1 2000-08-23 Nick Clifton <nickc@redhat.com>
3 * config/arm/arm.h (STRUCT_VALUE): Define.
4 (STRUCT_VALUE_REGNUM): Delete.
6 2000-08-23 Zack Weinberg <zack@wolery.cumb.org>
8 * cpphash.h (IN_I): New flag for directive table.
9 * cpplib.c (DIRECTIVE_TABLE): Mark #define, #undef, #ident, and
11 (_cpp_check_directive): If -fpreprocessed, execute directives
12 marked with IN_I. Issue no warnings in this case.
13 * cpplex.c (_cpp_get_token): Expand no macros if -fpreprocessed.
15 2000-08-23 Joseph S. Myers <jsm28@cam.ac.uk>
17 * c-common.c (print_char_table): Allow 'I' flag with %d, %i and
19 (check_format_info): Support printf 'I' flag; warn about it with
22 2000-08-23 Richard Earnshaw (rearnsha@arm.com)
24 * arm.c (arm_expand_prologue): Ensure that the stack-adjustment
25 barrier can't be ignored by the alias analysis code.
27 2000-08-12 Eli Zaretskii <eliz@is.elta.co.il>
29 * fixinc/inclhack.def (sysv68_string): Fix the Sed script so it
32 Wed Aug 23 04:55:48 2000 Alexandre Oliva <aoliva@redhat.com>
34 * simplify-rtx.c (simplify_rtx): Don't pass VOIDmode to
35 simplify_relational_operation() unless both operands are of
37 * cse.c (fold_rtx): Likewise.
39 Tue Aug 22 23:53:27 EDT 2000 John Wehle (john@feith.com)
41 * rtlanal.c (rtx_unstable_p): The pic register is stable
42 (within one function) and the actual rtx should be used
43 when checking the registers.
44 (rtx_addr_can_trap_p): Pic memory addresses can't trap.
46 * alias.c (true_dependence, write_dependence_p): Fix
47 bug in previous patch.
49 * i386.c (ix86_GOT_alias_set): New.
50 (legitimize_pic_address): Use it.
52 * rtlanal.c (rtx_unstable_p): An unchanging MEM is
53 only stable if its address is stable.
54 (rtx_varies_p): An unchanging MEM can't vary if
55 its address doesn't vary.
57 2000-08-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * c-parse.in (unop +): Restrict -Wtraditional warnings to user code.
61 2000-08-22 J. David Anglin <dave@hiauly1.hia.nrc.ca>
63 * vax.h (ASM_SPEC): Pass `-J' to assembler.
64 * x-vax-gcc: New file for bootstrapping with gcc.
65 * x-vax: Use X_CFLAGS rather than X_CPPFLAGS to pass `-J'.
66 * configure.in: Use x-vax-gcc with gcc.
69 Tue Aug 22 21:21:05 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
71 * toplev.c (rest_of_compilation): Rebuild label notes after
72 post-reload splitting pass if new labels have been created.
74 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
76 * diagnostic.h (output_buffer_state): New macro.
77 * diagnostic.c (diagnostic_for_decl, sorry,
78 default_print_error_function, output_do_verbatim,
79 report_diagnostic, report_problematic_module): Use it.
81 (output_format): Use wrap_text instead of maybe_wrap_text.
83 2000-08-22 Nick Clifton <nickc@redhat.com>
85 * config/arm/lib1funcs.asm (ARM_DIV_MOD_BODY): New macro.
86 Common code for ARM divide and modulus functions.
87 (THUMB_DIV_MOD_BODY): New macro. Thumb equivalent of
89 (FUNC_END): New macro: Common code at the end of the division and
91 (THUMB_FUNCTION_START): New macro: Common code at the start of
93 (__divsi3, __udivsi3, __modsi3, __umodsi3): Use new macros.
95 Tue Aug 22 20:34:52 2000 Kaz Kojima <kkojima@rr.iij4u.or.jp>
97 * config/sh/sh.md (cmpeqdi_t splitter): Fix a reverse testing.
99 * config/sh/sh.c (prepare_scc_operands): Apply force_reg to
100 sh_compare_op1 when the mode is DImode and sh_compare_op1 isn't
103 2000-08-22 Nick Clifton <nickc@redhat.com>
105 * config/arm/lib1funcs.asm (__umodsi3): Before performing any
106 restorative additions, test for bottom bits of IP being set,
107 rather than relying upon the RORs not matching.
110 2000-08-22 David Edelsohn <edelsohn@gnu.org>
112 * aix.h (ASM_DECLARE_FUNCTION_NAME): Call named_section() or
113 text_section() as appropriate instead of emitting text csect
115 (TEXT_SECTION_ASM_OP): Only require default 32-bit alignment.
116 (UNIQUE_SECTION): Define macro.
117 (ASM_OUTPUT_SECTION_NAME): Define macro.
118 * rs6000.c (rs6000_override_options): Disable -ffunction-sections
119 on AIX if debugging and -fdata-sections always.
121 2000-08-22 Steven King <sxking@uswest.net>
123 * config/float-i386.h (LDBL_EPSILON): Remove __convert_long_double
125 (LDBL_MAX): Same here.
127 2000-08-22 Richard Henderson <rth@cygnus.com>
129 * flow.c (tidy_fallthru_edge): Update b->end properly.
131 2000-08-22 Stan Cox <scox@redhat.com>
133 * Makefile.in (OBJS): Add dependence.o.
134 * dependence.c: New file.
136 2000-08-22 Alexandre Oliva <aoliva@redhat.com>, John David Anglin <dave.anglin@nrc.ca>
138 * calls.c (check_sibcall_argument_overlap_1): Adjust for
140 (check_sibcall_argument_overlap): Likewise.
142 2000-08-22 Alexandre Oliva <aoliva@redhat.com>
144 * invoke.texi (SH Options): Document -m4-nofpu,
145 -m4-single-only, -m4-single, -m4, -mbigtable, -mfmovd,
146 -mhitachi, -mnomacsave, -misize, -mpadstruct, -mspace.
148 2000-08-22 Joseph S. Myers <jsm28@cam.ac.uk>
150 * c-common.c (check_format_info): Give the 'some locales' warning
151 for strftime %Ey rather than the unconditional 'only last 2 digits
154 2000-08-22 Richard Henderson <rth@cygnus.com>
156 * alias.c (init_alias_analysis): Do not register
157 struct_value_incoming_rtx or static_chain_rtx as pointing
160 Tue Aug 22 01:44:43 2000 Jeffrey A Law (law@cygnus.com)
162 * protoize.c (munge_compile_params): Fix typo and formatting buglets.
164 2000-08-22 Gabriel Dos Reis <gdr@codesourcery.com>
166 * diagnostic.h (report_problematic_module): Declare.
167 * diagnostic.c (report_problematic_module): New function.
168 (report_error_function): Tweak.
170 Tue Aug 22 02:31:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
172 * stmt.c (expand_goto_internal, fixup_gotos): Only check
173 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
175 2000-08-21 Richard Henderson <rth@cygnus.com>
177 * flow.c (calculate_global_regs_live): Mark frame pointer live
178 everywhere before reload.
180 2000-08-21 Jim Wilson <wilson@cygnus.com>
182 * real.c (ereal_from_int, ereal_from_uint, significand_size): Handle
183 INTEL_EXTENDED_IEEE_FORMAT.
184 (toe64): Delete INTEL_EXTENDED_IEEE_FORMAT support. Unconditionally
185 clear last two bytes of output FP value.
187 2000-08-21 Graham Stott <grahams@cygnus.co.uk>
189 * config/ia64/ia64.h (REDO_SECTION_INFO_P): Change decl to DECL.
191 2000-08-21 Jakub Jelinek <jakub@redhat.com>
193 * unroll.c (loop_find_equiv_value): If ret is modified between
194 insn and loop_start, ret might not be equivalent to reg.
196 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
198 * c-common.c (init_dollar_format_checking,
199 maybe_read_dollar_number, finish_dollar_format_checking): New
201 (dollar_arguments_used, dollar_arguments_count,
202 dollar_first_arg_num, dollar_max_arg_used, dollar_format_warned):
204 (check_format_info): Support $ formats for scanf and printf width
205 and precision. Always increment format_chars to advance past the
206 '*' of precision, not just when the format parameters are
209 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
211 * mips.c (block_move_loop, expand_block_move,
212 function_arg_partial_nregs, save_restore_insns, function_prologue,
213 mips_expand_prologue, RA_MASK): Avoid using the `U' integer
215 (function_arg_advance, function_arg): Match argument to format
218 2000-08-21 Nix <nix@esperi.demon.co.uk>
220 * gcc.c (do_spec_1): Implement %j spec flag.
223 * gcc.texi (The Configuration File): Document HOST_BIT_BUCKET.
224 * system.h (HOST_BIT_BUCKET): Default to "/dev/null".
225 * config/i386/xm-dos.h (HOST_BIT_BUCKET): Define as "NUL".
226 * config/i386/xm-os2.h, config/winnt/winnt.h: Likewise.
228 * protoize.c (munge_compile_params): Use HOST_BIT_BUCKET (if
229 writable) instead of hardcoded value.
231 * toplev.c (compile_file): Output to a file even if -fsyntax-only.
233 * gcc.c, config/i386/xm-dos.h, config/i386/xm-os2.h: Kill
236 * gcc.c (cc1_options): Do not process -o or run the assembler if
238 * objc/lang-spec.h: Likewise.
240 2000-08-21 Eli Zaretskii <eliz@is.elta.co.il>
242 * fixinc/fixincl.c (fix_with_system): Pipe the output of
243 "external" fixes through `cat', to avoid truncating the input
246 2000-08-21 Jakub Jelinek <jakub@redhat.com>
248 * config/i386/i386.md (lea_general_1): Copy insn condition to split
250 (lea_general_2, lea_general_3): Likewise.
252 2000-08-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * c-decl.c (duplicate_decls, define_label): Restrict -Wtraditional
255 warnings to user code.
257 * c-lex.c (readescape, yylex): Likewise.
259 * c-typeck.c (store_init_value, process_init_element): Likewise
260 (c_expand_start_case): Format.
262 2000-08-18 Maciej W. Rozycki <macro@ds2.pg.gda.pl>
264 * mips/linux.h (LINK_SPEC): Use %(endian_spec).
266 * mips/mips.h: Change LINKER_ENDIAN_SPEC to ENDIAN_SPEC
267 and linker_endian_spec to endian_spec.
268 (ENDIAN_SPEC): Add %{EB} and %{EL}.
269 (LINK_SPEC): Remove %{EB} and %{EL}.
270 (ASM_SPEC): Likewise. Use %(endian_spec).
272 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
274 * c-tree.h (flag_hosted): Move declaration from here...
275 * c-common.h (flag_hosted): ... to here.
276 (flag_noniso_default_format_attributes): New declaration.
277 * c-decl.c (flag_noniso_default_format_attributes): New variable.
278 (c_decode_option): Set it appropriately for options choosing
279 language standard variant.
280 * c-common.c (init_function_format_info): Only provide default
281 format attributes if flag_hosted. Only provide the gettext
282 formats if flag_noniso_default_format_attributes. Update
284 (check_format_info): Disable treatment of %a as a scanf flag in
287 2000-08-21 Joseph S. Myers <jsm28@cam.ac.uk>
289 * c-common.c (scan_char_table): Add 'w' to flags for all formats
291 (check_format_info): Set 'wide' for scanf format widths. Warn for
292 a zero scanf width. Make the check for writing into a constant
293 object at the first level of indirection; at later levels, warn if
294 any type qualifiers are encountered.
296 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
298 * reload.c (reload_inner_reg_of_subreg): New function broken out of
300 (push_reload): Use reload_inner_reg_of_subreg.
301 (combine_reloads): Do not combine reloads if the input reload
302 is a SUBREG in which the inner part will need reloading.
304 * global.c (global_alloc): Avoid passing dumpfile argument to
306 * toplev.c (rest_of_compilation): Likewise.
307 * reload.h (reload): Remove dumpfile argument. Callers changed.
308 (debug_reload, debug_reload_to_stream): Move prototypes here.
309 * rtl.h (reload): Remove dumpfile argument.
310 * reload.c (debug_reload): Remove prototype.
311 (debug_reload_to_stream): Likewise.
312 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
315 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
317 * diagnostic.c (context_as_prefix): Export.
318 (need_error_newline): Remove.
319 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
320 (error_module_changed, record_last_error_module,
321 error_function_changed, record_last_error_function): New functions.
322 (initialize_diagnostics): Default intialize
323 lang_diagnostic_starter, lang_diagnostic_finalizer.
324 (init_output_buffer): Tweak.
325 (file_name_as_prefix): New function.
326 (announce_function, default_print_error_function,
327 report_error_function, set_diagnostic_context): Tweak.
329 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
331 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
332 condition expression.
334 2000-08-20 Richard Henderson <rth@cygnus.com>
336 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
338 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
340 * cppinit.c (cpp_init): Set global flag when called.
341 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
343 Sun Aug 20 01:41:35 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
345 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
346 before `process_directive' so that newlines won't be missed
348 (cpp_printf): Increment `print->lineno' when newline is emitted.
350 * cppmain.c (cb_ident): Likewise.
351 (cb_define): Likewise.
352 (cb_undef): Likewise.
353 (cb_include): Likewise.
354 (cb_def_pragma): Likewise.
355 (dump_macros_helper): Likewise.
357 2000-08-20 Richard Henderson <rth@cygnus.com>
359 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
360 assigned before a loop.
362 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
363 (ashrsi3, lshrsi3): Likewise.
365 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
367 * c-lang.c: #include diagnostic.h
368 (c_tree_printer): New function.
369 (lang_init): Initialize lang_printer.
371 * Makefile.in (c-lang.o): Depends on diagnostic.h
373 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
375 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
377 * diagnostic.c (default_diagnostic_starter,
378 default_diagnostic_finalizer): New functions.
379 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
380 (pedwarn, pedwarn_with_file_and_line, error,
381 error_with_file_and_line, fatal, warning,
382 warning_with_file_and_line): Adjust call to report_diagnostic.
383 (report_diagnostic): Rework.
384 (set_diagnostic_context): New function.
386 * diagnostic.h (struct diagnostic_context): New data structure.
387 (diagnostic_message, diagnostic_argument_list,
388 diagnostic_file_location, diagnostic_line_location,
389 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
390 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
391 (set_diagnostic_context): Declare.
392 (report_diagnostic): Change prototype.
394 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
396 * fix-header.c (main): Initialize cpplib.
398 2000-08-19 Michael Meissner <meissner@redhat.com>
400 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
401 instructions in it before checking for indirect jumps.
403 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
404 in a indirect jump as a potential for conditional execution.
406 * d30v.h (d30v_init_expanders): Don't declare here.
407 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
410 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
412 * cpp.texi: Add @section for assertions.
414 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
416 * loop.c (scan_loop): Use CONST_CALL_P instead of
417 checking for REG_LIBCALL / REG_RETVAL.
419 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
421 * reload1.c (reload_as_needed): Accept dumpfile argument,
422 pass it to emit_reload_insns.
423 (emit_reload_insns): Add new dumpfile argument. If non-null
424 then dump the reloads for each insn into the dumpfile.
425 (reload): Pass dumpfile to reload_as_needed.
427 * invoke.texi: Clean up linux-gnu vs linux comments.
429 2000-08-19 Richard Henderson <rth@cygnus.com>
431 * config/ia64/ia64.c (reg_or_5bit_operand): New.
432 (ia64_depz_field_mask): New.
433 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
434 (PREDICATE_CODES): Update.
435 * config/ia64/ia64.md: Update commentary.
436 (depz_internal): New.
437 (ashlsi3): Implement directly.
438 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
439 (ashldi3): Use shladd.
440 * config/ia64/ia64-protos.h: Update.
442 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
444 * toplev.c (independent_decode_option): Always process -g.
445 Remove third argument, now unused. Adjust caller to match.
447 2000-08-18 Richard Henderson <rth@cygnus.com>
449 * combine.c (make_compound_operation): Break after creating
452 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
454 * cpplib.c (cpp_register_pragma_space): Just return if the
455 namespace is already registered.
457 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
459 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
460 constant amount. Do not generate ROTL instruction.
462 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
464 * config/sh/elf.h: Do not include sh/sh.h.
465 * config/sh/rtems.h: Likewise.
466 * config/sh/rtemself.h: Do not include sh/elf.h.
467 * configure.in: Get them included with `tm_file's.
468 * configure: Rebuilt.
470 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
471 * config/sh/sh.c (fpscr_set_from_mem): Use them.
473 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
475 * stor-layout.c (compute_record_type): Don't use mode of single
476 field as mode of record if not integer mode of same type.
478 * regmove.c (perhaps_ends_bb_p): New function.
479 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
480 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
481 (fixup_match_1): Likewise.
482 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
483 avoid signed/unsigned warnings.
485 * function.c (fixup_var_refs_1, case MEM): Update CODE after
488 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
490 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
491 (_cpp_trigraph_map): Declaration moved from cpplex.c
493 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
494 instead of 256. Use consistent test for designated initializers.
495 (cpp_init): Initialize trigraph_map.
496 (initialize_standard_includes, parse_option): Use memcmp
499 * cpplex.c (init_trigraph_map): Remove.
500 (trigraph_ok, trigraph_replace, lex_line): Refer to
503 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
504 (do_unassert): Remove unused "next" local.
506 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
508 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
510 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
513 2000-08-17 Richard Henderson <rth@cygnus.com>
515 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
516 the first insn in a sequence.
518 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
520 * alias.c (true_dependence, write_dependence_p): A read
521 involving a label_ref or the constant pool doesn't create
524 * rtl.h (unchanging): Improve documentation.
526 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
528 * cse.c (insert_regs): Remove unused `regno'.
530 2000-08-17 Neil Booth <NeilB@earthling.net>
532 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
533 remove_dup_dirs. If qtail == brack, remove brack not
535 (remove_dup_dir, remove_dup_dirs): New functions.
537 2000-08-17 Neil Booth <NeilB@earthling.net>
539 * cppinit.c (cpp_cleanup): Free include dir chains.
