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
4260 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
4263 2000-05-25 Richard Henderson <rth@cygnus.com>
4265 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
4266 so strict about DImode.
4267 (alpha_swapped_comparison_operator): Likewise.
4268 * config/alpha/alpha.md (*setne_internal): Name it. Allow
4269 any integer output mode.
4270 (*setcc_internal): Likewise.
4271 (*setcc_swapped_internal): Likewise.
4272 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
4273 (*mov[qhs]icc_internal): New.
4274 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
4276 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
4278 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
4280 2000-05-25 Richard Henderson <rth@cygnus.com>
4282 * bb-reorder.c (reorder_block_def): Reorder elements for size.
4283 Remove add_jump; add next; replace flags with visited.
4285 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
4286 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
4287 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
4288 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
4290 (reorder_index, reorder_last_visited): Remove.
4291 (skip_insns_after_block): Rewrite to use a switch.
4292 (get_common_dest): Remove.
4293 (chain_reorder_blocks): Remove.
4294 (record_effective_endpoints): Split out from reorder_basic_blocks.
4295 (make_reorder_chain): Likewise. Loop until all blocks are placed.
4296 (make_reorder_chain_1): Renamed from old make_reorder_chain.
4297 Only construct the reorder chain, do not move insns. Try harder
4299 (label_for_bb, emit_jump_to_block_after): New.
4300 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
4301 and adjust the jump insns appropriately. Fixup basic_block_info.
4302 (verify_insn_chain): Always define.
4303 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
4305 (make_new_scope): Don't write zeros to calloc'd space.
4306 (build_scope_forest): Rely on xrealloc to DTRT.
4307 (reorder_basic_blocks): Don't build loop nest. Don't fail if
4308 profile_arc_flag. Streamline EH test.
4310 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
4311 * basic-block.h: Declare them.
4313 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
4315 * emit-rtl.c (reset_used_decls): New function.
4316 (unshare_all_rtl_again): Call it.
4318 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
4320 * cpplex.c (maybe_macroexpand): Warn about function-like
4321 macros used in non-function context, if -Wtraditional.
4323 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4325 * recog.c (peephole2_optimize): Use INSN_P.
4327 2000-05-25 Richard Henderson <rth@cygnus.com>
4329 * ifcvt.c (seq_contains_jump): New.
4330 (noce_try_store_flag_constants): Use it to fail conversion.
4331 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
4333 2000-05-25 Mark Mitchell <mark@codesourcery.com>
4335 * except.h (can_throw): Declare it.
4336 * except.c (can_throw): Give it external linkage.
4337 * resource.c (find_dead_or_set_registers): Use can_throw.
4339 2000-05-25 Richard Henderson <rth@cygnus.com>
4341 * flow.c (mark_set_1): Don't record conditionally dead memory.
4343 2000-05-25 Jan Hubicka <jh@suse.cz>
4345 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
4346 and pc_set at the place of simplejump_p and condjump_p.
4347 * cse.c (record_jump_equiv): Likewise.
4348 * emit-rtl.c (emit): Likewise.
4349 * explow.c (find_next_ref): Likewise.
4350 * flow.c (tidy_fallthru_edge): Likewise.
4351 (init_propagate_block_info): Likewise.
4352 * gcse.c (delete_null_pointer_checks): Likewise.
4353 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
4354 dead_or_predicable): Likewise.
4355 * integrate.c (copy_insn_list): Likewise.
4356 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
4357 for_each_insn_in_loop, check_dbra_loop, get_condition,
4358 insert_bct, load_mems): Likewise.
4359 * resource.c (find_dead_or_set_registers): Likewise.
4360 * sibcalls.c (simplejump_p): Likewise.
4361 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
4363 2000-05-25 David Edelsohn <edelsohn@gnu.org>
4365 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
4366 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
4368 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
4369 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
4370 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
4371 * rs6000.md: Name various internal patterns.
4373 2000-05-25 Jan Hubicka <jh@suse.cz>
4375 * jump.c (invert_exp_1): Remove first argument, use pc_set
4376 to get the expression.
4377 (redirect_exp): Make static; redirect only the pc_set expression,
4378 remove first argument.
4379 (invert_exp): Remove first argument, make static.
4380 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
4381 any_onlyjump at most places where we originaly did condjump_p
4383 (jump_back_p, follow_jumps, thread_jumps): Likewise.
4384 (delete_barrier_succesors): Use pc_set.
4385 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
4386 calls of invert_exp and redirect_exp.
4387 * rtl.h (redirect_exp, invert_exp): Remove.
4388 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
4390 2000-05-25 Richard Henderson <rth@cygnus.com>
4392 * stmt.c (expand_end_bindings): Fix thinko last change.
4394 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
4395 Andrew Haley <aph@cygnus.com>
4397 * except.c (func_eh_entry): Add emitted field.
4398 (new_eh_region_entry): Set emitted field to 0;
4399 (output_exception_table_entry): Only emit previously un-emitted data,
4400 and send it to the eh_data section.
4401 (output_exception_table): Break out common parts. Output
4402 exception table for entire compilation unit to eh_data section.
4403 (output_exception_table_data): Common parts of output_exception_table.
4404 Send output to eh_data section.
4405 (output_function_exception_table): Output exception table data for
4406 a single function to eh_data section.
4407 (free_exception_table): New external to free the table.
4408 * except.h (free_exception_table): Add prototype.
4409 (output_function_exception_table): Add prototype.
4410 * final.c (final_end_function): Output function exception table
4411 for IA64_UNWIND_INFO.
4412 (final_scan_insn): Emit any unwind directives for an insn.
4414 * frame-dwarf2.c: New file containing all DWARF 2 specific code
4416 * frame.c: Remove all DWARF 2 specific code.
4417 * config/ia64/frame-ia64.c: New file.
4418 (gthread_stuff): Make all gthread available with
4420 (dwarf_fde): Define an IA64 struct for dwarf_fde.
4421 (__register_frame_info, __register_frame): Move to common area of file.
4422 (__register_frame_info_table, __register_frame_table): Move to common i
4424 (__deregister_frame_info, __deregister_frame): Move to common area.
4425 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
4426 (read_uleb128): New version for ia64.
4427 (get_unwind_record): Read the next IA-64 unwind record.
4428 (read_R_record): Read a region header record.
4429 (process_a_b_reg_code): X record helper.
4430 (read_X_record): Read an X format record.
4431 (read_B_record): Read a B format record.
4432 (P3_record_types): List of record types matching the P3 format.
4433 (P7_record_types): List of record types matching the P7 format.
4434 (P8_record_types): List of record types matching the P8 format.
4435 (read_P_record): Read a P format record.
4436 (init_ia64_reg_loc): Set default fields for a register.
4437 (init_ia64_unwind_frame): Set defaults for all register records.
4438 (execute_one_ia64_descriptor): Execute one descriptor record.
4439 (rse_address_add): Calculate the position of a local reg in memory.
4440 (normalize_reg_loc): Turn a location descriptor into a memory address.
4441 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
4442 within a specified PC offset range.
4443 (get_real_reg_value): Given a register location, retrieve its value.
4444 (set_real_reg_value): Change the value of a register location.
4445 (copy_reg_value): Copy reg values, if needed.
4446 (copy_saved_reg_state): Copy all registers that need to be copied.
4447 (process_state_between): Normalize all frame register records that
4448 fall within the specified PC range.
4449 (frame_translate): Take a processed frame description, and turn
4450 everything into addresses.
4451 (build_ia64_frame_state ): Find and create frame state record for a PC.
4452 (get_personality): Get the personality routine for a given frame.
4453 (get_except_table): Get the exception table for a given frame.
4454 (record_name): Unwind record names for debugging.
4455 (print_record): Print and unwind record.
4456 (print_all_records): Print an entire unwind image.
4457 (__ia64_backtrace): Print a backtrace.
4458 (ia64_backtrace_helper): New function.
4459 (__register_frame_info_aux): New function.
4460 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
4462 * frame.h (enum unw_record_type): New unwind record types.
4463 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
4464 (struct unw_r_record, unwind_record): New unwind record structs.
4465 (struct unwind_info_ptr): Unwind information layout.
4466 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
4468 (struct ia64_reg_loc): Register location description.
4469 (struct ia64_frame_state): Location of all registers in a frame.
4470 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
4471 * libgcc2.c (__ia64_personality_v1): Personality routine.
4472 (__calc_caller_bsp): Calculate the bsp register for the caller's
4474 (ia64_throw_helper): Figure out who to return to and set up the
4476 (__throw): Throw routine.
4478 * output.h (assemble_eh_align, assemble_eh_label): New functions
4479 to generate EH info where we want it.
4480 (assemble_eh_integer): New function.
4481 * toplev.c (compile_file): Output module level exception table for
4483 (main): Set exceptions_via_longjump and flag_new_exceptions based
4484 on IA64_UNWIND_INFO too.
4486 * varasm.c (assemble_eh_label): Generate a label via
4487 ASM_OUTPUT_EH_LABEL if it has been specified.
4488 (assemble_eh_align): Generate an alignment directive via
4489 ASM_OUTPUT_EH_ALIGN if it has been specified.
4490 (assemble_eh_label): Generate an integer value via
4491 ASM_OUTPUT_EH_type if they have been specified.
4492 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
4493 (ia64_init_builtins): Add __builtin_ia64_bsp
4494 and __builtin_ia64_flushrs.
4495 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
4496 IA64_BUILTIN_FLUSHRS.
4497 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
4498 IA64_BUILTIN_FLUSHRS.
4500 * config/ia64/ia64.md (flushrs): New insn to flush the register
4501 stack. Add to unspec list.
4503 * config/ia64/crtbegin.asm (frame_object): Change size.
4504 (__do_frame_setup_aux): New function.
4505 * config/ia64/crtend.asm: call __do_frame_setup_aux.
4506 * config/ia64/t-ia64 (LIB2ADDEH): Add.
4507 * Makefile.in (LIB2ADDEH): Add.
4508 (LIB2ADD): Use LIB2ADDEH.
4510 2000-05-24 Richard Henderson <rth@cygnus.com>
4512 * recog.c (offsettable_address_p): If mode size is zero, assume
4515 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
4517 * configure.in: Check for -Wno-long-long option support and improve
4518 handling of warning CFLAGS for stages 1 and 2.
4519 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
4520 * configure: Regenerate.
4522 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
4524 * gcc.texi: Remove contributor list. Instead include contrib.texi.
4525 * contrib.texi: New file.
4527 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4529 * loop.c (basic_induction_var): Avoid double recording of an increment.
4531 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4533 * Back out this patch:
4534 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
4535 * loop.h (struct induction): Add multi_insn_incr.
4536 * loop.c (basic_induction_var): New multi_insn_incr argument.
4537 Set it if we search back through previous insns for the biv.
4538 (record_biv): New multi_insn_incr argument; fill in struct induction.
4539 (strength_reduce): Discard an iv with multiple bivs, any of
4540 which require multiple insns to increment.
4542 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
4544 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4546 * rtl.h (loc_mentioned_in_p): Declare.
4547 * reload.c (loc_mentioned_in_p): Moved from here...
4548 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
4549 Fix loop increment for 'E' handling.
4550 * loop.c (strength_reduce): When doing biv->giv conversion,
4551 take multi-insn biv increments into account.
4553 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
4555 * stmt.c (expand_end_bindings): Look through NOTEs to find a
4558 2000-05-24 Mark Mitchell <mark@codesourcery.com>
4560 * calls.c (expand_call): Handle cleanups in tail-recursion
4561 arguments analagously to cleanups in sibling calls.
4563 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4565 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
4566 All callers changed.
4568 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4570 * expr.c (expand_assignment, store_expr, expand_expr,
4571 expand_expr_unaligned): Set in_check_memory_usage while emitting
4572 chkr_check_addr libcall.
4574 2000-05-24 Nick Clifton <nickc@cygnus.com>
4576 * fold-const.c (extract_muldiv): When constructing a
4577 multiplier/divisor, do not expect const_binop to correctly
4578 determine if overflow has occured, so check explicitly.
4580 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
4582 * c-decl.c (build_enumerator): Don't modify the value's type,
4585 2000-05-24 Andreas Jaeger <aj@suse.de>
4587 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
4589 2000-05-24 Eric Christopher <echristo@cygnus.com>
4591 * configure.in: Redefine inhibit_libc conditions.
4592 * libgcc2.c: Remove inhibit_libc conditional define.
4593 * configure: Regenerate.
4595 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
4597 * configure.in: For --enable-languages=LIST, check for empty LIST.
4598 * configure: Regenerate.
4600 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
4602 * pdp11.h (STACK_BOUNDARY): Define.
4604 2000-05-24 Jakub Jelinek <jakub@redhat.com>
4606 * ifcvt.c (if_convert): Update life info globally.
4608 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4610 * emit-rtl.c (unshare_all_decls): New function.
4611 (unshare_all_rtl): Call it.
4613 2000-05-23 Nick Clifton <nickc@cygnus.com>
4615 * configure.in: Treat 'strongarm' as if it were 'arm' when
4616 determining cpu type.
4618 * configure: Regenerate.
4620 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
4621 where constant strings are involved.
4623 * config/arm/arm.h (arm_condition_codes): Change type to 'const
4626 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
4627 cases where constant strings are involved.
4629 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
4631 * config/sh/sh.c (gen_far_branch, split_branches): Update
4632 to reflect new prototypes for redirect_jump and invert_jump.
4633 (sh_insn_length_adjustment): Get rid of const warnings.
4635 2000-05-23 Kazu Hirata <kazu@hxi.com>
4637 * invoke.texi (Options for Debugging Your Program or GCC): Update
4638 the names of dump files.
4640 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
4642 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
4643 * configure: Regenerated.
4645 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4647 * simplify-rtx.c (SIGN_EXTEND): New macro.
4648 (simplify_unary_operation, simplify_binary_operation,
4649 simplify_relational_operation): Use SIGN_EXTEND. Make low
4650 halves of (low, high) pairs unsigned if they weren't already.
4651 (simplify_ternary_operation): Cast INTVAL to unsigned before
4652 comparing to a MODE_BITSIZE.
4654 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4656 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
4657 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
4659 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
4660 gcc_AC_NEED_DECLARATIONS.
4662 * dwarfout.c: Don't prototype time().
4664 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
4666 * system.h: Likewise.
4668 * toplev.c: Likewise.
4670 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
4672 * c-decl.c (pushdecl): Invert sense of test for non-global types.
4674 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4676 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
4678 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
4680 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
4682 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4684 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
4685 (alpha_start_function): Never write ..ng label if VMS or NT.
4686 (alpha_align_insns): Remove GP_IN_USE arg.
4687 Alignment now unsigned.
4688 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
4689 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
4690 and two define_insn's.
4692 2000-05-22 Richard Henderson <rth@cygnus.com>
4694 * combine.c (simplify_comparison): Use trunc_int_for_mode.
4696 2000-05-22 Richard Henderson <rth@cygnus.com>
4698 * stor-layout.c (place_field): Change rli->size to rli->offset.
4700 2000-05-22 Richard Henderson <rth@cygnus.com>
4702 * function.c (thread_prologue_and_epilogue_insns): Make sure
4703 existing line number notes appear after the prologue.
4705 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4707 * config/alpha/alpha.c (alpha_fnname): New static variable.
4708 (print_operand, case '~'): New case.
4709 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
4710 (alpha_start_function): Set alpha_fnname.
4711 Write "ng" label if no ldgp; don't write ldgp insn.
4712 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
4713 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
4715 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
4717 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
4720 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
4722 * varasm.c (eh_frame_section): Revert change to argument list.
4724 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4726 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
4727 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
4729 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
4730 dangling "else" that causes "break" to be conditional.
4731 Also remove unneeded code at start.
4733 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
4735 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
4736 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
4737 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
4739 2000-05-22 Jakub Jelinek <jakub@redhat.com>
4741 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
4744 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4746 * alias.c (record_component_aliases): New function.
4747 * tree.h: Clean up some declarations and comments.
4748 (record_component_aliases): New declaration.
4749 * tree.c (get_alias_set): If type and has alias set, use it.
4751 2000-05-22 Richard Henderson <rth@cygnus.com>
4753 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
4754 IF_THEN_ELSE to a setcc form.
4755 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
4757 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4759 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
4760 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
4762 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4764 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
4767 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4769 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
4770 * config/mn10300/mn10300.c (print_operand): Likewise.
4772 * final.c (split_double): Right shift of negative values is not
4775 * ifcvt.c (if_convert): Scan and kill dead code.
4777 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
4779 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
4781 * diagnostic.c: Eliminate implicit int.
4782 * except.c, gcc.c: Add static prototypes.
4783 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
4784 * gensupport.c (process_rtx): Use XVEC to initialize vector
4787 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
4788 debug_reg_names instead of static reg_names. If not, define
4790 * regclass.c: Don't define global reg_names unless
4791 DEBUG_REGISTER_NAMES is defined.
4793 * reload1.c (order_regs_for_reload): Remove unused variable.
4794 * varasm.c: Include output.h after defaults.h. Define
4795 eh_frame_section as function of no args, not of unspecified args.
4797 * gcc.c: Constify argbuf; arguments to store_arg,
4798 process_command, main; elements of struct command and struct
4799 switchstr; local variables in execute, process_command, main.
4801 2000-05-20 Bruce Korb <bkorb@gnu.org>
4803 * fixinc/inclhack.def: many applications of c_fix=format + tests
4804 * fixinc/check.diff: regenerated
4805 * fixinc/fixincl.x: regenerated
4807 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4809 * alias.c: Clarify some comments.
4810 (record_base_value): REGNO is unsigned.
4811 * rtl.h (record_base_value): Likewise.
4813 * alias.c (aliases_everything_p): Don't special-case QImode here.
4814 * c-common.c (c_get_alias_set): Do it here.
4815 Handle BIT_FIELD_REF by getting alias info for arg.
4818 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
4820 * mklibgcc.in: Restore rule to create ${dir}.
4822 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
4824 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
4825 GCC_FOR_TARGET used by MULTILIBS.
4826 * mklibgcc.in: Make sure each .o file depends on the
4827 directory it will be in.
4828 Make the multilib directory depends libgcc.
4830 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
4832 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
4834 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
4836 * fold-const.c (make_range): Handle degenerated intervals.
4837 Fixes c-torture/execute/991221-1.c
4839 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4841 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
4842 * reload.c (find_equiv_reg): Likewise.
4843 * alias.c (init_alias_analysis): Likewise.
4844 Only call prologue_epilogue_contains on insns.
4845 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
4846 * bb-reorder.c (hard-reg-set.h): Include earlier.
4847 * haifa-sched.c (hard-reg-set.h): Likewise.
4848 * ifcvt.c (hard-reg-set.h): Likewise.
4849 * local-alloc.c (hard-reg-set.h): Likewise.
4850 * loop.c (hard-reg-set.h): Likewise.
4851 * predict.c (hard-reg-set.h): Likewise.
4852 * regrename.c (hard-reg-set.h): Likewise.
4853 * flow.c (hard-reg-set.h): Likewise.
4854 (reg_set_to_hard_reg_set): New function.
4855 * bitmap.c (regs.h, basic-block.h): No longer include.
4856 (bitmap.h): Now include.
4857 * conflict.c (hard-reg-set.h): Include.
4858 * profile.c (hard-reg-set.h): Likewise.
4859 * print-rtl.c (hard-reg-set.h): Likewise.
4860 * sbitmap.c (hard-reg-set.h): Likewise.
4861 * toplev.c (hard-reg-set.h): Likewise.
4862 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
4863 * hard-reg-set.h (reg_names): Now constant.
4864 * regs.h (reg_names): Likewise.
4865 * regclass.c (reg_names): Likewise.
4866 * loop.h (basic-block.h): No longer include.
4867 (bitmap.h): Now include.
4868 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
4869 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
4870 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
4872 2000-05-19 Jan Hubicka <jh@suse.cz>
4873 Richard Henderson <rth@cygnus.com>
4875 * basic-block.h (struct edge_def): New field "count".
4876 (struct basic_block_def): Likewise.
4877 * flow.c (entry_exit_blocks): Add count fileds.
4878 (split_edge): Keep count information up-to-date.
4879 (dump_edge_info, dump_flow_info): Dump count fields.
4881 * final.c (count_instrumented_edges): Rename to edge from arc.
4882 (end_final): Update users.
4883 * profile.c: Include expr.h, basic-block.h.
4884 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
4885 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
4886 (ignore_next_note, return_label_execution_count): Kill.
4887 (bbg_file_name, da_file_name): Kill.
4888 (edge_info, bb_info): New structures.
4889 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
4890 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
4891 (total_num_edges_instrumented): Likewise.
4892 (init_arc, expand_spanning_tree): Kill.
4893 (fill_spanning_tree, tablejump_entry_p): Kill.
4894 (instrument_edges): Rewrite from instrument_arcs to use
4895 commit_edge_insertions infrastructure.
4896 (compute_branch_probabilities): Remove arguments; rewrite for
4897 CFG infrastructure; use rtl_dump_file directly.
4898 (branch_prob, find_spanning_tree): Likewise.
4899 (union_groups, find_group): New.
4900 (init_branch_prob): Make bbg_file_name and da_file_name local.
4901 (end_branch_prob): Use rtl_dump_file directly.
4902 (init_edge_profiler): Rename to edge from arc.
4903 (output_arc_profiler): Kill.
4904 (gen_edge_profiler): New.
4905 (output_func_start_profiler): Turn off profiling. Make the
4906 constructor static when we can.
4907 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
4909 * toplev.c (DFI_flow): Remove.
4910 (DFI_cfg, DFI_life): New.
4911 (dump_file): Update accordingly.
4912 (compile_file): Call end_branch_prob if profile_arc_flag too.
4913 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
4914 profiling after the CFG is built. Move flow1 life analysis to
4915 DFI_life. Always estimate remaining probabilities.
4917 2000-05-19 Richard Henderson <rth@cygnus.com>
4919 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
4921 * flow.c (make_edges): The sibling call edge to exit is abnormal.
4923 2000-05-19 Richard Henderson <rth@cygnus.com>
4925 * jump.c (redirect_jump): Add delete_unused argument. Don't
4926 remove labels and code following when LABEL_NUSES goes to zero.
4927 (invert_jump): Likewise.
4928 (jump_optimize_1): Fix redirect/invert arguments.
4929 (do_cross_jump, thread_jumps): Likewise.
4930 * flow.c (split_edge): Likewise.
4931 * reorg.c (optimize_skip): Likewise.
4932 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
4933 * profile.c (instrument_arcs): Likewise.
4934 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
4935 * rtl.h: Update prototypes.
4937 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
4939 * ssa.c (convert_from_ssa): Tell life_analysis we need death
4941 (make_regs_equivalent_over_bad_edges): Only look at abnormal
4944 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
4946 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
4947 past l1 when deleting whitespace and markers.
4949 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
4950 * cpplib.c (do_unassert): Put the list to compare against on
4953 2000-05-19 Bruce Korb <bkorb@gnu.org>
4955 * fixinc/README: cleaned up old documentation
4956 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
4957 * fixinc/check.tpl: compute the list of needed directories
4958 emit "#if defined(name)" because of conflict
4959 omit machine name differences from output differences
4960 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
4961 (machine_name): change test text to use `sed' markers
4962 * fixinc/fixincl.x: regen
4964 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4966 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
4969 2000-05-18 Chris Demetriou <cgd@sibyte.com>
4971 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
4972 it to match the current practice.
4974 2000-05-18 Mark Mitchell <mark@codesourcery.com>
4976 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
4978 2000-05-18 Richard Henderson <rth@cygnus.com>
4980 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
4981 * rtl.h (insn_dependant_p): Declare it.
4982 * loop.c (strength_reduce): Use it.
4984 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
4986 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
4987 16-bit and 64-bit clean-up.
4989 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
4991 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
4992 * configure: Rebuilt.
4994 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
4996 * genopinit.c: Use $ for escape sequences in optab patterns.
4997 Remove backslashes from optab patterns. Change $A, $B, $C to
4998 expand to (int) whatever instead of just whatever; remove
4999 explicit (int) from all optab patterns.
5001 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
5002 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
5003 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
5004 genrecog.c: Remove private copies of xmalloc, xrealloc, and
5007 2000-05-18 Richard Henderson <rth@cygnus.com>
5009 * jump.c (jump_optimize_1): Base minimum insn count during
5010 find_cross_jump on BRANCH_COST.
5012 2000-05-18 Jakub Jelinek <jakub@redhat.com>
5014 * print-rtl.c (print_rtx): Only print note line number as string
5015 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
5016 * final.c (final_scan_insn): Do nothing for note line number 0.
5018 2000-05-18 Jakub Jelinek <jakub@redhat.com>
5020 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
5021 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
5022 NOTE_INSN_DELETED_LABEL.
5024 2000-05-18 Nick Clifton <nickc@cygnus.com>
5026 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
5027 uninitialised data in .rodata not .bss, and do not interpret an
5028 error in the initialisation value as meaning that the variable
5029 should be placed in the .bss section.
5031 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
5033 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
5034 not `$ac_cv_prog_cc_cc_c_o'.
5035 * configure: Regenerated.
5037 2000-05-18 Chris Demetriou <cgd@sibyte.com>
5038 Richard Henderson <rth@cygnus.com>
5040 * c-common.h (enum c_tree_index): Add g77 type entries.
5041 (g77_integer_type_node, g77_uinteger_type_node): New.
5042 (g77_longint_type_node, g77_ulongint_type_node): New.
5043 * c-decl.c (init_decl_processing): Initialize them.
5045 2000-05-18 Richard Henderson <rth@cygnus.com>
5047 * config/h8300/h8300.md (subs patterns): Use %G to negate.
5049 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
5050 (small_power_of_two): Likewise; use exact_log2.
5051 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
5052 (output_adds_subs): Remove.
5053 (two_insn_adds_subs_operand): New.
5054 (split_adds_subs): New.
5055 * config/h8300/h8300-protos.h: Update.
5056 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
5057 (CONST_OK_FOR_L): Match strict adds operands.
5058 (CONST_OK_FOR_N): Match struct subs operands.
5059 * config/h8300/h8300.md (adds_subs insns): Remove.
5060 (addhi patterns): Output adds/subs directly.
5061 (addsi_h8300h): Likewise.
5062 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
5064 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
5066 * cppexp.c (parse_assertion): New.
5067 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
5068 (_cpp_parse_expr): Remove case '#'. Don't set
5069 parsing_if_directive.
5070 * cpphash.c (collect_objlike_expansion,
5071 collect_funlike_expansion, collect_params,
5072 _cpp_create_definition): The list no longer has a trailing
5074 * cpphash.h (enum node_type): Add T_ASSERTION.
5075 (struct hashnode): Remove aschain, add pred.
5076 (struct predicate): New.
5079 * cpplex.c (expand_token_space): Handle both offset and
5081 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
5082 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
5083 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
5084 _cpp_equiv_toklists): New.
5085 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
5086 stop at any single-character token, not just newline.
5087 (_cpp_lex_token): Remove special cases for #define and #if.
5088 (cpp_get_token): Expect # as a separate token type. Remove
5090 (_cpp_get_directive_token): Remove DIRECTIVE case.
5091 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
5093 * cpplib.c (_cpp_check_directive): Set dirno and
5094 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
5095 (_cpp_handle_directive): Run # <number> through the same logic
5096 as normal directives.
5097 (do_define): Don't set parsing_define_directive. Use
5098 _cpp_scan_until. The list does not have a VSPACE at the end.
5099 (do_if): Save, clear, and restore only_seen_white around
5101 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
5102 (do_assert, do_unassert): Rewrite.
5104 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
5105 (LIST_OFFSET): New flag.
5106 (struct cpp_toklist): Replace dir_handler and dir_flags with
5108 (struct cpp_reader): Remove parsing_if_directive and
5109 parsing_define_directive.
5111 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5113 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
5114 following the cabs decl which terminate on the following line.
5115 Add the corresponding test_text case.
5117 2000-05-18 Neil Booth <NeilB@earthling.net>
5119 * cppinit.c (cpp_reader_init): Initialise col_adjust and
5120 default tab stop size.
5121 (no_num, OPT_ftabstop): New.
5122 (handle_option): Handle "ftabstop=" command-line option.
5123 (print_help): Document it.
5124 * cpplex.c (COLUMN): Remove.
5125 (handle_newline): Reset col_adjust.
5126 (skip_whitespace): Update col_adjust as tabs encountered.
5127 (_cpp_lex_line): Update to use col_adjust. Call
5128 skip_whitespace for all whitespace.
5129 * cpplib.h (struct cpp_options): New member tabstop.
5130 (struct cpp_reader): New member col_adjust.
5131 (CPP_BUF_COL): Update.
5132 (CPP_BUF_COLUMN): New.
5133 * cpp.texi: Document "-ftabstop=" command line option.
5135 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
5137 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
5139 * configure: Rebuilt.
5141 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
5143 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
5145 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
5146 HOST_BITS_PER_WIDE_INT is >= 64.
5148 2000-05-17 Richard Henderson <rth@cygnus.com>
5150 * jump.c (jump_optimize_1): Remove inactive but real insns
5151 in jump-to-next-insn optimization.
5153 2000-05-17 Richard Henderson <rth@cygnus.com>
5155 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
5156 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
5157 Don't call recompute_reg_usage if no_new_pseudos is true.
5158 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
5159 Return true if we did work; update global life information.
5160 * basic-block.h (optimize_mode_switching): Update decl.
5162 2000-05-17 Neil Booth <neilb@earthling.net>
5164 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
5166 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
5168 * cpplib.c: New feature, #pragma system_header.
5169 * cpp.texi: Document special treatment of system headers, and
5170 the various mechanisms to get a header that special treatment.
5172 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5174 * system.h (offsetof): Define at the very end, to ensure we prefer
5175 the platform's definition if available.
5177 2000-05-16 Bruce Korb <bkorb@gnu.org>
5179 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
5180 * fixinc/server.c: likewise
5181 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
5182 + #ifdef debugging code + use #def constant for
5184 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
5185 on C++ math namespace
5187 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5189 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
5190 Don't check the return value of sprintf. Use asprintf to avoid
5193 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
5195 * flags.h (warn_unused_function, warn_unused_label,
5196 warn_unused_parameter, warn_unused_variable, warn_unused_value):
5197 Replace ``warn_unused''.
5198 (set_Wunused): Add declaration.
5199 * toplev.c (set_Wunused): New function.
5200 (warn_unused_function, warn_unused_label, warn_unused_parameter,
5201 warn_unused_variable, warn_unused_value): New variables.
5202 (W_options): Add -Wunused-function, -Wunused-function,
5203 -Wunused-label, -Wunused-parameter, -Wunused-variable and
5204 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
5206 * toplev.c (decode_W_option): Update -Wunused flags by calling
5208 * c-decl.c (c_decode_option): Ditto for -Wall.
5210 * stmt.c (expand_expr_stmt, expand_expr_stmt,
5211 warn_about_unused_variables): Replace warn_unused with more
5212 explicit warn_unused_value et.al.
5213 * function.c (expand_function_end): Ditto.
5214 * c-typeck.c (internal_build_compound_expr,
5215 internal_build_compound_expr): Ditto.
5216 * c-decl.c (poplevel, pop_label_level): Ditto.
5217 * toplev.c (check_global_declarations): Replace warn_unused with
5218 check for either warn_unused_function or warn_unused_variable.
5220 * gcc.1, invoke.texi (Warning Options): Document
5221 -Wunused-function, -Wunused-function, -Wunused-label,
5222 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
5224 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
5226 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
5227 $(srcdir), not in the current directory.
5229 2000-05-16 Richard Henderson <rth@cygnus.com>
5231 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
5232 assembler supports it.
5233 (.fini, .init): Use a gp-relative indirect call.
5234 (__do_global_dtors_aux): Preserve the gp; rebundle.
5235 (__do_frame_setup): Likewise.
5236 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
5237 (.init): Use a gp-relative indirect call.
5238 (__do_global_ctors_aux): Preserve the gp.
5240 2000-05-16 Richard Henderson <rth@cygnus.com>
5242 * flow.c (commit_one_edge_insertion): Be prepared for a return
5243 insn to be inserted on the edge with a normal jump.
5244 * jump.c (jump_optimize_1): Don't look to create return isns.
5246 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
5247 * jump.c (jump_optimize_1): Likewise.
5248 (returnjump_p): Verify the argument is a JUMP_INSN.
5249 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
5251 2000-05-16 Nick Clifton <nickc@cygnus.com>
5253 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
5254 GET_RTX_CLASS (GET_CODE ()) == 'i'.
5255 (large_insn_p): Ditto.
5256 (m32r_is_insn): New function: Return true if the insn contains
5257 an executable instruction.
5258 (m32r_adjust_insn): Use m32r_is_insn.
5259 (m32r_sched_reorder): Use m32r_is_insn.
5260 (m32r_sched_variable_issue): Use m32r_is_insn.
5262 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5264 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
5267 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
5269 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
5270 according to given options.
5272 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
5274 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
5275 if X has VOIDmode either.
5276 (LIMIT_RELOAD_CLASS): Similarly.
5278 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
5279 not "general_operand" to match the processor's capabilities.
5281 2000-05-16 Bruce Korb <bkorb@gnu.org>
5283 * fixinc/README: corrected return address
5284 * fixinc/check.diff: regenerate, now that test works
5285 * fixinc/fixfixes.c(format_fix,format_write): reformatted
5286 (char_macro_def_fix,char_macro_use_fix): corrected and
5287 rewrote to use regex to parse the text
5288 * fixinc/inclhack.def: more testing
5289 * fixinc/fixincl.x: regenerated
5291 * fixinc/inclhack.def: added several "test_text" attributes
5292 changed several fixes to use `c_fix = format'
5293 re-alphabetized the fixes
5295 * fixinc/check.diff: regenerate
5296 * fixinc/fixincl.x: regenerate
5297 * fixinc/check.tpl: added `sparc' and `netinet' to the list
5301 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
5303 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
5305 2000-05-15 Richard Henderson <rth@cygnus.com>
5307 * toplev.c (rest_of_compilation): Run full jump pass before
5308 find_basic_blocks of flow2.
5310 2000-05-15 Richard Henderson <rth@cygnus.com>
5312 * jump.c: Fix typos and clarify commentary from last change.
5313 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
5314 (safe_to_remove_jump_p): Remove.
5315 (condjump_label): Use pc_set.
5317 2000-05-15 Richard Henderson <rth@cygnus.com>
5319 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
5320 that get in the way after reload.
5321 (cond_exec_process_if_block): Skip a label heading THEN block.
5323 2000-05-15 Richard Henderson <rth@cygnus.com>
5325 * varasm.c (output_constant_pool): Abort instead of converting
5326 (improperly) deleted labels to zero.
5328 2000-05-16 Neil Booth <NeilB@earthling.net>
5330 * cpplex.c (parse_string2): Update comment.
5331 (cpp_lex_line): No special assertion treatment for '('.
5332 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
5333 * cpplib.h (SYNTAX_ASSERT): Remove.
5335 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5337 * jump.c (condjump_p): Mark as depreached.
5338 (any_condump_p): New.
5339 (any_uncondump_p): New.
5341 (safe_to_remove_jump_p): New.
5342 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
5343 safe_to_remove_jump_p): Declare.
5345 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
5347 * calls.c: Re-install both patches reverted by last patch.
5348 (struct arg_data): New field tail_call_reg.
5349 (initialize_argument_information): Initialize tail_call_reg
5350 (load_register_parameters): New argument flags, use
5351 tail_call_reg when emiting tail call sequence.
5352 (expand_call): Update call of load_register_parameters;
5353 copy unadjusted_args_size to adjusted_args_size.
5355 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
5357 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
5358 and bct_p parameters to flags.
5359 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
5360 * rtl.h (loop_optimize): Update prototype.
5361 * toplev.c (rest_of_compilation): Update call of loop_optimize.
5363 2000-05-15 Jakub Jelinek <jakub@redhat.com>
5365 * calls.c (expand_call): Move expand_start_target_temps call after
5368 2000-05-15 Neil Booth <NeilB@earthling.net>
5370 * cpphash.c (trad_stringify, warn_trad_stringify,
5371 collect_params): Make some pointers pointers to const.
5372 * cpplex.c (auto_expand_name_space) Guaranteed to always
5373 expand by at least one character.
5374 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
5375 (struct token_spelling): Use const U_CHAR * rather than PTR.
5376 (expand_name_space): Fix up token pointers if name space
5377 is moved when expanding.
5378 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
5379 parse_string2, save_comment, spell_token, cpp_output_list):
5380 Update so the routines handle tokens with a direct pointer to
5381 their text, rather than an offset into the token's list's namebuf.
5382 (_cpp_lex_line): Rearrange for clarity.
5384 * cpplib.c (_cpp_check_directive): Similarly.
5385 (do_define): Make SYM a pointer to const.
5386 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
5387 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
5388 (TOK_OFFSET): Delete.
5391 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
5393 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
5396 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
5398 (logical_u_operand): Delete.
5399 (non_logical_cint_operand): Rewrite to take MODE into account.
5400 (non_logical_u_cint_operand): Delete.
5401 (boolean_operator): New function.
5402 (print_operand): Add new %q operand.
5403 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
5404 remove logical_u_operand and non_logical_u_cint_operand,
5405 update logical_operand and non_logical_cint_operand.
5406 * config/rs6000/rs6000.md: Rewrite the patterns for performing
5407 logical operations to use %q.
5409 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
5410 (movdi): Make similar to movsi.
5411 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
5412 is no such thing as a DImode CONST_DOUBLE.
5413 * config/rs6000/rs6000.c (output_toc): Likewise.
5415 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
5416 codes when old mnemonics are in use. Print register names
5417 for cc registers when requested.
5419 * optabs.c (expand_float): Don't allow mode widening that causes
5422 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
5423 flags to their current names -maix64 and -maix32.
5425 2000-05-14 Bruce Korb <bkorb@gnu.org>
5427 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
5428 and/or after current text of file
5429 * fixinc/fixlib.c(must_malloc):
5430 * fixinc/fixlib.h(must_malloc): + reformatting
5431 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
5432 with usages of ``c_fix = wrap;''
5433 Add several tests and use the ``c_fix = format'' fixer more.
5434 * fixinc/fixincl.x: regen
5435 * fixinc/check.diff: regen
5436 * fixinc/check.tpl: emit the associated header with the missing
5439 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
5441 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
5442 variables $src and $dst.
5444 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
5446 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
5447 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
5448 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
5449 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
5451 (set_message_prefixing_rule): Declare.
5453 * diagnostic.c: (current_prefixing_rule): New variable.
5454 (set_message_prefixing_rule): Define.
5455 (output_set_prefix): Adjust buffer->emitted_prefix_p.
5456 (init_output_buffer): Adjust Initialization.
5457 (output_emit_prefix): Rewrite. Take prefixing rules into account.
5459 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
5461 * ifcvt.c (if_convert): Do not free NULL.
5463 2000-05-12 H.J. Lu (hjl@gnu.org)
5465 * gthr-dce.h: Add support for libobjc.
5466 * gthr-posix.h: Likewise.
5467 * gthr-solaris.h: Likewise.
5468 * gthr-vxworks.h: Likewise.
5469 * gthr-single.h: Likewise.
5470 * gthr-win32.h: Likewise.
5472 2000-05-12 Nick Clifton <nickc@cygnus.com>
5474 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
5475 to move a double word value.
5476 (di_operand): New function: Return true if the operand is suitbale
5477 for a double word move operation.
5478 (nonimmediate_di_operand): New function: Return true if the
5479 operand is a DImode register or MEM.
5481 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
5482 nonimmediate_di_operand.
5484 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
5485 nonimmediate_di_operand.
5487 * config/fr30/fr30.md (movdi): New pattern. Required because
5488 other patterns generate DImode results.
5489 (movdi_insn): New pattern.
5491 2000-05-12 Richard Henderson <rth@cygnus.com>
5493 * config/alpha/alpha.c (struct shadow_summary): Define
5494 bitfields as type unsigned int.
5496 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
5498 * config/avr/t-avr: Added definition of FLOAT while generates
5501 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
5502 peepholes for tst+jump = sbrs/sbrc optimization.
5504 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
5506 * expr.c (emit_push_insn): Do not adjust stack pointer when
5509 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
5511 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
5512 * system.h (offsetof): ... to here.
5514 2000-05-12 Richard Henderson <rth@cygnus.com>
5516 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
5517 * final.c (final_end_function): Use app_disable. Rearrange note
5518 handling into a switch. Emit deleted labels.
5519 (output_asm_label): Generate label strings for deleted labels.
5520 * flow.c (tail_recursion_label_list): New.
5521 (find_basic_blocks_1): Set label_value_list directly. Collect list
5522 of tail recursion labels from call_placeholders. Don't add deleted
5523 labels to the label value list.
5524 (cleanup_cfg): Use free_EXPR_LIST_list.
5525 (flow_delete_insn_chain): Turn non-removable labels into notes.
5526 (flow_delete_block): Don't disable deleting the block because of
5527 a non-removable label.
5528 (tail_recursion_label_p): New.
5529 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
5531 (merge_blocks_move_successor_nojumps): Likewise. Also move a
5533 (merge_blocks): Disable a merge because of tail recursion labels.
5534 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
5535 Use a more accurate measure of not merging the join block.
5536 (find_if_block): Don't disable conversion because of a label.
5537 (find_if_case_1, find_if_case_2): Likewise.
5538 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
5539 element when copying.
5540 (squeeze_notes): Also leave EH notes.
5541 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
5543 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
5545 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
5546 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
5547 referring to a deleted label. Convert tail handling to a switch.
5548 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
5549 for NOTE_INSN_DELETED_LABEL.
5550 (NOTE): Fix commentary.
5551 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
5552 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
5553 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
5554 (LABEL_NUSES, LABEL_REFS): Likewise.
5555 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
5557 2000-05-12 Bruce Korb <bkorb@gnu.org>
5559 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
5560 * fixinc/check.diff: updated
5561 * fixinc/inclhack.def: corrected & added some test_text-s
5562 * fixinc/genfixes: removed unneeded options to autogen invocation
5563 * fixinc/fixincl.tpl: Specified the output file
5564 * fixinc/fixfixes.c: visual appearance
5565 * fixinc/fixincl.x: regenerate
5567 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
5569 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
5570 CTRL_defn_fix): Delete.
5571 (fix_char_macro_defines, fix_char_macro_uses): Rename to
5572 char_macro_def_fix and char_macro_use_fix, respectively. Put
5573 them into the FIXUP_TABLE. Get the string to search for from
5576 (format_write): New function.
5577 (format_fix): Use it.
5579 (FIX_PROC_HEAD): Constify text parameter.
5580 (machine_name_fix): Constify all char *s.
5581 * fixtests.c (skip_quote): Remove double static.
5583 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
5584 ctrl_use_quotes): Update for new scheme.
5585 * fixincl.x: Regenerate.
5587 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
5589 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
5591 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
5592 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
5594 2000-05-11 Robert Lipe <robertlipe@usa.net>
5596 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
5597 * fixincl.x: Regenerate.
5599 2000-05-11 Richard Henderson <rth@cygnus.com>
5601 * calls.c: Revert both 05-09 patches.
5603 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
5605 * config/mn10300/mn10300.c (print_operand): Print FP constants in
5607 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
5610 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
5611 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
5613 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
5615 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
5617 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5619 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
5621 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
5623 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
5624 * config/avr/avr.c (jump_over_one_insn_p): New function.
5625 * config/avr/avr.md: New peepholes added. Output test and
5626 conditional jump to "sbrc" or "sbrs" command.
5628 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
5630 * cppmain.c (main): Use IS_DIR_SEPARATOR.
5632 2000-05-11 Jakub Jelinek <jakub@redhat.com>
5634 * except.c (find_exception_handler_labels_1): New function.
5635 (find_exception_handler_labels): Split into two functions, dive
5636 into CALL_PLACEHOLDERs when looking for exception handler labels.
5638 2000-05-11 Stan Cox <scox@cygnus.com>
5640 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
5641 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
5642 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
5644 2000-05-11 Bruce Korb <bkorb@gnu.org>
5646 * fixinc/fixfixes.c (double_slash_fix): obsolete
5647 (else_endif_label_fix): obsolete
5648 (format_fix): new, unused as yet
5650 * fixinc/fixlib.h: added fix description struct for use by format_fix
5651 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
5652 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
5653 modules. Removed the vestiges of the script version.
5654 Added support for "make check".
5655 * fixinc/check.diff: base diff file (needs work!!)
5656 * fixinc/check.tpl: quiet the fixup output
5657 * fixinc/fixtests.c (main): obsolete
5658 * fixinc/fixincl.sh: don't bother copying fixincl to ..
5659 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
5661 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
5663 * toplev.c (rest_of_compilation): Remove dead code after
5666 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
5668 * cpphash.c (collect_funlike_expansion): Make "# is not
5669 followed by a macro argument name" a pedwarn, not an error.
5670 Preserve the # in the output. Suppress the warning if lang_asm.
5672 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
5674 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
5675 * configure: Rebuilt.
5677 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
5679 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
5681 2000-05-10 Kazu Hirata <kazu@hxi.com>
5683 * combine.c (try_combine): Fix a typo.
5685 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
5687 * config/ia64/ia64.md (insv): Add comment.
5689 2000-05-10 Richard Henderson <rth@cygnus.com>
5691 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
5692 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
5693 dependancies on FPBIT and DPBIT.
5695 2000-05-10 Nick Clifton <nickc@redhat.com>
5697 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
5698 when optimising for size.
5699 (mark_used_regs:) Ditto.
5700 (try_pre_increment_1): Ditto.
5702 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
5704 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
5705 Make error message friendlier.
5707 * cpphash.h (struct hashnode): Use struct hack for name
5709 * cpphash.c (struct hashdummy): New.
5710 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
5711 (make_HASHNODE): No need to set ->name pointer. Correct
5713 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
5715 2000-05-10 Richard Henderson <rth@cygnus.com>
5717 * flow.c (find_basic_blocks_1): Remove any spare bb_note
5720 2000-05-10 Bruce Korb <bkorb@gnu.org>
5722 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
5724 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
5726 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
5727 after we enter .debug.
5729 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
5731 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
5732 abstract instance of a nested inline function.
5734 * stor-layout.c (finish_record_layout): finalize_type_size
5735 before laying out the pending_statics.
5737 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
5739 * cpplex.c (spell_token): New function.
5740 (spell_string, spell_comment, spell_name): fold into
5743 (E, H): Remove macros.
5744 (save_comment): Save comment opening characters too.
5745 (_cpp_lex_file): Update to use spell_token. Tidy up comment
5747 * cpplib.h (I, S): Add macros.
5748 (E, H): Remove macros.
5749 (TTYPE_TABLE): Update entries for new speller.
5750 (SYNTAX_ASSERT): Remove.
5752 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
5754 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
5755 when removing escaped newlines. Reverse sense of test for
5758 2000-05-09 Richard Henderson <rth@cygnus.com>
5760 * flow.c (find_basic_blocks_1): Do not delete the first
5761 bb_note we run across.
5762 (create_basic_block): Use reorder_insns to move an existing
5763 bb_note to the correct place.
5765 2000-05-09 Richard Henderson <rth@cygnus.com>
5767 * calls.c (expand_call): Increment currently_expanding_call
5768 before calling optimize_tail_recursion.
5770 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5772 * reload1.c (reload_combine): Fix errors in last change.
5774 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
5776 * gcc.c (used_arg): Skip over a semicolon at the end of the
5777 split-up loop; don't break out of it.
5779 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
5780 (tree.o): Depend on output.h.
5782 * c-decl.c (pending_invalid_xref_file,
5783 current_function_prototype_file): Constify.
5784 (pushdecl): Constify a local char *.
5785 (define_label): Constify filename parameter.
5786 * c-lex.c (init_parse): Constify parameter and return value.
5787 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
5788 * c-tree.h: Update prototypes.
5789 * c-parse.in: Constify filename member of %union, and if_stmt_file.
5790 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
5791 objc/objc-parse.c: Regenerate.
5793 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
5794 * dwarfout.h: Update prototypes.
5795 * expr.c (expand_expr): Constify a local char *.
5796 * flags.h: Constify main_input_filename.
5797 * function.c (expand_function_end): Constify filename parameter.
5798 * genrecog.c (make_insn_sequence): Use a character array for
5800 (main): Remove unused variables.
5801 * input.h: Constify input_filename, main_input_filename, and
5802 file_stack.name. Update prototypes.
5803 * output.h: Declare first_global_object_name and
5804 weak_global_object_name here, as const char *.
5805 * stmt.c (expand_asm_operands): Constify filename parameter.
5806 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
5807 Constify filename parameter.
5808 (input_filename, main_input_filename): Constify.
5809 * toplev.h: Update prototypes.
5810 * tree.c: Include output.h. Don't declare
5811 first_global_object_name or weak_global_object_name. Clean up string
5812 bashing in get_file_function_name_long.
5813 * tree.h (struct tree_decl): Constify filename member.
5814 (input_filename): Constify.
5816 * varasm.c (first_global_object_name, weak_global_object_name):
5818 (assemble_start_function, assemble_variable): Clean up string bashing.
5820 * gcc.c: Constify all spec-related strings initialized,
5821 transitively, from string constants. Constify all strings
5822 and string variables related to multilibs.
5823 (set_spec, read_specs): Cast argument to free to PTR.
5824 (used_arg): Do not modify multilib_matches. Use strncmp plus
5825 length comparison to compare multilib switches.
5826 * genmultilib: Constify everything declared in multilib.h.
5828 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
5830 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
5833 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
5835 * config/avr/avr-protos.h (extra_constraint): change a type of
5836 second argument from char to int to avoid warnings.
5837 (asm_output_byte): Likewise.
5839 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
5840 (initial_elimination_offset): Handle elimination from
5841 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
5842 (legitimate_address_p): Use MAX_LD_OFFSET.
5843 (legitimize_address): Likewise.
5844 (out_movqi_r_mr): Likewise.
5845 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
5846 (out_movsi_r_mr): Use MAX_LD_OFFSET.
5847 (out_movsi_mr_r): Likewise.
5848 (out_movqi_mr_r): Likewise.
5849 (out_movhi_mr_r): Likewise.
5850 (notice_update_cc): Correct CC for the ashrqi3 with the shift
5851 count as CONST_INT != 6.
5852 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
5853 shift count is a CONSTANT_P, but not a CONST_INT.
5854 (ashlhi3_out): Coding style modifications.
5855 (ashlsi3_out): Likewise.
5856 (ashrhi3_out): Likewise.
5857 (ashrsi3_out): Likewise.
5858 (lshrhi3_out): Likewise.
5859 (lshrsi3_out): Likewise.
5860 (ashrqi3_out): Generate shift for any known constant count without
5861 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
5862 but not a CONST_INT.
5863 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
5864 shift count is a CONSTANT_P, but not a CONST_INT.
5865 (extra_constraint): change a type of
5866 second argument from char to int to avoid warnings.
5867 (asm_output_byte): Likewise.
5868 (asm_file_end): Output size generated commands count as a hex
5871 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
5873 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
5875 (ashlqi3): Values of "length" attribute changed. Shift count
5876 uses constraints 'n' instead of 'i'.
5877 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
5878 shifts without clobber register.
5879 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
5880 (call_insn): Correct test for which_alternative == 1 (was 0).
5881 (call_value_insn): Likewise.
5883 * config/avr/t-avr: Remove definition of FLOAT while generates
5886 2000-05-09 Bruce Korb <bkorb@gnu.org>
5888 * fixinc/check.tpl: Template for checking fixes
5889 * fixinc/inclhack.def: Added 'test_text' for many fixes
5890 disable hpux8_bogus_inlines on SCO
5891 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
5893 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5895 * calls.c (expand_call): Reorganize somewhat in order
5896 to avoid unnecesary recalculation inside loop and make
5897 tail call failure code cleaner.
5899 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5901 * alias.c (nonlocal_reference_p): Minor reformatting.
5902 * reload.c (find_equiv_reg): Simplify logic for
5903 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
5904 some some reformatting.
5905 * reload1.c (reload_combine): Don't assume everything in
5906 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
5908 2000-05-08 Richard Henderson <rth@cygnus.com>
5910 * final.c (current_insn_predicate): New.
5911 (final_scan_insn): Set it.
5912 * output.h (current_insn_predicate): Declare.
5914 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
5915 Attach it to call insns.
5916 (cond_exec_process_if_block): Track probability for true and
5918 (dead_or_predicable): Likewise.
5920 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
5921 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
5922 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
5923 (estimate_probability, expected_value_to_br_prob): Use them.
5925 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
5926 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
5927 (ia64_expand_prediction): New.
5928 (emit_insn_group_barriers): Don't look at notes. Emit barriers
5929 as needed after calls.
5930 (ia64_epilogue_uses): Mark b0 used.
5931 * config/ia64/ia64.md (beq_true, beq_false): Remove.
5932 (bne_true, bne_false): Remove.
5933 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
5934 (br_true, br_false): New. Use predicate_operator and
5935 ia64_expand_prediction.
5936 (return_true, return_false): Likewise.
5937 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
5938 (call_internal1, call_value_internal): Likewise.
5939 (call_value_internal1, call_multiple_values_internal1): Likewise.
5941 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
5943 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
5945 2000-05-08 Richard Henderson <rth@cygnus.com>
5947 * rtlanal.c (may_trap_p): Consider old-style and volatile
5950 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
5952 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
5954 2000-05-08 Richard Henderson <rth@cygnus.com>
5956 * config/ia64/ia64.h (predicate_operator): Declare.
5958 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
5961 * gensupport.c (process_rtx): Copy and post-process each member
5962 of the define_insn rtvec individually.
5964 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
5966 * cpplex.c (spell_token): New function.
5967 (TOKEN_LEN): Add 1 for whitespace.
5968 (_cpp_lex_file): Update to use spell_token.
5969 * cpplib.h (E): Remove.
5970 (TTYPE_TABLE): Update CPP_VSPACE entry.
5972 2000-05-08 Richard Henderson <rth@cygnus.com>
5974 * flow.c (init_propagate_block_info): Watch out for conditional
5975 branch to next instruction, and thus one outgoing edge.
5977 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
5978 for global register variables; don't special case __[CD]TOR_LIST__;
5979 mind ggc_p for string allocation.
5981 2000-05-08 Nick Clifton <nickc@cygnus.com>
5983 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
5985 2000-05-08 Bruce Korb <bkorb@gnu.org>
5987 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
5988 i?86-*-msdosdjgpp* no longer uses fixincludes
5989 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
5990 * fixinc/inclhack.sh: deleted
5991 * fixinc/hackshell.tpl: deleted
5992 * fixinc/inclhack.tpl: deleted
5993 * fixinc/Makefile.in: Remove dependencies on above
5994 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
5996 2000-05-08 Andreas Jaeger <aj@suse.de>
5998 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
6001 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
6003 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
6006 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
6008 * cpplex.c: Move new lexer definitions and prototypes
6009 to top. Conditional include these and the code if
6010 NEW_LEXER is defined. Rename functions whose names
6011 clash if this code included.
