1 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
3 * Makefile.in (libgcc.ready): Lose.
4 (libgcc.mk): Just use mv, not move-if-change.
5 (LIBGCC_DEPS): New macro.
7 (stmp-multilib): Likewise.
8 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
9 it rather than the directories themselves.
10 (LIB2ADD): Depend on the list file rather than 'force'.
12 * fold-const.c (fold, case COND_EXPR): Elide conversion between
13 cv-qualified versions of types.
15 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
17 * config/sparc/sparc.c (short_branch): Correct error in range
20 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
22 * fixinc/inclhack.def: New include hacks for ultrix.
23 * (nested_ultrix): Replaced by ultrix_nested_svc.
24 * (ultrix_atof_param): test_text string added.
25 * (ultrix_ifdef): Modified select string.
27 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
29 * objc/objc-act.c (generate_method_descriptors): Register
30 objc_method_prototype_template as a GC root.
31 (comp_method_with_proto): Register function_type as a GC root.
32 (comp_proto_with_proto): Replace function_type1 and
33 function_type2 with a two-element array; register it as a GC root.
35 (generate_protocols, build_protocol_initializer,
36 generate_protocol_list, build_category_initializer,
37 build_shared_structure_initializer): Do not cache cast_type
40 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
42 * function.c (assign_parms): Add missing argument to set_mem_attributes
45 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
47 * tree.h (VOID_TYPE_P): New macro.
48 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
49 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
50 (get_parm_info): Likewise.
51 (store_parm_decls): Likewise.
52 (combine_parm_decls): Likewise.
53 (finish_function): Likewise.
54 * c-typeck.c (build_function_call): Likewise.
55 (build_binary_op): Likewise.
56 (build_conditional_expr): Likewise.
57 (internal_build_compound_expr): Likewise.
58 (convert_for_assignment): Likewise.
59 * stmt.c (expend_expr_stmt): Likewise.
60 (warn_if_unused_value): Likewise.
61 (expand_return): Likewise.
62 * c-parse.in (primary): Likewise.
63 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
64 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
66 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
68 * alias.c (get_alias_set): If compnent is addressable, use alias
70 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
71 (grokdeclarator): Likewise.
72 * c-typeck.c (common_type): Likewise.
74 2000-06-04 Alex Samuel <samuel@codesourcery.com>
76 * Makefile.in (OBJS): Remove dyn_string.o
77 (dyn-string.o): Delete rule.
78 * dyn-string.c: Delete file
79 * dyn-string.h: Likewise.
81 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
83 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
86 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
88 * alias.c (record_component_aliases): Don't inspect
89 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
91 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
93 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
94 it with the pattern to do machine dependent work.
95 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
96 use it to modify the true/false tests used in conditional
97 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
98 defined, invoke them if the conversion to conditional execution
99 was successful or not.
101 * tm.texi (IFCVT_MODIFY_TESTS): Document.
102 (IFCVT_MODIFY_INSN): Ditto.
103 (IFCVT_MODIFY_FINAL): Ditto.
104 (IFCVT_MODIFY_CANCEL): Ditto.
106 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
108 * toplev.c (main): Fix misspellings of possibility and language.
110 2000-06-03 Richard Henderson <rth@cygnus.com>
112 * alias.c (record_alias_subset): Initialize has_zero_child in the
115 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
117 * arm.md (untyped_call): Use GEN_CALL macro.
119 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
121 * Makefile.in: Use $(MAKE) not "make"
123 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
125 * alias.c (struct alias_set_entry): New field has_zero_child.
126 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
127 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
129 Call record_component_aliases for aggregate types.
130 (record_alias_subset): Set has_zero_child.
131 (record_component_aliases, case ARRAY_TYPE): Do nothing if
132 TYPE_NONALIASES_COMPONENT.
133 (record_component_aliases, case RECORD_TYPE): Test
134 DECL_NONADDRESSABLE_P.
135 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
137 * calls.c (initialize_argument_information): Only test
138 TYPE_TRANSPARENT_UNION for UNION_TYPE.
139 * function.c (assign_parms): Likewise.
140 * integrate.c (function_cannot_inline_p): Likewise.
141 * stor-layout.c (finish_record_layout): Don't call
142 record_component_aliases.
143 * tree.h (struct tree_int_cst): Use struct tree_common.
144 (struct tree_real_cst, struct tree_string): Likewise.
145 (struct tree_complex, struct tree_identifier): Likewise.
146 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
147 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
148 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
149 (TYPE_NONALIASES_COMPONENT): New macro.
150 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
151 (DECL_NONADDRESSABLE_P): New macro.
152 (struct tree_decl): Reorder bits for clarity of how many left;
155 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
157 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
158 * mklibgcc.in (force): New target.
159 Make LIB2ADD stuff depend on it.
161 2000-06-02 Richard Henderson <rth@cygnus.com>
163 * alias.c (lang_get_alias_set): Remove.
164 (get_alias_set): Call it directly, not indirectly.
165 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
166 * c-common.h (c_get_alias_set): Don't declare.
167 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
168 * expr.h (lang_get_alias_set): Declare as function, not pointer.
170 2000-06-02 Bruce Korb <bkorb@gnu.org>
172 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
173 (server_setup): define the server's master pid
174 (close_server): actually do the deed IFF we are the server's master
176 2000-06-02 Jakub Jelinek <jakub@redhat.com>
178 * c-common.c (c_get_alias_set): Check whether signed_type did not
179 return its argument before calling get_alias_set on the result.
181 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
183 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
185 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
187 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
188 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
189 for TARGET_NOMACSAVE.
190 (NOMACSAVE_BIT): Define.
191 (TARGET_NOMACSAVE): Define.
192 (TARGET_SWITCHES): Add "nomacsave".
194 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
196 * sh.md (untyped_call): Remove excess parameters
198 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
200 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
201 match that used before the conversion to c_fix style.
202 * fixinc/fixincl.x: regenerate
204 2000-06-01 Stan Cox <scox@cygnus.com>
206 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
209 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
211 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
213 * cpplib.c (parse_include): Remove support for VAX-C
214 "#include starlet" misfeature.
216 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
218 * cppfiles.c: conditionally define O_BINARY.
219 (open_include_file): pass O_BINARY to open().
221 2000-06-01 Richard Henderson <rth@cygnus.com>
223 * i960.c (i960_br_predict_opcode): Remove.
224 (i960_print_operand) [+]: Emit branch prediction hints.
225 (i960_function_arg): Return early for VOIDmode.
226 (i960_round_align): Return early for incomplete types.
227 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
228 * i960.md (all conditional branches): Add "%+".
230 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
232 * alias.c (get_alias_set): Don't call language-specific routine more
233 than is needed and clean up code a bit.
234 * c-common.c (c_get_alias_set): All references whose type
235 is char get alias set 0, but character types need not.
236 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
237 (make_decl_rtl): Don't call it for FUNCTION_DECL.
239 2000-06-01 Bruce Korb <bkorb@gnu.org>
241 * fixinc/tests/base/...: new base result files
243 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
245 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
246 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
247 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
250 2000-06-01 Richard Henderson <rth@cygnus.com>
252 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
254 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
256 2000-05-31 Richard Henderson <rth@cygnus.com>
258 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
259 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
260 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
262 2000-05-31 Richard Henderson <rth@cygnus.com>
264 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
265 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
266 (ia64_print_operand) [+]: ... here. Use current_output_insn.
267 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
268 * config/ia64/ia64.md (all branch/call patterns): Use %+.
270 2000-05-31 Richard Henderson <rth@cygnus.com>
272 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
274 2000-05-31 Richard Henderson <rth@cygnus.com>
276 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
278 (find_if_block): Allow THEN with no outgoing edges.
279 * flow.c (merge_blocks_nomove): Remove a barrier not following
282 2000-05-31 Richard Henderson <rth@cygnus.com>
284 * flow.c (propagate_block): Move initialization of mem_set_list ...
285 (init_propagate_block_info): ... here. Also track blocks with
286 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
288 2000-05-31 Richard Henderson <rth@cygnus.com>
290 * jump.c (jump_optimize_1): Revert 05-18 change.
292 2000-05-31 Mark Mitchell <mark@codesourcery.com>
294 * invoke.texi: Remove documentation for -fguiding-decls.
296 2000-05-31 Richard Henderson <rth@cygnus.com>
298 * configure.in: Fix typo last change.
300 2000-05-31 Philipp Thomas <pthomas@suse.de>
302 * configure.in (enable-nls): Enable if build == host, i.e. when
303 not building a canadian cross compiler.
304 (enable-maintainer-mode): Added for use with i18n.
305 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
306 cross section of ALL_LINGUAS and LINGUAS.
307 * configure: Rebuild.
309 2000-05-31 Bruce Korb <bkorb@gnu.org>
311 * fixinc/check.tpl: rework to use test result tree
312 * fixinc/Makefile.in: change invocation of check script
313 * fixinc/check.diff: No longer needed
314 * fixinc/fixincl.x: regenerate
315 * fixinc/inclhack.def: add new tests
316 * fixinc/tests/base/arch/i960/archI960.h: New test result
317 * fixinc/tests/base/curses.h: modified test result
318 * fixinc/tests/base/stdio.h: ditto
319 * fixinc/tests/base/time.h: ditto
320 * fixinc/tests/base/sys/asm.h: ditto
321 * fixinc/tests/base/sys/stat.h: ditto
322 * fixinc/tests/base/sys/wait.h: ditto
324 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
326 * except.c (clear_function_eh_region): Do not free NULL.
328 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
330 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
331 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
332 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
333 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
334 (find_base_decl): New function, from c_find_base_decl in c-common.c.
335 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
336 (get_alias_set): Likewise.
337 Major rework to do more things and allow language-specific code
338 to just handle special-cases.
339 (record_alias_subset): Args are HOST_WIDE_INT.
340 (record_component_alias): Local vars are HOST_WIDE_INT.
341 Don't handle COMPLEX_EXPR.
342 (get_varargs_alias_set): Moved from builtins.c.
343 (get_frame_alias_set): New function.
344 * builtins.c (expand_builtin_return_address): Use frame alias set.
345 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
347 (get_memory_rtx): Rework to use set_mem_attributes.
348 (get_varargs_alias_set): Deleted from here.
349 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
350 (c_find_base_decl): Deleted from here.
351 (c_get_alias_set): Remove many cases and rework to just handle
353 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
354 * c-decl.c (rtl.h, expr.h): Now included.
355 (init_decl_processing): Call record_component_aliases on array types.
356 (grokdeclarator): Likewise.
357 Set TREE_ADDRESSABLE for all fields that are not bitfields.
358 * c-typeck.c (common_type): Call record_component_aliases for array.
359 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
360 Set all save areas to the frame alias set.
361 * calls.c (initialie_argument_information): Call set_mem_attributes.
362 (compute_argument_addresses, expand_call): Likewise.
363 * explow.c (set_mem_attributes): New function.
364 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
365 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
366 LEN and OFFSET now HOST_WIDE_INT.
367 (clear_by_pieces): Similar changes.
368 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
369 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
370 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
371 (clear_by_pieces_1): Likewise.
372 (emit_push_insn): Call set_mem_attributes.
373 (expand_expr, case INDIRECT_REF): Likewise.
374 (expand_expr, case VAR_DECL): Call change_address.
375 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
377 (get_varargs_alias_set, get_frame_alias_set): New decls.
378 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
379 (new_alias_set, set_mem_attributes): Likewse.
380 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
381 (assign_stack_temp_for_type): Likewise.
382 Can split slot even if alias set since can copy.
383 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
384 (assign_temp): Use host_integerp and tree_low_cst.
385 (put_var_into_stack): Properly handle SAVE_EXPR.
386 (put_addressof_into_stack): Likewise.
387 (assign_parms): Call set_mem_attributes.
389 (fix_lexical_address): Put reference to chain into frame alias set.
390 (expand_function_start): Call set_mem_attributes.
391 * integrate.c (expand_inline_function): Likewise.
392 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
393 * regmove.c (try_apply_stack_adjustment): Likewise.
394 * reload.c (push_reload, make_memloc): Likewise.
395 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
396 * rtl.def (MEM): Update comment.
397 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
398 (move_by_pieces): Change length to HOST_WIDE_INT.
399 (record_base_value, record_alias_subset): Delete from here.
400 * stmt.c (expand_decl): Call set_mem_attributes.
401 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
402 * toplev.c (compile_file): Call init_alias_once earlier.
403 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
404 from here: now in alias.c.
405 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
406 (struct tree_decl): Likewise.
407 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
408 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
409 (output_constant_def, force_const_mem): Likewise.
411 * flow.c (propagate_block): If block has no successors, stores to
412 frame are dead if not used.
414 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
416 * stmt (expand_end_case): Reorder conversion sequence for jump
417 table to avoid extra truncations.
419 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
421 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
422 in the block is more than just a simple conditional branch.
423 (noce_process_if_block): Similarly.
425 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
427 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
430 2000-05-30 Michael Meissner <meissner@redhat.com>
432 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
433 instructions. Treat LO_SUM operations as loading the full integer
436 2000-05-30 Richard Henderson <rth@cygnus.com>
438 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
440 2000-05-30 Richard Henderson <rth@cygnus.com>
442 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
444 2000-05-30 Bruce Korb <bkorb@gnu.org>
446 * fixinc/tests/*: Added expected result files for fixinc's make check
447 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
449 2000-05-30 Richard Henderson <rth@cygnus.com>
451 * config/alpha/alpha.md (*setne_internal): Use match_operator
452 instead of working down from insn.
454 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
456 * invoke.texi (-Wtraditional): Update WRT function macros.
458 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
460 * except.c (free_exception_table): Do not free NULL.
462 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
464 * cpplib.c (do_if): Don't save and restore only_seen_white here.
465 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
468 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
470 * flow.c (mark_used_reg): If a register is unconditionally live,
471 remove any conditional death information.
473 2000-05-29 Richard Henderson <rth@cygnus.com>
475 * final.c (current_output_insn): New.
476 (final_scan_insn): Set it.
477 * output.h: Declare it.
479 2000-05-29 Richard Henderson <rth@cygnus.com>
481 * stor-layout.c (finalize_record_size): Fix typo.
483 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
486 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
488 * cpplib.h (cpp_reader): Remove if_stack. Change
489 potential_control_macro to a cpp_hashnode *. Add skipping flag.
490 * cpphash.h (struct ihash): Change control_macro to a
491 cpp_hashnode * and shorten name to cmacro.
492 Add NEVER_REINCLUDE constant.
494 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
495 Examine the cmacro node directly, no need to call cpp_defined.
496 (_cpp_execute_include, read_include_file): Set cmacro to
497 NEVER_REINCLUDE, not U"".
498 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
499 (cpp_get_token): If pfile->skipping is true, discard text and
500 keep scanning until we hit a directive; don't expand macros.
502 * cpplib.c (struct if_stack): Remove if_succeeded, add
503 was_skipping. Change control_macro to a cpp_hashnode * and
504 shorten name to cmacro. Remove typedef IF_STACK.
505 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
506 (conditional_skip, skip_if_group,
507 consider_directive_while_skipping): Delete.
508 (push_conditional): New.
509 (_cpp_handle_directive): Don't process directives other than
510 conditionals if we are skipping.
512 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
513 Update to new scheme.
514 (validate_else): Skip rest of line here, unconditionally.
515 (_cpp_unwind_if_stack): The stack is per-buffer. Force
518 (all): Remove `scare quotes' from error messages.
520 2000-05-29 Richard Henderson <rth@cygnus.com>
522 * function.c (emit_return_into_block): New line_note arg; emit it.
523 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
524 for the close brace to accompany HAVE_return. Move all line notes
525 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
527 2000-05-29 Richard Henderson <rth@cygnus.com>
529 * longlong.h [__alpha] (count_leading_zeros): New.
530 (count_trailing_zeros): New.
531 (COUNT_LEADING_ZEROS_0): New.
533 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
534 (alpha_split_conditional_move): New.
535 * config/alpha/alpha-protos.h: Prototype them.
536 * config/alpha/alpha.h (PREDICATE_CODES): Update.
537 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
538 * config/alpha/alpha.md: Update ffs cix commentary.
540 (*nabssf2, *nabsdf2): New.
541 (*mov[qhsd]icc_internal): Use add_operand.
542 (if_then_else constant splitters): New.
543 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
544 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
546 2000-05-29 Richard Henderson <rth@cygnus.com>
548 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
549 a constant to NEG or NOT when conditions allow.
551 * combine.c (combine_simplify_rtx): Don't create an if_then_else
552 unless both args are general_operand. Don't canonicalize plus
553 to ior unless it helps.
555 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
556 instead track register_life_up_to_date. Toggle no_new_pseudos
559 2000-05-28 Geoff Keating <geoffk@cygnus.com>
561 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
562 so output_operand doesn't see them.
564 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
566 * lcm.c (make_preds_opaque): Fix comment.
567 (optimize_mode_switching): Use NORMAL_MODE instead of
568 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
569 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
570 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
571 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
572 (MODE_USES_IN_EXIT_BLOCK): Delete.
573 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
574 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
575 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
576 (MODE_NEEDED): Don't look for USE.
577 (EPILOGUE_USES): Define.
579 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
581 * mklibgcc.in (all): Variable initialised to `libgcc'.
583 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
585 * toplev.h (skip_leading_substring): New macro.
586 * toplev.c (decode_f_option): Use skip_leading_substring instead
588 (decode_W_option): Likewise.
590 2000-05-28 Nick Clifton <nickc@cygnus.com>
592 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
595 2000-05-28 Richard Henderson <rth@cygnus.com>
597 * regclass.c (record_operand_costs): Protect reg_changes_size
598 with CLASS_CANNOT_CHANGE_SIZE.
600 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
602 2000-05-28 Richard Henderson <rth@cygnus.com>
604 * function.c (diddle_return_value): A pcc-style struct return
607 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
609 * cppfiles.c: Read files in, using mmap if possible, then
610 prescan them separately.
611 (read_file, read_with_read): New functions.
612 * cpplex.c: Don't define UCHAR_MAX.
613 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
616 * cppinit.c (handle_option): Automatically define __cplusplus,
617 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
618 the respective -lang switch.
620 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
621 prototype): Move to...
622 * cpplib.h: ... here. Rename struct hashnode to struct
623 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
624 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
626 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
628 * config/rs6000/rs6000.md (movsi): Constify 'name'.
630 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
631 (class_can_change_size): New variable.
632 (reg_changes_size): New variable.
633 (init_reg_sets_1): Initialise class_can_change_size.
634 (record_operand_costs): Remove subreg_changes_size.
635 Don't pass it around. Instead update reg_changes_size.
636 (regclass): Initialise and free reg_changes_size. If a register
637 changes size, don't preference it to a class that contains
638 registers that can't change size.
639 (record_reg_classes): Don't look at subreg_changes_size.
641 2000-05-27 Richard Henderson <rth@cygnus.com>
643 * print-rtl.c (reg_names): Remove const.
644 * regclass.c (reg_names): Likewise.
645 * regs.h (reg_names): Likewise.
646 * hard-reg-set.h (reg_names): Likewise.
648 2000-05-27 Richard Henderson <rth@cygnus.com>
650 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
652 2000-05-27 Richard Henderson <rth@cygnus.com>
654 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
655 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
656 (alpha_expand_prologue): Emit prologue_mcount if needed.
657 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
658 * config/alpha/alpha.md (prologue_mcount): New.
659 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
660 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
661 * config/alpha/netbsd.h: Likewise.
663 2000-05-27 Richard Henderson <rth@cygnus.com>
665 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
666 change to config/elfos.h.
668 2000-05-27 Richard Henderson <rth@cygnus.com>
670 * Makefile.in (resource.o): Depend on except.h.
671 * except.h (output_exception_table_data): Prototype.
672 * genconfig.c (gen_peephole2): Prototype.
673 * genemit.c (main): Include ggc.h.
674 * genoutput.c: Revert parts of last change: include errors.h
675 (main): Set progname.
676 * recog.c: Include hard-reg-set.h before recog.h.
677 * resource.c: Include except.h.
679 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
681 (alpha_write_linkage): Protect with BUFSIZ.
682 (alpha_need_linkage): Update prototype.
683 * config/alpha/alpha.c (function_arg): Move VMS code here.
684 (alpha_links_base): Remove.
686 (mark_alpha_links_node, mark_alpha_links): New.
687 (alpha_write_one_linkage): New.
688 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
689 (alpha_write_linkage): Use splay_tree_foreach.
690 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
691 to get the linkage symbol.
692 (call_value_vms): Likewise.
693 * config/alpha/elf.h (output_file_directive): Remove decl.
694 (ctors_section, dtors_section): Prototype.
695 (sbss_section, sdata_section): Prototype.
696 * config/alpha/vms.h (FUNCTION_ARG): Remove.
697 (readonly_section, link_section, literals_section): Prototype.
698 (ctors_section, dtors_section): Prototype.
699 (vms_valid_decl_attribute_p): Remove decl.
700 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
702 2000-05-27 Geoff Keating <geoffk@cygnus.com>
704 * reload.c (get_secondary_mem): Don't widen floating-point modes.
706 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
707 substituting the REG in a (subreg:X (reg:Y ...)).
709 2000-05-28 Neil Booth <NeilB@earthling.net>
711 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
712 first token of a line BOL. Update EOF code for this.
713 Remove illegal directive check - it appears in the (not
714 yet committed) caller.
715 * cpplib.h (BOL): New flag.
717 2000-05-28 Neil Booth <NeilB@earthling.net>
719 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
720 (_cpp_free_toklist): No comment space to free.
721 (expand_comment_space): Remove.
722 (save_comment_space): Place the comment in the current token and
723 not in a separate comment space.
724 (_cpp_lex_line): Save comments during plain code and #define
726 * cpplib.h (struct _cpp_toklist): Remove comment space.
728 2000-05-28 Neil Booth <NeilB@earthling.net>
730 * cppexp.c (parse_assertion): Supply extra argument to
732 * cpplib.c (do_assert, do_unassert): Similarly.
733 * cpphash.h (_cpp_init_toklist) Update.
734 (_cpp_expand_token_space): New.
735 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
736 * cpplex.c (_cpp_init_toklist): New argument.
737 (parse_string2): New argument multiline_ok.
738 (spell_token): Take a const cpp_token *.
739 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
740 (SPELL_ macros): Replace with enum.
741 (expand_token_space): Replace with _cpp_expand_token_space.
743 (IS_DIRECTIVE): Update.
744 (_cpp_lex_line): Update token structure before parsing number.
745 Don't assume start at beginning of token list.
746 (save_comment): Use INIT_TOKEN_NAME.
748 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
750 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
751 -Wmissing-prototypes.
752 * configure: Regenerate.
753 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
755 * builtins.c, calls.c: Change all instances of gen_call_* or
756 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
757 * calls.c (struct_value_size_rtx): Separate definition from
758 initialization to avoid unused variable warning.
760 * genflags.c (gen_macro): New function.
761 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
762 (gen_nonproto): Delete.
763 (gen_insn): Put all insns on the same obstack.
764 (main): Generate prototypes for everything unconditionally.
766 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
767 out check for wchar_t.
768 * acconfig.h: Add template for ssize_t. Remove @TOP@.
769 * system.h: Add infrastructure for defining missing
770 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
771 definitions of UCHAR_MAX and SSIZE_MAX.
772 * configure: Regenerate.
773 * config.in: Regenerate.
775 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
776 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
778 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
779 libgcc2.a, or libgcc1.null.
781 2000-05-27 Richard Henderson <rth@cygnus.com>
783 * Makefile.in (recog.o): Don't depend on resource.h.
784 * recog.c: Don't include resource.h.
785 (recog_last_allowed_insn): Remove.
786 (recog_next_insn): Remove.
787 (struct peep2_insn_data): New.
788 (peep2_insn_data, peep2_current): New.
789 (peep2_next_insn): New.
790 (peep2_regno_dead_p, peep2_reg_dead_p): New.
791 (peep2_find_free_register): New.
792 (peephole2_optimize): Track life information by insn as we go.
793 * recog.h: Update declarations.
794 * resource.c (find_free_register, reg_dead_p): Remove.
795 * resource.h: Remove their declarations.
796 * toplev.c: Include hard-reg-set.h before recog.h.
798 * genconfig.c (max_insns_per_peep2): New.
799 (gen_peephole2): New.
801 * genemit.c (output_peephole2_scratches): Generate calls to
802 peep2_find_free_register; adjust surrounding code.
803 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
804 * genrecog.c (change_state): Don't track last_insn.
805 (write_action): Write into *_pmatch_len before accepting.
806 (write_tree): Adjust peephole2_insns and subroutines to match.
808 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
810 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
811 (hard_int_register_operand): New.
812 * config/alpha/alpha-protos.h: Declare it.
813 * config/alpha/alpha.h (PREDICATE_CODES): Update.
814 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
815 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
817 2000-05-27 Richard Henderson <rth@cygnus.com>
819 * function.c (thread_prologue_epilogue_insns): Don't move the
820 line note at the head of the chain. Only force a lineno note
821 before the end of block 0.
823 2000-05-27 Richard Henderson <rth@cygnus.com>
825 * gensupport.c (collect_insn_data): Record the maximum number
826 of alternatives, not the last seen.
828 * genoutput.c: Don't include errors.h.
829 (struct data): Add lineno member.
831 (scan_operands): Use message_with_line instead of error.
832 (validate_insn_alternatives): Likewise.
833 (gen_insn): Accept and store the pattern's line number.
834 (gen_peephole, gen_expand, gen_split): Likewise.
835 (main): Don't set progname. Pass line_no to gen_foo.
837 2000-05-27 Richard Henderson <rth@cygnus.com>
839 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
840 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
841 * config/d30v/d30v.md (attr predicable): New.
842 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
843 (andsi3*): Unify into one pattern.
844 (iorsi3*, xorsi3*): Likewise.
845 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
847 (old cond_exec patterns): Remove.
848 (define_cond_exec): New.
850 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
852 * tree.h (TREE_CODE_LENGTH): New macro.
853 * c-common.c (c_find_base_decl): Use it.
854 * expr.c (safe_from_p): Likewise.
855 * print-tree.c (print_node): Likewise.
856 * tree.c (make_node, copy_node, get_identifier): Likewie.
857 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
858 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
859 * fold-const.c (make_range): Likewise.
860 (fold): Likewise; also use first_rtl_op.
861 * c-iterate.c (collect_iterators): Use first_rtl_op.
862 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
863 Use IS_EXPR_CODE_CLASS.
864 (preexpand_calls): Likewise.
865 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
866 and TREE_CODE_LENGTH.
867 * stmt.c (warn_if_unused_value): If no operands, no unused value.
869 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
871 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
873 (movdi_internal64): Likewise.
875 * config/rs6000/rs6000.md: Correct order of operands for DImode
878 * config/rs6000/rs6000.c (boolean_or_operator): New function.
879 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
880 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
881 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
882 boolean_operator for the boolean patterns without NOTs.
884 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
885 from reg_or_u_cint_operand. Change comment and behaviour.
886 (logical_operand): Clean up, add assertion.
887 (non_logical_cint_operand): Also check for
888 reg_or_logical_cint_operand.
889 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
890 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
896 2000-05-26 Mark Mitchell <mark@codesourcery.com>
898 * tree.h (struct record_layout_info): Rename to (struct
899 record_layout_info_s).
900 * stor-layout.c (start_record_layout): Replace
901 `record_layout_info' with `record_layout_info_s'.
903 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
905 * flow.c (find_label_refs): New function.
906 (find_basic_blocks_1): Call it for each alternative of a call
909 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
911 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
914 2000-05-25 Richard Henderson <rth@cygnus.com>
916 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
917 so strict about DImode.
918 (alpha_swapped_comparison_operator): Likewise.
919 * config/alpha/alpha.md (*setne_internal): Name it. Allow
920 any integer output mode.
921 (*setcc_internal): Likewise.
922 (*setcc_swapped_internal): Likewise.
923 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
924 (*mov[qhs]icc_internal): New.
925 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
927 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
929 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
931 2000-05-25 Richard Henderson <rth@cygnus.com>
933 * bb-reorder.c (reorder_block_def): Reorder elements for size.
934 Remove add_jump; add next; replace flags with visited.
936 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
937 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
938 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
939 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
941 (reorder_index, reorder_last_visited): Remove.
942 (skip_insns_after_block): Rewrite to use a switch.
943 (get_common_dest): Remove.
944 (chain_reorder_blocks): Remove.
945 (record_effective_endpoints): Split out from reorder_basic_blocks.
946 (make_reorder_chain): Likewise. Loop until all blocks are placed.
947 (make_reorder_chain_1): Renamed from old make_reorder_chain.
948 Only construct the reorder chain, do not move insns. Try harder
950 (label_for_bb, emit_jump_to_block_after): New.
951 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
952 and adjust the jump insns appropriately. Fixup basic_block_info.
953 (verify_insn_chain): Always define.
954 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
956 (make_new_scope): Don't write zeros to calloc'd space.
957 (build_scope_forest): Rely on xrealloc to DTRT.
958 (reorder_basic_blocks): Don't build loop nest. Don't fail if
959 profile_arc_flag. Streamline EH test.
961 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
962 * basic-block.h: Declare them.
964 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
966 * emit-rtl.c (reset_used_decls): New function.
967 (unshare_all_rtl_again): Call it.
969 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
971 * cpplex.c (maybe_macroexpand): Warn about function-like
972 macros used in non-function context, if -Wtraditional.
974 2000-05-25 Mark Mitchell <mark@codesourcery.com>
976 * recog.c (peephole2_optimize): Use INSN_P.
978 2000-05-25 Richard Henderson <rth@cygnus.com>
980 * ifcvt.c (seq_contains_jump): New.
981 (noce_try_store_flag_constants): Use it to fail conversion.
982 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
984 2000-05-25 Mark Mitchell <mark@codesourcery.com>
986 * except.h (can_throw): Declare it.
987 * except.c (can_throw): Give it external linkage.
988 * resource.c (find_dead_or_set_registers): Use can_throw.
990 2000-05-25 Richard Henderson <rth@cygnus.com>
992 * flow.c (mark_set_1): Don't record conditionally dead memory.
994 2000-05-25 Jan Hubicka <jh@suse.cz>
996 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
997 and pc_set at the place of simplejump_p and condjump_p.
998 * cse.c (record_jump_equiv): Likewise.
999 * emit-rtl.c (emit): Likewise.
1000 * explow.c (find_next_ref): Likewise.
1001 * flow.c (tidy_fallthru_edge): Likewise.
1002 (init_propagate_block_info): Likewise.
1003 * gcse.c (delete_null_pointer_checks): Likewise.
1004 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1005 dead_or_predicable): Likewise.
1006 * integrate.c (copy_insn_list): Likewise.
1007 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1008 for_each_insn_in_loop, check_dbra_loop, get_condition,
1009 insert_bct, load_mems): Likewise.
1010 * resource.c (find_dead_or_set_registers): Likewise.
1011 * sibcalls.c (simplejump_p): Likewise.
1012 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1014 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1016 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1017 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1019 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1020 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1021 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1022 * rs6000.md: Name various internal patterns.
1024 2000-05-25 Jan Hubicka <jh@suse.cz>
1026 * jump.c (invert_exp_1): Remove first argument, use pc_set
1027 to get the expression.
1028 (redirect_exp): Make static; redirect only the pc_set expression,
1029 remove first argument.
1030 (invert_exp): Remove first argument, make static.
1031 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1032 any_onlyjump at most places where we originaly did condjump_p
1034 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1035 (delete_barrier_succesors): Use pc_set.
1036 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1037 calls of invert_exp and redirect_exp.
1038 * rtl.h (redirect_exp, invert_exp): Remove.
1039 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1041 2000-05-25 Richard Henderson <rth@cygnus.com>
1043 * stmt.c (expand_end_bindings): Fix thinko last change.
1045 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1046 Andrew Haley <aph@cygnus.com>
1048 * except.c (func_eh_entry): Add emitted field.
1049 (new_eh_region_entry): Set emitted field to 0;
1050 (output_exception_table_entry): Only emit previously un-emitted data,
1051 and send it to the eh_data section.
1052 (output_exception_table): Break out common parts. Output
1053 exception table for entire compilation unit to eh_data section.
1054 (output_exception_table_data): Common parts of output_exception_table.
1055 Send output to eh_data section.
1056 (output_function_exception_table): Output exception table data for
1057 a single function to eh_data section.
1058 (free_exception_table): New external to free the table.
1059 * except.h (free_exception_table): Add prototype.
1060 (output_function_exception_table): Add prototype.
1061 * final.c (final_end_function): Output function exception table
1062 for IA64_UNWIND_INFO.
1063 (final_scan_insn): Emit any unwind directives for an insn.
1065 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1067 * frame.c: Remove all DWARF 2 specific code.
1068 * config/ia64/frame-ia64.c: New file.
1069 (gthread_stuff): Make all gthread available with
1071 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1072 (__register_frame_info, __register_frame): Move to common area of file.
1073 (__register_frame_info_table, __register_frame_table): Move to common i
1075 (__deregister_frame_info, __deregister_frame): Move to common area.
1076 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1077 (read_uleb128): New version for ia64.
1078 (get_unwind_record): Read the next IA-64 unwind record.
1079 (read_R_record): Read a region header record.
1080 (process_a_b_reg_code): X record helper.
1081 (read_X_record): Read an X format record.
1082 (read_B_record): Read a B format record.
1083 (P3_record_types): List of record types matching the P3 format.
1084 (P7_record_types): List of record types matching the P7 format.
1085 (P8_record_types): List of record types matching the P8 format.
1086 (read_P_record): Read a P format record.
1087 (init_ia64_reg_loc): Set default fields for a register.
1088 (init_ia64_unwind_frame): Set defaults for all register records.
1089 (execute_one_ia64_descriptor): Execute one descriptor record.
1090 (rse_address_add): Calculate the position of a local reg in memory.
1091 (normalize_reg_loc): Turn a location descriptor into a memory address.
1092 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1093 within a specified PC offset range.
1094 (get_real_reg_value): Given a register location, retrieve its value.
1095 (set_real_reg_value): Change the value of a register location.
1096 (copy_reg_value): Copy reg values, if needed.
1097 (copy_saved_reg_state): Copy all registers that need to be copied.
1098 (process_state_between): Normalize all frame register records that
1099 fall within the specified PC range.
1100 (frame_translate): Take a processed frame description, and turn
1101 everything into addresses.
1102 (build_ia64_frame_state ): Find and create frame state record for a PC.
1103 (get_personality): Get the personality routine for a given frame.
1104 (get_except_table): Get the exception table for a given frame.
1105 (record_name): Unwind record names for debugging.
1106 (print_record): Print and unwind record.
1107 (print_all_records): Print an entire unwind image.
1108 (__ia64_backtrace): Print a backtrace.
1109 (ia64_backtrace_helper): New function.
1110 (__register_frame_info_aux): New function.
1111 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1113 * frame.h (enum unw_record_type): New unwind record types.
1114 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1115 (struct unw_r_record, unwind_record): New unwind record structs.
1116 (struct unwind_info_ptr): Unwind information layout.
1117 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1119 (struct ia64_reg_loc): Register location description.
1120 (struct ia64_frame_state): Location of all registers in a frame.
1121 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1122 * libgcc2.c (__ia64_personality_v1): Personality routine.
1123 (__calc_caller_bsp): Calculate the bsp register for the caller's
1125 (ia64_throw_helper): Figure out who to return to and set up the
1127 (__throw): Throw routine.
1129 * output.h (assemble_eh_align, assemble_eh_label): New functions
1130 to generate EH info where we want it.
1131 (assemble_eh_integer): New function.
1132 * toplev.c (compile_file): Output module level exception table for
1134 (main): Set exceptions_via_longjump and flag_new_exceptions based
1135 on IA64_UNWIND_INFO too.
1137 * varasm.c (assemble_eh_label): Generate a label via
1138 ASM_OUTPUT_EH_LABEL if it has been specified.
1139 (assemble_eh_align): Generate an alignment directive via
1140 ASM_OUTPUT_EH_ALIGN if it has been specified.
1141 (assemble_eh_label): Generate an integer value via
1142 ASM_OUTPUT_EH_type if they have been specified.
1143 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1144 (ia64_init_builtins): Add __builtin_ia64_bsp
1145 and __builtin_ia64_flushrs.
1146 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1147 IA64_BUILTIN_FLUSHRS.
1148 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1149 IA64_BUILTIN_FLUSHRS.
1151 * config/ia64/ia64.md (flushrs): New insn to flush the register
1152 stack. Add to unspec list.
1154 * config/ia64/crtbegin.asm (frame_object): Change size.
1155 (__do_frame_setup_aux): New function.
1156 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1157 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1158 * Makefile.in (LIB2ADDEH): Add.
1159 (LIB2ADD): Use LIB2ADDEH.
1161 2000-05-24 Richard Henderson <rth@cygnus.com>
1163 * recog.c (offsettable_address_p): If mode size is zero, assume
1166 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1168 * configure.in: Check for -Wno-long-long option support and improve
1169 handling of warning CFLAGS for stages 1 and 2.
1170 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1171 * configure: Regenerate.
1173 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1175 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1176 * contrib.texi: New file.
1178 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1180 * loop.c (basic_induction_var): Avoid double recording of an increment.
1182 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1184 * Back out this patch:
1185 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1186 * loop.h (struct induction): Add multi_insn_incr.
1187 * loop.c (basic_induction_var): New multi_insn_incr argument.
1188 Set it if we search back through previous insns for the biv.
1189 (record_biv): New multi_insn_incr argument; fill in struct induction.
1190 (strength_reduce): Discard an iv with multiple bivs, any of
1191 which require multiple insns to increment.
1193 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1195 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1197 * rtl.h (loc_mentioned_in_p): Declare.
1198 * reload.c (loc_mentioned_in_p): Moved from here...
1199 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1200 Fix loop increment for 'E' handling.
1201 * loop.c (strength_reduce): When doing biv->giv conversion,
1202 take multi-insn biv increments into account.
1204 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1206 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1209 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1211 * calls.c (expand_call): Handle cleanups in tail-recursion
1212 arguments analagously to cleanups in sibling calls.
1214 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1216 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1217 All callers changed.
1219 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1221 * expr.c (expand_assignment, store_expr, expand_expr,
1222 expand_expr_unaligned): Set in_check_memory_usage while emitting
1223 chkr_check_addr libcall.
1225 2000-05-24 Nick Clifton <nickc@cygnus.com>
1227 * fold-const.c (extract_muldiv): When constructing a
1228 multiplier/divisor, do not expect const_binop to correctly
1229 determine if overflow has occured, so check explicitly.
1231 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1233 * c-decl.c (build_enumerator): Don't modify the value's type,
1236 2000-05-24 Andreas Jaeger <aj@suse.de>
1238 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1240 2000-05-24 Eric Christopher <echristo@cygnus.com>
1242 * configure.in: Redefine inhibit_libc conditions.
1243 * libgcc2.c: Remove inhibit_libc conditional define.
1244 * configure: Regenerate.
1246 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1248 * configure.in: For --enable-languages=LIST, check for empty LIST.
1249 * configure: Regenerate.
1251 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1253 * pdp11.h (STACK_BOUNDARY): Define.
1255 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1257 * ifcvt.c (if_convert): Update life info globally.
1259 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1261 * emit-rtl.c (unshare_all_decls): New function.
1262 (unshare_all_rtl): Call it.
1264 2000-05-23 Nick Clifton <nickc@cygnus.com>
1266 * configure.in: Treat 'strongarm' as if it were 'arm' when
1267 determining cpu type.
1269 * configure: Regenerate.
1271 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1272 where constant strings are involved.
1274 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1277 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1278 cases where constant strings are involved.
1280 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1282 * config/sh/sh.c (gen_far_branch, split_branches): Update
1283 to reflect new prototypes for redirect_jump and invert_jump.
1284 (sh_insn_length_adjustment): Get rid of const warnings.
1286 2000-05-23 Kazu Hirata <kazu@hxi.com>
1288 * invoke.texi (Options for Debugging Your Program or GCC): Update
1289 the names of dump files.
1291 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1293 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1294 * configure: Regenerated.
1296 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1298 * simplify-rtx.c (SIGN_EXTEND): New macro.
1299 (simplify_unary_operation, simplify_binary_operation,
1300 simplify_relational_operation): Use SIGN_EXTEND. Make low
1301 halves of (low, high) pairs unsigned if they weren't already.
1302 (simplify_ternary_operation): Cast INTVAL to unsigned before
1303 comparing to a MODE_BITSIZE.
1305 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1307 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1308 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1310 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1311 gcc_AC_NEED_DECLARATIONS.
1313 * dwarfout.c: Don't prototype time().
1315 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1317 * system.h: Likewise.
1319 * toplev.c: Likewise.
1321 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1323 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1325 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1327 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1329 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1331 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1333 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1336 (alpha_start_function): Never write ..ng label if VMS or NT.
1337 (alpha_align_insns): Remove GP_IN_USE arg.
1338 Alignment now unsigned.
1339 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1340 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1341 and two define_insn's.
1343 2000-05-22 Richard Henderson <rth@cygnus.com>
1345 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1347 2000-05-22 Richard Henderson <rth@cygnus.com>
1349 * stor-layout.c (place_field): Change rli->size to rli->offset.
1351 2000-05-22 Richard Henderson <rth@cygnus.com>
1353 * function.c (thread_prologue_and_epilogue_insns): Make sure
1354 existing line number notes appear after the prologue.
1356 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1358 * config/alpha/alpha.c (alpha_fnname): New static variable.
1359 (print_operand, case '~'): New case.
1360 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1361 (alpha_start_function): Set alpha_fnname.
1362 Write "ng" label if no ldgp; don't write ldgp insn.
1363 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1364 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1366 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1368 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1371 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1373 * varasm.c (eh_frame_section): Revert change to argument list.
1375 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1377 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1378 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1380 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1381 dangling "else" that causes "break" to be conditional.
1382 Also remove unneeded code at start.
1384 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1386 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1387 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1388 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1390 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1392 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1395 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1397 * alias.c (record_component_aliases): New function.
1398 * tree.h: Clean up some declarations and comments.
1399 (record_component_aliases): New declaration.
1400 * tree.c (get_alias_set): If type and has alias set, use it.
1402 2000-05-22 Richard Henderson <rth@cygnus.com>
1404 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1405 IF_THEN_ELSE to a setcc form.
1406 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1408 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1410 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1411 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1413 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1415 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1418 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1420 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1421 * config/mn10300/mn10300.c (print_operand): Likewise.
1423 * final.c (split_double): Right shift of negative values is not
1426 * ifcvt.c (if_convert): Scan and kill dead code.
1428 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1430 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1432 * diagnostic.c: Eliminate implicit int.
1433 * except.c, gcc.c: Add static prototypes.
1434 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1435 * gensupport.c (process_rtx): Use XVEC to initialize vector
1438 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1439 debug_reg_names instead of static reg_names. If not, define
1441 * regclass.c: Don't define global reg_names unless
1442 DEBUG_REGISTER_NAMES is defined.
1444 * reload1.c (order_regs_for_reload): Remove unused variable.
1445 * varasm.c: Include output.h after defaults.h. Define
1446 eh_frame_section as function of no args, not of unspecified args.
1448 * gcc.c: Constify argbuf; arguments to store_arg,
1449 process_command, main; elements of struct command and struct
1450 switchstr; local variables in execute, process_command, main.
1452 2000-05-20 Bruce Korb <bkorb@gnu.org>
1454 * fixinc/inclhack.def: many applications of c_fix=format + tests
1455 * fixinc/check.diff: regenerated
1456 * fixinc/fixincl.x: regenerated
1458 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1460 * alias.c: Clarify some comments.
1461 (record_base_value): REGNO is unsigned.
1462 * rtl.h (record_base_value): Likewise.
1464 * alias.c (aliases_everything_p): Don't special-case QImode here.
1465 * c-common.c (c_get_alias_set): Do it here.
1466 Handle BIT_FIELD_REF by getting alias info for arg.
1469 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1471 * mklibgcc.in: Restore rule to create ${dir}.
1473 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1475 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1476 GCC_FOR_TARGET used by MULTILIBS.
1477 * mklibgcc.in: Make sure each .o file depends on the
1478 directory it will be in.
1479 Make the multilib directory depends libgcc.
1481 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1483 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1485 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1487 * fold-const.c (make_range): Handle degenerated intervals.
1488 Fixes c-torture/execute/991221-1.c
1490 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1492 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1493 * reload.c (find_equiv_reg): Likewise.
1494 * alias.c (init_alias_analysis): Likewise.
1495 Only call prologue_epilogue_contains on insns.
1496 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1497 * bb-reorder.c (hard-reg-set.h): Include earlier.
1498 * haifa-sched.c (hard-reg-set.h): Likewise.
1499 * ifcvt.c (hard-reg-set.h): Likewise.
1500 * local-alloc.c (hard-reg-set.h): Likewise.
1501 * loop.c (hard-reg-set.h): Likewise.
1502 * predict.c (hard-reg-set.h): Likewise.
1503 * regrename.c (hard-reg-set.h): Likewise.
1504 * flow.c (hard-reg-set.h): Likewise.
1505 (reg_set_to_hard_reg_set): New function.
1506 * bitmap.c (regs.h, basic-block.h): No longer include.
1507 (bitmap.h): Now include.
1508 * conflict.c (hard-reg-set.h): Include.
1509 * profile.c (hard-reg-set.h): Likewise.
1510 * print-rtl.c (hard-reg-set.h): Likewise.
1511 * sbitmap.c (hard-reg-set.h): Likewise.
1512 * toplev.c (hard-reg-set.h): Likewise.
1513 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1514 * hard-reg-set.h (reg_names): Now constant.
1515 * regs.h (reg_names): Likewise.
1516 * regclass.c (reg_names): Likewise.
1517 * loop.h (basic-block.h): No longer include.
1518 (bitmap.h): Now include.
1519 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1520 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1521 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1523 2000-05-19 Jan Hubicka <jh@suse.cz>
1524 Richard Henderson <rth@cygnus.com>
1526 * basic-block.h (struct edge_def): New field "count".
1527 (struct basic_block_def): Likewise.
1528 * flow.c (entry_exit_blocks): Add count fileds.
1529 (split_edge): Keep count information up-to-date.
1530 (dump_edge_info, dump_flow_info): Dump count fields.
1532 * final.c (count_instrumented_edges): Rename to edge from arc.
1533 (end_final): Update users.
1534 * profile.c: Include expr.h, basic-block.h.
1535 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1536 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1537 (ignore_next_note, return_label_execution_count): Kill.
1538 (bbg_file_name, da_file_name): Kill.
1539 (edge_info, bb_info): New structures.
1540 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1541 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1542 (total_num_edges_instrumented): Likewise.
1543 (init_arc, expand_spanning_tree): Kill.
1544 (fill_spanning_tree, tablejump_entry_p): Kill.
1545 (instrument_edges): Rewrite from instrument_arcs to use
1546 commit_edge_insertions infrastructure.
1547 (compute_branch_probabilities): Remove arguments; rewrite for
1548 CFG infrastructure; use rtl_dump_file directly.
1549 (branch_prob, find_spanning_tree): Likewise.
1550 (union_groups, find_group): New.
1551 (init_branch_prob): Make bbg_file_name and da_file_name local.
1552 (end_branch_prob): Use rtl_dump_file directly.
1553 (init_edge_profiler): Rename to edge from arc.
1554 (output_arc_profiler): Kill.
1555 (gen_edge_profiler): New.
1556 (output_func_start_profiler): Turn off profiling. Make the
1557 constructor static when we can.
1558 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1560 * toplev.c (DFI_flow): Remove.
1561 (DFI_cfg, DFI_life): New.
1562 (dump_file): Update accordingly.
1563 (compile_file): Call end_branch_prob if profile_arc_flag too.
1564 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1565 profiling after the CFG is built. Move flow1 life analysis to
1566 DFI_life. Always estimate remaining probabilities.
1568 2000-05-19 Richard Henderson <rth@cygnus.com>
1570 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1572 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1574 2000-05-19 Richard Henderson <rth@cygnus.com>
1576 * jump.c (redirect_jump): Add delete_unused argument. Don't
1577 remove labels and code following when LABEL_NUSES goes to zero.
1578 (invert_jump): Likewise.
1579 (jump_optimize_1): Fix redirect/invert arguments.
1580 (do_cross_jump, thread_jumps): Likewise.
1581 * flow.c (split_edge): Likewise.
1582 * reorg.c (optimize_skip): Likewise.
1583 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1584 * profile.c (instrument_arcs): Likewise.
1585 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1586 * rtl.h: Update prototypes.
1588 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1590 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1592 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1595 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1597 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1598 past l1 when deleting whitespace and markers.
1600 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1601 * cpplib.c (do_unassert): Put the list to compare against on
1604 2000-05-19 Bruce Korb <bkorb@gnu.org>
1606 * fixinc/README: cleaned up old documentation
1607 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1608 * fixinc/check.tpl: compute the list of needed directories
1609 emit "#if defined(name)" because of conflict
1610 omit machine name differences from output differences
1611 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1612 (machine_name): change test text to use `sed' markers
1613 * fixinc/fixincl.x: regen
1615 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1617 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1620 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1622 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1623 it to match the current practice.
1625 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1627 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1629 2000-05-18 Richard Henderson <rth@cygnus.com>
1631 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1632 * rtl.h (insn_dependant_p): Declare it.
1633 * loop.c (strength_reduce): Use it.
1635 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1637 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1638 16-bit and 64-bit clean-up.
1640 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1642 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1643 * configure: Rebuilt.
1645 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1647 * genopinit.c: Use $ for escape sequences in optab patterns.
1648 Remove backslashes from optab patterns. Change $A, $B, $C to
1649 expand to (int) whatever instead of just whatever; remove
1650 explicit (int) from all optab patterns.
1652 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1653 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1654 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1655 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1658 2000-05-18 Richard Henderson <rth@cygnus.com>
1660 * jump.c (jump_optimize_1): Base minimum insn count during
1661 find_cross_jump on BRANCH_COST.
1663 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1665 * print-rtl.c (print_rtx): Only print note line number as string
1666 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1667 * final.c (final_scan_insn): Do nothing for note line number 0.
1669 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1671 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1672 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1673 NOTE_INSN_DELETED_LABEL.
1675 2000-05-18 Nick Clifton <nickc@cygnus.com>
1677 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1678 uninitialised data in .rodata not .bss, and do not interpret an
1679 error in the initialisation value as meaning that the variable
1680 should be placed in the .bss section.
1682 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1684 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1685 not `$ac_cv_prog_cc_cc_c_o'.
1686 * configure: Regenerated.
1688 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1689 Richard Henderson <rth@cygnus.com>
1691 * c-common.h (enum c_tree_index): Add g77 type entries.
1692 (g77_integer_type_node, g77_uinteger_type_node): New.
1693 (g77_longint_type_node, g77_ulongint_type_node): New.
1694 * c-decl.c (init_decl_processing): Initialize them.
1696 2000-05-18 Richard Henderson <rth@cygnus.com>
1698 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1700 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1701 (small_power_of_two): Likewise; use exact_log2.
1702 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1703 (output_adds_subs): Remove.
1704 (two_insn_adds_subs_operand): New.
1705 (split_adds_subs): New.
1706 * config/h8300/h8300-protos.h: Update.
1707 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1708 (CONST_OK_FOR_L): Match strict adds operands.
1709 (CONST_OK_FOR_N): Match struct subs operands.
1710 * config/h8300/h8300.md (adds_subs insns): Remove.
1711 (addhi patterns): Output adds/subs directly.
1712 (addsi_h8300h): Likewise.
1713 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1715 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1717 * cppexp.c (parse_assertion): New.
1718 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1719 (_cpp_parse_expr): Remove case '#'. Don't set
1720 parsing_if_directive.
1721 * cpphash.c (collect_objlike_expansion,
1722 collect_funlike_expansion, collect_params,
1723 _cpp_create_definition): The list no longer has a trailing
1725 * cpphash.h (enum node_type): Add T_ASSERTION.
1726 (struct hashnode): Remove aschain, add pred.
1727 (struct predicate): New.
1730 * cpplex.c (expand_token_space): Handle both offset and
1732 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1733 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1734 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1735 _cpp_equiv_toklists): New.
1736 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1737 stop at any single-character token, not just newline.
1738 (_cpp_lex_token): Remove special cases for #define and #if.
1739 (cpp_get_token): Expect # as a separate token type. Remove
1741 (_cpp_get_directive_token): Remove DIRECTIVE case.
1742 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1744 * cpplib.c (_cpp_check_directive): Set dirno and
1745 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1746 (_cpp_handle_directive): Run # <number> through the same logic
1747 as normal directives.
1748 (do_define): Don't set parsing_define_directive. Use
1749 _cpp_scan_until. The list does not have a VSPACE at the end.
1750 (do_if): Save, clear, and restore only_seen_white around
1752 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1753 (do_assert, do_unassert): Rewrite.
1755 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1756 (LIST_OFFSET): New flag.
1757 (struct cpp_toklist): Replace dir_handler and dir_flags with
1759 (struct cpp_reader): Remove parsing_if_directive and
1760 parsing_define_directive.
1762 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1764 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1765 following the cabs decl which terminate on the following line.
1766 Add the corresponding test_text case.
1768 2000-05-18 Neil Booth <NeilB@earthling.net>
1770 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1771 default tab stop size.
