1 2000-06-06 Mark Mitchell <mark@codesourcery.com>
3 * c-common.h (c_language_kind): New type.
4 (c_language): New variab.e
5 * c-common.c (lang_get_alias_set): Don't put structures in
6 non-zero alias sets in C++.
7 * c-decl.c (c_language): Define it.
8 * c-lex.c (doing_objc_thang): Remove.
9 * c-tree.h (doing_objc_thang): Make it a macro.
10 * objc/objc-act.c (lang_decode_option): Set c_language, not
13 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
15 * diagnostic.c (output_maximum_width): Remove.
16 (doing_line_wrapping): Tweak.
17 (diagnostic_buffer): New object.
18 (global_output_buffer): New object.
19 (output_destroy_prefix): New function.
20 (default_initialize_buffer): Likewise.
21 (reshape_diagnostic_buffer): Likewise.
22 (initialize_diagnostics): Likewise.
23 (output_clear): Tweak.
24 (line_wrapper_printf): Adjust call to init_output_buffer.
25 (vline_wrapper_message_with_location): Likewise. Use
26 output_destroy_prefix.
27 (v_message_with_decl): Likewise.
29 * diagnostic.h (struct output_buffer): Constify prefix.
30 (init_output_buffer, output_get_prefix): Constify.
31 (diagnostic_message_length_per_line): Likewise.
32 (reshape_diagnostic_buffer): Declare.
33 (default_initialize_buffer): Declare.
34 (initialize_diagnostics): Declare.
35 (diagnostic_buffer): Declare new obbject.
37 * toplev.c: #include diagnostic.h
38 (display_help): Document diagnostic formatting options.
39 (decode_f_option): Handle diagnostic formatting options.
40 (main): Setup initialization for diagnostic messages outputter.
42 * toplev.h (set_message_length): Remove.
44 * Makefile.in (toplev.o): Depends upon diagnostic.h
46 * invoke.texi : Document diagnostics formatting options.
48 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
50 * configure.in (Make the links): Typo fix : the file that must be
51 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
52 * configure: File rebuilt.
54 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
56 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
57 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
59 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
60 emergency eh_context buffer, if malloc fails.
61 (__eh_free): Moved from cp/exception.cc. Release to emergency
62 eh_context buffer, if appropriate.
64 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
66 * expr.c (store_expr): Fix typo.
68 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
70 * m68k.c (legitimize_pic_address): Move prototype ...
72 * m68k-protos.h (legitimize_pic_address): ... here.
74 * m68k.md (legitimize_pic_address): Delete prototypes.
75 (untyped_call): Invoke GEN_CALL(), not gen_call().
77 * nextstep.c: Include system.h and toplev.h.
78 (get_directive_line): Don't prototype.
79 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
81 * nextstep.h (handle_pragma): Prototype.
82 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
84 (EXTRA_SECTION_FUNCTIONS): ... here.
86 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
88 * sdbout.c (struct sdb_file): NAME now const.
89 (sdbout_init): input_file_name now const.
90 (sdbout_start_new_source_file): FILENAME now const.
91 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
93 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
95 * c-typeck.c (build_conditional_expr): Handle complex data types.
97 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
99 * explow.c (maybe_set_unchanging): New function, broken out from...
100 (set_mem_attributes): Here.
101 * expr.h: Declare it.
102 * stmt.c (expand_decl): Call it.
104 2000-06-05 Richard Henderson <rth@cygnus.com>
106 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
107 while looking for a register to inherit from.
109 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
111 * Makefile.in (libgcc.ready): Lose.
112 (libgcc.mk): Just use mv, not move-if-change.
113 (LIBGCC_DEPS): New macro.
115 (stmp-multilib): Likewise.
116 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
117 it rather than the directories themselves.
118 (LIB2ADD): Depend on the list file rather than 'force'.
120 * fold-const.c (fold, case COND_EXPR): Elide conversion between
121 cv-qualified versions of types.
123 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
125 * config/sparc/sparc.c (short_branch): Correct error in range
128 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
130 * fixinc/inclhack.def: New include hacks for ultrix.
131 * (nested_ultrix): Replaced by ultrix_nested_svc.
132 * (ultrix_atof_param): test_text string added.
133 * (ultrix_ifdef): Modified select string.
135 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
137 * objc/objc-act.c (generate_method_descriptors): Register
138 objc_method_prototype_template as a GC root.
139 (comp_method_with_proto): Register function_type as a GC root.
140 (comp_proto_with_proto): Replace function_type1 and
141 function_type2 with a two-element array; register it as a GC root.
143 (generate_protocols, build_protocol_initializer,
144 generate_protocol_list, build_category_initializer,
145 build_shared_structure_initializer): Do not cache cast_type
148 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
150 * function.c (assign_parms): Add missing argument to set_mem_attributes
153 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
155 * tree.h (VOID_TYPE_P): New macro.
156 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
157 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
158 (get_parm_info): Likewise.
159 (store_parm_decls): Likewise.
160 (combine_parm_decls): Likewise.
161 (finish_function): Likewise.
162 * c-typeck.c (build_function_call): Likewise.
163 (build_binary_op): Likewise.
164 (build_conditional_expr): Likewise.
165 (internal_build_compound_expr): Likewise.
166 (convert_for_assignment): Likewise.
167 * stmt.c (expend_expr_stmt): Likewise.
168 (warn_if_unused_value): Likewise.
169 (expand_return): Likewise.
170 * c-parse.in (primary): Likewise.
171 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
172 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
174 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
176 * alias.c (get_alias_set): If compnent is addressable, use alias
178 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
179 (grokdeclarator): Likewise.
180 * c-typeck.c (common_type): Likewise.
182 2000-06-04 Alex Samuel <samuel@codesourcery.com>
184 * Makefile.in (OBJS): Remove dyn_string.o
185 (dyn-string.o): Delete rule.
186 * dyn-string.c: Delete file
187 * dyn-string.h: Likewise.
189 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
191 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
194 S2000-06-03 Geoff Keating <geoffk@cygnus.com>
196 * alias.c (record_component_aliases): Don't inspect
197 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
199 at Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
201 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
202 it with the pattern to do machine dependent work.
203 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
204 use it to modify the true/false tests used in conditional
205 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
206 defined, invoke them if the conversion to conditional execution
207 was successful or not.
209 * tm.texi (IFCVT_MODIFY_TESTS): Document.
210 (IFCVT_MODIFY_INSN): Ditto.
211 (IFCVT_MODIFY_FINAL): Ditto.
212 (IFCVT_MODIFY_CANCEL): Ditto.
214 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
216 * toplev.c (main): Fix misspellings of possibility and language.
218 2000-06-03 Richard Henderson <rth@cygnus.com>
220 * alias.c (record_alias_subset): Initialize has_zero_child in the
223 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
225 * arm.md (untyped_call): Use GEN_CALL macro.
227 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
229 * Makefile.in: Use $(MAKE) not "make"
231 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
233 * alias.c (struct alias_set_entry): New field has_zero_child.
234 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
235 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
237 Call record_component_aliases for aggregate types.
238 (record_alias_subset): Set has_zero_child.
239 (record_component_aliases, case ARRAY_TYPE): Do nothing if
240 TYPE_NONALIASES_COMPONENT.
241 (record_component_aliases, case RECORD_TYPE): Test
242 DECL_NONADDRESSABLE_P.
243 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
245 * calls.c (initialize_argument_information): Only test
246 TYPE_TRANSPARENT_UNION for UNION_TYPE.
247 * function.c (assign_parms): Likewise.
248 * integrate.c (function_cannot_inline_p): Likewise.
249 * stor-layout.c (finish_record_layout): Don't call
250 record_component_aliases.
251 * tree.h (struct tree_int_cst): Use struct tree_common.
252 (struct tree_real_cst, struct tree_string): Likewise.
253 (struct tree_complex, struct tree_identifier): Likewise.
254 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
255 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
256 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
257 (TYPE_NONALIASES_COMPONENT): New macro.
258 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
259 (DECL_NONADDRESSABLE_P): New macro.
260 (struct tree_decl): Reorder bits for clarity of how many left;
263 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
265 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
266 * mklibgcc.in (force): New target.
267 Make LIB2ADD stuff depend on it.
269 2000-06-02 Richard Henderson <rth@cygnus.com>
271 * alias.c (lang_get_alias_set): Remove.
272 (get_alias_set): Call it directly, not indirectly.
273 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
274 * c-common.h (c_get_alias_set): Don't declare.
275 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
276 * expr.h (lang_get_alias_set): Declare as function, not pointer.
278 2000-06-02 Bruce Korb <bkorb@gnu.org>
280 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
281 (server_setup): define the server's master pid
282 (close_server): actually do the deed IFF we are the server's master
284 2000-06-02 Jakub Jelinek <jakub@redhat.com>
286 * c-common.c (c_get_alias_set): Check whether signed_type did not
287 return its argument before calling get_alias_set on the result.
289 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
291 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
293 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
295 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
296 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
297 for TARGET_NOMACSAVE.
298 (NOMACSAVE_BIT): Define.
299 (TARGET_NOMACSAVE): Define.
300 (TARGET_SWITCHES): Add "nomacsave".
302 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
304 * sh.md (untyped_call): Remove excess parameters
306 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
308 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
309 match that used before the conversion to c_fix style.
310 * fixinc/fixincl.x: regenerate
312 2000-06-01 Stan Cox <scox@cygnus.com>
314 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
317 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
319 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
321 * cpplib.c (parse_include): Remove support for VAX-C
322 "#include starlet" misfeature.
324 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
326 * cppfiles.c: conditionally define O_BINARY.
327 (open_include_file): pass O_BINARY to open().
329 2000-06-01 Richard Henderson <rth@cygnus.com>
331 * i960.c (i960_br_predict_opcode): Remove.
332 (i960_print_operand) [+]: Emit branch prediction hints.
333 (i960_function_arg): Return early for VOIDmode.
334 (i960_round_align): Return early for incomplete types.
335 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
336 * i960.md (all conditional branches): Add "%+".
338 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
340 * alias.c (get_alias_set): Don't call language-specific routine more
341 than is needed and clean up code a bit.
342 * c-common.c (c_get_alias_set): All references whose type
343 is char get alias set 0, but character types need not.
344 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
345 (make_decl_rtl): Don't call it for FUNCTION_DECL.
347 2000-06-01 Bruce Korb <bkorb@gnu.org>
349 * fixinc/tests/base/...: new base result files
351 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
353 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
354 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
355 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
358 2000-06-01 Richard Henderson <rth@cygnus.com>
360 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
362 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
364 2000-05-31 Richard Henderson <rth@cygnus.com>
366 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
367 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
368 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
370 2000-05-31 Richard Henderson <rth@cygnus.com>
372 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
373 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
374 (ia64_print_operand) [+]: ... here. Use current_output_insn.
375 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
376 * config/ia64/ia64.md (all branch/call patterns): Use %+.
378 2000-05-31 Richard Henderson <rth@cygnus.com>
380 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
382 2000-05-31 Richard Henderson <rth@cygnus.com>
384 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
386 (find_if_block): Allow THEN with no outgoing edges.
387 * flow.c (merge_blocks_nomove): Remove a barrier not following
390 2000-05-31 Richard Henderson <rth@cygnus.com>
392 * flow.c (propagate_block): Move initialization of mem_set_list ...
393 (init_propagate_block_info): ... here. Also track blocks with
394 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
396 2000-05-31 Richard Henderson <rth@cygnus.com>
398 * jump.c (jump_optimize_1): Revert 05-18 change.
400 2000-05-31 Mark Mitchell <mark@codesourcery.com>
402 * invoke.texi: Remove documentation for -fguiding-decls.
404 2000-05-31 Richard Henderson <rth@cygnus.com>
406 * configure.in: Fix typo last change.
408 2000-05-31 Philipp Thomas <pthomas@suse.de>
410 * configure.in (enable-nls): Enable if build == host, i.e. when
411 not building a canadian cross compiler.
412 (enable-maintainer-mode): Added for use with i18n.
413 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
414 cross section of ALL_LINGUAS and LINGUAS.
415 * configure: Rebuild.
417 2000-05-31 Bruce Korb <bkorb@gnu.org>
419 * fixinc/check.tpl: rework to use test result tree
420 * fixinc/Makefile.in: change invocation of check script
421 * fixinc/check.diff: No longer needed
422 * fixinc/fixincl.x: regenerate
423 * fixinc/inclhack.def: add new tests
424 * fixinc/tests/base/arch/i960/archI960.h: New test result
425 * fixinc/tests/base/curses.h: modified test result
426 * fixinc/tests/base/stdio.h: ditto
427 * fixinc/tests/base/time.h: ditto
428 * fixinc/tests/base/sys/asm.h: ditto
429 * fixinc/tests/base/sys/stat.h: ditto
430 * fixinc/tests/base/sys/wait.h: ditto
432 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
434 * except.c (clear_function_eh_region): Do not free NULL.
436 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
438 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
439 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
440 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
441 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
442 (find_base_decl): New function, from c_find_base_decl in c-common.c.
443 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
444 (get_alias_set): Likewise.
445 Major rework to do more things and allow language-specific code
446 to just handle special-cases.
447 (record_alias_subset): Args are HOST_WIDE_INT.
448 (record_component_alias): Local vars are HOST_WIDE_INT.
449 Don't handle COMPLEX_EXPR.
450 (get_varargs_alias_set): Moved from builtins.c.
451 (get_frame_alias_set): New function.
452 * builtins.c (expand_builtin_return_address): Use frame alias set.
453 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
455 (get_memory_rtx): Rework to use set_mem_attributes.
456 (get_varargs_alias_set): Deleted from here.
457 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
458 (c_find_base_decl): Deleted from here.
459 (c_get_alias_set): Remove many cases and rework to just handle
461 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
462 * c-decl.c (rtl.h, expr.h): Now included.
463 (init_decl_processing): Call record_component_aliases on array types.
464 (grokdeclarator): Likewise.
465 Set TREE_ADDRESSABLE for all fields that are not bitfields.
466 * c-typeck.c (common_type): Call record_component_aliases for array.
467 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
468 Set all save areas to the frame alias set.
469 * calls.c (initialie_argument_information): Call set_mem_attributes.
470 (compute_argument_addresses, expand_call): Likewise.
471 * explow.c (set_mem_attributes): New function.
472 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
473 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
474 LEN and OFFSET now HOST_WIDE_INT.
475 (clear_by_pieces): Similar changes.
476 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
477 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
478 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
479 (clear_by_pieces_1): Likewise.
480 (emit_push_insn): Call set_mem_attributes.
481 (expand_expr, case INDIRECT_REF): Likewise.
482 (expand_expr, case VAR_DECL): Call change_address.
483 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
485 (get_varargs_alias_set, get_frame_alias_set): New decls.
486 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
487 (new_alias_set, set_mem_attributes): Likewse.
488 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
489 (assign_stack_temp_for_type): Likewise.
490 Can split slot even if alias set since can copy.
491 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
492 (assign_temp): Use host_integerp and tree_low_cst.
493 (put_var_into_stack): Properly handle SAVE_EXPR.
494 (put_addressof_into_stack): Likewise.
495 (assign_parms): Call set_mem_attributes.
497 (fix_lexical_address): Put reference to chain into frame alias set.
498 (expand_function_start): Call set_mem_attributes.
499 * integrate.c (expand_inline_function): Likewise.
500 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
501 * regmove.c (try_apply_stack_adjustment): Likewise.
502 * reload.c (push_reload, make_memloc): Likewise.
503 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
504 * rtl.def (MEM): Update comment.
505 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
506 (move_by_pieces): Change length to HOST_WIDE_INT.
507 (record_base_value, record_alias_subset): Delete from here.
508 * stmt.c (expand_decl): Call set_mem_attributes.
509 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
510 * toplev.c (compile_file): Call init_alias_once earlier.
511 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
512 from here: now in alias.c.
513 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
514 (struct tree_decl): Likewise.
515 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
516 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
517 (output_constant_def, force_const_mem): Likewise.
519 * flow.c (propagate_block): If block has no successors, stores to
520 frame are dead if not used.
522 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
524 * stmt (expand_end_case): Reorder conversion sequence for jump
525 table to avoid extra truncations.
527 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
529 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
530 in the block is more than just a simple conditional branch.
531 (noce_process_if_block): Similarly.
533 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
535 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
538 2000-05-30 Michael Meissner <meissner@redhat.com>
540 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
541 instructions. Treat LO_SUM operations as loading the full integer
544 2000-05-30 Richard Henderson <rth@cygnus.com>
546 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
548 2000-05-30 Richard Henderson <rth@cygnus.com>
550 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
552 2000-05-30 Bruce Korb <bkorb@gnu.org>
554 * fixinc/tests/*: Added expected result files for fixinc's make check
555 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
557 2000-05-30 Richard Henderson <rth@cygnus.com>
559 * config/alpha/alpha.md (*setne_internal): Use match_operator
560 instead of working down from insn.
562 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
564 * invoke.texi (-Wtraditional): Update WRT function macros.
566 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
568 * except.c (free_exception_table): Do not free NULL.
570 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
572 * cpplib.c (do_if): Don't save and restore only_seen_white here.
573 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
576 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
578 * flow.c (mark_used_reg): If a register is unconditionally live,
579 remove any conditional death information.
581 2000-05-29 Richard Henderson <rth@cygnus.com>
583 * final.c (current_output_insn): New.
584 (final_scan_insn): Set it.
585 * output.h: Declare it.
587 2000-05-29 Richard Henderson <rth@cygnus.com>
589 * stor-layout.c (finalize_record_size): Fix typo.
591 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
594 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
596 * cpplib.h (cpp_reader): Remove if_stack. Change
597 potential_control_macro to a cpp_hashnode *. Add skipping flag.
598 * cpphash.h (struct ihash): Change control_macro to a
599 cpp_hashnode * and shorten name to cmacro.
600 Add NEVER_REINCLUDE constant.
602 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
603 Examine the cmacro node directly, no need to call cpp_defined.
604 (_cpp_execute_include, read_include_file): Set cmacro to
605 NEVER_REINCLUDE, not U"".
606 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
607 (cpp_get_token): If pfile->skipping is true, discard text and
608 keep scanning until we hit a directive; don't expand macros.
610 * cpplib.c (struct if_stack): Remove if_succeeded, add
611 was_skipping. Change control_macro to a cpp_hashnode * and
612 shorten name to cmacro. Remove typedef IF_STACK.
613 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
614 (conditional_skip, skip_if_group,
615 consider_directive_while_skipping): Delete.
616 (push_conditional): New.
617 (_cpp_handle_directive): Don't process directives other than
618 conditionals if we are skipping.
620 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
621 Update to new scheme.
622 (validate_else): Skip rest of line here, unconditionally.
623 (_cpp_unwind_if_stack): The stack is per-buffer. Force
626 (all): Remove `scare quotes' from error messages.
628 2000-05-29 Richard Henderson <rth@cygnus.com>
630 * function.c (emit_return_into_block): New line_note arg; emit it.
631 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
632 for the close brace to accompany HAVE_return. Move all line notes
633 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
635 2000-05-29 Richard Henderson <rth@cygnus.com>
637 * longlong.h [__alpha] (count_leading_zeros): New.
638 (count_trailing_zeros): New.
639 (COUNT_LEADING_ZEROS_0): New.
641 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
642 (alpha_split_conditional_move): New.
643 * config/alpha/alpha-protos.h: Prototype them.
644 * config/alpha/alpha.h (PREDICATE_CODES): Update.
645 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
646 * config/alpha/alpha.md: Update ffs cix commentary.
648 (*nabssf2, *nabsdf2): New.
649 (*mov[qhsd]icc_internal): Use add_operand.
650 (if_then_else constant splitters): New.
651 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
652 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
654 2000-05-29 Richard Henderson <rth@cygnus.com>
656 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
657 a constant to NEG or NOT when conditions allow.
659 * combine.c (combine_simplify_rtx): Don't create an if_then_else
660 unless both args are general_operand. Don't canonicalize plus
661 to ior unless it helps.
663 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
664 instead track register_life_up_to_date. Toggle no_new_pseudos
667 2000-05-28 Geoff Keating <geoffk@cygnus.com>
669 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
670 so output_operand doesn't see them.
672 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
674 * lcm.c (make_preds_opaque): Fix comment.
675 (optimize_mode_switching): Use NORMAL_MODE instead of
676 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
677 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
678 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
679 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
680 (MODE_USES_IN_EXIT_BLOCK): Delete.
681 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
682 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
683 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
684 (MODE_NEEDED): Don't look for USE.
685 (EPILOGUE_USES): Define.
687 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
689 * mklibgcc.in (all): Variable initialised to `libgcc'.
691 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
693 * toplev.h (skip_leading_substring): New macro.
694 * toplev.c (decode_f_option): Use skip_leading_substring instead
696 (decode_W_option): Likewise.
698 2000-05-28 Nick Clifton <nickc@cygnus.com>
700 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
703 2000-05-28 Richard Henderson <rth@cygnus.com>
705 * regclass.c (record_operand_costs): Protect reg_changes_size
706 with CLASS_CANNOT_CHANGE_SIZE.
708 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
710 2000-05-28 Richard Henderson <rth@cygnus.com>
712 * function.c (diddle_return_value): A pcc-style struct return
715 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
717 * cppfiles.c: Read files in, using mmap if possible, then
718 prescan them separately.
719 (read_file, read_with_read): New functions.
720 * cpplex.c: Don't define UCHAR_MAX.
721 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
724 * cppinit.c (handle_option): Automatically define __cplusplus,
725 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
726 the respective -lang switch.
728 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
729 prototype): Move to...
730 * cpplib.h: ... here. Rename struct hashnode to struct
731 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
732 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
734 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
736 * config/rs6000/rs6000.md (movsi): Constify 'name'.
738 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
739 (class_can_change_size): New variable.
740 (reg_changes_size): New variable.
741 (init_reg_sets_1): Initialise class_can_change_size.
742 (record_operand_costs): Remove subreg_changes_size.
743 Don't pass it around. Instead update reg_changes_size.
744 (regclass): Initialise and free reg_changes_size. If a register
745 changes size, don't preference it to a class that contains
746 registers that can't change size.
747 (record_reg_classes): Don't look at subreg_changes_size.
749 2000-05-27 Richard Henderson <rth@cygnus.com>
751 * print-rtl.c (reg_names): Remove const.
752 * regclass.c (reg_names): Likewise.
753 * regs.h (reg_names): Likewise.
754 * hard-reg-set.h (reg_names): Likewise.
756 2000-05-27 Richard Henderson <rth@cygnus.com>
758 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
760 2000-05-27 Richard Henderson <rth@cygnus.com>
762 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
763 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
764 (alpha_expand_prologue): Emit prologue_mcount if needed.
765 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
766 * config/alpha/alpha.md (prologue_mcount): New.
767 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
768 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
769 * config/alpha/netbsd.h: Likewise.
771 2000-05-27 Richard Henderson <rth@cygnus.com>
773 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
774 change to config/elfos.h.
776 2000-05-27 Richard Henderson <rth@cygnus.com>
778 * Makefile.in (resource.o): Depend on except.h.
779 * except.h (output_exception_table_data): Prototype.
780 * genconfig.c (gen_peephole2): Prototype.
781 * genemit.c (main): Include ggc.h.
782 * genoutput.c: Revert parts of last change: include errors.h
783 (main): Set progname.
784 * recog.c: Include hard-reg-set.h before recog.h.
785 * resource.c: Include except.h.
787 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
789 (alpha_write_linkage): Protect with BUFSIZ.
790 (alpha_need_linkage): Update prototype.
791 * config/alpha/alpha.c (function_arg): Move VMS code here.
792 (alpha_links_base): Remove.
794 (mark_alpha_links_node, mark_alpha_links): New.
795 (alpha_write_one_linkage): New.
796 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
797 (alpha_write_linkage): Use splay_tree_foreach.
798 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
799 to get the linkage symbol.
800 (call_value_vms): Likewise.
801 * config/alpha/elf.h (output_file_directive): Remove decl.
802 (ctors_section, dtors_section): Prototype.
803 (sbss_section, sdata_section): Prototype.
804 * config/alpha/vms.h (FUNCTION_ARG): Remove.
805 (readonly_section, link_section, literals_section): Prototype.
806 (ctors_section, dtors_section): Prototype.
807 (vms_valid_decl_attribute_p): Remove decl.
808 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
810 2000-05-27 Geoff Keating <geoffk@cygnus.com>
812 * reload.c (get_secondary_mem): Don't widen floating-point modes.
814 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
815 substituting the REG in a (subreg:X (reg:Y ...)).
817 2000-05-28 Neil Booth <NeilB@earthling.net>
819 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
820 first token of a line BOL. Update EOF code for this.
821 Remove illegal directive check - it appears in the (not
822 yet committed) caller.
823 * cpplib.h (BOL): New flag.
825 2000-05-28 Neil Booth <NeilB@earthling.net>
827 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
828 (_cpp_free_toklist): No comment space to free.
829 (expand_comment_space): Remove.
830 (save_comment_space): Place the comment in the current token and
831 not in a separate comment space.
832 (_cpp_lex_line): Save comments during plain code and #define
834 * cpplib.h (struct _cpp_toklist): Remove comment space.
836 2000-05-28 Neil Booth <NeilB@earthling.net>
838 * cppexp.c (parse_assertion): Supply extra argument to
840 * cpplib.c (do_assert, do_unassert): Similarly.
841 * cpphash.h (_cpp_init_toklist) Update.
842 (_cpp_expand_token_space): New.
843 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
844 * cpplex.c (_cpp_init_toklist): New argument.
845 (parse_string2): New argument multiline_ok.
846 (spell_token): Take a const cpp_token *.
847 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
848 (SPELL_ macros): Replace with enum.
849 (expand_token_space): Replace with _cpp_expand_token_space.
851 (IS_DIRECTIVE): Update.
852 (_cpp_lex_line): Update token structure before parsing number.
853 Don't assume start at beginning of token list.
854 (save_comment): Use INIT_TOKEN_NAME.
856 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
858 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
859 -Wmissing-prototypes.
860 * configure: Regenerate.
861 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
863 * builtins.c, calls.c: Change all instances of gen_call_* or
864 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
865 * calls.c (struct_value_size_rtx): Separate definition from
866 initialization to avoid unused variable warning.
868 * genflags.c (gen_macro): New function.
869 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
870 (gen_nonproto): Delete.
871 (gen_insn): Put all insns on the same obstack.
872 (main): Generate prototypes for everything unconditionally.
874 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
875 out check for wchar_t.
876 * acconfig.h: Add template for ssize_t. Remove @TOP@.
877 * system.h: Add infrastructure for defining missing
878 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
879 definitions of UCHAR_MAX and SSIZE_MAX.
880 * configure: Regenerate.
881 * config.in: Regenerate.
883 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
884 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
886 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
887 libgcc2.a, or libgcc1.null.
889 2000-05-27 Richard Henderson <rth@cygnus.com>
891 * Makefile.in (recog.o): Don't depend on resource.h.
892 * recog.c: Don't include resource.h.
893 (recog_last_allowed_insn): Remove.
894 (recog_next_insn): Remove.
895 (struct peep2_insn_data): New.
896 (peep2_insn_data, peep2_current): New.
897 (peep2_next_insn): New.
898 (peep2_regno_dead_p, peep2_reg_dead_p): New.
899 (peep2_find_free_register): New.
900 (peephole2_optimize): Track life information by insn as we go.
901 * recog.h: Update declarations.
902 * resource.c (find_free_register, reg_dead_p): Remove.
903 * resource.h: Remove their declarations.
904 * toplev.c: Include hard-reg-set.h before recog.h.
906 * genconfig.c (max_insns_per_peep2): New.
907 (gen_peephole2): New.
909 * genemit.c (output_peephole2_scratches): Generate calls to
910 peep2_find_free_register; adjust surrounding code.
911 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
912 * genrecog.c (change_state): Don't track last_insn.
913 (write_action): Write into *_pmatch_len before accepting.
914 (write_tree): Adjust peephole2_insns and subroutines to match.
916 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
918 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
919 (hard_int_register_operand): New.
920 * config/alpha/alpha-protos.h: Declare it.
921 * config/alpha/alpha.h (PREDICATE_CODES): Update.
922 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
923 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
925 2000-05-27 Richard Henderson <rth@cygnus.com>
927 * function.c (thread_prologue_epilogue_insns): Don't move the
928 line note at the head of the chain. Only force a lineno note
929 before the end of block 0.
931 2000-05-27 Richard Henderson <rth@cygnus.com>
933 * gensupport.c (collect_insn_data): Record the maximum number
934 of alternatives, not the last seen.
936 * genoutput.c: Don't include errors.h.
937 (struct data): Add lineno member.
939 (scan_operands): Use message_with_line instead of error.
940 (validate_insn_alternatives): Likewise.
941 (gen_insn): Accept and store the pattern's line number.
942 (gen_peephole, gen_expand, gen_split): Likewise.
943 (main): Don't set progname. Pass line_no to gen_foo.
945 2000-05-27 Richard Henderson <rth@cygnus.com>
947 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
948 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
949 * config/d30v/d30v.md (attr predicable): New.
950 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
951 (andsi3*): Unify into one pattern.
952 (iorsi3*, xorsi3*): Likewise.
953 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
955 (old cond_exec patterns): Remove.
956 (define_cond_exec): New.
958 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
960 * tree.h (TREE_CODE_LENGTH): New macro.
961 * c-common.c (c_find_base_decl): Use it.
962 * expr.c (safe_from_p): Likewise.
963 * print-tree.c (print_node): Likewise.
964 * tree.c (make_node, copy_node, get_identifier): Likewie.
965 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
966 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
967 * fold-const.c (make_range): Likewise.
968 (fold): Likewise; also use first_rtl_op.
969 * c-iterate.c (collect_iterators): Use first_rtl_op.
970 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
971 Use IS_EXPR_CODE_CLASS.
972 (preexpand_calls): Likewise.
973 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
974 and TREE_CODE_LENGTH.
975 * stmt.c (warn_if_unused_value): If no operands, no unused value.
977 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
979 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
981 (movdi_internal64): Likewise.
983 * config/rs6000/rs6000.md: Correct order of operands for DImode
986 * config/rs6000/rs6000.c (boolean_or_operator): New function.
987 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
988 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
989 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
990 boolean_operator for the boolean patterns without NOTs.
992 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
993 from reg_or_u_cint_operand. Change comment and behaviour.
994 (logical_operand): Clean up, add assertion.
995 (non_logical_cint_operand): Also check for
996 reg_or_logical_cint_operand.
997 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
998 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
1004 2000-05-26 Mark Mitchell <mark@codesourcery.com>
1006 * tree.h (struct record_layout_info): Rename to (struct
1007 record_layout_info_s).
1008 * stor-layout.c (start_record_layout): Replace
1009 `record_layout_info' with `record_layout_info_s'.
1011 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1013 * flow.c (find_label_refs): New function.
1014 (find_basic_blocks_1): Call it for each alternative of a call
1017 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
1019 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
1022 2000-05-25 Richard Henderson <rth@cygnus.com>
1024 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
1025 so strict about DImode.
1026 (alpha_swapped_comparison_operator): Likewise.
1027 * config/alpha/alpha.md (*setne_internal): Name it. Allow
1028 any integer output mode.
1029 (*setcc_internal): Likewise.
1030 (*setcc_swapped_internal): Likewise.
1031 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
1032 (*mov[qhs]icc_internal): New.
1033 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
1035 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1037 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
1039 2000-05-25 Richard Henderson <rth@cygnus.com>
1041 * bb-reorder.c (reorder_block_def): Reorder elements for size.
1042 Remove add_jump; add next; replace flags with visited.
1044 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
1045 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
1046 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
1047 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
1049 (reorder_index, reorder_last_visited): Remove.
1050 (skip_insns_after_block): Rewrite to use a switch.
1051 (get_common_dest): Remove.
1052 (chain_reorder_blocks): Remove.
1053 (record_effective_endpoints): Split out from reorder_basic_blocks.
1054 (make_reorder_chain): Likewise. Loop until all blocks are placed.
1055 (make_reorder_chain_1): Renamed from old make_reorder_chain.
1056 Only construct the reorder chain, do not move insns. Try harder
1058 (label_for_bb, emit_jump_to_block_after): New.
1059 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
1060 and adjust the jump insns appropriately. Fixup basic_block_info.
1061 (verify_insn_chain): Always define.
1062 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
1064 (make_new_scope): Don't write zeros to calloc'd space.
1065 (build_scope_forest): Rely on xrealloc to DTRT.
1066 (reorder_basic_blocks): Don't build loop nest. Don't fail if
1067 profile_arc_flag. Streamline EH test.
1069 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
1070 * basic-block.h: Declare them.
1072 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
1074 * emit-rtl.c (reset_used_decls): New function.
1075 (unshare_all_rtl_again): Call it.
1077 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
1079 * cpplex.c (maybe_macroexpand): Warn about function-like
1080 macros used in non-function context, if -Wtraditional.
1082 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1084 * recog.c (peephole2_optimize): Use INSN_P.
1086 2000-05-25 Richard Henderson <rth@cygnus.com>
1088 * ifcvt.c (seq_contains_jump): New.
1089 (noce_try_store_flag_constants): Use it to fail conversion.
1090 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
1092 2000-05-25 Mark Mitchell <mark@codesourcery.com>
1094 * except.h (can_throw): Declare it.
1095 * except.c (can_throw): Give it external linkage.
1096 * resource.c (find_dead_or_set_registers): Use can_throw.
1098 2000-05-25 Richard Henderson <rth@cygnus.com>
1100 * flow.c (mark_set_1): Don't record conditionally dead memory.
1102 2000-05-25 Jan Hubicka <jh@suse.cz>
1104 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
1105 and pc_set at the place of simplejump_p and condjump_p.
1106 * cse.c (record_jump_equiv): Likewise.
1107 * emit-rtl.c (emit): Likewise.
1108 * explow.c (find_next_ref): Likewise.
1109 * flow.c (tidy_fallthru_edge): Likewise.
1110 (init_propagate_block_info): Likewise.
1111 * gcse.c (delete_null_pointer_checks): Likewise.
1112 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
1113 dead_or_predicable): Likewise.
1114 * integrate.c (copy_insn_list): Likewise.
1115 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
1116 for_each_insn_in_loop, check_dbra_loop, get_condition,
1117 insert_bct, load_mems): Likewise.
1118 * resource.c (find_dead_or_set_registers): Likewise.
1119 * sibcalls.c (simplejump_p): Likewise.
1120 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
1122 2000-05-25 David Edelsohn <edelsohn@gnu.org>
1124 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
1125 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
1127 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
1128 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
1129 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
1130 * rs6000.md: Name various internal patterns.
1132 2000-05-25 Jan Hubicka <jh@suse.cz>
1134 * jump.c (invert_exp_1): Remove first argument, use pc_set
1135 to get the expression.
1136 (redirect_exp): Make static; redirect only the pc_set expression,
1137 remove first argument.
1138 (invert_exp): Remove first argument, make static.
1139 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
1140 any_onlyjump at most places where we originaly did condjump_p
1142 (jump_back_p, follow_jumps, thread_jumps): Likewise.
1143 (delete_barrier_succesors): Use pc_set.
1144 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
1145 calls of invert_exp and redirect_exp.
1146 * rtl.h (redirect_exp, invert_exp): Remove.
1147 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
1149 2000-05-25 Richard Henderson <rth@cygnus.com>
1151 * stmt.c (expand_end_bindings): Fix thinko last change.
1153 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
1154 Andrew Haley <aph@cygnus.com>
1156 * except.c (func_eh_entry): Add emitted field.
1157 (new_eh_region_entry): Set emitted field to 0;
1158 (output_exception_table_entry): Only emit previously un-emitted data,
1159 and send it to the eh_data section.
1160 (output_exception_table): Break out common parts. Output
1161 exception table for entire compilation unit to eh_data section.
1162 (output_exception_table_data): Common parts of output_exception_table.
1163 Send output to eh_data section.
1164 (output_function_exception_table): Output exception table data for
1165 a single function to eh_data section.
1166 (free_exception_table): New external to free the table.
1167 * except.h (free_exception_table): Add prototype.
1168 (output_function_exception_table): Add prototype.
1169 * final.c (final_end_function): Output function exception table
1170 for IA64_UNWIND_INFO.
1171 (final_scan_insn): Emit any unwind directives for an insn.
1173 * frame-dwarf2.c: New file containing all DWARF 2 specific code
1175 * frame.c: Remove all DWARF 2 specific code.
1176 * config/ia64/frame-ia64.c: New file.
1177 (gthread_stuff): Make all gthread available with
1179 (dwarf_fde): Define an IA64 struct for dwarf_fde.
1180 (__register_frame_info, __register_frame): Move to common area of file.
1181 (__register_frame_info_table, __register_frame_table): Move to common i
1183 (__deregister_frame_info, __deregister_frame): Move to common area.
1184 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
1185 (read_uleb128): New version for ia64.
1186 (get_unwind_record): Read the next IA-64 unwind record.
1187 (read_R_record): Read a region header record.
1188 (process_a_b_reg_code): X record helper.
1189 (read_X_record): Read an X format record.
1190 (read_B_record): Read a B format record.
1191 (P3_record_types): List of record types matching the P3 format.
1192 (P7_record_types): List of record types matching the P7 format.
1193 (P8_record_types): List of record types matching the P8 format.
1194 (read_P_record): Read a P format record.
1195 (init_ia64_reg_loc): Set default fields for a register.
1196 (init_ia64_unwind_frame): Set defaults for all register records.
1197 (execute_one_ia64_descriptor): Execute one descriptor record.
1198 (rse_address_add): Calculate the position of a local reg in memory.
1199 (normalize_reg_loc): Turn a location descriptor into a memory address.
1200 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
1201 within a specified PC offset range.
1202 (get_real_reg_value): Given a register location, retrieve its value.
1203 (set_real_reg_value): Change the value of a register location.
1204 (copy_reg_value): Copy reg values, if needed.
1205 (copy_saved_reg_state): Copy all registers that need to be copied.
1206 (process_state_between): Normalize all frame register records that
1207 fall within the specified PC range.
1208 (frame_translate): Take a processed frame description, and turn
1209 everything into addresses.
1210 (build_ia64_frame_state ): Find and create frame state record for a PC.
1211 (get_personality): Get the personality routine for a given frame.
1212 (get_except_table): Get the exception table for a given frame.
1213 (record_name): Unwind record names for debugging.
1214 (print_record): Print and unwind record.
1215 (print_all_records): Print an entire unwind image.
1216 (__ia64_backtrace): Print a backtrace.
1217 (ia64_backtrace_helper): New function.
1218 (__register_frame_info_aux): New function.
1219 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
1221 * frame.h (enum unw_record_type): New unwind record types.
1222 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
1223 (struct unw_r_record, unwind_record): New unwind record structs.
1224 (struct unwind_info_ptr): Unwind information layout.
1225 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
1227 (struct ia64_reg_loc): Register location description.
1228 (struct ia64_frame_state): Location of all registers in a frame.
1229 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
1230 * libgcc2.c (__ia64_personality_v1): Personality routine.
1231 (__calc_caller_bsp): Calculate the bsp register for the caller's
1233 (ia64_throw_helper): Figure out who to return to and set up the
1235 (__throw): Throw routine.
1237 * output.h (assemble_eh_align, assemble_eh_label): New functions
1238 to generate EH info where we want it.
1239 (assemble_eh_integer): New function.
1240 * toplev.c (compile_file): Output module level exception table for
1242 (main): Set exceptions_via_longjump and flag_new_exceptions based
1243 on IA64_UNWIND_INFO too.
1245 * varasm.c (assemble_eh_label): Generate a label via
1246 ASM_OUTPUT_EH_LABEL if it has been specified.
1247 (assemble_eh_align): Generate an alignment directive via
1248 ASM_OUTPUT_EH_ALIGN if it has been specified.
1249 (assemble_eh_label): Generate an integer value via
1250 ASM_OUTPUT_EH_type if they have been specified.
1251 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
1252 (ia64_init_builtins): Add __builtin_ia64_bsp
1253 and __builtin_ia64_flushrs.
1254 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
1255 IA64_BUILTIN_FLUSHRS.
1256 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
1257 IA64_BUILTIN_FLUSHRS.
1259 * config/ia64/ia64.md (flushrs): New insn to flush the register
1260 stack. Add to unspec list.
1262 * config/ia64/crtbegin.asm (frame_object): Change size.
1263 (__do_frame_setup_aux): New function.
1264 * config/ia64/crtend.asm: call __do_frame_setup_aux.
1265 * config/ia64/t-ia64 (LIB2ADDEH): Add.
1266 * Makefile.in (LIB2ADDEH): Add.
1267 (LIB2ADD): Use LIB2ADDEH.
1269 2000-05-24 Richard Henderson <rth@cygnus.com>
1271 * recog.c (offsettable_address_p): If mode size is zero, assume
1274 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
1276 * configure.in: Check for -Wno-long-long option support and improve
1277 handling of warning CFLAGS for stages 1 and 2.
1278 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
1279 * configure: Regenerate.
1281 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
1283 * gcc.texi: Remove contributor list. Instead include contrib.texi.
1284 * contrib.texi: New file.
1286 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1288 * loop.c (basic_induction_var): Avoid double recording of an increment.
1290 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1292 * Back out this patch:
1293 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
1294 * loop.h (struct induction): Add multi_insn_incr.
1295 * loop.c (basic_induction_var): New multi_insn_incr argument.
1296 Set it if we search back through previous insns for the biv.
1297 (record_biv): New multi_insn_incr argument; fill in struct induction.
1298 (strength_reduce): Discard an iv with multiple bivs, any of
1299 which require multiple insns to increment.
1301 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
1303 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1305 * rtl.h (loc_mentioned_in_p): Declare.
1306 * reload.c (loc_mentioned_in_p): Moved from here...
1307 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
1308 Fix loop increment for 'E' handling.
1309 * loop.c (strength_reduce): When doing biv->giv conversion,
1310 take multi-insn biv increments into account.
1312 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
1314 * stmt.c (expand_end_bindings): Look through NOTEs to find a
1317 2000-05-24 Mark Mitchell <mark@codesourcery.com>
1319 * calls.c (expand_call): Handle cleanups in tail-recursion
1320 arguments analagously to cleanups in sibling calls.
1322 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1324 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
1325 All callers changed.
1327 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1329 * expr.c (expand_assignment, store_expr, expand_expr,
1330 expand_expr_unaligned): Set in_check_memory_usage while emitting
1331 chkr_check_addr libcall.
1333 2000-05-24 Nick Clifton <nickc@cygnus.com>
1335 * fold-const.c (extract_muldiv): When constructing a
1336 multiplier/divisor, do not expect const_binop to correctly
1337 determine if overflow has occured, so check explicitly.
1339 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
1341 * c-decl.c (build_enumerator): Don't modify the value's type,
1344 2000-05-24 Andreas Jaeger <aj@suse.de>
1346 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
1348 2000-05-24 Eric Christopher <echristo@cygnus.com>
1350 * configure.in: Redefine inhibit_libc conditions.
1351 * libgcc2.c: Remove inhibit_libc conditional define.
1352 * configure: Regenerate.
1354 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
1356 * configure.in: For --enable-languages=LIST, check for empty LIST.
1357 * configure: Regenerate.
1359 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
1361 * pdp11.h (STACK_BOUNDARY): Define.
1363 2000-05-24 Jakub Jelinek <jakub@redhat.com>
1365 * ifcvt.c (if_convert): Update life info globally.
1367 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1369 * emit-rtl.c (unshare_all_decls): New function.
1370 (unshare_all_rtl): Call it.
1372 2000-05-23 Nick Clifton <nickc@cygnus.com>
1374 * configure.in: Treat 'strongarm' as if it were 'arm' when
1375 determining cpu type.
1377 * configure: Regenerate.
1379 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
1380 where constant strings are involved.
1382 * config/arm/arm.h (arm_condition_codes): Change type to 'const
1385 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
1386 cases where constant strings are involved.
1388 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
1390 * config/sh/sh.c (gen_far_branch, split_branches): Update
1391 to reflect new prototypes for redirect_jump and invert_jump.
1392 (sh_insn_length_adjustment): Get rid of const warnings.
1394 2000-05-23 Kazu Hirata <kazu@hxi.com>
1396 * invoke.texi (Options for Debugging Your Program or GCC): Update
1397 the names of dump files.
1399 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
1401 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
1402 * configure: Regenerated.
1404 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1406 * simplify-rtx.c (SIGN_EXTEND): New macro.
1407 (simplify_unary_operation, simplify_binary_operation,
1408 simplify_relational_operation): Use SIGN_EXTEND. Make low
1409 halves of (low, high) pairs unsigned if they weren't already.
1410 (simplify_ternary_operation): Cast INTVAL to unsigned before
1411 comparing to a MODE_BITSIZE.
1413 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1415 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
1416 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
1418 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
1419 gcc_AC_NEED_DECLARATIONS.
1421 * dwarfout.c: Don't prototype time().
1423 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
1425 * system.h: Likewise.
1427 * toplev.c: Likewise.
1429 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
1431 * c-decl.c (pushdecl): Invert sense of test for non-global types.
1433 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1435 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
1437 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
1439 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
1441 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1443 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
1444 (alpha_start_function): Never write ..ng label if VMS or NT.
1445 (alpha_align_insns): Remove GP_IN_USE arg.
1446 Alignment now unsigned.
1447 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
1448 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
1449 and two define_insn's.
1451 2000-05-22 Richard Henderson <rth@cygnus.com>
1453 * combine.c (simplify_comparison): Use trunc_int_for_mode.
1455 2000-05-22 Richard Henderson <rth@cygnus.com>
1457 * stor-layout.c (place_field): Change rli->size to rli->offset.
1459 2000-05-22 Richard Henderson <rth@cygnus.com>
1461 * function.c (thread_prologue_and_epilogue_insns): Make sure
1462 existing line number notes appear after the prologue.
1464 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1466 * config/alpha/alpha.c (alpha_fnname): New static variable.
1467 (print_operand, case '~'): New case.
1468 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
1469 (alpha_start_function): Set alpha_fnname.
1470 Write "ng" label if no ldgp; don't write ldgp insn.
1471 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
1472 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
1474 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
1476 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
1479 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
1481 * varasm.c (eh_frame_section): Revert change to argument list.
1483 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1485 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
1486 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
1488 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
1489 dangling "else" that causes "break" to be conditional.
1490 Also remove unneeded code at start.
1492 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
1494 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
1495 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
1496 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
1498 2000-05-22 Jakub Jelinek <jakub@redhat.com>
1500 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
1503 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1505 * alias.c (record_component_aliases): New function.
1506 * tree.h: Clean up some declarations and comments.
1507 (record_component_aliases): New declaration.
1508 * tree.c (get_alias_set): If type and has alias set, use it.
1510 2000-05-22 Richard Henderson <rth@cygnus.com>
1512 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
1513 IF_THEN_ELSE to a setcc form.
1514 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
1516 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1518 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
1519 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
1521 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1523 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
1526 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1528 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
1529 * config/mn10300/mn10300.c (print_operand): Likewise.
1531 * final.c (split_double): Right shift of negative values is not
1534 * ifcvt.c (if_convert): Scan and kill dead code.
1536 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
1538 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
1540 * diagnostic.c: Eliminate implicit int.
1541 * except.c, gcc.c: Add static prototypes.
1542 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
1543 * gensupport.c (process_rtx): Use XVEC to initialize vector
1546 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
1547 debug_reg_names instead of static reg_names. If not, define
1549 * regclass.c: Don't define global reg_names unless
1550 DEBUG_REGISTER_NAMES is defined.
1552 * reload1.c (order_regs_for_reload): Remove unused variable.
1553 * varasm.c: Include output.h after defaults.h. Define
1554 eh_frame_section as function of no args, not of unspecified args.
1556 * gcc.c: Constify argbuf; arguments to store_arg,
1557 process_command, main; elements of struct command and struct
1558 switchstr; local variables in execute, process_command, main.
1560 2000-05-20 Bruce Korb <bkorb@gnu.org>
1562 * fixinc/inclhack.def: many applications of c_fix=format + tests
1563 * fixinc/check.diff: regenerated
1564 * fixinc/fixincl.x: regenerated
1566 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1568 * alias.c: Clarify some comments.
1569 (record_base_value): REGNO is unsigned.
1570 * rtl.h (record_base_value): Likewise.
1572 * alias.c (aliases_everything_p): Don't special-case QImode here.
1573 * c-common.c (c_get_alias_set): Do it here.
1574 Handle BIT_FIELD_REF by getting alias info for arg.
1577 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
1579 * mklibgcc.in: Restore rule to create ${dir}.
1581 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
1583 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
1584 GCC_FOR_TARGET used by MULTILIBS.
1585 * mklibgcc.in: Make sure each .o file depends on the
1586 directory it will be in.
1587 Make the multilib directory depends libgcc.
1589 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
1591 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
1593 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
1595 * fold-const.c (make_range): Handle degenerated intervals.
1596 Fixes c-torture/execute/991221-1.c
1598 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1600 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
1601 * reload.c (find_equiv_reg): Likewise.
1602 * alias.c (init_alias_analysis): Likewise.
1603 Only call prologue_epilogue_contains on insns.
1604 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
1605 * bb-reorder.c (hard-reg-set.h): Include earlier.
1606 * haifa-sched.c (hard-reg-set.h): Likewise.
1607 * ifcvt.c (hard-reg-set.h): Likewise.
1608 * local-alloc.c (hard-reg-set.h): Likewise.
1609 * loop.c (hard-reg-set.h): Likewise.
1610 * predict.c (hard-reg-set.h): Likewise.
1611 * regrename.c (hard-reg-set.h): Likewise.
1612 * flow.c (hard-reg-set.h): Likewise.
1613 (reg_set_to_hard_reg_set): New function.
1614 * bitmap.c (regs.h, basic-block.h): No longer include.
1615 (bitmap.h): Now include.
1616 * conflict.c (hard-reg-set.h): Include.
1617 * profile.c (hard-reg-set.h): Likewise.
1618 * print-rtl.c (hard-reg-set.h): Likewise.
1619 * sbitmap.c (hard-reg-set.h): Likewise.
1620 * toplev.c (hard-reg-set.h): Likewise.
1621 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
1622 * hard-reg-set.h (reg_names): Now constant.
1623 * regs.h (reg_names): Likewise.
1624 * regclass.c (reg_names): Likewise.
1625 * loop.h (basic-block.h): No longer include.
1626 (bitmap.h): Now include.
1627 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
1628 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
1629 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
1631 2000-05-19 Jan Hubicka <jh@suse.cz>
1632 Richard Henderson <rth@cygnus.com>
1634 * basic-block.h (struct edge_def): New field "count".
1635 (struct basic_block_def): Likewise.
1636 * flow.c (entry_exit_blocks): Add count fileds.
1637 (split_edge): Keep count information up-to-date.
1638 (dump_edge_info, dump_flow_info): Dump count fields.
1640 * final.c (count_instrumented_edges): Rename to edge from arc.
1641 (end_final): Update users.
1642 * profile.c: Include expr.h, basic-block.h.
1643 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
1644 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
1645 (ignore_next_note, return_label_execution_count): Kill.
1646 (bbg_file_name, da_file_name): Kill.
1647 (edge_info, bb_info): New structures.
1648 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
1649 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
1650 (total_num_edges_instrumented): Likewise.
1651 (init_arc, expand_spanning_tree): Kill.
1652 (fill_spanning_tree, tablejump_entry_p): Kill.
1653 (instrument_edges): Rewrite from instrument_arcs to use
1654 commit_edge_insertions infrastructure.
1655 (compute_branch_probabilities): Remove arguments; rewrite for
1656 CFG infrastructure; use rtl_dump_file directly.
1657 (branch_prob, find_spanning_tree): Likewise.
1658 (union_groups, find_group): New.
1659 (init_branch_prob): Make bbg_file_name and da_file_name local.
1660 (end_branch_prob): Use rtl_dump_file directly.
1661 (init_edge_profiler): Rename to edge from arc.
1662 (output_arc_profiler): Kill.
1663 (gen_edge_profiler): New.
1664 (output_func_start_profiler): Turn off profiling. Make the
1665 constructor static when we can.
1666 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
1668 * toplev.c (DFI_flow): Remove.
1669 (DFI_cfg, DFI_life): New.
1670 (dump_file): Update accordingly.
1671 (compile_file): Call end_branch_prob if profile_arc_flag too.
1672 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
1673 profiling after the CFG is built. Move flow1 life analysis to
1674 DFI_life. Always estimate remaining probabilities.
1676 2000-05-19 Richard Henderson <rth@cygnus.com>
1678 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
1680 * flow.c (make_edges): The sibling call edge to exit is abnormal.
1682 2000-05-19 Richard Henderson <rth@cygnus.com>
1684 * jump.c (redirect_jump): Add delete_unused argument. Don't
1685 remove labels and code following when LABEL_NUSES goes to zero.
1686 (invert_jump): Likewise.
1687 (jump_optimize_1): Fix redirect/invert arguments.
1688 (do_cross_jump, thread_jumps): Likewise.
1689 * flow.c (split_edge): Likewise.
1690 * reorg.c (optimize_skip): Likewise.
1691 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
1692 * profile.c (instrument_arcs): Likewise.
1693 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
1694 * rtl.h: Update prototypes.
1696 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
1698 * ssa.c (convert_from_ssa): Tell life_analysis we need death
1700 (make_regs_equivalent_over_bad_edges): Only look at abnormal
1703 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
1705 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
1706 past l1 when deleting whitespace and markers.
1708 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
1709 * cpplib.c (do_unassert): Put the list to compare against on
1712 2000-05-19 Bruce Korb <bkorb@gnu.org>
1714 * fixinc/README: cleaned up old documentation
1715 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
1716 * fixinc/check.tpl: compute the list of needed directories
1717 emit "#if defined(name)" because of conflict
1718 omit machine name differences from output differences
1719 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
1720 (machine_name): change test text to use `sed' markers
1721 * fixinc/fixincl.x: regen
1723 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1725 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
1728 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1730 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
1731 it to match the current practice.
1733 2000-05-18 Mark Mitchell <mark@codesourcery.com>
1735 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
1737 2000-05-18 Richard Henderson <rth@cygnus.com>
1739 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
1740 * rtl.h (insn_dependant_p): Declare it.
1741 * loop.c (strength_reduce): Use it.
1743 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
1745 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
1746 16-bit and 64-bit clean-up.
1748 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
1750 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
1751 * configure: Rebuilt.
1753 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1755 * genopinit.c: Use $ for escape sequences in optab patterns.
1756 Remove backslashes from optab patterns. Change $A, $B, $C to
1757 expand to (int) whatever instead of just whatever; remove
1758 explicit (int) from all optab patterns.
1760 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
1761 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
1762 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
1763 genrecog.c: Remove private copies of xmalloc, xrealloc, and
1766 2000-05-18 Richard Henderson <rth@cygnus.com>
1768 * jump.c (jump_optimize_1): Base minimum insn count during
1769 find_cross_jump on BRANCH_COST.
1771 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1773 * print-rtl.c (print_rtx): Only print note line number as string
1774 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
1775 * final.c (final_scan_insn): Do nothing for note line number 0.
1777 2000-05-18 Jakub Jelinek <jakub@redhat.com>
1779 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
1780 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
1781 NOTE_INSN_DELETED_LABEL.
1783 2000-05-18 Nick Clifton <nickc@cygnus.com>
1785 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
1786 uninitialised data in .rodata not .bss, and do not interpret an
1787 error in the initialisation value as meaning that the variable
1788 should be placed in the .bss section.
1790 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
1792 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
1793 not `$ac_cv_prog_cc_cc_c_o'.
1794 * configure: Regenerated.
1796 2000-05-18 Chris Demetriou <cgd@sibyte.com>
1797 Richard Henderson <rth@cygnus.com>
1799 * c-common.h (enum c_tree_index): Add g77 type entries.
1800 (g77_integer_type_node, g77_uinteger_type_node): New.
1801 (g77_longint_type_node, g77_ulongint_type_node): New.
1802 * c-decl.c (init_decl_processing): Initialize them.
1804 2000-05-18 Richard Henderson <rth@cygnus.com>
1806 * config/h8300/h8300.md (subs patterns): Use %G to negate.
1808 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
1809 (small_power_of_two): Likewise; use exact_log2.
1810 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
1811 (output_adds_subs): Remove.
1812 (two_insn_adds_subs_operand): New.
1813 (split_adds_subs): New.
1814 * config/h8300/h8300-protos.h: Update.
1815 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
1816 (CONST_OK_FOR_L): Match strict adds operands.
1817 (CONST_OK_FOR_N): Match struct subs operands.
1818 * config/h8300/h8300.md (adds_subs insns): Remove.
1819 (addhi patterns): Output adds/subs directly.
1820 (addsi_h8300h): Likewise.
1821 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
1823 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
1825 * cppexp.c (parse_assertion): New.
1826 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
1827 (_cpp_parse_expr): Remove case '#'. Don't set
1828 parsing_if_directive.
1829 * cpphash.c (collect_objlike_expansion,
1830 collect_funlike_expansion, collect_params,
1831 _cpp_create_definition): The list no longer has a trailing
1833 * cpphash.h (enum node_type): Add T_ASSERTION.
1834 (struct hashnode): Remove aschain, add pred.
1835 (struct predicate): New.
1838 * cpplex.c (expand_token_space): Handle both offset and
1840 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
1841 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
1842 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
1843 _cpp_equiv_toklists): New.
1844 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
1845 stop at any single-character token, not just newline.
1846 (_cpp_lex_token): Remove special cases for #define and #if.
1847 (cpp_get_token): Expect # as a separate token type. Remove
1849 (_cpp_get_directive_token): Remove DIRECTIVE case.
1850 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
1852 * cpplib.c (_cpp_check_directive): Set dirno and
1853 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
1854 (_cpp_handle_directive): Run # <number> through the same logic
1855 as normal directives.
1856 (do_define): Don't set parsing_define_directive. Use
1857 _cpp_scan_until. The list does not have a VSPACE at the end.
1858 (do_if): Save, clear, and restore only_seen_white around
1860 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
1861 (do_assert, do_unassert): Rewrite.
1863 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
1864 (LIST_OFFSET): New flag.
1865 (struct cpp_toklist): Replace dir_handler and dir_flags with
1867 (struct cpp_reader): Remove parsing_if_directive and
1868 parsing_define_directive.