6013 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
6015 * rtl.def (COND_EXEC): Clarify.
6017 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
6018 same fashion as zero_extendsidi2.
6020 2000-05-06 Richard Henderson <rth@cygnus.com>
6022 * config/ia64/ia64.c (predicate_operator): New.
6023 (ia64_print_operand): Handle 'J'.
6024 (rtx_needs_barrier): Handle COND_EXEC.
6025 * config/ia64/ia64.h (BRANCH_COST): Define.
6026 (PREDICATE_CODES): Update.
6027 * config/ia64/ia64.md: Docuement used unspec values.
6028 (attr predicable): New.
6029 (movxf, movxf_internal): New.
6030 (extendsfdf2): Don't comment out nop.
6031 (floatdidf2): Remove.
6032 (truncxfsf2, truncxfdf2, floatdixf2): New.
6033 (abssi2, absdi2): Put the neg in the "true" slot.
6034 (conditional branch instructions): Mark not predicable.
6035 (cmov*_internal): Use predicate_operator. Split to cond_exec.
6036 (abs*_internal): Likewise.
6037 (alloc, set_bsp): Mark not predicable.
6038 (barrier, insn_group_barrier, flush_cache): Likewise.
6039 (define_cond_exec): New.
6041 2000-05-06 Richard Henderson <rth@cygnus.com>
6043 * c-decl.c: Include "tm_p.h".
6045 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
6046 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
6047 (ia64_expand_op_and_fetch): Declare.
6048 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
6049 (setjmp_operand): Constify variables for XSTR.
6050 (ia64_encode_section_info): Likewise.
6051 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
6053 (ia64_asm_output_external): Constify name.
6054 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
6055 (process_for_unwind_directive): Provide switch default.
6056 (ia64_expand_compare_and_swap): Remove unused variables.
6057 (ia64_expand_builtin): Likewise.
6058 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
6061 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
6062 (symbolic_operand, function_operand, setjmp_operand): Likewise.
6063 (shift_count_operand, shift_32bit_count_operand): Likewise.
6064 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
6065 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
6066 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
6067 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
6068 (ia64_expand_builtin): Likewise.
6069 (call_multiple_values_operation): Make dest_regno unsigned.
6071 2000-05-06 Richard Henderson <rth@cygnus.com>
6073 * rtl.def (DEFINE_COND_EXEC): New.
6074 * md.texi: Document it.
6076 * gensupport.c (input_file): Remove.
6077 (struct queue_elem): Add lineno.
6078 (rtx_ready_queue): Remove.
6080 (predicable_default): New.
6081 (predicable_true, predicable_false): New.
6082 (define_attr_queue, define_attr_tail): New.
6083 (define_insn_queue, define_insn_tail): New.
6084 (define_cond_exec_queue, define_cond_exec_tail): New.
6085 (other_queue, other_tail): New.
6086 (queue_pattern): New.
6087 (process_rtx): Add patterns to the appropriate queues.
6088 (is_predicable, identify_predicable_attribute): New.
6089 (n_alternatives, collect_insn_data): New.
6090 (alter_predicate_for_insn, alter_test_for_insn): New.
6091 (shift_output_template, alter_output_for_insn): New.
6092 (process_one_cond_exec, process_define_cond_exec): New.
6093 (init_md_reader): Read the entire file. Process define_cond_exec.
6094 (read_md_rtx): Return elements from the queues.
6096 2000-05-06 Richard Henderson <rth@cygnus.com>
6098 * flow.c (mark_set_1): Don't update conditional life info
6099 if the register is not_dead.
6101 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
6103 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
6104 (mostlyclean): Also delete fixincl, fixinc.sh, and
6105 specs.ready, and make clean in the fixinc subdir.
6107 2000-05-06 Richard Henderson <rth@cygnus.com>
6109 * Makefile.in (gensupport.o): Compile for the host.
6110 (host-prefix gensuuprt.o): Remove.
6111 (genflags.o): Depend on gensupport.h and OBSTACK_H.
6112 (genattrtab.o): Likewise.
6113 (gencodes.o): Depend on gensupport.h.
6114 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
6115 (genpeep.o, genattr.o, genoutput.o): Likewise.
6117 * gensupport.c (obstack, rtl_obstack): New.
6118 (init_md_reader): Initialize rtl_obstack.
6119 * gensupport.h (rtl_obstack): Declare.
6120 (message_with_line): Declare.
6122 * genattr.c: Remove all traces of obstack manipulation.
6123 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
6124 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
6126 * genattrtab.c (obstack, rtl_obstack): Remove.
6127 (main): Don't init rtl_obstack.
6128 * genflags.c: Likewise.
6130 * genrecog.c (message_with_line): Move ...
6131 * gensupport.c: ... here.
6133 2000-05-06 Richard Henderson <rth@cygnus.com>
6135 * c-typeck.c (build_c_cast): Remove dead code.
6137 2000-05-06 Richard Henderson <rth@cygnus.com>
6139 * flow.c (split_edge): Don't allocate global_live_at_start for
6140 the new block unless the old blocks had them as well.
6142 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
6144 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
6145 test_bb if a or b uses x.
6147 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
6149 * cpphash.h: Remove conditional #define of __extension__.
6150 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
6151 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
6152 (ENABLE_RTL_CHECKING only).
6153 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
6154 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
6155 (ENABLE_TREE_CHECKING only).
6156 * varray.h: Add __extension__ to VARRAY_CHECK macro
6157 (ENABLE_CHECKING only).
6159 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
6161 Use new tail-calling mechanism on ARM.
6162 * arm.md (sibcall, sibcall_value): New expands.
6163 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
6164 (tailcalling peepholes): Delete.
6165 (push_multi): Simplify.
6166 * arm.c (lr_save_eliminated): Delete definition.
6167 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
6168 (output_return_instruction): Remove checks on lr_save_eliminated.
6169 (output_arm_prologue): Remove old tail-calling code.
6170 (arm_output_epilogue): New parameter, really_return. All callers
6171 changed. Handle tail-calling epilogues.
6172 * arm.h (lr_save_eliminated): Delete declaration.
6173 (frame_pointer_needed): Delete declaration.
6174 * arm-protos.h (arm_output_epilogue): Adjust prototype.
6176 * arm.md (is_thumb): Examine symbol thumb_code, not expression
6178 * arm.c (thumb_code): Define it.
6179 (arm_override_options): Set it.
6180 * arm.h (thumb_code): Declare it.
6182 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
6184 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
6186 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
6188 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
6189 bogus clobber to insns.
6190 (load_multiple_operation, store_mulitple_operation): Don't check
6192 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
6194 * arm.md (and_scc, ior_scc): Add missing mode.
6196 * arm.md (call_value_symbol): Remove predicate from op2.
6198 * arm.h (SPECIAL_MODE_PREDICATES): Define.
6200 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6202 * expr.c (get_subtarget): New function.
6203 (force_operand, expand_expr, do_store_flag): Use it.
6205 * toplev.c (compile_file): Don't take strlen of NAME if null.
6207 2000-05-06 David Edelsohn <edelsohn@gnu.org>
6209 * xcoffout.c (xcoff_current_include_file,
6210 xcoff_current_function_file, xcoff_lastfile): Constify char *.
6211 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
6213 (xcoffout_declare_function): Make name 'const char *'.
6214 (xcoffout_end_epilogue): Make fname 'const char *'
6215 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
6216 xcoffout_declare_function, xcoffout_source_line): Match above.
6218 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
6220 * rs6000.c (print_operand): Fix lossage typo.
6221 (output_cbranch): Remove "cr" decoration for now.
6222 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
6224 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
6226 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
6229 2000-05-05 Bruce Korb <bkorb@gnu.org>
6231 * fixinc/genfixes: Improve the matching for make target names
6233 2000-05-05 Catherine Moore <clm@cygnus.com>
6235 * c-common.c (decl_attributes): For TYPE_DECLs attach the
6236 attribute to the decl.
6237 * c-decl.c (pushdecl): Propagate the USED attribute to the
6240 2000-05-05 Richard Henderson <rth@cygnus.com>
6242 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
6243 same way emit_group_load does.
6245 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
6247 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
6249 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
6252 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
6254 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
6256 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
6258 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
6259 to support -shared, on platforms with dynamic libraries.
6261 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
6263 * system.h (S_ISBLK): Provide fallback definition.
6265 2000-05-05 Geoff Berry <geoffb@bops.com>
6267 * extend.texi (Extended Asm): Document inability to give asm
6268 statements access to condition codes.
6270 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
6272 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
6273 as arg 2 of UNIQUE_SECTION.
6275 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
6277 * predict.c: Remove May 4 change.
6278 * bb-reorder.c (make_reorder_chain): Do not perform block movement
6279 if we have predicted the branch at 50-50 probability.
6281 2000-05-05 Richard Henderson <rth@cygnus.com>
6283 * flow.c (init_propagate_block_info): Fix merge error
6284 in HAVE_conditional_execution code.
6286 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
6288 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
6289 shift cycle for unknown shift count. Also generates dec + brpl.
6290 (ashlqi3_out): Don't generate dec + brpl which now generates by
6291 `out_shift_with_cnt'.
6292 (ashlhi3_out): Likewise.
6293 (ashlsi3_out): Likewise.
6294 (ashrqi3_out): Likewise.
6295 (ashrhi3_out): Likewise.
6296 (ashrsi3_out): Likewise.
6297 (lshrqi3_out): Likewise.
6298 (lshrhi3_out): Likewise.
6299 (lshrsi3_out): Likewise.
6301 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
6303 * gcc.c (free_split_directories): Correct typo in explanation
6304 of make_relative_prefix.
6306 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6308 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
6309 comparison codes to branch_comparison_operator.
6311 2000-05-04 Richard Henderson <rth@cygnus.com>
6313 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
6315 2000-05-04 Richard Henderson <rth@cygnus.com>
6317 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
6318 (DPBIT_FUNCS): Remove _sf_to_usi.
6319 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
6321 * ifcvt.c (noce_process_if_block): Fail if A or B modified
6322 between condition and jump.
6324 * libgcc2.c (near eh_context_specific): Comment #endif string.
6325 * longlong.h: Don't use strings with embedded newlines.
6327 2000-05-04 Geoff Keating <geoffk@cygnus.com>
6329 * config/rs6000/rs6000-protos.h: Add output_cbranch.
6330 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
6331 (print_operand): Delete %t and %T codes.
6332 (output_cbranch): New function. Support branch prediction.
6333 * config/rs6000/rs6000.md: Use output_cbranch for
6334 conditional branches and returns.
6336 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
6338 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
6339 * stor-layout.c (place_field): Likewise.
6340 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
6341 * expr.c (store_expr): Make align unsigned.
6342 * explow.c (plus_constant_wide): Make low words unsigned.
6343 * expmed.c (choose_multiplier): Likewise.
6344 * fold-const.c (fold): Likewise.
6345 * tree.h (build_int_2): Likewise.
6346 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
6347 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
6348 (init_emit): Change cast to unsigned char*.
6349 * varasm.c (compare_constant_1): Add cast to char*.
6350 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
6351 * reload1.c (reload): Likewise.
6353 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
6355 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
6357 * predict.c (estimate_probability): If no prediction was found, then
6358 predict the successor that is the next physical block (if such a
6361 2000-05-04 Richard Henderson <rth@cygnus.com>
6363 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
6365 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
6369 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
6371 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
6372 attribute macros from here ...
6373 (CPP_SPEC): to here.
6374 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
6375 (CPP_SPEC): Likewise.
6376 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
6378 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
6379 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
6381 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6383 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
6385 * diagnostic (vbuild_message_string, build_message_string,
6386 build_location_prefix, output_get_prefix, init_output_buffer,
6387 output_notice, vline_wrapper_message_with_location,
6388 v_message_with_decl, default_print_error_function): De-constify.
6389 (set_real_maximum_length): Prototype.
6391 * diagnostic.h (struct output_buffer, init_output_buffer,
6392 output_get_prefix, output_set_prefix): De-constify.
6394 * function.c (init_function_start): Constify.
6396 * gensupport.c (remove_constraints, process_rtx): Prototype.
6398 * gthr-posix.h: Indent uses of #pragma.
6400 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
6403 * predict.c (find_expected_value): Delete prototype.
6404 (expected_value_to_br_prob): Initialize variable `ev_reg'.
6406 * sbitmap.h (debug_sbitmap): Prototype.
6408 * ssa.c (compute_coalesced_reg_partition): Prototype.
6410 * stor-layout.c (debug_rli): Prototype.
6412 * tree.h (round_down): Prototype.
6413 (init_function_start): Constify.
6415 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
6417 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
6418 (overly conservative). Change extern inline wrappers to
6419 static inline, define them always, use PARAMS properly.
6420 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
6421 whitespace warnings for \f and \v at the beginning of a line.
6423 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
6425 * haifa-sched.c (schedule_insns): Free the flow edge list when it
6428 2000-05-04 Bruce Korb <bkorb@gnu.org>
6430 * fixincl/inclhack.def: added broken_cabs -
6431 Remove `extern double cabs' declarations from math.h
6432 * fixincl/inclhack.sh: regen
6433 * fixincl/fixincl.x: regen
6434 * fixincl/fixincl.c: Remove BOGOSITY code
6435 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
6437 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6439 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
6441 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
6442 when calling MEM_COPY_ATTRIBUTES.
6443 * emit-rtl.c (operand_subword, change_address): Likewise.
6444 * explow.c (stabilize): Likewise.
6445 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
6446 * integrate.c (copy_rtx_and_substitute): Likewise.
6447 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
6448 when calling MEM_COPY_ATTRIBUTES.
6449 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
6451 * cse.c (gen_lowpart_if_possible): Likewise.
6452 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
6453 * optabs.c (gen_move_insn): Likewise.
6454 * recog.c (validate_replace_rtx_1): Likewise.
6455 * simplify-rtx.c (add_mem_for_addr): Likewise.
6456 * stmt.c (expand_anon_union_decl): Likewise.
6457 * config/arm/arm.md: Likewise.
6458 * config/h8300/h7300.c (fix_bit_operand): Likewise.
6459 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
6460 (block_move_no_loop, block_move_sequence): Likewise.
6461 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
6462 * config/alpha/alpha.c (get_aligned_mem): Likewise.
6463 Clear MEM_ALIAS_SET.
6464 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
6465 MEM_COPY_ATTRIBUTES.
6467 2000-05-03 Robert Lipe <robertlipe@usa.net>
6469 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
6470 to suppress libgcc1.
6471 (i[34567]86-*-sco3.2v5*) Likewise.
6472 (i[34567]86-*-sco3.2v4*) Likewise.
6473 (i[34567]86-*-sco) Likewise.
6474 (i[34567]86-*-solaris2) Likewise.
6475 (i[34567]86-*-sysv5*) Likewise.
6476 (i[34567]86-*-sysv4*) Likewise.
6477 (i[34567]86-*-udk*) Likewise.
6478 (i[34567]86-*-sysv*) Likewise.
6480 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6482 * cpphash.h (U): New define, to correct type of string constants.
6483 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
6484 routines, to do casts when passing unsigned strings to libc.
6485 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
6487 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
6488 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
6489 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
6490 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
6491 second argument an U_CHAR *.
6493 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
6494 length field, clean up initializer.
6495 (ISTABLE): Add __extension__ to designated-
6496 initializers version.
6497 * cpplex.c (CHARTAB): Likewise.
6499 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
6500 case so the file won't be empty.
6502 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
6504 * bb-reorder.c (struct reorder_block_def): Member succ removed.
6505 (REORDER_BLOCK_SUCC): Removed.
6506 (enum reorder_skip_type): Removed.
6507 (skip_insns_between_block): Renamed to skip_insns_after_block.
6508 Removed second argument. Removed dead code and cleaned up.
6509 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
6510 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
6511 second parameter to skip_insns_after_block.
6513 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6515 * tree.c (staticp, case LABEL_DECL): New case.
6517 2000-05-03 Richard Henderson <rth@cygnus.com>
6519 * Makefile.in (start.encap): Do not depend on LIBGCC1.
6521 * mklibgcc1.in: Fix typo last change.
6523 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6525 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
6526 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
6527 (GCC_CFLAGS): Use it.
6528 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
6529 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
6530 objc/Make-lang.in: Use it.
6532 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
6534 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
6536 2000-05-03 Richard Henderson <rth@cygnus.com>
6538 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
6539 LIBGCC1 empty with libgcc1.null.
6541 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
6543 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
6546 2000-05-03 Greg McGary <gkm@gnu.org>
6548 * tree.h (tree_common): Add bounded_flag member. Remove
6549 inaccurate comment about number of remaining bits.
6550 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
6551 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
6552 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
6553 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
6554 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
6555 (TYPE_QUAL_BOUNDED): New constant.
6556 (TYPE_QUALS): Handle bounded qualifier.
6557 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
6558 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
6559 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
6560 TYPE_AMBIENT_BOUNDEDNESS): New macros.
6561 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
6562 (tree_type): Add pointer_depth member. Remove
6563 inaccurate comment about number of remaining bits.
6564 (DECL_POINTER_DEPTH): Add macro.
6565 (tree_decl): Add pointer_depth member.
6567 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
6569 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
6570 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
6571 (lshrhi3_out): Likewise.
6572 (ashrsi3_out): bugfix in shift by 8.
6573 (test_hard_reg_class): New function.
6574 * config/avr/avr.md: Bugfix inside conditions in peepholes.
6575 (ashlhi3): removed define_expand of this pattern.
6576 (*ashlhi3_insn): renamed to ashlhi3.
6577 (ashlsi3): removed define_expand of this pattern.
6578 (*ashlsi3_insn): renamed to ashlsi3.
6579 (ashrqi3): removed define_expand of this pattern.
6580 (*ashrqi3_insn): renamed to ashrqi3.
6581 (ashrhi3): removed define_expand of this pattern.
6582 (*ashrhi3_insn): renamed to ashrhi3.
6583 (ashrsi3): removed define_expand of this pattern.
6584 (*ashrsi3_insn): renamed to ashrsi3.
6585 (lshrhi3): removed define_expand of this pattern.
6586 (*lshrhi3_insn): renamed to lshrhi3.
6587 (lshrsi3): removed define_expand of this pattern.
6588 (*lshrsi3_insn): renamed to lshrsi3.
6590 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
6592 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
6593 inclusion of "system.h".
6595 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
6597 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
6600 2000-05-03 David Mosberger <davidm@hpl.hp.com>
6602 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
6603 if -mauto-pic is on.
6604 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
6605 -mconstant-gp is in effect and function-descriptors are being used
6606 to make indirect calls.
6607 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
6608 (MASK_AUTO_PIC): Ditto.
6609 (TARGET_CONST_GP): Ditto.
6610 (TARGET_AUTO_PIC): Ditto.
6611 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
6612 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
6613 -mno-pic is in effect.
6614 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
6615 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
6616 -mauto-pic is in effect.
6617 (gprel64_offset): New pattern.
6618 (load_gprel64): Ditto.
6619 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
6620 -mconstant-gp is in effect, no need to preserve gp around direct
6622 (call_value): Ditto.
6623 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
6624 (FUNCTION_PROFILER): Define.
6625 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
6626 @fptr() directive when -mno-pic or -mauto-pic is in effect.
6627 (ASM_OUTPUT_DESTRUCTOR): Ditto.
6629 2000-05-03 Richard Henderson <rth@cygnus.com>
6631 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
6632 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
6633 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
6634 (mklibgcc, libgcc.mk): New targets.
6635 (libgcc.a): Use libgcc.mk.
6636 (stmp-multilib): Likewise.
6637 (stmp-multilib-sub): Remove.
6638 (mostlyclean): Don't delete libgcc2 temp files.
6639 * configure.in (AC_PROG_CC_C_O): Add.
6640 (NO_MINUS_C_MINUS_O): Substitute it.
6641 (all_outputs): Add mklibgcc.
6642 * mklibgcc.in: New file.
6644 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
6646 * cppexp.c (op_t): Make an int.
6648 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
6650 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
6652 * gensupport.c (process_rtx): Fix macros used.
6654 2000-05-03 Richard Henderson <rth@cygnus.com>
6656 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
6657 call-clobbered registers of a call.
6659 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
6661 * gensupport.c: New file.
6662 * gensupport.h: New file.
6663 * Makefile.in (HOST_RTL): Depend on gensupport.
6664 (gensupport.o) New rule.
6665 * genattr.c: Use gensupport for reading .md files.
6666 * genattrtab.c: Ditto.
6667 * gencodes.c: Ditto.
6668 * genconfig.c: Ditto.
6670 * genextract.c: Ditto.
6671 * genflags.c: Ditto.
6672 * genopinit.c: Ditto.
6673 * genoutput.c: Ditto.
6675 * genrecog.c: Ditto.
6676 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
6677 * md.texi (Insn Splitting): Document define_insn_and_split.
6679 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
6681 * flow.c (verify_flow_info): Added two more sanity checks. The
6682 first checks that the blocks are numbered consecutively. The second
6683 checks that n_basic_blocks is actually equal to the number of
6684 basic blocks in the insn chain.
6686 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
6688 * cpplib.h: Add accessor macros for token lists.
6689 * cpplib.c, cpphash.c, cpplex.c: Use them.
6691 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6693 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
6694 memory usage if not in a function.
6695 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
6696 return address if static.
6698 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
6700 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
6701 whether address may trap.
6703 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
6705 * bb-reorder (chain_reorder_blocks): Changed code to test for
6706 EDGE_FALLTHRU rather than making erroneous assumption that the
6707 first outgoing edge is the fall-through edge.
6709 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
6711 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
6712 ABI for varargs, across all MIPS. This is incompatible because the
6713 va_list (__builtin_va_list) structure is different, so a compilation
6714 unit passing a va_list and a compilation unit being passed one, should
6715 both be compiled with the same ABI. (The old structure had two
6716 pointers, now it has three.)
6718 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
6720 * bb-reorder.c (struct reorder_block_def): Remove members end,
6721 block_begin, and block_end.
6722 (REORDER_BLOCK_OLD_END): Delete.
6723 (REORDER_BLOCK_BEGIN): Delete.
6724 (REORDER_BLOCK_END): Delete.
6725 (chain_reorder_blocks): Remove dead code.
6727 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
6729 * bb-reorder.c (remove_scope_notes): Check for both types of scope
6730 notes as the end of a basic block before deleting.
6732 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
6734 * final.c (final_start_function): Fix spelling of "necessary".
6736 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
6738 * toplev.c (debug_ignore_block): Return int.
6739 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
6740 * toplev.h, dwarf2out.h: Adjust.
6741 * emit-rtl.c (remove_unnecessary_notes): Test return value.
6743 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
6744 * toplev.c, final.c, rtl.h: Adjust.
6746 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6748 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
6749 * configure.in: Look for makeinfo in the unified tree, then
6750 for a system makeinfo which is sufficiently new.
6751 * Makefile.in: If configure says makeinfo is too old, don't
6752 build or install Info documentation.
6754 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6756 * cpphash.c (collect_params): Fix off-by-one error.
6757 (dump_hash_helper): Dump all four macro nodetypes.
6759 2000-05-02 Jakub Jelinek <jakub@redhat.com>
6761 * cpphash.c (trad_stringify): Adjust p after stringification as
6764 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
6766 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
6767 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
6769 * cppfiles.c (file_cleanup): Delete.
6770 * cpphash.c (macro_cleanup): Delete.
6771 (collect_objlike_expansion, collect_funlike_expansion,
6772 macarg, scan_arguments): Remove CPP_POP case.
6774 * cpplex.c (null_cleanup): Delete.
6775 (cpp_pop_buffer): Do the work that was done in the cleanups
6776 here. Call _cpp_unwind_if_stack from here.
6777 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
6778 cpp_scan_buffer): Run until we see CPP_EOF and the top of
6779 stack is the buffer _below_ the one we stacked.
6780 (cpp_get_token): Always pop an exhausted buffer. Return
6781 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
6782 * cpplib.c (skip_if_group): Don't call cpp_get_token to
6783 increment the line number.
6784 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
6786 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
6787 we see CPP_EOF and the top of stack is the buffer _below_ the
6789 * scan-decls.c: Likewise.
6791 2000-05-02 Andrew Haley <aph@cygnus.com>
6793 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
6794 where this function is called for the second time on a decl that
6795 has had its section info changed in such a way as to move it out
6797 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
6799 2000-05-01 Richard Henderson <rth@cygnus.com>
6801 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
6802 the sequence we're moving, not to merge_bb->head.
6804 2000-05-01 Richard Henderson <rth@cygnus.com>
6806 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
6807 reference to alpha/t-linux.
6808 (alpha*-*-linux-gnu*): Likewise.
6809 * configure: Rebuild.
6811 * calls.c (expand_call): Don't emit reg notes for a sibcall.
6813 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
6816 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
6818 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
6820 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
6823 2000-05-01 Richard Henderson <rth@cygnus.com>
6825 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
6826 emit_conditional_move.
6828 2000-05-01 Jakub Jelinek <jakub@redhat.com>
6830 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
6831 as the dynamic linker.
6833 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
6835 * cppfiles.c (open_include_file): Open file in blocking mode.
6836 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
6837 Only exclude block devices and directories.
6839 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
6840 static. Allocate the hashnode and its string in the same
6842 (del_HASHNODE): Don't free h->name.
6843 (_cpp_lookup): If there is no entry for this string, create
6844 one, of type T_VOID.
6845 (_cpp_lookup_slot): Delete.
6846 * cpphash.h: Update prototypes.
6848 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
6850 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
6851 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
6852 node here, just fill in the value field properly. "Delete"
6853 entries by setting the value field to T_VOID. Check for
6854 hp->type == T_VOID, not hp == NULL.
6856 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
6857 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
6860 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
6862 * config/mn10300/mn10300.c (print_operand_address): Do not add
6865 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
6866 adjusted by less than 256 bytes, use ret regardless of having any
6867 callee-saved register to restore.
6869 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
6871 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
6873 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
6875 * config/i386/djgpp.h (INT_ASM_OP): Define.
6876 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
6877 (ASM_WEAKEN_LABEL): Define.
6878 (MASK_BNU210): Define.
6879 (SUBTARGET_SWITCHES): Define.
6880 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
6881 (MAKE_DECL_ONE_ONLY): Define.
6882 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
6884 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
6886 * i386/cygwin.h (INT_ASM_OP): Define.
6888 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
6890 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
6891 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
6893 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
6895 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
6896 __tmp_reg__ and __zero_reg__ initialization.
6898 2000-04-30 Richard Henderson <rth@cygnus.com>
6900 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
6902 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
6903 referenced bewteen the condition and the jump. Don't delete
6904 anything but the jump.
6906 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
6908 * bb-reorder.c (scope_def): New struct.
6909 (scope_forest_info): New struct.
6910 (struct reorder_block_def): New member "scope".
6911 (REORDER_BLOCK_SCOPE): New macro.
6912 (relate_bbs_with_scopes): New function and prototype.
6913 (make_new_scope): Likewise.
6914 (build_scope_forest): Likewise.
6915 (remove_scope_notes): Likewise.
6916 (insert_intra_1): Likewise.
6917 (insert_intra_bb_scope_notes): Likewise.
6918 (insert_inter_bb_scope_notes): Likewise.
6919 (rebuild_scope_notes): Likewise.
6920 (free_scope_forest_1): Likewise.
6921 (free_scope_forest): Likewise.
6922 (dump_scope_forest): Likewise.
6923 (dump_scope_forest_1): Likewise.
6924 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
6925 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
6927 (reorder_basic_blocks): Added calls to build_scope_scope_forest
6928 and remove_scope_notes before reordering is done. Added calls to
6929 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
6930 after reordering is done.
6932 2000-40-30 Bruce Korb <bkorb@gnu.org>
6934 * fixinc/inclhack.def: Added definitions needed by OSR5,
6935 removed two stale entries (defined away with OLD_CPP).
6936 * fixinc/inclhack.sh: regen
6937 * fixinc/fixincl.x: regen
6939 2000-04-30 Richard Henderson <rth@cygnus.com>
6941 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
6942 from the last insn in the sequence.
6944 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
6946 * cpplex.c (cpp_idcmp): New function.
6947 * cpplib.h: Prototype it.
6948 * scan_decls.c (scan_decls): Use it to inspect token names.
6949 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
6950 the file being run through the preprocessor.
6951 (check_macro_names): Provide length of token to cpp_defined.
6953 * Makefile.in: Remove stale warning message.
6955 * cppfiles.c (redundant_include_p): Provide length of token to
6957 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
6958 values are unsigned int.
6959 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
6960 (_cpp_lookup_slot): Do not calculate the hash, either.
6961 * cpphash.h: Update prototypes.
6962 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
6963 Hashes are unsigned int. Calculate hash here, pass by value
6964 to _cpp_lookup_slot.
6966 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
6968 * simplify-rtx.c (check_value_useless): Delete function.
6969 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
6971 (cselib_invalidate_regno): Likewise.
6972 (cselib_invalidate_mem_1): Likewise.
6973 (references_value_p): Recognize useless values by the fact that they
6975 (discard_useless_values): Likewise.
6976 (cselib_record_set): This may turn a useless value
6979 2000-04-30 Richard Henderson <rth@cygnus.com>
6981 * config/d30v: New port.
6983 * configure.in (d30v-*): Set fp format.
6984 * configure: Rebuild.
6986 2000-04-30 Richard Henderson <rth@cygnus.com>
6988 * ifcvt.c: New file.
6989 * Makefile.in (OBJS): Add it.
6990 (ifcvt.o): New target.
6991 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
6992 and conditional arithmetic.
6993 (find_insert_position): Remove.
6994 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
6995 * toplev.c (DFI_ce, DFI_ce2): New.
6996 (dump_file): Add ce and ce2 dumps.
6997 (rest_of_compilation): Run if_convert a couple o times. Set
6998 cse_not_expected after cse2. Don't set no_new_pseudos until
6999 after sched1 or recompute_reg_usage.
7001 2000-04-30 Richard Henderson <rth@cygnus.com>
7003 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
7004 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
7006 2000-04-30 Richard Henderson <rth@cygnus.com>
7008 * flow.c (struct reg_cond_life_info): New.
7009 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
7010 (init_propagate_block_info): Initialize them.
7011 (free_propagate_block_info): Destruct them.
7012 (mark_set_1): Consider conditional life before killing a register.
7013 (mark_regno_cond_dead): New.
7014 (free_reg_cond_life_info): New.
7015 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
7016 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
7017 (mark_used_reg): Record conditional life.
7019 * haifa-sched.c (schedule_insns): Disable death counting
7020 sanity check for HAVE_conditional_execution.
7022 2000-04-30 Richard Henderson <rth@cygnus.com>
7024 * Makefile.in (TIMEVAR_H): New.
7025 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
7026 (timevar.h): Remove rule.
7028 2000-04-29 Richard Henderson <rth@cygnus.com>
7030 * config/alpha/crtend.asm: Use C comments instead of #.
7031 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
7033 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
7035 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
7037 * cpphash.h (enum node_type: Take out T_MCONST.
7038 (union hashval): Move into struct hashnode.
7039 (struct hashnode): Pack tighter. Remove file, line, col
7041 * cpphash.c: Constify most of the macro-definition structures.
7042 (struct definition): Replace by struct object_defn
7043 and struct funct_defn. Put file, line, column information
7044 here. All users updated to match.
7045 (_cpp_create_definition, _cpp_macroexpand): Remove special
7046 case for #define WORD OTHERWORD.
7047 * cpplib.c (do_undef): Remove T_MCONST case.
7049 * cpphash.h: Move struct reflist, struct definition, and the
7050 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
7051 union hashval. _cpp_free_definition takes a HASHNODE pointer.
7052 * cpphash.c (_cpp_free_definition): Free data pointed to by
7053 MCONST, XCONST, MACRO, and FMACRO nodes properly.
7054 (_cpp_create_definition, del_HASHNODE): Just call
7055 _cpp_free_definition to clear out a hashnode.
7056 * cpplib.c (do_pragma_poison): Likewise.
7058 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7060 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
7061 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
7062 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
7063 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
7064 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
7065 REGNO_AM33_P): Redefine in terms of the new macros.
7066 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
7067 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
7068 STRUCT_VALUE): Likewise.
7069 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
7070 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
7072 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
7074 * regmove.c (struct record_stack_memrefs_data): New.
7075 (record_stack_memrefs): New function.
7076 (combine_stack_adjustments_for_block): Use it.
7078 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
7080 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
7081 use special_function_p to detect alloca.
7083 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
7085 * gcc.texi: Fixes for makeinfo 4.0 --html.
7087 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
7089 * pcp.h: Delete file.
7091 2000-04-28 Kazu Hirata <kazu@hxi.com>
7093 * h8300.c (function_epilogue): Clean up flags when the last insn
7094 in a function is a barrier.
7096 2000-04-28 Chris Demetriou <cgd@sibyte.com>
7098 * configure.in (sparc-hal-solaris2*): protect [] glob from
7100 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
7101 rather than hard-coded constants in target_cpu_default2.
7102 * configure: Regenerate.
7104 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
7106 * tree.c (get_callee_fndecl): Extract the initial value from
7109 2000-04-28 Richard Henderson <rth@cygnus.com>
7111 * varasm.c (record_constant_1): Record the CODE_LABEL when
7112 taking the address of a LABEL_REF.
7114 2000-04-28 Richard Henderson <rth@cygnus.com>
7115 Jan Hubicka <jh@suse.cz>
7117 * calls.c (combine_pending_stack_adjustment_and_call): Return the
7118 adjustment; don't do the stack adjust.
7119 (expand_call): Call compute_argument_block_size right before
7120 allocating the block; update comment; don't do alignment sanity
7121 checking for sibling call; use args_size instead of
7122 unadjusted_args_size before args_size is adjusted. Use
7123 combine_pending_stack_adjustment_and_call to compute stack adjust
7124 for must_preallocate case.
7126 * expr.c (push_block): Remove shadow `temp' in inner scope.
7128 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
7130 * toplev.c (rest_of_compilation): Call
7131 note_deferral_of_defined_inline_function even if the function
7134 2000-04-28 Scott Bambrough <scottb@netwinder.org>
7136 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
7138 2000-04-28 Richard Henderson <rth@cygnus.com>
7140 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
7142 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7144 * timevar.c (init_timevar): DeANSIfy function definition.
7146 2000-04-27 Alex Samuel <samuel@codesourcery.com>
7148 * Makefile.in (timevar.o): Depend on flags.h.
7149 * timevar.c (unused_stack_instances): New variable.
7150 (timevar_push): Take a timevar_stack_def from
7151 unused_stack_instances if available.
7152 (timevar_pop): Push the popped timevar_stack_def onto
7153 unused_stack_instances.
7154 (TIMEVAR_ENABLE): New macro.
7155 (timevar_def): Make standalone a 1-bit field. Add field used.
7156 (get_time): Rename parameter to now. Return after clearing it if
7158 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
7159 (timevar_pop): Likewise.
7160 (timevar_stop): Likewise.
7161 (timevar_push): Likewise. Mark the timing variable as used.
7162 (timevar_start): Likewise.
7163 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
7164 timevars that were never used.
7166 2000-04-27 Mark Mitchell <mark@codesourcery.com>
7168 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
7169 always TREE_READONLY.
7171 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
7173 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
7174 for call instruction with mode QImode.
7176 2000-04-27 Alex Samuel <samuel@codesourcery.com>
7178 * Makefile.in (OBJS): Add timevar.o.
7179 (toplev.o): Depend on timevar.h.
7180 (ggc-simple.o): Likewise.
7181 (ggc-page.o): Likewise.
7182 (timevar.o): New rule.
7183 (timevar.h): New rule.
7185 * timevar.h: New file.
7186 * timevar.c: Likewise.
7187 * timevar.def: Likewise.
7189 * toplev.h (gc_time, parse_time, varconst_time): Remove.
7190 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
7192 (TIMEVAR): Remove macro.
7193 (gc_time, parse_time, varconst_time, integration_time, jump_time,
7194 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
7195 flow_time, combine_time, regmove_time, sched_time,
7196 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
7197 sched2_time, dbr_sched_time, reorder_blocks_time,
7198 rename_registers_time, shorten_branch_time, stack_reg_time,
7199 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
7201 (compile_file): Don't initialize time variables. Call
7202 init_timevar and start TV_TOTAL timer. Call timevar_print instead
7203 of many calls to print_time.
7204 (rest_of_compilation): Add timing for reload_cse_regs.
7205 (get_run_time): Removed to timevar.c.
7206 (print_time): Likewise.
7207 (get_run_time): Implement using TV_TOTAL time variable.
7208 (print_time): Get total run time from get_run_time.
7209 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
7210 computing elapsed time explicitly.
7211 * ggc-simple.c (ggc_collect): Likewise.
7212 (gc_time): Remove declaration.
7214 2000-04-27 Mark Mitchell <mark@codesourcery.com>
7216 * calls.c (combine_pending_stack_adjustment_and_call): New function.
7217 (expand_call): Use it.
7219 2000-04-27 Jan Hubicka <jh@suse.cz>
7221 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
7224 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7226 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
7229 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
7231 * function.c (epilogue_done): Pass whole insn to record_insns.
7233 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
7235 * cse.c (CSE_ADDRESS_COST): Remove.
7236 (find_best_addr): Add new parameter "MODE", use address_cost instead
7238 (address_cost): New.
7239 (fold_rtx): Update call of find_best_addr.
7240 * rtl.h (address_cost): Declare.
7241 * loop.c (general_induction_var): Add new parameter "MODE", use
7242 address_cost instead of ADDRESS_COST
7243 (init_loop): Use address_cost instead of ADDRESS_COST.
7244 (check_insn_for_givs): Update call of general_induction_var.
7245 (find_mem_givs): Likewise.
7246 (consec_sets_giv): Likewise.
7247 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
7248 * i386.c (ix86_address_cost): New.
7249 * i386-protos.h (ix86_address_cost): Declare.
7251 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
7253 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
7256 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
7258 * expr.c (store_expr): Use clear_storage instead of direct memset
7261 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
7263 * config/mn10300/mn10300.c (mn10300_address_cost): Test
7264 ASHIFT, AND and LABEL_REF.
7266 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
7268 * invoke.texi (-foptimize-sibling-calls): Fix.
7270 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
7272 * loop.c (load_mems) Don't use hard registers for the hoisting.
7274 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
7275 calculation; rename const_equiv array in the preconditioning code
7276 from loop_unroll to loop_unroll_precondition
7278 2000-04-27 Richard Henderson <rth@cygnus.com>
7280 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
7282 (propagate_one_insn): Clear it. Don't update reg_live here.
7283 (init_propagate_block_info): Update for pbi member changes.
7284 (free_propagate_block_info): Likewise.
7285 (mark_set_1): Know that zero_extract, sign_extract, and
7286 strict_low_part don't kill their argument. Alter hard subregs.
7287 Update new_set for non-CLOBBER sets. Update reg_live.
7288 (find_auto_inc): Update reg_live, not new_dead.
7289 (mark_used_reg): Update reg_live, not new_live. Examine new_set
7290 to determine if the reg in question was set this insn. Only update
7291 reg info with PROP_REG_INFO.
7293 2000-04-26 Richard Henderson <rth@cygnus.com>
7295 * flow.c (allocate_reg_life_data): Set max_regno here ...
7296 (life_analysis): ... not here.
7298 * flow.c (calculate_global_regs_live): Force stack pointer
7301 2000-04-26 Richard Henderson <rth@cygnus.com>
7303 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
7304 commit change group changes.
7305 (invert_exp_1): Similarly.
7306 (redirect_exp, invert_exp): Use them.
7307 (redirect_jump_1): New.
7308 (invert_jump_1): New.
7309 (jump_optimize_1): Remove code subsumed by condexec.c.
7310 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
7312 2000-04-26 Richard Henderson <rth@cygnus.com>
7314 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
7316 * genconfig.c (main): Set all HAVE_foo to 1.
7318 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
7320 2000-04-26 Alex Samuel <samuel@codesourcery.com>
7322 * invoke.texi: Document -fssa flag.
7324 2000-04-26 Richard Henderson <rth@cygnus.com>
7326 * flow.c (count_reg_sets_1): Remove.
7327 (count_reg_sets, count_reg_references): Remove.
7328 (recompute_reg_usage): Implement with update_life_info.
7329 Reallocate life data.
7331 2000-04-26 Richard Henderson <rth@cygnus.com>
7333 * flow.c (update_life_info): Consider blocks null to mean the
7335 (calculate_global_regs_live): Likewise.
7336 (life_analysis): Do that instead of collecting all_blocks.
7338 2000-04-26 Richard Henderson <rth@cygnus.com>
7340 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
7341 a still-valid conditional jump.
7343 2000-04-26 Richard Henderson <rth@cygnus.com>
7345 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
7347 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
7348 * flow.c (calculate_loop_depth): Remove.
7349 * output.h (calculate_loop_depth): Don't declare.
7350 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
7351 inline; run estimate_probability at the same time.
7353 2000-04-26 Neil Booth <NeilB@earthling.net>
7355 * cpplib.h: "~=" is not a single pp-token.
7356 * cpplex.c: Correct commentary.
7358 2000-04-26 Richard Henderson <rth@cygnus.com>
7360 * flow.c (mark_set_1): New arguments code and flags; update all
7361 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
7362 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
7363 loop_depth when optimizing for size. Do new_dead update after
7364 emitting REG_UNUSED notes. Merge mark_set_reg code.
7365 (mark_set_reg): Remove.
7366 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
7367 arrange to not emit REG_UNUSED notes.
7369 2000-04-26 Richard Henderson <rth@cygnus.com>
7371 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
7372 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
7374 2000-04-26 Richard Henderson <rth@cygnus.com>
7376 * flow.c (propagate_one_insn): Break out from propagate_block.
7377 (init_propagate_block_info): Likewise.
7378 (free_propagate_block_info): Likewise.
7379 (propagate_block): Use them. Export.
7380 * basic-block.h: Declare them all.
7382 2000-04-26 Richard Henderson <rth@cygnus.com>
7384 * basic-block.h (life_analysis): Declare here ...
7385 * output.h: ... not here.
7386 * flow.c (life_analysis): Remove nregs parameter; replace
7387 remove_dead_code with flags. Remove ssa dead code check.
7388 Only init alias analysis if we'll use it.
7389 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
7390 * ssa.c (convert_to_ssa): Likewise.
7391 (convert_from_ssa): Likewise.
7392 * toplev.c (rest_of_compilation): Likewise.
7394 2000-04-26 Richard Henderson <rth@cygnus.com>
7396 * flow.c (flow_delete_block): Rename from delete_block. Export.
7397 * basic-block.h (flow_delete_block): Declare.
7399 2000-04-26 David S. Miller <davem@redhat.com>
7401 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
7402 taking a PATTERN of it.
7404 2000-04-26 <NeilB@earthling.net>
7406 * cpplex.c (spell_other, spell_char): Remove.
7408 (token_spelling, trigraph_map): Use unsigned chars.
7409 (_cpp_lex_line): Tidy up the switch statement.
7410 * cpplib.h: Implement spell_char with spell_string.
7413 2000-04-26 <RodneyBrown@pmsc.com>
7415 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7416 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
7418 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7420 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
7421 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
7422 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
7423 dwarf2out_return_save, dwarf2out_return_reg,
7424 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
7425 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
7426 gen_compile_unit_die, dwarf2out_init): Constify a char*.
7428 * dwarf2out.h (dwarf2out_init): Likewise.
7430 * dwarfout.c (filename_entry, primary_filename, last_filename,
7431 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
7433 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
7434 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
7435 dwarf2out_return_reg): Likewise.
7437 2000-04-26 Andreas Jaeger <aj@suse.de>
7439 * extend.texi (Function Attributes): Fix description of pure
7442 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7444 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
7445 before calling rest_of_compilation.
7447 2000-04-26 Andreas Jaeger <aj@suse.de>
7449 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
7452 2000-04-25 Richard Henderson <rth@cygnus.com>
7454 * cse.c (cse_insn): Emit barrier after unconditional jump.
7456 * calls.c (expand_call): Disable tail call generation once
7457 rtx_equal_function_value_matters is false.
7459 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
7462 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
7464 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
7466 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
7468 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
7469 is the primary DIE for a member function.
7470 (gen_decl_die): Call set_decl_origin_self here.
7471 * dwarfout.c (output_decl): And here.
7472 * integrate.c (output_inline_function): Not here.
7473 Don't clear DECL_INLINE until after calling rest_of_compilation.
7474 (set_decl_origin_self): No longer static.
7475 * tree.h: Add prototype.
7476 * toplev.c (note_deferral_of_defined_inline_function): Only write
7477 out abstract instance for actual inlines.
7479 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
7481 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
7482 EXTENDED_REGS only if TARGET_AM33.
7483 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
7484 SP_REGS to register allocation and reloading unless absolutely
7486 (movsi3): Remove special-case of adding non-constants to SP.
7488 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7490 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
7491 INCLUDES to search and does not provide any of its own. Also it
7492 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
7493 parameters. Also it does not call AC_DEFINE.
7494 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
7495 AC_DEFINE and provides for automatic entries for autoheader.
7496 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
7498 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
7499 so we can pass -I flags and include gansidecl.h/system.h in this
7502 * acconfig.h: Delete all NEED_DECLARATION_* entries.
7504 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7506 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7507 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7508 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
7510 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
7511 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
7512 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
7513 for these macros. Clean up spacing and linewraps.
7515 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
7517 * calls.c (expand_call): Use get_callee_fndecl.
7519 * print-tree.c (print_node): Print the chain of an _EXPR.
7521 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
7522 Jim Wilson <wilson@cygnus.com>
7523 Andrew Haley <aph@cygnus.com>
7525 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
7526 and gp save/restore problems.
7527 * config/ia64/crtend.asm: Add IA-64 unwind support.
7528 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
7529 in fr_pad_size calculation.
7530 (save_restore_insns): Move PR save area. Correct uses of
7531 RTX_FRAME_RELATED_P.
7532 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
7533 (ia64_expand_epilogue): Add eh_epilogue support.
7534 (ia64_function_prologue): Emit .prologue directive.
7535 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
7536 (ia64_override_options): Set init_machine_status and
7537 mark_machine_status.
7538 (rtx_needs_barrier): Handle bsp reads and writes.
7539 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
7540 New static variables.
7541 (process_set, process_for_unwind_directive): New functions.
7542 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
7543 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
7544 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
7546 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
7547 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
7548 (struct machine_function): Define.
7549 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
7551 2000-04-25 Bruce Korb <bkorb@gnu.org>
7553 * fixinc/Makefile.in: make the removal of old programs more
7555 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
7556 install-bin and install-sh
7558 2000-04-25 Nick Clifton <nickc@cygnus.com>
7560 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
7561 defined, define to return zero.
7562 (function_cannot_inline_p): If a function has any target
7563 specific attributes, then use the macro
7564 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
7565 whether it can be inlined. If it cannot, issue a suitable
7568 * tm.texi: Add a new node 'Inlining' to document the new macro
7569 FUNCTION_ATTRIBUTE_INLINABLE_P.
7571 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
7573 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
7576 2000-04-25 Neil Booth <NeilB@earthling.net>
7578 Restore previous patch, plus the following fixes:
7580 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
7581 flags, not CPP_OPEN_PAREN.
7582 * cpplex.c (expand_token_space, init_token_list,
7583 cpp_free_token_list): Put the dummy token at list->tokens[-1].
7584 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
7586 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7588 * config/i386/freebsd.h (INT_ASM_OP): Define.
7590 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
7592 * loop.c (strength_reduce): Fix typo in the last checkin.
7594 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7596 * stor-layout.c (finalize_record_size): Simplify to use existing
7598 (compute_record_mode): No longer static.
7599 * tree.h (compute_record_mode): New declaration.
7601 2000-04-25 Neil Booth <NeilB@earthling.net>
7603 * Revert my patch below until cause of build failures
7606 2000-04-25 Richard Henderson <rth@cygnus.com>
7608 * combine.c (combine_instructions): Add missing argument
7611 * toplev.c (rest_of_compilation): Delay sibcall optimization
7612 until after emit_eh_context.
7614 2000-04-24 Nick Clifton <nickc@redhat.com>
7616 * combine.c (combine_instructions): Do not try to combine a
7617 sequence of insns when the second insn has been replaced by a
7620 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
7622 * gcc.c (load_specs): New static function.
7623 (read_specs): Use it.
7625 * gcc.c (lookup_compiler): Make multiple passes for case
7626 insensitive filesystems.
7628 2000-04-24 Neil Booth <NeilB@earthling.net>
7630 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
7631 * cpphash.h (_cpp_check_directive): new.
7632 * cpplex.c (handle_newline, cpp_free_token_list,
7633 init_trigraph_map, trigraph_ok, trigraph_replace,
7634 backslash_start, skip_block_comment, skip_line_comment,
7635 skip_whitespace, parse_name, parse_number, parse_string,
7636 copy_comment, _cpp_lex_line, spell_char, spell_string,
7637 spell_comment, spell_name, spell_other, _cpp_lex_file,
7638 _cpp_output_list): new.
7639 (expand_name_space): take length argument.
7640 (init_token_list): add comment list initialisation.
7641 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
7642 instead of HSPACE_BEFORE.
7644 * cpplib.c (_cpp_check_directive): new
7645 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
7646 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
7647 (HSPACE_BEFORE): delete.
7648 (TTYPE_TABLE): rearrange.
7649 (struct cpp_toklist): update.
7651 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7653 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
7654 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
7655 argument form of AC_DEFINE.
7657 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
7658 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
7659 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
7660 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
7661 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
7663 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
7665 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7667 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
7668 deduced.h): Use -isystem, not -I, for including system headers.
7670 2000-04-24 Nick Clifton <nickc@cygnus.com>
7672 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
7673 the source register is the frame pointer or arg pointer.
7674 (addsi3_small_int): Disallow if source register is the frame
7675 pointer or arg pointer.
7677 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7679 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
7680 call to AC_MSG_RESULT.
7682 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7684 * invoke.texi: Correct grammatical errors, document
7685 -fno-gnu-keywords as identical to -fno-asm for C++.
7687 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7689 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
7690 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
7691 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
7692 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
7693 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
7695 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
7696 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
7697 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
7698 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
7701 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
7703 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
7704 (pop_alignment): Likewise.
7705 (handle_pragma_token): Likewise.
7707 2000-04-24 Robert Lipe <robertlipe@usa.net>
7709 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
7711 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
7713 * combine.c (try_combine): Update reg_nonzero_bits of
7714 newi2pat before newpat.
7716 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
7718 * loop.c (strength_reduce): Simplify test to INSN_P.
7719 (record_giv): Attempt to simplify the add value, use CONSTANT_P
7720 expressions instead of CONST_INT.
7721 (express_from_1): Likewise.
7723 2000-04-24 Mark Mitchell <mark@codesourcery.com>
7725 * regs.h (reg_n_max): Don't declare.
7726 * flow.c (reg_n_max): Don't define.
7727 * regclass.c (renumber): Don't initialize to zero.
7728 (regno_allocated): Likewise.
7729 (reg_n_max): Define.
7730 (allocate_reg_info): Don't initialize unnecessarily.
7732 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
7734 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
7735 and blockage_p in the newly allocated attribute.
7737 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
7739 * config/mn10300/mn10300.md (addsi): `inc4' on address
7740 registers does not modify cc, but `inc' on an extended
7743 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
7745 * reload.c (find_equiv_reg): Checks all valueno regs
7746 as a reload_reg_p regs.
7748 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7750 * cpphash.c (collect_objlike_expansion): Add sanity check.
7751 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
7752 the buffer is the empty string, return. Mark __DATE__ and
7753 __TIME__ as XCONST nodes, not MCONST.
7754 (_cpp_macroexpand): Avoid pushing an empty buffer.
7755 (funlike_macroexpand): Don't pop token_buffer here.
7757 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
7759 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
7760 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
7761 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
7762 (REGNO_OK_FOR_BASE_P): Define in terms of them.
7763 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
7764 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
7765 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
7767 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
7769 * loop.c (simplify_giv_expr): Be more agressive on simplifying
7772 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
7774 * cpphash.h (struct definition): Move file, line, col members...
7775 (struct hashnode): ... here. Also add 'disabled' flag.
7776 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
7777 T_IDENTITY. Remove T_DISABLED.
7780 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
7781 (collect_expansion): Split into collect_objlike_expansion and
7782 collect_funlike_expansion.
7783 (_cpp_macroexpand): Split out scan_arguments, stringify, and
7784 funlike_macroexpand.
7785 (_cpp_compare_defs): Rename compare_defs, make static.
7786 (_cpp_make_hashnode): Initialize hp->disabled.
7787 (macro_cleanup): Adjust for new token types. Clear
7789 (_cpp_create_definition): Move code here to determine what
7790 sort of macro it is, and code to check for redefinitions, from
7791 do_define. Implement a few simple cases without creating a
7793 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
7794 Handle the simple cases.
7795 (push_macro_expansion): Set buf->has_escapes and hp->disabled
7798 * cppinit.c (builtin_array): Change MCONST to XCONST
7800 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
7801 fix check for disabled and function-like macros.
7802 * cpplib.c (do_define): Move most logic to
7803 _cpp_create_definition.
7804 (do_undef): Handle new special token types.
7806 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
7808 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
7809 of CONSTANT_P for mult_val; always use validate_change to update insn.
7811 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
7813 * cpphash.c (trad_stringify, add_pat): New functions.
7814 (collect_expansion): Restore support for -traditional syntax.
7815 Use trad_stringify and add_pat.
7816 (_cpp_macroexpand): Restore support for -traditional semantics.
7817 * cpplex.c (_cpp_scan_line): Don't change space_before if we
7818 get a COMMENT token.
7819 (_cpp_lex_token): Provide COMMENT tokens to caller if
7820 traditional and parsing_define_directive.
7821 (skip_comment): Warn about // comments if -Wtraditional.
7822 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
7824 (do_undef): Don't warn about undefining EMPTY nodes.
7826 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
7828 * loop.c (strength_reduce): Fix biv removal code.
7830 2000-04-22 Richard Henderson <rth@cygnus.com>
7832 * predict.c (estimate_probability): Examine both sides of
7833 a branch for no exits. Use 90% not 50% for predict taken.
7834 Reorg for one copy of note generation code.
7836 2000-04-22 Richard Henderson <rth@cygnus.com>
7838 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
7840 2000-04-22 Richard Henderson <rth@cygnus.com>
7842 * diagnostic.c (init_output_buffer): Don't initialize format_args.