1772 (no_num, OPT_ftabstop): New.
1773 (handle_option): Handle "ftabstop=" command-line option.
1774 (print_help): Document it.
1775 * cpplex.c (COLUMN): Remove.
1776 (handle_newline): Reset col_adjust.
1777 (skip_whitespace): Update col_adjust as tabs encountered.
1778 (_cpp_lex_line): Update to use col_adjust. Call
1779 skip_whitespace for all whitespace.
1780 * cpplib.h (struct cpp_options): New member tabstop.
1781 (struct cpp_reader): New member col_adjust.
1782 (CPP_BUF_COL): Update.
1783 (CPP_BUF_COLUMN): New.
1784 * cpp.texi: Document "-ftabstop=" command line option.
1786 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1788 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1790 * configure: Rebuilt.
1792 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1794 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1796 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1797 HOST_BITS_PER_WIDE_INT is >= 64.
1799 2000-05-17 Richard Henderson <rth@cygnus.com>
1801 * jump.c (jump_optimize_1): Remove inactive but real insns
1802 in jump-to-next-insn optimization.
1804 2000-05-17 Richard Henderson <rth@cygnus.com>
1806 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1807 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1808 Don't call recompute_reg_usage if no_new_pseudos is true.
1809 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1810 Return true if we did work; update global life information.
1811 * basic-block.h (optimize_mode_switching): Update decl.
1813 2000-05-17 Neil Booth <neilb@earthling.net>
1815 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1817 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1819 * cpplib.c: New feature, #pragma system_header.
1820 * cpp.texi: Document special treatment of system headers, and
1821 the various mechanisms to get a header that special treatment.
1823 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1825 * system.h (offsetof): Define at the very end, to ensure we prefer
1826 the platform's definition if available.
1828 2000-05-16 Bruce Korb <bkorb@gnu.org>
1830 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1831 * fixinc/server.c: likewise
1832 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1833 + #ifdef debugging code + use #def constant for
1835 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1836 on C++ math namespace
1838 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1840 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1841 Don't check the return value of sprintf. Use asprintf to avoid
1844 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1846 * flags.h (warn_unused_function, warn_unused_label,
1847 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1848 Replace ``warn_unused''.
1849 (set_Wunused): Add declaration.
1850 * toplev.c (set_Wunused): New function.
1851 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1852 warn_unused_variable, warn_unused_value): New variables.
1853 (W_options): Add -Wunused-function, -Wunused-function,
1854 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1855 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1857 * toplev.c (decode_W_option): Update -Wunused flags by calling
1859 * c-decl.c (c_decode_option): Ditto for -Wall.
1861 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1862 warn_about_unused_variables): Replace warn_unused with more
1863 explicit warn_unused_value et.al.
1864 * function.c (expand_function_end): Ditto.
1865 * c-typeck.c (internal_build_compound_expr,
1866 internal_build_compound_expr): Ditto.
1867 * c-decl.c (poplevel, pop_label_level): Ditto.
1868 * toplev.c (check_global_declarations): Replace warn_unused with
1869 check for either warn_unused_function or warn_unused_variable.
1871 * gcc.1, invoke.texi (Warning Options): Document
1872 -Wunused-function, -Wunused-function, -Wunused-label,
1873 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1875 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1877 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1878 $(srcdir), not in the current directory.
1880 2000-05-16 Richard Henderson <rth@cygnus.com>
1882 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1883 assembler supports it.
1884 (.fini, .init): Use a gp-relative indirect call.
1885 (__do_global_dtors_aux): Preserve the gp; rebundle.
1886 (__do_frame_setup): Likewise.
1887 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1888 (.init): Use a gp-relative indirect call.
1889 (__do_global_ctors_aux): Preserve the gp.
1891 2000-05-16 Richard Henderson <rth@cygnus.com>
1893 * flow.c (commit_one_edge_insertion): Be prepared for a return
1894 insn to be inserted on the edge with a normal jump.
1895 * jump.c (jump_optimize_1): Don't look to create return isns.
1897 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
1898 * jump.c (jump_optimize_1): Likewise.
1899 (returnjump_p): Verify the argument is a JUMP_INSN.
1900 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
1902 2000-05-16 Nick Clifton <nickc@cygnus.com>
1904 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
1905 GET_RTX_CLASS (GET_CODE ()) == 'i'.
1906 (large_insn_p): Ditto.
1907 (m32r_is_insn): New function: Return true if the insn contains
1908 an executable instruction.
1909 (m32r_adjust_insn): Use m32r_is_insn.
1910 (m32r_sched_reorder): Use m32r_is_insn.
1911 (m32r_sched_variable_issue): Use m32r_is_insn.
1913 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1915 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
1918 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
1920 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
1921 according to given options.
1923 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
1925 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
1926 if X has VOIDmode either.
1927 (LIMIT_RELOAD_CLASS): Similarly.
1929 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
1930 not "general_operand" to match the processor's capabilities.
1932 2000-05-16 Bruce Korb <bkorb@gnu.org>
1934 * fixinc/README: corrected return address
1935 * fixinc/check.diff: regenerate, now that test works
1936 * fixinc/fixfixes.c(format_fix,format_write): reformatted
1937 (char_macro_def_fix,char_macro_use_fix): corrected and
1938 rewrote to use regex to parse the text
1939 * fixinc/inclhack.def: more testing
1940 * fixinc/fixincl.x: regenerated
1942 * fixinc/inclhack.def: added several "test_text" attributes
1943 changed several fixes to use `c_fix = format'
1944 re-alphabetized the fixes
1946 * fixinc/check.diff: regenerate
1947 * fixinc/fixincl.x: regenerate
1948 * fixinc/check.tpl: added `sparc' and `netinet' to the list
1952 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
1954 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
1956 2000-05-15 Richard Henderson <rth@cygnus.com>
1958 * toplev.c (rest_of_compilation): Run full jump pass before
1959 find_basic_blocks of flow2.
1961 2000-05-15 Richard Henderson <rth@cygnus.com>
1963 * jump.c: Fix typos and clarify commentary from last change.
1964 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
1965 (safe_to_remove_jump_p): Remove.
1966 (condjump_label): Use pc_set.
1968 2000-05-15 Richard Henderson <rth@cygnus.com>
1970 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
1971 that get in the way after reload.
1972 (cond_exec_process_if_block): Skip a label heading THEN block.
1974 2000-05-15 Richard Henderson <rth@cygnus.com>
1976 * varasm.c (output_constant_pool): Abort instead of converting
1977 (improperly) deleted labels to zero.
1979 2000-05-16 Neil Booth <NeilB@earthling.net>
1981 * cpplex.c (parse_string2): Update comment.
1982 (cpp_lex_line): No special assertion treatment for '('.
1983 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
1984 * cpplib.h (SYNTAX_ASSERT): Remove.
1986 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
1988 * jump.c (condjump_p): Mark as depreached.
1989 (any_condump_p): New.
1990 (any_uncondump_p): New.
1992 (safe_to_remove_jump_p): New.
1993 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
1994 safe_to_remove_jump_p): Declare.
1996 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
1998 * calls.c: Re-install both patches reverted by last patch.
1999 (struct arg_data): New field tail_call_reg.
2000 (initialize_argument_information): Initialize tail_call_reg
2001 (load_register_parameters): New argument flags, use
2002 tail_call_reg when emiting tail call sequence.
2003 (expand_call): Update call of load_register_parameters;
2004 copy unadjusted_args_size to adjusted_args_size.
2006 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2008 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2009 and bct_p parameters to flags.
2010 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2011 * rtl.h (loop_optimize): Update prototype.
2012 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2014 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2016 * calls.c (expand_call): Move expand_start_target_temps call after
2019 2000-05-15 Neil Booth <NeilB@earthling.net>
2021 * cpphash.c (trad_stringify, warn_trad_stringify,
2022 collect_params): Make some pointers pointers to const.
2023 * cpplex.c (auto_expand_name_space) Guaranteed to always
2024 expand by at least one character.
2025 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2026 (struct token_spelling): Use const U_CHAR * rather than PTR.
2027 (expand_name_space): Fix up token pointers if name space
2028 is moved when expanding.
2029 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2030 parse_string2, save_comment, spell_token, cpp_output_list):
2031 Update so the routines handle tokens with a direct pointer to
2032 their text, rather than an offset into the token's list's namebuf.
2033 (_cpp_lex_line): Rearrange for clarity.
2035 * cpplib.c (_cpp_check_directive): Similarly.
2036 (do_define): Make SYM a pointer to const.
2037 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2038 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2039 (TOK_OFFSET): Delete.
2042 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2044 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2047 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2049 (logical_u_operand): Delete.
2050 (non_logical_cint_operand): Rewrite to take MODE into account.
2051 (non_logical_u_cint_operand): Delete.
2052 (boolean_operator): New function.
2053 (print_operand): Add new %q operand.
2054 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2055 remove logical_u_operand and non_logical_u_cint_operand,
2056 update logical_operand and non_logical_cint_operand.
2057 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2058 logical operations to use %q.
2060 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2061 (movdi): Make similar to movsi.
2062 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2063 is no such thing as a DImode CONST_DOUBLE.
2064 * config/rs6000/rs6000.c (output_toc): Likewise.
2066 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2067 codes when old mnemonics are in use. Print register names
2068 for cc registers when requested.
2070 * optabs.c (expand_float): Don't allow mode widening that causes
2073 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2074 flags to their current names -maix64 and -maix32.
2076 2000-05-14 Bruce Korb <bkorb@gnu.org>
2078 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2079 and/or after current text of file
2080 * fixinc/fixlib.c(must_malloc):
2081 * fixinc/fixlib.h(must_malloc): + reformatting
2082 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2083 with usages of ``c_fix = wrap;''
2084 Add several tests and use the ``c_fix = format'' fixer more.
2085 * fixinc/fixincl.x: regen
2086 * fixinc/check.diff: regen
2087 * fixinc/check.tpl: emit the associated header with the missing
2090 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2092 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2093 variables $src and $dst.
2095 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2097 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2098 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2099 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2100 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2102 (set_message_prefixing_rule): Declare.
2104 * diagnostic.c: (current_prefixing_rule): New variable.
2105 (set_message_prefixing_rule): Define.
2106 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2107 (init_output_buffer): Adjust Initialization.
2108 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2110 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2112 * ifcvt.c (if_convert): Do not free NULL.
2114 2000-05-12 Nick Clifton <nickc@cygnus.com>
2116 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2117 to move a double word value.
2118 (di_operand): New function: Return true if the operand is suitbale
2119 for a double word move operation.
2120 (nonimmediate_di_operand): New function: Return true if the
2121 operand is a DImode register or MEM.
2123 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2124 nonimmediate_di_operand.
2126 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2127 nonimmediate_di_operand.
2129 * config/fr30/fr30.md (movdi): New pattern. Required because
2130 other patterns generate DImode results.
2131 (movdi_insn): New pattern.
2133 2000-05-12 Richard Henderson <rth@cygnus.com>
2135 * config/alpha/alpha.c (struct shadow_summary): Define
2136 bitfields as type unsigned int.
2138 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2140 * config/avr/t-avr: Added definition of FLOAT while generates
2143 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2144 peepholes for tst+jump = sbrs/sbrc optimization.
2146 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2148 * expr.c (emit_push_insn): Do not adjust stack pointer when
2151 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2153 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2154 * system.h (offsetof): ... to here.
2156 2000-05-12 Richard Henderson <rth@cygnus.com>
2158 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2159 * final.c (final_end_function): Use app_disable. Rearrange note
2160 handling into a switch. Emit deleted labels.
2161 (output_asm_label): Generate label strings for deleted labels.
2162 * flow.c (tail_recursion_label_list): New.
2163 (find_basic_blocks_1): Set label_value_list directly. Collect list
2164 of tail recursion labels from call_placeholders. Don't add deleted
2165 labels to the label value list.
2166 (cleanup_cfg): Use free_EXPR_LIST_list.
2167 (flow_delete_insn_chain): Turn non-removable labels into notes.
2168 (flow_delete_block): Don't disable deleting the block because of
2169 a non-removable label.
2170 (tail_recursion_label_p): New.
2171 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2173 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2175 (merge_blocks): Disable a merge because of tail recursion labels.
2176 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2177 Use a more accurate measure of not merging the join block.
2178 (find_if_block): Don't disable conversion because of a label.
2179 (find_if_case_1, find_if_case_2): Likewise.
2180 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2181 element when copying.
2182 (squeeze_notes): Also leave EH notes.
2183 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2185 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2187 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2188 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2189 referring to a deleted label. Convert tail handling to a switch.
2190 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2191 for NOTE_INSN_DELETED_LABEL.
2192 (NOTE): Fix commentary.
2193 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2194 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2195 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2196 (LABEL_NUSES, LABEL_REFS): Likewise.
2197 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2199 2000-05-12 Bruce Korb <bkorb@gnu.org>
2201 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2202 * fixinc/check.diff: updated
2203 * fixinc/inclhack.def: corrected & added some test_text-s
2204 * fixinc/genfixes: removed unneeded options to autogen invocation
2205 * fixinc/fixincl.tpl: Specified the output file
2206 * fixinc/fixfixes.c: visual appearance
2207 * fixinc/fixincl.x: regenerate
2209 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2211 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2212 CTRL_defn_fix): Delete.
2213 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2214 char_macro_def_fix and char_macro_use_fix, respectively. Put
2215 them into the FIXUP_TABLE. Get the string to search for from
2218 (format_write): New function.
2219 (format_fix): Use it.
2221 (FIX_PROC_HEAD): Constify text parameter.
2222 (machine_name_fix): Constify all char *s.
2223 * fixtests.c (skip_quote): Remove double static.
2225 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2226 ctrl_use_quotes): Update for new scheme.
2227 * fixincl.x: Regenerate.
2229 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2231 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2233 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2234 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2236 2000-05-11 Robert Lipe <robertlipe@usa.net>
2238 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2239 * fixincl.x: Regenerate.
2241 2000-05-11 Richard Henderson <rth@cygnus.com>
2243 * calls.c: Revert both 05-09 patches.
2245 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2247 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2249 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2252 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2253 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2255 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2257 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2259 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2261 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2263 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2265 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2266 * config/avr/avr.c (jump_over_one_insn_p): New function.
2267 * config/avr/avr.md: New peepholes added. Output test and
2268 conditional jump to "sbrc" or "sbrs" command.
2270 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2272 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2274 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2276 * except.c (find_exception_handler_labels_1): New function.
2277 (find_exception_handler_labels): Split into two functions, dive
2278 into CALL_PLACEHOLDERs when looking for exception handler labels.
2280 2000-05-11 Stan Cox <scox@cygnus.com>
2282 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2283 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2284 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2286 2000-05-11 Bruce Korb <bkorb@gnu.org>
2288 * fixinc/fixfixes.c (double_slash_fix): obsolete
2289 (else_endif_label_fix): obsolete
2290 (format_fix): new, unused as yet
2292 * fixinc/fixlib.h: added fix description struct for use by format_fix
2293 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2294 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2295 modules. Removed the vestiges of the script version.
2296 Added support for "make check".
2297 * fixinc/check.diff: base diff file (needs work!!)
2298 * fixinc/check.tpl: quiet the fixup output
2299 * fixinc/fixtests.c (main): obsolete
2300 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2301 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2303 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2305 * toplev.c (rest_of_compilation): Remove dead code after
2308 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2310 * cpphash.c (collect_funlike_expansion): Make "# is not
2311 followed by a macro argument name" a pedwarn, not an error.
2312 Preserve the # in the output. Suppress the warning if lang_asm.
2314 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2316 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2317 * configure: Rebuilt.
2319 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2321 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2323 2000-05-10 Kazu Hirata <kazu@hxi.com>
2325 * combine.c (try_combine): Fix a typo.
2327 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2329 * config/ia64/ia64.md (insv): Add comment.
2331 2000-05-10 Richard Henderson <rth@cygnus.com>
2333 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2334 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2335 dependancies on FPBIT and DPBIT.
2337 2000-05-10 Nick Clifton <nickc@redhat.com>
2339 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2340 when optimising for size.
2341 (mark_used_regs:) Ditto.
2342 (try_pre_increment_1): Ditto.
2344 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2346 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2347 Make error message friendlier.
2349 * cpphash.h (struct hashnode): Use struct hack for name
2351 * cpphash.c (struct hashdummy): New.
2352 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2353 (make_HASHNODE): No need to set ->name pointer. Correct
2355 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2357 2000-05-10 Richard Henderson <rth@cygnus.com>
2359 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2362 2000-05-10 Bruce Korb <bkorb@gnu.org>
2364 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2366 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2368 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2369 after we enter .debug.
2371 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2373 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2374 abstract instance of a nested inline function.
2376 * stor-layout.c (finish_record_layout): finalize_type_size
2377 before laying out the pending_statics.
2379 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2381 * cpplex.c (spell_token): New function.
2382 (spell_string, spell_comment, spell_name): fold into
2385 (E, H): Remove macros.
2386 (save_comment): Save comment opening characters too.
2387 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2389 * cpplib.h (I, S): Add macros.
2390 (E, H): Remove macros.
2391 (TTYPE_TABLE): Update entries for new speller.
2392 (SYNTAX_ASSERT): Remove.
2394 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2396 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2397 when removing escaped newlines. Reverse sense of test for
2400 2000-05-09 Richard Henderson <rth@cygnus.com>
2402 * flow.c (find_basic_blocks_1): Do not delete the first
2403 bb_note we run across.
2404 (create_basic_block): Use reorder_insns to move an existing
2405 bb_note to the correct place.
2407 2000-05-09 Richard Henderson <rth@cygnus.com>
2409 * calls.c (expand_call): Increment currently_expanding_call
2410 before calling optimize_tail_recursion.
2412 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2414 * reload1.c (reload_combine): Fix errors in last change.
2416 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2418 * gcc.c (used_arg): Skip over a semicolon at the end of the
2419 split-up loop; don't break out of it.
2421 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2422 (tree.o): Depend on output.h.
2424 * c-decl.c (pending_invalid_xref_file,
2425 current_function_prototype_file): Constify.
2426 (pushdecl): Constify a local char *.
2427 (define_label): Constify filename parameter.
2428 * c-lex.c (init_parse): Constify parameter and return value.
2429 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2430 * c-tree.h: Update prototypes.
2431 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2432 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2433 objc/objc-parse.c: Regenerate.
2435 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2436 * dwarfout.h: Update prototypes.
2437 * expr.c (expand_expr): Constify a local char *.
2438 * flags.h: Constify main_input_filename.
2439 * function.c (expand_function_end): Constify filename parameter.
2440 * genrecog.c (make_insn_sequence): Use a character array for
2442 (main): Remove unused variables.
2443 * input.h: Constify input_filename, main_input_filename, and
2444 file_stack.name. Update prototypes.
2445 * output.h: Declare first_global_object_name and
2446 weak_global_object_name here, as const char *.
2447 * stmt.c (expand_asm_operands): Constify filename parameter.
2448 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2449 Constify filename parameter.
2450 (input_filename, main_input_filename): Constify.
2451 * toplev.h: Update prototypes.
2452 * tree.c: Include output.h. Don't declare
2453 first_global_object_name or weak_global_object_name. Clean up string
2454 bashing in get_file_function_name_long.
2455 * tree.h (struct tree_decl): Constify filename member.
2456 (input_filename): Constify.
2458 * varasm.c (first_global_object_name, weak_global_object_name):
2460 (assemble_start_function, assemble_variable): Clean up string bashing.
2462 * gcc.c: Constify all spec-related strings initialized,
2463 transitively, from string constants. Constify all strings
2464 and string variables related to multilibs.
2465 (set_spec, read_specs): Cast argument to free to PTR.
2466 (used_arg): Do not modify multilib_matches. Use strncmp plus
2467 length comparison to compare multilib switches.
2468 * genmultilib: Constify everything declared in multilib.h.
2470 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2472 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2475 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2477 * config/avr/avr-protos.h (extra_constraint): change a type of
2478 second argument from char to int to avoid warnings.
2479 (asm_output_byte): Likewise.
2481 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2482 (initial_elimination_offset): Handle elimination from
2483 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2484 (legitimate_address_p): Use MAX_LD_OFFSET.
2485 (legitimize_address): Likewise.
2486 (out_movqi_r_mr): Likewise.
2487 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2488 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2489 (out_movsi_mr_r): Likewise.
2490 (out_movqi_mr_r): Likewise.
2491 (out_movhi_mr_r): Likewise.
2492 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2493 count as CONST_INT != 6.
2494 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2495 shift count is a CONSTANT_P, but not a CONST_INT.
2496 (ashlhi3_out): Coding style modifications.
2497 (ashlsi3_out): Likewise.
2498 (ashrhi3_out): Likewise.
2499 (ashrsi3_out): Likewise.
2500 (lshrhi3_out): Likewise.
2501 (lshrsi3_out): Likewise.
2502 (ashrqi3_out): Generate shift for any known constant count without
2503 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2504 but not a CONST_INT.
2505 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2506 shift count is a CONSTANT_P, but not a CONST_INT.
2507 (extra_constraint): change a type of
2508 second argument from char to int to avoid warnings.
2509 (asm_output_byte): Likewise.
2510 (asm_file_end): Output size generated commands count as a hex
2513 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2515 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2517 (ashlqi3): Values of "length" attribute changed. Shift count
2518 uses constraints 'n' instead of 'i'.
2519 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2520 shifts without clobber register.
2521 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2522 (call_insn): Correct test for which_alternative == 1 (was 0).
2523 (call_value_insn): Likewise.
2525 * config/avr/t-avr: Remove definition of FLOAT while generates
2528 2000-05-09 Bruce Korb <bkorb@gnu.org>
2530 * fixinc/check.tpl: Template for checking fixes
2531 * fixinc/inclhack.def: Added 'test_text' for many fixes
2532 disable hpux8_bogus_inlines on SCO
2533 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2535 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2537 * calls.c (expand_call): Reorganize somewhat in order
2538 to avoid unnecesary recalculation inside loop and make
2539 tail call failure code cleaner.
2541 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2543 * alias.c (nonlocal_reference_p): Minor reformatting.
2544 * reload.c (find_equiv_reg): Simplify logic for
2545 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2546 some some reformatting.
2547 * reload1.c (reload_combine): Don't assume everything in
2548 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2550 2000-05-08 Richard Henderson <rth@cygnus.com>
2552 * final.c (current_insn_predicate): New.
2553 (final_scan_insn): Set it.
2554 * output.h (current_insn_predicate): Declare.
2556 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2557 Attach it to call insns.
2558 (cond_exec_process_if_block): Track probability for true and
2560 (dead_or_predicable): Likewise.
2562 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2563 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2564 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2565 (estimate_probability, expected_value_to_br_prob): Use them.
2567 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2568 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2569 (ia64_expand_prediction): New.
2570 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2571 as needed after calls.
2572 (ia64_epilogue_uses): Mark b0 used.
2573 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2574 (bne_true, bne_false): Remove.
2575 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2576 (br_true, br_false): New. Use predicate_operator and
2577 ia64_expand_prediction.
2578 (return_true, return_false): Likewise.
2579 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2580 (call_internal1, call_value_internal): Likewise.
2581 (call_value_internal1, call_multiple_values_internal1): Likewise.
2583 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2585 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2587 2000-05-08 Richard Henderson <rth@cygnus.com>
2589 * rtlanal.c (may_trap_p): Consider old-style and volatile
2592 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2594 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2596 2000-05-08 Richard Henderson <rth@cygnus.com>
2598 * config/ia64/ia64.h (predicate_operator): Declare.
2600 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2603 * gensupport.c (process_rtx): Copy and post-process each member
2604 of the define_insn rtvec individually.
2606 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2608 * cpplex.c (spell_token): New function.
2609 (TOKEN_LEN): Add 1 for whitespace.
2610 (_cpp_lex_file): Update to use spell_token.
2611 * cpplib.h (E): Remove.
2612 (TTYPE_TABLE): Update CPP_VSPACE entry.
2614 2000-05-08 Richard Henderson <rth@cygnus.com>
2616 * flow.c (init_propagate_block_info): Watch out for conditional
2617 branch to next instruction, and thus one outgoing edge.
2619 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2620 for global register variables; don't special case __[CD]TOR_LIST__;
2621 mind ggc_p for string allocation.
2623 2000-05-08 Nick Clifton <nickc@cygnus.com>
2625 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2627 2000-05-08 Bruce Korb <bkorb@gnu.org>
2629 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2630 i?86-*-msdosdjgpp* no longer uses fixincludes
2631 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2632 * fixinc/inclhack.sh: deleted
2633 * fixinc/hackshell.tpl: deleted
2634 * fixinc/inclhack.tpl: deleted
2635 * fixinc/Makefile.in: Remove dependencies on above
2636 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2638 2000-05-08 Andreas Jaeger <aj@suse.de>
2640 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2643 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2645 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2648 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2650 * cpplex.c: Move new lexer definitions and prototypes
2651 to top. Conditional include these and the code if
2652 NEW_LEXER is defined. Rename functions whose names
2653 clash if this code included.
2655 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2657 * rtl.def (COND_EXEC): Clarify.
2659 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2660 same fashion as zero_extendsidi2.
2662 2000-05-06 Richard Henderson <rth@cygnus.com>
2664 * config/ia64/ia64.c (predicate_operator): New.
2665 (ia64_print_operand): Handle 'J'.
2666 (rtx_needs_barrier): Handle COND_EXEC.
2667 * config/ia64/ia64.h (BRANCH_COST): Define.
2668 (PREDICATE_CODES): Update.
2669 * config/ia64/ia64.md: Docuement used unspec values.
2670 (attr predicable): New.
2671 (movxf, movxf_internal): New.
2672 (extendsfdf2): Don't comment out nop.
2673 (floatdidf2): Remove.
2674 (truncxfsf2, truncxfdf2, floatdixf2): New.
2675 (abssi2, absdi2): Put the neg in the "true" slot.
2676 (conditional branch instructions): Mark not predicable.
2677 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2678 (abs*_internal): Likewise.
2679 (alloc, set_bsp): Mark not predicable.
2680 (barrier, insn_group_barrier, flush_cache): Likewise.
2681 (define_cond_exec): New.
2683 2000-05-06 Richard Henderson <rth@cygnus.com>
2685 * c-decl.c: Include "tm_p.h".
2687 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2688 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2689 (ia64_expand_op_and_fetch): Declare.
2690 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2691 (setjmp_operand): Constify variables for XSTR.
2692 (ia64_encode_section_info): Likewise.
2693 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2695 (ia64_asm_output_external): Constify name.
2696 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2697 (process_for_unwind_directive): Provide switch default.
2698 (ia64_expand_compare_and_swap): Remove unused variables.
2699 (ia64_expand_builtin): Likewise.
2700 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2703 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2704 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2705 (shift_count_operand, shift_32bit_count_operand): Likewise.
2706 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2707 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2708 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2709 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2710 (ia64_expand_builtin): Likewise.
2711 (call_multiple_values_operation): Make dest_regno unsigned.
2713 2000-05-06 Richard Henderson <rth@cygnus.com>
2715 * rtl.def (DEFINE_COND_EXEC): New.
2716 * md.texi: Document it.
2718 * gensupport.c (input_file): Remove.
2719 (struct queue_elem): Add lineno.
2720 (rtx_ready_queue): Remove.
2722 (predicable_default): New.
2723 (predicable_true, predicable_false): New.
2724 (define_attr_queue, define_attr_tail): New.
2725 (define_insn_queue, define_insn_tail): New.
2726 (define_cond_exec_queue, define_cond_exec_tail): New.
2727 (other_queue, other_tail): New.
2728 (queue_pattern): New.
2729 (process_rtx): Add patterns to the appropriate queues.
2730 (is_predicable, identify_predicable_attribute): New.
2731 (n_alternatives, collect_insn_data): New.
2732 (alter_predicate_for_insn, alter_test_for_insn): New.
2733 (shift_output_template, alter_output_for_insn): New.
2734 (process_one_cond_exec, process_define_cond_exec): New.
2735 (init_md_reader): Read the entire file. Process define_cond_exec.
2736 (read_md_rtx): Return elements from the queues.
2738 2000-05-06 Richard Henderson <rth@cygnus.com>
2740 * flow.c (mark_set_1): Don't update conditional life info
2741 if the register is not_dead.
2743 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2745 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2746 (mostlyclean): Also delete fixincl, fixinc.sh, and
2747 specs.ready, and make clean in the fixinc subdir.
2749 2000-05-06 Richard Henderson <rth@cygnus.com>
2751 * Makefile.in (gensupport.o): Compile for the host.
2752 (host-prefix gensuuprt.o): Remove.
2753 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2754 (genattrtab.o): Likewise.
2755 (gencodes.o): Depend on gensupport.h.
2756 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2757 (genpeep.o, genattr.o, genoutput.o): Likewise.
2759 * gensupport.c (obstack, rtl_obstack): New.
2760 (init_md_reader): Initialize rtl_obstack.
2761 * gensupport.h (rtl_obstack): Declare.
2762 (message_with_line): Declare.
2764 * genattr.c: Remove all traces of obstack manipulation.
2765 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2766 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2768 * genattrtab.c (obstack, rtl_obstack): Remove.
2769 (main): Don't init rtl_obstack.
2770 * genflags.c: Likewise.
2772 * genrecog.c (message_with_line): Move ...
2773 * gensupport.c: ... here.
2775 2000-05-06 Richard Henderson <rth@cygnus.com>
2777 * c-typeck.c (build_c_cast): Remove dead code.
2779 2000-05-06 Richard Henderson <rth@cygnus.com>
2781 * flow.c (split_edge): Don't allocate global_live_at_start for
2782 the new block unless the old blocks had them as well.
2784 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2786 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2787 test_bb if a or b uses x.
2789 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2791 * cpphash.h: Remove conditional #define of __extension__.
2792 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2793 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2794 (ENABLE_RTL_CHECKING only).
2795 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2796 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2797 (ENABLE_TREE_CHECKING only).
2798 * varray.h: Add __extension__ to VARRAY_CHECK macro
2799 (ENABLE_CHECKING only).
2801 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2803 Use new tail-calling mechanism on ARM.
2804 * arm.md (sibcall, sibcall_value): New expands.
2805 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2806 (tailcalling peepholes): Delete.
2807 (push_multi): Simplify.
2808 * arm.c (lr_save_eliminated): Delete definition.
2809 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2810 (output_return_instruction): Remove checks on lr_save_eliminated.
2811 (output_arm_prologue): Remove old tail-calling code.
2812 (arm_output_epilogue): New parameter, really_return. All callers
2813 changed. Handle tail-calling epilogues.
2814 * arm.h (lr_save_eliminated): Delete declaration.
2815 (frame_pointer_needed): Delete declaration.
2816 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2818 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2820 * arm.c (thumb_code): Define it.
2821 (arm_override_options): Set it.
2822 * arm.h (thumb_code): Declare it.
2824 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2826 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2828 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2830 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2831 bogus clobber to insns.
2832 (load_multiple_operation, store_mulitple_operation): Don't check
2834 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2836 * arm.md (and_scc, ior_scc): Add missing mode.
2838 * arm.md (call_value_symbol): Remove predicate from op2.
2840 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2842 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2844 * expr.c (get_subtarget): New function.
2845 (force_operand, expand_expr, do_store_flag): Use it.
2847 * toplev.c (compile_file): Don't take strlen of NAME if null.
2849 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2851 * xcoffout.c (xcoff_current_include_file,
2852 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2853 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2855 (xcoffout_declare_function): Make name 'const char *'.
2856 (xcoffout_end_epilogue): Make fname 'const char *'
2857 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2858 xcoffout_declare_function, xcoffout_source_line): Match above.
2860 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2862 * rs6000.c (print_operand): Fix lossage typo.
2863 (output_cbranch): Remove "cr" decoration for now.
2864 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2866 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2868 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2871 2000-05-05 Bruce Korb <bkorb@gnu.org>
2873 * fixinc/genfixes: Improve the matching for make target names
2875 2000-05-05 Catherine Moore <clm@cygnus.com>
2877 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2878 attribute to the decl.
2879 * c-decl.c (pushdecl): Propagate the USED attribute to the
2882 2000-05-05 Richard Henderson <rth@cygnus.com>
2884 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2885 same way emit_group_load does.
2887 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2889 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2891 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
2894 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
2896 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
2898 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
2900 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
2901 to support -shared, on platforms with dynamic libraries.
2903 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
2905 * system.h (S_ISBLK): Provide fallback definition.
2907 2000-05-05 Geoff Berry <geoffb@bops.com>
2909 * extend.texi (Extended Asm): Document inability to give asm
2910 statements access to condition codes.
2912 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
2914 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
2915 as arg 2 of UNIQUE_SECTION.
2917 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
2919 * predict.c: Remove May 4 change.
2920 * bb-reorder.c (make_reorder_chain): Do not perform block movement
2921 if we have predicted the branch at 50-50 probability.
2923 2000-05-05 Richard Henderson <rth@cygnus.com>
2925 * flow.c (init_propagate_block_info): Fix merge error
2926 in HAVE_conditional_execution code.
2928 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
2930 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
2931 shift cycle for unknown shift count. Also generates dec + brpl.
2932 (ashlqi3_out): Don't generate dec + brpl which now generates by
2933 `out_shift_with_cnt'.
2934 (ashlhi3_out): Likewise.
2935 (ashlsi3_out): Likewise.
2936 (ashrqi3_out): Likewise.
2937 (ashrhi3_out): Likewise.
2938 (ashrsi3_out): Likewise.
2939 (lshrqi3_out): Likewise.
2940 (lshrhi3_out): Likewise.
2941 (lshrsi3_out): Likewise.
2943 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
2945 * gcc.c (free_split_directories): Correct typo in explanation
2946 of make_relative_prefix.
2948 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2950 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
2951 comparison codes to branch_comparison_operator.
2953 2000-05-04 Richard Henderson <rth@cygnus.com>
2955 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
2957 2000-05-04 Richard Henderson <rth@cygnus.com>
2959 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
2960 (DPBIT_FUNCS): Remove _sf_to_usi.
2961 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
2963 * ifcvt.c (noce_process_if_block): Fail if A or B modified
2964 between condition and jump.
2966 * libgcc2.c (near eh_context_specific): Comment #endif string.
2967 * longlong.h: Don't use strings with embedded newlines.
2969 2000-05-04 Geoff Keating <geoffk@cygnus.com>
2971 * config/rs6000/rs6000-protos.h: Add output_cbranch.
2972 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
2973 (print_operand): Delete %t and %T codes.
2974 (output_cbranch): New function. Support branch prediction.
2975 * config/rs6000/rs6000.md: Use output_cbranch for
2976 conditional branches and returns.
2978 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
2980 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
2981 * stor-layout.c (place_field): Likewise.
2982 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
2983 * expr.c (store_expr): Make align unsigned.
2984 * explow.c (plus_constant_wide): Make low words unsigned.
2985 * expmed.c (choose_multiplier): Likewise.
2986 * fold-const.c (fold): Likewise.
2987 * tree.h (build_int_2): Likewise.
2988 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
2989 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
2990 (init_emit): Change cast to unsigned char*.
2991 * varasm.c (compare_constant_1): Add cast to char*.
2992 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
2993 * reload1.c (reload): Likewise.
2995 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
2997 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
2999 * predict.c (estimate_probability): If no prediction was found, then
3000 predict the successor that is the next physical block (if such a
3003 2000-05-04 Richard Henderson <rth@cygnus.com>
3005 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3007 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3009 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3011 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3013 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3014 attribute macros from here ...
3015 (CPP_SPEC): to here.
3016 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3017 (CPP_SPEC): Likewise.
3018 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3020 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3021 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3023 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3025 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3027 * diagnostic (vbuild_message_string, build_message_string,
3028 build_location_prefix, output_get_prefix, init_output_buffer,
3029 output_notice, vline_wrapper_message_with_location,
3030 v_message_with_decl, default_print_error_function): De-constify.
3031 (set_real_maximum_length): Prototype.
3033 * diagnostic.h (struct output_buffer, init_output_buffer,
3034 output_get_prefix, output_set_prefix): De-constify.
3036 * function.c (init_function_start): Constify.
3038 * gensupport.c (remove_constraints, process_rtx): Prototype.
3040 * gthr-posix.h: Indent uses of #pragma.
3042 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3045 * predict.c (find_expected_value): Delete prototype.
3046 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3048 * sbitmap.h (debug_sbitmap): Prototype.
3050 * ssa.c (compute_coalesced_reg_partition): Prototype.
3052 * stor-layout.c (debug_rli): Prototype.
3054 * tree.h (round_down): Prototype.
3055 (init_function_start): Constify.
3057 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3059 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3060 (overly conservative). Change extern inline wrappers to
3061 static inline, define them always, use PARAMS properly.
3062 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3063 whitespace warnings for \f and \v at the beginning of a line.
3065 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3067 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3070 2000-05-04 Bruce Korb <bkorb@gnu.org>
3072 * fixincl/inclhack.def: added broken_cabs -
3073 Remove `extern double cabs' declarations from math.h
3074 * fixincl/inclhack.sh: regen
3075 * fixincl/fixincl.x: regen
3076 * fixincl/fixincl.c: Remove BOGOSITY code
3077 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3079 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3081 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3083 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3084 when calling MEM_COPY_ATTRIBUTES.
3085 * emit-rtl.c (operand_subword, change_address): Likewise.
3086 * explow.c (stabilize): Likewise.
3087 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3088 * integrate.c (copy_rtx_and_substitute): Likewise.
3089 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3090 when calling MEM_COPY_ATTRIBUTES.
3091 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3093 * cse.c (gen_lowpart_if_possible): Likewise.
3094 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3095 * optabs.c (gen_move_insn): Likewise.
3096 * recog.c (validate_replace_rtx_1): Likewise.
3097 * simplify-rtx.c (add_mem_for_addr): Likewise.
3098 * stmt.c (expand_anon_union_decl): Likewise.
3099 * config/arm/arm.md: Likewise.
3100 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3101 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3102 (block_move_no_loop, block_move_sequence): Likewise.
3103 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3104 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3105 Clear MEM_ALIAS_SET.
3106 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3107 MEM_COPY_ATTRIBUTES.
3109 2000-05-03 Robert Lipe <robertlipe@usa.net>
3111 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3112 to suppress libgcc1.
3113 (i[34567]86-*-sco3.2v5*) Likewise.
3114 (i[34567]86-*-sco3.2v4*) Likewise.
3115 (i[34567]86-*-sco) Likewise.
3116 (i[34567]86-*-solaris2) Likewise.
3117 (i[34567]86-*-sysv5*) Likewise.
3118 (i[34567]86-*-sysv4*) Likewise.
3119 (i[34567]86-*-udk*) Likewise.
3120 (i[34567]86-*-sysv*) Likewise.
3122 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3124 * cpphash.h (U): New define, to correct type of string constants.
3125 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3126 routines, to do casts when passing unsigned strings to libc.
3127 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3129 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3130 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3131 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3132 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3133 second argument an U_CHAR *.
3135 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3136 length field, clean up initializer.
3137 (ISTABLE): Add __extension__ to designated-
3138 initializers version.
3139 * cpplex.c (CHARTAB): Likewise.
3141 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3142 case so the file won't be empty.
3144 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3146 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3147 (REORDER_BLOCK_SUCC): Removed.
3148 (enum reorder_skip_type): Removed.
3149 (skip_insns_between_block): Renamed to skip_insns_after_block.
3150 Removed second argument. Removed dead code and cleaned up.
3151 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3152 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3153 second parameter to skip_insns_after_block.
3155 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3157 * tree.c (staticp, case LABEL_DECL): New case.
3159 2000-05-03 Richard Henderson <rth@cygnus.com>
3161 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3163 * mklibgcc1.in: Fix typo last change.
3165 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3167 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3168 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3169 (GCC_CFLAGS): Use it.
3170 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3171 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3172 objc/Make-lang.in: Use it.
3174 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3176 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3178 2000-05-03 Richard Henderson <rth@cygnus.com>
3180 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3181 LIBGCC1 empty with libgcc1.null.
3183 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3185 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3188 2000-05-03 Greg McGary <gkm@gnu.org>
3190 * tree.h (tree_common): Add bounded_flag member. Remove
3191 inaccurate comment about number of remaining bits.
3192 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3193 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3194 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3195 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3196 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3197 (TYPE_QUAL_BOUNDED): New constant.
3198 (TYPE_QUALS): Handle bounded qualifier.
3199 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3200 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3201 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3202 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3203 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3204 (tree_type): Add pointer_depth member. Remove
3205 inaccurate comment about number of remaining bits.
3206 (DECL_POINTER_DEPTH): Add macro.
3207 (tree_decl): Add pointer_depth member.
3209 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3211 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3212 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3213 (lshrhi3_out): Likewise.
3214 (ashrsi3_out): bugfix in shift by 8.
3215 (test_hard_reg_class): New function.
3216 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3217 (ashlhi3): removed define_expand of this pattern.
3218 (*ashlhi3_insn): renamed to ashlhi3.
3219 (ashlsi3): removed define_expand of this pattern.
3220 (*ashlsi3_insn): renamed to ashlsi3.
3221 (ashrqi3): removed define_expand of this pattern.
3222 (*ashrqi3_insn): renamed to ashrqi3.
3223 (ashrhi3): removed define_expand of this pattern.
3224 (*ashrhi3_insn): renamed to ashrhi3.
3225 (ashrsi3): removed define_expand of this pattern.
3226 (*ashrsi3_insn): renamed to ashrsi3.
3227 (lshrhi3): removed define_expand of this pattern.
3228 (*lshrhi3_insn): renamed to lshrhi3.
3229 (lshrsi3): removed define_expand of this pattern.
3230 (*lshrsi3_insn): renamed to lshrsi3.
3232 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3234 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3235 inclusion of "system.h".
3237 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3239 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3242 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3244 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3245 if -mauto-pic is on.
3246 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3247 -mconstant-gp is in effect and function-descriptors are being used
3248 to make indirect calls.
3249 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3250 (MASK_AUTO_PIC): Ditto.
3251 (TARGET_CONST_GP): Ditto.
3252 (TARGET_AUTO_PIC): Ditto.
3253 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3254 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3255 -mno-pic is in effect.
3256 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3257 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3258 -mauto-pic is in effect.
3259 (gprel64_offset): New pattern.
3260 (load_gprel64): Ditto.
3261 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3262 -mconstant-gp is in effect, no need to preserve gp around direct
3264 (call_value): Ditto.
3265 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3266 (FUNCTION_PROFILER): Define.
3267 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3268 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3269 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3271 2000-05-03 Richard Henderson <rth@cygnus.com>
3273 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3274 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3275 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3276 (mklibgcc, libgcc.mk): New targets.
3277 (libgcc.a): Use libgcc.mk.
3278 (stmp-multilib): Likewise.
3279 (stmp-multilib-sub): Remove.
3280 (mostlyclean): Don't delete libgcc2 temp files.
3281 * configure.in (AC_PROG_CC_C_O): Add.
3282 (NO_MINUS_C_MINUS_O): Substitute it.
3283 (all_outputs): Add mklibgcc.
3284 * mklibgcc.in: New file.
3286 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3288 * cppexp.c (op_t): Make an int.
3290 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3292 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3294 * gensupport.c (process_rtx): Fix macros used.
3296 2000-05-03 Richard Henderson <rth@cygnus.com>
3298 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3299 call-clobbered registers of a call.
3301 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3303 * gensupport.c: New file.
3304 * gensupport.h: New file.
3305 * Makefile.in (HOST_RTL): Depend on gensupport.
3306 (gensupport.o) New rule.
3307 * genattr.c: Use gensupport for reading .md files.
3308 * genattrtab.c: Ditto.
3309 * gencodes.c: Ditto.
3310 * genconfig.c: Ditto.
3312 * genextract.c: Ditto.
3313 * genflags.c: Ditto.
3314 * genopinit.c: Ditto.
3315 * genoutput.c: Ditto.
3317 * genrecog.c: Ditto.
3318 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3319 * md.texi (Insn Splitting): Document define_insn_and_split.
3321 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3323 * flow.c (verify_flow_info): Added two more sanity checks. The
3324 first checks that the blocks are numbered consecutively. The second
3325 checks that n_basic_blocks is actually equal to the number of
3326 basic blocks in the insn chain.
3328 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3330 * cpplib.h: Add accessor macros for token lists.
3331 * cpplib.c, cpphash.c, cpplex.c: Use them.
3333 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3335 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3336 memory usage if not in a function.
3337 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3338 return address if static.
3340 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3342 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3343 whether address may trap.
3345 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3347 * bb-reorder (chain_reorder_blocks): Changed code to test for
3348 EDGE_FALLTHRU rather than making erroneous assumption that the
3349 first outgoing edge is the fall-through edge.
3351 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3353 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3354 ABI for varargs, across all MIPS. This is incompatible because the
3355 va_list (__builtin_va_list) structure is different, so a compilation
3356 unit passing a va_list and a compilation unit being passed one, should
3357 both be compiled with the same ABI. (The old structure had two
3358 pointers, now it has three.)
3360 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3362 * bb-reorder.c (struct reorder_block_def): Remove members end,
3363 block_begin, and block_end.
3364 (REORDER_BLOCK_OLD_END): Delete.
3365 (REORDER_BLOCK_BEGIN): Delete.
3366 (REORDER_BLOCK_END): Delete.
3367 (chain_reorder_blocks): Remove dead code.
3369 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3371 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3372 notes as the end of a basic block before deleting.
3374 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3376 * final.c (final_start_function): Fix spelling of "necessary".
3378 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3380 * toplev.c (debug_ignore_block): Return int.
3381 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3382 * toplev.h, dwarf2out.h: Adjust.
3383 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3385 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3386 * toplev.c, final.c, rtl.h: Adjust.
3388 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3390 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3391 * configure.in: Look for makeinfo in the unified tree, then
3392 for a system makeinfo which is sufficiently new.
3393 * Makefile.in: If configure says makeinfo is too old, don't
3394 build or install Info documentation.
3396 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3398 * cpphash.c (collect_params): Fix off-by-one error.
3399 (dump_hash_helper): Dump all four macro nodetypes.
3401 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3403 * cpphash.c (trad_stringify): Adjust p after stringification as
3406 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3408 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3409 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3411 * cppfiles.c (file_cleanup): Delete.
3412 * cpphash.c (macro_cleanup): Delete.
3413 (collect_objlike_expansion, collect_funlike_expansion,
3414 macarg, scan_arguments): Remove CPP_POP case.
3416 * cpplex.c (null_cleanup): Delete.
3417 (cpp_pop_buffer): Do the work that was done in the cleanups
3418 here. Call _cpp_unwind_if_stack from here.
3419 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3420 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3421 stack is the buffer _below_ the one we stacked.
3422 (cpp_get_token): Always pop an exhausted buffer. Return
3423 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3424 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3425 increment the line number.
3426 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3428 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3429 we see CPP_EOF and the top of stack is the buffer _below_ the
3431 * scan-decls.c: Likewise.
3433 2000-05-02 Andrew Haley <aph@cygnus.com>
3435 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3436 where this function is called for the second time on a decl that
3437 has had its section info changed in such a way as to move it out
3439 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3441 2000-05-01 Richard Henderson <rth@cygnus.com>
3443 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3444 the sequence we're moving, not to merge_bb->head.
3446 2000-05-01 Richard Henderson <rth@cygnus.com>
3448 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3449 reference to alpha/t-linux.
3450 (alpha*-*-linux-gnu*): Likewise.
3451 * configure: Rebuild.
3453 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3455 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3458 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3460 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3462 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3465 2000-05-01 Richard Henderson <rth@cygnus.com>
3467 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3468 emit_conditional_move.
3470 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3472 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3473 as the dynamic linker.
3475 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3477 * cppfiles.c (open_include_file): Open file in blocking mode.
3478 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3479 Only exclude block devices and directories.
3481 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3482 static. Allocate the hashnode and its string in the same
3484 (del_HASHNODE): Don't free h->name.
3485 (_cpp_lookup): If there is no entry for this string, create
3486 one, of type T_VOID.
3487 (_cpp_lookup_slot): Delete.
3488 * cpphash.h: Update prototypes.
3490 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3492 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3493 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3494 node here, just fill in the value field properly. "Delete"
3495 entries by setting the value field to T_VOID. Check for
3496 hp->type == T_VOID, not hp == NULL.
3498 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3499 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3502 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3504 * config/mn10300/mn10300.c (print_operand_address): Do not add
3507 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3508 adjusted by less than 256 bytes, use ret regardless of having any
3509 callee-saved register to restore.
3511 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3513 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3515 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3517 * config/i386/djgpp.h (INT_ASM_OP): Define.
3518 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3519 (ASM_WEAKEN_LABEL): Define.
3520 (MASK_BNU210): Define.
3521 (SUBTARGET_SWITCHES): Define.
3522 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3523 (MAKE_DECL_ONE_ONLY): Define.
3524 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3526 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3528 * i386/cygwin.h (INT_ASM_OP): Define.
3530 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3532 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3533 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3535 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3537 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3538 __tmp_reg__ and __zero_reg__ initialization.
3540 2000-04-30 Richard Henderson <rth@cygnus.com>
3542 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3544 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3545 referenced bewteen the condition and the jump. Don't delete
3546 anything but the jump.
3548 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3550 * bb-reorder.c (scope_def): New struct.
3551 (scope_forest_info): New struct.
3552 (struct reorder_block_def): New member "scope".
3553 (REORDER_BLOCK_SCOPE): New macro.
3554 (relate_bbs_with_scopes): New function and prototype.
3555 (make_new_scope): Likewise.
3556 (build_scope_forest): Likewise.
3557 (remove_scope_notes): Likewise.
3558 (insert_intra_1): Likewise.
3559 (insert_intra_bb_scope_notes): Likewise.
3560 (insert_inter_bb_scope_notes): Likewise.
3561 (rebuild_scope_notes): Likewise.
3562 (free_scope_forest_1): Likewise.
3563 (free_scope_forest): Likewise.
3564 (dump_scope_forest): Likewise.
3565 (dump_scope_forest_1): Likewise.
3566 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3567 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3569 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3570 and remove_scope_notes before reordering is done. Added calls to
3571 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3572 after reordering is done.
3574 2000-40-30 Bruce Korb <bkorb@gnu.org>
3576 * fixinc/inclhack.def: Added definitions needed by OSR5,
3577 removed two stale entries (defined away with OLD_CPP).
3578 * fixinc/inclhack.sh: regen
3579 * fixinc/fixincl.x: regen
3581 2000-04-30 Richard Henderson <rth@cygnus.com>
3583 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3584 from the last insn in the sequence.
3586 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3588 * cpplex.c (cpp_idcmp): New function.
3589 * cpplib.h: Prototype it.
3590 * scan_decls.c (scan_decls): Use it to inspect token names.
3591 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3592 the file being run through the preprocessor.
3593 (check_macro_names): Provide length of token to cpp_defined.
3595 * Makefile.in: Remove stale warning message.
3597 * cppfiles.c (redundant_include_p): Provide length of token to
3599 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3600 values are unsigned int.
3601 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3602 (_cpp_lookup_slot): Do not calculate the hash, either.
3603 * cpphash.h: Update prototypes.
3604 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3605 Hashes are unsigned int. Calculate hash here, pass by value
3606 to _cpp_lookup_slot.
3608 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3610 * simplify-rtx.c (check_value_useless): Delete function.
3611 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3613 (cselib_invalidate_regno): Likewise.
3614 (cselib_invalidate_mem_1): Likewise.
3615 (references_value_p): Recognize useless values by the fact that they
3617 (discard_useless_values): Likewise.
3618 (cselib_record_set): This may turn a useless value
3621 2000-04-30 Richard Henderson <rth@cygnus.com>
3623 * config/d30v: New port.
3625 * configure.in (d30v-*): Set fp format.
3626 * configure: Rebuild.
3628 2000-04-30 Richard Henderson <rth@cygnus.com>
3630 * ifcvt.c: New file.
3631 * Makefile.in (OBJS): Add it.
3632 (ifcvt.o): New target.
3633 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3634 and conditional arithmetic.
3635 (find_insert_position): Remove.
3636 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3637 * toplev.c (DFI_ce, DFI_ce2): New.
3638 (dump_file): Add ce and ce2 dumps.
3639 (rest_of_compilation): Run if_convert a couple o times. Set
3640 cse_not_expected after cse2. Don't set no_new_pseudos until
3641 after sched1 or recompute_reg_usage.
3643 2000-04-30 Richard Henderson <rth@cygnus.com>
3645 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3646 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3648 2000-04-30 Richard Henderson <rth@cygnus.com>
3650 * flow.c (struct reg_cond_life_info): New.
3651 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3652 (init_propagate_block_info): Initialize them.
3653 (free_propagate_block_info): Destruct them.
3654 (mark_set_1): Consider conditional life before killing a register.
3655 (mark_regno_cond_dead): New.
3656 (free_reg_cond_life_info): New.
3657 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3658 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3659 (mark_used_reg): Record conditional life.
3661 * haifa-sched.c (schedule_insns): Disable death counting
3662 sanity check for HAVE_conditional_execution.
3664 2000-04-30 Richard Henderson <rth@cygnus.com>
3666 * Makefile.in (TIMEVAR_H): New.
3667 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3668 (timevar.h): Remove rule.