540 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
541 (do_unassert): Free the assert with _cpp_free_definition.
542 * cppmacro.c (_cpp_free_definition): Free memory allocated for
543 assertions. Make the node a T_VOID node.
545 2000-08-17 Neil Booth <NeilB@earthling.net>
547 * cppinit.c (path_include, append_include_chain):
548 Remove 2nd parameter (struct cpp_pending *).
549 (path_include, initialize_standard_includes, cpp_handle_option):
550 Update callers appropriately.
551 (cpp_handle_option): Use pend.
553 2000-08-17 Neil Booth <NeilB@earthling.net>
555 * cppinit.c (sort_options): Remove, put functionality in
558 (initialize_builtins): Free memory.
559 (cpp_start_read): Move init_IStable to cpp_init.
561 * cpplib.h (cpp_init): New prototype.
562 * cppmain.c (main): Call cpp_init.
564 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
566 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
567 (rtx_unstable_p, rtx_varies_p): Process vectors.
569 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
571 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
572 references to GLOBAL symbols. Use LOCAL where appropriate.
574 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
576 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
577 use t-aix41 when host == target.
579 2000-08-16 Richard Henderson <rth@cygnus.com>
581 * reload.c (push_secondary_reload): Revert last change.
582 If we use a reload_in/out pattern, make the when the same
583 as the primary reload.
584 (find_reloads): Likewise.
586 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
588 * configure.in (libstdcxx-v3): Fix test.
589 * configure: Regenerate.
591 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
593 * calls.c (calls_function_1, expand_call): Only test
594 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
595 * function.c (thread_prologue_and_epilogue_insns): Likewise.
597 2000-08-16 Richard Henderson <rth@cygnus.com>
599 * combine.c (simplify_shift_const): Revert previous two
600 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
601 before the main loop.
603 2000-08-15 Richard Henderson <rth@cygnus.com>
605 * combine.c (simplify_shift_const): Bound shift count when
608 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
610 * calls.c (ECF_SP_DEPRESSED): New macro.
611 (calls_function_1): Treat calling sp-depressed function as alloca.
612 (emit_call_1): Don't adjust SP if calling sp-depressed function.
613 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
614 If sp-depressed, ensure block saves and restores SP.
615 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
617 * function.c (keep_stack_depressed): New function.
618 (thread_prologue_and_epilogue_insns): Call it.
619 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
620 to print DECL_OFFSET_ALIGN.
621 Print no-force-blk and transparent-union flags properly.
622 * stmt.c (expand_goto_internal): Don't restore stack if last block
623 and function returns with sp depressed.
624 (fixup_gotos): Likewise.
625 (save_stack_pointer): New function, from code in expand_decl.
626 (expand_decl): Call new function.
627 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
628 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
629 (save_stack_pointer): New declaration.
631 * diagnostic.c (fatal_function): New variable.
632 (set_fatal_function): New function.
634 * diagnostic.h (set_fatal_function): New declaration.
636 2000-08-15 William Cohen <wcohen@redhat.com>
638 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
639 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
640 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
642 2000-08-15 Richard Henderson <rth@cygnus.com>
644 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
646 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
648 * arm.c (arm_function_ok_for_sibcall): New function.
649 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
650 * arm.md (call expanders): Don't check here for calls that can't
653 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
655 * arm.md (splits generating cond_exec): Disable.
657 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
659 * arm/linux-elf.h (text_section): Delete declaration.
661 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
663 ARM support for unordered FP operations.
664 * arm-protos.h (arm_comparison_operator): Declare.
665 * arm.c (arm_comparison_operator): New function.
666 (arm_select_cc_mode): Add unordered comparison codes.
667 (get_arm_condition_code): Likewise.
668 (arm_final_prescan_insn): Can't handle unordered jumps that can't
670 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
671 * arm.md (all uses of comparison_operator): Replace with
672 arm_comparison_operator.
673 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
675 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
678 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
680 * gthr-posix.h: Conditionally include <sched.h>; include
681 <config.h> from libobjc/.
683 2000-08-14 Richard Henderson <rth@cygnus.com>
685 * config/i386/i386.c (legitimize_pic_address): Use Pmode
688 2000-08-14 Richard Henderson <rth@cygnus.com>
690 * configure.in (ia64-*): Set float_format for i386 long double.
692 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
693 as we would for i386 XFmode.
694 (PUT_REAL): Likewise.
695 (endian, ereal_atof, real_value_truncate): Likewise.
696 (ereal_isneg, toe64, etens, make_nan): Likewise.
697 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
699 * config/ia64/ia64-protos.h: Update.
700 * config/ia64/ia64.c (general_tfmode_operand): New.
701 (destination_tfmode_operand): New.
702 (tfreg_or_fp01_operand): New.
703 (ia64_split_timode): New.
704 (spill_tfmode_operand): New.
705 (ia64_expand_prologue): Use TFmode not XFmode.
706 (ia64_expand_epilogue): Likewise.
707 (ia64_function_arg): Likewise.
708 (ia64_function_arg_advance): Likewise.
709 (ia64_return_in_memory): Likewise.
710 (ia64_function_value): Likewise.
711 (ia64_print_operand): Likewise.
712 (ia64_register_move_cost): Set GR<->FR to 5.
713 (ia64_secondary_reload_class): Get GR for TImode memory op.
714 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
715 (ROUND_TYPE_ALIGN): Remove.
716 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
717 (INTEL_EXTENDED_IEEE_FORMAT): Define.
718 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
719 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
720 (MODES_TIEABLE_P): Use TFmode, not XFmode.
721 (CLASS_MAX_NREGS): Likewise.
722 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
723 (PREDICATE_CODES): Update.
724 * config/ia64/ia64.md (movti): New.
725 (movti_internal): Use a clobber for memory alternatives.
726 (reload_inti, reload_outti): New.
727 (movsfcc_astep): Predicate properly.
728 (movdfcc_astep): Likewise.
731 (extendsftf2, extenddftf2): New.
732 (trunctfsf2, trunctfdf2): New.
733 (floatditf2, fix_trunctfdi2): New.
734 (floatunsditf2, fixuns_trunctfdi2): New.
735 (addtf3, subtf3, multf3, abstf2): New.
736 (negtf2, nabstf2, mintf3, maxtf3): New.
737 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
739 (fr_spill): Use TFmode, not XFmode.
740 (fr_restore): Likewise.
741 * config/ia64/lib1funcs.asm (__divtf3): New.
742 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
744 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
746 * cse.c (fold_rtx): Avoid empty body in an if-statement.
748 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
749 `U' integer constant suffix.
751 * dwarf2out.c (add_subscript_info): Avoid empty body in an
754 * sparc/sol2.h (__enable_execute_stack): Prototype.
756 2000-08-14 David Edelsohn <edelsohn@gnu.org>
758 * collect2.c: Remove use of AIX import file.
760 * longlong.h: Test ARCH_PWR not ARCH_POWER.
762 * rs6000.c (print_operand, case 'E'): Add else.
764 2000-08-14 Richard Henderson <rth@cygnus.com>
766 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
767 (movdi_symbolic): New.
769 2000-08-14 Jim Wilson <wilson@cygnus.com>
771 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
772 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
773 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
776 2000-08-14 Richard Henderson <rth@cygnus.com>
778 * expr.c (emit_group_load): Don't force constants into registers.
779 Special case source already in the correct mode.
781 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
783 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
784 * fixinc/inclhack.def: Likewise.
785 * fixinc/mkfixinc.sh: Likewise.
786 * configure: Regenerate.
787 * fixinc/fixincl.x: Regenerate.
788 * install.texi: Document equivalence of linux and linux-gnu.
790 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
792 * cse.c (insert_regs): Also in REG case: When finding an invalid
793 value, and we make a new quantity, make sure that it won't be
794 mistaken by for a valid one by mention_regs.
796 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
798 * h8300.md: Remove obsolete peepholes.
800 2000-08-13 Kazu Hirata <kazu@hxi.com>
802 * invoke.texi (H8/300 Options): Fix typos.
803 * config/h8300.c: Fix formatting.
804 * config/h8300.h: Fix comment typos.
805 (OVERRIDE_OPTIONS): Fix formatting.
807 * function.c: Fix formatting.
809 * cse.c: Fix formatting.
811 2000-08-13 Geoff Keating <geoffk@cygnus.com>
813 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
814 (attempt_auto_inc): Suppress parentheses warning.
815 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
816 * loop.c (load_mems): Remove `u' suffix in two places.
817 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
819 * config/rs6000/rs6000.h: Likewise.
820 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
821 __eabi dummy routine.
822 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
825 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
826 not put stuff in .sdata unnecessarily.
827 (rs6000_unique_section): New function.
828 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
829 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
831 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
832 arrays in C99. Don't try to look at DECL_REGISTER of a
833 COMPONENT_REF. Don't complain twice about the same error.
835 * fixinc/inclhack.def (aix_pthread): New fix.
836 (aix_sysmachine): New fix.
837 * fixinc/fixincl.x: Regenerate.
839 * expr.c (expand_expr): Call convert_modes when turning a large
840 multiply into a small one.
842 2000-08-12 Geoff Keating <geoffk@cygnus.com>
844 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
845 the tree structure an exponent rather than an explicit alignment
846 so it doesn't overflow.
847 (SET_DECL_OFFSET_ALIGN): New macro.
848 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
849 rather than DECL_OFFSET_ALIGN.
850 (place_field): Likewise.
851 * expmed.c (store_bit_field): Abort on align==0 to avoid
852 antisocial machine behaviour.
854 2000-08-12 Richard Henderson <rth@cygnus.com>
856 * sibcall.c (uses_addressof): Accept both addressof and
857 current_function_internal_arg_pointer inside a mem.
858 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
859 if current_function_uses_addressof.
860 * stmt.c (expand_return): Kill tail recursion and HAVE_return
863 2000-08-11 Richard Henderson <rth@cygnus.com>
865 * config/ia64/ia64.md (addsi3): Remove expander.
866 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
867 (*addsi3_shladd): New.
869 2000-08-11 Richard Henderson <rth@cygnus.com>
871 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
872 (do_restore): Likewise.
873 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
874 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
875 (rtx_needs_barrier): Track actual bit manipulation for
876 ar.unat moves, gr_spill, and gr_restore.
877 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
878 (process_set): Don't handle varargs spills.
879 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
880 .mem.offset here instead of in process_set.
881 (gr_restore): Likewise.
883 2000-08-11 Richard Henderson <rth@cygnus.com>
885 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
887 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
889 * gcc.texi (The Configuration File): Document
890 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
891 UPDATE_PATH_HOST_CANONICALIZATION.
893 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
896 unprototyped function pointer casts on integer constants.
898 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
900 * fixproto: Recognize DOS paths with drive letters as absolute paths.
902 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
904 * extend.texi (Volatiles): Fix typos.
906 2000-08-11 Kazu Hirata <kazu@hxi.com>
908 * flow.c: Fix formatting.
910 2000-08-11 Richard Henderson <rth@cygnus.com>
912 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
913 pattern, always allocate a tertiary scratch register.
915 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
916 (reload_inhi): Likewise.
918 2000-08-11 Richard Henderson <rth@cygnus.com>
920 * function.c (put_reg_into_stack): Allow type to be NULL.
921 (schedule_fixup_var_refs): Likewise.
922 (gen_mem_addressof): Allow decl to be NULL.
923 (put_addressof_into_stack): Likewise.
925 * flow.c (merge_blocks_nomove): Be more careful about
926 locating the beginning of block A.
928 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
930 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
935 * config.in: Reverted the check for <sched.h>.
937 2000-08-10 Chris Demetriou <cgd@sibyte.com>
939 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
940 macros define the name of CTOR and DTOR sections.
941 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
942 DTOR_LIST_END): Change to use attributes to specify
944 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
945 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
946 DTOR_LIST_END): Same as in mips/elf.h.
948 2000-08-10 Drew Moseley <dmoseley@redhat.com>
950 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
951 disabling just crt0.o.
953 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
955 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
956 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
957 (EXTRA_SPECS): Add them.
958 * arm/lib1funcs.asm: Support builds for interworking.
959 Use macros to eliminate duplicated pieces of code.
961 2000-08-10 Kazu Hirata <kazu@hxi.com>
963 * h8300.c (expand_a_rotate): New.
964 (emit_a_rotate): Likewise.
965 (h8300_adjust_insn_length): Add support for the rotate insns.
966 * h8300.md (rotlqi3): New.
967 (*rotlqi3_1): Likewise.
969 (*rotlhi3_1): Likewise.
971 (*rotlhi3_1): Likewise.
972 * h8300-proto.h: Add prototypes for expand_a_rotate and
975 * h8300.c: Fix comment typos.
976 (dosize): Declare the variable amount as unsigned.
977 (get_shift_alg): Fix a comparison between signed and unsigned.
978 (emit_a_shift): Likewise.
979 (h8300_adjust_insn_length): Simplify the code.
981 * c-decl.c: Fix formatting.
983 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
985 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
986 warning about non-traditional numeric constant suffixes.
988 * cppexp.c (parse_number): Likewise.
990 * invoke.texi: (-Wtraditional): Document new behavior.
992 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
994 * gthr-posix.h: Include auto-host.h. Conditionally include
996 * configure.in: Check for the <sched.h> header file.
997 * config.in: Added define for HAVE_SCHED_H.
999 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1001 * c-typeck.c (process_init_element): For -Wtraditional, warn about
1002 initialization of unions.
1004 * invoke.texi (-Wtraditional): Document new behavior.
1006 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
1008 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
1009 instead of extra_c_flags.
1010 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
1011 * configure: Regenerate.
1012 * config.in: Regenerate.
1014 * cpperror.c (cpp_type2name): New function.
1015 * cpplex.c (lex_line): If we issued an error for an invalid
1016 preprocessing directive, discard that logical line.
1017 * cpplib.c (do_line): Call a hook function if the current file
1018 is renamed by #line.
1019 (do_ident): Pass the contents of the string, not the entire
1020 token, to the callback function.
1021 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
1022 (cb.rename_file): New hook function.
1023 (cb.ident): Adjust prototype.
1024 (cpp_type2name): Prototype.
1025 * cppmacro.c (dump_macro_args): Correct precedence lossage.
1027 * cppmain.c (cb_ident): Update for changed interface.
1028 (cb_rename_file): New function.
1029 (main): Set rename callback.
1031 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
1033 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
1034 multi-word registers.
1036 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1038 * c-common.c (combine_strings, check_format_info): Refer to ISO C
1039 or ISO C89 instead of ANSI C.
1040 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
1041 build_enumerator, do_case): Likewise.
1042 * c-lex.c (parse_float, yylex): Likewise.
1043 * c-parse.in: Likewise.
1044 * c-typeck.c (common_type, build_array_ref, build_binary_op,
1045 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
1046 build_c_cast, convert_for_assignment, set_init_index,
1047 set_init_label, c_expand_start_case): Likewise.
1048 * toplev.c (documented_lang_options, display_help): Likewise.
1050 2000-08-08 Kazu Hirata <kazu@hxi.com>
1052 * h8300.c: Fix formatting.
1053 * h8300.h: Likewise.
1054 * h8300.md: Likewise.
1055 (movsi_h8300hs): Fix formatting of the resulting assembly code.
1057 * reload1.c: Fix formatting.
1059 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
1061 * alpha/alpha.c (alpha_emit_xfloating_libcall):
1062 Use GEN_CALL_VALUE define.
1063 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
1064 * clipper/clipper.md (untyped_call): Likewise.
1065 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
1066 * fx80/fx80.md (untyped_call): Likewise.
1067 * mips/mips.md (untyped_call): Likewise.
1068 * ns32k/ns32k.md (untyped_call): Likewise.
1069 * pa/pa.md (untyped_call): Likewise.
1070 * romp/romp.md (untyped_call): Likewise.
1071 * sparc/sparc.md (untyped_call): Likewise.
1073 2000-08-08 Jason Eckhardt <jle@cygnus.com>
1075 * config/i860/i860.c (singlemove_string): Do not generate assembler
1076 pseudo instructions that must be expanded (that is, with signed
1077 constants larger than 16 bits).
1079 2000-08-08 Richard Henderson <rth@cygnus.com>
1081 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
1082 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
1083 (init_propagate_block_info): Don't kill memory stores at -O0.
1084 (mark_set_1, mark_used_regs): Likewise.
1086 2000-08-08 David Edelsohn <edelsohn@gnu.org>
1088 * rs6000.c (optimization_options): Decorate 'level' as
1090 (mask64_operand): Remove sign-extend thinko.
1091 (rldic_operand): New function.
1092 (load_multiple_operation): regno's are unsigned ints.
1093 (store_multiple_operation): Likewise.
1094 (lmw_operation): Likewise.
1095 (stmw_operation): Likewise.
1096 (includes_lshift_p): shift_mask is unsigned int.
1097 (includes_lshift64_p): New function.
1098 (addrs_ok_for_quad_peep): unsigned int reg1.
1099 (print_operand): Consistently add "else" after
1100 output_operand_lossage().
1101 (print_operand, case 'b'): Fold in case 'W'.
1102 (print_operand, case 'W'): Print rldic MB value.
1103 (output_epilogue): Update Objective-C language string.
1104 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
1105 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
1106 * rs6000.md (ashldi3): Add rldic instruction.
1107 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
1108 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
1111 2000-08-08 Richard Henderson <rth@cygnus.com>
1113 * config/ia64/ia64-protos.h: Remove duplicates. Update
1114 for massive code rearrangements.
1115 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
1116 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
1117 (ia64_local_regs, ia64_need_regstk): Remove.
1118 (ar_ccv_reg_operand): New.
1119 (ia64_gp_save_reg): New.
1120 (struct ia64_frame_info): Combine most of the size elements;
1121 add new gr save elements.
1122 (find_gr_spill): New.
1123 (next_scratch_gr_reg): New.
1124 (mark_reg_gr_used_mask): New.
1125 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
1126 to GR backing store regs when possible.
1127 (ia64_initial_elimination_offset): New.
1128 (ia64_rap_fp_offset): Remove.