7843 (output_clear): Likewise.
7844 (output_printf): Use va_copy.
7845 (vline_wrapper_message_with_location): Likewise.
7846 (v_message_with_decl): Likewise.
7847 (line_wrapper_printf): VA_START infor buffer.format_args directly.
7848 * system.h (va_copy): Provide default implementation.
7850 2000-04-22 Richard Henderson <rth@cygnus.com>
7852 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
7853 the collected condition is not a constant.
7855 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
7857 * diagnostic.h: New file.
7859 * Makefile.in (diagnostic.o): Depends on diagnostic.h
7861 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
7862 various function prototypes.
7863 (diagnostic.h): #include.
7864 (struct output_buffer): Move into diagnostic.h.
7865 (get_output_prefix): Rename to output_get_prefix. Export.
7866 (init_output_buffer): Export. Break out. Ajust intialization.
7867 (output_space_left, output_append): Export.
7868 (output_newline): Rename to output_add_newline. Export.
7869 (output_clear): Nullify additional output_buffer fields.
7870 (output_puts): Rename to output_add_string. Export.
7871 (dump_output): Rename to output_flush_on. Export.
7872 (build_location_prefix): Constify return-type.
7873 (emit_output_prefix): Rename to output_emit_prefix. Export.
7874 (set_real_maximum_length): New function.
7875 (output_set_maximum_length): Ditto
7876 (output_clear): Ditto.
7877 (output_add_character): Ditto.
7878 (output_add_integer): Ditto.
7879 (output_add_space): Ditto.
7880 (output_format): Ditto.
7881 (output_printf): Adjust buffer initialization.
7882 (vline_wrapper_message_with_location): Ditto.
7883 (v_message_with_decl): Ditto. Adjust call to output_puts
7884 and get_output_prefix.
7885 (default_print_error_function): Adjust buffer intialization.
7887 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7889 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
7892 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
7894 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
7897 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
7899 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
7900 accurate data about SP moves.
7902 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
7904 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
7905 aliases to AM33 registers.
7907 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
7909 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
7910 to all EXTENDED bitmaps.
7912 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
7914 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
7915 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
7916 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
7918 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
7920 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
7921 the operand is not constant.
7923 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
7925 * reload.c (find_equiv_reg): Checks all valueno and regno regs
7926 as a call-clobbered regs.
7928 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7930 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
7932 * rtl.def: Update comment.
7933 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
7934 * integrate.c (expand_inline_function): Likewise.
7935 * profile.c (branch_prob): Likewise.
7936 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
7937 * print-rtl.c (print_rtx): Likewise.
7938 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
7939 (reemit_notes): Likewise; also use enum insn_note.
7941 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
7942 (place_field): Properly compute know and actual alignment.
7944 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
7947 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
7950 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
7952 * cpphash.c (struct arg, struct arglist): Const-ify strings.
7953 (warn_trad_stringify, duplicate_arg_p): New helper functions.
7954 (collect_expansion): Rewrite to scan over a token list.
7955 Remove -traditional support.
7956 (collect_formal_parameters): Rename to collect_params; rewrite
7957 to scan over a token list.
7958 (_cpp_create_definition): Adjust to scan a token list.
7959 (_cpp_macroexpand): Remove -traditional support.
7960 (_cpp_compare_defs): Whitespace is now canonicalized.
7961 (comp_def_part): Delete function.
7963 * cpphash.h: Update prototypes.
7964 * cpplex.c (init_token_list): Don't set lineno if there is no
7966 (pedantic_whitespace): New function.
7967 (_cpp_scan_line): Mark tokens that had hspace before. Don't
7968 consume a newline. Use pedantic_whitespace.
7969 (_cpp_lex_token): Remove support for -traditional macros.
7970 (_cpp_get_define_token): Delete.
7971 (_cpp_get_directive_token): Do the real work here. Use
7972 pedantic_whitespace.
7973 (_cpp_init_input_buffer): Initialize pfile->directbuf.
7975 * cpplib.c (get_macro_name): Delete.
7976 (do_define): Read the entire line into pfile->directbuf, then
7977 feed the token list to _cpp_create_definition.
7978 * cpplib.h (HSPACE_BEFORE): new define.
7979 (struct cpp_reader): Add a toklist member, "directbuf".
7981 * predict.c (estimate_probability): New heuristic: if a jump
7982 branches around a block with no successors, predict it taken.
7983 Disentangle control flow.
7985 2000-04-20 Richard Henderson <rth@cygnus.com>
7987 * loop.c (emit_iv_add_mult): Revert last change.
7989 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
7991 * cpplib.h (enum cpp_ttype): Add token types for all
7992 punctuators. Distinguish pp-numbers from valid C numbers.
7993 Give some tokens better names. Initialize from macro.
7994 (struct cpp_name, cpp_token, cpp_toklist): New data
7997 * cpplex.c (bump_column, expand_name_space,
7998 expand_token_space, init_token_list, cpp_output_list,
7999 _cpp_scan_line): New functions.
8000 (output_line_command): Add third argument, new line number.
8001 * cpphash.h: Update prototypes.
8002 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
8005 2000-04-20 Richard Henderson <rth@cygnus.com>
8007 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
8009 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
8011 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
8014 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
8016 * loop.c (emit_iv_add_mult): Simplify it's input and emit
8017 REG_EQUAL note explaining the calculated value.
8019 * calls.c (expand_call): Avoid unnecesary precalculation
8020 and outgoing parameters space guarding for sibling calls.
8021 (store_one_arg): Likewise.
8023 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8025 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
8026 (rest_of_compilation): Write sibling dump file and account
8027 for time as jump time.
8028 * invoke.texi: Update documentation on dump flags.
8030 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
8032 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
8034 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
8036 * cpphash.c (special_symbol): Represent an empty macro with
8037 "\r \r " not just "\r ".
8038 (_cpp_macroexpand): Correct condition for the foo ( ) special
8040 (unsafe_chars): Handle EOF as second argument.
8041 (push_macro_expansion): Simplify test for removing escape at
8042 end. Do not trim both escapes if there is no text in between.
8044 2000-04-19 Jim Blandy <jimb@redhat.com>
8046 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
8047 of PTR_SIZE, when appropriate.
8049 2000-04-19 Mark Mitchell <mark@codesourcery.com>
8051 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
8052 (USE_ENUM_BITFIELDS): Fix typo.
8054 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8056 * stor-layout.c (place_field): Set rli->offset_align properly.
8058 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8060 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
8061 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
8062 PARM_BOUNDARY): Remove unnecessary casts.
8064 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
8066 * calls.c (precompute_arguments): Remove must_preallocate and
8068 (expand_call): Update call of precompute_arguments.
8070 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
8071 check_insn_for_givs): Break out from ...
8072 (strength_reduce) ... here; use for_every_insn_in_loop to call
8073 check_insn_for_givs.
8074 * loop.h (for_every_insn_in_loop): Declare.
8075 (loop_insn_callback): New type.
8077 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
8079 * cpplib.c (do_pragma_poison): Strings in the token buffer are
8082 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
8084 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
8087 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
8089 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
8091 * configure.in: Delete --disable-cpplib option and all
8092 references to cpp_main.
8093 * configure: Regenerate.
8094 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
8095 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
8096 cccp.o, cccp, or cppmain. Link cppmain.o straight to
8097 cpp$(exeext). Add --no-headers to makeinfo command line when
8098 generating INSTALL. Install and uninstall cpp.1 manpage, not
8100 * install.texi: Delete all references to cexp.y/cexp.c.
8101 Delete ancient instructions for compiling GCC on 3b1.
8102 * INSTALL: Regenerate.
8104 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
8105 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
8106 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
8108 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
8109 which is no longer tested anywhere.
8111 * cppinit.c (handle_option): Don't run error message through
8114 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8116 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
8117 * cpperror.c (hashtab.h): Now include.
8118 * cppexp.c (hashtab.h): Likewise.
8119 * cpplex.c (hashtab.h): Likewise.
8120 * cppfiles.c (hashtab.h): Likewise.
8121 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
8122 to htab_find_slot_with_hash.
8123 * cpphash.c (hashtab.h): Now include.
8124 (_cpp_lookup_slot): INSERT is now enum insert_option.
8125 * cpphash.h (_cpp_lookup_slot): Likewise.
8126 * cppinit.c (hashtab.h): Include earlier.
8127 (initialize_builtins): Pass enum to htab_find_slot.
8128 * cpplib.c (hashtab.h): Now include.
8129 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
8130 (do_pragma_poison, do_assert): Likewise.
8131 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
8132 htab_find_slot_with_hash.
8133 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
8134 * tree.c (type_hash_add): Likewise.
8135 (build1): Minor cleanup.
8137 * ggc-common.c: Add missing blanks.
8138 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
8139 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
8141 * stmt.c (mark_case_node): New function.
8142 (mark_case_nesting): Call it.
8144 * expmed.c (emit_store_flag): If comparing two-word integer
8145 with zero, can optimize NE, EQ, GE, and LT.
8147 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
8148 * conflict.c: Minor cleanups.
8149 * optabs.c: Add blank line
8150 * simplify-rtx.c: Minor cleanups.
8152 2000-04-18 Stan Cox <scox@cygnus.com>
8154 * gengenrtl.c (genlegend): Fix misspelling.
8156 2000-04-18 Robert Lipe <robertlipe@usa.net>
8158 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
8159 bitfields of the host compiler are not signed quantities.
8160 * config.in: Regenerate.
8161 * configure: Regenerate.
8162 * system.h (USE_ENUM_BITFIELDS): Added.
8163 (ENUM_BITFIELDS): Added.
8164 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
8165 (SHORT_ENUM_BUG): Deleted.
8166 * tree.h (tree_common): Members `code', `mode', `built_in_class',
8168 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
8169 (CODE_FIELD_BUG): Likewise.
8170 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
8172 * config/m68k/x-ccur (X_CFLAGS): Likewise.
8174 2000-04-18 Mark Mitchell <mark@codesourcery.com>
8176 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
8179 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
8181 * cppexp.c (lex): Don't assume tokens are NUL terminated.
8182 * cpplib.c (do_include, do_import, do_include_next,
8183 read_line_number, detect_if_not_defined): Likewise.
8184 * cpphash.c (collect_expansion): Likewise.
8185 (special_symbol, _cpp_macroexpand): Check return from
8187 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
8188 macros. Delete all uses.
8190 * gcc.dg/cpp-mi.c: Add two more test cases.
8191 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
8193 2000-04-17 Richard Henderson <rth@cygnus.com>
8195 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
8196 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
8198 2000-04-17 Mark Mitchell <mark@codesourcery.com>
8200 * function.c (expand_function_start): Use hard_function_value to
8201 compute the RTL to use for DECL_RESULT.
8203 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8205 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
8206 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
8207 x86_memory_mismatch_stall): New global variables.
8208 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
8209 alloved; fix load penalties for Athlon.
8210 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
8211 x86_memory_mismatch_stall): Declare.
8212 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
8213 TARGET_MEMORY_MISMATCH_STALL): New.
8214 * i386.md (athlon scheduling parameters): Fix latencies according to
8215 Athlon Optimization Manual.
8216 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
8218 (fsqrt instruction patterns): Set athlon_decode to direct.
8219 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
8220 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
8221 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
8222 and TARGET_PARTIAL_REGISTER_STALL machines.
8223 (pushdf_nointeger): New pattern.
8224 (pushdf_integer): Rename from pushdf.
8225 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
8226 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
8228 2000-04-17 Richard Henderson <rth@cygnus.com>
8230 * loop.c (canonicalize_condition): Add WANT_REG argument.
8231 Stop the search if we match it.
8232 * expr.h (canonicalize_condition): Update decl.
8233 * predict.c (expected_value_to_br_prob): Use it. Track last
8234 expected value note.
8235 (find_expected_value): Remove.
8237 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
8239 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
8241 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
8242 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
8244 * configure.in: Call AC_FUNC_MMAP_FILE.
8245 * configure: Regenerate.
8246 * config.in: Regenerate.
8248 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
8249 * fixinc/fixincl.c: Likewise.
8251 2000-04-17 Richard Henderson <rth@cygnus.com>
8253 * builtins.c (expand_builtin_expect): New.
8254 (expand_builtin): Call it.
8255 * builtins.def (BUILT_IN_EXPECT): New.
8256 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
8257 * extend.texi: Document it.
8259 * predict.c (expected_value_to_br_prob): New.
8260 (find_expected_value): New.
8261 * basic-block.h (expected_value_to_br_prob): Declare.
8262 * toplev.c (rest_of_compilation): Invoke it.
8264 * rtl.h (NOTE_EXPECTED_VALUE): New.
8265 (NOTE_INSN_EXPECTED_VALUE): New.
8266 * rtl.c (note_insn_name): Update.
8267 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
8268 cases; handle NOTE_INSN_EXPECTED_VALUE.
8270 2000-04-17 Jakub Jelinek <jakub@redhat.com>
8272 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
8273 leaf sibcall delay slot if flag_pic.
8274 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
8276 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8278 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
8280 * fixproto: If fix-header fails, exit with an error.
8282 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
8284 * cse.c (struct check_depdendence_data): New.
8285 (check_dependence): New function.
8286 (invalidate): Use check_depdenence.
8288 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8290 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
8291 UNITS_PER_WORD is unsigned.
8293 * tree.h (struct tree_common): Remove misleading comment.
8295 2000-04-16 Dave Pitts <dpitts@cozx.com>
8297 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
8298 message in quotes. Otherwise, IBM's make program treats the '#' as the
8299 start of a comment and ignores the remainder of the line.
8301 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
8303 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
8304 * cexp.y (initialize_random_junk): Likewise.
8305 * cppfiles.c (find_include_file): Cast alloca return value.
8306 * cppinit.c (initialize_standard_includes): Likewise.
8307 * cpplib.c (cpp_define, cpp_undef): Likewise.
8308 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
8309 * final.c (output_asm_insn): Allow for holes in EBCDIC.
8310 * fold-const.c (CHARMASK): New.
8311 (real_hex_to_f): Use it.
8312 * real.c (CHARMASK): New.
8313 (etoasc, asctoeg): Use it.
8314 (asctoeg): EBCDIC lower case characters preceed upper case.
8316 * i370.c (mvs_add_label): Change spacing for coding conventions.
8317 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
8318 outputing case vectors.
8319 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
8320 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
8321 since vector in in the data CSECT.
8322 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
8323 * i370.md (Many patterns): Put the length in the XL directives.
8324 (movdi): Put back STM and MVC in definition.
8325 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
8326 pattern using the TCA.
8327 * oe.h (CPP_SPEC): Added to allow trigraphs.
8328 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
8329 not support the "long long" type.
8331 2000-04-16 Mark Mitchell <mark@codesourcery.com>
8333 * config/mips/mips-protos.h (mips_legitimate_address_p): New
8335 (mips_reg_mode_ok_for_base_p): Likewise.
8336 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
8337 (REG_OK_FOR_INDEX_P): Define unconditionally.
8338 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
8339 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
8340 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
8341 that GET_MODE_SIZE is unsigned.
8342 (mips_reg_mode_ok_for_base_p): Define.
8343 (mips_legitimate_address_p): Likewise. Adjust now
8344 that GET_MODE_SIZE is unsigned.
8345 (block_move_loop): Make the number of bytes unsigned.
8346 (expand_block_move): Likewise.
8347 (function_arg): Make the loop counter unsigned to match the
8350 2000-04-16 Richard Henderson <rth@cygnus.com>
8352 * rtl.h (enum insn_note): New enumeration. Subsume
8353 NOTE_INSN_DELETED and friends.
8354 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
8355 * rtl.c (note_insn_name): Tweak string order.
8357 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
8359 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
8362 * cpplex.c (output_line_command): Remove debugging prints.
8363 (cpp_output_tokens): Don't write out a zero-length buffer or
8364 try to see if it has a newline in it.
8365 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
8366 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
8367 the end of the loop. Use memmove. Don't read past the end of
8368 the buffer. Remove trailing newlines from error messages.
8370 2004-04-16 Neil Booth <NeilB@earthling.net>
8372 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
8373 * cpplib.c: Add new syntax flags to directive table, and
8376 2000-04-15 Ulrich Drepper <drepper@redhat.com>
8378 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
8381 2000-04-15 David Edelsohn <edelsohn@gnu.org>
8383 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
8384 * haifa-sched.c: Update -fsched-verbose comments to use "=".
8386 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8388 * Makefile.in (ggc-page.o): Now includes toplev.h.
8389 * ggc-page.c (toplev.h): Now included.
8390 (gc_time): Remove declaration.
8391 (ggc_collect): TIME now long.
8392 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
8394 * toplev.h (gc_time, parse_time, gc_time): New declarations.
8396 * toplev.c: Make *_time variable long to reduce chance of overflow.
8397 (TIMEVAR): Likewise for `otime'.
8398 (print_time): Arg is now long; compute percentage in FP and round.
8399 * toplev.h (print_time): Arg is long.
8401 * tree.c: Minor whitespace changes.
8403 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
8404 * configure: Rebuilt.
8405 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
8406 (__fixunsxfDI): Renamed from __fixunsxfdi.
8407 (__fixunsdfDI): Renamed from __fixunsdfdi.
8408 (__fixunssfDI): Renamed from __fixunssfdi.
8409 (__floatdisf): Use proper type in REP_BIT macro.
8410 (__fixunsxfSI): Renamed from __fixunsxfsi.
8411 (__fixunsdfSI): Renamed from __fixunsdfsi.
8412 (__fixunssfSI): Renamed from __fixunssfsi.
8413 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
8414 Change location of macros and upper-case some names as above.
8415 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
8416 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
8418 * varasm.c (assemble_variable): Add cast to remove warning.
8419 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
8421 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
8422 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
8423 region number to -1.
8425 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
8427 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
8428 call unshare_all_rtl.
8430 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
8432 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
8434 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
8435 Use .s1 not .s0 for all FP instructions.
8437 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
8439 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
8441 (safe_fwrite, output_line_command): New static functions.
8442 (cpp_expand_to_buffer): Now private to cpplib.
8443 (cpp_scan_buffer): Take a printer.
8445 * cpphash.h: Update prototypes.
8446 * cpplib.h: Update prototypes.
8448 (cpp_buffer): Remove last_nominal_fname.
8449 (cpp_reader): Remove lineno.
8451 * cppmain.c: Use a cpp_printer.
8452 * fix-header.c: No need to inhibit line commands. Call
8453 cpp_start_read with no printer.
8455 * cpperror.c (cpp_notice_from_errno): Provide default name.
8456 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
8457 (find_include_file, cpp_read_file): Use make_IHASH.
8458 (file_cleanup): Set control_macro and clear
8459 input_stack_listing_current here.
8460 (_cpp_execute_include): Don't output entering-file marker.
8461 * cpphash.c (special_symbol): Look for the line number in the
8462 buffer, not the reader.
8463 (_cpp_macroexpand): No need to disable line commands.
8464 (_cpp_dump_definition): No need to generate line commands.
8465 (dump_hash_helper): Remove excess newline from output.
8466 * cppinit.c (dump_special_to_buffer): No need to generate line
8468 (cpp_printer_init): New.
8469 (cpp_start_read): Take a printer, and start it up if it's not
8470 NULL. No need to generate line commands.
8471 (cpp_finish): Expect no buffers stacked at all. Take a
8472 printer argument, and flush the output buffer if it's not
8474 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
8475 Don't put two hashes at the beginning of an assertion.
8476 (cpp_get_token): Don't increment pfile->lineno or emit line
8477 commands here. Return EOF if there's no buffer when we get
8479 * cpplib.c (do_define, skip_if_group):
8480 No need to disable line commands.
8481 (_cpp_output_line_command): Delete function.
8482 (do_line): Don't emit line commands here, but set things up so
8483 they will be emitted if necessary. Use _cpp_fake_ihash to
8484 make unique nominal_fnames if necessary.
8485 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
8486 with 0 for column, not -1.
8487 (_cpp_handle_eof): Don't set the control macro here. Don't
8488 clear input_stack_listing_current here. Don't emit line
8491 2000-04-14 Geoff Keating <geoffk@cygnus.com>
8493 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
8494 always, use the default SVR4 start address.
8496 * config/rs6000/linux.h (LINK_SPEC): Don't define.
8497 (LINK_SHLIB_SPEC): Define.
8498 (LINK_START_DEFAULT_SPEC): Define.
8499 (LINK_OS_DEFAULT_SPEC): Define.
8501 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
8503 * config/rs6000/eabi.asm (__eabi): Call __init rather than
8504 __do_global_ctors to handle constructors.
8505 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
8506 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
8507 (STARTFILE_MVME_SPEC): Likewise.
8508 (STARTFILE_SIM_SPEC): Likewise.
8509 (ENDFILE_ADS_SPEC): Use crtend.
8510 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
8511 (ENDFILE_MVME_SPEC): Likewise.
8512 (ENDFILE_SIM_SPEC): Likewise.
8513 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
8514 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
8515 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
8516 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
8517 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
8518 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
8519 (CRTSTUFF_T_CFLAGS_S): Define.
8520 * config/rs6000/eabi-ctors.c: Delete.
8522 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
8525 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
8529 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
8531 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
8532 plus mask size is smaller or equal to the mode size.
8534 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8536 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
8539 * expr.c (reload.h): Now included.
8540 (emit_block_move): Set volatile_ok when checking for movstr.
8541 (emit_move_1): Check for replacements in addresses in multi-word case.
8542 * Makefile.in (expr.o): Now includes reload.h.
8544 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
8545 Never have a LIBCALL end a basic block.
8546 (find_basic_blocks_1): Likewise.
8547 Reorganize CALL_INSN cases.
8549 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
8551 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
8553 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
8554 completers from mov.ret instruction.
8556 2000-04-14 Richard Henderson <rth@cygnus.com>
8558 * fold-const.c (extract_muldiv): Don't distribute and widen
8559 multiply across plus for non-sizetype unsigned types.
8561 2000-04-14 Richard Henderson <rth@cygnus.com>
8563 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
8564 If the original source is dead in the incr insn, it's dead now.
8566 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8568 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
8569 see if DECL_BIT_FIELD needs to still be set.
8571 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
8573 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
8574 print_int_cst_octal with something that's not an INTEGER_CST.
8576 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
8577 and not a SUBREG to a FLOAT rtl.
8579 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
8581 * emit-rtl.c (try_split): Avoid infinite loop if the split
8582 results in a sequence that contains the original insn.
8584 2000-04-13 Andreas Jaeger <aj@suse.de>
8586 * config/mips/mips.c (expand_block_move): Pass alignment
8587 argument to move_by_pieces in bits, not bytes.
8589 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
8590 __pic__ for little endian.
8592 2000-04-13 Andreas Jaeger <aj@suse.de>
8594 * config/i386/i386-protos.h: Add prototype for
8595 uno_comparison_operator.
8597 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
8599 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
8600 * calls.c (ECF_PURE): New flag.
8601 (emit_call_1): Handle ECF_PURE calls.
8602 (initialize_argument_information): Unset ECF_PURE flag too.
8603 (precompute_arguments): Precompute for ECF_PURE too.
8604 (expand_call): Handle ECF_PURE calls too.
8605 (emit_library_call_value_1): Rename no_queue argument to fn_type,
8606 accept value of 2 as pure function.
8607 (emit_library_call_value, emit_library_call): Rename no_queue argument
8609 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
8611 * tree.h (DECL_IS_PURE): New macro.
8612 (struct tree_decl): Add pure_flag.
8613 * c-common.c (enum attrs): Add attribute "pure".
8614 (init_attributes): Initialize attribute "pure"
8615 (decl_attributes): Handle attribute "pure".
8616 * extend.texi (Attribute "pure"): Document.
8617 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
8619 (flags_from_decl_or_type): Support attribute "pure".
8621 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
8623 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
8624 the token except for numbers and identifiers.
8626 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
8628 * i386.c (ix86_expand_binary_operator,
8629 ix86_expand_unary_operator): Check no_new_pseudos
8630 instead of reload_in_progress and reload_completed.
8631 (ix86_split_ashldi, ix86_split_ashrdi,
8632 ix86_split_lshrdi): Check no_new_pseudos instead
8633 of reload_completed.
8635 2000-04-12 Jeffrey A Law (law@cygnus.com)
8637 * function.c (purge_addressof): Unshare any shared rtl created by
8638 purge_addressof and its children.
8640 2000-04-12 Mark Mitchell <mark@codesourcery.com>
8642 * function.c (aggregate_value_p): VOID_TYPE nodes are never
8645 2000-04-05 Andreas Jaeger <aj@suse.de>
8647 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
8648 not compiling PIC code, add flags for mabi=64.
8649 (SUBTARGET_CPP_SIZE_SPEC): New.
8650 (SUBTARGET_CPP_SPEC): New.
8651 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
8652 for MIPS/Linux and lots of code needs these defines.
8654 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
8656 * reorg.c (fill_slots_from_thread): Check side_effects_p when
8657 trying the "opposite arithmetic" approach.
8659 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8661 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
8662 (struct sh_args): Add new field force_mem.
8663 (INIT_CUMULATIVE_ARGS): Initialize it.
8664 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
8666 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
8668 * calls.c (expand_call): Do not reverse args in "equal from" field.
8669 (emit_library_call_value_1): Emit_libcall_block for const and pure
8672 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8674 * reload1.c (reload_combine): Don't enable optimization for fixed
8675 registers when encountering a BARRIER.
8677 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
8679 * builtins.c (expand_builtin_memcmp): Do expansion even with
8680 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
8682 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
8683 stack is propertly aligned; add sanity checking for aligned
8685 (expand_library_call_value_1): Add sanity checking for aligned
8688 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
8690 * calls.c (emit_library_call_value_1): Change 3rd arg to
8691 locate_and_pad_parm to disregard the setting of partial.
8693 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8695 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
8697 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
8698 CALL_INSN from the normal case.
8700 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
8702 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8703 New global variables.
8704 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
8706 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
8708 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
8709 TARGET_ADD_ESP_8): New macros.
8710 * i386.md: Add peep2s to convert esp adjustments to push and pop
8712 (pushsi_prologue, popsi_epilogue): New patterns.
8714 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8716 * real.c (toe64): Remove stale #endif from the last change.
8718 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
8720 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
8721 * real.c (toe64): Revert previous change.
8723 2000-04-12 Jakub Jelinek <jakub@redhat.com>
8725 * objc/objc-act.c: Include ggc.h.
8726 (objc_tree_index, objc_global_trees): Convert most of the
8727 static tree variables into a static array with previous names
8729 (objc_ellipsis_node): New variable.
8730 (lang_init): Call objc_act_parse_init and c_parse_init.
8731 Create objc_ellipsis_node.
8732 (build_selector_translation_table): Use objc_ellipsis_node instead
8734 (hack_method_prototype): Likewise.
8735 (get_arg_type_list): Likewise.
8736 (start_method_def): Likewise.
8737 (continue_method_def): Likewise.
8738 (gen_method_decl): Likewise.
8739 (ggc_mark_imp_list): New function.
8740 (ggc_mark_hash_table): New function.
8741 (objc_act_parse_init): New function.
8742 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
8743 * c-parse.in (c_parse_init): For objc add roots of objc specific
8744 local tree variables.
8745 * objc/objc-parse.y: Rebuilt.
8746 * objc/objc-parse.c: Rebuilt.
8747 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
8749 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
8751 * cse.c (delete_trivially_dead_insns): Also delete insns
8752 that copy a register to itself where the destination is
8755 2000-04-11 Richard Henderson <rth@cygnus.com>
8757 * flow.c (struct propagate_block_info): Add new_dead, new_live.
8758 (propagate_block): Initialize them. Use them in parallel instead
8759 of one tmp variable, ie revert much of the 0408 and 0407 functional
8760 changes, but keep the structural changes.
8761 (mark_set_regs): Take new_dead from propagate_block_info instead.
8762 (mark_set_1, mark_set_reg): Likewise.
8763 (mark_used_regs): Likewise with new_live.
8764 (mark_used_reg): Likewise. Revert 0408 change.
8766 2000-04-11 Nick Clifton <nickc@cygnus.com>
8768 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
8770 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
8772 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8774 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
8775 const section to output a CONSTRUCTOR based on the same conditions
8778 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
8780 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
8781 * pa/pa-protos.h (output_call): Add additional argument indicating
8782 if the call is a sibling/tail call.
8783 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
8784 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
8785 (function_arg, function_arg_partial_nregs): Likewise
8786 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
8787 (emit_move_sequence): Zero extend certain constants as needed
8789 (compute_zdepdi_operands, output_64bit_and): New functions.
8790 (output_64bit_ior, function_arg): Likewise.
8791 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
8792 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
8793 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
8794 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
8795 (output_bvb): Likewise.
8796 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
8797 (output_call): New argument 'sibcall'. Generate sibcall sequences
8799 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
8800 (ouput_arg_descriptor): Do not emit argument descriptors for
8802 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
8804 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
8805 (FUNCTION_OK_FOR_SIBALL): Define.
8806 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
8807 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
8808 (CPP_SPEC): Use new spec infrastructure.
8809 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
8810 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
8811 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
8812 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
8813 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
8814 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
8815 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
8816 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
8817 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
8818 (FUNCTION_ARG); Call out to C code.
8819 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
8820 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
8821 (MIN_UNITS_PER_WORD): Likewise.
8822 * pa/pa.md (cmpdi): New expander.
8823 (scc patterns, movstrsi): Not available for TARGET_64BIT.
8824 (64bit conditional arithmetic): New patterns.
8825 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
8826 (movsicc): Not available if modes on all the operands to not match.
8827 (movdicc): New expander and associated patterns.
8828 (64bit branches): New patterns.
8829 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
8830 (pre_ldd, post_std): New patterns.
8831 (64bit addil, load low part): New patterns.
8832 (special movsf constant): Not available for TARGET_64BIT.
8833 (movsf, movdf expanders): Force constants into memory.
8834 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
8835 (64bit movdf/movdi patterns): New patterns.
8836 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
8838 (extendqidi2, extendhidi2, extendsidi2): Similarly.
8839 (adddi3 expander): Allow "arith_operand" for second input.
8840 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
8841 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
8842 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
8843 (muldi3): New expander for TARGET_64BIT.
8844 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
8846 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
8847 patterns for TARGET_64BIT.
8848 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
8849 patterns for TARGET_64BIT.
8850 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
8851 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
8852 (sibcall_epilogue): New expander.
8853 (casesi): Tweak for TARGET_64BIT.
8854 (call expanders): Set & use the outgoing argument pointer. Use the
8855 64bit call patterns as needed. Add additional arg to output_call.
8856 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
8857 (sibcall, sibcall_internal_symref): New expanders.
8858 (sibcall_value, sibcall_value_internal_symref
8859 (interspace_jump): Turn into an expander + matching patterns.
8860 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
8861 * pa/pa64-regs.h: Eliminate trigraph sequences.
8862 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
8864 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
8866 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
8867 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
8868 cpp_token with cpp_ttype everywhere.
8869 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
8870 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
8871 CPP_BUF_COL. Line and column numbers are unsigned int, not
8873 * cpplex.c (cpp_buf_line_and_col): Delete.
8874 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
8875 'long lineno' to 'unsigned int lineno'.
8876 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
8878 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8880 * extend.texi: ISO C99 is not a draft anymore.
8881 * invoke.texi: ISO C++ is not a draft anymore.
8882 * cpp.texi: __cplusplus is required by the ISO standard.
8884 * extend.texi (-fthis-is-variable): Undocument.
8885 * flags.h (warn_template_debugging): Remove declaration.
8886 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
8887 -Wenum-clash, -Wtemplate-debugging): Undocument.
8889 2000-04-10 Nick Clifton <nickc@cygnus.com>
8891 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
8893 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
8895 (ARM_SIGN_EXTEND): Use HOST_UINT.
8896 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
8897 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
8898 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
8899 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
8901 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
8902 (arm_gen_constant): Use HOST_UINT.
8903 (arm_canonicalize_constant): Use HOST_UINT.
8904 (arm_reload_in_hi): Use HOST_UINT.
8905 (arm_reload_out_hi): Use HOST_UINT.
8906 (output_multi_immediate): Use HOST_UINT.
8907 (int_log2): Use HOST_UINT.
8908 (arm_poke_function_name): Use HOST_UINT.
8909 (arm_output_epilogue): Use arm_volatile_func().
8910 (output_thumb_prologue): Use arm_strip_name_encoding().
8912 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8914 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
8915 of sequence point problems.
8917 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
8919 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
8921 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
8923 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8925 * sbitmap.h: Whitespace changes and use upper-case macro args.
8926 (struct simple_bitmap_def): All sizes now unsigned.
8927 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
8928 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
8929 (sbitmap_vector_alloc): Parms and local vars now unsigned.
8930 (sbitmap_zero): Cast bzero arg to PTR.
8931 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
8932 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
8933 loop to make structure clearer.
8934 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
8935 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
8936 (sbitmap_a_and_b_or_c): Likewise.
8937 (sbitmap_intersection_of_succs): Minor cleanups.
8938 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
8939 (sbitmap_union_of_preds): Likewise.
8940 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
8941 (debug_sbitmap): New function.
8943 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
8944 * c-typeck.c (convert_for_assignment): Likewise.
8946 * expmed.c (init_expmed): Don't free objects we make.
8947 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
8949 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
8950 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
8952 * gcse.c (expr_hash_table_size): Now unsigned.
8953 (compute_ae_gen): Local variable `i' now unsigned.
8954 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
8955 (compute_transout, hoist_code): Likewise.
8956 (compute_local_properties): Likewise, also hash_table_size.
8957 (alloc_expr_hash_table): N_INSNS now unsigned.
8958 (delete_null_pointer_checks): Mark arg F as unused.
8960 * regrename.c: Minor cleanups, including chang some variables
8963 2000-04-10 Neil Booth <NeilB@earthling.net>
8965 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
8967 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
8969 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8971 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
8972 __classof__, and __headof__ from the list of gnu keywords.
8973 (-ansi): Remove -foperator-names from list of implied options.
8974 Do not call it ANSI C++.
8975 (-foperator-names): Document as -fno-operator-names.
8977 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
8979 * cpphash.c (timestamp): Delete.
8980 (del_HASHNODE): If type is T_MCONST, free value.cpval.
8981 (special_symbol): Remove unnecessary braces. Remove
8982 T_VERSION. Treat T_STDC like T_CONST unless
8983 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
8984 when one is encountered, then convert them into T_MCONST
8986 * cppinit.c (builtin_array): version_string is T_MCONST.
8987 __STDC__ has a "1" in its cpval. Don't have a terminator
8988 entry. Clean up which entries are dumped.
8989 (initialize_builtins): Only __STDC__ gets the special
8990 -traditional treatment. Count the length of builtin_array.
8991 Render version_string here.
8992 * cpphash.h: Remove T_VERSION. Add T_MCONST.
8993 * cpplib.h (struct cpp_reader): Remove timebuf.
8995 2000-04-09 Richard Henderson <rth@cygnus.com>
8997 * genrecog.c (pred): Update comparison_operator for the unordered
9000 * config/i386/i386.c (no_comparison_operator): Disallow unordered
9002 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
9003 (uno_comparison_operator): New.
9004 (put_condition_code): Handle UNORDERED/ORDERED.
9005 (unsigned_comparison): Likewise.
9006 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
9007 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
9008 (ix86_expand_fp_compare): Use them. Take scratch as argument,
9009 update all callers. Handle all 8 unordered operators.
9010 (ix86_expand_setcc): Lose the unordered argument, update all callers.
9011 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
9012 * config/i386/i386.h (PREDICATE_CODES): Update.
9013 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
9014 (ix86_expand_branch, ix86_expand_setcc): Update.
9015 * config/i386/i386.md (sunordered, sordered): New.
9016 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
9017 (bunordered, bordered): New.
9018 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
9019 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
9020 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
9022 2000-04-09 Philip Blundell <philb@gnu.org>
9024 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
9026 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
9028 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
9029 fix_truncxfhi2): New patterns.
9030 * i386.c (output_fix_trunc): Handle converting to HImode.
9032 2000-04-08 Alex Samuel <samuel@codesourcery.com>
9034 * ssa.c (convert_to_ssa): Eliminate dead code when calling
9036 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
9037 (for_each_successor_phi): Change parameter to basic_block.
9038 (coalesce_regs_in_successor_phi_nodes): Likewise.
9039 (coalesce_regs_in_copies): Likewise.
9040 (compute_coalesced_reg_partition): Use basic_block instead of index.
9041 * rtl.h (convert_to_ssa): Delete.
9042 (convert_from_ssa): Likewise.
9043 (successor_phi_fn): Likewise.
9044 (for_each_successor_phi): Likewise.
9045 (in_ssa_form): Likewise.
9046 * basic-block.h (convert_to_ssa): Moved from rtl.h.
9047 (convert_from_ssa): Likewise.
9048 (successor_phi_fn): Likewise.
9049 (in_ssa_form): Likewise.
9050 (for_each_successor_phi): Likewise. Change parameter to basic_block.
9051 * flow.c (calculate_global_regs_live): Pass a basic_block to
9052 for_each_successor_phi.
9054 2000-04-08 Richard Henderson <rth@cygnus.com>
9056 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
9057 was modified in the current insn.
9059 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
9061 * arm/thumb.md: Delete.
9062 * arm/thumb-protos.h: Delete.
9064 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
9066 Merge changes from merged-arm-thumb-backend-branch onto trunk.
9068 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
9070 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
9073 * arm.md (nop): Use the standard RTL expression. Don't code as a
9075 (*arm_nop, *thumb_nop): Delete.
9077 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
9078 constants. Use casts instead.
9079 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
9080 output_multi_immediate, arm_poke_function_name): Likewise.
9081 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
9082 MASK_RETURN_ADDDR): Likewise.
9084 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
9086 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
9089 * arm.md (eh_epilogue): New function.
9090 * arm.h (struct machine_function): Move to here ...
9091 * arm.c: ... from here.
9092 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
9093 (thumb_exit): Extra parameter eh_ofs. All callers changed.
9094 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
9096 2000-03-30 Nick Clifton <nickc@cygnus.com>
9098 * config/arm/semi.h (ASM_SPEC): Restore definition.
9099 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
9101 * config/arm/elf.h (ASM_SPEC): Restore definition.
9102 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
9104 * config/arm/arm.h (ASM_SPEC): Remove definition.
9105 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
9107 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9109 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
9111 2000-03-24 Nick Clifton <nickc@cygnus.com>
9113 Various formating tidyups, elimination of compile time
9114 warnings and synchronisation with internal sources:
9116 * config/arm/arm-protos.h (assemble_align): Add prototype.
9117 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
9118 (gen_comapre_reg): Rename to arm_gen_compare_reg.
9119 (arm_return_addr_rtx): Rename to arm_return_addr.
9121 * config/arm/arm.c: Include except.h.
9122 Define shorter typenames for strict minipool_node and struct
9124 (arm_return_in_memory): For WinCE return all structures <= 32 bits
9126 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
9127 (gen_comapre_reg): Rename to arm_gen_compare_reg.
9129 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
9131 (ASM_SPEC): Define if not already defined.
9132 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
9134 * config/arm/arm.md: Rename references to gen_rotated_half_load to
9135 arm_gen_rotated_half_load, and references to gen_comapre_reg to
9136 arm_gen_compare_reg.
9137 (indirect_jump): Only accept register operands.
9138 (load_indirect_jump): Keep this pattern since combine can generate
9141 * config/arm/coff.h: Include aout.h.
9142 (MULTILIB_DEFAULTS): Only define if not already defined.
9144 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
9145 into arm.h (so that COFF ports can support thumb based aliases).
9146 (ASM_SPEC): Move definition into arm.h
9148 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
9149 redundant apcs spec.
9150 (ASM_SPEC): Move definition to arm.h
9152 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
9154 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
9155 for entries in the .bss section
9157 2000-03-23 Nick Clifton <nickc@cygnus.com>
9159 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
9160 to thumb_far_jump_used_p.
9162 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
9163 single integer parameter.
9165 * config/arm/arm.c (struct machine_function): Add two new
9166 fields, 'far_jump_used' and 'arg_pointer_live'.
9167 (thumb_far_jump_used_p): Once the decision has been made that
9168 far jumps might be used, always return true.
9169 If being called from the initial elimination offset macro then
9170 do not bother to perform the test if the arg pointer is not
9172 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
9173 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
9175 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
9177 * arm.c (output_return_instruction): Handle more cases where we can
9178 return from a function with an ldr instruction.
9179 (arm_output_epilogue): Likewise.
9181 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
9182 if we need to push a large stack frame and there are no callee-saved
9185 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
9186 in ARM code if the frame pointer has been eliminated.
9188 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
9189 unspec_volatile arguments to avoid duplicates.
9190 (consttable_1, consttable_2): Fixes for big-endian mode.
9192 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
9195 Re-write constant pool code.
9196 * arm.c (minipool_node, minipool_fix): New types.
9197 (minifix): Delete type.
9198 (arm_add_minipool_constant): Delete.
9199 (arm_compute_minipool_offsets, arm_find_barrier,
9200 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
9201 (get_jump_table_size): Now returns HOST_WIDE_INT.
9202 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
9204 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
9205 (assign_minipool_offsets, arm_print_value): Likewise.
9206 (dump_minipool): Rewrite.
9207 (arm_barrier_cost): New function.
9208 (create_fix_barrier): New function.
9209 (push_minipool_barrier): New function.
9210 (push_minipool_fix): Record additional information about the fixup
9212 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
9213 check the mode of what needs fixing.
9214 (arm_reorg): Rewrite.
9216 2000-03-08 Nick Clifton <nickc@cygnus.com>
9218 * config/arm/arm.md (indirect_jump): Force constant addresses into
9221 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
9223 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
9225 2000-02-24 Nick Clifton <nickc@cygnus.com>
9227 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
9228 adjust is word aligned.
9229 (thumb_expand_epilogue): Make sure that stack adjust is word
9232 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
9234 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
9236 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
9237 pointer relative addresses.
9239 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
9241 * arm.c (find_barrier): Find the last barrier within the allowed
9244 2000-02-09 Nick Clifton <nickc@cygnus.com>
9246 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
9248 2000-02-09 Nick Clifton <nickc@cygnus.com>
9250 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
9251 ARM_FUNCTION_PROFILER.
9253 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
9254 ARM_FUNCTION_PROFILER.
9256 * config/arm/linux-oldld.h: Imported from mainline sources.
9258 2000-02-07 Nick Clifton <nickc@cygnus.com>
9260 * config/arm/lib1funcs.asm: Merge in thumb functions from
9263 * config/arm/lib1thumb.asm: Delete.
9265 2000-02-04 Nick Clifton <nickc@cygnus.com>
9267 * config/arm/arm.c: Sychronised with current Red hat local
9269 * config/arm/arm.h: Ditto.
9270 * config/arm/arm-protos.h: Ditto.
9272 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
9274 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
9276 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
9279 2000-02-02 Nick Clifton <nickc@cygnus.com>
9281 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
9283 * config/arm/arm.md (epilogue): Fix rtl checking abort because
9284 (return) was emited using an emit_insn() call.
9286 2000-01-31 Nick Clifton <nickc@cygnus.com>
9288 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
9290 (thumb_exit): Move frame pointer back into hard frame pointer
9291 register if backtracing is being used.
9293 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
9295 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
9298 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
9300 * config/arm/arm.md (neg_pool_offset): Provide default for new
9302 (arm_movsi_insn): Add neg_pool_offset attribute.
9303 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
9304 rtx for the insn that starts the scan and an unsigned long for its
9305 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
9306 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
9307 instructions in *PINSERTED.
9308 (struct minipool_fixup): Add MIN_ADDRESS elt.
9309 (sort_fixups): Compute it.
9310 (arm_reorg): Changes to support inserting pools before the insn to be
9313 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
9315 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
9316 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
9317 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
9319 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
9321 * config/arm/semi.h (TARGET_VERSION): Do not define if already
9323 (TARGET_DEFAULT): Do not define if already defined.
9325 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
9327 * config/arm/arm.md (anddi3): Allow disjoint source operands.
9328 (iordi3): Allow disjoint source operands.
9329 (xordi3): Allow disjoint source operands.
9330 (negdi2): Permit construction for ARM and Thumb.
9331 (arm_negdi2): Renamed version of old negdi2 pattern.
9332 (thumb_negdi2): New pattern: Only permit non-overlapping
9333 source and destination.
9335 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
9337 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
9338 scratch low register so that it will not be deleted.
9340 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
9342 * config/arm/pe.h (ARM_PE): Define.
9344 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
9345 interfacearm attribute if this is a PE toolchain.
9346 (output_return_instruction): Do not emit anything if the function
9347 has the naked attribute set.
9348 (is_called_in_ARM_mode): If the function has the interfacearm
9349 attribute then return true.
9350 (thumb_expand_prologue): Do not generate a prologue for naked
9352 (thumb_expand_epilogue): Do not generate an epilogie for a naked
9354 (output_thumb_prologue): Do not bother if the function is naked.
9355 Strip PE encoding from function name before emitting.
9357 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9359 * arm.md (pic_load_addr): Fix constraints.
9361 * arm.md (casesi_insn): Fix mis-applied patch.
9363 * arm.md ("core" function unit): Add rules for single- and
9365 (All TARGET_THUMB patterns): Add "type" attribute information
9367 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
9368 the following insn is a CALL.
9370 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
9372 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
9373 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
9374 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
9376 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
9378 * config/arm/linux-gas.h: oops - this file was missed out when the
9379 branch was created...
9381 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
9383 * thumb.c: Deleted. Move contents to ...
9385 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
9387 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
9390 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
9391 declare a prototype for asm_output_align();
9393 * arm.c (thumb_condition_code): Delete.
9394 (arm_print_operand): Always use arm_condition_code array.
9396 * arm.c (thumb_return_addr_rtx): Delete.
9397 (arm_save_machine_status, arm_restore_machine_status): Delete.
9398 (arm_init_machine_status, arm_mark_machine_status): New functions.
9399 (arm_init_expanders): Update accordingly.
9400 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
9401 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
9402 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
9404 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
9406 * configure.in : Fix arm-*-aout target to use new t-arm-aout
9408 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
9411 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
9413 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
9414 stack backtrace structure.
9416 * config/arm/arm-protos.h: Add prototypes for functions defined in
9419 * config/arm/arm.c (arm_override_options): Fix selection of
9420 attributes of default processor.
9422 * config/arm/coff.h: Delete needless #include.
9424 * config/arm/pe.c: Delete unused code.
9426 * config/arm/pe.h (CPP_DEFINES): Delete
9427 (SUBTARGET_CPP_SPEC): Define.
9428 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
9430 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
9432 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
9434 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
9436 (CAN_DEBUG_WITHOUT_FP): Define.
9437 (FIXED_REGISTERS): Make r11 call-saved.
9438 (CALL_USED_REGISTERS): Likewise.
9439 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
9440 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
9441 frame-pointer is required.
9442 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
9443 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
9444 if the target normally needs a stack frame in non-leaf functions.
9445 (use_return_insn): Correct logic for determining when a return
9446 instruction can be used.
9447 (output_return_instruction): Handle the frame-pointer register as
9448 a normal register when not TARGET_APCS_FRAME.
9449 (arm_output_prologue): Likewise.
9450 (arm_output_epilogue): Likewise.
9451 (output_func_epilogue): Likewise.
9452 (arm_expand_prologue): Likewise.
9453 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
9455 * arm.c (use_return_insn): No need to check floating point regs if
9457 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
9458 the code of value stored in the minipool array.
9459 (arm_add_minipool_constant): Likewise.
9461 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9463 * basic-block.h (conflict_graph_enum_fn): K&R fix.
9465 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9467 * tree.c (tree_expr_nonnegative_p): New function.
9469 * tree.h (tree_expr_nonnegative_p): Declare.
9471 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
9472 elide some sign_compare warnings.
9473 (build_conditional_expr): Likewise.
9475 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
9477 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
9479 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
9480 * i386.c (print_operand): Use the proper suffix for a 387 HImode
9481 operand. Abort if a 387 operand has an unsupported size.
9483 2000-04-08 Neil Booth <NeilB@earthling.net>
9485 * cppexp.c (parse_charconst): Null does not end character
9487 * cppinit.c (ISTABLE): Null character handled as whitespace.
9488 * cpplex.c (null_warning): new function.
9489 (skip_string): Emit warning if nulls encountered.
9490 (_cpp_skip_hspace): Emit warning if nulls encountered.
9491 (_cpp_lex_token): Emit warning if nulls encountered. Drop
9495 2000-04-07 Richard Henderson <rth@cygnus.com>
9497 * flow.c (loop_depth): Remove.
9498 (reg_next_use, cc0_live, mem_set_list): Replace with ...
9499 (struct propagate_block_info): New.
9500 (life_analysis): Don't allocate reg_next_use.
9501 (propagate_block_delete_insn): Break out of propagate_block.
9502 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
9503 (propagate_block_delete_libcall): Likewise.
9504 (propagate_block): Create a propagate_block_info struct to pass
9505 to subroutines. Allocate one not two temporary regsets. Don't
9506 clobber memory for const calls. Look for clobbers in
9507 CALL_INSN_FUNCTION_USAGE.
9508 (mark_set_regs): Recognize COND_EXEC.
9509 (mark_set_reg): Break out of mark_set_1.
9510 (mark_used_reg): Break out of mark_used_regs.
9511 (mark_used_regs): Recognize COND_EXEC.
9512 (insn_dead_p): Use propagate_block_info struct.
9513 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
9514 (find_auto_inc, try_pre_increment_1): Likewise.
9515 (print_rtl_with_bb): Dump regs live at end too.
9516 (count_reg_sets_1): Pass in loop_depth.
9517 (count_reg_sets, count_reg_references): Likewise.
9518 (recompute_reg_usage): Provide it.
9520 2000-04-07 Richard Henderson <rth@cygnus.com>
9522 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
9525 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
9527 * cpplib.c (do_elif): Skip the rest of the line if we're
9528 not going to bother evaluating it.
9529 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
9530 to avoid pointless calls to the lexer.
9532 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
9534 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
9536 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
9538 * calls.c (expand_call): emit_queue if we're trying a sibcall.
9540 2000-04-07 Jakub Jelinek <jakub@redhat.com>
9542 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
9544 2000-04-06 Geoff Keating <geoffk@cygnus.com>
9546 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
9547 crtend so they can be multilibbed.
9548 (STAGESTUFF): Remove s-crt and s-crtS.
9550 2000-04-07 Richard Henderson <rth@cygnus.com>
9552 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
9553 if we discover we need a pseudo and no_new_pseudos is true.
9554 * config/alpha/alpha.md (ne:DI insn): New.
9555 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
9557 2000-04-07 Richard Henderson <rth@cygnus.com>
9559 * rtl.def (COND_EXEC): New.
9560 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
9561 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
9563 * genconfig.c (have_cond_arith_flag): Remove.
9564 (have_cond_exec_flag): New.
9565 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
9566 (main): Print HAVE_conditional_execution.
9568 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
9569 (sched_analyze_insn, print_pattern): Likewise.
9570 * reload.c (find_equiv_reg): Likewise.
9571 * rtlanal.c (reg_referenced_p): Likewise.
9572 (note_stores, dead_or_set_regno_p): Likewise.
9573 (reg_overlap_mentioned_p): Rewrite to use a switch.
9575 * ggc.h (struct rtx_def): Forward declare.
9577 * print-rtl.c (debug_rtx_range): New.
9578 * rtl.h (debug_rtx_range): Declare.
9580 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
9582 * gcse.c (gcse_main): Don't rebuild the CFG here.
9583 (delete_null_pointer_checks): Likewise.
9584 * ssa.c (convert_to_ssa): Likewise.
9585 * toplev.c (rest_of_compilation): Do it here instead. Combine
9586 sequential calls to TIMEVAR. Consistently use `insns' instead of
9587 `get_insns()'. Always split insns after reload when optimizing.
9589 * basic-block.h (merge_blocks_nomove): Declare.
9590 (tidy_fallthru_edge): Declare.
9591 * flow.c (merge_blocks_nomove): Document as merging into previous
9592 blocks. Remove cruft from between blocks; remove all edges out of A.
9593 (tidy_fallthru_edge): Export.
9595 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9597 * ssa.c (compute_conservative_reg_partition): Declare with
9599 * toplev.c (clean_dump_file): Remove previously-deleted function
9600 inadvertantly merged back in.
9601 * conflict.c (conflict_graph_add): Use a single call to
9602 htab_find_slot to look up and insert.
9604 2000-04-06 Richard Henderson <rth@cygnus.com>
9606 * genrecog.c (*): Rename _last_insn to last_insn.
9607 (make_insn_sequence): Set the position of the peephole2 C test
9608 to be at the last insn.
9610 2000-04-06 Richard Henderson <rth@cygnus.com>
9612 * flow.c (compute_flow_dominators): Free worklist.
9614 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
9616 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
9618 2000-04-06 Alex Samuel <samuel@codesourcery.com>
9620 * rtl.h (INSN_P): New macro.
9621 (successor_phi_fn): New typedef.
9622 (for_each_successor_phi): New prototype.
9623 (in_ssa_form): New variable.
9624 (PHI_NODE_P): Likewise.
9625 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
9626 phi nodes in successors.
9627 (mark_used_regs): Add PHI case.
9628 (set_phi_alternative_reg): New function.
9629 (life_analysis): Assert that dead code elimination is not selected
9631 * toplev.c (to_ssa_time): New variable.
9632 (from_ssa_time): Likewise.
9633 (compile_file): Zero to_ssa_time and from_ssa_time.
9634 Print time to convert to and from SSA.
9635 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
9636 (print_time): Compute percent fraction as integer.
9637 * ssa.c (PHI_NODE_P): Moved to rtl.h.
9638 (convert_to_ssa): Check if we're already in SSA.
9639 Don't eliminate dead code in life_analysis.
9640 Rerun flow and life analysis at bottom.
9641 (eliminate_phi): Use canonical regnos when adding nodes.
9642 (mark_reg_in_phi): New function.
9643 (mark_phi_and_copy_regs): Likewise.
9644 (convert_from_ssa): Rerun life analysis at top.
9645 Use coalesced partition.
9646 Check for removing a phi node at the end of the block.
9647 (compute_coalesced_reg_partition): New function.
9648 (coalesce_regs_in_copies): Likewise.
9649 (coalesce_reg_in_phi): Likewise.
9650 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
9651 (for_each_successor_phi): Likewise.
9652 (rename_context): New struct.
9653 (rename_block): Use a rename_context with rename_insn_1. When
9654 renaming sets of a subreg, emit a copy of the entire reg first.
9655 (rename_insn_1): Treat data as a rename_context *. Save current
9657 (rename_set_data): Add field set_insn.
