1 Mon Aug 21 07:41:12 2000 Jeffrey A Law (law@cygnus.com)
3 * reload.c (reload_inner_reg_of_subreg): New function broken out of
5 (push_reload): Use reload_inner_reg_of_subreg.
6 (combine_reloads): Do not combine reloads if the input reload
7 is a SUBREG in which the inner part will need reloading.
9 * global.c (global_alloc): Avoid passing dumpfile argument to
11 * toplev.c (rest_of_compilation): Likewise.
12 * reload.h (reload): Remove dumpfile argument. Callers changed.
13 (debug_reload, debug_reload_to_stream): Move prototypes here.
14 * rtl.h (reload): Remove dumpfile argument.
15 * reload.c (debug_reload): Remove prototype.
16 (debug_reload_to_stream): Likewise.
17 * reload1.c: Avoid passing dumpfile around, rely on rtl_dump_file
20 2000-08-21 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
22 * diagnostic.c (context_as_prefix): Export.
23 (need_error_newline): Remove.
24 (lang_diagnostic_starter, lang_diagnostic_finalizer): New objects.
25 (error_module_changed, record_last_error_module,
26 error_function_changed, record_last_error_function): New functions.
27 (initialize_diagnostics): Default intialize
28 lang_diagnostic_starter, lang_diagnostic_finalizer.
29 (init_output_buffer): Tweak.
30 (file_name_as_prefix): New function.
31 (announce_function, default_print_error_function,
32 report_error_function, set_diagnostic_context): Tweak.
34 2000-08-21 Richard Earnshaw <rearnsha@arm.com>
36 * flow.c (init_propagate_block_info): Handle SUBREG in a jump
39 2000-08-20 Richard Henderson <rth@cygnus.com>
41 * flow.c (merge_blocks_nomove): Don't seek back past the bb note.
43 2000-08-20 Zack Weinberg <zack@wolery.cumb.org>
45 * cppinit.c (cpp_init): Set global flag when called.
46 (cpp_reader_init): Bomb out if cpp_init hasn't been called.
48 Sun Aug 20 01:41:35 MSD 2000 Dennis Chernoivanov <cdi@sparc.spb.su>
50 * cpplex.c (cpp_scan_buffer): Move `output_line_command' just
51 before `process_directive' so that newlines won't be missed
53 (cpp_printf): Increment `print->lineno' when newline is emitted.
55 * cppmain.c (cb_ident): Likewise.
56 (cb_define): Likewise.
58 (cb_include): Likewise.
59 (cb_def_pragma): Likewise.
60 (dump_macros_helper): Likewise.
62 2000-08-20 Richard Henderson <rth@cygnus.com>
64 * config/ia64/ia64.c (emit_insn_group_barriers): Stop if ar.lc
65 assigned before a loop.
67 * config/ia64/ia64.md (ashlsi3): Zero extend the shift count.
68 (ashrsi3, lshrsi3): Likewise.
70 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
72 * c-lang.c: #include diagnostic.h
73 (c_tree_printer): New function.
74 (lang_init): Initialize lang_printer.
76 * Makefile.in (c-lang.o): Depends on diagnostic.h
78 2000-08-20 Gabriel Dos Reis <gdr@codesourcery.com>
80 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic.
82 * diagnostic.c (default_diagnostic_starter,
83 default_diagnostic_finalizer): New functions.
84 (diagnostic_for_asm, diagnostic_for_decl): Tweak.
85 (pedwarn, pedwarn_with_file_and_line, error,
86 error_with_file_and_line, fatal, warning,
87 warning_with_file_and_line): Adjust call to report_diagnostic.
88 (report_diagnostic): Rework.
89 (set_diagnostic_context): New function.
91 * diagnostic.h (struct diagnostic_context): New data structure.
92 (diagnostic_message, diagnostic_argument_list,
93 diagnostic_file_location, diagnostic_line_location,
94 diagnostic_is_warning, diagnostic_starter, diagnostic_finalizer,
95 diagnostic_finalizer, diagnostic_auxiliary_data): New macros.
96 (set_diagnostic_context): Declare.
97 (report_diagnostic): Change prototype.
99 Sun 20-Aug-2000 09:25:45 BST Neil Booth <NeilB@earthling.net>
101 * fix-header.c (main): Initialize cpplib.
103 2000-08-19 Michael Meissner <meissner@redhat.com>
105 * ifcvt.c (find_if_block): Do not assume that a THEN block has any
106 instructions in it before checking for indirect jumps.
108 * ifcvt.c (find_if_block): Do not consider a THEN block that ends
109 in a indirect jump as a potential for conditional execution.
111 * d30v.h (d30v_init_expanders): Don't declare here.
112 * d30v-protos.h (d30v_init_expanders): Declare here with a valid
115 Sat 19-Aug-2000 21:11:45 BST Neil Booth <NeilB@earthling.net>
117 * cpp.texi: Add @section for assertions.
119 Sat Aug 19 12:37:08 EDT 2000 John Wehle (john@feith.com)
121 * loop.c (scan_loop): Use CONST_CALL_P instead of
122 checking for REG_LIBCALL / REG_RETVAL.
124 Sat Aug 19 09:18:47 2000 Jeffrey A Law (law@cygnus.com)
126 * reload1.c (reload_as_needed): Accept dumpfile argument,
127 pass it to emit_reload_insns.
128 (emit_reload_insns): Add new dumpfile argument. If non-null
129 then dump the reloads for each insn into the dumpfile.
130 (reload): Pass dumpfile to reload_as_needed.
132 * invoke.texi: Clean up linux-gnu vs linux comments.
134 2000-08-19 Richard Henderson <rth@cygnus.com>
136 * config/ia64/ia64.c (reg_or_5bit_operand): New.
137 (ia64_depz_field_mask): New.
138 * config/ia64/ia64.h (CONSTRAINT_OK_FOR_R): New.
139 (PREDICATE_CODES): Update.
140 * config/ia64/ia64.md: Update commentary.
141 (depz_internal): New.
142 (ashlsi3): Implement directly.
143 (ashrsi3, lshrsi3): Simplify; rely on extv and extzv for constants.
144 (ashldi3): Use shladd.
145 * config/ia64/ia64-protos.h: Update.
147 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
149 * toplev.c (independent_decode_option): Always process -g.
150 Remove third argument, now unused. Adjust caller to match.
152 2000-08-18 Richard Henderson <rth@cygnus.com>
154 * combine.c (make_compound_operation): Break after creating
157 2000-08-18 Zack Weinberg <zack@wolery.cumb.org>
159 * cpplib.c (cpp_register_pragma_space): Just return if the
160 namespace is already registered.
162 2000-08-18 Ray Essick <essick@ddna.labs.mot.com> & Nick Clifton <nickc@redhat.com>
164 * config/mcore/mcore.md (rotlsi3): Allow allow rotations by a
165 constant amount. Do not generate ROTL instruction.
167 Fri Aug 18 16:22:20 2000 Alexandre Oliva <aoliva@redhat.com>
169 * config/sh/elf.h: Do not include sh/sh.h.
170 * config/sh/rtems.h: Likewise.
171 * config/sh/rtemself.h: Do not include sh/elf.h.
172 * configure.in: Get them included with `tm_file's.
173 * configure: Rebuilt.
175 * config/sh/sh.md (fpu_switch0, fpu_switch1): Simplify.
176 * config/sh/sh.c (fpscr_set_from_mem): Use them.
178 Fri Aug 18 14:23:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
180 * stor-layout.c (compute_record_type): Don't use mode of single
181 field as mode of record if not integer mode of same type.
183 * regmove.c (perhaps_ends_bb_p): New function.
184 (optimize_reg_copy_1, optimize_reg_copy_2): Call it.
185 (optimize_reg_copy_3, fixup_match_2, regmove_optimize): Likewise.
186 (fixup_match_1): Likewise.
187 (fixup_match_1, combine_stack_adjustments_for_block): Add casts to
188 avoid signed/unsigned warnings.
190 * function.c (fixup_var_refs_1, case MEM): Update CODE after
193 Fri 18-Aug-2000 18:33:45 BST Neil Booth <NeilB@earthling.net>
195 * cpphash.h: Use HAVE_DESIGNATED_INITIALIZERS.
196 (_cpp_trigraph_map): Declaration moved from cpplex.c
198 * cppinit.c: Define _cpp_trigraph_map. Use UCHAR_MAX + 1
199 instead of 256. Use consistent test for designated initializers.
200 (cpp_init): Initialize trigraph_map.
201 (initialize_standard_includes, parse_option): Use memcmp
204 * cpplex.c (init_trigraph_map): Remove.
205 (trigraph_ok, trigraph_replace, lex_line): Refer to
208 * cpplib.c (str_match, WARNING, ERROR, ICE): Delete.
209 (do_unassert): Remove unused "next" local.
211 * system.h (HAVE_DESIGNATED_INITIALIZERS): New prototype.
213 2000-08-18 Emmanuel Marty <emarty@suntech.fr>
215 * arm/lib1funcs.asm (_umodsi3 THUMB VARIANT): Restore deleted return
218 2000-08-17 Richard Henderson <rth@cygnus.com>
220 * config/ia64/ia64.c (spill_restore_mem): Handle emitting
221 the first insn in a sequence.
223 Thu Aug 17 22:40:05 EDT 2000 John Wehle (john@feith.com)
225 * alias.c (true_dependence, write_dependence_p): A read
226 involving a label_ref or the constant pool doesn't create
229 * rtl.h (unchanging): Improve documentation.
231 2000-08-17 Rodney Brown <RodneyBrown@mynd.com>
233 * cse.c (insert_regs): Remove unused `regno'.
235 2000-08-17 Neil Booth <NeilB@earthling.net>
237 * (cppinit.c) merge_include_chains: Use remove_dup_dir,
238 remove_dup_dirs. If qtail == brack, remove brack not
240 (remove_dup_dir, remove_dup_dirs): New functions.
242 2000-08-17 Neil Booth <NeilB@earthling.net>
244 * cppinit.c (cpp_cleanup): Free include dir chains.
245 * cpplib.c (do_undef): Let _cpp_free_definition make the node void.
246 (do_unassert): Free the assert with _cpp_free_definition.
247 * cppmacro.c (_cpp_free_definition): Free memory allocated for
248 assertions. Make the node a T_VOID node.
250 2000-08-17 Neil Booth <NeilB@earthling.net>
252 * cppinit.c (path_include, append_include_chain):
253 Remove 2nd parameter (struct cpp_pending *).
254 (path_include, initialize_standard_includes, cpp_handle_option):
255 Update callers appropriately.
256 (cpp_handle_option): Use pend.
258 2000-08-17 Neil Booth <NeilB@earthling.net>
260 * cppinit.c (sort_options): Remove, put functionality in
263 (initialize_builtins): Free memory.
264 (cpp_start_read): Move init_IStable to cpp_init.
266 * cpplib.h (cpp_init): New prototype.
267 * cppmain.c (main): Call cpp_init.
269 Thu Aug 17 13:20:32 EDT 2000 John Wehle (john@feith.com)
271 * rtlanal.c (rtx_unstable_p): Use CONSTANT_P.
272 (rtx_unstable_p, rtx_varies_p): Process vectors.
274 2000-08-16 Niibe Yutaka <gniibe@m17n.org>, Kaz Kojima <kkojima@rr.iij4u.or.jp>
276 * config/sh/lib1funcs.asm (GLOBAL): Define. Use for all
277 references to GLOBAL symbols. Use LOCAL where appropriate.
279 2000-08-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
281 * configure.in (*-ibm-aix4.[12]*): Delete test for gnu ld. Always
282 use t-aix41 when host == target.
284 2000-08-16 Richard Henderson <rth@cygnus.com>
286 * reload.c (push_secondary_reload): Revert last change.
287 If we use a reload_in/out pattern, make the when the same
288 as the primary reload.
289 (find_reloads): Likewise.
291 2000-08-16 Manfred Hollstein <manfredh@redhat.com>
293 * configure.in (libstdcxx-v3): Fix test.
294 * configure: Regenerate.
296 Wed Aug 16 08:10:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
298 * calls.c (calls_function_1, expand_call): Only test
299 TYPE_RETURNS_STACK_DEPRESSED for FUNCTION_TYPE.
300 * function.c (thread_prologue_and_epilogue_insns): Likewise.
302 2000-08-16 Richard Henderson <rth@cygnus.com>
304 * combine.c (simplify_shift_const): Revert previous two
305 changes. If SHIFT_COUNT_TRUNCATED, crop the shift count
306 before the main loop.
308 2000-08-15 Richard Henderson <rth@cygnus.com>
310 * combine.c (simplify_shift_const): Bound shift count when
313 Tue Aug 15 17:33:05 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
315 * calls.c (ECF_SP_DEPRESSED): New macro.
316 (calls_function_1): Treat calling sp-depressed function as alloca.
317 (emit_call_1): Don't adjust SP if calling sp-depressed function.
318 (expand_call): Set ECF_SP_DEPRESSED if TYPE_RETURNS_STACK_DEPRESSED.
319 If sp-depressed, ensure block saves and restores SP.
320 * fold-const.c (extract_muldiv): Only check TYPE_IS_SIZETYPE
322 * function.c (keep_stack_depressed): New function.
323 (thread_prologue_and_epilogue_insns): Call it.
324 * print-tree.c (print_node): Use HOST_WIDE_INT_PRINT_UNSIGNED
325 to print DECL_OFFSET_ALIGN.
326 Print no-force-blk and transparent-union flags properly.
327 * stmt.c (expand_goto_internal): Don't restore stack if last block
328 and function returns with sp depressed.
329 (fixup_gotos): Likewise.
330 (save_stack_pointer): New function, from code in expand_decl.
331 (expand_decl): Call new function.
332 * tree.h (TYPE_IS_SIZETYPE): Call INTEGER_TYPE_CHECK.
333 (TYPE_RETURNS_STACK_DEPRESSED): New macro.
334 (save_stack_pointer): New declaration.
336 * diagnostic.c (fatal_function): New variable.
337 (set_fatal_function): New function.
339 * diagnostic.h (set_fatal_function): New declaration.
341 2000-08-15 William Cohen <wcohen@redhat.com>
343 * config/sh/elf.h (DWARF2_DEBUGGING_INFO): Defined.
344 (PREFERRED_DEBUGGING_TYPE): Set to dwarf2 info.
345 (DWARF2_ASM_LINE_DEBUG_INFO): Defined.
347 2000-08-15 Richard Henderson <rth@cygnus.com>
349 * flow.c (mark_used_reg): Set reg_cond_reg appropriately.
351 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
353 * arm.c (arm_function_ok_for_sibcall): New function.
354 * arm.h (FUNCTION_OK_FOR_SIBCALL): Define.
355 * arm.md (call expanders): Don't check here for calls that can't
358 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
360 * arm.md (splits generating cond_exec): Disable.
362 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
364 * arm/linux-elf.h (text_section): Delete declaration.
366 2000-08-15 Richard Earnshaw <rearnsha@arm.com>
368 ARM support for unordered FP operations.
369 * arm-protos.h (arm_comparison_operator): Declare.
370 * arm.c (arm_comparison_operator): New function.
371 (arm_select_cc_mode): Add unordered comparison codes.
372 (get_arm_condition_code): Likewise.
373 (arm_final_prescan_insn): Can't handle unordered jumps that can't
375 * arm.h (PREDICATE_CODES): Add arm_comparison_operator.
376 * arm.md (all uses of comparison_operator): Replace with
377 arm_comparison_operator.
378 (bunordered, bordered, bugt, bunlt, bunge, bunle, buneq, bltgt): New
380 (arm_buneq, arm_bltgt, arm_buneq_reversed, arm_bltgt_reveresed): New
383 Tue Aug 15 00:36:36 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
385 * gthr-posix.h: Conditionally include <sched.h>; include
386 <config.h> from libobjc/.
388 2000-08-14 Richard Henderson <rth@cygnus.com>
390 * config/i386/i386.c (legitimize_pic_address): Use Pmode
393 2000-08-14 Richard Henderson <rth@cygnus.com>
395 * configure.in (ia64-*): Set float_format for i386 long double.
397 * real.c (GET_REAL): Treat 128-bit INTEL_EXTENDED_IEEE_FORMAT
398 as we would for i386 XFmode.
399 (PUT_REAL): Likewise.
400 (endian, ereal_atof, real_value_truncate): Likewise.
401 (ereal_isneg, toe64, etens, make_nan): Likewise.
402 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Likewise.
404 * config/ia64/ia64-protos.h: Update.
405 * config/ia64/ia64.c (general_tfmode_operand): New.
406 (destination_tfmode_operand): New.
407 (tfreg_or_fp01_operand): New.
408 (ia64_split_timode): New.
409 (spill_tfmode_operand): New.
410 (ia64_expand_prologue): Use TFmode not XFmode.
411 (ia64_expand_epilogue): Likewise.
412 (ia64_function_arg): Likewise.
413 (ia64_function_arg_advance): Likewise.
414 (ia64_return_in_memory): Likewise.
415 (ia64_function_value): Likewise.
416 (ia64_print_operand): Likewise.
417 (ia64_register_move_cost): Set GR<->FR to 5.
418 (ia64_secondary_reload_class): Get GR for TImode memory op.
419 * config/ia64/ia64.h (ROUND_TYPE_SIZE): Remove.
420 (ROUND_TYPE_ALIGN): Remove.
421 (LONG_DOUBLE_TYPE_SIZE): Set to 128.
422 (INTEL_EXTENDED_IEEE_FORMAT): Define.
423 (HARD_REGNO_NREGS): Use TFmode, not XFmode.
424 (HARD_REGNO_MODE_OK): Likewise. Disallow TImode in FRs.
425 (MODES_TIEABLE_P): Use TFmode, not XFmode.
426 (CLASS_MAX_NREGS): Likewise.
427 (ASM_OUTPUT_LONG_DOUBLE): Output by 4 byte hunks.
428 (PREDICATE_CODES): Update.
429 * config/ia64/ia64.md (movti): New.
430 (movti_internal): Use a clobber for memory alternatives.
431 (reload_inti, reload_outti): New.
432 (movsfcc_astep): Predicate properly.
433 (movdfcc_astep): Likewise.
436 (extendsftf2, extenddftf2): New.
437 (trunctfsf2, trunctfdf2): New.
438 (floatditf2, fix_trunctfdi2): New.
439 (floatunsditf2, fixuns_trunctfdi2): New.
440 (addtf3, subtf3, multf3, abstf2): New.
441 (negtf2, nabstf2, mintf3, maxtf3): New.
442 (maddtf3, msubtf3, nmultf3, nmaddtf3): New.
444 (fr_spill): Use TFmode, not XFmode.
445 (fr_restore): Likewise.
446 * config/ia64/lib1funcs.asm (__divtf3): New.
447 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add it.
449 2000-08-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
451 * cse.c (fold_rtx): Avoid empty body in an if-statement.
453 * doloop.c (doloop_iterations_max, doloop_modify): Avoid using the
454 `U' integer constant suffix.
456 * dwarf2out.c (add_subscript_info): Avoid empty body in an
459 * sparc/sol2.h (__enable_execute_stack): Prototype.
461 2000-08-14 David Edelsohn <edelsohn@gnu.org>
463 * collect2.c: Remove use of AIX import file.
465 * longlong.h: Test ARCH_PWR not ARCH_POWER.
467 * rs6000.c (print_operand, case 'E'): Add else.
469 2000-08-14 Richard Henderson <rth@cygnus.com>
471 * config/ia64/ia64.md (movdi): Delay calling ia64_expand_load_address.
472 (movdi_symbolic): New.
474 2000-08-14 Jim Wilson <wilson@cygnus.com>
476 * config/ia64/ia64.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
477 to GNU as. For Intel as, pass -M const_gp and -M no_plabel.
478 * config/ia64/linux.h (ASM_SPEC): Pass -mconstant-gp and -mauto-pic
481 2000-08-14 Richard Henderson <rth@cygnus.com>
483 * expr.c (emit_group_load): Don't force constants into registers.
484 Special case source already in the correct mode.
486 2000-08-14 Zack Weinberg <zack@wolery.cumb.org>
488 * configure.in: Accept *-*-linux* not just *-*-linux-gnu*.
489 * fixinc/inclhack.def: Likewise.
490 * fixinc/mkfixinc.sh: Likewise.
491 * configure: Regenerate.
492 * fixinc/fixincl.x: Regenerate.
493 * install.texi: Document equivalence of linux and linux-gnu.
495 Mon Aug 14 18:51:44 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
497 * cse.c (insert_regs): Also in REG case: When finding an invalid
498 value, and we make a new quantity, make sure that it won't be
499 mistaken by for a valid one by mention_regs.
501 2000-08-13 Ralf Gütlein <ralf.guetlein@aranea.de>
503 * h8300.md: Remove obsolete peepholes.
505 2000-08-13 Kazu Hirata <kazu@hxi.com>
507 * invoke.texi (H8/300 Options): Fix typos.
508 * config/h8300.c: Fix formatting.
509 * config/h8300.h: Fix comment typos.
510 (OVERRIDE_OPTIONS): Fix formatting.
512 * function.c: Fix formatting.
514 * cse.c: Fix formatting.
516 2000-08-13 Geoff Keating <geoffk@cygnus.com>
518 * flow.c (attempt_auto_inc): Remove unused variable `bb'.
519 (attempt_auto_inc): Suppress parentheses warning.
520 * function.c (put_reg_into_stack): Remove unused variable `unsigned_p'.
521 * loop.c (load_mems): Remove `u' suffix in two places.
522 * config/rs6000/rs6000.c: Remove unnecessary `u' suffixes from
524 * config/rs6000/rs6000.h: Likewise.
525 * config/rs6000/sol-c0.c: Prototype some functions. Remove the
526 __eabi dummy routine.
527 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Remove unused
530 * config/rs6000/rs6000.c (rs6000_select_section): Rewrite to
531 not put stuff in .sdata unnecessarily.
532 (rs6000_unique_section): New function.
533 * config/rs6000/rs6000-protos.h: Add rs6000_unique_section.
534 * config/rs6000/sysv4.h (UNIQUE_SECTION): Define.
536 * c-typeck.c (build_array_ref): Don't complain about non-lvalue
537 arrays in C99. Don't try to look at DECL_REGISTER of a
538 COMPONENT_REF. Don't complain twice about the same error.
540 * fixinc/inclhack.def (aix_pthread): New fix.
541 (aix_sysmachine): New fix.
542 * fixinc/fixincl.x: Regenerate.
544 * expr.c (expand_expr): Call convert_modes when turning a large
545 multiply into a small one.
547 2000-08-12 Geoff Keating <geoffk@cygnus.com>
549 * tree.h (DECL_OFFSET_ALIGN): Make the off_align field of
550 the tree structure an exponent rather than an explicit alignment
551 so it doesn't overflow.
552 (SET_DECL_OFFSET_ALIGN): New macro.
553 * stor-layout.c (place_union_field): Use SET_DECL_OFFSET_ALIGN
554 rather than DECL_OFFSET_ALIGN.
555 (place_field): Likewise.
556 * expmed.c (store_bit_field): Abort on align==0 to avoid
557 antisocial machine behaviour.
559 2000-08-12 Richard Henderson <rth@cygnus.com>
561 * sibcall.c (uses_addressof): Accept both addressof and
562 current_function_internal_arg_pointer inside a mem.
563 (optimize_sibling_and_tail_recursive_call): Fail tail recursion
564 if current_function_uses_addressof.
565 * stmt.c (expand_return): Kill tail recursion and HAVE_return
568 2000-08-11 Richard Henderson <rth@cygnus.com>
570 * config/ia64/ia64.md (addsi3): Remove expander.