1129 (save_restore_insns): Remove.
1130 (setup_spill_pointers): New.
1131 (finish_spill_pointers): New.
1132 (spill_restore_mem): New.
1133 (do_spill, do_restore): New.
1134 (ia64_expand_prologue): Rewrite to use them.
1135 (ia64_expand_epilogue): Likewise.
1136 (ia64_direct_return): Update for current_frame_info changes.
1137 (ia64_function_prologue): Simplify .prologue emission. Emit
1139 (ia64_setup_incoming_varargs): Don't ever emit rtl.
1140 (ia64_dbx_register_number): New.
1141 (ia64_initialize_trampoline): New.
1142 (ia64_secondary_reload_class): Request GR_REGS for integer
1143 arithmetic destined for FR_REGS.
1144 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
1145 (ia64_mark_machine_status): Mark ia64_gp_save.
1146 (rws_access_regno): Rename from rws_access_reg; don't treat
1147 predicates specially.
1148 (rws_access_reg): New. Update all callers.
1149 (rtx_needs_barrier): Remove dead unspecs.
1150 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
1151 (ia64_encode_section_info): Silence signed/unsigned warnings.
1152 (spill_offset, sp_offset, spill_offset_emitted): Remove.
1153 (tmp_reg, tmp_saved): Remove.
1154 (process_set): Rewrite to expect complicated bits via
1155 REG_FRAME_RELATED_EXPR.
1156 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
1157 in the use of ar.ccv; never set RTX_UNCHANGING_P.
1158 (ia64_expand_op_and_fetch): Likewise.
1159 (ia64_expand_compare_and_swap): Likewise.
1160 (ia64_expand_builtin): Likewise.
1161 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
1162 (FIRST_PSEUDO_REGISTER): Update.
1163 (AR_M_REGNO_P): Update.
1164 (FIXED_REGS): Don't mark three local registers as used.
1165 (EXTRA_CC_MODES): New.
1166 (SELECT_CC_MODE): New.
1167 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
1168 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
1169 (FRAME_GROWS_DOWNWARD): Unset.
1170 (STARTING_FRAME_OFFSET): Zero.
1171 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
1172 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
1173 (HARD_FRAME_POINTER_REGNUM): New.
1174 (CAN_DEBUG_WITHOUT_FP): Define.
1175 (TRAMPOLINE_TEMPLATE): Remove.
1176 (TRAMPOLINE_SIZE): Lower to 32.
1177 (TRAMPOLINE_ALIGNMENT): Lower to 64.
1178 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
1179 (PREDICATE_CODES): Update.
1180 (struct machine_function): Add ia64_gp_save.
1181 * config/ia64/ia64.md: Purge unused unspecs.
1182 (movsi patterns): Allow moves to/from AR_M_REGS.
1183 (movdi patterns): Allow moves to/from p0.
1184 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
1185 (gr_spill, gr_restore): Indicate ar.unat read/written.
1186 (nonlocal_goto): Don't pass old frame_pointer.
1187 (nonlocal_goto_receiver): Remove.
1188 (exception_receiver): New.
1189 (builtin_setjmp_setup): New.
1190 (builtin_setjmp_receiver): New.
1191 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
1192 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
1193 (__ia64_restore_stack_nonlocal): Likewise.
1194 (__ia64_trampoline): New.
1195 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
1197 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
1199 2000-08-08 Richard Henderson <rth@cygnus.com>
1201 * frame.h (ia64_frame_state): Add my_psp.
1202 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
1203 (__throw): Pass it in. Don't clobber r7.
1204 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
1205 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
1206 and nothing to do with sp.
1207 (normalize_reg_loc): Use frame->my_psp.
1208 (frame_translate): Handle frame-pointer-less functions. Set
1209 spill_base correctly, in absence of being told.
1210 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
1211 (__ia64_backtrace_helper): New sp argument. Use
1212 builtin_return_address instead of label addresses.
1213 (print_record) [mem_stack_v]: No size member.
1215 2000-08-08 Richard Henderson <rth@cygnus.com>
1217 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
1219 2000-08-08 Richard Henderson <rth@cygnus.com>
1221 * tm.texi (LOCAL_REGNO): Document.
1222 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
1223 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
1224 * reload1.c (reload): Likewise when considering nonlocal labels.
1226 * config/ia64/ia64.h (LOCAL_REGNO): New.
1227 * config/sparc/sparc.h (LOCAL_REGNO): New.
1229 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
1231 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
1233 2000-08-07 Nick Clifton <nickc@redhat.com>
1235 * config/mips/mips.c: Fix compile time warning messages.
1236 * config/mips/mips-protos.h: Add prototype for equality_op.
1238 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
1240 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
1242 * mn10300.md: Use nonimmediate_operand instead of general_operand
1245 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
1247 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
1249 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
1250 * sh.c (expand_block_move): Break long lines.
1251 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
1252 * sh.md (mulsi3): Likewise.
1253 (movdi): Adjust spacing.
1255 2000-08-07 Richard Henderson <rth@cygnus.com>
1257 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
1258 * expr.c (emit_group_store): Don't set it.
1260 2000-08-07 Kazu Hirata <kazu@hxi.com>
1262 * invoke.texi (Options for Debugging Your Program or GCC): Remove
1263 duplicate entries for 'w' and 'z'.
1265 * flow.c: Fix a comment typo.
1267 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1269 * c-parse.in: Changed the language string for Objective-C to "GNU
1272 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1274 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
1275 to improve the Posix thread support for Objective-C.
1277 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
1279 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
1280 CTI_UNSIGNED_PTRDIFF_TYPE.
1281 (signed_size_type_node): Define.
1282 (unsigned_ptrdiff_type_node): Define.
1283 * c-decl.c (init_decl_processing): Create the
1284 signed_size_type_node and unsigned_ptrdiff_type_node types.
1285 * c-common.c (T_SC): Define.
1288 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
1289 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
1291 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
1292 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
1293 flags for %c, %s and %[.
1294 (check_format_info): Only allow leniency for signedness of targets
1295 of character pointers (when pedantic) for formats flagged with
1296 "c", so for strings but not for %hh formats. When pedantic, don't
1297 allow character pointers to substitute for void pointers if a
1298 second level of indirection is present.
1300 2000-08-06 Kazu Hirata <kazu@hxi.com>
1302 * invoke.texi (Options for Debugging Your Program or GCC): Update
1303 the names of dump files.
1305 * h8300.c (dosize): Rearrange code for conciseness.
1306 (split_adds_subs): Likewise.
1308 * loop.c: Fix formatting.
1310 * dwarf2out.c: Fix formatting.
1312 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
1314 * expr.c: Fix formatting.
1316 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1318 * rs6000.c (rs6000_maybe_dead): Prototype.
1320 2000-08-06 Richard Henderson <rth@cygnus.com>
1322 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
1323 HAVE_nonlocal_goto as well.
1324 * config/i960/i960.md (nonlocal_goto): Don't do it here.
1325 * config/pj/pj.md (nonlocal_goto): Likewise.
1327 2000-08-07 Michael Hayes <mhayes@cygnus.com>
1329 * loop.c (try_swap_copy_prop): New function.
1330 (load_mems): Rename copies to load_copies and add new regset
1331 store_copies. Check for sets of shadow registers and mark
1332 in store_copies. Call try_swap_copy_prop for registers
1333 marked in store_copies.
1335 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1337 * objc/objc-act.c: New command line option -fconstant-string-class
1338 to allow specifying a user defined constant string class,
1339 different from NXConstantString.
1341 * toplev.c: Moved the Objective-C specific options to
1342 objc/lang-options.h.
1344 * objc/lang-options.h: Moved the Objective-C specific options from
1345 toplev.c. Added -fconstant-string-class.
1347 2000-08-05 Chris Demetriou <cgd@sibyte.com>
1349 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1350 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
1351 __CTOR_LIST__ from func_ptr array to just func_ptr, to
1352 avoid extra alignment imposed on arrays.
1353 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1354 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
1356 * mips.h: Clean up comments and spacing near MASKs.
1357 (TARGET_UNIX_ASM): Delete.
1358 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
1359 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
1362 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
1364 * c-common.c (print_char_table): Add entries for the X/Open '
1365 format flag (print decimals with locale's thousands grouping
1366 character). Make %C expect wint_t.
1367 (check_format_info): If pedantic, warn when the %n$ operand
1368 number form is used. Allow for the ' flag; warn about it if
1371 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
1373 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
1374 type is a float mode, cfun->decl's return type is not, and
1375 TARGET_FLOAT_RETURNS_IN_80387.
1377 2000-08-04 Andreas Schwab <schwab@suse.de>
1379 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
1380 token list, which are always `#' and `pragma'.
1382 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
1384 * tree.c (tree_expr_nonnegative_p): Move to...
1385 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
1386 (rtl_expr_nonnegative_p): New.
1387 * tree.h: Add prototype for rtl_expr_nonnegative_p.
1389 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
1390 CONST_DOUBLE_CHAIN: Move to...
1391 * rtl.h: ...here. Use XCINT/XCEXP.
1393 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
1394 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
1395 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
1398 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
1400 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1402 * config/c4x/c4x.md (return_indirect_internal): New.
1403 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
1405 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1407 * c-common.c (time_char_table): Mark up formats added in C99 and
1408 make other corrections. %D and %g were added in C99. %Og is an
1409 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
1410 C99. %e was added in C99. %Oj is an extension. %G and %z are in
1411 C99 rather than GNU extensions, but %OG and %Oz are extensions.
1412 %h was added in C99. %C was added in C99. %OY and %OC are
1413 extensions. Add the C99 format %F.
1414 (check_format_info): If pedantic and not in C99 mode, warn for C99
1417 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1419 * function.c (schedule_fixup_var_refs): New function, broken out
1420 of put_reg_into_stack.
1421 (put_reg_into_stack): Use it.
1422 (put_var_into_stack): In CONCAT case, fixup up references for
1423 components only after fixing up references to the whole concat.
1425 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
1427 * alias.c (mark_constant_function): Use INSN_P.
1428 (init_alias_analysis): Likewise.
1429 * combine.c (combine_instructions): Use INSN_P.
1430 (can_combine_p): Likewise.
1431 (try_combine): Likewise.
1432 (distribute_notes): Likewise.
1433 (distribute_links): Likewise.
1434 * cse.c (cse_around_loop): Use INSN_P.
1435 (invalidate_skipped_block): Likewise.
1436 (cse_set_around_loop): Likewise.
1437 (cse_end_of_basic_block): Likewise.
1438 (delete_trivially_dead_insns): Likewise.
1439 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
1440 (unshare_all_rtl_1): Likewise.
1441 (next_cc0_user): Likewise.
1442 (try_split make_insn_raw): Likewise.
1443 (remove_unnecessary_notes): Likewise.
1444 * final.c (shorten_branches): Use INSN_P.
1445 (leaf_renumber_regs): Likewise.
1446 (leaf_renumber_regs_insn): Likewise.
1447 * flow.c (find_label_refs): Use INSN_P.
1448 (verify_wide_reg): Likewise.
1449 (notice_stack_pointer_modification): Likewise.
1450 (count_or_remove_death_notes): Likewise.
1451 (verify_flow_info): Likewise.
1452 (clear_log_links): Likewise.
1453 * function.c (fixup_var_refs_insns): Use INSN_P.
1454 (compute_insns_for_mem): Likewise.
1455 * gcse.c (alloc_gcse_mem): Use INSN_P.
1456 (compute_sets): Likewise.
1457 (compute_hash_table): Likewise.
1458 (classic_gcse): Likewise.
1460 (insert_insn_end_bb): Likewise.
1461 (delete_null_pointer_checks_1): Likewise.
1462 * global.c (expand_preferences): Use INSN_P.
1463 (build_insn_chain): Likewise.
1464 * graph.c (node_data): Use INSN_P.
1465 * haifa-sched.c (priority): Use INSN_P.
1466 (rm_line_notes): Likewise.
1467 (rm_other_notes): Likewise.
1468 (find_insn_reg_weight): Likewise.
1469 (init_target_units): Likewise.
1470 (schedule_block): Likewise.
1471 (compute_block_forward_dependences): Likewise.
1472 (debug_dependencies): Likewise.
1473 (set_priorities): Likewise.
1474 * integrate.c (function_cannot_inline_p): Use INSN_P.
1475 (save_parm_insns): Likewise.
1476 (copy_insn_list): Likewise.
1477 * jump.c (mark_all_labels): Use INSN_P.
1478 (never_reached_warning): Likewise.
1479 * lcm.c (optimize_mode_switching): Use INSN_P.
1480 * local-alloc.c (validate_equiv_mem): Use INSN_P.
1481 (memref_used_between_p): Likewise.
1482 (update_equiv_regs): Likewise.
1483 (block_alloc): Likewise.
1484 (no_conflict_p): Likewise.
1485 * loop.c (scan_loop): Use INSN_P.
1486 (find_and_verify_loops): Likewise.
1487 (count_loop_regs_set): Likewise.
1488 (loop_reg_used_before_p): Likewise.
1489 (strength_reduce): Likewise.
1490 (recombine_givs): Likewise.
1491 (check_dbra_loop): Likewise.
1492 (load_mems): Likewise.
1493 (try_copy_prop): Likewise.
1494 * print-rtl.c (print_rtx): Use INSN_P.
1495 * recog.c (find_single_use): Use INSN_P.
1496 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
1497 (next_flags_user): Likewise.
1498 (swap_rtx_condition): Likewise.
1499 * regmove.c (mark_flags_life_zones): Use INSN_P.
1500 (optimize_reg_copy_1): Likewise.
1501 (optimize_reg_copy_2): Likewise.
1502 (optimize_reg_copy_3): Likewise.
1503 (reg_is_remote_constant_p): Likewise.
1504 (fixup_match_2): Likewise.
1505 (regmove_optimize): Likewise.
1506 (fixup_match_1): Likewise.
1507 * regrename.c (build_def_use): Use INSN_P.
1508 (replace_reg_in_block): Likewise.
1509 (consider_use): Likewise.
1510 * reload.c (find_equiv_reg): Use INSN_P.
1511 * reload1.c (reload): Use INSN_P.
1512 (maybe_fix_stack_asms): Likewise.
1513 (calculate_needs_all_insns): Likewise.
1514 (reload_as_needed): Likewise.
1515 (emit_output_reload_insns): Likewise.
1516 (delete_address_reloads_1): Likewise.
1517 (reload_cse_regs_1): Likewise.
1518 (reload_combine): Likewise.
1519 (reload_cse_move2add): Likewise.
1520 * reorg.c (redundant_insn): Use INSN_P.
1521 (dbr_schedule): Likewise.
1522 * resource.c (find_dead_or_set_registers): Use INSN_P.
1523 (mark_target_live_regs): Likewise.
1524 * rtlanal.c (reg_used_between_p): Use INSN_P.
1525 (reg_referenced_between_p): Likewise.
1526 (reg_set_between_p): Likewise.
1527 (reg_set_p): Likewise.
1528 (single_set): Likewise.
1529 (multiple_sets): Likewise.
1530 (find_last_value): Likewise.
1531 (reg_set_last): Likewise.
1532 (find_reg_note): Likewise.
1533 (find_regno_note): Likewise.
1534 * sibcall.c (sequence_uses_addressof): Use INSN_P.
1535 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
1536 * ssa.c (find_evaluations): Use INSN_P.
1537 (rename_block): Likewise.
1538 (rename_equivalent_regs): Likewise.
1539 * unroll.c (loop_find_equiv_value): Use INSN_P.
1540 (set_dominates_use): Likewise.
1541 * varasm.c (mark_constant_pool): Use INSN_P.
1542 (mark_constants): Likewise.
1543 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
1544 (alphaev4_next_group): Likewise.
1545 (alphaev5_next_group): Likewise.
1546 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
1547 (c4x_rptb_rpts_p): Likewise.
1548 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
1549 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
1550 (rs6000_adjust_priority): Likewise.
1551 * config/sh/sh.c (sh_loop_align): Use INSN_P.
1552 (machine_dependent_reorg): Likewise.
1553 (split_branches): Likewise.
1554 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
1556 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
1558 * combine.c (recog_for_combine): Remove the old notes
1559 prior to attempting to recognize the new pattern.
1560 (distribute_notes): Ignore REG_NONNEG notes.
1562 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
1564 * varasm.c (output_constructor): Add .align 0 for packed vars.
1566 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1568 * configure.in: Use default thread_file even when enable_threads is
1569 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
1570 * configure: Rebuilt.
1572 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
1574 2000-08-04 Donn Terry (donnte@microsoft.com)
1576 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
1578 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
1580 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
1581 Delete code that conditionally modifies 'version'.
1582 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
1583 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
1584 * gcc.c (main): Use it.
1585 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
1586 * prefix.c (update_path): Use it.
1587 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
1588 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
1589 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
1591 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
1592 (SUBTARGET_SWITCHES): Adjust.
1593 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
1595 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
1597 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1599 * c-common.h (flag_isoc94): Declare.
1600 * c-decl.c (flag_isoc94): Define.
1601 (c_decode_option): Set flag_isoc94 as appropriate.
1602 * c-common.c (T_PD, T_IM, T_UIM): Define.
1603 (format_char_info): Add tlen and jlen.
1604 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
1606 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
1608 (time_char_table): Add NULL entries for %t and %j.
1609 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
1610 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
1611 Warn for printf %lf if pedantic and not C99. Don't warn for empty
1612 precision. Allow precision argument to be unsigned int. If
1613 pedantic, warn for %p passed an argument not a pointer to possibly
1614 qualified void or a possibly qualified character type, and for
1615 pointer targets of the wrong sign, except for character pointers.
1617 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1619 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
1620 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
1621 (wint_type_node): Define.
1622 * c-decl.c (WINT_TYPE): Define.
1623 (init_decl_processing): Create the wint_type_node type.
1624 * c-common.c (T_WI): Define.
1625 (print_char_table): Use T_WI for %lc format.
1627 2000-08-04 Bruce Korb <bkorb@gnu.org>
1629 * fixinc/: Verified that the MSDOS patch does not break
1630 the UNIX functionality and applied the next three patches
1633 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
1635 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
1636 output file with the temporary one by appending ".X" to generate
1637 the temporary fuile's name. If the output file already has an
1638 extension, replace it with ".X".