9658 * Makefile.in (HASHTAB_H): Move up in file.
9659 (OBSTACK_H): New macro.
9660 (collect2.o): Use OBSTACK_H in dependencies.
9661 (sdbout.o): Likewise.
9662 (emit-rtl.o): Likewise.
9663 (simplify-rtx.o): Likewise.
9664 (fix-header.o): Likewise.
9665 (OBJS): Add conflict.o.
9666 (conflict.o): New rule.
9667 * basic-block.h: Include partition.h.
9668 (conflict_graph): New typedef.
9669 (conflict_graph_enum_fn): Likewise.
9670 (conflict_graph_new): New prototype.
9671 (conflict_graph_delete): Likewise.
9672 (conflict_graph_add): Likewise.
9673 (conflict_graph_conflict_p): Likewise.
9674 (conflict_graph_enum): Likewise.
9675 (conflict_graph_merge_regs): Likewise.
9676 (conflict_graph_print): Likewise.
9677 (conflict_graph_compute): Likewise.
9678 * conflict.c: New file.
9680 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
9682 * tlink.c (read_repo_files): Don't look for .rpo info for
9685 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9687 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
9689 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9691 * config/sh/lib1funcs.asm (___udivsi3_i4):
9692 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
9693 only depends on FMOVD_WORKS.
9695 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9697 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
9698 make double constant 8-byte aligned.
9700 2000-04-06 Jakub Jelinek <jakub@redhat.com>
9702 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
9703 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
9704 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
9705 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
9706 Accept storing GENERAL_REGS into offsetable memory.
9707 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
9708 building a TFmode constant other than 0.0L into GENERAL_REGS.
9710 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
9712 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
9714 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
9716 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
9717 (macro_cleanup): No need to cast pbuf->macro.
9718 (collect_expansion): Use _cpp_get_define_token. Goto done if
9719 it returns VSPACE. Remove check for trailing space after
9721 (_cpp_create_definition): Don't diddle flags here. Return
9723 (unsafe_chars): Handle c1 being EOF.
9724 (push_macro_expansion): Use unsafe_chars for both accidental-paste
9725 checks. Don't push the buffer till after we're done with
9727 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
9728 (PEEKN, FORWARD, GETC, PEEKC): Use them.
9729 (cpp_push_buffer): Don't set new->alimit. Set new->mark
9731 (_cpp_parse_assertion): Don't NUL terminate.
9732 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
9733 hspace before calling _cpp_parse_assertion. Remove all sets
9734 of only_seen_white. Treat '\f' as hspace. Don't do anything
9735 special with '\n' here.
9736 (maybe_macroexpand): Handle T_EMPTY hash entries without
9737 pushing a buffer at all.
9738 (cpp_get_token): Handle clearing only_seen_white here. Handle
9739 incrementing the line number here. Clear
9740 potential_control_macro as well as only_seen_white, if
9742 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
9743 (_cpp_get_define_token): New function, basically like
9744 _cpp_get_directive_token was but doesn't eat horizontal space.
9745 Don't do anything with only_seen_white here.
9746 (_cpp_get_directive_token): Just call _cpp_get_define_token
9747 repeatedly till it returns non-hspace.
9749 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
9750 (conditional_skip, skip_if_group): Return int.
9751 (DIRECTIVE_TABLE): Change origin of all conditional directives
9753 (TRAD_DIRECT_P): New macro.
9754 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
9755 an error for a bogus directive, unless -lang-asm. Use
9756 TRAD_DIRECT_P. Loop calling handler functions till one returns
9758 (get_macro_name): Don't diddle flags here.
9759 (do_define): Diddle flags here. Use _cpp_get_directive_token.
9760 Create T_EMPTY nodes for #define macro /* nothing */.
9761 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
9762 Use hp->name when calling pass_thru_directive.
9763 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
9764 Return the result of conditional_skip and/or skip_if_group.
9765 Don't call _cpp_output_line_command.
9766 (consider_directive_while_skipping): Use _cpp_get_directive_token.
9767 Issue -Wtraditional warnings as appropriate. Don't complain
9768 about unrecognized directives. If we are to stop skipping,
9769 return the number of the directive that ended the skip.
9770 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
9771 expansion and line commands while skipping. Return the result
9772 of consider_directive_while_skipping, if nonzero.
9773 (do_endif): Just set potential_control_macro here.
9774 (validate_else): Use _cpp_get_directive_token.
9775 (do_assert, do_unassert): Don't save pointers into the
9776 token_buffer across calls to the lexer. Use
9777 _cpp_get_directive_token.
9779 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
9780 pointer, not an offset. Replace 'data', which was a generic
9781 pointer, with 'macro', which points to a struct hashnode.
9782 (cpp_reader): Add 'potential_control_macro' pointer.
9783 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
9784 (CPP_BUF_GET, CPP_FORWARD): Delete.
9785 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
9786 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
9787 ACTIVE_MARK_P): Update.
9788 (_cpp_get_define_token): New internal function.
9789 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
9791 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
9793 * configure.in: And here.
9794 * configure: Regenerate.
9795 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
9796 --enable-libstdcxx-v3 is passed at configure time.
9797 * config.h.in: Regenerate.
9799 2000-04-05 Mark Mitchell <mark@codesourcery.com>
9801 * final.c (final): Use xcalloc to allocate line_note_exists.
9802 * function.c (free_after_compilation): Free the temp_slots.
9803 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
9804 (combine_temp_slot): Free temp_slots when they get combined.
9805 (purge_addressof): Fix typo in comment.
9806 * stmt.c (mark_goto_fixup): Mark the fixup itself.
9807 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
9809 * ggc.h: Include varray.h.
9810 (ggc_pending_trees): Declare.
9811 (ggc_mark_tree_children): Remove declaration.
9812 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
9813 * ggc-common.c (ggc_pending_trees): New variable.
9814 (ggc_mark_roots): Call ggc_mark_trees.
9815 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
9816 the ggc_pending_trees.
9817 * Makefile.in (GGC_H): New variable. Use it throughout in place
9820 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9822 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
9825 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
9827 * sh.c (sh_insn_length_adjustment): New function.
9828 * sh-protos.h (sh_insn_length_adjustment): Declare.
9829 * sh.h (ADJUST_INSN_LENGTH): Use it.
9831 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
9833 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
9834 from the insn where REG_RETVAL is added.
9835 (emit_no_conflict_block): Ditto.
9837 * md.texi (Standard Names): Clarify when movX is needed.
9839 * combine.c (simplify_comparison) [MINUS]: Do not replace
9840 all (op (minus A B) 0) with (op A B).
9842 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
9843 J"orn Rennecke <amylaar@cygnus.co.uk>
9845 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
9846 (block_lump_real): Likewise.
9848 2000-04-05 Chris Demetriou <cgd@netbsd.org>
9850 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
9851 remaining non-zero debugging masks.
9853 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
9855 * basic-block.h (verify_flow_info): Declare.
9856 (flow_loop_outside_edge_p): Declare.
9857 * flow.c (verify_flow_info): Remove declaration.
9858 (clear_log_links, flow_loop_outside_edge_p): Likewise.
9860 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
9862 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
9865 2000-04-05 Jakub Jelinek <jakub@redhat.com>
9867 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
9868 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
9869 seqdi_zero_trunc+1): Allow splits only if registers are
9872 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
9874 * acconfig.h: Add HAVE_GAS_HIDDEN.
9875 * config.in: Regenerated.
9876 * configure.in: Add test for .hidden pseudo-op in gas.
9877 * configure: Regenerated.
9878 * crtstuff.c: Include auto-host.h.
9879 Emit additional .hidden pseudo-op for __dso_handle if the
9880 assembler knows about it.
9882 2000-04-04 Philippe De Muyter <phdm@macqel.be>
9884 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
9885 before freeing argnames.
9886 * cpplib.c (do_ifndef): Cast return value of xstrdup.
9888 2000-04-05 Michael Meissner <meissner@redhat.com>
9890 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
9891 Walton <jonboy@gordian.com> to make memory references with update
9892 work wtih -mregnames.
9894 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9896 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
9897 (regrename_optimize): Rename variables `def_uses' and
9898 `ext_basic_blocks' to avoid conflicts with similarly named
9899 typedefs in traditional C.
9901 * calls.c (initialize_argument_information): Fix typo in previous
9904 2000-04-04 Richard Henderson <rth@cygnus.com>
9906 * regrename.c (consider_available): Test fixed_regs not
9907 PIC_OFFSET_TABLE_REGNUM.
9909 2000-04-04 Geoff Keating <geoffk@cygnus.com>
9911 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
9913 (CRTSTUFF_T_CFLAGS_S): Delete definition.
9914 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
9915 (ENDFILE_LINUX_SPEC): Always use crtend.
9916 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
9917 (powerpc-*-linux-gnu): Likewise.
9918 * configure: Regenerate.
9920 * config/rs6000/eabi.h: Don't include sysv4.h.
9921 (MULTILIB_DEFAULTS): Don't define.
9922 * config/rs6000/eabiaix.h: Don't include eabi.h.
9923 * config/rs6000/eabile.h: Delete.
9924 * config/rs6000/eabilesim.h: Delete.
9925 * config/rs6000/eabisim.h: Don't include eabi.h.
9926 * config/rs6000/linux.h: Don't include sysv4.h.
9927 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
9928 (MULTILIB_DEFAULTS): Don't redefine.
9929 * config/rs6000/rtems.h: Don't include eabi.h.
9930 * config/rs6000/sol2.h: Don't include sysv4le.h.
9931 * config/rs6000/sysv4le.h: Don't include sysv4.h.
9932 * config/rs6000/t-ppc: Delete.
9933 * config/rs6000/t-ppcgas: Correct comment.
9934 * config/rs6000/t-ppcos: Correct comment. Don't build
9935 multilibs for -fPIC, rather use -fPIC -mstrict-align
9937 * config/rs6000/t-ppc: Delete.
9938 * config/rs6000/vxppc.h: Don't include sysv4.h.
9939 * config/rs6000/vxppcle.h: Delete.
9940 * configure.in: Use multiple header files for p2pc ELF targets
9941 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
9942 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
9943 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
9944 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
9945 always available for these platforms.
9947 2000-04-04 Richard Henderson <rth@cygnus.com>
9949 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
9951 2000-04-04 Stan Cox <scox@cygnus.com>
9953 * Makefile.in: Add rules for regrename.o
9954 * regrename.c: New file.
9955 * rtl.h (regrename_optimize): Add prototype.
9956 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
9957 (compile_file, decode_d_option): Add support for -frename-registers.
9958 (rest_of_compilation): Call regrename_optimize.
9959 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
9962 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9964 * Makefile (gccbug): New target.
9965 (doc): Depend on it.
9966 * gcc.texi (Bugs): Link subnodes.
9968 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
9969 Document severities, priorities, and classes in bug form.
9971 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
9973 * cpplex.c (trigraph_map, speccase): Combine into single
9975 (NORMAL, NONTRI): New macros.
9976 (_cpp_read_and_prescan): Change to use unified table. Use
9977 is_hspace to test for whitespace.
9979 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
9980 definition that doesn't provoke the "empty body in an
9981 if-statement" warning.
9983 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
9985 * builtins.c (expand_builtin_strlen): Force the source to
9986 be a memory address.
9988 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9990 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
9992 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
9994 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
9995 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
9996 (ECF_IS_CONST): Rename to ECF_CONST.
9997 (special_function_p): Make static, change interface.
9998 (flags_from_decl_or_type, try_to_integrate): Break out from ...
9999 (expand_call) ... here; convert number of variables to flags.
10000 (emit_library_call_vlue_1): Likewise.
10001 (setjmp_call_p): New function.
10002 (initialize_argument_information): Accepts flags as argument;
10004 (precompute_arguments): Likewise.
10005 * tree.h (special_function_p): Remove.
10006 (setjmp_call_p): Add prototype.
10008 2000-04-04 Jakub Jelinek <jakub@redhat.com>
10010 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
10011 so that addresses are offsetable by up to 16 bytes.
10012 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
10013 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
10016 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
10017 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
10018 (movsf): Don't force any constant to memory if target is integer
10020 Move fp_zero_operand check below the const0_rtx check.
10021 (movtf): Likewise. Also allow fp_zero_operand for stores into
10023 (movdf): Likewise. Also allow fp_zero_operand for stores into
10024 memory and into integer hard registers.
10025 (clear_df, clear_dfp, movdf_const_intreg_sp32,
10026 movdf_const_intreg_sp64): Remove.
10027 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
10029 (movdf_no_e_insn_v9_sp32): New pattern.
10030 (movdf_insn_v9only): Remove.
10031 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
10032 (movdf_insn_sp64): Remove.
10033 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
10034 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
10035 (following splits): Rewrite conditions. Add two new splits
10036 for storing 0.0 into memory and registers.
10037 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
10038 (movtf_insn_sp32): Redo constraints and conditions.
10039 (movtf_insn_vis_sp32): New pattern.
10040 (movtf_no_e_insn_sp32): Redo constraints and conditions.
10041 (movtf_insn_hq_sp64): Likewise.
10042 (movtf_insn_hq_vis_sp64): New pattern.
10043 (movtf_insn_sp64): Redo constraints and conditions.
10044 (movtf_insn_vis_sp64): New pattern.
10045 (movtf_no_e_insn_sp64): Redo constraints and conditions.
10046 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
10048 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
10049 -mvis or -m64 to take down the number of various reload patterns.
10051 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
10053 * pa/pa-64.h: New file.
10054 * pa/pa64-regs.h: New file.
10055 * pa/pa64-start.h: New file.
10056 * pa/t-pa64: New file.
10057 * pa/xm-pa64hpux.h: New file.
10059 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10061 * sparc.c (output_restore_regs): Prototype.
10062 (sparc_emit_float_lib_cmp): Constification.
10064 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
10066 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
10069 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
10070 (get_value_hash, hash_rtx): Likewise.
10072 * ssa.c (compute_conservative_reg_partition): Prototype.
10074 * tree.c (mark_hash_entry): Prototype.
10076 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
10078 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
10079 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
10080 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
10082 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
10083 * objc/lang-specs.h: Likewise.
10085 2000-04-03 Neil Booth <NeilB@earthling.net>
10087 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
10088 and SYNTAX_ERROR2. Replace `' in messages with ''.
10089 (op_to_str): Make re-entrant.
10090 (_cpp_parse_expr): Implement new error macros. Use | rather
10091 than || to logically or 2 boolean integers. Simply expression
10092 checking we have a left operand iff needed.
10094 2000-04-03 Nick Clifton <nickc@cygnus.com>
10096 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
10098 2000-04-03 Philip Blundell <philb@gnu.org>
10100 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
10102 2000-04-03 Felix Lee <flee@cygnus.com>
10104 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
10105 (run_shell): Use it.
10107 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
10109 * Makefile.in (stmp-int-hdrs): Make include subdir here...
10110 (stmp-fixproto): ...rather than here.
10112 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
10114 * pa.c (print_operand): Compute 'base' only inside the code paths
10117 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
10119 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
10122 2000-04-03 Philipp Thomas <pthomas@suse.de>
10124 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
10126 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
10128 * Makefile.in (alias.o): Depend on $(TREE_H).
10130 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
10132 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
10134 * cpplib.c (_cpp_handle_directive): Improve warnings for
10135 traditional C and indented directives.
10137 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
10138 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
10139 fixinc/inclhack.def: Indent the # of #include_next one space.
10140 * cp/rtti.c: Un-indent #if and #endif.
10142 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
10143 syntax error, but an error has already been printed.
10144 * cpplex.c (_cpp_parse_assertion): Give a more specific error
10145 message when called with nothing remaining on the line.
10146 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
10147 OTHER token, not an ASSERTION.
10148 * cpplib.c (do_assert): When we create a 'base' node, clear
10149 its aschain pointer.
10151 2000-04-02 Neil Booth <NeilB@earthling.net>
10153 * cppexp.c: New typedef op_t. struct operation and struct
10154 token updated to use it.
10155 (op_to_str): New function.
10156 (_cpp_parse_expr): Error messages modified to use op_to_str.
10158 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10160 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
10161 before checking MUST_PASS_IN_STACK.
10163 2000-04-02 Neil Booth <NeilB@earthling.net>
10165 * cppexp.c: New FINISHED dummy token. Combine operator initial
10166 flags and initial priority into a single constant. New
10167 EQUALITY macro. New operator flag SHORT_CIRCUIT.
10168 (_parse_cpp_expr): Implement new constants. Take left operand
10169 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
10170 parse indicated by reducing FINISHED token. Remove new lines
10171 from cpp_error messages.
10173 2000-04-01 Mark Mitchell <mark@codesourcery.com>
10175 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
10178 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
10180 * cpplib.c: Include symcat.h. Add 'origin' field to struct
10181 directive. Add origin values to DIRECTIVE_TABLE. Generate
10182 the strings and function names on the fly. Take the #sccs
10183 entry out of the table if SCCS_DIRECTIVE is not defined.
10184 (_cpp_handle_directive): Decide if the # was at the beginning
10185 of the line here. Issue -pedantic warnings for extended
10186 directives here. Warn about K+R directives with the #
10187 indented, and C89/extended directives with the # not indented,
10189 (do_import, do_include_next, do_warning, do_ident, do_sccs,
10190 do_assert, do_unassert): Don't issue pedantic warning here.
10192 * cpphash.h: Add CPP_WTRADITIONAL macro.
10193 * cpplib.h (struct cpp_options): Rename warn_stringify to
10194 warn_traditional; update comments.
10195 * cppinit.c (handle_option): Set warn_traditional not
10197 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
10198 CPP_WTRADITIONAL (pfile).
10199 * cpplex.c (_cpp_lex_token): Don't decide if directives should
10200 be ignored in -traditional mode here.
10202 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
10203 to initialize speccase[] and trigraph_map[]. Delete all
10204 references to pfile->input_speccase. Always treat '?' as a
10205 special character. Remove table-initialization code from
10206 _cpp_init_input_buffer.
10208 * cpplib.h (struct cpp_reader): Remove input_speccase field.
10209 * cppinit.c (cpp_cleanup): Don't free input_speccase.
10211 2000-04-01 Richard Henderson <rth@cygnus.com>
10213 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
10214 (mostlyclean): Likewise.
10216 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
10217 (struct dump_file_info, enum dump_file_index, dump_file): New.
10218 (open_dump_file): Take a dump_file_index not a suffix, and a decl
10219 not a string. Clean out file if we havn't yet done so. Do nothing
10220 if the dump isn't enabled.
10221 (close_dump_file): Do nothing if the dump isn't open. Dump
10222 graph data if requested.
10223 (dump_rtl, clean_dump_file): Remove.
10224 (compile_file): Don't clean the dump files. Only finalize .bp dump
10225 if flag_test_coverage or flag_branch_probabilities. Only finalize
10226 .combine dump if optimizing. Iterate over dump_file to finalize the
10228 (rest_of_compilation): Update for open_dump_file/close_dump_file.
10229 Convert all uses of dump_rtl.
10230 (decode_d_option): Iterate over dump_file to implement 'a' and to
10231 locate pass-specific dumps.
10233 2000-04-01 Neil Booth <NeilB@earthling.net>
10235 * cppexp.c: Redefine priority constants.
10236 (_cpp_parse_expr): Replace left and right priority scheme with
10237 single priority logic. Move LOGICAL to same place as COMPARE.
10238 Remove bogus check for multiple unary +/- operators.
10240 2000-04-01 Neil Booth <NeilB@earthling.net>
10242 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
10243 within the switch statement. Binary operations break out of
10244 the switch naturally. '(' tokens handled by forcing
10245 immediate shift. ')' handled by forcing immediate reduce to
10246 the previous '('. New error messages.
10248 2000-03-31 Geoff Keating <geoffk@cygnus.com>
10250 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
10251 part', it's already in use. Use %K instead. Add a return at the
10252 end of what is now %K.
10253 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
10255 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
10257 * builtins.c (expand_builtin_apply): Pass proper parameters to
10258 allocate_dynamic_stack_space.
10259 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
10260 update stack_pointer_delta; do not update arg_size_so_far.
10261 (compute_argument_block_size): Use stack_delta instead of
10262 stack_pointer_pending and arg_size_so_far.
10263 (expand_call): Add sanity checking for stack_pointer_delta;
10264 save and restore stack_pointer_delta for SIB, use
10265 stack_pointer_delta for alignment; do not update arg_space_so_far.
10266 (emit_library_call_value): Use stack_pointer_delta for alignment.
10267 (store_one_arg): Do not update arg_space_so_far.
10268 * explow.c (adjust_stack, anti_adjust_stack): Update
10269 stack_pointer_delta.
10270 (allocate_dynamic_stack_space): Add sanity checking for
10271 stack_pointer_delta.
10272 * expr.c (init_expr, clear_pending_stack_adjust): Clear
10273 stack_pointer_delta.
10274 (emit_push_insn): Update stack_pointer_delta.
10275 * function.h (struct expr_status): Add x_stack_pointer_delta;
10276 remove x_arg_space_so_far.
10277 (arg_space_so_far): Remove.
10278 (stack_pointer_delta): New macro.
10280 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
10282 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
10283 Reorder struct cpp_options and struct cpp_reader for better
10284 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
10285 takes two args. Change all 'char' flags to 'unsigned char'.
10286 Move show_column flag into struct cpp_options. Don't
10287 prototype cpp_options_init.
10288 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
10289 cppinit.c, cpplex.c, cpplib.c:
10290 Replace CPP_OPTIONS (pfile)->whatever with
10291 CPP_OPTION (pfile, whatever), and likewise for
10292 opts = CPP_OPTIONS (pfile); ... opts->whatever;
10294 * cppinit.c (merge_include_chains): Take a cpp_reader *.
10295 Extract CPP_OPTION (pfile, pending) and work with that
10297 (cpp_options_init): Delete.
10298 (cpp_reader_init): Turn on on-by-default options here.
10299 Allocate the pending structure here.
10300 (cl_options, enum opt_code): Define these from the same table,
10301 kept in a large macro. Add -fshow-column and -fno-show-column
10304 * cpperror.c (v_message): If show_column is off, don't print
10307 * cppmain.c: Update for new interface.
10308 * fix-header.c: Likewise.
10310 2000-03-30 Geoff Keating <geoffk@cygnus.com>
10312 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
10314 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
10315 are passed to any invocation of AR_FOR_TARGET.
10316 (AR_CREATE_FOR_TARGET): New macro.
10317 (AR_EXTRACT_FOR_TARGET): New macro.
10318 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
10319 AR_EXTRACT_FOR_TARGET.
10320 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
10321 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
10322 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
10323 AR_EXTRACT_FOR_TARGET to sub-makes.
10325 2000-03-31 Neil Booth <NeilB@earthling.net>
10327 * cppexp.c: Delete SKIP_OPERAND. Correct priority
10329 (_cpp_parse_expr): Check for multiple unary +/- operators.
10330 Correct priorities of ':' and '?'. Treat ')' as having a
10331 value. Ensure conditional expression is not void.
10333 2000-03-31 Mark Mitchell <mark@codesourcery.com>
10335 * alias.c (canon_rtx): Make it global.
10336 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
10338 * cse.c (struct table_elt): Add canon_exp.
10339 (insert): Clear it.
10340 (invalidate): Canonicalize expressions only once.
10341 * rtl.h (canon_rtx): Declare.
10343 2000-03-30 Mark Mitchell <mark@codesourcery.com>
10345 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
10346 * alias.c (reg_known_value): Add comments.
10347 (init_alias_analysis): Likewise.
10348 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
10350 (cse_basic_block): Fix typo in comment.
10351 * emit-rtl.c: Include hashtab.h.
10352 (const_int_htab): New variable.
10353 (const_int_htab_hash): New function.
10354 (const_int_htab_eq): Likewise.
10355 (rtx_htab_mark_1): Likewise.
10356 (rtx_htab_mark): Likewise.
10357 (gen_rtx_CONST_INT): Cache all CONST_INTs.
10358 (unshare_all_rtx): Fix formatting.
10359 (init_emit_once): Initialize const_int_htab.
10360 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
10362 * rtl.texi: Document the fact that all CONST_INTs with the same
10365 2000-03-30 Richard Henderson <rth@cygnus.com>
10367 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
10369 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
10371 * configure.in: Comment out --enable-c-cpplib stanza.
10372 * configure: Regenerate.
10374 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10376 * expr.c (store_constructor): Properly compute displacement and
10377 alignment when offset is variable.
10379 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
10380 cases of alignment in bytes.
10382 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
10384 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
10385 since it is used to generate c-parse.y.
10386 * objc-parse.c, objc-parse.y: Regenerated.
10388 * function.c (expand_function_end): Pass alignment argument to
10389 emit_block_move in bits, not bytes.
10391 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10393 * expr.c (move_by_pieces_ninsns): Fix one more missing align
10396 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
10398 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
10399 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
10400 * function.c (assign_parms): Likewise.
10401 * integrate.c (expand_inline_function): Likewise.
10402 * stmt.c (expand_decl): Likewise.
10403 (copy_rtx_and_substitute): Likewise.
10404 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
10405 (clear_by_pieces): Fix error in last change.
10406 * emit-rtl.c (init_emit): Set known registers alignment in bits.
10407 * function.h (regno_pointer_align): Now unsigned.
10408 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
10410 * config/i386/i386.c (aligned_operand): Likewise.
10411 * config/sparc/sparc.c (mem_min_alignment): Likewise.
10412 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
10413 (unaligned_memory_operand): Likewise.
10414 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
10415 Also make alignments and sizes unsigned and some whitespace cleanup.
10416 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
10418 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
10419 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
10420 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
10421 (expand_builtin_memset): Likewise, but to clear_storage.
10422 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
10423 (restore_fixed_argument_area): Likewise.
10424 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
10425 (load_register_parameters): Likewise, to emit_group_load.
10426 (expand_call): Likewise, to emit_group_store and emit_block_move.
10427 (emit_library_call_value_1): Likewise, to emit_block_move.
10428 (store_one_arg): Likewise, and to emit_push_insn.
10429 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
10430 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
10431 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
10432 (emit_block_move, emit_group_load, emit_group_store): Likewise.
10433 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
10434 (expand_assigment, store_expr, store_constructor_field): Likewise.
10435 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
10436 (store_constructor, store_field, get_inner_reference): Likewise.
10437 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
10438 (expand_expr, case COMPONENT_REF): Likewise.
10439 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
10440 and positions; reindent code.
10441 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
10442 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
10443 (assign_parms): Likewise to emit_group_store.
10444 * optabs.c (prepare_cmp_insn): Alignment is in bits.
10445 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
10446 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
10447 (expand_return): Likewise to {extract,store}_bit_field.
10448 * stor-layout.c (get_mode_alignment): Minor cleanup.
10449 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
10450 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
10452 2000-03-29 Nick Clifton <nickc@cygnus.com>
10454 * config/arm/arm.h: Undo effects of previous delta:
10455 (ASM_SPEC): Do not define.
10456 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
10458 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
10461 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10463 * cppinit.c (cpp_start_read): Call initialize_dependency_output
10464 only after reading in the primary source file.
10466 2000-03-29 Geoff Keating <geoffk@cygnus.com>
10468 * c-common.c (c_common_nodes_and_builtins): The first parameter to
10469 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
10470 or a reference to a va_list.
10471 * builtins.c (stabilize_va_list): Simplify now we don't have to
10472 work around C array address decay.
10473 * c-typeck.c (convert_for_assignment): Handle assignment to
10474 a reference parameter by taking the address of the RHS.
10475 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
10476 (va_copy): Likewise.
10477 (__va_copy): Likewise.
10478 * ginclude/varargs.h (va_start): Likewise.
10479 (__va_copy): Likewise.
10481 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
10483 * i386/djgpp.h: Remove extraneous "+".
10485 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
10487 * calls.c (expand_call): Fix typo in last change.
10489 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
10491 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
10494 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10496 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
10497 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
10498 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
10499 * tree.c (bit_position, byte_position): Likewise.
10500 * tree.h: Declare new functions.
10502 2000-03-29 Nick Clifton <nickc@cygnus.com>
10504 * config/arm/arm.c: Minor formatting changes/
10505 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
10507 (ASM_SPEC): Define if not already defined.
10509 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
10511 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
10514 2000-03-29 Jakub Jelinek <jakub@redhat.com>
10516 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
10517 value, don't output it as unsigned.
10519 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
10521 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
10523 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10525 * c-common.c (c_common_nodes_and_builtins): Don't special case
10526 cplus_mode when declaring builtin bzero/bcmp, always avoid
10527 prototype arguments.
10529 2000-03-29 Bruce Korb <bkorb@gnu.org>
10531 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
10534 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
10536 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
10537 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
10538 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
10539 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
10540 (save_fixed_argument_area, restore_fixed_argument_area):
10541 conditionize by #ifdef REG_PARM_STACK_SPACE only.
10542 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
10543 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
10544 (precompute_register_parameters): Avoid #ifdefs on
10545 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
10546 (stire_one_args): Likewise.
10547 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
10548 (emit_library_call_value_1): Likewise.
10549 (compute_argument_block_size): Align to STACK_BOUNDARY only for
10550 ACCUMULATE_OUTGOING_ARGS.
10551 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
10553 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
10554 (use_crosses_set_p): Likewise.
10555 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
10556 #define ACCUMULATE_OUTGOING_ARGS 1.
10557 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
10559 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
10561 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
10562 (TARGET_SWITCHES): Add push-args, no-push-args,
10563 accumulate-outgoing-args and no-accumulate-outgoing-args.
10564 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
10565 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
10566 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
10568 (emit_push_insn): Likewise.
10569 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10570 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
10571 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
10572 (STACK_DYNAMIC_OFFSET): Define correctly for both
10573 ACCUMULATE_OUTGOING_ARGS and normal mode.
10574 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
10575 * tm.texi (PUSH_ARGS): Document.
10576 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
10578 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
10580 * flags.h (flag_optimize_sibling_calls): Declare.
10581 * calls.c (expand_call): Fail sibcall when
10582 !flag_optimize_sibling_calls
10583 * invoke.texi (flag_optimize_sibling_calls): Document.
10584 * toplev.c (flag_optimize_sibling_calls): New global variable.
10585 (f_options): Add flag_optimize_sibling_calls.
10586 (rest_of_compilation): Conditionize
10587 optimize_sibling_and_tail_recursive_calls by
10588 flag_optimize_sibling_calls.
10589 (main): Set flag_optimize_sibling_calls for -O2.
10590 * stmt.c (expand_return): Conditionize tail recursion by
10591 flag_optimize_sibling_calls.
10593 2000-03-29 Richard Henderson <rth@cygnus.com>
10595 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
10596 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
10598 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
10600 * except.c (add_eh_table_entry): Mark type_info's as referenced.
10602 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10604 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
10606 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
10607 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
10608 * config/rs6000/aix.h: then modified likewise.
10610 2000-03-28 Richard Henderson <rth@cygnus.com>
10612 * rtl.h: Redistribute enum reg_note documentation.
10613 Kill trailing whitespace.
10614 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
10615 Kill trailing whitespace.
10617 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
10619 * cppfiles.c (hash_IHASH): Just return i->hash.
10620 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
10621 htab_find_with_hash.
10622 (cpp_read_file): Likewise.
10623 (find_include_file): Likewise. Properly initialize
10624 ih->nshort. Share ih->name and ih->nshort if possible.
10625 * cpphash.c (_cpp_calc_hash): New function.
10626 (hash_HASHNODE): Just return h->hash.
10627 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
10628 htab_find_with_hash.
10629 * cpphash.h: Prototype _cpp_calc_hash.
10630 * cppinit.c (initialize_builtins): Provide a valid hash
10631 to _cpp_make_hashnode, using _cpp_calc_hash.
10633 * cpphash.c (collect_expansion): # is not a special character
10634 in object-like macros. In -traditional mode, /**/ is not
10635 token paste at the beginning or end of the line.
10636 * cpplib.c (do_include, do_import, do_include_next): If
10637 parse_include fails, return immediately.
10639 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
10641 * config/arm/arm.md (return peepholes): Update to reflect the new
10642 call insn patterns.
10643 * config/arm/arm.c (arm_volatile_func): Also check
10644 current_function_nothrow.
10645 (output_return_instruction, output_func_prologue): Use it.
10646 (arm_output_epilogue, arm_expand_prologue): Likewise.
10648 2000-03-27 Tom Tromey <tromey@cygnus.com>
10650 * gcc.c (handle_braces): In {x*...} case, break out of loop if
10653 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10655 * expr.c (store_constructor): SIZE now signed.
10656 For EXPR_SIZE, don't evaluate size; just needed if constant.
10657 * fold-const.c (fold): Fix a number of cases when folded tree is
10659 * function.c (flush_addressof): Reenable.
10660 * tree.h (flush_addressof): Likewise.
10661 * toplev.c (independent_decode_option): Look at strings_processed.
10662 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
10664 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
10666 * sibcall.c (indentify_call_return_value): Find last call in the chain;
10667 Allow stack adjustment after function call.
10669 * regmove.c (struct csa_memlist): Make mem field rtx *.
10670 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
10671 (try_apply_stack_adjustment): Replace whole MEM rtx.
10672 (combine_stack_adjustments_for_block): Update calls
10673 to record_one_stack_ref.
10675 2000-03-28 Neil Booth <NeilB@earthling.net>
10677 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
10678 '\\' rather than a null character, so nulls are not special. Fix
10679 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
10680 speed trigraph conversion.
10681 (_cpp_init_input_buffer): Initialize trigraph map.
10683 2000-03-27 Alan Modra <alan@linuxcare.com.au>
10685 * config/i386/i386.c (output_387_binary_op): Correct intel
10686 mode assembly output, and add spaces after commas in AT&T
10687 output. Correct Unixware assembler comment. Document input
10688 constraints. Comment fp operations. Reduce profligate buffer
10689 size. Remove extraneous abort. Localize temp var.
10690 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
10691 (output_fix_trunc): Add spaces after commas in assembly output.
10693 2000-03-27 Richard Henderson <rth@cygnus.com>
10695 * i386-protos.h (ix86_match_ccmode): Declare.
10696 * i386.c (ix86_match_ccmode): New.
10697 (ix86_expand_fp_compare): Update for pattern renames.
10698 (ix86_expand_strlensi_unroll_1): Likewise.
10699 * i386.h (EXTRA_CC_MODES): Add CCZ.
10700 (SELECT_CC_MODE): Use it for EQ/NE zero.
10701 * i386.md (cmpsi_ccz_1): New.
10702 (cmpqi_ccz_1): New.
10703 (*testsi_ccz_1): New.
10704 (testqi_ccz_1): New.
10705 (cmpsi_ccno_1): Rename from cmpsi_0.
10706 (testsi_ccno_1): Rename from testsi_1.
10707 (testqi_ccno_1): Rename from testqi_1.
10708 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
10709 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
10710 (*cmphi_0): Use ix86_match_ccmode.
10711 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
10712 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
10713 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
10714 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
10715 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
10716 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
10717 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
10718 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
10719 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
10720 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
10721 (appropriate peepholes): Likewise.
10722 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
10723 (*subsi_3, *subhi_3, *subqi_3): Remove.
10724 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
10725 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
10726 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
10727 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
10728 (x86_shift_adj_1): Use CCZ.
10729 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
10731 2000-03-27 Stan Cox <scox@cygnus.com>
10733 * resource.h (mark_resource_type): New.
10734 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
10735 find_free_register): Use mark_resource_type.
10736 (mark_set_resources): Change include_delayed_effects
10737 to mark_resource_type.
10738 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
10739 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
10740 Use mark_resource_type.
10742 2000-03-27 Richard Henderson <rth@cygnus.com>
10744 * i386.md (call_pop_0, call_value_pop_0): New.
10745 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
10746 (call_value_pop_1): Likewise.
10747 (call_0, call_value_0): New.
10748 (call_1, call_value_1): Remove constraint from unused arg.
10750 2000-03-27 Nick Clifton <nickc@cygnus.com>
10752 * invoke.texi (Spec Files): Document new spec % command created by
10753 Tom Tromey's recent patch.
10755 2000-03-27 Jakub Jelinek <jakub@redhat.com>
10757 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
10760 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10762 * expr.c (expand_assignment): Fix typo in last change.
10764 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
10766 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10768 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
10769 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
10770 and DECL_INLINE if FUNCTION_DECL.
10771 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
10772 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
10773 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
10774 (combine_parm_decls): Likewise.
10775 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
10776 * print-tree.c (print_node): Likewise.
10777 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
10778 DECL_TRANSPARENT_UNION on proper decl types.
10779 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
10780 * stor-layout.c (layout_decl): Only check DECL_PACKED and
10781 DECL_BIT_FIELD of FIELD_DECL.
10782 * tree.h (DECL_RESULT_FLD): New macro.
10784 * expr.c (expand_assignment): Add code to handle variable-sized
10787 2000-03-26 Richard Henderson <rth@cygnus.com>
10789 * calls.c (expand_call): Pass parms not original exp to
10790 optimize_tail_recursion. Mind return value instead of looking
10792 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
10793 call_expr. Move checks for call_expr and current_function_decl ...
10794 (expand_return): ... here.
10796 2000-03-26 Tom Tromey <tromey@cygnus.com>
10798 * gcc.c (handle_braces): Recognize `%{<S}' construct.
10799 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
10801 (process_command): Use them.
10802 (check_live_switch): Likewise.
10803 (give_switch): Skip ignored switches.
10805 2000-03-26 Jan Hubicka <jh@suse.cz>
10807 * jump.c (jump_optimize_1): Fix typo in elide optimizations
10808 for minimal jump pass test.
10810 2000-03-26 Mark Mitchell <mark@codesourcery.com>
10812 * integrate.c (function_cannot_inline_p): Do inline functions that
10815 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10817 * stor-layout.c (layout_type, set_sizetype): early_type_list is
10818 now a list of TREE_LIST entries, not types.
10819 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
10821 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
10822 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
10824 * config/mips/mips.c (function_arg): Likewise; also remove cast
10825 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
10826 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
10827 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
10828 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
10829 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
10830 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
10831 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
10832 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
10833 num_adjusts now unsigned.
10834 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
10835 * config/sparc/sparc.c (struct function_arg_record_value_parms):
10836 NREGS now unsigned.
10837 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
10838 as is BITPOS variable; use host_integerp and int_bit_position.
10839 (function_arg_record_value_2): Likewise.
10840 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
10841 Variable REGNO now unsigned.
10842 (function_arg_record_value): NREGS now unsigned.
10844 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
10846 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
10848 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10850 * Rework fields used to describe positions of bitfields and
10851 modify sizes to be unsigned and use HOST_WIDE_INT.
10852 * alias.c (reg_known_value_size): Now unsigned.
10853 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
10854 (really_start_incremental_init): Use bitsize_zero_node.
10855 (push_init_level, pop_init_level, output_init_element): Likewise.
10856 Use bitsize_unit_node and bitsize_one_node.
10857 (output_pending_init_elements, process_init_element): Likewise.
10858 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
10859 (make_extraction): Position and length HOST_WIDE_INT and unsigned
10860 HOST_WIDE_INT, respectively.
10861 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
10862 (num_sign_bit_copies): Returns unsigned.
10863 BITWIDTH now unsigned; rework arithmetic.
10864 Remove recursive call from arg to MAX.
10865 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
10866 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
10867 REGNO now unsigned.
10868 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
10869 (find_split_point, expand_compound_operation, make_extraction): LEN
10870 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
10871 (make_field_assignment): Likewise.
10872 (combine_simplify_rtx): Add cast.
10873 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
10874 (force_to_mode): WIDTH now unsigned; add cast.
10875 (if_then_else_cond): SIZE now unsigned.
10876 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
10877 (extended_count): Now returns unsigned.
10878 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
10879 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
10880 (simplify_comparison): MODE_WIDTH now unsigned.
10881 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
10882 (mark_used_regs_combine): Likewise; rework arithmetic.
10883 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
10884 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
10885 (record_promoted_value): REGNO now unsigned.
10886 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
10887 (get_last_value): REGNO now unsigned.
10888 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
10889 (reg_dead_regno, reg_dead_endregno): Now unsigned.
10890 (remove_death): Arg REGNO now unsigned.
10891 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
10892 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
10894 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
10895 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
10896 (struct cse_reg_info): REGNO now unsigned.
10897 (cached_regno): Now unsigned.
10898 (REGNO_QTY_VALID_P): Add cast.
10899 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
10900 (remove_invalid_regs): Likewise.
10901 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
10902 as are variables END and I.
10903 (get_cse_reg_info, insert): Likewise.
10904 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
10905 (canon_hash): Likewise.
10906 (insert_regs, lookup_for_remove): REGNO now unsigned.
10907 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
10909 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
10910 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
10911 * emit-rtl.c (subreg_realpart_p): Add cast.
10912 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
10913 (operand_subword_force): Arg I is now unsigned.
10914 * except.c (eh_regs): Variable I is now unsigned.
10915 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
10916 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
10917 length is unsigned HOST_WIDE_INT; likewise for internal variables.
10918 (store_split_bit_field, extract_fixed_bit_field): Likewise.
10919 (extract_split_bit_field, store_bit_field, extract_bit_field):
10921 * expr.c (store_constructor_fields, store_constructor, store_field):
10922 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
10923 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
10924 (do_jump): Likewise.
10925 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
10926 MAX_SIZE is now unsigned.
10927 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
10928 (emit_group_store): Likewise.
10929 (emit_move_insn): I now unsigned.
10930 (store_constructor): Use host_integerp, tree_low_cst, and
10932 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
10933 Rework all calculations to use trees and new fields.
10934 * expr.h (promoted_input_arg): Regno now unsigned.
10935 (store_bit_field, extract_bit_field): Adjust types of pos and size.
10936 (mark_seen_cases): Arg is HOST_WIDE_INT.
10937 * flow.c (verify_wide_reg_1): REGNO now unsigned.
10938 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
10939 precisions and alignments are unsigned.
10940 (optimize_bit_field_compare, fold_truthop): Likewise.
10941 (int_const_binop): Adjust threshold for size_int_type_wide call.
10942 (fold_convert): Likewise.
10943 (size_int_type_wide): Make table larger and fix thinko that only
10944 had half of table used.
10945 (all_ones_mask_p, fold): Precisions are unsigned.
10946 * function.c (put_reg_info_stack): REGNO is unsigned.
10947 (instantiate_decl): Size is HOST_WIDE_INT.
10948 (instantiate_virtual_regs): I is unsigned.
10949 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
10950 (promoted_input_arg): REGNO is unsigned.
10951 * function.h (struct function): x_max_parm_reg is now unsigned.
10952 * gcse.c (max_gcse_regno): Now unsigned.
10953 (struct null_pointer_info): min_reg and max_reg now unsigned.
10954 (lookup_set, next_set): REGNO arg now unsigned.
10955 (compute_hash_table): REGNO and I now unsigned.
10956 (handle_avail_expr): regnum_for_replacing now unsigned.
10957 (cprop_insn): REGNO now unsigned.
10958 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
10959 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
10960 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
10961 * hard-reg-set.h (reg_class_size): Now unsigned.
10962 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
10963 * jump.c (mark_modified_reg): I now unsigned; add cast.
10964 (rtx_equal_for_thread_p): Add cast.
10965 * loop.c (max_reg_before_loop): Now unsigned.
10966 (struct_movable): REGNO now unsigned.
10967 (try_copy_prop): REGNO arg unsigned.
10968 (regs_match_p): XN and YN now unsigned.
10969 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
10970 (strength_reduce): Likewise; NREGS also unsigned.
10971 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
10972 * loop.h (struct iv_class): REGNO now unsigned.
10973 (max_reg_before_loop, first_increment_giv, last_increment_giv):
10975 * machmode.h (mode_size, mode_unit_size): Now unsigned.
10976 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
10977 * optabs.c (expand_binop): I and NWORDS now unsigned.
10978 (expand_unop): I now unsigned.
10979 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
10980 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
10981 * real.c (significand_size): Now returns unsigned.
10982 * real.h (significand_size): Likewise.
10983 * regclass.c (reg_class_size): Now unsigned.
10984 (choose_hard_reg_mode): Both operands now unsigned.
10985 (record_reg_classes): REGNO and NR now unsigned.
10986 (reg_scan): NREGS now unsigned.
10987 (reg_scan_update): old_max_regno now unsigned.
10988 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
10989 * reload.c (find_valid_class): BEST_SIZE now unsigned.
10990 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
10991 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
10992 Likewise for variable R.
10993 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
10994 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
10995 (find_equiv_reg): Add casts.
10996 (regno_clobbered_p): Arg REGNO now unsigned.
10997 * reload.h (struct reload): NREGS now unsigned.
10998 (refers_to_regno_for_reload_p): Regno args are unsigned.
10999 (regno_clobbered_p): Likewise.
11000 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
11001 (compute_use_by_pseudos): REGNO now unsigned.
11002 (find_reg): I and J now unsigned, new variable K, and change loop
11003 variables accordingly; THIS_NREGS now unsigned.
11004 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
11005 (spill_hard_reg): REGNO arg now unsigned; add casts.
11006 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
11007 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
11008 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
11009 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
11010 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
11011 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
11012 (emit_reload_insns): REGNO now unsigned.
11013 (reload_cse_move2add): Add cast.
11014 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
11016 * resource.c (mark_referenced_resources, mark_set_resources): New
11017 variable R; REGNO and LAST_REGNO now unsigned.
11018 (mark_target_live_regs): J and REGNO now unsigned.
11019 * rtl.c (mode_size, mode_unit_size): Now unsigned.
11020 * rtl.h (union rtunion_def): New field rtuint.
11021 (XCUINT): New macro.
11022 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
11023 (operand_subword, operand_subword_force): Word number is unsigned.
11024 (choose_hard_reg_mode): Operands are unsigned.
11025 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
11026 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
11027 (regno_use_in, combine_instructions, remove_death): Likewise.
11028 (reg_scan, reg_scan_update): Likewise.
11029 (extended_count): Return is unsigned.
11030 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
11031 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
11032 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
11033 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
11034 (reg_reg_last_1): FIRS and LAST now unsigned.
11035 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
11036 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
11038 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
11039 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
11040 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
11041 (replace_regs): Arg NREGS now unsigned.
11042 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
11043 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
11044 (simplify_binary_operation): Likewise.
11045 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
11046 THIS_LAST now unsigned.
11047 (cselib_record_set): Add cast.
11048 * ssa.c (ssa_max_reg_num): Now unsigned.
11049 (rename_block): REGNO now unsigned.
11050 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
11051 sizes now unsigned.
11052 (all_cases_count): Just return -1 not -2.
11053 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
11054 Rework tests to use trees whenever possible.
11055 Use host_integerp and tree_low_cst.
11056 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
11057 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
11058 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
11059 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
11060 (smallest_mode_for_size): Likewise.
11061 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
11062 KNOWN_ALIGN is now an alignment, so simplify code.
11063 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
11064 (start_record_layout): Renamed from new_record_layout_info.
11065 Update to new fields.
11066 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
11068 (place_union_field): Renamed from layout_union_field.
11069 Update to use new fields in rli.
11070 (place_field): Renamed from layout_field.
11071 Major rewrite to use new fields in rli; pass alignment to layout_decl.
11072 (finalize_record_size): Rework to use new fields in rli and handle
11074 (compute_record_mode): Rework to simplify and to use new DECL fields.
11075 (finalize_type_size): Make rounding more consistent.
11076 (finish_union_layout): Deleted.
11077 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
11078 (layout_type, case RECORD_TYPE): Call new function names.
11079 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
11080 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
11081 (get_best_mode): UNIT is now unsigned; remove casts.
11082 * tree.c (bit_position): Compute from new fields.
11083 (byte_position, int_byte_position): New functions.
11084 (print_type_hash_statistics): Cast to remove warning.
11085 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
11086 (build_index_type): Likewise; make subtype of sizetype.
11087 (build_index_2_type): Pass sizetype to build_range_type.
11088 (build_common_tree_nodes): Use size_int and bitsize_int to
11089 initialize nodes; add bitsize_{zero,one,unit}_node.
11090 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
11091 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
11092 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
11093 (DECL_FIELD_BITPOS): Deleted.
11094 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
11095 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
11096 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
11097 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
11098 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
11099 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
11100 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
11101 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
11102 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
11103 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
11104 (DECL_ALIGN): Adjust to new field in union.
11105 (DECL_OFFSET_ALIGN): New field.
11106 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
11107 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
11108 (union tree_decl): Add struct for both aligns.
11109 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
11110 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
11111 (struct record_layout_info): Rework fields to have offset
11112 alignment and byte and bit position.
11113 (start_record_layout, place_field): Renamed from old names.
11114 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
11115 (byte_position, int_byte_position): Likewise.
11116 (get_inner_reference): Change types of position and length.
11117 * unroll.c (unroll_loop): New variable R; use for some loops.
11118 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
11119 (calculate_giv_inc): Arg REGNO now unsigned.
11120 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
11121 * varasm.c (assemble_variable): Clean up handling of size using
11122 host_integerp and tree_low_cst.
11123 (decode_addr_const): Use byte, not bit, position.
11124 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
11125 use tree_low_cst and int_bit_position.
11126 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
11128 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
11130 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
11131 (reorder_block_def): New members eff_head and eff_end.
11132 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
11133 (verify_insn_chain): New function.
11134 (skip_insns_between_block): Add code to skip deleted insns.
11135 Check for note before using.
11136 (chain_reorder_blocks): Replace calls to skip_insns_between_block
11137 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
11138 Check for note before using.
11139 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
11140 (fixup_reorder_chain): Restructure, clean up, defect removal.
11141 (reorder_basic_blocks): Remove last_insn and references to it.
11142 Moved insn chain verification code into a new function (see above).
11143 Delete defective code that sets last insn.
11144 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
11147 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11149 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
11151 2000-03-24 Richard Henderson <rth@cygnus.com>
11153 * tree.c (lang_safe_for_unsave): Remove.
11154 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
11155 allowing for two levels of unsafeness. Remove lang hook.
11156 * tree.h: Update declarations.
11157 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
11158 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
11159 Always fail sibcalls when there are pending cleanups.
11161 2000-03-24 Geoff Keating <geoffk@cygnus.com>
11163 * flow.c (propagate_block): When we delete an ADDR_VEC,
11164 also delete the BARRIER following it if there is one.
11166 2000-03-24 Richard Henderson <rth@cygnus.com>
11168 * builtins.c (expand_builtin_bzero): Convert `length' argument
11171 2000-03-24 Jakub Jelinek <jakub@redhat.com>
11173 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
11174 comparison if regno's are equal.
11175 * calls.c (initialize_argument_informat): Add ecf_flags argument.
11176 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
11177 (expand_call): Update caller.
11178 Avoid making a sibling call if argument size of the callee is larger
11179 than argument size of the caller.
11180 Call hard_function_value with outgoing set if in sibcall pass.
11181 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
11183 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
11184 Change LEAF_REGISTERS from an array initializer to actual array
11185 identifier. Move static global variable into the function.
11186 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
11187 sequences for leaf functions.
11188 * global.c (global_alloc): Likewise.
11189 * tm.texi (LEAF_REGISTERS): Update documentation.
11191 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
11192 TARGET_FLAT leaf disabling hack.
11193 (LEAF_REGISTERS): Changed from an array initializer to actual array
11194 identifier to avoid duplication and remove the above hack.
11195 (FUNCTION_OK_FOR_SIBCALL): Define.
11196 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
11197 always like call attribute.
11198 (eligible_for_sibcall_delay): New attribute.
11199 (sibcall): New delay type.
11200 (sibcall, sibcall_value, sibcall_epilogue): New expands.
11201 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
11202 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
11203 * config/sparc/sparc.c (sparc_leaf_regs): New array.
11204 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
11206 (output_function_epilogue): Move part of the code into
11207 output_restore_regs.
11208 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
11210 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
11213 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
11214 until infrastructure is finished.
11216 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
11218 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
11219 (save_parm_insns): Not here.
11221 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11223 * builtins.c (expand_builtin_bzero): New function.
11224 (expand_builtin): Handle bzero.
11226 * builtins.def: Add BUILT_IN_BZERO.
11228 * c-common.c (c_common_nodes_and_builtins): Provide builtin
11229 prototype & function for bzero.
11231 2000-03-23 Michael Meissner <meissner@redhat.com>
11233 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
11234 change adding TARGET_FP to the TF floating point insns, except for
11235 trunctfsf2, which generates direct calls to truncdfsf2.
11237 2000-03-23 Geoff Keating <geoffk@cygnus.com>
11239 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
11240 try to protect against middle-end changes that break binary
11242 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
11244 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11246 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
11248 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11250 * calls.c (expand_call): If TARGET is passed by reference and
11251 is readonly, write a CLOBBER.
11253 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11255 * builtins.c (expand_builtin): Handle bcmp.
11257 * builtins.def: Add BUILT_IN_BCMP.
11259 * c-common.c (c_common_nodes_and_builtins): Provide builtin
11260 prototype & function for bcmp.
11262 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
11264 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
11265 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
11266 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
11268 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
11270 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
11271 alternative when using -fp64 -gp32.
11273 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11275 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
11276 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
11277 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
11279 * frame.h (frame_state): Revert last change.
11280 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
11281 * libgcc2.c (throw_helper): Revert last change.
11283 2000-03-22 Richard Henderson <rth@cygnus.com>
11285 * stmt.c (expand_asm_operands): Don't promote the temporary.
11287 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
11289 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
11290 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
11291 c_get_alias_set): Likewise.
11292 * c-decl.c (duplicate_decls): Likewise.
11293 * c-typeck.c (default_conversion,build_unary_op): Likewise.
11294 * calls.c (initialize_argument_information): Likewise.
11295 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
11297 * dwarfout.c (decl_class_context,output_type): Likewise.
11298 * expr.c (get_inner_reference): Likewise.
11299 * fold-const.c (simple_operand_p,fold): Likewise.
11300 * function.c (aggregate_value_p): Likewise.
11301 * stmt.c (expand_asm_operands): Likewise.
11302 * varasm.c (named_section): Likewise.
11304 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
11306 Implement dwarf2 exception handling for the ARM.
11307 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
11308 (DWARF_FRAME_RETURN_COLUMN): Define.
11309 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
11310 REG_FRAME_RELATED_EXPR note.
11311 (emit_sfm): Likewise.
11312 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
11313 * dwarf2out.c (reg_save): Handle saving a register to itself.
11314 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
11315 * except.c (eh_regs): Don't use the static chain reg if it's
11317 * frame.h (frame_state): Add cfa_saved field.
11318 * frame.c (execute_cfa_insn): Set it.
11319 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
11321 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
11323 (instantiate_virtual_regs): Adjust.
11325 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11326 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
11327 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
11329 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
11330 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
11332 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11334 * builtins.def: New file.