3670 2000-04-29 Richard Henderson <rth@cygnus.com>
3672 * config/alpha/crtend.asm: Use C comments instead of #.
3673 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3675 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3677 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3679 * cpphash.h (enum node_type: Take out T_MCONST.
3680 (union hashval): Move into struct hashnode.
3681 (struct hashnode): Pack tighter. Remove file, line, col
3683 * cpphash.c: Constify most of the macro-definition structures.
3684 (struct definition): Replace by struct object_defn
3685 and struct funct_defn. Put file, line, column information
3686 here. All users updated to match.
3687 (_cpp_create_definition, _cpp_macroexpand): Remove special
3688 case for #define WORD OTHERWORD.
3689 * cpplib.c (do_undef): Remove T_MCONST case.
3691 * cpphash.h: Move struct reflist, struct definition, and the
3692 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3693 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3694 * cpphash.c (_cpp_free_definition): Free data pointed to by
3695 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3696 (_cpp_create_definition, del_HASHNODE): Just call
3697 _cpp_free_definition to clear out a hashnode.
3698 * cpplib.c (do_pragma_poison): Likewise.
3700 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3702 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3703 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3704 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3705 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3706 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3707 REGNO_AM33_P): Redefine in terms of the new macros.
3708 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3709 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3710 STRUCT_VALUE): Likewise.
3711 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3712 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3714 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3716 * regmove.c (struct record_stack_memrefs_data): New.
3717 (record_stack_memrefs): New function.
3718 (combine_stack_adjustments_for_block): Use it.
3720 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3722 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3723 use special_function_p to detect alloca.
3725 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3727 * gcc.texi: Fixes for makeinfo 4.0 --html.
3729 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3731 * pcp.h: Delete file.
3733 2000-04-28 Kazu Hirata <kazu@hxi.com>
3735 * h8300.c (function_epilogue): Clean up flags when the last insn
3736 in a function is a barrier.
3738 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3740 * configure.in (sparc-hal-solaris2*): protect [] glob from
3742 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3743 rather than hard-coded constants in target_cpu_default2.
3744 * configure: Regenerate.
3746 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3748 * tree.c (get_callee_fndecl): Extract the initial value from
3751 2000-04-28 Richard Henderson <rth@cygnus.com>
3753 * varasm.c (record_constant_1): Record the CODE_LABEL when
3754 taking the address of a LABEL_REF.
3756 2000-04-28 Richard Henderson <rth@cygnus.com>
3757 Jan Hubicka <jh@suse.cz>
3759 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3760 adjustment; don't do the stack adjust.
3761 (expand_call): Call compute_argument_block_size right before
3762 allocating the block; update comment; don't do alignment sanity
3763 checking for sibling call; use args_size instead of
3764 unadjusted_args_size before args_size is adjusted. Use
3765 combine_pending_stack_adjustment_and_call to compute stack adjust
3766 for must_preallocate case.
3768 * expr.c (push_block): Remove shadow `temp' in inner scope.
3770 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3772 * toplev.c (rest_of_compilation): Call
3773 note_deferral_of_defined_inline_function even if the function
3776 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3778 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3780 2000-04-28 Richard Henderson <rth@cygnus.com>
3782 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3784 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3786 * timevar.c (init_timevar): DeANSIfy function definition.
3788 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3790 * Makefile.in (timevar.o): Depend on flags.h.
3791 * timevar.c (unused_stack_instances): New variable.
3792 (timevar_push): Take a timevar_stack_def from
3793 unused_stack_instances if available.
3794 (timevar_pop): Push the popped timevar_stack_def onto
3795 unused_stack_instances.
3796 (TIMEVAR_ENABLE): New macro.
3797 (timevar_def): Make standalone a 1-bit field. Add field used.
3798 (get_time): Rename parameter to now. Return after clearing it if
3800 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3801 (timevar_pop): Likewise.
3802 (timevar_stop): Likewise.
3803 (timevar_push): Likewise. Mark the timing variable as used.
3804 (timevar_start): Likewise.
3805 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3806 timevars that were never used.
3808 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3810 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3811 always TREE_READONLY.
3813 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3815 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3816 for call instruction with mode QImode.
3818 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3820 * Makefile.in (OBJS): Add timevar.o.
3821 (toplev.o): Depend on timevar.h.
3822 (ggc-simple.o): Likewise.
3823 (ggc-page.o): Likewise.
3824 (timevar.o): New rule.
3825 (timevar.h): New rule.
3827 * timevar.h: New file.
3828 * timevar.c: Likewise.
3829 * timevar.def: Likewise.
3831 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3832 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3834 (TIMEVAR): Remove macro.
3835 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3836 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3837 flow_time, combine_time, regmove_time, sched_time,
3838 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3839 sched2_time, dbr_sched_time, reorder_blocks_time,
3840 rename_registers_time, shorten_branch_time, stack_reg_time,
3841 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3843 (compile_file): Don't initialize time variables. Call
3844 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3845 of many calls to print_time.
3846 (rest_of_compilation): Add timing for reload_cse_regs.
3847 (get_run_time): Removed to timevar.c.
3848 (print_time): Likewise.
3849 (get_run_time): Implement using TV_TOTAL time variable.
3850 (print_time): Get total run time from get_run_time.
3851 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3852 computing elapsed time explicitly.
3853 * ggc-simple.c (ggc_collect): Likewise.
3854 (gc_time): Remove declaration.
3856 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3858 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3859 (expand_call): Use it.
3861 2000-04-27 Jan Hubicka <jh@suse.cz>
3863 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3866 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3868 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3871 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3873 * function.c (epilogue_done): Pass whole insn to record_insns.
3875 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3877 * cse.c (CSE_ADDRESS_COST): Remove.
3878 (find_best_addr): Add new parameter "MODE", use address_cost instead
3880 (address_cost): New.
3881 (fold_rtx): Update call of find_best_addr.
3882 * rtl.h (address_cost): Declare.
3883 * loop.c (general_induction_var): Add new parameter "MODE", use
3884 address_cost instead of ADDRESS_COST
3885 (init_loop): Use address_cost instead of ADDRESS_COST.
3886 (check_insn_for_givs): Update call of general_induction_var.
3887 (find_mem_givs): Likewise.
3888 (consec_sets_giv): Likewise.
3889 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3890 * i386.c (ix86_address_cost): New.
3891 * i386-protos.h (ix86_address_cost): Declare.
3893 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
3895 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
3898 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
3900 * expr.c (store_expr): Use clear_storage instead of direct memset
3903 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
3905 * config/mn10300/mn10300.c (mn10300_address_cost): Test
3906 ASHIFT, AND and LABEL_REF.
3908 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
3910 * invoke.texi (-foptimize-sibling-calls): Fix.
3912 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
3914 * loop.c (load_mems) Don't use hard registers for the hoisting.
3916 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
3917 calculation; rename const_equiv array in the preconditioning code
3918 from loop_unroll to loop_unroll_precondition
3920 2000-04-27 Richard Henderson <rth@cygnus.com>
3922 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
3924 (propagate_one_insn): Clear it. Don't update reg_live here.
3925 (init_propagate_block_info): Update for pbi member changes.
3926 (free_propagate_block_info): Likewise.
3927 (mark_set_1): Know that zero_extract, sign_extract, and
3928 strict_low_part don't kill their argument. Alter hard subregs.
3929 Update new_set for non-CLOBBER sets. Update reg_live.
3930 (find_auto_inc): Update reg_live, not new_dead.
3931 (mark_used_reg): Update reg_live, not new_live. Examine new_set
3932 to determine if the reg in question was set this insn. Only update
3933 reg info with PROP_REG_INFO.
3935 2000-04-26 Richard Henderson <rth@cygnus.com>
3937 * flow.c (allocate_reg_life_data): Set max_regno here ...
3938 (life_analysis): ... not here.
3940 * flow.c (calculate_global_regs_live): Force stack pointer
3943 2000-04-26 Richard Henderson <rth@cygnus.com>
3945 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
3946 commit change group changes.
3947 (invert_exp_1): Similarly.
3948 (redirect_exp, invert_exp): Use them.
3949 (redirect_jump_1): New.
3950 (invert_jump_1): New.
3951 (jump_optimize_1): Remove code subsumed by condexec.c.
3952 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
3954 2000-04-26 Richard Henderson <rth@cygnus.com>
3956 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
3958 * genconfig.c (main): Set all HAVE_foo to 1.
3960 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
3962 2000-04-26 Alex Samuel <samuel@codesourcery.com>
3964 * invoke.texi: Document -fssa flag.
3966 2000-04-26 Richard Henderson <rth@cygnus.com>
3968 * flow.c (count_reg_sets_1): Remove.
3969 (count_reg_sets, count_reg_references): Remove.
3970 (recompute_reg_usage): Implement with update_life_info.
3971 Reallocate life data.
3973 2000-04-26 Richard Henderson <rth@cygnus.com>
3975 * flow.c (update_life_info): Consider blocks null to mean the
3977 (calculate_global_regs_live): Likewise.
3978 (life_analysis): Do that instead of collecting all_blocks.
3980 2000-04-26 Richard Henderson <rth@cygnus.com>
3982 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
3983 a still-valid conditional jump.
3985 2000-04-26 Richard Henderson <rth@cygnus.com>
3987 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
3989 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
3990 * flow.c (calculate_loop_depth): Remove.
3991 * output.h (calculate_loop_depth): Don't declare.
3992 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
3993 inline; run estimate_probability at the same time.
3995 2000-04-26 Neil Booth <NeilB@earthling.net>
3997 * cpplib.h: "~=" is not a single pp-token.
3998 * cpplex.c: Correct commentary.
4000 2000-04-26 Richard Henderson <rth@cygnus.com>
4002 * flow.c (mark_set_1): New arguments code and flags; update all
4003 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4004 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4005 loop_depth when optimizing for size. Do new_dead update after
4006 emitting REG_UNUSED notes. Merge mark_set_reg code.
4007 (mark_set_reg): Remove.
4008 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4009 arrange to not emit REG_UNUSED notes.
4011 2000-04-26 Richard Henderson <rth@cygnus.com>
4013 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4014 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4016 2000-04-26 Richard Henderson <rth@cygnus.com>
4018 * flow.c (propagate_one_insn): Break out from propagate_block.
4019 (init_propagate_block_info): Likewise.
4020 (free_propagate_block_info): Likewise.
4021 (propagate_block): Use them. Export.
4022 * basic-block.h: Declare them all.
4024 2000-04-26 Richard Henderson <rth@cygnus.com>
4026 * basic-block.h (life_analysis): Declare here ...
4027 * output.h: ... not here.
4028 * flow.c (life_analysis): Remove nregs parameter; replace
4029 remove_dead_code with flags. Remove ssa dead code check.
4030 Only init alias analysis if we'll use it.
4031 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4032 * ssa.c (convert_to_ssa): Likewise.
4033 (convert_from_ssa): Likewise.
4034 * toplev.c (rest_of_compilation): Likewise.
4036 2000-04-26 Richard Henderson <rth@cygnus.com>
4038 * flow.c (flow_delete_block): Rename from delete_block. Export.
4039 * basic-block.h (flow_delete_block): Declare.
4041 2000-04-26 David S. Miller <davem@redhat.com>
4043 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4044 taking a PATTERN of it.
4046 2000-04-26 <NeilB@earthling.net>
4048 * cpplex.c (spell_other, spell_char): Remove.
4050 (token_spelling, trigraph_map): Use unsigned chars.
4051 (_cpp_lex_line): Tidy up the switch statement.
4052 * cpplib.h: Implement spell_char with spell_string.
4055 2000-04-26 <RodneyBrown@pmsc.com>
4057 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4058 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4060 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4062 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4063 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4064 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4065 dwarf2out_return_save, dwarf2out_return_reg,
4066 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4067 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4068 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4070 * dwarf2out.h (dwarf2out_init): Likewise.
4072 * dwarfout.c (filename_entry, primary_filename, last_filename,
4073 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4075 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4076 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4077 dwarf2out_return_reg): Likewise.
4079 2000-04-26 Andreas Jaeger <aj@suse.de>
4081 * extend.texi (Function Attributes): Fix description of pure
4084 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4086 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4087 before calling rest_of_compilation.
4089 2000-04-26 Andreas Jaeger <aj@suse.de>
4091 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4094 2000-04-25 Richard Henderson <rth@cygnus.com>
4096 * cse.c (cse_insn): Emit barrier after unconditional jump.
4098 * calls.c (expand_call): Disable tail call generation once
4099 rtx_equal_function_value_matters is false.
4101 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4104 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4106 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4108 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4110 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4111 is the primary DIE for a member function.
4112 (gen_decl_die): Call set_decl_origin_self here.
4113 * dwarfout.c (output_decl): And here.
4114 * integrate.c (output_inline_function): Not here.
4115 Don't clear DECL_INLINE until after calling rest_of_compilation.
4116 (set_decl_origin_self): No longer static.
4117 * tree.h: Add prototype.
4118 * toplev.c (note_deferral_of_defined_inline_function): Only write
4119 out abstract instance for actual inlines.
4121 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4123 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4124 EXTENDED_REGS only if TARGET_AM33.
4125 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4126 SP_REGS to register allocation and reloading unless absolutely
4128 (movsi3): Remove special-case of adding non-constants to SP.
4130 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4132 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4133 INCLUDES to search and does not provide any of its own. Also it
4134 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4135 parameters. Also it does not call AC_DEFINE.
4136 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4137 AC_DEFINE and provides for automatic entries for autoheader.
4138 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4140 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4141 so we can pass -I flags and include gansidecl.h/system.h in this
4144 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4146 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4148 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4149 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4150 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4152 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4153 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4154 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4155 for these macros. Clean up spacing and linewraps.
4157 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4159 * calls.c (expand_call): Use get_callee_fndecl.
4161 * print-tree.c (print_node): Print the chain of an _EXPR.
4163 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4164 Jim Wilson <wilson@cygnus.com>
4165 Andrew Haley <aph@cygnus.com>
4167 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4168 and gp save/restore problems.
4169 * config/ia64/crtend.asm: Add IA-64 unwind support.
4170 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4171 in fr_pad_size calculation.
4172 (save_restore_insns): Move PR save area. Correct uses of
4173 RTX_FRAME_RELATED_P.
4174 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4175 (ia64_expand_epilogue): Add eh_epilogue support.
4176 (ia64_function_prologue): Emit .prologue directive.
4177 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4178 (ia64_override_options): Set init_machine_status and
4179 mark_machine_status.
4180 (rtx_needs_barrier): Handle bsp reads and writes.
4181 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4182 New static variables.
4183 (process_set, process_for_unwind_directive): New functions.
4184 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4185 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4186 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4188 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4189 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4190 (struct machine_function): Define.
4191 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4193 2000-04-25 Bruce Korb <bkorb@gnu.org>
4195 * fixinc/Makefile.in: make the removal of old programs more
4197 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4198 install-bin and install-sh
4200 2000-04-25 Nick Clifton <nickc@cygnus.com>
4202 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4203 defined, define to return zero.
4204 (function_cannot_inline_p): If a function has any target
4205 specific attributes, then use the macro
4206 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4207 whether it can be inlined. If it cannot, issue a suitable
4210 * tm.texi: Add a new node 'Inlining' to document the new macro
4211 FUNCTION_ATTRIBUTE_INLINABLE_P.
4213 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4215 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4218 2000-04-25 Neil Booth <NeilB@earthling.net>
4220 Restore previous patch, plus the following fixes:
4222 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4223 flags, not CPP_OPEN_PAREN.
4224 * cpplex.c (expand_token_space, init_token_list,
4225 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4226 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4228 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4230 * config/i386/freebsd.h (INT_ASM_OP): Define.
4232 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4234 * loop.c (strength_reduce): Fix typo in the last checkin.
4236 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4238 * stor-layout.c (finalize_record_size): Simplify to use existing
4240 (compute_record_mode): No longer static.
4241 * tree.h (compute_record_mode): New declaration.
4243 2000-04-25 Neil Booth <NeilB@earthling.net>
4245 * Revert my patch below until cause of build failures
4248 2000-04-25 Richard Henderson <rth@cygnus.com>
4250 * combine.c (combine_instructions): Add missing argument
4253 * toplev.c (rest_of_compilation): Delay sibcall optimization
4254 until after emit_eh_context.
4256 2000-04-24 Nick Clifton <nickc@redhat.com>
4258 * combine.c (combine_instructions): Do not try to combine a
4259 sequence of insns when the second insn has been replaced by a
4262 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4264 * gcc.c (load_specs): New static function.
4265 (read_specs): Use it.
4267 * gcc.c (lookup_compiler): Make multiple passes for case
4268 insensitive filesystems.
4270 2000-04-24 Neil Booth <NeilB@earthling.net>
4272 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4273 * cpphash.h (_cpp_check_directive): new.
4274 * cpplex.c (handle_newline, cpp_free_token_list,
4275 init_trigraph_map, trigraph_ok, trigraph_replace,
4276 backslash_start, skip_block_comment, skip_line_comment,
4277 skip_whitespace, parse_name, parse_number, parse_string,
4278 copy_comment, _cpp_lex_line, spell_char, spell_string,
4279 spell_comment, spell_name, spell_other, _cpp_lex_file,
4280 _cpp_output_list): new.
4281 (expand_name_space): take length argument.
4282 (init_token_list): add comment list initialisation.
4283 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4284 instead of HSPACE_BEFORE.
4286 * cpplib.c (_cpp_check_directive): new
4287 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4288 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4289 (HSPACE_BEFORE): delete.
4290 (TTYPE_TABLE): rearrange.
4291 (struct cpp_toklist): update.
4293 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4295 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4296 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4297 argument form of AC_DEFINE.
4299 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4300 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4301 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4302 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4303 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4305 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4307 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4309 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4310 deduced.h): Use -isystem, not -I, for including system headers.
4312 2000-04-24 Nick Clifton <nickc@cygnus.com>
4314 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4315 the source register is the frame pointer or arg pointer.
4316 (addsi3_small_int): Disallow if source register is the frame
4317 pointer or arg pointer.
4319 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4321 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4322 call to AC_MSG_RESULT.
4324 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4326 * invoke.texi: Correct grammatical errors, document
4327 -fno-gnu-keywords as identical to -fno-asm for C++.
4329 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4331 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4332 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4333 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4334 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4335 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4337 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4338 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4339 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4340 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4343 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4345 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4346 (pop_alignment): Likewise.
4347 (handle_pragma_token): Likewise.
4349 2000-04-24 Robert Lipe <robertlipe@usa.net>
4351 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4353 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4355 * combine.c (try_combine): Update reg_nonzero_bits of
4356 newi2pat before newpat.
4358 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4360 * loop.c (strength_reduce): Simplify test to INSN_P.
4361 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4362 expressions instead of CONST_INT.
4363 (express_from_1): Likewise.
4365 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4367 * regs.h (reg_n_max): Don't declare.
4368 * flow.c (reg_n_max): Don't define.
4369 * regclass.c (renumber): Don't initialize to zero.
4370 (regno_allocated): Likewise.
4371 (reg_n_max): Define.
4372 (allocate_reg_info): Don't initialize unnecessarily.
4374 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4376 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4377 and blockage_p in the newly allocated attribute.
4379 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4381 * config/mn10300/mn10300.md (addsi): `inc4' on address
4382 registers does not modify cc, but `inc' on an extended
4385 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4387 * reload.c (find_equiv_reg): Checks all valueno regs
4388 as a reload_reg_p regs.
4390 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4392 * cpphash.c (collect_objlike_expansion): Add sanity check.
4393 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4394 the buffer is the empty string, return. Mark __DATE__ and
4395 __TIME__ as XCONST nodes, not MCONST.
4396 (_cpp_macroexpand): Avoid pushing an empty buffer.
4397 (funlike_macroexpand): Don't pop token_buffer here.
4399 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4401 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4402 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4403 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4404 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4405 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4406 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4407 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4409 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4411 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4414 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4416 * cpphash.h (struct definition): Move file, line, col members...
4417 (struct hashnode): ... here. Also add 'disabled' flag.
4418 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4419 T_IDENTITY. Remove T_DISABLED.
4422 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4423 (collect_expansion): Split into collect_objlike_expansion and
4424 collect_funlike_expansion.
4425 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4426 funlike_macroexpand.
4427 (_cpp_compare_defs): Rename compare_defs, make static.
4428 (_cpp_make_hashnode): Initialize hp->disabled.
4429 (macro_cleanup): Adjust for new token types. Clear
4431 (_cpp_create_definition): Move code here to determine what
4432 sort of macro it is, and code to check for redefinitions, from
4433 do_define. Implement a few simple cases without creating a
4435 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4436 Handle the simple cases.
4437 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4440 * cppinit.c (builtin_array): Change MCONST to XCONST
4442 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4443 fix check for disabled and function-like macros.
4444 * cpplib.c (do_define): Move most logic to
4445 _cpp_create_definition.
4446 (do_undef): Handle new special token types.
4448 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4450 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4451 of CONSTANT_P for mult_val; always use validate_change to update insn.
4453 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4455 * cpphash.c (trad_stringify, add_pat): New functions.
4456 (collect_expansion): Restore support for -traditional syntax.
4457 Use trad_stringify and add_pat.
4458 (_cpp_macroexpand): Restore support for -traditional semantics.
4459 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4460 get a COMMENT token.
4461 (_cpp_lex_token): Provide COMMENT tokens to caller if
4462 traditional and parsing_define_directive.
4463 (skip_comment): Warn about // comments if -Wtraditional.
4464 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4466 (do_undef): Don't warn about undefining EMPTY nodes.
4468 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4470 * loop.c (strength_reduce): Fix biv removal code.
4472 2000-04-22 Richard Henderson <rth@cygnus.com>
4474 * predict.c (estimate_probability): Examine both sides of
4475 a branch for no exits. Use 90% not 50% for predict taken.
4476 Reorg for one copy of note generation code.
4478 2000-04-22 Richard Henderson <rth@cygnus.com>
4480 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4482 2000-04-22 Richard Henderson <rth@cygnus.com>
4484 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4485 (output_clear): Likewise.
4486 (output_printf): Use va_copy.
4487 (vline_wrapper_message_with_location): Likewise.
4488 (v_message_with_decl): Likewise.
4489 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4490 * system.h (va_copy): Provide default implementation.
4492 2000-04-22 Richard Henderson <rth@cygnus.com>
4494 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4495 the collected condition is not a constant.
4497 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4499 * diagnostic.h: New file.
4501 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4503 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4504 various function prototypes.
4505 (diagnostic.h): #include.
4506 (struct output_buffer): Move into diagnostic.h.
4507 (get_output_prefix): Rename to output_get_prefix. Export.
4508 (init_output_buffer): Export. Break out. Ajust intialization.
4509 (output_space_left, output_append): Export.
4510 (output_newline): Rename to output_add_newline. Export.
4511 (output_clear): Nullify additional output_buffer fields.
4512 (output_puts): Rename to output_add_string. Export.
4513 (dump_output): Rename to output_flush_on. Export.
4514 (build_location_prefix): Constify return-type.
4515 (emit_output_prefix): Rename to output_emit_prefix. Export.
4516 (set_real_maximum_length): New function.
4517 (output_set_maximum_length): Ditto
4518 (output_clear): Ditto.
4519 (output_add_character): Ditto.
4520 (output_add_integer): Ditto.
4521 (output_add_space): Ditto.
4522 (output_format): Ditto.
4523 (output_printf): Adjust buffer initialization.
4524 (vline_wrapper_message_with_location): Ditto.
4525 (v_message_with_decl): Ditto. Adjust call to output_puts
4526 and get_output_prefix.
4527 (default_print_error_function): Adjust buffer intialization.
4529 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4531 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4534 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4536 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4539 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4541 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4542 accurate data about SP moves.
4544 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4546 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4547 aliases to AM33 registers.
4549 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4551 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4552 to all EXTENDED bitmaps.
4554 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4556 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4557 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4558 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4560 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4562 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4563 the operand is not constant.
4565 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4567 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4568 as a call-clobbered regs.
4570 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4572 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4574 * rtl.def: Update comment.
4575 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4576 * integrate.c (expand_inline_function): Likewise.
4577 * profile.c (branch_prob): Likewise.
4578 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4579 * print-rtl.c (print_rtx): Likewise.
4580 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4581 (reemit_notes): Likewise; also use enum insn_note.
4583 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4584 (place_field): Properly compute know and actual alignment.
4586 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4589 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4592 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4594 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4595 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4596 (collect_expansion): Rewrite to scan over a token list.
4597 Remove -traditional support.
4598 (collect_formal_parameters): Rename to collect_params; rewrite
4599 to scan over a token list.
4600 (_cpp_create_definition): Adjust to scan a token list.
4601 (_cpp_macroexpand): Remove -traditional support.
4602 (_cpp_compare_defs): Whitespace is now canonicalized.
4603 (comp_def_part): Delete function.
4605 * cpphash.h: Update prototypes.
4606 * cpplex.c (init_token_list): Don't set lineno if there is no
4608 (pedantic_whitespace): New function.
4609 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4610 consume a newline. Use pedantic_whitespace.
4611 (_cpp_lex_token): Remove support for -traditional macros.
4612 (_cpp_get_define_token): Delete.
4613 (_cpp_get_directive_token): Do the real work here. Use
4614 pedantic_whitespace.
4615 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4617 * cpplib.c (get_macro_name): Delete.
4618 (do_define): Read the entire line into pfile->directbuf, then
4619 feed the token list to _cpp_create_definition.
4620 * cpplib.h (HSPACE_BEFORE): new define.
4621 (struct cpp_reader): Add a toklist member, "directbuf".
4623 * predict.c (estimate_probability): New heuristic: if a jump
4624 branches around a block with no successors, predict it taken.
4625 Disentangle control flow.
4627 2000-04-20 Richard Henderson <rth@cygnus.com>
4629 * loop.c (emit_iv_add_mult): Revert last change.
4631 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4633 * cpplib.h (enum cpp_ttype): Add token types for all
4634 punctuators. Distinguish pp-numbers from valid C numbers.
4635 Give some tokens better names. Initialize from macro.
4636 (struct cpp_name, cpp_token, cpp_toklist): New data
4639 * cpplex.c (bump_column, expand_name_space,
4640 expand_token_space, init_token_list, cpp_output_list,
4641 _cpp_scan_line): New functions.
4642 (output_line_command): Add third argument, new line number.
4643 * cpphash.h: Update prototypes.
4644 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4647 2000-04-20 Richard Henderson <rth@cygnus.com>
4649 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4651 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4653 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4656 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4658 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4659 REG_EQUAL note explaining the calculated value.
4661 * calls.c (expand_call): Avoid unnecesary precalculation
4662 and outgoing parameters space guarding for sibling calls.
4663 (store_one_arg): Likewise.
4665 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4667 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4668 (rest_of_compilation): Write sibling dump file and account
4669 for time as jump time.
4670 * invoke.texi: Update documentation on dump flags.
4672 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4674 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4676 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4678 * cpphash.c (special_symbol): Represent an empty macro with
4679 "\r \r " not just "\r ".
4680 (_cpp_macroexpand): Correct condition for the foo ( ) special
4682 (unsafe_chars): Handle EOF as second argument.
4683 (push_macro_expansion): Simplify test for removing escape at
4684 end. Do not trim both escapes if there is no text in between.
4686 2000-04-19 Jim Blandy <jimb@redhat.com>
4688 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4689 of PTR_SIZE, when appropriate.
4691 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4693 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4694 (USE_ENUM_BITFIELDS): Fix typo.
4696 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4698 * stor-layout.c (place_field): Set rli->offset_align properly.
4700 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4702 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4703 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4704 PARM_BOUNDARY): Remove unnecessary casts.
4706 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4708 * calls.c (precompute_arguments): Remove must_preallocate and
4710 (expand_call): Update call of precompute_arguments.
4712 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4713 check_insn_for_givs): Break out from ...
4714 (strength_reduce) ... here; use for_every_insn_in_loop to call
4715 check_insn_for_givs.
4716 * loop.h (for_every_insn_in_loop): Declare.
4717 (loop_insn_callback): New type.
4719 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4721 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4724 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4726 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4729 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4731 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4733 * configure.in: Delete --disable-cpplib option and all
4734 references to cpp_main.
4735 * configure: Regenerate.
4736 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4737 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4738 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4739 cpp$(exeext). Add --no-headers to makeinfo command line when
4740 generating INSTALL. Install and uninstall cpp.1 manpage, not
4742 * install.texi: Delete all references to cexp.y/cexp.c.
4743 Delete ancient instructions for compiling GCC on 3b1.
4744 * INSTALL: Regenerate.
4746 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4747 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4748 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4750 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4751 which is no longer tested anywhere.
4753 * cppinit.c (handle_option): Don't run error message through
4756 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4758 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4759 * cpperror.c (hashtab.h): Now include.
4760 * cppexp.c (hashtab.h): Likewise.
4761 * cpplex.c (hashtab.h): Likewise.
4762 * cppfiles.c (hashtab.h): Likewise.
4763 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4764 to htab_find_slot_with_hash.
4765 * cpphash.c (hashtab.h): Now include.
4766 (_cpp_lookup_slot): INSERT is now enum insert_option.
4767 * cpphash.h (_cpp_lookup_slot): Likewise.
4768 * cppinit.c (hashtab.h): Include earlier.
4769 (initialize_builtins): Pass enum to htab_find_slot.
4770 * cpplib.c (hashtab.h): Now include.
4771 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4772 (do_pragma_poison, do_assert): Likewise.
4773 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4774 htab_find_slot_with_hash.
4775 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4776 * tree.c (type_hash_add): Likewise.
4777 (build1): Minor cleanup.
4779 * ggc-common.c: Add missing blanks.
4780 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4781 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4783 * stmt.c (mark_case_node): New function.
4784 (mark_case_nesting): Call it.
4786 * expmed.c (emit_store_flag): If comparing two-word integer
4787 with zero, can optimize NE, EQ, GE, and LT.
4789 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4790 * conflict.c: Minor cleanups.
4791 * optabs.c: Add blank line
4792 * simplify-rtx.c: Minor cleanups.
4794 2000-04-18 Stan Cox <scox@cygnus.com>
4796 * gengenrtl.c (genlegend): Fix misspelling.
4798 2000-04-18 Robert Lipe <robertlipe@usa.net>
4800 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4801 bitfields of the host compiler are not signed quantities.
4802 * config.in: Regenerate.
4803 * configure: Regenerate.
4804 * system.h (USE_ENUM_BITFIELDS): Added.
4805 (ENUM_BITFIELDS): Added.
4806 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4807 (SHORT_ENUM_BUG): Deleted.
4808 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4810 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4811 (CODE_FIELD_BUG): Likewise.
4812 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4814 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4816 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4818 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4821 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4823 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4824 * cpplib.c (do_include, do_import, do_include_next,
4825 read_line_number, detect_if_not_defined): Likewise.
4826 * cpphash.c (collect_expansion): Likewise.
4827 (special_symbol, _cpp_macroexpand): Check return from
4829 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4830 macros. Delete all uses.
4832 * gcc.dg/cpp-mi.c: Add two more test cases.
4833 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4835 2000-04-17 Richard Henderson <rth@cygnus.com>
4837 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4838 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4840 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4842 * function.c (expand_function_start): Use hard_function_value to
4843 compute the RTL to use for DECL_RESULT.
4845 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4847 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4848 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4849 x86_memory_mismatch_stall): New global variables.
4850 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4851 alloved; fix load penalties for Athlon.
4852 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4853 x86_memory_mismatch_stall): Declare.
4854 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4855 TARGET_MEMORY_MISMATCH_STALL): New.
4856 * i386.md (athlon scheduling parameters): Fix latencies according to
4857 Athlon Optimization Manual.
4858 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4860 (fsqrt instruction patterns): Set athlon_decode to direct.
4861 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4862 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4863 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4864 and TARGET_PARTIAL_REGISTER_STALL machines.
4865 (pushdf_nointeger): New pattern.
4866 (pushdf_integer): Rename from pushdf.
4867 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4868 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4870 2000-04-17 Richard Henderson <rth@cygnus.com>
4872 * loop.c (canonicalize_condition): Add WANT_REG argument.
4873 Stop the search if we match it.
4874 * expr.h (canonicalize_condition): Update decl.
4875 * predict.c (expected_value_to_br_prob): Use it. Track last
4876 expected value note.
4877 (find_expected_value): Remove.
4879 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4881 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4883 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4884 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4886 * configure.in: Call AC_FUNC_MMAP_FILE.
4887 * configure: Regenerate.
4888 * config.in: Regenerate.
4890 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4891 * fixinc/fixincl.c: Likewise.
4893 2000-04-17 Richard Henderson <rth@cygnus.com>
4895 * builtins.c (expand_builtin_expect): New.
4896 (expand_builtin): Call it.
4897 * builtins.def (BUILT_IN_EXPECT): New.
4898 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
4899 * extend.texi: Document it.
4901 * predict.c (expected_value_to_br_prob): New.
4902 (find_expected_value): New.
4903 * basic-block.h (expected_value_to_br_prob): Declare.
4904 * toplev.c (rest_of_compilation): Invoke it.
4906 * rtl.h (NOTE_EXPECTED_VALUE): New.
4907 (NOTE_INSN_EXPECTED_VALUE): New.
4908 * rtl.c (note_insn_name): Update.
4909 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
4910 cases; handle NOTE_INSN_EXPECTED_VALUE.
4912 2000-04-17 Jakub Jelinek <jakub@redhat.com>
4914 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
4915 leaf sibcall delay slot if flag_pic.
4916 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
4918 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4920 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
4922 * fixproto: If fix-header fails, exit with an error.
4924 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
4926 * cse.c (struct check_depdendence_data): New.
4927 (check_dependence): New function.
4928 (invalidate): Use check_depdenence.
4930 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4932 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
4933 UNITS_PER_WORD is unsigned.
4935 * tree.h (struct tree_common): Remove misleading comment.
4937 2000-04-16 Dave Pitts <dpitts@cozx.com>
4939 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
4940 message in quotes. Otherwise, IBM's make program treats the '#' as the
4941 start of a comment and ignores the remainder of the line.
4943 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
4945 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
4946 * cexp.y (initialize_random_junk): Likewise.
4947 * cppfiles.c (find_include_file): Cast alloca return value.
4948 * cppinit.c (initialize_standard_includes): Likewise.
4949 * cpplib.c (cpp_define, cpp_undef): Likewise.
4950 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
4951 * final.c (output_asm_insn): Allow for holes in EBCDIC.
4952 * fold-const.c (CHARMASK): New.
4953 (real_hex_to_f): Use it.
4954 * real.c (CHARMASK): New.
4955 (etoasc, asctoeg): Use it.
4956 (asctoeg): EBCDIC lower case characters preceed upper case.
4958 * i370.c (mvs_add_label): Change spacing for coding conventions.
4959 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
4960 outputing case vectors.
4961 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
4962 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
4963 since vector in in the data CSECT.
4964 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
4965 * i370.md (Many patterns): Put the length in the XL directives.
4966 (movdi): Put back STM and MVC in definition.
4967 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
4968 pattern using the TCA.
4969 * oe.h (CPP_SPEC): Added to allow trigraphs.
4970 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
4971 not support the "long long" type.
4973 2000-04-16 Mark Mitchell <mark@codesourcery.com>
4975 * config/mips/mips-protos.h (mips_legitimate_address_p): New
4977 (mips_reg_mode_ok_for_base_p): Likewise.
4978 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
4979 (REG_OK_FOR_INDEX_P): Define unconditionally.
4980 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
4981 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
4982 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
4983 that GET_MODE_SIZE is unsigned.
4984 (mips_reg_mode_ok_for_base_p): Define.
4985 (mips_legitimate_address_p): Likewise. Adjust now
4986 that GET_MODE_SIZE is unsigned.
4987 (block_move_loop): Make the number of bytes unsigned.
4988 (expand_block_move): Likewise.
4989 (function_arg): Make the loop counter unsigned to match the
4992 2000-04-16 Richard Henderson <rth@cygnus.com>
4994 * rtl.h (enum insn_note): New enumeration. Subsume
4995 NOTE_INSN_DELETED and friends.
4996 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
4997 * rtl.c (note_insn_name): Tweak string order.
4999 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5001 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5004 * cpplex.c (output_line_command): Remove debugging prints.
5005 (cpp_output_tokens): Don't write out a zero-length buffer or
5006 try to see if it has a newline in it.
5007 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5008 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5009 the end of the loop. Use memmove. Don't read past the end of
5010 the buffer. Remove trailing newlines from error messages.
5012 2004-04-16 Neil Booth <NeilB@earthling.net>
5014 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5015 * cpplib.c: Add new syntax flags to directive table, and
5018 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5020 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5023 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5025 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5026 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5028 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5030 * Makefile.in (ggc-page.o): Now includes toplev.h.
5031 * ggc-page.c (toplev.h): Now included.
5032 (gc_time): Remove declaration.
5033 (ggc_collect): TIME now long.
5034 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5036 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5038 * toplev.c: Make *_time variable long to reduce chance of overflow.
5039 (TIMEVAR): Likewise for `otime'.
5040 (print_time): Arg is now long; compute percentage in FP and round.
5041 * toplev.h (print_time): Arg is long.
5043 * tree.c: Minor whitespace changes.
5045 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5046 * configure: Rebuilt.
5047 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5048 (__fixunsxfDI): Renamed from __fixunsxfdi.
5049 (__fixunsdfDI): Renamed from __fixunsdfdi.
5050 (__fixunssfDI): Renamed from __fixunssfdi.
5051 (__floatdisf): Use proper type in REP_BIT macro.
5052 (__fixunsxfSI): Renamed from __fixunsxfsi.
5053 (__fixunsdfSI): Renamed from __fixunsdfsi.
5054 (__fixunssfSI): Renamed from __fixunssfsi.
5055 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5056 Change location of macros and upper-case some names as above.
5057 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5058 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5060 * varasm.c (assemble_variable): Add cast to remove warning.
5061 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5063 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5064 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5065 region number to -1.
5067 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5069 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5070 call unshare_all_rtl.
5072 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5074 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5076 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5077 Use .s1 not .s0 for all FP instructions.
5079 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5081 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5083 (safe_fwrite, output_line_command): New static functions.
5084 (cpp_expand_to_buffer): Now private to cpplib.
5085 (cpp_scan_buffer): Take a printer.
5087 * cpphash.h: Update prototypes.
5088 * cpplib.h: Update prototypes.
5090 (cpp_buffer): Remove last_nominal_fname.
5091 (cpp_reader): Remove lineno.
5093 * cppmain.c: Use a cpp_printer.
5094 * fix-header.c: No need to inhibit line commands. Call
5095 cpp_start_read with no printer.
5097 * cpperror.c (cpp_notice_from_errno): Provide default name.
5098 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5099 (find_include_file, cpp_read_file): Use make_IHASH.
5100 (file_cleanup): Set control_macro and clear
5101 input_stack_listing_current here.
5102 (_cpp_execute_include): Don't output entering-file marker.
5103 * cpphash.c (special_symbol): Look for the line number in the
5104 buffer, not the reader.
5105 (_cpp_macroexpand): No need to disable line commands.
5106 (_cpp_dump_definition): No need to generate line commands.
5107 (dump_hash_helper): Remove excess newline from output.
5108 * cppinit.c (dump_special_to_buffer): No need to generate line
5110 (cpp_printer_init): New.
5111 (cpp_start_read): Take a printer, and start it up if it's not
5112 NULL. No need to generate line commands.
5113 (cpp_finish): Expect no buffers stacked at all. Take a
5114 printer argument, and flush the output buffer if it's not
5116 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5117 Don't put two hashes at the beginning of an assertion.
5118 (cpp_get_token): Don't increment pfile->lineno or emit line
5119 commands here. Return EOF if there's no buffer when we get
5121 * cpplib.c (do_define, skip_if_group):
5122 No need to disable line commands.
5123 (_cpp_output_line_command): Delete function.
5124 (do_line): Don't emit line commands here, but set things up so
5125 they will be emitted if necessary. Use _cpp_fake_ihash to
5126 make unique nominal_fnames if necessary.
5127 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5128 with 0 for column, not -1.
5129 (_cpp_handle_eof): Don't set the control macro here. Don't
5130 clear input_stack_listing_current here. Don't emit line
5133 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5135 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5136 always, use the default SVR4 start address.
5138 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5139 (LINK_SHLIB_SPEC): Define.
5140 (LINK_START_DEFAULT_SPEC): Define.
5141 (LINK_OS_DEFAULT_SPEC): Define.
5143 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5145 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5146 __do_global_ctors to handle constructors.
5147 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5148 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5149 (STARTFILE_MVME_SPEC): Likewise.
5150 (STARTFILE_SIM_SPEC): Likewise.
5151 (ENDFILE_ADS_SPEC): Use crtend.
5152 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5153 (ENDFILE_MVME_SPEC): Likewise.
5154 (ENDFILE_SIM_SPEC): Likewise.
5155 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5156 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5157 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5158 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5159 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5160 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5161 (CRTSTUFF_T_CFLAGS_S): Define.
5162 * config/rs6000/eabi-ctors.c: Delete.
5164 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5167 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5171 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5173 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5174 plus mask size is smaller or equal to the mode size.
5176 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5178 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5181 * expr.c (reload.h): Now included.
5182 (emit_block_move): Set volatile_ok when checking for movstr.
5183 (emit_move_1): Check for replacements in addresses in multi-word case.
5184 * Makefile.in (expr.o): Now includes reload.h.
5186 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5187 Never have a LIBCALL end a basic block.
5188 (find_basic_blocks_1): Likewise.
5189 Reorganize CALL_INSN cases.
5191 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5193 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5195 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5196 completers from mov.ret instruction.
5198 2000-04-14 Richard Henderson <rth@cygnus.com>
5200 * fold-const.c (extract_muldiv): Don't distribute and widen
5201 multiply across plus for non-sizetype unsigned types.
5203 2000-04-14 Richard Henderson <rth@cygnus.com>
5205 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5206 If the original source is dead in the incr insn, it's dead now.
5208 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5210 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5211 see if DECL_BIT_FIELD needs to still be set.
5213 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5215 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5216 print_int_cst_octal with something that's not an INTEGER_CST.
5218 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5219 and not a SUBREG to a FLOAT rtl.
5221 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5223 * emit-rtl.c (try_split): Avoid infinite loop if the split
5224 results in a sequence that contains the original insn.
5226 2000-04-13 Andreas Jaeger <aj@suse.de>
5228 * config/mips/mips.c (expand_block_move): Pass alignment
5229 argument to move_by_pieces in bits, not bytes.
5231 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5232 __pic__ for little endian.
5234 2000-04-13 Andreas Jaeger <aj@suse.de>
5236 * config/i386/i386-protos.h: Add prototype for
5237 uno_comparison_operator.
5239 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5241 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5242 * calls.c (ECF_PURE): New flag.
5243 (emit_call_1): Handle ECF_PURE calls.
5244 (initialize_argument_information): Unset ECF_PURE flag too.
5245 (precompute_arguments): Precompute for ECF_PURE too.
5246 (expand_call): Handle ECF_PURE calls too.
5247 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5248 accept value of 2 as pure function.
5249 (emit_library_call_value, emit_library_call): Rename no_queue argument
5251 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5253 * tree.h (DECL_IS_PURE): New macro.
5254 (struct tree_decl): Add pure_flag.
5255 * c-common.c (enum attrs): Add attribute "pure".
5256 (init_attributes): Initialize attribute "pure"
5257 (decl_attributes): Handle attribute "pure".
5258 * extend.texi (Attribute "pure"): Document.
5259 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5261 (flags_from_decl_or_type): Support attribute "pure".
5263 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5265 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5266 the token except for numbers and identifiers.
5268 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5270 * i386.c (ix86_expand_binary_operator,
5271 ix86_expand_unary_operator): Check no_new_pseudos
5272 instead of reload_in_progress and reload_completed.
5273 (ix86_split_ashldi, ix86_split_ashrdi,
5274 ix86_split_lshrdi): Check no_new_pseudos instead
5275 of reload_completed.
5277 2000-04-12 Jeffrey A Law (law@cygnus.com)
5279 * function.c (purge_addressof): Unshare any shared rtl created by
5280 purge_addressof and its children.
5282 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5284 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5287 2000-04-05 Andreas Jaeger <aj@suse.de>
5289 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5290 not compiling PIC code, add flags for mabi=64.
5291 (SUBTARGET_CPP_SIZE_SPEC): New.
5292 (SUBTARGET_CPP_SPEC): New.
5293 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5294 for MIPS/Linux and lots of code needs these defines.
5296 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5298 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5299 trying the "opposite arithmetic" approach.
5301 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5303 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5304 (struct sh_args): Add new field force_mem.
5305 (INIT_CUMULATIVE_ARGS): Initialize it.
5306 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5308 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5310 * calls.c (expand_call): Do not reverse args in "equal from" field.
5311 (emit_library_call_value_1): Emit_libcall_block for const and pure
5314 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5316 * reload1.c (reload_combine): Don't enable optimization for fixed
5317 registers when encountering a BARRIER.
5319 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5321 * builtins.c (expand_builtin_memcmp): Do expansion even with
5322 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5324 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5325 stack is propertly aligned; add sanity checking for aligned
5327 (expand_library_call_value_1): Add sanity checking for aligned
5330 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5332 * calls.c (emit_library_call_value_1): Change 3rd arg to
5333 locate_and_pad_parm to disregard the setting of partial.
5335 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5337 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5339 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5340 CALL_INSN from the normal case.
5342 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5344 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5345 New global variables.
5346 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5348 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5350 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5351 TARGET_ADD_ESP_8): New macros.
5352 * i386.md: Add peep2s to convert esp adjustments to push and pop
5354 (pushsi_prologue, popsi_epilogue): New patterns.
5356 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5358 * real.c (toe64): Remove stale #endif from the last change.
5360 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5362 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5363 * real.c (toe64): Revert previous change.
5365 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5367 * objc/objc-act.c: Include ggc.h.
5368 (objc_tree_index, objc_global_trees): Convert most of the
5369 static tree variables into a static array with previous names
5371 (objc_ellipsis_node): New variable.
5372 (lang_init): Call objc_act_parse_init and c_parse_init.
5373 Create objc_ellipsis_node.
5374 (build_selector_translation_table): Use objc_ellipsis_node instead
5376 (hack_method_prototype): Likewise.
5377 (get_arg_type_list): Likewise.
5378 (start_method_def): Likewise.
5379 (continue_method_def): Likewise.
5380 (gen_method_decl): Likewise.
5381 (ggc_mark_imp_list): New function.
5382 (ggc_mark_hash_table): New function.
5383 (objc_act_parse_init): New function.
5384 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5385 * c-parse.in (c_parse_init): For objc add roots of objc specific
5386 local tree variables.
5387 * objc/objc-parse.y: Rebuilt.
5388 * objc/objc-parse.c: Rebuilt.
5389 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5391 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5393 * cse.c (delete_trivially_dead_insns): Also delete insns
5394 that copy a register to itself where the destination is
5397 2000-04-11 Richard Henderson <rth@cygnus.com>
5399 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5400 (propagate_block): Initialize them. Use them in parallel instead
5401 of one tmp variable, ie revert much of the 0408 and 0407 functional
5402 changes, but keep the structural changes.
5403 (mark_set_regs): Take new_dead from propagate_block_info instead.
5404 (mark_set_1, mark_set_reg): Likewise.
5405 (mark_used_regs): Likewise with new_live.
5406 (mark_used_reg): Likewise. Revert 0408 change.
5408 2000-04-11 Nick Clifton <nickc@cygnus.com>
5410 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5412 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5414 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5416 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5417 const section to output a CONSTRUCTOR based on the same conditions
5420 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5422 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5423 * pa/pa-protos.h (output_call): Add additional argument indicating
5424 if the call is a sibling/tail call.
5425 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5426 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5427 (function_arg, function_arg_partial_nregs): Likewise
5428 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5429 (emit_move_sequence): Zero extend certain constants as needed
5431 (compute_zdepdi_operands, output_64bit_and): New functions.
5432 (output_64bit_ior, function_arg): Likewise.
5433 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5434 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5435 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5436 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5437 (output_bvb): Likewise.
5438 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5439 (output_call): New argument 'sibcall'. Generate sibcall sequences
5441 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5442 (ouput_arg_descriptor): Do not emit argument descriptors for
5444 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5446 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5447 (FUNCTION_OK_FOR_SIBALL): Define.
5448 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5449 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5450 (CPP_SPEC): Use new spec infrastructure.
5451 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5452 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5453 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5454 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5455 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5456 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5457 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5458 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5459 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5460 (FUNCTION_ARG); Call out to C code.
5461 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5462 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5463 (MIN_UNITS_PER_WORD): Likewise.
5464 * pa/pa.md (cmpdi): New expander.
5465 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5466 (64bit conditional arithmetic): New patterns.
5467 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5468 (movsicc): Not available if modes on all the operands to not match.
5469 (movdicc): New expander and associated patterns.
5470 (64bit branches): New patterns.
5471 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5472 (pre_ldd, post_std): New patterns.
5473 (64bit addil, load low part): New patterns.
5474 (special movsf constant): Not available for TARGET_64BIT.
5475 (movsf, movdf expanders): Force constants into memory.
5476 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5477 (64bit movdf/movdi patterns): New patterns.
5478 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5480 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5481 (adddi3 expander): Allow "arith_operand" for second input.
5482 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5483 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5484 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5485 (muldi3): New expander for TARGET_64BIT.
5486 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5488 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5489 patterns for TARGET_64BIT.
5490 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5491 patterns for TARGET_64BIT.
5492 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5493 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5494 (sibcall_epilogue): New expander.
5495 (casesi): Tweak for TARGET_64BIT.
5496 (call expanders): Set & use the outgoing argument pointer. Use the
5497 64bit call patterns as needed. Add additional arg to output_call.
5498 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5499 (sibcall, sibcall_internal_symref): New expanders.
5500 (sibcall_value, sibcall_value_internal_symref
5501 (interspace_jump): Turn into an expander + matching patterns.
5502 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5503 * pa/pa64-regs.h: Eliminate trigraph sequences.
5504 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5506 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5508 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5509 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5510 cpp_token with cpp_ttype everywhere.
5511 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5512 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5513 CPP_BUF_COL. Line and column numbers are unsigned int, not
5515 * cpplex.c (cpp_buf_line_and_col): Delete.
5516 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5517 'long lineno' to 'unsigned int lineno'.
5518 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5520 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5522 * extend.texi: ISO C99 is not a draft anymore.
5523 * invoke.texi: ISO C++ is not a draft anymore.
5524 * cpp.texi: __cplusplus is required by the ISO standard.
5526 * extend.texi (-fthis-is-variable): Undocument.
5527 * flags.h (warn_template_debugging): Remove declaration.
5528 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5529 -Wenum-clash, -Wtemplate-debugging): Undocument.
5531 2000-04-10 Nick Clifton <nickc@cygnus.com>
5533 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5535 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5537 (ARM_SIGN_EXTEND): Use HOST_UINT.
5538 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5539 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5540 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5541 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5543 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5544 (arm_gen_constant): Use HOST_UINT.
5545 (arm_canonicalize_constant): Use HOST_UINT.
5546 (arm_reload_in_hi): Use HOST_UINT.
5547 (arm_reload_out_hi): Use HOST_UINT.
5548 (output_multi_immediate): Use HOST_UINT.
5549 (int_log2): Use HOST_UINT.
5550 (arm_poke_function_name): Use HOST_UINT.
5551 (arm_output_epilogue): Use arm_volatile_func().
5552 (output_thumb_prologue): Use arm_strip_name_encoding().
5554 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5556 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5557 of sequence point problems.
5559 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5561 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5563 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5565 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5567 * sbitmap.h: Whitespace changes and use upper-case macro args.
5568 (struct simple_bitmap_def): All sizes now unsigned.
5569 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5570 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5571 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5572 (sbitmap_zero): Cast bzero arg to PTR.
5573 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5574 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5575 loop to make structure clearer.
5576 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5577 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5578 (sbitmap_a_and_b_or_c): Likewise.
5579 (sbitmap_intersection_of_succs): Minor cleanups.
5580 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5581 (sbitmap_union_of_preds): Likewise.
5582 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5583 (debug_sbitmap): New function.
5585 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5586 * c-typeck.c (convert_for_assignment): Likewise.
5588 * expmed.c (init_expmed): Don't free objects we make.
5589 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5591 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5592 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5594 * gcse.c (expr_hash_table_size): Now unsigned.
5595 (compute_ae_gen): Local variable `i' now unsigned.
5596 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5597 (compute_transout, hoist_code): Likewise.
5598 (compute_local_properties): Likewise, also hash_table_size.
5599 (alloc_expr_hash_table): N_INSNS now unsigned.
5600 (delete_null_pointer_checks): Mark arg F as unused.
5602 * regrename.c: Minor cleanups, including chang some variables
5605 2000-04-10 Neil Booth <NeilB@earthling.net>
5607 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5609 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5611 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5613 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5614 __classof__, and __headof__ from the list of gnu keywords.
5615 (-ansi): Remove -foperator-names from list of implied options.
5616 Do not call it ANSI C++.
5617 (-foperator-names): Document as -fno-operator-names.
5619 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5621 * cpphash.c (timestamp): Delete.