1870 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1872 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
1873 following the cabs decl which terminate on the following line.
1874 Add the corresponding test_text case.
1876 2000-05-18 Neil Booth <NeilB@earthling.net>
1878 * cppinit.c (cpp_reader_init): Initialise col_adjust and
1879 default tab stop size.
1880 (no_num, OPT_ftabstop): New.
1881 (handle_option): Handle "ftabstop=" command-line option.
1882 (print_help): Document it.
1883 * cpplex.c (COLUMN): Remove.
1884 (handle_newline): Reset col_adjust.
1885 (skip_whitespace): Update col_adjust as tabs encountered.
1886 (_cpp_lex_line): Update to use col_adjust. Call
1887 skip_whitespace for all whitespace.
1888 * cpplib.h (struct cpp_options): New member tabstop.
1889 (struct cpp_reader): New member col_adjust.
1890 (CPP_BUF_COL): Update.
1891 (CPP_BUF_COLUMN): New.
1892 * cpp.texi: Document "-ftabstop=" command line option.
1894 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
1896 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
1898 * configure: Rebuilt.
1900 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
1902 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
1904 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
1905 HOST_BITS_PER_WIDE_INT is >= 64.
1907 2000-05-17 Richard Henderson <rth@cygnus.com>
1909 * jump.c (jump_optimize_1): Remove inactive but real insns
1910 in jump-to-next-insn optimization.
1912 2000-05-17 Richard Henderson <rth@cygnus.com>
1914 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
1915 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
1916 Don't call recompute_reg_usage if no_new_pseudos is true.
1917 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
1918 Return true if we did work; update global life information.
1919 * basic-block.h (optimize_mode_switching): Update decl.
1921 2000-05-17 Neil Booth <neilb@earthling.net>
1923 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
1925 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
1927 * cpplib.c: New feature, #pragma system_header.
1928 * cpp.texi: Document special treatment of system headers, and
1929 the various mechanisms to get a header that special treatment.
1931 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1933 * system.h (offsetof): Define at the very end, to ensure we prefer
1934 the platform's definition if available.
1936 2000-05-16 Bruce Korb <bkorb@gnu.org>
1938 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
1939 * fixinc/server.c: likewise
1940 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
1941 + #ifdef debugging code + use #def constant for
1943 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
1944 on C++ math namespace
1946 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1948 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
1949 Don't check the return value of sprintf. Use asprintf to avoid
1952 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
1954 * flags.h (warn_unused_function, warn_unused_label,
1955 warn_unused_parameter, warn_unused_variable, warn_unused_value):
1956 Replace ``warn_unused''.
1957 (set_Wunused): Add declaration.
1958 * toplev.c (set_Wunused): New function.
1959 (warn_unused_function, warn_unused_label, warn_unused_parameter,
1960 warn_unused_variable, warn_unused_value): New variables.
1961 (W_options): Add -Wunused-function, -Wunused-function,
1962 -Wunused-label, -Wunused-parameter, -Wunused-variable and
1963 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
1965 * toplev.c (decode_W_option): Update -Wunused flags by calling
1967 * c-decl.c (c_decode_option): Ditto for -Wall.
1969 * stmt.c (expand_expr_stmt, expand_expr_stmt,
1970 warn_about_unused_variables): Replace warn_unused with more
1971 explicit warn_unused_value et.al.
1972 * function.c (expand_function_end): Ditto.
1973 * c-typeck.c (internal_build_compound_expr,
1974 internal_build_compound_expr): Ditto.
1975 * c-decl.c (poplevel, pop_label_level): Ditto.
1976 * toplev.c (check_global_declarations): Replace warn_unused with
1977 check for either warn_unused_function or warn_unused_variable.
1979 * gcc.1, invoke.texi (Warning Options): Document
1980 -Wunused-function, -Wunused-function, -Wunused-label,
1981 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
1983 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
1985 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
1986 $(srcdir), not in the current directory.
1988 2000-05-16 Richard Henderson <rth@cygnus.com>
1990 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
1991 assembler supports it.
1992 (.fini, .init): Use a gp-relative indirect call.
1993 (__do_global_dtors_aux): Preserve the gp; rebundle.
1994 (__do_frame_setup): Likewise.
1995 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
1996 (.init): Use a gp-relative indirect call.
1997 (__do_global_ctors_aux): Preserve the gp.
1999 2000-05-16 Richard Henderson <rth@cygnus.com>
2001 * flow.c (commit_one_edge_insertion): Be prepared for a return
2002 insn to be inserted on the edge with a normal jump.
2003 * jump.c (jump_optimize_1): Don't look to create return isns.
2005 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
2006 * jump.c (jump_optimize_1): Likewise.
2007 (returnjump_p): Verify the argument is a JUMP_INSN.
2008 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
2010 2000-05-16 Nick Clifton <nickc@cygnus.com>
2012 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
2013 GET_RTX_CLASS (GET_CODE ()) == 'i'.
2014 (large_insn_p): Ditto.
2015 (m32r_is_insn): New function: Return true if the insn contains
2016 an executable instruction.
2017 (m32r_adjust_insn): Use m32r_is_insn.
2018 (m32r_sched_reorder): Use m32r_is_insn.
2019 (m32r_sched_variable_issue): Use m32r_is_insn.
2021 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2023 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
2026 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
2028 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
2029 according to given options.
2031 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
2033 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
2034 if X has VOIDmode either.
2035 (LIMIT_RELOAD_CLASS): Similarly.
2037 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
2038 not "general_operand" to match the processor's capabilities.
2040 2000-05-16 Bruce Korb <bkorb@gnu.org>
2042 * fixinc/README: corrected return address
2043 * fixinc/check.diff: regenerate, now that test works
2044 * fixinc/fixfixes.c(format_fix,format_write): reformatted
2045 (char_macro_def_fix,char_macro_use_fix): corrected and
2046 rewrote to use regex to parse the text
2047 * fixinc/inclhack.def: more testing
2048 * fixinc/fixincl.x: regenerated
2050 * fixinc/inclhack.def: added several "test_text" attributes
2051 changed several fixes to use `c_fix = format'
2052 re-alphabetized the fixes
2054 * fixinc/check.diff: regenerate
2055 * fixinc/fixincl.x: regenerate
2056 * fixinc/check.tpl: added `sparc' and `netinet' to the list
2060 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
2062 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
2064 2000-05-15 Richard Henderson <rth@cygnus.com>
2066 * toplev.c (rest_of_compilation): Run full jump pass before
2067 find_basic_blocks of flow2.
2069 2000-05-15 Richard Henderson <rth@cygnus.com>
2071 * jump.c: Fix typos and clarify commentary from last change.
2072 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
2073 (safe_to_remove_jump_p): Remove.
2074 (condjump_label): Use pc_set.
2076 2000-05-15 Richard Henderson <rth@cygnus.com>
2078 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
2079 that get in the way after reload.
2080 (cond_exec_process_if_block): Skip a label heading THEN block.
2082 2000-05-15 Richard Henderson <rth@cygnus.com>
2084 * varasm.c (output_constant_pool): Abort instead of converting
2085 (improperly) deleted labels to zero.
2087 2000-05-16 Neil Booth <NeilB@earthling.net>
2089 * cpplex.c (parse_string2): Update comment.
2090 (cpp_lex_line): No special assertion treatment for '('.
2091 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
2092 * cpplib.h (SYNTAX_ASSERT): Remove.
2094 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
2096 * jump.c (condjump_p): Mark as depreached.
2097 (any_condump_p): New.
2098 (any_uncondump_p): New.
2100 (safe_to_remove_jump_p): New.
2101 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
2102 safe_to_remove_jump_p): Declare.
2104 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
2106 * calls.c: Re-install both patches reverted by last patch.
2107 (struct arg_data): New field tail_call_reg.
2108 (initialize_argument_information): Initialize tail_call_reg
2109 (load_register_parameters): New argument flags, use
2110 tail_call_reg when emiting tail call sequence.
2111 (expand_call): Update call of load_register_parameters;
2112 copy unadjusted_args_size to adjusted_args_size.
2114 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
2116 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
2117 and bct_p parameters to flags.
2118 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
2119 * rtl.h (loop_optimize): Update prototype.
2120 * toplev.c (rest_of_compilation): Update call of loop_optimize.
2122 2000-05-15 Jakub Jelinek <jakub@redhat.com>
2124 * calls.c (expand_call): Move expand_start_target_temps call after
2127 2000-05-15 Neil Booth <NeilB@earthling.net>
2129 * cpphash.c (trad_stringify, warn_trad_stringify,
2130 collect_params): Make some pointers pointers to const.
2131 * cpplex.c (auto_expand_name_space) Guaranteed to always
2132 expand by at least one character.
2133 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
2134 (struct token_spelling): Use const U_CHAR * rather than PTR.
2135 (expand_name_space): Fix up token pointers if name space
2136 is moved when expanding.
2137 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
2138 parse_string2, save_comment, spell_token, cpp_output_list):
2139 Update so the routines handle tokens with a direct pointer to
2140 their text, rather than an offset into the token's list's namebuf.
2141 (_cpp_lex_line): Rearrange for clarity.
2143 * cpplib.c (_cpp_check_directive): Similarly.
2144 (do_define): Make SYM a pointer to const.
2145 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
2146 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
2147 (TOK_OFFSET): Delete.
2150 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
2152 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
2155 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
2157 (logical_u_operand): Delete.
2158 (non_logical_cint_operand): Rewrite to take MODE into account.
2159 (non_logical_u_cint_operand): Delete.
2160 (boolean_operator): New function.
2161 (print_operand): Add new %q operand.
2162 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
2163 remove logical_u_operand and non_logical_u_cint_operand,
2164 update logical_operand and non_logical_cint_operand.
2165 * config/rs6000/rs6000.md: Rewrite the patterns for performing
2166 logical operations to use %q.
2168 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
2169 (movdi): Make similar to movsi.
2170 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
2171 is no such thing as a DImode CONST_DOUBLE.
2172 * config/rs6000/rs6000.c (output_toc): Likewise.
2174 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
2175 codes when old mnemonics are in use. Print register names
2176 for cc registers when requested.
2178 * optabs.c (expand_float): Don't allow mode widening that causes
2181 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
2182 flags to their current names -maix64 and -maix32.
2184 2000-05-14 Bruce Korb <bkorb@gnu.org>
2186 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
2187 and/or after current text of file
2188 * fixinc/fixlib.c(must_malloc):
2189 * fixinc/fixlib.h(must_malloc): + reformatting
2190 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
2191 with usages of ``c_fix = wrap;''
2192 Add several tests and use the ``c_fix = format'' fixer more.
2193 * fixinc/fixincl.x: regen
2194 * fixinc/check.diff: regen
2195 * fixinc/check.tpl: emit the associated header with the missing
2198 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
2200 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
2201 variables $src and $dst.
2203 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
2205 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
2206 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
2207 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
2208 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
2210 (set_message_prefixing_rule): Declare.
2212 * diagnostic.c: (current_prefixing_rule): New variable.
2213 (set_message_prefixing_rule): Define.
2214 (output_set_prefix): Adjust buffer->emitted_prefix_p.
2215 (init_output_buffer): Adjust Initialization.
2216 (output_emit_prefix): Rewrite. Take prefixing rules into account.
2218 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
2220 * ifcvt.c (if_convert): Do not free NULL.
2222 2000-05-12 Nick Clifton <nickc@cygnus.com>
2224 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
2225 to move a double word value.
2226 (di_operand): New function: Return true if the operand is suitbale
2227 for a double word move operation.
2228 (nonimmediate_di_operand): New function: Return true if the
2229 operand is a DImode register or MEM.
2231 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
2232 nonimmediate_di_operand.
2234 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
2235 nonimmediate_di_operand.
2237 * config/fr30/fr30.md (movdi): New pattern. Required because
2238 other patterns generate DImode results.
2239 (movdi_insn): New pattern.
2241 2000-05-12 Richard Henderson <rth@cygnus.com>
2243 * config/alpha/alpha.c (struct shadow_summary): Define
2244 bitfields as type unsigned int.
2246 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
2248 * config/avr/t-avr: Added definition of FLOAT while generates
2251 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
2252 peepholes for tst+jump = sbrs/sbrc optimization.
2254 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
2256 * expr.c (emit_push_insn): Do not adjust stack pointer when
2259 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
2261 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
2262 * system.h (offsetof): ... to here.
2264 2000-05-12 Richard Henderson <rth@cygnus.com>
2266 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
2267 * final.c (final_end_function): Use app_disable. Rearrange note
2268 handling into a switch. Emit deleted labels.
2269 (output_asm_label): Generate label strings for deleted labels.
2270 * flow.c (tail_recursion_label_list): New.
2271 (find_basic_blocks_1): Set label_value_list directly. Collect list
2272 of tail recursion labels from call_placeholders. Don't add deleted
2273 labels to the label value list.
2274 (cleanup_cfg): Use free_EXPR_LIST_list.
2275 (flow_delete_insn_chain): Turn non-removable labels into notes.
2276 (flow_delete_block): Don't disable deleting the block because of
2277 a non-removable label.
2278 (tail_recursion_label_p): New.
2279 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
2281 (merge_blocks_move_successor_nojumps): Likewise. Also move a
2283 (merge_blocks): Disable a merge because of tail recursion labels.
2284 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
2285 Use a more accurate measure of not merging the join block.
2286 (find_if_block): Don't disable conversion because of a label.
2287 (find_if_case_1, find_if_case_2): Likewise.
2288 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
2289 element when copying.
2290 (squeeze_notes): Also leave EH notes.
2291 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
2293 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
2295 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
2296 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
2297 referring to a deleted label. Convert tail handling to a switch.
2298 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
2299 for NOTE_INSN_DELETED_LABEL.
2300 (NOTE): Fix commentary.
2301 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
2302 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
2303 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
2304 (LABEL_NUSES, LABEL_REFS): Likewise.
2305 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
2307 2000-05-12 Bruce Korb <bkorb@gnu.org>
2309 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
2310 * fixinc/check.diff: updated
2311 * fixinc/inclhack.def: corrected & added some test_text-s
2312 * fixinc/genfixes: removed unneeded options to autogen invocation
2313 * fixinc/fixincl.tpl: Specified the output file
2314 * fixinc/fixfixes.c: visual appearance
2315 * fixinc/fixincl.x: regenerate
2317 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
2319 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
2320 CTRL_defn_fix): Delete.
2321 (fix_char_macro_defines, fix_char_macro_uses): Rename to
2322 char_macro_def_fix and char_macro_use_fix, respectively. Put
2323 them into the FIXUP_TABLE. Get the string to search for from
2326 (format_write): New function.
2327 (format_fix): Use it.
2329 (FIX_PROC_HEAD): Constify text parameter.
2330 (machine_name_fix): Constify all char *s.
2331 * fixtests.c (skip_quote): Remove double static.
2333 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
2334 ctrl_use_quotes): Update for new scheme.
2335 * fixincl.x: Regenerate.
2337 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
2339 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
2341 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
2342 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
2344 2000-05-11 Robert Lipe <robertlipe@usa.net>
2346 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
2347 * fixincl.x: Regenerate.
2349 2000-05-11 Richard Henderson <rth@cygnus.com>
2351 * calls.c: Revert both 05-09 patches.
2353 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
2355 * config/mn10300/mn10300.c (print_operand): Print FP constants in
2357 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
2360 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
2361 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
2363 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
2365 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
2367 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2369 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
2371 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
2373 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
2374 * config/avr/avr.c (jump_over_one_insn_p): New function.
2375 * config/avr/avr.md: New peepholes added. Output test and
2376 conditional jump to "sbrc" or "sbrs" command.
2378 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
2380 * cppmain.c (main): Use IS_DIR_SEPARATOR.
2382 2000-05-11 Jakub Jelinek <jakub@redhat.com>
2384 * except.c (find_exception_handler_labels_1): New function.
2385 (find_exception_handler_labels): Split into two functions, dive
2386 into CALL_PLACEHOLDERs when looking for exception handler labels.
2388 2000-05-11 Stan Cox <scox@cygnus.com>
2390 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
2391 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
2392 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
2394 2000-05-11 Bruce Korb <bkorb@gnu.org>
2396 * fixinc/fixfixes.c (double_slash_fix): obsolete
2397 (else_endif_label_fix): obsolete
2398 (format_fix): new, unused as yet
2400 * fixinc/fixlib.h: added fix description struct for use by format_fix
2401 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
2402 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
2403 modules. Removed the vestiges of the script version.
2404 Added support for "make check".
2405 * fixinc/check.diff: base diff file (needs work!!)
2406 * fixinc/check.tpl: quiet the fixup output
2407 * fixinc/fixtests.c (main): obsolete
2408 * fixinc/fixincl.sh: don't bother copying fixincl to ..
2409 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
2411 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
2413 * toplev.c (rest_of_compilation): Remove dead code after
2416 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
2418 * cpphash.c (collect_funlike_expansion): Make "# is not
2419 followed by a macro argument name" a pedwarn, not an error.
2420 Preserve the # in the output. Suppress the warning if lang_asm.
2422 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
2424 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
2425 * configure: Rebuilt.
2427 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
2429 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
2431 2000-05-10 Kazu Hirata <kazu@hxi.com>
2433 * combine.c (try_combine): Fix a typo.
2435 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
2437 * config/ia64/ia64.md (insv): Add comment.
2439 2000-05-10 Richard Henderson <rth@cygnus.com>
2441 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
2442 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
2443 dependancies on FPBIT and DPBIT.
2445 2000-05-10 Nick Clifton <nickc@redhat.com>
2447 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
2448 when optimising for size.
2449 (mark_used_regs:) Ditto.
2450 (try_pre_increment_1): Ditto.
2452 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
2454 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
2455 Make error message friendlier.
2457 * cpphash.h (struct hashnode): Use struct hack for name
2459 * cpphash.c (struct hashdummy): New.
2460 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
2461 (make_HASHNODE): No need to set ->name pointer. Correct
2463 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
2465 2000-05-10 Richard Henderson <rth@cygnus.com>
2467 * flow.c (find_basic_blocks_1): Remove any spare bb_note
2470 2000-05-10 Bruce Korb <bkorb@gnu.org>
2472 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
2474 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
2476 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
2477 after we enter .debug.
2479 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
2481 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
2482 abstract instance of a nested inline function.
2484 * stor-layout.c (finish_record_layout): finalize_type_size
2485 before laying out the pending_statics.
2487 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
2489 * cpplex.c (spell_token): New function.
2490 (spell_string, spell_comment, spell_name): fold into
2493 (E, H): Remove macros.
2494 (save_comment): Save comment opening characters too.
2495 (_cpp_lex_file): Update to use spell_token. Tidy up comment
2497 * cpplib.h (I, S): Add macros.
2498 (E, H): Remove macros.
2499 (TTYPE_TABLE): Update entries for new speller.
2500 (SYNTAX_ASSERT): Remove.
2502 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
2504 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
2505 when removing escaped newlines. Reverse sense of test for
2508 2000-05-09 Richard Henderson <rth@cygnus.com>
2510 * flow.c (find_basic_blocks_1): Do not delete the first
2511 bb_note we run across.
2512 (create_basic_block): Use reorder_insns to move an existing
2513 bb_note to the correct place.
2515 2000-05-09 Richard Henderson <rth@cygnus.com>
2517 * calls.c (expand_call): Increment currently_expanding_call
2518 before calling optimize_tail_recursion.
2520 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2522 * reload1.c (reload_combine): Fix errors in last change.
2524 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
2526 * gcc.c (used_arg): Skip over a semicolon at the end of the
2527 split-up loop; don't break out of it.
2529 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
2530 (tree.o): Depend on output.h.
2532 * c-decl.c (pending_invalid_xref_file,
2533 current_function_prototype_file): Constify.
2534 (pushdecl): Constify a local char *.
2535 (define_label): Constify filename parameter.
2536 * c-lex.c (init_parse): Constify parameter and return value.
2537 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
2538 * c-tree.h: Update prototypes.
2539 * c-parse.in: Constify filename member of %union, and if_stmt_file.
2540 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
2541 objc/objc-parse.c: Regenerate.
2543 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
2544 * dwarfout.h: Update prototypes.
2545 * expr.c (expand_expr): Constify a local char *.
2546 * flags.h: Constify main_input_filename.
2547 * function.c (expand_function_end): Constify filename parameter.
2548 * genrecog.c (make_insn_sequence): Use a character array for
2550 (main): Remove unused variables.
2551 * input.h: Constify input_filename, main_input_filename, and
2552 file_stack.name. Update prototypes.
2553 * output.h: Declare first_global_object_name and
2554 weak_global_object_name here, as const char *.
2555 * stmt.c (expand_asm_operands): Constify filename parameter.
2556 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
2557 Constify filename parameter.
2558 (input_filename, main_input_filename): Constify.
2559 * toplev.h: Update prototypes.
2560 * tree.c: Include output.h. Don't declare
2561 first_global_object_name or weak_global_object_name. Clean up string
2562 bashing in get_file_function_name_long.
2563 * tree.h (struct tree_decl): Constify filename member.
2564 (input_filename): Constify.
2566 * varasm.c (first_global_object_name, weak_global_object_name):
2568 (assemble_start_function, assemble_variable): Clean up string bashing.
2570 * gcc.c: Constify all spec-related strings initialized,
2571 transitively, from string constants. Constify all strings
2572 and string variables related to multilibs.
2573 (set_spec, read_specs): Cast argument to free to PTR.
2574 (used_arg): Do not modify multilib_matches. Use strncmp plus
2575 length comparison to compare multilib switches.
2576 * genmultilib: Constify everything declared in multilib.h.
2578 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
2580 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
2583 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
2585 * config/avr/avr-protos.h (extra_constraint): change a type of
2586 second argument from char to int to avoid warnings.
2587 (asm_output_byte): Likewise.
2589 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
2590 (initial_elimination_offset): Handle elimination from
2591 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
2592 (legitimate_address_p): Use MAX_LD_OFFSET.
2593 (legitimize_address): Likewise.
2594 (out_movqi_r_mr): Likewise.
2595 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
2596 (out_movsi_r_mr): Use MAX_LD_OFFSET.
2597 (out_movsi_mr_r): Likewise.
2598 (out_movqi_mr_r): Likewise.
2599 (out_movhi_mr_r): Likewise.
2600 (notice_update_cc): Correct CC for the ashrqi3 with the shift
2601 count as CONST_INT != 6.
2602 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
2603 shift count is a CONSTANT_P, but not a CONST_INT.
2604 (ashlhi3_out): Coding style modifications.
2605 (ashlsi3_out): Likewise.
2606 (ashrhi3_out): Likewise.
2607 (ashrsi3_out): Likewise.
2608 (lshrhi3_out): Likewise.
2609 (lshrsi3_out): Likewise.
2610 (ashrqi3_out): Generate shift for any known constant count without
2611 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
2612 but not a CONST_INT.
2613 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
2614 shift count is a CONSTANT_P, but not a CONST_INT.
2615 (extra_constraint): change a type of
2616 second argument from char to int to avoid warnings.
2617 (asm_output_byte): Likewise.
2618 (asm_file_end): Output size generated commands count as a hex
2621 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
2623 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
2625 (ashlqi3): Values of "length" attribute changed. Shift count
2626 uses constraints 'n' instead of 'i'.
2627 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
2628 shifts without clobber register.
2629 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
2630 (call_insn): Correct test for which_alternative == 1 (was 0).
2631 (call_value_insn): Likewise.
2633 * config/avr/t-avr: Remove definition of FLOAT while generates
2636 2000-05-09 Bruce Korb <bkorb@gnu.org>
2638 * fixinc/check.tpl: Template for checking fixes
2639 * fixinc/inclhack.def: Added 'test_text' for many fixes
2640 disable hpux8_bogus_inlines on SCO
2641 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
2643 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
2645 * calls.c (expand_call): Reorganize somewhat in order
2646 to avoid unnecesary recalculation inside loop and make
2647 tail call failure code cleaner.
2649 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2651 * alias.c (nonlocal_reference_p): Minor reformatting.
2652 * reload.c (find_equiv_reg): Simplify logic for
2653 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
2654 some some reformatting.
2655 * reload1.c (reload_combine): Don't assume everything in
2656 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
2658 2000-05-08 Richard Henderson <rth@cygnus.com>
2660 * final.c (current_insn_predicate): New.
2661 (final_scan_insn): Set it.
2662 * output.h (current_insn_predicate): Declare.
2664 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
2665 Attach it to call insns.
2666 (cond_exec_process_if_block): Track probability for true and
2668 (dead_or_predicable): Likewise.
2670 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
2671 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
2672 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
2673 (estimate_probability, expected_value_to_br_prob): Use them.
2675 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
2676 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
2677 (ia64_expand_prediction): New.
2678 (emit_insn_group_barriers): Don't look at notes. Emit barriers
2679 as needed after calls.
2680 (ia64_epilogue_uses): Mark b0 used.
2681 * config/ia64/ia64.md (beq_true, beq_false): Remove.
2682 (bne_true, bne_false): Remove.
2683 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
2684 (br_true, br_false): New. Use predicate_operator and
2685 ia64_expand_prediction.
2686 (return_true, return_false): Likewise.
2687 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
2688 (call_internal1, call_value_internal): Likewise.
2689 (call_value_internal1, call_multiple_values_internal1): Likewise.
2691 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
2693 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
2695 2000-05-08 Richard Henderson <rth@cygnus.com>
2697 * rtlanal.c (may_trap_p): Consider old-style and volatile
2700 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
2702 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
2704 2000-05-08 Richard Henderson <rth@cygnus.com>
2706 * config/ia64/ia64.h (predicate_operator): Declare.
2708 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
2711 * gensupport.c (process_rtx): Copy and post-process each member
2712 of the define_insn rtvec individually.
2714 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
2716 * cpplex.c (spell_token): New function.
2717 (TOKEN_LEN): Add 1 for whitespace.
2718 (_cpp_lex_file): Update to use spell_token.
2719 * cpplib.h (E): Remove.
2720 (TTYPE_TABLE): Update CPP_VSPACE entry.
2722 2000-05-08 Richard Henderson <rth@cygnus.com>
2724 * flow.c (init_propagate_block_info): Watch out for conditional
2725 branch to next instruction, and thus one outgoing edge.
2727 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
2728 for global register variables; don't special case __[CD]TOR_LIST__;
2729 mind ggc_p for string allocation.
2731 2000-05-08 Nick Clifton <nickc@cygnus.com>
2733 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
2735 2000-05-08 Bruce Korb <bkorb@gnu.org>
2737 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
2738 i?86-*-msdosdjgpp* no longer uses fixincludes
2739 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
2740 * fixinc/inclhack.sh: deleted
2741 * fixinc/hackshell.tpl: deleted
2742 * fixinc/inclhack.tpl: deleted
2743 * fixinc/Makefile.in: Remove dependencies on above
2744 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
2746 2000-05-08 Andreas Jaeger <aj@suse.de>
2748 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
2751 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
2753 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
2756 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
2758 * cpplex.c: Move new lexer definitions and prototypes
2759 to top. Conditional include these and the code if
2760 NEW_LEXER is defined. Rename functions whose names
2761 clash if this code included.
2763 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
2765 * rtl.def (COND_EXEC): Clarify.
2767 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
2768 same fashion as zero_extendsidi2.
2770 2000-05-06 Richard Henderson <rth@cygnus.com>
2772 * config/ia64/ia64.c (predicate_operator): New.
2773 (ia64_print_operand): Handle 'J'.
2774 (rtx_needs_barrier): Handle COND_EXEC.
2775 * config/ia64/ia64.h (BRANCH_COST): Define.
2776 (PREDICATE_CODES): Update.
2777 * config/ia64/ia64.md: Docuement used unspec values.
2778 (attr predicable): New.
2779 (movxf, movxf_internal): New.
2780 (extendsfdf2): Don't comment out nop.
2781 (floatdidf2): Remove.
2782 (truncxfsf2, truncxfdf2, floatdixf2): New.
2783 (abssi2, absdi2): Put the neg in the "true" slot.
2784 (conditional branch instructions): Mark not predicable.
2785 (cmov*_internal): Use predicate_operator. Split to cond_exec.
2786 (abs*_internal): Likewise.
2787 (alloc, set_bsp): Mark not predicable.
2788 (barrier, insn_group_barrier, flush_cache): Likewise.
2789 (define_cond_exec): New.
2791 2000-05-06 Richard Henderson <rth@cygnus.com>
2793 * c-decl.c: Include "tm_p.h".
2795 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
2796 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
2797 (ia64_expand_op_and_fetch): Declare.
2798 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
2799 (setjmp_operand): Constify variables for XSTR.
2800 (ia64_encode_section_info): Likewise.
2801 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
2803 (ia64_asm_output_external): Constify name.
2804 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
2805 (process_for_unwind_directive): Provide switch default.
2806 (ia64_expand_compare_and_swap): Remove unused variables.
2807 (ia64_expand_builtin): Likewise.
2808 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
2811 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
2812 (symbolic_operand, function_operand, setjmp_operand): Likewise.
2813 (shift_count_operand, shift_32bit_count_operand): Likewise.
2814 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
2815 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
2816 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
2817 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
2818 (ia64_expand_builtin): Likewise.
2819 (call_multiple_values_operation): Make dest_regno unsigned.
2821 2000-05-06 Richard Henderson <rth@cygnus.com>
2823 * rtl.def (DEFINE_COND_EXEC): New.
2824 * md.texi: Document it.
2826 * gensupport.c (input_file): Remove.
2827 (struct queue_elem): Add lineno.
2828 (rtx_ready_queue): Remove.
2830 (predicable_default): New.
2831 (predicable_true, predicable_false): New.
2832 (define_attr_queue, define_attr_tail): New.
2833 (define_insn_queue, define_insn_tail): New.
2834 (define_cond_exec_queue, define_cond_exec_tail): New.
2835 (other_queue, other_tail): New.
2836 (queue_pattern): New.
2837 (process_rtx): Add patterns to the appropriate queues.
2838 (is_predicable, identify_predicable_attribute): New.
2839 (n_alternatives, collect_insn_data): New.
2840 (alter_predicate_for_insn, alter_test_for_insn): New.
2841 (shift_output_template, alter_output_for_insn): New.
2842 (process_one_cond_exec, process_define_cond_exec): New.
2843 (init_md_reader): Read the entire file. Process define_cond_exec.
2844 (read_md_rtx): Return elements from the queues.
2846 2000-05-06 Richard Henderson <rth@cygnus.com>
2848 * flow.c (mark_set_1): Don't update conditional life info
2849 if the register is not_dead.
2851 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2853 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
2854 (mostlyclean): Also delete fixincl, fixinc.sh, and
2855 specs.ready, and make clean in the fixinc subdir.
2857 2000-05-06 Richard Henderson <rth@cygnus.com>
2859 * Makefile.in (gensupport.o): Compile for the host.
2860 (host-prefix gensuuprt.o): Remove.
2861 (genflags.o): Depend on gensupport.h and OBSTACK_H.
2862 (genattrtab.o): Likewise.
2863 (gencodes.o): Depend on gensupport.h.
2864 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
2865 (genpeep.o, genattr.o, genoutput.o): Likewise.
2867 * gensupport.c (obstack, rtl_obstack): New.
2868 (init_md_reader): Initialize rtl_obstack.
2869 * gensupport.h (rtl_obstack): Declare.
2870 (message_with_line): Declare.
2872 * genattr.c: Remove all traces of obstack manipulation.
2873 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
2874 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
2876 * genattrtab.c (obstack, rtl_obstack): Remove.
2877 (main): Don't init rtl_obstack.
2878 * genflags.c: Likewise.
2880 * genrecog.c (message_with_line): Move ...
2881 * gensupport.c: ... here.
2883 2000-05-06 Richard Henderson <rth@cygnus.com>
2885 * c-typeck.c (build_c_cast): Remove dead code.
2887 2000-05-06 Richard Henderson <rth@cygnus.com>
2889 * flow.c (split_edge): Don't allocate global_live_at_start for
2890 the new block unless the old blocks had them as well.
2892 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
2894 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
2895 test_bb if a or b uses x.
2897 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
2899 * cpphash.h: Remove conditional #define of __extension__.
2900 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
2901 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
2902 (ENABLE_RTL_CHECKING only).
2903 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
2904 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
2905 (ENABLE_TREE_CHECKING only).
2906 * varray.h: Add __extension__ to VARRAY_CHECK macro
2907 (ENABLE_CHECKING only).
2909 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2911 Use new tail-calling mechanism on ARM.
2912 * arm.md (sibcall, sibcall_value): New expands.
2913 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
2914 (tailcalling peepholes): Delete.
2915 (push_multi): Simplify.
2916 * arm.c (lr_save_eliminated): Delete definition.
2917 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
2918 (output_return_instruction): Remove checks on lr_save_eliminated.
2919 (output_arm_prologue): Remove old tail-calling code.
2920 (arm_output_epilogue): New parameter, really_return. All callers
2921 changed. Handle tail-calling epilogues.
2922 * arm.h (lr_save_eliminated): Delete declaration.
2923 (frame_pointer_needed): Delete declaration.
2924 * arm-protos.h (arm_output_epilogue): Adjust prototype.
2926 * arm.md (is_thumb): Examine symbol thumb_code, not expression
2928 * arm.c (thumb_code): Define it.
2929 (arm_override_options): Set it.
2930 * arm.h (thumb_code): Declare it.
2932 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2934 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
2936 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
2938 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
2939 bogus clobber to insns.
2940 (load_multiple_operation, store_mulitple_operation): Don't check
2942 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
2944 * arm.md (and_scc, ior_scc): Add missing mode.
2946 * arm.md (call_value_symbol): Remove predicate from op2.
2948 * arm.h (SPECIAL_MODE_PREDICATES): Define.
2950 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2952 * expr.c (get_subtarget): New function.
2953 (force_operand, expand_expr, do_store_flag): Use it.
2955 * toplev.c (compile_file): Don't take strlen of NAME if null.
2957 2000-05-06 David Edelsohn <edelsohn@gnu.org>
2959 * xcoffout.c (xcoff_current_include_file,
2960 xcoff_current_function_file, xcoff_lastfile): Constify char *.
2961 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
2963 (xcoffout_declare_function): Make name 'const char *'.
2964 (xcoffout_end_epilogue): Make fname 'const char *'
2965 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
2966 xcoffout_declare_function, xcoffout_source_line): Match above.
2968 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
2970 * rs6000.c (print_operand): Fix lossage typo.
2971 (output_cbranch): Remove "cr" decoration for now.
2972 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
2974 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
2976 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
2979 2000-05-05 Bruce Korb <bkorb@gnu.org>
2981 * fixinc/genfixes: Improve the matching for make target names
2983 2000-05-05 Catherine Moore <clm@cygnus.com>
2985 * c-common.c (decl_attributes): For TYPE_DECLs attach the
2986 attribute to the decl.
2987 * c-decl.c (pushdecl): Propagate the USED attribute to the
2990 2000-05-05 Richard Henderson <rth@cygnus.com>
2992 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
2993 same way emit_group_load does.
2995 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
2997 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
2999 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
3002 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
3004 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
3006 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
3008 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
3009 to support -shared, on platforms with dynamic libraries.
3011 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
3013 * system.h (S_ISBLK): Provide fallback definition.
3015 2000-05-05 Geoff Berry <geoffb@bops.com>
3017 * extend.texi (Extended Asm): Document inability to give asm
3018 statements access to condition codes.
3020 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
3022 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
3023 as arg 2 of UNIQUE_SECTION.
3025 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
3027 * predict.c: Remove May 4 change.
3028 * bb-reorder.c (make_reorder_chain): Do not perform block movement
3029 if we have predicted the branch at 50-50 probability.
3031 2000-05-05 Richard Henderson <rth@cygnus.com>
3033 * flow.c (init_propagate_block_info): Fix merge error
3034 in HAVE_conditional_execution code.
3036 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
3038 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
3039 shift cycle for unknown shift count. Also generates dec + brpl.
3040 (ashlqi3_out): Don't generate dec + brpl which now generates by
3041 `out_shift_with_cnt'.
3042 (ashlhi3_out): Likewise.
3043 (ashlsi3_out): Likewise.
3044 (ashrqi3_out): Likewise.
3045 (ashrhi3_out): Likewise.
3046 (ashrsi3_out): Likewise.
3047 (lshrqi3_out): Likewise.
3048 (lshrhi3_out): Likewise.
3049 (lshrsi3_out): Likewise.
3051 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
3053 * gcc.c (free_split_directories): Correct typo in explanation
3054 of make_relative_prefix.
3056 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3058 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
3059 comparison codes to branch_comparison_operator.
3061 2000-05-04 Richard Henderson <rth@cygnus.com>
3063 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
3065 2000-05-04 Richard Henderson <rth@cygnus.com>
3067 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
3068 (DPBIT_FUNCS): Remove _sf_to_usi.
3069 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
3071 * ifcvt.c (noce_process_if_block): Fail if A or B modified
3072 between condition and jump.
3074 * libgcc2.c (near eh_context_specific): Comment #endif string.
3075 * longlong.h: Don't use strings with embedded newlines.
3077 2000-05-04 Geoff Keating <geoffk@cygnus.com>
3079 * config/rs6000/rs6000-protos.h: Add output_cbranch.
3080 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
3081 (print_operand): Delete %t and %T codes.
3082 (output_cbranch): New function. Support branch prediction.
3083 * config/rs6000/rs6000.md: Use output_cbranch for
3084 conditional branches and returns.
3086 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
3088 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
3089 * stor-layout.c (place_field): Likewise.
3090 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
3091 * expr.c (store_expr): Make align unsigned.
3092 * explow.c (plus_constant_wide): Make low words unsigned.
3093 * expmed.c (choose_multiplier): Likewise.
3094 * fold-const.c (fold): Likewise.
3095 * tree.h (build_int_2): Likewise.
3096 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
3097 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
3098 (init_emit): Change cast to unsigned char*.
3099 * varasm.c (compare_constant_1): Add cast to char*.
3100 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
3101 * reload1.c (reload): Likewise.
3103 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
3105 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
3107 * predict.c (estimate_probability): If no prediction was found, then
3108 predict the successor that is the next physical block (if such a
3111 2000-05-04 Richard Henderson <rth@cygnus.com>
3113 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
3115 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3117 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
3119 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
3121 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
3122 attribute macros from here ...
3123 (CPP_SPEC): to here.
3124 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
3125 (CPP_SPEC): Likewise.
3126 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
3128 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
3129 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
3131 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3133 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
3135 * diagnostic (vbuild_message_string, build_message_string,
3136 build_location_prefix, output_get_prefix, init_output_buffer,
3137 output_notice, vline_wrapper_message_with_location,
3138 v_message_with_decl, default_print_error_function): De-constify.
3139 (set_real_maximum_length): Prototype.
3141 * diagnostic.h (struct output_buffer, init_output_buffer,
3142 output_get_prefix, output_set_prefix): De-constify.
3144 * function.c (init_function_start): Constify.
3146 * gensupport.c (remove_constraints, process_rtx): Prototype.
3148 * gthr-posix.h: Indent uses of #pragma.
3150 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
3153 * predict.c (find_expected_value): Delete prototype.
3154 (expected_value_to_br_prob): Initialize variable `ev_reg'.
3156 * sbitmap.h (debug_sbitmap): Prototype.
3158 * ssa.c (compute_coalesced_reg_partition): Prototype.
3160 * stor-layout.c (debug_rli): Prototype.
3162 * tree.h (round_down): Prototype.
3163 (init_function_start): Constify.
3165 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
3167 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
3168 (overly conservative). Change extern inline wrappers to
3169 static inline, define them always, use PARAMS properly.
3170 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
3171 whitespace warnings for \f and \v at the beginning of a line.
3173 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
3175 * haifa-sched.c (schedule_insns): Free the flow edge list when it
3178 2000-05-04 Bruce Korb <bkorb@gnu.org>
3180 * fixincl/inclhack.def: added broken_cabs -
3181 Remove `extern double cabs' declarations from math.h
3182 * fixincl/inclhack.sh: regen
3183 * fixincl/fixincl.x: regen
3184 * fixincl/fixincl.c: Remove BOGOSITY code
3185 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
3187 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3189 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
3191 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
3192 when calling MEM_COPY_ATTRIBUTES.
3193 * emit-rtl.c (operand_subword, change_address): Likewise.
3194 * explow.c (stabilize): Likewise.
3195 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
3196 * integrate.c (copy_rtx_and_substitute): Likewise.
3197 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
3198 when calling MEM_COPY_ATTRIBUTES.
3199 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
3201 * cse.c (gen_lowpart_if_possible): Likewise.
3202 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
3203 * optabs.c (gen_move_insn): Likewise.
3204 * recog.c (validate_replace_rtx_1): Likewise.
3205 * simplify-rtx.c (add_mem_for_addr): Likewise.
3206 * stmt.c (expand_anon_union_decl): Likewise.
3207 * config/arm/arm.md: Likewise.
3208 * config/h8300/h7300.c (fix_bit_operand): Likewise.
3209 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
3210 (block_move_no_loop, block_move_sequence): Likewise.
3211 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
3212 * config/alpha/alpha.c (get_aligned_mem): Likewise.
3213 Clear MEM_ALIAS_SET.
3214 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
3215 MEM_COPY_ATTRIBUTES.
3217 2000-05-03 Robert Lipe <robertlipe@usa.net>
3219 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
3220 to suppress libgcc1.
3221 (i[34567]86-*-sco3.2v5*) Likewise.
3222 (i[34567]86-*-sco3.2v4*) Likewise.
3223 (i[34567]86-*-sco) Likewise.
3224 (i[34567]86-*-solaris2) Likewise.
3225 (i[34567]86-*-sysv5*) Likewise.
3226 (i[34567]86-*-sysv4*) Likewise.
3227 (i[34567]86-*-udk*) Likewise.
3228 (i[34567]86-*-sysv*) Likewise.
3230 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3232 * cpphash.h (U): New define, to correct type of string constants.
3233 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
3234 routines, to do casts when passing unsigned strings to libc.
3235 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
3237 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
3238 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
3239 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
3240 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
3241 second argument an U_CHAR *.
3243 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
3244 length field, clean up initializer.
3245 (ISTABLE): Add __extension__ to designated-
3246 initializers version.
3247 * cpplex.c (CHARTAB): Likewise.
3249 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
3250 case so the file won't be empty.
3252 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
3254 * bb-reorder.c (struct reorder_block_def): Member succ removed.
3255 (REORDER_BLOCK_SUCC): Removed.
3256 (enum reorder_skip_type): Removed.
3257 (skip_insns_between_block): Renamed to skip_insns_after_block.
3258 Removed second argument. Removed dead code and cleaned up.
3259 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
3260 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
3261 second parameter to skip_insns_after_block.
3263 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3265 * tree.c (staticp, case LABEL_DECL): New case.
3267 2000-05-03 Richard Henderson <rth@cygnus.com>
3269 * Makefile.in (start.encap): Do not depend on LIBGCC1.
3271 * mklibgcc1.in: Fix typo last change.
3273 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3275 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
3276 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
3277 (GCC_CFLAGS): Use it.
3278 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
3279 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
3280 objc/Make-lang.in: Use it.
3282 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
3284 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
3286 2000-05-03 Richard Henderson <rth@cygnus.com>
3288 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
3289 LIBGCC1 empty with libgcc1.null.
3291 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
3293 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
3296 2000-05-03 Greg McGary <gkm@gnu.org>
3298 * tree.h (tree_common): Add bounded_flag member. Remove
3299 inaccurate comment about number of remaining bits.
3300 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
3301 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
3302 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
3303 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
3304 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
3305 (TYPE_QUAL_BOUNDED): New constant.
3306 (TYPE_QUALS): Handle bounded qualifier.
3307 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
3308 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
3309 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
3310 TYPE_AMBIENT_BOUNDEDNESS): New macros.
3311 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
3312 (tree_type): Add pointer_depth member. Remove
3313 inaccurate comment about number of remaining bits.
3314 (DECL_POINTER_DEPTH): Add macro.
3315 (tree_decl): Add pointer_depth member.
3317 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
3319 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
3320 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
3321 (lshrhi3_out): Likewise.
3322 (ashrsi3_out): bugfix in shift by 8.
3323 (test_hard_reg_class): New function.
3324 * config/avr/avr.md: Bugfix inside conditions in peepholes.
3325 (ashlhi3): removed define_expand of this pattern.
3326 (*ashlhi3_insn): renamed to ashlhi3.
3327 (ashlsi3): removed define_expand of this pattern.
3328 (*ashlsi3_insn): renamed to ashlsi3.
3329 (ashrqi3): removed define_expand of this pattern.
3330 (*ashrqi3_insn): renamed to ashrqi3.
3331 (ashrhi3): removed define_expand of this pattern.
3332 (*ashrhi3_insn): renamed to ashrhi3.
3333 (ashrsi3): removed define_expand of this pattern.
3334 (*ashrsi3_insn): renamed to ashrsi3.
3335 (lshrhi3): removed define_expand of this pattern.
3336 (*lshrhi3_insn): renamed to lshrhi3.
3337 (lshrsi3): removed define_expand of this pattern.
3338 (*lshrsi3_insn): renamed to lshrsi3.
3340 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
3342 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
3343 inclusion of "system.h".
3345 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
3347 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
3350 2000-05-03 David Mosberger <davidm@hpl.hp.com>
3352 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
3353 if -mauto-pic is on.
3354 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
3355 -mconstant-gp is in effect and function-descriptors are being used
3356 to make indirect calls.
3357 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
3358 (MASK_AUTO_PIC): Ditto.
3359 (TARGET_CONST_GP): Ditto.
3360 (TARGET_AUTO_PIC): Ditto.
3361 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
3362 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
3363 -mno-pic is in effect.
3364 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
3365 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
3366 -mauto-pic is in effect.
3367 (gprel64_offset): New pattern.
3368 (load_gprel64): Ditto.
3369 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
3370 -mconstant-gp is in effect, no need to preserve gp around direct
3372 (call_value): Ditto.
3373 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
3374 (FUNCTION_PROFILER): Define.
3375 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
3376 @fptr() directive when -mno-pic or -mauto-pic is in effect.
3377 (ASM_OUTPUT_DESTRUCTOR): Ditto.
3379 2000-05-03 Richard Henderson <rth@cygnus.com>
3381 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
3382 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
3383 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
3384 (mklibgcc, libgcc.mk): New targets.
3385 (libgcc.a): Use libgcc.mk.
3386 (stmp-multilib): Likewise.
3387 (stmp-multilib-sub): Remove.
3388 (mostlyclean): Don't delete libgcc2 temp files.
3389 * configure.in (AC_PROG_CC_C_O): Add.
3390 (NO_MINUS_C_MINUS_O): Substitute it.
3391 (all_outputs): Add mklibgcc.
3392 * mklibgcc.in: New file.
3394 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
3396 * cppexp.c (op_t): Make an int.
3398 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
3400 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
3402 * gensupport.c (process_rtx): Fix macros used.
3404 2000-05-03 Richard Henderson <rth@cygnus.com>
3406 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
3407 call-clobbered registers of a call.
3409 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
3411 * gensupport.c: New file.
3412 * gensupport.h: New file.
3413 * Makefile.in (HOST_RTL): Depend on gensupport.
3414 (gensupport.o) New rule.
3415 * genattr.c: Use gensupport for reading .md files.
3416 * genattrtab.c: Ditto.
3417 * gencodes.c: Ditto.
3418 * genconfig.c: Ditto.
3420 * genextract.c: Ditto.
3421 * genflags.c: Ditto.
3422 * genopinit.c: Ditto.
3423 * genoutput.c: Ditto.
3425 * genrecog.c: Ditto.
3426 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
3427 * md.texi (Insn Splitting): Document define_insn_and_split.
3429 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
3431 * flow.c (verify_flow_info): Added two more sanity checks. The
3432 first checks that the blocks are numbered consecutively. The second
3433 checks that n_basic_blocks is actually equal to the number of
3434 basic blocks in the insn chain.
3436 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
3438 * cpplib.h: Add accessor macros for token lists.
3439 * cpplib.c, cpphash.c, cpplex.c: Use them.
3441 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3443 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
3444 memory usage if not in a function.
3445 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
3446 return address if static.
3448 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
3450 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
3451 whether address may trap.
3453 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
3455 * bb-reorder (chain_reorder_blocks): Changed code to test for
3456 EDGE_FALLTHRU rather than making erroneous assumption that the
3457 first outgoing edge is the fall-through edge.
3459 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
3461 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
3462 ABI for varargs, across all MIPS. This is incompatible because the
3463 va_list (__builtin_va_list) structure is different, so a compilation
3464 unit passing a va_list and a compilation unit being passed one, should
3465 both be compiled with the same ABI. (The old structure had two
3466 pointers, now it has three.)
3468 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
3470 * bb-reorder.c (struct reorder_block_def): Remove members end,
3471 block_begin, and block_end.
3472 (REORDER_BLOCK_OLD_END): Delete.
3473 (REORDER_BLOCK_BEGIN): Delete.
3474 (REORDER_BLOCK_END): Delete.
3475 (chain_reorder_blocks): Remove dead code.
3477 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
3479 * bb-reorder.c (remove_scope_notes): Check for both types of scope
3480 notes as the end of a basic block before deleting.
3482 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
3484 * final.c (final_start_function): Fix spelling of "necessary".
3486 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
3488 * toplev.c (debug_ignore_block): Return int.
3489 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
3490 * toplev.h, dwarf2out.h: Adjust.
3491 * emit-rtl.c (remove_unnecessary_notes): Test return value.
3493 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
3494 * toplev.c, final.c, rtl.h: Adjust.
3496 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3498 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
3499 * configure.in: Look for makeinfo in the unified tree, then
3500 for a system makeinfo which is sufficiently new.
3501 * Makefile.in: If configure says makeinfo is too old, don't
3502 build or install Info documentation.
3504 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3506 * cpphash.c (collect_params): Fix off-by-one error.
3507 (dump_hash_helper): Dump all four macro nodetypes.
3509 2000-05-02 Jakub Jelinek <jakub@redhat.com>
3511 * cpphash.c (trad_stringify): Adjust p after stringification as
3514 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
3516 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
3517 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
3519 * cppfiles.c (file_cleanup): Delete.
3520 * cpphash.c (macro_cleanup): Delete.
3521 (collect_objlike_expansion, collect_funlike_expansion,
3522 macarg, scan_arguments): Remove CPP_POP case.
3524 * cpplex.c (null_cleanup): Delete.
3525 (cpp_pop_buffer): Do the work that was done in the cleanups
3526 here. Call _cpp_unwind_if_stack from here.
3527 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
3528 cpp_scan_buffer): Run until we see CPP_EOF and the top of
3529 stack is the buffer _below_ the one we stacked.
3530 (cpp_get_token): Always pop an exhausted buffer. Return
3531 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
3532 * cpplib.c (skip_if_group): Don't call cpp_get_token to
3533 increment the line number.
3534 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
3536 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
3537 we see CPP_EOF and the top of stack is the buffer _below_ the
3539 * scan-decls.c: Likewise.
3541 2000-05-02 Andrew Haley <aph@cygnus.com>
3543 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
3544 where this function is called for the second time on a decl that
3545 has had its section info changed in such a way as to move it out
3547 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
3549 2000-05-01 Richard Henderson <rth@cygnus.com>
3551 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
3552 the sequence we're moving, not to merge_bb->head.
3554 2000-05-01 Richard Henderson <rth@cygnus.com>
3556 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
3557 reference to alpha/t-linux.
3558 (alpha*-*-linux-gnu*): Likewise.
3559 * configure: Rebuild.
3561 * calls.c (expand_call): Don't emit reg notes for a sibcall.
3563 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
3566 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
3568 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
3570 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
3573 2000-05-01 Richard Henderson <rth@cygnus.com>
3575 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
3576 emit_conditional_move.
3578 2000-05-01 Jakub Jelinek <jakub@redhat.com>
3580 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
3581 as the dynamic linker.
3583 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
3585 * cppfiles.c (open_include_file): Open file in blocking mode.
3586 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
3587 Only exclude block devices and directories.
3589 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
3590 static. Allocate the hashnode and its string in the same
3592 (del_HASHNODE): Don't free h->name.
3593 (_cpp_lookup): If there is no entry for this string, create
3594 one, of type T_VOID.
3595 (_cpp_lookup_slot): Delete.
3596 * cpphash.h: Update prototypes.
3598 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
3600 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
3601 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
3602 node here, just fill in the value field properly. "Delete"
3603 entries by setting the value field to T_VOID. Check for
3604 hp->type == T_VOID, not hp == NULL.
3606 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
3607 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
3610 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
3612 * config/mn10300/mn10300.c (print_operand_address): Do not add
3615 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
3616 adjusted by less than 256 bytes, use ret regardless of having any
3617 callee-saved register to restore.
3619 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
3621 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
3623 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
3625 * config/i386/djgpp.h (INT_ASM_OP): Define.
3626 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
3627 (ASM_WEAKEN_LABEL): Define.
3628 (MASK_BNU210): Define.
3629 (SUBTARGET_SWITCHES): Define.
3630 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
3631 (MAKE_DECL_ONE_ONLY): Define.
3632 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
3634 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
3636 * i386/cygwin.h (INT_ASM_OP): Define.
3638 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
3640 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
3641 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
3643 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
3645 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
3646 __tmp_reg__ and __zero_reg__ initialization.
3648 2000-04-30 Richard Henderson <rth@cygnus.com>
3650 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
3652 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
3653 referenced bewteen the condition and the jump. Don't delete
3654 anything but the jump.
3656 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
3658 * bb-reorder.c (scope_def): New struct.
3659 (scope_forest_info): New struct.
3660 (struct reorder_block_def): New member "scope".
3661 (REORDER_BLOCK_SCOPE): New macro.
3662 (relate_bbs_with_scopes): New function and prototype.
3663 (make_new_scope): Likewise.
3664 (build_scope_forest): Likewise.
3665 (remove_scope_notes): Likewise.
3666 (insert_intra_1): Likewise.
3667 (insert_intra_bb_scope_notes): Likewise.
3668 (insert_inter_bb_scope_notes): Likewise.
3669 (rebuild_scope_notes): Likewise.
3670 (free_scope_forest_1): Likewise.
3671 (free_scope_forest): Likewise.
3672 (dump_scope_forest): Likewise.
3673 (dump_scope_forest_1): Likewise.
3674 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
3675 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
3677 (reorder_basic_blocks): Added calls to build_scope_scope_forest
3678 and remove_scope_notes before reordering is done. Added calls to
3679 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
3680 after reordering is done.
3682 2000-40-30 Bruce Korb <bkorb@gnu.org>
3684 * fixinc/inclhack.def: Added definitions needed by OSR5,
3685 removed two stale entries (defined away with OLD_CPP).
3686 * fixinc/inclhack.sh: regen
3687 * fixinc/fixincl.x: regen
3689 2000-04-30 Richard Henderson <rth@cygnus.com>
3691 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
3692 from the last insn in the sequence.
3694 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
3696 * cpplex.c (cpp_idcmp): New function.
3697 * cpplib.h: Prototype it.
3698 * scan_decls.c (scan_decls): Use it to inspect token names.
3699 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
3700 the file being run through the preprocessor.
3701 (check_macro_names): Provide length of token to cpp_defined.
3703 * Makefile.in: Remove stale warning message.
3705 * cppfiles.c (redundant_include_p): Provide length of token to
3707 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
3708 values are unsigned int.
3709 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
3710 (_cpp_lookup_slot): Do not calculate the hash, either.
3711 * cpphash.h: Update prototypes.
3712 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
3713 Hashes are unsigned int. Calculate hash here, pass by value
3714 to _cpp_lookup_slot.
3716 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
3718 * simplify-rtx.c (check_value_useless): Delete function.
3719 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
3721 (cselib_invalidate_regno): Likewise.
3722 (cselib_invalidate_mem_1): Likewise.
3723 (references_value_p): Recognize useless values by the fact that they
3725 (discard_useless_values): Likewise.
3726 (cselib_record_set): This may turn a useless value
3729 2000-04-30 Richard Henderson <rth@cygnus.com>
3731 * config/d30v: New port.
3733 * configure.in (d30v-*): Set fp format.
3734 * configure: Rebuild.
3736 2000-04-30 Richard Henderson <rth@cygnus.com>
3738 * ifcvt.c: New file.
3739 * Makefile.in (OBJS): Add it.
3740 (ifcvt.o): New target.
3741 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
3742 and conditional arithmetic.
3743 (find_insert_position): Remove.
3744 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
3745 * toplev.c (DFI_ce, DFI_ce2): New.
3746 (dump_file): Add ce and ce2 dumps.
3747 (rest_of_compilation): Run if_convert a couple o times. Set
3748 cse_not_expected after cse2. Don't set no_new_pseudos until
3749 after sched1 or recompute_reg_usage.
3751 2000-04-30 Richard Henderson <rth@cygnus.com>
3753 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
3754 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
3756 2000-04-30 Richard Henderson <rth@cygnus.com>
3758 * flow.c (struct reg_cond_life_info): New.
3759 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
3760 (init_propagate_block_info): Initialize them.
3761 (free_propagate_block_info): Destruct them.
3762 (mark_set_1): Consider conditional life before killing a register.
3763 (mark_regno_cond_dead): New.
3764 (free_reg_cond_life_info): New.
3765 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
3766 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
3767 (mark_used_reg): Record conditional life.
3769 * haifa-sched.c (schedule_insns): Disable death counting
3770 sanity check for HAVE_conditional_execution.
3772 2000-04-30 Richard Henderson <rth@cygnus.com>
3774 * Makefile.in (TIMEVAR_H): New.
3775 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
3776 (timevar.h): Remove rule.
3778 2000-04-29 Richard Henderson <rth@cygnus.com>
3780 * config/alpha/crtend.asm: Use C comments instead of #.
3781 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
3783 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
3785 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
3787 * cpphash.h (enum node_type: Take out T_MCONST.
3788 (union hashval): Move into struct hashnode.
3789 (struct hashnode): Pack tighter. Remove file, line, col
3791 * cpphash.c: Constify most of the macro-definition structures.
3792 (struct definition): Replace by struct object_defn
3793 and struct funct_defn. Put file, line, column information
3794 here. All users updated to match.
3795 (_cpp_create_definition, _cpp_macroexpand): Remove special
3796 case for #define WORD OTHERWORD.
3797 * cpplib.c (do_undef): Remove T_MCONST case.