11336 * Makefile.in (TREE_H): Depend on builtins.def.
11338 * builtins.c (built_in_names): Use builtins.def.
11340 * tree.h (built_in_function): Likewise.
11342 2000-03-22 Mark Mitchell <mark@codesourcery.com>
11344 * tree.c (size_in_bytes): Return size_zero_node, not
11347 2000-03-22 Geoff Keating <geoffk@cygnus.com>
11349 * config/fp-bit.c (pack_d): Correct the case when a denormal
11350 is rounded up and stops being denormal.
11352 2000-03-21 Richard Henderson <rth@cygnus.com>
11354 * config/alpha/alpha.c (function_arg): Check for void_type_node
11355 before using MUST_PASS_IN_STACK.
11357 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
11359 * regmove.c (combine_stack_adjustments_for_block): Check that
11360 the stack pointer is a valid memory address.
11362 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
11364 * calls.c: re-install Mar 16 emit_library_call merge.
11366 2000-03-21 Jakub Jelinek <jakub@redhat.com>
11368 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
11369 we cannot be sure that if reload_completed base register will
11370 be properly aligned.
11372 2000-03-21 Richard Henderson <rth@cygnus.com>
11374 * flow.c (delete_block): Fix typo last change.
11376 2000-03-21 Mark Mitchell <mark@codesourcery.com>
11378 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
11379 not COMPLETE_TYPE_P, to check the type of the expression.
11381 2000-03-21 Michael Meissner <meissner@redhat.com>
11383 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
11384 all floating point insns that just tested the macro
11385 TARGET_HAS_XFLOATING_LIBS.
11386 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
11387 used to only use the gprs.
11389 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
11391 * tree.h (COMPLETE_TYPE_P): New macro.
11392 (COMPLETE_OR_VOID_TYPE_P): New macro.
11393 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
11394 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
11395 * c-aux-info.c (gen_type): Use them.
11396 * c-common.c (c_expand_expr_stmt): Likewise.
11397 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
11398 grokdeclarator, grokparms, finish_struct, start_function,
11399 store_parm_decls, combine_parm_decls): Likewise.
11400 * c-parse.y (cast_expr): Likewise.
11401 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
11402 c_size_in_bytes, c_alignof, build_component_ref,
11403 build_indirect_ref, build_array_ref, convert_arguments,
11404 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
11405 * calls.c (initialize_argument_information): Likewise.
11406 * convert.c (convert_to_integer): Likewise.
11407 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
11408 * dwarfout.c (location_or_const_value_attribute,
11409 output_enumeration_type_die, output_structure_type_die,
11410 output_union_type_die, output_type): Likewise.
11411 * expr.c (safe_from_p, expand_expr): Likewise.
11412 * function.c (assign_parms): Likewise.
11413 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
11414 * tree.c (build_array_type, build_function_type,
11415 build_method_type, build_offset_type, build_complex_type): Likewise.
11416 * c-parse.c, c-parse.h: Regenerated.
11418 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11420 * config/c4x/rtems.h: Include config/rtems.h.
11422 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
11424 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
11425 decl is a FUNCTION_DECL
11427 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
11429 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
11430 function uses output registers. Don't save RP for leaf functions.
11431 Do save RP even if no epilogue.
11432 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
11433 (CALL_USED_REGISTERS): Unmark in registers.
11434 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
11435 to near the middle.
11437 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11439 * config/rs6000/rs6000.md (bunordered): New expander.
11440 (bordered): New expander.
11441 (buneq): New expander.
11442 (bunge): New expander.
11443 (bungt): New expander.
11444 (bunle): New expander.
11445 (bunlt): New expander.
11446 (bltgt): New expander.
11448 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
11449 (ccr_bit_negated_p): New function.
11450 (print_operand): For %C, generate appropriate cror for UNEQ,
11451 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
11453 2000-03-20 Andreas Jaeger <aj@suse.de>
11455 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
11458 * tree.h (safe_for_unsave): Prototype.
11460 2000-03-20 Richard Henderson <rth@cygnus.com>
11462 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
11463 (combine_stack_adjustments_for_block): Don't allow sp references
11464 in the side of a set we're not fixing up.
11465 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
11466 after life_analysis.
11468 2000-03-20 Richard Henderson <rth@cygnus.com>
11470 * calls.c (expand_call): Don't bother generating tail call
11471 sequences if there are pending cleanups. Use
11472 expand_start_target_temps/expand_end_target_temps to elide
11473 cleanups created during sibcall expansion.
11475 2000-03-20 Geoff Keating <geoffk@cygnus.com>
11477 * configure.in: Set $IFS to a value if it doesn't already have one
11478 in the --enable-checking handling.
11479 * configure: Regenerate.
11481 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11483 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
11484 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11487 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
11489 * jump.c (delete_noop_moves): Remove code attempting to
11490 combine stack adjustments.
11492 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11494 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
11495 * except.c (emit_cleanup_handler): Use them.
11496 (expand_end_all_catch): Likewise.
11497 * function.c (fixup_var_refs): Likewise.
11498 (expand_function_end): Clear catch_clauses_last.
11499 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
11500 * except.h (struct eh_status): New field x_catch_clauses_last.
11501 (catch_clauses_last): New define.
11503 * Makefile.in (tree.o): Depend on HASHTAB_H.
11504 * tree.c: Include hashtab.h.
11505 (struct type_hash): Remove next field.
11506 (TYPE_HASH_SIZE): Remove.
11507 (TYPE_HASH_INITIAL_SIZE): New define.
11508 (type_hash_table): Change type to htab_t.
11509 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
11510 mark_hash_entry): New functions.
11511 (init_obstacks): Allocate type hash.
11512 (type_hash_lookup): Use htab functions.
11513 (type_hash_add, mark_type_hash): Likewise.
11514 (dump_tree_statistics): Call print_type_hash_statistics.
11516 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11518 * rs6000/t-aix41: New file.
11520 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
11522 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
11524 * tm.texi (Driver): Fix typos and tweak entry for
11526 Move misplaced STRUCT_FORCE_BLK entry ...
11527 (Storage Layout): ... to here.
11528 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
11530 2000-03-19 Richard Henderson <rth@cygnus.com>
11532 * flow.c (delete_block): Delete the addr_vec along with the block.
11533 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
11536 * fold-const.c (extract_muldiv): Apply type check for defined
11537 overflow to multiply as well as divide.
11539 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
11541 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11543 * emit-rtl.c (remove_unncessary_notes): Check that all
11544 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
11545 associated NOTE_BLOCK.
11546 * function.h (identify_blocks): Update comments.
11547 (reorder_blocks): Declare.
11548 * function.c (identify_blocks): Don't take paramters.
11549 (reorder_blocks): Don't take parameters.
11550 * loop.h (find_loop_tree_blocks): Remove.
11551 (unroll_block_trees): Likewise.
11552 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
11553 reorder_blocks instead of unroll_block_trees.h
11554 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
11555 * stmt.c (find_loop_tree_blocks): Remove.
11556 (unroll_block_trees): Likewise.
11557 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
11558 in whole-function mode.
11559 * tree.h (reorder_blocks): Remove declaration.
11561 * expr.c: Include intl.h.
11562 * Makefile.in (expr.o): Depend on intl.h.
11564 2000-03-18 Richard Henderson <rth@cygnus.com>
11566 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
11568 2000-03-18 Mark Mitchell <mark@codesourcery.com>
11570 * tree.h (tree_index): Remove enumerals for integer types.
11571 (integer_type_kind): New type.
11572 (integer_types): New variable.
11573 (char_type_node): Adjust.
11574 (signed_char_type_node): Likewise.
11575 (unsigned_char_type_node): Likewise.
11576 (short_integer_type_node): Likewise.
11577 (short_unsigned_type_node): Likewise.
11578 (integer_type_node): Likewise.
11579 (unsigned_type_node): Likewise.
11580 (long_integer_type_node): Likewise.
11581 (long_unsigned_type_node): Likewise.
11582 (long_long_integer_type_node): Likewise.
11583 (long_long_unsigned_type_node): Likewise.
11584 * tree.c (integer_types): New variable.
11585 (init_obstacks): Register it as a root.
11587 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
11589 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
11590 NEXT_INSN. Update last insn in chain.
11592 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
11594 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
11595 with TYPE_DECL_SUPPRESS_DEBUG set.
11597 2000-03-18 Richard Henderson <rth@cygnus.com>
11599 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
11601 2000-03-18 Richard Henderson <rth@cygnus.com>
11603 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
11604 care for HALF_PIC_P.
11605 (expander_call_insn_operand): Remove.
11606 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
11607 * i386.h (PREDICATE_CODES): Update.
11608 * i386.md (all call expanders): Remove predicates, remove special
11609 handling for half-pic.
11610 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
11611 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
11612 (sibcall_epilogue): New.
11614 2000-03-17 Richard Henderson <rth@cygnus.com>
11616 * rtlanal.c (single_set): Reject if the parallel has anything
11617 except SET or USE or CLOBBER.
11619 2000-03-17 Jeff Law <law@cygnus.com>
11620 Richard Henderson <rth@cygnus.com>
11622 * Makefile.in (OBJS): Add sibcall.o.
11624 * sibcall.c: New file.
11625 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
11626 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
11627 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
11628 Emit sibcall patterns when requested. Update all callers.
11629 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
11630 elimination seems feasable.
11631 * final.c (leaf_function_p): Sibling calls don't discount being
11633 * flow.c (HAVE_sibcall_epilogue): Provide default.
11634 (find_basic_blocks_1): Sibling calls don't throw.
11635 (make_edges): Make edge from sibling call to EXIT.
11636 (propagate_block): Don't remove sibcall_epilogue insns.
11637 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
11638 (sibcall_epilogue): New.
11639 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
11640 (identify_blocks_1): Likewise. Break out from ...
11641 (identify_blocks): ... here.
11642 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
11643 (reorder_blocks): ... here.
11644 (init_function_for_compilation): Zap prologue/epilogue as varrays.
11645 (record_insns): Extend a varray instead of mallocing new memory.
11646 (contains): Read a varray not array of ints.
11647 (sibcall_epilogue_contains): New.
11648 (thread_prologue_and_epilogue_insns): Emit and record
11649 sibcall_epilogue patterns.
11650 (init_function_once): Allocate prologue/epilogue varrays.
11651 * genflags.c (gen_insn): Treat sibcall patterns as calls.
11652 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
11653 Broken out from ...
11654 (save_for_inline_nocopy): ... here.
11655 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
11656 Broken out from ...
11657 (expand_inline_function): ... here.
11658 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
11659 (subst_constants): Handle 'n' formats.
11660 * jump.c (jump_optimize_minimal): New.
11661 (jump_optimize_1): New arg `minimal'; update callers. Elide most
11662 optimizations if it's set.
11663 * rtl.c (copy_rtx): Do copy jump & call for insns.
11664 * rtl.h (struct rtx_def): Document use of jump and call for insns.
11665 (SIBLING_CALL_P): New.
11666 (sibcall_use_t): New.
11667 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
11668 Invoke optimize_sibling_and_tail_recursive_calls.
11669 * tree.c (lang_safe_for_unsave): New.
11670 (safe_for_unsave): New.
11671 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
11673 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
11674 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
11675 (*sibcall_osf_1, *sibcall_value_osf_1): New.
11677 2000-03-17 Mark Mitchell <mark@codesourcery.com>
11679 * objc/objc-act.c (encode_method_prototype): Pass types, not
11680 PARM_DECLs, to int_size_in_bytes.
11682 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
11684 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
11686 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11687 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
11689 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11691 * Clean up usages of TREE_INT_CST_LOW.
11692 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
11693 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
11695 * c-tree.h (min_precision): Move declaration to here.
11696 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
11697 (build_unary_op, add_pending_init): Use bit_position.
11698 (pending_init_member, process_init_element): Likewise.
11699 (really_start_incremental_init, push_init_level, pop_init_level):
11700 Don't make copies of nodes or modify them in place, use consistent
11701 types when tracking positions, and use tree routines computations.
11702 (set_init_index, output_init_element): Likewise.
11703 (output_pending_init_elements, process_init_element): Likewise.
11704 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
11705 tree_low_cst and int_bit_position; also minor cleanup.
11706 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
11707 (print_cst_octal): Precision is unsigned.
11708 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
11709 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
11710 (simple_type_align_in_bits): Result is unsigned int.
11711 Use tree_int_low_cst and host_integerp.
11712 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
11713 (field_byte_offset): Result is HOST_WIDE_INT.
11714 Change types of internal variables so alignments are unsigned int,
11715 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
11716 Use host_integerp, tree_low_cst, and int_bit_position.
11717 (add_bit_offset_attribute): Likewise.
11718 (add_data_member_location_attribute): Use tree_cst_low.
11719 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
11720 (add_bit_size_attribute): Use tree_low_cst.
11721 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
11722 * dwarfout.c: Similar changes to dwarf2out.c.
11723 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
11724 * genoutput.c (n_occurences): Return -1 for null string.
11725 (strip_whitespace): Accept null string and make into function.
11726 (scan_operands): Reflect above changes.
11727 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
11728 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
11729 * ssa.c (rename_registers): Add missing cast of arg to bzero.
11730 * tree.c (int_size_in_bytes): Check for too big to represent.
11731 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
11732 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
11734 (min_precision): Delete from here.
11735 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
11736 and int_bit_position.
11737 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
11738 (encode_method_def): Likewise.
11739 (build_ivar_list_initializer): Use int_bit_position.
11740 (generate_shared_structures): Convert size.
11741 (encode_type, encode_complete_bitfield): Use integer_zerop.
11742 (encode_bitfield): Use tree_low_cst and int_bit_position.
11744 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11746 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
11748 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11750 * call.c (special_function_p): It is only malloc if it returns
11753 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11755 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
11756 (C33_FLAG, TARGET_C3X): Add macros.
11757 (TARGET_SWITCHES): Add -m33 option.
11758 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
11760 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11762 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
11763 (PARALLEL_PACK_FLAG): Delete.
11764 (TARGET_SWITCHES): Update.
11765 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
11767 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11769 * fold-const.c (fold): Fix a few cases when the returned result
11770 is not of the same type as the input.
11772 2000-03-16 Nick Clifton <nickc@cygnus.com>
11774 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
11777 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11779 * libgcc2.h: Move prototypes above macros with the same name.
11780 Wrap some function prototypes in the conditional which indicates
11781 whether they are supported, i.e. "BITS_PER_UNIT == 8".
11783 2000-03-16 Richard Henderson <rth@cygnus.com>
11785 * calls.c: Revert last two changes.
11787 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
11789 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
11790 has exponent 0 is a zero.
11792 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
11793 HASH may already be nonzero. Add code/mode into hash value
11794 immediately after repeat label.
11795 (cselib_lookup): Don't leave the hash table in an inconsistent
11796 state before a hash lookup operation.
11798 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
11800 * i386.md (all HI and QI mode non-move patterns): Conditionize
11801 by TARGET_[HQ]IMODE_MATH.
11802 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11803 x86_promote_qi_regs): Declare.
11804 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
11805 TARGET_PROMOTE_QI_REGS): New macros.
11806 (PROMOTE_MODE): New macro.
11807 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
11808 x86_promote_qi_regs): New global variables.
11810 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
11812 * calls.c (emit_library_call_value_1): Break out from ...; handle
11813 VOIDmode function calls too.
11814 (emit_library_call_value): ... here.
11815 (emit_library_call): Implement by calling emit_library_call_value_1.
11817 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
11819 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
11820 Update arg_space_so_far on stack adjustments.
11821 (emit_library_call, emit_library_call_value): Likewise; take into
11822 account arg_space_so_far and pending_stack_adjust when calculcating
11825 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
11827 * flow.c: Move all basic block reordering code into its own file.
11828 (create_basic_block): Externalize.
11829 * bb-reorder.c: New file. Copy all basic block reordering code from
11830 flow.c to this file.
11831 (reorder_basic_blocks): Fix fencepost error in for-loop.
11832 (reorder_basic_blocks): Remove braces from single statement for-loops.
11833 * basic-block.h: Add declaration for create_basic_block.
11834 * Makefile.in: Add rules for bb-reorder.o.
11836 2000-03-16 Neil Booth <NeilB@earthling.net>
11838 * cppinit.c (handle_option): Implement #unassert directive
11839 as -A- command line option.
11840 (print_help): Update.
11841 * cpptexi.c: Update.
11843 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
11845 * md.texi (Standard Names): Document `jump'.
11847 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
11849 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
11852 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11854 Merge changes from newppc-branch onto trunk.
11856 2000-03-15 Geoff Keating <geoffk@cygnus.com>
11858 * rs6000.c (toc_hash_table): Update for new hash table functions.
11859 (toc_hash_function): Likewise.
11860 (toc_hash_eq): Likewise.
11861 (toc_hash_mark_entry): Likewise.
11862 (toc_hash_mark_table): Likewise.
11863 (output_toc): Likewise.
11864 (rs6000_add_gc_roots): Likewise.
11866 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11868 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
11869 (AR_FLAGS_FOR_TARGET): here. New macro.
11871 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
11873 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
11874 fpmem_operand) Delete.
11876 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
11877 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
11878 (rs6000_save_machine_status, rs6000_restore_machine_status,
11879 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
11880 references to above variables.
11881 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
11882 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
11883 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
11884 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
11885 (XER_REGNO_P, XER_REGNO): New.
11886 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
11887 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
11888 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
11890 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
11891 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
11892 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
11894 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11896 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
11897 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
11898 * rs6000.h: from here.
11900 * rs6000-protos.h (rs6000_select_section): Provide prototype.
11901 (rs6000_select_rtx_section): Likewise.
11902 (rs6000_encode_section_info): Likewise.
11903 (sdata_section): Likewise.
11904 (sdata2_section): Likewise.
11905 (sbss_section): Likewise.
11906 * sysv4.h (rs6000_select_section): Delete prototype.
11907 (rs6000_select_rtx_section): Likewise.
11908 (rs6000_encode_section_info): Likewise.
11909 (sdata_section): Likewise.
11910 (sdata2_section): Likewise.
11911 (sbss_section): Likewise.
11912 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
11914 * sysv4.h: Delete various unnecessary #undef's and put a comment
11915 on the remaining ones.
11916 Change various comments according to coding standard.
11918 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
11920 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
11921 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
11922 (CR0_REGNO_P) Remove.
11923 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
11924 setup_incoming_varargs, mtcrf_operation, print_operand,
11925 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
11926 Use the above macros.
11928 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
11930 * config/rs6000/rs6000.md: Added a new alternative for each
11931 pattern that had a 'x' alternative but no 'y' alternative.
11932 Added a new split for each of the above patterns.
11934 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11936 * aix41.h (ASM_CPU_SPEC): Delete.
11937 (CPP_CPU_SPEC): Delete.
11939 * aix.h (RS6000_OUTPUT_BASENAME): Define.
11940 (ASM_OUTPUT_LABEL): Define.
11941 (ASM_GLOBALIZE_LABEL): Define.
11942 (STRIP_NAME_ENCODING): Define.
11943 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
11944 (STRIP_NAME_ENCODING): Don't define.
11945 (ASM_OUTPUT_LABEL): Don't define.
11946 (ASM_GLOBALIZE_LABEL): Don't define.
11947 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
11948 names, and ASM_OUTPUT_LABEL to output labels, rather than
11950 (ASM_OUTPUT_LABEL): Define.
11951 (ASM_OUTPUT_INT): Use assemble_name.
11952 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
11953 (STRIP_NAME_ENCODING): Don't undefine first.
11954 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
11956 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
11957 specified with 'asm' even with -fleading-underscore.
11958 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
11959 (output_epilog): Likewise.
11960 (output_toc): Likewise.
11961 * tramp.asm: Handle -fleading-underscore correctly.
11963 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
11965 (nonlocal_goto_receiver): Delete.
11966 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
11968 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
11969 (SET_ASM_OP): Define.
11970 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
11972 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
11973 (ASM_LONG): Define.
11975 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
11976 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
11978 * rs6000.h: Add 'u' to more constants.
11980 2000-02-18 David Edelsohn <edelsohn@gnu.org>
11982 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
11984 2000-02-15 David Edelsohn <edelsohn@gnu.org>
11986 * rs6000.c (reg_or_u_cint_operand): New function.
11987 (logical_operand): Handle 64-bit hosts.
11988 (logical_u_operand): New function.
11989 (non_logical_cint_operand): Handle 64-bit hosts.
11990 (non_logical_u_cint_operand): New function.
11991 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
11992 (PREDICATE_CODES): Define new functions.
11993 * rs6000-protos.h: Declare new functions.
11994 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
11995 (movdi_64): Bracket code intended for 64-bit hosts. Create
11996 CONST_DOUBLE for 32-bit values.
11997 (scc insns): Generate DImode compares.
11998 (mfcr insns): Create DImode versions.
11999 (sge matchers): New patterns.
12001 2000-02-15 Gabriel Paubert <paubert@iram.es>
12003 * rs6000.md: Correct instructions length attributes and
12004 constraints on unsigned compare instructions.
12005 (*ne0): Disable for PowerPC64.
12007 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12009 * rs6000.c (output_function_profiler): Use .long for a 32-bit
12010 quantity, fix profile1.C test failure under -fPIC.
12012 * rs6000.c: Add 'u' to many constants to suppress warnings.
12013 (constant_pool_expr_1): Make static.
12014 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
12015 * rs6000.h: Add 'u' to many constants to suppress warnings.
12017 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
12018 for the start of the TOC, instead of LCTOC..0.
12019 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
12021 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
12022 (load_toc_aix_di): Use LCTOC..1.
12024 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
12025 * rs6000.c (rs6000_legitimize_address): New function from
12026 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
12027 symbols in the constant pool that really are TOC references.
12028 (print_operand_address): For ELF, write TOC offsets under
12029 -fPIC as subtractions in the insn.
12030 (output_toc): For ELF, define symbols in TOC as normal labels,
12032 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
12033 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
12034 (create_TOC_reference): Prototype only when RTX_CODE is defined.
12035 * rs6000.md (movsi): Only use create_TOC_reference on
12036 symbols in the constant pool that really are TOC references.
12038 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
12039 * rs6000.c (rs6000_reorg): Delete.
12040 * rs6000-protos.h (rs6000_reorg): Delete.
12042 2000-02-09 Geoff Keating <geoffk@cygnus.com>
12044 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
12046 * aix.h (SETUP_FRAME_ADDRESSES): Define.
12047 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
12048 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
12049 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
12050 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
12051 rs6000_aix_emit_builtin_unwind_init.
12052 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
12053 rs6000_emit_eh_toc_restore on AIX.
12054 (return_eh_si): Use r2.
12055 (return_eh_di): Use r2.
12057 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
12058 since we're breaking binary compatibility anyway.
12060 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12062 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
12063 constant_pool_expr_p): Declare them.
12064 (constant_pool_expr_p): Declare it.
12065 * config/rs6000/rs6000.c (toc_label_name): Define.
12066 (rs6000_override_options): Set toc_label_name.
12067 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
12068 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
12069 uses_TOC): New functions.
12070 (print_operand): Delete old '*' case.
12071 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
12072 and strip off rtl for TOC before calling output_addr_const.
12073 (rs6000_emit_load_toc_table): Use toc_label_name.
12074 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
12076 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
12077 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
12078 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
12079 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
12080 into explicit TOC_REGISTER offsets.
12081 (TOC_REGISTER): New macro.
12082 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
12083 TARGET_TOC to reference TOC_REGISTER.
12084 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
12085 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
12086 uses_TOC before emitting label references.
12088 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12090 * rs6000.md (stack_tie): Fix warning.
12092 * eabi-ctors.c: Use 'asm' names for the start/end variables,
12093 to handle -fleading-underscore.
12094 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
12095 (USER_LABEL_PREFIX): New macro.
12096 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
12097 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
12098 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
12099 call-linux can use the same multilibs.
12100 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
12101 and call-linux multilibs. Do multilib with -fleading-underscore.
12102 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
12103 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
12106 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
12107 have MASK_SOFT_FLOAT set.
12108 (CPP_FLOAT_DEFAULT_SPEC): New macro.
12109 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
12110 CPP_FLOAT_DEFAULT_SPEC.
12112 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
12113 * rs6000.md: Whitespace change.
12114 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
12115 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
12117 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12119 * rs6000.md (eh_epilogue): New expander.
12120 (eh_reg_restore): New expand/split/insn combination.
12121 (return_eh_si): New insn.
12122 (return_eh_di): New insn.
12124 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
12125 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
12126 * eabi-ctors.c (__do_global_ctors): Register this object's
12127 frame. Clean up. Call atexit() after the constructors.
12128 (__do_global_dtors): Deregister this object's frame. Clean up.
12129 Allow for recursive calls to exit().
12130 * rs6000.c (fixuplabelno): New variable.
12131 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
12132 TARGET_RELOCATABLE, it slows down exec() under linux.
12133 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
12135 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
12136 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
12137 (ASM_OUTPUT_DWARF_DELTA2): New macro.
12138 (ASM_OUTPUT_DWARF_DELTA4): New macro.
12139 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
12140 (ASM_OUTPUT_DWARF_ADDR): New macro.
12141 (ASM_OUTPUT_DWARF_DATA4): New macro.
12142 (ASM_OUTPUT_DWARF_DATA2): New macro.
12143 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
12144 (ASM_OUTPUT_DWARF_OFFSET): New macro.
12145 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
12147 2000-02-03 Geoff Keating <geoffk@cygnus.com>
12149 * rs6000.c (rs6000_sr_alias_set): New variable.
12150 (rs6000_override_options): Initialise rs6000_sr_alias_set.
12151 (rs6000_emit_stack_tie): New function.
12152 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
12153 in a way that dwarf2out can understand.
12154 (rs6000_frame_related): New function.
12155 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
12156 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
12157 Use rs6000_emit_stack_tie when needed.
12158 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
12159 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
12160 * rs6000.md (stack_tie): New insn.
12161 (return_internal_si): Allow return value to be in the count
12163 (return_internal_di): Likewise.
12165 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
12167 2000-02-03 Geoff Keating <geoffk@cygnus.com>
12169 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
12171 2000-01-31 Geoff Keating <geoffk@cygnus.com>
12173 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
12175 * rs6000.md (stmw): Use the right POWER opcode.
12178 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12180 * rs6000-protos.h: New file.
12182 * rs6000.c: Include tm_p.h. Fix compile time warnings.
12184 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
12187 * sysv4.h: Likewise.
12189 2000-01-28 Geoff Keating <geoffk@cygnus.com>
12191 * ../../configure.in: Delete powerpcle-*-winnt*
12192 and powerpcle-*-pe|powerpcle-*-cygwin*.
12193 * ../../configure: Regenerated.
12194 * cygwin.h: Delete.
12195 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
12196 (TARGET_WINDOWS_NT): Delete.
12198 (CALL_NT_DLLIMPORT): Delete.
12199 Delete NT-specific code.
12200 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
12201 * win-nt.h: Delete.
12203 * nt-ci.asm: Delete.
12204 * nt-cn.asm: Delete.
12205 * ntstack.asm: Delete.
12207 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12209 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
12210 (ASM_FILE_START): Likewise.
12211 (ASM_DECLARE_FUNCTION_NAME): Likewise.
12212 (ASM_OUTPUT_LABELREF): Likewise.
12213 (ASM_OUTPUT_SKIP): Likewise.
12214 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
12215 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
12216 (ASM_OUTPUT_CASE_LABEL): Likewise.
12217 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
12218 (ASM_OUTPUT_ASCII): Likewise.
12220 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
12222 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
12223 reload_toc_labelno for non-prologue TOC reloads. Also, don't
12224 increment rs6000_pic_labelno here.
12225 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
12226 and increment rs6000_pic_labelno here.
12228 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
12230 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
12231 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
12232 allocation knows (reg) is dead before the insn.
12234 2000-01-21 Geoff Keating <geoffk@cygnus.com>
12236 * rs6000.md (movsi_to_cr): Correct typo in output template.
12238 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12240 * rs6000.c (rs6000_pic_labelno): Always define.
12241 (rs6000_pic_func_labelno): Delete.
12242 (lmw_operation): Check for a zero base register,
12243 which doesn't mean what we want.
12244 (stmw_operation): New function.
12245 (print_operand): Define new 'l' modifier.
12246 (rs6000_stack_info): We must save all 64 bits of the registers
12247 if TARGET_POWERPC64.
12248 (rs6000_output_load_toc_table): Delete.
12249 (rs6000_emit_load_toc_table): New function.
12250 (rs6000_allocate_stack_space): Delete.
12251 (rs6000_emit_allocate_stack): New function.
12252 (rs6000_emit_prologue): New function.
12253 (output_prolog): Use rs6000_emit_prologue.
12254 (rs6000_emit_epilogue): Change a few variable names to be
12255 more accurate. Restore all 64 bits of the registers if
12256 TARGET_POWERPC64. Only restore the FP registers which were used
12257 if they are being saved/restored one-at-a-time.
12258 (output_mi_thunk): Delete inefficient code generation.
12259 (output_function_profiler): Don't use rs6000_output_load_toc_table.
12260 * rs6000.h: Declare rs6000_emit_load_toc_table,
12261 rs6000_allocate_stack_space, stmw_operation. Don't declare
12262 rs6000_output_load_toc_table.
12263 * rs6000.md (elf_high): Allow register 0, but discourage it
12265 (elf_low): Support loading into register 0.
12266 (load_toc_aix_si): New pattern.
12267 (load_toc_aix_di): New pattern.
12268 (load_toc_v4_pic_si): New pattern.
12269 (load_toc_v4_pic_di): New pattern.
12270 (load_toc_v4_PIC_1): New pattern.
12271 (load_toc_v4_PIC_1b): New pattern.
12272 (load_toc_v4_PIC_2): New pattern.
12273 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
12274 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
12275 (prologue): New expander.
12276 (movesi_from_cr): New pattern.
12277 (stmw): New pattern.
12278 (save_fpregs_si): New pattern.
12279 (save_fpregs_di): New pattern.
12281 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12283 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
12288 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12290 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
12292 (movsi_got_internal): Likewise.
12293 (movsi_got_internal+1): Likewise.
12294 (set_sp): 'unspec 7' does a SImode clobber.
12296 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12298 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
12299 allocate a stack temporary.
12300 (floatsidf2_internal): Likewise.
12301 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
12303 (floatunssidf2): Don't use the fpmem "register", just
12304 allocate a stack temporary.
12305 (floatunssidf2_internal): Likewise.
12306 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
12308 (floatsidf2_loadaddr): Delete.
12309 (floatsidf2_store1): Delete.
12310 (floatsidf2_store2): Delete.
12311 (floatsidf2_load): Delete.
12312 (fix_truncdfsi2): Don't use the fpmem "register", just
12313 allocate a stack temporary.
12314 (fix_truncdfsi2_internal_si): Delete.
12315 (fix_truncdfsi2_internal_di): Delete.
12316 (fix_truncdfsi2_internal): New insn.
12317 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
12318 (fix_truncdfsi2_store): Delete.
12319 (fix_truncdfsi2_load): Delete.
12320 (fctiwz): Produce gen_fctiwz.
12322 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
12324 * eabi.h (INVOKE__main): Define.
12325 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
12327 (rs6000_emit_prologue): Likewise.
12328 * rs6000.h (struct rs6000_stack): Don't keep track of whether
12329 this is the main program.
12331 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12333 * rs6000.c (rs6000_va_arg): Delete some unused variables.
12335 2000-01-19 Geoff Keating <geoffk@cygnus.com>
12337 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
12338 goes after the argument.
12340 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12342 * rs6000.md: Document 'unspec' values used.
12343 (epilogue): New expander.
12344 (movesi_to_cr_one): New expander.
12345 (movesi_to_cr and following): New pattern.
12346 (lmw): New pattern.
12347 (return_internal_si): New pattern.
12348 (return_internal_di): New pattern.
12349 (return_and_restore_fpregs_si): New pattern.
12350 (return_and_restore_fpregs_di): New pattern.
12351 * rs6000.h: Declare new functions.
12352 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
12353 rather than rs6000_calls_p.
12354 (rs6000_makes_calls): Delete.
12355 (lmw_operation): New function.
12356 (mtcrf_operation): New function.
12357 (rs6000_emit_epilogue): New function.
12358 (output_epilog): Call rs6000_emit_epilogue and final if
12359 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
12361 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12363 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
12364 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
12365 * aix.h (SUBTARGET_SWITCHES): Document switches.
12366 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
12367 sched-prolog and sched-epilog the same. Document all the
12369 (TARGET_OPTIONS): No longer allow -mdebug-.
12371 2000-01-12 Geoff Keating <geoffk@cygnus.com>
12373 * rs6000.h (ASM_FILE_END): Move to aix.h.
12374 (EXTRA_SECTIONS): Move to aix.h.
12375 (READONLY_DATA_SECTION): Move to aix.h.
12376 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
12377 (SELECT_SECTION): Move to aix.h.
12378 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
12379 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
12380 (LINK_REGISTER_REGNUM): New definition.
12381 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
12382 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
12384 * sysv4.h: Delete the code between the inclusion of rs6000.h
12386 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
12387 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
12388 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
12389 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
12390 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
12391 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
12392 (fix_truncdfsi2_internal_di): New pattern.
12393 (fix_truncdfsi2_store): The second arg here is Pmode too.
12394 (fix_truncdfsi2_load): The second arg here is Pmode too.
12395 (tablejumpdi): Now that switch tables hold only SImode values,
12396 gcc needs to know how to add them to the pc which is DImode.
12397 * rs6000.c (rs6000_stack_info): Use symbolic name for
12398 LINK_REGISTER_REGNUM.
12399 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
12400 (output_toc): Delete unused variables s1 and s2.
12401 (output_ascii): Use fputs not fprintf on a variable string.
12403 2000-01-07 David Edelsohn <edelsohn@gnu.org>
12405 * rs6000.c (processor_target_table): Add power3 as alias for 630.
12406 * aix43.h: Revert Aug 2 change.
12407 (HAS_INIT_SECTION): Define, not visible yet.
12408 (LD_INIT_SWITCH): Define, not visible yet.
12409 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
12411 2000-01-04 Joel Sherrill (joel@OARcorp.com>
12413 * config/rs6000/rtems.h: Include config/rtems.h.
12415 2000-01-04 David Edelsohn <edelsohn@gnu.org>
12417 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
12418 (SLOW_UNALIGNED_ACCESS): Define.
12419 (CASE_VECTOR_MODE): Always use 32-bit offsets.
12420 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
12421 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
12422 (toc_section): Likewise and .toc pseudo-op.
12423 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
12425 (TEXT_SECTION_ASM_OP): Likewise.
12426 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
12429 1999-12-17 Jakub Jelinek <jakub@redhat.com>
12431 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
12432 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
12435 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12437 * rs6000.h: Move more stuff from here...
12439 * sysv4.h: Cleanup accordingly.
12440 * netware.h: Likewise
12442 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12444 * rs6000.h: Continue cleanup.
12446 * lynx.h: Likewise.
12447 * netware.h: Likewise.
12448 * sol2.h: Likewise.
12449 * sysv4.h: Likewise.
12450 * win-nt.h: Likewise.
12452 * rs6000.h (TARGET_SWITCHES): Add descriptions.
12453 (TARGET_OPTIONS): Likewise.
12455 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
12456 (SUBTARGET_OPTIONS): Likewise.
12458 * rs6000.md: Fix compile time warnings.
12460 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12462 vxworks patches from the Cygnus tree originally by
12463 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
12464 <vmakarov@cygnus.com>.
12465 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
12466 (ENDFILE_SPEC): Likewise.
12467 (LIB_VXWORKS_SPEC): New macro.
12468 (STARTFILE_VXWORKS_SPEC): New macro.
12469 (ENDFILE_VXWORKS_SPEC): New macro.
12470 (LINK_START_VXWORKS_SPEC): New macro.
12471 (LINK_OS_VXWORKS_SPEC): New macro.
12472 (CPP_OS_VXWORKS_SPEC): New macro.
12473 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
12474 * vxppc.h: Rewrite to use proper configuration method.
12475 * vxppcle.h: New file.
12476 * ../../configure.in: Add powerpcle-wrs-vxworks*.
12477 * ../../configure: Rebuilt.
12479 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12481 Lots of changes to rs6000.h, sysv4.h, aix.h,
12482 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
12483 with the aim that rs6000.h is the first header
12484 included and the others override it.
12487 * x-aix41-gld: Remove.
12489 * x-aix41: Remove target-specific switches, and don't specify
12490 -Wl,-bbigtoc as we don't need it any more.
12491 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
12492 Use t-aix43 for AIX 4.3 and above.
12493 * ../../configure: Regenerated.
12495 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
12496 options, that don't do anything yet.
12497 (MASK_SCHED_PROLOG): New macro.
12498 (MASK_SCHED_EPILOG): New macro.
12499 (TARGET_SCHED_PROLOG): New macro.
12500 (TARGET_SCHED_EPILOG): New macro.
12502 2000-01-04 Geoff Keating <geoffk@cygnus.com>
12504 * rs6000.c: Correct comment, the `minimal' TOCs are actually
12505 one per translation unit, not one per function.
12506 (output_toc): Also do duplicate constant elimination
12507 for per-translation-unit TOCs.
12509 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
12510 a comment explaining _exactly_ when this pattern gets used.
12511 (builtin_setjmp_receiver): New pattern for better clarity.
12512 (init_v4_pic): Move it into a section dealing with TOC registers.
12514 1999-12-30 Geoff Keating <geoffk@cygnus.com>
12516 * rs6000.c (toc_hash_table): New variable.
12517 (rs6000_hash_constant): New function.
12518 (toc_hash_function): New function.
12519 (toc_hash_eq): New function.
12520 (toc_hash_mark_entry): New function.
12521 (toc_hash_mark_table): New function.
12522 (output_toc): Don't output duplicate TOC entries in
12524 (rs6000_add_gc_roots): Add the hash table as a GC root.
12525 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
12526 where they clearly shouldn't be. This may need to be fixed
12527 later when there is a GNU ar for AIX.
12528 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
12529 Don't define BOOT_LDFLAGS as it is now not necessary.
12531 1999-12-29 Geoff Keating <geoffk@cygnus.com>
12533 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
12534 for va_list on AIX. Use unsigned_char_type_node rather than
12535 constructing our own version on svr4.
12537 1999-12-17 Geoff Keating <geoffk@cygnus.com>
12539 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
12540 since patently it's not.
12542 1999-12-08 Geoff Keating <geoffk@cygnus.com>
12544 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
12545 define_expand/define_insn pair, and handle restore of the
12546 SVR4 -fpic register.
12548 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
12550 * acconfig.h (HAVE_GAS_WEAK): New define.
12551 * configure.in (assembler weak support): Check for .weak support.
12552 * config.in, configure: Rebuilt.
12553 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
12554 HAVE_GAS_WEAK is defined.
12556 2000-03-15 Nick Clifton <nickc@cygnus.com>
12558 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
12561 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
12563 * cppfiles.c (open_include_file): New function.
12564 (find_include_file, cpp_read_file): Use it.
12566 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
12568 * cpphash.c (dump_hash_helper): Take the slot, not the element.
12570 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
12572 * flow.c (verify_flow_info): Check for unconditional return.
12574 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
12576 * config/ia64/ia64.md (restore_stack_nonlocal): New.
12577 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
12578 (__ia64_restore_stack_nonlocal): New.
12579 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
12581 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12583 * cpphash.c (collect_formal_parameters): Do not complain about
12584 parameter names that just start with `__VA_ARGS__'.
12586 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
12588 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
12589 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
12590 * i386.c (pentiumpro_cost): Set mul cost to 4.
12591 (x86_use_movx): Set for PPro.
12593 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
12595 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
12596 STACK_BOUNDARY for empty frames now.
12598 2000-03-14 Mark Mitchell <mark@codesourcery.com>
12600 * stor-layout.c (layout_union): Remove.
12601 (layout_union_field): New function, split out from layout_union.
12602 (finish_union_layout): Likewise.
12603 (layout_field): Handle unions by calling layout_union_field.
12604 (finish_record_layout): Handle unions.
12605 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
12606 QUAL_UNION_TYPE handling.
12608 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
12610 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
12611 end of basic block is jump_insn, not barrier; use create_basic_block
12612 instead of creating basic block by hand.
12614 2000-03-14 Jason Eckhardt <jle@cygnus.com>
12616 * flow.c (reorder_basic_blocks): Account for barriers when writing
12617 over NEXT_INSN (last_bb->end).
12618 (verify_flow_info): Add check for missing barriers.
12620 2000-03-14 Greg McGary <gkm@gnu.org>
12622 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
12623 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
12624 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
12625 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
12626 __unbounded, __unbounded__): New keywords.
12627 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
12628 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
12629 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
12631 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
12633 * cselib.h: New file.
12634 * alias.c: Include "cselib.h".
12635 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
12636 MEMs as two new arguments.
12637 (get_addr): New static function.
12638 (find_base_term): Handle VALUEs.
12639 (memrefs_conflict_p): Likewise.
12640 (true_dependence): Call get_addr on the addresses.
12641 Call fixed_scalar_and_varying_struct_p with addresses that have been
12642 passed through get_addr and canon_rtx.
12643 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
12644 with true_dependence.
12645 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
12646 * loop.c: Include "cselib.h".
12647 (load_mems): Process extended basic block that enters the loop with
12648 cselib. Use that information to change initialization of the shadow
12649 register so that a constant equivalence is seen by later passes.
12650 * reload1.c: Include "cselib.h".
12651 (reload_cse_invalidate_regno): Delete function.
12652 (reload_cse_mem_conflict_p): Likewise.
12653 (reload_cse_invalidate_mem): Likewise.
12654 (reload_cse_invalidate_rtx): Likewise.
12655 (reload_cse_regno_equal_p): Likewise.
12656 (reload_cse_check_clobber): Likewise.
12657 (reload_cse_record_set): Likewise.
12658 (reg_values): Delete static variable.
12659 (invalidate_regno_rtx): Likewise.
12660 (reload_cse_delete_noop_set): New static function.
12661 (reload_cse_simplify): New static function, broken out of
12663 (reload_cse_noop_set_p): Delete unused argument INSN.
12664 Just call rtx_equal_for_cselib_p on set source and destination.
12665 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
12666 reload_cse_delete_noop_set. Delete code to keep track of values; use
12667 cselib functions instead. Delete code to push/pop obstacks.
12668 (reload_cse_simplify_set): Use cselib to find equivalent values.
12669 Delete code to push/pop obstacks.
12670 (reload_cse_simplify_operands): Likewise.
12671 * rtl.def (VALUE): New rtx code.
12672 * rtl.h (union rtunion_def): New elt rt_cselib.
12673 (X0CSELIB, CSELIB_VAL_PTR): New macros.
12674 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
12675 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
12676 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
12677 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
12678 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
12679 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
12680 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
12681 cselib_record_set, cselib_record_sets): New static functions.
12682 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
12683 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
12684 references_value_p): New functions.
12685 (MAX_USELESS_VALUES, REG_VALUES): New macros.
12686 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
12687 n_useless_values, reg_values, callmem, cselib_obstack,
12688 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
12689 New static variables.
12690 * varray.h (union varray_data_tag): New elt te.
12691 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
12692 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
12695 2000-03-14 Nick Clifton <nickc@cygnus.com>
12697 * gcc.c (do_spec_1): Catch the case where %* is used in a
12698 substitution pattern, but it has not been initialised.
12699 Issue a meaningful error message if an unrecognised operator
12700 is encountered in a spec string.
12702 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
12704 * function.c (prepare_function_start): Correctly initialize
12705 cfun->stack_alignment_needed.
12707 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
12709 * cppfiles.c (find_include_file): Don't assume nshort is a
12712 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
12714 * configure.in (hppa configurations): Add pa32-regs.h to the
12715 list of tm files as appropriate.
12716 * configure: Rebuilt.
12717 * pa.c (compute_frame_size): Remove explicit knowledge about FP
12718 register numbering.
12719 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
12720 (fmpyaddoperands, fmpysuboperands): Likewise.
12721 * pa.h: Remove various definitions which depend on knowing
12722 how registers are numbered.
12723 * pa32-regs.h: New file with PA32 register numbering specific
12726 2000-03-14 Richard Henderson <rth@cygnus.com>
12728 * regmove.c (combine_stack_adjustments): New.
12729 (stack_memref_p, single_set_for_csa): New.
12730 (free_csa_memlist, record_one_stack_memref): New.
12731 (try_apply_stack_adjustment): New.
12732 (combine_stack_adjustments_for_block): New.
12733 * rtl.h (combine_stack_adjustments): Declare.
12734 * toplev.c (rest_of_compilation): Call it.
12736 * i386.md: Revert 2000-01-16 change.
12738 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12740 * gccbug.in: Add web category, gcc specific classes.
12742 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
12744 * stor-layout.c (finalize_record_size): Fix typo.
12746 2000-03-14 Stan Shebs <shebs@apple.com>
12748 * c-typeck.c (c_alignof): Error on incomplete types.
12749 * extend.texi (Alignment): Document this.
12751 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12753 * cppfiles.c: Include mkdeps.h.
12754 (find_include_file, read_include_file): Remove _cpp_ prefix
12755 from name, make static.
12756 (_cpp_execute_include): New function, broken out of
12759 * cpplib.c: Don't include mkdeps.h.
12760 (struct directive): Remove type field. Reorder entries. The
12761 function takes only one argument.
12762 (struct if_stack): Make type field an int.
12763 (directive_table): Rename to dtable. Generate it, the
12764 prototypes of the directive handlers, and the enum for the
12765 directive numbers, from a template macro.
12766 (do_ifndef, do_include_next, do_import): New functions.
12767 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
12768 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
12769 do_ident, do_assert, do_unassert, do_sccs): Take only one
12771 (do_sccs): Define always, but alter behavior based on
12773 (_cpp_handle_directive, consider_directive_while_skipping):
12774 Restructure for new directive table layout.
12776 (pass_thru_directive): Take a directive number, not a pointer
12777 to a struct directive.
12778 (parse_include): New function, broken out of do_include.
12779 (do_include, do_import, do_include_next): Use parse_include
12780 and _cpp_execute_include.
12781 (do_elif, do_else): Test for T_ELSE specifically when checking
12782 for #elif/#else after #else.
12783 (parse_ifdef): New function, broken out of do_ifdef.
12784 (validate_else): Expect a name arg without a leading #.
12785 (if_directive_name): Delete.
12786 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
12787 directive handlers with only one argument.
12789 * cpphash.h: Update prototypes.
12790 (enum node_type): Remove entries for directives.
12791 * Makefile.in: Update dependencies.
12793 * cpphash.c (dump_hash_helper): Only dump nodes of type
12794 T_MACRO. Emit a newline after each definition.
12796 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12798 * gccbug.in: New file.
12799 * configure.in (all_outputs): Add gccbug.
12800 * Makefile.in (install-common): Install gccbug.
12801 (GCCBUG_INSTALL_NAME): New variable.
12802 * configure: Rebuilt.
12804 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12806 * function.c (put_var_into_stack): Use type_for_mode to calculate
12807 part_type. Use MEM_SET_IN_STRUCT_P.
12808 * expr.c (store_field): Handle CONCAT.
12809 (store_constructor): Use fields_length.
12810 * tree.c (fields_length): New fn.
12811 * tree.h: Declare it.
12813 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12815 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
12816 (cpplex.o): New target.
12817 * po/POTFILES.in: Add cpplex.c.
12819 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
12820 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
12821 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
12822 skip_block_comment, skip_line_comment, skip_comment,
12823 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
12824 _cpp_parse_name, skip_string, parse_string,
12825 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
12826 _cpp_get_directive_token, find_position,
12827 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
12828 (maybe_macroexpand, _cpp_lex_token): New functions.
12830 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
12831 parse_goto_mark): Delete.
12832 (_cpp_handle_eof): New function.
12833 (_cpp_handle_directive): Rename from handle_directive.
12834 (_cpp_output_line_command): Rename from output_line_command.
12835 (do_if, do_elif): Call _cpp_parse_expr directly.
12836 * cppfiles.c (_cpp_read_include_file): Don't call
12837 init_input_buffer here.
12838 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
12839 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
12840 here; pop the token_buffer and skip the rest of the line here.
12841 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
12844 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
12846 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
12847 CPP_GOTO_MARK): New macros.
12848 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
12849 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
12850 _cpp_read_and_prescan, _cpp_init_input_buffer,
12851 _cpp_grow_token_buffer, _cpp_get_directive_token,
12852 _cpp_handle_directive, _cpp_handle_eof,
12853 _cpp_output_line_command): Prototype them here.
12854 * cpplib.h (enum cpp_token): Add CPP_MACRO.
12855 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
12856 quote_string, output_line_command): Remove.
12858 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
12860 * stmt.c (expand_end_case): RANGE may be signed, and when checking
12861 whether it is too large we must also verify that it isn't negative.
12863 2000-03-13 Jakub Jelinek <jakub@redhat.com>
12865 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
12866 (movsi_zero_liveg0): Remove.
12867 (movsf_insn_novis_liveg0): Remove.
12869 (negsi2_not_liveg0): Rename to negsi2.
12870 (one_cmplsi2): Remove.
12871 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
12872 (one_cmplsi2_liveg0): Remove.
12873 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
12874 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
12875 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
12876 (PREDICATE_CODES): Remove zero_operand.
12877 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
12878 TARGET_BROKEN_SAVERESTORE.
12879 (zero_operand): Remove.
12880 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
12881 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
12883 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
12884 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
12885 TARGET_BROKEN_SAVERESTORE): Remove.
12886 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12888 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12890 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
12893 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
12895 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
12897 * cpplib.c (do_pragma_implementation): Fix off-by-one error
12898 truncating a string. Don't assume tokens are nul terminated.
12899 Problem noted by Andreas Jaeger <aj@suse.de>
12901 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
12903 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
12904 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
12905 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
12907 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
12909 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
12910 STRUCTURE_SIZE_BOUNDARY.
12912 2000-03-13 Mark Mitchell <mark@codesourcery.com>
12914 * tree.h (record_layout_info_s): New structure.
12915 (record_layout_info): New type.
12916 (new_record_layout_info): New function.
12917 (layout_field): Likewise.
12918 (finish_record_layout): Likewise.
12919 * stor-layout.c (layout_record): Remove.
12920 (new_record_layout_info): New function.
12921 (layout_field): New function, broken out from layout_record.
12922 (finalize_record_size): Likewise.
12923 (compute_record_mode): Likewise.
12924 (finalize_type_size): New function, broken out from layout_type.
12925 (finish_record_layout): Likewise.
12926 (layout_type): Use them.
12928 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12930 * cpphash.c: Don't include version.h.
12931 (special_symbol) [case T_VERSION]: Look for the string in
12932 hp->value.cpval; don't use version_string.
12933 * cppinit.c (initialize_builtins): Set hp->value.cpval for
12934 __VERSION__ to version_string.
12935 * Makefile.in (cpphash.o): Update deps.
12937 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
12939 Convert cpplib to use libiberty/hashtab.c.
12941 * cpplib.h (struct cpp_reader): Make hashtab and
12942 all_include_files of type 'struct htab *'. Delete HASHSIZE
12943 and ALL_INCLUDE_HASHSIZE macros.
12945 * cpphash.h: Update prototypes.
12946 (struct hashnode): Remove next, prev, and bucket_hdr members.
12947 Make length a size_t. Add hash member.
12948 (struct ihash): Remove next member. Add hash member. Make
12949 name a flexible array member.
12951 * cppfiles.c: Include hashtab.h.
12952 (include_hash): Delete.
12953 (IHASHSIZE): New macro.
12954 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
12955 (cpp_included): Do the hash lookup here.
12956 (_cpp_find_include_file): Rewrite.
12957 (cpp_read_file): Put the "fake" hash entry into the hash
12958 table. Honor the control_macro, if it turns out we've seen
12959 the file before. Don't push the buffer here.
12960 (_cpp_read_include_file): Push the buffer here.
12961 (OMODES): New macro. Use it whenever we call open(2).
12963 * cpphash.c: Include hashtab.h.
12964 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
12965 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
12966 _cpp_lookup_slot): New functions.
12967 (HASHSIZE): new macro.
12968 (hashf, _cpp_install, _cpp_delete_macro): Delete.
12969 (_cpp_lookup): Use hashtab.h routines.
12971 * cppinit.c: Include hashtab.h.
12972 (cpp_reader_init): Call _cpp_init_macro_hash and
12973 _cpp_init_include_hash. Don't allocate hashtab directly.
12974 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
12975 pfile->all_include_files.
12976 (initialize_builtins): Use _cpp_make_hashnode and
12977 htab_find_slot to add hash entries.
12978 (cpp_finish): Just call _cpp_dump_macro_hash.
12979 * cpplib.c: Include hashtab.h.
12980 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
12981 create hash entries.
12982 (do_pragma_poison, do_assert): Likewise.
12983 (do_include): Don't push the buffer here. Don't increment
12984 system_include_depth unless _cpp_read_include_file succeeds.
12985 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
12986 or htab_remove_elt.
12987 (do_pragma_implementation): Use alloca to create copy.
12989 * Makefile.in: Update dependencies.
12991 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12993 * cppinit.c (cl_directive_handler): More K&R fixing.
12995 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
12997 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
12999 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
13001 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13003 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
13004 Change from char[] to macros.
13006 2000-03-12 Neil Booth <NeilB@earthling.net>
13008 * cppinit.c (cpp_start_read): Update indirect function
13011 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
13013 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
13016 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
13017 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
13019 2000-03-11 Neil Booth <NeilB@earthling.net>
13021 * cppinit.c (struct pending option): Replace undef with a
13022 pointer to a directive handling routine.
13023 (struct cpp_pending): Replace separate assert_ and define_
13024 lists with one directive_ list.
13025 (new_pending_define): Rename new_pending_directive. Extra
13026 argument is the directive's handling routine.
13027 (handle_option): Update to use new_pending_directive.
13029 2000-03-11 Neil Booth <NeilB@earthling.net>
13031 * cppfiles.c (file_cleanup, _cpp_find_include_file,
13032 remap_filename, _cpp_read_include_file, actual_directory,
13033 hack_vms_include_specification): Replace bcopy(), index() etc
13034 calls. Add casts to some allocations. Make some variables
13035 pointers to const [unsigned] char.
13036 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
13037 collect_formal_parameters): Similarly.
13038 * cppinit.c (struct pending_option, append_include_chain,
13039 cpp_options_init, cpp_reader_init, initialize_standard_includes,
13040 cpp_start_read, new_pending_define, handle_option): Similarly.
13041 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
13042 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
13043 do_pragma_implementation, detect_if_not_defined,
13044 do_ifdef, skip_if_group, cpp_get_token, parse_string,
13045 do_assert, do_unassert): Similarly.