5622 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5623 (special_symbol): Remove unnecessary braces. Remove
5624 T_VERSION. Treat T_STDC like T_CONST unless
5625 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5626 when one is encountered, then convert them into T_MCONST
5628 * cppinit.c (builtin_array): version_string is T_MCONST.
5629 __STDC__ has a "1" in its cpval. Don't have a terminator
5630 entry. Clean up which entries are dumped.
5631 (initialize_builtins): Only __STDC__ gets the special
5632 -traditional treatment. Count the length of builtin_array.
5633 Render version_string here.
5634 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5635 * cpplib.h (struct cpp_reader): Remove timebuf.
5637 2000-04-09 Richard Henderson <rth@cygnus.com>
5639 * genrecog.c (pred): Update comparison_operator for the unordered
5642 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5644 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5645 (uno_comparison_operator): New.
5646 (put_condition_code): Handle UNORDERED/ORDERED.
5647 (unsigned_comparison): Likewise.
5648 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5649 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5650 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5651 update all callers. Handle all 8 unordered operators.
5652 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5653 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5654 * config/i386/i386.h (PREDICATE_CODES): Update.
5655 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5656 (ix86_expand_branch, ix86_expand_setcc): Update.
5657 * config/i386/i386.md (sunordered, sordered): New.
5658 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5659 (bunordered, bordered): New.
5660 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5661 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5662 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5664 2000-04-09 Philip Blundell <philb@gnu.org>
5666 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5668 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5670 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5671 fix_truncxfhi2): New patterns.
5672 * i386.c (output_fix_trunc): Handle converting to HImode.
5674 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5676 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5678 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5679 (for_each_successor_phi): Change parameter to basic_block.
5680 (coalesce_regs_in_successor_phi_nodes): Likewise.
5681 (coalesce_regs_in_copies): Likewise.
5682 (compute_coalesced_reg_partition): Use basic_block instead of index.
5683 * rtl.h (convert_to_ssa): Delete.
5684 (convert_from_ssa): Likewise.
5685 (successor_phi_fn): Likewise.
5686 (for_each_successor_phi): Likewise.
5687 (in_ssa_form): Likewise.
5688 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5689 (convert_from_ssa): Likewise.
5690 (successor_phi_fn): Likewise.
5691 (in_ssa_form): Likewise.
5692 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5693 * flow.c (calculate_global_regs_live): Pass a basic_block to
5694 for_each_successor_phi.
5696 2000-04-08 Richard Henderson <rth@cygnus.com>
5698 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5699 was modified in the current insn.
5701 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5703 * arm/thumb.md: Delete.
5704 * arm/thumb-protos.h: Delete.
5706 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5708 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5710 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5712 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5715 * arm.md (nop): Use the standard RTL expression. Don't code as a
5717 (*arm_nop, *thumb_nop): Delete.
5719 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5720 constants. Use casts instead.
5721 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5722 output_multi_immediate, arm_poke_function_name): Likewise.
5723 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5724 MASK_RETURN_ADDDR): Likewise.
5726 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5728 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5731 * arm.md (eh_epilogue): New function.
5732 * arm.h (struct machine_function): Move to here ...
5733 * arm.c: ... from here.
5734 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5735 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5736 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5738 2000-03-30 Nick Clifton <nickc@cygnus.com>
5740 * config/arm/semi.h (ASM_SPEC): Restore definition.
5741 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5743 * config/arm/elf.h (ASM_SPEC): Restore definition.
5744 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5746 * config/arm/arm.h (ASM_SPEC): Remove definition.
5747 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5749 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5751 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5753 2000-03-24 Nick Clifton <nickc@cygnus.com>
5755 Various formating tidyups, elimination of compile time
5756 warnings and synchronisation with internal sources:
5758 * config/arm/arm-protos.h (assemble_align): Add prototype.
5759 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5760 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5761 (arm_return_addr_rtx): Rename to arm_return_addr.
5763 * config/arm/arm.c: Include except.h.
5764 Define shorter typenames for strict minipool_node and struct
5766 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5768 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5769 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5771 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5773 (ASM_SPEC): Define if not already defined.
5774 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5776 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5777 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5778 arm_gen_compare_reg.
5779 (indirect_jump): Only accept register operands.
5780 (load_indirect_jump): Keep this pattern since combine can generate
5783 * config/arm/coff.h: Include aout.h.
5784 (MULTILIB_DEFAULTS): Only define if not already defined.
5786 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5787 into arm.h (so that COFF ports can support thumb based aliases).
5788 (ASM_SPEC): Move definition into arm.h
5790 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5791 redundant apcs spec.
5792 (ASM_SPEC): Move definition to arm.h
5794 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5796 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5797 for entries in the .bss section
5799 2000-03-23 Nick Clifton <nickc@cygnus.com>
5801 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5802 to thumb_far_jump_used_p.
5804 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5805 single integer parameter.
5807 * config/arm/arm.c (struct machine_function): Add two new
5808 fields, 'far_jump_used' and 'arg_pointer_live'.
5809 (thumb_far_jump_used_p): Once the decision has been made that
5810 far jumps might be used, always return true.
5811 If being called from the initial elimination offset macro then
5812 do not bother to perform the test if the arg pointer is not
5814 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5815 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5817 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5819 * arm.c (output_return_instruction): Handle more cases where we can
5820 return from a function with an ldr instruction.
5821 (arm_output_epilogue): Likewise.
5823 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5824 if we need to push a large stack frame and there are no callee-saved
5827 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5828 in ARM code if the frame pointer has been eliminated.
5830 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5831 unspec_volatile arguments to avoid duplicates.
5832 (consttable_1, consttable_2): Fixes for big-endian mode.
5834 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5837 Re-write constant pool code.
5838 * arm.c (minipool_node, minipool_fix): New types.
5839 (minifix): Delete type.
5840 (arm_add_minipool_constant): Delete.
5841 (arm_compute_minipool_offsets, arm_find_barrier,
5842 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5843 (get_jump_table_size): Now returns HOST_WIDE_INT.
5844 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5846 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5847 (assign_minipool_offsets, arm_print_value): Likewise.
5848 (dump_minipool): Rewrite.
5849 (arm_barrier_cost): New function.
5850 (create_fix_barrier): New function.
5851 (push_minipool_barrier): New function.
5852 (push_minipool_fix): Record additional information about the fixup
5854 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5855 check the mode of what needs fixing.
5856 (arm_reorg): Rewrite.
5858 2000-03-08 Nick Clifton <nickc@cygnus.com>
5860 * config/arm/arm.md (indirect_jump): Force constant addresses into
5863 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5865 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5867 2000-02-24 Nick Clifton <nickc@cygnus.com>
5869 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5870 adjust is word aligned.
5871 (thumb_expand_epilogue): Make sure that stack adjust is word
5874 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5876 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5878 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5879 pointer relative addresses.
5881 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5883 * arm.c (find_barrier): Find the last barrier within the allowed
5886 2000-02-09 Nick Clifton <nickc@cygnus.com>
5888 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5890 2000-02-09 Nick Clifton <nickc@cygnus.com>
5892 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
5893 ARM_FUNCTION_PROFILER.
5895 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
5896 ARM_FUNCTION_PROFILER.
5898 * config/arm/linux-oldld.h: Imported from mainline sources.
5900 2000-02-07 Nick Clifton <nickc@cygnus.com>
5902 * config/arm/lib1funcs.asm: Merge in thumb functions from
5905 * config/arm/lib1thumb.asm: Delete.
5907 2000-02-04 Nick Clifton <nickc@cygnus.com>
5909 * config/arm/arm.c: Sychronised with current Red hat local
5911 * config/arm/arm.h: Ditto.
5912 * config/arm/arm-protos.h: Ditto.
5914 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
5916 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
5918 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
5921 2000-02-02 Nick Clifton <nickc@cygnus.com>
5923 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
5925 * config/arm/arm.md (epilogue): Fix rtl checking abort because
5926 (return) was emited using an emit_insn() call.
5928 2000-01-31 Nick Clifton <nickc@cygnus.com>
5930 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
5932 (thumb_exit): Move frame pointer back into hard frame pointer
5933 register if backtracing is being used.
5935 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
5937 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
5940 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
5942 * config/arm/arm.md (neg_pool_offset): Provide default for new
5944 (arm_movsi_insn): Add neg_pool_offset attribute.
5945 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
5946 rtx for the insn that starts the scan and an unsigned long for its
5947 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
5948 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
5949 instructions in *PINSERTED.
5950 (struct minipool_fixup): Add MIN_ADDRESS elt.
5951 (sort_fixups): Compute it.
5952 (arm_reorg): Changes to support inserting pools before the insn to be
5955 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
5957 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
5958 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
5959 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
5961 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
5963 * config/arm/semi.h (TARGET_VERSION): Do not define if already
5965 (TARGET_DEFAULT): Do not define if already defined.
5967 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
5969 * config/arm/arm.md (anddi3): Allow disjoint source operands.
5970 (iordi3): Allow disjoint source operands.
5971 (xordi3): Allow disjoint source operands.
5972 (negdi2): Permit construction for ARM and Thumb.
5973 (arm_negdi2): Renamed version of old negdi2 pattern.
5974 (thumb_negdi2): New pattern: Only permit non-overlapping
5975 source and destination.
5977 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
5979 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
5980 scratch low register so that it will not be deleted.
5982 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
5984 * config/arm/pe.h (ARM_PE): Define.
5986 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
5987 interfacearm attribute if this is a PE toolchain.
5988 (output_return_instruction): Do not emit anything if the function
5989 has the naked attribute set.
5990 (is_called_in_ARM_mode): If the function has the interfacearm
5991 attribute then return true.
5992 (thumb_expand_prologue): Do not generate a prologue for naked
5994 (thumb_expand_epilogue): Do not generate an epilogie for a naked
5996 (output_thumb_prologue): Do not bother if the function is naked.
5997 Strip PE encoding from function name before emitting.
5999 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6001 * arm.md (pic_load_addr): Fix constraints.
6003 * arm.md (casesi_insn): Fix mis-applied patch.
6005 * arm.md ("core" function unit): Add rules for single- and
6007 (All TARGET_THUMB patterns): Add "type" attribute information
6009 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6010 the following insn is a CALL.
6012 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6014 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6015 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6016 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6018 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6020 * config/arm/linux-gas.h: oops - this file was missed out when the
6021 branch was created...
6023 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6025 * thumb.c: Deleted. Move contents to ...
6027 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6029 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6032 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6033 declare a prototype for asm_output_align();
6035 * arm.c (thumb_condition_code): Delete.
6036 (arm_print_operand): Always use arm_condition_code array.
6038 * arm.c (thumb_return_addr_rtx): Delete.
6039 (arm_save_machine_status, arm_restore_machine_status): Delete.
6040 (arm_init_machine_status, arm_mark_machine_status): New functions.
6041 (arm_init_expanders): Update accordingly.
6042 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6043 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6044 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6046 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6048 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6050 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6053 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6055 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6056 stack backtrace structure.
6058 * config/arm/arm-protos.h: Add prototypes for functions defined in
6061 * config/arm/arm.c (arm_override_options): Fix selection of
6062 attributes of default processor.
6064 * config/arm/coff.h: Delete needless #include.
6066 * config/arm/pe.c: Delete unused code.
6068 * config/arm/pe.h (CPP_DEFINES): Delete
6069 (SUBTARGET_CPP_SPEC): Define.
6070 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6072 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6074 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6076 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6078 (CAN_DEBUG_WITHOUT_FP): Define.
6079 (FIXED_REGISTERS): Make r11 call-saved.
6080 (CALL_USED_REGISTERS): Likewise.
6081 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6082 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6083 frame-pointer is required.
6084 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6085 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6086 if the target normally needs a stack frame in non-leaf functions.
6087 (use_return_insn): Correct logic for determining when a return
6088 instruction can be used.
6089 (output_return_instruction): Handle the frame-pointer register as
6090 a normal register when not TARGET_APCS_FRAME.
6091 (arm_output_prologue): Likewise.
6092 (arm_output_epilogue): Likewise.
6093 (output_func_epilogue): Likewise.
6094 (arm_expand_prologue): Likewise.
6095 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6097 * arm.c (use_return_insn): No need to check floating point regs if
6099 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6100 the code of value stored in the minipool array.
6101 (arm_add_minipool_constant): Likewise.
6103 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6105 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6107 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6109 * tree.c (tree_expr_nonnegative_p): New function.
6111 * tree.h (tree_expr_nonnegative_p): Declare.
6113 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6114 elide some sign_compare warnings.
6115 (build_conditional_expr): Likewise.
6117 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6119 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6121 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6122 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6123 operand. Abort if a 387 operand has an unsupported size.
6125 2000-04-08 Neil Booth <NeilB@earthling.net>
6127 * cppexp.c (parse_charconst): Null does not end character
6129 * cppinit.c (ISTABLE): Null character handled as whitespace.
6130 * cpplex.c (null_warning): new function.
6131 (skip_string): Emit warning if nulls encountered.
6132 (_cpp_skip_hspace): Emit warning if nulls encountered.
6133 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6137 2000-04-07 Richard Henderson <rth@cygnus.com>
6139 * flow.c (loop_depth): Remove.
6140 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6141 (struct propagate_block_info): New.
6142 (life_analysis): Don't allocate reg_next_use.
6143 (propagate_block_delete_insn): Break out of propagate_block.
6144 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6145 (propagate_block_delete_libcall): Likewise.
6146 (propagate_block): Create a propagate_block_info struct to pass
6147 to subroutines. Allocate one not two temporary regsets. Don't
6148 clobber memory for const calls. Look for clobbers in
6149 CALL_INSN_FUNCTION_USAGE.
6150 (mark_set_regs): Recognize COND_EXEC.
6151 (mark_set_reg): Break out of mark_set_1.
6152 (mark_used_reg): Break out of mark_used_regs.
6153 (mark_used_regs): Recognize COND_EXEC.
6154 (insn_dead_p): Use propagate_block_info struct.
6155 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6156 (find_auto_inc, try_pre_increment_1): Likewise.
6157 (print_rtl_with_bb): Dump regs live at end too.
6158 (count_reg_sets_1): Pass in loop_depth.
6159 (count_reg_sets, count_reg_references): Likewise.
6160 (recompute_reg_usage): Provide it.
6162 2000-04-07 Richard Henderson <rth@cygnus.com>
6164 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6167 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6169 * cpplib.c (do_elif): Skip the rest of the line if we're
6170 not going to bother evaluating it.
6171 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6172 to avoid pointless calls to the lexer.
6174 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6176 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6178 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6180 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6182 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6184 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6186 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6188 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6189 crtend so they can be multilibbed.
6190 (STAGESTUFF): Remove s-crt and s-crtS.
6192 2000-04-07 Richard Henderson <rth@cygnus.com>
6194 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6195 if we discover we need a pseudo and no_new_pseudos is true.
6196 * config/alpha/alpha.md (ne:DI insn): New.
6197 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6199 2000-04-07 Richard Henderson <rth@cygnus.com>
6201 * rtl.def (COND_EXEC): New.
6202 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6203 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6205 * genconfig.c (have_cond_arith_flag): Remove.
6206 (have_cond_exec_flag): New.
6207 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6208 (main): Print HAVE_conditional_execution.
6210 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6211 (sched_analyze_insn, print_pattern): Likewise.
6212 * reload.c (find_equiv_reg): Likewise.
6213 * rtlanal.c (reg_referenced_p): Likewise.
6214 (note_stores, dead_or_set_regno_p): Likewise.
6215 (reg_overlap_mentioned_p): Rewrite to use a switch.
6217 * ggc.h (struct rtx_def): Forward declare.
6219 * print-rtl.c (debug_rtx_range): New.
6220 * rtl.h (debug_rtx_range): Declare.
6222 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6224 * gcse.c (gcse_main): Don't rebuild the CFG here.
6225 (delete_null_pointer_checks): Likewise.
6226 * ssa.c (convert_to_ssa): Likewise.
6227 * toplev.c (rest_of_compilation): Do it here instead. Combine
6228 sequential calls to TIMEVAR. Consistently use `insns' instead of
6229 `get_insns()'. Always split insns after reload when optimizing.
6231 * basic-block.h (merge_blocks_nomove): Declare.
6232 (tidy_fallthru_edge): Declare.
6233 * flow.c (merge_blocks_nomove): Document as merging into previous
6234 blocks. Remove cruft from between blocks; remove all edges out of A.
6235 (tidy_fallthru_edge): Export.
6237 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6239 * ssa.c (compute_conservative_reg_partition): Declare with
6241 * toplev.c (clean_dump_file): Remove previously-deleted function
6242 inadvertantly merged back in.
6243 * conflict.c (conflict_graph_add): Use a single call to
6244 htab_find_slot to look up and insert.
6246 2000-04-06 Richard Henderson <rth@cygnus.com>
6248 * genrecog.c (*): Rename _last_insn to last_insn.
6249 (make_insn_sequence): Set the position of the peephole2 C test
6250 to be at the last insn.
6252 2000-04-06 Richard Henderson <rth@cygnus.com>
6254 * flow.c (compute_flow_dominators): Free worklist.
6256 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6258 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6260 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6262 * rtl.h (INSN_P): New macro.
6263 (successor_phi_fn): New typedef.
6264 (for_each_successor_phi): New prototype.
6265 (in_ssa_form): New variable.
6266 (PHI_NODE_P): Likewise.
6267 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6268 phi nodes in successors.
6269 (mark_used_regs): Add PHI case.
6270 (set_phi_alternative_reg): New function.
6271 (life_analysis): Assert that dead code elimination is not selected
6273 * toplev.c (to_ssa_time): New variable.
6274 (from_ssa_time): Likewise.
6275 (compile_file): Zero to_ssa_time and from_ssa_time.
6276 Print time to convert to and from SSA.
6277 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6278 (print_time): Compute percent fraction as integer.
6279 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6280 (convert_to_ssa): Check if we're already in SSA.
6281 Don't eliminate dead code in life_analysis.
6282 Rerun flow and life analysis at bottom.
6283 (eliminate_phi): Use canonical regnos when adding nodes.
6284 (mark_reg_in_phi): New function.
6285 (mark_phi_and_copy_regs): Likewise.
6286 (convert_from_ssa): Rerun life analysis at top.
6287 Use coalesced partition.
6288 Check for removing a phi node at the end of the block.
6289 (compute_coalesced_reg_partition): New function.
6290 (coalesce_regs_in_copies): Likewise.
6291 (coalesce_reg_in_phi): Likewise.
6292 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6293 (for_each_successor_phi): Likewise.
6294 (rename_context): New struct.
6295 (rename_block): Use a rename_context with rename_insn_1. When
6296 renaming sets of a subreg, emit a copy of the entire reg first.
6297 (rename_insn_1): Treat data as a rename_context *. Save current
6299 (rename_set_data): Add field set_insn.
6300 * Makefile.in (HASHTAB_H): Move up in file.
6301 (OBSTACK_H): New macro.
6302 (collect2.o): Use OBSTACK_H in dependencies.
6303 (sdbout.o): Likewise.
6304 (emit-rtl.o): Likewise.
6305 (simplify-rtx.o): Likewise.
6306 (fix-header.o): Likewise.
6307 (OBJS): Add conflict.o.
6308 (conflict.o): New rule.
6309 * basic-block.h: Include partition.h.
6310 (conflict_graph): New typedef.
6311 (conflict_graph_enum_fn): Likewise.
6312 (conflict_graph_new): New prototype.
6313 (conflict_graph_delete): Likewise.
6314 (conflict_graph_add): Likewise.
6315 (conflict_graph_conflict_p): Likewise.
6316 (conflict_graph_enum): Likewise.
6317 (conflict_graph_merge_regs): Likewise.
6318 (conflict_graph_print): Likewise.
6319 (conflict_graph_compute): Likewise.
6320 * conflict.c: New file.
6322 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6324 * tlink.c (read_repo_files): Don't look for .rpo info for
6327 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6329 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6331 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6333 * config/sh/lib1funcs.asm (___udivsi3_i4):
6334 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6335 only depends on FMOVD_WORKS.
6337 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6339 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6340 make double constant 8-byte aligned.
6342 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6344 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6345 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6346 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6347 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6348 Accept storing GENERAL_REGS into offsetable memory.
6349 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6350 building a TFmode constant other than 0.0L into GENERAL_REGS.
6352 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6354 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6356 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6358 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6359 (macro_cleanup): No need to cast pbuf->macro.
6360 (collect_expansion): Use _cpp_get_define_token. Goto done if
6361 it returns VSPACE. Remove check for trailing space after
6363 (_cpp_create_definition): Don't diddle flags here. Return
6365 (unsafe_chars): Handle c1 being EOF.
6366 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6367 checks. Don't push the buffer till after we're done with
6369 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6370 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6371 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6373 (_cpp_parse_assertion): Don't NUL terminate.
6374 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6375 hspace before calling _cpp_parse_assertion. Remove all sets
6376 of only_seen_white. Treat '\f' as hspace. Don't do anything
6377 special with '\n' here.
6378 (maybe_macroexpand): Handle T_EMPTY hash entries without
6379 pushing a buffer at all.
6380 (cpp_get_token): Handle clearing only_seen_white here. Handle
6381 incrementing the line number here. Clear
6382 potential_control_macro as well as only_seen_white, if
6384 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6385 (_cpp_get_define_token): New function, basically like
6386 _cpp_get_directive_token was but doesn't eat horizontal space.
6387 Don't do anything with only_seen_white here.
6388 (_cpp_get_directive_token): Just call _cpp_get_define_token
6389 repeatedly till it returns non-hspace.
6391 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6392 (conditional_skip, skip_if_group): Return int.
6393 (DIRECTIVE_TABLE): Change origin of all conditional directives
6395 (TRAD_DIRECT_P): New macro.
6396 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6397 an error for a bogus directive, unless -lang-asm. Use
6398 TRAD_DIRECT_P. Loop calling handler functions till one returns
6400 (get_macro_name): Don't diddle flags here.
6401 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6402 Create T_EMPTY nodes for #define macro /* nothing */.
6403 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6404 Use hp->name when calling pass_thru_directive.
6405 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6406 Return the result of conditional_skip and/or skip_if_group.
6407 Don't call _cpp_output_line_command.
6408 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6409 Issue -Wtraditional warnings as appropriate. Don't complain
6410 about unrecognized directives. If we are to stop skipping,
6411 return the number of the directive that ended the skip.
6412 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6413 expansion and line commands while skipping. Return the result
6414 of consider_directive_while_skipping, if nonzero.
6415 (do_endif): Just set potential_control_macro here.
6416 (validate_else): Use _cpp_get_directive_token.
6417 (do_assert, do_unassert): Don't save pointers into the
6418 token_buffer across calls to the lexer. Use
6419 _cpp_get_directive_token.
6421 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6422 pointer, not an offset. Replace 'data', which was a generic
6423 pointer, with 'macro', which points to a struct hashnode.
6424 (cpp_reader): Add 'potential_control_macro' pointer.
6425 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6426 (CPP_BUF_GET, CPP_FORWARD): Delete.
6427 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6428 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6429 ACTIVE_MARK_P): Update.
6430 (_cpp_get_define_token): New internal function.
6431 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6433 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6435 * configure.in: And here.
6436 * configure: Regenerate.
6437 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6438 --enable-libstdcxx-v3 is passed at configure time.
6439 * config.h.in: Regenerate.
6441 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6443 * final.c (final): Use xcalloc to allocate line_note_exists.
6444 * function.c (free_after_compilation): Free the temp_slots.
6445 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6446 (combine_temp_slot): Free temp_slots when they get combined.
6447 (purge_addressof): Fix typo in comment.
6448 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6449 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6451 * ggc.h: Include varray.h.
6452 (ggc_pending_trees): Declare.
6453 (ggc_mark_tree_children): Remove declaration.
6454 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6455 * ggc-common.c (ggc_pending_trees): New variable.
6456 (ggc_mark_roots): Call ggc_mark_trees.
6457 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6458 the ggc_pending_trees.
6459 * Makefile.in (GGC_H): New variable. Use it throughout in place
6462 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6464 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6467 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6469 * sh.c (sh_insn_length_adjustment): New function.
6470 * sh-protos.h (sh_insn_length_adjustment): Declare.
6471 * sh.h (ADJUST_INSN_LENGTH): Use it.
6473 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6475 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6476 from the insn where REG_RETVAL is added.
6477 (emit_no_conflict_block): Ditto.
6479 * md.texi (Standard Names): Clarify when movX is needed.
6481 * combine.c (simplify_comparison) [MINUS]: Do not replace
6482 all (op (minus A B) 0) with (op A B).
6484 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6485 J"orn Rennecke <amylaar@cygnus.co.uk>
6487 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6488 (block_lump_real): Likewise.
6490 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6492 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6493 remaining non-zero debugging masks.
6495 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6497 * basic-block.h (verify_flow_info): Declare.
6498 (flow_loop_outside_edge_p): Declare.
6499 * flow.c (verify_flow_info): Remove declaration.
6500 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6502 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6504 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6507 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6509 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6510 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6511 seqdi_zero_trunc+1): Allow splits only if registers are
6514 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6516 * acconfig.h: Add HAVE_GAS_HIDDEN.
6517 * config.in: Regenerated.
6518 * configure.in: Add test for .hidden pseudo-op in gas.
6519 * configure: Regenerated.
6520 * crtstuff.c: Include auto-host.h.
6521 Emit additional .hidden pseudo-op for __dso_handle if the
6522 assembler knows about it.
6524 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6526 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6527 before freeing argnames.
6528 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6530 2000-04-05 Michael Meissner <meissner@redhat.com>
6532 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6533 Walton <jonboy@gordian.com> to make memory references with update
6534 work wtih -mregnames.
6536 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6538 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6539 (regrename_optimize): Rename variables `def_uses' and
6540 `ext_basic_blocks' to avoid conflicts with similarly named
6541 typedefs in traditional C.
6543 * calls.c (initialize_argument_information): Fix typo in previous
6546 2000-04-04 Richard Henderson <rth@cygnus.com>
6548 * regrename.c (consider_available): Test fixed_regs not
6549 PIC_OFFSET_TABLE_REGNUM.
6551 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6553 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6555 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6556 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6557 (ENDFILE_LINUX_SPEC): Always use crtend.
6558 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6559 (powerpc-*-linux-gnu): Likewise.
6560 * configure: Regenerate.
6562 * config/rs6000/eabi.h: Don't include sysv4.h.
6563 (MULTILIB_DEFAULTS): Don't define.
6564 * config/rs6000/eabiaix.h: Don't include eabi.h.
6565 * config/rs6000/eabile.h: Delete.
6566 * config/rs6000/eabilesim.h: Delete.
6567 * config/rs6000/eabisim.h: Don't include eabi.h.
6568 * config/rs6000/linux.h: Don't include sysv4.h.
6569 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6570 (MULTILIB_DEFAULTS): Don't redefine.
6571 * config/rs6000/rtems.h: Don't include eabi.h.
6572 * config/rs6000/sol2.h: Don't include sysv4le.h.
6573 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6574 * config/rs6000/t-ppc: Delete.
6575 * config/rs6000/t-ppcgas: Correct comment.
6576 * config/rs6000/t-ppcos: Correct comment. Don't build
6577 multilibs for -fPIC, rather use -fPIC -mstrict-align
6579 * config/rs6000/t-ppc: Delete.
6580 * config/rs6000/vxppc.h: Don't include sysv4.h.
6581 * config/rs6000/vxppcle.h: Delete.
6582 * configure.in: Use multiple header files for p2pc ELF targets
6583 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6584 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6585 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6586 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6587 always available for these platforms.
6589 2000-04-04 Richard Henderson <rth@cygnus.com>
6591 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6593 2000-04-04 Stan Cox <scox@cygnus.com>
6595 * Makefile.in: Add rules for regrename.o
6596 * regrename.c: New file.
6597 * rtl.h (regrename_optimize): Add prototype.
6598 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6599 (compile_file, decode_d_option): Add support for -frename-registers.
6600 (rest_of_compilation): Call regrename_optimize.
6601 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6604 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6606 * Makefile (gccbug): New target.
6607 (doc): Depend on it.
6608 * gcc.texi (Bugs): Link subnodes.
6610 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6611 Document severities, priorities, and classes in bug form.
6613 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6615 * cpplex.c (trigraph_map, speccase): Combine into single
6617 (NORMAL, NONTRI): New macros.
6618 (_cpp_read_and_prescan): Change to use unified table. Use
6619 is_hspace to test for whitespace.
6621 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6622 definition that doesn't provoke the "empty body in an
6623 if-statement" warning.
6625 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6627 * builtins.c (expand_builtin_strlen): Force the source to
6628 be a memory address.
6630 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6632 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6634 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6636 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6637 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6638 (ECF_IS_CONST): Rename to ECF_CONST.
6639 (special_function_p): Make static, change interface.
6640 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6641 (expand_call) ... here; convert number of variables to flags.
6642 (emit_library_call_vlue_1): Likewise.
6643 (setjmp_call_p): New function.
6644 (initialize_argument_information): Accepts flags as argument;
6646 (precompute_arguments): Likewise.
6647 * tree.h (special_function_p): Remove.
6648 (setjmp_call_p): Add prototype.
6650 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6652 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6653 so that addresses are offsetable by up to 16 bytes.
6654 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6655 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6658 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6659 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6660 (movsf): Don't force any constant to memory if target is integer
6662 Move fp_zero_operand check below the const0_rtx check.
6663 (movtf): Likewise. Also allow fp_zero_operand for stores into
6665 (movdf): Likewise. Also allow fp_zero_operand for stores into
6666 memory and into integer hard registers.
6667 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6668 movdf_const_intreg_sp64): Remove.
6669 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6671 (movdf_no_e_insn_v9_sp32): New pattern.
6672 (movdf_insn_v9only): Remove.
6673 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6674 (movdf_insn_sp64): Remove.
6675 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6676 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6677 (following splits): Rewrite conditions. Add two new splits
6678 for storing 0.0 into memory and registers.
6679 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6680 (movtf_insn_sp32): Redo constraints and conditions.
6681 (movtf_insn_vis_sp32): New pattern.
6682 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6683 (movtf_insn_hq_sp64): Likewise.
6684 (movtf_insn_hq_vis_sp64): New pattern.
6685 (movtf_insn_sp64): Redo constraints and conditions.
6686 (movtf_insn_vis_sp64): New pattern.
6687 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6688 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6690 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6691 -mvis or -m64 to take down the number of various reload patterns.
6693 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6695 * pa/pa-64.h: New file.
6696 * pa/pa64-regs.h: New file.
6697 * pa/pa64-start.h: New file.
6698 * pa/t-pa64: New file.
6699 * pa/xm-pa64hpux.h: New file.
6701 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6703 * sparc.c (output_restore_regs): Prototype.
6704 (sparc_emit_float_lib_cmp): Constification.
6706 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6708 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6711 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6712 (get_value_hash, hash_rtx): Likewise.
6714 * ssa.c (compute_conservative_reg_partition): Prototype.
6716 * tree.c (mark_hash_entry): Prototype.
6718 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6720 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6721 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6722 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6724 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6725 * objc/lang-specs.h: Likewise.
6727 2000-04-03 Neil Booth <NeilB@earthling.net>
6729 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6730 and SYNTAX_ERROR2. Replace `' in messages with ''.
6731 (op_to_str): Make re-entrant.
6732 (_cpp_parse_expr): Implement new error macros. Use | rather
6733 than || to logically or 2 boolean integers. Simply expression
6734 checking we have a left operand iff needed.
6736 2000-04-03 Nick Clifton <nickc@cygnus.com>
6738 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6740 2000-04-03 Philip Blundell <philb@gnu.org>
6742 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6744 2000-04-03 Felix Lee <flee@cygnus.com>
6746 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6747 (run_shell): Use it.
6749 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6751 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6752 (stmp-fixproto): ...rather than here.
6754 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6756 * pa.c (print_operand): Compute 'base' only inside the code paths
6759 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6761 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6764 2000-04-03 Philipp Thomas <pthomas@suse.de>
6766 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6768 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6770 * Makefile.in (alias.o): Depend on $(TREE_H).
6772 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6774 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6776 * cpplib.c (_cpp_handle_directive): Improve warnings for
6777 traditional C and indented directives.
6779 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6780 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6781 fixinc/inclhack.def: Indent the # of #include_next one space.
6782 * cp/rtti.c: Un-indent #if and #endif.
6784 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6785 syntax error, but an error has already been printed.
6786 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6787 message when called with nothing remaining on the line.
6788 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6789 OTHER token, not an ASSERTION.
6790 * cpplib.c (do_assert): When we create a 'base' node, clear
6791 its aschain pointer.
6793 2000-04-02 Neil Booth <NeilB@earthling.net>
6795 * cppexp.c: New typedef op_t. struct operation and struct
6796 token updated to use it.
6797 (op_to_str): New function.
6798 (_cpp_parse_expr): Error messages modified to use op_to_str.
6800 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6802 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6803 before checking MUST_PASS_IN_STACK.
6805 2000-04-02 Neil Booth <NeilB@earthling.net>
6807 * cppexp.c: New FINISHED dummy token. Combine operator initial
6808 flags and initial priority into a single constant. New
6809 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6810 (_parse_cpp_expr): Implement new constants. Take left operand
6811 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6812 parse indicated by reducing FINISHED token. Remove new lines
6813 from cpp_error messages.
6815 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6817 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6820 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6822 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6823 directive. Add origin values to DIRECTIVE_TABLE. Generate
6824 the strings and function names on the fly. Take the #sccs
6825 entry out of the table if SCCS_DIRECTIVE is not defined.
6826 (_cpp_handle_directive): Decide if the # was at the beginning
6827 of the line here. Issue -pedantic warnings for extended
6828 directives here. Warn about K+R directives with the #
6829 indented, and C89/extended directives with the # not indented,
6831 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6832 do_assert, do_unassert): Don't issue pedantic warning here.
6834 * cpphash.h: Add CPP_WTRADITIONAL macro.
6835 * cpplib.h (struct cpp_options): Rename warn_stringify to
6836 warn_traditional; update comments.
6837 * cppinit.c (handle_option): Set warn_traditional not
6839 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6840 CPP_WTRADITIONAL (pfile).
6841 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6842 be ignored in -traditional mode here.
6844 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6845 to initialize speccase[] and trigraph_map[]. Delete all
6846 references to pfile->input_speccase. Always treat '?' as a
6847 special character. Remove table-initialization code from
6848 _cpp_init_input_buffer.
6850 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6851 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6853 2000-04-01 Richard Henderson <rth@cygnus.com>
6855 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6856 (mostlyclean): Likewise.
6858 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6859 (struct dump_file_info, enum dump_file_index, dump_file): New.
6860 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6861 not a string. Clean out file if we havn't yet done so. Do nothing
6862 if the dump isn't enabled.
6863 (close_dump_file): Do nothing if the dump isn't open. Dump
6864 graph data if requested.
6865 (dump_rtl, clean_dump_file): Remove.
6866 (compile_file): Don't clean the dump files. Only finalize .bp dump
6867 if flag_test_coverage or flag_branch_probabilities. Only finalize
6868 .combine dump if optimizing. Iterate over dump_file to finalize the
6870 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6871 Convert all uses of dump_rtl.
6872 (decode_d_option): Iterate over dump_file to implement 'a' and to
6873 locate pass-specific dumps.
6875 2000-04-01 Neil Booth <NeilB@earthling.net>
6877 * cppexp.c: Redefine priority constants.
6878 (_cpp_parse_expr): Replace left and right priority scheme with
6879 single priority logic. Move LOGICAL to same place as COMPARE.
6880 Remove bogus check for multiple unary +/- operators.
6882 2000-04-01 Neil Booth <NeilB@earthling.net>
6884 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6885 within the switch statement. Binary operations break out of
6886 the switch naturally. '(' tokens handled by forcing
6887 immediate shift. ')' handled by forcing immediate reduce to
6888 the previous '('. New error messages.
6890 2000-03-31 Geoff Keating <geoffk@cygnus.com>
6892 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
6893 part', it's already in use. Use %K instead. Add a return at the
6894 end of what is now %K.
6895 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
6897 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6899 * builtins.c (expand_builtin_apply): Pass proper parameters to
6900 allocate_dynamic_stack_space.
6901 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
6902 update stack_pointer_delta; do not update arg_size_so_far.
6903 (compute_argument_block_size): Use stack_delta instead of
6904 stack_pointer_pending and arg_size_so_far.
6905 (expand_call): Add sanity checking for stack_pointer_delta;
6906 save and restore stack_pointer_delta for SIB, use
6907 stack_pointer_delta for alignment; do not update arg_space_so_far.
6908 (emit_library_call_value): Use stack_pointer_delta for alignment.
6909 (store_one_arg): Do not update arg_space_so_far.
6910 * explow.c (adjust_stack, anti_adjust_stack): Update
6911 stack_pointer_delta.
6912 (allocate_dynamic_stack_space): Add sanity checking for
6913 stack_pointer_delta.
6914 * expr.c (init_expr, clear_pending_stack_adjust): Clear
6915 stack_pointer_delta.
6916 (emit_push_insn): Update stack_pointer_delta.
6917 * function.h (struct expr_status): Add x_stack_pointer_delta;
6918 remove x_arg_space_so_far.
6919 (arg_space_so_far): Remove.
6920 (stack_pointer_delta): New macro.
6922 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
6924 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
6925 Reorder struct cpp_options and struct cpp_reader for better
6926 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
6927 takes two args. Change all 'char' flags to 'unsigned char'.
6928 Move show_column flag into struct cpp_options. Don't
6929 prototype cpp_options_init.
6930 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
6931 cppinit.c, cpplex.c, cpplib.c:
6932 Replace CPP_OPTIONS (pfile)->whatever with
6933 CPP_OPTION (pfile, whatever), and likewise for
6934 opts = CPP_OPTIONS (pfile); ... opts->whatever;
6936 * cppinit.c (merge_include_chains): Take a cpp_reader *.
6937 Extract CPP_OPTION (pfile, pending) and work with that
6939 (cpp_options_init): Delete.
6940 (cpp_reader_init): Turn on on-by-default options here.
6941 Allocate the pending structure here.
6942 (cl_options, enum opt_code): Define these from the same table,
6943 kept in a large macro. Add -fshow-column and -fno-show-column
6946 * cpperror.c (v_message): If show_column is off, don't print
6949 * cppmain.c: Update for new interface.
6950 * fix-header.c: Likewise.
6952 2000-03-30 Geoff Keating <geoffk@cygnus.com>
6954 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
6956 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
6957 are passed to any invocation of AR_FOR_TARGET.
6958 (AR_CREATE_FOR_TARGET): New macro.
6959 (AR_EXTRACT_FOR_TARGET): New macro.
6960 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
6961 AR_EXTRACT_FOR_TARGET.
6962 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
6963 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
6964 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
6965 AR_EXTRACT_FOR_TARGET to sub-makes.
6967 2000-03-31 Neil Booth <NeilB@earthling.net>
6969 * cppexp.c: Delete SKIP_OPERAND. Correct priority
6971 (_cpp_parse_expr): Check for multiple unary +/- operators.
6972 Correct priorities of ':' and '?'. Treat ')' as having a
6973 value. Ensure conditional expression is not void.
6975 2000-03-31 Mark Mitchell <mark@codesourcery.com>
6977 * alias.c (canon_rtx): Make it global.
6978 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
6980 * cse.c (struct table_elt): Add canon_exp.
6982 (invalidate): Canonicalize expressions only once.
6983 * rtl.h (canon_rtx): Declare.
6985 2000-03-30 Mark Mitchell <mark@codesourcery.com>
6987 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
6988 * alias.c (reg_known_value): Add comments.
6989 (init_alias_analysis): Likewise.
6990 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
6992 (cse_basic_block): Fix typo in comment.
6993 * emit-rtl.c: Include hashtab.h.
6994 (const_int_htab): New variable.
6995 (const_int_htab_hash): New function.
6996 (const_int_htab_eq): Likewise.
6997 (rtx_htab_mark_1): Likewise.
6998 (rtx_htab_mark): Likewise.
6999 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7000 (unshare_all_rtx): Fix formatting.
7001 (init_emit_once): Initialize const_int_htab.
7002 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7004 * rtl.texi: Document the fact that all CONST_INTs with the same
7007 2000-03-30 Richard Henderson <rth@cygnus.com>
7009 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7011 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7013 * configure.in: Comment out --enable-c-cpplib stanza.
7014 * configure: Regenerate.
7016 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7018 * expr.c (store_constructor): Properly compute displacement and
7019 alignment when offset is variable.
7021 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7022 cases of alignment in bytes.
7024 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7026 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7027 since it is used to generate c-parse.y.
7028 * objc-parse.c, objc-parse.y: Regenerated.
7030 * function.c (expand_function_end): Pass alignment argument to
7031 emit_block_move in bits, not bytes.
7033 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7038 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7040 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7041 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7042 * function.c (assign_parms): Likewise.
7043 * integrate.c (expand_inline_function): Likewise.
7044 * stmt.c (expand_decl): Likewise.
7045 (copy_rtx_and_substitute): Likewise.
7046 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7047 (clear_by_pieces): Fix error in last change.
7048 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7049 * function.h (regno_pointer_align): Now unsigned.
7050 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7052 * config/i386/i386.c (aligned_operand): Likewise.
7053 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7054 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7055 (unaligned_memory_operand): Likewise.
7056 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7057 Also make alignments and sizes unsigned and some whitespace cleanup.
7058 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7060 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7061 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7062 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7063 (expand_builtin_memset): Likewise, but to clear_storage.
7064 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7065 (restore_fixed_argument_area): Likewise.
7066 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7067 (load_register_parameters): Likewise, to emit_group_load.
7068 (expand_call): Likewise, to emit_group_store and emit_block_move.
7069 (emit_library_call_value_1): Likewise, to emit_block_move.
7070 (store_one_arg): Likewise, and to emit_push_insn.
7071 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7072 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7073 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7074 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7075 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7076 (expand_assigment, store_expr, store_constructor_field): Likewise.
7077 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7078 (store_constructor, store_field, get_inner_reference): Likewise.
7079 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7080 (expand_expr, case COMPONENT_REF): Likewise.
7081 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7082 and positions; reindent code.
7083 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7084 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7085 (assign_parms): Likewise to emit_group_store.
7086 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7087 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7088 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7089 (expand_return): Likewise to {extract,store}_bit_field.
7090 * stor-layout.c (get_mode_alignment): Minor cleanup.
7091 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7092 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7094 2000-03-29 Nick Clifton <nickc@cygnus.com>
7096 * config/arm/arm.h: Undo effects of previous delta:
7097 (ASM_SPEC): Do not define.
7098 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7100 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7103 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7105 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7106 only after reading in the primary source file.
7108 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7110 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7111 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7112 or a reference to a va_list.
7113 * builtins.c (stabilize_va_list): Simplify now we don't have to
7114 work around C array address decay.
7115 * c-typeck.c (convert_for_assignment): Handle assignment to
7116 a reference parameter by taking the address of the RHS.
7117 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7118 (va_copy): Likewise.
7119 (__va_copy): Likewise.
7120 * ginclude/varargs.h (va_start): Likewise.
7121 (__va_copy): Likewise.
7123 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7125 * i386/djgpp.h: Remove extraneous "+".
7127 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7129 * calls.c (expand_call): Fix typo in last change.
7131 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7133 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7136 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7138 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7139 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7140 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7141 * tree.c (bit_position, byte_position): Likewise.
7142 * tree.h: Declare new functions.
7144 2000-03-29 Nick Clifton <nickc@cygnus.com>
7146 * config/arm/arm.c: Minor formatting changes/
7147 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7149 (ASM_SPEC): Define if not already defined.
7151 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7153 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7156 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7158 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7159 value, don't output it as unsigned.
7161 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7163 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7165 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7167 * c-common.c (c_common_nodes_and_builtins): Don't special case
7168 cplus_mode when declaring builtin bzero/bcmp, always avoid
7169 prototype arguments.
7171 2000-03-29 Bruce Korb <bkorb@gnu.org>
7173 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7176 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7178 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7179 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7180 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7181 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7182 (save_fixed_argument_area, restore_fixed_argument_area):
7183 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7184 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7185 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7186 (precompute_register_parameters): Avoid #ifdefs on
7187 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7188 (stire_one_args): Likewise.
7189 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7190 (emit_library_call_value_1): Likewise.
7191 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7192 ACCUMULATE_OUTGOING_ARGS.
7193 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7195 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7196 (use_crosses_set_p): Likewise.
7197 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7198 #define ACCUMULATE_OUTGOING_ARGS 1.
7199 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7201 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7203 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7204 (TARGET_SWITCHES): Add push-args, no-push-args,
7205 accumulate-outgoing-args and no-accumulate-outgoing-args.
7206 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7207 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7208 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7210 (emit_push_insn): Likewise.
7211 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7212 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7213 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7214 (STACK_DYNAMIC_OFFSET): Define correctly for both
7215 ACCUMULATE_OUTGOING_ARGS and normal mode.
7216 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7217 * tm.texi (PUSH_ARGS): Document.
7218 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7220 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7222 * flags.h (flag_optimize_sibling_calls): Declare.
7223 * calls.c (expand_call): Fail sibcall when
7224 !flag_optimize_sibling_calls
7225 * invoke.texi (flag_optimize_sibling_calls): Document.
7226 * toplev.c (flag_optimize_sibling_calls): New global variable.
7227 (f_options): Add flag_optimize_sibling_calls.
7228 (rest_of_compilation): Conditionize
7229 optimize_sibling_and_tail_recursive_calls by
7230 flag_optimize_sibling_calls.
7231 (main): Set flag_optimize_sibling_calls for -O2.
7232 * stmt.c (expand_return): Conditionize tail recursion by
7233 flag_optimize_sibling_calls.
7235 2000-03-29 Richard Henderson <rth@cygnus.com>
7237 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7238 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7240 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7242 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7244 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7246 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7248 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7249 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7250 * config/rs6000/aix.h: then modified likewise.
7252 2000-03-28 Richard Henderson <rth@cygnus.com>
7254 * rtl.h: Redistribute enum reg_note documentation.
7255 Kill trailing whitespace.
7256 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7257 Kill trailing whitespace.
7259 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7261 * cppfiles.c (hash_IHASH): Just return i->hash.
7262 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7263 htab_find_with_hash.
7264 (cpp_read_file): Likewise.
7265 (find_include_file): Likewise. Properly initialize
7266 ih->nshort. Share ih->name and ih->nshort if possible.
7267 * cpphash.c (_cpp_calc_hash): New function.
7268 (hash_HASHNODE): Just return h->hash.
7269 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7270 htab_find_with_hash.
7271 * cpphash.h: Prototype _cpp_calc_hash.
7272 * cppinit.c (initialize_builtins): Provide a valid hash
7273 to _cpp_make_hashnode, using _cpp_calc_hash.
7275 * cpphash.c (collect_expansion): # is not a special character
7276 in object-like macros. In -traditional mode, /**/ is not
7277 token paste at the beginning or end of the line.
7278 * cpplib.c (do_include, do_import, do_include_next): If
7279 parse_include fails, return immediately.
7281 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7283 * config/arm/arm.md (return peepholes): Update to reflect the new
7285 * config/arm/arm.c (arm_volatile_func): Also check
7286 current_function_nothrow.
7287 (output_return_instruction, output_func_prologue): Use it.
7288 (arm_output_epilogue, arm_expand_prologue): Likewise.
7290 2000-03-27 Tom Tromey <tromey@cygnus.com>
7292 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7295 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7297 * expr.c (store_constructor): SIZE now signed.
7298 For EXPR_SIZE, don't evaluate size; just needed if constant.
7299 * fold-const.c (fold): Fix a number of cases when folded tree is
7301 * function.c (flush_addressof): Reenable.
7302 * tree.h (flush_addressof): Likewise.
7303 * toplev.c (independent_decode_option): Look at strings_processed.
7304 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7306 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7308 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7309 Allow stack adjustment after function call.
7311 * regmove.c (struct csa_memlist): Make mem field rtx *.
7312 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7313 (try_apply_stack_adjustment): Replace whole MEM rtx.
7314 (combine_stack_adjustments_for_block): Update calls
7315 to record_one_stack_ref.
7317 2000-03-28 Neil Booth <NeilB@earthling.net>
7319 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7320 '\\' rather than a null character, so nulls are not special. Fix
7321 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7322 speed trigraph conversion.
7323 (_cpp_init_input_buffer): Initialize trigraph map.
7325 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7327 * config/i386/i386.c (output_387_binary_op): Correct intel
7328 mode assembly output, and add spaces after commas in AT&T
7329 output. Correct Unixware assembler comment. Document input
7330 constraints. Comment fp operations. Reduce profligate buffer
7331 size. Remove extraneous abort. Localize temp var.
7332 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7333 (output_fix_trunc): Add spaces after commas in assembly output.
7335 2000-03-27 Richard Henderson <rth@cygnus.com>
7337 * i386-protos.h (ix86_match_ccmode): Declare.
7338 * i386.c (ix86_match_ccmode): New.
7339 (ix86_expand_fp_compare): Update for pattern renames.
7340 (ix86_expand_strlensi_unroll_1): Likewise.
7341 * i386.h (EXTRA_CC_MODES): Add CCZ.
7342 (SELECT_CC_MODE): Use it for EQ/NE zero.
7343 * i386.md (cmpsi_ccz_1): New.
7345 (*testsi_ccz_1): New.
7346 (testqi_ccz_1): New.
7347 (cmpsi_ccno_1): Rename from cmpsi_0.
7348 (testsi_ccno_1): Rename from testsi_1.
7349 (testqi_ccno_1): Rename from testqi_1.
7350 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7351 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7352 (*cmphi_0): Use ix86_match_ccmode.
7353 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7354 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7355 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7356 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7357 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7358 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7359 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7360 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7361 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7362 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7363 (appropriate peepholes): Likewise.
7364 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7365 (*subsi_3, *subhi_3, *subqi_3): Remove.
7366 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7367 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7368 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7369 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7370 (x86_shift_adj_1): Use CCZ.
7371 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7373 2000-03-27 Stan Cox <scox@cygnus.com>
7375 * resource.h (mark_resource_type): New.
7376 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7377 find_free_register): Use mark_resource_type.
7378 (mark_set_resources): Change include_delayed_effects
7379 to mark_resource_type.
7380 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7381 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7382 Use mark_resource_type.
7384 2000-03-27 Richard Henderson <rth@cygnus.com>
7386 * i386.md (call_pop_0, call_value_pop_0): New.
7387 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7388 (call_value_pop_1): Likewise.
7389 (call_0, call_value_0): New.
7390 (call_1, call_value_1): Remove constraint from unused arg.
7392 2000-03-27 Nick Clifton <nickc@cygnus.com>
7394 * invoke.texi (Spec Files): Document new spec % command created by
7395 Tom Tromey's recent patch.
7397 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7399 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7402 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7404 * expr.c (expand_assignment): Fix typo in last change.
7406 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7408 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7411 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7412 and DECL_INLINE if FUNCTION_DECL.
7413 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7414 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7415 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7416 (combine_parm_decls): Likewise.
7417 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7418 * print-tree.c (print_node): Likewise.
7419 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7420 DECL_TRANSPARENT_UNION on proper decl types.
7421 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7422 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7423 DECL_BIT_FIELD of FIELD_DECL.
7424 * tree.h (DECL_RESULT_FLD): New macro.
7426 * expr.c (expand_assignment): Add code to handle variable-sized
7429 2000-03-26 Richard Henderson <rth@cygnus.com>
7431 * calls.c (expand_call): Pass parms not original exp to
7432 optimize_tail_recursion. Mind return value instead of looking
7434 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7435 call_expr. Move checks for call_expr and current_function_decl ...
7436 (expand_return): ... here.
7438 2000-03-26 Tom Tromey <tromey@cygnus.com>
7440 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7441 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7443 (process_command): Use them.
7444 (check_live_switch): Likewise.
7445 (give_switch): Skip ignored switches.
7447 2000-03-26 Jan Hubicka <jh@suse.cz>
7449 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7450 for minimal jump pass test.
7452 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7454 * integrate.c (function_cannot_inline_p): Do inline functions that
7457 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7459 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7460 now a list of TREE_LIST entries, not types.
7461 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7463 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7464 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7466 * config/mips/mips.c (function_arg): Likewise; also remove cast
7467 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7468 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7469 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7470 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7471 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7472 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7473 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7474 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7475 num_adjusts now unsigned.
7476 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7477 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7479 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7480 as is BITPOS variable; use host_integerp and int_bit_position.
7481 (function_arg_record_value_2): Likewise.
7482 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7483 Variable REGNO now unsigned.
7484 (function_arg_record_value): NREGS now unsigned.
7486 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7488 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7490 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7492 * Rework fields used to describe positions of bitfields and
7493 modify sizes to be unsigned and use HOST_WIDE_INT.
7494 * alias.c (reg_known_value_size): Now unsigned.
7495 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7496 (really_start_incremental_init): Use bitsize_zero_node.
7497 (push_init_level, pop_init_level, output_init_element): Likewise.
7498 Use bitsize_unit_node and bitsize_one_node.
7499 (output_pending_init_elements, process_init_element): Likewise.
7500 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7501 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7502 HOST_WIDE_INT, respectively.
7503 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7504 (num_sign_bit_copies): Returns unsigned.