3799 * cpphash.h: Move struct reflist, struct definition, and the
3800 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
3801 union hashval. _cpp_free_definition takes a HASHNODE pointer.
3802 * cpphash.c (_cpp_free_definition): Free data pointed to by
3803 MCONST, XCONST, MACRO, and FMACRO nodes properly.
3804 (_cpp_create_definition, del_HASHNODE): Just call
3805 _cpp_free_definition to clear out a hashnode.
3806 * cpplib.c (do_pragma_poison): Likewise.
3808 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
3810 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
3811 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
3812 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
3813 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
3814 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
3815 REGNO_AM33_P): Redefine in terms of the new macros.
3816 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
3817 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
3818 STRUCT_VALUE): Likewise.
3819 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
3820 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
3822 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
3824 * regmove.c (struct record_stack_memrefs_data): New.
3825 (record_stack_memrefs): New function.
3826 (combine_stack_adjustments_for_block): Use it.
3828 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3830 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
3831 use special_function_p to detect alloca.
3833 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
3835 * gcc.texi: Fixes for makeinfo 4.0 --html.
3837 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
3839 * pcp.h: Delete file.
3841 2000-04-28 Kazu Hirata <kazu@hxi.com>
3843 * h8300.c (function_epilogue): Clean up flags when the last insn
3844 in a function is a barrier.
3846 2000-04-28 Chris Demetriou <cgd@sibyte.com>
3848 * configure.in (sparc-hal-solaris2*): protect [] glob from
3850 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
3851 rather than hard-coded constants in target_cpu_default2.
3852 * configure: Regenerate.
3854 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3856 * tree.c (get_callee_fndecl): Extract the initial value from
3859 2000-04-28 Richard Henderson <rth@cygnus.com>
3861 * varasm.c (record_constant_1): Record the CODE_LABEL when
3862 taking the address of a LABEL_REF.
3864 2000-04-28 Richard Henderson <rth@cygnus.com>
3865 Jan Hubicka <jh@suse.cz>
3867 * calls.c (combine_pending_stack_adjustment_and_call): Return the
3868 adjustment; don't do the stack adjust.
3869 (expand_call): Call compute_argument_block_size right before
3870 allocating the block; update comment; don't do alignment sanity
3871 checking for sibling call; use args_size instead of
3872 unadjusted_args_size before args_size is adjusted. Use
3873 combine_pending_stack_adjustment_and_call to compute stack adjust
3874 for must_preallocate case.
3876 * expr.c (push_block): Remove shadow `temp' in inner scope.
3878 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
3880 * toplev.c (rest_of_compilation): Call
3881 note_deferral_of_defined_inline_function even if the function
3884 2000-04-28 Scott Bambrough <scottb@netwinder.org>
3886 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
3888 2000-04-28 Richard Henderson <rth@cygnus.com>
3890 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
3892 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3894 * timevar.c (init_timevar): DeANSIfy function definition.
3896 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3898 * Makefile.in (timevar.o): Depend on flags.h.
3899 * timevar.c (unused_stack_instances): New variable.
3900 (timevar_push): Take a timevar_stack_def from
3901 unused_stack_instances if available.
3902 (timevar_pop): Push the popped timevar_stack_def onto
3903 unused_stack_instances.
3904 (TIMEVAR_ENABLE): New macro.
3905 (timevar_def): Make standalone a 1-bit field. Add field used.
3906 (get_time): Rename parameter to now. Return after clearing it if
3908 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
3909 (timevar_pop): Likewise.
3910 (timevar_stop): Likewise.
3911 (timevar_push): Likewise. Mark the timing variable as used.
3912 (timevar_start): Likewise.
3913 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
3914 timevars that were never used.
3916 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3918 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
3919 always TREE_READONLY.
3921 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
3923 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
3924 for call instruction with mode QImode.
3926 2000-04-27 Alex Samuel <samuel@codesourcery.com>
3928 * Makefile.in (OBJS): Add timevar.o.
3929 (toplev.o): Depend on timevar.h.
3930 (ggc-simple.o): Likewise.
3931 (ggc-page.o): Likewise.
3932 (timevar.o): New rule.
3933 (timevar.h): New rule.
3935 * timevar.h: New file.
3936 * timevar.c: Likewise.
3937 * timevar.def: Likewise.
3939 * toplev.h (gc_time, parse_time, varconst_time): Remove.
3940 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
3942 (TIMEVAR): Remove macro.
3943 (gc_time, parse_time, varconst_time, integration_time, jump_time,
3944 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
3945 flow_time, combine_time, regmove_time, sched_time,
3946 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
3947 sched2_time, dbr_sched_time, reorder_blocks_time,
3948 rename_registers_time, shorten_branch_time, stack_reg_time,
3949 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
3951 (compile_file): Don't initialize time variables. Call
3952 init_timevar and start TV_TOTAL timer. Call timevar_print instead
3953 of many calls to print_time.
3954 (rest_of_compilation): Add timing for reload_cse_regs.
3955 (get_run_time): Removed to timevar.c.
3956 (print_time): Likewise.
3957 (get_run_time): Implement using TV_TOTAL time variable.
3958 (print_time): Get total run time from get_run_time.
3959 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
3960 computing elapsed time explicitly.
3961 * ggc-simple.c (ggc_collect): Likewise.
3962 (gc_time): Remove declaration.
3964 2000-04-27 Mark Mitchell <mark@codesourcery.com>
3966 * calls.c (combine_pending_stack_adjustment_and_call): New function.
3967 (expand_call): Use it.
3969 2000-04-27 Jan Hubicka <jh@suse.cz>
3971 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
3974 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
3976 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
3979 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
3981 * function.c (epilogue_done): Pass whole insn to record_insns.
3983 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
3985 * cse.c (CSE_ADDRESS_COST): Remove.
3986 (find_best_addr): Add new parameter "MODE", use address_cost instead
3988 (address_cost): New.
3989 (fold_rtx): Update call of find_best_addr.
3990 * rtl.h (address_cost): Declare.
3991 * loop.c (general_induction_var): Add new parameter "MODE", use
3992 address_cost instead of ADDRESS_COST
3993 (init_loop): Use address_cost instead of ADDRESS_COST.
3994 (check_insn_for_givs): Update call of general_induction_var.
3995 (find_mem_givs): Likewise.
3996 (consec_sets_giv): Likewise.
3997 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
3998 * i386.c (ix86_address_cost): New.
3999 * i386-protos.h (ix86_address_cost): Declare.
4001 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
4003 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
4006 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
4008 * expr.c (store_expr): Use clear_storage instead of direct memset
4011 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
4013 * config/mn10300/mn10300.c (mn10300_address_cost): Test
4014 ASHIFT, AND and LABEL_REF.
4016 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
4018 * invoke.texi (-foptimize-sibling-calls): Fix.
4020 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
4022 * loop.c (load_mems) Don't use hard registers for the hoisting.
4024 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
4025 calculation; rename const_equiv array in the preconditioning code
4026 from loop_unroll to loop_unroll_precondition
4028 2000-04-27 Richard Henderson <rth@cygnus.com>
4030 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
4032 (propagate_one_insn): Clear it. Don't update reg_live here.
4033 (init_propagate_block_info): Update for pbi member changes.
4034 (free_propagate_block_info): Likewise.
4035 (mark_set_1): Know that zero_extract, sign_extract, and
4036 strict_low_part don't kill their argument. Alter hard subregs.
4037 Update new_set for non-CLOBBER sets. Update reg_live.
4038 (find_auto_inc): Update reg_live, not new_dead.
4039 (mark_used_reg): Update reg_live, not new_live. Examine new_set
4040 to determine if the reg in question was set this insn. Only update
4041 reg info with PROP_REG_INFO.
4043 2000-04-26 Richard Henderson <rth@cygnus.com>
4045 * flow.c (allocate_reg_life_data): Set max_regno here ...
4046 (life_analysis): ... not here.
4048 * flow.c (calculate_global_regs_live): Force stack pointer
4051 2000-04-26 Richard Henderson <rth@cygnus.com>
4053 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
4054 commit change group changes.
4055 (invert_exp_1): Similarly.
4056 (redirect_exp, invert_exp): Use them.
4057 (redirect_jump_1): New.
4058 (invert_jump_1): New.
4059 (jump_optimize_1): Remove code subsumed by condexec.c.
4060 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
4062 2000-04-26 Richard Henderson <rth@cygnus.com>
4064 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
4066 * genconfig.c (main): Set all HAVE_foo to 1.
4068 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
4070 2000-04-26 Alex Samuel <samuel@codesourcery.com>
4072 * invoke.texi: Document -fssa flag.
4074 2000-04-26 Richard Henderson <rth@cygnus.com>
4076 * flow.c (count_reg_sets_1): Remove.
4077 (count_reg_sets, count_reg_references): Remove.
4078 (recompute_reg_usage): Implement with update_life_info.
4079 Reallocate life data.
4081 2000-04-26 Richard Henderson <rth@cygnus.com>
4083 * flow.c (update_life_info): Consider blocks null to mean the
4085 (calculate_global_regs_live): Likewise.
4086 (life_analysis): Do that instead of collecting all_blocks.
4088 2000-04-26 Richard Henderson <rth@cygnus.com>
4090 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
4091 a still-valid conditional jump.
4093 2000-04-26 Richard Henderson <rth@cygnus.com>
4095 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
4097 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
4098 * flow.c (calculate_loop_depth): Remove.
4099 * output.h (calculate_loop_depth): Don't declare.
4100 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
4101 inline; run estimate_probability at the same time.
4103 2000-04-26 Neil Booth <NeilB@earthling.net>
4105 * cpplib.h: "~=" is not a single pp-token.
4106 * cpplex.c: Correct commentary.
4108 2000-04-26 Richard Henderson <rth@cygnus.com>
4110 * flow.c (mark_set_1): New arguments code and flags; update all
4111 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
4112 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
4113 loop_depth when optimizing for size. Do new_dead update after
4114 emitting REG_UNUSED notes. Merge mark_set_reg code.
4115 (mark_set_reg): Remove.
4116 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
4117 arrange to not emit REG_UNUSED notes.
4119 2000-04-26 Richard Henderson <rth@cygnus.com>
4121 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
4122 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
4124 2000-04-26 Richard Henderson <rth@cygnus.com>
4126 * flow.c (propagate_one_insn): Break out from propagate_block.
4127 (init_propagate_block_info): Likewise.
4128 (free_propagate_block_info): Likewise.
4129 (propagate_block): Use them. Export.
4130 * basic-block.h: Declare them all.
4132 2000-04-26 Richard Henderson <rth@cygnus.com>
4134 * basic-block.h (life_analysis): Declare here ...
4135 * output.h: ... not here.
4136 * flow.c (life_analysis): Remove nregs parameter; replace
4137 remove_dead_code with flags. Remove ssa dead code check.
4138 Only init alias analysis if we'll use it.
4139 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
4140 * ssa.c (convert_to_ssa): Likewise.
4141 (convert_from_ssa): Likewise.
4142 * toplev.c (rest_of_compilation): Likewise.
4144 2000-04-26 Richard Henderson <rth@cygnus.com>
4146 * flow.c (flow_delete_block): Rename from delete_block. Export.
4147 * basic-block.h (flow_delete_block): Declare.
4149 2000-04-26 David S. Miller <davem@redhat.com>
4151 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
4152 taking a PATTERN of it.
4154 2000-04-26 <NeilB@earthling.net>
4156 * cpplex.c (spell_other, spell_char): Remove.
4158 (token_spelling, trigraph_map): Use unsigned chars.
4159 (_cpp_lex_line): Tidy up the switch statement.
4160 * cpplib.h: Implement spell_char with spell_string.
4163 2000-04-26 <RodneyBrown@pmsc.com>
4165 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4166 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
4168 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4170 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
4171 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
4172 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
4173 dwarf2out_return_save, dwarf2out_return_reg,
4174 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
4175 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
4176 gen_compile_unit_die, dwarf2out_init): Constify a char*.
4178 * dwarf2out.h (dwarf2out_init): Likewise.
4180 * dwarfout.c (filename_entry, primary_filename, last_filename,
4181 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
4183 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
4184 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
4185 dwarf2out_return_reg): Likewise.
4187 2000-04-26 Andreas Jaeger <aj@suse.de>
4189 * extend.texi (Function Attributes): Fix description of pure
4192 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4194 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
4195 before calling rest_of_compilation.
4197 2000-04-26 Andreas Jaeger <aj@suse.de>
4199 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
4202 2000-04-25 Richard Henderson <rth@cygnus.com>
4204 * cse.c (cse_insn): Emit barrier after unconditional jump.
4206 * calls.c (expand_call): Disable tail call generation once
4207 rtx_equal_function_value_matters is false.
4209 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
4212 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
4214 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
4216 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
4218 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
4219 is the primary DIE for a member function.
4220 (gen_decl_die): Call set_decl_origin_self here.
4221 * dwarfout.c (output_decl): And here.
4222 * integrate.c (output_inline_function): Not here.
4223 Don't clear DECL_INLINE until after calling rest_of_compilation.
4224 (set_decl_origin_self): No longer static.
4225 * tree.h: Add prototype.
4226 * toplev.c (note_deferral_of_defined_inline_function): Only write
4227 out abstract instance for actual inlines.
4229 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
4231 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
4232 EXTENDED_REGS only if TARGET_AM33.
4233 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
4234 SP_REGS to register allocation and reloading unless absolutely
4236 (movsi3): Remove special-case of adding non-constants to SP.
4238 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4240 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
4241 INCLUDES to search and does not provide any of its own. Also it
4242 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
4243 parameters. Also it does not call AC_DEFINE.
4244 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
4245 AC_DEFINE and provides for automatic entries for autoheader.
4246 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
4248 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
4249 so we can pass -I flags and include gansidecl.h/system.h in this
4252 * acconfig.h: Delete all NEED_DECLARATION_* entries.
4254 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4256 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4257 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4258 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
4260 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
4261 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
4262 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
4263 for these macros. Clean up spacing and linewraps.
4265 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
4267 * calls.c (expand_call): Use get_callee_fndecl.
4269 * print-tree.c (print_node): Print the chain of an _EXPR.
4271 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
4272 Jim Wilson <wilson@cygnus.com>
4273 Andrew Haley <aph@cygnus.com>
4275 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
4276 and gp save/restore problems.
4277 * config/ia64/crtend.asm: Add IA-64 unwind support.
4278 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
4279 in fr_pad_size calculation.
4280 (save_restore_insns): Move PR save area. Correct uses of
4281 RTX_FRAME_RELATED_P.
4282 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
4283 (ia64_expand_epilogue): Add eh_epilogue support.
4284 (ia64_function_prologue): Emit .prologue directive.
4285 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
4286 (ia64_override_options): Set init_machine_status and
4287 mark_machine_status.
4288 (rtx_needs_barrier): Handle bsp reads and writes.
4289 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
4290 New static variables.
4291 (process_set, process_for_unwind_directive): New functions.
4292 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
4293 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
4294 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
4296 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
4297 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
4298 (struct machine_function): Define.
4299 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
4301 2000-04-25 Bruce Korb <bkorb@gnu.org>
4303 * fixinc/Makefile.in: make the removal of old programs more
4305 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
4306 install-bin and install-sh
4308 2000-04-25 Nick Clifton <nickc@cygnus.com>
4310 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
4311 defined, define to return zero.
4312 (function_cannot_inline_p): If a function has any target
4313 specific attributes, then use the macro
4314 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
4315 whether it can be inlined. If it cannot, issue a suitable
4318 * tm.texi: Add a new node 'Inlining' to document the new macro
4319 FUNCTION_ATTRIBUTE_INLINABLE_P.
4321 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
4323 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
4326 2000-04-25 Neil Booth <NeilB@earthling.net>
4328 Restore previous patch, plus the following fixes:
4330 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
4331 flags, not CPP_OPEN_PAREN.
4332 * cpplex.c (expand_token_space, init_token_list,
4333 cpp_free_token_list): Put the dummy token at list->tokens[-1].
4334 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
4336 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4338 * config/i386/freebsd.h (INT_ASM_OP): Define.
4340 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
4342 * loop.c (strength_reduce): Fix typo in the last checkin.
4344 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4346 * stor-layout.c (finalize_record_size): Simplify to use existing
4348 (compute_record_mode): No longer static.
4349 * tree.h (compute_record_mode): New declaration.
4351 2000-04-25 Neil Booth <NeilB@earthling.net>
4353 * Revert my patch below until cause of build failures
4356 2000-04-25 Richard Henderson <rth@cygnus.com>
4358 * combine.c (combine_instructions): Add missing argument
4361 * toplev.c (rest_of_compilation): Delay sibcall optimization
4362 until after emit_eh_context.
4364 2000-04-24 Nick Clifton <nickc@redhat.com>
4366 * combine.c (combine_instructions): Do not try to combine a
4367 sequence of insns when the second insn has been replaced by a
4370 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
4372 * gcc.c (load_specs): New static function.
4373 (read_specs): Use it.
4375 * gcc.c (lookup_compiler): Make multiple passes for case
4376 insensitive filesystems.
4378 2000-04-24 Neil Booth <NeilB@earthling.net>
4380 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
4381 * cpphash.h (_cpp_check_directive): new.
4382 * cpplex.c (handle_newline, cpp_free_token_list,
4383 init_trigraph_map, trigraph_ok, trigraph_replace,
4384 backslash_start, skip_block_comment, skip_line_comment,
4385 skip_whitespace, parse_name, parse_number, parse_string,
4386 copy_comment, _cpp_lex_line, spell_char, spell_string,
4387 spell_comment, spell_name, spell_other, _cpp_lex_file,
4388 _cpp_output_list): new.
4389 (expand_name_space): take length argument.
4390 (init_token_list): add comment list initialisation.
4391 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
4392 instead of HSPACE_BEFORE.
4394 * cpplib.c (_cpp_check_directive): new
4395 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
4396 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
4397 (HSPACE_BEFORE): delete.
4398 (TTYPE_TABLE): rearrange.
4399 (struct cpp_toklist): update.
4401 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4403 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
4404 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
4405 argument form of AC_DEFINE.
4407 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
4408 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
4409 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
4410 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
4411 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
4413 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
4415 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4417 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
4418 deduced.h): Use -isystem, not -I, for including system headers.
4420 2000-04-24 Nick Clifton <nickc@cygnus.com>
4422 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
4423 the source register is the frame pointer or arg pointer.
4424 (addsi3_small_int): Disallow if source register is the frame
4425 pointer or arg pointer.
4427 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4429 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
4430 call to AC_MSG_RESULT.
4432 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4434 * invoke.texi: Correct grammatical errors, document
4435 -fno-gnu-keywords as identical to -fno-asm for C++.
4437 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
4440 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
4441 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
4442 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
4443 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
4445 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
4446 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
4447 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
4448 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
4451 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
4453 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
4454 (pop_alignment): Likewise.
4455 (handle_pragma_token): Likewise.
4457 2000-04-24 Robert Lipe <robertlipe@usa.net>
4459 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
4461 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
4463 * combine.c (try_combine): Update reg_nonzero_bits of
4464 newi2pat before newpat.
4466 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
4468 * loop.c (strength_reduce): Simplify test to INSN_P.
4469 (record_giv): Attempt to simplify the add value, use CONSTANT_P
4470 expressions instead of CONST_INT.
4471 (express_from_1): Likewise.
4473 2000-04-24 Mark Mitchell <mark@codesourcery.com>
4475 * regs.h (reg_n_max): Don't declare.
4476 * flow.c (reg_n_max): Don't define.
4477 * regclass.c (renumber): Don't initialize to zero.
4478 (regno_allocated): Likewise.
4479 (reg_n_max): Define.
4480 (allocate_reg_info): Don't initialize unnecessarily.
4482 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
4484 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
4485 and blockage_p in the newly allocated attribute.
4487 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
4489 * config/mn10300/mn10300.md (addsi): `inc4' on address
4490 registers does not modify cc, but `inc' on an extended
4493 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
4495 * reload.c (find_equiv_reg): Checks all valueno regs
4496 as a reload_reg_p regs.
4498 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4500 * cpphash.c (collect_objlike_expansion): Add sanity check.
4501 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
4502 the buffer is the empty string, return. Mark __DATE__ and
4503 __TIME__ as XCONST nodes, not MCONST.
4504 (_cpp_macroexpand): Avoid pushing an empty buffer.
4505 (funlike_macroexpand): Don't pop token_buffer here.
4507 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
4509 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
4510 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
4511 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
4512 (REGNO_OK_FOR_BASE_P): Define in terms of them.
4513 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
4514 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
4515 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
4517 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
4519 * loop.c (simplify_giv_expr): Be more agressive on simplifying
4522 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
4524 * cpphash.h (struct definition): Move file, line, col members...
4525 (struct hashnode): ... here. Also add 'disabled' flag.
4526 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
4527 T_IDENTITY. Remove T_DISABLED.
4530 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
4531 (collect_expansion): Split into collect_objlike_expansion and
4532 collect_funlike_expansion.
4533 (_cpp_macroexpand): Split out scan_arguments, stringify, and
4534 funlike_macroexpand.
4535 (_cpp_compare_defs): Rename compare_defs, make static.
4536 (_cpp_make_hashnode): Initialize hp->disabled.
4537 (macro_cleanup): Adjust for new token types. Clear
4539 (_cpp_create_definition): Move code here to determine what
4540 sort of macro it is, and code to check for redefinitions, from
4541 do_define. Implement a few simple cases without creating a
4543 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
4544 Handle the simple cases.
4545 (push_macro_expansion): Set buf->has_escapes and hp->disabled
4548 * cppinit.c (builtin_array): Change MCONST to XCONST
4550 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
4551 fix check for disabled and function-like macros.
4552 * cpplib.c (do_define): Move most logic to
4553 _cpp_create_definition.
4554 (do_undef): Handle new special token types.
4556 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
4558 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
4559 of CONSTANT_P for mult_val; always use validate_change to update insn.
4561 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
4563 * cpphash.c (trad_stringify, add_pat): New functions.
4564 (collect_expansion): Restore support for -traditional syntax.
4565 Use trad_stringify and add_pat.
4566 (_cpp_macroexpand): Restore support for -traditional semantics.
4567 * cpplex.c (_cpp_scan_line): Don't change space_before if we
4568 get a COMMENT token.
4569 (_cpp_lex_token): Provide COMMENT tokens to caller if
4570 traditional and parsing_define_directive.
4571 (skip_comment): Warn about // comments if -Wtraditional.
4572 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
4574 (do_undef): Don't warn about undefining EMPTY nodes.
4576 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
4578 * loop.c (strength_reduce): Fix biv removal code.
4580 2000-04-22 Richard Henderson <rth@cygnus.com>
4582 * predict.c (estimate_probability): Examine both sides of
4583 a branch for no exits. Use 90% not 50% for predict taken.
4584 Reorg for one copy of note generation code.
4586 2000-04-22 Richard Henderson <rth@cygnus.com>
4588 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
4590 2000-04-22 Richard Henderson <rth@cygnus.com>
4592 * diagnostic.c (init_output_buffer): Don't initialize format_args.
4593 (output_clear): Likewise.
4594 (output_printf): Use va_copy.
4595 (vline_wrapper_message_with_location): Likewise.
4596 (v_message_with_decl): Likewise.
4597 (line_wrapper_printf): VA_START infor buffer.format_args directly.
4598 * system.h (va_copy): Provide default implementation.
4600 2000-04-22 Richard Henderson <rth@cygnus.com>
4602 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
4603 the collected condition is not a constant.
4605 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
4607 * diagnostic.h: New file.
4609 * Makefile.in (diagnostic.o): Depends on diagnostic.h
4611 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
4612 various function prototypes.
4613 (diagnostic.h): #include.
4614 (struct output_buffer): Move into diagnostic.h.
4615 (get_output_prefix): Rename to output_get_prefix. Export.
4616 (init_output_buffer): Export. Break out. Ajust intialization.
4617 (output_space_left, output_append): Export.
4618 (output_newline): Rename to output_add_newline. Export.
4619 (output_clear): Nullify additional output_buffer fields.
4620 (output_puts): Rename to output_add_string. Export.
4621 (dump_output): Rename to output_flush_on. Export.
4622 (build_location_prefix): Constify return-type.
4623 (emit_output_prefix): Rename to output_emit_prefix. Export.
4624 (set_real_maximum_length): New function.
4625 (output_set_maximum_length): Ditto
4626 (output_clear): Ditto.
4627 (output_add_character): Ditto.
4628 (output_add_integer): Ditto.
4629 (output_add_space): Ditto.
4630 (output_format): Ditto.
4631 (output_printf): Adjust buffer initialization.
4632 (vline_wrapper_message_with_location): Ditto.
4633 (v_message_with_decl): Ditto. Adjust call to output_puts
4634 and get_output_prefix.
4635 (default_print_error_function): Adjust buffer intialization.
4637 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4639 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
4642 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
4644 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
4647 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
4649 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
4650 accurate data about SP moves.
4652 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
4654 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
4655 aliases to AM33 registers.
4657 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
4659 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
4660 to all EXTENDED bitmaps.
4662 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
4664 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
4665 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
4666 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
4668 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
4670 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
4671 the operand is not constant.
4673 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
4675 * reload.c (find_equiv_reg): Checks all valueno and regno regs
4676 as a call-clobbered regs.
4678 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4680 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
4682 * rtl.def: Update comment.
4683 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
4684 * integrate.c (expand_inline_function): Likewise.
4685 * profile.c (branch_prob): Likewise.
4686 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
4687 * print-rtl.c (print_rtx): Likewise.
4688 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
4689 (reemit_notes): Likewise; also use enum insn_note.
4691 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
4692 (place_field): Properly compute know and actual alignment.
4694 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
4697 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
4700 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
4702 * cpphash.c (struct arg, struct arglist): Const-ify strings.
4703 (warn_trad_stringify, duplicate_arg_p): New helper functions.
4704 (collect_expansion): Rewrite to scan over a token list.
4705 Remove -traditional support.
4706 (collect_formal_parameters): Rename to collect_params; rewrite
4707 to scan over a token list.
4708 (_cpp_create_definition): Adjust to scan a token list.
4709 (_cpp_macroexpand): Remove -traditional support.
4710 (_cpp_compare_defs): Whitespace is now canonicalized.
4711 (comp_def_part): Delete function.
4713 * cpphash.h: Update prototypes.
4714 * cpplex.c (init_token_list): Don't set lineno if there is no
4716 (pedantic_whitespace): New function.
4717 (_cpp_scan_line): Mark tokens that had hspace before. Don't
4718 consume a newline. Use pedantic_whitespace.
4719 (_cpp_lex_token): Remove support for -traditional macros.
4720 (_cpp_get_define_token): Delete.
4721 (_cpp_get_directive_token): Do the real work here. Use
4722 pedantic_whitespace.
4723 (_cpp_init_input_buffer): Initialize pfile->directbuf.
4725 * cpplib.c (get_macro_name): Delete.
4726 (do_define): Read the entire line into pfile->directbuf, then
4727 feed the token list to _cpp_create_definition.
4728 * cpplib.h (HSPACE_BEFORE): new define.
4729 (struct cpp_reader): Add a toklist member, "directbuf".
4731 * predict.c (estimate_probability): New heuristic: if a jump
4732 branches around a block with no successors, predict it taken.
4733 Disentangle control flow.
4735 2000-04-20 Richard Henderson <rth@cygnus.com>
4737 * loop.c (emit_iv_add_mult): Revert last change.
4739 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4741 * cpplib.h (enum cpp_ttype): Add token types for all
4742 punctuators. Distinguish pp-numbers from valid C numbers.
4743 Give some tokens better names. Initialize from macro.
4744 (struct cpp_name, cpp_token, cpp_toklist): New data
4747 * cpplex.c (bump_column, expand_name_space,
4748 expand_token_space, init_token_list, cpp_output_list,
4749 _cpp_scan_line): New functions.
4750 (output_line_command): Add third argument, new line number.
4751 * cpphash.h: Update prototypes.
4752 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
4755 2000-04-20 Richard Henderson <rth@cygnus.com>
4757 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
4759 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
4761 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
4764 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
4766 * loop.c (emit_iv_add_mult): Simplify it's input and emit
4767 REG_EQUAL note explaining the calculated value.
4769 * calls.c (expand_call): Avoid unnecesary precalculation
4770 and outgoing parameters space guarding for sibling calls.
4771 (store_one_arg): Likewise.
4773 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4775 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
4776 (rest_of_compilation): Write sibling dump file and account
4777 for time as jump time.
4778 * invoke.texi: Update documentation on dump flags.
4780 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
4782 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
4784 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
4786 * cpphash.c (special_symbol): Represent an empty macro with
4787 "\r \r " not just "\r ".
4788 (_cpp_macroexpand): Correct condition for the foo ( ) special
4790 (unsafe_chars): Handle EOF as second argument.
4791 (push_macro_expansion): Simplify test for removing escape at
4792 end. Do not trim both escapes if there is no text in between.
4794 2000-04-19 Jim Blandy <jimb@redhat.com>
4796 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
4797 of PTR_SIZE, when appropriate.
4799 2000-04-19 Mark Mitchell <mark@codesourcery.com>
4801 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
4802 (USE_ENUM_BITFIELDS): Fix typo.
4804 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4806 * stor-layout.c (place_field): Set rli->offset_align properly.
4808 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4810 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
4811 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
4812 PARM_BOUNDARY): Remove unnecessary casts.
4814 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
4816 * calls.c (precompute_arguments): Remove must_preallocate and
4818 (expand_call): Update call of precompute_arguments.
4820 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
4821 check_insn_for_givs): Break out from ...
4822 (strength_reduce) ... here; use for_every_insn_in_loop to call
4823 check_insn_for_givs.
4824 * loop.h (for_every_insn_in_loop): Declare.
4825 (loop_insn_callback): New type.
4827 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4829 * cpplib.c (do_pragma_poison): Strings in the token buffer are
4832 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
4834 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
4837 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
4839 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
4841 * configure.in: Delete --disable-cpplib option and all
4842 references to cpp_main.
4843 * configure: Regenerate.
4844 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
4845 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
4846 cccp.o, cccp, or cppmain. Link cppmain.o straight to
4847 cpp$(exeext). Add --no-headers to makeinfo command line when
4848 generating INSTALL. Install and uninstall cpp.1 manpage, not
4850 * install.texi: Delete all references to cexp.y/cexp.c.
4851 Delete ancient instructions for compiling GCC on 3b1.
4852 * INSTALL: Regenerate.
4854 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
4855 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
4856 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
4858 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
4859 which is no longer tested anywhere.
4861 * cppinit.c (handle_option): Don't run error message through
4864 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4866 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
4867 * cpperror.c (hashtab.h): Now include.
4868 * cppexp.c (hashtab.h): Likewise.
4869 * cpplex.c (hashtab.h): Likewise.
4870 * cppfiles.c (hashtab.h): Likewise.
4871 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
4872 to htab_find_slot_with_hash.
4873 * cpphash.c (hashtab.h): Now include.
4874 (_cpp_lookup_slot): INSERT is now enum insert_option.
4875 * cpphash.h (_cpp_lookup_slot): Likewise.
4876 * cppinit.c (hashtab.h): Include earlier.
4877 (initialize_builtins): Pass enum to htab_find_slot.
4878 * cpplib.c (hashtab.h): Now include.
4879 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
4880 (do_pragma_poison, do_assert): Likewise.
4881 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
4882 htab_find_slot_with_hash.
4883 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
4884 * tree.c (type_hash_add): Likewise.
4885 (build1): Minor cleanup.
4887 * ggc-common.c: Add missing blanks.
4888 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
4889 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
4891 * stmt.c (mark_case_node): New function.
4892 (mark_case_nesting): Call it.
4894 * expmed.c (emit_store_flag): If comparing two-word integer
4895 with zero, can optimize NE, EQ, GE, and LT.
4897 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
4898 * conflict.c: Minor cleanups.
4899 * optabs.c: Add blank line
4900 * simplify-rtx.c: Minor cleanups.
4902 2000-04-18 Stan Cox <scox@cygnus.com>
4904 * gengenrtl.c (genlegend): Fix misspelling.
4906 2000-04-18 Robert Lipe <robertlipe@usa.net>
4908 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
4909 bitfields of the host compiler are not signed quantities.
4910 * config.in: Regenerate.
4911 * configure: Regenerate.
4912 * system.h (USE_ENUM_BITFIELDS): Added.
4913 (ENUM_BITFIELDS): Added.
4914 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
4915 (SHORT_ENUM_BUG): Deleted.
4916 * tree.h (tree_common): Members `code', `mode', `built_in_class',
4918 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
4919 (CODE_FIELD_BUG): Likewise.
4920 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
4922 * config/m68k/x-ccur (X_CFLAGS): Likewise.
4924 2000-04-18 Mark Mitchell <mark@codesourcery.com>
4926 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
4929 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4931 * cppexp.c (lex): Don't assume tokens are NUL terminated.
4932 * cpplib.c (do_include, do_import, do_include_next,
4933 read_line_number, detect_if_not_defined): Likewise.
4934 * cpphash.c (collect_expansion): Likewise.
4935 (special_symbol, _cpp_macroexpand): Check return from
4937 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
4938 macros. Delete all uses.
4940 * gcc.dg/cpp-mi.c: Add two more test cases.
4941 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
4943 2000-04-17 Richard Henderson <rth@cygnus.com>
4945 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
4946 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
4948 2000-04-17 Mark Mitchell <mark@codesourcery.com>
4950 * function.c (expand_function_start): Use hard_function_value to
4951 compute the RTL to use for DECL_RESULT.
4953 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
4955 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
4956 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4957 x86_memory_mismatch_stall): New global variables.
4958 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
4959 alloved; fix load penalties for Athlon.
4960 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
4961 x86_memory_mismatch_stall): Declare.
4962 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
4963 TARGET_MEMORY_MISMATCH_STALL): New.
4964 * i386.md (athlon scheduling parameters): Fix latencies according to
4965 Athlon Optimization Manual.
4966 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
4968 (fsqrt instruction patterns): Set athlon_decode to direct.
4969 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
4970 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
4971 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
4972 and TARGET_PARTIAL_REGISTER_STALL machines.
4973 (pushdf_nointeger): New pattern.
4974 (pushdf_integer): Rename from pushdf.
4975 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
4976 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
4978 2000-04-17 Richard Henderson <rth@cygnus.com>
4980 * loop.c (canonicalize_condition): Add WANT_REG argument.
4981 Stop the search if we match it.
4982 * expr.h (canonicalize_condition): Update decl.
4983 * predict.c (expected_value_to_br_prob): Use it. Track last
4984 expected value note.
4985 (find_expected_value): Remove.
4987 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
4989 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
4991 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
4992 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
4994 * configure.in: Call AC_FUNC_MMAP_FILE.
4995 * configure: Regenerate.
4996 * config.in: Regenerate.
4998 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
4999 * fixinc/fixincl.c: Likewise.
5001 2000-04-17 Richard Henderson <rth@cygnus.com>
5003 * builtins.c (expand_builtin_expect): New.
5004 (expand_builtin): Call it.
5005 * builtins.def (BUILT_IN_EXPECT): New.
5006 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
5007 * extend.texi: Document it.
5009 * predict.c (expected_value_to_br_prob): New.
5010 (find_expected_value): New.
5011 * basic-block.h (expected_value_to_br_prob): Declare.
5012 * toplev.c (rest_of_compilation): Invoke it.
5014 * rtl.h (NOTE_EXPECTED_VALUE): New.
5015 (NOTE_INSN_EXPECTED_VALUE): New.
5016 * rtl.c (note_insn_name): Update.
5017 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
5018 cases; handle NOTE_INSN_EXPECTED_VALUE.
5020 2000-04-17 Jakub Jelinek <jakub@redhat.com>
5022 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
5023 leaf sibcall delay slot if flag_pic.
5024 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
5026 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5028 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
5030 * fixproto: If fix-header fails, exit with an error.
5032 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
5034 * cse.c (struct check_depdendence_data): New.
5035 (check_dependence): New function.
5036 (invalidate): Use check_depdenence.
5038 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5040 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
5041 UNITS_PER_WORD is unsigned.
5043 * tree.h (struct tree_common): Remove misleading comment.
5045 2000-04-16 Dave Pitts <dpitts@cozx.com>
5047 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
5048 message in quotes. Otherwise, IBM's make program treats the '#' as the
5049 start of a comment and ignores the remainder of the line.
5051 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
5053 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
5054 * cexp.y (initialize_random_junk): Likewise.
5055 * cppfiles.c (find_include_file): Cast alloca return value.
5056 * cppinit.c (initialize_standard_includes): Likewise.
5057 * cpplib.c (cpp_define, cpp_undef): Likewise.
5058 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
5059 * final.c (output_asm_insn): Allow for holes in EBCDIC.
5060 * fold-const.c (CHARMASK): New.
5061 (real_hex_to_f): Use it.
5062 * real.c (CHARMASK): New.
5063 (etoasc, asctoeg): Use it.
5064 (asctoeg): EBCDIC lower case characters preceed upper case.
5066 * i370.c (mvs_add_label): Change spacing for coding conventions.
5067 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
5068 outputing case vectors.
5069 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
5070 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
5071 since vector in in the data CSECT.
5072 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
5073 * i370.md (Many patterns): Put the length in the XL directives.
5074 (movdi): Put back STM and MVC in definition.
5075 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
5076 pattern using the TCA.
5077 * oe.h (CPP_SPEC): Added to allow trigraphs.
5078 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
5079 not support the "long long" type.
5081 2000-04-16 Mark Mitchell <mark@codesourcery.com>
5083 * config/mips/mips-protos.h (mips_legitimate_address_p): New
5085 (mips_reg_mode_ok_for_base_p): Likewise.
5086 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
5087 (REG_OK_FOR_INDEX_P): Define unconditionally.
5088 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
5089 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
5090 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
5091 that GET_MODE_SIZE is unsigned.
5092 (mips_reg_mode_ok_for_base_p): Define.
5093 (mips_legitimate_address_p): Likewise. Adjust now
5094 that GET_MODE_SIZE is unsigned.
5095 (block_move_loop): Make the number of bytes unsigned.
5096 (expand_block_move): Likewise.
5097 (function_arg): Make the loop counter unsigned to match the
5100 2000-04-16 Richard Henderson <rth@cygnus.com>
5102 * rtl.h (enum insn_note): New enumeration. Subsume
5103 NOTE_INSN_DELETED and friends.
5104 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
5105 * rtl.c (note_insn_name): Tweak string order.
5107 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
5109 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
5112 * cpplex.c (output_line_command): Remove debugging prints.
5113 (cpp_output_tokens): Don't write out a zero-length buffer or
5114 try to see if it has a newline in it.
5115 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
5116 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
5117 the end of the loop. Use memmove. Don't read past the end of
5118 the buffer. Remove trailing newlines from error messages.
5120 2004-04-16 Neil Booth <NeilB@earthling.net>
5122 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
5123 * cpplib.c: Add new syntax flags to directive table, and
5126 2000-04-15 Ulrich Drepper <drepper@redhat.com>
5128 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
5131 2000-04-15 David Edelsohn <edelsohn@gnu.org>
5133 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
5134 * haifa-sched.c: Update -fsched-verbose comments to use "=".
5136 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5138 * Makefile.in (ggc-page.o): Now includes toplev.h.
5139 * ggc-page.c (toplev.h): Now included.
5140 (gc_time): Remove declaration.
5141 (ggc_collect): TIME now long.
5142 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
5144 * toplev.h (gc_time, parse_time, gc_time): New declarations.
5146 * toplev.c: Make *_time variable long to reduce chance of overflow.
5147 (TIMEVAR): Likewise for `otime'.
5148 (print_time): Arg is now long; compute percentage in FP and round.
5149 * toplev.h (print_time): Arg is long.
5151 * tree.c: Minor whitespace changes.
5153 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
5154 * configure: Rebuilt.
5155 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
5156 (__fixunsxfDI): Renamed from __fixunsxfdi.
5157 (__fixunsdfDI): Renamed from __fixunsdfdi.
5158 (__fixunssfDI): Renamed from __fixunssfdi.
5159 (__floatdisf): Use proper type in REP_BIT macro.
5160 (__fixunsxfSI): Renamed from __fixunsxfsi.
5161 (__fixunsdfSI): Renamed from __fixunsdfsi.
5162 (__fixunssfSI): Renamed from __fixunssfsi.
5163 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
5164 Change location of macros and upper-case some names as above.
5165 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
5166 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
5168 * varasm.c (assemble_variable): Add cast to remove warning.
5169 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
5171 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
5172 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
5173 region number to -1.
5175 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
5177 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
5178 call unshare_all_rtl.
5180 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
5182 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
5184 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
5185 Use .s1 not .s0 for all FP instructions.
5187 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
5189 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
5191 (safe_fwrite, output_line_command): New static functions.
5192 (cpp_expand_to_buffer): Now private to cpplib.
5193 (cpp_scan_buffer): Take a printer.
5195 * cpphash.h: Update prototypes.
5196 * cpplib.h: Update prototypes.
5198 (cpp_buffer): Remove last_nominal_fname.
5199 (cpp_reader): Remove lineno.
5201 * cppmain.c: Use a cpp_printer.
5202 * fix-header.c: No need to inhibit line commands. Call
5203 cpp_start_read with no printer.
5205 * cpperror.c (cpp_notice_from_errno): Provide default name.
5206 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
5207 (find_include_file, cpp_read_file): Use make_IHASH.
5208 (file_cleanup): Set control_macro and clear
5209 input_stack_listing_current here.
5210 (_cpp_execute_include): Don't output entering-file marker.
5211 * cpphash.c (special_symbol): Look for the line number in the
5212 buffer, not the reader.
5213 (_cpp_macroexpand): No need to disable line commands.
5214 (_cpp_dump_definition): No need to generate line commands.
5215 (dump_hash_helper): Remove excess newline from output.
5216 * cppinit.c (dump_special_to_buffer): No need to generate line
5218 (cpp_printer_init): New.
5219 (cpp_start_read): Take a printer, and start it up if it's not
5220 NULL. No need to generate line commands.
5221 (cpp_finish): Expect no buffers stacked at all. Take a
5222 printer argument, and flush the output buffer if it's not
5224 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
5225 Don't put two hashes at the beginning of an assertion.
5226 (cpp_get_token): Don't increment pfile->lineno or emit line
5227 commands here. Return EOF if there's no buffer when we get
5229 * cpplib.c (do_define, skip_if_group):
5230 No need to disable line commands.
5231 (_cpp_output_line_command): Delete function.
5232 (do_line): Don't emit line commands here, but set things up so
5233 they will be emitted if necessary. Use _cpp_fake_ihash to
5234 make unique nominal_fnames if necessary.
5235 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
5236 with 0 for column, not -1.
5237 (_cpp_handle_eof): Don't set the control macro here. Don't
5238 clear input_stack_listing_current here. Don't emit line
5241 2000-04-14 Geoff Keating <geoffk@cygnus.com>
5243 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
5244 always, use the default SVR4 start address.
5246 * config/rs6000/linux.h (LINK_SPEC): Don't define.
5247 (LINK_SHLIB_SPEC): Define.
5248 (LINK_START_DEFAULT_SPEC): Define.
5249 (LINK_OS_DEFAULT_SPEC): Define.
5251 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
5253 * config/rs6000/eabi.asm (__eabi): Call __init rather than
5254 __do_global_ctors to handle constructors.
5255 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
5256 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
5257 (STARTFILE_MVME_SPEC): Likewise.
5258 (STARTFILE_SIM_SPEC): Likewise.
5259 (ENDFILE_ADS_SPEC): Use crtend.
5260 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
5261 (ENDFILE_MVME_SPEC): Likewise.
5262 (ENDFILE_SIM_SPEC): Likewise.
5263 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
5264 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
5265 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
5266 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
5267 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
5268 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
5269 (CRTSTUFF_T_CFLAGS_S): Define.
5270 * config/rs6000/eabi-ctors.c: Delete.
5272 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
5275 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
5279 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
5281 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
5282 plus mask size is smaller or equal to the mode size.
5284 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5286 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
5289 * expr.c (reload.h): Now included.
5290 (emit_block_move): Set volatile_ok when checking for movstr.
5291 (emit_move_1): Check for replacements in addresses in multi-word case.
5292 * Makefile.in (expr.o): Now includes reload.h.
5294 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
5295 Never have a LIBCALL end a basic block.
5296 (find_basic_blocks_1): Likewise.
5297 Reorganize CALL_INSN cases.
5299 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
5301 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
5303 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
5304 completers from mov.ret instruction.
5306 2000-04-14 Richard Henderson <rth@cygnus.com>
5308 * fold-const.c (extract_muldiv): Don't distribute and widen
5309 multiply across plus for non-sizetype unsigned types.
5311 2000-04-14 Richard Henderson <rth@cygnus.com>
5313 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
5314 If the original source is dead in the incr insn, it's dead now.
5316 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5318 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
5319 see if DECL_BIT_FIELD needs to still be set.
5321 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
5323 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
5324 print_int_cst_octal with something that's not an INTEGER_CST.
5326 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
5327 and not a SUBREG to a FLOAT rtl.
5329 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
5331 * emit-rtl.c (try_split): Avoid infinite loop if the split
5332 results in a sequence that contains the original insn.
5334 2000-04-13 Andreas Jaeger <aj@suse.de>
5336 * config/mips/mips.c (expand_block_move): Pass alignment
5337 argument to move_by_pieces in bits, not bytes.
5339 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
5340 __pic__ for little endian.
5342 2000-04-13 Andreas Jaeger <aj@suse.de>
5344 * config/i386/i386-protos.h: Add prototype for
5345 uno_comparison_operator.
5347 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5349 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
5350 * calls.c (ECF_PURE): New flag.
5351 (emit_call_1): Handle ECF_PURE calls.
5352 (initialize_argument_information): Unset ECF_PURE flag too.
5353 (precompute_arguments): Precompute for ECF_PURE too.
5354 (expand_call): Handle ECF_PURE calls too.
5355 (emit_library_call_value_1): Rename no_queue argument to fn_type,
5356 accept value of 2 as pure function.
5357 (emit_library_call_value, emit_library_call): Rename no_queue argument
5359 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
5361 * tree.h (DECL_IS_PURE): New macro.
5362 (struct tree_decl): Add pure_flag.
5363 * c-common.c (enum attrs): Add attribute "pure".
5364 (init_attributes): Initialize attribute "pure"
5365 (decl_attributes): Handle attribute "pure".
5366 * extend.texi (Attribute "pure"): Document.
5367 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
5369 (flags_from_decl_or_type): Support attribute "pure".
5371 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
5373 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
5374 the token except for numbers and identifiers.
5376 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
5378 * i386.c (ix86_expand_binary_operator,
5379 ix86_expand_unary_operator): Check no_new_pseudos
5380 instead of reload_in_progress and reload_completed.
5381 (ix86_split_ashldi, ix86_split_ashrdi,
5382 ix86_split_lshrdi): Check no_new_pseudos instead
5383 of reload_completed.
5385 2000-04-12 Jeffrey A Law (law@cygnus.com)
5387 * function.c (purge_addressof): Unshare any shared rtl created by
5388 purge_addressof and its children.
5390 2000-04-12 Mark Mitchell <mark@codesourcery.com>
5392 * function.c (aggregate_value_p): VOID_TYPE nodes are never
5395 2000-04-05 Andreas Jaeger <aj@suse.de>
5397 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
5398 not compiling PIC code, add flags for mabi=64.
5399 (SUBTARGET_CPP_SIZE_SPEC): New.
5400 (SUBTARGET_CPP_SPEC): New.
5401 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
5402 for MIPS/Linux and lots of code needs these defines.
5404 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
5406 * reorg.c (fill_slots_from_thread): Check side_effects_p when
5407 trying the "opposite arithmetic" approach.
5409 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5411 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
5412 (struct sh_args): Add new field force_mem.
5413 (INIT_CUMULATIVE_ARGS): Initialize it.
5414 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
5416 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
5418 * calls.c (expand_call): Do not reverse args in "equal from" field.
5419 (emit_library_call_value_1): Emit_libcall_block for const and pure
5422 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5424 * reload1.c (reload_combine): Don't enable optimization for fixed
5425 registers when encountering a BARRIER.
5427 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
5429 * builtins.c (expand_builtin_memcmp): Do expansion even with
5430 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
5432 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
5433 stack is propertly aligned; add sanity checking for aligned
5435 (expand_library_call_value_1): Add sanity checking for aligned
5438 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
5440 * calls.c (emit_library_call_value_1): Change 3rd arg to
5441 locate_and_pad_parm to disregard the setting of partial.
5443 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5445 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
5447 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
5448 CALL_INSN from the normal case.
5450 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
5452 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5453 New global variables.
5454 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
5456 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
5458 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
5459 TARGET_ADD_ESP_8): New macros.
5460 * i386.md: Add peep2s to convert esp adjustments to push and pop
5462 (pushsi_prologue, popsi_epilogue): New patterns.
5464 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5466 * real.c (toe64): Remove stale #endif from the last change.
5468 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
5470 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
5471 * real.c (toe64): Revert previous change.
5473 2000-04-12 Jakub Jelinek <jakub@redhat.com>
5475 * objc/objc-act.c: Include ggc.h.
5476 (objc_tree_index, objc_global_trees): Convert most of the
5477 static tree variables into a static array with previous names
5479 (objc_ellipsis_node): New variable.
5480 (lang_init): Call objc_act_parse_init and c_parse_init.
5481 Create objc_ellipsis_node.
5482 (build_selector_translation_table): Use objc_ellipsis_node instead
5484 (hack_method_prototype): Likewise.
5485 (get_arg_type_list): Likewise.
5486 (start_method_def): Likewise.
5487 (continue_method_def): Likewise.
5488 (gen_method_decl): Likewise.
5489 (ggc_mark_imp_list): New function.
5490 (ggc_mark_hash_table): New function.
5491 (objc_act_parse_init): New function.
5492 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
5493 * c-parse.in (c_parse_init): For objc add roots of objc specific
5494 local tree variables.
5495 * objc/objc-parse.y: Rebuilt.
5496 * objc/objc-parse.c: Rebuilt.
5497 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
5499 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
5501 * cse.c (delete_trivially_dead_insns): Also delete insns
5502 that copy a register to itself where the destination is
5505 2000-04-11 Richard Henderson <rth@cygnus.com>
5507 * flow.c (struct propagate_block_info): Add new_dead, new_live.
5508 (propagate_block): Initialize them. Use them in parallel instead
5509 of one tmp variable, ie revert much of the 0408 and 0407 functional
5510 changes, but keep the structural changes.
5511 (mark_set_regs): Take new_dead from propagate_block_info instead.
5512 (mark_set_1, mark_set_reg): Likewise.
5513 (mark_used_regs): Likewise with new_live.
5514 (mark_used_reg): Likewise. Revert 0408 change.
5516 2000-04-11 Nick Clifton <nickc@cygnus.com>
5518 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
5520 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
5522 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5524 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
5525 const section to output a CONSTRUCTOR based on the same conditions
5528 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
5530 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
5531 * pa/pa-protos.h (output_call): Add additional argument indicating
5532 if the call is a sibling/tail call.
5533 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
5534 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
5535 (function_arg, function_arg_partial_nregs): Likewise
5536 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
5537 (emit_move_sequence): Zero extend certain constants as needed
5539 (compute_zdepdi_operands, output_64bit_and): New functions.
5540 (output_64bit_ior, function_arg): Likewise.
5541 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
5542 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
5543 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
5544 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
5545 (output_bvb): Likewise.
5546 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
5547 (output_call): New argument 'sibcall'. Generate sibcall sequences
5549 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
5550 (ouput_arg_descriptor): Do not emit argument descriptors for
5552 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
5554 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
5555 (FUNCTION_OK_FOR_SIBALL): Define.
5556 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
5557 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
5558 (CPP_SPEC): Use new spec infrastructure.
5559 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
5560 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
5561 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
5562 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
5563 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
5564 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
5565 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
5566 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
5567 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
5568 (FUNCTION_ARG); Call out to C code.
5569 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
5570 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
5571 (MIN_UNITS_PER_WORD): Likewise.
5572 * pa/pa.md (cmpdi): New expander.
5573 (scc patterns, movstrsi): Not available for TARGET_64BIT.
5574 (64bit conditional arithmetic): New patterns.
5575 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
5576 (movsicc): Not available if modes on all the operands to not match.
5577 (movdicc): New expander and associated patterns.
5578 (64bit branches): New patterns.
5579 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
5580 (pre_ldd, post_std): New patterns.
5581 (64bit addil, load low part): New patterns.
5582 (special movsf constant): Not available for TARGET_64BIT.
5583 (movsf, movdf expanders): Force constants into memory.
5584 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
5585 (64bit movdf/movdi patterns): New patterns.
5586 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
5588 (extendqidi2, extendhidi2, extendsidi2): Similarly.
5589 (adddi3 expander): Allow "arith_operand" for second input.
5590 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
5591 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
5592 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
5593 (muldi3): New expander for TARGET_64BIT.
5594 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
5596 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
5597 patterns for TARGET_64BIT.
5598 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
5599 patterns for TARGET_64BIT.
5600 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
5601 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
5602 (sibcall_epilogue): New expander.
5603 (casesi): Tweak for TARGET_64BIT.
5604 (call expanders): Set & use the outgoing argument pointer. Use the
5605 64bit call patterns as needed. Add additional arg to output_call.
5606 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
5607 (sibcall, sibcall_internal_symref): New expanders.
5608 (sibcall_value, sibcall_value_internal_symref
5609 (interspace_jump): Turn into an expander + matching patterns.
5610 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
5611 * pa/pa64-regs.h: Eliminate trigraph sequences.
5612 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
5614 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
5616 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
5617 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
5618 cpp_token with cpp_ttype everywhere.
5619 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
5620 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
5621 CPP_BUF_COL. Line and column numbers are unsigned int, not
5623 * cpplex.c (cpp_buf_line_and_col): Delete.
5624 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
5625 'long lineno' to 'unsigned int lineno'.
5626 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
5628 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5630 * extend.texi: ISO C99 is not a draft anymore.
5631 * invoke.texi: ISO C++ is not a draft anymore.
5632 * cpp.texi: __cplusplus is required by the ISO standard.
5634 * extend.texi (-fthis-is-variable): Undocument.
5635 * flags.h (warn_template_debugging): Remove declaration.
5636 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
5637 -Wenum-clash, -Wtemplate-debugging): Undocument.
5639 2000-04-10 Nick Clifton <nickc@cygnus.com>
5641 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
5643 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
5645 (ARM_SIGN_EXTEND): Use HOST_UINT.
5646 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
5647 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
5648 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
5649 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
5651 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
5652 (arm_gen_constant): Use HOST_UINT.
5653 (arm_canonicalize_constant): Use HOST_UINT.
5654 (arm_reload_in_hi): Use HOST_UINT.
5655 (arm_reload_out_hi): Use HOST_UINT.
5656 (output_multi_immediate): Use HOST_UINT.
5657 (int_log2): Use HOST_UINT.
5658 (arm_poke_function_name): Use HOST_UINT.
5659 (arm_output_epilogue): Use arm_volatile_func().
5660 (output_thumb_prologue): Use arm_strip_name_encoding().
5662 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5664 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
5665 of sequence point problems.
5667 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
5669 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
5671 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
5673 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5675 * sbitmap.h: Whitespace changes and use upper-case macro args.
5676 (struct simple_bitmap_def): All sizes now unsigned.
5677 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
5678 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
5679 (sbitmap_vector_alloc): Parms and local vars now unsigned.
5680 (sbitmap_zero): Cast bzero arg to PTR.
5681 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
5682 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
5683 loop to make structure clearer.
5684 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
5685 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
5686 (sbitmap_a_and_b_or_c): Likewise.
5687 (sbitmap_intersection_of_succs): Minor cleanups.
5688 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
5689 (sbitmap_union_of_preds): Likewise.
5690 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
5691 (debug_sbitmap): New function.
5693 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
5694 * c-typeck.c (convert_for_assignment): Likewise.
5696 * expmed.c (init_expmed): Don't free objects we make.
5697 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
5699 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
5700 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
5702 * gcse.c (expr_hash_table_size): Now unsigned.
5703 (compute_ae_gen): Local variable `i' now unsigned.
5704 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
5705 (compute_transout, hoist_code): Likewise.
5706 (compute_local_properties): Likewise, also hash_table_size.
5707 (alloc_expr_hash_table): N_INSNS now unsigned.
5708 (delete_null_pointer_checks): Mark arg F as unused.
5710 * regrename.c: Minor cleanups, including chang some variables
5713 2000-04-10 Neil Booth <NeilB@earthling.net>
5715 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
5717 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
5719 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5721 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
5722 __classof__, and __headof__ from the list of gnu keywords.
5723 (-ansi): Remove -foperator-names from list of implied options.
5724 Do not call it ANSI C++.
5725 (-foperator-names): Document as -fno-operator-names.
5727 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
5729 * cpphash.c (timestamp): Delete.
5730 (del_HASHNODE): If type is T_MCONST, free value.cpval.
5731 (special_symbol): Remove unnecessary braces. Remove
5732 T_VERSION. Treat T_STDC like T_CONST unless
5733 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
5734 when one is encountered, then convert them into T_MCONST
5736 * cppinit.c (builtin_array): version_string is T_MCONST.
5737 __STDC__ has a "1" in its cpval. Don't have a terminator
5738 entry. Clean up which entries are dumped.
5739 (initialize_builtins): Only __STDC__ gets the special
5740 -traditional treatment. Count the length of builtin_array.
5741 Render version_string here.
5742 * cpphash.h: Remove T_VERSION. Add T_MCONST.
5743 * cpplib.h (struct cpp_reader): Remove timebuf.
5745 2000-04-09 Richard Henderson <rth@cygnus.com>
5747 * genrecog.c (pred): Update comparison_operator for the unordered
5750 * config/i386/i386.c (no_comparison_operator): Disallow unordered
5752 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
5753 (uno_comparison_operator): New.
5754 (put_condition_code): Handle UNORDERED/ORDERED.
5755 (unsigned_comparison): Likewise.
5756 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
5757 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
5758 (ix86_expand_fp_compare): Use them. Take scratch as argument,
5759 update all callers. Handle all 8 unordered operators.
5760 (ix86_expand_setcc): Lose the unordered argument, update all callers.
5761 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
5762 * config/i386/i386.h (PREDICATE_CODES): Update.