13046 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
13047 function prototypes.
13048 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
13050 2000-03-10 Richard Henderson <rth@cygnus.com>
13052 * builtins.c (expand_builtin_strlen): Revert last change.
13053 Use emit_insn_before if we're at the beginning of a sequence.
13055 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
13057 * builtins.c (expand_builtin_strlen): Make sure that we have something
13058 at the beginning of the sequence.
13060 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
13063 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
13065 2000-03-10 Richard Henderson <rth@cygnus.com>
13067 * except.c (can_throw): Use INTVAL on a CONST_INT.
13068 (reachable_handlers): Likewise.
13069 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
13071 2000-03-10 Andreas Jaeger <aj@suse.de>
13073 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
13074 MD_STARTFILE_PREFIX since those are not needed on linux.
13075 (ASM_FILE_START): New, from mips/gnu.h.
13077 2000-03-09 Richard Henderson <rth@cygnus.com>
13078 Alex Samuel <samuel@codesourcery.com> and others
13080 * Makefile.in (ssa.o): New rule.
13082 (STAGESTUFF): Add *.ssa and *.ussa.
13083 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
13084 * rtl.def (PHI): New RTL expression.
13085 * rtl.h (clear_log_links): New declaration.
13086 (convert_to_ssa): Likewise.
13087 (convert_from_ssa): Likewise.
13088 * flow.c (split_edge): If the entry node falls through to the
13089 split edge's source block, split the entry edge.
13090 (clear_log_links): New function.
13091 * toplev.c (ssa_dump): New variable.
13092 (flag_ssa): Likewise.
13093 (f_options): Add "ssa".
13094 (compile_file): Create SSA dump files.
13095 (rest_of_compilation): Go to and from SSA if enabled.
13096 (decide_d_option): Handle -de for SSA dump files.
13099 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
13101 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
13104 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
13106 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
13108 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
13110 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
13111 (MD_STARTFILE_PREFIX_1): New macro.
13113 2000-03-09 Robert Lipe <robertl@sco.com>
13115 * config/ia64/ia64.c: Include system.h.
13117 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
13119 * except.c (nothrow_function_p): If -fno-exceptions, just return.
13120 (init_eh_nesting_info): Likewise.
13122 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
13123 (TREE_NOTHROW): Rename from TREE_RAISES.
13124 * toplev.c (rest_of_compilation): Set it.
13125 * print-tree.c (print_node): Adjust.
13126 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
13127 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
13128 * calls.c (emit_call_1): Add 'nothrow' parm. Add
13129 REG_EH_REGION note as appropriate.
13130 (libfunc_nothrow): New fn.
13131 (emit_library_call, emit_library_call_value): Use it.
13132 (expand_call): Check TREE_NOTHROW.
13134 * varasm.c (make_decl_rtl): Skip initial '*' when setting
13135 DECL_ASSEMBLER_NAME.
13137 2000-03-09 Andreas Jaeger <aj@suse.de>
13139 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
13140 (TARGET_MEM_FUNCTIONS): Define.
13142 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
13144 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
13146 * except.c (can_throw): See through a SEQUENCE.
13147 (nothrow_function_p): New fn.
13148 * except.h: Declare it.
13149 * function.c (current_function_nothrow): New var.
13150 (prepare_function_start): Initialize it.
13151 * output.h: Declare it.
13152 * toplev.c (rest_of_compilation): Set it.
13153 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
13155 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
13157 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
13158 match. (cpp_compare_defs): Count the nul separator when
13159 advancing over argument names.
13161 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
13163 * recog.c (preprocess_constraints): Matching constraints affect
13164 same alternative/different operand, not same operand/different
13167 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
13168 register and a constant specially.
13170 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13172 * libgcc2.h: New file.
13173 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
13175 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
13177 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
13178 * configure: Regenerate.
13179 * config/ia64: New.
13181 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
13183 * Makefile.in (LIBCPP_DEPS): New macro.
13184 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
13185 it to declare deps.
13186 * cpperror.c: Include cpphash.h.
13187 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
13189 (lex): Don't use CPP_WARN_UNDEF.
13190 (_cpp_parse_expr): Return an int, the truth value.
13191 * cppfiles.c: Include cpphash.h.
13192 (_cpp_merge_include_chains): Move to cppinit.c and make static.
13193 * cppinit.c (include_defaults_array): Disentangle.
13194 (cpp_cleanup): Don't free the if stack here.
13195 (cpp_finish): Pop off all buffers, not just one.
13196 * cpplib.c (eval_if_expr): Return int.
13197 (do_xifdef): Rename do_ifdef.
13198 (handle_directive): Don't use CPP_PREPROCESSED.
13199 (cpp_get_token): Don't use CPP_C89.
13200 * fix-header.c: Don't use CPP_OPTIONS.
13202 * cpplib.h: Move U_CHAR, enum node_type, struct
13203 file_name_list, struct ihash, is_idchar, is_idstart,
13204 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
13205 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
13206 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
13207 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
13208 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
13209 of _cpp_simplify_pathname, _cpp_find_include_file,
13210 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
13211 Move struct if_stack to cpplib.c. Move struct cpp_pending to
13213 Change all uses of U_CHAR to be unsigned char instead.
13214 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
13216 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13218 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
13219 (dwarf2out_begin_prologue): Set it.
13220 (output_call_frame_info): Don't emit EH unwind info for leaves.
13222 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
13223 can occur outside of an EH region.
13224 * except.c: Correct comments about rethrow behavior.
13225 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
13227 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
13229 * flow.c (make_edges): Always call make_eh_edge for calls.
13231 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
13233 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
13234 (struct cpp_buffer): Remove fname and underflow fields.
13235 (struct cpp_reader): Remove get_token field.
13236 (struct include_hash): Rename to struct ihash. Add typedef to
13238 (struct if_stack): Remove fname field.
13239 (IF_STACK_FRAME): Rename to IF_STACK.
13241 * cpperror.c (print_containing_files): Trust that there are no
13242 macro buffers below the top file buffer.
13243 * cppfiles.c: Replace all references to 'struct include_hash'
13244 with 'IHASH'. Rename initialize_input_buffer to
13245 init_input_buffer. Don't set or reference cpp_buffer->fname,
13246 use buffer->ihash->name instead.
13247 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
13248 not CPP_NULL_BUFFER.
13249 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
13250 IF_STACK_FRAME, IHASH not struct include_hash.
13251 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
13252 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
13253 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
13254 references to cpp_buffer->fname (delete entirely, or use
13255 ->ihash->name instead) and IF_STACK->fname.
13256 (cpp_push_buffer): Don't set new->underflow.
13257 (do_include): Use cpp_file_buffer.
13259 * cpphash.c (collect_formal_parameters): Remove duplicate
13260 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
13261 used as a macro argument name. Don't append "..." to namebuf
13262 for varargs macros. After we're done scanning, go through
13263 namebuf and make it NUL separated, not comma separated.
13264 (_cpp_compare_defs): Remove register tag from variables.
13265 Expect defn->argnames to be NUL separated.
13266 (_cpp_dump_definition): Expect defn->argnames to be NUL
13267 separated and in forward order.
13268 * cpphash.h: Update documentation of argnames field.
13270 2000-03-08 Richard Henderson <rth@cygnus.com>
13272 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
13273 to fail. Don't pre-expand the source operand.
13275 * i386.md (strlensi): Initialize eoschar and align before use.
13277 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
13279 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
13280 CONSTRUCTOR element.
13282 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
13284 * mips.c (mips_expand_prologue): If the last
13285 named argument is the vararg marker "va_list", treat it as
13286 an unnamed argument.
13288 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
13290 * dbxout.c (dbxout_parms): When correcting for promoted
13291 big-endian parameters, use the mode of the DECL_RTL rather
13292 than UNITS_PER_WORD.
13294 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
13296 * c-common.h (make_fname_decl): Declare.
13297 * c-common.c (make_fname_decl): Define.
13298 (declare_hidden_char_array): Remove.
13299 (declare_function_name): Use make_fname_decl.
13300 * c-decl.c (c_make_fname_decl): New function.
13301 (init_decl_processing): Set make_fname_decl.
13303 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
13305 * cccp.c (handle_directive): Initialize backslash_newlines_p.
13307 2000-03-07 Philipp Thomas <pthomas@suse.de>
13309 * po/POTFILES.in: Remove cppalloc.c from file list.
13311 2000-03-07 Steve Chamberlain <sac@pobox.com>
13313 * pj.c (pj_expand_prologue): current_function->args_info is
13314 now current_function_args_info.
13316 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
13317 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
13318 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
13320 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13322 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
13323 output as hexadecimal rather than the default octal.
13325 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13327 * cpphash.c (special_symbol): Fix thinko in previous commit.
13329 2000-03-07 Neil Booth <NeilB@earthling.net>
13331 * cppexp.c (struct operation, left_shift, right_shift,
13332 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
13333 "int"s to "unsigned int"s.
13334 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
13336 * cpplib.h: Update for above.
13337 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
13338 returned from allocations.
13340 * cppinit.c (opt_comp, parse_options): New functions.
13341 (handle_option): Use parse_option to parse a single command
13342 line option, that possibly takes an argument.
13343 (cpp_handle_options): Sort the array of command line options on
13344 first invocation (non-ASCII hosts only).
13345 (print_help): Update.
13347 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
13349 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
13350 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
13352 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
13354 * cppinit.c (cpp_cleanup): Free imp->nshort also.
13356 * cpperror.c (cpp_print_containing_files,
13357 cpp_print_file_and_line, v_cpp_message): Rename to
13358 print_containing_files, print_file_and_line, and v_message.
13359 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
13360 to _cpp_parse_expr, parse_escape, and lex.
13361 (parse_charconst): Remove broken multibyte support.
13362 * cppfiles.c (include_hash): Make static.
13363 (cpp_included): New function.
13364 (merge_include_chains, find_include_file, finclude,
13365 simplify_pathname): Rename to _cpp_merge_include_chains,
13366 _cpp_find_include_file, _cpp_read_include_file, and
13367 _cpp_simplify_pathname.
13368 * cpphash.c (cpp_lookup, free_definition, delete_macro,
13369 cpp_install, create_definition, macroexpand, compare_defs,
13370 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
13371 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
13372 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
13373 * cppinit.c (cpp_handle_option): Rename to handle_option, make
13375 * cpplib.c: Remove extern prototype of cpp_parse_expr.
13377 * cpphash.h: Update prototypes.
13378 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
13380 2000-03-07 Andrew Haley <aph@cygnus.com>
13382 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
13383 PTRDIFF_TYPE should be based solely on Pmode.
13384 (SIZE_TYPE): ditto.
13386 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13388 * rtl.h (rtunion_def): Constify member `rtstr'.
13389 (emit_line_note_after, emit_line_note, emit_line_note_force,
13390 emit_note, decode_asm_operands): Constify.
13392 * cse.c (canon_hash): Likewise.
13394 * dbxout.c (dbxout_block): Likewise.
13396 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
13397 v_warning_for_asm): Likewise.
13399 * dwarfout.c (function_start_label): Likewise.
13401 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
13402 emit_line_note_force): Likewise.
13404 * final.c (last_filename, asm_insn_count, final_scan_insn,
13405 output_source_line): Likewise.
13407 * function.h (struct emit_status): Likewise.
13409 * gcse.c (hash_expr_1): Likewise.
13411 * genattr.c (gen_attr, main): Likewise.
13413 * genattrtab.c (struct function_unit, current_alternative_string,
13414 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
13415 attr_numeral, check_attr_test, check_attr_value,
13416 convert_set_attr_alternative, convert_set_attr,
13417 compute_alternative_mask, simplify_by_exploding, gen_attr,
13418 gen_unit): Likewise.
13420 * genflags.c (gen_insn): Likewise.
13422 * gengenrtl.c (type_from_format): Likewise.
13424 * genopinit.c (gen_insn): Likewise.
13426 * genoutput.c (n_occurrences, process_template, process_template):
13429 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13432 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
13435 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
13436 ggc_set_mark, ggc_get_size): Likewise.
13438 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
13440 * optabs.c (init_one_libfunc): Likewise.
13442 * output.h (assemble_start_function): Likewise.
13444 * recog.c (decode_asm_operands): Likewise.
13446 * toplev.c (rest_of_compilation): Likewise.
13448 * tree.h (emit_line_note_after, emit_line_note,
13449 emit_line_note_force): Likewise.
13451 * varasm.c (asm_output_bss, asm_output_aligned_bss,
13452 asm_emit_uninitialised, assemble_start_function,
13453 assemble_variable, const_hash, compare_constant_1,
13454 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
13456 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
13458 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
13460 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
13462 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
13464 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
13465 arm_dllimport_name_p): Likewise.
13467 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
13470 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
13472 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13474 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
13475 arm_mark_dllexport, arm_mark_dllimport,
13476 arm_pe_encode_section_info): Likewise.
13478 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
13479 ASM_FINISH_DECLARE_OBJECT): Likewise.
13481 * arm/thumb.c (thumb_function_prologue): Likewise.
13483 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
13485 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13487 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
13489 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
13491 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
13493 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13495 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
13496 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
13498 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
13500 * i386/i386.c (asm_output_function_prefix): Likewise.
13502 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
13504 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13506 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
13508 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
13509 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
13510 ASM_OUTPUT_SECTION_NAME): Likewise.
13512 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
13514 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
13516 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
13518 * m32r/m32r.c (m32r_encode_section_info): Likewise.
13520 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13522 * mcore/mcore.c (mcore_encode_section_info): Likewise.
13524 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13526 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13528 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13530 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
13532 * mips/mips.md (movdi, movsi): Likewise.
13534 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13536 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13538 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
13540 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
13541 ASM_OUTPUT_ASCII): Likewise.
13543 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
13544 output_mi_thunk, output_toc): Likewise.
13546 * rs6000/rs6000.md (movsi): Likewise.
13548 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
13550 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
13552 * v850/v850.c (print_operand, print_operand_address,
13553 v850_encode_data_area): Likewise.
13555 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
13557 * config/mips/mips.md (zero_extendsidi2): Always force operand
13558 one to memory for mips16.
13560 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13562 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
13563 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
13564 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
13565 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
13566 (min_precision): Result is unsigned.
13567 (add_double, neg_double, mul_double): Low word is unsigned.
13568 (lshift_double, rshift_double, lrotate_double): Likewise.
13569 (rrotate_double, div_and_round_double): Likewise.
13570 (tree_floor_log2, compare_tree_int): New functions.
13571 (preserve_rtl_expr_temps): New declaration.
13572 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
13573 (decl_attributes): Use tree_log2 to find alignment.
13574 Check for TREE_INT_CST_HIGH for format args.
13575 (min_precision): Now unsigned.
13576 Use tree_floor_log2.
13577 (truthvalue_conversion): Delete long-disabled code.
13578 * c-decl.c (finish_struct): Clean up tests on field width.
13579 (finish_function): Use compare_tree_int.
13580 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
13581 * c-typeck.c (comptypes): Use tree_int_cst_equal.
13582 (default_conversion, digest_init): Use compare_tree_int.
13583 (build_binary_op): Use integer_all_onesp and compare_tree_int.
13584 Fix type errors in forming masks.
13585 * calls.c (initialize_argument_information): Use compare_tree_int.
13586 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13587 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
13588 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
13589 (store_field): Use compare_tree_int.
13590 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
13591 (expand_expr, case ARRAY_REF): Use compare_tree_int.
13592 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
13593 (do_store_flag): Use compare_tree_int.
13594 * fold-const.c (encode, decode): Low part is always unsigned.
13595 (force_fit_type, add_double, neg_double, mul_double): Likewise.
13596 (lshift_double, rshift_double, lrotate_double): Likewise.
13597 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
13598 (fold_convert): Use compare_tree_int.
13599 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
13600 (invert_truthvalue, case INTEGER_CST): Likewise.
13601 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
13602 * mkdeps.c (deps_dummy_targets): Make I unsigned.
13603 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
13604 (lshift_double, rshift_double, lrotate_double, rrotate_double):
13606 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
13607 (expand_end_case): Use compare_tree_int.
13608 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
13609 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
13610 (layout_decl): Likewise.
13611 (layout_record, layout_union): Make sizes unsigned.
13612 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
13613 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
13614 * tree.c (struct type_hash): hashcode is unsigned.
13615 (build_type_attribute_variant, type_hash_list): Likewise.
13616 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
13617 (attribute_hash_list, build_array_type, build_method_type): Likewise.
13618 (build_complex_type): Likewise.
13619 (real_value_from_int_cst): Remove unneeded casts.
13620 (integer_all_onesp): Add casts.
13621 (tree_floor_log2, compare_tree_int): New functions.
13622 (build_index_type): Use tree_int_cst_sgn.
13623 * varasm.c (assemble_variable): Use compare_tree_int.
13625 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
13627 * cpphash.c (collect_expansion): Also catch ## at start of macro.
13629 * varasm.c (make_decl_rtl): Don't add a number to members of
13631 (make_function_rtl): Likewise.
13633 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13635 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
13636 patch from 2000-01-28.
13638 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
13640 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
13641 filled with an insn from the jump target.
13643 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13645 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
13646 (c4x_external_ref): Likewise.
13647 * config/c4x/c4x.c (struct name_list): Likewise.
13649 1999-12-16 Ben Collins <bcollins@debian.org>
13651 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
13652 argument to genmultilib.
13653 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
13654 the contents into the multilib.h header.
13655 * gcc.c: Declare multilib_exclusions for the specs file.
13656 (set_multilib_dir): Use it.
13657 (print_multilib_info): Likewise.
13658 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
13659 to pass to genmultilib.
13661 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13663 * builtins.c (built_in_class_names, built_in_names): Constify a
13666 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
13668 (_mcleanup): Ensure value matches format specifier in sprintf.
13670 * cpphash.c (special_symbol): Don't needlessly cast away
13673 * cppinit.c (base_name): Delete unused prototype.
13675 * mkdeps.c (deps_init): Make definition K&R safe.
13677 * tree.h (built_in_class_names, built_in_names): Constify a
13680 2000-03-06 Jakub Jelinek <jakub@redhat.com>
13682 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
13683 floating point instructions for epilogue delay.
13685 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
13686 to gas if it supports .register pseudo.
13688 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
13689 LONG_DOUBLE_TYPE_SIZE if not defined.
13690 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
13691 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
13692 * real.c: Likewise.
13693 * gengenrtl.c: Likewise.
13694 * print-rtl.c: Likewise.
13696 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
13697 MASK_LONG_DOUBLE_128.
13698 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
13699 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
13700 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
13701 (SUBTARGET_SWITCHES): Define.
13702 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
13703 with -mlong-double-128.
13704 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13705 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13706 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13707 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
13708 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
13709 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
13710 with -mlong-double-128.
13711 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
13712 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
13713 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
13714 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
13715 TARGET_LONG_DOUBLE_128): Define.
13716 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
13717 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
13718 long double on TARGET_ARCH64.
13720 2000-03-06 Mark Mitchell <mark@codesourcery.com>
13722 * function.c (free_temps_for_rtl_expr): Don't free slots
13723 that have been pushed into a higher level.
13726 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13728 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13730 * basic-block.h (ALLOCA_REG_SET): Remove.
13731 (INITIALIZE_REG_SET): New macro.
13732 * flow.c (update_life_info): Use it.
13733 (calculate_global_regs_live): Likewise.
13734 (propagate_block): Likewise.
13735 * global.c (build_insn_chain): Likewise.
13736 * haifa-sched.c (schedule_region): Likewise.
13738 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
13740 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
13741 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
13742 (DWARF_ARANGES_PAD_SIZE): New define.
13743 (output_aranges): Use it to pad the address range header.
13744 (DWARF_ROUND): Fix for non power of 2 rounding.
13746 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
13748 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
13750 2000-03-05 Mark Mitchell <mark@codesourcery.com>
13752 * tree.def (RTL_EXPR): Update documentation.
13753 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
13754 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
13755 * function.c (preserve_rtl_expr_temp): New function.
13756 (preserve_rtl_expr_temps): Likewise.
13757 (preserve_rtl_expr_result): Use it.
13760 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13762 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
13764 * regmove.c (copy_src_to_dest) Do not create src->dest move
13765 for unchanging destination.
13767 2000-03-04 Mark Mitchell <mark@codesourcery.com>
13769 * function.h (struct sequence_stack): Remove rtl_expr.
13770 (struct emit_staus): Likewise.
13771 (seq_rtl_expr): Remove.
13772 * tree.h (free_temps_for_rtl_expr): Don't declare.
13773 (start_sequence_for_rtl_expr): Likewise.
13774 * rtl.h (preserve_rtl_expr_result): Likewise.
13775 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
13776 (start_sequence_for_rtl_expr): Remove.
13777 (push_topmost_sequence): Don't save sequence_rtl_expr.
13778 (pop_topmost_sequence): Remove comment about not restoring it.
13779 (end_sequence): Don't set seq_rtl_expr.
13780 (init_emit): Don't initialize it.
13781 (mark_sequence_stack): Don't mark it.
13782 (mark_emit_status): Likewise.
13783 * except.c (protect_with_terminate): Use
13784 start_sequence_for_rtl_expr, not start_sequence.
13785 * expr.c (expand_expr, case RTL_EXPR): Don't call
13786 preserve_rtl_expr_result or free_temps_for_rtl_expr.
13787 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
13788 (preserve_rtl_expr_result): Remove.
13789 (free_temps_for_rtl_expr): Likewise.
13790 (pop_temp_slots): Likewise.
13791 (mark_temp_slot): Don't mark the rtl_expr.
13792 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
13793 start_sequence_for_rtl_expr.
13795 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
13797 * mkdeps.c, mkdeps.h: New files.
13798 * po/POTFILES.in: Add them.
13799 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
13800 (cpplib.o, cppinit.o): Depend on mkdeps.h.
13801 (mkdeps.o): New target.
13803 * cppfiles.c: Delete deps_output.
13804 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
13805 OBJECT_SUFFIX, and base_name.
13806 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
13808 (initialize_dependency_output): Use deps_init,
13809 deps_add_target, deps_calc_target, and deps_add_dep. Remove
13810 all the unnecessary string bashing.
13811 (cpp_finish): Use deps_write. Remove an unnecessary nesting
13813 * cpplib.c (do_include): Use deps_add_dep.
13814 * cpplib.h (struct cpp_reader): Replace deps_buffer,
13815 deps_allocated_size, deps_size, deps_column members with
13816 single pointer to a struct deps. Delete prototype of
13819 * cppinit.c: Fix thinko in previous patch.
13821 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13823 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
13824 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
13825 (mode_for_size_tree): New function.
13826 (layout_decl, layout_type): Call it and clean up BLKmode checks.
13827 * tree.h (mode_for_size_tree): New declaration.
13829 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
13831 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
13833 * stmt.c (is_body_block): Move...
13834 * dwarfout.c, dwarf2out.c: ...from here.
13835 * tree.h: Declare it.
13836 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
13837 * final.c (final_start_function): Do call remove_unnecessary_notes
13840 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13842 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
13844 * cpplib.h (_dollar_ok): New macro.
13845 (is_idchar, is_idstart): Use it.
13846 (IStable): Rename to _cpp_IStable. Declare it const if
13847 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
13848 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
13849 is_space): Update for renamed IStable.
13851 * cppinit.c: Delete all references to FAKE_CONST and CAT
13852 macros. Define init_IStable as empty macro if gcc >=2.7 or
13853 C99. Change TABLE() to ISTABLE and hardcode name of table.
13854 (cpp_start_read): Don't change the IStable based on
13857 * cpphash.c (unsafe_chars): Add pfile argument. All callers
13858 changed. Handle '$' for char1 correctly.
13859 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
13861 * cppexp.c (tokentab2): Make const.
13862 (cpp_lex): Make toktab const.
13863 * cppinit.c (include_defaults_array): Make const.
13864 (initialize_standard_includes): Make default_include const.
13866 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13868 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
13869 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
13870 (gen_decl_die): Likewise.
13871 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
13872 (output_decl): Likewise.
13874 * varasm.c (make_function_rtl): If we change the name used in the
13875 rtl, update DECL_ASSEMBLER_NAME accordingly.
13876 (make_decl_rtl): Likewise.
13878 * toplev.c (rest_of_compilation): Tweak formatting.
13880 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
13881 remove_unnecessary_notes.
13882 (debug_ignore_block): New fn.
13883 * toplev.h: Declare it.
13884 * emit-rtl.c (remove_unncessary_notes): Call it.
13885 * dwarf2out.c (dwarf2out_ignore_block): New fn.
13886 * dwarf2out.h: Declare it.
13887 * final.c (final_start_function): Don't call remove_unnecessary_notes
13888 if we did insn scheduling.
13890 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
13892 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
13893 * cpplib.h: Delete SET_CPP_PEDANTIC.
13895 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13897 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
13898 result is a RECORD_TYPE.
13900 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
13902 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
13904 2000-03-03 Richard Henderson <rth@cygnus.com>
13906 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
13907 addition over compliments over shifts.
13909 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13911 * reload1.c (reload_combine_note_use): Handle return register USEs.
13912 REG case: Handle multi-hard-register hard regs.
13914 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13916 * md.texi: Document use of '*' in insn pattern name.
13918 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
13920 * calls.c (special_function_p): operator new may not be malloc-like.
13922 * gcse.c (dump_hash_table): Really fix error in last change.
13924 2000-03-02 Denis Chertykov <denisc@overta.ru>
13926 * avr.c (print_operand): Use print_operand_address instead of
13928 * avr/libgcc.S: Cleanup code.
13930 2000-03-02 Richard Henderson <rth@cygnus.com>
13932 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
13934 2000-03-02 Mark Mitchell <mark@codesourcery.com>
13936 * tree.h (TYPE_ALIGN_UNIT): New macro.
13938 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
13940 * i386.c: (constant_call_address_operand): Reject CONST_INT.
13942 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
13944 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
13946 (SET_CPP_PEDANTIC): New macro.
13947 * cpplib.c (do_include): Don't bother checking system_header_p.
13948 (do_warning, do_ident, do_assert, do_unassert): Likewise.
13949 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
13951 * function.h (struct expr_status): Add x_arg_space_so_far.
13952 (arg_space_so_far): New macro.
13953 * expr.c (init_expr): Initialize it.
13954 * calls.c (emit_call_1): Reset it.
13955 (compute_argument_block_size, expand_call): Use it.
13956 (expand_call, store_one_arg): Increment it.
13958 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13960 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
13963 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
13965 * cppfiles.c (cpp_read_file): New function.
13967 * cpphash.c (collect_expansion): Make sure to reset last_token
13968 to NORM when we hit a string. Handle trailing whitespace
13969 properly when the expansion is empty.
13970 (create_definition): Disable line commands while parsing the
13972 (dump_definition): If pfile->lineno == 0, output a line
13973 command ahead of the dump, and add a trailing newline.
13975 * cppinit.c (append_include_chain): Add fifth argument, which
13976 indicates whether or not system headers are C++ aware.
13977 (initialize_standard_includes): New function,
13978 broken out of read_and_prescan. Pass 'cxx_aware' value from
13979 the include_defaults_array on to append_include_chain.
13980 (dump_special_to_buffer): Const-ify char array.
13981 (builtin_array): Don't dump __BASE_FILE__.
13982 (cpp_start_read): Use cpp_read_file. Reorder code for
13983 clarity. Don't output line commands here for -D/-A/-U
13984 switches. Don't call deps_output for files included with
13985 -include or -imacros.
13987 * cpplib.c (do_define): Don't pay any attention to the second
13989 (cpp_expand_to_buffer): Disable line commands while scanning.
13990 (output_line_command): Work in the file buffer.
13991 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
13992 Fix formatting of comments. Prototype cpp_read_file.
13994 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13996 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
13997 reference the language-equivalent of sizetype.
13998 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
13999 * fold-const.c (size_binop, size_diffop): Put back checks.
14000 * gcse.c (dump_hash_table): Fix minor error in last change.
14001 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
14002 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
14005 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
14007 * calls.c (expand_call) Do not attempt to combine stack adjustments
14008 with inhibit_defer_pop set.
14010 2000-03-01 Mark Mitchell <mark@codesourcery.com>
14012 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
14013 the DECL_SIZE for a FIELD_DECL.
14015 2000-03-01 Bruce Korb <bkorb@gnu.org>
14017 * fixinc/inclhack.tpl: remove unused symlinks
14018 * fixinc/README: GCC Maintainer info
14019 * fixinc/inclhack.sh: regen
14020 * fixinc/fixincl.sh: regen
14022 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
14024 * cpphash.c (collect_expansion): Trim trailing white space
14025 from macro definitions, but don't go past the last insertion
14028 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
14030 * i386.md (mulqi3): New pattern.
14032 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
14034 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
14036 (struct cpp_reader): Add parsing_if_directive and
14037 parsing_define_directive flags.
14038 (struct cpp_options): Remove output_conditionals flag.
14039 (check_macro_name): Delete prototype.
14041 * cpphash.h (struct macrodef): Delete.
14042 (struct reflist): Separate from struct definition.
14043 (struct definition): Remove unused fields. Add column number.
14044 (create_definition): Returns a DEFINITION *. Takes a
14045 cpp_reader * and an int.
14047 * cpphash.c (SKIP_WHITE_SPACE): Delete.
14048 (PEEKC): Copy defn from cpplib.c.
14049 (rest_extension, REST_EXTENSION_LENGTH): Delete.
14051 (struct arglist): Simplify.
14052 (collect_expansion): Rewrite. Get tokens by calling
14053 cpp_get_token. Add more error checking.
14054 (collect_formal_parameters): New function, broken out of
14055 create_definition and reworked to use get_directive_token.
14056 (create_definition): All real work is now in collect_expansion
14057 and collect_formal_parameters. do_define handles finding the
14058 macro name. Return a DEFINITION, not a MACRODEF.
14059 (macroexpand): Replace bcopy with memcpy throughout. Replace
14060 character-at-a-time copy loop with memcpy and pointer increments.
14061 (compare-defs): d1->argnames / d2->argnames might be null.
14063 * cpplib.c (copy_rest_of_line): Delete function.
14064 (skip_rest_of_line): Do all the work ourselves.
14065 (skip_string): New function.
14066 (parse_string): Use skip_string.
14067 (get_macro_name): New function.
14068 (check_macro_name): Delete.
14069 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
14070 (cpp_skip_hspace): Use CPP_BUMP_LINE.
14071 (handle_directive): ICE if we're called on a macro buffer.
14072 (do_define): Determine macro name and type (funlike/objlike)
14073 here. Expunge all uses of MACRODEF.
14074 (cpp_push_buffer): Set line_base to NULL.
14075 (do_undef, read_line_number): Don't worry about getting a POP token.
14076 (eval_if_expression): Set/reset parsing_if_directive around
14077 cpp_parse_expr. Don't clear only_seen_white.
14078 (skip_if_group): Remove output_conditionals logic. Use
14080 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
14081 tokens under appropriate conditions.
14082 (cpp_unassert): Call do_unassert not do_assert. Oops.
14084 * cppexp.c (parse_defined): New function, break out of
14086 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
14087 ourselves, with cpp_defined.
14088 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
14090 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
14091 * gcc.dg/strpaste-2.c: New.
14093 2000-02-29 Mark Mitchell <mark@codesourcery.com>
14095 * fold-const.c (size_binop): Don't asert inputs are the same and
14096 have TYPE_IS_SIZETYPE set.
14097 (size_diffop): Likewise.
14099 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
14101 * dwarfout.c (output_block): Output abstract blocks even if they
14102 don't have TREE_ASM_WRITTEN set.
14104 * calls.c (emit_library_call): Check for null REG.
14106 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
14108 * c-decl.c (current_function_decl): Move to toplev.c.
14109 (init_decl_processing): Don't add current_function_decl as a ggc
14111 * dbxout.c (dbxout_symbol): Change return type to int.
14112 (dbxout_symbol_location, dbxout_syms): Likewise.
14113 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
14114 any locals. Use current_function_func_begin_label if set.
14115 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
14116 * dwarf2out.c (dwarf2out_begin_prologue): Set
14117 current_function_func_begin_label.
14118 * final.c (final_start_function): Reset it.
14119 * toplev.c (current_function_decl): Define it here.
14120 (current_function_func_begin_label): New variable.
14121 (main): Add both as ggc roots.
14122 * tree.h (current_function_func_begin_label): Declare.
14124 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14126 * gcse.c: Cleanups throughout: mostly white-space, but also
14127 some minor rearrangement of code.
14129 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
14131 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
14132 returns a PARALLEL. Use emit_group_load and use_group_regs
14134 (emit_library_call_value): Similarly.
14136 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
14137 * pa/quadlib.asm: Remove.
14138 * pa/quadlib.c: New file.
14140 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
14141 * configure: Rebuilt.
14143 2000-02-29 Philip Blundell <pb@futuretv.com>
14145 * config/arm/conix-elf.h: New file.
14146 * configure.in (arm*-*-conix*): New configuration.
14147 * configure: Regenerate.
14149 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
14151 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
14152 don't have TREE_ASM_WRITTEN set.
14154 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14156 * Eliminate DECL_FIELD_SIZE.
14157 * builtins.c (built_in_class_names, built_in_names): New variables.
14158 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
14159 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
14160 DECL_SIZE, not DECL_FIELD_SIZE.
14161 * print-tree.c (print_node): Remove code that prints extra blank
14162 lines in some cases.
14163 Properly handle inline and builtin function cases.
14164 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
14165 * tree.h (built_in_class_named, built_in_names): New declarations.
14166 (union tree_decl): Rename internal unions to u1 and u2 and change
14167 some of their components.
14168 Add new field built_in_class.
14169 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
14170 Reflect above changes.
14171 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
14172 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
14173 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
14174 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
14176 2000-02-28 Dmitri Makarov <dim@windriver.com>
14178 * extend.texi: Document ARM's support for long/short calls.
14180 * invoke.texi: Document ARM's -mlong-calls command line switch.
14182 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
14183 (arm_encode_call_attribute): Add prototype.
14184 (arm_set_default_type_attribute): Add prototype.
14185 (arm_strip_name_encoding): Add prototype.
14187 * config/arm/arm.c (arm_init_cumulative_args): replace
14188 initialisation og 'long_calls' field with initialisation of
14189 'call_cookie' field.
14190 (enum arm_pragma_enum): New enum.
14191 (arm_pragma_long_calls): New static variable.
14192 (arm_process_pragma): Also process "#pragma long_calls_off".
14193 (arm_valid_type_attribute_p): Accept short_call attribute.
14194 (arm_comp_type_attributes): Check long/short call attributes.
14195 (arm_encode_call_attribute): New function: Encode long_call
14196 or short_call attribute in function name.
14197 (arm_set_default_type_attributes): New function: Assign
14198 default attributes to newly defined type.
14199 (current_file_function_operand): New function: Return true if
14200 the symbol is a function which has already been compiled.
14201 (arm_is_longcall_p): New function: Return true if the
14202 indicated function should be called via a long call.
14203 (arm_get_strip_length): New function. Returns number of
14204 prefix characters to be stripped from a function's name.
14205 (arm_strip_name_encoding): New function. Strip prefix characters
14206 from a function's name.
14208 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
14209 with 'call_cookie'.
14210 (SHORT_CALL_FAG_CHAR): Define.
14211 (LONG_CALL_FAG_CHAR): Define.
14212 (ENCODED_SHORT_CALL_ATTR_P): Define.
14213 (ENCODED_LONG_CALL_ATTR_P): Define.
14214 (ARM_NAME_ENCODING_LENGTHS): Define.
14215 (STRIP_NAME_ENCODING): Define.
14216 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
14217 (ARM_ENCODE_CALL_TYPE): Define.
14218 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
14219 (ARM_DECLARE_FUNCTION_SIZE): Define.
14220 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
14222 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
14223 if a long call is needed.
14224 (call_value): Ditto.
14225 (call_symbol): Ditto.
14227 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
14228 ARM_DECLARE_FUNCTION_SIZE.
14230 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
14231 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
14232 (ARM_STRIP_NAME_ENCODING): Undefine.
14233 (STRIP_NAME_ENCODING): Undefine.
14234 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
14235 (ASM_DECLARE_FUNCTION_NAME): Ditto.
14236 (ASM_OUTPUT_COMMON): Ditto.
14237 (ASM_DECLARE_OBJECT_NAME): Ditto.
14239 * config/arm/pe.c (arm_dllexport_name_p): Check for
14241 (arm_dllimport_name_p): Ditto.
14242 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
14243 (arm_mark_dllimport): Ditto.
14245 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14247 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
14249 2000-02-28 Mark Mitchell <mark@codesourcery.com>
14251 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
14253 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
14255 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
14256 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
14257 NO_BUILTIN_WCHAR_TYPE is not defined.
14258 (CPP_WCHAR_TYPE): Delete.
14259 * cccp.c (main): Don't change wchar_type if cplusplus.
14260 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
14262 2000-02-28 Nick Clifton <nickc@cygnus.com>
14264 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
14266 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
14268 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
14269 (ASM_WEAKEN_LABEL): Define.
14271 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
14273 * expr.c (store_constructor): Do not emit USE.
14274 * rtl.h (stupid_life_analysis): Remove.
14276 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14278 * function.c (number_blocks): Reset next_block_index based on
14279 what debugging format is used, not what is defined.
14281 * lcm.c: Minor reformatting throughout.
14282 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
14284 * toplev.c (rest_of_compilation): Account for time in
14285 optimize_mode_switching.
14287 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
14288 if only marking labels.
14290 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
14292 * calls.c (expand_call): Attempt to combine stack adjustments with
14293 pending stack adjustments.
14295 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14297 * loop.c (reg_in_basic_block_p): Don't abort when falling through
14298 to the end of the function.
14300 2000-02-27 Mark Mitchell <mark@codesourcery.com>
14302 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
14304 * final.c (next_block_index): Remove.
14305 (max_block_depth): Likewise.
14306 (pending_blocks): Likewise.
14307 (init_final): Don't initialize them.
14308 (final_start_function): Don't set next_block_index. Set up
14310 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
14311 * function.h (number_blocks): New function.
14312 * function.c (get_block_vector): New function.
14313 (identify_blocks): Use it.
14314 (reorder_blocks): Set NOTE_BLOCK.
14315 (number_blocks): New function.
14316 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
14317 * tree.h (BLOCK_NUMBER): New macro.
14318 (tree_block): Add block_num field.
14319 * dbxout.c (next_block_number): Remove.
14320 (dbxout_init): Don't set it.
14321 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
14322 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
14324 * toplev.c (rest_of_compilation): Always call
14325 find_loop_tree_blocks. Fix indentation.
14326 * dwarf2out.c (next_block_number): Remove.
14327 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14328 to determine block numbers.
14329 (gen_inlined_subroutine_die): Likewise.
14330 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
14331 (decls_for_scope): Don't increment next_block_number.
14332 * dwarfout.c (next_block_number): Remove.
14333 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
14334 to determine block numbers.
14335 (output_inlined_subroutine_die): Likewise.
14336 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
14337 (output_decls_for_scope): Don't increment next_block_number.
14338 * sdbout.c (next_block_number): Remove.
14339 (sdbout_block): Use BLOCK_NUMBER.
14340 (sdbout_begin_block): Simplify.
14341 * xcoffout.c (next_block_number): Remove.
14342 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
14343 (xcoffout_begin_block): Don't set next_block_number.
14344 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
14347 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14349 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
14350 (expand_builtin_strcpy): Pass correct type to size_binop.
14351 (expand_builtin_strcmp): Likewise.
14352 Clean up conditional structure.
14353 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
14354 (complete_array_type): Don't use size_binop for MAXINDEX.
14355 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
14356 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
14357 (c_alignof): Use size_one_node.
14358 (build_unary_op): Pass arg of proper type to size_binop.
14359 (really_start_incremental_init, push_init_level): Use sizetype for
14360 constructor{,_bit,_unfilled}_index.
14361 (pop_init_label, output_init_element): Likewise.
14362 (output_pending_init_elements, process_init_element): Likewise.
14363 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
14364 * expr.c (store_expr): Use size_int.
14365 (store_constructor): Use proper types for size_binop args.
14366 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
14367 (expand_expr_unaligned): Likewise.
14368 (string_contant): Return object of sizetype.
14369 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
14370 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
14371 (ARGS_SIZE_TREE): Pass proper types to size_binop.
14372 * fold-const.c (int_const_binop): Refine when size_int is called.
14373 (fold_convert): Likewise.
14374 (size_int_wide): Rework to take KIND as arg, only take low order
14375 bits, handle new sizetype_tab datatype, and chain entries in
14377 (size_int_type_wide): New function.
14378 (size_binop): Validate types of arguments.
14379 (ssize_binop): Deleted.
14380 (size_diffop): New function.
14381 (extract_muldiv): Only fold division into multiplication for sizetypes.
14382 * function.c (assign_parms): Use size_diffop and make sure
14383 VAR field is of ssizetype; also pass proper type to size_binop.
14384 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
14385 (round_down): Deleted from here.
14386 * store-layout.c (sizetype_tab): Now an array.
14387 (sizetype_set, early_root_list): New variables.
14388 (variable_size): Use size_one_node.
14389 (round_up): Pass proper type to size_binop.
14390 (round_down): Moved to here and corrected as above.
14391 (layout_record): Pass proper arg types to size_binop.
14392 (layout_type): Likewise.
14393 If sizetype_set is zero, record the type just laid out.
14394 (make_unsigned_type): Don't call set_sizetype;
14395 (make_signed_type): Likewise; also, call fixup_signed_type.
14396 (initialize_sizetypes): New function.
14397 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
14398 set name of bitsizetype to "bit_size_type".
14399 Fix up type of sizes of all types made before call.
14400 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
14401 * tree.c (fix_sizetype): Deleted.
14402 (build_common_tree_nodes): Call initialize_sizetypes.
14403 (build_common_tree_nodes_2): Don't call fix_sizetype.
14404 * tree.h (TYPE_IS_SIZETYPE): New macro.
14405 (initialize_sizetype): New declaration.
14406 (enum size_type_kind): New type.
14407 (struct sizetype_tab): Deleted.
14408 (sizetype_tab): Now array; adjust sizetype macros.
14409 (size_diffop, size_int_type_wide): New functions.
14410 (size_int_wide): Change number of args and type; access macros changed.
14411 (ssize_int, sbitsize_int): New macros.
14412 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
14413 (ROUND_TYPE_SIZE_UNIT): New macro.
14415 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
14417 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
14419 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14421 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
14422 Mark as possibly unused.
14424 * cse.c (cse_insn): Delete dead code involving tablejump.
14425 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
14427 * Makefile.in (libcpp.a): Start by deleting it.
14429 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14431 * cpplib.h (enum file_change_code): Added rename_file.
14432 * cpplib.c (do_line): If a filename is given, set file_change to
14434 (output_line_command): If file_change is rename_file, always
14435 output a # directive with the file name.
14437 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
14439 2000-02-26 Mark Mitchell <mark@codesourcery.com>
14441 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
14442 when copying a PARM_DECL or RESULT_DECL.
14444 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14446 * fix-header.c (recognized_function): Also fix prototypes for
14447 functions taking "void".
14449 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14451 * reload1.c (do_output_reload): Check reg_reloaded_valid before
14452 looking at reg_reloaded_contents.
14454 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
14456 * Makefile.in (STMP_FIXINC): New toggle.
14457 (LIBGCC2_DEPS): Delete all references.
14458 (stmp-headers): Delete target. All references either deleted
14459 or changed to stmp-int-headers.
14460 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
14461 (LIBCPP_OBJS): Take out cppalloc.o.
14462 (cppalloc.o): Delete target.
14463 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
14464 (gen-protos, fix-header): Link with libiberty.a.
14465 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
14468 * configure.in: Remove refs to strerror.
14469 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
14470 * system.h: Take out strerror stanza.
14472 * cpperror.c (my_strerror): Delete function.
14473 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
14474 * cppmain.c (main): Call xmalloc_set_program_name first thing.
14475 * cppalloc.c: Delete file.
14476 * gen-protos.c: Don't provide xrealloc.
14478 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
14479 xstrerror throughout.
14481 2000-02-26 Bruce Korb <bkorb@gnu.org>
14483 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
14484 match for DOS headers, too.
14485 * fixinc/inclhack.sh,fixincl.x: Regenerate.
14487 2000-02-26 Geoff Keating <geoffk@cygnus.com>
14489 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
14490 is right for most ELF targets.
14491 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
14492 Let the default file use %U properly.
14493 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
14496 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
14499 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14501 * toplev.c (documented_lang_options): Correct spelling error.
14502 (decode_d_option, decode_f_option, main): Likewise.
14504 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
14506 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
14507 to tell assembler it is permitted to expand large constants.
14509 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
14511 * protoize.c: (AUX_INFO_SUFFIX): New macro.
14512 (aux_info_suffix): Use.
14513 (SAVE_SUFFIX): New macro.
14514 (save_suffix): Use.
14515 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
14516 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
14517 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
14519 * invoke.texi (Running Protoize): Update documentation.
14521 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
14523 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
14525 2000-02-25 John Wehle (john@feith.com)
14527 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
14529 2000-02-25 Anthony Green <green@cygnus.com>
14531 * toplev.c (rest_of_compilation): Rebuild jump labels if
14532 combine_instructions has created a new direct jump.
14533 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
14535 (combine_instructions): Call try_combine with new argument.
14536 Return non-null value when new direct jump instruction is created.
14537 * rtl.h: combine_instructions returns an int.
14539 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
14541 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
14542 jump when changing a computed jump into a jump to a known
14545 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
14547 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
14548 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
14550 * i386.md (define_expand "clrstrsi"): Fix typo.
14552 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
14554 * rtl.texi: Fix typo.
14556 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14558 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
14559 UNITS_PER_WORD. Change caller initial_elimination_offset.
14560 (rounded_frame_size): Take into account that argument pushed has
14561 changed. Fix TARGET_ALIGN_DOUBLE problem.
14563 2000-02-25 Geoff Keating <geoffk@cygnus.com>
14565 * haifa-sched.c (schedule_block): Explain the real reason
14566 we delete REG_SAVE_NOTEs on the first insn of a block.
14567 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
14569 2000-02-24 Mark Mitchell <mark@codesourcery.com>
14571 * input.h (push_srcloc): New function.
14572 (pop_srcloc): Likewise.
14573 * toplev.c (push_srcloc): Define it.
14574 (pop_srcloc): Likewise.
14576 2000-02-24 Richard Henderson <rth@cygnus.com>
14578 * flow.c (life_analysis): When collecting reg info, clear
14581 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14583 Fix bug exposed by reload.c no longer rounding the frame
14584 size to BIGGEST_ALIGNMENT:
14585 * sh.c (rounded_frame_size): New function.
14586 (sh_expand_prologue, sh_expand_epilogue): Use it.
14587 (initial_elimination_offset): Likewise.
14589 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14591 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
14592 * sh-protos.h (sh_need_epilogue): Declare.
14593 * sh.c (sh_need_epilogue_known): New static variable.
14594 (sh_need_epilogue): New function.
14595 (function_epilogue): Clear need_epilogue_known.
14596 * sh.md (return): Split into expander / insn pattern.
14597 Make the expander conditional on ! sh_need_epilogue ().
14599 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
14601 * machmode.h (get_mode_alignment): Declare.
14602 (GET_MODE_ALIGNMENT): Call it.
14603 * stor-layout.c (get_mode_alignment): New function. Make
14604 sure alignment is always power of 2.
14606 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14608 * i386.h: Remove useless definition of "I386" and misleading
14611 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14613 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
14614 under which TREE_PERMANENT will be set.
14615 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
14616 build1): Use TREE_SET_PERMANENT.
14617 * print-tree.c (print_node): Don't report value of
14618 TREE_PERMANENT if ggc_p is true.
14620 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
14621 decide whether to give a type a new alias set.
14622 * objc/objc-act.c (build_objc_string_object): Never copy the string.
14623 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
14624 of value of 'obstack'.
14627 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14629 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
14631 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14633 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
14634 * cpplib.c (cpp_get_token): Produce them.
14635 * cppexp.c (cpp_lex): Handle them.
14637 2000-02-23 Nick Clifton <nickc@cygnus.com>
14639 * config/arm/arm.c (arm_comp_type_attributes): Simply and
14640 comment tests on type attributes.
14642 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14644 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
14645 conform to documentation.
14646 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
14647 to check for special cases.
14648 * sh-protos.h (sh_loop_align): Declare.
14649 * sh.c (sh_loop_align): Define.
14651 2000-02-22 Andrew Haley <aph@cygnus.com>
14653 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
14654 (SIZE_TYPE): Is 32 bits when using -mgp32.
14655 (PTRDIFF_TYPE): Ditto.
14657 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14659 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
14661 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
14663 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
14664 BIGGEST_FIELD_ALIGNMENT a constant.
14666 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
14668 * dwarf2out.c (output_line_info): Put the marker for the end of
14669 the line number info at the actual end.
14670 (gen_struct_or_union_type_die): Use decl_function_context
14671 to check for local classes.
14672 * dwarfout.c (output_type): Likewise.
14674 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
14676 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
14677 for arguments with a mode, but no type.
14678 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
14679 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
14680 * pa/long_double.h: New file.
14681 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
14682 both have 128bit wide long doubles.
14683 * configure: Rebuilt.
14685 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14687 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
14689 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
14690 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
14691 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
14693 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
14695 * integrate.c (compare_blocks, find_block): Likewise.
14697 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
14699 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
14701 * stmt.c (stmt_status, set_file_and_line_for_stmt,
14702 expand_asm_operands): Likewise.
14704 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
14706 * predict.c (estimate_probability): Added the pointer heuristic to
14707 the collection of static branch predictors.
14709 2000-02-21 Catherine Moore <clm@cygnus.com>
14711 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
14712 * invoke.texi (-mfix7000): Document.
14714 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
14716 * diagnostic.c (init_output_buffer): Make it possible to output at
14717 least 32 characters if we're given a too long prefix.
14719 2000-02-20 Mark Mitchell <mark@codesourcery.com>
14721 * varasm.c (initializer_constant_valid_p): Call
14722 lang_expand_constant to simplify the constant.
14724 2000-02-20 Bruce Korb <bkorb@gnu.org>
14726 * fixinc/inclhack.def(stdio_va_list):
14727 typedef needs to be disabled.
14728 * fixinc/inclhack.sh: regen
14729 * fixinc/fixincl.x: regen
14731 2000-02-20 Geoff Keating <geoffk@cygnus.com>
14733 * print-rtl.c (print_rtx): Don't print addresses when
14734 flag_dump_unnumbered.
14736 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14738 * sparc.c (sparc_output_scratch_registers): Mark parameter with
14740 (sparc_va_arg, sparc_flat_output_function_prologue,
14741 sparc_flat_output_function_epilogue): Cast value to unsigned in
14743 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
14745 * sparc.md: Add default case in switch.
14747 2000-02-19 Richard Henderson <rth@cygnus.com>
14749 * c-typeck.c (add_pending_init): Don't abort for multiple
14750 fields at the same offset.
14751 (pending_init_member): Test the correct member.
14753 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14755 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
14757 (start_catch_handler) : Same.
14759 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
14761 * Makefile.in: Have flow.o depend on $(EXPR_H)
14763 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14765 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
14766 * c-decl.c (duplicate_decls, finish_enum): Likewise.
14767 (finish_decl): Remove -Wlarger-than code from here.
14768 * flags.h (id_clash_len): Now int.
14769 (larger_than_size): Now HOST_WIDE_INT.
14770 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
14771 Clean up checking to see if in table.
14772 (make_bit_field_ref): Remove extra parm to bitsize_int.
14773 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
14774 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
14775 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
14776 and for computing size of decl.
14777 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
14778 Move -Wlarger-than code to here.
14779 (layout_record): Remove extra arg to bitsize_int.
14780 Set TYPE_BINFO_SIZE_UNIT.
14781 (layout_union): Remove extra arg to bitsize_int.
14782 Use proper type for size of QUAL_UNION.
14783 (layout_type): Remove extra arg to bitsize_int.
14784 * toplev.c (id_clash_len): Now int.
14785 (larger_than_size): Now HOST_WIDE_INT.
14786 (decode_W_option): Clean up id-clash and larger-than- cases.
14787 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
14788 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
14789 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
14790 (struct tree_decl): New field size_unit.
14791 (size_int_wide): No HIGH operand; NUMBER is now signed.
14792 (size_int_2): Deleted.
14793 (size_int, bitsize_int): Don't use it and rework args.
14794 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
14796 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
14798 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
14800 2000-02-18 Geoff Keating <geoffk@cygnus.com>
14802 * invoke.texi (Warning Options): Add an explanation of why
14803 you might want the -Wfloat-equal flag.
14805 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14807 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
14808 * cppinit.c (new_pending_define): Add cast to avoid warning.
14809 * expmed.c (extract_bit_field): Likewise.
14810 * flow.c (enum reorder_skip_type): New type.
14811 (skip_insns_between_blcok): New it.
14812 Rework to avoid warning about possibly undefined variable.
14813 * function.c (assign_parms): Make thisparm_boundary unsigned.
14814 * genrecog.c (write_switch): Cast XWINT result to int.
14815 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
14816 * mips-tfile.c (init_file): Make two versions of FDR intializer:
14817 one for MIPS and one for Alpha.
14818 (get_tag, copy_object): Add casts to avoid warnings.
14819 * optabs.c (init_one_libfunc): Cast NAME to (char *).
14820 * reload.c (find_reloads): Make TYPE enum reload_type.
14821 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
14822 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
14823 * varasm.c (compare_constant_1): Add cast to avoid warning.
14824 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
14826 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
14827 Cast switch operand of size to int.
14828 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
14829 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
14832 2000-02-18 Nick Clifton <nickc@cygnus.com>
14834 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
14835 anything for an alignment of zero.
14837 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
14838 anything for an alignment of zero.
14840 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
14842 * gcc.texi (Bug Reporting): Refer to bugs.html.
14843 (Bug Lists): Likewise.
14844 * system.h (GCCBUGURL): New preprocessor define.
14845 * rtl.c (fancy_abort): Use it.
14846 * gcc.c (main): Likewise.
14848 2000-02-18 Richard Henderson <rth@cygnus.com>
14850 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
14851 (life_analysis_1): Subsume into ...
14852 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
14853 Use update_life_info for the relaxation.
14854 (update_life_info): Update REG_BASIC_BLOCK for registers live on
14855 entry and regs_live_at_setjmp.
14856 (set_noop_p): Simplify.
14857 (notice_stack_pointer_modification_1): Renamed from s/_1//.
14858 (record_volatile_insns): Split into ...
14859 (delete_noop_moves): ... here,
14860 (notice_stack_pointer_modification): ... here,
14861 (insn_dead_p): ... and here.