571 (subsi3, mulsi3, negsi2, one_cmplsi2): Likewise.
572 (*addsi3_shladd): New.
574 2000-08-11 Richard Henderson <rth@cygnus.com>
576 * config/ia64/ia64.c (do_spill): Pass cfa offset to move expander.
577 (do_restore): Likewise.
578 (gen_movdi_x, gen_fr_spill_x, gen_fr_restore_x): New.
579 (ia64_expand_prologue, ia64_expand_epilogue): Use them.
580 (rtx_needs_barrier): Track actual bit manipulation for
581 ar.unat moves, gr_spill, and gr_restore.
582 (emit_insn_group_barriers): Special case gr_spill/gr_restore.
583 (process_set): Don't handle varargs spills.
584 * config/ia64/ia64.md (gr_spill): Accept cfa offset. Emit
585 .mem.offset here instead of in process_set.
586 (gr_restore): Likewise.
588 2000-08-11 Richard Henderson <rth@cygnus.com>
590 * config/ia64/ia64.h (PROMOTE_MODE): Only extend to SImode.
592 2000-08-11 Mark Elbrecht <snowball3@bigfoot.com>
594 * gcc.texi (The Configuration File): Document
595 COLLECT2_HOST_INITIALIZATION, GCC_DRIVER_HOST_INITIALIZATION, and
596 UPDATE_PATH_HOST_CANONICALIZATION.
598 2000-08-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600 * c-parse.in (cast_expr): Avoid -Wstrict-prototype warnings for
601 unprototyped function pointer casts on integer constants.
603 2000-08-11 Laurynas Biveinis <lauras@softhome.net>
605 * fixproto: Recognize DOS paths with drive letters as absolute paths.
607 2000-08-11 Nathan Sidwell <nathan@codesourcery.com>
609 * extend.texi (Volatiles): Fix typos.
611 2000-08-11 Kazu Hirata <kazu@hxi.com>
613 * flow.c: Fix formatting.
615 2000-08-11 Richard Henderson <rth@cygnus.com>
617 * reload.c (push_secondary_reload): When invoking a reload_{in,out}
618 pattern, always allocate a tertiary scratch register.
620 * config/alpha/alpha.md (reload_inqi): Use a DImode scratch.
621 (reload_inhi): Likewise.
623 2000-08-11 Richard Henderson <rth@cygnus.com>
625 * function.c (put_reg_into_stack): Allow type to be NULL.
626 (schedule_fixup_var_refs): Likewise.
627 (gen_mem_addressof): Allow decl to be NULL.
628 (put_addressof_into_stack): Likewise.
630 * flow.c (merge_blocks_nomove): Be more careful about
631 locating the beginning of block A.
633 * combine.c (simplify_shift_const): Obey SHIFT_COUNT_TRUNCATED.
635 Thu Aug 10 22:47:09 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
640 * config.in: Reverted the check for <sched.h>.
642 2000-08-10 Chris Demetriou <cgd@sibyte.com>
644 * mips/elf.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME): New
645 macros define the name of CTOR and DTOR sections.
646 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
647 DTOR_LIST_END): Change to use attributes to specify
649 * mips/elf64.h (CTOR_SECTION_NAME, DTOR_SECTION_NAME,
650 (CTOR_LIST_BEGIN, CTOR_LIST_END, DTOR_LIST_BEGIN,
651 DTOR_LIST_END): Same as in mips/elf.h.
653 2000-08-10 Drew Moseley <dmoseley@redhat.com>
655 * config/mn10300/mn10300.h: Added no-crt0 option for explicitly
656 disabling just crt0.o.
658 2000-08-10 Richard Earnshaw <rearnshaw@arm.com> & Nick Clifton <nickc@cygnus.com>
660 * arm.h (CPP_SPEC): Use sub-spec cpp_interwork.
661 (CPP_INTERWORK_SPEC, CPP_INTERWORK_DEFAULT_SPEC): New sub-specs.
662 (EXTRA_SPECS): Add them.
663 * arm/lib1funcs.asm: Support builds for interworking.
664 Use macros to eliminate duplicated pieces of code.
666 2000-08-10 Kazu Hirata <kazu@hxi.com>
668 * h8300.c (expand_a_rotate): New.
669 (emit_a_rotate): Likewise.
670 (h8300_adjust_insn_length): Add support for the rotate insns.
671 * h8300.md (rotlqi3): New.
672 (*rotlqi3_1): Likewise.
674 (*rotlhi3_1): Likewise.
676 (*rotlhi3_1): Likewise.
677 * h8300-proto.h: Add prototypes for expand_a_rotate and
680 * h8300.c: Fix comment typos.
681 (dosize): Declare the variable amount as unsigned.
682 (get_shift_alg): Fix a comparison between signed and unsigned.
683 (emit_a_shift): Likewise.
684 (h8300_adjust_insn_length): Simplify the code.
686 * c-decl.c: Fix formatting.
688 2000-08-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
690 * c-lex.c (parse_float, yylex): For -Wtraditional, issue a
691 warning about non-traditional numeric constant suffixes.
693 * cppexp.c (parse_number): Likewise.
695 * invoke.texi: (-Wtraditional): Document new behavior.
697 Thu Aug 10 00:11:04 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
699 * gthr-posix.h: Include auto-host.h. Conditionally include
701 * configure.in: Check for the <sched.h> header file.
702 * config.in: Added define for HAVE_SCHED_H.
704 2000-08-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
706 * c-typeck.c (process_init_element): For -Wtraditional, warn about
707 initialization of unions.
709 * invoke.texi (-Wtraditional): Document new behavior.
711 2000-08-09 Zack Weinberg <zack@wolery.cumb.org>
713 * configure.in (--enable-c-cpplib): Uncomment. Use AC_DEFINE
714 instead of extra_c_flags.
715 (--enable-c-mbchar): Use AC_DEFINE instead of extra_c_flags.
716 * configure: Regenerate.
717 * config.in: Regenerate.
719 * cpperror.c (cpp_type2name): New function.
720 * cpplex.c (lex_line): If we issued an error for an invalid
721 preprocessing directive, discard that logical line.
722 * cpplib.c (do_line): Call a hook function if the current file
724 (do_ident): Pass the contents of the string, not the entire
725 token, to the callback function.
726 * cpplib.h (CPP_LAST_PUNCTUATOR): New #define.
727 (cb.rename_file): New hook function.
728 (cb.ident): Adjust prototype.
729 (cpp_type2name): Prototype.
730 * cppmacro.c (dump_macro_args): Correct precedence lossage.
732 * cppmain.c (cb_ident): Update for changed interface.
733 (cb_rename_file): New function.
734 (main): Set rename callback.
736 2000-08-09 Alexandre Oliva <aoliva@redhat.com>
738 * caller-save.c (mark_referenced_regs): Mark partially-overwritten
739 multi-word registers.
741 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
743 * c-common.c (combine_strings, check_format_info): Refer to ISO C
744 or ISO C89 instead of ANSI C.
745 * c-decl.c (grokdeclarator, xref_tag, finish_struct,
746 build_enumerator, do_case): Likewise.
747 * c-lex.c (parse_float, yylex): Likewise.
748 * c-parse.in: Likewise.
749 * c-typeck.c (common_type, build_array_ref, build_binary_op,
750 build_unary_op, pedantic_lvalue_warning, build_conditional_expr,
751 build_c_cast, convert_for_assignment, set_init_index,
752 set_init_label, c_expand_start_case): Likewise.
753 * toplev.c (documented_lang_options, display_help): Likewise.
755 2000-08-08 Kazu Hirata <kazu@hxi.com>
757 * h8300.c: Fix formatting.
759 * h8300.md: Likewise.
760 (movsi_h8300hs): Fix formatting of the resulting assembly code.
762 * reload1.c: Fix formatting.
764 2000-08-08 Rodney Brown <RodneyBrown@mynd.com>
766 * alpha/alpha.c (alpha_emit_xfloating_libcall):
767 Use GEN_CALL_VALUE define.
768 * alpha/alpha.md (untyped_call): Use GEN_CALL define.
769 * clipper/clipper.md (untyped_call): Likewise.
770 * dsp16xx/dsp16xx.md (untyped_call): Likewise.
771 * fx80/fx80.md (untyped_call): Likewise.
772 * mips/mips.md (untyped_call): Likewise.
773 * ns32k/ns32k.md (untyped_call): Likewise.
774 * pa/pa.md (untyped_call): Likewise.
775 * romp/romp.md (untyped_call): Likewise.
776 * sparc/sparc.md (untyped_call): Likewise.
778 2000-08-08 Jason Eckhardt <jle@cygnus.com>
780 * config/i860/i860.c (singlemove_string): Do not generate assembler
781 pseudo instructions that must be expanded (that is, with signed
782 constants larger than 16 bits).
784 2000-08-08 Richard Henderson <rth@cygnus.com>
786 * flow.c (life_analysis): Only turn off PROP_LOG_LINKS and
787 PROP_AUTOINC at -O0. Don't collect alias info at -O0.
788 (init_propagate_block_info): Don't kill memory stores at -O0.
789 (mark_set_1, mark_used_regs): Likewise.
791 2000-08-08 David Edelsohn <edelsohn@gnu.org>
793 * rs6000.c (optimization_options): Decorate 'level' as
795 (mask64_operand): Remove sign-extend thinko.
796 (rldic_operand): New function.
797 (load_multiple_operation): regno's are unsigned ints.
798 (store_multiple_operation): Likewise.
799 (lmw_operation): Likewise.
800 (stmw_operation): Likewise.
801 (includes_lshift_p): shift_mask is unsigned int.
802 (includes_lshift64_p): New function.
803 (addrs_ok_for_quad_peep): unsigned int reg1.
804 (print_operand): Consistently add "else" after
805 output_operand_lossage().
806 (print_operand, case 'b'): Fold in case 'W'.
807 (print_operand, case 'W'): Print rldic MB value.
808 (output_epilogue): Update Objective-C language string.
809 (output_toc): unsigned HOST_WIDE_INT low, compare unsigned.
810 * rs6000.h (PREDICATE_CODES): Add rldic_operand.
811 * rs6000.md (ashldi3): Add rldic instruction.
812 (iordi3, xordi3): Remove redundant "else if CONST_DOUBLE".
813 (cmpsi_internal2, cmpdi_interal2): Use 'b' output template
816 2000-08-08 Richard Henderson <rth@cygnus.com>
818 * config/ia64/ia64-protos.h: Remove duplicates. Update
819 for massive code rearrangements.
820 * config/ia64/ia64.c (ia64_arpfs_regno): Remove.
821 (ia64_rp_regno, ia64_fp_regno, ia64_input_regs): Remove.
822 (ia64_local_regs, ia64_need_regstk): Remove.
823 (ar_ccv_reg_operand): New.
824 (ia64_gp_save_reg): New.
825 (struct ia64_frame_info): Combine most of the size elements;
826 add new gr save elements.
827 (find_gr_spill): New.
828 (next_scratch_gr_reg): New.
829 (mark_reg_gr_used_mask): New.
830 (ia64_compute_frame_size): Rewrite. Allocate special AR regs
831 to GR backing store regs when possible.
832 (ia64_initial_elimination_offset): New.
833 (ia64_rap_fp_offset): Remove.
834 (save_restore_insns): Remove.
835 (setup_spill_pointers): New.
836 (finish_spill_pointers): New.
837 (spill_restore_mem): New.
838 (do_spill, do_restore): New.
839 (ia64_expand_prologue): Rewrite to use them.
840 (ia64_expand_epilogue): Likewise.
841 (ia64_direct_return): Update for current_frame_info changes.
842 (ia64_function_prologue): Simplify .prologue emission. Emit
844 (ia64_setup_incoming_varargs): Don't ever emit rtl.
845 (ia64_dbx_register_number): New.
846 (ia64_initialize_trampoline): New.
847 (ia64_secondary_reload_class): Request GR_REGS for integer
848 arithmetic destined for FR_REGS.
849 (ia64_init_machine_status): Don't reset return_address_pointer_rtx.
850 (ia64_mark_machine_status): Mark ia64_gp_save.
851 (rws_access_regno): Rename from rws_access_reg; don't treat
852 predicates specially.
853 (rws_access_reg): New. Update all callers.
854 (rtx_needs_barrier): Remove dead unspecs.
855 (ia64_epilogue_uses): Mark ar.pfs and ar.unat live on exit.
856 (ia64_encode_section_info): Silence signed/unsigned warnings.
857 (spill_offset, sp_offset, spill_offset_emitted): Remove.
858 (tmp_reg, tmp_saved): Remove.
859 (process_set): Rewrite to expect complicated bits via
860 REG_FRAME_RELATED_EXPR.
861 (ia64_expand_fetch_and_op): Use emit_move_insn; be explicit
862 in the use of ar.ccv; never set RTX_UNCHANGING_P.
863 (ia64_expand_op_and_fetch): Likewise.
864 (ia64_expand_compare_and_swap): Likewise.
865 (ia64_expand_builtin): Likewise.
866 * config/ia64/ia64.h (AR_UNAT_REGNUM): New.
867 (FIRST_PSEUDO_REGISTER): Update.
868 (AR_M_REGNO_P): Update.
869 (FIXED_REGS): Don't mark three local registers as used.
870 (EXTRA_CC_MODES): New.
871 (SELECT_CC_MODE): New.
872 (HARD_REGNO_NREGS): Allow DImode in p0; handle CCImode.
873 (HARD_REGNO_MODE_OK): Disallow CCImode from non-predicates.
874 (FRAME_GROWS_DOWNWARD): Unset.
875 (STARTING_FRAME_OFFSET): Zero.
876 (ELIMINABLE_REGS): Eliminate from the soft to hard frame pointer.
877 (INITIAL_ELIMINATION_OFFSET): Defer to out of line function.
878 (HARD_FRAME_POINTER_REGNUM): New.
879 (CAN_DEBUG_WITHOUT_FP): Define.
880 (TRAMPOLINE_TEMPLATE): Remove.
881 (TRAMPOLINE_SIZE): Lower to 32.
882 (TRAMPOLINE_ALIGNMENT): Lower to 64.
883 (INITIALIZE_TRAMPOLINE): Defer to out of line function.
884 (PREDICATE_CODES): Update.
885 (struct machine_function): Add ia64_gp_save.
886 * config/ia64/ia64.md: Purge unused unspecs.
887 (movsi patterns): Allow moves to/from AR_M_REGS.
888 (movdi patterns): Allow moves to/from p0.
889 (call patterns): Move most setjmp hackery to ia64_gp_save_reg.
890 (gr_spill, gr_restore): Indicate ar.unat read/written.
891 (nonlocal_goto): Don't pass old frame_pointer.
892 (nonlocal_goto_receiver): Remove.
893 (exception_receiver): New.
894 (builtin_setjmp_setup): New.
895 (builtin_setjmp_receiver): New.
896 * config/ia64/lib1funcs.asm (__ia64_save_stack_nonlocal): Bundle.
897 (__ia64_nonlocal_goto): Bundle. Don't kill r7.
898 (__ia64_restore_stack_nonlocal): Likewise.
899 (__ia64_trampoline): New.
900 * config/ia64/sysv4.h (DBX_REGISTER_NUMBER): Defer to out of line
902 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __trampoline.
904 2000-08-08 Richard Henderson <rth@cygnus.com>
906 * frame.h (ia64_frame_state): Add my_psp.
907 * libgcc2.c (ia64_throw_helper): Add throw_sp argument.
908 (__throw): Pass it in. Don't clobber r7.
909 * config/ia64/frame-ia64.c (init_ia64_reg_loc): Mark inline.
910 (execute_one_ia64_descriptor) [mem_stack_v]: Sets psp.when
911 and nothing to do with sp.
912 (normalize_reg_loc): Use frame->my_psp.
913 (frame_translate): Handle frame-pointer-less functions. Set
914 spill_base correctly, in absence of being told.
915 (__build_ia64_frame_state): New sp argument. Fill in frame->my_sp.
916 (__ia64_backtrace_helper): New sp argument. Use
917 builtin_return_address instead of label addresses.
918 (print_record) [mem_stack_v]: No size member.
920 2000-08-08 Richard Henderson <rth@cygnus.com>
922 * regclass.c (choose_hard_reg_mode): Iterate over all CC modes.
924 2000-08-08 Richard Henderson <rth@cygnus.com>
926 * tm.texi (LOCAL_REGNO): Document.
927 * flow.c (LOCAL_REGNO, EPILOGUE_USES): Provide default.
928 (mark_regs_live_at_end): Don't mark LOCAL_REGNO registers.
929 * reload1.c (reload): Likewise when considering nonlocal labels.
931 * config/ia64/ia64.h (LOCAL_REGNO): New.
932 * config/sparc/sparc.h (LOCAL_REGNO): New.
934 2000-08-08 Joseph S. Myers <jsm28@cam.ac.uk>
936 * c-lex.c (yylex): Don't allow integer suffixes 'LUL', 'Ll', 'lL'.
938 2000-08-07 Nick Clifton <nickc@redhat.com>
940 * config/mips/mips.c: Fix compile time warning messages.
941 * config/mips/mips-protos.h: Add prototype for equality_op.
943 * mn10300.h (TARGET_SWITCHES): Document `-mam33'.
945 2000-08-07 Graham Stott <grahams@cygnus.co.uk>
947 * mn10300.md: Use nonimmediate_operand instead of general_operand
950 * mn10300.h (PREFERRED_RELOAD_CLASS): Limit memory reloads.
952 2000-08-07 Alexandre Oliva <aoliva@redhat.com>
954 * sh.h (EXTRA_CONSTRAINT_Q): Adjust to GNU Coding Standards.
955 * sh.c (expand_block_move): Break long lines.
956 (expand_ashiftrt, fpscr_set_from_mem): Likewise.
957 * sh.md (mulsi3): Likewise.
958 (movdi): Adjust spacing.
960 2000-08-07 Richard Henderson <rth@cygnus.com>
962 * expmed.c (store_bit_field): Don't require MEM_IN_STRUCT_P.
963 * expr.c (emit_group_store): Don't set it.
965 2000-08-07 Kazu Hirata <kazu@hxi.com>
967 * invoke.texi (Options for Debugging Your Program or GCC): Remove
968 duplicate entries for 'w' and 'z'.
970 * flow.c: Fix a comment typo.
972 Sun Aug 6 23:47:35 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
974 * c-parse.in: Changed the language string for Objective-C to "GNU
977 Sun Aug 6 11:54:03 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
979 * gthr-posix.h: Integrated Chris Ball's <cball@fmco.com> changes
980 to improve the Posix thread support for Objective-C.
982 2000-08-06 Joseph S. Myers <jsm28@cam.ac.uk>
984 * c-common.h (enum c_tree_index): Add CTI_SIGNED_SIZE_TYPE and
985 CTI_UNSIGNED_PTRDIFF_TYPE.
986 (signed_size_type_node): Define.
987 (unsigned_ptrdiff_type_node): Define.
988 * c-decl.c (init_decl_processing): Create the
989 signed_size_type_node and unsigned_ptrdiff_type_node types.
990 * c-common.c (T_SC): Define.
993 (print_char_table): Use T_SST for %zd, %zi, %zn. Use T_UPD for
994 %to, %tu, %tx, %tX. Allow %hhn (T_SC). Add "c" to the flags for
996 (scan_char_table): Use T_SC for %hhd, %hhi, %hhn. Use T_SST for
997 %zd, %zi, %zn. Use T_UPD for %to, %tu, %tx, %tX. Add "c" to the
998 flags for %c, %s and %[.
999 (check_format_info): Only allow leniency for signedness of targets
1000 of character pointers (when pedantic) for formats flagged with
1001 "c", so for strings but not for %hh formats. When pedantic, don't
1002 allow character pointers to substitute for void pointers if a
1003 second level of indirection is present.
1005 2000-08-06 Kazu Hirata <kazu@hxi.com>
1007 * invoke.texi (Options for Debugging Your Program or GCC): Update
1008 the names of dump files.
1010 * h8300.c (dosize): Rearrange code for conciseness.
1011 (split_adds_subs): Likewise.
1013 * loop.c: Fix formatting.
1015 * dwarf2out.c: Fix formatting.
1017 * tm.texi (FUNCTION_ARG_PARTIAL_NREGS): Fix a typo.
1019 * expr.c: Fix formatting.
1021 2000-08-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1023 * rs6000.c (rs6000_maybe_dead): Prototype.
1025 2000-08-06 Richard Henderson <rth@cygnus.com>
1027 * stmt.c (expand_goto): Do virtual_stack_vars_rtx replacement for
1028 HAVE_nonlocal_goto as well.
1029 * config/i960/i960.md (nonlocal_goto): Don't do it here.
1030 * config/pj/pj.md (nonlocal_goto): Likewise.
1032 2000-08-07 Michael Hayes <mhayes@cygnus.com>
1034 * loop.c (try_swap_copy_prop): New function.
1035 (load_mems): Rename copies to load_copies and add new regset
1036 store_copies. Check for sets of shadow registers and mark
1037 in store_copies. Call try_swap_copy_prop for registers
1038 marked in store_copies.
1040 Sun Aug 6 00:54:42 2000 Ovidiu Predescu <ovidiu@cup.hp.com>
1042 * objc/objc-act.c: New command line option -fconstant-string-class
1043 to allow specifying a user defined constant string class,
1044 different from NXConstantString.
1046 * toplev.c: Moved the Objective-C specific options to
1047 objc/lang-options.h.
1049 * objc/lang-options.h: Moved the Objective-C specific options from
1050 toplev.c. Added -fconstant-string-class.
1052 2000-08-05 Chris Demetriou <cgd@sibyte.com>
1054 * mips/elf.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1055 DTOR_LIST_BEGIN, DTOR_LIST_END): change type of
1056 __CTOR_LIST__ from func_ptr array to just func_ptr, to
1057 avoid extra alignment imposed on arrays.
1058 * mips/elf64.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
1059 DTOR_LIST_BEGIN, DTOR_LIST_END): Likewise.
1061 * mips.h: Clean up comments and spacing near MASKs.
1062 (TARGET_UNIX_ASM): Delete.
1063 (MASK_MIPS16, MASK_NO_CHECK_ZERO_DIV, MASK_CHECK_RANGE_DIV,
1064 MASK_UNINIT_CONST_IN_RODATA): Change values to make mask
1067 2000-08-05 Joseph S. Myers <jsm28@cam.ac.uk>
1069 * c-common.c (print_char_table): Add entries for the X/Open '
1070 format flag (print decimals with locale's thousands grouping
1071 character). Make %C expect wint_t.
1072 (check_format_info): If pedantic, warn when the %n$ operand
1073 number form is used. Allow for the ' flag; warn about it if
1076 2000-08-05 Zack Weinberg <zack@wolery.cumb.org>
1078 * i386.h (FUNCTION_OK_FOR_SIBCALL): Not OK if DECL's return
1079 type is a float mode, cfun->decl's return type is not, and
1080 TARGET_FLOAT_RETURNS_IN_80387.
1082 2000-08-04 Andreas Schwab <schwab@suse.de>
1084 * cppmain.c (cb_def_pragma): Skip the first two tokens from the
1085 token list, which are always `#' and `pragma'.
1087 2000-08-04 Zack Weinberg <zack@wolery.cumb.org>
1089 * tree.c (tree_expr_nonnegative_p): Move to...
1090 * fold-const.c: ... here. Also handle BIND_EXPR and RTL_EXPR.
1091 (rtl_expr_nonnegative_p): New.