7505 BITWIDTH now unsigned; rework arithmetic.
7506 Remove recursive call from arg to MAX.
7507 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7508 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7510 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7511 (find_split_point, expand_compound_operation, make_extraction): LEN
7512 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7513 (make_field_assignment): Likewise.
7514 (combine_simplify_rtx): Add cast.
7515 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7516 (force_to_mode): WIDTH now unsigned; add cast.
7517 (if_then_else_cond): SIZE now unsigned.
7518 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7519 (extended_count): Now returns unsigned.
7520 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7521 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7522 (simplify_comparison): MODE_WIDTH now unsigned.
7523 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7524 (mark_used_regs_combine): Likewise; rework arithmetic.
7525 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7526 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7527 (record_promoted_value): REGNO now unsigned.
7528 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7529 (get_last_value): REGNO now unsigned.
7530 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7531 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7532 (remove_death): Arg REGNO now unsigned.
7533 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7534 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7536 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7537 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7538 (struct cse_reg_info): REGNO now unsigned.
7539 (cached_regno): Now unsigned.
7540 (REGNO_QTY_VALID_P): Add cast.
7541 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7542 (remove_invalid_regs): Likewise.
7543 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7544 as are variables END and I.
7545 (get_cse_reg_info, insert): Likewise.
7546 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7547 (canon_hash): Likewise.
7548 (insert_regs, lookup_for_remove): REGNO now unsigned.
7549 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7551 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7552 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7553 * emit-rtl.c (subreg_realpart_p): Add cast.
7554 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7555 (operand_subword_force): Arg I is now unsigned.
7556 * except.c (eh_regs): Variable I is now unsigned.
7557 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7558 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7559 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7560 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7561 (extract_split_bit_field, store_bit_field, extract_bit_field):
7563 * expr.c (store_constructor_fields, store_constructor, store_field):
7564 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7565 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7566 (do_jump): Likewise.
7567 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7568 MAX_SIZE is now unsigned.
7569 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7570 (emit_group_store): Likewise.
7571 (emit_move_insn): I now unsigned.
7572 (store_constructor): Use host_integerp, tree_low_cst, and
7574 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7575 Rework all calculations to use trees and new fields.
7576 * expr.h (promoted_input_arg): Regno now unsigned.
7577 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7578 (mark_seen_cases): Arg is HOST_WIDE_INT.
7579 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7580 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7581 precisions and alignments are unsigned.
7582 (optimize_bit_field_compare, fold_truthop): Likewise.
7583 (int_const_binop): Adjust threshold for size_int_type_wide call.
7584 (fold_convert): Likewise.
7585 (size_int_type_wide): Make table larger and fix thinko that only
7586 had half of table used.
7587 (all_ones_mask_p, fold): Precisions are unsigned.
7588 * function.c (put_reg_info_stack): REGNO is unsigned.
7589 (instantiate_decl): Size is HOST_WIDE_INT.
7590 (instantiate_virtual_regs): I is unsigned.
7591 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7592 (promoted_input_arg): REGNO is unsigned.
7593 * function.h (struct function): x_max_parm_reg is now unsigned.
7594 * gcse.c (max_gcse_regno): Now unsigned.
7595 (struct null_pointer_info): min_reg and max_reg now unsigned.
7596 (lookup_set, next_set): REGNO arg now unsigned.
7597 (compute_hash_table): REGNO and I now unsigned.
7598 (handle_avail_expr): regnum_for_replacing now unsigned.
7599 (cprop_insn): REGNO now unsigned.
7600 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7601 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7602 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7603 * hard-reg-set.h (reg_class_size): Now unsigned.
7604 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7605 * jump.c (mark_modified_reg): I now unsigned; add cast.
7606 (rtx_equal_for_thread_p): Add cast.
7607 * loop.c (max_reg_before_loop): Now unsigned.
7608 (struct_movable): REGNO now unsigned.
7609 (try_copy_prop): REGNO arg unsigned.
7610 (regs_match_p): XN and YN now unsigned.
7611 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7612 (strength_reduce): Likewise; NREGS also unsigned.
7613 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7614 * loop.h (struct iv_class): REGNO now unsigned.
7615 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7617 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7618 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7619 * optabs.c (expand_binop): I and NWORDS now unsigned.
7620 (expand_unop): I now unsigned.
7621 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7622 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7623 * real.c (significand_size): Now returns unsigned.
7624 * real.h (significand_size): Likewise.
7625 * regclass.c (reg_class_size): Now unsigned.
7626 (choose_hard_reg_mode): Both operands now unsigned.
7627 (record_reg_classes): REGNO and NR now unsigned.
7628 (reg_scan): NREGS now unsigned.
7629 (reg_scan_update): old_max_regno now unsigned.
7630 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7631 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7632 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7633 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7634 Likewise for variable R.
7635 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7636 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7637 (find_equiv_reg): Add casts.
7638 (regno_clobbered_p): Arg REGNO now unsigned.
7639 * reload.h (struct reload): NREGS now unsigned.
7640 (refers_to_regno_for_reload_p): Regno args are unsigned.
7641 (regno_clobbered_p): Likewise.
7642 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7643 (compute_use_by_pseudos): REGNO now unsigned.
7644 (find_reg): I and J now unsigned, new variable K, and change loop
7645 variables accordingly; THIS_NREGS now unsigned.
7646 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7647 (spill_hard_reg): REGNO arg now unsigned; add casts.
7648 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7649 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7650 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7651 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7652 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7653 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7654 (emit_reload_insns): REGNO now unsigned.
7655 (reload_cse_move2add): Add cast.
7656 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7658 * resource.c (mark_referenced_resources, mark_set_resources): New
7659 variable R; REGNO and LAST_REGNO now unsigned.
7660 (mark_target_live_regs): J and REGNO now unsigned.
7661 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7662 * rtl.h (union rtunion_def): New field rtuint.
7663 (XCUINT): New macro.
7664 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7665 (operand_subword, operand_subword_force): Word number is unsigned.
7666 (choose_hard_reg_mode): Operands are unsigned.
7667 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7668 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7669 (regno_use_in, combine_instructions, remove_death): Likewise.
7670 (reg_scan, reg_scan_update): Likewise.
7671 (extended_count): Return is unsigned.
7672 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7673 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7674 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7675 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7676 (reg_reg_last_1): FIRS and LAST now unsigned.
7677 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7678 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7680 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7681 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7682 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7683 (replace_regs): Arg NREGS now unsigned.
7684 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7685 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7686 (simplify_binary_operation): Likewise.
7687 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7688 THIS_LAST now unsigned.
7689 (cselib_record_set): Add cast.
7690 * ssa.c (ssa_max_reg_num): Now unsigned.
7691 (rename_block): REGNO now unsigned.
7692 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7694 (all_cases_count): Just return -1 not -2.
7695 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7696 Rework tests to use trees whenever possible.
7697 Use host_integerp and tree_low_cst.
7698 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7699 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7700 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7701 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7702 (smallest_mode_for_size): Likewise.
7703 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7704 KNOWN_ALIGN is now an alignment, so simplify code.
7705 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7706 (start_record_layout): Renamed from new_record_layout_info.
7707 Update to new fields.
7708 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7710 (place_union_field): Renamed from layout_union_field.
7711 Update to use new fields in rli.
7712 (place_field): Renamed from layout_field.
7713 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7714 (finalize_record_size): Rework to use new fields in rli and handle
7716 (compute_record_mode): Rework to simplify and to use new DECL fields.
7717 (finalize_type_size): Make rounding more consistent.
7718 (finish_union_layout): Deleted.
7719 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7720 (layout_type, case RECORD_TYPE): Call new function names.
7721 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7722 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7723 (get_best_mode): UNIT is now unsigned; remove casts.
7724 * tree.c (bit_position): Compute from new fields.
7725 (byte_position, int_byte_position): New functions.
7726 (print_type_hash_statistics): Cast to remove warning.
7727 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7728 (build_index_type): Likewise; make subtype of sizetype.
7729 (build_index_2_type): Pass sizetype to build_range_type.
7730 (build_common_tree_nodes): Use size_int and bitsize_int to
7731 initialize nodes; add bitsize_{zero,one,unit}_node.
7732 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7733 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7734 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7735 (DECL_FIELD_BITPOS): Deleted.
7736 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7737 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7738 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7739 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7740 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7741 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7742 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7743 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7744 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7745 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7746 (DECL_ALIGN): Adjust to new field in union.
7747 (DECL_OFFSET_ALIGN): New field.
7748 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7749 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7750 (union tree_decl): Add struct for both aligns.
7751 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7752 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7753 (struct record_layout_info): Rework fields to have offset
7754 alignment and byte and bit position.
7755 (start_record_layout, place_field): Renamed from old names.
7756 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7757 (byte_position, int_byte_position): Likewise.
7758 (get_inner_reference): Change types of position and length.
7759 * unroll.c (unroll_loop): New variable R; use for some loops.
7760 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7761 (calculate_giv_inc): Arg REGNO now unsigned.
7762 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7763 * varasm.c (assemble_variable): Clean up handling of size using
7764 host_integerp and tree_low_cst.
7765 (decode_addr_const): Use byte, not bit, position.
7766 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7767 use tree_low_cst and int_bit_position.
7768 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7770 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7772 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7773 (reorder_block_def): New members eff_head and eff_end.
7774 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7775 (verify_insn_chain): New function.
7776 (skip_insns_between_block): Add code to skip deleted insns.
7777 Check for note before using.
7778 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7779 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7780 Check for note before using.
7781 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7782 (fixup_reorder_chain): Restructure, clean up, defect removal.
7783 (reorder_basic_blocks): Remove last_insn and references to it.
7784 Moved insn chain verification code into a new function (see above).
7785 Delete defective code that sets last insn.
7786 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7789 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7791 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7793 2000-03-24 Richard Henderson <rth@cygnus.com>
7795 * tree.c (lang_safe_for_unsave): Remove.
7796 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7797 allowing for two levels of unsafeness. Remove lang hook.
7798 * tree.h: Update declarations.
7799 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7800 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7801 Always fail sibcalls when there are pending cleanups.
7803 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7805 * flow.c (propagate_block): When we delete an ADDR_VEC,
7806 also delete the BARRIER following it if there is one.
7808 2000-03-24 Richard Henderson <rth@cygnus.com>
7810 * builtins.c (expand_builtin_bzero): Convert `length' argument
7813 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7815 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7816 comparison if regno's are equal.
7817 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7818 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7819 (expand_call): Update caller.
7820 Avoid making a sibling call if argument size of the callee is larger
7821 than argument size of the caller.
7822 Call hard_function_value with outgoing set if in sibcall pass.
7823 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7825 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7826 Change LEAF_REGISTERS from an array initializer to actual array
7827 identifier. Move static global variable into the function.
7828 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7829 sequences for leaf functions.
7830 * global.c (global_alloc): Likewise.
7831 * tm.texi (LEAF_REGISTERS): Update documentation.
7833 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7834 TARGET_FLAT leaf disabling hack.
7835 (LEAF_REGISTERS): Changed from an array initializer to actual array
7836 identifier to avoid duplication and remove the above hack.
7837 (FUNCTION_OK_FOR_SIBCALL): Define.
7838 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7839 always like call attribute.
7840 (eligible_for_sibcall_delay): New attribute.
7841 (sibcall): New delay type.
7842 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7843 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7844 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7845 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7846 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7848 (output_function_epilogue): Move part of the code into
7849 output_restore_regs.
7850 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7852 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7855 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7856 until infrastructure is finished.
7858 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7860 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7861 (save_parm_insns): Not here.
7863 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7865 * builtins.c (expand_builtin_bzero): New function.
7866 (expand_builtin): Handle bzero.
7868 * builtins.def: Add BUILT_IN_BZERO.
7870 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7871 prototype & function for bzero.
7873 2000-03-23 Michael Meissner <meissner@redhat.com>
7875 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7876 change adding TARGET_FP to the TF floating point insns, except for
7877 trunctfsf2, which generates direct calls to truncdfsf2.
7879 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7881 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7882 try to protect against middle-end changes that break binary
7884 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7886 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7888 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7890 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7892 * calls.c (expand_call): If TARGET is passed by reference and
7893 is readonly, write a CLOBBER.
7895 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7897 * builtins.c (expand_builtin): Handle bcmp.
7899 * builtins.def: Add BUILT_IN_BCMP.
7901 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7902 prototype & function for bcmp.
7904 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
7906 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
7907 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
7908 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
7910 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
7912 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
7913 alternative when using -fp64 -gp32.
7915 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7917 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
7918 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
7919 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
7921 * frame.h (frame_state): Revert last change.
7922 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
7923 * libgcc2.c (throw_helper): Revert last change.
7925 2000-03-22 Richard Henderson <rth@cygnus.com>
7927 * stmt.c (expand_asm_operands): Don't promote the temporary.
7929 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
7931 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
7932 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
7933 c_get_alias_set): Likewise.
7934 * c-decl.c (duplicate_decls): Likewise.
7935 * c-typeck.c (default_conversion,build_unary_op): Likewise.
7936 * calls.c (initialize_argument_information): Likewise.
7937 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
7939 * dwarfout.c (decl_class_context,output_type): Likewise.
7940 * expr.c (get_inner_reference): Likewise.
7941 * fold-const.c (simple_operand_p,fold): Likewise.
7942 * function.c (aggregate_value_p): Likewise.
7943 * stmt.c (expand_asm_operands): Likewise.
7944 * varasm.c (named_section): Likewise.
7946 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
7948 Implement dwarf2 exception handling for the ARM.
7949 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
7950 (DWARF_FRAME_RETURN_COLUMN): Define.
7951 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
7952 REG_FRAME_RELATED_EXPR note.
7953 (emit_sfm): Likewise.
7954 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
7955 * dwarf2out.c (reg_save): Handle saving a register to itself.
7956 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
7957 * except.c (eh_regs): Don't use the static chain reg if it's
7959 * frame.h (frame_state): Add cfa_saved field.
7960 * frame.c (execute_cfa_insn): Set it.
7961 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
7963 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
7965 (instantiate_virtual_regs): Adjust.
7967 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7968 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
7969 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
7971 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
7972 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
7974 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7976 * builtins.def: New file.
7978 * Makefile.in (TREE_H): Depend on builtins.def.
7980 * builtins.c (built_in_names): Use builtins.def.
7982 * tree.h (built_in_function): Likewise.
7984 2000-03-22 Mark Mitchell <mark@codesourcery.com>
7986 * tree.c (size_in_bytes): Return size_zero_node, not
7989 2000-03-22 Geoff Keating <geoffk@cygnus.com>
7991 * config/fp-bit.c (pack_d): Correct the case when a denormal
7992 is rounded up and stops being denormal.
7994 2000-03-21 Richard Henderson <rth@cygnus.com>
7996 * config/alpha/alpha.c (function_arg): Check for void_type_node
7997 before using MUST_PASS_IN_STACK.
7999 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8001 * regmove.c (combine_stack_adjustments_for_block): Check that
8002 the stack pointer is a valid memory address.
8004 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8006 * calls.c: re-install Mar 16 emit_library_call merge.
8008 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8010 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8011 we cannot be sure that if reload_completed base register will
8012 be properly aligned.
8014 2000-03-21 Richard Henderson <rth@cygnus.com>
8016 * flow.c (delete_block): Fix typo last change.
8018 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8020 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8021 not COMPLETE_TYPE_P, to check the type of the expression.
8023 2000-03-21 Michael Meissner <meissner@redhat.com>
8025 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8026 all floating point insns that just tested the macro
8027 TARGET_HAS_XFLOATING_LIBS.
8028 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8029 used to only use the gprs.
8031 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8033 * tree.h (COMPLETE_TYPE_P): New macro.
8034 (COMPLETE_OR_VOID_TYPE_P): New macro.
8035 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8036 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8037 * c-aux-info.c (gen_type): Use them.
8038 * c-common.c (c_expand_expr_stmt): Likewise.
8039 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8040 grokdeclarator, grokparms, finish_struct, start_function,
8041 store_parm_decls, combine_parm_decls): Likewise.
8042 * c-parse.y (cast_expr): Likewise.
8043 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8044 c_size_in_bytes, c_alignof, build_component_ref,
8045 build_indirect_ref, build_array_ref, convert_arguments,
8046 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8047 * calls.c (initialize_argument_information): Likewise.
8048 * convert.c (convert_to_integer): Likewise.
8049 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8050 * dwarfout.c (location_or_const_value_attribute,
8051 output_enumeration_type_die, output_structure_type_die,
8052 output_union_type_die, output_type): Likewise.
8053 * expr.c (safe_from_p, expand_expr): Likewise.
8054 * function.c (assign_parms): Likewise.
8055 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8056 * tree.c (build_array_type, build_function_type,
8057 build_method_type, build_offset_type, build_complex_type): Likewise.
8058 * c-parse.c, c-parse.h: Regenerated.
8060 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8062 * config/c4x/rtems.h: Include config/rtems.h.
8064 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8066 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8067 decl is a FUNCTION_DECL
8069 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8071 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8072 function uses output registers. Don't save RP for leaf functions.
8073 Do save RP even if no epilogue.
8074 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8075 (CALL_USED_REGISTERS): Unmark in registers.
8076 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8079 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8081 * config/rs6000/rs6000.md (bunordered): New expander.
8082 (bordered): New expander.
8083 (buneq): New expander.
8084 (bunge): New expander.
8085 (bungt): New expander.
8086 (bunle): New expander.
8087 (bunlt): New expander.
8088 (bltgt): New expander.
8090 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8091 (ccr_bit_negated_p): New function.
8092 (print_operand): For %C, generate appropriate cror for UNEQ,
8093 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8095 2000-03-20 Andreas Jaeger <aj@suse.de>
8097 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8100 * tree.h (safe_for_unsave): Prototype.
8102 2000-03-20 Richard Henderson <rth@cygnus.com>
8104 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8105 (combine_stack_adjustments_for_block): Don't allow sp references
8106 in the side of a set we're not fixing up.
8107 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8108 after life_analysis.
8110 2000-03-20 Richard Henderson <rth@cygnus.com>
8112 * calls.c (expand_call): Don't bother generating tail call
8113 sequences if there are pending cleanups. Use
8114 expand_start_target_temps/expand_end_target_temps to elide
8115 cleanups created during sibcall expansion.
8117 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8119 * configure.in: Set $IFS to a value if it doesn't already have one
8120 in the --enable-checking handling.
8121 * configure: Regenerate.
8123 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8125 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8126 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8129 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8131 * jump.c (delete_noop_moves): Remove code attempting to
8132 combine stack adjustments.
8134 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8136 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8137 * except.c (emit_cleanup_handler): Use them.
8138 (expand_end_all_catch): Likewise.
8139 * function.c (fixup_var_refs): Likewise.
8140 (expand_function_end): Clear catch_clauses_last.
8141 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8142 * except.h (struct eh_status): New field x_catch_clauses_last.
8143 (catch_clauses_last): New define.
8145 * Makefile.in (tree.o): Depend on HASHTAB_H.
8146 * tree.c: Include hashtab.h.
8147 (struct type_hash): Remove next field.
8148 (TYPE_HASH_SIZE): Remove.
8149 (TYPE_HASH_INITIAL_SIZE): New define.
8150 (type_hash_table): Change type to htab_t.
8151 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8152 mark_hash_entry): New functions.
8153 (init_obstacks): Allocate type hash.
8154 (type_hash_lookup): Use htab functions.
8155 (type_hash_add, mark_type_hash): Likewise.
8156 (dump_tree_statistics): Call print_type_hash_statistics.
8158 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8160 * rs6000/t-aix41: New file.
8162 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8164 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8166 * tm.texi (Driver): Fix typos and tweak entry for
8168 Move misplaced STRUCT_FORCE_BLK entry ...
8169 (Storage Layout): ... to here.
8170 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8172 2000-03-19 Richard Henderson <rth@cygnus.com>
8174 * flow.c (delete_block): Delete the addr_vec along with the block.
8175 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8178 * fold-const.c (extract_muldiv): Apply type check for defined
8179 overflow to multiply as well as divide.
8181 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8183 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8185 * emit-rtl.c (remove_unncessary_notes): Check that all
8186 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8187 associated NOTE_BLOCK.
8188 * function.h (identify_blocks): Update comments.
8189 (reorder_blocks): Declare.
8190 * function.c (identify_blocks): Don't take paramters.
8191 (reorder_blocks): Don't take parameters.
8192 * loop.h (find_loop_tree_blocks): Remove.
8193 (unroll_block_trees): Likewise.
8194 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8195 reorder_blocks instead of unroll_block_trees.h
8196 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8197 * stmt.c (find_loop_tree_blocks): Remove.
8198 (unroll_block_trees): Likewise.
8199 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8200 in whole-function mode.
8201 * tree.h (reorder_blocks): Remove declaration.
8203 * expr.c: Include intl.h.
8204 * Makefile.in (expr.o): Depend on intl.h.
8206 2000-03-18 Richard Henderson <rth@cygnus.com>
8208 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8210 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8212 * tree.h (tree_index): Remove enumerals for integer types.
8213 (integer_type_kind): New type.
8214 (integer_types): New variable.
8215 (char_type_node): Adjust.
8216 (signed_char_type_node): Likewise.
8217 (unsigned_char_type_node): Likewise.
8218 (short_integer_type_node): Likewise.
8219 (short_unsigned_type_node): Likewise.
8220 (integer_type_node): Likewise.
8221 (unsigned_type_node): Likewise.
8222 (long_integer_type_node): Likewise.
8223 (long_unsigned_type_node): Likewise.
8224 (long_long_integer_type_node): Likewise.
8225 (long_long_unsigned_type_node): Likewise.
8226 * tree.c (integer_types): New variable.
8227 (init_obstacks): Register it as a root.
8229 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8231 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8232 NEXT_INSN. Update last insn in chain.
8234 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8236 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8237 with TYPE_DECL_SUPPRESS_DEBUG set.
8239 2000-03-18 Richard Henderson <rth@cygnus.com>
8241 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8243 2000-03-18 Richard Henderson <rth@cygnus.com>
8245 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8246 care for HALF_PIC_P.
8247 (expander_call_insn_operand): Remove.
8248 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8249 * i386.h (PREDICATE_CODES): Update.
8250 * i386.md (all call expanders): Remove predicates, remove special
8251 handling for half-pic.
8252 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8253 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8254 (sibcall_epilogue): New.
8256 2000-03-17 Richard Henderson <rth@cygnus.com>
8258 * rtlanal.c (single_set): Reject if the parallel has anything
8259 except SET or USE or CLOBBER.
8261 2000-03-17 Jeff Law <law@cygnus.com>
8262 Richard Henderson <rth@cygnus.com>
8264 * Makefile.in (OBJS): Add sibcall.o.
8266 * sibcall.c: New file.
8267 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8268 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8269 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8270 Emit sibcall patterns when requested. Update all callers.
8271 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8272 elimination seems feasable.
8273 * final.c (leaf_function_p): Sibling calls don't discount being
8275 * flow.c (HAVE_sibcall_epilogue): Provide default.
8276 (find_basic_blocks_1): Sibling calls don't throw.
8277 (make_edges): Make edge from sibling call to EXIT.
8278 (propagate_block): Don't remove sibcall_epilogue insns.
8279 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8280 (sibcall_epilogue): New.
8281 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8282 (identify_blocks_1): Likewise. Break out from ...
8283 (identify_blocks): ... here.
8284 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8285 (reorder_blocks): ... here.
8286 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8287 (record_insns): Extend a varray instead of mallocing new memory.
8288 (contains): Read a varray not array of ints.
8289 (sibcall_epilogue_contains): New.
8290 (thread_prologue_and_epilogue_insns): Emit and record
8291 sibcall_epilogue patterns.
8292 (init_function_once): Allocate prologue/epilogue varrays.
8293 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8294 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8296 (save_for_inline_nocopy): ... here.
8297 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8299 (expand_inline_function): ... here.
8300 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8301 (subst_constants): Handle 'n' formats.
8302 * jump.c (jump_optimize_minimal): New.
8303 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8304 optimizations if it's set.
8305 * rtl.c (copy_rtx): Do copy jump & call for insns.
8306 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8307 (SIBLING_CALL_P): New.
8308 (sibcall_use_t): New.
8309 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8310 Invoke optimize_sibling_and_tail_recursive_calls.
8311 * tree.c (lang_safe_for_unsave): New.
8312 (safe_for_unsave): New.
8313 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8315 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8316 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8317 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8319 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8321 * objc/objc-act.c (encode_method_prototype): Pass types, not
8322 PARM_DECLs, to int_size_in_bytes.
8324 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8326 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8328 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8329 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8331 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8333 * Clean up usages of TREE_INT_CST_LOW.
8334 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8335 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8337 * c-tree.h (min_precision): Move declaration to here.
8338 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8339 (build_unary_op, add_pending_init): Use bit_position.
8340 (pending_init_member, process_init_element): Likewise.
8341 (really_start_incremental_init, push_init_level, pop_init_level):
8342 Don't make copies of nodes or modify them in place, use consistent
8343 types when tracking positions, and use tree routines computations.
8344 (set_init_index, output_init_element): Likewise.
8345 (output_pending_init_elements, process_init_element): Likewise.
8346 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8347 tree_low_cst and int_bit_position; also minor cleanup.
8348 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8349 (print_cst_octal): Precision is unsigned.
8350 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8351 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8352 (simple_type_align_in_bits): Result is unsigned int.
8353 Use tree_int_low_cst and host_integerp.
8354 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8355 (field_byte_offset): Result is HOST_WIDE_INT.
8356 Change types of internal variables so alignments are unsigned int,
8357 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8358 Use host_integerp, tree_low_cst, and int_bit_position.
8359 (add_bit_offset_attribute): Likewise.
8360 (add_data_member_location_attribute): Use tree_cst_low.
8361 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8362 (add_bit_size_attribute): Use tree_low_cst.
8363 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8364 * dwarfout.c: Similar changes to dwarf2out.c.
8365 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8366 * genoutput.c (n_occurences): Return -1 for null string.
8367 (strip_whitespace): Accept null string and make into function.
8368 (scan_operands): Reflect above changes.
8369 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8370 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8371 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8372 * tree.c (int_size_in_bytes): Check for too big to represent.
8373 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8374 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8376 (min_precision): Delete from here.
8377 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8378 and int_bit_position.
8379 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8380 (encode_method_def): Likewise.
8381 (build_ivar_list_initializer): Use int_bit_position.
8382 (generate_shared_structures): Convert size.
8383 (encode_type, encode_complete_bitfield): Use integer_zerop.
8384 (encode_bitfield): Use tree_low_cst and int_bit_position.
8386 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8388 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8390 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8392 * call.c (special_function_p): It is only malloc if it returns
8395 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8397 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8398 (C33_FLAG, TARGET_C3X): Add macros.
8399 (TARGET_SWITCHES): Add -m33 option.
8400 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8402 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8404 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8405 (PARALLEL_PACK_FLAG): Delete.
8406 (TARGET_SWITCHES): Update.
8407 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8409 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8411 * fold-const.c (fold): Fix a few cases when the returned result
8412 is not of the same type as the input.
8414 2000-03-16 Nick Clifton <nickc@cygnus.com>
8416 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8419 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8421 * libgcc2.h: Move prototypes above macros with the same name.
8422 Wrap some function prototypes in the conditional which indicates
8423 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8425 2000-03-16 Richard Henderson <rth@cygnus.com>
8427 * calls.c: Revert last two changes.
8429 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8431 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8432 has exponent 0 is a zero.
8434 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8435 HASH may already be nonzero. Add code/mode into hash value
8436 immediately after repeat label.
8437 (cselib_lookup): Don't leave the hash table in an inconsistent
8438 state before a hash lookup operation.
8440 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8442 * i386.md (all HI and QI mode non-move patterns): Conditionize
8443 by TARGET_[HQ]IMODE_MATH.
8444 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8445 x86_promote_qi_regs): Declare.
8446 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8447 TARGET_PROMOTE_QI_REGS): New macros.
8448 (PROMOTE_MODE): New macro.
8449 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8450 x86_promote_qi_regs): New global variables.
8452 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8454 * calls.c (emit_library_call_value_1): Break out from ...; handle
8455 VOIDmode function calls too.
8456 (emit_library_call_value): ... here.
8457 (emit_library_call): Implement by calling emit_library_call_value_1.
8459 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8461 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8462 Update arg_space_so_far on stack adjustments.
8463 (emit_library_call, emit_library_call_value): Likewise; take into
8464 account arg_space_so_far and pending_stack_adjust when calculcating
8467 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8469 * flow.c: Move all basic block reordering code into its own file.
8470 (create_basic_block): Externalize.
8471 * bb-reorder.c: New file. Copy all basic block reordering code from
8472 flow.c to this file.
8473 (reorder_basic_blocks): Fix fencepost error in for-loop.
8474 (reorder_basic_blocks): Remove braces from single statement for-loops.
8475 * basic-block.h: Add declaration for create_basic_block.
8476 * Makefile.in: Add rules for bb-reorder.o.
8478 2000-03-16 Neil Booth <NeilB@earthling.net>
8480 * cppinit.c (handle_option): Implement #unassert directive
8481 as -A- command line option.
8482 (print_help): Update.
8483 * cpptexi.c: Update.
8485 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8487 * md.texi (Standard Names): Document `jump'.
8489 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8491 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8494 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8496 Merge changes from newppc-branch onto trunk.
8498 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8500 * rs6000.c (toc_hash_table): Update for new hash table functions.
8501 (toc_hash_function): Likewise.
8502 (toc_hash_eq): Likewise.
8503 (toc_hash_mark_entry): Likewise.
8504 (toc_hash_mark_table): Likewise.
8505 (output_toc): Likewise.
8506 (rs6000_add_gc_roots): Likewise.
8508 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8510 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8511 (AR_FLAGS_FOR_TARGET): here. New macro.
8513 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8515 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8516 fpmem_operand) Delete.
8518 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8519 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8520 (rs6000_save_machine_status, rs6000_restore_machine_status,
8521 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8522 references to above variables.
8523 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8524 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8525 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8526 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8527 (XER_REGNO_P, XER_REGNO): New.
8528 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8529 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8530 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8532 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8533 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8534 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8536 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8538 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8539 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8540 * rs6000.h: from here.
8542 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8543 (rs6000_select_rtx_section): Likewise.
8544 (rs6000_encode_section_info): Likewise.
8545 (sdata_section): Likewise.
8546 (sdata2_section): Likewise.
8547 (sbss_section): Likewise.
8548 * sysv4.h (rs6000_select_section): Delete prototype.
8549 (rs6000_select_rtx_section): Likewise.
8550 (rs6000_encode_section_info): Likewise.
8551 (sdata_section): Likewise.
8552 (sdata2_section): Likewise.
8553 (sbss_section): Likewise.
8554 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8556 * sysv4.h: Delete various unnecessary #undef's and put a comment
8557 on the remaining ones.
8558 Change various comments according to coding standard.
8560 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8562 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8563 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8564 (CR0_REGNO_P) Remove.
8565 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8566 setup_incoming_varargs, mtcrf_operation, print_operand,
8567 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8568 Use the above macros.
8570 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8572 * config/rs6000/rs6000.md: Added a new alternative for each
8573 pattern that had a 'x' alternative but no 'y' alternative.
8574 Added a new split for each of the above patterns.
8576 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8578 * aix41.h (ASM_CPU_SPEC): Delete.
8579 (CPP_CPU_SPEC): Delete.
8581 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8582 (ASM_OUTPUT_LABEL): Define.
8583 (ASM_GLOBALIZE_LABEL): Define.
8584 (STRIP_NAME_ENCODING): Define.
8585 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8586 (STRIP_NAME_ENCODING): Don't define.
8587 (ASM_OUTPUT_LABEL): Don't define.
8588 (ASM_GLOBALIZE_LABEL): Don't define.
8589 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8590 names, and ASM_OUTPUT_LABEL to output labels, rather than
8592 (ASM_OUTPUT_LABEL): Define.
8593 (ASM_OUTPUT_INT): Use assemble_name.
8594 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8595 (STRIP_NAME_ENCODING): Don't undefine first.
8596 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8598 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8599 specified with 'asm' even with -fleading-underscore.
8600 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8601 (output_epilog): Likewise.
8602 (output_toc): Likewise.
8603 * tramp.asm: Handle -fleading-underscore correctly.
8605 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8607 (nonlocal_goto_receiver): Delete.
8608 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8610 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8611 (SET_ASM_OP): Define.
8612 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8614 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8617 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8618 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8620 * rs6000.h: Add 'u' to more constants.
8622 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8624 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8626 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8628 * rs6000.c (reg_or_u_cint_operand): New function.
8629 (logical_operand): Handle 64-bit hosts.
8630 (logical_u_operand): New function.
8631 (non_logical_cint_operand): Handle 64-bit hosts.
8632 (non_logical_u_cint_operand): New function.
8633 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8634 (PREDICATE_CODES): Define new functions.
8635 * rs6000-protos.h: Declare new functions.
8636 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8637 (movdi_64): Bracket code intended for 64-bit hosts. Create
8638 CONST_DOUBLE for 32-bit values.
8639 (scc insns): Generate DImode compares.
8640 (mfcr insns): Create DImode versions.
8641 (sge matchers): New patterns.
8643 2000-02-15 Gabriel Paubert <paubert@iram.es>
8645 * rs6000.md: Correct instructions length attributes and
8646 constraints on unsigned compare instructions.
8647 (*ne0): Disable for PowerPC64.
8649 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8651 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8652 quantity, fix profile1.C test failure under -fPIC.
8654 * rs6000.c: Add 'u' to many constants to suppress warnings.
8655 (constant_pool_expr_1): Make static.
8656 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8657 * rs6000.h: Add 'u' to many constants to suppress warnings.
8659 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8660 for the start of the TOC, instead of LCTOC..0.
8661 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8663 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8664 (load_toc_aix_di): Use LCTOC..1.
8666 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8667 * rs6000.c (rs6000_legitimize_address): New function from
8668 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8669 symbols in the constant pool that really are TOC references.
8670 (print_operand_address): For ELF, write TOC offsets under
8671 -fPIC as subtractions in the insn.
8672 (output_toc): For ELF, define symbols in TOC as normal labels,
8674 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8675 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8676 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8677 * rs6000.md (movsi): Only use create_TOC_reference on
8678 symbols in the constant pool that really are TOC references.
8680 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8681 * rs6000.c (rs6000_reorg): Delete.
8682 * rs6000-protos.h (rs6000_reorg): Delete.
8684 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8686 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8688 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8689 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8690 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8691 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8692 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8693 rs6000_aix_emit_builtin_unwind_init.
8694 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8695 rs6000_emit_eh_toc_restore on AIX.
8696 (return_eh_si): Use r2.
8697 (return_eh_di): Use r2.
8699 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8700 since we're breaking binary compatibility anyway.
8702 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8704 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8705 constant_pool_expr_p): Declare them.
8706 (constant_pool_expr_p): Declare it.
8707 * config/rs6000/rs6000.c (toc_label_name): Define.
8708 (rs6000_override_options): Set toc_label_name.
8709 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8710 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8711 uses_TOC): New functions.
8712 (print_operand): Delete old '*' case.
8713 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8714 and strip off rtl for TOC before calling output_addr_const.
8715 (rs6000_emit_load_toc_table): Use toc_label_name.
8716 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8718 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8719 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8720 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8721 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8722 into explicit TOC_REGISTER offsets.
8723 (TOC_REGISTER): New macro.
8724 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8725 TARGET_TOC to reference TOC_REGISTER.
8726 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8727 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8728 uses_TOC before emitting label references.
8730 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8732 * rs6000.md (stack_tie): Fix warning.
8734 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8735 to handle -fleading-underscore.
8736 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8737 (USER_LABEL_PREFIX): New macro.
8738 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8739 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8740 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8741 call-linux can use the same multilibs.
8742 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8743 and call-linux multilibs. Do multilib with -fleading-underscore.
8744 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8745 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8748 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8749 have MASK_SOFT_FLOAT set.
8750 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8751 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8752 CPP_FLOAT_DEFAULT_SPEC.
8754 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8755 * rs6000.md: Whitespace change.
8756 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8757 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8759 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8761 * rs6000.md (eh_epilogue): New expander.
8762 (eh_reg_restore): New expand/split/insn combination.
8763 (return_eh_si): New insn.
8764 (return_eh_di): New insn.
8766 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8767 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8768 * eabi-ctors.c (__do_global_ctors): Register this object's
8769 frame. Clean up. Call atexit() after the constructors.
8770 (__do_global_dtors): Deregister this object's frame. Clean up.
8771 Allow for recursive calls to exit().
8772 * rs6000.c (fixuplabelno): New variable.
8773 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8774 TARGET_RELOCATABLE, it slows down exec() under linux.
8775 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8777 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8778 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8779 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8780 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8781 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8782 (ASM_OUTPUT_DWARF_ADDR): New macro.
8783 (ASM_OUTPUT_DWARF_DATA4): New macro.
8784 (ASM_OUTPUT_DWARF_DATA2): New macro.
8785 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8786 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8787 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8789 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8791 * rs6000.c (rs6000_sr_alias_set): New variable.
8792 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8793 (rs6000_emit_stack_tie): New function.
8794 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8795 in a way that dwarf2out can understand.
8796 (rs6000_frame_related): New function.
8797 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8798 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8799 Use rs6000_emit_stack_tie when needed.
8800 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8801 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8802 * rs6000.md (stack_tie): New insn.
8803 (return_internal_si): Allow return value to be in the count
8805 (return_internal_di): Likewise.
8807 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8809 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8811 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8813 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8815 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8817 * rs6000.md (stmw): Use the right POWER opcode.
8820 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8822 * rs6000-protos.h: New file.
8824 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8826 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8829 * sysv4.h: Likewise.
8831 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8833 * ../../configure.in: Delete powerpcle-*-winnt*
8834 and powerpcle-*-pe|powerpcle-*-cygwin*.
8835 * ../../configure: Regenerated.
8837 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8838 (TARGET_WINDOWS_NT): Delete.
8840 (CALL_NT_DLLIMPORT): Delete.
8841 Delete NT-specific code.
8842 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8845 * nt-ci.asm: Delete.
8846 * nt-cn.asm: Delete.
8847 * ntstack.asm: Delete.
8849 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8851 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8852 (ASM_FILE_START): Likewise.
8853 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8854 (ASM_OUTPUT_LABELREF): Likewise.
8855 (ASM_OUTPUT_SKIP): Likewise.
8856 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8857 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8858 (ASM_OUTPUT_CASE_LABEL): Likewise.
8859 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8860 (ASM_OUTPUT_ASCII): Likewise.
8862 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8864 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8865 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8866 increment rs6000_pic_labelno here.
8867 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8868 and increment rs6000_pic_labelno here.
8870 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8872 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8873 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8874 allocation knows (reg) is dead before the insn.
8876 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8878 * rs6000.md (movsi_to_cr): Correct typo in output template.
8880 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8882 * rs6000.c (rs6000_pic_labelno): Always define.
8883 (rs6000_pic_func_labelno): Delete.
8884 (lmw_operation): Check for a zero base register,
8885 which doesn't mean what we want.
8886 (stmw_operation): New function.
8887 (print_operand): Define new 'l' modifier.
8888 (rs6000_stack_info): We must save all 64 bits of the registers
8889 if TARGET_POWERPC64.
8890 (rs6000_output_load_toc_table): Delete.
8891 (rs6000_emit_load_toc_table): New function.
8892 (rs6000_allocate_stack_space): Delete.
8893 (rs6000_emit_allocate_stack): New function.
8894 (rs6000_emit_prologue): New function.
8895 (output_prolog): Use rs6000_emit_prologue.
8896 (rs6000_emit_epilogue): Change a few variable names to be
8897 more accurate. Restore all 64 bits of the registers if
8898 TARGET_POWERPC64. Only restore the FP registers which were used
8899 if they are being saved/restored one-at-a-time.
8900 (output_mi_thunk): Delete inefficient code generation.
8901 (output_function_profiler): Don't use rs6000_output_load_toc_table.
8902 * rs6000.h: Declare rs6000_emit_load_toc_table,
8903 rs6000_allocate_stack_space, stmw_operation. Don't declare
8904 rs6000_output_load_toc_table.
8905 * rs6000.md (elf_high): Allow register 0, but discourage it
8907 (elf_low): Support loading into register 0.
8908 (load_toc_aix_si): New pattern.
8909 (load_toc_aix_di): New pattern.
8910 (load_toc_v4_pic_si): New pattern.
8911 (load_toc_v4_pic_di): New pattern.
8912 (load_toc_v4_PIC_1): New pattern.
8913 (load_toc_v4_PIC_1b): New pattern.
8914 (load_toc_v4_PIC_2): New pattern.
8915 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
8916 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
8917 (prologue): New expander.
8918 (movesi_from_cr): New pattern.
8919 (stmw): New pattern.
8920 (save_fpregs_si): New pattern.
8921 (save_fpregs_di): New pattern.
8923 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8925 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
8930 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8932 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
8934 (movsi_got_internal): Likewise.
8935 (movsi_got_internal+1): Likewise.
8936 (set_sp): 'unspec 7' does a SImode clobber.
8938 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8940 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
8941 allocate a stack temporary.
8942 (floatsidf2_internal): Likewise.
8943 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
8945 (floatunssidf2): Don't use the fpmem "register", just
8946 allocate a stack temporary.
8947 (floatunssidf2_internal): Likewise.
8948 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
8950 (floatsidf2_loadaddr): Delete.
8951 (floatsidf2_store1): Delete.
8952 (floatsidf2_store2): Delete.
8953 (floatsidf2_load): Delete.
8954 (fix_truncdfsi2): Don't use the fpmem "register", just
8955 allocate a stack temporary.
8956 (fix_truncdfsi2_internal_si): Delete.
8957 (fix_truncdfsi2_internal_di): Delete.
8958 (fix_truncdfsi2_internal): New insn.
8959 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
8960 (fix_truncdfsi2_store): Delete.
8961 (fix_truncdfsi2_load): Delete.
8962 (fctiwz): Produce gen_fctiwz.
8964 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8966 * eabi.h (INVOKE__main): Define.
8967 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
8969 (rs6000_emit_prologue): Likewise.
8970 * rs6000.h (struct rs6000_stack): Don't keep track of whether
8971 this is the main program.
8973 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8975 * rs6000.c (rs6000_va_arg): Delete some unused variables.
8977 2000-01-19 Geoff Keating <geoffk@cygnus.com>
8979 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
8980 goes after the argument.
8982 2000-01-12 Geoff Keating <geoffk@cygnus.com>
8984 * rs6000.md: Document 'unspec' values used.
8985 (epilogue): New expander.
8986 (movesi_to_cr_one): New expander.
8987 (movesi_to_cr and following): New pattern.
8989 (return_internal_si): New pattern.
8990 (return_internal_di): New pattern.
8991 (return_and_restore_fpregs_si): New pattern.
8992 (return_and_restore_fpregs_di): New pattern.
8993 * rs6000.h: Declare new functions.
8994 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
8995 rather than rs6000_calls_p.
8996 (rs6000_makes_calls): Delete.
8997 (lmw_operation): New function.
8998 (mtcrf_operation): New function.
8999 (rs6000_emit_epilogue): New function.
9000 (output_epilog): Call rs6000_emit_epilogue and final if
9001 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9003 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9005 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9006 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9007 * aix.h (SUBTARGET_SWITCHES): Document switches.
9008 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9009 sched-prolog and sched-epilog the same. Document all the
9011 (TARGET_OPTIONS): No longer allow -mdebug-.
9013 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9015 * rs6000.h (ASM_FILE_END): Move to aix.h.
9016 (EXTRA_SECTIONS): Move to aix.h.
9017 (READONLY_DATA_SECTION): Move to aix.h.
9018 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9019 (SELECT_SECTION): Move to aix.h.
9020 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9021 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9022 (LINK_REGISTER_REGNUM): New definition.
9023 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9024 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9026 * sysv4.h: Delete the code between the inclusion of rs6000.h
9028 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9029 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9030 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9031 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9032 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9033 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9034 (fix_truncdfsi2_internal_di): New pattern.
9035 (fix_truncdfsi2_store): The second arg here is Pmode too.
9036 (fix_truncdfsi2_load): The second arg here is Pmode too.
9037 (tablejumpdi): Now that switch tables hold only SImode values,
9038 gcc needs to know how to add them to the pc which is DImode.
9039 * rs6000.c (rs6000_stack_info): Use symbolic name for
9040 LINK_REGISTER_REGNUM.
9041 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9042 (output_toc): Delete unused variables s1 and s2.
9043 (output_ascii): Use fputs not fprintf on a variable string.
9045 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9047 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9048 * aix43.h: Revert Aug 2 change.
9049 (HAS_INIT_SECTION): Define, not visible yet.
9050 (LD_INIT_SWITCH): Define, not visible yet.
9051 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9053 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9055 * config/rs6000/rtems.h: Include config/rtems.h.
9057 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9059 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9060 (SLOW_UNALIGNED_ACCESS): Define.
9061 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9062 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9063 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9064 (toc_section): Likewise and .toc pseudo-op.
9065 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9067 (TEXT_SECTION_ASM_OP): Likewise.
9068 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9071 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9073 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9074 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9077 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9079 * rs6000.h: Move more stuff from here...
9081 * sysv4.h: Cleanup accordingly.
9082 * netware.h: Likewise
9084 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9086 * rs6000.h: Continue cleanup.
9089 * netware.h: Likewise.
9091 * sysv4.h: Likewise.
9092 * win-nt.h: Likewise.
9094 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9095 (TARGET_OPTIONS): Likewise.
9097 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9098 (SUBTARGET_OPTIONS): Likewise.
9100 * rs6000.md: Fix compile time warnings.
9102 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9104 vxworks patches from the Cygnus tree originally by
9105 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9106 <vmakarov@cygnus.com>.
9107 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9108 (ENDFILE_SPEC): Likewise.
9109 (LIB_VXWORKS_SPEC): New macro.
9110 (STARTFILE_VXWORKS_SPEC): New macro.
9111 (ENDFILE_VXWORKS_SPEC): New macro.
9112 (LINK_START_VXWORKS_SPEC): New macro.
9113 (LINK_OS_VXWORKS_SPEC): New macro.
9114 (CPP_OS_VXWORKS_SPEC): New macro.
9115 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9116 * vxppc.h: Rewrite to use proper configuration method.
9117 * vxppcle.h: New file.
9118 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9119 * ../../configure: Rebuilt.
9121 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9123 Lots of changes to rs6000.h, sysv4.h, aix.h,
9124 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9125 with the aim that rs6000.h is the first header
9126 included and the others override it.
9129 * x-aix41-gld: Remove.
9131 * x-aix41: Remove target-specific switches, and don't specify
9132 -Wl,-bbigtoc as we don't need it any more.
9133 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9134 Use t-aix43 for AIX 4.3 and above.
9135 * ../../configure: Regenerated.
9137 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9138 options, that don't do anything yet.
9139 (MASK_SCHED_PROLOG): New macro.
9140 (MASK_SCHED_EPILOG): New macro.
9141 (TARGET_SCHED_PROLOG): New macro.
9142 (TARGET_SCHED_EPILOG): New macro.
9144 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9146 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9147 one per translation unit, not one per function.
9148 (output_toc): Also do duplicate constant elimination
9149 for per-translation-unit TOCs.
9151 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9152 a comment explaining _exactly_ when this pattern gets used.
9153 (builtin_setjmp_receiver): New pattern for better clarity.
9154 (init_v4_pic): Move it into a section dealing with TOC registers.
9156 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9158 * rs6000.c (toc_hash_table): New variable.
9159 (rs6000_hash_constant): New function.
9160 (toc_hash_function): New function.
9161 (toc_hash_eq): New function.
9162 (toc_hash_mark_entry): New function.
9163 (toc_hash_mark_table): New function.
9164 (output_toc): Don't output duplicate TOC entries in
9166 (rs6000_add_gc_roots): Add the hash table as a GC root.
9167 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9168 where they clearly shouldn't be. This may need to be fixed
9169 later when there is a GNU ar for AIX.
9170 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9171 Don't define BOOT_LDFLAGS as it is now not necessary.
9173 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9175 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9176 for va_list on AIX. Use unsigned_char_type_node rather than
9177 constructing our own version on svr4.
9179 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9181 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9182 since patently it's not.
9184 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9186 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9187 define_expand/define_insn pair, and handle restore of the
9188 SVR4 -fpic register.
9190 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9192 * acconfig.h (HAVE_GAS_WEAK): New define.
9193 * configure.in (assembler weak support): Check for .weak support.
9194 * config.in, configure: Rebuilt.
9195 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9196 HAVE_GAS_WEAK is defined.
9198 2000-03-15 Nick Clifton <nickc@cygnus.com>
9200 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9203 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9205 * cppfiles.c (open_include_file): New function.
9206 (find_include_file, cpp_read_file): Use it.
9208 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9210 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9212 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9214 * flow.c (verify_flow_info): Check for unconditional return.
9216 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9218 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9219 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9220 (__ia64_restore_stack_nonlocal): New.
9221 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9223 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9225 * cpphash.c (collect_formal_parameters): Do not complain about
9226 parameter names that just start with `__VA_ARGS__'.
9228 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9230 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9231 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9232 * i386.c (pentiumpro_cost): Set mul cost to 4.
9233 (x86_use_movx): Set for PPro.
9235 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9237 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9238 STACK_BOUNDARY for empty frames now.
9240 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9242 * stor-layout.c (layout_union): Remove.
9243 (layout_union_field): New function, split out from layout_union.
9244 (finish_union_layout): Likewise.
9245 (layout_field): Handle unions by calling layout_union_field.
9246 (finish_record_layout): Handle unions.
9247 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9248 QUAL_UNION_TYPE handling.
9250 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9252 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9253 end of basic block is jump_insn, not barrier; use create_basic_block
9254 instead of creating basic block by hand.
9256 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9258 * flow.c (reorder_basic_blocks): Account for barriers when writing
9259 over NEXT_INSN (last_bb->end).
9260 (verify_flow_info): Add check for missing barriers.
9262 2000-03-14 Greg McGary <gkm@gnu.org>
9264 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9265 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9266 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9267 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9268 __unbounded, __unbounded__): New keywords.
9269 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9270 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9271 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9273 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9275 * cselib.h: New file.
9276 * alias.c: Include "cselib.h".
9277 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9278 MEMs as two new arguments.
9279 (get_addr): New static function.
9280 (find_base_term): Handle VALUEs.
9281 (memrefs_conflict_p): Likewise.
9282 (true_dependence): Call get_addr on the addresses.
9283 Call fixed_scalar_and_varying_struct_p with addresses that have been
9284 passed through get_addr and canon_rtx.
9285 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9286 with true_dependence.
9287 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9288 * loop.c: Include "cselib.h".
9289 (load_mems): Process extended basic block that enters the loop with
9290 cselib. Use that information to change initialization of the shadow
9291 register so that a constant equivalence is seen by later passes.
9292 * reload1.c: Include "cselib.h".
9293 (reload_cse_invalidate_regno): Delete function.
9294 (reload_cse_mem_conflict_p): Likewise.
9295 (reload_cse_invalidate_mem): Likewise.
9296 (reload_cse_invalidate_rtx): Likewise.
9297 (reload_cse_regno_equal_p): Likewise.
9298 (reload_cse_check_clobber): Likewise.
9299 (reload_cse_record_set): Likewise.
9300 (reg_values): Delete static variable.
9301 (invalidate_regno_rtx): Likewise.
9302 (reload_cse_delete_noop_set): New static function.
9303 (reload_cse_simplify): New static function, broken out of
9305 (reload_cse_noop_set_p): Delete unused argument INSN.
9306 Just call rtx_equal_for_cselib_p on set source and destination.
9307 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9308 reload_cse_delete_noop_set. Delete code to keep track of values; use
9309 cselib functions instead. Delete code to push/pop obstacks.
9310 (reload_cse_simplify_set): Use cselib to find equivalent values.
9311 Delete code to push/pop obstacks.
9312 (reload_cse_simplify_operands): Likewise.
9313 * rtl.def (VALUE): New rtx code.
9314 * rtl.h (union rtunion_def): New elt rt_cselib.
9315 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9316 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9317 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9318 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9319 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9320 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9321 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9322 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9323 cselib_record_set, cselib_record_sets): New static functions.
9324 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9325 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9326 references_value_p): New functions.
9327 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9328 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9329 n_useless_values, reg_values, callmem, cselib_obstack,
9330 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9331 New static variables.
9332 * varray.h (union varray_data_tag): New elt te.
9333 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9334 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9337 2000-03-14 Nick Clifton <nickc@cygnus.com>
9339 * gcc.c (do_spec_1): Catch the case where %* is used in a
9340 substitution pattern, but it has not been initialised.
9341 Issue a meaningful error message if an unrecognised operator
9342 is encountered in a spec string.
9344 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9346 * function.c (prepare_function_start): Correctly initialize
9347 cfun->stack_alignment_needed.
9349 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9351 * cppfiles.c (find_include_file): Don't assume nshort is a
9354 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9356 * configure.in (hppa configurations): Add pa32-regs.h to the
9357 list of tm files as appropriate.
9358 * configure: Rebuilt.
9359 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9361 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9362 (fmpyaddoperands, fmpysuboperands): Likewise.
9363 * pa.h: Remove various definitions which depend on knowing
9364 how registers are numbered.