14862 (propagate_block): Don't query INSN_VOLATILE.
14863 (mark_used_regs): Mind !PROP_REG_INFO.
14864 * toplev.c (rest_of_compilation): Call mark_constant_function here,
14865 not in life_analysis.
14867 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
14869 * loop.c (canonicalize_condition): New function,
14870 broken out of get_condition.
14871 (get_condition): Use it.
14872 * expr.h (canonicalize_condition): Prototype it.
14874 * tree.h (tree_int_cst_msb): Declare.
14875 * tree.c (tree_int_cst_msb): New function.
14877 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14879 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
14882 * invoke.texi (-fmessage-length=n): Document.
14884 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
14886 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
14888 2000-02-17 Mark Mitchell <mark@codesourcery.com>
14890 * function.c (thread_prologue_and_epilogue_insns): Put a line note
14891 after the prologue.
14893 2000-02-17 Nick Clifton <nickc@cygnus.com>
14895 * config/arm/thumb.c: Replace includes of system headers with
14896 #include "system.h".
14898 2000-02-16 Richard Henderson <rth@cygnus.com>
14900 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
14901 Add crtbeginS.o and crtendS.o.
14902 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
14903 (ENDFILE_SPEC): Use crtendS.o.
14904 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
14906 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
14907 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
14908 shared and present.
14909 (__dso_handle): New variable.
14910 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
14911 bias to __CTOR_END__.
14913 2000-02-16 Richard Henderson <rth@cygnus.com>
14915 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
14917 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
14919 * longlong.h (__clz_tab): Declare as static to match definition.
14921 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
14923 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
14924 (XREF_FILE_NAME): Define.
14926 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
14927 (EH_FRAME_SECTION_ASM_OP): Define.
14928 (IDENT_ASM_OP): Define.
14929 (TEXT_SECTION_ASM_OP): Define.
14930 (CPP_SPEC): Define.
14931 (CTORS_SECTION_ASM_OP): Define.
14932 (CTOR_SECTION_FUNCTION): Use it.
14933 (DTORS_SECTION_ASM_OP): Define.
14934 (DTOR_SECTION_FUNCTION): Use it.
14936 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
14938 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
14941 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
14942 debug_bb_n): New functions.
14943 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
14944 * basic-block.h: Prototype new functions.
14946 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
14948 * configure.in: Add support for avr target.
14949 * configure: Rebuilt.
14951 * invoke.texi: Add AVR invocation docs.
14952 * install.texi: Add information about AVR.
14953 * md.texi: Add AVR constraint letters description.
14954 * extend.texi: Add description for AVR specific attributes.
14956 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
14958 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
14960 2000-02-16 Nick Clifton <nickc@cygnus.com>
14962 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
14963 (make_insn_raw): Move RTL check here.
14965 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14967 * version.c: Include gansidecl.h and version.h.
14969 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
14971 * configure.in (gcc_version): When setting, narrow search to
14972 lines containing `version_string'.
14974 * Makefile.in (mainversion): Likewise.
14975 (GCC_H): New variable.
14976 (gcc.h): Delete target.
14977 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
14978 (version.o): Depend on version.h.
14979 (dbxout.o): Don't depend on gcc.h.
14981 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
14982 Michael Meissner <meissner@cygnus.com>
14984 * md.texi (Simple Constraints): Add item about whitespace.
14985 * genoutput.c (strip_whitespace): New.
14986 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
14987 strip_whitespace for constraints.
14988 Test pointer using NULL, not 0.
14990 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14992 * cpplib.c (do_line): Pedwarn for #line > 32767.
14994 * c-lex.c (readescape): Warn about '\x', but do not reject it.
14996 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
14998 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
14999 to default cpp spec.
15000 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
15001 * cpp.texi: Document __GNUC_PATCHLEVEL__.
15004 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
15007 2000-02-15 Denis Chertykov <denisc@overta.ru>
15009 * configure.in: Add support for avr target.
15011 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15013 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
15014 (sh_addr_diff_vec_mode): Don't declare.
15015 * sh.c (sh_addr_diff_vec_mode): Delete.
15017 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15019 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
15021 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15023 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
15024 (smulsi3_highpart_i): Name.
15025 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
15026 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
15027 (smulsi3_highpart, umulsi3_highpart): Likewise.
15029 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
15030 correctly independent of endianness.
15031 (mulsidi3, umulsidi3): Now define_insn. Hide details that
15032 confuse the optimizers.
15033 (mulsidi3+1, umulsidi3+1): New define_split.
15035 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
15037 * config/sh/sh.md: Guard insn splits against illegal registers.
15038 * config/sh/sh.h: Correct comment about macros.
15040 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15041 Andrew MacLeod <amacleod@cygnus.com>
15043 * Makefile.in (lcm.o): Depend on insn-attr.h.
15044 * basic-block.h (optimize_mode_switching): Declare.
15045 * lcm.c (tm_p.h, insn-attr.h): #include.
15046 (seginfo, bb_info): New structs.
15047 (antic, transp, comp, delete, insert) : New file-scope static variables.
15048 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
15049 (reg_becomes_live, optimize_mode_switching): Likewise.
15050 * tm.texi: Add description of mode switching macros.
15051 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
15053 * sh-protos.h (remove_dead_before_cse): Remove prototype.
15054 (fldi_ok, fpscr_set_from_mem): New prototypes.
15055 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
15056 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
15057 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
15058 (sh_flag_remove_dead_before_cse): Remove declaration.
15059 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
15060 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
15061 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
15062 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
15063 (barrier_align): Allow for JUMP_INSNS containing a parallel.
15064 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
15065 (fldi_ok): New function.
15066 (get_fpscr_rtx): Add fpscr_rtx as GC root.
15067 (emit_sf_insn): Only generate fpu switches when optimize < 1.
15068 (emit_df_insn): Likewise.
15069 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
15070 (sh_flag_remove_dead_before_cse): Delete.
15071 (get_free_reg, fpscr_set_from_mem): New functions.
15072 * sh.md (movdf, movsf): Remove no_new_pseudos code.
15073 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
15075 2000-02-15 Loren Rittle <ljrittle@acm.org>
15077 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
15079 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15081 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
15082 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
15084 * cccp.c: Include version.h and/or don't declare `version_string'.
15085 * collect2.c: Likewise.
15086 * alpha.c: Likewise.
15087 * arm/aof.h: Likewise.
15088 * arm/coff.h: Likewise.
15089 * arm/elf.h: Likewise.
15090 * arm/pe.h: Likewise.
15091 * arm/tcoff.h: Likewise.
15092 * arm/telf.h: Likewise.
15093 * arm/tpe.h: Likewise.
15094 * arm/vxarm.h: Likewise.
15095 * convex/convex.c: Likewise.
15096 * i386/dgux.c: Likewise.
15097 * i386/sun386.h: Likewise.
15098 * m88k/m88k.c: Likewise.
15099 * mcore/mcore-pe.h: Likewise.
15100 * mips/mips.h: Likewise.
15101 * romp/romp.h: Likewise.
15102 * sh/sh.c: Likewise.
15103 * cpphash.c: Likewise.
15104 * cppinit.c: Likewise.
15105 * dwarf2out.c: Likewise.
15106 * dwarfout.c: Likewise.
15109 * mips-tfile.c: Likewise.
15110 * protoize.c: Likewise.
15111 * toplev.c: Likewise.
15112 * tree.h: Likewise.
15114 * version.c (version_string): Constify a char*.
15116 * version.h: New file.
15118 2000-02-14 Nick Clifton <nickc@cygnus.com>
15120 * configure.in: Add mcore-elf and mcore-pe targets.
15121 * configure: Regenerate.
15123 * NEWS: Add note that MCore port has been contributed.
15125 * invoke.texi: Document command line switches for MCore port.
15126 * install.texi: Add MCore to list of supported targets.
15128 2000-02-14 Geoff Keating <geoffk@cygnus.com>
15130 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
15131 then we will need to import the frame handling functions.
15132 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
15133 to import the frames themselves.
15135 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
15136 Jason Eckhardt <jle@cygnus.com>
15138 * basic_block.h: Added prototype for reorder_basic_blocks.
15139 * toplev.c: Changes to add -freorder-blocks and graph dump after
15140 block reordering is done.
15141 * flow.c (reorder_block_def): New structure for use during block
15143 (REORDER_BLOCK_*): New macros to access members of above structure.
15144 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
15145 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
15146 functions for block reordering.
15148 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
15150 * gcc.texi (Passes): Fix typo.
15151 * md.texi (Standard Names): Ditto.
15152 * tm.texi (Storage Layout): Ditto.
15154 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
15156 * cpplib.c (do_define): Only free the old definition if it
15159 2000-02-13 Neil Booth <NeilB@earthling.net>
15161 * cppfiles.c (read_and_prescan): When emitting deferred
15162 newlines, test speccase[] again instead of checking each
15163 possible whitespace character in turn. When we encounter \r,
15164 look behind for \n first, then ahead.
15166 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
15168 * cse.c (cse_altered): New internal flag.
15169 (cse_insn): Set it if we changed an insn.
15170 (cse_main): Clear cse_altered before each basic block.
15171 Only garbage collect if cse_altered is true afterward.
15173 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
15175 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
15177 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
15179 * combine.c (simplify_comparison): Fix typo.
15181 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
15183 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
15186 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15188 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
15189 previously inserted node instead of root node. Caller changed.
15191 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15193 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
15195 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15197 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
15198 __dereg_frame_dtor): Add prototype argument.
15200 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
15202 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
15204 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
15206 * gthr-vxworks.h (__gthread_once): Likewise.
15208 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
15210 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
15212 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
15213 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
15214 stack pointer in functions w/o saved registers, output LEAVE more often
15215 on TARGET_USE_LEAVE machines.
15217 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
15219 * config/arm/arm.c (arm_init_cumulative_args); New function:
15220 Initlaise the CUMULATIE_ARGS strcuture for a function
15222 (arm_function_arg): New function: Determine where to place a
15223 function's argument. Also handles deciding the function's
15225 (current_file_function_operand): New function: Return true if
15226 the symbol is a function which has already been compiled.
15227 (arm_is_long_call_p): New function: Return true if the
15228 indicated function should be called via a long call.
15229 (arm_valid_type_attribute_p): New function: Return true if the
15230 attribute is a valid, arm specific, attribute.
15231 (arm_comp_type_attribute): New function: Return true if the
15232 two types have compatable, arm specific, attributes.
15234 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
15236 (FUNCTION_ARG): Redefine to call arm_function_arg.
15237 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
15239 (INIT_CUMULATIVE_ARGS): Redefine to call
15240 arm_init_cumulative_args.
15241 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
15243 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
15245 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
15247 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
15248 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
15249 (COMP_TYPE_ATTRIBUTES): Define.
15251 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
15252 if a long call is needed.
15253 (call_value): Call arm_is_long_call_p to decide if a long call
15255 (call_symbol): Call arm_is_long_call_p to decide if a long call
15258 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
15260 2000-02-11 Denis Chertykov <denisc@overta.ru>
15262 * README.AVR: New file with information about the avr ports.
15263 * config/avr: New directory with avr port files.
15265 2000-02-11 Andreas Jaeger <aj@suse.de>
15267 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
15269 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
15271 * cpphash.c: Fix formatting, update commentary.
15272 (dump_definition): Take three separate arguments instead of a
15273 MACRODEF structure argument.
15274 * cpphash.h: Update prototype of dump_definition.
15275 * cppinit.c (cpp_finish): Update call of dump_definition.
15277 * cpplib.c (do_define): Always create new hash entry with
15278 T_MACRO type. Remove redundant check for redefinition of
15279 poisoned identifier. Update call of dump_definition.
15280 (do_undef): Don't call check_macro_name. Rename sym_length to
15282 (do_error, do_warning): Don't use copy_rest_of_line or
15284 (do_warning): Don't use pedwarn for the actual warning,
15285 only the notice about its not being in the standard. (Fixes
15286 bug with #warning in system headers.)
15287 (do_ident): Stricter argument checking - accept only a single
15288 string after #ident. Also, macro-expand the line.
15289 (do_xifdef): Use cpp_defined. De-obfuscate.
15291 (do_pragma): Split out specific pragma handling to separate
15292 functions. Use get_directive_token. Update commentary. Do
15293 not pass on #pragma once or #pragma poison to the front end.
15294 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
15295 do_pragma_default): New.
15297 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
15299 * jump.c (jump_optimize_1): The first operand in a relational
15300 can be a CONST_INT.
15301 * optabs.c (emit_conditional_move): Handle relationals which
15302 have a known true/false result.
15304 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15306 * function.c (thread_prologue_and_epilogue_insns): Don't insert
15307 a RETURN insn into a block which already ends with a jump.
15309 2000-02-11 Geoff Keating <geoffk@cygnus.com>
15311 * haifa-sched.c (BUF_LEN): Increase a lot.
15313 2000-02-11 Nick Clifton <nickc@cygnus.com>
15315 * configure.in: Add tm_p_file specification for thumb targets.
15316 * configure: Regenerate.
15318 * config/arm/thumb-protos.h: New file: Prototypes for exported
15319 functions defined in thumb.c.
15321 2000-02-11 Robert Lipe <robertl@sco.com>
15323 * Makefile.in (bootstrap-lean): Remove additional files.
15324 (bootstrap2-lean): Likewise.
15325 (VOL_FILES): List of files for above.
15327 2000-02-11 Nathan Sidwell <nathan@acm.org>
15329 * cpphash.c (special_symbol): Remove spurious argument to
15332 2000-02-11 Joel Sherrill (joel@OARcorp.com>
15334 * configure.in: (i*86-*-rtems*): Swapped elf and coff
15336 * configure: Rebuilt.
15338 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
15340 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
15342 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
15344 * pa.c, pa.h: Remove trigraph sequences within comments.
15346 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
15348 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
15350 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
15352 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
15354 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15356 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
15358 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15360 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
15361 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
15362 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
15363 (ASM_FILE_END): Use c4x_file_end.
15364 * config/c4x/c4x.c (c4x_global_label): New function.
15365 (c4x_external_ref, c4x_file_end): Likewise.
15367 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
15368 (c4x_external_ref, c4x_end_file): Likewise.
15370 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
15372 * cppexp.c: Don't include cpphash.h.
15373 (parse_charconst, cpp_lex): Use cpp_defined.
15374 (cpp_lex): Use get_directive_token throughout. Remove
15375 unnecessary cases from switch. Move assertion-handling code
15376 down to OTHER case.
15377 (cpp_parse_expr): If we see '+' or '-', check the context to
15378 determine if they are unary or binary operators. Streamline
15379 the jumps a bit. Do not call skip_rest_of_line.
15381 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
15382 static. Export get_directive_token. Update commentary.
15383 (cpp_defined): New function.
15384 (do_define): Remove reference to T_PCSTRING. Call
15385 free_definition to release memory for old definition, when
15386 redefining a macro.
15387 (eval_if_expression): Set only_seen_white to 0 before calling
15388 cpp_parse_expr. Call skip_rest_of_line after it returns.
15389 (cpp_read_check_assertion): Don't preserve a pointer into the
15390 token buffer across a call to cpp_get_token.
15392 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
15393 * cppfiles.c (redundant_include_p): Use cpp_defined.
15394 * cpphash.c (free_definition): New function.
15395 (delete_macro): Use it. Update commentary.
15396 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
15398 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
15399 from enum node_type. Prototype cpp_defined and get_directive_token.
15400 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
15402 * fix-header.c (check_macro_names): Use cpp_defined.
15403 (read_scan_file): Set inhibit_warnings and inhibit_errors in
15404 the options structure.
15406 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15408 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
15410 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
15412 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
15413 rather than die->die_tag.
15415 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15417 * combine.c (make_extraction, force_to_mode): Avoid warning on
15418 mixed-signedness conditionals.
15419 (make_field_assignment, nonzero_bits): Likewise.
15420 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
15421 (store_split_bit_field, extract_split_bit_field): Likewise.
15422 (extract_fixed_bit_field, store_bit_field,
15423 * expr.c: Change alignment to be unsigned everywhere.
15424 (move_by_pieces, store_constructor_field, store_constructor):
15425 Alignment parm is unsigned.
15426 (emit_block_move, emit_group_load, emit_group_store): Likewise.
15427 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15428 (do_compare_rtx_and_jump): Likewise.
15429 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
15430 Compare align with GET_MODE_ALIGNMENT.
15431 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
15432 (get_inner_reference): Likewise.
15433 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
15434 (expand_assignment): Local vars for alignment now unsigned.
15435 (store_constructor, store_field, expand_expr, do_jump): Likewise.
15436 (do_compare_and_jump): Likewise.
15437 (store_field): Call new function expr_align.
15438 * expr.h (emit_block_move, emit_group_load, emit_group_store):
15439 Alignment arg now unsigned.
15440 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
15441 (do_compare_rtx_and_jump, store_bit_field): Likewise.
15442 (extract_bit_field): Likewise.
15443 * fold-const.c (add_double): Add cast to eliminate signedness warning.
15444 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
15445 (get_best_mode): Alignment arg is unsigned.
15446 * rtl.h (move_by_pieces): Likewise.
15447 * store-layout.c (maximum_field_alignment, set_alignment):
15449 (layout_decl): Alignment arg is now unsigned.
15450 Remove unneeded casts.
15451 (layout_record, layout_union, layout_type): Remove unneeded casts.
15452 Local alignment variables now unsigned.
15453 (get_best_mode): Alignment arg now unsigned.
15454 * tree.c (expr_align): New function.
15455 * tree.h (expr_align): Likewise.
15456 (maximum_field_alignment, set_alignment): Now unsigned.
15457 (get_inner_reference): Alignment argument is now pointer to unsigned.
15458 * varasm.c (assemble_variable): Add cast to eliminate warning.
15460 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
15462 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
15463 then store directly into op0.
15465 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
15466 the CALL_INSN, and emit the note immediately after it.
15468 2000-02-10 Nick Clifton <nickc@cygnus.com>
15470 * config/arm/thumb.md (epilogue): Include a (return) in the
15471 generated insn, and emit it using emit_jump_insn not
15474 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
15476 * function.c (assign_temp): Change zero-sized arrays to size 1.
15477 * integrate.c (expand_inline_function): Do not update
15478 stack_alignment_needed
15479 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
15480 add some sanity checking, remove optimization for function with
15483 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15485 * flow.c (mark_regs_live_at_end): Delete unused variables.
15487 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
15489 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
15490 in macro FRAME_GROWS_DOWNWARD.
15492 * stmt.c (expand_end_bindings): Delete unused variable.
15494 * unroll.c (iteration_info): Mark parameter `loop' with
15497 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15499 * fixinc/server.c (load_data): Return NULL if the marker line is
15501 (run_shell): If load_data returns NULL, retry the command once, in
15504 * configure: Rebuilt.
15506 2000-02-09 Bruce Korb <bkorb@gnu.org>
15508 * gcc/fixincludes: ** DELETED **
15509 * gcc/fixcpp: ** DELETED **
15510 * gcc/fixinc-nt.sed: ** DELETED **
15511 * gcc/just-fixinc: ** DELETED **
15512 * gcc/Makefile.in: Removed out-dated commentary
15513 * gcc/configure.in: Removed fast-fixincludes disablement.
15514 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
15516 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15517 * function.c (thread_prologue_and_epilogue_insns): Uncomment
15520 2000-02-09 Richard Henderson <rth@cygnus.com>
15522 * jump.c (delete_insn): Don't delete user labels at -O0.
15524 2000-02-09 Robert Lipe <robertl@sco.com>
15526 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
15527 Don't link with HOST_LIBS.
15529 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15531 * configure.in: Correct --help text for --with-dwarf2.
15532 Put tm-dwarf2.h after other tm files, if it's requested.
15533 * configure: Regenerate.
15534 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
15537 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15539 * cpplib.h: Provide HASHNODE typedef and forward decl of
15540 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
15541 DEFINITION, struct hashnode, struct macrodef, struct
15542 definition, scan_decls prototype, default defn of
15543 INCLUDE_LEN_FUDGE moved elsewhere.
15545 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
15546 definition, and struct hashnode moved here. Remove the unused
15547 'predefined' field from struct definition. Replace the 'args'
15548 union with its sole member. All users updated (cpphash.c).
15549 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
15550 multiple include guard.
15552 * cpphash.c (hashf): Make static; use better algorithm; drop
15553 HASHSIZE parameter; return an unsigned int.
15554 (cpp_lookup): Drop HASH parameter. PFILE parameter is
15555 used. Calculate HASHSIZE modulus here.
15556 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
15558 (create_definition): Drop PREDEFINITION parameter.
15559 * cpplib.c (do_define): Don't calculate a hash value here.
15560 Don't pass (keyword == NULL) to create_definition.
15562 * scan.h: Prototype scan_decls here.
15563 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
15564 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
15565 callers of cpp_lookup and cpp_install updated.
15567 * cpphash.c (macarg): Hoist all the flag diddling out of the
15569 (macroexpand): ... and out of the loop that calls macarg.
15570 Skip over the initial paren before macro arguments with
15571 cpp_get_non_space_token; point may be some distance before
15572 that paren. Abort if it's not there.
15574 * cpplib.c (parse_clear_mark): Delete function.
15575 (parse_set_mark, parse_goto_mark): Make static.
15576 (ACTIVE_MARK_P): New macro.
15577 (skip_block_comment, skip_line_comment): Do not bump the line
15578 if ACTIVE_MARK_P is true.
15579 (cpp_pop_buffer): The buffer to be popped may not have an
15581 (cpp_get_token): When looking for the initial paren before
15582 macro arguments, only set a mark in a file buffer, Always
15583 return to that mark before proceeding to call macroexpand or
15584 return a NAME token.
15586 * cpplib.h: Remove prototypes of parse_set_mark,
15587 parse_clear_mark, parse_goto_mark.
15588 (struct cpp_options): Rename 'put_out_comments' to
15589 'discard_comments' and invert its sense.
15590 * cppinit.c, cpphash.c, cpplib.c: All users of
15591 put_out_comments changed to use discard_comments, with
15594 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
15596 * function.c (thread_prologue_and_epilogue_insns): Don't delete
15597 the edge from a block that both jumps and falls through to the
15600 2000-02-09 Scott Bambrough <scottb@netwinder.org>
15602 * config/arm/arm.md (movsi): In PIC mode, make sure that a
15603 constant source address is legitimate.
15605 2000-02-09 Philip Blundell <pb@futuretv.com>
15607 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
15610 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
15612 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
15614 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
15616 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
15617 ends with a newline and a NUL. Don't be so clever manipulating
15620 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
15622 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
15623 not to BIGGEST_ALIGNMENT.
15625 2000-02-08 Geoff Keating <geoffk@cygnus.com>
15627 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
15628 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
15629 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
15630 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
15631 * frame.c (execute_cfa_insn): Handle
15632 DW_CFA_GNU_negative_offset_extended.
15634 2000-02-08 Richard Henderson <rth@cygnus.com>
15636 * flow.c (tidy_fallthru_edges): Split out from ...
15637 (delete_unreachable_blocks): ... here.
15638 (find_basic_blocks): Use it.
15640 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
15642 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
15644 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
15646 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
15647 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
15648 (fix-header.o): Don't depend on cpphash.h.
15650 * scan.c (hashstr): New function.
15651 * scan.h: Prototype it.
15652 * fix-header.c: Don't include cpphash.h. Use hashstr.
15653 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
15654 hashstr. Report hash table statistics. Add private
15655 definition of xrealloc.
15657 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15659 * i386.h (TARGET_SWITCHES): Fix typo in option name.
15661 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
15663 * function.c (thread_prologue_and_epilogue_insns): Don't replace
15664 jumps with returns unless they are jumps to the fallthru block.
15666 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
15668 * i386.md (addqi3_cc): Fix contraints.
15670 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
15672 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
15674 2000-02-07 Mark Mitchell <mark@codesourcery.com>
15676 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
15677 carriage return after a macro name.
15679 2000-02-07 Fred Fish <fnf@be.com>
15681 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
15682 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
15684 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
15686 * cppfiles.c (deps_output): Count spacers in deps_column.
15688 2000-02-07 Neil Booth <NeilB@earthling.net>
15690 * cppinit.c (initialize_dependency_output): If there is no
15691 suffix, don't try to look for known suffixes. Use strrchr.
15692 (cpp_start_read): Remove duplicate initialization.
15694 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
15696 * calls.c (compute_argument_block_size): New argument
15697 preferred_stack_boundary.
15698 (expand_call): update cfun->preferred_stack_boundary, update call of
15699 compute_argument_block_size
15700 (emit_library_call): Increate cfun->preferred_stack_boundary
15701 to PREFERRED_STACK_BOUNDARY
15702 (emit_library_call_value): Likewise.
15703 * explow.c (allocate_dynamic_stack_spave): Likewise.
15704 * function.c (prepare_function_start): Set
15705 cfun->preferred_stack_boundary
15706 * function.h (struct function): Add preferred_stack_boundary field.
15707 * integrate.c (expand_inline_function): Update
15708 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
15709 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
15710 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
15712 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
15714 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
15715 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
15716 cpp_pedwarn, cpp_pedwarn_with_line,
15717 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
15718 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
15719 v_cpp_error_with_line, v_cpp_warning_with_line,
15720 cpp_message_from_errno, cpp_perror_with_name): Delete.
15722 * cpperror.c (cpp_print_containing_files): Take starting
15723 buffer as argument.
15724 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
15725 (v_cpp_message): Now called directly by all entry points.
15727 (cpp_pfatal_with_name, cpp_message): Delete.
15728 (cpp_notice_from_errno, cpp_ice): New functions.
15729 (cpp_notice): Is now for reporting error conditions, just
15730 without an associated file.
15731 (cpp_error, cpp_error_with_line): Don't do anything if
15732 opts->inhibit_errors is on.
15733 (cpp_pedwarn_with_file_and_line): Take column argument also.
15735 * cpplib.h: Update prototypes of exported functions.
15736 (struct cpp_options): Add inhibit_errors.
15738 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
15739 non-error messages. Include intl.h.
15741 * cppinit.c, cppmain.c: Likewise. Also, use
15742 cpp_notice_from_errno instead of cpp_perror_with_name or
15743 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
15745 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
15746 report internal errors.
15748 * cpplib.c (do_define): Switch bcopy to memcpy.
15749 Give cpp_pedwarn_with_file_and_line a dummy column argument.
15751 * cpplib.c (copy_rest_of_line): Revert previous change: don't
15752 bail out early if we hit a line comment.
15754 2000-02-06 Richard Henderson <rth@cygnus.com>
15756 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
15757 * basic-block.h: Declare them.
15758 * emit-rtl.h (active_insn_p): New.
15759 (next_active_insn, prev_active_insn): Use it.
15760 * rtl.h: Declare it.
15761 * function.c (emit_return_into_block): New.
15762 (thread_prologue_and_epilogue_insns): Insert return insns instead
15763 of epilogues when possible.
15764 * jump.c (jump_optimize_1): Remove code to insert a return insn
15765 on the fallthru to the exit block.
15767 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
15768 and for non-empty stack frames.
15769 * i386.md (return): Expand to return-pop as needed.
15771 2000-02-06 Richard Henderson <rth@cygnus.com>
15773 * simplify-rtx.c (simplify_relational_operation): Canonicalize
15774 constant to op1 for testing.
15776 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15778 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
15779 (fixuns_truncqfqi2): Use it.
15781 2000-02-06 Richard Henderson <rth@cygnus.com>
15783 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
15784 as a TYPE_LEA insn.
15786 * i386.md (widening and peepholes): Mask the constant instead of
15789 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15791 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
15792 input pointer before possibly branching off to the backslash
15794 * cpphash.c (macroexpand): Correctly delete \r escapes when
15795 stringifying parameters.
15796 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
15797 if we can; bail out early if we hit a line comment.
15798 (handle_directive): Treat '# 123' in an .S file just like
15799 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
15800 Return 1 for '# not_a_directive'.
15801 (get_directive_token): Pop macro buffers here, so that
15802 cpp_get_token can't sneakily move past a newline.
15804 (cpp_get_token): goto randomchar if handle_directive returns 0.
15806 * cppalloc.c: Update copyright.
15807 * cpplib.c: Merge all the static function prototypes into one
15809 * cpplib.h: Remove #if 0 block.
15811 * cpperror.c: Remove #ifdef EMACS block.
15812 * cppmain.c: Likewise.
15813 * cpphash.c: Remove #if 0 blocks.
15814 * cppinit.c: Remove #if 0 blocks, and the -lint option.
15815 * cpplib.c: Remove #if 0 blocks and code referencing
15816 pcp_inside_if or for_lint. Remove duplicate error message.
15817 Fix error messages for #else after #else or #elif. Reformat.
15818 Remove archaic TODO list.
15819 * cpplib.h: Remove pcp_inside_if and for_lint flags.
15821 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
15823 * i386/osf1elf.h: Add missing backslash to multiline string.
15825 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15827 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
15829 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15831 * Makefile.in (c-common.o): Depend on $(EXPR_H).
15833 * c-common.c: Include expr.h.
15835 * c-pragma.c (mark_align_stack): Add prototype.
15837 * caller-save.c (add_stored_regs): Likewise.
15839 * combine.c (record_promoted_value): Likewise.
15841 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
15844 * cppinit.c (new_pending_define): Likewise.
15846 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
15848 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
15849 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
15850 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
15851 class_scope_p): Likewise.
15853 * dwarf2out.h (dwarf2out_set_demangle_name_func,
15854 dwarf2out_add_library_unit_info): Likewise.
15856 * ggc.h (ggc_page_print_statistics): Likewise.
15858 * haifa-sched.c (propagate_deps): Likewise.
15860 * reg-stack.c (next_flags_user, record_label_references): Likewise.
15862 * rtl.h (set_stack_check_libfunc): Likewise.
15864 * toplev.h (set_fatal_function): Likewise.
15866 * toplev.c (set_fatal_function): Delete prototype.
15868 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
15870 2000-02-05 Geoff Keating <geoffk@cygnus.com>
15872 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
15873 (FUNC_END): Likewise.
15875 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15877 * caller-save.c: Include tm_p.h.
15879 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15881 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
15883 2000-02-04 Neil Booth <NeilB@earthling.net>
15885 * cccp.c (main): Check 'dir' for a NULL pointer before passing
15888 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
15890 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
15891 * genflags.c: Use the max_operand_1 logic from genemit.c to
15892 calculate how many arguments gen_insn prototypes have. Remove
15893 NO_MD_PROTOTYPES ifdefs from the generated file.
15894 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
15895 file. Cast gen_insn initializers to insn_gen_fn.
15896 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
15897 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
15899 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15901 * fixinc/Makefile.in (HDR): Add machname.h.
15904 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15906 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
15907 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
15908 (c4x_cpu_version): Ditto.
15909 * config/c4x/c4x-protos.h: ... here.
15911 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
15913 * dwarf2out.c (add_abstract_origin_attribute): Don't call
15914 gen_abstract_function on our context if we're a nested function.
15916 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15918 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
15919 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
15921 2000-02-04 Bruce Korb <bkorb@gnu.org>
15923 * fixinc/genfixes(machname.h):
15924 Move the functionality from gen-machine.h into this file.
15925 UNdef MN_NAME_PAT if there are no names to change.
15926 Also, be a little kinder when AutoGen is not present.
15928 * fixinc/Makefile.in(machname.h):
15929 Change the generation rule to use genfixes.
15931 * fixinc/fixfixes.c(machine_name):
15932 machine_name_fix's functionality now dependent upon whether
15933 MN_NAME_PAT is defined.
15935 * fixinc/fixtests.c(machine_name):
15938 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
15941 * fixinc/fixlib.h(mn_get_regexps):
15944 * fixinc/gen-machine.h: DELETED
15946 2000-02-04 Jan Hubicka <jh@suse.cz>
15947 Richard Henderson <rth@cygnus.com>
15949 * i386.c (SAVE_REGS_FIRST): Remove.
15950 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
15951 (ix86_compute_frame_size): Likewise.
15952 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
15953 (ix86_emit_restore_regs): Remove.
15954 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
15955 when a frame pointer is in use.
15956 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
15957 instead of pop to restore a register when profitable; emit leave
15959 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
15960 as a TYPE_LEA insn.
15961 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
15962 * i386.md (prologue_allocate_stack): Remove.
15963 (epilogue_deallocate_stack): Remove.
15964 (pro_epilogue_adjust_stack): New.
15966 2000-02-04 Richard Henderson <rth@cygnus.com>
15968 * function.c (diddle_return_value): Rework to use a callback function.
15969 Use current_function_return_rtx if it's been set up.
15970 (do_clobber_return_reg, clobber_return_register): New.
15971 (do_use_return_reg, use_return_register): New.
15972 (expand_function_end): Use them.
15973 * stmt.c (expand_null_return): Likewise.
15974 * function.h: Declare them.
15975 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
15976 (mark_reg): Change arguments as appropriate for callback.
15977 * integrate.c (expand_inline_function): Revert 19 Jan change.
15979 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
15981 * tm.texi (Values in Registers): Fix typo: "fo" "for".
15982 (Misc): Say the scheduler, not the Haifa scheduler.
15984 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
15986 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
15987 when in_mem is set. Update all callers.
15989 2000-02-04 Richard Henderson <rth@cygnus.com>
15991 * i386/openbsd.h (INT_ASM_OP): Define.
15993 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
15995 * tm.texi: Fix various typos.
15997 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
15999 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
16000 (MD_STARTFILE_PREFIX_1): New macro.
16002 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
16004 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
16005 destination when needed.
16006 (strmovsi, strsetsi): New expander.
16007 (strmovsi_1, strsetsi_1): New pattern.
16008 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
16009 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
16010 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
16011 * invoke.texi (align-stringops, inline-all-stringops): Document.
16013 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
16015 * i386/netbsd.h (INT_ASM_OP): Define.
16017 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
16019 * cpplib.h (cpp_reader): Add new flag, no_directives.
16020 * cpphash.c (macarg): Set it.
16021 * cpplib.c (handle_directive): If no_directives is on and we
16022 find a directive, issue an error and discard the line.
16024 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
16026 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
16027 FP constants. Add ! TARGET_FPU check for FP constants.
16029 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
16031 * flow.c (find_basic_blocks): Don't kill label_value_list
16033 (cleanup_cfg): Kill it here.
16035 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16037 * expr.c (store_field): Ensure ALIGN is no stricter than the
16040 2000-02-02 Richard Henderson <rth@cygnus.com>
16042 * jump.c (delete_insn): Partially revert 19 Jan change;
16043 don't convert unused code labels to notes at -O0.
16045 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16047 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
16048 split_all_insns to recreate REG_LABEL notes for flow2 pass.
16050 2000-02-01 Richard Henderson <rth@cygnus.com>
16052 * i386.c (general_no_elim_operand): New.
16053 (nonmemory_no_elim_operand): New.
16054 (ix86_expand_move): Copy eliminable operands before a push.
16055 * i386-protos.h: Declare new functions.
16056 * i386.h (CAN_ELIMINATE): Simplify.
16057 (PREDICATE_CODES): Update.
16058 * i386.md (push insns): Don't allow eliminable register operands.
16060 2000-02-01 Richard Henderson <rth@cygnus.com>
16062 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
16063 replace BLKmode with DECL_RTL's mode.
16065 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
16067 * frame.c (find_fde): Convert for loop to do-while so compiler
16068 sees it's always executed at least once.
16069 * libgcc2.c (BBINBUFSIZE): Kill.
16070 (__bb_init_prg): Use fgets.
16071 (__bb_exit_trace_func): Don't paste strings.
16072 * unroll.c (unroll_loop): Initialize unroll_type, not
16073 unroll_number, and tweak logic to match.
16075 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
16077 (ix86_flags_dependant): Likewise. Disentangle control flow.
16078 (ix86_sched_reorder): Break guts out to
16079 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
16080 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
16083 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
16084 use string concatenation. Don't save and restore esi.
16086 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
16087 (machname.h): Remove script to separate file. Use two-step
16088 sequence so target is not created if script fails.
16089 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
16090 identifiers are defined.
16091 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
16092 an empty string, machine_name doesn't need to do anything at
16094 (is_cxx_header): Add more cases to regexp.
16095 * fixinc/fixlib.h: Update prototype.
16096 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
16098 * fixinc/fixincl.c: Define NO_BOGOSITY.
16100 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
16101 (hp_sysfile): Add missing comma.
16102 (math_exception): Put the wrapper ifdefs at the beginning and
16103 the end of the file.
16104 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
16106 2000-02-01 Richard Henderson <rth@cygnus.com>
16108 * sparc.c (fp_zero_operand): Turn into a normal predicate.
16109 Use CONST0_RTX. Update all callers.
16110 * sparc.h, sparc-protos.h: Update accordingly.
16111 * sparc.md (fp mov insns): Use fp_zero_operand directly
16114 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
16116 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
16119 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16121 * Makefile.in (specs.ready): New target.
16122 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
16124 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16126 * fixinc.irix: Use unique filenames for writing into /tmp,
16127 * fixinc.ptx: Likewise.
16128 * fixinc.sco: Likewise.
16129 * fixinc.svr4: Likewise.
16130 * fixinc.winnt: Likewise.
16132 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16134 * tsystem.h: New file.
16136 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
16137 s-crtS): Depend on tsystem.h.
16139 * crtstuff.c: Include tsystem.h.
16140 * frame.c: Likewise.
16141 * libgcc2.c: Likewise.
16143 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
16145 * builtins.c (expand_builtin_memset): Expand for variable sized
16148 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
16150 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
16153 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16155 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
16157 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
16159 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
16161 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
16162 case 3->2 combining (combining with splitting) in which 2 is CC0
16163 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
16164 checked at the begining of the function with the aid of calling
16165 function 'can_combine_p'.
16167 2000-01-31 Dave Brolley <brolley@redhat.com>
16169 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
16171 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
16173 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
16176 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16178 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
16180 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
16183 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
16185 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
16186 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
16187 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
16188 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
16189 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
16190 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
16191 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
16192 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
16193 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
16194 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
16196 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
16197 Add %(cpp_cpu) to CPP_SPEC.
16199 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
16200 Add %(cc1_cpu) to CC1_SPEC.
16202 2000-01-28 Ulrich Drepper <drepper@redhat.com>
16204 * c-decl.c (c_decode_option): Accept optional numeric argument to
16205 -Wformat and set warn_format.
16206 * c-common.c: Don't emit warning about non-constant printf format
16207 string unless warn_format > 1.
16209 2000-01-30 Richard Henderson <rth@cygnus.com>
16211 * alpha.md (return_internal): Allow after reload only.
16213 2000-01-30 Richard Henderson <rth@cygnus.com>
16215 * i386.c (ix86_compute_frame_size): Omit padding1 if the
16216 local frame size is zero.
16218 2000-01-30 Richard Henderson <rth@cygnus.com>
16220 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
16221 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
16222 * alpha.md (return): Turn into an expander.
16223 (return_internal): Don't use $26.
16224 (epilogue): Emit the return insn.
16226 2000-01-30 Richard Henderson <rth@cygnus.com>
16228 * alpha.md (negtf2, abstf2): Fix word order thinko.
16229 (extendsftf2): New.
16230 (trunctfsf2): Avoid intermediate rounding errors.
16232 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
16234 * cppfiles.c (find_position): Drop 'colp' argument, return the
16236 (read_and_prescan): Adjust to match. Don't ever manipulate
16237 line or line_base except via find_position.
16239 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16241 * c-parse.in: Apply Ulrich's changes from c-parse.y.
16242 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
16245 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
16247 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
16248 just print "<command line>". If 'filename' is null or an
16249 empty string, print "<stdin>" for the filename.
16250 * cpplib.c (do_define): Don't print the 'location of the
16251 previous definition' message if we're still parsing the
16253 (cpp_pedwarn_with_file_and_line): Always call
16254 cpp_file_line_for_message.
16256 2000-01-29 Mark Mitchell <mark@codesourcery.com>
16258 * flow.c (mark_regs_live_at_end): Fix typo.
16260 2000-01-28 Ulrich Drepper <drepper@redhat.com>
16262 * c-common.c: Adjust variable names, comments, help strings to c99.
16263 * c-lex.c: Likewise.
16264 * c-parse.y: Likewise.
16265 * c-tree.h: Likewise.
16266 * cccp.c: Likewise.
16267 * cpplib.h: Likewise.
16268 * c-decl.c: Likewise. Recognize options with names "*99" as well.
16269 * cppinit.c: Likewise.
16271 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16273 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
16274 * c4x.c: Define the optab rtx values.
16275 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
16276 (c4x_emit_libcall): Use new optab rtx values.
16277 (c4x_emit_libcall3): Likewise.
16278 (c4x_emit_libcall_mulhi): Likewise.
16279 * c4x-protos.h: Add prototypes for optab rtx values and change
16280 prototypes for above c4x_emit_libcall functions.
16282 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16284 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
16286 (c4x_function_prologue): Use regnames intead of float_reg_names when
16288 (c4x_function_epilogue): Likewise.
16289 (c4x_print_operand): Likewise.
16290 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
16291 * c4x.md (set_high): Disable for TARGET_TI.
16293 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16295 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
16296 of framepointer + constant to ADDR_REGS class.
16297 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
16298 * c4x.c (std_or_reg_operand): New function.
16299 * c4x-protos.h (std_or_reg_operand): Prototype it.
16301 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16303 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
16304 object names as libgcc2.c.
16305 * libgcc.S: Use newly defined names.
16307 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
16308 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
16310 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
16311 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
16312 (FLOW_LOOP_LAST_BLOCK): Likewise.
16314 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16316 * basic-block.h (struct loop): New fields 'first' and 'last'.
16317 * flow.c (flow_loops_find): Compute loop->first and loop->last.
16318 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
16319 and loop->last to check for NOTE_INSN_LOOP_END.
16321 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
16323 * predict.c (estimate_probability): Use the new FIRST and LAST fields
16324 of the loop descriptor rather than HEADER and LATCH. Also added
16325 missing break statements as well making some coding style modifications
16326 as suggested by Michael Hayes.
16328 2000-01-28 Richard Henderson <rth@cygnus.com>
16330 * flow.c (find_basic_blocks): Remove do_cleanup argument.
16331 Break out that code ...
16332 (cleanup_cfg): ... here.
16333 (commit_one_edge_insertion): Detect a return instruction being
16334 emitted to an edge. Emit a barrier following; clear fallthru.
16335 (commit_edge_insertions): Verify CFG consistency.
16336 * function.c (expand_function_start): Kill unused variable.
16337 (expand_function_end): Likewise.
16338 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
16339 to insert the epilogue.
16341 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
16342 (delete_null_pointer_checks): Likewise.
16343 * output.h: Likewise.
16344 * reg-stack.c (reg_to_stack): Likewise.
16345 * toplev.c (rest_of_compilation): Likewise. Run
16346 thread_prologue_and_epilogue_insns after rebuilding the CFG.
16348 2000-01-28 Richard Henderson <rth@cygnus.com>
16350 * Makefile.in (flow.o): Revert 24 Jan change.
16351 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
16352 FUNCTION_VALUE result to DECL_RESULT's mode.
16354 * haifa-sched.c (schedule_insns): Don't recompute reg info
16357 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
16359 * configure.in: Make --enable-cpplib the default.
16360 * configure: Regenerate.
16361 * gcc.dg/990119-1.c: No longer expected to fail.
16363 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
16365 * jump.c (jump_optimize_1): Delete an optimization that is also done
16366 by merge_blocks in flow.
16368 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16370 * diagnostic.c (build_message_string, output_printf,
16371 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
16372 (build_location_prefix): Fix non-literal format string.
16374 2000-01-27 Richard Henderson <rth@cygnus.com>
16376 * alpha.md (trunctfsf2): New.
16378 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
16380 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
16382 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16384 * cppinit.c (cpp_handle_option): Recognize C++ comments under
16386 * cpplib.c (skip_block_comment, skip_line_comment): Split code
16388 (skip_comment) ... here. Permit C++ comments in system
16389 headers always. Warn about C++ comments in user code under
16390 -std=gnu89 -pedantic.
16391 (copy_comment): Use skip_comment.
16392 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
16394 (consider_directive_while_skipping, do_else, do_endif): Call
16395 validate_else unconditionally.
16396 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
16397 text after the conditional in a system header.
16398 * cpplib.h (struct cpp_buffer): Add flag
16399 warned_cplusplus_comments.
16401 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16403 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
16404 Use unshare_all_rtl_1.
16405 (unshare_all_rtl_again): New function.
16406 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
16408 * function.c (purge_addressof_1): Use unshare_all_rtl_again
16409 rather than resetting the 'used' flags ourself.
16411 * toplev.c (rest_of_compilation): Add current_function_decl
16412 to the unshare_all_rtl call.
16413 * tree.h: Prototype unshare_all_rtl.
16414 * rtl.h: Prototype unshare_all_rtl_again here.
16416 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
16418 * genoutput.c (output_prologue): Include ggc.h in generated
16420 * Makefile.in (insn-output.o): Depends on ggc.h.
16422 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
16423 Hans-Peter Nilsson <hp@bitrange.com>
16425 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
16426 Remove redundant include of xm-ns32k.h.
16427 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
16428 Remove redundant include of xm-ns32k.h.
16429 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
16430 Remove redundant include of xm-ns32k.h.
16431 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
16433 * ns32k/ns32k.h: Update comment on multiply-add instructions.
16434 (TARGET_SWITCHES): Add documentation strings.
16435 (DWARF_FRAME_REGNUM): Override default definition.
16436 (REG_CLASS_CONTENTS): Add comments.
16437 (SUBSET_P): Format to reduce line length.
16438 (SMALL_REGISTER_CLASSES): Make a run time option.
16439 (GO_IF_NONINDEXED_ADDRESS): Reformat.
16440 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
16441 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
16442 (regclass_map): fix typo in comment.
16443 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
16444 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
16445 (trace, reg_or_mem_operand): Delete, unused function.
16446 (calc_address_cost): Small offsets are cheaper than large ones.
16447 (expand_block_move): Generate more efficient code when bytes is a
16448 known at compile time.
16449 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
16450 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
16451 instead of reg_or_mem_operand.
16453 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
16454 not general_operand. Similarly use "=rm" or stricter, not "=g".
16455 For input operands, use stricter constraints than "g" if not
16456 general_operand. Similarly use stricter predicate than
16457 "general_operand" when stricter constraints than "g" are present,
16458 except for matching constraints.
16459 (movstrsi): Use "memory_operand" for operands 0 and 1.
16460 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
16461 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
16462 not reg_or_mem_operand.
16463 (udivmoddisi4): Ditto.
16464 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
16465 Use nonimmediate_operand for operand 3, not register_operand.
16466 (udivmoddiqi4_internal): Use register_operand for operand 1, not
16467 reg_or_mem_operand.
16469 2000-01-27 Fred Fish <fnf@be.com>
16471 * gthr-posix.h: Fix typo; compatibily -> compatibility.
16472 * gthr-single.h: Likewise.
16473 * gthr-solaris.h: Likewise.
16474 * gthr-vxworks.h: Likewise.
16475 * gthr-win32.h: Likewise.
16476 * gthr.h: Likewise.
16478 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
16480 * cppinit.c: Add " (cpplib)" to end of string printed by
16483 2000-01-27 Richard Henderson <rth@cygnus.com>
16485 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
16486 testing for a signed comparison.
16487 (alpha_emit_floatuns): New.
16488 * alpha-protos.h: Declare it.
16489 * alpha.md (floatunsdisf2, floatunsdidf2): New.
16490 (extendsfdf2): Tidy.
16492 2000-01-27 Jakub Jelinek <jakub@redhat.com>
16494 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
16495 no -g option specifying debugging format, default to -gstabs+.
16497 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16499 * calls.c (special_function_p): New argument fork_or_exec.
16500 (expand_call): When profile_arc_flag is set and the function
16501 is in the fork_or_exec group, call __bb_fork_func first.
16502 * libgcc2.c, _bb module (__bb_fork_func): New function.
16503 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
16505 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
16506 * tree.h (special_function_p): Update prototype.
16508 2000-01-26 Richard Henderson <rth@cygnus.com>
16510 * alpha.c (alpha_split_tfmode_pair): New.
16511 * alpha-protos.h: Declare it.
16512 * alpha.md (abstf2, negtf2): New.
16513 (movtf insn): Add input G constraint.
16514 (movtf splitter): Use alpha_split_tfmode_pair.
16516 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16518 * i386/cygwin.h: PROTO -> PARAMS.
16520 2000-01-26 Jakub Jelinek <jakub@redhat.com>
16522 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
16523 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
16524 using _Qp_cmp/_Q_cmp and testing the return value.
16525 (print_operand): Call reverse_condition_maybe_unordered if
16526 we are handling CCFPmode or CCFPEmode.
16527 Handle ORDERED, UN* and LTGT comparisons.
16528 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
16529 if not TARGET_HARD_QUAD.
16530 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
16531 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
16532 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
16533 Adjust gen_b* calls so that they reflect return comparison of
16534 sparc_emit_float_lib_cmp.
16536 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16538 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
16539 incoming operands array is large enough for one more operand.
16540 (alpha_emit_xfloating_arith): Likewise.
16542 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16544 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
16545 file with one line and no trailing newline.
16546 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
16547 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
16548 checking if the match is on the line.
16549 * fixinc/gnu-regex.c: Provide regerror not __regerror.
16551 2000-01-25 Richard Henderson <rth@cygnus.com>
16553 * sparc.c (output_cbranch): Fix accidental squashing of the
16554 fp branch pre-delay nop.
16556 2000-01-25 Richard Henderson <rth@cygnus.com>
16558 * tree.def (UNNE_EXPR): Remove.
16559 * c-typeck.c (build_binary_op): Don't handle it.
16560 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
16562 * rtl.def (UNNE): Remove.
16564 * jump.c (reverse_condition): Update accordingly.
16565 (swap_condition): Likewise.
16566 (comparison_dominates_p): Handle unordered comparisons.
16567 (reverse_condition_maybe_unordered): New.
16568 * rtl.h (reverse_condition_maybe_unordered): Declare.
16570 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
16571 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
16572 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
16573 * sparc.md (bltgt): New.
16575 2000-01-25 Nick Clifton <nickc@redhat.com>
16577 * emit-rtl.c (emit_insn): Only check machine class insns for
16578 improper emission of a RETURN.
16580 2000-01-25 Richard Henderson <rth@cygnus.com>
16582 * Makefile.in (flow.o): Depend on $(EXPR_H).
16583 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
16584 duplicate the structure of diddle_return_value for keeping regs live.
16586 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16588 * loop.c (current_loop_info): Delete.
16589 (consec_sets_invariant_p): Add loop argument, update callers.
16590 (get_condition_for_loop): Likewise.
16591 (count_nonfixed_reads, update_giv_derive): Likewise.
16592 (simplify_giv_expr, general_induction_var): Likewise.
16593 (consec_sets_giv, recombine_givs): Likewise.
16594 (move_movables): Delete loop_start and loop_end arguments,
16595 add loop argument, and update callers.
16596 (find_mem_givs, check_final_value): Likewise.
16597 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
16598 (loop_invariant_p): Rename from invariant_p, add loop argument, and
16600 (basic_induction_var): Add loop argument, delete loop_level argument,
16601 and update callers.
16602 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
16603 add loop argument, and update callers.
16604 (find_splittable_regs, find_splittable_givs): Likewise.
16605 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
16606 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
16607 (biv_total_increment): Delete loop_start and loop_end arguments;
16609 (precondition_loop_p): Delete loop_start and loop_info arguments;
16611 * loop.h (get_condition_for_loop): Add loop argument.
16612 (biv_total_increment): Delete loop_start and loop_end arguments.
16613 (precondition_loop_p): Delete loop_start and loop_info arguments;
16615 (final_biv_value): Delete loop_start and loop_end arguments;
16617 (final_giv_value, back_branch_in_range_p): Likewise.
16619 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16621 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
16623 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
16625 * Makefile.in (c-gperf.h) : Change the "See" pointer to
16626 point to the new "generated_files" doc.
16628 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16630 * config/fp-bit.c (_unord_f2): Fix typo.
16632 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16634 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
16635 c-typeck.c, objc/objc-act.c: Remove all references to obstack
16636 functions obsoleted by GC, such as push_obstacks_nochange,
16637 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
16638 and code which existed only to decide whether or not to call
16639 them. Remove now-unused NESTED argument from start_function;
16640 all callers changed. Do not change behavior based on ggc_p.
16641 The use of the ixp_obstack in c-iterate.c and the util_obstack
16642 in objc/objc-act.c remain; these are not obsoleted by garbage
16644 * c-tree.h: Update prototype for start_function.
16646 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
16648 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
16650 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
16653 2000-01-25 Richard Henderson <rth@cygnus.com>
16655 * sparc-protos.h (select_cc_mode): Declare.
16656 * sparc.c (select_cc_mode): New. Handle unordered compares.
16657 (output_cbranch): Always reverse via code change. Handle
16658 unordered compares. Factor tests and string updates.
16659 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
16660 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
16661 * sparc.md (bunordered, bordered): New.
16662 (bungt, bunlt, buneq, bunge, bunle): New.
16664 2000-01-25 Richard Henderson <rth@cygnus.com>
16666 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
16667 * ggc-common.c (ggc_add_rtx_varray_root): New.
16668 (ggc_mark_rtx_varray): New.
16669 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
16670 functions down below ggc_mark_foo.
16671 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
16673 2000-01-25 Richard Henderson <rth@cygnus.com>
16675 * alpha.c (secondary_reload_class): Don't allocate a secondary
16676 for integral mode memories into FLOAT_REGS. Rearrange the more
16677 complicated memory expression inward.
16679 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
16681 * inclhack.def: Fixes to play nicer with FreeBSD, and
16682 corrections to comments.
16683 (cxx_unready): Add select expression.
16684 (irix_sockaddr): Add bypass expression.
16685 (machine_ansi_h_va_list): New fix.
16686 (stdio_va_list): No need to edit _BSD_VA_LIST_.
16687 Split out addition of "#include <stdarg.h>" to...
16688 (stdio_stdarg_h): ... here.
16689 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
16690 to stdlib.h also. Do not munge _BSD_SIZE_T_.
16691 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
16693 (ultrix_ifdef): Tighten up select expression.
16695 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
16696 re_ct and max_mach to avoid use of shell. Make printed names
16697 match names in inclhack.def. Use static copyright date.
16698 Don't count c_test and test expressions as requiring regex_t
16699 slots. Add some commentary.
16700 * inclhack.tpl: Do not include the 'This script contains N
16701 fixup scripts' line if PROGRAM is defined. Use static
16704 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
16706 * dwarf2out.c: include "varray.h", not dyn-string.h.