1092 * tree.h: Add prototype for rtl_expr_nonnegative_p.
1094 * real.h (CONST_DOUBLE_LOW, CONST_DOUBLE_HIGH, CONST_DOUBLE_MEM,
1095 CONST_DOUBLE_CHAIN: Move to...
1096 * rtl.h: ...here. Use XCINT/XCEXP.
1098 * Makefile.in: Remove toplev.o from OBJS. Add rule to make
1099 libbackend.a; add libbackend.a to STAGESTUFF. Add BACKEND
1100 variable. Use BACKEND when linking cc1, not OBJS. Add BACKEND
1103 * objc/Make-lang.in (cc1obj): Link with $(BACKEND).
1105 2000-08-05 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1107 * config/c4x/c4x.md (return_indirect_internal): New.
1108 * config/c4x/c4x.c (c4x_expand_epilogue): Use it.
1110 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1112 * c-common.c (time_char_table): Mark up formats added in C99 and
1113 make other corrections. %D and %g were added in C99. %Og is an
1114 extension. %EX is permitted. %R, %T, %n, %r, %t were added in
1115 C99. %e was added in C99. %Oj is an extension. %G and %z are in
1116 C99 rather than GNU extensions, but %OG and %Oz are extensions.
1117 %h was added in C99. %C was added in C99. %OY and %OC are
1118 extensions. Add the C99 format %F.
1119 (check_format_info): If pedantic and not in C99 mode, warn for C99
1122 Fri Aug 4 23:01:58 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1124 * function.c (schedule_fixup_var_refs): New function, broken out
1125 of put_reg_into_stack.
1126 (put_reg_into_stack): Use it.
1127 (put_var_into_stack): In CONCAT case, fixup up references for
1128 components only after fixing up references to the whole concat.
1130 2000-08-04 Rodney Brown <RodneyBrown@pmsc.com>
1132 * alias.c (mark_constant_function): Use INSN_P.
1133 (init_alias_analysis): Likewise.
1134 * combine.c (combine_instructions): Use INSN_P.
1135 (can_combine_p): Likewise.
1136 (try_combine): Likewise.
1137 (distribute_notes): Likewise.
1138 (distribute_links): Likewise.
1139 * cse.c (cse_around_loop): Use INSN_P.
1140 (invalidate_skipped_block): Likewise.
1141 (cse_set_around_loop): Likewise.
1142 (cse_end_of_basic_block): Likewise.
1143 (delete_trivially_dead_insns): Likewise.
1144 * emit-rtl.c (unshare_all_rtl_again): Use INSN_P.
1145 (unshare_all_rtl_1): Likewise.
1146 (next_cc0_user): Likewise.
1147 (try_split make_insn_raw): Likewise.
1148 (remove_unnecessary_notes): Likewise.
1149 * final.c (shorten_branches): Use INSN_P.
1150 (leaf_renumber_regs): Likewise.
1151 (leaf_renumber_regs_insn): Likewise.
1152 * flow.c (find_label_refs): Use INSN_P.
1153 (verify_wide_reg): Likewise.
1154 (notice_stack_pointer_modification): Likewise.
1155 (count_or_remove_death_notes): Likewise.
1156 (verify_flow_info): Likewise.
1157 (clear_log_links): Likewise.
1158 * function.c (fixup_var_refs_insns): Use INSN_P.
1159 (compute_insns_for_mem): Likewise.
1160 * gcse.c (alloc_gcse_mem): Use INSN_P.
1161 (compute_sets): Likewise.
1162 (compute_hash_table): Likewise.
1163 (classic_gcse): Likewise.
1165 (insert_insn_end_bb): Likewise.
1166 (delete_null_pointer_checks_1): Likewise.
1167 * global.c (expand_preferences): Use INSN_P.
1168 (build_insn_chain): Likewise.
1169 * graph.c (node_data): Use INSN_P.
1170 * haifa-sched.c (priority): Use INSN_P.
1171 (rm_line_notes): Likewise.
1172 (rm_other_notes): Likewise.
1173 (find_insn_reg_weight): Likewise.
1174 (init_target_units): Likewise.
1175 (schedule_block): Likewise.
1176 (compute_block_forward_dependences): Likewise.
1177 (debug_dependencies): Likewise.
1178 (set_priorities): Likewise.
1179 * integrate.c (function_cannot_inline_p): Use INSN_P.
1180 (save_parm_insns): Likewise.
1181 (copy_insn_list): Likewise.
1182 * jump.c (mark_all_labels): Use INSN_P.
1183 (never_reached_warning): Likewise.
1184 * lcm.c (optimize_mode_switching): Use INSN_P.
1185 * local-alloc.c (validate_equiv_mem): Use INSN_P.
1186 (memref_used_between_p): Likewise.
1187 (update_equiv_regs): Likewise.
1188 (block_alloc): Likewise.
1189 (no_conflict_p): Likewise.
1190 * loop.c (scan_loop): Use INSN_P.
1191 (find_and_verify_loops): Likewise.
1192 (count_loop_regs_set): Likewise.
1193 (loop_reg_used_before_p): Likewise.
1194 (strength_reduce): Likewise.
1195 (recombine_givs): Likewise.
1196 (check_dbra_loop): Likewise.
1197 (load_mems): Likewise.
1198 (try_copy_prop): Likewise.
1199 * print-rtl.c (print_rtx): Use INSN_P.
1200 * recog.c (find_single_use): Use INSN_P.
1201 * reg-stack.c (stack_regs_mentioned): Use INSN_P.
1202 (next_flags_user): Likewise.
1203 (swap_rtx_condition): Likewise.
1204 * regmove.c (mark_flags_life_zones): Use INSN_P.
1205 (optimize_reg_copy_1): Likewise.
1206 (optimize_reg_copy_2): Likewise.
1207 (optimize_reg_copy_3): Likewise.
1208 (reg_is_remote_constant_p): Likewise.
1209 (fixup_match_2): Likewise.
1210 (regmove_optimize): Likewise.
1211 (fixup_match_1): Likewise.
1212 * regrename.c (build_def_use): Use INSN_P.
1213 (replace_reg_in_block): Likewise.
1214 (consider_use): Likewise.
1215 * reload.c (find_equiv_reg): Use INSN_P.
1216 * reload1.c (reload): Use INSN_P.
1217 (maybe_fix_stack_asms): Likewise.
1218 (calculate_needs_all_insns): Likewise.
1219 (reload_as_needed): Likewise.
1220 (emit_output_reload_insns): Likewise.
1221 (delete_address_reloads_1): Likewise.
1222 (reload_cse_regs_1): Likewise.
1223 (reload_combine): Likewise.
1224 (reload_cse_move2add): Likewise.
1225 * reorg.c (redundant_insn): Use INSN_P.
1226 (dbr_schedule): Likewise.
1227 * resource.c (find_dead_or_set_registers): Use INSN_P.
1228 (mark_target_live_regs): Likewise.
1229 * rtlanal.c (reg_used_between_p): Use INSN_P.
1230 (reg_referenced_between_p): Likewise.
1231 (reg_set_between_p): Likewise.
1232 (reg_set_p): Likewise.
1233 (single_set): Likewise.
1234 (multiple_sets): Likewise.
1235 (find_last_value): Likewise.
1236 (reg_set_last): Likewise.
1237 (find_reg_note): Likewise.
1238 (find_regno_note): Likewise.
1239 * sibcall.c (sequence_uses_addressof): Use INSN_P.
1240 * simplify-rtx.c (cselib_process_insn): Use INSN_P.
1241 * ssa.c (find_evaluations): Use INSN_P.
1242 (rename_block): Likewise.
1243 (rename_equivalent_regs): Likewise.
1244 * unroll.c (loop_find_equiv_value): Use INSN_P.
1245 (set_dominates_use): Likewise.
1246 * varasm.c (mark_constant_pool): Use INSN_P.
1247 (mark_constants): Likewise.
1248 * config/alpha/alpha.c (alpha_does_function_need_gp): Use INSN_P.
1249 (alphaev4_next_group): Likewise.
1250 (alphaev5_next_group): Likewise.
1251 * config/c4x/c4x.c (c4x_process_after_reload): Use INSN_P.
1252 (c4x_rptb_rpts_p): Likewise.
1253 * config/mips/mips.c (mips16_optimize_gp): Use INSN_P.
1254 * config/rs6000/rs6000.c (uses_TOC): Use INSN_P.
1255 (rs6000_adjust_priority): Likewise.
1256 * config/sh/sh.c (sh_loop_align): Use INSN_P.
1257 (machine_dependent_reorg): Likewise.
1258 (split_branches): Likewise.
1259 * config/tahoe/tahoe.c (tahoe_cmp_check): Use INSN_P.
1261 Fri Aug 4 11:43:49 2000 John Wehle (john@feith.com)
1263 * combine.c (recog_for_combine): Remove the old notes
1264 prior to attempting to recognize the new pattern.
1265 (distribute_notes): Ignore REG_NONNEG notes.
1267 2000-08-04 Chandrakala Chavva <cchavva@redhat.com>
1269 * varasm.c (output_constructor): Add .align 0 for packed vars.
1271 2000-08-04 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1273 * configure.in: Use default thread_file even when enable_threads is
1274 yes or dce because hpux10.20 pa port uses MULTILIB implementation.
1275 * configure: Rebuilt.
1277 * gthr-dce.h (__gthread_objc_condition_allocate): Fix typo.
1279 2000-08-04 Donn Terry (donnte@microsoft.com)
1281 * prefix.c (translate_name): Don't strip trailing DIR_SEPARATOR.
1283 2000-08-04 Mark Elbrecht <snowball3@bigfoot.com>
1285 * i386/x-djgpp: Delete code that conditionally modifies target_alias.
1286 Delete code that conditionally modifies 'version'.
1287 Delete X_CPPFLAGS. Add comment for SYSTEM_HEADER_DIR.
1288 * i386/xm-djgpp.h (GCC_DRIVER_HOST_INITIALIZATION): New macro.
1289 * gcc.c (main): Use it.
1290 * config/i386/xm-djgpp.h (UPDATE_PATH_HOST_CANONICALIZE): New macro.
1291 * prefix.c (update_path): Use it.
1292 * i386/djgpp.h (STANDARD_INCLUDE_DIR): Define.
1293 (MD_EXEC_PREFIX): Set to '/dev/env/DJDIR/bin/'.
1294 (ASM_OUTPUT_SECTION_NAME): Add code attribute to sections containing
1296 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Default to true.
1297 (SUBTARGET_SWITCHES): Adjust.
1298 (WCHAR_UNSIGNED, WCHAR_TYPE_SIZE, WCHAR_TYPE): Undefine before
1300 (WINT_TYPE, SIZE_TYPE, PTRDIFF_TYPE): Define.
1302 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1304 * c-common.h (flag_isoc94): Declare.
1305 * c-decl.c (flag_isoc94): Define.
1306 (c_decode_option): Set flag_isoc94 as appropriate.
1307 * c-common.c (T_PD, T_IM, T_UIM): Define.
1308 (format_char_info): Add tlen and jlen.
1309 (print_char_table): Add entries for %t and %j. Allow %zn. Allow
1311 (scan_char_table): Add entries for %t and %j. Allow %F. Allow
1313 (time_char_table): Add NULL entries for %t and %j.
1314 (check_format_info): Allow for %t and %j. Warn for %F if pedantic
1315 and not C99. Warn for %lc, %ls and %l[ if pedantic and not C94.
1316 Warn for printf %lf if pedantic and not C99. Don't warn for empty
1317 precision. Allow precision argument to be unsigned int. If
1318 pedantic, warn for %p passed an argument not a pointer to possibly
1319 qualified void or a possibly qualified character type, and for
1320 pointer targets of the wrong sign, except for character pointers.
1322 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1324 * ginclude/stddef.h: Don't declare wint_t unless __need_wint_t.
1325 * c-common.h (enum c_tree_index): Add CTI_WINT_TYPE.
1326 (wint_type_node): Define.
1327 * c-decl.c (WINT_TYPE): Define.
1328 (init_decl_processing): Create the wint_type_node type.
1329 * c-common.c (T_WI): Define.
1330 (print_char_table): Use T_WI for %lc format.
1332 2000-08-04 Bruce Korb <bkorb@gnu.org>
1334 * fixinc/: Verified that the MSDOS patch does not break
1335 the UNIX functionality and applied the next three patches
1338 2000-07-28 Eli Zaretskii <eliz@is.elta.co.il>
1340 * fixinc/fixfixes.c (main) [__MSDOS__]: Avoid overwriting the
1341 output file with the temporary one by appending ".X" to generate
1342 the temporary fuile's name. If the output file already has an
1343 extension, replace it with ".X".
1345 * fixinc/fixincl.c (fix_with_system) [__MSDOS__]: Use $ORIGDIR,
1346 not $DESTDIR, to find applyfix. Use sprintf instead of snprintf;
1347 reallocate the command buffer while copying the command-line
1348 argument. Redirect the output directly to the temporary file,
1349 instead of going through another temporary file.
1350 (process): Close the temporary file before unlinking it.
1351 (machine_matches) [__MSDOS__]: If the machine doesn't match, set
1352 the FD_SKIP_TEST flag. Pay attention to the FD_MACH_IFNOT flag.
1353 (run_compiles): Pass p_fixd argument to machine_matches, as it
1356 * fixinc/fixincl.sh: Export ORIGDIR. If $DJDIR is set in the
1357 environment, assume there are no symlinks in the include
1358 directory. When cleaning up the DONE files, look for them
1359 case-insensitively. Don't try to remove symlinks if they aren't
1362 * fixinc/fixlib.c (make_raw_shell_str): Accept new argument smax;
1363 all callers changed. Declare pz "const char *", to avoid compiler
1366 * fixinc/fixlib.h (ENV_TABLE): Get ORIGDIR from the environment.
1367 Change prototype of make_raw_shell_str.
1369 2000-07-27 Eli Zaretskii <eliz@is.elta.co.il>
1371 * fixinc/fixincl.c [__MSDOS__]: Don't include "server.h".
1372 (initialize) [__MSDOS__]: Use tempnam.
1373 (initialize): Don't use SIGPIPE if it is not defined.
1375 * fixinc/fixfixes.c (main) [__MSDOS__]: freopen for stdout should
1378 2000-07-25 Bruce Korb <bkorb@gnu.org>
1380 * fixinc/fix*.[ch]: substantially reworked to make it possible
1381 to run this program without using fork(2) or pipe(2) (i.e. in
1384 2000-08-04 Joseph S. Myers <jsm28@cam.ac.uk>
1386 * cppdefault.h (WINT_TYPE): Define.
1387 * cppinit.c (builtin_array): Define __WINT_TYPE__.
1388 * tradcpp.c (initialize_builtins): Define __WINT_TYPE__.
1389 * tm.texi (NO_BUILTIN_WINT_TYPE, WINT_TYPE): Document.
1391 Fri Aug 4 06:53:46 2000 Clinton Popetz <cpopetz@cygnus.com>
1393 * (mips_legitimate_address_p): Don't allow register+offset
1394 if the offset is large and negative, and we are compiling
1395 for 64 bit registers.
1397 2000-08-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1399 * gencodes.c (main): Define CODE_FOR_nothing as the last possible
1400 insn_code_number + 1.
1402 2000-08-04 Kazu Hirata <kazu@hxi.com>
1404 * h8300.c (function_prologue): Rearrange code for conciseness.
1405 (function_epilogue): Likewise.
1406 * h8300.h (OK_FOR_U): Fix formatting.
1408 * cse.c: Fix a comment typo. Fix formatting.
1410 2000-08-03 Richard Henderson <rth@cygnus.com>
1412 * config/i386/i386.md (return_indirect_internal): New.
1413 * config/i386/i386.c (ix86_expand_epilogue): Use it.
1415 2000-08-03 Zack Weinberg <zack@wolery.cumb.org>
1417 * cpplex.c (parse_name): Might have to glue a CPP_OTHER token
1419 (lex_line): Glue @ onto the beginning of identifiers and
1420 string constants, in Objective-C mode.
1421 (output_token, spell_token): Handle CPP_OSTRING.
1422 (can_paste, maybe_paste_with_next): Handle pasting @ onto the
1423 beginning of a NAME or a STRING, in objc mode.
1425 * cpplib.c (get_define_node): Do not permit identifiers that
1426 begin with @ to be #defined.
1427 * cppmacro.c (CAN_PASTE_AFTER): Add CPP_OTHER.
1428 * cpplib.h (TTYPE_TABLE): Add CPP_OSTRING.
1430 * c-lang.c, objc/objc-act.c (build_objc_string): Delete.
1431 * c-tree.h (build_objc_string): Delete prototype.
1432 * objc/objc-tree.def: Delete OBJC_STRING_CST.
1433 * c-lex.c (yylex): Use build_string for all three kinds of strings.
1435 * c-parse.in, objc/objc-act.c: Update commentary.
1437 2000-08-03 Mark Mitchell <mark@codesourcery.com>
1439 * extend.texi: Fix typo in last change.
1441 * extend.texi: Add commentary on statement-expressions and their
1442 interactions with C++.
1444 2000-08-03 Nick Clifton <nickc@cygnus.com>
1446 * dwarf2.h (DW_LANG_Java): Change value to 0x000b.
1447 * dwarf.h (LANG_JAVA): Change value to 0x000b.
1449 2000-08-03 Anthony Green <green@cygnus.com>
1451 * dwarf2out.c (gen_compile_unit_die): Add java language support.
1452 (add_bound_info): Check for java language.
1453 (is_java): New function.
1454 * dwarfout.c (output_compile_unit_die): Ditto.
1455 * dwarf.h (dwarf_source_language): Add java source language type.
1456 * dwarf2.h (dwarf_source_language): Ditto.
1458 Thu Aug 3 20:32:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
1460 * reg-stack.c (subst_stack_regs_pat): Use replace_reg to swap
1463 * i386.c (ix86_expand_branch): Mode of comparison in
1464 IF_THEN_ELSE is VOIDmode.
1466 Thu Aug 3 10:05:53 2000 Akiko Matsushita <matusita@sra.co.jp>
1468 * gengenrtl.c, rtl.c: Avoid #elif.
1470 2000-08-03 Michael Poole <poole@troilus.org>
1472 * tm.texi (Register Classes): Clarify order of sub-initializers
1473 in REG_CLASS_CONTENTS.
1475 Thu Aug 3 15:53:03 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1477 From SAITOH Masanobu:
1478 * sh.h (ASM_OUTPUT_REG_PUSH): Fix syntax.
1480 2000-08-03 David Billinghurst <David.Billinghurst@riotinto.com.au>
1482 * config/i386/cygwin.h: Remove -remap from CPP_SPEC since this option
1483 is not supported by tradcpp and isn't actually needed for cygwin.
1485 2000-08-03 Kazu Hirata <kazu@hxi.com>
1487 * h8300.c: Fix a comment typo.
1488 * h8300.h (OK_FOR_U): Accept a 32-bit constant address on H8/S.
1490 * jump.c: Fix formatting.
1492 * toplev.c: Fix formatting.
1494 Thu Aug 3 01:05:32 2000 Jeffrey A Law (law@cygnus.com)
1496 * flow.c (find_auto_inc): Verify that we've got a REG before
1497 peeking at its regno. Fail, don't abort if we can't find
1498 the increment of the desired register.
1500 * pa.md (shadd height reduction patterns/splitters): Remove.
1502 2000-08-02 Jim Wilson <wilson@cygnus.com>
1504 * config/ia64/ia64-protos.h (flag_ssa): Declare.
1505 * config/ia64/ia64.md (movti_internal, movti_internal+1): New.
1507 2000-08-02 Mark Mitchell <mark@codesourcery.com>
1509 * dce.c: Remove all uses of assert.
1510 * dwarf2out.c: Likewise.
1511 * dwarfout.c: Likewise.
1514 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1516 * gcc.h (lang_specific_driver): Constify second argument.
1517 * gcc.c (translate_options, process_command, main): Likewise.
1518 Constify variables to match. Cast second argument to
1521 * cppspec.c, gccspec.c: Adjust type of second argument to
1522 lang_specific_driver, and update code as necessary.
1524 2000-08-02 Jakub Jelinek <jakub@redhat.com>
1526 * loop.c (scan_loop): Ensure update_end label does not
1527 go away until reg_scan_update is run.
1529 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1531 * c-common.h: Prototype min_precision and c_build_qualified_type here...
1532 * c-tree.h: ... not here.
1533 * errors.h: Prototype fancy_abort.
1535 * emit-rtl.c (gen_lowpart_common): Move variable 'c' into
1536 HOST_BITS_PER_WIDE_INT == 64 ifdef block.
1537 * regrename.c (regrename_optimize): Make control flow explicit.
1538 (replace_reg_in_block): Initialize reg_use to 0.
1540 * i386.c (legitimate_address_p): Rename error label to
1541 report_error to avoid namespace clash.
1543 2000-08-02 Kazu Hirata <kazu@hxi.com>
1545 * fold-const.c: Fix formatting.
1547 Wed Aug 2 16:26:15 MET DST 2000 Jan Hubicka <jh@suse.cz>
1549 * i386.c (legitimate_address_p): Accept other bases than
1550 pic_offset_table_rtx for GOTOFF constructs.
1552 Wed Aug 2 15:59:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
1554 * i386.md (shift to lea splitter): Use const_int_operand.
1556 2000-08-02 Zack Weinberg <zack@wolery.cumb.org>
1558 * cppexp.c, cppinit.c, cpplex.c, cpplib.c, cppmacro.c,
1559 cppspec.c: Do not use 'legal' or 'illegal' in error messages
1562 * cppmain.c (cb_define, cb_undef): Don't generate any output
1563 if not done_initializing.
1564 * cpplex.c (maybe_paste_with_next): When the token after a ##
1565 is an omitted rest argument, only delete the token before it
1566 if that token is a comma. Do not warn about bogus token
1567 pastes for , ## rest_arg.
1570 * cpp.1: Regenerate.
1572 2000-08-02 Fred Fish <fnf@be.com>
1574 * config/i386/beos-elf.h (STARTFILE_SPEC): Add i386-mcount.o
1575 when user gives -p option. Add init_term_dyn.o for BeOS 5.0
1578 * config/i386/beos-elf.h (INCLUDE_DEFAULTS): Add additional
1579 Be directories to search path.
1581 Remove support for __declspec(dllimport) and __declspec(dllexport).
1582 This is leftover cruft from the earlier BeOS gcc port when BeOS
1583 used Microsoft's PE object file format.
1584 * configure.in (i*86-*-beoself): Remove extra_objs=winnt.o.
1585 * config/i386/t-beos (winnt.o): Remove Makefile frag.
1586 * config/i386/beos-elf.h (TARGET_NOP_FUN_DLLIMPORT): Remove.
1587 (VALID_MACHINE_DECL_ATTRIBUTE): Remove.
1588 (VALID_MACHINE_TYPE_ATTRIBUTE): Remove.
1589 (MERGE_MACHINE_DECL_ATTRIBUTES): Remove.
1590 (REDO_SECTION_INFO_P): Remove.
1591 (ASM_EXPORT_DECL): Remove.
1592 (ASM_DECLARE_FUNCTION_NAME): Remove.
1593 (ASM_DECLARE_OBJECT_NAME): Remove.
1594 (ASM_OUTPUT_ALIGNED_COMMON): Remove.
1595 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Remove.
1596 (ASM_OUTPUT_ALIGNED_LOCAL): Remove.
1597 (STRIP_NAME_ENCODING): Remove.
1599 Remove support for obsolete version of BeOS that is no longer
1601 * configure.in (i*86-*-beospe*): Remove.