9365 * pa32-regs.h: New file with PA32 register numbering specific
9368 2000-03-14 Richard Henderson <rth@cygnus.com>
9370 * regmove.c (combine_stack_adjustments): New.
9371 (stack_memref_p, single_set_for_csa): New.
9372 (free_csa_memlist, record_one_stack_memref): New.
9373 (try_apply_stack_adjustment): New.
9374 (combine_stack_adjustments_for_block): New.
9375 * rtl.h (combine_stack_adjustments): Declare.
9376 * toplev.c (rest_of_compilation): Call it.
9378 * i386.md: Revert 2000-01-16 change.
9380 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9382 * gccbug.in: Add web category, gcc specific classes.
9384 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9386 * stor-layout.c (finalize_record_size): Fix typo.
9388 2000-03-14 Stan Shebs <shebs@apple.com>
9390 * c-typeck.c (c_alignof): Error on incomplete types.
9391 * extend.texi (Alignment): Document this.
9393 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9395 * cppfiles.c: Include mkdeps.h.
9396 (find_include_file, read_include_file): Remove _cpp_ prefix
9397 from name, make static.
9398 (_cpp_execute_include): New function, broken out of
9401 * cpplib.c: Don't include mkdeps.h.
9402 (struct directive): Remove type field. Reorder entries. The
9403 function takes only one argument.
9404 (struct if_stack): Make type field an int.
9405 (directive_table): Rename to dtable. Generate it, the
9406 prototypes of the directive handlers, and the enum for the
9407 directive numbers, from a template macro.
9408 (do_ifndef, do_include_next, do_import): New functions.
9409 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9410 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9411 do_ident, do_assert, do_unassert, do_sccs): Take only one
9413 (do_sccs): Define always, but alter behavior based on
9415 (_cpp_handle_directive, consider_directive_while_skipping):
9416 Restructure for new directive table layout.
9418 (pass_thru_directive): Take a directive number, not a pointer
9419 to a struct directive.
9420 (parse_include): New function, broken out of do_include.
9421 (do_include, do_import, do_include_next): Use parse_include
9422 and _cpp_execute_include.
9423 (do_elif, do_else): Test for T_ELSE specifically when checking
9424 for #elif/#else after #else.
9425 (parse_ifdef): New function, broken out of do_ifdef.
9426 (validate_else): Expect a name arg without a leading #.
9427 (if_directive_name): Delete.
9428 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9429 directive handlers with only one argument.
9431 * cpphash.h: Update prototypes.
9432 (enum node_type): Remove entries for directives.
9433 * Makefile.in: Update dependencies.
9435 * cpphash.c (dump_hash_helper): Only dump nodes of type
9436 T_MACRO. Emit a newline after each definition.
9438 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9440 * gccbug.in: New file.
9441 * configure.in (all_outputs): Add gccbug.
9442 * Makefile.in (install-common): Install gccbug.
9443 (GCCBUG_INSTALL_NAME): New variable.
9444 * configure: Rebuilt.
9446 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9448 * function.c (put_var_into_stack): Use type_for_mode to calculate
9449 part_type. Use MEM_SET_IN_STRUCT_P.
9450 * expr.c (store_field): Handle CONCAT.
9451 (store_constructor): Use fields_length.
9452 * tree.c (fields_length): New fn.
9453 * tree.h: Declare it.
9455 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9457 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9458 (cpplex.o): New target.
9459 * po/POTFILES.in: Add cpplex.c.
9461 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9462 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9463 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9464 skip_block_comment, skip_line_comment, skip_comment,
9465 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9466 _cpp_parse_name, skip_string, parse_string,
9467 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9468 _cpp_get_directive_token, find_position,
9469 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9470 (maybe_macroexpand, _cpp_lex_token): New functions.
9472 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9473 parse_goto_mark): Delete.
9474 (_cpp_handle_eof): New function.
9475 (_cpp_handle_directive): Rename from handle_directive.
9476 (_cpp_output_line_command): Rename from output_line_command.
9477 (do_if, do_elif): Call _cpp_parse_expr directly.
9478 * cppfiles.c (_cpp_read_include_file): Don't call
9479 init_input_buffer here.
9480 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9481 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9482 here; pop the token_buffer and skip the rest of the line here.
9483 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9486 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9488 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9489 CPP_GOTO_MARK): New macros.
9490 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9491 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9492 _cpp_read_and_prescan, _cpp_init_input_buffer,
9493 _cpp_grow_token_buffer, _cpp_get_directive_token,
9494 _cpp_handle_directive, _cpp_handle_eof,
9495 _cpp_output_line_command): Prototype them here.
9496 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9497 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9498 quote_string, output_line_command): Remove.
9500 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9502 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9503 whether it is too large we must also verify that it isn't negative.
9505 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9507 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9508 (movsi_zero_liveg0): Remove.
9509 (movsf_insn_novis_liveg0): Remove.
9511 (negsi2_not_liveg0): Rename to negsi2.
9512 (one_cmplsi2): Remove.
9513 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9514 (one_cmplsi2_liveg0): Remove.
9515 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9516 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9517 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9518 (PREDICATE_CODES): Remove zero_operand.
9519 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9520 TARGET_BROKEN_SAVERESTORE.
9521 (zero_operand): Remove.
9522 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9523 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9525 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9526 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9527 TARGET_BROKEN_SAVERESTORE): Remove.
9528 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9530 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9532 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9535 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9537 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9539 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9540 truncating a string. Don't assume tokens are nul terminated.
9541 Problem noted by Andreas Jaeger <aj@suse.de>
9543 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9545 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9546 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9547 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9549 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9551 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9552 STRUCTURE_SIZE_BOUNDARY.
9554 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9556 * tree.h (record_layout_info_s): New structure.
9557 (record_layout_info): New type.
9558 (new_record_layout_info): New function.
9559 (layout_field): Likewise.
9560 (finish_record_layout): Likewise.
9561 * stor-layout.c (layout_record): Remove.
9562 (new_record_layout_info): New function.
9563 (layout_field): New function, broken out from layout_record.
9564 (finalize_record_size): Likewise.
9565 (compute_record_mode): Likewise.
9566 (finalize_type_size): New function, broken out from layout_type.
9567 (finish_record_layout): Likewise.
9568 (layout_type): Use them.
9570 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9572 * cpphash.c: Don't include version.h.
9573 (special_symbol) [case T_VERSION]: Look for the string in
9574 hp->value.cpval; don't use version_string.
9575 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9576 __VERSION__ to version_string.
9577 * Makefile.in (cpphash.o): Update deps.
9579 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9581 Convert cpplib to use libiberty/hashtab.c.
9583 * cpplib.h (struct cpp_reader): Make hashtab and
9584 all_include_files of type 'struct htab *'. Delete HASHSIZE
9585 and ALL_INCLUDE_HASHSIZE macros.
9587 * cpphash.h: Update prototypes.
9588 (struct hashnode): Remove next, prev, and bucket_hdr members.
9589 Make length a size_t. Add hash member.
9590 (struct ihash): Remove next member. Add hash member. Make
9591 name a flexible array member.
9593 * cppfiles.c: Include hashtab.h.
9594 (include_hash): Delete.
9595 (IHASHSIZE): New macro.
9596 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9597 (cpp_included): Do the hash lookup here.
9598 (_cpp_find_include_file): Rewrite.
9599 (cpp_read_file): Put the "fake" hash entry into the hash
9600 table. Honor the control_macro, if it turns out we've seen
9601 the file before. Don't push the buffer here.
9602 (_cpp_read_include_file): Push the buffer here.
9603 (OMODES): New macro. Use it whenever we call open(2).
9605 * cpphash.c: Include hashtab.h.
9606 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9607 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9608 _cpp_lookup_slot): New functions.
9609 (HASHSIZE): new macro.
9610 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9611 (_cpp_lookup): Use hashtab.h routines.
9613 * cppinit.c: Include hashtab.h.
9614 (cpp_reader_init): Call _cpp_init_macro_hash and
9615 _cpp_init_include_hash. Don't allocate hashtab directly.
9616 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9617 pfile->all_include_files.
9618 (initialize_builtins): Use _cpp_make_hashnode and
9619 htab_find_slot to add hash entries.
9620 (cpp_finish): Just call _cpp_dump_macro_hash.
9621 * cpplib.c: Include hashtab.h.
9622 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9623 create hash entries.
9624 (do_pragma_poison, do_assert): Likewise.
9625 (do_include): Don't push the buffer here. Don't increment
9626 system_include_depth unless _cpp_read_include_file succeeds.
9627 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9629 (do_pragma_implementation): Use alloca to create copy.
9631 * Makefile.in: Update dependencies.
9633 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9635 * cppinit.c (cl_directive_handler): More K&R fixing.
9637 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9639 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9641 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9643 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9645 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9646 Change from char[] to macros.
9648 2000-03-12 Neil Booth <NeilB@earthling.net>
9650 * cppinit.c (cpp_start_read): Update indirect function
9653 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9655 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9658 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9659 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9661 2000-03-11 Neil Booth <NeilB@earthling.net>
9663 * cppinit.c (struct pending option): Replace undef with a
9664 pointer to a directive handling routine.
9665 (struct cpp_pending): Replace separate assert_ and define_
9666 lists with one directive_ list.
9667 (new_pending_define): Rename new_pending_directive. Extra
9668 argument is the directive's handling routine.
9669 (handle_option): Update to use new_pending_directive.
9671 2000-03-11 Neil Booth <NeilB@earthling.net>
9673 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9674 remap_filename, _cpp_read_include_file, actual_directory,
9675 hack_vms_include_specification): Replace bcopy(), index() etc
9676 calls. Add casts to some allocations. Make some variables
9677 pointers to const [unsigned] char.
9678 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9679 collect_formal_parameters): Similarly.
9680 * cppinit.c (struct pending_option, append_include_chain,
9681 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9682 cpp_start_read, new_pending_define, handle_option): Similarly.
9683 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9684 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9685 do_pragma_implementation, detect_if_not_defined,
9686 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9687 do_assert, do_unassert): Similarly.
9688 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9689 function prototypes.
9690 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9692 2000-03-10 Richard Henderson <rth@cygnus.com>
9694 * builtins.c (expand_builtin_strlen): Revert last change.
9695 Use emit_insn_before if we're at the beginning of a sequence.
9697 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9699 * builtins.c (expand_builtin_strlen): Make sure that we have something
9700 at the beginning of the sequence.
9702 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9705 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9707 2000-03-10 Richard Henderson <rth@cygnus.com>
9709 * except.c (can_throw): Use INTVAL on a CONST_INT.
9710 (reachable_handlers): Likewise.
9711 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9713 2000-03-10 Andreas Jaeger <aj@suse.de>
9715 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9716 MD_STARTFILE_PREFIX since those are not needed on linux.
9717 (ASM_FILE_START): New, from mips/gnu.h.
9719 2000-03-09 Richard Henderson <rth@cygnus.com>
9720 Alex Samuel <samuel@codesourcery.com> and others
9722 * Makefile.in (ssa.o): New rule.
9724 (STAGESTUFF): Add *.ssa and *.ussa.
9725 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9726 * rtl.def (PHI): New RTL expression.
9727 * rtl.h (clear_log_links): New declaration.
9728 (convert_to_ssa): Likewise.
9729 (convert_from_ssa): Likewise.
9730 * flow.c (split_edge): If the entry node falls through to the
9731 split edge's source block, split the entry edge.
9732 (clear_log_links): New function.
9733 * toplev.c (ssa_dump): New variable.
9734 (flag_ssa): Likewise.
9735 (f_options): Add "ssa".
9736 (compile_file): Create SSA dump files.
9737 (rest_of_compilation): Go to and from SSA if enabled.
9738 (decide_d_option): Handle -de for SSA dump files.
9741 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9743 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9746 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9748 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9750 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9752 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9753 (MD_STARTFILE_PREFIX_1): New macro.
9755 2000-03-09 Robert Lipe <robertl@sco.com>
9757 * config/ia64/ia64.c: Include system.h.
9759 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9761 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9762 (init_eh_nesting_info): Likewise.
9764 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9765 (TREE_NOTHROW): Rename from TREE_RAISES.
9766 * toplev.c (rest_of_compilation): Set it.
9767 * print-tree.c (print_node): Adjust.
9768 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9769 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9770 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9771 REG_EH_REGION note as appropriate.
9772 (libfunc_nothrow): New fn.
9773 (emit_library_call, emit_library_call_value): Use it.
9774 (expand_call): Check TREE_NOTHROW.
9776 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9777 DECL_ASSEMBLER_NAME.
9779 2000-03-09 Andreas Jaeger <aj@suse.de>
9781 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9782 (TARGET_MEM_FUNCTIONS): Define.
9784 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9786 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9788 * except.c (can_throw): See through a SEQUENCE.
9789 (nothrow_function_p): New fn.
9790 * except.h: Declare it.
9791 * function.c (current_function_nothrow): New var.
9792 (prepare_function_start): Initialize it.
9793 * output.h: Declare it.
9794 * toplev.c (rest_of_compilation): Set it.
9795 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9797 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9799 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9800 match. (cpp_compare_defs): Count the nul separator when
9801 advancing over argument names.
9803 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9805 * recog.c (preprocess_constraints): Matching constraints affect
9806 same alternative/different operand, not same operand/different
9809 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9810 register and a constant specially.
9812 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9814 * libgcc2.h: New file.
9815 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9817 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9819 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9820 * configure: Regenerate.
9823 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9825 * Makefile.in (LIBCPP_DEPS): New macro.
9826 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9828 * cpperror.c: Include cpphash.h.
9829 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9831 (lex): Don't use CPP_WARN_UNDEF.
9832 (_cpp_parse_expr): Return an int, the truth value.
9833 * cppfiles.c: Include cpphash.h.
9834 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9835 * cppinit.c (include_defaults_array): Disentangle.
9836 (cpp_cleanup): Don't free the if stack here.
9837 (cpp_finish): Pop off all buffers, not just one.
9838 * cpplib.c (eval_if_expr): Return int.
9839 (do_xifdef): Rename do_ifdef.
9840 (handle_directive): Don't use CPP_PREPROCESSED.
9841 (cpp_get_token): Don't use CPP_C89.
9842 * fix-header.c: Don't use CPP_OPTIONS.
9844 * cpplib.h: Move U_CHAR, enum node_type, struct
9845 file_name_list, struct ihash, is_idchar, is_idstart,
9846 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9847 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9848 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9849 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9850 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9851 of _cpp_simplify_pathname, _cpp_find_include_file,
9852 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9853 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9855 Change all uses of U_CHAR to be unsigned char instead.
9856 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9858 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9860 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9861 (dwarf2out_begin_prologue): Set it.
9862 (output_call_frame_info): Don't emit EH unwind info for leaves.
9864 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9865 can occur outside of an EH region.
9866 * except.c: Correct comments about rethrow behavior.
9867 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9869 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9871 * flow.c (make_edges): Always call make_eh_edge for calls.
9873 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9875 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9876 (struct cpp_buffer): Remove fname and underflow fields.
9877 (struct cpp_reader): Remove get_token field.
9878 (struct include_hash): Rename to struct ihash. Add typedef to
9880 (struct if_stack): Remove fname field.
9881 (IF_STACK_FRAME): Rename to IF_STACK.
9883 * cpperror.c (print_containing_files): Trust that there are no
9884 macro buffers below the top file buffer.
9885 * cppfiles.c: Replace all references to 'struct include_hash'
9886 with 'IHASH'. Rename initialize_input_buffer to
9887 init_input_buffer. Don't set or reference cpp_buffer->fname,
9888 use buffer->ihash->name instead.
9889 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9890 not CPP_NULL_BUFFER.
9891 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
9892 IF_STACK_FRAME, IHASH not struct include_hash.
9893 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
9894 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
9895 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
9896 references to cpp_buffer->fname (delete entirely, or use
9897 ->ihash->name instead) and IF_STACK->fname.
9898 (cpp_push_buffer): Don't set new->underflow.
9899 (do_include): Use cpp_file_buffer.
9901 * cpphash.c (collect_formal_parameters): Remove duplicate
9902 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
9903 used as a macro argument name. Don't append "..." to namebuf
9904 for varargs macros. After we're done scanning, go through
9905 namebuf and make it NUL separated, not comma separated.
9906 (_cpp_compare_defs): Remove register tag from variables.
9907 Expect defn->argnames to be NUL separated.
9908 (_cpp_dump_definition): Expect defn->argnames to be NUL
9909 separated and in forward order.
9910 * cpphash.h: Update documentation of argnames field.
9912 2000-03-08 Richard Henderson <rth@cygnus.com>
9914 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
9915 to fail. Don't pre-expand the source operand.
9917 * i386.md (strlensi): Initialize eoschar and align before use.
9919 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9921 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
9922 CONSTRUCTOR element.
9924 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
9926 * mips.c (mips_expand_prologue): If the last
9927 named argument is the vararg marker "va_list", treat it as
9928 an unnamed argument.
9930 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
9932 * dbxout.c (dbxout_parms): When correcting for promoted
9933 big-endian parameters, use the mode of the DECL_RTL rather
9934 than UNITS_PER_WORD.
9936 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
9938 * c-common.h (make_fname_decl): Declare.
9939 * c-common.c (make_fname_decl): Define.
9940 (declare_hidden_char_array): Remove.
9941 (declare_function_name): Use make_fname_decl.
9942 * c-decl.c (c_make_fname_decl): New function.
9943 (init_decl_processing): Set make_fname_decl.
9945 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
9947 * cccp.c (handle_directive): Initialize backslash_newlines_p.
9949 2000-03-07 Philipp Thomas <pthomas@suse.de>
9951 * po/POTFILES.in: Remove cppalloc.c from file list.
9953 2000-03-07 Steve Chamberlain <sac@pobox.com>
9955 * pj.c (pj_expand_prologue): current_function->args_info is
9956 now current_function_args_info.
9958 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
9959 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
9960 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
9962 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9964 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
9965 output as hexadecimal rather than the default octal.
9967 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9969 * cpphash.c (special_symbol): Fix thinko in previous commit.
9971 2000-03-07 Neil Booth <NeilB@earthling.net>
9973 * cppexp.c (struct operation, left_shift, right_shift,
9974 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
9975 "int"s to "unsigned int"s.
9976 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
9978 * cpplib.h: Update for above.
9979 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
9980 returned from allocations.
9982 * cppinit.c (opt_comp, parse_options): New functions.
9983 (handle_option): Use parse_option to parse a single command
9984 line option, that possibly takes an argument.
9985 (cpp_handle_options): Sort the array of command line options on
9986 first invocation (non-ASCII hosts only).
9987 (print_help): Update.
9989 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
9991 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
9992 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
9994 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
9996 * cppinit.c (cpp_cleanup): Free imp->nshort also.
9998 * cpperror.c (cpp_print_containing_files,
9999 cpp_print_file_and_line, v_cpp_message): Rename to
10000 print_containing_files, print_file_and_line, and v_message.
10001 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10002 to _cpp_parse_expr, parse_escape, and lex.
10003 (parse_charconst): Remove broken multibyte support.
10004 * cppfiles.c (include_hash): Make static.
10005 (cpp_included): New function.
10006 (merge_include_chains, find_include_file, finclude,
10007 simplify_pathname): Rename to _cpp_merge_include_chains,
10008 _cpp_find_include_file, _cpp_read_include_file, and
10009 _cpp_simplify_pathname.
10010 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10011 cpp_install, create_definition, macroexpand, compare_defs,
10012 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10013 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10014 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10015 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10017 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10019 * cpphash.h: Update prototypes.
10020 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10022 2000-03-07 Andrew Haley <aph@cygnus.com>
10024 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10025 PTRDIFF_TYPE should be based solely on Pmode.
10026 (SIZE_TYPE): ditto.
10028 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10030 * rtl.h (rtunion_def): Constify member `rtstr'.
10031 (emit_line_note_after, emit_line_note, emit_line_note_force,
10032 emit_note, decode_asm_operands): Constify.
10034 * cse.c (canon_hash): Likewise.
10036 * dbxout.c (dbxout_block): Likewise.
10038 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10039 v_warning_for_asm): Likewise.
10041 * dwarfout.c (function_start_label): Likewise.
10043 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10044 emit_line_note_force): Likewise.
10046 * final.c (last_filename, asm_insn_count, final_scan_insn,
10047 output_source_line): Likewise.
10049 * function.h (struct emit_status): Likewise.
10051 * gcse.c (hash_expr_1): Likewise.
10053 * genattr.c (gen_attr, main): Likewise.
10055 * genattrtab.c (struct function_unit, current_alternative_string,
10056 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10057 attr_numeral, check_attr_test, check_attr_value,
10058 convert_set_attr_alternative, convert_set_attr,
10059 compute_alternative_mask, simplify_by_exploding, gen_attr,
10060 gen_unit): Likewise.
10062 * genflags.c (gen_insn): Likewise.
10064 * gengenrtl.c (type_from_format): Likewise.
10066 * genopinit.c (gen_insn): Likewise.
10068 * genoutput.c (n_occurrences, process_template, process_template):
10071 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10074 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10077 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10078 ggc_set_mark, ggc_get_size): Likewise.
10080 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10082 * optabs.c (init_one_libfunc): Likewise.
10084 * output.h (assemble_start_function): Likewise.
10086 * recog.c (decode_asm_operands): Likewise.
10088 * toplev.c (rest_of_compilation): Likewise.
10090 * tree.h (emit_line_note_after, emit_line_note,
10091 emit_line_note_force): Likewise.
10093 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10094 asm_emit_uninitialised, assemble_start_function,
10095 assemble_variable, const_hash, compare_constant_1,
10096 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10098 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10100 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10102 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10104 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10106 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10107 arm_dllimport_name_p): Likewise.
10109 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10112 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10114 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10116 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10117 arm_mark_dllexport, arm_mark_dllimport,
10118 arm_pe_encode_section_info): Likewise.
10120 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10121 ASM_FINISH_DECLARE_OBJECT): Likewise.
10123 * arm/thumb.c (thumb_function_prologue): Likewise.
10125 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10127 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10129 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10131 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10133 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10135 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10137 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10138 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10140 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10142 * i386/i386.c (asm_output_function_prefix): Likewise.
10144 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10146 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10148 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10150 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10151 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10152 ASM_OUTPUT_SECTION_NAME): Likewise.
10154 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10156 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10158 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10160 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10162 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10164 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10166 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10168 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10170 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10172 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10174 * mips/mips.md (movdi, movsi): Likewise.
10176 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10178 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10180 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10182 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10183 ASM_OUTPUT_ASCII): Likewise.
10185 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10186 output_mi_thunk, output_toc): Likewise.
10188 * rs6000/rs6000.md (movsi): Likewise.
10190 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10192 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10194 * v850/v850.c (print_operand, print_operand_address,
10195 v850_encode_data_area): Likewise.
10197 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10199 * config/mips/mips.md (zero_extendsidi2): Always force operand
10200 one to memory for mips16.
10202 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10204 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10205 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10206 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10207 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10208 (min_precision): Result is unsigned.
10209 (add_double, neg_double, mul_double): Low word is unsigned.
10210 (lshift_double, rshift_double, lrotate_double): Likewise.
10211 (rrotate_double, div_and_round_double): Likewise.
10212 (tree_floor_log2, compare_tree_int): New functions.
10213 (preserve_rtl_expr_temps): New declaration.
10214 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10215 (decl_attributes): Use tree_log2 to find alignment.
10216 Check for TREE_INT_CST_HIGH for format args.
10217 (min_precision): Now unsigned.
10218 Use tree_floor_log2.
10219 (truthvalue_conversion): Delete long-disabled code.
10220 * c-decl.c (finish_struct): Clean up tests on field width.
10221 (finish_function): Use compare_tree_int.
10222 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10223 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10224 (default_conversion, digest_init): Use compare_tree_int.
10225 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10226 Fix type errors in forming masks.
10227 * calls.c (initialize_argument_information): Use compare_tree_int.
10228 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10229 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10230 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10231 (store_field): Use compare_tree_int.
10232 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10233 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10234 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10235 (do_store_flag): Use compare_tree_int.
10236 * fold-const.c (encode, decode): Low part is always unsigned.
10237 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10238 (lshift_double, rshift_double, lrotate_double): Likewise.
10239 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10240 (fold_convert): Use compare_tree_int.
10241 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10242 (invert_truthvalue, case INTEGER_CST): Likewise.
10243 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10244 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10245 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10246 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10248 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10249 (expand_end_case): Use compare_tree_int.
10250 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10251 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10252 (layout_decl): Likewise.
10253 (layout_record, layout_union): Make sizes unsigned.
10254 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10255 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10256 * tree.c (struct type_hash): hashcode is unsigned.
10257 (build_type_attribute_variant, type_hash_list): Likewise.
10258 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10259 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10260 (build_complex_type): Likewise.
10261 (real_value_from_int_cst): Remove unneeded casts.
10262 (integer_all_onesp): Add casts.
10263 (tree_floor_log2, compare_tree_int): New functions.
10264 (build_index_type): Use tree_int_cst_sgn.
10265 * varasm.c (assemble_variable): Use compare_tree_int.
10267 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10269 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10271 * varasm.c (make_decl_rtl): Don't add a number to members of
10273 (make_function_rtl): Likewise.
10275 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10277 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10278 patch from 2000-01-28.
10280 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10282 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10283 filled with an insn from the jump target.
10285 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10287 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10288 (c4x_external_ref): Likewise.
10289 * config/c4x/c4x.c (struct name_list): Likewise.
10291 1999-12-16 Ben Collins <bcollins@debian.org>
10293 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10294 argument to genmultilib.
10295 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10296 the contents into the multilib.h header.
10297 * gcc.c: Declare multilib_exclusions for the specs file.
10298 (set_multilib_dir): Use it.
10299 (print_multilib_info): Likewise.
10300 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10301 to pass to genmultilib.
10303 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10305 * builtins.c (built_in_class_names, built_in_names): Constify a
10308 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10310 (_mcleanup): Ensure value matches format specifier in sprintf.
10312 * cpphash.c (special_symbol): Don't needlessly cast away
10315 * cppinit.c (base_name): Delete unused prototype.
10317 * mkdeps.c (deps_init): Make definition K&R safe.
10319 * tree.h (built_in_class_names, built_in_names): Constify a
10322 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10324 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10325 floating point instructions for epilogue delay.
10327 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10328 to gas if it supports .register pseudo.
10330 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10331 LONG_DOUBLE_TYPE_SIZE if not defined.
10332 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10333 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10334 * real.c: Likewise.
10335 * gengenrtl.c: Likewise.
10336 * print-rtl.c: Likewise.
10338 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10339 MASK_LONG_DOUBLE_128.
10340 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10341 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10342 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10343 (SUBTARGET_SWITCHES): Define.
10344 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10345 with -mlong-double-128.
10346 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10347 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10348 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10349 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10350 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10351 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10352 with -mlong-double-128.
10353 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10354 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10355 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10356 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10357 TARGET_LONG_DOUBLE_128): Define.
10358 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10359 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10360 long double on TARGET_ARCH64.
10362 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10364 * function.c (free_temps_for_rtl_expr): Don't free slots
10365 that have been pushed into a higher level.
10368 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10370 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10372 * basic-block.h (ALLOCA_REG_SET): Remove.
10373 (INITIALIZE_REG_SET): New macro.
10374 * flow.c (update_life_info): Use it.
10375 (calculate_global_regs_live): Likewise.
10376 (propagate_block): Likewise.
10377 * global.c (build_insn_chain): Likewise.
10378 * haifa-sched.c (schedule_region): Likewise.
10380 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10382 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10383 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10384 (DWARF_ARANGES_PAD_SIZE): New define.
10385 (output_aranges): Use it to pad the address range header.
10386 (DWARF_ROUND): Fix for non power of 2 rounding.
10388 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10390 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10392 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10394 * tree.def (RTL_EXPR): Update documentation.
10395 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10396 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10397 * function.c (preserve_rtl_expr_temp): New function.
10398 (preserve_rtl_expr_temps): Likewise.
10399 (preserve_rtl_expr_result): Use it.
10402 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10404 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10406 * regmove.c (copy_src_to_dest) Do not create src->dest move
10407 for unchanging destination.
10409 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10411 * function.h (struct sequence_stack): Remove rtl_expr.
10412 (struct emit_staus): Likewise.
10413 (seq_rtl_expr): Remove.
10414 * tree.h (free_temps_for_rtl_expr): Don't declare.
10415 (start_sequence_for_rtl_expr): Likewise.
10416 * rtl.h (preserve_rtl_expr_result): Likewise.
10417 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10418 (start_sequence_for_rtl_expr): Remove.
10419 (push_topmost_sequence): Don't save sequence_rtl_expr.
10420 (pop_topmost_sequence): Remove comment about not restoring it.
10421 (end_sequence): Don't set seq_rtl_expr.
10422 (init_emit): Don't initialize it.
10423 (mark_sequence_stack): Don't mark it.
10424 (mark_emit_status): Likewise.
10425 * except.c (protect_with_terminate): Use
10426 start_sequence_for_rtl_expr, not start_sequence.
10427 * expr.c (expand_expr, case RTL_EXPR): Don't call
10428 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10429 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10430 (preserve_rtl_expr_result): Remove.
10431 (free_temps_for_rtl_expr): Likewise.
10432 (pop_temp_slots): Likewise.
10433 (mark_temp_slot): Don't mark the rtl_expr.
10434 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10435 start_sequence_for_rtl_expr.
10437 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10439 * mkdeps.c, mkdeps.h: New files.
10440 * po/POTFILES.in: Add them.
10441 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10442 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10443 (mkdeps.o): New target.
10445 * cppfiles.c: Delete deps_output.
10446 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10447 OBJECT_SUFFIX, and base_name.
10448 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10450 (initialize_dependency_output): Use deps_init,
10451 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10452 all the unnecessary string bashing.
10453 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10455 * cpplib.c (do_include): Use deps_add_dep.
10456 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10457 deps_allocated_size, deps_size, deps_column members with
10458 single pointer to a struct deps. Delete prototype of
10461 * cppinit.c: Fix thinko in previous patch.
10463 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10465 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10466 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10467 (mode_for_size_tree): New function.
10468 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10469 * tree.h (mode_for_size_tree): New declaration.
10471 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10473 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10475 * stmt.c (is_body_block): Move...
10476 * dwarfout.c, dwarf2out.c: ...from here.
10477 * tree.h: Declare it.
10478 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10479 * final.c (final_start_function): Do call remove_unnecessary_notes
10482 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10484 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10486 * cpplib.h (_dollar_ok): New macro.
10487 (is_idchar, is_idstart): Use it.
10488 (IStable): Rename to _cpp_IStable. Declare it const if
10489 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10490 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10491 is_space): Update for renamed IStable.
10493 * cppinit.c: Delete all references to FAKE_CONST and CAT
10494 macros. Define init_IStable as empty macro if gcc >=2.7 or
10495 C99. Change TABLE() to ISTABLE and hardcode name of table.
10496 (cpp_start_read): Don't change the IStable based on
10499 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10500 changed. Handle '$' for char1 correctly.
10501 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10503 * cppexp.c (tokentab2): Make const.
10504 (cpp_lex): Make toktab const.
10505 * cppinit.c (include_defaults_array): Make const.
10506 (initialize_standard_includes): Make default_include const.
10508 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10510 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10511 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10512 (gen_decl_die): Likewise.
10513 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10514 (output_decl): Likewise.
10516 * varasm.c (make_function_rtl): If we change the name used in the
10517 rtl, update DECL_ASSEMBLER_NAME accordingly.
10518 (make_decl_rtl): Likewise.
10520 * toplev.c (rest_of_compilation): Tweak formatting.
10522 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10523 remove_unnecessary_notes.
10524 (debug_ignore_block): New fn.
10525 * toplev.h: Declare it.
10526 * emit-rtl.c (remove_unncessary_notes): Call it.
10527 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10528 * dwarf2out.h: Declare it.
10529 * final.c (final_start_function): Don't call remove_unnecessary_notes
10530 if we did insn scheduling.
10532 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10534 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10535 * cpplib.h: Delete SET_CPP_PEDANTIC.
10537 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10539 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10540 result is a RECORD_TYPE.
10542 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10544 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10546 2000-03-03 Richard Henderson <rth@cygnus.com>
10548 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10549 addition over compliments over shifts.
10551 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10553 * reload1.c (reload_combine_note_use): Handle return register USEs.
10554 REG case: Handle multi-hard-register hard regs.
10556 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10558 * md.texi: Document use of '*' in insn pattern name.
10560 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10562 * calls.c (special_function_p): operator new may not be malloc-like.
10564 * gcse.c (dump_hash_table): Really fix error in last change.
10566 2000-03-02 Denis Chertykov <denisc@overta.ru>
10568 * avr.c (print_operand): Use print_operand_address instead of
10570 * avr/libgcc.S: Cleanup code.
10572 2000-03-02 Richard Henderson <rth@cygnus.com>
10574 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10576 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10578 * tree.h (TYPE_ALIGN_UNIT): New macro.
10580 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10582 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10584 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10586 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10588 (SET_CPP_PEDANTIC): New macro.
10589 * cpplib.c (do_include): Don't bother checking system_header_p.
10590 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10591 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10593 * function.h (struct expr_status): Add x_arg_space_so_far.
10594 (arg_space_so_far): New macro.
10595 * expr.c (init_expr): Initialize it.
10596 * calls.c (emit_call_1): Reset it.
10597 (compute_argument_block_size, expand_call): Use it.
10598 (expand_call, store_one_arg): Increment it.
10600 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10602 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10605 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10607 * cppfiles.c (cpp_read_file): New function.
10609 * cpphash.c (collect_expansion): Make sure to reset last_token
10610 to NORM when we hit a string. Handle trailing whitespace
10611 properly when the expansion is empty.
10612 (create_definition): Disable line commands while parsing the
10614 (dump_definition): If pfile->lineno == 0, output a line
10615 command ahead of the dump, and add a trailing newline.
10617 * cppinit.c (append_include_chain): Add fifth argument, which
10618 indicates whether or not system headers are C++ aware.
10619 (initialize_standard_includes): New function,
10620 broken out of read_and_prescan. Pass 'cxx_aware' value from
10621 the include_defaults_array on to append_include_chain.
10622 (dump_special_to_buffer): Const-ify char array.
10623 (builtin_array): Don't dump __BASE_FILE__.
10624 (cpp_start_read): Use cpp_read_file. Reorder code for
10625 clarity. Don't output line commands here for -D/-A/-U
10626 switches. Don't call deps_output for files included with
10627 -include or -imacros.
10629 * cpplib.c (do_define): Don't pay any attention to the second
10631 (cpp_expand_to_buffer): Disable line commands while scanning.
10632 (output_line_command): Work in the file buffer.
10633 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10634 Fix formatting of comments. Prototype cpp_read_file.
10636 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10638 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10639 reference the language-equivalent of sizetype.
10640 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10641 * fold-const.c (size_binop, size_diffop): Put back checks.
10642 * gcse.c (dump_hash_table): Fix minor error in last change.
10643 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10644 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10647 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10649 * calls.c (expand_call) Do not attempt to combine stack adjustments
10650 with inhibit_defer_pop set.
10652 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10654 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10655 the DECL_SIZE for a FIELD_DECL.
10657 2000-03-01 Bruce Korb <bkorb@gnu.org>
10659 * fixinc/inclhack.tpl: remove unused symlinks
10660 * fixinc/README: GCC Maintainer info
10661 * fixinc/inclhack.sh: regen
10662 * fixinc/fixincl.sh: regen
10664 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10666 * cpphash.c (collect_expansion): Trim trailing white space
10667 from macro definitions, but don't go past the last insertion
10670 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10672 * i386.md (mulqi3): New pattern.
10674 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10676 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10678 (struct cpp_reader): Add parsing_if_directive and
10679 parsing_define_directive flags.
10680 (struct cpp_options): Remove output_conditionals flag.
10681 (check_macro_name): Delete prototype.
10683 * cpphash.h (struct macrodef): Delete.
10684 (struct reflist): Separate from struct definition.
10685 (struct definition): Remove unused fields. Add column number.
10686 (create_definition): Returns a DEFINITION *. Takes a
10687 cpp_reader * and an int.
10689 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10690 (PEEKC): Copy defn from cpplib.c.
10691 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10693 (struct arglist): Simplify.
10694 (collect_expansion): Rewrite. Get tokens by calling
10695 cpp_get_token. Add more error checking.
10696 (collect_formal_parameters): New function, broken out of
10697 create_definition and reworked to use get_directive_token.
10698 (create_definition): All real work is now in collect_expansion
10699 and collect_formal_parameters. do_define handles finding the
10700 macro name. Return a DEFINITION, not a MACRODEF.
10701 (macroexpand): Replace bcopy with memcpy throughout. Replace
10702 character-at-a-time copy loop with memcpy and pointer increments.
10703 (compare-defs): d1->argnames / d2->argnames might be null.
10705 * cpplib.c (copy_rest_of_line): Delete function.
10706 (skip_rest_of_line): Do all the work ourselves.
10707 (skip_string): New function.
10708 (parse_string): Use skip_string.
10709 (get_macro_name): New function.
10710 (check_macro_name): Delete.
10711 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10712 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10713 (handle_directive): ICE if we're called on a macro buffer.
10714 (do_define): Determine macro name and type (funlike/objlike)
10715 here. Expunge all uses of MACRODEF.
10716 (cpp_push_buffer): Set line_base to NULL.
10717 (do_undef, read_line_number): Don't worry about getting a POP token.
10718 (eval_if_expression): Set/reset parsing_if_directive around
10719 cpp_parse_expr. Don't clear only_seen_white.
10720 (skip_if_group): Remove output_conditionals logic. Use
10722 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10723 tokens under appropriate conditions.
10724 (cpp_unassert): Call do_unassert not do_assert. Oops.
10726 * cppexp.c (parse_defined): New function, break out of
10728 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10729 ourselves, with cpp_defined.
10730 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10732 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10733 * gcc.dg/strpaste-2.c: New.
10735 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10737 * fold-const.c (size_binop): Don't asert inputs are the same and
10738 have TYPE_IS_SIZETYPE set.
10739 (size_diffop): Likewise.
10741 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10743 * dwarfout.c (output_block): Output abstract blocks even if they
10744 don't have TREE_ASM_WRITTEN set.
10746 * calls.c (emit_library_call): Check for null REG.
10748 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10750 * c-decl.c (current_function_decl): Move to toplev.c.
10751 (init_decl_processing): Don't add current_function_decl as a ggc
10753 * dbxout.c (dbxout_symbol): Change return type to int.
10754 (dbxout_symbol_location, dbxout_syms): Likewise.
10755 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10756 any locals. Use current_function_func_begin_label if set.
10757 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10758 * dwarf2out.c (dwarf2out_begin_prologue): Set
10759 current_function_func_begin_label.
10760 * final.c (final_start_function): Reset it.
10761 * toplev.c (current_function_decl): Define it here.
10762 (current_function_func_begin_label): New variable.
10763 (main): Add both as ggc roots.
10764 * tree.h (current_function_func_begin_label): Declare.
10766 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10768 * gcse.c: Cleanups throughout: mostly white-space, but also
10769 some minor rearrangement of code.
10771 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10773 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10774 returns a PARALLEL. Use emit_group_load and use_group_regs
10776 (emit_library_call_value): Similarly.
10778 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10779 * pa/quadlib.asm: Remove.
10780 * pa/quadlib.c: New file.
10782 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10783 * configure: Rebuilt.
10785 2000-02-29 Philip Blundell <pb@futuretv.com>
10787 * config/arm/conix-elf.h: New file.
10788 * configure.in (arm*-*-conix*): New configuration.
10789 * configure: Regenerate.
10791 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10793 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10794 don't have TREE_ASM_WRITTEN set.
10796 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10798 * Eliminate DECL_FIELD_SIZE.
10799 * builtins.c (built_in_class_names, built_in_names): New variables.
10800 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10801 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10802 DECL_SIZE, not DECL_FIELD_SIZE.
10803 * print-tree.c (print_node): Remove code that prints extra blank
10804 lines in some cases.
10805 Properly handle inline and builtin function cases.
10806 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10807 * tree.h (built_in_class_named, built_in_names): New declarations.
10808 (union tree_decl): Rename internal unions to u1 and u2 and change
10809 some of their components.
10810 Add new field built_in_class.
10811 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10812 Reflect above changes.
10813 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10814 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10815 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10816 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10818 2000-02-28 Dmitri Makarov <dim@windriver.com>
10820 * extend.texi: Document ARM's support for long/short calls.
10822 * invoke.texi: Document ARM's -mlong-calls command line switch.
10824 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10825 (arm_encode_call_attribute): Add prototype.
10826 (arm_set_default_type_attribute): Add prototype.
10827 (arm_strip_name_encoding): Add prototype.
10829 * config/arm/arm.c (arm_init_cumulative_args): replace
10830 initialisation og 'long_calls' field with initialisation of
10831 'call_cookie' field.
10832 (enum arm_pragma_enum): New enum.
10833 (arm_pragma_long_calls): New static variable.
10834 (arm_process_pragma): Also process "#pragma long_calls_off".
10835 (arm_valid_type_attribute_p): Accept short_call attribute.
10836 (arm_comp_type_attributes): Check long/short call attributes.
10837 (arm_encode_call_attribute): New function: Encode long_call
10838 or short_call attribute in function name.
10839 (arm_set_default_type_attributes): New function: Assign
10840 default attributes to newly defined type.
10841 (current_file_function_operand): New function: Return true if
10842 the symbol is a function which has already been compiled.
10843 (arm_is_longcall_p): New function: Return true if the
10844 indicated function should be called via a long call.
10845 (arm_get_strip_length): New function. Returns number of
10846 prefix characters to be stripped from a function's name.
10847 (arm_strip_name_encoding): New function. Strip prefix characters
10848 from a function's name.
10850 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10851 with 'call_cookie'.
10852 (SHORT_CALL_FAG_CHAR): Define.
10853 (LONG_CALL_FAG_CHAR): Define.
10854 (ENCODED_SHORT_CALL_ATTR_P): Define.
10855 (ENCODED_LONG_CALL_ATTR_P): Define.
10856 (ARM_NAME_ENCODING_LENGTHS): Define.
10857 (STRIP_NAME_ENCODING): Define.
10858 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10859 (ARM_ENCODE_CALL_TYPE): Define.
10860 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10861 (ARM_DECLARE_FUNCTION_SIZE): Define.
10862 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10864 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10865 if a long call is needed.
10866 (call_value): Ditto.
10867 (call_symbol): Ditto.
10869 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10870 ARM_DECLARE_FUNCTION_SIZE.
10872 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10873 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10874 (ARM_STRIP_NAME_ENCODING): Undefine.
10875 (STRIP_NAME_ENCODING): Undefine.
10876 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10877 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10878 (ASM_OUTPUT_COMMON): Ditto.
10879 (ASM_DECLARE_OBJECT_NAME): Ditto.
10881 * config/arm/pe.c (arm_dllexport_name_p): Check for
10883 (arm_dllimport_name_p): Ditto.
10884 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10885 (arm_mark_dllimport): Ditto.
10887 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10889 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10891 2000-02-28 Mark Mitchell <mark@codesourcery.com>
10893 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
10895 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
10897 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
10898 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
10899 NO_BUILTIN_WCHAR_TYPE is not defined.
10900 (CPP_WCHAR_TYPE): Delete.
10901 * cccp.c (main): Don't change wchar_type if cplusplus.
10902 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
10904 2000-02-28 Nick Clifton <nickc@cygnus.com>
10906 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
10908 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
10910 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
10911 (ASM_WEAKEN_LABEL): Define.
10913 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
10915 * expr.c (store_constructor): Do not emit USE.
10916 * rtl.h (stupid_life_analysis): Remove.
10918 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10920 * function.c (number_blocks): Reset next_block_index based on
10921 what debugging format is used, not what is defined.
10923 * lcm.c: Minor reformatting throughout.
10924 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
10926 * toplev.c (rest_of_compilation): Account for time in
10927 optimize_mode_switching.
10929 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
10930 if only marking labels.
10932 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
10934 * calls.c (expand_call): Attempt to combine stack adjustments with
10935 pending stack adjustments.
10937 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10939 * loop.c (reg_in_basic_block_p): Don't abort when falling through
10940 to the end of the function.
10942 2000-02-27 Mark Mitchell <mark@codesourcery.com>
10944 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
10946 * final.c (next_block_index): Remove.
10947 (max_block_depth): Likewise.
10948 (pending_blocks): Likewise.
10949 (init_final): Don't initialize them.
10950 (final_start_function): Don't set next_block_index. Set up
10952 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
10953 * function.h (number_blocks): New function.
10954 * function.c (get_block_vector): New function.
10955 (identify_blocks): Use it.
10956 (reorder_blocks): Set NOTE_BLOCK.
10957 (number_blocks): New function.
10958 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
10959 * tree.h (BLOCK_NUMBER): New macro.
10960 (tree_block): Add block_num field.
10961 * dbxout.c (next_block_number): Remove.
10962 (dbxout_init): Don't set it.
10963 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
10964 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
10966 * toplev.c (rest_of_compilation): Always call
10967 find_loop_tree_blocks. Fix indentation.
10968 * dwarf2out.c (next_block_number): Remove.
10969 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10970 to determine block numbers.
10971 (gen_inlined_subroutine_die): Likewise.
10972 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
10973 (decls_for_scope): Don't increment next_block_number.
10974 * dwarfout.c (next_block_number): Remove.
10975 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
10976 to determine block numbers.
10977 (output_inlined_subroutine_die): Likewise.
10978 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
10979 (output_decls_for_scope): Don't increment next_block_number.
10980 * sdbout.c (next_block_number): Remove.
10981 (sdbout_block): Use BLOCK_NUMBER.
10982 (sdbout_begin_block): Simplify.
10983 * xcoffout.c (next_block_number): Remove.
10984 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
10985 (xcoffout_begin_block): Don't set next_block_number.
10986 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
10989 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10991 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
10992 (expand_builtin_strcpy): Pass correct type to size_binop.
10993 (expand_builtin_strcmp): Likewise.
10994 Clean up conditional structure.
10995 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
10996 (complete_array_type): Don't use size_binop for MAXINDEX.
10997 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
10998 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
10999 (c_alignof): Use size_one_node.
11000 (build_unary_op): Pass arg of proper type to size_binop.
11001 (really_start_incremental_init, push_init_level): Use sizetype for
11002 constructor{,_bit,_unfilled}_index.
11003 (pop_init_label, output_init_element): Likewise.
11004 (output_pending_init_elements, process_init_element): Likewise.
11005 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11006 * expr.c (store_expr): Use size_int.
11007 (store_constructor): Use proper types for size_binop args.
11008 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11009 (expand_expr_unaligned): Likewise.
11010 (string_contant): Return object of sizetype.
11011 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11012 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11013 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11014 * fold-const.c (int_const_binop): Refine when size_int is called.
11015 (fold_convert): Likewise.
11016 (size_int_wide): Rework to take KIND as arg, only take low order
11017 bits, handle new sizetype_tab datatype, and chain entries in
11019 (size_int_type_wide): New function.
11020 (size_binop): Validate types of arguments.
11021 (ssize_binop): Deleted.
11022 (size_diffop): New function.
11023 (extract_muldiv): Only fold division into multiplication for sizetypes.
11024 * function.c (assign_parms): Use size_diffop and make sure
11025 VAR field is of ssizetype; also pass proper type to size_binop.
11026 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11027 (round_down): Deleted from here.
11028 * store-layout.c (sizetype_tab): Now an array.
11029 (sizetype_set, early_root_list): New variables.
11030 (variable_size): Use size_one_node.
11031 (round_up): Pass proper type to size_binop.
11032 (round_down): Moved to here and corrected as above.
11033 (layout_record): Pass proper arg types to size_binop.
11034 (layout_type): Likewise.
11035 If sizetype_set is zero, record the type just laid out.
11036 (make_unsigned_type): Don't call set_sizetype;
11037 (make_signed_type): Likewise; also, call fixup_signed_type.
11038 (initialize_sizetypes): New function.
11039 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11040 set name of bitsizetype to "bit_size_type".
11041 Fix up type of sizes of all types made before call.
11042 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11043 * tree.c (fix_sizetype): Deleted.
11044 (build_common_tree_nodes): Call initialize_sizetypes.
11045 (build_common_tree_nodes_2): Don't call fix_sizetype.
11046 * tree.h (TYPE_IS_SIZETYPE): New macro.
11047 (initialize_sizetype): New declaration.
11048 (enum size_type_kind): New type.
11049 (struct sizetype_tab): Deleted.
11050 (sizetype_tab): Now array; adjust sizetype macros.
11051 (size_diffop, size_int_type_wide): New functions.
11052 (size_int_wide): Change number of args and type; access macros changed.
11053 (ssize_int, sbitsize_int): New macros.
11054 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11055 (ROUND_TYPE_SIZE_UNIT): New macro.
11057 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11059 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11061 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11063 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11064 Mark as possibly unused.
11066 * cse.c (cse_insn): Delete dead code involving tablejump.
11067 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11069 * Makefile.in (libcpp.a): Start by deleting it.
11071 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11073 * cpplib.h (enum file_change_code): Added rename_file.
11074 * cpplib.c (do_line): If a filename is given, set file_change to
11076 (output_line_command): If file_change is rename_file, always
11077 output a # directive with the file name.
11079 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11081 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11083 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11084 when copying a PARM_DECL or RESULT_DECL.
11086 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11088 * fix-header.c (recognized_function): Also fix prototypes for
11089 functions taking "void".
11091 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11093 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11094 looking at reg_reloaded_contents.
11096 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11098 * Makefile.in (STMP_FIXINC): New toggle.
11099 (LIBGCC2_DEPS): Delete all references.
11100 (stmp-headers): Delete target. All references either deleted
11101 or changed to stmp-int-headers.
11102 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11103 (LIBCPP_OBJS): Take out cppalloc.o.
11104 (cppalloc.o): Delete target.
11105 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11106 (gen-protos, fix-header): Link with libiberty.a.
11107 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11110 * configure.in: Remove refs to strerror.
11111 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11112 * system.h: Take out strerror stanza.
11114 * cpperror.c (my_strerror): Delete function.
11115 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11116 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11117 * cppalloc.c: Delete file.
11118 * gen-protos.c: Don't provide xrealloc.
11120 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11121 xstrerror throughout.
11123 2000-02-26 Bruce Korb <bkorb@gnu.org>
11125 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11126 match for DOS headers, too.
11127 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11129 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11131 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11132 is right for most ELF targets.
11133 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11134 Let the default file use %U properly.
11135 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11138 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11141 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11143 * toplev.c (documented_lang_options): Correct spelling error.
11144 (decode_d_option, decode_f_option, main): Likewise.
11146 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11148 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11149 to tell assembler it is permitted to expand large constants.
11151 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11153 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11154 (aux_info_suffix): Use.
11155 (SAVE_SUFFIX): New macro.
11156 (save_suffix): Use.
11157 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11158 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11159 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11161 * invoke.texi (Running Protoize): Update documentation.
11163 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11165 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11167 2000-02-25 John Wehle (john@feith.com)
11169 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11171 2000-02-25 Anthony Green <green@cygnus.com>
11173 * toplev.c (rest_of_compilation): Rebuild jump labels if
11174 combine_instructions has created a new direct jump.
11175 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11177 (combine_instructions): Call try_combine with new argument.
11178 Return non-null value when new direct jump instruction is created.
11179 * rtl.h: combine_instructions returns an int.
11181 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11183 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11184 jump when changing a computed jump into a jump to a known
11187 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11189 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11190 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11192 * i386.md (define_expand "clrstrsi"): Fix typo.
11194 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11196 * rtl.texi: Fix typo.
11198 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11200 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11201 UNITS_PER_WORD. Change caller initial_elimination_offset.
11202 (rounded_frame_size): Take into account that argument pushed has
11203 changed. Fix TARGET_ALIGN_DOUBLE problem.
11205 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11207 * haifa-sched.c (schedule_block): Explain the real reason
11208 we delete REG_SAVE_NOTEs on the first insn of a block.
11209 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11211 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11213 * input.h (push_srcloc): New function.
11214 (pop_srcloc): Likewise.
11215 * toplev.c (push_srcloc): Define it.
11216 (pop_srcloc): Likewise.
11218 2000-02-24 Richard Henderson <rth@cygnus.com>
11220 * flow.c (life_analysis): When collecting reg info, clear
11223 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11225 Fix bug exposed by reload.c no longer rounding the frame
11226 size to BIGGEST_ALIGNMENT:
11227 * sh.c (rounded_frame_size): New function.
11228 (sh_expand_prologue, sh_expand_epilogue): Use it.
11229 (initial_elimination_offset): Likewise.
11231 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11233 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11234 * sh-protos.h (sh_need_epilogue): Declare.
11235 * sh.c (sh_need_epilogue_known): New static variable.
11236 (sh_need_epilogue): New function.
11237 (function_epilogue): Clear need_epilogue_known.
11238 * sh.md (return): Split into expander / insn pattern.
11239 Make the expander conditional on ! sh_need_epilogue ().
11241 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11243 * machmode.h (get_mode_alignment): Declare.
11244 (GET_MODE_ALIGNMENT): Call it.
11245 * stor-layout.c (get_mode_alignment): New function. Make
11246 sure alignment is always power of 2.