16707 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
16708 (addr_const_to_string, addr_to_string): Lose.
16709 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
16710 (struct dw_val_struct): val_addr is now an rtx.
16711 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
16712 (used_rtx_varray): New varray.
16713 (dwarf2out_init): Initialize it.
16714 (save_rtx): New fn.
16715 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
16717 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
16718 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
16719 * Makefile.in (dwarf2out.o): Update dependencies.
16721 2000-01-24 Richard Henderson <rth@cygnus.com>
16723 * i386.c (i386_dwarf_output_addr_const): New.
16724 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
16726 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
16728 * dwarfout.c (output_mem_loc_descriptor): Likewise.
16729 * i386.c (i386_simplify_dwarf_addr): New.
16730 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
16732 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
16734 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
16735 TYPE_STUB_DECL is NULL.
16737 2000-01-24 Richard Henderson <rth@cygnus.com>
16739 * builtins.c (expand_tree_builtin): Move ...
16740 * c-common.c (expand_tree_builtin): ... here.
16742 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16744 * loop.h (LOOP_INFO): New accessor macro.
16745 * basic-block.h (struct loop): Rename field `info' to `aux'.
16746 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
16747 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
16748 * unroll.c (loop_iterations, unroll_loop): Likewise.
16750 2000-01-24 Christopher Faylor <cgf@cygnus.com>
16752 * config/i386/t-cygwin: Accomodate new winsup directory layout
16753 when searching for include files.
16755 2000-01-24 Richard Henderson <rth@cygnus.com>
16757 * rtl.def: Add unordered fp comparisions.
16758 * tree.def: Likewise.
16759 * tree.h: Add ISO C 9x unordered fp comparision builtins.
16761 * builtins.c (expand_tree_builtin): New function.
16762 * c-typeck.c (build_function_call): Use it.
16763 (build_binary_op): Support unordered compares.
16764 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
16766 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
16767 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
16768 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
16769 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
16770 * jump.c (reverse_condition): Don't abort for UNLE etc, but
16772 (swap_condition): Handle unordered compares.
16773 (thread_jumps): Check can_reverse before reversing.
16774 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
16777 * optabs.c (can_compare_p): New argument CODE. Verify branch or
16778 setcc is present before acking for cmp_optab. Update all callers.
16779 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
16780 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
16781 * expr.c (expand_expr): Likewise. Support unordered compares.
16782 (do_jump, do_store_flag): Likewise.
16783 * expr.h (enum libfunc_index): Add unordered compares.
16785 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
16786 (DPBIT_FUNCS): Add _unord_df.
16787 * config/fp-bit.c (_unord_f2): New.
16788 * fp-test.c (main): Try unordered compare builtins.
16790 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
16791 * alpha.c (alpha_comparison_operator): Check mode properly.
16792 (alpha_swapped_comparison_operator): Likewise.
16793 (signed_comparison_operator): Likewise.
16794 (alpha_fp_comparison_operator): New.
16795 (alpha_emit_conditional_branch): Handle unordered compares.
16796 * alpha.h (PREDICATE_CODES): Update.
16797 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
16798 (bunordered, bordered): New.
16800 2000-01-24 Richard Henderson <rth@cygnus.com>
16802 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
16803 * alpha.md (movtf): New expander, insn, and splitter.
16805 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
16807 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16810 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
16812 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
16813 (FIXED_REGISTERS, CALL_USED_REGISTERS,
16814 REG_ALLOC_ORDER): Add frame pointer
16815 (FRAME_POINTER_REGNUM): Set to 20
16816 (HARD_FRAME_POINTER_REGNUM): New macro.
16817 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
16818 to HARD_FRAME_POINTER.
16819 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
16820 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
16821 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
16822 (HI_REGISTER_NAMES): Add "frame".
16823 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
16824 (debug_reg): Handle FRAME_POINTER_REGNUM.
16825 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
16826 GENERAL_REGS and INDEX_REGS.
16827 * i386.c (SAVED_REGS_FIRST): new macro.
16828 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
16829 (ix86_decompose_address, memory_address_length): Likewise.
16830 (regclass_map): Add frame pointer.
16831 (call_insn_operand): Handle frame_pointer_rtx.
16832 (reg_no_sp_operand): Likewise.
16833 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
16834 (print_operand, legitimize_pic_address): Fix formating.
16835 (ix86_compute_frame_size): Make static, update prototype, new
16836 parameters padding1, padding2, use ix86_nsaved_regs, use
16837 stack_alignment_needed.
16838 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
16839 to HARD_FRAME_POINTER_REGNUM conversions.
16840 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
16841 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
16842 (print_reg): Abort on FRAME_POINTER_REGNUM
16844 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
16846 * i386.h (PREDICATE_CODES): Add aligned_operand.
16847 * i386.c (aligned_operand): New function.
16848 (ix86_aligned_p): Kill.
16849 * i386.md (movhi_1): Emit mov for aligned operands.
16850 (promoting peep2s): Use aligned_operand.
16852 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
16854 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
16855 expression to allow underscores in macro names.
16856 (fix_char_macro_defines): Increment scanning pointer.
16858 2000-01-23 Richard Henderson <rth@cygnus.com>
16860 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
16861 * alpha/osf5.h: New file.
16862 * configure.in (alpha-*-osf5): Add it to tm_file.
16864 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
16866 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
16867 (alpha_emit_xfloating_cvt, function_arg): Declare.
16868 * alpha.c (alpha_emit_conditional_branch): Call
16869 alpha_emit_xfloating_compare for TFmode compares.
16870 (alpha_lookup_xfloating_lib_func): New.
16871 (alpha_compute_xfloating_mode_arg): New.
16872 (alpha_emit_xfloating_libcall): New.
16873 (alpha_emit_xfloating_arith): New.
16874 (alpha_emit_xfloating_compare): New.
16875 (alpha_emit_xfloating_cvt): New.
16876 (print_operand): Add default abort case.
16877 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
16878 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
16879 (BIGGEST_ALIGNMENT): Increase to 128 bits.
16880 (RETURN_IN_MEMORY): True for TF/TCmode.
16881 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
16882 (FUNCTION_ARG): Move to function_arg.
16883 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
16884 (ASM_OUTPUT_LONG_DOUBLE): New.
16885 (ASM_OUTPUT_DOUBLE): Always output bits.
16886 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
16887 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
16888 (extenddftf2, trunctfdf2): New.
16890 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16892 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
16893 * config/sparc/sol2.h: ... here.
16895 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16897 * basic-block.h (struct loops): New field `levels'.
16898 * flow.c (flow_loops_level_compute): Traverse all outer loops.
16899 (flow_loop_level_compute): Initialise level to 1.
16900 (flow_loops_find): Set loops->levels.
16901 (flow_loops_dump): Print loops->levels.
16903 2000-01-23 Richard Henderson <rth@cygnus.com>
16905 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
16906 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
16908 2000-01-23 Richard Henderson <rth@cygnus.com>
16910 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
16911 * i386.h (DBX_REGISTER_NUMBER): Use them.
16912 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
16913 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
16914 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
16915 * i386/sequent.h: Kill incorrect comment.
16917 2000-01-23 Mark Mitchell <mark@codesourcery.com>
16919 * ggc-page.c (struct page_entry): Make `context_depth' an
16921 (struct globals): Likewise.
16923 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
16925 * loop.c (check_dbra_loop): When checking a loop for
16926 reversability, check the source of any stores to ensure
16927 they don't depend on an initial value.
16929 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16931 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
16933 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
16935 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
16936 'pz_scan' into scope of entire function. Only affects
16937 compiles with -DDEBUG.
16939 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
16941 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
16942 section naming to that prior to 2000-01-07 patch.
16943 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
16944 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
16945 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
16946 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
16947 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
16949 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
16951 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
16954 2000-01-21 Jim Wilson <wilson@cygnus.com>
16956 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
16957 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
16959 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16961 * cpphash.c (change_newlines): Delete function.
16962 (struct argdata): Delete 'newlines' and 'use_count' fields.
16963 (macroexpand): Remove code referencing those fields.
16965 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16967 * loop.c (loops_info): New variable.
16968 (loop_optimize): Allocate loops->array and free it on exit.
16969 Allocate memory for loops_info and assign to each loop,
16971 (find_and_verify_loops): Do not allocate loops->array.
16973 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
16975 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
16977 2000-01-21 Jakub Jelinek <jakub@redhat.com>
16979 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
16980 pseudos if expanded after first flow.
16981 (movdi_pic_label_ref): Likewise.
16983 2000-01-20 Richard Henderson <rth@cygnus.com>
16985 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
16987 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
16989 * Makefile.in (fixinc.sh): Depend on specs.
16990 * fixinc/Makefile.in: Add rule to create machname.h.
16991 (fixlib.o): Depend on machname.h.
16992 * fixinc/fixtests.c (machine_name): New test.
16993 * fixinc/fixfixes.c (machine_name): New fix.
16994 * fixinc/fixlib.c (mn_get_regexps): New helper function for
16995 the machine_name test and fix.
16996 * fixinc/fixlib.h: Prototype it.
16997 * fixinc/inclhack.def (machine_name): Use the C test and fix.
16998 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
17000 * gcc.c (do_spec_1) [case P]: Take care not to create
17001 identifiers with three leading or trailing underscores.
17003 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
17004 (fixincl): Don't specify libraries twice on link line.
17005 (gnu-regex.o): Remove special rule.
17006 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
17007 defined by config.h. Do not define _REGEX_RE_COMP.
17008 (regcomp): Allocate and initialize a fastmap.
17009 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
17011 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
17013 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
17015 2000-01-19 Richard Henderson <rth@cygnus.com>
17017 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
17018 arguments with BB. Update all callers. Tidy line wrapping.
17020 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
17022 * emit-rtl.c (try_split): Return last_insn if we split the
17025 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
17027 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
17028 (ix86_initial_elimination_offset): Declare.
17029 * i386.c (ix86_nsaved_regs): Break out from ...
17030 (ix86_can_use_return_insn_p): ... here.
17031 (ix86_emit_save_regs): Break out from ...
17032 (ix86_expand_prologue): ... here.
17033 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
17035 (ix86_expand_epilogue): ... here.
17036 (ix86_compute_frame_size): Make static, add prototype.
17037 (ix86_initial_elimination_offset): Break out from ...
17038 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
17040 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17042 * recog.h (OUT_FCN): Delete.
17044 * vax.md: Call `get_insn_template' instead of OUT_FCN.
17046 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17048 * cppalloc.c: PROTO -> PARAMS.
17049 * cpperror.c: Likewise.
17050 * cppfiles.c: Likewise.
17051 * cpplib.c: Likewise.
17052 * cpplib.h: Likewise.
17054 * config/arm/arm-protos.h: PROTO -> PARAMS.
17055 * config/arm/arm.c: Likewise.
17056 * config/c4x/c4x.c: Likewise.
17057 * config/fr30/fr30-protos.h: Likewise.
17058 * config/nextstep.c: Likewise.
17059 * config/pa/pa.c: Likewise.
17060 * config/pj/pj.c: Likewise.
17061 * config/rs6000/rs6000.c: Likewise.
17062 * config/v850/v850-protos.h: Likewise.
17063 * config/v850/v850.c: Likewise.
17065 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17067 * i370-protos.h: New file.
17069 * i370.c: Include tm_p.h. Fix compile time warnings.
17071 * i370.h: Move prototypes to i370-protos.h. Fix compile time
17074 * i370.md: Likewise.
17076 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17078 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
17079 (target_isinf, target_isnan, eisnan): Mark parameter with
17081 (eiisinf): Wrap in INFINITY.
17082 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
17083 (ibmtoe): Remove unused variable `rndsav'.
17085 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17087 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
17088 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
17090 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
17092 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
17093 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
17094 (fix_char_macro_defines, fix_char_macro_uses): New functions.
17096 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
17097 Recognize Emacs mode markers also.
17098 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
17099 C++ comments in C++ headers. Call is_cxx_header only if
17102 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
17103 bypass for ncurses.
17104 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
17105 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
17106 ... these, which use the new C fixes.
17107 (math_exception): Escape literal '+' in bypass expression.
17109 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
17112 2000-01-19 Geoff Keating <geoffk@cygnus.com>
17114 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
17117 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17119 * loop.c (loop_optimize): Allocate loop_info structure for each loop
17120 prior to calling scan_loop.
17122 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17124 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
17125 (split_branches, calc_live_regs): Likewise.
17127 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17129 * sh.md (fpu_single, fp_mode): New attributes.
17131 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17133 * loop.c (current_loop_info): Renamed from loop_info_data
17134 and changed to a pointer.
17135 (loop_optimize): Allocate loop_info structure for each loop
17136 and initialise to zero.
17137 (scan_loop): Set current_loop_info.
17139 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
17142 2000-01-19 Richard Henderson <rth@cygnus.com>
17144 * stupid.c: Die die die.
17145 * Makefile.in (OBJS): Remove stupid.o.
17146 (stupid.o): Likewise.
17148 * except.c (emit_eh_context): Don't emit USEs for stupid.
17149 * explow.c (probe_stack_range): Likewise.
17150 * flags.h (obey_regdecls): Remove.
17151 * flow.c (find_basic_blocks): Don't run try_merge_blocks
17152 when not optimizing.
17153 (life_analysis): Limit data collection when not optimizing.
17154 (mark_regs_live_at_end): Always mark the return value registers.
17155 (mark_used_regs): Remove dummy RETURN case.
17156 (print_rtl_with_bb): Don't consult obey_regdecls.
17157 * function.c (use_variable, use_variable_after): Remove.
17158 (assign_parms): Consult optimize not obey_regdecls.
17159 (expand_function_start): Don't emit USEs for stupid.
17160 (expand_function_end): Likewise.
17161 * global.c (build_insn_chain): Export.
17162 * integrate.c (expand_inline_function): Kill return-value USE
17164 * jump.c (jump_optimize_1): Do simple jump optimizations and
17165 dead code elimination.
17166 (calculate_can_reach_end): Remove check_deleted argument.
17167 (delete_insn): Patch out insns even when not optimizing.
17168 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
17169 * rtl.h (use_variable, use_variable_after): Remove declarations.
17170 (build_insn_chain): Declare.
17171 * stmt.c (expand_value_return): Don't emit USEs for stupid.
17172 (expand_end_bindings): Likewise.
17173 (expand_decl): Likewise. Consult optimize not obey_regdecls.
17174 * toplev.c (obey_regdecls): Remove.
17175 (rest_of_compilation): Don't set it. Kill stupid in favour of
17176 flow1, local-alloc, and reload.
17177 (main): Don't set obey_regdecls.
17179 * config/nextstep.c (handle_pragma): Likewise.
17181 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
17183 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
17185 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17187 * alpha-protos.h: PROTO -> PARAMS.
17188 * alpha.c: Likewise.
17190 * h8300.c: Likewise.
17191 * i386-protos.h: Likewise.
17192 * i386.c: Likewise.
17193 * m32r-protos.h: Likewise.
17194 * m32r.c: Likewise.
17195 * mips.c: Likewise.
17196 * mips.md: Likewise.
17197 * gmon-sol2.c: Likewise.
17198 * sparc.c: Likewise.
17200 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17202 * ns32k-protos.h: New file.
17204 * ns32k.c: Fix compile time warnings.
17206 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
17209 * ns32k.md: Likewise.
17211 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17213 * vax-protos.h: New file.
17215 * vax.c: Fix compile time warnings.
17217 * vax.h: Move prototypes to vax-protos.h. Fix compile time
17220 * vax.md: Likewise.
17222 * vaxv.md: Likewise.
17224 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17226 * romp-protos.h: New file.
17228 * romp.c: Fix compile time warnings.
17230 * romp.h: Move prototypes to romp-protos.h. Fix compile time
17233 * romp.md: Likewise.
17235 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17237 * we32k-protos.h: New file.
17239 * we32k.c: Fix compile time warnings.
17241 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
17244 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17246 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
17248 * except.c (eh_regs): Likewise.
17250 * final.c (output_operand): Likewise.
17252 * fold-const.c (target_isinf, target_isnan): Likewise.
17254 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
17256 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
17257 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
17259 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
17260 when optimize_size.
17261 (clrstrsi): Rewrite.
17262 (strsethi, strsetqi): New expanders.
17263 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
17264 (cmpstrsi): Emit compare insn before cmpstrsi_1
17265 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
17266 (strlensi_1): Likewise.
17267 (cmpstrsi_1): Likewise; do not output compare.
17268 (strlen expander): Do not unroll when optimizing for size.
17269 (*subsi3_carry): Rename to subsi3_carry
17270 (addqi3_cc): New pattern.
17271 * i386.h (processor_costs): Add move_ratio field.
17272 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
17273 * i386.c (*_cost): Set move_ratio.
17274 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
17275 (x86_expand_strlensi_1): Rewrite the main loop.
17277 2000-01-17 Richard Henderson <rth@cygnus.com>
17279 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
17280 * cse.c (find_comparison_args, fold_rtx): Likewise.
17281 * integrate.c (subst_constants): Likewise.
17282 * loop.c (get_condition): Likewise.
17284 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
17286 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
17288 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
17290 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
17291 (RESTORE_WARN_FLAGS): Unpack it.
17292 Change semantic type of extension to ttype.
17293 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
17294 * c-parse.y, c-parse.c, objc/objc-parse.y,
17295 objc/objc-parse.c: Regenerate.
17297 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
17299 * fixinc/fixlib.c: Add copyright notice.
17300 (compile_re): New function.
17301 * fixinc/fixlib.h: Prototype compile_re.
17303 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
17304 Use compile_re to compile regular expressions.
17306 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
17307 where the pattern matched.
17309 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
17311 (ultrix_ansi_compat): Likewise.
17312 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
17314 (interactv_add2, interactv_add3): Delete.
17315 (x11_sprintf): Don't use filename glob.
17316 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
17319 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17321 * print-rtl.c: PROTO -> PARAMS.
17322 * real.c: Likewise.
17323 * reg-stack.c: Likewise.
17324 * resource.c: Likewise.
17325 * sdbout.h: Likewise.
17326 * simplify-rtx.c: Likewise.
17327 * stor-layout.c: Likewise.
17328 * stupid.c: Likewise.
17329 * xcoffout.c: Likewise.
17330 * xcoffout.h: Likewise.
17332 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17334 * toplev.c: PROTO -> PARAMS.
17335 * toplev.h: Likewise.
17336 * tree.c: Likewise.
17337 * tree.h: Likewise.
17338 * unroll.c: Likewise.
17339 * varasm.c: Likewise.
17340 * varray.c: Likewise.
17341 * varray.h: Likewise.
17343 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17345 * reload.c: PROTO -> PARAMS.
17346 * reload.h: Likewise.
17347 * reload1.c: Likewise.
17348 * reorg.c: Likewise.
17349 * resource.h: Likewise.
17352 * rtlanal.c: Likewise.
17353 * sbitmap.h: Likewise.
17354 * sdbout.c: Likewise.
17355 * stack.h: Likewise.
17356 * stmt.c: Likewise.
17357 * system.h: Likewise.
17359 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17361 * machmode.h: PROTO -> PARAMS.
17362 * mbchar.h: Likewise.
17363 * mips-tdump.c: Likewise.
17364 * mips-tfile.c: Likewise.
17365 * optabs.c: Likewise.
17366 * output.h: Likewise.
17367 * prefix.c: Likewise.
17368 * profile.c: Likewise.
17369 * protoize.c: Likewise.
17370 * real.h: Likewise.
17371 * recog.c: Likewise.
17372 * recog.h: Likewise.
17373 * regclass.c: Likewise.
17374 * regmove.c: Likewise.
17375 * regs.h: Likewise.
17377 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17379 * ggc-common.c: PROTO -> PARAMS.
17380 * ggc-page.c: Likewise.
17381 * ggc-simple.c: Likewise.
17383 * global.c: Likewise.
17384 * graph.c: Likewise.
17385 * gthr-win32.h: Likewise.
17386 * haifa-sched.c: Likewise.
17387 * halfpic.h: Likewise.
17388 * integrate.c: Likewise.
17389 * integrate.h: Likewise.
17390 * jump.c: Likewise.
17392 * local-alloc.c: Likewise.
17393 * loop.c: Likewise.
17394 * loop.h: Likewise.
17396 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17398 * genattr.c: PROTO -> PARAMS.
17399 * genattrtab.c: Likewise.
17400 * gencheck.c: Likewise.
17401 * gencodes.c: Likewise.
17402 * genconfig.c: Likewise.
17403 * genemit.c: Likewise.
17404 * genextract.c: Likewise.
17405 * genflags.c: Likewise.
17406 * gengenrtl.c: Likewise.
17407 * genopinit.c: Likewise.
17408 * genoutput.c: Likewise.
17409 * genpeep.c: Likewise.
17410 * genrecog.c: Likewise.
17412 2000-01-16 Mark Mitchell <mark@codesourcery.com>
17414 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
17416 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17418 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
17419 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
17420 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
17421 * configure, config.in: Rebuilt.
17423 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
17425 * config/i386/i386.md: Add peephole to merge successive stack
17428 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
17430 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
17431 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
17432 when walking backwards to find all the parameter loads when
17433 the basic block ends in a call.
17435 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17437 * loop.c (this_loop_info): Delete.
17438 (uid_loop): Add in place of uid_loop_num. All uses updated.
17439 (loop_number_exit_count): Delete and replace with entry in loop
17440 structure. All uses updated.
17441 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17442 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17443 (loop_outer_loop): Likewise.
17444 (loop_invalid, loop_number_exit_labels): Likewise.
17445 (loop_used_count_register): Delete and replace with entry in
17446 loop_info structure.
17447 (find_and_verify_loops): Add loops argument.
17448 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
17449 loop_end, etc. arguments with loop structure pointer. All callers
17451 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
17452 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
17453 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
17454 (insert_bct): Likewise.
17455 (basic_induction_var): New argument level.
17456 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
17457 vtop, and cont. Add used_count_register.
17458 (uid_loop): Delete declaration.
17459 (loop_number_exit_count): Likewise.
17460 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
17461 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
17462 (loop_outer_loop, loop_used_count_register): Likewise.
17463 (loop_invalid, loop_number_exit_labels): Likewise.
17464 (unroll_loop): Replace loop_start and loop_end arguments
17465 with loop structure pointer.
17466 (loop_precondition_p, loop_iterations): Likewise.
17467 Include basic-block.h.
17468 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
17469 with loop structure pointer.
17470 (loop_precondition_p, loop_iterations): Likewise.
17471 * basic-block.h (struct loop): New entries vtop, cont,
17472 cont_dominator, start, end, top, scan_start, exit_labels,
17474 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
17476 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
17478 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
17480 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
17482 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
17484 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17486 * pdp11-protos.h: New file.
17488 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
17491 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
17494 * pdp11.md: Likewise.
17496 * 2bsd.h: Likewise.
17498 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17500 * mn10300-protos.h: New file.
17502 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
17505 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
17508 * mn10300.md: Likewise.
17510 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17512 * mn10200-protos.h: New file.
17514 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
17517 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
17520 * mn10200.md: Likewise.
17522 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17524 * h8300-protos.h: New file.
17526 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
17529 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
17532 * h8300.md: Likewise.
17534 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17536 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
17537 (asm_emit_uninitialised): Likewise.
17539 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
17541 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
17542 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
17544 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17546 * config/mips/mips.c (override_options): Don't turn on extra
17547 alignment for mips16.
17549 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17551 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
17552 eabi, and make sure queued POSTINCREMENT rtl is emitted at
17555 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17557 * builtins.c (PAD_VARARGS_DOWN): Define.
17558 (std_expand_builtin_va_arg): Use the above macro.
17559 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
17560 * tm.texi (Register Arguments): Document the above macro.
17562 2000-01-14 Nick Clifton <nickc@cygnus.com>
17564 * emit-rtl.c (emit_insn): If checking is enabled, make sure
17565 that this function has not been used to emit a jump
17568 * jump.c (return_jump_1): Cope with being passed a null rtx.
17570 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17572 * eh-common.h: PROTO -> PARAMS.
17573 * emit-rtl.c: Likewise.
17574 * errors.c: Likewise.
17575 * errors.h: Likewise.
17576 * except.c: Likewise.
17577 * except.h: Likewise.
17578 * explow.c: Likewise.
17579 * expmed.c: Likewise.
17580 * expr.c: Likewise.
17581 * expr.h: Likewise.
17582 * final.c: Likewise.
17583 * fix-header.c: Likewise.
17584 * flow.c: Likewise.
17585 * fold-const.c: Likewise.
17586 * function.c: Likewise.
17587 * function.h: Likewise.
17589 * gcov-io.h: Likewise.
17590 * gcov.c: Likewise.
17591 * gcse.c: Likewise.
17593 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17595 * sh-protos.h: New file.
17597 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
17598 Add static prototypes. Fix compile time warnings.
17600 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
17604 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17606 * arc-protos.h: New file.
17608 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
17611 * arc.h: Move prototypes to arc-protos.h. Fix compile time
17614 * arc.md: Likewise.
17616 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17618 * dsp16xx-protos.h: New file.
17620 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
17623 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
17626 * dsp16xx.md: Likewise.
17628 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17630 * convex-protos.h: New file.
17632 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
17635 * convex.h: Move prototypes to convex-protos.h. Fix compile time
17638 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17640 * elxsi-protos.h: New file.
17642 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
17645 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
17648 * elxsi.md: Likewise.
17650 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
17652 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
17653 case for moving from HI/LO/HI_LO_REG. This makes the behavior
17654 match the comment for MIPS16.
17656 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
17658 * flow.c (split_edge): Do not call set_block_for_insn if we
17659 do not have a basic_block_for_insn structure.
17661 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
17662 and destination functions are 32bit aligned within the trampoline.
17663 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
17664 (TRAMPOLINE_ALIGNMENT): Define.
17666 * cse.c (cse_insn): When changing (set (pc) (reg)) to
17667 (set (pc) (label_ref)), verify the change creates a valid insn.
17669 * fr30.c (call_operand): Tighten and rework to match rules for
17670 call RTL expressions.
17671 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
17672 * fr30.md (call patterns): Improve constraints.
17674 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
17676 * fr30.c (fr30_expand_epilogue): Revert last change.
17677 Use emit_jump_insn for the return insn.
17679 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
17680 Stan Cox <scox@cygnus.com>
17682 * predict.c: New file. Preliminary infrastructure work for static
17683 branch prediction and basic block reordering.
17684 * basic-block.h: Add prototype for estimate_probability.
17685 * Makefile.in: Add rules for predict.o.
17687 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
17689 * fixincludes (va_list): Use __not_va_list__ for the dummy.
17690 * fixinc/*: Likewise.
17692 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17694 * cccp.c: PROTO -> PARAMS.
17695 * cexp.y: Likewise.
17696 * collect2.c: Likewise.
17697 * combine.c: Likewise.
17698 * convert.h: Likewise.
17700 * dbxout.c: Likewise.
17701 * dbxout.h: Likewise.
17702 * diagnostic.c: Likewise.
17703 * doprint.c: Likewise.
17704 * dwarf2out.c: Likewise.
17705 * dwarf2out.h: Likewise.
17706 * dwarfout.c: Likewise.
17707 * dwarfout.h: Likewise.
17708 * dyn-string.h: Likewise.
17710 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17712 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
17713 macro conditionals guarding use.
17715 * dwarf2out.c: Include "tm_p.h".
17717 * function.c (locate_and_pad_parm): Mark parameter with
17719 (expand_function_end): Likewise for variable `context'.
17721 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
17723 2000-01-13 Nick Clifton <nickc@cygnus.com>
17725 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
17726 register to prevent compile time warnings.
17728 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
17730 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
17731 to avoid -Wtraditional warning.
17733 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17735 * 1750a-protos.h: New file.
17737 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
17740 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
17743 * 1750a.md: Likewise.
17745 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17747 * a29k-protos.h: New file.
17749 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
17752 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
17755 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17757 * clipper-protos.h: New file.
17759 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
17762 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
17765 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
17767 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
17769 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
17771 * configure.in (--enable-new-gxx-abi): New option.
17772 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
17773 * Makefile.in (GXX_ABI_FLAG): New variable.
17774 * configure: Regenerate.
17776 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
17778 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
17779 * tm.texi (FORCE_STRUCT_BLK): Document.
17780 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
17782 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
17784 * config/ns32k/ns32k.md: Revert Jan 9 change.
17786 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
17787 to a mode-test, if the predicate is address_operand.
17789 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
17791 * combine.c (if_then_else_cond): Be careful about what kinds
17792 of RTL expressions are passed to operand_subword.
17794 * flow.c (split_edge): If we have to insert a new jump, make
17795 sure to associate it with a basic block.
17797 * flow.c (commit_one_edge_insertion): A block with one successor
17798 can end in a JUMP_INSN that is not a simplejump.
17800 2000-01-12 Robert Lipe <robertl@sco.com>
17802 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
17803 (BUILD_VA_LIST_TYPE): Define.
17804 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
17807 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
17809 * cccp.c (do_pragma): Add cast to (char *).
17811 2000-01-12 Richard Henderson <rth@cygnus.com>
17812 Fred Fish <fnf@be.com>
17813 Jason Merrill <jason@cygnus.com>
17815 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
17816 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
17817 * i386/beos-elf.h, i386/beos-pe.h: New files.
17819 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
17820 * cross-make (SYSTEM_HEADER_DIR): Define using
17821 CROSS_SYSTEM_HEADER_DIR.
17823 * gcc.c (LIBRARY_PATH_ENV): Provide default.
17824 (process_command): Use it.
17825 (main): Likewise. Kill trailing = from env vars.
17826 (build_search_list): Put it back.
17827 * collect2.c (main): Use LIBRARY_PATH_ENV.
17829 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
17830 * toplev.c: Use NEED_DECLARATION_ENVIRON.
17832 * tm.texi (Frame Layout): Document SMALL_STACK.
17833 * c-common.c (c_common_nodes_and_builtins): Check it.
17835 * system.h: Undef alloca after including glibc's <stdlib.h>,
17836 if USE_C_ALLOCA is defined.
17838 * gcc.c (set_input): New fn.
17839 (main): After all input files are compiled, reset the input file
17842 * aclocal.m4 (rindex, index): If already defined, don't attempt
17845 * ginclude/varargs.h: (__va_list__): Define ifndef.
17846 * ginclude/stdarg.h: Likewise.
17848 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
17849 instead of unsigned char.
17851 * hash.h (true, false, boolean): Undef before enum.
17853 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
17854 proper type of "HOST_WIDE_INT *", rather than their natural type of
17855 "unsigned HOST_WIDE_INT *".
17857 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17859 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
17861 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
17863 * regclass.c (choose_hard_reg_mode): Likewise.
17865 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
17867 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
17869 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17871 * c-common.c: PROTO -> PARAMS.
17872 * c-common.h: Likewise.
17873 * c-decl.c: Likewise.
17874 * c-iterate.c: Likewise.
17875 * c-lang.c: Likewise.
17876 * c-lex.c: Likewise.
17877 * c-lex.h: Likewise.
17878 * c-parse.in: Likewise.
17879 * c-pragma.c: Likewise.
17880 * c-pragma.h: Likewise.
17881 * c-tree.h: Likewise.
17882 * c-typeck.c: Likewise.
17883 * objc/objc-act.c: Likewise.
17884 * objc/objc-act.h: Likewise.
17886 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17888 * m88k-protos.h: New file.
17890 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
17893 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
17895 * m88k.md: Likewise.
17897 * tekXD88.h: Likewise.
17899 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17901 * m68k-protos.h: New file.
17903 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
17906 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
17908 * mot3300.h: Likewise.
17910 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
17912 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
17914 (extract_bitlist): Declare bitlen.
17916 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
17918 * cccp.c: Accept and ignore -lang-fortran.
17920 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
17921 qualifiers don't match at any level of pointerness.
17923 2000-01-12 Robert Lipe <robertl@sco.com>
17925 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
17927 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
17929 * reload1.c (reload_reg_unavailable): New static variable.
17930 (reload_reg_free_p): Test it.
17931 (reload_reg_free_for_value_p): Test it instead of
17933 (choose_reload_regs_init): Compute it.
17935 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
17937 * reorg.c (fill_slots_from_thread): Check modified_in_p
17940 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
17942 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
17943 these nodes even if INTERNALS is not set.
17945 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
17947 * gcse.c (delete_null_pointer_checks_1): Cope when
17948 get_condition cannot determine the condition.
17950 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
17952 * toplev.h (set_message_length): Declare.
17954 * diagnostic.c (obstack_chunk_alloc): Define macro.
17955 (obstack_chunk_free): Likewise.
17956 (struct output_buffer): New data structure.
17957 (vmessage): Remove.
17958 (output_maximum_width): New variable.
17959 (doing_line_wrapping, set_message_length, init_output_buffer,
17960 get_output_prefix, output_space_left, emit_output_prefix,
17961 output_newline, output_append, output_puts, dump_output,
17962 vbuild_message_string, build_message_string, build_location_prefix,
17963 voutput_notice, output_printf, line_wrapper_printf,
17964 vline_wrapper_message_with_location): New functions. Implement
17965 automatic line wrapping.
17966 (v_message_with_decl): Make it handle automatic line wrapping.
17967 (v_error_with_file_and_line): Likewise.
17968 (v_warning_with_file_and_line): Likewise.
17969 (announce_function): Likewise.
17970 (default_print_error_function): Likewise.
17972 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
17974 * cpplib.h (struct cpp_options): Change lang_asm to char.
17976 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
17977 done in cpp_handle_option now.
17978 (initialize_builtins): Take out special case code used only by
17980 (cpp_handle_option): Turn off trigraphs and trigraph warnings
17981 if -traditional. Recognize -lang-fortran and set
17982 lang_fortran, also turn off cplusplus_comments.
17983 (print_help): Document -lang-fortran.
17984 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
17985 lang_asm. Ignore all directives other than `# 123 "file"' if
17987 (cpp_get_token): If -traditional, don't recognize directives
17988 unless the # is in column 1.
17989 (parse_string): If lang_fortran or lang_asm, silently
17990 terminate strings ('' or "") at end of line.
17991 Remove unnecessary braces.
17993 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
17994 Richard Henderson <rth@cygnus.com>
17996 * resource.c (mark_referenced_resources): Mark a set strict_low_part
17998 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
17999 strict_low_part when possible.
18001 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18003 * alias.c: PROTO -> PARAMS.
18004 * basic-block.h: Likewise.
18005 * bitmap.c: Likewise.
18006 * bitmap.h: Likewise.
18007 * builtins.c: Likewise.
18008 * c-aux-info.c: Likewise.
18009 * caller-save.c: Likewise.
18010 * calls.c: Likewise.
18012 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18014 * Makefile.in (toplev.o): Depend on regs.h.
18016 * output.h (tdesc_section): Prototype.
18018 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
18020 * sdbout.c: Include "tm_p.h".
18022 * toplev.c: Include "regs.h".
18024 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
18026 * unroll.c (unroll_loop): Add EH support.
18028 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18030 * pa-protos.h: New file.
18032 * pa.c: Include recog.h and tm_p.h.
18033 (compute_zdepwi_operands, compute_movstrsi_length,
18034 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
18035 find_addr_reg, import_milli): Add static prototypes.
18036 (pa_cpu_string, pa_arch_string): Constify a char*.
18037 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
18038 (read_only_operand): Add argument `mode'.
18039 (singlemove_string, output_move_double, output_fp_move_double,
18040 output_block_move, output_and, output_ior, output_ascii,
18041 remove_useless_addtr_insns, milli_names, output_mul_insn,
18042 output_div_insn, output_mod_insn, output_arg_descriptor,
18043 output_cbranch, output_bb, output_bvb, output_dbra, ,
18044 output_millicode_call, output_call, hppa_encode_label,
18045 output_parallel_movb, output_parallel_addb): Constify a char*.
18046 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
18047 (output_parallel_addb): Remove extra arg to `constrain_operands'
18049 * pa.h: Move all prototypes to pa-protos.h.
18050 (pa_cpu_string, pa_arch_string): Constify a char*.
18051 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
18053 * pa.md: Call `function_label_operand' with mode argument.
18054 Likewise for `read_only_operand'.
18055 Fix nesting of parens in call to `symbolic_operand'.
18057 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18059 * i860-protos.h: New file.
18061 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
18064 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
18066 * i860.md: Likewise.
18068 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
18070 * i386.md (movstrsi expander): Rewrite.
18071 (movstrsi_1 insn): Deleted.
18072 (strmovhi, strmovqi expander): New expanders.
18073 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
18074 * i386.c (x86_single_stringop): New global variable.
18075 * i386.h (x86_single_stringop): Declare.
18076 (TARGET_SINGLE_STRINGOP): New macro.
18078 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
18080 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
18081 integer vararg POSTINCREMENT before the destination of the jump
18082 for the hard fp case.
18083 (function_arg_pass_by_reference): Pass a copy of CUM to
18086 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
18087 for CONSTANT_ADDRESS_P above while loop for subreg.
18089 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
18091 * flow.c (propagate_block): When a prologue/epilogue insn
18092 is marked dead, unconditionally clear libcall_is_dead and
18093 insn_is_dead, and only dump rtl if warnings aren't being
18096 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
18098 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
18099 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
18100 (FIXED_REGISTERS): Set dirflag as fixed.
18101 (CALL_USED_REGISTERS): Set dirflag as used.
18102 (REG_ALLOC_ORDER): Set dirflag as last one.
18103 (DIRFLAG_REG): New macro.
18104 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
18105 (HI_REGISTER_NAMES): Add dirflag.
18106 (DEBUF_PRINT_REG): Handle dirflag.
18107 * i386.md (type attribute): New cld and str types.
18108 (length_opcode attribute): Set cld and str to 1.
18109 (memory attribute): Set str to unknown - it is not clear from the
18111 (pent_np function unit): Prefixed string operations takes 12 cycles
18112 minimally; cld takes 2 cycles.
18113 (ppro_uops attribute): Str is "many" and cld is "few".
18114 (ppro_p0 unit): Handle cld here.
18115 (k6_alux unit): Handle cld and str types.
18116 (k6_load unit): It is ocupied by str opcodes.
18117 (k6_store unit): It is ocupied by str opcodes.
18118 (athlon_decode): Str is vector decoded.
18119 (athlon_ieu): Handle str and cld.
18120 (cld pattern): New.
18121 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
18122 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
18123 cmpstrsi_nz_1 insn): Do not output cld instruction
18125 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
18127 * gcc.texi (G++ and GCC): Add Java and Chill.
18128 (Bug Critera): Don't list languages.
18130 * gcc.texi (Incompatibilities): No longer claim most C compilers
18133 * gcc.texi (G++ and GCC): Update other front-ends list.
18135 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
18137 * i386.c (ix86_expand_setcc): Fix typo.
18138 (ix86_expand_movcc): Similarly.
18140 * Band-aid until haifa's bitset implementation is nuked.
18141 * haifa-sched.c (extract_bitlst): New parameter for size of the
18142 bitset in bits. All callers changed. Avoid looking at undefined
18143 bits in the bitset.
18144 (edgeset_bitsize): New variable.
18145 (schedule_region): Initialize edgeset_bitsize.
18147 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18149 * Makefile.in (optabs.o): Depend on real.h
18150 (resource.o): Depend on insn-attr.h
18152 * builtins.c (result_vector): Wrap prototype in macro conditions
18153 governing definition and use.
18155 * c-common.c: Include tm_p.h.
18157 * c-lex.c: Likewise.
18159 * elfos.h: Constify a char*.
18161 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
18162 (get_attr_length, shorten_branches, profile_after_prologue): Mark
18163 parameter with ATTRIBUTE_UNUSED.
18165 * fold-const.c (exact_real_inverse): Wrap variable `i' in
18168 * haifa-sched.c (schedule_insns): Mark parameter with
18171 * optabs.c: Include real.h.
18173 * real.h (ereal_atof): Add prototype arguments.
18175 * resource.c: Include insn-attr.h.
18177 * sdbout.c (sdbout_queue_anonymous_type,
18178 sdbout_dequeue_anonymous_types): Wrap in macro
18179 SDB_ALLOW_FORWARD_REFERENCES.
18180 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
18183 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
18185 * stupid.c: Include tm_p.h.
18187 * tree.c (real_value_from_int_cst): Mark parameter with
18190 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18192 * i960-protos.h: New file.
18194 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
18197 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
18199 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18201 * combine.c (expand_field_assignment): Do not discard SUBREGs
18202 while computing nonzero_bits.
18204 2000-01-09 Nick Clifton <nickc@cygnus.com>
18206 * config/arm/arm.c: Fix compile time warnings about signed vs
18207 unsigned constants.
18208 * config/arm/arm.h: Fix compile time warnings about signed vs
18209 unsigned constants.
18211 2000-01-09 Philip Blundell <philb@gnu.org>
18213 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
18214 than `ldm' with only one register.
18215 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
18218 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
18221 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
18223 * config/ns32k/ns32k.md (load or push effective address): Operand 1
18226 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18228 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
18229 assignment used as truth value.
18231 * function.c (assign_temp): Mark parameter `dont_promote' with
18232 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
18233 PROMOTE_FOR_CALL_ONLY.
18235 * genrecog.c (write_subroutine): Mark variable `operands' with
18238 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
18241 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
18242 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
18244 * toplev.c (note_deferral_of_defined_inline_function): Likewise
18247 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18249 * config/c4x.h: Tidy up comments.
18250 * config/c4x.c: Likewise.
18252 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
18254 * fold-const.c (lshift_double, rshift_double): Handle
18255 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
18257 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
18259 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
18260 in prepare_function_start().
18262 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
18264 * config/v850/v850.c (expand_epilogue): Interrupt functions no
18265 longer allocate extra stack for function calls.
18267 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18269 * config/c4x/c4x.md (*subqf3_set): Fix typo.
18271 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18273 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
18275 2000-01-07 David Edelsohn <edelsohn@gnu.org>
18277 * rs6000.c (processor_target_table): Add power3 as alias for 630.
18278 * aix43.h: Revert Aug 2 change.
18279 (HAS_INIT_SECTION): Define, not visible yet.
18280 (LD_INIT_SWITCH): Define, not visible yet.
18281 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
18283 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
18285 * collect2.c (main): Expand ld2 size further.
18286 (export_object_lst): Cast assignment to avoid warning.
18287 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
18288 (scan_prog_file, COFF): Do not collect initialization or
18289 finalization functions generated for entire shared object if
18290 init/fini support present.
18292 2000-01-07 Nick Clifton <nickc@cygnus.com>
18294 * config/elfos.h: Tidy up formatting of marcos. Make sure
18295 that .section directives are always prefixed by a tab.
18297 * config/svr4.h: Add #include "elfos.h" and remove duplicate
18300 2000-01-07 Matt Austern <austern@sgi.com>
18302 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
18305 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
18307 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
18309 (crtbegin.o, s-crtS): Likewise.
18311 2000-01-06 Richard Henderson <rth@cygnus.com>
18313 * alpha.md (adddi_2+1): Limit offset such that it will be
18314 loadable with a single ldah+lda pair.
18315 (adddi_2+2): Explicitly fail split if we can't make it work.
18317 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
18319 * protoize.c: Conditionally include unistd.h.
18320 (IS_SAME_PATH_CHAR): New macro.
18321 (IS_SAME_PATH): New macro.
18322 (CPLUS_FILE_SUFFIX): New macro.
18323 (cplus_suffix): New static variable.
18324 (is_abspath): New static function.
18325 (in_system_include_dir): Handle DOS style pathnames.
18326 (file_could_be_converted): Likewise.
18327 (file_normally_convertible): Likewise.
18328 (directory_specified_p): Likewise.
18329 (file_excluded_p): Likewise.
18330 (abspath): Likewise.
18331 (shortpath): Likewise.
18332 (referenced_file_is_newer): Likewise.
18333 (save_def_or_dec): Likewise.
18334 (do_processing): Likewise.
18336 (edit_file): Likewise. Use rename instead of link.
18337 (rename_c_file): Likewise. Don't rename syscalls file.
18338 (munge_compile_params): Define null device for DOS based systems.
18339 (process_aux_info_file): Use binary mode if appliable.
18340 (edit_file): Likewise.
18341 * invoke.texi (Running Protoize): Document C++ suffixes used.
18343 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
18344 IS_DIR_SEPARATOR macros.
18345 * collect2.c: Likewise.
18346 * cppinit.c: Likewise.
18347 * dwarf2out.c: Likewise.
18349 * gcov.c: Likewise.
18350 * prefix.c: Likewise.
18352 * toplev.c: Likewise.
18353 * system.h: And move to here.
18355 * prefix.c (update_path): Fix typo in variable name.
18357 2000-01-06 Richard Henderson <rth@cygnus.com>
18359 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
18360 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
18361 (count_reg_sets_1, count_reg_references): Likewise.
18362 (flow_loops_level_compute): Start counting actual loop depth at 1.
18363 (flow_loops_find): Likewise.
18364 * local-alloc.c (update_equiv_regs): Likewise.
18365 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
18367 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
18369 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
18370 FIRST_PSEUDO_REGISTER
18371 * dwarf2out.c: Don't include frame.h
18372 * dwarfout.c: Likewise
18373 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
18376 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
18378 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
18381 * i386.c (movsf splitter): Fix typo in my last checkin.
18383 2000-01-05 Nick Clifton <nickc@cygnus.com>
18385 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
18386 own definition of this macro.
18387 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
18388 flag_data_sections or UNIQUE_SECTION_P are true.
18390 * tm.texi (UNIQUE_SECTION): Document that it can be called for
18391 unitialised data decls.
18393 * config/i386/winnt.c (i386_pe_unique_section): Cope with
18394 being called for uninitialised data.
18396 * config/i386/interix.c (i386_pe_unique_section): Cope with
18397 being called for uninitialised data.
18399 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
18400 for uninitialised data.
18402 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
18403 for uninitialised data.
18405 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
18406 for uninitialised data.
18408 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
18409 (UNIQUE_SECTION_P): Always generate a unique section if
18410 flag_data_sections is true.
18411 (UNIQUE_SECTION): Also generate unique sections for
18412 uninitialised data.
18413 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
18414 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
18417 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18419 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
18422 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18424 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
18425 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
18426 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
18427 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
18428 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
18430 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
18432 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
18434 * c-decl.c (finish_enum): Simplify code to determine minimum and
18435 maximum values of the enum, and calculate the type. Remove check
18436 for FUNCTION_DECLs in the values list, which cannot happen. Replace
18437 the DECL_INITIAL of each enumeration constant with a copy converted
18438 to the enumeration type. When updating variant types, don't bother
18439 updating the type itself.
18441 * c-typeck.c (build_binary_op): Simplify conditional expressions
18442 when weeding out spurious signed-unsigned warnings. Add new
18443 spurious warning category: if the unsigned quantity is an enum
18444 and its maximum value fits in signed_type(result_type). Update
18446 (build_conditional_expr): Warn here if one alternative is signed
18447 and the other is unsigned.
18449 2000-01-05 Nick Clifton <nickc@cygnus.com>
18451 * config/fr30/fr30.h: Remove extraneous comments.
18453 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
18455 * reload1.c (choose_reload_regs): When disabling a reload, also
18456 set reload_spill_index to -1.
18458 2000-01-04 Joel Sherrill (joel@OARcorp.com>
18460 * configure.in (m68*-*-rtemscoff*): New target, formal name for
18462 (m68*-*-rtemself*): New target.
18463 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
18464 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
18465 (sparc*-*-rtemself*): New target.
18466 (sparc*-*-rtems*): Now elf not a.out.
18467 * config/i386/rtems.h: Include config/rtems.h.
18468 * config/i386/rtemself.h: Include config/rtems.h.
18469 * config/i960/rtems.h: Include config/rtems.h.
18470 * config/m68k/rtems.h: Include config/rtems.h.
18471 * config/m68k/rtemself.h: Include config/rtems.h.
18472 * config/mips/rtems64.h: Include config/rtems.h.
18473 * config/pa/rtems.h: Include config/rtems.h.
18474 * config/rs6000/rtems.h: Include config/rtems.h.
18475 * config/sh/rtems.h: Include config/rtems.h.
18476 * config/sh/rtemself.h: Include config/rtems.h.
18477 * config/sparc/rtems.h: Include config/rtems.h.
18478 * config/sparc/rtemself.h: Include config/rtems.h
18480 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
18482 * final.c (shorten_branches): Correctly compute length of
18483 asms without operands.
18485 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
18487 * configure.in: Add pj target.
18488 * configure: Regenerate.
18489 * config/pj: New directory.
18490 * config/pj/lib1funcs.S: New file.
18491 * config/pj/linux.h: New file.
18492 * config/pj/pj.c: New file.
18493 * config/pj/pj.md: New file.
18494 * config/pj/pjl.h: New file.
18495 * config/pj/t-pj: New file.
18496 * config/pj/xm-pj.h: New file
18498 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
18500 * toplev.c (rest_of_compilation): Run shorten-branches before
18503 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18505 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
18506 macros so that they're consistent with their names.
18507 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18508 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
18510 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
18512 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
18513 modified inadvertently.
18515 2000-01-04 Joel Sherrill <joel@OARcorp.com>
18517 * configure.in (v850*-*-rtems*): New target.
18518 * configure: Regenerate.
18519 * config/v850/rtems.h: New file.
18521 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
18523 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
18524 (__gthread_key_create): Likewise.
18525 (__gthread_key_dtor): Likewise.
18526 (__gthread_once): Fix logic.
18527 (__gthread_key_delete): Cast away constness.
18529 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
18530 * invoke.texi: Document.
18531 * i386/mingw32.h (CPP_SPEC): Use.
18532 (LIBGCC_SPEC): Likewise.
18533 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
18535 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18537 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
18538 (HANDLE_PRAGMA_PACK): Undefine.
18539 (SLOW_UNALIGNED_ACCESS): Define.
18541 2000-01-04 David Edelsohn <edelsohn@gnu.org>
18543 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18544 to default definition.
18545 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
18546 (store_fixed_bit_field): Call macro with word_mode and alignment.
18547 (extract_bit_field): Call macro with relevant mode and alignment.
18548 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
18549 to default definition.
18550 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
18552 (move_by_pieces_ninsns): Likewise.
18553 (clear_by_pieces): Likewise.
18554 (emit_push_insn): Likewise.
18555 (store_field): Call macro with relevant mode and alignment.
18556 (expand_expr): Likewise.
18557 (expand_expr_unaligned): Likewise.
18559 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
18560 (SLOW_UNALIGNED_ACCESS): Define.
18561 (CASE_VECTOR_MODE): Always use 32-bit offsets.
18562 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
18563 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
18564 (toc_section): Likewise and .toc pseudo-op.
18565 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
18567 (TEXT_SECTION_ASM_OP): Likewise.
18568 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
18571 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
18572 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
18573 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
18574 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
18575 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
18577 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
18579 * regclass.c: Revert my Jan 4 change to loop cost computation.
18581 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18583 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
18586 2000-01-04 Stan Cox <scox@cygnus.com>
18588 * haifa-sched.c (build_control_flow): Change unreachable simple
18589 loop test to check if current block has only one predecessor.
18590 (find_rgns): Initialize degree. Use dest as degree index, not src.
18592 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18594 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
18596 * calls.c (expand_call): Likewise for
18597 `old_stack_arg_under_construction'.
18599 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
18601 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
18604 * gcc.c (execute): Likewise for `ut' and `st'.
18606 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
18608 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
18610 * jump.c (jump_optimize_1): Likewise for `temp2'.
18612 * local-alloc.c (block_alloc): Likewise for `r1'.
18614 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
18616 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
18617 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
18619 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
18622 * reload.c (find_reloads): Likewise for `goal_alternative_number'
18623 and `goal_earlyclobber'.
18625 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
18627 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
18629 * stupid.c (stupid_life_analysis): Likewise for `chain'.
18631 * unroll.c (copy_loop_body): Likewise for `copy'.
18633 * varasm.c (output_constructor): Likewise for `byte'.
18635 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18637 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
18638 all FP constants for constant->reg moves.
18639 (ix86_split_to_parts): Try to convert memory address into immediate
18640 when available in the constant pool.
18641 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
18643 (LEGITIMATE_CONSTANT_P): Return 1.
18644 * i386.md (pushsf): New splitter to convert constant pool memory
18645 reference to immediate.
18646 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
18649 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
18651 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
18652 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
18653 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
18654 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
18655 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
18657 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
18659 * ginclude/stdbool.h: Support compilation as C++.
18661 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
18663 * fold-const.c (make_range): Don't try to reverse an unbounded range.
18665 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
18667 * regclass.c (regclass): Properly compute loop_cost. Adjust
18670 * regclass.c: Fix minor whitespace problems.
18672 2000-01-03 Anthony Green <green@cygnus.com>
18674 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
18675 Restore the pic register if required.
18677 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
18679 * c-common.c (format_char_info): Update comment.
18680 (check_format_info): Recognize 'z' modifier in the same way 'Z'
18681 was recognized. Emit warning for formats new in ISO C99 only
18682 if flag_isoc9x is not set.
18684 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
18686 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
18688 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
18690 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
18691 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
18692 (make_compound_operation): Choose cheaper alternative between
18693 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
18695 * regclass.c (op_costs): Remove global variable.
18696 (record_reg_classes): New parameter "op_costs" and "reg_pref".
18697 (record_operand_costs): Break out from ...
18698 (scan_one_insn): ... here.
18699 (dump_regclass): Make dumps nicer.
18700 (regclass): Dump preferrences choosed and changes done during passes.
18702 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18704 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
18706 2000-01-03 Jakub Jelinek <jakub@redhat.com>
18708 * config/sparc/sparc.c (gen_df_reg): New function.
18709 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
18710 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
18711 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
18712 movtf_cc_reg_sp64+1): Use it.
18714 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18716 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
18717 copied LABEL_DECLs.
18719 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
18721 * config/i386/i386.c (ix86_expand_unary_operator): Function
18722 definition made void.
18723 (ix86_expand_binary_operator): Update outdated preceding comment.
18724 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
18727 * config/i386/i386.c (override_options): Fix option-name typo.
18729 2000-01-02 Mark Mitchell <mark@codesourcery.com>
18731 * system.h (CEIL): Define.
18732 * builtins.c (CEIL): Remove.
18733 * expmed.c (CEIL): Likewise.
18734 * expr.c (CEIL): Likewise.
18735 * stor-layout.c (CEIL): Likewise.
18737 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18739 * expr.c (store_constructor_field): Fix typo introduced with last
18742 2000-01-01 Mark Mitchell <mark@codesourcery.com>
18744 * tree.h (BINFO_N_BASETYPES): New macro.
18746 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
18748 * expmed.c (emit_store_flag): Prevent losing a pending stack
18749 adjust the same way we prevent losing queued increments.
18751 See ChangeLog.2 for earlier changes.