1602 * config/i386/beos-pe.h: Remove.
1604 2000-08-01 Jeffrey Oldham <oldham@codesourcery.com>
1605 Mark Mitchell <mark@codesourcery.com>
1607 * Makefile.in (OBJS): Added dce.o.
1608 (ssa.o): Updated target to include ssa.h.
1610 (toplev.o): Likewise.
1611 (dce.o): Created target.
1612 * basic-block.h: Added comments.
1613 (INVALID_BLOCK): Added definition.
1614 (connect_infinite_loops_to_exit): Added declaration.
1615 Moved SSA declarations to ssa.h.
1616 * flow.c: Added inclusion of ssa.h.
1617 (struct depth_first_search_dsS, depth_first_search_ds):
1619 (compute_immediate_postdominators): Added definition.
1620 (connect_infinite_loops_to_exit): Likewise.
1621 (flow_dfs_compute_reverse_init): Likewise.
1622 (flow_dfs_compute_reverse_add_bb): Likewise.
1623 (flow_dfs_compute_reverse_execute): Likewise.
1624 (flow_dfs_compute_reverse_finish): Likewise.
1625 * rtl.h (rtx/in_struct): Added use to determine insn necessity.
1626 (LABEL_P): Added definition.
1629 (BARRIER_P): Likewise.
1630 (JUMP_TABLE_DATA_P): Likewise.
1631 (INSN_DEAD_CODE_P): Likewise.
1632 * ssa.c: Replaced inclusions with ssa.h inclusion.
1633 (CONVERT_HARD_REGISTER_TO_SSA_P): Moved to ssa.h.
1634 (rename_registers): Removed unnecessary variables.
1635 * ssa.h: Created by moving declarations from ssa.c and
1637 * timevar.def: Defined TV_DEAD_CODE_ELIM.
1638 * toplev.c: Added ssa.h inclusion.
1639 (dump_file_index): Added DFI_dce.
1640 (dump_file): Added "dce" entry.
1642 (f_options): Added dce entry.
1643 * invoke.texi: Document -fdce. Emphasize experimental status of
1647 2000-08-01 Zack Weinberg <zack@wolery.cumb.org>
1649 * cpperror.c (v_message): Split into _cpp_begin_message and
1650 v_message macro. All callers updated.
1651 (_cpp_begin_message): Do inhibit_errors/inhibit_warnings
1654 * cppfiles.c (cpp_syshdr_flags): New function.
1655 (read_include_file): Don't call cpp_output_tokens. Call
1657 * cppinit.c (dump_macros_helper): Moved to cppmain.c.
1658 (cpp_reader_init): Don't initialize token_buffer. Call
1659 _cpp_init_internal_pragmas.
1660 (cpp_cleanup): Don't clear token_buffer.
1661 (cpp_start_read): Don't worry about output from -D processing.
1662 Don't call cpp_output_tokens.
1663 (cpp_finish): Don't dump macros here. Don't call
1665 * cppmacro.c (_cpp_dump_definition): Rename
1666 cpp_dump_definition. Write directly to a FILE *.
1667 (dump_funlike_macro): Delete.
1668 (dump_macro_args): New.
1670 * cpplex.c (TOKEN_LEN): Convert to inline function.
1671 (_cpp_grow_token_buffer, safe_fwrite, cpp_output_tokens,
1672 cpp_scan_line, _cpp_dump_list): Delete.
1673 (cpp_printf, cpp_output_list): New.
1674 (output_line_command): Don't worry about entering or leaving files.
1675 (cpp_scan_buffer): Just output each token as we hit it.
1676 (process_directive): Don't call cpp_output_tokens.
1677 (_cpp_glue_header_name): Don't use token_buffer.
1678 (output_token, dump_param_spelling): Write directly to a FILE *.
1680 * cpplib.c (pass_thru_directive, dump_macro_name,
1681 pragma_dispatch, do_pragma_gcc): Delete.
1682 (do_define, do_undef, parse_include, do_line, do_ident, do_pragma,
1683 do_pragma_poison, cpp_pop_buffer): Call the appropriate hook
1685 (do_error, do_warning, pragma_dependency): Call
1686 _cpp_begin_message, then cpp_output_list.
1687 (cpp_register_pragma, cpp_register_pragma_space,
1688 _cpp_init_internal_pragmas): New.
1689 (do_pragma): Walk the pragmas table here.
1690 (do_pragma_once, do_pragma_poison, do_pragma_system_header,
1691 do_pragma_dependency): Return void.
1692 (do_pragma_implementation): Moved to cppmain.c.
1694 * cpplib.h: Update prototypes.
1695 (struct cpp_reader): Remove printer, token_buffer,
1696 token_buffer_size, and limit. Add struct cb, and pragmas.
1697 (struct cpp_printer): Remove last_id and written.
1698 (CPP_WRITTEN, CPP_PWRITTEN, CPP_SET_WRITTEN,
1699 CPP_ADJUST_WRITTEN): Delete.
1700 * cpphash.h: Update prototypes.
1701 (ufputs): New wrapper.
1703 * cppmain.c (cb_define, cb_undef, cb_include, cb_ident,
1704 cb_enter_file, cb_leave_file, cb_def_pragma): New functions.
1705 (main): Set up callbacks. Register #pragma implementation.
1706 Dump macros from here.
1708 2000-08-01 Geoff Keating <geoffk@cygnus.com>
1710 * rtl.h (enum reg_note): Add REG_MAYBE_DEAD.
1711 * rtl.c (reg_note_name): Add REG_MAYBE_DEAD.
1712 * flow.c (propagate_one_insn): Allow deletion of prologue/epilogue
1713 insns if they have a REG_MAYBE_DEAD note attached.
1714 * config/rs6000/rs6000.c (rs6000_maybe_dead): New function.
1715 (rs6000_emit_load_toc_table): TOC loads may go dead.
1717 2000-08-01 Jim Wilson <wilson@cygnus.com>
1719 * config/ia64/ia64.c (ia64_function_arg): Fix last change. Verify
1720 type exists before using it. Use number of words as alignment
1722 (ia64_function_arg_partial_nregs, ia64_function_arg_advance,
1723 ia64_va_arg): Propagate ia64_function_args changes here.
1725 2000-08-01 Richard Henderson <rth@cygnus.com>
1727 * config/elfos.h (ASM_DECLARE_OBJECT_NAME): Care for null DECL.
1728 * config/ia64/sysv4.h (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Likewise.
1730 2000-08-01 Bernd Schmidt <bernds@cygnus.co.uk>
1732 From Joern Rennecke:
1733 * sh.h (CPP_SPEC, TARGET_SWITCHES): Add m4-nofpu.
1734 * sh.md (udivsi3, divsi3): Don't use libcalls that use the FPU
1735 unless TARGET_SH3E is set.
1736 * t-sh (MULTILIB_MATCHES): Add m2=m4-nofpu.
1738 * sh.md (ashlsi3_d, ashlsi3_k): Remove, replace with
1739 (ashlsi3_std): New pattern.
1740 (ashlsi3 expander): Use it for TARGET_SH3.
1741 * sh.c (gen_ashift): Use it instead of ashlsi3_k.
1743 Tue Aug 1 12:34:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
1745 * loop.c (canonicalize_condition): Use destination, not source to
1746 determine SET's mode.
1748 2000-07-31 Mark Mitchell <mark@codesourcery.com>
1750 * flow.c (clear_log_links): Fix typo.
1752 Mon Jul 31 22:19:24 2000 Jeffrey A Law (law@cygnus.com)
1754 * loop.c (check_dbra_loop): Make change from July 17, 2000 work
1755 on targets which need more than one insn for a compare/cbranch
1758 2000-07-31 Jim Wilson <wilson@cygnus.com>
1760 * config/ia64/ia64.c (ia64_function_arg): Use alignment not size
1761 when computing offset.
1763 Mon Jul 31 20:35:50 2000 Denis Chertykov <denisc@overta.ru>
1765 * genpeep.c (main): Handle DEFINE_PEEPHOLE2.
1767 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1769 * flow.c (clear_log_links): Nuke global_live_at_start and
1770 global_live_at_end data, since if the log_links stuff is invalid
1771 so is global_live_at_*.
1773 2000-07-31 Richard Henderson <rth@cygnus.com>
1775 * tm.texi (Addressing Modes): Clarify PRE/POST_MODIFY descriptions.
1777 2000-07-31 Jakub Jelinek <jakub@redhat.com>
1779 * cpplex.c (_cpp_get_line): If index is 0, return line 0 col 0.
1780 (_cpp_get_token): Don't macro expand a just pasted token if it
1781 was pasted at no_expand_level.
1783 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1785 * cppmacro.c (find_param, count_params, save_expansion):
1786 Permit 'defined' as a macro parameter name.
1788 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1790 * Makefile.in: Rename cpp to cpp0, tradcpp to tradcpp0, and
1791 xcpp to cpp throughout.
1792 (native): Remove unnecessary dependency on cpp.
1794 * gcc.c (trad_capable_cpp, C specs): Rename cpp to cpp,
1795 tradcpp to tradcpp0.
1796 (.i spec): Add missing output-file spec to cc1 command line.
1797 * objc/lang-specs.h: Rename cpp to cpp0 and/or tradcpp to tradcpp0.
1799 2000-07-31 Zack Weinberg <zack@wolery.cumb.org>
1801 * c-decl.c (mesg_implicit_function_declaration): Init to -1.
1802 (implicit_decl_warning): New function.
1803 (implicitly_declare): Use it.
1804 * c-typeck.c (build_external_ref): Use implicit_decl_warning
1805 to complain about implicit decls of builtins.
1807 * c-lang.c (lang_init): Set mesg_implicit_function_declaration
1808 based on pedantic && flag_isoc99, if not already set.
1809 * c-tree.h: Declare mesg_implicit_function_declaration.
1810 Prototype implicit_decl_warning.
1812 2000-07-30 Jeffrey D. Oldham <oldham@codesourcery.com>
1814 * Makefile.in (ssa.o): Updated header files in dependences.
1815 * basic-block.h: Added compute_immediate_postdominators declaration.
1816 * config/i386/i386.h (CONVERT_HARD_REGISTER_TO_SSA_P): Added
1818 * flow.c (compute_immediate_dominators): Updated comment.
1819 (compute_immediate_postdominators): Added definition.
1820 * rtl.h (HARD_REGISTER_P): Added definition.
1821 * ssa.c: Include additional header files.
1822 (assert): Added definition.
1823 (ssa_rename_to_lookup): Added to reimplement ssa_rename_to to
1824 include select hard registers.
1825 (ssa_rename_to_insert): Likewise.
1826 (ssa_rename_from_initialize): Likewise.
1827 (ssa_rename_from_lookup): Likewise.
1828 (original_register): Likewise.
1829 (ssa_rename_from_insert): Added to reimplement ssa_rename_from to
1830 include select hard reigsters.
1831 (ssa_rename_from_traverse): Likewise.
1832 (ssa_rename_from_free): Likewise.
1833 (ssa_rename_from_print): Likewise.
1834 (ssa_rename_from_print_1): Likewise.
1835 (ssa_rename_from_hash_function): Likewise.
1836 (ssa_rename_from_equal): Likewise.
1837 (ssa_rename_from_delete): Likewise.
1838 (simplify_to_immediate_dominators): Removed in favor of
1839 flow.c:compute_immediate_dominators.
1840 (find_evaluations_1): Modified to work with hard registers.
1841 (insert_phi_node): Likewise.
1842 (insert_phi_nodes): Likewise.
1843 (struct rename_set_data): Updated prev_reg comment.
1844 (create_delayed_rename): Modified to work with hard registers.
1845 (RENAME_NO_RTX): Updated comment.
1846 (apply_delayed_renames): Modified to work with hard registers.
1847 (rename_insn_1): Likewise and added handling of CLOBBER rtls.
1848 (rename_block): Updated to use revised ssa_rename_to interface.
1849 (rename_registers): Updated to use revised ssa_rename_to and
1850 ssa_rename_from interface.
1851 (convert_to_ssa): Revised to use compute_immediate_dominators and
1852 deal with hard registers.
1853 (make_regs_equivalent_over_bad_edges): Modified to work with hard
1854 registers. Added check for illegal unification of hard register.
1855 (make_equivalent_phi_alternatives_equivalent): Modified to work
1856 with hard registers.
1857 (compute_conservative_reg_partition): Likewise.
1858 (coalesce_if_unconflicting): Modified to work with hard registers
1859 and check for conflicting hard registers.
1860 (mark_phi_and_copy_regs): Revised loop to work only on pseudo
1862 (rename_equivalent_regs_in_insn): Modified to work with hard
1864 (record_canonical_element_1): Added definition.
1865 (check_hard_regs_in_partition): Added definition.
1866 (convert_from_ssa): Added data structure deallocation and check
1867 for illegal hard register unification.
1868 (conflict_hard_regs_p): Added definition.
1869 * toplev.c (rest_of_compilation): Added comment.
1871 2000-07-31 Anthony Green <green@redhat.com>
1873 * config/ia64/crtbegin.asm (__EH_FRAME_BEGIN__): Align correctly.
1875 2000-07-31 Jason McMullan <jmcmullan@linuxcare.com>
1877 * builtins.c (expand_builtin_apply): Don't defer pop during
1880 2000-07-31 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1882 * calls.c (combine_pending_stack_adjustment_and_call): Only use
1883 preferred_unit_stack_boundary when it is > 1.
1885 2000-07-31 Joseph S. Myers <jsm28@cam.ac.uk>
1887 * c-common.c (init_function_format_info): Add C99 format functions
1890 * c-decl.c (get_parm_info): Don't treat 'const void', 'volatile
1891 void' or 'register void' as being the special case of 'void' alone
1892 in a parameter list.
1894 * c-typeck.c (build_c_cast): Change -Wcast-qual pedwarn for
1895 discarding qualifiers into a plain warning.
1897 2000-07-31 Kazu Hirata <kazu@hxi.com>
1899 * combine.c: Fix formatting.
1901 * h8300.md: Fix formatting.
1903 * local-alloc.c: Fix formatting.
1905 * h8300.c (get_shift_alg): Remove the variable alg.
1906 (emit_a_shift): Rearrange code to improve readability.
1908 * h8300.md (movsi_h8300hs): Rearrange code to improve readability.
1910 * h8300.h (MODES_TIEABLE_P): Accept a combination of QImode and
1911 HImode on all architectures and a combination of HImode and SImode
1912 on H8/300H and H8/S.
1914 * h8300.c (split_adds_subs): Rearrange code for conciseness.
1916 Mon Jul 31 12:27:55 MET DST 2000 Jan Hubicka <jh@suse.cz>
1918 * i386.md (addsi to lea splitter, ashlqi3_1_lea): Fix bugs
1921 Mon Jul 31 10:41:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
1923 * recog.c (extract_insn): Set operand_mode according to
1924 operand if match_operand is VOIDmode.
1926 Mon Jul 31 10:36:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
1928 * recog.c (validate_replace_rtx_1): Do not abort for (nil) expression.
1930 2000-07-31 Geoff Keating <geoffk@cygnus.com>
1932 * c-parse.in (extdefs): Call ggc_collect between external
1935 2000-07-30 Michael Hayes <mhayes@cygnus.com>
1936 Richard Henderson <rth@cygnus.com>
1938 * Makefile.in (OBJS): Add doloop.o.
1939 * doloop.c: New file.
1941 * final.c (insn_current_reference_address): Return 0 before final.
1942 * flags.h (flag_branch_on_count_reg): Fix typos in commentary.
1943 * jump.c (any_uncondjump_p): Likewise.
1944 * loop.c (indirect_jump_in_function): Make static.
1945 (strength_reduce): Call doloop_optimize.
1946 (insert_bct, instrument_loop_bct): Remove.
1947 * loop.h (doloop_optimize): Prototype.
1948 * recog.c (split_all_insns): Split all INSN_P.
1949 * toplev.c (flag_branch_on_count_reg): Default on.
1951 * config/c4x/c4x.c (c4x_optimization_options): Don't set
1952 flag_branch_on_count_reg.
1953 * config/i386/i386.c (override_options): Likewise.
1954 * config/rs6000/rs6000.c (optimization_options): Likewise.
1956 * config/i386/i386.md (decrement_and_branch_on_count): Remove.
1958 (dbra_ge): Remove, as well as all it's splitters.
1960 * config/rs6000/rs6000.md (decrement_and_branch_on_count): Remove.
1963 * config/ia64/ia64-protos.h (ar_lc_reg_operand): Declare.
1964 (ia64_register_move_cost): Declare.
1965 * config/ia64/ia64.c (ar_lc_reg_operand): New.
1966 (struct ia64_frame_info): Add ar_size.
1967 (ia64_compute_frame_size): Set it.
1968 (save_restore_insns): Save and restore ar.lc.
1969 (ia64_register_move_cost): New, moved from header file. Handle
1970 application registers.
1971 (REG_AR_PFS, REG_AR_EC): Remove. Replace with AR_*_REGNUM numbers.
1972 (emit_insn_group_barriers): Special case doloop_end_internal.
1973 (ia64_epilogue_uses): Mark ar.lc live at end.
1974 * config/ia64/ia64.h (AR_CCV_REGNUM, AR_LC_REGNUM): New registers.
1975 (AR_EC_REGNUM, AR_PFS_REGNUM): New registers.
1976 (FIRST_PSEUDO_REGISTER): Make room.
1977 (AR_M_REGNO_P, AR_I_REGNO_P, AR_REGNO_P): New.
1978 (FIXED_REGISTERS, CALL_USED_REGISTERS): Update.
1979 (REG_ALLOC_ORDER): Update.
1980 (HARD_REGNO_MODE_OK): Update.
1981 (REGISTER_NAMES): Update.
1982 (enum reg_class): Add AR_M_REGS and AR_I_REGS.
1983 (REG_CLASS_NAMES, REG_CLASS_CONTENTS): Update.
1984 (REGNO_REG_CLASS): Update.
1985 (LEGITIMATE_ADDRESS_DISP): Displacement range is 9 bits, not 10.
1986 (REGISTER_MOVE_COST): Move out of line.
1987 (PREDICATE_CODES): Update.
1988 * config/ia64/ia64.md (movdi patterns): Handle ar register classes.
1989 (addsi3_plus1_alt, adddi3_plus1_alt): New.
1990 (shladd_elim splitter): Allow constants in the predicate.
1991 (doloop_end, doloop_end_internal): New.
1993 2000-07-30 Richard Henderson <rth@cygnus.com>
1995 * genattrtab.c (struct insn_def): Add lineno member.
1996 (struct insn_ent): Likewise.
1997 (struct attr_desc): Likewise.
1998 (struct delay_desc): Likewise.
1999 (struct function_unit_op): Likewise.
2000 (struct function_unit): Likewise.
2001 (check_attr_value): Use message_with_line.
2002 (check_defs): Likewise.
2003 (expand_units): Likewise.
2004 (check_attr_test): Take a lineno argument.
2005 (gen_attr): Likewise.
2006 (gen_insn): Likewise.
2007 (gen_delay): Likewise.
2008 (gen_unit): Likewise.
2009 (main): Give it to them.
2010 (convert_set_attr_alternative): Take an insn_def argument
2011 instead of num_alt and insn_index.
2012 (convert_set_attr): Likewise.
2013 (write_test_expr): Protect INSN_ADDRESSES load
2014 with INSN_ADDRESSES_SET_P.
2016 2000-07-30 Richard Henderson <rth@cygnus.com>
2018 * flow.c (init_propagate_block_info): Use pc_set.
2020 Sun Jul 30 20:58:34 MET DST 2000 Jan Hubicka <jh@suse.cz>
2022 * i386.md (*lea_general_[123]) New insns and splits.
2023 (addsi3 to lea splitter): Handle other modes too.
2024 (shlsi3 to lea splitter): Likewise.
2025 (addhi_1_lea, shlhi_1_lea): New patterns.
2026 (addhi_1, shlhi_1): Conditionize by PARTIAL_REG_STALL.
2028 Sun Jul 30 20:51:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
2030 * recog.c (general_operand, nonimmediate_operand): Accept
2031 any mode for VOIDmode CONSTANT_P operands.
2033 Sun Jul 30 20:42:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2035 * gcse.c (try_replace_reg): Use validate_replace_rtx_subexp
2036 instead of replace_rtx.
2037 * recog.c (validate_replace_rtx_subexp): New function.
2038 * recog.h (validate_replace_rtx_subexp): Declare.
2040 Sun Jul 30 20:38:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2042 * combine.c (simplify_set, make_extraction, make_compound_operation
2043 make_field_assignment): Use full mask instead of GET_MODE_MASK (mode)
2044 as force_to_mode argument.
2046 Sun Jul 30 20:30:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
2048 * combine.c (if_then_else_cond): Be sure that mode fits in
2051 Sun Jul 30 20:27:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2053 * combine.c (record_promoted_value): Allow bitsize of mode
2054 to be equivalent to HOST_BITS_PER_WISE_INT.
2056 Sun Jul 30 20:25:21 MET DST 2000 Jan Hubicka <jh@suse.cz>
2058 * function.c (assign_stack_local_1, assign_stack_temp_for_type):
2059 Do not call gen_mode_alignment when mode is BLKmode.
2061 Sun Jul 30 20:21:54 MET DST 2000 Jan Hubicka <jh@suse.cz>
2063 * loop.c (express_from_1): Fix call of simplify_gen_binary.
2065 Sun Jul 30 20:08:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
2067 * simplify-rtx.c (simplify_relational_operation): Verify that mode ==
2068 VOIDmode implies both operands to be VOIDmode.
2069 (simplify_ternary_operation): Compute properly the mode of comparison.
2070 * combine.c (combine_simplify_rtx): Likewise.
2072 2000-07-25 Michael Hayes <mph@paradise.net.nz>
2074 * basic-block.h (struct loops): New field rc_order.
2075 * flow.c (flow_loops_cfg_dump): Dump rc_order if computed.
2076 (flow_loops_free): Free rc_order.
2077 (flow_depth_first_order_compute): New parameter rc_order.
2078 (flow_loops_find): Allocate rc_order and swap usage with
2081 2000-07-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2082 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2084 * config/c4x/c4x.md (set_ldp_prologue): Add for RTL prologue/epilogue.
2085 (push_st, push_dp, pop_st, pop_dp, popqi_unspec): Likewise.
2086 (nodb_call, return_from_epilogue): Likewise.
2087 (return_from_interrupt_epilogue, prologue, epilogue): Likewise.
2088 * config/c4x/c4x.c (c4x_expand_prologue, c4x_expand_eplilogue): Add.
2089 * config/c4x/c4x-protos.h (c4x_interrupt_function_p): Add.
2090 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2091 (c4x_valid_type_attribute_p): Likewise.
2092 * config/c4x/c4x.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Delete.
2093 (FUNCTION_BLOCK_PROFILER_EXIT): Convert to emit RTL.
2095 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2097 * config/c4x/c4x.c (c4x_emit_move_sequence): Use loadqi_big_constant
2098 and loadhi_big_constant if applicable.
2099 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant): Tweak
2100 and add new splitter.s
2102 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2104 * config/c4x/c4x.c (c4x_rptb_insert): Make more robust.
2106 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2108 * config/c4x/c4x.h (ASM_FORMAT_PRIVATE_NAME): Output $ in label.
2110 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2112 * config/c4x/c4x.h (IS_XXX_REGNO): Rewrite to avoid unsigned warnings.
2114 2000-07-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2116 * config/c4x/libgcc.S (divqf3): Improve accuracy.