5763 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
5764 (ix86_expand_branch, ix86_expand_setcc): Update.
5765 * config/i386/i386.md (sunordered, sordered): New.
5766 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
5767 (bunordered, bordered): New.
5768 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
5769 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
5770 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
5772 2000-04-09 Philip Blundell <philb@gnu.org>
5774 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
5776 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
5778 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
5779 fix_truncxfhi2): New patterns.
5780 * i386.c (output_fix_trunc): Handle converting to HImode.
5782 2000-04-08 Alex Samuel <samuel@codesourcery.com>
5784 * ssa.c (convert_to_ssa): Eliminate dead code when calling
5786 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
5787 (for_each_successor_phi): Change parameter to basic_block.
5788 (coalesce_regs_in_successor_phi_nodes): Likewise.
5789 (coalesce_regs_in_copies): Likewise.
5790 (compute_coalesced_reg_partition): Use basic_block instead of index.
5791 * rtl.h (convert_to_ssa): Delete.
5792 (convert_from_ssa): Likewise.
5793 (successor_phi_fn): Likewise.
5794 (for_each_successor_phi): Likewise.
5795 (in_ssa_form): Likewise.
5796 * basic-block.h (convert_to_ssa): Moved from rtl.h.
5797 (convert_from_ssa): Likewise.
5798 (successor_phi_fn): Likewise.
5799 (in_ssa_form): Likewise.
5800 (for_each_successor_phi): Likewise. Change parameter to basic_block.
5801 * flow.c (calculate_global_regs_live): Pass a basic_block to
5802 for_each_successor_phi.
5804 2000-04-08 Richard Henderson <rth@cygnus.com>
5806 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
5807 was modified in the current insn.
5809 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5811 * arm/thumb.md: Delete.
5812 * arm/thumb-protos.h: Delete.
5814 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5816 Merge changes from merged-arm-thumb-backend-branch onto trunk.
5818 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
5820 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
5823 * arm.md (nop): Use the standard RTL expression. Don't code as a
5825 (*arm_nop, *thumb_nop): Delete.
5827 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
5828 constants. Use casts instead.
5829 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
5830 output_multi_immediate, arm_poke_function_name): Likewise.
5831 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
5832 MASK_RETURN_ADDDR): Likewise.
5834 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
5836 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
5839 * arm.md (eh_epilogue): New function.
5840 * arm.h (struct machine_function): Move to here ...
5841 * arm.c: ... from here.
5842 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
5843 (thumb_exit): Extra parameter eh_ofs. All callers changed.
5844 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
5846 2000-03-30 Nick Clifton <nickc@cygnus.com>
5848 * config/arm/semi.h (ASM_SPEC): Restore definition.
5849 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5851 * config/arm/elf.h (ASM_SPEC): Restore definition.
5852 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
5854 * config/arm/arm.h (ASM_SPEC): Remove definition.
5855 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
5857 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
5859 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
5861 2000-03-24 Nick Clifton <nickc@cygnus.com>
5863 Various formating tidyups, elimination of compile time
5864 warnings and synchronisation with internal sources:
5866 * config/arm/arm-protos.h (assemble_align): Add prototype.
5867 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5868 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5869 (arm_return_addr_rtx): Rename to arm_return_addr.
5871 * config/arm/arm.c: Include except.h.
5872 Define shorter typenames for strict minipool_node and struct
5874 (arm_return_in_memory): For WinCE return all structures <= 32 bits
5876 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
5877 (gen_comapre_reg): Rename to arm_gen_compare_reg.
5879 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
5881 (ASM_SPEC): Define if not already defined.
5882 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
5884 * config/arm/arm.md: Rename references to gen_rotated_half_load to
5885 arm_gen_rotated_half_load, and references to gen_comapre_reg to
5886 arm_gen_compare_reg.
5887 (indirect_jump): Only accept register operands.
5888 (load_indirect_jump): Keep this pattern since combine can generate
5891 * config/arm/coff.h: Include aout.h.
5892 (MULTILIB_DEFAULTS): Only define if not already defined.
5894 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
5895 into arm.h (so that COFF ports can support thumb based aliases).
5896 (ASM_SPEC): Move definition into arm.h
5898 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
5899 redundant apcs spec.
5900 (ASM_SPEC): Move definition to arm.h
5902 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
5904 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
5905 for entries in the .bss section
5907 2000-03-23 Nick Clifton <nickc@cygnus.com>
5909 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
5910 to thumb_far_jump_used_p.
5912 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
5913 single integer parameter.
5915 * config/arm/arm.c (struct machine_function): Add two new
5916 fields, 'far_jump_used' and 'arg_pointer_live'.
5917 (thumb_far_jump_used_p): Once the decision has been made that
5918 far jumps might be used, always return true.
5919 If being called from the initial elimination offset macro then
5920 do not bother to perform the test if the arg pointer is not
5922 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
5923 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
5925 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
5927 * arm.c (output_return_instruction): Handle more cases where we can
5928 return from a function with an ldr instruction.
5929 (arm_output_epilogue): Likewise.
5931 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
5932 if we need to push a large stack frame and there are no callee-saved
5935 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
5936 in ARM code if the frame pointer has been eliminated.
5938 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
5939 unspec_volatile arguments to avoid duplicates.
5940 (consttable_1, consttable_2): Fixes for big-endian mode.
5942 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
5945 Re-write constant pool code.
5946 * arm.c (minipool_node, minipool_fix): New types.
5947 (minifix): Delete type.
5948 (arm_add_minipool_constant): Delete.
5949 (arm_compute_minipool_offsets, arm_find_barrier,
5950 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
5951 (get_jump_table_size): Now returns HOST_WIDE_INT.
5952 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
5954 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
5955 (assign_minipool_offsets, arm_print_value): Likewise.
5956 (dump_minipool): Rewrite.
5957 (arm_barrier_cost): New function.
5958 (create_fix_barrier): New function.
5959 (push_minipool_barrier): New function.
5960 (push_minipool_fix): Record additional information about the fixup
5962 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
5963 check the mode of what needs fixing.
5964 (arm_reorg): Rewrite.
5966 2000-03-08 Nick Clifton <nickc@cygnus.com>
5968 * config/arm/arm.md (indirect_jump): Force constant addresses into
5971 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
5973 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
5975 2000-02-24 Nick Clifton <nickc@cygnus.com>
5977 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
5978 adjust is word aligned.
5979 (thumb_expand_epilogue): Make sure that stack adjust is word
5982 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
5984 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
5986 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
5987 pointer relative addresses.
5989 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
5991 * arm.c (find_barrier): Find the last barrier within the allowed
5994 2000-02-09 Nick Clifton <nickc@cygnus.com>
5996 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
5998 2000-02-09 Nick Clifton <nickc@cygnus.com>
6000 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
6001 ARM_FUNCTION_PROFILER.
6003 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
6004 ARM_FUNCTION_PROFILER.
6006 * config/arm/linux-oldld.h: Imported from mainline sources.
6008 2000-02-07 Nick Clifton <nickc@cygnus.com>
6010 * config/arm/lib1funcs.asm: Merge in thumb functions from
6013 * config/arm/lib1thumb.asm: Delete.
6015 2000-02-04 Nick Clifton <nickc@cygnus.com>
6017 * config/arm/arm.c: Sychronised with current Red hat local
6019 * config/arm/arm.h: Ditto.
6020 * config/arm/arm-protos.h: Ditto.
6022 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
6024 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
6026 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
6029 2000-02-02 Nick Clifton <nickc@cygnus.com>
6031 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
6033 * config/arm/arm.md (epilogue): Fix rtl checking abort because
6034 (return) was emited using an emit_insn() call.
6036 2000-01-31 Nick Clifton <nickc@cygnus.com>
6038 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
6040 (thumb_exit): Move frame pointer back into hard frame pointer
6041 register if backtracing is being used.
6043 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
6045 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
6048 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
6050 * config/arm/arm.md (neg_pool_offset): Provide default for new
6052 (arm_movsi_insn): Add neg_pool_offset attribute.
6053 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
6054 rtx for the insn that starts the scan and an unsigned long for its
6055 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
6056 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
6057 instructions in *PINSERTED.
6058 (struct minipool_fixup): Add MIN_ADDRESS elt.
6059 (sort_fixups): Compute it.
6060 (arm_reorg): Changes to support inserting pools before the insn to be
6063 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6065 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
6066 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
6067 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
6069 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
6071 * config/arm/semi.h (TARGET_VERSION): Do not define if already
6073 (TARGET_DEFAULT): Do not define if already defined.
6075 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
6077 * config/arm/arm.md (anddi3): Allow disjoint source operands.
6078 (iordi3): Allow disjoint source operands.
6079 (xordi3): Allow disjoint source operands.
6080 (negdi2): Permit construction for ARM and Thumb.
6081 (arm_negdi2): Renamed version of old negdi2 pattern.
6082 (thumb_negdi2): New pattern: Only permit non-overlapping
6083 source and destination.
6085 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
6087 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
6088 scratch low register so that it will not be deleted.
6090 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
6092 * config/arm/pe.h (ARM_PE): Define.
6094 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
6095 interfacearm attribute if this is a PE toolchain.
6096 (output_return_instruction): Do not emit anything if the function
6097 has the naked attribute set.
6098 (is_called_in_ARM_mode): If the function has the interfacearm
6099 attribute then return true.
6100 (thumb_expand_prologue): Do not generate a prologue for naked
6102 (thumb_expand_epilogue): Do not generate an epilogie for a naked
6104 (output_thumb_prologue): Do not bother if the function is naked.
6105 Strip PE encoding from function name before emitting.
6107 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
6109 * arm.md (pic_load_addr): Fix constraints.
6111 * arm.md (casesi_insn): Fix mis-applied patch.
6113 * arm.md ("core" function unit): Add rules for single- and
6115 (All TARGET_THUMB patterns): Add "type" attribute information
6117 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
6118 the following insn is a CALL.
6120 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
6122 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
6123 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
6124 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
6126 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
6128 * config/arm/linux-gas.h: oops - this file was missed out when the
6129 branch was created...
6131 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
6133 * thumb.c: Deleted. Move contents to ...
6135 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
6137 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
6140 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
6141 declare a prototype for asm_output_align();
6143 * arm.c (thumb_condition_code): Delete.
6144 (arm_print_operand): Always use arm_condition_code array.
6146 * arm.c (thumb_return_addr_rtx): Delete.
6147 (arm_save_machine_status, arm_restore_machine_status): Delete.
6148 (arm_init_machine_status, arm_mark_machine_status): New functions.
6149 (arm_init_expanders): Update accordingly.
6150 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
6151 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
6152 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
6154 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
6156 * configure.in : Fix arm-*-aout target to use new t-arm-aout
6158 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
6161 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
6163 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
6164 stack backtrace structure.
6166 * config/arm/arm-protos.h: Add prototypes for functions defined in
6169 * config/arm/arm.c (arm_override_options): Fix selection of
6170 attributes of default processor.
6172 * config/arm/coff.h: Delete needless #include.
6174 * config/arm/pe.c: Delete unused code.
6176 * config/arm/pe.h (CPP_DEFINES): Delete
6177 (SUBTARGET_CPP_SPEC): Define.
6178 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
6180 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
6182 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
6184 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
6186 (CAN_DEBUG_WITHOUT_FP): Define.
6187 (FIXED_REGISTERS): Make r11 call-saved.
6188 (CALL_USED_REGISTERS): Likewise.
6189 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
6190 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
6191 frame-pointer is required.
6192 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
6193 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
6194 if the target normally needs a stack frame in non-leaf functions.
6195 (use_return_insn): Correct logic for determining when a return
6196 instruction can be used.
6197 (output_return_instruction): Handle the frame-pointer register as
6198 a normal register when not TARGET_APCS_FRAME.
6199 (arm_output_prologue): Likewise.
6200 (arm_output_epilogue): Likewise.
6201 (output_func_epilogue): Likewise.
6202 (arm_expand_prologue): Likewise.
6203 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
6205 * arm.c (use_return_insn): No need to check floating point regs if
6207 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
6208 the code of value stored in the minipool array.
6209 (arm_add_minipool_constant): Likewise.
6211 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6213 * basic-block.h (conflict_graph_enum_fn): K&R fix.
6215 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6217 * tree.c (tree_expr_nonnegative_p): New function.
6219 * tree.h (tree_expr_nonnegative_p): Declare.
6221 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
6222 elide some sign_compare warnings.
6223 (build_conditional_expr): Likewise.
6225 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
6227 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
6229 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
6230 * i386.c (print_operand): Use the proper suffix for a 387 HImode
6231 operand. Abort if a 387 operand has an unsupported size.
6233 2000-04-08 Neil Booth <NeilB@earthling.net>
6235 * cppexp.c (parse_charconst): Null does not end character
6237 * cppinit.c (ISTABLE): Null character handled as whitespace.
6238 * cpplex.c (null_warning): new function.
6239 (skip_string): Emit warning if nulls encountered.
6240 (_cpp_skip_hspace): Emit warning if nulls encountered.
6241 (_cpp_lex_token): Emit warning if nulls encountered. Drop
6245 2000-04-07 Richard Henderson <rth@cygnus.com>
6247 * flow.c (loop_depth): Remove.
6248 (reg_next_use, cc0_live, mem_set_list): Replace with ...
6249 (struct propagate_block_info): New.
6250 (life_analysis): Don't allocate reg_next_use.
6251 (propagate_block_delete_insn): Break out of propagate_block.
6252 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
6253 (propagate_block_delete_libcall): Likewise.
6254 (propagate_block): Create a propagate_block_info struct to pass
6255 to subroutines. Allocate one not two temporary regsets. Don't
6256 clobber memory for const calls. Look for clobbers in
6257 CALL_INSN_FUNCTION_USAGE.
6258 (mark_set_regs): Recognize COND_EXEC.
6259 (mark_set_reg): Break out of mark_set_1.
6260 (mark_used_reg): Break out of mark_used_regs.
6261 (mark_used_regs): Recognize COND_EXEC.
6262 (insn_dead_p): Use propagate_block_info struct.
6263 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
6264 (find_auto_inc, try_pre_increment_1): Likewise.
6265 (print_rtl_with_bb): Dump regs live at end too.
6266 (count_reg_sets_1): Pass in loop_depth.
6267 (count_reg_sets, count_reg_references): Likewise.
6268 (recompute_reg_usage): Provide it.
6270 2000-04-07 Richard Henderson <rth@cygnus.com>
6272 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
6275 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
6277 * cpplib.c (do_elif): Skip the rest of the line if we're
6278 not going to bother evaluating it.
6279 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
6280 to avoid pointless calls to the lexer.
6282 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
6284 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
6286 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
6288 * calls.c (expand_call): emit_queue if we're trying a sibcall.
6290 2000-04-07 Jakub Jelinek <jakub@redhat.com>
6292 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
6294 2000-04-06 Geoff Keating <geoffk@cygnus.com>
6296 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
6297 crtend so they can be multilibbed.
6298 (STAGESTUFF): Remove s-crt and s-crtS.
6300 2000-04-07 Richard Henderson <rth@cygnus.com>
6302 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
6303 if we discover we need a pseudo and no_new_pseudos is true.
6304 * config/alpha/alpha.md (ne:DI insn): New.
6305 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
6307 2000-04-07 Richard Henderson <rth@cygnus.com>
6309 * rtl.def (COND_EXEC): New.
6310 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
6311 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
6313 * genconfig.c (have_cond_arith_flag): Remove.
6314 (have_cond_exec_flag): New.
6315 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
6316 (main): Print HAVE_conditional_execution.
6318 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
6319 (sched_analyze_insn, print_pattern): Likewise.
6320 * reload.c (find_equiv_reg): Likewise.
6321 * rtlanal.c (reg_referenced_p): Likewise.
6322 (note_stores, dead_or_set_regno_p): Likewise.
6323 (reg_overlap_mentioned_p): Rewrite to use a switch.
6325 * ggc.h (struct rtx_def): Forward declare.
6327 * print-rtl.c (debug_rtx_range): New.
6328 * rtl.h (debug_rtx_range): Declare.
6330 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
6332 * gcse.c (gcse_main): Don't rebuild the CFG here.
6333 (delete_null_pointer_checks): Likewise.
6334 * ssa.c (convert_to_ssa): Likewise.
6335 * toplev.c (rest_of_compilation): Do it here instead. Combine
6336 sequential calls to TIMEVAR. Consistently use `insns' instead of
6337 `get_insns()'. Always split insns after reload when optimizing.
6339 * basic-block.h (merge_blocks_nomove): Declare.
6340 (tidy_fallthru_edge): Declare.
6341 * flow.c (merge_blocks_nomove): Document as merging into previous
6342 blocks. Remove cruft from between blocks; remove all edges out of A.
6343 (tidy_fallthru_edge): Export.
6345 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6347 * ssa.c (compute_conservative_reg_partition): Declare with
6349 * toplev.c (clean_dump_file): Remove previously-deleted function
6350 inadvertantly merged back in.
6351 * conflict.c (conflict_graph_add): Use a single call to
6352 htab_find_slot to look up and insert.
6354 2000-04-06 Richard Henderson <rth@cygnus.com>
6356 * genrecog.c (*): Rename _last_insn to last_insn.
6357 (make_insn_sequence): Set the position of the peephole2 C test
6358 to be at the last insn.
6360 2000-04-06 Richard Henderson <rth@cygnus.com>
6362 * flow.c (compute_flow_dominators): Free worklist.
6364 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
6366 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
6368 2000-04-06 Alex Samuel <samuel@codesourcery.com>
6370 * rtl.h (INSN_P): New macro.
6371 (successor_phi_fn): New typedef.
6372 (for_each_successor_phi): New prototype.
6373 (in_ssa_form): New variable.
6374 (PHI_NODE_P): Likewise.
6375 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
6376 phi nodes in successors.
6377 (mark_used_regs): Add PHI case.
6378 (set_phi_alternative_reg): New function.
6379 (life_analysis): Assert that dead code elimination is not selected
6381 * toplev.c (to_ssa_time): New variable.
6382 (from_ssa_time): Likewise.
6383 (compile_file): Zero to_ssa_time and from_ssa_time.
6384 Print time to convert to and from SSA.
6385 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
6386 (print_time): Compute percent fraction as integer.
6387 * ssa.c (PHI_NODE_P): Moved to rtl.h.
6388 (convert_to_ssa): Check if we're already in SSA.
6389 Don't eliminate dead code in life_analysis.
6390 Rerun flow and life analysis at bottom.
6391 (eliminate_phi): Use canonical regnos when adding nodes.
6392 (mark_reg_in_phi): New function.
6393 (mark_phi_and_copy_regs): Likewise.
6394 (convert_from_ssa): Rerun life analysis at top.
6395 Use coalesced partition.
6396 Check for removing a phi node at the end of the block.
6397 (compute_coalesced_reg_partition): New function.
6398 (coalesce_regs_in_copies): Likewise.
6399 (coalesce_reg_in_phi): Likewise.
6400 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
6401 (for_each_successor_phi): Likewise.
6402 (rename_context): New struct.
6403 (rename_block): Use a rename_context with rename_insn_1. When
6404 renaming sets of a subreg, emit a copy of the entire reg first.
6405 (rename_insn_1): Treat data as a rename_context *. Save current
6407 (rename_set_data): Add field set_insn.
6408 * Makefile.in (HASHTAB_H): Move up in file.
6409 (OBSTACK_H): New macro.
6410 (collect2.o): Use OBSTACK_H in dependencies.
6411 (sdbout.o): Likewise.
6412 (emit-rtl.o): Likewise.
6413 (simplify-rtx.o): Likewise.
6414 (fix-header.o): Likewise.
6415 (OBJS): Add conflict.o.
6416 (conflict.o): New rule.
6417 * basic-block.h: Include partition.h.
6418 (conflict_graph): New typedef.
6419 (conflict_graph_enum_fn): Likewise.
6420 (conflict_graph_new): New prototype.
6421 (conflict_graph_delete): Likewise.
6422 (conflict_graph_add): Likewise.
6423 (conflict_graph_conflict_p): Likewise.
6424 (conflict_graph_enum): Likewise.
6425 (conflict_graph_merge_regs): Likewise.
6426 (conflict_graph_print): Likewise.
6427 (conflict_graph_compute): Likewise.
6428 * conflict.c: New file.
6430 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
6432 * tlink.c (read_repo_files): Don't look for .rpo info for
6435 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6437 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
6439 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6441 * config/sh/lib1funcs.asm (___udivsi3_i4):
6442 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
6443 only depends on FMOVD_WORKS.
6445 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6447 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
6448 make double constant 8-byte aligned.
6450 2000-04-06 Jakub Jelinek <jakub@redhat.com>
6452 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
6453 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
6454 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
6455 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
6456 Accept storing GENERAL_REGS into offsetable memory.
6457 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
6458 building a TFmode constant other than 0.0L into GENERAL_REGS.
6460 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
6462 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
6464 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
6466 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
6467 (macro_cleanup): No need to cast pbuf->macro.
6468 (collect_expansion): Use _cpp_get_define_token. Goto done if
6469 it returns VSPACE. Remove check for trailing space after
6471 (_cpp_create_definition): Don't diddle flags here. Return
6473 (unsafe_chars): Handle c1 being EOF.
6474 (push_macro_expansion): Use unsafe_chars for both accidental-paste
6475 checks. Don't push the buffer till after we're done with
6477 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
6478 (PEEKN, FORWARD, GETC, PEEKC): Use them.
6479 (cpp_push_buffer): Don't set new->alimit. Set new->mark
6481 (_cpp_parse_assertion): Don't NUL terminate.
6482 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
6483 hspace before calling _cpp_parse_assertion. Remove all sets
6484 of only_seen_white. Treat '\f' as hspace. Don't do anything
6485 special with '\n' here.
6486 (maybe_macroexpand): Handle T_EMPTY hash entries without
6487 pushing a buffer at all.
6488 (cpp_get_token): Handle clearing only_seen_white here. Handle
6489 incrementing the line number here. Clear
6490 potential_control_macro as well as only_seen_white, if
6492 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
6493 (_cpp_get_define_token): New function, basically like
6494 _cpp_get_directive_token was but doesn't eat horizontal space.
6495 Don't do anything with only_seen_white here.
6496 (_cpp_get_directive_token): Just call _cpp_get_define_token
6497 repeatedly till it returns non-hspace.
6499 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
6500 (conditional_skip, skip_if_group): Return int.
6501 (DIRECTIVE_TABLE): Change origin of all conditional directives
6503 (TRAD_DIRECT_P): New macro.
6504 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
6505 an error for a bogus directive, unless -lang-asm. Use
6506 TRAD_DIRECT_P. Loop calling handler functions till one returns
6508 (get_macro_name): Don't diddle flags here.
6509 (do_define): Diddle flags here. Use _cpp_get_directive_token.
6510 Create T_EMPTY nodes for #define macro /* nothing */.
6511 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
6512 Use hp->name when calling pass_thru_directive.
6513 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
6514 Return the result of conditional_skip and/or skip_if_group.
6515 Don't call _cpp_output_line_command.
6516 (consider_directive_while_skipping): Use _cpp_get_directive_token.
6517 Issue -Wtraditional warnings as appropriate. Don't complain
6518 about unrecognized directives. If we are to stop skipping,
6519 return the number of the directive that ended the skip.
6520 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
6521 expansion and line commands while skipping. Return the result
6522 of consider_directive_while_skipping, if nonzero.
6523 (do_endif): Just set potential_control_macro here.
6524 (validate_else): Use _cpp_get_directive_token.
6525 (do_assert, do_unassert): Don't save pointers into the
6526 token_buffer across calls to the lexer. Use
6527 _cpp_get_directive_token.
6529 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
6530 pointer, not an offset. Replace 'data', which was a generic
6531 pointer, with 'macro', which points to a struct hashnode.
6532 (cpp_reader): Add 'potential_control_macro' pointer.
6533 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
6534 (CPP_BUF_GET, CPP_FORWARD): Delete.
6535 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
6536 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
6537 ACTIVE_MARK_P): Update.
6538 (_cpp_get_define_token): New internal function.
6539 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
6541 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
6543 * configure.in: And here.
6544 * configure: Regenerate.
6545 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
6546 --enable-libstdcxx-v3 is passed at configure time.
6547 * config.h.in: Regenerate.
6549 2000-04-05 Mark Mitchell <mark@codesourcery.com>
6551 * final.c (final): Use xcalloc to allocate line_note_exists.
6552 * function.c (free_after_compilation): Free the temp_slots.
6553 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
6554 (combine_temp_slot): Free temp_slots when they get combined.
6555 (purge_addressof): Fix typo in comment.
6556 * stmt.c (mark_goto_fixup): Mark the fixup itself.
6557 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
6559 * ggc.h: Include varray.h.
6560 (ggc_pending_trees): Declare.
6561 (ggc_mark_tree_children): Remove declaration.
6562 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
6563 * ggc-common.c (ggc_pending_trees): New variable.
6564 (ggc_mark_roots): Call ggc_mark_trees.
6565 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
6566 the ggc_pending_trees.
6567 * Makefile.in (GGC_H): New variable. Use it throughout in place
6570 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6572 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
6575 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6577 * sh.c (sh_insn_length_adjustment): New function.
6578 * sh-protos.h (sh_insn_length_adjustment): Declare.
6579 * sh.h (ADJUST_INSN_LENGTH): Use it.
6581 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
6583 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
6584 from the insn where REG_RETVAL is added.
6585 (emit_no_conflict_block): Ditto.
6587 * md.texi (Standard Names): Clarify when movX is needed.
6589 * combine.c (simplify_comparison) [MINUS]: Do not replace
6590 all (op (minus A B) 0) with (op A B).
6592 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
6593 J"orn Rennecke <amylaar@cygnus.co.uk>
6595 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
6596 (block_lump_real): Likewise.
6598 2000-04-05 Chris Demetriou <cgd@netbsd.org>
6600 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
6601 remaining non-zero debugging masks.
6603 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
6605 * basic-block.h (verify_flow_info): Declare.
6606 (flow_loop_outside_edge_p): Declare.
6607 * flow.c (verify_flow_info): Remove declaration.
6608 (clear_log_links, flow_loop_outside_edge_p): Likewise.
6610 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
6612 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
6615 2000-04-05 Jakub Jelinek <jakub@redhat.com>
6617 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
6618 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
6619 seqdi_zero_trunc+1): Allow splits only if registers are
6622 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
6624 * acconfig.h: Add HAVE_GAS_HIDDEN.
6625 * config.in: Regenerated.
6626 * configure.in: Add test for .hidden pseudo-op in gas.
6627 * configure: Regenerated.
6628 * crtstuff.c: Include auto-host.h.
6629 Emit additional .hidden pseudo-op for __dso_handle if the
6630 assembler knows about it.
6632 2000-04-04 Philippe De Muyter <phdm@macqel.be>
6634 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
6635 before freeing argnames.
6636 * cpplib.c (do_ifndef): Cast return value of xstrdup.
6638 2000-04-05 Michael Meissner <meissner@redhat.com>
6640 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
6641 Walton <jonboy@gordian.com> to make memory references with update
6642 work wtih -mregnames.
6644 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6646 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
6647 (regrename_optimize): Rename variables `def_uses' and
6648 `ext_basic_blocks' to avoid conflicts with similarly named
6649 typedefs in traditional C.
6651 * calls.c (initialize_argument_information): Fix typo in previous
6654 2000-04-04 Richard Henderson <rth@cygnus.com>
6656 * regrename.c (consider_available): Test fixed_regs not
6657 PIC_OFFSET_TABLE_REGNUM.
6659 2000-04-04 Geoff Keating <geoffk@cygnus.com>
6661 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
6663 (CRTSTUFF_T_CFLAGS_S): Delete definition.
6664 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
6665 (ENDFILE_LINUX_SPEC): Always use crtend.
6666 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
6667 (powerpc-*-linux-gnu): Likewise.
6668 * configure: Regenerate.
6670 * config/rs6000/eabi.h: Don't include sysv4.h.
6671 (MULTILIB_DEFAULTS): Don't define.
6672 * config/rs6000/eabiaix.h: Don't include eabi.h.
6673 * config/rs6000/eabile.h: Delete.
6674 * config/rs6000/eabilesim.h: Delete.
6675 * config/rs6000/eabisim.h: Don't include eabi.h.
6676 * config/rs6000/linux.h: Don't include sysv4.h.
6677 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
6678 (MULTILIB_DEFAULTS): Don't redefine.
6679 * config/rs6000/rtems.h: Don't include eabi.h.
6680 * config/rs6000/sol2.h: Don't include sysv4le.h.
6681 * config/rs6000/sysv4le.h: Don't include sysv4.h.
6682 * config/rs6000/t-ppc: Delete.
6683 * config/rs6000/t-ppcgas: Correct comment.
6684 * config/rs6000/t-ppcos: Correct comment. Don't build
6685 multilibs for -fPIC, rather use -fPIC -mstrict-align
6687 * config/rs6000/t-ppc: Delete.
6688 * config/rs6000/vxppc.h: Don't include sysv4.h.
6689 * config/rs6000/vxppcle.h: Delete.
6690 * configure.in: Use multiple header files for p2pc ELF targets
6691 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
6692 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
6693 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
6694 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
6695 always available for these platforms.
6697 2000-04-04 Richard Henderson <rth@cygnus.com>
6699 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
6701 2000-04-04 Stan Cox <scox@cygnus.com>
6703 * Makefile.in: Add rules for regrename.o
6704 * regrename.c: New file.
6705 * rtl.h (regrename_optimize): Add prototype.
6706 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
6707 (compile_file, decode_d_option): Add support for -frename-registers.
6708 (rest_of_compilation): Call regrename_optimize.
6709 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
6712 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6714 * Makefile (gccbug): New target.
6715 (doc): Depend on it.
6716 * gcc.texi (Bugs): Link subnodes.
6718 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
6719 Document severities, priorities, and classes in bug form.
6721 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
6723 * cpplex.c (trigraph_map, speccase): Combine into single
6725 (NORMAL, NONTRI): New macros.
6726 (_cpp_read_and_prescan): Change to use unified table. Use
6727 is_hspace to test for whitespace.
6729 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
6730 definition that doesn't provoke the "empty body in an
6731 if-statement" warning.
6733 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
6735 * builtins.c (expand_builtin_strlen): Force the source to
6736 be a memory address.
6738 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6740 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
6742 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
6744 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
6745 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
6746 (ECF_IS_CONST): Rename to ECF_CONST.
6747 (special_function_p): Make static, change interface.
6748 (flags_from_decl_or_type, try_to_integrate): Break out from ...
6749 (expand_call) ... here; convert number of variables to flags.
6750 (emit_library_call_vlue_1): Likewise.
6751 (setjmp_call_p): New function.
6752 (initialize_argument_information): Accepts flags as argument;
6754 (precompute_arguments): Likewise.
6755 * tree.h (special_function_p): Remove.
6756 (setjmp_call_p): Add prototype.
6758 2000-04-04 Jakub Jelinek <jakub@redhat.com>
6760 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
6761 so that addresses are offsetable by up to 16 bytes.
6762 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
6763 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
6766 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
6767 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
6768 (movsf): Don't force any constant to memory if target is integer
6770 Move fp_zero_operand check below the const0_rtx check.
6771 (movtf): Likewise. Also allow fp_zero_operand for stores into
6773 (movdf): Likewise. Also allow fp_zero_operand for stores into
6774 memory and into integer hard registers.
6775 (clear_df, clear_dfp, movdf_const_intreg_sp32,
6776 movdf_const_intreg_sp64): Remove.
6777 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
6779 (movdf_no_e_insn_v9_sp32): New pattern.
6780 (movdf_insn_v9only): Remove.
6781 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
6782 (movdf_insn_sp64): Remove.
6783 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
6784 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
6785 (following splits): Rewrite conditions. Add two new splits
6786 for storing 0.0 into memory and registers.
6787 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
6788 (movtf_insn_sp32): Redo constraints and conditions.
6789 (movtf_insn_vis_sp32): New pattern.
6790 (movtf_no_e_insn_sp32): Redo constraints and conditions.
6791 (movtf_insn_hq_sp64): Likewise.
6792 (movtf_insn_hq_vis_sp64): New pattern.
6793 (movtf_insn_sp64): Redo constraints and conditions.
6794 (movtf_insn_vis_sp64): New pattern.
6795 (movtf_no_e_insn_sp64): Redo constraints and conditions.
6796 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
6798 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
6799 -mvis or -m64 to take down the number of various reload patterns.
6801 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
6803 * pa/pa-64.h: New file.
6804 * pa/pa64-regs.h: New file.
6805 * pa/pa64-start.h: New file.
6806 * pa/t-pa64: New file.
6807 * pa/xm-pa64hpux.h: New file.
6809 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6811 * sparc.c (output_restore_regs): Prototype.
6812 (sparc_emit_float_lib_cmp): Constification.
6814 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
6816 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
6819 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
6820 (get_value_hash, hash_rtx): Likewise.
6822 * ssa.c (compute_conservative_reg_partition): Prototype.
6824 * tree.c (mark_hash_entry): Prototype.
6826 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
6828 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
6829 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
6830 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
6832 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
6833 * objc/lang-specs.h: Likewise.
6835 2000-04-03 Neil Booth <NeilB@earthling.net>
6837 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
6838 and SYNTAX_ERROR2. Replace `' in messages with ''.
6839 (op_to_str): Make re-entrant.
6840 (_cpp_parse_expr): Implement new error macros. Use | rather
6841 than || to logically or 2 boolean integers. Simply expression
6842 checking we have a left operand iff needed.
6844 2000-04-03 Nick Clifton <nickc@cygnus.com>
6846 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
6848 2000-04-03 Philip Blundell <philb@gnu.org>
6850 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
6852 2000-04-03 Felix Lee <flee@cygnus.com>
6854 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
6855 (run_shell): Use it.
6857 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
6859 * Makefile.in (stmp-int-hdrs): Make include subdir here...
6860 (stmp-fixproto): ...rather than here.
6862 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
6864 * pa.c (print_operand): Compute 'base' only inside the code paths
6867 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
6869 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
6872 2000-04-03 Philipp Thomas <pthomas@suse.de>
6874 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
6876 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
6878 * Makefile.in (alias.o): Depend on $(TREE_H).
6880 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
6882 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
6884 * cpplib.c (_cpp_handle_directive): Improve warnings for
6885 traditional C and indented directives.
6887 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
6888 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
6889 fixinc/inclhack.def: Indent the # of #include_next one space.
6890 * cp/rtti.c: Un-indent #if and #endif.
6892 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
6893 syntax error, but an error has already been printed.
6894 * cpplex.c (_cpp_parse_assertion): Give a more specific error
6895 message when called with nothing remaining on the line.
6896 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
6897 OTHER token, not an ASSERTION.
6898 * cpplib.c (do_assert): When we create a 'base' node, clear
6899 its aschain pointer.
6901 2000-04-02 Neil Booth <NeilB@earthling.net>
6903 * cppexp.c: New typedef op_t. struct operation and struct
6904 token updated to use it.
6905 (op_to_str): New function.
6906 (_cpp_parse_expr): Error messages modified to use op_to_str.
6908 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6910 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
6911 before checking MUST_PASS_IN_STACK.
6913 2000-04-02 Neil Booth <NeilB@earthling.net>
6915 * cppexp.c: New FINISHED dummy token. Combine operator initial
6916 flags and initial priority into a single constant. New
6917 EQUALITY macro. New operator flag SHORT_CIRCUIT.
6918 (_parse_cpp_expr): Implement new constants. Take left operand
6919 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
6920 parse indicated by reducing FINISHED token. Remove new lines
6921 from cpp_error messages.
6923 2000-04-01 Mark Mitchell <mark@codesourcery.com>
6925 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
6928 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
6930 * cpplib.c: Include symcat.h. Add 'origin' field to struct
6931 directive. Add origin values to DIRECTIVE_TABLE. Generate
6932 the strings and function names on the fly. Take the #sccs
6933 entry out of the table if SCCS_DIRECTIVE is not defined.
6934 (_cpp_handle_directive): Decide if the # was at the beginning
6935 of the line here. Issue -pedantic warnings for extended
6936 directives here. Warn about K+R directives with the #
6937 indented, and C89/extended directives with the # not indented,
6939 (do_import, do_include_next, do_warning, do_ident, do_sccs,
6940 do_assert, do_unassert): Don't issue pedantic warning here.
6942 * cpphash.h: Add CPP_WTRADITIONAL macro.
6943 * cpplib.h (struct cpp_options): Rename warn_stringify to
6944 warn_traditional; update comments.
6945 * cppinit.c (handle_option): Set warn_traditional not
6947 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
6948 CPP_WTRADITIONAL (pfile).
6949 * cpplex.c (_cpp_lex_token): Don't decide if directives should
6950 be ignored in -traditional mode here.
6952 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
6953 to initialize speccase[] and trigraph_map[]. Delete all
6954 references to pfile->input_speccase. Always treat '?' as a
6955 special character. Remove table-initialization code from
6956 _cpp_init_input_buffer.
6958 * cpplib.h (struct cpp_reader): Remove input_speccase field.
6959 * cppinit.c (cpp_cleanup): Don't free input_speccase.
6961 2000-04-01 Richard Henderson <rth@cygnus.com>
6963 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
6964 (mostlyclean): Likewise.
6966 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
6967 (struct dump_file_info, enum dump_file_index, dump_file): New.
6968 (open_dump_file): Take a dump_file_index not a suffix, and a decl
6969 not a string. Clean out file if we havn't yet done so. Do nothing
6970 if the dump isn't enabled.
6971 (close_dump_file): Do nothing if the dump isn't open. Dump
6972 graph data if requested.
6973 (dump_rtl, clean_dump_file): Remove.
6974 (compile_file): Don't clean the dump files. Only finalize .bp dump
6975 if flag_test_coverage or flag_branch_probabilities. Only finalize
6976 .combine dump if optimizing. Iterate over dump_file to finalize the
6978 (rest_of_compilation): Update for open_dump_file/close_dump_file.
6979 Convert all uses of dump_rtl.
6980 (decode_d_option): Iterate over dump_file to implement 'a' and to
6981 locate pass-specific dumps.
6983 2000-04-01 Neil Booth <NeilB@earthling.net>
6985 * cppexp.c: Redefine priority constants.
6986 (_cpp_parse_expr): Replace left and right priority scheme with
6987 single priority logic. Move LOGICAL to same place as COMPARE.
6988 Remove bogus check for multiple unary +/- operators.
6990 2000-04-01 Neil Booth <NeilB@earthling.net>
6992 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
6993 within the switch statement. Binary operations break out of
6994 the switch naturally. '(' tokens handled by forcing
6995 immediate shift. ')' handled by forcing immediate reduce to
6996 the previous '('. New error messages.
6998 2000-03-31 Geoff Keating <geoffk@cygnus.com>
7000 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
7001 part', it's already in use. Use %K instead. Add a return at the
7002 end of what is now %K.
7003 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
7005 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
7007 * builtins.c (expand_builtin_apply): Pass proper parameters to
7008 allocate_dynamic_stack_space.
7009 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
7010 update stack_pointer_delta; do not update arg_size_so_far.
7011 (compute_argument_block_size): Use stack_delta instead of
7012 stack_pointer_pending and arg_size_so_far.
7013 (expand_call): Add sanity checking for stack_pointer_delta;
7014 save and restore stack_pointer_delta for SIB, use
7015 stack_pointer_delta for alignment; do not update arg_space_so_far.
7016 (emit_library_call_value): Use stack_pointer_delta for alignment.
7017 (store_one_arg): Do not update arg_space_so_far.
7018 * explow.c (adjust_stack, anti_adjust_stack): Update
7019 stack_pointer_delta.
7020 (allocate_dynamic_stack_space): Add sanity checking for
7021 stack_pointer_delta.
7022 * expr.c (init_expr, clear_pending_stack_adjust): Clear
7023 stack_pointer_delta.
7024 (emit_push_insn): Update stack_pointer_delta.
7025 * function.h (struct expr_status): Add x_stack_pointer_delta;
7026 remove x_arg_space_so_far.
7027 (arg_space_so_far): Remove.
7028 (stack_pointer_delta): New macro.
7030 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
7032 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
7033 Reorder struct cpp_options and struct cpp_reader for better
7034 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
7035 takes two args. Change all 'char' flags to 'unsigned char'.
7036 Move show_column flag into struct cpp_options. Don't
7037 prototype cpp_options_init.
7038 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
7039 cppinit.c, cpplex.c, cpplib.c:
7040 Replace CPP_OPTIONS (pfile)->whatever with
7041 CPP_OPTION (pfile, whatever), and likewise for
7042 opts = CPP_OPTIONS (pfile); ... opts->whatever;
7044 * cppinit.c (merge_include_chains): Take a cpp_reader *.
7045 Extract CPP_OPTION (pfile, pending) and work with that
7047 (cpp_options_init): Delete.
7048 (cpp_reader_init): Turn on on-by-default options here.
7049 Allocate the pending structure here.
7050 (cl_options, enum opt_code): Define these from the same table,
7051 kept in a large macro. Add -fshow-column and -fno-show-column
7054 * cpperror.c (v_message): If show_column is off, don't print
7057 * cppmain.c: Update for new interface.
7058 * fix-header.c: Likewise.
7060 2000-03-30 Geoff Keating <geoffk@cygnus.com>
7062 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
7064 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
7065 are passed to any invocation of AR_FOR_TARGET.
7066 (AR_CREATE_FOR_TARGET): New macro.
7067 (AR_EXTRACT_FOR_TARGET): New macro.
7068 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
7069 AR_EXTRACT_FOR_TARGET.
7070 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
7071 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
7072 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
7073 AR_EXTRACT_FOR_TARGET to sub-makes.
7075 2000-03-31 Neil Booth <NeilB@earthling.net>
7077 * cppexp.c: Delete SKIP_OPERAND. Correct priority
7079 (_cpp_parse_expr): Check for multiple unary +/- operators.
7080 Correct priorities of ':' and '?'. Treat ')' as having a
7081 value. Ensure conditional expression is not void.
7083 2000-03-31 Mark Mitchell <mark@codesourcery.com>
7085 * alias.c (canon_rtx): Make it global.
7086 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
7088 * cse.c (struct table_elt): Add canon_exp.
7090 (invalidate): Canonicalize expressions only once.
7091 * rtl.h (canon_rtx): Declare.
7093 2000-03-30 Mark Mitchell <mark@codesourcery.com>
7095 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
7096 * alias.c (reg_known_value): Add comments.
7097 (init_alias_analysis): Likewise.
7098 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
7100 (cse_basic_block): Fix typo in comment.
7101 * emit-rtl.c: Include hashtab.h.
7102 (const_int_htab): New variable.
7103 (const_int_htab_hash): New function.
7104 (const_int_htab_eq): Likewise.
7105 (rtx_htab_mark_1): Likewise.
7106 (rtx_htab_mark): Likewise.
7107 (gen_rtx_CONST_INT): Cache all CONST_INTs.
7108 (unshare_all_rtx): Fix formatting.
7109 (init_emit_once): Initialize const_int_htab.
7110 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
7112 * rtl.texi: Document the fact that all CONST_INTs with the same
7115 2000-03-30 Richard Henderson <rth@cygnus.com>
7117 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
7119 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
7121 * configure.in: Comment out --enable-c-cpplib stanza.
7122 * configure: Regenerate.
7124 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7126 * expr.c (store_constructor): Properly compute displacement and
7127 alignment when offset is variable.
7129 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
7130 cases of alignment in bytes.
7132 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
7134 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
7135 since it is used to generate c-parse.y.
7136 * objc-parse.c, objc-parse.y: Regenerated.
7138 * function.c (expand_function_end): Pass alignment argument to
7139 emit_block_move in bits, not bytes.
7141 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7143 * expr.c (move_by_pieces_ninsns): Fix one more missing align
7146 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
7148 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
7149 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
7150 * function.c (assign_parms): Likewise.
7151 * integrate.c (expand_inline_function): Likewise.
7152 * stmt.c (expand_decl): Likewise.
7153 (copy_rtx_and_substitute): Likewise.
7154 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
7155 (clear_by_pieces): Fix error in last change.
7156 * emit-rtl.c (init_emit): Set known registers alignment in bits.
7157 * function.h (regno_pointer_align): Now unsigned.
7158 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
7160 * config/i386/i386.c (aligned_operand): Likewise.
7161 * config/sparc/sparc.c (mem_min_alignment): Likewise.
7162 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
7163 (unaligned_memory_operand): Likewise.
7164 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
7165 Also make alignments and sizes unsigned and some whitespace cleanup.
7166 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
7168 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
7169 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
7170 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
7171 (expand_builtin_memset): Likewise, but to clear_storage.
7172 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
7173 (restore_fixed_argument_area): Likewise.
7174 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
7175 (load_register_parameters): Likewise, to emit_group_load.
7176 (expand_call): Likewise, to emit_group_store and emit_block_move.
7177 (emit_library_call_value_1): Likewise, to emit_block_move.
7178 (store_one_arg): Likewise, and to emit_push_insn.
7179 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
7180 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
7181 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
7182 (emit_block_move, emit_group_load, emit_group_store): Likewise.
7183 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
7184 (expand_assigment, store_expr, store_constructor_field): Likewise.
7185 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
7186 (store_constructor, store_field, get_inner_reference): Likewise.
7187 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
7188 (expand_expr, case COMPONENT_REF): Likewise.
7189 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
7190 and positions; reindent code.
7191 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
7192 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
7193 (assign_parms): Likewise to emit_group_store.
7194 * optabs.c (prepare_cmp_insn): Alignment is in bits.
7195 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
7196 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
7197 (expand_return): Likewise to {extract,store}_bit_field.
7198 * stor-layout.c (get_mode_alignment): Minor cleanup.
7199 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
7200 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
7202 2000-03-29 Nick Clifton <nickc@cygnus.com>
7204 * config/arm/arm.h: Undo effects of previous delta:
7205 (ASM_SPEC): Do not define.
7206 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
7208 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
7211 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7213 * cppinit.c (cpp_start_read): Call initialize_dependency_output
7214 only after reading in the primary source file.
7216 2000-03-29 Geoff Keating <geoffk@cygnus.com>
7218 * c-common.c (c_common_nodes_and_builtins): The first parameter to
7219 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
7220 or a reference to a va_list.
7221 * builtins.c (stabilize_va_list): Simplify now we don't have to
7222 work around C array address decay.
7223 * c-typeck.c (convert_for_assignment): Handle assignment to
7224 a reference parameter by taking the address of the RHS.
7225 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
7226 (va_copy): Likewise.
7227 (__va_copy): Likewise.
7228 * ginclude/varargs.h (va_start): Likewise.
7229 (__va_copy): Likewise.
7231 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
7233 * i386/djgpp.h: Remove extraneous "+".
7235 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
7237 * calls.c (expand_call): Fix typo in last change.
7239 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
7241 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
7244 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7246 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
7247 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
7248 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
7249 * tree.c (bit_position, byte_position): Likewise.
7250 * tree.h: Declare new functions.
7252 2000-03-29 Nick Clifton <nickc@cygnus.com>
7254 * config/arm/arm.c: Minor formatting changes/
7255 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7257 (ASM_SPEC): Define if not already defined.
7259 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
7261 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
7264 2000-03-29 Jakub Jelinek <jakub@redhat.com>
7266 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
7267 value, don't output it as unsigned.
7269 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
7271 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
7273 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7275 * c-common.c (c_common_nodes_and_builtins): Don't special case
7276 cplus_mode when declaring builtin bzero/bcmp, always avoid
7277 prototype arguments.
7279 2000-03-29 Bruce Korb <bkorb@gnu.org>
7281 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
7284 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
7286 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
7287 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
7288 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
7289 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
7290 (save_fixed_argument_area, restore_fixed_argument_area):
7291 conditionize by #ifdef REG_PARM_STACK_SPACE only.
7292 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
7293 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
7294 (precompute_register_parameters): Avoid #ifdefs on
7295 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
7296 (stire_one_args): Likewise.
7297 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
7298 (emit_library_call_value_1): Likewise.
7299 (compute_argument_block_size): Align to STACK_BOUNDARY only for
7300 ACCUMULATE_OUTGOING_ARGS.
7301 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
7303 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
7304 (use_crosses_set_p): Likewise.
7305 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
7306 #define ACCUMULATE_OUTGOING_ARGS 1.
7307 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
7309 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
7311 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
7312 (TARGET_SWITCHES): Add push-args, no-push-args,
7313 accumulate-outgoing-args and no-accumulate-outgoing-args.
7314 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
7315 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
7316 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
7318 (emit_push_insn): Likewise.
7319 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7320 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
7321 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
7322 (STACK_DYNAMIC_OFFSET): Define correctly for both
7323 ACCUMULATE_OUTGOING_ARGS and normal mode.
7324 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
7325 * tm.texi (PUSH_ARGS): Document.
7326 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
7328 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
7330 * flags.h (flag_optimize_sibling_calls): Declare.
7331 * calls.c (expand_call): Fail sibcall when
7332 !flag_optimize_sibling_calls
7333 * invoke.texi (flag_optimize_sibling_calls): Document.
7334 * toplev.c (flag_optimize_sibling_calls): New global variable.
7335 (f_options): Add flag_optimize_sibling_calls.
7336 (rest_of_compilation): Conditionize
7337 optimize_sibling_and_tail_recursive_calls by
7338 flag_optimize_sibling_calls.
7339 (main): Set flag_optimize_sibling_calls for -O2.
7340 * stmt.c (expand_return): Conditionize tail recursion by
7341 flag_optimize_sibling_calls.
7343 2000-03-29 Richard Henderson <rth@cygnus.com>
7345 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
7346 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
7348 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
7350 * except.c (add_eh_table_entry): Mark type_info's as referenced.
7352 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7354 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
7356 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
7357 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
7358 * config/rs6000/aix.h: then modified likewise.
7360 2000-03-28 Richard Henderson <rth@cygnus.com>
7362 * rtl.h: Redistribute enum reg_note documentation.
7363 Kill trailing whitespace.
7364 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
7365 Kill trailing whitespace.
7367 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
7369 * cppfiles.c (hash_IHASH): Just return i->hash.
7370 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
7371 htab_find_with_hash.
7372 (cpp_read_file): Likewise.
7373 (find_include_file): Likewise. Properly initialize
7374 ih->nshort. Share ih->name and ih->nshort if possible.
7375 * cpphash.c (_cpp_calc_hash): New function.
7376 (hash_HASHNODE): Just return h->hash.
7377 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
7378 htab_find_with_hash.
7379 * cpphash.h: Prototype _cpp_calc_hash.
7380 * cppinit.c (initialize_builtins): Provide a valid hash
7381 to _cpp_make_hashnode, using _cpp_calc_hash.
7383 * cpphash.c (collect_expansion): # is not a special character
7384 in object-like macros. In -traditional mode, /**/ is not
7385 token paste at the beginning or end of the line.
7386 * cpplib.c (do_include, do_import, do_include_next): If
7387 parse_include fails, return immediately.
7389 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
7391 * config/arm/arm.md (return peepholes): Update to reflect the new
7393 * config/arm/arm.c (arm_volatile_func): Also check
7394 current_function_nothrow.
7395 (output_return_instruction, output_func_prologue): Use it.
7396 (arm_output_epilogue, arm_expand_prologue): Likewise.
7398 2000-03-27 Tom Tromey <tromey@cygnus.com>
7400 * gcc.c (handle_braces): In {x*...} case, break out of loop if
7403 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7405 * expr.c (store_constructor): SIZE now signed.
7406 For EXPR_SIZE, don't evaluate size; just needed if constant.
7407 * fold-const.c (fold): Fix a number of cases when folded tree is
7409 * function.c (flush_addressof): Reenable.
7410 * tree.h (flush_addressof): Likewise.
7411 * toplev.c (independent_decode_option): Look at strings_processed.
7412 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
7414 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
7416 * sibcall.c (indentify_call_return_value): Find last call in the chain;
7417 Allow stack adjustment after function call.
7419 * regmove.c (struct csa_memlist): Make mem field rtx *.
7420 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
7421 (try_apply_stack_adjustment): Replace whole MEM rtx.
7422 (combine_stack_adjustments_for_block): Update calls
7423 to record_one_stack_ref.
7425 2000-03-28 Neil Booth <NeilB@earthling.net>
7427 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
7428 '\\' rather than a null character, so nulls are not special. Fix
7429 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
7430 speed trigraph conversion.
7431 (_cpp_init_input_buffer): Initialize trigraph map.
7433 2000-03-27 Alan Modra <alan@linuxcare.com.au>
7435 * config/i386/i386.c (output_387_binary_op): Correct intel
7436 mode assembly output, and add spaces after commas in AT&T
7437 output. Correct Unixware assembler comment. Document input
7438 constraints. Comment fp operations. Reduce profligate buffer
7439 size. Remove extraneous abort. Localize temp var.
7440 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
7441 (output_fix_trunc): Add spaces after commas in assembly output.
7443 2000-03-27 Richard Henderson <rth@cygnus.com>
7445 * i386-protos.h (ix86_match_ccmode): Declare.
7446 * i386.c (ix86_match_ccmode): New.
7447 (ix86_expand_fp_compare): Update for pattern renames.
7448 (ix86_expand_strlensi_unroll_1): Likewise.
7449 * i386.h (EXTRA_CC_MODES): Add CCZ.
7450 (SELECT_CC_MODE): Use it for EQ/NE zero.
7451 * i386.md (cmpsi_ccz_1): New.
7453 (*testsi_ccz_1): New.
7454 (testqi_ccz_1): New.
7455 (cmpsi_ccno_1): Rename from cmpsi_0.
7456 (testsi_ccno_1): Rename from testsi_1.
7457 (testqi_ccno_1): Rename from testqi_1.
7458 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
7459 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
7460 (*cmphi_0): Use ix86_match_ccmode.
7461 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
7462 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
7463 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
7464 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
7465 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
7466 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
7467 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
7468 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
7469 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
7470 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
7471 (appropriate peepholes): Likewise.
7472 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
7473 (*subsi_3, *subhi_3, *subqi_3): Remove.
7474 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
7475 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
7476 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
7477 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
7478 (x86_shift_adj_1): Use CCZ.
7479 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
7481 2000-03-27 Stan Cox <scox@cygnus.com>
7483 * resource.h (mark_resource_type): New.
7484 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
7485 find_free_register): Use mark_resource_type.
7486 (mark_set_resources): Change include_delayed_effects
7487 to mark_resource_type.
7488 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
7489 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
7490 Use mark_resource_type.
7492 2000-03-27 Richard Henderson <rth@cygnus.com>
7494 * i386.md (call_pop_0, call_value_pop_0): New.
7495 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
7496 (call_value_pop_1): Likewise.
7497 (call_0, call_value_0): New.
7498 (call_1, call_value_1): Remove constraint from unused arg.
7500 2000-03-27 Nick Clifton <nickc@cygnus.com>
7502 * invoke.texi (Spec Files): Document new spec % command created by
7503 Tom Tromey's recent patch.
7505 2000-03-27 Jakub Jelinek <jakub@redhat.com>
7507 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
7510 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7512 * expr.c (expand_assignment): Fix typo in last change.
7514 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
7516 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7518 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
7519 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
7520 and DECL_INLINE if FUNCTION_DECL.
7521 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
7522 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
7523 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
7524 (combine_parm_decls): Likewise.
7525 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
7526 * print-tree.c (print_node): Likewise.
7527 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
7528 DECL_TRANSPARENT_UNION on proper decl types.
7529 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
7530 * stor-layout.c (layout_decl): Only check DECL_PACKED and
7531 DECL_BIT_FIELD of FIELD_DECL.
7532 * tree.h (DECL_RESULT_FLD): New macro.
7534 * expr.c (expand_assignment): Add code to handle variable-sized
7537 2000-03-26 Richard Henderson <rth@cygnus.com>
7539 * calls.c (expand_call): Pass parms not original exp to
7540 optimize_tail_recursion. Mind return value instead of looking
7542 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
7543 call_expr. Move checks for call_expr and current_function_decl ...
7544 (expand_return): ... here.
7546 2000-03-26 Tom Tromey <tromey@cygnus.com>
7548 * gcc.c (handle_braces): Recognize `%{<S}' construct.
7549 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
7551 (process_command): Use them.
7552 (check_live_switch): Likewise.
7553 (give_switch): Skip ignored switches.
7555 2000-03-26 Jan Hubicka <jh@suse.cz>
7557 * jump.c (jump_optimize_1): Fix typo in elide optimizations
7558 for minimal jump pass test.
7560 2000-03-26 Mark Mitchell <mark@codesourcery.com>
7562 * integrate.c (function_cannot_inline_p): Do inline functions that
7565 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7567 * stor-layout.c (layout_type, set_sizetype): early_type_list is
7568 now a list of TREE_LIST entries, not types.
7569 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
7571 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
7572 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
7574 * config/mips/mips.c (function_arg): Likewise; also remove cast
7575 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
7576 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
7577 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
7578 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
7579 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
7580 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
7581 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
7582 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
7583 num_adjusts now unsigned.
7584 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
7585 * config/sparc/sparc.c (struct function_arg_record_value_parms):
7587 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
7588 as is BITPOS variable; use host_integerp and int_bit_position.
7589 (function_arg_record_value_2): Likewise.
7590 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
7591 Variable REGNO now unsigned.
7592 (function_arg_record_value): NREGS now unsigned.
7594 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7596 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
7598 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7600 * Rework fields used to describe positions of bitfields and
7601 modify sizes to be unsigned and use HOST_WIDE_INT.
7602 * alias.c (reg_known_value_size): Now unsigned.
7603 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
7604 (really_start_incremental_init): Use bitsize_zero_node.
7605 (push_init_level, pop_init_level, output_init_element): Likewise.
7606 Use bitsize_unit_node and bitsize_one_node.
7607 (output_pending_init_elements, process_init_element): Likewise.
7608 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
7609 (make_extraction): Position and length HOST_WIDE_INT and unsigned
7610 HOST_WIDE_INT, respectively.
7611 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
7612 (num_sign_bit_copies): Returns unsigned.
7613 BITWIDTH now unsigned; rework arithmetic.
7614 Remove recursive call from arg to MAX.
7615 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
7616 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
7618 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
7619 (find_split_point, expand_compound_operation, make_extraction): LEN
7620 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
7621 (make_field_assignment): Likewise.
7622 (combine_simplify_rtx): Add cast.
7623 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
7624 (force_to_mode): WIDTH now unsigned; add cast.