11248 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11250 * i386.h: Remove useless definition of "I386" and misleading
11253 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11255 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11256 under which TREE_PERMANENT will be set.
11257 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11258 build1): Use TREE_SET_PERMANENT.
11259 * print-tree.c (print_node): Don't report value of
11260 TREE_PERMANENT if ggc_p is true.
11262 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11263 decide whether to give a type a new alias set.
11264 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11265 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11266 of value of 'obstack'.
11269 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11271 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11273 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11275 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11276 * cpplib.c (cpp_get_token): Produce them.
11277 * cppexp.c (cpp_lex): Handle them.
11279 2000-02-23 Nick Clifton <nickc@cygnus.com>
11281 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11282 comment tests on type attributes.
11284 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11286 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11287 conform to documentation.
11288 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11289 to check for special cases.
11290 * sh-protos.h (sh_loop_align): Declare.
11291 * sh.c (sh_loop_align): Define.
11293 2000-02-22 Andrew Haley <aph@cygnus.com>
11295 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11296 (SIZE_TYPE): Is 32 bits when using -mgp32.
11297 (PTRDIFF_TYPE): Ditto.
11299 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11301 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11303 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11305 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11306 BIGGEST_FIELD_ALIGNMENT a constant.
11308 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11310 * dwarf2out.c (output_line_info): Put the marker for the end of
11311 the line number info at the actual end.
11312 (gen_struct_or_union_type_die): Use decl_function_context
11313 to check for local classes.
11314 * dwarfout.c (output_type): Likewise.
11316 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11318 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11319 for arguments with a mode, but no type.
11320 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11321 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11322 * pa/long_double.h: New file.
11323 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11324 both have 128bit wide long doubles.
11325 * configure: Rebuilt.
11327 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11329 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11331 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11332 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11333 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11335 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11337 * integrate.c (compare_blocks, find_block): Likewise.
11339 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11341 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11343 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11344 expand_asm_operands): Likewise.
11346 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11348 * predict.c (estimate_probability): Added the pointer heuristic to
11349 the collection of static branch predictors.
11351 2000-02-21 Catherine Moore <clm@cygnus.com>
11353 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11354 * invoke.texi (-mfix7000): Document.
11356 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11358 * diagnostic.c (init_output_buffer): Make it possible to output at
11359 least 32 characters if we're given a too long prefix.
11361 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11363 * varasm.c (initializer_constant_valid_p): Call
11364 lang_expand_constant to simplify the constant.
11366 2000-02-20 Bruce Korb <bkorb@gnu.org>
11368 * fixinc/inclhack.def(stdio_va_list):
11369 typedef needs to be disabled.
11370 * fixinc/inclhack.sh: regen
11371 * fixinc/fixincl.x: regen
11373 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11375 * print-rtl.c (print_rtx): Don't print addresses when
11376 flag_dump_unnumbered.
11378 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11380 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11382 (sparc_va_arg, sparc_flat_output_function_prologue,
11383 sparc_flat_output_function_epilogue): Cast value to unsigned in
11385 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11387 * sparc.md: Add default case in switch.
11389 2000-02-19 Richard Henderson <rth@cygnus.com>
11391 * c-typeck.c (add_pending_init): Don't abort for multiple
11392 fields at the same offset.
11393 (pending_init_member): Test the correct member.
11395 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11397 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11399 (start_catch_handler) : Same.
11401 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11403 * Makefile.in: Have flow.o depend on $(EXPR_H)
11405 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11407 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11408 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11409 (finish_decl): Remove -Wlarger-than code from here.
11410 * flags.h (id_clash_len): Now int.
11411 (larger_than_size): Now HOST_WIDE_INT.
11412 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11413 Clean up checking to see if in table.
11414 (make_bit_field_ref): Remove extra parm to bitsize_int.
11415 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11416 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11417 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11418 and for computing size of decl.
11419 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11420 Move -Wlarger-than code to here.
11421 (layout_record): Remove extra arg to bitsize_int.
11422 Set TYPE_BINFO_SIZE_UNIT.
11423 (layout_union): Remove extra arg to bitsize_int.
11424 Use proper type for size of QUAL_UNION.
11425 (layout_type): Remove extra arg to bitsize_int.
11426 * toplev.c (id_clash_len): Now int.
11427 (larger_than_size): Now HOST_WIDE_INT.
11428 (decode_W_option): Clean up id-clash and larger-than- cases.
11429 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11430 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11431 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11432 (struct tree_decl): New field size_unit.
11433 (size_int_wide): No HIGH operand; NUMBER is now signed.
11434 (size_int_2): Deleted.
11435 (size_int, bitsize_int): Don't use it and rework args.
11436 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11438 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11440 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11442 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11444 * invoke.texi (Warning Options): Add an explanation of why
11445 you might want the -Wfloat-equal flag.
11447 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11449 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11450 * cppinit.c (new_pending_define): Add cast to avoid warning.
11451 * expmed.c (extract_bit_field): Likewise.
11452 * flow.c (enum reorder_skip_type): New type.
11453 (skip_insns_between_blcok): New it.
11454 Rework to avoid warning about possibly undefined variable.
11455 * function.c (assign_parms): Make thisparm_boundary unsigned.
11456 * genrecog.c (write_switch): Cast XWINT result to int.
11457 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11458 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11459 one for MIPS and one for Alpha.
11460 (get_tag, copy_object): Add casts to avoid warnings.
11461 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11462 * reload.c (find_reloads): Make TYPE enum reload_type.
11463 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11464 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11465 * varasm.c (compare_constant_1): Add cast to avoid warning.
11466 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11468 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11469 Cast switch operand of size to int.
11470 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11471 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11474 2000-02-18 Nick Clifton <nickc@cygnus.com>
11476 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11477 anything for an alignment of zero.
11479 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11480 anything for an alignment of zero.
11482 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11484 * gcc.texi (Bug Reporting): Refer to bugs.html.
11485 (Bug Lists): Likewise.
11486 * system.h (GCCBUGURL): New preprocessor define.
11487 * rtl.c (fancy_abort): Use it.
11488 * gcc.c (main): Likewise.
11490 2000-02-18 Richard Henderson <rth@cygnus.com>
11492 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11493 (life_analysis_1): Subsume into ...
11494 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11495 Use update_life_info for the relaxation.
11496 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11497 entry and regs_live_at_setjmp.
11498 (set_noop_p): Simplify.
11499 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11500 (record_volatile_insns): Split into ...
11501 (delete_noop_moves): ... here,
11502 (notice_stack_pointer_modification): ... here,
11503 (insn_dead_p): ... and here.
11504 (propagate_block): Don't query INSN_VOLATILE.
11505 (mark_used_regs): Mind !PROP_REG_INFO.
11506 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11507 not in life_analysis.
11509 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11511 * loop.c (canonicalize_condition): New function,
11512 broken out of get_condition.
11513 (get_condition): Use it.
11514 * expr.h (canonicalize_condition): Prototype it.
11516 * tree.h (tree_int_cst_msb): Declare.
11517 * tree.c (tree_int_cst_msb): New function.
11519 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11521 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11524 * invoke.texi (-fmessage-length=n): Document.
11526 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11528 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11530 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11532 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11533 after the prologue.
11535 2000-02-17 Nick Clifton <nickc@cygnus.com>
11537 * config/arm/thumb.c: Replace includes of system headers with
11538 #include "system.h".
11540 2000-02-16 Richard Henderson <rth@cygnus.com>
11542 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11543 Add crtbeginS.o and crtendS.o.
11544 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11545 (ENDFILE_SPEC): Use crtendS.o.
11546 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11548 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11549 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11550 shared and present.
11551 (__dso_handle): New variable.
11552 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11553 bias to __CTOR_END__.
11555 2000-02-16 Richard Henderson <rth@cygnus.com>
11557 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11559 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11561 * longlong.h (__clz_tab): Declare as static to match definition.
11563 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11565 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11566 (XREF_FILE_NAME): Define.
11568 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11569 (EH_FRAME_SECTION_ASM_OP): Define.
11570 (IDENT_ASM_OP): Define.
11571 (TEXT_SECTION_ASM_OP): Define.
11572 (CPP_SPEC): Define.
11573 (CTORS_SECTION_ASM_OP): Define.
11574 (CTOR_SECTION_FUNCTION): Use it.
11575 (DTORS_SECTION_ASM_OP): Define.
11576 (DTOR_SECTION_FUNCTION): Use it.
11578 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11580 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11583 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11584 debug_bb_n): New functions.
11585 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11586 * basic-block.h: Prototype new functions.
11588 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11590 * configure.in: Add support for avr target.
11591 * configure: Rebuilt.
11593 * invoke.texi: Add AVR invocation docs.
11594 * install.texi: Add information about AVR.
11595 * md.texi: Add AVR constraint letters description.
11596 * extend.texi: Add description for AVR specific attributes.
11598 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11600 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11602 2000-02-16 Nick Clifton <nickc@cygnus.com>
11604 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11605 (make_insn_raw): Move RTL check here.
11607 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11609 * version.c: Include gansidecl.h and version.h.
11611 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11613 * configure.in (gcc_version): When setting, narrow search to
11614 lines containing `version_string'.
11616 * Makefile.in (mainversion): Likewise.
11617 (GCC_H): New variable.
11618 (gcc.h): Delete target.
11619 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11620 (version.o): Depend on version.h.
11621 (dbxout.o): Don't depend on gcc.h.
11623 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11624 Michael Meissner <meissner@cygnus.com>
11626 * md.texi (Simple Constraints): Add item about whitespace.
11627 * genoutput.c (strip_whitespace): New.
11628 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11629 strip_whitespace for constraints.
11630 Test pointer using NULL, not 0.
11632 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11634 * cpplib.c (do_line): Pedwarn for #line > 32767.
11636 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11638 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11640 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11641 to default cpp spec.
11642 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11643 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11646 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11649 2000-02-15 Denis Chertykov <denisc@overta.ru>
11651 * configure.in: Add support for avr target.
11653 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11655 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11656 (sh_addr_diff_vec_mode): Don't declare.
11657 * sh.c (sh_addr_diff_vec_mode): Delete.
11659 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11661 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11663 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11665 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11666 (smulsi3_highpart_i): Name.
11667 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11668 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11669 (smulsi3_highpart, umulsi3_highpart): Likewise.
11671 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11672 correctly independent of endianness.
11673 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11674 confuse the optimizers.
11675 (mulsidi3+1, umulsidi3+1): New define_split.
11677 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11679 * config/sh/sh.md: Guard insn splits against illegal registers.
11680 * config/sh/sh.h: Correct comment about macros.
11682 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11683 Andrew MacLeod <amacleod@cygnus.com>
11685 * Makefile.in (lcm.o): Depend on insn-attr.h.
11686 * basic-block.h (optimize_mode_switching): Declare.
11687 * lcm.c (tm_p.h, insn-attr.h): #include.
11688 (seginfo, bb_info): New structs.
11689 (antic, transp, comp, delete, insert) : New file-scope static variables.
11690 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11691 (reg_becomes_live, optimize_mode_switching): Likewise.
11692 * tm.texi: Add description of mode switching macros.
11693 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11695 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11696 (fldi_ok, fpscr_set_from_mem): New prototypes.
11697 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11698 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11699 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11700 (sh_flag_remove_dead_before_cse): Remove declaration.
11701 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11702 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11703 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11704 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11705 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11706 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11707 (fldi_ok): New function.
11708 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11709 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11710 (emit_df_insn): Likewise.
11711 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11712 (sh_flag_remove_dead_before_cse): Delete.
11713 (get_free_reg, fpscr_set_from_mem): New functions.
11714 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11715 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11717 2000-02-15 Loren Rittle <ljrittle@acm.org>
11719 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11721 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11723 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11724 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11726 * cccp.c: Include version.h and/or don't declare `version_string'.
11727 * collect2.c: Likewise.
11728 * alpha.c: Likewise.
11729 * arm/aof.h: Likewise.
11730 * arm/coff.h: Likewise.
11731 * arm/elf.h: Likewise.
11732 * arm/pe.h: Likewise.
11733 * arm/tcoff.h: Likewise.
11734 * arm/telf.h: Likewise.
11735 * arm/tpe.h: Likewise.
11736 * arm/vxarm.h: Likewise.
11737 * convex/convex.c: Likewise.
11738 * i386/dgux.c: Likewise.
11739 * i386/sun386.h: Likewise.
11740 * m88k/m88k.c: Likewise.
11741 * mcore/mcore-pe.h: Likewise.
11742 * mips/mips.h: Likewise.
11743 * romp/romp.h: Likewise.
11744 * sh/sh.c: Likewise.
11745 * cpphash.c: Likewise.
11746 * cppinit.c: Likewise.
11747 * dwarf2out.c: Likewise.
11748 * dwarfout.c: Likewise.
11751 * mips-tfile.c: Likewise.
11752 * protoize.c: Likewise.
11753 * toplev.c: Likewise.
11754 * tree.h: Likewise.
11756 * version.c (version_string): Constify a char*.
11758 * version.h: New file.
11760 2000-02-14 Nick Clifton <nickc@cygnus.com>
11762 * configure.in: Add mcore-elf and mcore-pe targets.
11763 * configure: Regenerate.
11765 * NEWS: Add note that MCore port has been contributed.
11767 * invoke.texi: Document command line switches for MCore port.
11768 * install.texi: Add MCore to list of supported targets.
11770 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11772 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11773 then we will need to import the frame handling functions.
11774 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11775 to import the frames themselves.
11777 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11778 Jason Eckhardt <jle@cygnus.com>
11780 * basic_block.h: Added prototype for reorder_basic_blocks.
11781 * toplev.c: Changes to add -freorder-blocks and graph dump after
11782 block reordering is done.
11783 * flow.c (reorder_block_def): New structure for use during block
11785 (REORDER_BLOCK_*): New macros to access members of above structure.
11786 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11787 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11788 functions for block reordering.
11790 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11792 * gcc.texi (Passes): Fix typo.
11793 * md.texi (Standard Names): Ditto.
11794 * tm.texi (Storage Layout): Ditto.
11796 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11798 * cpplib.c (do_define): Only free the old definition if it
11801 2000-02-13 Neil Booth <NeilB@earthling.net>
11803 * cppfiles.c (read_and_prescan): When emitting deferred
11804 newlines, test speccase[] again instead of checking each
11805 possible whitespace character in turn. When we encounter \r,
11806 look behind for \n first, then ahead.
11808 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11810 * cse.c (cse_altered): New internal flag.
11811 (cse_insn): Set it if we changed an insn.
11812 (cse_main): Clear cse_altered before each basic block.
11813 Only garbage collect if cse_altered is true afterward.
11815 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11817 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11819 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11821 * combine.c (simplify_comparison): Fix typo.
11823 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11825 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11828 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11830 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11831 previously inserted node instead of root node. Caller changed.
11833 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11835 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11837 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11839 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11840 __dereg_frame_dtor): Add prototype argument.
11842 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11844 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11846 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11848 * gthr-vxworks.h (__gthread_once): Likewise.
11850 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11852 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11854 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11855 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11856 stack pointer in functions w/o saved registers, output LEAVE more often
11857 on TARGET_USE_LEAVE machines.
11859 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11861 * config/arm/arm.c (arm_init_cumulative_args); New function:
11862 Initlaise the CUMULATIE_ARGS strcuture for a function
11864 (arm_function_arg): New function: Determine where to place a
11865 function's argument. Also handles deciding the function's
11867 (current_file_function_operand): New function: Return true if
11868 the symbol is a function which has already been compiled.
11869 (arm_is_long_call_p): New function: Return true if the
11870 indicated function should be called via a long call.
11871 (arm_valid_type_attribute_p): New function: Return true if the
11872 attribute is a valid, arm specific, attribute.
11873 (arm_comp_type_attribute): New function: Return true if the
11874 two types have compatable, arm specific, attributes.
11876 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11878 (FUNCTION_ARG): Redefine to call arm_function_arg.
11879 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11881 (INIT_CUMULATIVE_ARGS): Redefine to call
11882 arm_init_cumulative_args.
11883 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11885 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11887 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11889 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11890 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11891 (COMP_TYPE_ATTRIBUTES): Define.
11893 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
11894 if a long call is needed.
11895 (call_value): Call arm_is_long_call_p to decide if a long call
11897 (call_symbol): Call arm_is_long_call_p to decide if a long call
11900 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
11902 2000-02-11 Denis Chertykov <denisc@overta.ru>
11904 * README.AVR: New file with information about the avr ports.
11905 * config/avr: New directory with avr port files.
11907 2000-02-11 Andreas Jaeger <aj@suse.de>
11909 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
11911 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
11913 * cpphash.c: Fix formatting, update commentary.
11914 (dump_definition): Take three separate arguments instead of a
11915 MACRODEF structure argument.
11916 * cpphash.h: Update prototype of dump_definition.
11917 * cppinit.c (cpp_finish): Update call of dump_definition.
11919 * cpplib.c (do_define): Always create new hash entry with
11920 T_MACRO type. Remove redundant check for redefinition of
11921 poisoned identifier. Update call of dump_definition.
11922 (do_undef): Don't call check_macro_name. Rename sym_length to
11924 (do_error, do_warning): Don't use copy_rest_of_line or
11926 (do_warning): Don't use pedwarn for the actual warning,
11927 only the notice about its not being in the standard. (Fixes
11928 bug with #warning in system headers.)
11929 (do_ident): Stricter argument checking - accept only a single
11930 string after #ident. Also, macro-expand the line.
11931 (do_xifdef): Use cpp_defined. De-obfuscate.
11933 (do_pragma): Split out specific pragma handling to separate
11934 functions. Use get_directive_token. Update commentary. Do
11935 not pass on #pragma once or #pragma poison to the front end.
11936 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
11937 do_pragma_default): New.
11939 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
11941 * jump.c (jump_optimize_1): The first operand in a relational
11942 can be a CONST_INT.
11943 * optabs.c (emit_conditional_move): Handle relationals which
11944 have a known true/false result.
11946 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11948 * function.c (thread_prologue_and_epilogue_insns): Don't insert
11949 a RETURN insn into a block which already ends with a jump.
11951 2000-02-11 Geoff Keating <geoffk@cygnus.com>
11953 * haifa-sched.c (BUF_LEN): Increase a lot.
11955 2000-02-11 Nick Clifton <nickc@cygnus.com>
11957 * configure.in: Add tm_p_file specification for thumb targets.
11958 * configure: Regenerate.
11960 * config/arm/thumb-protos.h: New file: Prototypes for exported
11961 functions defined in thumb.c.
11963 2000-02-11 Robert Lipe <robertl@sco.com>
11965 * Makefile.in (bootstrap-lean): Remove additional files.
11966 (bootstrap2-lean): Likewise.
11967 (VOL_FILES): List of files for above.
11969 2000-02-11 Nathan Sidwell <nathan@acm.org>
11971 * cpphash.c (special_symbol): Remove spurious argument to
11974 2000-02-11 Joel Sherrill (joel@OARcorp.com>
11976 * configure.in: (i*86-*-rtems*): Swapped elf and coff
11978 * configure: Rebuilt.
11980 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
11982 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
11984 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
11986 * pa.c, pa.h: Remove trigraph sequences within comments.
11988 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
11990 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
11992 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
11994 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
11996 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11998 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12000 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12002 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12003 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12004 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12005 (ASM_FILE_END): Use c4x_file_end.
12006 * config/c4x/c4x.c (c4x_global_label): New function.
12007 (c4x_external_ref, c4x_file_end): Likewise.
12009 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12010 (c4x_external_ref, c4x_end_file): Likewise.
12012 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12014 * cppexp.c: Don't include cpphash.h.
12015 (parse_charconst, cpp_lex): Use cpp_defined.
12016 (cpp_lex): Use get_directive_token throughout. Remove
12017 unnecessary cases from switch. Move assertion-handling code
12018 down to OTHER case.
12019 (cpp_parse_expr): If we see '+' or '-', check the context to
12020 determine if they are unary or binary operators. Streamline
12021 the jumps a bit. Do not call skip_rest_of_line.
12023 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12024 static. Export get_directive_token. Update commentary.
12025 (cpp_defined): New function.
12026 (do_define): Remove reference to T_PCSTRING. Call
12027 free_definition to release memory for old definition, when
12028 redefining a macro.
12029 (eval_if_expression): Set only_seen_white to 0 before calling
12030 cpp_parse_expr. Call skip_rest_of_line after it returns.
12031 (cpp_read_check_assertion): Don't preserve a pointer into the
12032 token buffer across a call to cpp_get_token.
12034 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12035 * cppfiles.c (redundant_include_p): Use cpp_defined.
12036 * cpphash.c (free_definition): New function.
12037 (delete_macro): Use it. Update commentary.
12038 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12040 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12041 from enum node_type. Prototype cpp_defined and get_directive_token.
12042 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12044 * fix-header.c (check_macro_names): Use cpp_defined.
12045 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12046 the options structure.
12048 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12050 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12052 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12054 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12055 rather than die->die_tag.
12057 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12059 * combine.c (make_extraction, force_to_mode): Avoid warning on
12060 mixed-signedness conditionals.
12061 (make_field_assignment, nonzero_bits): Likewise.
12062 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12063 (store_split_bit_field, extract_split_bit_field): Likewise.
12064 (extract_fixed_bit_field, store_bit_field,
12065 * expr.c: Change alignment to be unsigned everywhere.
12066 (move_by_pieces, store_constructor_field, store_constructor):
12067 Alignment parm is unsigned.
12068 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12069 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12070 (do_compare_rtx_and_jump): Likewise.
12071 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12072 Compare align with GET_MODE_ALIGNMENT.
12073 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12074 (get_inner_reference): Likewise.
12075 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12076 (expand_assignment): Local vars for alignment now unsigned.
12077 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12078 (do_compare_and_jump): Likewise.
12079 (store_field): Call new function expr_align.
12080 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12081 Alignment arg now unsigned.
12082 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12083 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12084 (extract_bit_field): Likewise.
12085 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12086 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12087 (get_best_mode): Alignment arg is unsigned.
12088 * rtl.h (move_by_pieces): Likewise.
12089 * store-layout.c (maximum_field_alignment, set_alignment):
12091 (layout_decl): Alignment arg is now unsigned.
12092 Remove unneeded casts.
12093 (layout_record, layout_union, layout_type): Remove unneeded casts.
12094 Local alignment variables now unsigned.
12095 (get_best_mode): Alignment arg now unsigned.
12096 * tree.c (expr_align): New function.
12097 * tree.h (expr_align): Likewise.
12098 (maximum_field_alignment, set_alignment): Now unsigned.
12099 (get_inner_reference): Alignment argument is now pointer to unsigned.
12100 * varasm.c (assemble_variable): Add cast to eliminate warning.
12102 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12104 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12105 then store directly into op0.
12107 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12108 the CALL_INSN, and emit the note immediately after it.
12110 2000-02-10 Nick Clifton <nickc@cygnus.com>
12112 * config/arm/thumb.md (epilogue): Include a (return) in the
12113 generated insn, and emit it using emit_jump_insn not
12116 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12118 * function.c (assign_temp): Change zero-sized arrays to size 1.
12119 * integrate.c (expand_inline_function): Do not update
12120 stack_alignment_needed
12121 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12122 add some sanity checking, remove optimization for function with
12125 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12127 * flow.c (mark_regs_live_at_end): Delete unused variables.
12129 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12131 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12132 in macro FRAME_GROWS_DOWNWARD.
12134 * stmt.c (expand_end_bindings): Delete unused variable.
12136 * unroll.c (iteration_info): Mark parameter `loop' with
12139 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12141 * fixinc/server.c (load_data): Return NULL if the marker line is
12143 (run_shell): If load_data returns NULL, retry the command once, in
12146 * configure: Rebuilt.
12148 2000-02-09 Bruce Korb <bkorb@gnu.org>
12150 * gcc/fixincludes: ** DELETED **
12151 * gcc/fixcpp: ** DELETED **
12152 * gcc/fixinc-nt.sed: ** DELETED **
12153 * gcc/just-fixinc: ** DELETED **
12154 * gcc/Makefile.in: Removed out-dated commentary
12155 * gcc/configure.in: Removed fast-fixincludes disablement.
12156 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12158 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12159 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12162 2000-02-09 Richard Henderson <rth@cygnus.com>
12164 * jump.c (delete_insn): Don't delete user labels at -O0.
12166 2000-02-09 Robert Lipe <robertl@sco.com>
12168 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12169 Don't link with HOST_LIBS.
12171 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12173 * configure.in: Correct --help text for --with-dwarf2.
12174 Put tm-dwarf2.h after other tm files, if it's requested.
12175 * configure: Regenerate.
12176 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12179 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12181 * cpplib.h: Provide HASHNODE typedef and forward decl of
12182 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12183 DEFINITION, struct hashnode, struct macrodef, struct
12184 definition, scan_decls prototype, default defn of
12185 INCLUDE_LEN_FUDGE moved elsewhere.
12187 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12188 definition, and struct hashnode moved here. Remove the unused
12189 'predefined' field from struct definition. Replace the 'args'
12190 union with its sole member. All users updated (cpphash.c).
12191 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12192 multiple include guard.
12194 * cpphash.c (hashf): Make static; use better algorithm; drop
12195 HASHSIZE parameter; return an unsigned int.
12196 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12197 used. Calculate HASHSIZE modulus here.
12198 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12200 (create_definition): Drop PREDEFINITION parameter.
12201 * cpplib.c (do_define): Don't calculate a hash value here.
12202 Don't pass (keyword == NULL) to create_definition.
12204 * scan.h: Prototype scan_decls here.
12205 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12206 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12207 callers of cpp_lookup and cpp_install updated.
12209 * cpphash.c (macarg): Hoist all the flag diddling out of the
12211 (macroexpand): ... and out of the loop that calls macarg.
12212 Skip over the initial paren before macro arguments with
12213 cpp_get_non_space_token; point may be some distance before
12214 that paren. Abort if it's not there.
12216 * cpplib.c (parse_clear_mark): Delete function.
12217 (parse_set_mark, parse_goto_mark): Make static.
12218 (ACTIVE_MARK_P): New macro.
12219 (skip_block_comment, skip_line_comment): Do not bump the line
12220 if ACTIVE_MARK_P is true.
12221 (cpp_pop_buffer): The buffer to be popped may not have an
12223 (cpp_get_token): When looking for the initial paren before
12224 macro arguments, only set a mark in a file buffer, Always
12225 return to that mark before proceeding to call macroexpand or
12226 return a NAME token.
12228 * cpplib.h: Remove prototypes of parse_set_mark,
12229 parse_clear_mark, parse_goto_mark.
12230 (struct cpp_options): Rename 'put_out_comments' to
12231 'discard_comments' and invert its sense.
12232 * cppinit.c, cpphash.c, cpplib.c: All users of
12233 put_out_comments changed to use discard_comments, with
12236 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12238 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12239 the edge from a block that both jumps and falls through to the
12242 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12244 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12245 constant source address is legitimate.
12247 2000-02-09 Philip Blundell <pb@futuretv.com>
12249 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12252 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12254 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12256 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12258 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12259 ends with a newline and a NUL. Don't be so clever manipulating
12262 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12264 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12265 not to BIGGEST_ALIGNMENT.
12267 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12269 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12270 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12271 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12272 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12273 * frame.c (execute_cfa_insn): Handle
12274 DW_CFA_GNU_negative_offset_extended.
12276 2000-02-08 Richard Henderson <rth@cygnus.com>
12278 * flow.c (tidy_fallthru_edges): Split out from ...
12279 (delete_unreachable_blocks): ... here.
12280 (find_basic_blocks): Use it.
12282 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12284 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12286 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12288 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12289 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12290 (fix-header.o): Don't depend on cpphash.h.
12292 * scan.c (hashstr): New function.
12293 * scan.h: Prototype it.
12294 * fix-header.c: Don't include cpphash.h. Use hashstr.
12295 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12296 hashstr. Report hash table statistics. Add private
12297 definition of xrealloc.
12299 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12301 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12303 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12305 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12306 jumps with returns unless they are jumps to the fallthru block.
12308 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12310 * i386.md (addqi3_cc): Fix contraints.
12312 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12314 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12316 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12318 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12319 carriage return after a macro name.
12321 2000-02-07 Fred Fish <fnf@be.com>
12323 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12324 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12326 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12328 * cppfiles.c (deps_output): Count spacers in deps_column.
12330 2000-02-07 Neil Booth <NeilB@earthling.net>
12332 * cppinit.c (initialize_dependency_output): If there is no
12333 suffix, don't try to look for known suffixes. Use strrchr.
12334 (cpp_start_read): Remove duplicate initialization.
12336 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12338 * calls.c (compute_argument_block_size): New argument
12339 preferred_stack_boundary.
12340 (expand_call): update cfun->preferred_stack_boundary, update call of
12341 compute_argument_block_size
12342 (emit_library_call): Increate cfun->preferred_stack_boundary
12343 to PREFERRED_STACK_BOUNDARY
12344 (emit_library_call_value): Likewise.
12345 * explow.c (allocate_dynamic_stack_spave): Likewise.
12346 * function.c (prepare_function_start): Set
12347 cfun->preferred_stack_boundary
12348 * function.h (struct function): Add preferred_stack_boundary field.
12349 * integrate.c (expand_inline_function): Update
12350 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12351 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12352 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12354 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12356 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12357 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12358 cpp_pedwarn, cpp_pedwarn_with_line,
12359 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12360 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12361 v_cpp_error_with_line, v_cpp_warning_with_line,
12362 cpp_message_from_errno, cpp_perror_with_name): Delete.
12364 * cpperror.c (cpp_print_containing_files): Take starting
12365 buffer as argument.
12366 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12367 (v_cpp_message): Now called directly by all entry points.
12369 (cpp_pfatal_with_name, cpp_message): Delete.
12370 (cpp_notice_from_errno, cpp_ice): New functions.
12371 (cpp_notice): Is now for reporting error conditions, just
12372 without an associated file.
12373 (cpp_error, cpp_error_with_line): Don't do anything if
12374 opts->inhibit_errors is on.
12375 (cpp_pedwarn_with_file_and_line): Take column argument also.
12377 * cpplib.h: Update prototypes of exported functions.
12378 (struct cpp_options): Add inhibit_errors.
12380 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12381 non-error messages. Include intl.h.
12383 * cppinit.c, cppmain.c: Likewise. Also, use
12384 cpp_notice_from_errno instead of cpp_perror_with_name or
12385 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12387 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12388 report internal errors.
12390 * cpplib.c (do_define): Switch bcopy to memcpy.
12391 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12393 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12394 bail out early if we hit a line comment.
12396 2000-02-06 Richard Henderson <rth@cygnus.com>
12398 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12399 * basic-block.h: Declare them.
12400 * emit-rtl.h (active_insn_p): New.
12401 (next_active_insn, prev_active_insn): Use it.
12402 * rtl.h: Declare it.
12403 * function.c (emit_return_into_block): New.
12404 (thread_prologue_and_epilogue_insns): Insert return insns instead
12405 of epilogues when possible.
12406 * jump.c (jump_optimize_1): Remove code to insert a return insn
12407 on the fallthru to the exit block.
12409 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12410 and for non-empty stack frames.
12411 * i386.md (return): Expand to return-pop as needed.
12413 2000-02-06 Richard Henderson <rth@cygnus.com>
12415 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12416 constant to op1 for testing.
12418 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12420 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12421 (fixuns_truncqfqi2): Use it.
12423 2000-02-06 Richard Henderson <rth@cygnus.com>
12425 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12426 as a TYPE_LEA insn.
12428 * i386.md (widening and peepholes): Mask the constant instead of
12431 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12433 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12434 input pointer before possibly branching off to the backslash
12436 * cpphash.c (macroexpand): Correctly delete \r escapes when
12437 stringifying parameters.
12438 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12439 if we can; bail out early if we hit a line comment.
12440 (handle_directive): Treat '# 123' in an .S file just like
12441 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12442 Return 1 for '# not_a_directive'.
12443 (get_directive_token): Pop macro buffers here, so that
12444 cpp_get_token can't sneakily move past a newline.
12446 (cpp_get_token): goto randomchar if handle_directive returns 0.
12448 * cppalloc.c: Update copyright.
12449 * cpplib.c: Merge all the static function prototypes into one
12451 * cpplib.h: Remove #if 0 block.
12453 * cpperror.c: Remove #ifdef EMACS block.
12454 * cppmain.c: Likewise.
12455 * cpphash.c: Remove #if 0 blocks.
12456 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12457 * cpplib.c: Remove #if 0 blocks and code referencing
12458 pcp_inside_if or for_lint. Remove duplicate error message.
12459 Fix error messages for #else after #else or #elif. Reformat.
12460 Remove archaic TODO list.
12461 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12463 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12465 * i386/osf1elf.h: Add missing backslash to multiline string.
12467 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12469 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12471 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12473 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12475 * c-common.c: Include expr.h.
12477 * c-pragma.c (mark_align_stack): Add prototype.
12479 * caller-save.c (add_stored_regs): Likewise.
12481 * combine.c (record_promoted_value): Likewise.
12483 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12486 * cppinit.c (new_pending_define): Likewise.
12488 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12490 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12491 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12492 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12493 class_scope_p): Likewise.
12495 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12496 dwarf2out_add_library_unit_info): Likewise.
12498 * ggc.h (ggc_page_print_statistics): Likewise.
12500 * haifa-sched.c (propagate_deps): Likewise.
12502 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12504 * rtl.h (set_stack_check_libfunc): Likewise.
12506 * toplev.h (set_fatal_function): Likewise.
12508 * toplev.c (set_fatal_function): Delete prototype.
12510 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12512 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12514 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12515 (FUNC_END): Likewise.
12517 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12519 * caller-save.c: Include tm_p.h.
12521 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12523 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12525 2000-02-04 Neil Booth <NeilB@earthling.net>
12527 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12530 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12532 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12533 * genflags.c: Use the max_operand_1 logic from genemit.c to
12534 calculate how many arguments gen_insn prototypes have. Remove
12535 NO_MD_PROTOTYPES ifdefs from the generated file.
12536 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12537 file. Cast gen_insn initializers to insn_gen_fn.
12538 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12539 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12541 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12543 * fixinc/Makefile.in (HDR): Add machname.h.
12546 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12548 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12549 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12550 (c4x_cpu_version): Ditto.
12551 * config/c4x/c4x-protos.h: ... here.
12553 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12555 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12556 gen_abstract_function on our context if we're a nested function.
12558 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12560 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12561 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12563 2000-02-04 Bruce Korb <bkorb@gnu.org>
12565 * fixinc/genfixes(machname.h):
12566 Move the functionality from gen-machine.h into this file.
12567 UNdef MN_NAME_PAT if there are no names to change.
12568 Also, be a little kinder when AutoGen is not present.
12570 * fixinc/Makefile.in(machname.h):
12571 Change the generation rule to use genfixes.
12573 * fixinc/fixfixes.c(machine_name):
12574 machine_name_fix's functionality now dependent upon whether
12575 MN_NAME_PAT is defined.
12577 * fixinc/fixtests.c(machine_name):
12580 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12583 * fixinc/fixlib.h(mn_get_regexps):
12586 * fixinc/gen-machine.h: DELETED
12588 2000-02-04 Jan Hubicka <jh@suse.cz>
12589 Richard Henderson <rth@cygnus.com>
12591 * i386.c (SAVE_REGS_FIRST): Remove.
12592 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12593 (ix86_compute_frame_size): Likewise.
12594 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12595 (ix86_emit_restore_regs): Remove.
12596 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12597 when a frame pointer is in use.
12598 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12599 instead of pop to restore a register when profitable; emit leave
12601 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12602 as a TYPE_LEA insn.
12603 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12604 * i386.md (prologue_allocate_stack): Remove.
12605 (epilogue_deallocate_stack): Remove.
12606 (pro_epilogue_adjust_stack): New.
12608 2000-02-04 Richard Henderson <rth@cygnus.com>
12610 * function.c (diddle_return_value): Rework to use a callback function.
12611 Use current_function_return_rtx if it's been set up.
12612 (do_clobber_return_reg, clobber_return_register): New.
12613 (do_use_return_reg, use_return_register): New.
12614 (expand_function_end): Use them.
12615 * stmt.c (expand_null_return): Likewise.
12616 * function.h: Declare them.
12617 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12618 (mark_reg): Change arguments as appropriate for callback.
12619 * integrate.c (expand_inline_function): Revert 19 Jan change.
12621 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12623 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12624 (Misc): Say the scheduler, not the Haifa scheduler.
12626 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12628 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12629 when in_mem is set. Update all callers.
12631 2000-02-04 Richard Henderson <rth@cygnus.com>
12633 * i386/openbsd.h (INT_ASM_OP): Define.
12635 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12637 * tm.texi: Fix various typos.
12639 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12641 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12642 (MD_STARTFILE_PREFIX_1): New macro.
12644 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12646 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12647 destination when needed.
12648 (strmovsi, strsetsi): New expander.
12649 (strmovsi_1, strsetsi_1): New pattern.
12650 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12651 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12652 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12653 * invoke.texi (align-stringops, inline-all-stringops): Document.
12655 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12657 * i386/netbsd.h (INT_ASM_OP): Define.
12659 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12661 * cpplib.h (cpp_reader): Add new flag, no_directives.
12662 * cpphash.c (macarg): Set it.
12663 * cpplib.c (handle_directive): If no_directives is on and we
12664 find a directive, issue an error and discard the line.
12666 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12668 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12669 FP constants. Add ! TARGET_FPU check for FP constants.
12671 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12673 * flow.c (find_basic_blocks): Don't kill label_value_list
12675 (cleanup_cfg): Kill it here.
12677 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12679 * expr.c (store_field): Ensure ALIGN is no stricter than the
12682 2000-02-02 Richard Henderson <rth@cygnus.com>
12684 * jump.c (delete_insn): Partially revert 19 Jan change;
12685 don't convert unused code labels to notes at -O0.
12687 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12689 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12690 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12692 2000-02-01 Richard Henderson <rth@cygnus.com>
12694 * i386.c (general_no_elim_operand): New.
12695 (nonmemory_no_elim_operand): New.
12696 (ix86_expand_move): Copy eliminable operands before a push.
12697 * i386-protos.h: Declare new functions.
12698 * i386.h (CAN_ELIMINATE): Simplify.
12699 (PREDICATE_CODES): Update.
12700 * i386.md (push insns): Don't allow eliminable register operands.
12702 2000-02-01 Richard Henderson <rth@cygnus.com>
12704 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12705 replace BLKmode with DECL_RTL's mode.
12707 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12709 * frame.c (find_fde): Convert for loop to do-while so compiler
12710 sees it's always executed at least once.
12711 * libgcc2.c (BBINBUFSIZE): Kill.
12712 (__bb_init_prg): Use fgets.
12713 (__bb_exit_trace_func): Don't paste strings.
12714 * unroll.c (unroll_loop): Initialize unroll_type, not
12715 unroll_number, and tweak logic to match.
12717 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12719 (ix86_flags_dependant): Likewise. Disentangle control flow.
12720 (ix86_sched_reorder): Break guts out to
12721 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12722 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12725 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12726 use string concatenation. Don't save and restore esi.
12728 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12729 (machname.h): Remove script to separate file. Use two-step
12730 sequence so target is not created if script fails.
12731 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12732 identifiers are defined.
12733 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12734 an empty string, machine_name doesn't need to do anything at
12736 (is_cxx_header): Add more cases to regexp.
12737 * fixinc/fixlib.h: Update prototype.
12738 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12740 * fixinc/fixincl.c: Define NO_BOGOSITY.
12742 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12743 (hp_sysfile): Add missing comma.
12744 (math_exception): Put the wrapper ifdefs at the beginning and
12745 the end of the file.
12746 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12748 2000-02-01 Richard Henderson <rth@cygnus.com>
12750 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12751 Use CONST0_RTX. Update all callers.
12752 * sparc.h, sparc-protos.h: Update accordingly.
12753 * sparc.md (fp mov insns): Use fp_zero_operand directly
12756 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12758 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12761 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12763 * Makefile.in (specs.ready): New target.
12764 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12766 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12768 * fixinc.irix: Use unique filenames for writing into /tmp,
12769 * fixinc.ptx: Likewise.
12770 * fixinc.sco: Likewise.
12771 * fixinc.svr4: Likewise.
12772 * fixinc.winnt: Likewise.
12774 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12776 * tsystem.h: New file.
12778 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12779 s-crtS): Depend on tsystem.h.
12781 * crtstuff.c: Include tsystem.h.
12782 * frame.c: Likewise.
12783 * libgcc2.c: Likewise.
12785 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12787 * builtins.c (expand_builtin_memset): Expand for variable sized
12790 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12792 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12795 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12797 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12799 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12801 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12803 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12804 case 3->2 combining (combining with splitting) in which 2 is CC0
12805 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12806 checked at the begining of the function with the aid of calling
12807 function 'can_combine_p'.
12809 2000-01-31 Dave Brolley <brolley@redhat.com>
12811 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12813 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12815 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12818 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12820 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12822 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12825 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12827 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12828 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12829 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12830 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12831 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12832 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12833 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12834 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12835 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12836 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12838 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12839 Add %(cpp_cpu) to CPP_SPEC.
12841 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12842 Add %(cc1_cpu) to CC1_SPEC.
12844 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12846 * c-decl.c (c_decode_option): Accept optional numeric argument to
12847 -Wformat and set warn_format.
12848 * c-common.c: Don't emit warning about non-constant printf format
12849 string unless warn_format > 1.
12851 2000-01-30 Richard Henderson <rth@cygnus.com>
12853 * alpha.md (return_internal): Allow after reload only.
12855 2000-01-30 Richard Henderson <rth@cygnus.com>
12857 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12858 local frame size is zero.
12860 2000-01-30 Richard Henderson <rth@cygnus.com>
12862 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12863 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12864 * alpha.md (return): Turn into an expander.
12865 (return_internal): Don't use $26.
12866 (epilogue): Emit the return insn.
12868 2000-01-30 Richard Henderson <rth@cygnus.com>
12870 * alpha.md (negtf2, abstf2): Fix word order thinko.
12871 (extendsftf2): New.
12872 (trunctfsf2): Avoid intermediate rounding errors.
12874 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12876 * cppfiles.c (find_position): Drop 'colp' argument, return the
12878 (read_and_prescan): Adjust to match. Don't ever manipulate
12879 line or line_base except via find_position.
12881 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12883 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12884 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12887 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12889 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12890 just print "<command line>". If 'filename' is null or an
12891 empty string, print "<stdin>" for the filename.
12892 * cpplib.c (do_define): Don't print the 'location of the
12893 previous definition' message if we're still parsing the
12895 (cpp_pedwarn_with_file_and_line): Always call
12896 cpp_file_line_for_message.
12898 2000-01-29 Mark Mitchell <mark@codesourcery.com>
12900 * flow.c (mark_regs_live_at_end): Fix typo.
12902 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12904 * c-common.c: Adjust variable names, comments, help strings to c99.
12905 * c-lex.c: Likewise.
12906 * c-parse.y: Likewise.
12907 * c-tree.h: Likewise.
12908 * cccp.c: Likewise.
12909 * cpplib.h: Likewise.
12910 * c-decl.c: Likewise. Recognize options with names "*99" as well.
12911 * cppinit.c: Likewise.
12913 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12915 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
12916 * c4x.c: Define the optab rtx values.
12917 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
12918 (c4x_emit_libcall): Use new optab rtx values.
12919 (c4x_emit_libcall3): Likewise.
12920 (c4x_emit_libcall_mulhi): Likewise.
12921 * c4x-protos.h: Add prototypes for optab rtx values and change
12922 prototypes for above c4x_emit_libcall functions.
12924 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12926 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
12928 (c4x_function_prologue): Use regnames intead of float_reg_names when
12930 (c4x_function_epilogue): Likewise.
12931 (c4x_print_operand): Likewise.
12932 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
12933 * c4x.md (set_high): Disable for TARGET_TI.
12935 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12937 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
12938 of framepointer + constant to ADDR_REGS class.
12939 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
12940 * c4x.c (std_or_reg_operand): New function.
12941 * c4x-protos.h (std_or_reg_operand): Prototype it.
12943 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12945 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
12946 object names as libgcc2.c.
12947 * libgcc.S: Use newly defined names.
12949 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
12950 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
12952 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
12953 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
12954 (FLOW_LOOP_LAST_BLOCK): Likewise.
12956 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12958 * basic-block.h (struct loop): New fields 'first' and 'last'.
12959 * flow.c (flow_loops_find): Compute loop->first and loop->last.
12960 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
12961 and loop->last to check for NOTE_INSN_LOOP_END.
12963 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
12965 * predict.c (estimate_probability): Use the new FIRST and LAST fields
12966 of the loop descriptor rather than HEADER and LATCH. Also added
12967 missing break statements as well making some coding style modifications
12968 as suggested by Michael Hayes.
12970 2000-01-28 Richard Henderson <rth@cygnus.com>
12972 * flow.c (find_basic_blocks): Remove do_cleanup argument.
12973 Break out that code ...
12974 (cleanup_cfg): ... here.
12975 (commit_one_edge_insertion): Detect a return instruction being
12976 emitted to an edge. Emit a barrier following; clear fallthru.
12977 (commit_edge_insertions): Verify CFG consistency.
12978 * function.c (expand_function_start): Kill unused variable.
12979 (expand_function_end): Likewise.
12980 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
12981 to insert the epilogue.
12983 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
12984 (delete_null_pointer_checks): Likewise.
12985 * output.h: Likewise.
12986 * reg-stack.c (reg_to_stack): Likewise.
12987 * toplev.c (rest_of_compilation): Likewise. Run
12988 thread_prologue_and_epilogue_insns after rebuilding the CFG.
12990 2000-01-28 Richard Henderson <rth@cygnus.com>
12992 * Makefile.in (flow.o): Revert 24 Jan change.
12993 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
12994 FUNCTION_VALUE result to DECL_RESULT's mode.
12996 * haifa-sched.c (schedule_insns): Don't recompute reg info
12999 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13001 * configure.in: Make --enable-cpplib the default.
13002 * configure: Regenerate.
13003 * gcc.dg/990119-1.c: No longer expected to fail.
13005 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13007 * jump.c (jump_optimize_1): Delete an optimization that is also done
13008 by merge_blocks in flow.
13010 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13012 * diagnostic.c (build_message_string, output_printf,
13013 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13014 (build_location_prefix): Fix non-literal format string.
13016 2000-01-27 Richard Henderson <rth@cygnus.com>
13018 * alpha.md (trunctfsf2): New.
13020 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13022 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13024 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13026 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13028 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13030 (skip_comment) ... here. Permit C++ comments in system
13031 headers always. Warn about C++ comments in user code under
13032 -std=gnu89 -pedantic.
13033 (copy_comment): Use skip_comment.
13034 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13036 (consider_directive_while_skipping, do_else, do_endif): Call
13037 validate_else unconditionally.
13038 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13039 text after the conditional in a system header.
13040 * cpplib.h (struct cpp_buffer): Add flag
13041 warned_cplusplus_comments.
13043 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13045 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13046 Use unshare_all_rtl_1.
13047 (unshare_all_rtl_again): New function.
13048 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13050 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13051 rather than resetting the 'used' flags ourself.
13053 * toplev.c (rest_of_compilation): Add current_function_decl
13054 to the unshare_all_rtl call.
13055 * tree.h: Prototype unshare_all_rtl.
13056 * rtl.h: Prototype unshare_all_rtl_again here.
13058 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13060 * genoutput.c (output_prologue): Include ggc.h in generated
13062 * Makefile.in (insn-output.o): Depends on ggc.h.
13064 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13065 Hans-Peter Nilsson <hp@bitrange.com>
13067 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13068 Remove redundant include of xm-ns32k.h.
13069 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13070 Remove redundant include of xm-ns32k.h.
13071 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13072 Remove redundant include of xm-ns32k.h.
13073 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13075 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13076 (TARGET_SWITCHES): Add documentation strings.
13077 (DWARF_FRAME_REGNUM): Override default definition.
13078 (REG_CLASS_CONTENTS): Add comments.
13079 (SUBSET_P): Format to reduce line length.
13080 (SMALL_REGISTER_CLASSES): Make a run time option.
13081 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13082 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13083 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13084 (regclass_map): fix typo in comment.
13085 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13086 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13087 (trace, reg_or_mem_operand): Delete, unused function.
13088 (calc_address_cost): Small offsets are cheaper than large ones.
13089 (expand_block_move): Generate more efficient code when bytes is a
13090 known at compile time.
13091 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13092 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13093 instead of reg_or_mem_operand.
13095 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13096 not general_operand. Similarly use "=rm" or stricter, not "=g".
13097 For input operands, use stricter constraints than "g" if not
13098 general_operand. Similarly use stricter predicate than
13099 "general_operand" when stricter constraints than "g" are present,
13100 except for matching constraints.
13101 (movstrsi): Use "memory_operand" for operands 0 and 1.
13102 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13103 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13104 not reg_or_mem_operand.
13105 (udivmoddisi4): Ditto.
13106 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13107 Use nonimmediate_operand for operand 3, not register_operand.
13108 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13109 reg_or_mem_operand.
13111 2000-01-27 Fred Fish <fnf@be.com>
13113 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13114 * gthr-single.h: Likewise.
13115 * gthr-solaris.h: Likewise.
13116 * gthr-vxworks.h: Likewise.
13117 * gthr-win32.h: Likewise.
13118 * gthr.h: Likewise.
13120 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13122 * cppinit.c: Add " (cpplib)" to end of string printed by
13125 2000-01-27 Richard Henderson <rth@cygnus.com>
13127 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13128 testing for a signed comparison.
13129 (alpha_emit_floatuns): New.
13130 * alpha-protos.h: Declare it.
13131 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13132 (extendsfdf2): Tidy.
13134 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13136 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13137 no -g option specifying debugging format, default to -gstabs+.
13139 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13141 * calls.c (special_function_p): New argument fork_or_exec.
13142 (expand_call): When profile_arc_flag is set and the function
13143 is in the fork_or_exec group, call __bb_fork_func first.
13144 * libgcc2.c, _bb module (__bb_fork_func): New function.
13145 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13147 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13148 * tree.h (special_function_p): Update prototype.
13150 2000-01-26 Richard Henderson <rth@cygnus.com>
13152 * alpha.c (alpha_split_tfmode_pair): New.
13153 * alpha-protos.h: Declare it.
13154 * alpha.md (abstf2, negtf2): New.
13155 (movtf insn): Add input G constraint.
13156 (movtf splitter): Use alpha_split_tfmode_pair.
13158 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13160 * i386/cygwin.h: PROTO -> PARAMS.
13162 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13164 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13165 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13166 using _Qp_cmp/_Q_cmp and testing the return value.
13167 (print_operand): Call reverse_condition_maybe_unordered if
13168 we are handling CCFPmode or CCFPEmode.
13169 Handle ORDERED, UN* and LTGT comparisons.
13170 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13171 if not TARGET_HARD_QUAD.
13172 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13173 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13174 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13175 Adjust gen_b* calls so that they reflect return comparison of
13176 sparc_emit_float_lib_cmp.
13178 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13180 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13181 incoming operands array is large enough for one more operand.
13182 (alpha_emit_xfloating_arith): Likewise.
13184 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13186 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13187 file with one line and no trailing newline.
13188 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13189 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13190 checking if the match is on the line.
13191 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13193 2000-01-25 Richard Henderson <rth@cygnus.com>
13195 * sparc.c (output_cbranch): Fix accidental squashing of the
13196 fp branch pre-delay nop.
13198 2000-01-25 Richard Henderson <rth@cygnus.com>
13200 * tree.def (UNNE_EXPR): Remove.
13201 * c-typeck.c (build_binary_op): Don't handle it.
13202 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13204 * rtl.def (UNNE): Remove.
13206 * jump.c (reverse_condition): Update accordingly.
13207 (swap_condition): Likewise.
13208 (comparison_dominates_p): Handle unordered comparisons.
13209 (reverse_condition_maybe_unordered): New.
13210 * rtl.h (reverse_condition_maybe_unordered): Declare.
13212 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13213 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13214 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13215 * sparc.md (bltgt): New.
13217 2000-01-25 Nick Clifton <nickc@redhat.com>
13219 * emit-rtl.c (emit_insn): Only check machine class insns for
13220 improper emission of a RETURN.
13222 2000-01-25 Richard Henderson <rth@cygnus.com>
13224 * Makefile.in (flow.o): Depend on $(EXPR_H).
13225 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13226 duplicate the structure of diddle_return_value for keeping regs live.
13228 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13230 * loop.c (current_loop_info): Delete.
13231 (consec_sets_invariant_p): Add loop argument, update callers.
13232 (get_condition_for_loop): Likewise.
13233 (count_nonfixed_reads, update_giv_derive): Likewise.
13234 (simplify_giv_expr, general_induction_var): Likewise.
13235 (consec_sets_giv, recombine_givs): Likewise.
13236 (move_movables): Delete loop_start and loop_end arguments,
13237 add loop argument, and update callers.
13238 (find_mem_givs, check_final_value): Likewise.
13239 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13240 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13242 (basic_induction_var): Add loop argument, delete loop_level argument,
13243 and update callers.
13244 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13245 add loop argument, and update callers.
13246 (find_splittable_regs, find_splittable_givs): Likewise.