2118 2000-07-27 Mark Mitchell <mark@codesourcery.com>
2120 Put phi nodes after NOTE_INSN_BASIC_BLOCK.
2121 * rtl.h (NOTE_INSN_BASIC_BLOCK_P): New macro.
2122 * bb-reorder.c (get_next_bb_note): Use NOTE_INSN_BASIC_BLOCK_P.
2123 (get_prev_bb_note): Likewise.
2124 (remove_scope_notes): Likewise.
2125 * flow.c (commit_one_edge_insertion): Likewise.
2126 (merge_blocks_nomove): Likewise.
2127 (verify_flow_info): Likewise.
2128 * gcse.c (insert_insn_end_bb): Likewise.
2129 * reg-stack.c (emit_swap_insn): Likewise.
2130 * ssa.c (first_insn_after_basic_block_note): New function.
2131 (insert_phi_node): Use it.
2132 (rename_block): Likewise.
2133 (eliminate_phi): Likewise.
2134 (make_regs_equivalent_over_bad_edges): Likewise.
2135 (make_equivalent_phi_alternatives_equivalent): Likewise.
2136 (for_each_successor_phi): Likewise.
2137 (convert_from_ssa): Modify phi-node deletion algorithm.
2139 2000-07-29 Andreas Jaeger <aj@suse.de>
2141 * configure.in (mips*-*-linux*): Use mips*el to check for little
2142 endian MIPS, add tmake_file.
2144 * config/mips/linux.h (TARGET_VERSION): Use GNU/Linux.
2145 (SUBTARGET_CPP_SPEC): Default MIPS_ISA is 1.
2146 Patches by Maciej W. Rozycki <macro@ds2.pg.gda.pl>.
2148 2000-07-28 Richard Henderson <rth@cygnus.com>
2150 * config/ia64/ia64.c (ia64_print_operand): Fix typos.
2151 Sign extend mode size before negating.
2153 2000-07-28 Richard Henderson <rth@cygnus.com>
2155 * emit-rtl.c (gen_lowpart_common): Add missing 'c' variable.
2157 2000-07-28 Bernd Schmidt <bernds@cygnus.co.uk>
2159 * cse.c (canon_hash): Handle PRE_MODIFY/POST_MODIFY.
2160 (cse_insn): Likewise.
2161 (addr_affects_sp_p): Likewise.
2162 * expr.c (move_by_pieces): Likewise.
2163 (clear_by_pieces): Likewise.
2164 * gcse.c (oprs_unchanged_p): Likewise.
2165 * haifa-sched.c (sched_analyze_2): Likewise.
2166 * recog.c (offsettable_address_p): Likewise.
2167 * regclass.c (record_address_regs): Likewise.
2168 * reload.c (find_reusable_reload): Likewise.
2169 (push_reload): Likewise.
2170 (operands_match_p): Likewise.
2171 (decompose): Likewise.
2172 (find_reloads_address_1): Likewise.
2173 (find_inc_amount): Likewise.
2174 * reload1.c (elimination_effects): Likewise.
2175 * resource.c (mark_set_resources): Likewise.
2176 * flow.c (attempt_auto_inc): New function; mostly broken out
2178 (find_auto_inc): Split into two functions and enhanced to
2179 generate POST_MODIFY.
2180 * rtl.def (PRE_MODIFY, POST_MODIFY): Adjust comment.
2181 * rtl.h (count_all_occurrences): Declare.
2182 (HAVE_{PRE,POST}_MODIFY_{DISP,REG}): Provide default of 0 if not
2184 * rtlanal.c (count_all_occurrences): New function.
2185 * tm.texi (HAVE_POST_MODIFY_DISP, HAVE_PRE_MODIFY_DISP,
2186 HAVE_POST_MODIFY_REG, HAVE_PRE_MODIFY_REG): Document.
2188 * config/ia64/ia64-protos.h (destination_operand): Declare.
2189 * config/ia64/ia64.c (destination_operand): New function.
2190 (ia64_print_operand): Handle POST_MODIFY.
2191 (rtx_needs_barrier): Likewise.
2192 * config/ia64/ia64.h (HAVE_POST_MODIFY_DISP): Define to 1.
2193 (HAVE_POST_MODIFY_REG): Define to 1.
2194 (MAX_REGS_PER_ADDRESS): Change to 2.
2195 (GO_IF_LEGITIMATE_ADDRESS): Accept POST_MODIFY too.
2196 (LEGITIMATE_ADDRESS_REG): New helper macro.
2197 (LEGITIMATE_ADDRESS_DISP): Likewise.
2198 (PREDICATE_CODES): Add entry for destination_operand.
2199 * config/ia64/ia64.md (all mov patterns): Use destination_operand
2200 predicate for operand 0.
2202 2000-07-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2204 * dwarf2out.c: Indent #error directive.
2206 * gbl-ctors.h: Fix typo in comment.
2207 (__do_global_ctors): Prototype.
2209 * gcse.c (record_one_set, pre_delete): Remove unused variables.
2211 * rs6000.c (rs6000_maybe_dead): Delete unused prototype.
2212 (print_operand): Initialize variable `t'.
2214 2000-07-27 Aldy Hernandez <aldyh@redhat.com>
2216 * config/arm/arm.md ("call_value"): removed constraints.
2217 Constraints are ignored in expanders.
2218 (*call_value_reg): split =rf into various constraints.
2219 (*call_value_mem): same
2220 (*call_value_symbol): same
2221 (*sibcall_value_insn): same
2223 2000-07-28 Philipp Thomas <pthomas@suse.de>
2225 * install.texi (--enable-nls): Change the description of the NLS
2226 related configure options to match the current state.
2227 (--with-included-gettext): Likewise.
2228 (--enable-maintainer-mode): New description added.
2229 * extend.texi (-fstrict-prototype): Add missing '.'.
2231 2000-07-27 Jim Wilson <wilson@cygnus.com>
2233 * dwarf2out.c (gen_decl_die): Don't call gen_abstract_function if
2234 DECL_INITIAL (decl) == NULL_TREE.
2236 2000-07-27 Alexandre Oliva <aoliva@redhat.com>
2238 * Makefile.in (INSN_ATTR_H): New macro. Replace all dependencies
2239 on insn-attr.h with it.
2240 * genattr.c: Generate `#include "insn-addr.h"' if HAVE_ATTR_length.
2241 * insn-addr.h: New header.
2242 (insn_addresses_): Renamed from insn_addresses.
2243 (INSN_ADDRESSES_DEFN, INSN_ADDRESSES, INSN_ADDRESSES_ALLOC,
2244 INSN_ADDRESSES_FREE, INSN_ADDRESSES_SET_P, INSN_ADDRESSES_SIZE,
2245 INSN_ADDRESSES_NEW): New macros.
2246 * genattrtab.c (write_test_expr): Use new macros.
2247 * final.c (insn_addresses, init_insn_lengths): Likewise.
2248 (align_fuzz, shorten_branches): Likewise.
2249 (final): Likewise. Do not reject new insns if their addresses
2250 have been added to INSN_ADDRESSES.
2251 * config/arm/arm.c, config/avr/avr.c: Use new macros.
2252 * config/h8300/h8300.c, config/i370/i370.c: Likewise.
2253 * config/m88k/m88k.c, config/pa/pa.c, config/pa/pa.md: Likewise.
2254 * config/sparc/sparc.c, config/sparc/sparc.md: Likewise.
2255 * config/sh/sh.c: Likewise.
2256 (output_branchy_insn): Use INSN_ADDRESSES_NEW.
2258 * Makefile.in (bootstrap): Move -BstageN/ back to the beginning.
2260 2000-07-27 Andrew Cagney <cagney@b1.cygnus.com>
2262 * gcc.c (struct prefix_list): Add member priority.
2263 (enum path_prefix_priority): Declare.
2264 (add_prefix): Replace ``first'' with ``priority''. Append new
2265 entry but keep list in priority order.
2266 (process_command): Update. Pass PREFIX_PRIORITY_B_OPT or
2267 PREFIX_PRIORITY_LAST to add_prefix.
2268 (process_command): Move include kludge - foo/stageN - to before
2271 2000-07-27 Jason Merrill <jason@redhat.com>
2273 * dwarf2out.c (gen_typedef_die): Abort if we get identical
2274 TREE_TYPE and DECL_ORIGINAL_TYPE on a typedef.
2276 2000-07-27 RodneyBrown <RodneyBrown@pmsc.com>
2278 * expr.h (get_alias_set, lang_get_alias_set): Delete prototypes.
2279 * tree.h (get_alias_set, lang_get_alias_set): Prototype.
2281 2000-07-27 Joseph S. Myers <jsm28@cam.ac.uk>
2283 * c-decl.c (finish_function): Don't treat 'main' specially unless
2284 flag_hosted. In C99 mode, return 0 from 'main' unless
2285 DEFAULT_MAIN_RETURN is otherwise defined.
2287 * c-decl.c (store_parm_decls): In C99 mode, pedwarn for function
2288 parameters defaulting to int in an old-style function definition.
2290 2000-07-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * c-parse.in (string): For -Wtraditional, warn about string
2293 concatenation only once per line.
2295 Thu Jul 27 09:25:17 2000 Akiko Matsushita <matusita@sra.co.jp>
2297 * pa/x-pa-hpux: Add -D_HIUX_SOURCE to FIXPROTO_DEFINES
2298 for HI-UX/WE2 systems.
2300 2000-07-24 Bruce Korb <bkorb@gnu.org>
2302 * fixincl/fixfixes.c(emit_gnu_type): rewrote to *rely* on GCC
2303 defining the __xxx_TYPE__ macros.
2304 * fixincl/fixincl.tpl(gnu_type_map): now obsolete
2305 * fixincl/fixlib.h: don't need to include "tm.h" anymore
2306 * fixincl/inclhack.def(type_map): now obsolete
2308 Thu Jul 27 11:54:17 2000 Andrew Cagney <cagney@b1.cygnus.com>
2310 * cpp.texi: Append a trailing full-stop to xrefs where needed.
2312 2000-07-26 Dave Pitts <dpitts@cozx.com>
2314 * i370.c: Remove LONGEXTERNAL ifdef from alias_number. Added hash
2316 (mvs_hash_alias): New function.
2317 (mvs_add_alias): Change argument spacing.
2318 (mvs_need_alias): Change aliasing criteria. Added documentation.
2319 (mvs_get_alias): Change to use hashed name. The hashed name prevents
2320 CSECT name collisions.
2321 (mvs_check_alias): Likewise.
2322 (handle_pragma): Change documentation.
2323 * i370.md (mulsi3, divsi3, udivsi3, modsi3, umodsi3): Changed gen_rtx
2324 mode from SImode to DImode.
2325 (iorhi3): Changed LTORG size for insn.
2327 Wed Jul 26 19:44:05 2000 Hans-Peter Nilsson <hp@axis.com>
2329 * reload.c (find_reloads_toplev): Reload a paradoxical subreg of a
2330 mem if the address is a mode_dependent_address_p.
2332 2000-07-26 Kazu Hirata <kazu@hxi.com>
2334 * h8300.c (print_operand): Print ":8" when the 'R' operand is
2335 suitable for 8-bit absolute.
2336 * h8300.h (EIGHTBIT_CONSTANT_ADDRESS_P): New.
2337 (OK_FOR_U): Add a case for the 8-bit constant address on the
2340 Wed Jul 26 19:26:21 2000 Hans-Peter Nilsson <hp@axis.com>
2342 * varasm.c (assemble_variable) [! defined(ASM_OUTPUT_ALIGNED_COMMON)
2343 && ! defined (ASM_OUTPUT_ALIGNED_BSS]): Also test
2344 ! defined(ASM_OUTPUT_ALIGNED_DECL_COMMON) before complaining about
2345 lack of implemented alignment.
2347 2000-07-26 Geoffrey Keating <geoffk@cygnus.com>
2349 * emit-rtl.c (gen_lowpart_common) [REAL_ARITHMETIC]: Handle
2350 cross-compiling between 64-bit and 32-bit machines.
2352 2000-07-27 Richard Henderson <rth@cygnus.com>
2354 * config/ia64/ia64.md (movqicc_astep, movqi_internal_astep): New.
2355 (movhicc_astep, movhi_internal_astep): New.
2356 (movsicc_astep, movsi_internal_astep): New.
2357 (movdicc_astep, movdi_internal_astep): New.
2358 (movsfcc_astep, movsf_internal_astep): New.
2359 (movdfcc_astep, movdf_internal_astep): New.
2360 (movxfcc_astep, movxf_internal_astep): New.
2361 (cmovdi_internal_astep, cmovsi_internal_astep): New.
2362 Unify the cmov[ds]i splitters.
2364 2000-07-27 Rodney Brown <RodneyBrown@pmsc.com>
2366 * real.c (asctoeg): Rename `error' label to unexpected_char_error
2368 2000-07-26 Nick Clifton <nickc@cygnus.com>
2370 * config/arm/vxarm.h (CPP_PREDEFINES): Remove definition of
2371 __arm__. Allow it to be defined by CPP_ISA_SPEC in arm.h
2373 * dwarf2out.c (dwarf2out_frame_debug_expr): Accept SEQUENCE as
2374 well as PARALLEL blocks in FRAME_RELATED_EXPR notes.
2376 2000-07-26 Alexandre Oliva <aoliva@redhat.com>
2378 * c-decl.c (finish_enum): Convert enumerations that fit in an
2380 (build_enumerator): In pedantic mode, cast to `int' those that
2383 2000-07-25 Rodney Brown <RodneyBrown@pmsc.com>
2385 * config/alpha/osf.h (SIZE_TYPE, PTRDIFF_TYPE): New.
2387 Tue Jul 25 23:08:33 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2389 * sh.md (cmpgtdi_t): Must be split.
2390 (cmpgtdi_t+1): New splitter.
2392 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2394 * cpplib.c (_cpp_check_directive): Issue -Wtraditional
2395 warnings for indented directives even if we are skipping.
2397 2000-07-25 Nathan Sidwell <nathan@codesourcery.com>
2399 * invoke.texi (strict-prototypes): Remove.
2400 * extend.texi (Deprecated Features): Add strict-prototypes.
2401 (Backwards Compatibility): New node.
2403 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2405 * config/i386/i386.md (andsi_1+1): Allow HImode.
2406 (andsi_1+2): Require q_regs_operand.
2408 2000-07-25 Jakub Jelinek <jakub@redhat.com>
2410 * config/i386/i386.md (call_pop): Check operands[0],
2411 not operands[1]. Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2413 (call_value_pop): Only check SYMBOL_REF_FLAG for a SYMBOL_REF.
2414 (call_value): Likewise.
2416 2000-07-25 Zack Weinberg <zack@wolery.cumb.org>
2418 * toplev.c (pipe_closed): Delete.
2419 (crash_signal): New. Generate ICE for a fatal signal.
2420 (float_signal): Call crash_signal outside a float-handler
2422 (main): Install crash_signal as handler for core-dumping signals.
2424 2000-07-25 David Edelsohn <edelsohn@gnu.org>
2426 * rs6000.c (print_operand, case 'T'): New case.
2428 * rs6000.md (call_indirect_aix32): Convert to expander of
2429 scheduled instructions.
2430 (call_indirect_aix64): Likewise.
2431 (call_value_indirect_aix{32,64}): Likewise.
2432 (call, call_value): Invoke expanders for AIX. Fall through to
2434 (call_indirect_nonlocal_aix{32,64}): New patterns (ctr and lr).
2435 (call_value_indirect_nonlocal_aix{32,64}): New patterns.
2436 (call_nonlocal_aix32): Remove CALL_LONG alternative. Operand 1
2437 only "g" constraint.
2438 (call_nonlocal_aix64): Likewise.
2439 (call_value_nonlocal_aix{32,64}): Likewise.
2440 (call_nonlocal_sysv): New pattern for ctr, lr, and symbolic
2442 (call_value_nonlocal_sysv): New pattern.
2443 (indirect_jump{si,di}): Use new 'T' modifier.
2444 (tablejump{si,di} matchers): Likewise.
2445 (return_internal_{si,di}): Likewise.
2446 (return_eh_{si,di}): Likewise.
2448 2000-07-24 Richard Henderson <rth@cygnus.com>
2450 * config/ia64/ia64.c (ia64_print_operand): Handle "%,".
2451 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): Likewise.
2452 * config/ia64/ia64.md (movdi_internal): Use it.
2454 2000-07-24 Zack Weinberg <zack@wolery.cumb.org>
2456 * cppexp.c: Warn about unary + if -Wtraditional.
2457 * cpplex.c (lex_line): Always set BOL on the first token of a line.
2459 2000-07-24 Michael Meissner <meissner@redhat.com>
2461 * d30v.h (FUNCTION_ARG_KEEP_AS_REFERENCE): Delete references to
2464 2000-07-24 Nick Clifton <nickc@cygnus.com>
2466 * config/arm/arm.c (emit_multi_reg_push): Generate a
2467 REG_FRAME_RELEATED_NOTE that is compatable with the code in
2468 dwarf2out_debug_frame_expr.
2470 2000-07-24 Jason Merrill <jason@redhat.com>
2472 * dwarf2out.c: Complain if DWARF2_DEBUGGING_INFO is defined without
2473 UNALIGNED_INT_ASM_OP.
2474 (def_cfa_1): Don't emit def_cfa_register or def_cfa_offset to adjust
2475 a location expression.
2476 (dwarf2out_frame_debug_expr): Lose cfa_old_reg stuff. Don't
2477 assume indirect access if we're saving the CFA address exactly.
2479 * Makefile.in (bootstrap): Move -BstageN/ to the end.
2481 2000-07-24 Jakub Jelinek <jakub@redhat.com>
2483 * tradcpp.c (main): Update max_include_len for cpp_include_defaults
2486 2000-07-24 Michael Meissner <meissner@redhat.com>
2488 * invoke.texi (D30V Options): Add d30v options.
2490 Mon Jul 24 02:04:52 2000 Jeffrey A Law (law@cygnus.com)
2492 * gcse.c (alloc_pre_mem): Do not alloc TRANSPOUT, it is not
2493 needed by our gcse pass anymore.
2494 (free_pre_mem): Corresponding changes.
2495 (compute_pre_data): Do not call compute_transpout anymore.
2497 * gcse.c (alloc_avail_expr_mem): Kill unused 'u_bitmap'.
2498 (free_avail_expr_mem, alloc_pre_mem, free_pre_mem): Corresponding
2501 * gcse.c (free_pre_mem): Do not free ANTLOC and AE_KILL here.
2502 (compute_pre_data): Do it here instead.
2504 * gcse.c (alloc_pre_mem, free_pre_mem): Delete unused bitmap
2506 (pre_delete): Corresponding changes.
2508 2000-07-23 Mark Mitchell <mark@codesourcery.com>
2510 * c-semantics.c (make_rtl_for_local_static): Use TREE_ASM_WRITTEN
2511 to figure out whether or not a variable has already been emitted.
2513 Sun Jul 23 14:49:12 2000 Jason Eckhardt <jle@cygnus.com>
2515 * config/i860/i860.md (untyped_call expander): Use GEN_CALL
2516 instead of gen_call.
2518 Sun Jul 23 11:52:03 2000 George Helffrich (george@gly.bris.ac.uk)
2520 * dbxout.c (dbxout_type, case COMPLEX_TYPE): Fix length field in stab.
2522 2000-07-23 Kazu Hirata <kazu@hxi.com>
2524 * h8300.c: Fix formatting.
2526 2000-07-23 Joseph S. Myers <jsm28@cam.ac.uk>
2528 * c-typeck.c (c_expand_start_case): Change -Wtraditional pedwarn
2529 for `long' switch expression into a plain warning.
2531 * c-lex.c (init_lex): Keep the "inline" keyword in C99 mode.
2532 (yylex): Don't pedwarn for "inline" in C99 mode.
2534 * bitmap.c (debug_bitmap_file): Cast pointers to PTR for printing
2536 * ggc-page.c (debug_print_page_list, alloc_page, free_page,
2537 ggc_alloc): Likewise.
2538 * bb-reorder.c (dump_scope_forest_1): Likewise.
2540 2000-07-22 Aldy Hernandez <aldyh@redhat.com>
2542 * reload.c (find_reloads_toplev): Add new parameter
2544 (find_reloads): Add new parameter to find_reloads_toplev calls.
2546 2000-07-22 Jeffrey Oldham <oldham@codesourcery.com>
2548 * collect2.c (main): Typo fixed.
2549 * diagnostic.c: Typo fixed.
2550 * dwarf2out.c (dwarf2out_frame_debug_expr): Typo fixed.
2551 * eh-common.h: Typo fixed.
2552 * emit-rtl.c (start_sequence): Typo fixed.
2553 * flow.c (find_label_refs): Typo fixed.
2554 (calculate_global_regs_live): Typo fixed.
2555 (mark_regno_cond_dead): Typo fixed.
2556 (create_edge_list): Typos fixed.
2557 (verify_edge_list): Typo fixed.
2558 * ggc-common.c (ggc_mark_rtx_children): Typo fixed.
2559 * loop.c (strength_reduce): Typo in function name fixed.
2560 * rtl.h: Added comments. Typo in function name fixed.
2561 * rtlanal.c: Typo in function name fixed.
2562 (insn_dependant_p): Rename to ...
2563 (insn_dependent_p): ... this.
2564 (computed_jumo_p): Typo fixed.
2566 2000-07-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2568 * system.h (__FUNCTION__): Wrap definition in #ifndef.
2570 2000-07-21 David Edelsohn <edelsohn@gnu.org>
2572 * rs6000.h (SIZE_TYPE): Define.
2574 2000-07-21 Mark Mitchell <mark@codesourcery.com>
2576 * ssa.c (rename_insn_1): Don't rename registers that are
2579 2000-07-21 Zack Weinberg <zack@wolery.cumb.org>
2581 * diagnostic.c (trim_filename, fancy_abort): Moved here from
2583 (fatal_function, set_fatal_function): Removed.
2584 (fatal): Don't prepare for or call the fatal_function.
2585 (diagnostic_lock, error_recursion): New.
2586 (diagnostic_for_decl, report_diagnostic): Guard against
2587 re-entering the error reporting routines.
2588 (fancy_abort): Assume function is not NULL.
2590 * errors.c (fancy_abort): New. Assume function is not NULL.
2591 * tradcpp.c (fancy_abort): Assume function is not NULL.
2593 * system.h: Provide default definition of __FUNCTION__.
2594 * rtl.h: Use __FUNCTION__ not __PRETTY_FUNCTION__ throughout.
2595 Always use __FUNCTION__ in definition of abort.
2597 * varray.h: Likewise.
2598 * toplev.h: Likewise. Don't prototype set_fatal_function.
2600 2000-07-20 Geoff Keating <geoffk@cygnus.com>
2602 * config/rs6000/aix43.h (CPP_SPEC): Define __LONG_MAX__ correctly
2604 * glimits.h: Don't do #if defined for ARCH_PPC.
2606 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): All
2607 constants of size no larger than a pointer should go in the TOC.
2608 Add 'MODE' parameter.
2609 (LEGITIMIZE_RELOAD_ADDRESS): Add MODE parameter to
2610 ASM_OUTPUT_SPECIAL_POOL_ENTRY_P.
2611 (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Likewise.
2612 * config/rs6000/aix.h (SELECT_RTX_SECTION): Likewise.
2613 * config/rs6000/netware.h (SELECT_RTX_SECTION): Likewise.
2614 * config/rs6000/rs6000.c (constant_pool_expr_1): Likewise.
2615 (rs6000_legitimize_address): Likewise.
2616 (rs6000_emit_move): Likewise.