7625 (if_then_else_cond): SIZE now unsigned.
7626 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
7627 (extended_count): Now returns unsigned.
7628 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
7629 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
7630 (simplify_comparison): MODE_WIDTH now unsigned.
7631 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
7632 (mark_used_regs_combine): Likewise; rework arithmetic.
7633 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
7634 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
7635 (record_promoted_value): REGNO now unsigned.
7636 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
7637 (get_last_value): REGNO now unsigned.
7638 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
7639 (reg_dead_regno, reg_dead_endregno): Now unsigned.
7640 (remove_death): Arg REGNO now unsigned.
7641 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
7642 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
7644 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
7645 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
7646 (struct cse_reg_info): REGNO now unsigned.
7647 (cached_regno): Now unsigned.
7648 (REGNO_QTY_VALID_P): Add cast.
7649 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
7650 (remove_invalid_regs): Likewise.
7651 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
7652 as are variables END and I.
7653 (get_cse_reg_info, insert): Likewise.
7654 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
7655 (canon_hash): Likewise.
7656 (insert_regs, lookup_for_remove): REGNO now unsigned.
7657 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
7659 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
7660 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
7661 * emit-rtl.c (subreg_realpart_p): Add cast.
7662 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
7663 (operand_subword_force): Arg I is now unsigned.
7664 * except.c (eh_regs): Variable I is now unsigned.
7665 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
7666 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
7667 length is unsigned HOST_WIDE_INT; likewise for internal variables.
7668 (store_split_bit_field, extract_fixed_bit_field): Likewise.
7669 (extract_split_bit_field, store_bit_field, extract_bit_field):
7671 * expr.c (store_constructor_fields, store_constructor, store_field):
7672 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
7673 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
7674 (do_jump): Likewise.
7675 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
7676 MAX_SIZE is now unsigned.
7677 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
7678 (emit_group_store): Likewise.
7679 (emit_move_insn): I now unsigned.
7680 (store_constructor): Use host_integerp, tree_low_cst, and
7682 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
7683 Rework all calculations to use trees and new fields.
7684 * expr.h (promoted_input_arg): Regno now unsigned.
7685 (store_bit_field, extract_bit_field): Adjust types of pos and size.
7686 (mark_seen_cases): Arg is HOST_WIDE_INT.
7687 * flow.c (verify_wide_reg_1): REGNO now unsigned.
7688 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
7689 precisions and alignments are unsigned.
7690 (optimize_bit_field_compare, fold_truthop): Likewise.
7691 (int_const_binop): Adjust threshold for size_int_type_wide call.
7692 (fold_convert): Likewise.
7693 (size_int_type_wide): Make table larger and fix thinko that only
7694 had half of table used.
7695 (all_ones_mask_p, fold): Precisions are unsigned.
7696 * function.c (put_reg_info_stack): REGNO is unsigned.
7697 (instantiate_decl): Size is HOST_WIDE_INT.
7698 (instantiate_virtual_regs): I is unsigned.
7699 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
7700 (promoted_input_arg): REGNO is unsigned.
7701 * function.h (struct function): x_max_parm_reg is now unsigned.
7702 * gcse.c (max_gcse_regno): Now unsigned.
7703 (struct null_pointer_info): min_reg and max_reg now unsigned.
7704 (lookup_set, next_set): REGNO arg now unsigned.
7705 (compute_hash_table): REGNO and I now unsigned.
7706 (handle_avail_expr): regnum_for_replacing now unsigned.
7707 (cprop_insn): REGNO now unsigned.
7708 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
7709 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
7710 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
7711 * hard-reg-set.h (reg_class_size): Now unsigned.
7712 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
7713 * jump.c (mark_modified_reg): I now unsigned; add cast.
7714 (rtx_equal_for_thread_p): Add cast.
7715 * loop.c (max_reg_before_loop): Now unsigned.
7716 (struct_movable): REGNO now unsigned.
7717 (try_copy_prop): REGNO arg unsigned.
7718 (regs_match_p): XN and YN now unsigned.
7719 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
7720 (strength_reduce): Likewise; NREGS also unsigned.
7721 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
7722 * loop.h (struct iv_class): REGNO now unsigned.
7723 (max_reg_before_loop, first_increment_giv, last_increment_giv):
7725 * machmode.h (mode_size, mode_unit_size): Now unsigned.
7726 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
7727 * optabs.c (expand_binop): I and NWORDS now unsigned.
7728 (expand_unop): I now unsigned.
7729 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
7730 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
7731 * real.c (significand_size): Now returns unsigned.
7732 * real.h (significand_size): Likewise.
7733 * regclass.c (reg_class_size): Now unsigned.
7734 (choose_hard_reg_mode): Both operands now unsigned.
7735 (record_reg_classes): REGNO and NR now unsigned.
7736 (reg_scan): NREGS now unsigned.
7737 (reg_scan_update): old_max_regno now unsigned.
7738 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
7739 * reload.c (find_valid_class): BEST_SIZE now unsigned.
7740 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
7741 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
7742 Likewise for variable R.
7743 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
7744 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
7745 (find_equiv_reg): Add casts.
7746 (regno_clobbered_p): Arg REGNO now unsigned.
7747 * reload.h (struct reload): NREGS now unsigned.
7748 (refers_to_regno_for_reload_p): Regno args are unsigned.
7749 (regno_clobbered_p): Likewise.
7750 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
7751 (compute_use_by_pseudos): REGNO now unsigned.
7752 (find_reg): I and J now unsigned, new variable K, and change loop
7753 variables accordingly; THIS_NREGS now unsigned.
7754 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
7755 (spill_hard_reg): REGNO arg now unsigned; add casts.
7756 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
7757 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
7758 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
7759 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
7760 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
7761 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
7762 (emit_reload_insns): REGNO now unsigned.
7763 (reload_cse_move2add): Add cast.
7764 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
7766 * resource.c (mark_referenced_resources, mark_set_resources): New
7767 variable R; REGNO and LAST_REGNO now unsigned.
7768 (mark_target_live_regs): J and REGNO now unsigned.
7769 * rtl.c (mode_size, mode_unit_size): Now unsigned.
7770 * rtl.h (union rtunion_def): New field rtuint.
7771 (XCUINT): New macro.
7772 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
7773 (operand_subword, operand_subword_force): Word number is unsigned.
7774 (choose_hard_reg_mode): Operands are unsigned.
7775 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
7776 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
7777 (regno_use_in, combine_instructions, remove_death): Likewise.
7778 (reg_scan, reg_scan_update): Likewise.
7779 (extended_count): Return is unsigned.
7780 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
7781 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
7782 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
7783 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
7784 (reg_reg_last_1): FIRS and LAST now unsigned.
7785 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
7786 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
7788 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
7789 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
7790 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
7791 (replace_regs): Arg NREGS now unsigned.
7792 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
7793 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
7794 (simplify_binary_operation): Likewise.
7795 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
7796 THIS_LAST now unsigned.
7797 (cselib_record_set): Add cast.
7798 * ssa.c (ssa_max_reg_num): Now unsigned.
7799 (rename_block): REGNO now unsigned.
7800 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
7802 (all_cases_count): Just return -1 not -2.
7803 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
7804 Rework tests to use trees whenever possible.
7805 Use host_integerp and tree_low_cst.
7806 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
7807 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
7808 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
7809 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
7810 (smallest_mode_for_size): Likewise.
7811 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
7812 KNOWN_ALIGN is now an alignment, so simplify code.
7813 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
7814 (start_record_layout): Renamed from new_record_layout_info.
7815 Update to new fields.
7816 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
7818 (place_union_field): Renamed from layout_union_field.
7819 Update to use new fields in rli.
7820 (place_field): Renamed from layout_field.
7821 Major rewrite to use new fields in rli; pass alignment to layout_decl.
7822 (finalize_record_size): Rework to use new fields in rli and handle
7824 (compute_record_mode): Rework to simplify and to use new DECL fields.
7825 (finalize_type_size): Make rounding more consistent.
7826 (finish_union_layout): Deleted.
7827 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
7828 (layout_type, case RECORD_TYPE): Call new function names.
7829 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
7830 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
7831 (get_best_mode): UNIT is now unsigned; remove casts.
7832 * tree.c (bit_position): Compute from new fields.
7833 (byte_position, int_byte_position): New functions.
7834 (print_type_hash_statistics): Cast to remove warning.
7835 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
7836 (build_index_type): Likewise; make subtype of sizetype.
7837 (build_index_2_type): Pass sizetype to build_range_type.
7838 (build_common_tree_nodes): Use size_int and bitsize_int to
7839 initialize nodes; add bitsize_{zero,one,unit}_node.
7840 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
7841 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
7842 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
7843 (DECL_FIELD_BITPOS): Deleted.
7844 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
7845 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
7846 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
7847 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
7848 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
7849 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
7850 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
7851 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
7852 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
7853 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
7854 (DECL_ALIGN): Adjust to new field in union.
7855 (DECL_OFFSET_ALIGN): New field.
7856 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
7857 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
7858 (union tree_decl): Add struct for both aligns.
7859 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
7860 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
7861 (struct record_layout_info): Rework fields to have offset
7862 alignment and byte and bit position.
7863 (start_record_layout, place_field): Renamed from old names.
7864 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
7865 (byte_position, int_byte_position): Likewise.
7866 (get_inner_reference): Change types of position and length.
7867 * unroll.c (unroll_loop): New variable R; use for some loops.
7868 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
7869 (calculate_giv_inc): Arg REGNO now unsigned.
7870 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
7871 * varasm.c (assemble_variable): Clean up handling of size using
7872 host_integerp and tree_low_cst.
7873 (decode_addr_const): Use byte, not bit, position.
7874 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
7875 use tree_low_cst and int_bit_position.
7876 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
7878 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
7880 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
7881 (reorder_block_def): New members eff_head and eff_end.
7882 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
7883 (verify_insn_chain): New function.
7884 (skip_insns_between_block): Add code to skip deleted insns.
7885 Check for note before using.
7886 (chain_reorder_blocks): Replace calls to skip_insns_between_block
7887 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
7888 Check for note before using.
7889 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
7890 (fixup_reorder_chain): Restructure, clean up, defect removal.
7891 (reorder_basic_blocks): Remove last_insn and references to it.
7892 Moved insn chain verification code into a new function (see above).
7893 Delete defective code that sets last insn.
7894 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
7897 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7899 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
7901 2000-03-24 Richard Henderson <rth@cygnus.com>
7903 * tree.c (lang_safe_for_unsave): Remove.
7904 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
7905 allowing for two levels of unsafeness. Remove lang hook.
7906 * tree.h: Update declarations.
7907 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
7908 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
7909 Always fail sibcalls when there are pending cleanups.
7911 2000-03-24 Geoff Keating <geoffk@cygnus.com>
7913 * flow.c (propagate_block): When we delete an ADDR_VEC,
7914 also delete the BARRIER following it if there is one.
7916 2000-03-24 Richard Henderson <rth@cygnus.com>
7918 * builtins.c (expand_builtin_bzero): Convert `length' argument
7921 2000-03-24 Jakub Jelinek <jakub@redhat.com>
7923 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
7924 comparison if regno's are equal.
7925 * calls.c (initialize_argument_informat): Add ecf_flags argument.
7926 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7927 (expand_call): Update caller.
7928 Avoid making a sibling call if argument size of the callee is larger
7929 than argument size of the caller.
7930 Call hard_function_value with outgoing set if in sibcall pass.
7931 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
7933 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
7934 Change LEAF_REGISTERS from an array initializer to actual array
7935 identifier. Move static global variable into the function.
7936 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
7937 sequences for leaf functions.
7938 * global.c (global_alloc): Likewise.
7939 * tm.texi (LEAF_REGISTERS): Update documentation.
7941 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
7942 TARGET_FLAT leaf disabling hack.
7943 (LEAF_REGISTERS): Changed from an array initializer to actual array
7944 identifier to avoid duplication and remove the above hack.
7945 (FUNCTION_OK_FOR_SIBCALL): Define.
7946 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
7947 always like call attribute.
7948 (eligible_for_sibcall_delay): New attribute.
7949 (sibcall): New delay type.
7950 (sibcall, sibcall_value, sibcall_epilogue): New expands.
7951 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
7952 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
7953 * config/sparc/sparc.c (sparc_leaf_regs): New array.
7954 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
7956 (output_function_epilogue): Move part of the code into
7957 output_restore_regs.
7958 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
7960 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
7963 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
7964 until infrastructure is finished.
7966 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
7968 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
7969 (save_parm_insns): Not here.
7971 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7973 * builtins.c (expand_builtin_bzero): New function.
7974 (expand_builtin): Handle bzero.
7976 * builtins.def: Add BUILT_IN_BZERO.
7978 * c-common.c (c_common_nodes_and_builtins): Provide builtin
7979 prototype & function for bzero.
7981 2000-03-23 Michael Meissner <meissner@redhat.com>
7983 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
7984 change adding TARGET_FP to the TF floating point insns, except for
7985 trunctfsf2, which generates direct calls to truncdfsf2.
7987 2000-03-23 Geoff Keating <geoffk@cygnus.com>
7989 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
7990 try to protect against middle-end changes that break binary
7992 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
7994 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7996 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
7998 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8000 * calls.c (expand_call): If TARGET is passed by reference and
8001 is readonly, write a CLOBBER.
8003 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8005 * builtins.c (expand_builtin): Handle bcmp.
8007 * builtins.def: Add BUILT_IN_BCMP.
8009 * c-common.c (c_common_nodes_and_builtins): Provide builtin
8010 prototype & function for bcmp.
8012 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
8014 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
8015 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
8016 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
8018 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
8020 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
8021 alternative when using -fp64 -gp32.
8023 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8025 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
8026 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
8027 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
8029 * frame.h (frame_state): Revert last change.
8030 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
8031 * libgcc2.c (throw_helper): Revert last change.
8033 2000-03-22 Richard Henderson <rth@cygnus.com>
8035 * stmt.c (expand_asm_operands): Don't promote the temporary.
8037 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
8039 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
8040 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
8041 c_get_alias_set): Likewise.
8042 * c-decl.c (duplicate_decls): Likewise.
8043 * c-typeck.c (default_conversion,build_unary_op): Likewise.
8044 * calls.c (initialize_argument_information): Likewise.
8045 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
8047 * dwarfout.c (decl_class_context,output_type): Likewise.
8048 * expr.c (get_inner_reference): Likewise.
8049 * fold-const.c (simple_operand_p,fold): Likewise.
8050 * function.c (aggregate_value_p): Likewise.
8051 * stmt.c (expand_asm_operands): Likewise.
8052 * varasm.c (named_section): Likewise.
8054 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
8056 Implement dwarf2 exception handling for the ARM.
8057 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
8058 (DWARF_FRAME_RETURN_COLUMN): Define.
8059 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
8060 REG_FRAME_RELATED_EXPR note.
8061 (emit_sfm): Likewise.
8062 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
8063 * dwarf2out.c (reg_save): Handle saving a register to itself.
8064 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
8065 * except.c (eh_regs): Don't use the static chain reg if it's
8067 * frame.h (frame_state): Add cfa_saved field.
8068 * frame.c (execute_cfa_insn): Set it.
8069 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
8071 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
8073 (instantiate_virtual_regs): Adjust.
8075 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8076 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
8077 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
8079 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
8080 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
8082 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8084 * builtins.def: New file.
8086 * Makefile.in (TREE_H): Depend on builtins.def.
8088 * builtins.c (built_in_names): Use builtins.def.
8090 * tree.h (built_in_function): Likewise.
8092 2000-03-22 Mark Mitchell <mark@codesourcery.com>
8094 * tree.c (size_in_bytes): Return size_zero_node, not
8097 2000-03-22 Geoff Keating <geoffk@cygnus.com>
8099 * config/fp-bit.c (pack_d): Correct the case when a denormal
8100 is rounded up and stops being denormal.
8102 2000-03-21 Richard Henderson <rth@cygnus.com>
8104 * config/alpha/alpha.c (function_arg): Check for void_type_node
8105 before using MUST_PASS_IN_STACK.
8107 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
8109 * regmove.c (combine_stack_adjustments_for_block): Check that
8110 the stack pointer is a valid memory address.
8112 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
8114 * calls.c: re-install Mar 16 emit_library_call merge.
8116 2000-03-21 Jakub Jelinek <jakub@redhat.com>
8118 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
8119 we cannot be sure that if reload_completed base register will
8120 be properly aligned.
8122 2000-03-21 Richard Henderson <rth@cygnus.com>
8124 * flow.c (delete_block): Fix typo last change.
8126 2000-03-21 Mark Mitchell <mark@codesourcery.com>
8128 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
8129 not COMPLETE_TYPE_P, to check the type of the expression.
8131 2000-03-21 Michael Meissner <meissner@redhat.com>
8133 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
8134 all floating point insns that just tested the macro
8135 TARGET_HAS_XFLOATING_LIBS.
8136 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
8137 used to only use the gprs.
8139 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
8141 * tree.h (COMPLETE_TYPE_P): New macro.
8142 (COMPLETE_OR_VOID_TYPE_P): New macro.
8143 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
8144 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
8145 * c-aux-info.c (gen_type): Use them.
8146 * c-common.c (c_expand_expr_stmt): Likewise.
8147 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
8148 grokdeclarator, grokparms, finish_struct, start_function,
8149 store_parm_decls, combine_parm_decls): Likewise.
8150 * c-parse.y (cast_expr): Likewise.
8151 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
8152 c_size_in_bytes, c_alignof, build_component_ref,
8153 build_indirect_ref, build_array_ref, convert_arguments,
8154 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
8155 * calls.c (initialize_argument_information): Likewise.
8156 * convert.c (convert_to_integer): Likewise.
8157 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
8158 * dwarfout.c (location_or_const_value_attribute,
8159 output_enumeration_type_die, output_structure_type_die,
8160 output_union_type_die, output_type): Likewise.
8161 * expr.c (safe_from_p, expand_expr): Likewise.
8162 * function.c (assign_parms): Likewise.
8163 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
8164 * tree.c (build_array_type, build_function_type,
8165 build_method_type, build_offset_type, build_complex_type): Likewise.
8166 * c-parse.c, c-parse.h: Regenerated.
8168 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8170 * config/c4x/rtems.h: Include config/rtems.h.
8172 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
8174 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
8175 decl is a FUNCTION_DECL
8177 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
8179 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
8180 function uses output registers. Don't save RP for leaf functions.
8181 Do save RP even if no epilogue.
8182 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
8183 (CALL_USED_REGISTERS): Unmark in registers.
8184 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
8187 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8189 * config/rs6000/rs6000.md (bunordered): New expander.
8190 (bordered): New expander.
8191 (buneq): New expander.
8192 (bunge): New expander.
8193 (bungt): New expander.
8194 (bunle): New expander.
8195 (bunlt): New expander.
8196 (bltgt): New expander.
8198 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
8199 (ccr_bit_negated_p): New function.
8200 (print_operand): For %C, generate appropriate cror for UNEQ,
8201 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
8203 2000-03-20 Andreas Jaeger <aj@suse.de>
8205 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
8208 * tree.h (safe_for_unsave): Prototype.
8210 2000-03-20 Richard Henderson <rth@cygnus.com>
8212 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
8213 (combine_stack_adjustments_for_block): Don't allow sp references
8214 in the side of a set we're not fixing up.
8215 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
8216 after life_analysis.
8218 2000-03-20 Richard Henderson <rth@cygnus.com>
8220 * calls.c (expand_call): Don't bother generating tail call
8221 sequences if there are pending cleanups. Use
8222 expand_start_target_temps/expand_end_target_temps to elide
8223 cleanups created during sibcall expansion.
8225 2000-03-20 Geoff Keating <geoffk@cygnus.com>
8227 * configure.in: Set $IFS to a value if it doesn't already have one
8228 in the --enable-checking handling.
8229 * configure: Regenerate.
8231 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8233 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
8234 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8237 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
8239 * jump.c (delete_noop_moves): Remove code attempting to
8240 combine stack adjustments.
8242 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8244 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
8245 * except.c (emit_cleanup_handler): Use them.
8246 (expand_end_all_catch): Likewise.
8247 * function.c (fixup_var_refs): Likewise.
8248 (expand_function_end): Clear catch_clauses_last.
8249 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
8250 * except.h (struct eh_status): New field x_catch_clauses_last.
8251 (catch_clauses_last): New define.
8253 * Makefile.in (tree.o): Depend on HASHTAB_H.
8254 * tree.c: Include hashtab.h.
8255 (struct type_hash): Remove next field.
8256 (TYPE_HASH_SIZE): Remove.
8257 (TYPE_HASH_INITIAL_SIZE): New define.
8258 (type_hash_table): Change type to htab_t.
8259 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
8260 mark_hash_entry): New functions.
8261 (init_obstacks): Allocate type hash.
8262 (type_hash_lookup): Use htab functions.
8263 (type_hash_add, mark_type_hash): Likewise.
8264 (dump_tree_statistics): Call print_type_hash_statistics.
8266 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8268 * rs6000/t-aix41: New file.
8270 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
8272 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
8274 * tm.texi (Driver): Fix typos and tweak entry for
8276 Move misplaced STRUCT_FORCE_BLK entry ...
8277 (Storage Layout): ... to here.
8278 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
8280 2000-03-19 Richard Henderson <rth@cygnus.com>
8282 * flow.c (delete_block): Delete the addr_vec along with the block.
8283 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
8286 * fold-const.c (extract_muldiv): Apply type check for defined
8287 overflow to multiply as well as divide.
8289 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
8291 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8293 * emit-rtl.c (remove_unncessary_notes): Check that all
8294 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
8295 associated NOTE_BLOCK.
8296 * function.h (identify_blocks): Update comments.
8297 (reorder_blocks): Declare.
8298 * function.c (identify_blocks): Don't take paramters.
8299 (reorder_blocks): Don't take parameters.
8300 * loop.h (find_loop_tree_blocks): Remove.
8301 (unroll_block_trees): Likewise.
8302 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
8303 reorder_blocks instead of unroll_block_trees.h
8304 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
8305 * stmt.c (find_loop_tree_blocks): Remove.
8306 (unroll_block_trees): Likewise.
8307 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
8308 in whole-function mode.
8309 * tree.h (reorder_blocks): Remove declaration.
8311 * expr.c: Include intl.h.
8312 * Makefile.in (expr.o): Depend on intl.h.
8314 2000-03-18 Richard Henderson <rth@cygnus.com>
8316 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
8318 2000-03-18 Mark Mitchell <mark@codesourcery.com>
8320 * tree.h (tree_index): Remove enumerals for integer types.
8321 (integer_type_kind): New type.
8322 (integer_types): New variable.
8323 (char_type_node): Adjust.
8324 (signed_char_type_node): Likewise.
8325 (unsigned_char_type_node): Likewise.
8326 (short_integer_type_node): Likewise.
8327 (short_unsigned_type_node): Likewise.
8328 (integer_type_node): Likewise.
8329 (unsigned_type_node): Likewise.
8330 (long_integer_type_node): Likewise.
8331 (long_unsigned_type_node): Likewise.
8332 (long_long_integer_type_node): Likewise.
8333 (long_long_unsigned_type_node): Likewise.
8334 * tree.c (integer_types): New variable.
8335 (init_obstacks): Register it as a root.
8337 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
8339 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
8340 NEXT_INSN. Update last insn in chain.
8342 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
8344 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
8345 with TYPE_DECL_SUPPRESS_DEBUG set.
8347 2000-03-18 Richard Henderson <rth@cygnus.com>
8349 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
8351 2000-03-18 Richard Henderson <rth@cygnus.com>
8353 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
8354 care for HALF_PIC_P.
8355 (expander_call_insn_operand): Remove.
8356 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
8357 * i386.h (PREDICATE_CODES): Update.
8358 * i386.md (all call expanders): Remove predicates, remove special
8359 handling for half-pic.
8360 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
8361 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
8362 (sibcall_epilogue): New.
8364 2000-03-17 Richard Henderson <rth@cygnus.com>
8366 * rtlanal.c (single_set): Reject if the parallel has anything
8367 except SET or USE or CLOBBER.
8369 2000-03-17 Jeff Law <law@cygnus.com>
8370 Richard Henderson <rth@cygnus.com>
8372 * Makefile.in (OBJS): Add sibcall.o.
8374 * sibcall.c: New file.
8375 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
8376 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
8377 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
8378 Emit sibcall patterns when requested. Update all callers.
8379 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
8380 elimination seems feasable.
8381 * final.c (leaf_function_p): Sibling calls don't discount being
8383 * flow.c (HAVE_sibcall_epilogue): Provide default.
8384 (find_basic_blocks_1): Sibling calls don't throw.
8385 (make_edges): Make edge from sibling call to EXIT.
8386 (propagate_block): Don't remove sibcall_epilogue insns.
8387 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
8388 (sibcall_epilogue): New.
8389 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
8390 (identify_blocks_1): Likewise. Break out from ...
8391 (identify_blocks): ... here.
8392 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
8393 (reorder_blocks): ... here.
8394 (init_function_for_compilation): Zap prologue/epilogue as varrays.
8395 (record_insns): Extend a varray instead of mallocing new memory.
8396 (contains): Read a varray not array of ints.
8397 (sibcall_epilogue_contains): New.
8398 (thread_prologue_and_epilogue_insns): Emit and record
8399 sibcall_epilogue patterns.
8400 (init_function_once): Allocate prologue/epilogue varrays.
8401 * genflags.c (gen_insn): Treat sibcall patterns as calls.
8402 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
8404 (save_for_inline_nocopy): ... here.
8405 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
8407 (expand_inline_function): ... here.
8408 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
8409 (subst_constants): Handle 'n' formats.
8410 * jump.c (jump_optimize_minimal): New.
8411 (jump_optimize_1): New arg `minimal'; update callers. Elide most
8412 optimizations if it's set.
8413 * rtl.c (copy_rtx): Do copy jump & call for insns.
8414 * rtl.h (struct rtx_def): Document use of jump and call for insns.
8415 (SIBLING_CALL_P): New.
8416 (sibcall_use_t): New.
8417 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
8418 Invoke optimize_sibling_and_tail_recursive_calls.
8419 * tree.c (lang_safe_for_unsave): New.
8420 (safe_for_unsave): New.
8421 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
8423 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
8424 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
8425 (*sibcall_osf_1, *sibcall_value_osf_1): New.
8427 2000-03-17 Mark Mitchell <mark@codesourcery.com>
8429 * objc/objc-act.c (encode_method_prototype): Pass types, not
8430 PARM_DECLs, to int_size_in_bytes.
8432 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
8434 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
8436 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
8437 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
8439 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8441 * Clean up usages of TREE_INT_CST_LOW.
8442 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
8443 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
8445 * c-tree.h (min_precision): Move declaration to here.
8446 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
8447 (build_unary_op, add_pending_init): Use bit_position.
8448 (pending_init_member, process_init_element): Likewise.
8449 (really_start_incremental_init, push_init_level, pop_init_level):
8450 Don't make copies of nodes or modify them in place, use consistent
8451 types when tracking positions, and use tree routines computations.
8452 (set_init_index, output_init_element): Likewise.
8453 (output_pending_init_elements, process_init_element): Likewise.
8454 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
8455 tree_low_cst and int_bit_position; also minor cleanup.
8456 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
8457 (print_cst_octal): Precision is unsigned.
8458 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
8459 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
8460 (simple_type_align_in_bits): Result is unsigned int.
8461 Use tree_int_low_cst and host_integerp.
8462 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
8463 (field_byte_offset): Result is HOST_WIDE_INT.
8464 Change types of internal variables so alignments are unsigned int,
8465 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
8466 Use host_integerp, tree_low_cst, and int_bit_position.
8467 (add_bit_offset_attribute): Likewise.
8468 (add_data_member_location_attribute): Use tree_cst_low.
8469 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
8470 (add_bit_size_attribute): Use tree_low_cst.
8471 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
8472 * dwarfout.c: Similar changes to dwarf2out.c.
8473 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
8474 * genoutput.c (n_occurences): Return -1 for null string.
8475 (strip_whitespace): Accept null string and make into function.
8476 (scan_operands): Reflect above changes.
8477 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
8478 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
8479 * ssa.c (rename_registers): Add missing cast of arg to bzero.
8480 * tree.c (int_size_in_bytes): Check for too big to represent.
8481 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
8482 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
8484 (min_precision): Delete from here.
8485 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
8486 and int_bit_position.
8487 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
8488 (encode_method_def): Likewise.
8489 (build_ivar_list_initializer): Use int_bit_position.
8490 (generate_shared_structures): Convert size.
8491 (encode_type, encode_complete_bitfield): Use integer_zerop.
8492 (encode_bitfield): Use tree_low_cst and int_bit_position.
8494 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8496 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
8498 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8500 * call.c (special_function_p): It is only malloc if it returns
8503 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8505 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
8506 (C33_FLAG, TARGET_C3X): Add macros.
8507 (TARGET_SWITCHES): Add -m33 option.
8508 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
8510 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8512 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
8513 (PARALLEL_PACK_FLAG): Delete.
8514 (TARGET_SWITCHES): Update.
8515 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
8517 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8519 * fold-const.c (fold): Fix a few cases when the returned result
8520 is not of the same type as the input.
8522 2000-03-16 Nick Clifton <nickc@cygnus.com>
8524 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
8527 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8529 * libgcc2.h: Move prototypes above macros with the same name.
8530 Wrap some function prototypes in the conditional which indicates
8531 whether they are supported, i.e. "BITS_PER_UNIT == 8".
8533 2000-03-16 Richard Henderson <rth@cygnus.com>
8535 * calls.c: Revert last two changes.
8537 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
8539 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
8540 has exponent 0 is a zero.
8542 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
8543 HASH may already be nonzero. Add code/mode into hash value
8544 immediately after repeat label.
8545 (cselib_lookup): Don't leave the hash table in an inconsistent
8546 state before a hash lookup operation.
8548 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
8550 * i386.md (all HI and QI mode non-move patterns): Conditionize
8551 by TARGET_[HQ]IMODE_MATH.
8552 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8553 x86_promote_qi_regs): Declare.
8554 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
8555 TARGET_PROMOTE_QI_REGS): New macros.
8556 (PROMOTE_MODE): New macro.
8557 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
8558 x86_promote_qi_regs): New global variables.
8560 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
8562 * calls.c (emit_library_call_value_1): Break out from ...; handle
8563 VOIDmode function calls too.
8564 (emit_library_call_value): ... here.
8565 (emit_library_call): Implement by calling emit_library_call_value_1.
8567 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
8569 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
8570 Update arg_space_so_far on stack adjustments.
8571 (emit_library_call, emit_library_call_value): Likewise; take into
8572 account arg_space_so_far and pending_stack_adjust when calculcating
8575 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
8577 * flow.c: Move all basic block reordering code into its own file.
8578 (create_basic_block): Externalize.
8579 * bb-reorder.c: New file. Copy all basic block reordering code from
8580 flow.c to this file.
8581 (reorder_basic_blocks): Fix fencepost error in for-loop.
8582 (reorder_basic_blocks): Remove braces from single statement for-loops.
8583 * basic-block.h: Add declaration for create_basic_block.
8584 * Makefile.in: Add rules for bb-reorder.o.
8586 2000-03-16 Neil Booth <NeilB@earthling.net>
8588 * cppinit.c (handle_option): Implement #unassert directive
8589 as -A- command line option.
8590 (print_help): Update.
8591 * cpptexi.c: Update.
8593 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
8595 * md.texi (Standard Names): Document `jump'.
8597 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
8599 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
8602 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8604 Merge changes from newppc-branch onto trunk.
8606 2000-03-15 Geoff Keating <geoffk@cygnus.com>
8608 * rs6000.c (toc_hash_table): Update for new hash table functions.
8609 (toc_hash_function): Likewise.
8610 (toc_hash_eq): Likewise.
8611 (toc_hash_mark_entry): Likewise.
8612 (toc_hash_mark_table): Likewise.
8613 (output_toc): Likewise.
8614 (rs6000_add_gc_roots): Likewise.
8616 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8618 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
8619 (AR_FLAGS_FOR_TARGET): here. New macro.
8621 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
8623 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
8624 fpmem_operand) Delete.
8626 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
8627 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
8628 (rs6000_save_machine_status, rs6000_restore_machine_status,
8629 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
8630 references to above variables.
8631 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
8632 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
8633 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
8634 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
8635 (XER_REGNO_P, XER_REGNO): New.
8636 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
8637 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
8638 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
8640 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
8641 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
8642 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
8644 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8646 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
8647 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
8648 * rs6000.h: from here.
8650 * rs6000-protos.h (rs6000_select_section): Provide prototype.
8651 (rs6000_select_rtx_section): Likewise.
8652 (rs6000_encode_section_info): Likewise.
8653 (sdata_section): Likewise.
8654 (sdata2_section): Likewise.
8655 (sbss_section): Likewise.
8656 * sysv4.h (rs6000_select_section): Delete prototype.
8657 (rs6000_select_rtx_section): Likewise.
8658 (rs6000_encode_section_info): Likewise.
8659 (sdata_section): Likewise.
8660 (sdata2_section): Likewise.
8661 (sbss_section): Likewise.
8662 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
8664 * sysv4.h: Delete various unnecessary #undef's and put a comment
8665 on the remaining ones.
8666 Change various comments according to coding standard.
8668 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
8670 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
8671 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
8672 (CR0_REGNO_P) Remove.
8673 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
8674 setup_incoming_varargs, mtcrf_operation, print_operand,
8675 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
8676 Use the above macros.
8678 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
8680 * config/rs6000/rs6000.md: Added a new alternative for each
8681 pattern that had a 'x' alternative but no 'y' alternative.
8682 Added a new split for each of the above patterns.
8684 2000-02-18 Geoff Keating <geoffk@cygnus.com>
8686 * aix41.h (ASM_CPU_SPEC): Delete.
8687 (CPP_CPU_SPEC): Delete.
8689 * aix.h (RS6000_OUTPUT_BASENAME): Define.
8690 (ASM_OUTPUT_LABEL): Define.
8691 (ASM_GLOBALIZE_LABEL): Define.
8692 (STRIP_NAME_ENCODING): Define.
8693 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
8694 (STRIP_NAME_ENCODING): Don't define.
8695 (ASM_OUTPUT_LABEL): Don't define.
8696 (ASM_GLOBALIZE_LABEL): Don't define.
8697 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
8698 names, and ASM_OUTPUT_LABEL to output labels, rather than
8700 (ASM_OUTPUT_LABEL): Define.
8701 (ASM_OUTPUT_INT): Use assemble_name.
8702 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
8703 (STRIP_NAME_ENCODING): Don't undefine first.
8704 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
8706 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
8707 specified with 'asm' even with -fleading-underscore.
8708 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
8709 (output_epilog): Likewise.
8710 (output_toc): Likewise.
8711 * tramp.asm: Handle -fleading-underscore correctly.
8713 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
8715 (nonlocal_goto_receiver): Delete.
8716 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
8718 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
8719 (SET_ASM_OP): Define.
8720 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
8722 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
8725 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
8726 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
8728 * rs6000.h: Add 'u' to more constants.
8730 2000-02-18 David Edelsohn <edelsohn@gnu.org>
8732 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
8734 2000-02-15 David Edelsohn <edelsohn@gnu.org>
8736 * rs6000.c (reg_or_u_cint_operand): New function.
8737 (logical_operand): Handle 64-bit hosts.
8738 (logical_u_operand): New function.
8739 (non_logical_cint_operand): Handle 64-bit hosts.
8740 (non_logical_u_cint_operand): New function.
8741 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
8742 (PREDICATE_CODES): Define new functions.
8743 * rs6000-protos.h: Declare new functions.
8744 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
8745 (movdi_64): Bracket code intended for 64-bit hosts. Create
8746 CONST_DOUBLE for 32-bit values.
8747 (scc insns): Generate DImode compares.
8748 (mfcr insns): Create DImode versions.
8749 (sge matchers): New patterns.
8751 2000-02-15 Gabriel Paubert <paubert@iram.es>
8753 * rs6000.md: Correct instructions length attributes and
8754 constraints on unsigned compare instructions.
8755 (*ne0): Disable for PowerPC64.
8757 2000-02-11 Geoff Keating <geoffk@cygnus.com>
8759 * rs6000.c (output_function_profiler): Use .long for a 32-bit
8760 quantity, fix profile1.C test failure under -fPIC.
8762 * rs6000.c: Add 'u' to many constants to suppress warnings.
8763 (constant_pool_expr_1): Make static.
8764 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
8765 * rs6000.h: Add 'u' to many constants to suppress warnings.
8767 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
8768 for the start of the TOC, instead of LCTOC..0.
8769 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
8771 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
8772 (load_toc_aix_di): Use LCTOC..1.
8774 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
8775 * rs6000.c (rs6000_legitimize_address): New function from
8776 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
8777 symbols in the constant pool that really are TOC references.
8778 (print_operand_address): For ELF, write TOC offsets under
8779 -fPIC as subtractions in the insn.
8780 (output_toc): For ELF, define symbols in TOC as normal labels,
8782 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
8783 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
8784 (create_TOC_reference): Prototype only when RTX_CODE is defined.
8785 * rs6000.md (movsi): Only use create_TOC_reference on
8786 symbols in the constant pool that really are TOC references.
8788 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
8789 * rs6000.c (rs6000_reorg): Delete.
8790 * rs6000-protos.h (rs6000_reorg): Delete.
8792 2000-02-09 Geoff Keating <geoffk@cygnus.com>
8794 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
8796 * aix.h (SETUP_FRAME_ADDRESSES): Define.
8797 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
8798 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
8799 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
8800 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
8801 rs6000_aix_emit_builtin_unwind_init.
8802 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
8803 rs6000_emit_eh_toc_restore on AIX.
8804 (return_eh_si): Use r2.
8805 (return_eh_di): Use r2.
8807 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
8808 since we're breaking binary compatibility anyway.
8810 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
8812 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
8813 constant_pool_expr_p): Declare them.
8814 (constant_pool_expr_p): Declare it.
8815 * config/rs6000/rs6000.c (toc_label_name): Define.
8816 (rs6000_override_options): Set toc_label_name.
8817 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
8818 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
8819 uses_TOC): New functions.
8820 (print_operand): Delete old '*' case.
8821 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
8822 and strip off rtl for TOC before calling output_addr_const.
8823 (rs6000_emit_load_toc_table): Use toc_label_name.
8824 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
8826 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
8827 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
8828 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
8829 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
8830 into explicit TOC_REGISTER offsets.
8831 (TOC_REGISTER): New macro.
8832 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
8833 TARGET_TOC to reference TOC_REGISTER.
8834 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
8835 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
8836 uses_TOC before emitting label references.
8838 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8840 * rs6000.md (stack_tie): Fix warning.
8842 * eabi-ctors.c: Use 'asm' names for the start/end variables,
8843 to handle -fleading-underscore.
8844 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
8845 (USER_LABEL_PREFIX): New macro.
8846 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
8847 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
8848 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
8849 call-linux can use the same multilibs.
8850 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
8851 and call-linux multilibs. Do multilib with -fleading-underscore.
8852 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
8853 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
8856 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
8857 have MASK_SOFT_FLOAT set.
8858 (CPP_FLOAT_DEFAULT_SPEC): New macro.
8859 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
8860 CPP_FLOAT_DEFAULT_SPEC.
8862 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
8863 * rs6000.md: Whitespace change.
8864 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
8865 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
8867 2000-02-05 Geoff Keating <geoffk@cygnus.com>
8869 * rs6000.md (eh_epilogue): New expander.
8870 (eh_reg_restore): New expand/split/insn combination.
8871 (return_eh_si): New insn.
8872 (return_eh_di): New insn.
8874 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
8875 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
8876 * eabi-ctors.c (__do_global_ctors): Register this object's
8877 frame. Clean up. Call atexit() after the constructors.
8878 (__do_global_dtors): Deregister this object's frame. Clean up.
8879 Allow for recursive calls to exit().
8880 * rs6000.c (fixuplabelno): New variable.
8881 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
8882 TARGET_RELOCATABLE, it slows down exec() under linux.
8883 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
8885 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
8886 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
8887 (ASM_OUTPUT_DWARF_DELTA2): New macro.
8888 (ASM_OUTPUT_DWARF_DELTA4): New macro.
8889 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
8890 (ASM_OUTPUT_DWARF_ADDR): New macro.
8891 (ASM_OUTPUT_DWARF_DATA4): New macro.
8892 (ASM_OUTPUT_DWARF_DATA2): New macro.
8893 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
8894 (ASM_OUTPUT_DWARF_OFFSET): New macro.
8895 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
8897 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8899 * rs6000.c (rs6000_sr_alias_set): New variable.
8900 (rs6000_override_options): Initialise rs6000_sr_alias_set.
8901 (rs6000_emit_stack_tie): New function.
8902 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
8903 in a way that dwarf2out can understand.
8904 (rs6000_frame_related): New function.
8905 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
8906 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
8907 Use rs6000_emit_stack_tie when needed.
8908 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
8909 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
8910 * rs6000.md (stack_tie): New insn.
8911 (return_internal_si): Allow return value to be in the count
8913 (return_internal_di): Likewise.
8915 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
8917 2000-02-03 Geoff Keating <geoffk@cygnus.com>
8919 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
8921 2000-01-31 Geoff Keating <geoffk@cygnus.com>
8923 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
8925 * rs6000.md (stmw): Use the right POWER opcode.
8928 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8930 * rs6000-protos.h: New file.
8932 * rs6000.c: Include tm_p.h. Fix compile time warnings.
8934 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
8937 * sysv4.h: Likewise.
8939 2000-01-28 Geoff Keating <geoffk@cygnus.com>
8941 * ../../configure.in: Delete powerpcle-*-winnt*
8942 and powerpcle-*-pe|powerpcle-*-cygwin*.
8943 * ../../configure: Regenerated.
8945 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
8946 (TARGET_WINDOWS_NT): Delete.
8948 (CALL_NT_DLLIMPORT): Delete.
8949 Delete NT-specific code.
8950 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
8953 * nt-ci.asm: Delete.
8954 * nt-cn.asm: Delete.
8955 * ntstack.asm: Delete.
8957 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8959 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
8960 (ASM_FILE_START): Likewise.
8961 (ASM_DECLARE_FUNCTION_NAME): Likewise.
8962 (ASM_OUTPUT_LABELREF): Likewise.
8963 (ASM_OUTPUT_SKIP): Likewise.
8964 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
8965 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
8966 (ASM_OUTPUT_CASE_LABEL): Likewise.
8967 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
8968 (ASM_OUTPUT_ASCII): Likewise.
8970 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
8972 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
8973 reload_toc_labelno for non-prologue TOC reloads. Also, don't
8974 increment rs6000_pic_labelno here.
8975 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
8976 and increment rs6000_pic_labelno here.
8978 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
8980 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
8981 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
8982 allocation knows (reg) is dead before the insn.
8984 2000-01-21 Geoff Keating <geoffk@cygnus.com>
8986 * rs6000.md (movsi_to_cr): Correct typo in output template.
8988 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
8990 * rs6000.c (rs6000_pic_labelno): Always define.
8991 (rs6000_pic_func_labelno): Delete.
8992 (lmw_operation): Check for a zero base register,
8993 which doesn't mean what we want.
8994 (stmw_operation): New function.
8995 (print_operand): Define new 'l' modifier.
8996 (rs6000_stack_info): We must save all 64 bits of the registers
8997 if TARGET_POWERPC64.
8998 (rs6000_output_load_toc_table): Delete.
8999 (rs6000_emit_load_toc_table): New function.
9000 (rs6000_allocate_stack_space): Delete.
9001 (rs6000_emit_allocate_stack): New function.
9002 (rs6000_emit_prologue): New function.
9003 (output_prolog): Use rs6000_emit_prologue.
9004 (rs6000_emit_epilogue): Change a few variable names to be
9005 more accurate. Restore all 64 bits of the registers if
9006 TARGET_POWERPC64. Only restore the FP registers which were used
9007 if they are being saved/restored one-at-a-time.
9008 (output_mi_thunk): Delete inefficient code generation.
9009 (output_function_profiler): Don't use rs6000_output_load_toc_table.
9010 * rs6000.h: Declare rs6000_emit_load_toc_table,
9011 rs6000_allocate_stack_space, stmw_operation. Don't declare
9012 rs6000_output_load_toc_table.
9013 * rs6000.md (elf_high): Allow register 0, but discourage it
9015 (elf_low): Support loading into register 0.
9016 (load_toc_aix_si): New pattern.
9017 (load_toc_aix_di): New pattern.
9018 (load_toc_v4_pic_si): New pattern.
9019 (load_toc_v4_pic_di): New pattern.
9020 (load_toc_v4_PIC_1): New pattern.
9021 (load_toc_v4_PIC_1b): New pattern.
9022 (load_toc_v4_PIC_2): New pattern.
9023 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
9024 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
9025 (prologue): New expander.
9026 (movesi_from_cr): New pattern.
9027 (stmw): New pattern.
9028 (save_fpregs_si): New pattern.
9029 (save_fpregs_di): New pattern.
9031 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9033 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
9038 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9040 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
9042 (movsi_got_internal): Likewise.
9043 (movsi_got_internal+1): Likewise.
9044 (set_sp): 'unspec 7' does a SImode clobber.
9046 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9048 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
9049 allocate a stack temporary.
9050 (floatsidf2_internal): Likewise.
9051 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
9053 (floatunssidf2): Don't use the fpmem "register", just
9054 allocate a stack temporary.
9055 (floatunssidf2_internal): Likewise.
9056 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
9058 (floatsidf2_loadaddr): Delete.
9059 (floatsidf2_store1): Delete.
9060 (floatsidf2_store2): Delete.
9061 (floatsidf2_load): Delete.
9062 (fix_truncdfsi2): Don't use the fpmem "register", just
9063 allocate a stack temporary.
9064 (fix_truncdfsi2_internal_si): Delete.
9065 (fix_truncdfsi2_internal_di): Delete.
9066 (fix_truncdfsi2_internal): New insn.
9067 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
9068 (fix_truncdfsi2_store): Delete.
9069 (fix_truncdfsi2_load): Delete.
9070 (fctiwz): Produce gen_fctiwz.
9072 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
9074 * eabi.h (INVOKE__main): Define.
9075 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
9077 (rs6000_emit_prologue): Likewise.
9078 * rs6000.h (struct rs6000_stack): Don't keep track of whether
9079 this is the main program.
9081 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9083 * rs6000.c (rs6000_va_arg): Delete some unused variables.
9085 2000-01-19 Geoff Keating <geoffk@cygnus.com>
9087 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
9088 goes after the argument.
9090 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9092 * rs6000.md: Document 'unspec' values used.
9093 (epilogue): New expander.
9094 (movesi_to_cr_one): New expander.
9095 (movesi_to_cr and following): New pattern.
9097 (return_internal_si): New pattern.
9098 (return_internal_di): New pattern.
9099 (return_and_restore_fpregs_si): New pattern.
9100 (return_and_restore_fpregs_di): New pattern.
9101 * rs6000.h: Declare new functions.
9102 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
9103 rather than rs6000_calls_p.
9104 (rs6000_makes_calls): Delete.
9105 (lmw_operation): New function.
9106 (mtcrf_operation): New function.
9107 (rs6000_emit_epilogue): New function.
9108 (output_epilog): Call rs6000_emit_epilogue and final if
9109 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
9111 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9113 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
9114 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
9115 * aix.h (SUBTARGET_SWITCHES): Document switches.
9116 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
9117 sched-prolog and sched-epilog the same. Document all the
9119 (TARGET_OPTIONS): No longer allow -mdebug-.
9121 2000-01-12 Geoff Keating <geoffk@cygnus.com>
9123 * rs6000.h (ASM_FILE_END): Move to aix.h.
9124 (EXTRA_SECTIONS): Move to aix.h.
9125 (READONLY_DATA_SECTION): Move to aix.h.
9126 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
9127 (SELECT_SECTION): Move to aix.h.
9128 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
9129 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
9130 (LINK_REGISTER_REGNUM): New definition.
9131 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
9132 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
9134 * sysv4.h: Delete the code between the inclusion of rs6000.h
9136 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
9137 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
9138 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
9139 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
9140 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
9141 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
9142 (fix_truncdfsi2_internal_di): New pattern.
9143 (fix_truncdfsi2_store): The second arg here is Pmode too.
9144 (fix_truncdfsi2_load): The second arg here is Pmode too.
9145 (tablejumpdi): Now that switch tables hold only SImode values,
9146 gcc needs to know how to add them to the pc which is DImode.
9147 * rs6000.c (rs6000_stack_info): Use symbolic name for
9148 LINK_REGISTER_REGNUM.
9149 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
9150 (output_toc): Delete unused variables s1 and s2.
9151 (output_ascii): Use fputs not fprintf on a variable string.
9153 2000-01-07 David Edelsohn <edelsohn@gnu.org>
9155 * rs6000.c (processor_target_table): Add power3 as alias for 630.
9156 * aix43.h: Revert Aug 2 change.
9157 (HAS_INIT_SECTION): Define, not visible yet.
9158 (LD_INIT_SWITCH): Define, not visible yet.
9159 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
9161 2000-01-04 Joel Sherrill (joel@OARcorp.com>
9163 * config/rs6000/rtems.h: Include config/rtems.h.
9165 2000-01-04 David Edelsohn <edelsohn@gnu.org>
9167 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
9168 (SLOW_UNALIGNED_ACCESS): Define.
9169 (CASE_VECTOR_MODE): Always use 32-bit offsets.
9170 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
9171 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
9172 (toc_section): Likewise and .toc pseudo-op.
9173 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
9175 (TEXT_SECTION_ASM_OP): Likewise.
9176 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
9179 1999-12-17 Jakub Jelinek <jakub@redhat.com>
9181 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
9182 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
9185 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9187 * rs6000.h: Move more stuff from here...
9189 * sysv4.h: Cleanup accordingly.
9190 * netware.h: Likewise
9192 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9194 * rs6000.h: Continue cleanup.
9197 * netware.h: Likewise.
9199 * sysv4.h: Likewise.
9200 * win-nt.h: Likewise.
9202 * rs6000.h (TARGET_SWITCHES): Add descriptions.
9203 (TARGET_OPTIONS): Likewise.
9205 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
9206 (SUBTARGET_OPTIONS): Likewise.
9208 * rs6000.md: Fix compile time warnings.
9210 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9212 vxworks patches from the Cygnus tree originally by
9213 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
9214 <vmakarov@cygnus.com>.
9215 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
9216 (ENDFILE_SPEC): Likewise.
9217 (LIB_VXWORKS_SPEC): New macro.
9218 (STARTFILE_VXWORKS_SPEC): New macro.
9219 (ENDFILE_VXWORKS_SPEC): New macro.
9220 (LINK_START_VXWORKS_SPEC): New macro.
9221 (LINK_OS_VXWORKS_SPEC): New macro.
9222 (CPP_OS_VXWORKS_SPEC): New macro.
9223 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
9224 * vxppc.h: Rewrite to use proper configuration method.
9225 * vxppcle.h: New file.
9226 * ../../configure.in: Add powerpcle-wrs-vxworks*.
9227 * ../../configure: Rebuilt.
9229 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9231 Lots of changes to rs6000.h, sysv4.h, aix.h,
9232 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
9233 with the aim that rs6000.h is the first header
9234 included and the others override it.
9237 * x-aix41-gld: Remove.
9239 * x-aix41: Remove target-specific switches, and don't specify
9240 -Wl,-bbigtoc as we don't need it any more.
9241 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
9242 Use t-aix43 for AIX 4.3 and above.
9243 * ../../configure: Regenerated.
9245 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
9246 options, that don't do anything yet.
9247 (MASK_SCHED_PROLOG): New macro.
9248 (MASK_SCHED_EPILOG): New macro.
9249 (TARGET_SCHED_PROLOG): New macro.
9250 (TARGET_SCHED_EPILOG): New macro.
9252 2000-01-04 Geoff Keating <geoffk@cygnus.com>
9254 * rs6000.c: Correct comment, the `minimal' TOCs are actually
9255 one per translation unit, not one per function.
9256 (output_toc): Also do duplicate constant elimination
9257 for per-translation-unit TOCs.
9259 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
9260 a comment explaining _exactly_ when this pattern gets used.
9261 (builtin_setjmp_receiver): New pattern for better clarity.
9262 (init_v4_pic): Move it into a section dealing with TOC registers.
9264 1999-12-30 Geoff Keating <geoffk@cygnus.com>
9266 * rs6000.c (toc_hash_table): New variable.
9267 (rs6000_hash_constant): New function.
9268 (toc_hash_function): New function.
9269 (toc_hash_eq): New function.
9270 (toc_hash_mark_entry): New function.
9271 (toc_hash_mark_table): New function.
9272 (output_toc): Don't output duplicate TOC entries in
9274 (rs6000_add_gc_roots): Add the hash table as a GC root.
9275 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
9276 where they clearly shouldn't be. This may need to be fixed
9277 later when there is a GNU ar for AIX.
9278 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
9279 Don't define BOOT_LDFLAGS as it is now not necessary.
9281 1999-12-29 Geoff Keating <geoffk@cygnus.com>
9283 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
9284 for va_list on AIX. Use unsigned_char_type_node rather than
9285 constructing our own version on svr4.
9287 1999-12-17 Geoff Keating <geoffk@cygnus.com>
9289 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
9290 since patently it's not.
9292 1999-12-08 Geoff Keating <geoffk@cygnus.com>
9294 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
9295 define_expand/define_insn pair, and handle restore of the
9296 SVR4 -fpic register.
9298 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
9300 * acconfig.h (HAVE_GAS_WEAK): New define.
9301 * configure.in (assembler weak support): Check for .weak support.
9302 * config.in, configure: Rebuilt.
9303 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
9304 HAVE_GAS_WEAK is defined.
9306 2000-03-15 Nick Clifton <nickc@cygnus.com>
9308 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
9311 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
9313 * cppfiles.c (open_include_file): New function.
9314 (find_include_file, cpp_read_file): Use it.
9316 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9318 * cpphash.c (dump_hash_helper): Take the slot, not the element.
9320 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
9322 * flow.c (verify_flow_info): Check for unconditional return.
9324 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
9326 * config/ia64/ia64.md (restore_stack_nonlocal): New.
9327 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
9328 (__ia64_restore_stack_nonlocal): New.
9329 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
9331 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9333 * cpphash.c (collect_formal_parameters): Do not complain about
9334 parameter names that just start with `__VA_ARGS__'.
9336 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
9338 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
9339 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
9340 * i386.c (pentiumpro_cost): Set mul cost to 4.
9341 (x86_use_movx): Set for PPro.
9343 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
9345 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
9346 STACK_BOUNDARY for empty frames now.
9348 2000-03-14 Mark Mitchell <mark@codesourcery.com>
9350 * stor-layout.c (layout_union): Remove.
9351 (layout_union_field): New function, split out from layout_union.
9352 (finish_union_layout): Likewise.
9353 (layout_field): Handle unions by calling layout_union_field.
9354 (finish_record_layout): Handle unions.
9355 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
9356 QUAL_UNION_TYPE handling.
9358 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
9360 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
9361 end of basic block is jump_insn, not barrier; use create_basic_block
9362 instead of creating basic block by hand.
9364 2000-03-14 Jason Eckhardt <jle@cygnus.com>
9366 * flow.c (reorder_basic_blocks): Account for barriers when writing
9367 over NEXT_INSN (last_bb->end).
9368 (verify_flow_info): Add check for missing barriers.
9370 2000-03-14 Greg McGary <gkm@gnu.org>
9372 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
9373 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
9374 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
9375 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
9376 __unbounded, __unbounded__): New keywords.
9377 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
9378 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
9379 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
9381 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
9383 * cselib.h: New file.
9384 * alias.c: Include "cselib.h".
9385 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
9386 MEMs as two new arguments.
9387 (get_addr): New static function.
9388 (find_base_term): Handle VALUEs.
9389 (memrefs_conflict_p): Likewise.
9390 (true_dependence): Call get_addr on the addresses.
9391 Call fixed_scalar_and_varying_struct_p with addresses that have been
9392 passed through get_addr and canon_rtx.
9393 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
9394 with true_dependence.
9395 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
9396 * loop.c: Include "cselib.h".
9397 (load_mems): Process extended basic block that enters the loop with
9398 cselib. Use that information to change initialization of the shadow
9399 register so that a constant equivalence is seen by later passes.
9400 * reload1.c: Include "cselib.h".
9401 (reload_cse_invalidate_regno): Delete function.
9402 (reload_cse_mem_conflict_p): Likewise.
9403 (reload_cse_invalidate_mem): Likewise.
9404 (reload_cse_invalidate_rtx): Likewise.
9405 (reload_cse_regno_equal_p): Likewise.
9406 (reload_cse_check_clobber): Likewise.
9407 (reload_cse_record_set): Likewise.
9408 (reg_values): Delete static variable.
9409 (invalidate_regno_rtx): Likewise.
9410 (reload_cse_delete_noop_set): New static function.
9411 (reload_cse_simplify): New static function, broken out of
9413 (reload_cse_noop_set_p): Delete unused argument INSN.
9414 Just call rtx_equal_for_cselib_p on set source and destination.
9415 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
9416 reload_cse_delete_noop_set. Delete code to keep track of values; use
9417 cselib functions instead. Delete code to push/pop obstacks.
9418 (reload_cse_simplify_set): Use cselib to find equivalent values.
9419 Delete code to push/pop obstacks.
9420 (reload_cse_simplify_operands): Likewise.
9421 * rtl.def (VALUE): New rtx code.
9422 * rtl.h (union rtunion_def): New elt rt_cselib.
9423 (X0CSELIB, CSELIB_VAL_PTR): New macros.
9424 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
9425 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
9426 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
9427 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
9428 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
9429 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
9430 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
9431 cselib_record_set, cselib_record_sets): New static functions.
9432 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
9433 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
9434 references_value_p): New functions.
9435 (MAX_USELESS_VALUES, REG_VALUES): New macros.
9436 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
9437 n_useless_values, reg_values, callmem, cselib_obstack,
9438 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
9439 New static variables.
9440 * varray.h (union varray_data_tag): New elt te.
9441 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
9442 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
9445 2000-03-14 Nick Clifton <nickc@cygnus.com>
9447 * gcc.c (do_spec_1): Catch the case where %* is used in a
9448 substitution pattern, but it has not been initialised.
9449 Issue a meaningful error message if an unrecognised operator
9450 is encountered in a spec string.