13247 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13248 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13249 (biv_total_increment): Delete loop_start and loop_end arguments;
13251 (precondition_loop_p): Delete loop_start and loop_info arguments;
13253 * loop.h (get_condition_for_loop): Add loop argument.
13254 (biv_total_increment): Delete loop_start and loop_end arguments.
13255 (precondition_loop_p): Delete loop_start and loop_info arguments;
13257 (final_biv_value): Delete loop_start and loop_end arguments;
13259 (final_giv_value, back_branch_in_range_p): Likewise.
13261 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13263 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13265 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13267 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13268 point to the new "generated_files" doc.
13270 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13272 * config/fp-bit.c (_unord_f2): Fix typo.
13274 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13276 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13277 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13278 functions obsoleted by GC, such as push_obstacks_nochange,
13279 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13280 and code which existed only to decide whether or not to call
13281 them. Remove now-unused NESTED argument from start_function;
13282 all callers changed. Do not change behavior based on ggc_p.
13283 The use of the ixp_obstack in c-iterate.c and the util_obstack
13284 in objc/objc-act.c remain; these are not obsoleted by garbage
13286 * c-tree.h: Update prototype for start_function.
13288 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13290 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13292 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13295 2000-01-25 Richard Henderson <rth@cygnus.com>
13297 * sparc-protos.h (select_cc_mode): Declare.
13298 * sparc.c (select_cc_mode): New. Handle unordered compares.
13299 (output_cbranch): Always reverse via code change. Handle
13300 unordered compares. Factor tests and string updates.
13301 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13302 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13303 * sparc.md (bunordered, bordered): New.
13304 (bungt, bunlt, buneq, bunge, bunle): New.
13306 2000-01-25 Richard Henderson <rth@cygnus.com>
13308 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13309 * ggc-common.c (ggc_add_rtx_varray_root): New.
13310 (ggc_mark_rtx_varray): New.
13311 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13312 functions down below ggc_mark_foo.
13313 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13315 2000-01-25 Richard Henderson <rth@cygnus.com>
13317 * alpha.c (secondary_reload_class): Don't allocate a secondary
13318 for integral mode memories into FLOAT_REGS. Rearrange the more
13319 complicated memory expression inward.
13321 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13323 * inclhack.def: Fixes to play nicer with FreeBSD, and
13324 corrections to comments.
13325 (cxx_unready): Add select expression.
13326 (irix_sockaddr): Add bypass expression.
13327 (machine_ansi_h_va_list): New fix.
13328 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13329 Split out addition of "#include <stdarg.h>" to...
13330 (stdio_stdarg_h): ... here.
13331 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13332 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13333 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13335 (ultrix_ifdef): Tighten up select expression.
13337 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13338 re_ct and max_mach to avoid use of shell. Make printed names
13339 match names in inclhack.def. Use static copyright date.
13340 Don't count c_test and test expressions as requiring regex_t
13341 slots. Add some commentary.
13342 * inclhack.tpl: Do not include the 'This script contains N
13343 fixup scripts' line if PROGRAM is defined. Use static
13346 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13348 * dwarf2out.c: include "varray.h", not dyn-string.h.
13349 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13350 (addr_const_to_string, addr_to_string): Lose.
13351 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13352 (struct dw_val_struct): val_addr is now an rtx.
13353 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13354 (used_rtx_varray): New varray.
13355 (dwarf2out_init): Initialize it.
13356 (save_rtx): New fn.
13357 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13359 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13360 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13361 * Makefile.in (dwarf2out.o): Update dependencies.
13363 2000-01-24 Richard Henderson <rth@cygnus.com>
13365 * i386.c (i386_dwarf_output_addr_const): New.
13366 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13368 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13370 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13371 * i386.c (i386_simplify_dwarf_addr): New.
13372 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13374 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13376 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13377 TYPE_STUB_DECL is NULL.
13379 2000-01-24 Richard Henderson <rth@cygnus.com>
13381 * builtins.c (expand_tree_builtin): Move ...
13382 * c-common.c (expand_tree_builtin): ... here.
13384 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13386 * loop.h (LOOP_INFO): New accessor macro.
13387 * basic-block.h (struct loop): Rename field `info' to `aux'.
13388 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13389 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13390 * unroll.c (loop_iterations, unroll_loop): Likewise.
13392 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13394 * config/i386/t-cygwin: Accomodate new winsup directory layout
13395 when searching for include files.
13397 2000-01-24 Richard Henderson <rth@cygnus.com>
13399 * rtl.def: Add unordered fp comparisions.
13400 * tree.def: Likewise.
13401 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13403 * builtins.c (expand_tree_builtin): New function.
13404 * c-typeck.c (build_function_call): Use it.
13405 (build_binary_op): Support unordered compares.
13406 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13408 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13409 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13410 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13411 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13412 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13414 (swap_condition): Handle unordered compares.
13415 (thread_jumps): Check can_reverse before reversing.
13416 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13419 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13420 setcc is present before acking for cmp_optab. Update all callers.
13421 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13422 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13423 * expr.c (expand_expr): Likewise. Support unordered compares.
13424 (do_jump, do_store_flag): Likewise.
13425 * expr.h (enum libfunc_index): Add unordered compares.
13427 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13428 (DPBIT_FUNCS): Add _unord_df.
13429 * config/fp-bit.c (_unord_f2): New.
13430 * fp-test.c (main): Try unordered compare builtins.
13432 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13433 * alpha.c (alpha_comparison_operator): Check mode properly.
13434 (alpha_swapped_comparison_operator): Likewise.
13435 (signed_comparison_operator): Likewise.
13436 (alpha_fp_comparison_operator): New.
13437 (alpha_emit_conditional_branch): Handle unordered compares.
13438 * alpha.h (PREDICATE_CODES): Update.
13439 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13440 (bunordered, bordered): New.
13442 2000-01-24 Richard Henderson <rth@cygnus.com>
13444 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13445 * alpha.md (movtf): New expander, insn, and splitter.
13447 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13449 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13452 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13454 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13455 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13456 REG_ALLOC_ORDER): Add frame pointer
13457 (FRAME_POINTER_REGNUM): Set to 20
13458 (HARD_FRAME_POINTER_REGNUM): New macro.
13459 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13460 to HARD_FRAME_POINTER.
13461 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13462 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13463 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13464 (HI_REGISTER_NAMES): Add "frame".
13465 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13466 (debug_reg): Handle FRAME_POINTER_REGNUM.
13467 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13468 GENERAL_REGS and INDEX_REGS.
13469 * i386.c (SAVED_REGS_FIRST): new macro.
13470 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13471 (ix86_decompose_address, memory_address_length): Likewise.
13472 (regclass_map): Add frame pointer.
13473 (call_insn_operand): Handle frame_pointer_rtx.
13474 (reg_no_sp_operand): Likewise.
13475 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13476 (print_operand, legitimize_pic_address): Fix formating.
13477 (ix86_compute_frame_size): Make static, update prototype, new
13478 parameters padding1, padding2, use ix86_nsaved_regs, use
13479 stack_alignment_needed.
13480 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13481 to HARD_FRAME_POINTER_REGNUM conversions.
13482 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13483 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13484 (print_reg): Abort on FRAME_POINTER_REGNUM
13486 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13488 * i386.h (PREDICATE_CODES): Add aligned_operand.
13489 * i386.c (aligned_operand): New function.
13490 (ix86_aligned_p): Kill.
13491 * i386.md (movhi_1): Emit mov for aligned operands.
13492 (promoting peep2s): Use aligned_operand.
13494 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13496 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13497 expression to allow underscores in macro names.
13498 (fix_char_macro_defines): Increment scanning pointer.
13500 2000-01-23 Richard Henderson <rth@cygnus.com>
13502 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13503 * alpha/osf5.h: New file.
13504 * configure.in (alpha-*-osf5): Add it to tm_file.
13506 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13508 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13509 (alpha_emit_xfloating_cvt, function_arg): Declare.
13510 * alpha.c (alpha_emit_conditional_branch): Call
13511 alpha_emit_xfloating_compare for TFmode compares.
13512 (alpha_lookup_xfloating_lib_func): New.
13513 (alpha_compute_xfloating_mode_arg): New.
13514 (alpha_emit_xfloating_libcall): New.
13515 (alpha_emit_xfloating_arith): New.
13516 (alpha_emit_xfloating_compare): New.
13517 (alpha_emit_xfloating_cvt): New.
13518 (print_operand): Add default abort case.
13519 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13520 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13521 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13522 (RETURN_IN_MEMORY): True for TF/TCmode.
13523 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13524 (FUNCTION_ARG): Move to function_arg.
13525 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13526 (ASM_OUTPUT_LONG_DOUBLE): New.
13527 (ASM_OUTPUT_DOUBLE): Always output bits.
13528 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13529 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13530 (extenddftf2, trunctfdf2): New.
13532 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13534 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13535 * config/sparc/sol2.h: ... here.
13537 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13539 * basic-block.h (struct loops): New field `levels'.
13540 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13541 (flow_loop_level_compute): Initialise level to 1.
13542 (flow_loops_find): Set loops->levels.
13543 (flow_loops_dump): Print loops->levels.
13545 2000-01-23 Richard Henderson <rth@cygnus.com>
13547 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13548 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13550 2000-01-23 Richard Henderson <rth@cygnus.com>
13552 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13553 * i386.h (DBX_REGISTER_NUMBER): Use them.
13554 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13555 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13556 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13557 * i386/sequent.h: Kill incorrect comment.
13559 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13561 * ggc-page.c (struct page_entry): Make `context_depth' an
13563 (struct globals): Likewise.
13565 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13567 * loop.c (check_dbra_loop): When checking a loop for
13568 reversability, check the source of any stores to ensure
13569 they don't depend on an initial value.
13571 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13573 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13575 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13577 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13578 'pz_scan' into scope of entire function. Only affects
13579 compiles with -DDEBUG.
13581 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13583 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13584 section naming to that prior to 2000-01-07 patch.
13585 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13586 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13587 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13588 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13589 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13591 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13593 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13596 2000-01-21 Jim Wilson <wilson@cygnus.com>
13598 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13599 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13601 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13603 * cpphash.c (change_newlines): Delete function.
13604 (struct argdata): Delete 'newlines' and 'use_count' fields.
13605 (macroexpand): Remove code referencing those fields.
13607 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13609 * loop.c (loops_info): New variable.
13610 (loop_optimize): Allocate loops->array and free it on exit.
13611 Allocate memory for loops_info and assign to each loop,
13613 (find_and_verify_loops): Do not allocate loops->array.
13615 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13617 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13619 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13621 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13622 pseudos if expanded after first flow.
13623 (movdi_pic_label_ref): Likewise.
13625 2000-01-20 Richard Henderson <rth@cygnus.com>
13627 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13629 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13631 * Makefile.in (fixinc.sh): Depend on specs.
13632 * fixinc/Makefile.in: Add rule to create machname.h.
13633 (fixlib.o): Depend on machname.h.
13634 * fixinc/fixtests.c (machine_name): New test.
13635 * fixinc/fixfixes.c (machine_name): New fix.
13636 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13637 the machine_name test and fix.
13638 * fixinc/fixlib.h: Prototype it.
13639 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13640 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13642 * gcc.c (do_spec_1) [case P]: Take care not to create
13643 identifiers with three leading or trailing underscores.
13645 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13646 (fixincl): Don't specify libraries twice on link line.
13647 (gnu-regex.o): Remove special rule.
13648 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13649 defined by config.h. Do not define _REGEX_RE_COMP.
13650 (regcomp): Allocate and initialize a fastmap.
13651 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13653 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13655 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13657 2000-01-19 Richard Henderson <rth@cygnus.com>
13659 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13660 arguments with BB. Update all callers. Tidy line wrapping.
13662 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13664 * emit-rtl.c (try_split): Return last_insn if we split the
13667 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13669 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13670 (ix86_initial_elimination_offset): Declare.
13671 * i386.c (ix86_nsaved_regs): Break out from ...
13672 (ix86_can_use_return_insn_p): ... here.
13673 (ix86_emit_save_regs): Break out from ...
13674 (ix86_expand_prologue): ... here.
13675 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13677 (ix86_expand_epilogue): ... here.
13678 (ix86_compute_frame_size): Make static, add prototype.
13679 (ix86_initial_elimination_offset): Break out from ...
13680 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13682 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13684 * recog.h (OUT_FCN): Delete.
13686 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13688 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13690 * cppalloc.c: PROTO -> PARAMS.
13691 * cpperror.c: Likewise.
13692 * cppfiles.c: Likewise.
13693 * cpplib.c: Likewise.
13694 * cpplib.h: Likewise.
13696 * config/arm/arm-protos.h: PROTO -> PARAMS.
13697 * config/arm/arm.c: Likewise.
13698 * config/c4x/c4x.c: Likewise.
13699 * config/fr30/fr30-protos.h: Likewise.
13700 * config/nextstep.c: Likewise.
13701 * config/pa/pa.c: Likewise.
13702 * config/pj/pj.c: Likewise.
13703 * config/rs6000/rs6000.c: Likewise.
13704 * config/v850/v850-protos.h: Likewise.
13705 * config/v850/v850.c: Likewise.
13707 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13709 * i370-protos.h: New file.
13711 * i370.c: Include tm_p.h. Fix compile time warnings.
13713 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13716 * i370.md: Likewise.
13718 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13720 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13721 (target_isinf, target_isnan, eisnan): Mark parameter with
13723 (eiisinf): Wrap in INFINITY.
13724 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13725 (ibmtoe): Remove unused variable `rndsav'.
13727 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13729 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13730 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13732 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13734 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13735 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13736 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13738 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13739 Recognize Emacs mode markers also.
13740 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13741 C++ comments in C++ headers. Call is_cxx_header only if
13744 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13745 bypass for ncurses.
13746 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13747 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13748 ... these, which use the new C fixes.
13749 (math_exception): Escape literal '+' in bypass expression.
13751 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13754 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13756 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13759 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13761 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13762 prior to calling scan_loop.
13764 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13766 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13767 (split_branches, calc_live_regs): Likewise.
13769 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13771 * sh.md (fpu_single, fp_mode): New attributes.
13773 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13775 * loop.c (current_loop_info): Renamed from loop_info_data
13776 and changed to a pointer.
13777 (loop_optimize): Allocate loop_info structure for each loop
13778 and initialise to zero.
13779 (scan_loop): Set current_loop_info.
13781 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13784 2000-01-19 Richard Henderson <rth@cygnus.com>
13786 * stupid.c: Die die die.
13787 * Makefile.in (OBJS): Remove stupid.o.
13788 (stupid.o): Likewise.
13790 * except.c (emit_eh_context): Don't emit USEs for stupid.
13791 * explow.c (probe_stack_range): Likewise.
13792 * flags.h (obey_regdecls): Remove.
13793 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13794 when not optimizing.
13795 (life_analysis): Limit data collection when not optimizing.
13796 (mark_regs_live_at_end): Always mark the return value registers.
13797 (mark_used_regs): Remove dummy RETURN case.
13798 (print_rtl_with_bb): Don't consult obey_regdecls.
13799 * function.c (use_variable, use_variable_after): Remove.
13800 (assign_parms): Consult optimize not obey_regdecls.
13801 (expand_function_start): Don't emit USEs for stupid.
13802 (expand_function_end): Likewise.
13803 * global.c (build_insn_chain): Export.
13804 * integrate.c (expand_inline_function): Kill return-value USE
13806 * jump.c (jump_optimize_1): Do simple jump optimizations and
13807 dead code elimination.
13808 (calculate_can_reach_end): Remove check_deleted argument.
13809 (delete_insn): Patch out insns even when not optimizing.
13810 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13811 * rtl.h (use_variable, use_variable_after): Remove declarations.
13812 (build_insn_chain): Declare.
13813 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13814 (expand_end_bindings): Likewise.
13815 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13816 * toplev.c (obey_regdecls): Remove.
13817 (rest_of_compilation): Don't set it. Kill stupid in favour of
13818 flow1, local-alloc, and reload.
13819 (main): Don't set obey_regdecls.
13821 * config/nextstep.c (handle_pragma): Likewise.
13823 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13825 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13827 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13829 * alpha-protos.h: PROTO -> PARAMS.
13830 * alpha.c: Likewise.
13832 * h8300.c: Likewise.
13833 * i386-protos.h: Likewise.
13834 * i386.c: Likewise.
13835 * m32r-protos.h: Likewise.
13836 * m32r.c: Likewise.
13837 * mips.c: Likewise.
13838 * mips.md: Likewise.
13839 * gmon-sol2.c: Likewise.
13840 * sparc.c: Likewise.
13842 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13844 * ns32k-protos.h: New file.
13846 * ns32k.c: Fix compile time warnings.
13848 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13851 * ns32k.md: Likewise.
13853 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13855 * vax-protos.h: New file.
13857 * vax.c: Fix compile time warnings.
13859 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13862 * vax.md: Likewise.
13864 * vaxv.md: Likewise.
13866 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13868 * romp-protos.h: New file.
13870 * romp.c: Fix compile time warnings.
13872 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13875 * romp.md: Likewise.
13877 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13879 * we32k-protos.h: New file.
13881 * we32k.c: Fix compile time warnings.
13883 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13886 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13888 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13890 * except.c (eh_regs): Likewise.
13892 * final.c (output_operand): Likewise.
13894 * fold-const.c (target_isinf, target_isnan): Likewise.
13896 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
13898 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
13899 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
13901 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
13902 when optimize_size.
13903 (clrstrsi): Rewrite.
13904 (strsethi, strsetqi): New expanders.
13905 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
13906 (cmpstrsi): Emit compare insn before cmpstrsi_1
13907 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
13908 (strlensi_1): Likewise.
13909 (cmpstrsi_1): Likewise; do not output compare.
13910 (strlen expander): Do not unroll when optimizing for size.
13911 (*subsi3_carry): Rename to subsi3_carry
13912 (addqi3_cc): New pattern.
13913 * i386.h (processor_costs): Add move_ratio field.
13914 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
13915 * i386.c (*_cost): Set move_ratio.
13916 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
13917 (x86_expand_strlensi_1): Rewrite the main loop.
13919 2000-01-17 Richard Henderson <rth@cygnus.com>
13921 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
13922 * cse.c (find_comparison_args, fold_rtx): Likewise.
13923 * integrate.c (subst_constants): Likewise.
13924 * loop.c (get_condition): Likewise.
13926 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
13928 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
13930 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
13932 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
13933 (RESTORE_WARN_FLAGS): Unpack it.
13934 Change semantic type of extension to ttype.
13935 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
13936 * c-parse.y, c-parse.c, objc/objc-parse.y,
13937 objc/objc-parse.c: Regenerate.
13939 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
13941 * fixinc/fixlib.c: Add copyright notice.
13942 (compile_re): New function.
13943 * fixinc/fixlib.h: Prototype compile_re.
13945 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
13946 Use compile_re to compile regular expressions.
13948 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
13949 where the pattern matched.
13951 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
13953 (ultrix_ansi_compat): Likewise.
13954 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
13956 (interactv_add2, interactv_add3): Delete.
13957 (x11_sprintf): Don't use filename glob.
13958 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
13961 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13963 * print-rtl.c: PROTO -> PARAMS.
13964 * real.c: Likewise.
13965 * reg-stack.c: Likewise.
13966 * resource.c: Likewise.
13967 * sdbout.h: Likewise.
13968 * simplify-rtx.c: Likewise.
13969 * stor-layout.c: Likewise.
13970 * stupid.c: Likewise.
13971 * xcoffout.c: Likewise.
13972 * xcoffout.h: Likewise.
13974 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * toplev.c: PROTO -> PARAMS.
13977 * toplev.h: Likewise.
13978 * tree.c: Likewise.
13979 * tree.h: Likewise.
13980 * unroll.c: Likewise.
13981 * varasm.c: Likewise.
13982 * varray.c: Likewise.
13983 * varray.h: Likewise.
13985 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13987 * reload.c: PROTO -> PARAMS.
13988 * reload.h: Likewise.
13989 * reload1.c: Likewise.
13990 * reorg.c: Likewise.
13991 * resource.h: Likewise.
13994 * rtlanal.c: Likewise.
13995 * sbitmap.h: Likewise.
13996 * sdbout.c: Likewise.
13997 * stack.h: Likewise.
13998 * stmt.c: Likewise.
13999 * system.h: Likewise.
14001 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14003 * machmode.h: PROTO -> PARAMS.
14004 * mbchar.h: Likewise.
14005 * mips-tdump.c: Likewise.
14006 * mips-tfile.c: Likewise.
14007 * optabs.c: Likewise.
14008 * output.h: Likewise.
14009 * prefix.c: Likewise.
14010 * profile.c: Likewise.
14011 * protoize.c: Likewise.
14012 * real.h: Likewise.
14013 * recog.c: Likewise.
14014 * recog.h: Likewise.
14015 * regclass.c: Likewise.
14016 * regmove.c: Likewise.
14017 * regs.h: Likewise.
14019 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14021 * ggc-common.c: PROTO -> PARAMS.
14022 * ggc-page.c: Likewise.
14023 * ggc-simple.c: Likewise.
14025 * global.c: Likewise.
14026 * graph.c: Likewise.
14027 * gthr-win32.h: Likewise.
14028 * haifa-sched.c: Likewise.
14029 * halfpic.h: Likewise.
14030 * integrate.c: Likewise.
14031 * integrate.h: Likewise.
14032 * jump.c: Likewise.
14034 * local-alloc.c: Likewise.
14035 * loop.c: Likewise.
14036 * loop.h: Likewise.
14038 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14040 * genattr.c: PROTO -> PARAMS.
14041 * genattrtab.c: Likewise.
14042 * gencheck.c: Likewise.
14043 * gencodes.c: Likewise.
14044 * genconfig.c: Likewise.
14045 * genemit.c: Likewise.
14046 * genextract.c: Likewise.
14047 * genflags.c: Likewise.
14048 * gengenrtl.c: Likewise.
14049 * genopinit.c: Likewise.
14050 * genoutput.c: Likewise.
14051 * genpeep.c: Likewise.
14052 * genrecog.c: Likewise.
14054 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14056 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14058 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14060 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14061 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14062 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14063 * configure, config.in: Rebuilt.
14065 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14067 * config/i386/i386.md: Add peephole to merge successive stack
14070 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14072 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14073 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14074 when walking backwards to find all the parameter loads when
14075 the basic block ends in a call.
14077 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14079 * loop.c (this_loop_info): Delete.
14080 (uid_loop): Add in place of uid_loop_num. All uses updated.
14081 (loop_number_exit_count): Delete and replace with entry in loop
14082 structure. All uses updated.
14083 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14084 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14085 (loop_outer_loop): Likewise.
14086 (loop_invalid, loop_number_exit_labels): Likewise.
14087 (loop_used_count_register): Delete and replace with entry in
14088 loop_info structure.
14089 (find_and_verify_loops): Add loops argument.
14090 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14091 loop_end, etc. arguments with loop structure pointer. All callers
14093 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14094 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14095 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14096 (insert_bct): Likewise.
14097 (basic_induction_var): New argument level.
14098 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14099 vtop, and cont. Add used_count_register.
14100 (uid_loop): Delete declaration.
14101 (loop_number_exit_count): Likewise.
14102 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14103 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14104 (loop_outer_loop, loop_used_count_register): Likewise.
14105 (loop_invalid, loop_number_exit_labels): Likewise.
14106 (unroll_loop): Replace loop_start and loop_end arguments
14107 with loop structure pointer.
14108 (loop_precondition_p, loop_iterations): Likewise.
14109 Include basic-block.h.
14110 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14111 with loop structure pointer.
14112 (loop_precondition_p, loop_iterations): Likewise.
14113 * basic-block.h (struct loop): New entries vtop, cont,
14114 cont_dominator, start, end, top, scan_start, exit_labels,
14116 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14118 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14120 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14122 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14124 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14126 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14128 * pdp11-protos.h: New file.
14130 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14133 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14136 * pdp11.md: Likewise.
14138 * 2bsd.h: Likewise.
14140 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14142 * mn10300-protos.h: New file.
14144 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14147 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14150 * mn10300.md: Likewise.
14152 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14154 * mn10200-protos.h: New file.
14156 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14159 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14162 * mn10200.md: Likewise.
14164 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14166 * h8300-protos.h: New file.
14168 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14171 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14174 * h8300.md: Likewise.
14176 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14178 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14179 (asm_emit_uninitialised): Likewise.
14181 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14183 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14184 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14186 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14188 * config/mips/mips.c (override_options): Don't turn on extra
14189 alignment for mips16.
14191 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14193 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14194 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14197 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14199 * builtins.c (PAD_VARARGS_DOWN): Define.
14200 (std_expand_builtin_va_arg): Use the above macro.
14201 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14202 * tm.texi (Register Arguments): Document the above macro.
14204 2000-01-14 Nick Clifton <nickc@cygnus.com>
14206 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14207 that this function has not been used to emit a jump
14210 * jump.c (return_jump_1): Cope with being passed a null rtx.
14212 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14214 * eh-common.h: PROTO -> PARAMS.
14215 * emit-rtl.c: Likewise.
14216 * errors.c: Likewise.
14217 * errors.h: Likewise.
14218 * except.c: Likewise.
14219 * except.h: Likewise.
14220 * explow.c: Likewise.
14221 * expmed.c: Likewise.
14222 * expr.c: Likewise.
14223 * expr.h: Likewise.
14224 * final.c: Likewise.
14225 * fix-header.c: Likewise.
14226 * flow.c: Likewise.
14227 * fold-const.c: Likewise.
14228 * function.c: Likewise.
14229 * function.h: Likewise.
14231 * gcov-io.h: Likewise.
14232 * gcov.c: Likewise.
14233 * gcse.c: Likewise.
14235 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14237 * sh-protos.h: New file.
14239 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14240 Add static prototypes. Fix compile time warnings.
14242 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14246 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14248 * arc-protos.h: New file.
14250 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14253 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14256 * arc.md: Likewise.
14258 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14260 * dsp16xx-protos.h: New file.
14262 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14265 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14268 * dsp16xx.md: Likewise.
14270 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14272 * convex-protos.h: New file.
14274 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14277 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14280 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14282 * elxsi-protos.h: New file.
14284 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14287 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14290 * elxsi.md: Likewise.
14292 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14294 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14295 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14296 match the comment for MIPS16.
14298 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14300 * flow.c (split_edge): Do not call set_block_for_insn if we
14301 do not have a basic_block_for_insn structure.
14303 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14304 and destination functions are 32bit aligned within the trampoline.
14305 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14306 (TRAMPOLINE_ALIGNMENT): Define.
14308 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14309 (set (pc) (label_ref)), verify the change creates a valid insn.
14311 * fr30.c (call_operand): Tighten and rework to match rules for
14312 call RTL expressions.
14313 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14314 * fr30.md (call patterns): Improve constraints.
14316 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14318 * fr30.c (fr30_expand_epilogue): Revert last change.
14319 Use emit_jump_insn for the return insn.
14321 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14322 Stan Cox <scox@cygnus.com>
14324 * predict.c: New file. Preliminary infrastructure work for static
14325 branch prediction and basic block reordering.
14326 * basic-block.h: Add prototype for estimate_probability.
14327 * Makefile.in: Add rules for predict.o.
14329 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14331 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14332 * fixinc/*: Likewise.
14334 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14336 * cccp.c: PROTO -> PARAMS.
14337 * cexp.y: Likewise.
14338 * collect2.c: Likewise.
14339 * combine.c: Likewise.
14340 * convert.h: Likewise.
14342 * dbxout.c: Likewise.
14343 * dbxout.h: Likewise.
14344 * diagnostic.c: Likewise.
14345 * doprint.c: Likewise.
14346 * dwarf2out.c: Likewise.
14347 * dwarf2out.h: Likewise.
14348 * dwarfout.c: Likewise.
14349 * dwarfout.h: Likewise.
14350 * dyn-string.h: Likewise.
14352 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14354 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14355 macro conditionals guarding use.
14357 * dwarf2out.c: Include "tm_p.h".
14359 * function.c (locate_and_pad_parm): Mark parameter with
14361 (expand_function_end): Likewise for variable `context'.
14363 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14365 2000-01-13 Nick Clifton <nickc@cygnus.com>
14367 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14368 register to prevent compile time warnings.
14370 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14372 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14373 to avoid -Wtraditional warning.
14375 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14377 * 1750a-protos.h: New file.
14379 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14382 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14385 * 1750a.md: Likewise.
14387 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14389 * a29k-protos.h: New file.
14391 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14394 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14397 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14399 * clipper-protos.h: New file.
14401 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14404 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14407 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14409 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14411 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14413 * configure.in (--enable-new-gxx-abi): New option.
14414 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14415 * Makefile.in (GXX_ABI_FLAG): New variable.
14416 * configure: Regenerate.
14418 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14420 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14421 * tm.texi (FORCE_STRUCT_BLK): Document.
14422 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14424 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14426 * config/ns32k/ns32k.md: Revert Jan 9 change.
14428 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14429 to a mode-test, if the predicate is address_operand.
14431 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14433 * combine.c (if_then_else_cond): Be careful about what kinds
14434 of RTL expressions are passed to operand_subword.
14436 * flow.c (split_edge): If we have to insert a new jump, make
14437 sure to associate it with a basic block.
14439 * flow.c (commit_one_edge_insertion): A block with one successor
14440 can end in a JUMP_INSN that is not a simplejump.
14442 2000-01-12 Robert Lipe <robertl@sco.com>
14444 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14445 (BUILD_VA_LIST_TYPE): Define.
14446 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14449 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14451 * cccp.c (do_pragma): Add cast to (char *).
14453 2000-01-12 Richard Henderson <rth@cygnus.com>
14454 Fred Fish <fnf@be.com>
14455 Jason Merrill <jason@cygnus.com>
14457 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14458 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14459 * i386/beos-elf.h, i386/beos-pe.h: New files.
14461 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14462 * cross-make (SYSTEM_HEADER_DIR): Define using
14463 CROSS_SYSTEM_HEADER_DIR.
14465 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14466 (process_command): Use it.
14467 (main): Likewise. Kill trailing = from env vars.
14468 (build_search_list): Put it back.
14469 * collect2.c (main): Use LIBRARY_PATH_ENV.
14471 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14472 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14474 * tm.texi (Frame Layout): Document SMALL_STACK.
14475 * c-common.c (c_common_nodes_and_builtins): Check it.
14477 * system.h: Undef alloca after including glibc's <stdlib.h>,
14478 if USE_C_ALLOCA is defined.
14480 * gcc.c (set_input): New fn.
14481 (main): After all input files are compiled, reset the input file
14484 * aclocal.m4 (rindex, index): If already defined, don't attempt
14487 * ginclude/varargs.h: (__va_list__): Define ifndef.
14488 * ginclude/stdarg.h: Likewise.
14490 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14491 instead of unsigned char.
14493 * hash.h (true, false, boolean): Undef before enum.
14495 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14496 proper type of "HOST_WIDE_INT *", rather than their natural type of
14497 "unsigned HOST_WIDE_INT *".
14499 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14501 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14503 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14505 * regclass.c (choose_hard_reg_mode): Likewise.
14507 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14509 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14511 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14513 * c-common.c: PROTO -> PARAMS.
14514 * c-common.h: Likewise.
14515 * c-decl.c: Likewise.
14516 * c-iterate.c: Likewise.
14517 * c-lang.c: Likewise.
14518 * c-lex.c: Likewise.
14519 * c-lex.h: Likewise.
14520 * c-parse.in: Likewise.
14521 * c-pragma.c: Likewise.
14522 * c-pragma.h: Likewise.
14523 * c-tree.h: Likewise.
14524 * c-typeck.c: Likewise.
14525 * objc/objc-act.c: Likewise.
14526 * objc/objc-act.h: Likewise.
14528 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14530 * m88k-protos.h: New file.
14532 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14535 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14537 * m88k.md: Likewise.
14539 * tekXD88.h: Likewise.
14541 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14543 * m68k-protos.h: New file.
14545 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14548 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14550 * mot3300.h: Likewise.
14552 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14554 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14556 (extract_bitlist): Declare bitlen.
14558 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14560 * cccp.c: Accept and ignore -lang-fortran.
14562 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14563 qualifiers don't match at any level of pointerness.
14565 2000-01-12 Robert Lipe <robertl@sco.com>
14567 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14569 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14571 * reload1.c (reload_reg_unavailable): New static variable.
14572 (reload_reg_free_p): Test it.
14573 (reload_reg_free_for_value_p): Test it instead of
14575 (choose_reload_regs_init): Compute it.
14577 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14579 * reorg.c (fill_slots_from_thread): Check modified_in_p
14582 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14584 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14585 these nodes even if INTERNALS is not set.
14587 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14589 * gcse.c (delete_null_pointer_checks_1): Cope when
14590 get_condition cannot determine the condition.
14592 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14594 * toplev.h (set_message_length): Declare.
14596 * diagnostic.c (obstack_chunk_alloc): Define macro.
14597 (obstack_chunk_free): Likewise.
14598 (struct output_buffer): New data structure.
14599 (vmessage): Remove.
14600 (output_maximum_width): New variable.
14601 (doing_line_wrapping, set_message_length, init_output_buffer,
14602 get_output_prefix, output_space_left, emit_output_prefix,
14603 output_newline, output_append, output_puts, dump_output,
14604 vbuild_message_string, build_message_string, build_location_prefix,
14605 voutput_notice, output_printf, line_wrapper_printf,
14606 vline_wrapper_message_with_location): New functions. Implement
14607 automatic line wrapping.
14608 (v_message_with_decl): Make it handle automatic line wrapping.
14609 (v_error_with_file_and_line): Likewise.
14610 (v_warning_with_file_and_line): Likewise.
14611 (announce_function): Likewise.
14612 (default_print_error_function): Likewise.
14614 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14616 * cpplib.h (struct cpp_options): Change lang_asm to char.
14618 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14619 done in cpp_handle_option now.
14620 (initialize_builtins): Take out special case code used only by
14622 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14623 if -traditional. Recognize -lang-fortran and set
14624 lang_fortran, also turn off cplusplus_comments.
14625 (print_help): Document -lang-fortran.
14626 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14627 lang_asm. Ignore all directives other than `# 123 "file"' if
14629 (cpp_get_token): If -traditional, don't recognize directives
14630 unless the # is in column 1.
14631 (parse_string): If lang_fortran or lang_asm, silently
14632 terminate strings ('' or "") at end of line.
14633 Remove unnecessary braces.
14635 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14636 Richard Henderson <rth@cygnus.com>
14638 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14640 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14641 strict_low_part when possible.
14643 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14645 * alias.c: PROTO -> PARAMS.
14646 * basic-block.h: Likewise.
14647 * bitmap.c: Likewise.
14648 * bitmap.h: Likewise.
14649 * builtins.c: Likewise.
14650 * c-aux-info.c: Likewise.
14651 * caller-save.c: Likewise.
14652 * calls.c: Likewise.
14654 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14656 * Makefile.in (toplev.o): Depend on regs.h.
14658 * output.h (tdesc_section): Prototype.
14660 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14662 * sdbout.c: Include "tm_p.h".
14664 * toplev.c: Include "regs.h".
14666 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14668 * unroll.c (unroll_loop): Add EH support.
14670 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14672 * pa-protos.h: New file.
14674 * pa.c: Include recog.h and tm_p.h.
14675 (compute_zdepwi_operands, compute_movstrsi_length,
14676 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14677 find_addr_reg, import_milli): Add static prototypes.
14678 (pa_cpu_string, pa_arch_string): Constify a char*.
14679 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14680 (read_only_operand): Add argument `mode'.
14681 (singlemove_string, output_move_double, output_fp_move_double,
14682 output_block_move, output_and, output_ior, output_ascii,
14683 remove_useless_addtr_insns, milli_names, output_mul_insn,
14684 output_div_insn, output_mod_insn, output_arg_descriptor,
14685 output_cbranch, output_bb, output_bvb, output_dbra, ,
14686 output_millicode_call, output_call, hppa_encode_label,
14687 output_parallel_movb, output_parallel_addb): Constify a char*.
14688 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14689 (output_parallel_addb): Remove extra arg to `constrain_operands'
14691 * pa.h: Move all prototypes to pa-protos.h.
14692 (pa_cpu_string, pa_arch_string): Constify a char*.
14693 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14695 * pa.md: Call `function_label_operand' with mode argument.
14696 Likewise for `read_only_operand'.
14697 Fix nesting of parens in call to `symbolic_operand'.
14699 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14701 * i860-protos.h: New file.
14703 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14706 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14708 * i860.md: Likewise.
14710 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14712 * i386.md (movstrsi expander): Rewrite.
14713 (movstrsi_1 insn): Deleted.
14714 (strmovhi, strmovqi expander): New expanders.
14715 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14716 * i386.c (x86_single_stringop): New global variable.
14717 * i386.h (x86_single_stringop): Declare.
14718 (TARGET_SINGLE_STRINGOP): New macro.
14720 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14722 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14723 integer vararg POSTINCREMENT before the destination of the jump
14724 for the hard fp case.
14725 (function_arg_pass_by_reference): Pass a copy of CUM to
14728 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14729 for CONSTANT_ADDRESS_P above while loop for subreg.
14731 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14733 * flow.c (propagate_block): When a prologue/epilogue insn
14734 is marked dead, unconditionally clear libcall_is_dead and
14735 insn_is_dead, and only dump rtl if warnings aren't being
14738 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14740 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14741 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14742 (FIXED_REGISTERS): Set dirflag as fixed.
14743 (CALL_USED_REGISTERS): Set dirflag as used.
14744 (REG_ALLOC_ORDER): Set dirflag as last one.
14745 (DIRFLAG_REG): New macro.
14746 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14747 (HI_REGISTER_NAMES): Add dirflag.
14748 (DEBUF_PRINT_REG): Handle dirflag.
14749 * i386.md (type attribute): New cld and str types.
14750 (length_opcode attribute): Set cld and str to 1.
14751 (memory attribute): Set str to unknown - it is not clear from the
14753 (pent_np function unit): Prefixed string operations takes 12 cycles
14754 minimally; cld takes 2 cycles.
14755 (ppro_uops attribute): Str is "many" and cld is "few".
14756 (ppro_p0 unit): Handle cld here.
14757 (k6_alux unit): Handle cld and str types.
14758 (k6_load unit): It is ocupied by str opcodes.
14759 (k6_store unit): It is ocupied by str opcodes.
14760 (athlon_decode): Str is vector decoded.
14761 (athlon_ieu): Handle str and cld.
14762 (cld pattern): New.
14763 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14764 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14765 cmpstrsi_nz_1 insn): Do not output cld instruction
14767 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14769 * gcc.texi (G++ and GCC): Add Java and Chill.
14770 (Bug Critera): Don't list languages.
14772 * gcc.texi (Incompatibilities): No longer claim most C compilers
14775 * gcc.texi (G++ and GCC): Update other front-ends list.
14777 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14779 * i386.c (ix86_expand_setcc): Fix typo.
14780 (ix86_expand_movcc): Similarly.
14782 * Band-aid until haifa's bitset implementation is nuked.
14783 * haifa-sched.c (extract_bitlst): New parameter for size of the
14784 bitset in bits. All callers changed. Avoid looking at undefined
14785 bits in the bitset.
14786 (edgeset_bitsize): New variable.
14787 (schedule_region): Initialize edgeset_bitsize.
14789 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14791 * Makefile.in (optabs.o): Depend on real.h
14792 (resource.o): Depend on insn-attr.h
14794 * builtins.c (result_vector): Wrap prototype in macro conditions
14795 governing definition and use.
14797 * c-common.c: Include tm_p.h.
14799 * c-lex.c: Likewise.
14801 * elfos.h: Constify a char*.
14803 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14804 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14805 parameter with ATTRIBUTE_UNUSED.
14807 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14810 * haifa-sched.c (schedule_insns): Mark parameter with
14813 * optabs.c: Include real.h.
14815 * real.h (ereal_atof): Add prototype arguments.
14817 * resource.c: Include insn-attr.h.
14819 * sdbout.c (sdbout_queue_anonymous_type,
14820 sdbout_dequeue_anonymous_types): Wrap in macro
14821 SDB_ALLOW_FORWARD_REFERENCES.
14822 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14825 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14827 * stupid.c: Include tm_p.h.
14829 * tree.c (real_value_from_int_cst): Mark parameter with
14832 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14834 * i960-protos.h: New file.
14836 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14839 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14841 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14843 * combine.c (expand_field_assignment): Do not discard SUBREGs
14844 while computing nonzero_bits.
14846 2000-01-09 Nick Clifton <nickc@cygnus.com>
14848 * config/arm/arm.c: Fix compile time warnings about signed vs
14849 unsigned constants.
14850 * config/arm/arm.h: Fix compile time warnings about signed vs
14851 unsigned constants.
14853 2000-01-09 Philip Blundell <philb@gnu.org>
14855 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14856 than `ldm' with only one register.
14857 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14860 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14863 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14865 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14868 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14870 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14871 assignment used as truth value.
14873 * function.c (assign_temp): Mark parameter `dont_promote' with
14874 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14875 PROMOTE_FOR_CALL_ONLY.
14877 * genrecog.c (write_subroutine): Mark variable `operands' with
14880 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14883 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14884 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14886 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14889 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14891 * config/c4x.h: Tidy up comments.
14892 * config/c4x.c: Likewise.
14894 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
14896 * fold-const.c (lshift_double, rshift_double): Handle
14897 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
14899 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14901 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
14902 in prepare_function_start().
14904 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
14906 * config/v850/v850.c (expand_epilogue): Interrupt functions no
14907 longer allocate extra stack for function calls.
14909 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14911 * config/c4x/c4x.md (*subqf3_set): Fix typo.
14913 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14915 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
14917 2000-01-07 David Edelsohn <edelsohn@gnu.org>
14919 * rs6000.c (processor_target_table): Add power3 as alias for 630.
14920 * aix43.h: Revert Aug 2 change.
14921 (HAS_INIT_SECTION): Define, not visible yet.
14922 (LD_INIT_SWITCH): Define, not visible yet.
14923 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
14925 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
14927 * collect2.c (main): Expand ld2 size further.
14928 (export_object_lst): Cast assignment to avoid warning.
14929 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
14930 (scan_prog_file, COFF): Do not collect initialization or
14931 finalization functions generated for entire shared object if
14932 init/fini support present.
14934 2000-01-07 Nick Clifton <nickc@cygnus.com>
14936 * config/elfos.h: Tidy up formatting of marcos. Make sure
14937 that .section directives are always prefixed by a tab.
14939 * config/svr4.h: Add #include "elfos.h" and remove duplicate
14942 2000-01-07 Matt Austern <austern@sgi.com>
14944 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
14947 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
14949 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
14951 (crtbegin.o, s-crtS): Likewise.
14953 2000-01-06 Richard Henderson <rth@cygnus.com>
14955 * alpha.md (adddi_2+1): Limit offset such that it will be
14956 loadable with a single ldah+lda pair.
14957 (adddi_2+2): Explicitly fail split if we can't make it work.
14959 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
14961 * protoize.c: Conditionally include unistd.h.
14962 (IS_SAME_PATH_CHAR): New macro.
14963 (IS_SAME_PATH): New macro.
14964 (CPLUS_FILE_SUFFIX): New macro.
14965 (cplus_suffix): New static variable.
14966 (is_abspath): New static function.
14967 (in_system_include_dir): Handle DOS style pathnames.
14968 (file_could_be_converted): Likewise.
14969 (file_normally_convertible): Likewise.
14970 (directory_specified_p): Likewise.
14971 (file_excluded_p): Likewise.
14972 (abspath): Likewise.
14973 (shortpath): Likewise.
14974 (referenced_file_is_newer): Likewise.
14975 (save_def_or_dec): Likewise.
14976 (do_processing): Likewise.
14978 (edit_file): Likewise. Use rename instead of link.
14979 (rename_c_file): Likewise. Don't rename syscalls file.
14980 (munge_compile_params): Define null device for DOS based systems.
14981 (process_aux_info_file): Use binary mode if appliable.
14982 (edit_file): Likewise.
14983 * invoke.texi (Running Protoize): Document C++ suffixes used.
14985 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
14986 IS_DIR_SEPARATOR macros.
14987 * collect2.c: Likewise.
14988 * cppinit.c: Likewise.
14989 * dwarf2out.c: Likewise.
14991 * gcov.c: Likewise.
14992 * prefix.c: Likewise.
14994 * toplev.c: Likewise.
14995 * system.h: And move to here.
14997 * prefix.c (update_path): Fix typo in variable name.
14999 2000-01-06 Richard Henderson <rth@cygnus.com>
15001 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15002 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15003 (count_reg_sets_1, count_reg_references): Likewise.
15004 (flow_loops_level_compute): Start counting actual loop depth at 1.
15005 (flow_loops_find): Likewise.
15006 * local-alloc.c (update_equiv_regs): Likewise.
15007 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15009 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15011 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15012 FIRST_PSEUDO_REGISTER
15013 * dwarf2out.c: Don't include frame.h
15014 * dwarfout.c: Likewise
15015 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15018 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15020 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15023 * i386.c (movsf splitter): Fix typo in my last checkin.
15025 2000-01-05 Nick Clifton <nickc@cygnus.com>
15027 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15028 own definition of this macro.
15029 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15030 flag_data_sections or UNIQUE_SECTION_P are true.
15032 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15033 unitialised data decls.
15035 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15036 being called for uninitialised data.
15038 * config/i386/interix.c (i386_pe_unique_section): Cope with
15039 being called for uninitialised data.
15041 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15042 for uninitialised data.
15044 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15045 for uninitialised data.
15047 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15048 for uninitialised data.
15050 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15051 (UNIQUE_SECTION_P): Always generate a unique section if
15052 flag_data_sections is true.
15053 (UNIQUE_SECTION): Also generate unique sections for
15054 uninitialised data.
15055 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15056 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15059 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15061 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15064 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15066 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15067 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15068 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15069 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15070 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15072 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15074 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15076 * c-decl.c (finish_enum): Simplify code to determine minimum and
15077 maximum values of the enum, and calculate the type. Remove check
15078 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15079 the DECL_INITIAL of each enumeration constant with a copy converted
15080 to the enumeration type. When updating variant types, don't bother
15081 updating the type itself.
15083 * c-typeck.c (build_binary_op): Simplify conditional expressions
15084 when weeding out spurious signed-unsigned warnings. Add new
15085 spurious warning category: if the unsigned quantity is an enum
15086 and its maximum value fits in signed_type(result_type). Update
15088 (build_conditional_expr): Warn here if one alternative is signed
15089 and the other is unsigned.
15091 2000-01-05 Nick Clifton <nickc@cygnus.com>
15093 * config/fr30/fr30.h: Remove extraneous comments.
15095 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15097 * reload1.c (choose_reload_regs): When disabling a reload, also
15098 set reload_spill_index to -1.
15100 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15102 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15104 (m68*-*-rtemself*): New target.
15105 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15106 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15107 (sparc*-*-rtemself*): New target.
15108 (sparc*-*-rtems*): Now elf not a.out.
15109 * config/i386/rtems.h: Include config/rtems.h.
15110 * config/i386/rtemself.h: Include config/rtems.h.
15111 * config/i960/rtems.h: Include config/rtems.h.
15112 * config/m68k/rtems.h: Include config/rtems.h.
15113 * config/m68k/rtemself.h: Include config/rtems.h.
15114 * config/mips/rtems64.h: Include config/rtems.h.
15115 * config/pa/rtems.h: Include config/rtems.h.
15116 * config/rs6000/rtems.h: Include config/rtems.h.
15117 * config/sh/rtems.h: Include config/rtems.h.
15118 * config/sh/rtemself.h: Include config/rtems.h.
15119 * config/sparc/rtems.h: Include config/rtems.h.
15120 * config/sparc/rtemself.h: Include config/rtems.h
15122 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15124 * final.c (shorten_branches): Correctly compute length of
15125 asms without operands.
15127 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15129 * configure.in: Add pj target.
15130 * configure: Regenerate.
15131 * config/pj: New directory.
15132 * config/pj/lib1funcs.S: New file.
15133 * config/pj/linux.h: New file.
15134 * config/pj/pj.c: New file.
15135 * config/pj/pj.md: New file.
15136 * config/pj/pjl.h: New file.
15137 * config/pj/t-pj: New file.
15138 * config/pj/xm-pj.h: New file
15140 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15142 * toplev.c (rest_of_compilation): Run shorten-branches before
15145 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15147 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15148 macros so that they're consistent with their names.
15149 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15150 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15152 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15154 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15155 modified inadvertently.
15157 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15159 * configure.in (v850*-*-rtems*): New target.
15160 * configure: Regenerate.
15161 * config/v850/rtems.h: New file.
15163 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15165 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15166 (__gthread_key_create): Likewise.
15167 (__gthread_key_dtor): Likewise.
15168 (__gthread_once): Fix logic.
15169 (__gthread_key_delete): Cast away constness.
15171 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15172 * invoke.texi: Document.
15173 * i386/mingw32.h (CPP_SPEC): Use.
15174 (LIBGCC_SPEC): Likewise.
15175 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15177 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15179 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15180 (HANDLE_PRAGMA_PACK): Undefine.
15181 (SLOW_UNALIGNED_ACCESS): Define.
15183 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15185 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15186 to default definition.
15187 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15188 (store_fixed_bit_field): Call macro with word_mode and alignment.
15189 (extract_bit_field): Call macro with relevant mode and alignment.
15190 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15191 to default definition.
15192 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15194 (move_by_pieces_ninsns): Likewise.
15195 (clear_by_pieces): Likewise.
15196 (emit_push_insn): Likewise.
15197 (store_field): Call macro with relevant mode and alignment.
15198 (expand_expr): Likewise.
15199 (expand_expr_unaligned): Likewise.
15201 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15202 (SLOW_UNALIGNED_ACCESS): Define.
15203 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15204 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15205 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15206 (toc_section): Likewise and .toc pseudo-op.
15207 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15209 (TEXT_SECTION_ASM_OP): Likewise.
15210 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15213 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15214 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15215 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15216 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15217 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15219 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15221 * regclass.c: Revert my Jan 4 change to loop cost computation.
15223 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15225 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15228 2000-01-04 Stan Cox <scox@cygnus.com>
15230 * haifa-sched.c (build_control_flow): Change unreachable simple
15231 loop test to check if current block has only one predecessor.
15232 (find_rgns): Initialize degree. Use dest as degree index, not src.
15234 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15236 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15238 * calls.c (expand_call): Likewise for
15239 `old_stack_arg_under_construction'.
15241 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15243 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15246 * gcc.c (execute): Likewise for `ut' and `st'.
15248 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15250 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15252 * jump.c (jump_optimize_1): Likewise for `temp2'.
15254 * local-alloc.c (block_alloc): Likewise for `r1'.
15256 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15258 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15259 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15261 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15264 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15265 and `goal_earlyclobber'.
15267 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15269 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15271 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15273 * unroll.c (copy_loop_body): Likewise for `copy'.
15275 * varasm.c (output_constructor): Likewise for `byte'.
15277 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15279 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15280 all FP constants for constant->reg moves.
15281 (ix86_split_to_parts): Try to convert memory address into immediate
15282 when available in the constant pool.
15283 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15285 (LEGITIMATE_CONSTANT_P): Return 1.
15286 * i386.md (pushsf): New splitter to convert constant pool memory
15287 reference to immediate.
15288 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15291 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15293 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15294 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15295 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15296 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15297 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15299 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15301 * ginclude/stdbool.h: Support compilation as C++.
15303 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15305 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15307 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15309 * regclass.c (regclass): Properly compute loop_cost. Adjust
15312 * regclass.c: Fix minor whitespace problems.
15314 2000-01-03 Anthony Green <green@cygnus.com>
15316 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15317 Restore the pic register if required.
15319 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15321 * c-common.c (format_char_info): Update comment.
15322 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15323 was recognized. Emit warning for formats new in ISO C99 only
15324 if flag_isoc9x is not set.
15326 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15328 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15330 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15332 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15333 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15334 (make_compound_operation): Choose cheaper alternative between
15335 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15337 * regclass.c (op_costs): Remove global variable.
15338 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15339 (record_operand_costs): Break out from ...
15340 (scan_one_insn): ... here.
15341 (dump_regclass): Make dumps nicer.
15342 (regclass): Dump preferrences choosed and changes done during passes.
15344 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15346 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15348 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15350 * config/sparc/sparc.c (gen_df_reg): New function.
15351 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15352 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15353 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15354 movtf_cc_reg_sp64+1): Use it.
15356 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15358 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15359 copied LABEL_DECLs.
15361 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15363 * config/i386/i386.c (ix86_expand_unary_operator): Function
15364 definition made void.
15365 (ix86_expand_binary_operator): Update outdated preceding comment.
15366 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15369 * config/i386/i386.c (override_options): Fix option-name typo.
15371 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15373 * system.h (CEIL): Define.
15374 * builtins.c (CEIL): Remove.
15375 * expmed.c (CEIL): Likewise.
15376 * expr.c (CEIL): Likewise.
15377 * stor-layout.c (CEIL): Likewise.
15379 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15381 * expr.c (store_constructor_field): Fix typo introduced with last
15384 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15386 * tree.h (BINFO_N_BASETYPES): New macro.
15388 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15390 * expmed.c (emit_store_flag): Prevent losing a pending stack
15391 adjust the same way we prevent losing queued increments.
15393 See ChangeLog.2 for earlier changes.