2617 (rs6000_select_rtx_section): Likewise.
2618 (output_toc): Deal properly with outputting small constants like
2619 HImode, and SFmode in 32-bit mode, and DFmode in 64-bit mode.
2620 * config/rs6000/sysv4.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): Add
2621 MODE parameter. Put small constants in the TOC.
2623 * config/rs6000/rs6000.c (easy_fp_constant_p): All constants are
2625 (rs6000_emit_move): When reload calls us with an illegitimate
2626 address, exit early. Move the change_address calls to one place
2627 at the end of the routine. Merge the SImode and DImode expanders.
2628 When called by reload to put an integer into a FP register, force
2631 * config/rs6000/rs6000.c (struct toc_hash_struct): Add 'key_mode'
2633 (rs6000_hash_constant): Hash mode too.
2634 (toc_hash_function): Allow for key_mode.
2635 (toc_hash_eq): Structures are different if key_mode differs.
2636 (output_toc): Add 'mode' parameter. Save key_mode.
2637 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY):
2638 Pass 'mode' parameter.
2639 * config/rs6000/rs6000-protos.h (output_toc): Add 'mode' param.
2641 * config/rs6000/rs6000.c (output_toc): Use RS6000_OUTPUT_BASENAME
2642 for vtable references.
2644 * config/rs6000/rs6000.h (PREFERRED_RELOAD_CLASS): If we have a
2645 choice, don't put integer values in FP regs.
2647 Thu Jul 20 18:13:52 2000 Jeffrey A Law (law@cygnus.com)
2649 * flow.c (verify_flow_info): Revamp code to verify that the
2650 head and end of each basic block are in the insn chain.
2652 Thu Jul 20 18:02:35 2000 Michael Matz <matzmich@cs.tu-berlin.de>
2654 * gcse.c (record_one_set): Prepend instead of append onto
2655 reg_set_table, making it O(n) instead O(n^2).
2656 * lcm.c (compute_antinout_edge,compute_laterin,compute_available):
2657 Use a queue instead of a stack as worklist.
2659 2000-07-20 Kazu Hirata <kazu@hxi.com>
2661 * h8300.c (two_insn_adds_subs_operand): Fix a typo.
2662 * h8300.h (OK_FOR_T): New.
2663 (EXTRA_CONSTRAINT): Support OK_FOR_T.
2664 * h8300.md: Use inc/dec.[wl] for increment/decrement
2665 by 1 and 2 in HI and SI modes.
2667 2000-07-20 Jim Wilson <wilson@cygnus.com>
2669 * config/ia64/ia64.h (ASM_OUTPUT_MI_THUNK): Handle DELTA values
2670 larger than 14 bits.
2672 2000-07-20 Zack Weinberg <zack@wolery.cumb.org>
2674 * cppmacro.c (CAN_PASTE_AFTER): New macro.
2675 (count_params): Don't set GNU_REST_ARGS on anything.
2676 (save_expansion): Set PASTE_LEFT only on tokens for which
2677 CAN_PASTE_AFTER is true, or which are named operators.
2679 * cpplex.c (parse_args): Distinguish between a rest argument
2680 given one empty argument, and a rest argument given zero arguments.
2681 (maybe_paste_with_next): Look for VOID_REST tag, and trigger
2682 deletion of previous token based on that.
2683 (get_raw_token): Flatten some control structure.
2685 * cpplib.h (CPP_LAST_EQ): Correct.
2686 (VOID_REST): New token flag.
2687 (GNU_REST_ARGS): Delete.
2689 * tradcpp.c (main): Don't munge -D options.
2690 (make_definition): Bring -D handling in line with cpplib.
2691 (do_define): Strip all leading whitespace from macro definitions.
2693 2000-07-20 David Billinghurst <David.Billinghurst@riotinto.com.au>
2695 * Makefile.in (tradcpp): Depend on intl.o and version.o.
2697 2000-07-20 Bruce Korb <bkorb@gnu.org>
2699 * fixincl/check.tpl: strip the platform specific types before testing
2700 * fixincl/fixfixes.c(gnu_type_fix): use platform specific types
2701 * fixincl/fixincl.tpl: use platform specific types
2702 * fixincl/fixlib.h: include the platform specific types
2703 * fixincl/inclhack.def(gnu_types): don't supply the types
2704 * fixincl/fixincl.x: regen
2706 2000-07-19 Jim Wilson <wilson@cygnus.com>
2708 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): Don't allow XFmode in
2711 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2713 * tradcpp.c (rescan): Do not recognize directives when the #
2716 2000-07-19 Zack Weinberg <zack@wolery.cumb.org>
2718 Implement C++ named operators.
2720 * cpplib.h (TTYPE_TABLE): Move CPP_MIN and CPP_MAX into block
2721 of operators allowed in #if and having an _EQ variant. Add
2722 CPP_MIN_EQ, CPP_MAX_EQ, and CPP_DEFINED.
2723 (cpp_token flags): Add NAMED_OP.
2724 (enum node_type): Add T_OPERATOR.
2725 (struct cpp_hashnode): Add code slot to value union.
2726 * cpphash.h (spec_nodes): Remove n_defined.
2728 * cpplex.c (lex_line): Convert T_OPERATOR nodes to their proper types.
2729 (spell_token, can_paste, maybe_paste_with_next): Handle named operators.
2730 (is_macro_disabled): Tweak error messages.
2732 * cpplib.c (get_define_node): Disallow all named operators as
2733 macro names. Tweak error messages.
2734 (_cpp_init_stacks): Don't set up spec_nodes->n_defined.
2736 * cppinit.c (builtin_array): Add entries for the named operators.
2737 * cppexp.c (lex): Check for CPP_DEFINED token.
2738 (priority table): Add entries for CPP_MIN and CPP_MAX.
2739 (_cpp_parse_expr): Handle CPP_MIN and CPP_MAX.
2741 2000-07-19 Bernd Schmidt <bernds@cygnus.co.uk>
2743 * gcse.c (INSN_CUID): If ENABLE_CHECKING, abort if the uid is
2744 larger than the array of cuids.
2745 (alloc_gcse_mem): Use uid_cuid rather than INSN_CUID when computing
2748 2000-07-19 Bruce Korb <bkorb@gnu.org>
2750 * fixinc/fixincl.c: Convert to using a table of environment variables
2751 and activate the auto-edit marker on the fixed output files.
2752 * fixinc/fixlib.h: Define the environment table
2753 * fixinc/fixincl.sh: export the ${INPUT} dir
2754 * fixinc/check.tpl: likewise
2756 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2758 * gcc.c (.h spec): Fix typo.
2760 Wed Jul 19 01:22:15 CEST 2000 Marc Espie <espie@cvs.openbsd.org>
2762 * Makefile.in: Fix tradcif.c path.
2764 2000-07-18 Zack Weinberg <zack@wolery.cumb.org>
2766 * cpplib.h (TTYPE_TABLE): Rearrange to use only two per-entry
2769 * cpphash.h (TOKEN_NAME): New macro.
2770 (_cpp_spell_operator): Deleted.
2771 (token_spellings): Now _cpp_token_spellings.
2773 * cppexp.c: Use TOKEN_NAME or TYPE_NAME, not _cpp_spell_operator.
2774 * cpplex.c: Use OP and TK macros when expanding the
2775 TTYPE_TABLE. Eliminate token_names. For non-OPERATOR tokens,
2776 store the stringification of the enumeration name (CPP_CHAR,
2777 etc.) in the name slot of token_spellings.
2778 Use TOKEN_NAME and/or TOKEN_SPELL, do not reference
2779 token_spellings directly.
2780 * cpplib.c: Use TOKEN_SPELL.
2782 * cpplex.c (_cpp_push_token): If the token being pushed back
2783 is the previous token in this context, just subtract one from
2785 * cppmacro.c (save_expansion): Clear aux field when storing a
2788 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2790 * cpplex.c (cpp_scan_buffer): Output line command even at the stop
2791 buffer, provided it is not NULL.
2793 2000-07-18 Alexandre Oliva <aoliva@redhat.com>
2795 * c-decl.c (duplicate_decls): Do not call make_var_volatile() in
2796 case of invalid volatile re-declaration.
2798 2000-07-18 Jakub Jelinek <jakub@redhat.com>
2800 * calls.c (store_arg): Return non-zero if sibcall_failure is desired.
2801 (expand_call): Adjust caller.
2803 2000-07-17 Gabriel Dos Reis <gdr@codesourcery.com>
2805 * diagnostic.h (report_diagnostic): Change prototype.
2807 * diagnostic.c (output_do_verbatim, diagnostic_for_asm,
2808 diagnostic_for_decl): Change prototype.
2809 (error_with_decl, warning_with_decl, pedwarn_with_decl, warning,
2810 error, warning, error_with_file_and_line,
2811 warning_with_file_and_line, pedwarn_with_file_and_line, fatal):
2812 Adjust call to report_diagnostic, diagnostic_for_decl.
2813 (error_for_asm, warning_for_asm): Adjust call to diagnostic_for_asm.
2814 (output_verbatim, verbatim): Adjust call to output_do_verbatim.
2816 * c-errors.c (pedwarn_c99): Adjust call to report_diagnostic. End
2817 varaible argument list.
2819 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2821 * cpphash.c: Don't include hashtab.h. Most macro-handling code
2822 moved to cppmacro.c.
2823 (hash_HASHNODE, eq_HASHNODE, _cpp_dump_macro_hash,
2824 dump_hash_helper): Delete.
2825 (expand_hash, higher_prime_number, _cpp_lookup_with_hash,
2826 cpp_forall_identifiers): New. Implement specialized version of
2827 Vlad's expandable hash table.
2828 (cpp_lookup): Use new functions.
2829 (_cpp_init_macros, _cpp_cleanup_macros): Adjust for new
2831 * cppmacro.c: New file.
2832 * cppinit.c (dump_macros_helper): New.
2833 (cpp_finish): Iterate over the identifier table directly.
2834 * cpplex.c (parse_name): Calculate the hash of the identifier
2835 while we scan it. Use _cpp_lookup_with_hash when we can.
2837 * cpphash.h: Update prototypes.
2838 (xcnewvec, HASHSTEP): New helper macros.
2839 * cpplib.h: Update prototypes.
2840 * Makefile.in (LIBCPP_OBJS): Add cppmacro.o.
2841 (cppmacro.o): New rule.
2842 (cpphash.o): Update deps.
2844 * cppmain.c: Do not set pfile->printer if no_output is on.
2846 2000-07-15 Neil Booth <neilb@earthling.net>
2848 * cpplib.c: Change all directive-handler functions to return
2850 * cpphash.h: Update typedefs.
2852 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2854 * configure: Regenerate.
2856 * extend.texi (Extended Asm): Mention that a memory clobber
2857 does not count as a side-effect.
2859 * unroll.c (copy_loop_body): Fix one instance of using host
2860 arithmetic on the target; fixes loop-4 on a 32-bit -> 64-bit
2863 * tlink.c (scan_linker_output): Tweak for output of AIX ld.
2865 2000-07-17 Richard Henderson <rth@cygnus.com>
2867 * config/ia64/ia64.md (movdi): Split out load address code.
2868 New post-reload splitter for symbolic operands.
2869 (movdi_internal): Abort if we didn't split symbolic operands
2870 when we should have.
2871 * config/ia64/ia64.c (ia64_expand_load_address): New, from movdi bits.
2872 (ia64_reorg): Split insns when not optimizing.
2873 * config/ia64/ia64-protos.h (ia64_expand_load_address): Declare.
2875 Mon Jul 17 23:43:26 MET DST 2000 Jan Hubicka <jh@suse.cz>
2877 * real.h (REAL_VALUE_TO_TARGET_LONG_DOUBLE): Use LONG_DOUBLE_TYPE_SIZE
2878 instead of MAX_LONG_DOUBLE_TYPE_SIZE to decide output format.
2880 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2882 * loop.c (check_dbra_loop) : Changed loop_continue to loop->cont.
2884 2000-07-17 Jason Merrill <jason@redhat.com>
2886 * Makefile.in (clean): Remove libgcc directory.
2888 * configure.in (-Wno-long-long check): Use higher-level macros.
2890 2000-07-17 Zack Weinberg <zack@wolery.cumb.org>
2892 * simplify-rtx.c (simplify_binary_operation): Recognize
2893 (compare (gt[u] (cc) 0) (lt[u] (cc) 0)).
2894 (simplify_ternary_operation): Do not examine MODE_BITSIZE of
2895 a CONST_INT, it will always be zero.
2897 2000-07-17 Chandrakala Chavva <cchavva@cygnus.com>
2899 * loop.c (check_dbra_loop) : Return if more than one condition is
2900 present to control the loop.
2902 Mon Jul 17 08:26:35 2000 Clinton Popetz <cpopetz@cygnus.com>
2904 * mips.c (mips_expand_prologue): Don't calculate the last argument
2905 register unless we need it. When we are calculating this, make
2906 sure FUNCTION_ARG is giving us a REG.
2908 2000-07-17 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2910 * flow.c (libcall_dead_p): Use single_set to verify the insn
2911 has only one set and get for analysis.
2912 (propagate_one_insn): Don't pass the PATTERN of the insn.
2914 2000-07-17 Mark Klein <mklein@dis.com>
2916 * pa.c (emit_hpdiv_const): Update to match new pattern for udivsi3.
2918 2000-07-17 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2920 * Makefile.in (TARGET_GETGROUPS_T): New configuration variable.
2921 * configure.in (TARGET_GETGROUPS_T): Evaluate.
2922 * sys-protos.h (getgroups): Use TARGET_GETGROUPS_T for array type
2923 of second argument of getgroups.
2924 * configure, config.in: Rebuilt.
2926 2000-07-17 Geoffrey Keating <geoffk@cygnus.com>
2928 * simplify-rtx.c (simplify_relational_operation): Two signed
2929 values with equal high words are less/greater than each other if
2930 their low words are less/greater when considered as unsigned.
2932 Mon Jul 17 02:37:06 2000 Marc Espie <espie@openbsd.org>
2934 * configure.in (vax-*-openbsd): Change to new style configuration,
2935 add collect2/float_format information.
2936 * configure: Rebuilt.
2937 * config/vax/openbsd1.h: New.
2938 * config/vax/openbsd.h: New.
2939 * config/vax/t-openbsd: New.
2941 2000-07-17 Chip Salzenberg <chip@valinux.com>
2943 * c-common.c (shorten_compare): Quiet warnings about unsigned
2944 comparisons with zero when they occur in a system header.
2946 2000-07-17 Joseph S. Myers <jsm28@cam.ac.uk>
2948 * invoke.texi (-pedantic): Refer to ISO C instead of ANSI C, and
2949 update to describe current practice.
2951 * glimits.h (LLONG_MIN, LLONG_MAX, ULLONG_MAX): Define for C99.
2953 * contrib.texi, cpp.texi, extend.texi, invoke.texi: Update
2954 references to C9X. Change references to -fstd and -flang-isoc9x
2957 * c-common.c (scan_char_table): Allow "z" length modifiers on
2959 (check_format_info): Use TYPE_DOMAIN on the type matched against
2960 for "z" formats, to retrieve the language size_t rather than the
2963 * c-common.c (check_format_info): Do not make a pedantic objection
2964 to the 'L' length modifier if used with a floating point type
2967 * c-lex.c (yylex): Don't pedwarn for hexadecimal floating point
2968 constants in C99 mode.
2970 2000-07-17 Kazu Hirata <kazu@hxi.com>
2972 * h8300.md: Fix the format of mac.
2973 (movsi_h8300hs): Output a tab after stmac instead of a space.
2975 * h8300.c (two_insn_adds_subs_operand): Improve code for detecting
2976 profitable adds/subs sequences.
2978 * fold-const.c: Fix comment typos.
2980 2000-07-16 Laurynas Biveinis <lauras@softhome.net>
2982 * cppfiles.c (read_name_map): Set map_list_ptr->map_list_map to NULL.
2984 2000-07-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2986 * fixinc/fixfixes.c (emit_gnu_type): Avoid string concatenation.
2988 2000-07-16 Neil Booth <NeilB@earthling.net>
2990 * cpplex.c: Update comments.
2991 * README.Portability: Small update.
2993 2000-07-16 Neil Booth <NeilB@earthling.net>
2995 * README.Portability: Small update.
2997 2000-07-15 Richard Henderson <rth@cygnus.com>
2999 * config/ia64/ia64-protos.h (ia64_move_ok): Prototype.
3000 * config/ia64/ia64.c (ia64_move_ok): New function.
3001 * config/ia64/ia64.md (movqi, movqi_internal): Use it.
3002 (movhi, movsi, movdi, movsf, movdf, movxf): Likewise.
3004 2000-07-15 Zack Weinberg <zack@wolery.cumb.org>
3006 * cpphash.c (save_expansion): Clear PREV_WHITE on tokens
3007 immediately following a paste operator.
3008 * cppinit.c (sort_options): New function (only for HOST_EBCDIC).
3009 (cpp_reader_init): Call it, if HOST_EBCDIC.
3010 (cpp_handle_options): Do not sort option list here.
3011 (handle_option): Rename to cpp_handle_option and export.
3012 * cpplex.c (cpp_scan_buffer_nooutput, cpp_scan_buffer): Use
3013 _cpp_get_token directly.
3014 (cpp_scan_line): Return 0 at EOF, 1 otherwise.
3015 * cpplib.c (cpp_push_buffer): Don't set new->lineno to 1.
3016 * cpplib.h: Prototype cpp_handle_option. Update prototype of
3019 2000-07-15 Richard Henderson <rth@cygnus.com>
3021 * fold-const.c (extract_muldiv): Don't optimize past an unsigned
3022 cast around an expression. Tidy other unsigned tests.
3024 2000-07-15 Gabriel Dos Reis <gdr@codesourcery.com>
3026 * diagnostic.c (doing_line_wrapping, line_wrapper_printf, notice,
3027 v_error_with_decl, v_warning_with_decl, v_pedwarn_with_decl): Remove.
3028 (v_message_with_decl): Rename to ...
3029 (format_with_decl): ... this. Tweak
3030 (diagnostic_for_decl): New function.
3031 (fatal_io_error): Use verbatim in lieu of notice.
3032 (announce_function): Use verbatim.
3033 (default_print_error_function): Likewise.
3034 (error_with_decl, warning_with_decl, pedwarn_with_decl): Use new
3037 2000-07-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * mips.c (function_arg_pass_by_reference): Don't do automatic
3040 aggregate initialization.
3041 (machine_dependent_reorg): Initialize variable `mode'.
3043 * mips.md (absdi2): Change variable `regno1' to unsigned int.
3044 (reload_indi): Rename loword/hiword to lo_word/hi_word to avoid
3045 conflicts with sys/param.h macro of the same name.
3046 (reload_outdi): Likewise.
3048 2000-07-15 Michael Meissner <meissner@redhat.com>
3050 * fold-const.c (fold): When optimizing FOO++ == CONST into ++FOO
3051 == CONST + INCREMENT, don't overwrite the tree node for FOO++,
3052 create a new node instead.
3054 2000-07-15 Neil Booth <NeilB@earthling.net>
3056 * README.Portability: Correct example about calling a function
3057 through a pointer to function. Format wide paragraphs.
3059 2000-07-15 Michael Meissner <meissner@redhat.com>
3061 * README.Portability: Update integer suffixes and function
3064 2000-07-15 Neil Booth <NeilB@earthling.net>
3066 * README.Portability: Small update.
3068 2000-07-15 Neil Booth <NeilB@earthling.net>
3070 * README.Portability: New file.
3072 Fri Jul 14 18:13:53 2000 Mark P Mitchell <mark@codesourcery.com>
3074 * INSTALL: Give special instructions for building GCC on Irix 6.
3075 * config/mips/x-iris6 (CC): Don't set it.
3078 2000-07-14 Jason Merrill <jason@redhat.com>
3080 * dwarf2out.c (dwarf2out_frame_debug_expr): If we store the CFA
3081 register in the stack and later in another register, use the new
3084 Fri Jul 14 10:25:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3086 * config/mips/mips.md: (absdi2): Handle sign_extend for
3089 2000-07-14 Nathan Sidwell <nathan@codesourcery.com>
3091 * cpplib.c (do_pragma_dependency): Tidy warning messages.
3093 2000-07-14 Zack Weinberg <zack@wolery.cumb.org>
3095 * .cvsignore: Correct typo.
3097 2000-07-13 Mark Mitchell <mark@codesourcery.com>
3099 * .cvsignore: Add generated YACC files.
3100 * objc/.cvsignore: New file.
3102 2000-07-14 Neil Booth <NeilB@earthling.net>
3104 * cpplex.c (adjust_column): New funcion.
3105 (skip_whitespace): Use it.
3106 (skip_block_comment): Use it, and warn about /*/* with
3109 2000-07-14 Neil Booth <NeilB@earthling.net>
3111 * cpphash.c (struct macro_info): Add new members.
3112 (_cpp_free_definition): Delete the macro directly.
3113 (count_params): Return void, with first token of
3114 expansion in struct macro_info on success.
3115 (parse_define): Return int. Hoist syntax checking from
3116 save_macro_expansion. Leave call to save_expansion to
3117 _cpp_create_definition.
3118 (alloc_macro): Needs just 2 arguments.
3119 (free_macro): Delete.
3120 (save_expansion): Don't perform syntax check.
3121 (_cpp_create_definition): Call save_expansion.
3123 2000-07-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3125 * genrecog.c (write_header): Split long string.
3127 * cpphash.c (macro_info): Don't use the `signed' keyword.
3129 * system.h (alloca): Prototype if __GNUC__ && __SIZE_TYPE__.
3131 2000-07-13 Jakub Jelinek <jakub@redhat.com>
3133 * calls.c (stored_args_map): New variable.
3134 (check_sibcall_argument_overlap_1): New.
3135 (check_sibcall_argument_overlap): New.
3136 (expand_call): Initialize stored_args_map.
3137 Call check_sibcall_argument_overlap.
3139 2000-07-13 Bruce Korb <bkorb@gnu.org>
3141 * fixinc/fixfixes.c: move EXIT_BROKEN to header, add sub-expr max count
3142 (emit_gnu_type): utility procedure for gnu_type_fix
3143 (gnu_type_fix): implement various pre-processor guards around
3144 standard types so these types can be defined over and over
3145 * fixinc/fixincl.tpl: add a "gnu_type_map" that forces the standard
3146 types alluded to above will have GNU-compliant base types
3147 * fixinc/fixlib.h: add EXIT_BROKEN define and the gnu_type_map struct
3148 * fixinc/inclhack.def: add test_text entries and utilize the new
3149 "gnu_types" fix for the ptrdiff_t, size_t and wchar_t types.
3150 * fixinc/fixincl.x: regenerate
3152 2000-07-12 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
3154 * diagnostic.c (vline_wrapper_message_with_location,
3155 v_message_with_file_and_line, v_error_with_file_and_file,
3156 v_error_for_asm, v_warning_for_asm, vfatal,
3157 v_warning_with_file_and_line, v_pedwarn_with_file_and_line,
3158 vsorry, verror, vwarning, vpedwarn): Remove.
3159 (diagnostic_for_asm): New function.
3160 (pedwarn, error, warning, pedwarn_with_file_and_line,
3161 error_with_file_and_line, warning_with_file_and_line, sorry,
3162 error_for_asm, warning_for_asm, fatal): Reimplement.
3163 (finish_diagnostic): Clear diagnostic info as well.
3165 2000-07-13 Neil Booth <NeilB@earthling.net>
3167 * c-common.h (flag_digraphs): New.