9452 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
9454 * function.c (prepare_function_start): Correctly initialize
9455 cfun->stack_alignment_needed.
9457 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
9459 * cppfiles.c (find_include_file): Don't assume nshort is a
9462 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
9464 * configure.in (hppa configurations): Add pa32-regs.h to the
9465 list of tm files as appropriate.
9466 * configure: Rebuilt.
9467 * pa.c (compute_frame_size): Remove explicit knowledge about FP
9469 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
9470 (fmpyaddoperands, fmpysuboperands): Likewise.
9471 * pa.h: Remove various definitions which depend on knowing
9472 how registers are numbered.
9473 * pa32-regs.h: New file with PA32 register numbering specific
9476 2000-03-14 Richard Henderson <rth@cygnus.com>
9478 * regmove.c (combine_stack_adjustments): New.
9479 (stack_memref_p, single_set_for_csa): New.
9480 (free_csa_memlist, record_one_stack_memref): New.
9481 (try_apply_stack_adjustment): New.
9482 (combine_stack_adjustments_for_block): New.
9483 * rtl.h (combine_stack_adjustments): Declare.
9484 * toplev.c (rest_of_compilation): Call it.
9486 * i386.md: Revert 2000-01-16 change.
9488 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9490 * gccbug.in: Add web category, gcc specific classes.
9492 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
9494 * stor-layout.c (finalize_record_size): Fix typo.
9496 2000-03-14 Stan Shebs <shebs@apple.com>
9498 * c-typeck.c (c_alignof): Error on incomplete types.
9499 * extend.texi (Alignment): Document this.
9501 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9503 * cppfiles.c: Include mkdeps.h.
9504 (find_include_file, read_include_file): Remove _cpp_ prefix
9505 from name, make static.
9506 (_cpp_execute_include): New function, broken out of
9509 * cpplib.c: Don't include mkdeps.h.
9510 (struct directive): Remove type field. Reorder entries. The
9511 function takes only one argument.
9512 (struct if_stack): Make type field an int.
9513 (directive_table): Rename to dtable. Generate it, the
9514 prototypes of the directive handlers, and the enum for the
9515 directive numbers, from a template macro.
9516 (do_ifndef, do_include_next, do_import): New functions.
9517 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
9518 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
9519 do_ident, do_assert, do_unassert, do_sccs): Take only one
9521 (do_sccs): Define always, but alter behavior based on
9523 (_cpp_handle_directive, consider_directive_while_skipping):
9524 Restructure for new directive table layout.
9526 (pass_thru_directive): Take a directive number, not a pointer
9527 to a struct directive.
9528 (parse_include): New function, broken out of do_include.
9529 (do_include, do_import, do_include_next): Use parse_include
9530 and _cpp_execute_include.
9531 (do_elif, do_else): Test for T_ELSE specifically when checking
9532 for #elif/#else after #else.
9533 (parse_ifdef): New function, broken out of do_ifdef.
9534 (validate_else): Expect a name arg without a leading #.
9535 (if_directive_name): Delete.
9536 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
9537 directive handlers with only one argument.
9539 * cpphash.h: Update prototypes.
9540 (enum node_type): Remove entries for directives.
9541 * Makefile.in: Update dependencies.
9543 * cpphash.c (dump_hash_helper): Only dump nodes of type
9544 T_MACRO. Emit a newline after each definition.
9546 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9548 * gccbug.in: New file.
9549 * configure.in (all_outputs): Add gccbug.
9550 * Makefile.in (install-common): Install gccbug.
9551 (GCCBUG_INSTALL_NAME): New variable.
9552 * configure: Rebuilt.
9554 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9556 * function.c (put_var_into_stack): Use type_for_mode to calculate
9557 part_type. Use MEM_SET_IN_STRUCT_P.
9558 * expr.c (store_field): Handle CONCAT.
9559 (store_constructor): Use fields_length.
9560 * tree.c (fields_length): New fn.
9561 * tree.h: Declare it.
9563 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9565 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
9566 (cpplex.o): New target.
9567 * po/POTFILES.in: Add cpplex.c.
9569 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
9570 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
9571 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
9572 skip_block_comment, skip_line_comment, skip_comment,
9573 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
9574 _cpp_parse_name, skip_string, parse_string,
9575 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
9576 _cpp_get_directive_token, find_position,
9577 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
9578 (maybe_macroexpand, _cpp_lex_token): New functions.
9580 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
9581 parse_goto_mark): Delete.
9582 (_cpp_handle_eof): New function.
9583 (_cpp_handle_directive): Rename from handle_directive.
9584 (_cpp_output_line_command): Rename from output_line_command.
9585 (do_if, do_elif): Call _cpp_parse_expr directly.
9586 * cppfiles.c (_cpp_read_include_file): Don't call
9587 init_input_buffer here.
9588 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
9589 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
9590 here; pop the token_buffer and skip the rest of the line here.
9591 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
9594 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
9596 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
9597 CPP_GOTO_MARK): New macros.
9598 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
9599 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
9600 _cpp_read_and_prescan, _cpp_init_input_buffer,
9601 _cpp_grow_token_buffer, _cpp_get_directive_token,
9602 _cpp_handle_directive, _cpp_handle_eof,
9603 _cpp_output_line_command): Prototype them here.
9604 * cpplib.h (enum cpp_token): Add CPP_MACRO.
9605 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
9606 quote_string, output_line_command): Remove.
9608 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
9610 * stmt.c (expand_end_case): RANGE may be signed, and when checking
9611 whether it is too large we must also verify that it isn't negative.
9613 2000-03-13 Jakub Jelinek <jakub@redhat.com>
9615 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
9616 (movsi_zero_liveg0): Remove.
9617 (movsf_insn_novis_liveg0): Remove.
9619 (negsi2_not_liveg0): Rename to negsi2.
9620 (one_cmplsi2): Remove.
9621 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
9622 (one_cmplsi2_liveg0): Remove.
9623 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
9624 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
9625 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
9626 (PREDICATE_CODES): Remove zero_operand.
9627 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
9628 TARGET_BROKEN_SAVERESTORE.
9629 (zero_operand): Remove.
9630 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
9631 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
9633 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
9634 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
9635 TARGET_BROKEN_SAVERESTORE): Remove.
9636 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9638 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9640 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
9643 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
9645 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
9647 * cpplib.c (do_pragma_implementation): Fix off-by-one error
9648 truncating a string. Don't assume tokens are nul terminated.
9649 Problem noted by Andreas Jaeger <aj@suse.de>
9651 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
9653 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
9654 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
9655 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
9657 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
9659 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
9660 STRUCTURE_SIZE_BOUNDARY.
9662 2000-03-13 Mark Mitchell <mark@codesourcery.com>
9664 * tree.h (record_layout_info_s): New structure.
9665 (record_layout_info): New type.
9666 (new_record_layout_info): New function.
9667 (layout_field): Likewise.
9668 (finish_record_layout): Likewise.
9669 * stor-layout.c (layout_record): Remove.
9670 (new_record_layout_info): New function.
9671 (layout_field): New function, broken out from layout_record.
9672 (finalize_record_size): Likewise.
9673 (compute_record_mode): Likewise.
9674 (finalize_type_size): New function, broken out from layout_type.
9675 (finish_record_layout): Likewise.
9676 (layout_type): Use them.
9678 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9680 * cpphash.c: Don't include version.h.
9681 (special_symbol) [case T_VERSION]: Look for the string in
9682 hp->value.cpval; don't use version_string.
9683 * cppinit.c (initialize_builtins): Set hp->value.cpval for
9684 __VERSION__ to version_string.
9685 * Makefile.in (cpphash.o): Update deps.
9687 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
9689 Convert cpplib to use libiberty/hashtab.c.
9691 * cpplib.h (struct cpp_reader): Make hashtab and
9692 all_include_files of type 'struct htab *'. Delete HASHSIZE
9693 and ALL_INCLUDE_HASHSIZE macros.
9695 * cpphash.h: Update prototypes.
9696 (struct hashnode): Remove next, prev, and bucket_hdr members.
9697 Make length a size_t. Add hash member.
9698 (struct ihash): Remove next member. Add hash member. Make
9699 name a flexible array member.
9701 * cppfiles.c: Include hashtab.h.
9702 (include_hash): Delete.
9703 (IHASHSIZE): New macro.
9704 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
9705 (cpp_included): Do the hash lookup here.
9706 (_cpp_find_include_file): Rewrite.
9707 (cpp_read_file): Put the "fake" hash entry into the hash
9708 table. Honor the control_macro, if it turns out we've seen
9709 the file before. Don't push the buffer here.
9710 (_cpp_read_include_file): Push the buffer here.
9711 (OMODES): New macro. Use it whenever we call open(2).
9713 * cpphash.c: Include hashtab.h.
9714 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
9715 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
9716 _cpp_lookup_slot): New functions.
9717 (HASHSIZE): new macro.
9718 (hashf, _cpp_install, _cpp_delete_macro): Delete.
9719 (_cpp_lookup): Use hashtab.h routines.
9721 * cppinit.c: Include hashtab.h.
9722 (cpp_reader_init): Call _cpp_init_macro_hash and
9723 _cpp_init_include_hash. Don't allocate hashtab directly.
9724 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
9725 pfile->all_include_files.
9726 (initialize_builtins): Use _cpp_make_hashnode and
9727 htab_find_slot to add hash entries.
9728 (cpp_finish): Just call _cpp_dump_macro_hash.
9729 * cpplib.c: Include hashtab.h.
9730 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
9731 create hash entries.
9732 (do_pragma_poison, do_assert): Likewise.
9733 (do_include): Don't push the buffer here. Don't increment
9734 system_include_depth unless _cpp_read_include_file succeeds.
9735 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
9737 (do_pragma_implementation): Use alloca to create copy.
9739 * Makefile.in: Update dependencies.
9741 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9743 * cppinit.c (cl_directive_handler): More K&R fixing.
9745 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
9747 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
9749 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
9751 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9753 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
9754 Change from char[] to macros.
9756 2000-03-12 Neil Booth <NeilB@earthling.net>
9758 * cppinit.c (cpp_start_read): Update indirect function
9761 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
9763 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
9766 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9767 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
9769 2000-03-11 Neil Booth <NeilB@earthling.net>
9771 * cppinit.c (struct pending option): Replace undef with a
9772 pointer to a directive handling routine.
9773 (struct cpp_pending): Replace separate assert_ and define_
9774 lists with one directive_ list.
9775 (new_pending_define): Rename new_pending_directive. Extra
9776 argument is the directive's handling routine.
9777 (handle_option): Update to use new_pending_directive.
9779 2000-03-11 Neil Booth <NeilB@earthling.net>
9781 * cppfiles.c (file_cleanup, _cpp_find_include_file,
9782 remap_filename, _cpp_read_include_file, actual_directory,
9783 hack_vms_include_specification): Replace bcopy(), index() etc
9784 calls. Add casts to some allocations. Make some variables
9785 pointers to const [unsigned] char.
9786 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
9787 collect_formal_parameters): Similarly.
9788 * cppinit.c (struct pending_option, append_include_chain,
9789 cpp_options_init, cpp_reader_init, initialize_standard_includes,
9790 cpp_start_read, new_pending_define, handle_option): Similarly.
9791 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
9792 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
9793 do_pragma_implementation, detect_if_not_defined,
9794 do_ifdef, skip_if_group, cpp_get_token, parse_string,
9795 do_assert, do_unassert): Similarly.
9796 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
9797 function prototypes.
9798 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
9800 2000-03-10 Richard Henderson <rth@cygnus.com>
9802 * builtins.c (expand_builtin_strlen): Revert last change.
9803 Use emit_insn_before if we're at the beginning of a sequence.
9805 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
9807 * builtins.c (expand_builtin_strlen): Make sure that we have something
9808 at the beginning of the sequence.
9810 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
9813 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
9815 2000-03-10 Richard Henderson <rth@cygnus.com>
9817 * except.c (can_throw): Use INTVAL on a CONST_INT.
9818 (reachable_handlers): Likewise.
9819 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
9821 2000-03-10 Andreas Jaeger <aj@suse.de>
9823 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
9824 MD_STARTFILE_PREFIX since those are not needed on linux.
9825 (ASM_FILE_START): New, from mips/gnu.h.
9827 2000-03-09 Richard Henderson <rth@cygnus.com>
9828 Alex Samuel <samuel@codesourcery.com> and others
9830 * Makefile.in (ssa.o): New rule.
9832 (STAGESTUFF): Add *.ssa and *.ussa.
9833 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
9834 * rtl.def (PHI): New RTL expression.
9835 * rtl.h (clear_log_links): New declaration.
9836 (convert_to_ssa): Likewise.
9837 (convert_from_ssa): Likewise.
9838 * flow.c (split_edge): If the entry node falls through to the
9839 split edge's source block, split the entry edge.
9840 (clear_log_links): New function.
9841 * toplev.c (ssa_dump): New variable.
9842 (flag_ssa): Likewise.
9843 (f_options): Add "ssa".
9844 (compile_file): Create SSA dump files.
9845 (rest_of_compilation): Go to and from SSA if enabled.
9846 (decide_d_option): Handle -de for SSA dump files.
9849 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
9851 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
9854 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
9856 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
9858 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
9860 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
9861 (MD_STARTFILE_PREFIX_1): New macro.
9863 2000-03-09 Robert Lipe <robertl@sco.com>
9865 * config/ia64/ia64.c: Include system.h.
9867 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9869 * except.c (nothrow_function_p): If -fno-exceptions, just return.
9870 (init_eh_nesting_info): Likewise.
9872 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
9873 (TREE_NOTHROW): Rename from TREE_RAISES.
9874 * toplev.c (rest_of_compilation): Set it.
9875 * print-tree.c (print_node): Adjust.
9876 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
9877 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
9878 * calls.c (emit_call_1): Add 'nothrow' parm. Add
9879 REG_EH_REGION note as appropriate.
9880 (libfunc_nothrow): New fn.
9881 (emit_library_call, emit_library_call_value): Use it.
9882 (expand_call): Check TREE_NOTHROW.
9884 * varasm.c (make_decl_rtl): Skip initial '*' when setting
9885 DECL_ASSEMBLER_NAME.
9887 2000-03-09 Andreas Jaeger <aj@suse.de>
9889 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
9890 (TARGET_MEM_FUNCTIONS): Define.
9892 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
9894 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
9896 * except.c (can_throw): See through a SEQUENCE.
9897 (nothrow_function_p): New fn.
9898 * except.h: Declare it.
9899 * function.c (current_function_nothrow): New var.
9900 (prepare_function_start): Initialize it.
9901 * output.h: Declare it.
9902 * toplev.c (rest_of_compilation): Set it.
9903 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
9905 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
9907 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
9908 match. (cpp_compare_defs): Count the nul separator when
9909 advancing over argument names.
9911 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
9913 * recog.c (preprocess_constraints): Matching constraints affect
9914 same alternative/different operand, not same operand/different
9917 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
9918 register and a constant specially.
9920 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9922 * libgcc2.h: New file.
9923 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
9925 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
9927 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
9928 * configure: Regenerate.
9931 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9933 * Makefile.in (LIBCPP_DEPS): New macro.
9934 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
9936 * cpperror.c: Include cpphash.h.
9937 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
9939 (lex): Don't use CPP_WARN_UNDEF.
9940 (_cpp_parse_expr): Return an int, the truth value.
9941 * cppfiles.c: Include cpphash.h.
9942 (_cpp_merge_include_chains): Move to cppinit.c and make static.
9943 * cppinit.c (include_defaults_array): Disentangle.
9944 (cpp_cleanup): Don't free the if stack here.
9945 (cpp_finish): Pop off all buffers, not just one.
9946 * cpplib.c (eval_if_expr): Return int.
9947 (do_xifdef): Rename do_ifdef.
9948 (handle_directive): Don't use CPP_PREPROCESSED.
9949 (cpp_get_token): Don't use CPP_C89.
9950 * fix-header.c: Don't use CPP_OPTIONS.
9952 * cpplib.h: Move U_CHAR, enum node_type, struct
9953 file_name_list, struct ihash, is_idchar, is_idstart,
9954 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
9955 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
9956 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
9957 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
9958 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
9959 of _cpp_simplify_pathname, _cpp_find_include_file,
9960 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
9961 Move struct if_stack to cpplib.c. Move struct cpp_pending to
9963 Change all uses of U_CHAR to be unsigned char instead.
9964 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
9966 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
9968 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
9969 (dwarf2out_begin_prologue): Set it.
9970 (output_call_frame_info): Don't emit EH unwind info for leaves.
9972 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
9973 can occur outside of an EH region.
9974 * except.c: Correct comments about rethrow behavior.
9975 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
9977 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
9979 * flow.c (make_edges): Always call make_eh_edge for calls.
9981 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
9983 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
9984 (struct cpp_buffer): Remove fname and underflow fields.
9985 (struct cpp_reader): Remove get_token field.
9986 (struct include_hash): Rename to struct ihash. Add typedef to
9988 (struct if_stack): Remove fname field.
9989 (IF_STACK_FRAME): Rename to IF_STACK.
9991 * cpperror.c (print_containing_files): Trust that there are no
9992 macro buffers below the top file buffer.
9993 * cppfiles.c: Replace all references to 'struct include_hash'
9994 with 'IHASH'. Rename initialize_input_buffer to
9995 init_input_buffer. Don't set or reference cpp_buffer->fname,
9996 use buffer->ihash->name instead.
9997 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
9998 not CPP_NULL_BUFFER.
9999 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
10000 IF_STACK_FRAME, IHASH not struct include_hash.
10001 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
10002 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
10003 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
10004 references to cpp_buffer->fname (delete entirely, or use
10005 ->ihash->name instead) and IF_STACK->fname.
10006 (cpp_push_buffer): Don't set new->underflow.
10007 (do_include): Use cpp_file_buffer.
10009 * cpphash.c (collect_formal_parameters): Remove duplicate
10010 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
10011 used as a macro argument name. Don't append "..." to namebuf
10012 for varargs macros. After we're done scanning, go through
10013 namebuf and make it NUL separated, not comma separated.
10014 (_cpp_compare_defs): Remove register tag from variables.
10015 Expect defn->argnames to be NUL separated.
10016 (_cpp_dump_definition): Expect defn->argnames to be NUL
10017 separated and in forward order.
10018 * cpphash.h: Update documentation of argnames field.
10020 2000-03-08 Richard Henderson <rth@cygnus.com>
10022 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
10023 to fail. Don't pre-expand the source operand.
10025 * i386.md (strlensi): Initialize eoschar and align before use.
10027 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
10029 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
10030 CONSTRUCTOR element.
10032 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
10034 * mips.c (mips_expand_prologue): If the last
10035 named argument is the vararg marker "va_list", treat it as
10036 an unnamed argument.
10038 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
10040 * dbxout.c (dbxout_parms): When correcting for promoted
10041 big-endian parameters, use the mode of the DECL_RTL rather
10042 than UNITS_PER_WORD.
10044 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
10046 * c-common.h (make_fname_decl): Declare.
10047 * c-common.c (make_fname_decl): Define.
10048 (declare_hidden_char_array): Remove.
10049 (declare_function_name): Use make_fname_decl.
10050 * c-decl.c (c_make_fname_decl): New function.
10051 (init_decl_processing): Set make_fname_decl.
10053 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
10055 * cccp.c (handle_directive): Initialize backslash_newlines_p.
10057 2000-03-07 Philipp Thomas <pthomas@suse.de>
10059 * po/POTFILES.in: Remove cppalloc.c from file list.
10061 2000-03-07 Steve Chamberlain <sac@pobox.com>
10063 * pj.c (pj_expand_prologue): current_function->args_info is
10064 now current_function_args_info.
10066 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
10067 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
10068 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
10070 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10072 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
10073 output as hexadecimal rather than the default octal.
10075 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10077 * cpphash.c (special_symbol): Fix thinko in previous commit.
10079 2000-03-07 Neil Booth <NeilB@earthling.net>
10081 * cppexp.c (struct operation, left_shift, right_shift,
10082 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
10083 "int"s to "unsigned int"s.
10084 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
10086 * cpplib.h: Update for above.
10087 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
10088 returned from allocations.
10090 * cppinit.c (opt_comp, parse_options): New functions.
10091 (handle_option): Use parse_option to parse a single command
10092 line option, that possibly takes an argument.
10093 (cpp_handle_options): Sort the array of command line options on
10094 first invocation (non-ASCII hosts only).
10095 (print_help): Update.
10097 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
10099 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
10100 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
10102 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
10104 * cppinit.c (cpp_cleanup): Free imp->nshort also.
10106 * cpperror.c (cpp_print_containing_files,
10107 cpp_print_file_and_line, v_cpp_message): Rename to
10108 print_containing_files, print_file_and_line, and v_message.
10109 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
10110 to _cpp_parse_expr, parse_escape, and lex.
10111 (parse_charconst): Remove broken multibyte support.
10112 * cppfiles.c (include_hash): Make static.
10113 (cpp_included): New function.
10114 (merge_include_chains, find_include_file, finclude,
10115 simplify_pathname): Rename to _cpp_merge_include_chains,
10116 _cpp_find_include_file, _cpp_read_include_file, and
10117 _cpp_simplify_pathname.
10118 * cpphash.c (cpp_lookup, free_definition, delete_macro,
10119 cpp_install, create_definition, macroexpand, compare_defs,
10120 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
10121 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
10122 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
10123 * cppinit.c (cpp_handle_option): Rename to handle_option, make
10125 * cpplib.c: Remove extern prototype of cpp_parse_expr.
10127 * cpphash.h: Update prototypes.
10128 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
10130 2000-03-07 Andrew Haley <aph@cygnus.com>
10132 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
10133 PTRDIFF_TYPE should be based solely on Pmode.
10134 (SIZE_TYPE): ditto.
10136 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10138 * rtl.h (rtunion_def): Constify member `rtstr'.
10139 (emit_line_note_after, emit_line_note, emit_line_note_force,
10140 emit_note, decode_asm_operands): Constify.
10142 * cse.c (canon_hash): Likewise.
10144 * dbxout.c (dbxout_block): Likewise.
10146 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
10147 v_warning_for_asm): Likewise.
10149 * dwarfout.c (function_start_label): Likewise.
10151 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
10152 emit_line_note_force): Likewise.
10154 * final.c (last_filename, asm_insn_count, final_scan_insn,
10155 output_source_line): Likewise.
10157 * function.h (struct emit_status): Likewise.
10159 * gcse.c (hash_expr_1): Likewise.
10161 * genattr.c (gen_attr, main): Likewise.
10163 * genattrtab.c (struct function_unit, current_alternative_string,
10164 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
10165 attr_numeral, check_attr_test, check_attr_value,
10166 convert_set_attr_alternative, convert_set_attr,
10167 compute_alternative_mask, simplify_by_exploding, gen_attr,
10168 gen_unit): Likewise.
10170 * genflags.c (gen_insn): Likewise.
10172 * gengenrtl.c (type_from_format): Likewise.
10174 * genopinit.c (gen_insn): Likewise.
10176 * genoutput.c (n_occurrences, process_template, process_template):
10179 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10182 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
10185 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
10186 ggc_set_mark, ggc_get_size): Likewise.
10188 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
10190 * optabs.c (init_one_libfunc): Likewise.
10192 * output.h (assemble_start_function): Likewise.
10194 * recog.c (decode_asm_operands): Likewise.
10196 * toplev.c (rest_of_compilation): Likewise.
10198 * tree.h (emit_line_note_after, emit_line_note,
10199 emit_line_note_force): Likewise.
10201 * varasm.c (asm_output_bss, asm_output_aligned_bss,
10202 asm_emit_uninitialised, assemble_start_function,
10203 assemble_variable, const_hash, compare_constant_1,
10204 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
10206 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
10208 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
10210 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
10212 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
10214 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
10215 arm_dllimport_name_p): Likewise.
10217 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
10220 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
10222 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10224 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
10225 arm_mark_dllexport, arm_mark_dllimport,
10226 arm_pe_encode_section_info): Likewise.
10228 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
10229 ASM_FINISH_DECLARE_OBJECT): Likewise.
10231 * arm/thumb.c (thumb_function_prologue): Likewise.
10233 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
10235 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10237 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
10239 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
10241 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
10243 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10245 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
10246 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
10248 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
10250 * i386/i386.c (asm_output_function_prefix): Likewise.
10252 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
10254 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10256 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
10258 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
10259 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
10260 ASM_OUTPUT_SECTION_NAME): Likewise.
10262 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
10264 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
10266 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
10268 * m32r/m32r.c (m32r_encode_section_info): Likewise.
10270 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10272 * mcore/mcore.c (mcore_encode_section_info): Likewise.
10274 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10276 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10278 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10280 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
10282 * mips/mips.md (movdi, movsi): Likewise.
10284 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10286 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10288 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
10290 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10291 ASM_OUTPUT_ASCII): Likewise.
10293 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
10294 output_mi_thunk, output_toc): Likewise.
10296 * rs6000/rs6000.md (movsi): Likewise.
10298 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
10300 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
10302 * v850/v850.c (print_operand, print_operand_address,
10303 v850_encode_data_area): Likewise.
10305 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
10307 * config/mips/mips.md (zero_extendsidi2): Always force operand
10308 one to memory for mips16.
10310 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10312 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
10313 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
10314 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
10315 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
10316 (min_precision): Result is unsigned.
10317 (add_double, neg_double, mul_double): Low word is unsigned.
10318 (lshift_double, rshift_double, lrotate_double): Likewise.
10319 (rrotate_double, div_and_round_double): Likewise.
10320 (tree_floor_log2, compare_tree_int): New functions.
10321 (preserve_rtl_expr_temps): New declaration.
10322 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
10323 (decl_attributes): Use tree_log2 to find alignment.
10324 Check for TREE_INT_CST_HIGH for format args.
10325 (min_precision): Now unsigned.
10326 Use tree_floor_log2.
10327 (truthvalue_conversion): Delete long-disabled code.
10328 * c-decl.c (finish_struct): Clean up tests on field width.
10329 (finish_function): Use compare_tree_int.
10330 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
10331 * c-typeck.c (comptypes): Use tree_int_cst_equal.
10332 (default_conversion, digest_init): Use compare_tree_int.
10333 (build_binary_op): Use integer_all_onesp and compare_tree_int.
10334 Fix type errors in forming masks.
10335 * calls.c (initialize_argument_information): Use compare_tree_int.
10336 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10337 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
10338 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
10339 (store_field): Use compare_tree_int.
10340 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
10341 (expand_expr, case ARRAY_REF): Use compare_tree_int.
10342 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
10343 (do_store_flag): Use compare_tree_int.
10344 * fold-const.c (encode, decode): Low part is always unsigned.
10345 (force_fit_type, add_double, neg_double, mul_double): Likewise.
10346 (lshift_double, rshift_double, lrotate_double): Likewise.
10347 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
10348 (fold_convert): Use compare_tree_int.
10349 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
10350 (invert_truthvalue, case INTEGER_CST): Likewise.
10351 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
10352 * mkdeps.c (deps_dummy_targets): Make I unsigned.
10353 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
10354 (lshift_double, rshift_double, lrotate_double, rrotate_double):
10356 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
10357 (expand_end_case): Use compare_tree_int.
10358 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
10359 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
10360 (layout_decl): Likewise.
10361 (layout_record, layout_union): Make sizes unsigned.
10362 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
10363 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
10364 * tree.c (struct type_hash): hashcode is unsigned.
10365 (build_type_attribute_variant, type_hash_list): Likewise.
10366 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
10367 (attribute_hash_list, build_array_type, build_method_type): Likewise.
10368 (build_complex_type): Likewise.
10369 (real_value_from_int_cst): Remove unneeded casts.
10370 (integer_all_onesp): Add casts.
10371 (tree_floor_log2, compare_tree_int): New functions.
10372 (build_index_type): Use tree_int_cst_sgn.
10373 * varasm.c (assemble_variable): Use compare_tree_int.
10375 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
10377 * cpphash.c (collect_expansion): Also catch ## at start of macro.
10379 * varasm.c (make_decl_rtl): Don't add a number to members of
10381 (make_function_rtl): Likewise.
10383 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10385 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
10386 patch from 2000-01-28.
10388 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
10390 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
10391 filled with an insn from the jump target.
10393 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10395 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
10396 (c4x_external_ref): Likewise.
10397 * config/c4x/c4x.c (struct name_list): Likewise.
10399 1999-12-16 Ben Collins <bcollins@debian.org>
10401 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
10402 argument to genmultilib.
10403 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
10404 the contents into the multilib.h header.
10405 * gcc.c: Declare multilib_exclusions for the specs file.
10406 (set_multilib_dir): Use it.
10407 (print_multilib_info): Likewise.
10408 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
10409 to pass to genmultilib.
10411 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10413 * builtins.c (built_in_class_names, built_in_names): Constify a
10416 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
10418 (_mcleanup): Ensure value matches format specifier in sprintf.
10420 * cpphash.c (special_symbol): Don't needlessly cast away
10423 * cppinit.c (base_name): Delete unused prototype.
10425 * mkdeps.c (deps_init): Make definition K&R safe.
10427 * tree.h (built_in_class_names, built_in_names): Constify a
10430 2000-03-06 Jakub Jelinek <jakub@redhat.com>
10432 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
10433 floating point instructions for epilogue delay.
10435 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
10436 to gas if it supports .register pseudo.
10438 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
10439 LONG_DOUBLE_TYPE_SIZE if not defined.
10440 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
10441 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
10442 * real.c: Likewise.
10443 * gengenrtl.c: Likewise.
10444 * print-rtl.c: Likewise.
10446 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
10447 MASK_LONG_DOUBLE_128.
10448 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
10449 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
10450 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
10451 (SUBTARGET_SWITCHES): Define.
10452 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
10453 with -mlong-double-128.
10454 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10455 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10456 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10457 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
10458 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
10459 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
10460 with -mlong-double-128.
10461 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
10462 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
10463 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
10464 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
10465 TARGET_LONG_DOUBLE_128): Define.
10466 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
10467 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
10468 long double on TARGET_ARCH64.
10470 2000-03-06 Mark Mitchell <mark@codesourcery.com>
10472 * function.c (free_temps_for_rtl_expr): Don't free slots
10473 that have been pushed into a higher level.
10476 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10478 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10480 * basic-block.h (ALLOCA_REG_SET): Remove.
10481 (INITIALIZE_REG_SET): New macro.
10482 * flow.c (update_life_info): Use it.
10483 (calculate_global_regs_live): Likewise.
10484 (propagate_block): Likewise.
10485 * global.c (build_insn_chain): Likewise.
10486 * haifa-sched.c (schedule_region): Likewise.
10488 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
10490 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
10491 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
10492 (DWARF_ARANGES_PAD_SIZE): New define.
10493 (output_aranges): Use it to pad the address range header.
10494 (DWARF_ROUND): Fix for non power of 2 rounding.
10496 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
10498 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
10500 2000-03-05 Mark Mitchell <mark@codesourcery.com>
10502 * tree.def (RTL_EXPR): Update documentation.
10503 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
10504 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
10505 * function.c (preserve_rtl_expr_temp): New function.
10506 (preserve_rtl_expr_temps): Likewise.
10507 (preserve_rtl_expr_result): Use it.
10510 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10512 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
10514 * regmove.c (copy_src_to_dest) Do not create src->dest move
10515 for unchanging destination.
10517 2000-03-04 Mark Mitchell <mark@codesourcery.com>
10519 * function.h (struct sequence_stack): Remove rtl_expr.
10520 (struct emit_staus): Likewise.
10521 (seq_rtl_expr): Remove.
10522 * tree.h (free_temps_for_rtl_expr): Don't declare.
10523 (start_sequence_for_rtl_expr): Likewise.
10524 * rtl.h (preserve_rtl_expr_result): Likewise.
10525 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
10526 (start_sequence_for_rtl_expr): Remove.
10527 (push_topmost_sequence): Don't save sequence_rtl_expr.
10528 (pop_topmost_sequence): Remove comment about not restoring it.
10529 (end_sequence): Don't set seq_rtl_expr.
10530 (init_emit): Don't initialize it.
10531 (mark_sequence_stack): Don't mark it.
10532 (mark_emit_status): Likewise.
10533 * except.c (protect_with_terminate): Use
10534 start_sequence_for_rtl_expr, not start_sequence.
10535 * expr.c (expand_expr, case RTL_EXPR): Don't call
10536 preserve_rtl_expr_result or free_temps_for_rtl_expr.
10537 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
10538 (preserve_rtl_expr_result): Remove.
10539 (free_temps_for_rtl_expr): Likewise.
10540 (pop_temp_slots): Likewise.
10541 (mark_temp_slot): Don't mark the rtl_expr.
10542 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
10543 start_sequence_for_rtl_expr.
10545 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
10547 * mkdeps.c, mkdeps.h: New files.
10548 * po/POTFILES.in: Add them.
10549 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
10550 (cpplib.o, cppinit.o): Depend on mkdeps.h.
10551 (mkdeps.o): New target.
10553 * cppfiles.c: Delete deps_output.
10554 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
10555 OBJECT_SUFFIX, and base_name.
10556 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
10558 (initialize_dependency_output): Use deps_init,
10559 deps_add_target, deps_calc_target, and deps_add_dep. Remove
10560 all the unnecessary string bashing.
10561 (cpp_finish): Use deps_write. Remove an unnecessary nesting
10563 * cpplib.c (do_include): Use deps_add_dep.
10564 * cpplib.h (struct cpp_reader): Replace deps_buffer,
10565 deps_allocated_size, deps_size, deps_column members with
10566 single pointer to a struct deps. Delete prototype of
10569 * cppinit.c: Fix thinko in previous patch.
10571 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10573 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
10574 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
10575 (mode_for_size_tree): New function.
10576 (layout_decl, layout_type): Call it and clean up BLKmode checks.
10577 * tree.h (mode_for_size_tree): New declaration.
10579 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
10581 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
10583 * stmt.c (is_body_block): Move...
10584 * dwarfout.c, dwarf2out.c: ...from here.
10585 * tree.h: Declare it.
10586 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
10587 * final.c (final_start_function): Do call remove_unnecessary_notes
10590 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10592 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
10594 * cpplib.h (_dollar_ok): New macro.
10595 (is_idchar, is_idstart): Use it.
10596 (IStable): Rename to _cpp_IStable. Declare it const if
10597 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
10598 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
10599 is_space): Update for renamed IStable.
10601 * cppinit.c: Delete all references to FAKE_CONST and CAT
10602 macros. Define init_IStable as empty macro if gcc >=2.7 or
10603 C99. Change TABLE() to ISTABLE and hardcode name of table.
10604 (cpp_start_read): Don't change the IStable based on
10607 * cpphash.c (unsafe_chars): Add pfile argument. All callers
10608 changed. Handle '$' for char1 correctly.
10609 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
10611 * cppexp.c (tokentab2): Make const.
10612 (cpp_lex): Make toktab const.
10613 * cppinit.c (include_defaults_array): Make const.
10614 (initialize_standard_includes): Make default_include const.
10616 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10618 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
10619 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
10620 (gen_decl_die): Likewise.
10621 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
10622 (output_decl): Likewise.
10624 * varasm.c (make_function_rtl): If we change the name used in the
10625 rtl, update DECL_ASSEMBLER_NAME accordingly.
10626 (make_decl_rtl): Likewise.
10628 * toplev.c (rest_of_compilation): Tweak formatting.
10630 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
10631 remove_unnecessary_notes.
10632 (debug_ignore_block): New fn.
10633 * toplev.h: Declare it.
10634 * emit-rtl.c (remove_unncessary_notes): Call it.
10635 * dwarf2out.c (dwarf2out_ignore_block): New fn.
10636 * dwarf2out.h: Declare it.
10637 * final.c (final_start_function): Don't call remove_unnecessary_notes
10638 if we did insn scheduling.
10640 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
10642 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
10643 * cpplib.h: Delete SET_CPP_PEDANTIC.
10645 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10647 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
10648 result is a RECORD_TYPE.
10650 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
10652 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
10654 2000-03-03 Richard Henderson <rth@cygnus.com>
10656 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
10657 addition over compliments over shifts.
10659 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10661 * reload1.c (reload_combine_note_use): Handle return register USEs.
10662 REG case: Handle multi-hard-register hard regs.
10664 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10666 * md.texi: Document use of '*' in insn pattern name.
10668 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
10670 * calls.c (special_function_p): operator new may not be malloc-like.
10672 * gcse.c (dump_hash_table): Really fix error in last change.
10674 2000-03-02 Denis Chertykov <denisc@overta.ru>
10676 * avr.c (print_operand): Use print_operand_address instead of
10678 * avr/libgcc.S: Cleanup code.
10680 2000-03-02 Richard Henderson <rth@cygnus.com>
10682 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
10684 2000-03-02 Mark Mitchell <mark@codesourcery.com>
10686 * tree.h (TYPE_ALIGN_UNIT): New macro.
10688 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
10690 * i386.c: (constant_call_address_operand): Reject CONST_INT.
10692 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
10694 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
10696 (SET_CPP_PEDANTIC): New macro.
10697 * cpplib.c (do_include): Don't bother checking system_header_p.
10698 (do_warning, do_ident, do_assert, do_unassert): Likewise.
10699 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
10701 * function.h (struct expr_status): Add x_arg_space_so_far.
10702 (arg_space_so_far): New macro.
10703 * expr.c (init_expr): Initialize it.
10704 * calls.c (emit_call_1): Reset it.
10705 (compute_argument_block_size, expand_call): Use it.
10706 (expand_call, store_one_arg): Increment it.
10708 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10710 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
10713 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
10715 * cppfiles.c (cpp_read_file): New function.
10717 * cpphash.c (collect_expansion): Make sure to reset last_token
10718 to NORM when we hit a string. Handle trailing whitespace
10719 properly when the expansion is empty.
10720 (create_definition): Disable line commands while parsing the
10722 (dump_definition): If pfile->lineno == 0, output a line
10723 command ahead of the dump, and add a trailing newline.
10725 * cppinit.c (append_include_chain): Add fifth argument, which
10726 indicates whether or not system headers are C++ aware.
10727 (initialize_standard_includes): New function,
10728 broken out of read_and_prescan. Pass 'cxx_aware' value from
10729 the include_defaults_array on to append_include_chain.
10730 (dump_special_to_buffer): Const-ify char array.
10731 (builtin_array): Don't dump __BASE_FILE__.
10732 (cpp_start_read): Use cpp_read_file. Reorder code for
10733 clarity. Don't output line commands here for -D/-A/-U
10734 switches. Don't call deps_output for files included with
10735 -include or -imacros.
10737 * cpplib.c (do_define): Don't pay any attention to the second
10739 (cpp_expand_to_buffer): Disable line commands while scanning.
10740 (output_line_command): Work in the file buffer.
10741 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
10742 Fix formatting of comments. Prototype cpp_read_file.
10744 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10746 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
10747 reference the language-equivalent of sizetype.
10748 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
10749 * fold-const.c (size_binop, size_diffop): Put back checks.
10750 * gcse.c (dump_hash_table): Fix minor error in last change.
10751 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
10752 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
10755 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
10757 * calls.c (expand_call) Do not attempt to combine stack adjustments
10758 with inhibit_defer_pop set.
10760 2000-03-01 Mark Mitchell <mark@codesourcery.com>
10762 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
10763 the DECL_SIZE for a FIELD_DECL.
10765 2000-03-01 Bruce Korb <bkorb@gnu.org>
10767 * fixinc/inclhack.tpl: remove unused symlinks
10768 * fixinc/README: GCC Maintainer info
10769 * fixinc/inclhack.sh: regen
10770 * fixinc/fixincl.sh: regen
10772 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
10774 * cpphash.c (collect_expansion): Trim trailing white space
10775 from macro definitions, but don't go past the last insertion
10778 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
10780 * i386.md (mulqi3): New pattern.
10782 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
10784 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
10786 (struct cpp_reader): Add parsing_if_directive and
10787 parsing_define_directive flags.
10788 (struct cpp_options): Remove output_conditionals flag.
10789 (check_macro_name): Delete prototype.
10791 * cpphash.h (struct macrodef): Delete.
10792 (struct reflist): Separate from struct definition.
10793 (struct definition): Remove unused fields. Add column number.
10794 (create_definition): Returns a DEFINITION *. Takes a
10795 cpp_reader * and an int.
10797 * cpphash.c (SKIP_WHITE_SPACE): Delete.
10798 (PEEKC): Copy defn from cpplib.c.
10799 (rest_extension, REST_EXTENSION_LENGTH): Delete.
10801 (struct arglist): Simplify.
10802 (collect_expansion): Rewrite. Get tokens by calling
10803 cpp_get_token. Add more error checking.
10804 (collect_formal_parameters): New function, broken out of
10805 create_definition and reworked to use get_directive_token.
10806 (create_definition): All real work is now in collect_expansion
10807 and collect_formal_parameters. do_define handles finding the
10808 macro name. Return a DEFINITION, not a MACRODEF.
10809 (macroexpand): Replace bcopy with memcpy throughout. Replace
10810 character-at-a-time copy loop with memcpy and pointer increments.
10811 (compare-defs): d1->argnames / d2->argnames might be null.
10813 * cpplib.c (copy_rest_of_line): Delete function.
10814 (skip_rest_of_line): Do all the work ourselves.
10815 (skip_string): New function.
10816 (parse_string): Use skip_string.
10817 (get_macro_name): New function.
10818 (check_macro_name): Delete.
10819 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
10820 (cpp_skip_hspace): Use CPP_BUMP_LINE.
10821 (handle_directive): ICE if we're called on a macro buffer.
10822 (do_define): Determine macro name and type (funlike/objlike)
10823 here. Expunge all uses of MACRODEF.
10824 (cpp_push_buffer): Set line_base to NULL.
10825 (do_undef, read_line_number): Don't worry about getting a POP token.
10826 (eval_if_expression): Set/reset parsing_if_directive around
10827 cpp_parse_expr. Don't clear only_seen_white.
10828 (skip_if_group): Remove output_conditionals logic. Use
10830 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
10831 tokens under appropriate conditions.
10832 (cpp_unassert): Call do_unassert not do_assert. Oops.
10834 * cppexp.c (parse_defined): New function, break out of
10836 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
10837 ourselves, with cpp_defined.
10838 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
10840 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
10841 * gcc.dg/strpaste-2.c: New.
10843 2000-02-29 Mark Mitchell <mark@codesourcery.com>
10845 * fold-const.c (size_binop): Don't asert inputs are the same and
10846 have TYPE_IS_SIZETYPE set.
10847 (size_diffop): Likewise.
10849 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
10851 * dwarfout.c (output_block): Output abstract blocks even if they
10852 don't have TREE_ASM_WRITTEN set.
10854 * calls.c (emit_library_call): Check for null REG.
10856 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
10858 * c-decl.c (current_function_decl): Move to toplev.c.
10859 (init_decl_processing): Don't add current_function_decl as a ggc
10861 * dbxout.c (dbxout_symbol): Change return type to int.
10862 (dbxout_symbol_location, dbxout_syms): Likewise.
10863 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
10864 any locals. Use current_function_func_begin_label if set.
10865 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
10866 * dwarf2out.c (dwarf2out_begin_prologue): Set
10867 current_function_func_begin_label.
10868 * final.c (final_start_function): Reset it.
10869 * toplev.c (current_function_decl): Define it here.
10870 (current_function_func_begin_label): New variable.
10871 (main): Add both as ggc roots.
10872 * tree.h (current_function_func_begin_label): Declare.
10874 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10876 * gcse.c: Cleanups throughout: mostly white-space, but also
10877 some minor rearrangement of code.
10879 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
10881 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
10882 returns a PARALLEL. Use emit_group_load and use_group_regs
10884 (emit_library_call_value): Similarly.
10886 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
10887 * pa/quadlib.asm: Remove.
10888 * pa/quadlib.c: New file.
10890 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
10891 * configure: Rebuilt.
10893 2000-02-29 Philip Blundell <pb@futuretv.com>
10895 * config/arm/conix-elf.h: New file.
10896 * configure.in (arm*-*-conix*): New configuration.
10897 * configure: Regenerate.
10899 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
10901 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
10902 don't have TREE_ASM_WRITTEN set.
10904 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10906 * Eliminate DECL_FIELD_SIZE.
10907 * builtins.c (built_in_class_names, built_in_names): New variables.
10908 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
10909 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
10910 DECL_SIZE, not DECL_FIELD_SIZE.
10911 * print-tree.c (print_node): Remove code that prints extra blank
10912 lines in some cases.
10913 Properly handle inline and builtin function cases.
10914 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
10915 * tree.h (built_in_class_named, built_in_names): New declarations.
10916 (union tree_decl): Rename internal unions to u1 and u2 and change
10917 some of their components.
10918 Add new field built_in_class.
10919 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
10920 Reflect above changes.
10921 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
10922 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
10923 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
10924 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
10926 2000-02-28 Dmitri Makarov <dim@windriver.com>
10928 * extend.texi: Document ARM's support for long/short calls.
10930 * invoke.texi: Document ARM's -mlong-calls command line switch.
10932 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
10933 (arm_encode_call_attribute): Add prototype.
10934 (arm_set_default_type_attribute): Add prototype.
10935 (arm_strip_name_encoding): Add prototype.
10937 * config/arm/arm.c (arm_init_cumulative_args): replace
10938 initialisation og 'long_calls' field with initialisation of
10939 'call_cookie' field.
10940 (enum arm_pragma_enum): New enum.
10941 (arm_pragma_long_calls): New static variable.
10942 (arm_process_pragma): Also process "#pragma long_calls_off".
10943 (arm_valid_type_attribute_p): Accept short_call attribute.
10944 (arm_comp_type_attributes): Check long/short call attributes.
10945 (arm_encode_call_attribute): New function: Encode long_call
10946 or short_call attribute in function name.
10947 (arm_set_default_type_attributes): New function: Assign
10948 default attributes to newly defined type.
10949 (current_file_function_operand): New function: Return true if
10950 the symbol is a function which has already been compiled.
10951 (arm_is_longcall_p): New function: Return true if the
10952 indicated function should be called via a long call.
10953 (arm_get_strip_length): New function. Returns number of
10954 prefix characters to be stripped from a function's name.
10955 (arm_strip_name_encoding): New function. Strip prefix characters
10956 from a function's name.
10958 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
10959 with 'call_cookie'.
10960 (SHORT_CALL_FAG_CHAR): Define.
10961 (LONG_CALL_FAG_CHAR): Define.
10962 (ENCODED_SHORT_CALL_ATTR_P): Define.
10963 (ENCODED_LONG_CALL_ATTR_P): Define.
10964 (ARM_NAME_ENCODING_LENGTHS): Define.
10965 (STRIP_NAME_ENCODING): Define.
10966 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
10967 (ARM_ENCODE_CALL_TYPE): Define.
10968 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
10969 (ARM_DECLARE_FUNCTION_SIZE): Define.
10970 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
10972 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
10973 if a long call is needed.
10974 (call_value): Ditto.
10975 (call_symbol): Ditto.
10977 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
10978 ARM_DECLARE_FUNCTION_SIZE.
10980 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
10981 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
10982 (ARM_STRIP_NAME_ENCODING): Undefine.
10983 (STRIP_NAME_ENCODING): Undefine.
10984 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
10985 (ASM_DECLARE_FUNCTION_NAME): Ditto.
10986 (ASM_OUTPUT_COMMON): Ditto.
10987 (ASM_DECLARE_OBJECT_NAME): Ditto.
10989 * config/arm/pe.c (arm_dllexport_name_p): Check for
10991 (arm_dllimport_name_p): Ditto.
10992 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
10993 (arm_mark_dllimport): Ditto.
10995 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
10997 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
10999 2000-02-28 Mark Mitchell <mark@codesourcery.com>
11001 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
11003 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
11005 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
11006 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
11007 NO_BUILTIN_WCHAR_TYPE is not defined.
11008 (CPP_WCHAR_TYPE): Delete.
11009 * cccp.c (main): Don't change wchar_type if cplusplus.
11010 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
11012 2000-02-28 Nick Clifton <nickc@cygnus.com>
11014 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
11016 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
11018 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
11019 (ASM_WEAKEN_LABEL): Define.
11021 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
11023 * expr.c (store_constructor): Do not emit USE.
11024 * rtl.h (stupid_life_analysis): Remove.
11026 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11028 * function.c (number_blocks): Reset next_block_index based on
11029 what debugging format is used, not what is defined.
11031 * lcm.c: Minor reformatting throughout.
11032 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
11034 * toplev.c (rest_of_compilation): Account for time in
11035 optimize_mode_switching.
11037 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
11038 if only marking labels.
11040 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
11042 * calls.c (expand_call): Attempt to combine stack adjustments with
11043 pending stack adjustments.
11045 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11047 * loop.c (reg_in_basic_block_p): Don't abort when falling through
11048 to the end of the function.
11050 2000-02-27 Mark Mitchell <mark@codesourcery.com>
11052 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
11054 * final.c (next_block_index): Remove.
11055 (max_block_depth): Likewise.
11056 (pending_blocks): Likewise.
11057 (init_final): Don't initialize them.
11058 (final_start_function): Don't set next_block_index. Set up
11060 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
11061 * function.h (number_blocks): New function.
11062 * function.c (get_block_vector): New function.
11063 (identify_blocks): Use it.
11064 (reorder_blocks): Set NOTE_BLOCK.
11065 (number_blocks): New function.
11066 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
11067 * tree.h (BLOCK_NUMBER): New macro.
11068 (tree_block): Add block_num field.
11069 * dbxout.c (next_block_number): Remove.
11070 (dbxout_init): Don't set it.
11071 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
11072 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
11074 * toplev.c (rest_of_compilation): Always call
11075 find_loop_tree_blocks. Fix indentation.
11076 * dwarf2out.c (next_block_number): Remove.
11077 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11078 to determine block numbers.
11079 (gen_inlined_subroutine_die): Likewise.
11080 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
11081 (decls_for_scope): Don't increment next_block_number.
11082 * dwarfout.c (next_block_number): Remove.
11083 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
11084 to determine block numbers.
11085 (output_inlined_subroutine_die): Likewise.
11086 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
11087 (output_decls_for_scope): Don't increment next_block_number.
11088 * sdbout.c (next_block_number): Remove.
11089 (sdbout_block): Use BLOCK_NUMBER.
11090 (sdbout_begin_block): Simplify.
11091 * xcoffout.c (next_block_number): Remove.
11092 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
11093 (xcoffout_begin_block): Don't set next_block_number.
11094 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
11097 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11099 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
11100 (expand_builtin_strcpy): Pass correct type to size_binop.
11101 (expand_builtin_strcmp): Likewise.
11102 Clean up conditional structure.
11103 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
11104 (complete_array_type): Don't use size_binop for MAXINDEX.
11105 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
11106 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
11107 (c_alignof): Use size_one_node.
11108 (build_unary_op): Pass arg of proper type to size_binop.
11109 (really_start_incremental_init, push_init_level): Use sizetype for
11110 constructor{,_bit,_unfilled}_index.
11111 (pop_init_label, output_init_element): Likewise.
11112 (output_pending_init_elements, process_init_element): Likewise.
11113 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
11114 * expr.c (store_expr): Use size_int.
11115 (store_constructor): Use proper types for size_binop args.
11116 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
11117 (expand_expr_unaligned): Likewise.
11118 (string_contant): Return object of sizetype.
11119 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
11120 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
11121 (ARGS_SIZE_TREE): Pass proper types to size_binop.
11122 * fold-const.c (int_const_binop): Refine when size_int is called.
11123 (fold_convert): Likewise.
11124 (size_int_wide): Rework to take KIND as arg, only take low order
11125 bits, handle new sizetype_tab datatype, and chain entries in
11127 (size_int_type_wide): New function.
11128 (size_binop): Validate types of arguments.
11129 (ssize_binop): Deleted.
11130 (size_diffop): New function.
11131 (extract_muldiv): Only fold division into multiplication for sizetypes.
11132 * function.c (assign_parms): Use size_diffop and make sure
11133 VAR field is of ssizetype; also pass proper type to size_binop.
11134 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
11135 (round_down): Deleted from here.
11136 * store-layout.c (sizetype_tab): Now an array.
11137 (sizetype_set, early_root_list): New variables.
11138 (variable_size): Use size_one_node.
11139 (round_up): Pass proper type to size_binop.
11140 (round_down): Moved to here and corrected as above.
11141 (layout_record): Pass proper arg types to size_binop.
11142 (layout_type): Likewise.
11143 If sizetype_set is zero, record the type just laid out.
11144 (make_unsigned_type): Don't call set_sizetype;
11145 (make_signed_type): Likewise; also, call fixup_signed_type.
11146 (initialize_sizetypes): New function.
11147 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
11148 set name of bitsizetype to "bit_size_type".
11149 Fix up type of sizes of all types made before call.
11150 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
11151 * tree.c (fix_sizetype): Deleted.
11152 (build_common_tree_nodes): Call initialize_sizetypes.
11153 (build_common_tree_nodes_2): Don't call fix_sizetype.
11154 * tree.h (TYPE_IS_SIZETYPE): New macro.
11155 (initialize_sizetype): New declaration.
11156 (enum size_type_kind): New type.
11157 (struct sizetype_tab): Deleted.
11158 (sizetype_tab): Now array; adjust sizetype macros.
11159 (size_diffop, size_int_type_wide): New functions.
11160 (size_int_wide): Change number of args and type; access macros changed.
11161 (ssize_int, sbitsize_int): New macros.
11162 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
11163 (ROUND_TYPE_SIZE_UNIT): New macro.
11165 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
11167 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
11169 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11171 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
11172 Mark as possibly unused.
11174 * cse.c (cse_insn): Delete dead code involving tablejump.
11175 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
11177 * Makefile.in (libcpp.a): Start by deleting it.
11179 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11181 * cpplib.h (enum file_change_code): Added rename_file.
11182 * cpplib.c (do_line): If a filename is given, set file_change to
11184 (output_line_command): If file_change is rename_file, always
11185 output a # directive with the file name.
11187 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
11189 2000-02-26 Mark Mitchell <mark@codesourcery.com>
11191 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
11192 when copying a PARM_DECL or RESULT_DECL.
11194 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11196 * fix-header.c (recognized_function): Also fix prototypes for
11197 functions taking "void".
11199 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11201 * reload1.c (do_output_reload): Check reg_reloaded_valid before
11202 looking at reg_reloaded_contents.
11204 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
11206 * Makefile.in (STMP_FIXINC): New toggle.
11207 (LIBGCC2_DEPS): Delete all references.
11208 (stmp-headers): Delete target. All references either deleted
11209 or changed to stmp-int-headers.
11210 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
11211 (LIBCPP_OBJS): Take out cppalloc.o.
11212 (cppalloc.o): Delete target.
11213 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
11214 (gen-protos, fix-header): Link with libiberty.a.
11215 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
11218 * configure.in: Remove refs to strerror.
11219 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
11220 * system.h: Take out strerror stanza.
11222 * cpperror.c (my_strerror): Delete function.
11223 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
11224 * cppmain.c (main): Call xmalloc_set_program_name first thing.
11225 * cppalloc.c: Delete file.
11226 * gen-protos.c: Don't provide xrealloc.
11228 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
11229 xstrerror throughout.
11231 2000-02-26 Bruce Korb <bkorb@gnu.org>
11233 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
11234 match for DOS headers, too.
11235 * fixinc/inclhack.sh,fixincl.x: Regenerate.
11237 2000-02-26 Geoff Keating <geoffk@cygnus.com>
11239 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
11240 is right for most ELF targets.
11241 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
11242 Let the default file use %U properly.
11243 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
11246 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
11249 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11251 * toplev.c (documented_lang_options): Correct spelling error.
11252 (decode_d_option, decode_f_option, main): Likewise.
11254 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
11256 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
11257 to tell assembler it is permitted to expand large constants.
11259 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
11261 * protoize.c: (AUX_INFO_SUFFIX): New macro.
11262 (aux_info_suffix): Use.
11263 (SAVE_SUFFIX): New macro.
11264 (save_suffix): Use.
11265 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
11266 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
11267 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
11269 * invoke.texi (Running Protoize): Update documentation.
11271 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
11273 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
11275 2000-02-25 John Wehle (john@feith.com)
11277 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
11279 2000-02-25 Anthony Green <green@cygnus.com>
11281 * toplev.c (rest_of_compilation): Rebuild jump labels if
11282 combine_instructions has created a new direct jump.
11283 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
11285 (combine_instructions): Call try_combine with new argument.
11286 Return non-null value when new direct jump instruction is created.
11287 * rtl.h: combine_instructions returns an int.
11289 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
11291 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
11292 jump when changing a computed jump into a jump to a known
11295 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
11297 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
11298 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
11300 * i386.md (define_expand "clrstrsi"): Fix typo.
11302 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
11304 * rtl.texi: Fix typo.
11306 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11308 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
11309 UNITS_PER_WORD. Change caller initial_elimination_offset.
11310 (rounded_frame_size): Take into account that argument pushed has
11311 changed. Fix TARGET_ALIGN_DOUBLE problem.
11313 2000-02-25 Geoff Keating <geoffk@cygnus.com>
11315 * haifa-sched.c (schedule_block): Explain the real reason
11316 we delete REG_SAVE_NOTEs on the first insn of a block.
11317 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
11319 2000-02-24 Mark Mitchell <mark@codesourcery.com>
11321 * input.h (push_srcloc): New function.
11322 (pop_srcloc): Likewise.
11323 * toplev.c (push_srcloc): Define it.
11324 (pop_srcloc): Likewise.
11326 2000-02-24 Richard Henderson <rth@cygnus.com>
11328 * flow.c (life_analysis): When collecting reg info, clear
11331 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11333 Fix bug exposed by reload.c no longer rounding the frame
11334 size to BIGGEST_ALIGNMENT:
11335 * sh.c (rounded_frame_size): New function.
11336 (sh_expand_prologue, sh_expand_epilogue): Use it.
11337 (initial_elimination_offset): Likewise.
11339 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11341 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
11342 * sh-protos.h (sh_need_epilogue): Declare.
11343 * sh.c (sh_need_epilogue_known): New static variable.
11344 (sh_need_epilogue): New function.
11345 (function_epilogue): Clear need_epilogue_known.
11346 * sh.md (return): Split into expander / insn pattern.
11347 Make the expander conditional on ! sh_need_epilogue ().
11349 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
11351 * machmode.h (get_mode_alignment): Declare.