1640 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
1641 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
1642 reallocate the command buffer while copying the command-line
1643 argument. Redirect the output directly to the temporary file,
1644 instead of going through another temporary file.
1645 (process): Close the temporary file before unlinking it.
1646 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
1647 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
1648 (run_compiles): Pass p_fixd argument to machine_matches, as it
1651 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
1652 environment, assume there are no symlinks in the include
1653 directory. When cleaning up the DONE files, look for them
1654 case-insensitively. Don't try to remove symlinks if they aren't
1657 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
1658 all callers changed. Declare pz "const char *", to avoid compiler
1661 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
1662 Change prototype of make_raw_shell_str.
1664 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
1666 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
1667 (initialize) [__MSDOS__]: Use tempnam.
1668 (initialize): Don't use SIGPIPE if it is not defined.
1670 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
1673 2000-07-25 Bruce Korb <bkorb@gnu.org>
1675 * fixinc/fix*.[ch]: substantially reworked to make it possible
1676 to run this program without using fork(2) or pipe(2) (i.e. in
1679 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1681 * cppdefault.h (WINT_TYPE): Define.
1682 * cppinit.c (builtin_array): Define __WINT_TYPE__.
1683 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
1684 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
1686 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
1688 * (mips_legitimate_address_p): Don't allow register+offset
1689 if the offset is large and negative, and we are compiling
1690 for 64 bit registers.
1692 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1694 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
1695 insn_code_number + 1.
1697 2000-08-04 Kazu Hirata <kazu@hxi.com>
1699 * h8300.c (function_prologue): Rearrange code for conciseness.
1700 (function_epilogue): Likewise.
1701 * h8300.h (OK_FOR_U): Fix formatting.
1703 * cse.c: Fix a comment typo. Fix formatting.
1705 2000-08-03 Richard Henderson <rth@cygnus.com>
1707 * config/i386/i386.md (return_indirect_internal): New.
1708 * config/i386/i386.c (ix86_expand_epilogue): Use it.
1710 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
1712 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
1714 (lex_line): Glue @ onto the beginning of identifiers and
1715 string constants, in Objective-C mode.
1716 (output_token, spell_token): Handle CPP_OSTRING.
1717 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
1718 beginning of a NAME or a STRING, in objc mode.
1720 * cpplib.c (get_define_node): Do not permit identifiers that
1721 begin with @ to be #defined.
1722 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
1723 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
1725 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
1726 * c-tree.h (build_objc_string): Delete prototype.
1727 * objc/objc-tree.def: Delete OBJC_STRING_CST.
1728 * c-lex.c (yylex): Use build_string for all three kinds of strings.
1730 * c-parse.in, objc/objc-act.c: Update commentary.
1732 2000-08-03 Mark Mitchell <mark@codesourcery.com>
1734 * extend.texi: Fix typo in last change.
1736 * extend.texi: Add commentary on statement-expressions and their
1737 interactions with C++.
1739 2000-08-03 Nick Clifton <nickc@cygnus.com>
1741 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
1742 * dwarf.h (LANG_JAVA): Change value to 0x000b.
1744 2000-08-03 Anthony Green <green@cygnus.com>
1746 * dwarf2out.c (gen_compile_unit_die): Add java language support.
1747 (add_bound_info): Check for java language.
1748 (is_java): New function.
1749 * dwarfout.c (output_compile_unit_die): Ditto.
1750 * dwarf.h (dwarf_source_language): Add java source language type.
1751 * dwarf2.h (dwarf_source_language): Ditto.
1753 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1755 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
1758 * i386.c (ix86_expand_branch): Mode of comparison in
1759 IF_THEN_ELSE is VOIDmode.
1761 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
1763 * gengenrtl.c, rtl.c: Avoid #elif.
1765 2000-08-03 Michael Poole <poole@troilus.org>
1767 * tm.texi (Register Classes): Clarify order of sub-initializers
1768 in REG_CLASS_CONTENTS.
1770 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1772 From SAITOH Masanobu:
1773 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
1775 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
1777 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
1778 is not supported by tradcpp and isn't actually needed for cygwin.
1780 2000-08-03 Kazu Hirata <kazu@hxi.com>
1782 * h8300.c: Fix a comment typo.
1783 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
1785 * jump.c: Fix formatting.
1787 * toplev.c: Fix formatting.
1789 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
1791 * flow.c (find_auto_inc): Verify that we've got a REG before
1792 peeking at its regno. Fail, don't abort if we can't find
1793 the increment of the desired register.
1795 * pa.md (shadd height reduction patterns/splitters): Remove.
1797 2000-08-02 Jim Wilson <wilson@cygnus.com>
1799 * config/ia64/ia64-protos.h (flag_ssa): Declare.
1800 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
1802 2000-08-02 Mark Mitchell <mark@codesourcery.com>
1804 * dce.c: Remove all uses of assert.
1805 * dwarf2out.c: Likewise.
1806 * dwarfout.c: Likewise.
1809 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1811 * gcc.h (lang_specific_driver): Constify second argument.
1812 * gcc.c (translate_options, process_command, main): Likewise.
1813 Constify variables to match. Cast second argument to
1816 * cppspec.c, gccspec.c: Adjust type of second argument to
1817 lang_specific_driver, and update code as necessary.
1819 2000-08-02 Jakub Jelinek <jakub@redhat.com>
1821 * loop.c (scan_loop): Ensure update_end label does not
1822 go away until reg_scan_update is run.
1824 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1826 * c-common.h: Prototype min_precision and c_build_qualified_type here...
1827 * c-tree.h: ... not here.
1828 * errors.h: Prototype fancy_abort.
1830 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
1831 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
1832 * regrename.c (regrename_optimize): Make control flow explicit.
1833 (replace_reg_in_block): Initialize reg_use to 0.
1835 * i386.c (legitimate_address_p): Rename error label to
1836 report_error to avoid namespace clash.
1838 2000-08-02 Kazu Hirata <kazu@hxi.com>
1840 * fold-const.c: Fix formatting.
1842 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
1844 * i386.c (legitimate_address_p): Accept other bases than
1845 pic_offset_table_rtx for GOTOFF constructs.
1847 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1849 * i386.md (shift to lea splitter): Use const_int_operand.
1851 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1853 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
1854 cppspec.c: Do not use 'legal' or 'illegal' in error messages
1857 * cppmain.c (cb_define, cb_undef): Don't generate any output
1858 if not done_initializing.
1859 * cpplex.c (maybe_paste_with_next): When the token after a ##
1860 is an omitted rest argument, only delete the token before it
1861 if that token is a comma. Do not warn about bogus token
1862 pastes for , ## rest_arg.
1865 * cpp.1: Regenerate.
1867 2000-08-02 Fred Fish <fnf@be.com>
1869 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
1870 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
1873 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
1874 Be directories to search path.
1876 Remove support for __declspec(dllimport) and __declspec(dllexport).
1877 This is leftover cruft from the earlier BeOS gcc port when BeOS
1878 used Microsoft's PE object file format.
1879 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
1880 * config/i386/t-beos (winnt.o): Remove Makefile frag.
1881 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
1882 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
1883 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
1884 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
1885 (REDO_SECTION_INFO_P): Remove.
1886 (ASM_EXPORT_DECL): Remove.
1887 (ASM_DECLARE_FUNCTION_NAME): Remove.
1888 (ASM_DECLARE_OBJECT_NAME): Remove.
1889 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1890 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
1891 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
1892 (STRIP_NAME_ENCODING): Remove.
1894 Remove support for obsolete version of BeOS that is no longer
1896 * configure.in (i*86-*-beospe*): Remove.
1897 * config/i386/beos-pe.h: Remove.
1899 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
1900 Mark Mitchell <mark@codesourcery.com>
1902 * Makefile.in (OBJS): Added dce.o.
1903 (ssa.o): Updated target to include ssa.h.
1905 (toplev.o): Likewise.
1906 (dce.o): Created target.
1907 * basic-block.h: Added comments.
1908 (INVALID_BLOCK): Added definition.
1909 (connect_infinite_loops_to_exit): Added declaration.
1910 Moved SSA declarations to ssa.h.
1911 * flow.c: Added inclusion of ssa.h.
1912 (struct depth_first_search_dsS, depth_first_search_ds):
1914 (compute_immediate_postdominators): Added definition.
1915 (connect_infinite_loops_to_exit): Likewise.
1916 (flow_dfs_compute_reverse_init): Likewise.
1917 (flow_dfs_compute_reverse_add_bb): Likewise.
1918 (flow_dfs_compute_reverse_execute): Likewise.
1919 (flow_dfs_compute_reverse_finish): Likewise.
1920 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
1921 (LABEL_P): Added definition.
1924 (BARRIER_P): Likewise.
1925 (JUMP_TABLE_DATA_P): Likewise.
1926 (INSN_DEAD_CODE_P): Likewise.
1927 * ssa.c: Replaced inclusions with ssa.h inclusion.
1928 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
1929 (rename_registers): Removed unnecessary variables.
1930 * ssa.h: Created by moving declarations from ssa.c and
1932 * timevar.def: Defined TV_DEAD_CODE_ELIM.
1933 * toplev.c: Added ssa.h inclusion.
1934 (dump_file_index): Added DFI_dce.
1935 (dump_file): Added "dce" entry.
1937 (f_options): Added dce entry.
1938 * invoke.texi: Document -fdce. Emphasize experimental status of
1942 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
1944 * cpperror.c (v_message): Split into _cpp_begin_message and
1945 v_message macro. All callers updated.
1946 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
1949 * cppfiles.c (cpp_syshdr_flags): New function.
1950 (read_include_file): Don't call cpp_output_tokens. Call
1952 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
1953 (cpp_reader_init): Don't initialize token_buffer. Call
1954 _cpp_init_internal_pragmas.
1955 (cpp_cleanup): Don't clear token_buffer.
1956 (cpp_start_read): Don't worry about output from -D processing.
1957 Don't call cpp_output_tokens.
1958 (cpp_finish): Don't dump macros here. Don't call
1960 * cppmacro.c (_cpp_dump_definition): Rename
1961 cpp_dump_definition. Write directly to a FILE *.
1962 (dump_funlike_macro): Delete.
1963 (dump_macro_args): New.
1965 * cpplex.c (TOKEN_LEN): Convert to inline function.
1966 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
1967 cpp_scan_line, _cpp_dump_list): Delete.
1968 (cpp_printf, cpp_output_list): New.
1969 (output_line_command): Don't worry about entering or leaving files.
1970 (cpp_scan_buffer): Just output each token as we hit it.
1971 (process_directive): Don't call cpp_output_tokens.
1972 (_cpp_glue_header_name): Don't use token_buffer.
1973 (output_token, dump_param_spelling): Write directly to a FILE *.
1975 * cpplib.c (pass_thru_directive, dump_macro_name,
1976 pragma_dispatch, do_pragma_gcc): Delete.
1977 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
1978 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
1980 (do_error, do_warning, pragma_dependency): Call
1981 _cpp_begin_message, then cpp_output_list.
1982 (cpp_register_pragma, cpp_register_pragma_space,
1983 _cpp_init_internal_pragmas): New.
1984 (do_pragma): Walk the pragmas table here.
1985 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
1986 do_pragma_dependency): Return void.
1987 (do_pragma_implementation): Moved to cppmain.c.
1989 * cpplib.h: Update prototypes.
1990 (struct cpp_reader): Remove printer, token_buffer,
1991 token_buffer_size, and limit. Add struct cb, and pragmas.
1992 (struct cpp_printer): Remove last_id and written.
1993 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
1994 CPP_ADJUST_WRITTEN): Delete.
1995 * cpphash.h: Update prototypes.
1996 (ufputs): New wrapper.
1998 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
1999 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
2000 (main): Set up callbacks. Register #pragma implementation.
2001 Dump macros from here.
2003 2000-08-01 Geoff Keating <geoffk@cygnus.com>
2005 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
2006 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
2007 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
2008 insns if they have a REG_MAYBE_DEAD note attached.
2009 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
2010 (rs6000_emit_load_toc_table): TOC loads may go dead.
2012 2000-08-01 Jim Wilson <wilson@cygnus.com>
2014 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
2015 type exists before using it. Use number of words as alignment
2017 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
2018 ia64_va_arg): Propagate ia64_function_args changes here.
2020 2000-08-01 Richard Henderson <rth@cygnus.com>
2022 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
2023 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
2025 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
2027 From Joern Rennecke:
2028 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
2029 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
2030 unless TARGET_SH3E is set.
2031 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
2033 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
2034 (ashlsi3_std): New pattern.
2035 (ashlsi3 expander): Use it for TARGET_SH3.
2036 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
2038 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2040 * loop.c (canonicalize_condition): Use destination, not source to
2041 determine SET's mode.
2043 2000-07-31 Mark Mitchell <mark@codesourcery.com>
2045 * flow.c (clear_log_links): Fix typo.
2047 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
2049 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
2050 on targets which need more than one insn for a compare/cbranch
2053 2000-07-31 Jim Wilson <wilson@cygnus.com>
2055 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
2056 when computing offset.
2058 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
2060 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
2062 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2064 * flow.c (clear_log_links): Nuke global_live_at_start and
2065 global_live_at_end data, since if the log_links stuff is invalid
2066 so is global_live_at_*.
2068 2000-07-31 Richard Henderson <rth@cygnus.com>
2070 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
2072 2000-07-31 Jakub Jelinek <jakub@redhat.com>
2074 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
2075 (_cpp_get_token): Don't macro expand a just pasted token if it
2076 was pasted at no_expand_level.
2078 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2080 * cppmacro.c (find_param, count_params, save_expansion):
2081 Permit 'defined' as a macro parameter name.
2083 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2085 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
2086 xcpp to cpp throughout.
2087 (native): Remove unnecessary dependency on cpp.
2089 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
2090 tradcpp to tradcpp0.
2091 (.i spec): Add missing output-file spec to cc1 command line.
2092 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
2094 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
2096 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
2097 (implicit_decl_warning): New function.
2098 (implicitly_declare): Use it.
2099 * c-typeck.c (build_external_ref): Use implicit_decl_warning
2100 to complain about implicit decls of builtins.
2102 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
2103 based on pedantic && flag_isoc99, if not already set.
2104 * c-tree.h: Declare mesg_implicit_function_declaration.
2105 Prototype implicit_decl_warning.
2107 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
2109 * Makefile.in (ssa.o): Updated header files in dependences.
2110 * basic-block.h: Added compute_immediate_postdominators declaration.
2111 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
2113 * flow.c (compute_immediate_dominators): Updated comment.
2114 (compute_immediate_postdominators): Added definition.
2115 * rtl.h (HARD_REGISTER_P): Added definition.
2116 * ssa.c: Include additional header files.
2117 (assert): Added definition.
2118 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
2119 include select hard registers.
2120 (ssa_rename_to_insert): Likewise.
2121 (ssa_rename_from_initialize): Likewise.
2122 (ssa_rename_from_lookup): Likewise.
2123 (original_register): Likewise.
2124 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
2125 include select hard reigsters.
2126 (ssa_rename_from_traverse): Likewise.
2127 (ssa_rename_from_free): Likewise.
2128 (ssa_rename_from_print): Likewise.
2129 (ssa_rename_from_print_1): Likewise.
2130 (ssa_rename_from_hash_function): Likewise.
2131 (ssa_rename_from_equal): Likewise.
2132 (ssa_rename_from_delete): Likewise.
2133 (simplify_to_immediate_dominators): Removed in favor of
2134 flow.c:compute_immediate_dominators.
2135 (find_evaluations_1): Modified to work with hard registers.
2136 (insert_phi_node): Likewise.
2137 (insert_phi_nodes): Likewise.
2138 (struct rename_set_data): Updated prev_reg comment.
2139 (create_delayed_rename): Modified to work with hard registers.
2140 (RENAME_NO_RTX): Updated comment.
2141 (apply_delayed_renames): Modified to work with hard registers.
2142 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
2143 (rename_block): Updated to use revised ssa_rename_to interface.
2144 (rename_registers): Updated to use revised ssa_rename_to and
2145 ssa_rename_from interface.
2146 (convert_to_ssa): Revised to use compute_immediate_dominators and
2147 deal with hard registers.
2148 (make_regs_equivalent_over_bad_edges): Modified to work with hard
2149 registers. Added check for illegal unification of hard register.
2150 (make_equivalent_phi_alternatives_equivalent): Modified to work
2151 with hard registers.
2152 (compute_conservative_reg_partition): Likewise.
2153 (coalesce_if_unconflicting): Modified to work with hard registers
2154 and check for conflicting hard registers.
2155 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
2157 (rename_equivalent_regs_in_insn): Modified to work with hard
2159 (record_canonical_element_1): Added definition.
2160 (check_hard_regs_in_partition): Added definition.
2161 (convert_from_ssa): Added data structure deallocation and check
2162 for illegal hard register unification.
2163 (conflict_hard_regs_p): Added definition.
2164 * toplev.c (rest_of_compilation): Added comment.
2166 2000-07-31 Anthony Green <green@redhat.com>
2168 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
2170 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
2172 * builtins.c (expand_builtin_apply): Don't defer pop during
2175 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2177 * calls.c (combine_pending_stack_adjustment_and_call): Only use
2178 preferred_unit_stack_boundary when it is > 1.
2180 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
2182 * c-common.c (init_function_format_info): Add C99 format functions
2185 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
2186 void' or 'register void' as being the special case of 'void' alone
2187 in a parameter list.
2189 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
2190 discarding qualifiers into a plain warning.
2192 2000-07-31 Kazu Hirata <kazu@hxi.com>
2194 * combine.c: Fix formatting.
2196 * h8300.md: Fix formatting.
2198 * local-alloc.c: Fix formatting.
2200 * h8300.c (get_shift_alg): Remove the variable alg.
2201 (emit_a_shift): Rearrange code to improve readability.
2203 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
2205 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
2206 HImode on all architectures and a combination of HImode and SImode
2207 on H8/300H and H8/S.