3168 * c-decl.c (c_decode_option): Set flag_digraphs as appropriate.
3169 * c-lex.c (yylex): Use flag_digraphs to decide whether to
3172 2000-07-13 Zack Weinberg <zack@wolery.cumb.org>
3174 * gcc.c (do_spec_1): Add new %B operator.
3175 (set_input): Prepare for %B.
3177 (link_command_spec): Move up with the other tm.h-
3178 overrideable specs. Factor out the portion conditional on
3179 LINK_LIBGCC_SPECIAL into a new spec, %(link_libgcc).
3180 (struct compiler): Just have a single spec string. All users
3182 (default_compilers): Remove unnecessary braces.
3183 (static_specs): Update.
3185 (trad_capable_cpp, cpp_options, cc1_options, asm_options): New
3187 (C and assembly specs): Use the new named specs, as appropriate.
3189 * objc/lang-specs.h: Use the new named specs.
3190 Remove unnecessary braces.
3192 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3194 * gcc.c (execute): If a subprocess gets a fatal signal, report
3195 strsignal() of the signal number, and ask for a bug report.
3196 Do not do this for SIGPIPE if there's already been an error.
3198 * tradcpp.c: Don't include signal.h. Don't catch SIGPIPE.
3201 * tradcif.c: Remove.
3203 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3205 * final.c (profile_function): Do not emit profile counters in
3206 the data section, if NO_PROFILE_COUNTERS is defined.
3207 * tm.texi: Document NO_PROFILE_COUNTERS. Update doc for
3210 * config/i386/linux.h (NO_PROFILE_COUNTERS): Define.
3211 (FUNCTION_PROFILER): Just emit a call to mcount.
3213 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3215 * tradcpp.c (main): Rename 'perror' label to 'sys_error'.
3217 * cppexp.c, cpphash.c, cpphash.h, cppinit.c, cpplex.c,
3218 cpplib.c, cpplib.h: Eradicate all traces of code dependent on
3219 traditional, lang_chill, or lang_fortran.
3221 * cppfiles.c: #undef strcmp to suppress warning about macros
3222 used without arguments.
3223 (_cpp_execute_include): Use f, not fname, in "No include path"
3225 (_cpp_pop_file_buffer): New function.
3226 * cpplib.c: Don't include <sys/mman.h>.
3227 (cpp_push_buffer): Set line_base and lineno in new buffer.
3228 (cpp_pop_buffer): Use _cpp_pop_file_buffer.
3230 * cpplex.c: Move all prototypes and structure declarations to the
3231 top of the file. Properly parenthesise some macro arguments.
3232 (cpp_scan_line): New function.
3233 (special_symbol [case T_INCLUDE_DEPTH]): Use pfile->include_depth,
3234 don't need to walk up the stack counting.
3236 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3238 * c-common.c (combine_strings): Emit a pedantic warning when a
3239 string length is greater than the minimum ANSI C is required
3242 Wed Jul 12 13:24:30 2000 Jeffrey A Law (law@cygnus.com)
3244 * pa/xm-pa64.h (NO_SYS_SIGLIST): Kill.
3245 * d30v/xm-d30v.h (NO_SYS_SIGLIST): Kill.
3247 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3249 * c-decl.c (define_label): Warn about identifier conflicts with
3250 labels in traditional C.
3252 * c-parse.in (unop +): Warn about the unary plus operator for
3255 * c-typeck.c (store_init_value): Warn about automatic aggregate
3256 initialization for traditional C.
3258 * invoke.texi (-Wtraditional): Document new warnings.
3260 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3262 * Makefile.in (c-errors.o): Fix thinko in dependency.
3264 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3266 * gcc.c (C specs [!USE_CPPLIB]): Invoke tradcpp if any of
3267 -traditional, -ftraditional, or -traditional-cpp was given.
3268 Do not pass -traditional to the preprocessor.
3269 (.S spec): Likewise. Don't bother defining __ASSEMBLER__, the
3270 preprocessor does it automatically.
3271 * objc/lang-specs.h: Likewise. Don't bother defining __OBJC__.
3273 * ch/lang-specs.h: Always use tradcpp. Do not pass
3274 -traditional, -trigraphs, or -pedantic to the preprocessor.
3275 * f/lang-specs.h (.F spec): Likewise. Don't bother defining
3278 2000-07-12 Zack Weinberg <zack@wolery.cumb.org>
3280 * cppexp.c (LOGICAL): Delete macro.
3281 (_cpp_parse_expr): Do not use UNARY for unary +. Implement ||
3284 * cpphash.c (HASHSIZE): Increase to 4096.
3285 (struct hashdummy): Add hash field.
3286 (eq_HASHNODE): Compare unreduced hashes, then lengths, then
3287 the string values using memcmp.
3288 (cpp_lookup): Set dummy.hash.
3290 Wed Jul 12 13:15:16 2000 Marc Espie <espie@openbsd.org>
3292 * configure.in (m88k-openbsd): Express configuration using new fragment
3294 * configure: Rebuilt.
3295 * m88k/aout-dbx.h: New.
3296 * m88k/openbsd.h: New.
3297 * m88k/xm-openbsd.h: New.
3299 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3301 * expr.c (expand_expr): Return const0_rtx, not error_mark_node.
3303 2000-07-12 Richard Henderson <rth@cygnus.com>
3305 * reload.c (push_secondary_reload): Make sure to add the new
3306 reload at the end, after acquiring secondary memory.
3308 2000-07-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3310 * cpplex.c (is_macro_disabled): Use CPP_WTRADITIONAL.
3312 * c-decl.c (set_current_function_name_declared, anon_aggr_type_p,
3313 lang_expand_stmt): Mark parameters with ATTRIBUTE_UNUSED.
3315 * c-parse.in (stmt): Delete unused variables.
3317 * convert.c (convert_to_vector): Likewise.
3319 * gensupport.c (process_rtx): Declare attr as `rtvec' not `rtx'.
3321 * tree.c (finish_vector_type): Prototype.
3323 2000-07-12 Bruce Korb <bkorb@gnu.org>
3325 * fixinc/fixfixes.c: use xmalloc
3326 * fixinc/fixincl.c(initialize): set program name for xmalloc
3327 * fixinc/fixlib.c(must_malloc): obsolete
3328 (is_cxx_header): no longer used - disabled
3329 (skip_quote): inserted and disabled for future use
3330 * fixinc/fixlib.h: reflects above
3331 * fixinc/fixtests.c: removed dinkleberries
3333 2000-07-12 Neil Booth <NeilB@earthling.net>
3335 * cpphash.h: (TOKEN_SPELL) Pulled from cpplex.c.
3336 * cpplex.c (TOKEN_SPELL) Move to cpphash.h.
3338 * cpphash.c: (struct macro_info, alloc_macro, free_macro,
3339 struct toklist_dummy): New.
3340 (cpp_free_definition): Free macros with free_macro.
3341 (count_params): Don't save paramter spellings. Save macro
3342 information in a struct macro_info.
3343 (parse_define): Don't allocate a token list.
3344 (save_expansion): Allocate the macro's token list, and
3345 save parameter spellings if necessary. Use TOKEN_SPELL.
3346 (cpp_create_definition): Make list const.
3348 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3350 * c-typeck.c (pedwarn_c99): Move to
3351 * c-errors.c: ... Here.
3352 * toplev.h (verror, vwarning, vpedwarn): Remove prototypes.
3353 * diagnostic.c (verror, vwarning, vpedwarn): Make static.
3354 * Makefile.in (C_AND_OBJC_OBJS): Include c-errors.o
3355 (c-errors.o): List dependency.
3357 2000-07-12 Mark Mitchell <mark@codesourcery.com>
3359 * c-parse.c: Remove.
3360 * c-parse.h: Likewise.
3361 * c-parse.y: Likewise.
3362 * objc/objc-parse.c: Likewise.
3363 * objc/objc-pasre.y: Likewise.
3365 2000-07-11 Rodney Brown <RodneyBrown@pmsc.com>
3367 * gcc.texi: Fix minor typos
3368 * extend.texi: Fix minor typos
3370 2000-07-11 Marc Espie <espie@openbsd.org>
3372 * collect2.c (main): Recognize .lo as object files.
3374 2000-07-11 J. David Anglin <dave@hiauly1.hia.nrc.ca>
3376 * pa.c (hppa_encode_label): Store labels in gc memory when ggc_p is
3379 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Extend test to detect systems
3380 with MAP_ANONYMOUS and MAP_ANON.
3381 * configure, config.in: Rebuilt.
3383 2000-07-12 Gabriel Dos Reis <gdr@codesourcery.com>
3385 * diagnostic.c (save_output_state): Remove.
3386 (restore_output_state): Likewise.
3387 (clear_text_info): New function.
3388 (clear_diagnostic_info): Likewise.
3389 (output_text_length, is_starting_newline, output_prefix,
3390 line_wrap_cutoff, ideal_line_wrap_cutoff, prefix_was_emitted_for,
3391 prefixing_policy, output_buffer_ptr_to_format_args): New macros
3392 (set_real_maximum_length, output_set_maximum_length,
3393 output_set_prefix, output_get_prefix, output_set_maximum_length,
3394 output_destroy_prefix, init_output_buffer,
3395 reshape_diagnostic_buffer, output_space_left, output_emit_prefix,
3396 output_add_newline, output_add_character, output_add_space,
3397 output_append_r, output_append, wrap_text, output_format,
3398 output_do_printf, output_printf, output_do_verbatim,
3399 output_verbatim, verbatim): Use them.
3400 (output_clear): Split into cleat_text_info and
3401 clear_diagnostic_info.
3402 (struct output_state): Move to...
3404 * diagnostic.h: ...Here
3405 (struct output_buffer): Adjust.
3407 2000-07-11 Zack Weinberg <zack@wolery.cumb.org>
3409 * cpplex.c (parse_name): No longer inline (premature optimization).
3410 (do_pop_context): Fold into pop_context.
3411 (pop_context): Returns int.
3412 (lex_next): Hoist test for end of directive into pop_context.
3413 (push_macro_context): Returns int; takes just reader and token.
3414 Hoist test for excessive nesting to caller.
3415 (push_arg_context): Returns void; takes just reader and token.
3416 Do not call stringify_arg or get_raw_token.
3417 (get_raw_token): Convert tail recursion through push_arg_context
3418 to a loop at this level. Call stringify_arg here if appropriate.
3419 (maybe_paste_with_next): Convert tail recursion to a while loop.
3420 Hoist test of paste_level to caller.
3422 (stringify_arg): Push arg context at beginning.
3423 (cpp_get_token): Split out core into _cpp_get_token. Call
3424 process_directive here. Throw away CPP_PLACEMARKER tokens.
3425 (_cpp_get_token): Convert tail recursion through
3426 push_macro_context to a loop at this level.
3427 (_cpp_glue_header_name, is_macro_disabled, stringify_arg,
3428 _cpp_get_raw_token): Use _cpp_get_token.
3429 (_cpp_skip_rest_of_line): Drop the context stack directly; do
3430 not call pop_context.
3431 (_cpp_run_directive): Call lex_next directly.
3433 * cpphash.h: Prototype _cpp_get_token.
3434 * cppexp.c (lex): Use it.
3435 * cpphash.c (parse_define): Use it.
3436 * cpplib.c (get_define_node, do_undef, parse_include,
3437 read_line_number, do_line, do_ident, do_pragma, do_pragma_gcc,
3438 do_pragma_implementation, do_pragma_poison, do_pragma_dependency,
3439 parse_ifdef, validate_else): Use it.
3440 (cpp_push_buffer): Tweak error message; abort if anyone tries
3441 to push a buffer while macro expansions are stacked.
3443 2000-07-11 Donn Terry <donnte@microsoft.com>
3445 * cpplex.c (free_macro_args, save_token): Cast arg of free
3446 and/or xrealloc to PTR.
3447 (_cpp_init_input_buffer): Clear all fields of the base context.
3449 Tue Jul 11 15:28:21 CDT 2000 Clinton Popetz <cpopetz@cygnus.com>
3451 * gensupport.c (process_rtx): Make rtl checking stop
3452 complaining about the define_insn while it is being
3453 converted from a define_insn_and_split.
3455 Tue Jul 11 16:26:17 2000 Clinton Popetz <cpopetz@cygnus.com>
3457 * config/mips/mips.c (simple_memory_operand): Access the
3458 INTVAL of the address, not it's containing MEM.
3460 2000-07-11 Bruce Korb <bkorb@gnu.org>
3462 * fixinc/fixtests.c(double_slash): obsolete
3463 (else_endif_label): likewise
3464 * fixinc/inclhack.def(irix_multiline_cmnt): obsolete
3465 (libc1_ifdefd_memx): correct initial comment
3466 and omit the #if/#endif pair from the memxxx declarations
3467 * fixinc/fixincl.x: regen
3469 2000-07-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3471 * cpplex.c (T, I, S, C, N): Avoid non-constant initializers.
3473 2000-07-11 Neil Booth <NeilB@earthling.net>
3477 2000-07-11 Neil Booth <NeilB@earthling.net>
3479 * cppinit.c: (cpp_reader_init): Allow digraphs by default.
3480 (handle_option): Set digraphs according to standard.
3481 Merge OPT_lang_c89 handler with OPT_std_c89.
3483 * cpplex.c: (lex_line, can_paste): Honour digraphs in
3484 accordance with the digraphs flag.
3486 * cpplib.h: (struct cpp_options): New option digraphs.
3488 2000-07-10 Hans-Peter Nilsson <hp@axis.com>
3489 Bruce Korb <bkorb@gnu.org>
3491 * fixinc/inclhack.def (libc1_ifdefd_memx): New fix.
3492 * fixinc/fixincl.x: Regenerate.
3493 * fixinc/tests/base/testing.h: Add testcase.
3495 2000-07-10 Richard Henderson <rth@cygnus.com>
3497 * config/ia64/ia64.c (got_symbolic_operand): New.
3498 (symbolic_operand, move_operand): Revert 0701 change.
3499 * config/ia64/ia64.h (PREDICATE_CODES): Update.
3500 * config/ia64/ia64-protos.h (got_symbolic_operand): Declare.
3501 * config/ia64/ia64.md (movdi): Revert 0701 wrt symbolic_operand;
3502 split the offset into a 14-bit low part instead of a 13-bit low part.
3503 (load_fptr): Mark the mem as unchanging.
3504 (load_symptr): Use got_symbolic_operand.
3506 2000-07-10 Nick Clifton <nickc@cygnus.com>
3508 * libgcc2.c (next_stack_level): Cast result of computation to
3509 (void **) so that the assignment does not generate a warning.
3511 2000-07-10 Chandrakala Chavva <cchavva@redhat.com>
3513 * flags.h : Add new variable flag_single_precision_constant.
3514 * toplev.c (display_help) : Add -fsingle-precision-constant option.
3515 (flag_single_precision_constant): New.
3516 * c-lex.c (yylex): Convert floating point constant to single
3518 * invoke.texi : Add documentation for this new option.
3520 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3522 * diagnostic.c (output_octal): Second parameter is unsigned.
3523 (output_long_octal): Likewise.
3524 (output_hexadecimal): Likewise.
3525 (output_long_hexadecimal): Likewise.
3526 (output_format): Adjust arguments extraction. Tweak.
3527 (output_verbatim, verbatim): End variable argument list.
3528 (report_diagnostic): Improve documentation.
3530 2000-07-10 Benjamin Chelf <chelf@codesourcery.com>
3532 * c-common.h (build_stmt): Declare.
3533 (build_continue_stmt): Likewise.
3534 (build_break_stmt): Likewise.
3535 (build_return_stmt): Likewise.
3537 * c-decl.c (do_case): Rewrite to do what previously done in
3540 * c-semantics.c (build_stmt): Define.
3541 (build_return_stmt): Likewise.
3542 (build_break_stmt): Likewise.
3543 (build_continue_stmt): Likewise.
3544 (build_case_label): Likewise.
3546 * c-parse.in (BREAK): Change to build tree, then generate RTL.
3547 (CONTINUE): Likewise.
3550 (DEFAULT): Likewise.
3552 * c-parse.y: Regenerate.
3553 * c-pasre.c: Likewise.
3555 2000-07-09 Jason Merrill <jason@redhat.com>
3557 * expr.c (expand_expr): Bail earlier if we get an error_mark_node.
3559 * tree.h (STRIP_NOPS): Check for error_mark_node.
3560 (STRIP_SIGN_NOPS, STRIP_TYPE_NOPS): Likewise.
3561 (dwarf2out_*): Remove duplicate declarations.
3563 * c-decl.c (duplicate_decls): Copy DECL_ABSTRACT_ORIGIN from
3564 DECL_ABSTRACT_ORIGIN, not DECL_ORIGIN.
3566 2000-07-10 Gabriel Dos Reis <gdr@codesourcery.com>
3568 * diagnostic.c (wrap_text): New function.
3569 (maybe_wrap_text): Likewise.
3570 (output_add_string): Use it.
3571 (output_format): Likewise.
3572 (count_error): Use verbatim instead of notice.
3573 (report_error_function): Likewise. Don't use plain fprintf.
3574 (finish_diagnostic): New function.
3575 (output_do_verbatim): Tweak. Commonalize functionalities in
3576 output_verbatim and verbatim.
3577 (output_verbatim): Adjust.
3578 (verbatim): Likewise.
3579 (report_diagnostic): Define.
3581 * diagnostic.h (report_diagnostic): Prototype.
3583 2000-07-09 Zack Weinberg <zack@wolery.cumb.org>
3585 * cppexp.c (_cpp_parse_expr): Don't use unary plus.
3587 2000-07-09 Neil Booth <NeilB@earthling.net>
3589 * cpphash.h: ISvspace, is_vspace, is_nvspace: New.
3590 IShspace, ISspace: Update.
3592 * cppinit.c: ISTABLE: Update.
3595 * cpplex.c (IS_HSPACE, S_NEWLINE): Remove.
3596 (IS_DIRECTIVE): Rename KNOWN_DIRECTIVE.
3597 (skip_block_comment, skip_line_comment, parse_string,
3598 lex_line): Use is_vspace rather than IS_NEWLINE.
3599 (skip_whitespace, lex_line): Clean up to use is_nvspace.
3600 (lex_line): Use KNOWN_DIRECTIVE. Any kind of directive
3602 (lex_next): Unconditionally stop if within a directive.
3603 Treat directives within macro invocations as directives
3604 (after parse_args emits error), not as the argument.
3606 2000-07-09 Gabriel Dos Reis <gdr@codesourcery.com>
3608 * diagnostic.c (diagnostic_args): New macro.
3609 (diagnostic_msg): Likewise.
3610 (output_formatted_integer): Likewise.
3611 (output_state): New data type.
3612 (digit_buffer): Make global.
3613 (output_add_integer): Rename to output_decimal. Squeeze
3615 (output_long_decimal, output_unsigned_decimal,
3616 output_long_unsigned_decimal, output_octal, output_long_octal,
3617 output_hexadecimal, output_long_hexadecimal): New functions.
3618 (output_append_r): New function.
3619 (output_append): Tweak.
3620 (output_flush_on): Rename to output_to_stream.
3621 (output_format): Change prototype. Improve documentation. Handle
3622 more format specifiers.
3623 (build_location_prefix): Rename to context_as_prefix.
3624 (output_notice): Rename to output_do_printf.
3625 (output_printf): Tweak.
3626 (line_wrapper_printf): Likewise.
3627 (vline_wrapper_message_with_location): Adjust call to renamed
3629 (v_message_with_decl): Likewise.
3630 (default_print_error_function): Likewise.
3631 (save_output_state): New function.
3632 (restore_output_state): Likewise.
3633 (output_do_verbatim): Likewise.
3634 (output_verbatim): Define.
3635 (verbatim): Likewise.
3637 * diagnostic.h (printer_fn): Change return type from void to int.
3638 Improve documentation.
3639 (output_add_integer): Rename to output_decimal.
3640 (output_flush_on, output_format): Don't export.
3641 (output_verbatim, verbatim): Declare.
3643 2000-07-08 Toon Moene <toon@moene.indiv.nluug.nl>
3645 * fold-const.c (extract_muldiv) case PLUS_EXPR, MINUS_EXPR:
3646 Check whether c divides op1 exactly if operation is not
3649 2000-07-08 Richard Henderson <rth@cygnus.com>
3651 * final.c (final): Do not abort when reg-stack introduces
3654 2000-07-08 Zack Weinberg <zack@wolery.cumb.org>
3656 * cpplib.h (struct cpp_name): Now struct cpp_string.
3657 (CPP_INT, CPP_FLOAT, CPP_NUMBER, CPP_COMMENT,
3658 CPP_HEADER_NAME): Change to type S.
3659 (struct cpp_token): Rename 'name' field to 'str'. Add 'node'
3660 field, a cpp_hashnode *. All references to val.name updated
3661 to use val.str or val.node as appropriate.
3662 (struct cpp_reader): Add spec_nodes field.
3663 (cpp_idcmp): Now cpp_ideq; takes a token * and a char *.
3665 * cpphash.h (struct spec_nodes): New.
3666 (enum spell_type): Reorder. Only SPELL_STRING tokens use
3667 val.str. All references to 'spelling > SPELL_NONE' updated to
3670 (CPP_IN_SYSTEM_HEADER): Check pfile->buffer and
3671 pfile->buffer->inc are not NULL before dereferencing them.
3673 * cpplex.c (parse_name): Take a pointer to the current token,
3674 plus current position and limit as args; return the new
3675 position; don't copy the text of a name into the string
3676 buffer, instead call cpp_lookup and store the node pointer.
3677 If extending a token, copy out the text of the old into a
3678 scratch buffer, append the new, look that up and store the new
3679 node pointer. Inline.
3680 (maybe_paste_with_next): If the result of paste is a NAME,
3681 then look up the pasted text and store its node pointer.
3682 (lex_line): Adjust for new parse_name interface.
3683 Check for L"str", L'str' using spec_nodes->n_L.
3684 (spell_token): SPELL_IDENT tokens have their spelling in
3685 val.node->name. Handle SPELL_STRING tokens that don't have
3687 (_cpp_expand_name_space,
3688 (can_paste): Check for L ## "str" using spec_nodes->n_L.
3689 (cpp_get_token, special_symbol): No need to call cpp_lookup.
3690 (cpp_idcmp): Now cpp_ideq; take a token * and a const char *;
3691 return 1=equal 0=not, not a tristate.
3693 * cpphash.c (var_args_str): Delete.
3694 (find_param): Compare node fields directly.
3695 (is__va_args__): Use CPP_PEDANTIC. Just compare
3696 token->val.node with spec_nodes->n__VA_ARGS__.
3697 (dump_funlike_macro): Don't use var_args_str.
3699 * cpplib.c (_cpp_check_directive): Just walk through
3700 spec_nodes->dirs comparing pointers.
3701 (get_define_node, do_pragma_poison, detect_if_not_defined,
3702 parse_ifdef): The identifier has already been looked up.
3703 (do_ifdef, do_ifndef): parse_ifdef won't return a poisoned
3705 (do_if): Only call detect_if_not_defined at beginning of file.
3706 (_cpp_parse_assertion): Only copy string pointers for
3707 SPELL_STRING tokens.
3708 (pragma_dispatch): Take a node pointer and examine its name
3710 (_cpp_init_stacks): Also initialize the spec_nodes structure.
3712 * cppinit.c (cpp_reader_init): Call _cpp_init_stacks after
3714 (cpp_cleanup): Free pfile->spec_nodes. Call _cpp_cleanup_* in
3715 reverse order from the corresponding _cpp_init_* routines.