11352 (GET_MODE_ALIGNMENT): Call it.
11353 * stor-layout.c (get_mode_alignment): New function. Make
11354 sure alignment is always power of 2.
11356 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11358 * i386.h: Remove useless definition of "I386" and misleading
11361 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11363 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
11364 under which TREE_PERMANENT will be set.
11365 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
11366 build1): Use TREE_SET_PERMANENT.
11367 * print-tree.c (print_node): Don't report value of
11368 TREE_PERMANENT if ggc_p is true.
11370 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
11371 decide whether to give a type a new alias set.
11372 * objc/objc-act.c (build_objc_string_object): Never copy the string.
11373 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
11374 of value of 'obstack'.
11377 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11379 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
11381 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11383 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
11384 * cpplib.c (cpp_get_token): Produce them.
11385 * cppexp.c (cpp_lex): Handle them.
11387 2000-02-23 Nick Clifton <nickc@cygnus.com>
11389 * config/arm/arm.c (arm_comp_type_attributes): Simply and
11390 comment tests on type attributes.
11392 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11394 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
11395 conform to documentation.
11396 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
11397 to check for special cases.
11398 * sh-protos.h (sh_loop_align): Declare.
11399 * sh.c (sh_loop_align): Define.
11401 2000-02-22 Andrew Haley <aph@cygnus.com>
11403 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
11404 (SIZE_TYPE): Is 32 bits when using -mgp32.
11405 (PTRDIFF_TYPE): Ditto.
11407 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11409 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
11411 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
11413 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
11414 BIGGEST_FIELD_ALIGNMENT a constant.
11416 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
11418 * dwarf2out.c (output_line_info): Put the marker for the end of
11419 the line number info at the actual end.
11420 (gen_struct_or_union_type_die): Use decl_function_context
11421 to check for local classes.
11422 * dwarfout.c (output_type): Likewise.
11424 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
11426 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
11427 for arguments with a mode, but no type.
11428 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
11429 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
11430 * pa/long_double.h: New file.
11431 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
11432 both have 128bit wide long doubles.
11433 * configure: Rebuilt.
11435 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11437 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
11439 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
11440 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
11441 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
11443 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
11445 * integrate.c (compare_blocks, find_block): Likewise.
11447 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
11449 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
11451 * stmt.c (stmt_status, set_file_and_line_for_stmt,
11452 expand_asm_operands): Likewise.
11454 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
11456 * predict.c (estimate_probability): Added the pointer heuristic to
11457 the collection of static branch predictors.
11459 2000-02-21 Catherine Moore <clm@cygnus.com>
11461 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
11462 * invoke.texi (-mfix7000): Document.
11464 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
11466 * diagnostic.c (init_output_buffer): Make it possible to output at
11467 least 32 characters if we're given a too long prefix.
11469 2000-02-20 Mark Mitchell <mark@codesourcery.com>
11471 * varasm.c (initializer_constant_valid_p): Call
11472 lang_expand_constant to simplify the constant.
11474 2000-02-20 Bruce Korb <bkorb@gnu.org>
11476 * fixinc/inclhack.def(stdio_va_list):
11477 typedef needs to be disabled.
11478 * fixinc/inclhack.sh: regen
11479 * fixinc/fixincl.x: regen
11481 2000-02-20 Geoff Keating <geoffk@cygnus.com>
11483 * print-rtl.c (print_rtx): Don't print addresses when
11484 flag_dump_unnumbered.
11486 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11488 * sparc.c (sparc_output_scratch_registers): Mark parameter with
11490 (sparc_va_arg, sparc_flat_output_function_prologue,
11491 sparc_flat_output_function_epilogue): Cast value to unsigned in
11493 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
11495 * sparc.md: Add default case in switch.
11497 2000-02-19 Richard Henderson <rth@cygnus.com>
11499 * c-typeck.c (add_pending_init): Don't abort for multiple
11500 fields at the same offset.
11501 (pending_init_member): Test the correct member.
11503 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11505 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
11507 (start_catch_handler) : Same.
11509 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
11511 * Makefile.in: Have flow.o depend on $(EXPR_H)
11513 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11515 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
11516 * c-decl.c (duplicate_decls, finish_enum): Likewise.
11517 (finish_decl): Remove -Wlarger-than code from here.
11518 * flags.h (id_clash_len): Now int.
11519 (larger_than_size): Now HOST_WIDE_INT.
11520 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
11521 Clean up checking to see if in table.
11522 (make_bit_field_ref): Remove extra parm to bitsize_int.
11523 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
11524 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
11525 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
11526 and for computing size of decl.
11527 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
11528 Move -Wlarger-than code to here.
11529 (layout_record): Remove extra arg to bitsize_int.
11530 Set TYPE_BINFO_SIZE_UNIT.
11531 (layout_union): Remove extra arg to bitsize_int.
11532 Use proper type for size of QUAL_UNION.
11533 (layout_type): Remove extra arg to bitsize_int.
11534 * toplev.c (id_clash_len): Now int.
11535 (larger_than_size): Now HOST_WIDE_INT.
11536 (decode_W_option): Clean up id-clash and larger-than- cases.
11537 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
11538 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
11539 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
11540 (struct tree_decl): New field size_unit.
11541 (size_int_wide): No HIGH operand; NUMBER is now signed.
11542 (size_int_2): Deleted.
11543 (size_int, bitsize_int): Don't use it and rework args.
11544 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
11546 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
11548 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
11550 2000-02-18 Geoff Keating <geoffk@cygnus.com>
11552 * invoke.texi (Warning Options): Add an explanation of why
11553 you might want the -Wfloat-equal flag.
11555 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11557 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
11558 * cppinit.c (new_pending_define): Add cast to avoid warning.
11559 * expmed.c (extract_bit_field): Likewise.
11560 * flow.c (enum reorder_skip_type): New type.
11561 (skip_insns_between_blcok): New it.
11562 Rework to avoid warning about possibly undefined variable.
11563 * function.c (assign_parms): Make thisparm_boundary unsigned.
11564 * genrecog.c (write_switch): Cast XWINT result to int.
11565 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
11566 * mips-tfile.c (init_file): Make two versions of FDR intializer:
11567 one for MIPS and one for Alpha.
11568 (get_tag, copy_object): Add casts to avoid warnings.
11569 * optabs.c (init_one_libfunc): Cast NAME to (char *).
11570 * reload.c (find_reloads): Make TYPE enum reload_type.
11571 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
11572 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
11573 * varasm.c (compare_constant_1): Add cast to avoid warning.
11574 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
11576 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
11577 Cast switch operand of size to int.
11578 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
11579 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
11582 2000-02-18 Nick Clifton <nickc@cygnus.com>
11584 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
11585 anything for an alignment of zero.
11587 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
11588 anything for an alignment of zero.
11590 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
11592 * gcc.texi (Bug Reporting): Refer to bugs.html.
11593 (Bug Lists): Likewise.
11594 * system.h (GCCBUGURL): New preprocessor define.
11595 * rtl.c (fancy_abort): Use it.
11596 * gcc.c (main): Likewise.
11598 2000-02-18 Richard Henderson <rth@cygnus.com>
11600 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
11601 (life_analysis_1): Subsume into ...
11602 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
11603 Use update_life_info for the relaxation.
11604 (update_life_info): Update REG_BASIC_BLOCK for registers live on
11605 entry and regs_live_at_setjmp.
11606 (set_noop_p): Simplify.
11607 (notice_stack_pointer_modification_1): Renamed from s/_1//.
11608 (record_volatile_insns): Split into ...
11609 (delete_noop_moves): ... here,
11610 (notice_stack_pointer_modification): ... here,
11611 (insn_dead_p): ... and here.
11612 (propagate_block): Don't query INSN_VOLATILE.
11613 (mark_used_regs): Mind !PROP_REG_INFO.
11614 * toplev.c (rest_of_compilation): Call mark_constant_function here,
11615 not in life_analysis.
11617 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
11619 * loop.c (canonicalize_condition): New function,
11620 broken out of get_condition.
11621 (get_condition): Use it.
11622 * expr.h (canonicalize_condition): Prototype it.
11624 * tree.h (tree_int_cst_msb): Declare.
11625 * tree.c (tree_int_cst_msb): New function.
11627 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11629 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
11632 * invoke.texi (-fmessage-length=n): Document.
11634 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
11636 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
11638 2000-02-17 Mark Mitchell <mark@codesourcery.com>
11640 * function.c (thread_prologue_and_epilogue_insns): Put a line note
11641 after the prologue.
11643 2000-02-17 Nick Clifton <nickc@cygnus.com>
11645 * config/arm/thumb.c: Replace includes of system headers with
11646 #include "system.h".
11648 2000-02-16 Richard Henderson <rth@cygnus.com>
11650 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
11651 Add crtbeginS.o and crtendS.o.
11652 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
11653 (ENDFILE_SPEC): Use crtendS.o.
11654 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
11656 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
11657 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
11658 shared and present.
11659 (__dso_handle): New variable.
11660 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
11661 bias to __CTOR_END__.
11663 2000-02-16 Richard Henderson <rth@cygnus.com>
11665 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
11667 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
11669 * longlong.h (__clz_tab): Declare as static to match definition.
11671 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
11673 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
11674 (XREF_FILE_NAME): Define.
11676 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
11677 (EH_FRAME_SECTION_ASM_OP): Define.
11678 (IDENT_ASM_OP): Define.
11679 (TEXT_SECTION_ASM_OP): Define.
11680 (CPP_SPEC): Define.
11681 (CTORS_SECTION_ASM_OP): Define.
11682 (CTOR_SECTION_FUNCTION): Use it.
11683 (DTORS_SECTION_ASM_OP): Define.
11684 (DTOR_SECTION_FUNCTION): Use it.
11686 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
11688 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
11691 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
11692 debug_bb_n): New functions.
11693 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
11694 * basic-block.h: Prototype new functions.
11696 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
11698 * configure.in: Add support for avr target.
11699 * configure: Rebuilt.
11701 * invoke.texi: Add AVR invocation docs.
11702 * install.texi: Add information about AVR.
11703 * md.texi: Add AVR constraint letters description.
11704 * extend.texi: Add description for AVR specific attributes.
11706 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
11708 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
11710 2000-02-16 Nick Clifton <nickc@cygnus.com>
11712 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
11713 (make_insn_raw): Move RTL check here.
11715 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11717 * version.c: Include gansidecl.h and version.h.
11719 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
11721 * configure.in (gcc_version): When setting, narrow search to
11722 lines containing `version_string'.
11724 * Makefile.in (mainversion): Likewise.
11725 (GCC_H): New variable.
11726 (gcc.h): Delete target.
11727 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
11728 (version.o): Depend on version.h.
11729 (dbxout.o): Don't depend on gcc.h.
11731 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
11732 Michael Meissner <meissner@cygnus.com>
11734 * md.texi (Simple Constraints): Add item about whitespace.
11735 * genoutput.c (strip_whitespace): New.
11736 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
11737 strip_whitespace for constraints.
11738 Test pointer using NULL, not 0.
11740 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11742 * cpplib.c (do_line): Pedwarn for #line > 32767.
11744 * c-lex.c (readescape): Warn about '\x', but do not reject it.
11746 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
11748 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
11749 to default cpp spec.
11750 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
11751 * cpp.texi: Document __GNUC_PATCHLEVEL__.
11754 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
11757 2000-02-15 Denis Chertykov <denisc@overta.ru>
11759 * configure.in: Add support for avr target.
11761 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11763 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
11764 (sh_addr_diff_vec_mode): Don't declare.
11765 * sh.c (sh_addr_diff_vec_mode): Delete.
11767 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11769 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
11771 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11773 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
11774 (smulsi3_highpart_i): Name.
11775 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
11776 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
11777 (smulsi3_highpart, umulsi3_highpart): Likewise.
11779 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
11780 correctly independent of endianness.
11781 (mulsidi3, umulsidi3): Now define_insn. Hide details that
11782 confuse the optimizers.
11783 (mulsidi3+1, umulsidi3+1): New define_split.
11785 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
11787 * config/sh/sh.md: Guard insn splits against illegal registers.
11788 * config/sh/sh.h: Correct comment about macros.
11790 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11791 Andrew MacLeod <amacleod@cygnus.com>
11793 * Makefile.in (lcm.o): Depend on insn-attr.h.
11794 * basic-block.h (optimize_mode_switching): Declare.
11795 * lcm.c (tm_p.h, insn-attr.h): #include.
11796 (seginfo, bb_info): New structs.
11797 (antic, transp, comp, delete, insert) : New file-scope static variables.
11798 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
11799 (reg_becomes_live, optimize_mode_switching): Likewise.
11800 * tm.texi: Add description of mode switching macros.
11801 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
11803 * sh-protos.h (remove_dead_before_cse): Remove prototype.
11804 (fldi_ok, fpscr_set_from_mem): New prototypes.
11805 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
11806 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
11807 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11808 (sh_flag_remove_dead_before_cse): Remove declaration.
11809 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
11810 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
11811 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
11812 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
11813 (barrier_align): Allow for JUMP_INSNS containing a parallel.
11814 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
11815 (fldi_ok): New function.
11816 (get_fpscr_rtx): Add fpscr_rtx as GC root.
11817 (emit_sf_insn): Only generate fpu switches when optimize < 1.
11818 (emit_df_insn): Likewise.
11819 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
11820 (sh_flag_remove_dead_before_cse): Delete.
11821 (get_free_reg, fpscr_set_from_mem): New functions.
11822 * sh.md (movdf, movsf): Remove no_new_pseudos code.
11823 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
11825 2000-02-15 Loren Rittle <ljrittle@acm.org>
11827 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
11829 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11831 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
11832 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
11834 * cccp.c: Include version.h and/or don't declare `version_string'.
11835 * collect2.c: Likewise.
11836 * alpha.c: Likewise.
11837 * arm/aof.h: Likewise.
11838 * arm/coff.h: Likewise.
11839 * arm/elf.h: Likewise.
11840 * arm/pe.h: Likewise.
11841 * arm/tcoff.h: Likewise.
11842 * arm/telf.h: Likewise.
11843 * arm/tpe.h: Likewise.
11844 * arm/vxarm.h: Likewise.
11845 * convex/convex.c: Likewise.
11846 * i386/dgux.c: Likewise.
11847 * i386/sun386.h: Likewise.
11848 * m88k/m88k.c: Likewise.
11849 * mcore/mcore-pe.h: Likewise.
11850 * mips/mips.h: Likewise.
11851 * romp/romp.h: Likewise.
11852 * sh/sh.c: Likewise.
11853 * cpphash.c: Likewise.
11854 * cppinit.c: Likewise.
11855 * dwarf2out.c: Likewise.
11856 * dwarfout.c: Likewise.
11859 * mips-tfile.c: Likewise.
11860 * protoize.c: Likewise.
11861 * toplev.c: Likewise.
11862 * tree.h: Likewise.
11864 * version.c (version_string): Constify a char*.
11866 * version.h: New file.
11868 2000-02-14 Nick Clifton <nickc@cygnus.com>
11870 * configure.in: Add mcore-elf and mcore-pe targets.
11871 * configure: Regenerate.
11873 * NEWS: Add note that MCore port has been contributed.
11875 * invoke.texi: Document command line switches for MCore port.
11876 * install.texi: Add MCore to list of supported targets.
11878 2000-02-14 Geoff Keating <geoffk@cygnus.com>
11880 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
11881 then we will need to import the frame handling functions.
11882 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
11883 to import the frames themselves.
11885 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
11886 Jason Eckhardt <jle@cygnus.com>
11888 * basic_block.h: Added prototype for reorder_basic_blocks.
11889 * toplev.c: Changes to add -freorder-blocks and graph dump after
11890 block reordering is done.
11891 * flow.c (reorder_block_def): New structure for use during block
11893 (REORDER_BLOCK_*): New macros to access members of above structure.
11894 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
11895 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
11896 functions for block reordering.
11898 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
11900 * gcc.texi (Passes): Fix typo.
11901 * md.texi (Standard Names): Ditto.
11902 * tm.texi (Storage Layout): Ditto.
11904 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11906 * cpplib.c (do_define): Only free the old definition if it
11909 2000-02-13 Neil Booth <NeilB@earthling.net>
11911 * cppfiles.c (read_and_prescan): When emitting deferred
11912 newlines, test speccase[] again instead of checking each
11913 possible whitespace character in turn. When we encounter \r,
11914 look behind for \n first, then ahead.
11916 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
11918 * cse.c (cse_altered): New internal flag.
11919 (cse_insn): Set it if we changed an insn.
11920 (cse_main): Clear cse_altered before each basic block.
11921 Only garbage collect if cse_altered is true afterward.
11923 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11925 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
11927 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
11929 * combine.c (simplify_comparison): Fix typo.
11931 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
11933 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
11936 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11938 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
11939 previously inserted node instead of root node. Caller changed.
11941 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11943 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
11945 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11947 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
11948 __dereg_frame_dtor): Add prototype argument.
11950 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
11952 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
11954 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
11956 * gthr-vxworks.h (__gthread_once): Likewise.
11958 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
11960 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
11962 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
11963 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
11964 stack pointer in functions w/o saved registers, output LEAVE more often
11965 on TARGET_USE_LEAVE machines.
11967 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
11969 * config/arm/arm.c (arm_init_cumulative_args); New function:
11970 Initlaise the CUMULATIE_ARGS strcuture for a function
11972 (arm_function_arg): New function: Determine where to place a
11973 function's argument. Also handles deciding the function's
11975 (current_file_function_operand): New function: Return true if
11976 the symbol is a function which has already been compiled.
11977 (arm_is_long_call_p): New function: Return true if the
11978 indicated function should be called via a long call.
11979 (arm_valid_type_attribute_p): New function: Return true if the
11980 attribute is a valid, arm specific, attribute.
11981 (arm_comp_type_attribute): New function: Return true if the
11982 two types have compatable, arm specific, attributes.
11984 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
11986 (FUNCTION_ARG): Redefine to call arm_function_arg.
11987 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
11989 (INIT_CUMULATIVE_ARGS): Redefine to call
11990 arm_init_cumulative_args.
11991 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
11993 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
11995 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
11997 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
11998 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
11999 (COMP_TYPE_ATTRIBUTES): Define.
12001 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
12002 if a long call is needed.
12003 (call_value): Call arm_is_long_call_p to decide if a long call
12005 (call_symbol): Call arm_is_long_call_p to decide if a long call
12008 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
12010 2000-02-11 Denis Chertykov <denisc@overta.ru>
12012 * README.AVR: New file with information about the avr ports.
12013 * config/avr: New directory with avr port files.
12015 2000-02-11 Andreas Jaeger <aj@suse.de>
12017 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
12019 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
12021 * cpphash.c: Fix formatting, update commentary.
12022 (dump_definition): Take three separate arguments instead of a
12023 MACRODEF structure argument.
12024 * cpphash.h: Update prototype of dump_definition.
12025 * cppinit.c (cpp_finish): Update call of dump_definition.
12027 * cpplib.c (do_define): Always create new hash entry with
12028 T_MACRO type. Remove redundant check for redefinition of
12029 poisoned identifier. Update call of dump_definition.
12030 (do_undef): Don't call check_macro_name. Rename sym_length to
12032 (do_error, do_warning): Don't use copy_rest_of_line or
12034 (do_warning): Don't use pedwarn for the actual warning,
12035 only the notice about its not being in the standard. (Fixes
12036 bug with #warning in system headers.)
12037 (do_ident): Stricter argument checking - accept only a single
12038 string after #ident. Also, macro-expand the line.
12039 (do_xifdef): Use cpp_defined. De-obfuscate.
12041 (do_pragma): Split out specific pragma handling to separate
12042 functions. Use get_directive_token. Update commentary. Do
12043 not pass on #pragma once or #pragma poison to the front end.
12044 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
12045 do_pragma_default): New.
12047 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
12049 * jump.c (jump_optimize_1): The first operand in a relational
12050 can be a CONST_INT.
12051 * optabs.c (emit_conditional_move): Handle relationals which
12052 have a known true/false result.
12054 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12056 * function.c (thread_prologue_and_epilogue_insns): Don't insert
12057 a RETURN insn into a block which already ends with a jump.
12059 2000-02-11 Geoff Keating <geoffk@cygnus.com>
12061 * haifa-sched.c (BUF_LEN): Increase a lot.
12063 2000-02-11 Nick Clifton <nickc@cygnus.com>
12065 * configure.in: Add tm_p_file specification for thumb targets.
12066 * configure: Regenerate.
12068 * config/arm/thumb-protos.h: New file: Prototypes for exported
12069 functions defined in thumb.c.
12071 2000-02-11 Robert Lipe <robertl@sco.com>
12073 * Makefile.in (bootstrap-lean): Remove additional files.
12074 (bootstrap2-lean): Likewise.
12075 (VOL_FILES): List of files for above.
12077 2000-02-11 Nathan Sidwell <nathan@acm.org>
12079 * cpphash.c (special_symbol): Remove spurious argument to
12082 2000-02-11 Joel Sherrill (joel@OARcorp.com>
12084 * configure.in: (i*86-*-rtems*): Swapped elf and coff
12086 * configure: Rebuilt.
12088 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
12090 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
12092 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
12094 * pa.c, pa.h: Remove trigraph sequences within comments.
12096 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
12098 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
12100 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
12102 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
12104 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12106 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
12108 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12110 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
12111 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
12112 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
12113 (ASM_FILE_END): Use c4x_file_end.
12114 * config/c4x/c4x.c (c4x_global_label): New function.
12115 (c4x_external_ref, c4x_file_end): Likewise.
12117 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
12118 (c4x_external_ref, c4x_end_file): Likewise.
12120 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
12122 * cppexp.c: Don't include cpphash.h.
12123 (parse_charconst, cpp_lex): Use cpp_defined.
12124 (cpp_lex): Use get_directive_token throughout. Remove
12125 unnecessary cases from switch. Move assertion-handling code
12126 down to OTHER case.
12127 (cpp_parse_expr): If we see '+' or '-', check the context to
12128 determine if they are unary or binary operators. Streamline
12129 the jumps a bit. Do not call skip_rest_of_line.
12131 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
12132 static. Export get_directive_token. Update commentary.
12133 (cpp_defined): New function.
12134 (do_define): Remove reference to T_PCSTRING. Call
12135 free_definition to release memory for old definition, when
12136 redefining a macro.
12137 (eval_if_expression): Set only_seen_white to 0 before calling
12138 cpp_parse_expr. Call skip_rest_of_line after it returns.
12139 (cpp_read_check_assertion): Don't preserve a pointer into the
12140 token buffer across a call to cpp_get_token.
12142 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
12143 * cppfiles.c (redundant_include_p): Use cpp_defined.
12144 * cpphash.c (free_definition): New function.
12145 (delete_macro): Use it. Update commentary.
12146 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
12148 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
12149 from enum node_type. Prototype cpp_defined and get_directive_token.
12150 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
12152 * fix-header.c (check_macro_names): Use cpp_defined.
12153 (read_scan_file): Set inhibit_warnings and inhibit_errors in
12154 the options structure.
12156 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12158 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
12160 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
12162 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
12163 rather than die->die_tag.
12165 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12167 * combine.c (make_extraction, force_to_mode): Avoid warning on
12168 mixed-signedness conditionals.
12169 (make_field_assignment, nonzero_bits): Likewise.
12170 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
12171 (store_split_bit_field, extract_split_bit_field): Likewise.
12172 (extract_fixed_bit_field, store_bit_field,
12173 * expr.c: Change alignment to be unsigned everywhere.
12174 (move_by_pieces, store_constructor_field, store_constructor):
12175 Alignment parm is unsigned.
12176 (emit_block_move, emit_group_load, emit_group_store): Likewise.
12177 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12178 (do_compare_rtx_and_jump): Likewise.
12179 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
12180 Compare align with GET_MODE_ALIGNMENT.
12181 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
12182 (get_inner_reference): Likewise.
12183 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
12184 (expand_assignment): Local vars for alignment now unsigned.
12185 (store_constructor, store_field, expand_expr, do_jump): Likewise.
12186 (do_compare_and_jump): Likewise.
12187 (store_field): Call new function expr_align.
12188 * expr.h (emit_block_move, emit_group_load, emit_group_store):
12189 Alignment arg now unsigned.
12190 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
12191 (do_compare_rtx_and_jump, store_bit_field): Likewise.
12192 (extract_bit_field): Likewise.
12193 * fold-const.c (add_double): Add cast to eliminate signedness warning.
12194 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
12195 (get_best_mode): Alignment arg is unsigned.
12196 * rtl.h (move_by_pieces): Likewise.
12197 * store-layout.c (maximum_field_alignment, set_alignment):
12199 (layout_decl): Alignment arg is now unsigned.
12200 Remove unneeded casts.
12201 (layout_record, layout_union, layout_type): Remove unneeded casts.
12202 Local alignment variables now unsigned.
12203 (get_best_mode): Alignment arg now unsigned.
12204 * tree.c (expr_align): New function.
12205 * tree.h (expr_align): Likewise.
12206 (maximum_field_alignment, set_alignment): Now unsigned.
12207 (get_inner_reference): Alignment argument is now pointer to unsigned.
12208 * varasm.c (assemble_variable): Add cast to eliminate warning.
12210 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
12212 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
12213 then store directly into op0.
12215 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
12216 the CALL_INSN, and emit the note immediately after it.
12218 2000-02-10 Nick Clifton <nickc@cygnus.com>
12220 * config/arm/thumb.md (epilogue): Include a (return) in the
12221 generated insn, and emit it using emit_jump_insn not
12224 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
12226 * function.c (assign_temp): Change zero-sized arrays to size 1.
12227 * integrate.c (expand_inline_function): Do not update
12228 stack_alignment_needed
12229 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
12230 add some sanity checking, remove optimization for function with
12233 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12235 * flow.c (mark_regs_live_at_end): Delete unused variables.
12237 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
12239 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
12240 in macro FRAME_GROWS_DOWNWARD.
12242 * stmt.c (expand_end_bindings): Delete unused variable.
12244 * unroll.c (iteration_info): Mark parameter `loop' with
12247 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12249 * fixinc/server.c (load_data): Return NULL if the marker line is
12251 (run_shell): If load_data returns NULL, retry the command once, in
12254 * configure: Rebuilt.
12256 2000-02-09 Bruce Korb <bkorb@gnu.org>
12258 * gcc/fixincludes: ** DELETED **
12259 * gcc/fixcpp: ** DELETED **
12260 * gcc/fixinc-nt.sed: ** DELETED **
12261 * gcc/just-fixinc: ** DELETED **
12262 * gcc/Makefile.in: Removed out-dated commentary
12263 * gcc/configure.in: Removed fast-fixincludes disablement.
12264 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
12266 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12267 * function.c (thread_prologue_and_epilogue_insns): Uncomment
12270 2000-02-09 Richard Henderson <rth@cygnus.com>
12272 * jump.c (delete_insn): Don't delete user labels at -O0.
12274 2000-02-09 Robert Lipe <robertl@sco.com>
12276 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
12277 Don't link with HOST_LIBS.
12279 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12281 * configure.in: Correct --help text for --with-dwarf2.
12282 Put tm-dwarf2.h after other tm files, if it's requested.
12283 * configure: Regenerate.
12284 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
12287 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12289 * cpplib.h: Provide HASHNODE typedef and forward decl of
12290 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
12291 DEFINITION, struct hashnode, struct macrodef, struct
12292 definition, scan_decls prototype, default defn of
12293 INCLUDE_LEN_FUDGE moved elsewhere.
12295 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
12296 definition, and struct hashnode moved here. Remove the unused
12297 'predefined' field from struct definition. Replace the 'args'
12298 union with its sole member. All users updated (cpphash.c).
12299 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
12300 multiple include guard.
12302 * cpphash.c (hashf): Make static; use better algorithm; drop
12303 HASHSIZE parameter; return an unsigned int.
12304 (cpp_lookup): Drop HASH parameter. PFILE parameter is
12305 used. Calculate HASHSIZE modulus here.
12306 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
12308 (create_definition): Drop PREDEFINITION parameter.
12309 * cpplib.c (do_define): Don't calculate a hash value here.
12310 Don't pass (keyword == NULL) to create_definition.
12312 * scan.h: Prototype scan_decls here.
12313 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
12314 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
12315 callers of cpp_lookup and cpp_install updated.
12317 * cpphash.c (macarg): Hoist all the flag diddling out of the
12319 (macroexpand): ... and out of the loop that calls macarg.
12320 Skip over the initial paren before macro arguments with
12321 cpp_get_non_space_token; point may be some distance before
12322 that paren. Abort if it's not there.
12324 * cpplib.c (parse_clear_mark): Delete function.
12325 (parse_set_mark, parse_goto_mark): Make static.
12326 (ACTIVE_MARK_P): New macro.
12327 (skip_block_comment, skip_line_comment): Do not bump the line
12328 if ACTIVE_MARK_P is true.
12329 (cpp_pop_buffer): The buffer to be popped may not have an
12331 (cpp_get_token): When looking for the initial paren before
12332 macro arguments, only set a mark in a file buffer, Always
12333 return to that mark before proceeding to call macroexpand or
12334 return a NAME token.
12336 * cpplib.h: Remove prototypes of parse_set_mark,
12337 parse_clear_mark, parse_goto_mark.
12338 (struct cpp_options): Rename 'put_out_comments' to
12339 'discard_comments' and invert its sense.
12340 * cppinit.c, cpphash.c, cpplib.c: All users of
12341 put_out_comments changed to use discard_comments, with
12344 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
12346 * function.c (thread_prologue_and_epilogue_insns): Don't delete
12347 the edge from a block that both jumps and falls through to the
12350 2000-02-09 Scott Bambrough <scottb@netwinder.org>
12352 * config/arm/arm.md (movsi): In PIC mode, make sure that a
12353 constant source address is legitimate.
12355 2000-02-09 Philip Blundell <pb@futuretv.com>
12357 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
12360 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
12362 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
12364 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
12366 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
12367 ends with a newline and a NUL. Don't be so clever manipulating
12370 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
12372 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
12373 not to BIGGEST_ALIGNMENT.
12375 2000-02-08 Geoff Keating <geoffk@cygnus.com>
12377 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
12378 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
12379 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
12380 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
12381 * frame.c (execute_cfa_insn): Handle
12382 DW_CFA_GNU_negative_offset_extended.
12384 2000-02-08 Richard Henderson <rth@cygnus.com>
12386 * flow.c (tidy_fallthru_edges): Split out from ...
12387 (delete_unreachable_blocks): ... here.
12388 (find_basic_blocks): Use it.
12390 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12392 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
12394 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
12396 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
12397 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
12398 (fix-header.o): Don't depend on cpphash.h.
12400 * scan.c (hashstr): New function.
12401 * scan.h: Prototype it.
12402 * fix-header.c: Don't include cpphash.h. Use hashstr.
12403 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
12404 hashstr. Report hash table statistics. Add private
12405 definition of xrealloc.
12407 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12409 * i386.h (TARGET_SWITCHES): Fix typo in option name.
12411 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
12413 * function.c (thread_prologue_and_epilogue_insns): Don't replace
12414 jumps with returns unless they are jumps to the fallthru block.
12416 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
12418 * i386.md (addqi3_cc): Fix contraints.
12420 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12422 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
12424 2000-02-07 Mark Mitchell <mark@codesourcery.com>
12426 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
12427 carriage return after a macro name.
12429 2000-02-07 Fred Fish <fnf@be.com>
12431 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
12432 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
12434 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
12436 * cppfiles.c (deps_output): Count spacers in deps_column.
12438 2000-02-07 Neil Booth <NeilB@earthling.net>
12440 * cppinit.c (initialize_dependency_output): If there is no
12441 suffix, don't try to look for known suffixes. Use strrchr.
12442 (cpp_start_read): Remove duplicate initialization.
12444 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
12446 * calls.c (compute_argument_block_size): New argument
12447 preferred_stack_boundary.
12448 (expand_call): update cfun->preferred_stack_boundary, update call of
12449 compute_argument_block_size
12450 (emit_library_call): Increate cfun->preferred_stack_boundary
12451 to PREFERRED_STACK_BOUNDARY
12452 (emit_library_call_value): Likewise.
12453 * explow.c (allocate_dynamic_stack_spave): Likewise.
12454 * function.c (prepare_function_start): Set
12455 cfun->preferred_stack_boundary
12456 * function.h (struct function): Add preferred_stack_boundary field.
12457 * integrate.c (expand_inline_function): Update
12458 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
12459 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
12460 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
12462 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
12464 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
12465 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
12466 cpp_pedwarn, cpp_pedwarn_with_line,
12467 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
12468 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
12469 v_cpp_error_with_line, v_cpp_warning_with_line,
12470 cpp_message_from_errno, cpp_perror_with_name): Delete.
12472 * cpperror.c (cpp_print_containing_files): Take starting
12473 buffer as argument.
12474 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
12475 (v_cpp_message): Now called directly by all entry points.
12477 (cpp_pfatal_with_name, cpp_message): Delete.
12478 (cpp_notice_from_errno, cpp_ice): New functions.
12479 (cpp_notice): Is now for reporting error conditions, just
12480 without an associated file.
12481 (cpp_error, cpp_error_with_line): Don't do anything if
12482 opts->inhibit_errors is on.
12483 (cpp_pedwarn_with_file_and_line): Take column argument also.
12485 * cpplib.h: Update prototypes of exported functions.
12486 (struct cpp_options): Add inhibit_errors.
12488 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
12489 non-error messages. Include intl.h.
12491 * cppinit.c, cppmain.c: Likewise. Also, use
12492 cpp_notice_from_errno instead of cpp_perror_with_name or
12493 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
12495 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
12496 report internal errors.
12498 * cpplib.c (do_define): Switch bcopy to memcpy.
12499 Give cpp_pedwarn_with_file_and_line a dummy column argument.
12501 * cpplib.c (copy_rest_of_line): Revert previous change: don't
12502 bail out early if we hit a line comment.
12504 2000-02-06 Richard Henderson <rth@cygnus.com>
12506 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
12507 * basic-block.h: Declare them.
12508 * emit-rtl.h (active_insn_p): New.
12509 (next_active_insn, prev_active_insn): Use it.
12510 * rtl.h: Declare it.
12511 * function.c (emit_return_into_block): New.
12512 (thread_prologue_and_epilogue_insns): Insert return insns instead
12513 of epilogues when possible.
12514 * jump.c (jump_optimize_1): Remove code to insert a return insn
12515 on the fallthru to the exit block.
12517 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
12518 and for non-empty stack frames.
12519 * i386.md (return): Expand to return-pop as needed.
12521 2000-02-06 Richard Henderson <rth@cygnus.com>
12523 * simplify-rtx.c (simplify_relational_operation): Canonicalize
12524 constant to op1 for testing.
12526 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12528 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
12529 (fixuns_truncqfqi2): Use it.
12531 2000-02-06 Richard Henderson <rth@cygnus.com>
12533 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
12534 as a TYPE_LEA insn.
12536 * i386.md (widening and peepholes): Mask the constant instead of
12539 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12541 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
12542 input pointer before possibly branching off to the backslash
12544 * cpphash.c (macroexpand): Correctly delete \r escapes when
12545 stringifying parameters.
12546 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
12547 if we can; bail out early if we hit a line comment.
12548 (handle_directive): Treat '# 123' in an .S file just like
12549 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
12550 Return 1 for '# not_a_directive'.
12551 (get_directive_token): Pop macro buffers here, so that
12552 cpp_get_token can't sneakily move past a newline.
12554 (cpp_get_token): goto randomchar if handle_directive returns 0.
12556 * cppalloc.c: Update copyright.
12557 * cpplib.c: Merge all the static function prototypes into one
12559 * cpplib.h: Remove #if 0 block.
12561 * cpperror.c: Remove #ifdef EMACS block.
12562 * cppmain.c: Likewise.
12563 * cpphash.c: Remove #if 0 blocks.
12564 * cppinit.c: Remove #if 0 blocks, and the -lint option.
12565 * cpplib.c: Remove #if 0 blocks and code referencing
12566 pcp_inside_if or for_lint. Remove duplicate error message.
12567 Fix error messages for #else after #else or #elif. Reformat.
12568 Remove archaic TODO list.
12569 * cpplib.h: Remove pcp_inside_if and for_lint flags.
12571 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
12573 * i386/osf1elf.h: Add missing backslash to multiline string.
12575 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12577 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
12579 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12581 * Makefile.in (c-common.o): Depend on $(EXPR_H).
12583 * c-common.c: Include expr.h.
12585 * c-pragma.c (mark_align_stack): Add prototype.
12587 * caller-save.c (add_stored_regs): Likewise.
12589 * combine.c (record_promoted_value): Likewise.
12591 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
12594 * cppinit.c (new_pending_define): Likewise.
12596 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
12598 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
12599 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
12600 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
12601 class_scope_p): Likewise.
12603 * dwarf2out.h (dwarf2out_set_demangle_name_func,
12604 dwarf2out_add_library_unit_info): Likewise.
12606 * ggc.h (ggc_page_print_statistics): Likewise.
12608 * haifa-sched.c (propagate_deps): Likewise.
12610 * reg-stack.c (next_flags_user, record_label_references): Likewise.
12612 * rtl.h (set_stack_check_libfunc): Likewise.
12614 * toplev.h (set_fatal_function): Likewise.
12616 * toplev.c (set_fatal_function): Delete prototype.
12618 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
12620 2000-02-05 Geoff Keating <geoffk@cygnus.com>
12622 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
12623 (FUNC_END): Likewise.
12625 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12627 * caller-save.c: Include tm_p.h.
12629 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12631 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
12633 2000-02-04 Neil Booth <NeilB@earthling.net>
12635 * cccp.c (main): Check 'dir' for a NULL pointer before passing
12638 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
12640 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
12641 * genflags.c: Use the max_operand_1 logic from genemit.c to
12642 calculate how many arguments gen_insn prototypes have. Remove
12643 NO_MD_PROTOTYPES ifdefs from the generated file.
12644 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
12645 file. Cast gen_insn initializers to insn_gen_fn.
12646 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
12647 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
12649 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12651 * fixinc/Makefile.in (HDR): Add machname.h.
12654 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12656 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
12657 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
12658 (c4x_cpu_version): Ditto.
12659 * config/c4x/c4x-protos.h: ... here.
12661 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
12663 * dwarf2out.c (add_abstract_origin_attribute): Don't call
12664 gen_abstract_function on our context if we're a nested function.
12666 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12668 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
12669 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
12671 2000-02-04 Bruce Korb <bkorb@gnu.org>
12673 * fixinc/genfixes(machname.h):
12674 Move the functionality from gen-machine.h into this file.
12675 UNdef MN_NAME_PAT if there are no names to change.
12676 Also, be a little kinder when AutoGen is not present.
12678 * fixinc/Makefile.in(machname.h):
12679 Change the generation rule to use genfixes.
12681 * fixinc/fixfixes.c(machine_name):
12682 machine_name_fix's functionality now dependent upon whether
12683 MN_NAME_PAT is defined.
12685 * fixinc/fixtests.c(machine_name):
12688 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
12691 * fixinc/fixlib.h(mn_get_regexps):
12694 * fixinc/gen-machine.h: DELETED
12696 2000-02-04 Jan Hubicka <jh@suse.cz>
12697 Richard Henderson <rth@cygnus.com>
12699 * i386.c (SAVE_REGS_FIRST): Remove.
12700 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
12701 (ix86_compute_frame_size): Likewise.
12702 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
12703 (ix86_emit_restore_regs): Remove.
12704 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
12705 when a frame pointer is in use.
12706 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
12707 instead of pop to restore a register when profitable; emit leave
12709 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
12710 as a TYPE_LEA insn.
12711 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
12712 * i386.md (prologue_allocate_stack): Remove.
12713 (epilogue_deallocate_stack): Remove.
12714 (pro_epilogue_adjust_stack): New.
12716 2000-02-04 Richard Henderson <rth@cygnus.com>
12718 * function.c (diddle_return_value): Rework to use a callback function.
12719 Use current_function_return_rtx if it's been set up.
12720 (do_clobber_return_reg, clobber_return_register): New.
12721 (do_use_return_reg, use_return_register): New.
12722 (expand_function_end): Use them.
12723 * stmt.c (expand_null_return): Likewise.
12724 * function.h: Declare them.
12725 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
12726 (mark_reg): Change arguments as appropriate for callback.
12727 * integrate.c (expand_inline_function): Revert 19 Jan change.
12729 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
12731 * tm.texi (Values in Registers): Fix typo: "fo" "for".
12732 (Misc): Say the scheduler, not the Haifa scheduler.
12734 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
12736 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
12737 when in_mem is set. Update all callers.
12739 2000-02-04 Richard Henderson <rth@cygnus.com>
12741 * i386/openbsd.h (INT_ASM_OP): Define.
12743 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
12745 * tm.texi: Fix various typos.
12747 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
12749 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
12750 (MD_STARTFILE_PREFIX_1): New macro.
12752 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
12754 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
12755 destination when needed.
12756 (strmovsi, strsetsi): New expander.
12757 (strmovsi_1, strsetsi_1): New pattern.
12758 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
12759 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
12760 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
12761 * invoke.texi (align-stringops, inline-all-stringops): Document.
12763 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
12765 * i386/netbsd.h (INT_ASM_OP): Define.
12767 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
12769 * cpplib.h (cpp_reader): Add new flag, no_directives.
12770 * cpphash.c (macarg): Set it.
12771 * cpplib.c (handle_directive): If no_directives is on and we
12772 find a directive, issue an error and discard the line.
12774 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
12776 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
12777 FP constants. Add ! TARGET_FPU check for FP constants.
12779 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
12781 * flow.c (find_basic_blocks): Don't kill label_value_list
12783 (cleanup_cfg): Kill it here.
12785 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12787 * expr.c (store_field): Ensure ALIGN is no stricter than the
12790 2000-02-02 Richard Henderson <rth@cygnus.com>
12792 * jump.c (delete_insn): Partially revert 19 Jan change;
12793 don't convert unused code labels to notes at -O0.
12795 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12797 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
12798 split_all_insns to recreate REG_LABEL notes for flow2 pass.
12800 2000-02-01 Richard Henderson <rth@cygnus.com>
12802 * i386.c (general_no_elim_operand): New.
12803 (nonmemory_no_elim_operand): New.
12804 (ix86_expand_move): Copy eliminable operands before a push.
12805 * i386-protos.h: Declare new functions.
12806 * i386.h (CAN_ELIMINATE): Simplify.
12807 (PREDICATE_CODES): Update.
12808 * i386.md (push insns): Don't allow eliminable register operands.
12810 2000-02-01 Richard Henderson <rth@cygnus.com>
12812 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
12813 replace BLKmode with DECL_RTL's mode.
12815 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
12817 * frame.c (find_fde): Convert for loop to do-while so compiler
12818 sees it's always executed at least once.
12819 * libgcc2.c (BBINBUFSIZE): Kill.
12820 (__bb_init_prg): Use fgets.
12821 (__bb_exit_trace_func): Don't paste strings.
12822 * unroll.c (unroll_loop): Initialize unroll_type, not
12823 unroll_number, and tweak logic to match.
12825 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
12827 (ix86_flags_dependant): Likewise. Disentangle control flow.
12828 (ix86_sched_reorder): Break guts out to
12829 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
12830 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
12833 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
12834 use string concatenation. Don't save and restore esi.
12836 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
12837 (machname.h): Remove script to separate file. Use two-step
12838 sequence so target is not created if script fails.
12839 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
12840 identifiers are defined.
12841 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
12842 an empty string, machine_name doesn't need to do anything at
12844 (is_cxx_header): Add more cases to regexp.
12845 * fixinc/fixlib.h: Update prototype.
12846 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
12848 * fixinc/fixincl.c: Define NO_BOGOSITY.
12850 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
12851 (hp_sysfile): Add missing comma.
12852 (math_exception): Put the wrapper ifdefs at the beginning and
12853 the end of the file.
12854 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
12856 2000-02-01 Richard Henderson <rth@cygnus.com>
12858 * sparc.c (fp_zero_operand): Turn into a normal predicate.
12859 Use CONST0_RTX. Update all callers.
12860 * sparc.h, sparc-protos.h: Update accordingly.
12861 * sparc.md (fp mov insns): Use fp_zero_operand directly
12864 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
12866 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
12869 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12871 * Makefile.in (specs.ready): New target.
12872 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
12874 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12876 * fixinc.irix: Use unique filenames for writing into /tmp,
12877 * fixinc.ptx: Likewise.
12878 * fixinc.sco: Likewise.
12879 * fixinc.svr4: Likewise.
12880 * fixinc.winnt: Likewise.
12882 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12884 * tsystem.h: New file.
12886 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
12887 s-crtS): Depend on tsystem.h.
12889 * crtstuff.c: Include tsystem.h.
12890 * frame.c: Likewise.
12891 * libgcc2.c: Likewise.
12893 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
12895 * builtins.c (expand_builtin_memset): Expand for variable sized
12898 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
12900 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
12903 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
12905 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
12907 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
12909 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
12911 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
12912 case 3->2 combining (combining with splitting) in which 2 is CC0
12913 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
12914 checked at the begining of the function with the aid of calling
12915 function 'can_combine_p'.
12917 2000-01-31 Dave Brolley <brolley@redhat.com>
12919 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
12921 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
12923 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
12926 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12928 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
12930 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
12933 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12935 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
12936 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
12937 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
12938 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
12939 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
12940 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
12941 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
12942 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
12943 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
12944 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
12946 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
12947 Add %(cpp_cpu) to CPP_SPEC.
12949 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
12950 Add %(cc1_cpu) to CC1_SPEC.
12952 2000-01-28 Ulrich Drepper <drepper@redhat.com>
12954 * c-decl.c (c_decode_option): Accept optional numeric argument to
12955 -Wformat and set warn_format.
12956 * c-common.c: Don't emit warning about non-constant printf format
12957 string unless warn_format > 1.
12959 2000-01-30 Richard Henderson <rth@cygnus.com>
12961 * alpha.md (return_internal): Allow after reload only.
12963 2000-01-30 Richard Henderson <rth@cygnus.com>
12965 * i386.c (ix86_compute_frame_size): Omit padding1 if the
12966 local frame size is zero.
12968 2000-01-30 Richard Henderson <rth@cygnus.com>
12970 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
12971 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
12972 * alpha.md (return): Turn into an expander.
12973 (return_internal): Don't use $26.
12974 (epilogue): Emit the return insn.
12976 2000-01-30 Richard Henderson <rth@cygnus.com>
12978 * alpha.md (negtf2, abstf2): Fix word order thinko.
12979 (extendsftf2): New.
12980 (trunctfsf2): Avoid intermediate rounding errors.
12982 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
12984 * cppfiles.c (find_position): Drop 'colp' argument, return the
12986 (read_and_prescan): Adjust to match. Don't ever manipulate
12987 line or line_base except via find_position.
12989 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12991 * c-parse.in: Apply Ulrich's changes from c-parse.y.
12992 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
12995 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
12997 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
12998 just print "<command line>". If 'filename' is null or an
12999 empty string, print "<stdin>" for the filename.
13000 * cpplib.c (do_define): Don't print the 'location of the
13001 previous definition' message if we're still parsing the
13003 (cpp_pedwarn_with_file_and_line): Always call
13004 cpp_file_line_for_message.
13006 2000-01-29 Mark Mitchell <mark@codesourcery.com>
13008 * flow.c (mark_regs_live_at_end): Fix typo.
13010 2000-01-28 Ulrich Drepper <drepper@redhat.com>
13012 * c-common.c: Adjust variable names, comments, help strings to c99.
13013 * c-lex.c: Likewise.
13014 * c-parse.y: Likewise.
13015 * c-tree.h: Likewise.
13016 * cccp.c: Likewise.
13017 * cpplib.h: Likewise.
13018 * c-decl.c: Likewise. Recognize options with names "*99" as well.
13019 * cppinit.c: Likewise.
13021 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13023 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
13024 * c4x.c: Define the optab rtx values.
13025 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
13026 (c4x_emit_libcall): Use new optab rtx values.
13027 (c4x_emit_libcall3): Likewise.
13028 (c4x_emit_libcall_mulhi): Likewise.
13029 * c4x-protos.h: Add prototypes for optab rtx values and change
13030 prototypes for above c4x_emit_libcall functions.
13032 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13034 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
13036 (c4x_function_prologue): Use regnames intead of float_reg_names when
13038 (c4x_function_epilogue): Likewise.
13039 (c4x_print_operand): Likewise.
13040 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
13041 * c4x.md (set_high): Disable for TARGET_TI.
13043 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13045 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
13046 of framepointer + constant to ADDR_REGS class.
13047 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
13048 * c4x.c (std_or_reg_operand): New function.
13049 * c4x-protos.h (std_or_reg_operand): Prototype it.
13051 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
13053 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
13054 object names as libgcc2.c.
13055 * libgcc.S: Use newly defined names.
13057 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
13058 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
13060 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
13061 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
13062 (FLOW_LOOP_LAST_BLOCK): Likewise.
13064 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13066 * basic-block.h (struct loop): New fields 'first' and 'last'.
13067 * flow.c (flow_loops_find): Compute loop->first and loop->last.
13068 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
13069 and loop->last to check for NOTE_INSN_LOOP_END.
13071 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
13073 * predict.c (estimate_probability): Use the new FIRST and LAST fields
13074 of the loop descriptor rather than HEADER and LATCH. Also added
13075 missing break statements as well making some coding style modifications
13076 as suggested by Michael Hayes.
13078 2000-01-28 Richard Henderson <rth@cygnus.com>
13080 * flow.c (find_basic_blocks): Remove do_cleanup argument.
13081 Break out that code ...
13082 (cleanup_cfg): ... here.
13083 (commit_one_edge_insertion): Detect a return instruction being
13084 emitted to an edge. Emit a barrier following; clear fallthru.
13085 (commit_edge_insertions): Verify CFG consistency.
13086 * function.c (expand_function_start): Kill unused variable.
13087 (expand_function_end): Likewise.
13088 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
13089 to insert the epilogue.
13091 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
13092 (delete_null_pointer_checks): Likewise.
13093 * output.h: Likewise.
13094 * reg-stack.c (reg_to_stack): Likewise.
13095 * toplev.c (rest_of_compilation): Likewise. Run
13096 thread_prologue_and_epilogue_insns after rebuilding the CFG.
13098 2000-01-28 Richard Henderson <rth@cygnus.com>
13100 * Makefile.in (flow.o): Revert 24 Jan change.
13101 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
13102 FUNCTION_VALUE result to DECL_RESULT's mode.
13104 * haifa-sched.c (schedule_insns): Don't recompute reg info
13107 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
13109 * configure.in: Make --enable-cpplib the default.
13110 * configure: Regenerate.
13111 * gcc.dg/990119-1.c: No longer expected to fail.
13113 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
13115 * jump.c (jump_optimize_1): Delete an optimization that is also done
13116 by merge_blocks in flow.
13118 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13120 * diagnostic.c (build_message_string, output_printf,
13121 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
13122 (build_location_prefix): Fix non-literal format string.
13124 2000-01-27 Richard Henderson <rth@cygnus.com>
13126 * alpha.md (trunctfsf2): New.
13128 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
13130 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
13132 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13134 * cppinit.c (cpp_handle_option): Recognize C++ comments under
13136 * cpplib.c (skip_block_comment, skip_line_comment): Split code
13138 (skip_comment) ... here. Permit C++ comments in system
13139 headers always. Warn about C++ comments in user code under
13140 -std=gnu89 -pedantic.
13141 (copy_comment): Use skip_comment.
13142 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
13144 (consider_directive_while_skipping, do_else, do_endif): Call
13145 validate_else unconditionally.
13146 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
13147 text after the conditional in a system header.
13148 * cpplib.h (struct cpp_buffer): Add flag
13149 warned_cplusplus_comments.
13151 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13153 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
13154 Use unshare_all_rtl_1.
13155 (unshare_all_rtl_again): New function.
13156 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
13158 * function.c (purge_addressof_1): Use unshare_all_rtl_again
13159 rather than resetting the 'used' flags ourself.
13161 * toplev.c (rest_of_compilation): Add current_function_decl
13162 to the unshare_all_rtl call.
13163 * tree.h: Prototype unshare_all_rtl.
13164 * rtl.h: Prototype unshare_all_rtl_again here.
13166 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
13168 * genoutput.c (output_prologue): Include ggc.h in generated
13170 * Makefile.in (insn-output.o): Depends on ggc.h.
13172 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
13173 Hans-Peter Nilsson <hp@bitrange.com>
13175 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
13176 Remove redundant include of xm-ns32k.h.
13177 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
13178 Remove redundant include of xm-ns32k.h.
13179 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
13180 Remove redundant include of xm-ns32k.h.
13181 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
13183 * ns32k/ns32k.h: Update comment on multiply-add instructions.
13184 (TARGET_SWITCHES): Add documentation strings.
13185 (DWARF_FRAME_REGNUM): Override default definition.
13186 (REG_CLASS_CONTENTS): Add comments.
13187 (SUBSET_P): Format to reduce line length.
13188 (SMALL_REGISTER_CLASSES): Make a run time option.
13189 (GO_IF_NONINDEXED_ADDRESS): Reformat.
13190 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
13191 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
13192 (regclass_map): fix typo in comment.
13193 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
13194 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
13195 (trace, reg_or_mem_operand): Delete, unused function.
13196 (calc_address_cost): Small offsets are cheaper than large ones.
13197 (expand_block_move): Generate more efficient code when bytes is a
13198 known at compile time.
13199 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
13200 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
13201 instead of reg_or_mem_operand.
13203 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
13204 not general_operand. Similarly use "=rm" or stricter, not "=g".
13205 For input operands, use stricter constraints than "g" if not
13206 general_operand. Similarly use stricter predicate than
13207 "general_operand" when stricter constraints than "g" are present,
13208 except for matching constraints.
13209 (movstrsi): Use "memory_operand" for operands 0 and 1.
13210 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
13211 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
13212 not reg_or_mem_operand.
13213 (udivmoddisi4): Ditto.
13214 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
13215 Use nonimmediate_operand for operand 3, not register_operand.
13216 (udivmoddiqi4_internal): Use register_operand for operand 1, not
13217 reg_or_mem_operand.
13219 2000-01-27 Fred Fish <fnf@be.com>
13221 * gthr-posix.h: Fix typo; compatibily -> compatibility.
13222 * gthr-single.h: Likewise.
13223 * gthr-solaris.h: Likewise.
13224 * gthr-vxworks.h: Likewise.
13225 * gthr-win32.h: Likewise.
13226 * gthr.h: Likewise.
13228 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
13230 * cppinit.c: Add " (cpplib)" to end of string printed by
13233 2000-01-27 Richard Henderson <rth@cygnus.com>
13235 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
13236 testing for a signed comparison.
13237 (alpha_emit_floatuns): New.
13238 * alpha-protos.h: Declare it.
13239 * alpha.md (floatunsdisf2, floatunsdidf2): New.
13240 (extendsfdf2): Tidy.
13242 2000-01-27 Jakub Jelinek <jakub@redhat.com>
13244 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
13245 no -g option specifying debugging format, default to -gstabs+.
13247 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13249 * calls.c (special_function_p): New argument fork_or_exec.
13250 (expand_call): When profile_arc_flag is set and the function
13251 is in the fork_or_exec group, call __bb_fork_func first.
13252 * libgcc2.c, _bb module (__bb_fork_func): New function.
13253 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
13255 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
13256 * tree.h (special_function_p): Update prototype.
13258 2000-01-26 Richard Henderson <rth@cygnus.com>
13260 * alpha.c (alpha_split_tfmode_pair): New.
13261 * alpha-protos.h: Declare it.
13262 * alpha.md (abstf2, negtf2): New.
13263 (movtf insn): Add input G constraint.
13264 (movtf splitter): Use alpha_split_tfmode_pair.
13266 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13268 * i386/cygwin.h: PROTO -> PARAMS.
13270 2000-01-26 Jakub Jelinek <jakub@redhat.com>
13272 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
13273 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
13274 using _Qp_cmp/_Q_cmp and testing the return value.
13275 (print_operand): Call reverse_condition_maybe_unordered if
13276 we are handling CCFPmode or CCFPEmode.
13277 Handle ORDERED, UN* and LTGT comparisons.
13278 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
13279 if not TARGET_HARD_QUAD.
13280 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
13281 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
13282 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
13283 Adjust gen_b* calls so that they reflect return comparison of
13284 sparc_emit_float_lib_cmp.
13286 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13288 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
13289 incoming operands array is large enough for one more operand.
13290 (alpha_emit_xfloating_arith): Likewise.
13292 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13294 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
13295 file with one line and no trailing newline.
13296 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
13297 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
13298 checking if the match is on the line.
13299 * fixinc/gnu-regex.c: Provide regerror not __regerror.
13301 2000-01-25 Richard Henderson <rth@cygnus.com>
13303 * sparc.c (output_cbranch): Fix accidental squashing of the
13304 fp branch pre-delay nop.
13306 2000-01-25 Richard Henderson <rth@cygnus.com>
13308 * tree.def (UNNE_EXPR): Remove.
13309 * c-typeck.c (build_binary_op): Don't handle it.
13310 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
13312 * rtl.def (UNNE): Remove.
13314 * jump.c (reverse_condition): Update accordingly.
13315 (swap_condition): Likewise.
13316 (comparison_dominates_p): Handle unordered comparisons.
13317 (reverse_condition_maybe_unordered): New.
13318 * rtl.h (reverse_condition_maybe_unordered): Declare.
13320 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
13321 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
13322 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
13323 * sparc.md (bltgt): New.
13325 2000-01-25 Nick Clifton <nickc@redhat.com>
13327 * emit-rtl.c (emit_insn): Only check machine class insns for
13328 improper emission of a RETURN.
13330 2000-01-25 Richard Henderson <rth@cygnus.com>
13332 * Makefile.in (flow.o): Depend on $(EXPR_H).
13333 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
13334 duplicate the structure of diddle_return_value for keeping regs live.
13336 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13338 * loop.c (current_loop_info): Delete.
13339 (consec_sets_invariant_p): Add loop argument, update callers.
13340 (get_condition_for_loop): Likewise.
13341 (count_nonfixed_reads, update_giv_derive): Likewise.
13342 (simplify_giv_expr, general_induction_var): Likewise.
13343 (consec_sets_giv, recombine_givs): Likewise.
13344 (move_movables): Delete loop_start and loop_end arguments,
13345 add loop argument, and update callers.