2209 * h8300.c (split_adds_subs): Rearrange code for conciseness.
2211 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
2213 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
2216 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
2218 * recog.c (extract_insn): Set operand_mode according to
2219 operand if match_operand is VOIDmode.
2221 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
2223 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
2225 2000-07-31 Geoff Keating <geoffk@cygnus.com>
2227 * c-parse.in (extdefs): Call ggc_collect between external
2230 2000-07-30 Michael Hayes <mhayes@cygnus.com>
2231 Richard Henderson <rth@cygnus.com>
2233 * Makefile.in (OBJS): Add doloop.o.
2234 * doloop.c: New file.
2236 * final.c (insn_current_reference_address): Return 0 before final.
2237 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
2238 * jump.c (any_uncondjump_p): Likewise.
2239 * loop.c (indirect_jump_in_function): Make static.
2240 (strength_reduce): Call doloop_optimize.
2241 (insert_bct, instrument_loop_bct): Remove.
2242 * loop.h (doloop_optimize): Prototype.
2243 * recog.c (split_all_insns): Split all INSN_P.
2244 * toplev.c (flag_branch_on_count_reg): Default on.
2246 * config/c4x/c4x.c (c4x_optimization_options): Don't set
2247 flag_branch_on_count_reg.
2248 * config/i386/i386.c (override_options): Likewise.
2249 * config/rs6000/rs6000.c (optimization_options): Likewise.
2251 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
2253 (dbra_ge): Remove, as well as all it's splitters.
2255 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
2258 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
2259 (ia64_register_move_cost): Declare.
2260 * config/ia64/ia64.c (ar_lc_reg_operand): New.
2261 (struct ia64_frame_info): Add ar_size.
2262 (ia64_compute_frame_size): Set it.
2263 (save_restore_insns): Save and restore ar.lc.
2264 (ia64_register_move_cost): New, moved from header file. Handle
2265 application registers.
2266 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
2267 (emit_insn_group_barriers): Special case doloop_end_internal.
2268 (ia64_epilogue_uses): Mark ar.lc live at end.
2269 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
2270 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
2271 (FIRST_PSEUDO_REGISTER): Make room.
2272 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
2273 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
2274 (REG_ALLOC_ORDER): Update.
2275 (HARD_REGNO_MODE_OK): Update.
2276 (REGISTER_NAMES): Update.
2277 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
2278 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
2279 (REGNO_REG_CLASS): Update.
2280 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
2281 (REGISTER_MOVE_COST): Move out of line.
2282 (PREDICATE_CODES): Update.
2283 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
2284 (addsi3_plus1_alt, adddi3_plus1_alt): New.
2285 (shladd_elim splitter): Allow constants in the predicate.
2286 (doloop_end, doloop_end_internal): New.
2288 2000-07-30 Richard Henderson <rth@cygnus.com>
2290 * genattrtab.c (struct insn_def): Add lineno member.
2291 (struct insn_ent): Likewise.
2292 (struct attr_desc): Likewise.
2293 (struct delay_desc): Likewise.
2294 (struct function_unit_op): Likewise.
2295 (struct function_unit): Likewise.
2296 (check_attr_value): Use message_with_line.
2297 (check_defs): Likewise.
2298 (expand_units): Likewise.
2299 (check_attr_test): Take a lineno argument.
2300 (gen_attr): Likewise.
2301 (gen_insn): Likewise.
2302 (gen_delay): Likewise.
2303 (gen_unit): Likewise.
2304 (main): Give it to them.
2305 (convert_set_attr_alternative): Take an insn_def argument
2306 instead of num_alt and insn_index.
2307 (convert_set_attr): Likewise.
2308 (write_test_expr): Protect INSN_ADDRESSES load
2309 with INSN_ADDRESSES_SET_P.
2311 2000-07-30 Richard Henderson <rth@cygnus.com>
2313 * flow.c (init_propagate_block_info): Use pc_set.
2315 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2317 * i386.md (*lea_general_[123]) New insns and splits.
2318 (addsi3 to lea splitter): Handle other modes too.
2319 (shlsi3 to lea splitter): Likewise.
2320 (addhi_1_lea, shlhi_1_lea): New patterns.
2321 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
2323 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2325 * recog.c (general_operand, nonimmediate_operand): Accept
2326 any mode for VOIDmode CONSTANT_P operands.
2328 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2330 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
2331 instead of replace_rtx.
2332 * recog.c (validate_replace_rtx_subexp): New function.
2333 * recog.h (validate_replace_rtx_subexp): Declare.
2335 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2337 * combine.c (simplify_set, make_extraction, make_compound_operation
2338 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
2339 as force_to_mode argument.
2341 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2343 * combine.c (if_then_else_cond): Be sure that mode fits in
2346 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2348 * combine.c (record_promoted_value): Allow bitsize of mode
2349 to be equivalent to HOST_BITS_PER_WISE_INT.
2351 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2353 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
2354 Do not call gen_mode_alignment when mode is BLKmode.
2356 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
2358 * loop.c (express_from_1): Fix call of simplify_gen_binary.
2360 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2362 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
2363 VOIDmode implies both operands to be VOIDmode.
2364 (simplify_ternary_operation): Compute properly the mode of comparison.
2365 * combine.c (combine_simplify_rtx): Likewise.
2367 2000-07-25 Michael Hayes <mph@paradise.net.nz>
2369 * basic-block.h (struct loops): New field rc_order.
2370 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
2371 (flow_loops_free): Free rc_order.
2372 (flow_depth_first_order_compute): New parameter rc_order.
2373 (flow_loops_find): Allocate rc_order and swap usage with
2376 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2377 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2379 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
2380 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
2381 (nodb_call, return_from_epilogue): Likewise.
2382 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
2383 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
2384 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
2385 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2386 (c4x_valid_type_attribute_p): Likewise.
2387 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2388 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
2390 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2392 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
2393 and loadhi_big_constant if applicable.
2394 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
2395 and add new splitter.s
2397 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2399 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
2401 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2403 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
2405 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2407 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
2409 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2411 * config/c4x/libgcc.S (divqf3): Improve accuracy.
2413 2000-07-27 Mark Mitchell <mark@codesourcery.com>
2415 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
2416 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
2417 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
2418 (get_prev_bb_note): Likewise.
2419 (remove_scope_notes): Likewise.
2420 * flow.c (commit_one_edge_insertion): Likewise.
2421 (merge_blocks_nomove): Likewise.
2422 (verify_flow_info): Likewise.
2423 * gcse.c (insert_insn_end_bb): Likewise.
2424 * reg-stack.c (emit_swap_insn): Likewise.
2425 * ssa.c (first_insn_after_basic_block_note): New function.
2426 (insert_phi_node): Use it.
2427 (rename_block): Likewise.
2428 (eliminate_phi): Likewise.
2429 (make_regs_equivalent_over_bad_edges): Likewise.
2430 (make_equivalent_phi_alternatives_equivalent): Likewise.
2431 (for_each_successor_phi): Likewise.
2432 (convert_from_ssa): Modify phi-node deletion algorithm.
2434 2000-07-29 Andreas Jaeger <aj@suse.de>
2436 * configure.in (mips*-*-linux*): Use mips*el to check for little
2437 endian MIPS, add tmake_file.
2439 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
2440 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
2441 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
2443 2000-07-28 Richard Henderson <rth@cygnus.com>
2445 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
2446 Sign extend mode size before negating.
2448 2000-07-28 Richard Henderson <rth@cygnus.com>
2450 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
2452 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
2454 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
2455 (cse_insn): Likewise.
2456 (addr_affects_sp_p): Likewise.
2457 * expr.c (move_by_pieces): Likewise.
2458 (clear_by_pieces): Likewise.
2459 * gcse.c (oprs_unchanged_p): Likewise.
2460 * haifa-sched.c (sched_analyze_2): Likewise.
2461 * recog.c (offsettable_address_p): Likewise.
2462 * regclass.c (record_address_regs): Likewise.
2463 * reload.c (find_reusable_reload): Likewise.
2464 (push_reload): Likewise.
2465 (operands_match_p): Likewise.
2466 (decompose): Likewise.
2467 (find_reloads_address_1): Likewise.
2468 (find_inc_amount): Likewise.
2469 * reload1.c (elimination_effects): Likewise.
2470 * resource.c (mark_set_resources): Likewise.
2471 * flow.c (attempt_auto_inc): New function; mostly broken out
2473 (find_auto_inc): Split into two functions and enhanced to
2474 generate POST_MODIFY.
2475 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
2476 * rtl.h (count_all_occurrences): Declare.
2477 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
2479 * rtlanal.c (count_all_occurrences): New function.
2480 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
2481 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
2483 * config/ia64/ia64-protos.h (destination_operand): Declare.
2484 * config/ia64/ia64.c (destination_operand): New function.
2485 (ia64_print_operand): Handle POST_MODIFY.
2486 (rtx_needs_barrier): Likewise.
2487 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
2488 (HAVE_POST_MODIFY_REG): Define to 1.
2489 (MAX_REGS_PER_ADDRESS): Change to 2.
2490 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
2491 (LEGITIMATE_ADDRESS_REG): New helper macro.
2492 (LEGITIMATE_ADDRESS_DISP): Likewise.
2493 (PREDICATE_CODES): Add entry for destination_operand.
2494 * config/ia64/ia64.md (all mov patterns): Use destination_operand
2495 predicate for operand 0.
2497 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2499 * dwarf2out.c: Indent #error directive.
2501 * gbl-ctors.h: Fix typo in comment.
2502 (__do_global_ctors): Prototype.
2504 * gcse.c (record_one_set, pre_delete): Remove unused variables.
2506 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
2507 (print_operand): Initialize variable `t'.
2509 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
2511 * config/arm/arm.md ("call_value"): removed constraints.
2512 Constraints are ignored in expanders.
2513 (*call_value_reg): split =rf into various constraints.
2514 (*call_value_mem): same
2515 (*call_value_symbol): same
2516 (*sibcall_value_insn): same
2518 2000-07-28 Philipp Thomas <pthomas@suse.de>
2520 * install.texi (--enable-nls): Change the description of the NLS
2521 related configure options to match the current state.
2522 (--with-included-gettext): Likewise.
2523 (--enable-maintainer-mode): New description added.
2524 * extend.texi (-fstrict-prototype): Add missing '.'.
2526 2000-07-27 Jim Wilson <wilson@cygnus.com>
2528 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
2529 DECL_INITIAL (decl) == NULL_TREE.
2531 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
2533 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
2534 on insn-attr.h with it.
2535 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
2536 * insn-addr.h: New header.
2537 (insn_addresses_): Renamed from insn_addresses.
2538 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
2539 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
2540 INSN_ADDRESSES_NEW): New macros.
2541 * genattrtab.c (write_test_expr): Use new macros.
2542 * final.c (insn_addresses, init_insn_lengths): Likewise.
2543 (align_fuzz, shorten_branches): Likewise.
2544 (final): Likewise. Do not reject new insns if their addresses
2545 have been added to INSN_ADDRESSES.
2546 * config/arm/arm.c, config/avr/avr.c: Use new macros.
2547 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
2548 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
2549 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
2550 * config/sh/sh.c: Likewise.
2551 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
2553 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
2555 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
2557 * gcc.c (struct prefix_list): Add member priority.
2558 (enum path_prefix_priority): Declare.
2559 (add_prefix): Replace ``first'' with ``priority''. Append new
2560 entry but keep list in priority order.
2561 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
2562 PREFIX_PRIORITY_LAST to add_prefix.
2563 (process_command): Move include kludge - foo/stageN - to before
2566 2000-07-27 Jason Merrill <jason@redhat.com>
2568 * dwarf2out.c (gen_typedef_die): Abort if we get identical
2569 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
2571 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
2573 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
2574 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
2576 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
2578 * c-decl.c (finish_function): Don't treat 'main' specially unless
2579 flag_hosted. In C99 mode, return 0 from 'main' unless
2580 DEFAULT_MAIN_RETURN is otherwise defined.
2582 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
2583 parameters defaulting to int in an old-style function definition.
2585 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2587 * c-parse.in (string): For -Wtraditional, warn about string
2588 concatenation only once per line.
2590 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
2592 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
2593 for HI-UX/WE2 systems.
2595 2000-07-24 Bruce Korb <bkorb@gnu.org>
2597 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
2598 defining the __xxx_TYPE__ macros.
2599 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
2600 * fixincl/fixlib.h: don't need to include "tm.h" anymore
2601 * fixincl/inclhack.def(type_map): now obsolete
2603 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
2605 * cpp.texi: Append a trailing full-stop to xrefs where needed.
2607 2000-07-26 Dave Pitts <dpitts@cozx.com>
2609 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
2611 (mvs_hash_alias): New function.
2612 (mvs_add_alias): Change argument spacing.
2613 (mvs_need_alias): Change aliasing criteria. Added documentation.
2614 (mvs_get_alias): Change to use hashed name. The hashed name prevents
2615 CSECT name collisions.
2616 (mvs_check_alias): Likewise.
2617 (handle_pragma): Change documentation.
2618 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
2619 mode from SImode to DImode.
2620 (iorhi3): Changed LTORG size for insn.
2622 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2624 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2625 mem if the address is a mode_dependent_address_p.
2627 2000-07-26 Kazu Hirata <kazu@hxi.com>
2629 * h8300.c (print_operand): Print ":8" when the 'R' operand is
2630 suitable for 8-bit absolute.
2631 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
2632 (OK_FOR_U): Add a case for the 8-bit constant address on the
2635 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
2637 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
2638 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
2639 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
2640 lack of implemented alignment.
2642 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
2644 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
2645 cross-compiling between 64-bit and 32-bit machines.
2647 2000-07-27 Richard Henderson <rth@cygnus.com>
2649 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
2650 (movhicc_astep, movhi_internal_astep): New.
2651 (movsicc_astep, movsi_internal_astep): New.
2652 (movdicc_astep, movdi_internal_astep): New.
2653 (movsfcc_astep, movsf_internal_astep): New.
2654 (movdfcc_astep, movdf_internal_astep): New.
2655 (movxfcc_astep, movxf_internal_astep): New.
2656 (cmovdi_internal_astep, cmovsi_internal_astep): New.
2657 Unify the cmov[ds]i splitters.
2659 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
2661 * real.c (asctoeg): Rename `error' label to unexpected_char_error
2663 2000-07-26 Nick Clifton <nickc@cygnus.com>
2665 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
2666 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
2668 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
2669 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
2671 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
2673 * c-decl.c (finish_enum): Convert enumerations that fit in an
2675 (build_enumerator): In pedantic mode, cast to `int' those that
2678 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
2680 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
2682 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2684 * sh.md (cmpgtdi_t): Must be split.
2685 (cmpgtdi_t+1): New splitter.
2687 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2689 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
2690 warnings for indented directives even if we are skipping.
2692 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
2694 * invoke.texi (strict-prototypes): Remove.
2695 * extend.texi (Deprecated Features): Add strict-prototypes.
2696 (Backwards Compatibility): New node.
2698 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2700 * config/i386/i386.md (andsi_1+1): Allow HImode.
2701 (andsi_1+2): Require q_regs_operand.
2703 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2705 * config/i386/i386.md (call_pop): Check operands[0],
2706 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2708 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2709 (call_value): Likewise.
2711 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2713 * toplev.c (pipe_closed): Delete.
2714 (crash_signal): New. Generate ICE for a fatal signal.
2715 (float_signal): Call crash_signal outside a float-handler
2717 (main): Install crash_signal as handler for core-dumping signals.
2719 2000-07-25 David Edelsohn <edelsohn@gnu.org>
2721 * rs6000.c (print_operand, case 'T'): New case.
2723 * rs6000.md (call_indirect_aix32): Convert to expander of
2724 scheduled instructions.
2725 (call_indirect_aix64): Likewise.
2726 (call_value_indirect_aix{32,64}): Likewise.
2727 (call, call_value): Invoke expanders for AIX. Fall through to
2729 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
2730 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
2731 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
2732 only "g" constraint.
2733 (call_nonlocal_aix64): Likewise.
2734 (call_value_nonlocal_aix{32,64}): Likewise.
2735 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
2737 (call_value_nonlocal_sysv): New pattern.
2738 (indirect_jump{si,di}): Use new 'T' modifier.
2739 (tablejump{si,di} matchers): Likewise.
2740 (return_internal_{si,di}): Likewise.
2741 (return_eh_{si,di}): Likewise.
2743 2000-07-24 Richard Henderson <rth@cygnus.com>
2745 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
2746 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
2747 * config/ia64/ia64.md (movdi_internal): Use it.
2749 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
2751 * cppexp.c: Warn about unary + if -Wtraditional.
2752 * cpplex.c (lex_line): Always set BOL on the first token of a line.
2754 2000-07-24 Michael Meissner <meissner@redhat.com>
2756 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
2759 2000-07-24 Nick Clifton <nickc@cygnus.com>
2761 * config/arm/arm.c (emit_multi_reg_push): Generate a
2762 REG_FRAME_RELEATED_NOTE that is compatable with the code in
2763 dwarf2out_debug_frame_expr.
2765 2000-07-24 Jason Merrill <jason@redhat.com>
2767 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
2768 UNALIGNED_INT_ASM_OP.
2769 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
2770 a location expression.
2771 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
2772 assume indirect access if we're saving the CFA address exactly.
2774 * Makefile.in (bootstrap): Move -BstageN/ to the end.
2776 2000-07-24 Jakub Jelinek <jakub@redhat.com>
2778 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
2781 2000-07-24 Michael Meissner <meissner@redhat.com>
2783 * invoke.texi (D30V Options): Add d30v options.
2785 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
2787 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
2788 needed by our gcse pass anymore.
2789 (free_pre_mem): Corresponding changes.
2790 (compute_pre_data): Do not call compute_transpout anymore.
2792 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
2793 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
2796 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
2797 (compute_pre_data): Do it here instead.
2799 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
2801 (pre_delete): Corresponding changes.
2803 2000-07-23 Mark Mitchell <mark@codesourcery.com>
2805 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
2806 to figure out whether or not a variable has already been emitted.