3717 * cppexp.c (parse_number, parse_charconst, parse_defined,
3718 lex): Check val.node->type instead of calling cpp_defined.
3719 Use spec_nodes entries where appropriate.
3721 * fix-header.c, scan-decls.c: Update for interface changes.
3723 2000-07-08 Geoffrey Keating <geoffk@cygnus.com>
3725 * config/rs6000/rs6000.c (rs6000_emit_move): Fix conditions for
3726 emitting aux_truncdfsf2.
3728 2000-07-03 Donn Terry (donnte@microsoft.com)
3730 * cppinit.c (print_help): split overlong line into ISO C89
3733 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3735 * cppexp.c: Update all code for new lexer interface.
3736 (op_t, operator codes, struct token, tokentab2, op_to_str): Remove.
3737 (struct suffix, vsuf_1, vsuf_2, vsuf_3, op_to_prio): New.
3738 * cpplex.c (token_names): Trim leading CPP_ from names; make
3739 the strings unsigned.
3740 (_cpp_spell_operator): New.
3741 (is_macro_disabled): Disable all macros if rescanning
3743 (_cpp_get_directive_token): Remove.
3745 * cppinit.c: Don't set no_macro_expand.
3746 * cpplib.c (read_line_number, do_line): Check only for EOF,
3748 * cpphash.h: Update prototypes.
3749 * cpplib.h (CPP_VSPACE): Remove.
3750 (struct cpp_reader): Remove no_macro_expand.
3752 2000-07-08 Neil Booth <NeilB@earthling.net>
3754 * cpphash.c (is__va_args__): New function.
3755 (count_params): Fix line reported in error messages. Use
3756 is__va_args__. Don't return ')' on error. Flag GNU style
3757 rest args macro definitions.
3758 (parse_define): Check macro name is not __VA_ARGS__.
3759 (save_expansion): Check identifier in non-varargs-macro is
3760 not __VA_ARGS__. Don't flag GNU_VARARGS.
3761 * cpplex.c (parse_args): Accept no argument iff GNU_REST_ARGS.
3762 (maybe_paste_with_next): Use per-macro GNU_REST_ARGS rather
3763 than per-token GNU_VARARGS.
3764 * cpplib.h (GNU_VARARGS): Remove.
3765 (GNU_REST_ARGS): New.
3767 Sat Jul 8 01:38:25 MET DST 2000 Jan Hubicka <jh@suse.cz>
3769 * i386.md (call_pop, call, call_value_pop): Do not set
3770 current_function_uses_pic_offset_table for calls to static
3771 functions or indirect calls.
3773 2000-07-07 Jim Wilson <wilson@cygnus.com>
3775 * config/ia64/ia64.c (rws_access_reg): New local write_count. If
3776 is_predicate_reg, then take max write_count of register pair.
3778 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3780 * tradcpp.c (main): Rename label `include' to `add_include' to
3781 avoid conflicts with variable `include' in traditional C.
3783 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3785 * integrate.c (copy_insn_list): Remove REG_LABEL notes.
3787 2000-07-07 Jakub Jelinek <jakub@redhat.com>
3789 * sibcall.c (uses_addressof): Add INMEM argument, check for
3790 current_function_internal_arg_pointer outside of MEM rtxs in addition
3792 (sequence_uses_addressof): Update caller.
3794 2000-07-07 Zack Weinberg <zack@wolery.cumb.org>
3796 * tradcpp.c (initialize_builtins): Honor NO_BUILTIN_SIZE_TYPE
3799 2000-07-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3801 * system.h (UNION_INIT_ZERO): New macro for initializing union
3804 * cpplex.c (placemarker_token, eof_token): Use UNION_INIT_ZERO.
3806 2000-07-07 Neil Booth <NeilB@earthling.net>
3810 Fri Jul 7 07:47:35 2000 Jeffrey A Law (law@cygnus.com)
3812 * final.c (final): Detect out of bounds array access to
3813 the insn_lengths array.
3815 2000-07-07 Kazu Hirata <kazu@hxi.com>
3817 * fold-const.c (fold): Fix a comment typo.
3819 2000-07-07 Neil Booth <NeilB@earthling.net>
3821 * cpp.texi: Update to new lexer.
3823 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3825 * tradcpp.c: New file.
3826 * tradcif.y: New file.
3827 * tradcif.c: New generated file.
3829 * Makefile.in: Add rules to build tradcpp.o, tradcif.o,
3830 $(srcdir)/tradcif.c. Add tradcpp to STAGESTUFF and
3831 dependencies of C. Install tradcpp from install-common, in
3834 2000-07-06 Zack Weinberg <zack@wolery.cumb.org>
3836 * cppinit.c: Include cppdefault.h. Refer to
3837 cpp_GCC_INCLUDE_DIR and cpp_GCC_INCLUDE_DIR_len, not directly
3838 to GCC_INCLUDE_DIR and its length.
3839 (SIZE_TYPE, PTRDIFF_TYPE, WCHAR_TYPE,
3840 USER_LABEL_PREFIX, REGISTER_PREFIX, struct default_include,
3841 STANDARD_INCLUDE_DIR, STANDARD_INCLUDE_COMPONENT): Move to
3843 (include_defaults_array): Move to cppdefault.c.
3845 * cppdefault.h: New file.
3846 * cppdefault.c: New file.
3848 * Makefile.in (LIBCPP_OBJS): Add cppdefault.o.
3849 (cppinit.o): Don't apply $(PREPROCESSOR_DEFINES) to this file.
3850 (cppdefault.o): New rule; apply $(PREPROCESSOR_DEFINES) to
3853 Thu Jul 6 18:30:36 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3855 * reload.c (push_reload): When seeing if can reuse a register,
3856 check extra registers against widest of INMODE and OUTMODE.
3858 2000-07-06 Neil Booth <NeilB@earthling.net>
3860 * cpplib.c: (_cpp_parse_assertion): Perform hash lookups
3861 based on full length of predicate.
3863 2000-07-06 Hans-Peter Nilsson <hp@axis.com>
3865 * timevar.c: [HAVE_SYS_RESOURCE_H]: Include <sys/resource.h>.
3866 [NEED_DECLARATION_GETRUSAGE]: Declare getrusage.
3868 2000-07-05 Kazu Hirata <kazu@hxi.com>
3870 * h8300-proto.h: Fix formatting.
3871 * h8300.c: Likewise.
3872 * h8300.h: Likewise.
3874 2000-07-05 Jim Wilson <wilson@cygnus.com>
3876 * config/ia64/ia64.h (HARD_REGNO_MODE_OK): If FR_REGNO_P, disallow
3879 2000-07-05 Rodney Brown <RodneyBrown@pmsc.com>
3881 * invoke.texi: Fix minor typos
3882 * md.texi: Fix minor typos
3884 2000-07-05 Zack Weinberg <zack@wolery.cumb.org>
3886 * cpplib.c (_cpp_parse_assertion): Fix buffer overrun.
3888 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3890 * cpplex.c: Don't include sys/mman.h.
3891 (cpp_push_buffer, cpp_pop_buffer): Moved to cpplib.c.
3893 * cpplib.c: Include sys/mman.h and obstack.h.
3894 (cpp_push_buffer): Moved from cpplex.c; allocate buffers on an
3896 (cpp_pop_buffer): Moved from cpplex.c; free buffers from an obstack.
3897 (_cpp_unwind_if_stack): Now static, unwind_if_stack. Don't
3898 bother freeing if stack entries (they will be freed with their buffer).
3899 (do_endif): Free if stack entries from the buffer obstack.
3900 (push_conditional): Allocate if stack entries from the buffer obstack.
3902 (find_answer): Rename to _cpp_find_answer.
3903 (do_assert, do_unassert): Update.
3905 * cpphash.h: Update prototypes.
3906 (xobnew): New convenience macro.
3907 * cpplib.h (struct cpp_reader): Add hash_ob and buffer_ob fields.
3909 (struct cpp_hashnode): Remove disabled field.
3911 * cppinit.c: Don't include hashtab.h or splay-tree.h.
3912 (report_missing_guard): Moved to cppfiles.c.
3913 (cpp_reader_init): Call cpp_init_stacks, cpp_init_macros,
3915 (cpp_cleanup): Call cpp_cleanup_stacks, cpp_cleanup_macros,
3916 cpp_cleanup_includes. Don't destroy hashtab or
3917 all_include_files here.
3918 (cpp_finish): Use _cpp_report_missing_guards.
3920 * cppfiles.c (report_missing_guard): Moved from cppinit.c.
3921 (_cpp_init_include_table): Rename _cpp_init_includes.
3922 (_cpp_cleanup_includes, _cpp_report_missing_guards): New.
3924 * cppexp.c (parse_assertion): Update for new name of
3927 * Makefile.in (cpplib.o, cpphash.o, cppinit.o): Update deps.
3929 2000-07-04 Zack Weinberg <zack@wolery.cumb.org>
3931 * cpplib.c (do_ident): s/VSPACE/EOF/
3933 2000-07-05 Neil Booth <NeilB@earthling.net>
3935 * cpplex.c: Fix trigraph replacement within strings.
3937 2000-07-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3939 * rs6000/aix.h (ASM_GENERATE_INTERNAL_LABEL): Fix format specifier.
3941 * xcoffout.c (assign_type_number): Constify.
3942 (xcoffout_source_file): Add static prototype. Don't needlessly
3943 cast away const-ness.
3945 2000-07-04 Jason Merrill <jason@redhat.com>
3947 * frame.h (frame_state): Move base_offset to end.
3949 Mon Jul 3 21:31:43 2000 Clinton Popetz <cpopetz@cygnus.com>
3951 * calls.c (emit_library_call_value_1): Revert previous change.
3953 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
3955 * fix-header.c (struct partial_proto): Remove unnecessary fields.
3956 (recognized_extern, recognized_function, read_scan_file):
3957 Update for new scheme.
3958 (check_protection): It's still a multiple include guard even
3959 if it doesn't always trigger.
3960 * scan-decls.c (skip_to_closing_brace, scan_decls): Update for
3962 * scan.h: Declare struct cpp_token. Update prototypes.
3964 2000-07-03 Neil Booth <neilb@earthling.net>
3965 Zack Weinberg <zack@wolery.cumb.org>
3967 Complete overhaul of the lexer and macro expander.
3969 * cpphash.c (object_defn, funct_defn, push_macro_expansion,
3970 arg, arglist, argdata, reflist, collect_objlike_expansion,
3971 collect_funlike_expansion, collect_params,
3972 warn_trad_stringify, trad_stringify, duplicate_arg_p, add_pat,
3973 unsafe_chars, macarg, compare_defs, special_symbol,
3974 scan_arguments, stringify, funlike_macroexpand,
3975 _cpp_quote_string, monthnames): Delete.
3976 (cpp_lookup, _cpp_free_definition, dump_funlike_macro,
3977 _cpp_create_definition, _cpp_dump_definition,
3978 dump_hash_helper): Adjust.
3979 (find_param, count_params, parse_define, var_args_str,
3980 check_macro_redefinition, save_expansion): New.
3982 * cpplex.c (skip_block_comment, skip_line_comment, parse_name,
3983 parse_string, output_line_command, trigraph_replace,
3984 lex_line, cpp_push_buffer, cpp_pop_buffer, cpp_output_tokens,
3985 cpp_scan_buffer_nooutput, cpp_scan_buffer, cpp_free_toklist,
3986 cpp_idcmp, _cpp_get_directive_token, _cpp_init_input_buffer,
3987 _cpp_skip_rest_of_line): Modify.
3989 (maybe_macroexpand, skip_comment, copy_comment, skip_string,
3990 find_position, null_warning, bump_column, expand_name_space,
3991 pedantic_whitespace, _cpp_output_list, _cpp_slice_toklist,
3992 _cpp_squeeze_toklist, _cpp_scan_until, _cpp_skip_hspace,
3993 _cpp_parse_name, _cpp_lex_token, cpp_get_non_space_token,
3994 _cpp_prescan): Delete.
3996 (dump_param_spelling, process_directive, lex_next,
3997 is_macro_disabled, stringify_arg, expand_context_stack,
3998 output_token, make_string_token, alloc_number_token,
3999 special_symbol, duplicate_token, maybe_paste_with_next,
4000 can_paste, prevent_macro_expansion, restore_macro_expansion,
4001 get_temp_token, release_temp_tokens, quote_string,
4002 token_names, token_spellings, _cpp_expand_name_space,
4003 _cpp_glue_header_name, _cpp_reserve_name_space,
4004 digraph_spellings, trigraph_ok, skip_whitespace, save_comment,
4005 placemarker_token, eof_token, cpp_context, macro_args,
4006 get_raw_token, parse_arg, parse_args, save_token,
4007 push_arg_context, push_macro_context, pop_context,
4008 do_pop_context, free_macro_args, _cpp_get_line,
4009 _cpp_run_directive): New.
4011 * cpplib.c (validate_else, parse_include, push_conditional,
4012 pass_thru_directive, read_line_number, parse_ifdef,
4013 detect_if_not_defined, _cpp_check_directive, do_define,
4014 do_undef, do_include, do_import, do_include_next, do_error,
4015 do_warning, do_ident, do_pragma, pragma_dispatch, gcc_pragmas,
4016 top_pragmas, do_pragma_gcc, do_pragma_implementation,
4017 do_pragma_poison, do_pragma_system_header,
4018 do_pragma_dependency, do_sccs, do_ifdef, do_ifndef, do_else,
4019 dl_elif, do_endif, _cpp_unwind_if_stack, do_assert,
4020 do_unassert, cpp_define, cpp_undef, cpp_assert, cpp_unassert,
4021 cpp_defined): Update for new scheme.
4022 (strtoul_for_line, get_define_node, dump_macro_name,
4023 _cpp_check_linemarker, _cpp_parse_assertion): New.
4024 (_cpp_handle_directive, do_pragma_default): Delete.
4026 * cpphash.h (struct predicate): Now struct answer.
4027 (enum spell_type, struct token_spelling, struct directive,
4028 directive_handler): New.
4029 Update prototypes. Remove unused macros.
4030 * cpplib.h: Update prototypes. Remove unused macros,
4031 structure definitions, and fields.
4033 * cpperror.c (print_containing_files, v_message): Adjust.
4034 * cppexp.c (parse_assertion, lex, parse_escape,
4035 _cpp_parse_expr): Adjust.
4036 * cppfiles.c (open_include_file, _cpp_execute_include,
4037 _cpp_compare_file_date, cpp_read_file, read_include_file):
4039 * cppinit.c (dump_special_to_buffer): Delete.
4040 (append_include_chain, merge_include_chains, cpp_reader_init,
4041 cpp_cleanup, initialize_builtins, builtin_array, cpp_start_read,
4042 cpp_finish, handle_option, print_help): Adjust.
4043 * cppmain.c (main): Adjust.
4045 2000-07-03 Zack Weinberg <zack@wolery.cumb.org>
4047 * cppspec.c (lang_specific_driver): Use double quotes in error
4050 Mon Jul 3 16:53:43 2000 Clinton Popetz <cpopetz@cygnus.com>
4052 * calls.c (emit_library_call_value_1): Use valreg instead
4053 of hard_libcall_value.
4055 2000-07-03 Geoff Keating <geoffk@cygnus.com>
4057 * config/rs6000/rs6000.c (rs6000_emit_move): New function.
4058 * config/rs6000/rs6000-proto.h: Prototype rs6000_emit_move.
4059 * config/rs6000/rs6000.md (movsi): Use rs6000_emit_move.
4067 * expmed.c (expand_mult_highpart): Use op1 instead of wide_op1 when
4068 mode instead of wider_mode is being used.
4070 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4072 * config/i386/i386.md (movstrictqi_xor): Use 'q' constraint instead
4073 of 'r'. Use q_regs_operand.
4074 (andsi_1+2): Use q_regs_operand.
4076 2000-07-03 Jakub Jelinek <jakub@redhat.com>
4078 * builtins.c (get_memory_rtx): Always put into alias set 0.
4080 2000-07-03 Nick Clifton <nickc@cygnus.com>
4082 * config/arm/arm.md: Fix post increment and pre increment
4083 peepholes so that they do not generate UNPREDICATBLE opcodes.
4084 (ie ones where the increment clobbers the source/destination).
4086 2000-07-01 Marek Michalkiewicz <marekm@linux.org.pl>
4088 * config/avr/avr.c (out_adj_frame_ptr): Make "frame pointer
4089 change too big for -mtiny-stack" a warning, if larger than 63.
4090 (out_set_stack_ptr): Change the logic so -mno-interrupts is
4091 always safe to use on possible future devices.
4092 (function_prologue): Write SPH before SPL, for consistency.
4093 If interrupt_func_p true, we know we have enabled interrupts.
4094 (avr_num_arg_regs): New function. Round up to even number of
4095 bytes if no -mpack-args or if calling a libgcc function.
4096 (function_arg, function_arg_advance): Use it.
4097 (output_movsisf, ashlsi3_out, ashrsi3_out, lshrsi3_out):
4098 Output "movw" if available.
4099 (out_tsthi, out_tstsi, ashlqi3_out, lshrqi3_out): Change uses
4100 of TEST_HARD_REG_CLASS macro to test_hard_reg_class function.
4101 (asm_output_section_name): Add blanks for consistent output.
4102 (encode_section_info): Set TREE_READONLY for progmem data to
4103 avoid gas warnings about changed section attributes.
4104 (avr_hard_regno_mode_ok): Force non-QImode data to start in
4105 even numbered registers on devices with "movw".
4106 * config/avr/avr.h (MASK_*): Define bits for target_flags.
4107 (TARGET_SWITCHES): Mark help strings for translation.
4108 Add new -mpack-args and -menhanced switches.
4109 (TARGET_OPTIONS): Mark help strings for translation.
4110 (progmem_section): Add section attributes.
4111 * config/avr/avr.md (*movhi, call_insn, call_value_insn):
4112 Output "movw" if available.
4113 (mulqi3, mulqihi3, umulqihi3, mulhi3, *tablejump_enh):
4115 * config/avr/libgcc.S (_mulqi3, _divqi3): Update to the new
4116 call convention (arguments aligned on even registers).
4117 (_cleanup, _exit): Make weak symbols libc can override.
4119 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4121 * fp-bit.h: New file.
4123 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
4124 Comment #endif statements.
4125 (__thenan_sf, __thenan_df): Add missing braces around initializer.
4127 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
4129 * gcse.c (compute_pre_data): Compute ae_kill using other local
4130 properties instead of calling compute_ae_kill.
4132 * alias.c (init_alias_analysis): Do not call
4133 prologue_epilogue_contains until after reload has completed.
4135 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
4137 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
4138 (genrtl_finish_compound_stmt): Likewise.
4139 (genrtl_compound_stmt): Change to return void.
4141 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
4142 move code from here to ...
4143 (genrtl_compound_stmt): ... here.
4144 (genrtl_finish_compound_stmt): Remove.
4145 (expand_stmt): Add comment.
4147 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
4149 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
4152 2000-07-02 Jakub Jelinek <jakub@redhat.com>
4154 * cpplib.h (struct cpp_reader): New field include_depth.
4155 (struct cpp_printer): Rename last_bsd to last_id.
4156 * cppfiles.c (read_include_file): Bump include_depth.
4157 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
4158 (output_line_command): Output correct #line if a header
4159 is including itself and is not protected against multiple inclusion.
4160 Use include_depth instead of buffer_stack_depth, last_id instead of
4162 * cppinit.c (cpp_start_read): Initialize last_id instead of
4165 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
4167 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
4168 (c-semantics.o): New target.
4170 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
4171 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
4172 (genrtl_clear_out_block): Likewise.
4173 (genrtl_goto_stmt): Likewise.
4174 (genrtl_expr_stmt): Likewise.
4175 (genrtl_decl_stmt): Likewise.
4176 (genrtl_if_stmt): Likewise.
4177 (genrtl_while_stmt): Likewise.
4178 (genrtl_do_stmt): Likewise.
4179 (genrtl_return_stmt): Likewise.
4180 (genrtl_for_stmt): Likewise.
4181 (genrtl_break_stmt): Likewise.
4182 (genrtl_continue_stmt): Likewise.
4183 (genrtl_scope_stmt): Likewise.
4184 (genrtl_switch_stmt): Likewise.
4185 (genrtl_case_label): Likewise.
4186 (genrtl_begin_compound_stmt): Likewise.
4187 (gerntl_finish_compound_stmt): Likewise.
4188 (genrtl_compound_stmt): Likewise.
4189 (genrtl_asm_stmt): Likewise.
4190 (genrtl_decl_cleanup): Likewise.
4191 (DECL_ANON_UNION_ELEMS): Likewise.
4192 (emit_local_var): Likewise.
4193 (make_rtl_for_local_static): Likewise.
4194 (expand_cond): Likewise.
4195 (expand_stmt): Likewise.
4196 (c_expand_return): Likewise.
4197 (c_expand_start_case): Likewise.
4198 (do_case): Likewise.
4199 (COMPOUND_STMT_NO_SCOPE): Likewise.
4200 (c_expand_asm_operands): Likewise.
4201 (NEW_FOR_SCOPE_P): New macro.
4202 (expand_expr_stmt_fn): New type.
4204 (set_current_function_name_declared): Likewise.
4205 (current_function_name_declared): Likewise.
4206 (lang_expand_stmt): Likewise.
4207 (stmts_are_full_exprs_p): Likewise.
4208 (anon_aggr_type_p): Likewise.
4209 (lang_expand_expr_stmt): Likewise.
4210 (build_case_label): Likewise.
4212 * c-decl.c (lang_expand_expr_stmt): Initialize.
4213 (stmts_are_full_exprs_p): Define.
4214 (current_function_name_declared): Likewise.
4215 (do_case): Likewise.
4216 (lang_expand_stmt): Likewise.
4217 (set_current_function_name_declared): Likewise.
4218 (anon_aggr_type_p): Likewise.
4220 * c-semantics.c: New file.
4221 (expand_cond): Moved from cp/semantics.c.
4222 (genrtl_do_pushlevel): Likewise.
4223 (genrtl_clear_out_block): Likewise.
4224 (genrtl_goto_stmt): Likewise.
4225 (genrtl_expr_stmt): Likewise.
4226 (genrtl_decl_stmt): Likewise.
4227 (genrtl_if_stmt): Likewise.
4228 (genrtl_while_stmt): Likewise.
4229 (genrtl_do_stmt): Likewise.
4230 (genrtl_return_stmt): Likewise.
4231 (genrtl_for_stmt): Likewise.
4232 (genrtl_break_stmt): Likewise.
4233 (genrtl_continue_stmt): Likewise.
4234 (genrtl_scope_stmt): Likewise.
4235 (genrtl_switch_stmt): Likewise.
4236 (genrtl_case_label): Likewise.
4237 (genrtl_begin_compound_stmt): Likewise.
4238 (genrtl_finish_compound_stmt): Likewise.
4239 (genrtl_compound_stmt): Likewise.
4240 (genrtl_asm_stmt): Likewise.
4241 (genrtl_decl_cleanup): Likewise.
4242 (make_rtl_for_local_static): Moved from cp/decl.c.
4243 (emit_local_var): Likewise.
4244 (expand_stmt): Define.
4246 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
4247 (c_expand_return): Likewise.
4248 (c_expand_start_case): Likewise.
4250 2000-07-01 Richard Henderson <rth@cygnus.com>
4252 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
4253 with the low 13 bits set.
4254 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
4255 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
4256 of the low 13 bits into a CONST plus an adddi3.
4257 (load_symptr): Set RTX_UNCHANGING_P.
4259 See ChangeLog.3 for earlier changes.