13346 (find_mem_givs, check_final_value): Likewise.
13347 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
13348 (loop_invariant_p): Rename from invariant_p, add loop argument, and
13350 (basic_induction_var): Add loop argument, delete loop_level argument,
13351 and update callers.
13352 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
13353 add loop argument, and update callers.
13354 (find_splittable_regs, find_splittable_givs): Likewise.
13355 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
13356 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
13357 (biv_total_increment): Delete loop_start and loop_end arguments;
13359 (precondition_loop_p): Delete loop_start and loop_info arguments;
13361 * loop.h (get_condition_for_loop): Add loop argument.
13362 (biv_total_increment): Delete loop_start and loop_end arguments.
13363 (precondition_loop_p): Delete loop_start and loop_info arguments;
13365 (final_biv_value): Delete loop_start and loop_end arguments;
13367 (final_giv_value, back_branch_in_range_p): Likewise.
13369 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13371 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
13373 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
13375 * Makefile.in (c-gperf.h) : Change the "See" pointer to
13376 point to the new "generated_files" doc.
13378 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13380 * config/fp-bit.c (_unord_f2): Fix typo.
13382 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13384 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
13385 c-typeck.c, objc/objc-act.c: Remove all references to obstack
13386 functions obsoleted by GC, such as push_obstacks_nochange,
13387 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
13388 and code which existed only to decide whether or not to call
13389 them. Remove now-unused NESTED argument from start_function;
13390 all callers changed. Do not change behavior based on ggc_p.
13391 The use of the ixp_obstack in c-iterate.c and the util_obstack
13392 in objc/objc-act.c remain; these are not obsoleted by garbage
13394 * c-tree.h: Update prototype for start_function.
13396 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
13398 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
13400 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
13403 2000-01-25 Richard Henderson <rth@cygnus.com>
13405 * sparc-protos.h (select_cc_mode): Declare.
13406 * sparc.c (select_cc_mode): New. Handle unordered compares.
13407 (output_cbranch): Always reverse via code change. Handle
13408 unordered compares. Factor tests and string updates.
13409 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
13410 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
13411 * sparc.md (bunordered, bordered): New.
13412 (bungt, bunlt, buneq, bunge, bunle): New.
13414 2000-01-25 Richard Henderson <rth@cygnus.com>
13416 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
13417 * ggc-common.c (ggc_add_rtx_varray_root): New.
13418 (ggc_mark_rtx_varray): New.
13419 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
13420 functions down below ggc_mark_foo.
13421 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
13423 2000-01-25 Richard Henderson <rth@cygnus.com>
13425 * alpha.c (secondary_reload_class): Don't allocate a secondary
13426 for integral mode memories into FLOAT_REGS. Rearrange the more
13427 complicated memory expression inward.
13429 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
13431 * inclhack.def: Fixes to play nicer with FreeBSD, and
13432 corrections to comments.
13433 (cxx_unready): Add select expression.
13434 (irix_sockaddr): Add bypass expression.
13435 (machine_ansi_h_va_list): New fix.
13436 (stdio_va_list): No need to edit _BSD_VA_LIST_.
13437 Split out addition of "#include <stdarg.h>" to...
13438 (stdio_stdarg_h): ... here.
13439 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
13440 to stdlib.h also. Do not munge _BSD_SIZE_T_.
13441 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
13443 (ultrix_ifdef): Tighten up select expression.
13445 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
13446 re_ct and max_mach to avoid use of shell. Make printed names
13447 match names in inclhack.def. Use static copyright date.
13448 Don't count c_test and test expressions as requiring regex_t
13449 slots. Add some commentary.
13450 * inclhack.tpl: Do not include the 'This script contains N
13451 fixup scripts' line if PROGRAM is defined. Use static
13454 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
13456 * dwarf2out.c: include "varray.h", not dyn-string.h.
13457 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
13458 (addr_const_to_string, addr_to_string): Lose.
13459 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
13460 (struct dw_val_struct): val_addr is now an rtx.
13461 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
13462 (used_rtx_varray): New varray.
13463 (dwarf2out_init): Initialize it.
13464 (save_rtx): New fn.
13465 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
13467 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
13468 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
13469 * Makefile.in (dwarf2out.o): Update dependencies.
13471 2000-01-24 Richard Henderson <rth@cygnus.com>
13473 * i386.c (i386_dwarf_output_addr_const): New.
13474 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
13476 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
13478 * dwarfout.c (output_mem_loc_descriptor): Likewise.
13479 * i386.c (i386_simplify_dwarf_addr): New.
13480 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
13482 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
13484 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
13485 TYPE_STUB_DECL is NULL.
13487 2000-01-24 Richard Henderson <rth@cygnus.com>
13489 * builtins.c (expand_tree_builtin): Move ...
13490 * c-common.c (expand_tree_builtin): ... here.
13492 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13494 * loop.h (LOOP_INFO): New accessor macro.
13495 * basic-block.h (struct loop): Rename field `info' to `aux'.
13496 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
13497 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
13498 * unroll.c (loop_iterations, unroll_loop): Likewise.
13500 2000-01-24 Christopher Faylor <cgf@cygnus.com>
13502 * config/i386/t-cygwin: Accomodate new winsup directory layout
13503 when searching for include files.
13505 2000-01-24 Richard Henderson <rth@cygnus.com>
13507 * rtl.def: Add unordered fp comparisions.
13508 * tree.def: Likewise.
13509 * tree.h: Add ISO C 9x unordered fp comparision builtins.
13511 * builtins.c (expand_tree_builtin): New function.
13512 * c-typeck.c (build_function_call): Use it.
13513 (build_binary_op): Support unordered compares.
13514 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
13516 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
13517 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
13518 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
13519 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
13520 * jump.c (reverse_condition): Don't abort for UNLE etc, but
13522 (swap_condition): Handle unordered compares.
13523 (thread_jumps): Check can_reverse before reversing.
13524 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
13527 * optabs.c (can_compare_p): New argument CODE. Verify branch or
13528 setcc is present before acking for cmp_optab. Update all callers.
13529 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
13530 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
13531 * expr.c (expand_expr): Likewise. Support unordered compares.
13532 (do_jump, do_store_flag): Likewise.
13533 * expr.h (enum libfunc_index): Add unordered compares.
13535 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
13536 (DPBIT_FUNCS): Add _unord_df.
13537 * config/fp-bit.c (_unord_f2): New.
13538 * fp-test.c (main): Try unordered compare builtins.
13540 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
13541 * alpha.c (alpha_comparison_operator): Check mode properly.
13542 (alpha_swapped_comparison_operator): Likewise.
13543 (signed_comparison_operator): Likewise.
13544 (alpha_fp_comparison_operator): New.
13545 (alpha_emit_conditional_branch): Handle unordered compares.
13546 * alpha.h (PREDICATE_CODES): Update.
13547 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
13548 (bunordered, bordered): New.
13550 2000-01-24 Richard Henderson <rth@cygnus.com>
13552 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
13553 * alpha.md (movtf): New expander, insn, and splitter.
13555 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
13557 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
13560 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
13562 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
13563 (FIXED_REGISTERS, CALL_USED_REGISTERS,
13564 REG_ALLOC_ORDER): Add frame pointer
13565 (FRAME_POINTER_REGNUM): Set to 20
13566 (HARD_FRAME_POINTER_REGNUM): New macro.
13567 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
13568 to HARD_FRAME_POINTER.
13569 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
13570 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
13571 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
13572 (HI_REGISTER_NAMES): Add "frame".
13573 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
13574 (debug_reg): Handle FRAME_POINTER_REGNUM.
13575 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
13576 GENERAL_REGS and INDEX_REGS.
13577 * i386.c (SAVED_REGS_FIRST): new macro.
13578 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
13579 (ix86_decompose_address, memory_address_length): Likewise.
13580 (regclass_map): Add frame pointer.
13581 (call_insn_operand): Handle frame_pointer_rtx.
13582 (reg_no_sp_operand): Likewise.
13583 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
13584 (print_operand, legitimize_pic_address): Fix formating.
13585 (ix86_compute_frame_size): Make static, update prototype, new
13586 parameters padding1, padding2, use ix86_nsaved_regs, use
13587 stack_alignment_needed.
13588 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
13589 to HARD_FRAME_POINTER_REGNUM conversions.
13590 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
13591 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
13592 (print_reg): Abort on FRAME_POINTER_REGNUM
13594 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
13596 * i386.h (PREDICATE_CODES): Add aligned_operand.
13597 * i386.c (aligned_operand): New function.
13598 (ix86_aligned_p): Kill.
13599 * i386.md (movhi_1): Emit mov for aligned operands.
13600 (promoting peep2s): Use aligned_operand.
13602 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
13604 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
13605 expression to allow underscores in macro names.
13606 (fix_char_macro_defines): Increment scanning pointer.
13608 2000-01-23 Richard Henderson <rth@cygnus.com>
13610 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
13611 * alpha/osf5.h: New file.
13612 * configure.in (alpha-*-osf5): Add it to tm_file.
13614 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
13616 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
13617 (alpha_emit_xfloating_cvt, function_arg): Declare.
13618 * alpha.c (alpha_emit_conditional_branch): Call
13619 alpha_emit_xfloating_compare for TFmode compares.
13620 (alpha_lookup_xfloating_lib_func): New.
13621 (alpha_compute_xfloating_mode_arg): New.
13622 (alpha_emit_xfloating_libcall): New.
13623 (alpha_emit_xfloating_arith): New.
13624 (alpha_emit_xfloating_compare): New.
13625 (alpha_emit_xfloating_cvt): New.
13626 (print_operand): Add default abort case.
13627 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
13628 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
13629 (BIGGEST_ALIGNMENT): Increase to 128 bits.
13630 (RETURN_IN_MEMORY): True for TF/TCmode.
13631 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
13632 (FUNCTION_ARG): Move to function_arg.
13633 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
13634 (ASM_OUTPUT_LONG_DOUBLE): New.
13635 (ASM_OUTPUT_DOUBLE): Always output bits.
13636 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
13637 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
13638 (extenddftf2, trunctfdf2): New.
13640 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13642 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
13643 * config/sparc/sol2.h: ... here.
13645 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13647 * basic-block.h (struct loops): New field `levels'.
13648 * flow.c (flow_loops_level_compute): Traverse all outer loops.
13649 (flow_loop_level_compute): Initialise level to 1.
13650 (flow_loops_find): Set loops->levels.
13651 (flow_loops_dump): Print loops->levels.
13653 2000-01-23 Richard Henderson <rth@cygnus.com>
13655 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
13656 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
13658 2000-01-23 Richard Henderson <rth@cygnus.com>
13660 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
13661 * i386.h (DBX_REGISTER_NUMBER): Use them.
13662 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
13663 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
13664 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
13665 * i386/sequent.h: Kill incorrect comment.
13667 2000-01-23 Mark Mitchell <mark@codesourcery.com>
13669 * ggc-page.c (struct page_entry): Make `context_depth' an
13671 (struct globals): Likewise.
13673 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
13675 * loop.c (check_dbra_loop): When checking a loop for
13676 reversability, check the source of any stores to ensure
13677 they don't depend on an initial value.
13679 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13681 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
13683 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
13685 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
13686 'pz_scan' into scope of entire function. Only affects
13687 compiles with -DDEBUG.
13689 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
13691 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
13692 section naming to that prior to 2000-01-07 patch.
13693 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
13694 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
13695 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
13696 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
13697 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
13699 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
13701 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
13704 2000-01-21 Jim Wilson <wilson@cygnus.com>
13706 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
13707 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
13709 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13711 * cpphash.c (change_newlines): Delete function.
13712 (struct argdata): Delete 'newlines' and 'use_count' fields.
13713 (macroexpand): Remove code referencing those fields.
13715 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13717 * loop.c (loops_info): New variable.
13718 (loop_optimize): Allocate loops->array and free it on exit.
13719 Allocate memory for loops_info and assign to each loop,
13721 (find_and_verify_loops): Do not allocate loops->array.
13723 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
13725 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
13727 2000-01-21 Jakub Jelinek <jakub@redhat.com>
13729 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
13730 pseudos if expanded after first flow.
13731 (movdi_pic_label_ref): Likewise.
13733 2000-01-20 Richard Henderson <rth@cygnus.com>
13735 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
13737 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
13739 * Makefile.in (fixinc.sh): Depend on specs.
13740 * fixinc/Makefile.in: Add rule to create machname.h.
13741 (fixlib.o): Depend on machname.h.
13742 * fixinc/fixtests.c (machine_name): New test.
13743 * fixinc/fixfixes.c (machine_name): New fix.
13744 * fixinc/fixlib.c (mn_get_regexps): New helper function for
13745 the machine_name test and fix.
13746 * fixinc/fixlib.h: Prototype it.
13747 * fixinc/inclhack.def (machine_name): Use the C test and fix.
13748 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
13750 * gcc.c (do_spec_1) [case P]: Take care not to create
13751 identifiers with three leading or trailing underscores.
13753 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
13754 (fixincl): Don't specify libraries twice on link line.
13755 (gnu-regex.o): Remove special rule.
13756 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
13757 defined by config.h. Do not define _REGEX_RE_COMP.
13758 (regcomp): Allocate and initialize a fastmap.
13759 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
13761 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
13763 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
13765 2000-01-19 Richard Henderson <rth@cygnus.com>
13767 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
13768 arguments with BB. Update all callers. Tidy line wrapping.
13770 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
13772 * emit-rtl.c (try_split): Return last_insn if we split the
13775 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
13777 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
13778 (ix86_initial_elimination_offset): Declare.
13779 * i386.c (ix86_nsaved_regs): Break out from ...
13780 (ix86_can_use_return_insn_p): ... here.
13781 (ix86_emit_save_regs): Break out from ...
13782 (ix86_expand_prologue): ... here.
13783 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
13785 (ix86_expand_epilogue): ... here.
13786 (ix86_compute_frame_size): Make static, add prototype.
13787 (ix86_initial_elimination_offset): Break out from ...
13788 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
13790 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13792 * recog.h (OUT_FCN): Delete.
13794 * vax.md: Call `get_insn_template' instead of OUT_FCN.
13796 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13798 * cppalloc.c: PROTO -> PARAMS.
13799 * cpperror.c: Likewise.
13800 * cppfiles.c: Likewise.
13801 * cpplib.c: Likewise.
13802 * cpplib.h: Likewise.
13804 * config/arm/arm-protos.h: PROTO -> PARAMS.
13805 * config/arm/arm.c: Likewise.
13806 * config/c4x/c4x.c: Likewise.
13807 * config/fr30/fr30-protos.h: Likewise.
13808 * config/nextstep.c: Likewise.
13809 * config/pa/pa.c: Likewise.
13810 * config/pj/pj.c: Likewise.
13811 * config/rs6000/rs6000.c: Likewise.
13812 * config/v850/v850-protos.h: Likewise.
13813 * config/v850/v850.c: Likewise.
13815 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13817 * i370-protos.h: New file.
13819 * i370.c: Include tm_p.h. Fix compile time warnings.
13821 * i370.h: Move prototypes to i370-protos.h. Fix compile time
13824 * i370.md: Likewise.
13826 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13828 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
13829 (target_isinf, target_isnan, eisnan): Mark parameter with
13831 (eiisinf): Wrap in INFINITY.
13832 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
13833 (ibmtoe): Remove unused variable `rndsav'.
13835 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13837 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
13838 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
13840 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
13842 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
13843 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
13844 (fix_char_macro_defines, fix_char_macro_uses): New functions.
13846 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
13847 Recognize Emacs mode markers also.
13848 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
13849 C++ comments in C++ headers. Call is_cxx_header only if
13852 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
13853 bypass for ncurses.
13854 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
13855 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
13856 ... these, which use the new C fixes.
13857 (math_exception): Escape literal '+' in bypass expression.
13859 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
13862 2000-01-19 Geoff Keating <geoffk@cygnus.com>
13864 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
13867 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13869 * loop.c (loop_optimize): Allocate loop_info structure for each loop
13870 prior to calling scan_loop.
13872 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13874 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
13875 (split_branches, calc_live_regs): Likewise.
13877 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13879 * sh.md (fpu_single, fp_mode): New attributes.
13881 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13883 * loop.c (current_loop_info): Renamed from loop_info_data
13884 and changed to a pointer.
13885 (loop_optimize): Allocate loop_info structure for each loop
13886 and initialise to zero.
13887 (scan_loop): Set current_loop_info.
13889 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
13892 2000-01-19 Richard Henderson <rth@cygnus.com>
13894 * stupid.c: Die die die.
13895 * Makefile.in (OBJS): Remove stupid.o.
13896 (stupid.o): Likewise.
13898 * except.c (emit_eh_context): Don't emit USEs for stupid.
13899 * explow.c (probe_stack_range): Likewise.
13900 * flags.h (obey_regdecls): Remove.
13901 * flow.c (find_basic_blocks): Don't run try_merge_blocks
13902 when not optimizing.
13903 (life_analysis): Limit data collection when not optimizing.
13904 (mark_regs_live_at_end): Always mark the return value registers.
13905 (mark_used_regs): Remove dummy RETURN case.
13906 (print_rtl_with_bb): Don't consult obey_regdecls.
13907 * function.c (use_variable, use_variable_after): Remove.
13908 (assign_parms): Consult optimize not obey_regdecls.
13909 (expand_function_start): Don't emit USEs for stupid.
13910 (expand_function_end): Likewise.
13911 * global.c (build_insn_chain): Export.
13912 * integrate.c (expand_inline_function): Kill return-value USE
13914 * jump.c (jump_optimize_1): Do simple jump optimizations and
13915 dead code elimination.
13916 (calculate_can_reach_end): Remove check_deleted argument.
13917 (delete_insn): Patch out insns even when not optimizing.
13918 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
13919 * rtl.h (use_variable, use_variable_after): Remove declarations.
13920 (build_insn_chain): Declare.
13921 * stmt.c (expand_value_return): Don't emit USEs for stupid.
13922 (expand_end_bindings): Likewise.
13923 (expand_decl): Likewise. Consult optimize not obey_regdecls.
13924 * toplev.c (obey_regdecls): Remove.
13925 (rest_of_compilation): Don't set it. Kill stupid in favour of
13926 flow1, local-alloc, and reload.
13927 (main): Don't set obey_regdecls.
13929 * config/nextstep.c (handle_pragma): Likewise.
13931 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
13933 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
13935 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13937 * alpha-protos.h: PROTO -> PARAMS.
13938 * alpha.c: Likewise.
13940 * h8300.c: Likewise.
13941 * i386-protos.h: Likewise.
13942 * i386.c: Likewise.
13943 * m32r-protos.h: Likewise.
13944 * m32r.c: Likewise.
13945 * mips.c: Likewise.
13946 * mips.md: Likewise.
13947 * gmon-sol2.c: Likewise.
13948 * sparc.c: Likewise.
13950 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13952 * ns32k-protos.h: New file.
13954 * ns32k.c: Fix compile time warnings.
13956 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
13959 * ns32k.md: Likewise.
13961 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13963 * vax-protos.h: New file.
13965 * vax.c: Fix compile time warnings.
13967 * vax.h: Move prototypes to vax-protos.h. Fix compile time
13970 * vax.md: Likewise.
13972 * vaxv.md: Likewise.
13974 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13976 * romp-protos.h: New file.
13978 * romp.c: Fix compile time warnings.
13980 * romp.h: Move prototypes to romp-protos.h. Fix compile time
13983 * romp.md: Likewise.
13985 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13987 * we32k-protos.h: New file.
13989 * we32k.c: Fix compile time warnings.
13991 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
13994 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13996 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
13998 * except.c (eh_regs): Likewise.
14000 * final.c (output_operand): Likewise.
14002 * fold-const.c (target_isinf, target_isnan): Likewise.
14004 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
14006 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
14007 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
14009 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
14010 when optimize_size.
14011 (clrstrsi): Rewrite.
14012 (strsethi, strsetqi): New expanders.
14013 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
14014 (cmpstrsi): Emit compare insn before cmpstrsi_1
14015 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
14016 (strlensi_1): Likewise.
14017 (cmpstrsi_1): Likewise; do not output compare.
14018 (strlen expander): Do not unroll when optimizing for size.
14019 (*subsi3_carry): Rename to subsi3_carry
14020 (addqi3_cc): New pattern.
14021 * i386.h (processor_costs): Add move_ratio field.
14022 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
14023 * i386.c (*_cost): Set move_ratio.
14024 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
14025 (x86_expand_strlensi_1): Rewrite the main loop.
14027 2000-01-17 Richard Henderson <rth@cygnus.com>
14029 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
14030 * cse.c (find_comparison_args, fold_rtx): Likewise.
14031 * integrate.c (subst_constants): Likewise.
14032 * loop.c (get_condition): Likewise.
14034 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
14036 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
14038 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
14040 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
14041 (RESTORE_WARN_FLAGS): Unpack it.
14042 Change semantic type of extension to ttype.
14043 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
14044 * c-parse.y, c-parse.c, objc/objc-parse.y,
14045 objc/objc-parse.c: Regenerate.
14047 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
14049 * fixinc/fixlib.c: Add copyright notice.
14050 (compile_re): New function.
14051 * fixinc/fixlib.h: Prototype compile_re.
14053 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
14054 Use compile_re to compile regular expressions.
14056 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
14057 where the pattern matched.
14059 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
14061 (ultrix_ansi_compat): Likewise.
14062 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
14064 (interactv_add2, interactv_add3): Delete.
14065 (x11_sprintf): Don't use filename glob.
14066 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
14069 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14071 * print-rtl.c: PROTO -> PARAMS.
14072 * real.c: Likewise.
14073 * reg-stack.c: Likewise.
14074 * resource.c: Likewise.
14075 * sdbout.h: Likewise.
14076 * simplify-rtx.c: Likewise.
14077 * stor-layout.c: Likewise.
14078 * stupid.c: Likewise.
14079 * xcoffout.c: Likewise.
14080 * xcoffout.h: Likewise.
14082 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14084 * toplev.c: PROTO -> PARAMS.
14085 * toplev.h: Likewise.
14086 * tree.c: Likewise.
14087 * tree.h: Likewise.
14088 * unroll.c: Likewise.
14089 * varasm.c: Likewise.
14090 * varray.c: Likewise.
14091 * varray.h: Likewise.
14093 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14095 * reload.c: PROTO -> PARAMS.
14096 * reload.h: Likewise.
14097 * reload1.c: Likewise.
14098 * reorg.c: Likewise.
14099 * resource.h: Likewise.
14102 * rtlanal.c: Likewise.
14103 * sbitmap.h: Likewise.
14104 * sdbout.c: Likewise.
14105 * stack.h: Likewise.
14106 * stmt.c: Likewise.
14107 * system.h: Likewise.
14109 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14111 * machmode.h: PROTO -> PARAMS.
14112 * mbchar.h: Likewise.
14113 * mips-tdump.c: Likewise.
14114 * mips-tfile.c: Likewise.
14115 * optabs.c: Likewise.
14116 * output.h: Likewise.
14117 * prefix.c: Likewise.
14118 * profile.c: Likewise.
14119 * protoize.c: Likewise.
14120 * real.h: Likewise.
14121 * recog.c: Likewise.
14122 * recog.h: Likewise.
14123 * regclass.c: Likewise.
14124 * regmove.c: Likewise.
14125 * regs.h: Likewise.
14127 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14129 * ggc-common.c: PROTO -> PARAMS.
14130 * ggc-page.c: Likewise.
14131 * ggc-simple.c: Likewise.
14133 * global.c: Likewise.
14134 * graph.c: Likewise.
14135 * gthr-win32.h: Likewise.
14136 * haifa-sched.c: Likewise.
14137 * halfpic.h: Likewise.
14138 * integrate.c: Likewise.
14139 * integrate.h: Likewise.
14140 * jump.c: Likewise.
14142 * local-alloc.c: Likewise.
14143 * loop.c: Likewise.
14144 * loop.h: Likewise.
14146 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14148 * genattr.c: PROTO -> PARAMS.
14149 * genattrtab.c: Likewise.
14150 * gencheck.c: Likewise.
14151 * gencodes.c: Likewise.
14152 * genconfig.c: Likewise.
14153 * genemit.c: Likewise.
14154 * genextract.c: Likewise.
14155 * genflags.c: Likewise.
14156 * gengenrtl.c: Likewise.
14157 * genopinit.c: Likewise.
14158 * genoutput.c: Likewise.
14159 * genpeep.c: Likewise.
14160 * genrecog.c: Likewise.
14162 2000-01-16 Mark Mitchell <mark@codesourcery.com>
14164 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
14166 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14168 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
14169 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
14170 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
14171 * configure, config.in: Rebuilt.
14173 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
14175 * config/i386/i386.md: Add peephole to merge successive stack
14178 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
14180 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
14181 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
14182 when walking backwards to find all the parameter loads when
14183 the basic block ends in a call.
14185 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14187 * loop.c (this_loop_info): Delete.
14188 (uid_loop): Add in place of uid_loop_num. All uses updated.
14189 (loop_number_exit_count): Delete and replace with entry in loop
14190 structure. All uses updated.
14191 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14192 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14193 (loop_outer_loop): Likewise.
14194 (loop_invalid, loop_number_exit_labels): Likewise.
14195 (loop_used_count_register): Delete and replace with entry in
14196 loop_info structure.
14197 (find_and_verify_loops): Add loops argument.
14198 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
14199 loop_end, etc. arguments with loop structure pointer. All callers
14201 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
14202 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
14203 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
14204 (insert_bct): Likewise.
14205 (basic_induction_var): New argument level.
14206 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
14207 vtop, and cont. Add used_count_register.
14208 (uid_loop): Delete declaration.
14209 (loop_number_exit_count): Likewise.
14210 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
14211 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
14212 (loop_outer_loop, loop_used_count_register): Likewise.
14213 (loop_invalid, loop_number_exit_labels): Likewise.
14214 (unroll_loop): Replace loop_start and loop_end arguments
14215 with loop structure pointer.
14216 (loop_precondition_p, loop_iterations): Likewise.
14217 Include basic-block.h.
14218 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
14219 with loop structure pointer.
14220 (loop_precondition_p, loop_iterations): Likewise.
14221 * basic-block.h (struct loop): New entries vtop, cont,
14222 cont_dominator, start, end, top, scan_start, exit_labels,
14224 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
14226 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
14228 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
14230 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
14232 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
14234 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14236 * pdp11-protos.h: New file.
14238 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
14241 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
14244 * pdp11.md: Likewise.
14246 * 2bsd.h: Likewise.
14248 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14250 * mn10300-protos.h: New file.
14252 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
14255 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
14258 * mn10300.md: Likewise.
14260 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14262 * mn10200-protos.h: New file.
14264 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
14267 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
14270 * mn10200.md: Likewise.
14272 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14274 * h8300-protos.h: New file.
14276 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
14279 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
14282 * h8300.md: Likewise.
14284 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14286 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
14287 (asm_emit_uninitialised): Likewise.
14289 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
14291 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
14292 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
14294 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14296 * config/mips/mips.c (override_options): Don't turn on extra
14297 alignment for mips16.
14299 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14301 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
14302 eabi, and make sure queued POSTINCREMENT rtl is emitted at
14305 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14307 * builtins.c (PAD_VARARGS_DOWN): Define.
14308 (std_expand_builtin_va_arg): Use the above macro.
14309 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
14310 * tm.texi (Register Arguments): Document the above macro.
14312 2000-01-14 Nick Clifton <nickc@cygnus.com>
14314 * emit-rtl.c (emit_insn): If checking is enabled, make sure
14315 that this function has not been used to emit a jump
14318 * jump.c (return_jump_1): Cope with being passed a null rtx.
14320 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14322 * eh-common.h: PROTO -> PARAMS.
14323 * emit-rtl.c: Likewise.
14324 * errors.c: Likewise.
14325 * errors.h: Likewise.
14326 * except.c: Likewise.
14327 * except.h: Likewise.
14328 * explow.c: Likewise.
14329 * expmed.c: Likewise.
14330 * expr.c: Likewise.
14331 * expr.h: Likewise.
14332 * final.c: Likewise.
14333 * fix-header.c: Likewise.
14334 * flow.c: Likewise.
14335 * fold-const.c: Likewise.
14336 * function.c: Likewise.
14337 * function.h: Likewise.
14339 * gcov-io.h: Likewise.
14340 * gcov.c: Likewise.
14341 * gcse.c: Likewise.
14343 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14345 * sh-protos.h: New file.
14347 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
14348 Add static prototypes. Fix compile time warnings.
14350 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
14354 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14356 * arc-protos.h: New file.
14358 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
14361 * arc.h: Move prototypes to arc-protos.h. Fix compile time
14364 * arc.md: Likewise.
14366 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14368 * dsp16xx-protos.h: New file.
14370 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
14373 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
14376 * dsp16xx.md: Likewise.
14378 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14380 * convex-protos.h: New file.
14382 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
14385 * convex.h: Move prototypes to convex-protos.h. Fix compile time
14388 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14390 * elxsi-protos.h: New file.
14392 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
14395 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
14398 * elxsi.md: Likewise.
14400 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
14402 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
14403 case for moving from HI/LO/HI_LO_REG. This makes the behavior
14404 match the comment for MIPS16.
14406 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
14408 * flow.c (split_edge): Do not call set_block_for_insn if we
14409 do not have a basic_block_for_insn structure.
14411 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
14412 and destination functions are 32bit aligned within the trampoline.
14413 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
14414 (TRAMPOLINE_ALIGNMENT): Define.
14416 * cse.c (cse_insn): When changing (set (pc) (reg)) to
14417 (set (pc) (label_ref)), verify the change creates a valid insn.
14419 * fr30.c (call_operand): Tighten and rework to match rules for
14420 call RTL expressions.
14421 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
14422 * fr30.md (call patterns): Improve constraints.
14424 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
14426 * fr30.c (fr30_expand_epilogue): Revert last change.
14427 Use emit_jump_insn for the return insn.
14429 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
14430 Stan Cox <scox@cygnus.com>
14432 * predict.c: New file. Preliminary infrastructure work for static
14433 branch prediction and basic block reordering.
14434 * basic-block.h: Add prototype for estimate_probability.
14435 * Makefile.in: Add rules for predict.o.
14437 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
14439 * fixincludes (va_list): Use __not_va_list__ for the dummy.
14440 * fixinc/*: Likewise.
14442 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14444 * cccp.c: PROTO -> PARAMS.
14445 * cexp.y: Likewise.
14446 * collect2.c: Likewise.
14447 * combine.c: Likewise.
14448 * convert.h: Likewise.
14450 * dbxout.c: Likewise.
14451 * dbxout.h: Likewise.
14452 * diagnostic.c: Likewise.
14453 * doprint.c: Likewise.
14454 * dwarf2out.c: Likewise.
14455 * dwarf2out.h: Likewise.
14456 * dwarfout.c: Likewise.
14457 * dwarfout.h: Likewise.
14458 * dyn-string.h: Likewise.
14460 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14462 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
14463 macro conditionals guarding use.
14465 * dwarf2out.c: Include "tm_p.h".
14467 * function.c (locate_and_pad_parm): Mark parameter with
14469 (expand_function_end): Likewise for variable `context'.
14471 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
14473 2000-01-13 Nick Clifton <nickc@cygnus.com>
14475 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
14476 register to prevent compile time warnings.
14478 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
14480 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
14481 to avoid -Wtraditional warning.
14483 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14485 * 1750a-protos.h: New file.
14487 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
14490 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
14493 * 1750a.md: Likewise.
14495 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14497 * a29k-protos.h: New file.
14499 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
14502 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
14505 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14507 * clipper-protos.h: New file.
14509 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
14512 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
14515 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
14517 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
14519 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
14521 * configure.in (--enable-new-gxx-abi): New option.
14522 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
14523 * Makefile.in (GXX_ABI_FLAG): New variable.
14524 * configure: Regenerate.
14526 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14528 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
14529 * tm.texi (FORCE_STRUCT_BLK): Document.
14530 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
14532 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
14534 * config/ns32k/ns32k.md: Revert Jan 9 change.
14536 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
14537 to a mode-test, if the predicate is address_operand.
14539 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
14541 * combine.c (if_then_else_cond): Be careful about what kinds
14542 of RTL expressions are passed to operand_subword.
14544 * flow.c (split_edge): If we have to insert a new jump, make
14545 sure to associate it with a basic block.
14547 * flow.c (commit_one_edge_insertion): A block with one successor
14548 can end in a JUMP_INSN that is not a simplejump.
14550 2000-01-12 Robert Lipe <robertl@sco.com>
14552 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
14553 (BUILD_VA_LIST_TYPE): Define.
14554 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
14557 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
14559 * cccp.c (do_pragma): Add cast to (char *).
14561 2000-01-12 Richard Henderson <rth@cygnus.com>
14562 Fred Fish <fnf@be.com>
14563 Jason Merrill <jason@cygnus.com>
14565 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
14566 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
14567 * i386/beos-elf.h, i386/beos-pe.h: New files.
14569 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
14570 * cross-make (SYSTEM_HEADER_DIR): Define using
14571 CROSS_SYSTEM_HEADER_DIR.
14573 * gcc.c (LIBRARY_PATH_ENV): Provide default.
14574 (process_command): Use it.
14575 (main): Likewise. Kill trailing = from env vars.
14576 (build_search_list): Put it back.
14577 * collect2.c (main): Use LIBRARY_PATH_ENV.
14579 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
14580 * toplev.c: Use NEED_DECLARATION_ENVIRON.
14582 * tm.texi (Frame Layout): Document SMALL_STACK.
14583 * c-common.c (c_common_nodes_and_builtins): Check it.
14585 * system.h: Undef alloca after including glibc's <stdlib.h>,
14586 if USE_C_ALLOCA is defined.
14588 * gcc.c (set_input): New fn.
14589 (main): After all input files are compiled, reset the input file
14592 * aclocal.m4 (rindex, index): If already defined, don't attempt
14595 * ginclude/varargs.h: (__va_list__): Define ifndef.
14596 * ginclude/stdarg.h: Likewise.
14598 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
14599 instead of unsigned char.
14601 * hash.h (true, false, boolean): Undef before enum.
14603 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
14604 proper type of "HOST_WIDE_INT *", rather than their natural type of
14605 "unsigned HOST_WIDE_INT *".
14607 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14609 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
14611 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
14613 * regclass.c (choose_hard_reg_mode): Likewise.
14615 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
14617 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
14619 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14621 * c-common.c: PROTO -> PARAMS.
14622 * c-common.h: Likewise.
14623 * c-decl.c: Likewise.
14624 * c-iterate.c: Likewise.
14625 * c-lang.c: Likewise.
14626 * c-lex.c: Likewise.
14627 * c-lex.h: Likewise.
14628 * c-parse.in: Likewise.
14629 * c-pragma.c: Likewise.
14630 * c-pragma.h: Likewise.
14631 * c-tree.h: Likewise.
14632 * c-typeck.c: Likewise.
14633 * objc/objc-act.c: Likewise.
14634 * objc/objc-act.h: Likewise.
14636 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14638 * m88k-protos.h: New file.
14640 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
14643 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
14645 * m88k.md: Likewise.
14647 * tekXD88.h: Likewise.
14649 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14651 * m68k-protos.h: New file.
14653 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
14656 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
14658 * mot3300.h: Likewise.
14660 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
14662 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
14664 (extract_bitlist): Declare bitlen.
14666 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
14668 * cccp.c: Accept and ignore -lang-fortran.
14670 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
14671 qualifiers don't match at any level of pointerness.
14673 2000-01-12 Robert Lipe <robertl@sco.com>
14675 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
14677 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
14679 * reload1.c (reload_reg_unavailable): New static variable.
14680 (reload_reg_free_p): Test it.
14681 (reload_reg_free_for_value_p): Test it instead of
14683 (choose_reload_regs_init): Compute it.
14685 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
14687 * reorg.c (fill_slots_from_thread): Check modified_in_p
14690 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
14692 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
14693 these nodes even if INTERNALS is not set.
14695 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
14697 * gcse.c (delete_null_pointer_checks_1): Cope when
14698 get_condition cannot determine the condition.
14700 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
14702 * toplev.h (set_message_length): Declare.
14704 * diagnostic.c (obstack_chunk_alloc): Define macro.
14705 (obstack_chunk_free): Likewise.
14706 (struct output_buffer): New data structure.
14707 (vmessage): Remove.
14708 (output_maximum_width): New variable.
14709 (doing_line_wrapping, set_message_length, init_output_buffer,
14710 get_output_prefix, output_space_left, emit_output_prefix,
14711 output_newline, output_append, output_puts, dump_output,
14712 vbuild_message_string, build_message_string, build_location_prefix,
14713 voutput_notice, output_printf, line_wrapper_printf,
14714 vline_wrapper_message_with_location): New functions. Implement
14715 automatic line wrapping.
14716 (v_message_with_decl): Make it handle automatic line wrapping.
14717 (v_error_with_file_and_line): Likewise.
14718 (v_warning_with_file_and_line): Likewise.
14719 (announce_function): Likewise.
14720 (default_print_error_function): Likewise.
14722 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
14724 * cpplib.h (struct cpp_options): Change lang_asm to char.
14726 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
14727 done in cpp_handle_option now.
14728 (initialize_builtins): Take out special case code used only by
14730 (cpp_handle_option): Turn off trigraphs and trigraph warnings
14731 if -traditional. Recognize -lang-fortran and set
14732 lang_fortran, also turn off cplusplus_comments.
14733 (print_help): Document -lang-fortran.
14734 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
14735 lang_asm. Ignore all directives other than `# 123 "file"' if
14737 (cpp_get_token): If -traditional, don't recognize directives
14738 unless the # is in column 1.
14739 (parse_string): If lang_fortran or lang_asm, silently
14740 terminate strings ('' or "") at end of line.
14741 Remove unnecessary braces.
14743 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14744 Richard Henderson <rth@cygnus.com>
14746 * resource.c (mark_referenced_resources): Mark a set strict_low_part
14748 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
14749 strict_low_part when possible.
14751 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14753 * alias.c: PROTO -> PARAMS.
14754 * basic-block.h: Likewise.
14755 * bitmap.c: Likewise.
14756 * bitmap.h: Likewise.
14757 * builtins.c: Likewise.
14758 * c-aux-info.c: Likewise.
14759 * caller-save.c: Likewise.
14760 * calls.c: Likewise.
14762 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14764 * Makefile.in (toplev.o): Depend on regs.h.
14766 * output.h (tdesc_section): Prototype.
14768 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
14770 * sdbout.c: Include "tm_p.h".
14772 * toplev.c: Include "regs.h".
14774 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
14776 * unroll.c (unroll_loop): Add EH support.
14778 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14780 * pa-protos.h: New file.
14782 * pa.c: Include recog.h and tm_p.h.
14783 (compute_zdepwi_operands, compute_movstrsi_length,
14784 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
14785 find_addr_reg, import_milli): Add static prototypes.
14786 (pa_cpu_string, pa_arch_string): Constify a char*.
14787 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
14788 (read_only_operand): Add argument `mode'.
14789 (singlemove_string, output_move_double, output_fp_move_double,
14790 output_block_move, output_and, output_ior, output_ascii,
14791 remove_useless_addtr_insns, milli_names, output_mul_insn,
14792 output_div_insn, output_mod_insn, output_arg_descriptor,
14793 output_cbranch, output_bb, output_bvb, output_dbra, ,
14794 output_millicode_call, output_call, hppa_encode_label,
14795 output_parallel_movb, output_parallel_addb): Constify a char*.
14796 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
14797 (output_parallel_addb): Remove extra arg to `constrain_operands'
14799 * pa.h: Move all prototypes to pa-protos.h.
14800 (pa_cpu_string, pa_arch_string): Constify a char*.
14801 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
14803 * pa.md: Call `function_label_operand' with mode argument.
14804 Likewise for `read_only_operand'.
14805 Fix nesting of parens in call to `symbolic_operand'.
14807 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14809 * i860-protos.h: New file.
14811 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
14814 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
14816 * i860.md: Likewise.
14818 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
14820 * i386.md (movstrsi expander): Rewrite.
14821 (movstrsi_1 insn): Deleted.
14822 (strmovhi, strmovqi expander): New expanders.
14823 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
14824 * i386.c (x86_single_stringop): New global variable.
14825 * i386.h (x86_single_stringop): Declare.
14826 (TARGET_SINGLE_STRINGOP): New macro.
14828 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14830 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
14831 integer vararg POSTINCREMENT before the destination of the jump
14832 for the hard fp case.
14833 (function_arg_pass_by_reference): Pass a copy of CUM to
14836 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
14837 for CONSTANT_ADDRESS_P above while loop for subreg.
14839 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
14841 * flow.c (propagate_block): When a prologue/epilogue insn
14842 is marked dead, unconditionally clear libcall_is_dead and
14843 insn_is_dead, and only dump rtl if warnings aren't being
14846 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
14848 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
14849 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
14850 (FIXED_REGISTERS): Set dirflag as fixed.
14851 (CALL_USED_REGISTERS): Set dirflag as used.
14852 (REG_ALLOC_ORDER): Set dirflag as last one.
14853 (DIRFLAG_REG): New macro.
14854 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
14855 (HI_REGISTER_NAMES): Add dirflag.
14856 (DEBUF_PRINT_REG): Handle dirflag.
14857 * i386.md (type attribute): New cld and str types.
14858 (length_opcode attribute): Set cld and str to 1.
14859 (memory attribute): Set str to unknown - it is not clear from the
14861 (pent_np function unit): Prefixed string operations takes 12 cycles
14862 minimally; cld takes 2 cycles.
14863 (ppro_uops attribute): Str is "many" and cld is "few".
14864 (ppro_p0 unit): Handle cld here.
14865 (k6_alux unit): Handle cld and str types.
14866 (k6_load unit): It is ocupied by str opcodes.
14867 (k6_store unit): It is ocupied by str opcodes.
14868 (athlon_decode): Str is vector decoded.
14869 (athlon_ieu): Handle str and cld.
14870 (cld pattern): New.
14871 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
14872 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
14873 cmpstrsi_nz_1 insn): Do not output cld instruction
14875 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
14877 * gcc.texi (G++ and GCC): Add Java and Chill.
14878 (Bug Critera): Don't list languages.
14880 * gcc.texi (Incompatibilities): No longer claim most C compilers
14883 * gcc.texi (G++ and GCC): Update other front-ends list.
14885 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
14887 * i386.c (ix86_expand_setcc): Fix typo.
14888 (ix86_expand_movcc): Similarly.
14890 * Band-aid until haifa's bitset implementation is nuked.
14891 * haifa-sched.c (extract_bitlst): New parameter for size of the
14892 bitset in bits. All callers changed. Avoid looking at undefined
14893 bits in the bitset.
14894 (edgeset_bitsize): New variable.
14895 (schedule_region): Initialize edgeset_bitsize.
14897 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14899 * Makefile.in (optabs.o): Depend on real.h
14900 (resource.o): Depend on insn-attr.h
14902 * builtins.c (result_vector): Wrap prototype in macro conditions
14903 governing definition and use.
14905 * c-common.c: Include tm_p.h.
14907 * c-lex.c: Likewise.
14909 * elfos.h: Constify a char*.
14911 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
14912 (get_attr_length, shorten_branches, profile_after_prologue): Mark
14913 parameter with ATTRIBUTE_UNUSED.
14915 * fold-const.c (exact_real_inverse): Wrap variable `i' in
14918 * haifa-sched.c (schedule_insns): Mark parameter with
14921 * optabs.c: Include real.h.
14923 * real.h (ereal_atof): Add prototype arguments.
14925 * resource.c: Include insn-attr.h.
14927 * sdbout.c (sdbout_queue_anonymous_type,
14928 sdbout_dequeue_anonymous_types): Wrap in macro
14929 SDB_ALLOW_FORWARD_REFERENCES.
14930 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
14933 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
14935 * stupid.c: Include tm_p.h.
14937 * tree.c (real_value_from_int_cst): Mark parameter with
14940 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14942 * i960-protos.h: New file.
14944 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
14947 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
14949 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14951 * combine.c (expand_field_assignment): Do not discard SUBREGs
14952 while computing nonzero_bits.
14954 2000-01-09 Nick Clifton <nickc@cygnus.com>
14956 * config/arm/arm.c: Fix compile time warnings about signed vs
14957 unsigned constants.
14958 * config/arm/arm.h: Fix compile time warnings about signed vs
14959 unsigned constants.
14961 2000-01-09 Philip Blundell <philb@gnu.org>
14963 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
14964 than `ldm' with only one register.
14965 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
14968 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
14971 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
14973 * config/ns32k/ns32k.md (load or push effective address): Operand 1
14976 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14978 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
14979 assignment used as truth value.
14981 * function.c (assign_temp): Mark parameter `dont_promote' with
14982 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
14983 PROMOTE_FOR_CALL_ONLY.
14985 * genrecog.c (write_subroutine): Mark variable `operands' with
14988 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
14991 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
14992 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
14994 * toplev.c (note_deferral_of_defined_inline_function): Likewise
14997 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14999 * config/c4x.h: Tidy up comments.
15000 * config/c4x.c: Likewise.
15002 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
15004 * fold-const.c (lshift_double, rshift_double): Handle
15005 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
15007 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15009 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
15010 in prepare_function_start().
15012 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
15014 * config/v850/v850.c (expand_epilogue): Interrupt functions no
15015 longer allocate extra stack for function calls.
15017 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15019 * config/c4x/c4x.md (*subqf3_set): Fix typo.
15021 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15023 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
15025 2000-01-07 David Edelsohn <edelsohn@gnu.org>
15027 * rs6000.c (processor_target_table): Add power3 as alias for 630.
15028 * aix43.h: Revert Aug 2 change.
15029 (HAS_INIT_SECTION): Define, not visible yet.
15030 (LD_INIT_SWITCH): Define, not visible yet.
15031 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
15033 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
15035 * collect2.c (main): Expand ld2 size further.
15036 (export_object_lst): Cast assignment to avoid warning.
15037 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
15038 (scan_prog_file, COFF): Do not collect initialization or
15039 finalization functions generated for entire shared object if
15040 init/fini support present.
15042 2000-01-07 Nick Clifton <nickc@cygnus.com>
15044 * config/elfos.h: Tidy up formatting of marcos. Make sure
15045 that .section directives are always prefixed by a tab.
15047 * config/svr4.h: Add #include "elfos.h" and remove duplicate
15050 2000-01-07 Matt Austern <austern@sgi.com>
15052 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
15055 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
15057 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
15059 (crtbegin.o, s-crtS): Likewise.
15061 2000-01-06 Richard Henderson <rth@cygnus.com>
15063 * alpha.md (adddi_2+1): Limit offset such that it will be
15064 loadable with a single ldah+lda pair.
15065 (adddi_2+2): Explicitly fail split if we can't make it work.
15067 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
15069 * protoize.c: Conditionally include unistd.h.
15070 (IS_SAME_PATH_CHAR): New macro.
15071 (IS_SAME_PATH): New macro.
15072 (CPLUS_FILE_SUFFIX): New macro.
15073 (cplus_suffix): New static variable.
15074 (is_abspath): New static function.
15075 (in_system_include_dir): Handle DOS style pathnames.
15076 (file_could_be_converted): Likewise.
15077 (file_normally_convertible): Likewise.
15078 (directory_specified_p): Likewise.
15079 (file_excluded_p): Likewise.
15080 (abspath): Likewise.
15081 (shortpath): Likewise.
15082 (referenced_file_is_newer): Likewise.
15083 (save_def_or_dec): Likewise.
15084 (do_processing): Likewise.
15086 (edit_file): Likewise. Use rename instead of link.
15087 (rename_c_file): Likewise. Don't rename syscalls file.
15088 (munge_compile_params): Define null device for DOS based systems.
15089 (process_aux_info_file): Use binary mode if appliable.
15090 (edit_file): Likewise.
15091 * invoke.texi (Running Protoize): Document C++ suffixes used.
15093 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
15094 IS_DIR_SEPARATOR macros.
15095 * collect2.c: Likewise.
15096 * cppinit.c: Likewise.
15097 * dwarf2out.c: Likewise.
15099 * gcov.c: Likewise.
15100 * prefix.c: Likewise.
15102 * toplev.c: Likewise.
15103 * system.h: And move to here.
15105 * prefix.c (update_path): Fix typo in variable name.
15107 2000-01-06 Richard Henderson <rth@cygnus.com>
15109 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
15110 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
15111 (count_reg_sets_1, count_reg_references): Likewise.
15112 (flow_loops_level_compute): Start counting actual loop depth at 1.
15113 (flow_loops_find): Likewise.
15114 * local-alloc.c (update_equiv_regs): Likewise.
15115 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
15117 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
15119 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
15120 FIRST_PSEUDO_REGISTER
15121 * dwarf2out.c: Don't include frame.h
15122 * dwarfout.c: Likewise
15123 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
15126 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
15128 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15131 * i386.c (movsf splitter): Fix typo in my last checkin.
15133 2000-01-05 Nick Clifton <nickc@cygnus.com>
15135 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
15136 own definition of this macro.
15137 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
15138 flag_data_sections or UNIQUE_SECTION_P are true.
15140 * tm.texi (UNIQUE_SECTION): Document that it can be called for
15141 unitialised data decls.
15143 * config/i386/winnt.c (i386_pe_unique_section): Cope with
15144 being called for uninitialised data.
15146 * config/i386/interix.c (i386_pe_unique_section): Cope with
15147 being called for uninitialised data.
15149 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
15150 for uninitialised data.
15152 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
15153 for uninitialised data.
15155 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
15156 for uninitialised data.
15158 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
15159 (UNIQUE_SECTION_P): Always generate a unique section if
15160 flag_data_sections is true.
15161 (UNIQUE_SECTION): Also generate unique sections for
15162 uninitialised data.
15163 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
15164 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
15167 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15169 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
15172 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15174 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
15175 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
15176 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
15177 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
15178 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
15180 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
15182 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
15184 * c-decl.c (finish_enum): Simplify code to determine minimum and
15185 maximum values of the enum, and calculate the type. Remove check
15186 for FUNCTION_DECLs in the values list, which cannot happen. Replace
15187 the DECL_INITIAL of each enumeration constant with a copy converted
15188 to the enumeration type. When updating variant types, don't bother
15189 updating the type itself.
15191 * c-typeck.c (build_binary_op): Simplify conditional expressions
15192 when weeding out spurious signed-unsigned warnings. Add new
15193 spurious warning category: if the unsigned quantity is an enum
15194 and its maximum value fits in signed_type(result_type). Update
15196 (build_conditional_expr): Warn here if one alternative is signed
15197 and the other is unsigned.
15199 2000-01-05 Nick Clifton <nickc@cygnus.com>
15201 * config/fr30/fr30.h: Remove extraneous comments.
15203 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
15205 * reload1.c (choose_reload_regs): When disabling a reload, also
15206 set reload_spill_index to -1.
15208 2000-01-04 Joel Sherrill (joel@OARcorp.com>
15210 * configure.in (m68*-*-rtemscoff*): New target, formal name for
15212 (m68*-*-rtemself*): New target.
15213 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
15214 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
15215 (sparc*-*-rtemself*): New target.
15216 (sparc*-*-rtems*): Now elf not a.out.
15217 * config/i386/rtems.h: Include config/rtems.h.
15218 * config/i386/rtemself.h: Include config/rtems.h.
15219 * config/i960/rtems.h: Include config/rtems.h.
15220 * config/m68k/rtems.h: Include config/rtems.h.
15221 * config/m68k/rtemself.h: Include config/rtems.h.
15222 * config/mips/rtems64.h: Include config/rtems.h.
15223 * config/pa/rtems.h: Include config/rtems.h.
15224 * config/rs6000/rtems.h: Include config/rtems.h.
15225 * config/sh/rtems.h: Include config/rtems.h.
15226 * config/sh/rtemself.h: Include config/rtems.h.
15227 * config/sparc/rtems.h: Include config/rtems.h.
15228 * config/sparc/rtemself.h: Include config/rtems.h
15230 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
15232 * final.c (shorten_branches): Correctly compute length of
15233 asms without operands.
15235 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
15237 * configure.in: Add pj target.
15238 * configure: Regenerate.
15239 * config/pj: New directory.
15240 * config/pj/lib1funcs.S: New file.
15241 * config/pj/linux.h: New file.
15242 * config/pj/pj.c: New file.
15243 * config/pj/pj.md: New file.
15244 * config/pj/pjl.h: New file.
15245 * config/pj/t-pj: New file.
15246 * config/pj/xm-pj.h: New file
15248 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
15250 * toplev.c (rest_of_compilation): Run shorten-branches before
15253 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15255 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
15256 macros so that they're consistent with their names.
15257 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15258 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
15260 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15262 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
15263 modified inadvertently.
15265 2000-01-04 Joel Sherrill <joel@OARcorp.com>
15267 * configure.in (v850*-*-rtems*): New target.
15268 * configure: Regenerate.
15269 * config/v850/rtems.h: New file.
15271 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
15273 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
15274 (__gthread_key_create): Likewise.
15275 (__gthread_key_dtor): Likewise.
15276 (__gthread_once): Fix logic.
15277 (__gthread_key_delete): Cast away constness.
15279 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
15280 * invoke.texi: Document.
15281 * i386/mingw32.h (CPP_SPEC): Use.
15282 (LIBGCC_SPEC): Likewise.
15283 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
15285 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15287 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
15288 (HANDLE_PRAGMA_PACK): Undefine.
15289 (SLOW_UNALIGNED_ACCESS): Define.
15291 2000-01-04 David Edelsohn <edelsohn@gnu.org>
15293 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15294 to default definition.
15295 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
15296 (store_fixed_bit_field): Call macro with word_mode and alignment.
15297 (extract_bit_field): Call macro with relevant mode and alignment.
15298 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
15299 to default definition.
15300 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
15302 (move_by_pieces_ninsns): Likewise.
15303 (clear_by_pieces): Likewise.
15304 (emit_push_insn): Likewise.
15305 (store_field): Call macro with relevant mode and alignment.
15306 (expand_expr): Likewise.
15307 (expand_expr_unaligned): Likewise.
15309 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
15310 (SLOW_UNALIGNED_ACCESS): Define.
15311 (CASE_VECTOR_MODE): Always use 32-bit offsets.
15312 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
15313 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
15314 (toc_section): Likewise and .toc pseudo-op.
15315 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
15317 (TEXT_SECTION_ASM_OP): Likewise.
15318 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
15321 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
15322 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
15323 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
15324 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
15325 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
15327 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
15329 * regclass.c: Revert my Jan 4 change to loop cost computation.
15331 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15333 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
15336 2000-01-04 Stan Cox <scox@cygnus.com>
15338 * haifa-sched.c (build_control_flow): Change unreachable simple
15339 loop test to check if current block has only one predecessor.
15340 (find_rgns): Initialize degree. Use dest as degree index, not src.
15342 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15344 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
15346 * calls.c (expand_call): Likewise for
15347 `old_stack_arg_under_construction'.
15349 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
15351 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
15354 * gcc.c (execute): Likewise for `ut' and `st'.
15356 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
15358 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
15360 * jump.c (jump_optimize_1): Likewise for `temp2'.
15362 * local-alloc.c (block_alloc): Likewise for `r1'.
15364 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
15366 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
15367 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
15369 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
15372 * reload.c (find_reloads): Likewise for `goal_alternative_number'
15373 and `goal_earlyclobber'.
15375 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
15377 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
15379 * stupid.c (stupid_life_analysis): Likewise for `chain'.
15381 * unroll.c (copy_loop_body): Likewise for `copy'.
15383 * varasm.c (output_constructor): Likewise for `byte'.
15385 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15387 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
15388 all FP constants for constant->reg moves.
15389 (ix86_split_to_parts): Try to convert memory address into immediate
15390 when available in the constant pool.
15391 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
15393 (LEGITIMATE_CONSTANT_P): Return 1.
15394 * i386.md (pushsf): New splitter to convert constant pool memory
15395 reference to immediate.
15396 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
15399 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
15401 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
15402 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
15403 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
15404 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
15405 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
15407 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
15409 * ginclude/stdbool.h: Support compilation as C++.
15411 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15413 * fold-const.c (make_range): Don't try to reverse an unbounded range.
15415 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
15417 * regclass.c (regclass): Properly compute loop_cost. Adjust
15420 * regclass.c: Fix minor whitespace problems.
15422 2000-01-03 Anthony Green <green@cygnus.com>
15424 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
15425 Restore the pic register if required.
15427 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
15429 * c-common.c (format_char_info): Update comment.
15430 (check_format_info): Recognize 'z' modifier in the same way 'Z'
15431 was recognized. Emit warning for formats new in ISO C99 only
15432 if flag_isoc9x is not set.
15434 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
15436 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
15438 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15440 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
15441 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
15442 (make_compound_operation): Choose cheaper alternative between
15443 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
15445 * regclass.c (op_costs): Remove global variable.
15446 (record_reg_classes): New parameter "op_costs" and "reg_pref".
15447 (record_operand_costs): Break out from ...
15448 (scan_one_insn): ... here.
15449 (dump_regclass): Make dumps nicer.
15450 (regclass): Dump preferrences choosed and changes done during passes.
15452 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15454 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
15456 2000-01-03 Jakub Jelinek <jakub@redhat.com>
15458 * config/sparc/sparc.c (gen_df_reg): New function.
15459 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
15460 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
15461 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
15462 movtf_cc_reg_sp64+1): Use it.
15464 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15466 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
15467 copied LABEL_DECLs.
15469 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
15471 * config/i386/i386.c (ix86_expand_unary_operator): Function
15472 definition made void.
15473 (ix86_expand_binary_operator): Update outdated preceding comment.
15474 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
15477 * config/i386/i386.c (override_options): Fix option-name typo.
15479 2000-01-02 Mark Mitchell <mark@codesourcery.com>
15481 * system.h (CEIL): Define.
15482 * builtins.c (CEIL): Remove.
15483 * expmed.c (CEIL): Likewise.
15484 * expr.c (CEIL): Likewise.
15485 * stor-layout.c (CEIL): Likewise.
15487 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
15489 * expr.c (store_constructor_field): Fix typo introduced with last
15492 2000-01-01 Mark Mitchell <mark@codesourcery.com>
15494 * tree.h (BINFO_N_BASETYPES): New macro.
15496 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
15498 * expmed.c (emit_store_flag): Prevent losing a pending stack
15499 adjust the same way we prevent losing queued increments.
15501 See ChangeLog.2 for earlier changes.