2808 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
2810 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
2811 instead of gen_call.
2813 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
2815 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
2817 2000-07-23 Kazu Hirata <kazu@hxi.com>
2819 * h8300.c: Fix formatting.
2821 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
2823 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
2824 for `long' switch expression into a plain warning.
2826 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
2827 (yylex): Don't pedwarn for "inline" in C99 mode.
2829 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
2831 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
2832 ggc_alloc): Likewise.
2833 * bb-reorder.c (dump_scope_forest_1): Likewise.
2835 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
2837 * reload.c (find_reloads_toplev): Add new parameter
2839 (find_reloads): Add new parameter to find_reloads_toplev calls.
2841 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
2843 * collect2.c (main): Typo fixed.
2844 * diagnostic.c: Typo fixed.
2845 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
2846 * eh-common.h: Typo fixed.
2847 * emit-rtl.c (start_sequence): Typo fixed.
2848 * flow.c (find_label_refs): Typo fixed.
2849 (calculate_global_regs_live): Typo fixed.
2850 (mark_regno_cond_dead): Typo fixed.
2851 (create_edge_list): Typos fixed.
2852 (verify_edge_list): Typo fixed.
2853 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
2854 * loop.c (strength_reduce): Typo in function name fixed.
2855 * rtl.h: Added comments. Typo in function name fixed.
2856 * rtlanal.c: Typo in function name fixed.
2857 (insn_dependant_p): Rename to ...
2858 (insn_dependent_p): ... this.
2859 (computed_jumo_p): Typo fixed.
2861 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2863 * system.h (__FUNCTION__): Wrap definition in #ifndef.
2865 2000-07-21 David Edelsohn <edelsohn@gnu.org>
2867 * rs6000.h (SIZE_TYPE): Define.
2869 2000-07-21 Mark Mitchell <mark@codesourcery.com>
2871 * ssa.c (rename_insn_1): Don't rename registers that are
2874 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
2876 * diagnostic.c (trim_filename, fancy_abort): Moved here from
2878 (fatal_function, set_fatal_function): Removed.
2879 (fatal): Don't prepare for or call the fatal_function.
2880 (diagnostic_lock, error_recursion): New.
2881 (diagnostic_for_decl, report_diagnostic): Guard against
2882 re-entering the error reporting routines.
2883 (fancy_abort): Assume function is not NULL.
2885 * errors.c (fancy_abort): New. Assume function is not NULL.
2886 * tradcpp.c (fancy_abort): Assume function is not NULL.
2888 * system.h: Provide default definition of __FUNCTION__.
2889 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
2890 Always use __FUNCTION__ in definition of abort.
2892 * varray.h: Likewise.
2893 * toplev.h: Likewise. Don't prototype set_fatal_function.
2895 2000-07-20 Geoff Keating <geoffk@cygnus.com>
2897 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
2899 * glimits.h: Don't do #if defined for ARCH_PPC.
2901 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
2902 constants of size no larger than a pointer should go in the TOC.
2903 Add 'MODE' parameter.
2904 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
2905 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
2906 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
2907 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
2908 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
2909 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
2910 (rs6000_legitimize_address): Likewise.
2911 (rs6000_emit_move): Likewise.
2912 (rs6000_select_rtx_section): Likewise.
2913 (output_toc): Deal properly with outputting small constants like
2914 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
2915 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
2916 MODE parameter. Put small constants in the TOC.
2918 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
2920 (rs6000_emit_move): When reload calls us with an illegitimate
2921 address, exit early. Move the change_address calls to one place
2922 at the end of the routine. Merge the SImode and DImode expanders.
2923 When called by reload to put an integer into a FP register, force
2926 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
2928 (rs6000_hash_constant): Hash mode too.
2929 (toc_hash_function): Allow for key_mode.
2930 (toc_hash_eq): Structures are different if key_mode differs.
2931 (output_toc): Add 'mode' parameter. Save key_mode.
2932 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
2933 Pass 'mode' parameter.
2934 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
2936 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
2937 for vtable references.
2939 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
2940 choice, don't put integer values in FP regs.
2942 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
2944 * flow.c (verify_flow_info): Revamp code to verify that the
2945 head and end of each basic block are in the insn chain.
2947 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
2949 * gcse.c (record_one_set): Prepend instead of append onto
2950 reg_set_table, making it O(n) instead O(n^2).
2951 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
2952 Use a queue instead of a stack as worklist.
2954 2000-07-20 Kazu Hirata <kazu@hxi.com>
2956 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
2957 * h8300.h (OK_FOR_T): New.
2958 (EXTRA_CONSTRAINT): Support OK_FOR_T.
2959 * h8300.md: Use inc/dec.[wl] for increment/decrement
2960 by 1 and 2 in HI and SI modes.
2962 2000-07-20 Jim Wilson <wilson@cygnus.com>
2964 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
2965 larger than 14 bits.
2967 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
2969 * cppmacro.c (CAN_PASTE_AFTER): New macro.
2970 (count_params): Don't set GNU_REST_ARGS on anything.
2971 (save_expansion): Set PASTE_LEFT only on tokens for which
2972 CAN_PASTE_AFTER is true, or which are named operators.
2974 * cpplex.c (parse_args): Distinguish between a rest argument
2975 given one empty argument, and a rest argument given zero arguments.
2976 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
2977 deletion of previous token based on that.
2978 (get_raw_token): Flatten some control structure.
2980 * cpplib.h (CPP_LAST_EQ): Correct.
2981 (VOID_REST): New token flag.
2982 (GNU_REST_ARGS): Delete.
2984 * tradcpp.c (main): Don't munge -D options.
2985 (make_definition): Bring -D handling in line with cpplib.
2986 (do_define): Strip all leading whitespace from macro definitions.
2988 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
2990 * Makefile.in (tradcpp): Depend on intl.o and version.o.
2992 2000-07-20 Bruce Korb <bkorb@gnu.org>
2994 * fixincl/check.tpl: strip the platform specific types before testing
2995 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
2996 * fixincl/fixincl.tpl: use platform specific types
2997 * fixincl/fixlib.h: include the platform specific types
2998 * fixincl/inclhack.def(gnu_types): don't supply the types
2999 * fixincl/fixincl.x: regen
3001 2000-07-19 Jim Wilson <wilson@cygnus.com>
3003 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
3006 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3008 * tradcpp.c (rescan): Do not recognize directives when the #
3011 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
3013 Implement C++ named operators.
3015 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
3016 of operators allowed in #if and having an _EQ variant. Add
3017 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
3018 (cpp_token flags): Add NAMED_OP.
3019 (enum node_type): Add T_OPERATOR.
3020 (struct cpp_hashnode): Add code slot to value union.
3021 * cpphash.h (spec_nodes): Remove n_defined.
3023 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
3024 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
3025 (is_macro_disabled): Tweak error messages.
3027 * cpplib.c (get_define_node): Disallow all named operators as
3028 macro names. Tweak error messages.
3029 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
3031 * cppinit.c (builtin_array): Add entries for the named operators.
3032 * cppexp.c (lex): Check for CPP_DEFINED token.
3033 (priority table): Add entries for CPP_MIN and CPP_MAX.
3034 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
3036 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
3038 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
3039 larger than the array of cuids.
3040 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
3043 2000-07-19 Bruce Korb <bkorb@gnu.org>
3045 * fixinc/fixincl.c: Convert to using a table of environment variables
3046 and activate the auto-edit marker on the fixed output files.
3047 * fixinc/fixlib.h: Define the environment table
3048 * fixinc/fixincl.sh: export the ${INPUT} dir
3049 * fixinc/check.tpl: likewise
3051 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3053 * gcc.c (.h spec): Fix typo.
3055 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
3057 * Makefile.in: Fix tradcif.c path.
3059 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
3061 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
3064 * cpphash.h (TOKEN_NAME): New macro.
3065 (_cpp_spell_operator): Deleted.
3066 (token_spellings): Now _cpp_token_spellings.
3068 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
3069 * cpplex.c: Use OP and TK macros when expanding the
3070 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
3071 store the stringification of the enumeration name (CPP_CHAR,
3072 etc.) in the name slot of token_spellings.
3073 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
3074 token_spellings directly.
3075 * cpplib.c: Use TOKEN_SPELL.
3077 * cpplex.c (_cpp_push_token): If the token being pushed back
3078 is the previous token in this context, just subtract one from
3080 * cppmacro.c (save_expansion): Clear aux field when storing a
3083 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3085 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
3086 buffer, provided it is not NULL.
3088 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
3090 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
3091 case of invalid volatile re-declaration.
3093 2000-07-18 Jakub Jelinek <jakub@redhat.com>
3095 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
3096 (expand_call): Adjust caller.
3098 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
3100 * diagnostic.h (report_diagnostic): Change prototype.
3102 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
3103 diagnostic_for_decl): Change prototype.
3104 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
3105 error, warning, error_with_file_and_line,
3106 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
3107 Adjust call to report_diagnostic, diagnostic_for_decl.
3108 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
3109 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
3111 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
3112 varaible argument list.
3114 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3116 * cpphash.c: Don't include hashtab.h. Most macro-handling code
3117 moved to cppmacro.c.
3118 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
3119 dump_hash_helper): Delete.
3120 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
3121 cpp_forall_identifiers): New. Implement specialized version of
3122 Vlad's expandable hash table.
3123 (cpp_lookup): Use new functions.
3124 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
3126 * cppmacro.c: New file.
3127 * cppinit.c (dump_macros_helper): New.
3128 (cpp_finish): Iterate over the identifier table directly.
3129 * cpplex.c (parse_name): Calculate the hash of the identifier
3130 while we scan it. Use _cpp_lookup_with_hash when we can.
3132 * cpphash.h: Update prototypes.
3133 (xcnewvec, HASHSTEP): New helper macros.
3134 * cpplib.h: Update prototypes.
3135 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
3136 (cppmacro.o): New rule.
3137 (cpphash.o): Update deps.
3139 * cppmain.c: Do not set pfile->printer if no_output is on.
3141 2000-07-15 Neil Booth <neilb@earthling.net>
3143 * cpplib.c: Change all directive-handler functions to return
3145 * cpphash.h: Update typedefs.
3147 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3149 * configure: Regenerate.
3151 * extend.texi (Extended Asm): Mention that a memory clobber
3152 does not count as a side-effect.
3154 * unroll.c (copy_loop_body): Fix one instance of using host
3155 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
3158 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
3160 2000-07-17 Richard Henderson <rth@cygnus.com>
3162 * config/ia64/ia64.md (movdi): Split out load address code.
3163 New post-reload splitter for symbolic operands.
3164 (movdi_internal): Abort if we didn't split symbolic operands
3165 when we should have.
3166 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
3167 (ia64_reorg): Split insns when not optimizing.
3168 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
3170 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
3172 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
3173 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
3175 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3177 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
3179 2000-07-17 Jason Merrill <jason@redhat.com>
3181 * Makefile.in (clean): Remove libgcc directory.
3183 * configure.in (-Wno-long-long check): Use higher-level macros.
3185 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
3187 * simplify-rtx.c (simplify_binary_operation): Recognize
3188 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
3189 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
3190 a CONST_INT, it will always be zero.
3192 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
3194 * loop.c (check_dbra_loop) : Return if more than one condition is
3195 present to control the loop.
3197 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
3199 * mips.c (mips_expand_prologue): Don't calculate the last argument
3200 register unless we need it. When we are calculating this, make
3201 sure FUNCTION_ARG is giving us a REG.
3203 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3205 * flow.c (libcall_dead_p): Use single_set to verify the insn
3206 has only one set and get for analysis.
3207 (propagate_one_insn): Don't pass the PATTERN of the insn.
3209 2000-07-17 Mark Klein <mklein@dis.com>
3211 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
3213 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3215 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
3216 * configure.in (TARGET_GETGROUPS_T): Evaluate.
3217 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
3218 of second argument of getgroups.
3219 * configure, config.in: Rebuilt.
3221 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
3223 * simplify-rtx.c (simplify_relational_operation): Two signed
3224 values with equal high words are less/greater than each other if
3225 their low words are less/greater when considered as unsigned.
3227 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
3229 * configure.in (vax-*-openbsd): Change to new style configuration,
3230 add collect2/float_format information.
3231 * configure: Rebuilt.
3232 * config/vax/openbsd1.h: New.
3233 * config/vax/openbsd.h: New.
3234 * config/vax/t-openbsd: New.
3236 2000-07-17 Chip Salzenberg <chip@valinux.com>
3238 * c-common.c (shorten_compare): Quiet warnings about unsigned
3239 comparisons with zero when they occur in a system header.
3241 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
3243 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
3244 update to describe current practice.
3246 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
3248 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
3249 references to C9X. Change references to -fstd and -flang-isoc9x
3252 * c-common.c (scan_char_table): Allow "z" length modifiers on
3254 (check_format_info): Use TYPE_DOMAIN on the type matched against
3255 for "z" formats, to retrieve the language size_t rather than the
3258 * c-common.c (check_format_info): Do not make a pedantic objection
3259 to the 'L' length modifier if used with a floating point type
3262 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
3263 constants in C99 mode.
3265 2000-07-17 Kazu Hirata <kazu@hxi.com>
3267 * h8300.md: Fix the format of mac.
3268 (movsi_h8300hs): Output a tab after stmac instead of a space.
3270 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
3271 profitable adds/subs sequences.
3273 * fold-const.c: Fix comment typos.
3275 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
3277 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
3279 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3281 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
3283 2000-07-16 Neil Booth <NeilB@earthling.net>
3285 * cpplex.c: Update comments.
3286 * README.Portability: Small update.
3288 2000-07-16 Neil Booth <NeilB@earthling.net>
3290 * README.Portability: Small update.
3292 2000-07-15 Richard Henderson <rth@cygnus.com>
3294 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
3295 * config/ia64/ia64.c (ia64_move_ok): New function.
3296 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
3297 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
3299 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
3301 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
3302 immediately following a paste operator.
3303 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
3304 (cpp_reader_init): Call it, if HOST_EBCDIC.
3305 (cpp_handle_options): Do not sort option list here.
3306 (handle_option): Rename to cpp_handle_option and export.
3307 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
3308 _cpp_get_token directly.
3309 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
3310 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
3311 * cpplib.h: Prototype cpp_handle_option. Update prototype of
3314 2000-07-15 Richard Henderson <rth@cygnus.com>
3316 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
3317 cast around an expression. Tidy other unsigned tests.
3319 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
3321 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
3322 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
3323 (v_message_with_decl): Rename to ...
3324 (format_with_decl): ... this. Tweak
3325 (diagnostic_for_decl): New function.
3326 (fatal_io_error): Use verbatim in lieu of notice.
3327 (announce_function): Use verbatim.
3328 (default_print_error_function): Likewise.
3329 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
3332 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3334 * mips.c (function_arg_pass_by_reference): Don't do automatic
3335 aggregate initialization.
3336 (machine_dependent_reorg): Initialize variable `mode'.
3338 * mips.md (absdi2): Change variable `regno1' to unsigned int.
3339 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
3340 conflicts with sys/param.h macro of the same name.
3341 (reload_outdi): Likewise.
3343 2000-07-15 Michael Meissner <meissner@redhat.com>
3345 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
3346 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
3347 create a new node instead.
3349 2000-07-15 Neil Booth <NeilB@earthling.net>
3351 * README.Portability: Correct example about calling a function
3352 through a pointer to function. Format wide paragraphs.
3354 2000-07-15 Michael Meissner <meissner@redhat.com>
3356 * README.Portability: Update integer suffixes and function
3359 2000-07-15 Neil Booth <NeilB@earthling.net>
3361 * README.Portability: Small update.
3363 2000-07-15 Neil Booth <NeilB@earthling.net>
3365 * README.Portability: New file.
3367 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
3369 * INSTALL: Give special instructions for building GCC on Irix 6.
3370 * config/mips/x-iris6 (CC): Don't set it.
3373 2000-07-14 Jason Merrill <jason@redhat.com>
3375 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
3376 register in the stack and later in another register, use the new
3379 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3381 * config/mips/mips.md: (absdi2): Handle sign_extend for
3384 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
3386 * cpplib.c (do_pragma_dependency): Tidy warning messages.
3388 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
3390 * .cvsignore: Correct typo.
3392 2000-07-13 Mark Mitchell <mark@codesourcery.com>
3394 * .cvsignore: Add generated YACC files.
3395 * objc/.cvsignore: New file.
3397 2000-07-14 Neil Booth <NeilB@earthling.net>
3399 * cpplex.c (adjust_column): New funcion.
3400 (skip_whitespace): Use it.
3401 (skip_block_comment): Use it, and warn about /*/* with
3404 2000-07-14 Neil Booth <NeilB@earthling.net>
3406 * cpphash.c (struct macro_info): Add new members.
3407 (_cpp_free_definition): Delete the macro directly.
3408 (count_params): Return void, with first token of
3409 expansion in struct macro_info on success.
3410 (parse_define): Return int. Hoist syntax checking from
3411 save_macro_expansion. Leave call to save_expansion to
3412 _cpp_create_definition.
3413 (alloc_macro): Needs just 2 arguments.
3414 (free_macro): Delete.
3415 (save_expansion): Don't perform syntax check.
3416 (_cpp_create_definition): Call save_expansion.
3418 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3420 * genrecog.c (write_header): Split long string.
3422 * cpphash.c (macro_info): Don't use the `signed' keyword.
3424 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
3426 2000-07-13 Jakub Jelinek <jakub@redhat.com>
3428 * calls.c (stored_args_map): New variable.
3429 (check_sibcall_argument_overlap_1): New.
3430 (check_sibcall_argument_overlap): New.
3431 (expand_call): Initialize stored_args_map.
3432 Call check_sibcall_argument_overlap.
3434 2000-07-13 Bruce Korb <bkorb@gnu.org>
3436 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
3437 (emit_gnu_type): utility procedure for gnu_type_fix
3438 (gnu_type_fix): implement various pre-processor guards around
3439 standard types so these types can be defined over and over
3440 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
3441 types alluded to above will have GNU-compliant base types
3442 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
3443 * fixinc/inclhack.def: add test_text entries and utilize the new
3444 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
3445 * fixinc/fixincl.x: regenerate
3447 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3449 * diagnostic.c (vline_wrapper_message_with_location,
3450 v_message_with_file_and_line, v_error_with_file_and_file,
3451 v_error_for_asm, v_warning_for_asm, vfatal,
3452 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
3453 vsorry, verror, vwarning, vpedwarn): Remove.
3454 (diagnostic_for_asm): New function.
3455 (pedwarn, error, warning, pedwarn_with_file_and_line,
3456 error_with_file_and_line, warning_with_file_and_line, sorry,
3457 error_for_asm, warning_for_asm, fatal): Reimplement.
3458 (finish_diagnostic): Clear diagnostic info as well.
3460 2000-07-13 Neil Booth <NeilB@earthling.net>
3462 * c-common.h (flag_digraphs): New.
3463 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
3464 * c-lex.c (yylex): Use flag_digraphs to decide whether to
3467 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
3469 * gcc.c (do_spec_1): Add new %B operator.
3470 (set_input): Prepare for %B.
3472 (link_command_spec): Move up with the other tm.h-
3473 overrideable specs. Factor out the portion conditional on
3474 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
3475 (struct compiler): Just have a single spec string. All users
3477 (default_compilers): Remove unnecessary braces.
3478 (static_specs): Update.
3480 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
3482 (C and assembly specs): Use the new named specs, as appropriate.
3484 * objc/lang-specs.h: Use the new named specs.
3485 Remove unnecessary braces.
3487 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3489 * gcc.c (execute): If a subprocess gets a fatal signal, report
3490 strsignal() of the signal number, and ask for a bug report.
3491 Do not do this for SIGPIPE if there's already been an error.
3493 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
3496 * tradcif.c: Remove.
3498 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3500 * final.c (profile_function): Do not emit profile counters in
3501 the data section, if NO_PROFILE_COUNTERS is defined.
3502 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
3505 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
3506 (FUNCTION_PROFILER): Just emit a call to mcount.
3508 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3510 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
3512 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
3513 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
3514 traditional, lang_chill, or lang_fortran.
3516 * cppfiles.c: #undef strcmp to suppress warning about macros
3517 used without arguments.
3518 (_cpp_execute_include): Use f, not fname, in "No include path"
3520 (_cpp_pop_file_buffer): New function.
3521 * cpplib.c: Don't include <sys/mman.h>.
3522 (cpp_push_buffer): Set line_base and lineno in new buffer.
3523 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
3525 * cpplex.c: Move all prototypes and structure declarations to the
3526 top of the file. Properly parenthesise some macro arguments.
3527 (cpp_scan_line): New function.
3528 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
3529 don't need to walk up the stack counting.
3531 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3533 * c-common.c (combine_strings): Emit a pedantic warning when a
3534 string length is greater than the minimum ANSI C is required
3537 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
3539 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
3540 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
3542 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3544 * c-decl.c (define_label): Warn about identifier conflicts with
3545 labels in traditional C.
3547 * c-parse.in (unop +): Warn about the unary plus operator for
3550 * c-typeck.c (store_init_value): Warn about automatic aggregate
3551 initialization for traditional C.
3553 * invoke.texi (-Wtraditional): Document new warnings.
3555 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3557 * Makefile.in (c-errors.o): Fix thinko in dependency.
3559 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3561 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
3562 -traditional, -ftraditional, or -traditional-cpp was given.
3563 Do not pass -traditional to the preprocessor.
3564 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
3565 preprocessor does it automatically.
3566 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
3568 * ch/lang-specs.h: Always use tradcpp. Do not pass
3569 -traditional, -trigraphs, or -pedantic to the preprocessor.
3570 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
3573 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3575 * cppexp.c (LOGICAL): Delete macro.
3576 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
3579 * cpphash.c (HASHSIZE): Increase to 4096.
3580 (struct hashdummy): Add hash field.
3581 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
3582 the string values using memcmp.
3583 (cpp_lookup): Set dummy.hash.
3585 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
3587 * configure.in (m88k-openbsd): Express configuration using new fragment
3589 * configure: Rebuilt.
3590 * m88k/aout-dbx.h: New.
3591 * m88k/openbsd.h: New.
3592 * m88k/xm-openbsd.h: New.
3594 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3596 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
3598 2000-07-12 Richard Henderson <rth@cygnus.com>
3600 * reload.c (push_secondary_reload): Make sure to add the new
3601 reload at the end, after acquiring secondary memory.
3603 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3605 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
3607 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
3608 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
3610 * c-parse.in (stmt): Delete unused variables.
3612 * convert.c (convert_to_vector): Likewise.
3614 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
3616 * tree.c (finish_vector_type): Prototype.
3618 2000-07-12 Bruce Korb <bkorb@gnu.org>
3620 * fixinc/fixfixes.c: use xmalloc
3621 * fixinc/fixincl.c(initialize): set program name for xmalloc
3622 * fixinc/fixlib.c(must_malloc): obsolete
3623 (is_cxx_header): no longer used - disabled
3624 (skip_quote): inserted and disabled for future use
3625 * fixinc/fixlib.h: reflects above
3626 * fixinc/fixtests.c: removed dinkleberries
3628 2000-07-12 Neil Booth <NeilB@earthling.net>
3630 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
3631 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
3633 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
3634 struct toklist_dummy): New.
3635 (cpp_free_definition): Free macros with free_macro.
3636 (count_params): Don't save paramter spellings. Save macro
3637 information in a struct macro_info.
3638 (parse_define): Don't allocate a token list.
3639 (save_expansion): Allocate the macro's token list, and
3640 save parameter spellings if necessary. Use TOKEN_SPELL.
3641 (cpp_create_definition): Make list const.
3643 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3645 * c-typeck.c (pedwarn_c99): Move to
3646 * c-errors.c: ... Here.
3647 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
3648 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
3649 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
3650 (c-errors.o): List dependency.
3652 2000-07-12 Mark Mitchell <mark@codesourcery.com>
3654 * c-parse.c: Remove.
3655 * c-parse.h: Likewise.
3656 * c-parse.y: Likewise.
3657 * objc/objc-parse.c: Likewise.
3658 * objc/objc-pasre.y: Likewise.
3660 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
3662 * gcc.texi: Fix minor typos
3663 * extend.texi: Fix minor typos
3665 2000-07-11 Marc Espie <espie@openbsd.org>
3667 * collect2.c (main): Recognize .lo as object files.
3669 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3671 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
3674 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
3675 with MAP_ANONYMOUS and MAP_ANON.
3676 * configure, config.in: Rebuilt.
3678 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3680 * diagnostic.c (save_output_state): Remove.
3681 (restore_output_state): Likewise.
3682 (clear_text_info): New function.
3683 (clear_diagnostic_info): Likewise.
3684 (output_text_length, is_starting_newline, output_prefix,
3685 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
3686 prefixing_policy, output_buffer_ptr_to_format_args): New macros
3687 (set_real_maximum_length, output_set_maximum_length,
3688 output_set_prefix, output_get_prefix, output_set_maximum_length,
3689 output_destroy_prefix, init_output_buffer,
3690 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
3691 output_add_newline, output_add_character, output_add_space,
3692 output_append_r, output_append, wrap_text, output_format,
3693 output_do_printf, output_printf, output_do_verbatim,
3694 output_verbatim, verbatim): Use them.
3695 (output_clear): Split into cleat_text_info and
3696 clear_diagnostic_info.
3697 (struct output_state): Move to...
3699 * diagnostic.h: ...Here
3700 (struct output_buffer): Adjust.
3702 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
3704 * cpplex.c (parse_name): No longer inline (premature optimization).
3705 (do_pop_context): Fold into pop_context.
3706 (pop_context): Returns int.
3707 (lex_next): Hoist test for end of directive into pop_context.
3708 (push_macro_context): Returns int; takes just reader and token.
3709 Hoist test for excessive nesting to caller.
3710 (push_arg_context): Returns void; takes just reader and token.
3711 Do not call stringify_arg or get_raw_token.
3712 (get_raw_token): Convert tail recursion through push_arg_context
3713 to a loop at this level. Call stringify_arg here if appropriate.
3714 (maybe_paste_with_next): Convert tail recursion to a while loop.
3715 Hoist test of paste_level to caller.
3717 (stringify_arg): Push arg context at beginning.
3718 (cpp_get_token): Split out core into _cpp_get_token. Call
3719 process_directive here. Throw away CPP_PLACEMARKER tokens.
3720 (_cpp_get_token): Convert tail recursion through
3721 push_macro_context to a loop at this level.
3722 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
3723 _cpp_get_raw_token): Use _cpp_get_token.
3724 (_cpp_skip_rest_of_line): Drop the context stack directly; do
3725 not call pop_context.
3726 (_cpp_run_directive): Call lex_next directly.
3728 * cpphash.h: Prototype _cpp_get_token.
3729 * cppexp.c (lex): Use it.
3730 * cpphash.c (parse_define): Use it.
3731 * cpplib.c (get_define_node, do_undef, parse_include,
3732 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
3733 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
3734 parse_ifdef, validate_else): Use it.
3735 (cpp_push_buffer): Tweak error message; abort if anyone tries
3736 to push a buffer while macro expansions are stacked.
3738 2000-07-11 Donn Terry <donnte@microsoft.com>
3740 * cpplex.c (free_macro_args, save_token): Cast arg of free
3741 and/or xrealloc to PTR.
3742 (_cpp_init_input_buffer): Clear all fields of the base context.
3744 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
3746 * gensupport.c (process_rtx): Make rtl checking stop
3747 complaining about the define_insn while it is being
3748 converted from a define_insn_and_split.
3750 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
3752 * config/mips/mips.c (simple_memory_operand): Access the
3753 INTVAL of the address, not it's containing MEM.
3755 2000-07-11 Bruce Korb <bkorb@gnu.org>
3757 * fixinc/fixtests.c(double_slash): obsolete
3758 (else_endif_label): likewise
3759 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
3760 (libc1_ifdefd_memx): correct initial comment
3761 and omit the #if/#endif pair from the memxxx declarations
3762 * fixinc/fixincl.x: regen
3764 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3766 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
3768 2000-07-11 Neil Booth <NeilB@earthling.net>
3772 2000-07-11 Neil Booth <NeilB@earthling.net>
3774 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
3775 (handle_option): Set digraphs according to standard.
3776 Merge OPT_lang_c89 handler with OPT_std_c89.
3778 * cpplex.c: (lex_line, can_paste): Honour digraphs in
3779 accordance with the digraphs flag.
3781 * cpplib.h: (struct cpp_options): New option digraphs.
3783 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
3784 Bruce Korb <bkorb@gnu.org>
3786 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
3787 * fixinc/fixincl.x: Regenerate.
3788 * fixinc/tests/base/testing.h: Add testcase.
3790 2000-07-10 Richard Henderson <rth@cygnus.com>
3792 * config/ia64/ia64.c (got_symbolic_operand): New.
3793 (symbolic_operand, move_operand): Revert 0701 change.
3794 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3795 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
3796 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
3797 split the offset into a 14-bit low part instead of a 13-bit low part.
3798 (load_fptr): Mark the mem as unchanging.
3799 (load_symptr): Use got_symbolic_operand.
3801 2000-07-10 Nick Clifton <nickc@cygnus.com>
3803 * libgcc2.c (next_stack_level): Cast result of computation to
3804 (void **) so that the assignment does not generate a warning.
3806 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
3808 * flags.h : Add new variable flag_single_precision_constant.
3809 * toplev.c (display_help) : Add -fsingle-precision-constant option.
3810 (flag_single_precision_constant): New.
3811 * c-lex.c (yylex): Convert floating point constant to single
3813 * invoke.texi : Add documentation for this new option.
3815 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3817 * diagnostic.c (output_octal): Second parameter is unsigned.
3818 (output_long_octal): Likewise.
3819 (output_hexadecimal): Likewise.
3820 (output_long_hexadecimal): Likewise.
3821 (output_format): Adjust arguments extraction. Tweak.
3822 (output_verbatim, verbatim): End variable argument list.
3823 (report_diagnostic): Improve documentation.
3825 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
3827 * c-common.h (build_stmt): Declare.
3828 (build_continue_stmt): Likewise.
3829 (build_break_stmt): Likewise.
3830 (build_return_stmt): Likewise.
3832 * c-decl.c (do_case): Rewrite to do what previously done in
3835 * c-semantics.c (build_stmt): Define.
3836 (build_return_stmt): Likewise.
3837 (build_break_stmt): Likewise.
3838 (build_continue_stmt): Likewise.
3839 (build_case_label): Likewise.
3841 * c-parse.in (BREAK): Change to build tree, then generate RTL.
3842 (CONTINUE): Likewise.
3845 (DEFAULT): Likewise.
3847 * c-parse.y: Regenerate.
3848 * c-pasre.c: Likewise.
3850 2000-07-09 Jason Merrill <jason@redhat.com>
3852 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
3854 * tree.h (STRIP_NOPS): Check for error_mark_node.
3855 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
3856 (dwarf2out_*): Remove duplicate declarations.
3858 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
3859 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
3861 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3863 * diagnostic.c (wrap_text): New function.
3864 (maybe_wrap_text): Likewise.
3865 (output_add_string): Use it.
3866 (output_format): Likewise.
3867 (count_error): Use verbatim instead of notice.
3868 (report_error_function): Likewise. Don't use plain fprintf.
3869 (finish_diagnostic): New function.
3870 (output_do_verbatim): Tweak. Commonalize functionalities in
3871 output_verbatim and verbatim.
3872 (output_verbatim): Adjust.
3873 (verbatim): Likewise.
3874 (report_diagnostic): Define.
3876 * diagnostic.h (report_diagnostic): Prototype.
3878 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
3880 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
3882 2000-07-09 Neil Booth <NeilB@earthling.net>
3884 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
3885 IShspace, ISspace: Update.
3887 * cppinit.c: ISTABLE: Update.
3890 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
3891 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
3892 (skip_block_comment, skip_line_comment, parse_string,
3893 lex_line): Use is_vspace rather than IS_NEWLINE.
3894 (skip_whitespace, lex_line): Clean up to use is_nvspace.
3895 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
3897 (lex_next): Unconditionally stop if within a directive.
3898 Treat directives within macro invocations as directives
3899 (after parse_args emits error), not as the argument.
3901 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
3903 * diagnostic.c (diagnostic_args): New macro.
3904 (diagnostic_msg): Likewise.
3905 (output_formatted_integer): Likewise.
3906 (output_state): New data type.
3907 (digit_buffer): Make global.
3908 (output_add_integer): Rename to output_decimal. Squeeze
3910 (output_long_decimal, output_unsigned_decimal,
3911 output_long_unsigned_decimal, output_octal, output_long_octal,
3912 output_hexadecimal, output_long_hexadecimal): New functions.
3913 (output_append_r): New function.
3914 (output_append): Tweak.
3915 (output_flush_on): Rename to output_to_stream.
3916 (output_format): Change prototype. Improve documentation. Handle
3917 more format specifiers.
3918 (build_location_prefix): Rename to context_as_prefix.
3919 (output_notice): Rename to output_do_printf.
3920 (output_printf): Tweak.
3921 (line_wrapper_printf): Likewise.
3922 (vline_wrapper_message_with_location): Adjust call to renamed
3924 (v_message_with_decl): Likewise.
3925 (default_print_error_function): Likewise.
3926 (save_output_state): New function.
3927 (restore_output_state): Likewise.
3928 (output_do_verbatim): Likewise.
3929 (output_verbatim): Define.
3930 (verbatim): Likewise.
3932 * diagnostic.h (printer_fn): Change return type from void to int.
3933 Improve documentation.
3934 (output_add_integer): Rename to output_decimal.
3935 (output_flush_on, output_format): Don't export.
3936 (output_verbatim, verbatim): Declare.
3938 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
3940 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
3941 Check whether c divides op1 exactly if operation is not
3944 2000-07-08 Richard Henderson <rth@cygnus.com>
3946 * final.c (final): Do not abort when reg-stack introduces
3949 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
3951 * cpplib.h (struct cpp_name): Now struct cpp_string.
3952 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
3953 CPP_HEADER_NAME): Change to type S.
3954 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
3955 field, a cpp_hashnode *. All references to val.name updated
3956 to use val.str or val.node as appropriate.
3957 (struct cpp_reader): Add spec_nodes field.
3958 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
3960 * cpphash.h (struct spec_nodes): New.
3961 (enum spell_type): Reorder. Only SPELL_STRING tokens use
3962 val.str. All references to 'spelling > SPELL_NONE' updated to
3965 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
3966 pfile->buffer->inc are not NULL before dereferencing them.
3968 * cpplex.c (parse_name): Take a pointer to the current token,
3969 plus current position and limit as args; return the new
3970 position; don't copy the text of a name into the string
3971 buffer, instead call cpp_lookup and store the node pointer.
3972 If extending a token, copy out the text of the old into a
3973 scratch buffer, append the new, look that up and store the new
3974 node pointer. Inline.
3975 (maybe_paste_with_next): If the result of paste is a NAME,
3976 then look up the pasted text and store its node pointer.
3977 (lex_line): Adjust for new parse_name interface.
3978 Check for L"str", L'str' using spec_nodes->n_L.
3979 (spell_token): SPELL_IDENT tokens have their spelling in
3980 val.node->name. Handle SPELL_STRING tokens that don't have
3982 (_cpp_expand_name_space,
3983 (can_paste): Check for L ## "str" using spec_nodes->n_L.
3984 (cpp_get_token, special_symbol): No need to call cpp_lookup.
3985 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
3986 return 1=equal 0=not, not a tristate.
3988 * cpphash.c (var_args_str): Delete.
3989 (find_param): Compare node fields directly.
3990 (is__va_args__): Use CPP_PEDANTIC. Just compare
3991 token->val.node with spec_nodes->n__VA_ARGS__.
3992 (dump_funlike_macro): Don't use var_args_str.
3994 * cpplib.c (_cpp_check_directive): Just walk through
3995 spec_nodes->dirs comparing pointers.
3996 (get_define_node, do_pragma_poison, detect_if_not_defined,
3997 parse_ifdef): The identifier has already been looked up.
3998 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
4000 (do_if): Only call detect_if_not_defined at beginning of file.
4001 (_cpp_parse_assertion): Only copy string pointers for
4002 SPELL_STRING tokens.
4003 (pragma_dispatch): Take a node pointer and examine its name
4005 (_cpp_init_stacks): Also initialize the spec_nodes structure.
4007 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
4009 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
4010 reverse order from the corresponding _cpp_init_* routines.
4012 * cppexp.c (parse_number, parse_charconst, parse_defined,
4013 lex): Check val.node->type instead of calling cpp_defined.
4014 Use spec_nodes entries where appropriate.
4016 * fix-header.c, scan-decls.c: Update for interface changes.
4018 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
4020 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
4021 emitting aux_truncdfsf2.
4023 2000-07-03 Donn Terry (donnte@microsoft.com)
4025 * cppinit.c (print_help): split overlong line into ISO C89
4028 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4030 * cppexp.c: Update all code for new lexer interface.
4031 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
4032 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
4033 * cpplex.c (token_names): Trim leading CPP_ from names; make
4034 the strings unsigned.
4035 (_cpp_spell_operator): New.
4036 (is_macro_disabled): Disable all macros if rescanning
4038 (_cpp_get_directive_token): Remove.
4040 * cppinit.c: Don't set no_macro_expand.
4041 * cpplib.c (read_line_number, do_line): Check only for EOF,
4043 * cpphash.h: Update prototypes.
4044 * cpplib.h (CPP_VSPACE): Remove.
4045 (struct cpp_reader): Remove no_macro_expand.
4047 2000-07-08 Neil Booth <NeilB@earthling.net>
4049 * cpphash.c (is__va_args__): New function.
4050 (count_params): Fix line reported in error messages. Use
4051 is__va_args__. Don't return ')' on error. Flag GNU style
4052 rest args macro definitions.
4053 (parse_define): Check macro name is not __VA_ARGS__.
4054 (save_expansion): Check identifier in non-varargs-macro is
4055 not __VA_ARGS__. Don't flag GNU_VARARGS.
4056 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
4057 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
4058 than per-token GNU_VARARGS.
4059 * cpplib.h (GNU_VARARGS): Remove.
4060 (GNU_REST_ARGS): New.
4062 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
4064 * i386.md (call_pop, call, call_value_pop): Do not set
4065 current_function_uses_pic_offset_table for calls to static
4066 functions or indirect calls.
4068 2000-07-07 Jim Wilson <wilson@cygnus.com>
4070 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
4071 is_predicate_reg, then take max write_count of register pair.
4073 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4075 * tradcpp.c (main): Rename label `include' to `add_include' to
4076 avoid conflicts with variable `include' in traditional C.
4078 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4080 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
4082 2000-07-07 Jakub Jelinek <jakub@redhat.com>
4084 * sibcall.c (uses_addressof): Add INMEM argument, check for
4085 current_function_internal_arg_pointer outside of MEM rtxs in addition
4087 (sequence_uses_addressof): Update caller.
4089 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
4091 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
4094 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4096 * system.h (UNION_INIT_ZERO): New macro for initializing union
4099 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
4101 2000-07-07 Neil Booth <NeilB@earthling.net>
4105 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
4107 * final.c (final): Detect out of bounds array access to
4108 the insn_lengths array.
4110 2000-07-07 Kazu Hirata <kazu@hxi.com>
4112 * fold-const.c (fold): Fix a comment typo.
4114 2000-07-07 Neil Booth <NeilB@earthling.net>
4116 * cpp.texi: Update to new lexer.
4118 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4120 * tradcpp.c: New file.
4121 * tradcif.y: New file.
4122 * tradcif.c: New generated file.
4124 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
4125 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
4126 dependencies of C. Install tradcpp from install-common, in
4129 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
4131 * cppinit.c: Include cppdefault.h. Refer to
4132 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
4133 to GCC_INCLUDE_DIR and its length.
4134 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
4135 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
4136 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
4138 (include_defaults_array): Move to cppdefault.c.
4140 * cppdefault.h: New file.
4141 * cppdefault.c: New file.
4143 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
4144 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
4145 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
4148 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4150 * reload.c (push_reload): When seeing if can reuse a register,
4151 check extra registers against widest of INMODE and OUTMODE.
4153 2000-07-06 Neil Booth <NeilB@earthling.net>
4155 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
4156 based on full length of predicate.
4158 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
4160 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
4161 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
4163 2000-07-05 Kazu Hirata <kazu@hxi.com>
4165 * h8300-proto.h: Fix formatting.
4166 * h8300.c: Likewise.
4167 * h8300.h: Likewise.
4169 2000-07-05 Jim Wilson <wilson@cygnus.com>
4171 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
4174 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
4176 * invoke.texi: Fix minor typos
4177 * md.texi: Fix minor typos
4179 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
4181 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
4183 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4185 * cpplex.c: Don't include sys/mman.h.
4186 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
4188 * cpplib.c: Include sys/mman.h and obstack.h.
4189 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
4191 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
4192 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
4193 bother freeing if stack entries (they will be freed with their buffer).
4194 (do_endif): Free if stack entries from the buffer obstack.
4195 (push_conditional): Allocate if stack entries from the buffer obstack.
4197 (find_answer): Rename to _cpp_find_answer.
4198 (do_assert, do_unassert): Update.
4200 * cpphash.h: Update prototypes.
4201 (xobnew): New convenience macro.
4202 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
4204 (struct cpp_hashnode): Remove disabled field.
4206 * cppinit.c: Don't include hashtab.h or splay-tree.h.
4207 (report_missing_guard): Moved to cppfiles.c.
4208 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
4210 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
4211 cpp_cleanup_includes. Don't destroy hashtab or
4212 all_include_files here.
4213 (cpp_finish): Use _cpp_report_missing_guards.
4215 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
4216 (_cpp_init_include_table): Rename _cpp_init_includes.
4217 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
4219 * cppexp.c (parse_assertion): Update for new name of
4222 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
4224 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
4226 * cpplib.c (do_ident): s/VSPACE/EOF/
4228 2000-07-05 Neil Booth <NeilB@earthling.net>
4230 * cpplex.c: Fix trigraph replacement within strings.
4232 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4234 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
4236 * xcoffout.c (assign_type_number): Constify.
4237 (xcoffout_source_file): Add static prototype. Don't needlessly
4238 cast away const-ness.
4240 2000-07-04 Jason Merrill <jason@redhat.com>
4242 * frame.h (frame_state): Move base_offset to end.
4244 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4246 * calls.c (emit_library_call_value_1): Revert previous change.
4248 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4250 * fix-header.c (struct partial_proto): Remove unnecessary fields.
4251 (recognized_extern, recognized_function, read_scan_file):
4252 Update for new scheme.
4253 (check_protection): It's still a multiple include guard even
4254 if it doesn't always trigger.
4255 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
4257 * scan.h: Declare struct cpp_token. Update prototypes.
4259 2000-07-03 Neil Booth <neilb@earthling.net>
4260 Zack Weinberg <zack@wolery.cumb.org>
4262 Complete overhaul of the lexer and macro expander.
4264 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
4265 arg, arglist, argdata, reflist, collect_objlike_expansion,
4266 collect_funlike_expansion, collect_params,
4267 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
4268 unsafe_chars, macarg, compare_defs, special_symbol,
4269 scan_arguments, stringify, funlike_macroexpand,
4270 _cpp_quote_string, monthnames): Delete.
4271 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
4272 _cpp_create_definition, _cpp_dump_definition,
4273 dump_hash_helper): Adjust.
4274 (find_param, count_params, parse_define, var_args_str,
4275 check_macro_redefinition, save_expansion): New.
4277 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
4278 parse_string, output_line_command, trigraph_replace,
4279 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
4280 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
4281 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
4282 _cpp_skip_rest_of_line): Modify.
4284 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
4285 find_position, null_warning, bump_column, expand_name_space,
4286 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
4287 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
4288 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
4289 _cpp_prescan): Delete.
4291 (dump_param_spelling, process_directive, lex_next,
4292 is_macro_disabled, stringify_arg, expand_context_stack,
4293 output_token, make_string_token, alloc_number_token,
4294 special_symbol, duplicate_token, maybe_paste_with_next,
4295 can_paste, prevent_macro_expansion, restore_macro_expansion,
4296 get_temp_token, release_temp_tokens, quote_string,
4297 token_names, token_spellings, _cpp_expand_name_space,
4298 _cpp_glue_header_name, _cpp_reserve_name_space,
4299 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
4300 placemarker_token, eof_token, cpp_context, macro_args,
4301 get_raw_token, parse_arg, parse_args, save_token,
4302 push_arg_context, push_macro_context, pop_context,
4303 do_pop_context, free_macro_args, _cpp_get_line,
4304 _cpp_run_directive): New.
4306 * cpplib.c (validate_else, parse_include, push_conditional,
4307 pass_thru_directive, read_line_number, parse_ifdef,
4308 detect_if_not_defined, _cpp_check_directive, do_define,
4309 do_undef, do_include, do_import, do_include_next, do_error,
4310 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
4311 top_pragmas, do_pragma_gcc, do_pragma_implementation,
4312 do_pragma_poison, do_pragma_system_header,
4313 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
4314 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
4315 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
4316 cpp_defined): Update for new scheme.
4317 (strtoul_for_line, get_define_node, dump_macro_name,
4318 _cpp_check_linemarker, _cpp_parse_assertion): New.
4319 (_cpp_handle_directive, do_pragma_default): Delete.
4321 * cpphash.h (struct predicate): Now struct answer.
4322 (enum spell_type, struct token_spelling, struct directive,
4323 directive_handler): New.
4324 Update prototypes. Remove unused macros.
4325 * cpplib.h: Update prototypes. Remove unused macros,
4326 structure definitions, and fields.
4328 * cpperror.c (print_containing_files, v_message): Adjust.
4329 * cppexp.c (parse_assertion, lex, parse_escape,
4330 _cpp_parse_expr): Adjust.
4331 * cppfiles.c (open_include_file, _cpp_execute_include,
4332 _cpp_compare_file_date, cpp_read_file, read_include_file):
4334 * cppinit.c (dump_special_to_buffer): Delete.
4335 (append_include_chain, merge_include_chains, cpp_reader_init,
4336 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
4337 cpp_finish, handle_option, print_help): Adjust.
4338 * cppmain.c (main): Adjust.
4340 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4342 * cppspec.c (lang_specific_driver): Use double quotes in error
4345 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4347 * calls.c (emit_library_call_value_1): Use valreg instead
4348 of hard_libcall_value.
4350 2000-07-03 Geoff Keating <geoffk@cygnus.com>
4352 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
4353 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
4354 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
4362 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
4363 mode instead of wider_mode is being used.
4365 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4367 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
4368 of 'r'. Use q_regs_operand.
4369 (andsi_1+2): Use q_regs_operand.
4371 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4373 * builtins.c (get_memory_rtx): Always put into alias set 0.
4375 2000-07-03 Nick Clifton <nickc@cygnus.com>
4377 * config/arm/arm.md: Fix post increment and pre increment
4378 peepholes so that they do not generate UNPREDICATBLE opcodes.
4379 (ie ones where the increment clobbers the source/destination).
4381 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
4383 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
4384 change too big for -mtiny-stack" a warning, if larger than 63.
4385 (out_set_stack_ptr): Change the logic so -mno-interrupts is
4386 always safe to use on possible future devices.
4387 (function_prologue): Write SPH before SPL, for consistency.
4388 If interrupt_func_p true, we know we have enabled interrupts.
4389 (avr_num_arg_regs): New function. Round up to even number of
4390 bytes if no -mpack-args or if calling a libgcc function.
4391 (function_arg, function_arg_advance): Use it.
4392 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
4393 Output "movw" if available.
4394 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
4395 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
4396 (asm_output_section_name): Add blanks for consistent output.
4397 (encode_section_info): Set TREE_READONLY for progmem data to
4398 avoid gas warnings about changed section attributes.
4399 (avr_hard_regno_mode_ok): Force non-QImode data to start in
4400 even numbered registers on devices with "movw".
4401 * config/avr/avr.h (MASK_*): Define bits for target_flags.
4402 (TARGET_SWITCHES): Mark help strings for translation.
4403 Add new -mpack-args and -menhanced switches.
4404 (TARGET_OPTIONS): Mark help strings for translation.
4405 (progmem_section): Add section attributes.
4406 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
4407 Output "movw" if available.
4408 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
4410 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
4411 call convention (arguments aligned on even registers).
4412 (_cleanup, _exit): Make weak symbols libc can override.
4414 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4416 * fp-bit.h: New file.
4418 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
4419 Comment #endif statements.
4420 (__thenan_sf, __thenan_df): Add missing braces around initializer.
4422 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
4424 * gcse.c (compute_pre_data): Compute ae_kill using other local
4425 properties instead of calling compute_ae_kill.
4427 * alias.c (init_alias_analysis): Do not call
4428 prologue_epilogue_contains until after reload has completed.
4430 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
4432 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
4433 (genrtl_finish_compound_stmt): Likewise.
4434 (genrtl_compound_stmt): Change to return void.
4436 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
4437 move code from here to ...
4438 (genrtl_compound_stmt): ... here.
4439 (genrtl_finish_compound_stmt): Remove.
4440 (expand_stmt): Add comment.
4442 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
4444 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
4447 2000-07-02 Jakub Jelinek <jakub@redhat.com>
4449 * cpplib.h (struct cpp_reader): New field include_depth.
4450 (struct cpp_printer): Rename last_bsd to last_id.
4451 * cppfiles.c (read_include_file): Bump include_depth.
4452 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
4453 (output_line_command): Output correct #line if a header
4454 is including itself and is not protected against multiple inclusion.
4455 Use include_depth instead of buffer_stack_depth, last_id instead of
4457 * cppinit.c (cpp_start_read): Initialize last_id instead of
4460 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
4462 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
4463 (c-semantics.o): New target.
4465 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
4466 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
4467 (genrtl_clear_out_block): Likewise.
4468 (genrtl_goto_stmt): Likewise.
4469 (genrtl_expr_stmt): Likewise.
4470 (genrtl_decl_stmt): Likewise.
4471 (genrtl_if_stmt): Likewise.
4472 (genrtl_while_stmt): Likewise.
4473 (genrtl_do_stmt): Likewise.
4474 (genrtl_return_stmt): Likewise.
4475 (genrtl_for_stmt): Likewise.
4476 (genrtl_break_stmt): Likewise.
4477 (genrtl_continue_stmt): Likewise.
4478 (genrtl_scope_stmt): Likewise.
4479 (genrtl_switch_stmt): Likewise.
4480 (genrtl_case_label): Likewise.
4481 (genrtl_begin_compound_stmt): Likewise.
4482 (gerntl_finish_compound_stmt): Likewise.
4483 (genrtl_compound_stmt): Likewise.
4484 (genrtl_asm_stmt): Likewise.
4485 (genrtl_decl_cleanup): Likewise.
4486 (DECL_ANON_UNION_ELEMS): Likewise.
4487 (emit_local_var): Likewise.
4488 (make_rtl_for_local_static): Likewise.
4489 (expand_cond): Likewise.
4490 (expand_stmt): Likewise.
4491 (c_expand_return): Likewise.
4492 (c_expand_start_case): Likewise.
4493 (do_case): Likewise.
4494 (COMPOUND_STMT_NO_SCOPE): Likewise.
4495 (c_expand_asm_operands): Likewise.
4496 (NEW_FOR_SCOPE_P): New macro.
4497 (expand_expr_stmt_fn): New type.
4499 (set_current_function_name_declared): Likewise.
4500 (current_function_name_declared): Likewise.
4501 (lang_expand_stmt): Likewise.
4502 (stmts_are_full_exprs_p): Likewise.
4503 (anon_aggr_type_p): Likewise.
4504 (lang_expand_expr_stmt): Likewise.
4505 (build_case_label): Likewise.
4507 * c-decl.c (lang_expand_expr_stmt): Initialize.
4508 (stmts_are_full_exprs_p): Define.
4509 (current_function_name_declared): Likewise.
4510 (do_case): Likewise.
4511 (lang_expand_stmt): Likewise.
4512 (set_current_function_name_declared): Likewise.
4513 (anon_aggr_type_p): Likewise.
4515 * c-semantics.c: New file.
4516 (expand_cond): Moved from cp/semantics.c.
4517 (genrtl_do_pushlevel): Likewise.
4518 (genrtl_clear_out_block): Likewise.
4519 (genrtl_goto_stmt): Likewise.
4520 (genrtl_expr_stmt): Likewise.
4521 (genrtl_decl_stmt): Likewise.
4522 (genrtl_if_stmt): Likewise.
4523 (genrtl_while_stmt): Likewise.
4524 (genrtl_do_stmt): Likewise.
4525 (genrtl_return_stmt): Likewise.
4526 (genrtl_for_stmt): Likewise.
4527 (genrtl_break_stmt): Likewise.
4528 (genrtl_continue_stmt): Likewise.
4529 (genrtl_scope_stmt): Likewise.
4530 (genrtl_switch_stmt): Likewise.
4531 (genrtl_case_label): Likewise.
4532 (genrtl_begin_compound_stmt): Likewise.
4533 (genrtl_finish_compound_stmt): Likewise.
4534 (genrtl_compound_stmt): Likewise.
4535 (genrtl_asm_stmt): Likewise.
4536 (genrtl_decl_cleanup): Likewise.
4537 (make_rtl_for_local_static): Moved from cp/decl.c.
4538 (emit_local_var): Likewise.
4539 (expand_stmt): Define.
4541 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
4542 (c_expand_return): Likewise.
4543 (c_expand_start_case): Likewise.
4545 2000-07-01 Richard Henderson <rth@cygnus.com>
4547 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
4548 with the low 13 bits set.
4549 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
4550 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
4551 of the low 13 bits into a CONST plus an adddi3.
4552 (load_symptr): Set RTX_UNCHANGING_P.
4554 See ChangeLog.3 for earlier changes.
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